summaryrefslogtreecommitdiff
path: root/drivers/media/pci/cx25821/cx25821-video.h
blob: 11ba5eb93677a87bce50b2c3103a9814c0026076 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
/*
 *  Driver for the Conexant CX25821 PCIe bridge
 *
 *  Copyright (C) 2009 Conexant Systems Inc.
 *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
 *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
 *
 *  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.
 */

#ifndef CX25821_VIDEO_H_
#define CX25821_VIDEO_H_

#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 "cx25821.h"
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>

#define TUNER_FLAG

#define VIDEO_DEBUG 0

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

/* For IOCTL to identify running upstream */
#define UPSTREAM_START_VIDEO        700
#define UPSTREAM_STOP_VIDEO         701
#define UPSTREAM_START_AUDIO        702
#define UPSTREAM_STOP_AUDIO         703
#define UPSTREAM_DUMP_REGISTERS     702
#define SET_VIDEO_STD               800
#define SET_PIXEL_FORMAT            1000
#define ENABLE_CIF_RESOLUTION       1001

#define REG_READ		    900
#define REG_WRITE		    901
#define MEDUSA_READ		    910
#define MEDUSA_WRITE		    911

extern struct sram_channel *channel0;
extern struct sram_channel *channel1;
extern struct sram_channel *channel2;
extern struct sram_channel *channel3;
extern struct sram_channel *channel4;
extern struct sram_channel *channel5;
extern struct sram_channel *channel6;
extern struct sram_channel *channel7;
extern struct sram_channel *channel9;
extern struct sram_channel *channel10;
extern struct sram_channel *channel11;
extern struct video_device cx25821_videoioctl_template;
/* extern const u32 *ctrl_classes[]; */

extern unsigned int vid_limit;

#define FORMAT_FLAGS_PACKED       0x01
extern struct cx25821_fmt formats[];
extern struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc);
extern struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];

extern void cx25821_video_wakeup(struct cx25821_dev *dev,
				 struct cx25821_dmaqueue *q, u32 count);

#ifdef TUNER_FLAG
extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm);
#endif

extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
			   unsigned int bit);
extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit);
extern int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit);
extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
			     unsigned int bits);
extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input);
extern int cx25821_start_video_dma(struct cx25821_dev *dev,
				   struct cx25821_dmaqueue *q,
				   struct cx25821_buffer *buf,
				   struct sram_channel *channel);

extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width,
			     unsigned int height, enum v4l2_field field);
extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
extern int cx25821_video_register(struct cx25821_dev *dev);
extern int cx25821_get_format_size(void);

extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
				unsigned int *size);
extern int cx25821_buffer_prepare(struct videobuf_queue *q,
				  struct videobuf_buffer *vb,
				  enum v4l2_field field);
extern void cx25821_buffer_release(struct videobuf_queue *q,
				   struct videobuf_buffer *vb);
extern struct videobuf_queue *get_queue(struct cx25821_fh *fh);
extern int cx25821_get_resource(struct cx25821_fh *fh, int resource);
extern int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma);
extern int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv,
					  struct v4l2_format *f);
extern int cx25821_vidioc_querycap(struct file *file, void *priv,
				   struct v4l2_capability *cap);
extern int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
					   struct v4l2_fmtdesc *f);
extern int cx25821_vidioc_reqbufs(struct file *file, void *priv,
				  struct v4l2_requestbuffers *p);
extern int cx25821_vidioc_querybuf(struct file *file, void *priv,
				   struct v4l2_buffer *p);
extern int cx25821_vidioc_qbuf(struct file *file, void *priv,
			       struct v4l2_buffer *p);
extern int cx25821_vidioc_s_std(struct file *file, void *priv,
				v4l2_std_id tvnorms);
extern int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i);
extern int cx25821_vidioc_enum_input(struct file *file, void *priv,
				     struct v4l2_input *i);
extern int cx25821_vidioc_g_input(struct file *file, void *priv,
				  unsigned int *i);
extern int cx25821_vidioc_s_input(struct file *file, void *priv,
				  unsigned int i);
extern int cx25821_vidioc_g_ctrl(struct file *file, void *priv,
				 struct v4l2_control *ctl);
extern int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv,
					struct v4l2_format *f);
extern int cx25821_vidioc_g_frequency(struct file *file, void *priv,
				      struct v4l2_frequency *f);
extern int cx25821_set_freq(struct cx25821_dev *dev, const struct v4l2_frequency *f);
extern int cx25821_vidioc_s_frequency(struct file *file, void *priv,
				      const struct v4l2_frequency *f);
extern int cx25821_vidioc_g_register(struct file *file, void *fh,
				     struct v4l2_dbg_register *reg);
extern int cx25821_vidioc_s_register(struct file *file, void *fh,
				     const struct v4l2_dbg_register *reg);
extern int cx25821_vidioc_g_tuner(struct file *file, void *priv,
				  struct v4l2_tuner *t);
extern int cx25821_vidioc_s_tuner(struct file *file, void *priv,
				  const struct v4l2_tuner *t);

extern int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm);
extern int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm);

extern int cx25821_vidioc_g_priority(struct file *file, void *f,
				     enum v4l2_priority *p);
extern int cx25821_vidioc_s_priority(struct file *file, void *f,
				     enum v4l2_priority prio);

extern int cx25821_vidioc_queryctrl(struct file *file, void *priv,
				    struct v4l2_queryctrl *qctrl);
extern int cx25821_set_control(struct cx25821_dev *dev,
			       struct v4l2_control *ctrl, int chan_num);

extern int cx25821_vidioc_cropcap(struct file *file, void *fh,
				  struct v4l2_cropcap *cropcap);
extern int cx25821_vidioc_s_crop(struct file *file, void *priv,
				 const struct v4l2_crop *crop);
extern int cx25821_vidioc_g_crop(struct file *file, void *priv,
				 struct v4l2_crop *crop);

extern int cx25821_vidioc_querystd(struct file *file, void *priv,
				   v4l2_std_id *norm);
#endif