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

   1 /*
   2  *
   3  *  Support for a cx23416 mpeg encoder via cx2388x host port.
   4  *  "blackbird" reference design.
   5  *
   6  *    (c) 2004 Jelle Foks <jelle@foks.us>
   7  *    (c) 2004 Gerd Knorr <kraxel@bytesex.org>
   8  *
   9  *    (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
  10  *        - video_ioctl2 conversion
  11  *
  12  *  Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/>
  13  *
  14  *  This program is free software; you can redistribute it and/or modify
  15  *  it under the terms of the GNU General Public License as published by
  16  *  the Free Software Foundation; either version 2 of the License, or
  17  *  (at your option) any later version.
  18  *
  19  *  This program is distributed in the hope that it will be useful,
  20  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  *  GNU General Public License for more details.
  23  *
  24  *  You should have received a copy of the GNU General Public License
  25  *  along with this program; if not, write to the Free Software
  26  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  27  */
  28
  29 #include <linux/module.h>
  30 #include <linux/init.h>
  31 #include <linux/slab.h>
  32 #include <linux/fs.h>
  33 #include <linux/delay.h>
  34 #include <linux/device.h>
  35 #include <linux/firmware.h>
  36 #include <media/v4l2-common.h>
  37 #include <media/v4l2-ioctl.h>
  38 #include <media/v4l2-event.h>
  39 #include <media/drv-intf/cx2341x.h>
  40
  41 #include "cx88.h"
  42
  43 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
  44 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  45 MODULE_LICENSE("GPL");
  46 MODULE_VERSION(CX88_VERSION);
  47
  48 static unsigned int debug;
  49 module_param(debug,int,0644);
  50 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
  51
  52 #define dprintk(level, fmt, arg...) do {                                      \
  53         if (debug + 1 > level)                                                \
  54                 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg); \
  55 } while(0)
  56
  57 /* ------------------------------------------------------------------ */
  58
  59 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
  60
  61 /* defines below are from ivtv-driver.h */
  62
  63 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
  64
  65 /* Firmware API commands */
  66 #define IVTV_API_STD_TIMEOUT 500
  67
  68 enum blackbird_capture_type {
  69         BLACKBIRD_MPEG_CAPTURE,
  70         BLACKBIRD_RAW_CAPTURE,
  71         BLACKBIRD_RAW_PASSTHRU_CAPTURE
  72 };
  73 enum blackbird_capture_bits {
  74         BLACKBIRD_RAW_BITS_NONE             = 0x00,
  75         BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
  76         BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
  77         BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
  78         BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
  79         BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
  80 };
  81 enum blackbird_capture_end {
  82         BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
  83         BLACKBIRD_END_NOW, /* stop immediately, no irq */
  84 };
  85 enum blackbird_framerate {
  86         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
  87         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
  88 };
  89 enum blackbird_stream_port {
  90         BLACKBIRD_OUTPUT_PORT_MEMORY,
  91         BLACKBIRD_OUTPUT_PORT_STREAMING,
  92         BLACKBIRD_OUTPUT_PORT_SERIAL
  93 };
  94 enum blackbird_data_xfer_status {
  95         BLACKBIRD_MORE_BUFFERS_FOLLOW,
  96         BLACKBIRD_LAST_BUFFER,
  97 };
  98 enum blackbird_picture_mask {
  99         BLACKBIRD_PICTURE_MASK_NONE,
 100         BLACKBIRD_PICTURE_MASK_I_FRAMES,
 101         BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
 102         BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
 103 };
 104 enum blackbird_vbi_mode_bits {
 105         BLACKBIRD_VBI_BITS_SLICED,
 106         BLACKBIRD_VBI_BITS_RAW,
 107 };
 108 enum blackbird_vbi_insertion_bits {
 109         BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 110         BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 111         BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 112         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 113         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 114 };
 115 enum blackbird_dma_unit {
 116         BLACKBIRD_DMA_BYTES,
 117         BLACKBIRD_DMA_FRAMES,
 118 };
 119 enum blackbird_dma_transfer_status_bits {
 120         BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
 121         BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
 122         BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 123 };
 124 enum blackbird_pause {
 125         BLACKBIRD_PAUSE_ENCODING,
 126         BLACKBIRD_RESUME_ENCODING,
 127 };
 128 enum blackbird_copyright {
 129         BLACKBIRD_COPYRIGHT_OFF,
 130         BLACKBIRD_COPYRIGHT_ON,
 131 };
 132 enum blackbird_notification_type {
 133         BLACKBIRD_NOTIFICATION_REFRESH,
 134 };
 135 enum blackbird_notification_status {
 136         BLACKBIRD_NOTIFICATION_OFF,
 137         BLACKBIRD_NOTIFICATION_ON,
 138 };
 139 enum blackbird_notification_mailbox {
 140         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 141 };
 142 enum blackbird_field1_lines {
 143         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 144         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 145         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 146 };
 147 enum blackbird_field2_lines {
 148         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 149         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 150         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 151 };
 152 enum blackbird_custom_data_type {
 153         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 154         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 155 };
 156 enum blackbird_mute {
 157         BLACKBIRD_UNMUTE,
 158         BLACKBIRD_MUTE,
 159 };
 160 enum blackbird_mute_video_mask {
 161         BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
 162         BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
 163         BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
 164 };
 165 enum blackbird_mute_video_shift {
 166         BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
 167         BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
 168         BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
 169 };
 170
 171 /* Registers */
 172 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
 173 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
 174 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
 175 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
 176 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
 177 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
 178
 179 /* ------------------------------------------------------------------ */
 180
 181 static void host_setup(struct cx88_core *core)
 182 {
 183         /* toggle reset of the host */
 184         cx_write(MO_GPHST_SOFT_RST, 1);
 185         udelay(100);
 186         cx_write(MO_GPHST_SOFT_RST, 0);
 187         udelay(100);
 188
 189         /* host port setup */
 190         cx_write(MO_GPHST_WSC, 0x44444444U);
 191         cx_write(MO_GPHST_XFR, 0);
 192         cx_write(MO_GPHST_WDTH, 15);
 193         cx_write(MO_GPHST_HDSHK, 0);
 194         cx_write(MO_GPHST_MUX16, 0x44448888U);
 195         cx_write(MO_GPHST_MODE, 0);
 196 }
 197
 198 /* ------------------------------------------------------------------ */
 199
 200 #define P1_MDATA0 0x390000
 201 #define P1_MDATA1 0x390001
 202 #define P1_MDATA2 0x390002
 203 #define P1_MDATA3 0x390003
 204 #define P1_MADDR2 0x390004
 205 #define P1_MADDR1 0x390005
 206 #define P1_MADDR0 0x390006
 207 #define P1_RDATA0 0x390008
 208 #define P1_RDATA1 0x390009
 209 #define P1_RDATA2 0x39000A
 210 #define P1_RDATA3 0x39000B
 211 #define P1_RADDR0 0x39000C
 212 #define P1_RADDR1 0x39000D
 213 #define P1_RRDWR  0x39000E
 214
 215 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 216 {
 217         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 218         u32 gpio0,need;
 219
 220         need = state ? 2 : 0;
 221         for (;;) {
 222                 gpio0 = cx_read(MO_GP0_IO) & 2;
 223                 if (need == gpio0)
 224                         return 0;
 225                 if (time_after(jiffies,timeout))
 226                         return -1;
 227                 udelay(1);
 228         }
 229 }
 230
 231 static int memory_write(struct cx88_core *core, u32 address, u32 value)
 232 {
 233         /* Warning: address is dword address (4 bytes) */
 234         cx_writeb(P1_MDATA0, (unsigned int)value);
 235         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
 236         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
 237         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
 238         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
 239         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 240         cx_writeb(P1_MADDR0, (unsigned int)address);
 241         cx_read(P1_MDATA0);
 242         cx_read(P1_MADDR0);
 243
 244         return wait_ready_gpio0_bit1(core,1);
 245 }
 246
 247 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 248 {
 249         int retval;
 250         u32 val;
 251
 252         /* Warning: address is dword address (4 bytes) */
 253         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
 254         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 255         cx_writeb(P1_MADDR0, (unsigned int)address);
 256         cx_read(P1_MADDR0);
 257
 258         retval = wait_ready_gpio0_bit1(core,1);
 259
 260         cx_writeb(P1_MDATA3, 0);
 261         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
 262         cx_writeb(P1_MDATA2, 0);
 263         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
 264         cx_writeb(P1_MDATA1, 0);
 265         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
 266         cx_writeb(P1_MDATA0, 0);
 267         val    |= (unsigned char)cx_read(P1_MDATA0);
 268
 269         *value  = val;
 270         return retval;
 271 }
 272
 273 static int register_write(struct cx88_core *core, u32 address, u32 value)
 274 {
 275         cx_writeb(P1_RDATA0, (unsigned int)value);
 276         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
 277         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
 278         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
 279         cx_writeb(P1_RADDR0, (unsigned int)address);
 280         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 281         cx_writeb(P1_RRDWR, 1);
 282         cx_read(P1_RDATA0);
 283         cx_read(P1_RADDR0);
 284
 285         return wait_ready_gpio0_bit1(core,1);
 286 }
 287
 288
 289 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 290 {
 291         int retval;
 292         u32 val;
 293
 294         cx_writeb(P1_RADDR0, (unsigned int)address);
 295         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 296         cx_writeb(P1_RRDWR, 0);
 297         cx_read(P1_RADDR0);
 298
 299         retval  = wait_ready_gpio0_bit1(core,1);
 300         val     = (unsigned char)cx_read(P1_RDATA0);
 301         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 302         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
 303         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
 304
 305         *value  = val;
 306         return retval;
 307 }
 308
 309 /* ------------------------------------------------------------------ */
 310
 311 static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
 312 {
 313         struct cx8802_dev *dev = priv;
 314         unsigned long timeout;
 315         u32 value, flag, retval;
 316         int i;
 317
 318         dprintk(1,"%s: 0x%X\n", __func__, command);
 319
 320         /* this may not be 100% safe if we can't read any memory location
 321            without side effects */
 322         memory_read(dev->core, dev->mailbox - 4, &value);
 323         if (value != 0x12345678) {
 324                 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
 325                 return -EIO;
 326         }
 327
 328         memory_read(dev->core, dev->mailbox, &flag);
 329         if (flag) {
 330                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 331                 return -EIO;
 332         }
 333
 334         flag |= 1; /* tell 'em we're working on it */
 335         memory_write(dev->core, dev->mailbox, flag);
 336
 337         /* write command + args + fill remaining with zeros */
 338         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 339         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
 340         for (i = 0; i < in; i++) {
 341                 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
 342                 dprintk(1, "API Input %d = %d\n", i, data[i]);
 343         }
 344         for (; i < CX2341X_MBOX_MAX_DATA; i++)
 345                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
 346
 347         flag |= 3; /* tell 'em we're done writing */
 348         memory_write(dev->core, dev->mailbox, flag);
 349
 350         /* wait for firmware to handle the API command */
 351         timeout = jiffies + msecs_to_jiffies(1000);
 352         for (;;) {
 353                 memory_read(dev->core, dev->mailbox, &flag);
 354                 if (0 != (flag & 4))
 355                         break;
 356                 if (time_after(jiffies,timeout)) {
 357                         dprintk(0, "ERROR: API Mailbox timeout %x\n", command);
 358                         return -EIO;
 359                 }
 360                 udelay(10);
 361         }
 362
 363         /* read output values */
 364         for (i = 0; i < out; i++) {
 365                 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
 366                 dprintk(1, "API Output %d = %d\n", i, data[i]);
 367         }
 368
 369         memory_read(dev->core, dev->mailbox + 2, &retval);
 370         dprintk(1, "API result = %d\n",retval);
 371
 372         flag = 0;
 373         memory_write(dev->core, dev->mailbox, flag);
 374         return retval;
 375 }
 376 /* ------------------------------------------------------------------ */
 377
 378 /* We don't need to call the API often, so using just one mailbox will probably suffice */
 379 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 380                              u32 inputcnt, u32 outputcnt, ...)
 381 {
 382         u32 data[CX2341X_MBOX_MAX_DATA];
 383         va_list vargs;
 384         int i, err;
 385
 386         va_start(vargs, outputcnt);
 387
 388         for (i = 0; i < inputcnt; i++) {
 389                 data[i] = va_arg(vargs, int);
 390         }
 391         err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
 392         for (i = 0; i < outputcnt; i++) {
 393                 int *vptr = va_arg(vargs, int *);
 394                 *vptr = data[i];
 395         }
 396         va_end(vargs);
 397         return err;
 398 }
 399
 400 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 401 {
 402         u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
 403         int signaturecnt=0;
 404         u32 value;
 405         int i;
 406
 407         for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 408                 memory_read(dev->core, i, &value);
 409                 if (value == signature[signaturecnt])
 410                         signaturecnt++;
 411                 else
 412                         signaturecnt = 0;
 413                 if (4 == signaturecnt) {
 414                         dprintk(1, "Mailbox signature found\n");
 415                         return i+1;
 416                 }
 417         }
 418         dprintk(0, "Mailbox signature values not found!\n");
 419         return -EIO;
 420 }
 421
 422 static int blackbird_load_firmware(struct cx8802_dev *dev)
 423 {
 424         static const unsigned char magic[8] = {
 425                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 426         };
 427         const struct firmware *firmware;
 428         int i, retval = 0;
 429         u32 value = 0;
 430         u32 checksum = 0;
 431         __le32 *dataptr;
 432
 433         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 434         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 435         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
 436         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 437         msleep(1);
 438         retval |= register_write(dev->core, IVTV_REG_APU, 0);
 439
 440         if (retval < 0)
 441                 dprintk(0, "Error with register_write\n");
 442
 443         retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
 444                                   &dev->pci->dev);
 445
 446
 447         if (retval != 0) {
 448                 pr_err("Hotplug firmware request failed (%s).\n",
 449                         CX2341X_FIRM_ENC_FILENAME);
 450                 pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n");
 451                 return -EIO;
 452         }
 453
 454         if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 455                 pr_err("Firmware size mismatch (have %zd, expected %d)\n",
 456                         firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 457                 release_firmware(firmware);
 458                 return -EINVAL;
 459         }
 460
 461         if (0 != memcmp(firmware->data, magic, 8)) {
 462                 pr_err("Firmware magic mismatch, wrong file?\n");
 463                 release_firmware(firmware);
 464                 return -EINVAL;
 465         }
 466
 467         /* transfer to the chip */
 468         dprintk(1,"Loading firmware ...\n");
 469         dataptr = (__le32 *)firmware->data;
 470         for (i = 0; i < (firmware->size >> 2); i++) {
 471                 value = le32_to_cpu(*dataptr);
 472                 checksum += ~value;
 473                 memory_write(dev->core, i, value);
 474                 dataptr++;
 475         }
 476
 477         /* read back to verify with the checksum */
 478         for (i--; i >= 0; i--) {
 479                 memory_read(dev->core, i, &value);
 480                 checksum -= ~value;
 481         }
 482         release_firmware(firmware);
 483         if (checksum) {
 484                 pr_err("Firmware load might have failed (checksum mismatch).\n");
 485                 return -EIO;
 486         }
 487         dprintk(0, "Firmware upload successful.\n");
 488
 489         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 490         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 491         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 492         msleep(1);
 493
 494         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 495         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 496
 497         if (retval < 0)
 498                 dprintk(0, "Error with register_write\n");
 499         return 0;
 500 }
 501
 502 /**
 503  Settings used by the windows tv app for PVR2000:
 504 =================================================================================================================
 505 Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 506 -----------------------------------------------------------------------------------------------------------------
 507 MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 508 MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 509 VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 510 DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 511 DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 512 =================================================================================================================
 513 *DB: "DirectBurn"
 514 */
 515
 516 static void blackbird_codec_settings(struct cx8802_dev *dev)
 517 {
 518         struct cx88_core *core = dev->core;
 519
 520         /* assign frame size */
 521         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 522                                 core->height, core->width);
 523
 524         dev->cxhdl.width = core->width;
 525         dev->cxhdl.height = core->height;
 526         cx2341x_handler_set_50hz(&dev->cxhdl, dev->core->tvnorm & V4L2_STD_625_50);
 527         cx2341x_handler_setup(&dev->cxhdl);
 528 }
 529
 530 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 531 {
 532         struct cx88_core *core = dev->core;
 533         int version;
 534         int retval;
 535
 536         dprintk(1,"Initialize codec\n");
 537         retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 538         if (retval < 0) {
 539                 /* ping was not successful, reset and upload firmware */
 540                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 541                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 542                 retval = blackbird_load_firmware(dev);
 543                 if (retval < 0)
 544                         return retval;
 545
 546                 retval = blackbird_find_mailbox(dev);
 547                 if (retval < 0)
 548                         return -1;
 549
 550                 dev->mailbox = retval;
 551
 552                 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 553                 if (retval < 0) {
 554                         dprintk(0, "ERROR: Firmware ping failed!\n");
 555                         return -1;
 556                 }
 557
 558                 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
 559                 if (retval < 0) {
 560                         dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 561                         return -1;
 562                 }
 563                 dprintk(0, "Firmware version is 0x%08x\n", version);
 564         }
 565
 566         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 567         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 568         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 569         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 570
 571         blackbird_codec_settings(dev);
 572
 573         blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
 574                         BLACKBIRD_FIELD1_SAA7115,
 575                         BLACKBIRD_FIELD2_SAA7115
 576                 );
 577
 578         blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
 579                         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 580                         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 581
 582         return 0;
 583 }
 584
 585 static int blackbird_start_codec(struct cx8802_dev *dev)
 586 {
 587         struct cx88_core *core = dev->core;
 588         /* start capturing to the host interface */
 589         u32 reg;
 590
 591         int i;
 592         int lastchange = -1;
 593         int lastval = 0;
 594
 595         for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
 596                 reg = cx_read(AUD_STATUS);
 597
 598                 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
 599                 if ((reg & 0x0F) != lastval) {
 600                         lastval = reg & 0x0F;
 601                         lastchange = i;
 602                 }
 603                 msleep(100);
 604         }
 605
 606         /* unmute audio source */
 607         cx_clear(AUD_VOL_CTL, (1 << 6));
 608
 609         blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
 610
 611         /* initialize the video input */
 612         blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
 613
 614         cx2341x_handler_set_busy(&dev->cxhdl, 1);
 615
 616         /* start capturing to the host interface */
 617         blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
 618                         BLACKBIRD_MPEG_CAPTURE,
 619                         BLACKBIRD_RAW_BITS_NONE
 620                 );
 621
 622         return 0;
 623 }
 624
 625 static int blackbird_stop_codec(struct cx8802_dev *dev)
 626 {
 627         blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
 628                         BLACKBIRD_END_NOW,
 629                         BLACKBIRD_MPEG_CAPTURE,
 630                         BLACKBIRD_RAW_BITS_NONE
 631                 );
 632
 633         cx2341x_handler_set_busy(&dev->cxhdl, 0);
 634
 635         return 0;
 636 }
 637
 638 /* ------------------------------------------------------------------ */
 639
 640 static int queue_setup(struct vb2_queue *q,
 641                            unsigned int *num_buffers, unsigned int *num_planes,
 642                            unsigned int sizes[], void *alloc_ctxs[])
 643 {
 644         struct cx8802_dev *dev = q->drv_priv;
 645
 646         *num_planes = 1;
 647         dev->ts_packet_size  = 188 * 4;
 648         dev->ts_packet_count  = 32;
 649         sizes[0] = dev->ts_packet_size * dev->ts_packet_count;
 650         return 0;
 651 }
 652
 653 static int buffer_prepare(struct vb2_buffer *vb)
 654 {
 655         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 656         struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
 657         struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
 658
 659         return cx8802_buf_prepare(vb->vb2_queue, dev, buf);
 660 }
 661
 662 static void buffer_finish(struct vb2_buffer *vb)
 663 {
 664         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 665         struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
 666         struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
 667         struct cx88_riscmem *risc = &buf->risc;
 668
 669         if (risc->cpu)
 670                 pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
 671         memset(risc, 0, sizeof(*risc));
 672 }
 673
 674 static void buffer_queue(struct vb2_buffer *vb)
 675 {
 676         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 677         struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
 678         struct cx88_buffer    *buf = container_of(vbuf, struct cx88_buffer, vb);
 679
 680         cx8802_buf_queue(dev, buf);
 681 }
 682
 683 static int start_streaming(struct vb2_queue *q, unsigned int count)
 684 {
 685         struct cx8802_dev *dev = q->drv_priv;
 686         struct cx88_dmaqueue *dmaq = &dev->mpegq;
 687         struct cx8802_driver *drv;
 688         struct cx88_buffer *buf;
 689         unsigned long flags;
 690         int err;
 691
 692         /* Make sure we can acquire the hardware */
 693         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
 694         if (!drv) {
 695                 dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
 696                 err = -ENODEV;
 697                 goto fail;
 698         }
 699
 700         err = drv->request_acquire(drv);
 701         if (err != 0) {
 702                 dprintk(1, "%s: Unable to acquire hardware, %d\n", __func__, err);
 703                 goto fail;
 704         }
 705
 706         if (blackbird_initialize_codec(dev) < 0) {
 707                 drv->request_release(drv);
 708                 err = -EINVAL;
 709                 goto fail;
 710         }
 711
 712         err = blackbird_start_codec(dev);
 713         if (err == 0) {
 714                 buf = list_entry(dmaq->active.next, struct cx88_buffer, list);
 715                 cx8802_start_dma(dev, dmaq, buf);
 716                 return 0;
 717         }
 718
 719 fail:
 720         spin_lock_irqsave(&dev->slock, flags);
 721         while (!list_empty(&dmaq->active)) {
 722                 struct cx88_buffer *buf = list_entry(dmaq->active.next,
 723                         struct cx88_buffer, list);
 724
 725                 list_del(&buf->list);
 726                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED);
 727         }
 728         spin_unlock_irqrestore(&dev->slock, flags);
 729         return err;
 730 }
 731
 732 static void stop_streaming(struct vb2_queue *q)
 733 {
 734         struct cx8802_dev *dev = q->drv_priv;
 735         struct cx88_dmaqueue *dmaq = &dev->mpegq;
 736         struct cx8802_driver *drv = NULL;
 737         unsigned long flags;
 738
 739         cx8802_cancel_buffers(dev);
 740         blackbird_stop_codec(dev);
 741
 742         /* Make sure we release the hardware */
 743         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
 744         WARN_ON(!drv);
 745         if (drv)
 746                 drv->request_release(drv);
 747
 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_ERROR);
 755         }
 756         spin_unlock_irqrestore(&dev->slock, flags);
 757 }
 758
 759 static struct vb2_ops blackbird_qops = {
 760         .queue_setup    = queue_setup,
 761         .buf_prepare  = buffer_prepare,
 762         .buf_finish = buffer_finish,
 763         .buf_queue    = buffer_queue,
 764         .wait_prepare = vb2_ops_wait_prepare,
 765         .wait_finish = vb2_ops_wait_finish,
 766         .start_streaming = start_streaming,
 767         .stop_streaming = stop_streaming,
 768 };
 769
 770 /* ------------------------------------------------------------------ */
 771
 772 static int vidioc_querycap(struct file *file, void  *priv,
 773                                         struct v4l2_capability *cap)
 774 {
 775         struct cx8802_dev *dev = video_drvdata(file);
 776         struct cx88_core *core = dev->core;
 777
 778         strcpy(cap->driver, "cx88_blackbird");
 779         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
 780         cx88_querycap(file, core, cap);
 781         return 0;
 782 }
 783
 784 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
 785                                         struct v4l2_fmtdesc *f)
 786 {
 787         if (f->index != 0)
 788                 return -EINVAL;
 789
 790         strlcpy(f->description, "MPEG", sizeof(f->description));
 791         f->pixelformat = V4L2_PIX_FMT_MPEG;
 792         f->flags = V4L2_FMT_FLAG_COMPRESSED;
 793         return 0;
 794 }
 795
 796 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 797                                         struct v4l2_format *f)
 798 {
 799         struct cx8802_dev *dev = video_drvdata(file);
 800         struct cx88_core *core = dev->core;
 801
 802         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 803         f->fmt.pix.bytesperline = 0;
 804         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count;
 805         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 806         f->fmt.pix.width        = core->width;
 807         f->fmt.pix.height       = core->height;
 808         f->fmt.pix.field        = core->field;
 809         return 0;
 810 }
 811
 812 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 813                         struct v4l2_format *f)
 814 {
 815         struct cx8802_dev *dev = video_drvdata(file);
 816         struct cx88_core *core = dev->core;
 817         unsigned maxw, maxh;
 818         enum v4l2_field field;
 819
 820         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 821         f->fmt.pix.bytesperline = 0;
 822         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count;
 823         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 824
 825         maxw = norm_maxw(core->tvnorm);
 826         maxh = norm_maxh(core->tvnorm);
 827
 828         field = f->fmt.pix.field;
 829
 830         switch (field) {
 831         case V4L2_FIELD_TOP:
 832         case V4L2_FIELD_BOTTOM:
 833         case V4L2_FIELD_INTERLACED:
 834         case V4L2_FIELD_SEQ_BT:
 835         case V4L2_FIELD_SEQ_TB:
 836                 break;
 837         default:
 838                 field = (f->fmt.pix.height > maxh / 2)
 839                         ? V4L2_FIELD_INTERLACED
 840                         : V4L2_FIELD_BOTTOM;
 841                 break;
 842         }
 843         if (V4L2_FIELD_HAS_T_OR_B(field))
 844                 maxh /= 2;
 845
 846         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
 847                               &f->fmt.pix.height, 32, maxh, 0, 0);
 848         f->fmt.pix.field = field;
 849         return 0;
 850 }
 851
 852 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 853                                         struct v4l2_format *f)
 854 {
 855         struct cx8802_dev *dev = video_drvdata(file);
 856         struct cx88_core  *core = dev->core;
 857
 858         if (vb2_is_busy(&dev->vb2_mpegq))
 859                 return -EBUSY;
 860         if (core->v4ldev && (vb2_is_busy(&core->v4ldev->vb2_vidq) ||
 861                              vb2_is_busy(&core->v4ldev->vb2_vbiq)))
 862                 return -EBUSY;
 863         vidioc_try_fmt_vid_cap(file, priv, f);
 864         core->width = f->fmt.pix.width;
 865         core->height = f->fmt.pix.height;
 866         core->field = f->fmt.pix.field;
 867         cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
 868         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 869                                 f->fmt.pix.height, f->fmt.pix.width);
 870         return 0;
 871 }
 872
 873 static int vidioc_s_frequency (struct file *file, void *priv,
 874                                 const struct v4l2_frequency *f)
 875 {
 876         struct cx8802_dev *dev = video_drvdata(file);
 877         struct cx88_core *core = dev->core;
 878         bool streaming;
 879
 880         if (unlikely(UNSET == core->board.tuner_type))
 881                 return -EINVAL;
 882         if (unlikely(f->tuner != 0))
 883                 return -EINVAL;
 884         streaming = vb2_start_streaming_called(&dev->vb2_mpegq);
 885         if (streaming)
 886                 blackbird_stop_codec(dev);
 887
 888         cx88_set_freq (core,f);
 889         blackbird_initialize_codec(dev);
 890         cx88_set_scale(core, core->width, core->height,
 891                         core->field);
 892         if (streaming)
 893                 blackbird_start_codec(dev);
 894         return 0;
 895 }
 896
 897 static int vidioc_log_status (struct file *file, void *priv)
 898 {
 899         struct cx8802_dev *dev = video_drvdata(file);
 900         struct cx88_core *core = dev->core;
 901         char name[32 + 2];
 902
 903         snprintf(name, sizeof(name), "%s/2", core->name);
 904         call_all(core, core, log_status);
 905         v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
 906         return 0;
 907 }
 908
 909 static int vidioc_enum_input (struct file *file, void *priv,
 910                                 struct v4l2_input *i)
 911 {
 912         struct cx8802_dev *dev = video_drvdata(file);
 913         struct cx88_core *core = dev->core;
 914         return cx88_enum_input (core,i);
 915 }
 916
 917 static int vidioc_g_frequency (struct file *file, void *priv,
 918                                 struct v4l2_frequency *f)
 919 {
 920         struct cx8802_dev *dev = video_drvdata(file);
 921         struct cx88_core *core = dev->core;
 922
 923         if (unlikely(UNSET == core->board.tuner_type))
 924                 return -EINVAL;
 925         if (unlikely(f->tuner != 0))
 926                 return -EINVAL;
 927
 928         f->frequency = core->freq;
 929         call_all(core, tuner, g_frequency, f);
 930
 931         return 0;
 932 }
 933
 934 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
 935 {
 936         struct cx8802_dev *dev = video_drvdata(file);
 937         struct cx88_core *core = dev->core;
 938
 939         *i = core->input;
 940         return 0;
 941 }
 942
 943 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
 944 {
 945         struct cx8802_dev *dev = video_drvdata(file);
 946         struct cx88_core *core = dev->core;
 947
 948         if (i >= 4)
 949                 return -EINVAL;
 950         if (0 == INPUT(i).type)
 951                 return -EINVAL;
 952
 953         cx88_newstation(core);
 954         cx88_video_mux(core,i);
 955         return 0;
 956 }
 957
 958 static int vidioc_g_tuner (struct file *file, void *priv,
 959                                 struct v4l2_tuner *t)
 960 {
 961         struct cx8802_dev *dev = video_drvdata(file);
 962         struct cx88_core *core = dev->core;
 963         u32 reg;
 964
 965         if (unlikely(UNSET == core->board.tuner_type))
 966                 return -EINVAL;
 967         if (0 != t->index)
 968                 return -EINVAL;
 969
 970         strcpy(t->name, "Television");
 971         t->capability = V4L2_TUNER_CAP_NORM;
 972         t->rangehigh  = 0xffffffffUL;
 973         call_all(core, tuner, g_tuner, t);
 974
 975         cx88_get_stereo(core ,t);
 976         reg = cx_read(MO_DEVICE_STATUS);
 977         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
 978         return 0;
 979 }
 980
 981 static int vidioc_s_tuner (struct file *file, void *priv,
 982                                 const struct v4l2_tuner *t)
 983 {
 984         struct cx8802_dev *dev = video_drvdata(file);
 985         struct cx88_core *core = dev->core;
 986
 987         if (UNSET == core->board.tuner_type)
 988                 return -EINVAL;
 989         if (0 != t->index)
 990                 return -EINVAL;
 991
 992         cx88_set_stereo(core, t->audmode, 1);
 993         return 0;
 994 }
 995
 996 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
 997 {
 998         struct cx8802_dev *dev = video_drvdata(file);
 999         struct cx88_core *core = dev->core;
1000
1001         *tvnorm = core->tvnorm;
1002         return 0;
1003 }
1004
1005 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
1006 {
1007         struct cx8802_dev *dev = video_drvdata(file);
1008         struct cx88_core *core = dev->core;
1009
1010         return cx88_set_tvnorm(core, id);
1011 }
1012
1013 static const struct v4l2_file_operations mpeg_fops =
1014 {
1015         .owner         = THIS_MODULE,
1016         .open          = v4l2_fh_open,
1017         .release       = vb2_fop_release,
1018         .read          = vb2_fop_read,
1019         .poll          = vb2_fop_poll,
1020         .mmap          = vb2_fop_mmap,
1021         .unlocked_ioctl = video_ioctl2,
1022 };
1023
1024 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1025         .vidioc_querycap      = vidioc_querycap,
1026         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1027         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1028         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1029         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1030         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1031         .vidioc_querybuf      = vb2_ioctl_querybuf,
1032         .vidioc_qbuf          = vb2_ioctl_qbuf,
1033         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1034         .vidioc_streamon      = vb2_ioctl_streamon,
1035         .vidioc_streamoff     = vb2_ioctl_streamoff,
1036         .vidioc_s_frequency   = vidioc_s_frequency,
1037         .vidioc_log_status    = vidioc_log_status,
1038         .vidioc_enum_input    = vidioc_enum_input,
1039         .vidioc_g_frequency   = vidioc_g_frequency,
1040         .vidioc_g_input       = vidioc_g_input,
1041         .vidioc_s_input       = vidioc_s_input,
1042         .vidioc_g_tuner       = vidioc_g_tuner,
1043         .vidioc_s_tuner       = vidioc_s_tuner,
1044         .vidioc_g_std         = vidioc_g_std,
1045         .vidioc_s_std         = vidioc_s_std,
1046         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1047         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1048 };
1049
1050 static struct video_device cx8802_mpeg_template = {
1051         .name                 = "cx8802",
1052         .fops                 = &mpeg_fops,
1053         .ioctl_ops            = &mpeg_ioctl_ops,
1054         .tvnorms              = CX88_NORMS,
1055 };
1056
1057 /* ------------------------------------------------------------------ */
1058
1059 /* The CX8802 MPEG API will call this when we can use the hardware */
1060 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1061 {
1062         struct cx88_core *core = drv->core;
1063         int err = 0;
1064
1065         switch (core->boardnr) {
1066         case CX88_BOARD_HAUPPAUGE_HVR1300:
1067                 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1068                  * We left the hardware on power up with the cx22702 active.
1069                  * We're being given access to re-arrange the GPIOs.
1070                  * Take the bus off the cx22702 and put the cx23416 on it.
1071                  */
1072                 /* Toggle reset on cx22702 leaving i2c active */
1073                 cx_set(MO_GP0_IO, 0x00000080);
1074                 udelay(1000);
1075                 cx_clear(MO_GP0_IO, 0x00000080);
1076                 udelay(50);
1077                 cx_set(MO_GP0_IO, 0x00000080);
1078                 udelay(1000);
1079                 /* tri-state the cx22702 pins */
1080                 cx_set(MO_GP0_IO, 0x00000004);
1081                 udelay(1000);
1082                 break;
1083         default:
1084                 err = -ENODEV;
1085         }
1086         return err;
1087 }
1088
1089 /* The CX8802 MPEG API will call this when we need to release the hardware */
1090 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1091 {
1092         struct cx88_core *core = drv->core;
1093         int err = 0;
1094
1095         switch (core->boardnr) {
1096         case CX88_BOARD_HAUPPAUGE_HVR1300:
1097                 /* Exit leaving the cx23416 on the bus */
1098                 break;
1099         default:
1100                 err = -ENODEV;
1101         }
1102         return err;
1103 }
1104
1105 static void blackbird_unregister_video(struct cx8802_dev *dev)
1106 {
1107         video_unregister_device(&dev->mpeg_dev);
1108 }
1109
1110 static int blackbird_register_video(struct cx8802_dev *dev)
1111 {
1112         int err;
1113
1114         cx88_vdev_init(dev->core, dev->pci, &dev->mpeg_dev,
1115                        &cx8802_mpeg_template, "mpeg");
1116         dev->mpeg_dev.ctrl_handler = &dev->cxhdl.hdl;
1117         video_set_drvdata(&dev->mpeg_dev, dev);
1118         dev->mpeg_dev.queue = &dev->vb2_mpegq;
1119         err = video_register_device(&dev->mpeg_dev, VFL_TYPE_GRABBER, -1);
1120         if (err < 0) {
1121                 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1122                        dev->core->name);
1123                 return err;
1124         }
1125         printk(KERN_INFO "%s/2: registered device %s [mpeg]\n",
1126                dev->core->name, video_device_node_name(&dev->mpeg_dev));
1127         return 0;
1128 }
1129
1130 /* ----------------------------------------------------------- */
1131
1132 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1133 {
1134         struct cx88_core *core = drv->core;
1135         struct cx8802_dev *dev = core->dvbdev;
1136         struct vb2_queue *q;
1137         int err;
1138
1139         dprintk( 1, "%s\n", __func__);
1140         dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1141                 core->boardnr,
1142                 core->name,
1143                 core->pci_bus,
1144                 core->pci_slot);
1145
1146         err = -ENODEV;
1147         if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1148                 goto fail_core;
1149
1150         dev->cxhdl.port = CX2341X_PORT_STREAMING;
1151         dev->cxhdl.width = core->width;
1152         dev->cxhdl.height = core->height;
1153         dev->cxhdl.func = blackbird_mbox_func;
1154         dev->cxhdl.priv = dev;
1155         err = cx2341x_handler_init(&dev->cxhdl, 36);
1156         if (err)
1157                 goto fail_core;
1158         v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL);
1159
1160         /* blackbird stuff */
1161         printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1162                core->name);
1163         host_setup(dev->core);
1164
1165         blackbird_initialize_codec(dev);
1166
1167         /* initial device configuration: needed ? */
1168 //      init_controls(core);
1169         cx88_set_tvnorm(core,core->tvnorm);
1170         cx88_video_mux(core,0);
1171         cx2341x_handler_set_50hz(&dev->cxhdl, core->height == 576);
1172         cx2341x_handler_setup(&dev->cxhdl);
1173
1174         q = &dev->vb2_mpegq;
1175         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1176         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1177         q->gfp_flags = GFP_DMA32;
1178         q->min_buffers_needed = 2;
1179         q->drv_priv = dev;
1180         q->buf_struct_size = sizeof(struct cx88_buffer);
1181         q->ops = &blackbird_qops;
1182         q->mem_ops = &vb2_dma_sg_memops;
1183         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1184         q->lock = &core->lock;
1185         q->dev = &dev->pci->dev;
1186
1187         err = vb2_queue_init(q);
1188         if (err < 0)
1189                 goto fail_core;
1190
1191         blackbird_register_video(dev);
1192
1193         return 0;
1194
1195 fail_core:
1196         return err;
1197 }
1198
1199 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1200 {
1201         struct cx88_core *core = drv->core;
1202         struct cx8802_dev *dev = core->dvbdev;
1203
1204         /* blackbird */
1205         blackbird_unregister_video(drv->core->dvbdev);
1206         v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
1207
1208         return 0;
1209 }
1210
1211 static struct cx8802_driver cx8802_blackbird_driver = {
1212         .type_id        = CX88_MPEG_BLACKBIRD,
1213         .hw_access      = CX8802_DRVCTL_SHARED,
1214         .probe          = cx8802_blackbird_probe,
1215         .remove         = cx8802_blackbird_remove,
1216         .advise_acquire = cx8802_blackbird_advise_acquire,
1217         .advise_release = cx8802_blackbird_advise_release,
1218 };
1219
1220 static int __init blackbird_init(void)
1221 {
1222         printk(KERN_INFO "cx2388x blackbird driver version %s loaded\n",
1223                CX88_VERSION);
1224         return cx8802_register_driver(&cx8802_blackbird_driver);
1225 }
1226
1227 static void __exit blackbird_fini(void)
1228 {
1229         cx8802_unregister_driver(&cx8802_blackbird_driver);
1230 }
1231
1232 module_init(blackbird_init);
1233 module_exit(blackbird_fini);