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1da177e4 LT |
1 | #ifndef __SAA7146_VV__ |
2 | #define __SAA7146_VV__ | |
3 | ||
5e87efa3 | 4 | #include <media/v4l2-common.h> |
35ea11ff | 5 | #include <media/v4l2-ioctl.h> |
1da177e4 | 6 | #include <media/saa7146.h> |
c1accaa2 | 7 | #include <media/videobuf-dma-sg.h> |
1da177e4 LT |
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 | ||
20 | struct 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 | ||
32 | struct saa7146_format { | |
33 | char *name; | |
34 | u32 pixelformat; | |
35 | u32 trans; | |
36 | u8 depth; | |
37 | u8 flags; | |
38 | u8 swap; | |
39 | }; | |
40 | ||
41 | struct 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 */ | |
57 | struct 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 | ||
71 | struct saa7146_dmaqueue { | |
72 | struct saa7146_dev *dev; | |
73 | struct saa7146_buf *curr; | |
74 | struct list_head queue; | |
75 | struct timer_list timeout; | |
76 | }; | |
77 | ||
78 | struct 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 */ | |
86 | struct 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 | ||
109 | struct saa7146_vv | |
110 | { | |
111 | int vbi_minor; | |
112 | ||
113 | /* vbi capture */ | |
114 | struct saa7146_dmaqueue vbi_q; | |
115 | /* vbi workaround interrupt queue */ | |
afd1a0c9 | 116 | wait_queue_head_t vbi_wq; |
1da177e4 LT |
117 | int vbi_fieldcount; |
118 | struct saa7146_fh *vbi_streaming; | |
119 | ||
120 | int video_minor; | |
121 | ||
122 | int video_status; | |
123 | struct saa7146_fh *video_fh; | |
124 | ||
125 | /* video overlay */ | |
126 | struct v4l2_framebuffer ov_fb; | |
127 | struct saa7146_format *ov_fmt; | |
128 | struct saa7146_overlay *ov_data; | |
129 | struct saa7146_fh *ov_suspend; | |
130 | ||
131 | /* video capture */ | |
132 | struct saa7146_dmaqueue video_q; | |
133 | enum v4l2_field last_field; | |
134 | ||
135 | /* common: fixme? shouldn't this be in saa7146_fh? | |
136 | (this leads to a more complicated question: shall the driver | |
137 | store the different settings (for example S_INPUT) for every open | |
138 | and restore it appropriately, or should all settings be common for | |
139 | all opens? currently, we do the latter, like all other | |
140 | drivers do... */ | |
141 | struct saa7146_standard *standard; | |
142 | ||
143 | int vflip; | |
144 | int hflip; | |
145 | int current_hps_source; | |
146 | int current_hps_sync; | |
147 | ||
148 | struct saa7146_dma d_clipping; /* pointer to clipping memory */ | |
149 | ||
150 | unsigned int resources; /* resource management for device */ | |
151 | }; | |
152 | ||
153 | #define SAA7146_EXCLUSIVE 0x1 | |
154 | #define SAA7146_BEFORE 0x2 | |
155 | #define SAA7146_AFTER 0x4 | |
156 | ||
157 | struct saa7146_extension_ioctls | |
158 | { | |
159 | unsigned int cmd; | |
160 | int flags; | |
161 | }; | |
162 | ||
163 | /* flags */ | |
164 | #define SAA7146_USE_PORT_B_FOR_VBI 0x2 /* use input port b for vbi hardware bug workaround */ | |
165 | ||
166 | struct saa7146_ext_vv | |
167 | { | |
168 | /* informations about the video capabilities of the device */ | |
169 | int inputs; | |
170 | int audios; | |
171 | u32 capabilities; | |
172 | int flags; | |
173 | ||
174 | /* additionally supported transmission standards */ | |
175 | struct saa7146_standard *stds; | |
176 | int num_stds; | |
177 | int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *); | |
178 | ||
179 | struct saa7146_extension_ioctls *ioctls; | |
180 | int (*ioctl)(struct saa7146_fh*, unsigned int cmd, void *arg); | |
5b0fa4ff | 181 | |
bec43661 | 182 | struct v4l2_file_operations vbi_fops; |
1da177e4 LT |
183 | }; |
184 | ||
185 | struct saa7146_use_ops { | |
afd1a0c9 MCC |
186 | void (*init)(struct saa7146_dev *, struct saa7146_vv *); |
187 | int(*open)(struct saa7146_dev *, struct file *); | |
188 | void (*release)(struct saa7146_dev *, struct file *); | |
189 | void (*irq_done)(struct saa7146_dev *, unsigned long status); | |
1da177e4 LT |
190 | ssize_t (*read)(struct file *, char __user *, size_t, loff_t *); |
191 | }; | |
192 | ||
193 | /* from saa7146_fops.c */ | |
194 | int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev, char *name, int type); | |
195 | int saa7146_unregister_device(struct video_device **vid, struct saa7146_dev* dev); | |
196 | void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, int state); | |
197 | void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi); | |
198 | int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf); | |
199 | void saa7146_buffer_timeout(unsigned long data); | |
c7b0ac05 MCC |
200 | void saa7146_dma_free(struct saa7146_dev* dev,struct videobuf_queue *q, |
201 | struct saa7146_buf *buf); | |
1da177e4 LT |
202 | |
203 | int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv); | |
204 | int saa7146_vv_release(struct saa7146_dev* dev); | |
205 | ||
206 | /* from saa7146_hlp.c */ | |
207 | int saa7146_enable_overlay(struct saa7146_fh *fh); | |
208 | void saa7146_disable_overlay(struct saa7146_fh *fh); | |
209 | ||
210 | void saa7146_set_capture(struct saa7146_dev *dev, struct saa7146_buf *buf, struct saa7146_buf *next); | |
211 | void saa7146_write_out_dma(struct saa7146_dev* dev, int which, struct saa7146_video_dma* vdma) ; | |
212 | void saa7146_set_hps_source_and_sync(struct saa7146_dev *saa, int source, int sync); | |
213 | void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data); | |
214 | ||
215 | /* from saa7146_video.c */ | |
216 | extern struct saa7146_use_ops saa7146_video_uops; | |
217 | int saa7146_start_preview(struct saa7146_fh *fh); | |
218 | int saa7146_stop_preview(struct saa7146_fh *fh); | |
f473bf76 | 219 | int saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg); |
1da177e4 LT |
220 | |
221 | /* from saa7146_vbi.c */ | |
222 | extern struct saa7146_use_ops saa7146_vbi_uops; | |
223 | ||
224 | /* resource management functions */ | |
225 | int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit); | |
226 | void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits); | |
227 | ||
228 | #define RESOURCE_DMA1_HPS 0x1 | |
229 | #define RESOURCE_DMA2_CLP 0x2 | |
230 | #define RESOURCE_DMA3_BRS 0x4 | |
231 | ||
232 | /* saa7146 source inputs */ | |
233 | #define SAA7146_HPS_SOURCE_PORT_A 0x00 | |
234 | #define SAA7146_HPS_SOURCE_PORT_B 0x01 | |
235 | #define SAA7146_HPS_SOURCE_YPB_CPA 0x02 | |
236 | #define SAA7146_HPS_SOURCE_YPA_CPB 0x03 | |
237 | ||
238 | /* sync inputs */ | |
239 | #define SAA7146_HPS_SYNC_PORT_A 0x00 | |
240 | #define SAA7146_HPS_SYNC_PORT_B 0x01 | |
241 | ||
242 | /* some memory sizes */ | |
7a7cd192 OE |
243 | /* max. 16 clipping rectangles */ |
244 | #define SAA7146_CLIPPING_MEM (16 * 4 * sizeof(u32)) | |
1da177e4 LT |
245 | |
246 | /* some defines for the various clipping-modes */ | |
247 | #define SAA7146_CLIPPING_RECT 0x4 | |
248 | #define SAA7146_CLIPPING_RECT_INVERTED 0x5 | |
249 | #define SAA7146_CLIPPING_MASK 0x6 | |
250 | #define SAA7146_CLIPPING_MASK_INVERTED 0x7 | |
251 | ||
252 | /* output formats: each entry holds four informations */ | |
253 | #define RGB08_COMPOSED 0x0217 /* composed is used in the sense of "not-planar" */ | |
254 | /* this means: planar?=0, yuv2rgb-conversation-mode=2, dither=yes(=1), format-mode = 7 */ | |
255 | #define RGB15_COMPOSED 0x0213 | |
256 | #define RGB16_COMPOSED 0x0210 | |
257 | #define RGB24_COMPOSED 0x0201 | |
258 | #define RGB32_COMPOSED 0x0202 | |
259 | ||
260 | #define Y8 0x0006 | |
261 | #define YUV411_COMPOSED 0x0003 | |
262 | #define YUV422_COMPOSED 0x0000 | |
263 | /* this means: planar?=1, yuv2rgb-conversion-mode=0, dither=no(=0), format-mode = b */ | |
264 | #define YUV411_DECOMPOSED 0x100b | |
265 | #define YUV422_DECOMPOSED 0x1009 | |
266 | #define YUV420_DECOMPOSED 0x100a | |
267 | ||
268 | #define IS_PLANAR(x) (x & 0xf000) | |
269 | ||
270 | /* misc defines */ | |
271 | #define SAA7146_NO_SWAP (0x0) | |
272 | #define SAA7146_TWO_BYTE_SWAP (0x1) | |
273 | #define SAA7146_FOUR_BYTE_SWAP (0x2) | |
274 | ||
275 | #endif |