1#ifndef __SAA7146_VV__ 2#define __SAA7146_VV__ 3 4#include <linux/videodev.h> 5#include <media/v4l2-common.h> 6#include <media/saa7146.h> 7#include <media/video-buf.h> 8 9#define MAX_SAA7146_CAPTURE_BUFFERS 32 /* arbitrary */ 10#define BUFFER_TIMEOUT (HZ/2) /* 0.5 seconds */ 11 12#define WRITE_RPS0(x) do { \ 13 dev->d_rps0.cpu_addr[ count++ ] = cpu_to_le32(x); \ 14 } while (0); 15 16#define WRITE_RPS1(x) do { \ 17 dev->d_rps1.cpu_addr[ count++ ] = cpu_to_le32(x); \ 18 } while (0); 19 20struct saa7146_video_dma { 21 u32 base_odd; 22 u32 base_even; 23 u32 prot_addr; 24 u32 pitch; 25 u32 base_page; 26 u32 num_line_byte; 27}; 28 29#define FORMAT_BYTE_SWAP 0x1 30#define FORMAT_IS_PLANAR 0x2 31 32struct saa7146_format { 33 char *name; 34 u32 pixelformat; 35 u32 trans; 36 u8 depth; 37 u8 flags; 38 u8 swap; 39}; 40 41struct saa7146_standard 42{ 43 char *name; 44 v4l2_std_id id; 45 46 int v_offset; /* number of lines of vertical offset before processing */ 47 int v_field; /* number of lines in a field for HPS to process */ 48 49 int h_offset; /* horizontal offset of processing window */ 50 int h_pixels; /* number of horizontal pixels to process */ 51 52 int v_max_out; 53 int h_max_out; 54}; 55 56/* buffer for one video/vbi frame */ 57struct saa7146_buf { 58 /* common v4l buffer stuff -- must be first */ 59 struct videobuf_buffer vb; 60 61 /* saa7146 specific */ 62 struct v4l2_pix_format *fmt; 63 int (*activate)(struct saa7146_dev *dev, 64 struct saa7146_buf *buf, 65 struct saa7146_buf *next); 66 67 /* page tables */ 68 struct saa7146_pgtable pt[3]; 69}; 70 71struct saa7146_dmaqueue { 72 struct saa7146_dev *dev; 73 struct saa7146_buf *curr; 74 struct list_head queue; 75 struct timer_list timeout; 76}; 77 78struct saa7146_overlay { 79 struct saa7146_fh *fh; 80 struct v4l2_window win; 81 struct v4l2_clip clips[16]; 82 int nclips; 83}; 84 85/* per open data */ 86struct saa7146_fh { 87 struct saa7146_dev *dev; 88 /* if this is a vbi or capture open */ 89 enum v4l2_buf_type type; 90 91 /* video overlay */ 92 struct saa7146_overlay ov; 93 94 /* video capture */ 95 struct videobuf_queue video_q; 96 struct v4l2_pix_format video_fmt; 97 98 /* vbi capture */ 99 struct videobuf_queue vbi_q; 100 struct v4l2_vbi_format vbi_fmt; 101 struct timer_list vbi_read_timeout; 102 103 unsigned int resources; /* resource management for device open */ 104}; 105 106#define STATUS_OVERLAY 0x01 107#define STATUS_CAPTURE 0x02 108 109struct saa7146_vv 110{ 111 int vbi_minor; 112 113 /* vbi capture */ 114 struct saa7146_dmaqueue vbi_q; 115 wait_queue_head_t vbi_wq; 116 int vbi_fieldcount; 117 struct saa7146_fh *vbi_streaming; 118 119 int video_minor; 120 121 int video_status; 122 struct saa7146_fh *video_fh; 123 124 /* video overlay */ 125 struct v4l2_framebuffer ov_fb; 126 struct saa7146_format *ov_fmt; 127 struct saa7146_overlay *ov_data; 128 struct saa7146_fh *ov_suspend; 129 130 /* video capture */ 131 struct saa7146_dmaqueue video_q; 132 enum v4l2_field last_field; 133 134 struct saa7146_standard *standard; 135 136 int vflip; 137 int hflip; 138 int current_hps_source; 139 int current_hps_sync; 140 141 struct saa7146_dma d_clipping; /* pointer to clipping memory */ 142 143 unsigned int resources; /* resource management for device */ 144}; 145 146#define SAA7146_EXCLUSIVE 0x1 147#define SAA7146_BEFORE 0x2 148#define SAA7146_AFTER 0x4 149 150struct saa7146_extension_ioctls 151{ 152 unsigned int cmd; 153 int flags; 154}; 155 156/* flags */ 157#define SAA7146_USE_PORT_B_FOR_VBI 0x2 158 159struct saa7146_ext_vv 160{ 161 /* informations about the video capabilities of the device */ 162 int inputs; 163 int audios; 164 u32 capabilities; 165 int flags; 166 167 /* additionally supported transmission standards */ 168 struct saa7146_standard *stds; 169 int num_stds; 170 int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *); 171 172 struct saa7146_extension_ioctls *ioctls; 173 int (*ioctl)(struct saa7146_fh*, unsigned int cmd, void *arg); 174 175 struct file_operations vbi_fops; 176}; 177 178struct saa7146_use_ops { 179 void (*init)(struct saa7146_dev *, struct saa7146_vv *); 180 int(*open)(struct saa7146_dev *, struct file *); 181 void (*release)(struct saa7146_dev *, struct file *); 182 void (*irq_done)(struct saa7146_dev *, unsigned long status); 183 ssize_t (*read)(struct file *, char __user *, size_t, loff_t *); 184}; 185 186/* from saa7146_fops.c */ 187int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev, char *name, int type); 188int saa7146_unregister_device(struct video_device **vid, struct saa7146_dev* dev); 189void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, int state); 190void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi); 191int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf); 192void saa7146_buffer_timeout(unsigned long data); 193void saa7146_dma_free(struct saa7146_dev* dev,struct videobuf_queue *q, 194 struct saa7146_buf *buf); 195 196int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv); 197int saa7146_vv_release(struct saa7146_dev* dev); 198 199/* from saa7146_hlp.c */ 200int saa7146_enable_overlay(struct saa7146_fh *fh); 201void saa7146_disable_overlay(struct saa7146_fh *fh); 202 203void saa7146_set_capture(struct saa7146_dev *dev, struct saa7146_buf *buf, struct saa7146_buf *next); 204void saa7146_write_out_dma(struct saa7146_dev* dev, int which, struct saa7146_video_dma* vdma) ; 205void saa7146_set_hps_source_and_sync(struct saa7146_dev *saa, int source, int sync); 206void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data); 207 208/* from saa7146_video.c */ 209extern struct saa7146_use_ops saa7146_video_uops; 210int saa7146_start_preview(struct saa7146_fh *fh); 211int saa7146_stop_preview(struct saa7146_fh *fh); 212int saa7146_video_do_ioctl(struct inode *inode, struct file *file, 213 unsigned int cmd, void *arg); 214 215/* from saa7146_vbi.c */ 216extern struct saa7146_use_ops saa7146_vbi_uops; 217 218/* resource management functions */ 219int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit); 220void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits); 221 222#define RESOURCE_DMA1_HPS 0x1 223#define RESOURCE_DMA2_CLP 0x2 224#define RESOURCE_DMA3_BRS 0x4 225 226/* saa7146 source inputs */ 227#define SAA7146_HPS_SOURCE_PORT_A 0x00 228#define SAA7146_HPS_SOURCE_PORT_B 0x01 229#define SAA7146_HPS_SOURCE_YPB_CPA 0x02 230#define SAA7146_HPS_SOURCE_YPA_CPB 0x03 231 232/* sync inputs */ 233#define SAA7146_HPS_SYNC_PORT_A 0x00 234#define SAA7146_HPS_SYNC_PORT_B 0x01 235 236/* some memory sizes */ 237/* max. 16 clipping rectangles */ 238#define SAA7146_CLIPPING_MEM (16 * 4 * sizeof(u32)) 239 240/* some defines for the various clipping-modes */ 241#define SAA7146_CLIPPING_RECT 0x4 242#define SAA7146_CLIPPING_RECT_INVERTED 0x5 243#define SAA7146_CLIPPING_MASK 0x6 244#define SAA7146_CLIPPING_MASK_INVERTED 0x7 245 246/* output formats: each entry holds four informations */ 247#define RGB08_COMPOSED 0x0217 /* composed is used in the sense of "not-planar" */ 248/* this means: planar?=0, yuv2rgb-conversation-mode=2, dither=yes(=1), format-mode = 7 */ 249#define RGB15_COMPOSED 0x0213 250#define RGB16_COMPOSED 0x0210 251#define RGB24_COMPOSED 0x0201 252#define RGB32_COMPOSED 0x0202 253 254#define Y8 0x0006 255#define YUV411_COMPOSED 0x0003 256#define YUV422_COMPOSED 0x0000 257/* this means: planar?=1, yuv2rgb-conversion-mode=0, dither=no(=0), format-mode = b */ 258#define YUV411_DECOMPOSED 0x100b 259#define YUV422_DECOMPOSED 0x1009 260#define YUV420_DECOMPOSED 0x100a 261 262#define IS_PLANAR(x) (x & 0xf000) 263 264/* misc defines */ 265#define SAA7146_NO_SWAP (0x0) 266#define SAA7146_TWO_BYTE_SWAP (0x1) 267#define SAA7146_FOUR_BYTE_SWAP (0x2) 268 269#endif 270