drivers/media/pci/cx88/cx88-blackbird.c

   1 /*
   2  *  Support for a cx23416 mpeg encoder via cx2388x host port.
   3  *  "blackbird" reference design.
   4  *
   5  *    (c) 2004 Jelle Foks <jelle@foks.us>
   6  *    (c) 2004 Gerd Knorr <kraxel@bytesex.org>
   7  *
   8  *    (c) 2005-2006 Mauro Carvalho Chehab <mchehab@kernel.org>
   9  *        - video_ioctl2 conversion
  10  *
  11  *  Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/>
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or
  16  *  (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  */
  23
  24 #include "cx88.h"
  25
  26 #include <linux/module.h>
  27 #include <linux/init.h>
  28 #include <linux/slab.h>
  29 #include <linux/fs.h>
  30 #include <linux/delay.h>
  31 #include <linux/device.h>
  32 #include <linux/firmware.h>
  33 #include <media/v4l2-common.h>
  34 #include <media/v4l2-ioctl.h>
  35 #include <media/v4l2-event.h>
  36 #include <media/drv-intf/cx2341x.h>
  37
  38 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
  39 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  40 MODULE_LICENSE("GPL");
  41 MODULE_VERSION(CX88_VERSION);
  42
  43 static unsigned int debug;
  44 module_param(debug, int, 0644);
  45 MODULE_PARM_DESC(debug, "enable debug messages [blackbird]");
  46
  47 #define dprintk(level, fmt, arg...) do {                                \
  48         if (debug + 1 > level)                                          \
  49                 printk(KERN_DEBUG pr_fmt("%s: blackbird:" fmt),         \
  50                         __func__, ##arg);                               \
  51 } while (0)
  52
  53 /* ------------------------------------------------------------------ */
  54
  55 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
  56
  57 /* defines below are from ivtv-driver.h */
  58
  59 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
  60
  61 /* Firmware API commands */
  62 #define IVTV_API_STD_TIMEOUT 500
  63
  64 enum blackbird_capture_type {
  65         BLACKBIRD_MPEG_CAPTURE,
  66         BLACKBIRD_RAW_CAPTURE,
  67         BLACKBIRD_RAW_PASSTHRU_CAPTURE
  68 };
  69
  70 enum blackbird_capture_bits {
  71         BLACKBIRD_RAW_BITS_NONE             = 0x00,
  72         BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
  73         BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
  74         BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
  75         BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
  76         BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
  77 };
  78
  79 enum blackbird_capture_end {
  80         BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
  81         BLACKBIRD_END_NOW, /* stop immediately, no irq */
  82 };
  83
  84 enum blackbird_framerate {
  85         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
  86         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
  87 };
  88
  89 enum blackbird_stream_port {
  90         BLACKBIRD_OUTPUT_PORT_MEMORY,
  91         BLACKBIRD_OUTPUT_PORT_STREAMING,
  92         BLACKBIRD_OUTPUT_PORT_SERIAL
  93 };
  94
  95 enum blackbird_data_xfer_status {
  96         BLACKBIRD_MORE_BUFFERS_FOLLOW,
  97         BLACKBIRD_LAST_BUFFER,
  98 };
  99
 100 enum blackbird_picture_mask {
 101         BLACKBIRD_PICTURE_MASK_NONE,
 102         BLACKBIRD_PICTURE_MASK_I_FRAMES,
 103         BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
 104         BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
 105 };
 106
 107 enum blackbird_vbi_mode_bits {
 108         BLACKBIRD_VBI_BITS_SLICED,
 109         BLACKBIRD_VBI_BITS_RAW,
 110 };
 111
 112 enum blackbird_vbi_insertion_bits {
 113         BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 114         BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 115         BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 116         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 117         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 118 };
 119
 120 enum blackbird_dma_unit {
 121         BLACKBIRD_DMA_BYTES,
 122         BLACKBIRD_DMA_FRAMES,
 123 };
 124
 125 enum blackbird_dma_transfer_status_bits {
 126         BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
 127         BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
 128         BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 129 };
 130
 131 enum blackbird_pause {
 132         BLACKBIRD_PAUSE_ENCODING,
 133         BLACKBIRD_RESUME_ENCODING,
 134 };
 135
 136 enum blackbird_copyright {
 137         BLACKBIRD_COPYRIGHT_OFF,
 138         BLACKBIRD_COPYRIGHT_ON,
 139 };
 140
 141 enum blackbird_notification_type {
 142         BLACKBIRD_NOTIFICATION_REFRESH,
 143 };
 144
 145 enum blackbird_notification_status {
 146         BLACKBIRD_NOTIFICATION_OFF,
 147         BLACKBIRD_NOTIFICATION_ON,
 148 };
 149
 150 enum blackbird_notification_mailbox {
 151         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 152 };
 153
 154 enum blackbird_field1_lines {
 155         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 156         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 157         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 158 };
 159
 160 enum blackbird_field2_lines {
 161         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 162         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 163         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 164 };
 165
 166 enum blackbird_custom_data_type {
 167         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 168         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 169 };
 170
 171 enum blackbird_mute {
 172         BLACKBIRD_UNMUTE,
 173         BLACKBIRD_MUTE,
 174 };
 175
 176 enum blackbird_mute_video_mask {
 177         BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
 178         BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
 179         BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
 180 };
 181
 182 enum blackbird_mute_video_shift {
 183         BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
 184         BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
 185         BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
 186 };
 187
 188 /* Registers */
 189 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
 190 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
 191 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
 192 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
 193 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
 194 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
 195
 196 /* ------------------------------------------------------------------ */
 197
 198 static void host_setup(struct cx88_core *core)
 199 {
 200         /* toggle reset of the host */
 201         cx_write(MO_GPHST_SOFT_RST, 1);
 202         udelay(100);
 203         cx_write(MO_GPHST_SOFT_RST, 0);
 204         udelay(100);
 205
 206         /* host port setup */
 207         cx_write(MO_GPHST_WSC, 0x44444444U);
 208         cx_write(MO_GPHST_XFR, 0);
 209         cx_write(MO_GPHST_WDTH, 15);
 210         cx_write(MO_GPHST_HDSHK, 0);
 211         cx_write(MO_GPHST_MUX16, 0x44448888U);
 212         cx_write(MO_GPHST_MODE, 0);
 213 }
 214
 215 /* ------------------------------------------------------------------ */
 216
 217 #define P1_MDATA0 0x390000
 218 #define P1_MDATA1 0x390001
 219 #define P1_MDATA2 0x390002
 220 #define P1_MDATA3 0x390003
 221 #define P1_MADDR2 0x390004
 222 #define P1_MADDR1 0x390005
 223 #define P1_MADDR0 0x390006
 224 #define P1_RDATA0 0x390008
 225 #define P1_RDATA1 0x390009
 226 #define P1_RDATA2 0x39000A
 227 #define P1_RDATA3 0x39000B
 228 #define P1_RADDR0 0x39000C
 229 #define P1_RADDR1 0x39000D
 230 #define P1_RRDWR  0x39000E
 231
 232 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 233 {
 234         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 235         u32 gpio0, need;
 236
 237         need = state ? 2 : 0;
 238         for (;;) {
 239                 gpio0 = cx_read(MO_GP0_IO) & 2;
 240                 if (need == gpio0)
 241                         return 0;
 242                 if (time_after(jiffies, timeout))
 243                         return -1;
 244                 udelay(1);
 245         }
 246 }
 247
 248 static int memory_write(struct cx88_core *core, u32 address, u32 value)
 249 {
 250         /* Warning: address is dword address (4 bytes) */
 251         cx_writeb(P1_MDATA0, (unsigned int)value);
 252         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
 253         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
 254         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
 255         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
 256         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 257         cx_writeb(P1_MADDR0, (unsigned int)address);
 258         cx_read(P1_MDATA0);
 259         cx_read(P1_MADDR0);
 260
 261         return wait_ready_gpio0_bit1(core, 1);
 262 }
 263
 264 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 265 {
 266         int retval;
 267         u32 val;
 268
 269         /* Warning: address is dword address (4 bytes) */
 270         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
 271         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 272         cx_writeb(P1_MADDR0, (unsigned int)address);
 273         cx_read(P1_MADDR0);
 274
 275         retval = wait_ready_gpio0_bit1(core, 1);
 276
 277         cx_writeb(P1_MDATA3, 0);
 278         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
 279         cx_writeb(P1_MDATA2, 0);
 280         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
 281         cx_writeb(P1_MDATA1, 0);
 282         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
 283         cx_writeb(P1_MDATA0, 0);
 284         val    |= (unsigned char)cx_read(P1_MDATA0);
 285
 286         *value  = val;
 287         return retval;
 288 }
 289
 290 static int register_write(struct cx88_core *core, u32 address, u32 value)
 291 {
 292         cx_writeb(P1_RDATA0, (unsigned int)value);
 293         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
 294         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
 295         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
 296         cx_writeb(P1_RADDR0, (unsigned int)address);
 297         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 298         cx_writeb(P1_RRDWR, 1);
 299         cx_read(P1_RDATA0);
 300         cx_read(P1_RADDR0);
 301
 302         return wait_ready_gpio0_bit1(core, 1);
 303 }
 304
 305 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 306 {
 307         int retval;
 308         u32 val;
 309
 310         cx_writeb(P1_RADDR0, (unsigned int)address);
 311         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 312         cx_writeb(P1_RRDWR, 0);
 313         cx_read(P1_RADDR0);
 314
 315         retval  = wait_ready_gpio0_bit1(core, 1);
 316         val     = (unsigned char)cx_read(P1_RDATA0);
 317         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 318         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
 319         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
 320
 321         *value  = val;
 322         return retval;
 323 }
 324
 325 /* ------------------------------------------------------------------ */
 326
 327 static int blackbird_mbox_func(void *priv, u32 command, int in,
 328                                int out, u32 data[CX2341X_MBOX_MAX_DATA])
 329 {
 330         struct cx8802_dev *dev = priv;
 331         unsigned long timeout;
 332         u32 value, flag, retval;
 333         int i;
 334
 335         dprintk(1, "%s: 0x%X\n", __func__, command);
 336
 337         /*
 338          * this may not be 100% safe if we can't read any memory location
 339          * without side effects
 340          */
 341         memory_read(dev->core, dev->mailbox - 4, &value);
 342         if (value != 0x12345678) {
 343                 dprintk(0,
 344                         "Firmware and/or mailbox pointer not initialized or corrupted\n");
 345                 return -EIO;
 346         }
 347
 348         memory_read(dev->core, dev->mailbox, &flag);
 349         if (flag) {
 350                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 351                 return -EIO;
 352         }
 353
 354         flag |= 1; /* tell 'em we're working on it */
 355         memory_write(dev->core, dev->mailbox, flag);
 356
 357         /* write command + args + fill remaining with zeros */
 358         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 359         /* timeout */
 360         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT);
 361         for (i = 0; i < in; i++) {
 362                 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
 363                 dprintk(1, "API Input %d = %d\n", i, data[i]);
 364         }
 365         for (; i < CX2341X_MBOX_MAX_DATA; i++)
 366                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
 367
 368         flag |= 3; /* tell 'em we're done writing */
 369         memory_write(dev->core, dev->mailbox, flag);
 370
 371         /* wait for firmware to handle the API command */
 372         timeout = jiffies + msecs_to_jiffies(1000);
 373         for (;;) {
 374                 memory_read(dev->core, dev->mailbox, &flag);
 375                 if (0 != (flag & 4))
 376                         break;
 377                 if (time_after(jiffies, timeout)) {
 378                         dprintk(0, "ERROR: API Mailbox timeout %x\n", command);
 379                         return -EIO;
 380                 }
 381                 udelay(10);
 382         }
 383
 384         /* read output values */
 385         for (i = 0; i < out; i++) {
 386                 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
 387                 dprintk(1, "API Output %d = %d\n", i, data[i]);
 388         }
 389
 390         memory_read(dev->core, dev->mailbox + 2, &retval);
 391         dprintk(1, "API result = %d\n", retval);
 392
 393         flag = 0;
 394         memory_write(dev->core, dev->mailbox, flag);
 395         return retval;
 396 }
 397
 398 /* ------------------------------------------------------------------ */
 399
 400 /*
 401  * We don't need to call the API often, so using just one mailbox
 402  * will probably suffice
 403  */
 404 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 405                              u32 inputcnt, u32 outputcnt, ...)
 406 {
 407         u32 data[CX2341X_MBOX_MAX_DATA];
 408         va_list vargs;
 409         int i, err;
 410
 411         va_start(vargs, outputcnt);
 412
 413         for (i = 0; i < inputcnt; i++)
 414                 data[i] = va_arg(vargs, int);
 415
 416         err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
 417         for (i = 0; i < outputcnt; i++) {
 418                 int *vptr = va_arg(vargs, int *);
 419                 *vptr = data[i];
 420         }
 421         va_end(vargs);
 422         return err;
 423 }
 424
 425 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 426 {
 427         u32 signature[4] = {0x12345678, 0x34567812, 0x56781234, 0x78123456};
 428         int signaturecnt = 0;
 429         u32 value;
 430         int i;
 431
 432         for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 433                 memory_read(dev->core, i, &value);
 434                 if (value == signature[signaturecnt])
 435                         signaturecnt++;
 436                 else
 437                         signaturecnt = 0;
 438                 if (signaturecnt == 4) {
 439                         dprintk(1, "Mailbox signature found\n");
 440                         return i + 1;
 441                 }
 442         }
 443         dprintk(0, "Mailbox signature values not found!\n");
 444         return -EIO;
 445 }
 446
 447 static int blackbird_load_firmware(struct cx8802_dev *dev)
 448 {
 449         static const unsigned char magic[8] = {
 450                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 451         };
 452         const struct firmware *firmware;
 453         int i, retval = 0;
 454         u32 value = 0;
 455         u32 checksum = 0;
 456         __le32 *dataptr;
 457
 458         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 459         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS,
 460                                  IVTV_CMD_HW_BLOCKS_RST);
 461         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH,
 462                                  0x80000640);
 463         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE,
 464                                  0x1A);
 465         usleep_range(10000, 20000);
 466         retval |= register_write(dev->core, IVTV_REG_APU, 0);
 467
 468         if (retval < 0)
 469                 dprintk(0, "Error with register_write\n");
 470
 471         retval = reject_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
 472                                   &dev->pci->dev);
 473
 474         if (retval != 0) {
 475                 pr_err("Hotplug firmware request failed (%s).\n",
 476                        CX2341X_FIRM_ENC_FILENAME);
 477                 pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n");
 478                 return -EIO;
 479         }
 480
 481         if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 482                 pr_err("Firmware size mismatch (have %zd, expected %d)\n",
 483                        firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 484                 release_firmware(firmware);
 485                 return -EINVAL;
 486         }
 487
 488         if (memcmp(firmware->data, magic, 8) != 0) {
 489                 pr_err("Firmware magic mismatch, wrong file?\n");
 490                 release_firmware(firmware);
 491                 return -EINVAL;
 492         }
 493
 494         /* transfer to the chip */
 495         dprintk(1, "Loading firmware ...\n");
 496         dataptr = (__le32 *)firmware->data;
 497         for (i = 0; i < (firmware->size >> 2); i++) {
 498                 value = le32_to_cpu(*dataptr);
 499                 checksum += ~value;
 500                 memory_write(dev->core, i, value);
 501                 dataptr++;
 502         }
 503
 504         /* read back to verify with the checksum */
 505         for (i--; i >= 0; i--) {
 506                 memory_read(dev->core, i, &value);
 507                 checksum -= ~value;
 508         }
 509         release_firmware(firmware);
 510         if (checksum) {
 511                 pr_err("Firmware load might have failed (checksum mismatch).\n");
 512                 return -EIO;
 513         }
 514         dprintk(0, "Firmware upload successful.\n");
 515
 516         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS,
 517                                  IVTV_CMD_HW_BLOCKS_RST);
 518         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 519         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 520         usleep_range(10000, 20000);
 521
 522         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 523         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 524
 525         if (retval < 0)
 526                 dprintk(0, "Error with register_write\n");
 527         return 0;
 528 }
 529
 530 /*
 531  * Settings used by the windows tv app for PVR2000:
 532  * =================================================================================================================
 533  * Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 534  * -----------------------------------------------------------------------------------------------------------------
 535  * MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 536  * MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 537  * VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 538  * DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 539  * DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 540  * =================================================================================================================
 541  * [*] DB: "DirectBurn"
 542  */
 543
 544 static void blackbird_codec_settings(struct cx8802_dev *dev)
 545 {
 546         struct cx88_core *core = dev->core;
 547
 548         /* assign frame size */
 549         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 550                           core->height, core->width);
 551
 552         dev->cxhdl.width = core->width;
 553         dev->cxhdl.height = core->height;
 554         cx2341x_handler_set_50hz(&dev->cxhdl,
 555                                  dev->core->tvnorm & V4L2_STD_625_50);
 556         cx2341x_handler_setup(&dev->cxhdl);
 557 }
 558
 559 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 560 {
 561         struct cx88_core *core = dev->core;
 562         int version;
 563         int retval;
 564
 565         dprintk(1, "Initialize codec\n");
 566         retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 567         if (retval < 0) {
 568                 /* ping was not successful, reset and upload firmware */
 569                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 570                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 571                 retval = blackbird_load_firmware(dev);
 572                 if (retval < 0)
 573                         return retval;
 574
 575                 retval = blackbird_find_mailbox(dev);
 576                 if (retval < 0)
 577                         return -1;
 578
 579                 dev->mailbox = retval;
 580
 581                 /* ping */
 582                 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
 583                 if (retval < 0) {
 584                         dprintk(0, "ERROR: Firmware ping failed!\n");
 585                         return -1;
 586                 }
 587
 588                 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION,
 589                                            0, 1, &version);
 590                 if (retval < 0) {
 591                         dprintk(0,
 592                                 "ERROR: Firmware get encoder version failed!\n");
 593                         return -1;
 594                 }
 595                 dprintk(0, "Firmware version is 0x%08x\n", version);
 596         }
 597
 598         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 599         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 600         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 601         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 602
 603         blackbird_codec_settings(dev);
 604
 605         blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
 606                           BLACKBIRD_FIELD1_SAA7115, BLACKBIRD_FIELD2_SAA7115);
 607
 608         blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
 609                           BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 610                           0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 611
 612         return 0;
 613 }
 614
 615 static int blackbird_start_codec(struct cx8802_dev *dev)
 616 {
 617         struct cx88_core *core = dev->core;
 618         /* start capturing to the host interface */
 619         u32 reg;
 620
 621         int i;
 622         int lastchange = -1;
 623         int lastval = 0;
 624
 625         for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
 626                 reg = cx_read(AUD_STATUS);
 627
 628                 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
 629                 if ((reg & 0x0F) != lastval) {
 630                         lastval = reg & 0x0F;
 631                         lastchange = i;
 632                 }
 633                 msleep(100);
 634         }
 635
 636         /* unmute audio source */
 637         cx_clear(AUD_VOL_CTL, (1 << 6));
 638
 639         blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
 640
 641         /* initialize the video input */
 642         blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
 643
 644         cx2341x_handler_set_busy(&dev->cxhdl, 1);
 645
 646         /* start capturing to the host interface */
 647         blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
 648                           BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE);
 649
 650         return 0;
 651 }
 652
 653 static int blackbird_stop_codec(struct cx8802_dev *dev)
 654 {
 655         blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
 656                           BLACKBIRD_END_NOW,
 657                           BLACKBIRD_MPEG_CAPTURE,
 658                           BLACKBIRD_RAW_BITS_NONE);
 659
 660         cx2341x_handler_set_busy(&dev->cxhdl, 0);
 661
 662         return 0;
 663 }
 664
 665 /* ------------------------------------------------------------------ */
 666
 667 static int queue_setup(struct vb2_queue *q,
 668                        unsigned int *num_buffers, unsigned int *num_planes,
 669                        unsigned int sizes[], struct device *alloc_devs[])
 670 {
 671         struct cx8802_dev *dev = q->drv_priv;
 672
 673         *num_planes = 1;
 674         dev->ts_packet_size  = 188 * 4;
 675         dev->ts_packet_count  = 32;
 676         sizes[0] = dev->ts_packet_size * dev->ts_packet_count;
 677         return 0;
 678 }
 679
 680 static int buffer_prepare(struct vb2_buffer *vb)
 681 {
 682         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 683         struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
 684         struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
 685
 686         return cx8802_buf_prepare(vb->vb2_queue, dev, buf);
 687 }
 688
 689 static void buffer_finish(struct vb2_buffer *vb)
 690 {
 691         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 692         struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
 693         struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
 694         struct cx88_riscmem *risc = &buf->risc;
 695
 696         if (risc->cpu)
 697                 pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
 698         memset(risc, 0, sizeof(*risc));
 699 }
 700
 701 static void buffer_queue(struct vb2_buffer *vb)
 702 {
 703         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 704         struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
 705         struct cx88_buffer    *buf = container_of(vbuf, struct cx88_buffer, vb);
 706
 707         cx8802_buf_queue(dev, buf);
 708 }
 709
 710 static int start_streaming(struct vb2_queue *q, unsigned int count)
 711 {
 712         struct cx8802_dev *dev = q->drv_priv;
 713         struct cx88_dmaqueue *dmaq = &dev->mpegq;
 714         struct cx8802_driver *drv;
 715         struct cx88_buffer *buf;
 716         unsigned long flags;
 717         int err;
 718
 719         /* Make sure we can acquire the hardware */
 720         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
 721         if (!drv) {
 722                 dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
 723                 err = -ENODEV;
 724                 goto fail;
 725         }
 726
 727         err = drv->request_acquire(drv);
 728         if (err != 0) {
 729                 dprintk(1, "%s: Unable to acquire hardware, %d\n", __func__,
 730                         err);
 731                 goto fail;
 732         }
 733
 734         if (blackbird_initialize_codec(dev) < 0) {
 735                 drv->request_release(drv);
 736                 err = -EINVAL;
 737                 goto fail;
 738         }
 739
 740         err = blackbird_start_codec(dev);
 741         if (err == 0) {
 742                 buf = list_entry(dmaq->active.next, struct cx88_buffer, list);
 743                 cx8802_start_dma(dev, dmaq, buf);
 744                 return 0;
 745         }
 746
 747 fail:
 748         spin_lock_irqsave(&dev->slock, flags);
 749         while (!list_empty(&dmaq->active)) {
 750                 struct cx88_buffer *buf = list_entry(dmaq->active.next,
 751                         struct cx88_buffer, list);
 752
 753                 list_del(&buf->list);
 754                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED);
 755         }
 756         spin_unlock_irqrestore(&dev->slock, flags);
 757         return err;
 758 }
 759
 760 static void stop_streaming(struct vb2_queue *q)
 761 {
 762         struct cx8802_dev *dev = q->drv_priv;
 763         struct cx88_dmaqueue *dmaq = &dev->mpegq;
 764         struct cx8802_driver *drv = NULL;
 765         unsigned long flags;
 766
 767         cx8802_cancel_buffers(dev);
 768         blackbird_stop_codec(dev);
 769
 770         /* Make sure we release the hardware */
 771         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
 772         WARN_ON(!drv);
 773         if (drv)
 774                 drv->request_release(drv);
 775
 776         spin_lock_irqsave(&dev->slock, flags);
 777         while (!list_empty(&dmaq->active)) {
 778                 struct cx88_buffer *buf = list_entry(dmaq->active.next,
 779                         struct cx88_buffer, list);
 780
 781                 list_del(&buf->list);
 782                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 783         }
 784         spin_unlock_irqrestore(&dev->slock, flags);
 785 }
 786
 787 static const struct vb2_ops blackbird_qops = {
 788         .queue_setup    = queue_setup,
 789         .buf_prepare  = buffer_prepare,
 790         .buf_finish = buffer_finish,
 791         .buf_queue    = buffer_queue,
 792         .wait_prepare = vb2_ops_wait_prepare,
 793         .wait_finish = vb2_ops_wait_finish,
 794         .start_streaming = start_streaming,
 795         .stop_streaming = stop_streaming,
 796 };
 797
 798 /* ------------------------------------------------------------------ */
 799
 800 static int vidioc_querycap(struct file *file, void  *priv,
 801                            struct v4l2_capability *cap)
 802 {
 803         struct cx8802_dev *dev = video_drvdata(file);
 804         struct cx88_core *core = dev->core;
 805
 806         strcpy(cap->driver, "cx88_blackbird");
 807         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
 808         return cx88_querycap(file, core, cap);
 809 }
 810
 811 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 812                                    struct v4l2_fmtdesc *f)
 813 {
 814         if (f->index != 0)
 815                 return -EINVAL;
 816
 817         strlcpy(f->description, "MPEG", sizeof(f->description));
 818         f->pixelformat = V4L2_PIX_FMT_MPEG;
 819         f->flags = V4L2_FMT_FLAG_COMPRESSED;
 820         return 0;
 821 }
 822
 823 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 824                                 struct v4l2_format *f)
 825 {
 826         struct cx8802_dev *dev = video_drvdata(file);
 827         struct cx88_core *core = dev->core;
 828
 829         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 830         f->fmt.pix.bytesperline = 0;
 831         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count;
 832         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 833         f->fmt.pix.width        = core->width;
 834         f->fmt.pix.height       = core->height;
 835         f->fmt.pix.field        = core->field;
 836         return 0;
 837 }
 838
 839 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 840                                   struct v4l2_format *f)
 841 {
 842         struct cx8802_dev *dev = video_drvdata(file);
 843         struct cx88_core *core = dev->core;
 844         unsigned int maxw, maxh;
 845         enum v4l2_field field;
 846
 847         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 848         f->fmt.pix.bytesperline = 0;
 849         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count;
 850         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 851
 852         maxw = norm_maxw(core->tvnorm);
 853         maxh = norm_maxh(core->tvnorm);
 854
 855         field = f->fmt.pix.field;
 856
 857         switch (field) {
 858         case V4L2_FIELD_TOP:
 859         case V4L2_FIELD_BOTTOM:
 860         case V4L2_FIELD_INTERLACED:
 861         case V4L2_FIELD_SEQ_BT:
 862         case V4L2_FIELD_SEQ_TB:
 863                 break;
 864         default:
 865                 field = (f->fmt.pix.height > maxh / 2)
 866                         ? V4L2_FIELD_INTERLACED
 867                         : V4L2_FIELD_BOTTOM;
 868                 break;
 869         }
 870         if (V4L2_FIELD_HAS_T_OR_B(field))
 871                 maxh /= 2;
 872
 873         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
 874                               &f->fmt.pix.height, 32, maxh, 0, 0);
 875         f->fmt.pix.field = field;
 876         return 0;
 877 }
 878
 879 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 880                                 struct v4l2_format *f)
 881 {
 882         struct cx8802_dev *dev = video_drvdata(file);
 883         struct cx88_core  *core = dev->core;
 884
 885         if (vb2_is_busy(&dev->vb2_mpegq))
 886                 return -EBUSY;
 887         if (core->v4ldev && (vb2_is_busy(&core->v4ldev->vb2_vidq) ||
 888                              vb2_is_busy(&core->v4ldev->vb2_vbiq)))
 889                 return -EBUSY;
 890         vidioc_try_fmt_vid_cap(file, priv, f);
 891         core->width = f->fmt.pix.width;
 892         core->height = f->fmt.pix.height;
 893         core->field = f->fmt.pix.field;
 894         cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height,
 895                        f->fmt.pix.field);
 896         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 897                           f->fmt.pix.height, f->fmt.pix.width);
 898         return 0;
 899 }
 900
 901 static int vidioc_s_frequency(struct file *file, void *priv,
 902                               const struct v4l2_frequency *f)
 903 {
 904         struct cx8802_dev *dev = video_drvdata(file);
 905         struct cx88_core *core = dev->core;
 906         bool streaming;
 907
 908         if (unlikely(core->board.tuner_type == UNSET))
 909                 return -EINVAL;
 910         if (unlikely(f->tuner != 0))
 911                 return -EINVAL;
 912         streaming = vb2_start_streaming_called(&dev->vb2_mpegq);
 913         if (streaming)
 914                 blackbird_stop_codec(dev);
 915
 916         cx88_set_freq(core, f);
 917         blackbird_initialize_codec(dev);
 918         cx88_set_scale(core, core->width, core->height, core->field);
 919         if (streaming)
 920                 blackbird_start_codec(dev);
 921         return 0;
 922 }
 923
 924 static int vidioc_log_status(struct file *file, void *priv)
 925 {
 926         struct cx8802_dev *dev = video_drvdata(file);
 927         struct cx88_core *core = dev->core;
 928         char name[32 + 2];
 929
 930         snprintf(name, sizeof(name), "%s/2", core->name);
 931         call_all(core, core, log_status);
 932         v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
 933         return 0;
 934 }
 935
 936 static int vidioc_enum_input(struct file *file, void *priv,
 937                              struct v4l2_input *i)
 938 {
 939         struct cx8802_dev *dev = video_drvdata(file);
 940         struct cx88_core *core = dev->core;
 941
 942         return cx88_enum_input(core, i);
 943 }
 944
 945 static int vidioc_g_frequency(struct file *file, void *priv,
 946                               struct v4l2_frequency *f)
 947 {
 948         struct cx8802_dev *dev = video_drvdata(file);
 949         struct cx88_core *core = dev->core;
 950
 951         if (unlikely(core->board.tuner_type == UNSET))
 952                 return -EINVAL;
 953         if (unlikely(f->tuner != 0))
 954                 return -EINVAL;
 955
 956         f->frequency = core->freq;
 957         call_all(core, tuner, g_frequency, f);
 958
 959         return 0;
 960 }
 961
 962 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 963 {
 964         struct cx8802_dev *dev = video_drvdata(file);
 965         struct cx88_core *core = dev->core;
 966
 967         *i = core->input;
 968         return 0;
 969 }
 970
 971 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 972 {
 973         struct cx8802_dev *dev = video_drvdata(file);
 974         struct cx88_core *core = dev->core;
 975
 976         if (i >= 4)
 977                 return -EINVAL;
 978         if (!INPUT(i).type)
 979                 return -EINVAL;
 980
 981         cx88_newstation(core);
 982         cx88_video_mux(core, i);
 983         return 0;
 984 }
 985
 986 static int vidioc_g_tuner(struct file *file, void *priv,
 987                           struct v4l2_tuner *t)
 988 {
 989         struct cx8802_dev *dev = video_drvdata(file);
 990         struct cx88_core *core = dev->core;
 991         u32 reg;
 992
 993         if (unlikely(core->board.tuner_type == UNSET))
 994                 return -EINVAL;
 995         if (t->index != 0)
 996                 return -EINVAL;
 997
 998         strcpy(t->name, "Television");
 999         t->capability = V4L2_TUNER_CAP_NORM;
1000         t->rangehigh  = 0xffffffffUL;
1001         call_all(core, tuner, g_tuner, t);
1002
1003         cx88_get_stereo(core, t);
1004         reg = cx_read(MO_DEVICE_STATUS);
1005         t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
1006         return 0;
1007 }
1008
1009 static int vidioc_s_tuner(struct file *file, void *priv,
1010                           const struct v4l2_tuner *t)
1011 {
1012         struct cx8802_dev *dev = video_drvdata(file);
1013         struct cx88_core *core = dev->core;
1014
1015         if (core->board.tuner_type == UNSET)
1016                 return -EINVAL;
1017         if (t->index != 0)
1018                 return -EINVAL;
1019
1020         cx88_set_stereo(core, t->audmode, 1);
1021         return 0;
1022 }
1023
1024 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1025 {
1026         struct cx8802_dev *dev = video_drvdata(file);
1027         struct cx88_core *core = dev->core;
1028
1029         *tvnorm = core->tvnorm;
1030         return 0;
1031 }
1032
1033 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
1034 {
1035         struct cx8802_dev *dev = video_drvdata(file);
1036         struct cx88_core *core = dev->core;
1037
1038         return cx88_set_tvnorm(core, id);
1039 }
1040
1041 static const struct v4l2_file_operations mpeg_fops = {
1042         .owner         = THIS_MODULE,
1043         .open          = v4l2_fh_open,
1044         .release       = vb2_fop_release,
1045         .read          = vb2_fop_read,
1046         .poll          = vb2_fop_poll,
1047         .mmap          = vb2_fop_mmap,
1048         .unlocked_ioctl = video_ioctl2,
1049 };
1050
1051 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1052         .vidioc_querycap      = vidioc_querycap,
1053         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1054         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1055         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1056         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1057         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1058         .vidioc_querybuf      = vb2_ioctl_querybuf,
1059         .vidioc_qbuf          = vb2_ioctl_qbuf,
1060         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1061         .vidioc_streamon      = vb2_ioctl_streamon,
1062         .vidioc_streamoff     = vb2_ioctl_streamoff,
1063         .vidioc_s_frequency   = vidioc_s_frequency,
1064         .vidioc_log_status    = vidioc_log_status,
1065         .vidioc_enum_input    = vidioc_enum_input,
1066         .vidioc_g_frequency   = vidioc_g_frequency,
1067         .vidioc_g_input       = vidioc_g_input,
1068         .vidioc_s_input       = vidioc_s_input,
1069         .vidioc_g_tuner       = vidioc_g_tuner,
1070         .vidioc_s_tuner       = vidioc_s_tuner,
1071         .vidioc_g_std         = vidioc_g_std,
1072         .vidioc_s_std         = vidioc_s_std,
1073         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1074         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1075 };
1076
1077 static const struct video_device cx8802_mpeg_template = {
1078         .name                 = "cx8802",
1079         .fops                 = &mpeg_fops,
1080         .ioctl_ops            = &mpeg_ioctl_ops,
1081         .tvnorms              = CX88_NORMS,
1082 };
1083
1084 /* ------------------------------------------------------------------ */
1085
1086 /* The CX8802 MPEG API will call this when we can use the hardware */
1087 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1088 {
1089         struct cx88_core *core = drv->core;
1090         int err = 0;
1091
1092         switch (core->boardnr) {
1093         case CX88_BOARD_HAUPPAUGE_HVR1300:
1094                 /*
1095                  * By default, core setup will leave the cx22702 out of reset,
1096                  * on the bus.
1097                  * We left the hardware on power up with the cx22702 active.
1098                  * We're being given access to re-arrange the GPIOs.
1099                  * Take the bus off the cx22702 and put the cx23416 on it.
1100                  */
1101                 /* Toggle reset on cx22702 leaving i2c active */
1102                 cx_set(MO_GP0_IO, 0x00000080);
1103                 udelay(1000);
1104                 cx_clear(MO_GP0_IO, 0x00000080);
1105                 udelay(50);
1106                 cx_set(MO_GP0_IO, 0x00000080);
1107                 udelay(1000);
1108                 /* tri-state the cx22702 pins */
1109                 cx_set(MO_GP0_IO, 0x00000004);
1110                 udelay(1000);
1111                 break;
1112         default:
1113                 err = -ENODEV;
1114         }
1115         return err;
1116 }
1117
1118 /* The CX8802 MPEG API will call this when we need to release the hardware */
1119 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1120 {
1121         struct cx88_core *core = drv->core;
1122         int err = 0;
1123
1124         switch (core->boardnr) {
1125         case CX88_BOARD_HAUPPAUGE_HVR1300:
1126                 /* Exit leaving the cx23416 on the bus */
1127                 break;
1128         default:
1129                 err = -ENODEV;
1130         }
1131         return err;
1132 }
1133
1134 static void blackbird_unregister_video(struct cx8802_dev *dev)
1135 {
1136         video_unregister_device(&dev->mpeg_dev);
1137 }
1138
1139 static int blackbird_register_video(struct cx8802_dev *dev)
1140 {
1141         int err;
1142
1143         cx88_vdev_init(dev->core, dev->pci, &dev->mpeg_dev,
1144                        &cx8802_mpeg_template, "mpeg");
1145         dev->mpeg_dev.ctrl_handler = &dev->cxhdl.hdl;
1146         video_set_drvdata(&dev->mpeg_dev, dev);
1147         dev->mpeg_dev.queue = &dev->vb2_mpegq;
1148         err = video_register_device(&dev->mpeg_dev, VFL_TYPE_GRABBER, -1);
1149         if (err < 0) {
1150                 pr_info("can't register mpeg device\n");
1151                 return err;
1152         }
1153         pr_info("registered device %s [mpeg]\n",
1154                 video_device_node_name(&dev->mpeg_dev));
1155         return 0;
1156 }
1157
1158 /* ----------------------------------------------------------- */
1159
1160 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1161 {
1162         struct cx88_core *core = drv->core;
1163         struct cx8802_dev *dev = core->dvbdev;
1164         struct vb2_queue *q;
1165         int err;
1166
1167         dprintk(1, "%s\n", __func__);
1168         dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1169                 core->boardnr,
1170                 core->name,
1171                 core->pci_bus,
1172                 core->pci_slot);
1173
1174         err = -ENODEV;
1175         if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1176                 goto fail_core;
1177
1178         dev->cxhdl.port = CX2341X_PORT_STREAMING;
1179         dev->cxhdl.width = core->width;
1180         dev->cxhdl.height = core->height;
1181         dev->cxhdl.func = blackbird_mbox_func;
1182         dev->cxhdl.priv = dev;
1183         err = cx2341x_handler_init(&dev->cxhdl, 36);
1184         if (err)
1185                 goto fail_core;
1186         v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL);
1187
1188         /* blackbird stuff */
1189         pr_info("cx23416 based mpeg encoder (blackbird reference design)\n");
1190         host_setup(dev->core);
1191
1192         blackbird_initialize_codec(dev);
1193
1194         /* initial device configuration: needed ? */
1195 //      init_controls(core);
1196         cx88_set_tvnorm(core, core->tvnorm);
1197         cx88_video_mux(core, 0);
1198         cx2341x_handler_set_50hz(&dev->cxhdl, core->height == 576);
1199         cx2341x_handler_setup(&dev->cxhdl);
1200
1201         q = &dev->vb2_mpegq;
1202         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1203         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1204         q->gfp_flags = GFP_DMA32;
1205         q->min_buffers_needed = 2;
1206         q->drv_priv = dev;
1207         q->buf_struct_size = sizeof(struct cx88_buffer);
1208         q->ops = &blackbird_qops;
1209         q->mem_ops = &vb2_dma_sg_memops;
1210         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1211         q->lock = &core->lock;
1212         q->dev = &dev->pci->dev;
1213
1214         err = vb2_queue_init(q);
1215         if (err < 0)
1216                 goto fail_core;
1217
1218         blackbird_register_video(dev);
1219
1220         return 0;
1221
1222 fail_core:
1223         return err;
1224 }
1225
1226 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1227 {
1228         struct cx88_core *core = drv->core;
1229         struct cx8802_dev *dev = core->dvbdev;
1230
1231         /* blackbird */
1232         blackbird_unregister_video(drv->core->dvbdev);
1233         v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
1234
1235         return 0;
1236 }
1237
1238 static struct cx8802_driver cx8802_blackbird_driver = {
1239         .type_id        = CX88_MPEG_BLACKBIRD,
1240         .hw_access      = CX8802_DRVCTL_SHARED,
1241         .probe          = cx8802_blackbird_probe,
1242         .remove         = cx8802_blackbird_remove,
1243         .advise_acquire = cx8802_blackbird_advise_acquire,
1244         .advise_release = cx8802_blackbird_advise_release,
1245 };
1246
1247 static int __init blackbird_init(void)
1248 {
1249         pr_info("cx2388x blackbird driver version %s loaded\n",
1250                 CX88_VERSION);
1251         return cx8802_register_driver(&cx8802_blackbird_driver);
1252 }
1253
1254 static void __exit blackbird_fini(void)
1255 {
1256         cx8802_unregister_driver(&cx8802_blackbird_driver);
1257 }
1258
1259 module_init(blackbird_init);
1260 module_exit(blackbird_fini);