Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...
[linux-2.6.git] / include / media / saa7146_vv.h
blob944ecdf3530fc6ef28329465375931e9866f02fe
1 #ifndef __SAA7146_VV__
2 #define __SAA7146_VV__
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>
10 #define MAX_SAA7146_CAPTURE_BUFFERS 32 /* arbitrary */
11 #define BUFFER_TIMEOUT (HZ/2) /* 0.5 seconds */
13 #define WRITE_RPS0(x) do { \
14 dev->d_rps0.cpu_addr[ count++ ] = cpu_to_le32(x); \
15 } while (0);
17 #define WRITE_RPS1(x) do { \
18 dev->d_rps1.cpu_addr[ count++ ] = cpu_to_le32(x); \
19 } while (0);
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;
30 #define FORMAT_BYTE_SWAP 0x1
31 #define FORMAT_IS_PLANAR 0x2
33 struct saa7146_format {
34 char *name;
35 u32 pixelformat;
36 u32 trans;
37 u8 depth;
38 u8 flags;
39 u8 swap;
42 struct saa7146_standard
44 char *name;
45 v4l2_std_id id;
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 */
50 int h_offset; /* horizontal offset of processing window */
51 int h_pixels; /* number of horizontal pixels to process */
53 int v_max_out;
54 int h_max_out;
57 /* buffer for one video/vbi frame */
58 struct saa7146_buf {
59 /* common v4l buffer stuff -- must be first */
60 struct videobuf_buffer vb;
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);
68 /* page tables */
69 struct saa7146_pgtable pt[3];
72 struct saa7146_dmaqueue {
73 struct saa7146_dev *dev;
74 struct saa7146_buf *curr;
75 struct list_head queue;
76 struct timer_list timeout;
79 struct saa7146_overlay {
80 struct saa7146_fh *fh;
81 struct v4l2_window win;
82 struct v4l2_clip clips[16];
83 int nclips;
86 /* per open data */
87 struct saa7146_fh {
88 /* Must be the first field! */
89 struct v4l2_fh fh;
90 struct saa7146_dev *dev;
92 /* video capture */
93 struct videobuf_queue video_q;
95 /* vbi capture */
96 struct videobuf_queue vbi_q;
98 unsigned int resources; /* resource management for device open */
101 #define STATUS_OVERLAY 0x01
102 #define STATUS_CAPTURE 0x02
104 struct saa7146_vv
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;
115 int video_status;
116 struct saa7146_fh *video_fh;
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;
124 /* video capture */
125 struct saa7146_dmaqueue video_dmaq;
126 struct v4l2_pix_format video_fmt;
127 enum v4l2_field last_field;
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;
137 int vflip;
138 int hflip;
139 int current_hps_source;
140 int current_hps_sync;
142 struct saa7146_dma d_clipping; /* pointer to clipping memory */
144 unsigned int resources; /* resource management for device */
147 /* flags */
148 #define SAA7146_USE_PORT_B_FOR_VBI 0x2 /* use input port b for vbi hardware bug workaround */
150 struct saa7146_ext_vv
152 /* informations about the video capabilities of the device */
153 int inputs;
154 int audios;
155 u32 capabilities;
156 int flags;
158 /* additionally supported transmission standards */
159 struct saa7146_standard *stds;
160 int num_stds;
161 int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *);
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;
169 struct v4l2_file_operations vbi_fops;
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 *);
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);
190 int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv);
191 int saa7146_vv_release(struct saa7146_dev* dev);
193 /* from saa7146_hlp.c */
194 int saa7146_enable_overlay(struct saa7146_fh *fh);
195 void saa7146_disable_overlay(struct saa7146_fh *fh);
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);
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);
211 /* from saa7146_vbi.c */
212 extern struct saa7146_use_ops saa7146_vbi_uops;
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);
218 #define RESOURCE_DMA1_HPS 0x1
219 #define RESOURCE_DMA2_CLP 0x2
220 #define RESOURCE_DMA3_BRS 0x4
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
228 /* sync inputs */
229 #define SAA7146_HPS_SYNC_PORT_A 0x00
230 #define SAA7146_HPS_SYNC_PORT_B 0x01
232 /* some memory sizes */
233 /* max. 16 clipping rectangles */
234 #define SAA7146_CLIPPING_MEM (16 * 4 * sizeof(u32))
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
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
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
258 #define IS_PLANAR(x) (x & 0xf000)
260 /* misc defines */
261 #define SAA7146_NO_SWAP (0x0)
262 #define SAA7146_TWO_BYTE_SWAP (0x1)
263 #define SAA7146_FOUR_BYTE_SWAP (0x2)
265 #endif