bttvp.h (976e3645923bdd2fe7893aae33fd7a21098bfb28) bttvp.h (3c161e82dfbd3ee67a1548691412d04d04ad6a37)
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3
4 bttv - Bt848 frame grabber driver
5
6 bttv's *private* header file -- nobody other than bttv itself
7 should ever include this file.
8

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45#define FORMAT_FLAGS_CrCb 0x10
46
47#define RISC_SLOT_O_VBI 4
48#define RISC_SLOT_O_FIELD 6
49#define RISC_SLOT_E_VBI 10
50#define RISC_SLOT_E_FIELD 12
51#define RISC_SLOT_LOOP 14
52
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3
4 bttv - Bt848 frame grabber driver
5
6 bttv's *private* header file -- nobody other than bttv itself
7 should ever include this file.
8

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45#define FORMAT_FLAGS_CrCb 0x10
46
47#define RISC_SLOT_O_VBI 4
48#define RISC_SLOT_O_FIELD 6
49#define RISC_SLOT_E_VBI 10
50#define RISC_SLOT_E_FIELD 12
51#define RISC_SLOT_LOOP 14
52
53#define RESOURCE_OVERLAY 1
54#define RESOURCE_VIDEO_STREAM 2
55#define RESOURCE_VBI 4
56#define RESOURCE_VIDEO_READ 8
57
58#define RAW_LINES 640
59#define RAW_BPL 1024
60
61#define UNSET (-1U)

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160
161struct bttv_buffer_set {
162 struct bttv_buffer *top; /* top field buffer */
163 struct bttv_buffer *bottom; /* bottom field buffer */
164 unsigned int top_irq;
165 unsigned int frame_irq;
166};
167
53#define RESOURCE_VIDEO_STREAM 2
54#define RESOURCE_VBI 4
55#define RESOURCE_VIDEO_READ 8
56
57#define RAW_LINES 640
58#define RAW_BPL 1024
59
60#define UNSET (-1U)

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159
160struct bttv_buffer_set {
161 struct bttv_buffer *top; /* top field buffer */
162 struct bttv_buffer *bottom; /* bottom field buffer */
163 unsigned int top_irq;
164 unsigned int frame_irq;
165};
166
168struct bttv_overlay {
169 unsigned int tvnorm;
170 struct v4l2_rect w;
171 enum v4l2_field field;
172 struct v4l2_clip *clips;
173 int nclips;
174 int setup_ok;
175};
176
177struct bttv_vbi_fmt {
178 struct v4l2_vbi_format fmt;
179
180 /* fmt.start[] and count[] refer to this video standard. */
181 const struct bttv_tvnorm *tvnorm;
182
183 /* Earliest possible start of video capturing with this
184 v4l2_vbi_format, in struct bttv_crop.rect units. */

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211 enum v4l2_buf_type type;
212
213 /* video capture */
214 struct videobuf_queue cap;
215 const struct bttv_format *fmt;
216 int width;
217 int height;
218
167struct bttv_vbi_fmt {
168 struct v4l2_vbi_format fmt;
169
170 /* fmt.start[] and count[] refer to this video standard. */
171 const struct bttv_tvnorm *tvnorm;
172
173 /* Earliest possible start of video capturing with this
174 v4l2_vbi_format, in struct bttv_crop.rect units. */

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201 enum v4l2_buf_type type;
202
203 /* video capture */
204 struct videobuf_queue cap;
205 const struct bttv_format *fmt;
206 int width;
207 int height;
208
219 /* video overlay */
220 const struct bttv_format *ovfmt;
221 struct bttv_overlay ov;
222
223 /* Application called VIDIOC_S_SELECTION. */
224 int do_crop;
225
226 /* vbi capture */
227 struct videobuf_queue vbi;
228 /* Current VBI capture window as seen through this fh (cannot
229 be global for compatibility with earlier drivers). Protected
230 by struct bttv.lock and struct bttv_fh.vbi.lock. */

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251int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
252int bttv_buffer_activate_video(struct bttv *btv,
253 struct bttv_buffer_set *set);
254int bttv_buffer_activate_vbi(struct bttv *btv,
255 struct bttv_buffer *vbi);
256void bttv_dma_free(struct videobuf_queue *q, struct bttv *btv,
257 struct bttv_buffer *buf);
258
209 /* Application called VIDIOC_S_SELECTION. */
210 int do_crop;
211
212 /* vbi capture */
213 struct videobuf_queue vbi;
214 /* Current VBI capture window as seen through this fh (cannot
215 be global for compatibility with earlier drivers). Protected
216 by struct bttv.lock and struct bttv_fh.vbi.lock. */

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237int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
238int bttv_buffer_activate_video(struct bttv *btv,
239 struct bttv_buffer_set *set);
240int bttv_buffer_activate_vbi(struct bttv *btv,
241 struct bttv_buffer *vbi);
242void bttv_dma_free(struct videobuf_queue *q, struct bttv *btv,
243 struct bttv_buffer *buf);
244
259/* overlay handling */
260int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov,
261 const struct bttv_format *fmt,
262 struct bttv_buffer *buf);
263
264
265/* ---------------------------------------------------------- */
266/* bttv-vbi.c */
267
268int bttv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
269int bttv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
270int bttv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
271
272extern const struct videobuf_queue_ops bttv_vbi_qops;
273
274/* ---------------------------------------------------------- */
275/* bttv-gpio.c */
276
277extern struct bus_type bttv_sub_bus_type;
278int bttv_sub_add_device(struct bttv_core *core, char *name);
279int bttv_sub_del_devices(struct bttv_core *core);
280
281/* ---------------------------------------------------------- */
245/* ---------------------------------------------------------- */
246/* bttv-vbi.c */
247
248int bttv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
249int bttv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
250int bttv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
251
252extern const struct videobuf_queue_ops bttv_vbi_qops;
253
254/* ---------------------------------------------------------- */
255/* bttv-gpio.c */
256
257extern struct bus_type bttv_sub_bus_type;
258int bttv_sub_add_device(struct bttv_core *core, char *name);
259int bttv_sub_del_devices(struct bttv_core *core);
260
261/* ---------------------------------------------------------- */
282/* bttv-cards.c */
283
284extern int no_overlay;
285
286/* ---------------------------------------------------------- */
287/* bttv-input.c */
288
289extern void init_bttv_i2c_ir(struct bttv *btv);
290
291/* ---------------------------------------------------------- */
292/* bttv-i2c.c */
293extern int init_bttv_i2c(struct bttv *btv);
294extern int fini_bttv_i2c(struct bttv *btv);

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449
450 /* switch status for multi-controller cards */
451 char sw_status[4];
452
453 /* risc memory management data
454 - must acquire s_lock before changing these
455 - only the irq handler is supported to touch top + bottom + vcurr */
456 struct btcx_riscmem main;
262/* bttv-input.c */
263
264extern void init_bttv_i2c_ir(struct bttv *btv);
265
266/* ---------------------------------------------------------- */
267/* bttv-i2c.c */
268extern int init_bttv_i2c(struct bttv *btv);
269extern int fini_bttv_i2c(struct bttv *btv);

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424
425 /* switch status for multi-controller cards */
426 char sw_status[4];
427
428 /* risc memory management data
429 - must acquire s_lock before changing these
430 - only the irq handler is supported to touch top + bottom + vcurr */
431 struct btcx_riscmem main;
457 struct bttv_buffer *screen; /* overlay */
458 struct list_head capture; /* video capture queue */
459 struct list_head vcapture; /* vbi capture queue */
460 struct bttv_buffer_set curr; /* active buffers */
461 struct bttv_buffer *cvbi; /* active vbi buffer */
462 int loop_irq;
463 int new_input;
464
465 unsigned long cap_ctl;

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474 unsigned int irq_me;
475
476 unsigned int users;
477 struct bttv_fh init;
478
479 /* used to make dvb-bt8xx autoloadable */
480 struct work_struct request_module_wk;
481
432 struct list_head capture; /* video capture queue */
433 struct list_head vcapture; /* vbi capture queue */
434 struct bttv_buffer_set curr; /* active buffers */
435 struct bttv_buffer *cvbi; /* active vbi buffer */
436 int loop_irq;
437 int new_input;
438
439 unsigned long cap_ctl;

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448 unsigned int irq_me;
449
450 unsigned int users;
451 struct bttv_fh init;
452
453 /* used to make dvb-bt8xx autoloadable */
454 struct work_struct request_module_wk;
455
482 /* Default (0) and current (1) video capturing and overlay
456 /* Default (0) and current (1) video capturing
483 cropping parameters in bttv_tvnorm.cropcap units. Protected
484 by bttv.lock. */
485 struct bttv_crop crop[2];
486
487 /* Earliest possible start of video capturing in
488 bttv_tvnorm.cropcap line units. Set by check_alloc_btres()
489 and free_btres(). Protected by bttv.lock. */
490 __s32 vbi_end;

--- 33 unchanged lines hidden --- 		457 cropping parameters in bttv_tvnorm.cropcap units. Protected
458 by bttv.lock. */
459 struct bttv_crop crop[2];
460
461 /* Earliest possible start of video capturing in
462 bttv_tvnorm.cropcap line units. Set by check_alloc_btres()
463 and free_btres(). Protected by bttv.lock. */
464 __s32 vbi_end;

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