Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6-block.git] / drivers / staging / cx25821 / cx25821-video.h
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1/*
2 * Driver for the Conexant CX25821 PCIe bridge
3 *
bb4c9a74 4 * Copyright (C) 2009 Conexant Systems Inc.
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5 * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
6 * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 *
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23
24#ifndef CX25821_VIDEO_H_
25#define CX25821_VIDEO_H_
26
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27#include <linux/init.h>
28#include <linux/list.h>
29#include <linux/module.h>
30#include <linux/moduleparam.h>
31#include <linux/kmod.h>
32#include <linux/kernel.h>
33#include <linux/slab.h>
34#include <linux/interrupt.h>
35#include <linux/delay.h>
36#include <linux/kthread.h>
37#include <asm/div64.h>
38
39#include "cx25821.h"
40#include <media/v4l2-common.h>
41#include <media/v4l2-ioctl.h>
42
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43#define TUNER_FLAG
44
45#define VIDEO_DEBUG 0
46
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47#define dprintk(level, fmt, arg...) \
48do { \
49 if (VIDEO_DEBUG >= level) \
50 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg); \
51} while (0)
02b20b0b 52
1852a1bf 53/* For IOCTL to identify running upstream */
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54#define UPSTREAM_START_VIDEO 700
55#define UPSTREAM_STOP_VIDEO 701
56#define UPSTREAM_START_AUDIO 702
57#define UPSTREAM_STOP_AUDIO 703
58#define UPSTREAM_DUMP_REGISTERS 702
59#define SET_VIDEO_STD 800
60#define SET_PIXEL_FORMAT 1000
61#define ENABLE_CIF_RESOLUTION 1001
62
63#define REG_READ 900
64#define REG_WRITE 901
65#define MEDUSA_READ 910
66#define MEDUSA_WRITE 911
67
68extern struct sram_channel *channel0;
69extern struct sram_channel *channel1;
70extern struct sram_channel *channel2;
71extern struct sram_channel *channel3;
72extern struct sram_channel *channel4;
73extern struct sram_channel *channel5;
74extern struct sram_channel *channel6;
75extern struct sram_channel *channel7;
76extern struct sram_channel *channel9;
77extern struct sram_channel *channel10;
78extern struct sram_channel *channel11;
02b20b0b 79extern struct video_device cx25821_videoioctl_template;
1852a1bf 80/* extern const u32 *ctrl_classes[]; */
02b20b0b 81
1a9fc855 82extern unsigned int vid_limit;
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83
84#define FORMAT_FLAGS_PACKED 0x01
85extern struct cx25821_fmt formats[];
a757ee22 86extern struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc);
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87extern struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];
88
f2466d63 89extern void cx25821_dump_video_queue(struct cx25821_dev *dev,
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90 struct cx25821_dmaqueue *q);
91extern void cx25821_video_wakeup(struct cx25821_dev *dev,
92 struct cx25821_dmaqueue *q, u32 count);
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93
94#ifdef TUNER_FLAG
95extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm);
96#endif
97
f2466d63 98extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
1a9fc855 99 unsigned int bit);
f2466d63 100extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit);
6d8c2ba1 101extern int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit);
f2466d63 102extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
1a9fc855 103 unsigned int bits);
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104extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input);
105extern int cx25821_start_video_dma(struct cx25821_dev *dev,
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106 struct cx25821_dmaqueue *q,
107 struct cx25821_buffer *buf,
108 struct sram_channel *channel);
02b20b0b 109
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110extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width,
111 unsigned int height, enum v4l2_field field);
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112extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
113extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
6d8c2ba1 114extern int cx25821_video_register(struct cx25821_dev *dev);
f2466d63 115extern int cx25821_get_format_size(void);
02b20b0b 116
f2466d63 117extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
1a9fc855 118 unsigned int *size);
f2466d63 119extern int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
1a9fc855 120 enum v4l2_field field);
f2466d63 121extern void cx25821_buffer_release(struct videobuf_queue *q,
1a9fc855 122 struct videobuf_buffer *vb);
02b20b0b 123extern struct videobuf_queue *get_queue(struct cx25821_fh *fh);
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124extern int cx25821_get_resource(struct cx25821_fh *fh, int resource);
125extern int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma);
126extern int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1a9fc855 127 struct v4l2_format *f);
f2466d63 128extern int cx25821_vidioc_querycap(struct file *file, void *priv,
1a9fc855 129 struct v4l2_capability *cap);
f2466d63 130extern int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1a9fc855 131 struct v4l2_fmtdesc *f);
f2466d63 132extern int cx25821_vidioc_reqbufs(struct file *file, void *priv,
1a9fc855 133 struct v4l2_requestbuffers *p);
f2466d63 134extern int cx25821_vidioc_querybuf(struct file *file, void *priv,
1a9fc855 135 struct v4l2_buffer *p);
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136extern int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p);
137extern int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms);
02b20b0b 138extern int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i);
f2466d63 139extern int cx25821_vidioc_enum_input(struct file *file, void *priv,
1a9fc855 140 struct v4l2_input *i);
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141extern int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i);
142extern int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i);
143extern int cx25821_vidioc_g_ctrl(struct file *file, void *priv,
1a9fc855 144 struct v4l2_control *ctl);
f2466d63 145extern int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1a9fc855 146 struct v4l2_format *f);
f2466d63 147extern int cx25821_vidioc_g_frequency(struct file *file, void *priv,
1a9fc855 148 struct v4l2_frequency *f);
02b20b0b 149extern int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f);
f2466d63 150extern int cx25821_vidioc_s_frequency(struct file *file, void *priv,
1a9fc855 151 struct v4l2_frequency *f);
f2466d63 152extern int cx25821_vidioc_g_register(struct file *file, void *fh,
1a9fc855 153 struct v4l2_dbg_register *reg);
f2466d63 154extern int cx25821_vidioc_s_register(struct file *file, void *fh,
1a9fc855 155 struct v4l2_dbg_register *reg);
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156extern int cx25821_vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t);
157extern int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t);
02b20b0b 158
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159extern int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm);
160extern int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm);
02b20b0b 161
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162extern int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p);
163extern int cx25821_vidioc_s_priority(struct file *file, void *f,
1a9fc855 164 enum v4l2_priority prio);
02b20b0b 165
f2466d63 166extern int cx25821_vidioc_queryctrl(struct file *file, void *priv,
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167 struct v4l2_queryctrl *qctrl);
168extern int cx25821_set_control(struct cx25821_dev *dev,
169 struct v4l2_control *ctrl, int chan_num);
02b20b0b 170
f2466d63 171extern int cx25821_vidioc_cropcap(struct file *file, void *fh,
1a9fc855 172 struct v4l2_cropcap *cropcap);
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173extern int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop);
174extern int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop);
02b20b0b 175
f2466d63 176extern int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm);
02b20b0b 177#endif