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.us>
   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://sourceforge.net/projects/ivtv/>
  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/slab.h>
  32 #include <linux/fs.h>
  33 #include <linux/delay.h>
  34 #include <linux/device.h>
  35 #include <linux/firmware.h>
  36 #include <linux/smp_lock.h>
  37 #include <media/v4l2-common.h>
  38 #include <media/v4l2-ioctl.h>
  39 #include <media/cx2341x.h>
  40
  41 #include "cx88.h"
  42
  43 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
  44 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  45 MODULE_LICENSE("GPL");
  46
  47 static unsigned int mpegbufs = 32;
  48 module_param(mpegbufs,int,0644);
  49 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
  50
  51 static unsigned int debug;
  52 module_param(debug,int,0644);
  53 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
  54
  55 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  56         printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
  57
  58
  59 /* ------------------------------------------------------------------ */
  60
  61 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
  62
  63 /* defines below are from ivtv-driver.h */
  64
  65 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
  66
  67 /* Firmware API commands */
  68 #define IVTV_API_STD_TIMEOUT 500
  69
  70 enum blackbird_capture_type {
  71         BLACKBIRD_MPEG_CAPTURE,
  72         BLACKBIRD_RAW_CAPTURE,
  73         BLACKBIRD_RAW_PASSTHRU_CAPTURE
  74 };
  75 enum blackbird_capture_bits {
  76         BLACKBIRD_RAW_BITS_NONE             = 0x00,
  77         BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
  78         BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
  79         BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
  80         BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
  81         BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
  82 };
  83 enum blackbird_capture_end {
  84         BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
  85         BLACKBIRD_END_NOW, /* stop immediately, no irq */
  86 };
  87 enum blackbird_framerate {
  88         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
  89         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
  90 };
  91 enum blackbird_stream_port {
  92         BLACKBIRD_OUTPUT_PORT_MEMORY,
  93         BLACKBIRD_OUTPUT_PORT_STREAMING,
  94         BLACKBIRD_OUTPUT_PORT_SERIAL
  95 };
  96 enum blackbird_data_xfer_status {
  97         BLACKBIRD_MORE_BUFFERS_FOLLOW,
  98         BLACKBIRD_LAST_BUFFER,
  99 };
 100 enum blackbird_picture_mask {
 101         BLACKBIRD_PICTURE_MASK_NONE,
 102         BLACKBIRD_PICTURE_MASK_I_FRAMES,
 103         BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
 104         BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
 105 };
 106 enum blackbird_vbi_mode_bits {
 107         BLACKBIRD_VBI_BITS_SLICED,
 108         BLACKBIRD_VBI_BITS_RAW,
 109 };
 110 enum blackbird_vbi_insertion_bits {
 111         BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 112         BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 113         BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 114         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 115         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 116 };
 117 enum blackbird_dma_unit {
 118         BLACKBIRD_DMA_BYTES,
 119         BLACKBIRD_DMA_FRAMES,
 120 };
 121 enum blackbird_dma_transfer_status_bits {
 122         BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
 123         BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
 124         BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 125 };
 126 enum blackbird_pause {
 127         BLACKBIRD_PAUSE_ENCODING,
 128         BLACKBIRD_RESUME_ENCODING,
 129 };
 130 enum blackbird_copyright {
 131         BLACKBIRD_COPYRIGHT_OFF,
 132         BLACKBIRD_COPYRIGHT_ON,
 133 };
 134 enum blackbird_notification_type {
 135         BLACKBIRD_NOTIFICATION_REFRESH,
 136 };
 137 enum blackbird_notification_status {
 138         BLACKBIRD_NOTIFICATION_OFF,
 139         BLACKBIRD_NOTIFICATION_ON,
 140 };
 141 enum blackbird_notification_mailbox {
 142         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 143 };
 144 enum blackbird_field1_lines {
 145         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 146         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 147         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 148 };
 149 enum blackbird_field2_lines {
 150         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 151         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 152         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 153 };
 154 enum blackbird_custom_data_type {
 155         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 156         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 157 };
 158 enum blackbird_mute {
 159         BLACKBIRD_UNMUTE,
 160         BLACKBIRD_MUTE,
 161 };
 162 enum blackbird_mute_video_mask {
 163         BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
 164         BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
 165         BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
 166 };
 167 enum blackbird_mute_video_shift {
 168         BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
 169         BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
 170         BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
 171 };
 172
 173 /* Registers */
 174 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
 175 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
 176 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
 177 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
 178 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
 179 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
 180
 181 /* ------------------------------------------------------------------ */
 182
 183 static void host_setup(struct cx88_core *core)
 184 {
 185         /* toggle reset of the host */
 186         cx_write(MO_GPHST_SOFT_RST, 1);
 187         udelay(100);
 188         cx_write(MO_GPHST_SOFT_RST, 0);
 189         udelay(100);
 190
 191         /* host port setup */
 192         cx_write(MO_GPHST_WSC, 0x44444444U);
 193         cx_write(MO_GPHST_XFR, 0);
 194         cx_write(MO_GPHST_WDTH, 15);
 195         cx_write(MO_GPHST_HDSHK, 0);
 196         cx_write(MO_GPHST_MUX16, 0x44448888U);
 197         cx_write(MO_GPHST_MODE, 0);
 198 }
 199
 200 /* ------------------------------------------------------------------ */
 201
 202 #define P1_MDATA0 0x390000
 203 #define P1_MDATA1 0x390001
 204 #define P1_MDATA2 0x390002
 205 #define P1_MDATA3 0x390003
 206 #define P1_MADDR2 0x390004
 207 #define P1_MADDR1 0x390005
 208 #define P1_MADDR0 0x390006
 209 #define P1_RDATA0 0x390008
 210 #define P1_RDATA1 0x390009
 211 #define P1_RDATA2 0x39000A
 212 #define P1_RDATA3 0x39000B
 213 #define P1_RADDR0 0x39000C
 214 #define P1_RADDR1 0x39000D
 215 #define P1_RRDWR  0x39000E
 216
 217 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 218 {
 219         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 220         u32 gpio0,need;
 221
 222         need = state ? 2 : 0;
 223         for (;;) {
 224                 gpio0 = cx_read(MO_GP0_IO) & 2;
 225                 if (need == gpio0)
 226                         return 0;
 227                 if (time_after(jiffies,timeout))
 228                         return -1;
 229                 udelay(1);
 230         }
 231 }
 232
 233 static int memory_write(struct cx88_core *core, u32 address, u32 value)
 234 {
 235         /* Warning: address is dword address (4 bytes) */
 236         cx_writeb(P1_MDATA0, (unsigned int)value);
 237         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
 238         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
 239         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
 240         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
 241         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 242         cx_writeb(P1_MADDR0, (unsigned int)address);
 243         cx_read(P1_MDATA0);
 244         cx_read(P1_MADDR0);
 245
 246         return wait_ready_gpio0_bit1(core,1);
 247 }
 248
 249 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 250 {
 251         int retval;
 252         u32 val;
 253
 254         /* Warning: address is dword address (4 bytes) */
 255         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
 256         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 257         cx_writeb(P1_MADDR0, (unsigned int)address);
 258         cx_read(P1_MADDR0);
 259
 260         retval = wait_ready_gpio0_bit1(core,1);
 261
 262         cx_writeb(P1_MDATA3, 0);
 263         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
 264         cx_writeb(P1_MDATA2, 0);
 265         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
 266         cx_writeb(P1_MDATA1, 0);
 267         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
 268         cx_writeb(P1_MDATA0, 0);
 269         val    |= (unsigned char)cx_read(P1_MDATA0);
 270
 271         *value  = val;
 272         return retval;
 273 }
 274
 275 static int register_write(struct cx88_core *core, u32 address, u32 value)
 276 {
 277         cx_writeb(P1_RDATA0, (unsigned int)value);
 278         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
 279         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
 280         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
 281         cx_writeb(P1_RADDR0, (unsigned int)address);
 282         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 283         cx_writeb(P1_RRDWR, 1);
 284         cx_read(P1_RDATA0);
 285         cx_read(P1_RADDR0);
 286
 287         return wait_ready_gpio0_bit1(core,1);
 288 }
 289
 290
 291 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 292 {
 293         int retval;
 294         u32 val;
 295
 296         cx_writeb(P1_RADDR0, (unsigned int)address);
 297         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 298         cx_writeb(P1_RRDWR, 0);
 299         cx_read(P1_RADDR0);
 300
 301         retval  = wait_ready_gpio0_bit1(core,1);
 302         val     = (unsigned char)cx_read(P1_RDATA0);
 303         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 304         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
 305         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
 306
 307         *value  = val;
 308         return retval;
 309 }
 310
 311 /* ------------------------------------------------------------------ */
 312
 313 static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
 314 {
 315         struct cx8802_dev *dev = priv;
 316         unsigned long timeout;
 317         u32 value, flag, retval;
 318         int i;
 319
 320         dprintk(1,"%s: 0x%X\n", __func__, command);
 321
 322         /* this may not be 100% safe if we can't read any memory location
 323            without side effects */
 324         memory_read(dev->core, dev->mailbox - 4, &value);
 325         if (value != 0x12345678) {
 326                 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
 327                 return -1;
 328         }
 329
 330         memory_read(dev->core, dev->mailbox, &flag);
 331         if (flag) {
 332                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 333                 return -1;
 334         }
 335
 336         flag |= 1; /* tell 'em we're working on it */
 337         memory_write(dev->core, dev->mailbox, flag);
 338
 339         /* write command + args + fill remaining with zeros */
 340         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 341         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
 342         for (i = 0; i < in; i++) {
 343                 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
 344                 dprintk(1, "API Input %d = %d\n", i, data[i]);
 345         }
 346         for (; i < CX2341X_MBOX_MAX_DATA; i++)
 347                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
 348
 349         flag |= 3; /* tell 'em we're done writing */
 350         memory_write(dev->core, dev->mailbox, flag);
 351
 352         /* wait for firmware to handle the API command */
 353         timeout = jiffies + msecs_to_jiffies(10);
 354         for (;;) {
 355                 memory_read(dev->core, dev->mailbox, &flag);
 356                 if (0 != (flag & 4))
 357                         break;
 358                 if (time_after(jiffies,timeout)) {
 359                         dprintk(0, "ERROR: API Mailbox timeout\n");
 360                         return -1;
 361                 }
 362                 udelay(10);
 363         }
 364
 365         /* read output values */
 366         for (i = 0; i < out; i++) {
 367                 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
 368                 dprintk(1, "API Output %d = %d\n", i, data[i]);
 369         }
 370
 371         memory_read(dev->core, dev->mailbox + 2, &retval);
 372         dprintk(1, "API result = %d\n",retval);
 373
 374         flag = 0;
 375         memory_write(dev->core, dev->mailbox, flag);
 376         return retval;
 377 }
 378 /* ------------------------------------------------------------------ */
 379
 380 /* We don't need to call the API often, so using just one mailbox will probably suffice */
 381 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 382                              u32 inputcnt, u32 outputcnt, ...)
 383 {
 384         u32 data[CX2341X_MBOX_MAX_DATA];
 385         va_list vargs;
 386         int i, err;
 387
 388         va_start(vargs, outputcnt);
 389
 390         for (i = 0; i < inputcnt; i++) {
 391                 data[i] = va_arg(vargs, int);
 392         }
 393         err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
 394         for (i = 0; i < outputcnt; i++) {
 395                 int *vptr = va_arg(vargs, int *);
 396                 *vptr = data[i];
 397         }
 398         va_end(vargs);
 399         return err;
 400 }
 401
 402 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 403 {
 404         u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
 405         int signaturecnt=0;
 406         u32 value;
 407         int i;
 408
 409         for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 410                 memory_read(dev->core, i, &value);
 411                 if (value == signature[signaturecnt])
 412                         signaturecnt++;
 413                 else
 414                         signaturecnt = 0;
 415                 if (4 == signaturecnt) {
 416                         dprintk(1, "Mailbox signature found\n");
 417                         return i+1;
 418                 }
 419         }
 420         dprintk(0, "Mailbox signature values not found!\n");
 421         return -1;
 422 }
 423
 424 static int blackbird_load_firmware(struct cx8802_dev *dev)
 425 {
 426         static const unsigned char magic[8] = {
 427                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 428         };
 429         const struct firmware *firmware;
 430         int i, retval = 0;
 431         u32 value = 0;
 432         u32 checksum = 0;
 433         u32 *dataptr;
 434
 435         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 436         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 437         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
 438         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 439         msleep(1);
 440         retval |= register_write(dev->core, IVTV_REG_APU, 0);
 441
 442         if (retval < 0)
 443                 dprintk(0, "Error with register_write\n");
 444
 445         retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
 446                                   &dev->pci->dev);
 447
 448
 449         if (retval != 0) {
 450                 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
 451                         CX2341X_FIRM_ENC_FILENAME);
 452                 dprintk(0, "Please fix your hotplug setup, the board will "
 453                         "not work without firmware loaded!\n");
 454                 return -1;
 455         }
 456
 457         if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 458                 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
 459                         firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 460                 release_firmware(firmware);
 461                 return -1;
 462         }
 463
 464         if (0 != memcmp(firmware->data, magic, 8)) {
 465                 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
 466                 release_firmware(firmware);
 467                 return -1;
 468         }
 469
 470         /* transfer to the chip */
 471         dprintk(1,"Loading firmware ...\n");
 472         dataptr = (u32*)firmware->data;
 473         for (i = 0; i < (firmware->size >> 2); i++) {
 474                 value = *dataptr;
 475                 checksum += ~value;
 476                 memory_write(dev->core, i, value);
 477                 dataptr++;
 478         }
 479
 480         /* read back to verify with the checksum */
 481         for (i--; i >= 0; i--) {
 482                 memory_read(dev->core, i, &value);
 483                 checksum -= ~value;
 484         }
 485         if (checksum) {
 486                 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
 487                 release_firmware(firmware);
 488                 return -1;
 489         }
 490         release_firmware(firmware);
 491         dprintk(0, "Firmware upload successful.\n");
 492
 493         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 494         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 495         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 496         msleep(1);
 497
 498         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 499         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 500
 501         if (retval < 0)
 502                 dprintk(0, "Error with register_write\n");
 503         return 0;
 504 }
 505
 506 /**
 507  Settings used by the windows tv app for PVR2000:
 508 =================================================================================================================
 509 Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 510 -----------------------------------------------------------------------------------------------------------------
 511 MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 512 MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 513 VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 514 DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 515 DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 516 =================================================================================================================
 517 *DB: "DirectBurn"
 518 */
 519
 520 static void blackbird_codec_settings(struct cx8802_dev *dev)
 521 {
 522         /* assign frame size */
 523         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 524                                 dev->height, dev->width);
 525
 526         dev->params.width = dev->width;
 527         dev->params.height = dev->height;
 528         dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
 529
 530         cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
 531 }
 532
 533 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 534 {
 535         struct cx88_core *core = dev->core;
 536         int version;
 537         int retval;
 538
 539         dprintk(1,"Initialize codec\n");
 540         retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 541         if (retval < 0) {
 542
 543                 dev->mpeg_active = 0;
 544
 545                 /* ping was not successful, reset and upload firmware */
 546                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 547                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 548                 retval = blackbird_load_firmware(dev);
 549                 if (retval < 0)
 550                         return retval;
 551
 552                 retval = blackbird_find_mailbox(dev);
 553                 if (retval < 0)
 554                         return -1;
 555
 556                 dev->mailbox = retval;
 557
 558                 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 559                 if (retval < 0) {
 560                         dprintk(0, "ERROR: Firmware ping failed!\n");
 561                         return -1;
 562                 }
 563
 564                 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
 565                 if (retval < 0) {
 566                         dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 567                         return -1;
 568                 }
 569                 dprintk(0, "Firmware version is 0x%08x\n", version);
 570         }
 571
 572         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 573         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 574         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 575         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 576
 577         blackbird_codec_settings(dev);
 578
 579         blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
 580                         BLACKBIRD_FIELD1_SAA7115,
 581                         BLACKBIRD_FIELD2_SAA7115
 582                 );
 583
 584         blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
 585                         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 586                         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 587
 588         return 0;
 589 }
 590
 591 static int blackbird_start_codec(struct file *file, void *priv)
 592 {
 593         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 594         struct cx88_core *core = dev->core;
 595         /* start capturing to the host interface */
 596         u32 reg;
 597
 598         int i;
 599         int lastchange = -1;
 600         int lastval = 0;
 601
 602         for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
 603                 reg = cx_read(AUD_STATUS);
 604
 605                 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
 606                 if ((reg & 0x0F) != lastval) {
 607                         lastval = reg & 0x0F;
 608                         lastchange = i;
 609                 }
 610                 msleep(100);
 611         }
 612
 613         /* unmute audio source */
 614         cx_clear(AUD_VOL_CTL, (1 << 6));
 615
 616         blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
 617
 618         /* initialize the video input */
 619         blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
 620
 621         /* start capturing to the host interface */
 622         blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
 623                         BLACKBIRD_MPEG_CAPTURE,
 624                         BLACKBIRD_RAW_BITS_NONE
 625                 );
 626
 627         dev->mpeg_active = 1;
 628         return 0;
 629 }
 630
 631 static int blackbird_stop_codec(struct cx8802_dev *dev)
 632 {
 633         blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
 634                         BLACKBIRD_END_NOW,
 635                         BLACKBIRD_MPEG_CAPTURE,
 636                         BLACKBIRD_RAW_BITS_NONE
 637                 );
 638
 639         dev->mpeg_active = 0;
 640         return 0;
 641 }
 642
 643 /* ------------------------------------------------------------------ */
 644
 645 static int bb_buf_setup(struct videobuf_queue *q,
 646                         unsigned int *count, unsigned int *size)
 647 {
 648         struct cx8802_fh *fh = q->priv_data;
 649
 650         fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
 651         fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
 652
 653         *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
 654         *count = fh->dev->ts_packet_count;
 655         return 0;
 656 }
 657
 658 static int
 659 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 660                enum v4l2_field field)
 661 {
 662         struct cx8802_fh *fh = q->priv_data;
 663         return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
 664 }
 665
 666 static void
 667 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 668 {
 669         struct cx8802_fh *fh = q->priv_data;
 670         cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
 671 }
 672
 673 static void
 674 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 675 {
 676         cx88_free_buffer(q, (struct cx88_buffer*)vb);
 677 }
 678
 679 static struct videobuf_queue_ops blackbird_qops = {
 680         .buf_setup    = bb_buf_setup,
 681         .buf_prepare  = bb_buf_prepare,
 682         .buf_queue    = bb_buf_queue,
 683         .buf_release  = bb_buf_release,
 684 };
 685
 686 /* ------------------------------------------------------------------ */
 687
 688 static const u32 *ctrl_classes[] = {
 689         cx88_user_ctrls,
 690         cx2341x_mpeg_ctrls,
 691         NULL
 692 };
 693
 694 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
 695 {
 696         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 697         if (qctrl->id == 0)
 698                 return -EINVAL;
 699
 700         /* Standard V4L2 controls */
 701         if (cx8800_ctrl_query(dev->core, qctrl) == 0)
 702                 return 0;
 703
 704         /* MPEG V4L2 controls */
 705         if (cx2341x_ctrl_query(&dev->params, qctrl))
 706                 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
 707         return 0;
 708 }
 709
 710 /* ------------------------------------------------------------------ */
 711 /* IOCTL Handlers                                                     */
 712
 713 static int vidioc_querymenu (struct file *file, void *priv,
 714                                 struct v4l2_querymenu *qmenu)
 715 {
 716         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 717         struct v4l2_queryctrl qctrl;
 718
 719         qctrl.id = qmenu->id;
 720         blackbird_queryctrl(dev, &qctrl);
 721         return v4l2_ctrl_query_menu(qmenu, &qctrl,
 722                         cx2341x_ctrl_get_menu(&dev->params, qmenu->id));
 723 }
 724
 725 static int vidioc_querycap (struct file *file, void  *priv,
 726                                         struct v4l2_capability *cap)
 727 {
 728         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 729         struct cx88_core  *core = dev->core;
 730
 731         strcpy(cap->driver, "cx88_blackbird");
 732         strlcpy(cap->card, core->board.name, sizeof(cap->card));
 733         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
 734         cap->version = CX88_VERSION_CODE;
 735         cap->capabilities =
 736                 V4L2_CAP_VIDEO_CAPTURE |
 737                 V4L2_CAP_READWRITE     |
 738                 V4L2_CAP_STREAMING;
 739         if (UNSET != core->board.tuner_type)
 740                 cap->capabilities |= V4L2_CAP_TUNER;
 741         return 0;
 742 }
 743
 744 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
 745                                         struct v4l2_fmtdesc *f)
 746 {
 747         if (f->index != 0)
 748                 return -EINVAL;
 749
 750         strlcpy(f->description, "MPEG", sizeof(f->description));
 751         f->pixelformat = V4L2_PIX_FMT_MPEG;
 752         return 0;
 753 }
 754
 755 static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
 756                                         struct v4l2_format *f)
 757 {
 758         struct cx8802_fh  *fh   = priv;
 759         struct cx8802_dev *dev  = fh->dev;
 760
 761         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 762         f->fmt.pix.bytesperline = 0;
 763         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
 764         f->fmt.pix.colorspace   = 0;
 765         f->fmt.pix.width        = dev->width;
 766         f->fmt.pix.height       = dev->height;
 767         f->fmt.pix.field        = fh->mpegq.field;
 768         dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
 769                 dev->width, dev->height, fh->mpegq.field );
 770         return 0;
 771 }
 772
 773 static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
 774                         struct v4l2_format *f)
 775 {
 776         struct cx8802_fh  *fh   = priv;
 777         struct cx8802_dev *dev  = fh->dev;
 778
 779         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 780         f->fmt.pix.bytesperline = 0;
 781         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 782         f->fmt.pix.colorspace   = 0;
 783         dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
 784                 dev->width, dev->height, fh->mpegq.field );
 785         return 0;
 786 }
 787
 788 static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
 789                                         struct v4l2_format *f)
 790 {
 791         struct cx8802_fh  *fh   = priv;
 792         struct cx8802_dev *dev  = fh->dev;
 793         struct cx88_core  *core = dev->core;
 794
 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         call_all(core, core, log_status);
 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         call_all(core, tuner, 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 file *file)
1051 {
1052         struct video_device *vdev = video_devdata(file);
1053         struct cx8802_dev *dev = video_drvdata(file);
1054         struct cx8802_fh *fh;
1055         struct cx8802_driver *drv = NULL;
1056         int err;
1057
1058         dprintk( 1, "%s\n", __func__);
1059
1060         mutex_lock(&dev->core->lock);
1061
1062         /* Make sure we can acquire the hardware */
1063         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1064         if (drv) {
1065                 err = drv->request_acquire(drv);
1066                 if(err != 0) {
1067                         dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
1068                         mutex_unlock(&dev->core->lock);;
1069                         return err;
1070                 }
1071         }
1072
1073         if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) {
1074                 if (drv)
1075                         drv->request_release(drv);
1076                 mutex_unlock(&dev->core->lock);
1077                 return -EINVAL;
1078         }
1079         dprintk(1, "open dev=%s\n", video_device_node_name(vdev));
1080
1081         /* allocate + initialize per filehandle data */
1082         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1083         if (NULL == fh) {
1084                 if (drv)
1085                         drv->request_release(drv);
1086                 mutex_unlock(&dev->core->lock);
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, NULL);
1098
1099         /* FIXME: locking against other video device */
1100         cx88_set_scale(dev->core, dev->width, dev->height,
1101                         fh->mpegq.field);
1102
1103         atomic_inc(&dev->core->mpeg_users);
1104         mutex_unlock(&dev->core->lock);
1105         return 0;
1106 }
1107
1108 static int mpeg_release(struct file *file)
1109 {
1110         struct cx8802_fh  *fh  = file->private_data;
1111         struct cx8802_dev *dev = fh->dev;
1112         struct cx8802_driver *drv = NULL;
1113
1114         if (dev->mpeg_active && atomic_read(&dev->core->mpeg_users) == 1)
1115                 blackbird_stop_codec(dev);
1116
1117         cx8802_cancel_buffers(fh->dev);
1118         /* stop mpeg capture */
1119         videobuf_stop(&fh->mpegq);
1120
1121         videobuf_mmap_free(&fh->mpegq);
1122
1123         mutex_lock(&dev->core->lock);
1124         file->private_data = NULL;
1125         kfree(fh);
1126         mutex_unlock(&dev->core->lock);
1127
1128         /* Make sure we release the hardware */
1129         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1130         if (drv)
1131                 drv->request_release(drv);
1132
1133         atomic_dec(&dev->core->mpeg_users);
1134
1135         return 0;
1136 }
1137
1138 static ssize_t
1139 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1140 {
1141         struct cx8802_fh *fh = file->private_data;
1142         struct cx8802_dev *dev = fh->dev;
1143
1144         if (!dev->mpeg_active)
1145                 blackbird_start_codec(file, fh);
1146
1147         return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1148                                     file->f_flags & O_NONBLOCK);
1149 }
1150
1151 static unsigned int
1152 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1153 {
1154         struct cx8802_fh *fh = file->private_data;
1155         struct cx8802_dev *dev = fh->dev;
1156
1157         if (!dev->mpeg_active)
1158                 blackbird_start_codec(file, fh);
1159
1160         return videobuf_poll_stream(file, &fh->mpegq, wait);
1161 }
1162
1163 static int
1164 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1165 {
1166         struct cx8802_fh *fh = file->private_data;
1167
1168         return videobuf_mmap_mapper(&fh->mpegq, vma);
1169 }
1170
1171 static const struct v4l2_file_operations mpeg_fops =
1172 {
1173         .owner         = THIS_MODULE,
1174         .open          = mpeg_open,
1175         .release       = mpeg_release,
1176         .read          = mpeg_read,
1177         .poll          = mpeg_poll,
1178         .mmap          = mpeg_mmap,
1179         .ioctl         = video_ioctl2,
1180 };
1181
1182 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1183         .vidioc_querymenu     = vidioc_querymenu,
1184         .vidioc_querycap      = vidioc_querycap,
1185         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1186         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1187         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1188         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1189         .vidioc_reqbufs       = vidioc_reqbufs,
1190         .vidioc_querybuf      = vidioc_querybuf,
1191         .vidioc_qbuf          = vidioc_qbuf,
1192         .vidioc_dqbuf         = vidioc_dqbuf,
1193         .vidioc_streamon      = vidioc_streamon,
1194         .vidioc_streamoff     = vidioc_streamoff,
1195         .vidioc_g_ext_ctrls   = vidioc_g_ext_ctrls,
1196         .vidioc_s_ext_ctrls   = vidioc_s_ext_ctrls,
1197         .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1198         .vidioc_s_frequency   = vidioc_s_frequency,
1199         .vidioc_log_status    = vidioc_log_status,
1200         .vidioc_queryctrl     = vidioc_queryctrl,
1201         .vidioc_enum_input    = vidioc_enum_input,
1202         .vidioc_g_ctrl        = vidioc_g_ctrl,
1203         .vidioc_s_ctrl        = vidioc_s_ctrl,
1204         .vidioc_g_frequency   = vidioc_g_frequency,
1205         .vidioc_g_input       = vidioc_g_input,
1206         .vidioc_s_input       = vidioc_s_input,
1207         .vidioc_g_tuner       = vidioc_g_tuner,
1208         .vidioc_s_tuner       = vidioc_s_tuner,
1209         .vidioc_s_std         = vidioc_s_std,
1210 };
1211
1212 static struct video_device cx8802_mpeg_template = {
1213         .name                 = "cx8802",
1214         .fops                 = &mpeg_fops,
1215         .ioctl_ops            = &mpeg_ioctl_ops,
1216         .tvnorms              = CX88_NORMS,
1217         .current_norm         = V4L2_STD_NTSC_M,
1218 };
1219
1220 /* ------------------------------------------------------------------ */
1221
1222 /* The CX8802 MPEG API will call this when we can use the hardware */
1223 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1224 {
1225         struct cx88_core *core = drv->core;
1226         int err = 0;
1227
1228         switch (core->boardnr) {
1229         case CX88_BOARD_HAUPPAUGE_HVR1300:
1230                 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1231                  * We left the hardware on power up with the cx22702 active.
1232                  * We're being given access to re-arrange the GPIOs.
1233                  * Take the bus off the cx22702 and put the cx23416 on it.
1234                  */
1235                 /* Toggle reset on cx22702 leaving i2c active */
1236                 cx_set(MO_GP0_IO, 0x00000080);
1237                 udelay(1000);
1238                 cx_clear(MO_GP0_IO, 0x00000080);
1239                 udelay(50);
1240                 cx_set(MO_GP0_IO, 0x00000080);
1241                 udelay(1000);
1242                 /* tri-state the cx22702 pins */
1243                 cx_set(MO_GP0_IO, 0x00000004);
1244                 udelay(1000);
1245                 break;
1246         default:
1247                 err = -ENODEV;
1248         }
1249         return err;
1250 }
1251
1252 /* The CX8802 MPEG API will call this when we need to release the hardware */
1253 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1254 {
1255         struct cx88_core *core = drv->core;
1256         int err = 0;
1257
1258         switch (core->boardnr) {
1259         case CX88_BOARD_HAUPPAUGE_HVR1300:
1260                 /* Exit leaving the cx23416 on the bus */
1261                 break;
1262         default:
1263                 err = -ENODEV;
1264         }
1265         return err;
1266 }
1267
1268 static void blackbird_unregister_video(struct cx8802_dev *dev)
1269 {
1270         if (dev->mpeg_dev) {
1271                 if (video_is_registered(dev->mpeg_dev))
1272                         video_unregister_device(dev->mpeg_dev);
1273                 else
1274                         video_device_release(dev->mpeg_dev);
1275                 dev->mpeg_dev = NULL;
1276         }
1277 }
1278
1279 static int blackbird_register_video(struct cx8802_dev *dev)
1280 {
1281         int err;
1282
1283         dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1284                                        &cx8802_mpeg_template,"mpeg");
1285         video_set_drvdata(dev->mpeg_dev, dev);
1286         err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1287         if (err < 0) {
1288                 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1289                        dev->core->name);
1290                 return err;
1291         }
1292         printk(KERN_INFO "%s/2: registered device %s [mpeg]\n",
1293                dev->core->name, video_device_node_name(dev->mpeg_dev));
1294         return 0;
1295 }
1296
1297 /* ----------------------------------------------------------- */
1298
1299 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1300 {
1301         struct cx88_core *core = drv->core;
1302         struct cx8802_dev *dev = core->dvbdev;
1303         int err;
1304
1305         dprintk( 1, "%s\n", __func__);
1306         dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1307                 core->boardnr,
1308                 core->name,
1309                 core->pci_bus,
1310                 core->pci_slot);
1311
1312         err = -ENODEV;
1313         if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1314                 goto fail_core;
1315
1316         dev->width = 720;
1317         dev->height = 576;
1318         cx2341x_fill_defaults(&dev->params);
1319         dev->params.port = CX2341X_PORT_STREAMING;
1320
1321         cx8802_mpeg_template.current_norm = core->tvnorm;
1322
1323         if (core->tvnorm & V4L2_STD_525_60) {
1324                 dev->height = 480;
1325         } else {
1326                 dev->height = 576;
1327         }
1328
1329         /* blackbird stuff */
1330         printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1331                core->name);
1332         host_setup(dev->core);
1333
1334         blackbird_initialize_codec(dev);
1335         blackbird_register_video(dev);
1336
1337         /* initial device configuration: needed ? */
1338         mutex_lock(&dev->core->lock);
1339 //      init_controls(core);
1340         cx88_set_tvnorm(core,core->tvnorm);
1341         cx88_video_mux(core,0);
1342         mutex_unlock(&dev->core->lock);
1343
1344         return 0;
1345
1346  fail_core:
1347         return err;
1348 }
1349
1350 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1351 {
1352         /* blackbird */
1353         blackbird_unregister_video(drv->core->dvbdev);
1354
1355         return 0;
1356 }
1357
1358 static struct cx8802_driver cx8802_blackbird_driver = {
1359         .type_id        = CX88_MPEG_BLACKBIRD,
1360         .hw_access      = CX8802_DRVCTL_SHARED,
1361         .probe          = cx8802_blackbird_probe,
1362         .remove         = cx8802_blackbird_remove,
1363         .advise_acquire = cx8802_blackbird_advise_acquire,
1364         .advise_release = cx8802_blackbird_advise_release,
1365 };
1366
1367 static int __init blackbird_init(void)
1368 {
1369         printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1370                (CX88_VERSION_CODE >> 16) & 0xff,
1371                (CX88_VERSION_CODE >>  8) & 0xff,
1372                CX88_VERSION_CODE & 0xff);
1373 #ifdef SNAPSHOT
1374         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1375                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1376 #endif
1377         return cx8802_register_driver(&cx8802_blackbird_driver);
1378 }
1379
1380 static void __exit blackbird_fini(void)
1381 {
1382         cx8802_unregister_driver(&cx8802_blackbird_driver);
1383 }
1384
1385 module_init(blackbird_init);
1386 module_exit(blackbird_fini);
1387
1388 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1389 MODULE_PARM_DESC(debug,"enable debug messages [video]");
1390
1391 /* ----------------------------------------------------------- */
1392 /*
1393  * Local variables:
1394  * c-basic-offset: 8
1395  * End:
1396  * 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
1397  */