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

   1 /*
   2  * $Id: cx88-blackbird.c,v 1.27 2005/06/03 13:31:50 mchehab 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_STD_TIMEOUT 0x00010000 // 65536, units?? */
  66 #define IVTV_API_STD_TIMEOUT 500
  67
  68 #define BLACKBIRD_API_PING               0x80
  69 #define BLACKBIRD_API_BEGIN_CAPTURE      0x81
  70 enum blackbird_capture_type {
  71         BLACKBIRD_MPEG_CAPTURE,
  72         BLACKBIRD_RAW_CAPTURE,
  73         BLACKBIRD_RAW_PASSTHRU_CAPTURE
  74 };
  75 enum blackbird_capture_bits {
  76         BLACKBIRD_RAW_BITS_NONE             = 0x00,
  77         BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
  78         BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
  79         BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
  80         BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
  81         BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
  82 };
  83 #define BLACKBIRD_API_END_CAPTURE        0x82
  84 enum blackbird_capture_end {
  85         BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
  86         BLACKBIRD_END_NOW, /* stop immediately, no irq */
  87 };
  88 #define BLACKBIRD_API_SET_AUDIO_ID       0x89
  89 #define BLACKBIRD_API_SET_VIDEO_ID       0x8B
  90 #define BLACKBIRD_API_SET_PCR_ID         0x8D
  91 #define BLACKBIRD_API_SET_FRAMERATE      0x8F
  92 enum blackbird_framerate {
  93         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
  94         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
  95 };
  96 #define BLACKBIRD_API_SET_RESOLUTION     0x91
  97 #define BLACKBIRD_API_SET_VIDEO_BITRATE  0x95
  98 enum blackbird_video_bitrate_type {
  99         BLACKBIRD_VIDEO_VBR,
 100         BLACKBIRD_VIDEO_CBR
 101 };
 102 #define BLACKBIRD_PEAK_RATE_DIVISOR 400
 103 enum blackbird_mux_rate {
 104         BLACKBIRD_MUX_RATE_DEFAULT,
 105          /* dvd mux rate: multiply by 400 to get the actual rate */
 106         BLACKBIRD_MUX_RATE_DVD = 25200
 107 };
 108 #define BLACKBIRD_API_SET_GOP_STRUCTURE  0x97
 109 #define BLACKBIRD_API_SET_ASPECT_RATIO   0x99
 110 enum blackbird_aspect_ratio {
 111         BLACKBIRD_ASPECT_RATIO_FORBIDDEN,
 112         BLACKBIRD_ASPECT_RATIO_1_1_SQUARE,
 113         BLACKBIRD_ASPECT_RATIO_4_3,
 114         BLACKBIRD_ASPECT_RATIO_16_9,
 115         BLACKBIRD_ASPECT_RATIO_221_100,
 116         BLACKBIRD_ASPECT_RATIO_RESERVED
 117 };
 118 #define BLACKBIRD_API_SET_DNR_MODE       0x9B
 119 enum blackbird_dnr_bits {
 120         BLACKBIRD_DNR_BITS_MANUAL,
 121         BLACKBIRD_DNR_BITS_AUTO_SPATIAL,
 122         BLACKBIRD_DNR_BITS_AUTO_TEMPORAL,
 123         BLACKBIRD_DNR_BITS_AUTO
 124 };
 125 enum blackbird_median_filter {
 126         BLACKBIRD_MEDIAN_FILTER_DISABLED,
 127         BLACKBIRD_MEDIAN_FILTER_HORIZONTAL,
 128         BLACKBIRD_MEDIAN_FILTER_VERTICAL,
 129         BLACKBIRD_MEDIAN_FILTER_HV,
 130         BLACKBIRD_MEDIAN_FILTER_DIAGONAL
 131 };
 132 #define BLACKBIRD_API_SET_MANUAL_DNR     0x9D
 133 #define BLACKBIRD_API_SET_DNR_MEDIAN     0x9F
 134 #define BLACKBIRD_API_SET_SPATIAL_FILTER 0xA1
 135 enum blackbird_spatial_filter_luma {
 136         BLACKBIRD_SPATIAL_FILTER_LUMA_DISABLED,
 137         BLACKBIRD_SPATIAL_FILTER_LUMA_1D_HORIZ,
 138         BLACKBIRD_SPATIAL_FILTER_LUMA_1D_VERT,
 139         BLACKBIRD_SPATIAL_FILTER_LUMA_2D_HV, /* separable, default */
 140         BLACKBIRD_SPATIAL_FILTER_LUMA_2D_SYMM /* symmetric non-separable */
 141 };
 142 enum blackbird_spatial_filter_chroma {
 143         BLACKBIRD_SPATIAL_FILTER_CHROMA_DISABLED,
 144         BLACKBIRD_SPATIAL_FILTER_CHROMA_1D_HORIZ /* default */
 145 };
 146 #define BLACKBIRD_API_SET_3_2_PULLDOWN   0xB1
 147 enum blackbird_pulldown {
 148         BLACKBIRD_3_2_PULLDOWN_DISABLED,
 149         BLACKBIRD_3_2_PULLDOWN_ENABLED
 150 };
 151 #define BLACKBIRD_API_SET_VBI_LINE_NO    0xB7
 152 enum blackbird_vbi_line_bits {
 153         BLACKBIRD_VBI_LINE_BITS_TOP_FIELD,
 154         BLACKBIRD_VBI_LINE_BITS_BOT_FIELD = (1 << 31),
 155         BLACKBIRD_VBI_LINE_BITS_ALL_LINES = 0xFFFFFFFF
 156 };
 157 enum blackbird_vbi_line {
 158         BLACKBIRD_VBI_LINE_DISABLED,
 159         BLACKBIRD_VBI_LINE_ENABLED
 160 };
 161 enum blackbird_vbi_slicing {
 162         BLACKBIRD_VBI_SLICING_NONE,
 163         BLACKBIRD_VBI_SLICING_CLOSED_CAPTION
 164 };
 165 #define BLACKBIRD_API_SET_STREAM_TYPE    0xB9
 166 enum blackbird_stream_type {
 167         BLACKBIRD_STREAM_PROGRAM,
 168         BLACKBIRD_STREAM_TRANSPORT,
 169         BLACKBIRD_STREAM_MPEG1,
 170         BLACKBIRD_STREAM_PES_AV,
 171         BLACKBIRD_STREAM_UNKNOWN4,
 172         BLACKBIRD_STREAM_PES_VIDEO,
 173         BLACKBIRD_STREAM_UNKNOWN6,
 174         BLACKBIRD_STREAM_PES_AUDIO,
 175         BLACKBIRD_STREAM_UNKNOWN8,
 176         BLACKBIRD_STREAM_UNKNOWN9, /* audio/pcm ? */
 177         BLACKBIRD_STREAM_DVD,
 178         BLACKBIRD_STREAM_VCD,
 179         BLACKBIRD_STREAM_UNKNOWN12 /* svcd/xvcd ? */
 180 };
 181 #define BLACKBIRD_API_SET_OUTPUT_PORT    0xBB
 182 enum blackbird_stream_port {
 183         BLACKBIRD_OUTPUT_PORT_MEMORY,
 184         BLACKBIRD_OUTPUT_PORT_STREAMING,
 185         BLACKBIRD_OUTPUT_PORT_SERIAL
 186 };
 187 #define BLACKBIRD_API_SET_AUDIO_PARAMS   0xBD
 188 enum blackbird_audio_bits_sample_rate {
 189         BLACKBIRD_AUDIO_BITS_44100HZ,
 190         BLACKBIRD_AUDIO_BITS_48000HZ,
 191         BLACKBIRD_AUDIO_BITS_32000HZ,
 192         BLACKBIRD_AUDIO_BITS_RESERVED_HZ,
 193 };
 194 enum blackbird_audio_bits_encoding {
 195         BLACKBIRD_AUDIO_BITS_LAYER_1 = 0x1 << 2,
 196         BLACKBIRD_AUDIO_BITS_LAYER_2 = 0x2 << 2,
 197 };
 198 enum blackbird_audio_bits_bitrate_layer_1 {
 199         BLACKBIRD_AUDIO_BITS_LAYER_1_FREE_FORMAT,
 200         BLACKBIRD_AUDIO_BITS_LAYER_1_32  = 0x01 << 4,
 201         BLACKBIRD_AUDIO_BITS_LAYER_1_64  = 0x02 << 4,
 202         BLACKBIRD_AUDIO_BITS_LAYER_1_96  = 0x03 << 4,
 203         BLACKBIRD_AUDIO_BITS_LAYER_1_128 = 0x04 << 4,
 204         BLACKBIRD_AUDIO_BITS_LAYER_1_160 = 0x05 << 4,
 205         BLACKBIRD_AUDIO_BITS_LAYER_1_192 = 0x06 << 4,
 206         BLACKBIRD_AUDIO_BITS_LAYER_1_224 = 0x07 << 4,
 207         BLACKBIRD_AUDIO_BITS_LAYER_1_256 = 0x08 << 4,
 208         BLACKBIRD_AUDIO_BITS_LAYER_1_288 = 0x09 << 4,
 209         BLACKBIRD_AUDIO_BITS_LAYER_1_320 = 0x0A << 4,
 210         BLACKBIRD_AUDIO_BITS_LAYER_1_352 = 0x0B << 4,
 211         BLACKBIRD_AUDIO_BITS_LAYER_1_384 = 0x0C << 4,
 212         BLACKBIRD_AUDIO_BITS_LAYER_1_416 = 0x0D << 4,
 213         BLACKBIRD_AUDIO_BITS_LAYER_1_448 = 0x0E << 4,
 214 };
 215 enum blackbird_audio_bits_bitrate_layer_2 {
 216         BLACKBIRD_AUDIO_BITS_LAYER_2_FREE_FORMAT,
 217         BLACKBIRD_AUDIO_BITS_LAYER_2_32  = 0x01 << 4,
 218         BLACKBIRD_AUDIO_BITS_LAYER_2_48  = 0x02 << 4,
 219         BLACKBIRD_AUDIO_BITS_LAYER_2_56  = 0x03 << 4,
 220         BLACKBIRD_AUDIO_BITS_LAYER_2_64  = 0x04 << 4,
 221         BLACKBIRD_AUDIO_BITS_LAYER_2_80  = 0x05 << 4,
 222         BLACKBIRD_AUDIO_BITS_LAYER_2_96  = 0x06 << 4,
 223         BLACKBIRD_AUDIO_BITS_LAYER_2_112 = 0x07 << 4,
 224         BLACKBIRD_AUDIO_BITS_LAYER_2_128 = 0x08 << 4,
 225         BLACKBIRD_AUDIO_BITS_LAYER_2_160 = 0x09 << 4,
 226         BLACKBIRD_AUDIO_BITS_LAYER_2_192 = 0x0A << 4,
 227         BLACKBIRD_AUDIO_BITS_LAYER_2_224 = 0x0B << 4,
 228         BLACKBIRD_AUDIO_BITS_LAYER_2_256 = 0x0C << 4,
 229         BLACKBIRD_AUDIO_BITS_LAYER_2_320 = 0x0D << 4,
 230         BLACKBIRD_AUDIO_BITS_LAYER_2_384 = 0x0E << 4,
 231 };
 232 enum blackbird_audio_bits_mode {
 233         BLACKBIRD_AUDIO_BITS_STEREO,
 234         BLACKBIRD_AUDIO_BITS_JOINT_STEREO = 0x1 << 8,
 235         BLACKBIRD_AUDIO_BITS_DUAL         = 0x2 << 8,
 236         BLACKBIRD_AUDIO_BITS_MONO         = 0x3 << 8,
 237 };
 238 enum blackbird_audio_bits_mode_extension {
 239         BLACKBIRD_AUDIO_BITS_BOUND_4,
 240         BLACKBIRD_AUDIO_BITS_BOUND_8  = 0x1 << 10,
 241         BLACKBIRD_AUDIO_BITS_BOUND_12 = 0x2 << 10,
 242         BLACKBIRD_AUDIO_BITS_BOUND_16 = 0x3 << 10,
 243 };
 244 enum blackbird_audio_bits_emphasis {
 245         BLACKBIRD_AUDIO_BITS_EMPHASIS_NONE,
 246         BLACKBIRD_AUDIO_BITS_EMPHASIS_50_15     = 0x1 << 12,
 247         BLACKBIRD_AUDIO_BITS_EMPHASIS_RESERVED  = 0x2 << 12,
 248         BLACKBIRD_AUDIO_BITS_EMPHASIS_CCITT_J17 = 0x3 << 12,
 249 };
 250 enum blackbird_audio_bits_crc {
 251         BLACKBIRD_AUDIO_BITS_CRC_OFF,
 252         BLACKBIRD_AUDIO_BITS_CRC_ON = 0x1 << 14,
 253 };
 254 enum blackbird_audio_bits_copyright {
 255         BLACKBIRD_AUDIO_BITS_COPYRIGHT_OFF,
 256         BLACKBIRD_AUDIO_BITS_COPYRIGHT_ON = 0x1 << 15,
 257 };
 258 enum blackbird_audio_bits_original {
 259         BLACKBIRD_AUDIO_BITS_COPY,
 260         BLACKBIRD_AUDIO_BITS_ORIGINAL = 0x1 << 16,
 261 };
 262 #define BLACKBIRD_API_HALT               0xC3
 263 #define BLACKBIRD_API_GET_VERSION        0xC4
 264 #define BLACKBIRD_API_SET_GOP_CLOSURE    0xC5
 265 enum blackbird_gop_closure {
 266         BLACKBIRD_GOP_CLOSURE_OFF,
 267         BLACKBIRD_GOP_CLOSURE_ON,
 268 };
 269 #define BLACKBIRD_API_DATA_XFER_STATUS   0xC6
 270 enum blackbird_data_xfer_status {
 271         BLACKBIRD_MORE_BUFFERS_FOLLOW,
 272         BLACKBIRD_LAST_BUFFER,
 273 };
 274 #define BLACKBIRD_API_PROGRAM_INDEX_INFO 0xC7
 275 enum blackbird_picture_mask {
 276         BLACKBIRD_PICTURE_MASK_NONE,
 277         BLACKBIRD_PICTURE_MASK_I_FRAMES,
 278         BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
 279         BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
 280 };
 281 #define BLACKBIRD_API_SET_VBI_PARAMS     0xC8
 282 enum blackbird_vbi_mode_bits {
 283         BLACKBIRD_VBI_BITS_SLICED,
 284         BLACKBIRD_VBI_BITS_RAW,
 285 };
 286 enum blackbird_vbi_insertion_bits {
 287         BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 288         BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 289         BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 290         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 291         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 292 };
 293 #define BLACKBIRD_API_SET_DMA_BLOCK_SIZE 0xC9
 294 enum blackbird_dma_unit {
 295         BLACKBIRD_DMA_BYTES,
 296         BLACKBIRD_DMA_FRAMES,
 297 };
 298 #define BLACKBIRD_API_DMA_TRANSFER_INFO  0xCA
 299 #define BLACKBIRD_API_DMA_TRANSFER_STAT  0xCB
 300 enum blackbird_dma_transfer_status_bits {
 301         BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
 302         BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
 303         BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 304 };
 305 #define BLACKBIRD_API_SET_DMA2HOST_ADDR  0xCC
 306 #define BLACKBIRD_API_INIT_VIDEO_INPUT   0xCD
 307 #define BLACKBIRD_API_SET_FRAMESKIP      0xD0
 308 #define BLACKBIRD_API_PAUSE              0xD2
 309 enum blackbird_pause {
 310         BLACKBIRD_PAUSE_ENCODING,
 311         BLACKBIRD_RESUME_ENCODING,
 312 };
 313 #define BLACKBIRD_API_REFRESH_INPUT      0xD3
 314 #define BLACKBIRD_API_SET_COPYRIGHT      0xD4
 315 enum blackbird_copyright {
 316         BLACKBIRD_COPYRIGHT_OFF,
 317         BLACKBIRD_COPYRIGHT_ON,
 318 };
 319 #define BLACKBIRD_API_SET_NOTIFICATION   0xD5
 320 enum blackbird_notification_type {
 321         BLACKBIRD_NOTIFICATION_REFRESH,
 322 };
 323 enum blackbird_notification_status {
 324         BLACKBIRD_NOTIFICATION_OFF,
 325         BLACKBIRD_NOTIFICATION_ON,
 326 };
 327 enum blackbird_notification_mailbox {
 328         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 329 };
 330 #define BLACKBIRD_API_SET_CAPTURE_LINES  0xD6
 331 enum blackbird_field1_lines {
 332         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 333         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 334         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 335 };
 336 enum blackbird_field2_lines {
 337         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 338         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 339         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 340 };
 341 #define BLACKBIRD_API_SET_CUSTOM_DATA    0xD7
 342 enum blackbird_custom_data_type {
 343         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 344         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 345 };
 346 #define BLACKBIRD_API_MUTE_VIDEO         0xD9
 347 enum blackbird_mute {
 348         BLACKBIRD_UNMUTE,
 349         BLACKBIRD_MUTE,
 350 };
 351 enum blackbird_mute_video_mask {
 352         BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
 353         BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
 354         BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
 355 };
 356 enum blackbird_mute_video_shift {
 357         BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
 358         BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
 359         BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
 360 };
 361 #define BLACKBIRD_API_MUTE_AUDIO         0xDA
 362
 363 /* Registers */
 364 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
 365 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
 366 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
 367 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
 368 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
 369 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
 370
 371 /* ------------------------------------------------------------------ */
 372
 373 static void host_setup(struct cx88_core *core)
 374 {
 375         /* toggle reset of the host */
 376         cx_write(MO_GPHST_SOFT_RST, 1);
 377         udelay(100);
 378         cx_write(MO_GPHST_SOFT_RST, 0);
 379         udelay(100);
 380
 381         /* host port setup */
 382         cx_write(MO_GPHST_WSC, 0x44444444U);
 383         cx_write(MO_GPHST_XFR, 0);
 384         cx_write(MO_GPHST_WDTH, 15);
 385         cx_write(MO_GPHST_HDSHK, 0);
 386         cx_write(MO_GPHST_MUX16, 0x44448888U);
 387         cx_write(MO_GPHST_MODE, 0);
 388 }
 389
 390 /* ------------------------------------------------------------------ */
 391
 392 #define P1_MDATA0 0x390000
 393 #define P1_MDATA1 0x390001
 394 #define P1_MDATA2 0x390002
 395 #define P1_MDATA3 0x390003
 396 #define P1_MADDR2 0x390004
 397 #define P1_MADDR1 0x390005
 398 #define P1_MADDR0 0x390006
 399 #define P1_RDATA0 0x390008
 400 #define P1_RDATA1 0x390009
 401 #define P1_RDATA2 0x39000A
 402 #define P1_RDATA3 0x39000B
 403 #define P1_RADDR0 0x39000C
 404 #define P1_RADDR1 0x39000D
 405 #define P1_RRDWR  0x39000E
 406
 407 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 408 {
 409         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 410         u32 gpio0,need;
 411
 412         need = state ? 2 : 0;
 413         for (;;) {
 414                 gpio0 = cx_read(MO_GP0_IO) & 2;
 415                 if (need == gpio0)
 416                         return 0;
 417                 if (time_after(jiffies,timeout))
 418                         return -1;
 419                 udelay(1);
 420         }
 421 }
 422
 423 static int memory_write(struct cx88_core *core, u32 address, u32 value)
 424 {
 425         /* Warning: address is dword address (4 bytes) */
 426         cx_writeb(P1_MDATA0, (unsigned int)value);
 427         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
 428         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
 429         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
 430         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
 431         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 432         cx_writeb(P1_MADDR0, (unsigned int)address);
 433         cx_read(P1_MDATA0);
 434         cx_read(P1_MADDR0);
 435
 436         return wait_ready_gpio0_bit1(core,1);
 437 }
 438
 439 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 440 {
 441         int retval;
 442         u32 val;
 443
 444         /* Warning: address is dword address (4 bytes) */
 445         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
 446         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 447         cx_writeb(P1_MADDR0, (unsigned int)address);
 448         cx_read(P1_MADDR0);
 449
 450         retval = wait_ready_gpio0_bit1(core,1);
 451
 452         cx_writeb(P1_MDATA3, 0);
 453         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
 454         cx_writeb(P1_MDATA2, 0);
 455         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
 456         cx_writeb(P1_MDATA1, 0);
 457         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
 458         cx_writeb(P1_MDATA0, 0);
 459         val    |= (unsigned char)cx_read(P1_MDATA0);
 460
 461         *value  = val;
 462         return retval;
 463 }
 464
 465 static int register_write(struct cx88_core *core, u32 address, u32 value)
 466 {
 467         cx_writeb(P1_RDATA0, (unsigned int)value);
 468         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
 469         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
 470         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
 471         cx_writeb(P1_RADDR0, (unsigned int)address);
 472         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 473         cx_writeb(P1_RRDWR, 1);
 474         cx_read(P1_RDATA0);
 475         cx_read(P1_RADDR0);
 476
 477         return wait_ready_gpio0_bit1(core,1);
 478 }
 479
 480
 481 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 482 {
 483         int retval;
 484         u32 val;
 485
 486         cx_writeb(P1_RADDR0, (unsigned int)address);
 487         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 488         cx_writeb(P1_RRDWR, 0);
 489         cx_read(P1_RADDR0);
 490
 491         retval  = wait_ready_gpio0_bit1(core,1);
 492         val     = (unsigned char)cx_read(P1_RDATA0);
 493         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 494         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
 495         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
 496
 497         *value  = val;
 498         return retval;
 499 }
 500
 501 /* ------------------------------------------------------------------ */
 502
 503 /* We don't need to call the API often, so using just one mailbox will probably suffice */
 504 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 505                              u32 inputcnt, u32 outputcnt, ...)
 506 {
 507         unsigned long timeout;
 508         u32 value, flag, retval;
 509         int i;
 510         va_list args;
 511         va_start(args, outputcnt);
 512
 513         dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
 514
 515         /* this may not be 100% safe if we can't read any memory location
 516            without side effects */
 517         memory_read(dev->core, dev->mailbox - 4, &value);
 518         if (value != 0x12345678) {
 519                 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
 520                 return -1;
 521         }
 522
 523         memory_read(dev->core, dev->mailbox, &flag);
 524         if (flag) {
 525                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 526                 return -1;
 527         }
 528
 529         flag |= 1; /* tell 'em we're working on it */
 530         memory_write(dev->core, dev->mailbox, flag);
 531
 532         /* write command + args + fill remaining with zeros */
 533         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 534         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
 535         for (i = 0; i < inputcnt ; i++) {
 536                 value = va_arg(args, int);
 537                 memory_write(dev->core, dev->mailbox + 4 + i, value);
 538                 dprintk(1, "API Input %d = %d\n", i, value);
 539         }
 540         for (; i < 16 ; i++)
 541                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
 542
 543         flag |= 3; /* tell 'em we're done writing */
 544         memory_write(dev->core, dev->mailbox, flag);
 545
 546         /* wait for firmware to handle the API command */
 547         timeout = jiffies + msecs_to_jiffies(10);
 548         for (;;) {
 549                 memory_read(dev->core, dev->mailbox, &flag);
 550                 if (0 != (flag & 4))
 551                         break;
 552                 if (time_after(jiffies,timeout)) {
 553                         dprintk(0, "ERROR: API Mailbox timeout\n");
 554                         return -1;
 555                 }
 556                 udelay(10);
 557         }
 558
 559         /* read output values */
 560         for (i = 0; i < outputcnt ; i++) {
 561                 int *vptr = va_arg(args, int *);
 562                 memory_read(dev->core, dev->mailbox + 4 + i, vptr);
 563                 dprintk(1, "API Output %d = %d\n", i, *vptr);
 564         }
 565         va_end(args);
 566
 567         memory_read(dev->core, dev->mailbox + 2, &retval);
 568         dprintk(1, "API result = %d\n",retval);
 569
 570         flag = 0;
 571         memory_write(dev->core, dev->mailbox, flag);
 572         return retval;
 573 }
 574
 575
 576 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 577 {
 578         u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
 579         int signaturecnt=0;
 580         u32 value;
 581         int i;
 582
 583         for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 584                 memory_read(dev->core, i, &value);
 585                 if (value == signature[signaturecnt])
 586                         signaturecnt++;
 587                 else
 588                         signaturecnt = 0;
 589                 if (4 == signaturecnt) {
 590                         dprintk(1, "Mailbox signature found\n");
 591                         return i+1;
 592                 }
 593         }
 594         dprintk(0, "Mailbox signature values not found!\n");
 595         return -1;
 596 }
 597
 598 static int blackbird_load_firmware(struct cx8802_dev *dev)
 599 {
 600         static const unsigned char magic[8] = {
 601                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 602         };
 603         const struct firmware *firmware;
 604         int i, retval = 0;
 605         u32 value = 0;
 606         u32 checksum = 0;
 607         u32 *dataptr;
 608
 609         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 610         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 611         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
 612         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 613         msleep(1);
 614         retval |= register_write(dev->core, IVTV_REG_APU, 0);
 615
 616         if (retval < 0)
 617                 dprintk(0, "Error with register_write\n");
 618
 619         retval = request_firmware(&firmware, BLACKBIRD_FIRM_ENC_FILENAME,
 620                                   &dev->pci->dev);
 621         if (retval != 0) {
 622                 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
 623                         BLACKBIRD_FIRM_ENC_FILENAME);
 624                 dprintk(0, "Please fix your hotplug setup, the board will "
 625                         "not work without firmware loaded!\n");
 626                 return -1;
 627         }
 628
 629         if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 630                 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
 631                         firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 632                 return -1;
 633         }
 634
 635         if (0 != memcmp(firmware->data, magic, 8)) {
 636                 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
 637                 return -1;
 638         }
 639
 640         /* transfer to the chip */
 641         dprintk(1,"Loading firmware ...\n");
 642         dataptr = (u32*)firmware->data;
 643         for (i = 0; i < (firmware->size >> 2); i++) {
 644                 value = *dataptr;
 645                 checksum += ~value;
 646                 memory_write(dev->core, i, value);
 647                 dataptr++;
 648         }
 649
 650         /* read back to verify with the checksum */
 651         for (i--; i >= 0; i--) {
 652                 memory_read(dev->core, i, &value);
 653                 checksum -= ~value;
 654         }
 655         if (checksum) {
 656                 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
 657                 return -1;
 658         }
 659         release_firmware(firmware);
 660         dprintk(0, "Firmware upload successful.\n");
 661
 662         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 663         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 664         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 665         msleep(1);
 666
 667         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 668         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 669
 670         if (retval < 0)
 671                 dprintk(0, "Error with register_write\n");
 672         return 0;
 673 }
 674
 675 /**
 676  Settings used by the windows tv app for PVR2000:
 677 =================================================================================================================
 678 Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 679 -----------------------------------------------------------------------------------------------------------------
 680 MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 681 MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 682 VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 683 DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 684 DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 685 =================================================================================================================
 686 *DB: "DirectBurn"
 687 */
 688 static void blackbird_codec_settings(struct cx8802_dev *dev)
 689 {
 690         int bitrate_mode = 1;
 691         int bitrate = 7500000;
 692         int bitrate_peak = 7500000;
 693         bitrate_mode = BLACKBIRD_VIDEO_CBR;
 694         bitrate = 4000*1024;
 695         bitrate_peak = 4000*1024;
 696
 697         /* assign stream type */
 698         blackbird_api_cmd(dev, BLACKBIRD_API_SET_STREAM_TYPE, 1, 0, BLACKBIRD_STREAM_PROGRAM);
 699         /* blackbird_api_cmd(dev, BLACKBIRD_API_SET_STREAM_TYPE, 1, 0, BLACKBIRD_STREAM_TRANSPORT); */
 700
 701         /* assign output port */
 702         blackbird_api_cmd(dev, BLACKBIRD_API_SET_OUTPUT_PORT, 1, 0, BLACKBIRD_OUTPUT_PORT_STREAMING); /* Host */
 703
 704         /* assign framerate */
 705         blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_PAL_25);
 706
 707         /* assign frame size */
 708         blackbird_api_cmd(dev, BLACKBIRD_API_SET_RESOLUTION, 2, 0,
 709                           dev->height, dev->width);
 710
 711         /* assign aspect ratio */
 712         blackbird_api_cmd(dev, BLACKBIRD_API_SET_ASPECT_RATIO, 1, 0, BLACKBIRD_ASPECT_RATIO_4_3);
 713
 714         /* assign bitrates */
 715         blackbird_api_cmd(dev, BLACKBIRD_API_SET_VIDEO_BITRATE, 5, 0,
 716                          bitrate_mode,         /* mode */
 717                          bitrate,              /* bps */
 718                          bitrate_peak / BLACKBIRD_PEAK_RATE_DIVISOR,   /* peak/400 */
 719                          BLACKBIRD_MUX_RATE_DEFAULT /*, 0x70*/);             /* encoding buffer, ckennedy */
 720
 721         /* assign gop properties */
 722         blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_STRUCTURE, 2, 0, 15, 3);
 723
 724         /* assign 3 2 pulldown */
 725         blackbird_api_cmd(dev, BLACKBIRD_API_SET_3_2_PULLDOWN, 1, 0, BLACKBIRD_3_2_PULLDOWN_DISABLED);
 726
 727         /* assign audio properties */
 728         /* note: it's not necessary to set the samplerate, the mpeg encoder seems to autodetect/adjust */
 729         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, (2<<2) | (8<<4));
 730            blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, 0 | (2 << 2) | (14 << 4)); */
 731         blackbird_api_cmd(dev, BLACKBIRD_API_SET_AUDIO_PARAMS, 1, 0,
 732                         BLACKBIRD_AUDIO_BITS_44100HZ |
 733                         BLACKBIRD_AUDIO_BITS_LAYER_2 |
 734                         BLACKBIRD_AUDIO_BITS_LAYER_2_224 |
 735                         BLACKBIRD_AUDIO_BITS_STEREO |
 736                         /* BLACKBIRD_AUDIO_BITS_BOUND_4 | */
 737                         BLACKBIRD_AUDIO_BITS_EMPHASIS_NONE |
 738                         BLACKBIRD_AUDIO_BITS_CRC_OFF |
 739                         BLACKBIRD_AUDIO_BITS_COPYRIGHT_OFF |
 740                         BLACKBIRD_AUDIO_BITS_COPY
 741                 );
 742
 743         /* assign gop closure */
 744         blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_CLOSURE, 1, 0, BLACKBIRD_GOP_CLOSURE_OFF);
 745
 746
 747         /* assign dnr filter mode */
 748         blackbird_api_cmd(dev, BLACKBIRD_API_SET_DNR_MODE, 2, 0,
 749                         BLACKBIRD_DNR_BITS_MANUAL,
 750                         BLACKBIRD_MEDIAN_FILTER_DISABLED
 751                 );
 752
 753         /* assign dnr filter props*/
 754         blackbird_api_cmd(dev, BLACKBIRD_API_SET_MANUAL_DNR, 2, 0, 0, 0);
 755
 756         /* assign coring levels (luma_h, luma_l, chroma_h, chroma_l) */
 757         blackbird_api_cmd(dev, BLACKBIRD_API_SET_DNR_MEDIAN, 4, 0, 0, 255, 0, 255);
 758
 759         /* assign spatial filter type: luma_t: horiz_only, chroma_t: horiz_only */
 760         blackbird_api_cmd(dev, BLACKBIRD_API_SET_SPATIAL_FILTER, 2, 0,
 761                         BLACKBIRD_SPATIAL_FILTER_LUMA_1D_HORIZ,
 762                         BLACKBIRD_SPATIAL_FILTER_CHROMA_1D_HORIZ
 763                 );
 764
 765         /* assign frame drop rate */
 766         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAME_DROP_RATE, 1, 0, 0); */
 767 }
 768
 769 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 770 {
 771         struct cx88_core *core = dev->core;
 772         int version;
 773         int retval;
 774
 775         dprintk(1,"Initialize codec\n");
 776         retval = blackbird_api_cmd(dev, BLACKBIRD_API_PING, 0, 0); /* ping */
 777         if (retval < 0) {
 778                 /* ping was not successful, reset and upload firmware */
 779                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 780                 msleep(1);
 781                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 782                 msleep(1);
 783                 retval = blackbird_load_firmware(dev);
 784                 if (retval < 0)
 785                         return retval;
 786
 787                 dev->mailbox = blackbird_find_mailbox(dev);
 788                 if (dev->mailbox < 0)
 789                         return -1;
 790
 791                 retval = blackbird_api_cmd(dev, BLACKBIRD_API_PING, 0, 0); /* ping */
 792                 if (retval < 0) {
 793                         dprintk(0, "ERROR: Firmware ping failed!\n");
 794                         return -1;
 795                 }
 796
 797                 retval = blackbird_api_cmd(dev, BLACKBIRD_API_GET_VERSION, 0, 1, &version);
 798                 if (retval < 0) {
 799                         dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 800                         return -1;
 801                 }
 802                 dprintk(0, "Firmware version is 0x%08x\n", version);
 803         }
 804         msleep(1);
 805
 806         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 807         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 808         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 809         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 810
 811         blackbird_codec_settings(dev);
 812         msleep(1);
 813
 814         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
 815            blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
 816            blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
 817         blackbird_api_cmd(dev, BLACKBIRD_API_SET_CAPTURE_LINES, 2, 0,
 818                         BLACKBIRD_FIELD1_SAA7115,
 819                         BLACKBIRD_FIELD1_SAA7115
 820                 );
 821
 822         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
 823         blackbird_api_cmd(dev, BLACKBIRD_API_SET_CUSTOM_DATA, 12, 0,
 824                         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 825                         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 826
 827         blackbird_api_cmd(dev, BLACKBIRD_API_INIT_VIDEO_INPUT, 0, 0); /* initialize the video input */
 828
 829         msleep(1);
 830
 831         blackbird_api_cmd(dev, BLACKBIRD_API_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
 832         msleep(1);
 833         blackbird_api_cmd(dev, BLACKBIRD_API_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
 834         msleep(1);
 835
 836         /* blackbird_api_cmd(dev, BLACKBIRD_API_BEGIN_CAPTURE, 2, 0, 0, 0x13); // start capturing to the host interface */
 837         blackbird_api_cmd(dev, BLACKBIRD_API_BEGIN_CAPTURE, 2, 0,
 838                         BLACKBIRD_MPEG_CAPTURE,
 839                         BLACKBIRD_RAW_BITS_NONE
 840                 ); /* start capturing to the host interface */
 841         msleep(10);
 842
 843         blackbird_api_cmd(dev, BLACKBIRD_API_REFRESH_INPUT, 0,0);
 844         return 0;
 845 }
 846
 847 /* ------------------------------------------------------------------ */
 848
 849 static int bb_buf_setup(struct videobuf_queue *q,
 850                         unsigned int *count, unsigned int *size)
 851 {
 852         struct cx8802_fh *fh = q->priv_data;
 853
 854         fh->dev->ts_packet_size  = 512;
 855         fh->dev->ts_packet_count = 100;
 856
 857         *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
 858         if (0 == *count)
 859                 *count = mpegbufs;
 860         if (*count < 2)
 861                 *count = 2;
 862         if (*count > 32)
 863                 *count = 32;
 864         return 0;
 865 }
 866
 867 static int
 868 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 869                enum v4l2_field field)
 870 {
 871         struct cx8802_fh *fh = q->priv_data;
 872         return cx8802_buf_prepare(fh->dev, (struct cx88_buffer*)vb);
 873 }
 874
 875 static void
 876 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 877 {
 878         struct cx8802_fh *fh = q->priv_data;
 879         cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
 880 }
 881
 882 static void
 883 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 884 {
 885         struct cx8802_fh *fh = q->priv_data;
 886         cx88_free_buffer(fh->dev->pci, (struct cx88_buffer*)vb);
 887 }
 888
 889 static struct videobuf_queue_ops blackbird_qops = {
 890         .buf_setup    = bb_buf_setup,
 891         .buf_prepare  = bb_buf_prepare,
 892         .buf_queue    = bb_buf_queue,
 893         .buf_release  = bb_buf_release,
 894 };
 895
 896 /* ------------------------------------------------------------------ */
 897
 898 static int mpeg_do_ioctl(struct inode *inode, struct file *file,
 899                          unsigned int cmd, void *arg)
 900 {
 901         struct cx8802_fh  *fh  = file->private_data;
 902         struct cx8802_dev *dev = fh->dev;
 903
 904         if (debug > 1)
 905                 cx88_print_ioctl(dev->core->name,cmd);
 906
 907         switch (cmd) {
 908
 909         /* --- capture ioctls ---------------------------------------- */
 910         case VIDIOC_ENUM_FMT:
 911         {
 912                 struct v4l2_fmtdesc *f = arg;
 913                 int index;
 914
 915                 index = f->index;
 916                 if (index != 0)
 917                         return -EINVAL;
 918
 919                 memset(f,0,sizeof(*f));
 920                 f->index = index;
 921                 strlcpy(f->description, "MPEG TS", sizeof(f->description));
 922                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 923                 f->pixelformat = V4L2_PIX_FMT_MPEG;
 924                 return 0;
 925         }
 926         case VIDIOC_G_FMT:
 927         case VIDIOC_S_FMT:
 928         case VIDIOC_TRY_FMT:
 929         {
 930                 /* FIXME -- quick'n'dirty for exactly one size ... */
 931                 struct v4l2_format *f = arg;
 932
 933                 memset(f,0,sizeof(*f));
 934                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 935                 f->fmt.pix.width        = dev->width;
 936                 f->fmt.pix.height       = dev->height;
 937                 f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 938                 f->fmt.pix.sizeimage    = 1024 * 512 /* FIXME: BUFFER_SIZE */;
 939         }
 940
 941         /* --- streaming capture ------------------------------------- */
 942         case VIDIOC_REQBUFS:
 943                 return videobuf_reqbufs(&fh->mpegq, arg);
 944
 945         case VIDIOC_QUERYBUF:
 946                 return videobuf_querybuf(&fh->mpegq, arg);
 947
 948         case VIDIOC_QBUF:
 949                 return videobuf_qbuf(&fh->mpegq, arg);
 950
 951         case VIDIOC_DQBUF:
 952                 return videobuf_dqbuf(&fh->mpegq, arg,
 953                                       file->f_flags & O_NONBLOCK);
 954
 955         case VIDIOC_STREAMON:
 956                 return videobuf_streamon(&fh->mpegq);
 957
 958         case VIDIOC_STREAMOFF:
 959                 return videobuf_streamoff(&fh->mpegq);
 960
 961         default:
 962                 return -EINVAL;
 963         }
 964         return 0;
 965 }
 966
 967 static int mpeg_ioctl(struct inode *inode, struct file *file,
 968                        unsigned int cmd, unsigned long arg)
 969 {
 970         return video_usercopy(inode, file, cmd, arg, mpeg_do_ioctl);
 971 }
 972
 973 static int mpeg_open(struct inode *inode, struct file *file)
 974 {
 975         int minor = iminor(inode);
 976         struct cx8802_dev *h,*dev = NULL;
 977         struct cx8802_fh *fh;
 978         struct list_head *list;
 979
 980         list_for_each(list,&cx8802_devlist) {
 981                 h = list_entry(list, struct cx8802_dev, devlist);
 982                 if (h->mpeg_dev->minor == minor)
 983                         dev = h;
 984         }
 985         if (NULL == dev)
 986                 return -ENODEV;
 987
 988         if (blackbird_initialize_codec(dev) < 0)
 989                 return -EINVAL;
 990         dprintk(1,"open minor=%d\n",minor);
 991
 992         /* allocate + initialize per filehandle data */
 993         fh = kmalloc(sizeof(*fh),GFP_KERNEL);
 994         if (NULL == fh)
 995                 return -ENOMEM;
 996         memset(fh,0,sizeof(*fh));
 997         file->private_data = fh;
 998         fh->dev      = dev;
 999
1000         /* FIXME: locking against other video device */
1001         cx88_set_scale(dev->core, dev->width, dev->height,
1002                        V4L2_FIELD_INTERLACED);
1003
1004         videobuf_queue_init(&fh->mpegq, &blackbird_qops,
1005                             dev->pci, &dev->slock,
1006                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1007                             V4L2_FIELD_TOP,
1008                             sizeof(struct cx88_buffer),
1009                             fh);
1010         return 0;
1011 }
1012
1013 static int mpeg_release(struct inode *inode, struct file *file)
1014 {
1015         struct cx8802_fh  *fh  = file->private_data;
1016
1017         /* blackbird_api_cmd(fh->dev, BLACKBIRD_API_END_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
1018         blackbird_api_cmd(fh->dev, BLACKBIRD_API_END_CAPTURE, 3, 0,
1019                         BLACKBIRD_END_NOW,
1020                         BLACKBIRD_MPEG_CAPTURE,
1021                         BLACKBIRD_RAW_BITS_NONE
1022                 );
1023
1024         /* stop mpeg capture */
1025         if (fh->mpegq.streaming)
1026                 videobuf_streamoff(&fh->mpegq);
1027         if (fh->mpegq.reading)
1028                 videobuf_read_stop(&fh->mpegq);
1029
1030         videobuf_mmap_free(&fh->mpegq);
1031         file->private_data = NULL;
1032         kfree(fh);
1033         return 0;
1034 }
1035
1036 static ssize_t
1037 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1038 {
1039         struct cx8802_fh *fh = file->private_data;
1040
1041         return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1042                                     file->f_flags & O_NONBLOCK);
1043 }
1044
1045 static unsigned int
1046 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1047 {
1048         struct cx8802_fh *fh = file->private_data;
1049
1050         return videobuf_poll_stream(file, &fh->mpegq, wait);
1051 }
1052
1053 static int
1054 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1055 {
1056         struct cx8802_fh *fh = file->private_data;
1057
1058         return videobuf_mmap_mapper(&fh->mpegq, vma);
1059 }
1060
1061 static struct file_operations mpeg_fops =
1062 {
1063         .owner         = THIS_MODULE,
1064         .open          = mpeg_open,
1065         .release       = mpeg_release,
1066         .read          = mpeg_read,
1067         .poll          = mpeg_poll,
1068         .mmap          = mpeg_mmap,
1069         .ioctl         = mpeg_ioctl,
1070         .llseek        = no_llseek,
1071 };
1072
1073 static struct video_device cx8802_mpeg_template =
1074 {
1075         .name          = "cx8802",
1076         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
1077         .hardware      = 0,
1078         .fops          = &mpeg_fops,
1079         .minor         = -1,
1080 };
1081
1082 /* ------------------------------------------------------------------ */
1083
1084 static void blackbird_unregister_video(struct cx8802_dev *dev)
1085 {
1086         if (dev->mpeg_dev) {
1087                 if (-1 != dev->mpeg_dev->minor)
1088                         video_unregister_device(dev->mpeg_dev);
1089                 else
1090                         video_device_release(dev->mpeg_dev);
1091                 dev->mpeg_dev = NULL;
1092         }
1093 }
1094
1095 static int blackbird_register_video(struct cx8802_dev *dev)
1096 {
1097         int err;
1098
1099         dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1100                                        &cx8802_mpeg_template,"mpeg");
1101         err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1102         if (err < 0) {
1103                 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1104                        dev->core->name);
1105                 return err;
1106         }
1107         printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1108                dev->core->name,dev->mpeg_dev->minor & 0x1f);
1109         return 0;
1110 }
1111
1112 /* ----------------------------------------------------------- */
1113
1114 static int __devinit blackbird_probe(struct pci_dev *pci_dev,
1115                                      const struct pci_device_id *pci_id)
1116 {
1117         struct cx8802_dev *dev;
1118         struct cx88_core  *core;
1119         int err;
1120
1121         /* general setup */
1122         core = cx88_core_get(pci_dev);
1123         if (NULL == core)
1124                 return -EINVAL;
1125
1126         err = -ENODEV;
1127         if (!cx88_boards[core->board].blackbird)
1128                 goto fail_core;
1129
1130         err = -ENOMEM;
1131         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
1132         if (NULL == dev)
1133                 goto fail_core;
1134         memset(dev,0,sizeof(*dev));
1135         dev->pci = pci_dev;
1136         dev->core = core;
1137         dev->width = 720;
1138         dev->height = 480;
1139
1140         err = cx8802_init_common(dev);
1141         if (0 != err)
1142                 goto fail_free;
1143
1144         /* blackbird stuff */
1145         printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1146                core->name);
1147         host_setup(dev->core);
1148
1149         list_add_tail(&dev->devlist,&cx8802_devlist);
1150         blackbird_register_video(dev);
1151         return 0;
1152
1153  fail_free:
1154         kfree(dev);
1155  fail_core:
1156         cx88_core_put(core,pci_dev);
1157         return err;
1158 }
1159
1160 static void __devexit blackbird_remove(struct pci_dev *pci_dev)
1161 {
1162         struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
1163
1164         /* blackbird */
1165         blackbird_unregister_video(dev);
1166         list_del(&dev->devlist);
1167
1168         /* common */
1169         cx8802_fini_common(dev);
1170         cx88_core_put(dev->core,dev->pci);
1171         kfree(dev);
1172 }
1173
1174 static struct pci_device_id cx8802_pci_tbl[] = {
1175         {
1176                 .vendor       = 0x14f1,
1177                 .device       = 0x8802,
1178                 .subvendor    = PCI_ANY_ID,
1179                 .subdevice    = PCI_ANY_ID,
1180         },{
1181                 /* --- end of list --- */
1182         }
1183 };
1184 MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
1185
1186 static struct pci_driver blackbird_pci_driver = {
1187         .name     = "cx88-blackbird",
1188         .id_table = cx8802_pci_tbl,
1189         .probe    = blackbird_probe,
1190         .remove   = __devexit_p(blackbird_remove),
1191         .suspend  = cx8802_suspend_common,
1192         .resume   = cx8802_resume_common,
1193 };
1194
1195 static int blackbird_init(void)
1196 {
1197         printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1198                (CX88_VERSION_CODE >> 16) & 0xff,
1199                (CX88_VERSION_CODE >>  8) & 0xff,
1200                CX88_VERSION_CODE & 0xff);
1201 #ifdef SNAPSHOT
1202         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1203                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1204 #endif
1205         return pci_register_driver(&blackbird_pci_driver);
1206 }
1207
1208 static void blackbird_fini(void)
1209 {
1210         pci_unregister_driver(&blackbird_pci_driver);
1211 }
1212
1213 module_init(blackbird_init);
1214 module_exit(blackbird_fini);
1215
1216 /* ----------------------------------------------------------- */
1217 /*
1218  * Local variables:
1219  * c-basic-offset: 8
1220  * End:
1221  * 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
1222  */