Logo Search packages:      
Sourcecode: linux version File versions  Download package

cx88-blackbird.c

/*
 *
 *  Support for a cx23416 mpeg encoder via cx2388x host port.
 *  "blackbird" reference design.
 *
 *    (c) 2004 Jelle Foks <jelle@foks.8m.com>
 *    (c) 2004 Gerd Knorr <kraxel@bytesex.org>
 *
 *    (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
 *        - video_ioctl2 conversion
 *
 *  Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/firmware.h>
#include <media/v4l2-common.h>
#include <media/cx2341x.h>

#include "cx88.h"

MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
MODULE_LICENSE("GPL");

static unsigned int mpegbufs = 32;
module_param(mpegbufs,int,0644);
MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");

static unsigned int debug = 0;
module_param(debug,int,0644);
MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");

#define dprintk(level,fmt, arg...)  if (debug >= level) \
      printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)


/* ------------------------------------------------------------------ */

#define BLACKBIRD_FIRM_IMAGE_SIZE 376836

/* defines below are from ivtv-driver.h */

#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF

/* Firmware API commands */
#define IVTV_API_STD_TIMEOUT 500

enum blackbird_capture_type {
      BLACKBIRD_MPEG_CAPTURE,
      BLACKBIRD_RAW_CAPTURE,
      BLACKBIRD_RAW_PASSTHRU_CAPTURE
};
enum blackbird_capture_bits {
      BLACKBIRD_RAW_BITS_NONE             = 0x00,
      BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
      BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
      BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
      BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
      BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
};
enum blackbird_capture_end {
      BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
      BLACKBIRD_END_NOW, /* stop immediately, no irq */
};
enum blackbird_framerate {
      BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
      BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
};
enum blackbird_stream_port {
      BLACKBIRD_OUTPUT_PORT_MEMORY,
      BLACKBIRD_OUTPUT_PORT_STREAMING,
      BLACKBIRD_OUTPUT_PORT_SERIAL
};
enum blackbird_data_xfer_status {
      BLACKBIRD_MORE_BUFFERS_FOLLOW,
      BLACKBIRD_LAST_BUFFER,
};
enum blackbird_picture_mask {
      BLACKBIRD_PICTURE_MASK_NONE,
      BLACKBIRD_PICTURE_MASK_I_FRAMES,
      BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
      BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
};
enum blackbird_vbi_mode_bits {
      BLACKBIRD_VBI_BITS_SLICED,
      BLACKBIRD_VBI_BITS_RAW,
};
enum blackbird_vbi_insertion_bits {
      BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
      BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
      BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
      BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
      BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
};
enum blackbird_dma_unit {
      BLACKBIRD_DMA_BYTES,
      BLACKBIRD_DMA_FRAMES,
};
enum blackbird_dma_transfer_status_bits {
      BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
      BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
      BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
};
enum blackbird_pause {
      BLACKBIRD_PAUSE_ENCODING,
      BLACKBIRD_RESUME_ENCODING,
};
enum blackbird_copyright {
      BLACKBIRD_COPYRIGHT_OFF,
      BLACKBIRD_COPYRIGHT_ON,
};
enum blackbird_notification_type {
      BLACKBIRD_NOTIFICATION_REFRESH,
};
enum blackbird_notification_status {
      BLACKBIRD_NOTIFICATION_OFF,
      BLACKBIRD_NOTIFICATION_ON,
};
enum blackbird_notification_mailbox {
      BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
};
enum blackbird_field1_lines {
      BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
      BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
      BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
};
enum blackbird_field2_lines {
      BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
      BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
      BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
};
enum blackbird_custom_data_type {
      BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
      BLACKBIRD_CUSTOM_PRIVATE_PACKET,
};
enum blackbird_mute {
      BLACKBIRD_UNMUTE,
      BLACKBIRD_MUTE,
};
enum blackbird_mute_video_mask {
      BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
      BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
      BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
};
enum blackbird_mute_video_shift {
      BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
      BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
      BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
};

/* Registers */
#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
#define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
#define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
#define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
#define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)

/* ------------------------------------------------------------------ */

static void host_setup(struct cx88_core *core)
{
      /* toggle reset of the host */
      cx_write(MO_GPHST_SOFT_RST, 1);
      udelay(100);
      cx_write(MO_GPHST_SOFT_RST, 0);
      udelay(100);

      /* host port setup */
      cx_write(MO_GPHST_WSC, 0x44444444U);
      cx_write(MO_GPHST_XFR, 0);
      cx_write(MO_GPHST_WDTH, 15);
      cx_write(MO_GPHST_HDSHK, 0);
      cx_write(MO_GPHST_MUX16, 0x44448888U);
      cx_write(MO_GPHST_MODE, 0);
}

/* ------------------------------------------------------------------ */

#define P1_MDATA0 0x390000
#define P1_MDATA1 0x390001
#define P1_MDATA2 0x390002
#define P1_MDATA3 0x390003
#define P1_MADDR2 0x390004
#define P1_MADDR1 0x390005
#define P1_MADDR0 0x390006
#define P1_RDATA0 0x390008
#define P1_RDATA1 0x390009
#define P1_RDATA2 0x39000A
#define P1_RDATA3 0x39000B
#define P1_RADDR0 0x39000C
#define P1_RADDR1 0x39000D
#define P1_RRDWR  0x39000E

static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
{
      unsigned long timeout = jiffies + msecs_to_jiffies(1);
      u32 gpio0,need;

      need = state ? 2 : 0;
      for (;;) {
            gpio0 = cx_read(MO_GP0_IO) & 2;
            if (need == gpio0)
                  return 0;
            if (time_after(jiffies,timeout))
                  return -1;
            udelay(1);
      }
}

static int memory_write(struct cx88_core *core, u32 address, u32 value)
{
      /* Warning: address is dword address (4 bytes) */
      cx_writeb(P1_MDATA0, (unsigned int)value);
      cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
      cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
      cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
      cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
      cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
      cx_writeb(P1_MADDR0, (unsigned int)address);
      cx_read(P1_MDATA0);
      cx_read(P1_MADDR0);

      return wait_ready_gpio0_bit1(core,1);
}

static int memory_read(struct cx88_core *core, u32 address, u32 *value)
{
      int retval;
      u32 val;

      /* Warning: address is dword address (4 bytes) */
      cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
      cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
      cx_writeb(P1_MADDR0, (unsigned int)address);
      cx_read(P1_MADDR0);

      retval = wait_ready_gpio0_bit1(core,1);

      cx_writeb(P1_MDATA3, 0);
      val     = (unsigned char)cx_read(P1_MDATA3) << 24;
      cx_writeb(P1_MDATA2, 0);
      val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
      cx_writeb(P1_MDATA1, 0);
      val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
      cx_writeb(P1_MDATA0, 0);
      val    |= (unsigned char)cx_read(P1_MDATA0);

      *value  = val;
      return retval;
}

static int register_write(struct cx88_core *core, u32 address, u32 value)
{
      cx_writeb(P1_RDATA0, (unsigned int)value);
      cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
      cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
      cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
      cx_writeb(P1_RADDR0, (unsigned int)address);
      cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
      cx_writeb(P1_RRDWR, 1);
      cx_read(P1_RDATA0);
      cx_read(P1_RADDR0);

      return wait_ready_gpio0_bit1(core,1);
}


static int register_read(struct cx88_core *core, u32 address, u32 *value)
{
      int retval;
      u32 val;

      cx_writeb(P1_RADDR0, (unsigned int)address);
      cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
      cx_writeb(P1_RRDWR, 0);
      cx_read(P1_RADDR0);

      retval  = wait_ready_gpio0_bit1(core,1);
      val     = (unsigned char)cx_read(P1_RDATA0);
      val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
      val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
      val    |= (unsigned char)cx_read(P1_RDATA3) << 24;

      *value  = val;
      return retval;
}

/* ------------------------------------------------------------------ */

static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
{
      struct cx8802_dev *dev = priv;
      unsigned long timeout;
      u32 value, flag, retval;
      int i;

      dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);

      /* this may not be 100% safe if we can't read any memory location
         without side effects */
      memory_read(dev->core, dev->mailbox - 4, &value);
      if (value != 0x12345678) {
            dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
            return -1;
      }

      memory_read(dev->core, dev->mailbox, &flag);
      if (flag) {
            dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
            return -1;
      }

      flag |= 1; /* tell 'em we're working on it */
      memory_write(dev->core, dev->mailbox, flag);

      /* write command + args + fill remaining with zeros */
      memory_write(dev->core, dev->mailbox + 1, command); /* command code */
      memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
      for (i = 0; i < in; i++) {
            memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
            dprintk(1, "API Input %d = %d\n", i, data[i]);
      }
      for (; i < CX2341X_MBOX_MAX_DATA; i++)
            memory_write(dev->core, dev->mailbox + 4 + i, 0);

      flag |= 3; /* tell 'em we're done writing */
      memory_write(dev->core, dev->mailbox, flag);

      /* wait for firmware to handle the API command */
      timeout = jiffies + msecs_to_jiffies(10);
      for (;;) {
            memory_read(dev->core, dev->mailbox, &flag);
            if (0 != (flag & 4))
                  break;
            if (time_after(jiffies,timeout)) {
                  dprintk(0, "ERROR: API Mailbox timeout\n");
                  return -1;
            }
            udelay(10);
      }

      /* read output values */
      for (i = 0; i < out; i++) {
            memory_read(dev->core, dev->mailbox + 4 + i, data + i);
            dprintk(1, "API Output %d = %d\n", i, data[i]);
      }

      memory_read(dev->core, dev->mailbox + 2, &retval);
      dprintk(1, "API result = %d\n",retval);

      flag = 0;
      memory_write(dev->core, dev->mailbox, flag);
      return retval;
}
/* ------------------------------------------------------------------ */

/* We don't need to call the API often, so using just one mailbox will probably suffice */
static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
                       u32 inputcnt, u32 outputcnt, ...)
{
      u32 data[CX2341X_MBOX_MAX_DATA];
      va_list vargs;
      int i, err;

      va_start(vargs, outputcnt);

      for (i = 0; i < inputcnt; i++) {
            data[i] = va_arg(vargs, int);
      }
      err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
      for (i = 0; i < outputcnt; i++) {
            int *vptr = va_arg(vargs, int *);
            *vptr = data[i];
      }
      va_end(vargs);
      return err;
}

static int blackbird_find_mailbox(struct cx8802_dev *dev)
{
      u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
      int signaturecnt=0;
      u32 value;
      int i;

      for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
            memory_read(dev->core, i, &value);
            if (value == signature[signaturecnt])
                  signaturecnt++;
            else
                  signaturecnt = 0;
            if (4 == signaturecnt) {
                  dprintk(1, "Mailbox signature found\n");
                  return i+1;
            }
      }
      dprintk(0, "Mailbox signature values not found!\n");
      return -1;
}

static int blackbird_load_firmware(struct cx8802_dev *dev)
{
      static const unsigned char magic[8] = {
            0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
      };
      const struct firmware *firmware;
      int i, retval = 0;
      u32 value = 0;
      u32 checksum = 0;
      u32 *dataptr;

      retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
      retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
      retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
      retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
      msleep(1);
      retval |= register_write(dev->core, IVTV_REG_APU, 0);

      if (retval < 0)
            dprintk(0, "Error with register_write\n");

      retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
                          &dev->pci->dev);


      if (retval != 0) {
            dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
                  CX2341X_FIRM_ENC_FILENAME);
            dprintk(0, "Please fix your hotplug setup, the board will "
                  "not work without firmware loaded!\n");
            return -1;
      }

      if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
            dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
                  firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
            release_firmware(firmware);
            return -1;
      }

      if (0 != memcmp(firmware->data, magic, 8)) {
            dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
            release_firmware(firmware);
            return -1;
      }

      /* transfer to the chip */
      dprintk(1,"Loading firmware ...\n");
      dataptr = (u32*)firmware->data;
      for (i = 0; i < (firmware->size >> 2); i++) {
            value = *dataptr;
            checksum += ~value;
            memory_write(dev->core, i, value);
            dataptr++;
      }

      /* read back to verify with the checksum */
      for (i--; i >= 0; i--) {
            memory_read(dev->core, i, &value);
            checksum -= ~value;
      }
      if (checksum) {
            dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
            release_firmware(firmware);
            return -1;
      }
      release_firmware(firmware);
      dprintk(0, "Firmware upload successful.\n");

      retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
      retval |= register_read(dev->core, IVTV_REG_SPU, &value);
      retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
      msleep(1);

      retval |= register_read(dev->core, IVTV_REG_VPU, &value);
      retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);

      if (retval < 0)
            dprintk(0, "Error with register_write\n");
      return 0;
}

/**
 Settings used by the windows tv app for PVR2000:
=================================================================================================================
Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
-----------------------------------------------------------------------------------------------------------------
MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
=================================================================================================================
*DB: "DirectBurn"
*/

static void blackbird_codec_settings(struct cx8802_dev *dev)
{
      /* assign frame size */
      blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
                        dev->height, dev->width);

      dev->params.width = dev->width;
      dev->params.height = dev->height;
      dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;

      cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
}

static int blackbird_initialize_codec(struct cx8802_dev *dev)
{
      struct cx88_core *core = dev->core;
      int version;
      int retval;

      dprintk(1,"Initialize codec\n");
      retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
      if (retval < 0) {
            /* ping was not successful, reset and upload firmware */
            cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
            msleep(1);
            cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
            msleep(1);
            retval = blackbird_load_firmware(dev);
            if (retval < 0)
                  return retval;

            dev->mailbox = blackbird_find_mailbox(dev);
            if (dev->mailbox < 0)
                  return -1;

            retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
            if (retval < 0) {
                  dprintk(0, "ERROR: Firmware ping failed!\n");
                  return -1;
            }

            retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
            if (retval < 0) {
                  dprintk(0, "ERROR: Firmware get encoder version failed!\n");
                  return -1;
            }
            dprintk(0, "Firmware version is 0x%08x\n", version);
      }
      msleep(1);

      cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
      cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
      cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
      cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */

      blackbird_codec_settings(dev);
      msleep(1);

      /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
         blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
         blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
      blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
                  BLACKBIRD_FIELD1_SAA7115,
                  BLACKBIRD_FIELD2_SAA7115
            );

      /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
      blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
                  BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
                  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);

      /* initialize the video input */
      blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);

      msleep(1);

      blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
      msleep(1);
      blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
      msleep(1);

      /* start capturing to the host interface */
      /* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */
      blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
                  BLACKBIRD_MPEG_CAPTURE,
                  BLACKBIRD_RAW_BITS_NONE
            );
      msleep(10);

      blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0);
      return 0;
}

/* ------------------------------------------------------------------ */

static int bb_buf_setup(struct videobuf_queue *q,
                  unsigned int *count, unsigned int *size)
{
      struct cx8802_fh *fh = q->priv_data;

      fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
      fh->dev->ts_packet_count = mpegbufs; /* was: 100 */

      *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
      *count = fh->dev->ts_packet_count;
      return 0;
}

static int
bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
             enum v4l2_field field)
{
      struct cx8802_fh *fh = q->priv_data;
      return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
}

static void
bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
{
      struct cx8802_fh *fh = q->priv_data;
      cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
}

static void
bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
{
      cx88_free_buffer(q, (struct cx88_buffer*)vb);
}

static struct videobuf_queue_ops blackbird_qops = {
      .buf_setup    = bb_buf_setup,
      .buf_prepare  = bb_buf_prepare,
      .buf_queue    = bb_buf_queue,
      .buf_release  = bb_buf_release,
};

/* ------------------------------------------------------------------ */

static const u32 *ctrl_classes[] = {
      cx88_user_ctrls,
      cx2341x_mpeg_ctrls,
      NULL
};

static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
{
      qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
      if (qctrl->id == 0)
            return -EINVAL;

      /* Standard V4L2 controls */
      if (cx8800_ctrl_query(qctrl) == 0)
            return 0;

      /* MPEG V4L2 controls */
      if (cx2341x_ctrl_query(&dev->params, qctrl))
            qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
      return 0;
}

/* ------------------------------------------------------------------ */
/* IOCTL Handlers                                                     */

static int vidioc_querymenu (struct file *file, void *priv,
                        struct v4l2_querymenu *qmenu)
{
      struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
      struct v4l2_queryctrl qctrl;

      qctrl.id = qmenu->id;
      blackbird_queryctrl(dev, &qctrl);
      return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
}

static int vidioc_querycap (struct file *file, void  *priv,
                              struct v4l2_capability *cap)
{
      struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
      struct cx88_core  *core = dev->core;

      strcpy(cap->driver, "cx88_blackbird");
      strlcpy(cap->card, core->board.name, sizeof(cap->card));
      sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
      cap->version = CX88_VERSION_CODE;
      cap->capabilities =
            V4L2_CAP_VIDEO_CAPTURE |
            V4L2_CAP_READWRITE     |
            V4L2_CAP_STREAMING;
      if (UNSET != core->board.tuner_type)
            cap->capabilities |= V4L2_CAP_TUNER;
      return 0;
}

static int vidioc_enum_fmt_cap (struct file *file, void  *priv,
                              struct v4l2_fmtdesc *f)
{
      if (f->index != 0)
            return -EINVAL;

      strlcpy(f->description, "MPEG", sizeof(f->description));
      f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
      f->pixelformat = V4L2_PIX_FMT_MPEG;
      return 0;
}

static int vidioc_g_fmt_cap (struct file *file, void *priv,
                              struct v4l2_format *f)
{
      struct cx8802_fh  *fh   = priv;
      struct cx8802_dev *dev  = fh->dev;

      f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
      f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
      f->fmt.pix.bytesperline = 0;
      f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
      f->fmt.pix.colorspace   = 0;
      f->fmt.pix.width        = dev->width;
      f->fmt.pix.height       = dev->height;
      f->fmt.pix.field        = fh->mpegq.field;
      dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
            dev->width, dev->height, fh->mpegq.field );
      return 0;
}

static int vidioc_try_fmt_cap (struct file *file, void *priv,
                  struct v4l2_format *f)
{
      struct cx8802_fh  *fh   = priv;
      struct cx8802_dev *dev  = fh->dev;

      f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
      f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
      f->fmt.pix.bytesperline = 0;
      f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
      f->fmt.pix.colorspace   = 0;
      dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
            dev->width, dev->height, fh->mpegq.field );
      return 0;
}

static int vidioc_s_fmt_cap (struct file *file, void *priv,
                              struct v4l2_format *f)
{
      struct cx8802_fh  *fh   = priv;
      struct cx8802_dev *dev  = fh->dev;
      struct cx88_core  *core = dev->core;

      f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
      f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
      f->fmt.pix.bytesperline = 0;
      f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
      f->fmt.pix.colorspace   = 0;
      dev->width              = f->fmt.pix.width;
      dev->height             = f->fmt.pix.height;
      fh->mpegq.field         = f->fmt.pix.field;
      cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
      blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
                        f->fmt.pix.height, f->fmt.pix.width);
      dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
            f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
      return 0;
}

static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
{
      struct cx8802_fh  *fh   = priv;
      return (videobuf_reqbufs(&fh->mpegq, p));
}

static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
{
      struct cx8802_fh  *fh   = priv;
      return (videobuf_querybuf(&fh->mpegq, p));
}

static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
{
      struct cx8802_fh  *fh   = priv;
      return (videobuf_qbuf(&fh->mpegq, p));
}

static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
{
      struct cx8802_fh  *fh   = priv;
      return (videobuf_dqbuf(&fh->mpegq, p,
                        file->f_flags & O_NONBLOCK));
}

static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
      struct cx8802_fh  *fh   = priv;
      return videobuf_streamon(&fh->mpegq);
}

static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
      struct cx8802_fh  *fh   = priv;
      return videobuf_streamoff(&fh->mpegq);
}

static int vidioc_g_ext_ctrls (struct file *file, void *priv,
                         struct v4l2_ext_controls *f)
{
      struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;

      if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
            return -EINVAL;
      return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS);
}

static int vidioc_s_ext_ctrls (struct file *file, void *priv,
                         struct v4l2_ext_controls *f)
{
      struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
      struct cx2341x_mpeg_params p;
      int err;

      if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
            return -EINVAL;
      p = dev->params;
      err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
      if (!err) {
            err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
            dev->params = p;
      }
      return err;
}

static int vidioc_try_ext_ctrls (struct file *file, void *priv,
                         struct v4l2_ext_controls *f)
{
      struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
      struct cx2341x_mpeg_params p;
      int err;

      if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
            return -EINVAL;
      p = dev->params;
      err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);

      return err;
}

static int vidioc_s_frequency (struct file *file, void *priv,
                        struct v4l2_frequency *f)
{
      struct cx8802_fh  *fh   = priv;
      struct cx8802_dev *dev  = fh->dev;
      struct cx88_core  *core = dev->core;

      blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
                        BLACKBIRD_END_NOW,
                        BLACKBIRD_MPEG_CAPTURE,
                        BLACKBIRD_RAW_BITS_NONE);
      cx88_set_freq (core,f);
      blackbird_initialize_codec(dev);
      cx88_set_scale(dev->core, dev->width, dev->height,
                  fh->mpegq.field);
      return 0;
}

static int vidioc_log_status (struct file *file, void *priv)
{
      struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
      struct cx88_core  *core = dev->core;
      char name[32 + 2];

      snprintf(name, sizeof(name), "%s/2", core->name);
      printk("%s/2: ============  START LOG STATUS  ============\n",
            core->name);
      cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
      cx2341x_log_status(&dev->params, name);
      printk("%s/2: =============  END LOG STATUS  =============\n",
            core->name);
      return 0;
}

static int vidioc_queryctrl (struct file *file, void *priv,
                        struct v4l2_queryctrl *qctrl)
{
      struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;

      if (blackbird_queryctrl(dev, qctrl) == 0)
            return 0;

      qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
      if (unlikely(qctrl->id == 0))
            return -EINVAL;
      return cx8800_ctrl_query(qctrl);
}

static int vidioc_enum_input (struct file *file, void *priv,
                        struct v4l2_input *i)
{
      struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
      return cx88_enum_input (core,i);
}

static int vidioc_g_ctrl (struct file *file, void *priv,
                        struct v4l2_control *ctl)
{
      struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
      return
            cx88_get_control(core,ctl);
}

static int vidioc_s_ctrl (struct file *file, void *priv,
                        struct v4l2_control *ctl)
{
      struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
      return
            cx88_set_control(core,ctl);
}

static int vidioc_g_frequency (struct file *file, void *priv,
                        struct v4l2_frequency *f)
{
      struct cx8802_fh  *fh   = priv;
      struct cx88_core  *core = fh->dev->core;

      if (unlikely(UNSET == core->board.tuner_type))
            return -EINVAL;

      f->type = V4L2_TUNER_ANALOG_TV;
      f->frequency = core->freq;
      cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);

      return 0;
}

static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
{
      struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;

      *i = core->input;
      return 0;
}

static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
{
      struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;

      if (i >= 4)
            return -EINVAL;

      mutex_lock(&core->lock);
      cx88_newstation(core);
      cx88_video_mux(core,i);
      mutex_unlock(&core->lock);
      return 0;
}

static int vidioc_g_tuner (struct file *file, void *priv,
                        struct v4l2_tuner *t)
{
      struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
      u32 reg;

      if (unlikely(UNSET == core->board.tuner_type))
            return -EINVAL;
      if (0 != t->index)
            return -EINVAL;

      strcpy(t->name, "Television");
      t->type       = V4L2_TUNER_ANALOG_TV;
      t->capability = V4L2_TUNER_CAP_NORM;
      t->rangehigh  = 0xffffffffUL;

      cx88_get_stereo(core ,t);
      reg = cx_read(MO_DEVICE_STATUS);
      t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
      return 0;
}

static int vidioc_s_tuner (struct file *file, void *priv,
                        struct v4l2_tuner *t)
{
      struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;

      if (UNSET == core->board.tuner_type)
            return -EINVAL;
      if (0 != t->index)
            return -EINVAL;

      cx88_set_stereo(core, t->audmode, 1);
      return 0;
}

static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
{
      struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;

      mutex_lock(&core->lock);
      cx88_set_tvnorm(core,*id);
      mutex_unlock(&core->lock);
      return 0;
}

/* FIXME: cx88_ioctl_hook not implemented */

static int mpeg_open(struct inode *inode, struct file *file)
{
      int minor = iminor(inode);
      struct cx8802_dev *dev = NULL;
      struct cx8802_fh *fh;
      struct cx8802_driver *drv = NULL;
      int err;

      dev = cx8802_get_device(inode);

      dprintk( 1, "%s\n", __FUNCTION__);

      if (dev == NULL)
            return -ENODEV;

      /* Make sure we can acquire the hardware */
      drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
      if (drv) {
            err = drv->request_acquire(drv);
            if(err != 0) {
                  dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err);
                  return err;
            }
      }

      if (blackbird_initialize_codec(dev) < 0) {
            if (drv)
                  drv->request_release(drv);
            return -EINVAL;
      }
      dprintk(1,"open minor=%d\n",minor);

      /* allocate + initialize per filehandle data */
      fh = kzalloc(sizeof(*fh),GFP_KERNEL);
      if (NULL == fh) {
            if (drv)
                  drv->request_release(drv);
            return -ENOMEM;
      }
      file->private_data = fh;
      fh->dev      = dev;

      videobuf_queue_pci_init(&fh->mpegq, &blackbird_qops,
                      dev->pci, &dev->slock,
                      V4L2_BUF_TYPE_VIDEO_CAPTURE,
                      V4L2_FIELD_INTERLACED,
                      sizeof(struct cx88_buffer),
                      fh);

      /* FIXME: locking against other video device */
      cx88_set_scale(dev->core, dev->width, dev->height,
                  fh->mpegq.field);

      return 0;
}

static int mpeg_release(struct inode *inode, struct file *file)
{
      struct cx8802_fh  *fh  = file->private_data;
      struct cx8802_dev *dev = NULL;
      struct cx8802_driver *drv = NULL;

      /* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
      blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
                  BLACKBIRD_END_NOW,
                  BLACKBIRD_MPEG_CAPTURE,
                  BLACKBIRD_RAW_BITS_NONE
            );

      cx8802_cancel_buffers(fh->dev);
      /* stop mpeg capture */
      videobuf_stop(&fh->mpegq);

      videobuf_mmap_free(&fh->mpegq);
      file->private_data = NULL;
      kfree(fh);

      /* Make sure we release the hardware */
      dev = cx8802_get_device(inode);
      if (dev == NULL)
            return -ENODEV;

      drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
      if (drv)
            drv->request_release(drv);

      return 0;
}

static ssize_t
mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
{
      struct cx8802_fh *fh = file->private_data;

      return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
                            file->f_flags & O_NONBLOCK);
}

static unsigned int
mpeg_poll(struct file *file, struct poll_table_struct *wait)
{
      struct cx8802_fh *fh = file->private_data;

      return videobuf_poll_stream(file, &fh->mpegq, wait);
}

static int
mpeg_mmap(struct file *file, struct vm_area_struct * vma)
{
      struct cx8802_fh *fh = file->private_data;

      return videobuf_mmap_mapper(&fh->mpegq, vma);
}

static const struct file_operations mpeg_fops =
{
      .owner             = THIS_MODULE,
      .open        = mpeg_open,
      .release       = mpeg_release,
      .read        = mpeg_read,
      .poll          = mpeg_poll,
      .mmap        = mpeg_mmap,
      .ioctl             = video_ioctl2,
      .llseek        = no_llseek,
};

static struct video_device cx8802_mpeg_template =
{
      .name                 = "cx8802",
      .type                 = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
      .fops                 = &mpeg_fops,
      .minor                = -1,
      .vidioc_querymenu     = vidioc_querymenu,
      .vidioc_querycap      = vidioc_querycap,
      .vidioc_enum_fmt_cap  = vidioc_enum_fmt_cap,
      .vidioc_g_fmt_cap     = vidioc_g_fmt_cap,
      .vidioc_try_fmt_cap   = vidioc_try_fmt_cap,
      .vidioc_s_fmt_cap     = vidioc_s_fmt_cap,
      .vidioc_reqbufs       = vidioc_reqbufs,
      .vidioc_querybuf      = vidioc_querybuf,
      .vidioc_qbuf          = vidioc_qbuf,
      .vidioc_dqbuf         = vidioc_dqbuf,
      .vidioc_streamon      = vidioc_streamon,
      .vidioc_streamoff     = vidioc_streamoff,
      .vidioc_g_ext_ctrls   = vidioc_g_ext_ctrls,
      .vidioc_s_ext_ctrls   = vidioc_s_ext_ctrls,
      .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
      .vidioc_s_frequency   = vidioc_s_frequency,
      .vidioc_log_status    = vidioc_log_status,
      .vidioc_queryctrl     = vidioc_queryctrl,
      .vidioc_enum_input    = vidioc_enum_input,
      .vidioc_g_ctrl        = vidioc_g_ctrl,
      .vidioc_s_ctrl        = vidioc_s_ctrl,
      .vidioc_g_frequency   = vidioc_g_frequency,
      .vidioc_g_input       = vidioc_g_input,
      .vidioc_s_input       = vidioc_s_input,
      .vidioc_g_tuner       = vidioc_g_tuner,
      .vidioc_s_tuner       = vidioc_s_tuner,
      .vidioc_s_std         = vidioc_s_std,
      .tvnorms              = CX88_NORMS,
      .current_norm         = V4L2_STD_NTSC_M,
};

/* ------------------------------------------------------------------ */

/* The CX8802 MPEG API will call this when we can use the hardware */
static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
{
      struct cx88_core *core = drv->core;
      int err = 0;

      switch (core->boardnr) {
      case CX88_BOARD_HAUPPAUGE_HVR1300:
            /* By default, core setup will leave the cx22702 out of reset, on the bus.
             * We left the hardware on power up with the cx22702 active.
             * We're being given access to re-arrange the GPIOs.
             * Take the bus off the cx22702 and put the cx23416 on it.
             */
            cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
            cx_set(MO_GP0_IO,   0x00000004); /* Disable the cx22702 */
            break;
      default:
            err = -ENODEV;
      }
      return err;
}

/* The CX8802 MPEG API will call this when we need to release the hardware */
static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
{
      struct cx88_core *core = drv->core;
      int err = 0;

      switch (core->boardnr) {
      case CX88_BOARD_HAUPPAUGE_HVR1300:
            /* Exit leaving the cx23416 on the bus */
            break;
      default:
            err = -ENODEV;
      }
      return err;
}

static void blackbird_unregister_video(struct cx8802_dev *dev)
{
      if (dev->mpeg_dev) {
            if (-1 != dev->mpeg_dev->minor)
                  video_unregister_device(dev->mpeg_dev);
            else
                  video_device_release(dev->mpeg_dev);
            dev->mpeg_dev = NULL;
      }
}

static int blackbird_register_video(struct cx8802_dev *dev)
{
      int err;

      dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
                               &cx8802_mpeg_template,"mpeg");
      err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
      if (err < 0) {
            printk(KERN_INFO "%s/2: can't register mpeg device\n",
                   dev->core->name);
            return err;
      }
      printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
             dev->core->name,dev->mpeg_dev->minor & 0x1f);
      return 0;
}

/* ----------------------------------------------------------- */

static int cx8802_blackbird_probe(struct cx8802_driver *drv)
{
      struct cx88_core *core = drv->core;
      struct cx8802_dev *dev = core->dvbdev;
      int err;

      dprintk( 1, "%s\n", __FUNCTION__);
      dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
            core->boardnr,
            core->name,
            core->pci_bus,
            core->pci_slot);

      err = -ENODEV;
      if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
            goto fail_core;

      dev->width = 720;
      dev->height = 576;
      cx2341x_fill_defaults(&dev->params);
      dev->params.port = CX2341X_PORT_STREAMING;

      cx8802_mpeg_template.current_norm = core->tvnorm;

      if (core->tvnorm & V4L2_STD_525_60) {
            dev->height = 480;
      } else {
            dev->height = 576;
      }

      /* blackbird stuff */
      printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
             core->name);
      host_setup(dev->core);

      blackbird_register_video(dev);

      /* initial device configuration: needed ? */
      mutex_lock(&dev->core->lock);
//    init_controls(core);
      cx88_set_tvnorm(core,core->tvnorm);
      cx88_video_mux(core,0);
      mutex_unlock(&dev->core->lock);

      return 0;

 fail_core:
      return err;
}

static int cx8802_blackbird_remove(struct cx8802_driver *drv)
{
      /* blackbird */
      blackbird_unregister_video(drv->core->dvbdev);

      return 0;
}

static struct cx8802_driver cx8802_blackbird_driver = {
      .type_id    = CX88_MPEG_BLACKBIRD,
      .hw_access  = CX8802_DRVCTL_SHARED,
      .probe            = cx8802_blackbird_probe,
      .remove           = cx8802_blackbird_remove,
      .advise_acquire   = cx8802_blackbird_advise_acquire,
      .advise_release   = cx8802_blackbird_advise_release,
};

static int blackbird_init(void)
{
      printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
             (CX88_VERSION_CODE >> 16) & 0xff,
             (CX88_VERSION_CODE >>  8) & 0xff,
             CX88_VERSION_CODE & 0xff);
#ifdef SNAPSHOT
      printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
             SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
#endif
      return cx8802_register_driver(&cx8802_blackbird_driver);
}

static void blackbird_fini(void)
{
      cx8802_unregister_driver(&cx8802_blackbird_driver);
}

module_init(blackbird_init);
module_exit(blackbird_fini);

module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
MODULE_PARM_DESC(debug,"enable debug messages [video]");

/* ----------------------------------------------------------- */
/*
 * Local variables:
 * c-basic-offset: 8
 * End:
 * 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
 */

Generated by  Doxygen 1.6.0   Back to index