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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/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 |
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