cx23885-video.c 48.2 KB
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/*
 *  Driver for the Conexant CX23885 PCIe bridge
 *
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 *  Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
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 *
 *  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/init.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kmod.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/kthread.h>
#include <asm/div64.h>

#include "cx23885.h"
#include <media/v4l2-common.h>
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#include <media/v4l2-ioctl.h>
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#include "cx23885-ioctl.h"
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#include "tuner-xc2028.h"
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#include <media/cx25840.h>

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MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
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MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
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MODULE_LICENSE("GPL");

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

static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
static unsigned int vbi_nr[]   = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };

module_param_array(video_nr, int, NULL, 0444);
module_param_array(vbi_nr,   int, NULL, 0444);
module_param_array(radio_nr, int, NULL, 0444);

MODULE_PARM_DESC(video_nr, "video device numbers");
MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
MODULE_PARM_DESC(radio_nr, "radio device numbers");

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static unsigned int video_debug;
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module_param(video_debug, int, 0644);
MODULE_PARM_DESC(video_debug, "enable debug messages [video]");

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static unsigned int irq_debug;
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module_param(irq_debug, int, 0644);
MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");

static unsigned int vid_limit = 16;
module_param(vid_limit, int, 0644);
MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");

#define dprintk(level, fmt, arg...)\
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	do { if (video_debug >= level)\
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		printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
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	} while (0)
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/* ------------------------------------------------------------------- */
/* static data                                                         */

#define FORMAT_FLAGS_PACKED       0x01
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#if 0
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static struct cx23885_fmt formats[] = {
	{
		.name     = "8 bpp, gray",
		.fourcc   = V4L2_PIX_FMT_GREY,
		.depth    = 8,
		.flags    = FORMAT_FLAGS_PACKED,
	}, {
		.name     = "15 bpp RGB, le",
		.fourcc   = V4L2_PIX_FMT_RGB555,
		.depth    = 16,
		.flags    = FORMAT_FLAGS_PACKED,
	}, {
		.name     = "15 bpp RGB, be",
		.fourcc   = V4L2_PIX_FMT_RGB555X,
		.depth    = 16,
		.flags    = FORMAT_FLAGS_PACKED,
	}, {
		.name     = "16 bpp RGB, le",
		.fourcc   = V4L2_PIX_FMT_RGB565,
		.depth    = 16,
		.flags    = FORMAT_FLAGS_PACKED,
	}, {
		.name     = "16 bpp RGB, be",
		.fourcc   = V4L2_PIX_FMT_RGB565X,
		.depth    = 16,
		.flags    = FORMAT_FLAGS_PACKED,
	}, {
		.name     = "24 bpp RGB, le",
		.fourcc   = V4L2_PIX_FMT_BGR24,
		.depth    = 24,
		.flags    = FORMAT_FLAGS_PACKED,
	}, {
		.name     = "32 bpp RGB, le",
		.fourcc   = V4L2_PIX_FMT_BGR32,
		.depth    = 32,
		.flags    = FORMAT_FLAGS_PACKED,
	}, {
		.name     = "32 bpp RGB, be",
		.fourcc   = V4L2_PIX_FMT_RGB32,
		.depth    = 32,
		.flags    = FORMAT_FLAGS_PACKED,
	}, {
		.name     = "4:2:2, packed, YUYV",
		.fourcc   = V4L2_PIX_FMT_YUYV,
		.depth    = 16,
		.flags    = FORMAT_FLAGS_PACKED,
	}, {
		.name     = "4:2:2, packed, UYVY",
		.fourcc   = V4L2_PIX_FMT_UYVY,
		.depth    = 16,
		.flags    = FORMAT_FLAGS_PACKED,
	},
};
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#else
static struct cx23885_fmt formats[] = {
	{
#if 0
		.name     = "4:2:2, packed, UYVY",
		.fourcc   = V4L2_PIX_FMT_UYVY,
		.depth    = 16,
		.flags    = FORMAT_FLAGS_PACKED,
	}, {
#endif
		.name     = "4:2:2, packed, YUYV",
		.fourcc   = V4L2_PIX_FMT_YUYV,
		.depth    = 16,
		.flags    = FORMAT_FLAGS_PACKED,
	}
};
#endif
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static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
{
	unsigned int i;

	for (i = 0; i < ARRAY_SIZE(formats); i++)
		if (formats[i].fourcc == fourcc)
			return formats+i;

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	printk(KERN_ERR "%s(%c%c%c%c) NOT FOUND\n", __func__,
		(fourcc & 0xff),
		((fourcc >> 8) & 0xff),
		((fourcc >> 16) & 0xff),
		((fourcc >> 24) & 0xff)
		);
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	return NULL;
}

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

static const struct v4l2_queryctrl no_ctl = {
	.name  = "42",
	.flags = V4L2_CTRL_FLAG_DISABLED,
};

static struct cx23885_ctrl cx23885_ctls[] = {
	/* --- video --- */
	{
		.v = {
			.id            = V4L2_CID_BRIGHTNESS,
			.name          = "Brightness",
			.minimum       = 0x00,
			.maximum       = 0xff,
			.step          = 1,
			.default_value = 0x7f,
			.type          = V4L2_CTRL_TYPE_INTEGER,
		},
		.off                   = 128,
		.reg                   = LUMA_CTRL,
		.mask                  = 0x00ff,
		.shift                 = 0,
	}, {
		.v = {
			.id            = V4L2_CID_CONTRAST,
			.name          = "Contrast",
			.minimum       = 0,
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			.maximum       = 0x7f,
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			.step          = 1,
			.default_value = 0x3f,
			.type          = V4L2_CTRL_TYPE_INTEGER,
		},
		.off                   = 0,
		.reg                   = LUMA_CTRL,
		.mask                  = 0xff00,
		.shift                 = 8,
	}, {
		.v = {
			.id            = V4L2_CID_HUE,
			.name          = "Hue",
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			.minimum       = -127,
			.maximum       = 128,
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			.step          = 1,
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			.default_value = 0x0,
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			.type          = V4L2_CTRL_TYPE_INTEGER,
		},
		.off                   = 128,
		.reg                   = CHROMA_CTRL,
		.mask                  = 0xff0000,
		.shift                 = 16,
	}, {
		/* strictly, this only describes only U saturation.
		 * V saturation is handled specially through code.
		 */
		.v = {
			.id            = V4L2_CID_SATURATION,
			.name          = "Saturation",
			.minimum       = 0,
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			.maximum       = 0x7f,
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			.step          = 1,
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			.default_value = 0x3f,
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			.type          = V4L2_CTRL_TYPE_INTEGER,
		},
		.off                   = 0,
		.reg                   = CHROMA_CTRL,
		.mask                  = 0x00ff,
		.shift                 = 0,
	}, {
	/* --- audio --- */
		.v = {
			.id            = V4L2_CID_AUDIO_MUTE,
			.name          = "Mute",
			.minimum       = 0,
			.maximum       = 1,
			.default_value = 1,
			.type          = V4L2_CTRL_TYPE_BOOLEAN,
		},
		.reg                   = PATH1_CTL1,
		.mask                  = (0x1f << 24),
		.shift                 = 24,
	}, {
		.v = {
			.id            = V4L2_CID_AUDIO_VOLUME,
			.name          = "Volume",
			.minimum       = 0,
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			.maximum       = 65535,
			.step          = 65535 / 100,
			.default_value = 65535,
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			.type          = V4L2_CTRL_TYPE_INTEGER,
		},
		.reg                   = PATH1_VOL_CTL,
		.mask                  = 0xff,
		.shift                 = 0,
	}
};
static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls);

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/* Must be sorted from low to high control ID! */
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static const u32 cx23885_user_ctrls[] = {
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	V4L2_CID_USER_CLASS,
	V4L2_CID_BRIGHTNESS,
	V4L2_CID_CONTRAST,
	V4L2_CID_SATURATION,
	V4L2_CID_HUE,
	V4L2_CID_AUDIO_VOLUME,
	V4L2_CID_AUDIO_MUTE,
	0
};

static const u32 *ctrl_classes[] = {
	cx23885_user_ctrls,
	NULL
};

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void cx23885_video_wakeup(struct cx23885_dev *dev,
	struct cx23885_dmaqueue *q, u32 count)
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{
	struct cx23885_buffer *buf;
	int bc;

	for (bc = 0;; bc++) {
		if (list_empty(&q->active))
			break;
		buf = list_entry(q->active.next,
				 struct cx23885_buffer, vb.queue);
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		/* count comes from the hw and is is 16bit wide --
		 * this trick handles wrap-arounds correctly for
		 * up to 32767 buffers in flight... */
		if ((s16) (count - buf->count) < 0)
			break;
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		do_gettimeofday(&buf->vb.ts);
		dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i,
			count, buf->count);
		buf->vb.state = VIDEOBUF_DONE;
		list_del(&buf->vb.queue);
		wake_up(&buf->vb.done);
	}
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	if (list_empty(&q->active))
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		del_timer(&q->timeout);
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	else
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		mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
	if (bc != 1)
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		printk(KERN_ERR "%s: %d buffers handled (should be 1)\n",
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			__func__, bc);
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}

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int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
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{
	dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
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		__func__,
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		(unsigned int)norm,
		v4l2_norm_to_name(norm));

	dev->tvnorm = norm;

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	call_all(dev, core, s_std, norm);
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	return 0;
}

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static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
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				    struct pci_dev *pci,
				    struct video_device *template,
				    char *type)
{
	struct video_device *vfd;
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	dprintk(1, "%s()\n", __func__);
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	vfd = video_device_alloc();
	if (NULL == vfd)
		return NULL;
	*vfd = *template;
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	vfd->v4l2_dev = &dev->v4l2_dev;
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	vfd->release = video_device_release;
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	snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
		 cx23885_boards[dev->board].name, type);
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	video_set_drvdata(vfd, dev);
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	return vfd;
}

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static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
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{
	int i;

	if (qctrl->id < V4L2_CID_BASE ||
	    qctrl->id >= V4L2_CID_LASTP1)
		return -EINVAL;
	for (i = 0; i < CX23885_CTLS; i++)
		if (cx23885_ctls[i].v.id == qctrl->id)
			break;
	if (i == CX23885_CTLS) {
		*qctrl = no_ctl;
		return 0;
	}
	*qctrl = cx23885_ctls[i].v;
	return 0;
}

/* ------------------------------------------------------------------- */
/* resource management                                                 */

static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh,
	unsigned int bit)
{
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	dprintk(1, "%s()\n", __func__);
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	if (fh->resources & bit)
		/* have it already allocated */
		return 1;

	/* is it free? */
	mutex_lock(&dev->lock);
	if (dev->resources & bit) {
		/* no, someone else uses it */
		mutex_unlock(&dev->lock);
		return 0;
	}
	/* it's free, grab it */
	fh->resources  |= bit;
	dev->resources |= bit;
	dprintk(1, "res: get %d\n", bit);
	mutex_unlock(&dev->lock);
	return 1;
}

static int res_check(struct cx23885_fh *fh, unsigned int bit)
{
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	return fh->resources & bit;
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}

static int res_locked(struct cx23885_dev *dev, unsigned int bit)
{
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	return dev->resources & bit;
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}

static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh,
	unsigned int bits)
{
	BUG_ON((fh->resources & bits) != bits);
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	dprintk(1, "%s()\n", __func__);
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	mutex_lock(&dev->lock);
	fh->resources  &= ~bits;
	dev->resources &= ~bits;
	dprintk(1, "res: put %d\n", bits);
	mutex_unlock(&dev->lock);
}

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static int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
{
	/* 8 bit registers, 8 bit values */
	u8 buf[] = { reg, data };

	struct i2c_msg msg = { .addr = 0x98 >> 1,
		.flags = 0, .buf = buf, .len = 2 };

	return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
}

static u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
{
	/* 8 bit registers, 8 bit values */
	int ret;
	u8 b0[] = { reg };
	u8 b1[] = { 0 };

	struct i2c_msg msg[] = {
		{ .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
		{ .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
	};

	ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
	if (ret != 2)
		printk(KERN_ERR "%s() error\n", __func__);

	return b1[0];
}

static void cx23885_flatiron_dump(struct cx23885_dev *dev)
{
	int i;
	dprintk(1, "Flatiron dump\n");
	for (i = 0; i < 0x24; i++) {
		dprintk(1, "FI[%02x] = %02x\n", i,
			cx23885_flatiron_read(dev, i));
	}
}

static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
{
	u8 val;
	dprintk(1, "%s(input = %d)\n", __func__, input);

	if (input == 1)
		val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
	else if (input == 2)
		val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
	else
		return -EINVAL;

	val |= 0x20; /* Enable clock to delta-sigma and dec filter */

	cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);

	/* Wake up */
	cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);

	if (video_debug)
		cx23885_flatiron_dump(dev);

	return 0;
}

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static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
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{
	dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
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		__func__,
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		input, INPUT(input)->vmux,
		INPUT(input)->gpio0, INPUT(input)->gpio1,
		INPUT(input)->gpio2, INPUT(input)->gpio3);
	dev->input = input;

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	if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
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		dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
		dev->board == CX23885_BOARD_MYGICA_X8507) {
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		/* Select Analog TV */
		if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
			cx23885_gpio_clear(dev, GPIO_0);
	}

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	/* Tell the internal A/V decoder */
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	v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
			INPUT(input)->vmux, 0, 0);
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	if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
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		(dev->board == CX23885_BOARD_MPX885) ||
		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850)) {
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		/* Configure audio routing */
		v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
			INPUT(input)->amux, 0, 0);

		if (INPUT(input)->amux == CX25840_AUDIO7)
			cx23885_flatiron_mux(dev, 1);
		else if (INPUT(input)->amux == CX25840_AUDIO6)
			cx23885_flatiron_mux(dev, 2);
	}

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	return 0;
}

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static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
{
	dprintk(1, "%s(input=%d)\n", __func__, input);

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	/* The baseband video core of the cx23885 has two audio inputs.
	 * LR1 and LR2. In almost every single case so far only HVR1xxx
	 * cards we've only ever supported LR1. Time to support LR2,
	 * which is available via the optional white breakout header on
	 * the board.
	 * We'll use a could of existing enums in the card struct to allow
	 * devs to specify which baseband input they need, or just default
	 * to what we've always used.
	 */
	if (INPUT(input)->amux == CX25840_AUDIO7)
		cx23885_flatiron_mux(dev, 1);
	else if (INPUT(input)->amux == CX25840_AUDIO6)
		cx23885_flatiron_mux(dev, 2);
	else {
		/* Not specifically defined, assume the default. */
		cx23885_flatiron_mux(dev, 1);
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	}

	return 0;
}

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/* ------------------------------------------------------------------ */
static int cx23885_start_video_dma(struct cx23885_dev *dev,
			   struct cx23885_dmaqueue *q,
			   struct cx23885_buffer *buf)
{
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	dprintk(1, "%s()\n", __func__);
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	/* Stop the dma/fifo before we tamper with it's risc programs */
	cx_clear(VID_A_DMA_CTL, 0x11);

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	/* setup fifo + format */
	cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
				buf->bpl, buf->risc.dma);

	/* reset counter */
	cx_write(VID_A_GPCNT_CTL, 3);
	q->count = 1;

	/* enable irq */
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	cx23885_irq_add_enable(dev, 0x01);
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	cx_set(VID_A_INT_MSK, 0x000011);

	/* start dma */
	cx_set(DEV_CNTRL2, (1<<5));
	cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */

	return 0;
}


static int cx23885_restart_video_queue(struct cx23885_dev *dev,
			       struct cx23885_dmaqueue *q)
{
	struct cx23885_buffer *buf, *prev;
	struct list_head *item;
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	dprintk(1, "%s()\n", __func__);
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	if (!list_empty(&q->active)) {
		buf = list_entry(q->active.next, struct cx23885_buffer,
			vb.queue);
		dprintk(2, "restart_queue [%p/%d]: restart dma\n",
			buf, buf->vb.i);
		cx23885_start_video_dma(dev, q, buf);
		list_for_each(item, &q->active) {
			buf = list_entry(item, struct cx23885_buffer,
				vb.queue);
			buf->count    = q->count++;
		}
		mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
		return 0;
	}

	prev = NULL;
	for (;;) {
		if (list_empty(&q->queued))
			return 0;
		buf = list_entry(q->queued.next, struct cx23885_buffer,
			vb.queue);
		if (NULL == prev) {
			list_move_tail(&buf->vb.queue, &q->active);
			cx23885_start_video_dma(dev, q, buf);
			buf->vb.state = VIDEOBUF_ACTIVE;
			buf->count    = q->count++;
			mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
			dprintk(2, "[%p/%d] restart_queue - first active\n",
				buf, buf->vb.i);

		} else if (prev->vb.width  == buf->vb.width  &&
			   prev->vb.height == buf->vb.height &&
			   prev->fmt       == buf->fmt) {
			list_move_tail(&buf->vb.queue, &q->active);
			buf->vb.state = VIDEOBUF_ACTIVE;
			buf->count    = q->count++;
			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
			prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */
			dprintk(2, "[%p/%d] restart_queue - move to active\n",
				buf, buf->vb.i);
		} else {
			return 0;
		}
		prev = buf;
	}
}

static int buffer_setup(struct videobuf_queue *q, unsigned int *count,
	unsigned int *size)
{
	struct cx23885_fh *fh = q->priv_data;

	*size = fh->fmt->depth*fh->width*fh->height >> 3;
	if (0 == *count)
		*count = 32;
639 640
	if (*size * *count > vid_limit * 1024 * 1024)
		*count = (vid_limit * 1024 * 1024) / *size;
641 642 643 644 645 646 647 648 649 650 651 652 653
	return 0;
}

static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
	       enum v4l2_field field)
{
	struct cx23885_fh *fh  = q->priv_data;
	struct cx23885_dev *dev = fh->dev;
	struct cx23885_buffer *buf =
		container_of(vb, struct cx23885_buffer, vb);
	int rc, init_buffer = 0;
	u32 line0_offset, line1_offset;
	struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
654
	int field_tff;
655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695

	BUG_ON(NULL == fh->fmt);
	if (fh->width  < 48 || fh->width  > norm_maxw(dev->tvnorm) ||
	    fh->height < 32 || fh->height > norm_maxh(dev->tvnorm))
		return -EINVAL;
	buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
	if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
		return -EINVAL;

	if (buf->fmt       != fh->fmt    ||
	    buf->vb.width  != fh->width  ||
	    buf->vb.height != fh->height ||
	    buf->vb.field  != field) {
		buf->fmt       = fh->fmt;
		buf->vb.width  = fh->width;
		buf->vb.height = fh->height;
		buf->vb.field  = field;
		init_buffer = 1;
	}

	if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
		init_buffer = 1;
		rc = videobuf_iolock(q, &buf->vb, NULL);
		if (0 != rc)
			goto fail;
	}

	if (init_buffer) {
		buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
		switch (buf->vb.field) {
		case V4L2_FIELD_TOP:
			cx23885_risc_buffer(dev->pci, &buf->risc,
					 dma->sglist, 0, UNSET,
					 buf->bpl, 0, buf->vb.height);
			break;
		case V4L2_FIELD_BOTTOM:
			cx23885_risc_buffer(dev->pci, &buf->risc,
					 dma->sglist, UNSET, 0,
					 buf->bpl, 0, buf->vb.height);
			break;
		case V4L2_FIELD_INTERLACED:
696 697 698 699 700 701 702 703 704 705 706
			if (dev->tvnorm & V4L2_STD_NTSC)
				/* NTSC or  */
				field_tff = 1;
			else
				field_tff = 0;

			if (cx23885_boards[dev->board].force_bff)
				/* PAL / SECAM OR 888 in NTSC MODE */
				field_tff = 0;

			if (field_tff) {
707
				/* cx25840 transmits NTSC bottom field first */
708
				dprintk(1, "%s() Creating TFF/NTSC risc\n",
709
					__func__);
710 711 712 713
				line0_offset = buf->bpl;
				line1_offset = 0;
			} else {
				/* All other formats are top field first */
714
				dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
715
					__func__);
716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850
				line0_offset = 0;
				line1_offset = buf->bpl;
			}
			cx23885_risc_buffer(dev->pci, &buf->risc,
					dma->sglist, line0_offset,
					line1_offset,
					buf->bpl, buf->bpl,
					buf->vb.height >> 1);
			break;
		case V4L2_FIELD_SEQ_TB:
			cx23885_risc_buffer(dev->pci, &buf->risc,
					 dma->sglist,
					 0, buf->bpl * (buf->vb.height >> 1),
					 buf->bpl, 0,
					 buf->vb.height >> 1);
			break;
		case V4L2_FIELD_SEQ_BT:
			cx23885_risc_buffer(dev->pci, &buf->risc,
					 dma->sglist,
					 buf->bpl * (buf->vb.height >> 1), 0,
					 buf->bpl, 0,
					 buf->vb.height >> 1);
			break;
		default:
			BUG();
		}
	}
	dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
		buf, buf->vb.i,
		fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
		(unsigned long)buf->risc.dma);

	buf->vb.state = VIDEOBUF_PREPARED;
	return 0;

 fail:
	cx23885_free_buffer(q, buf);
	return rc;
}

static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
	struct cx23885_buffer   *buf = container_of(vb,
		struct cx23885_buffer, vb);
	struct cx23885_buffer   *prev;
	struct cx23885_fh       *fh   = vq->priv_data;
	struct cx23885_dev      *dev  = fh->dev;
	struct cx23885_dmaqueue *q    = &dev->vidq;

	/* add jump to stopper */
	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
	buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */

	if (!list_empty(&q->queued)) {
		list_add_tail(&buf->vb.queue, &q->queued);
		buf->vb.state = VIDEOBUF_QUEUED;
		dprintk(2, "[%p/%d] buffer_queue - append to queued\n",
			buf, buf->vb.i);

	} else if (list_empty(&q->active)) {
		list_add_tail(&buf->vb.queue, &q->active);
		cx23885_start_video_dma(dev, q, buf);
		buf->vb.state = VIDEOBUF_ACTIVE;
		buf->count    = q->count++;
		mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
		dprintk(2, "[%p/%d] buffer_queue - first active\n",
			buf, buf->vb.i);

	} else {
		prev = list_entry(q->active.prev, struct cx23885_buffer,
			vb.queue);
		if (prev->vb.width  == buf->vb.width  &&
		    prev->vb.height == buf->vb.height &&
		    prev->fmt       == buf->fmt) {
			list_add_tail(&buf->vb.queue, &q->active);
			buf->vb.state = VIDEOBUF_ACTIVE;
			buf->count    = q->count++;
			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
			/* 64 bit bits 63-32 */
			prev->risc.jmp[2] = cpu_to_le32(0);
			dprintk(2, "[%p/%d] buffer_queue - append to active\n",
				buf, buf->vb.i);

		} else {
			list_add_tail(&buf->vb.queue, &q->queued);
			buf->vb.state = VIDEOBUF_QUEUED;
			dprintk(2, "[%p/%d] buffer_queue - first queued\n",
				buf, buf->vb.i);
		}
	}
}

static void buffer_release(struct videobuf_queue *q,
	struct videobuf_buffer *vb)
{
	struct cx23885_buffer *buf = container_of(vb,
		struct cx23885_buffer, vb);

	cx23885_free_buffer(q, buf);
}

static struct videobuf_queue_ops cx23885_video_qops = {
	.buf_setup    = buffer_setup,
	.buf_prepare  = buffer_prepare,
	.buf_queue    = buffer_queue,
	.buf_release  = buffer_release,
};

static struct videobuf_queue *get_queue(struct cx23885_fh *fh)
{
	switch (fh->type) {
	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
		return &fh->vidq;
	case V4L2_BUF_TYPE_VBI_CAPTURE:
		return &fh->vbiq;
	default:
		BUG();
		return NULL;
	}
}

static int get_resource(struct cx23885_fh *fh)
{
	switch (fh->type) {
	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
		return RESOURCE_VIDEO;
	case V4L2_BUF_TYPE_VBI_CAPTURE:
		return RESOURCE_VBI;
	default:
		BUG();
		return 0;
	}
}

851
static int video_open(struct file *file)
852
{
853 854
	struct video_device *vdev = video_devdata(file);
	struct cx23885_dev *dev = video_drvdata(file);
855 856 857 858
	struct cx23885_fh *fh;
	enum v4l2_buf_type type = 0;
	int radio = 0;

859 860 861 862 863 864 865 866 867 868
	switch (vdev->vfl_type) {
	case VFL_TYPE_GRABBER:
		type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
		break;
	case VFL_TYPE_VBI:
		type = V4L2_BUF_TYPE_VBI_CAPTURE;
		break;
	case VFL_TYPE_RADIO:
		radio = 1;
		break;
869
	}
870

871 872
	dprintk(1, "open dev=%s radio=%d type=%s\n",
		video_device_node_name(vdev), radio, v4l2_type_names[type]);
873 874 875

	/* allocate + initialize per filehandle data */
	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
876
	if (NULL == fh)
877
		return -ENOMEM;
878

879 880 881 882 883 884
	file->private_data = fh;
	fh->dev      = dev;
	fh->radio    = radio;
	fh->type     = type;
	fh->width    = 320;
	fh->height   = 240;
885
	fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_YUYV);
886

887 888
	videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops,
			    &dev->pci->dev, &dev->slock,
889 890 891
			    V4L2_BUF_TYPE_VIDEO_CAPTURE,
			    V4L2_FIELD_INTERLACED,
			    sizeof(struct cx23885_buffer),
892
			    fh, NULL);
893

894 895 896 897 898 899 900 901
	videobuf_queue_sg_init(&fh->vbiq, &cx23885_vbi_qops,
		&dev->pci->dev, &dev->slock,
		V4L2_BUF_TYPE_VBI_CAPTURE,
		V4L2_FIELD_SEQ_TB,
		sizeof(struct cx23885_buffer),
		fh, NULL);


902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933
	dprintk(1, "post videobuf_queue_init()\n");

	return 0;
}

static ssize_t video_read(struct file *file, char __user *data,
	size_t count, loff_t *ppos)
{
	struct cx23885_fh *fh = file->private_data;

	switch (fh->type) {
	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
		if (res_locked(fh->dev, RESOURCE_VIDEO))
			return -EBUSY;
		return videobuf_read_one(&fh->vidq, data, count, ppos,
					 file->f_flags & O_NONBLOCK);
	case V4L2_BUF_TYPE_VBI_CAPTURE:
		if (!res_get(fh->dev, fh, RESOURCE_VBI))
			return -EBUSY;
		return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
					    file->f_flags & O_NONBLOCK);
	default:
		BUG();
		return 0;
	}
}

static unsigned int video_poll(struct file *file,
	struct poll_table_struct *wait)
{
	struct cx23885_fh *fh = file->private_data;
	struct cx23885_buffer *buf;
934
	unsigned int rc = POLLERR;
935 936 937 938 939 940 941

	if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
		if (!res_get(fh->dev, fh, RESOURCE_VBI))
			return POLLERR;
		return videobuf_poll_stream(file, &fh->vbiq, wait);
	}

942
	mutex_lock(&fh->vidq.vb_lock);
943 944 945
	if (res_check(fh, RESOURCE_VIDEO)) {
		/* streaming capture */
		if (list_empty(&fh->vidq.stream))
946
			goto done;
947 948 949 950 951 952
		buf = list_entry(fh->vidq.stream.next,
			struct cx23885_buffer, vb.stream);
	} else {
		/* read() capture */
		buf = (struct cx23885_buffer *)fh->vidq.read_buf;
		if (NULL == buf)
953
			goto done;
954 955 956 957
	}
	poll_wait(file, &buf->vb.done, wait);
	if (buf->vb.state == VIDEOBUF_DONE ||
	    buf->vb.state == VIDEOBUF_ERROR)
958 959 960 961 962 963
		rc =  POLLIN|POLLRDNORM;
	else
		rc = 0;
done:
	mutex_unlock(&fh->vidq.vb_lock);
	return rc;
964 965
}

966
static int video_release(struct file *file)
967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996
{
	struct cx23885_fh *fh = file->private_data;
	struct cx23885_dev *dev = fh->dev;

	/* turn off overlay */
	if (res_check(fh, RESOURCE_OVERLAY)) {
		/* FIXME */
		res_free(dev, fh, RESOURCE_OVERLAY);
	}

	/* stop video capture */
	if (res_check(fh, RESOURCE_VIDEO)) {
		videobuf_queue_cancel(&fh->vidq);
		res_free(dev, fh, RESOURCE_VIDEO);
	}
	if (fh->vidq.read_buf) {
		buffer_release(&fh->vidq, fh->vidq.read_buf);
		kfree(fh->vidq.read_buf);
	}

	/* stop vbi capture */
	if (res_check(fh, RESOURCE_VBI)) {
		if (fh->vbiq.streaming)
			videobuf_streamoff(&fh->vbiq);
		if (fh->vbiq.reading)
			videobuf_read_stop(&fh->vbiq);
		res_free(dev, fh, RESOURCE_VBI);
	}

	videobuf_mmap_free(&fh->vidq);
997 998
	videobuf_mmap_free(&fh->vbiq);

999 1000 1001
	file->private_data = NULL;
	kfree(fh);

1002 1003 1004 1005
	/* We are not putting the tuner to sleep here on exit, because
	 * we want to use the mpeg encoder in another session to capture
	 * tuner video. Closing this will result in no video to the encoder.
	 */
1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019

	return 0;
}

static int video_mmap(struct file *file, struct vm_area_struct *vma)
{
	struct cx23885_fh *fh = file->private_data;

	return videobuf_mmap_mapper(get_queue(fh), vma);
}

/* ------------------------------------------------------------------ */
/* VIDEO CTRL IOCTLS                                                  */

1020
int cx23885_get_control(struct cx23885_dev *dev,
1021
	struct v4l2_control *ctl)
1022
{
1023
	dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__);
1024
	call_all(dev, core, g_ctrl, ctl);
1025 1026 1027
	return 0;
}

1028
int cx23885_set_control(struct cx23885_dev *dev,
1029
	struct v4l2_control *ctl)
1030
{
1031 1032 1033
	dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)\n", __func__);
	call_all(dev, core, s_ctrl, ctl);

1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052
	return 0;
}

static void init_controls(struct cx23885_dev *dev)
{
	struct v4l2_control ctrl;
	int i;

	for (i = 0; i < CX23885_CTLS; i++) {
		ctrl.id = cx23885_ctls[i].v.id;
		ctrl.value = cx23885_ctls[i].v.default_value;

		cx23885_set_control(dev, &ctrl);
	}
}

/* ------------------------------------------------------------------ */
/* VIDEO IOCTLS                                                       */

1053
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069
	struct v4l2_format *f)
{
	struct cx23885_fh *fh   = priv;

	f->fmt.pix.width        = fh->width;
	f->fmt.pix.height       = fh->height;
	f->fmt.pix.field        = fh->vidq.field;
	f->fmt.pix.pixelformat  = fh->fmt->fourcc;
	f->fmt.pix.bytesperline =
		(f->fmt.pix.width * fh->fmt->depth) >> 3;
	f->fmt.pix.sizeimage =
		f->fmt.pix.height * f->fmt.pix.bytesperline;

	return 0;
}

1070
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103
	struct v4l2_format *f)
{
	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
	struct cx23885_fmt *fmt;
	enum v4l2_field   field;
	unsigned int      maxw, maxh;

	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
	if (NULL == fmt)
		return -EINVAL;

	field = f->fmt.pix.field;
	maxw  = norm_maxw(dev->tvnorm);
	maxh  = norm_maxh(dev->tvnorm);

	if (V4L2_FIELD_ANY == field) {
		field = (f->fmt.pix.height > maxh/2)
			? V4L2_FIELD_INTERLACED
			: V4L2_FIELD_BOTTOM;
	}

	switch (field) {
	case V4L2_FIELD_TOP:
	case V4L2_FIELD_BOTTOM:
		maxh = maxh / 2;
		break;
	case V4L2_FIELD_INTERLACED:
		break;
	default:
		return -EINVAL;
	}

	f->fmt.pix.field = field;
1104 1105
	v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
			      &f->fmt.pix.height, 32, maxh, 0, 0);
1106 1107 1108 1109 1110 1111 1112 1113
	f->fmt.pix.bytesperline =
		(f->fmt.pix.width * fmt->depth) >> 3;
	f->fmt.pix.sizeimage =
		f->fmt.pix.height * f->fmt.pix.bytesperline;

	return 0;
}

1114
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1115 1116 1117 1118
	struct v4l2_format *f)
{
	struct cx23885_fh *fh = priv;
	struct cx23885_dev *dev  = ((struct cx23885_fh *)priv)->dev;
1119
	struct v4l2_mbus_framefmt mbus_fmt;
1120 1121
	int err;

1122
	dprintk(2, "%s()\n", __func__);
1123
	err = vidioc_try_fmt_vid_cap(file, priv, f);
1124 1125 1126 1127 1128 1129 1130

	if (0 != err)
		return err;
	fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
	fh->width      = f->fmt.pix.width;
	fh->height     = f->fmt.pix.height;
	fh->vidq.field = f->fmt.pix.field;
1131
	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
1132
		fh->width, fh->height, fh->vidq.field);
1133 1134 1135
	v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
	call_all(dev, video, s_mbus_fmt, &mbus_fmt);
	v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157
	return 0;
}

static int vidioc_querycap(struct file *file, void  *priv,
	struct v4l2_capability *cap)
{
	struct cx23885_dev *dev  = ((struct cx23885_fh *)priv)->dev;

	strcpy(cap->driver, "cx23885");
	strlcpy(cap->card, cx23885_boards[dev->board].name,
		sizeof(cap->card));
	sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
	cap->capabilities =
		V4L2_CAP_VIDEO_CAPTURE |
		V4L2_CAP_READWRITE     |
		V4L2_CAP_STREAMING     |
		V4L2_CAP_VBI_CAPTURE;
	if (UNSET != dev->tuner_type)
		cap->capabilities |= V4L2_CAP_TUNER;
	return 0;
}

1158
static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174
	struct v4l2_fmtdesc *f)
{
	if (unlikely(f->index >= ARRAY_SIZE(formats)))
		return -EINVAL;

	strlcpy(f->description, formats[f->index].name,
		sizeof(f->description));
	f->pixelformat = formats[f->index].fourcc;

	return 0;
}

static int vidioc_reqbufs(struct file *file, void *priv,
	struct v4l2_requestbuffers *p)
{
	struct cx23885_fh *fh = priv;
1175
	return videobuf_reqbufs(get_queue(fh), p);
1176 1177 1178 1179 1180 1181
}

static int vidioc_querybuf(struct file *file, void *priv,
	struct v4l2_buffer *p)
{
	struct cx23885_fh *fh = priv;
1182
	return videobuf_querybuf(get_queue(fh), p);
1183 1184 1185 1186 1187 1188
}

static int vidioc_qbuf(struct file *file, void *priv,
	struct v4l2_buffer *p)
{
	struct cx23885_fh *fh = priv;
1189
	return videobuf_qbuf(get_queue(fh), p);
1190 1191 1192 1193 1194 1195
}

static int vidioc_dqbuf(struct file *file, void *priv,
	struct v4l2_buffer *p)
{
	struct cx23885_fh *fh = priv;
1196 1197
	return videobuf_dqbuf(get_queue(fh), p,
				file->f_flags & O_NONBLOCK);
1198 1199 1200 1201 1202 1203 1204
}

static int vidioc_streamon(struct file *file, void *priv,
	enum v4l2_buf_type i)
{
	struct cx23885_fh *fh = priv;
	struct cx23885_dev *dev = fh->dev;
1205
	dprintk(1, "%s()\n", __func__);
1206

1207 1208
	if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
		(fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1209 1210 1211 1212 1213 1214
		return -EINVAL;
	if (unlikely(i != fh->type))
		return -EINVAL;

	if (unlikely(!res_get(dev, fh, get_resource(fh))))
		return -EBUSY;
1215 1216 1217 1218 1219 1220 1221 1222

	/* Don't start VBI streaming unless vida streaming
	 * has already started.
	 */
	if ((fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) &&
		((cx_read(VID_A_DMA_CTL) & 0x11) == 0))
		return -EINVAL;

1223 1224 1225 1226 1227 1228 1229 1230
	return videobuf_streamon(get_queue(fh));
}

static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
	struct cx23885_fh *fh = priv;
	struct cx23885_dev *dev = fh->dev;
	int err, res;
1231
	dprintk(1, "%s()\n", __func__);
1232

1233 1234
	if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
		(fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246
		return -EINVAL;
	if (i != fh->type)
		return -EINVAL;

	res = get_resource(fh);
	err = videobuf_streamoff(get_queue(fh));
	if (err < 0)
		return err;
	res_free(dev, fh, res);
	return 0;
}

1247 1248 1249 1250 1251 1252 1253 1254 1255 1256
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
{
	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
	dprintk(1, "%s()\n", __func__);

	call_all(dev, core, g_std, id);

	return 0;
}

1257 1258 1259
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms)
{
	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1260
	dprintk(1, "%s()\n", __func__);
1261 1262 1263 1264 1265 1266 1267 1268

	mutex_lock(&dev->lock);
	cx23885_set_tvnorm(dev, *tvnorms);
	mutex_unlock(&dev->lock);

	return 0;
}

1269
int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
1270 1271 1272 1273 1274 1275 1276
{
	static const char *iname[] = {
		[CX23885_VMUX_COMPOSITE1] = "Composite1",
		[CX23885_VMUX_COMPOSITE2] = "Composite2",
		[CX23885_VMUX_COMPOSITE3] = "Composite3",
		[CX23885_VMUX_COMPOSITE4] = "Composite4",
		[CX23885_VMUX_SVIDEO]     = "S-Video",
1277
		[CX23885_VMUX_COMPONENT]  = "Component",
1278 1279 1280 1281 1282 1283
		[CX23885_VMUX_TELEVISION] = "Television",
		[CX23885_VMUX_CABLE]      = "Cable TV",
		[CX23885_VMUX_DVB]        = "DVB",
		[CX23885_VMUX_DEBUG]      = "for debug only",
	};
	unsigned int n;
1284
	dprintk(1, "%s()\n", __func__);
1285 1286

	n = i->index;
1287
	if (n >= MAX_CX23885_INPUT)
1288 1289 1290 1291 1292 1293 1294 1295 1296
		return -EINVAL;

	if (0 == INPUT(n)->type)
		return -EINVAL;

	i->index = n;
	i->type  = V4L2_INPUT_TYPE_CAMERA;
	strcpy(i->name, iname[INPUT(n)->type]);
	if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
1297
		(CX23885_VMUX_CABLE == INPUT(n)->type)) {
1298 1299
		i->type = V4L2_INPUT_TYPE_TUNER;
		i->std = CX23885_NORMS;
1300
	}
1301 1302 1303 1304 1305

	/* Two selectable audio inputs for non-tv inputs */
	if (INPUT(n)->type != CX23885_VMUX_TELEVISION)
		i->audioset = 0x3;

1306 1307 1308 1309 1310 1311 1312
	return 0;
}

static int vidioc_enum_input(struct file *file, void *priv,
				struct v4l2_input *i)
{
	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1313
	dprintk(1, "%s()\n", __func__);
1314 1315 1316
	return cx23885_enum_input(dev, i);
}

1317
int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
1318 1319 1320 1321
{
	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;

	*i = dev->input;
1322
	dprintk(1, "%s() returns %d\n", __func__, *i);
1323 1324 1325
	return 0;
}

1326 1327 1328 1329 1330 1331
static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
{
	return cx23885_get_input(file, priv, i);
}

int cx23885_set_input(struct file *file, void *priv, unsigned int i)
1332 1333 1334
{
	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;

1335
	dprintk(1, "%s(%d)\n", __func__, i);
1336

1337
	if (i >= MAX_CX23885_INPUT) {
1338
		dprintk(1, "%s() -EINVAL\n", __func__);
1339 1340 1341
		return -EINVAL;
	}

1342 1343 1344
	if (INPUT(i)->type == 0)
		return -EINVAL;

1345 1346
	mutex_lock(&dev->lock);
	cx23885_video_mux(dev, i);
1347 1348 1349 1350

	/* By default establish the default audio input for the card also */
	/* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
	cx23885_audio_mux(dev, i);
1351 1352 1353 1354
	mutex_unlock(&dev->lock);
	return 0;
}

1355 1356 1357 1358 1359
static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
{
	return cx23885_set_input(file, priv, i);
}

1360 1361 1362 1363 1364 1365 1366
static int vidioc_log_status(struct file *file, void *priv)
{
	struct cx23885_fh  *fh  = priv;
	struct cx23885_dev *dev = fh->dev;

	printk(KERN_INFO
		"%s/0: ============  START LOG STATUS  ============\n",
1367
		dev->name);
1368 1369 1370
	call_all(dev, core, log_status);
	printk(KERN_INFO
		"%s/0: =============  END LOG STATUS  =============\n",
1371
		dev->name);
1372 1373 1374
	return 0;
}

1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425
static int cx23885_query_audinput(struct file *file, void *priv,
	struct v4l2_audio *i)
{
	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
	static const char *iname[] = {
		[0] = "Baseband L/R 1",
		[1] = "Baseband L/R 2",
	};
	unsigned int n;
	dprintk(1, "%s()\n", __func__);

	n = i->index;
	if (n >= 2)
		return -EINVAL;

	memset(i, 0, sizeof(*i));
	i->index = n;
	strcpy(i->name, iname[n]);
	i->capability  = V4L2_AUDCAP_STEREO;
	i->mode  = V4L2_AUDMODE_AVL;
	return 0;

}

static int vidioc_enum_audinput(struct file *file, void *priv,
				struct v4l2_audio *i)
{
	return cx23885_query_audinput(file, priv, i);
}

static int vidioc_g_audinput(struct file *file, void *priv,
	struct v4l2_audio *i)
{
	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;

	i->index = dev->audinput;
	dprintk(1, "%s(input=%d)\n", __func__, i->index);

	return cx23885_query_audinput(file, priv, i);
}

static int vidioc_s_audinput(struct file *file, void *priv,
	struct v4l2_audio *i)
{
	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
	if (i->index >= 2)
		return -EINVAL;

	dprintk(1, "%s(%d)\n", __func__, i->index);

	dev->audinput = i->index;
1426 1427 1428 1429

	/* Skip the audio defaults from the cards struct, caller wants
	 * directly touch the audio mux hardware. */
	cx23885_flatiron_mux(dev, dev->audinput + 1);
1430 1431 1432
	return 0;
}

1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468
static int vidioc_queryctrl(struct file *file, void *priv,
				struct v4l2_queryctrl *qctrl)
{
	qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
	if (unlikely(qctrl->id == 0))
		return -EINVAL;
	return cx23885_ctrl_query(qctrl);
}

static int vidioc_g_ctrl(struct file *file, void *priv,
				struct v4l2_control *ctl)
{
	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;

	return cx23885_get_control(dev, ctl);
}

static int vidioc_s_ctrl(struct file *file, void *priv,
				struct v4l2_control *ctl)
{
	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;

	return cx23885_set_control(dev, ctl);
}

static int vidioc_g_tuner(struct file *file, void *priv,
				struct v4l2_tuner *t)
{
	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;

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

	strcpy(t->name, "Television");
1469

1470
	call_all(dev, tuner, g_tuner, t);
1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482
	return 0;
}

static int vidioc_s_tuner(struct file *file, void *priv,
				struct v4l2_tuner *t)
{
	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;

	if (UNSET == dev->tuner_type)
		return -EINVAL;
	if (0 != t->index)
		return -EINVAL;
1483
	/* Update the A/V core */
1484
	call_all(dev, tuner, s_tuner, t);
1485

1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501
	return 0;
}

static int vidioc_g_frequency(struct file *file, void *priv,
				struct v4l2_frequency *f)
{
	struct cx23885_fh *fh = priv;
	struct cx23885_dev *dev = fh->dev;

	if (unlikely(UNSET == dev->tuner_type))
		return -EINVAL;

	/* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
	f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
	f->frequency = dev->freq;

1502
	call_all(dev, tuner, g_frequency, f);
1503 1504 1505 1506

	return 0;
}

1507
static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
1508
{
1509 1510
	struct v4l2_control ctrl;

1511 1512 1513 1514 1515 1516 1517 1518
	if (unlikely(UNSET == dev->tuner_type))
		return -EINVAL;
	if (unlikely(f->tuner != 0))
		return -EINVAL;

	mutex_lock(&dev->lock);
	dev->freq = f->frequency;

1519 1520 1521 1522 1523
	/* I need to mute audio here */
	ctrl.id = V4L2_CID_AUDIO_MUTE;
	ctrl.value = 1;
	cx23885_set_control(dev, &ctrl);

1524
	call_all(dev, tuner, s_frequency, f);
1525 1526

	/* When changing channels it is required to reset TVAUDIO */
1527 1528 1529 1530 1531
	msleep(100);

	/* I need to unmute audio here */
	ctrl.value = 0;
	cx23885_set_control(dev, &ctrl);
1532 1533 1534 1535 1536 1537

	mutex_unlock(&dev->lock);

	return 0;
}

1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594
static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
	struct v4l2_frequency *f)
{
	struct v4l2_control ctrl;
	struct videobuf_dvb_frontend *vfe;
	struct dvb_frontend *fe;
	int err = 0;

	struct analog_parameters params = {
		.mode      = V4L2_TUNER_ANALOG_TV,
		.audmode   = V4L2_TUNER_MODE_STEREO,
		.std       = dev->tvnorm,
		.frequency = f->frequency
	};

	mutex_lock(&dev->lock);
	dev->freq = f->frequency;

	/* I need to mute audio here */
	ctrl.id = V4L2_CID_AUDIO_MUTE;
	ctrl.value = 1;
	cx23885_set_control(dev, &ctrl);

	/* If HVR1850 */
	dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
		params.frequency, f->tuner, params.std);

	vfe = videobuf_dvb_get_frontend(&dev->ts2.frontends, 1);
	if (!vfe)
		err = -EINVAL;

	fe = vfe->dvb.frontend;

	if (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850)
		fe = &dev->ts1.analog_fe;

	if (fe && fe->ops.tuner_ops.set_analog_params) {
		call_all(dev, core, s_std, dev->tvnorm);
		fe->ops.tuner_ops.set_analog_params(fe, &params);
	}
	else
		printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);

	/* When changing channels it is required to reset TVAUDIO */
	msleep(100);

	/* I need to unmute audio here */
	ctrl.value = 0;
	cx23885_set_control(dev, &ctrl);

	mutex_unlock(&dev->lock);

	return 0;
}

int cx23885_set_frequency(struct file *file, void *priv,
	struct v4l2_frequency *f)
1595 1596 1597
{
	struct cx23885_fh *fh = priv;
	struct cx23885_dev *dev = fh->dev;
1598
	int ret;
1599

1600 1601 1602 1603 1604 1605 1606
	switch (dev->board) {
	case CX23885_BOARD_HAUPPAUGE_HVR1850:
		ret = cx23885_set_freq_via_ops(dev, f);
		break;
	default:
		ret = cx23885_set_freq(dev, f);
	}
1607

1608 1609 1610 1611 1612 1613 1614
	return ret;
}

static int vidioc_s_frequency(struct file *file, void *priv,
	struct v4l2_frequency *f)
{
	return cx23885_set_frequency(file, priv, f);
1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632
}

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

static void cx23885_vid_timeout(unsigned long data)
{
	struct cx23885_dev *dev = (struct cx23885_dev *)data;
	struct cx23885_dmaqueue *q = &dev->vidq;
	struct cx23885_buffer *buf;
	unsigned long flags;

	spin_lock_irqsave(&dev->slock, flags);
	while (!list_empty(&q->active)) {
		buf = list_entry(q->active.next,
			struct cx23885_buffer, vb.queue);
		list_del(&buf->vb.queue);
		buf->vb.state = VIDEOBUF_ERROR;
		wake_up(&buf->vb.done);
1633
		printk(KERN_ERR "%s: [%p/%d] timeout - dma=0x%08lx\n",
1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648
			dev->name, buf, buf->vb.i,
			(unsigned long)buf->risc.dma);
	}
	cx23885_restart_video_queue(dev, q);
	spin_unlock_irqrestore(&dev->slock, flags);
}

int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
{
	u32 mask, count;
	int handled = 0;

	mask   = cx_read(VID_A_INT_MSK);
	if (0 == (status & mask))
		return handled;
1649

1650 1651
	cx_write(VID_A_INT_STAT, status);

1652
	/* risc op code error, fifo overflow or line sync detection error */
1653 1654 1655 1656
	if ((status & VID_BC_MSK_OPC_ERR) ||
		(status & VID_BC_MSK_SYNC) ||
		(status & VID_BC_MSK_OF)) {

1657
		if (status & VID_BC_MSK_OPC_ERR) {
1658 1659
			dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
				VID_BC_MSK_OPC_ERR);
1660 1661 1662 1663 1664
			printk(KERN_WARNING "%s: video risc op code error\n",
				dev->name);
			cx23885_sram_channel_dump(dev,
				&dev->sram_channels[SRAM_CH01]);
		}
1665 1666

		if (status & VID_BC_MSK_SYNC)
1667 1668
			dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
				"video lines miss-match\n",
1669 1670 1671
				VID_BC_MSK_SYNC);

		if (status & VID_BC_MSK_OF)
1672
			dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1673 1674
				VID_BC_MSK_OF);

1675 1676
	}

1677 1678
	/* Video */
	if (status & VID_BC_MSK_RISCI1) {
1679 1680 1681 1682 1683 1684
		spin_lock(&dev->slock);
		count = cx_read(VID_A_GPCNT);
		cx23885_video_wakeup(dev, &dev->vidq, count);
		spin_unlock(&dev->slock);
		handled++;
	}
1685
	if (status & VID_BC_MSK_RISCI2) {
1686 1687 1688 1689 1690 1691 1692
		dprintk(2, "stopper video\n");
		spin_lock(&dev->slock);
		cx23885_restart_video_queue(dev, &dev->vidq);
		spin_unlock(&dev->slock);
		handled++;
	}

1693 1694 1695
	/* Allow the VBI framework to process it's payload */
	handled += cx23885_vbi_irq(dev, status);

1696 1697 1698 1699 1700 1701
	return handled;
}

/* ----------------------------------------------------------- */
/* exported stuff                                              */

1702
static const struct v4l2_file_operations video_fops = {
1703 1704 1705 1706 1707 1708 1709 1710 1711
	.owner	       = THIS_MODULE,
	.open	       = video_open,
	.release       = video_release,
	.read	       = video_read,
	.poll          = video_poll,
	.mmap	       = video_mmap,
	.ioctl	       = video_ioctl2,
};

1712
static const struct v4l2_ioctl_ops video_ioctl_ops = {
1713
	.vidioc_querycap      = vidioc_querycap,
1714 1715 1716 1717 1718 1719 1720
	.vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
	.vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
	.vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
	.vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
	.vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
	.vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
	.vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1721 1722 1723 1724 1725
	.vidioc_reqbufs       = vidioc_reqbufs,
	.vidioc_querybuf      = vidioc_querybuf,
	.vidioc_qbuf          = vidioc_qbuf,
	.vidioc_dqbuf         = vidioc_dqbuf,
	.vidioc_s_std         = vidioc_s_std,
1726 1727
	.vidioc_g_std         = vidioc_g_std,
	.vidioc_querystd      = vidioc_g_std,
1728 1729 1730
	.vidioc_enum_input    = vidioc_enum_input,
	.vidioc_g_input       = vidioc_g_input,
	.vidioc_s_input       = vidioc_s_input,
1731
	.vidioc_log_status    = vidioc_log_status,
1732 1733 1734 1735 1736 1737 1738 1739 1740
	.vidioc_queryctrl     = vidioc_queryctrl,
	.vidioc_g_ctrl        = vidioc_g_ctrl,
	.vidioc_s_ctrl        = vidioc_s_ctrl,
	.vidioc_streamon      = vidioc_streamon,
	.vidioc_streamoff     = vidioc_streamoff,
	.vidioc_g_tuner       = vidioc_g_tuner,
	.vidioc_s_tuner       = vidioc_s_tuner,
	.vidioc_g_frequency   = vidioc_g_frequency,
	.vidioc_s_frequency   = vidioc_s_frequency,
1741
	.vidioc_g_chip_ident  = cx23885_g_chip_ident,
1742
#ifdef CONFIG_VIDEO_ADV_DEBUG
1743 1744
	.vidioc_g_register    = cx23885_g_register,
	.vidioc_s_register    = cx23885_s_register,
1745
#endif
1746 1747 1748
	.vidioc_enumaudio     = vidioc_enum_audinput,
	.vidioc_g_audio       = vidioc_g_audinput,
	.vidioc_s_audio       = vidioc_s_audinput,
1749 1750 1751 1752 1753 1754 1755
};

static struct video_device cx23885_vbi_template;
static struct video_device cx23885_video_template = {
	.name                 = "cx23885-video",
	.fops                 = &video_fops,
	.ioctl_ops 	      = &video_ioctl_ops,
1756 1757 1758 1759
	.tvnorms              = CX23885_NORMS,
	.current_norm         = V4L2_STD_NTSC_M,
};

1760
static const struct v4l2_file_operations radio_fops = {
1761 1762 1763 1764 1765 1766 1767 1768 1769
	.owner         = THIS_MODULE,
	.open          = video_open,
	.release       = video_release,
	.ioctl         = video_ioctl2,
};


void cx23885_video_unregister(struct cx23885_dev *dev)
{
1770
	dprintk(1, "%s()\n", __func__);
1771
	cx23885_irq_remove(dev, 0x01);
1772

1773 1774 1775 1776 1777 1778 1779 1780
	if (dev->vbi_dev) {
		if (video_is_registered(dev->vbi_dev))
			video_unregister_device(dev->vbi_dev);
		else
			video_device_release(dev->vbi_dev);
		dev->vbi_dev = NULL;
		btcx_riscmem_free(dev->pci, &dev->vbiq.stopper);
	}
1781
	if (dev->video_dev) {
1782
		if (video_is_registered(dev->video_dev))
1783 1784 1785 1786 1787 1788 1789
			video_unregister_device(dev->video_dev);
		else
			video_device_release(dev->video_dev);
		dev->video_dev = NULL;

		btcx_riscmem_free(dev->pci, &dev->vidq.stopper);
	}
1790 1791

	if (dev->audio_dev)
1792
		cx23885_audio_unregister(dev);
1793 1794 1795 1796 1797 1798
}

int cx23885_video_register(struct cx23885_dev *dev)
{
	int err;

1799
	dprintk(1, "%s()\n", __func__);
1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817
	spin_lock_init(&dev->slock);

	/* Initialize VBI template */
	memcpy(&cx23885_vbi_template, &cx23885_video_template,
		sizeof(cx23885_vbi_template));
	strcpy(cx23885_vbi_template.name, "cx23885-vbi");

	dev->tvnorm = cx23885_video_template.current_norm;

	/* init video dma queues */
	INIT_LIST_HEAD(&dev->vidq.active);
	INIT_LIST_HEAD(&dev->vidq.queued);
	dev->vidq.timeout.function = cx23885_vid_timeout;
	dev->vidq.timeout.data = (unsigned long)dev;
	init_timer(&dev->vidq.timeout);
	cx23885_risc_stopper(dev->pci, &dev->vidq.stopper,
		VID_A_DMA_CTL, 0x11, 0x00);

1818 1819 1820 1821 1822 1823 1824 1825
	/* init vbi dma queues */
	INIT_LIST_HEAD(&dev->vbiq.active);
	INIT_LIST_HEAD(&dev->vbiq.queued);
	dev->vbiq.timeout.function = cx23885_vbi_timeout;
	dev->vbiq.timeout.data = (unsigned long)dev;
	init_timer(&dev->vbiq.timeout);
	cx23885_risc_stopper(dev->pci, &dev->vbiq.stopper,
		VID_A_DMA_CTL, 0x22, 0x00);
1826 1827

	cx23885_irq_add_enable(dev, 0x01);
1828

1829 1830
	if ((TUNER_ABSENT != dev->tuner_type) &&
			((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1831 1832 1833
		struct v4l2_subdev *sd = NULL;

		if (dev->tuner_addr)
1834
			sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1835
				&dev->i2c_bus[dev->tuner_bus].i2c_adap,
1836
				"tuner", dev->tuner_addr, NULL);
1837
		else
1838
			sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1839
				&dev->i2c_bus[dev->tuner_bus].i2c_adap,
1840
				"tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1841 1842 1843
		if (sd) {
			struct tuner_setup tun_setup;

1844
			memset(&tun_setup, 0, sizeof(tun_setup));
1845 1846 1847
			tun_setup.mode_mask = T_ANALOG_TV;
			tun_setup.type = dev->tuner_type;
			tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1848
			tun_setup.tuner_callback = cx23885_tuner_callback;
1849 1850

			v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862

			if (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) {
				struct xc2028_ctrl ctrl = {
					.fname = XC2028_DEFAULT_FIRMWARE,
					.max_len = 64
				};
				struct v4l2_priv_tun_config cfg = {
					.tuner = dev->tuner_type,
					.priv = &ctrl
				};
				v4l2_subdev_call(sd, tuner, s_config, &cfg);
			}
1863 1864 1865
		}
	}

1866
	/* register Video device */
1867 1868 1869 1870 1871 1872 1873 1874 1875
	dev->video_dev = cx23885_vdev_init(dev, dev->pci,
		&cx23885_video_template, "video");
	err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
				    video_nr[dev->nr]);
	if (err < 0) {
		printk(KERN_INFO "%s: can't register video device\n",
			dev->name);
		goto fail_unreg;
	}
1876
	printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1877
	       dev->name, video_device_node_name(dev->video_dev));
1878

1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891
	/* register VBI device */
	dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
		&cx23885_vbi_template, "vbi");
	err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
				    vbi_nr[dev->nr]);
	if (err < 0) {
		printk(KERN_INFO "%s: can't register vbi device\n",
			dev->name);
		goto fail_unreg;
	}
	printk(KERN_INFO "%s: registered device %s\n",
	       dev->name, video_device_node_name(dev->vbi_dev));

1892
	/* Register ALSA audio device */
1893
	dev->audio_dev = cx23885_audio_register(dev);
1894

1895 1896 1897 1898 1899
	/* initial device configuration */
	mutex_lock(&dev->lock);
	cx23885_set_tvnorm(dev, dev->tvnorm);
	init_controls(dev);
	cx23885_video_mux(dev, 0);
1900
	cx23885_audio_mux(dev, 0);
1901 1902 1903 1904 1905 1906 1907 1908 1909
	mutex_unlock(&dev->lock);

	return 0;

fail_unreg:
	cx23885_video_unregister(dev);
	return err;
}