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