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.8m.com>
   7  *    (c) 2004 Gerd Knorr <kraxel@bytesex.org>
   8  *
   9  *  Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation; either version 2 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful,
  17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *  GNU General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License
  22  *  along with this program; if not, write to the Free Software
  23  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  24  */
  25
  26 #include <linux/module.h>
  27 #include <linux/moduleparam.h>
  28 #include <linux/init.h>
  29 #include <linux/fs.h>
  30 #include <linux/delay.h>
  31 #include <linux/device.h>
  32 #include <linux/firmware.h>
  33 #include <media/v4l2-common.h>
  34 #include <media/cx2341x.h>
  35
  36 #include "cx88.h"
  37
  38 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
  39 MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  40 MODULE_LICENSE("GPL");
  41
  42 static unsigned int mpegbufs = 32;
  43 module_param(mpegbufs,int,0644);
  44 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
  45
  46 static unsigned int debug = 0;
  47 module_param(debug,int,0644);
  48 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
  49
  50 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  51         printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
  52
  53
  54 /* ------------------------------------------------------------------ */
  55
  56 #define OLD_BLACKBIRD_FIRM_IMAGE_SIZE 262144
  57 #define     BLACKBIRD_FIRM_IMAGE_SIZE 376836
  58
  59 /* defines below are from ivtv-driver.h */
  60
  61 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
  62
  63 /* Firmware API commands */
  64 #define IVTV_API_STD_TIMEOUT 500
  65
  66 enum blackbird_capture_type {
  67         BLACKBIRD_MPEG_CAPTURE,
  68         BLACKBIRD_RAW_CAPTURE,
  69         BLACKBIRD_RAW_PASSTHRU_CAPTURE
  70 };
  71 enum blackbird_capture_bits {
  72         BLACKBIRD_RAW_BITS_NONE             = 0x00,
  73         BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
  74         BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
  75         BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
  76         BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
  77         BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
  78 };
  79 enum blackbird_capture_end {
  80         BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
  81         BLACKBIRD_END_NOW, /* stop immediately, no irq */
  82 };
  83 enum blackbird_framerate {
  84         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
  85         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
  86 };
  87 enum blackbird_stream_port {
  88         BLACKBIRD_OUTPUT_PORT_MEMORY,
  89         BLACKBIRD_OUTPUT_PORT_STREAMING,
  90         BLACKBIRD_OUTPUT_PORT_SERIAL
  91 };
  92 enum blackbird_data_xfer_status {
  93         BLACKBIRD_MORE_BUFFERS_FOLLOW,
  94         BLACKBIRD_LAST_BUFFER,
  95 };
  96 enum blackbird_picture_mask {
  97         BLACKBIRD_PICTURE_MASK_NONE,
  98         BLACKBIRD_PICTURE_MASK_I_FRAMES,
  99         BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
 100         BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
 101 };
 102 enum blackbird_vbi_mode_bits {
 103         BLACKBIRD_VBI_BITS_SLICED,
 104         BLACKBIRD_VBI_BITS_RAW,
 105 };
 106 enum blackbird_vbi_insertion_bits {
 107         BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 108         BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 109         BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 110         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 111         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 112 };
 113 enum blackbird_dma_unit {
 114         BLACKBIRD_DMA_BYTES,
 115         BLACKBIRD_DMA_FRAMES,
 116 };
 117 enum blackbird_dma_transfer_status_bits {
 118         BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
 119         BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
 120         BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 121 };
 122 enum blackbird_pause {
 123         BLACKBIRD_PAUSE_ENCODING,
 124         BLACKBIRD_RESUME_ENCODING,
 125 };
 126 enum blackbird_copyright {
 127         BLACKBIRD_COPYRIGHT_OFF,
 128         BLACKBIRD_COPYRIGHT_ON,
 129 };
 130 enum blackbird_notification_type {
 131         BLACKBIRD_NOTIFICATION_REFRESH,
 132 };
 133 enum blackbird_notification_status {
 134         BLACKBIRD_NOTIFICATION_OFF,
 135         BLACKBIRD_NOTIFICATION_ON,
 136 };
 137 enum blackbird_notification_mailbox {
 138         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 139 };
 140 enum blackbird_field1_lines {
 141         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 142         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 143         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 144 };
 145 enum blackbird_field2_lines {
 146         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 147         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 148         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 149 };
 150 enum blackbird_custom_data_type {
 151         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 152         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 153 };
 154 enum blackbird_mute {
 155         BLACKBIRD_UNMUTE,
 156         BLACKBIRD_MUTE,
 157 };
 158 enum blackbird_mute_video_mask {
 159         BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
 160         BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
 161         BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
 162 };
 163 enum blackbird_mute_video_shift {
 164         BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
 165         BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
 166         BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
 167 };
 168
 169 /* Registers */
 170 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
 171 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
 172 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
 173 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
 174 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
 175 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
 176
 177 /* ------------------------------------------------------------------ */
 178
 179 static void host_setup(struct cx88_core *core)
 180 {
 181         /* toggle reset of the host */
 182         cx_write(MO_GPHST_SOFT_RST, 1);
 183         udelay(100);
 184         cx_write(MO_GPHST_SOFT_RST, 0);
 185         udelay(100);
 186
 187         /* host port setup */
 188         cx_write(MO_GPHST_WSC, 0x44444444U);
 189         cx_write(MO_GPHST_XFR, 0);
 190         cx_write(MO_GPHST_WDTH, 15);
 191         cx_write(MO_GPHST_HDSHK, 0);
 192         cx_write(MO_GPHST_MUX16, 0x44448888U);
 193         cx_write(MO_GPHST_MODE, 0);
 194 }
 195
 196 /* ------------------------------------------------------------------ */
 197
 198 #define P1_MDATA0 0x390000
 199 #define P1_MDATA1 0x390001
 200 #define P1_MDATA2 0x390002
 201 #define P1_MDATA3 0x390003
 202 #define P1_MADDR2 0x390004
 203 #define P1_MADDR1 0x390005
 204 #define P1_MADDR0 0x390006
 205 #define P1_RDATA0 0x390008
 206 #define P1_RDATA1 0x390009
 207 #define P1_RDATA2 0x39000A
 208 #define P1_RDATA3 0x39000B
 209 #define P1_RADDR0 0x39000C
 210 #define P1_RADDR1 0x39000D
 211 #define P1_RRDWR  0x39000E
 212
 213 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 214 {
 215         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 216         u32 gpio0,need;
 217
 218         need = state ? 2 : 0;
 219         for (;;) {
 220                 gpio0 = cx_read(MO_GP0_IO) & 2;
 221                 if (need == gpio0)
 222                         return 0;
 223                 if (time_after(jiffies,timeout))
 224                         return -1;
 225                 udelay(1);
 226         }
 227 }
 228
 229 static int memory_write(struct cx88_core *core, u32 address, u32 value)
 230 {
 231         /* Warning: address is dword address (4 bytes) */
 232         cx_writeb(P1_MDATA0, (unsigned int)value);
 233         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
 234         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
 235         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
 236         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
 237         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 238         cx_writeb(P1_MADDR0, (unsigned int)address);
 239         cx_read(P1_MDATA0);
 240         cx_read(P1_MADDR0);
 241
 242         return wait_ready_gpio0_bit1(core,1);
 243 }
 244
 245 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 246 {
 247         int retval;
 248         u32 val;
 249
 250         /* Warning: address is dword address (4 bytes) */
 251         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
 252         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 253         cx_writeb(P1_MADDR0, (unsigned int)address);
 254         cx_read(P1_MADDR0);
 255
 256         retval = wait_ready_gpio0_bit1(core,1);
 257
 258         cx_writeb(P1_MDATA3, 0);
 259         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
 260         cx_writeb(P1_MDATA2, 0);
 261         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
 262         cx_writeb(P1_MDATA1, 0);
 263         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
 264         cx_writeb(P1_MDATA0, 0);
 265         val    |= (unsigned char)cx_read(P1_MDATA0);
 266
 267         *value  = val;
 268         return retval;
 269 }
 270
 271 static int register_write(struct cx88_core *core, u32 address, u32 value)
 272 {
 273         cx_writeb(P1_RDATA0, (unsigned int)value);
 274         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
 275         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
 276         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
 277         cx_writeb(P1_RADDR0, (unsigned int)address);
 278         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 279         cx_writeb(P1_RRDWR, 1);
 280         cx_read(P1_RDATA0);
 281         cx_read(P1_RADDR0);
 282
 283         return wait_ready_gpio0_bit1(core,1);
 284 }
 285
 286
 287 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 288 {
 289         int retval;
 290         u32 val;
 291
 292         cx_writeb(P1_RADDR0, (unsigned int)address);
 293         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 294         cx_writeb(P1_RRDWR, 0);
 295         cx_read(P1_RADDR0);
 296
 297         retval  = wait_ready_gpio0_bit1(core,1);
 298         val     = (unsigned char)cx_read(P1_RDATA0);
 299         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 300         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
 301         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
 302
 303         *value  = val;
 304         return retval;
 305 }
 306
 307 /* ------------------------------------------------------------------ */
 308
 309 static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
 310 {
 311         struct cx8802_dev *dev = priv;
 312         unsigned long timeout;
 313         u32 value, flag, retval;
 314         int i;
 315
 316         dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
 317
 318         /* this may not be 100% safe if we can't read any memory location
 319            without side effects */
 320         memory_read(dev->core, dev->mailbox - 4, &value);
 321         if (value != 0x12345678) {
 322                 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
 323                 return -1;
 324         }
 325
 326         memory_read(dev->core, dev->mailbox, &flag);
 327         if (flag) {
 328                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 329                 return -1;
 330         }
 331
 332         flag |= 1; /* tell 'em we're working on it */
 333         memory_write(dev->core, dev->mailbox, flag);
 334
 335         /* write command + args + fill remaining with zeros */
 336         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 337         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
 338         for (i = 0; i < in; i++) {
 339                 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
 340                 dprintk(1, "API Input %d = %d\n", i, data[i]);
 341         }
 342         for (; i < CX2341X_MBOX_MAX_DATA; i++)
 343                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
 344
 345         flag |= 3; /* tell 'em we're done writing */
 346         memory_write(dev->core, dev->mailbox, flag);
 347
 348         /* wait for firmware to handle the API command */
 349         timeout = jiffies + msecs_to_jiffies(10);
 350         for (;;) {
 351                 memory_read(dev->core, dev->mailbox, &flag);
 352                 if (0 != (flag & 4))
 353                         break;
 354                 if (time_after(jiffies,timeout)) {
 355                         dprintk(0, "ERROR: API Mailbox timeout\n");
 356                         return -1;
 357                 }
 358                 udelay(10);
 359         }
 360
 361         /* read output values */
 362         for (i = 0; i < out; i++) {
 363                 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
 364                 dprintk(1, "API Output %d = %d\n", i, data[i]);
 365         }
 366
 367         memory_read(dev->core, dev->mailbox + 2, &retval);
 368         dprintk(1, "API result = %d\n",retval);
 369
 370         flag = 0;
 371         memory_write(dev->core, dev->mailbox, flag);
 372         return retval;
 373 }
 374 /* ------------------------------------------------------------------ */
 375
 376 /* We don't need to call the API often, so using just one mailbox will probably suffice */
 377 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 378                              u32 inputcnt, u32 outputcnt, ...)
 379 {
 380         u32 data[CX2341X_MBOX_MAX_DATA];
 381         va_list vargs;
 382         int i, err;
 383
 384         va_start(vargs, outputcnt);
 385
 386         for (i = 0; i < inputcnt; i++) {
 387                 data[i] = va_arg(vargs, int);
 388         }
 389         err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
 390         for (i = 0; i < outputcnt; i++) {
 391                 int *vptr = va_arg(vargs, int *);
 392                 *vptr = data[i];
 393         }
 394         va_end(vargs);
 395         return err;
 396 }
 397
 398 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 399 {
 400         u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
 401         int signaturecnt=0;
 402         u32 value;
 403         int i;
 404
 405         for (i = 0; i < dev->fw_size; i++) {
 406                 memory_read(dev->core, i, &value);
 407                 if (value == signature[signaturecnt])
 408                         signaturecnt++;
 409                 else
 410                         signaturecnt = 0;
 411                 if (4 == signaturecnt) {
 412                         dprintk(1, "Mailbox signature found\n");
 413                         return i+1;
 414                 }
 415         }
 416         dprintk(0, "Mailbox signature values not found!\n");
 417         return -1;
 418 }
 419
 420 static int blackbird_load_firmware(struct cx8802_dev *dev)
 421 {
 422         static const unsigned char magic[8] = {
 423                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 424         };
 425         const struct firmware *firmware;
 426         int i, retval = 0;
 427         u32 value = 0;
 428         u32 checksum = 0;
 429         u32 *dataptr;
 430
 431         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 432         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 433         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
 434         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 435         msleep(1);
 436         retval |= register_write(dev->core, IVTV_REG_APU, 0);
 437
 438         if (retval < 0)
 439                 dprintk(0, "Error with register_write\n");
 440
 441         retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
 442                                   &dev->pci->dev);
 443
 444
 445         if (retval != 0) {
 446                 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
 447                         CX2341X_FIRM_ENC_FILENAME);
 448                 dprintk(0, "Please fix your hotplug setup, the board will "
 449                         "not work without firmware loaded!\n");
 450                 return -1;
 451         }
 452
 453         if ((firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) &&
 454             (firmware->size != OLD_BLACKBIRD_FIRM_IMAGE_SIZE)) {
 455                 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d or %d)\n",
 456                         firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE,
 457                         OLD_BLACKBIRD_FIRM_IMAGE_SIZE);
 458                 release_firmware(firmware);
 459                 return -1;
 460         }
 461         dev->fw_size = firmware->size;
 462
 463         if (0 != memcmp(firmware->data, magic, 8)) {
 464                 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
 465                 release_firmware(firmware);
 466                 return -1;
 467         }
 468
 469         /* transfer to the chip */
 470         dprintk(1,"Loading firmware ...\n");
 471         dataptr = (u32*)firmware->data;
 472         for (i = 0; i < (firmware->size >> 2); i++) {
 473                 value = *dataptr;
 474                 checksum += ~value;
 475                 memory_write(dev->core, i, value);
 476                 dataptr++;
 477         }
 478
 479         /* read back to verify with the checksum */
 480         for (i--; i >= 0; i--) {
 481                 memory_read(dev->core, i, &value);
 482                 checksum -= ~value;
 483         }
 484         if (checksum) {
 485                 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
 486                 release_firmware(firmware);
 487                 return -1;
 488         }
 489         release_firmware(firmware);
 490         dprintk(0, "Firmware upload successful.\n");
 491
 492         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 493         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 494         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 495         msleep(1);
 496
 497         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 498         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 499
 500         if (retval < 0)
 501                 dprintk(0, "Error with register_write\n");
 502         return 0;
 503 }
 504
 505 /**
 506  Settings used by the windows tv app for PVR2000:
 507 =================================================================================================================
 508 Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 509 -----------------------------------------------------------------------------------------------------------------
 510 MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 511 MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 512 VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 513 DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 514 DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 515 =================================================================================================================
 516 *DB: "DirectBurn"
 517 */
 518
 519 static void blackbird_codec_settings(struct cx8802_dev *dev)
 520 {
 521         /* assign frame size */
 522         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 523                                 dev->height, dev->width);
 524
 525         dev->params.width = dev->width;
 526         dev->params.height = dev->height;
 527         dev->params.is_50hz = (dev->core->tvnorm->id & V4L2_STD_625_50) != 0;
 528
 529         cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
 530 }
 531
 532 static struct v4l2_mpeg_compression default_mpeg_params = {
 533         .st_type          = V4L2_MPEG_PS_2,
 534         .st_bitrate       = {
 535                 .mode     = V4L2_BITRATE_CBR,
 536                 .min      = 0,
 537                 .target   = 0,
 538                 .max      = 0
 539         },
 540         .ts_pid_pmt       = 16,
 541         .ts_pid_audio     = 260,
 542         .ts_pid_video     = 256,
 543         .ts_pid_pcr       = 259,
 544         .ps_size          = 0,
 545         .au_type          = V4L2_MPEG_AU_2_II,
 546         .au_bitrate       = {
 547                 .mode     = V4L2_BITRATE_CBR,
 548                 .min      = 224,
 549                 .target   = 224,
 550                 .max      = 224
 551         },
 552         .au_sample_rate    = 48000,
 553         .au_pesid          = 0,
 554         .vi_type           = V4L2_MPEG_VI_2,
 555         .vi_aspect_ratio   = V4L2_MPEG_ASPECT_4_3,
 556         .vi_bitrate        = {
 557                 .mode      = V4L2_BITRATE_CBR,
 558                 .min       = 4000,
 559                 .target    = 4500,
 560                 .max       = 6000
 561         },
 562         .vi_frame_rate     = 25,
 563         .vi_frames_per_gop = 12,
 564         .vi_bframes_count  = 2,
 565         .vi_pesid          = 0,
 566         .closed_gops       = 1,
 567         .pulldown          = 0
 568 };
 569
 570 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 571 {
 572         struct cx88_core *core = dev->core;
 573         int version;
 574         int retval;
 575
 576         dprintk(1,"Initialize codec\n");
 577         retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 578         if (retval < 0) {
 579                 /* ping was not successful, reset and upload firmware */
 580                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 581                 msleep(1);
 582                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 583                 msleep(1);
 584                 retval = blackbird_load_firmware(dev);
 585                 if (retval < 0)
 586                         return retval;
 587
 588                 dev->mailbox = blackbird_find_mailbox(dev);
 589                 if (dev->mailbox < 0)
 590                         return -1;
 591
 592                 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 593                 if (retval < 0) {
 594                         dprintk(0, "ERROR: Firmware ping failed!\n");
 595                         return -1;
 596                 }
 597
 598                 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
 599                 if (retval < 0) {
 600                         dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 601                         return -1;
 602                 }
 603                 dprintk(0, "Firmware version is 0x%08x\n", version);
 604         }
 605         msleep(1);
 606
 607         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 608         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 609         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 610         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 611
 612         blackbird_codec_settings(dev);
 613         msleep(1);
 614
 615         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
 616            blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
 617            blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
 618         blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
 619                         BLACKBIRD_FIELD1_SAA7115,
 620                         BLACKBIRD_FIELD2_SAA7115
 621                 );
 622
 623         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
 624         blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
 625                         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 626                         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 627
 628         /* initialize the video input */
 629         blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
 630
 631         msleep(1);
 632
 633         blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
 634         msleep(1);
 635         blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
 636         msleep(1);
 637
 638         /* start capturing to the host interface */
 639         /* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */
 640         blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
 641                         BLACKBIRD_MPEG_CAPTURE,
 642                         BLACKBIRD_RAW_BITS_NONE
 643                 );
 644         msleep(10);
 645
 646         blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0);
 647         return 0;
 648 }
 649
 650 /* ------------------------------------------------------------------ */
 651
 652 static int bb_buf_setup(struct videobuf_queue *q,
 653                         unsigned int *count, unsigned int *size)
 654 {
 655         struct cx8802_fh *fh = q->priv_data;
 656
 657         fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
 658         fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
 659
 660         *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
 661         *count = fh->dev->ts_packet_count;
 662         return 0;
 663 }
 664
 665 static int
 666 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 667                enum v4l2_field field)
 668 {
 669         struct cx8802_fh *fh = q->priv_data;
 670         return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
 671 }
 672
 673 static void
 674 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 675 {
 676         struct cx8802_fh *fh = q->priv_data;
 677         cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
 678 }
 679
 680 static void
 681 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 682 {
 683         cx88_free_buffer(q, (struct cx88_buffer*)vb);
 684 }
 685
 686 static struct videobuf_queue_ops blackbird_qops = {
 687         .buf_setup    = bb_buf_setup,
 688         .buf_prepare  = bb_buf_prepare,
 689         .buf_queue    = bb_buf_queue,
 690         .buf_release  = bb_buf_release,
 691 };
 692
 693 /* ------------------------------------------------------------------ */
 694
 695 static const u32 *ctrl_classes[] = {
 696         cx88_user_ctrls,
 697         cx2341x_mpeg_ctrls,
 698         NULL
 699 };
 700
 701 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
 702 {
 703         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 704         if (qctrl->id == 0)
 705                 return -EINVAL;
 706
 707         /* Standard V4L2 controls */
 708         if (cx8800_ctrl_query(qctrl) == 0)
 709                 return 0;
 710
 711         /* MPEG V4L2 controls */
 712         if (cx2341x_ctrl_query(&dev->params, qctrl))
 713                 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
 714         return 0;
 715 }
 716
 717 static int blackbird_querymenu(struct cx8802_dev *dev, struct v4l2_querymenu *qmenu)
 718 {
 719         struct v4l2_queryctrl qctrl;
 720
 721         qctrl.id = qmenu->id;
 722         blackbird_queryctrl(dev, &qctrl);
 723         return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
 724 }
 725
 726 /* ------------------------------------------------------------------ */
 727
 728 static int mpeg_do_ioctl(struct inode *inode, struct file *file,
 729                          unsigned int cmd, void *arg)
 730 {
 731         struct cx8802_fh  *fh  = file->private_data;
 732         struct cx8802_dev *dev = fh->dev;
 733         struct cx88_core  *core = dev->core;
 734
 735         if (debug > 1)
 736                 v4l_print_ioctl(core->name,cmd);
 737
 738         switch (cmd) {
 739
 740         /* --- capabilities ------------------------------------------ */
 741         case VIDIOC_QUERYCAP:
 742         {
 743                 struct v4l2_capability *cap = arg;
 744
 745                 memset(cap,0,sizeof(*cap));
 746                 strcpy(cap->driver, "cx88_blackbird");
 747                 strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card));
 748                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
 749                 cap->version = CX88_VERSION_CODE;
 750                 cap->capabilities =
 751                         V4L2_CAP_VIDEO_CAPTURE |
 752                         V4L2_CAP_READWRITE     |
 753                         V4L2_CAP_STREAMING     |
 754                         0;
 755                 if (UNSET != core->tuner_type)
 756                         cap->capabilities |= V4L2_CAP_TUNER;
 757
 758                 return 0;
 759         }
 760
 761         /* --- capture ioctls ---------------------------------------- */
 762         case VIDIOC_ENUM_FMT:
 763         {
 764                 struct v4l2_fmtdesc *f = arg;
 765                 int index;
 766
 767                 index = f->index;
 768                 if (index != 0)
 769                         return -EINVAL;
 770
 771                 memset(f,0,sizeof(*f));
 772                 f->index = index;
 773                 strlcpy(f->description, "MPEG", sizeof(f->description));
 774                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 775                 f->pixelformat = V4L2_PIX_FMT_MPEG;
 776                 return 0;
 777         }
 778         case VIDIOC_G_FMT:
 779         {
 780                 struct v4l2_format *f = arg;
 781
 782                 memset(f,0,sizeof(*f));
 783                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 784                 f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 785                 f->fmt.pix.bytesperline = 0;
 786                 f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
 787                 f->fmt.pix.colorspace   = 0;
 788                 f->fmt.pix.width        = dev->width;
 789                 f->fmt.pix.height       = dev->height;
 790                 f->fmt.pix.field        = fh->mpegq.field;
 791                 dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
 792                         dev->width, dev->height, fh->mpegq.field );
 793                 return 0;
 794         }
 795         case VIDIOC_TRY_FMT:
 796         {
 797                 struct v4l2_format *f = arg;
 798
 799                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 800                 f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 801                 f->fmt.pix.bytesperline = 0;
 802                 f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 803                 f->fmt.pix.colorspace   = 0;
 804                 dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
 805                         dev->width, dev->height, fh->mpegq.field );
 806                 return 0;
 807         }
 808         case VIDIOC_S_FMT:
 809         {
 810                 struct v4l2_format *f = arg;
 811
 812                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 813                 f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 814                 f->fmt.pix.bytesperline = 0;
 815                 f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 816                 f->fmt.pix.colorspace   = 0;
 817                 dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
 818                         f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
 819                 return 0;
 820         }
 821
 822         /* --- streaming capture ------------------------------------- */
 823         case VIDIOC_REQBUFS:
 824                 return videobuf_reqbufs(&fh->mpegq, arg);
 825
 826         case VIDIOC_QUERYBUF:
 827                 return videobuf_querybuf(&fh->mpegq, arg);
 828
 829         case VIDIOC_QBUF:
 830                 return videobuf_qbuf(&fh->mpegq, arg);
 831
 832         case VIDIOC_DQBUF:
 833                 return videobuf_dqbuf(&fh->mpegq, arg,
 834                                       file->f_flags & O_NONBLOCK);
 835
 836         case VIDIOC_STREAMON:
 837                 return videobuf_streamon(&fh->mpegq);
 838
 839         case VIDIOC_STREAMOFF:
 840                 return videobuf_streamoff(&fh->mpegq);
 841
 842         /* --- mpeg compression -------------------------------------- */
 843         case VIDIOC_G_MPEGCOMP:
 844         {
 845                 struct v4l2_mpeg_compression *f = arg;
 846
 847                 printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. "
 848                                     "Replace with VIDIOC_G_EXT_CTRLS!");
 849                 memcpy(f,&default_mpeg_params,sizeof(*f));
 850                 return 0;
 851         }
 852         case VIDIOC_S_MPEGCOMP:
 853                 printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. "
 854                                     "Replace with VIDIOC_S_EXT_CTRLS!");
 855                 return 0;
 856         case VIDIOC_G_EXT_CTRLS:
 857         {
 858                 struct v4l2_ext_controls *f = arg;
 859
 860                 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 861                         return -EINVAL;
 862                 return cx2341x_ext_ctrls(&dev->params, f, cmd);
 863         }
 864         case VIDIOC_S_EXT_CTRLS:
 865         case VIDIOC_TRY_EXT_CTRLS:
 866         {
 867                 struct v4l2_ext_controls *f = arg;
 868                 struct cx2341x_mpeg_params p;
 869                 int err;
 870
 871                 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 872                         return -EINVAL;
 873                 p = dev->params;
 874                 err = cx2341x_ext_ctrls(&p, f, cmd);
 875                 if (err == 0 && cmd == VIDIOC_S_EXT_CTRLS) {
 876                         err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
 877                         dev->params = p;
 878                 }
 879                 return err;
 880         }
 881         case VIDIOC_S_FREQUENCY:
 882         {
 883                 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
 884                                   BLACKBIRD_END_NOW,
 885                                   BLACKBIRD_MPEG_CAPTURE,
 886                                   BLACKBIRD_RAW_BITS_NONE);
 887
 888                 cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook);
 889
 890                 blackbird_initialize_codec(dev);
 891                 cx88_set_scale(dev->core, dev->width, dev->height,
 892                                fh->mpegq.field);
 893                 return 0;
 894         }
 895         case VIDIOC_LOG_STATUS:
 896         {
 897                 char name[32 + 2];
 898
 899                 snprintf(name, sizeof(name), "%s/2", core->name);
 900                 printk("%s/2: ============  START LOG STATUS  ============\n",
 901                        core->name);
 902                 cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
 903                 cx2341x_log_status(&dev->params, name);
 904                 printk("%s/2: =============  END LOG STATUS  =============\n",
 905                        core->name);
 906                 return 0;
 907         }
 908         case VIDIOC_QUERYMENU:
 909                 return blackbird_querymenu(dev, arg);
 910         case VIDIOC_QUERYCTRL:
 911         {
 912                 struct v4l2_queryctrl *c = arg;
 913
 914                 if (blackbird_queryctrl(dev, c) == 0)
 915                         return 0;
 916                 return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, mpeg_do_ioctl);
 917         }
 918
 919         default:
 920                 return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook);
 921         }
 922         return 0;
 923 }
 924
 925 int (*cx88_ioctl_hook)(struct inode *inode, struct file *file,
 926                         unsigned int cmd, void *arg);
 927 unsigned int (*cx88_ioctl_translator)(unsigned int cmd);
 928
 929 static unsigned int mpeg_translate_ioctl(unsigned int cmd)
 930 {
 931         return cmd;
 932 }
 933
 934 static int mpeg_ioctl(struct inode *inode, struct file *file,
 935                         unsigned int cmd, unsigned long arg)
 936 {
 937         cmd = cx88_ioctl_translator( cmd );
 938         return video_usercopy(inode, file, cmd, arg, cx88_ioctl_hook);
 939 }
 940
 941 static int mpeg_open(struct inode *inode, struct file *file)
 942 {
 943         int minor = iminor(inode);
 944         struct cx8802_dev *dev = NULL;
 945         struct cx8802_fh *fh;
 946         struct cx8802_driver *drv = NULL;
 947         int err;
 948
 949        dev = cx8802_get_device(inode);
 950
 951         dprintk( 1, "%s\n", __FUNCTION__);
 952
 953         if (dev == NULL)
 954                 return -ENODEV;
 955
 956         /* Make sure we can acquire the hardware */
 957         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
 958         if (drv) {
 959                 err = drv->request_acquire(drv);
 960                 if(err != 0) {
 961                         dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err);
 962                         return err;
 963                 }
 964         }
 965
 966         if (blackbird_initialize_codec(dev) < 0) {
 967                 if (drv)
 968                         drv->request_release(drv);
 969                 return -EINVAL;
 970         }
 971         dprintk(1,"open minor=%d\n",minor);
 972
 973         /* allocate + initialize per filehandle data */
 974         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 975         if (NULL == fh) {
 976                 if (drv)
 977                         drv->request_release(drv);
 978                 return -ENOMEM;
 979         }
 980         file->private_data = fh;
 981         fh->dev      = dev;
 982
 983         videobuf_queue_init(&fh->mpegq, &blackbird_qops,
 984                             dev->pci, &dev->slock,
 985                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 986                             V4L2_FIELD_INTERLACED,
 987                             sizeof(struct cx88_buffer),
 988                             fh);
 989
 990         /* FIXME: locking against other video device */
 991         cx88_set_scale(dev->core, dev->width, dev->height,
 992                         fh->mpegq.field);
 993
 994         return 0;
 995 }
 996
 997 static int mpeg_release(struct inode *inode, struct file *file)
 998 {
 999         struct cx8802_fh  *fh  = file->private_data;
1000         struct cx8802_dev *dev = NULL;
1001         struct cx8802_driver *drv = NULL;
1002
1003         /* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
1004         blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1005                         BLACKBIRD_END_NOW,
1006                         BLACKBIRD_MPEG_CAPTURE,
1007                         BLACKBIRD_RAW_BITS_NONE
1008                 );
1009
1010         cx8802_cancel_buffers(fh->dev);
1011         /* stop mpeg capture */
1012         if (fh->mpegq.streaming)
1013                 videobuf_streamoff(&fh->mpegq);
1014         if (fh->mpegq.reading)
1015                 videobuf_read_stop(&fh->mpegq);
1016
1017         videobuf_mmap_free(&fh->mpegq);
1018         file->private_data = NULL;
1019         kfree(fh);
1020
1021         /* Make sure we release the hardware */
1022         dev = cx8802_get_device(inode);
1023         if (dev == NULL)
1024                 return -ENODEV;
1025
1026         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1027         if (drv)
1028                 drv->request_release(drv);
1029
1030         return 0;
1031 }
1032
1033 static ssize_t
1034 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1035 {
1036         struct cx8802_fh *fh = file->private_data;
1037
1038         return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1039                                     file->f_flags & O_NONBLOCK);
1040 }
1041
1042 static unsigned int
1043 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1044 {
1045         struct cx8802_fh *fh = file->private_data;
1046
1047         return videobuf_poll_stream(file, &fh->mpegq, wait);
1048 }
1049
1050 static int
1051 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1052 {
1053         struct cx8802_fh *fh = file->private_data;
1054
1055         return videobuf_mmap_mapper(&fh->mpegq, vma);
1056 }
1057
1058 static struct file_operations mpeg_fops =
1059 {
1060         .owner         = THIS_MODULE,
1061         .open          = mpeg_open,
1062         .release       = mpeg_release,
1063         .read          = mpeg_read,
1064         .poll          = mpeg_poll,
1065         .mmap          = mpeg_mmap,
1066         .ioctl         = mpeg_ioctl,
1067         .llseek        = no_llseek,
1068 };
1069
1070 static struct video_device cx8802_mpeg_template =
1071 {
1072         .name          = "cx8802",
1073         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
1074         .hardware      = 0,
1075         .fops          = &mpeg_fops,
1076         .minor         = -1,
1077 };
1078
1079 /* ------------------------------------------------------------------ */
1080
1081 /* The CX8802 MPEG API will call this when we can use the hardware */
1082 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1083 {
1084         struct cx88_core *core = drv->core;
1085         int err = 0;
1086
1087         switch (core->board) {
1088         case CX88_BOARD_HAUPPAUGE_HVR1300:
1089                 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1090                  * We left the hardware on power up with the cx22702 active.
1091                  * We're being given access to re-arrange the GPIOs.
1092                  * Take the bus off the cx22702 and put the cx23416 on it.
1093                  */
1094                 cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
1095                 cx_set(MO_GP0_IO,   0x00000004); /* Disable the cx22702 */
1096                 break;
1097         default:
1098                 err = -ENODEV;
1099         }
1100         return err;
1101 }
1102
1103 /* The CX8802 MPEG API will call this when we need to release the hardware */
1104 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1105 {
1106         struct cx88_core *core = drv->core;
1107         int err = 0;
1108
1109         switch (core->board) {
1110         case CX88_BOARD_HAUPPAUGE_HVR1300:
1111                 /* Exit leaving the cx23416 on the bus */
1112                 break;
1113         default:
1114                 err = -ENODEV;
1115         }
1116         return err;
1117 }
1118
1119 static void blackbird_unregister_video(struct cx8802_dev *dev)
1120 {
1121         if (dev->mpeg_dev) {
1122                 if (-1 != dev->mpeg_dev->minor)
1123                         video_unregister_device(dev->mpeg_dev);
1124                 else
1125                         video_device_release(dev->mpeg_dev);
1126                 dev->mpeg_dev = NULL;
1127         }
1128 }
1129
1130 static int blackbird_register_video(struct cx8802_dev *dev)
1131 {
1132         int err;
1133
1134         dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1135                                        &cx8802_mpeg_template,"mpeg");
1136         err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1137         if (err < 0) {
1138                 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1139                        dev->core->name);
1140                 return err;
1141         }
1142         printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1143                dev->core->name,dev->mpeg_dev->minor & 0x1f);
1144         return 0;
1145 }
1146
1147 /* ----------------------------------------------------------- */
1148
1149 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1150 {
1151         struct cx88_core *core = drv->core;
1152         struct cx8802_dev *dev = core->dvbdev;
1153         int err;
1154
1155         dprintk( 1, "%s\n", __FUNCTION__);
1156         dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1157                 core->board,
1158                 core->name,
1159                 core->pci_bus,
1160                 core->pci_slot);
1161
1162         err = -ENODEV;
1163         if (!(cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD))
1164                 goto fail_core;
1165
1166         dev->width = 720;
1167         dev->height = 576;
1168         cx2341x_fill_defaults(&dev->params);
1169         dev->params.port = CX2341X_PORT_STREAMING;
1170
1171         if (core->tvnorm->id & V4L2_STD_525_60) {
1172                 dev->height = 480;
1173         } else {
1174                 dev->height = 576;
1175         }
1176
1177         /* blackbird stuff */
1178         printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1179                core->name);
1180         host_setup(dev->core);
1181
1182         blackbird_register_video(dev);
1183
1184         /* initial device configuration: needed ? */
1185
1186         return 0;
1187
1188  fail_core:
1189         return err;
1190 }
1191
1192 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1193 {
1194         /* blackbird */
1195         blackbird_unregister_video(drv->core->dvbdev);
1196
1197         return 0;
1198 }
1199
1200 static struct cx8802_driver cx8802_blackbird_driver = {
1201         .type_id        = CX88_MPEG_BLACKBIRD,
1202         .hw_access      = CX8802_DRVCTL_SHARED,
1203         .probe          = cx8802_blackbird_probe,
1204         .remove         = cx8802_blackbird_remove,
1205         .advise_acquire = cx8802_blackbird_advise_acquire,
1206         .advise_release = cx8802_blackbird_advise_release,
1207 };
1208
1209 static int blackbird_init(void)
1210 {
1211         printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1212                (CX88_VERSION_CODE >> 16) & 0xff,
1213                (CX88_VERSION_CODE >>  8) & 0xff,
1214                CX88_VERSION_CODE & 0xff);
1215 #ifdef SNAPSHOT
1216         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1217                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1218 #endif
1219         cx88_ioctl_hook = mpeg_do_ioctl;
1220         cx88_ioctl_translator = mpeg_translate_ioctl;
1221         return cx8802_register_driver(&cx8802_blackbird_driver);
1222 }
1223
1224 static void blackbird_fini(void)
1225 {
1226         cx8802_unregister_driver(&cx8802_blackbird_driver);
1227 }
1228
1229 module_init(blackbird_init);
1230 module_exit(blackbird_fini);
1231
1232 EXPORT_SYMBOL(cx88_ioctl_hook);
1233 EXPORT_SYMBOL(cx88_ioctl_translator);
1234
1235 /* ----------------------------------------------------------- */
1236 /*
1237  * Local variables:
1238  * c-basic-offset: 8
1239  * End:
1240  * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
1241  */