1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef __SAA7146_VV__ |
3 | #define __SAA7146_VV__ |
4 | |
5 | #include <media/v4l2-common.h> |
6 | #include <media/v4l2-ioctl.h> |
7 | #include <media/v4l2-fh.h> |
8 | #include <media/drv-intf/saa7146.h> |
9 | #include <media/videobuf2-dma-sg.h> |
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 | 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 vb2_v4l2_buffer vb; |
61 | struct list_head list; |
62 | |
63 | /* saa7146 specific */ |
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 | struct vb2_queue q; |
78 | }; |
79 | |
80 | struct saa7146_vv |
81 | { |
82 | /* vbi capture */ |
83 | struct saa7146_dmaqueue vbi_dmaq; |
84 | struct v4l2_vbi_format vbi_fmt; |
85 | struct timer_list vbi_read_timeout; |
86 | /* vbi workaround interrupt queue */ |
87 | wait_queue_head_t vbi_wq; |
88 | |
89 | /* video capture */ |
90 | struct saa7146_dmaqueue video_dmaq; |
91 | struct v4l2_pix_format video_fmt; |
92 | enum v4l2_field last_field; |
93 | u32 seqnr; |
94 | |
95 | /* common: fixme? shouldn't this be in saa7146_fh? |
96 | (this leads to a more complicated question: shall the driver |
97 | store the different settings (for example S_INPUT) for every open |
98 | and restore it appropriately, or should all settings be common for |
99 | all opens? currently, we do the latter, like all other |
100 | drivers do... */ |
101 | struct saa7146_standard *standard; |
102 | |
103 | int vflip; |
104 | int hflip; |
105 | int current_hps_source; |
106 | int current_hps_sync; |
107 | |
108 | unsigned int resources; /* resource management for device */ |
109 | }; |
110 | |
111 | /* flags */ |
112 | #define SAA7146_USE_PORT_B_FOR_VBI 0x2 /* use input port b for vbi hardware bug workaround */ |
113 | |
114 | struct saa7146_ext_vv |
115 | { |
116 | /* information about the video capabilities of the device */ |
117 | int inputs; |
118 | int audios; |
119 | u32 capabilities; |
120 | int flags; |
121 | |
122 | /* additionally supported transmission standards */ |
123 | struct saa7146_standard *stds; |
124 | int num_stds; |
125 | int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *); |
126 | |
127 | /* the extension can override this */ |
128 | struct v4l2_ioctl_ops vid_ops; |
129 | struct v4l2_ioctl_ops vbi_ops; |
130 | /* pointer to the saa7146 core ops */ |
131 | const struct v4l2_ioctl_ops *core_ops; |
132 | |
133 | struct v4l2_file_operations vbi_fops; |
134 | }; |
135 | |
136 | struct saa7146_use_ops { |
137 | void (*init)(struct saa7146_dev *, struct saa7146_vv *); |
138 | void (*irq_done)(struct saa7146_dev *, unsigned long status); |
139 | }; |
140 | |
141 | /* from saa7146_fops.c */ |
142 | int saa7146_register_device(struct video_device *vid, struct saa7146_dev *dev, char *name, int type); |
143 | int saa7146_unregister_device(struct video_device *vid, struct saa7146_dev *dev); |
144 | void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, int state); |
145 | void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi); |
146 | int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf); |
147 | void saa7146_buffer_timeout(struct timer_list *t); |
148 | |
149 | int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv); |
150 | int saa7146_vv_release(struct saa7146_dev* dev); |
151 | |
152 | /* from saa7146_hlp.c */ |
153 | void saa7146_set_capture(struct saa7146_dev *dev, struct saa7146_buf *buf, struct saa7146_buf *next); |
154 | void saa7146_write_out_dma(struct saa7146_dev* dev, int which, struct saa7146_video_dma* vdma) ; |
155 | void saa7146_set_hps_source_and_sync(struct saa7146_dev *saa, int source, int sync); |
156 | void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data); |
157 | |
158 | /* from saa7146_video.c */ |
159 | extern const struct v4l2_ioctl_ops saa7146_video_ioctl_ops; |
160 | extern const struct v4l2_ioctl_ops saa7146_vbi_ioctl_ops; |
161 | extern const struct saa7146_use_ops saa7146_video_uops; |
162 | extern const struct vb2_ops video_qops; |
163 | long saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg); |
164 | int saa7146_s_ctrl(struct v4l2_ctrl *ctrl); |
165 | |
166 | /* from saa7146_vbi.c */ |
167 | extern const struct saa7146_use_ops saa7146_vbi_uops; |
168 | extern const struct vb2_ops vbi_qops; |
169 | |
170 | /* resource management functions */ |
171 | int saa7146_res_get(struct saa7146_dev *dev, unsigned int bit); |
172 | void saa7146_res_free(struct saa7146_dev *dev, unsigned int bits); |
173 | |
174 | #define RESOURCE_DMA1_HPS 0x1 |
175 | #define RESOURCE_DMA2_CLP 0x2 |
176 | #define RESOURCE_DMA3_BRS 0x4 |
177 | |
178 | /* saa7146 source inputs */ |
179 | #define SAA7146_HPS_SOURCE_PORT_A 0x00 |
180 | #define SAA7146_HPS_SOURCE_PORT_B 0x01 |
181 | #define SAA7146_HPS_SOURCE_YPB_CPA 0x02 |
182 | #define SAA7146_HPS_SOURCE_YPA_CPB 0x03 |
183 | |
184 | /* sync inputs */ |
185 | #define SAA7146_HPS_SYNC_PORT_A 0x00 |
186 | #define SAA7146_HPS_SYNC_PORT_B 0x01 |
187 | |
188 | /* some memory sizes */ |
189 | /* max. 16 clipping rectangles */ |
190 | #define SAA7146_CLIPPING_MEM (16 * 4 * sizeof(u32)) |
191 | |
192 | /* some defines for the various clipping-modes */ |
193 | #define SAA7146_CLIPPING_RECT 0x4 |
194 | #define SAA7146_CLIPPING_RECT_INVERTED 0x5 |
195 | #define SAA7146_CLIPPING_MASK 0x6 |
196 | #define SAA7146_CLIPPING_MASK_INVERTED 0x7 |
197 | |
198 | /* output formats: each entry holds four information */ |
199 | #define RGB08_COMPOSED 0x0217 /* composed is used in the sense of "not-planar" */ |
200 | /* this means: planar?=0, yuv2rgb-conversation-mode=2, dither=yes(=1), format-mode = 7 */ |
201 | #define RGB15_COMPOSED 0x0213 |
202 | #define RGB16_COMPOSED 0x0210 |
203 | #define RGB24_COMPOSED 0x0201 |
204 | #define RGB32_COMPOSED 0x0202 |
205 | |
206 | #define Y8 0x0006 |
207 | #define YUV411_COMPOSED 0x0003 |
208 | #define YUV422_COMPOSED 0x0000 |
209 | /* this means: planar?=1, yuv2rgb-conversion-mode=0, dither=no(=0), format-mode = b */ |
210 | #define YUV411_DECOMPOSED 0x100b |
211 | #define YUV422_DECOMPOSED 0x1009 |
212 | #define YUV420_DECOMPOSED 0x100a |
213 | |
214 | #define IS_PLANAR(x) (x & 0xf000) |
215 | |
216 | /* misc defines */ |
217 | #define SAA7146_NO_SWAP (0x0) |
218 | #define SAA7146_TWO_BYTE_SWAP (0x1) |
219 | #define SAA7146_FOUR_BYTE_SWAP (0x2) |
220 | |
221 | #endif |
222 | |