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

   1 /*
   2  * $Id: cx88-blackbird.c,v 1.26 2005/03/07 15:58:05 kraxel Exp $
   3  *
   4  *  Support for a cx23416 mpeg encoder via cx2388x host port.
   5  *  "blackbird" reference design.
   6  *
   7  *    (c) 2004 Jelle Foks <jelle@foks.8m.com>
   8  *    (c) 2004 Gerd Knorr <kraxel@bytesex.org>
   9  *
  10  *  Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
  11  *
  12  *  This program is free software; you can redistribute it and/or modify
  13  *  it under the terms of the GNU General Public License as published by
  14  *  the Free Software Foundation; either version 2 of the License, or
  15  *  (at your option) any later version.
  16  *
  17  *  This program is distributed in the hope that it will be useful,
  18  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *  GNU General Public License for more details.
  21  *
  22  *  You should have received a copy of the GNU General Public License
  23  *  along with this program; if not, write to the Free Software
  24  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  25  */
  26
  27 #include <linux/module.h>
  28 #include <linux/moduleparam.h>
  29 #include <linux/init.h>
  30 #include <linux/fs.h>
  31 #include <linux/delay.h>
  32 #include <linux/device.h>
  33 #include <linux/firmware.h>
  34
  35 #include "cx88.h"
  36
  37 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
  38 MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>");
  39 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  40 MODULE_LICENSE("GPL");
  41
  42 static unsigned int mpegbufs = 8;
  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 static LIST_HEAD(cx8802_devlist);
  54
  55 /* ------------------------------------------------------------------ */
  56
  57 #define BLACKBIRD_FIRM_ENC_FILENAME "blackbird-fw-enc.bin"
  58 #define BLACKBIRD_FIRM_IMAGE_SIZE 256*1024
  59
  60 /* defines below are from ivtv-driver.h */
  61
  62 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
  63
  64 /*Firmware API commands*/
  65 #define IVTV_API_ENC_PING_FW 0x00000080
  66 #define IVTV_API_ENC_GETVER 0x000000C4
  67 #define IVTV_API_ENC_HALT_FW 0x000000C3
  68 #define IVTV_API_STD_TIMEOUT 0x00010000 /*units??*/
  69 //#define IVTV_API_ASSIGN_PGM_INDEX_INFO 0x000000c7
  70 #define IVTV_API_ASSIGN_STREAM_TYPE 0x000000b9
  71 #define IVTV_API_ASSIGN_OUTPUT_PORT 0x000000bb
  72 #define IVTV_API_ASSIGN_FRAMERATE 0x0000008f
  73 #define IVTV_API_ASSIGN_FRAME_SIZE 0x00000091
  74 #define IVTV_API_ASSIGN_ASPECT_RATIO 0x00000099
  75 #define IVTV_API_ASSIGN_BITRATES 0x00000095
  76 #define IVTV_API_ASSIGN_GOP_PROPERTIES 0x00000097
  77 #define IVTV_API_ASSIGN_3_2_PULLDOWN 0x000000b1
  78 #define IVTV_API_ASSIGN_GOP_CLOSURE 0x000000c5
  79 #define IVTV_API_ASSIGN_AUDIO_PROPERTIES 0x000000bd
  80 #define IVTV_API_ASSIGN_DNR_FILTER_MODE 0x0000009b
  81 #define IVTV_API_ASSIGN_DNR_FILTER_PROPS 0x0000009d
  82 #define IVTV_API_ASSIGN_CORING_LEVELS 0x0000009f
  83 #define IVTV_API_ASSIGN_SPATIAL_FILTER_TYPE 0x000000a1
  84 #define IVTV_API_ASSIGN_FRAME_DROP_RATE 0x000000d0
  85 #define IVTV_API_ASSIGN_PLACEHOLDER 0x000000d8
  86 #define IVTV_API_MUTE_VIDEO 0x000000d9
  87 #define IVTV_API_MUTE_AUDIO 0x000000da
  88 #define IVTV_API_INITIALIZE_INPUT 0x000000cd
  89 #define IVTV_API_REFRESH_INPUT 0x000000d3
  90 #define IVTV_API_ASSIGN_NUM_VSYNC_LINES 0x000000d6
  91 #define IVTV_API_BEGIN_CAPTURE 0x00000081
  92 //#define IVTV_API_PAUSE_ENCODER 0x000000d2
  93 //#define IVTV_API_EVENT_NOTIFICATION 0x000000d5
  94 #define IVTV_API_END_CAPTURE 0x00000082
  95
  96 /* Registers */
  97 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
  98 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
  99 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
 100 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
 101 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
 102 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
 103
 104 /* ------------------------------------------------------------------ */
 105
 106 static void host_setup(struct cx88_core *core)
 107 {
 108         /* toggle reset of the host */
 109         cx_write(MO_GPHST_SOFT_RST, 1);
 110         udelay(100);
 111         cx_write(MO_GPHST_SOFT_RST, 0);
 112         udelay(100);
 113
 114         /* host port setup */
 115         cx_write(MO_GPHST_WSC, 0x44444444U);
 116         cx_write(MO_GPHST_XFR, 0);
 117         cx_write(MO_GPHST_WDTH, 15);
 118         cx_write(MO_GPHST_HDSHK, 0);
 119         cx_write(MO_GPHST_MUX16, 0x44448888U);
 120         cx_write(MO_GPHST_MODE, 0);
 121 }
 122
 123 /* ------------------------------------------------------------------ */
 124
 125 #define P1_MDATA0 0x390000
 126 #define P1_MDATA1 0x390001
 127 #define P1_MDATA2 0x390002
 128 #define P1_MDATA3 0x390003
 129 #define P1_MADDR2 0x390004
 130 #define P1_MADDR1 0x390005
 131 #define P1_MADDR0 0x390006
 132 #define P1_RDATA0 0x390008
 133 #define P1_RDATA1 0x390009
 134 #define P1_RDATA2 0x39000A
 135 #define P1_RDATA3 0x39000B
 136 #define P1_RADDR0 0x39000C
 137 #define P1_RADDR1 0x39000D
 138 #define P1_RRDWR  0x39000E
 139
 140 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 141 {
 142         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 143         u32 gpio0,need;
 144
 145         need = state ? 2 : 0;
 146         for (;;) {
 147                 gpio0 = cx_read(MO_GP0_IO) & 2;
 148                 if (need == gpio0)
 149                         return 0;
 150                 if (time_after(jiffies,timeout))
 151                         return -1;
 152                 udelay(1);
 153         }
 154 }
 155
 156 static int memory_write(struct cx88_core *core, u32 address, u32 value)
 157 {
 158         /* Warning: address is dword address (4 bytes) */
 159         cx_writeb(P1_MDATA0, (unsigned int)value);
 160         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
 161         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
 162         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
 163         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
 164         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 165         cx_writeb(P1_MADDR0, (unsigned int)address);
 166         cx_read(P1_MDATA0);
 167         cx_read(P1_MADDR0);
 168
 169         return wait_ready_gpio0_bit1(core,1);
 170 }
 171
 172 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 173 {
 174         int retval;
 175         u32 val;
 176
 177         /* Warning: address is dword address (4 bytes) */
 178         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
 179         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 180         cx_writeb(P1_MADDR0, (unsigned int)address);
 181         cx_read(P1_MADDR0);
 182
 183         retval = wait_ready_gpio0_bit1(core,1);
 184
 185         cx_writeb(P1_MDATA3, 0);
 186         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
 187         cx_writeb(P1_MDATA2, 0);
 188         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
 189         cx_writeb(P1_MDATA1, 0);
 190         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
 191         cx_writeb(P1_MDATA0, 0);
 192         val    |= (unsigned char)cx_read(P1_MDATA0);
 193
 194         *value  = val;
 195         return retval;
 196 }
 197
 198 static int register_write(struct cx88_core *core, u32 address, u32 value)
 199 {
 200         cx_writeb(P1_RDATA0, (unsigned int)value);
 201         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
 202         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
 203         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
 204         cx_writeb(P1_RADDR0, (unsigned int)address);
 205         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 206         cx_writeb(P1_RRDWR, 1);
 207         cx_read(P1_RDATA0);
 208         cx_read(P1_RADDR0);
 209
 210         return wait_ready_gpio0_bit1(core,1);
 211 }
 212
 213
 214 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 215 {
 216         int retval;
 217         u32 val;
 218
 219         cx_writeb(P1_RADDR0, (unsigned int)address);
 220         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 221         cx_writeb(P1_RRDWR, 0);
 222         cx_read(P1_RADDR0);
 223
 224         retval  = wait_ready_gpio0_bit1(core,1);
 225         val     = (unsigned char)cx_read(P1_RDATA0);
 226         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 227         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
 228         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
 229
 230         *value  = val;
 231         return retval;
 232 }
 233
 234 /* ------------------------------------------------------------------ */
 235
 236 /* We don't need to call the API often, so using just one mailbox will probably suffice */
 237 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 238                              u32 inputcnt, u32 outputcnt, ...)
 239 {
 240         unsigned long timeout;
 241         u32 value, flag, retval;
 242         int i;
 243         va_list args;
 244         va_start(args, outputcnt);
 245
 246         dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
 247
 248         /* this may not be 100% safe if we can't read any memory location
 249            without side effects */
 250         memory_read(dev->core, dev->mailbox - 4, &value);
 251         if (value != 0x12345678) {
 252                 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
 253                 return -1;
 254         }
 255
 256         memory_read(dev->core, dev->mailbox, &flag);
 257         if (flag) {
 258                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 259                 return -1;
 260         }
 261
 262         flag |= 1; /* tell 'em we're working on it */
 263         memory_write(dev->core, dev->mailbox, flag);
 264
 265         /* write command + args + fill remaining with zeros */
 266         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 267         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
 268         for (i = 0; i < inputcnt ; i++) {
 269                 value = va_arg(args, int);
 270                 memory_write(dev->core, dev->mailbox + 4 + i, value);
 271                 dprintk(1, "API Input %d = %d\n", i, value);
 272         }
 273         for (; i < 16 ; i++)
 274                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
 275
 276         flag |= 3; /* tell 'em we're done writing */
 277         memory_write(dev->core, dev->mailbox, flag);
 278
 279         /* wait for firmware to handle the API command */
 280         timeout = jiffies + msecs_to_jiffies(10);
 281         for (;;) {
 282                 memory_read(dev->core, dev->mailbox, &flag);
 283                 if (0 != (flag & 4))
 284                         break;
 285                 if (time_after(jiffies,timeout)) {
 286                         dprintk(0, "ERROR: API Mailbox timeout\n");
 287                         return -1;
 288                 }
 289                 udelay(10);
 290         }
 291
 292         /* read output values */
 293         for (i = 0; i < outputcnt ; i++) {
 294                 int *vptr = va_arg(args, int *);
 295                 memory_read(dev->core, dev->mailbox + 4 + i, vptr);
 296                 dprintk(1, "API Output %d = %d\n", i, *vptr);
 297         }
 298         va_end(args);
 299
 300         memory_read(dev->core, dev->mailbox + 2, &retval);
 301         dprintk(1, "API result = %d\n",retval);
 302
 303         flag = 0;
 304         memory_write(dev->core, dev->mailbox, flag);
 305         return retval;
 306 }
 307
 308
 309 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 310 {
 311         u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
 312         int signaturecnt=0;
 313         u32 value;
 314         int i;
 315
 316         for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 317                 memory_read(dev->core, i, &value);
 318                 if (value == signature[signaturecnt])
 319                         signaturecnt++;
 320                 else
 321                         signaturecnt = 0;
 322                 if (4 == signaturecnt) {
 323                         dprintk(1, "Mailbox signature found\n");
 324                         return i+1;
 325                 }
 326         }
 327         dprintk(0, "Mailbox signature values not found!\n");
 328         return -1;
 329 }
 330
 331 static int blackbird_load_firmware(struct cx8802_dev *dev)
 332 {
 333         static const unsigned char magic[8] = {
 334                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 335         };
 336         const struct firmware *firmware;
 337         int i, retval = 0;
 338         u32 value = 0;
 339         u32 checksum = 0;
 340         u32 *dataptr;
 341
 342         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 343         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 344         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
 345         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 346         msleep(1);
 347         retval |= register_write(dev->core, IVTV_REG_APU, 0);
 348
 349         if (retval < 0)
 350                 dprintk(0, "Error with register_write\n");
 351
 352         retval = request_firmware(&firmware, BLACKBIRD_FIRM_ENC_FILENAME,
 353                                   &dev->pci->dev);
 354         if (retval != 0) {
 355                 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
 356                         BLACKBIRD_FIRM_ENC_FILENAME);
 357                 dprintk(0, "Please fix your hotplug setup, the board will "
 358                         "not work without firmware loaded!\n");
 359                 return -1;
 360         }
 361
 362         if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 363                 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
 364                         firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 365                 return -1;
 366         }
 367
 368         if (0 != memcmp(firmware->data, magic, 8)) {
 369                 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
 370                 return -1;
 371         }
 372
 373         /* transfer to the chip */
 374         dprintk(1,"Loading firmware ...\n");
 375         dataptr = (u32*)firmware->data;
 376         for (i = 0; i < (firmware->size >> 2); i++) {
 377                 value = *dataptr;
 378                 checksum += ~value;
 379                 memory_write(dev->core, i, value);
 380                 dataptr++;
 381         }
 382
 383         /* read back to verify with the checksum */
 384         for (i--; i >= 0; i--) {
 385                 memory_read(dev->core, i, &value);
 386                 checksum -= ~value;
 387         }
 388         if (checksum) {
 389                 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
 390                 return -1;
 391         }
 392         release_firmware(firmware);
 393         dprintk(0, "Firmware upload successful.\n");
 394
 395         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 396         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 397         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 398         msleep(1);
 399
 400         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 401         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 402
 403         if (retval < 0)
 404                 dprintk(0, "Error with register_write\n");
 405         return 0;
 406 }
 407
 408 static void blackbird_codec_settings(struct cx8802_dev *dev)
 409 {
 410         int bitrate_mode = 1;
 411         int bitrate = 7500000;
 412         int bitrate_peak = 7500000;
 413
 414         /* assign stream type */
 415         blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 0); /* program stream */
 416         //blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 2); /* MPEG1 stream */
 417         //blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 3); /* PES A/V */
 418         //blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 10); /* DVD stream */
 419
 420         /* assign output port */
 421         blackbird_api_cmd(dev, IVTV_API_ASSIGN_OUTPUT_PORT, 1, 0, 1); /* 1 = Host */
 422
 423         /* assign framerate */
 424         blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAMERATE, 1, 0, 0);
 425
 426         /* assign frame size */
 427         blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAME_SIZE, 2, 0,
 428                           dev->height, dev->width);
 429
 430         /* assign aspect ratio */
 431         blackbird_api_cmd(dev, IVTV_API_ASSIGN_ASPECT_RATIO, 1, 0, 2);
 432
 433         /* assign bitrates */
 434         blackbird_api_cmd(dev, IVTV_API_ASSIGN_BITRATES, 5, 0,
 435                          bitrate_mode,         /* mode */
 436                          bitrate,              /* bps */
 437                          bitrate_peak / 400,   /* peak/400 */
 438                          0, 0x70);             /* encoding buffer, ckennedy */
 439
 440         /* assign gop properties */
 441         blackbird_api_cmd(dev, IVTV_API_ASSIGN_GOP_PROPERTIES, 2, 0, 15, 3);
 442         //blackbird_api_cmd(dev, IVTV_API_ASSIGN_GOP_PROPERTIES, 2, 0, 2, 1);
 443
 444         /* assign 3 2 pulldown */
 445         blackbird_api_cmd(dev, IVTV_API_ASSIGN_3_2_PULLDOWN, 1, 0, 0);
 446
 447         /* note: it's not necessary to set the samplerate, the mpeg encoder seems to autodetect/adjust */
 448         blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, (2<<2) | (8<<4));
 449
 450         /* assign gop closure */
 451         blackbird_api_cmd(dev, IVTV_API_ASSIGN_GOP_CLOSURE, 1, 0, 0);
 452
 453         /* assign audio properties */
 454         blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, 0 | (2 << 2) | (14 << 4));
 455
 456         /* assign dnr filter mode */
 457         blackbird_api_cmd(dev, IVTV_API_ASSIGN_DNR_FILTER_MODE, 2, 0, 0, 0);
 458
 459         /* assign dnr filter props*/
 460         blackbird_api_cmd(dev, IVTV_API_ASSIGN_DNR_FILTER_PROPS, 2, 0, 0, 0);
 461
 462         /* assign coring levels (luma_h, luma_l, chroma_h, chroma_l) */
 463         blackbird_api_cmd(dev, IVTV_API_ASSIGN_CORING_LEVELS, 4, 0, 0, 255, 0, 255);
 464
 465         /* assign spatial filter type: luma_t: 1 = horiz_only, chroma_t: 1 = horiz_only */
 466         blackbird_api_cmd(dev, IVTV_API_ASSIGN_SPATIAL_FILTER_TYPE, 2, 0, 1, 1);
 467
 468         /* assign frame drop rate */
 469         blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAME_DROP_RATE, 1, 0, 0);
 470 }
 471
 472 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 473 {
 474         struct cx88_core *core = dev->core;
 475         int version;
 476         int retval;
 477
 478         dprintk(1,"Initialize codec\n");
 479         retval = blackbird_api_cmd(dev, IVTV_API_ENC_PING_FW, 0, 0); /* ping */
 480         if (retval < 0) {
 481                 /* ping was not successful, reset and upload firmware */
 482                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 483                 msleep(1);
 484                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 485                 msleep(1);
 486                 retval = blackbird_load_firmware(dev);
 487                 if (retval < 0)
 488                         return retval;
 489
 490                 dev->mailbox = blackbird_find_mailbox(dev);
 491                 if (dev->mailbox < 0)
 492                         return -1;
 493
 494                 retval = blackbird_api_cmd(dev, IVTV_API_ENC_PING_FW, 0, 0); /* ping */
 495                 if (retval < 0) {
 496                         dprintk(0, "ERROR: Firmware ping failed!\n");
 497                         return -1;
 498                 }
 499
 500                 retval = blackbird_api_cmd(dev, IVTV_API_ENC_GETVER, 0, 1, &version);
 501                 if (retval < 0) {
 502                         dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 503                         return -1;
 504                 }
 505                 dprintk(0, "Firmware version is 0x%08x\n", version);
 506         }
 507         msleep(1);
 508
 509         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 510         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 511         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 512         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 513
 514 #if 0 /* FIXME */
 515         set_scale(dev, 720, 480, V4L2_FIELD_INTERLACED);
 516 #endif
 517         blackbird_codec_settings(dev);
 518         msleep(1);
 519
 520         //blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
 521         blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
 522         //blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180);
 523         blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 524
 525         blackbird_api_cmd(dev, IVTV_API_INITIALIZE_INPUT, 0, 0); /* initialize the video input */
 526
 527         msleep(1);
 528
 529         blackbird_api_cmd(dev, IVTV_API_MUTE_VIDEO, 1, 0, 0);
 530         msleep(1);
 531         blackbird_api_cmd(dev, IVTV_API_MUTE_AUDIO, 1, 0, 0);
 532         msleep(1);
 533
 534         blackbird_api_cmd(dev, IVTV_API_BEGIN_CAPTURE, 2, 0, 0, 0x13); /* start capturing to the host interface */
 535         //blackbird_api_cmd(dev, IVTV_API_BEGIN_CAPTURE, 2, 0, 0, 0); /* start capturing to the host interface */
 536         msleep(1);
 537
 538         blackbird_api_cmd(dev, IVTV_API_REFRESH_INPUT, 0,0);
 539         return 0;
 540 }
 541
 542 /* ------------------------------------------------------------------ */
 543
 544 static int bb_buf_setup(struct videobuf_queue *q,
 545                         unsigned int *count, unsigned int *size)
 546 {
 547         struct cx8802_fh *fh = q->priv_data;
 548
 549         fh->dev->ts_packet_size  = 512;
 550         fh->dev->ts_packet_count = 100;
 551
 552         *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
 553         if (0 == *count)
 554                 *count = mpegbufs;
 555         if (*count < 2)
 556                 *count = 2;
 557         if (*count > 32)
 558                 *count = 32;
 559         return 0;
 560 }
 561
 562 static int
 563 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 564                enum v4l2_field field)
 565 {
 566         struct cx8802_fh *fh = q->priv_data;
 567         return cx8802_buf_prepare(fh->dev, (struct cx88_buffer*)vb);
 568 }
 569
 570 static void
 571 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 572 {
 573         struct cx8802_fh *fh = q->priv_data;
 574         cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
 575 }
 576
 577 static void
 578 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 579 {
 580         struct cx8802_fh *fh = q->priv_data;
 581         cx88_free_buffer(fh->dev->pci, (struct cx88_buffer*)vb);
 582 }
 583
 584 static struct videobuf_queue_ops blackbird_qops = {
 585         .buf_setup    = bb_buf_setup,
 586         .buf_prepare  = bb_buf_prepare,
 587         .buf_queue    = bb_buf_queue,
 588         .buf_release  = bb_buf_release,
 589 };
 590
 591 /* ------------------------------------------------------------------ */
 592
 593 static int mpeg_do_ioctl(struct inode *inode, struct file *file,
 594                          unsigned int cmd, void *arg)
 595 {
 596         struct cx8802_fh  *fh  = file->private_data;
 597         struct cx8802_dev *dev = fh->dev;
 598
 599         if (debug > 1)
 600                 cx88_print_ioctl(dev->core->name,cmd);
 601
 602         switch (cmd) {
 603
 604         /* --- capture ioctls ---------------------------------------- */
 605         case VIDIOC_ENUM_FMT:
 606         {
 607                 struct v4l2_fmtdesc *f = arg;
 608                 int index;
 609
 610                 index = f->index;
 611                 if (index != 0)
 612                         return -EINVAL;
 613
 614                 memset(f,0,sizeof(*f));
 615                 f->index = index;
 616                 strlcpy(f->description, "MPEG TS", sizeof(f->description));
 617                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 618                 f->pixelformat = V4L2_PIX_FMT_MPEG;
 619                 return 0;
 620         }
 621         case VIDIOC_G_FMT:
 622         case VIDIOC_S_FMT:
 623         case VIDIOC_TRY_FMT:
 624         {
 625                 /* FIXME -- quick'n'dirty for exactly one size ... */
 626                 struct v4l2_format *f = arg;
 627
 628                 memset(f,0,sizeof(*f));
 629                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 630                 f->fmt.pix.width        = dev->width;
 631                 f->fmt.pix.height       = dev->height;
 632                 f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 633                 f->fmt.pix.sizeimage    = 1024 * 512 /* FIXME: BUFFER_SIZE */;
 634         }
 635
 636         /* --- streaming capture ------------------------------------- */
 637         case VIDIOC_REQBUFS:
 638                 return videobuf_reqbufs(&fh->mpegq, arg);
 639
 640         case VIDIOC_QUERYBUF:
 641                 return videobuf_querybuf(&fh->mpegq, arg);
 642
 643         case VIDIOC_QBUF:
 644                 return videobuf_qbuf(&fh->mpegq, arg);
 645
 646         case VIDIOC_DQBUF:
 647                 return videobuf_dqbuf(&fh->mpegq, arg,
 648                                       file->f_flags & O_NONBLOCK);
 649
 650         case VIDIOC_STREAMON:
 651                 return videobuf_streamon(&fh->mpegq);
 652
 653         case VIDIOC_STREAMOFF:
 654                 return videobuf_streamoff(&fh->mpegq);
 655
 656         default:
 657                 return -EINVAL;
 658         }
 659         return 0;
 660 }
 661
 662 static int mpeg_ioctl(struct inode *inode, struct file *file,
 663                        unsigned int cmd, unsigned long arg)
 664 {
 665         return video_usercopy(inode, file, cmd, arg, mpeg_do_ioctl);
 666 }
 667
 668 static int mpeg_open(struct inode *inode, struct file *file)
 669 {
 670         int minor = iminor(inode);
 671         struct cx8802_dev *h,*dev = NULL;
 672         struct cx8802_fh *fh;
 673         struct list_head *list;
 674
 675         list_for_each(list,&cx8802_devlist) {
 676                 h = list_entry(list, struct cx8802_dev, devlist);
 677                 if (h->mpeg_dev->minor == minor)
 678                         dev = h;
 679         }
 680         if (NULL == dev)
 681                 return -ENODEV;
 682
 683         if (blackbird_initialize_codec(dev) < 0)
 684                 return -EINVAL;
 685         dprintk(1,"open minor=%d\n",minor);
 686
 687         /* allocate + initialize per filehandle data */
 688         fh = kmalloc(sizeof(*fh),GFP_KERNEL);
 689         if (NULL == fh)
 690                 return -ENOMEM;
 691         memset(fh,0,sizeof(*fh));
 692         file->private_data = fh;
 693         fh->dev      = dev;
 694
 695         /* FIXME: locking against other video device */
 696         cx88_set_scale(dev->core, dev->width, dev->height,
 697                        V4L2_FIELD_INTERLACED);
 698
 699         videobuf_queue_init(&fh->mpegq, &blackbird_qops,
 700                             dev->pci, &dev->slock,
 701                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 702                             V4L2_FIELD_TOP,
 703                             sizeof(struct cx88_buffer),
 704                             fh);
 705         return 0;
 706 }
 707
 708 static int mpeg_release(struct inode *inode, struct file *file)
 709 {
 710         struct cx8802_fh  *fh  = file->private_data;
 711
 712         blackbird_api_cmd(fh->dev, IVTV_API_END_CAPTURE, 3, 0, 1, 0, 0x13);
 713
 714         /* stop mpeg capture */
 715         if (fh->mpegq.streaming)
 716                 videobuf_streamoff(&fh->mpegq);
 717         if (fh->mpegq.reading)
 718                 videobuf_read_stop(&fh->mpegq);
 719
 720         videobuf_mmap_free(&fh->mpegq);
 721         file->private_data = NULL;
 722         kfree(fh);
 723         return 0;
 724 }
 725
 726 static ssize_t
 727 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 728 {
 729         struct cx8802_fh *fh = file->private_data;
 730
 731         return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
 732                                     file->f_flags & O_NONBLOCK);
 733 }
 734
 735 static unsigned int
 736 mpeg_poll(struct file *file, struct poll_table_struct *wait)
 737 {
 738         struct cx8802_fh *fh = file->private_data;
 739
 740         return videobuf_poll_stream(file, &fh->mpegq, wait);
 741 }
 742
 743 static int
 744 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
 745 {
 746         struct cx8802_fh *fh = file->private_data;
 747
 748         return videobuf_mmap_mapper(&fh->mpegq, vma);
 749 }
 750
 751 static struct file_operations mpeg_fops =
 752 {
 753         .owner         = THIS_MODULE,
 754         .open          = mpeg_open,
 755         .release       = mpeg_release,
 756         .read          = mpeg_read,
 757         .poll          = mpeg_poll,
 758         .mmap          = mpeg_mmap,
 759         .ioctl         = mpeg_ioctl,
 760         .llseek        = no_llseek,
 761 };
 762
 763 static struct video_device cx8802_mpeg_template =
 764 {
 765         .name          = "cx8802",
 766         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
 767         .hardware      = 0,
 768         .fops          = &mpeg_fops,
 769         .minor         = -1,
 770 };
 771
 772 /* ------------------------------------------------------------------ */
 773
 774 static void blackbird_unregister_video(struct cx8802_dev *dev)
 775 {
 776         if (dev->mpeg_dev) {
 777                 if (-1 != dev->mpeg_dev->minor)
 778                         video_unregister_device(dev->mpeg_dev);
 779                 else
 780                         video_device_release(dev->mpeg_dev);
 781                 dev->mpeg_dev = NULL;
 782         }
 783 }
 784
 785 static int blackbird_register_video(struct cx8802_dev *dev)
 786 {
 787         int err;
 788
 789         dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
 790                                        &cx8802_mpeg_template,"mpeg");
 791         err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
 792         if (err < 0) {
 793                 printk(KERN_INFO "%s/2: can't register mpeg device\n",
 794                        dev->core->name);
 795                 return err;
 796         }
 797         printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
 798                dev->core->name,dev->mpeg_dev->minor & 0x1f);
 799         return 0;
 800 }
 801
 802 /* ----------------------------------------------------------- */
 803
 804 static int __devinit blackbird_probe(struct pci_dev *pci_dev,
 805                                      const struct pci_device_id *pci_id)
 806 {
 807         struct cx8802_dev *dev;
 808         struct cx88_core  *core;
 809         int err;
 810
 811         /* general setup */
 812         core = cx88_core_get(pci_dev);
 813         if (NULL == core)
 814                 return -EINVAL;
 815
 816         err = -ENODEV;
 817         if (!cx88_boards[core->board].blackbird)
 818                 goto fail_core;
 819
 820         err = -ENOMEM;
 821         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
 822         if (NULL == dev)
 823                 goto fail_core;
 824         memset(dev,0,sizeof(*dev));
 825         dev->pci = pci_dev;
 826         dev->core = core;
 827         dev->width = 720;
 828         dev->height = 480;
 829
 830         err = cx8802_init_common(dev);
 831         if (0 != err)
 832                 goto fail_free;
 833
 834         /* blackbird stuff */
 835         printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
 836                core->name);
 837         host_setup(dev->core);
 838
 839         list_add_tail(&dev->devlist,&cx8802_devlist);
 840         blackbird_register_video(dev);
 841         return 0;
 842
 843  fail_free:
 844         kfree(dev);
 845  fail_core:
 846         cx88_core_put(core,pci_dev);
 847         return err;
 848 }
 849
 850 static void __devexit blackbird_remove(struct pci_dev *pci_dev)
 851 {
 852         struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
 853
 854         /* blackbird */
 855         blackbird_unregister_video(dev);
 856         list_del(&dev->devlist);
 857
 858         /* common */
 859         cx8802_fini_common(dev);
 860         cx88_core_put(dev->core,dev->pci);
 861         kfree(dev);
 862 }
 863
 864 static struct pci_device_id cx8802_pci_tbl[] = {
 865         {
 866                 .vendor       = 0x14f1,
 867                 .device       = 0x8802,
 868                 .subvendor    = PCI_ANY_ID,
 869                 .subdevice    = PCI_ANY_ID,
 870         },{
 871                 /* --- end of list --- */
 872         }
 873 };
 874 MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
 875
 876 static struct pci_driver blackbird_pci_driver = {
 877         .name     = "cx88-blackbird",
 878         .id_table = cx8802_pci_tbl,
 879         .probe    = blackbird_probe,
 880         .remove   = __devexit_p(blackbird_remove),
 881         .suspend  = cx8802_suspend_common,
 882         .resume   = cx8802_resume_common,
 883 };
 884
 885 static int blackbird_init(void)
 886 {
 887         printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
 888                (CX88_VERSION_CODE >> 16) & 0xff,
 889                (CX88_VERSION_CODE >>  8) & 0xff,
 890                CX88_VERSION_CODE & 0xff);
 891 #ifdef SNAPSHOT
 892         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
 893                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
 894 #endif
 895         return pci_register_driver(&blackbird_pci_driver);
 896 }
 897
 898 static void blackbird_fini(void)
 899 {
 900         pci_unregister_driver(&blackbird_pci_driver);
 901 }
 902
 903 module_init(blackbird_init);
 904 module_exit(blackbird_fini);
 905
 906 /* ----------------------------------------------------------- */
 907 /*
 908  * Local variables:
 909  * c-basic-offset: 8
 910  * End:
 911  */