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 BLACKBIRD_FIRM_IMAGE_SIZE 376836
  60
  61 /* defines below are from ivtv-driver.h */
  62
  63 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
  64
  65 /* Firmware API commands */
  66 #define IVTV_API_STD_TIMEOUT 500
  67
  68 enum blackbird_capture_type {
  69         BLACKBIRD_MPEG_CAPTURE,
  70         BLACKBIRD_RAW_CAPTURE,
  71         BLACKBIRD_RAW_PASSTHRU_CAPTURE
  72 };
  73 enum blackbird_capture_bits {
  74         BLACKBIRD_RAW_BITS_NONE             = 0x00,
  75         BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
  76         BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
  77         BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
  78         BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
  79         BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
  80 };
  81 enum blackbird_capture_end {
  82         BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
  83         BLACKBIRD_END_NOW, /* stop immediately, no irq */
  84 };
  85 enum blackbird_framerate {
  86         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
  87         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
  88 };
  89 enum blackbird_stream_port {
  90         BLACKBIRD_OUTPUT_PORT_MEMORY,
  91         BLACKBIRD_OUTPUT_PORT_STREAMING,
  92         BLACKBIRD_OUTPUT_PORT_SERIAL
  93 };
  94 enum blackbird_data_xfer_status {
  95         BLACKBIRD_MORE_BUFFERS_FOLLOW,
  96         BLACKBIRD_LAST_BUFFER,
  97 };
  98 enum blackbird_picture_mask {
  99         BLACKBIRD_PICTURE_MASK_NONE,
 100         BLACKBIRD_PICTURE_MASK_I_FRAMES,
 101         BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
 102         BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
 103 };
 104 enum blackbird_vbi_mode_bits {
 105         BLACKBIRD_VBI_BITS_SLICED,
 106         BLACKBIRD_VBI_BITS_RAW,
 107 };
 108 enum blackbird_vbi_insertion_bits {
 109         BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 110         BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 111         BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 112         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 113         BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 114 };
 115 enum blackbird_dma_unit {
 116         BLACKBIRD_DMA_BYTES,
 117         BLACKBIRD_DMA_FRAMES,
 118 };
 119 enum blackbird_dma_transfer_status_bits {
 120         BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
 121         BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
 122         BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 123 };
 124 enum blackbird_pause {
 125         BLACKBIRD_PAUSE_ENCODING,
 126         BLACKBIRD_RESUME_ENCODING,
 127 };
 128 enum blackbird_copyright {
 129         BLACKBIRD_COPYRIGHT_OFF,
 130         BLACKBIRD_COPYRIGHT_ON,
 131 };
 132 enum blackbird_notification_type {
 133         BLACKBIRD_NOTIFICATION_REFRESH,
 134 };
 135 enum blackbird_notification_status {
 136         BLACKBIRD_NOTIFICATION_OFF,
 137         BLACKBIRD_NOTIFICATION_ON,
 138 };
 139 enum blackbird_notification_mailbox {
 140         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 141 };
 142 enum blackbird_field1_lines {
 143         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 144         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 145         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 146 };
 147 enum blackbird_field2_lines {
 148         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 149         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 150         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 151 };
 152 enum blackbird_custom_data_type {
 153         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 154         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 155 };
 156 enum blackbird_mute {
 157         BLACKBIRD_UNMUTE,
 158         BLACKBIRD_MUTE,
 159 };
 160 enum blackbird_mute_video_mask {
 161         BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
 162         BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
 163         BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
 164 };
 165 enum blackbird_mute_video_shift {
 166         BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
 167         BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
 168         BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
 169 };
 170
 171 /* Registers */
 172 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
 173 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
 174 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
 175 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
 176 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
 177 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
 178
 179 /* ------------------------------------------------------------------ */
 180
 181 static void host_setup(struct cx88_core *core)
 182 {
 183         /* toggle reset of the host */
 184         cx_write(MO_GPHST_SOFT_RST, 1);
 185         udelay(100);
 186         cx_write(MO_GPHST_SOFT_RST, 0);
 187         udelay(100);
 188
 189         /* host port setup */
 190         cx_write(MO_GPHST_WSC, 0x44444444U);
 191         cx_write(MO_GPHST_XFR, 0);
 192         cx_write(MO_GPHST_WDTH, 15);
 193         cx_write(MO_GPHST_HDSHK, 0);
 194         cx_write(MO_GPHST_MUX16, 0x44448888U);
 195         cx_write(MO_GPHST_MODE, 0);
 196 }
 197
 198 /* ------------------------------------------------------------------ */
 199
 200 #define P1_MDATA0 0x390000
 201 #define P1_MDATA1 0x390001
 202 #define P1_MDATA2 0x390002
 203 #define P1_MDATA3 0x390003
 204 #define P1_MADDR2 0x390004
 205 #define P1_MADDR1 0x390005
 206 #define P1_MADDR0 0x390006
 207 #define P1_RDATA0 0x390008
 208 #define P1_RDATA1 0x390009
 209 #define P1_RDATA2 0x39000A
 210 #define P1_RDATA3 0x39000B
 211 #define P1_RADDR0 0x39000C
 212 #define P1_RADDR1 0x39000D
 213 #define P1_RRDWR  0x39000E
 214
 215 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
 216 {
 217         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 218         u32 gpio0,need;
 219
 220         need = state ? 2 : 0;
 221         for (;;) {
 222                 gpio0 = cx_read(MO_GP0_IO) & 2;
 223                 if (need == gpio0)
 224                         return 0;
 225                 if (time_after(jiffies,timeout))
 226                         return -1;
 227                 udelay(1);
 228         }
 229 }
 230
 231 static int memory_write(struct cx88_core *core, u32 address, u32 value)
 232 {
 233         /* Warning: address is dword address (4 bytes) */
 234         cx_writeb(P1_MDATA0, (unsigned int)value);
 235         cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
 236         cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
 237         cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
 238         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
 239         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 240         cx_writeb(P1_MADDR0, (unsigned int)address);
 241         cx_read(P1_MDATA0);
 242         cx_read(P1_MADDR0);
 243
 244         return wait_ready_gpio0_bit1(core,1);
 245 }
 246
 247 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
 248 {
 249         int retval;
 250         u32 val;
 251
 252         /* Warning: address is dword address (4 bytes) */
 253         cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
 254         cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
 255         cx_writeb(P1_MADDR0, (unsigned int)address);
 256         cx_read(P1_MADDR0);
 257
 258         retval = wait_ready_gpio0_bit1(core,1);
 259
 260         cx_writeb(P1_MDATA3, 0);
 261         val     = (unsigned char)cx_read(P1_MDATA3) << 24;
 262         cx_writeb(P1_MDATA2, 0);
 263         val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
 264         cx_writeb(P1_MDATA1, 0);
 265         val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
 266         cx_writeb(P1_MDATA0, 0);
 267         val    |= (unsigned char)cx_read(P1_MDATA0);
 268
 269         *value  = val;
 270         return retval;
 271 }
 272
 273 static int register_write(struct cx88_core *core, u32 address, u32 value)
 274 {
 275         cx_writeb(P1_RDATA0, (unsigned int)value);
 276         cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
 277         cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
 278         cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
 279         cx_writeb(P1_RADDR0, (unsigned int)address);
 280         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 281         cx_writeb(P1_RRDWR, 1);
 282         cx_read(P1_RDATA0);
 283         cx_read(P1_RADDR0);
 284
 285         return wait_ready_gpio0_bit1(core,1);
 286 }
 287
 288
 289 static int register_read(struct cx88_core *core, u32 address, u32 *value)
 290 {
 291         int retval;
 292         u32 val;
 293
 294         cx_writeb(P1_RADDR0, (unsigned int)address);
 295         cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
 296         cx_writeb(P1_RRDWR, 0);
 297         cx_read(P1_RADDR0);
 298
 299         retval  = wait_ready_gpio0_bit1(core,1);
 300         val     = (unsigned char)cx_read(P1_RDATA0);
 301         val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
 302         val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
 303         val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
 304
 305         *value  = val;
 306         return retval;
 307 }
 308
 309 /* ------------------------------------------------------------------ */
 310
 311 static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
 312 {
 313         struct cx8802_dev *dev = priv;
 314         unsigned long timeout;
 315         u32 value, flag, retval;
 316         int i;
 317
 318         dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
 319
 320         /* this may not be 100% safe if we can't read any memory location
 321            without side effects */
 322         memory_read(dev->core, dev->mailbox - 4, &value);
 323         if (value != 0x12345678) {
 324                 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
 325                 return -1;
 326         }
 327
 328         memory_read(dev->core, dev->mailbox, &flag);
 329         if (flag) {
 330                 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 331                 return -1;
 332         }
 333
 334         flag |= 1; /* tell 'em we're working on it */
 335         memory_write(dev->core, dev->mailbox, flag);
 336
 337         /* write command + args + fill remaining with zeros */
 338         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 339         memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
 340         for (i = 0; i < in; i++) {
 341                 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
 342                 dprintk(1, "API Input %d = %d\n", i, data[i]);
 343         }
 344         for (; i < CX2341X_MBOX_MAX_DATA; i++)
 345                 memory_write(dev->core, dev->mailbox + 4 + i, 0);
 346
 347         flag |= 3; /* tell 'em we're done writing */
 348         memory_write(dev->core, dev->mailbox, flag);
 349
 350         /* wait for firmware to handle the API command */
 351         timeout = jiffies + msecs_to_jiffies(10);
 352         for (;;) {
 353                 memory_read(dev->core, dev->mailbox, &flag);
 354                 if (0 != (flag & 4))
 355                         break;
 356                 if (time_after(jiffies,timeout)) {
 357                         dprintk(0, "ERROR: API Mailbox timeout\n");
 358                         return -1;
 359                 }
 360                 udelay(10);
 361         }
 362
 363         /* read output values */
 364         for (i = 0; i < out; i++) {
 365                 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
 366                 dprintk(1, "API Output %d = %d\n", i, data[i]);
 367         }
 368
 369         memory_read(dev->core, dev->mailbox + 2, &retval);
 370         dprintk(1, "API result = %d\n",retval);
 371
 372         flag = 0;
 373         memory_write(dev->core, dev->mailbox, flag);
 374         return retval;
 375 }
 376 /* ------------------------------------------------------------------ */
 377
 378 /* We don't need to call the API often, so using just one mailbox will probably suffice */
 379 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
 380                              u32 inputcnt, u32 outputcnt, ...)
 381 {
 382         u32 data[CX2341X_MBOX_MAX_DATA];
 383         va_list vargs;
 384         int i, err;
 385
 386         va_start(vargs, outputcnt);
 387
 388         for (i = 0; i < inputcnt; i++) {
 389                 data[i] = va_arg(vargs, int);
 390         }
 391         err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
 392         for (i = 0; i < outputcnt; i++) {
 393                 int *vptr = va_arg(vargs, int *);
 394                 *vptr = data[i];
 395         }
 396         va_end(vargs);
 397         return err;
 398 }
 399
 400 static int blackbird_find_mailbox(struct cx8802_dev *dev)
 401 {
 402         u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
 403         int signaturecnt=0;
 404         u32 value;
 405         int i;
 406
 407         for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 408                 memory_read(dev->core, i, &value);
 409                 if (value == signature[signaturecnt])
 410                         signaturecnt++;
 411                 else
 412                         signaturecnt = 0;
 413                 if (4 == signaturecnt) {
 414                         dprintk(1, "Mailbox signature found\n");
 415                         return i+1;
 416                 }
 417         }
 418         dprintk(0, "Mailbox signature values not found!\n");
 419         return -1;
 420 }
 421
 422 static int blackbird_load_firmware(struct cx8802_dev *dev)
 423 {
 424         static const unsigned char magic[8] = {
 425                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 426         };
 427         const struct firmware *firmware;
 428         int i, retval = 0;
 429         u32 value = 0;
 430         u32 checksum = 0;
 431         u32 *dataptr;
 432
 433         retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 434         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 435         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
 436         retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 437         msleep(1);
 438         retval |= register_write(dev->core, IVTV_REG_APU, 0);
 439
 440         if (retval < 0)
 441                 dprintk(0, "Error with register_write\n");
 442
 443         retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
 444                                   &dev->pci->dev);
 445
 446
 447         if (retval != 0) {
 448                 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
 449                         CX2341X_FIRM_ENC_FILENAME);
 450                 dprintk(0, "Please fix your hotplug setup, the board will "
 451                         "not work without firmware loaded!\n");
 452                 return -1;
 453         }
 454
 455         if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 456                 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
 457                         firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 458                 release_firmware(firmware);
 459                 return -1;
 460         }
 461
 462         if (0 != memcmp(firmware->data, magic, 8)) {
 463                 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
 464                 release_firmware(firmware);
 465                 return -1;
 466         }
 467
 468         /* transfer to the chip */
 469         dprintk(1,"Loading firmware ...\n");
 470         dataptr = (u32*)firmware->data;
 471         for (i = 0; i < (firmware->size >> 2); i++) {
 472                 value = *dataptr;
 473                 checksum += ~value;
 474                 memory_write(dev->core, i, value);
 475                 dataptr++;
 476         }
 477
 478         /* read back to verify with the checksum */
 479         for (i--; i >= 0; i--) {
 480                 memory_read(dev->core, i, &value);
 481                 checksum -= ~value;
 482         }
 483         if (checksum) {
 484                 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
 485                 release_firmware(firmware);
 486                 return -1;
 487         }
 488         release_firmware(firmware);
 489         dprintk(0, "Firmware upload successful.\n");
 490
 491         retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 492         retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 493         retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 494         msleep(1);
 495
 496         retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 497         retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 498
 499         if (retval < 0)
 500                 dprintk(0, "Error with register_write\n");
 501         return 0;
 502 }
 503
 504 /**
 505  Settings used by the windows tv app for PVR2000:
 506 =================================================================================================================
 507 Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 508 -----------------------------------------------------------------------------------------------------------------
 509 MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 510 MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 511 VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 512 DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 513 DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 514 =================================================================================================================
 515 *DB: "DirectBurn"
 516 */
 517
 518 static void blackbird_codec_settings(struct cx8802_dev *dev)
 519 {
 520         /* assign frame size */
 521         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 522                                 dev->height, dev->width);
 523
 524         dev->params.width = dev->width;
 525         dev->params.height = dev->height;
 526         dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
 527
 528         cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
 529 }
 530
 531 static struct v4l2_mpeg_compression default_mpeg_params = {
 532         .st_type          = V4L2_MPEG_PS_2,
 533         .st_bitrate       = {
 534                 .mode     = V4L2_BITRATE_CBR,
 535                 .min      = 0,
 536                 .target   = 0,
 537                 .max      = 0
 538         },
 539         .ts_pid_pmt       = 16,
 540         .ts_pid_audio     = 260,
 541         .ts_pid_video     = 256,
 542         .ts_pid_pcr       = 259,
 543         .ps_size          = 0,
 544         .au_type          = V4L2_MPEG_AU_2_II,
 545         .au_bitrate       = {
 546                 .mode     = V4L2_BITRATE_CBR,
 547                 .min      = 224,
 548                 .target   = 224,
 549                 .max      = 224
 550         },
 551         .au_sample_rate    = 48000,
 552         .au_pesid          = 0,
 553         .vi_type           = V4L2_MPEG_VI_2,
 554         .vi_aspect_ratio   = V4L2_MPEG_ASPECT_4_3,
 555         .vi_bitrate        = {
 556                 .mode      = V4L2_BITRATE_CBR,
 557                 .min       = 4000,
 558                 .target    = 4500,
 559                 .max       = 6000
 560         },
 561         .vi_frame_rate     = 25,
 562         .vi_frames_per_gop = 12,
 563         .vi_bframes_count  = 2,
 564         .vi_pesid          = 0,
 565         .closed_gops       = 1,
 566         .pulldown          = 0
 567 };
 568
 569 static int blackbird_initialize_codec(struct cx8802_dev *dev)
 570 {
 571         struct cx88_core *core = dev->core;
 572         int version;
 573         int retval;
 574
 575         dprintk(1,"Initialize codec\n");
 576         retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 577         if (retval < 0) {
 578                 /* ping was not successful, reset and upload firmware */
 579                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 580                 msleep(1);
 581                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 582                 msleep(1);
 583                 retval = blackbird_load_firmware(dev);
 584                 if (retval < 0)
 585                         return retval;
 586
 587                 dev->mailbox = blackbird_find_mailbox(dev);
 588                 if (dev->mailbox < 0)
 589                         return -1;
 590
 591                 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 592                 if (retval < 0) {
 593                         dprintk(0, "ERROR: Firmware ping failed!\n");
 594                         return -1;
 595                 }
 596
 597                 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
 598                 if (retval < 0) {
 599                         dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 600                         return -1;
 601                 }
 602                 dprintk(0, "Firmware version is 0x%08x\n", version);
 603         }
 604         msleep(1);
 605
 606         cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 607         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 608         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 609         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 610
 611         blackbird_codec_settings(dev);
 612         msleep(1);
 613
 614         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
 615            blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
 616            blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
 617         blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
 618                         BLACKBIRD_FIELD1_SAA7115,
 619                         BLACKBIRD_FIELD2_SAA7115
 620                 );
 621
 622         /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
 623         blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
 624                         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 625                         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 626
 627         /* initialize the video input */
 628         blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
 629
 630         msleep(1);
 631
 632         blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
 633         msleep(1);
 634         blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
 635         msleep(1);
 636
 637         /* start capturing to the host interface */
 638         /* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */
 639         blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
 640                         BLACKBIRD_MPEG_CAPTURE,
 641                         BLACKBIRD_RAW_BITS_NONE
 642                 );
 643         msleep(10);
 644
 645         blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0);
 646         return 0;
 647 }
 648
 649 /* ------------------------------------------------------------------ */
 650
 651 static int bb_buf_setup(struct videobuf_queue *q,
 652                         unsigned int *count, unsigned int *size)
 653 {
 654         struct cx8802_fh *fh = q->priv_data;
 655
 656         fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
 657         fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
 658
 659         *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
 660         *count = fh->dev->ts_packet_count;
 661         return 0;
 662 }
 663
 664 static int
 665 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 666                enum v4l2_field field)
 667 {
 668         struct cx8802_fh *fh = q->priv_data;
 669         return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
 670 }
 671
 672 static void
 673 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 674 {
 675         struct cx8802_fh *fh = q->priv_data;
 676         cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
 677 }
 678
 679 static void
 680 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 681 {
 682         cx88_free_buffer(q, (struct cx88_buffer*)vb);
 683 }
 684
 685 static struct videobuf_queue_ops blackbird_qops = {
 686         .buf_setup    = bb_buf_setup,
 687         .buf_prepare  = bb_buf_prepare,
 688         .buf_queue    = bb_buf_queue,
 689         .buf_release  = bb_buf_release,
 690 };
 691
 692 /* ------------------------------------------------------------------ */
 693
 694 static const u32 *ctrl_classes[] = {
 695         cx88_user_ctrls,
 696         cx2341x_mpeg_ctrls,
 697         NULL
 698 };
 699
 700 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
 701 {
 702         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 703         if (qctrl->id == 0)
 704                 return -EINVAL;
 705
 706         /* Standard V4L2 controls */
 707         if (cx8800_ctrl_query(qctrl) == 0)
 708                 return 0;
 709
 710         /* MPEG V4L2 controls */
 711         if (cx2341x_ctrl_query(&dev->params, qctrl))
 712                 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
 713         return 0;
 714 }
 715
 716 /* ------------------------------------------------------------------ */
 717 /* IOCTL Handlers                                                     */
 718
 719 static int vidioc_querymenu (struct file *file, void *priv,
 720                                 struct v4l2_querymenu *qmenu)
 721 {
 722         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 723         struct v4l2_queryctrl qctrl;
 724
 725         qctrl.id = qmenu->id;
 726         blackbird_queryctrl(dev, &qctrl);
 727         return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
 728 }
 729
 730 static int vidioc_querycap (struct file *file, void  *priv,
 731                                         struct v4l2_capability *cap)
 732 {
 733         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 734         struct cx88_core  *core = dev->core;
 735
 736         strcpy(cap->driver, "cx88_blackbird");
 737         strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card));
 738         sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
 739         cap->version = CX88_VERSION_CODE;
 740         cap->capabilities =
 741                 V4L2_CAP_VIDEO_CAPTURE |
 742                 V4L2_CAP_READWRITE     |
 743                 V4L2_CAP_STREAMING;
 744         if (UNSET != core->tuner_type)
 745                 cap->capabilities |= V4L2_CAP_TUNER;
 746         return 0;
 747 }
 748
 749 static int vidioc_enum_fmt_cap (struct file *file, void  *priv,
 750                                         struct v4l2_fmtdesc *f)
 751 {
 752         if (f->index != 0)
 753                 return -EINVAL;
 754
 755         strlcpy(f->description, "MPEG", sizeof(f->description));
 756         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 757         f->pixelformat = V4L2_PIX_FMT_MPEG;
 758         return 0;
 759 }
 760
 761 static int vidioc_g_fmt_cap (struct file *file, void *priv,
 762                                         struct v4l2_format *f)
 763 {
 764         struct cx8802_fh  *fh   = priv;
 765         struct cx8802_dev *dev  = fh->dev;
 766
 767         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 768         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 769         f->fmt.pix.bytesperline = 0;
 770         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
 771         f->fmt.pix.colorspace   = 0;
 772         f->fmt.pix.width        = dev->width;
 773         f->fmt.pix.height       = dev->height;
 774         f->fmt.pix.field        = fh->mpegq.field;
 775         dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
 776                 dev->width, dev->height, fh->mpegq.field );
 777         return 0;
 778 }
 779
 780 static int vidioc_try_fmt_cap (struct file *file, void *priv,
 781                         struct v4l2_format *f)
 782 {
 783         struct cx8802_fh  *fh   = priv;
 784         struct cx8802_dev *dev  = fh->dev;
 785
 786         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 787         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 788         f->fmt.pix.bytesperline = 0;
 789         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 790         f->fmt.pix.colorspace   = 0;
 791         dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
 792                 dev->width, dev->height, fh->mpegq.field );
 793         return 0;
 794 }
 795
 796 static int vidioc_s_fmt_cap (struct file *file, void *priv,
 797                                         struct v4l2_format *f)
 798 {
 799         struct cx8802_fh  *fh   = priv;
 800         struct cx8802_dev *dev  = fh->dev;
 801         struct cx88_core  *core = dev->core;
 802
 803         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 804         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 805         f->fmt.pix.bytesperline = 0;
 806         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 807         f->fmt.pix.colorspace   = 0;
 808         dev->width              = f->fmt.pix.width;
 809         dev->height             = f->fmt.pix.height;
 810         fh->mpegq.field         = f->fmt.pix.field;
 811         cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
 812         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 813                                 f->fmt.pix.height, f->fmt.pix.width);
 814         dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
 815                 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
 816         return 0;
 817 }
 818
 819 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
 820 {
 821         struct cx8802_fh  *fh   = priv;
 822         return (videobuf_reqbufs(&fh->mpegq, p));
 823 }
 824
 825 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
 826 {
 827         struct cx8802_fh  *fh   = priv;
 828         return (videobuf_querybuf(&fh->mpegq, p));
 829 }
 830
 831 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 832 {
 833         struct cx8802_fh  *fh   = priv;
 834         return (videobuf_qbuf(&fh->mpegq, p));
 835 }
 836
 837 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 838 {
 839         struct cx8802_fh  *fh   = priv;
 840         return (videobuf_dqbuf(&fh->mpegq, p,
 841                                 file->f_flags & O_NONBLOCK));
 842 }
 843
 844 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 845 {
 846         struct cx8802_fh  *fh   = priv;
 847         return videobuf_streamon(&fh->mpegq);
 848 }
 849
 850 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
 851 {
 852         struct cx8802_fh  *fh   = priv;
 853         return videobuf_streamoff(&fh->mpegq);
 854 }
 855
 856 static int vidioc_g_mpegcomp (struct file *file, void *fh,
 857                               struct v4l2_mpeg_compression *f)
 858 {
 859         printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. "
 860                                 "Replace with VIDIOC_G_EXT_CTRLS!");
 861         memcpy(f,&default_mpeg_params,sizeof(*f));
 862         return 0;
 863 }
 864
 865 static int vidioc_s_mpegcomp (struct file *file, void *fh,
 866                               struct v4l2_mpeg_compression *f)
 867 {
 868         printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. "
 869                                 "Replace with VIDIOC_S_EXT_CTRLS!");
 870         return 0;
 871 }
 872
 873 static int vidioc_g_ext_ctrls (struct file *file, void *priv,
 874                                struct v4l2_ext_controls *f)
 875 {
 876         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 877
 878         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 879                 return -EINVAL;
 880         return cx2341x_ext_ctrls(&dev->params, f, VIDIOC_G_EXT_CTRLS);
 881 }
 882
 883 static int vidioc_s_ext_ctrls (struct file *file, void *priv,
 884                                struct v4l2_ext_controls *f)
 885 {
 886         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 887         struct cx2341x_mpeg_params p;
 888         int err;
 889
 890         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 891                 return -EINVAL;
 892         p = dev->params;
 893         err = cx2341x_ext_ctrls(&p, f, VIDIOC_S_EXT_CTRLS);
 894         if (!err) {
 895                 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
 896                 dev->params = p;
 897         }
 898         return err;
 899 }
 900
 901 static int vidioc_try_ext_ctrls (struct file *file, void *priv,
 902                                struct v4l2_ext_controls *f)
 903 {
 904         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 905         struct cx2341x_mpeg_params p;
 906         int err;
 907
 908         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 909                 return -EINVAL;
 910         p = dev->params;
 911         err = cx2341x_ext_ctrls(&p, f, VIDIOC_TRY_EXT_CTRLS);
 912
 913         return err;
 914 }
 915
 916 static int vidioc_s_frequency (struct file *file, void *priv,
 917                                 struct v4l2_frequency *f)
 918 {
 919         struct cx8802_fh  *fh   = priv;
 920         struct cx8802_dev *dev  = fh->dev;
 921         struct cx88_core  *core = dev->core;
 922
 923         blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
 924                                 BLACKBIRD_END_NOW,
 925                                 BLACKBIRD_MPEG_CAPTURE,
 926                                 BLACKBIRD_RAW_BITS_NONE);
 927         cx88_set_freq (core,f);
 928         blackbird_initialize_codec(dev);
 929         cx88_set_scale(dev->core, dev->width, dev->height,
 930                         fh->mpegq.field);
 931         return 0;
 932 }
 933
 934 static int vidioc_log_status (struct file *file, void *priv)
 935 {
 936         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 937         struct cx88_core  *core = dev->core;
 938         char name[32 + 2];
 939
 940         snprintf(name, sizeof(name), "%s/2", core->name);
 941         printk("%s/2: ============  START LOG STATUS  ============\n",
 942                 core->name);
 943         cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
 944         cx2341x_log_status(&dev->params, name);
 945         printk("%s/2: =============  END LOG STATUS  =============\n",
 946                 core->name);
 947         return 0;
 948 }
 949
 950 static int vidioc_queryctrl (struct file *file, void *priv,
 951                                 struct v4l2_queryctrl *qctrl)
 952 {
 953         struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 954
 955         if (blackbird_queryctrl(dev, qctrl) == 0)
 956                 return 0;
 957
 958         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 959         if (unlikely(qctrl->id == 0))
 960                 return -EINVAL;
 961         return cx8800_ctrl_query(qctrl);
 962 }
 963
 964 static int vidioc_enum_input (struct file *file, void *priv,
 965                                 struct v4l2_input *i)
 966 {
 967         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 968         return cx88_enum_input (core,i);
 969 }
 970
 971 static int vidioc_g_ctrl (struct file *file, void *priv,
 972                                 struct v4l2_control *ctl)
 973 {
 974         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 975         return
 976                 cx88_get_control(core,ctl);
 977 }
 978
 979 static int vidioc_s_ctrl (struct file *file, void *priv,
 980                                 struct v4l2_control *ctl)
 981 {
 982         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 983         return
 984                 cx88_set_control(core,ctl);
 985 }
 986
 987 static int vidioc_g_frequency (struct file *file, void *priv,
 988                                 struct v4l2_frequency *f)
 989 {
 990         struct cx8802_fh  *fh   = priv;
 991         struct cx88_core  *core = fh->dev->core;
 992
 993         if (unlikely(UNSET == core->tuner_type))
 994                 return -EINVAL;
 995
 996         f->type = V4L2_TUNER_ANALOG_TV;
 997         f->frequency = core->freq;
 998         cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
 999
1000         return 0;
1001 }
1002
1003 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1004 {
1005         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1006
1007         *i = core->input;
1008         return 0;
1009 }
1010
1011 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1012 {
1013         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1014
1015         if (i >= 4)
1016                 return -EINVAL;
1017
1018         mutex_lock(&core->lock);
1019         cx88_newstation(core);
1020         cx88_video_mux(core,i);
1021         mutex_unlock(&core->lock);
1022         return 0;
1023 }
1024
1025 static int vidioc_g_tuner (struct file *file, void *priv,
1026                                 struct v4l2_tuner *t)
1027 {
1028         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1029         u32 reg;
1030
1031         if (unlikely(UNSET == core->tuner_type))
1032                 return -EINVAL;
1033         if (0 != t->index)
1034                 return -EINVAL;
1035
1036         strcpy(t->name, "Television");
1037         t->type       = V4L2_TUNER_ANALOG_TV;
1038         t->capability = V4L2_TUNER_CAP_NORM;
1039         t->rangehigh  = 0xffffffffUL;
1040
1041         cx88_get_stereo(core ,t);
1042         reg = cx_read(MO_DEVICE_STATUS);
1043         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1044         return 0;
1045 }
1046
1047 static int vidioc_s_tuner (struct file *file, void *priv,
1048                                 struct v4l2_tuner *t)
1049 {
1050         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1051
1052         if (UNSET == core->tuner_type)
1053                 return -EINVAL;
1054         if (0 != t->index)
1055                 return -EINVAL;
1056
1057         cx88_set_stereo(core, t->audmode, 1);
1058         return 0;
1059 }
1060
1061 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1062 {
1063         struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1064
1065         mutex_lock(&core->lock);
1066         cx88_set_tvnorm(core,*id);
1067         mutex_unlock(&core->lock);
1068         return 0;
1069 }
1070
1071 /* FIXME: cx88_ioctl_hook not implemented */
1072
1073 static int mpeg_open(struct inode *inode, struct file *file)
1074 {
1075         int minor = iminor(inode);
1076         struct cx8802_dev *dev = NULL;
1077         struct cx8802_fh *fh;
1078         struct cx8802_driver *drv = NULL;
1079         int err;
1080
1081        dev = cx8802_get_device(inode);
1082
1083         dprintk( 1, "%s\n", __FUNCTION__);
1084
1085         if (dev == NULL)
1086                 return -ENODEV;
1087
1088         /* Make sure we can acquire the hardware */
1089         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1090         if (drv) {
1091                 err = drv->request_acquire(drv);
1092                 if(err != 0) {
1093                         dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err);
1094                         return err;
1095                 }
1096         }
1097
1098         if (blackbird_initialize_codec(dev) < 0) {
1099                 if (drv)
1100                         drv->request_release(drv);
1101                 return -EINVAL;
1102         }
1103         dprintk(1,"open minor=%d\n",minor);
1104
1105         /* allocate + initialize per filehandle data */
1106         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1107         if (NULL == fh) {
1108                 if (drv)
1109                         drv->request_release(drv);
1110                 return -ENOMEM;
1111         }
1112         file->private_data = fh;
1113         fh->dev      = dev;
1114
1115         videobuf_queue_init(&fh->mpegq, &blackbird_qops,
1116                             dev->pci, &dev->slock,
1117                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1118                             V4L2_FIELD_INTERLACED,
1119                             sizeof(struct cx88_buffer),
1120                             fh);
1121
1122         /* FIXME: locking against other video device */
1123         cx88_set_scale(dev->core, dev->width, dev->height,
1124                         fh->mpegq.field);
1125
1126         return 0;
1127 }
1128
1129 static int mpeg_release(struct inode *inode, struct file *file)
1130 {
1131         struct cx8802_fh  *fh  = file->private_data;
1132         struct cx8802_dev *dev = NULL;
1133         struct cx8802_driver *drv = NULL;
1134
1135         /* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
1136         blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1137                         BLACKBIRD_END_NOW,
1138                         BLACKBIRD_MPEG_CAPTURE,
1139                         BLACKBIRD_RAW_BITS_NONE
1140                 );
1141
1142         cx8802_cancel_buffers(fh->dev);
1143         /* stop mpeg capture */
1144         if (fh->mpegq.streaming)
1145                 videobuf_streamoff(&fh->mpegq);
1146         if (fh->mpegq.reading)
1147                 videobuf_read_stop(&fh->mpegq);
1148
1149         videobuf_mmap_free(&fh->mpegq);
1150         file->private_data = NULL;
1151         kfree(fh);
1152
1153         /* Make sure we release the hardware */
1154         dev = cx8802_get_device(inode);
1155         if (dev == NULL)
1156                 return -ENODEV;
1157
1158         drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1159         if (drv)
1160                 drv->request_release(drv);
1161
1162         return 0;
1163 }
1164
1165 static ssize_t
1166 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1167 {
1168         struct cx8802_fh *fh = file->private_data;
1169
1170         return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1171                                     file->f_flags & O_NONBLOCK);
1172 }
1173
1174 static unsigned int
1175 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1176 {
1177         struct cx8802_fh *fh = file->private_data;
1178
1179         return videobuf_poll_stream(file, &fh->mpegq, wait);
1180 }
1181
1182 static int
1183 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1184 {
1185         struct cx8802_fh *fh = file->private_data;
1186
1187         return videobuf_mmap_mapper(&fh->mpegq, vma);
1188 }
1189
1190 static const struct file_operations mpeg_fops =
1191 {
1192         .owner         = THIS_MODULE,
1193         .open          = mpeg_open,
1194         .release       = mpeg_release,
1195         .read          = mpeg_read,
1196         .poll          = mpeg_poll,
1197         .mmap          = mpeg_mmap,
1198         .ioctl         = video_ioctl2,
1199         .llseek        = no_llseek,
1200 };
1201
1202 static struct video_device cx8802_mpeg_template =
1203 {
1204         .name                 = "cx8802",
1205         .type                 = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
1206         .fops                 = &mpeg_fops,
1207         .minor                = -1,
1208         .vidioc_querymenu     = vidioc_querymenu,
1209         .vidioc_querycap      = vidioc_querycap,
1210         .vidioc_enum_fmt_cap  = vidioc_enum_fmt_cap,
1211         .vidioc_g_fmt_cap     = vidioc_g_fmt_cap,
1212         .vidioc_try_fmt_cap   = vidioc_try_fmt_cap,
1213         .vidioc_s_fmt_cap     = vidioc_s_fmt_cap,
1214         .vidioc_reqbufs       = vidioc_reqbufs,
1215         .vidioc_querybuf      = vidioc_querybuf,
1216         .vidioc_qbuf          = vidioc_qbuf,
1217         .vidioc_dqbuf         = vidioc_dqbuf,
1218         .vidioc_streamon      = vidioc_streamon,
1219         .vidioc_streamoff     = vidioc_streamoff,
1220         .vidioc_g_mpegcomp    = vidioc_g_mpegcomp,
1221         .vidioc_s_mpegcomp    = vidioc_s_mpegcomp,
1222         .vidioc_g_ext_ctrls   = vidioc_g_ext_ctrls,
1223         .vidioc_s_ext_ctrls   = vidioc_s_ext_ctrls,
1224         .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1225         .vidioc_s_frequency   = vidioc_s_frequency,
1226         .vidioc_log_status    = vidioc_log_status,
1227         .vidioc_queryctrl     = vidioc_queryctrl,
1228         .vidioc_enum_input    = vidioc_enum_input,
1229         .vidioc_g_ctrl        = vidioc_g_ctrl,
1230         .vidioc_s_ctrl        = vidioc_s_ctrl,
1231         .vidioc_g_frequency   = vidioc_g_frequency,
1232         .vidioc_g_input       = vidioc_g_input,
1233         .vidioc_s_input       = vidioc_s_input,
1234         .vidioc_g_tuner       = vidioc_g_tuner,
1235         .vidioc_s_tuner       = vidioc_s_tuner,
1236         .vidioc_s_std         = vidioc_s_std,
1237         .tvnorms              = CX88_NORMS,
1238        .current_norm         = V4L2_STD_NTSC_M,
1239 };
1240
1241 /* ------------------------------------------------------------------ */
1242
1243 /* The CX8802 MPEG API will call this when we can use the hardware */
1244 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1245 {
1246         struct cx88_core *core = drv->core;
1247         int err = 0;
1248
1249         switch (core->board) {
1250         case CX88_BOARD_HAUPPAUGE_HVR1300:
1251                 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1252                  * We left the hardware on power up with the cx22702 active.
1253                  * We're being given access to re-arrange the GPIOs.
1254                  * Take the bus off the cx22702 and put the cx23416 on it.
1255                  */
1256                 cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
1257                 cx_set(MO_GP0_IO,   0x00000004); /* Disable the cx22702 */
1258                 break;
1259         default:
1260                 err = -ENODEV;
1261         }
1262         return err;
1263 }
1264
1265 /* The CX8802 MPEG API will call this when we need to release the hardware */
1266 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1267 {
1268         struct cx88_core *core = drv->core;
1269         int err = 0;
1270
1271         switch (core->board) {
1272         case CX88_BOARD_HAUPPAUGE_HVR1300:
1273                 /* Exit leaving the cx23416 on the bus */
1274                 break;
1275         default:
1276                 err = -ENODEV;
1277         }
1278         return err;
1279 }
1280
1281 static void blackbird_unregister_video(struct cx8802_dev *dev)
1282 {
1283         if (dev->mpeg_dev) {
1284                 if (-1 != dev->mpeg_dev->minor)
1285                         video_unregister_device(dev->mpeg_dev);
1286                 else
1287                         video_device_release(dev->mpeg_dev);
1288                 dev->mpeg_dev = NULL;
1289         }
1290 }
1291
1292 static int blackbird_register_video(struct cx8802_dev *dev)
1293 {
1294         int err;
1295
1296         dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1297                                        &cx8802_mpeg_template,"mpeg");
1298         err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1299         if (err < 0) {
1300                 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1301                        dev->core->name);
1302                 return err;
1303         }
1304         printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1305                dev->core->name,dev->mpeg_dev->minor & 0x1f);
1306         return 0;
1307 }
1308
1309 /* ----------------------------------------------------------- */
1310
1311 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1312 {
1313         struct cx88_core *core = drv->core;
1314         struct cx8802_dev *dev = core->dvbdev;
1315         int err;
1316
1317         dprintk( 1, "%s\n", __FUNCTION__);
1318         dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1319                 core->board,
1320                 core->name,
1321                 core->pci_bus,
1322                 core->pci_slot);
1323
1324         err = -ENODEV;
1325         if (!(cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD))
1326                 goto fail_core;
1327
1328         dev->width = 720;
1329         dev->height = 576;
1330         cx2341x_fill_defaults(&dev->params);
1331         dev->params.port = CX2341X_PORT_STREAMING;
1332
1333         cx8802_mpeg_template.current_norm = core->tvnorm;
1334
1335         if (core->tvnorm & V4L2_STD_525_60) {
1336                 dev->height = 480;
1337         } else {
1338                 dev->height = 576;
1339         }
1340
1341         /* blackbird stuff */
1342         printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1343                core->name);
1344         host_setup(dev->core);
1345
1346         blackbird_register_video(dev);
1347
1348         /* initial device configuration: needed ? */
1349         mutex_lock(&dev->core->lock);
1350 //      init_controls(core);
1351         cx88_set_tvnorm(core,core->tvnorm);
1352         cx88_video_mux(core,0);
1353         mutex_unlock(&dev->core->lock);
1354
1355         return 0;
1356
1357  fail_core:
1358         return err;
1359 }
1360
1361 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1362 {
1363         /* blackbird */
1364         blackbird_unregister_video(drv->core->dvbdev);
1365
1366         return 0;
1367 }
1368
1369 static struct cx8802_driver cx8802_blackbird_driver = {
1370         .type_id        = CX88_MPEG_BLACKBIRD,
1371         .hw_access      = CX8802_DRVCTL_SHARED,
1372         .probe          = cx8802_blackbird_probe,
1373         .remove         = cx8802_blackbird_remove,
1374         .advise_acquire = cx8802_blackbird_advise_acquire,
1375         .advise_release = cx8802_blackbird_advise_release,
1376 };
1377
1378 static int blackbird_init(void)
1379 {
1380         printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1381                (CX88_VERSION_CODE >> 16) & 0xff,
1382                (CX88_VERSION_CODE >>  8) & 0xff,
1383                CX88_VERSION_CODE & 0xff);
1384 #ifdef SNAPSHOT
1385         printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1386                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1387 #endif
1388         return cx8802_register_driver(&cx8802_blackbird_driver);
1389 }
1390
1391 static void blackbird_fini(void)
1392 {
1393         cx8802_unregister_driver(&cx8802_blackbird_driver);
1394 }
1395
1396 module_init(blackbird_init);
1397 module_exit(blackbird_fini);
1398
1399 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1400 MODULE_PARM_DESC(debug,"enable debug messages [video]");
1401
1402 /* ----------------------------------------------------------- */
1403 /*
1404  * Local variables:
1405  * c-basic-offset: 8
1406  * End:
1407  * 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
1408  */