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ipv6: fix route error binding peer in func icmp6_dst_alloc
[linux/fpc-iii.git] / drivers / net / r8169.c
blob6d657cabb9514ed503368dcc4e410326e5ff5b08
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_8105E_1 "rtl_nic/rtl8105e-1.fw"
46
47 #ifdef RTL8169_DEBUG
48 #define assert(expr) \
49 if (!(expr)) { \
50 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
51 #expr,__FILE__,__func__,__LINE__); \
52 }
53 #define dprintk(fmt, args...) \
54 do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
55 #else
56 #define assert(expr) do {} while (0)
57 #define dprintk(fmt, args...) do {} while (0)
58 #endif /* RTL8169_DEBUG */
59
60 #define R8169_MSG_DEFAULT \
61 (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
62
63 #define TX_BUFFS_AVAIL(tp) \
64 (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
65
66 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
67 The RTL chips use a 64 element hash table based on the Ethernet CRC. */
68 static const int multicast_filter_limit = 32;
69
70 /* MAC address length */
71 #define MAC_ADDR_LEN 6
72
73 #define MAX_READ_REQUEST_SHIFT 12
74 #define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
75 #define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */
76 #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
77
78 #define R8169_REGS_SIZE 256
79 #define R8169_NAPI_WEIGHT 64
80 #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */
81 #define NUM_RX_DESC 256 /* Number of Rx descriptor registers */
82 #define RX_BUF_SIZE 1536 /* Rx Buffer size */
83 #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
84 #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
85
86 #define RTL8169_TX_TIMEOUT (6*HZ)
87 #define RTL8169_PHY_TIMEOUT (10*HZ)
88
89 #define RTL_EEPROM_SIG cpu_to_le32(0x8129)
90 #define RTL_EEPROM_SIG_MASK cpu_to_le32(0xffff)
91 #define RTL_EEPROM_SIG_ADDR 0x0000
92
93 /* write/read MMIO register */
94 #define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
95 #define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
96 #define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
97 #define RTL_R8(reg) readb (ioaddr + (reg))
98 #define RTL_R16(reg) readw (ioaddr + (reg))
99 #define RTL_R32(reg) readl (ioaddr + (reg))
100
101 enum mac_version {
102 RTL_GIGA_MAC_VER_01 = 0,
103 RTL_GIGA_MAC_VER_02,
104 RTL_GIGA_MAC_VER_03,
105 RTL_GIGA_MAC_VER_04,
106 RTL_GIGA_MAC_VER_05,
107 RTL_GIGA_MAC_VER_06,
108 RTL_GIGA_MAC_VER_07,
109 RTL_GIGA_MAC_VER_08,
110 RTL_GIGA_MAC_VER_09,
111 RTL_GIGA_MAC_VER_10,
112 RTL_GIGA_MAC_VER_11,
113 RTL_GIGA_MAC_VER_12,
114 RTL_GIGA_MAC_VER_13,
115 RTL_GIGA_MAC_VER_14,
116 RTL_GIGA_MAC_VER_15,
117 RTL_GIGA_MAC_VER_16,
118 RTL_GIGA_MAC_VER_17,
119 RTL_GIGA_MAC_VER_18,
120 RTL_GIGA_MAC_VER_19,
121 RTL_GIGA_MAC_VER_20,
122 RTL_GIGA_MAC_VER_21,
123 RTL_GIGA_MAC_VER_22,
124 RTL_GIGA_MAC_VER_23,
125 RTL_GIGA_MAC_VER_24,
126 RTL_GIGA_MAC_VER_25,
127 RTL_GIGA_MAC_VER_26,
128 RTL_GIGA_MAC_VER_27,
129 RTL_GIGA_MAC_VER_28,
130 RTL_GIGA_MAC_VER_29,
131 RTL_GIGA_MAC_VER_30,
132 RTL_GIGA_MAC_VER_31,
133 RTL_GIGA_MAC_VER_32,
134 RTL_GIGA_MAC_VER_33,
135 RTL_GIGA_MAC_VER_34,
136 RTL_GIGA_MAC_NONE = 0xff,
137 };
138
139 enum rtl_tx_desc_version {
140 RTL_TD_0 = 0,
141 RTL_TD_1 = 1,
142 };
143
144 #define _R(NAME,TD,FW) \
145 { .name = NAME, .txd_version = TD, .fw_name = FW }
146
147 static const struct {
148 const char *name;
149 enum rtl_tx_desc_version txd_version;
150 const char *fw_name;
151 } rtl_chip_infos[] = {
152 /* PCI devices. */
153 [RTL_GIGA_MAC_VER_01] =
154 _R("RTL8169", RTL_TD_0, NULL),
155 [RTL_GIGA_MAC_VER_02] =
156 _R("RTL8169s", RTL_TD_0, NULL),
157 [RTL_GIGA_MAC_VER_03] =
158 _R("RTL8110s", RTL_TD_0, NULL),
159 [RTL_GIGA_MAC_VER_04] =
160 _R("RTL8169sb/8110sb", RTL_TD_0, NULL),
161 [RTL_GIGA_MAC_VER_05] =
162 _R("RTL8169sc/8110sc", RTL_TD_0, NULL),
163 [RTL_GIGA_MAC_VER_06] =
164 _R("RTL8169sc/8110sc", RTL_TD_0, NULL),
165 /* PCI-E devices. */
166 [RTL_GIGA_MAC_VER_07] =
167 _R("RTL8102e", RTL_TD_1, NULL),
168 [RTL_GIGA_MAC_VER_08] =
169 _R("RTL8102e", RTL_TD_1, NULL),
170 [RTL_GIGA_MAC_VER_09] =
171 _R("RTL8102e", RTL_TD_1, NULL),
172 [RTL_GIGA_MAC_VER_10] =
173 _R("RTL8101e", RTL_TD_0, NULL),
174 [RTL_GIGA_MAC_VER_11] =
175 _R("RTL8168b/8111b", RTL_TD_0, NULL),
176 [RTL_GIGA_MAC_VER_12] =
177 _R("RTL8168b/8111b", RTL_TD_0, NULL),
178 [RTL_GIGA_MAC_VER_13] =
179 _R("RTL8101e", RTL_TD_0, NULL),
180 [RTL_GIGA_MAC_VER_14] =
181 _R("RTL8100e", RTL_TD_0, NULL),
182 [RTL_GIGA_MAC_VER_15] =
183 _R("RTL8100e", RTL_TD_0, NULL),
184 [RTL_GIGA_MAC_VER_16] =
185 _R("RTL8101e", RTL_TD_0, NULL),
186 [RTL_GIGA_MAC_VER_17] =
187 _R("RTL8168b/8111b", RTL_TD_0, NULL),
188 [RTL_GIGA_MAC_VER_18] =
189 _R("RTL8168cp/8111cp", RTL_TD_1, NULL),
190 [RTL_GIGA_MAC_VER_19] =
191 _R("RTL8168c/8111c", RTL_TD_1, NULL),
192 [RTL_GIGA_MAC_VER_20] =
193 _R("RTL8168c/8111c", RTL_TD_1, NULL),
194 [RTL_GIGA_MAC_VER_21] =
195 _R("RTL8168c/8111c", RTL_TD_1, NULL),
196 [RTL_GIGA_MAC_VER_22] =
197 _R("RTL8168c/8111c", RTL_TD_1, NULL),
198 [RTL_GIGA_MAC_VER_23] =
199 _R("RTL8168cp/8111cp", RTL_TD_1, NULL),
200 [RTL_GIGA_MAC_VER_24] =
201 _R("RTL8168cp/8111cp", RTL_TD_1, NULL),
202 [RTL_GIGA_MAC_VER_25] =
203 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_1),
204 [RTL_GIGA_MAC_VER_26] =
205 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_2),
206 [RTL_GIGA_MAC_VER_27] =
207 _R("RTL8168dp/8111dp", RTL_TD_1, NULL),
208 [RTL_GIGA_MAC_VER_28] =
209 _R("RTL8168dp/8111dp", RTL_TD_1, NULL),
210 [RTL_GIGA_MAC_VER_29] =
211 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1),
212 [RTL_GIGA_MAC_VER_30] =
213 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1),
214 [RTL_GIGA_MAC_VER_31] =
215 _R("RTL8168dp/8111dp", RTL_TD_1, NULL),
216 [RTL_GIGA_MAC_VER_32] =
217 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_1),
218 [RTL_GIGA_MAC_VER_33] =
219 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_2),
220 [RTL_GIGA_MAC_VER_34] =
221 _R("RTL8168evl/8111evl",RTL_TD_1, FIRMWARE_8168E_3)
222 };
223 #undef _R
224
225 enum cfg_version {
226 RTL_CFG_0 = 0x00,
227 RTL_CFG_1,
228 RTL_CFG_2
229 };
230
231 static void rtl_hw_start_8169(struct net_device *);
232 static void rtl_hw_start_8168(struct net_device *);
233 static void rtl_hw_start_8101(struct net_device *);
234
235 static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
236 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
237 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
238 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
239 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 },
240 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 },
241 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 },
242 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4302), 0, 0, RTL_CFG_0 },
243 { PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 },
244 { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 },
245 { PCI_VENDOR_ID_LINKSYS, 0x1032,
246 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
247 { 0x0001, 0x8168,
248 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
249 {0,},
250 };
251
252 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
253
254 static int rx_buf_sz = 16383;
255 static int use_dac;
256 static struct {
257 u32 msg_enable;
258 } debug = { -1 };
259
260 enum rtl_registers {
261 MAC0 = 0, /* Ethernet hardware address. */
262 MAC4 = 4,
263 MAR0 = 8, /* Multicast filter. */
264 CounterAddrLow = 0x10,
265 CounterAddrHigh = 0x14,
266 TxDescStartAddrLow = 0x20,
267 TxDescStartAddrHigh = 0x24,
268 TxHDescStartAddrLow = 0x28,
269 TxHDescStartAddrHigh = 0x2c,
270 FLASH = 0x30,
271 ERSR = 0x36,
272 ChipCmd = 0x37,
273 TxPoll = 0x38,
274 IntrMask = 0x3c,
275 IntrStatus = 0x3e,
276
277 TxConfig = 0x40,
278 #define TXCFG_AUTO_FIFO (1 << 7) /* 8111e-vl */
279 #define TXCFG_EMPTY (1 << 11) /* 8111e-vl */
280
281 RxConfig = 0x44,
282 #define RX128_INT_EN (1 << 15) /* 8111c and later */
283 #define RX_MULTI_EN (1 << 14) /* 8111c only */
284 #define RXCFG_FIFO_SHIFT 13
285 /* No threshold before first PCI xfer */
286 #define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT)
287 #define RXCFG_DMA_SHIFT 8
288 /* Unlimited maximum PCI burst. */
289 #define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT)
290
291 RxMissed = 0x4c,
292 Cfg9346 = 0x50,
293 Config0 = 0x51,
294 Config1 = 0x52,
295 Config2 = 0x53,
296 Config3 = 0x54,
297 Config4 = 0x55,
298 Config5 = 0x56,
299 MultiIntr = 0x5c,
300 PHYAR = 0x60,
301 PHYstatus = 0x6c,
302 RxMaxSize = 0xda,
303 CPlusCmd = 0xe0,
304 IntrMitigate = 0xe2,
305 RxDescAddrLow = 0xe4,
306 RxDescAddrHigh = 0xe8,
307 EarlyTxThres = 0xec, /* 8169. Unit of 32 bytes. */
308
309 #define NoEarlyTx 0x3f /* Max value : no early transmit. */
310
311 MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
312
313 #define TxPacketMax (8064 >> 7)
314
315 FuncEvent = 0xf0,
316 FuncEventMask = 0xf4,
317 FuncPresetState = 0xf8,
318 FuncForceEvent = 0xfc,
319 };
320
321 enum rtl8110_registers {
322 TBICSR = 0x64,
323 TBI_ANAR = 0x68,
324 TBI_LPAR = 0x6a,
325 };
326
327 enum rtl8168_8101_registers {
328 CSIDR = 0x64,
329 CSIAR = 0x68,
330 #define CSIAR_FLAG 0x80000000
331 #define CSIAR_WRITE_CMD 0x80000000
332 #define CSIAR_BYTE_ENABLE 0x0f
333 #define CSIAR_BYTE_ENABLE_SHIFT 12
334 #define CSIAR_ADDR_MASK 0x0fff
335 PMCH = 0x6f,
336 EPHYAR = 0x80,
337 #define EPHYAR_FLAG 0x80000000
338 #define EPHYAR_WRITE_CMD 0x80000000
339 #define EPHYAR_REG_MASK 0x1f
340 #define EPHYAR_REG_SHIFT 16
341 #define EPHYAR_DATA_MASK 0xffff
342 DLLPR = 0xd0,
343 #define PFM_EN (1 << 6)
344 DBG_REG = 0xd1,
345 #define FIX_NAK_1 (1 << 4)
346 #define FIX_NAK_2 (1 << 3)
347 TWSI = 0xd2,
348 MCU = 0xd3,
349 #define NOW_IS_OOB (1 << 7)
350 #define EN_NDP (1 << 3)
351 #define EN_OOB_RESET (1 << 2)
352 EFUSEAR = 0xdc,
353 #define EFUSEAR_FLAG 0x80000000
354 #define EFUSEAR_WRITE_CMD 0x80000000
355 #define EFUSEAR_READ_CMD 0x00000000
356 #define EFUSEAR_REG_MASK 0x03ff
357 #define EFUSEAR_REG_SHIFT 8
358 #define EFUSEAR_DATA_MASK 0xff
359 };
360
361 enum rtl8168_registers {
362 LED_FREQ = 0x1a,
363 EEE_LED = 0x1b,
364 ERIDR = 0x70,
365 ERIAR = 0x74,
366 #define ERIAR_FLAG 0x80000000
367 #define ERIAR_WRITE_CMD 0x80000000
368 #define ERIAR_READ_CMD 0x00000000
369 #define ERIAR_ADDR_BYTE_ALIGN 4
370 #define ERIAR_TYPE_SHIFT 16
371 #define ERIAR_EXGMAC (0x00 << ERIAR_TYPE_SHIFT)
372 #define ERIAR_MSIX (0x01 << ERIAR_TYPE_SHIFT)
373 #define ERIAR_ASF (0x02 << ERIAR_TYPE_SHIFT)
374 #define ERIAR_MASK_SHIFT 12
375 #define ERIAR_MASK_0001 (0x1 << ERIAR_MASK_SHIFT)
376 #define ERIAR_MASK_0011 (0x3 << ERIAR_MASK_SHIFT)
377 #define ERIAR_MASK_1111 (0xf << ERIAR_MASK_SHIFT)
378 EPHY_RXER_NUM = 0x7c,
379 OCPDR = 0xb0, /* OCP GPHY access */
380 #define OCPDR_WRITE_CMD 0x80000000
381 #define OCPDR_READ_CMD 0x00000000
382 #define OCPDR_REG_MASK 0x7f
383 #define OCPDR_GPHY_REG_SHIFT 16
384 #define OCPDR_DATA_MASK 0xffff
385 OCPAR = 0xb4,
386 #define OCPAR_FLAG 0x80000000
387 #define OCPAR_GPHY_WRITE_CMD 0x8000f060
388 #define OCPAR_GPHY_READ_CMD 0x0000f060
389 RDSAR1 = 0xd0, /* 8168c only. Undocumented on 8168dp */
390 MISC = 0xf0, /* 8168e only. */
391 #define TXPLA_RST (1 << 29)
392 #define PWM_EN (1 << 22)
393 };
394
395 enum rtl_register_content {
396 /* InterruptStatusBits */
397 SYSErr = 0x8000,
398 PCSTimeout = 0x4000,
399 SWInt = 0x0100,
400 TxDescUnavail = 0x0080,
401 RxFIFOOver = 0x0040,
402 LinkChg = 0x0020,
403 RxOverflow = 0x0010,
404 TxErr = 0x0008,
405 TxOK = 0x0004,
406 RxErr = 0x0002,
407 RxOK = 0x0001,
408
409 /* RxStatusDesc */
410 RxBOVF = (1 << 24),
411 RxFOVF = (1 << 23),
412 RxRWT = (1 << 22),
413 RxRES = (1 << 21),
414 RxRUNT = (1 << 20),
415 RxCRC = (1 << 19),
416
417 /* ChipCmdBits */
418 StopReq = 0x80,
419 CmdReset = 0x10,
420 CmdRxEnb = 0x08,
421 CmdTxEnb = 0x04,
422 RxBufEmpty = 0x01,
423
424 /* TXPoll register p.5 */
425 HPQ = 0x80, /* Poll cmd on the high prio queue */
426 NPQ = 0x40, /* Poll cmd on the low prio queue */
427 FSWInt = 0x01, /* Forced software interrupt */
428
429 /* Cfg9346Bits */
430 Cfg9346_Lock = 0x00,
431 Cfg9346_Unlock = 0xc0,
432
433 /* rx_mode_bits */
434 AcceptErr = 0x20,
435 AcceptRunt = 0x10,
436 AcceptBroadcast = 0x08,
437 AcceptMulticast = 0x04,
438 AcceptMyPhys = 0x02,
439 AcceptAllPhys = 0x01,
440 #define RX_CONFIG_ACCEPT_MASK 0x3f
441
442 /* TxConfigBits */
443 TxInterFrameGapShift = 24,
444 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
445
446 /* Config1 register p.24 */
447 LEDS1 = (1 << 7),
448 LEDS0 = (1 << 6),
449 MSIEnable = (1 << 5), /* Enable Message Signaled Interrupt */
450 Speed_down = (1 << 4),
451 MEMMAP = (1 << 3),
452 IOMAP = (1 << 2),
453 VPD = (1 << 1),
454 PMEnable = (1 << 0), /* Power Management Enable */
455
456 /* Config2 register p. 25 */
457 PCI_Clock_66MHz = 0x01,
458 PCI_Clock_33MHz = 0x00,
459
460 /* Config3 register p.25 */
461 MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
462 LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */
463 Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */
464
465 /* Config5 register p.27 */
466 BWF = (1 << 6), /* Accept Broadcast wakeup frame */
467 MWF = (1 << 5), /* Accept Multicast wakeup frame */
468 UWF = (1 << 4), /* Accept Unicast wakeup frame */
469 Spi_en = (1 << 3),
470 LanWake = (1 << 1), /* LanWake enable/disable */
471 PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
472
473 /* TBICSR p.28 */
474 TBIReset = 0x80000000,
475 TBILoopback = 0x40000000,
476 TBINwEnable = 0x20000000,
477 TBINwRestart = 0x10000000,
478 TBILinkOk = 0x02000000,
479 TBINwComplete = 0x01000000,
480
481 /* CPlusCmd p.31 */
482 EnableBist = (1 << 15), // 8168 8101
483 Mac_dbgo_oe = (1 << 14), // 8168 8101
484 Normal_mode = (1 << 13), // unused
485 Force_half_dup = (1 << 12), // 8168 8101
486 Force_rxflow_en = (1 << 11), // 8168 8101
487 Force_txflow_en = (1 << 10), // 8168 8101
488 Cxpl_dbg_sel = (1 << 9), // 8168 8101
489 ASF = (1 << 8), // 8168 8101
490 PktCntrDisable = (1 << 7), // 8168 8101
491 Mac_dbgo_sel = 0x001c, // 8168
492 RxVlan = (1 << 6),
493 RxChkSum = (1 << 5),
494 PCIDAC = (1 << 4),
495 PCIMulRW = (1 << 3),
496 INTT_0 = 0x0000, // 8168
497 INTT_1 = 0x0001, // 8168
498 INTT_2 = 0x0002, // 8168
499 INTT_3 = 0x0003, // 8168
500
501 /* rtl8169_PHYstatus */
502 TBI_Enable = 0x80,
503 TxFlowCtrl = 0x40,
504 RxFlowCtrl = 0x20,
505 _1000bpsF = 0x10,
506 _100bps = 0x08,
507 _10bps = 0x04,
508 LinkStatus = 0x02,
509 FullDup = 0x01,
510
511 /* _TBICSRBit */
512 TBILinkOK = 0x02000000,
513
514 /* DumpCounterCommand */
515 CounterDump = 0x8,
516 };
517
518 enum rtl_desc_bit {
519 /* First doubleword. */
520 DescOwn = (1 << 31), /* Descriptor is owned by NIC */
521 RingEnd = (1 << 30), /* End of descriptor ring */
522 FirstFrag = (1 << 29), /* First segment of a packet */
523 LastFrag = (1 << 28), /* Final segment of a packet */
524 };
525
526 /* Generic case. */
527 enum rtl_tx_desc_bit {
528 /* First doubleword. */
529 TD_LSO = (1 << 27), /* Large Send Offload */
530 #define TD_MSS_MAX 0x07ffu /* MSS value */
531
532 /* Second doubleword. */
533 TxVlanTag = (1 << 17), /* Add VLAN tag */
534 };
535
536 /* 8169, 8168b and 810x except 8102e. */
537 enum rtl_tx_desc_bit_0 {
538 /* First doubleword. */
539 #define TD0_MSS_SHIFT 16 /* MSS position (11 bits) */
540 TD0_TCP_CS = (1 << 16), /* Calculate TCP/IP checksum */
541 TD0_UDP_CS = (1 << 17), /* Calculate UDP/IP checksum */
542 TD0_IP_CS = (1 << 18), /* Calculate IP checksum */
543 };
544
545 /* 8102e, 8168c and beyond. */
546 enum rtl_tx_desc_bit_1 {
547 /* Second doubleword. */
548 #define TD1_MSS_SHIFT 18 /* MSS position (11 bits) */
549 TD1_IP_CS = (1 << 29), /* Calculate IP checksum */
550 TD1_TCP_CS = (1 << 30), /* Calculate TCP/IP checksum */
551 TD1_UDP_CS = (1 << 31), /* Calculate UDP/IP checksum */
552 };
553
554 static const struct rtl_tx_desc_info {
555 struct {
556 u32 udp;
557 u32 tcp;
558 } checksum;
559 u16 mss_shift;
560 u16 opts_offset;
561 } tx_desc_info [] = {
562 [RTL_TD_0] = {
563 .checksum = {
564 .udp = TD0_IP_CS | TD0_UDP_CS,
565 .tcp = TD0_IP_CS | TD0_TCP_CS
566 },
567 .mss_shift = TD0_MSS_SHIFT,
568 .opts_offset = 0
569 },
570 [RTL_TD_1] = {
571 .checksum = {
572 .udp = TD1_IP_CS | TD1_UDP_CS,
573 .tcp = TD1_IP_CS | TD1_TCP_CS
574 },
575 .mss_shift = TD1_MSS_SHIFT,
576 .opts_offset = 1
577 }
578 };
579
580 enum rtl_rx_desc_bit {
581 /* Rx private */
582 PID1 = (1 << 18), /* Protocol ID bit 1/2 */
583 PID0 = (1 << 17), /* Protocol ID bit 2/2 */
584
585 #define RxProtoUDP (PID1)
586 #define RxProtoTCP (PID0)
587 #define RxProtoIP (PID1 | PID0)
588 #define RxProtoMask RxProtoIP
589
590 IPFail = (1 << 16), /* IP checksum failed */
591 UDPFail = (1 << 15), /* UDP/IP checksum failed */
592 TCPFail = (1 << 14), /* TCP/IP checksum failed */
593 RxVlanTag = (1 << 16), /* VLAN tag available */
594 };
595
596 #define RsvdMask 0x3fffc000
597
598 struct TxDesc {
599 __le32 opts1;
600 __le32 opts2;
601 __le64 addr;
602 };
603
604 struct RxDesc {
605 __le32 opts1;
606 __le32 opts2;
607 __le64 addr;
608 };
609
610 struct ring_info {
611 struct sk_buff *skb;
612 u32 len;
613 u8 __pad[sizeof(void *) - sizeof(u32)];
614 };
615
616 enum features {
617 RTL_FEATURE_WOL = (1 << 0),
618 RTL_FEATURE_MSI = (1 << 1),
619 RTL_FEATURE_GMII = (1 << 2),
620 };
621
622 struct rtl8169_counters {
623 __le64 tx_packets;
624 __le64 rx_packets;
625 __le64 tx_errors;
626 __le32 rx_errors;
627 __le16 rx_missed;
628 __le16 align_errors;
629 __le32 tx_one_collision;
630 __le32 tx_multi_collision;
631 __le64 rx_unicast;
632 __le64 rx_broadcast;
633 __le32 rx_multicast;
634 __le16 tx_aborted;
635 __le16 tx_underun;
636 };
637
638 struct rtl8169_private {
639 void __iomem *mmio_addr; /* memory map physical address */
640 struct pci_dev *pci_dev;
641 struct net_device *dev;
642 struct napi_struct napi;
643 spinlock_t lock;
644 u32 msg_enable;
645 u16 txd_version;
646 u16 mac_version;
647 u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
648 u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
649 u32 dirty_rx;
650 u32 dirty_tx;
651 struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
652 struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
653 dma_addr_t TxPhyAddr;
654 dma_addr_t RxPhyAddr;
655 void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
656 struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
657 struct timer_list timer;
658 u16 cp_cmd;
659 u16 intr_event;
660 u16 napi_event;
661 u16 intr_mask;
662
663 struct mdio_ops {
664 void (*write)(void __iomem *, int, int);
665 int (*read)(void __iomem *, int);
666 } mdio_ops;
667
668 struct pll_power_ops {
669 void (*down)(struct rtl8169_private *);
670 void (*up)(struct rtl8169_private *);
671 } pll_power_ops;
672
673 int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
674 int (*get_settings)(struct net_device *, struct ethtool_cmd *);
675 void (*phy_reset_enable)(struct rtl8169_private *tp);
676 void (*hw_start)(struct net_device *);
677 unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
678 unsigned int (*link_ok)(void __iomem *);
679 int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
680 struct delayed_work task;
681 unsigned features;
682
683 struct mii_if_info mii;
684 struct rtl8169_counters counters;
685 u32 saved_wolopts;
686 u32 opts1_mask;
687
688 struct rtl_fw {
689 const struct firmware *fw;
690
691 #define RTL_VER_SIZE 32
692
693 char version[RTL_VER_SIZE];
694
695 struct rtl_fw_phy_action {
696 __le32 *code;
697 size_t size;
698 } phy_action;
699 } *rtl_fw;
700 #define RTL_FIRMWARE_UNKNOWN ERR_PTR(-EAGAIN)
701 };
702
703 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
704 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
705 module_param(use_dac, int, 0);
706 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
707 module_param_named(debug, debug.msg_enable, int, 0);
708 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
709 MODULE_LICENSE("GPL");
710 MODULE_VERSION(RTL8169_VERSION);
711 MODULE_FIRMWARE(FIRMWARE_8168D_1);
712 MODULE_FIRMWARE(FIRMWARE_8168D_2);
713 MODULE_FIRMWARE(FIRMWARE_8168E_1);
714 MODULE_FIRMWARE(FIRMWARE_8168E_2);
715 MODULE_FIRMWARE(FIRMWARE_8168E_3);
716 MODULE_FIRMWARE(FIRMWARE_8105E_1);
717
718 static int rtl8169_open(struct net_device *dev);
719 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
720 struct net_device *dev);
721 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
722 static int rtl8169_init_ring(struct net_device *dev);
723 static void rtl_hw_start(struct net_device *dev);
724 static int rtl8169_close(struct net_device *dev);
725 static void rtl_set_rx_mode(struct net_device *dev);
726 static void rtl8169_tx_timeout(struct net_device *dev);
727 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
728 static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
729 void __iomem *, u32 budget);
730 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
731 static void rtl8169_down(struct net_device *dev);
732 static void rtl8169_rx_clear(struct rtl8169_private *tp);
733 static int rtl8169_poll(struct napi_struct *napi, int budget);
734
735 static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
736 {
737 void __iomem *ioaddr = tp->mmio_addr;
738 int i;
739
740 RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
741 for (i = 0; i < 20; i++) {
742 udelay(100);
743 if (RTL_R32(OCPAR) & OCPAR_FLAG)
744 break;
745 }
746 return RTL_R32(OCPDR);
747 }
748
749 static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
750 {
751 void __iomem *ioaddr = tp->mmio_addr;
752 int i;
753
754 RTL_W32(OCPDR, data);
755 RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
756 for (i = 0; i < 20; i++) {
757 udelay(100);
758 if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)
759 break;
760 }
761 }
762
763 static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
764 {
765 void __iomem *ioaddr = tp->mmio_addr;
766 int i;
767
768 RTL_W8(ERIDR, cmd);
769 RTL_W32(ERIAR, 0x800010e8);
770 msleep(2);
771 for (i = 0; i < 5; i++) {
772 udelay(100);
773 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
774 break;
775 }
776
777 ocp_write(tp, 0x1, 0x30, 0x00000001);
778 }
779
780 #define OOB_CMD_RESET 0x00
781 #define OOB_CMD_DRIVER_START 0x05
782 #define OOB_CMD_DRIVER_STOP 0x06
783
784 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
785 {
786 return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
787 }
788
789 static void rtl8168_driver_start(struct rtl8169_private *tp)
790 {
791 u16 reg;
792 int i;
793
794 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
795
796 reg = rtl8168_get_ocp_reg(tp);
797
798 for (i = 0; i < 10; i++) {
799 msleep(10);
800 if (ocp_read(tp, 0x0f, reg) & 0x00000800)
801 break;
802 }
803 }
804
805 static void rtl8168_driver_stop(struct rtl8169_private *tp)
806 {
807 u16 reg;
808 int i;
809
810 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
811
812 reg = rtl8168_get_ocp_reg(tp);
813
814 for (i = 0; i < 10; i++) {
815 msleep(10);
816 if ((ocp_read(tp, 0x0f, reg) & 0x00000800) == 0)
817 break;
818 }
819 }
820
821 static int r8168dp_check_dash(struct rtl8169_private *tp)
822 {
823 u16 reg = rtl8168_get_ocp_reg(tp);
824
825 return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
826 }
827
828 static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
829 {
830 int i;
831
832 RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
833
834 for (i = 20; i > 0; i--) {
835 /*
836 * Check if the RTL8169 has completed writing to the specified
837 * MII register.
838 */
839 if (!(RTL_R32(PHYAR) & 0x80000000))
840 break;
841 udelay(25);
842 }
843 /*
844 * According to hardware specs a 20us delay is required after write
845 * complete indication, but before sending next command.
846 */
847 udelay(20);
848 }
849
850 static int r8169_mdio_read(void __iomem *ioaddr, int reg_addr)
851 {
852 int i, value = -1;
853
854 RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
855
856 for (i = 20; i > 0; i--) {
857 /*
858 * Check if the RTL8169 has completed retrieving data from
859 * the specified MII register.
860 */
861 if (RTL_R32(PHYAR) & 0x80000000) {
862 value = RTL_R32(PHYAR) & 0xffff;
863 break;
864 }
865 udelay(25);
866 }
867 /*
868 * According to hardware specs a 20us delay is required after read
869 * complete indication, but before sending next command.
870 */
871 udelay(20);
872
873 return value;
874 }
875
876 static void r8168dp_1_mdio_access(void __iomem *ioaddr, int reg_addr, u32 data)
877 {
878 int i;
879
880 RTL_W32(OCPDR, data |
881 ((reg_addr & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
882 RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
883 RTL_W32(EPHY_RXER_NUM, 0);
884
885 for (i = 0; i < 100; i++) {
886 mdelay(1);
887 if (!(RTL_R32(OCPAR) & OCPAR_FLAG))
888 break;
889 }
890 }
891
892 static void r8168dp_1_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
893 {
894 r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_WRITE_CMD |
895 (value & OCPDR_DATA_MASK));
896 }
897
898 static int r8168dp_1_mdio_read(void __iomem *ioaddr, int reg_addr)
899 {
900 int i;
901
902 r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_READ_CMD);
903
904 mdelay(1);
905 RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
906 RTL_W32(EPHY_RXER_NUM, 0);
907
908 for (i = 0; i < 100; i++) {
909 mdelay(1);
910 if (RTL_R32(OCPAR) & OCPAR_FLAG)
911 break;
912 }
913
914 return RTL_R32(OCPDR) & OCPDR_DATA_MASK;
915 }
916
917 #define R8168DP_1_MDIO_ACCESS_BIT 0x00020000
918
919 static void r8168dp_2_mdio_start(void __iomem *ioaddr)
920 {
921 RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
922 }
923
924 static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
925 {
926 RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
927 }
928
929 static void r8168dp_2_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
930 {
931 r8168dp_2_mdio_start(ioaddr);
932
933 r8169_mdio_write(ioaddr, reg_addr, value);
934
935 r8168dp_2_mdio_stop(ioaddr);
936 }
937
938 static int r8168dp_2_mdio_read(void __iomem *ioaddr, int reg_addr)
939 {
940 int value;
941
942 r8168dp_2_mdio_start(ioaddr);
943
944 value = r8169_mdio_read(ioaddr, reg_addr);
945
946 r8168dp_2_mdio_stop(ioaddr);
947
948 return value;
949 }
950
951 static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
952 {
953 tp->mdio_ops.write(tp->mmio_addr, location, val);
954 }
955
956 static int rtl_readphy(struct rtl8169_private *tp, int location)
957 {
958 return tp->mdio_ops.read(tp->mmio_addr, location);
959 }
960
961 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
962 {
963 rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
964 }
965
966 static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
967 {
968 int val;
969
970 val = rtl_readphy(tp, reg_addr);
971 rtl_writephy(tp, reg_addr, (val | p) & ~m);
972 }
973
974 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
975 int val)
976 {
977 struct rtl8169_private *tp = netdev_priv(dev);
978
979 rtl_writephy(tp, location, val);
980 }
981
982 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
983 {
984 struct rtl8169_private *tp = netdev_priv(dev);
985
986 return rtl_readphy(tp, location);
987 }
988
989 static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
990 {
991 unsigned int i;
992
993 RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
994 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
995
996 for (i = 0; i < 100; i++) {
997 if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
998 break;
999 udelay(10);
1000 }
1001 }
1002
1003 static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
1004 {
1005 u16 value = 0xffff;
1006 unsigned int i;
1007
1008 RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1009
1010 for (i = 0; i < 100; i++) {
1011 if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
1012 value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
1013 break;
1014 }
1015 udelay(10);
1016 }
1017
1018 return value;
1019 }
1020
1021 static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
1022 {
1023 unsigned int i;
1024
1025 RTL_W32(CSIDR, value);
1026 RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
1027 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1028
1029 for (i = 0; i < 100; i++) {
1030 if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
1031 break;
1032 udelay(10);
1033 }
1034 }
1035
1036 static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
1037 {
1038 u32 value = ~0x00;
1039 unsigned int i;
1040
1041 RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
1042 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1043
1044 for (i = 0; i < 100; i++) {
1045 if (RTL_R32(CSIAR) & CSIAR_FLAG) {
1046 value = RTL_R32(CSIDR);
1047 break;
1048 }
1049 udelay(10);
1050 }
1051
1052 return value;
1053 }
1054
1055 static
1056 void rtl_eri_write(void __iomem *ioaddr, int addr, u32 mask, u32 val, int type)
1057 {
1058 unsigned int i;
1059
1060 BUG_ON((addr & 3) || (mask == 0));
1061 RTL_W32(ERIDR, val);
1062 RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1063
1064 for (i = 0; i < 100; i++) {
1065 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
1066 break;
1067 udelay(100);
1068 }
1069 }
1070
1071 static u32 rtl_eri_read(void __iomem *ioaddr, int addr, int type)
1072 {
1073 u32 value = ~0x00;
1074 unsigned int i;
1075
1076 RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1077
1078 for (i = 0; i < 100; i++) {
1079 if (RTL_R32(ERIAR) & ERIAR_FLAG) {
1080 value = RTL_R32(ERIDR);
1081 break;
1082 }
1083 udelay(100);
1084 }
1085
1086 return value;
1087 }
1088
1089 static void
1090 rtl_w1w0_eri(void __iomem *ioaddr, int addr, u32 mask, u32 p, u32 m, int type)
1091 {
1092 u32 val;
1093
1094 val = rtl_eri_read(ioaddr, addr, type);
1095 rtl_eri_write(ioaddr, addr, mask, (val & ~m) | p, type);
1096 }
1097
1098 struct exgmac_reg {
1099 u16 addr;
1100 u16 mask;
1101 u32 val;
1102 };
1103
1104 static void rtl_write_exgmac_batch(void __iomem *ioaddr,
1105 const struct exgmac_reg *r, int len)
1106 {
1107 while (len-- > 0) {
1108 rtl_eri_write(ioaddr, r->addr, r->mask, r->val, ERIAR_EXGMAC);
1109 r++;
1110 }
1111 }
1112
1113 static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
1114 {
1115 u8 value = 0xff;
1116 unsigned int i;
1117
1118 RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1119
1120 for (i = 0; i < 300; i++) {
1121 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
1122 value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
1123 break;
1124 }
1125 udelay(100);
1126 }
1127
1128 return value;
1129 }
1130
1131 static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
1132 {
1133 RTL_W16(IntrMask, 0x0000);
1134
1135 RTL_W16(IntrStatus, 0xffff);
1136 }
1137
1138 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
1139 {
1140 void __iomem *ioaddr = tp->mmio_addr;
1141
1142 return RTL_R32(TBICSR) & TBIReset;
1143 }
1144
1145 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1146 {
1147 return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1148 }
1149
1150 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1151 {
1152 return RTL_R32(TBICSR) & TBILinkOk;
1153 }
1154
1155 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1156 {
1157 return RTL_R8(PHYstatus) & LinkStatus;
1158 }
1159
1160 static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
1161 {
1162 void __iomem *ioaddr = tp->mmio_addr;
1163
1164 RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
1165 }
1166
1167 static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
1168 {
1169 unsigned int val;
1170
1171 val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
1172 rtl_writephy(tp, MII_BMCR, val & 0xffff);
1173 }
1174
1175 static void rtl_link_chg_patch(struct rtl8169_private *tp)
1176 {
1177 void __iomem *ioaddr = tp->mmio_addr;
1178 struct net_device *dev = tp->dev;
1179
1180 if (!netif_running(dev))
1181 return;
1182
1183 if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
1184 if (RTL_R8(PHYstatus) & _1000bpsF) {
1185 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1186 0x00000011, ERIAR_EXGMAC);
1187 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1188 0x00000005, ERIAR_EXGMAC);
1189 } else if (RTL_R8(PHYstatus) & _100bps) {
1190 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1191 0x0000001f, ERIAR_EXGMAC);
1192 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1193 0x00000005, ERIAR_EXGMAC);
1194 } else {
1195 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1196 0x0000001f, ERIAR_EXGMAC);
1197 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1198 0x0000003f, ERIAR_EXGMAC);
1199 }
1200 /* Reset packet filter */
1201 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01,
1202 ERIAR_EXGMAC);
1203 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00,
1204 ERIAR_EXGMAC);
1205 }
1206 }
1207
1208 static void __rtl8169_check_link_status(struct net_device *dev,
1209 struct rtl8169_private *tp,
1210 void __iomem *ioaddr, bool pm)
1211 {
1212 unsigned long flags;
1213
1214 spin_lock_irqsave(&tp->lock, flags);
1215 if (tp->link_ok(ioaddr)) {
1216 rtl_link_chg_patch(tp);
1217 /* This is to cancel a scheduled suspend if there's one. */
1218 if (pm)
1219 pm_request_resume(&tp->pci_dev->dev);
1220 netif_carrier_on(dev);
1221 if (net_ratelimit())
1222 netif_info(tp, ifup, dev, "link up\n");
1223 } else {
1224 netif_carrier_off(dev);
1225 netif_info(tp, ifdown, dev, "link down\n");
1226 if (pm)
1227 pm_schedule_suspend(&tp->pci_dev->dev, 100);
1228 }
1229 spin_unlock_irqrestore(&tp->lock, flags);
1230 }
1231
1232 static void rtl8169_check_link_status(struct net_device *dev,
1233 struct rtl8169_private *tp,
1234 void __iomem *ioaddr)
1235 {
1236 __rtl8169_check_link_status(dev, tp, ioaddr, false);
1237 }
1238
1239 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1240
1241 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
1242 {
1243 void __iomem *ioaddr = tp->mmio_addr;
1244 u8 options;
1245 u32 wolopts = 0;
1246
1247 options = RTL_R8(Config1);
1248 if (!(options & PMEnable))
1249 return 0;
1250
1251 options = RTL_R8(Config3);
1252 if (options & LinkUp)
1253 wolopts |= WAKE_PHY;
1254 if (options & MagicPacket)
1255 wolopts |= WAKE_MAGIC;
1256
1257 options = RTL_R8(Config5);
1258 if (options & UWF)
1259 wolopts |= WAKE_UCAST;
1260 if (options & BWF)
1261 wolopts |= WAKE_BCAST;
1262 if (options & MWF)
1263 wolopts |= WAKE_MCAST;
1264
1265 return wolopts;
1266 }
1267
1268 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1269 {
1270 struct rtl8169_private *tp = netdev_priv(dev);
1271
1272 spin_lock_irq(&tp->lock);
1273
1274 wol->supported = WAKE_ANY;
1275 wol->wolopts = __rtl8169_get_wol(tp);
1276
1277 spin_unlock_irq(&tp->lock);
1278 }
1279
1280 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1281 {
1282 void __iomem *ioaddr = tp->mmio_addr;
1283 unsigned int i;
1284 static const struct {
1285 u32 opt;
1286 u16 reg;
1287 u8 mask;
1288 } cfg[] = {
1289 { WAKE_ANY, Config1, PMEnable },
1290 { WAKE_PHY, Config3, LinkUp },
1291 { WAKE_MAGIC, Config3, MagicPacket },
1292 { WAKE_UCAST, Config5, UWF },
1293 { WAKE_BCAST, Config5, BWF },
1294 { WAKE_MCAST, Config5, MWF },
1295 { WAKE_ANY, Config5, LanWake }
1296 };
1297
1298 RTL_W8(Cfg9346, Cfg9346_Unlock);
1299
1300 for (i = 0; i < ARRAY_SIZE(cfg); i++) {
1301 u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1302 if (wolopts & cfg[i].opt)
1303 options |= cfg[i].mask;
1304 RTL_W8(cfg[i].reg, options);
1305 }
1306
1307 RTL_W8(Cfg9346, Cfg9346_Lock);
1308 }
1309
1310 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1311 {
1312 struct rtl8169_private *tp = netdev_priv(dev);
1313
1314 spin_lock_irq(&tp->lock);
1315
1316 if (wol->wolopts)
1317 tp->features |= RTL_FEATURE_WOL;
1318 else
1319 tp->features &= ~RTL_FEATURE_WOL;
1320 __rtl8169_set_wol(tp, wol->wolopts);
1321 spin_unlock_irq(&tp->lock);
1322
1323 device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
1324
1325 return 0;
1326 }
1327
1328 static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1329 {
1330 return rtl_chip_infos[tp->mac_version].fw_name;
1331 }
1332
1333 static void rtl8169_get_drvinfo(struct net_device *dev,
1334 struct ethtool_drvinfo *info)
1335 {
1336 struct rtl8169_private *tp = netdev_priv(dev);
1337 struct rtl_fw *rtl_fw = tp->rtl_fw;
1338
1339 strcpy(info->driver, MODULENAME);
1340 strcpy(info->version, RTL8169_VERSION);
1341 strcpy(info->bus_info, pci_name(tp->pci_dev));
1342 BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1343 strcpy(info->fw_version, IS_ERR_OR_NULL(rtl_fw) ? "N/A" :
1344 rtl_fw->version);
1345 }
1346
1347 static int rtl8169_get_regs_len(struct net_device *dev)
1348 {
1349 return R8169_REGS_SIZE;
1350 }
1351
1352 static int rtl8169_set_speed_tbi(struct net_device *dev,
1353 u8 autoneg, u16 speed, u8 duplex, u32 ignored)
1354 {
1355 struct rtl8169_private *tp = netdev_priv(dev);
1356 void __iomem *ioaddr = tp->mmio_addr;
1357 int ret = 0;
1358 u32 reg;
1359
1360 reg = RTL_R32(TBICSR);
1361 if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
1362 (duplex == DUPLEX_FULL)) {
1363 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
1364 } else if (autoneg == AUTONEG_ENABLE)
1365 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
1366 else {
1367 netif_warn(tp, link, dev,
1368 "incorrect speed setting refused in TBI mode\n");
1369 ret = -EOPNOTSUPP;
1370 }
1371
1372 return ret;
1373 }
1374
1375 static int rtl8169_set_speed_xmii(struct net_device *dev,
1376 u8 autoneg, u16 speed, u8 duplex, u32 adv)
1377 {
1378 struct rtl8169_private *tp = netdev_priv(dev);
1379 int giga_ctrl, bmcr;
1380 int rc = -EINVAL;
1381
1382 rtl_writephy(tp, 0x1f, 0x0000);
1383
1384 if (autoneg == AUTONEG_ENABLE) {
1385 int auto_nego;
1386
1387 auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1388 auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
1389 ADVERTISE_100HALF | ADVERTISE_100FULL);
1390
1391 if (adv & ADVERTISED_10baseT_Half)
1392 auto_nego |= ADVERTISE_10HALF;
1393 if (adv & ADVERTISED_10baseT_Full)
1394 auto_nego |= ADVERTISE_10FULL;
1395 if (adv & ADVERTISED_100baseT_Half)
1396 auto_nego |= ADVERTISE_100HALF;
1397 if (adv & ADVERTISED_100baseT_Full)
1398 auto_nego |= ADVERTISE_100FULL;
1399
1400 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1401
1402 giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1403 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1404
1405 /* The 8100e/8101e/8102e do Fast Ethernet only. */
1406 if (tp->mii.supports_gmii) {
1407 if (adv & ADVERTISED_1000baseT_Half)
1408 giga_ctrl |= ADVERTISE_1000HALF;
1409 if (adv & ADVERTISED_1000baseT_Full)
1410 giga_ctrl |= ADVERTISE_1000FULL;
1411 } else if (adv & (ADVERTISED_1000baseT_Half |
1412 ADVERTISED_1000baseT_Full)) {
1413 netif_info(tp, link, dev,
1414 "PHY does not support 1000Mbps\n");
1415 goto out;
1416 }
1417
1418 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
1419
1420 rtl_writephy(tp, MII_ADVERTISE, auto_nego);
1421 rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1422 } else {
1423 giga_ctrl = 0;
1424
1425 if (speed == SPEED_10)
1426 bmcr = 0;
1427 else if (speed == SPEED_100)
1428 bmcr = BMCR_SPEED100;
1429 else
1430 goto out;
1431
1432 if (duplex == DUPLEX_FULL)
1433 bmcr |= BMCR_FULLDPLX;
1434 }
1435
1436 rtl_writephy(tp, MII_BMCR, bmcr);
1437
1438 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
1439 tp->mac_version == RTL_GIGA_MAC_VER_03) {
1440 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1441 rtl_writephy(tp, 0x17, 0x2138);
1442 rtl_writephy(tp, 0x0e, 0x0260);
1443 } else {
1444 rtl_writephy(tp, 0x17, 0x2108);
1445 rtl_writephy(tp, 0x0e, 0x0000);
1446 }
1447 }
1448
1449 rc = 0;
1450 out:
1451 return rc;
1452 }
1453
1454 static int rtl8169_set_speed(struct net_device *dev,
1455 u8 autoneg, u16 speed, u8 duplex, u32 advertising)
1456 {
1457 struct rtl8169_private *tp = netdev_priv(dev);
1458 int ret;
1459
1460 ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1461 if (ret < 0)
1462 goto out;
1463
1464 if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
1465 (advertising & ADVERTISED_1000baseT_Full)) {
1466 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1467 }
1468 out:
1469 return ret;
1470 }
1471
1472 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1473 {
1474 struct rtl8169_private *tp = netdev_priv(dev);
1475 unsigned long flags;
1476 int ret;
1477
1478 del_timer_sync(&tp->timer);
1479
1480 spin_lock_irqsave(&tp->lock, flags);
1481 ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1482 cmd->duplex, cmd->advertising);
1483 spin_unlock_irqrestore(&tp->lock, flags);
1484
1485 return ret;
1486 }
1487
1488 static u32 rtl8169_fix_features(struct net_device *dev, u32 features)
1489 {
1490 if (dev->mtu > TD_MSS_MAX)
1491 features &= ~NETIF_F_ALL_TSO;
1492
1493 return features;
1494 }
1495
1496 static int rtl8169_set_features(struct net_device *dev, u32 features)
1497 {
1498 struct rtl8169_private *tp = netdev_priv(dev);
1499 void __iomem *ioaddr = tp->mmio_addr;
1500 unsigned long flags;
1501
1502 spin_lock_irqsave(&tp->lock, flags);
1503
1504 if (features & NETIF_F_RXCSUM)
1505 tp->cp_cmd |= RxChkSum;
1506 else
1507 tp->cp_cmd &= ~RxChkSum;
1508
1509 if (dev->features & NETIF_F_HW_VLAN_RX)
1510 tp->cp_cmd |= RxVlan;
1511 else
1512 tp->cp_cmd &= ~RxVlan;
1513
1514 RTL_W16(CPlusCmd, tp->cp_cmd);
1515 RTL_R16(CPlusCmd);
1516
1517 spin_unlock_irqrestore(&tp->lock, flags);
1518
1519 return 0;
1520 }
1521
1522 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1523 struct sk_buff *skb)
1524 {
1525 return (vlan_tx_tag_present(skb)) ?
1526 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1527 }
1528
1529 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1530 {
1531 u32 opts2 = le32_to_cpu(desc->opts2);
1532
1533 if (opts2 & RxVlanTag)
1534 __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
1535
1536 desc->opts2 = 0;
1537 }
1538
1539 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1540 {
1541 struct rtl8169_private *tp = netdev_priv(dev);
1542 void __iomem *ioaddr = tp->mmio_addr;
1543 u32 status;
1544
1545 cmd->supported =
1546 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1547 cmd->port = PORT_FIBRE;
1548 cmd->transceiver = XCVR_INTERNAL;
1549
1550 status = RTL_R32(TBICSR);
1551 cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0;
1552 cmd->autoneg = !!(status & TBINwEnable);
1553
1554 ethtool_cmd_speed_set(cmd, SPEED_1000);
1555 cmd->duplex = DUPLEX_FULL; /* Always set */
1556
1557 return 0;
1558 }
1559
1560 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1561 {
1562 struct rtl8169_private *tp = netdev_priv(dev);
1563
1564 return mii_ethtool_gset(&tp->mii, cmd);
1565 }
1566
1567 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1568 {
1569 struct rtl8169_private *tp = netdev_priv(dev);
1570 unsigned long flags;
1571 int rc;
1572
1573 spin_lock_irqsave(&tp->lock, flags);
1574
1575 rc = tp->get_settings(dev, cmd);
1576
1577 spin_unlock_irqrestore(&tp->lock, flags);
1578 return rc;
1579 }
1580
1581 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1582 void *p)
1583 {
1584 struct rtl8169_private *tp = netdev_priv(dev);
1585 unsigned long flags;
1586
1587 if (regs->len > R8169_REGS_SIZE)
1588 regs->len = R8169_REGS_SIZE;
1589
1590 spin_lock_irqsave(&tp->lock, flags);
1591 memcpy_fromio(p, tp->mmio_addr, regs->len);
1592 spin_unlock_irqrestore(&tp->lock, flags);
1593 }
1594
1595 static u32 rtl8169_get_msglevel(struct net_device *dev)
1596 {
1597 struct rtl8169_private *tp = netdev_priv(dev);
1598
1599 return tp->msg_enable;
1600 }
1601
1602 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1603 {
1604 struct rtl8169_private *tp = netdev_priv(dev);
1605
1606 tp->msg_enable = value;
1607 }
1608
1609 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1610 "tx_packets",
1611 "rx_packets",
1612 "tx_errors",
1613 "rx_errors",
1614 "rx_missed",
1615 "align_errors",
1616 "tx_single_collisions",
1617 "tx_multi_collisions",
1618 "unicast",
1619 "broadcast",
1620 "multicast",
1621 "tx_aborted",
1622 "tx_underrun",
1623 };
1624
1625 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1626 {
1627 switch (sset) {
1628 case ETH_SS_STATS:
1629 return ARRAY_SIZE(rtl8169_gstrings);
1630 default:
1631 return -EOPNOTSUPP;
1632 }
1633 }
1634
1635 static void rtl8169_update_counters(struct net_device *dev)
1636 {
1637 struct rtl8169_private *tp = netdev_priv(dev);
1638 void __iomem *ioaddr = tp->mmio_addr;
1639 struct device *d = &tp->pci_dev->dev;
1640 struct rtl8169_counters *counters;
1641 dma_addr_t paddr;
1642 u32 cmd;
1643 int wait = 1000;
1644
1645 /*
1646 * Some chips are unable to dump tally counters when the receiver
1647 * is disabled.
1648 */
1649 if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1650 return;
1651
1652 counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1653 if (!counters)
1654 return;
1655
1656 RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1657 cmd = (u64)paddr & DMA_BIT_MASK(32);
1658 RTL_W32(CounterAddrLow, cmd);
1659 RTL_W32(CounterAddrLow, cmd | CounterDump);
1660
1661 while (wait--) {
1662 if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
1663 memcpy(&tp->counters, counters, sizeof(*counters));
1664 break;
1665 }
1666 udelay(10);
1667 }
1668
1669 RTL_W32(CounterAddrLow, 0);
1670 RTL_W32(CounterAddrHigh, 0);
1671
1672 dma_free_coherent(d, sizeof(*counters), counters, paddr);
1673 }
1674
1675 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1676 struct ethtool_stats *stats, u64 *data)
1677 {
1678 struct rtl8169_private *tp = netdev_priv(dev);
1679
1680 ASSERT_RTNL();
1681
1682 rtl8169_update_counters(dev);
1683
1684 data[0] = le64_to_cpu(tp->counters.tx_packets);
1685 data[1] = le64_to_cpu(tp->counters.rx_packets);
1686 data[2] = le64_to_cpu(tp->counters.tx_errors);
1687 data[3] = le32_to_cpu(tp->counters.rx_errors);
1688 data[4] = le16_to_cpu(tp->counters.rx_missed);
1689 data[5] = le16_to_cpu(tp->counters.align_errors);
1690 data[6] = le32_to_cpu(tp->counters.tx_one_collision);
1691 data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
1692 data[8] = le64_to_cpu(tp->counters.rx_unicast);
1693 data[9] = le64_to_cpu(tp->counters.rx_broadcast);
1694 data[10] = le32_to_cpu(tp->counters.rx_multicast);
1695 data[11] = le16_to_cpu(tp->counters.tx_aborted);
1696 data[12] = le16_to_cpu(tp->counters.tx_underun);
1697 }
1698
1699 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1700 {
1701 switch(stringset) {
1702 case ETH_SS_STATS:
1703 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1704 break;
1705 }
1706 }
1707
1708 static const struct ethtool_ops rtl8169_ethtool_ops = {
1709 .get_drvinfo = rtl8169_get_drvinfo,
1710 .get_regs_len = rtl8169_get_regs_len,
1711 .get_link = ethtool_op_get_link,
1712 .get_settings = rtl8169_get_settings,
1713 .set_settings = rtl8169_set_settings,
1714 .get_msglevel = rtl8169_get_msglevel,
1715 .set_msglevel = rtl8169_set_msglevel,
1716 .get_regs = rtl8169_get_regs,
1717 .get_wol = rtl8169_get_wol,
1718 .set_wol = rtl8169_set_wol,
1719 .get_strings = rtl8169_get_strings,
1720 .get_sset_count = rtl8169_get_sset_count,
1721 .get_ethtool_stats = rtl8169_get_ethtool_stats,
1722 };
1723
1724 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1725 struct net_device *dev, u8 default_version)
1726 {
1727 void __iomem *ioaddr = tp->mmio_addr;
1728 /*
1729 * The driver currently handles the 8168Bf and the 8168Be identically
1730 * but they can be identified more specifically through the test below
1731 * if needed:
1732 *
1733 * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1734 *
1735 * Same thing for the 8101Eb and the 8101Ec:
1736 *
1737 * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1738 */
1739 static const struct rtl_mac_info {
1740 u32 mask;
1741 u32 val;
1742 int mac_version;
1743 } mac_info[] = {
1744 /* 8168E family. */
1745 { 0x7c800000, 0x2c800000, RTL_GIGA_MAC_VER_34 },
1746 { 0x7cf00000, 0x2c200000, RTL_GIGA_MAC_VER_33 },
1747 { 0x7cf00000, 0x2c100000, RTL_GIGA_MAC_VER_32 },
1748 { 0x7c800000, 0x2c000000, RTL_GIGA_MAC_VER_33 },
1749
1750 /* 8168D family. */
1751 { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 },
1752 { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 },
1753 { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 },
1754
1755 /* 8168DP family. */
1756 { 0x7cf00000, 0x28800000, RTL_GIGA_MAC_VER_27 },
1757 { 0x7cf00000, 0x28a00000, RTL_GIGA_MAC_VER_28 },
1758 { 0x7cf00000, 0x28b00000, RTL_GIGA_MAC_VER_31 },
1759
1760 /* 8168C family. */
1761 { 0x7cf00000, 0x3cb00000, RTL_GIGA_MAC_VER_24 },
1762 { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 },
1763 { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 },
1764 { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 },
1765 { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 },
1766 { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 },
1767 { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 },
1768 { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 },
1769 { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 },
1770
1771 /* 8168B family. */
1772 { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 },
1773 { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 },
1774 { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 },
1775 { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 },
1776
1777 /* 8101 family. */
1778 { 0x7cf00000, 0x40b00000, RTL_GIGA_MAC_VER_30 },
1779 { 0x7cf00000, 0x40a00000, RTL_GIGA_MAC_VER_30 },
1780 { 0x7cf00000, 0x40900000, RTL_GIGA_MAC_VER_29 },
1781 { 0x7c800000, 0x40800000, RTL_GIGA_MAC_VER_30 },
1782 { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 },
1783 { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 },
1784 { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 },
1785 { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 },
1786 { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 },
1787 { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 },
1788 { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 },
1789 { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 },
1790 { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 },
1791 { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 },
1792 { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 },
1793 { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 },
1794 /* FIXME: where did these entries come from ? -- FR */
1795 { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 },
1796 { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 },
1797
1798 /* 8110 family. */
1799 { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 },
1800 { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 },
1801 { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 },
1802 { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 },
1803 { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 },
1804 { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 },
1805
1806 /* Catch-all */
1807 { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE }
1808 };
1809 const struct rtl_mac_info *p = mac_info;
1810 u32 reg;
1811
1812 reg = RTL_R32(TxConfig);
1813 while ((reg & p->mask) != p->val)
1814 p++;
1815 tp->mac_version = p->mac_version;
1816
1817 if (tp->mac_version == RTL_GIGA_MAC_NONE) {
1818 netif_notice(tp, probe, dev,
1819 "unknown MAC, using family default\n");
1820 tp->mac_version = default_version;
1821 }
1822 }
1823
1824 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
1825 {
1826 dprintk("mac_version = 0x%02x\n", tp->mac_version);
1827 }
1828
1829 struct phy_reg {
1830 u16 reg;
1831 u16 val;
1832 };
1833
1834 static void rtl_writephy_batch(struct rtl8169_private *tp,
1835 const struct phy_reg *regs, int len)
1836 {
1837 while (len-- > 0) {
1838 rtl_writephy(tp, regs->reg, regs->val);
1839 regs++;
1840 }
1841 }
1842
1843 #define PHY_READ 0x00000000
1844 #define PHY_DATA_OR 0x10000000
1845 #define PHY_DATA_AND 0x20000000
1846 #define PHY_BJMPN 0x30000000
1847 #define PHY_READ_EFUSE 0x40000000
1848 #define PHY_READ_MAC_BYTE 0x50000000
1849 #define PHY_WRITE_MAC_BYTE 0x60000000
1850 #define PHY_CLEAR_READCOUNT 0x70000000
1851 #define PHY_WRITE 0x80000000
1852 #define PHY_READCOUNT_EQ_SKIP 0x90000000
1853 #define PHY_COMP_EQ_SKIPN 0xa0000000
1854 #define PHY_COMP_NEQ_SKIPN 0xb0000000
1855 #define PHY_WRITE_PREVIOUS 0xc0000000
1856 #define PHY_SKIPN 0xd0000000
1857 #define PHY_DELAY_MS 0xe0000000
1858 #define PHY_WRITE_ERI_WORD 0xf0000000
1859
1860 struct fw_info {
1861 u32 magic;
1862 char version[RTL_VER_SIZE];
1863 __le32 fw_start;
1864 __le32 fw_len;
1865 u8 chksum;
1866 } __packed;
1867
1868 #define FW_OPCODE_SIZE sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
1869
1870 static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1871 {
1872 const struct firmware *fw = rtl_fw->fw;
1873 struct fw_info *fw_info = (struct fw_info *)fw->data;
1874 struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
1875 char *version = rtl_fw->version;
1876 bool rc = false;
1877
1878 if (fw->size < FW_OPCODE_SIZE)
1879 goto out;
1880
1881 if (!fw_info->magic) {
1882 size_t i, size, start;
1883 u8 checksum = 0;
1884
1885 if (fw->size < sizeof(*fw_info))
1886 goto out;
1887
1888 for (i = 0; i < fw->size; i++)
1889 checksum += fw->data[i];
1890 if (checksum != 0)
1891 goto out;
1892
1893 start = le32_to_cpu(fw_info->fw_start);
1894 if (start > fw->size)
1895 goto out;
1896
1897 size = le32_to_cpu(fw_info->fw_len);
1898 if (size > (fw->size - start) / FW_OPCODE_SIZE)
1899 goto out;
1900
1901 memcpy(version, fw_info->version, RTL_VER_SIZE);
1902
1903 pa->code = (__le32 *)(fw->data + start);
1904 pa->size = size;
1905 } else {
1906 if (fw->size % FW_OPCODE_SIZE)
1907 goto out;
1908
1909 strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);
1910
1911 pa->code = (__le32 *)fw->data;
1912 pa->size = fw->size / FW_OPCODE_SIZE;
1913 }
1914 version[RTL_VER_SIZE - 1] = 0;
1915
1916 rc = true;
1917 out:
1918 return rc;
1919 }
1920
1921 static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
1922 struct rtl_fw_phy_action *pa)
1923 {
1924 bool rc = false;
1925 size_t index;
1926
1927 for (index = 0; index < pa->size; index++) {
1928 u32 action = le32_to_cpu(pa->code[index]);
1929 u32 regno = (action & 0x0fff0000) >> 16;
1930
1931 switch(action & 0xf0000000) {
1932 case PHY_READ:
1933 case PHY_DATA_OR:
1934 case PHY_DATA_AND:
1935 case PHY_READ_EFUSE:
1936 case PHY_CLEAR_READCOUNT:
1937 case PHY_WRITE:
1938 case PHY_WRITE_PREVIOUS:
1939 case PHY_DELAY_MS:
1940 break;
1941
1942 case PHY_BJMPN:
1943 if (regno > index) {
1944 netif_err(tp, ifup, tp->dev,
1945 "Out of range of firmware\n");
1946 goto out;
1947 }
1948 break;
1949 case PHY_READCOUNT_EQ_SKIP:
1950 if (index + 2 >= pa->size) {
1951 netif_err(tp, ifup, tp->dev,
1952 "Out of range of firmware\n");
1953 goto out;
1954 }
1955 break;
1956 case PHY_COMP_EQ_SKIPN:
1957 case PHY_COMP_NEQ_SKIPN:
1958 case PHY_SKIPN:
1959 if (index + 1 + regno >= pa->size) {
1960 netif_err(tp, ifup, tp->dev,
1961 "Out of range of firmware\n");
1962 goto out;
1963 }
1964 break;
1965
1966 case PHY_READ_MAC_BYTE:
1967 case PHY_WRITE_MAC_BYTE:
1968 case PHY_WRITE_ERI_WORD:
1969 default:
1970 netif_err(tp, ifup, tp->dev,
1971 "Invalid action 0x%08x\n", action);
1972 goto out;
1973 }
1974 }
1975 rc = true;
1976 out:
1977 return rc;
1978 }
1979
1980 static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1981 {
1982 struct net_device *dev = tp->dev;
1983 int rc = -EINVAL;
1984
1985 if (!rtl_fw_format_ok(tp, rtl_fw)) {
1986 netif_err(tp, ifup, dev, "invalid firwmare\n");
1987 goto out;
1988 }
1989
1990 if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
1991 rc = 0;
1992 out:
1993 return rc;
1994 }
1995
1996 static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1997 {
1998 struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
1999 u32 predata, count;
2000 size_t index;
2001
2002 predata = count = 0;
2003
2004 for (index = 0; index < pa->size; ) {
2005 u32 action = le32_to_cpu(pa->code[index]);
2006 u32 data = action & 0x0000ffff;
2007 u32 regno = (action & 0x0fff0000) >> 16;
2008
2009 if (!action)
2010 break;
2011
2012 switch(action & 0xf0000000) {
2013 case PHY_READ:
2014 predata = rtl_readphy(tp, regno);
2015 count++;
2016 index++;
2017 break;
2018 case PHY_DATA_OR:
2019 predata |= data;
2020 index++;
2021 break;
2022 case PHY_DATA_AND:
2023 predata &= data;
2024 index++;
2025 break;
2026 case PHY_BJMPN:
2027 index -= regno;
2028 break;
2029 case PHY_READ_EFUSE:
2030 predata = rtl8168d_efuse_read(tp->mmio_addr, regno);
2031 index++;
2032 break;
2033 case PHY_CLEAR_READCOUNT:
2034 count = 0;
2035 index++;
2036 break;
2037 case PHY_WRITE:
2038 rtl_writephy(tp, regno, data);
2039 index++;
2040 break;
2041 case PHY_READCOUNT_EQ_SKIP:
2042 index += (count == data) ? 2 : 1;
2043 break;
2044 case PHY_COMP_EQ_SKIPN:
2045 if (predata == data)
2046 index += regno;
2047 index++;
2048 break;
2049 case PHY_COMP_NEQ_SKIPN:
2050 if (predata != data)
2051 index += regno;
2052 index++;
2053 break;
2054 case PHY_WRITE_PREVIOUS:
2055 rtl_writephy(tp, regno, predata);
2056 index++;
2057 break;
2058 case PHY_SKIPN:
2059 index += regno + 1;
2060 break;
2061 case PHY_DELAY_MS:
2062 mdelay(data);
2063 index++;
2064 break;
2065
2066 case PHY_READ_MAC_BYTE:
2067 case PHY_WRITE_MAC_BYTE:
2068 case PHY_WRITE_ERI_WORD:
2069 default:
2070 BUG();
2071 }
2072 }
2073 }
2074
2075 static void rtl_release_firmware(struct rtl8169_private *tp)
2076 {
2077 if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
2078 release_firmware(tp->rtl_fw->fw);
2079 kfree(tp->rtl_fw);
2080 }
2081 tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
2082 }
2083
2084 static void rtl_apply_firmware(struct rtl8169_private *tp)
2085 {
2086 struct rtl_fw *rtl_fw = tp->rtl_fw;
2087
2088 /* TODO: release firmware once rtl_phy_write_fw signals failures. */
2089 if (!IS_ERR_OR_NULL(rtl_fw))
2090 rtl_phy_write_fw(tp, rtl_fw);
2091 }
2092
2093 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2094 {
2095 if (rtl_readphy(tp, reg) != val)
2096 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2097 else
2098 rtl_apply_firmware(tp);
2099 }
2100
2101 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2102 {
2103 static const struct phy_reg phy_reg_init[] = {
2104 { 0x1f, 0x0001 },
2105 { 0x06, 0x006e },
2106 { 0x08, 0x0708 },
2107 { 0x15, 0x4000 },
2108 { 0x18, 0x65c7 },
2109
2110 { 0x1f, 0x0001 },
2111 { 0x03, 0x00a1 },
2112 { 0x02, 0x0008 },
2113 { 0x01, 0x0120 },
2114 { 0x00, 0x1000 },
2115 { 0x04, 0x0800 },
2116 { 0x04, 0x0000 },
2117
2118 { 0x03, 0xff41 },
2119 { 0x02, 0xdf60 },
2120 { 0x01, 0x0140 },
2121 { 0x00, 0x0077 },
2122 { 0x04, 0x7800 },
2123 { 0x04, 0x7000 },
2124
2125 { 0x03, 0x802f },
2126 { 0x02, 0x4f02 },
2127 { 0x01, 0x0409 },
2128 { 0x00, 0xf0f9 },
2129 { 0x04, 0x9800 },
2130 { 0x04, 0x9000 },
2131
2132 { 0x03, 0xdf01 },
2133 { 0x02, 0xdf20 },
2134 { 0x01, 0xff95 },
2135 { 0x00, 0xba00 },
2136 { 0x04, 0xa800 },
2137 { 0x04, 0xa000 },
2138
2139 { 0x03, 0xff41 },
2140 { 0x02, 0xdf20 },
2141 { 0x01, 0x0140 },
2142 { 0x00, 0x00bb },
2143 { 0x04, 0xb800 },
2144 { 0x04, 0xb000 },
2145
2146 { 0x03, 0xdf41 },
2147 { 0x02, 0xdc60 },
2148 { 0x01, 0x6340 },
2149 { 0x00, 0x007d },
2150 { 0x04, 0xd800 },
2151 { 0x04, 0xd000 },
2152
2153 { 0x03, 0xdf01 },
2154 { 0x02, 0xdf20 },
2155 { 0x01, 0x100a },
2156 { 0x00, 0xa0ff },
2157 { 0x04, 0xf800 },
2158 { 0x04, 0xf000 },
2159
2160 { 0x1f, 0x0000 },
2161 { 0x0b, 0x0000 },
2162 { 0x00, 0x9200 }
2163 };
2164
2165 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2166 }
2167
2168 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2169 {
2170 static const struct phy_reg phy_reg_init[] = {
2171 { 0x1f, 0x0002 },
2172 { 0x01, 0x90d0 },
2173 { 0x1f, 0x0000 }
2174 };
2175
2176 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2177 }
2178
2179 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2180 {
2181 struct pci_dev *pdev = tp->pci_dev;
2182
2183 if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
2184 (pdev->subsystem_device != 0xe000))
2185 return;
2186
2187 rtl_writephy(tp, 0x1f, 0x0001);
2188 rtl_writephy(tp, 0x10, 0xf01b);
2189 rtl_writephy(tp, 0x1f, 0x0000);
2190 }
2191
2192 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2193 {
2194 static const struct phy_reg phy_reg_init[] = {
2195 { 0x1f, 0x0001 },
2196 { 0x04, 0x0000 },
2197 { 0x03, 0x00a1 },
2198 { 0x02, 0x0008 },
2199 { 0x01, 0x0120 },
2200 { 0x00, 0x1000 },
2201 { 0x04, 0x0800 },
2202 { 0x04, 0x9000 },
2203 { 0x03, 0x802f },
2204 { 0x02, 0x4f02 },
2205 { 0x01, 0x0409 },
2206 { 0x00, 0xf099 },
2207 { 0x04, 0x9800 },
2208 { 0x04, 0xa000 },
2209 { 0x03, 0xdf01 },
2210 { 0x02, 0xdf20 },
2211 { 0x01, 0xff95 },
2212 { 0x00, 0xba00 },
2213 { 0x04, 0xa800 },
2214 { 0x04, 0xf000 },
2215 { 0x03, 0xdf01 },
2216 { 0x02, 0xdf20 },
2217 { 0x01, 0x101a },
2218 { 0x00, 0xa0ff },
2219 { 0x04, 0xf800 },
2220 { 0x04, 0x0000 },
2221 { 0x1f, 0x0000 },
2222
2223 { 0x1f, 0x0001 },
2224 { 0x10, 0xf41b },
2225 { 0x14, 0xfb54 },
2226 { 0x18, 0xf5c7 },
2227 { 0x1f, 0x0000 },
2228
2229 { 0x1f, 0x0001 },
2230 { 0x17, 0x0cc0 },
2231 { 0x1f, 0x0000 }
2232 };
2233
2234 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2235
2236 rtl8169scd_hw_phy_config_quirk(tp);
2237 }
2238
2239 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2240 {
2241 static const struct phy_reg phy_reg_init[] = {
2242 { 0x1f, 0x0001 },
2243 { 0x04, 0x0000 },
2244 { 0x03, 0x00a1 },
2245 { 0x02, 0x0008 },
2246 { 0x01, 0x0120 },
2247 { 0x00, 0x1000 },
2248 { 0x04, 0x0800 },
2249 { 0x04, 0x9000 },
2250 { 0x03, 0x802f },
2251 { 0x02, 0x4f02 },
2252 { 0x01, 0x0409 },
2253 { 0x00, 0xf099 },
2254 { 0x04, 0x9800 },
2255 { 0x04, 0xa000 },
2256 { 0x03, 0xdf01 },
2257 { 0x02, 0xdf20 },
2258 { 0x01, 0xff95 },
2259 { 0x00, 0xba00 },
2260 { 0x04, 0xa800 },
2261 { 0x04, 0xf000 },
2262 { 0x03, 0xdf01 },
2263 { 0x02, 0xdf20 },
2264 { 0x01, 0x101a },
2265 { 0x00, 0xa0ff },
2266 { 0x04, 0xf800 },
2267 { 0x04, 0x0000 },
2268 { 0x1f, 0x0000 },
2269
2270 { 0x1f, 0x0001 },
2271 { 0x0b, 0x8480 },
2272 { 0x1f, 0x0000 },
2273
2274 { 0x1f, 0x0001 },
2275 { 0x18, 0x67c7 },
2276 { 0x04, 0x2000 },
2277 { 0x03, 0x002f },
2278 { 0x02, 0x4360 },
2279 { 0x01, 0x0109 },
2280 { 0x00, 0x3022 },
2281 { 0x04, 0x2800 },
2282 { 0x1f, 0x0000 },
2283
2284 { 0x1f, 0x0001 },
2285 { 0x17, 0x0cc0 },
2286 { 0x1f, 0x0000 }
2287 };
2288
2289 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2290 }
2291
2292 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2293 {
2294 static const struct phy_reg phy_reg_init[] = {
2295 { 0x10, 0xf41b },
2296 { 0x1f, 0x0000 }
2297 };
2298
2299 rtl_writephy(tp, 0x1f, 0x0001);
2300 rtl_patchphy(tp, 0x16, 1 << 0);
2301
2302 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2303 }
2304
2305 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2306 {
2307 static const struct phy_reg phy_reg_init[] = {
2308 { 0x1f, 0x0001 },
2309 { 0x10, 0xf41b },
2310 { 0x1f, 0x0000 }
2311 };
2312
2313 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2314 }
2315
2316 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2317 {
2318 static const struct phy_reg phy_reg_init[] = {
2319 { 0x1f, 0x0000 },
2320 { 0x1d, 0x0f00 },
2321 { 0x1f, 0x0002 },
2322 { 0x0c, 0x1ec8 },
2323 { 0x1f, 0x0000 }
2324 };
2325
2326 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2327 }
2328
2329 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2330 {
2331 static const struct phy_reg phy_reg_init[] = {
2332 { 0x1f, 0x0001 },
2333 { 0x1d, 0x3d98 },
2334 { 0x1f, 0x0000 }
2335 };
2336
2337 rtl_writephy(tp, 0x1f, 0x0000);
2338 rtl_patchphy(tp, 0x14, 1 << 5);
2339 rtl_patchphy(tp, 0x0d, 1 << 5);
2340
2341 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2342 }
2343
2344 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2345 {
2346 static const struct phy_reg phy_reg_init[] = {
2347 { 0x1f, 0x0001 },
2348 { 0x12, 0x2300 },
2349 { 0x1f, 0x0002 },
2350 { 0x00, 0x88d4 },
2351 { 0x01, 0x82b1 },
2352 { 0x03, 0x7002 },
2353 { 0x08, 0x9e30 },
2354 { 0x09, 0x01f0 },
2355 { 0x0a, 0x5500 },
2356 { 0x0c, 0x00c8 },
2357 { 0x1f, 0x0003 },
2358 { 0x12, 0xc096 },
2359 { 0x16, 0x000a },
2360 { 0x1f, 0x0000 },
2361 { 0x1f, 0x0000 },
2362 { 0x09, 0x2000 },
2363 { 0x09, 0x0000 }
2364 };
2365
2366 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2367
2368 rtl_patchphy(tp, 0x14, 1 << 5);
2369 rtl_patchphy(tp, 0x0d, 1 << 5);
2370 rtl_writephy(tp, 0x1f, 0x0000);
2371 }
2372
2373 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2374 {
2375 static const struct phy_reg phy_reg_init[] = {
2376 { 0x1f, 0x0001 },
2377 { 0x12, 0x2300 },
2378 { 0x03, 0x802f },
2379 { 0x02, 0x4f02 },
2380 { 0x01, 0x0409 },
2381 { 0x00, 0xf099 },
2382 { 0x04, 0x9800 },
2383 { 0x04, 0x9000 },
2384 { 0x1d, 0x3d98 },
2385 { 0x1f, 0x0002 },
2386 { 0x0c, 0x7eb8 },
2387 { 0x06, 0x0761 },
2388 { 0x1f, 0x0003 },
2389 { 0x16, 0x0f0a },
2390 { 0x1f, 0x0000 }
2391 };
2392
2393 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2394
2395 rtl_patchphy(tp, 0x16, 1 << 0);
2396 rtl_patchphy(tp, 0x14, 1 << 5);
2397 rtl_patchphy(tp, 0x0d, 1 << 5);
2398 rtl_writephy(tp, 0x1f, 0x0000);
2399 }
2400
2401 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2402 {
2403 static const struct phy_reg phy_reg_init[] = {
2404 { 0x1f, 0x0001 },
2405 { 0x12, 0x2300 },
2406 { 0x1d, 0x3d98 },
2407 { 0x1f, 0x0002 },
2408 { 0x0c, 0x7eb8 },
2409 { 0x06, 0x5461 },
2410 { 0x1f, 0x0003 },
2411 { 0x16, 0x0f0a },
2412 { 0x1f, 0x0000 }
2413 };
2414
2415 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2416
2417 rtl_patchphy(tp, 0x16, 1 << 0);
2418 rtl_patchphy(tp, 0x14, 1 << 5);
2419 rtl_patchphy(tp, 0x0d, 1 << 5);
2420 rtl_writephy(tp, 0x1f, 0x0000);
2421 }
2422
2423 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2424 {
2425 rtl8168c_3_hw_phy_config(tp);
2426 }
2427
2428 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2429 {
2430 static const struct phy_reg phy_reg_init_0[] = {
2431 /* Channel Estimation */
2432 { 0x1f, 0x0001 },
2433 { 0x06, 0x4064 },
2434 { 0x07, 0x2863 },
2435 { 0x08, 0x059c },
2436 { 0x09, 0x26b4 },
2437 { 0x0a, 0x6a19 },
2438 { 0x0b, 0xdcc8 },
2439 { 0x10, 0xf06d },
2440 { 0x14, 0x7f68 },
2441 { 0x18, 0x7fd9 },
2442 { 0x1c, 0xf0ff },
2443 { 0x1d, 0x3d9c },
2444 { 0x1f, 0x0003 },
2445 { 0x12, 0xf49f },
2446 { 0x13, 0x070b },
2447 { 0x1a, 0x05ad },
2448 { 0x14, 0x94c0 },
2449
2450 /*
2451 * Tx Error Issue
2452 * Enhance line driver power
2453 */
2454 { 0x1f, 0x0002 },
2455 { 0x06, 0x5561 },
2456 { 0x1f, 0x0005 },
2457 { 0x05, 0x8332 },
2458 { 0x06, 0x5561 },
2459
2460 /*
2461 * Can not link to 1Gbps with bad cable
2462 * Decrease SNR threshold form 21.07dB to 19.04dB
2463 */
2464 { 0x1f, 0x0001 },
2465 { 0x17, 0x0cc0 },
2466
2467 { 0x1f, 0x0000 },
2468 { 0x0d, 0xf880 }
2469 };
2470 void __iomem *ioaddr = tp->mmio_addr;
2471
2472 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2473
2474 /*
2475 * Rx Error Issue
2476 * Fine Tune Switching regulator parameter
2477 */
2478 rtl_writephy(tp, 0x1f, 0x0002);
2479 rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
2480 rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2481
2482 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2483 static const struct phy_reg phy_reg_init[] = {
2484 { 0x1f, 0x0002 },
2485 { 0x05, 0x669a },
2486 { 0x1f, 0x0005 },
2487 { 0x05, 0x8330 },
2488 { 0x06, 0x669a },
2489 { 0x1f, 0x0002 }
2490 };
2491 int val;
2492
2493 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2494
2495 val = rtl_readphy(tp, 0x0d);
2496
2497 if ((val & 0x00ff) != 0x006c) {
2498 static const u32 set[] = {
2499 0x0065, 0x0066, 0x0067, 0x0068,
2500 0x0069, 0x006a, 0x006b, 0x006c
2501 };
2502 int i;
2503
2504 rtl_writephy(tp, 0x1f, 0x0002);
2505
2506 val &= 0xff00;
2507 for (i = 0; i < ARRAY_SIZE(set); i++)
2508 rtl_writephy(tp, 0x0d, val | set[i]);
2509 }
2510 } else {
2511 static const struct phy_reg phy_reg_init[] = {
2512 { 0x1f, 0x0002 },
2513 { 0x05, 0x6662 },
2514 { 0x1f, 0x0005 },
2515 { 0x05, 0x8330 },
2516 { 0x06, 0x6662 }
2517 };
2518
2519 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2520 }
2521
2522 /* RSET couple improve */
2523 rtl_writephy(tp, 0x1f, 0x0002);
2524 rtl_patchphy(tp, 0x0d, 0x0300);
2525 rtl_patchphy(tp, 0x0f, 0x0010);
2526
2527 /* Fine tune PLL performance */
2528 rtl_writephy(tp, 0x1f, 0x0002);
2529 rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2530 rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2531
2532 rtl_writephy(tp, 0x1f, 0x0005);
2533 rtl_writephy(tp, 0x05, 0x001b);
2534
2535 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2536
2537 rtl_writephy(tp, 0x1f, 0x0000);
2538 }
2539
2540 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2541 {
2542 static const struct phy_reg phy_reg_init_0[] = {
2543 /* Channel Estimation */
2544 { 0x1f, 0x0001 },
2545 { 0x06, 0x4064 },
2546 { 0x07, 0x2863 },
2547 { 0x08, 0x059c },
2548 { 0x09, 0x26b4 },
2549 { 0x0a, 0x6a19 },
2550 { 0x0b, 0xdcc8 },
2551 { 0x10, 0xf06d },
2552 { 0x14, 0x7f68 },
2553 { 0x18, 0x7fd9 },
2554 { 0x1c, 0xf0ff },
2555 { 0x1d, 0x3d9c },
2556 { 0x1f, 0x0003 },
2557 { 0x12, 0xf49f },
2558 { 0x13, 0x070b },
2559 { 0x1a, 0x05ad },
2560 { 0x14, 0x94c0 },
2561
2562 /*
2563 * Tx Error Issue
2564 * Enhance line driver power
2565 */
2566 { 0x1f, 0x0002 },
2567 { 0x06, 0x5561 },
2568 { 0x1f, 0x0005 },
2569 { 0x05, 0x8332 },
2570 { 0x06, 0x5561 },
2571
2572 /*
2573 * Can not link to 1Gbps with bad cable
2574 * Decrease SNR threshold form 21.07dB to 19.04dB
2575 */
2576 { 0x1f, 0x0001 },
2577 { 0x17, 0x0cc0 },
2578
2579 { 0x1f, 0x0000 },
2580 { 0x0d, 0xf880 }
2581 };
2582 void __iomem *ioaddr = tp->mmio_addr;
2583
2584 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2585
2586 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2587 static const struct phy_reg phy_reg_init[] = {
2588 { 0x1f, 0x0002 },
2589 { 0x05, 0x669a },
2590 { 0x1f, 0x0005 },
2591 { 0x05, 0x8330 },
2592 { 0x06, 0x669a },
2593
2594 { 0x1f, 0x0002 }
2595 };
2596 int val;
2597
2598 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2599
2600 val = rtl_readphy(tp, 0x0d);
2601 if ((val & 0x00ff) != 0x006c) {
2602 static const u32 set[] = {
2603 0x0065, 0x0066, 0x0067, 0x0068,
2604 0x0069, 0x006a, 0x006b, 0x006c
2605 };
2606 int i;
2607
2608 rtl_writephy(tp, 0x1f, 0x0002);
2609
2610 val &= 0xff00;
2611 for (i = 0; i < ARRAY_SIZE(set); i++)
2612 rtl_writephy(tp, 0x0d, val | set[i]);
2613 }
2614 } else {
2615 static const struct phy_reg phy_reg_init[] = {
2616 { 0x1f, 0x0002 },
2617 { 0x05, 0x2642 },
2618 { 0x1f, 0x0005 },
2619 { 0x05, 0x8330 },
2620 { 0x06, 0x2642 }
2621 };
2622
2623 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2624 }
2625
2626 /* Fine tune PLL performance */
2627 rtl_writephy(tp, 0x1f, 0x0002);
2628 rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2629 rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2630
2631 /* Switching regulator Slew rate */
2632 rtl_writephy(tp, 0x1f, 0x0002);
2633 rtl_patchphy(tp, 0x0f, 0x0017);
2634
2635 rtl_writephy(tp, 0x1f, 0x0005);
2636 rtl_writephy(tp, 0x05, 0x001b);
2637
2638 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2639
2640 rtl_writephy(tp, 0x1f, 0x0000);
2641 }
2642
2643 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2644 {
2645 static const struct phy_reg phy_reg_init[] = {
2646 { 0x1f, 0x0002 },
2647 { 0x10, 0x0008 },
2648 { 0x0d, 0x006c },
2649
2650 { 0x1f, 0x0000 },
2651 { 0x0d, 0xf880 },
2652
2653 { 0x1f, 0x0001 },
2654 { 0x17, 0x0cc0 },
2655
2656 { 0x1f, 0x0001 },
2657 { 0x0b, 0xa4d8 },
2658 { 0x09, 0x281c },
2659 { 0x07, 0x2883 },
2660 { 0x0a, 0x6b35 },
2661 { 0x1d, 0x3da4 },
2662 { 0x1c, 0xeffd },
2663 { 0x14, 0x7f52 },
2664 { 0x18, 0x7fc6 },
2665 { 0x08, 0x0601 },
2666 { 0x06, 0x4063 },
2667 { 0x10, 0xf074 },
2668 { 0x1f, 0x0003 },
2669 { 0x13, 0x0789 },
2670 { 0x12, 0xf4bd },
2671 { 0x1a, 0x04fd },
2672 { 0x14, 0x84b0 },
2673 { 0x1f, 0x0000 },
2674 { 0x00, 0x9200 },
2675
2676 { 0x1f, 0x0005 },
2677 { 0x01, 0x0340 },
2678 { 0x1f, 0x0001 },
2679 { 0x04, 0x4000 },
2680 { 0x03, 0x1d21 },
2681 { 0x02, 0x0c32 },
2682 { 0x01, 0x0200 },
2683 { 0x00, 0x5554 },
2684 { 0x04, 0x4800 },
2685 { 0x04, 0x4000 },
2686 { 0x04, 0xf000 },
2687 { 0x03, 0xdf01 },
2688 { 0x02, 0xdf20 },
2689 { 0x01, 0x101a },
2690 { 0x00, 0xa0ff },
2691 { 0x04, 0xf800 },
2692 { 0x04, 0xf000 },
2693 { 0x1f, 0x0000 },
2694
2695 { 0x1f, 0x0007 },
2696 { 0x1e, 0x0023 },
2697 { 0x16, 0x0000 },
2698 { 0x1f, 0x0000 }
2699 };
2700
2701 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2702 }
2703
2704 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
2705 {
2706 static const struct phy_reg phy_reg_init[] = {
2707 { 0x1f, 0x0001 },
2708 { 0x17, 0x0cc0 },
2709
2710 { 0x1f, 0x0007 },
2711 { 0x1e, 0x002d },
2712 { 0x18, 0x0040 },
2713 { 0x1f, 0x0000 }
2714 };
2715
2716 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2717 rtl_patchphy(tp, 0x0d, 1 << 5);
2718 }
2719
2720 static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
2721 {
2722 static const struct phy_reg phy_reg_init[] = {
2723 /* Enable Delay cap */
2724 { 0x1f, 0x0005 },
2725 { 0x05, 0x8b80 },
2726 { 0x06, 0xc896 },
2727 { 0x1f, 0x0000 },
2728
2729 /* Channel estimation fine tune */
2730 { 0x1f, 0x0001 },
2731 { 0x0b, 0x6c20 },
2732 { 0x07, 0x2872 },
2733 { 0x1c, 0xefff },
2734 { 0x1f, 0x0003 },
2735 { 0x14, 0x6420 },
2736 { 0x1f, 0x0000 },
2737
2738 /* Update PFM & 10M TX idle timer */
2739 { 0x1f, 0x0007 },
2740 { 0x1e, 0x002f },
2741 { 0x15, 0x1919 },
2742 { 0x1f, 0x0000 },
2743
2744 { 0x1f, 0x0007 },
2745 { 0x1e, 0x00ac },
2746 { 0x18, 0x0006 },
2747 { 0x1f, 0x0000 }
2748 };
2749
2750 rtl_apply_firmware(tp);
2751
2752 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2753
2754 /* DCO enable for 10M IDLE Power */
2755 rtl_writephy(tp, 0x1f, 0x0007);
2756 rtl_writephy(tp, 0x1e, 0x0023);
2757 rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2758 rtl_writephy(tp, 0x1f, 0x0000);
2759
2760 /* For impedance matching */
2761 rtl_writephy(tp, 0x1f, 0x0002);
2762 rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
2763 rtl_writephy(tp, 0x1f, 0x0000);
2764
2765 /* PHY auto speed down */
2766 rtl_writephy(tp, 0x1f, 0x0007);
2767 rtl_writephy(tp, 0x1e, 0x002d);
2768 rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
2769 rtl_writephy(tp, 0x1f, 0x0000);
2770 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2771
2772 rtl_writephy(tp, 0x1f, 0x0005);
2773 rtl_writephy(tp, 0x05, 0x8b86);
2774 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2775 rtl_writephy(tp, 0x1f, 0x0000);
2776
2777 rtl_writephy(tp, 0x1f, 0x0005);
2778 rtl_writephy(tp, 0x05, 0x8b85);
2779 rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2780 rtl_writephy(tp, 0x1f, 0x0007);
2781 rtl_writephy(tp, 0x1e, 0x0020);
2782 rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
2783 rtl_writephy(tp, 0x1f, 0x0006);
2784 rtl_writephy(tp, 0x00, 0x5a00);
2785 rtl_writephy(tp, 0x1f, 0x0000);
2786 rtl_writephy(tp, 0x0d, 0x0007);
2787 rtl_writephy(tp, 0x0e, 0x003c);
2788 rtl_writephy(tp, 0x0d, 0x4007);
2789 rtl_writephy(tp, 0x0e, 0x0000);
2790 rtl_writephy(tp, 0x0d, 0x0000);
2791 }
2792
2793 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
2794 {
2795 static const struct phy_reg phy_reg_init[] = {
2796 /* Enable Delay cap */
2797 { 0x1f, 0x0004 },
2798 { 0x1f, 0x0007 },
2799 { 0x1e, 0x00ac },
2800 { 0x18, 0x0006 },
2801 { 0x1f, 0x0002 },
2802 { 0x1f, 0x0000 },
2803 { 0x1f, 0x0000 },
2804
2805 /* Channel estimation fine tune */
2806 { 0x1f, 0x0003 },
2807 { 0x09, 0xa20f },
2808 { 0x1f, 0x0000 },
2809 { 0x1f, 0x0000 },
2810
2811 /* Green Setting */
2812 { 0x1f, 0x0005 },
2813 { 0x05, 0x8b5b },
2814 { 0x06, 0x9222 },
2815 { 0x05, 0x8b6d },
2816 { 0x06, 0x8000 },
2817 { 0x05, 0x8b76 },
2818 { 0x06, 0x8000 },
2819 { 0x1f, 0x0000 }
2820 };
2821
2822 rtl_apply_firmware(tp);
2823
2824 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2825
2826 /* For 4-corner performance improve */
2827 rtl_writephy(tp, 0x1f, 0x0005);
2828 rtl_writephy(tp, 0x05, 0x8b80);
2829 rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2830 rtl_writephy(tp, 0x1f, 0x0000);
2831
2832 /* PHY auto speed down */
2833 rtl_writephy(tp, 0x1f, 0x0004);
2834 rtl_writephy(tp, 0x1f, 0x0007);
2835 rtl_writephy(tp, 0x1e, 0x002d);
2836 rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
2837 rtl_writephy(tp, 0x1f, 0x0002);
2838 rtl_writephy(tp, 0x1f, 0x0000);
2839 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2840
2841 /* improve 10M EEE waveform */
2842 rtl_writephy(tp, 0x1f, 0x0005);
2843 rtl_writephy(tp, 0x05, 0x8b86);
2844 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2845 rtl_writephy(tp, 0x1f, 0x0000);
2846
2847 /* Improve 2-pair detection performance */
2848 rtl_writephy(tp, 0x1f, 0x0005);
2849 rtl_writephy(tp, 0x05, 0x8b85);
2850 rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
2851 rtl_writephy(tp, 0x1f, 0x0000);
2852
2853 /* EEE setting */
2854 rtl_w1w0_eri(tp->mmio_addr, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003,
2855 ERIAR_EXGMAC);
2856 rtl_writephy(tp, 0x1f, 0x0005);
2857 rtl_writephy(tp, 0x05, 0x8b85);
2858 rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2859 rtl_writephy(tp, 0x1f, 0x0004);
2860 rtl_writephy(tp, 0x1f, 0x0007);
2861 rtl_writephy(tp, 0x1e, 0x0020);
2862 rtl_w1w0_phy(tp, 0x15, 0x0000, 0x0100);
2863 rtl_writephy(tp, 0x1f, 0x0002);
2864 rtl_writephy(tp, 0x1f, 0x0000);
2865 rtl_writephy(tp, 0x0d, 0x0007);
2866 rtl_writephy(tp, 0x0e, 0x003c);
2867 rtl_writephy(tp, 0x0d, 0x4007);
2868 rtl_writephy(tp, 0x0e, 0x0000);
2869 rtl_writephy(tp, 0x0d, 0x0000);
2870
2871 /* Green feature */
2872 rtl_writephy(tp, 0x1f, 0x0003);
2873 rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
2874 rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
2875 rtl_writephy(tp, 0x1f, 0x0000);
2876 }
2877
2878 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
2879 {
2880 static const struct phy_reg phy_reg_init[] = {
2881 { 0x1f, 0x0003 },
2882 { 0x08, 0x441d },
2883 { 0x01, 0x9100 },
2884 { 0x1f, 0x0000 }
2885 };
2886
2887 rtl_writephy(tp, 0x1f, 0x0000);
2888 rtl_patchphy(tp, 0x11, 1 << 12);
2889 rtl_patchphy(tp, 0x19, 1 << 13);
2890 rtl_patchphy(tp, 0x10, 1 << 15);
2891
2892 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2893 }
2894
2895 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
2896 {
2897 static const struct phy_reg phy_reg_init[] = {
2898 { 0x1f, 0x0005 },
2899 { 0x1a, 0x0000 },
2900 { 0x1f, 0x0000 },
2901
2902 { 0x1f, 0x0004 },
2903 { 0x1c, 0x0000 },
2904 { 0x1f, 0x0000 },
2905
2906 { 0x1f, 0x0001 },
2907 { 0x15, 0x7701 },
2908 { 0x1f, 0x0000 }
2909 };
2910
2911 /* Disable ALDPS before ram code */
2912 rtl_writephy(tp, 0x1f, 0x0000);
2913 rtl_writephy(tp, 0x18, 0x0310);
2914 msleep(100);
2915
2916 rtl_apply_firmware(tp);
2917
2918 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2919 }
2920
2921 static void rtl_hw_phy_config(struct net_device *dev)
2922 {
2923 struct rtl8169_private *tp = netdev_priv(dev);
2924
2925 rtl8169_print_mac_version(tp);
2926
2927 switch (tp->mac_version) {
2928 case RTL_GIGA_MAC_VER_01:
2929 break;
2930 case RTL_GIGA_MAC_VER_02:
2931 case RTL_GIGA_MAC_VER_03:
2932 rtl8169s_hw_phy_config(tp);
2933 break;
2934 case RTL_GIGA_MAC_VER_04:
2935 rtl8169sb_hw_phy_config(tp);
2936 break;
2937 case RTL_GIGA_MAC_VER_05:
2938 rtl8169scd_hw_phy_config(tp);
2939 break;
2940 case RTL_GIGA_MAC_VER_06:
2941 rtl8169sce_hw_phy_config(tp);
2942 break;
2943 case RTL_GIGA_MAC_VER_07:
2944 case RTL_GIGA_MAC_VER_08:
2945 case RTL_GIGA_MAC_VER_09:
2946 rtl8102e_hw_phy_config(tp);
2947 break;
2948 case RTL_GIGA_MAC_VER_11:
2949 rtl8168bb_hw_phy_config(tp);
2950 break;
2951 case RTL_GIGA_MAC_VER_12:
2952 rtl8168bef_hw_phy_config(tp);
2953 break;
2954 case RTL_GIGA_MAC_VER_17:
2955 rtl8168bef_hw_phy_config(tp);
2956 break;
2957 case RTL_GIGA_MAC_VER_18:
2958 rtl8168cp_1_hw_phy_config(tp);
2959 break;
2960 case RTL_GIGA_MAC_VER_19:
2961 rtl8168c_1_hw_phy_config(tp);
2962 break;
2963 case RTL_GIGA_MAC_VER_20:
2964 rtl8168c_2_hw_phy_config(tp);
2965 break;
2966 case RTL_GIGA_MAC_VER_21:
2967 rtl8168c_3_hw_phy_config(tp);
2968 break;
2969 case RTL_GIGA_MAC_VER_22:
2970 rtl8168c_4_hw_phy_config(tp);
2971 break;
2972 case RTL_GIGA_MAC_VER_23:
2973 case RTL_GIGA_MAC_VER_24:
2974 rtl8168cp_2_hw_phy_config(tp);
2975 break;
2976 case RTL_GIGA_MAC_VER_25:
2977 rtl8168d_1_hw_phy_config(tp);
2978 break;
2979 case RTL_GIGA_MAC_VER_26:
2980 rtl8168d_2_hw_phy_config(tp);
2981 break;
2982 case RTL_GIGA_MAC_VER_27:
2983 rtl8168d_3_hw_phy_config(tp);
2984 break;
2985 case RTL_GIGA_MAC_VER_28:
2986 rtl8168d_4_hw_phy_config(tp);
2987 break;
2988 case RTL_GIGA_MAC_VER_29:
2989 case RTL_GIGA_MAC_VER_30:
2990 rtl8105e_hw_phy_config(tp);
2991 break;
2992 case RTL_GIGA_MAC_VER_31:
2993 /* None. */
2994 break;
2995 case RTL_GIGA_MAC_VER_32:
2996 case RTL_GIGA_MAC_VER_33:
2997 rtl8168e_1_hw_phy_config(tp);
2998 break;
2999 case RTL_GIGA_MAC_VER_34:
3000 rtl8168e_2_hw_phy_config(tp);
3001 break;
3002
3003 default:
3004 break;
3005 }
3006 }
3007
3008 static void rtl8169_phy_timer(unsigned long __opaque)
3009 {
3010 struct net_device *dev = (struct net_device *)__opaque;
3011 struct rtl8169_private *tp = netdev_priv(dev);
3012 struct timer_list *timer = &tp->timer;
3013 void __iomem *ioaddr = tp->mmio_addr;
3014 unsigned long timeout = RTL8169_PHY_TIMEOUT;
3015
3016 assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
3017
3018 spin_lock_irq(&tp->lock);
3019
3020 if (tp->phy_reset_pending(tp)) {
3021 /*
3022 * A busy loop could burn quite a few cycles on nowadays CPU.
3023 * Let's delay the execution of the timer for a few ticks.
3024 */
3025 timeout = HZ/10;
3026 goto out_mod_timer;
3027 }
3028
3029 if (tp->link_ok(ioaddr))
3030 goto out_unlock;
3031
3032 netif_warn(tp, link, dev, "PHY reset until link up\n");
3033
3034 tp->phy_reset_enable(tp);
3035
3036 out_mod_timer:
3037 mod_timer(timer, jiffies + timeout);
3038 out_unlock:
3039 spin_unlock_irq(&tp->lock);
3040 }
3041
3042 #ifdef CONFIG_NET_POLL_CONTROLLER
3043 /*
3044 * Polling 'interrupt' - used by things like netconsole to send skbs
3045 * without having to re-enable interrupts. It's not called while
3046 * the interrupt routine is executing.
3047 */
3048 static void rtl8169_netpoll(struct net_device *dev)
3049 {
3050 struct rtl8169_private *tp = netdev_priv(dev);
3051 struct pci_dev *pdev = tp->pci_dev;
3052
3053 disable_irq(pdev->irq);
3054 rtl8169_interrupt(pdev->irq, dev);
3055 enable_irq(pdev->irq);
3056 }
3057 #endif
3058
3059 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
3060 void __iomem *ioaddr)
3061 {
3062 iounmap(ioaddr);
3063 pci_release_regions(pdev);
3064 pci_clear_mwi(pdev);
3065 pci_disable_device(pdev);
3066 free_netdev(dev);
3067 }
3068
3069 static void rtl8169_phy_reset(struct net_device *dev,
3070 struct rtl8169_private *tp)
3071 {
3072 unsigned int i;
3073
3074 tp->phy_reset_enable(tp);
3075 for (i = 0; i < 100; i++) {
3076 if (!tp->phy_reset_pending(tp))
3077 return;
3078 msleep(1);
3079 }
3080 netif_err(tp, link, dev, "PHY reset failed\n");
3081 }
3082
3083 static bool rtl_tbi_enabled(struct rtl8169_private *tp)
3084 {
3085 void __iomem *ioaddr = tp->mmio_addr;
3086
3087 return (tp->mac_version == RTL_GIGA_MAC_VER_01) &&
3088 (RTL_R8(PHYstatus) & TBI_Enable);
3089 }
3090
3091 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3092 {
3093 void __iomem *ioaddr = tp->mmio_addr;
3094
3095 rtl_hw_phy_config(dev);
3096
3097 if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3098 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3099 RTL_W8(0x82, 0x01);
3100 }
3101
3102 pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3103
3104 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
3105 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3106
3107 if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
3108 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3109 RTL_W8(0x82, 0x01);
3110 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
3111 rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
3112 }
3113
3114 rtl8169_phy_reset(dev, tp);
3115
3116 rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3117 ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3118 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3119 (tp->mii.supports_gmii ?
3120 ADVERTISED_1000baseT_Half |
3121 ADVERTISED_1000baseT_Full : 0));
3122
3123 if (rtl_tbi_enabled(tp))
3124 netif_info(tp, link, dev, "TBI auto-negotiating\n");
3125 }
3126
3127 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3128 {
3129 void __iomem *ioaddr = tp->mmio_addr;
3130 u32 high;
3131 u32 low;
3132
3133 low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3134 high = addr[4] | (addr[5] << 8);
3135
3136 spin_lock_irq(&tp->lock);
3137
3138 RTL_W8(Cfg9346, Cfg9346_Unlock);
3139
3140 RTL_W32(MAC4, high);
3141 RTL_R32(MAC4);
3142
3143 RTL_W32(MAC0, low);
3144 RTL_R32(MAC0);
3145
3146 if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
3147 const struct exgmac_reg e[] = {
3148 { .addr = 0xe0, ERIAR_MASK_1111, .val = low },
3149 { .addr = 0xe4, ERIAR_MASK_1111, .val = high },
3150 { .addr = 0xf0, ERIAR_MASK_1111, .val = low << 16 },
3151 { .addr = 0xf4, ERIAR_MASK_1111, .val = high << 16 |
3152 low >> 16 },
3153 };
3154
3155 rtl_write_exgmac_batch(ioaddr, e, ARRAY_SIZE(e));
3156 }
3157
3158 RTL_W8(Cfg9346, Cfg9346_Lock);
3159
3160 spin_unlock_irq(&tp->lock);
3161 }
3162
3163 static int rtl_set_mac_address(struct net_device *dev, void *p)
3164 {
3165 struct rtl8169_private *tp = netdev_priv(dev);
3166 struct sockaddr *addr = p;
3167
3168 if (!is_valid_ether_addr(addr->sa_data))
3169 return -EADDRNOTAVAIL;
3170
3171 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3172
3173 rtl_rar_set(tp, dev->dev_addr);
3174
3175 return 0;
3176 }
3177
3178 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3179 {
3180 struct rtl8169_private *tp = netdev_priv(dev);
3181 struct mii_ioctl_data *data = if_mii(ifr);
3182
3183 return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
3184 }
3185
3186 static int rtl_xmii_ioctl(struct rtl8169_private *tp,
3187 struct mii_ioctl_data *data, int cmd)
3188 {
3189 switch (cmd) {
3190 case SIOCGMIIPHY:
3191 data->phy_id = 32; /* Internal PHY */
3192 return 0;
3193
3194 case SIOCGMIIREG:
3195 data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
3196 return 0;
3197
3198 case SIOCSMIIREG:
3199 rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
3200 return 0;
3201 }
3202 return -EOPNOTSUPP;
3203 }
3204
3205 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
3206 {
3207 return -EOPNOTSUPP;
3208 }
3209
3210 static const struct rtl_cfg_info {
3211 void (*hw_start)(struct net_device *);
3212 unsigned int region;
3213 unsigned int align;
3214 u16 intr_event;
3215 u16 napi_event;
3216 unsigned features;
3217 u8 default_ver;
3218 } rtl_cfg_infos [] = {
3219 [RTL_CFG_0] = {
3220 .hw_start = rtl_hw_start_8169,
3221 .region = 1,
3222 .align = 0,
3223 .intr_event = SYSErr | LinkChg | RxOverflow |
3224 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3225 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3226 .features = RTL_FEATURE_GMII,
3227 .default_ver = RTL_GIGA_MAC_VER_01,
3228 },
3229 [RTL_CFG_1] = {
3230 .hw_start = rtl_hw_start_8168,
3231 .region = 2,
3232 .align = 8,
3233 .intr_event = SYSErr | LinkChg | RxOverflow |
3234 TxErr | TxOK | RxOK | RxErr,
3235 .napi_event = TxErr | TxOK | RxOK | RxOverflow,
3236 .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
3237 .default_ver = RTL_GIGA_MAC_VER_11,
3238 },
3239 [RTL_CFG_2] = {
3240 .hw_start = rtl_hw_start_8101,
3241 .region = 2,
3242 .align = 8,
3243 .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout |
3244 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3245 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3246 .features = RTL_FEATURE_MSI,
3247 .default_ver = RTL_GIGA_MAC_VER_13,
3248 }
3249 };
3250
3251 /* Cfg9346_Unlock assumed. */
3252 static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
3253 const struct rtl_cfg_info *cfg)
3254 {
3255 unsigned msi = 0;
3256 u8 cfg2;
3257
3258 cfg2 = RTL_R8(Config2) & ~MSIEnable;
3259 if (cfg->features & RTL_FEATURE_MSI) {
3260 if (pci_enable_msi(pdev)) {
3261 dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
3262 } else {
3263 cfg2 |= MSIEnable;
3264 msi = RTL_FEATURE_MSI;
3265 }
3266 }
3267 RTL_W8(Config2, cfg2);
3268 return msi;
3269 }
3270
3271 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
3272 {
3273 if (tp->features & RTL_FEATURE_MSI) {
3274 pci_disable_msi(pdev);
3275 tp->features &= ~RTL_FEATURE_MSI;
3276 }
3277 }
3278
3279 static const struct net_device_ops rtl8169_netdev_ops = {
3280 .ndo_open = rtl8169_open,
3281 .ndo_stop = rtl8169_close,
3282 .ndo_get_stats = rtl8169_get_stats,
3283 .ndo_start_xmit = rtl8169_start_xmit,
3284 .ndo_tx_timeout = rtl8169_tx_timeout,
3285 .ndo_validate_addr = eth_validate_addr,
3286 .ndo_change_mtu = rtl8169_change_mtu,
3287 .ndo_fix_features = rtl8169_fix_features,
3288 .ndo_set_features = rtl8169_set_features,
3289 .ndo_set_mac_address = rtl_set_mac_address,
3290 .ndo_do_ioctl = rtl8169_ioctl,
3291 .ndo_set_multicast_list = rtl_set_rx_mode,
3292 #ifdef CONFIG_NET_POLL_CONTROLLER
3293 .ndo_poll_controller = rtl8169_netpoll,
3294 #endif
3295
3296 };
3297
3298 static void __devinit rtl_init_mdio_ops(struct rtl8169_private *tp)
3299 {
3300 struct mdio_ops *ops = &tp->mdio_ops;
3301
3302 switch (tp->mac_version) {
3303 case RTL_GIGA_MAC_VER_27:
3304 ops->write = r8168dp_1_mdio_write;
3305 ops->read = r8168dp_1_mdio_read;
3306 break;
3307 case RTL_GIGA_MAC_VER_28:
3308 case RTL_GIGA_MAC_VER_31:
3309 ops->write = r8168dp_2_mdio_write;
3310 ops->read = r8168dp_2_mdio_read;
3311 break;
3312 default:
3313 ops->write = r8169_mdio_write;
3314 ops->read = r8169_mdio_read;
3315 break;
3316 }
3317 }
3318
3319 static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
3320 {
3321 void __iomem *ioaddr = tp->mmio_addr;
3322
3323 switch (tp->mac_version) {
3324 case RTL_GIGA_MAC_VER_29:
3325 case RTL_GIGA_MAC_VER_30:
3326 case RTL_GIGA_MAC_VER_32:
3327 case RTL_GIGA_MAC_VER_33:
3328 case RTL_GIGA_MAC_VER_34:
3329 RTL_W32(RxConfig, RTL_R32(RxConfig) |
3330 AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
3331 break;
3332 default:
3333 break;
3334 }
3335 }
3336
3337 static bool rtl_wol_pll_power_down(struct rtl8169_private *tp)
3338 {
3339 if (!(__rtl8169_get_wol(tp) & WAKE_ANY))
3340 return false;
3341
3342 rtl_writephy(tp, 0x1f, 0x0000);
3343 rtl_writephy(tp, MII_BMCR, 0x0000);
3344
3345 rtl_wol_suspend_quirk(tp);
3346
3347 return true;
3348 }
3349
3350 static void r810x_phy_power_down(struct rtl8169_private *tp)
3351 {
3352 rtl_writephy(tp, 0x1f, 0x0000);
3353 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3354 }
3355
3356 static void r810x_phy_power_up(struct rtl8169_private *tp)
3357 {
3358 rtl_writephy(tp, 0x1f, 0x0000);
3359 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3360 }
3361
3362 static void r810x_pll_power_down(struct rtl8169_private *tp)
3363 {
3364 if (rtl_wol_pll_power_down(tp))
3365 return;
3366
3367 r810x_phy_power_down(tp);
3368 }
3369
3370 static void r810x_pll_power_up(struct rtl8169_private *tp)
3371 {
3372 r810x_phy_power_up(tp);
3373 }
3374
3375 static void r8168_phy_power_up(struct rtl8169_private *tp)
3376 {
3377 rtl_writephy(tp, 0x1f, 0x0000);
3378 switch (tp->mac_version) {
3379 case RTL_GIGA_MAC_VER_11:
3380 case RTL_GIGA_MAC_VER_12:
3381 case RTL_GIGA_MAC_VER_17:
3382 case RTL_GIGA_MAC_VER_18:
3383 case RTL_GIGA_MAC_VER_19:
3384 case RTL_GIGA_MAC_VER_20:
3385 case RTL_GIGA_MAC_VER_21:
3386 case RTL_GIGA_MAC_VER_22:
3387 case RTL_GIGA_MAC_VER_23:
3388 case RTL_GIGA_MAC_VER_24:
3389 case RTL_GIGA_MAC_VER_25:
3390 case RTL_GIGA_MAC_VER_26:
3391 case RTL_GIGA_MAC_VER_27:
3392 case RTL_GIGA_MAC_VER_28:
3393 case RTL_GIGA_MAC_VER_31:
3394 rtl_writephy(tp, 0x0e, 0x0000);
3395 break;
3396 default:
3397 break;
3398 }
3399 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3400 }
3401
3402 static void r8168_phy_power_down(struct rtl8169_private *tp)
3403 {
3404 rtl_writephy(tp, 0x1f, 0x0000);
3405 switch (tp->mac_version) {
3406 case RTL_GIGA_MAC_VER_32:
3407 case RTL_GIGA_MAC_VER_33:
3408 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
3409 break;
3410
3411 case RTL_GIGA_MAC_VER_11:
3412 case RTL_GIGA_MAC_VER_12:
3413 case RTL_GIGA_MAC_VER_17:
3414 case RTL_GIGA_MAC_VER_18:
3415 case RTL_GIGA_MAC_VER_19:
3416 case RTL_GIGA_MAC_VER_20:
3417 case RTL_GIGA_MAC_VER_21:
3418 case RTL_GIGA_MAC_VER_22:
3419 case RTL_GIGA_MAC_VER_23:
3420 case RTL_GIGA_MAC_VER_24:
3421 case RTL_GIGA_MAC_VER_25:
3422 case RTL_GIGA_MAC_VER_26:
3423 case RTL_GIGA_MAC_VER_27:
3424 case RTL_GIGA_MAC_VER_28:
3425 case RTL_GIGA_MAC_VER_31:
3426 rtl_writephy(tp, 0x0e, 0x0200);
3427 default:
3428 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3429 break;
3430 }
3431 }
3432
3433 static void r8168_pll_power_down(struct rtl8169_private *tp)
3434 {
3435 void __iomem *ioaddr = tp->mmio_addr;
3436
3437 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3438 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3439 tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3440 r8168dp_check_dash(tp)) {
3441 return;
3442 }
3443
3444 if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
3445 tp->mac_version == RTL_GIGA_MAC_VER_24) &&
3446 (RTL_R16(CPlusCmd) & ASF)) {
3447 return;
3448 }
3449
3450 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3451 tp->mac_version == RTL_GIGA_MAC_VER_33)
3452 rtl_ephy_write(ioaddr, 0x19, 0xff64);
3453
3454 if (rtl_wol_pll_power_down(tp))
3455 return;
3456
3457 r8168_phy_power_down(tp);
3458
3459 switch (tp->mac_version) {
3460 case RTL_GIGA_MAC_VER_25:
3461 case RTL_GIGA_MAC_VER_26:
3462 case RTL_GIGA_MAC_VER_27:
3463 case RTL_GIGA_MAC_VER_28:
3464 case RTL_GIGA_MAC_VER_31:
3465 case RTL_GIGA_MAC_VER_32:
3466 case RTL_GIGA_MAC_VER_33:
3467 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
3468 break;
3469 }
3470 }
3471
3472 static void r8168_pll_power_up(struct rtl8169_private *tp)
3473 {
3474 void __iomem *ioaddr = tp->mmio_addr;
3475
3476 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3477 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3478 tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3479 r8168dp_check_dash(tp)) {
3480 return;
3481 }
3482
3483 switch (tp->mac_version) {
3484 case RTL_GIGA_MAC_VER_25:
3485 case RTL_GIGA_MAC_VER_26:
3486 case RTL_GIGA_MAC_VER_27:
3487 case RTL_GIGA_MAC_VER_28:
3488 case RTL_GIGA_MAC_VER_31:
3489 case RTL_GIGA_MAC_VER_32:
3490 case RTL_GIGA_MAC_VER_33:
3491 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
3492 break;
3493 }
3494
3495 r8168_phy_power_up(tp);
3496 }
3497
3498 static void rtl_pll_power_op(struct rtl8169_private *tp,
3499 void (*op)(struct rtl8169_private *))
3500 {
3501 if (op)
3502 op(tp);
3503 }
3504
3505 static void rtl_pll_power_down(struct rtl8169_private *tp)
3506 {
3507 rtl_pll_power_op(tp, tp->pll_power_ops.down);
3508 }
3509
3510 static void rtl_pll_power_up(struct rtl8169_private *tp)
3511 {
3512 rtl_pll_power_op(tp, tp->pll_power_ops.up);
3513 }
3514
3515 static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp)
3516 {
3517 struct pll_power_ops *ops = &tp->pll_power_ops;
3518
3519 switch (tp->mac_version) {
3520 case RTL_GIGA_MAC_VER_07:
3521 case RTL_GIGA_MAC_VER_08:
3522 case RTL_GIGA_MAC_VER_09:
3523 case RTL_GIGA_MAC_VER_10:
3524 case RTL_GIGA_MAC_VER_16:
3525 case RTL_GIGA_MAC_VER_29:
3526 case RTL_GIGA_MAC_VER_30:
3527 ops->down = r810x_pll_power_down;
3528 ops->up = r810x_pll_power_up;
3529 break;
3530
3531 case RTL_GIGA_MAC_VER_11:
3532 case RTL_GIGA_MAC_VER_12:
3533 case RTL_GIGA_MAC_VER_17:
3534 case RTL_GIGA_MAC_VER_18:
3535 case RTL_GIGA_MAC_VER_19:
3536 case RTL_GIGA_MAC_VER_20:
3537 case RTL_GIGA_MAC_VER_21:
3538 case RTL_GIGA_MAC_VER_22:
3539 case RTL_GIGA_MAC_VER_23:
3540 case RTL_GIGA_MAC_VER_24:
3541 case RTL_GIGA_MAC_VER_25:
3542 case RTL_GIGA_MAC_VER_26:
3543 case RTL_GIGA_MAC_VER_27:
3544 case RTL_GIGA_MAC_VER_28:
3545 case RTL_GIGA_MAC_VER_31:
3546 case RTL_GIGA_MAC_VER_32:
3547 case RTL_GIGA_MAC_VER_33:
3548 case RTL_GIGA_MAC_VER_34:
3549 ops->down = r8168_pll_power_down;
3550 ops->up = r8168_pll_power_up;
3551 break;
3552
3553 default:
3554 ops->down = NULL;
3555 ops->up = NULL;
3556 break;
3557 }
3558 }
3559
3560 static void rtl_init_rxcfg(struct rtl8169_private *tp)
3561 {
3562 void __iomem *ioaddr = tp->mmio_addr;
3563
3564 switch (tp->mac_version) {
3565 case RTL_GIGA_MAC_VER_01:
3566 case RTL_GIGA_MAC_VER_02:
3567 case RTL_GIGA_MAC_VER_03:
3568 case RTL_GIGA_MAC_VER_04:
3569 case RTL_GIGA_MAC_VER_05:
3570 case RTL_GIGA_MAC_VER_06:
3571 case RTL_GIGA_MAC_VER_10:
3572 case RTL_GIGA_MAC_VER_11:
3573 case RTL_GIGA_MAC_VER_12:
3574 case RTL_GIGA_MAC_VER_13:
3575 case RTL_GIGA_MAC_VER_14:
3576 case RTL_GIGA_MAC_VER_15:
3577 case RTL_GIGA_MAC_VER_16:
3578 case RTL_GIGA_MAC_VER_17:
3579 RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
3580 break;
3581 case RTL_GIGA_MAC_VER_18:
3582 case RTL_GIGA_MAC_VER_19:
3583 case RTL_GIGA_MAC_VER_20:
3584 case RTL_GIGA_MAC_VER_21:
3585 case RTL_GIGA_MAC_VER_22:
3586 case RTL_GIGA_MAC_VER_23:
3587 case RTL_GIGA_MAC_VER_24:
3588 RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
3589 break;
3590 default:
3591 RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST);
3592 break;
3593 }
3594 }
3595
3596 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
3597 {
3598 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
3599 }
3600
3601 static void rtl_hw_reset(struct rtl8169_private *tp)
3602 {
3603 void __iomem *ioaddr = tp->mmio_addr;
3604 int i;
3605
3606 /* Soft reset the chip. */
3607 RTL_W8(ChipCmd, CmdReset);
3608
3609 /* Check that the chip has finished the reset. */
3610 for (i = 0; i < 100; i++) {
3611 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3612 break;
3613 udelay(100);
3614 }
3615
3616 rtl8169_init_ring_indexes(tp);
3617 }
3618
3619 static int __devinit
3620 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3621 {
3622 const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
3623 const unsigned int region = cfg->region;
3624 struct rtl8169_private *tp;
3625 struct mii_if_info *mii;
3626 struct net_device *dev;
3627 void __iomem *ioaddr;
3628 int chipset, i;
3629 int rc;
3630
3631 if (netif_msg_drv(&debug)) {
3632 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
3633 MODULENAME, RTL8169_VERSION);
3634 }
3635
3636 dev = alloc_etherdev(sizeof (*tp));
3637 if (!dev) {
3638 if (netif_msg_drv(&debug))
3639 dev_err(&pdev->dev, "unable to alloc new ethernet\n");
3640 rc = -ENOMEM;
3641 goto out;
3642 }
3643
3644 SET_NETDEV_DEV(dev, &pdev->dev);
3645 dev->netdev_ops = &rtl8169_netdev_ops;
3646 tp = netdev_priv(dev);
3647 tp->dev = dev;
3648 tp->pci_dev = pdev;
3649 tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
3650
3651 mii = &tp->mii;
3652 mii->dev = dev;
3653 mii->mdio_read = rtl_mdio_read;
3654 mii->mdio_write = rtl_mdio_write;
3655 mii->phy_id_mask = 0x1f;
3656 mii->reg_num_mask = 0x1f;
3657 mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
3658
3659 /* disable ASPM completely as that cause random device stop working
3660 * problems as well as full system hangs for some PCIe devices users */
3661 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
3662 PCIE_LINK_STATE_CLKPM);
3663
3664 /* enable device (incl. PCI PM wakeup and hotplug setup) */
3665 rc = pci_enable_device(pdev);
3666 if (rc < 0) {
3667 netif_err(tp, probe, dev, "enable failure\n");
3668 goto err_out_free_dev_1;
3669 }
3670
3671 if (pci_set_mwi(pdev) < 0)
3672 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
3673
3674 /* make sure PCI base addr 1 is MMIO */
3675 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
3676 netif_err(tp, probe, dev,
3677 "region #%d not an MMIO resource, aborting\n",
3678 region);
3679 rc = -ENODEV;
3680 goto err_out_mwi_2;
3681 }
3682
3683 /* check for weird/broken PCI region reporting */
3684 if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
3685 netif_err(tp, probe, dev,
3686 "Invalid PCI region size(s), aborting\n");
3687 rc = -ENODEV;
3688 goto err_out_mwi_2;
3689 }
3690
3691 rc = pci_request_regions(pdev, MODULENAME);
3692 if (rc < 0) {
3693 netif_err(tp, probe, dev, "could not request regions\n");
3694 goto err_out_mwi_2;
3695 }
3696
3697 tp->cp_cmd = RxChkSum;
3698
3699 if ((sizeof(dma_addr_t) > 4) &&
3700 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
3701 tp->cp_cmd |= PCIDAC;
3702 dev->features |= NETIF_F_HIGHDMA;
3703 } else {
3704 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3705 if (rc < 0) {
3706 netif_err(tp, probe, dev, "DMA configuration failed\n");
3707 goto err_out_free_res_3;
3708 }
3709 }
3710
3711 /* ioremap MMIO region */
3712 ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
3713 if (!ioaddr) {
3714 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
3715 rc = -EIO;
3716 goto err_out_free_res_3;
3717 }
3718 tp->mmio_addr = ioaddr;
3719
3720 if (!pci_is_pcie(pdev))
3721 netif_info(tp, probe, dev, "not PCI Express\n");
3722
3723 /* Identify chip attached to board */
3724 rtl8169_get_mac_version(tp, dev, cfg->default_ver);
3725
3726 rtl_init_rxcfg(tp);
3727
3728 RTL_W16(IntrMask, 0x0000);
3729
3730 rtl_hw_reset(tp);
3731
3732 RTL_W16(IntrStatus, 0xffff);
3733
3734 pci_set_master(pdev);
3735
3736 /*
3737 * Pretend we are using VLANs; This bypasses a nasty bug where
3738 * Interrupts stop flowing on high load on 8110SCd controllers.
3739 */
3740 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3741 tp->cp_cmd |= RxVlan;
3742
3743 rtl_init_mdio_ops(tp);
3744 rtl_init_pll_power_ops(tp);
3745
3746 rtl8169_print_mac_version(tp);
3747
3748 chipset = tp->mac_version;
3749 tp->txd_version = rtl_chip_infos[chipset].txd_version;
3750
3751 RTL_W8(Cfg9346, Cfg9346_Unlock);
3752 RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
3753 RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
3754 if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
3755 tp->features |= RTL_FEATURE_WOL;
3756 if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
3757 tp->features |= RTL_FEATURE_WOL;
3758 tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
3759 RTL_W8(Cfg9346, Cfg9346_Lock);
3760
3761 if (rtl_tbi_enabled(tp)) {
3762 tp->set_speed = rtl8169_set_speed_tbi;
3763 tp->get_settings = rtl8169_gset_tbi;
3764 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
3765 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
3766 tp->link_ok = rtl8169_tbi_link_ok;
3767 tp->do_ioctl = rtl_tbi_ioctl;
3768 } else {
3769 tp->set_speed = rtl8169_set_speed_xmii;
3770 tp->get_settings = rtl8169_gset_xmii;
3771 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
3772 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
3773 tp->link_ok = rtl8169_xmii_link_ok;
3774 tp->do_ioctl = rtl_xmii_ioctl;
3775 }
3776
3777 spin_lock_init(&tp->lock);
3778
3779 /* Get MAC address */
3780 for (i = 0; i < MAC_ADDR_LEN; i++)
3781 dev->dev_addr[i] = RTL_R8(MAC0 + i);
3782 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
3783
3784 SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
3785 dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
3786 dev->irq = pdev->irq;
3787 dev->base_addr = (unsigned long) ioaddr;
3788
3789 netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
3790
3791 /* don't enable SG, IP_CSUM and TSO by default - it might not work
3792 * properly for all devices */
3793 dev->features |= NETIF_F_RXCSUM |
3794 NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3795
3796 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3797 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3798 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3799 NETIF_F_HIGHDMA;
3800
3801 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3802 /* 8110SCd requires hardware Rx VLAN - disallow toggling */
3803 dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
3804
3805 tp->intr_mask = 0xffff;
3806 tp->hw_start = cfg->hw_start;
3807 tp->intr_event = cfg->intr_event;
3808 tp->napi_event = cfg->napi_event;
3809
3810 tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ?
3811 ~(RxBOVF | RxFOVF) : ~0;
3812
3813 init_timer(&tp->timer);
3814 tp->timer.data = (unsigned long) dev;
3815 tp->timer.function = rtl8169_phy_timer;
3816
3817 tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
3818
3819 rc = register_netdev(dev);
3820 if (rc < 0)
3821 goto err_out_msi_4;
3822
3823 pci_set_drvdata(pdev, dev);
3824
3825 netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
3826 rtl_chip_infos[chipset].name, dev->base_addr, dev->dev_addr,
3827 (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
3828
3829 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3830 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3831 tp->mac_version == RTL_GIGA_MAC_VER_31) {
3832 rtl8168_driver_start(tp);
3833 }
3834
3835 device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
3836
3837 if (pci_dev_run_wake(pdev))
3838 pm_runtime_put_noidle(&pdev->dev);
3839
3840 netif_carrier_off(dev);
3841
3842 out:
3843 return rc;
3844
3845 err_out_msi_4:
3846 rtl_disable_msi(pdev, tp);
3847 iounmap(ioaddr);
3848 err_out_free_res_3:
3849 pci_release_regions(pdev);
3850 err_out_mwi_2:
3851 pci_clear_mwi(pdev);
3852 pci_disable_device(pdev);
3853 err_out_free_dev_1:
3854 free_netdev(dev);
3855 goto out;
3856 }
3857
3858 static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
3859 {
3860 struct net_device *dev = pci_get_drvdata(pdev);
3861 struct rtl8169_private *tp = netdev_priv(dev);
3862
3863 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3864 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3865 tp->mac_version == RTL_GIGA_MAC_VER_31) {
3866 rtl8168_driver_stop(tp);
3867 }
3868
3869 cancel_delayed_work_sync(&tp->task);
3870
3871 unregister_netdev(dev);
3872
3873 rtl_release_firmware(tp);
3874
3875 if (pci_dev_run_wake(pdev))
3876 pm_runtime_get_noresume(&pdev->dev);
3877
3878 /* restore original MAC address */
3879 rtl_rar_set(tp, dev->perm_addr);
3880
3881 rtl_disable_msi(pdev, tp);
3882 rtl8169_release_board(pdev, dev, tp->mmio_addr);
3883 pci_set_drvdata(pdev, NULL);
3884 }
3885
3886 static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
3887 {
3888 struct rtl_fw *rtl_fw;
3889 const char *name;
3890 int rc = -ENOMEM;
3891
3892 name = rtl_lookup_firmware_name(tp);
3893 if (!name)
3894 goto out_no_firmware;
3895
3896 rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
3897 if (!rtl_fw)
3898 goto err_warn;
3899
3900 rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
3901 if (rc < 0)
3902 goto err_free;
3903
3904 rc = rtl_check_firmware(tp, rtl_fw);
3905 if (rc < 0)
3906 goto err_release_firmware;
3907
3908 tp->rtl_fw = rtl_fw;
3909 out:
3910 return;
3911
3912 err_release_firmware:
3913 release_firmware(rtl_fw->fw);
3914 err_free:
3915 kfree(rtl_fw);
3916 err_warn:
3917 netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
3918 name, rc);
3919 out_no_firmware:
3920 tp->rtl_fw = NULL;
3921 goto out;
3922 }
3923
3924 static void rtl_request_firmware(struct rtl8169_private *tp)
3925 {
3926 if (IS_ERR(tp->rtl_fw))
3927 rtl_request_uncached_firmware(tp);
3928 }
3929
3930 static int rtl8169_open(struct net_device *dev)
3931 {
3932 struct rtl8169_private *tp = netdev_priv(dev);
3933 void __iomem *ioaddr = tp->mmio_addr;
3934 struct pci_dev *pdev = tp->pci_dev;
3935 int retval = -ENOMEM;
3936
3937 pm_runtime_get_sync(&pdev->dev);
3938
3939 /*
3940 * Rx and Tx desscriptors needs 256 bytes alignment.
3941 * dma_alloc_coherent provides more.
3942 */
3943 tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
3944 &tp->TxPhyAddr, GFP_KERNEL);
3945 if (!tp->TxDescArray)
3946 goto err_pm_runtime_put;
3947
3948 tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
3949 &tp->RxPhyAddr, GFP_KERNEL);
3950 if (!tp->RxDescArray)
3951 goto err_free_tx_0;
3952
3953 retval = rtl8169_init_ring(dev);
3954 if (retval < 0)
3955 goto err_free_rx_1;
3956
3957 INIT_DELAYED_WORK(&tp->task, NULL);
3958
3959 smp_mb();
3960
3961 rtl_request_firmware(tp);
3962
3963 retval = request_irq(dev->irq, rtl8169_interrupt,
3964 (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
3965 dev->name, dev);
3966 if (retval < 0)
3967 goto err_release_fw_2;
3968
3969 napi_enable(&tp->napi);
3970
3971 rtl8169_init_phy(dev, tp);
3972
3973 rtl8169_set_features(dev, dev->features);
3974
3975 rtl_pll_power_up(tp);
3976
3977 rtl_hw_start(dev);
3978
3979 tp->saved_wolopts = 0;
3980 pm_runtime_put_noidle(&pdev->dev);
3981
3982 rtl8169_check_link_status(dev, tp, ioaddr);
3983 out:
3984 return retval;
3985
3986 err_release_fw_2:
3987 rtl_release_firmware(tp);
3988 rtl8169_rx_clear(tp);
3989 err_free_rx_1:
3990 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
3991 tp->RxPhyAddr);
3992 tp->RxDescArray = NULL;
3993 err_free_tx_0:
3994 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
3995 tp->TxPhyAddr);
3996 tp->TxDescArray = NULL;
3997 err_pm_runtime_put:
3998 pm_runtime_put_noidle(&pdev->dev);
3999 goto out;
4000 }
4001
4002 static void rtl_rx_close(struct rtl8169_private *tp)
4003 {
4004 void __iomem *ioaddr = tp->mmio_addr;
4005
4006 RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
4007 }
4008
4009 static void rtl8169_hw_reset(struct rtl8169_private *tp)
4010 {
4011 void __iomem *ioaddr = tp->mmio_addr;
4012
4013 /* Disable interrupts */
4014 rtl8169_irq_mask_and_ack(ioaddr);
4015
4016 rtl_rx_close(tp);
4017
4018 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4019 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
4020 tp->mac_version == RTL_GIGA_MAC_VER_31) {
4021 while (RTL_R8(TxPoll) & NPQ)
4022 udelay(20);
4023 } else if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
4024 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4025 while (!(RTL_R32(TxConfig) & TXCFG_EMPTY))
4026 udelay(100);
4027 } else {
4028 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4029 udelay(100);
4030 }
4031
4032 rtl_hw_reset(tp);
4033 }
4034
4035 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
4036 {
4037 void __iomem *ioaddr = tp->mmio_addr;
4038
4039 /* Set DMA burst size and Interframe Gap Time */
4040 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4041 (InterFrameGap << TxInterFrameGapShift));
4042 }
4043
4044 static void rtl_hw_start(struct net_device *dev)
4045 {
4046 struct rtl8169_private *tp = netdev_priv(dev);
4047
4048 tp->hw_start(dev);
4049
4050 netif_start_queue(dev);
4051 }
4052
4053 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
4054 void __iomem *ioaddr)
4055 {
4056 /*
4057 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
4058 * register to be written before TxDescAddrLow to work.
4059 * Switching from MMIO to I/O access fixes the issue as well.
4060 */
4061 RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4062 RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4063 RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4064 RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4065 }
4066
4067 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
4068 {
4069 u16 cmd;
4070
4071 cmd = RTL_R16(CPlusCmd);
4072 RTL_W16(CPlusCmd, cmd);
4073 return cmd;
4074 }
4075
4076 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
4077 {
4078 /* Low hurts. Let's disable the filtering. */
4079 RTL_W16(RxMaxSize, rx_buf_sz + 1);
4080 }
4081
4082 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
4083 {
4084 static const struct rtl_cfg2_info {
4085 u32 mac_version;
4086 u32 clk;
4087 u32 val;
4088 } cfg2_info [] = {
4089 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
4090 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
4091 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
4092 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
4093 };
4094 const struct rtl_cfg2_info *p = cfg2_info;
4095 unsigned int i;
4096 u32 clk;
4097
4098 clk = RTL_R8(Config2) & PCI_Clock_66MHz;
4099 for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
4100 if ((p->mac_version == mac_version) && (p->clk == clk)) {
4101 RTL_W32(0x7c, p->val);
4102 break;
4103 }
4104 }
4105 }
4106
4107 static void rtl_hw_start_8169(struct net_device *dev)
4108 {
4109 struct rtl8169_private *tp = netdev_priv(dev);
4110 void __iomem *ioaddr = tp->mmio_addr;
4111 struct pci_dev *pdev = tp->pci_dev;
4112
4113 if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
4114 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
4115 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
4116 }
4117
4118 RTL_W8(Cfg9346, Cfg9346_Unlock);
4119 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4120 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4121 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4122 tp->mac_version == RTL_GIGA_MAC_VER_04)
4123 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4124
4125 rtl_init_rxcfg(tp);
4126
4127 RTL_W8(EarlyTxThres, NoEarlyTx);
4128
4129 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4130
4131 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4132 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4133 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4134 tp->mac_version == RTL_GIGA_MAC_VER_04)
4135 rtl_set_rx_tx_config_registers(tp);
4136
4137 tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
4138
4139 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4140 tp->mac_version == RTL_GIGA_MAC_VER_03) {
4141 dprintk("Set MAC Reg C+CR Offset 0xE0. "
4142 "Bit-3 and bit-14 MUST be 1\n");
4143 tp->cp_cmd |= (1 << 14);
4144 }
4145
4146 RTL_W16(CPlusCmd, tp->cp_cmd);
4147
4148 rtl8169_set_magic_reg(ioaddr, tp->mac_version);
4149
4150 /*
4151 * Undocumented corner. Supposedly:
4152 * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
4153 */
4154 RTL_W16(IntrMitigate, 0x0000);
4155
4156 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4157
4158 if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
4159 tp->mac_version != RTL_GIGA_MAC_VER_02 &&
4160 tp->mac_version != RTL_GIGA_MAC_VER_03 &&
4161 tp->mac_version != RTL_GIGA_MAC_VER_04) {
4162 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4163 rtl_set_rx_tx_config_registers(tp);
4164 }
4165
4166 RTL_W8(Cfg9346, Cfg9346_Lock);
4167
4168 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
4169 RTL_R8(IntrMask);
4170
4171 RTL_W32(RxMissed, 0);
4172
4173 rtl_set_rx_mode(dev);
4174
4175 /* no early-rx interrupts */
4176 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4177
4178 /* Enable all known interrupts by setting the interrupt mask. */
4179 RTL_W16(IntrMask, tp->intr_event);
4180 }
4181
4182 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
4183 {
4184 int cap = pci_pcie_cap(pdev);
4185
4186 if (cap) {
4187 u16 ctl;
4188
4189 pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
4190 ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
4191 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
4192 }
4193 }
4194
4195 static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
4196 {
4197 u32 csi;
4198
4199 csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
4200 rtl_csi_write(ioaddr, 0x070c, csi | bits);
4201 }
4202
4203 static void rtl_csi_access_enable_1(void __iomem *ioaddr)
4204 {
4205 rtl_csi_access_enable(ioaddr, 0x17000000);
4206 }
4207
4208 static void rtl_csi_access_enable_2(void __iomem *ioaddr)
4209 {
4210 rtl_csi_access_enable(ioaddr, 0x27000000);
4211 }
4212
4213 struct ephy_info {
4214 unsigned int offset;
4215 u16 mask;
4216 u16 bits;
4217 };
4218
4219 static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
4220 {
4221 u16 w;
4222
4223 while (len-- > 0) {
4224 w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
4225 rtl_ephy_write(ioaddr, e->offset, w);
4226 e++;
4227 }
4228 }
4229
4230 static void rtl_disable_clock_request(struct pci_dev *pdev)
4231 {
4232 int cap = pci_pcie_cap(pdev);
4233
4234 if (cap) {
4235 u16 ctl;
4236
4237 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4238 ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
4239 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4240 }
4241 }
4242
4243 static void rtl_enable_clock_request(struct pci_dev *pdev)
4244 {
4245 int cap = pci_pcie_cap(pdev);
4246
4247 if (cap) {
4248 u16 ctl;
4249
4250 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4251 ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
4252 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4253 }
4254 }
4255
4256 #define R8168_CPCMD_QUIRK_MASK (\
4257 EnableBist | \
4258 Mac_dbgo_oe | \
4259 Force_half_dup | \
4260 Force_rxflow_en | \
4261 Force_txflow_en | \
4262 Cxpl_dbg_sel | \
4263 ASF | \
4264 PktCntrDisable | \
4265 Mac_dbgo_sel)
4266
4267 static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
4268 {
4269 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4270
4271 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4272
4273 rtl_tx_performance_tweak(pdev,
4274 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4275 }
4276
4277 static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
4278 {
4279 rtl_hw_start_8168bb(ioaddr, pdev);
4280
4281 RTL_W8(MaxTxPacketSize, TxPacketMax);
4282
4283 RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4284 }
4285
4286 static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
4287 {
4288 RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
4289
4290 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4291
4292 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4293
4294 rtl_disable_clock_request(pdev);
4295
4296 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4297 }
4298
4299 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
4300 {
4301 static const struct ephy_info e_info_8168cp[] = {
4302 { 0x01, 0, 0x0001 },
4303 { 0x02, 0x0800, 0x1000 },
4304 { 0x03, 0, 0x0042 },
4305 { 0x06, 0x0080, 0x0000 },
4306 { 0x07, 0, 0x2000 }
4307 };
4308
4309 rtl_csi_access_enable_2(ioaddr);
4310
4311 rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
4312
4313 __rtl_hw_start_8168cp(ioaddr, pdev);
4314 }
4315
4316 static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
4317 {
4318 rtl_csi_access_enable_2(ioaddr);
4319
4320 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4321
4322 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4323
4324 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4325 }
4326
4327 static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
4328 {
4329 rtl_csi_access_enable_2(ioaddr);
4330
4331 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4332
4333 /* Magic. */
4334 RTL_W8(DBG_REG, 0x20);
4335
4336 RTL_W8(MaxTxPacketSize, TxPacketMax);
4337
4338 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4339
4340 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4341 }
4342
4343 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
4344 {
4345 static const struct ephy_info e_info_8168c_1[] = {
4346 { 0x02, 0x0800, 0x1000 },
4347 { 0x03, 0, 0x0002 },
4348 { 0x06, 0x0080, 0x0000 }
4349 };
4350
4351 rtl_csi_access_enable_2(ioaddr);
4352
4353 RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
4354
4355 rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
4356
4357 __rtl_hw_start_8168cp(ioaddr, pdev);
4358 }
4359
4360 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
4361 {
4362 static const struct ephy_info e_info_8168c_2[] = {
4363 { 0x01, 0, 0x0001 },
4364 { 0x03, 0x0400, 0x0220 }
4365 };
4366
4367 rtl_csi_access_enable_2(ioaddr);
4368
4369 rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
4370
4371 __rtl_hw_start_8168cp(ioaddr, pdev);
4372 }
4373
4374 static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
4375 {
4376 rtl_hw_start_8168c_2(ioaddr, pdev);
4377 }
4378
4379 static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
4380 {
4381 rtl_csi_access_enable_2(ioaddr);
4382
4383 __rtl_hw_start_8168cp(ioaddr, pdev);
4384 }
4385
4386 static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
4387 {
4388 rtl_csi_access_enable_2(ioaddr);
4389
4390 rtl_disable_clock_request(pdev);
4391
4392 RTL_W8(MaxTxPacketSize, TxPacketMax);
4393
4394 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4395
4396 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4397 }
4398
4399 static void rtl_hw_start_8168dp(void __iomem *ioaddr, struct pci_dev *pdev)
4400 {
4401 rtl_csi_access_enable_1(ioaddr);
4402
4403 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4404
4405 RTL_W8(MaxTxPacketSize, TxPacketMax);
4406
4407 rtl_disable_clock_request(pdev);
4408 }
4409
4410 static void rtl_hw_start_8168d_4(void __iomem *ioaddr, struct pci_dev *pdev)
4411 {
4412 static const struct ephy_info e_info_8168d_4[] = {
4413 { 0x0b, ~0, 0x48 },
4414 { 0x19, 0x20, 0x50 },
4415 { 0x0c, ~0, 0x20 }
4416 };
4417 int i;
4418
4419 rtl_csi_access_enable_1(ioaddr);
4420
4421 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4422
4423 RTL_W8(MaxTxPacketSize, TxPacketMax);
4424
4425 for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
4426 const struct ephy_info *e = e_info_8168d_4 + i;
4427 u16 w;
4428
4429 w = rtl_ephy_read(ioaddr, e->offset);
4430 rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
4431 }
4432
4433 rtl_enable_clock_request(pdev);
4434 }
4435
4436 static void rtl_hw_start_8168e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4437 {
4438 static const struct ephy_info e_info_8168e_1[] = {
4439 { 0x00, 0x0200, 0x0100 },
4440 { 0x00, 0x0000, 0x0004 },
4441 { 0x06, 0x0002, 0x0001 },
4442 { 0x06, 0x0000, 0x0030 },
4443 { 0x07, 0x0000, 0x2000 },
4444 { 0x00, 0x0000, 0x0020 },
4445 { 0x03, 0x5800, 0x2000 },
4446 { 0x03, 0x0000, 0x0001 },
4447 { 0x01, 0x0800, 0x1000 },
4448 { 0x07, 0x0000, 0x4000 },
4449 { 0x1e, 0x0000, 0x2000 },
4450 { 0x19, 0xffff, 0xfe6c },
4451 { 0x0a, 0x0000, 0x0040 }
4452 };
4453
4454 rtl_csi_access_enable_2(ioaddr);
4455
4456 rtl_ephy_init(ioaddr, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
4457
4458 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4459
4460 RTL_W8(MaxTxPacketSize, TxPacketMax);
4461
4462 rtl_disable_clock_request(pdev);
4463
4464 /* Reset tx FIFO pointer */
4465 RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
4466 RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
4467
4468 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4469 }
4470
4471 static void rtl_hw_start_8168e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4472 {
4473 static const struct ephy_info e_info_8168e_2[] = {
4474 { 0x09, 0x0000, 0x0080 },
4475 { 0x19, 0x0000, 0x0224 }
4476 };
4477
4478 rtl_csi_access_enable_1(ioaddr);
4479
4480 rtl_ephy_init(ioaddr, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
4481
4482 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4483
4484 rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4485 rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4486 rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
4487 rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
4488 rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
4489 rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
4490 rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4491 rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
4492 ERIAR_EXGMAC);
4493
4494 RTL_W8(MaxTxPacketSize, 0x27);
4495
4496 rtl_disable_clock_request(pdev);
4497
4498 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
4499 RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
4500
4501 /* Adjust EEE LED frequency */
4502 RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
4503
4504 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4505 RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
4506 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4507 }
4508
4509 static void rtl_hw_start_8168(struct net_device *dev)
4510 {
4511 struct rtl8169_private *tp = netdev_priv(dev);
4512 void __iomem *ioaddr = tp->mmio_addr;
4513 struct pci_dev *pdev = tp->pci_dev;
4514
4515 RTL_W8(Cfg9346, Cfg9346_Unlock);
4516
4517 RTL_W8(MaxTxPacketSize, TxPacketMax);
4518
4519 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4520
4521 tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
4522
4523 RTL_W16(CPlusCmd, tp->cp_cmd);
4524
4525 RTL_W16(IntrMitigate, 0x5151);
4526
4527 /* Work around for RxFIFO overflow. */
4528 if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
4529 tp->mac_version == RTL_GIGA_MAC_VER_22) {
4530 tp->intr_event |= RxFIFOOver | PCSTimeout;
4531 tp->intr_event &= ~RxOverflow;
4532 }
4533
4534 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4535
4536 rtl_set_rx_mode(dev);
4537
4538 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4539 (InterFrameGap << TxInterFrameGapShift));
4540
4541 RTL_R8(IntrMask);
4542
4543 switch (tp->mac_version) {
4544 case RTL_GIGA_MAC_VER_11:
4545 rtl_hw_start_8168bb(ioaddr, pdev);
4546 break;
4547
4548 case RTL_GIGA_MAC_VER_12:
4549 case RTL_GIGA_MAC_VER_17:
4550 rtl_hw_start_8168bef(ioaddr, pdev);
4551 break;
4552
4553 case RTL_GIGA_MAC_VER_18:
4554 rtl_hw_start_8168cp_1(ioaddr, pdev);
4555 break;
4556
4557 case RTL_GIGA_MAC_VER_19:
4558 rtl_hw_start_8168c_1(ioaddr, pdev);
4559 break;
4560
4561 case RTL_GIGA_MAC_VER_20:
4562 rtl_hw_start_8168c_2(ioaddr, pdev);
4563 break;
4564
4565 case RTL_GIGA_MAC_VER_21:
4566 rtl_hw_start_8168c_3(ioaddr, pdev);
4567 break;
4568
4569 case RTL_GIGA_MAC_VER_22:
4570 rtl_hw_start_8168c_4(ioaddr, pdev);
4571 break;
4572
4573 case RTL_GIGA_MAC_VER_23:
4574 rtl_hw_start_8168cp_2(ioaddr, pdev);
4575 break;
4576
4577 case RTL_GIGA_MAC_VER_24:
4578 rtl_hw_start_8168cp_3(ioaddr, pdev);
4579 break;
4580
4581 case RTL_GIGA_MAC_VER_25:
4582 case RTL_GIGA_MAC_VER_26:
4583 case RTL_GIGA_MAC_VER_27:
4584 rtl_hw_start_8168d(ioaddr, pdev);
4585 break;
4586
4587 case RTL_GIGA_MAC_VER_28:
4588 rtl_hw_start_8168d_4(ioaddr, pdev);
4589 break;
4590
4591 case RTL_GIGA_MAC_VER_31:
4592 rtl_hw_start_8168dp(ioaddr, pdev);
4593 break;
4594
4595 case RTL_GIGA_MAC_VER_32:
4596 case RTL_GIGA_MAC_VER_33:
4597 rtl_hw_start_8168e_1(ioaddr, pdev);
4598 break;
4599 case RTL_GIGA_MAC_VER_34:
4600 rtl_hw_start_8168e_2(ioaddr, pdev);
4601 break;
4602
4603 default:
4604 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
4605 dev->name, tp->mac_version);
4606 break;
4607 }
4608
4609 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4610
4611 RTL_W8(Cfg9346, Cfg9346_Lock);
4612
4613 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4614
4615 RTL_W16(IntrMask, tp->intr_event);
4616 }
4617
4618 #define R810X_CPCMD_QUIRK_MASK (\
4619 EnableBist | \
4620 Mac_dbgo_oe | \
4621 Force_half_dup | \
4622 Force_rxflow_en | \
4623 Force_txflow_en | \
4624 Cxpl_dbg_sel | \
4625 ASF | \
4626 PktCntrDisable | \
4627 Mac_dbgo_sel)
4628
4629 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4630 {
4631 static const struct ephy_info e_info_8102e_1[] = {
4632 { 0x01, 0, 0x6e65 },
4633 { 0x02, 0, 0x091f },
4634 { 0x03, 0, 0xc2f9 },
4635 { 0x06, 0, 0xafb5 },
4636 { 0x07, 0, 0x0e00 },
4637 { 0x19, 0, 0xec80 },
4638 { 0x01, 0, 0x2e65 },
4639 { 0x01, 0, 0x6e65 }
4640 };
4641 u8 cfg1;
4642
4643 rtl_csi_access_enable_2(ioaddr);
4644
4645 RTL_W8(DBG_REG, FIX_NAK_1);
4646
4647 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4648
4649 RTL_W8(Config1,
4650 LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
4651 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4652
4653 cfg1 = RTL_R8(Config1);
4654 if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
4655 RTL_W8(Config1, cfg1 & ~LEDS0);
4656
4657 rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
4658 }
4659
4660 static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4661 {
4662 rtl_csi_access_enable_2(ioaddr);
4663
4664 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4665
4666 RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
4667 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4668 }
4669
4670 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
4671 {
4672 rtl_hw_start_8102e_2(ioaddr, pdev);
4673
4674 rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
4675 }
4676
4677 static void rtl_hw_start_8105e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4678 {
4679 static const struct ephy_info e_info_8105e_1[] = {
4680 { 0x07, 0, 0x4000 },
4681 { 0x19, 0, 0x0200 },
4682 { 0x19, 0, 0x0020 },
4683 { 0x1e, 0, 0x2000 },
4684 { 0x03, 0, 0x0001 },
4685 { 0x19, 0, 0x0100 },
4686 { 0x19, 0, 0x0004 },
4687 { 0x0a, 0, 0x0020 }
4688 };
4689
4690 /* Force LAN exit from ASPM if Rx/Tx are not idle */
4691 RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
4692
4693 /* Disable Early Tally Counter */
4694 RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
4695
4696 RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
4697 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4698
4699 rtl_ephy_init(ioaddr, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
4700 }
4701
4702 static void rtl_hw_start_8105e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4703 {
4704 rtl_hw_start_8105e_1(ioaddr, pdev);
4705 rtl_ephy_write(ioaddr, 0x1e, rtl_ephy_read(ioaddr, 0x1e) | 0x8000);
4706 }
4707
4708 static void rtl_hw_start_8101(struct net_device *dev)
4709 {
4710 struct rtl8169_private *tp = netdev_priv(dev);
4711 void __iomem *ioaddr = tp->mmio_addr;
4712 struct pci_dev *pdev = tp->pci_dev;
4713
4714 if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
4715 tp->mac_version == RTL_GIGA_MAC_VER_16) {
4716 int cap = pci_pcie_cap(pdev);
4717
4718 if (cap) {
4719 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
4720 PCI_EXP_DEVCTL_NOSNOOP_EN);
4721 }
4722 }
4723
4724 RTL_W8(Cfg9346, Cfg9346_Unlock);
4725
4726 switch (tp->mac_version) {
4727 case RTL_GIGA_MAC_VER_07:
4728 rtl_hw_start_8102e_1(ioaddr, pdev);
4729 break;
4730
4731 case RTL_GIGA_MAC_VER_08:
4732 rtl_hw_start_8102e_3(ioaddr, pdev);
4733 break;
4734
4735 case RTL_GIGA_MAC_VER_09:
4736 rtl_hw_start_8102e_2(ioaddr, pdev);
4737 break;
4738
4739 case RTL_GIGA_MAC_VER_29:
4740 rtl_hw_start_8105e_1(ioaddr, pdev);
4741 break;
4742 case RTL_GIGA_MAC_VER_30:
4743 rtl_hw_start_8105e_2(ioaddr, pdev);
4744 break;
4745 }
4746
4747 RTL_W8(Cfg9346, Cfg9346_Lock);
4748
4749 RTL_W8(MaxTxPacketSize, TxPacketMax);
4750
4751 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4752
4753 tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
4754 RTL_W16(CPlusCmd, tp->cp_cmd);
4755
4756 RTL_W16(IntrMitigate, 0x0000);
4757
4758 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4759
4760 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4761 rtl_set_rx_tx_config_registers(tp);
4762
4763 RTL_R8(IntrMask);
4764
4765 rtl_set_rx_mode(dev);
4766
4767 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
4768
4769 RTL_W16(IntrMask, tp->intr_event);
4770 }
4771
4772 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
4773 {
4774 if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu)
4775 return -EINVAL;
4776
4777 dev->mtu = new_mtu;
4778 netdev_update_features(dev);
4779
4780 return 0;
4781 }
4782
4783 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
4784 {
4785 desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
4786 desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
4787 }
4788
4789 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
4790 void **data_buff, struct RxDesc *desc)
4791 {
4792 dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
4793 DMA_FROM_DEVICE);
4794
4795 kfree(*data_buff);
4796 *data_buff = NULL;
4797 rtl8169_make_unusable_by_asic(desc);
4798 }
4799
4800 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
4801 {
4802 u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
4803
4804 desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
4805 }
4806
4807 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
4808 u32 rx_buf_sz)
4809 {
4810 desc->addr = cpu_to_le64(mapping);
4811 wmb();
4812 rtl8169_mark_to_asic(desc, rx_buf_sz);
4813 }
4814
4815 static inline void *rtl8169_align(void *data)
4816 {
4817 return (void *)ALIGN((long)data, 16);
4818 }
4819
4820 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
4821 struct RxDesc *desc)
4822 {
4823 void *data;
4824 dma_addr_t mapping;
4825 struct device *d = &tp->pci_dev->dev;
4826 struct net_device *dev = tp->dev;
4827 int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
4828
4829 data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
4830 if (!data)
4831 return NULL;
4832
4833 if (rtl8169_align(data) != data) {
4834 kfree(data);
4835 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
4836 if (!data)
4837 return NULL;
4838 }
4839
4840 mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
4841 DMA_FROM_DEVICE);
4842 if (unlikely(dma_mapping_error(d, mapping))) {
4843 if (net_ratelimit())
4844 netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
4845 goto err_out;
4846 }
4847
4848 rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
4849 return data;
4850
4851 err_out:
4852 kfree(data);
4853 return NULL;
4854 }
4855
4856 static void rtl8169_rx_clear(struct rtl8169_private *tp)
4857 {
4858 unsigned int i;
4859
4860 for (i = 0; i < NUM_RX_DESC; i++) {
4861 if (tp->Rx_databuff[i]) {
4862 rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
4863 tp->RxDescArray + i);
4864 }
4865 }
4866 }
4867
4868 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
4869 {
4870 desc->opts1 |= cpu_to_le32(RingEnd);
4871 }
4872
4873 static int rtl8169_rx_fill(struct rtl8169_private *tp)
4874 {
4875 unsigned int i;
4876
4877 for (i = 0; i < NUM_RX_DESC; i++) {
4878 void *data;
4879
4880 if (tp->Rx_databuff[i])
4881 continue;
4882
4883 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
4884 if (!data) {
4885 rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
4886 goto err_out;
4887 }
4888 tp->Rx_databuff[i] = data;
4889 }
4890
4891 rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
4892 return 0;
4893
4894 err_out:
4895 rtl8169_rx_clear(tp);
4896 return -ENOMEM;
4897 }
4898
4899 static int rtl8169_init_ring(struct net_device *dev)
4900 {
4901 struct rtl8169_private *tp = netdev_priv(dev);
4902
4903 rtl8169_init_ring_indexes(tp);
4904
4905 memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
4906 memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
4907
4908 return rtl8169_rx_fill(tp);
4909 }
4910
4911 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
4912 struct TxDesc *desc)
4913 {
4914 unsigned int len = tx_skb->len;
4915
4916 dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
4917
4918 desc->opts1 = 0x00;
4919 desc->opts2 = 0x00;
4920 desc->addr = 0x00;
4921 tx_skb->len = 0;
4922 }
4923
4924 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
4925 unsigned int n)
4926 {
4927 unsigned int i;
4928
4929 for (i = 0; i < n; i++) {
4930 unsigned int entry = (start + i) % NUM_TX_DESC;
4931 struct ring_info *tx_skb = tp->tx_skb + entry;
4932 unsigned int len = tx_skb->len;
4933
4934 if (len) {
4935 struct sk_buff *skb = tx_skb->skb;
4936
4937 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
4938 tp->TxDescArray + entry);
4939 if (skb) {
4940 tp->dev->stats.tx_dropped++;
4941 dev_kfree_skb(skb);
4942 tx_skb->skb = NULL;
4943 }
4944 }
4945 }
4946 }
4947
4948 static void rtl8169_tx_clear(struct rtl8169_private *tp)
4949 {
4950 rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
4951 tp->cur_tx = tp->dirty_tx = 0;
4952 }
4953
4954 static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
4955 {
4956 struct rtl8169_private *tp = netdev_priv(dev);
4957
4958 PREPARE_DELAYED_WORK(&tp->task, task);
4959 schedule_delayed_work(&tp->task, 4);
4960 }
4961
4962 static void rtl8169_wait_for_quiescence(struct net_device *dev)
4963 {
4964 struct rtl8169_private *tp = netdev_priv(dev);
4965 void __iomem *ioaddr = tp->mmio_addr;
4966
4967 synchronize_irq(dev->irq);
4968
4969 /* Wait for any pending NAPI task to complete */
4970 napi_disable(&tp->napi);
4971
4972 rtl8169_irq_mask_and_ack(ioaddr);
4973
4974 tp->intr_mask = 0xffff;
4975 RTL_W16(IntrMask, tp->intr_event);
4976 napi_enable(&tp->napi);
4977 }
4978
4979 static void rtl8169_reinit_task(struct work_struct *work)
4980 {
4981 struct rtl8169_private *tp =
4982 container_of(work, struct rtl8169_private, task.work);
4983 struct net_device *dev = tp->dev;
4984 int ret;
4985
4986 rtnl_lock();
4987
4988 if (!netif_running(dev))
4989 goto out_unlock;
4990
4991 rtl8169_wait_for_quiescence(dev);
4992 rtl8169_close(dev);
4993
4994 ret = rtl8169_open(dev);
4995 if (unlikely(ret < 0)) {
4996 if (net_ratelimit())
4997 netif_err(tp, drv, dev,
4998 "reinit failure (status = %d). Rescheduling\n",
4999 ret);
5000 rtl8169_schedule_work(dev, rtl8169_reinit_task);
5001 }
5002
5003 out_unlock:
5004 rtnl_unlock();
5005 }
5006
5007 static void rtl8169_reset_task(struct work_struct *work)
5008 {
5009 struct rtl8169_private *tp =
5010 container_of(work, struct rtl8169_private, task.work);
5011 struct net_device *dev = tp->dev;
5012 int i;
5013
5014 rtnl_lock();
5015
5016 if (!netif_running(dev))
5017 goto out_unlock;
5018
5019 rtl8169_wait_for_quiescence(dev);
5020
5021 for (i = 0; i < NUM_RX_DESC; i++)
5022 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
5023
5024 rtl8169_tx_clear(tp);
5025
5026 rtl8169_hw_reset(tp);
5027 rtl_hw_start(dev);
5028 netif_wake_queue(dev);
5029 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
5030
5031 out_unlock:
5032 rtnl_unlock();
5033 }
5034
5035 static void rtl8169_tx_timeout(struct net_device *dev)
5036 {
5037 struct rtl8169_private *tp = netdev_priv(dev);
5038
5039 rtl8169_hw_reset(tp);
5040
5041 /* Let's wait a bit while any (async) irq lands on */
5042 rtl8169_schedule_work(dev, rtl8169_reset_task);
5043 }
5044
5045 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
5046 u32 *opts)
5047 {
5048 struct skb_shared_info *info = skb_shinfo(skb);
5049 unsigned int cur_frag, entry;
5050 struct TxDesc * uninitialized_var(txd);
5051 struct device *d = &tp->pci_dev->dev;
5052
5053 entry = tp->cur_tx;
5054 for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
5055 skb_frag_t *frag = info->frags + cur_frag;
5056 dma_addr_t mapping;
5057 u32 status, len;
5058 void *addr;
5059
5060 entry = (entry + 1) % NUM_TX_DESC;
5061
5062 txd = tp->TxDescArray + entry;
5063 len = frag->size;
5064 addr = ((void *) page_address(frag->page)) + frag->page_offset;
5065 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5066 if (unlikely(dma_mapping_error(d, mapping))) {
5067 if (net_ratelimit())
5068 netif_err(tp, drv, tp->dev,
5069 "Failed to map TX fragments DMA!\n");
5070 goto err_out;
5071 }
5072
5073 /* Anti gcc 2.95.3 bugware (sic) */
5074 status = opts[0] | len |
5075 (RingEnd * !((entry + 1) % NUM_TX_DESC));
5076
5077 txd->opts1 = cpu_to_le32(status);
5078 txd->opts2 = cpu_to_le32(opts[1]);
5079 txd->addr = cpu_to_le64(mapping);
5080
5081 tp->tx_skb[entry].len = len;
5082 }
5083
5084 if (cur_frag) {
5085 tp->tx_skb[entry].skb = skb;
5086 txd->opts1 |= cpu_to_le32(LastFrag);
5087 }
5088
5089 return cur_frag;
5090
5091 err_out:
5092 rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5093 return -EIO;
5094 }
5095
5096 static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
5097 struct sk_buff *skb, u32 *opts)
5098 {
5099 const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
5100 u32 mss = skb_shinfo(skb)->gso_size;
5101 int offset = info->opts_offset;
5102
5103 if (mss) {
5104 opts[0] |= TD_LSO;
5105 opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
5106 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5107 const struct iphdr *ip = ip_hdr(skb);
5108
5109 if (ip->protocol == IPPROTO_TCP)
5110 opts[offset] |= info->checksum.tcp;
5111 else if (ip->protocol == IPPROTO_UDP)
5112 opts[offset] |= info->checksum.udp;
5113 else
5114 WARN_ON_ONCE(1);
5115 }
5116 }
5117
5118 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5119 struct net_device *dev)
5120 {
5121 struct rtl8169_private *tp = netdev_priv(dev);
5122 unsigned int entry = tp->cur_tx % NUM_TX_DESC;
5123 struct TxDesc *txd = tp->TxDescArray + entry;
5124 void __iomem *ioaddr = tp->mmio_addr;
5125 struct device *d = &tp->pci_dev->dev;
5126 dma_addr_t mapping;
5127 u32 status, len;
5128 u32 opts[2];
5129 int frags;
5130
5131 if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
5132 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5133 goto err_stop_0;
5134 }
5135
5136 if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5137 goto err_stop_0;
5138
5139 len = skb_headlen(skb);
5140 mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
5141 if (unlikely(dma_mapping_error(d, mapping))) {
5142 if (net_ratelimit())
5143 netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
5144 goto err_dma_0;
5145 }
5146
5147 tp->tx_skb[entry].len = len;
5148 txd->addr = cpu_to_le64(mapping);
5149
5150 opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
5151 opts[0] = DescOwn;
5152
5153 rtl8169_tso_csum(tp, skb, opts);
5154
5155 frags = rtl8169_xmit_frags(tp, skb, opts);
5156 if (frags < 0)
5157 goto err_dma_1;
5158 else if (frags)
5159 opts[0] |= FirstFrag;
5160 else {
5161 opts[0] |= FirstFrag | LastFrag;
5162 tp->tx_skb[entry].skb = skb;
5163 }
5164
5165 txd->opts2 = cpu_to_le32(opts[1]);
5166
5167 wmb();
5168
5169 /* Anti gcc 2.95.3 bugware (sic) */
5170 status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
5171 txd->opts1 = cpu_to_le32(status);
5172
5173 tp->cur_tx += frags + 1;
5174
5175 wmb();
5176
5177 RTL_W8(TxPoll, NPQ);
5178
5179 if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
5180 netif_stop_queue(dev);
5181 smp_rmb();
5182 if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
5183 netif_wake_queue(dev);
5184 }
5185
5186 return NETDEV_TX_OK;
5187
5188 err_dma_1:
5189 rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
5190 err_dma_0:
5191 dev_kfree_skb(skb);
5192 dev->stats.tx_dropped++;
5193 return NETDEV_TX_OK;
5194
5195 err_stop_0:
5196 netif_stop_queue(dev);
5197 dev->stats.tx_dropped++;
5198 return NETDEV_TX_BUSY;
5199 }
5200
5201 static void rtl8169_pcierr_interrupt(struct net_device *dev)
5202 {
5203 struct rtl8169_private *tp = netdev_priv(dev);
5204 struct pci_dev *pdev = tp->pci_dev;
5205 u16 pci_status, pci_cmd;
5206
5207 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
5208 pci_read_config_word(pdev, PCI_STATUS, &pci_status);
5209
5210 netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
5211 pci_cmd, pci_status);
5212
5213 /*
5214 * The recovery sequence below admits a very elaborated explanation:
5215 * - it seems to work;
5216 * - I did not see what else could be done;
5217 * - it makes iop3xx happy.
5218 *
5219 * Feel free to adjust to your needs.
5220 */
5221 if (pdev->broken_parity_status)
5222 pci_cmd &= ~PCI_COMMAND_PARITY;
5223 else
5224 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
5225
5226 pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
5227
5228 pci_write_config_word(pdev, PCI_STATUS,
5229 pci_status & (PCI_STATUS_DETECTED_PARITY |
5230 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
5231 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
5232
5233 /* The infamous DAC f*ckup only happens at boot time */
5234 if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
5235 void __iomem *ioaddr = tp->mmio_addr;
5236
5237 netif_info(tp, intr, dev, "disabling PCI DAC\n");
5238 tp->cp_cmd &= ~PCIDAC;
5239 RTL_W16(CPlusCmd, tp->cp_cmd);
5240 dev->features &= ~NETIF_F_HIGHDMA;
5241 }
5242
5243 rtl8169_hw_reset(tp);
5244
5245 rtl8169_schedule_work(dev, rtl8169_reinit_task);
5246 }
5247
5248 static void rtl8169_tx_interrupt(struct net_device *dev,
5249 struct rtl8169_private *tp,
5250 void __iomem *ioaddr)
5251 {
5252 unsigned int dirty_tx, tx_left;
5253
5254 dirty_tx = tp->dirty_tx;
5255 smp_rmb();
5256 tx_left = tp->cur_tx - dirty_tx;
5257
5258 while (tx_left > 0) {
5259 unsigned int entry = dirty_tx % NUM_TX_DESC;
5260 struct ring_info *tx_skb = tp->tx_skb + entry;
5261 u32 status;
5262
5263 rmb();
5264 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
5265 if (status & DescOwn)
5266 break;
5267
5268 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
5269 tp->TxDescArray + entry);
5270 if (status & LastFrag) {
5271 dev->stats.tx_packets++;
5272 dev->stats.tx_bytes += tx_skb->skb->len;
5273 dev_kfree_skb(tx_skb->skb);
5274 tx_skb->skb = NULL;
5275 }
5276 dirty_tx++;
5277 tx_left--;
5278 }
5279
5280 if (tp->dirty_tx != dirty_tx) {
5281 tp->dirty_tx = dirty_tx;
5282 smp_wmb();
5283 if (netif_queue_stopped(dev) &&
5284 (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
5285 netif_wake_queue(dev);
5286 }
5287 /*
5288 * 8168 hack: TxPoll requests are lost when the Tx packets are
5289 * too close. Let's kick an extra TxPoll request when a burst
5290 * of start_xmit activity is detected (if it is not detected,
5291 * it is slow enough). -- FR
5292 */
5293 smp_rmb();
5294 if (tp->cur_tx != dirty_tx)
5295 RTL_W8(TxPoll, NPQ);
5296 }
5297 }
5298
5299 static inline int rtl8169_fragmented_frame(u32 status)
5300 {
5301 return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
5302 }
5303
5304 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
5305 {
5306 u32 status = opts1 & RxProtoMask;
5307
5308 if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
5309 ((status == RxProtoUDP) && !(opts1 & UDPFail)))
5310 skb->ip_summed = CHECKSUM_UNNECESSARY;
5311 else
5312 skb_checksum_none_assert(skb);
5313 }
5314
5315 static struct sk_buff *rtl8169_try_rx_copy(void *data,
5316 struct rtl8169_private *tp,
5317 int pkt_size,
5318 dma_addr_t addr)
5319 {
5320 struct sk_buff *skb;
5321 struct device *d = &tp->pci_dev->dev;
5322
5323 data = rtl8169_align(data);
5324 dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
5325 prefetch(data);
5326 skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
5327 if (skb)
5328 memcpy(skb->data, data, pkt_size);
5329 dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
5330
5331 return skb;
5332 }
5333
5334 static int rtl8169_rx_interrupt(struct net_device *dev,
5335 struct rtl8169_private *tp,
5336 void __iomem *ioaddr, u32 budget)
5337 {
5338 unsigned int cur_rx, rx_left;
5339 unsigned int count;
5340
5341 cur_rx = tp->cur_rx;
5342 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
5343 rx_left = min(rx_left, budget);
5344
5345 for (; rx_left > 0; rx_left--, cur_rx++) {
5346 unsigned int entry = cur_rx % NUM_RX_DESC;
5347 struct RxDesc *desc = tp->RxDescArray + entry;
5348 u32 status;
5349
5350 rmb();
5351 status = le32_to_cpu(desc->opts1) & tp->opts1_mask;
5352
5353 if (status & DescOwn)
5354 break;
5355 if (unlikely(status & RxRES)) {
5356 netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
5357 status);
5358 dev->stats.rx_errors++;
5359 if (status & (RxRWT | RxRUNT))
5360 dev->stats.rx_length_errors++;
5361 if (status & RxCRC)
5362 dev->stats.rx_crc_errors++;
5363 if (status & RxFOVF) {
5364 rtl8169_schedule_work(dev, rtl8169_reset_task);
5365 dev->stats.rx_fifo_errors++;
5366 }
5367 rtl8169_mark_to_asic(desc, rx_buf_sz);
5368 } else {
5369 struct sk_buff *skb;
5370 dma_addr_t addr = le64_to_cpu(desc->addr);
5371 int pkt_size = (status & 0x00001FFF) - 4;
5372
5373 /*
5374 * The driver does not support incoming fragmented
5375 * frames. They are seen as a symptom of over-mtu
5376 * sized frames.
5377 */
5378 if (unlikely(rtl8169_fragmented_frame(status))) {
5379 dev->stats.rx_dropped++;
5380 dev->stats.rx_length_errors++;
5381 rtl8169_mark_to_asic(desc, rx_buf_sz);
5382 continue;
5383 }
5384
5385 skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
5386 tp, pkt_size, addr);
5387 rtl8169_mark_to_asic(desc, rx_buf_sz);
5388 if (!skb) {
5389 dev->stats.rx_dropped++;
5390 continue;
5391 }
5392
5393 rtl8169_rx_csum(skb, status);
5394 skb_put(skb, pkt_size);
5395 skb->protocol = eth_type_trans(skb, dev);
5396
5397 rtl8169_rx_vlan_tag(desc, skb);
5398
5399 napi_gro_receive(&tp->napi, skb);
5400
5401 dev->stats.rx_bytes += pkt_size;
5402 dev->stats.rx_packets++;
5403 }
5404
5405 /* Work around for AMD plateform. */
5406 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
5407 (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
5408 desc->opts2 = 0;
5409 cur_rx++;
5410 }
5411 }
5412
5413 count = cur_rx - tp->cur_rx;
5414 tp->cur_rx = cur_rx;
5415
5416 tp->dirty_rx += count;
5417
5418 return count;
5419 }
5420
5421 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
5422 {
5423 struct net_device *dev = dev_instance;
5424 struct rtl8169_private *tp = netdev_priv(dev);
5425 void __iomem *ioaddr = tp->mmio_addr;
5426 int handled = 0;
5427 int status;
5428
5429 /* loop handling interrupts until we have no new ones or
5430 * we hit a invalid/hotplug case.
5431 */
5432 status = RTL_R16(IntrStatus);
5433 while (status && status != 0xffff) {
5434 handled = 1;
5435
5436 /* Handle all of the error cases first. These will reset
5437 * the chip, so just exit the loop.
5438 */
5439 if (unlikely(!netif_running(dev))) {
5440 rtl8169_hw_reset(tp);
5441 break;
5442 }
5443
5444 if (unlikely(status & RxFIFOOver)) {
5445 switch (tp->mac_version) {
5446 /* Work around for rx fifo overflow */
5447 case RTL_GIGA_MAC_VER_11:
5448 case RTL_GIGA_MAC_VER_22:
5449 case RTL_GIGA_MAC_VER_26:
5450 netif_stop_queue(dev);
5451 rtl8169_tx_timeout(dev);
5452 goto done;
5453 /* Testers needed. */
5454 case RTL_GIGA_MAC_VER_17:
5455 case RTL_GIGA_MAC_VER_19:
5456 case RTL_GIGA_MAC_VER_20:
5457 case RTL_GIGA_MAC_VER_21:
5458 case RTL_GIGA_MAC_VER_23:
5459 case RTL_GIGA_MAC_VER_24:
5460 case RTL_GIGA_MAC_VER_27:
5461 case RTL_GIGA_MAC_VER_28:
5462 case RTL_GIGA_MAC_VER_31:
5463 /* Experimental science. Pktgen proof. */
5464 case RTL_GIGA_MAC_VER_12:
5465 case RTL_GIGA_MAC_VER_25:
5466 if (status == RxFIFOOver)
5467 goto done;
5468 break;
5469 default:
5470 break;
5471 }
5472 }
5473
5474 if (unlikely(status & SYSErr)) {
5475 rtl8169_pcierr_interrupt(dev);
5476 break;
5477 }
5478
5479 if (status & LinkChg)
5480 __rtl8169_check_link_status(dev, tp, ioaddr, true);
5481
5482 /* We need to see the lastest version of tp->intr_mask to
5483 * avoid ignoring an MSI interrupt and having to wait for
5484 * another event which may never come.
5485 */
5486 smp_rmb();
5487 if (status & tp->intr_mask & tp->napi_event) {
5488 RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
5489 tp->intr_mask = ~tp->napi_event;
5490
5491 if (likely(napi_schedule_prep(&tp->napi)))
5492 __napi_schedule(&tp->napi);
5493 else
5494 netif_info(tp, intr, dev,
5495 "interrupt %04x in poll\n", status);
5496 }
5497
5498 /* We only get a new MSI interrupt when all active irq
5499 * sources on the chip have been acknowledged. So, ack
5500 * everything we've seen and check if new sources have become
5501 * active to avoid blocking all interrupts from the chip.
5502 */
5503 RTL_W16(IntrStatus,
5504 (status & RxFIFOOver) ? (status | RxOverflow) : status);
5505 status = RTL_R16(IntrStatus);
5506 }
5507 done:
5508 return IRQ_RETVAL(handled);
5509 }
5510
5511 static int rtl8169_poll(struct napi_struct *napi, int budget)
5512 {
5513 struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
5514 struct net_device *dev = tp->dev;
5515 void __iomem *ioaddr = tp->mmio_addr;
5516 int work_done;
5517
5518 work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
5519 rtl8169_tx_interrupt(dev, tp, ioaddr);
5520
5521 if (work_done < budget) {
5522 napi_complete(napi);
5523
5524 /* We need for force the visibility of tp->intr_mask
5525 * for other CPUs, as we can loose an MSI interrupt
5526 * and potentially wait for a retransmit timeout if we don't.
5527 * The posted write to IntrMask is safe, as it will
5528 * eventually make it to the chip and we won't loose anything
5529 * until it does.
5530 */
5531 tp->intr_mask = 0xffff;
5532 wmb();
5533 RTL_W16(IntrMask, tp->intr_event);
5534 }
5535
5536 return work_done;
5537 }
5538
5539 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
5540 {
5541 struct rtl8169_private *tp = netdev_priv(dev);
5542
5543 if (tp->mac_version > RTL_GIGA_MAC_VER_06)
5544 return;
5545
5546 dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
5547 RTL_W32(RxMissed, 0);
5548 }
5549
5550 static void rtl8169_down(struct net_device *dev)
5551 {
5552 struct rtl8169_private *tp = netdev_priv(dev);
5553 void __iomem *ioaddr = tp->mmio_addr;
5554
5555 del_timer_sync(&tp->timer);
5556
5557 netif_stop_queue(dev);
5558
5559 napi_disable(&tp->napi);
5560
5561 spin_lock_irq(&tp->lock);
5562
5563 rtl8169_hw_reset(tp);
5564 /*
5565 * At this point device interrupts can not be enabled in any function,
5566 * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task,
5567 * rtl8169_reinit_task) and napi is disabled (rtl8169_poll).
5568 */
5569 rtl8169_rx_missed(dev, ioaddr);
5570
5571 spin_unlock_irq(&tp->lock);
5572
5573 synchronize_irq(dev->irq);
5574
5575 /* Give a racing hard_start_xmit a few cycles to complete. */
5576 synchronize_sched(); /* FIXME: should this be synchronize_irq()? */
5577
5578 rtl8169_tx_clear(tp);
5579
5580 rtl8169_rx_clear(tp);
5581
5582 rtl_pll_power_down(tp);
5583 }
5584
5585 static int rtl8169_close(struct net_device *dev)
5586 {
5587 struct rtl8169_private *tp = netdev_priv(dev);
5588 struct pci_dev *pdev = tp->pci_dev;
5589
5590 pm_runtime_get_sync(&pdev->dev);
5591
5592 /* Update counters before going down */
5593 rtl8169_update_counters(dev);
5594
5595 rtl8169_down(dev);
5596
5597 free_irq(dev->irq, dev);
5598
5599 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
5600 tp->RxPhyAddr);
5601 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
5602 tp->TxPhyAddr);
5603 tp->TxDescArray = NULL;
5604 tp->RxDescArray = NULL;
5605
5606 pm_runtime_put_sync(&pdev->dev);
5607
5608 return 0;
5609 }
5610
5611 static void rtl_set_rx_mode(struct net_device *dev)
5612 {
5613 struct rtl8169_private *tp = netdev_priv(dev);
5614 void __iomem *ioaddr = tp->mmio_addr;
5615 unsigned long flags;
5616 u32 mc_filter[2]; /* Multicast hash filter */
5617 int rx_mode;
5618 u32 tmp = 0;
5619
5620 if (dev->flags & IFF_PROMISC) {
5621 /* Unconditionally log net taps. */
5622 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
5623 rx_mode =
5624 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
5625 AcceptAllPhys;
5626 mc_filter[1] = mc_filter[0] = 0xffffffff;
5627 } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
5628 (dev->flags & IFF_ALLMULTI)) {
5629 /* Too many to filter perfectly -- accept all multicasts. */
5630 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
5631 mc_filter[1] = mc_filter[0] = 0xffffffff;
5632 } else {
5633 struct netdev_hw_addr *ha;
5634
5635 rx_mode = AcceptBroadcast | AcceptMyPhys;
5636 mc_filter[1] = mc_filter[0] = 0;
5637 netdev_for_each_mc_addr(ha, dev) {
5638 int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
5639 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
5640 rx_mode |= AcceptMulticast;
5641 }
5642 }
5643
5644 spin_lock_irqsave(&tp->lock, flags);
5645
5646 tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
5647
5648 if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
5649 u32 data = mc_filter[0];
5650
5651 mc_filter[0] = swab32(mc_filter[1]);
5652 mc_filter[1] = swab32(data);
5653 }
5654
5655 RTL_W32(MAR0 + 4, mc_filter[1]);
5656 RTL_W32(MAR0 + 0, mc_filter[0]);
5657
5658 RTL_W32(RxConfig, tmp);
5659
5660 spin_unlock_irqrestore(&tp->lock, flags);
5661 }
5662
5663 /**
5664 * rtl8169_get_stats - Get rtl8169 read/write statistics
5665 * @dev: The Ethernet Device to get statistics for
5666 *
5667 * Get TX/RX statistics for rtl8169
5668 */
5669 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
5670 {
5671 struct rtl8169_private *tp = netdev_priv(dev);
5672 void __iomem *ioaddr = tp->mmio_addr;
5673 unsigned long flags;
5674
5675 if (netif_running(dev)) {
5676 spin_lock_irqsave(&tp->lock, flags);
5677 rtl8169_rx_missed(dev, ioaddr);
5678 spin_unlock_irqrestore(&tp->lock, flags);
5679 }
5680
5681 return &dev->stats;
5682 }
5683
5684 static void rtl8169_net_suspend(struct net_device *dev)
5685 {
5686 struct rtl8169_private *tp = netdev_priv(dev);
5687
5688 if (!netif_running(dev))
5689 return;
5690
5691 rtl_pll_power_down(tp);
5692
5693 netif_device_detach(dev);
5694 netif_stop_queue(dev);
5695 }
5696
5697 #ifdef CONFIG_PM
5698
5699 static int rtl8169_suspend(struct device *device)
5700 {
5701 struct pci_dev *pdev = to_pci_dev(device);
5702 struct net_device *dev = pci_get_drvdata(pdev);
5703
5704 rtl8169_net_suspend(dev);
5705
5706 return 0;
5707 }
5708
5709 static void __rtl8169_resume(struct net_device *dev)
5710 {
5711 struct rtl8169_private *tp = netdev_priv(dev);
5712
5713 netif_device_attach(dev);
5714
5715 rtl_pll_power_up(tp);
5716
5717 rtl8169_schedule_work(dev, rtl8169_reset_task);
5718 }
5719
5720 static int rtl8169_resume(struct device *device)
5721 {
5722 struct pci_dev *pdev = to_pci_dev(device);
5723 struct net_device *dev = pci_get_drvdata(pdev);
5724 struct rtl8169_private *tp = netdev_priv(dev);
5725
5726 rtl8169_init_phy(dev, tp);
5727
5728 if (netif_running(dev))
5729 __rtl8169_resume(dev);
5730
5731 return 0;
5732 }
5733
5734 static int rtl8169_runtime_suspend(struct device *device)
5735 {
5736 struct pci_dev *pdev = to_pci_dev(device);
5737 struct net_device *dev = pci_get_drvdata(pdev);
5738 struct rtl8169_private *tp = netdev_priv(dev);
5739
5740 if (!tp->TxDescArray)
5741 return 0;
5742
5743 spin_lock_irq(&tp->lock);
5744 tp->saved_wolopts = __rtl8169_get_wol(tp);
5745 __rtl8169_set_wol(tp, WAKE_ANY);
5746 spin_unlock_irq(&tp->lock);
5747
5748 rtl8169_net_suspend(dev);
5749
5750 return 0;
5751 }
5752
5753 static int rtl8169_runtime_resume(struct device *device)
5754 {
5755 struct pci_dev *pdev = to_pci_dev(device);
5756 struct net_device *dev = pci_get_drvdata(pdev);
5757 struct rtl8169_private *tp = netdev_priv(dev);
5758
5759 if (!tp->TxDescArray)
5760 return 0;
5761
5762 spin_lock_irq(&tp->lock);
5763 __rtl8169_set_wol(tp, tp->saved_wolopts);
5764 tp->saved_wolopts = 0;
5765 spin_unlock_irq(&tp->lock);
5766
5767 rtl8169_init_phy(dev, tp);
5768
5769 __rtl8169_resume(dev);
5770
5771 return 0;
5772 }
5773
5774 static int rtl8169_runtime_idle(struct device *device)
5775 {
5776 struct pci_dev *pdev = to_pci_dev(device);
5777 struct net_device *dev = pci_get_drvdata(pdev);
5778 struct rtl8169_private *tp = netdev_priv(dev);
5779
5780 return tp->TxDescArray ? -EBUSY : 0;
5781 }
5782
5783 static const struct dev_pm_ops rtl8169_pm_ops = {
5784 .suspend = rtl8169_suspend,
5785 .resume = rtl8169_resume,
5786 .freeze = rtl8169_suspend,
5787 .thaw = rtl8169_resume,
5788 .poweroff = rtl8169_suspend,
5789 .restore = rtl8169_resume,
5790 .runtime_suspend = rtl8169_runtime_suspend,
5791 .runtime_resume = rtl8169_runtime_resume,
5792 .runtime_idle = rtl8169_runtime_idle,
5793 };
5794
5795 #define RTL8169_PM_OPS (&rtl8169_pm_ops)
5796
5797 #else /* !CONFIG_PM */
5798
5799 #define RTL8169_PM_OPS NULL
5800
5801 #endif /* !CONFIG_PM */
5802
5803 static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
5804 {
5805 void __iomem *ioaddr = tp->mmio_addr;
5806
5807 /* WoL fails with 8168b when the receiver is disabled. */
5808 switch (tp->mac_version) {
5809 case RTL_GIGA_MAC_VER_11:
5810 case RTL_GIGA_MAC_VER_12:
5811 case RTL_GIGA_MAC_VER_17:
5812 pci_clear_master(tp->pci_dev);
5813
5814 RTL_W8(ChipCmd, CmdRxEnb);
5815 /* PCI commit */
5816 RTL_R8(ChipCmd);
5817 break;
5818 default:
5819 break;
5820 }
5821 }
5822
5823 static void rtl_shutdown(struct pci_dev *pdev)
5824 {
5825 struct net_device *dev = pci_get_drvdata(pdev);
5826 struct rtl8169_private *tp = netdev_priv(dev);
5827
5828 rtl8169_net_suspend(dev);
5829
5830 /* Restore original MAC address */
5831 rtl_rar_set(tp, dev->perm_addr);
5832
5833 spin_lock_irq(&tp->lock);
5834
5835 rtl8169_hw_reset(tp);
5836
5837 spin_unlock_irq(&tp->lock);
5838
5839 if (system_state == SYSTEM_POWER_OFF) {
5840 if (__rtl8169_get_wol(tp) & WAKE_ANY) {
5841 rtl_wol_suspend_quirk(tp);
5842 rtl_wol_shutdown_quirk(tp);
5843 }
5844
5845 pci_wake_from_d3(pdev, true);
5846 pci_set_power_state(pdev, PCI_D3hot);
5847 }
5848 }
5849
5850 static struct pci_driver rtl8169_pci_driver = {
5851 .name = MODULENAME,
5852 .id_table = rtl8169_pci_tbl,
5853 .probe = rtl8169_init_one,
5854 .remove = __devexit_p(rtl8169_remove_one),
5855 .shutdown = rtl_shutdown,
5856 .driver.pm = RTL8169_PM_OPS,
5857 };
5858
5859 static int __init rtl8169_init_module(void)
5860 {
5861 return pci_register_driver(&rtl8169_pci_driver);
5862 }
5863
5864 static void __exit rtl8169_cleanup_module(void)
5865 {
5866 pci_unregister_driver(&rtl8169_pci_driver);
5867 }
5868
5869 module_init(rtl8169_init_module);
5870 module_exit(rtl8169_cleanup_module);
Linux with added FPC-III support