drivers/media/video/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/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 mpegbufs = 32;
  49 module_param(mpegbufs,int,0644);
  50 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
  51
  52 static unsigned int debug;
  53 module_param(debug,int,0644);
  54 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
  55
  56 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  57         printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
  58
  59
  60 /* ------------------------------------------------------------------ */
  61
  62 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
  63
  64 /* defines below are from ivtv-driver.h */
  65
  66 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
  67
  68 /* Firmware API commands */
  69 #define IVTV_API_STD_TIMEOUT 500
  70
  71 enum blackbird_capture_type {
  72         BLACKBIRD_MPEG_CAPTURE,
  73         BLACKBIRD_RAW_CAPTURE,
  74         BLACKBIRD_RAW_PASSTHRU_CAPTURE
  75 };
  76 enum blackbird_capture_bits {
  77         BLACKBIRD_RAW_BITS_NONE             = 0x00,
  78         BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
  79         BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
  80         BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
  81         BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
  82         BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
  83 };
  84 enum blackbird_capture_end {
  85         BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
  86         BLACKBIRD_END_NOW, /* stop immediately, no irq */
  87 };
  88 enum blackbird_framerate {
  89         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
  90         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
  91 };
  92 enum blackbird_stream_port {
  93         BLACKBIRD_OUTPUT_PORT_MEMORY,
  94         BLACKBIRD_OUTPUT_PORT_STREAMING,
  95         BLACKBIRD_OUTPUT_PORT_SERIAL
  96 };
  97 enum blackbird_data_xfer_status {
  98         BLACKBIRD_MORE_BUFFERS_FOLLOW,
  99         BLACKBIRD_LAST_BUFFER,
 100 };
 101 enum blackbird_picture_mask {
 102         BLACKBIRD_PICTURE_MASK_NONE,
 103         BLACKBIRD_PICTURE_MASK_I_FRAMES,
 104         BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
 105         BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
 106 };
 107 enum blackbird_vbi_mode_bits {
 108         BLACKBIRD_VBI_BITS_SLICED,
 109         BLACKBIRD_VBI_BITS_RAW,
 110 };
 111 enum blackbird_vbi_insertion_bits {
 112         BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 113         BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 114         BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 115         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 116         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 117 };
 118 enum blackbird_dma_unit {
 119         BLACKBIRD_DMA_BYTES,
 120         BLACKBIRD_DMA_FRAMES,
 121 };
 122 enum blackbird_dma_transfer_status_bits {
 123         BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
 124         BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
 125         BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 126 };
 127 enum blackbird_pause {
 128         BLACKBIRD_PAUSE_ENCODING,
 129         BLACKBIRD_RESUME_ENCODING,
 130 };
 131 enum blackbird_copyright {
 132         BLACKBIRD_COPYRIGHT_OFF,
 133         BLACKBIRD_COPYRIGHT_ON,
 134 };
 135 enum blackbird_notification_type {
 136         BLACKBIRD_NOTIFICATION_REFRESH,
 137 };
 138 enum blackbird_notification_status {
 139         BLACKBIRD_NOTIFICATION_OFF,
 140         BLACKBIRD_NOTIFICATION_ON,
 141 };
 142 enum blackbird_notification_mailbox {
 143         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 144 };
 145 enum blackbird_field1_lines {
 146         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 147         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 148         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 149 };
 150 enum blackbird_field2_lines {
 151         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 152         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 153         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 154 };
 155 enum blackbird_custom_data_type {
 156         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 157         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 158 };
 159 enum blackbird_mute {
 160         BLACKBIRD_UNMUTE,
 161         BLACKBIRD_MUTE,
 162 };
 163 enum blackbird_mute_video_mask {
 164         BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
 165         BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
 166         BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
 167 };
 168 enum blackbird_mute_video_shift {
 169         BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
 170         BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
 171         BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
 172 };
 173
 174 /* Registers */
 175 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
 176 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
 177 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
 178 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
 179 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
 180 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
 181
 182 /* ------------------------------------------------------------------ */
 183
 184 static void host_setup(struct cx88_core *core)
 185 {
 186         /* toggle reset of the host */
 187         cx_write(MO_GPHST_SOFT_RST, 1);
 188         udelay(100);
 189         cx_write(MO_GPHST_SOFT_RST, 0);
 190         udelay(100);
 191
 192         /* host port setup */
 193         cx_write(MO_GPHST_WSC, 0x44444444U);
 194         cx_write(MO_GPHST_XFR, 0);
 195         cx_write(MO_GPHST_WDTH, 15);
 196         cx_write(MO_GPHST_HDSHK, 0);
 197         cx_write(MO_GPHST_MUX16, 0x44448888U);
 198         cx_write(MO_GPHST_MODE, 0);
 199 }
 200
 201 /* ------------------------------------------------------------------ */
 202
 203 #define P1_MDATA0 0x390000
 204 #define P1_MDATA1 0x390001
 205 #define P1_MDATA2 0x390002
 206 #define P1_MDATA3 0x390003
 207 #define P1_MADDR2 0x390004
 208 #define P1_MADDR1 0x390005
 209 #define P1_MADDR0 0x390006
 210 #define P1_RDATA0 0x390008
 211 #define P1_RDATA1 0x390009
 212 #define P1_RDATA2 0x39000A
 213 #define P1_RDATA3 0x39000B
 214 #define P1_RADDR0 0x39000C
 215 #define P1_RADDR1 0x39000D
 216 #define P1_RRDWR  0x39000E
 217
 218 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 219 {
 220         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 221         u32 gpio0,need;
 222
 223         need = state ? 2 : 0;
 224         for (;;) {
 225                 gpio0 = cx_read(MO_GP0_IO) & 2;
 226                 if (need == gpio0)
 227                         return 0;
 228                 if (time_after(jiffies,timeout))
 229                         return -1;
 230                 udelay(1);
 231         }
 232 }
 233
 234 static int memory_write(struct cx88_core *core, u32 address, u32 value)
 235 {
 236         /* Warning: address is dword address (4 bytes) */
 237         cx_writeb(P1_MDATA0, (unsigned int)value);
 238         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
 239         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
 240         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
 241         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
 242         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 243         cx_writeb(P1_MADDR0, (unsigned int)address);
 244         cx_read(P1_MDATA0);
 245         cx_read(P1_MADDR0);
 246
 247         return wait_ready_gpio0_bit1(core,1);
 248 }
 249
 250 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 251 {
 252         int retval;
 253         u32 val;
 254
 255         /* Warning: address is dword address (4 bytes) */
 256         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
 257         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 258         cx_writeb(P1_MADDR0, (unsigned int)address);
 259         cx_read(P1_MADDR0);
 260
 261         retval = wait_ready_gpio0_bit1(core,1);
 262
 263         cx_writeb(P1_MDATA3, 0);
 264         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
 265         cx_writeb(P1_MDATA2, 0);
 266         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
 267         cx_writeb(P1_MDATA1, 0);
 268         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
 269         cx_writeb(P1_MDATA0, 0);
 270         val    |= (unsigned char)cx_read(P1_MDATA0);
 271
 272         *value  = val;
 273         return retval;
 274 }
 275
 276 static int register_write(struct cx88_core *core, u32 address, u32 value)
 277 {
 278         cx_writeb(P1_RDATA0, (unsigned int)value);
 279         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
 280         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
 281         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
 282         cx_writeb(P1_RADDR0, (unsigned int)address);
 283         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 284         cx_writeb(P1_RRDWR, 1);
 285         cx_read(P1_RDATA0);
 286         cx_read(P1_RADDR0);
 287
 288         return wait_ready_gpio0_bit1(core,1);
 289 }
 290
 291
 292 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 293 {
 294         int retval;
 295         u32 val;
 296
 297         cx_writeb(P1_RADDR0, (unsigned int)address);
 298         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 299         cx_writeb(P1_RRDWR, 0);
 300         cx_read(P1_RADDR0);
 301
 302         retval  = wait_ready_gpio0_bit1(core,1);
 303         val     = (unsigned char)cx_read(P1_RDATA0);
 304         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 305         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
 306         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
 307
 308         *value  = val;
 309         return retval;
 310 }
 311
 312 /* ------------------------------------------------------------------ */
 313
 314 static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
 315 {
 316         struct cx8802_dev *dev = priv;
 317         unsigned long timeout;
 318         u32 value, flag, retval;
 319         int i;
 320
 321         dprintk(1,"%s: 0x%X\n", __func__, command);
 322
 323         /* this may not be 100% safe if we can't read any memory location
 324            without side effects */
 325         memory_read(dev->core, dev->mailbox - 4, &value);
 326         if (value != 0x12345678) {
 327                 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
 328                 return -1;
 329         }
 330
 331         memory_read(dev->core, dev->mailbox, &flag);
 332         if (flag) {
 333                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 334                 return -1;
 335         }
 336
 337         flag |= 1; /* tell 'em we're working on it */
 338         memory_write(dev->core, dev->mailbox, flag);
 339
 340         /* write command + args + fill remaining with zeros */
 341         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 342         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
 343         for (i = 0; i < in; i++) {
 344                 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
 345                 dprintk(1, "API Input %d = %d\n", i, data[i]);
 346         }
 347         for (; i < CX2341X_MBOX_MAX_DATA; i++)
 348                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
 349
 350         flag |= 3; /* tell 'em we're done writing */
 351         memory_write(dev->core, dev->mailbox, flag);
 352
 353         /* wait for firmware to handle the API command */
 354         timeout = jiffies + msecs_to_jiffies(10);
 355         for (;;) {
 356                 memory_read(dev->core, dev->mailbox, &flag);
 357                 if (0 != (flag & 4))
 358                         break;
 359                 if (time_after(jiffies,timeout)) {
 360                         dprintk(0, "ERROR: API Mailbox timeout\n");
 361                         return -1;
 362                 }
 363                 udelay(10);
 364         }
 365
 366         /* read output values */
 367         for (i = 0; i < out; i++) {
 368                 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
 369                 dprintk(1, "API Output %d = %d\n", i, data[i]);
 370         }
 371
 372         memory_read(dev->core, dev->mailbox + 2, &retval);
 373         dprintk(1, "API result = %d\n",retval);
 374
 375         flag = 0;
 376         memory_write(dev->core, dev->mailbox, flag);
 377         return retval;
 378 }
 379 /* ------------------------------------------------------------------ */
 380
 381 /* We don't need to call the API often, so using just one mailbox will probably suffice */
 382 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 383                              u32 inputcnt, u32 outputcnt, ...)
 384 {
 385         u32 data[CX2341X_MBOX_MAX_DATA];
 386         va_list vargs;
 387         int i, err;
 388
 389         va_start(vargs, outputcnt);
 390
 391         for (i = 0; i < inputcnt; i++) {
 392                 data[i] = va_arg(vargs, int);
 393         }
 394         err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
 395         for (i = 0; i < outputcnt; i++) {
 396                 int *vptr = va_arg(vargs, int *);
 397                 *vptr = data[i];
 398         }
 399         va_end(vargs);
 400         return err;
 401 }
 402
 403 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 404 {
 405         u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
 406         int signaturecnt=0;
 407         u32 value;
 408         int i;
 409
 410         for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 411                 memory_read(dev->core, i, &value);
 412                 if (value == signature[signaturecnt])
 413                         signaturecnt++;
 414                 else
 415                         signaturecnt = 0;
 416                 if (4 == signaturecnt) {
 417                         dprintk(1, "Mailbox signature found\n");
 418                         return i+1;
 419                 }
 420         }
 421         dprintk(0, "Mailbox signature values not found!\n");
 422         return -1;
 423 }
 424
 425 static int blackbird_load_firmware(struct cx8802_dev *dev)
 426 {
 427         static const unsigned char magic[8] = {
 428                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 429         };
 430         const struct firmware *firmware;
 431         int i, retval = 0;
 432         u32 value = 0;
 433         u32 checksum = 0;
 434         u32 *dataptr;
 435
 436         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 437         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 438         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
 439         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 440         msleep(1);
 441         retval |= register_write(dev->core, IVTV_REG_APU, 0);
 442
 443         if (retval < 0)
 444                 dprintk(0, "Error with register_write\n");
 445
 446         retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
 447                                   &dev->pci->dev);
 448
 449
 450         if (retval != 0) {
 451                 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
 452                         CX2341X_FIRM_ENC_FILENAME);
 453                 dprintk(0, "Please fix your hotplug setup, the board will "
 454                         "not work without firmware loaded!\n");
 455                 return -1;
 456         }
 457
 458         if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 459                 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
 460                         firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 461                 release_firmware(firmware);
 462                 return -1;
 463         }
 464
 465         if (0 != memcmp(firmware->data, magic, 8)) {
 466                 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
 467                 release_firmware(firmware);
 468                 return -1;
 469         }
 470
 471         /* transfer to the chip */
 472         dprintk(1,"Loading firmware ...\n");
 473         dataptr = (u32*)firmware->data;
 474         for (i = 0; i < (firmware->size >> 2); i++) {
 475                 value = le32_to_cpu(*dataptr);
 476                 checksum += ~value;
 477                 memory_write(dev->core, i, value);
 478                 dataptr++;
 479         }
 480
 481         /* read back to verify with the checksum */
 482         for (i--; i >= 0; i--) {
 483                 memory_read(dev->core, i, &value);
 484                 checksum -= ~value;
 485         }
 486         if (checksum) {
 487                 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
 488                 release_firmware(firmware);
 489                 return -1;
 490         }
 491         release_firmware(firmware);
 492         dprintk(0, "Firmware upload successful.\n");
 493
 494         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 495         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 496         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 497         msleep(1);
 498
 499         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 500         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 501
 502         if (retval < 0)
 503                 dprintk(0, "Error with register_write\n");
 504         return 0;
 505 }
 506
 507 /**
 508  Settings used by the windows tv app for PVR2000:
 509 =================================================================================================================
 510 Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 511 -----------------------------------------------------------------------------------------------------------------
 512 MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 513 MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 514 VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 515 DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 516 DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 517 =================================================================================================================
 518 *DB: "DirectBurn"
 519 */
 520
 521 static void blackbird_codec_settings(struct cx8802_dev *dev)
 522 {
 523         /* assign frame size */
 524         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 525                                 dev->height, dev->width);
 526
 527         dev->cxhdl.width = dev->width;
 528         dev->cxhdl.height = dev->height;
 529         cx2341x_handler_set_50hz(&dev->cxhdl, dev->core->tvnorm & V4L2_STD_625_50);
 530         cx2341x_handler_setup(&dev->cxhdl);
 531 }
 532
 533 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 534 {
 535         struct cx88_core *core = dev->core;
 536         int version;
 537         int retval;
 538
 539         dprintk(1,"Initialize codec\n");
 540         retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 541         if (retval < 0) {
 542
 543                 dev->mpeg_active = 0;
 544
 545                 /* ping was not successful, reset and upload firmware */
 546                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 547                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 548                 retval = blackbird_load_firmware(dev);
 549                 if (retval < 0)
 550                         return retval;
 551
 552                 retval = blackbird_find_mailbox(dev);
 553                 if (retval < 0)
 554                         return -1;
 555
 556                 dev->mailbox = retval;
 557
 558                 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 559                 if (retval < 0) {
 560                         dprintk(0, "ERROR: Firmware ping failed!\n");
 561                         return -1;
 562                 }
 563
 564                 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
 565                 if (retval < 0) {
 566                         dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 567                         return -1;
 568                 }
 569                 dprintk(0, "Firmware version is 0x%08x\n", version);
 570         }
 571
 572         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 573         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 574         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 575         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 576
 577         blackbird_codec_settings(dev);
 578
 579         blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
 580                         BLACKBIRD_FIELD1_SAA7115,
 581                         BLACKBIRD_FIELD2_SAA7115
 582                 );
 583
 584         blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
 585                         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 586                         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 587
 588         return 0;
 589 }
 590
 591 static int blackbird_start_codec(struct file *file, void *priv)
 592 {
 593         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 594         struct cx88_core *core = dev->core;
 595         /* start capturing to the host interface */
 596         u32 reg;
 597
 598         int i;
 599         int lastchange = -1;
 600         int lastval = 0;
 601
 602         for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
 603                 reg = cx_read(AUD_STATUS);
 604
 605                 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
 606                 if ((reg & 0x0F) != lastval) {
 607                         lastval = reg & 0x0F;
 608                         lastchange = i;
 609                 }
 610                 msleep(100);
 611         }
 612
 613         /* unmute audio source */
 614         cx_clear(AUD_VOL_CTL, (1 << 6));
 615
 616         blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
 617
 618         /* initialize the video input */
 619         blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
 620
 621         cx2341x_handler_set_busy(&dev->cxhdl, 1);
 622
 623         /* start capturing to the host interface */
 624         blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
 625                         BLACKBIRD_MPEG_CAPTURE,
 626                         BLACKBIRD_RAW_BITS_NONE
 627                 );
 628
 629         dev->mpeg_active = 1;
 630         return 0;
 631 }
 632
 633 static int blackbird_stop_codec(struct cx8802_dev *dev)
 634 {
 635         blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
 636                         BLACKBIRD_END_NOW,
 637                         BLACKBIRD_MPEG_CAPTURE,
 638                         BLACKBIRD_RAW_BITS_NONE
 639                 );
 640
 641         cx2341x_handler_set_busy(&dev->cxhdl, 0);
 642
 643         dev->mpeg_active = 0;
 644         return 0;
 645 }
 646
 647 /* ------------------------------------------------------------------ */
 648
 649 static int bb_buf_setup(struct videobuf_queue *q,
 650                         unsigned int *count, unsigned int *size)
 651 {
 652         struct cx8802_fh *fh = q->priv_data;
 653
 654         fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
 655         fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
 656
 657         *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
 658         *count = fh->dev->ts_packet_count;
 659         return 0;
 660 }
 661
 662 static int
 663 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 664                enum v4l2_field field)
 665 {
 666         struct cx8802_fh *fh = q->priv_data;
 667         return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
 668 }
 669
 670 static void
 671 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 672 {
 673         struct cx8802_fh *fh = q->priv_data;
 674         cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
 675 }
 676
 677 static void
 678 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 679 {
 680         cx88_free_buffer(q, (struct cx88_buffer*)vb);
 681 }
 682
 683 static struct videobuf_queue_ops blackbird_qops = {
 684         .buf_setup    = bb_buf_setup,
 685         .buf_prepare  = bb_buf_prepare,
 686         .buf_queue    = bb_buf_queue,
 687         .buf_release  = bb_buf_release,
 688 };
 689
 690 /* ------------------------------------------------------------------ */
 691
 692 static int vidioc_querycap(struct file *file, void  *priv,
 693                                         struct v4l2_capability *cap)
 694 {
 695         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 696         struct cx88_core  *core = dev->core;
 697
 698         strcpy(cap->driver, "cx88_blackbird");
 699         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
 700         cx88_querycap(file, core, cap);
 701         return 0;
 702 }
 703
 704 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
 705                                         struct v4l2_fmtdesc *f)
 706 {
 707         if (f->index != 0)
 708                 return -EINVAL;
 709
 710         strlcpy(f->description, "MPEG", sizeof(f->description));
 711         f->pixelformat = V4L2_PIX_FMT_MPEG;
 712         f->flags = V4L2_FMT_FLAG_COMPRESSED;
 713         return 0;
 714 }
 715
 716 static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
 717                                         struct v4l2_format *f)
 718 {
 719         struct cx8802_fh  *fh   = priv;
 720         struct cx8802_dev *dev  = fh->dev;
 721
 722         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 723         f->fmt.pix.bytesperline = 0;
 724         f->fmt.pix.sizeimage    = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */;
 725         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 726         f->fmt.pix.width        = dev->width;
 727         f->fmt.pix.height       = dev->height;
 728         f->fmt.pix.field        = fh->mpegq.field;
 729         dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
 730                 dev->width, dev->height, fh->mpegq.field );
 731         return 0;
 732 }
 733
 734 static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
 735                         struct v4l2_format *f)
 736 {
 737         struct cx8802_fh  *fh   = priv;
 738         struct cx8802_dev *dev  = fh->dev;
 739
 740         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 741         f->fmt.pix.bytesperline = 0;
 742         f->fmt.pix.sizeimage    = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */;
 743         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 744         dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
 745                 dev->width, dev->height, fh->mpegq.field );
 746         return 0;
 747 }
 748
 749 static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
 750                                         struct v4l2_format *f)
 751 {
 752         struct cx8802_fh  *fh   = priv;
 753         struct cx8802_dev *dev  = fh->dev;
 754         struct cx88_core  *core = dev->core;
 755
 756         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 757         f->fmt.pix.bytesperline = 0;
 758         f->fmt.pix.sizeimage    = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */;
 759         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 760         dev->width              = f->fmt.pix.width;
 761         dev->height             = f->fmt.pix.height;
 762         fh->mpegq.field         = f->fmt.pix.field;
 763         cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
 764         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 765                                 f->fmt.pix.height, f->fmt.pix.width);
 766         dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
 767                 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
 768         return 0;
 769 }
 770
 771 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
 772 {
 773         struct cx8802_fh  *fh   = priv;
 774         return (videobuf_reqbufs(&fh->mpegq, p));
 775 }
 776
 777 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
 778 {
 779         struct cx8802_fh  *fh   = priv;
 780         return (videobuf_querybuf(&fh->mpegq, p));
 781 }
 782
 783 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 784 {
 785         struct cx8802_fh  *fh   = priv;
 786         return (videobuf_qbuf(&fh->mpegq, p));
 787 }
 788
 789 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 790 {
 791         struct cx8802_fh  *fh   = priv;
 792         return (videobuf_dqbuf(&fh->mpegq, p,
 793                                 file->f_flags & O_NONBLOCK));
 794 }
 795
 796 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 797 {
 798         struct cx8802_fh  *fh   = priv;
 799         struct cx8802_dev *dev  = fh->dev;
 800
 801         if (!dev->mpeg_active)
 802                 blackbird_start_codec(file, fh);
 803         return videobuf_streamon(&fh->mpegq);
 804 }
 805
 806 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
 807 {
 808         struct cx8802_fh  *fh   = priv;
 809         struct cx8802_dev *dev  = fh->dev;
 810
 811         if (dev->mpeg_active)
 812                 blackbird_stop_codec(dev);
 813         return videobuf_streamoff(&fh->mpegq);
 814 }
 815
 816 static int vidioc_s_frequency (struct file *file, void *priv,
 817                                 struct v4l2_frequency *f)
 818 {
 819         struct cx8802_fh  *fh   = priv;
 820         struct cx8802_dev *dev  = fh->dev;
 821         struct cx88_core  *core = dev->core;
 822
 823         if (unlikely(UNSET == core->board.tuner_type))
 824                 return -EINVAL;
 825         if (unlikely(f->tuner != 0))
 826                 return -EINVAL;
 827         if (dev->mpeg_active)
 828                 blackbird_stop_codec(dev);
 829
 830         cx88_set_freq (core,f);
 831         blackbird_initialize_codec(dev);
 832         cx88_set_scale(dev->core, dev->width, dev->height,
 833                         fh->mpegq.field);
 834         return 0;
 835 }
 836
 837 static int vidioc_log_status (struct file *file, void *priv)
 838 {
 839         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 840         struct cx88_core  *core = dev->core;
 841         char name[32 + 2];
 842
 843         snprintf(name, sizeof(name), "%s/2", core->name);
 844         call_all(core, core, log_status);
 845         v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
 846         return 0;
 847 }
 848
 849 static int vidioc_enum_input (struct file *file, void *priv,
 850                                 struct v4l2_input *i)
 851 {
 852         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 853         return cx88_enum_input (core,i);
 854 }
 855
 856 static int vidioc_g_frequency (struct file *file, void *priv,
 857                                 struct v4l2_frequency *f)
 858 {
 859         struct cx8802_fh  *fh   = priv;
 860         struct cx88_core  *core = fh->dev->core;
 861
 862         if (unlikely(UNSET == core->board.tuner_type))
 863                 return -EINVAL;
 864         if (unlikely(f->tuner != 0))
 865                 return -EINVAL;
 866
 867         f->frequency = core->freq;
 868         call_all(core, tuner, g_frequency, f);
 869
 870         return 0;
 871 }
 872
 873 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
 874 {
 875         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 876
 877         *i = core->input;
 878         return 0;
 879 }
 880
 881 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
 882 {
 883         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 884
 885         if (i >= 4)
 886                 return -EINVAL;
 887         if (0 == INPUT(i).type)
 888                 return -EINVAL;
 889
 890         mutex_lock(&core->lock);
 891         cx88_newstation(core);
 892         cx88_video_mux(core,i);
 893         mutex_unlock(&core->lock);
 894         return 0;
 895 }
 896
 897 static int vidioc_g_tuner (struct file *file, void *priv,
 898                                 struct v4l2_tuner *t)
 899 {
 900         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 901         u32 reg;
 902
 903         if (unlikely(UNSET == core->board.tuner_type))
 904                 return -EINVAL;
 905         if (0 != t->index)
 906                 return -EINVAL;
 907
 908         strcpy(t->name, "Television");
 909         t->capability = V4L2_TUNER_CAP_NORM;
 910         t->rangehigh  = 0xffffffffUL;
 911         call_all(core, tuner, g_tuner, t);
 912
 913         cx88_get_stereo(core ,t);
 914         reg = cx_read(MO_DEVICE_STATUS);
 915         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
 916         return 0;
 917 }
 918
 919 static int vidioc_s_tuner (struct file *file, void *priv,
 920                                 struct v4l2_tuner *t)
 921 {
 922         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 923
 924         if (UNSET == core->board.tuner_type)
 925                 return -EINVAL;
 926         if (0 != t->index)
 927                 return -EINVAL;
 928
 929         cx88_set_stereo(core, t->audmode, 1);
 930         return 0;
 931 }
 932
 933 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
 934 {
 935         struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
 936
 937         *tvnorm = core->tvnorm;
 938         return 0;
 939 }
 940
 941 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
 942 {
 943         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 944
 945         mutex_lock(&core->lock);
 946         cx88_set_tvnorm(core,*id);
 947         mutex_unlock(&core->lock);
 948         return 0;
 949 }
 950
 951 /* FIXME: cx88_ioctl_hook not implemented */
 952
 953 static int mpeg_open(struct file *file)
 954 {
 955         struct video_device *vdev = video_devdata(file);
 956         struct cx8802_dev *dev = video_drvdata(file);
 957         struct cx8802_fh *fh;
 958         struct cx8802_driver *drv = NULL;
 959         int err;
 960
 961         dprintk( 1, "%s\n", __func__);
 962
 963         mutex_lock(&dev->core->lock);
 964
 965         /* Make sure we can acquire the hardware */
 966         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
 967         if (!drv) {
 968                 dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
 969                 mutex_unlock(&dev->core->lock);
 970                 return -ENODEV;
 971         }
 972
 973         err = drv->request_acquire(drv);
 974         if (err != 0) {
 975                 dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
 976                 mutex_unlock(&dev->core->lock);
 977                 return err;
 978         }
 979
 980         if (!dev->core->mpeg_users && blackbird_initialize_codec(dev) < 0) {
 981                 drv->request_release(drv);
 982                 mutex_unlock(&dev->core->lock);
 983                 return -EINVAL;
 984         }
 985         dprintk(1, "open dev=%s\n", video_device_node_name(vdev));
 986
 987         /* allocate + initialize per filehandle data */
 988         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 989         if (NULL == fh) {
 990                 drv->request_release(drv);
 991                 mutex_unlock(&dev->core->lock);
 992                 return -ENOMEM;
 993         }
 994         v4l2_fh_init(&fh->fh, vdev);
 995         file->private_data = fh;
 996         fh->dev      = dev;
 997
 998         videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
 999                             &dev->pci->dev, &dev->slock,
1000                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1001                             V4L2_FIELD_INTERLACED,
1002                             sizeof(struct cx88_buffer),
1003                             fh, NULL);
1004
1005         /* FIXME: locking against other video device */
1006         cx88_set_scale(dev->core, dev->width, dev->height,
1007                         fh->mpegq.field);
1008
1009         dev->core->mpeg_users++;
1010         mutex_unlock(&dev->core->lock);
1011         v4l2_fh_add(&fh->fh);
1012         return 0;
1013 }
1014
1015 static int mpeg_release(struct file *file)
1016 {
1017         struct cx8802_fh  *fh  = file->private_data;
1018         struct cx8802_dev *dev = fh->dev;
1019         struct cx8802_driver *drv = NULL;
1020
1021         mutex_lock(&dev->core->lock);
1022
1023         if (dev->mpeg_active && dev->core->mpeg_users == 1)
1024                 blackbird_stop_codec(dev);
1025
1026         cx8802_cancel_buffers(fh->dev);
1027         /* stop mpeg capture */
1028         videobuf_stop(&fh->mpegq);
1029
1030         videobuf_mmap_free(&fh->mpegq);
1031
1032         v4l2_fh_del(&fh->fh);
1033         v4l2_fh_exit(&fh->fh);
1034         file->private_data = NULL;
1035         kfree(fh);
1036
1037         /* Make sure we release the hardware */
1038         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1039         WARN_ON(!drv);
1040         if (drv)
1041                 drv->request_release(drv);
1042
1043         dev->core->mpeg_users--;
1044
1045         mutex_unlock(&dev->core->lock);
1046
1047         return 0;
1048 }
1049
1050 static ssize_t
1051 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1052 {
1053         struct cx8802_fh *fh = file->private_data;
1054         struct cx8802_dev *dev = fh->dev;
1055
1056         if (!dev->mpeg_active)
1057                 blackbird_start_codec(file, fh);
1058
1059         return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1060                                     file->f_flags & O_NONBLOCK);
1061 }
1062
1063 static unsigned int
1064 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1065 {
1066         unsigned long req_events = poll_requested_events(wait);
1067         struct cx8802_fh *fh = file->private_data;
1068         struct cx8802_dev *dev = fh->dev;
1069
1070         if (!dev->mpeg_active && (req_events & (POLLIN | POLLRDNORM)))
1071                 blackbird_start_codec(file, fh);
1072
1073         return v4l2_ctrl_poll(file, wait) | videobuf_poll_stream(file, &fh->mpegq, wait);
1074 }
1075
1076 static int
1077 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1078 {
1079         struct cx8802_fh *fh = file->private_data;
1080
1081         return videobuf_mmap_mapper(&fh->mpegq, vma);
1082 }
1083
1084 static const struct v4l2_file_operations mpeg_fops =
1085 {
1086         .owner         = THIS_MODULE,
1087         .open          = mpeg_open,
1088         .release       = mpeg_release,
1089         .read          = mpeg_read,
1090         .poll          = mpeg_poll,
1091         .mmap          = mpeg_mmap,
1092         .unlocked_ioctl = video_ioctl2,
1093 };
1094
1095 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1096         .vidioc_querycap      = vidioc_querycap,
1097         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1098         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1099         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1100         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1101         .vidioc_reqbufs       = vidioc_reqbufs,
1102         .vidioc_querybuf      = vidioc_querybuf,
1103         .vidioc_qbuf          = vidioc_qbuf,
1104         .vidioc_dqbuf         = vidioc_dqbuf,
1105         .vidioc_streamon      = vidioc_streamon,
1106         .vidioc_streamoff     = vidioc_streamoff,
1107         .vidioc_s_frequency   = vidioc_s_frequency,
1108         .vidioc_log_status    = vidioc_log_status,
1109         .vidioc_enum_input    = vidioc_enum_input,
1110         .vidioc_g_frequency   = vidioc_g_frequency,
1111         .vidioc_g_input       = vidioc_g_input,
1112         .vidioc_s_input       = vidioc_s_input,
1113         .vidioc_g_tuner       = vidioc_g_tuner,
1114         .vidioc_s_tuner       = vidioc_s_tuner,
1115         .vidioc_g_std         = vidioc_g_std,
1116         .vidioc_s_std         = vidioc_s_std,
1117         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1118         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1119 };
1120
1121 static struct video_device cx8802_mpeg_template = {
1122         .name                 = "cx8802",
1123         .fops                 = &mpeg_fops,
1124         .ioctl_ops            = &mpeg_ioctl_ops,
1125         .tvnorms              = CX88_NORMS,
1126 };
1127
1128 /* ------------------------------------------------------------------ */
1129
1130 /* The CX8802 MPEG API will call this when we can use the hardware */
1131 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1132 {
1133         struct cx88_core *core = drv->core;
1134         int err = 0;
1135
1136         switch (core->boardnr) {
1137         case CX88_BOARD_HAUPPAUGE_HVR1300:
1138                 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1139                  * We left the hardware on power up with the cx22702 active.
1140                  * We're being given access to re-arrange the GPIOs.
1141                  * Take the bus off the cx22702 and put the cx23416 on it.
1142                  */
1143                 /* Toggle reset on cx22702 leaving i2c active */
1144                 cx_set(MO_GP0_IO, 0x00000080);
1145                 udelay(1000);
1146                 cx_clear(MO_GP0_IO, 0x00000080);
1147                 udelay(50);
1148                 cx_set(MO_GP0_IO, 0x00000080);
1149                 udelay(1000);
1150                 /* tri-state the cx22702 pins */
1151                 cx_set(MO_GP0_IO, 0x00000004);
1152                 udelay(1000);
1153                 break;
1154         default:
1155                 err = -ENODEV;
1156         }
1157         return err;
1158 }
1159
1160 /* The CX8802 MPEG API will call this when we need to release the hardware */
1161 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1162 {
1163         struct cx88_core *core = drv->core;
1164         int err = 0;
1165
1166         switch (core->boardnr) {
1167         case CX88_BOARD_HAUPPAUGE_HVR1300:
1168                 /* Exit leaving the cx23416 on the bus */
1169                 break;
1170         default:
1171                 err = -ENODEV;
1172         }
1173         return err;
1174 }
1175
1176 static void blackbird_unregister_video(struct cx8802_dev *dev)
1177 {
1178         if (dev->mpeg_dev) {
1179                 if (video_is_registered(dev->mpeg_dev))
1180                         video_unregister_device(dev->mpeg_dev);
1181                 else
1182                         video_device_release(dev->mpeg_dev);
1183                 dev->mpeg_dev = NULL;
1184         }
1185 }
1186
1187 static int blackbird_register_video(struct cx8802_dev *dev)
1188 {
1189         int err;
1190
1191         dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1192                                        &cx8802_mpeg_template,"mpeg");
1193         dev->mpeg_dev->ctrl_handler = &dev->cxhdl.hdl;
1194         video_set_drvdata(dev->mpeg_dev, dev);
1195         err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1196         if (err < 0) {
1197                 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1198                        dev->core->name);
1199                 return err;
1200         }
1201         printk(KERN_INFO "%s/2: registered device %s [mpeg]\n",
1202                dev->core->name, video_device_node_name(dev->mpeg_dev));
1203         return 0;
1204 }
1205
1206 /* ----------------------------------------------------------- */
1207
1208 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1209 {
1210         struct cx88_core *core = drv->core;
1211         struct cx8802_dev *dev = core->dvbdev;
1212         int err;
1213
1214         dprintk( 1, "%s\n", __func__);
1215         dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1216                 core->boardnr,
1217                 core->name,
1218                 core->pci_bus,
1219                 core->pci_slot);
1220
1221         err = -ENODEV;
1222         if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1223                 goto fail_core;
1224
1225         dev->width = 720;
1226         if (core->tvnorm & V4L2_STD_525_60) {
1227                 dev->height = 480;
1228         } else {
1229                 dev->height = 576;
1230         }
1231         dev->cxhdl.port = CX2341X_PORT_STREAMING;
1232         dev->cxhdl.width = dev->width;
1233         dev->cxhdl.height = dev->height;
1234         dev->cxhdl.func = blackbird_mbox_func;
1235         dev->cxhdl.priv = dev;
1236         err = cx2341x_handler_init(&dev->cxhdl, 36);
1237         if (err)
1238                 goto fail_core;
1239         v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl);
1240
1241         /* blackbird stuff */
1242         printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1243                core->name);
1244         host_setup(dev->core);
1245
1246         blackbird_initialize_codec(dev);
1247
1248         /* initial device configuration: needed ? */
1249 //      init_controls(core);
1250         cx88_set_tvnorm(core,core->tvnorm);
1251         cx88_video_mux(core,0);
1252         cx2341x_handler_set_50hz(&dev->cxhdl, dev->height == 576);
1253         cx2341x_handler_setup(&dev->cxhdl);
1254         blackbird_register_video(dev);
1255
1256         return 0;
1257
1258  fail_core:
1259         return err;
1260 }
1261
1262 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1263 {
1264         struct cx88_core *core = drv->core;
1265         struct cx8802_dev *dev = core->dvbdev;
1266
1267         /* blackbird */
1268         blackbird_unregister_video(drv->core->dvbdev);
1269         v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
1270
1271         return 0;
1272 }
1273
1274 static struct cx8802_driver cx8802_blackbird_driver = {
1275         .type_id        = CX88_MPEG_BLACKBIRD,
1276         .hw_access      = CX8802_DRVCTL_SHARED,
1277         .probe          = cx8802_blackbird_probe,
1278         .remove         = cx8802_blackbird_remove,
1279         .advise_acquire = cx8802_blackbird_advise_acquire,
1280         .advise_release = cx8802_blackbird_advise_release,
1281 };
1282
1283 static int __init blackbird_init(void)
1284 {
1285         printk(KERN_INFO "cx2388x blackbird driver version %s loaded\n",
1286                CX88_VERSION);
1287         return cx8802_register_driver(&cx8802_blackbird_driver);
1288 }
1289
1290 static void __exit blackbird_fini(void)
1291 {
1292         cx8802_unregister_driver(&cx8802_blackbird_driver);
1293 }
1294
1295 module_init(blackbird_init);
1296 module_exit(blackbird_fini);
1297
1298 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1299 MODULE_PARM_DESC(debug,"enable debug messages [video]");