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spi-topcliff-pch: supports a spi mode setup and bit order setup by IO control
[zen-stable.git] / drivers / net / ethernet / realtek / r8169.c
blobbbacb3741ec029e3c4fbc9f74c616955f56e4fc8
1 /*
2 * r8169.c: RealTek 8169/8168/8101 ethernet driver.
3 *
4 * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
5 * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
6 * Copyright (c) a lot of people too. Please respect their work.
7 *
8 * See MAINTAINERS file for support contact information.
9 */
10
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/pci.h>
14 #include <linux/netdevice.h>
15 #include <linux/etherdevice.h>
16 #include <linux/delay.h>
17 #include <linux/ethtool.h>
18 #include <linux/mii.h>
19 #include <linux/if_vlan.h>
20 #include <linux/crc32.h>
21 #include <linux/in.h>
22 #include <linux/ip.h>
23 #include <linux/tcp.h>
24 #include <linux/init.h>
25 #include <linux/interrupt.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/pm_runtime.h>
28 #include <linux/firmware.h>
29 #include <linux/pci-aspm.h>
30 #include <linux/prefetch.h>
31
32 #include <asm/system.h>
33 #include <asm/io.h>
34 #include <asm/irq.h>
35
36 #define RTL8169_VERSION "2.3LK-NAPI"
37 #define MODULENAME "r8169"
38 #define PFX MODULENAME ": "
39
40 #define FIRMWARE_8168D_1 "rtl_nic/rtl8168d-1.fw"
41 #define FIRMWARE_8168D_2 "rtl_nic/rtl8168d-2.fw"
42 #define FIRMWARE_8168E_1 "rtl_nic/rtl8168e-1.fw"
43 #define FIRMWARE_8168E_2 "rtl_nic/rtl8168e-2.fw"
44 #define FIRMWARE_8168E_3 "rtl_nic/rtl8168e-3.fw"
45 #define FIRMWARE_8168F_1 "rtl_nic/rtl8168f-1.fw"
46 #define FIRMWARE_8168F_2 "rtl_nic/rtl8168f-2.fw"
47 #define FIRMWARE_8105E_1 "rtl_nic/rtl8105e-1.fw"
48
49 #ifdef RTL8169_DEBUG
50 #define assert(expr) \
51 if (!(expr)) { \
52 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
53 #expr,__FILE__,__func__,__LINE__); \
54 }
55 #define dprintk(fmt, args...) \
56 do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
57 #else
58 #define assert(expr) do {} while (0)
59 #define dprintk(fmt, args...) do {} while (0)
60 #endif /* RTL8169_DEBUG */
61
62 #define R8169_MSG_DEFAULT \
63 (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
64
65 #define TX_BUFFS_AVAIL(tp) \
66 (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
67
68 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
69 The RTL chips use a 64 element hash table based on the Ethernet CRC. */
70 static const int multicast_filter_limit = 32;
71
72 #define MAX_READ_REQUEST_SHIFT 12
73 #define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
74 #define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */
75 #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
76
77 #define R8169_REGS_SIZE 256
78 #define R8169_NAPI_WEIGHT 64
79 #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */
80 #define NUM_RX_DESC 256 /* Number of Rx descriptor registers */
81 #define RX_BUF_SIZE 1536 /* Rx Buffer size */
82 #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
83 #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
84
85 #define RTL8169_TX_TIMEOUT (6*HZ)
86 #define RTL8169_PHY_TIMEOUT (10*HZ)
87
88 #define RTL_EEPROM_SIG cpu_to_le32(0x8129)
89 #define RTL_EEPROM_SIG_MASK cpu_to_le32(0xffff)
90 #define RTL_EEPROM_SIG_ADDR 0x0000
91
92 /* write/read MMIO register */
93 #define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
94 #define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
95 #define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
96 #define RTL_R8(reg) readb (ioaddr + (reg))
97 #define RTL_R16(reg) readw (ioaddr + (reg))
98 #define RTL_R32(reg) readl (ioaddr + (reg))
99
100 enum mac_version {
101 RTL_GIGA_MAC_VER_01 = 0,
102 RTL_GIGA_MAC_VER_02,
103 RTL_GIGA_MAC_VER_03,
104 RTL_GIGA_MAC_VER_04,
105 RTL_GIGA_MAC_VER_05,
106 RTL_GIGA_MAC_VER_06,
107 RTL_GIGA_MAC_VER_07,
108 RTL_GIGA_MAC_VER_08,
109 RTL_GIGA_MAC_VER_09,
110 RTL_GIGA_MAC_VER_10,
111 RTL_GIGA_MAC_VER_11,
112 RTL_GIGA_MAC_VER_12,
113 RTL_GIGA_MAC_VER_13,
114 RTL_GIGA_MAC_VER_14,
115 RTL_GIGA_MAC_VER_15,
116 RTL_GIGA_MAC_VER_16,
117 RTL_GIGA_MAC_VER_17,
118 RTL_GIGA_MAC_VER_18,
119 RTL_GIGA_MAC_VER_19,
120 RTL_GIGA_MAC_VER_20,
121 RTL_GIGA_MAC_VER_21,
122 RTL_GIGA_MAC_VER_22,
123 RTL_GIGA_MAC_VER_23,
124 RTL_GIGA_MAC_VER_24,
125 RTL_GIGA_MAC_VER_25,
126 RTL_GIGA_MAC_VER_26,
127 RTL_GIGA_MAC_VER_27,
128 RTL_GIGA_MAC_VER_28,
129 RTL_GIGA_MAC_VER_29,
130 RTL_GIGA_MAC_VER_30,
131 RTL_GIGA_MAC_VER_31,
132 RTL_GIGA_MAC_VER_32,
133 RTL_GIGA_MAC_VER_33,
134 RTL_GIGA_MAC_VER_34,
135 RTL_GIGA_MAC_VER_35,
136 RTL_GIGA_MAC_VER_36,
137 RTL_GIGA_MAC_NONE = 0xff,
138 };
139
140 enum rtl_tx_desc_version {
141 RTL_TD_0 = 0,
142 RTL_TD_1 = 1,
143 };
144
145 #define JUMBO_1K ETH_DATA_LEN
146 #define JUMBO_4K (4*1024 - ETH_HLEN - 2)
147 #define JUMBO_6K (6*1024 - ETH_HLEN - 2)
148 #define JUMBO_7K (7*1024 - ETH_HLEN - 2)
149 #define JUMBO_9K (9*1024 - ETH_HLEN - 2)
150
151 #define _R(NAME,TD,FW,SZ,B) { \
152 .name = NAME, \
153 .txd_version = TD, \
154 .fw_name = FW, \
155 .jumbo_max = SZ, \
156 .jumbo_tx_csum = B \
157 }
158
159 static const struct {
160 const char *name;
161 enum rtl_tx_desc_version txd_version;
162 const char *fw_name;
163 u16 jumbo_max;
164 bool jumbo_tx_csum;
165 } rtl_chip_infos[] = {
166 /* PCI devices. */
167 [RTL_GIGA_MAC_VER_01] =
168 _R("RTL8169", RTL_TD_0, NULL, JUMBO_7K, true),
169 [RTL_GIGA_MAC_VER_02] =
170 _R("RTL8169s", RTL_TD_0, NULL, JUMBO_7K, true),
171 [RTL_GIGA_MAC_VER_03] =
172 _R("RTL8110s", RTL_TD_0, NULL, JUMBO_7K, true),
173 [RTL_GIGA_MAC_VER_04] =
174 _R("RTL8169sb/8110sb", RTL_TD_0, NULL, JUMBO_7K, true),
175 [RTL_GIGA_MAC_VER_05] =
176 _R("RTL8169sc/8110sc", RTL_TD_0, NULL, JUMBO_7K, true),
177 [RTL_GIGA_MAC_VER_06] =
178 _R("RTL8169sc/8110sc", RTL_TD_0, NULL, JUMBO_7K, true),
179 /* PCI-E devices. */
180 [RTL_GIGA_MAC_VER_07] =
181 _R("RTL8102e", RTL_TD_1, NULL, JUMBO_1K, true),
182 [RTL_GIGA_MAC_VER_08] =
183 _R("RTL8102e", RTL_TD_1, NULL, JUMBO_1K, true),
184 [RTL_GIGA_MAC_VER_09] =
185 _R("RTL8102e", RTL_TD_1, NULL, JUMBO_1K, true),
186 [RTL_GIGA_MAC_VER_10] =
187 _R("RTL8101e", RTL_TD_0, NULL, JUMBO_1K, true),
188 [RTL_GIGA_MAC_VER_11] =
189 _R("RTL8168b/8111b", RTL_TD_0, NULL, JUMBO_4K, false),
190 [RTL_GIGA_MAC_VER_12] =
191 _R("RTL8168b/8111b", RTL_TD_0, NULL, JUMBO_4K, false),
192 [RTL_GIGA_MAC_VER_13] =
193 _R("RTL8101e", RTL_TD_0, NULL, JUMBO_1K, true),
194 [RTL_GIGA_MAC_VER_14] =
195 _R("RTL8100e", RTL_TD_0, NULL, JUMBO_1K, true),
196 [RTL_GIGA_MAC_VER_15] =
197 _R("RTL8100e", RTL_TD_0, NULL, JUMBO_1K, true),
198 [RTL_GIGA_MAC_VER_16] =
199 _R("RTL8101e", RTL_TD_0, NULL, JUMBO_1K, true),
200 [RTL_GIGA_MAC_VER_17] =
201 _R("RTL8168b/8111b", RTL_TD_1, NULL, JUMBO_4K, false),
202 [RTL_GIGA_MAC_VER_18] =
203 _R("RTL8168cp/8111cp", RTL_TD_1, NULL, JUMBO_6K, false),
204 [RTL_GIGA_MAC_VER_19] =
205 _R("RTL8168c/8111c", RTL_TD_1, NULL, JUMBO_6K, false),
206 [RTL_GIGA_MAC_VER_20] =
207 _R("RTL8168c/8111c", RTL_TD_1, NULL, JUMBO_6K, false),
208 [RTL_GIGA_MAC_VER_21] =
209 _R("RTL8168c/8111c", RTL_TD_1, NULL, JUMBO_6K, false),
210 [RTL_GIGA_MAC_VER_22] =
211 _R("RTL8168c/8111c", RTL_TD_1, NULL, JUMBO_6K, false),
212 [RTL_GIGA_MAC_VER_23] =
213 _R("RTL8168cp/8111cp", RTL_TD_1, NULL, JUMBO_6K, false),
214 [RTL_GIGA_MAC_VER_24] =
215 _R("RTL8168cp/8111cp", RTL_TD_1, NULL, JUMBO_6K, false),
216 [RTL_GIGA_MAC_VER_25] =
217 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_1,
218 JUMBO_9K, false),
219 [RTL_GIGA_MAC_VER_26] =
220 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_2,
221 JUMBO_9K, false),
222 [RTL_GIGA_MAC_VER_27] =
223 _R("RTL8168dp/8111dp", RTL_TD_1, NULL, JUMBO_9K, false),
224 [RTL_GIGA_MAC_VER_28] =
225 _R("RTL8168dp/8111dp", RTL_TD_1, NULL, JUMBO_9K, false),
226 [RTL_GIGA_MAC_VER_29] =
227 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1,
228 JUMBO_1K, true),
229 [RTL_GIGA_MAC_VER_30] =
230 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1,
231 JUMBO_1K, true),
232 [RTL_GIGA_MAC_VER_31] =
233 _R("RTL8168dp/8111dp", RTL_TD_1, NULL, JUMBO_9K, false),
234 [RTL_GIGA_MAC_VER_32] =
235 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_1,
236 JUMBO_9K, false),
237 [RTL_GIGA_MAC_VER_33] =
238 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_2,
239 JUMBO_9K, false),
240 [RTL_GIGA_MAC_VER_34] =
241 _R("RTL8168evl/8111evl",RTL_TD_1, FIRMWARE_8168E_3,
242 JUMBO_9K, false),
243 [RTL_GIGA_MAC_VER_35] =
244 _R("RTL8168f/8111f", RTL_TD_1, FIRMWARE_8168F_1,
245 JUMBO_9K, false),
246 [RTL_GIGA_MAC_VER_36] =
247 _R("RTL8168f/8111f", RTL_TD_1, FIRMWARE_8168F_2,
248 JUMBO_9K, false),
249 };
250 #undef _R
251
252 enum cfg_version {
253 RTL_CFG_0 = 0x00,
254 RTL_CFG_1,
255 RTL_CFG_2
256 };
257
258 static void rtl_hw_start_8169(struct net_device *);
259 static void rtl_hw_start_8168(struct net_device *);
260 static void rtl_hw_start_8101(struct net_device *);
261
262 static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
263 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
264 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
265 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
266 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 },
267 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 },
268 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 },
269 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4302), 0, 0, RTL_CFG_0 },
270 { PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 },
271 { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 },
272 { PCI_VENDOR_ID_LINKSYS, 0x1032,
273 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
274 { 0x0001, 0x8168,
275 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
276 {0,},
277 };
278
279 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
280
281 static int rx_buf_sz = 16383;
282 static int use_dac;
283 static struct {
284 u32 msg_enable;
285 } debug = { -1 };
286
287 enum rtl_registers {
288 MAC0 = 0, /* Ethernet hardware address. */
289 MAC4 = 4,
290 MAR0 = 8, /* Multicast filter. */
291 CounterAddrLow = 0x10,
292 CounterAddrHigh = 0x14,
293 TxDescStartAddrLow = 0x20,
294 TxDescStartAddrHigh = 0x24,
295 TxHDescStartAddrLow = 0x28,
296 TxHDescStartAddrHigh = 0x2c,
297 FLASH = 0x30,
298 ERSR = 0x36,
299 ChipCmd = 0x37,
300 TxPoll = 0x38,
301 IntrMask = 0x3c,
302 IntrStatus = 0x3e,
303
304 TxConfig = 0x40,
305 #define TXCFG_AUTO_FIFO (1 << 7) /* 8111e-vl */
306 #define TXCFG_EMPTY (1 << 11) /* 8111e-vl */
307
308 RxConfig = 0x44,
309 #define RX128_INT_EN (1 << 15) /* 8111c and later */
310 #define RX_MULTI_EN (1 << 14) /* 8111c only */
311 #define RXCFG_FIFO_SHIFT 13
312 /* No threshold before first PCI xfer */
313 #define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT)
314 #define RXCFG_DMA_SHIFT 8
315 /* Unlimited maximum PCI burst. */
316 #define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT)
317
318 RxMissed = 0x4c,
319 Cfg9346 = 0x50,
320 Config0 = 0x51,
321 Config1 = 0x52,
322 Config2 = 0x53,
323 Config3 = 0x54,
324 Config4 = 0x55,
325 Config5 = 0x56,
326 MultiIntr = 0x5c,
327 PHYAR = 0x60,
328 PHYstatus = 0x6c,
329 RxMaxSize = 0xda,
330 CPlusCmd = 0xe0,
331 IntrMitigate = 0xe2,
332 RxDescAddrLow = 0xe4,
333 RxDescAddrHigh = 0xe8,
334 EarlyTxThres = 0xec, /* 8169. Unit of 32 bytes. */
335
336 #define NoEarlyTx 0x3f /* Max value : no early transmit. */
337
338 MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
339
340 #define TxPacketMax (8064 >> 7)
341 #define EarlySize 0x27
342
343 FuncEvent = 0xf0,
344 FuncEventMask = 0xf4,
345 FuncPresetState = 0xf8,
346 FuncForceEvent = 0xfc,
347 };
348
349 enum rtl8110_registers {
350 TBICSR = 0x64,
351 TBI_ANAR = 0x68,
352 TBI_LPAR = 0x6a,
353 };
354
355 enum rtl8168_8101_registers {
356 CSIDR = 0x64,
357 CSIAR = 0x68,
358 #define CSIAR_FLAG 0x80000000
359 #define CSIAR_WRITE_CMD 0x80000000
360 #define CSIAR_BYTE_ENABLE 0x0f
361 #define CSIAR_BYTE_ENABLE_SHIFT 12
362 #define CSIAR_ADDR_MASK 0x0fff
363 PMCH = 0x6f,
364 EPHYAR = 0x80,
365 #define EPHYAR_FLAG 0x80000000
366 #define EPHYAR_WRITE_CMD 0x80000000
367 #define EPHYAR_REG_MASK 0x1f
368 #define EPHYAR_REG_SHIFT 16
369 #define EPHYAR_DATA_MASK 0xffff
370 DLLPR = 0xd0,
371 #define PFM_EN (1 << 6)
372 DBG_REG = 0xd1,
373 #define FIX_NAK_1 (1 << 4)
374 #define FIX_NAK_2 (1 << 3)
375 TWSI = 0xd2,
376 MCU = 0xd3,
377 #define NOW_IS_OOB (1 << 7)
378 #define EN_NDP (1 << 3)
379 #define EN_OOB_RESET (1 << 2)
380 EFUSEAR = 0xdc,
381 #define EFUSEAR_FLAG 0x80000000
382 #define EFUSEAR_WRITE_CMD 0x80000000
383 #define EFUSEAR_READ_CMD 0x00000000
384 #define EFUSEAR_REG_MASK 0x03ff
385 #define EFUSEAR_REG_SHIFT 8
386 #define EFUSEAR_DATA_MASK 0xff
387 };
388
389 enum rtl8168_registers {
390 LED_FREQ = 0x1a,
391 EEE_LED = 0x1b,
392 ERIDR = 0x70,
393 ERIAR = 0x74,
394 #define ERIAR_FLAG 0x80000000
395 #define ERIAR_WRITE_CMD 0x80000000
396 #define ERIAR_READ_CMD 0x00000000
397 #define ERIAR_ADDR_BYTE_ALIGN 4
398 #define ERIAR_TYPE_SHIFT 16
399 #define ERIAR_EXGMAC (0x00 << ERIAR_TYPE_SHIFT)
400 #define ERIAR_MSIX (0x01 << ERIAR_TYPE_SHIFT)
401 #define ERIAR_ASF (0x02 << ERIAR_TYPE_SHIFT)
402 #define ERIAR_MASK_SHIFT 12
403 #define ERIAR_MASK_0001 (0x1 << ERIAR_MASK_SHIFT)
404 #define ERIAR_MASK_0011 (0x3 << ERIAR_MASK_SHIFT)
405 #define ERIAR_MASK_1111 (0xf << ERIAR_MASK_SHIFT)
406 EPHY_RXER_NUM = 0x7c,
407 OCPDR = 0xb0, /* OCP GPHY access */
408 #define OCPDR_WRITE_CMD 0x80000000
409 #define OCPDR_READ_CMD 0x00000000
410 #define OCPDR_REG_MASK 0x7f
411 #define OCPDR_GPHY_REG_SHIFT 16
412 #define OCPDR_DATA_MASK 0xffff
413 OCPAR = 0xb4,
414 #define OCPAR_FLAG 0x80000000
415 #define OCPAR_GPHY_WRITE_CMD 0x8000f060
416 #define OCPAR_GPHY_READ_CMD 0x0000f060
417 RDSAR1 = 0xd0, /* 8168c only. Undocumented on 8168dp */
418 MISC = 0xf0, /* 8168e only. */
419 #define TXPLA_RST (1 << 29)
420 #define PWM_EN (1 << 22)
421 };
422
423 enum rtl_register_content {
424 /* InterruptStatusBits */
425 SYSErr = 0x8000,
426 PCSTimeout = 0x4000,
427 SWInt = 0x0100,
428 TxDescUnavail = 0x0080,
429 RxFIFOOver = 0x0040,
430 LinkChg = 0x0020,
431 RxOverflow = 0x0010,
432 TxErr = 0x0008,
433 TxOK = 0x0004,
434 RxErr = 0x0002,
435 RxOK = 0x0001,
436
437 /* RxStatusDesc */
438 RxBOVF = (1 << 24),
439 RxFOVF = (1 << 23),
440 RxRWT = (1 << 22),
441 RxRES = (1 << 21),
442 RxRUNT = (1 << 20),
443 RxCRC = (1 << 19),
444
445 /* ChipCmdBits */
446 StopReq = 0x80,
447 CmdReset = 0x10,
448 CmdRxEnb = 0x08,
449 CmdTxEnb = 0x04,
450 RxBufEmpty = 0x01,
451
452 /* TXPoll register p.5 */
453 HPQ = 0x80, /* Poll cmd on the high prio queue */
454 NPQ = 0x40, /* Poll cmd on the low prio queue */
455 FSWInt = 0x01, /* Forced software interrupt */
456
457 /* Cfg9346Bits */
458 Cfg9346_Lock = 0x00,
459 Cfg9346_Unlock = 0xc0,
460
461 /* rx_mode_bits */
462 AcceptErr = 0x20,
463 AcceptRunt = 0x10,
464 AcceptBroadcast = 0x08,
465 AcceptMulticast = 0x04,
466 AcceptMyPhys = 0x02,
467 AcceptAllPhys = 0x01,
468 #define RX_CONFIG_ACCEPT_MASK 0x3f
469
470 /* TxConfigBits */
471 TxInterFrameGapShift = 24,
472 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
473
474 /* Config1 register p.24 */
475 LEDS1 = (1 << 7),
476 LEDS0 = (1 << 6),
477 Speed_down = (1 << 4),
478 MEMMAP = (1 << 3),
479 IOMAP = (1 << 2),
480 VPD = (1 << 1),
481 PMEnable = (1 << 0), /* Power Management Enable */
482
483 /* Config2 register p. 25 */
484 MSIEnable = (1 << 5), /* 8169 only. Reserved in the 8168. */
485 PCI_Clock_66MHz = 0x01,
486 PCI_Clock_33MHz = 0x00,
487
488 /* Config3 register p.25 */
489 MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
490 LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */
491 Jumbo_En0 = (1 << 2), /* 8168 only. Reserved in the 8168b */
492 Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */
493
494 /* Config4 register */
495 Jumbo_En1 = (1 << 1), /* 8168 only. Reserved in the 8168b */
496
497 /* Config5 register p.27 */
498 BWF = (1 << 6), /* Accept Broadcast wakeup frame */
499 MWF = (1 << 5), /* Accept Multicast wakeup frame */
500 UWF = (1 << 4), /* Accept Unicast wakeup frame */
501 Spi_en = (1 << 3),
502 LanWake = (1 << 1), /* LanWake enable/disable */
503 PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
504
505 /* TBICSR p.28 */
506 TBIReset = 0x80000000,
507 TBILoopback = 0x40000000,
508 TBINwEnable = 0x20000000,
509 TBINwRestart = 0x10000000,
510 TBILinkOk = 0x02000000,
511 TBINwComplete = 0x01000000,
512
513 /* CPlusCmd p.31 */
514 EnableBist = (1 << 15), // 8168 8101
515 Mac_dbgo_oe = (1 << 14), // 8168 8101
516 Normal_mode = (1 << 13), // unused
517 Force_half_dup = (1 << 12), // 8168 8101
518 Force_rxflow_en = (1 << 11), // 8168 8101
519 Force_txflow_en = (1 << 10), // 8168 8101
520 Cxpl_dbg_sel = (1 << 9), // 8168 8101
521 ASF = (1 << 8), // 8168 8101
522 PktCntrDisable = (1 << 7), // 8168 8101
523 Mac_dbgo_sel = 0x001c, // 8168
524 RxVlan = (1 << 6),
525 RxChkSum = (1 << 5),
526 PCIDAC = (1 << 4),
527 PCIMulRW = (1 << 3),
528 INTT_0 = 0x0000, // 8168
529 INTT_1 = 0x0001, // 8168
530 INTT_2 = 0x0002, // 8168
531 INTT_3 = 0x0003, // 8168
532
533 /* rtl8169_PHYstatus */
534 TBI_Enable = 0x80,
535 TxFlowCtrl = 0x40,
536 RxFlowCtrl = 0x20,
537 _1000bpsF = 0x10,
538 _100bps = 0x08,
539 _10bps = 0x04,
540 LinkStatus = 0x02,
541 FullDup = 0x01,
542
543 /* _TBICSRBit */
544 TBILinkOK = 0x02000000,
545
546 /* DumpCounterCommand */
547 CounterDump = 0x8,
548 };
549
550 enum rtl_desc_bit {
551 /* First doubleword. */
552 DescOwn = (1 << 31), /* Descriptor is owned by NIC */
553 RingEnd = (1 << 30), /* End of descriptor ring */
554 FirstFrag = (1 << 29), /* First segment of a packet */
555 LastFrag = (1 << 28), /* Final segment of a packet */
556 };
557
558 /* Generic case. */
559 enum rtl_tx_desc_bit {
560 /* First doubleword. */
561 TD_LSO = (1 << 27), /* Large Send Offload */
562 #define TD_MSS_MAX 0x07ffu /* MSS value */
563
564 /* Second doubleword. */
565 TxVlanTag = (1 << 17), /* Add VLAN tag */
566 };
567
568 /* 8169, 8168b and 810x except 8102e. */
569 enum rtl_tx_desc_bit_0 {
570 /* First doubleword. */
571 #define TD0_MSS_SHIFT 16 /* MSS position (11 bits) */
572 TD0_TCP_CS = (1 << 16), /* Calculate TCP/IP checksum */
573 TD0_UDP_CS = (1 << 17), /* Calculate UDP/IP checksum */
574 TD0_IP_CS = (1 << 18), /* Calculate IP checksum */
575 };
576
577 /* 8102e, 8168c and beyond. */
578 enum rtl_tx_desc_bit_1 {
579 /* Second doubleword. */
580 #define TD1_MSS_SHIFT 18 /* MSS position (11 bits) */
581 TD1_IP_CS = (1 << 29), /* Calculate IP checksum */
582 TD1_TCP_CS = (1 << 30), /* Calculate TCP/IP checksum */
583 TD1_UDP_CS = (1 << 31), /* Calculate UDP/IP checksum */
584 };
585
586 static const struct rtl_tx_desc_info {
587 struct {
588 u32 udp;
589 u32 tcp;
590 } checksum;
591 u16 mss_shift;
592 u16 opts_offset;
593 } tx_desc_info [] = {
594 [RTL_TD_0] = {
595 .checksum = {
596 .udp = TD0_IP_CS | TD0_UDP_CS,
597 .tcp = TD0_IP_CS | TD0_TCP_CS
598 },
599 .mss_shift = TD0_MSS_SHIFT,
600 .opts_offset = 0
601 },
602 [RTL_TD_1] = {
603 .checksum = {
604 .udp = TD1_IP_CS | TD1_UDP_CS,
605 .tcp = TD1_IP_CS | TD1_TCP_CS
606 },
607 .mss_shift = TD1_MSS_SHIFT,
608 .opts_offset = 1
609 }
610 };
611
612 enum rtl_rx_desc_bit {
613 /* Rx private */
614 PID1 = (1 << 18), /* Protocol ID bit 1/2 */
615 PID0 = (1 << 17), /* Protocol ID bit 2/2 */
616
617 #define RxProtoUDP (PID1)
618 #define RxProtoTCP (PID0)
619 #define RxProtoIP (PID1 | PID0)
620 #define RxProtoMask RxProtoIP
621
622 IPFail = (1 << 16), /* IP checksum failed */
623 UDPFail = (1 << 15), /* UDP/IP checksum failed */
624 TCPFail = (1 << 14), /* TCP/IP checksum failed */
625 RxVlanTag = (1 << 16), /* VLAN tag available */
626 };
627
628 #define RsvdMask 0x3fffc000
629
630 struct TxDesc {
631 __le32 opts1;
632 __le32 opts2;
633 __le64 addr;
634 };
635
636 struct RxDesc {
637 __le32 opts1;
638 __le32 opts2;
639 __le64 addr;
640 };
641
642 struct ring_info {
643 struct sk_buff *skb;
644 u32 len;
645 u8 __pad[sizeof(void *) - sizeof(u32)];
646 };
647
648 enum features {
649 RTL_FEATURE_WOL = (1 << 0),
650 RTL_FEATURE_MSI = (1 << 1),
651 RTL_FEATURE_GMII = (1 << 2),
652 };
653
654 struct rtl8169_counters {
655 __le64 tx_packets;
656 __le64 rx_packets;
657 __le64 tx_errors;
658 __le32 rx_errors;
659 __le16 rx_missed;
660 __le16 align_errors;
661 __le32 tx_one_collision;
662 __le32 tx_multi_collision;
663 __le64 rx_unicast;
664 __le64 rx_broadcast;
665 __le32 rx_multicast;
666 __le16 tx_aborted;
667 __le16 tx_underun;
668 };
669
670 struct rtl8169_private {
671 void __iomem *mmio_addr; /* memory map physical address */
672 struct pci_dev *pci_dev;
673 struct net_device *dev;
674 struct napi_struct napi;
675 spinlock_t lock;
676 u32 msg_enable;
677 u16 txd_version;
678 u16 mac_version;
679 u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
680 u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
681 u32 dirty_rx;
682 u32 dirty_tx;
683 struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
684 struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
685 dma_addr_t TxPhyAddr;
686 dma_addr_t RxPhyAddr;
687 void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
688 struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
689 struct timer_list timer;
690 u16 cp_cmd;
691 u16 intr_event;
692 u16 napi_event;
693 u16 intr_mask;
694
695 struct mdio_ops {
696 void (*write)(void __iomem *, int, int);
697 int (*read)(void __iomem *, int);
698 } mdio_ops;
699
700 struct pll_power_ops {
701 void (*down)(struct rtl8169_private *);
702 void (*up)(struct rtl8169_private *);
703 } pll_power_ops;
704
705 struct jumbo_ops {
706 void (*enable)(struct rtl8169_private *);
707 void (*disable)(struct rtl8169_private *);
708 } jumbo_ops;
709
710 int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
711 int (*get_settings)(struct net_device *, struct ethtool_cmd *);
712 void (*phy_reset_enable)(struct rtl8169_private *tp);
713 void (*hw_start)(struct net_device *);
714 unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
715 unsigned int (*link_ok)(void __iomem *);
716 int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
717 struct delayed_work task;
718 unsigned features;
719
720 struct mii_if_info mii;
721 struct rtl8169_counters counters;
722 u32 saved_wolopts;
723 u32 opts1_mask;
724
725 struct rtl_fw {
726 const struct firmware *fw;
727
728 #define RTL_VER_SIZE 32
729
730 char version[RTL_VER_SIZE];
731
732 struct rtl_fw_phy_action {
733 __le32 *code;
734 size_t size;
735 } phy_action;
736 } *rtl_fw;
737 #define RTL_FIRMWARE_UNKNOWN ERR_PTR(-EAGAIN)
738 };
739
740 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
741 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
742 module_param(use_dac, int, 0);
743 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
744 module_param_named(debug, debug.msg_enable, int, 0);
745 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
746 MODULE_LICENSE("GPL");
747 MODULE_VERSION(RTL8169_VERSION);
748 MODULE_FIRMWARE(FIRMWARE_8168D_1);
749 MODULE_FIRMWARE(FIRMWARE_8168D_2);
750 MODULE_FIRMWARE(FIRMWARE_8168E_1);
751 MODULE_FIRMWARE(FIRMWARE_8168E_2);
752 MODULE_FIRMWARE(FIRMWARE_8168E_3);
753 MODULE_FIRMWARE(FIRMWARE_8105E_1);
754 MODULE_FIRMWARE(FIRMWARE_8168F_1);
755 MODULE_FIRMWARE(FIRMWARE_8168F_2);
756
757 static int rtl8169_open(struct net_device *dev);
758 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
759 struct net_device *dev);
760 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
761 static int rtl8169_init_ring(struct net_device *dev);
762 static void rtl_hw_start(struct net_device *dev);
763 static int rtl8169_close(struct net_device *dev);
764 static void rtl_set_rx_mode(struct net_device *dev);
765 static void rtl8169_tx_timeout(struct net_device *dev);
766 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
767 static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
768 void __iomem *, u32 budget);
769 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
770 static void rtl8169_down(struct net_device *dev);
771 static void rtl8169_rx_clear(struct rtl8169_private *tp);
772 static int rtl8169_poll(struct napi_struct *napi, int budget);
773
774 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
775 {
776 int cap = pci_pcie_cap(pdev);
777
778 if (cap) {
779 u16 ctl;
780
781 pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
782 ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
783 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
784 }
785 }
786
787 static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
788 {
789 void __iomem *ioaddr = tp->mmio_addr;
790 int i;
791
792 RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
793 for (i = 0; i < 20; i++) {
794 udelay(100);
795 if (RTL_R32(OCPAR) & OCPAR_FLAG)
796 break;
797 }
798 return RTL_R32(OCPDR);
799 }
800
801 static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
802 {
803 void __iomem *ioaddr = tp->mmio_addr;
804 int i;
805
806 RTL_W32(OCPDR, data);
807 RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
808 for (i = 0; i < 20; i++) {
809 udelay(100);
810 if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)
811 break;
812 }
813 }
814
815 static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
816 {
817 void __iomem *ioaddr = tp->mmio_addr;
818 int i;
819
820 RTL_W8(ERIDR, cmd);
821 RTL_W32(ERIAR, 0x800010e8);
822 msleep(2);
823 for (i = 0; i < 5; i++) {
824 udelay(100);
825 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
826 break;
827 }
828
829 ocp_write(tp, 0x1, 0x30, 0x00000001);
830 }
831
832 #define OOB_CMD_RESET 0x00
833 #define OOB_CMD_DRIVER_START 0x05
834 #define OOB_CMD_DRIVER_STOP 0x06
835
836 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
837 {
838 return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
839 }
840
841 static void rtl8168_driver_start(struct rtl8169_private *tp)
842 {
843 u16 reg;
844 int i;
845
846 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
847
848 reg = rtl8168_get_ocp_reg(tp);
849
850 for (i = 0; i < 10; i++) {
851 msleep(10);
852 if (ocp_read(tp, 0x0f, reg) & 0x00000800)
853 break;
854 }
855 }
856
857 static void rtl8168_driver_stop(struct rtl8169_private *tp)
858 {
859 u16 reg;
860 int i;
861
862 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
863
864 reg = rtl8168_get_ocp_reg(tp);
865
866 for (i = 0; i < 10; i++) {
867 msleep(10);
868 if ((ocp_read(tp, 0x0f, reg) & 0x00000800) == 0)
869 break;
870 }
871 }
872
873 static int r8168dp_check_dash(struct rtl8169_private *tp)
874 {
875 u16 reg = rtl8168_get_ocp_reg(tp);
876
877 return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
878 }
879
880 static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
881 {
882 int i;
883
884 RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
885
886 for (i = 20; i > 0; i--) {
887 /*
888 * Check if the RTL8169 has completed writing to the specified
889 * MII register.
890 */
891 if (!(RTL_R32(PHYAR) & 0x80000000))
892 break;
893 udelay(25);
894 }
895 /*
896 * According to hardware specs a 20us delay is required after write
897 * complete indication, but before sending next command.
898 */
899 udelay(20);
900 }
901
902 static int r8169_mdio_read(void __iomem *ioaddr, int reg_addr)
903 {
904 int i, value = -1;
905
906 RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
907
908 for (i = 20; i > 0; i--) {
909 /*
910 * Check if the RTL8169 has completed retrieving data from
911 * the specified MII register.
912 */
913 if (RTL_R32(PHYAR) & 0x80000000) {
914 value = RTL_R32(PHYAR) & 0xffff;
915 break;
916 }
917 udelay(25);
918 }
919 /*
920 * According to hardware specs a 20us delay is required after read
921 * complete indication, but before sending next command.
922 */
923 udelay(20);
924
925 return value;
926 }
927
928 static void r8168dp_1_mdio_access(void __iomem *ioaddr, int reg_addr, u32 data)
929 {
930 int i;
931
932 RTL_W32(OCPDR, data |
933 ((reg_addr & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
934 RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
935 RTL_W32(EPHY_RXER_NUM, 0);
936
937 for (i = 0; i < 100; i++) {
938 mdelay(1);
939 if (!(RTL_R32(OCPAR) & OCPAR_FLAG))
940 break;
941 }
942 }
943
944 static void r8168dp_1_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
945 {
946 r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_WRITE_CMD |
947 (value & OCPDR_DATA_MASK));
948 }
949
950 static int r8168dp_1_mdio_read(void __iomem *ioaddr, int reg_addr)
951 {
952 int i;
953
954 r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_READ_CMD);
955
956 mdelay(1);
957 RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
958 RTL_W32(EPHY_RXER_NUM, 0);
959
960 for (i = 0; i < 100; i++) {
961 mdelay(1);
962 if (RTL_R32(OCPAR) & OCPAR_FLAG)
963 break;
964 }
965
966 return RTL_R32(OCPDR) & OCPDR_DATA_MASK;
967 }
968
969 #define R8168DP_1_MDIO_ACCESS_BIT 0x00020000
970
971 static void r8168dp_2_mdio_start(void __iomem *ioaddr)
972 {
973 RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
974 }
975
976 static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
977 {
978 RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
979 }
980
981 static void r8168dp_2_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
982 {
983 r8168dp_2_mdio_start(ioaddr);
984
985 r8169_mdio_write(ioaddr, reg_addr, value);
986
987 r8168dp_2_mdio_stop(ioaddr);
988 }
989
990 static int r8168dp_2_mdio_read(void __iomem *ioaddr, int reg_addr)
991 {
992 int value;
993
994 r8168dp_2_mdio_start(ioaddr);
995
996 value = r8169_mdio_read(ioaddr, reg_addr);
997
998 r8168dp_2_mdio_stop(ioaddr);
999
1000 return value;
1001 }
1002
1003 static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
1004 {
1005 tp->mdio_ops.write(tp->mmio_addr, location, val);
1006 }
1007
1008 static int rtl_readphy(struct rtl8169_private *tp, int location)
1009 {
1010 return tp->mdio_ops.read(tp->mmio_addr, location);
1011 }
1012
1013 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
1014 {
1015 rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
1016 }
1017
1018 static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
1019 {
1020 int val;
1021
1022 val = rtl_readphy(tp, reg_addr);
1023 rtl_writephy(tp, reg_addr, (val | p) & ~m);
1024 }
1025
1026 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
1027 int val)
1028 {
1029 struct rtl8169_private *tp = netdev_priv(dev);
1030
1031 rtl_writephy(tp, location, val);
1032 }
1033
1034 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
1035 {
1036 struct rtl8169_private *tp = netdev_priv(dev);
1037
1038 return rtl_readphy(tp, location);
1039 }
1040
1041 static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
1042 {
1043 unsigned int i;
1044
1045 RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
1046 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1047
1048 for (i = 0; i < 100; i++) {
1049 if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
1050 break;
1051 udelay(10);
1052 }
1053 }
1054
1055 static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
1056 {
1057 u16 value = 0xffff;
1058 unsigned int i;
1059
1060 RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1061
1062 for (i = 0; i < 100; i++) {
1063 if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
1064 value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
1065 break;
1066 }
1067 udelay(10);
1068 }
1069
1070 return value;
1071 }
1072
1073 static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
1074 {
1075 unsigned int i;
1076
1077 RTL_W32(CSIDR, value);
1078 RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
1079 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1080
1081 for (i = 0; i < 100; i++) {
1082 if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
1083 break;
1084 udelay(10);
1085 }
1086 }
1087
1088 static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
1089 {
1090 u32 value = ~0x00;
1091 unsigned int i;
1092
1093 RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
1094 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1095
1096 for (i = 0; i < 100; i++) {
1097 if (RTL_R32(CSIAR) & CSIAR_FLAG) {
1098 value = RTL_R32(CSIDR);
1099 break;
1100 }
1101 udelay(10);
1102 }
1103
1104 return value;
1105 }
1106
1107 static
1108 void rtl_eri_write(void __iomem *ioaddr, int addr, u32 mask, u32 val, int type)
1109 {
1110 unsigned int i;
1111
1112 BUG_ON((addr & 3) || (mask == 0));
1113 RTL_W32(ERIDR, val);
1114 RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1115
1116 for (i = 0; i < 100; i++) {
1117 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
1118 break;
1119 udelay(100);
1120 }
1121 }
1122
1123 static u32 rtl_eri_read(void __iomem *ioaddr, int addr, int type)
1124 {
1125 u32 value = ~0x00;
1126 unsigned int i;
1127
1128 RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1129
1130 for (i = 0; i < 100; i++) {
1131 if (RTL_R32(ERIAR) & ERIAR_FLAG) {
1132 value = RTL_R32(ERIDR);
1133 break;
1134 }
1135 udelay(100);
1136 }
1137
1138 return value;
1139 }
1140
1141 static void
1142 rtl_w1w0_eri(void __iomem *ioaddr, int addr, u32 mask, u32 p, u32 m, int type)
1143 {
1144 u32 val;
1145
1146 val = rtl_eri_read(ioaddr, addr, type);
1147 rtl_eri_write(ioaddr, addr, mask, (val & ~m) | p, type);
1148 }
1149
1150 struct exgmac_reg {
1151 u16 addr;
1152 u16 mask;
1153 u32 val;
1154 };
1155
1156 static void rtl_write_exgmac_batch(void __iomem *ioaddr,
1157 const struct exgmac_reg *r, int len)
1158 {
1159 while (len-- > 0) {
1160 rtl_eri_write(ioaddr, r->addr, r->mask, r->val, ERIAR_EXGMAC);
1161 r++;
1162 }
1163 }
1164
1165 static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
1166 {
1167 u8 value = 0xff;
1168 unsigned int i;
1169
1170 RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1171
1172 for (i = 0; i < 300; i++) {
1173 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
1174 value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
1175 break;
1176 }
1177 udelay(100);
1178 }
1179
1180 return value;
1181 }
1182
1183 static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
1184 {
1185 void __iomem *ioaddr = tp->mmio_addr;
1186
1187 RTL_W16(IntrMask, 0x0000);
1188 RTL_W16(IntrStatus, tp->intr_event);
1189 RTL_R8(ChipCmd);
1190 }
1191
1192 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
1193 {
1194 void __iomem *ioaddr = tp->mmio_addr;
1195
1196 return RTL_R32(TBICSR) & TBIReset;
1197 }
1198
1199 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1200 {
1201 return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1202 }
1203
1204 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1205 {
1206 return RTL_R32(TBICSR) & TBILinkOk;
1207 }
1208
1209 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1210 {
1211 return RTL_R8(PHYstatus) & LinkStatus;
1212 }
1213
1214 static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
1215 {
1216 void __iomem *ioaddr = tp->mmio_addr;
1217
1218 RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
1219 }
1220
1221 static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
1222 {
1223 unsigned int val;
1224
1225 val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
1226 rtl_writephy(tp, MII_BMCR, val & 0xffff);
1227 }
1228
1229 static void rtl_link_chg_patch(struct rtl8169_private *tp)
1230 {
1231 void __iomem *ioaddr = tp->mmio_addr;
1232 struct net_device *dev = tp->dev;
1233
1234 if (!netif_running(dev))
1235 return;
1236
1237 if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
1238 if (RTL_R8(PHYstatus) & _1000bpsF) {
1239 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1240 0x00000011, ERIAR_EXGMAC);
1241 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1242 0x00000005, ERIAR_EXGMAC);
1243 } else if (RTL_R8(PHYstatus) & _100bps) {
1244 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1245 0x0000001f, ERIAR_EXGMAC);
1246 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1247 0x00000005, ERIAR_EXGMAC);
1248 } else {
1249 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1250 0x0000001f, ERIAR_EXGMAC);
1251 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1252 0x0000003f, ERIAR_EXGMAC);
1253 }
1254 /* Reset packet filter */
1255 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01,
1256 ERIAR_EXGMAC);
1257 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00,
1258 ERIAR_EXGMAC);
1259 } else if (tp->mac_version == RTL_GIGA_MAC_VER_35 ||
1260 tp->mac_version == RTL_GIGA_MAC_VER_36) {
1261 if (RTL_R8(PHYstatus) & _1000bpsF) {
1262 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1263 0x00000011, ERIAR_EXGMAC);
1264 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1265 0x00000005, ERIAR_EXGMAC);
1266 } else {
1267 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1268 0x0000001f, ERIAR_EXGMAC);
1269 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1270 0x0000003f, ERIAR_EXGMAC);
1271 }
1272 }
1273 }
1274
1275 static void __rtl8169_check_link_status(struct net_device *dev,
1276 struct rtl8169_private *tp,
1277 void __iomem *ioaddr, bool pm)
1278 {
1279 unsigned long flags;
1280
1281 spin_lock_irqsave(&tp->lock, flags);
1282 if (tp->link_ok(ioaddr)) {
1283 rtl_link_chg_patch(tp);
1284 /* This is to cancel a scheduled suspend if there's one. */
1285 if (pm)
1286 pm_request_resume(&tp->pci_dev->dev);
1287 netif_carrier_on(dev);
1288 if (net_ratelimit())
1289 netif_info(tp, ifup, dev, "link up\n");
1290 } else {
1291 netif_carrier_off(dev);
1292 netif_info(tp, ifdown, dev, "link down\n");
1293 if (pm)
1294 pm_schedule_suspend(&tp->pci_dev->dev, 5000);
1295 }
1296 spin_unlock_irqrestore(&tp->lock, flags);
1297 }
1298
1299 static void rtl8169_check_link_status(struct net_device *dev,
1300 struct rtl8169_private *tp,
1301 void __iomem *ioaddr)
1302 {
1303 __rtl8169_check_link_status(dev, tp, ioaddr, false);
1304 }
1305
1306 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1307
1308 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
1309 {
1310 void __iomem *ioaddr = tp->mmio_addr;
1311 u8 options;
1312 u32 wolopts = 0;
1313
1314 options = RTL_R8(Config1);
1315 if (!(options & PMEnable))
1316 return 0;
1317
1318 options = RTL_R8(Config3);
1319 if (options & LinkUp)
1320 wolopts |= WAKE_PHY;
1321 if (options & MagicPacket)
1322 wolopts |= WAKE_MAGIC;
1323
1324 options = RTL_R8(Config5);
1325 if (options & UWF)
1326 wolopts |= WAKE_UCAST;
1327 if (options & BWF)
1328 wolopts |= WAKE_BCAST;
1329 if (options & MWF)
1330 wolopts |= WAKE_MCAST;
1331
1332 return wolopts;
1333 }
1334
1335 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1336 {
1337 struct rtl8169_private *tp = netdev_priv(dev);
1338
1339 spin_lock_irq(&tp->lock);
1340
1341 wol->supported = WAKE_ANY;
1342 wol->wolopts = __rtl8169_get_wol(tp);
1343
1344 spin_unlock_irq(&tp->lock);
1345 }
1346
1347 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1348 {
1349 void __iomem *ioaddr = tp->mmio_addr;
1350 unsigned int i;
1351 static const struct {
1352 u32 opt;
1353 u16 reg;
1354 u8 mask;
1355 } cfg[] = {
1356 { WAKE_ANY, Config1, PMEnable },
1357 { WAKE_PHY, Config3, LinkUp },
1358 { WAKE_MAGIC, Config3, MagicPacket },
1359 { WAKE_UCAST, Config5, UWF },
1360 { WAKE_BCAST, Config5, BWF },
1361 { WAKE_MCAST, Config5, MWF },
1362 { WAKE_ANY, Config5, LanWake }
1363 };
1364
1365 RTL_W8(Cfg9346, Cfg9346_Unlock);
1366
1367 for (i = 0; i < ARRAY_SIZE(cfg); i++) {
1368 u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1369 if (wolopts & cfg[i].opt)
1370 options |= cfg[i].mask;
1371 RTL_W8(cfg[i].reg, options);
1372 }
1373
1374 RTL_W8(Cfg9346, Cfg9346_Lock);
1375 }
1376
1377 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1378 {
1379 struct rtl8169_private *tp = netdev_priv(dev);
1380
1381 spin_lock_irq(&tp->lock);
1382
1383 if (wol->wolopts)
1384 tp->features |= RTL_FEATURE_WOL;
1385 else
1386 tp->features &= ~RTL_FEATURE_WOL;
1387 __rtl8169_set_wol(tp, wol->wolopts);
1388 spin_unlock_irq(&tp->lock);
1389
1390 device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
1391
1392 return 0;
1393 }
1394
1395 static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1396 {
1397 return rtl_chip_infos[tp->mac_version].fw_name;
1398 }
1399
1400 static void rtl8169_get_drvinfo(struct net_device *dev,
1401 struct ethtool_drvinfo *info)
1402 {
1403 struct rtl8169_private *tp = netdev_priv(dev);
1404 struct rtl_fw *rtl_fw = tp->rtl_fw;
1405
1406 strlcpy(info->driver, MODULENAME, sizeof(info->driver));
1407 strlcpy(info->version, RTL8169_VERSION, sizeof(info->version));
1408 strlcpy(info->bus_info, pci_name(tp->pci_dev), sizeof(info->bus_info));
1409 BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1410 if (!IS_ERR_OR_NULL(rtl_fw))
1411 strlcpy(info->fw_version, rtl_fw->version,
1412 sizeof(info->fw_version));
1413 }
1414
1415 static int rtl8169_get_regs_len(struct net_device *dev)
1416 {
1417 return R8169_REGS_SIZE;
1418 }
1419
1420 static int rtl8169_set_speed_tbi(struct net_device *dev,
1421 u8 autoneg, u16 speed, u8 duplex, u32 ignored)
1422 {
1423 struct rtl8169_private *tp = netdev_priv(dev);
1424 void __iomem *ioaddr = tp->mmio_addr;
1425 int ret = 0;
1426 u32 reg;
1427
1428 reg = RTL_R32(TBICSR);
1429 if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
1430 (duplex == DUPLEX_FULL)) {
1431 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
1432 } else if (autoneg == AUTONEG_ENABLE)
1433 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
1434 else {
1435 netif_warn(tp, link, dev,
1436 "incorrect speed setting refused in TBI mode\n");
1437 ret = -EOPNOTSUPP;
1438 }
1439
1440 return ret;
1441 }
1442
1443 static int rtl8169_set_speed_xmii(struct net_device *dev,
1444 u8 autoneg, u16 speed, u8 duplex, u32 adv)
1445 {
1446 struct rtl8169_private *tp = netdev_priv(dev);
1447 int giga_ctrl, bmcr;
1448 int rc = -EINVAL;
1449
1450 rtl_writephy(tp, 0x1f, 0x0000);
1451
1452 if (autoneg == AUTONEG_ENABLE) {
1453 int auto_nego;
1454
1455 auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1456 auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
1457 ADVERTISE_100HALF | ADVERTISE_100FULL);
1458
1459 if (adv & ADVERTISED_10baseT_Half)
1460 auto_nego |= ADVERTISE_10HALF;
1461 if (adv & ADVERTISED_10baseT_Full)
1462 auto_nego |= ADVERTISE_10FULL;
1463 if (adv & ADVERTISED_100baseT_Half)
1464 auto_nego |= ADVERTISE_100HALF;
1465 if (adv & ADVERTISED_100baseT_Full)
1466 auto_nego |= ADVERTISE_100FULL;
1467
1468 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1469
1470 giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1471 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1472
1473 /* The 8100e/8101e/8102e do Fast Ethernet only. */
1474 if (tp->mii.supports_gmii) {
1475 if (adv & ADVERTISED_1000baseT_Half)
1476 giga_ctrl |= ADVERTISE_1000HALF;
1477 if (adv & ADVERTISED_1000baseT_Full)
1478 giga_ctrl |= ADVERTISE_1000FULL;
1479 } else if (adv & (ADVERTISED_1000baseT_Half |
1480 ADVERTISED_1000baseT_Full)) {
1481 netif_info(tp, link, dev,
1482 "PHY does not support 1000Mbps\n");
1483 goto out;
1484 }
1485
1486 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
1487
1488 rtl_writephy(tp, MII_ADVERTISE, auto_nego);
1489 rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1490 } else {
1491 giga_ctrl = 0;
1492
1493 if (speed == SPEED_10)
1494 bmcr = 0;
1495 else if (speed == SPEED_100)
1496 bmcr = BMCR_SPEED100;
1497 else
1498 goto out;
1499
1500 if (duplex == DUPLEX_FULL)
1501 bmcr |= BMCR_FULLDPLX;
1502 }
1503
1504 rtl_writephy(tp, MII_BMCR, bmcr);
1505
1506 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
1507 tp->mac_version == RTL_GIGA_MAC_VER_03) {
1508 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1509 rtl_writephy(tp, 0x17, 0x2138);
1510 rtl_writephy(tp, 0x0e, 0x0260);
1511 } else {
1512 rtl_writephy(tp, 0x17, 0x2108);
1513 rtl_writephy(tp, 0x0e, 0x0000);
1514 }
1515 }
1516
1517 rc = 0;
1518 out:
1519 return rc;
1520 }
1521
1522 static int rtl8169_set_speed(struct net_device *dev,
1523 u8 autoneg, u16 speed, u8 duplex, u32 advertising)
1524 {
1525 struct rtl8169_private *tp = netdev_priv(dev);
1526 int ret;
1527
1528 ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1529 if (ret < 0)
1530 goto out;
1531
1532 if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
1533 (advertising & ADVERTISED_1000baseT_Full)) {
1534 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1535 }
1536 out:
1537 return ret;
1538 }
1539
1540 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1541 {
1542 struct rtl8169_private *tp = netdev_priv(dev);
1543 unsigned long flags;
1544 int ret;
1545
1546 del_timer_sync(&tp->timer);
1547
1548 spin_lock_irqsave(&tp->lock, flags);
1549 ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1550 cmd->duplex, cmd->advertising);
1551 spin_unlock_irqrestore(&tp->lock, flags);
1552
1553 return ret;
1554 }
1555
1556 static netdev_features_t rtl8169_fix_features(struct net_device *dev,
1557 netdev_features_t features)
1558 {
1559 struct rtl8169_private *tp = netdev_priv(dev);
1560
1561 if (dev->mtu > TD_MSS_MAX)
1562 features &= ~NETIF_F_ALL_TSO;
1563
1564 if (dev->mtu > JUMBO_1K &&
1565 !rtl_chip_infos[tp->mac_version].jumbo_tx_csum)
1566 features &= ~NETIF_F_IP_CSUM;
1567
1568 return features;
1569 }
1570
1571 static int rtl8169_set_features(struct net_device *dev,
1572 netdev_features_t features)
1573 {
1574 struct rtl8169_private *tp = netdev_priv(dev);
1575 void __iomem *ioaddr = tp->mmio_addr;
1576 unsigned long flags;
1577
1578 spin_lock_irqsave(&tp->lock, flags);
1579
1580 if (features & NETIF_F_RXCSUM)
1581 tp->cp_cmd |= RxChkSum;
1582 else
1583 tp->cp_cmd &= ~RxChkSum;
1584
1585 if (dev->features & NETIF_F_HW_VLAN_RX)
1586 tp->cp_cmd |= RxVlan;
1587 else
1588 tp->cp_cmd &= ~RxVlan;
1589
1590 RTL_W16(CPlusCmd, tp->cp_cmd);
1591 RTL_R16(CPlusCmd);
1592
1593 spin_unlock_irqrestore(&tp->lock, flags);
1594
1595 return 0;
1596 }
1597
1598 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1599 struct sk_buff *skb)
1600 {
1601 return (vlan_tx_tag_present(skb)) ?
1602 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1603 }
1604
1605 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1606 {
1607 u32 opts2 = le32_to_cpu(desc->opts2);
1608
1609 if (opts2 & RxVlanTag)
1610 __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
1611
1612 desc->opts2 = 0;
1613 }
1614
1615 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1616 {
1617 struct rtl8169_private *tp = netdev_priv(dev);
1618 void __iomem *ioaddr = tp->mmio_addr;
1619 u32 status;
1620
1621 cmd->supported =
1622 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1623 cmd->port = PORT_FIBRE;
1624 cmd->transceiver = XCVR_INTERNAL;
1625
1626 status = RTL_R32(TBICSR);
1627 cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0;
1628 cmd->autoneg = !!(status & TBINwEnable);
1629
1630 ethtool_cmd_speed_set(cmd, SPEED_1000);
1631 cmd->duplex = DUPLEX_FULL; /* Always set */
1632
1633 return 0;
1634 }
1635
1636 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1637 {
1638 struct rtl8169_private *tp = netdev_priv(dev);
1639
1640 return mii_ethtool_gset(&tp->mii, cmd);
1641 }
1642
1643 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1644 {
1645 struct rtl8169_private *tp = netdev_priv(dev);
1646 unsigned long flags;
1647 int rc;
1648
1649 spin_lock_irqsave(&tp->lock, flags);
1650
1651 rc = tp->get_settings(dev, cmd);
1652
1653 spin_unlock_irqrestore(&tp->lock, flags);
1654 return rc;
1655 }
1656
1657 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1658 void *p)
1659 {
1660 struct rtl8169_private *tp = netdev_priv(dev);
1661 unsigned long flags;
1662
1663 if (regs->len > R8169_REGS_SIZE)
1664 regs->len = R8169_REGS_SIZE;
1665
1666 spin_lock_irqsave(&tp->lock, flags);
1667 memcpy_fromio(p, tp->mmio_addr, regs->len);
1668 spin_unlock_irqrestore(&tp->lock, flags);
1669 }
1670
1671 static u32 rtl8169_get_msglevel(struct net_device *dev)
1672 {
1673 struct rtl8169_private *tp = netdev_priv(dev);
1674
1675 return tp->msg_enable;
1676 }
1677
1678 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1679 {
1680 struct rtl8169_private *tp = netdev_priv(dev);
1681
1682 tp->msg_enable = value;
1683 }
1684
1685 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1686 "tx_packets",
1687 "rx_packets",
1688 "tx_errors",
1689 "rx_errors",
1690 "rx_missed",
1691 "align_errors",
1692 "tx_single_collisions",
1693 "tx_multi_collisions",
1694 "unicast",
1695 "broadcast",
1696 "multicast",
1697 "tx_aborted",
1698 "tx_underrun",
1699 };
1700
1701 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1702 {
1703 switch (sset) {
1704 case ETH_SS_STATS:
1705 return ARRAY_SIZE(rtl8169_gstrings);
1706 default:
1707 return -EOPNOTSUPP;
1708 }
1709 }
1710
1711 static void rtl8169_update_counters(struct net_device *dev)
1712 {
1713 struct rtl8169_private *tp = netdev_priv(dev);
1714 void __iomem *ioaddr = tp->mmio_addr;
1715 struct device *d = &tp->pci_dev->dev;
1716 struct rtl8169_counters *counters;
1717 dma_addr_t paddr;
1718 u32 cmd;
1719 int wait = 1000;
1720
1721 /*
1722 * Some chips are unable to dump tally counters when the receiver
1723 * is disabled.
1724 */
1725 if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1726 return;
1727
1728 counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1729 if (!counters)
1730 return;
1731
1732 RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1733 cmd = (u64)paddr & DMA_BIT_MASK(32);
1734 RTL_W32(CounterAddrLow, cmd);
1735 RTL_W32(CounterAddrLow, cmd | CounterDump);
1736
1737 while (wait--) {
1738 if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
1739 memcpy(&tp->counters, counters, sizeof(*counters));
1740 break;
1741 }
1742 udelay(10);
1743 }
1744
1745 RTL_W32(CounterAddrLow, 0);
1746 RTL_W32(CounterAddrHigh, 0);
1747
1748 dma_free_coherent(d, sizeof(*counters), counters, paddr);
1749 }
1750
1751 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1752 struct ethtool_stats *stats, u64 *data)
1753 {
1754 struct rtl8169_private *tp = netdev_priv(dev);
1755
1756 ASSERT_RTNL();
1757
1758 rtl8169_update_counters(dev);
1759
1760 data[0] = le64_to_cpu(tp->counters.tx_packets);
1761 data[1] = le64_to_cpu(tp->counters.rx_packets);
1762 data[2] = le64_to_cpu(tp->counters.tx_errors);
1763 data[3] = le32_to_cpu(tp->counters.rx_errors);
1764 data[4] = le16_to_cpu(tp->counters.rx_missed);
1765 data[5] = le16_to_cpu(tp->counters.align_errors);
1766 data[6] = le32_to_cpu(tp->counters.tx_one_collision);
1767 data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
1768 data[8] = le64_to_cpu(tp->counters.rx_unicast);
1769 data[9] = le64_to_cpu(tp->counters.rx_broadcast);
1770 data[10] = le32_to_cpu(tp->counters.rx_multicast);
1771 data[11] = le16_to_cpu(tp->counters.tx_aborted);
1772 data[12] = le16_to_cpu(tp->counters.tx_underun);
1773 }
1774
1775 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1776 {
1777 switch(stringset) {
1778 case ETH_SS_STATS:
1779 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1780 break;
1781 }
1782 }
1783
1784 static const struct ethtool_ops rtl8169_ethtool_ops = {
1785 .get_drvinfo = rtl8169_get_drvinfo,
1786 .get_regs_len = rtl8169_get_regs_len,
1787 .get_link = ethtool_op_get_link,
1788 .get_settings = rtl8169_get_settings,
1789 .set_settings = rtl8169_set_settings,
1790 .get_msglevel = rtl8169_get_msglevel,
1791 .set_msglevel = rtl8169_set_msglevel,
1792 .get_regs = rtl8169_get_regs,
1793 .get_wol = rtl8169_get_wol,
1794 .set_wol = rtl8169_set_wol,
1795 .get_strings = rtl8169_get_strings,
1796 .get_sset_count = rtl8169_get_sset_count,
1797 .get_ethtool_stats = rtl8169_get_ethtool_stats,
1798 };
1799
1800 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1801 struct net_device *dev, u8 default_version)
1802 {
1803 void __iomem *ioaddr = tp->mmio_addr;
1804 /*
1805 * The driver currently handles the 8168Bf and the 8168Be identically
1806 * but they can be identified more specifically through the test below
1807 * if needed:
1808 *
1809 * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1810 *
1811 * Same thing for the 8101Eb and the 8101Ec:
1812 *
1813 * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1814 */
1815 static const struct rtl_mac_info {
1816 u32 mask;
1817 u32 val;
1818 int mac_version;
1819 } mac_info[] = {
1820 /* 8168F family. */
1821 { 0x7cf00000, 0x48100000, RTL_GIGA_MAC_VER_36 },
1822 { 0x7cf00000, 0x48000000, RTL_GIGA_MAC_VER_35 },
1823
1824 /* 8168E family. */
1825 { 0x7c800000, 0x2c800000, RTL_GIGA_MAC_VER_34 },
1826 { 0x7cf00000, 0x2c200000, RTL_GIGA_MAC_VER_33 },
1827 { 0x7cf00000, 0x2c100000, RTL_GIGA_MAC_VER_32 },
1828 { 0x7c800000, 0x2c000000, RTL_GIGA_MAC_VER_33 },
1829
1830 /* 8168D family. */
1831 { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 },
1832 { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 },
1833 { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 },
1834
1835 /* 8168DP family. */
1836 { 0x7cf00000, 0x28800000, RTL_GIGA_MAC_VER_27 },
1837 { 0x7cf00000, 0x28a00000, RTL_GIGA_MAC_VER_28 },
1838 { 0x7cf00000, 0x28b00000, RTL_GIGA_MAC_VER_31 },
1839
1840 /* 8168C family. */
1841 { 0x7cf00000, 0x3cb00000, RTL_GIGA_MAC_VER_24 },
1842 { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 },
1843 { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 },
1844 { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 },
1845 { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 },
1846 { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 },
1847 { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 },
1848 { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 },
1849 { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 },
1850
1851 /* 8168B family. */
1852 { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 },
1853 { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 },
1854 { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 },
1855 { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 },
1856
1857 /* 8101 family. */
1858 { 0x7cf00000, 0x40b00000, RTL_GIGA_MAC_VER_30 },
1859 { 0x7cf00000, 0x40a00000, RTL_GIGA_MAC_VER_30 },
1860 { 0x7cf00000, 0x40900000, RTL_GIGA_MAC_VER_29 },
1861 { 0x7c800000, 0x40800000, RTL_GIGA_MAC_VER_30 },
1862 { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 },
1863 { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 },
1864 { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 },
1865 { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 },
1866 { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 },
1867 { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 },
1868 { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 },
1869 { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 },
1870 { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 },
1871 { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 },
1872 { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 },
1873 { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 },
1874 /* FIXME: where did these entries come from ? -- FR */
1875 { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 },
1876 { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 },
1877
1878 /* 8110 family. */
1879 { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 },
1880 { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 },
1881 { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 },
1882 { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 },
1883 { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 },
1884 { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 },
1885
1886 /* Catch-all */
1887 { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE }
1888 };
1889 const struct rtl_mac_info *p = mac_info;
1890 u32 reg;
1891
1892 reg = RTL_R32(TxConfig);
1893 while ((reg & p->mask) != p->val)
1894 p++;
1895 tp->mac_version = p->mac_version;
1896
1897 if (tp->mac_version == RTL_GIGA_MAC_NONE) {
1898 netif_notice(tp, probe, dev,
1899 "unknown MAC, using family default\n");
1900 tp->mac_version = default_version;
1901 }
1902 }
1903
1904 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
1905 {
1906 dprintk("mac_version = 0x%02x\n", tp->mac_version);
1907 }
1908
1909 struct phy_reg {
1910 u16 reg;
1911 u16 val;
1912 };
1913
1914 static void rtl_writephy_batch(struct rtl8169_private *tp,
1915 const struct phy_reg *regs, int len)
1916 {
1917 while (len-- > 0) {
1918 rtl_writephy(tp, regs->reg, regs->val);
1919 regs++;
1920 }
1921 }
1922
1923 #define PHY_READ 0x00000000
1924 #define PHY_DATA_OR 0x10000000
1925 #define PHY_DATA_AND 0x20000000
1926 #define PHY_BJMPN 0x30000000
1927 #define PHY_READ_EFUSE 0x40000000
1928 #define PHY_READ_MAC_BYTE 0x50000000
1929 #define PHY_WRITE_MAC_BYTE 0x60000000
1930 #define PHY_CLEAR_READCOUNT 0x70000000
1931 #define PHY_WRITE 0x80000000
1932 #define PHY_READCOUNT_EQ_SKIP 0x90000000
1933 #define PHY_COMP_EQ_SKIPN 0xa0000000
1934 #define PHY_COMP_NEQ_SKIPN 0xb0000000
1935 #define PHY_WRITE_PREVIOUS 0xc0000000
1936 #define PHY_SKIPN 0xd0000000
1937 #define PHY_DELAY_MS 0xe0000000
1938 #define PHY_WRITE_ERI_WORD 0xf0000000
1939
1940 struct fw_info {
1941 u32 magic;
1942 char version[RTL_VER_SIZE];
1943 __le32 fw_start;
1944 __le32 fw_len;
1945 u8 chksum;
1946 } __packed;
1947
1948 #define FW_OPCODE_SIZE sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
1949
1950 static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1951 {
1952 const struct firmware *fw = rtl_fw->fw;
1953 struct fw_info *fw_info = (struct fw_info *)fw->data;
1954 struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
1955 char *version = rtl_fw->version;
1956 bool rc = false;
1957
1958 if (fw->size < FW_OPCODE_SIZE)
1959 goto out;
1960
1961 if (!fw_info->magic) {
1962 size_t i, size, start;
1963 u8 checksum = 0;
1964
1965 if (fw->size < sizeof(*fw_info))
1966 goto out;
1967
1968 for (i = 0; i < fw->size; i++)
1969 checksum += fw->data[i];
1970 if (checksum != 0)
1971 goto out;
1972
1973 start = le32_to_cpu(fw_info->fw_start);
1974 if (start > fw->size)
1975 goto out;
1976
1977 size = le32_to_cpu(fw_info->fw_len);
1978 if (size > (fw->size - start) / FW_OPCODE_SIZE)
1979 goto out;
1980
1981 memcpy(version, fw_info->version, RTL_VER_SIZE);
1982
1983 pa->code = (__le32 *)(fw->data + start);
1984 pa->size = size;
1985 } else {
1986 if (fw->size % FW_OPCODE_SIZE)
1987 goto out;
1988
1989 strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);
1990
1991 pa->code = (__le32 *)fw->data;
1992 pa->size = fw->size / FW_OPCODE_SIZE;
1993 }
1994 version[RTL_VER_SIZE - 1] = 0;
1995
1996 rc = true;
1997 out:
1998 return rc;
1999 }
2000
2001 static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
2002 struct rtl_fw_phy_action *pa)
2003 {
2004 bool rc = false;
2005 size_t index;
2006
2007 for (index = 0; index < pa->size; index++) {
2008 u32 action = le32_to_cpu(pa->code[index]);
2009 u32 regno = (action & 0x0fff0000) >> 16;
2010
2011 switch(action & 0xf0000000) {
2012 case PHY_READ:
2013 case PHY_DATA_OR:
2014 case PHY_DATA_AND:
2015 case PHY_READ_EFUSE:
2016 case PHY_CLEAR_READCOUNT:
2017 case PHY_WRITE:
2018 case PHY_WRITE_PREVIOUS:
2019 case PHY_DELAY_MS:
2020 break;
2021
2022 case PHY_BJMPN:
2023 if (regno > index) {
2024 netif_err(tp, ifup, tp->dev,
2025 "Out of range of firmware\n");
2026 goto out;
2027 }
2028 break;
2029 case PHY_READCOUNT_EQ_SKIP:
2030 if (index + 2 >= pa->size) {
2031 netif_err(tp, ifup, tp->dev,
2032 "Out of range of firmware\n");
2033 goto out;
2034 }
2035 break;
2036 case PHY_COMP_EQ_SKIPN:
2037 case PHY_COMP_NEQ_SKIPN:
2038 case PHY_SKIPN:
2039 if (index + 1 + regno >= pa->size) {
2040 netif_err(tp, ifup, tp->dev,
2041 "Out of range of firmware\n");
2042 goto out;
2043 }
2044 break;
2045
2046 case PHY_READ_MAC_BYTE:
2047 case PHY_WRITE_MAC_BYTE:
2048 case PHY_WRITE_ERI_WORD:
2049 default:
2050 netif_err(tp, ifup, tp->dev,
2051 "Invalid action 0x%08x\n", action);
2052 goto out;
2053 }
2054 }
2055 rc = true;
2056 out:
2057 return rc;
2058 }
2059
2060 static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2061 {
2062 struct net_device *dev = tp->dev;
2063 int rc = -EINVAL;
2064
2065 if (!rtl_fw_format_ok(tp, rtl_fw)) {
2066 netif_err(tp, ifup, dev, "invalid firwmare\n");
2067 goto out;
2068 }
2069
2070 if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
2071 rc = 0;
2072 out:
2073 return rc;
2074 }
2075
2076 static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2077 {
2078 struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2079 u32 predata, count;
2080 size_t index;
2081
2082 predata = count = 0;
2083
2084 for (index = 0; index < pa->size; ) {
2085 u32 action = le32_to_cpu(pa->code[index]);
2086 u32 data = action & 0x0000ffff;
2087 u32 regno = (action & 0x0fff0000) >> 16;
2088
2089 if (!action)
2090 break;
2091
2092 switch(action & 0xf0000000) {
2093 case PHY_READ:
2094 predata = rtl_readphy(tp, regno);
2095 count++;
2096 index++;
2097 break;
2098 case PHY_DATA_OR:
2099 predata |= data;
2100 index++;
2101 break;
2102 case PHY_DATA_AND:
2103 predata &= data;
2104 index++;
2105 break;
2106 case PHY_BJMPN:
2107 index -= regno;
2108 break;
2109 case PHY_READ_EFUSE:
2110 predata = rtl8168d_efuse_read(tp->mmio_addr, regno);
2111 index++;
2112 break;
2113 case PHY_CLEAR_READCOUNT:
2114 count = 0;
2115 index++;
2116 break;
2117 case PHY_WRITE:
2118 rtl_writephy(tp, regno, data);
2119 index++;
2120 break;
2121 case PHY_READCOUNT_EQ_SKIP:
2122 index += (count == data) ? 2 : 1;
2123 break;
2124 case PHY_COMP_EQ_SKIPN:
2125 if (predata == data)
2126 index += regno;
2127 index++;
2128 break;
2129 case PHY_COMP_NEQ_SKIPN:
2130 if (predata != data)
2131 index += regno;
2132 index++;
2133 break;
2134 case PHY_WRITE_PREVIOUS:
2135 rtl_writephy(tp, regno, predata);
2136 index++;
2137 break;
2138 case PHY_SKIPN:
2139 index += regno + 1;
2140 break;
2141 case PHY_DELAY_MS:
2142 mdelay(data);
2143 index++;
2144 break;
2145
2146 case PHY_READ_MAC_BYTE:
2147 case PHY_WRITE_MAC_BYTE:
2148 case PHY_WRITE_ERI_WORD:
2149 default:
2150 BUG();
2151 }
2152 }
2153 }
2154
2155 static void rtl_release_firmware(struct rtl8169_private *tp)
2156 {
2157 if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
2158 release_firmware(tp->rtl_fw->fw);
2159 kfree(tp->rtl_fw);
2160 }
2161 tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
2162 }
2163
2164 static void rtl_apply_firmware(struct rtl8169_private *tp)
2165 {
2166 struct rtl_fw *rtl_fw = tp->rtl_fw;
2167
2168 /* TODO: release firmware once rtl_phy_write_fw signals failures. */
2169 if (!IS_ERR_OR_NULL(rtl_fw))
2170 rtl_phy_write_fw(tp, rtl_fw);
2171 }
2172
2173 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2174 {
2175 if (rtl_readphy(tp, reg) != val)
2176 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2177 else
2178 rtl_apply_firmware(tp);
2179 }
2180
2181 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2182 {
2183 static const struct phy_reg phy_reg_init[] = {
2184 { 0x1f, 0x0001 },
2185 { 0x06, 0x006e },
2186 { 0x08, 0x0708 },
2187 { 0x15, 0x4000 },
2188 { 0x18, 0x65c7 },
2189
2190 { 0x1f, 0x0001 },
2191 { 0x03, 0x00a1 },
2192 { 0x02, 0x0008 },
2193 { 0x01, 0x0120 },
2194 { 0x00, 0x1000 },
2195 { 0x04, 0x0800 },
2196 { 0x04, 0x0000 },
2197
2198 { 0x03, 0xff41 },
2199 { 0x02, 0xdf60 },
2200 { 0x01, 0x0140 },
2201 { 0x00, 0x0077 },
2202 { 0x04, 0x7800 },
2203 { 0x04, 0x7000 },
2204
2205 { 0x03, 0x802f },
2206 { 0x02, 0x4f02 },
2207 { 0x01, 0x0409 },
2208 { 0x00, 0xf0f9 },
2209 { 0x04, 0x9800 },
2210 { 0x04, 0x9000 },
2211
2212 { 0x03, 0xdf01 },
2213 { 0x02, 0xdf20 },
2214 { 0x01, 0xff95 },
2215 { 0x00, 0xba00 },
2216 { 0x04, 0xa800 },
2217 { 0x04, 0xa000 },
2218
2219 { 0x03, 0xff41 },
2220 { 0x02, 0xdf20 },
2221 { 0x01, 0x0140 },
2222 { 0x00, 0x00bb },
2223 { 0x04, 0xb800 },
2224 { 0x04, 0xb000 },
2225
2226 { 0x03, 0xdf41 },
2227 { 0x02, 0xdc60 },
2228 { 0x01, 0x6340 },
2229 { 0x00, 0x007d },
2230 { 0x04, 0xd800 },
2231 { 0x04, 0xd000 },
2232
2233 { 0x03, 0xdf01 },
2234 { 0x02, 0xdf20 },
2235 { 0x01, 0x100a },
2236 { 0x00, 0xa0ff },
2237 { 0x04, 0xf800 },
2238 { 0x04, 0xf000 },
2239
2240 { 0x1f, 0x0000 },
2241 { 0x0b, 0x0000 },
2242 { 0x00, 0x9200 }
2243 };
2244
2245 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2246 }
2247
2248 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2249 {
2250 static const struct phy_reg phy_reg_init[] = {
2251 { 0x1f, 0x0002 },
2252 { 0x01, 0x90d0 },
2253 { 0x1f, 0x0000 }
2254 };
2255
2256 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2257 }
2258
2259 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2260 {
2261 struct pci_dev *pdev = tp->pci_dev;
2262
2263 if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
2264 (pdev->subsystem_device != 0xe000))
2265 return;
2266
2267 rtl_writephy(tp, 0x1f, 0x0001);
2268 rtl_writephy(tp, 0x10, 0xf01b);
2269 rtl_writephy(tp, 0x1f, 0x0000);
2270 }
2271
2272 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2273 {
2274 static const struct phy_reg phy_reg_init[] = {
2275 { 0x1f, 0x0001 },
2276 { 0x04, 0x0000 },
2277 { 0x03, 0x00a1 },
2278 { 0x02, 0x0008 },
2279 { 0x01, 0x0120 },
2280 { 0x00, 0x1000 },
2281 { 0x04, 0x0800 },
2282 { 0x04, 0x9000 },
2283 { 0x03, 0x802f },
2284 { 0x02, 0x4f02 },
2285 { 0x01, 0x0409 },
2286 { 0x00, 0xf099 },
2287 { 0x04, 0x9800 },
2288 { 0x04, 0xa000 },
2289 { 0x03, 0xdf01 },
2290 { 0x02, 0xdf20 },
2291 { 0x01, 0xff95 },
2292 { 0x00, 0xba00 },
2293 { 0x04, 0xa800 },
2294 { 0x04, 0xf000 },
2295 { 0x03, 0xdf01 },
2296 { 0x02, 0xdf20 },
2297 { 0x01, 0x101a },
2298 { 0x00, 0xa0ff },
2299 { 0x04, 0xf800 },
2300 { 0x04, 0x0000 },
2301 { 0x1f, 0x0000 },
2302
2303 { 0x1f, 0x0001 },
2304 { 0x10, 0xf41b },
2305 { 0x14, 0xfb54 },
2306 { 0x18, 0xf5c7 },
2307 { 0x1f, 0x0000 },
2308
2309 { 0x1f, 0x0001 },
2310 { 0x17, 0x0cc0 },
2311 { 0x1f, 0x0000 }
2312 };
2313
2314 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2315
2316 rtl8169scd_hw_phy_config_quirk(tp);
2317 }
2318
2319 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2320 {
2321 static const struct phy_reg phy_reg_init[] = {
2322 { 0x1f, 0x0001 },
2323 { 0x04, 0x0000 },
2324 { 0x03, 0x00a1 },
2325 { 0x02, 0x0008 },
2326 { 0x01, 0x0120 },
2327 { 0x00, 0x1000 },
2328 { 0x04, 0x0800 },
2329 { 0x04, 0x9000 },
2330 { 0x03, 0x802f },
2331 { 0x02, 0x4f02 },
2332 { 0x01, 0x0409 },
2333 { 0x00, 0xf099 },
2334 { 0x04, 0x9800 },
2335 { 0x04, 0xa000 },
2336 { 0x03, 0xdf01 },
2337 { 0x02, 0xdf20 },
2338 { 0x01, 0xff95 },
2339 { 0x00, 0xba00 },
2340 { 0x04, 0xa800 },
2341 { 0x04, 0xf000 },
2342 { 0x03, 0xdf01 },
2343 { 0x02, 0xdf20 },
2344 { 0x01, 0x101a },
2345 { 0x00, 0xa0ff },
2346 { 0x04, 0xf800 },
2347 { 0x04, 0x0000 },
2348 { 0x1f, 0x0000 },
2349
2350 { 0x1f, 0x0001 },
2351 { 0x0b, 0x8480 },
2352 { 0x1f, 0x0000 },
2353
2354 { 0x1f, 0x0001 },
2355 { 0x18, 0x67c7 },
2356 { 0x04, 0x2000 },
2357 { 0x03, 0x002f },
2358 { 0x02, 0x4360 },
2359 { 0x01, 0x0109 },
2360 { 0x00, 0x3022 },
2361 { 0x04, 0x2800 },
2362 { 0x1f, 0x0000 },
2363
2364 { 0x1f, 0x0001 },
2365 { 0x17, 0x0cc0 },
2366 { 0x1f, 0x0000 }
2367 };
2368
2369 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2370 }
2371
2372 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2373 {
2374 static const struct phy_reg phy_reg_init[] = {
2375 { 0x10, 0xf41b },
2376 { 0x1f, 0x0000 }
2377 };
2378
2379 rtl_writephy(tp, 0x1f, 0x0001);
2380 rtl_patchphy(tp, 0x16, 1 << 0);
2381
2382 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2383 }
2384
2385 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2386 {
2387 static const struct phy_reg phy_reg_init[] = {
2388 { 0x1f, 0x0001 },
2389 { 0x10, 0xf41b },
2390 { 0x1f, 0x0000 }
2391 };
2392
2393 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2394 }
2395
2396 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2397 {
2398 static const struct phy_reg phy_reg_init[] = {
2399 { 0x1f, 0x0000 },
2400 { 0x1d, 0x0f00 },
2401 { 0x1f, 0x0002 },
2402 { 0x0c, 0x1ec8 },
2403 { 0x1f, 0x0000 }
2404 };
2405
2406 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2407 }
2408
2409 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2410 {
2411 static const struct phy_reg phy_reg_init[] = {
2412 { 0x1f, 0x0001 },
2413 { 0x1d, 0x3d98 },
2414 { 0x1f, 0x0000 }
2415 };
2416
2417 rtl_writephy(tp, 0x1f, 0x0000);
2418 rtl_patchphy(tp, 0x14, 1 << 5);
2419 rtl_patchphy(tp, 0x0d, 1 << 5);
2420
2421 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2422 }
2423
2424 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2425 {
2426 static const struct phy_reg phy_reg_init[] = {
2427 { 0x1f, 0x0001 },
2428 { 0x12, 0x2300 },
2429 { 0x1f, 0x0002 },
2430 { 0x00, 0x88d4 },
2431 { 0x01, 0x82b1 },
2432 { 0x03, 0x7002 },
2433 { 0x08, 0x9e30 },
2434 { 0x09, 0x01f0 },
2435 { 0x0a, 0x5500 },
2436 { 0x0c, 0x00c8 },
2437 { 0x1f, 0x0003 },
2438 { 0x12, 0xc096 },
2439 { 0x16, 0x000a },
2440 { 0x1f, 0x0000 },
2441 { 0x1f, 0x0000 },
2442 { 0x09, 0x2000 },
2443 { 0x09, 0x0000 }
2444 };
2445
2446 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2447
2448 rtl_patchphy(tp, 0x14, 1 << 5);
2449 rtl_patchphy(tp, 0x0d, 1 << 5);
2450 rtl_writephy(tp, 0x1f, 0x0000);
2451 }
2452
2453 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2454 {
2455 static const struct phy_reg phy_reg_init[] = {
2456 { 0x1f, 0x0001 },
2457 { 0x12, 0x2300 },
2458 { 0x03, 0x802f },
2459 { 0x02, 0x4f02 },
2460 { 0x01, 0x0409 },
2461 { 0x00, 0xf099 },
2462 { 0x04, 0x9800 },
2463 { 0x04, 0x9000 },
2464 { 0x1d, 0x3d98 },
2465 { 0x1f, 0x0002 },
2466 { 0x0c, 0x7eb8 },
2467 { 0x06, 0x0761 },
2468 { 0x1f, 0x0003 },
2469 { 0x16, 0x0f0a },
2470 { 0x1f, 0x0000 }
2471 };
2472
2473 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2474
2475 rtl_patchphy(tp, 0x16, 1 << 0);
2476 rtl_patchphy(tp, 0x14, 1 << 5);
2477 rtl_patchphy(tp, 0x0d, 1 << 5);
2478 rtl_writephy(tp, 0x1f, 0x0000);
2479 }
2480
2481 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2482 {
2483 static const struct phy_reg phy_reg_init[] = {
2484 { 0x1f, 0x0001 },
2485 { 0x12, 0x2300 },
2486 { 0x1d, 0x3d98 },
2487 { 0x1f, 0x0002 },
2488 { 0x0c, 0x7eb8 },
2489 { 0x06, 0x5461 },
2490 { 0x1f, 0x0003 },
2491 { 0x16, 0x0f0a },
2492 { 0x1f, 0x0000 }
2493 };
2494
2495 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2496
2497 rtl_patchphy(tp, 0x16, 1 << 0);
2498 rtl_patchphy(tp, 0x14, 1 << 5);
2499 rtl_patchphy(tp, 0x0d, 1 << 5);
2500 rtl_writephy(tp, 0x1f, 0x0000);
2501 }
2502
2503 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2504 {
2505 rtl8168c_3_hw_phy_config(tp);
2506 }
2507
2508 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2509 {
2510 static const struct phy_reg phy_reg_init_0[] = {
2511 /* Channel Estimation */
2512 { 0x1f, 0x0001 },
2513 { 0x06, 0x4064 },
2514 { 0x07, 0x2863 },
2515 { 0x08, 0x059c },
2516 { 0x09, 0x26b4 },
2517 { 0x0a, 0x6a19 },
2518 { 0x0b, 0xdcc8 },
2519 { 0x10, 0xf06d },
2520 { 0x14, 0x7f68 },
2521 { 0x18, 0x7fd9 },
2522 { 0x1c, 0xf0ff },
2523 { 0x1d, 0x3d9c },
2524 { 0x1f, 0x0003 },
2525 { 0x12, 0xf49f },
2526 { 0x13, 0x070b },
2527 { 0x1a, 0x05ad },
2528 { 0x14, 0x94c0 },
2529
2530 /*
2531 * Tx Error Issue
2532 * Enhance line driver power
2533 */
2534 { 0x1f, 0x0002 },
2535 { 0x06, 0x5561 },
2536 { 0x1f, 0x0005 },
2537 { 0x05, 0x8332 },
2538 { 0x06, 0x5561 },
2539
2540 /*
2541 * Can not link to 1Gbps with bad cable
2542 * Decrease SNR threshold form 21.07dB to 19.04dB
2543 */
2544 { 0x1f, 0x0001 },
2545 { 0x17, 0x0cc0 },
2546
2547 { 0x1f, 0x0000 },
2548 { 0x0d, 0xf880 }
2549 };
2550 void __iomem *ioaddr = tp->mmio_addr;
2551
2552 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2553
2554 /*
2555 * Rx Error Issue
2556 * Fine Tune Switching regulator parameter
2557 */
2558 rtl_writephy(tp, 0x1f, 0x0002);
2559 rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
2560 rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2561
2562 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2563 static const struct phy_reg phy_reg_init[] = {
2564 { 0x1f, 0x0002 },
2565 { 0x05, 0x669a },
2566 { 0x1f, 0x0005 },
2567 { 0x05, 0x8330 },
2568 { 0x06, 0x669a },
2569 { 0x1f, 0x0002 }
2570 };
2571 int val;
2572
2573 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2574
2575 val = rtl_readphy(tp, 0x0d);
2576
2577 if ((val & 0x00ff) != 0x006c) {
2578 static const u32 set[] = {
2579 0x0065, 0x0066, 0x0067, 0x0068,
2580 0x0069, 0x006a, 0x006b, 0x006c
2581 };
2582 int i;
2583
2584 rtl_writephy(tp, 0x1f, 0x0002);
2585
2586 val &= 0xff00;
2587 for (i = 0; i < ARRAY_SIZE(set); i++)
2588 rtl_writephy(tp, 0x0d, val | set[i]);
2589 }
2590 } else {
2591 static const struct phy_reg phy_reg_init[] = {
2592 { 0x1f, 0x0002 },
2593 { 0x05, 0x6662 },
2594 { 0x1f, 0x0005 },
2595 { 0x05, 0x8330 },
2596 { 0x06, 0x6662 }
2597 };
2598
2599 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2600 }
2601
2602 /* RSET couple improve */
2603 rtl_writephy(tp, 0x1f, 0x0002);
2604 rtl_patchphy(tp, 0x0d, 0x0300);
2605 rtl_patchphy(tp, 0x0f, 0x0010);
2606
2607 /* Fine tune PLL performance */
2608 rtl_writephy(tp, 0x1f, 0x0002);
2609 rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2610 rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2611
2612 rtl_writephy(tp, 0x1f, 0x0005);
2613 rtl_writephy(tp, 0x05, 0x001b);
2614
2615 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2616
2617 rtl_writephy(tp, 0x1f, 0x0000);
2618 }
2619
2620 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2621 {
2622 static const struct phy_reg phy_reg_init_0[] = {
2623 /* Channel Estimation */
2624 { 0x1f, 0x0001 },
2625 { 0x06, 0x4064 },
2626 { 0x07, 0x2863 },
2627 { 0x08, 0x059c },
2628 { 0x09, 0x26b4 },
2629 { 0x0a, 0x6a19 },
2630 { 0x0b, 0xdcc8 },
2631 { 0x10, 0xf06d },
2632 { 0x14, 0x7f68 },
2633 { 0x18, 0x7fd9 },
2634 { 0x1c, 0xf0ff },
2635 { 0x1d, 0x3d9c },
2636 { 0x1f, 0x0003 },
2637 { 0x12, 0xf49f },
2638 { 0x13, 0x070b },
2639 { 0x1a, 0x05ad },
2640 { 0x14, 0x94c0 },
2641
2642 /*
2643 * Tx Error Issue
2644 * Enhance line driver power
2645 */
2646 { 0x1f, 0x0002 },
2647 { 0x06, 0x5561 },
2648 { 0x1f, 0x0005 },
2649 { 0x05, 0x8332 },
2650 { 0x06, 0x5561 },
2651
2652 /*
2653 * Can not link to 1Gbps with bad cable
2654 * Decrease SNR threshold form 21.07dB to 19.04dB
2655 */
2656 { 0x1f, 0x0001 },
2657 { 0x17, 0x0cc0 },
2658
2659 { 0x1f, 0x0000 },
2660 { 0x0d, 0xf880 }
2661 };
2662 void __iomem *ioaddr = tp->mmio_addr;
2663
2664 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2665
2666 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2667 static const struct phy_reg phy_reg_init[] = {
2668 { 0x1f, 0x0002 },
2669 { 0x05, 0x669a },
2670 { 0x1f, 0x0005 },
2671 { 0x05, 0x8330 },
2672 { 0x06, 0x669a },
2673
2674 { 0x1f, 0x0002 }
2675 };
2676 int val;
2677
2678 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2679
2680 val = rtl_readphy(tp, 0x0d);
2681 if ((val & 0x00ff) != 0x006c) {
2682 static const u32 set[] = {
2683 0x0065, 0x0066, 0x0067, 0x0068,
2684 0x0069, 0x006a, 0x006b, 0x006c
2685 };
2686 int i;
2687
2688 rtl_writephy(tp, 0x1f, 0x0002);
2689
2690 val &= 0xff00;
2691 for (i = 0; i < ARRAY_SIZE(set); i++)
2692 rtl_writephy(tp, 0x0d, val | set[i]);
2693 }
2694 } else {
2695 static const struct phy_reg phy_reg_init[] = {
2696 { 0x1f, 0x0002 },
2697 { 0x05, 0x2642 },
2698 { 0x1f, 0x0005 },
2699 { 0x05, 0x8330 },
2700 { 0x06, 0x2642 }
2701 };
2702
2703 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2704 }
2705
2706 /* Fine tune PLL performance */
2707 rtl_writephy(tp, 0x1f, 0x0002);
2708 rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2709 rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2710
2711 /* Switching regulator Slew rate */
2712 rtl_writephy(tp, 0x1f, 0x0002);
2713 rtl_patchphy(tp, 0x0f, 0x0017);
2714
2715 rtl_writephy(tp, 0x1f, 0x0005);
2716 rtl_writephy(tp, 0x05, 0x001b);
2717
2718 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2719
2720 rtl_writephy(tp, 0x1f, 0x0000);
2721 }
2722
2723 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2724 {
2725 static const struct phy_reg phy_reg_init[] = {
2726 { 0x1f, 0x0002 },
2727 { 0x10, 0x0008 },
2728 { 0x0d, 0x006c },
2729
2730 { 0x1f, 0x0000 },
2731 { 0x0d, 0xf880 },
2732
2733 { 0x1f, 0x0001 },
2734 { 0x17, 0x0cc0 },
2735
2736 { 0x1f, 0x0001 },
2737 { 0x0b, 0xa4d8 },
2738 { 0x09, 0x281c },
2739 { 0x07, 0x2883 },
2740 { 0x0a, 0x6b35 },
2741 { 0x1d, 0x3da4 },
2742 { 0x1c, 0xeffd },
2743 { 0x14, 0x7f52 },
2744 { 0x18, 0x7fc6 },
2745 { 0x08, 0x0601 },
2746 { 0x06, 0x4063 },
2747 { 0x10, 0xf074 },
2748 { 0x1f, 0x0003 },
2749 { 0x13, 0x0789 },
2750 { 0x12, 0xf4bd },
2751 { 0x1a, 0x04fd },
2752 { 0x14, 0x84b0 },
2753 { 0x1f, 0x0000 },
2754 { 0x00, 0x9200 },
2755
2756 { 0x1f, 0x0005 },
2757 { 0x01, 0x0340 },
2758 { 0x1f, 0x0001 },
2759 { 0x04, 0x4000 },
2760 { 0x03, 0x1d21 },
2761 { 0x02, 0x0c32 },
2762 { 0x01, 0x0200 },
2763 { 0x00, 0x5554 },
2764 { 0x04, 0x4800 },
2765 { 0x04, 0x4000 },
2766 { 0x04, 0xf000 },
2767 { 0x03, 0xdf01 },
2768 { 0x02, 0xdf20 },
2769 { 0x01, 0x101a },
2770 { 0x00, 0xa0ff },
2771 { 0x04, 0xf800 },
2772 { 0x04, 0xf000 },
2773 { 0x1f, 0x0000 },
2774
2775 { 0x1f, 0x0007 },
2776 { 0x1e, 0x0023 },
2777 { 0x16, 0x0000 },
2778 { 0x1f, 0x0000 }
2779 };
2780
2781 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2782 }
2783
2784 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
2785 {
2786 static const struct phy_reg phy_reg_init[] = {
2787 { 0x1f, 0x0001 },
2788 { 0x17, 0x0cc0 },
2789
2790 { 0x1f, 0x0007 },
2791 { 0x1e, 0x002d },
2792 { 0x18, 0x0040 },
2793 { 0x1f, 0x0000 }
2794 };
2795
2796 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2797 rtl_patchphy(tp, 0x0d, 1 << 5);
2798 }
2799
2800 static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
2801 {
2802 static const struct phy_reg phy_reg_init[] = {
2803 /* Enable Delay cap */
2804 { 0x1f, 0x0005 },
2805 { 0x05, 0x8b80 },
2806 { 0x06, 0xc896 },
2807 { 0x1f, 0x0000 },
2808
2809 /* Channel estimation fine tune */
2810 { 0x1f, 0x0001 },
2811 { 0x0b, 0x6c20 },
2812 { 0x07, 0x2872 },
2813 { 0x1c, 0xefff },
2814 { 0x1f, 0x0003 },
2815 { 0x14, 0x6420 },
2816 { 0x1f, 0x0000 },
2817
2818 /* Update PFM & 10M TX idle timer */
2819 { 0x1f, 0x0007 },
2820 { 0x1e, 0x002f },
2821 { 0x15, 0x1919 },
2822 { 0x1f, 0x0000 },
2823
2824 { 0x1f, 0x0007 },
2825 { 0x1e, 0x00ac },
2826 { 0x18, 0x0006 },
2827 { 0x1f, 0x0000 }
2828 };
2829
2830 rtl_apply_firmware(tp);
2831
2832 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2833
2834 /* DCO enable for 10M IDLE Power */
2835 rtl_writephy(tp, 0x1f, 0x0007);
2836 rtl_writephy(tp, 0x1e, 0x0023);
2837 rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2838 rtl_writephy(tp, 0x1f, 0x0000);
2839
2840 /* For impedance matching */
2841 rtl_writephy(tp, 0x1f, 0x0002);
2842 rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
2843 rtl_writephy(tp, 0x1f, 0x0000);
2844
2845 /* PHY auto speed down */
2846 rtl_writephy(tp, 0x1f, 0x0007);
2847 rtl_writephy(tp, 0x1e, 0x002d);
2848 rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
2849 rtl_writephy(tp, 0x1f, 0x0000);
2850 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2851
2852 rtl_writephy(tp, 0x1f, 0x0005);
2853 rtl_writephy(tp, 0x05, 0x8b86);
2854 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2855 rtl_writephy(tp, 0x1f, 0x0000);
2856
2857 rtl_writephy(tp, 0x1f, 0x0005);
2858 rtl_writephy(tp, 0x05, 0x8b85);
2859 rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2860 rtl_writephy(tp, 0x1f, 0x0007);
2861 rtl_writephy(tp, 0x1e, 0x0020);
2862 rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
2863 rtl_writephy(tp, 0x1f, 0x0006);
2864 rtl_writephy(tp, 0x00, 0x5a00);
2865 rtl_writephy(tp, 0x1f, 0x0000);
2866 rtl_writephy(tp, 0x0d, 0x0007);
2867 rtl_writephy(tp, 0x0e, 0x003c);
2868 rtl_writephy(tp, 0x0d, 0x4007);
2869 rtl_writephy(tp, 0x0e, 0x0000);
2870 rtl_writephy(tp, 0x0d, 0x0000);
2871 }
2872
2873 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
2874 {
2875 static const struct phy_reg phy_reg_init[] = {
2876 /* Enable Delay cap */
2877 { 0x1f, 0x0004 },
2878 { 0x1f, 0x0007 },
2879 { 0x1e, 0x00ac },
2880 { 0x18, 0x0006 },
2881 { 0x1f, 0x0002 },
2882 { 0x1f, 0x0000 },
2883 { 0x1f, 0x0000 },
2884
2885 /* Channel estimation fine tune */
2886 { 0x1f, 0x0003 },
2887 { 0x09, 0xa20f },
2888 { 0x1f, 0x0000 },
2889 { 0x1f, 0x0000 },
2890
2891 /* Green Setting */
2892 { 0x1f, 0x0005 },
2893 { 0x05, 0x8b5b },
2894 { 0x06, 0x9222 },
2895 { 0x05, 0x8b6d },
2896 { 0x06, 0x8000 },
2897 { 0x05, 0x8b76 },
2898 { 0x06, 0x8000 },
2899 { 0x1f, 0x0000 }
2900 };
2901
2902 rtl_apply_firmware(tp);
2903
2904 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2905
2906 /* For 4-corner performance improve */
2907 rtl_writephy(tp, 0x1f, 0x0005);
2908 rtl_writephy(tp, 0x05, 0x8b80);
2909 rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2910 rtl_writephy(tp, 0x1f, 0x0000);
2911
2912 /* PHY auto speed down */
2913 rtl_writephy(tp, 0x1f, 0x0004);
2914 rtl_writephy(tp, 0x1f, 0x0007);
2915 rtl_writephy(tp, 0x1e, 0x002d);
2916 rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
2917 rtl_writephy(tp, 0x1f, 0x0002);
2918 rtl_writephy(tp, 0x1f, 0x0000);
2919 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2920
2921 /* improve 10M EEE waveform */
2922 rtl_writephy(tp, 0x1f, 0x0005);
2923 rtl_writephy(tp, 0x05, 0x8b86);
2924 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2925 rtl_writephy(tp, 0x1f, 0x0000);
2926
2927 /* Improve 2-pair detection performance */
2928 rtl_writephy(tp, 0x1f, 0x0005);
2929 rtl_writephy(tp, 0x05, 0x8b85);
2930 rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
2931 rtl_writephy(tp, 0x1f, 0x0000);
2932
2933 /* EEE setting */
2934 rtl_w1w0_eri(tp->mmio_addr, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003,
2935 ERIAR_EXGMAC);
2936 rtl_writephy(tp, 0x1f, 0x0005);
2937 rtl_writephy(tp, 0x05, 0x8b85);
2938 rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2939 rtl_writephy(tp, 0x1f, 0x0004);
2940 rtl_writephy(tp, 0x1f, 0x0007);
2941 rtl_writephy(tp, 0x1e, 0x0020);
2942 rtl_w1w0_phy(tp, 0x15, 0x0000, 0x0100);
2943 rtl_writephy(tp, 0x1f, 0x0002);
2944 rtl_writephy(tp, 0x1f, 0x0000);
2945 rtl_writephy(tp, 0x0d, 0x0007);
2946 rtl_writephy(tp, 0x0e, 0x003c);
2947 rtl_writephy(tp, 0x0d, 0x4007);
2948 rtl_writephy(tp, 0x0e, 0x0000);
2949 rtl_writephy(tp, 0x0d, 0x0000);
2950
2951 /* Green feature */
2952 rtl_writephy(tp, 0x1f, 0x0003);
2953 rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
2954 rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
2955 rtl_writephy(tp, 0x1f, 0x0000);
2956 }
2957
2958 static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp)
2959 {
2960 static const struct phy_reg phy_reg_init[] = {
2961 /* Channel estimation fine tune */
2962 { 0x1f, 0x0003 },
2963 { 0x09, 0xa20f },
2964 { 0x1f, 0x0000 },
2965
2966 /* Modify green table for giga & fnet */
2967 { 0x1f, 0x0005 },
2968 { 0x05, 0x8b55 },
2969 { 0x06, 0x0000 },
2970 { 0x05, 0x8b5e },
2971 { 0x06, 0x0000 },
2972 { 0x05, 0x8b67 },
2973 { 0x06, 0x0000 },
2974 { 0x05, 0x8b70 },
2975 { 0x06, 0x0000 },
2976 { 0x1f, 0x0000 },
2977 { 0x1f, 0x0007 },
2978 { 0x1e, 0x0078 },
2979 { 0x17, 0x0000 },
2980 { 0x19, 0x00fb },
2981 { 0x1f, 0x0000 },
2982
2983 /* Modify green table for 10M */
2984 { 0x1f, 0x0005 },
2985 { 0x05, 0x8b79 },
2986 { 0x06, 0xaa00 },
2987 { 0x1f, 0x0000 },
2988
2989 /* Disable hiimpedance detection (RTCT) */
2990 { 0x1f, 0x0003 },
2991 { 0x01, 0x328a },
2992 { 0x1f, 0x0000 }
2993 };
2994
2995 rtl_apply_firmware(tp);
2996
2997 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2998
2999 /* For 4-corner performance improve */
3000 rtl_writephy(tp, 0x1f, 0x0005);
3001 rtl_writephy(tp, 0x05, 0x8b80);
3002 rtl_w1w0_phy(tp, 0x06, 0x0006, 0x0000);
3003 rtl_writephy(tp, 0x1f, 0x0000);
3004
3005 /* PHY auto speed down */
3006 rtl_writephy(tp, 0x1f, 0x0007);
3007 rtl_writephy(tp, 0x1e, 0x002d);
3008 rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
3009 rtl_writephy(tp, 0x1f, 0x0000);
3010 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3011
3012 /* Improve 10M EEE waveform */
3013 rtl_writephy(tp, 0x1f, 0x0005);
3014 rtl_writephy(tp, 0x05, 0x8b86);
3015 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
3016 rtl_writephy(tp, 0x1f, 0x0000);
3017
3018 /* Improve 2-pair detection performance */
3019 rtl_writephy(tp, 0x1f, 0x0005);
3020 rtl_writephy(tp, 0x05, 0x8b85);
3021 rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
3022 rtl_writephy(tp, 0x1f, 0x0000);
3023 }
3024
3025 static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp)
3026 {
3027 rtl_apply_firmware(tp);
3028
3029 /* For 4-corner performance improve */
3030 rtl_writephy(tp, 0x1f, 0x0005);
3031 rtl_writephy(tp, 0x05, 0x8b80);
3032 rtl_w1w0_phy(tp, 0x06, 0x0006, 0x0000);
3033 rtl_writephy(tp, 0x1f, 0x0000);
3034
3035 /* PHY auto speed down */
3036 rtl_writephy(tp, 0x1f, 0x0007);
3037 rtl_writephy(tp, 0x1e, 0x002d);
3038 rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
3039 rtl_writephy(tp, 0x1f, 0x0000);
3040 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3041
3042 /* Improve 10M EEE waveform */
3043 rtl_writephy(tp, 0x1f, 0x0005);
3044 rtl_writephy(tp, 0x05, 0x8b86);
3045 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
3046 rtl_writephy(tp, 0x1f, 0x0000);
3047 }
3048
3049 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
3050 {
3051 static const struct phy_reg phy_reg_init[] = {
3052 { 0x1f, 0x0003 },
3053 { 0x08, 0x441d },
3054 { 0x01, 0x9100 },
3055 { 0x1f, 0x0000 }
3056 };
3057
3058 rtl_writephy(tp, 0x1f, 0x0000);
3059 rtl_patchphy(tp, 0x11, 1 << 12);
3060 rtl_patchphy(tp, 0x19, 1 << 13);
3061 rtl_patchphy(tp, 0x10, 1 << 15);
3062
3063 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3064 }
3065
3066 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
3067 {
3068 static const struct phy_reg phy_reg_init[] = {
3069 { 0x1f, 0x0005 },
3070 { 0x1a, 0x0000 },
3071 { 0x1f, 0x0000 },
3072
3073 { 0x1f, 0x0004 },
3074 { 0x1c, 0x0000 },
3075 { 0x1f, 0x0000 },
3076
3077 { 0x1f, 0x0001 },
3078 { 0x15, 0x7701 },
3079 { 0x1f, 0x0000 }
3080 };
3081
3082 /* Disable ALDPS before ram code */
3083 rtl_writephy(tp, 0x1f, 0x0000);
3084 rtl_writephy(tp, 0x18, 0x0310);
3085 msleep(100);
3086
3087 rtl_apply_firmware(tp);
3088
3089 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3090 }
3091
3092 static void rtl_hw_phy_config(struct net_device *dev)
3093 {
3094 struct rtl8169_private *tp = netdev_priv(dev);
3095
3096 rtl8169_print_mac_version(tp);
3097
3098 switch (tp->mac_version) {
3099 case RTL_GIGA_MAC_VER_01:
3100 break;
3101 case RTL_GIGA_MAC_VER_02:
3102 case RTL_GIGA_MAC_VER_03:
3103 rtl8169s_hw_phy_config(tp);
3104 break;
3105 case RTL_GIGA_MAC_VER_04:
3106 rtl8169sb_hw_phy_config(tp);
3107 break;
3108 case RTL_GIGA_MAC_VER_05:
3109 rtl8169scd_hw_phy_config(tp);
3110 break;
3111 case RTL_GIGA_MAC_VER_06:
3112 rtl8169sce_hw_phy_config(tp);
3113 break;
3114 case RTL_GIGA_MAC_VER_07:
3115 case RTL_GIGA_MAC_VER_08:
3116 case RTL_GIGA_MAC_VER_09:
3117 rtl8102e_hw_phy_config(tp);
3118 break;
3119 case RTL_GIGA_MAC_VER_11:
3120 rtl8168bb_hw_phy_config(tp);
3121 break;
3122 case RTL_GIGA_MAC_VER_12:
3123 rtl8168bef_hw_phy_config(tp);
3124 break;
3125 case RTL_GIGA_MAC_VER_17:
3126 rtl8168bef_hw_phy_config(tp);
3127 break;
3128 case RTL_GIGA_MAC_VER_18:
3129 rtl8168cp_1_hw_phy_config(tp);
3130 break;
3131 case RTL_GIGA_MAC_VER_19:
3132 rtl8168c_1_hw_phy_config(tp);
3133 break;
3134 case RTL_GIGA_MAC_VER_20:
3135 rtl8168c_2_hw_phy_config(tp);
3136 break;
3137 case RTL_GIGA_MAC_VER_21:
3138 rtl8168c_3_hw_phy_config(tp);
3139 break;
3140 case RTL_GIGA_MAC_VER_22:
3141 rtl8168c_4_hw_phy_config(tp);
3142 break;
3143 case RTL_GIGA_MAC_VER_23:
3144 case RTL_GIGA_MAC_VER_24:
3145 rtl8168cp_2_hw_phy_config(tp);
3146 break;
3147 case RTL_GIGA_MAC_VER_25:
3148 rtl8168d_1_hw_phy_config(tp);
3149 break;
3150 case RTL_GIGA_MAC_VER_26:
3151 rtl8168d_2_hw_phy_config(tp);
3152 break;
3153 case RTL_GIGA_MAC_VER_27:
3154 rtl8168d_3_hw_phy_config(tp);
3155 break;
3156 case RTL_GIGA_MAC_VER_28:
3157 rtl8168d_4_hw_phy_config(tp);
3158 break;
3159 case RTL_GIGA_MAC_VER_29:
3160 case RTL_GIGA_MAC_VER_30:
3161 rtl8105e_hw_phy_config(tp);
3162 break;
3163 case RTL_GIGA_MAC_VER_31:
3164 /* None. */
3165 break;
3166 case RTL_GIGA_MAC_VER_32:
3167 case RTL_GIGA_MAC_VER_33:
3168 rtl8168e_1_hw_phy_config(tp);
3169 break;
3170 case RTL_GIGA_MAC_VER_34:
3171 rtl8168e_2_hw_phy_config(tp);
3172 break;
3173 case RTL_GIGA_MAC_VER_35:
3174 rtl8168f_1_hw_phy_config(tp);
3175 break;
3176 case RTL_GIGA_MAC_VER_36:
3177 rtl8168f_2_hw_phy_config(tp);
3178 break;
3179
3180 default:
3181 break;
3182 }
3183 }
3184
3185 static void rtl8169_phy_timer(unsigned long __opaque)
3186 {
3187 struct net_device *dev = (struct net_device *)__opaque;
3188 struct rtl8169_private *tp = netdev_priv(dev);
3189 struct timer_list *timer = &tp->timer;
3190 void __iomem *ioaddr = tp->mmio_addr;
3191 unsigned long timeout = RTL8169_PHY_TIMEOUT;
3192
3193 assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
3194
3195 spin_lock_irq(&tp->lock);
3196
3197 if (tp->phy_reset_pending(tp)) {
3198 /*
3199 * A busy loop could burn quite a few cycles on nowadays CPU.
3200 * Let's delay the execution of the timer for a few ticks.
3201 */
3202 timeout = HZ/10;
3203 goto out_mod_timer;
3204 }
3205
3206 if (tp->link_ok(ioaddr))
3207 goto out_unlock;
3208
3209 netif_warn(tp, link, dev, "PHY reset until link up\n");
3210
3211 tp->phy_reset_enable(tp);
3212
3213 out_mod_timer:
3214 mod_timer(timer, jiffies + timeout);
3215 out_unlock:
3216 spin_unlock_irq(&tp->lock);
3217 }
3218
3219 #ifdef CONFIG_NET_POLL_CONTROLLER
3220 /*
3221 * Polling 'interrupt' - used by things like netconsole to send skbs
3222 * without having to re-enable interrupts. It's not called while
3223 * the interrupt routine is executing.
3224 */
3225 static void rtl8169_netpoll(struct net_device *dev)
3226 {
3227 struct rtl8169_private *tp = netdev_priv(dev);
3228 struct pci_dev *pdev = tp->pci_dev;
3229
3230 disable_irq(pdev->irq);
3231 rtl8169_interrupt(pdev->irq, dev);
3232 enable_irq(pdev->irq);
3233 }
3234 #endif
3235
3236 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
3237 void __iomem *ioaddr)
3238 {
3239 iounmap(ioaddr);
3240 pci_release_regions(pdev);
3241 pci_clear_mwi(pdev);
3242 pci_disable_device(pdev);
3243 free_netdev(dev);
3244 }
3245
3246 static void rtl8169_phy_reset(struct net_device *dev,
3247 struct rtl8169_private *tp)
3248 {
3249 unsigned int i;
3250
3251 tp->phy_reset_enable(tp);
3252 for (i = 0; i < 100; i++) {
3253 if (!tp->phy_reset_pending(tp))
3254 return;
3255 msleep(1);
3256 }
3257 netif_err(tp, link, dev, "PHY reset failed\n");
3258 }
3259
3260 static bool rtl_tbi_enabled(struct rtl8169_private *tp)
3261 {
3262 void __iomem *ioaddr = tp->mmio_addr;
3263
3264 return (tp->mac_version == RTL_GIGA_MAC_VER_01) &&
3265 (RTL_R8(PHYstatus) & TBI_Enable);
3266 }
3267
3268 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3269 {
3270 void __iomem *ioaddr = tp->mmio_addr;
3271
3272 rtl_hw_phy_config(dev);
3273
3274 if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3275 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3276 RTL_W8(0x82, 0x01);
3277 }
3278
3279 pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3280
3281 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
3282 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3283
3284 if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
3285 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3286 RTL_W8(0x82, 0x01);
3287 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
3288 rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
3289 }
3290
3291 rtl8169_phy_reset(dev, tp);
3292
3293 rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3294 ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3295 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3296 (tp->mii.supports_gmii ?
3297 ADVERTISED_1000baseT_Half |
3298 ADVERTISED_1000baseT_Full : 0));
3299
3300 if (rtl_tbi_enabled(tp))
3301 netif_info(tp, link, dev, "TBI auto-negotiating\n");
3302 }
3303
3304 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3305 {
3306 void __iomem *ioaddr = tp->mmio_addr;
3307 u32 high;
3308 u32 low;
3309
3310 low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3311 high = addr[4] | (addr[5] << 8);
3312
3313 spin_lock_irq(&tp->lock);
3314
3315 RTL_W8(Cfg9346, Cfg9346_Unlock);
3316
3317 RTL_W32(MAC4, high);
3318 RTL_R32(MAC4);
3319
3320 RTL_W32(MAC0, low);
3321 RTL_R32(MAC0);
3322
3323 if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
3324 const struct exgmac_reg e[] = {
3325 { .addr = 0xe0, ERIAR_MASK_1111, .val = low },
3326 { .addr = 0xe4, ERIAR_MASK_1111, .val = high },
3327 { .addr = 0xf0, ERIAR_MASK_1111, .val = low << 16 },
3328 { .addr = 0xf4, ERIAR_MASK_1111, .val = high << 16 |
3329 low >> 16 },
3330 };
3331
3332 rtl_write_exgmac_batch(ioaddr, e, ARRAY_SIZE(e));
3333 }
3334
3335 RTL_W8(Cfg9346, Cfg9346_Lock);
3336
3337 spin_unlock_irq(&tp->lock);
3338 }
3339
3340 static int rtl_set_mac_address(struct net_device *dev, void *p)
3341 {
3342 struct rtl8169_private *tp = netdev_priv(dev);
3343 struct sockaddr *addr = p;
3344
3345 if (!is_valid_ether_addr(addr->sa_data))
3346 return -EADDRNOTAVAIL;
3347
3348 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3349
3350 rtl_rar_set(tp, dev->dev_addr);
3351
3352 return 0;
3353 }
3354
3355 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3356 {
3357 struct rtl8169_private *tp = netdev_priv(dev);
3358 struct mii_ioctl_data *data = if_mii(ifr);
3359
3360 return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
3361 }
3362
3363 static int rtl_xmii_ioctl(struct rtl8169_private *tp,
3364 struct mii_ioctl_data *data, int cmd)
3365 {
3366 switch (cmd) {
3367 case SIOCGMIIPHY:
3368 data->phy_id = 32; /* Internal PHY */
3369 return 0;
3370
3371 case SIOCGMIIREG:
3372 data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
3373 return 0;
3374
3375 case SIOCSMIIREG:
3376 rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
3377 return 0;
3378 }
3379 return -EOPNOTSUPP;
3380 }
3381
3382 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
3383 {
3384 return -EOPNOTSUPP;
3385 }
3386
3387 static const struct rtl_cfg_info {
3388 void (*hw_start)(struct net_device *);
3389 unsigned int region;
3390 unsigned int align;
3391 u16 intr_event;
3392 u16 napi_event;
3393 unsigned features;
3394 u8 default_ver;
3395 } rtl_cfg_infos [] = {
3396 [RTL_CFG_0] = {
3397 .hw_start = rtl_hw_start_8169,
3398 .region = 1,
3399 .align = 0,
3400 .intr_event = SYSErr | LinkChg | RxOverflow |
3401 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3402 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3403 .features = RTL_FEATURE_GMII,
3404 .default_ver = RTL_GIGA_MAC_VER_01,
3405 },
3406 [RTL_CFG_1] = {
3407 .hw_start = rtl_hw_start_8168,
3408 .region = 2,
3409 .align = 8,
3410 .intr_event = SYSErr | LinkChg | RxOverflow |
3411 TxErr | TxOK | RxOK | RxErr,
3412 .napi_event = TxErr | TxOK | RxOK | RxOverflow,
3413 .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
3414 .default_ver = RTL_GIGA_MAC_VER_11,
3415 },
3416 [RTL_CFG_2] = {
3417 .hw_start = rtl_hw_start_8101,
3418 .region = 2,
3419 .align = 8,
3420 .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout |
3421 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3422 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3423 .features = RTL_FEATURE_MSI,
3424 .default_ver = RTL_GIGA_MAC_VER_13,
3425 }
3426 };
3427
3428 /* Cfg9346_Unlock assumed. */
3429 static unsigned rtl_try_msi(struct rtl8169_private *tp,
3430 const struct rtl_cfg_info *cfg)
3431 {
3432 void __iomem *ioaddr = tp->mmio_addr;
3433 unsigned msi = 0;
3434 u8 cfg2;
3435
3436 cfg2 = RTL_R8(Config2) & ~MSIEnable;
3437 if (cfg->features & RTL_FEATURE_MSI) {
3438 if (pci_enable_msi(tp->pci_dev)) {
3439 netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
3440 } else {
3441 cfg2 |= MSIEnable;
3442 msi = RTL_FEATURE_MSI;
3443 }
3444 }
3445 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
3446 RTL_W8(Config2, cfg2);
3447 return msi;
3448 }
3449
3450 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
3451 {
3452 if (tp->features & RTL_FEATURE_MSI) {
3453 pci_disable_msi(pdev);
3454 tp->features &= ~RTL_FEATURE_MSI;
3455 }
3456 }
3457
3458 static const struct net_device_ops rtl8169_netdev_ops = {
3459 .ndo_open = rtl8169_open,
3460 .ndo_stop = rtl8169_close,
3461 .ndo_get_stats = rtl8169_get_stats,
3462 .ndo_start_xmit = rtl8169_start_xmit,
3463 .ndo_tx_timeout = rtl8169_tx_timeout,
3464 .ndo_validate_addr = eth_validate_addr,
3465 .ndo_change_mtu = rtl8169_change_mtu,
3466 .ndo_fix_features = rtl8169_fix_features,
3467 .ndo_set_features = rtl8169_set_features,
3468 .ndo_set_mac_address = rtl_set_mac_address,
3469 .ndo_do_ioctl = rtl8169_ioctl,
3470 .ndo_set_rx_mode = rtl_set_rx_mode,
3471 #ifdef CONFIG_NET_POLL_CONTROLLER
3472 .ndo_poll_controller = rtl8169_netpoll,
3473 #endif
3474
3475 };
3476
3477 static void __devinit rtl_init_mdio_ops(struct rtl8169_private *tp)
3478 {
3479 struct mdio_ops *ops = &tp->mdio_ops;
3480
3481 switch (tp->mac_version) {
3482 case RTL_GIGA_MAC_VER_27:
3483 ops->write = r8168dp_1_mdio_write;
3484 ops->read = r8168dp_1_mdio_read;
3485 break;
3486 case RTL_GIGA_MAC_VER_28:
3487 case RTL_GIGA_MAC_VER_31:
3488 ops->write = r8168dp_2_mdio_write;
3489 ops->read = r8168dp_2_mdio_read;
3490 break;
3491 default:
3492 ops->write = r8169_mdio_write;
3493 ops->read = r8169_mdio_read;
3494 break;
3495 }
3496 }
3497
3498 static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
3499 {
3500 void __iomem *ioaddr = tp->mmio_addr;
3501
3502 switch (tp->mac_version) {
3503 case RTL_GIGA_MAC_VER_29:
3504 case RTL_GIGA_MAC_VER_30:
3505 case RTL_GIGA_MAC_VER_32:
3506 case RTL_GIGA_MAC_VER_33:
3507 case RTL_GIGA_MAC_VER_34:
3508 RTL_W32(RxConfig, RTL_R32(RxConfig) |
3509 AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
3510 break;
3511 default:
3512 break;
3513 }
3514 }
3515
3516 static bool rtl_wol_pll_power_down(struct rtl8169_private *tp)
3517 {
3518 if (!(__rtl8169_get_wol(tp) & WAKE_ANY))
3519 return false;
3520
3521 rtl_writephy(tp, 0x1f, 0x0000);
3522 rtl_writephy(tp, MII_BMCR, 0x0000);
3523
3524 rtl_wol_suspend_quirk(tp);
3525
3526 return true;
3527 }
3528
3529 static void r810x_phy_power_down(struct rtl8169_private *tp)
3530 {
3531 rtl_writephy(tp, 0x1f, 0x0000);
3532 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3533 }
3534
3535 static void r810x_phy_power_up(struct rtl8169_private *tp)
3536 {
3537 rtl_writephy(tp, 0x1f, 0x0000);
3538 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3539 }
3540
3541 static void r810x_pll_power_down(struct rtl8169_private *tp)
3542 {
3543 if (rtl_wol_pll_power_down(tp))
3544 return;
3545
3546 r810x_phy_power_down(tp);
3547 }
3548
3549 static void r810x_pll_power_up(struct rtl8169_private *tp)
3550 {
3551 r810x_phy_power_up(tp);
3552 }
3553
3554 static void r8168_phy_power_up(struct rtl8169_private *tp)
3555 {
3556 rtl_writephy(tp, 0x1f, 0x0000);
3557 switch (tp->mac_version) {
3558 case RTL_GIGA_MAC_VER_11:
3559 case RTL_GIGA_MAC_VER_12:
3560 case RTL_GIGA_MAC_VER_17:
3561 case RTL_GIGA_MAC_VER_18:
3562 case RTL_GIGA_MAC_VER_19:
3563 case RTL_GIGA_MAC_VER_20:
3564 case RTL_GIGA_MAC_VER_21:
3565 case RTL_GIGA_MAC_VER_22:
3566 case RTL_GIGA_MAC_VER_23:
3567 case RTL_GIGA_MAC_VER_24:
3568 case RTL_GIGA_MAC_VER_25:
3569 case RTL_GIGA_MAC_VER_26:
3570 case RTL_GIGA_MAC_VER_27:
3571 case RTL_GIGA_MAC_VER_28:
3572 case RTL_GIGA_MAC_VER_31:
3573 rtl_writephy(tp, 0x0e, 0x0000);
3574 break;
3575 default:
3576 break;
3577 }
3578 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3579 }
3580
3581 static void r8168_phy_power_down(struct rtl8169_private *tp)
3582 {
3583 rtl_writephy(tp, 0x1f, 0x0000);
3584 switch (tp->mac_version) {
3585 case RTL_GIGA_MAC_VER_32:
3586 case RTL_GIGA_MAC_VER_33:
3587 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
3588 break;
3589
3590 case RTL_GIGA_MAC_VER_11:
3591 case RTL_GIGA_MAC_VER_12:
3592 case RTL_GIGA_MAC_VER_17:
3593 case RTL_GIGA_MAC_VER_18:
3594 case RTL_GIGA_MAC_VER_19:
3595 case RTL_GIGA_MAC_VER_20:
3596 case RTL_GIGA_MAC_VER_21:
3597 case RTL_GIGA_MAC_VER_22:
3598 case RTL_GIGA_MAC_VER_23:
3599 case RTL_GIGA_MAC_VER_24:
3600 case RTL_GIGA_MAC_VER_25:
3601 case RTL_GIGA_MAC_VER_26:
3602 case RTL_GIGA_MAC_VER_27:
3603 case RTL_GIGA_MAC_VER_28:
3604 case RTL_GIGA_MAC_VER_31:
3605 rtl_writephy(tp, 0x0e, 0x0200);
3606 default:
3607 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3608 break;
3609 }
3610 }
3611
3612 static void r8168_pll_power_down(struct rtl8169_private *tp)
3613 {
3614 void __iomem *ioaddr = tp->mmio_addr;
3615
3616 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3617 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3618 tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3619 r8168dp_check_dash(tp)) {
3620 return;
3621 }
3622
3623 if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
3624 tp->mac_version == RTL_GIGA_MAC_VER_24) &&
3625 (RTL_R16(CPlusCmd) & ASF)) {
3626 return;
3627 }
3628
3629 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3630 tp->mac_version == RTL_GIGA_MAC_VER_33)
3631 rtl_ephy_write(ioaddr, 0x19, 0xff64);
3632
3633 if (rtl_wol_pll_power_down(tp))
3634 return;
3635
3636 r8168_phy_power_down(tp);
3637
3638 switch (tp->mac_version) {
3639 case RTL_GIGA_MAC_VER_25:
3640 case RTL_GIGA_MAC_VER_26:
3641 case RTL_GIGA_MAC_VER_27:
3642 case RTL_GIGA_MAC_VER_28:
3643 case RTL_GIGA_MAC_VER_31:
3644 case RTL_GIGA_MAC_VER_32:
3645 case RTL_GIGA_MAC_VER_33:
3646 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
3647 break;
3648 }
3649 }
3650
3651 static void r8168_pll_power_up(struct rtl8169_private *tp)
3652 {
3653 void __iomem *ioaddr = tp->mmio_addr;
3654
3655 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3656 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3657 tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3658 r8168dp_check_dash(tp)) {
3659 return;
3660 }
3661
3662 switch (tp->mac_version) {
3663 case RTL_GIGA_MAC_VER_25:
3664 case RTL_GIGA_MAC_VER_26:
3665 case RTL_GIGA_MAC_VER_27:
3666 case RTL_GIGA_MAC_VER_28:
3667 case RTL_GIGA_MAC_VER_31:
3668 case RTL_GIGA_MAC_VER_32:
3669 case RTL_GIGA_MAC_VER_33:
3670 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
3671 break;
3672 }
3673
3674 r8168_phy_power_up(tp);
3675 }
3676
3677 static void rtl_generic_op(struct rtl8169_private *tp,
3678 void (*op)(struct rtl8169_private *))
3679 {
3680 if (op)
3681 op(tp);
3682 }
3683
3684 static void rtl_pll_power_down(struct rtl8169_private *tp)
3685 {
3686 rtl_generic_op(tp, tp->pll_power_ops.down);
3687 }
3688
3689 static void rtl_pll_power_up(struct rtl8169_private *tp)
3690 {
3691 rtl_generic_op(tp, tp->pll_power_ops.up);
3692 }
3693
3694 static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp)
3695 {
3696 struct pll_power_ops *ops = &tp->pll_power_ops;
3697
3698 switch (tp->mac_version) {
3699 case RTL_GIGA_MAC_VER_07:
3700 case RTL_GIGA_MAC_VER_08:
3701 case RTL_GIGA_MAC_VER_09:
3702 case RTL_GIGA_MAC_VER_10:
3703 case RTL_GIGA_MAC_VER_16:
3704 case RTL_GIGA_MAC_VER_29:
3705 case RTL_GIGA_MAC_VER_30:
3706 ops->down = r810x_pll_power_down;
3707 ops->up = r810x_pll_power_up;
3708 break;
3709
3710 case RTL_GIGA_MAC_VER_11:
3711 case RTL_GIGA_MAC_VER_12:
3712 case RTL_GIGA_MAC_VER_17:
3713 case RTL_GIGA_MAC_VER_18:
3714 case RTL_GIGA_MAC_VER_19:
3715 case RTL_GIGA_MAC_VER_20:
3716 case RTL_GIGA_MAC_VER_21:
3717 case RTL_GIGA_MAC_VER_22:
3718 case RTL_GIGA_MAC_VER_23:
3719 case RTL_GIGA_MAC_VER_24:
3720 case RTL_GIGA_MAC_VER_25:
3721 case RTL_GIGA_MAC_VER_26:
3722 case RTL_GIGA_MAC_VER_27:
3723 case RTL_GIGA_MAC_VER_28:
3724 case RTL_GIGA_MAC_VER_31:
3725 case RTL_GIGA_MAC_VER_32:
3726 case RTL_GIGA_MAC_VER_33:
3727 case RTL_GIGA_MAC_VER_34:
3728 case RTL_GIGA_MAC_VER_35:
3729 case RTL_GIGA_MAC_VER_36:
3730 ops->down = r8168_pll_power_down;
3731 ops->up = r8168_pll_power_up;
3732 break;
3733
3734 default:
3735 ops->down = NULL;
3736 ops->up = NULL;
3737 break;
3738 }
3739 }
3740
3741 static void rtl_init_rxcfg(struct rtl8169_private *tp)
3742 {
3743 void __iomem *ioaddr = tp->mmio_addr;
3744
3745 switch (tp->mac_version) {
3746 case RTL_GIGA_MAC_VER_01:
3747 case RTL_GIGA_MAC_VER_02:
3748 case RTL_GIGA_MAC_VER_03:
3749 case RTL_GIGA_MAC_VER_04:
3750 case RTL_GIGA_MAC_VER_05:
3751 case RTL_GIGA_MAC_VER_06:
3752 case RTL_GIGA_MAC_VER_10:
3753 case RTL_GIGA_MAC_VER_11:
3754 case RTL_GIGA_MAC_VER_12:
3755 case RTL_GIGA_MAC_VER_13:
3756 case RTL_GIGA_MAC_VER_14:
3757 case RTL_GIGA_MAC_VER_15:
3758 case RTL_GIGA_MAC_VER_16:
3759 case RTL_GIGA_MAC_VER_17:
3760 RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
3761 break;
3762 case RTL_GIGA_MAC_VER_18:
3763 case RTL_GIGA_MAC_VER_19:
3764 case RTL_GIGA_MAC_VER_20:
3765 case RTL_GIGA_MAC_VER_21:
3766 case RTL_GIGA_MAC_VER_22:
3767 case RTL_GIGA_MAC_VER_23:
3768 case RTL_GIGA_MAC_VER_24:
3769 RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
3770 break;
3771 default:
3772 RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST);
3773 break;
3774 }
3775 }
3776
3777 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
3778 {
3779 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
3780 }
3781
3782 static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
3783 {
3784 void __iomem *ioaddr = tp->mmio_addr;
3785
3786 RTL_W8(Cfg9346, Cfg9346_Unlock);
3787 rtl_generic_op(tp, tp->jumbo_ops.enable);
3788 RTL_W8(Cfg9346, Cfg9346_Lock);
3789 }
3790
3791 static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
3792 {
3793 void __iomem *ioaddr = tp->mmio_addr;
3794
3795 RTL_W8(Cfg9346, Cfg9346_Unlock);
3796 rtl_generic_op(tp, tp->jumbo_ops.disable);
3797 RTL_W8(Cfg9346, Cfg9346_Lock);
3798 }
3799
3800 static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)
3801 {
3802 void __iomem *ioaddr = tp->mmio_addr;
3803
3804 RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
3805 RTL_W8(Config4, RTL_R8(Config4) | Jumbo_En1);
3806 rtl_tx_performance_tweak(tp->pci_dev, 0x2 << MAX_READ_REQUEST_SHIFT);
3807 }
3808
3809 static void r8168c_hw_jumbo_disable(struct rtl8169_private *tp)
3810 {
3811 void __iomem *ioaddr = tp->mmio_addr;
3812
3813 RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
3814 RTL_W8(Config4, RTL_R8(Config4) & ~Jumbo_En1);
3815 rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
3816 }
3817
3818 static void r8168dp_hw_jumbo_enable(struct rtl8169_private *tp)
3819 {
3820 void __iomem *ioaddr = tp->mmio_addr;
3821
3822 RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
3823 }
3824
3825 static void r8168dp_hw_jumbo_disable(struct rtl8169_private *tp)
3826 {
3827 void __iomem *ioaddr = tp->mmio_addr;
3828
3829 RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
3830 }
3831
3832 static void r8168e_hw_jumbo_enable(struct rtl8169_private *tp)
3833 {
3834 void __iomem *ioaddr = tp->mmio_addr;
3835 struct pci_dev *pdev = tp->pci_dev;
3836
3837 RTL_W8(MaxTxPacketSize, 0x3f);
3838 RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
3839 RTL_W8(Config4, RTL_R8(Config4) | 0x01);
3840 pci_write_config_byte(pdev, 0x79, 0x20);
3841 }
3842
3843 static void r8168e_hw_jumbo_disable(struct rtl8169_private *tp)
3844 {
3845 void __iomem *ioaddr = tp->mmio_addr;
3846 struct pci_dev *pdev = tp->pci_dev;
3847
3848 RTL_W8(MaxTxPacketSize, 0x0c);
3849 RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
3850 RTL_W8(Config4, RTL_R8(Config4) & ~0x01);
3851 pci_write_config_byte(pdev, 0x79, 0x50);
3852 }
3853
3854 static void r8168b_0_hw_jumbo_enable(struct rtl8169_private *tp)
3855 {
3856 rtl_tx_performance_tweak(tp->pci_dev,
3857 (0x2 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
3858 }
3859
3860 static void r8168b_0_hw_jumbo_disable(struct rtl8169_private *tp)
3861 {
3862 rtl_tx_performance_tweak(tp->pci_dev,
3863 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
3864 }
3865
3866 static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp)
3867 {
3868 void __iomem *ioaddr = tp->mmio_addr;
3869
3870 r8168b_0_hw_jumbo_enable(tp);
3871
3872 RTL_W8(Config4, RTL_R8(Config4) | (1 << 0));
3873 }
3874
3875 static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp)
3876 {
3877 void __iomem *ioaddr = tp->mmio_addr;
3878
3879 r8168b_0_hw_jumbo_disable(tp);
3880
3881 RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
3882 }
3883
3884 static void __devinit rtl_init_jumbo_ops(struct rtl8169_private *tp)
3885 {
3886 struct jumbo_ops *ops = &tp->jumbo_ops;
3887
3888 switch (tp->mac_version) {
3889 case RTL_GIGA_MAC_VER_11:
3890 ops->disable = r8168b_0_hw_jumbo_disable;
3891 ops->enable = r8168b_0_hw_jumbo_enable;
3892 break;
3893 case RTL_GIGA_MAC_VER_12:
3894 case RTL_GIGA_MAC_VER_17:
3895 ops->disable = r8168b_1_hw_jumbo_disable;
3896 ops->enable = r8168b_1_hw_jumbo_enable;
3897 break;
3898 case RTL_GIGA_MAC_VER_18: /* Wild guess. Needs info from Realtek. */
3899 case RTL_GIGA_MAC_VER_19:
3900 case RTL_GIGA_MAC_VER_20:
3901 case RTL_GIGA_MAC_VER_21: /* Wild guess. Needs info from Realtek. */
3902 case RTL_GIGA_MAC_VER_22:
3903 case RTL_GIGA_MAC_VER_23:
3904 case RTL_GIGA_MAC_VER_24:
3905 case RTL_GIGA_MAC_VER_25:
3906 case RTL_GIGA_MAC_VER_26:
3907 ops->disable = r8168c_hw_jumbo_disable;
3908 ops->enable = r8168c_hw_jumbo_enable;
3909 break;
3910 case RTL_GIGA_MAC_VER_27:
3911 case RTL_GIGA_MAC_VER_28:
3912 ops->disable = r8168dp_hw_jumbo_disable;
3913 ops->enable = r8168dp_hw_jumbo_enable;
3914 break;
3915 case RTL_GIGA_MAC_VER_31: /* Wild guess. Needs info from Realtek. */
3916 case RTL_GIGA_MAC_VER_32:
3917 case RTL_GIGA_MAC_VER_33:
3918 case RTL_GIGA_MAC_VER_34:
3919 ops->disable = r8168e_hw_jumbo_disable;
3920 ops->enable = r8168e_hw_jumbo_enable;
3921 break;
3922
3923 /*
3924 * No action needed for jumbo frames with 8169.
3925 * No jumbo for 810x at all.
3926 */
3927 default:
3928 ops->disable = NULL;
3929 ops->enable = NULL;
3930 break;
3931 }
3932 }
3933
3934 static void rtl_hw_reset(struct rtl8169_private *tp)
3935 {
3936 void __iomem *ioaddr = tp->mmio_addr;
3937 int i;
3938
3939 /* Soft reset the chip. */
3940 RTL_W8(ChipCmd, CmdReset);
3941
3942 /* Check that the chip has finished the reset. */
3943 for (i = 0; i < 100; i++) {
3944 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3945 break;
3946 udelay(100);
3947 }
3948 }
3949
3950 static int __devinit
3951 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3952 {
3953 const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
3954 const unsigned int region = cfg->region;
3955 struct rtl8169_private *tp;
3956 struct mii_if_info *mii;
3957 struct net_device *dev;
3958 void __iomem *ioaddr;
3959 int chipset, i;
3960 int rc;
3961
3962 if (netif_msg_drv(&debug)) {
3963 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
3964 MODULENAME, RTL8169_VERSION);
3965 }
3966
3967 dev = alloc_etherdev(sizeof (*tp));
3968 if (!dev) {
3969 if (netif_msg_drv(&debug))
3970 dev_err(&pdev->dev, "unable to alloc new ethernet\n");
3971 rc = -ENOMEM;
3972 goto out;
3973 }
3974
3975 SET_NETDEV_DEV(dev, &pdev->dev);
3976 dev->netdev_ops = &rtl8169_netdev_ops;
3977 tp = netdev_priv(dev);
3978 tp->dev = dev;
3979 tp->pci_dev = pdev;
3980 tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
3981
3982 mii = &tp->mii;
3983 mii->dev = dev;
3984 mii->mdio_read = rtl_mdio_read;
3985 mii->mdio_write = rtl_mdio_write;
3986 mii->phy_id_mask = 0x1f;
3987 mii->reg_num_mask = 0x1f;
3988 mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
3989
3990 /* disable ASPM completely as that cause random device stop working
3991 * problems as well as full system hangs for some PCIe devices users */
3992 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
3993 PCIE_LINK_STATE_CLKPM);
3994
3995 /* enable device (incl. PCI PM wakeup and hotplug setup) */
3996 rc = pci_enable_device(pdev);
3997 if (rc < 0) {
3998 netif_err(tp, probe, dev, "enable failure\n");
3999 goto err_out_free_dev_1;
4000 }
4001
4002 if (pci_set_mwi(pdev) < 0)
4003 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
4004
4005 /* make sure PCI base addr 1 is MMIO */
4006 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
4007 netif_err(tp, probe, dev,
4008 "region #%d not an MMIO resource, aborting\n",
4009 region);
4010 rc = -ENODEV;
4011 goto err_out_mwi_2;
4012 }
4013
4014 /* check for weird/broken PCI region reporting */
4015 if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
4016 netif_err(tp, probe, dev,
4017 "Invalid PCI region size(s), aborting\n");
4018 rc = -ENODEV;
4019 goto err_out_mwi_2;
4020 }
4021
4022 rc = pci_request_regions(pdev, MODULENAME);
4023 if (rc < 0) {
4024 netif_err(tp, probe, dev, "could not request regions\n");
4025 goto err_out_mwi_2;
4026 }
4027
4028 tp->cp_cmd = RxChkSum;
4029
4030 if ((sizeof(dma_addr_t) > 4) &&
4031 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
4032 tp->cp_cmd |= PCIDAC;
4033 dev->features |= NETIF_F_HIGHDMA;
4034 } else {
4035 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
4036 if (rc < 0) {
4037 netif_err(tp, probe, dev, "DMA configuration failed\n");
4038 goto err_out_free_res_3;
4039 }
4040 }
4041
4042 /* ioremap MMIO region */
4043 ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
4044 if (!ioaddr) {
4045 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
4046 rc = -EIO;
4047 goto err_out_free_res_3;
4048 }
4049 tp->mmio_addr = ioaddr;
4050
4051 if (!pci_is_pcie(pdev))
4052 netif_info(tp, probe, dev, "not PCI Express\n");
4053
4054 /* Identify chip attached to board */
4055 rtl8169_get_mac_version(tp, dev, cfg->default_ver);
4056
4057 rtl_init_rxcfg(tp);
4058
4059 RTL_W16(IntrMask, 0x0000);
4060
4061 rtl_hw_reset(tp);
4062
4063 RTL_W16(IntrStatus, 0xffff);
4064
4065 pci_set_master(pdev);
4066
4067 /*
4068 * Pretend we are using VLANs; This bypasses a nasty bug where
4069 * Interrupts stop flowing on high load on 8110SCd controllers.
4070 */
4071 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
4072 tp->cp_cmd |= RxVlan;
4073
4074 rtl_init_mdio_ops(tp);
4075 rtl_init_pll_power_ops(tp);
4076 rtl_init_jumbo_ops(tp);
4077
4078 rtl8169_print_mac_version(tp);
4079
4080 chipset = tp->mac_version;
4081 tp->txd_version = rtl_chip_infos[chipset].txd_version;
4082
4083 RTL_W8(Cfg9346, Cfg9346_Unlock);
4084 RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
4085 RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
4086 if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
4087 tp->features |= RTL_FEATURE_WOL;
4088 if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
4089 tp->features |= RTL_FEATURE_WOL;
4090 tp->features |= rtl_try_msi(tp, cfg);
4091 RTL_W8(Cfg9346, Cfg9346_Lock);
4092
4093 if (rtl_tbi_enabled(tp)) {
4094 tp->set_speed = rtl8169_set_speed_tbi;
4095 tp->get_settings = rtl8169_gset_tbi;
4096 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
4097 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
4098 tp->link_ok = rtl8169_tbi_link_ok;
4099 tp->do_ioctl = rtl_tbi_ioctl;
4100 } else {
4101 tp->set_speed = rtl8169_set_speed_xmii;
4102 tp->get_settings = rtl8169_gset_xmii;
4103 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
4104 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
4105 tp->link_ok = rtl8169_xmii_link_ok;
4106 tp->do_ioctl = rtl_xmii_ioctl;
4107 }
4108
4109 spin_lock_init(&tp->lock);
4110
4111 /* Get MAC address */
4112 for (i = 0; i < ETH_ALEN; i++)
4113 dev->dev_addr[i] = RTL_R8(MAC0 + i);
4114 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
4115
4116 SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
4117 dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
4118 dev->irq = pdev->irq;
4119 dev->base_addr = (unsigned long) ioaddr;
4120
4121 netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
4122
4123 /* don't enable SG, IP_CSUM and TSO by default - it might not work
4124 * properly for all devices */
4125 dev->features |= NETIF_F_RXCSUM |
4126 NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
4127
4128 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
4129 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
4130 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
4131 NETIF_F_HIGHDMA;
4132
4133 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
4134 /* 8110SCd requires hardware Rx VLAN - disallow toggling */
4135 dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
4136
4137 tp->intr_mask = 0xffff;
4138 tp->hw_start = cfg->hw_start;
4139 tp->intr_event = cfg->intr_event;
4140 tp->napi_event = cfg->napi_event;
4141
4142 tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ?
4143 ~(RxBOVF | RxFOVF) : ~0;
4144
4145 init_timer(&tp->timer);
4146 tp->timer.data = (unsigned long) dev;
4147 tp->timer.function = rtl8169_phy_timer;
4148
4149 tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
4150
4151 rc = register_netdev(dev);
4152 if (rc < 0)
4153 goto err_out_msi_4;
4154
4155 pci_set_drvdata(pdev, dev);
4156
4157 netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
4158 rtl_chip_infos[chipset].name, dev->base_addr, dev->dev_addr,
4159 (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
4160 if (rtl_chip_infos[chipset].jumbo_max != JUMBO_1K) {
4161 netif_info(tp, probe, dev, "jumbo features [frames: %d bytes, "
4162 "tx checksumming: %s]\n",
4163 rtl_chip_infos[chipset].jumbo_max,
4164 rtl_chip_infos[chipset].jumbo_tx_csum ? "ok" : "ko");
4165 }
4166
4167 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4168 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
4169 tp->mac_version == RTL_GIGA_MAC_VER_31) {
4170 rtl8168_driver_start(tp);
4171 }
4172
4173 device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
4174
4175 if (pci_dev_run_wake(pdev))
4176 pm_runtime_put_noidle(&pdev->dev);
4177
4178 netif_carrier_off(dev);
4179
4180 out:
4181 return rc;
4182
4183 err_out_msi_4:
4184 rtl_disable_msi(pdev, tp);
4185 iounmap(ioaddr);
4186 err_out_free_res_3:
4187 pci_release_regions(pdev);
4188 err_out_mwi_2:
4189 pci_clear_mwi(pdev);
4190 pci_disable_device(pdev);
4191 err_out_free_dev_1:
4192 free_netdev(dev);
4193 goto out;
4194 }
4195
4196 static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
4197 {
4198 struct net_device *dev = pci_get_drvdata(pdev);
4199 struct rtl8169_private *tp = netdev_priv(dev);
4200
4201 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4202 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
4203 tp->mac_version == RTL_GIGA_MAC_VER_31) {
4204 rtl8168_driver_stop(tp);
4205 }
4206
4207 cancel_delayed_work_sync(&tp->task);
4208
4209 unregister_netdev(dev);
4210
4211 rtl_release_firmware(tp);
4212
4213 if (pci_dev_run_wake(pdev))
4214 pm_runtime_get_noresume(&pdev->dev);
4215
4216 /* restore original MAC address */
4217 rtl_rar_set(tp, dev->perm_addr);
4218
4219 rtl_disable_msi(pdev, tp);
4220 rtl8169_release_board(pdev, dev, tp->mmio_addr);
4221 pci_set_drvdata(pdev, NULL);
4222 }
4223
4224 static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
4225 {
4226 struct rtl_fw *rtl_fw;
4227 const char *name;
4228 int rc = -ENOMEM;
4229
4230 name = rtl_lookup_firmware_name(tp);
4231 if (!name)
4232 goto out_no_firmware;
4233
4234 rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
4235 if (!rtl_fw)
4236 goto err_warn;
4237
4238 rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
4239 if (rc < 0)
4240 goto err_free;
4241
4242 rc = rtl_check_firmware(tp, rtl_fw);
4243 if (rc < 0)
4244 goto err_release_firmware;
4245
4246 tp->rtl_fw = rtl_fw;
4247 out:
4248 return;
4249
4250 err_release_firmware:
4251 release_firmware(rtl_fw->fw);
4252 err_free:
4253 kfree(rtl_fw);
4254 err_warn:
4255 netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
4256 name, rc);
4257 out_no_firmware:
4258 tp->rtl_fw = NULL;
4259 goto out;
4260 }
4261
4262 static void rtl_request_firmware(struct rtl8169_private *tp)
4263 {
4264 if (IS_ERR(tp->rtl_fw))
4265 rtl_request_uncached_firmware(tp);
4266 }
4267
4268 static int rtl8169_open(struct net_device *dev)
4269 {
4270 struct rtl8169_private *tp = netdev_priv(dev);
4271 void __iomem *ioaddr = tp->mmio_addr;
4272 struct pci_dev *pdev = tp->pci_dev;
4273 int retval = -ENOMEM;
4274
4275 pm_runtime_get_sync(&pdev->dev);
4276
4277 /*
4278 * Rx and Tx desscriptors needs 256 bytes alignment.
4279 * dma_alloc_coherent provides more.
4280 */
4281 tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
4282 &tp->TxPhyAddr, GFP_KERNEL);
4283 if (!tp->TxDescArray)
4284 goto err_pm_runtime_put;
4285
4286 tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
4287 &tp->RxPhyAddr, GFP_KERNEL);
4288 if (!tp->RxDescArray)
4289 goto err_free_tx_0;
4290
4291 retval = rtl8169_init_ring(dev);
4292 if (retval < 0)
4293 goto err_free_rx_1;
4294
4295 INIT_DELAYED_WORK(&tp->task, NULL);
4296
4297 smp_mb();
4298
4299 rtl_request_firmware(tp);
4300
4301 retval = request_irq(dev->irq, rtl8169_interrupt,
4302 (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
4303 dev->name, dev);
4304 if (retval < 0)
4305 goto err_release_fw_2;
4306
4307 napi_enable(&tp->napi);
4308
4309 rtl8169_init_phy(dev, tp);
4310
4311 rtl8169_set_features(dev, dev->features);
4312
4313 rtl_pll_power_up(tp);
4314
4315 rtl_hw_start(dev);
4316
4317 tp->saved_wolopts = 0;
4318 pm_runtime_put_noidle(&pdev->dev);
4319
4320 rtl8169_check_link_status(dev, tp, ioaddr);
4321 out:
4322 return retval;
4323
4324 err_release_fw_2:
4325 rtl_release_firmware(tp);
4326 rtl8169_rx_clear(tp);
4327 err_free_rx_1:
4328 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
4329 tp->RxPhyAddr);
4330 tp->RxDescArray = NULL;
4331 err_free_tx_0:
4332 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
4333 tp->TxPhyAddr);
4334 tp->TxDescArray = NULL;
4335 err_pm_runtime_put:
4336 pm_runtime_put_noidle(&pdev->dev);
4337 goto out;
4338 }
4339
4340 static void rtl_rx_close(struct rtl8169_private *tp)
4341 {
4342 void __iomem *ioaddr = tp->mmio_addr;
4343
4344 RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
4345 }
4346
4347 static void rtl8169_hw_reset(struct rtl8169_private *tp)
4348 {
4349 void __iomem *ioaddr = tp->mmio_addr;
4350
4351 /* Disable interrupts */
4352 rtl8169_irq_mask_and_ack(tp);
4353
4354 rtl_rx_close(tp);
4355
4356 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4357 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
4358 tp->mac_version == RTL_GIGA_MAC_VER_31) {
4359 while (RTL_R8(TxPoll) & NPQ)
4360 udelay(20);
4361 } else if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
4362 tp->mac_version == RTL_GIGA_MAC_VER_35 ||
4363 tp->mac_version == RTL_GIGA_MAC_VER_36) {
4364 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4365 while (!(RTL_R32(TxConfig) & TXCFG_EMPTY))
4366 udelay(100);
4367 } else {
4368 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4369 udelay(100);
4370 }
4371
4372 rtl_hw_reset(tp);
4373 }
4374
4375 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
4376 {
4377 void __iomem *ioaddr = tp->mmio_addr;
4378
4379 /* Set DMA burst size and Interframe Gap Time */
4380 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4381 (InterFrameGap << TxInterFrameGapShift));
4382 }
4383
4384 static void rtl_hw_start(struct net_device *dev)
4385 {
4386 struct rtl8169_private *tp = netdev_priv(dev);
4387
4388 tp->hw_start(dev);
4389
4390 netif_start_queue(dev);
4391 }
4392
4393 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
4394 void __iomem *ioaddr)
4395 {
4396 /*
4397 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
4398 * register to be written before TxDescAddrLow to work.
4399 * Switching from MMIO to I/O access fixes the issue as well.
4400 */
4401 RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4402 RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4403 RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4404 RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4405 }
4406
4407 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
4408 {
4409 u16 cmd;
4410
4411 cmd = RTL_R16(CPlusCmd);
4412 RTL_W16(CPlusCmd, cmd);
4413 return cmd;
4414 }
4415
4416 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
4417 {
4418 /* Low hurts. Let's disable the filtering. */
4419 RTL_W16(RxMaxSize, rx_buf_sz + 1);
4420 }
4421
4422 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
4423 {
4424 static const struct rtl_cfg2_info {
4425 u32 mac_version;
4426 u32 clk;
4427 u32 val;
4428 } cfg2_info [] = {
4429 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
4430 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
4431 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
4432 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
4433 };
4434 const struct rtl_cfg2_info *p = cfg2_info;
4435 unsigned int i;
4436 u32 clk;
4437
4438 clk = RTL_R8(Config2) & PCI_Clock_66MHz;
4439 for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
4440 if ((p->mac_version == mac_version) && (p->clk == clk)) {
4441 RTL_W32(0x7c, p->val);
4442 break;
4443 }
4444 }
4445 }
4446
4447 static void rtl_hw_start_8169(struct net_device *dev)
4448 {
4449 struct rtl8169_private *tp = netdev_priv(dev);
4450 void __iomem *ioaddr = tp->mmio_addr;
4451 struct pci_dev *pdev = tp->pci_dev;
4452
4453 if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
4454 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
4455 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
4456 }
4457
4458 RTL_W8(Cfg9346, Cfg9346_Unlock);
4459 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4460 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4461 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4462 tp->mac_version == RTL_GIGA_MAC_VER_04)
4463 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4464
4465 rtl_init_rxcfg(tp);
4466
4467 RTL_W8(EarlyTxThres, NoEarlyTx);
4468
4469 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4470
4471 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4472 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4473 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4474 tp->mac_version == RTL_GIGA_MAC_VER_04)
4475 rtl_set_rx_tx_config_registers(tp);
4476
4477 tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
4478
4479 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4480 tp->mac_version == RTL_GIGA_MAC_VER_03) {
4481 dprintk("Set MAC Reg C+CR Offset 0xE0. "
4482 "Bit-3 and bit-14 MUST be 1\n");
4483 tp->cp_cmd |= (1 << 14);
4484 }
4485
4486 RTL_W16(CPlusCmd, tp->cp_cmd);
4487
4488 rtl8169_set_magic_reg(ioaddr, tp->mac_version);
4489
4490 /*
4491 * Undocumented corner. Supposedly:
4492 * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
4493 */
4494 RTL_W16(IntrMitigate, 0x0000);
4495
4496 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4497
4498 if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
4499 tp->mac_version != RTL_GIGA_MAC_VER_02 &&
4500 tp->mac_version != RTL_GIGA_MAC_VER_03 &&
4501 tp->mac_version != RTL_GIGA_MAC_VER_04) {
4502 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4503 rtl_set_rx_tx_config_registers(tp);
4504 }
4505
4506 RTL_W8(Cfg9346, Cfg9346_Lock);
4507
4508 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
4509 RTL_R8(IntrMask);
4510
4511 RTL_W32(RxMissed, 0);
4512
4513 rtl_set_rx_mode(dev);
4514
4515 /* no early-rx interrupts */
4516 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4517
4518 /* Enable all known interrupts by setting the interrupt mask. */
4519 RTL_W16(IntrMask, tp->intr_event);
4520 }
4521
4522 static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
4523 {
4524 u32 csi;
4525
4526 csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
4527 rtl_csi_write(ioaddr, 0x070c, csi | bits);
4528 }
4529
4530 static void rtl_csi_access_enable_1(void __iomem *ioaddr)
4531 {
4532 rtl_csi_access_enable(ioaddr, 0x17000000);
4533 }
4534
4535 static void rtl_csi_access_enable_2(void __iomem *ioaddr)
4536 {
4537 rtl_csi_access_enable(ioaddr, 0x27000000);
4538 }
4539
4540 struct ephy_info {
4541 unsigned int offset;
4542 u16 mask;
4543 u16 bits;
4544 };
4545
4546 static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
4547 {
4548 u16 w;
4549
4550 while (len-- > 0) {
4551 w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
4552 rtl_ephy_write(ioaddr, e->offset, w);
4553 e++;
4554 }
4555 }
4556
4557 static void rtl_disable_clock_request(struct pci_dev *pdev)
4558 {
4559 int cap = pci_pcie_cap(pdev);
4560
4561 if (cap) {
4562 u16 ctl;
4563
4564 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4565 ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
4566 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4567 }
4568 }
4569
4570 static void rtl_enable_clock_request(struct pci_dev *pdev)
4571 {
4572 int cap = pci_pcie_cap(pdev);
4573
4574 if (cap) {
4575 u16 ctl;
4576
4577 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4578 ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
4579 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4580 }
4581 }
4582
4583 #define R8168_CPCMD_QUIRK_MASK (\
4584 EnableBist | \
4585 Mac_dbgo_oe | \
4586 Force_half_dup | \
4587 Force_rxflow_en | \
4588 Force_txflow_en | \
4589 Cxpl_dbg_sel | \
4590 ASF | \
4591 PktCntrDisable | \
4592 Mac_dbgo_sel)
4593
4594 static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
4595 {
4596 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4597
4598 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4599
4600 rtl_tx_performance_tweak(pdev,
4601 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4602 }
4603
4604 static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
4605 {
4606 rtl_hw_start_8168bb(ioaddr, pdev);
4607
4608 RTL_W8(MaxTxPacketSize, TxPacketMax);
4609
4610 RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4611 }
4612
4613 static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
4614 {
4615 RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
4616
4617 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4618
4619 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4620
4621 rtl_disable_clock_request(pdev);
4622
4623 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4624 }
4625
4626 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
4627 {
4628 static const struct ephy_info e_info_8168cp[] = {
4629 { 0x01, 0, 0x0001 },
4630 { 0x02, 0x0800, 0x1000 },
4631 { 0x03, 0, 0x0042 },
4632 { 0x06, 0x0080, 0x0000 },
4633 { 0x07, 0, 0x2000 }
4634 };
4635
4636 rtl_csi_access_enable_2(ioaddr);
4637
4638 rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
4639
4640 __rtl_hw_start_8168cp(ioaddr, pdev);
4641 }
4642
4643 static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
4644 {
4645 rtl_csi_access_enable_2(ioaddr);
4646
4647 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4648
4649 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4650
4651 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4652 }
4653
4654 static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
4655 {
4656 rtl_csi_access_enable_2(ioaddr);
4657
4658 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4659
4660 /* Magic. */
4661 RTL_W8(DBG_REG, 0x20);
4662
4663 RTL_W8(MaxTxPacketSize, TxPacketMax);
4664
4665 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4666
4667 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4668 }
4669
4670 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
4671 {
4672 static const struct ephy_info e_info_8168c_1[] = {
4673 { 0x02, 0x0800, 0x1000 },
4674 { 0x03, 0, 0x0002 },
4675 { 0x06, 0x0080, 0x0000 }
4676 };
4677
4678 rtl_csi_access_enable_2(ioaddr);
4679
4680 RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
4681
4682 rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
4683
4684 __rtl_hw_start_8168cp(ioaddr, pdev);
4685 }
4686
4687 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
4688 {
4689 static const struct ephy_info e_info_8168c_2[] = {
4690 { 0x01, 0, 0x0001 },
4691 { 0x03, 0x0400, 0x0220 }
4692 };
4693
4694 rtl_csi_access_enable_2(ioaddr);
4695
4696 rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
4697
4698 __rtl_hw_start_8168cp(ioaddr, pdev);
4699 }
4700
4701 static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
4702 {
4703 rtl_hw_start_8168c_2(ioaddr, pdev);
4704 }
4705
4706 static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
4707 {
4708 rtl_csi_access_enable_2(ioaddr);
4709
4710 __rtl_hw_start_8168cp(ioaddr, pdev);
4711 }
4712
4713 static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
4714 {
4715 rtl_csi_access_enable_2(ioaddr);
4716
4717 rtl_disable_clock_request(pdev);
4718
4719 RTL_W8(MaxTxPacketSize, TxPacketMax);
4720
4721 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4722
4723 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4724 }
4725
4726 static void rtl_hw_start_8168dp(void __iomem *ioaddr, struct pci_dev *pdev)
4727 {
4728 rtl_csi_access_enable_1(ioaddr);
4729
4730 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4731
4732 RTL_W8(MaxTxPacketSize, TxPacketMax);
4733
4734 rtl_disable_clock_request(pdev);
4735 }
4736
4737 static void rtl_hw_start_8168d_4(void __iomem *ioaddr, struct pci_dev *pdev)
4738 {
4739 static const struct ephy_info e_info_8168d_4[] = {
4740 { 0x0b, ~0, 0x48 },
4741 { 0x19, 0x20, 0x50 },
4742 { 0x0c, ~0, 0x20 }
4743 };
4744 int i;
4745
4746 rtl_csi_access_enable_1(ioaddr);
4747
4748 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4749
4750 RTL_W8(MaxTxPacketSize, TxPacketMax);
4751
4752 for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
4753 const struct ephy_info *e = e_info_8168d_4 + i;
4754 u16 w;
4755
4756 w = rtl_ephy_read(ioaddr, e->offset);
4757 rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
4758 }
4759
4760 rtl_enable_clock_request(pdev);
4761 }
4762
4763 static void rtl_hw_start_8168e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4764 {
4765 static const struct ephy_info e_info_8168e_1[] = {
4766 { 0x00, 0x0200, 0x0100 },
4767 { 0x00, 0x0000, 0x0004 },
4768 { 0x06, 0x0002, 0x0001 },
4769 { 0x06, 0x0000, 0x0030 },
4770 { 0x07, 0x0000, 0x2000 },
4771 { 0x00, 0x0000, 0x0020 },
4772 { 0x03, 0x5800, 0x2000 },
4773 { 0x03, 0x0000, 0x0001 },
4774 { 0x01, 0x0800, 0x1000 },
4775 { 0x07, 0x0000, 0x4000 },
4776 { 0x1e, 0x0000, 0x2000 },
4777 { 0x19, 0xffff, 0xfe6c },
4778 { 0x0a, 0x0000, 0x0040 }
4779 };
4780
4781 rtl_csi_access_enable_2(ioaddr);
4782
4783 rtl_ephy_init(ioaddr, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
4784
4785 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4786
4787 RTL_W8(MaxTxPacketSize, TxPacketMax);
4788
4789 rtl_disable_clock_request(pdev);
4790
4791 /* Reset tx FIFO pointer */
4792 RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
4793 RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
4794
4795 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4796 }
4797
4798 static void rtl_hw_start_8168e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4799 {
4800 static const struct ephy_info e_info_8168e_2[] = {
4801 { 0x09, 0x0000, 0x0080 },
4802 { 0x19, 0x0000, 0x0224 }
4803 };
4804
4805 rtl_csi_access_enable_1(ioaddr);
4806
4807 rtl_ephy_init(ioaddr, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
4808
4809 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4810
4811 rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4812 rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4813 rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
4814 rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
4815 rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
4816 rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
4817 rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4818 rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
4819 ERIAR_EXGMAC);
4820
4821 RTL_W8(MaxTxPacketSize, EarlySize);
4822
4823 rtl_disable_clock_request(pdev);
4824
4825 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
4826 RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
4827
4828 /* Adjust EEE LED frequency */
4829 RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
4830
4831 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4832 RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
4833 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4834 }
4835
4836 static void rtl_hw_start_8168f_1(void __iomem *ioaddr, struct pci_dev *pdev)
4837 {
4838 static const struct ephy_info e_info_8168f_1[] = {
4839 { 0x06, 0x00c0, 0x0020 },
4840 { 0x08, 0x0001, 0x0002 },
4841 { 0x09, 0x0000, 0x0080 },
4842 { 0x19, 0x0000, 0x0224 }
4843 };
4844
4845 rtl_csi_access_enable_1(ioaddr);
4846
4847 rtl_ephy_init(ioaddr, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));
4848
4849 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4850
4851 rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4852 rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4853 rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
4854 rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
4855 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
4856 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
4857 rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4858 rtl_w1w0_eri(ioaddr, 0x1d0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4859 rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
4860 rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x00000060, ERIAR_EXGMAC);
4861 rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
4862 ERIAR_EXGMAC);
4863
4864 RTL_W8(MaxTxPacketSize, EarlySize);
4865
4866 rtl_disable_clock_request(pdev);
4867
4868 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
4869 RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
4870
4871 /* Adjust EEE LED frequency */
4872 RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
4873
4874 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4875 RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
4876 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4877 }
4878
4879 static void rtl_hw_start_8168(struct net_device *dev)
4880 {
4881 struct rtl8169_private *tp = netdev_priv(dev);
4882 void __iomem *ioaddr = tp->mmio_addr;
4883 struct pci_dev *pdev = tp->pci_dev;
4884
4885 RTL_W8(Cfg9346, Cfg9346_Unlock);
4886
4887 RTL_W8(MaxTxPacketSize, TxPacketMax);
4888
4889 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4890
4891 tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
4892
4893 RTL_W16(CPlusCmd, tp->cp_cmd);
4894
4895 RTL_W16(IntrMitigate, 0x5151);
4896
4897 /* Work around for RxFIFO overflow. */
4898 if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
4899 tp->intr_event |= RxFIFOOver | PCSTimeout;
4900 tp->intr_event &= ~RxOverflow;
4901 }
4902
4903 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4904
4905 rtl_set_rx_mode(dev);
4906
4907 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4908 (InterFrameGap << TxInterFrameGapShift));
4909
4910 RTL_R8(IntrMask);
4911
4912 switch (tp->mac_version) {
4913 case RTL_GIGA_MAC_VER_11:
4914 rtl_hw_start_8168bb(ioaddr, pdev);
4915 break;
4916
4917 case RTL_GIGA_MAC_VER_12:
4918 case RTL_GIGA_MAC_VER_17:
4919 rtl_hw_start_8168bef(ioaddr, pdev);
4920 break;
4921
4922 case RTL_GIGA_MAC_VER_18:
4923 rtl_hw_start_8168cp_1(ioaddr, pdev);
4924 break;
4925
4926 case RTL_GIGA_MAC_VER_19:
4927 rtl_hw_start_8168c_1(ioaddr, pdev);
4928 break;
4929
4930 case RTL_GIGA_MAC_VER_20:
4931 rtl_hw_start_8168c_2(ioaddr, pdev);
4932 break;
4933
4934 case RTL_GIGA_MAC_VER_21:
4935 rtl_hw_start_8168c_3(ioaddr, pdev);
4936 break;
4937
4938 case RTL_GIGA_MAC_VER_22:
4939 rtl_hw_start_8168c_4(ioaddr, pdev);
4940 break;
4941
4942 case RTL_GIGA_MAC_VER_23:
4943 rtl_hw_start_8168cp_2(ioaddr, pdev);
4944 break;
4945
4946 case RTL_GIGA_MAC_VER_24:
4947 rtl_hw_start_8168cp_3(ioaddr, pdev);
4948 break;
4949
4950 case RTL_GIGA_MAC_VER_25:
4951 case RTL_GIGA_MAC_VER_26:
4952 case RTL_GIGA_MAC_VER_27:
4953 rtl_hw_start_8168d(ioaddr, pdev);
4954 break;
4955
4956 case RTL_GIGA_MAC_VER_28:
4957 rtl_hw_start_8168d_4(ioaddr, pdev);
4958 break;
4959
4960 case RTL_GIGA_MAC_VER_31:
4961 rtl_hw_start_8168dp(ioaddr, pdev);
4962 break;
4963
4964 case RTL_GIGA_MAC_VER_32:
4965 case RTL_GIGA_MAC_VER_33:
4966 rtl_hw_start_8168e_1(ioaddr, pdev);
4967 break;
4968 case RTL_GIGA_MAC_VER_34:
4969 rtl_hw_start_8168e_2(ioaddr, pdev);
4970 break;
4971
4972 case RTL_GIGA_MAC_VER_35:
4973 case RTL_GIGA_MAC_VER_36:
4974 rtl_hw_start_8168f_1(ioaddr, pdev);
4975 break;
4976
4977 default:
4978 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
4979 dev->name, tp->mac_version);
4980 break;
4981 }
4982
4983 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4984
4985 RTL_W8(Cfg9346, Cfg9346_Lock);
4986
4987 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4988
4989 RTL_W16(IntrMask, tp->intr_event);
4990 }
4991
4992 #define R810X_CPCMD_QUIRK_MASK (\
4993 EnableBist | \
4994 Mac_dbgo_oe | \
4995 Force_half_dup | \
4996 Force_rxflow_en | \
4997 Force_txflow_en | \
4998 Cxpl_dbg_sel | \
4999 ASF | \
5000 PktCntrDisable | \
5001 Mac_dbgo_sel)
5002
5003 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
5004 {
5005 static const struct ephy_info e_info_8102e_1[] = {
5006 { 0x01, 0, 0x6e65 },
5007 { 0x02, 0, 0x091f },
5008 { 0x03, 0, 0xc2f9 },
5009 { 0x06, 0, 0xafb5 },
5010 { 0x07, 0, 0x0e00 },
5011 { 0x19, 0, 0xec80 },
5012 { 0x01, 0, 0x2e65 },
5013 { 0x01, 0, 0x6e65 }
5014 };
5015 u8 cfg1;
5016
5017 rtl_csi_access_enable_2(ioaddr);
5018
5019 RTL_W8(DBG_REG, FIX_NAK_1);
5020
5021 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5022
5023 RTL_W8(Config1,
5024 LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
5025 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
5026
5027 cfg1 = RTL_R8(Config1);
5028 if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
5029 RTL_W8(Config1, cfg1 & ~LEDS0);
5030
5031 rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
5032 }
5033
5034 static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
5035 {
5036 rtl_csi_access_enable_2(ioaddr);
5037
5038 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5039
5040 RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
5041 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
5042 }
5043
5044 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
5045 {
5046 rtl_hw_start_8102e_2(ioaddr, pdev);
5047
5048 rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
5049 }
5050
5051 static void rtl_hw_start_8105e_1(void __iomem *ioaddr, struct pci_dev *pdev)
5052 {
5053 static const struct ephy_info e_info_8105e_1[] = {
5054 { 0x07, 0, 0x4000 },
5055 { 0x19, 0, 0x0200 },
5056 { 0x19, 0, 0x0020 },
5057 { 0x1e, 0, 0x2000 },
5058 { 0x03, 0, 0x0001 },
5059 { 0x19, 0, 0x0100 },
5060 { 0x19, 0, 0x0004 },
5061 { 0x0a, 0, 0x0020 }
5062 };
5063
5064 /* Force LAN exit from ASPM if Rx/Tx are not idle */
5065 RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
5066
5067 /* Disable Early Tally Counter */
5068 RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
5069
5070 RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
5071 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
5072
5073 rtl_ephy_init(ioaddr, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
5074 }
5075
5076 static void rtl_hw_start_8105e_2(void __iomem *ioaddr, struct pci_dev *pdev)
5077 {
5078 rtl_hw_start_8105e_1(ioaddr, pdev);
5079 rtl_ephy_write(ioaddr, 0x1e, rtl_ephy_read(ioaddr, 0x1e) | 0x8000);
5080 }
5081
5082 static void rtl_hw_start_8101(struct net_device *dev)
5083 {
5084 struct rtl8169_private *tp = netdev_priv(dev);
5085 void __iomem *ioaddr = tp->mmio_addr;
5086 struct pci_dev *pdev = tp->pci_dev;
5087
5088 if (tp->mac_version >= RTL_GIGA_MAC_VER_30) {
5089 tp->intr_event &= ~RxFIFOOver;
5090 tp->napi_event &= ~RxFIFOOver;
5091 }
5092
5093 if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
5094 tp->mac_version == RTL_GIGA_MAC_VER_16) {
5095 int cap = pci_pcie_cap(pdev);
5096
5097 if (cap) {
5098 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
5099 PCI_EXP_DEVCTL_NOSNOOP_EN);
5100 }
5101 }
5102
5103 RTL_W8(Cfg9346, Cfg9346_Unlock);
5104
5105 switch (tp->mac_version) {
5106 case RTL_GIGA_MAC_VER_07:
5107 rtl_hw_start_8102e_1(ioaddr, pdev);
5108 break;
5109
5110 case RTL_GIGA_MAC_VER_08:
5111 rtl_hw_start_8102e_3(ioaddr, pdev);
5112 break;
5113
5114 case RTL_GIGA_MAC_VER_09:
5115 rtl_hw_start_8102e_2(ioaddr, pdev);
5116 break;
5117
5118 case RTL_GIGA_MAC_VER_29:
5119 rtl_hw_start_8105e_1(ioaddr, pdev);
5120 break;
5121 case RTL_GIGA_MAC_VER_30:
5122 rtl_hw_start_8105e_2(ioaddr, pdev);
5123 break;
5124 }
5125
5126 RTL_W8(Cfg9346, Cfg9346_Lock);
5127
5128 RTL_W8(MaxTxPacketSize, TxPacketMax);
5129
5130 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
5131
5132 tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
5133 RTL_W16(CPlusCmd, tp->cp_cmd);
5134
5135 RTL_W16(IntrMitigate, 0x0000);
5136
5137 rtl_set_rx_tx_desc_registers(tp, ioaddr);
5138
5139 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
5140 rtl_set_rx_tx_config_registers(tp);
5141
5142 RTL_R8(IntrMask);
5143
5144 rtl_set_rx_mode(dev);
5145
5146 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
5147
5148 RTL_W16(IntrMask, tp->intr_event);
5149 }
5150
5151 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
5152 {
5153 struct rtl8169_private *tp = netdev_priv(dev);
5154
5155 if (new_mtu < ETH_ZLEN ||
5156 new_mtu > rtl_chip_infos[tp->mac_version].jumbo_max)
5157 return -EINVAL;
5158
5159 if (new_mtu > ETH_DATA_LEN)
5160 rtl_hw_jumbo_enable(tp);
5161 else
5162 rtl_hw_jumbo_disable(tp);
5163
5164 dev->mtu = new_mtu;
5165 netdev_update_features(dev);
5166
5167 return 0;
5168 }
5169
5170 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
5171 {
5172 desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
5173 desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
5174 }
5175
5176 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
5177 void **data_buff, struct RxDesc *desc)
5178 {
5179 dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
5180 DMA_FROM_DEVICE);
5181
5182 kfree(*data_buff);
5183 *data_buff = NULL;
5184 rtl8169_make_unusable_by_asic(desc);
5185 }
5186
5187 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
5188 {
5189 u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
5190
5191 desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
5192 }
5193
5194 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
5195 u32 rx_buf_sz)
5196 {
5197 desc->addr = cpu_to_le64(mapping);
5198 wmb();
5199 rtl8169_mark_to_asic(desc, rx_buf_sz);
5200 }
5201
5202 static inline void *rtl8169_align(void *data)
5203 {
5204 return (void *)ALIGN((long)data, 16);
5205 }
5206
5207 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
5208 struct RxDesc *desc)
5209 {
5210 void *data;
5211 dma_addr_t mapping;
5212 struct device *d = &tp->pci_dev->dev;
5213 struct net_device *dev = tp->dev;
5214 int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
5215
5216 data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
5217 if (!data)
5218 return NULL;
5219
5220 if (rtl8169_align(data) != data) {
5221 kfree(data);
5222 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
5223 if (!data)
5224 return NULL;
5225 }
5226
5227 mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
5228 DMA_FROM_DEVICE);
5229 if (unlikely(dma_mapping_error(d, mapping))) {
5230 if (net_ratelimit())
5231 netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
5232 goto err_out;
5233 }
5234
5235 rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
5236 return data;
5237
5238 err_out:
5239 kfree(data);
5240 return NULL;
5241 }
5242
5243 static void rtl8169_rx_clear(struct rtl8169_private *tp)
5244 {
5245 unsigned int i;
5246
5247 for (i = 0; i < NUM_RX_DESC; i++) {
5248 if (tp->Rx_databuff[i]) {
5249 rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
5250 tp->RxDescArray + i);
5251 }
5252 }
5253 }
5254
5255 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
5256 {
5257 desc->opts1 |= cpu_to_le32(RingEnd);
5258 }
5259
5260 static int rtl8169_rx_fill(struct rtl8169_private *tp)
5261 {
5262 unsigned int i;
5263
5264 for (i = 0; i < NUM_RX_DESC; i++) {
5265 void *data;
5266
5267 if (tp->Rx_databuff[i])
5268 continue;
5269
5270 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
5271 if (!data) {
5272 rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
5273 goto err_out;
5274 }
5275 tp->Rx_databuff[i] = data;
5276 }
5277
5278 rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
5279 return 0;
5280
5281 err_out:
5282 rtl8169_rx_clear(tp);
5283 return -ENOMEM;
5284 }
5285
5286 static int rtl8169_init_ring(struct net_device *dev)
5287 {
5288 struct rtl8169_private *tp = netdev_priv(dev);
5289
5290 rtl8169_init_ring_indexes(tp);
5291
5292 memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
5293 memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
5294
5295 return rtl8169_rx_fill(tp);
5296 }
5297
5298 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
5299 struct TxDesc *desc)
5300 {
5301 unsigned int len = tx_skb->len;
5302
5303 dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
5304
5305 desc->opts1 = 0x00;
5306 desc->opts2 = 0x00;
5307 desc->addr = 0x00;
5308 tx_skb->len = 0;
5309 }
5310
5311 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
5312 unsigned int n)
5313 {
5314 unsigned int i;
5315
5316 for (i = 0; i < n; i++) {
5317 unsigned int entry = (start + i) % NUM_TX_DESC;
5318 struct ring_info *tx_skb = tp->tx_skb + entry;
5319 unsigned int len = tx_skb->len;
5320
5321 if (len) {
5322 struct sk_buff *skb = tx_skb->skb;
5323
5324 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
5325 tp->TxDescArray + entry);
5326 if (skb) {
5327 tp->dev->stats.tx_dropped++;
5328 dev_kfree_skb(skb);
5329 tx_skb->skb = NULL;
5330 }
5331 }
5332 }
5333 }
5334
5335 static void rtl8169_tx_clear(struct rtl8169_private *tp)
5336 {
5337 rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
5338 tp->cur_tx = tp->dirty_tx = 0;
5339 }
5340
5341 static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
5342 {
5343 struct rtl8169_private *tp = netdev_priv(dev);
5344
5345 PREPARE_DELAYED_WORK(&tp->task, task);
5346 schedule_delayed_work(&tp->task, 4);
5347 }
5348
5349 static void rtl8169_wait_for_quiescence(struct net_device *dev)
5350 {
5351 struct rtl8169_private *tp = netdev_priv(dev);
5352 void __iomem *ioaddr = tp->mmio_addr;
5353
5354 synchronize_irq(dev->irq);
5355
5356 /* Wait for any pending NAPI task to complete */
5357 napi_disable(&tp->napi);
5358
5359 rtl8169_irq_mask_and_ack(tp);
5360
5361 tp->intr_mask = 0xffff;
5362 RTL_W16(IntrMask, tp->intr_event);
5363 napi_enable(&tp->napi);
5364 }
5365
5366 static void rtl8169_reinit_task(struct work_struct *work)
5367 {
5368 struct rtl8169_private *tp =
5369 container_of(work, struct rtl8169_private, task.work);
5370 struct net_device *dev = tp->dev;
5371 int ret;
5372
5373 rtnl_lock();
5374
5375 if (!netif_running(dev))
5376 goto out_unlock;
5377
5378 rtl8169_wait_for_quiescence(dev);
5379 rtl8169_close(dev);
5380
5381 ret = rtl8169_open(dev);
5382 if (unlikely(ret < 0)) {
5383 if (net_ratelimit())
5384 netif_err(tp, drv, dev,
5385 "reinit failure (status = %d). Rescheduling\n",
5386 ret);
5387 rtl8169_schedule_work(dev, rtl8169_reinit_task);
5388 }
5389
5390 out_unlock:
5391 rtnl_unlock();
5392 }
5393
5394 static void rtl8169_reset_task(struct work_struct *work)
5395 {
5396 struct rtl8169_private *tp =
5397 container_of(work, struct rtl8169_private, task.work);
5398 struct net_device *dev = tp->dev;
5399 int i;
5400
5401 rtnl_lock();
5402
5403 if (!netif_running(dev))
5404 goto out_unlock;
5405
5406 rtl8169_hw_reset(tp);
5407
5408 rtl8169_wait_for_quiescence(dev);
5409
5410 for (i = 0; i < NUM_RX_DESC; i++)
5411 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
5412
5413 rtl8169_tx_clear(tp);
5414 rtl8169_init_ring_indexes(tp);
5415
5416 rtl_hw_start(dev);
5417 netif_wake_queue(dev);
5418 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
5419
5420 out_unlock:
5421 rtnl_unlock();
5422 }
5423
5424 static void rtl8169_tx_timeout(struct net_device *dev)
5425 {
5426 rtl8169_schedule_work(dev, rtl8169_reset_task);
5427 }
5428
5429 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
5430 u32 *opts)
5431 {
5432 struct skb_shared_info *info = skb_shinfo(skb);
5433 unsigned int cur_frag, entry;
5434 struct TxDesc * uninitialized_var(txd);
5435 struct device *d = &tp->pci_dev->dev;
5436
5437 entry = tp->cur_tx;
5438 for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
5439 const skb_frag_t *frag = info->frags + cur_frag;
5440 dma_addr_t mapping;
5441 u32 status, len;
5442 void *addr;
5443
5444 entry = (entry + 1) % NUM_TX_DESC;
5445
5446 txd = tp->TxDescArray + entry;
5447 len = skb_frag_size(frag);
5448 addr = skb_frag_address(frag);
5449 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5450 if (unlikely(dma_mapping_error(d, mapping))) {
5451 if (net_ratelimit())
5452 netif_err(tp, drv, tp->dev,
5453 "Failed to map TX fragments DMA!\n");
5454 goto err_out;
5455 }
5456
5457 /* Anti gcc 2.95.3 bugware (sic) */
5458 status = opts[0] | len |
5459 (RingEnd * !((entry + 1) % NUM_TX_DESC));
5460
5461 txd->opts1 = cpu_to_le32(status);
5462 txd->opts2 = cpu_to_le32(opts[1]);
5463 txd->addr = cpu_to_le64(mapping);
5464
5465 tp->tx_skb[entry].len = len;
5466 }
5467
5468 if (cur_frag) {
5469 tp->tx_skb[entry].skb = skb;
5470 txd->opts1 |= cpu_to_le32(LastFrag);
5471 }
5472
5473 return cur_frag;
5474
5475 err_out:
5476 rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5477 return -EIO;
5478 }
5479
5480 static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
5481 struct sk_buff *skb, u32 *opts)
5482 {
5483 const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
5484 u32 mss = skb_shinfo(skb)->gso_size;
5485 int offset = info->opts_offset;
5486
5487 if (mss) {
5488 opts[0] |= TD_LSO;
5489 opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
5490 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5491 const struct iphdr *ip = ip_hdr(skb);
5492
5493 if (ip->protocol == IPPROTO_TCP)
5494 opts[offset] |= info->checksum.tcp;
5495 else if (ip->protocol == IPPROTO_UDP)
5496 opts[offset] |= info->checksum.udp;
5497 else
5498 WARN_ON_ONCE(1);
5499 }
5500 }
5501
5502 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5503 struct net_device *dev)
5504 {
5505 struct rtl8169_private *tp = netdev_priv(dev);
5506 unsigned int entry = tp->cur_tx % NUM_TX_DESC;
5507 struct TxDesc *txd = tp->TxDescArray + entry;
5508 void __iomem *ioaddr = tp->mmio_addr;
5509 struct device *d = &tp->pci_dev->dev;
5510 dma_addr_t mapping;
5511 u32 status, len;
5512 u32 opts[2];
5513 int frags;
5514
5515 if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
5516 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5517 goto err_stop_0;
5518 }
5519
5520 if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5521 goto err_stop_0;
5522
5523 len = skb_headlen(skb);
5524 mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
5525 if (unlikely(dma_mapping_error(d, mapping))) {
5526 if (net_ratelimit())
5527 netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
5528 goto err_dma_0;
5529 }
5530
5531 tp->tx_skb[entry].len = len;
5532 txd->addr = cpu_to_le64(mapping);
5533
5534 opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
5535 opts[0] = DescOwn;
5536
5537 rtl8169_tso_csum(tp, skb, opts);
5538
5539 frags = rtl8169_xmit_frags(tp, skb, opts);
5540 if (frags < 0)
5541 goto err_dma_1;
5542 else if (frags)
5543 opts[0] |= FirstFrag;
5544 else {
5545 opts[0] |= FirstFrag | LastFrag;
5546 tp->tx_skb[entry].skb = skb;
5547 }
5548
5549 txd->opts2 = cpu_to_le32(opts[1]);
5550
5551 wmb();
5552
5553 /* Anti gcc 2.95.3 bugware (sic) */
5554 status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
5555 txd->opts1 = cpu_to_le32(status);
5556
5557 tp->cur_tx += frags + 1;
5558
5559 wmb();
5560
5561 RTL_W8(TxPoll, NPQ);
5562
5563 if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
5564 netif_stop_queue(dev);
5565 smp_rmb();
5566 if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
5567 netif_wake_queue(dev);
5568 }
5569
5570 return NETDEV_TX_OK;
5571
5572 err_dma_1:
5573 rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
5574 err_dma_0:
5575 dev_kfree_skb(skb);
5576 dev->stats.tx_dropped++;
5577 return NETDEV_TX_OK;
5578
5579 err_stop_0:
5580 netif_stop_queue(dev);
5581 dev->stats.tx_dropped++;
5582 return NETDEV_TX_BUSY;
5583 }
5584
5585 static void rtl8169_pcierr_interrupt(struct net_device *dev)
5586 {
5587 struct rtl8169_private *tp = netdev_priv(dev);
5588 struct pci_dev *pdev = tp->pci_dev;
5589 u16 pci_status, pci_cmd;
5590
5591 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
5592 pci_read_config_word(pdev, PCI_STATUS, &pci_status);
5593
5594 netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
5595 pci_cmd, pci_status);
5596
5597 /*
5598 * The recovery sequence below admits a very elaborated explanation:
5599 * - it seems to work;
5600 * - I did not see what else could be done;
5601 * - it makes iop3xx happy.
5602 *
5603 * Feel free to adjust to your needs.
5604 */
5605 if (pdev->broken_parity_status)
5606 pci_cmd &= ~PCI_COMMAND_PARITY;
5607 else
5608 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
5609
5610 pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
5611
5612 pci_write_config_word(pdev, PCI_STATUS,
5613 pci_status & (PCI_STATUS_DETECTED_PARITY |
5614 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
5615 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
5616
5617 /* The infamous DAC f*ckup only happens at boot time */
5618 if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
5619 void __iomem *ioaddr = tp->mmio_addr;
5620
5621 netif_info(tp, intr, dev, "disabling PCI DAC\n");
5622 tp->cp_cmd &= ~PCIDAC;
5623 RTL_W16(CPlusCmd, tp->cp_cmd);
5624 dev->features &= ~NETIF_F_HIGHDMA;
5625 }
5626
5627 rtl8169_hw_reset(tp);
5628
5629 rtl8169_schedule_work(dev, rtl8169_reinit_task);
5630 }
5631
5632 static void rtl8169_tx_interrupt(struct net_device *dev,
5633 struct rtl8169_private *tp,
5634 void __iomem *ioaddr)
5635 {
5636 unsigned int dirty_tx, tx_left;
5637
5638 dirty_tx = tp->dirty_tx;
5639 smp_rmb();
5640 tx_left = tp->cur_tx - dirty_tx;
5641
5642 while (tx_left > 0) {
5643 unsigned int entry = dirty_tx % NUM_TX_DESC;
5644 struct ring_info *tx_skb = tp->tx_skb + entry;
5645 u32 status;
5646
5647 rmb();
5648 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
5649 if (status & DescOwn)
5650 break;
5651
5652 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
5653 tp->TxDescArray + entry);
5654 if (status & LastFrag) {
5655 dev->stats.tx_packets++;
5656 dev->stats.tx_bytes += tx_skb->skb->len;
5657 dev_kfree_skb(tx_skb->skb);
5658 tx_skb->skb = NULL;
5659 }
5660 dirty_tx++;
5661 tx_left--;
5662 }
5663
5664 if (tp->dirty_tx != dirty_tx) {
5665 tp->dirty_tx = dirty_tx;
5666 smp_wmb();
5667 if (netif_queue_stopped(dev) &&
5668 (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
5669 netif_wake_queue(dev);
5670 }
5671 /*
5672 * 8168 hack: TxPoll requests are lost when the Tx packets are
5673 * too close. Let's kick an extra TxPoll request when a burst
5674 * of start_xmit activity is detected (if it is not detected,
5675 * it is slow enough). -- FR
5676 */
5677 smp_rmb();
5678 if (tp->cur_tx != dirty_tx)
5679 RTL_W8(TxPoll, NPQ);
5680 }
5681 }
5682
5683 static inline int rtl8169_fragmented_frame(u32 status)
5684 {
5685 return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
5686 }
5687
5688 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
5689 {
5690 u32 status = opts1 & RxProtoMask;
5691
5692 if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
5693 ((status == RxProtoUDP) && !(opts1 & UDPFail)))
5694 skb->ip_summed = CHECKSUM_UNNECESSARY;
5695 else
5696 skb_checksum_none_assert(skb);
5697 }
5698
5699 static struct sk_buff *rtl8169_try_rx_copy(void *data,
5700 struct rtl8169_private *tp,
5701 int pkt_size,
5702 dma_addr_t addr)
5703 {
5704 struct sk_buff *skb;
5705 struct device *d = &tp->pci_dev->dev;
5706
5707 data = rtl8169_align(data);
5708 dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
5709 prefetch(data);
5710 skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
5711 if (skb)
5712 memcpy(skb->data, data, pkt_size);
5713 dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
5714
5715 return skb;
5716 }
5717
5718 static int rtl8169_rx_interrupt(struct net_device *dev,
5719 struct rtl8169_private *tp,
5720 void __iomem *ioaddr, u32 budget)
5721 {
5722 unsigned int cur_rx, rx_left;
5723 unsigned int count;
5724
5725 cur_rx = tp->cur_rx;
5726 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
5727 rx_left = min(rx_left, budget);
5728
5729 for (; rx_left > 0; rx_left--, cur_rx++) {
5730 unsigned int entry = cur_rx % NUM_RX_DESC;
5731 struct RxDesc *desc = tp->RxDescArray + entry;
5732 u32 status;
5733
5734 rmb();
5735 status = le32_to_cpu(desc->opts1) & tp->opts1_mask;
5736
5737 if (status & DescOwn)
5738 break;
5739 if (unlikely(status & RxRES)) {
5740 netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
5741 status);
5742 dev->stats.rx_errors++;
5743 if (status & (RxRWT | RxRUNT))
5744 dev->stats.rx_length_errors++;
5745 if (status & RxCRC)
5746 dev->stats.rx_crc_errors++;
5747 if (status & RxFOVF) {
5748 rtl8169_schedule_work(dev, rtl8169_reset_task);
5749 dev->stats.rx_fifo_errors++;
5750 }
5751 rtl8169_mark_to_asic(desc, rx_buf_sz);
5752 } else {
5753 struct sk_buff *skb;
5754 dma_addr_t addr = le64_to_cpu(desc->addr);
5755 int pkt_size = (status & 0x00003fff) - 4;
5756
5757 /*
5758 * The driver does not support incoming fragmented
5759 * frames. They are seen as a symptom of over-mtu
5760 * sized frames.
5761 */
5762 if (unlikely(rtl8169_fragmented_frame(status))) {
5763 dev->stats.rx_dropped++;
5764 dev->stats.rx_length_errors++;
5765 rtl8169_mark_to_asic(desc, rx_buf_sz);
5766 continue;
5767 }
5768
5769 skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
5770 tp, pkt_size, addr);
5771 rtl8169_mark_to_asic(desc, rx_buf_sz);
5772 if (!skb) {
5773 dev->stats.rx_dropped++;
5774 continue;
5775 }
5776
5777 rtl8169_rx_csum(skb, status);
5778 skb_put(skb, pkt_size);
5779 skb->protocol = eth_type_trans(skb, dev);
5780
5781 rtl8169_rx_vlan_tag(desc, skb);
5782
5783 napi_gro_receive(&tp->napi, skb);
5784
5785 dev->stats.rx_bytes += pkt_size;
5786 dev->stats.rx_packets++;
5787 }
5788
5789 /* Work around for AMD plateform. */
5790 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
5791 (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
5792 desc->opts2 = 0;
5793 cur_rx++;
5794 }
5795 }
5796
5797 count = cur_rx - tp->cur_rx;
5798 tp->cur_rx = cur_rx;
5799
5800 tp->dirty_rx += count;
5801
5802 return count;
5803 }
5804
5805 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
5806 {
5807 struct net_device *dev = dev_instance;
5808 struct rtl8169_private *tp = netdev_priv(dev);
5809 void __iomem *ioaddr = tp->mmio_addr;
5810 int handled = 0;
5811 int status;
5812
5813 /* loop handling interrupts until we have no new ones or
5814 * we hit a invalid/hotplug case.
5815 */
5816 status = RTL_R16(IntrStatus);
5817 while (status && status != 0xffff) {
5818 status &= tp->intr_event;
5819 if (!status)
5820 break;
5821
5822 handled = 1;
5823
5824 /* Handle all of the error cases first. These will reset
5825 * the chip, so just exit the loop.
5826 */
5827 if (unlikely(!netif_running(dev))) {
5828 rtl8169_hw_reset(tp);
5829 break;
5830 }
5831
5832 if (unlikely(status & RxFIFOOver)) {
5833 switch (tp->mac_version) {
5834 /* Work around for rx fifo overflow */
5835 case RTL_GIGA_MAC_VER_11:
5836 netif_stop_queue(dev);
5837 rtl8169_tx_timeout(dev);
5838 goto done;
5839 default:
5840 break;
5841 }
5842 }
5843
5844 if (unlikely(status & SYSErr)) {
5845 rtl8169_pcierr_interrupt(dev);
5846 break;
5847 }
5848
5849 if (status & LinkChg)
5850 __rtl8169_check_link_status(dev, tp, ioaddr, true);
5851
5852 /* We need to see the lastest version of tp->intr_mask to
5853 * avoid ignoring an MSI interrupt and having to wait for
5854 * another event which may never come.
5855 */
5856 smp_rmb();
5857 if (status & tp->intr_mask & tp->napi_event) {
5858 RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
5859 tp->intr_mask = ~tp->napi_event;
5860
5861 if (likely(napi_schedule_prep(&tp->napi)))
5862 __napi_schedule(&tp->napi);
5863 else
5864 netif_info(tp, intr, dev,
5865 "interrupt %04x in poll\n", status);
5866 }
5867
5868 /* We only get a new MSI interrupt when all active irq
5869 * sources on the chip have been acknowledged. So, ack
5870 * everything we've seen and check if new sources have become
5871 * active to avoid blocking all interrupts from the chip.
5872 */
5873 RTL_W16(IntrStatus,
5874 (status & RxFIFOOver) ? (status | RxOverflow) : status);
5875 status = RTL_R16(IntrStatus);
5876 }
5877 done:
5878 return IRQ_RETVAL(handled);
5879 }
5880
5881 static int rtl8169_poll(struct napi_struct *napi, int budget)
5882 {
5883 struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
5884 struct net_device *dev = tp->dev;
5885 void __iomem *ioaddr = tp->mmio_addr;
5886 int work_done;
5887
5888 work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
5889 rtl8169_tx_interrupt(dev, tp, ioaddr);
5890
5891 if (work_done < budget) {
5892 napi_complete(napi);
5893
5894 /* We need for force the visibility of tp->intr_mask
5895 * for other CPUs, as we can loose an MSI interrupt
5896 * and potentially wait for a retransmit timeout if we don't.
5897 * The posted write to IntrMask is safe, as it will
5898 * eventually make it to the chip and we won't loose anything
5899 * until it does.
5900 */
5901 tp->intr_mask = 0xffff;
5902 wmb();
5903 RTL_W16(IntrMask, tp->intr_event);
5904 }
5905
5906 return work_done;
5907 }
5908
5909 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
5910 {
5911 struct rtl8169_private *tp = netdev_priv(dev);
5912
5913 if (tp->mac_version > RTL_GIGA_MAC_VER_06)
5914 return;
5915
5916 dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
5917 RTL_W32(RxMissed, 0);
5918 }
5919
5920 static void rtl8169_down(struct net_device *dev)
5921 {
5922 struct rtl8169_private *tp = netdev_priv(dev);
5923 void __iomem *ioaddr = tp->mmio_addr;
5924
5925 del_timer_sync(&tp->timer);
5926
5927 netif_stop_queue(dev);
5928
5929 napi_disable(&tp->napi);
5930
5931 spin_lock_irq(&tp->lock);
5932
5933 rtl8169_hw_reset(tp);
5934 /*
5935 * At this point device interrupts can not be enabled in any function,
5936 * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task,
5937 * rtl8169_reinit_task) and napi is disabled (rtl8169_poll).
5938 */
5939 rtl8169_rx_missed(dev, ioaddr);
5940
5941 spin_unlock_irq(&tp->lock);
5942
5943 synchronize_irq(dev->irq);
5944
5945 /* Give a racing hard_start_xmit a few cycles to complete. */
5946 synchronize_sched(); /* FIXME: should this be synchronize_irq()? */
5947
5948 rtl8169_tx_clear(tp);
5949
5950 rtl8169_rx_clear(tp);
5951
5952 rtl_pll_power_down(tp);
5953 }
5954
5955 static int rtl8169_close(struct net_device *dev)
5956 {
5957 struct rtl8169_private *tp = netdev_priv(dev);
5958 struct pci_dev *pdev = tp->pci_dev;
5959
5960 pm_runtime_get_sync(&pdev->dev);
5961
5962 /* Update counters before going down */
5963 rtl8169_update_counters(dev);
5964
5965 rtl8169_down(dev);
5966
5967 free_irq(dev->irq, dev);
5968
5969 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
5970 tp->RxPhyAddr);
5971 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
5972 tp->TxPhyAddr);
5973 tp->TxDescArray = NULL;
5974 tp->RxDescArray = NULL;
5975
5976 pm_runtime_put_sync(&pdev->dev);
5977
5978 return 0;
5979 }
5980
5981 static void rtl_set_rx_mode(struct net_device *dev)
5982 {
5983 struct rtl8169_private *tp = netdev_priv(dev);
5984 void __iomem *ioaddr = tp->mmio_addr;
5985 unsigned long flags;
5986 u32 mc_filter[2]; /* Multicast hash filter */
5987 int rx_mode;
5988 u32 tmp = 0;
5989
5990 if (dev->flags & IFF_PROMISC) {
5991 /* Unconditionally log net taps. */
5992 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
5993 rx_mode =
5994 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
5995 AcceptAllPhys;
5996 mc_filter[1] = mc_filter[0] = 0xffffffff;
5997 } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
5998 (dev->flags & IFF_ALLMULTI)) {
5999 /* Too many to filter perfectly -- accept all multicasts. */
6000 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
6001 mc_filter[1] = mc_filter[0] = 0xffffffff;
6002 } else {
6003 struct netdev_hw_addr *ha;
6004
6005 rx_mode = AcceptBroadcast | AcceptMyPhys;
6006 mc_filter[1] = mc_filter[0] = 0;
6007 netdev_for_each_mc_addr(ha, dev) {
6008 int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
6009 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
6010 rx_mode |= AcceptMulticast;
6011 }
6012 }
6013
6014 spin_lock_irqsave(&tp->lock, flags);
6015
6016 tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
6017
6018 if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
6019 u32 data = mc_filter[0];
6020
6021 mc_filter[0] = swab32(mc_filter[1]);
6022 mc_filter[1] = swab32(data);
6023 }
6024
6025 RTL_W32(MAR0 + 4, mc_filter[1]);
6026 RTL_W32(MAR0 + 0, mc_filter[0]);
6027
6028 RTL_W32(RxConfig, tmp);
6029
6030 spin_unlock_irqrestore(&tp->lock, flags);
6031 }
6032
6033 /**
6034 * rtl8169_get_stats - Get rtl8169 read/write statistics
6035 * @dev: The Ethernet Device to get statistics for
6036 *
6037 * Get TX/RX statistics for rtl8169
6038 */
6039 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
6040 {
6041 struct rtl8169_private *tp = netdev_priv(dev);
6042 void __iomem *ioaddr = tp->mmio_addr;
6043 unsigned long flags;
6044
6045 if (netif_running(dev)) {
6046 spin_lock_irqsave(&tp->lock, flags);
6047 rtl8169_rx_missed(dev, ioaddr);
6048 spin_unlock_irqrestore(&tp->lock, flags);
6049 }
6050
6051 return &dev->stats;
6052 }
6053
6054 static void rtl8169_net_suspend(struct net_device *dev)
6055 {
6056 struct rtl8169_private *tp = netdev_priv(dev);
6057
6058 if (!netif_running(dev))
6059 return;
6060
6061 rtl_pll_power_down(tp);
6062
6063 netif_device_detach(dev);
6064 netif_stop_queue(dev);
6065 }
6066
6067 #ifdef CONFIG_PM
6068
6069 static int rtl8169_suspend(struct device *device)
6070 {
6071 struct pci_dev *pdev = to_pci_dev(device);
6072 struct net_device *dev = pci_get_drvdata(pdev);
6073
6074 rtl8169_net_suspend(dev);
6075
6076 return 0;
6077 }
6078
6079 static void __rtl8169_resume(struct net_device *dev)
6080 {
6081 struct rtl8169_private *tp = netdev_priv(dev);
6082
6083 netif_device_attach(dev);
6084
6085 rtl_pll_power_up(tp);
6086
6087 rtl8169_schedule_work(dev, rtl8169_reset_task);
6088 }
6089
6090 static int rtl8169_resume(struct device *device)
6091 {
6092 struct pci_dev *pdev = to_pci_dev(device);
6093 struct net_device *dev = pci_get_drvdata(pdev);
6094 struct rtl8169_private *tp = netdev_priv(dev);
6095
6096 rtl8169_init_phy(dev, tp);
6097
6098 if (netif_running(dev))
6099 __rtl8169_resume(dev);
6100
6101 return 0;
6102 }
6103
6104 static int rtl8169_runtime_suspend(struct device *device)
6105 {
6106 struct pci_dev *pdev = to_pci_dev(device);
6107 struct net_device *dev = pci_get_drvdata(pdev);
6108 struct rtl8169_private *tp = netdev_priv(dev);
6109
6110 if (!tp->TxDescArray)
6111 return 0;
6112
6113 spin_lock_irq(&tp->lock);
6114 tp->saved_wolopts = __rtl8169_get_wol(tp);
6115 __rtl8169_set_wol(tp, WAKE_ANY);
6116 spin_unlock_irq(&tp->lock);
6117
6118 rtl8169_net_suspend(dev);
6119
6120 return 0;
6121 }
6122
6123 static int rtl8169_runtime_resume(struct device *device)
6124 {
6125 struct pci_dev *pdev = to_pci_dev(device);
6126 struct net_device *dev = pci_get_drvdata(pdev);
6127 struct rtl8169_private *tp = netdev_priv(dev);
6128
6129 if (!tp->TxDescArray)
6130 return 0;
6131
6132 spin_lock_irq(&tp->lock);
6133 __rtl8169_set_wol(tp, tp->saved_wolopts);
6134 tp->saved_wolopts = 0;
6135 spin_unlock_irq(&tp->lock);
6136
6137 rtl8169_init_phy(dev, tp);
6138
6139 __rtl8169_resume(dev);
6140
6141 return 0;
6142 }
6143
6144 static int rtl8169_runtime_idle(struct device *device)
6145 {
6146 struct pci_dev *pdev = to_pci_dev(device);
6147 struct net_device *dev = pci_get_drvdata(pdev);
6148 struct rtl8169_private *tp = netdev_priv(dev);
6149
6150 return tp->TxDescArray ? -EBUSY : 0;
6151 }
6152
6153 static const struct dev_pm_ops rtl8169_pm_ops = {
6154 .suspend = rtl8169_suspend,
6155 .resume = rtl8169_resume,
6156 .freeze = rtl8169_suspend,
6157 .thaw = rtl8169_resume,
6158 .poweroff = rtl8169_suspend,
6159 .restore = rtl8169_resume,
6160 .runtime_suspend = rtl8169_runtime_suspend,
6161 .runtime_resume = rtl8169_runtime_resume,
6162 .runtime_idle = rtl8169_runtime_idle,
6163 };
6164
6165 #define RTL8169_PM_OPS (&rtl8169_pm_ops)
6166
6167 #else /* !CONFIG_PM */
6168
6169 #define RTL8169_PM_OPS NULL
6170
6171 #endif /* !CONFIG_PM */
6172
6173 static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
6174 {
6175 void __iomem *ioaddr = tp->mmio_addr;
6176
6177 /* WoL fails with 8168b when the receiver is disabled. */
6178 switch (tp->mac_version) {
6179 case RTL_GIGA_MAC_VER_11:
6180 case RTL_GIGA_MAC_VER_12:
6181 case RTL_GIGA_MAC_VER_17:
6182 pci_clear_master(tp->pci_dev);
6183
6184 RTL_W8(ChipCmd, CmdRxEnb);
6185 /* PCI commit */
6186 RTL_R8(ChipCmd);
6187 break;
6188 default:
6189 break;
6190 }
6191 }
6192
6193 static void rtl_shutdown(struct pci_dev *pdev)
6194 {
6195 struct net_device *dev = pci_get_drvdata(pdev);
6196 struct rtl8169_private *tp = netdev_priv(dev);
6197 struct device *d = &pdev->dev;
6198
6199 pm_runtime_get_sync(d);
6200
6201 rtl8169_net_suspend(dev);
6202
6203 /* Restore original MAC address */
6204 rtl_rar_set(tp, dev->perm_addr);
6205
6206 spin_lock_irq(&tp->lock);
6207
6208 rtl8169_hw_reset(tp);
6209
6210 spin_unlock_irq(&tp->lock);
6211
6212 if (system_state == SYSTEM_POWER_OFF) {
6213 if (__rtl8169_get_wol(tp) & WAKE_ANY) {
6214 rtl_wol_suspend_quirk(tp);
6215 rtl_wol_shutdown_quirk(tp);
6216 }
6217
6218 pci_wake_from_d3(pdev, true);
6219 pci_set_power_state(pdev, PCI_D3hot);
6220 }
6221
6222 pm_runtime_put_noidle(d);
6223 }
6224
6225 static struct pci_driver rtl8169_pci_driver = {
6226 .name = MODULENAME,
6227 .id_table = rtl8169_pci_tbl,
6228 .probe = rtl8169_init_one,
6229 .remove = __devexit_p(rtl8169_remove_one),
6230 .shutdown = rtl_shutdown,
6231 .driver.pm = RTL8169_PM_OPS,
6232 };
6233
6234 static int __init rtl8169_init_module(void)
6235 {
6236 return pci_register_driver(&rtl8169_pci_driver);
6237 }
6238
6239 static void __exit rtl8169_cleanup_module(void)
6240 {
6241 pci_unregister_driver(&rtl8169_pci_driver);
6242 }
6243
6244 module_init(rtl8169_init_module);
6245 module_exit(rtl8169_cleanup_module);