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Linux 4.19.133
[linux/fpc-iii.git] / drivers / media / pci / cobalt / cobalt-driver.c
blob4885e833c05227999cfcb00266c88917c765472b
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * cobalt driver initialization and card probing
4 *
5 * Derived from cx18-driver.c
6 *
7 * Copyright 2012-2015 Cisco Systems, Inc. and/or its affiliates.
8 * All rights reserved.
9 */
10
11 #include <linux/delay.h>
12 #include <media/i2c/adv7604.h>
13 #include <media/i2c/adv7842.h>
14 #include <media/i2c/adv7511.h>
15 #include <media/v4l2-event.h>
16 #include <media/v4l2-ctrls.h>
17
18 #include "cobalt-driver.h"
19 #include "cobalt-irq.h"
20 #include "cobalt-i2c.h"
21 #include "cobalt-v4l2.h"
22 #include "cobalt-flash.h"
23 #include "cobalt-alsa.h"
24 #include "cobalt-omnitek.h"
25
26 /* add your revision and whatnot here */
27 static const struct pci_device_id cobalt_pci_tbl[] = {
28 {PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_COBALT,
29 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
30 {0,}
31 };
32
33 MODULE_DEVICE_TABLE(pci, cobalt_pci_tbl);
34
35 static atomic_t cobalt_instance = ATOMIC_INIT(0);
36
37 int cobalt_debug;
38 module_param_named(debug, cobalt_debug, int, 0644);
39 MODULE_PARM_DESC(debug, "Debug level. Default: 0\n");
40
41 int cobalt_ignore_err;
42 module_param_named(ignore_err, cobalt_ignore_err, int, 0644);
43 MODULE_PARM_DESC(ignore_err,
44 "If set then ignore missing i2c adapters/receivers. Default: 0\n");
45
46 MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com> & Morten Hestnes");
47 MODULE_DESCRIPTION("cobalt driver");
48 MODULE_LICENSE("GPL");
49
50 static u8 edid[256] = {
51 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
52 0x50, 0x21, 0x32, 0x27, 0x00, 0x00, 0x00, 0x00,
53 0x22, 0x1a, 0x01, 0x03, 0x80, 0x30, 0x1b, 0x78,
54 0x0f, 0xee, 0x91, 0xa3, 0x54, 0x4c, 0x99, 0x26,
55 0x0f, 0x50, 0x54, 0x2f, 0xcf, 0x00, 0x31, 0x59,
56 0x45, 0x59, 0x61, 0x59, 0x81, 0x99, 0x01, 0x01,
57 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x3a,
58 0x80, 0x18, 0x71, 0x38, 0x2d, 0x40, 0x58, 0x2c,
59 0x46, 0x00, 0xe0, 0x0e, 0x11, 0x00, 0x00, 0x1e,
60 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x55, 0x18,
61 0x5e, 0x11, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20,
62 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x63,
63 0x6f, 0x62, 0x61, 0x6c, 0x74, 0x0a, 0x20, 0x20,
64 0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0x10,
65 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
66 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x9c,
67
68 0x02, 0x03, 0x1f, 0xf0, 0x4a, 0x90, 0x1f, 0x04,
69 0x13, 0x22, 0x21, 0x20, 0x02, 0x11, 0x01, 0x23,
70 0x09, 0x07, 0x07, 0x68, 0x03, 0x0c, 0x00, 0x10,
71 0x00, 0x00, 0x22, 0x0f, 0xe2, 0x00, 0xea, 0x00,
72 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
73 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
74 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
75 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
76 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
77 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
78 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
79 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
80 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
81 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
82 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
83 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa7,
84 };
85
86 static void cobalt_set_interrupt(struct cobalt *cobalt, bool enable)
87 {
88 if (enable) {
89 unsigned irqs = COBALT_SYSSTAT_VI0_INT1_MSK |
90 COBALT_SYSSTAT_VI1_INT1_MSK |
91 COBALT_SYSSTAT_VI2_INT1_MSK |
92 COBALT_SYSSTAT_VI3_INT1_MSK |
93 COBALT_SYSSTAT_VI0_INT2_MSK |
94 COBALT_SYSSTAT_VI1_INT2_MSK |
95 COBALT_SYSSTAT_VI2_INT2_MSK |
96 COBALT_SYSSTAT_VI3_INT2_MSK |
97 COBALT_SYSSTAT_VI0_LOST_DATA_MSK |
98 COBALT_SYSSTAT_VI1_LOST_DATA_MSK |
99 COBALT_SYSSTAT_VI2_LOST_DATA_MSK |
100 COBALT_SYSSTAT_VI3_LOST_DATA_MSK |
101 COBALT_SYSSTAT_AUD_IN_LOST_DATA_MSK;
102
103 if (cobalt->have_hsma_rx)
104 irqs |= COBALT_SYSSTAT_VIHSMA_INT1_MSK |
105 COBALT_SYSSTAT_VIHSMA_INT2_MSK |
106 COBALT_SYSSTAT_VIHSMA_LOST_DATA_MSK;
107
108 if (cobalt->have_hsma_tx)
109 irqs |= COBALT_SYSSTAT_VOHSMA_INT1_MSK |
110 COBALT_SYSSTAT_VOHSMA_LOST_DATA_MSK |
111 COBALT_SYSSTAT_AUD_OUT_LOST_DATA_MSK;
112 /* Clear any existing interrupts */
113 cobalt_write_bar1(cobalt, COBALT_SYS_STAT_EDGE, 0xffffffff);
114 /* PIO Core interrupt mask register.
115 Enable ADV7604 INT1 interrupts */
116 cobalt_write_bar1(cobalt, COBALT_SYS_STAT_MASK, irqs);
117 } else {
118 /* Disable all ADV7604 interrupts */
119 cobalt_write_bar1(cobalt, COBALT_SYS_STAT_MASK, 0);
120 }
121 }
122
123 static unsigned cobalt_get_sd_nr(struct v4l2_subdev *sd)
124 {
125 struct cobalt *cobalt = to_cobalt(sd->v4l2_dev);
126 unsigned i;
127
128 for (i = 0; i < COBALT_NUM_NODES; i++)
129 if (sd == cobalt->streams[i].sd)
130 return i;
131 cobalt_err("Invalid adv7604 subdev pointer!\n");
132 return 0;
133 }
134
135 static void cobalt_notify(struct v4l2_subdev *sd,
136 unsigned int notification, void *arg)
137 {
138 struct cobalt *cobalt = to_cobalt(sd->v4l2_dev);
139 unsigned sd_nr = cobalt_get_sd_nr(sd);
140 struct cobalt_stream *s = &cobalt->streams[sd_nr];
141 bool hotplug = arg ? *((int *)arg) : false;
142
143 if (s->is_output)
144 return;
145
146 switch (notification) {
147 case ADV76XX_HOTPLUG:
148 cobalt_s_bit_sysctrl(cobalt,
149 COBALT_SYS_CTRL_HPD_TO_CONNECTOR_BIT(sd_nr), hotplug);
150 cobalt_dbg(1, "Set hotplug for adv %d to %d\n", sd_nr, hotplug);
151 break;
152 case V4L2_DEVICE_NOTIFY_EVENT:
153 cobalt_dbg(1, "Format changed for adv %d\n", sd_nr);
154 v4l2_event_queue(&s->vdev, arg);
155 break;
156 default:
157 break;
158 }
159 }
160
161 static int get_payload_size(u16 code)
162 {
163 switch (code) {
164 case 0: return 128;
165 case 1: return 256;
166 case 2: return 512;
167 case 3: return 1024;
168 case 4: return 2048;
169 case 5: return 4096;
170 default: return 0;
171 }
172 return 0;
173 }
174
175 static const char *get_link_speed(u16 stat)
176 {
177 switch (stat & PCI_EXP_LNKSTA_CLS) {
178 case 1: return "2.5 Gbit/s";
179 case 2: return "5 Gbit/s";
180 case 3: return "10 Gbit/s";
181 }
182 return "Unknown speed";
183 }
184
185 void cobalt_pcie_status_show(struct cobalt *cobalt)
186 {
187 struct pci_dev *pci_dev = cobalt->pci_dev;
188 struct pci_dev *pci_bus_dev = cobalt->pci_dev->bus->self;
189 int offset;
190 int bus_offset;
191 u32 capa;
192 u16 stat, ctrl;
193
194 offset = pci_find_capability(pci_dev, PCI_CAP_ID_EXP);
195 bus_offset = pci_find_capability(pci_bus_dev, PCI_CAP_ID_EXP);
196 if (!offset || !bus_offset)
197 return;
198
199 /* Device */
200 pci_read_config_dword(pci_dev, offset + PCI_EXP_DEVCAP, &capa);
201 pci_read_config_word(pci_dev, offset + PCI_EXP_DEVCTL, &ctrl);
202 pci_read_config_word(pci_dev, offset + PCI_EXP_DEVSTA, &stat);
203 cobalt_info("PCIe device capability 0x%08x: Max payload %d\n",
204 capa, get_payload_size(capa & PCI_EXP_DEVCAP_PAYLOAD));
205 cobalt_info("PCIe device control 0x%04x: Max payload %d. Max read request %d\n",
206 ctrl,
207 get_payload_size((ctrl & PCI_EXP_DEVCTL_PAYLOAD) >> 5),
208 get_payload_size((ctrl & PCI_EXP_DEVCTL_READRQ) >> 12));
209 cobalt_info("PCIe device status 0x%04x\n", stat);
210
211 /* Link */
212 pci_read_config_dword(pci_dev, offset + PCI_EXP_LNKCAP, &capa);
213 pci_read_config_word(pci_dev, offset + PCI_EXP_LNKCTL, &ctrl);
214 pci_read_config_word(pci_dev, offset + PCI_EXP_LNKSTA, &stat);
215 cobalt_info("PCIe link capability 0x%08x: %s per lane and %u lanes\n",
216 capa, get_link_speed(capa),
217 (capa & PCI_EXP_LNKCAP_MLW) >> 4);
218 cobalt_info("PCIe link control 0x%04x\n", ctrl);
219 cobalt_info("PCIe link status 0x%04x: %s per lane and %u lanes\n",
220 stat, get_link_speed(stat),
221 (stat & PCI_EXP_LNKSTA_NLW) >> 4);
222
223 /* Bus */
224 pci_read_config_dword(pci_bus_dev, bus_offset + PCI_EXP_LNKCAP, &capa);
225 cobalt_info("PCIe bus link capability 0x%08x: %s per lane and %u lanes\n",
226 capa, get_link_speed(capa),
227 (capa & PCI_EXP_LNKCAP_MLW) >> 4);
228
229 /* Slot */
230 pci_read_config_dword(pci_dev, offset + PCI_EXP_SLTCAP, &capa);
231 pci_read_config_word(pci_dev, offset + PCI_EXP_SLTCTL, &ctrl);
232 pci_read_config_word(pci_dev, offset + PCI_EXP_SLTSTA, &stat);
233 cobalt_info("PCIe slot capability 0x%08x\n", capa);
234 cobalt_info("PCIe slot control 0x%04x\n", ctrl);
235 cobalt_info("PCIe slot status 0x%04x\n", stat);
236 }
237
238 static unsigned pcie_link_get_lanes(struct cobalt *cobalt)
239 {
240 struct pci_dev *pci_dev = cobalt->pci_dev;
241 unsigned offset;
242 u16 link;
243
244 offset = pci_find_capability(pci_dev, PCI_CAP_ID_EXP);
245 if (!offset)
246 return 0;
247 pci_read_config_word(pci_dev, offset + PCI_EXP_LNKSTA, &link);
248 return (link & PCI_EXP_LNKSTA_NLW) >> 4;
249 }
250
251 static unsigned pcie_bus_link_get_lanes(struct cobalt *cobalt)
252 {
253 struct pci_dev *pci_dev = cobalt->pci_dev->bus->self;
254 unsigned offset;
255 u32 link;
256
257 offset = pci_find_capability(pci_dev, PCI_CAP_ID_EXP);
258 if (!offset)
259 return 0;
260 pci_read_config_dword(pci_dev, offset + PCI_EXP_LNKCAP, &link);
261 return (link & PCI_EXP_LNKCAP_MLW) >> 4;
262 }
263
264 static void msi_config_show(struct cobalt *cobalt, struct pci_dev *pci_dev)
265 {
266 u16 ctrl, data;
267 u32 adrs_l, adrs_h;
268
269 pci_read_config_word(pci_dev, 0x52, &ctrl);
270 cobalt_info("MSI %s\n", ctrl & 1 ? "enable" : "disable");
271 cobalt_info("MSI multiple message: Capable %u. Enable %u\n",
272 (1 << ((ctrl >> 1) & 7)), (1 << ((ctrl >> 4) & 7)));
273 if (ctrl & 0x80)
274 cobalt_info("MSI: 64-bit address capable\n");
275 pci_read_config_dword(pci_dev, 0x54, &adrs_l);
276 pci_read_config_dword(pci_dev, 0x58, &adrs_h);
277 pci_read_config_word(pci_dev, 0x5c, &data);
278 if (ctrl & 0x80)
279 cobalt_info("MSI: Address 0x%08x%08x. Data 0x%04x\n",
280 adrs_h, adrs_l, data);
281 else
282 cobalt_info("MSI: Address 0x%08x. Data 0x%04x\n",
283 adrs_l, data);
284 }
285
286 static void cobalt_pci_iounmap(struct cobalt *cobalt, struct pci_dev *pci_dev)
287 {
288 if (cobalt->bar0) {
289 pci_iounmap(pci_dev, cobalt->bar0);
290 cobalt->bar0 = NULL;
291 }
292 if (cobalt->bar1) {
293 pci_iounmap(pci_dev, cobalt->bar1);
294 cobalt->bar1 = NULL;
295 }
296 }
297
298 static void cobalt_free_msi(struct cobalt *cobalt, struct pci_dev *pci_dev)
299 {
300 free_irq(pci_dev->irq, (void *)cobalt);
301 pci_free_irq_vectors(pci_dev);
302 }
303
304 static int cobalt_setup_pci(struct cobalt *cobalt, struct pci_dev *pci_dev,
305 const struct pci_device_id *pci_id)
306 {
307 u32 ctrl;
308 int ret;
309
310 cobalt_dbg(1, "enabling pci device\n");
311
312 ret = pci_enable_device(pci_dev);
313 if (ret) {
314 cobalt_err("can't enable device\n");
315 return ret;
316 }
317 pci_set_master(pci_dev);
318 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &cobalt->card_rev);
319 pci_read_config_word(pci_dev, PCI_DEVICE_ID, &cobalt->device_id);
320
321 switch (cobalt->device_id) {
322 case PCI_DEVICE_ID_COBALT:
323 cobalt_info("PCI Express interface from Omnitek\n");
324 break;
325 default:
326 cobalt_info("PCI Express interface provider is unknown!\n");
327 break;
328 }
329
330 if (pcie_link_get_lanes(cobalt) != 8) {
331 cobalt_warn("PCI Express link width is %d lanes.\n",
332 pcie_link_get_lanes(cobalt));
333 if (pcie_bus_link_get_lanes(cobalt) < 8)
334 cobalt_warn("The current slot only supports %d lanes, for best performance 8 are needed\n",
335 pcie_bus_link_get_lanes(cobalt));
336 if (pcie_link_get_lanes(cobalt) != pcie_bus_link_get_lanes(cobalt)) {
337 cobalt_err("The card is most likely not seated correctly in the PCIe slot\n");
338 ret = -EIO;
339 goto err_disable;
340 }
341 }
342
343 if (pci_set_dma_mask(pci_dev, DMA_BIT_MASK(64))) {
344 ret = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
345 if (ret) {
346 cobalt_err("no suitable DMA available\n");
347 goto err_disable;
348 }
349 }
350
351 ret = pci_request_regions(pci_dev, "cobalt");
352 if (ret) {
353 cobalt_err("error requesting regions\n");
354 goto err_disable;
355 }
356
357 cobalt_pcie_status_show(cobalt);
358
359 cobalt->bar0 = pci_iomap(pci_dev, 0, 0);
360 cobalt->bar1 = pci_iomap(pci_dev, 1, 0);
361 if (cobalt->bar1 == NULL) {
362 cobalt->bar1 = pci_iomap(pci_dev, 2, 0);
363 cobalt_info("64-bit BAR\n");
364 }
365 if (!cobalt->bar0 || !cobalt->bar1) {
366 ret = -EIO;
367 goto err_release;
368 }
369
370 /* Reset the video inputs before enabling any interrupts */
371 ctrl = cobalt_read_bar1(cobalt, COBALT_SYS_CTRL_BASE);
372 cobalt_write_bar1(cobalt, COBALT_SYS_CTRL_BASE, ctrl & ~0xf00);
373
374 /* Disable interrupts to prevent any spurious interrupts
375 from being generated. */
376 cobalt_set_interrupt(cobalt, false);
377
378 if (pci_alloc_irq_vectors(pci_dev, 1, 1, PCI_IRQ_MSI) < 1) {
379 cobalt_err("Could not enable MSI\n");
380 ret = -EIO;
381 goto err_release;
382 }
383 msi_config_show(cobalt, pci_dev);
384
385 /* Register IRQ */
386 if (request_irq(pci_dev->irq, cobalt_irq_handler, IRQF_SHARED,
387 cobalt->v4l2_dev.name, (void *)cobalt)) {
388 cobalt_err("Failed to register irq %d\n", pci_dev->irq);
389 ret = -EIO;
390 goto err_msi;
391 }
392
393 omni_sg_dma_init(cobalt);
394 return 0;
395
396 err_msi:
397 pci_disable_msi(pci_dev);
398
399 err_release:
400 cobalt_pci_iounmap(cobalt, pci_dev);
401 pci_release_regions(pci_dev);
402
403 err_disable:
404 pci_disable_device(cobalt->pci_dev);
405 return ret;
406 }
407
408 static int cobalt_hdl_info_get(struct cobalt *cobalt)
409 {
410 int i;
411
412 for (i = 0; i < COBALT_HDL_INFO_SIZE; i++)
413 cobalt->hdl_info[i] =
414 ioread8(cobalt->bar1 + COBALT_HDL_INFO_BASE + i);
415 cobalt->hdl_info[COBALT_HDL_INFO_SIZE - 1] = '\0';
416 if (strstr(cobalt->hdl_info, COBALT_HDL_SEARCH_STR))
417 return 0;
418
419 return 1;
420 }
421
422 static void cobalt_stream_struct_init(struct cobalt *cobalt)
423 {
424 int i;
425
426 for (i = 0; i < COBALT_NUM_STREAMS; i++) {
427 struct cobalt_stream *s = &cobalt->streams[i];
428
429 s->cobalt = cobalt;
430 s->flags = 0;
431 s->is_audio = false;
432 s->is_output = false;
433 s->is_dummy = true;
434
435 /* The Memory DMA channels will always get a lower channel
436 * number than the FIFO DMA. Video input should map to the
437 * stream 0-3. The other can use stream struct from 4 and
438 * higher */
439 if (i <= COBALT_HSMA_IN_NODE) {
440 s->dma_channel = i + cobalt->first_fifo_channel;
441 s->video_channel = i;
442 s->dma_fifo_mask =
443 COBALT_SYSSTAT_VI0_LOST_DATA_MSK << (4 * i);
444 s->adv_irq_mask =
445 COBALT_SYSSTAT_VI0_INT1_MSK << (4 * i);
446 } else if (i >= COBALT_AUDIO_IN_STREAM &&
447 i <= COBALT_AUDIO_IN_STREAM + 4) {
448 unsigned idx = i - COBALT_AUDIO_IN_STREAM;
449
450 s->dma_channel = 6 + idx;
451 s->is_audio = true;
452 s->video_channel = idx;
453 s->dma_fifo_mask = COBALT_SYSSTAT_AUD_IN_LOST_DATA_MSK;
454 } else if (i == COBALT_HSMA_OUT_NODE) {
455 s->dma_channel = 11;
456 s->is_output = true;
457 s->video_channel = 5;
458 s->dma_fifo_mask = COBALT_SYSSTAT_VOHSMA_LOST_DATA_MSK;
459 s->adv_irq_mask = COBALT_SYSSTAT_VOHSMA_INT1_MSK;
460 } else if (i == COBALT_AUDIO_OUT_STREAM) {
461 s->dma_channel = 12;
462 s->is_audio = true;
463 s->is_output = true;
464 s->video_channel = 5;
465 s->dma_fifo_mask = COBALT_SYSSTAT_AUD_OUT_LOST_DATA_MSK;
466 } else {
467 /* FIXME: Memory DMA for debug purpose */
468 s->dma_channel = i - COBALT_NUM_NODES;
469 }
470 cobalt_info("stream #%d -> dma channel #%d <- video channel %d\n",
471 i, s->dma_channel, s->video_channel);
472 }
473 }
474
475 static int cobalt_subdevs_init(struct cobalt *cobalt)
476 {
477 static struct adv76xx_platform_data adv7604_pdata = {
478 .disable_pwrdnb = 1,
479 .ain_sel = ADV7604_AIN7_8_9_NC_SYNC_3_1,
480 .bus_order = ADV7604_BUS_ORDER_BRG,
481 .blank_data = 1,
482 .op_format_mode_sel = ADV7604_OP_FORMAT_MODE0,
483 .int1_config = ADV76XX_INT1_CONFIG_ACTIVE_HIGH,
484 .dr_str_data = ADV76XX_DR_STR_HIGH,
485 .dr_str_clk = ADV76XX_DR_STR_HIGH,
486 .dr_str_sync = ADV76XX_DR_STR_HIGH,
487 .hdmi_free_run_mode = 1,
488 .inv_vs_pol = 1,
489 .inv_hs_pol = 1,
490 };
491 static struct i2c_board_info adv7604_info = {
492 .type = "adv7604",
493 .addr = 0x20,
494 .platform_data = &adv7604_pdata,
495 };
496
497 struct cobalt_stream *s = cobalt->streams;
498 int i;
499
500 for (i = 0; i < COBALT_NUM_INPUTS; i++) {
501 struct v4l2_subdev_format sd_fmt = {
502 .pad = ADV7604_PAD_SOURCE,
503 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
504 .format.code = MEDIA_BUS_FMT_YUYV8_1X16,
505 };
506 struct v4l2_subdev_edid cobalt_edid = {
507 .pad = ADV76XX_PAD_HDMI_PORT_A,
508 .start_block = 0,
509 .blocks = 2,
510 .edid = edid,
511 };
512 int err;
513
514 s[i].pad_source = ADV7604_PAD_SOURCE;
515 s[i].i2c_adap = &cobalt->i2c_adap[i];
516 if (s[i].i2c_adap->dev.parent == NULL)
517 continue;
518 cobalt_s_bit_sysctrl(cobalt,
519 COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(i), 1);
520 s[i].sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev,
521 s[i].i2c_adap, &adv7604_info, NULL);
522 if (!s[i].sd) {
523 if (cobalt_ignore_err)
524 continue;
525 return -ENODEV;
526 }
527 err = v4l2_subdev_call(s[i].sd, video, s_routing,
528 ADV76XX_PAD_HDMI_PORT_A, 0, 0);
529 if (err)
530 return err;
531 err = v4l2_subdev_call(s[i].sd, pad, set_edid,
532 &cobalt_edid);
533 if (err)
534 return err;
535 err = v4l2_subdev_call(s[i].sd, pad, set_fmt, NULL,
536 &sd_fmt);
537 if (err)
538 return err;
539 /* Reset channel video module */
540 cobalt_s_bit_sysctrl(cobalt,
541 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(i), 0);
542 mdelay(2);
543 cobalt_s_bit_sysctrl(cobalt,
544 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(i), 1);
545 mdelay(1);
546 s[i].is_dummy = false;
547 cobalt->streams[i + COBALT_AUDIO_IN_STREAM].is_dummy = false;
548 }
549 return 0;
550 }
551
552 static int cobalt_subdevs_hsma_init(struct cobalt *cobalt)
553 {
554 static struct adv7842_platform_data adv7842_pdata = {
555 .disable_pwrdnb = 1,
556 .ain_sel = ADV7842_AIN1_2_3_NC_SYNC_1_2,
557 .bus_order = ADV7842_BUS_ORDER_RBG,
558 .op_format_mode_sel = ADV7842_OP_FORMAT_MODE0,
559 .blank_data = 1,
560 .dr_str_data = 3,
561 .dr_str_clk = 3,
562 .dr_str_sync = 3,
563 .mode = ADV7842_MODE_HDMI,
564 .hdmi_free_run_enable = 1,
565 .vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P,
566 .i2c_sdp_io = 0x4a,
567 .i2c_sdp = 0x48,
568 .i2c_cp = 0x22,
569 .i2c_vdp = 0x24,
570 .i2c_afe = 0x26,
571 .i2c_hdmi = 0x34,
572 .i2c_repeater = 0x32,
573 .i2c_edid = 0x36,
574 .i2c_infoframe = 0x3e,
575 .i2c_cec = 0x40,
576 .i2c_avlink = 0x42,
577 };
578 static struct i2c_board_info adv7842_info = {
579 .type = "adv7842",
580 .addr = 0x20,
581 .platform_data = &adv7842_pdata,
582 };
583 static struct v4l2_subdev_format sd_fmt = {
584 .pad = ADV7842_PAD_SOURCE,
585 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
586 .format.code = MEDIA_BUS_FMT_YUYV8_1X16,
587 };
588 static struct adv7511_platform_data adv7511_pdata = {
589 .i2c_edid = 0x7e >> 1,
590 .i2c_cec = 0x7c >> 1,
591 .i2c_pktmem = 0x70 >> 1,
592 .cec_clk = 12000000,
593 };
594 static struct i2c_board_info adv7511_info = {
595 .type = "adv7511",
596 .addr = 0x39, /* 0x39 or 0x3d */
597 .platform_data = &adv7511_pdata,
598 };
599 struct v4l2_subdev_edid cobalt_edid = {
600 .pad = ADV7842_EDID_PORT_A,
601 .start_block = 0,
602 .blocks = 2,
603 .edid = edid,
604 };
605 struct cobalt_stream *s = &cobalt->streams[COBALT_HSMA_IN_NODE];
606
607 s->i2c_adap = &cobalt->i2c_adap[COBALT_NUM_ADAPTERS - 1];
608 if (s->i2c_adap->dev.parent == NULL)
609 return 0;
610 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(4), 1);
611
612 s->sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev,
613 s->i2c_adap, &adv7842_info, NULL);
614 if (s->sd) {
615 int err = v4l2_subdev_call(s->sd, pad, set_edid, &cobalt_edid);
616
617 if (err)
618 return err;
619 err = v4l2_subdev_call(s->sd, pad, set_fmt, NULL,
620 &sd_fmt);
621 if (err)
622 return err;
623 cobalt->have_hsma_rx = true;
624 s->pad_source = ADV7842_PAD_SOURCE;
625 s->is_dummy = false;
626 cobalt->streams[4 + COBALT_AUDIO_IN_STREAM].is_dummy = false;
627 /* Reset channel video module */
628 cobalt_s_bit_sysctrl(cobalt,
629 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 0);
630 mdelay(2);
631 cobalt_s_bit_sysctrl(cobalt,
632 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 1);
633 mdelay(1);
634 return err;
635 }
636 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(4), 0);
637 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_PWRDN0_TO_HSMA_TX_BIT, 0);
638 s++;
639 s->i2c_adap = &cobalt->i2c_adap[COBALT_NUM_ADAPTERS - 1];
640 s->sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev,
641 s->i2c_adap, &adv7511_info, NULL);
642 if (s->sd) {
643 /* A transmitter is hooked up, so we can set this bit */
644 cobalt_s_bit_sysctrl(cobalt,
645 COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 1);
646 cobalt_s_bit_sysctrl(cobalt,
647 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 0);
648 cobalt_s_bit_sysctrl(cobalt,
649 COBALT_SYS_CTRL_VIDEO_TX_RESETN_BIT, 1);
650 cobalt->have_hsma_tx = true;
651 v4l2_subdev_call(s->sd, core, s_power, 1);
652 v4l2_subdev_call(s->sd, video, s_stream, 1);
653 v4l2_subdev_call(s->sd, audio, s_stream, 1);
654 v4l2_ctrl_s_ctrl(v4l2_ctrl_find(s->sd->ctrl_handler,
655 V4L2_CID_DV_TX_MODE), V4L2_DV_TX_MODE_HDMI);
656 s->is_dummy = false;
657 cobalt->streams[COBALT_AUDIO_OUT_STREAM].is_dummy = false;
658 return 0;
659 }
660 return -ENODEV;
661 }
662
663 static int cobalt_probe(struct pci_dev *pci_dev,
664 const struct pci_device_id *pci_id)
665 {
666 struct cobalt *cobalt;
667 int retval = 0;
668 int i;
669
670 /* FIXME - module parameter arrays constrain max instances */
671 i = atomic_inc_return(&cobalt_instance) - 1;
672
673 cobalt = kzalloc(sizeof(struct cobalt), GFP_KERNEL);
674 if (cobalt == NULL)
675 return -ENOMEM;
676 cobalt->pci_dev = pci_dev;
677 cobalt->instance = i;
678
679 retval = v4l2_device_register(&pci_dev->dev, &cobalt->v4l2_dev);
680 if (retval) {
681 pr_err("cobalt: v4l2_device_register of card %d failed\n",
682 cobalt->instance);
683 kfree(cobalt);
684 return retval;
685 }
686 snprintf(cobalt->v4l2_dev.name, sizeof(cobalt->v4l2_dev.name),
687 "cobalt-%d", cobalt->instance);
688 cobalt->v4l2_dev.notify = cobalt_notify;
689 cobalt_info("Initializing card %d\n", cobalt->instance);
690
691 cobalt->irq_work_queues =
692 create_singlethread_workqueue(cobalt->v4l2_dev.name);
693 if (cobalt->irq_work_queues == NULL) {
694 cobalt_err("Could not create workqueue\n");
695 retval = -ENOMEM;
696 goto err;
697 }
698
699 INIT_WORK(&cobalt->irq_work_queue, cobalt_irq_work_handler);
700
701 /* PCI Device Setup */
702 retval = cobalt_setup_pci(cobalt, pci_dev, pci_id);
703 if (retval != 0)
704 goto err_wq;
705
706 /* Show HDL version info */
707 if (cobalt_hdl_info_get(cobalt))
708 cobalt_info("Not able to read the HDL info\n");
709 else
710 cobalt_info("%s", cobalt->hdl_info);
711
712 retval = cobalt_i2c_init(cobalt);
713 if (retval)
714 goto err_pci;
715
716 cobalt_stream_struct_init(cobalt);
717
718 retval = cobalt_subdevs_init(cobalt);
719 if (retval)
720 goto err_i2c;
721
722 if (!(cobalt_read_bar1(cobalt, COBALT_SYS_STAT_BASE) &
723 COBALT_SYSSTAT_HSMA_PRSNTN_MSK)) {
724 retval = cobalt_subdevs_hsma_init(cobalt);
725 if (retval)
726 goto err_i2c;
727 }
728
729 retval = cobalt_nodes_register(cobalt);
730 if (retval) {
731 cobalt_err("Error %d registering device nodes\n", retval);
732 goto err_i2c;
733 }
734 cobalt_set_interrupt(cobalt, true);
735 v4l2_device_call_all(&cobalt->v4l2_dev, 0, core,
736 interrupt_service_routine, 0, NULL);
737
738 cobalt_info("Initialized cobalt card\n");
739
740 cobalt_flash_probe(cobalt);
741
742 return 0;
743
744 err_i2c:
745 cobalt_i2c_exit(cobalt);
746 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 0);
747 err_pci:
748 cobalt_free_msi(cobalt, pci_dev);
749 cobalt_pci_iounmap(cobalt, pci_dev);
750 pci_release_regions(cobalt->pci_dev);
751 pci_disable_device(cobalt->pci_dev);
752 err_wq:
753 destroy_workqueue(cobalt->irq_work_queues);
754 err:
755 cobalt_err("error %d on initialization\n", retval);
756
757 v4l2_device_unregister(&cobalt->v4l2_dev);
758 kfree(cobalt);
759 return retval;
760 }
761
762 static void cobalt_remove(struct pci_dev *pci_dev)
763 {
764 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
765 struct cobalt *cobalt = to_cobalt(v4l2_dev);
766 int i;
767
768 cobalt_flash_remove(cobalt);
769 cobalt_set_interrupt(cobalt, false);
770 flush_workqueue(cobalt->irq_work_queues);
771 cobalt_nodes_unregister(cobalt);
772 for (i = 0; i < COBALT_NUM_ADAPTERS; i++) {
773 struct v4l2_subdev *sd = cobalt->streams[i].sd;
774 struct i2c_client *client;
775
776 if (sd == NULL)
777 continue;
778 client = v4l2_get_subdevdata(sd);
779 v4l2_device_unregister_subdev(sd);
780 i2c_unregister_device(client);
781 }
782 cobalt_i2c_exit(cobalt);
783 cobalt_free_msi(cobalt, pci_dev);
784 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 0);
785 cobalt_pci_iounmap(cobalt, pci_dev);
786 pci_release_regions(cobalt->pci_dev);
787 pci_disable_device(cobalt->pci_dev);
788 destroy_workqueue(cobalt->irq_work_queues);
789
790 cobalt_info("removed cobalt card\n");
791
792 v4l2_device_unregister(v4l2_dev);
793 kfree(cobalt);
794 }
795
796 /* define a pci_driver for card detection */
797 static struct pci_driver cobalt_pci_driver = {
798 .name = "cobalt",
799 .id_table = cobalt_pci_tbl,
800 .probe = cobalt_probe,
801 .remove = cobalt_remove,
802 };
803
804 module_pci_driver(cobalt_pci_driver);
Linux with added FPC-III support