linux/drivers/media/video/cx88/cx88-blackbird.c
<<
>>
Prefs
   1/*
   2 *
   3 *  Support for a cx23416 mpeg encoder via cx2388x host port.
   4 *  "blackbird" reference design.
   5 *
   6 *    (c) 2004 Jelle Foks <jelle@foks.us>
   7 *    (c) 2004 Gerd Knorr <kraxel@bytesex.org>
   8 *
   9 *    (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
  10 *        - video_ioctl2 conversion
  11 *
  12 *  Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
  13 *
  14 *  This program is free software; you can redistribute it and/or modify
  15 *  it under the terms of the GNU General Public License as published by
  16 *  the Free Software Foundation; either version 2 of the License, or
  17 *  (at your option) any later version.
  18 *
  19 *  This program is distributed in the hope that it will be useful,
  20 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 *  GNU General Public License for more details.
  23 *
  24 *  You should have received a copy of the GNU General Public License
  25 *  along with this program; if not, write to the Free Software
  26 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  27 */
  28
  29#include <linux/module.h>
  30#include <linux/init.h>
  31#include <linux/fs.h>
  32#include <linux/delay.h>
  33#include <linux/device.h>
  34#include <linux/firmware.h>
  35#include <linux/smp_lock.h>
  36#include <media/v4l2-common.h>
  37#include <media/v4l2-ioctl.h>
  38#include <media/cx2341x.h>
  39
  40#include "cx88.h"
  41
  42MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
  43MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  44MODULE_LICENSE("GPL");
  45
  46static unsigned int mpegbufs = 32;
  47module_param(mpegbufs,int,0644);
  48MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
  49
  50static unsigned int debug;
  51module_param(debug,int,0644);
  52MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
  53
  54#define dprintk(level,fmt, arg...)      if (debug >= level) \
  55        printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
  56
  57
  58/* ------------------------------------------------------------------ */
  59
  60#define BLACKBIRD_FIRM_IMAGE_SIZE 376836
  61
  62/* defines below are from ivtv-driver.h */
  63
  64#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
  65
  66/* Firmware API commands */
  67#define IVTV_API_STD_TIMEOUT 500
  68
  69enum blackbird_capture_type {
  70        BLACKBIRD_MPEG_CAPTURE,
  71        BLACKBIRD_RAW_CAPTURE,
  72        BLACKBIRD_RAW_PASSTHRU_CAPTURE
  73};
  74enum 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};
  82enum 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};
  86enum blackbird_framerate {
  87        BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
  88        BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
  89};
  90enum blackbird_stream_port {
  91        BLACKBIRD_OUTPUT_PORT_MEMORY,
  92        BLACKBIRD_OUTPUT_PORT_STREAMING,
  93        BLACKBIRD_OUTPUT_PORT_SERIAL
  94};
  95enum blackbird_data_xfer_status {
  96        BLACKBIRD_MORE_BUFFERS_FOLLOW,
  97        BLACKBIRD_LAST_BUFFER,
  98};
  99enum 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};
 105enum blackbird_vbi_mode_bits {
 106        BLACKBIRD_VBI_BITS_SLICED,
 107        BLACKBIRD_VBI_BITS_RAW,
 108};
 109enum 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};
 116enum blackbird_dma_unit {
 117        BLACKBIRD_DMA_BYTES,
 118        BLACKBIRD_DMA_FRAMES,
 119};
 120enum 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};
 125enum blackbird_pause {
 126        BLACKBIRD_PAUSE_ENCODING,
 127        BLACKBIRD_RESUME_ENCODING,
 128};
 129enum blackbird_copyright {
 130        BLACKBIRD_COPYRIGHT_OFF,
 131        BLACKBIRD_COPYRIGHT_ON,
 132};
 133enum blackbird_notification_type {
 134        BLACKBIRD_NOTIFICATION_REFRESH,
 135};
 136enum blackbird_notification_status {
 137        BLACKBIRD_NOTIFICATION_OFF,
 138        BLACKBIRD_NOTIFICATION_ON,
 139};
 140enum blackbird_notification_mailbox {
 141        BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
 142};
 143enum blackbird_field1_lines {
 144        BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
 145        BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
 146        BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
 147};
 148enum blackbird_field2_lines {
 149        BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
 150        BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
 151        BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
 152};
 153enum blackbird_custom_data_type {
 154        BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 155        BLACKBIRD_CUSTOM_PRIVATE_PACKET,
 156};
 157enum blackbird_mute {
 158        BLACKBIRD_UNMUTE,
 159        BLACKBIRD_MUTE,
 160};
 161enum 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};
 166enum 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
 182static 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
 216static 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
 232static 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
 248static 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
 274static 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
 290static 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
 312static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
 313{
 314        struct cx8802_dev *dev = priv;
 315        unsigned long timeout;
 316        u32 value, flag, retval;
 317        int i;
 318
 319        dprintk(1,"%s: 0x%X\n", __func__, command);
 320
 321        /* this may not be 100% safe if we can't read any memory location
 322           without side effects */
 323        memory_read(dev->core, dev->mailbox - 4, &value);
 324        if (value != 0x12345678) {
 325                dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
 326                return -1;
 327        }
 328
 329        memory_read(dev->core, dev->mailbox, &flag);
 330        if (flag) {
 331                dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
 332                return -1;
 333        }
 334
 335        flag |= 1; /* tell 'em we're working on it */
 336        memory_write(dev->core, dev->mailbox, flag);
 337
 338        /* write command + args + fill remaining with zeros */
 339        memory_write(dev->core, dev->mailbox + 1, command); /* command code */
 340        memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
 341        for (i = 0; i < in; i++) {
 342                memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
 343                dprintk(1, "API Input %d = %d\n", i, data[i]);
 344        }
 345        for (; i < CX2341X_MBOX_MAX_DATA; i++)
 346                memory_write(dev->core, dev->mailbox + 4 + i, 0);
 347
 348        flag |= 3; /* tell 'em we're done writing */
 349        memory_write(dev->core, dev->mailbox, flag);
 350
 351        /* wait for firmware to handle the API command */
 352        timeout = jiffies + msecs_to_jiffies(10);
 353        for (;;) {
 354                memory_read(dev->core, dev->mailbox, &flag);
 355                if (0 != (flag & 4))
 356                        break;
 357                if (time_after(jiffies,timeout)) {
 358                        dprintk(0, "ERROR: API Mailbox timeout\n");
 359                        return -1;
 360                }
 361                udelay(10);
 362        }
 363
 364        /* read output values */
 365        for (i = 0; i < out; i++) {
 366                memory_read(dev->core, dev->mailbox + 4 + i, data + i);
 367                dprintk(1, "API Output %d = %d\n", i, data[i]);
 368        }
 369
 370        memory_read(dev->core, dev->mailbox + 2, &retval);
 371        dprintk(1, "API result = %d\n",retval);
 372
 373        flag = 0;
 374        memory_write(dev->core, dev->mailbox, flag);
 375        return retval;
 376}
 377/* ------------------------------------------------------------------ */
 378
 379/* We don't need to call the API often, so using just one mailbox will probably suffice */
 380static 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
 401static int blackbird_find_mailbox(struct cx8802_dev *dev)
 402{
 403        u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
 404        int signaturecnt=0;
 405        u32 value;
 406        int i;
 407
 408        for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
 409                memory_read(dev->core, i, &value);
 410                if (value == signature[signaturecnt])
 411                        signaturecnt++;
 412                else
 413                        signaturecnt = 0;
 414                if (4 == signaturecnt) {
 415                        dprintk(1, "Mailbox signature found\n");
 416                        return i+1;
 417                }
 418        }
 419        dprintk(0, "Mailbox signature values not found!\n");
 420        return -1;
 421}
 422
 423static int blackbird_load_firmware(struct cx8802_dev *dev)
 424{
 425        static const unsigned char magic[8] = {
 426                0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 427        };
 428        const struct firmware *firmware;
 429        int i, retval = 0;
 430        u32 value = 0;
 431        u32 checksum = 0;
 432        u32 *dataptr;
 433
 434        retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
 435        retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 436        retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
 437        retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 438        msleep(1);
 439        retval |= register_write(dev->core, IVTV_REG_APU, 0);
 440
 441        if (retval < 0)
 442                dprintk(0, "Error with register_write\n");
 443
 444        retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
 445                                  &dev->pci->dev);
 446
 447
 448        if (retval != 0) {
 449                dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
 450                        CX2341X_FIRM_ENC_FILENAME);
 451                dprintk(0, "Please fix your hotplug setup, the board will "
 452                        "not work without firmware loaded!\n");
 453                return -1;
 454        }
 455
 456        if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
 457                dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
 458                        firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
 459                release_firmware(firmware);
 460                return -1;
 461        }
 462
 463        if (0 != memcmp(firmware->data, magic, 8)) {
 464                dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
 465                release_firmware(firmware);
 466                return -1;
 467        }
 468
 469        /* transfer to the chip */
 470        dprintk(1,"Loading firmware ...\n");
 471        dataptr = (u32*)firmware->data;
 472        for (i = 0; i < (firmware->size >> 2); i++) {
 473                value = *dataptr;
 474                checksum += ~value;
 475                memory_write(dev->core, i, value);
 476                dataptr++;
 477        }
 478
 479        /* read back to verify with the checksum */
 480        for (i--; i >= 0; i--) {
 481                memory_read(dev->core, i, &value);
 482                checksum -= ~value;
 483        }
 484        if (checksum) {
 485                dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
 486                release_firmware(firmware);
 487                return -1;
 488        }
 489        release_firmware(firmware);
 490        dprintk(0, "Firmware upload successful.\n");
 491
 492        retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 493        retval |= register_read(dev->core, IVTV_REG_SPU, &value);
 494        retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
 495        msleep(1);
 496
 497        retval |= register_read(dev->core, IVTV_REG_VPU, &value);
 498        retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
 499
 500        if (retval < 0)
 501                dprintk(0, "Error with register_write\n");
 502        return 0;
 503}
 504
 505/**
 506 Settings used by the windows tv app for PVR2000:
 507=================================================================================================================
 508Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
 509-----------------------------------------------------------------------------------------------------------------
 510MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 511MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 512VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 513DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 514DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
 515=================================================================================================================
 516*DB: "DirectBurn"
 517*/
 518
 519static void blackbird_codec_settings(struct cx8802_dev *dev)
 520{
 521        /* assign frame size */
 522        blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 523                                dev->height, dev->width);
 524
 525        dev->params.width = dev->width;
 526        dev->params.height = dev->height;
 527        dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
 528
 529        cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
 530}
 531
 532static int blackbird_initialize_codec(struct cx8802_dev *dev)
 533{
 534        struct cx88_core *core = dev->core;
 535        int version;
 536        int retval;
 537
 538        dprintk(1,"Initialize codec\n");
 539        retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 540        if (retval < 0) {
 541
 542                dev->mpeg_active = 0;
 543
 544                /* ping was not successful, reset and upload firmware */
 545                cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
 546                cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
 547                retval = blackbird_load_firmware(dev);
 548                if (retval < 0)
 549                        return retval;
 550
 551                retval = blackbird_find_mailbox(dev);
 552                if (retval < 0)
 553                        return -1;
 554
 555                dev->mailbox = retval;
 556
 557                retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
 558                if (retval < 0) {
 559                        dprintk(0, "ERROR: Firmware ping failed!\n");
 560                        return -1;
 561                }
 562
 563                retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
 564                if (retval < 0) {
 565                        dprintk(0, "ERROR: Firmware get encoder version failed!\n");
 566                        return -1;
 567                }
 568                dprintk(0, "Firmware version is 0x%08x\n", version);
 569        }
 570
 571        cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
 572        cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
 573        cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
 574        cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
 575
 576        blackbird_codec_settings(dev);
 577
 578        blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
 579                        BLACKBIRD_FIELD1_SAA7115,
 580                        BLACKBIRD_FIELD2_SAA7115
 581                );
 582
 583        blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
 584                        BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
 585                        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 586
 587        return 0;
 588}
 589
 590static int blackbird_start_codec(struct file *file, void *priv)
 591{
 592        struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 593        struct cx88_core *core = dev->core;
 594        /* start capturing to the host interface */
 595        u32 reg;
 596
 597        int i;
 598        int lastchange = -1;
 599        int lastval = 0;
 600
 601        for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
 602                reg = cx_read(AUD_STATUS);
 603
 604                dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
 605                if ((reg & 0x0F) != lastval) {
 606                        lastval = reg & 0x0F;
 607                        lastchange = i;
 608                }
 609                msleep(100);
 610        }
 611
 612        /* unmute audio source */
 613        cx_clear(AUD_VOL_CTL, (1 << 6));
 614
 615        blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
 616
 617        /* initialize the video input */
 618        blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
 619
 620        /* start capturing to the host interface */
 621        blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
 622                        BLACKBIRD_MPEG_CAPTURE,
 623                        BLACKBIRD_RAW_BITS_NONE
 624                );
 625
 626        dev->mpeg_active = 1;
 627        return 0;
 628}
 629
 630static int blackbird_stop_codec(struct cx8802_dev *dev)
 631{
 632        blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
 633                        BLACKBIRD_END_NOW,
 634                        BLACKBIRD_MPEG_CAPTURE,
 635                        BLACKBIRD_RAW_BITS_NONE
 636                );
 637
 638        dev->mpeg_active = 0;
 639        return 0;
 640}
 641
 642/* ------------------------------------------------------------------ */
 643
 644static int bb_buf_setup(struct videobuf_queue *q,
 645                        unsigned int *count, unsigned int *size)
 646{
 647        struct cx8802_fh *fh = q->priv_data;
 648
 649        fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
 650        fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
 651
 652        *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
 653        *count = fh->dev->ts_packet_count;
 654        return 0;
 655}
 656
 657static int
 658bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 659               enum v4l2_field field)
 660{
 661        struct cx8802_fh *fh = q->priv_data;
 662        return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
 663}
 664
 665static void
 666bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 667{
 668        struct cx8802_fh *fh = q->priv_data;
 669        cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
 670}
 671
 672static void
 673bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
 674{
 675        cx88_free_buffer(q, (struct cx88_buffer*)vb);
 676}
 677
 678static struct videobuf_queue_ops blackbird_qops = {
 679        .buf_setup    = bb_buf_setup,
 680        .buf_prepare  = bb_buf_prepare,
 681        .buf_queue    = bb_buf_queue,
 682        .buf_release  = bb_buf_release,
 683};
 684
 685/* ------------------------------------------------------------------ */
 686
 687static const u32 *ctrl_classes[] = {
 688        cx88_user_ctrls,
 689        cx2341x_mpeg_ctrls,
 690        NULL
 691};
 692
 693static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
 694{
 695        qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 696        if (qctrl->id == 0)
 697                return -EINVAL;
 698
 699        /* Standard V4L2 controls */
 700        if (cx8800_ctrl_query(dev->core, qctrl) == 0)
 701                return 0;
 702
 703        /* MPEG V4L2 controls */
 704        if (cx2341x_ctrl_query(&dev->params, qctrl))
 705                qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
 706        return 0;
 707}
 708
 709/* ------------------------------------------------------------------ */
 710/* IOCTL Handlers                                                     */
 711
 712static int vidioc_querymenu (struct file *file, void *priv,
 713                                struct v4l2_querymenu *qmenu)
 714{
 715        struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 716        struct v4l2_queryctrl qctrl;
 717
 718        qctrl.id = qmenu->id;
 719        blackbird_queryctrl(dev, &qctrl);
 720        return v4l2_ctrl_query_menu(qmenu, &qctrl,
 721                        cx2341x_ctrl_get_menu(&dev->params, qmenu->id));
 722}
 723
 724static int vidioc_querycap (struct file *file, void  *priv,
 725                                        struct v4l2_capability *cap)
 726{
 727        struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 728        struct cx88_core  *core = dev->core;
 729
 730        strcpy(cap->driver, "cx88_blackbird");
 731        strlcpy(cap->card, core->board.name, sizeof(cap->card));
 732        sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
 733        cap->version = CX88_VERSION_CODE;
 734        cap->capabilities =
 735                V4L2_CAP_VIDEO_CAPTURE |
 736                V4L2_CAP_READWRITE     |
 737                V4L2_CAP_STREAMING;
 738        if (UNSET != core->board.tuner_type)
 739                cap->capabilities |= V4L2_CAP_TUNER;
 740        return 0;
 741}
 742
 743static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
 744                                        struct v4l2_fmtdesc *f)
 745{
 746        if (f->index != 0)
 747                return -EINVAL;
 748
 749        strlcpy(f->description, "MPEG", sizeof(f->description));
 750        f->pixelformat = V4L2_PIX_FMT_MPEG;
 751        return 0;
 752}
 753
 754static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
 755                                        struct v4l2_format *f)
 756{
 757        struct cx8802_fh  *fh   = priv;
 758        struct cx8802_dev *dev  = fh->dev;
 759
 760        f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 761        f->fmt.pix.bytesperline = 0;
 762        f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
 763        f->fmt.pix.colorspace   = 0;
 764        f->fmt.pix.width        = dev->width;
 765        f->fmt.pix.height       = dev->height;
 766        f->fmt.pix.field        = fh->mpegq.field;
 767        dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
 768                dev->width, dev->height, fh->mpegq.field );
 769        return 0;
 770}
 771
 772static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
 773                        struct v4l2_format *f)
 774{
 775        struct cx8802_fh  *fh   = priv;
 776        struct cx8802_dev *dev  = fh->dev;
 777
 778        f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 779        f->fmt.pix.bytesperline = 0;
 780        f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 781        f->fmt.pix.colorspace   = 0;
 782        dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
 783                dev->width, dev->height, fh->mpegq.field );
 784        return 0;
 785}
 786
 787static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
 788                                        struct v4l2_format *f)
 789{
 790        struct cx8802_fh  *fh   = priv;
 791        struct cx8802_dev *dev  = fh->dev;
 792        struct cx88_core  *core = dev->core;
 793
 794        f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 795        f->fmt.pix.bytesperline = 0;
 796        f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
 797        f->fmt.pix.colorspace   = 0;
 798        dev->width              = f->fmt.pix.width;
 799        dev->height             = f->fmt.pix.height;
 800        fh->mpegq.field         = f->fmt.pix.field;
 801        cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
 802        blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
 803                                f->fmt.pix.height, f->fmt.pix.width);
 804        dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
 805                f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
 806        return 0;
 807}
 808
 809static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
 810{
 811        struct cx8802_fh  *fh   = priv;
 812        return (videobuf_reqbufs(&fh->mpegq, p));
 813}
 814
 815static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
 816{
 817        struct cx8802_fh  *fh   = priv;
 818        return (videobuf_querybuf(&fh->mpegq, p));
 819}
 820
 821static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 822{
 823        struct cx8802_fh  *fh   = priv;
 824        return (videobuf_qbuf(&fh->mpegq, p));
 825}
 826
 827static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
 828{
 829        struct cx8802_fh  *fh   = priv;
 830        return (videobuf_dqbuf(&fh->mpegq, p,
 831                                file->f_flags & O_NONBLOCK));
 832}
 833
 834static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 835{
 836        struct cx8802_fh  *fh   = priv;
 837        return videobuf_streamon(&fh->mpegq);
 838}
 839
 840static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
 841{
 842        struct cx8802_fh  *fh   = priv;
 843        return videobuf_streamoff(&fh->mpegq);
 844}
 845
 846static int vidioc_g_ext_ctrls (struct file *file, void *priv,
 847                               struct v4l2_ext_controls *f)
 848{
 849        struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 850
 851        if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 852                return -EINVAL;
 853        return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS);
 854}
 855
 856static int vidioc_s_ext_ctrls (struct file *file, void *priv,
 857                               struct v4l2_ext_controls *f)
 858{
 859        struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 860        struct cx2341x_mpeg_params p;
 861        int err;
 862
 863        if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 864                return -EINVAL;
 865
 866        if (dev->mpeg_active)
 867                blackbird_stop_codec(dev);
 868
 869        p = dev->params;
 870        err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
 871        if (!err) {
 872                err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
 873                dev->params = p;
 874        }
 875        return err;
 876}
 877
 878static int vidioc_try_ext_ctrls (struct file *file, void *priv,
 879                               struct v4l2_ext_controls *f)
 880{
 881        struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 882        struct cx2341x_mpeg_params p;
 883        int err;
 884
 885        if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 886                return -EINVAL;
 887        p = dev->params;
 888        err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
 889
 890        return err;
 891}
 892
 893static int vidioc_s_frequency (struct file *file, void *priv,
 894                                struct v4l2_frequency *f)
 895{
 896        struct cx8802_fh  *fh   = priv;
 897        struct cx8802_dev *dev  = fh->dev;
 898        struct cx88_core  *core = dev->core;
 899
 900        if (dev->mpeg_active)
 901                blackbird_stop_codec(dev);
 902
 903        cx88_set_freq (core,f);
 904        blackbird_initialize_codec(dev);
 905        cx88_set_scale(dev->core, dev->width, dev->height,
 906                        fh->mpegq.field);
 907        return 0;
 908}
 909
 910static int vidioc_log_status (struct file *file, void *priv)
 911{
 912        struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 913        struct cx88_core  *core = dev->core;
 914        char name[32 + 2];
 915
 916        snprintf(name, sizeof(name), "%s/2", core->name);
 917        printk("%s/2: ============  START LOG STATUS  ============\n",
 918                core->name);
 919        call_all(core, core, log_status);
 920        cx2341x_log_status(&dev->params, name);
 921        printk("%s/2: =============  END LOG STATUS  =============\n",
 922                core->name);
 923        return 0;
 924}
 925
 926static int vidioc_queryctrl (struct file *file, void *priv,
 927                                struct v4l2_queryctrl *qctrl)
 928{
 929        struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
 930
 931        if (blackbird_queryctrl(dev, qctrl) == 0)
 932                return 0;
 933
 934        qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 935        if (unlikely(qctrl->id == 0))
 936                return -EINVAL;
 937        return cx8800_ctrl_query(dev->core, qctrl);
 938}
 939
 940static int vidioc_enum_input (struct file *file, void *priv,
 941                                struct v4l2_input *i)
 942{
 943        struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 944        return cx88_enum_input (core,i);
 945}
 946
 947static int vidioc_g_ctrl (struct file *file, void *priv,
 948                                struct v4l2_control *ctl)
 949{
 950        struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 951        return
 952                cx88_get_control(core,ctl);
 953}
 954
 955static int vidioc_s_ctrl (struct file *file, void *priv,
 956                                struct v4l2_control *ctl)
 957{
 958        struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 959        return
 960                cx88_set_control(core,ctl);
 961}
 962
 963static int vidioc_g_frequency (struct file *file, void *priv,
 964                                struct v4l2_frequency *f)
 965{
 966        struct cx8802_fh  *fh   = priv;
 967        struct cx88_core  *core = fh->dev->core;
 968
 969        if (unlikely(UNSET == core->board.tuner_type))
 970                return -EINVAL;
 971
 972        f->type = V4L2_TUNER_ANALOG_TV;
 973        f->frequency = core->freq;
 974        call_all(core, tuner, g_frequency, f);
 975
 976        return 0;
 977}
 978
 979static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
 980{
 981        struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 982
 983        *i = core->input;
 984        return 0;
 985}
 986
 987static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
 988{
 989        struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
 990
 991        if (i >= 4)
 992                return -EINVAL;
 993
 994        mutex_lock(&core->lock);
 995        cx88_newstation(core);
 996        cx88_video_mux(core,i);
 997        mutex_unlock(&core->lock);
 998        return 0;
 999}
1000
1001static int vidioc_g_tuner (struct file *file, void *priv,
1002                                struct v4l2_tuner *t)
1003{
1004        struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1005        u32 reg;
1006
1007        if (unlikely(UNSET == core->board.tuner_type))
1008                return -EINVAL;
1009        if (0 != t->index)
1010                return -EINVAL;
1011
1012        strcpy(t->name, "Television");
1013        t->type       = V4L2_TUNER_ANALOG_TV;
1014        t->capability = V4L2_TUNER_CAP_NORM;
1015        t->rangehigh  = 0xffffffffUL;
1016
1017        cx88_get_stereo(core ,t);
1018        reg = cx_read(MO_DEVICE_STATUS);
1019        t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1020        return 0;
1021}
1022
1023static int vidioc_s_tuner (struct file *file, void *priv,
1024                                struct v4l2_tuner *t)
1025{
1026        struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1027
1028        if (UNSET == core->board.tuner_type)
1029                return -EINVAL;
1030        if (0 != t->index)
1031                return -EINVAL;
1032
1033        cx88_set_stereo(core, t->audmode, 1);
1034        return 0;
1035}
1036
1037static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1038{
1039        struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1040
1041        mutex_lock(&core->lock);
1042        cx88_set_tvnorm(core,*id);
1043        mutex_unlock(&core->lock);
1044        return 0;
1045}
1046
1047/* FIXME: cx88_ioctl_hook not implemented */
1048
1049static int mpeg_open(struct file *file)
1050{
1051        int minor = video_devdata(file)->minor;
1052        struct cx8802_dev *dev = NULL;
1053        struct cx8802_fh *fh;
1054        struct cx8802_driver *drv = NULL;
1055        int err;
1056
1057        lock_kernel();
1058        dev = cx8802_get_device(minor);
1059
1060        dprintk( 1, "%s\n", __func__);
1061
1062        if (dev == NULL) {
1063                unlock_kernel();
1064                return -ENODEV;
1065        }
1066
1067        /* Make sure we can acquire the hardware */
1068        drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1069        if (drv) {
1070                err = drv->request_acquire(drv);
1071                if(err != 0) {
1072                        dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
1073                        unlock_kernel();
1074                        return err;
1075                }
1076        }
1077
1078        if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) {
1079                if (drv)
1080                        drv->request_release(drv);
1081                unlock_kernel();
1082                return -EINVAL;
1083        }
1084        dprintk(1,"open minor=%d\n",minor);
1085
1086        /* allocate + initialize per filehandle data */
1087        fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1088        if (NULL == fh) {
1089                if (drv)
1090                        drv->request_release(drv);
1091                unlock_kernel();
1092                return -ENOMEM;
1093        }
1094        file->private_data = fh;
1095        fh->dev      = dev;
1096
1097        videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
1098                            &dev->pci->dev, &dev->slock,
1099                            V4L2_BUF_TYPE_VIDEO_CAPTURE,
1100                            V4L2_FIELD_INTERLACED,
1101                            sizeof(struct cx88_buffer),
1102                            fh);
1103
1104        /* FIXME: locking against other video device */
1105        cx88_set_scale(dev->core, dev->width, dev->height,
1106                        fh->mpegq.field);
1107        unlock_kernel();
1108
1109        atomic_inc(&dev->core->mpeg_users);
1110
1111        return 0;
1112}
1113
1114static int mpeg_release(struct file *file)
1115{
1116        struct cx8802_fh  *fh  = file->private_data;
1117        struct cx8802_dev *dev = fh->dev;
1118        struct cx8802_driver *drv = NULL;
1119
1120        if (dev->mpeg_active && atomic_read(&dev->core->mpeg_users) == 1)
1121                blackbird_stop_codec(dev);
1122
1123        cx8802_cancel_buffers(fh->dev);
1124        /* stop mpeg capture */
1125        videobuf_stop(&fh->mpegq);
1126
1127        videobuf_mmap_free(&fh->mpegq);
1128        file->private_data = NULL;
1129        kfree(fh);
1130
1131        /* Make sure we release the hardware */
1132        dev = cx8802_get_device(video_devdata(file)->minor);
1133        if (dev == NULL)
1134                return -ENODEV;
1135
1136        drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1137        if (drv)
1138                drv->request_release(drv);
1139
1140        atomic_dec(&dev->core->mpeg_users);
1141
1142        return 0;
1143}
1144
1145static ssize_t
1146mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1147{
1148        struct cx8802_fh *fh = file->private_data;
1149        struct cx8802_dev *dev = fh->dev;
1150
1151        if (!dev->mpeg_active)
1152                blackbird_start_codec(file, fh);
1153
1154        return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1155                                    file->f_flags & O_NONBLOCK);
1156}
1157
1158static unsigned int
1159mpeg_poll(struct file *file, struct poll_table_struct *wait)
1160{
1161        struct cx8802_fh *fh = file->private_data;
1162        struct cx8802_dev *dev = fh->dev;
1163
1164        if (!dev->mpeg_active)
1165                blackbird_start_codec(file, fh);
1166
1167        return videobuf_poll_stream(file, &fh->mpegq, wait);
1168}
1169
1170static int
1171mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1172{
1173        struct cx8802_fh *fh = file->private_data;
1174
1175        return videobuf_mmap_mapper(&fh->mpegq, vma);
1176}
1177
1178static const struct v4l2_file_operations mpeg_fops =
1179{
1180        .owner         = THIS_MODULE,
1181        .open          = mpeg_open,
1182        .release       = mpeg_release,
1183        .read          = mpeg_read,
1184        .poll          = mpeg_poll,
1185        .mmap          = mpeg_mmap,
1186        .ioctl         = video_ioctl2,
1187};
1188
1189static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1190        .vidioc_querymenu     = vidioc_querymenu,
1191        .vidioc_querycap      = vidioc_querycap,
1192        .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1193        .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1194        .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1195        .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1196        .vidioc_reqbufs       = vidioc_reqbufs,
1197        .vidioc_querybuf      = vidioc_querybuf,
1198        .vidioc_qbuf          = vidioc_qbuf,
1199        .vidioc_dqbuf         = vidioc_dqbuf,
1200        .vidioc_streamon      = vidioc_streamon,
1201        .vidioc_streamoff     = vidioc_streamoff,
1202        .vidioc_g_ext_ctrls   = vidioc_g_ext_ctrls,
1203        .vidioc_s_ext_ctrls   = vidioc_s_ext_ctrls,
1204        .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1205        .vidioc_s_frequency   = vidioc_s_frequency,
1206        .vidioc_log_status    = vidioc_log_status,
1207        .vidioc_queryctrl     = vidioc_queryctrl,
1208        .vidioc_enum_input    = vidioc_enum_input,
1209        .vidioc_g_ctrl        = vidioc_g_ctrl,
1210        .vidioc_s_ctrl        = vidioc_s_ctrl,
1211        .vidioc_g_frequency   = vidioc_g_frequency,
1212        .vidioc_g_input       = vidioc_g_input,
1213        .vidioc_s_input       = vidioc_s_input,
1214        .vidioc_g_tuner       = vidioc_g_tuner,
1215        .vidioc_s_tuner       = vidioc_s_tuner,
1216        .vidioc_s_std         = vidioc_s_std,
1217};
1218
1219static struct video_device cx8802_mpeg_template = {
1220        .name                 = "cx8802",
1221        .fops                 = &mpeg_fops,
1222        .ioctl_ops            = &mpeg_ioctl_ops,
1223        .minor                = -1,
1224        .tvnorms              = CX88_NORMS,
1225        .current_norm         = V4L2_STD_NTSC_M,
1226};
1227
1228/* ------------------------------------------------------------------ */
1229
1230/* The CX8802 MPEG API will call this when we can use the hardware */
1231static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1232{
1233        struct cx88_core *core = drv->core;
1234        int err = 0;
1235
1236        switch (core->boardnr) {
1237        case CX88_BOARD_HAUPPAUGE_HVR1300:
1238                /* By default, core setup will leave the cx22702 out of reset, on the bus.
1239                 * We left the hardware on power up with the cx22702 active.
1240                 * We're being given access to re-arrange the GPIOs.
1241                 * Take the bus off the cx22702 and put the cx23416 on it.
1242                 */
1243                /* Toggle reset on cx22702 leaving i2c active */
1244                cx_set(MO_GP0_IO, 0x00000080);
1245                udelay(1000);
1246                cx_clear(MO_GP0_IO, 0x00000080);
1247                udelay(50);
1248                cx_set(MO_GP0_IO, 0x00000080);
1249                udelay(1000);
1250                /* tri-state the cx22702 pins */
1251                cx_set(MO_GP0_IO, 0x00000004);
1252                udelay(1000);
1253                break;
1254        default:
1255                err = -ENODEV;
1256        }
1257        return err;
1258}
1259
1260/* The CX8802 MPEG API will call this when we need to release the hardware */
1261static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1262{
1263        struct cx88_core *core = drv->core;
1264        int err = 0;
1265
1266        switch (core->boardnr) {
1267        case CX88_BOARD_HAUPPAUGE_HVR1300:
1268                /* Exit leaving the cx23416 on the bus */
1269                break;
1270        default:
1271                err = -ENODEV;
1272        }
1273        return err;
1274}
1275
1276static void blackbird_unregister_video(struct cx8802_dev *dev)
1277{
1278        if (dev->mpeg_dev) {
1279                if (-1 != dev->mpeg_dev->minor)
1280                        video_unregister_device(dev->mpeg_dev);
1281                else
1282                        video_device_release(dev->mpeg_dev);
1283                dev->mpeg_dev = NULL;
1284        }
1285}
1286
1287static int blackbird_register_video(struct cx8802_dev *dev)
1288{
1289        int err;
1290
1291        dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1292                                       &cx8802_mpeg_template,"mpeg");
1293        err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1294        if (err < 0) {
1295                printk(KERN_INFO "%s/2: can't register mpeg device\n",
1296                       dev->core->name);
1297                return err;
1298        }
1299        printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1300               dev->core->name, dev->mpeg_dev->num);
1301        return 0;
1302}
1303
1304/* ----------------------------------------------------------- */
1305
1306static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1307{
1308        struct cx88_core *core = drv->core;
1309        struct cx8802_dev *dev = core->dvbdev;
1310        int err;
1311
1312        dprintk( 1, "%s\n", __func__);
1313        dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1314                core->boardnr,
1315                core->name,
1316                core->pci_bus,
1317                core->pci_slot);
1318
1319        err = -ENODEV;
1320        if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1321                goto fail_core;
1322
1323        dev->width = 720;
1324        dev->height = 576;
1325        cx2341x_fill_defaults(&dev->params);
1326        dev->params.port = CX2341X_PORT_STREAMING;
1327
1328        cx8802_mpeg_template.current_norm = core->tvnorm;
1329
1330        if (core->tvnorm & V4L2_STD_525_60) {
1331                dev->height = 480;
1332        } else {
1333                dev->height = 576;
1334        }
1335
1336        /* blackbird stuff */
1337        printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1338               core->name);
1339        host_setup(dev->core);
1340
1341        blackbird_initialize_codec(dev);
1342        blackbird_register_video(dev);
1343
1344        /* initial device configuration: needed ? */
1345        mutex_lock(&dev->core->lock);
1346//      init_controls(core);
1347        cx88_set_tvnorm(core,core->tvnorm);
1348        cx88_video_mux(core,0);
1349        mutex_unlock(&dev->core->lock);
1350
1351        return 0;
1352
1353 fail_core:
1354        return err;
1355}
1356
1357static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1358{
1359        /* blackbird */
1360        blackbird_unregister_video(drv->core->dvbdev);
1361
1362        return 0;
1363}
1364
1365static struct cx8802_driver cx8802_blackbird_driver = {
1366        .type_id        = CX88_MPEG_BLACKBIRD,
1367        .hw_access      = CX8802_DRVCTL_SHARED,
1368        .probe          = cx8802_blackbird_probe,
1369        .remove         = cx8802_blackbird_remove,
1370        .advise_acquire = cx8802_blackbird_advise_acquire,
1371        .advise_release = cx8802_blackbird_advise_release,
1372};
1373
1374static int __init blackbird_init(void)
1375{
1376        printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1377               (CX88_VERSION_CODE >> 16) & 0xff,
1378               (CX88_VERSION_CODE >>  8) & 0xff,
1379               CX88_VERSION_CODE & 0xff);
1380#ifdef SNAPSHOT
1381        printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1382               SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1383#endif
1384        return cx8802_register_driver(&cx8802_blackbird_driver);
1385}
1386
1387static void __exit blackbird_fini(void)
1388{
1389        cx8802_unregister_driver(&cx8802_blackbird_driver);
1390}
1391
1392module_init(blackbird_init);
1393module_exit(blackbird_fini);
1394
1395module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1396MODULE_PARM_DESC(debug,"enable debug messages [video]");
1397
1398/* ----------------------------------------------------------- */
1399/*
1400 * Local variables:
1401 * c-basic-offset: 8
1402 * End:
1403 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
1404 */
1405