Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef __SAA7146_VV__ |
3 | #define __SAA7146_VV__ | |
4 | ||
5e87efa3 | 5 | #include <media/v4l2-common.h> |
35ea11ff | 6 | #include <media/v4l2-ioctl.h> |
537fa492 | 7 | #include <media/v4l2-fh.h> |
d647f0b7 | 8 | #include <media/drv-intf/saa7146.h> |
c1accaa2 | 9 | #include <media/videobuf-dma-sg.h> |
1da177e4 LT |
10 | |
11 | #define MAX_SAA7146_CAPTURE_BUFFERS 32 /* arbitrary */ | |
12 | #define BUFFER_TIMEOUT (HZ/2) /* 0.5 seconds */ | |
13 | ||
14 | #define WRITE_RPS0(x) do { \ | |
15 | dev->d_rps0.cpu_addr[ count++ ] = cpu_to_le32(x); \ | |
16 | } while (0); | |
17 | ||
18 | #define WRITE_RPS1(x) do { \ | |
19 | dev->d_rps1.cpu_addr[ count++ ] = cpu_to_le32(x); \ | |
20 | } while (0); | |
21 | ||
22 | struct saa7146_video_dma { | |
23 | u32 base_odd; | |
24 | u32 base_even; | |
25 | u32 prot_addr; | |
26 | u32 pitch; | |
27 | u32 base_page; | |
28 | u32 num_line_byte; | |
29 | }; | |
30 | ||
31 | #define FORMAT_BYTE_SWAP 0x1 | |
32 | #define FORMAT_IS_PLANAR 0x2 | |
33 | ||
34 | struct saa7146_format { | |
35 | char *name; | |
36 | u32 pixelformat; | |
37 | u32 trans; | |
38 | u8 depth; | |
39 | u8 flags; | |
40 | u8 swap; | |
41 | }; | |
42 | ||
43 | struct saa7146_standard | |
44 | { | |
45 | char *name; | |
46 | v4l2_std_id id; | |
47 | ||
48 | int v_offset; /* number of lines of vertical offset before processing */ | |
49 | int v_field; /* number of lines in a field for HPS to process */ | |
50 | ||
51 | int h_offset; /* horizontal offset of processing window */ | |
52 | int h_pixels; /* number of horizontal pixels to process */ | |
53 | ||
54 | int v_max_out; | |
55 | int h_max_out; | |
56 | }; | |
57 | ||
58 | /* buffer for one video/vbi frame */ | |
59 | struct saa7146_buf { | |
60 | /* common v4l buffer stuff -- must be first */ | |
61 | struct videobuf_buffer vb; | |
62 | ||
63 | /* saa7146 specific */ | |
64 | struct v4l2_pix_format *fmt; | |
65 | int (*activate)(struct saa7146_dev *dev, | |
66 | struct saa7146_buf *buf, | |
67 | struct saa7146_buf *next); | |
68 | ||
69 | /* page tables */ | |
70 | struct saa7146_pgtable pt[3]; | |
71 | }; | |
72 | ||
73 | struct saa7146_dmaqueue { | |
74 | struct saa7146_dev *dev; | |
75 | struct saa7146_buf *curr; | |
76 | struct list_head queue; | |
77 | struct timer_list timeout; | |
78 | }; | |
79 | ||
80 | struct saa7146_overlay { | |
81 | struct saa7146_fh *fh; | |
82 | struct v4l2_window win; | |
83 | struct v4l2_clip clips[16]; | |
84 | int nclips; | |
85 | }; | |
86 | ||
87 | /* per open data */ | |
88 | struct saa7146_fh { | |
537fa492 HV |
89 | /* Must be the first field! */ |
90 | struct v4l2_fh fh; | |
1da177e4 | 91 | struct saa7146_dev *dev; |
1da177e4 | 92 | |
1da177e4 LT |
93 | /* video capture */ |
94 | struct videobuf_queue video_q; | |
1da177e4 LT |
95 | |
96 | /* vbi capture */ | |
97 | struct videobuf_queue vbi_q; | |
1da177e4 LT |
98 | |
99 | unsigned int resources; /* resource management for device open */ | |
100 | }; | |
101 | ||
102 | #define STATUS_OVERLAY 0x01 | |
103 | #define STATUS_CAPTURE 0x02 | |
104 | ||
105 | struct saa7146_vv | |
106 | { | |
1da177e4 | 107 | /* vbi capture */ |
9bb60193 | 108 | struct saa7146_dmaqueue vbi_dmaq; |
fca3469a HV |
109 | struct v4l2_vbi_format vbi_fmt; |
110 | struct timer_list vbi_read_timeout; | |
1da177e4 | 111 | /* vbi workaround interrupt queue */ |
afd1a0c9 | 112 | wait_queue_head_t vbi_wq; |
1da177e4 LT |
113 | int vbi_fieldcount; |
114 | struct saa7146_fh *vbi_streaming; | |
115 | ||
1da177e4 LT |
116 | int video_status; |
117 | struct saa7146_fh *video_fh; | |
118 | ||
119 | /* video overlay */ | |
5da545ad | 120 | struct saa7146_overlay ov; |
1da177e4 LT |
121 | struct v4l2_framebuffer ov_fb; |
122 | struct saa7146_format *ov_fmt; | |
1da177e4 LT |
123 | struct saa7146_fh *ov_suspend; |
124 | ||
125 | /* video capture */ | |
9bb60193 | 126 | struct saa7146_dmaqueue video_dmaq; |
fd74d6eb | 127 | struct v4l2_pix_format video_fmt; |
1da177e4 LT |
128 | enum v4l2_field last_field; |
129 | ||
130 | /* common: fixme? shouldn't this be in saa7146_fh? | |
131 | (this leads to a more complicated question: shall the driver | |
132 | store the different settings (for example S_INPUT) for every open | |
133 | and restore it appropriately, or should all settings be common for | |
134 | all opens? currently, we do the latter, like all other | |
135 | drivers do... */ | |
136 | struct saa7146_standard *standard; | |
137 | ||
138 | int vflip; | |
139 | int hflip; | |
140 | int current_hps_source; | |
141 | int current_hps_sync; | |
142 | ||
143 | struct saa7146_dma d_clipping; /* pointer to clipping memory */ | |
144 | ||
145 | unsigned int resources; /* resource management for device */ | |
146 | }; | |
147 | ||
1da177e4 LT |
148 | /* flags */ |
149 | #define SAA7146_USE_PORT_B_FOR_VBI 0x2 /* use input port b for vbi hardware bug workaround */ | |
150 | ||
151 | struct saa7146_ext_vv | |
152 | { | |
153 | /* informations about the video capabilities of the device */ | |
154 | int inputs; | |
155 | int audios; | |
156 | u32 capabilities; | |
157 | int flags; | |
158 | ||
159 | /* additionally supported transmission standards */ | |
160 | struct saa7146_standard *stds; | |
161 | int num_stds; | |
162 | int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *); | |
163 | ||
b960074f | 164 | /* the extension can override this */ |
ab49ae0f HV |
165 | struct v4l2_ioctl_ops vid_ops; |
166 | struct v4l2_ioctl_ops vbi_ops; | |
b960074f HV |
167 | /* pointer to the saa7146 core ops */ |
168 | const struct v4l2_ioctl_ops *core_ops; | |
5b0fa4ff | 169 | |
bec43661 | 170 | struct v4l2_file_operations vbi_fops; |
1da177e4 LT |
171 | }; |
172 | ||
173 | struct saa7146_use_ops { | |
afd1a0c9 MCC |
174 | void (*init)(struct saa7146_dev *, struct saa7146_vv *); |
175 | int(*open)(struct saa7146_dev *, struct file *); | |
176 | void (*release)(struct saa7146_dev *, struct file *); | |
177 | void (*irq_done)(struct saa7146_dev *, unsigned long status); | |
1da177e4 LT |
178 | ssize_t (*read)(struct file *, char __user *, size_t, loff_t *); |
179 | }; | |
180 | ||
181 | /* from saa7146_fops.c */ | |
3ae863e0 HV |
182 | int saa7146_register_device(struct video_device *vid, struct saa7146_dev *dev, char *name, int type); |
183 | int saa7146_unregister_device(struct video_device *vid, struct saa7146_dev *dev); | |
1da177e4 LT |
184 | void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, int state); |
185 | void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi); | |
186 | int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf); | |
187 | void saa7146_buffer_timeout(unsigned long data); | |
c7b0ac05 MCC |
188 | void saa7146_dma_free(struct saa7146_dev* dev,struct videobuf_queue *q, |
189 | struct saa7146_buf *buf); | |
1da177e4 LT |
190 | |
191 | int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv); | |
192 | int saa7146_vv_release(struct saa7146_dev* dev); | |
193 | ||
194 | /* from saa7146_hlp.c */ | |
195 | int saa7146_enable_overlay(struct saa7146_fh *fh); | |
196 | void saa7146_disable_overlay(struct saa7146_fh *fh); | |
197 | ||
198 | void saa7146_set_capture(struct saa7146_dev *dev, struct saa7146_buf *buf, struct saa7146_buf *next); | |
199 | void saa7146_write_out_dma(struct saa7146_dev* dev, int which, struct saa7146_video_dma* vdma) ; | |
200 | void saa7146_set_hps_source_and_sync(struct saa7146_dev *saa, int source, int sync); | |
201 | void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data); | |
202 | ||
203 | /* from saa7146_video.c */ | |
b960074f | 204 | extern const struct v4l2_ioctl_ops saa7146_video_ioctl_ops; |
ab49ae0f | 205 | extern const struct v4l2_ioctl_ops saa7146_vbi_ioctl_ops; |
1da177e4 LT |
206 | extern struct saa7146_use_ops saa7146_video_uops; |
207 | int saa7146_start_preview(struct saa7146_fh *fh); | |
208 | int saa7146_stop_preview(struct saa7146_fh *fh); | |
069b7479 | 209 | long saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg); |
6e65ca94 | 210 | int saa7146_s_ctrl(struct v4l2_ctrl *ctrl); |
1da177e4 LT |
211 | |
212 | /* from saa7146_vbi.c */ | |
213 | extern struct saa7146_use_ops saa7146_vbi_uops; | |
214 | ||
215 | /* resource management functions */ | |
216 | int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit); | |
217 | void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits); | |
218 | ||
219 | #define RESOURCE_DMA1_HPS 0x1 | |
220 | #define RESOURCE_DMA2_CLP 0x2 | |
221 | #define RESOURCE_DMA3_BRS 0x4 | |
222 | ||
223 | /* saa7146 source inputs */ | |
224 | #define SAA7146_HPS_SOURCE_PORT_A 0x00 | |
225 | #define SAA7146_HPS_SOURCE_PORT_B 0x01 | |
226 | #define SAA7146_HPS_SOURCE_YPB_CPA 0x02 | |
227 | #define SAA7146_HPS_SOURCE_YPA_CPB 0x03 | |
228 | ||
229 | /* sync inputs */ | |
230 | #define SAA7146_HPS_SYNC_PORT_A 0x00 | |
231 | #define SAA7146_HPS_SYNC_PORT_B 0x01 | |
232 | ||
233 | /* some memory sizes */ | |
7a7cd192 OE |
234 | /* max. 16 clipping rectangles */ |
235 | #define SAA7146_CLIPPING_MEM (16 * 4 * sizeof(u32)) | |
1da177e4 LT |
236 | |
237 | /* some defines for the various clipping-modes */ | |
238 | #define SAA7146_CLIPPING_RECT 0x4 | |
239 | #define SAA7146_CLIPPING_RECT_INVERTED 0x5 | |
240 | #define SAA7146_CLIPPING_MASK 0x6 | |
241 | #define SAA7146_CLIPPING_MASK_INVERTED 0x7 | |
242 | ||
243 | /* output formats: each entry holds four informations */ | |
244 | #define RGB08_COMPOSED 0x0217 /* composed is used in the sense of "not-planar" */ | |
245 | /* this means: planar?=0, yuv2rgb-conversation-mode=2, dither=yes(=1), format-mode = 7 */ | |
246 | #define RGB15_COMPOSED 0x0213 | |
247 | #define RGB16_COMPOSED 0x0210 | |
248 | #define RGB24_COMPOSED 0x0201 | |
249 | #define RGB32_COMPOSED 0x0202 | |
250 | ||
251 | #define Y8 0x0006 | |
252 | #define YUV411_COMPOSED 0x0003 | |
253 | #define YUV422_COMPOSED 0x0000 | |
254 | /* this means: planar?=1, yuv2rgb-conversion-mode=0, dither=no(=0), format-mode = b */ | |
255 | #define YUV411_DECOMPOSED 0x100b | |
256 | #define YUV422_DECOMPOSED 0x1009 | |
257 | #define YUV420_DECOMPOSED 0x100a | |
258 | ||
259 | #define IS_PLANAR(x) (x & 0xf000) | |
260 | ||
261 | /* misc defines */ | |
262 | #define SAA7146_NO_SWAP (0x0) | |
263 | #define SAA7146_TWO_BYTE_SWAP (0x1) | |
264 | #define SAA7146_FOUR_BYTE_SWAP (0x2) | |
265 | ||
266 | #endif |