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
  34 #include "cx88.h"
  35
  36 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
  37 MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>");
  38 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  39 MODULE_LICENSE("GPL");
  40
  41 static unsigned int mpegbufs = 8;
  42 module_param(mpegbufs,int,0644);
  43 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
  44
  45 static unsigned int debug = 0;
  46 module_param(debug,int,0644);
  47 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
  48
  49 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  50         printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
  51
  52 static LIST_HEAD(cx8802_devlist);
  53
  54 /* ------------------------------------------------------------------ */
  55
  56 #define BLACKBIRD_FIRM_ENC_FILENAME "blackbird-fw-enc.bin"
  57 #define BLACKBIRD_FIRM_IMAGE_SIZE 256*1024
  58
  59 /* defines below are from ivtv-driver.h */
  60
  61 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
  62
  63 /* Firmware API commands */
  64 #define IVTV_API_STD_TIMEOUT 500
  65
  66 #define BLACKBIRD_API_PING               0x80
  67 #define BLACKBIRD_API_BEGIN_CAPTURE      0x81
  68 enum blackbird_capture_type {
  69         BLACKBIRD_MPEG_CAPTURE,
  70         BLACKBIRD_RAW_CAPTURE,
  71         BLACKBIRD_RAW_PASSTHRU_CAPTURE
  72 };
  73 enum blackbird_capture_bits {
  74         BLACKBIRD_RAW_BITS_NONE             = 0x00,
  75         BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
  76         BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
  77         BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
  78         BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
  79         BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
  80 };
  81 #define BLACKBIRD_API_END_CAPTURE        0x82
  82 enum blackbird_capture_end {
  83         BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
  84         BLACKBIRD_END_NOW, /* stop immediately, no irq */
  85 };
  86 #define BLACKBIRD_API_SET_AUDIO_ID       0x89
  87 #define BLACKBIRD_API_SET_VIDEO_ID       0x8B
  88 #define BLACKBIRD_API_SET_PCR_ID         0x8D
  89 #define BLACKBIRD_API_SET_FRAMERATE      0x8F
  90 enum blackbird_framerate {
  91         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
  92         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
  93 };
  94 #define BLACKBIRD_API_SET_RESOLUTION     0x91
  95 #define BLACKBIRD_API_SET_VIDEO_BITRATE  0x95
  96 enum blackbird_video_bitrate_type {
  97         BLACKBIRD_VIDEO_VBR,
  98         BLACKBIRD_VIDEO_CBR
  99 };
 100 #define BLACKBIRD_PEAK_RATE_DIVISOR 400
 101 enum blackbird_mux_rate {
 102         BLACKBIRD_MUX_RATE_DEFAULT,
 103          /* dvd mux rate: multiply by 400 to get the actual rate */
 104         BLACKBIRD_MUX_RATE_DVD = 25200
 105 };
 106 #define BLACKBIRD_API_SET_GOP_STRUCTURE  0x97
 107 #define BLACKBIRD_API_SET_ASPECT_RATIO   0x99
 108 enum blackbird_aspect_ratio {
 109         BLACKBIRD_ASPECT_RATIO_FORBIDDEN,
 110         BLACKBIRD_ASPECT_RATIO_1_1_SQUARE,
 111         BLACKBIRD_ASPECT_RATIO_4_3,
 112         BLACKBIRD_ASPECT_RATIO_16_9,
 113         BLACKBIRD_ASPECT_RATIO_221_100,
 114         BLACKBIRD_ASPECT_RATIO_RESERVED
 115 };
 116 #define BLACKBIRD_API_SET_DNR_MODE       0x9B
 117 enum blackbird_dnr_bits {
 118         BLACKBIRD_DNR_BITS_MANUAL,
 119         BLACKBIRD_DNR_BITS_AUTO_SPATIAL,
 120         BLACKBIRD_DNR_BITS_AUTO_TEMPORAL,
 121         BLACKBIRD_DNR_BITS_AUTO
 122 };
 123 enum blackbird_median_filter {
 124         BLACKBIRD_MEDIAN_FILTER_DISABLED,
 125         BLACKBIRD_MEDIAN_FILTER_HORIZONTAL,
 126         BLACKBIRD_MEDIAN_FILTER_VERTICAL,
 127         BLACKBIRD_MEDIAN_FILTER_HV,
 128         BLACKBIRD_MEDIAN_FILTER_DIAGONAL
 129 };
 130 #define BLACKBIRD_API_SET_MANUAL_DNR     0x9D
 131 #define BLACKBIRD_API_SET_DNR_MEDIAN     0x9F
 132 #define BLACKBIRD_API_SET_SPATIAL_FILTER 0xA1
 133 enum blackbird_spatial_filter_luma {
 134         BLACKBIRD_SPATIAL_FILTER_LUMA_DISABLED,
 135         BLACKBIRD_SPATIAL_FILTER_LUMA_1D_HORIZ,
 136         BLACKBIRD_SPATIAL_FILTER_LUMA_1D_VERT,
 137         BLACKBIRD_SPATIAL_FILTER_LUMA_2D_HV, /* separable, default */
 138         BLACKBIRD_SPATIAL_FILTER_LUMA_2D_SYMM /* symmetric non-separable */
 139 };
 140 enum blackbird_spatial_filter_chroma {
 141         BLACKBIRD_SPATIAL_FILTER_CHROMA_DISABLED,
 142         BLACKBIRD_SPATIAL_FILTER_CHROMA_1D_HORIZ /* default */
 143 };
 144 #define BLACKBIRD_API_SET_3_2_PULLDOWN   0xB1
 145 enum blackbird_pulldown {
 146         BLACKBIRD_3_2_PULLDOWN_DISABLED,
 147         BLACKBIRD_3_2_PULLDOWN_ENABLED
 148 };
 149 #define BLACKBIRD_API_SET_VBI_LINE_NO    0xB7
 150 enum blackbird_vbi_line_bits {
 151         BLACKBIRD_VBI_LINE_BITS_TOP_FIELD,
 152         BLACKBIRD_VBI_LINE_BITS_BOT_FIELD = (1 << 31),
 153         BLACKBIRD_VBI_LINE_BITS_ALL_LINES = 0xFFFFFFFF
 154 };
 155 enum blackbird_vbi_line {
 156         BLACKBIRD_VBI_LINE_DISABLED,
 157         BLACKBIRD_VBI_LINE_ENABLED
 158 };
 159 enum blackbird_vbi_slicing {
 160         BLACKBIRD_VBI_SLICING_NONE,
 161         BLACKBIRD_VBI_SLICING_CLOSED_CAPTION
 162 };
 163 #define BLACKBIRD_API_SET_STREAM_TYPE    0xB9
 164 enum blackbird_stream_type {
 165         BLACKBIRD_STREAM_PROGRAM,
 166         BLACKBIRD_STREAM_TRANSPORT,
 167         BLACKBIRD_STREAM_MPEG1,
 168         BLACKBIRD_STREAM_PES_AV,
 169         BLACKBIRD_STREAM_UNKNOWN4,
 170         BLACKBIRD_STREAM_PES_VIDEO,
 171         BLACKBIRD_STREAM_UNKNOWN6,
 172         BLACKBIRD_STREAM_PES_AUDIO,
 173         BLACKBIRD_STREAM_UNKNOWN8,
 174         BLACKBIRD_STREAM_UNKNOWN9, /* audio/pcm ? */
 175         BLACKBIRD_STREAM_DVD,
 176         BLACKBIRD_STREAM_VCD,
 177         BLACKBIRD_STREAM_UNKNOWN12 /* svcd/xvcd ? */
 178 };
 179 #define BLACKBIRD_API_SET_OUTPUT_PORT    0xBB
 180 enum blackbird_stream_port {
 181         BLACKBIRD_OUTPUT_PORT_MEMORY,
 182         BLACKBIRD_OUTPUT_PORT_STREAMING,
 183         BLACKBIRD_OUTPUT_PORT_SERIAL
 184 };
 185 #define BLACKBIRD_API_SET_AUDIO_PARAMS   0xBD
 186 enum blackbird_audio_bits_sample_rate {
 187         BLACKBIRD_AUDIO_BITS_44100HZ,
 188         BLACKBIRD_AUDIO_BITS_48000HZ,
 189         BLACKBIRD_AUDIO_BITS_32000HZ,
 190         BLACKBIRD_AUDIO_BITS_RESERVED_HZ,
 191 };
 192 enum blackbird_audio_bits_encoding {
 193         BLACKBIRD_AUDIO_BITS_LAYER_1 = 0x1 << 2,
 194         BLACKBIRD_AUDIO_BITS_LAYER_2 = 0x2 << 2,
 195 };
 196 enum blackbird_audio_bits_bitrate_layer_1 {
 197         BLACKBIRD_AUDIO_BITS_LAYER_1_FREE_FORMAT,
 198         BLACKBIRD_AUDIO_BITS_LAYER_1_32  = 0x01 << 4,
 199         BLACKBIRD_AUDIO_BITS_LAYER_1_64  = 0x02 << 4,
 200         BLACKBIRD_AUDIO_BITS_LAYER_1_96  = 0x03 << 4,
 201         BLACKBIRD_AUDIO_BITS_LAYER_1_128 = 0x04 << 4,
 202         BLACKBIRD_AUDIO_BITS_LAYER_1_160 = 0x05 << 4,
 203         BLACKBIRD_AUDIO_BITS_LAYER_1_192 = 0x06 << 4,
 204         BLACKBIRD_AUDIO_BITS_LAYER_1_224 = 0x07 << 4,
 205         BLACKBIRD_AUDIO_BITS_LAYER_1_256 = 0x08 << 4,
 206         BLACKBIRD_AUDIO_BITS_LAYER_1_288 = 0x09 << 4,
 207         BLACKBIRD_AUDIO_BITS_LAYER_1_320 = 0x0A << 4,
 208         BLACKBIRD_AUDIO_BITS_LAYER_1_352 = 0x0B << 4,
 209         BLACKBIRD_AUDIO_BITS_LAYER_1_384 = 0x0C << 4,
 210         BLACKBIRD_AUDIO_BITS_LAYER_1_416 = 0x0D << 4,
 211         BLACKBIRD_AUDIO_BITS_LAYER_1_448 = 0x0E << 4,
 212 };
 213 enum blackbird_audio_bits_bitrate_layer_2 {
 214         BLACKBIRD_AUDIO_BITS_LAYER_2_FREE_FORMAT,
 215         BLACKBIRD_AUDIO_BITS_LAYER_2_32  = 0x01 << 4,
 216         BLACKBIRD_AUDIO_BITS_LAYER_2_48  = 0x02 << 4,
 217         BLACKBIRD_AUDIO_BITS_LAYER_2_56  = 0x03 << 4,
 218         BLACKBIRD_AUDIO_BITS_LAYER_2_64  = 0x04 << 4,
 219         BLACKBIRD_AUDIO_BITS_LAYER_2_80  = 0x05 << 4,
 220         BLACKBIRD_AUDIO_BITS_LAYER_2_96  = 0x06 << 4,
 221         BLACKBIRD_AUDIO_BITS_LAYER_2_112 = 0x07 << 4,
 222         BLACKBIRD_AUDIO_BITS_LAYER_2_128 = 0x08 << 4,
 223         BLACKBIRD_AUDIO_BITS_LAYER_2_160 = 0x09 << 4,
 224         BLACKBIRD_AUDIO_BITS_LAYER_2_192 = 0x0A << 4,
 225         BLACKBIRD_AUDIO_BITS_LAYER_2_224 = 0x0B << 4,
 226         BLACKBIRD_AUDIO_BITS_LAYER_2_256 = 0x0C << 4,
 227         BLACKBIRD_AUDIO_BITS_LAYER_2_320 = 0x0D << 4,
 228         BLACKBIRD_AUDIO_BITS_LAYER_2_384 = 0x0E << 4,
 229 };
 230 enum blackbird_audio_bits_mode {
 231         BLACKBIRD_AUDIO_BITS_STEREO,
 232         BLACKBIRD_AUDIO_BITS_JOINT_STEREO = 0x1 << 8,
 233         BLACKBIRD_AUDIO_BITS_DUAL         = 0x2 << 8,
 234         BLACKBIRD_AUDIO_BITS_MONO         = 0x3 << 8,
 235 };
 236 enum blackbird_audio_bits_mode_extension {
 237         BLACKBIRD_AUDIO_BITS_BOUND_4,
 238         BLACKBIRD_AUDIO_BITS_BOUND_8  = 0x1 << 10,
 239         BLACKBIRD_AUDIO_BITS_BOUND_12 = 0x2 << 10,
 240         BLACKBIRD_AUDIO_BITS_BOUND_16 = 0x3 << 10,
 241 };
 242 enum blackbird_audio_bits_emphasis {
 243         BLACKBIRD_AUDIO_BITS_EMPHASIS_NONE,
 244         BLACKBIRD_AUDIO_BITS_EMPHASIS_50_15     = 0x1 << 12,
 245         BLACKBIRD_AUDIO_BITS_EMPHASIS_RESERVED  = 0x2 << 12,
 246         BLACKBIRD_AUDIO_BITS_EMPHASIS_CCITT_J17 = 0x3 << 12,
 247 };
 248 enum blackbird_audio_bits_crc {
 249         BLACKBIRD_AUDIO_BITS_CRC_OFF,
 250         BLACKBIRD_AUDIO_BITS_CRC_ON = 0x1 << 14,
 251 };
 252 enum blackbird_audio_bits_copyright {
 253         BLACKBIRD_AUDIO_BITS_COPYRIGHT_OFF,
 254         BLACKBIRD_AUDIO_BITS_COPYRIGHT_ON = 0x1 << 15,
 255 };
 256 enum blackbird_audio_bits_original {
 257         BLACKBIRD_AUDIO_BITS_COPY,
 258         BLACKBIRD_AUDIO_BITS_ORIGINAL = 0x1 << 16,
 259 };
 260 #define BLACKBIRD_API_HALT               0xC3
 261 #define BLACKBIRD_API_GET_VERSION        0xC4
 262 #define BLACKBIRD_API_SET_GOP_CLOSURE    0xC5
 263 enum blackbird_gop_closure {
 264         BLACKBIRD_GOP_CLOSURE_OFF,
 265         BLACKBIRD_GOP_CLOSURE_ON,
 266 };
 267 #define BLACKBIRD_API_DATA_XFER_STATUS   0xC6
 268 enum blackbird_data_xfer_status {
 269         BLACKBIRD_MORE_BUFFERS_FOLLOW,
 270         BLACKBIRD_LAST_BUFFER,
 271 };
 272 #define BLACKBIRD_API_PROGRAM_INDEX_INFO 0xC7
 273 enum blackbird_picture_mask {
 274         BLACKBIRD_PICTURE_MASK_NONE,
 275         BLACKBIRD_PICTURE_MASK_I_FRAMES,
 276         BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
 277         BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
 278 };
 279 #define BLACKBIRD_API_SET_VBI_PARAMS     0xC8
 280 enum blackbird_vbi_mode_bits {
 281         BLACKBIRD_VBI_BITS_SLICED,
 282         BLACKBIRD_VBI_BITS_RAW,
 283 };
 284 enum blackbird_vbi_insertion_bits {
 285         BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 286         BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 287         BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 288         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 289         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 290 };
 291 #define BLACKBIRD_API_SET_DMA_BLOCK_SIZE 0xC9
 292 enum blackbird_dma_unit {
 293         BLACKBIRD_DMA_BYTES,
 294         BLACKBIRD_DMA_FRAMES,
 295 };
 296 #define BLACKBIRD_API_DMA_TRANSFER_INFO  0xCA
 297 #define BLACKBIRD_API_DMA_TRANSFER_STAT  0xCB
 298 enum blackbird_dma_transfer_status_bits {
 299         BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
 300         BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
 301         BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 302 };
 303 #define BLACKBIRD_API_SET_DMA2HOST_ADDR  0xCC
 304 #define BLACKBIRD_API_INIT_VIDEO_INPUT   0xCD
 305 #define BLACKBIRD_API_SET_FRAMESKIP      0xD0
 306 #define BLACKBIRD_API_PAUSE              0xD2
 307 enum blackbird_pause {
 308         BLACKBIRD_PAUSE_ENCODING,
 309         BLACKBIRD_RESUME_ENCODING,
 310 };
 311 #define BLACKBIRD_API_REFRESH_INPUT      0xD3
 312 #define BLACKBIRD_API_SET_COPYRIGHT      0xD4
 313 enum blackbird_copyright {
 314         BLACKBIRD_COPYRIGHT_OFF,
 315         BLACKBIRD_COPYRIGHT_ON,
 316 };
 317 #define BLACKBIRD_API_SET_NOTIFICATION   0xD5
 318 enum blackbird_notification_type {
 319         BLACKBIRD_NOTIFICATION_REFRESH,
 320 };
 321 enum blackbird_notification_status {
 322         BLACKBIRD_NOTIFICATION_OFF,
 323         BLACKBIRD_NOTIFICATION_ON,
 324 };
 325 enum blackbird_notification_mailbox {
 326         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 327 };
 328 #define BLACKBIRD_API_SET_CAPTURE_LINES  0xD6
 329 enum blackbird_field1_lines {
 330         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 331         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 332         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 333 };
 334 enum blackbird_field2_lines {
 335         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 336         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 337         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 338 };
 339 #define BLACKBIRD_API_SET_CUSTOM_DATA    0xD7
 340 enum blackbird_custom_data_type {
 341         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 342         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 343 };
 344 #define BLACKBIRD_API_MUTE_VIDEO         0xD9
 345 enum blackbird_mute {
 346         BLACKBIRD_UNMUTE,
 347         BLACKBIRD_MUTE,
 348 };
 349 enum blackbird_mute_video_mask {
 350         BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
 351         BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
 352         BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
 353 };
 354 enum blackbird_mute_video_shift {
 355         BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
 356         BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
 357         BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
 358 };
 359 #define BLACKBIRD_API_MUTE_AUDIO         0xDA
 360
 361 /* Registers */
 362 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
 363 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
 364 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
 365 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
 366 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
 367 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
 368
 369 /* ------------------------------------------------------------------ */
 370
 371 static void host_setup(struct cx88_core *core)
 372 {
 373         /* toggle reset of the host */
 374         cx_write(MO_GPHST_SOFT_RST, 1);
 375         udelay(100);
 376         cx_write(MO_GPHST_SOFT_RST, 0);
 377         udelay(100);
 378
 379         /* host port setup */
 380         cx_write(MO_GPHST_WSC, 0x44444444U);
 381         cx_write(MO_GPHST_XFR, 0);
 382         cx_write(MO_GPHST_WDTH, 15);
 383         cx_write(MO_GPHST_HDSHK, 0);
 384         cx_write(MO_GPHST_MUX16, 0x44448888U);
 385         cx_write(MO_GPHST_MODE, 0);
 386 }
 387
 388 /* ------------------------------------------------------------------ */
 389
 390 #define P1_MDATA0 0x390000
 391 #define P1_MDATA1 0x390001
 392 #define P1_MDATA2 0x390002
 393 #define P1_MDATA3 0x390003
 394 #define P1_MADDR2 0x390004
 395 #define P1_MADDR1 0x390005
 396 #define P1_MADDR0 0x390006
 397 #define P1_RDATA0 0x390008
 398 #define P1_RDATA1 0x390009
 399 #define P1_RDATA2 0x39000A
 400 #define P1_RDATA3 0x39000B
 401 #define P1_RADDR0 0x39000C
 402 #define P1_RADDR1 0x39000D
 403 #define P1_RRDWR  0x39000E
 404
 405 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 406 {
 407         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 408         u32 gpio0,need;
 409
 410         need = state ? 2 : 0;
 411         for (;;) {
 412                 gpio0 = cx_read(MO_GP0_IO) & 2;
 413                 if (need == gpio0)
 414                         return 0;
 415                 if (time_after(jiffies,timeout))
 416                         return -1;
 417                 udelay(1);
 418         }
 419 }
 420
 421 static int memory_write(struct cx88_core *core, u32 address, u32 value)
 422 {
 423         /* Warning: address is dword address (4 bytes) */
 424         cx_writeb(P1_MDATA0, (unsigned int)value);
 425         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
 426         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
 427         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
 428         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
 429         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 430         cx_writeb(P1_MADDR0, (unsigned int)address);
 431         cx_read(P1_MDATA0);
 432         cx_read(P1_MADDR0);
 433
 434         return wait_ready_gpio0_bit1(core,1);
 435 }
 436
 437 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 438 {
 439         int retval;
 440         u32 val;
 441
 442         /* Warning: address is dword address (4 bytes) */
 443         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
 444         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 445         cx_writeb(P1_MADDR0, (unsigned int)address);
 446         cx_read(P1_MADDR0);
 447
 448         retval = wait_ready_gpio0_bit1(core,1);
 449
 450         cx_writeb(P1_MDATA3, 0);
 451         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
 452         cx_writeb(P1_MDATA2, 0);
 453         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
 454         cx_writeb(P1_MDATA1, 0);
 455         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
 456         cx_writeb(P1_MDATA0, 0);
 457         val    |= (unsigned char)cx_read(P1_MDATA0);
 458
 459         *value  = val;
 460         return retval;
 461 }
 462
 463 static int register_write(struct cx88_core *core, u32 address, u32 value)
 464 {
 465         cx_writeb(P1_RDATA0, (unsigned int)value);
 466         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
 467         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
 468         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
 469         cx_writeb(P1_RADDR0, (unsigned int)address);
 470         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 471         cx_writeb(P1_RRDWR, 1);
 472         cx_read(P1_RDATA0);
 473         cx_read(P1_RADDR0);
 474
 475         return wait_ready_gpio0_bit1(core,1);
 476 }
 477
 478
 479 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 480 {
 481         int retval;
 482         u32 val;
 483
 484         cx_writeb(P1_RADDR0, (unsigned int)address);
 485         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 486         cx_writeb(P1_RRDWR, 0);
 487         cx_read(P1_RADDR0);
 488
 489         retval  = wait_ready_gpio0_bit1(core,1);
 490         val     = (unsigned char)cx_read(P1_RDATA0);
 491         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 492         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
 493         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
 494
 495         *value  = val;
 496         return retval;
 497 }
 498
 499 /* ------------------------------------------------------------------ */
 500
 501 /* We don't need to call the API often, so using just one mailbox will probably suffice */
 502 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 503                              u32 inputcnt, u32 outputcnt, ...)
 504 {
 505         unsigned long timeout;
 506         u32 value, flag, retval;
 507         int i;
 508         va_list args;
 509         va_start(args, outputcnt);
 510
 511         dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
 512
 513         /* this may not be 100% safe if we can't read any memory location
 514            without side effects */
 515         memory_read(dev->core, dev->mailbox - 4, &value);
 516         if (value != 0x12345678) {
 517                 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
 518                 return -1;
 519         }
 520
 521         memory_read(dev->core, dev->mailbox, &flag);
 522         if (flag) {
 523                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 524                 return -1;
 525         }
 526
 527         flag |= 1; /* tell 'em we're working on it */
 528         memory_write(dev->core, dev->mailbox, flag);
 529
 530         /* write command + args + fill remaining with zeros */
 531         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 532         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
 533         for (i = 0; i < inputcnt ; i++) {
 534                 value = va_arg(args, int);
 535                 memory_write(dev->core, dev->mailbox + 4 + i, value);
 536                 dprintk(1, "API Input %d = %d\n", i, value);
 537         }
 538         for (; i < 16 ; i++)
 539                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
 540
 541         flag |= 3; /* tell 'em we're done writing */
 542         memory_write(dev->core, dev->mailbox, flag);
 543
 544         /* wait for firmware to handle the API command */
 545         timeout = jiffies + msecs_to_jiffies(10);
 546         for (;;) {
 547                 memory_read(dev->core, dev->mailbox, &flag);
 548                 if (0 != (flag & 4))
 549                         break;
 550                 if (time_after(jiffies,timeout)) {
 551                         dprintk(0, "ERROR: API Mailbox timeout\n");
 552                         return -1;
 553                 }
 554                 udelay(10);
 555         }
 556
 557         /* read output values */
 558         for (i = 0; i < outputcnt ; i++) {
 559                 int *vptr = va_arg(args, int *);
 560                 memory_read(dev->core, dev->mailbox + 4 + i, vptr);
 561                 dprintk(1, "API Output %d = %d\n", i, *vptr);
 562         }
 563         va_end(args);
 564
 565         memory_read(dev->core, dev->mailbox + 2, &retval);
 566         dprintk(1, "API result = %d\n",retval);
 567
 568         flag = 0;
 569         memory_write(dev->core, dev->mailbox, flag);
 570         return retval;
 571 }
 572
 573
 574 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 575 {
 576         u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
 577         int signaturecnt=0;
 578         u32 value;
 579         int i;
 580
 581         for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 582                 memory_read(dev->core, i, &value);
 583                 if (value == signature[signaturecnt])
 584                         signaturecnt++;
 585                 else
 586                         signaturecnt = 0;
 587                 if (4 == signaturecnt) {
 588                         dprintk(1, "Mailbox signature found\n");
 589                         return i+1;
 590                 }
 591         }
 592         dprintk(0, "Mailbox signature values not found!\n");
 593         return -1;
 594 }
 595
 596 static int blackbird_load_firmware(struct cx8802_dev *dev)
 597 {
 598         static const unsigned char magic[8] = {
 599                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 600         };
 601         const struct firmware *firmware;
 602         int i, retval = 0;
 603         u32 value = 0;
 604         u32 checksum = 0;
 605         u32 *dataptr;
 606
 607         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 608         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 609         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
 610         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 611         msleep(1);
 612         retval |= register_write(dev->core, IVTV_REG_APU, 0);
 613
 614         if (retval < 0)
 615                 dprintk(0, "Error with register_write\n");
 616
 617         retval = request_firmware(&firmware, BLACKBIRD_FIRM_ENC_FILENAME,
 618                                   &dev->pci->dev);
 619         if (retval != 0) {
 620                 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
 621                         BLACKBIRD_FIRM_ENC_FILENAME);
 622                 dprintk(0, "Please fix your hotplug setup, the board will "
 623                         "not work without firmware loaded!\n");
 624                 return -1;
 625         }
 626
 627         if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 628                 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
 629                         firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 630                 return -1;
 631         }
 632
 633         if (0 != memcmp(firmware->data, magic, 8)) {
 634                 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
 635                 return -1;
 636         }
 637
 638         /* transfer to the chip */
 639         dprintk(1,"Loading firmware ...\n");
 640         dataptr = (u32*)firmware->data;
 641         for (i = 0; i < (firmware->size >> 2); i++) {
 642                 value = *dataptr;
 643                 checksum += ~value;
 644                 memory_write(dev->core, i, value);
 645                 dataptr++;
 646         }
 647
 648         /* read back to verify with the checksum */
 649         for (i--; i >= 0; i--) {
 650                 memory_read(dev->core, i, &value);
 651                 checksum -= ~value;
 652         }
 653         if (checksum) {
 654                 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
 655                 return -1;
 656         }
 657         release_firmware(firmware);
 658         dprintk(0, "Firmware upload successful.\n");
 659
 660         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 661         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 662         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 663         msleep(1);
 664
 665         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 666         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 667
 668         if (retval < 0)
 669                 dprintk(0, "Error with register_write\n");
 670         return 0;
 671 }
 672
 673 /**
 674  Settings used by the windows tv app for PVR2000:
 675 =================================================================================================================
 676 Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 677 -----------------------------------------------------------------------------------------------------------------
 678 MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 679 MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 680 VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 681 DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 682 DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 683 =================================================================================================================
 684 *DB: "DirectBurn"
 685 */
 686 static void blackbird_codec_settings(struct cx8802_dev *dev)
 687 {
 688         int bitrate_mode = 1;
 689         int bitrate = 7500000;
 690         int bitrate_peak = 7500000;
 691         bitrate_mode = BLACKBIRD_VIDEO_CBR;
 692         bitrate = 4000*1024;
 693         bitrate_peak = 4000*1024;
 694
 695         /* assign stream type */
 696         blackbird_api_cmd(dev, BLACKBIRD_API_SET_STREAM_TYPE, 1, 0, BLACKBIRD_STREAM_PROGRAM);
 697
 698         /* assign output port */
 699         blackbird_api_cmd(dev, BLACKBIRD_API_SET_OUTPUT_PORT, 1, 0, BLACKBIRD_OUTPUT_PORT_STREAMING); /* Host */
 700
 701         /* assign framerate */
 702         blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_PAL_25);
 703
 704         /* assign frame size */
 705         blackbird_api_cmd(dev, BLACKBIRD_API_SET_RESOLUTION, 2, 0,
 706                           dev->height, dev->width);
 707
 708         /* assign aspect ratio */
 709         blackbird_api_cmd(dev, BLACKBIRD_API_SET_ASPECT_RATIO, 1, 0, BLACKBIRD_ASPECT_RATIO_4_3);
 710
 711         /* assign bitrates */
 712         blackbird_api_cmd(dev, BLACKBIRD_API_SET_VIDEO_BITRATE, 5, 0,
 713                          bitrate_mode,         /* mode */
 714                          bitrate,              /* bps */
 715                          bitrate_peak / BLACKBIRD_PEAK_RATE_DIVISOR,   /* peak/400 */
 716                          BLACKBIRD_MUX_RATE_DEFAULT /*, 0x70*/);             /* encoding buffer, ckennedy */
 717
 718         /* assign gop properties */
 719         blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_STRUCTURE, 2, 0, 15, 3);
 720
 721         /* assign 3 2 pulldown */
 722         blackbird_api_cmd(dev, BLACKBIRD_API_SET_3_2_PULLDOWN, 1, 0, BLACKBIRD_3_2_PULLDOWN_DISABLED);
 723
 724         /* assign audio properties */
 725         /* note: it's not necessary to set the samplerate, the mpeg encoder seems to autodetect/adjust */
 726         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, (2<<2) | (8<<4));
 727            blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, 0 | (2 << 2) | (14 << 4)); */
 728         blackbird_api_cmd(dev, BLACKBIRD_API_SET_AUDIO_PARAMS, 1, 0,
 729                         BLACKBIRD_AUDIO_BITS_44100HZ |
 730                         BLACKBIRD_AUDIO_BITS_LAYER_2 |
 731                         BLACKBIRD_AUDIO_BITS_LAYER_2_224 |
 732                         BLACKBIRD_AUDIO_BITS_STEREO |
 733                         /* BLACKBIRD_AUDIO_BITS_BOUND_4 | */
 734                         BLACKBIRD_AUDIO_BITS_EMPHASIS_NONE |
 735                         BLACKBIRD_AUDIO_BITS_CRC_OFF |
 736                         BLACKBIRD_AUDIO_BITS_COPYRIGHT_OFF |
 737                         BLACKBIRD_AUDIO_BITS_COPY
 738                 );
 739
 740         /* assign gop closure */
 741         blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_CLOSURE, 1, 0, BLACKBIRD_GOP_CLOSURE_OFF);
 742
 743
 744         /* assign dnr filter mode */
 745         blackbird_api_cmd(dev, BLACKBIRD_API_SET_DNR_MODE, 2, 0,
 746                         BLACKBIRD_DNR_BITS_MANUAL,
 747                         BLACKBIRD_MEDIAN_FILTER_DISABLED
 748                 );
 749
 750         /* assign dnr filter props*/
 751         blackbird_api_cmd(dev, BLACKBIRD_API_SET_MANUAL_DNR, 2, 0, 0, 0);
 752
 753         /* assign coring levels (luma_h, luma_l, chroma_h, chroma_l) */
 754         blackbird_api_cmd(dev, BLACKBIRD_API_SET_DNR_MEDIAN, 4, 0, 0, 255, 0, 255);
 755
 756         /* assign spatial filter type: luma_t: horiz_only, chroma_t: horiz_only */
 757         blackbird_api_cmd(dev, BLACKBIRD_API_SET_SPATIAL_FILTER, 2, 0,
 758                         BLACKBIRD_SPATIAL_FILTER_LUMA_1D_HORIZ,
 759                         BLACKBIRD_SPATIAL_FILTER_CHROMA_1D_HORIZ
 760                 );
 761
 762         /* assign frame drop rate */
 763         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAME_DROP_RATE, 1, 0, 0); */
 764 }
 765
 766 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 767 {
 768         struct cx88_core *core = dev->core;
 769         int version;
 770         int retval;
 771
 772         dprintk(1,"Initialize codec\n");
 773         retval = blackbird_api_cmd(dev, BLACKBIRD_API_PING, 0, 0); /* ping */
 774         if (retval < 0) {
 775                 /* ping was not successful, reset and upload firmware */
 776                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 777                 msleep(1);
 778                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 779                 msleep(1);
 780                 retval = blackbird_load_firmware(dev);
 781                 if (retval < 0)
 782                         return retval;
 783
 784                 dev->mailbox = blackbird_find_mailbox(dev);
 785                 if (dev->mailbox < 0)
 786                         return -1;
 787
 788                 retval = blackbird_api_cmd(dev, BLACKBIRD_API_PING, 0, 0); /* ping */
 789                 if (retval < 0) {
 790                         dprintk(0, "ERROR: Firmware ping failed!\n");
 791                         return -1;
 792                 }
 793
 794                 retval = blackbird_api_cmd(dev, BLACKBIRD_API_GET_VERSION, 0, 1, &version);
 795                 if (retval < 0) {
 796                         dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 797                         return -1;
 798                 }
 799                 dprintk(0, "Firmware version is 0x%08x\n", version);
 800         }
 801         msleep(1);
 802
 803         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 804         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 805         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 806         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 807
 808         blackbird_codec_settings(dev);
 809         msleep(1);
 810
 811         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
 812            blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
 813            blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
 814         blackbird_api_cmd(dev, BLACKBIRD_API_SET_CAPTURE_LINES, 2, 0,
 815                         BLACKBIRD_FIELD1_SAA7115,
 816                         BLACKBIRD_FIELD1_SAA7115
 817                 );
 818
 819         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
 820         blackbird_api_cmd(dev, BLACKBIRD_API_SET_CUSTOM_DATA, 12, 0,
 821                         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 822                         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 823
 824         /* initialize the video input */
 825         blackbird_api_cmd(dev, BLACKBIRD_API_INIT_VIDEO_INPUT, 0, 0);
 826
 827         msleep(1);
 828
 829         blackbird_api_cmd(dev, BLACKBIRD_API_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
 830         msleep(1);
 831         blackbird_api_cmd(dev, BLACKBIRD_API_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
 832         msleep(1);
 833
 834         /* start capturing to the host interface */
 835         /* blackbird_api_cmd(dev, BLACKBIRD_API_BEGIN_CAPTURE, 2, 0, 0, 0x13); */
 836         blackbird_api_cmd(dev, BLACKBIRD_API_BEGIN_CAPTURE, 2, 0,
 837                         BLACKBIRD_MPEG_CAPTURE,
 838                         BLACKBIRD_RAW_BITS_NONE
 839                 );
 840         msleep(10);
 841
 842         blackbird_api_cmd(dev, BLACKBIRD_API_REFRESH_INPUT, 0,0);
 843         return 0;
 844 }
 845
 846 /* ------------------------------------------------------------------ */
 847
 848 static int bb_buf_setup(struct videobuf_queue *q,
 849                         unsigned int *count, unsigned int *size)
 850 {
 851         struct cx8802_fh *fh = q->priv_data;
 852
 853         fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
 854         fh->dev->ts_packet_count = 32; /* was: 100 */
 855
 856         *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
 857         if (0 == *count)
 858                 *count = mpegbufs;
 859         if (*count < 2)
 860                 *count = 2;
 861         if (*count > 32)
 862                 *count = 32;
 863         return 0;
 864 }
 865
 866 static int
 867 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 868                enum v4l2_field field)
 869 {
 870         struct cx8802_fh *fh = q->priv_data;
 871         return cx8802_buf_prepare(fh->dev, (struct cx88_buffer*)vb);
 872 }
 873
 874 static void
 875 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 876 {
 877         struct cx8802_fh *fh = q->priv_data;
 878         cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
 879 }
 880
 881 static void
 882 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 883 {
 884         struct cx8802_fh *fh = q->priv_data;
 885         cx88_free_buffer(fh->dev->pci, (struct cx88_buffer*)vb);
 886 }
 887
 888 static struct videobuf_queue_ops blackbird_qops = {
 889         .buf_setup    = bb_buf_setup,
 890         .buf_prepare  = bb_buf_prepare,
 891         .buf_queue    = bb_buf_queue,
 892         .buf_release  = bb_buf_release,
 893 };
 894
 895 /* ------------------------------------------------------------------ */
 896
 897 static int mpeg_do_ioctl(struct inode *inode, struct file *file,
 898                          unsigned int cmd, void *arg)
 899 {
 900         struct cx8802_fh  *fh  = file->private_data;
 901         struct cx8802_dev *dev = fh->dev;
 902         struct cx88_core  *core = dev->core;
 903
 904         if (debug > 1)
 905                 cx88_print_ioctl(core->name,cmd);
 906
 907         switch (cmd) {
 908
 909         /* --- capabilities ------------------------------------------ */
 910         case VIDIOC_QUERYCAP:
 911         {
 912                 struct v4l2_capability *cap = arg;
 913
 914                 memset(cap,0,sizeof(*cap));
 915                 strcpy(cap->driver, "cx88_blackbird");
 916                 strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card));
 917                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
 918                 cap->version = CX88_VERSION_CODE;
 919                 cap->capabilities =
 920                         V4L2_CAP_VIDEO_CAPTURE |
 921                         V4L2_CAP_READWRITE     |
 922                         V4L2_CAP_STREAMING     |
 923                         V4L2_CAP_VBI_CAPTURE   |
 924                         V4L2_CAP_VIDEO_OVERLAY |
 925                         0;
 926                 if (UNSET != core->tuner_type)
 927                         cap->capabilities |= V4L2_CAP_TUNER;
 928
 929                 return 0;
 930         }
 931
 932         /* --- capture ioctls ---------------------------------------- */
 933         case VIDIOC_ENUM_FMT:
 934         {
 935                 struct v4l2_fmtdesc *f = arg;
 936                 int index;
 937
 938                 index = f->index;
 939                 if (index != 0)
 940                         return -EINVAL;
 941
 942                 memset(f,0,sizeof(*f));
 943                 f->index = index;
 944                 strlcpy(f->description, "MPEG TS", sizeof(f->description));
 945                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 946                 f->pixelformat = V4L2_PIX_FMT_MPEG;
 947                 return 0;
 948         }
 949         case VIDIOC_G_FMT:
 950         case VIDIOC_S_FMT:
 951         case VIDIOC_TRY_FMT:
 952         {
 953                 /* FIXME -- quick'n'dirty for exactly one size ... */
 954                 struct v4l2_format *f = arg;
 955
 956                 memset(f,0,sizeof(*f));
 957                 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 958                 f->fmt.pix.width        = dev->width;
 959                 f->fmt.pix.height       = dev->height;
 960                 f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 961                 f->fmt.pix.field        = V4L2_FIELD_NONE;
 962                 f->fmt.pix.bytesperline = 0;
 963                 f->fmt.pix.sizeimage    = 188 * 4 * 1024; /* 1024 * 512 */ /* FIXME: BUFFER_SIZE */;
 964                 f->fmt.pix.colorspace   = 0;
 965                 return 0;
 966         }
 967
 968         /* --- streaming capture ------------------------------------- */
 969         case VIDIOC_REQBUFS:
 970                 return videobuf_reqbufs(&fh->mpegq, arg);
 971
 972         case VIDIOC_QUERYBUF:
 973                 return videobuf_querybuf(&fh->mpegq, arg);
 974
 975         case VIDIOC_QBUF:
 976                 return videobuf_qbuf(&fh->mpegq, arg);
 977
 978         case VIDIOC_DQBUF:
 979                 return videobuf_dqbuf(&fh->mpegq, arg,
 980                                       file->f_flags & O_NONBLOCK);
 981
 982         case VIDIOC_STREAMON:
 983                 return videobuf_streamon(&fh->mpegq);
 984
 985         case VIDIOC_STREAMOFF:
 986                 return videobuf_streamoff(&fh->mpegq);
 987
 988         default:
 989                 return cx88_do_ioctl( inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook );
 990         }
 991         return 0;
 992 }
 993
 994 int (*cx88_ioctl_hook)(struct inode *inode, struct file *file,
 995                         unsigned int cmd, void *arg);
 996 unsigned int (*cx88_ioctl_translator)(unsigned int cmd);
 997
 998 static unsigned int mpeg_translate_ioctl(unsigned int cmd)
 999 {
1000         return cmd;
1001 }
1002
1003 static int mpeg_ioctl(struct inode *inode, struct file *file,
1004                         unsigned int cmd, unsigned long arg)
1005 {
1006         cmd = cx88_ioctl_translator( cmd );
1007         return video_usercopy(inode, file, cmd, arg, cx88_ioctl_hook);
1008 }
1009
1010 static int mpeg_open(struct inode *inode, struct file *file)
1011 {
1012         int minor = iminor(inode);
1013         struct cx8802_dev *h,*dev = NULL;
1014         struct cx8802_fh *fh;
1015         struct list_head *list;
1016
1017         list_for_each(list,&cx8802_devlist) {
1018                 h = list_entry(list, struct cx8802_dev, devlist);
1019                 if (h->mpeg_dev->minor == minor)
1020                         dev = h;
1021         }
1022         if (NULL == dev)
1023                 return -ENODEV;
1024
1025         if (blackbird_initialize_codec(dev) < 0)
1026                 return -EINVAL;
1027         dprintk(1,"open minor=%d\n",minor);
1028
1029         /* allocate + initialize per filehandle data */
1030         fh = kmalloc(sizeof(*fh),GFP_KERNEL);
1031         if (NULL == fh)
1032                 return -ENOMEM;
1033         memset(fh,0,sizeof(*fh));
1034         file->private_data = fh;
1035         fh->dev      = dev;
1036
1037         /* FIXME: locking against other video device */
1038         cx88_set_scale(dev->core, dev->width, dev->height,
1039                        V4L2_FIELD_INTERLACED);
1040
1041         videobuf_queue_init(&fh->mpegq, &blackbird_qops,
1042                             dev->pci, &dev->slock,
1043                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1044                             V4L2_FIELD_TOP,
1045                             sizeof(struct cx88_buffer),
1046                             fh);
1047         return 0;
1048 }
1049
1050 static int mpeg_release(struct inode *inode, struct file *file)
1051 {
1052         struct cx8802_fh  *fh  = file->private_data;
1053
1054         /* blackbird_api_cmd(fh->dev, BLACKBIRD_API_END_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
1055         blackbird_api_cmd(fh->dev, BLACKBIRD_API_END_CAPTURE, 3, 0,
1056                         BLACKBIRD_END_NOW,
1057                         BLACKBIRD_MPEG_CAPTURE,
1058                         BLACKBIRD_RAW_BITS_NONE
1059                 );
1060
1061         /* stop mpeg capture */
1062         if (fh->mpegq.streaming)
1063                 videobuf_streamoff(&fh->mpegq);
1064         if (fh->mpegq.reading)
1065                 videobuf_read_stop(&fh->mpegq);
1066
1067         videobuf_mmap_free(&fh->mpegq);
1068         file->private_data = NULL;
1069         kfree(fh);
1070         return 0;
1071 }
1072
1073 static ssize_t
1074 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1075 {
1076         struct cx8802_fh *fh = file->private_data;
1077
1078         return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1079                                     file->f_flags & O_NONBLOCK);
1080 }
1081
1082 static unsigned int
1083 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1084 {
1085         struct cx8802_fh *fh = file->private_data;
1086
1087         return videobuf_poll_stream(file, &fh->mpegq, wait);
1088 }
1089
1090 static int
1091 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1092 {
1093         struct cx8802_fh *fh = file->private_data;
1094
1095         return videobuf_mmap_mapper(&fh->mpegq, vma);
1096 }
1097
1098 static struct file_operations mpeg_fops =
1099 {
1100         .owner         = THIS_MODULE,
1101         .open          = mpeg_open,
1102         .release       = mpeg_release,
1103         .read          = mpeg_read,
1104         .poll          = mpeg_poll,
1105         .mmap          = mpeg_mmap,
1106         .ioctl         = mpeg_ioctl,
1107         .llseek        = no_llseek,
1108 };
1109
1110 static struct video_device cx8802_mpeg_template =
1111 {
1112         .name          = "cx8802",
1113         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
1114         .hardware      = 0,
1115         .fops          = &mpeg_fops,
1116         .minor         = -1,
1117 };
1118
1119 /* ------------------------------------------------------------------ */
1120
1121 static void blackbird_unregister_video(struct cx8802_dev *dev)
1122 {
1123         if (dev->mpeg_dev) {
1124                 if (-1 != dev->mpeg_dev->minor)
1125                         video_unregister_device(dev->mpeg_dev);
1126                 else
1127                         video_device_release(dev->mpeg_dev);
1128                 dev->mpeg_dev = NULL;
1129         }
1130 }
1131
1132 static int blackbird_register_video(struct cx8802_dev *dev)
1133 {
1134         int err;
1135
1136         dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1137                                        &cx8802_mpeg_template,"mpeg");
1138         err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1139         if (err < 0) {
1140                 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1141                        dev->core->name);
1142                 return err;
1143         }
1144         printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1145                dev->core->name,dev->mpeg_dev->minor & 0x1f);
1146         return 0;
1147 }
1148
1149 /* ----------------------------------------------------------- */
1150
1151 static int __devinit blackbird_probe(struct pci_dev *pci_dev,
1152                                      const struct pci_device_id *pci_id)
1153 {
1154         struct cx8802_dev *dev;
1155         struct cx88_core  *core;
1156         int err;
1157
1158         /* general setup */
1159         core = cx88_core_get(pci_dev);
1160         if (NULL == core)
1161                 return -EINVAL;
1162
1163         err = -ENODEV;
1164         if (!cx88_boards[core->board].blackbird)
1165                 goto fail_core;
1166
1167         err = -ENOMEM;
1168         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
1169         if (NULL == dev)
1170                 goto fail_core;
1171         memset(dev,0,sizeof(*dev));
1172         dev->pci = pci_dev;
1173         dev->core = core;
1174         dev->width = 720;
1175         dev->height = 576;
1176
1177         err = cx8802_init_common(dev);
1178         if (0 != err)
1179                 goto fail_free;
1180
1181         /* blackbird stuff */
1182         printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1183                core->name);
1184         host_setup(dev->core);
1185
1186         list_add_tail(&dev->devlist,&cx8802_devlist);
1187         blackbird_register_video(dev);
1188
1189         /* initial device configuration: needed ? */
1190
1191         return 0;
1192
1193  fail_free:
1194         kfree(dev);
1195  fail_core:
1196         cx88_core_put(core,pci_dev);
1197         return err;
1198 }
1199
1200 static void __devexit blackbird_remove(struct pci_dev *pci_dev)
1201 {
1202         struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
1203
1204         /* blackbird */
1205         blackbird_unregister_video(dev);
1206         list_del(&dev->devlist);
1207
1208         /* common */
1209         cx8802_fini_common(dev);
1210         cx88_core_put(dev->core,dev->pci);
1211         kfree(dev);
1212 }
1213
1214 static struct pci_device_id cx8802_pci_tbl[] = {
1215         {
1216                 .vendor       = 0x14f1,
1217                 .device       = 0x8802,
1218                 .subvendor    = PCI_ANY_ID,
1219                 .subdevice    = PCI_ANY_ID,
1220         },{
1221                 /* --- end of list --- */
1222         }
1223 };
1224 MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
1225
1226 static struct pci_driver blackbird_pci_driver = {
1227         .name     = "cx88-blackbird",
1228         .id_table = cx8802_pci_tbl,
1229         .probe    = blackbird_probe,
1230         .remove   = __devexit_p(blackbird_remove),
1231         .suspend  = cx8802_suspend_common,
1232         .resume   = cx8802_resume_common,
1233 };
1234
1235 static int blackbird_init(void)
1236 {
1237         printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1238                (CX88_VERSION_CODE >> 16) & 0xff,
1239                (CX88_VERSION_CODE >>  8) & 0xff,
1240                CX88_VERSION_CODE & 0xff);
1241 #ifdef SNAPSHOT
1242         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1243                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1244 #endif
1245         cx88_ioctl_hook = mpeg_do_ioctl;
1246         cx88_ioctl_translator = mpeg_translate_ioctl;
1247         return pci_register_driver(&blackbird_pci_driver);
1248 }
1249
1250 static void blackbird_fini(void)
1251 {
1252         pci_unregister_driver(&blackbird_pci_driver);
1253 }
1254
1255 module_init(blackbird_init);
1256 module_exit(blackbird_fini);
1257
1258 EXPORT_SYMBOL(cx88_ioctl_hook);
1259 EXPORT_SYMBOL(cx88_ioctl_translator);
1260
1261 /* ----------------------------------------------------------- */
1262 /*
1263  * Local variables:
1264  * c-basic-offset: 8
1265  * End:
1266  * 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
1267  */