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#ifdef CONFIG_VIDEO_V4L1_COMPAT 44/* Include V4L1 specific functions. Should be removed soon */ 45#include <linux/videodev.h> 46#endif 47 48#define TUNER_FLAG 49 50#define VIDEO_DEBUG 0 51 52#define dprintk(level, fmt, arg...)\ 53 do { if (VIDEO_DEBUG >= level)\ 54 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\ 55 } while (0) 56 57/* For IOCTL to identify running upstream */ 58#define UPSTREAM_START_VIDEO 700 59#define UPSTREAM_STOP_VIDEO 701 60#define UPSTREAM_START_AUDIO 702 61#define UPSTREAM_STOP_AUDIO 703 62#define UPSTREAM_DUMP_REGISTERS 702 63#define SET_VIDEO_STD 800 64#define SET_PIXEL_FORMAT 1000 65#define ENABLE_CIF_RESOLUTION 1001 66 67#define REG_READ 900 68#define REG_WRITE 901 69#define MEDUSA_READ 910 70#define MEDUSA_WRITE 911 71 72extern struct sram_channel *channel0; 73extern struct sram_channel *channel1; 74extern struct sram_channel *channel2; 75extern struct sram_channel *channel3; 76extern struct sram_channel *channel4; 77extern struct sram_channel *channel5; 78extern struct sram_channel *channel6; 79extern struct sram_channel *channel7; 80extern struct sram_channel *channel9; 81extern struct sram_channel *channel10; 82extern struct sram_channel *channel11; 83extern struct video_device cx25821_videoioctl_template; 84/* extern const u32 *ctrl_classes[]; */ 85 86extern unsigned int vid_limit; 87 88#define FORMAT_FLAGS_PACKED 0x01 89extern struct cx25821_fmt formats[]; 90extern struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc); 91extern struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM]; 92 93extern void cx25821_dump_video_queue(struct cx25821_dev *dev, 94 struct cx25821_dmaqueue *q); 95extern void cx25821_video_wakeup(struct cx25821_dev *dev, 96 struct cx25821_dmaqueue *q, u32 count); 97 98#ifdef TUNER_FLAG 99extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm); 100#endif 101 102extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, 103 unsigned int bit); 104extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit); 105extern int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit); 106extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, 107 unsigned int bits); 108extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input); 109extern int cx25821_start_video_dma(struct cx25821_dev *dev, 110 struct cx25821_dmaqueue *q, 111 struct cx25821_buffer *buf, 112 struct sram_channel *channel); 113 114extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width, 115 unsigned int height, enum v4l2_field field); 116extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status); 117extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num); 118extern int cx25821_video_register(struct cx25821_dev *dev); 119extern int cx25821_get_format_size(void); 120 121extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count, 122 unsigned int *size); 123extern int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 124 enum v4l2_field field); 125extern void cx25821_buffer_release(struct videobuf_queue *q, 126 struct videobuf_buffer *vb); 127extern struct videobuf_queue *get_queue(struct cx25821_fh *fh); 128extern int cx25821_get_resource(struct cx25821_fh *fh, int resource); 129extern int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma); 130extern int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv, 131 struct v4l2_format *f); 132extern int cx25821_vidioc_querycap(struct file *file, void *priv, 133 struct v4l2_capability *cap); 134extern int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 135 struct v4l2_fmtdesc *f); 136extern int cx25821_vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf); 137extern int cx25821_vidioc_reqbufs(struct file *file, void *priv, 138 struct v4l2_requestbuffers *p); 139extern int cx25821_vidioc_querybuf(struct file *file, void *priv, 140 struct v4l2_buffer *p); 141extern int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p); 142extern int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms); 143extern int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i); 144extern int cx25821_vidioc_enum_input(struct file *file, void *priv, 145 struct v4l2_input *i); 146extern int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i); 147extern int cx25821_vidioc_s_input(struct file *file, void *priv, 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, struct v4l2_tuner *t); 162extern int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t); 163 164extern int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm); 165extern int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm); 166 167extern int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p); 168extern int cx25821_vidioc_s_priority(struct file *file, void *f, 169 enum v4l2_priority prio); 170 171extern int cx25821_vidioc_queryctrl(struct file *file, void *priv, 172 struct v4l2_queryctrl *qctrl); 173extern int cx25821_set_control(struct cx25821_dev *dev, 174 struct v4l2_control *ctrl, int chan_num); 175 176extern int cx25821_vidioc_cropcap(struct file *file, void *fh, 177 struct v4l2_cropcap *cropcap); 178extern int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop); 179extern int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop); 180 181extern int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm); 182#endif 183