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/bitfield.h> 12#include <linux/delay.h> 13#include <media/i2c/adv7604.h> 14#include <media/i2c/adv7842.h> 15#include <media/i2c/adv7511.h> 16#include <media/v4l2-event.h> 17#include <media/v4l2-ctrls.h> 18 19#include "cobalt-driver.h" 20#include "cobalt-irq.h" 21#include "cobalt-i2c.h" 22#include "cobalt-v4l2.h" 23#include "cobalt-flash.h" 24#include "cobalt-alsa.h" 25#include "cobalt-omnitek.h" 26 27/* add your revision and whatnot here */ 28static const struct pci_device_id cobalt_pci_tbl[] = { 29 {PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_COBALT, 30 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 31 {0,} 32}; 33 34MODULE_DEVICE_TABLE(pci, cobalt_pci_tbl); 35 36static atomic_t cobalt_instance = ATOMIC_INIT(0); 37 38int cobalt_debug; 39module_param_named(debug, cobalt_debug, int, 0644); 40MODULE_PARM_DESC(debug, "Debug level. Default: 0\n"); 41 42int cobalt_ignore_err; 43module_param_named(ignore_err, cobalt_ignore_err, int, 0644); 44MODULE_PARM_DESC(ignore_err, 45 "If set then ignore missing i2c adapters/receivers. Default: 0\n"); 46 47MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com> & Morten Hestnes"); 48MODULE_DESCRIPTION("cobalt driver"); 49MODULE_LICENSE("GPL"); 50 51static u8 edid[256] = { 52 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 53 0x50, 0x21, 0x32, 0x27, 0x00, 0x00, 0x00, 0x00, 54 0x22, 0x1a, 0x01, 0x03, 0x80, 0x30, 0x1b, 0x78, 55 0x0f, 0xee, 0x91, 0xa3, 0x54, 0x4c, 0x99, 0x26, 56 0x0f, 0x50, 0x54, 0x2f, 0xcf, 0x00, 0x31, 0x59, 57 0x45, 0x59, 0x61, 0x59, 0x81, 0x99, 0x01, 0x01, 58 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x3a, 59 0x80, 0x18, 0x71, 0x38, 0x2d, 0x40, 0x58, 0x2c, 60 0x45, 0x00, 0xe0, 0x0e, 0x11, 0x00, 0x00, 0x1e, 61 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x55, 0x18, 62 0x5e, 0x11, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 63 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x63, 64 0x6f, 0x62, 0x61, 0x6c, 0x74, 0x0a, 0x20, 0x20, 65 0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0x10, 66 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 67 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x9d, 68 69 0x02, 0x03, 0x1f, 0xf1, 0x4a, 0x10, 0x1f, 0x04, 70 0x13, 0x22, 0x21, 0x20, 0x02, 0x11, 0x01, 0x23, 71 0x09, 0x07, 0x07, 0x68, 0x03, 0x0c, 0x00, 0x10, 72 0x00, 0x00, 0x22, 0x0f, 0xe2, 0x00, 0xca, 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, 0x00, 84 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46, 85}; 86 87static void cobalt_set_interrupt(struct cobalt *cobalt, bool enable) 88{ 89 if (enable) { 90 unsigned irqs = COBALT_SYSSTAT_VI0_INT1_MSK | 91 COBALT_SYSSTAT_VI1_INT1_MSK | 92 COBALT_SYSSTAT_VI2_INT1_MSK | 93 COBALT_SYSSTAT_VI3_INT1_MSK | 94 COBALT_SYSSTAT_VI0_INT2_MSK | 95 COBALT_SYSSTAT_VI1_INT2_MSK | 96 COBALT_SYSSTAT_VI2_INT2_MSK | 97 COBALT_SYSSTAT_VI3_INT2_MSK | 98 COBALT_SYSSTAT_VI0_LOST_DATA_MSK | 99 COBALT_SYSSTAT_VI1_LOST_DATA_MSK | 100 COBALT_SYSSTAT_VI2_LOST_DATA_MSK | 101 COBALT_SYSSTAT_VI3_LOST_DATA_MSK | 102 COBALT_SYSSTAT_AUD_IN_LOST_DATA_MSK; 103 104 if (cobalt->have_hsma_rx) 105 irqs |= COBALT_SYSSTAT_VIHSMA_INT1_MSK | 106 COBALT_SYSSTAT_VIHSMA_INT2_MSK | 107 COBALT_SYSSTAT_VIHSMA_LOST_DATA_MSK; 108 109 if (cobalt->have_hsma_tx) 110 irqs |= COBALT_SYSSTAT_VOHSMA_INT1_MSK | 111 COBALT_SYSSTAT_VOHSMA_LOST_DATA_MSK | 112 COBALT_SYSSTAT_AUD_OUT_LOST_DATA_MSK; 113 /* Clear any existing interrupts */ 114 cobalt_write_bar1(cobalt, COBALT_SYS_STAT_EDGE, 0xffffffff); 115 /* PIO Core interrupt mask register. 116 Enable ADV7604 INT1 interrupts */ 117 cobalt_write_bar1(cobalt, COBALT_SYS_STAT_MASK, irqs); 118 } else { 119 /* Disable all ADV7604 interrupts */ 120 cobalt_write_bar1(cobalt, COBALT_SYS_STAT_MASK, 0); 121 } 122} 123 124static unsigned cobalt_get_sd_nr(struct v4l2_subdev *sd) 125{ 126 struct cobalt *cobalt = to_cobalt(sd->v4l2_dev); 127 unsigned i; 128 129 for (i = 0; i < COBALT_NUM_NODES; i++) 130 if (sd == cobalt->streams[i].sd) 131 return i; 132 cobalt_err("Invalid adv7604 subdev pointer!\n"); 133 return 0; 134} 135 136static void cobalt_notify(struct v4l2_subdev *sd, 137 unsigned int notification, void *arg) 138{ 139 struct cobalt *cobalt = to_cobalt(sd->v4l2_dev); 140 unsigned sd_nr = cobalt_get_sd_nr(sd); 141 struct cobalt_stream *s = &cobalt->streams[sd_nr]; 142 bool hotplug = arg ? *((int *)arg) : false; 143 144 if (s->is_output) 145 return; 146 147 switch (notification) { 148 case ADV76XX_HOTPLUG: 149 cobalt_s_bit_sysctrl(cobalt, 150 COBALT_SYS_CTRL_HPD_TO_CONNECTOR_BIT(sd_nr), hotplug); 151 cobalt_dbg(1, "Set hotplug for adv %d to %d\n", sd_nr, hotplug); 152 break; 153 case V4L2_DEVICE_NOTIFY_EVENT: 154 cobalt_dbg(1, "Format changed for adv %d\n", sd_nr); 155 v4l2_event_queue(&s->vdev, arg); 156 break; 157 default: 158 break; 159 } 160} 161 162static int get_payload_size(u16 code) 163{ 164 switch (code) { 165 case 0: return 128; 166 case 1: return 256; 167 case 2: return 512; 168 case 3: return 1024; 169 case 4: return 2048; 170 case 5: return 4096; 171 default: return 0; 172 } 173 return 0; 174} 175 176static const char *get_link_speed(u16 stat) 177{ 178 switch (stat & PCI_EXP_LNKSTA_CLS) { 179 case 1: return "2.5 Gbit/s"; 180 case 2: return "5 Gbit/s"; 181 case 3: return "10 Gbit/s"; 182 } 183 return "Unknown speed"; 184} 185 186void cobalt_pcie_status_show(struct cobalt *cobalt) 187{ 188 struct pci_dev *pci_dev = cobalt->pci_dev; 189 struct pci_dev *pci_bus_dev = cobalt->pci_dev->bus->self; 190 u32 capa; 191 u16 stat, ctrl; 192 193 if (!pci_is_pcie(pci_dev) || !pci_is_pcie(pci_bus_dev)) 194 return; 195 196 /* Device */ 197 pcie_capability_read_dword(pci_dev, PCI_EXP_DEVCAP, &capa); 198 pcie_capability_read_word(pci_dev, PCI_EXP_DEVCTL, &ctrl); 199 pcie_capability_read_word(pci_dev, PCI_EXP_DEVSTA, &stat); 200 cobalt_info("PCIe device capability 0x%08x: Max payload %d\n", 201 capa, get_payload_size(capa & PCI_EXP_DEVCAP_PAYLOAD)); 202 cobalt_info("PCIe device control 0x%04x: Max payload %d. Max read request %d\n", 203 ctrl, 204 get_payload_size((ctrl & PCI_EXP_DEVCTL_PAYLOAD) >> 5), 205 get_payload_size((ctrl & PCI_EXP_DEVCTL_READRQ) >> 12)); 206 cobalt_info("PCIe device status 0x%04x\n", stat); 207 208 /* Link */ 209 pcie_capability_read_dword(pci_dev, PCI_EXP_LNKCAP, &capa); 210 pcie_capability_read_word(pci_dev, PCI_EXP_LNKCTL, &ctrl); 211 pcie_capability_read_word(pci_dev, PCI_EXP_LNKSTA, &stat); 212 cobalt_info("PCIe link capability 0x%08x: %s per lane and %u lanes\n", 213 capa, get_link_speed(capa), 214 FIELD_GET(PCI_EXP_LNKCAP_MLW, capa)); 215 cobalt_info("PCIe link control 0x%04x\n", ctrl); 216 cobalt_info("PCIe link status 0x%04x: %s per lane and %u lanes\n", 217 stat, get_link_speed(stat), 218 FIELD_GET(PCI_EXP_LNKSTA_NLW, stat)); 219 220 /* Bus */ 221 pcie_capability_read_dword(pci_bus_dev, PCI_EXP_LNKCAP, &capa); 222 cobalt_info("PCIe bus link capability 0x%08x: %s per lane and %u lanes\n", 223 capa, get_link_speed(capa), 224 FIELD_GET(PCI_EXP_LNKCAP_MLW, capa)); 225 226 /* Slot */ 227 pcie_capability_read_dword(pci_dev, PCI_EXP_SLTCAP, &capa); 228 pcie_capability_read_word(pci_dev, PCI_EXP_SLTCTL, &ctrl); 229 pcie_capability_read_word(pci_dev, PCI_EXP_SLTSTA, &stat); 230 cobalt_info("PCIe slot capability 0x%08x\n", capa); 231 cobalt_info("PCIe slot control 0x%04x\n", ctrl); 232 cobalt_info("PCIe slot status 0x%04x\n", stat); 233} 234 235static unsigned pcie_link_get_lanes(struct cobalt *cobalt) 236{ 237 struct pci_dev *pci_dev = cobalt->pci_dev; 238 u16 link; 239 240 if (!pci_is_pcie(pci_dev)) 241 return 0; 242 pcie_capability_read_word(pci_dev, PCI_EXP_LNKSTA, &link); 243 return FIELD_GET(PCI_EXP_LNKSTA_NLW, link); 244} 245 246static unsigned pcie_bus_link_get_lanes(struct cobalt *cobalt) 247{ 248 struct pci_dev *pci_dev = cobalt->pci_dev->bus->self; 249 u32 link; 250 251 if (!pci_is_pcie(pci_dev)) 252 return 0; 253 pcie_capability_read_dword(pci_dev, PCI_EXP_LNKCAP, &link); 254 return FIELD_GET(PCI_EXP_LNKCAP_MLW, link); 255} 256 257static void msi_config_show(struct cobalt *cobalt, struct pci_dev *pci_dev) 258{ 259 u16 ctrl, data; 260 u32 adrs_l, adrs_h; 261 262 pci_read_config_word(pci_dev, 0x52, &ctrl); 263 cobalt_info("MSI %s\n", ctrl & 1 ? "enable" : "disable"); 264 cobalt_info("MSI multiple message: Capable %u. Enable %u\n", 265 (1 << ((ctrl >> 1) & 7)), (1 << ((ctrl >> 4) & 7))); 266 if (ctrl & 0x80) 267 cobalt_info("MSI: 64-bit address capable\n"); 268 pci_read_config_dword(pci_dev, 0x54, &adrs_l); 269 pci_read_config_dword(pci_dev, 0x58, &adrs_h); 270 pci_read_config_word(pci_dev, 0x5c, &data); 271 if (ctrl & 0x80) 272 cobalt_info("MSI: Address 0x%08x%08x. Data 0x%04x\n", 273 adrs_h, adrs_l, data); 274 else 275 cobalt_info("MSI: Address 0x%08x. Data 0x%04x\n", 276 adrs_l, data); 277} 278 279static void cobalt_pci_iounmap(struct cobalt *cobalt, struct pci_dev *pci_dev) 280{ 281 if (cobalt->bar0) { 282 pci_iounmap(pci_dev, cobalt->bar0); 283 cobalt->bar0 = NULL; 284 } 285 if (cobalt->bar1) { 286 pci_iounmap(pci_dev, cobalt->bar1); 287 cobalt->bar1 = NULL; 288 } 289} 290 291static void cobalt_free_msi(struct cobalt *cobalt, struct pci_dev *pci_dev) 292{ 293 free_irq(pci_dev->irq, (void *)cobalt); 294 pci_free_irq_vectors(pci_dev); 295} 296 297static int cobalt_setup_pci(struct cobalt *cobalt, struct pci_dev *pci_dev, 298 const struct pci_device_id *pci_id) 299{ 300 u32 ctrl; 301 int ret; 302 303 cobalt_dbg(1, "enabling pci device\n"); 304 305 ret = pci_enable_device(pci_dev); 306 if (ret) { 307 cobalt_err("can't enable device\n"); 308 return ret; 309 } 310 pci_set_master(pci_dev); 311 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &cobalt->card_rev); 312 pci_read_config_word(pci_dev, PCI_DEVICE_ID, &cobalt->device_id); 313 314 switch (cobalt->device_id) { 315 case PCI_DEVICE_ID_COBALT: 316 cobalt_info("PCI Express interface from Omnitek\n"); 317 break; 318 default: 319 cobalt_info("PCI Express interface provider is unknown!\n"); 320 break; 321 } 322 323 if (pcie_link_get_lanes(cobalt) != 8) { 324 cobalt_warn("PCI Express link width is %d lanes.\n", 325 pcie_link_get_lanes(cobalt)); 326 if (pcie_bus_link_get_lanes(cobalt) < 8) 327 cobalt_warn("The current slot only supports %d lanes, for best performance 8 are needed\n", 328 pcie_bus_link_get_lanes(cobalt)); 329 if (pcie_link_get_lanes(cobalt) != pcie_bus_link_get_lanes(cobalt)) { 330 cobalt_err("The card is most likely not seated correctly in the PCIe slot\n"); 331 ret = -EIO; 332 goto err_disable; 333 } 334 } 335 336 if (dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(64))) { 337 ret = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32)); 338 if (ret) { 339 cobalt_err("no suitable DMA available\n"); 340 goto err_disable; 341 } 342 } 343 344 ret = pci_request_regions(pci_dev, "cobalt"); 345 if (ret) { 346 cobalt_err("error requesting regions\n"); 347 goto err_disable; 348 } 349 350 cobalt_pcie_status_show(cobalt); 351 352 cobalt->bar0 = pci_iomap(pci_dev, 0, 0); 353 cobalt->bar1 = pci_iomap(pci_dev, 1, 0); 354 if (cobalt->bar1 == NULL) { 355 cobalt->bar1 = pci_iomap(pci_dev, 2, 0); 356 cobalt_info("64-bit BAR\n"); 357 } 358 if (!cobalt->bar0 || !cobalt->bar1) { 359 ret = -EIO; 360 goto err_release; 361 } 362 363 /* Reset the video inputs before enabling any interrupts */ 364 ctrl = cobalt_read_bar1(cobalt, COBALT_SYS_CTRL_BASE); 365 cobalt_write_bar1(cobalt, COBALT_SYS_CTRL_BASE, ctrl & ~0xf00); 366 367 /* Disable interrupts to prevent any spurious interrupts 368 from being generated. */ 369 cobalt_set_interrupt(cobalt, false); 370 371 if (pci_alloc_irq_vectors(pci_dev, 1, 1, PCI_IRQ_MSI) < 1) { 372 cobalt_err("Could not enable MSI\n"); 373 ret = -EIO; 374 goto err_release; 375 } 376 msi_config_show(cobalt, pci_dev); 377 378 /* Register IRQ */ 379 if (request_irq(pci_dev->irq, cobalt_irq_handler, IRQF_SHARED, 380 cobalt->v4l2_dev.name, (void *)cobalt)) { 381 cobalt_err("Failed to register irq %d\n", pci_dev->irq); 382 ret = -EIO; 383 goto err_msi; 384 } 385 386 omni_sg_dma_init(cobalt); 387 return 0; 388 389err_msi: 390 pci_disable_msi(pci_dev); 391 392err_release: 393 cobalt_pci_iounmap(cobalt, pci_dev); 394 pci_release_regions(pci_dev); 395 396err_disable: 397 pci_disable_device(cobalt->pci_dev); 398 return ret; 399} 400 401static int cobalt_hdl_info_get(struct cobalt *cobalt) 402{ 403 int i; 404 405 for (i = 0; i < COBALT_HDL_INFO_SIZE; i++) 406 cobalt->hdl_info[i] = 407 ioread8(cobalt->bar1 + COBALT_HDL_INFO_BASE + i); 408 cobalt->hdl_info[COBALT_HDL_INFO_SIZE - 1] = '\0'; 409 if (strstr(cobalt->hdl_info, COBALT_HDL_SEARCH_STR)) 410 return 0; 411 412 return 1; 413} 414 415static void cobalt_stream_struct_init(struct cobalt *cobalt) 416{ 417 int i; 418 419 for (i = 0; i < COBALT_NUM_STREAMS; i++) { 420 struct cobalt_stream *s = &cobalt->streams[i]; 421 422 s->cobalt = cobalt; 423 s->flags = 0; 424 s->is_audio = false; 425 s->is_output = false; 426 s->is_dummy = true; 427 428 /* The Memory DMA channels will always get a lower channel 429 * number than the FIFO DMA. Video input should map to the 430 * stream 0-3. The other can use stream struct from 4 and 431 * higher */ 432 if (i <= COBALT_HSMA_IN_NODE) { 433 s->dma_channel = i + cobalt->first_fifo_channel; 434 s->video_channel = i; 435 s->dma_fifo_mask = 436 COBALT_SYSSTAT_VI0_LOST_DATA_MSK << (4 * i); 437 s->adv_irq_mask = 438 COBALT_SYSSTAT_VI0_INT1_MSK << (4 * i); 439 } else if (i >= COBALT_AUDIO_IN_STREAM && 440 i <= COBALT_AUDIO_IN_STREAM + 4) { 441 unsigned idx = i - COBALT_AUDIO_IN_STREAM; 442 443 s->dma_channel = 6 + idx; 444 s->is_audio = true; 445 s->video_channel = idx; 446 s->dma_fifo_mask = COBALT_SYSSTAT_AUD_IN_LOST_DATA_MSK; 447 } else if (i == COBALT_HSMA_OUT_NODE) { 448 s->dma_channel = 11; 449 s->is_output = true; 450 s->video_channel = 5; 451 s->dma_fifo_mask = COBALT_SYSSTAT_VOHSMA_LOST_DATA_MSK; 452 s->adv_irq_mask = COBALT_SYSSTAT_VOHSMA_INT1_MSK; 453 } else if (i == COBALT_AUDIO_OUT_STREAM) { 454 s->dma_channel = 12; 455 s->is_audio = true; 456 s->is_output = true; 457 s->video_channel = 5; 458 s->dma_fifo_mask = COBALT_SYSSTAT_AUD_OUT_LOST_DATA_MSK; 459 } else { 460 /* FIXME: Memory DMA for debug purpose */ 461 s->dma_channel = i - COBALT_NUM_NODES; 462 } 463 cobalt_info("stream #%d -> dma channel #%d <- video channel %d\n", 464 i, s->dma_channel, s->video_channel); 465 } 466} 467 468static int cobalt_subdevs_init(struct cobalt *cobalt) 469{ 470 static struct adv76xx_platform_data adv7604_pdata = { 471 .disable_pwrdnb = 1, 472 .ain_sel = ADV7604_AIN7_8_9_NC_SYNC_3_1, 473 .bus_order = ADV7604_BUS_ORDER_BRG, 474 .blank_data = 1, 475 .op_format_mode_sel = ADV7604_OP_FORMAT_MODE0, 476 .int1_config = ADV76XX_INT1_CONFIG_ACTIVE_HIGH, 477 .dr_str_data = ADV76XX_DR_STR_HIGH, 478 .dr_str_clk = ADV76XX_DR_STR_HIGH, 479 .dr_str_sync = ADV76XX_DR_STR_HIGH, 480 .hdmi_free_run_mode = 1, 481 .inv_vs_pol = 1, 482 .inv_hs_pol = 1, 483 }; 484 static struct i2c_board_info adv7604_info = { 485 .type = "adv7604", 486 .addr = 0x20, 487 .platform_data = &adv7604_pdata, 488 }; 489 490 struct cobalt_stream *s = cobalt->streams; 491 int i; 492 493 for (i = 0; i < COBALT_NUM_INPUTS; i++) { 494 struct v4l2_subdev_format sd_fmt = { 495 .pad = ADV7604_PAD_SOURCE, 496 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 497 .format.code = MEDIA_BUS_FMT_YUYV8_1X16, 498 }; 499 struct v4l2_subdev_edid cobalt_edid = { 500 .pad = ADV76XX_PAD_HDMI_PORT_A, 501 .start_block = 0, 502 .blocks = 2, 503 .edid = edid, 504 }; 505 int err; 506 507 s[i].pad_source = ADV7604_PAD_SOURCE; 508 s[i].i2c_adap = &cobalt->i2c_adap[i]; 509 if (s[i].i2c_adap->dev.parent == NULL) 510 continue; 511 cobalt_s_bit_sysctrl(cobalt, 512 COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(i), 1); 513 s[i].sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev, 514 s[i].i2c_adap, &adv7604_info, NULL); 515 if (!s[i].sd) { 516 if (cobalt_ignore_err) 517 continue; 518 return -ENODEV; 519 } 520 err = v4l2_subdev_call(s[i].sd, video, s_routing, 521 ADV76XX_PAD_HDMI_PORT_A, 0, 0); 522 if (err) 523 return err; 524 err = v4l2_subdev_call(s[i].sd, pad, set_edid, 525 &cobalt_edid); 526 if (err) 527 return err; 528 err = v4l2_subdev_call(s[i].sd, pad, set_fmt, NULL, 529 &sd_fmt); 530 if (err) 531 return err; 532 /* Reset channel video module */ 533 cobalt_s_bit_sysctrl(cobalt, 534 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(i), 0); 535 mdelay(2); 536 cobalt_s_bit_sysctrl(cobalt, 537 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(i), 1); 538 mdelay(1); 539 s[i].is_dummy = false; 540 cobalt->streams[i + COBALT_AUDIO_IN_STREAM].is_dummy = false; 541 } 542 return 0; 543} 544 545static int cobalt_subdevs_hsma_init(struct cobalt *cobalt) 546{ 547 static struct adv7842_platform_data adv7842_pdata = { 548 .disable_pwrdnb = 1, 549 .ain_sel = ADV7842_AIN1_2_3_NC_SYNC_1_2, 550 .bus_order = ADV7842_BUS_ORDER_RBG, 551 .op_format_mode_sel = ADV7842_OP_FORMAT_MODE0, 552 .blank_data = 1, 553 .dr_str_data = 3, 554 .dr_str_clk = 3, 555 .dr_str_sync = 3, 556 .mode = ADV7842_MODE_HDMI, 557 .hdmi_free_run_enable = 1, 558 .vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P, 559 .i2c_sdp_io = 0x4a, 560 .i2c_sdp = 0x48, 561 .i2c_cp = 0x22, 562 .i2c_vdp = 0x24, 563 .i2c_afe = 0x26, 564 .i2c_hdmi = 0x34, 565 .i2c_repeater = 0x32, 566 .i2c_edid = 0x36, 567 .i2c_infoframe = 0x3e, 568 .i2c_cec = 0x40, 569 .i2c_avlink = 0x42, 570 }; 571 static struct i2c_board_info adv7842_info = { 572 .type = "adv7842", 573 .addr = 0x20, 574 .platform_data = &adv7842_pdata, 575 }; 576 struct v4l2_subdev_format sd_fmt = { 577 .pad = ADV7842_PAD_SOURCE, 578 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 579 .format.code = MEDIA_BUS_FMT_YUYV8_1X16, 580 }; 581 static struct adv7511_platform_data adv7511_pdata = { 582 .i2c_edid = 0x7e >> 1, 583 .i2c_cec = 0x7c >> 1, 584 .i2c_pktmem = 0x70 >> 1, 585 .cec_clk = 12000000, 586 }; 587 static struct i2c_board_info adv7511_info = { 588 .type = "adv7511-v4l2", 589 .addr = 0x39, /* 0x39 or 0x3d */ 590 .platform_data = &adv7511_pdata, 591 }; 592 struct v4l2_subdev_edid cobalt_edid = { 593 .pad = ADV7842_EDID_PORT_A, 594 .start_block = 0, 595 .blocks = 2, 596 .edid = edid, 597 }; 598 struct cobalt_stream *s = &cobalt->streams[COBALT_HSMA_IN_NODE]; 599 600 s->i2c_adap = &cobalt->i2c_adap[COBALT_NUM_ADAPTERS - 1]; 601 if (s->i2c_adap->dev.parent == NULL) 602 return 0; 603 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(4), 1); 604 605 s->sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev, 606 s->i2c_adap, &adv7842_info, NULL); 607 if (s->sd) { 608 int err = v4l2_subdev_call(s->sd, pad, set_edid, &cobalt_edid); 609 610 if (err) 611 return err; 612 err = v4l2_subdev_call(s->sd, pad, set_fmt, NULL, 613 &sd_fmt); 614 if (err) 615 return err; 616 cobalt->have_hsma_rx = true; 617 s->pad_source = ADV7842_PAD_SOURCE; 618 s->is_dummy = false; 619 cobalt->streams[4 + COBALT_AUDIO_IN_STREAM].is_dummy = false; 620 /* Reset channel video module */ 621 cobalt_s_bit_sysctrl(cobalt, 622 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 0); 623 mdelay(2); 624 cobalt_s_bit_sysctrl(cobalt, 625 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 1); 626 mdelay(1); 627 return err; 628 } 629 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(4), 0); 630 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_PWRDN0_TO_HSMA_TX_BIT, 0); 631 s++; 632 s->i2c_adap = &cobalt->i2c_adap[COBALT_NUM_ADAPTERS - 1]; 633 s->sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev, 634 s->i2c_adap, &adv7511_info, NULL); 635 if (s->sd) { 636 /* A transmitter is hooked up, so we can set this bit */ 637 cobalt_s_bit_sysctrl(cobalt, 638 COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 1); 639 cobalt_s_bit_sysctrl(cobalt, 640 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 0); 641 cobalt_s_bit_sysctrl(cobalt, 642 COBALT_SYS_CTRL_VIDEO_TX_RESETN_BIT, 1); 643 cobalt->have_hsma_tx = true; 644 v4l2_subdev_call(s->sd, core, s_power, 1); 645 v4l2_subdev_call(s->sd, video, s_stream, 1); 646 v4l2_subdev_call(s->sd, audio, s_stream, 1); 647 v4l2_ctrl_s_ctrl(v4l2_ctrl_find(s->sd->ctrl_handler, 648 V4L2_CID_DV_TX_MODE), V4L2_DV_TX_MODE_HDMI); 649 s->is_dummy = false; 650 cobalt->streams[COBALT_AUDIO_OUT_STREAM].is_dummy = false; 651 return 0; 652 } 653 return -ENODEV; 654} 655 656static int cobalt_probe(struct pci_dev *pci_dev, 657 const struct pci_device_id *pci_id) 658{ 659 struct cobalt *cobalt; 660 int retval = 0; 661 int i; 662 663 /* FIXME - module parameter arrays constrain max instances */ 664 i = atomic_inc_return(&cobalt_instance) - 1; 665 666 cobalt = kzalloc(sizeof(struct cobalt), GFP_KERNEL); 667 if (cobalt == NULL) 668 return -ENOMEM; 669 cobalt->pci_dev = pci_dev; 670 cobalt->instance = i; 671 mutex_init(&cobalt->pci_lock); 672 673 retval = v4l2_device_register(&pci_dev->dev, &cobalt->v4l2_dev); 674 if (retval) { 675 pr_err("cobalt: v4l2_device_register of card %d failed\n", 676 cobalt->instance); 677 kfree(cobalt); 678 return retval; 679 } 680 snprintf(cobalt->v4l2_dev.name, sizeof(cobalt->v4l2_dev.name), 681 "cobalt-%d", cobalt->instance); 682 cobalt->v4l2_dev.notify = cobalt_notify; 683 cobalt_info("Initializing card %d\n", cobalt->instance); 684 685 cobalt->irq_work_queues = 686 create_singlethread_workqueue(cobalt->v4l2_dev.name); 687 if (cobalt->irq_work_queues == NULL) { 688 cobalt_err("Could not create workqueue\n"); 689 retval = -ENOMEM; 690 goto err; 691 } 692 693 INIT_WORK(&cobalt->irq_work_queue, cobalt_irq_work_handler); 694 695 /* PCI Device Setup */ 696 retval = cobalt_setup_pci(cobalt, pci_dev, pci_id); 697 if (retval != 0) 698 goto err_wq; 699 700 /* Show HDL version info */ 701 if (cobalt_hdl_info_get(cobalt)) 702 cobalt_info("Not able to read the HDL info\n"); 703 else 704 cobalt_info("%s", cobalt->hdl_info); 705 706 retval = cobalt_i2c_init(cobalt); 707 if (retval) 708 goto err_pci; 709 710 cobalt_stream_struct_init(cobalt); 711 712 retval = cobalt_subdevs_init(cobalt); 713 if (retval) 714 goto err_i2c; 715 716 if (!(cobalt_read_bar1(cobalt, COBALT_SYS_STAT_BASE) & 717 COBALT_SYSSTAT_HSMA_PRSNTN_MSK)) { 718 retval = cobalt_subdevs_hsma_init(cobalt); 719 if (retval) 720 goto err_i2c; 721 } 722 723 retval = cobalt_nodes_register(cobalt); 724 if (retval) { 725 cobalt_err("Error %d registering device nodes\n", retval); 726 goto err_i2c; 727 } 728 cobalt_set_interrupt(cobalt, true); 729 v4l2_device_call_all(&cobalt->v4l2_dev, 0, core, 730 interrupt_service_routine, 0, NULL); 731 732 cobalt_info("Initialized cobalt card\n"); 733 734 cobalt_flash_probe(cobalt); 735 736 return 0; 737 738err_i2c: 739 cobalt_i2c_exit(cobalt); 740 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 0); 741err_pci: 742 cobalt_free_msi(cobalt, pci_dev); 743 cobalt_pci_iounmap(cobalt, pci_dev); 744 pci_release_regions(cobalt->pci_dev); 745 pci_disable_device(cobalt->pci_dev); 746err_wq: 747 destroy_workqueue(cobalt->irq_work_queues); 748err: 749 cobalt_err("error %d on initialization\n", retval); 750 751 v4l2_device_unregister(&cobalt->v4l2_dev); 752 kfree(cobalt); 753 return retval; 754} 755 756static void cobalt_remove(struct pci_dev *pci_dev) 757{ 758 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 759 struct cobalt *cobalt = to_cobalt(v4l2_dev); 760 int i; 761 762 cobalt_flash_remove(cobalt); 763 cobalt_set_interrupt(cobalt, false); 764 flush_workqueue(cobalt->irq_work_queues); 765 cobalt_nodes_unregister(cobalt); 766 for (i = 0; i < COBALT_NUM_ADAPTERS; i++) { 767 struct v4l2_subdev *sd = cobalt->streams[i].sd; 768 struct i2c_client *client; 769 770 if (sd == NULL) 771 continue; 772 client = v4l2_get_subdevdata(sd); 773 v4l2_device_unregister_subdev(sd); 774 i2c_unregister_device(client); 775 } 776 cobalt_i2c_exit(cobalt); 777 cobalt_free_msi(cobalt, pci_dev); 778 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 0); 779 cobalt_pci_iounmap(cobalt, pci_dev); 780 pci_release_regions(cobalt->pci_dev); 781 pci_disable_device(cobalt->pci_dev); 782 destroy_workqueue(cobalt->irq_work_queues); 783 784 cobalt_info("removed cobalt card\n"); 785 786 v4l2_device_unregister(v4l2_dev); 787 kfree(cobalt); 788} 789 790/* define a pci_driver for card detection */ 791static struct pci_driver cobalt_pci_driver = { 792 .name = "cobalt", 793 .id_table = cobalt_pci_tbl, 794 .probe = cobalt_probe, 795 .remove = cobalt_remove, 796}; 797 798module_pci_driver(cobalt_pci_driver); 799