Pileus Git - ~andy/linux/blob - 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/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...) do {                                      \
  57         if (debug + 1 > level)                                                \
  58                 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg); \
  59 } while(0)
  60
  61 /* ------------------------------------------------------------------ */
  62
  63 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
  64
  65 /* defines below are from ivtv-driver.h */
  66
  67 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
  68
  69 /* Firmware API commands */
  70 #define IVTV_API_STD_TIMEOUT 500
  71
  72 enum blackbird_capture_type {
  73         BLACKBIRD_MPEG_CAPTURE,
  74         BLACKBIRD_RAW_CAPTURE,
  75         BLACKBIRD_RAW_PASSTHRU_CAPTURE
  76 };
  77 enum blackbird_capture_bits {
  78         BLACKBIRD_RAW_BITS_NONE             = 0x00,
  79         BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
  80         BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
  81         BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
  82         BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
  83         BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
  84 };
  85 enum blackbird_capture_end {
  86         BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
  87         BLACKBIRD_END_NOW, /* stop immediately, no irq */
  88 };
  89 enum blackbird_framerate {
  90         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
  91         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
  92 };
  93 enum blackbird_stream_port {
  94         BLACKBIRD_OUTPUT_PORT_MEMORY,
  95         BLACKBIRD_OUTPUT_PORT_STREAMING,
  96         BLACKBIRD_OUTPUT_PORT_SERIAL
  97 };
  98 enum blackbird_data_xfer_status {
  99         BLACKBIRD_MORE_BUFFERS_FOLLOW,
 100         BLACKBIRD_LAST_BUFFER,
 101 };
 102 enum blackbird_picture_mask {
 103         BLACKBIRD_PICTURE_MASK_NONE,
 104         BLACKBIRD_PICTURE_MASK_I_FRAMES,
 105         BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
 106         BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
 107 };
 108 enum blackbird_vbi_mode_bits {
 109         BLACKBIRD_VBI_BITS_SLICED,
 110         BLACKBIRD_VBI_BITS_RAW,
 111 };
 112 enum blackbird_vbi_insertion_bits {
 113         BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 114         BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 115         BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 116         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 117         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 118 };
 119 enum blackbird_dma_unit {
 120         BLACKBIRD_DMA_BYTES,
 121         BLACKBIRD_DMA_FRAMES,
 122 };
 123 enum blackbird_dma_transfer_status_bits {
 124         BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
 125         BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
 126         BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 127 };
 128 enum blackbird_pause {
 129         BLACKBIRD_PAUSE_ENCODING,
 130         BLACKBIRD_RESUME_ENCODING,
 131 };
 132 enum blackbird_copyright {
 133         BLACKBIRD_COPYRIGHT_OFF,
 134         BLACKBIRD_COPYRIGHT_ON,
 135 };
 136 enum blackbird_notification_type {
 137         BLACKBIRD_NOTIFICATION_REFRESH,
 138 };
 139 enum blackbird_notification_status {
 140         BLACKBIRD_NOTIFICATION_OFF,
 141         BLACKBIRD_NOTIFICATION_ON,
 142 };
 143 enum blackbird_notification_mailbox {
 144         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 145 };
 146 enum blackbird_field1_lines {
 147         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 148         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 149         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 150 };
 151 enum blackbird_field2_lines {
 152         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 153         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 154         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 155 };
 156 enum blackbird_custom_data_type {
 157         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 158         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 159 };
 160 enum blackbird_mute {
 161         BLACKBIRD_UNMUTE,
 162         BLACKBIRD_MUTE,
 163 };
 164 enum blackbird_mute_video_mask {
 165         BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
 166         BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
 167         BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
 168 };
 169 enum blackbird_mute_video_shift {
 170         BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
 171         BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
 172         BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
 173 };
 174
 175 /* Registers */
 176 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
 177 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
 178 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
 179 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
 180 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
 181 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
 182
 183 /* ------------------------------------------------------------------ */
 184
 185 static void host_setup(struct cx88_core *core)
 186 {
 187         /* toggle reset of the host */
 188         cx_write(MO_GPHST_SOFT_RST, 1);
 189         udelay(100);
 190         cx_write(MO_GPHST_SOFT_RST, 0);
 191         udelay(100);
 192
 193         /* host port setup */
 194         cx_write(MO_GPHST_WSC, 0x44444444U);
 195         cx_write(MO_GPHST_XFR, 0);
 196         cx_write(MO_GPHST_WDTH, 15);
 197         cx_write(MO_GPHST_HDSHK, 0);
 198         cx_write(MO_GPHST_MUX16, 0x44448888U);
 199         cx_write(MO_GPHST_MODE, 0);
 200 }
 201
 202 /* ------------------------------------------------------------------ */
 203
 204 #define P1_MDATA0 0x390000
 205 #define P1_MDATA1 0x390001
 206 #define P1_MDATA2 0x390002
 207 #define P1_MDATA3 0x390003
 208 #define P1_MADDR2 0x390004
 209 #define P1_MADDR1 0x390005
 210 #define P1_MADDR0 0x390006
 211 #define P1_RDATA0 0x390008
 212 #define P1_RDATA1 0x390009
 213 #define P1_RDATA2 0x39000A
 214 #define P1_RDATA3 0x39000B
 215 #define P1_RADDR0 0x39000C
 216 #define P1_RADDR1 0x39000D
 217 #define P1_RRDWR  0x39000E
 218
 219 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 220 {
 221         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 222         u32 gpio0,need;
 223
 224         need = state ? 2 : 0;
 225         for (;;) {
 226                 gpio0 = cx_read(MO_GP0_IO) & 2;
 227                 if (need == gpio0)
 228                         return 0;
 229                 if (time_after(jiffies,timeout))
 230                         return -1;
 231                 udelay(1);
 232         }
 233 }
 234
 235 static int memory_write(struct cx88_core *core, u32 address, u32 value)
 236 {
 237         /* Warning: address is dword address (4 bytes) */
 238         cx_writeb(P1_MDATA0, (unsigned int)value);
 239         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
 240         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
 241         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
 242         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
 243         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 244         cx_writeb(P1_MADDR0, (unsigned int)address);
 245         cx_read(P1_MDATA0);
 246         cx_read(P1_MADDR0);
 247
 248         return wait_ready_gpio0_bit1(core,1);
 249 }
 250
 251 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 252 {
 253         int retval;
 254         u32 val;
 255
 256         /* Warning: address is dword address (4 bytes) */
 257         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
 258         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 259         cx_writeb(P1_MADDR0, (unsigned int)address);
 260         cx_read(P1_MADDR0);
 261
 262         retval = wait_ready_gpio0_bit1(core,1);
 263
 264         cx_writeb(P1_MDATA3, 0);
 265         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
 266         cx_writeb(P1_MDATA2, 0);
 267         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
 268         cx_writeb(P1_MDATA1, 0);
 269         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
 270         cx_writeb(P1_MDATA0, 0);
 271         val    |= (unsigned char)cx_read(P1_MDATA0);
 272
 273         *value  = val;
 274         return retval;
 275 }
 276
 277 static int register_write(struct cx88_core *core, u32 address, u32 value)
 278 {
 279         cx_writeb(P1_RDATA0, (unsigned int)value);
 280         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
 281         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
 282         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
 283         cx_writeb(P1_RADDR0, (unsigned int)address);
 284         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 285         cx_writeb(P1_RRDWR, 1);
 286         cx_read(P1_RDATA0);
 287         cx_read(P1_RADDR0);
 288
 289         return wait_ready_gpio0_bit1(core,1);
 290 }
 291
 292
 293 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 294 {
 295         int retval;
 296         u32 val;
 297
 298         cx_writeb(P1_RADDR0, (unsigned int)address);
 299         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 300         cx_writeb(P1_RRDWR, 0);
 301         cx_read(P1_RADDR0);
 302
 303         retval  = wait_ready_gpio0_bit1(core,1);
 304         val     = (unsigned char)cx_read(P1_RDATA0);
 305         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 306         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
 307         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
 308
 309         *value  = val;
 310         return retval;
 311 }
 312
 313 /* ------------------------------------------------------------------ */
 314
 315 static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
 316 {
 317         struct cx8802_dev *dev = priv;
 318         unsigned long timeout;
 319         u32 value, flag, retval;
 320         int i;
 321
 322         dprintk(1,"%s: 0x%X\n", __func__, command);
 323
 324         /* this may not be 100% safe if we can't read any memory location
 325            without side effects */
 326         memory_read(dev->core, dev->mailbox - 4, &value);
 327         if (value != 0x12345678) {
 328                 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
 329                 return -1;
 330         }
 331
 332         memory_read(dev->core, dev->mailbox, &flag);
 333         if (flag) {
 334                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 335                 return -1;
 336         }
 337
 338         flag |= 1; /* tell 'em we're working on it */
 339         memory_write(dev->core, dev->mailbox, flag);
 340
 341         /* write command + args + fill remaining with zeros */
 342         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 343         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
 344         for (i = 0; i < in; i++) {
 345                 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
 346                 dprintk(1, "API Input %d = %d\n", i, data[i]);
 347         }
 348         for (; i < CX2341X_MBOX_MAX_DATA; i++)
 349                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
 350
 351         flag |= 3; /* tell 'em we're done writing */
 352         memory_write(dev->core, dev->mailbox, flag);
 353
 354         /* wait for firmware to handle the API command */
 355         timeout = jiffies + msecs_to_jiffies(10);
 356         for (;;) {
 357                 memory_read(dev->core, dev->mailbox, &flag);
 358                 if (0 != (flag & 4))
 359                         break;
 360                 if (time_after(jiffies,timeout)) {
 361                         dprintk(0, "ERROR: API Mailbox timeout\n");
 362                         return -1;
 363                 }
 364                 udelay(10);
 365         }
 366
 367         /* read output values */
 368         for (i = 0; i < out; i++) {
 369                 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
 370                 dprintk(1, "API Output %d = %d\n", i, data[i]);
 371         }
 372
 373         memory_read(dev->core, dev->mailbox + 2, &retval);
 374         dprintk(1, "API result = %d\n",retval);
 375
 376         flag = 0;
 377         memory_write(dev->core, dev->mailbox, flag);
 378         return retval;
 379 }
 380 /* ------------------------------------------------------------------ */
 381
 382 /* We don't need to call the API often, so using just one mailbox will probably suffice */
 383 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 384                              u32 inputcnt, u32 outputcnt, ...)
 385 {
 386         u32 data[CX2341X_MBOX_MAX_DATA];
 387         va_list vargs;
 388         int i, err;
 389
 390         va_start(vargs, outputcnt);
 391
 392         for (i = 0; i < inputcnt; i++) {
 393                 data[i] = va_arg(vargs, int);
 394         }
 395         err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
 396         for (i = 0; i < outputcnt; i++) {
 397                 int *vptr = va_arg(vargs, int *);
 398                 *vptr = data[i];
 399         }
 400         va_end(vargs);
 401         return err;
 402 }
 403
 404 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 405 {
 406         u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
 407         int signaturecnt=0;
 408         u32 value;
 409         int i;
 410
 411         for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 412                 memory_read(dev->core, i, &value);
 413                 if (value == signature[signaturecnt])
 414                         signaturecnt++;
 415                 else
 416                         signaturecnt = 0;
 417                 if (4 == signaturecnt) {
 418                         dprintk(1, "Mailbox signature found\n");
 419                         return i+1;
 420                 }
 421         }
 422         dprintk(0, "Mailbox signature values not found!\n");
 423         return -1;
 424 }
 425
 426 static int blackbird_load_firmware(struct cx8802_dev *dev)
 427 {
 428         static const unsigned char magic[8] = {
 429                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 430         };
 431         const struct firmware *firmware;
 432         int i, retval = 0;
 433         u32 value = 0;
 434         u32 checksum = 0;
 435         u32 *dataptr;
 436
 437         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 438         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 439         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
 440         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 441         msleep(1);
 442         retval |= register_write(dev->core, IVTV_REG_APU, 0);
 443
 444         if (retval < 0)
 445                 dprintk(0, "Error with register_write\n");
 446
 447         retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
 448                                   &dev->pci->dev);
 449
 450
 451         if (retval != 0) {
 452                 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
 453                         CX2341X_FIRM_ENC_FILENAME);
 454                 dprintk(0, "Please fix your hotplug setup, the board will "
 455                         "not work without firmware loaded!\n");
 456                 return -1;
 457         }
 458
 459         if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 460                 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
 461                         firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 462                 release_firmware(firmware);
 463                 return -1;
 464         }
 465
 466         if (0 != memcmp(firmware->data, magic, 8)) {
 467                 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
 468                 release_firmware(firmware);
 469                 return -1;
 470         }
 471
 472         /* transfer to the chip */
 473         dprintk(1,"Loading firmware ...\n");
 474         dataptr = (u32*)firmware->data;
 475         for (i = 0; i < (firmware->size >> 2); i++) {
 476                 value = le32_to_cpu(*dataptr);
 477                 checksum += ~value;
 478                 memory_write(dev->core, i, value);
 479                 dataptr++;
 480         }
 481
 482         /* read back to verify with the checksum */
 483         for (i--; i >= 0; i--) {
 484                 memory_read(dev->core, i, &value);
 485                 checksum -= ~value;
 486         }
 487         if (checksum) {
 488                 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
 489                 release_firmware(firmware);
 490                 return -1;
 491         }
 492         release_firmware(firmware);
 493         dprintk(0, "Firmware upload successful.\n");
 494
 495         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 496         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 497         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 498         msleep(1);
 499
 500         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 501         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 502
 503         if (retval < 0)
 504                 dprintk(0, "Error with register_write\n");
 505         return 0;
 506 }
 507
 508 /**
 509  Settings used by the windows tv app for PVR2000:
 510 =================================================================================================================
 511 Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 512 -----------------------------------------------------------------------------------------------------------------
 513 MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 514 MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 515 VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 516 DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 517 DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 518 =================================================================================================================
 519 *DB: "DirectBurn"
 520 */
 521
 522 static void blackbird_codec_settings(struct cx8802_dev *dev)
 523 {
 524         /* assign frame size */
 525         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 526                                 dev->height, dev->width);
 527
 528         dev->cxhdl.width = dev->width;
 529         dev->cxhdl.height = dev->height;
 530         cx2341x_handler_set_50hz(&dev->cxhdl, dev->core->tvnorm & V4L2_STD_625_50);
 531         cx2341x_handler_setup(&dev->cxhdl);
 532 }
 533
 534 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 535 {
 536         struct cx88_core *core = dev->core;
 537         int version;
 538         int retval;
 539
 540         dprintk(1,"Initialize codec\n");
 541         retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 542         if (retval < 0) {
 543
 544                 dev->mpeg_active = 0;
 545
 546                 /* ping was not successful, reset and upload firmware */
 547                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 548                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 549                 retval = blackbird_load_firmware(dev);
 550                 if (retval < 0)
 551                         return retval;
 552
 553                 retval = blackbird_find_mailbox(dev);
 554                 if (retval < 0)
 555                         return -1;
 556
 557                 dev->mailbox = retval;
 558
 559                 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 560                 if (retval < 0) {
 561                         dprintk(0, "ERROR: Firmware ping failed!\n");
 562                         return -1;
 563                 }
 564
 565                 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
 566                 if (retval < 0) {
 567                         dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 568                         return -1;
 569                 }
 570                 dprintk(0, "Firmware version is 0x%08x\n", version);
 571         }
 572
 573         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 574         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 575         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 576         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 577
 578         blackbird_codec_settings(dev);
 579
 580         blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
 581                         BLACKBIRD_FIELD1_SAA7115,
 582                         BLACKBIRD_FIELD2_SAA7115
 583                 );
 584
 585         blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
 586                         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 587                         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 588
 589         return 0;
 590 }
 591
 592 static int blackbird_start_codec(struct file *file, void *priv)
 593 {
 594         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 595         struct cx88_core *core = dev->core;
 596         /* start capturing to the host interface */
 597         u32 reg;
 598
 599         int i;
 600         int lastchange = -1;
 601         int lastval = 0;
 602
 603         for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
 604                 reg = cx_read(AUD_STATUS);
 605
 606                 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
 607                 if ((reg & 0x0F) != lastval) {
 608                         lastval = reg & 0x0F;
 609                         lastchange = i;
 610                 }
 611                 msleep(100);
 612         }
 613
 614         /* unmute audio source */
 615         cx_clear(AUD_VOL_CTL, (1 << 6));
 616
 617         blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
 618
 619         /* initialize the video input */
 620         blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
 621
 622         cx2341x_handler_set_busy(&dev->cxhdl, 1);
 623
 624         /* start capturing to the host interface */
 625         blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
 626                         BLACKBIRD_MPEG_CAPTURE,
 627                         BLACKBIRD_RAW_BITS_NONE
 628                 );
 629
 630         dev->mpeg_active = 1;
 631         return 0;
 632 }
 633
 634 static int blackbird_stop_codec(struct cx8802_dev *dev)
 635 {
 636         blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
 637                         BLACKBIRD_END_NOW,
 638                         BLACKBIRD_MPEG_CAPTURE,
 639                         BLACKBIRD_RAW_BITS_NONE
 640                 );
 641
 642         cx2341x_handler_set_busy(&dev->cxhdl, 0);
 643
 644         dev->mpeg_active = 0;
 645         return 0;
 646 }
 647
 648 /* ------------------------------------------------------------------ */
 649
 650 static int bb_buf_setup(struct videobuf_queue *q,
 651                         unsigned int *count, unsigned int *size)
 652 {
 653         struct cx8802_fh *fh = q->priv_data;
 654
 655         fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
 656         fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
 657
 658         *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
 659         *count = fh->dev->ts_packet_count;
 660         return 0;
 661 }
 662
 663 static int
 664 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 665                enum v4l2_field field)
 666 {
 667         struct cx8802_fh *fh = q->priv_data;
 668         return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
 669 }
 670
 671 static void
 672 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 673 {
 674         struct cx8802_fh *fh = q->priv_data;
 675         cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
 676 }
 677
 678 static void
 679 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 680 {
 681         cx88_free_buffer(q, (struct cx88_buffer*)vb);
 682 }
 683
 684 static struct videobuf_queue_ops blackbird_qops = {
 685         .buf_setup    = bb_buf_setup,
 686         .buf_prepare  = bb_buf_prepare,
 687         .buf_queue    = bb_buf_queue,
 688         .buf_release  = bb_buf_release,
 689 };
 690
 691 /* ------------------------------------------------------------------ */
 692
 693 static int vidioc_querycap(struct file *file, void  *priv,
 694                                         struct v4l2_capability *cap)
 695 {
 696         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 697         struct cx88_core  *core = dev->core;
 698
 699         strcpy(cap->driver, "cx88_blackbird");
 700         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
 701         cx88_querycap(file, core, cap);
 702         return 0;
 703 }
 704
 705 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
 706                                         struct v4l2_fmtdesc *f)
 707 {
 708         if (f->index != 0)
 709                 return -EINVAL;
 710
 711         strlcpy(f->description, "MPEG", sizeof(f->description));
 712         f->pixelformat = V4L2_PIX_FMT_MPEG;
 713         f->flags = V4L2_FMT_FLAG_COMPRESSED;
 714         return 0;
 715 }
 716
 717 static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
 718                                         struct v4l2_format *f)
 719 {
 720         struct cx8802_fh  *fh   = priv;
 721         struct cx8802_dev *dev  = fh->dev;
 722
 723         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 724         f->fmt.pix.bytesperline = 0;
 725         f->fmt.pix.sizeimage    = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */
 726         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 727         f->fmt.pix.width        = dev->width;
 728         f->fmt.pix.height       = dev->height;
 729         f->fmt.pix.field        = fh->mpegq.field;
 730         dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
 731                 dev->width, dev->height, fh->mpegq.field );
 732         return 0;
 733 }
 734
 735 static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
 736                         struct v4l2_format *f)
 737 {
 738         struct cx8802_fh  *fh   = priv;
 739         struct cx8802_dev *dev  = fh->dev;
 740
 741         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 742         f->fmt.pix.bytesperline = 0;
 743         f->fmt.pix.sizeimage    = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */
 744         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 745         dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
 746                 dev->width, dev->height, fh->mpegq.field );
 747         return 0;
 748 }
 749
 750 static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
 751                                         struct v4l2_format *f)
 752 {
 753         struct cx8802_fh  *fh   = priv;
 754         struct cx8802_dev *dev  = fh->dev;
 755         struct cx88_core  *core = dev->core;
 756
 757         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 758         f->fmt.pix.bytesperline = 0;
 759         f->fmt.pix.sizeimage    = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */
 760         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 761         dev->width              = f->fmt.pix.width;
 762         dev->height             = f->fmt.pix.height;
 763         fh->mpegq.field         = f->fmt.pix.field;
 764         cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
 765         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 766                                 f->fmt.pix.height, f->fmt.pix.width);
 767         dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
 768                 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
 769         return 0;
 770 }
 771
 772 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
 773 {
 774         struct cx8802_fh  *fh   = priv;
 775         return (videobuf_reqbufs(&fh->mpegq, p));
 776 }
 777
 778 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
 779 {
 780         struct cx8802_fh  *fh   = priv;
 781         return (videobuf_querybuf(&fh->mpegq, p));
 782 }
 783
 784 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 785 {
 786         struct cx8802_fh  *fh   = priv;
 787         return (videobuf_qbuf(&fh->mpegq, p));
 788 }
 789
 790 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 791 {
 792         struct cx8802_fh  *fh   = priv;
 793         return (videobuf_dqbuf(&fh->mpegq, p,
 794                                 file->f_flags & O_NONBLOCK));
 795 }
 796
 797 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 798 {
 799         struct cx8802_fh  *fh   = priv;
 800         struct cx8802_dev *dev  = fh->dev;
 801
 802         if (!dev->mpeg_active)
 803                 blackbird_start_codec(file, fh);
 804         return videobuf_streamon(&fh->mpegq);
 805 }
 806
 807 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
 808 {
 809         struct cx8802_fh  *fh   = priv;
 810         struct cx8802_dev *dev  = fh->dev;
 811
 812         if (dev->mpeg_active)
 813                 blackbird_stop_codec(dev);
 814         return videobuf_streamoff(&fh->mpegq);
 815 }
 816
 817 static int vidioc_s_frequency (struct file *file, void *priv,
 818                                 struct v4l2_frequency *f)
 819 {
 820         struct cx8802_fh  *fh   = priv;
 821         struct cx8802_dev *dev  = fh->dev;
 822         struct cx88_core  *core = dev->core;
 823
 824         if (unlikely(UNSET == core->board.tuner_type))
 825                 return -EINVAL;
 826         if (unlikely(f->tuner != 0))
 827                 return -EINVAL;
 828         if (dev->mpeg_active)
 829                 blackbird_stop_codec(dev);
 830
 831         cx88_set_freq (core,f);
 832         blackbird_initialize_codec(dev);
 833         cx88_set_scale(dev->core, dev->width, dev->height,
 834                         fh->mpegq.field);
 835         return 0;
 836 }
 837
 838 static int vidioc_log_status (struct file *file, void *priv)
 839 {
 840         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 841         struct cx88_core  *core = dev->core;
 842         char name[32 + 2];
 843
 844         snprintf(name, sizeof(name), "%s/2", core->name);
 845         call_all(core, core, log_status);
 846         v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
 847         return 0;
 848 }
 849
 850 static int vidioc_enum_input (struct file *file, void *priv,
 851                                 struct v4l2_input *i)
 852 {
 853         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 854         return cx88_enum_input (core,i);
 855 }
 856
 857 static int vidioc_g_frequency (struct file *file, void *priv,
 858                                 struct v4l2_frequency *f)
 859 {
 860         struct cx8802_fh  *fh   = priv;
 861         struct cx88_core  *core = fh->dev->core;
 862
 863         if (unlikely(UNSET == core->board.tuner_type))
 864                 return -EINVAL;
 865         if (unlikely(f->tuner != 0))
 866                 return -EINVAL;
 867
 868         f->frequency = core->freq;
 869         call_all(core, tuner, g_frequency, f);
 870
 871         return 0;
 872 }
 873
 874 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
 875 {
 876         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 877
 878         *i = core->input;
 879         return 0;
 880 }
 881
 882 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
 883 {
 884         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 885
 886         if (i >= 4)
 887                 return -EINVAL;
 888         if (0 == INPUT(i).type)
 889                 return -EINVAL;
 890
 891         mutex_lock(&core->lock);
 892         cx88_newstation(core);
 893         cx88_video_mux(core,i);
 894         mutex_unlock(&core->lock);
 895         return 0;
 896 }
 897
 898 static int vidioc_g_tuner (struct file *file, void *priv,
 899                                 struct v4l2_tuner *t)
 900 {
 901         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 902         u32 reg;
 903
 904         if (unlikely(UNSET == core->board.tuner_type))
 905                 return -EINVAL;
 906         if (0 != t->index)
 907                 return -EINVAL;
 908
 909         strcpy(t->name, "Television");
 910         t->capability = V4L2_TUNER_CAP_NORM;
 911         t->rangehigh  = 0xffffffffUL;
 912         call_all(core, tuner, g_tuner, t);
 913
 914         cx88_get_stereo(core ,t);
 915         reg = cx_read(MO_DEVICE_STATUS);
 916         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
 917         return 0;
 918 }
 919
 920 static int vidioc_s_tuner (struct file *file, void *priv,
 921                                 struct v4l2_tuner *t)
 922 {
 923         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 924
 925         if (UNSET == core->board.tuner_type)
 926                 return -EINVAL;
 927         if (0 != t->index)
 928                 return -EINVAL;
 929
 930         cx88_set_stereo(core, t->audmode, 1);
 931         return 0;
 932 }
 933
 934 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
 935 {
 936         struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
 937
 938         *tvnorm = core->tvnorm;
 939         return 0;
 940 }
 941
 942 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
 943 {
 944         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 945
 946         mutex_lock(&core->lock);
 947         cx88_set_tvnorm(core,*id);
 948         mutex_unlock(&core->lock);
 949         return 0;
 950 }
 951
 952 /* FIXME: cx88_ioctl_hook not implemented */
 953
 954 static int mpeg_open(struct file *file)
 955 {
 956         struct video_device *vdev = video_devdata(file);
 957         struct cx8802_dev *dev = video_drvdata(file);
 958         struct cx8802_fh *fh;
 959         struct cx8802_driver *drv = NULL;
 960         int err;
 961
 962         dprintk( 1, "%s\n", __func__);
 963
 964         mutex_lock(&dev->core->lock);
 965
 966         /* Make sure we can acquire the hardware */
 967         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
 968         if (!drv) {
 969                 dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
 970                 mutex_unlock(&dev->core->lock);
 971                 return -ENODEV;
 972         }
 973
 974         err = drv->request_acquire(drv);
 975         if (err != 0) {
 976                 dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
 977                 mutex_unlock(&dev->core->lock);
 978                 return err;
 979         }
 980
 981         if (!dev->core->mpeg_users && blackbird_initialize_codec(dev) < 0) {
 982                 drv->request_release(drv);
 983                 mutex_unlock(&dev->core->lock);
 984                 return -EINVAL;
 985         }
 986         dprintk(1, "open dev=%s\n", video_device_node_name(vdev));
 987
 988         /* allocate + initialize per filehandle data */
 989         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 990         if (NULL == fh) {
 991                 drv->request_release(drv);
 992                 mutex_unlock(&dev->core->lock);
 993                 return -ENOMEM;
 994         }
 995         v4l2_fh_init(&fh->fh, vdev);
 996         file->private_data = fh;
 997         fh->dev      = dev;
 998
 999         videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
1000                             &dev->pci->dev, &dev->slock,
1001                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1002                             V4L2_FIELD_INTERLACED,
1003                             sizeof(struct cx88_buffer),
1004                             fh, NULL);
1005
1006         /* FIXME: locking against other video device */
1007         cx88_set_scale(dev->core, dev->width, dev->height,
1008                         fh->mpegq.field);
1009
1010         dev->core->mpeg_users++;
1011         mutex_unlock(&dev->core->lock);
1012         v4l2_fh_add(&fh->fh);
1013         return 0;
1014 }
1015
1016 static int mpeg_release(struct file *file)
1017 {
1018         struct cx8802_fh  *fh  = file->private_data;
1019         struct cx8802_dev *dev = fh->dev;
1020         struct cx8802_driver *drv = NULL;
1021
1022         mutex_lock(&dev->core->lock);
1023
1024         if (dev->mpeg_active && dev->core->mpeg_users == 1)
1025                 blackbird_stop_codec(dev);
1026
1027         cx8802_cancel_buffers(fh->dev);
1028         /* stop mpeg capture */
1029         videobuf_stop(&fh->mpegq);
1030
1031         videobuf_mmap_free(&fh->mpegq);
1032
1033         v4l2_fh_del(&fh->fh);
1034         v4l2_fh_exit(&fh->fh);
1035         file->private_data = NULL;
1036         kfree(fh);
1037
1038         /* Make sure we release the hardware */
1039         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1040         WARN_ON(!drv);
1041         if (drv)
1042                 drv->request_release(drv);
1043
1044         dev->core->mpeg_users--;
1045
1046         mutex_unlock(&dev->core->lock);
1047
1048         return 0;
1049 }
1050
1051 static ssize_t
1052 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1053 {
1054         struct cx8802_fh *fh = file->private_data;
1055         struct cx8802_dev *dev = fh->dev;
1056
1057         if (!dev->mpeg_active)
1058                 blackbird_start_codec(file, fh);
1059
1060         return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1061                                     file->f_flags & O_NONBLOCK);
1062 }
1063
1064 static unsigned int
1065 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1066 {
1067         unsigned long req_events = poll_requested_events(wait);
1068         struct cx8802_fh *fh = file->private_data;
1069         struct cx8802_dev *dev = fh->dev;
1070
1071         if (!dev->mpeg_active && (req_events & (POLLIN | POLLRDNORM)))
1072                 blackbird_start_codec(file, fh);
1073
1074         return v4l2_ctrl_poll(file, wait) | videobuf_poll_stream(file, &fh->mpegq, wait);
1075 }
1076
1077 static int
1078 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1079 {
1080         struct cx8802_fh *fh = file->private_data;
1081
1082         return videobuf_mmap_mapper(&fh->mpegq, vma);
1083 }
1084
1085 static const struct v4l2_file_operations mpeg_fops =
1086 {
1087         .owner         = THIS_MODULE,
1088         .open          = mpeg_open,
1089         .release       = mpeg_release,
1090         .read          = mpeg_read,
1091         .poll          = mpeg_poll,
1092         .mmap          = mpeg_mmap,
1093         .unlocked_ioctl = video_ioctl2,
1094 };
1095
1096 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1097         .vidioc_querycap      = vidioc_querycap,
1098         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1099         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1100         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1101         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1102         .vidioc_reqbufs       = vidioc_reqbufs,
1103         .vidioc_querybuf      = vidioc_querybuf,
1104         .vidioc_qbuf          = vidioc_qbuf,
1105         .vidioc_dqbuf         = vidioc_dqbuf,
1106         .vidioc_streamon      = vidioc_streamon,
1107         .vidioc_streamoff     = vidioc_streamoff,
1108         .vidioc_s_frequency   = vidioc_s_frequency,
1109         .vidioc_log_status    = vidioc_log_status,
1110         .vidioc_enum_input    = vidioc_enum_input,
1111         .vidioc_g_frequency   = vidioc_g_frequency,
1112         .vidioc_g_input       = vidioc_g_input,
1113         .vidioc_s_input       = vidioc_s_input,
1114         .vidioc_g_tuner       = vidioc_g_tuner,
1115         .vidioc_s_tuner       = vidioc_s_tuner,
1116         .vidioc_g_std         = vidioc_g_std,
1117         .vidioc_s_std         = vidioc_s_std,
1118         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1119         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1120 };
1121
1122 static struct video_device cx8802_mpeg_template = {
1123         .name                 = "cx8802",
1124         .fops                 = &mpeg_fops,
1125         .ioctl_ops            = &mpeg_ioctl_ops,
1126         .tvnorms              = CX88_NORMS,
1127 };
1128
1129 /* ------------------------------------------------------------------ */
1130
1131 /* The CX8802 MPEG API will call this when we can use the hardware */
1132 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1133 {
1134         struct cx88_core *core = drv->core;
1135         int err = 0;
1136
1137         switch (core->boardnr) {
1138         case CX88_BOARD_HAUPPAUGE_HVR1300:
1139                 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1140                  * We left the hardware on power up with the cx22702 active.
1141                  * We're being given access to re-arrange the GPIOs.
1142                  * Take the bus off the cx22702 and put the cx23416 on it.
1143                  */
1144                 /* Toggle reset on cx22702 leaving i2c active */
1145                 cx_set(MO_GP0_IO, 0x00000080);
1146                 udelay(1000);
1147                 cx_clear(MO_GP0_IO, 0x00000080);
1148                 udelay(50);
1149                 cx_set(MO_GP0_IO, 0x00000080);
1150                 udelay(1000);
1151                 /* tri-state the cx22702 pins */
1152                 cx_set(MO_GP0_IO, 0x00000004);
1153                 udelay(1000);
1154                 break;
1155         default:
1156                 err = -ENODEV;
1157         }
1158         return err;
1159 }
1160
1161 /* The CX8802 MPEG API will call this when we need to release the hardware */
1162 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1163 {
1164         struct cx88_core *core = drv->core;
1165         int err = 0;
1166
1167         switch (core->boardnr) {
1168         case CX88_BOARD_HAUPPAUGE_HVR1300:
1169                 /* Exit leaving the cx23416 on the bus */
1170                 break;
1171         default:
1172                 err = -ENODEV;
1173         }
1174         return err;
1175 }
1176
1177 static void blackbird_unregister_video(struct cx8802_dev *dev)
1178 {
1179         if (dev->mpeg_dev) {
1180                 if (video_is_registered(dev->mpeg_dev))
1181                         video_unregister_device(dev->mpeg_dev);
1182                 else
1183                         video_device_release(dev->mpeg_dev);
1184                 dev->mpeg_dev = NULL;
1185         }
1186 }
1187
1188 static int blackbird_register_video(struct cx8802_dev *dev)
1189 {
1190         int err;
1191
1192         dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1193                                        &cx8802_mpeg_template,"mpeg");
1194         dev->mpeg_dev->ctrl_handler = &dev->cxhdl.hdl;
1195         video_set_drvdata(dev->mpeg_dev, dev);
1196         err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1197         if (err < 0) {
1198                 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1199                        dev->core->name);
1200                 return err;
1201         }
1202         printk(KERN_INFO "%s/2: registered device %s [mpeg]\n",
1203                dev->core->name, video_device_node_name(dev->mpeg_dev));
1204         return 0;
1205 }
1206
1207 /* ----------------------------------------------------------- */
1208
1209 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1210 {
1211         struct cx88_core *core = drv->core;
1212         struct cx8802_dev *dev = core->dvbdev;
1213         int err;
1214
1215         dprintk( 1, "%s\n", __func__);
1216         dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1217                 core->boardnr,
1218                 core->name,
1219                 core->pci_bus,
1220                 core->pci_slot);
1221
1222         err = -ENODEV;
1223         if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1224                 goto fail_core;
1225
1226         dev->width = 720;
1227         if (core->tvnorm & V4L2_STD_525_60) {
1228                 dev->height = 480;
1229         } else {
1230                 dev->height = 576;
1231         }
1232         dev->cxhdl.port = CX2341X_PORT_STREAMING;
1233         dev->cxhdl.width = dev->width;
1234         dev->cxhdl.height = dev->height;
1235         dev->cxhdl.func = blackbird_mbox_func;
1236         dev->cxhdl.priv = dev;
1237         err = cx2341x_handler_init(&dev->cxhdl, 36);
1238         if (err)
1239                 goto fail_core;
1240         v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL);
1241
1242         /* blackbird stuff */
1243         printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1244                core->name);
1245         host_setup(dev->core);
1246
1247         blackbird_initialize_codec(dev);
1248
1249         /* initial device configuration: needed ? */
1250 //      init_controls(core);
1251         cx88_set_tvnorm(core,core->tvnorm);
1252         cx88_video_mux(core,0);
1253         cx2341x_handler_set_50hz(&dev->cxhdl, dev->height == 576);
1254         cx2341x_handler_setup(&dev->cxhdl);
1255         blackbird_register_video(dev);
1256
1257         return 0;
1258
1259  fail_core:
1260         return err;
1261 }
1262
1263 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1264 {
1265         struct cx88_core *core = drv->core;
1266         struct cx8802_dev *dev = core->dvbdev;
1267
1268         /* blackbird */
1269         blackbird_unregister_video(drv->core->dvbdev);
1270         v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
1271
1272         return 0;
1273 }
1274
1275 static struct cx8802_driver cx8802_blackbird_driver = {
1276         .type_id        = CX88_MPEG_BLACKBIRD,
1277         .hw_access      = CX8802_DRVCTL_SHARED,
1278         .probe          = cx8802_blackbird_probe,
1279         .remove         = cx8802_blackbird_remove,
1280         .advise_acquire = cx8802_blackbird_advise_acquire,
1281         .advise_release = cx8802_blackbird_advise_release,
1282 };
1283
1284 static int __init blackbird_init(void)
1285 {
1286         printk(KERN_INFO "cx2388x blackbird driver version %s loaded\n",
1287                CX88_VERSION);
1288         return cx8802_register_driver(&cx8802_blackbird_driver);
1289 }
1290
1291 static void __exit blackbird_fini(void)
1292 {
1293         cx8802_unregister_driver(&cx8802_blackbird_driver);
1294 }
1295
1296 module_init(blackbird_init);
1297 module_exit(blackbird_fini);
1298
1299 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1300 MODULE_PARM_DESC(debug,"enable debug messages [video]");