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
11#define BUFFER_TIMEOUT (HZ/2)
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
21struct 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
33struct saa7146_format {
34 char *name;
35 u32 pixelformat;
36 u32 trans;
37 u8 depth;
38 u8 flags;
39 u8 swap;
40};
41
42struct saa7146_standard
43{
44 char *name;
45 v4l2_std_id id;
46
47 int v_offset;
48 int v_field;
49
50 int h_offset;
51 int h_pixels;
52
53 int v_max_out;
54 int h_max_out;
55};
56
57
58struct saa7146_buf {
59
60 struct videobuf_buffer vb;
61
62
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
69 struct saa7146_pgtable pt[3];
70};
71
72struct saa7146_dmaqueue {
73 struct saa7146_dev *dev;
74 struct saa7146_buf *curr;
75 struct list_head queue;
76 struct timer_list timeout;
77};
78
79struct saa7146_overlay {
80 struct saa7146_fh *fh;
81 struct v4l2_window win;
82 struct v4l2_clip clips[16];
83 int nclips;
84};
85
86
87struct saa7146_fh {
88
89 struct v4l2_fh fh;
90 struct saa7146_dev *dev;
91
92
93 struct videobuf_queue video_q;
94
95
96 struct videobuf_queue vbi_q;
97
98 unsigned int resources;
99};
100
101#define STATUS_OVERLAY 0x01
102#define STATUS_CAPTURE 0x02
103
104struct saa7146_vv
105{
106
107 struct saa7146_dmaqueue vbi_dmaq;
108 struct v4l2_vbi_format vbi_fmt;
109 struct timer_list vbi_read_timeout;
110
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
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
125 struct saa7146_dmaqueue video_dmaq;
126 struct v4l2_pix_format video_fmt;
127 enum v4l2_field last_field;
128
129
130
131
132
133
134
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;
143
144 unsigned int resources;
145};
146
147
148#define SAA7146_USE_PORT_B_FOR_VBI 0x2
149
150struct saa7146_ext_vv
151{
152
153 int inputs;
154 int audios;
155 u32 capabilities;
156 int flags;
157
158
159 struct saa7146_standard *stds;
160 int num_stds;
161 int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *);
162
163
164 struct v4l2_ioctl_ops vid_ops;
165 struct v4l2_ioctl_ops vbi_ops;
166
167 const struct v4l2_ioctl_ops *core_ops;
168
169 struct v4l2_file_operations vbi_fops;
170};
171
172struct 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
181int saa7146_register_device(struct video_device *vid, struct saa7146_dev *dev, char *name, int type);
182int saa7146_unregister_device(struct video_device *vid, struct saa7146_dev *dev);
183void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, int state);
184void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi);
185int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf);
186void saa7146_buffer_timeout(unsigned long data);
187void saa7146_dma_free(struct saa7146_dev* dev,struct videobuf_queue *q,
188 struct saa7146_buf *buf);
189
190int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv);
191int saa7146_vv_release(struct saa7146_dev* dev);
192
193
194int saa7146_enable_overlay(struct saa7146_fh *fh);
195void saa7146_disable_overlay(struct saa7146_fh *fh);
196
197void saa7146_set_capture(struct saa7146_dev *dev, struct saa7146_buf *buf, struct saa7146_buf *next);
198void saa7146_write_out_dma(struct saa7146_dev* dev, int which, struct saa7146_video_dma* vdma) ;
199void saa7146_set_hps_source_and_sync(struct saa7146_dev *saa, int source, int sync);
200void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data);
201
202
203extern const struct v4l2_ioctl_ops saa7146_video_ioctl_ops;
204extern const struct v4l2_ioctl_ops saa7146_vbi_ioctl_ops;
205extern struct saa7146_use_ops saa7146_video_uops;
206int saa7146_start_preview(struct saa7146_fh *fh);
207int saa7146_stop_preview(struct saa7146_fh *fh);
208long saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg);
209int saa7146_s_ctrl(struct v4l2_ctrl *ctrl);
210
211
212extern struct saa7146_use_ops saa7146_vbi_uops;
213
214
215int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit);
216void 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
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
229#define SAA7146_HPS_SYNC_PORT_A 0x00
230#define SAA7146_HPS_SYNC_PORT_B 0x01
231
232
233
234#define SAA7146_CLIPPING_MEM (16 * 4 * sizeof(u32))
235
236
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
243#define RGB08_COMPOSED 0x0217
244
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
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
261#define SAA7146_NO_SWAP (0x0)
262#define SAA7146_TWO_BYTE_SWAP (0x1)
263#define SAA7146_FOUR_BYTE_SWAP (0x2)
264
265#endif
266