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 0x45, 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, 0x9d, 67 68 0x02, 0x03, 0x1f, 0xf1, 0x4a, 0x10, 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, 0xca, 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, 0x46, 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 u32 capa; 190 u16 stat, ctrl; 191 192 if (!pci_is_pcie(pci_dev) || !pci_is_pcie(pci_bus_dev)) 193 return; 194 195 /* Device */ 196 pcie_capability_read_dword(pci_dev, PCI_EXP_DEVCAP, &capa); 197 pcie_capability_read_word(pci_dev, PCI_EXP_DEVCTL, &ctrl); 198 pcie_capability_read_word(pci_dev, PCI_EXP_DEVSTA, &stat); 199 cobalt_info("PCIe device capability 0x%08x: Max payload %d\n", 200 capa, get_payload_size(capa & PCI_EXP_DEVCAP_PAYLOAD)); 201 cobalt_info("PCIe device control 0x%04x: Max payload %d. Max read request %d\n", 202 ctrl, 203 get_payload_size((ctrl & PCI_EXP_DEVCTL_PAYLOAD) >> 5), 204 get_payload_size((ctrl & PCI_EXP_DEVCTL_READRQ) >> 12)); 205 cobalt_info("PCIe device status 0x%04x\n", stat); 206 207 /* Link */ 208 pcie_capability_read_dword(pci_dev, PCI_EXP_LNKCAP, &capa); 209 pcie_capability_read_word(pci_dev, PCI_EXP_LNKCTL, &ctrl); 210 pcie_capability_read_word(pci_dev, PCI_EXP_LNKSTA, &stat); 211 cobalt_info("PCIe link capability 0x%08x: %s per lane and %u lanes\n", 212 capa, get_link_speed(capa), 213 (capa & PCI_EXP_LNKCAP_MLW) >> 4); 214 cobalt_info("PCIe link control 0x%04x\n", ctrl); 215 cobalt_info("PCIe link status 0x%04x: %s per lane and %u lanes\n", 216 stat, get_link_speed(stat), 217 (stat & PCI_EXP_LNKSTA_NLW) >> 4); 218 219 /* Bus */ 220 pcie_capability_read_dword(pci_bus_dev, PCI_EXP_LNKCAP, &capa); 221 cobalt_info("PCIe bus link capability 0x%08x: %s per lane and %u lanes\n", 222 capa, get_link_speed(capa), 223 (capa & PCI_EXP_LNKCAP_MLW) >> 4); 224 225 /* Slot */ 226 pcie_capability_read_dword(pci_dev, PCI_EXP_SLTCAP, &capa); 227 pcie_capability_read_word(pci_dev, PCI_EXP_SLTCTL, &ctrl); 228 pcie_capability_read_word(pci_dev, PCI_EXP_SLTSTA, &stat); 229 cobalt_info("PCIe slot capability 0x%08x\n", capa); 230 cobalt_info("PCIe slot control 0x%04x\n", ctrl); 231 cobalt_info("PCIe slot status 0x%04x\n", stat); 232 } 233 234 static unsigned pcie_link_get_lanes(struct cobalt *cobalt) 235 { 236 struct pci_dev *pci_dev = cobalt->pci_dev; 237 u16 link; 238 239 if (!pci_is_pcie(pci_dev)) 240 return 0; 241 pcie_capability_read_word(pci_dev, PCI_EXP_LNKSTA, &link); 242 return (link & PCI_EXP_LNKSTA_NLW) >> 4; 243 } 244 245 static unsigned pcie_bus_link_get_lanes(struct cobalt *cobalt) 246 { 247 struct pci_dev *pci_dev = cobalt->pci_dev->bus->self; 248 u32 link; 249 250 if (!pci_is_pcie(pci_dev)) 251 return 0; 252 pcie_capability_read_dword(pci_dev, PCI_EXP_LNKCAP, &link); 253 return (link & PCI_EXP_LNKCAP_MLW) >> 4; 254 } 255 256 static void msi_config_show(struct cobalt *cobalt, struct pci_dev *pci_dev) 257 { 258 u16 ctrl, data; 259 u32 adrs_l, adrs_h; 260 261 pci_read_config_word(pci_dev, 0x52, &ctrl); 262 cobalt_info("MSI %s\n", ctrl & 1 ? "enable" : "disable"); 263 cobalt_info("MSI multiple message: Capable %u. Enable %u\n", 264 (1 << ((ctrl >> 1) & 7)), (1 << ((ctrl >> 4) & 7))); 265 if (ctrl & 0x80) 266 cobalt_info("MSI: 64-bit address capable\n"); 267 pci_read_config_dword(pci_dev, 0x54, &adrs_l); 268 pci_read_config_dword(pci_dev, 0x58, &adrs_h); 269 pci_read_config_word(pci_dev, 0x5c, &data); 270 if (ctrl & 0x80) 271 cobalt_info("MSI: Address 0x%08x%08x. Data 0x%04x\n", 272 adrs_h, adrs_l, data); 273 else 274 cobalt_info("MSI: Address 0x%08x. Data 0x%04x\n", 275 adrs_l, data); 276 } 277 278 static void cobalt_pci_iounmap(struct cobalt *cobalt, struct pci_dev *pci_dev) 279 { 280 if (cobalt->bar0) { 281 pci_iounmap(pci_dev, cobalt->bar0); 282 cobalt->bar0 = NULL; 283 } 284 if (cobalt->bar1) { 285 pci_iounmap(pci_dev, cobalt->bar1); 286 cobalt->bar1 = NULL; 287 } 288 } 289 290 static void cobalt_free_msi(struct cobalt *cobalt, struct pci_dev *pci_dev) 291 { 292 free_irq(pci_dev->irq, (void *)cobalt); 293 pci_free_irq_vectors(pci_dev); 294 } 295 296 static int cobalt_setup_pci(struct cobalt *cobalt, struct pci_dev *pci_dev, 297 const struct pci_device_id *pci_id) 298 { 299 u32 ctrl; 300 int ret; 301 302 cobalt_dbg(1, "enabling pci device\n"); 303 304 ret = pci_enable_device(pci_dev); 305 if (ret) { 306 cobalt_err("can't enable device\n"); 307 return ret; 308 } 309 pci_set_master(pci_dev); 310 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &cobalt->card_rev); 311 pci_read_config_word(pci_dev, PCI_DEVICE_ID, &cobalt->device_id); 312 313 switch (cobalt->device_id) { 314 case PCI_DEVICE_ID_COBALT: 315 cobalt_info("PCI Express interface from Omnitek\n"); 316 break; 317 default: 318 cobalt_info("PCI Express interface provider is unknown!\n"); 319 break; 320 } 321 322 if (pcie_link_get_lanes(cobalt) != 8) { 323 cobalt_warn("PCI Express link width is %d lanes.\n", 324 pcie_link_get_lanes(cobalt)); 325 if (pcie_bus_link_get_lanes(cobalt) < 8) 326 cobalt_warn("The current slot only supports %d lanes, for best performance 8 are needed\n", 327 pcie_bus_link_get_lanes(cobalt)); 328 if (pcie_link_get_lanes(cobalt) != pcie_bus_link_get_lanes(cobalt)) { 329 cobalt_err("The card is most likely not seated correctly in the PCIe slot\n"); 330 ret = -EIO; 331 goto err_disable; 332 } 333 } 334 335 if (pci_set_dma_mask(pci_dev, DMA_BIT_MASK(64))) { 336 ret = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32)); 337 if (ret) { 338 cobalt_err("no suitable DMA available\n"); 339 goto err_disable; 340 } 341 } 342 343 ret = pci_request_regions(pci_dev, "cobalt"); 344 if (ret) { 345 cobalt_err("error requesting regions\n"); 346 goto err_disable; 347 } 348 349 cobalt_pcie_status_show(cobalt); 350 351 cobalt->bar0 = pci_iomap(pci_dev, 0, 0); 352 cobalt->bar1 = pci_iomap(pci_dev, 1, 0); 353 if (cobalt->bar1 == NULL) { 354 cobalt->bar1 = pci_iomap(pci_dev, 2, 0); 355 cobalt_info("64-bit BAR\n"); 356 } 357 if (!cobalt->bar0 || !cobalt->bar1) { 358 ret = -EIO; 359 goto err_release; 360 } 361 362 /* Reset the video inputs before enabling any interrupts */ 363 ctrl = cobalt_read_bar1(cobalt, COBALT_SYS_CTRL_BASE); 364 cobalt_write_bar1(cobalt, COBALT_SYS_CTRL_BASE, ctrl & ~0xf00); 365 366 /* Disable interrupts to prevent any spurious interrupts 367 from being generated. */ 368 cobalt_set_interrupt(cobalt, false); 369 370 if (pci_alloc_irq_vectors(pci_dev, 1, 1, PCI_IRQ_MSI) < 1) { 371 cobalt_err("Could not enable MSI\n"); 372 ret = -EIO; 373 goto err_release; 374 } 375 msi_config_show(cobalt, pci_dev); 376 377 /* Register IRQ */ 378 if (request_irq(pci_dev->irq, cobalt_irq_handler, IRQF_SHARED, 379 cobalt->v4l2_dev.name, (void *)cobalt)) { 380 cobalt_err("Failed to register irq %d\n", pci_dev->irq); 381 ret = -EIO; 382 goto err_msi; 383 } 384 385 omni_sg_dma_init(cobalt); 386 return 0; 387 388 err_msi: 389 pci_disable_msi(pci_dev); 390 391 err_release: 392 cobalt_pci_iounmap(cobalt, pci_dev); 393 pci_release_regions(pci_dev); 394 395 err_disable: 396 pci_disable_device(cobalt->pci_dev); 397 return ret; 398 } 399 400 static int cobalt_hdl_info_get(struct cobalt *cobalt) 401 { 402 int i; 403 404 for (i = 0; i < COBALT_HDL_INFO_SIZE; i++) 405 cobalt->hdl_info[i] = 406 ioread8(cobalt->bar1 + COBALT_HDL_INFO_BASE + i); 407 cobalt->hdl_info[COBALT_HDL_INFO_SIZE - 1] = '\0'; 408 if (strstr(cobalt->hdl_info, COBALT_HDL_SEARCH_STR)) 409 return 0; 410 411 return 1; 412 } 413 414 static void cobalt_stream_struct_init(struct cobalt *cobalt) 415 { 416 int i; 417 418 for (i = 0; i < COBALT_NUM_STREAMS; i++) { 419 struct cobalt_stream *s = &cobalt->streams[i]; 420 421 s->cobalt = cobalt; 422 s->flags = 0; 423 s->is_audio = false; 424 s->is_output = false; 425 s->is_dummy = true; 426 427 /* The Memory DMA channels will always get a lower channel 428 * number than the FIFO DMA. Video input should map to the 429 * stream 0-3. The other can use stream struct from 4 and 430 * higher */ 431 if (i <= COBALT_HSMA_IN_NODE) { 432 s->dma_channel = i + cobalt->first_fifo_channel; 433 s->video_channel = i; 434 s->dma_fifo_mask = 435 COBALT_SYSSTAT_VI0_LOST_DATA_MSK << (4 * i); 436 s->adv_irq_mask = 437 COBALT_SYSSTAT_VI0_INT1_MSK << (4 * i); 438 } else if (i >= COBALT_AUDIO_IN_STREAM && 439 i <= COBALT_AUDIO_IN_STREAM + 4) { 440 unsigned idx = i - COBALT_AUDIO_IN_STREAM; 441 442 s->dma_channel = 6 + idx; 443 s->is_audio = true; 444 s->video_channel = idx; 445 s->dma_fifo_mask = COBALT_SYSSTAT_AUD_IN_LOST_DATA_MSK; 446 } else if (i == COBALT_HSMA_OUT_NODE) { 447 s->dma_channel = 11; 448 s->is_output = true; 449 s->video_channel = 5; 450 s->dma_fifo_mask = COBALT_SYSSTAT_VOHSMA_LOST_DATA_MSK; 451 s->adv_irq_mask = COBALT_SYSSTAT_VOHSMA_INT1_MSK; 452 } else if (i == COBALT_AUDIO_OUT_STREAM) { 453 s->dma_channel = 12; 454 s->is_audio = true; 455 s->is_output = true; 456 s->video_channel = 5; 457 s->dma_fifo_mask = COBALT_SYSSTAT_AUD_OUT_LOST_DATA_MSK; 458 } else { 459 /* FIXME: Memory DMA for debug purpose */ 460 s->dma_channel = i - COBALT_NUM_NODES; 461 } 462 cobalt_info("stream #%d -> dma channel #%d <- video channel %d\n", 463 i, s->dma_channel, s->video_channel); 464 } 465 } 466 467 static int cobalt_subdevs_init(struct cobalt *cobalt) 468 { 469 static struct adv76xx_platform_data adv7604_pdata = { 470 .disable_pwrdnb = 1, 471 .ain_sel = ADV7604_AIN7_8_9_NC_SYNC_3_1, 472 .bus_order = ADV7604_BUS_ORDER_BRG, 473 .blank_data = 1, 474 .op_format_mode_sel = ADV7604_OP_FORMAT_MODE0, 475 .int1_config = ADV76XX_INT1_CONFIG_ACTIVE_HIGH, 476 .dr_str_data = ADV76XX_DR_STR_HIGH, 477 .dr_str_clk = ADV76XX_DR_STR_HIGH, 478 .dr_str_sync = ADV76XX_DR_STR_HIGH, 479 .hdmi_free_run_mode = 1, 480 .inv_vs_pol = 1, 481 .inv_hs_pol = 1, 482 }; 483 static struct i2c_board_info adv7604_info = { 484 .type = "adv7604", 485 .addr = 0x20, 486 .platform_data = &adv7604_pdata, 487 }; 488 489 struct cobalt_stream *s = cobalt->streams; 490 int i; 491 492 for (i = 0; i < COBALT_NUM_INPUTS; i++) { 493 struct v4l2_subdev_format sd_fmt = { 494 .pad = ADV7604_PAD_SOURCE, 495 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 496 .format.code = MEDIA_BUS_FMT_YUYV8_1X16, 497 }; 498 struct v4l2_subdev_edid cobalt_edid = { 499 .pad = ADV76XX_PAD_HDMI_PORT_A, 500 .start_block = 0, 501 .blocks = 2, 502 .edid = edid, 503 }; 504 int err; 505 506 s[i].pad_source = ADV7604_PAD_SOURCE; 507 s[i].i2c_adap = &cobalt->i2c_adap[i]; 508 if (s[i].i2c_adap->dev.parent == NULL) 509 continue; 510 cobalt_s_bit_sysctrl(cobalt, 511 COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(i), 1); 512 s[i].sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev, 513 s[i].i2c_adap, &adv7604_info, NULL); 514 if (!s[i].sd) { 515 if (cobalt_ignore_err) 516 continue; 517 return -ENODEV; 518 } 519 err = v4l2_subdev_call(s[i].sd, video, s_routing, 520 ADV76XX_PAD_HDMI_PORT_A, 0, 0); 521 if (err) 522 return err; 523 err = v4l2_subdev_call(s[i].sd, pad, set_edid, 524 &cobalt_edid); 525 if (err) 526 return err; 527 err = v4l2_subdev_call(s[i].sd, pad, set_fmt, NULL, 528 &sd_fmt); 529 if (err) 530 return err; 531 /* Reset channel video module */ 532 cobalt_s_bit_sysctrl(cobalt, 533 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(i), 0); 534 mdelay(2); 535 cobalt_s_bit_sysctrl(cobalt, 536 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(i), 1); 537 mdelay(1); 538 s[i].is_dummy = false; 539 cobalt->streams[i + COBALT_AUDIO_IN_STREAM].is_dummy = false; 540 } 541 return 0; 542 } 543 544 static int cobalt_subdevs_hsma_init(struct cobalt *cobalt) 545 { 546 static struct adv7842_platform_data adv7842_pdata = { 547 .disable_pwrdnb = 1, 548 .ain_sel = ADV7842_AIN1_2_3_NC_SYNC_1_2, 549 .bus_order = ADV7842_BUS_ORDER_RBG, 550 .op_format_mode_sel = ADV7842_OP_FORMAT_MODE0, 551 .blank_data = 1, 552 .dr_str_data = 3, 553 .dr_str_clk = 3, 554 .dr_str_sync = 3, 555 .mode = ADV7842_MODE_HDMI, 556 .hdmi_free_run_enable = 1, 557 .vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P, 558 .i2c_sdp_io = 0x4a, 559 .i2c_sdp = 0x48, 560 .i2c_cp = 0x22, 561 .i2c_vdp = 0x24, 562 .i2c_afe = 0x26, 563 .i2c_hdmi = 0x34, 564 .i2c_repeater = 0x32, 565 .i2c_edid = 0x36, 566 .i2c_infoframe = 0x3e, 567 .i2c_cec = 0x40, 568 .i2c_avlink = 0x42, 569 }; 570 static struct i2c_board_info adv7842_info = { 571 .type = "adv7842", 572 .addr = 0x20, 573 .platform_data = &adv7842_pdata, 574 }; 575 struct v4l2_subdev_format sd_fmt = { 576 .pad = ADV7842_PAD_SOURCE, 577 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 578 .format.code = MEDIA_BUS_FMT_YUYV8_1X16, 579 }; 580 static struct adv7511_platform_data adv7511_pdata = { 581 .i2c_edid = 0x7e >> 1, 582 .i2c_cec = 0x7c >> 1, 583 .i2c_pktmem = 0x70 >> 1, 584 .cec_clk = 12000000, 585 }; 586 static struct i2c_board_info adv7511_info = { 587 .type = "adv7511-v4l2", 588 .addr = 0x39, /* 0x39 or 0x3d */ 589 .platform_data = &adv7511_pdata, 590 }; 591 struct v4l2_subdev_edid cobalt_edid = { 592 .pad = ADV7842_EDID_PORT_A, 593 .start_block = 0, 594 .blocks = 2, 595 .edid = edid, 596 }; 597 struct cobalt_stream *s = &cobalt->streams[COBALT_HSMA_IN_NODE]; 598 599 s->i2c_adap = &cobalt->i2c_adap[COBALT_NUM_ADAPTERS - 1]; 600 if (s->i2c_adap->dev.parent == NULL) 601 return 0; 602 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(4), 1); 603 604 s->sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev, 605 s->i2c_adap, &adv7842_info, NULL); 606 if (s->sd) { 607 int err = v4l2_subdev_call(s->sd, pad, set_edid, &cobalt_edid); 608 609 if (err) 610 return err; 611 err = v4l2_subdev_call(s->sd, pad, set_fmt, NULL, 612 &sd_fmt); 613 if (err) 614 return err; 615 cobalt->have_hsma_rx = true; 616 s->pad_source = ADV7842_PAD_SOURCE; 617 s->is_dummy = false; 618 cobalt->streams[4 + COBALT_AUDIO_IN_STREAM].is_dummy = false; 619 /* Reset channel video module */ 620 cobalt_s_bit_sysctrl(cobalt, 621 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 0); 622 mdelay(2); 623 cobalt_s_bit_sysctrl(cobalt, 624 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 1); 625 mdelay(1); 626 return err; 627 } 628 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(4), 0); 629 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_PWRDN0_TO_HSMA_TX_BIT, 0); 630 s++; 631 s->i2c_adap = &cobalt->i2c_adap[COBALT_NUM_ADAPTERS - 1]; 632 s->sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev, 633 s->i2c_adap, &adv7511_info, NULL); 634 if (s->sd) { 635 /* A transmitter is hooked up, so we can set this bit */ 636 cobalt_s_bit_sysctrl(cobalt, 637 COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 1); 638 cobalt_s_bit_sysctrl(cobalt, 639 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 0); 640 cobalt_s_bit_sysctrl(cobalt, 641 COBALT_SYS_CTRL_VIDEO_TX_RESETN_BIT, 1); 642 cobalt->have_hsma_tx = true; 643 v4l2_subdev_call(s->sd, core, s_power, 1); 644 v4l2_subdev_call(s->sd, video, s_stream, 1); 645 v4l2_subdev_call(s->sd, audio, s_stream, 1); 646 v4l2_ctrl_s_ctrl(v4l2_ctrl_find(s->sd->ctrl_handler, 647 V4L2_CID_DV_TX_MODE), V4L2_DV_TX_MODE_HDMI); 648 s->is_dummy = false; 649 cobalt->streams[COBALT_AUDIO_OUT_STREAM].is_dummy = false; 650 return 0; 651 } 652 return -ENODEV; 653 } 654 655 static int cobalt_probe(struct pci_dev *pci_dev, 656 const struct pci_device_id *pci_id) 657 { 658 struct cobalt *cobalt; 659 int retval = 0; 660 int i; 661 662 /* FIXME - module parameter arrays constrain max instances */ 663 i = atomic_inc_return(&cobalt_instance) - 1; 664 665 cobalt = kzalloc(sizeof(struct cobalt), GFP_KERNEL); 666 if (cobalt == NULL) 667 return -ENOMEM; 668 cobalt->pci_dev = pci_dev; 669 cobalt->instance = i; 670 mutex_init(&cobalt->pci_lock); 671 672 retval = v4l2_device_register(&pci_dev->dev, &cobalt->v4l2_dev); 673 if (retval) { 674 pr_err("cobalt: v4l2_device_register of card %d failed\n", 675 cobalt->instance); 676 kfree(cobalt); 677 return retval; 678 } 679 snprintf(cobalt->v4l2_dev.name, sizeof(cobalt->v4l2_dev.name), 680 "cobalt-%d", cobalt->instance); 681 cobalt->v4l2_dev.notify = cobalt_notify; 682 cobalt_info("Initializing card %d\n", cobalt->instance); 683 684 cobalt->irq_work_queues = 685 create_singlethread_workqueue(cobalt->v4l2_dev.name); 686 if (cobalt->irq_work_queues == NULL) { 687 cobalt_err("Could not create workqueue\n"); 688 retval = -ENOMEM; 689 goto err; 690 } 691 692 INIT_WORK(&cobalt->irq_work_queue, cobalt_irq_work_handler); 693 694 /* PCI Device Setup */ 695 retval = cobalt_setup_pci(cobalt, pci_dev, pci_id); 696 if (retval != 0) 697 goto err_wq; 698 699 /* Show HDL version info */ 700 if (cobalt_hdl_info_get(cobalt)) 701 cobalt_info("Not able to read the HDL info\n"); 702 else 703 cobalt_info("%s", cobalt->hdl_info); 704 705 retval = cobalt_i2c_init(cobalt); 706 if (retval) 707 goto err_pci; 708 709 cobalt_stream_struct_init(cobalt); 710 711 retval = cobalt_subdevs_init(cobalt); 712 if (retval) 713 goto err_i2c; 714 715 if (!(cobalt_read_bar1(cobalt, COBALT_SYS_STAT_BASE) & 716 COBALT_SYSSTAT_HSMA_PRSNTN_MSK)) { 717 retval = cobalt_subdevs_hsma_init(cobalt); 718 if (retval) 719 goto err_i2c; 720 } 721 722 retval = cobalt_nodes_register(cobalt); 723 if (retval) { 724 cobalt_err("Error %d registering device nodes\n", retval); 725 goto err_i2c; 726 } 727 cobalt_set_interrupt(cobalt, true); 728 v4l2_device_call_all(&cobalt->v4l2_dev, 0, core, 729 interrupt_service_routine, 0, NULL); 730 731 cobalt_info("Initialized cobalt card\n"); 732 733 cobalt_flash_probe(cobalt); 734 735 return 0; 736 737 err_i2c: 738 cobalt_i2c_exit(cobalt); 739 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 0); 740 err_pci: 741 cobalt_free_msi(cobalt, pci_dev); 742 cobalt_pci_iounmap(cobalt, pci_dev); 743 pci_release_regions(cobalt->pci_dev); 744 pci_disable_device(cobalt->pci_dev); 745 err_wq: 746 destroy_workqueue(cobalt->irq_work_queues); 747 err: 748 cobalt_err("error %d on initialization\n", retval); 749 750 v4l2_device_unregister(&cobalt->v4l2_dev); 751 kfree(cobalt); 752 return retval; 753 } 754 755 static void cobalt_remove(struct pci_dev *pci_dev) 756 { 757 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 758 struct cobalt *cobalt = to_cobalt(v4l2_dev); 759 int i; 760 761 cobalt_flash_remove(cobalt); 762 cobalt_set_interrupt(cobalt, false); 763 flush_workqueue(cobalt->irq_work_queues); 764 cobalt_nodes_unregister(cobalt); 765 for (i = 0; i < COBALT_NUM_ADAPTERS; i++) { 766 struct v4l2_subdev *sd = cobalt->streams[i].sd; 767 struct i2c_client *client; 768 769 if (sd == NULL) 770 continue; 771 client = v4l2_get_subdevdata(sd); 772 v4l2_device_unregister_subdev(sd); 773 i2c_unregister_device(client); 774 } 775 cobalt_i2c_exit(cobalt); 776 cobalt_free_msi(cobalt, pci_dev); 777 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 0); 778 cobalt_pci_iounmap(cobalt, pci_dev); 779 pci_release_regions(cobalt->pci_dev); 780 pci_disable_device(cobalt->pci_dev); 781 destroy_workqueue(cobalt->irq_work_queues); 782 783 cobalt_info("removed cobalt card\n"); 784 785 v4l2_device_unregister(v4l2_dev); 786 kfree(cobalt); 787 } 788 789 /* define a pci_driver for card detection */ 790 static struct pci_driver cobalt_pci_driver = { 791 .name = "cobalt", 792 .id_table = cobalt_pci_tbl, 793 .probe = cobalt_probe, 794 .remove = cobalt_remove, 795 }; 796 797 module_pci_driver(cobalt_pci_driver); 798