1/*
2 *  Driver for the Conexant CX25821 PCIe bridge
3 *
4 *  Copyright (C) 2009 Conexant Systems Inc.
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
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
43#define TUNER_FLAG
44
45#define VIDEO_DEBUG 0
46
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)
52
53/* For IOCTL to identify running upstream */
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;
79extern struct video_device cx25821_videoioctl_template;
80/* extern const u32 *ctrl_classes[]; */
81
82extern unsigned int vid_limit;
83
84#define FORMAT_FLAGS_PACKED       0x01
85extern struct cx25821_fmt formats[];
86extern struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc);
87extern struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];
88
89extern void cx25821_dump_video_queue(struct cx25821_dev *dev,
90				     struct cx25821_dmaqueue *q);
91extern void cx25821_video_wakeup(struct cx25821_dev *dev,
92				 struct cx25821_dmaqueue *q, u32 count);
93
94#ifdef TUNER_FLAG
95extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm);
96#endif
97
98extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
99			   unsigned int bit);
100extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit);
101extern int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit);
102extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
103			     unsigned int bits);
104extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input);
105extern int cx25821_start_video_dma(struct cx25821_dev *dev,
106				   struct cx25821_dmaqueue *q,
107				   struct cx25821_buffer *buf,
108				   struct sram_channel *channel);
109
110extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width,
111			     unsigned int height, enum v4l2_field field);
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);
114extern int cx25821_video_register(struct cx25821_dev *dev);
115extern int cx25821_get_format_size(void);
116
117extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
118				unsigned int *size);
119extern int cx25821_buffer_prepare(struct videobuf_queue *q,
120				  struct videobuf_buffer *vb,
121				  enum v4l2_field field);
122extern void cx25821_buffer_release(struct videobuf_queue *q,
123				   struct videobuf_buffer *vb);
124extern struct videobuf_queue *get_queue(struct cx25821_fh *fh);
125extern int cx25821_get_resource(struct cx25821_fh *fh, int resource);
126extern int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma);
127extern int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv,
128					  struct v4l2_format *f);
129extern int cx25821_vidioc_querycap(struct file *file, void *priv,
130				   struct v4l2_capability *cap);
131extern int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
132					   struct v4l2_fmtdesc *f);
133extern int cx25821_vidioc_reqbufs(struct file *file, void *priv,
134				  struct v4l2_requestbuffers *p);
135extern int cx25821_vidioc_querybuf(struct file *file, void *priv,
136				   struct v4l2_buffer *p);
137extern int cx25821_vidioc_qbuf(struct file *file, void *priv,
138			       struct v4l2_buffer *p);
139extern int cx25821_vidioc_s_std(struct file *file, void *priv,
140				v4l2_std_id *tvnorms);
141extern int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i);
142extern int cx25821_vidioc_enum_input(struct file *file, void *priv,
143				     struct v4l2_input *i);
144extern int cx25821_vidioc_g_input(struct file *file, void *priv,
145				  unsigned int *i);
146extern int cx25821_vidioc_s_input(struct file *file, void *priv,
147				  unsigned int i);
148extern int cx25821_vidioc_g_ctrl(struct file *file, void *priv,
149				 struct v4l2_control *ctl);
150extern int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv,
151					struct v4l2_format *f);
152extern int cx25821_vidioc_g_frequency(struct file *file, void *priv,
153				      struct v4l2_frequency *f);
154extern int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f);
155extern int cx25821_vidioc_s_frequency(struct file *file, void *priv,
156				      struct v4l2_frequency *f);
157extern int cx25821_vidioc_g_register(struct file *file, void *fh,
158				     struct v4l2_dbg_register *reg);
159extern int cx25821_vidioc_s_register(struct file *file, void *fh,
160				     struct v4l2_dbg_register *reg);
161extern int cx25821_vidioc_g_tuner(struct file *file, void *priv,
162				  struct v4l2_tuner *t);
163extern int cx25821_vidioc_s_tuner(struct file *file, void *priv,
164				  struct v4l2_tuner *t);
165
166extern int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm);
167extern int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm);
168
169extern int cx25821_vidioc_g_priority(struct file *file, void *f,
170				     enum v4l2_priority *p);
171extern int cx25821_vidioc_s_priority(struct file *file, void *f,
172				     enum v4l2_priority prio);
173
174extern int cx25821_vidioc_queryctrl(struct file *file, void *priv,
175				    struct v4l2_queryctrl *qctrl);
176extern int cx25821_set_control(struct cx25821_dev *dev,
177			       struct v4l2_control *ctrl, int chan_num);
178
179extern int cx25821_vidioc_cropcap(struct file *file, void *fh,
180				  struct v4l2_cropcap *cropcap);
181extern int cx25821_vidioc_s_crop(struct file *file, void *priv,
182				 struct v4l2_crop *crop);
183extern int cx25821_vidioc_g_crop(struct file *file, void *priv,
184				 struct v4l2_crop *crop);
185
186extern int cx25821_vidioc_querystd(struct file *file, void *priv,
187				   v4l2_std_id *norm);
188#endif
189