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...) \ 48 do { \ 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 68 extern struct sram_channel *channel0; 69 extern struct sram_channel *channel1; 70 extern struct sram_channel *channel2; 71 extern struct sram_channel *channel3; 72 extern struct sram_channel *channel4; 73 extern struct sram_channel *channel5; 74 extern struct sram_channel *channel6; 75 extern struct sram_channel *channel7; 76 extern struct sram_channel *channel9; 77 extern struct sram_channel *channel10; 78 extern struct sram_channel *channel11; 79 extern struct video_device cx25821_videoioctl_template; 80 /* extern const u32 *ctrl_classes[]; */ 81 82 extern unsigned int vid_limit; 83 84 #define FORMAT_FLAGS_PACKED 0x01 85 extern struct cx25821_fmt formats[]; 86 extern struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc); 87 extern struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM]; 88 89 extern void cx25821_dump_video_queue(struct cx25821_dev *dev, 90 struct cx25821_dmaqueue *q); 91 extern void cx25821_video_wakeup(struct cx25821_dev *dev, 92 struct cx25821_dmaqueue *q, u32 count); 93 94 #ifdef TUNER_FLAG 95 extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm); 96 #endif 97 98 extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, 99 unsigned int bit); 100 extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit); 101 extern int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit); 102 extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, 103 unsigned int bits); 104 extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input); 105 extern int cx25821_start_video_dma(struct cx25821_dev *dev, 106 struct cx25821_dmaqueue *q, 107 struct cx25821_buffer *buf, 108 struct sram_channel *channel); 109 110 extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width, 111 unsigned int height, enum v4l2_field field); 112 extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status); 113 extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num); 114 extern int cx25821_video_register(struct cx25821_dev *dev); 115 extern int cx25821_get_format_size(void); 116 117 extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count, 118 unsigned int *size); 119 extern int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 120 enum v4l2_field field); 121 extern void cx25821_buffer_release(struct videobuf_queue *q, 122 struct videobuf_buffer *vb); 123 extern struct videobuf_queue *get_queue(struct cx25821_fh *fh); 124 extern int cx25821_get_resource(struct cx25821_fh *fh, int resource); 125 extern int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma); 126 extern int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv, 127 struct v4l2_format *f); 128 extern int cx25821_vidioc_querycap(struct file *file, void *priv, 129 struct v4l2_capability *cap); 130 extern int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 131 struct v4l2_fmtdesc *f); 132 extern int cx25821_vidioc_reqbufs(struct file *file, void *priv, 133 struct v4l2_requestbuffers *p); 134 extern int cx25821_vidioc_querybuf(struct file *file, void *priv, 135 struct v4l2_buffer *p); 136 extern int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p); 137 extern int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms); 138 extern int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i); 139 extern int cx25821_vidioc_enum_input(struct file *file, void *priv, 140 struct v4l2_input *i); 141 extern int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i); 142 extern int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i); 143 extern int cx25821_vidioc_g_ctrl(struct file *file, void *priv, 144 struct v4l2_control *ctl); 145 extern int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv, 146 struct v4l2_format *f); 147 extern int cx25821_vidioc_g_frequency(struct file *file, void *priv, 148 struct v4l2_frequency *f); 149 extern int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f); 150 extern int cx25821_vidioc_s_frequency(struct file *file, void *priv, 151 struct v4l2_frequency *f); 152 extern int cx25821_vidioc_g_register(struct file *file, void *fh, 153 struct v4l2_dbg_register *reg); 154 extern int cx25821_vidioc_s_register(struct file *file, void *fh, 155 struct v4l2_dbg_register *reg); 156 extern int cx25821_vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t); 157 extern int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t); 158 159 extern int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm); 160 extern int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm); 161 162 extern int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p); 163 extern int cx25821_vidioc_s_priority(struct file *file, void *f, 164 enum v4l2_priority prio); 165 166 extern int cx25821_vidioc_queryctrl(struct file *file, void *priv, 167 struct v4l2_queryctrl *qctrl); 168 extern int cx25821_set_control(struct cx25821_dev *dev, 169 struct v4l2_control *ctrl, int chan_num); 170 171 extern int cx25821_vidioc_cropcap(struct file *file, void *fh, 172 struct v4l2_cropcap *cropcap); 173 extern int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop); 174 extern int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop); 175 176 extern int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm); 177 #endif 178