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  *    (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
  10  *        - video_ioctl2 conversion
  11  *
  12  *  Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
  13  *
  14  *  This program is free software; you can redistribute it and/or modify
  15  *  it under the terms of the GNU General Public License as published by
  16  *  the Free Software Foundation; either version 2 of the License, or
  17  *  (at your option) any later version.
  18  *
  19  *  This program is distributed in the hope that it will be useful,
  20  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  *  GNU General Public License for more details.
  23  *
  24  *  You should have received a copy of the GNU General Public License
  25  *  along with this program; if not, write to the Free Software
  26  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  27  */
  28
  29 #include <linux/module.h>
  30 #include <linux/init.h>
  31 #include <linux/fs.h>
  32 #include <linux/delay.h>
  33 #include <linux/device.h>
  34 #include <linux/firmware.h>
  35 #include <media/v4l2-common.h>
  36 #include <media/cx2341x.h>
  37
  38 #include "cx88.h"
  39
  40 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
  41 MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  42 MODULE_LICENSE("GPL");
  43
  44 static unsigned int mpegbufs = 32;
  45 module_param(mpegbufs,int,0644);
  46 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
  47
  48 static unsigned int debug;
  49 module_param(debug,int,0644);
  50 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
  51
  52 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  53         printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
  54
  55
  56 /* ------------------------------------------------------------------ */
  57
  58 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
  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 500
  66
  67 enum blackbird_capture_type {
  68         BLACKBIRD_MPEG_CAPTURE,
  69         BLACKBIRD_RAW_CAPTURE,
  70         BLACKBIRD_RAW_PASSTHRU_CAPTURE
  71 };
  72 enum blackbird_capture_bits {
  73         BLACKBIRD_RAW_BITS_NONE             = 0x00,
  74         BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
  75         BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
  76         BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
  77         BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
  78         BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
  79 };
  80 enum blackbird_capture_end {
  81         BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
  82         BLACKBIRD_END_NOW, /* stop immediately, no irq */
  83 };
  84 enum blackbird_framerate {
  85         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
  86         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
  87 };
  88 enum blackbird_stream_port {
  89         BLACKBIRD_OUTPUT_PORT_MEMORY,
  90         BLACKBIRD_OUTPUT_PORT_STREAMING,
  91         BLACKBIRD_OUTPUT_PORT_SERIAL
  92 };
  93 enum blackbird_data_xfer_status {
  94         BLACKBIRD_MORE_BUFFERS_FOLLOW,
  95         BLACKBIRD_LAST_BUFFER,
  96 };
  97 enum blackbird_picture_mask {
  98         BLACKBIRD_PICTURE_MASK_NONE,
  99         BLACKBIRD_PICTURE_MASK_I_FRAMES,
 100         BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
 101         BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
 102 };
 103 enum blackbird_vbi_mode_bits {
 104         BLACKBIRD_VBI_BITS_SLICED,
 105         BLACKBIRD_VBI_BITS_RAW,
 106 };
 107 enum blackbird_vbi_insertion_bits {
 108         BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 109         BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 110         BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 111         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 112         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 113 };
 114 enum blackbird_dma_unit {
 115         BLACKBIRD_DMA_BYTES,
 116         BLACKBIRD_DMA_FRAMES,
 117 };
 118 enum blackbird_dma_transfer_status_bits {
 119         BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
 120         BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
 121         BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 122 };
 123 enum blackbird_pause {
 124         BLACKBIRD_PAUSE_ENCODING,
 125         BLACKBIRD_RESUME_ENCODING,
 126 };
 127 enum blackbird_copyright {
 128         BLACKBIRD_COPYRIGHT_OFF,
 129         BLACKBIRD_COPYRIGHT_ON,
 130 };
 131 enum blackbird_notification_type {
 132         BLACKBIRD_NOTIFICATION_REFRESH,
 133 };
 134 enum blackbird_notification_status {
 135         BLACKBIRD_NOTIFICATION_OFF,
 136         BLACKBIRD_NOTIFICATION_ON,
 137 };
 138 enum blackbird_notification_mailbox {
 139         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 140 };
 141 enum blackbird_field1_lines {
 142         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 143         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 144         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 145 };
 146 enum blackbird_field2_lines {
 147         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 148         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 149         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 150 };
 151 enum blackbird_custom_data_type {
 152         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 153         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 154 };
 155 enum blackbird_mute {
 156         BLACKBIRD_UNMUTE,
 157         BLACKBIRD_MUTE,
 158 };
 159 enum blackbird_mute_video_mask {
 160         BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
 161         BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
 162         BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
 163 };
 164 enum blackbird_mute_video_shift {
 165         BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
 166         BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
 167         BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
 168 };
 169
 170 /* Registers */
 171 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
 172 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
 173 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
 174 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
 175 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
 176 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
 177
 178 /* ------------------------------------------------------------------ */
 179
 180 static void host_setup(struct cx88_core *core)
 181 {
 182         /* toggle reset of the host */
 183         cx_write(MO_GPHST_SOFT_RST, 1);
 184         udelay(100);
 185         cx_write(MO_GPHST_SOFT_RST, 0);
 186         udelay(100);
 187
 188         /* host port setup */
 189         cx_write(MO_GPHST_WSC, 0x44444444U);
 190         cx_write(MO_GPHST_XFR, 0);
 191         cx_write(MO_GPHST_WDTH, 15);
 192         cx_write(MO_GPHST_HDSHK, 0);
 193         cx_write(MO_GPHST_MUX16, 0x44448888U);
 194         cx_write(MO_GPHST_MODE, 0);
 195 }
 196
 197 /* ------------------------------------------------------------------ */
 198
 199 #define P1_MDATA0 0x390000
 200 #define P1_MDATA1 0x390001
 201 #define P1_MDATA2 0x390002
 202 #define P1_MDATA3 0x390003
 203 #define P1_MADDR2 0x390004
 204 #define P1_MADDR1 0x390005
 205 #define P1_MADDR0 0x390006
 206 #define P1_RDATA0 0x390008
 207 #define P1_RDATA1 0x390009
 208 #define P1_RDATA2 0x39000A
 209 #define P1_RDATA3 0x39000B
 210 #define P1_RADDR0 0x39000C
 211 #define P1_RADDR1 0x39000D
 212 #define P1_RRDWR  0x39000E
 213
 214 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 215 {
 216         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 217         u32 gpio0,need;
 218
 219         need = state ? 2 : 0;
 220         for (;;) {
 221                 gpio0 = cx_read(MO_GP0_IO) & 2;
 222                 if (need == gpio0)
 223                         return 0;
 224                 if (time_after(jiffies,timeout))
 225                         return -1;
 226                 udelay(1);
 227         }
 228 }
 229
 230 static int memory_write(struct cx88_core *core, u32 address, u32 value)
 231 {
 232         /* Warning: address is dword address (4 bytes) */
 233         cx_writeb(P1_MDATA0, (unsigned int)value);
 234         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
 235         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
 236         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
 237         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
 238         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 239         cx_writeb(P1_MADDR0, (unsigned int)address);
 240         cx_read(P1_MDATA0);
 241         cx_read(P1_MADDR0);
 242
 243         return wait_ready_gpio0_bit1(core,1);
 244 }
 245
 246 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 247 {
 248         int retval;
 249         u32 val;
 250
 251         /* Warning: address is dword address (4 bytes) */
 252         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
 253         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 254         cx_writeb(P1_MADDR0, (unsigned int)address);
 255         cx_read(P1_MADDR0);
 256
 257         retval = wait_ready_gpio0_bit1(core,1);
 258
 259         cx_writeb(P1_MDATA3, 0);
 260         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
 261         cx_writeb(P1_MDATA2, 0);
 262         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
 263         cx_writeb(P1_MDATA1, 0);
 264         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
 265         cx_writeb(P1_MDATA0, 0);
 266         val    |= (unsigned char)cx_read(P1_MDATA0);
 267
 268         *value  = val;
 269         return retval;
 270 }
 271
 272 static int register_write(struct cx88_core *core, u32 address, u32 value)
 273 {
 274         cx_writeb(P1_RDATA0, (unsigned int)value);
 275         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
 276         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
 277         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
 278         cx_writeb(P1_RADDR0, (unsigned int)address);
 279         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 280         cx_writeb(P1_RRDWR, 1);
 281         cx_read(P1_RDATA0);
 282         cx_read(P1_RADDR0);
 283
 284         return wait_ready_gpio0_bit1(core,1);
 285 }
 286
 287
 288 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 289 {
 290         int retval;
 291         u32 val;
 292
 293         cx_writeb(P1_RADDR0, (unsigned int)address);
 294         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 295         cx_writeb(P1_RRDWR, 0);
 296         cx_read(P1_RADDR0);
 297
 298         retval  = wait_ready_gpio0_bit1(core,1);
 299         val     = (unsigned char)cx_read(P1_RDATA0);
 300         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 301         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
 302         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
 303
 304         *value  = val;
 305         return retval;
 306 }
 307
 308 /* ------------------------------------------------------------------ */
 309
 310 static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
 311 {
 312         struct cx8802_dev *dev = priv;
 313         unsigned long timeout;
 314         u32 value, flag, retval;
 315         int i;
 316
 317         dprintk(1,"%s: 0x%X\n", __func__, command);
 318
 319         /* this may not be 100% safe if we can't read any memory location
 320            without side effects */
 321         memory_read(dev->core, dev->mailbox - 4, &value);
 322         if (value != 0x12345678) {
 323                 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
 324                 return -1;
 325         }
 326
 327         memory_read(dev->core, dev->mailbox, &flag);
 328         if (flag) {
 329                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 330                 return -1;
 331         }
 332
 333         flag |= 1; /* tell 'em we're working on it */
 334         memory_write(dev->core, dev->mailbox, flag);
 335
 336         /* write command + args + fill remaining with zeros */
 337         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 338         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
 339         for (i = 0; i < in; i++) {
 340                 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
 341                 dprintk(1, "API Input %d = %d\n", i, data[i]);
 342         }
 343         for (; i < CX2341X_MBOX_MAX_DATA; i++)
 344                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
 345
 346         flag |= 3; /* tell 'em we're done writing */
 347         memory_write(dev->core, dev->mailbox, flag);
 348
 349         /* wait for firmware to handle the API command */
 350         timeout = jiffies + msecs_to_jiffies(10);
 351         for (;;) {
 352                 memory_read(dev->core, dev->mailbox, &flag);
 353                 if (0 != (flag & 4))
 354                         break;
 355                 if (time_after(jiffies,timeout)) {
 356                         dprintk(0, "ERROR: API Mailbox timeout\n");
 357                         return -1;
 358                 }
 359                 udelay(10);
 360         }
 361
 362         /* read output values */
 363         for (i = 0; i < out; i++) {
 364                 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
 365                 dprintk(1, "API Output %d = %d\n", i, data[i]);
 366         }
 367
 368         memory_read(dev->core, dev->mailbox + 2, &retval);
 369         dprintk(1, "API result = %d\n",retval);
 370
 371         flag = 0;
 372         memory_write(dev->core, dev->mailbox, flag);
 373         return retval;
 374 }
 375 /* ------------------------------------------------------------------ */
 376
 377 /* We don't need to call the API often, so using just one mailbox will probably suffice */
 378 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 379                              u32 inputcnt, u32 outputcnt, ...)
 380 {
 381         u32 data[CX2341X_MBOX_MAX_DATA];
 382         va_list vargs;
 383         int i, err;
 384
 385         va_start(vargs, outputcnt);
 386
 387         for (i = 0; i < inputcnt; i++) {
 388                 data[i] = va_arg(vargs, int);
 389         }
 390         err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
 391         for (i = 0; i < outputcnt; i++) {
 392                 int *vptr = va_arg(vargs, int *);
 393                 *vptr = data[i];
 394         }
 395         va_end(vargs);
 396         return err;
 397 }
 398
 399 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 400 {
 401         u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
 402         int signaturecnt=0;
 403         u32 value;
 404         int i;
 405
 406         for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 407                 memory_read(dev->core, i, &value);
 408                 if (value == signature[signaturecnt])
 409                         signaturecnt++;
 410                 else
 411                         signaturecnt = 0;
 412                 if (4 == signaturecnt) {
 413                         dprintk(1, "Mailbox signature found\n");
 414                         return i+1;
 415                 }
 416         }
 417         dprintk(0, "Mailbox signature values not found!\n");
 418         return -1;
 419 }
 420
 421 static int blackbird_load_firmware(struct cx8802_dev *dev)
 422 {
 423         static const unsigned char magic[8] = {
 424                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 425         };
 426         const struct firmware *firmware;
 427         int i, retval = 0;
 428         u32 value = 0;
 429         u32 checksum = 0;
 430         u32 *dataptr;
 431
 432         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 433         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 434         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
 435         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 436         msleep(1);
 437         retval |= register_write(dev->core, IVTV_REG_APU, 0);
 438
 439         if (retval < 0)
 440                 dprintk(0, "Error with register_write\n");
 441
 442         retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
 443                                   &dev->pci->dev);
 444
 445
 446         if (retval != 0) {
 447                 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
 448                         CX2341X_FIRM_ENC_FILENAME);
 449                 dprintk(0, "Please fix your hotplug setup, the board will "
 450                         "not work without firmware loaded!\n");
 451                 return -1;
 452         }
 453
 454         if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 455                 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
 456                         firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 457                 release_firmware(firmware);
 458                 return -1;
 459         }
 460
 461         if (0 != memcmp(firmware->data, magic, 8)) {
 462                 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
 463                 release_firmware(firmware);
 464                 return -1;
 465         }
 466
 467         /* transfer to the chip */
 468         dprintk(1,"Loading firmware ...\n");
 469         dataptr = (u32*)firmware->data;
 470         for (i = 0; i < (firmware->size >> 2); i++) {
 471                 value = *dataptr;
 472                 checksum += ~value;
 473                 memory_write(dev->core, i, value);
 474                 dataptr++;
 475         }
 476
 477         /* read back to verify with the checksum */
 478         for (i--; i >= 0; i--) {
 479                 memory_read(dev->core, i, &value);
 480                 checksum -= ~value;
 481         }
 482         if (checksum) {
 483                 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
 484                 release_firmware(firmware);
 485                 return -1;
 486         }
 487         release_firmware(firmware);
 488         dprintk(0, "Firmware upload successful.\n");
 489
 490         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 491         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 492         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 493         msleep(1);
 494
 495         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 496         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 497
 498         if (retval < 0)
 499                 dprintk(0, "Error with register_write\n");
 500         return 0;
 501 }
 502
 503 /**
 504  Settings used by the windows tv app for PVR2000:
 505 =================================================================================================================
 506 Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 507 -----------------------------------------------------------------------------------------------------------------
 508 MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 509 MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 510 VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 511 DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 512 DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 513 =================================================================================================================
 514 *DB: "DirectBurn"
 515 */
 516
 517 static void blackbird_codec_settings(struct cx8802_dev *dev)
 518 {
 519         /* assign frame size */
 520         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 521                                 dev->height, dev->width);
 522
 523         dev->params.width = dev->width;
 524         dev->params.height = dev->height;
 525         dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
 526
 527         cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
 528 }
 529
 530 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 531 {
 532         struct cx88_core *core = dev->core;
 533         int version;
 534         int retval;
 535
 536         dprintk(1,"Initialize codec\n");
 537         retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 538         if (retval < 0) {
 539
 540                 dev->mpeg_active = 0;
 541
 542                 /* ping was not successful, reset and upload firmware */
 543                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 544                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 545                 retval = blackbird_load_firmware(dev);
 546                 if (retval < 0)
 547                         return retval;
 548
 549                 retval = blackbird_find_mailbox(dev);
 550                 if (retval < 0)
 551                         return -1;
 552
 553                 dev->mailbox = retval;
 554
 555                 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 556                 if (retval < 0) {
 557                         dprintk(0, "ERROR: Firmware ping failed!\n");
 558                         return -1;
 559                 }
 560
 561                 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
 562                 if (retval < 0) {
 563                         dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 564                         return -1;
 565                 }
 566                 dprintk(0, "Firmware version is 0x%08x\n", version);
 567         }
 568
 569         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 570         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 571         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 572         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 573
 574         blackbird_codec_settings(dev);
 575
 576         blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
 577                         BLACKBIRD_FIELD1_SAA7115,
 578                         BLACKBIRD_FIELD2_SAA7115
 579                 );
 580
 581         blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
 582                         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 583                         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 584
 585         return 0;
 586 }
 587
 588 static int blackbird_start_codec(struct file *file, void *priv)
 589 {
 590         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 591         struct cx88_core *core = dev->core;
 592         /* start capturing to the host interface */
 593         u32 reg;
 594
 595         int i;
 596         int lastchange = -1;
 597         int lastval = 0;
 598
 599         for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
 600                 reg = cx_read(AUD_STATUS);
 601
 602                 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
 603                 if ((reg & 0x0F) != lastval) {
 604                         lastval = reg & 0x0F;
 605                         lastchange = i;
 606                 }
 607                 msleep(100);
 608         }
 609
 610         /* unmute audio source */
 611         cx_clear(AUD_VOL_CTL, (1 << 6));
 612
 613         blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
 614
 615         /* initialize the video input */
 616         blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
 617
 618         /* start capturing to the host interface */
 619         blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
 620                         BLACKBIRD_MPEG_CAPTURE,
 621                         BLACKBIRD_RAW_BITS_NONE
 622                 );
 623
 624         dev->mpeg_active = 1;
 625         return 0;
 626 }
 627
 628 static int blackbird_stop_codec(struct cx8802_dev *dev)
 629 {
 630         blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
 631                         BLACKBIRD_END_NOW,
 632                         BLACKBIRD_MPEG_CAPTURE,
 633                         BLACKBIRD_RAW_BITS_NONE
 634                 );
 635
 636         dev->mpeg_active = 0;
 637         return 0;
 638 }
 639
 640 /* ------------------------------------------------------------------ */
 641
 642 static int bb_buf_setup(struct videobuf_queue *q,
 643                         unsigned int *count, unsigned int *size)
 644 {
 645         struct cx8802_fh *fh = q->priv_data;
 646
 647         fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
 648         fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
 649
 650         *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
 651         *count = fh->dev->ts_packet_count;
 652         return 0;
 653 }
 654
 655 static int
 656 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 657                enum v4l2_field field)
 658 {
 659         struct cx8802_fh *fh = q->priv_data;
 660         return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
 661 }
 662
 663 static void
 664 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 665 {
 666         struct cx8802_fh *fh = q->priv_data;
 667         cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
 668 }
 669
 670 static void
 671 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 672 {
 673         cx88_free_buffer(q, (struct cx88_buffer*)vb);
 674 }
 675
 676 static struct videobuf_queue_ops blackbird_qops = {
 677         .buf_setup    = bb_buf_setup,
 678         .buf_prepare  = bb_buf_prepare,
 679         .buf_queue    = bb_buf_queue,
 680         .buf_release  = bb_buf_release,
 681 };
 682
 683 /* ------------------------------------------------------------------ */
 684
 685 static const u32 *ctrl_classes[] = {
 686         cx88_user_ctrls,
 687         cx2341x_mpeg_ctrls,
 688         NULL
 689 };
 690
 691 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
 692 {
 693         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 694         if (qctrl->id == 0)
 695                 return -EINVAL;
 696
 697         /* Standard V4L2 controls */
 698         if (cx8800_ctrl_query(dev->core, qctrl) == 0)
 699                 return 0;
 700
 701         /* MPEG V4L2 controls */
 702         if (cx2341x_ctrl_query(&dev->params, qctrl))
 703                 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
 704         return 0;
 705 }
 706
 707 /* ------------------------------------------------------------------ */
 708 /* IOCTL Handlers                                                     */
 709
 710 static int vidioc_querymenu (struct file *file, void *priv,
 711                                 struct v4l2_querymenu *qmenu)
 712 {
 713         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 714         struct v4l2_queryctrl qctrl;
 715
 716         qctrl.id = qmenu->id;
 717         blackbird_queryctrl(dev, &qctrl);
 718         return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
 719 }
 720
 721 static int vidioc_querycap (struct file *file, void  *priv,
 722                                         struct v4l2_capability *cap)
 723 {
 724         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 725         struct cx88_core  *core = dev->core;
 726
 727         strcpy(cap->driver, "cx88_blackbird");
 728         strlcpy(cap->card, core->board.name, sizeof(cap->card));
 729         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
 730         cap->version = CX88_VERSION_CODE;
 731         cap->capabilities =
 732                 V4L2_CAP_VIDEO_CAPTURE |
 733                 V4L2_CAP_READWRITE     |
 734                 V4L2_CAP_STREAMING;
 735         if (UNSET != core->board.tuner_type)
 736                 cap->capabilities |= V4L2_CAP_TUNER;
 737         return 0;
 738 }
 739
 740 static int vidioc_enum_fmt_cap (struct file *file, void  *priv,
 741                                         struct v4l2_fmtdesc *f)
 742 {
 743         if (f->index != 0)
 744                 return -EINVAL;
 745
 746         strlcpy(f->description, "MPEG", sizeof(f->description));
 747         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 748         f->pixelformat = V4L2_PIX_FMT_MPEG;
 749         return 0;
 750 }
 751
 752 static int vidioc_g_fmt_cap (struct file *file, void *priv,
 753                                         struct v4l2_format *f)
 754 {
 755         struct cx8802_fh  *fh   = priv;
 756         struct cx8802_dev *dev  = fh->dev;
 757
 758         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 759         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 760         f->fmt.pix.bytesperline = 0;
 761         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
 762         f->fmt.pix.colorspace   = 0;
 763         f->fmt.pix.width        = dev->width;
 764         f->fmt.pix.height       = dev->height;
 765         f->fmt.pix.field        = fh->mpegq.field;
 766         dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
 767                 dev->width, dev->height, fh->mpegq.field );
 768         return 0;
 769 }
 770
 771 static int vidioc_try_fmt_cap (struct file *file, void *priv,
 772                         struct v4l2_format *f)
 773 {
 774         struct cx8802_fh  *fh   = priv;
 775         struct cx8802_dev *dev  = fh->dev;
 776
 777         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 778         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 779         f->fmt.pix.bytesperline = 0;
 780         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 781         f->fmt.pix.colorspace   = 0;
 782         dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
 783                 dev->width, dev->height, fh->mpegq.field );
 784         return 0;
 785 }
 786
 787 static int vidioc_s_fmt_cap (struct file *file, void *priv,
 788                                         struct v4l2_format *f)
 789 {
 790         struct cx8802_fh  *fh   = priv;
 791         struct cx8802_dev *dev  = fh->dev;
 792         struct cx88_core  *core = dev->core;
 793
 794         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 795         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 796         f->fmt.pix.bytesperline = 0;
 797         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 798         f->fmt.pix.colorspace   = 0;
 799         dev->width              = f->fmt.pix.width;
 800         dev->height             = f->fmt.pix.height;
 801         fh->mpegq.field         = f->fmt.pix.field;
 802         cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
 803         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 804                                 f->fmt.pix.height, f->fmt.pix.width);
 805         dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
 806                 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
 807         return 0;
 808 }
 809
 810 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
 811 {
 812         struct cx8802_fh  *fh   = priv;
 813         return (videobuf_reqbufs(&fh->mpegq, p));
 814 }
 815
 816 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
 817 {
 818         struct cx8802_fh  *fh   = priv;
 819         return (videobuf_querybuf(&fh->mpegq, p));
 820 }
 821
 822 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 823 {
 824         struct cx8802_fh  *fh   = priv;
 825         return (videobuf_qbuf(&fh->mpegq, p));
 826 }
 827
 828 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 829 {
 830         struct cx8802_fh  *fh   = priv;
 831         return (videobuf_dqbuf(&fh->mpegq, p,
 832                                 file->f_flags & O_NONBLOCK));
 833 }
 834
 835 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 836 {
 837         struct cx8802_fh  *fh   = priv;
 838         return videobuf_streamon(&fh->mpegq);
 839 }
 840
 841 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
 842 {
 843         struct cx8802_fh  *fh   = priv;
 844         return videobuf_streamoff(&fh->mpegq);
 845 }
 846
 847 static int vidioc_g_ext_ctrls (struct file *file, void *priv,
 848                                struct v4l2_ext_controls *f)
 849 {
 850         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 851
 852         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 853                 return -EINVAL;
 854         return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS);
 855 }
 856
 857 static int vidioc_s_ext_ctrls (struct file *file, void *priv,
 858                                struct v4l2_ext_controls *f)
 859 {
 860         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 861         struct cx2341x_mpeg_params p;
 862         int err;
 863
 864         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 865                 return -EINVAL;
 866
 867         if (dev->mpeg_active)
 868                 blackbird_stop_codec(dev);
 869
 870         p = dev->params;
 871         err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
 872         if (!err) {
 873                 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
 874                 dev->params = p;
 875         }
 876         return err;
 877 }
 878
 879 static int vidioc_try_ext_ctrls (struct file *file, void *priv,
 880                                struct v4l2_ext_controls *f)
 881 {
 882         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 883         struct cx2341x_mpeg_params p;
 884         int err;
 885
 886         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 887                 return -EINVAL;
 888         p = dev->params;
 889         err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
 890
 891         return err;
 892 }
 893
 894 static int vidioc_s_frequency (struct file *file, void *priv,
 895                                 struct v4l2_frequency *f)
 896 {
 897         struct cx8802_fh  *fh   = priv;
 898         struct cx8802_dev *dev  = fh->dev;
 899         struct cx88_core  *core = dev->core;
 900
 901         if (dev->mpeg_active)
 902                 blackbird_stop_codec(dev);
 903
 904         cx88_set_freq (core,f);
 905         blackbird_initialize_codec(dev);
 906         cx88_set_scale(dev->core, dev->width, dev->height,
 907                         fh->mpegq.field);
 908         return 0;
 909 }
 910
 911 static int vidioc_log_status (struct file *file, void *priv)
 912 {
 913         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 914         struct cx88_core  *core = dev->core;
 915         char name[32 + 2];
 916
 917         snprintf(name, sizeof(name), "%s/2", core->name);
 918         printk("%s/2: ============  START LOG STATUS  ============\n",
 919                 core->name);
 920         cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
 921         cx2341x_log_status(&dev->params, name);
 922         printk("%s/2: =============  END LOG STATUS  =============\n",
 923                 core->name);
 924         return 0;
 925 }
 926
 927 static int vidioc_queryctrl (struct file *file, void *priv,
 928                                 struct v4l2_queryctrl *qctrl)
 929 {
 930         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 931
 932         if (blackbird_queryctrl(dev, qctrl) == 0)
 933                 return 0;
 934
 935         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 936         if (unlikely(qctrl->id == 0))
 937                 return -EINVAL;
 938         return cx8800_ctrl_query(dev->core, qctrl);
 939 }
 940
 941 static int vidioc_enum_input (struct file *file, void *priv,
 942                                 struct v4l2_input *i)
 943 {
 944         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 945         return cx88_enum_input (core,i);
 946 }
 947
 948 static int vidioc_g_ctrl (struct file *file, void *priv,
 949                                 struct v4l2_control *ctl)
 950 {
 951         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 952         return
 953                 cx88_get_control(core,ctl);
 954 }
 955
 956 static int vidioc_s_ctrl (struct file *file, void *priv,
 957                                 struct v4l2_control *ctl)
 958 {
 959         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 960         return
 961                 cx88_set_control(core,ctl);
 962 }
 963
 964 static int vidioc_g_frequency (struct file *file, void *priv,
 965                                 struct v4l2_frequency *f)
 966 {
 967         struct cx8802_fh  *fh   = priv;
 968         struct cx88_core  *core = fh->dev->core;
 969
 970         if (unlikely(UNSET == core->board.tuner_type))
 971                 return -EINVAL;
 972
 973         f->type = V4L2_TUNER_ANALOG_TV;
 974         f->frequency = core->freq;
 975         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
 976
 977         return 0;
 978 }
 979
 980 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
 981 {
 982         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 983
 984         *i = core->input;
 985         return 0;
 986 }
 987
 988 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
 989 {
 990         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 991
 992         if (i >= 4)
 993                 return -EINVAL;
 994
 995         mutex_lock(&core->lock);
 996         cx88_newstation(core);
 997         cx88_video_mux(core,i);
 998         mutex_unlock(&core->lock);
 999         return 0;
1000 }
1001
1002 static int vidioc_g_tuner (struct file *file, void *priv,
1003                                 struct v4l2_tuner *t)
1004 {
1005         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1006         u32 reg;
1007
1008         if (unlikely(UNSET == core->board.tuner_type))
1009                 return -EINVAL;
1010         if (0 != t->index)
1011                 return -EINVAL;
1012
1013         strcpy(t->name, "Television");
1014         t->type       = V4L2_TUNER_ANALOG_TV;
1015         t->capability = V4L2_TUNER_CAP_NORM;
1016         t->rangehigh  = 0xffffffffUL;
1017
1018         cx88_get_stereo(core ,t);
1019         reg = cx_read(MO_DEVICE_STATUS);
1020         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1021         return 0;
1022 }
1023
1024 static int vidioc_s_tuner (struct file *file, void *priv,
1025                                 struct v4l2_tuner *t)
1026 {
1027         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1028
1029         if (UNSET == core->board.tuner_type)
1030                 return -EINVAL;
1031         if (0 != t->index)
1032                 return -EINVAL;
1033
1034         cx88_set_stereo(core, t->audmode, 1);
1035         return 0;
1036 }
1037
1038 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1039 {
1040         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1041
1042         mutex_lock(&core->lock);
1043         cx88_set_tvnorm(core,*id);
1044         mutex_unlock(&core->lock);
1045         return 0;
1046 }
1047
1048 /* FIXME: cx88_ioctl_hook not implemented */
1049
1050 static int mpeg_open(struct inode *inode, struct file *file)
1051 {
1052         int minor = iminor(inode);
1053         struct cx8802_dev *dev = NULL;
1054         struct cx8802_fh *fh;
1055         struct cx8802_driver *drv = NULL;
1056         int err;
1057
1058         dev = cx8802_get_device(inode);
1059
1060         dprintk( 1, "%s\n", __func__);
1061
1062         if (dev == NULL)
1063                 return -ENODEV;
1064
1065         /* Make sure we can acquire the hardware */
1066         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1067         if (drv) {
1068                 err = drv->request_acquire(drv);
1069                 if(err != 0) {
1070                         dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
1071                         return err;
1072                 }
1073         }
1074
1075         if (blackbird_initialize_codec(dev) < 0) {
1076                 if (drv)
1077                         drv->request_release(drv);
1078                 return -EINVAL;
1079         }
1080         dprintk(1,"open minor=%d\n",minor);
1081
1082         /* allocate + initialize per filehandle data */
1083         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1084         if (NULL == fh) {
1085                 if (drv)
1086                         drv->request_release(drv);
1087                 return -ENOMEM;
1088         }
1089         file->private_data = fh;
1090         fh->dev      = dev;
1091
1092         videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
1093                             &dev->pci->dev, &dev->slock,
1094                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1095                             V4L2_FIELD_INTERLACED,
1096                             sizeof(struct cx88_buffer),
1097                             fh);
1098
1099         /* FIXME: locking against other video device */
1100         cx88_set_scale(dev->core, dev->width, dev->height,
1101                         fh->mpegq.field);
1102
1103         return 0;
1104 }
1105
1106 static int mpeg_release(struct inode *inode, struct file *file)
1107 {
1108         struct cx8802_fh  *fh  = file->private_data;
1109         struct cx8802_dev *dev = fh->dev;
1110         struct cx8802_driver *drv = NULL;
1111
1112         if (dev->mpeg_active)
1113                 blackbird_stop_codec(dev);
1114
1115         cx8802_cancel_buffers(fh->dev);
1116         /* stop mpeg capture */
1117         videobuf_stop(&fh->mpegq);
1118
1119         videobuf_mmap_free(&fh->mpegq);
1120         file->private_data = NULL;
1121         kfree(fh);
1122
1123         /* Make sure we release the hardware */
1124         dev = cx8802_get_device(inode);
1125         if (dev == NULL)
1126                 return -ENODEV;
1127
1128         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1129         if (drv)
1130                 drv->request_release(drv);
1131
1132         return 0;
1133 }
1134
1135 static ssize_t
1136 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1137 {
1138         struct cx8802_fh *fh = file->private_data;
1139         struct cx8802_dev *dev = fh->dev;
1140
1141         if (!dev->mpeg_active)
1142                 blackbird_start_codec(file, fh);
1143
1144         return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1145                                     file->f_flags & O_NONBLOCK);
1146 }
1147
1148 static unsigned int
1149 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1150 {
1151         struct cx8802_fh *fh = file->private_data;
1152
1153         return videobuf_poll_stream(file, &fh->mpegq, wait);
1154 }
1155
1156 static int
1157 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1158 {
1159         struct cx8802_fh *fh = file->private_data;
1160
1161         return videobuf_mmap_mapper(&fh->mpegq, vma);
1162 }
1163
1164 static const struct file_operations mpeg_fops =
1165 {
1166         .owner         = THIS_MODULE,
1167         .open          = mpeg_open,
1168         .release       = mpeg_release,
1169         .read          = mpeg_read,
1170         .poll          = mpeg_poll,
1171         .mmap          = mpeg_mmap,
1172         .ioctl         = video_ioctl2,
1173         .llseek        = no_llseek,
1174 };
1175
1176 static struct video_device cx8802_mpeg_template =
1177 {
1178         .name                 = "cx8802",
1179         .type                 = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
1180         .fops                 = &mpeg_fops,
1181         .minor                = -1,
1182         .vidioc_querymenu     = vidioc_querymenu,
1183         .vidioc_querycap      = vidioc_querycap,
1184         .vidioc_enum_fmt_cap  = vidioc_enum_fmt_cap,
1185         .vidioc_g_fmt_cap     = vidioc_g_fmt_cap,
1186         .vidioc_try_fmt_cap   = vidioc_try_fmt_cap,
1187         .vidioc_s_fmt_cap     = vidioc_s_fmt_cap,
1188         .vidioc_reqbufs       = vidioc_reqbufs,
1189         .vidioc_querybuf      = vidioc_querybuf,
1190         .vidioc_qbuf          = vidioc_qbuf,
1191         .vidioc_dqbuf         = vidioc_dqbuf,
1192         .vidioc_streamon      = vidioc_streamon,
1193         .vidioc_streamoff     = vidioc_streamoff,
1194         .vidioc_g_ext_ctrls   = vidioc_g_ext_ctrls,
1195         .vidioc_s_ext_ctrls   = vidioc_s_ext_ctrls,
1196         .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1197         .vidioc_s_frequency   = vidioc_s_frequency,
1198         .vidioc_log_status    = vidioc_log_status,
1199         .vidioc_queryctrl     = vidioc_queryctrl,
1200         .vidioc_enum_input    = vidioc_enum_input,
1201         .vidioc_g_ctrl        = vidioc_g_ctrl,
1202         .vidioc_s_ctrl        = vidioc_s_ctrl,
1203         .vidioc_g_frequency   = vidioc_g_frequency,
1204         .vidioc_g_input       = vidioc_g_input,
1205         .vidioc_s_input       = vidioc_s_input,
1206         .vidioc_g_tuner       = vidioc_g_tuner,
1207         .vidioc_s_tuner       = vidioc_s_tuner,
1208         .vidioc_s_std         = vidioc_s_std,
1209         .tvnorms              = CX88_NORMS,
1210         .current_norm         = V4L2_STD_NTSC_M,
1211 };
1212
1213 /* ------------------------------------------------------------------ */
1214
1215 /* The CX8802 MPEG API will call this when we can use the hardware */
1216 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1217 {
1218         struct cx88_core *core = drv->core;
1219         int err = 0;
1220
1221         switch (core->boardnr) {
1222         case CX88_BOARD_HAUPPAUGE_HVR1300:
1223                 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1224                  * We left the hardware on power up with the cx22702 active.
1225                  * We're being given access to re-arrange the GPIOs.
1226                  * Take the bus off the cx22702 and put the cx23416 on it.
1227                  */
1228                 cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
1229                 cx_set(MO_GP0_IO,   0x00000004); /* Disable the cx22702 */
1230                 break;
1231         default:
1232                 err = -ENODEV;
1233         }
1234         return err;
1235 }
1236
1237 /* The CX8802 MPEG API will call this when we need to release the hardware */
1238 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1239 {
1240         struct cx88_core *core = drv->core;
1241         int err = 0;
1242
1243         switch (core->boardnr) {
1244         case CX88_BOARD_HAUPPAUGE_HVR1300:
1245                 /* Exit leaving the cx23416 on the bus */
1246                 break;
1247         default:
1248                 err = -ENODEV;
1249         }
1250         return err;
1251 }
1252
1253 static void blackbird_unregister_video(struct cx8802_dev *dev)
1254 {
1255         if (dev->mpeg_dev) {
1256                 if (-1 != dev->mpeg_dev->minor)
1257                         video_unregister_device(dev->mpeg_dev);
1258                 else
1259                         video_device_release(dev->mpeg_dev);
1260                 dev->mpeg_dev = NULL;
1261         }
1262 }
1263
1264 static int blackbird_register_video(struct cx8802_dev *dev)
1265 {
1266         int err;
1267
1268         dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1269                                        &cx8802_mpeg_template,"mpeg");
1270         err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1271         if (err < 0) {
1272                 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1273                        dev->core->name);
1274                 return err;
1275         }
1276         printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1277                dev->core->name,dev->mpeg_dev->minor & 0x1f);
1278         return 0;
1279 }
1280
1281 /* ----------------------------------------------------------- */
1282
1283 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1284 {
1285         struct cx88_core *core = drv->core;
1286         struct cx8802_dev *dev = core->dvbdev;
1287         int err;
1288
1289         dprintk( 1, "%s\n", __func__);
1290         dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1291                 core->boardnr,
1292                 core->name,
1293                 core->pci_bus,
1294                 core->pci_slot);
1295
1296         err = -ENODEV;
1297         if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1298                 goto fail_core;
1299
1300         dev->width = 720;
1301         dev->height = 576;
1302         cx2341x_fill_defaults(&dev->params);
1303         dev->params.port = CX2341X_PORT_STREAMING;
1304
1305         cx8802_mpeg_template.current_norm = core->tvnorm;
1306
1307         if (core->tvnorm & V4L2_STD_525_60) {
1308                 dev->height = 480;
1309         } else {
1310                 dev->height = 576;
1311         }
1312
1313         /* blackbird stuff */
1314         printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1315                core->name);
1316         host_setup(dev->core);
1317
1318         blackbird_initialize_codec(dev);
1319         blackbird_register_video(dev);
1320
1321         /* initial device configuration: needed ? */
1322         mutex_lock(&dev->core->lock);
1323 //      init_controls(core);
1324         cx88_set_tvnorm(core,core->tvnorm);
1325         cx88_video_mux(core,0);
1326         mutex_unlock(&dev->core->lock);
1327
1328         return 0;
1329
1330  fail_core:
1331         return err;
1332 }
1333
1334 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1335 {
1336         /* blackbird */
1337         blackbird_unregister_video(drv->core->dvbdev);
1338
1339         return 0;
1340 }
1341
1342 static struct cx8802_driver cx8802_blackbird_driver = {
1343         .type_id        = CX88_MPEG_BLACKBIRD,
1344         .hw_access      = CX8802_DRVCTL_SHARED,
1345         .probe          = cx8802_blackbird_probe,
1346         .remove         = cx8802_blackbird_remove,
1347         .advise_acquire = cx8802_blackbird_advise_acquire,
1348         .advise_release = cx8802_blackbird_advise_release,
1349 };
1350
1351 static int blackbird_init(void)
1352 {
1353         printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1354                (CX88_VERSION_CODE >> 16) & 0xff,
1355                (CX88_VERSION_CODE >>  8) & 0xff,
1356                CX88_VERSION_CODE & 0xff);
1357 #ifdef SNAPSHOT
1358         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1359                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1360 #endif
1361         return cx8802_register_driver(&cx8802_blackbird_driver);
1362 }
1363
1364 static void blackbird_fini(void)
1365 {
1366         cx8802_unregister_driver(&cx8802_blackbird_driver);
1367 }
1368
1369 module_init(blackbird_init);
1370 module_exit(blackbird_fini);
1371
1372 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1373 MODULE_PARM_DESC(debug,"enable debug messages [video]");
1374
1375 /* ----------------------------------------------------------- */
1376 /*
1377  * Local variables:
1378  * c-basic-offset: 8
1379  * End:
1380  * 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
1381  */