git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/cx88/cx88-blackbird.c

   1 /*
   2  *
   3  *  Support for a cx23416 mpeg encoder via cx2388x host port.
   4  *  "blackbird" reference design.
   5  *
   6  *    (c) 2004 Jelle Foks <jelle@foks.8m.com>
   7  *    (c) 2004 Gerd Knorr <kraxel@bytesex.org>
   8  *
   9  *    (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
  10  *        - video_ioctl2 conversion
  11  *
  12  *  Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
  13  *
  14  *  This program is free software; you can redistribute it and/or modify
  15  *  it under the terms of the GNU General Public License as published by
  16  *  the Free Software Foundation; either version 2 of the License, or
  17  *  (at your option) any later version.
  18  *
  19  *  This program is distributed in the hope that it will be useful,
  20  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  *  GNU General Public License for more details.
  23  *
  24  *  You should have received a copy of the GNU General Public License
  25  *  along with this program; if not, write to the Free Software
  26  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  27  */
  28
  29 #include <linux/module.h>
  30 #include <linux/moduleparam.h>
  31 #include <linux/init.h>
  32 #include <linux/fs.h>
  33 #include <linux/delay.h>
  34 #include <linux/device.h>
  35 #include <linux/firmware.h>
  36 #include <media/v4l2-common.h>
  37 #include <media/cx2341x.h>
  38
  39 #include "cx88.h"
  40
  41 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
  42 MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  43 MODULE_LICENSE("GPL");
  44
  45 static unsigned int mpegbufs = 32;
  46 module_param(mpegbufs,int,0644);
  47 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
  48
  49 static unsigned int debug = 0;
  50 module_param(debug,int,0644);
  51 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
  52
  53 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  54         printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
  55
  56
  57 /* ------------------------------------------------------------------ */
  58
  59 #define OLD_BLACKBIRD_FIRM_IMAGE_SIZE 262144
  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, int 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", __FUNCTION__, 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 < dev->fw_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             (firmware->size != OLD_BLACKBIRD_FIRM_IMAGE_SIZE)) {
 458                 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d or %d)\n",
 459                         firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE,
 460                         OLD_BLACKBIRD_FIRM_IMAGE_SIZE);
 461                 release_firmware(firmware);
 462                 return -1;
 463         }
 464         dev->fw_size = firmware->size;
 465
 466         if (0 != memcmp(firmware->data, magic, 8)) {
 467                 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
 468                 release_firmware(firmware);
 469                 return -1;
 470         }
 471
 472         /* transfer to the chip */
 473         dprintk(1,"Loading firmware ...\n");
 474         dataptr = (u32*)firmware->data;
 475         for (i = 0; i < (firmware->size >> 2); i++) {
 476                 value = *dataptr;
 477                 checksum += ~value;
 478                 memory_write(dev->core, i, value);
 479                 dataptr++;
 480         }
 481
 482         /* read back to verify with the checksum */
 483         for (i--; i >= 0; i--) {
 484                 memory_read(dev->core, i, &value);
 485                 checksum -= ~value;
 486         }
 487         if (checksum) {
 488                 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
 489                 release_firmware(firmware);
 490                 return -1;
 491         }
 492         release_firmware(firmware);
 493         dprintk(0, "Firmware upload successful.\n");
 494
 495         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 496         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 497         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 498         msleep(1);
 499
 500         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 501         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 502
 503         if (retval < 0)
 504                 dprintk(0, "Error with register_write\n");
 505         return 0;
 506 }
 507
 508 /**
 509  Settings used by the windows tv app for PVR2000:
 510 =================================================================================================================
 511 Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 512 -----------------------------------------------------------------------------------------------------------------
 513 MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 514 MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 515 VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 516 DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 517 DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 518 =================================================================================================================
 519 *DB: "DirectBurn"
 520 */
 521
 522 static void blackbird_codec_settings(struct cx8802_dev *dev)
 523 {
 524         /* assign frame size */
 525         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 526                                 dev->height, dev->width);
 527
 528         dev->params.width = dev->width;
 529         dev->params.height = dev->height;
 530         dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
 531
 532         cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
 533 }
 534
 535 static struct v4l2_mpeg_compression default_mpeg_params = {
 536         .st_type          = V4L2_MPEG_PS_2,
 537         .st_bitrate       = {
 538                 .mode     = V4L2_BITRATE_CBR,
 539                 .min      = 0,
 540                 .target   = 0,
 541                 .max      = 0
 542         },
 543         .ts_pid_pmt       = 16,
 544         .ts_pid_audio     = 260,
 545         .ts_pid_video     = 256,
 546         .ts_pid_pcr       = 259,
 547         .ps_size          = 0,
 548         .au_type          = V4L2_MPEG_AU_2_II,
 549         .au_bitrate       = {
 550                 .mode     = V4L2_BITRATE_CBR,
 551                 .min      = 224,
 552                 .target   = 224,
 553                 .max      = 224
 554         },
 555         .au_sample_rate    = 48000,
 556         .au_pesid          = 0,
 557         .vi_type           = V4L2_MPEG_VI_2,
 558         .vi_aspect_ratio   = V4L2_MPEG_ASPECT_4_3,
 559         .vi_bitrate        = {
 560                 .mode      = V4L2_BITRATE_CBR,
 561                 .min       = 4000,
 562                 .target    = 4500,
 563                 .max       = 6000
 564         },
 565         .vi_frame_rate     = 25,
 566         .vi_frames_per_gop = 12,
 567         .vi_bframes_count  = 2,
 568         .vi_pesid          = 0,
 569         .closed_gops       = 1,
 570         .pulldown          = 0
 571 };
 572
 573 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 574 {
 575         struct cx88_core *core = dev->core;
 576         int version;
 577         int retval;
 578
 579         dprintk(1,"Initialize codec\n");
 580         retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 581         if (retval < 0) {
 582                 /* ping was not successful, reset and upload firmware */
 583                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 584                 msleep(1);
 585                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 586                 msleep(1);
 587                 retval = blackbird_load_firmware(dev);
 588                 if (retval < 0)
 589                         return retval;
 590
 591                 dev->mailbox = blackbird_find_mailbox(dev);
 592                 if (dev->mailbox < 0)
 593                         return -1;
 594
 595                 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 596                 if (retval < 0) {
 597                         dprintk(0, "ERROR: Firmware ping failed!\n");
 598                         return -1;
 599                 }
 600
 601                 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
 602                 if (retval < 0) {
 603                         dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 604                         return -1;
 605                 }
 606                 dprintk(0, "Firmware version is 0x%08x\n", version);
 607         }
 608         msleep(1);
 609
 610         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 611         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 612         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 613         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 614
 615         blackbird_codec_settings(dev);
 616         msleep(1);
 617
 618         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
 619            blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
 620            blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
 621         blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
 622                         BLACKBIRD_FIELD1_SAA7115,
 623                         BLACKBIRD_FIELD2_SAA7115
 624                 );
 625
 626         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
 627         blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
 628                         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 629                         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 630
 631         /* initialize the video input */
 632         blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
 633
 634         msleep(1);
 635
 636         blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
 637         msleep(1);
 638         blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
 639         msleep(1);
 640
 641         /* start capturing to the host interface */
 642         /* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */
 643         blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
 644                         BLACKBIRD_MPEG_CAPTURE,
 645                         BLACKBIRD_RAW_BITS_NONE
 646                 );
 647         msleep(10);
 648
 649         blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0);
 650         return 0;
 651 }
 652
 653 /* ------------------------------------------------------------------ */
 654
 655 static int bb_buf_setup(struct videobuf_queue *q,
 656                         unsigned int *count, unsigned int *size)
 657 {
 658         struct cx8802_fh *fh = q->priv_data;
 659
 660         fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
 661         fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
 662
 663         *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
 664         *count = fh->dev->ts_packet_count;
 665         return 0;
 666 }
 667
 668 static int
 669 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 670                enum v4l2_field field)
 671 {
 672         struct cx8802_fh *fh = q->priv_data;
 673         return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
 674 }
 675
 676 static void
 677 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 678 {
 679         struct cx8802_fh *fh = q->priv_data;
 680         cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
 681 }
 682
 683 static void
 684 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 685 {
 686         cx88_free_buffer(q, (struct cx88_buffer*)vb);
 687 }
 688
 689 static struct videobuf_queue_ops blackbird_qops = {
 690         .buf_setup    = bb_buf_setup,
 691         .buf_prepare  = bb_buf_prepare,
 692         .buf_queue    = bb_buf_queue,
 693         .buf_release  = bb_buf_release,
 694 };
 695
 696 /* ------------------------------------------------------------------ */
 697
 698 static const u32 *ctrl_classes[] = {
 699         cx88_user_ctrls,
 700         cx2341x_mpeg_ctrls,
 701         NULL
 702 };
 703
 704 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
 705 {
 706         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 707         if (qctrl->id == 0)
 708                 return -EINVAL;
 709
 710         /* Standard V4L2 controls */
 711         if (cx8800_ctrl_query(qctrl) == 0)
 712                 return 0;
 713
 714         /* MPEG V4L2 controls */
 715         if (cx2341x_ctrl_query(&dev->params, qctrl))
 716                 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
 717         return 0;
 718 }
 719
 720 /* ------------------------------------------------------------------ */
 721 /* IOCTL Handlers                                                     */
 722
 723 static int vidioc_querymenu (struct file *file, void *priv,
 724                                 struct v4l2_querymenu *qmenu)
 725 {
 726         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 727         struct v4l2_queryctrl qctrl;
 728
 729         qctrl.id = qmenu->id;
 730         blackbird_queryctrl(dev, &qctrl);
 731         return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
 732 }
 733
 734 static int vidioc_querycap (struct file *file, void  *priv,
 735                                         struct v4l2_capability *cap)
 736 {
 737         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 738         struct cx88_core  *core = dev->core;
 739
 740         strcpy(cap->driver, "cx88_blackbird");
 741         strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card));
 742         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
 743         cap->version = CX88_VERSION_CODE;
 744         cap->capabilities =
 745                 V4L2_CAP_VIDEO_CAPTURE |
 746                 V4L2_CAP_READWRITE     |
 747                 V4L2_CAP_STREAMING;
 748         if (UNSET != core->tuner_type)
 749                 cap->capabilities |= V4L2_CAP_TUNER;
 750         return 0;
 751 }
 752
 753 static int vidioc_enum_fmt_cap (struct file *file, void  *priv,
 754                                         struct v4l2_fmtdesc *f)
 755 {
 756         if (f->index != 0)
 757                 return -EINVAL;
 758
 759         strlcpy(f->description, "MPEG", sizeof(f->description));
 760         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 761         f->pixelformat = V4L2_PIX_FMT_MPEG;
 762         return 0;
 763 }
 764
 765 static int vidioc_g_fmt_cap (struct file *file, void *priv,
 766                                         struct v4l2_format *f)
 767 {
 768         struct cx8802_fh  *fh   = priv;
 769         struct cx8802_dev *dev  = fh->dev;
 770
 771         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 772         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 773         f->fmt.pix.bytesperline = 0;
 774         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
 775         f->fmt.pix.colorspace   = 0;
 776         f->fmt.pix.width        = dev->width;
 777         f->fmt.pix.height       = dev->height;
 778         f->fmt.pix.field        = fh->mpegq.field;
 779         dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
 780                 dev->width, dev->height, fh->mpegq.field );
 781         return 0;
 782 }
 783
 784 static int vidioc_try_fmt_cap (struct file *file, void *priv,
 785                         struct v4l2_format *f)
 786 {
 787         struct cx8802_fh  *fh   = priv;
 788         struct cx8802_dev *dev  = fh->dev;
 789
 790         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 791         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 792         f->fmt.pix.bytesperline = 0;
 793         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 794         f->fmt.pix.colorspace   = 0;
 795         dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
 796                 dev->width, dev->height, fh->mpegq.field );
 797         return 0;
 798 }
 799
 800 static int vidioc_s_fmt_cap (struct file *file, void *priv,
 801                                         struct v4l2_format *f)
 802 {
 803         struct cx8802_fh  *fh   = priv;
 804         struct cx8802_dev *dev  = fh->dev;
 805         struct cx88_core  *core = dev->core;
 806
 807         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 808         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 809         f->fmt.pix.bytesperline = 0;
 810         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 811         f->fmt.pix.colorspace   = 0;
 812         dev->width              = f->fmt.pix.width;
 813         dev->height             = f->fmt.pix.height;
 814         fh->mpegq.field         = f->fmt.pix.field;
 815         cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
 816         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 817                                 f->fmt.pix.height, f->fmt.pix.width);
 818         dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
 819                 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
 820         return 0;
 821 }
 822
 823 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
 824 {
 825         struct cx8802_fh  *fh   = priv;
 826         return (videobuf_reqbufs(&fh->mpegq, p));
 827 }
 828
 829 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
 830 {
 831         struct cx8802_fh  *fh   = priv;
 832         return (videobuf_querybuf(&fh->mpegq, p));
 833 }
 834
 835 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 836 {
 837         struct cx8802_fh  *fh   = priv;
 838         return (videobuf_qbuf(&fh->mpegq, p));
 839 }
 840
 841 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 842 {
 843         struct cx8802_fh  *fh   = priv;
 844         return (videobuf_dqbuf(&fh->mpegq, p,
 845                                 file->f_flags & O_NONBLOCK));
 846 }
 847
 848 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 849 {
 850         struct cx8802_fh  *fh   = priv;
 851         return videobuf_streamon(&fh->mpegq);
 852 }
 853
 854 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
 855 {
 856         struct cx8802_fh  *fh   = priv;
 857         return videobuf_streamoff(&fh->mpegq);
 858 }
 859
 860 static int vidioc_g_mpegcomp (struct file *file, void *fh,
 861                               struct v4l2_mpeg_compression *f)
 862 {
 863         printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. "
 864                                 "Replace with VIDIOC_G_EXT_CTRLS!");
 865         memcpy(f,&default_mpeg_params,sizeof(*f));
 866         return 0;
 867 }
 868
 869 static int vidioc_s_mpegcomp (struct file *file, void *fh,
 870                               struct v4l2_mpeg_compression *f)
 871 {
 872         printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. "
 873                                 "Replace with VIDIOC_S_EXT_CTRLS!");
 874         return 0;
 875 }
 876
 877 static int vidioc_g_ext_ctrls (struct file *file, void *priv,
 878                                struct v4l2_ext_controls *f)
 879 {
 880         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 881
 882         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 883                 return -EINVAL;
 884         return cx2341x_ext_ctrls(&dev->params, f, VIDIOC_G_EXT_CTRLS);
 885 }
 886
 887 static int vidioc_s_ext_ctrls (struct file *file, void *priv,
 888                                struct v4l2_ext_controls *f)
 889 {
 890         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 891         struct cx2341x_mpeg_params p;
 892         int err;
 893
 894         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 895                 return -EINVAL;
 896         p = dev->params;
 897         err = cx2341x_ext_ctrls(&p, f, VIDIOC_S_EXT_CTRLS);
 898         if (!err) {
 899                 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
 900                 dev->params = p;
 901         }
 902         return err;
 903 }
 904
 905 static int vidioc_try_ext_ctrls (struct file *file, void *priv,
 906                                struct v4l2_ext_controls *f)
 907 {
 908         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 909         struct cx2341x_mpeg_params p;
 910         int err;
 911
 912         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 913                 return -EINVAL;
 914         p = dev->params;
 915         err = cx2341x_ext_ctrls(&p, f, VIDIOC_TRY_EXT_CTRLS);
 916
 917         return err;
 918 }
 919
 920 static int vidioc_s_frequency (struct file *file, void *priv,
 921                                 struct v4l2_frequency *f)
 922 {
 923         struct cx8802_fh  *fh   = priv;
 924         struct cx8802_dev *dev  = fh->dev;
 925         struct cx88_core  *core = dev->core;
 926
 927         blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
 928                                 BLACKBIRD_END_NOW,
 929                                 BLACKBIRD_MPEG_CAPTURE,
 930                                 BLACKBIRD_RAW_BITS_NONE);
 931         cx88_set_freq (core,f);
 932         blackbird_initialize_codec(dev);
 933         cx88_set_scale(dev->core, dev->width, dev->height,
 934                         fh->mpegq.field);
 935         return 0;
 936 }
 937
 938 static int vidioc_log_status (struct file *file, void *priv)
 939 {
 940         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 941         struct cx88_core  *core = dev->core;
 942         char name[32 + 2];
 943
 944         snprintf(name, sizeof(name), "%s/2", core->name);
 945         printk("%s/2: ============  START LOG STATUS  ============\n",
 946                 core->name);
 947         cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
 948         cx2341x_log_status(&dev->params, name);
 949         printk("%s/2: =============  END LOG STATUS  =============\n",
 950                 core->name);
 951         return 0;
 952 }
 953
 954 static int vidioc_queryctrl (struct file *file, void *priv,
 955                                 struct v4l2_queryctrl *qctrl)
 956 {
 957         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 958
 959         if (blackbird_queryctrl(dev, qctrl) == 0)
 960                 return 0;
 961
 962         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 963         if (unlikely(qctrl->id == 0))
 964                 return -EINVAL;
 965         return cx8800_ctrl_query(qctrl);
 966 }
 967
 968 static int vidioc_enum_input (struct file *file, void *priv,
 969                                 struct v4l2_input *i)
 970 {
 971         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 972         return cx88_enum_input (core,i);
 973 }
 974
 975 static int vidioc_g_ctrl (struct file *file, void *priv,
 976                                 struct v4l2_control *ctl)
 977 {
 978         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 979         return
 980                 cx88_get_control(core,ctl);
 981 }
 982
 983 static int vidioc_s_ctrl (struct file *file, void *priv,
 984                                 struct v4l2_control *ctl)
 985 {
 986         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 987         return
 988                 cx88_set_control(core,ctl);
 989 }
 990
 991 static int vidioc_g_frequency (struct file *file, void *priv,
 992                                 struct v4l2_frequency *f)
 993 {
 994         struct cx8802_fh  *fh   = priv;
 995         struct cx88_core  *core = fh->dev->core;
 996
 997         if (unlikely(UNSET == core->tuner_type))
 998                 return -EINVAL;
 999
1000         f->type = V4L2_TUNER_ANALOG_TV;
1001         f->frequency = core->freq;
1002         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1003
1004         return 0;
1005 }
1006
1007 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1008 {
1009         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1010
1011         *i = core->input;
1012         return 0;
1013 }
1014
1015 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1016 {
1017         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1018
1019         if (i >= 4)
1020                 return -EINVAL;
1021
1022         mutex_lock(&core->lock);
1023         cx88_newstation(core);
1024         cx88_video_mux(core,i);
1025         mutex_unlock(&core->lock);
1026         return 0;
1027 }
1028
1029 static int vidioc_g_tuner (struct file *file, void *priv,
1030                                 struct v4l2_tuner *t)
1031 {
1032         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1033         u32 reg;
1034
1035         if (unlikely(UNSET == core->tuner_type))
1036                 return -EINVAL;
1037
1038         strcpy(t->name, "Television");
1039         t->type       = V4L2_TUNER_ANALOG_TV;
1040         t->capability = V4L2_TUNER_CAP_NORM;
1041         t->rangehigh  = 0xffffffffUL;
1042
1043         cx88_get_stereo(core ,t);
1044         reg = cx_read(MO_DEVICE_STATUS);
1045         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1046         return 0;
1047 }
1048
1049 static int vidioc_s_tuner (struct file *file, void *priv,
1050                                 struct v4l2_tuner *t)
1051 {
1052         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1053
1054         if (UNSET == core->tuner_type)
1055                 return -EINVAL;
1056         if (0 != t->index)
1057                 return -EINVAL;
1058
1059         cx88_set_stereo(core, t->audmode, 1);
1060         return 0;
1061 }
1062
1063 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1064 {
1065         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1066
1067         mutex_lock(&core->lock);
1068         cx88_set_tvnorm(core,*id);
1069         mutex_unlock(&core->lock);
1070         return 0;
1071 }
1072
1073 /* FIXME: cx88_ioctl_hook not implemented */
1074
1075 static int mpeg_open(struct inode *inode, struct file *file)
1076 {
1077         int minor = iminor(inode);
1078         struct cx8802_dev *dev = NULL;
1079         struct cx8802_fh *fh;
1080         struct cx8802_driver *drv = NULL;
1081         int err;
1082
1083        dev = cx8802_get_device(inode);
1084
1085         dprintk( 1, "%s\n", __FUNCTION__);
1086
1087         if (dev == NULL)
1088                 return -ENODEV;
1089
1090         /* Make sure we can acquire the hardware */
1091         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1092         if (drv) {
1093                 err = drv->request_acquire(drv);
1094                 if(err != 0) {
1095                         dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err);
1096                         return err;
1097                 }
1098         }
1099
1100         if (blackbird_initialize_codec(dev) < 0) {
1101                 if (drv)
1102                         drv->request_release(drv);
1103                 return -EINVAL;
1104         }
1105         dprintk(1,"open minor=%d\n",minor);
1106
1107         /* allocate + initialize per filehandle data */
1108         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1109         if (NULL == fh) {
1110                 if (drv)
1111                         drv->request_release(drv);
1112                 return -ENOMEM;
1113         }
1114         file->private_data = fh;
1115         fh->dev      = dev;
1116
1117         videobuf_queue_init(&fh->mpegq, &blackbird_qops,
1118                             dev->pci, &dev->slock,
1119                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1120                             V4L2_FIELD_INTERLACED,
1121                             sizeof(struct cx88_buffer),
1122                             fh);
1123
1124         /* FIXME: locking against other video device */
1125         cx88_set_scale(dev->core, dev->width, dev->height,
1126                         fh->mpegq.field);
1127
1128         return 0;
1129 }
1130
1131 static int mpeg_release(struct inode *inode, struct file *file)
1132 {
1133         struct cx8802_fh  *fh  = file->private_data;
1134         struct cx8802_dev *dev = NULL;
1135         struct cx8802_driver *drv = NULL;
1136
1137         /* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
1138         blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1139                         BLACKBIRD_END_NOW,
1140                         BLACKBIRD_MPEG_CAPTURE,
1141                         BLACKBIRD_RAW_BITS_NONE
1142                 );
1143
1144         cx8802_cancel_buffers(fh->dev);
1145         /* stop mpeg capture */
1146         if (fh->mpegq.streaming)
1147                 videobuf_streamoff(&fh->mpegq);
1148         if (fh->mpegq.reading)
1149                 videobuf_read_stop(&fh->mpegq);
1150
1151         videobuf_mmap_free(&fh->mpegq);
1152         file->private_data = NULL;
1153         kfree(fh);
1154
1155         /* Make sure we release the hardware */
1156         dev = cx8802_get_device(inode);
1157         if (dev == NULL)
1158                 return -ENODEV;
1159
1160         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1161         if (drv)
1162                 drv->request_release(drv);
1163
1164         return 0;
1165 }
1166
1167 static ssize_t
1168 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1169 {
1170         struct cx8802_fh *fh = file->private_data;
1171
1172         return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1173                                     file->f_flags & O_NONBLOCK);
1174 }
1175
1176 static unsigned int
1177 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1178 {
1179         struct cx8802_fh *fh = file->private_data;
1180
1181         return videobuf_poll_stream(file, &fh->mpegq, wait);
1182 }
1183
1184 static int
1185 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1186 {
1187         struct cx8802_fh *fh = file->private_data;
1188
1189         return videobuf_mmap_mapper(&fh->mpegq, vma);
1190 }
1191
1192 static const struct file_operations mpeg_fops =
1193 {
1194         .owner         = THIS_MODULE,
1195         .open          = mpeg_open,
1196         .release       = mpeg_release,
1197         .read          = mpeg_read,
1198         .poll          = mpeg_poll,
1199         .mmap          = mpeg_mmap,
1200         .ioctl         = video_ioctl2,
1201         .llseek        = no_llseek,
1202 };
1203
1204 static struct video_device cx8802_mpeg_template =
1205 {
1206         .name                 = "cx8802",
1207         .type                 = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
1208         .fops                 = &mpeg_fops,
1209         .minor                = -1,
1210         .vidioc_querymenu     = vidioc_querymenu,
1211         .vidioc_querycap      = vidioc_querycap,
1212         .vidioc_enum_fmt_cap  = vidioc_enum_fmt_cap,
1213         .vidioc_g_fmt_cap     = vidioc_g_fmt_cap,
1214         .vidioc_try_fmt_cap   = vidioc_try_fmt_cap,
1215         .vidioc_s_fmt_cap     = vidioc_s_fmt_cap,
1216         .vidioc_reqbufs       = vidioc_reqbufs,
1217         .vidioc_querybuf      = vidioc_querybuf,
1218         .vidioc_qbuf          = vidioc_qbuf,
1219         .vidioc_dqbuf         = vidioc_dqbuf,
1220         .vidioc_streamon      = vidioc_streamon,
1221         .vidioc_streamoff     = vidioc_streamoff,
1222         .vidioc_g_mpegcomp    = vidioc_g_mpegcomp,
1223         .vidioc_s_mpegcomp    = vidioc_s_mpegcomp,
1224         .vidioc_g_ext_ctrls   = vidioc_g_ext_ctrls,
1225         .vidioc_s_ext_ctrls   = vidioc_s_ext_ctrls,
1226         .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1227         .vidioc_s_frequency   = vidioc_s_frequency,
1228         .vidioc_log_status    = vidioc_log_status,
1229         .vidioc_queryctrl     = vidioc_queryctrl,
1230         .vidioc_enum_input    = vidioc_enum_input,
1231         .vidioc_g_ctrl        = vidioc_g_ctrl,
1232         .vidioc_s_ctrl        = vidioc_s_ctrl,
1233         .vidioc_g_frequency   = vidioc_g_frequency,
1234         .vidioc_g_input       = vidioc_g_input,
1235         .vidioc_s_input       = vidioc_s_input,
1236         .vidioc_g_tuner       = vidioc_g_tuner,
1237         .vidioc_s_tuner       = vidioc_s_tuner,
1238         .vidioc_s_std         = vidioc_s_std,
1239         .tvnorms              = CX88_NORMS,
1240        .current_norm         = V4L2_STD_NTSC_M,
1241 };
1242
1243 /* ------------------------------------------------------------------ */
1244
1245 /* The CX8802 MPEG API will call this when we can use the hardware */
1246 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1247 {
1248         struct cx88_core *core = drv->core;
1249         int err = 0;
1250
1251         switch (core->board) {
1252         case CX88_BOARD_HAUPPAUGE_HVR1300:
1253                 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1254                  * We left the hardware on power up with the cx22702 active.
1255                  * We're being given access to re-arrange the GPIOs.
1256                  * Take the bus off the cx22702 and put the cx23416 on it.
1257                  */
1258                 cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
1259                 cx_set(MO_GP0_IO,   0x00000004); /* Disable the cx22702 */
1260                 break;
1261         default:
1262                 err = -ENODEV;
1263         }
1264         return err;
1265 }
1266
1267 /* The CX8802 MPEG API will call this when we need to release the hardware */
1268 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1269 {
1270         struct cx88_core *core = drv->core;
1271         int err = 0;
1272
1273         switch (core->board) {
1274         case CX88_BOARD_HAUPPAUGE_HVR1300:
1275                 /* Exit leaving the cx23416 on the bus */
1276                 break;
1277         default:
1278                 err = -ENODEV;
1279         }
1280         return err;
1281 }
1282
1283 static void blackbird_unregister_video(struct cx8802_dev *dev)
1284 {
1285         if (dev->mpeg_dev) {
1286                 if (-1 != dev->mpeg_dev->minor)
1287                         video_unregister_device(dev->mpeg_dev);
1288                 else
1289                         video_device_release(dev->mpeg_dev);
1290                 dev->mpeg_dev = NULL;
1291         }
1292 }
1293
1294 static int blackbird_register_video(struct cx8802_dev *dev)
1295 {
1296         int err;
1297
1298         dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1299                                        &cx8802_mpeg_template,"mpeg");
1300         err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1301         if (err < 0) {
1302                 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1303                        dev->core->name);
1304                 return err;
1305         }
1306         printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1307                dev->core->name,dev->mpeg_dev->minor & 0x1f);
1308         return 0;
1309 }
1310
1311 /* ----------------------------------------------------------- */
1312
1313 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1314 {
1315         struct cx88_core *core = drv->core;
1316         struct cx8802_dev *dev = core->dvbdev;
1317         int err;
1318
1319         dprintk( 1, "%s\n", __FUNCTION__);
1320         dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1321                 core->board,
1322                 core->name,
1323                 core->pci_bus,
1324                 core->pci_slot);
1325
1326         err = -ENODEV;
1327         if (!(cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD))
1328                 goto fail_core;
1329
1330         dev->width = 720;
1331         dev->height = 576;
1332         cx2341x_fill_defaults(&dev->params);
1333         dev->params.port = CX2341X_PORT_STREAMING;
1334
1335         cx8802_mpeg_template.current_norm = core->tvnorm;
1336
1337         if (core->tvnorm & V4L2_STD_525_60) {
1338                 dev->height = 480;
1339         } else {
1340                 dev->height = 576;
1341         }
1342
1343         /* blackbird stuff */
1344         printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1345                core->name);
1346         host_setup(dev->core);
1347
1348         blackbird_register_video(dev);
1349
1350         /* initial device configuration: needed ? */
1351         mutex_lock(&dev->core->lock);
1352 //      init_controls(core);
1353         cx88_set_tvnorm(core,core->tvnorm);
1354         cx88_video_mux(core,0);
1355         mutex_unlock(&dev->core->lock);
1356
1357         return 0;
1358
1359  fail_core:
1360         return err;
1361 }
1362
1363 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1364 {
1365         /* blackbird */
1366         blackbird_unregister_video(drv->core->dvbdev);
1367
1368         return 0;
1369 }
1370
1371 static struct cx8802_driver cx8802_blackbird_driver = {
1372         .type_id        = CX88_MPEG_BLACKBIRD,
1373         .hw_access      = CX8802_DRVCTL_SHARED,
1374         .probe          = cx8802_blackbird_probe,
1375         .remove         = cx8802_blackbird_remove,
1376         .advise_acquire = cx8802_blackbird_advise_acquire,
1377         .advise_release = cx8802_blackbird_advise_release,
1378 };
1379
1380 static int blackbird_init(void)
1381 {
1382         printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1383                (CX88_VERSION_CODE >> 16) & 0xff,
1384                (CX88_VERSION_CODE >>  8) & 0xff,
1385                CX88_VERSION_CODE & 0xff);
1386 #ifdef SNAPSHOT
1387         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1388                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1389 #endif
1390         return cx8802_register_driver(&cx8802_blackbird_driver);
1391 }
1392
1393 static void blackbird_fini(void)
1394 {
1395         cx8802_unregister_driver(&cx8802_blackbird_driver);
1396 }
1397
1398 module_init(blackbird_init);
1399 module_exit(blackbird_fini);
1400
1401 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1402 MODULE_PARM_DESC(debug,"enable debug messages [video]");
1403
1404 /* ----------------------------------------------------------- */
1405 /*
1406  * Local variables:
1407  * c-basic-offset: 8
1408  * End:
1409  * 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
1410  */