linux/drivers/media/pci/cobalt/cobalt-driver.c
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   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 */
  27static 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
  33MODULE_DEVICE_TABLE(pci, cobalt_pci_tbl);
  34
  35static atomic_t cobalt_instance = ATOMIC_INIT(0);
  36
  37int cobalt_debug;
  38module_param_named(debug, cobalt_debug, int, 0644);
  39MODULE_PARM_DESC(debug, "Debug level. Default: 0\n");
  40
  41int cobalt_ignore_err;
  42module_param_named(ignore_err, cobalt_ignore_err, int, 0644);
  43MODULE_PARM_DESC(ignore_err,
  44        "If set then ignore missing i2c adapters/receivers. Default: 0\n");
  45
  46MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com> & Morten Hestnes");
  47MODULE_DESCRIPTION("cobalt driver");
  48MODULE_LICENSE("GPL");
  49
  50static 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
  86static 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
 123static 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
 135static 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
 161static 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
 175static 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
 185void 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
 238static 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
 251static 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
 264static 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
 286static 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
 298static 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
 304static 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
 396err_msi:
 397        pci_disable_msi(pci_dev);
 398
 399err_release:
 400        cobalt_pci_iounmap(cobalt, pci_dev);
 401        pci_release_regions(pci_dev);
 402
 403err_disable:
 404        pci_disable_device(cobalt->pci_dev);
 405        return ret;
 406}
 407
 408static 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
 422static 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
 475static 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
 552static 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
 663static 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
 744err_i2c:
 745        cobalt_i2c_exit(cobalt);
 746        cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 0);
 747err_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);
 752err_wq:
 753        destroy_workqueue(cobalt->irq_work_queues);
 754err:
 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
 762static 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 */
 797static 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
 804module_pci_driver(cobalt_pci_driver);
 805