text: /*
   *
   *  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/moduleparam.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 OLD_BLACKBIRD_FIRM_IMAGE_SIZE 262144
  #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 < dev->fw_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) &&
  	    (firmware->size != OLD_BLACKBIRD_FIRM_IMAGE_SIZE)) {
  		dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d or %d)\n",
  			firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE,
  			OLD_BLACKBIRD_FIRM_IMAGE_SIZE);
  		release_firmware(firmware);
  		return -1;
  	}
  	dev->fw_size = firmware->size;
  
  	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 struct v4l2_mpeg_compression default_mpeg_params = {
  	.st_type          = V4L2_MPEG_PS_2,
  	.st_bitrate       = {
  		.mode     = V4L2_BITRATE_CBR,
  		.min      = 0,
  		.target   = 0,
  		.max      = 0
  	},
  	.ts_pid_pmt       = 16,
  	.ts_pid_audio     = 260,
  	.ts_pid_video     = 256,
  	.ts_pid_pcr       = 259,
  	.ps_size          = 0,
  	.au_type          = V4L2_MPEG_AU_2_II,
  	.au_bitrate       = {
  		.mode     = V4L2_BITRATE_CBR,
  		.min      = 224,
  		.target   = 224,
  		.max      = 224
  	},
  	.au_sample_rate    = 48000,
  	.au_pesid          = 0,
  	.vi_type           = V4L2_MPEG_VI_2,
  	.vi_aspect_ratio   = V4L2_MPEG_ASPECT_4_3,
  	.vi_bitrate        = {
  		.mode      = V4L2_BITRATE_CBR,
  		.min       = 4000,
  		.target    = 4500,
  		.max       = 6000
  	},
  	.vi_frame_rate     = 25,
  	.vi_frames_per_gop = 12,
  	.vi_bframes_count  = 2,
  	.vi_pesid          = 0,
  	.closed_gops       = 1,
  	.pulldown          = 0
  };
  
  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, cx88_boards[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->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_mpegcomp (struct file *file, void *fh,
  			      struct v4l2_mpeg_compression *f)
  {
  	printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. "
  				"Replace with VIDIOC_G_EXT_CTRLS!");
  	memcpy(f,&default_mpeg_params,sizeof(*f));
  	return 0;
  }
  
  static int vidioc_s_mpegcomp (struct file *file, void *fh,
  			      struct v4l2_mpeg_compression *f)
  {
  	printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. "
  				"Replace with VIDIOC_S_EXT_CTRLS!");
  	return 0;
  }
  
  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, 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, 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, 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->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->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->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_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 */
  	if (fh->mpegq.streaming)
  		videobuf_streamoff(&fh->mpegq);
  	if (fh->mpegq.reading)
  		videobuf_read_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_mpegcomp    = vidioc_g_mpegcomp,
  	.vidioc_s_mpegcomp    = vidioc_s_mpegcomp,
  	.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->board) {
  	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->board) {
  	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->board,
  		core->name,
  		core->pci_bus,
  		core->pci_slot);
  
  	err = -ENODEV;
  	if (!(cx88_boards[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
   */
  