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://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 <linux/smp_lock.h>
  36 #include <media/v4l2-common.h>
  37 #include <media/v4l2-ioctl.h>
  38 #include <media/cx2341x.h>
  39
  40 #include "cx88.h"
  41
  42 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
  43 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  44 MODULE_LICENSE("GPL");
  45
  46 static unsigned int mpegbufs = 32;
  47 module_param(mpegbufs,int,0644);
  48 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
  49
  50 static unsigned int debug;
  51 module_param(debug,int,0644);
  52 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
  53
  54 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  55         printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
  56
  57
  58 /* ------------------------------------------------------------------ */
  59
  60 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
  61
  62 /* defines below are from ivtv-driver.h */
  63
  64 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
  65
  66 /* Firmware API commands */
  67 #define IVTV_API_STD_TIMEOUT 500
  68
  69 enum blackbird_capture_type {
  70         BLACKBIRD_MPEG_CAPTURE,
  71         BLACKBIRD_RAW_CAPTURE,
  72         BLACKBIRD_RAW_PASSTHRU_CAPTURE
  73 };
  74 enum blackbird_capture_bits {
  75         BLACKBIRD_RAW_BITS_NONE             = 0x00,
  76         BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
  77         BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
  78         BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
  79         BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
  80         BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
  81 };
  82 enum blackbird_capture_end {
  83         BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
  84         BLACKBIRD_END_NOW, /* stop immediately, no irq */
  85 };
  86 enum blackbird_framerate {
  87         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
  88         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
  89 };
  90 enum blackbird_stream_port {
  91         BLACKBIRD_OUTPUT_PORT_MEMORY,
  92         BLACKBIRD_OUTPUT_PORT_STREAMING,
  93         BLACKBIRD_OUTPUT_PORT_SERIAL
  94 };
  95 enum blackbird_data_xfer_status {
  96         BLACKBIRD_MORE_BUFFERS_FOLLOW,
  97         BLACKBIRD_LAST_BUFFER,
  98 };
  99 enum blackbird_picture_mask {
 100         BLACKBIRD_PICTURE_MASK_NONE,
 101         BLACKBIRD_PICTURE_MASK_I_FRAMES,
 102         BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
 103         BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
 104 };
 105 enum blackbird_vbi_mode_bits {
 106         BLACKBIRD_VBI_BITS_SLICED,
 107         BLACKBIRD_VBI_BITS_RAW,
 108 };
 109 enum blackbird_vbi_insertion_bits {
 110         BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 111         BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 112         BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 113         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 114         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 115 };
 116 enum blackbird_dma_unit {
 117         BLACKBIRD_DMA_BYTES,
 118         BLACKBIRD_DMA_FRAMES,
 119 };
 120 enum blackbird_dma_transfer_status_bits {
 121         BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
 122         BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
 123         BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 124 };
 125 enum blackbird_pause {
 126         BLACKBIRD_PAUSE_ENCODING,
 127         BLACKBIRD_RESUME_ENCODING,
 128 };
 129 enum blackbird_copyright {
 130         BLACKBIRD_COPYRIGHT_OFF,
 131         BLACKBIRD_COPYRIGHT_ON,
 132 };
 133 enum blackbird_notification_type {
 134         BLACKBIRD_NOTIFICATION_REFRESH,
 135 };
 136 enum blackbird_notification_status {
 137         BLACKBIRD_NOTIFICATION_OFF,
 138         BLACKBIRD_NOTIFICATION_ON,
 139 };
 140 enum blackbird_notification_mailbox {
 141         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 142 };
 143 enum blackbird_field1_lines {
 144         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 145         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 146         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 147 };
 148 enum blackbird_field2_lines {
 149         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 150         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 151         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 152 };
 153 enum blackbird_custom_data_type {
 154         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 155         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 156 };
 157 enum blackbird_mute {
 158         BLACKBIRD_UNMUTE,
 159         BLACKBIRD_MUTE,
 160 };
 161 enum blackbird_mute_video_mask {
 162         BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
 163         BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
 164         BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
 165 };
 166 enum blackbird_mute_video_shift {
 167         BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
 168         BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
 169         BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
 170 };
 171
 172 /* Registers */
 173 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
 174 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
 175 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
 176 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
 177 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
 178 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
 179
 180 /* ------------------------------------------------------------------ */
 181
 182 static void host_setup(struct cx88_core *core)
 183 {
 184         /* toggle reset of the host */
 185         cx_write(MO_GPHST_SOFT_RST, 1);
 186         udelay(100);
 187         cx_write(MO_GPHST_SOFT_RST, 0);
 188         udelay(100);
 189
 190         /* host port setup */
 191         cx_write(MO_GPHST_WSC, 0x44444444U);
 192         cx_write(MO_GPHST_XFR, 0);
 193         cx_write(MO_GPHST_WDTH, 15);
 194         cx_write(MO_GPHST_HDSHK, 0);
 195         cx_write(MO_GPHST_MUX16, 0x44448888U);
 196         cx_write(MO_GPHST_MODE, 0);
 197 }
 198
 199 /* ------------------------------------------------------------------ */
 200
 201 #define P1_MDATA0 0x390000
 202 #define P1_MDATA1 0x390001
 203 #define P1_MDATA2 0x390002
 204 #define P1_MDATA3 0x390003
 205 #define P1_MADDR2 0x390004
 206 #define P1_MADDR1 0x390005
 207 #define P1_MADDR0 0x390006
 208 #define P1_RDATA0 0x390008
 209 #define P1_RDATA1 0x390009
 210 #define P1_RDATA2 0x39000A
 211 #define P1_RDATA3 0x39000B
 212 #define P1_RADDR0 0x39000C
 213 #define P1_RADDR1 0x39000D
 214 #define P1_RRDWR  0x39000E
 215
 216 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 217 {
 218         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 219         u32 gpio0,need;
 220
 221         need = state ? 2 : 0;
 222         for (;;) {
 223                 gpio0 = cx_read(MO_GP0_IO) & 2;
 224                 if (need == gpio0)
 225                         return 0;
 226                 if (time_after(jiffies,timeout))
 227                         return -1;
 228                 udelay(1);
 229         }
 230 }
 231
 232 static int memory_write(struct cx88_core *core, u32 address, u32 value)
 233 {
 234         /* Warning: address is dword address (4 bytes) */
 235         cx_writeb(P1_MDATA0, (unsigned int)value);
 236         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
 237         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
 238         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
 239         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
 240         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 241         cx_writeb(P1_MADDR0, (unsigned int)address);
 242         cx_read(P1_MDATA0);
 243         cx_read(P1_MADDR0);
 244
 245         return wait_ready_gpio0_bit1(core,1);
 246 }
 247
 248 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 249 {
 250         int retval;
 251         u32 val;
 252
 253         /* Warning: address is dword address (4 bytes) */
 254         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
 255         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 256         cx_writeb(P1_MADDR0, (unsigned int)address);
 257         cx_read(P1_MADDR0);
 258
 259         retval = wait_ready_gpio0_bit1(core,1);
 260
 261         cx_writeb(P1_MDATA3, 0);
 262         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
 263         cx_writeb(P1_MDATA2, 0);
 264         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
 265         cx_writeb(P1_MDATA1, 0);
 266         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
 267         cx_writeb(P1_MDATA0, 0);
 268         val    |= (unsigned char)cx_read(P1_MDATA0);
 269
 270         *value  = val;
 271         return retval;
 272 }
 273
 274 static int register_write(struct cx88_core *core, u32 address, u32 value)
 275 {
 276         cx_writeb(P1_RDATA0, (unsigned int)value);
 277         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
 278         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
 279         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
 280         cx_writeb(P1_RADDR0, (unsigned int)address);
 281         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 282         cx_writeb(P1_RRDWR, 1);
 283         cx_read(P1_RDATA0);
 284         cx_read(P1_RADDR0);
 285
 286         return wait_ready_gpio0_bit1(core,1);
 287 }
 288
 289
 290 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 291 {
 292         int retval;
 293         u32 val;
 294
 295         cx_writeb(P1_RADDR0, (unsigned int)address);
 296         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 297         cx_writeb(P1_RRDWR, 0);
 298         cx_read(P1_RADDR0);
 299
 300         retval  = wait_ready_gpio0_bit1(core,1);
 301         val     = (unsigned char)cx_read(P1_RDATA0);
 302         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 303         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
 304         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
 305
 306         *value  = val;
 307         return retval;
 308 }
 309
 310 /* ------------------------------------------------------------------ */
 311
 312 static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
 313 {
 314         struct cx8802_dev *dev = priv;
 315         unsigned long timeout;
 316         u32 value, flag, retval;
 317         int i;
 318
 319         dprintk(1,"%s: 0x%X\n", __func__, command);
 320
 321         /* this may not be 100% safe if we can't read any memory location
 322            without side effects */
 323         memory_read(dev->core, dev->mailbox - 4, &value);
 324         if (value != 0x12345678) {
 325                 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
 326                 return -1;
 327         }
 328
 329         memory_read(dev->core, dev->mailbox, &flag);
 330         if (flag) {
 331                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 332                 return -1;
 333         }
 334
 335         flag |= 1; /* tell 'em we're working on it */
 336         memory_write(dev->core, dev->mailbox, flag);
 337
 338         /* write command + args + fill remaining with zeros */
 339         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 340         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
 341         for (i = 0; i < in; i++) {
 342                 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
 343                 dprintk(1, "API Input %d = %d\n", i, data[i]);
 344         }
 345         for (; i < CX2341X_MBOX_MAX_DATA; i++)
 346                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
 347
 348         flag |= 3; /* tell 'em we're done writing */
 349         memory_write(dev->core, dev->mailbox, flag);
 350
 351         /* wait for firmware to handle the API command */
 352         timeout = jiffies + msecs_to_jiffies(10);
 353         for (;;) {
 354                 memory_read(dev->core, dev->mailbox, &flag);
 355                 if (0 != (flag & 4))
 356                         break;
 357                 if (time_after(jiffies,timeout)) {
 358                         dprintk(0, "ERROR: API Mailbox timeout\n");
 359                         return -1;
 360                 }
 361                 udelay(10);
 362         }
 363
 364         /* read output values */
 365         for (i = 0; i < out; i++) {
 366                 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
 367                 dprintk(1, "API Output %d = %d\n", i, data[i]);
 368         }
 369
 370         memory_read(dev->core, dev->mailbox + 2, &retval);
 371         dprintk(1, "API result = %d\n",retval);
 372
 373         flag = 0;
 374         memory_write(dev->core, dev->mailbox, flag);
 375         return retval;
 376 }
 377 /* ------------------------------------------------------------------ */
 378
 379 /* We don't need to call the API often, so using just one mailbox will probably suffice */
 380 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 381                              u32 inputcnt, u32 outputcnt, ...)
 382 {
 383         u32 data[CX2341X_MBOX_MAX_DATA];
 384         va_list vargs;
 385         int i, err;
 386
 387         va_start(vargs, outputcnt);
 388
 389         for (i = 0; i < inputcnt; i++) {
 390                 data[i] = va_arg(vargs, int);
 391         }
 392         err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
 393         for (i = 0; i < outputcnt; i++) {
 394                 int *vptr = va_arg(vargs, int *);
 395                 *vptr = data[i];
 396         }
 397         va_end(vargs);
 398         return err;
 399 }
 400
 401 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 402 {
 403         u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
 404         int signaturecnt=0;
 405         u32 value;
 406         int i;
 407
 408         for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 409                 memory_read(dev->core, i, &value);
 410                 if (value == signature[signaturecnt])
 411                         signaturecnt++;
 412                 else
 413                         signaturecnt = 0;
 414                 if (4 == signaturecnt) {
 415                         dprintk(1, "Mailbox signature found\n");
 416                         return i+1;
 417                 }
 418         }
 419         dprintk(0, "Mailbox signature values not found!\n");
 420         return -1;
 421 }
 422
 423 static int blackbird_load_firmware(struct cx8802_dev *dev)
 424 {
 425         static const unsigned char magic[8] = {
 426                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 427         };
 428         const struct firmware *firmware;
 429         int i, retval = 0;
 430         u32 value = 0;
 431         u32 checksum = 0;
 432         u32 *dataptr;
 433
 434         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 435         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 436         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
 437         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 438         msleep(1);
 439         retval |= register_write(dev->core, IVTV_REG_APU, 0);
 440
 441         if (retval < 0)
 442                 dprintk(0, "Error with register_write\n");
 443
 444         retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
 445                                   &dev->pci->dev);
 446
 447
 448         if (retval != 0) {
 449                 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
 450                         CX2341X_FIRM_ENC_FILENAME);
 451                 dprintk(0, "Please fix your hotplug setup, the board will "
 452                         "not work without firmware loaded!\n");
 453                 return -1;
 454         }
 455
 456         if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 457                 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
 458                         firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 459                 release_firmware(firmware);
 460                 return -1;
 461         }
 462
 463         if (0 != memcmp(firmware->data, magic, 8)) {
 464                 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
 465                 release_firmware(firmware);
 466                 return -1;
 467         }
 468
 469         /* transfer to the chip */
 470         dprintk(1,"Loading firmware ...\n");
 471         dataptr = (u32*)firmware->data;
 472         for (i = 0; i < (firmware->size >> 2); i++) {
 473                 value = *dataptr;
 474                 checksum += ~value;
 475                 memory_write(dev->core, i, value);
 476                 dataptr++;
 477         }
 478
 479         /* read back to verify with the checksum */
 480         for (i--; i >= 0; i--) {
 481                 memory_read(dev->core, i, &value);
 482                 checksum -= ~value;
 483         }
 484         if (checksum) {
 485                 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
 486                 release_firmware(firmware);
 487                 return -1;
 488         }
 489         release_firmware(firmware);
 490         dprintk(0, "Firmware upload successful.\n");
 491
 492         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 493         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 494         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 495         msleep(1);
 496
 497         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 498         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 499
 500         if (retval < 0)
 501                 dprintk(0, "Error with register_write\n");
 502         return 0;
 503 }
 504
 505 /**
 506  Settings used by the windows tv app for PVR2000:
 507 =================================================================================================================
 508 Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 509 -----------------------------------------------------------------------------------------------------------------
 510 MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 511 MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 512 VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 513 DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 514 DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 515 =================================================================================================================
 516 *DB: "DirectBurn"
 517 */
 518
 519 static void blackbird_codec_settings(struct cx8802_dev *dev)
 520 {
 521         /* assign frame size */
 522         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 523                                 dev->height, dev->width);
 524
 525         dev->params.width = dev->width;
 526         dev->params.height = dev->height;
 527         dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
 528
 529         cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
 530 }
 531
 532 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 533 {
 534         struct cx88_core *core = dev->core;
 535         int version;
 536         int retval;
 537
 538         dprintk(1,"Initialize codec\n");
 539         retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 540         if (retval < 0) {
 541
 542                 dev->mpeg_active = 0;
 543
 544                 /* ping was not successful, reset and upload firmware */
 545                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 546                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 547                 retval = blackbird_load_firmware(dev);
 548                 if (retval < 0)
 549                         return retval;
 550
 551                 retval = blackbird_find_mailbox(dev);
 552                 if (retval < 0)
 553                         return -1;
 554
 555                 dev->mailbox = retval;
 556
 557                 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 558                 if (retval < 0) {
 559                         dprintk(0, "ERROR: Firmware ping failed!\n");
 560                         return -1;
 561                 }
 562
 563                 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
 564                 if (retval < 0) {
 565                         dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 566                         return -1;
 567                 }
 568                 dprintk(0, "Firmware version is 0x%08x\n", version);
 569         }
 570
 571         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 572         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 573         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 574         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 575
 576         blackbird_codec_settings(dev);
 577
 578         blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
 579                         BLACKBIRD_FIELD1_SAA7115,
 580                         BLACKBIRD_FIELD2_SAA7115
 581                 );
 582
 583         blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
 584                         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 585                         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 586
 587         return 0;
 588 }
 589
 590 static int blackbird_start_codec(struct file *file, void *priv)
 591 {
 592         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 593         struct cx88_core *core = dev->core;
 594         /* start capturing to the host interface */
 595         u32 reg;
 596
 597         int i;
 598         int lastchange = -1;
 599         int lastval = 0;
 600
 601         for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
 602                 reg = cx_read(AUD_STATUS);
 603
 604                 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
 605                 if ((reg & 0x0F) != lastval) {
 606                         lastval = reg & 0x0F;
 607                         lastchange = i;
 608                 }
 609                 msleep(100);
 610         }
 611
 612         /* unmute audio source */
 613         cx_clear(AUD_VOL_CTL, (1 << 6));
 614
 615         blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
 616
 617         /* initialize the video input */
 618         blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
 619
 620         /* start capturing to the host interface */
 621         blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
 622                         BLACKBIRD_MPEG_CAPTURE,
 623                         BLACKBIRD_RAW_BITS_NONE
 624                 );
 625
 626         dev->mpeg_active = 1;
 627         return 0;
 628 }
 629
 630 static int blackbird_stop_codec(struct cx8802_dev *dev)
 631 {
 632         blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
 633                         BLACKBIRD_END_NOW,
 634                         BLACKBIRD_MPEG_CAPTURE,
 635                         BLACKBIRD_RAW_BITS_NONE
 636                 );
 637
 638         dev->mpeg_active = 0;
 639         return 0;
 640 }
 641
 642 /* ------------------------------------------------------------------ */
 643
 644 static int bb_buf_setup(struct videobuf_queue *q,
 645                         unsigned int *count, unsigned int *size)
 646 {
 647         struct cx8802_fh *fh = q->priv_data;
 648
 649         fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
 650         fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
 651
 652         *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
 653         *count = fh->dev->ts_packet_count;
 654         return 0;
 655 }
 656
 657 static int
 658 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 659                enum v4l2_field field)
 660 {
 661         struct cx8802_fh *fh = q->priv_data;
 662         return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
 663 }
 664
 665 static void
 666 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 667 {
 668         struct cx8802_fh *fh = q->priv_data;
 669         cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
 670 }
 671
 672 static void
 673 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 674 {
 675         cx88_free_buffer(q, (struct cx88_buffer*)vb);
 676 }
 677
 678 static struct videobuf_queue_ops blackbird_qops = {
 679         .buf_setup    = bb_buf_setup,
 680         .buf_prepare  = bb_buf_prepare,
 681         .buf_queue    = bb_buf_queue,
 682         .buf_release  = bb_buf_release,
 683 };
 684
 685 /* ------------------------------------------------------------------ */
 686
 687 static const u32 *ctrl_classes[] = {
 688         cx88_user_ctrls,
 689         cx2341x_mpeg_ctrls,
 690         NULL
 691 };
 692
 693 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
 694 {
 695         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 696         if (qctrl->id == 0)
 697                 return -EINVAL;
 698
 699         /* Standard V4L2 controls */
 700         if (cx8800_ctrl_query(dev->core, qctrl) == 0)
 701                 return 0;
 702
 703         /* MPEG V4L2 controls */
 704         if (cx2341x_ctrl_query(&dev->params, qctrl))
 705                 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
 706         return 0;
 707 }
 708
 709 /* ------------------------------------------------------------------ */
 710 /* IOCTL Handlers                                                     */
 711
 712 static int vidioc_querymenu (struct file *file, void *priv,
 713                                 struct v4l2_querymenu *qmenu)
 714 {
 715         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 716         struct v4l2_queryctrl qctrl;
 717
 718         qctrl.id = qmenu->id;
 719         blackbird_queryctrl(dev, &qctrl);
 720         return v4l2_ctrl_query_menu(qmenu, &qctrl,
 721                         cx2341x_ctrl_get_menu(&dev->params, qmenu->id));
 722 }
 723
 724 static int vidioc_querycap (struct file *file, void  *priv,
 725                                         struct v4l2_capability *cap)
 726 {
 727         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 728         struct cx88_core  *core = dev->core;
 729
 730         strcpy(cap->driver, "cx88_blackbird");
 731         strlcpy(cap->card, core->board.name, sizeof(cap->card));
 732         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
 733         cap->version = CX88_VERSION_CODE;
 734         cap->capabilities =
 735                 V4L2_CAP_VIDEO_CAPTURE |
 736                 V4L2_CAP_READWRITE     |
 737                 V4L2_CAP_STREAMING;
 738         if (UNSET != core->board.tuner_type)
 739                 cap->capabilities |= V4L2_CAP_TUNER;
 740         return 0;
 741 }
 742
 743 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
 744                                         struct v4l2_fmtdesc *f)
 745 {
 746         if (f->index != 0)
 747                 return -EINVAL;
 748
 749         strlcpy(f->description, "MPEG", sizeof(f->description));
 750         f->pixelformat = V4L2_PIX_FMT_MPEG;
 751         return 0;
 752 }
 753
 754 static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
 755                                         struct v4l2_format *f)
 756 {
 757         struct cx8802_fh  *fh   = priv;
 758         struct cx8802_dev *dev  = fh->dev;
 759
 760         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 761         f->fmt.pix.bytesperline = 0;
 762         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
 763         f->fmt.pix.colorspace   = 0;
 764         f->fmt.pix.width        = dev->width;
 765         f->fmt.pix.height       = dev->height;
 766         f->fmt.pix.field        = fh->mpegq.field;
 767         dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
 768                 dev->width, dev->height, fh->mpegq.field );
 769         return 0;
 770 }
 771
 772 static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
 773                         struct v4l2_format *f)
 774 {
 775         struct cx8802_fh  *fh   = priv;
 776         struct cx8802_dev *dev  = fh->dev;
 777
 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_vid_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->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 795         f->fmt.pix.bytesperline = 0;
 796         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 797         f->fmt.pix.colorspace   = 0;
 798         dev->width              = f->fmt.pix.width;
 799         dev->height             = f->fmt.pix.height;
 800         fh->mpegq.field         = f->fmt.pix.field;
 801         cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
 802         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 803                                 f->fmt.pix.height, f->fmt.pix.width);
 804         dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
 805                 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
 806         return 0;
 807 }
 808
 809 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
 810 {
 811         struct cx8802_fh  *fh   = priv;
 812         return (videobuf_reqbufs(&fh->mpegq, p));
 813 }
 814
 815 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
 816 {
 817         struct cx8802_fh  *fh   = priv;
 818         return (videobuf_querybuf(&fh->mpegq, p));
 819 }
 820
 821 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 822 {
 823         struct cx8802_fh  *fh   = priv;
 824         return (videobuf_qbuf(&fh->mpegq, p));
 825 }
 826
 827 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 828 {
 829         struct cx8802_fh  *fh   = priv;
 830         return (videobuf_dqbuf(&fh->mpegq, p,
 831                                 file->f_flags & O_NONBLOCK));
 832 }
 833
 834 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 835 {
 836         struct cx8802_fh  *fh   = priv;
 837         return videobuf_streamon(&fh->mpegq);
 838 }
 839
 840 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
 841 {
 842         struct cx8802_fh  *fh   = priv;
 843         return videobuf_streamoff(&fh->mpegq);
 844 }
 845
 846 static int vidioc_g_ext_ctrls (struct file *file, void *priv,
 847                                struct v4l2_ext_controls *f)
 848 {
 849         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 850
 851         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 852                 return -EINVAL;
 853         return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS);
 854 }
 855
 856 static int vidioc_s_ext_ctrls (struct file *file, void *priv,
 857                                struct v4l2_ext_controls *f)
 858 {
 859         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 860         struct cx2341x_mpeg_params p;
 861         int err;
 862
 863         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 864                 return -EINVAL;
 865
 866         if (dev->mpeg_active)
 867                 blackbird_stop_codec(dev);
 868
 869         p = dev->params;
 870         err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
 871         if (!err) {
 872                 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
 873                 dev->params = p;
 874         }
 875         return err;
 876 }
 877
 878 static int vidioc_try_ext_ctrls (struct file *file, void *priv,
 879                                struct v4l2_ext_controls *f)
 880 {
 881         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 882         struct cx2341x_mpeg_params p;
 883         int err;
 884
 885         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 886                 return -EINVAL;
 887         p = dev->params;
 888         err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
 889
 890         return err;
 891 }
 892
 893 static int vidioc_s_frequency (struct file *file, void *priv,
 894                                 struct v4l2_frequency *f)
 895 {
 896         struct cx8802_fh  *fh   = priv;
 897         struct cx8802_dev *dev  = fh->dev;
 898         struct cx88_core  *core = dev->core;
 899
 900         if (dev->mpeg_active)
 901                 blackbird_stop_codec(dev);
 902
 903         cx88_set_freq (core,f);
 904         blackbird_initialize_codec(dev);
 905         cx88_set_scale(dev->core, dev->width, dev->height,
 906                         fh->mpegq.field);
 907         return 0;
 908 }
 909
 910 static int vidioc_log_status (struct file *file, void *priv)
 911 {
 912         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 913         struct cx88_core  *core = dev->core;
 914         char name[32 + 2];
 915
 916         snprintf(name, sizeof(name), "%s/2", core->name);
 917         printk("%s/2: ============  START LOG STATUS  ============\n",
 918                 core->name);
 919         call_all(core, core, log_status);
 920         cx2341x_log_status(&dev->params, name);
 921         printk("%s/2: =============  END LOG STATUS  =============\n",
 922                 core->name);
 923         return 0;
 924 }
 925
 926 static int vidioc_queryctrl (struct file *file, void *priv,
 927                                 struct v4l2_queryctrl *qctrl)
 928 {
 929         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 930
 931         if (blackbird_queryctrl(dev, qctrl) == 0)
 932                 return 0;
 933
 934         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 935         if (unlikely(qctrl->id == 0))
 936                 return -EINVAL;
 937         return cx8800_ctrl_query(dev->core, qctrl);
 938 }
 939
 940 static int vidioc_enum_input (struct file *file, void *priv,
 941                                 struct v4l2_input *i)
 942 {
 943         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 944         return cx88_enum_input (core,i);
 945 }
 946
 947 static int vidioc_g_ctrl (struct file *file, void *priv,
 948                                 struct v4l2_control *ctl)
 949 {
 950         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 951         return
 952                 cx88_get_control(core,ctl);
 953 }
 954
 955 static int vidioc_s_ctrl (struct file *file, void *priv,
 956                                 struct v4l2_control *ctl)
 957 {
 958         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 959         return
 960                 cx88_set_control(core,ctl);
 961 }
 962
 963 static int vidioc_g_frequency (struct file *file, void *priv,
 964                                 struct v4l2_frequency *f)
 965 {
 966         struct cx8802_fh  *fh   = priv;
 967         struct cx88_core  *core = fh->dev->core;
 968
 969         if (unlikely(UNSET == core->board.tuner_type))
 970                 return -EINVAL;
 971
 972         f->type = V4L2_TUNER_ANALOG_TV;
 973         f->frequency = core->freq;
 974         call_all(core, tuner, g_frequency, f);
 975
 976         return 0;
 977 }
 978
 979 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
 980 {
 981         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 982
 983         *i = core->input;
 984         return 0;
 985 }
 986
 987 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
 988 {
 989         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 990
 991         if (i >= 4)
 992                 return -EINVAL;
 993
 994         mutex_lock(&core->lock);
 995         cx88_newstation(core);
 996         cx88_video_mux(core,i);
 997         mutex_unlock(&core->lock);
 998         return 0;
 999 }
1000
1001 static int vidioc_g_tuner (struct file *file, void *priv,
1002                                 struct v4l2_tuner *t)
1003 {
1004         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1005         u32 reg;
1006
1007         if (unlikely(UNSET == core->board.tuner_type))
1008                 return -EINVAL;
1009         if (0 != t->index)
1010                 return -EINVAL;
1011
1012         strcpy(t->name, "Television");
1013         t->type       = V4L2_TUNER_ANALOG_TV;
1014         t->capability = V4L2_TUNER_CAP_NORM;
1015         t->rangehigh  = 0xffffffffUL;
1016
1017         cx88_get_stereo(core ,t);
1018         reg = cx_read(MO_DEVICE_STATUS);
1019         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1020         return 0;
1021 }
1022
1023 static int vidioc_s_tuner (struct file *file, void *priv,
1024                                 struct v4l2_tuner *t)
1025 {
1026         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1027
1028         if (UNSET == core->board.tuner_type)
1029                 return -EINVAL;
1030         if (0 != t->index)
1031                 return -EINVAL;
1032
1033         cx88_set_stereo(core, t->audmode, 1);
1034         return 0;
1035 }
1036
1037 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1038 {
1039         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1040
1041         mutex_lock(&core->lock);
1042         cx88_set_tvnorm(core,*id);
1043         mutex_unlock(&core->lock);
1044         return 0;
1045 }
1046
1047 /* FIXME: cx88_ioctl_hook not implemented */
1048
1049 static int mpeg_open(struct file *file)
1050 {
1051         int minor = video_devdata(file)->minor;
1052         struct cx8802_dev *dev = NULL;
1053         struct cx8802_fh *fh;
1054         struct cx8802_driver *drv = NULL;
1055         int err;
1056
1057         lock_kernel();
1058         dev = cx8802_get_device(minor);
1059
1060         dprintk( 1, "%s\n", __func__);
1061
1062         if (dev == NULL) {
1063                 unlock_kernel();
1064                 return -ENODEV;
1065         }
1066
1067         /* Make sure we can acquire the hardware */
1068         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1069         if (drv) {
1070                 err = drv->request_acquire(drv);
1071                 if(err != 0) {
1072                         dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
1073                         unlock_kernel();
1074                         return err;
1075                 }
1076         }
1077
1078         if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) {
1079                 if (drv)
1080                         drv->request_release(drv);
1081                 unlock_kernel();
1082                 return -EINVAL;
1083         }
1084         dprintk(1,"open minor=%d\n",minor);
1085
1086         /* allocate + initialize per filehandle data */
1087         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1088         if (NULL == fh) {
1089                 if (drv)
1090                         drv->request_release(drv);
1091                 unlock_kernel();
1092                 return -ENOMEM;
1093         }
1094         file->private_data = fh;
1095         fh->dev      = dev;
1096
1097         videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
1098                             &dev->pci->dev, &dev->slock,
1099                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1100                             V4L2_FIELD_INTERLACED,
1101                             sizeof(struct cx88_buffer),
1102                             fh);
1103
1104         /* FIXME: locking against other video device */
1105         cx88_set_scale(dev->core, dev->width, dev->height,
1106                         fh->mpegq.field);
1107         unlock_kernel();
1108
1109         atomic_inc(&dev->core->mpeg_users);
1110
1111         return 0;
1112 }
1113
1114 static int mpeg_release(struct file *file)
1115 {
1116         struct cx8802_fh  *fh  = file->private_data;
1117         struct cx8802_dev *dev = fh->dev;
1118         struct cx8802_driver *drv = NULL;
1119
1120         if (dev->mpeg_active && atomic_read(&dev->core->mpeg_users) == 1)
1121                 blackbird_stop_codec(dev);
1122
1123         cx8802_cancel_buffers(fh->dev);
1124         /* stop mpeg capture */
1125         videobuf_stop(&fh->mpegq);
1126
1127         videobuf_mmap_free(&fh->mpegq);
1128         file->private_data = NULL;
1129         kfree(fh);
1130
1131         /* Make sure we release the hardware */
1132         dev = cx8802_get_device(video_devdata(file)->minor);
1133         if (dev == NULL)
1134                 return -ENODEV;
1135
1136         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1137         if (drv)
1138                 drv->request_release(drv);
1139
1140         atomic_dec(&dev->core->mpeg_users);
1141
1142         return 0;
1143 }
1144
1145 static ssize_t
1146 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1147 {
1148         struct cx8802_fh *fh = file->private_data;
1149         struct cx8802_dev *dev = fh->dev;
1150
1151         if (!dev->mpeg_active)
1152                 blackbird_start_codec(file, fh);
1153
1154         return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1155                                     file->f_flags & O_NONBLOCK);
1156 }
1157
1158 static unsigned int
1159 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1160 {
1161         struct cx8802_fh *fh = file->private_data;
1162         struct cx8802_dev *dev = fh->dev;
1163
1164         if (!dev->mpeg_active)
1165                 blackbird_start_codec(file, fh);
1166
1167         return videobuf_poll_stream(file, &fh->mpegq, wait);
1168 }
1169
1170 static int
1171 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1172 {
1173         struct cx8802_fh *fh = file->private_data;
1174
1175         return videobuf_mmap_mapper(&fh->mpegq, vma);
1176 }
1177
1178 static const struct v4l2_file_operations mpeg_fops =
1179 {
1180         .owner         = THIS_MODULE,
1181         .open          = mpeg_open,
1182         .release       = mpeg_release,
1183         .read          = mpeg_read,
1184         .poll          = mpeg_poll,
1185         .mmap          = mpeg_mmap,
1186         .ioctl         = video_ioctl2,
1187 };
1188
1189 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1190         .vidioc_querymenu     = vidioc_querymenu,
1191         .vidioc_querycap      = vidioc_querycap,
1192         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1193         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1194         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1195         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1196         .vidioc_reqbufs       = vidioc_reqbufs,
1197         .vidioc_querybuf      = vidioc_querybuf,
1198         .vidioc_qbuf          = vidioc_qbuf,
1199         .vidioc_dqbuf         = vidioc_dqbuf,
1200         .vidioc_streamon      = vidioc_streamon,
1201         .vidioc_streamoff     = vidioc_streamoff,
1202         .vidioc_g_ext_ctrls   = vidioc_g_ext_ctrls,
1203         .vidioc_s_ext_ctrls   = vidioc_s_ext_ctrls,
1204         .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1205         .vidioc_s_frequency   = vidioc_s_frequency,
1206         .vidioc_log_status    = vidioc_log_status,
1207         .vidioc_queryctrl     = vidioc_queryctrl,
1208         .vidioc_enum_input    = vidioc_enum_input,
1209         .vidioc_g_ctrl        = vidioc_g_ctrl,
1210         .vidioc_s_ctrl        = vidioc_s_ctrl,
1211         .vidioc_g_frequency   = vidioc_g_frequency,
1212         .vidioc_g_input       = vidioc_g_input,
1213         .vidioc_s_input       = vidioc_s_input,
1214         .vidioc_g_tuner       = vidioc_g_tuner,
1215         .vidioc_s_tuner       = vidioc_s_tuner,
1216         .vidioc_s_std         = vidioc_s_std,
1217 };
1218
1219 static struct video_device cx8802_mpeg_template = {
1220         .name                 = "cx8802",
1221         .fops                 = &mpeg_fops,
1222         .ioctl_ops            = &mpeg_ioctl_ops,
1223         .minor                = -1,
1224         .tvnorms              = CX88_NORMS,
1225         .current_norm         = V4L2_STD_NTSC_M,
1226 };
1227
1228 /* ------------------------------------------------------------------ */
1229
1230 /* The CX8802 MPEG API will call this when we can use the hardware */
1231 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1232 {
1233         struct cx88_core *core = drv->core;
1234         int err = 0;
1235
1236         switch (core->boardnr) {
1237         case CX88_BOARD_HAUPPAUGE_HVR1300:
1238                 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1239                  * We left the hardware on power up with the cx22702 active.
1240                  * We're being given access to re-arrange the GPIOs.
1241                  * Take the bus off the cx22702 and put the cx23416 on it.
1242                  */
1243                 /* Toggle reset on cx22702 leaving i2c active */
1244                 cx_set(MO_GP0_IO, 0x00000080);
1245                 udelay(1000);
1246                 cx_clear(MO_GP0_IO, 0x00000080);
1247                 udelay(50);
1248                 cx_set(MO_GP0_IO, 0x00000080);
1249                 udelay(1000);
1250                 /* tri-state the cx22702 pins */
1251                 cx_set(MO_GP0_IO, 0x00000004);
1252                 udelay(1000);
1253                 break;
1254         default:
1255                 err = -ENODEV;
1256         }
1257         return err;
1258 }
1259
1260 /* The CX8802 MPEG API will call this when we need to release the hardware */
1261 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1262 {
1263         struct cx88_core *core = drv->core;
1264         int err = 0;
1265
1266         switch (core->boardnr) {
1267         case CX88_BOARD_HAUPPAUGE_HVR1300:
1268                 /* Exit leaving the cx23416 on the bus */
1269                 break;
1270         default:
1271                 err = -ENODEV;
1272         }
1273         return err;
1274 }
1275
1276 static void blackbird_unregister_video(struct cx8802_dev *dev)
1277 {
1278         if (dev->mpeg_dev) {
1279                 if (-1 != dev->mpeg_dev->minor)
1280                         video_unregister_device(dev->mpeg_dev);
1281                 else
1282                         video_device_release(dev->mpeg_dev);
1283                 dev->mpeg_dev = NULL;
1284         }
1285 }
1286
1287 static int blackbird_register_video(struct cx8802_dev *dev)
1288 {
1289         int err;
1290
1291         dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1292                                        &cx8802_mpeg_template,"mpeg");
1293         err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1294         if (err < 0) {
1295                 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1296                        dev->core->name);
1297                 return err;
1298         }
1299         printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1300                dev->core->name, dev->mpeg_dev->num);
1301         return 0;
1302 }
1303
1304 /* ----------------------------------------------------------- */
1305
1306 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1307 {
1308         struct cx88_core *core = drv->core;
1309         struct cx8802_dev *dev = core->dvbdev;
1310         int err;
1311
1312         dprintk( 1, "%s\n", __func__);
1313         dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1314                 core->boardnr,
1315                 core->name,
1316                 core->pci_bus,
1317                 core->pci_slot);
1318
1319         err = -ENODEV;
1320         if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1321                 goto fail_core;
1322
1323         dev->width = 720;
1324         dev->height = 576;
1325         cx2341x_fill_defaults(&dev->params);
1326         dev->params.port = CX2341X_PORT_STREAMING;
1327
1328         cx8802_mpeg_template.current_norm = core->tvnorm;
1329
1330         if (core->tvnorm & V4L2_STD_525_60) {
1331                 dev->height = 480;
1332         } else {
1333                 dev->height = 576;
1334         }
1335
1336         /* blackbird stuff */
1337         printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1338                core->name);
1339         host_setup(dev->core);
1340
1341         blackbird_initialize_codec(dev);
1342         blackbird_register_video(dev);
1343
1344         /* initial device configuration: needed ? */
1345         mutex_lock(&dev->core->lock);
1346 //      init_controls(core);
1347         cx88_set_tvnorm(core,core->tvnorm);
1348         cx88_video_mux(core,0);
1349         mutex_unlock(&dev->core->lock);
1350
1351         return 0;
1352
1353  fail_core:
1354         return err;
1355 }
1356
1357 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1358 {
1359         /* blackbird */
1360         blackbird_unregister_video(drv->core->dvbdev);
1361
1362         return 0;
1363 }
1364
1365 static struct cx8802_driver cx8802_blackbird_driver = {
1366         .type_id        = CX88_MPEG_BLACKBIRD,
1367         .hw_access      = CX8802_DRVCTL_SHARED,
1368         .probe          = cx8802_blackbird_probe,
1369         .remove         = cx8802_blackbird_remove,
1370         .advise_acquire = cx8802_blackbird_advise_acquire,
1371         .advise_release = cx8802_blackbird_advise_release,
1372 };
1373
1374 static int blackbird_init(void)
1375 {
1376         printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1377                (CX88_VERSION_CODE >> 16) & 0xff,
1378                (CX88_VERSION_CODE >>  8) & 0xff,
1379                CX88_VERSION_CODE & 0xff);
1380 #ifdef SNAPSHOT
1381         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1382                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1383 #endif
1384         return cx8802_register_driver(&cx8802_blackbird_driver);
1385 }
1386
1387 static void blackbird_fini(void)
1388 {
1389         cx8802_unregister_driver(&cx8802_blackbird_driver);
1390 }
1391
1392 module_init(blackbird_init);
1393 module_exit(blackbird_fini);
1394
1395 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1396 MODULE_PARM_DESC(debug,"enable debug messages [video]");
1397
1398 /* ----------------------------------------------------------- */
1399 /*
1400  * Local variables:
1401  * c-basic-offset: 8
1402  * End:
1403  * 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
1404  */