git.oblomov.eu Git - linux-2.6/blob - 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 BLACKBIRD_FIRM_IMAGE_SIZE 256*1024
  57
  58 /* defines below are from ivtv-driver.h */
  59
  60 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
  61
  62 /* Firmware API commands */
  63 #define IVTV_API_STD_TIMEOUT 500
  64
  65 enum blackbird_capture_type {
  66         BLACKBIRD_MPEG_CAPTURE,
  67         BLACKBIRD_RAW_CAPTURE,
  68         BLACKBIRD_RAW_PASSTHRU_CAPTURE
  69 };
  70 enum blackbird_capture_bits {
  71         BLACKBIRD_RAW_BITS_NONE             = 0x00,
  72         BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
  73         BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
  74         BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
  75         BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
  76         BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
  77 };
  78 enum blackbird_capture_end {
  79         BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
  80         BLACKBIRD_END_NOW, /* stop immediately, no irq */
  81 };
  82 enum blackbird_framerate {
  83         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
  84         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
  85 };
  86 enum blackbird_stream_port {
  87         BLACKBIRD_OUTPUT_PORT_MEMORY,
  88         BLACKBIRD_OUTPUT_PORT_STREAMING,
  89         BLACKBIRD_OUTPUT_PORT_SERIAL
  90 };
  91 enum blackbird_data_xfer_status {
  92         BLACKBIRD_MORE_BUFFERS_FOLLOW,
  93         BLACKBIRD_LAST_BUFFER,
  94 };
  95 enum blackbird_picture_mask {
  96         BLACKBIRD_PICTURE_MASK_NONE,
  97         BLACKBIRD_PICTURE_MASK_I_FRAMES,
  98         BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
  99         BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
 100 };
 101 enum blackbird_vbi_mode_bits {
 102         BLACKBIRD_VBI_BITS_SLICED,
 103         BLACKBIRD_VBI_BITS_RAW,
 104 };
 105 enum blackbird_vbi_insertion_bits {
 106         BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 107         BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 108         BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 109         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 110         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 111 };
 112 enum blackbird_dma_unit {
 113         BLACKBIRD_DMA_BYTES,
 114         BLACKBIRD_DMA_FRAMES,
 115 };
 116 enum blackbird_dma_transfer_status_bits {
 117         BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
 118         BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
 119         BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 120 };
 121 enum blackbird_pause {
 122         BLACKBIRD_PAUSE_ENCODING,
 123         BLACKBIRD_RESUME_ENCODING,
 124 };
 125 enum blackbird_copyright {
 126         BLACKBIRD_COPYRIGHT_OFF,
 127         BLACKBIRD_COPYRIGHT_ON,
 128 };
 129 enum blackbird_notification_type {
 130         BLACKBIRD_NOTIFICATION_REFRESH,
 131 };
 132 enum blackbird_notification_status {
 133         BLACKBIRD_NOTIFICATION_OFF,
 134         BLACKBIRD_NOTIFICATION_ON,
 135 };
 136 enum blackbird_notification_mailbox {
 137         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 138 };
 139 enum blackbird_field1_lines {
 140         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 141         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 142         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 143 };
 144 enum blackbird_field2_lines {
 145         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 146         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 147         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 148 };
 149 enum blackbird_custom_data_type {
 150         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 151         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 152 };
 153 enum blackbird_mute {
 154         BLACKBIRD_UNMUTE,
 155         BLACKBIRD_MUTE,
 156 };
 157 enum blackbird_mute_video_mask {
 158         BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
 159         BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
 160         BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
 161 };
 162 enum blackbird_mute_video_shift {
 163         BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
 164         BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
 165         BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
 166 };
 167
 168 /* Registers */
 169 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
 170 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
 171 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
 172 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
 173 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
 174 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
 175
 176 /* ------------------------------------------------------------------ */
 177
 178 static void host_setup(struct cx88_core *core)
 179 {
 180         /* toggle reset of the host */
 181         cx_write(MO_GPHST_SOFT_RST, 1);
 182         udelay(100);
 183         cx_write(MO_GPHST_SOFT_RST, 0);
 184         udelay(100);
 185
 186         /* host port setup */
 187         cx_write(MO_GPHST_WSC, 0x44444444U);
 188         cx_write(MO_GPHST_XFR, 0);
 189         cx_write(MO_GPHST_WDTH, 15);
 190         cx_write(MO_GPHST_HDSHK, 0);
 191         cx_write(MO_GPHST_MUX16, 0x44448888U);
 192         cx_write(MO_GPHST_MODE, 0);
 193 }
 194
 195 /* ------------------------------------------------------------------ */
 196
 197 #define P1_MDATA0 0x390000
 198 #define P1_MDATA1 0x390001
 199 #define P1_MDATA2 0x390002
 200 #define P1_MDATA3 0x390003
 201 #define P1_MADDR2 0x390004
 202 #define P1_MADDR1 0x390005
 203 #define P1_MADDR0 0x390006
 204 #define P1_RDATA0 0x390008
 205 #define P1_RDATA1 0x390009
 206 #define P1_RDATA2 0x39000A
 207 #define P1_RDATA3 0x39000B
 208 #define P1_RADDR0 0x39000C
 209 #define P1_RADDR1 0x39000D
 210 #define P1_RRDWR  0x39000E
 211
 212 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 213 {
 214         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 215         u32 gpio0,need;
 216
 217         need = state ? 2 : 0;
 218         for (;;) {
 219                 gpio0 = cx_read(MO_GP0_IO) & 2;
 220                 if (need == gpio0)
 221                         return 0;
 222                 if (time_after(jiffies,timeout))
 223                         return -1;
 224                 udelay(1);
 225         }
 226 }
 227
 228 static int memory_write(struct cx88_core *core, u32 address, u32 value)
 229 {
 230         /* Warning: address is dword address (4 bytes) */
 231         cx_writeb(P1_MDATA0, (unsigned int)value);
 232         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
 233         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
 234         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
 235         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
 236         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 237         cx_writeb(P1_MADDR0, (unsigned int)address);
 238         cx_read(P1_MDATA0);
 239         cx_read(P1_MADDR0);
 240
 241         return wait_ready_gpio0_bit1(core,1);
 242 }
 243
 244 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 245 {
 246         int retval;
 247         u32 val;
 248
 249         /* Warning: address is dword address (4 bytes) */
 250         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
 251         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 252         cx_writeb(P1_MADDR0, (unsigned int)address);
 253         cx_read(P1_MADDR0);
 254
 255         retval = wait_ready_gpio0_bit1(core,1);
 256
 257         cx_writeb(P1_MDATA3, 0);
 258         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
 259         cx_writeb(P1_MDATA2, 0);
 260         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
 261         cx_writeb(P1_MDATA1, 0);
 262         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
 263         cx_writeb(P1_MDATA0, 0);
 264         val    |= (unsigned char)cx_read(P1_MDATA0);
 265
 266         *value  = val;
 267         return retval;
 268 }
 269
 270 static int register_write(struct cx88_core *core, u32 address, u32 value)
 271 {
 272         cx_writeb(P1_RDATA0, (unsigned int)value);
 273         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
 274         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
 275         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
 276         cx_writeb(P1_RADDR0, (unsigned int)address);
 277         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 278         cx_writeb(P1_RRDWR, 1);
 279         cx_read(P1_RDATA0);
 280         cx_read(P1_RADDR0);
 281
 282         return wait_ready_gpio0_bit1(core,1);
 283 }
 284
 285
 286 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 287 {
 288         int retval;
 289         u32 val;
 290
 291         cx_writeb(P1_RADDR0, (unsigned int)address);
 292         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 293         cx_writeb(P1_RRDWR, 0);
 294         cx_read(P1_RADDR0);
 295
 296         retval  = wait_ready_gpio0_bit1(core,1);
 297         val     = (unsigned char)cx_read(P1_RDATA0);
 298         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 299         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
 300         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
 301
 302         *value  = val;
 303         return retval;
 304 }
 305
 306 /* ------------------------------------------------------------------ */
 307
 308 static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
 309 {
 310         struct cx8802_dev *dev = priv;
 311         unsigned long timeout;
 312         u32 value, flag, retval;
 313         int i;
 314
 315         dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
 316
 317         /* this may not be 100% safe if we can't read any memory location
 318            without side effects */
 319         memory_read(dev->core, dev->mailbox - 4, &value);
 320         if (value != 0x12345678) {
 321                 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
 322                 return -1;
 323         }
 324
 325         memory_read(dev->core, dev->mailbox, &flag);
 326         if (flag) {
 327                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 328                 return -1;
 329         }
 330
 331         flag |= 1; /* tell 'em we're working on it */
 332         memory_write(dev->core, dev->mailbox, flag);
 333
 334         /* write command + args + fill remaining with zeros */
 335         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 336         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
 337         for (i = 0; i < in; i++) {
 338                 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
 339                 dprintk(1, "API Input %d = %d\n", i, data[i]);
 340         }
 341         for (; i < CX2341X_MBOX_MAX_DATA; i++)
 342                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
 343
 344         flag |= 3; /* tell 'em we're done writing */
 345         memory_write(dev->core, dev->mailbox, flag);
 346
 347         /* wait for firmware to handle the API command */
 348         timeout = jiffies + msecs_to_jiffies(10);
 349         for (;;) {
 350                 memory_read(dev->core, dev->mailbox, &flag);
 351                 if (0 != (flag & 4))
 352                         break;
 353                 if (time_after(jiffies,timeout)) {
 354                         dprintk(0, "ERROR: API Mailbox timeout\n");
 355                         return -1;
 356                 }
 357                 udelay(10);
 358         }
 359
 360         /* read output values */
 361         for (i = 0; i < out; i++) {
 362                 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
 363                 dprintk(1, "API Output %d = %d\n", i, data[i]);
 364         }
 365
 366         memory_read(dev->core, dev->mailbox + 2, &retval);
 367         dprintk(1, "API result = %d\n",retval);
 368
 369         flag = 0;
 370         memory_write(dev->core, dev->mailbox, flag);
 371         return retval;
 372 }
 373 /* ------------------------------------------------------------------ */
 374
 375 /* We don't need to call the API often, so using just one mailbox will probably suffice */
 376 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 377                              u32 inputcnt, u32 outputcnt, ...)
 378 {
 379         u32 data[CX2341X_MBOX_MAX_DATA];
 380         va_list vargs;
 381         int i, err;
 382
 383         va_start(vargs, outputcnt);
 384
 385         for (i = 0; i < inputcnt; i++) {
 386                 data[i] = va_arg(vargs, int);
 387         }
 388         err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
 389         for (i = 0; i < outputcnt; i++) {
 390                 int *vptr = va_arg(vargs, int *);
 391                 *vptr = data[i];
 392         }
 393         va_end(vargs);
 394         return err;
 395 }
 396
 397 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 398 {
 399         u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
 400         int signaturecnt=0;
 401         u32 value;
 402         int i;
 403
 404         for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 405                 memory_read(dev->core, i, &value);
 406                 if (value == signature[signaturecnt])
 407                         signaturecnt++;
 408                 else
 409                         signaturecnt = 0;
 410                 if (4 == signaturecnt) {
 411                         dprintk(1, "Mailbox signature found\n");
 412                         return i+1;
 413                 }
 414         }
 415         dprintk(0, "Mailbox signature values not found!\n");
 416         return -1;
 417 }
 418
 419 static int blackbird_load_firmware(struct cx8802_dev *dev)
 420 {
 421         static const unsigned char magic[8] = {
 422                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 423         };
 424         const struct firmware *firmware;
 425         int i, retval = 0;
 426         u32 value = 0;
 427         u32 checksum = 0;
 428         u32 *dataptr;
 429
 430         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 431         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 432         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
 433         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 434         msleep(1);
 435         retval |= register_write(dev->core, IVTV_REG_APU, 0);
 436
 437         if (retval < 0)
 438                 dprintk(0, "Error with register_write\n");
 439
 440         retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
 441                                   &dev->pci->dev);
 442
 443
 444         if (retval != 0) {
 445                 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
 446                         CX2341X_FIRM_ENC_FILENAME);
 447                 dprintk(0, "Please fix your hotplug setup, the board will "
 448                         "not work without firmware loaded!\n");
 449                 return -1;
 450         }
 451
 452         if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 453                 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
 454                         firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 455                 release_firmware(firmware);
 456                 return -1;
 457         }
 458
 459         if (0 != memcmp(firmware->data, magic, 8)) {
 460                 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
 461                 release_firmware(firmware);
 462                 return -1;
 463         }
 464
 465         /* transfer to the chip */
 466         dprintk(1,"Loading firmware ...\n");
 467         dataptr = (u32*)firmware->data;
 468         for (i = 0; i < (firmware->size >> 2); i++) {
 469                 value = *dataptr;
 470                 checksum += ~value;
 471                 memory_write(dev->core, i, value);
 472                 dataptr++;
 473         }
 474
 475         /* read back to verify with the checksum */
 476         for (i--; i >= 0; i--) {
 477                 memory_read(dev->core, i, &value);
 478                 checksum -= ~value;
 479         }
 480         if (checksum) {
 481                 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
 482                 release_firmware(firmware);
 483                 return -1;
 484         }
 485         release_firmware(firmware);
 486         dprintk(0, "Firmware upload successful.\n");
 487
 488         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 489         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 490         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 491         msleep(1);
 492
 493         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 494         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 495
 496         if (retval < 0)
 497                 dprintk(0, "Error with register_write\n");
 498         return 0;
 499 }
 500
 501 /**
 502  Settings used by the windows tv app for PVR2000:
 503 =================================================================================================================
 504 Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 505 -----------------------------------------------------------------------------------------------------------------
 506 MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 507 MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 508 VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 509 DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 510 DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 511 =================================================================================================================
 512 *DB: "DirectBurn"
 513 */
 514
 515 static void blackbird_codec_settings(struct cx8802_dev *dev)
 516 {
 517         /* assign frame size */
 518         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 519                                 dev->height, dev->width);
 520
 521         dev->params.width = dev->width;
 522         dev->params.height = dev->height;
 523         dev->params.is_50hz = (dev->core->tvnorm->id & V4L2_STD_625_50) != 0;
 524
 525         cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
 526 }
 527
 528 static struct v4l2_mpeg_compression default_mpeg_params = {
 529         .st_type          = V4L2_MPEG_PS_2,
 530         .st_bitrate       = {
 531                 .mode     = V4L2_BITRATE_CBR,
 532                 .min      = 0,
 533                 .target   = 0,
 534                 .max      = 0
 535         },
 536         .ts_pid_pmt       = 16,
 537         .ts_pid_audio     = 260,
 538         .ts_pid_video     = 256,
 539         .ts_pid_pcr       = 259,
 540         .ps_size          = 0,
 541         .au_type          = V4L2_MPEG_AU_2_II,
 542         .au_bitrate       = {
 543                 .mode     = V4L2_BITRATE_CBR,
 544                 .min      = 224,
 545                 .target   = 224,
 546                 .max      = 224
 547         },
 548         .au_sample_rate    = 48000,
 549         .au_pesid          = 0,
 550         .vi_type           = V4L2_MPEG_VI_2,
 551         .vi_aspect_ratio   = V4L2_MPEG_ASPECT_4_3,
 552         .vi_bitrate        = {
 553                 .mode      = V4L2_BITRATE_CBR,
 554                 .min       = 4000,
 555                 .target    = 4500,
 556                 .max       = 6000
 557         },
 558         .vi_frame_rate     = 25,
 559         .vi_frames_per_gop = 12,
 560         .vi_bframes_count  = 2,
 561         .vi_pesid          = 0,
 562         .closed_gops       = 1,
 563         .pulldown          = 0
 564 };
 565
 566 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 567 {
 568         struct cx88_core *core = dev->core;
 569         int version;
 570         int retval;
 571
 572         dprintk(1,"Initialize codec\n");
 573         retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 574         if (retval < 0) {
 575                 /* ping was not successful, reset and upload firmware */
 576                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 577                 msleep(1);
 578                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 579                 msleep(1);
 580                 retval = blackbird_load_firmware(dev);
 581                 if (retval < 0)
 582                         return retval;
 583
 584                 dev->mailbox = blackbird_find_mailbox(dev);
 585                 if (dev->mailbox < 0)
 586                         return -1;
 587
 588                 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 589                 if (retval < 0) {
 590                         dprintk(0, "ERROR: Firmware ping failed!\n");
 591                         return -1;
 592                 }
 593
 594                 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
 595                 if (retval < 0) {
 596                         dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 597                         return -1;
 598                 }
 599                 dprintk(0, "Firmware version is 0x%08x\n", version);
 600         }
 601         msleep(1);
 602
 603         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 604         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 605         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 606         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 607
 608         blackbird_codec_settings(dev);
 609         msleep(1);
 610
 611         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
 612            blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
 613            blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
 614         blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
 615                         BLACKBIRD_FIELD1_SAA7115,
 616                         BLACKBIRD_FIELD2_SAA7115
 617                 );
 618
 619         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
 620         blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
 621                         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 622                         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 623
 624         /* initialize the video input */
 625         blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
 626
 627         msleep(1);
 628
 629         blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
 630         msleep(1);
 631         blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
 632         msleep(1);
 633
 634         /* start capturing to the host interface */
 635         /* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */
 636         blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
 637                         BLACKBIRD_MPEG_CAPTURE,
 638                         BLACKBIRD_RAW_BITS_NONE
 639                 );
 640         msleep(10);
 641
 642         blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0);
 643         return 0;
 644 }
 645
 646 /* ------------------------------------------------------------------ */
 647
 648 static int bb_buf_setup(struct videobuf_queue *q,
 649                         unsigned int *count, unsigned int *size)
 650 {
 651         struct cx8802_fh *fh = q->priv_data;
 652
 653         fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
 654         fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
 655
 656         *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
 657         *count = fh->dev->ts_packet_count;
 658         return 0;
 659 }
 660
 661 static int
 662 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 663                enum v4l2_field field)
 664 {
 665         struct cx8802_fh *fh = q->priv_data;
 666         return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
 667 }
 668
 669 static void
 670 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 671 {
 672         struct cx8802_fh *fh = q->priv_data;
 673         cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
 674 }
 675
 676 static void
 677 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 678 {
 679         cx88_free_buffer(q, (struct cx88_buffer*)vb);
 680 }
 681
 682 static struct videobuf_queue_ops blackbird_qops = {
 683         .buf_setup    = bb_buf_setup,
 684         .buf_prepare  = bb_buf_prepare,
 685         .buf_queue    = bb_buf_queue,
 686         .buf_release  = bb_buf_release,
 687 };
 688
 689 /* ------------------------------------------------------------------ */
 690
 691 static const u32 *ctrl_classes[] = {
 692         cx88_user_ctrls,
 693         cx2341x_mpeg_ctrls,
 694         NULL
 695 };
 696
 697 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
 698 {
 699         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 700         if (qctrl->id == 0)
 701                 return -EINVAL;
 702
 703         /* Standard V4L2 controls */
 704         if (cx8800_ctrl_query(qctrl) == 0)
 705                 return 0;
 706
 707         /* MPEG V4L2 controls */
 708         if (cx2341x_ctrl_query(&dev->params, qctrl))
 709                 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
 710         return 0;
 711 }
 712
 713 static int blackbird_querymenu(struct cx8802_dev *dev, struct v4l2_querymenu *qmenu)
 714 {
 715         struct v4l2_queryctrl qctrl;
 716
 717         qctrl.id = qmenu->id;
 718         blackbird_queryctrl(dev, &qctrl);
 719         return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
 720 }
 721
 722 /* ------------------------------------------------------------------ */
 723
 724 static int mpeg_do_ioctl(struct inode *inode, struct file *file,
 725                          unsigned int cmd, void *arg)
 726 {
 727         struct cx8802_fh  *fh  = file->private_data;
 728         struct cx8802_dev *dev = fh->dev;
 729         struct cx88_core  *core = dev->core;
 730
 731         if (debug > 1)
 732                 v4l_print_ioctl(core->name,cmd);
 733
 734         switch (cmd) {
 735
 736         /* --- capabilities ------------------------------------------ */
 737         case VIDIOC_QUERYCAP:
 738         {
 739                 struct v4l2_capability *cap = arg;
 740
 741                 memset(cap,0,sizeof(*cap));
 742                 strcpy(cap->driver, "cx88_blackbird");
 743                 strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card));
 744                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
 745                 cap->version = CX88_VERSION_CODE;
 746                 cap->capabilities =
 747                         V4L2_CAP_VIDEO_CAPTURE |
 748                         V4L2_CAP_READWRITE     |
 749                         V4L2_CAP_STREAMING     |
 750                         0;
 751                 if (UNSET != core->tuner_type)
 752                         cap->capabilities |= V4L2_CAP_TUNER;
 753
 754                 return 0;
 755         }
 756
 757         /* --- capture ioctls ---------------------------------------- */
 758         case VIDIOC_ENUM_FMT:
 759         {
 760                 struct v4l2_fmtdesc *f = arg;
 761                 int index;
 762
 763                 index = f->index;
 764                 if (index != 0)
 765                         return -EINVAL;
 766
 767                 memset(f,0,sizeof(*f));
 768                 f->index = index;
 769                 strlcpy(f->description, "MPEG", sizeof(f->description));
 770                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 771                 f->pixelformat = V4L2_PIX_FMT_MPEG;
 772                 return 0;
 773         }
 774         case VIDIOC_G_FMT:
 775         {
 776                 struct v4l2_format *f = arg;
 777
 778                 memset(f,0,sizeof(*f));
 779                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 780                 f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 781                 f->fmt.pix.bytesperline = 0;
 782                 f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
 783                 f->fmt.pix.colorspace   = 0;
 784                 f->fmt.pix.width        = dev->width;
 785                 f->fmt.pix.height       = dev->height;
 786                 f->fmt.pix.field        = fh->mpegq.field;
 787                 dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
 788                         dev->width, dev->height, fh->mpegq.field );
 789                 return 0;
 790         }
 791         case VIDIOC_TRY_FMT:
 792         {
 793                 struct v4l2_format *f = arg;
 794
 795                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 796                 f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 797                 f->fmt.pix.bytesperline = 0;
 798                 f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 799                 f->fmt.pix.colorspace   = 0;
 800                 dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
 801                         dev->width, dev->height, fh->mpegq.field );
 802                 return 0;
 803         }
 804         case VIDIOC_S_FMT:
 805         {
 806                 struct v4l2_format *f = arg;
 807
 808                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 809                 f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 810                 f->fmt.pix.bytesperline = 0;
 811                 f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 812                 f->fmt.pix.colorspace   = 0;
 813                 dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
 814                         f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
 815                 return 0;
 816         }
 817
 818         /* --- streaming capture ------------------------------------- */
 819         case VIDIOC_REQBUFS:
 820                 return videobuf_reqbufs(&fh->mpegq, arg);
 821
 822         case VIDIOC_QUERYBUF:
 823                 return videobuf_querybuf(&fh->mpegq, arg);
 824
 825         case VIDIOC_QBUF:
 826                 return videobuf_qbuf(&fh->mpegq, arg);
 827
 828         case VIDIOC_DQBUF:
 829                 return videobuf_dqbuf(&fh->mpegq, arg,
 830                                       file->f_flags & O_NONBLOCK);
 831
 832         case VIDIOC_STREAMON:
 833                 return videobuf_streamon(&fh->mpegq);
 834
 835         case VIDIOC_STREAMOFF:
 836                 return videobuf_streamoff(&fh->mpegq);
 837
 838         /* --- mpeg compression -------------------------------------- */
 839         case VIDIOC_G_MPEGCOMP:
 840         {
 841                 struct v4l2_mpeg_compression *f = arg;
 842
 843                 printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. "
 844                                     "Replace with VIDIOC_G_EXT_CTRLS!");
 845                 memcpy(f,&default_mpeg_params,sizeof(*f));
 846                 return 0;
 847         }
 848         case VIDIOC_S_MPEGCOMP:
 849                 printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. "
 850                                     "Replace with VIDIOC_S_EXT_CTRLS!");
 851                 return 0;
 852         case VIDIOC_G_EXT_CTRLS:
 853         {
 854                 struct v4l2_ext_controls *f = arg;
 855
 856                 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 857                         return -EINVAL;
 858                 return cx2341x_ext_ctrls(&dev->params, f, cmd);
 859         }
 860         case VIDIOC_S_EXT_CTRLS:
 861         case VIDIOC_TRY_EXT_CTRLS:
 862         {
 863                 struct v4l2_ext_controls *f = arg;
 864                 struct cx2341x_mpeg_params p;
 865                 int err;
 866
 867                 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 868                         return -EINVAL;
 869                 p = dev->params;
 870                 err = cx2341x_ext_ctrls(&p, f, cmd);
 871                 if (err == 0 && cmd == VIDIOC_S_EXT_CTRLS) {
 872                         err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
 873                         dev->params = p;
 874                 }
 875                 return err;
 876         }
 877         case VIDIOC_S_FREQUENCY:
 878         {
 879                 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
 880                                   BLACKBIRD_END_NOW,
 881                                   BLACKBIRD_MPEG_CAPTURE,
 882                                   BLACKBIRD_RAW_BITS_NONE);
 883
 884                 cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook);
 885
 886                 blackbird_initialize_codec(dev);
 887                 cx88_set_scale(dev->core, dev->width, dev->height,
 888                                fh->mpegq.field);
 889                 return 0;
 890         }
 891         case VIDIOC_LOG_STATUS:
 892         {
 893                 char name[32 + 2];
 894
 895                 snprintf(name, sizeof(name), "%s/2", core->name);
 896                 printk("%s/2: ============  START LOG STATUS  ============\n",
 897                        core->name);
 898                 cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
 899                 cx2341x_log_status(&dev->params, name);
 900                 printk("%s/2: =============  END LOG STATUS  =============\n",
 901                        core->name);
 902                 return 0;
 903         }
 904         case VIDIOC_QUERYMENU:
 905                 return blackbird_querymenu(dev, arg);
 906         case VIDIOC_QUERYCTRL:
 907         {
 908                 struct v4l2_queryctrl *c = arg;
 909
 910                 if (blackbird_queryctrl(dev, c) == 0)
 911                         return 0;
 912                 return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, mpeg_do_ioctl);
 913         }
 914
 915         default:
 916                 return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook);
 917         }
 918         return 0;
 919 }
 920
 921 int (*cx88_ioctl_hook)(struct inode *inode, struct file *file,
 922                         unsigned int cmd, void *arg);
 923 unsigned int (*cx88_ioctl_translator)(unsigned int cmd);
 924
 925 static unsigned int mpeg_translate_ioctl(unsigned int cmd)
 926 {
 927         return cmd;
 928 }
 929
 930 static int mpeg_ioctl(struct inode *inode, struct file *file,
 931                         unsigned int cmd, unsigned long arg)
 932 {
 933         cmd = cx88_ioctl_translator( cmd );
 934         return video_usercopy(inode, file, cmd, arg, cx88_ioctl_hook);
 935 }
 936
 937 static int mpeg_open(struct inode *inode, struct file *file)
 938 {
 939         int minor = iminor(inode);
 940         struct cx8802_dev *dev = NULL;
 941         struct cx8802_fh *fh;
 942         struct cx8802_driver *drv = NULL;
 943         int err;
 944
 945        dev = cx8802_get_device(inode);
 946
 947         dprintk( 1, "%s\n", __FUNCTION__);
 948
 949         if (dev == NULL)
 950                 return -ENODEV;
 951
 952         /* Make sure we can acquire the hardware */
 953         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
 954         if (drv) {
 955                 err = drv->request_acquire(drv);
 956                 if(err != 0) {
 957                         dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err);
 958                         return err;
 959                 }
 960         }
 961
 962         if (blackbird_initialize_codec(dev) < 0) {
 963                 if (drv)
 964                         drv->request_release(drv);
 965                 return -EINVAL;
 966         }
 967         dprintk(1,"open minor=%d\n",minor);
 968
 969         /* allocate + initialize per filehandle data */
 970         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
 971         if (NULL == fh) {
 972                 if (drv)
 973                         drv->request_release(drv);
 974                 return -ENOMEM;
 975         }
 976         file->private_data = fh;
 977         fh->dev      = dev;
 978
 979         videobuf_queue_init(&fh->mpegq, &blackbird_qops,
 980                             dev->pci, &dev->slock,
 981                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 982                             V4L2_FIELD_INTERLACED,
 983                             sizeof(struct cx88_buffer),
 984                             fh);
 985
 986         /* FIXME: locking against other video device */
 987         cx88_set_scale(dev->core, dev->width, dev->height,
 988                         fh->mpegq.field);
 989
 990         return 0;
 991 }
 992
 993 static int mpeg_release(struct inode *inode, struct file *file)
 994 {
 995         struct cx8802_fh  *fh  = file->private_data;
 996         struct cx8802_dev *dev = NULL;
 997         struct cx8802_driver *drv = NULL;
 998
 999         /* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
1000         blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1001                         BLACKBIRD_END_NOW,
1002                         BLACKBIRD_MPEG_CAPTURE,
1003                         BLACKBIRD_RAW_BITS_NONE
1004                 );
1005
1006         cx8802_cancel_buffers(fh->dev);
1007         /* stop mpeg capture */
1008         if (fh->mpegq.streaming)
1009                 videobuf_streamoff(&fh->mpegq);
1010         if (fh->mpegq.reading)
1011                 videobuf_read_stop(&fh->mpegq);
1012
1013         videobuf_mmap_free(&fh->mpegq);
1014         file->private_data = NULL;
1015         kfree(fh);
1016
1017         /* Make sure we release the hardware */
1018         dev = cx8802_get_device(inode);
1019         if (dev == NULL)
1020                 return -ENODEV;
1021
1022         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1023         if (drv)
1024                 drv->request_release(drv);
1025
1026         return 0;
1027 }
1028
1029 static ssize_t
1030 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1031 {
1032         struct cx8802_fh *fh = file->private_data;
1033
1034         return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1035                                     file->f_flags & O_NONBLOCK);
1036 }
1037
1038 static unsigned int
1039 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1040 {
1041         struct cx8802_fh *fh = file->private_data;
1042
1043         return videobuf_poll_stream(file, &fh->mpegq, wait);
1044 }
1045
1046 static int
1047 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1048 {
1049         struct cx8802_fh *fh = file->private_data;
1050
1051         return videobuf_mmap_mapper(&fh->mpegq, vma);
1052 }
1053
1054 static const struct file_operations mpeg_fops =
1055 {
1056         .owner         = THIS_MODULE,
1057         .open          = mpeg_open,
1058         .release       = mpeg_release,
1059         .read          = mpeg_read,
1060         .poll          = mpeg_poll,
1061         .mmap          = mpeg_mmap,
1062         .ioctl         = mpeg_ioctl,
1063         .llseek        = no_llseek,
1064 };
1065
1066 static struct video_device cx8802_mpeg_template =
1067 {
1068         .name          = "cx8802",
1069         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
1070         .hardware      = 0,
1071         .fops          = &mpeg_fops,
1072         .minor         = -1,
1073 };
1074
1075 /* ------------------------------------------------------------------ */
1076
1077 /* The CX8802 MPEG API will call this when we can use the hardware */
1078 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1079 {
1080         struct cx88_core *core = drv->core;
1081         int err = 0;
1082
1083         switch (core->board) {
1084         case CX88_BOARD_HAUPPAUGE_HVR1300:
1085                 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1086                  * We left the hardware on power up with the cx22702 active.
1087                  * We're being given access to re-arrange the GPIOs.
1088                  * Take the bus off the cx22702 and put the cx23416 on it.
1089                  */
1090                 cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
1091                 cx_set(MO_GP0_IO,   0x00000004); /* Disable the cx22702 */
1092                 break;
1093         default:
1094                 err = -ENODEV;
1095         }
1096         return err;
1097 }
1098
1099 /* The CX8802 MPEG API will call this when we need to release the hardware */
1100 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1101 {
1102         struct cx88_core *core = drv->core;
1103         int err = 0;
1104
1105         switch (core->board) {
1106         case CX88_BOARD_HAUPPAUGE_HVR1300:
1107                 /* Exit leaving the cx23416 on the bus */
1108                 break;
1109         default:
1110                 err = -ENODEV;
1111         }
1112         return err;
1113 }
1114
1115 static void blackbird_unregister_video(struct cx8802_dev *dev)
1116 {
1117         if (dev->mpeg_dev) {
1118                 if (-1 != dev->mpeg_dev->minor)
1119                         video_unregister_device(dev->mpeg_dev);
1120                 else
1121                         video_device_release(dev->mpeg_dev);
1122                 dev->mpeg_dev = NULL;
1123         }
1124 }
1125
1126 static int blackbird_register_video(struct cx8802_dev *dev)
1127 {
1128         int err;
1129
1130         dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1131                                        &cx8802_mpeg_template,"mpeg");
1132         err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1133         if (err < 0) {
1134                 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1135                        dev->core->name);
1136                 return err;
1137         }
1138         printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1139                dev->core->name,dev->mpeg_dev->minor & 0x1f);
1140         return 0;
1141 }
1142
1143 /* ----------------------------------------------------------- */
1144
1145 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1146 {
1147         struct cx88_core *core = drv->core;
1148         struct cx8802_dev *dev = core->dvbdev;
1149         int err;
1150
1151         dprintk( 1, "%s\n", __FUNCTION__);
1152         dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1153                 core->board,
1154                 core->name,
1155                 core->pci_bus,
1156                 core->pci_slot);
1157
1158         err = -ENODEV;
1159         if (!(cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD))
1160                 goto fail_core;
1161
1162         dev->width = 720;
1163         dev->height = 576;
1164         cx2341x_fill_defaults(&dev->params);
1165         dev->params.port = CX2341X_PORT_STREAMING;
1166
1167         if (core->tvnorm->id & V4L2_STD_525_60) {
1168                 dev->height = 480;
1169         } else {
1170                 dev->height = 576;
1171         }
1172
1173         /* blackbird stuff */
1174         printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1175                core->name);
1176         host_setup(dev->core);
1177
1178         blackbird_register_video(dev);
1179
1180         /* initial device configuration: needed ? */
1181
1182         return 0;
1183
1184  fail_core:
1185         return err;
1186 }
1187
1188 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1189 {
1190         /* blackbird */
1191         blackbird_unregister_video(drv->core->dvbdev);
1192
1193         return 0;
1194 }
1195
1196 static struct cx8802_driver cx8802_blackbird_driver = {
1197         .type_id        = CX88_MPEG_BLACKBIRD,
1198         .hw_access      = CX8802_DRVCTL_SHARED,
1199         .probe          = cx8802_blackbird_probe,
1200         .remove         = cx8802_blackbird_remove,
1201         .advise_acquire = cx8802_blackbird_advise_acquire,
1202         .advise_release = cx8802_blackbird_advise_release,
1203 };
1204
1205 static int blackbird_init(void)
1206 {
1207         printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1208                (CX88_VERSION_CODE >> 16) & 0xff,
1209                (CX88_VERSION_CODE >>  8) & 0xff,
1210                CX88_VERSION_CODE & 0xff);
1211 #ifdef SNAPSHOT
1212         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1213                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1214 #endif
1215         cx88_ioctl_hook = mpeg_do_ioctl;
1216         cx88_ioctl_translator = mpeg_translate_ioctl;
1217         return cx8802_register_driver(&cx8802_blackbird_driver);
1218 }
1219
1220 static void blackbird_fini(void)
1221 {
1222         cx8802_unregister_driver(&cx8802_blackbird_driver);
1223 }
1224
1225 module_init(blackbird_init);
1226 module_exit(blackbird_fini);
1227
1228 EXPORT_SYMBOL(cx88_ioctl_hook);
1229 EXPORT_SYMBOL(cx88_ioctl_translator);
1230
1231 /* ----------------------------------------------------------- */
1232 /*
1233  * Local variables:
1234  * c-basic-offset: 8
1235  * End:
1236  * 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
1237  */