1 #ifndef __SAA7146_VV__ 2 #define __SAA7146_VV__ 3 4 #include <media/v4l2-common.h> 5 #include <media/v4l2-ioctl.h> 6 #include <media/v4l2-fh.h> 7 #include <media/drv-intf/saa7146.h> 8 #include <media/videobuf-dma-sg.h> 9 10 #define MAX_SAA7146_CAPTURE_BUFFERS 32 /* arbitrary */ 11 #define BUFFER_TIMEOUT (HZ/2) /* 0.5 seconds */ 12 13 #define WRITE_RPS0(x) do { \ 14 dev->d_rps0.cpu_addr[ count++ ] = cpu_to_le32(x); \ 15 } while (0); 16 17 #define WRITE_RPS1(x) do { \ 18 dev->d_rps1.cpu_addr[ count++ ] = cpu_to_le32(x); \ 19 } while (0); 20 21 struct saa7146_video_dma { 22 u32 base_odd; 23 u32 base_even; 24 u32 prot_addr; 25 u32 pitch; 26 u32 base_page; 27 u32 num_line_byte; 28 }; 29 30 #define FORMAT_BYTE_SWAP 0x1 31 #define FORMAT_IS_PLANAR 0x2 32 33 struct saa7146_format { 34 char *name; 35 u32 pixelformat; 36 u32 trans; 37 u8 depth; 38 u8 flags; 39 u8 swap; 40 }; 41 42 struct saa7146_standard 43 { 44 char *name; 45 v4l2_std_id id; 46 47 int v_offset; /* number of lines of vertical offset before processing */ 48 int v_field; /* number of lines in a field for HPS to process */ 49 50 int h_offset; /* horizontal offset of processing window */ 51 int h_pixels; /* number of horizontal pixels to process */ 52 53 int v_max_out; 54 int h_max_out; 55 }; 56 57 /* buffer for one video/vbi frame */ 58 struct saa7146_buf { 59 /* common v4l buffer stuff -- must be first */ 60 struct videobuf_buffer vb; 61 62 /* saa7146 specific */ 63 struct v4l2_pix_format *fmt; 64 int (*activate)(struct saa7146_dev *dev, 65 struct saa7146_buf *buf, 66 struct saa7146_buf *next); 67 68 /* page tables */ 69 struct saa7146_pgtable pt[3]; 70 }; 71 72 struct saa7146_dmaqueue { 73 struct saa7146_dev *dev; 74 struct saa7146_buf *curr; 75 struct list_head queue; 76 struct timer_list timeout; 77 }; 78 79 struct saa7146_overlay { 80 struct saa7146_fh *fh; 81 struct v4l2_window win; 82 struct v4l2_clip clips[16]; 83 int nclips; 84 }; 85 86 /* per open data */ 87 struct saa7146_fh { 88 /* Must be the first field! */ 89 struct v4l2_fh fh; 90 struct saa7146_dev *dev; 91 92 /* video capture */ 93 struct videobuf_queue video_q; 94 95 /* vbi capture */ 96 struct videobuf_queue vbi_q; 97 98 unsigned int resources; /* resource management for device open */ 99 }; 100 101 #define STATUS_OVERLAY 0x01 102 #define STATUS_CAPTURE 0x02 103 104 struct saa7146_vv 105 { 106 /* vbi capture */ 107 struct saa7146_dmaqueue vbi_dmaq; 108 struct v4l2_vbi_format vbi_fmt; 109 struct timer_list vbi_read_timeout; 110 /* vbi workaround interrupt queue */ 111 wait_queue_head_t vbi_wq; 112 int vbi_fieldcount; 113 struct saa7146_fh *vbi_streaming; 114 115 int video_status; 116 struct saa7146_fh *video_fh; 117 118 /* video overlay */ 119 struct saa7146_overlay ov; 120 struct v4l2_framebuffer ov_fb; 121 struct saa7146_format *ov_fmt; 122 struct saa7146_fh *ov_suspend; 123 124 /* video capture */ 125 struct saa7146_dmaqueue video_dmaq; 126 struct v4l2_pix_format video_fmt; 127 enum v4l2_field last_field; 128 129 /* common: fixme? shouldn't this be in saa7146_fh? 130 (this leads to a more complicated question: shall the driver 131 store the different settings (for example S_INPUT) for every open 132 and restore it appropriately, or should all settings be common for 133 all opens? currently, we do the latter, like all other 134 drivers do... */ 135 struct saa7146_standard *standard; 136 137 int vflip; 138 int hflip; 139 int current_hps_source; 140 int current_hps_sync; 141 142 struct saa7146_dma d_clipping; /* pointer to clipping memory */ 143 144 unsigned int resources; /* resource management for device */ 145 }; 146 147 /* flags */ 148 #define SAA7146_USE_PORT_B_FOR_VBI 0x2 /* use input port b for vbi hardware bug workaround */ 149 150 struct saa7146_ext_vv 151 { 152 /* informations about the video capabilities of the device */ 153 int inputs; 154 int audios; 155 u32 capabilities; 156 int flags; 157 158 /* additionally supported transmission standards */ 159 struct saa7146_standard *stds; 160 int num_stds; 161 int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *); 162 163 /* the extension can override this */ 164 struct v4l2_ioctl_ops vid_ops; 165 struct v4l2_ioctl_ops vbi_ops; 166 /* pointer to the saa7146 core ops */ 167 const struct v4l2_ioctl_ops *core_ops; 168 169 struct v4l2_file_operations vbi_fops; 170 }; 171 172 struct saa7146_use_ops { 173 void (*init)(struct saa7146_dev *, struct saa7146_vv *); 174 int(*open)(struct saa7146_dev *, struct file *); 175 void (*release)(struct saa7146_dev *, struct file *); 176 void (*irq_done)(struct saa7146_dev *, unsigned long status); 177 ssize_t (*read)(struct file *, char __user *, size_t, loff_t *); 178 }; 179 180 /* from saa7146_fops.c */ 181 int saa7146_register_device(struct video_device *vid, struct saa7146_dev *dev, char *name, int type); 182 int saa7146_unregister_device(struct video_device *vid, struct saa7146_dev *dev); 183 void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, int state); 184 void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi); 185 int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf); 186 void saa7146_buffer_timeout(unsigned long data); 187 void saa7146_dma_free(struct saa7146_dev* dev,struct videobuf_queue *q, 188 struct saa7146_buf *buf); 189 190 int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv); 191 int saa7146_vv_release(struct saa7146_dev* dev); 192 193 /* from saa7146_hlp.c */ 194 int saa7146_enable_overlay(struct saa7146_fh *fh); 195 void saa7146_disable_overlay(struct saa7146_fh *fh); 196 197 void saa7146_set_capture(struct saa7146_dev *dev, struct saa7146_buf *buf, struct saa7146_buf *next); 198 void saa7146_write_out_dma(struct saa7146_dev* dev, int which, struct saa7146_video_dma* vdma) ; 199 void saa7146_set_hps_source_and_sync(struct saa7146_dev *saa, int source, int sync); 200 void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data); 201 202 /* from saa7146_video.c */ 203 extern const struct v4l2_ioctl_ops saa7146_video_ioctl_ops; 204 extern const struct v4l2_ioctl_ops saa7146_vbi_ioctl_ops; 205 extern struct saa7146_use_ops saa7146_video_uops; 206 int saa7146_start_preview(struct saa7146_fh *fh); 207 int saa7146_stop_preview(struct saa7146_fh *fh); 208 long saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg); 209 int saa7146_s_ctrl(struct v4l2_ctrl *ctrl); 210 211 /* from saa7146_vbi.c */ 212 extern struct saa7146_use_ops saa7146_vbi_uops; 213 214 /* resource management functions */ 215 int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit); 216 void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits); 217 218 #define RESOURCE_DMA1_HPS 0x1 219 #define RESOURCE_DMA2_CLP 0x2 220 #define RESOURCE_DMA3_BRS 0x4 221 222 /* saa7146 source inputs */ 223 #define SAA7146_HPS_SOURCE_PORT_A 0x00 224 #define SAA7146_HPS_SOURCE_PORT_B 0x01 225 #define SAA7146_HPS_SOURCE_YPB_CPA 0x02 226 #define SAA7146_HPS_SOURCE_YPA_CPB 0x03 227 228 /* sync inputs */ 229 #define SAA7146_HPS_SYNC_PORT_A 0x00 230 #define SAA7146_HPS_SYNC_PORT_B 0x01 231 232 /* some memory sizes */ 233 /* max. 16 clipping rectangles */ 234 #define SAA7146_CLIPPING_MEM (16 * 4 * sizeof(u32)) 235 236 /* some defines for the various clipping-modes */ 237 #define SAA7146_CLIPPING_RECT 0x4 238 #define SAA7146_CLIPPING_RECT_INVERTED 0x5 239 #define SAA7146_CLIPPING_MASK 0x6 240 #define SAA7146_CLIPPING_MASK_INVERTED 0x7 241 242 /* output formats: each entry holds four informations */ 243 #define RGB08_COMPOSED 0x0217 /* composed is used in the sense of "not-planar" */ 244 /* this means: planar?=0, yuv2rgb-conversation-mode=2, dither=yes(=1), format-mode = 7 */ 245 #define RGB15_COMPOSED 0x0213 246 #define RGB16_COMPOSED 0x0210 247 #define RGB24_COMPOSED 0x0201 248 #define RGB32_COMPOSED 0x0202 249 250 #define Y8 0x0006 251 #define YUV411_COMPOSED 0x0003 252 #define YUV422_COMPOSED 0x0000 253 /* this means: planar?=1, yuv2rgb-conversion-mode=0, dither=no(=0), format-mode = b */ 254 #define YUV411_DECOMPOSED 0x100b 255 #define YUV422_DECOMPOSED 0x1009 256 #define YUV420_DECOMPOSED 0x100a 257 258 #define IS_PLANAR(x) (x & 0xf000) 259 260 /* misc defines */ 261 #define SAA7146_NO_SWAP (0x0) 262 #define SAA7146_TWO_BYTE_SWAP (0x1) 263 #define SAA7146_FOUR_BYTE_SWAP (0x2) 264 265 #endif 266