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-rw-r--r--drivers/media/video/bt8xx/bttvp.h411
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diff --git a/drivers/media/video/bt8xx/bttvp.h b/drivers/media/video/bt8xx/bttvp.h
new file mode 100644
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1/*
2
3 bttv - Bt848 frame grabber driver
4
5 bttv's *private* header file -- nobody other than bttv itself
6 should ever include this file.
7
8 (c) 2000-2002 Gerd Knorr <kraxel@bytesex.org>
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23*/
24
25#ifndef _BTTVP_H_
26#define _BTTVP_H_
27
28#include <linux/version.h>
29#define BTTV_VERSION_CODE KERNEL_VERSION(0,9,16)
30
31#include <linux/types.h>
32#include <linux/wait.h>
33#include <linux/i2c.h>
34#include <linux/i2c-algo-bit.h>
35#include <linux/videodev.h>
36#include <linux/pci.h>
37#include <linux/input.h>
38#include <linux/mutex.h>
39#include <asm/scatterlist.h>
40#include <asm/io.h>
41
42#include <linux/device.h>
43#include <media/video-buf.h>
44#include <media/audiochip.h>
45#include <media/tuner.h>
46#include <media/tveeprom.h>
47#include <media/ir-common.h>
48
49
50#include "bt848.h"
51#include "bttv.h"
52#include "btcx-risc.h"
53
54#ifdef __KERNEL__
55
56#define FORMAT_FLAGS_DITHER 0x01
57#define FORMAT_FLAGS_PACKED 0x02
58#define FORMAT_FLAGS_PLANAR 0x04
59#define FORMAT_FLAGS_RAW 0x08
60#define FORMAT_FLAGS_CrCb 0x10
61
62#define RISC_SLOT_O_VBI 4
63#define RISC_SLOT_O_FIELD 6
64#define RISC_SLOT_E_VBI 10
65#define RISC_SLOT_E_FIELD 12
66#define RISC_SLOT_LOOP 14
67
68#define RESOURCE_OVERLAY 1
69#define RESOURCE_VIDEO 2
70#define RESOURCE_VBI 4
71
72#define RAW_LINES 640
73#define RAW_BPL 1024
74
75#define UNSET (-1U)
76
77#define clamp(x, low, high) min (max (low, x), high)
78
79/* ---------------------------------------------------------- */
80
81struct bttv_tvnorm {
82 int v4l2_id;
83 char *name;
84 u32 Fsc;
85 u16 swidth, sheight; /* scaled standard width, height */
86 u16 totalwidth;
87 u8 adelay, bdelay, iform;
88 u32 scaledtwidth;
89 u16 hdelayx1, hactivex1;
90 u16 vdelay;
91 u8 vbipack;
92 u16 vtotal;
93 int sram;
94 /* ITU-R frame line number of the first VBI line we can
95 capture, of the first and second field. */
96 u16 vbistart[2];
97};
98extern const struct bttv_tvnorm bttv_tvnorms[];
99
100struct bttv_format {
101 char *name;
102 int palette; /* video4linux 1 */
103 int fourcc; /* video4linux 2 */
104 int btformat; /* BT848_COLOR_FMT_* */
105 int btswap; /* BT848_COLOR_CTL_* */
106 int depth; /* bit/pixel */
107 int flags;
108 int hshift,vshift; /* for planar modes */
109};
110
111/* ---------------------------------------------------------- */
112
113struct bttv_geometry {
114 u8 vtc,crop,comb;
115 u16 width,hscale,hdelay;
116 u16 sheight,vscale,vdelay,vtotal;
117};
118
119struct bttv_buffer {
120 /* common v4l buffer stuff -- must be first */
121 struct videobuf_buffer vb;
122
123 /* bttv specific */
124 const struct bttv_format *fmt;
125 int tvnorm;
126 int btformat;
127 int btswap;
128 struct bttv_geometry geo;
129 struct btcx_riscmem top;
130 struct btcx_riscmem bottom;
131};
132
133struct bttv_buffer_set {
134 struct bttv_buffer *top; /* top field buffer */
135 struct bttv_buffer *bottom; /* bottom field buffer */
136 unsigned int top_irq;
137 unsigned int frame_irq;
138};
139
140struct bttv_overlay {
141 int tvnorm;
142 struct v4l2_rect w;
143 enum v4l2_field field;
144 struct v4l2_clip *clips;
145 int nclips;
146 int setup_ok;
147};
148
149struct bttv_fh {
150 struct bttv *btv;
151 int resources;
152#ifdef VIDIOC_G_PRIORITY
153 enum v4l2_priority prio;
154#endif
155 enum v4l2_buf_type type;
156
157 /* video capture */
158 struct videobuf_queue cap;
159 const struct bttv_format *fmt;
160 int width;
161 int height;
162
163 /* current settings */
164 const struct bttv_format *ovfmt;
165 struct bttv_overlay ov;
166
167 /* video overlay */
168 struct videobuf_queue vbi;
169 int lines;
170};
171
172/* ---------------------------------------------------------- */
173/* bttv-risc.c */
174
175/* risc code generators - capture */
176int bttv_risc_packed(struct bttv *btv, struct btcx_riscmem *risc,
177 struct scatterlist *sglist,
178 unsigned int offset, unsigned int bpl,
179 unsigned int pitch, unsigned int lines);
180
181/* control dma register + risc main loop */
182void bttv_set_dma(struct bttv *btv, int override);
183int bttv_risc_init_main(struct bttv *btv);
184int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc,
185 int irqflags);
186
187/* capture buffer handling */
188int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
189int bttv_buffer_activate_video(struct bttv *btv,
190 struct bttv_buffer_set *set);
191int bttv_buffer_activate_vbi(struct bttv *btv,
192 struct bttv_buffer *vbi);
193void bttv_dma_free(struct videobuf_queue *q, struct bttv *btv,
194 struct bttv_buffer *buf);
195
196/* overlay handling */
197int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov,
198 const struct bttv_format *fmt,
199 struct bttv_buffer *buf);
200
201
202/* ---------------------------------------------------------- */
203/* bttv-vbi.c */
204
205void bttv_vbi_try_fmt(struct bttv_fh *fh, struct v4l2_format *f);
206void bttv_vbi_get_fmt(struct bttv_fh *fh, struct v4l2_format *f);
207void bttv_vbi_setlines(struct bttv_fh *fh, struct bttv *btv, int lines);
208
209extern struct videobuf_queue_ops bttv_vbi_qops;
210
211/* ---------------------------------------------------------- */
212/* bttv-gpio.c */
213
214
215extern struct bus_type bttv_sub_bus_type;
216int bttv_sub_add_device(struct bttv_core *core, char *name);
217int bttv_sub_del_devices(struct bttv_core *core);
218void bttv_gpio_irq(struct bttv_core *core);
219
220
221/* ---------------------------------------------------------- */
222/* bttv-driver.c */
223
224/* insmod options */
225extern unsigned int bttv_verbose;
226extern unsigned int bttv_debug;
227extern unsigned int bttv_gpio;
228extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
229extern int init_bttv_i2c(struct bttv *btv);
230extern int fini_bttv_i2c(struct bttv *btv);
231
232#define bttv_printk if (bttv_verbose) printk
233#define dprintk if (bttv_debug >= 1) printk
234#define d2printk if (bttv_debug >= 2) printk
235
236#define BTTV_MAX_FBUF 0x208000
237#define VBIBUF_SIZE (2048*VBI_MAXLINES*2)
238#define BTTV_TIMEOUT (HZ/2) /* 0.5 seconds */
239#define BTTV_FREE_IDLE (HZ) /* one second */
240
241
242struct bttv_pll_info {
243 unsigned int pll_ifreq; /* PLL input frequency */
244 unsigned int pll_ofreq; /* PLL output frequency */
245 unsigned int pll_crystal; /* Crystal used for input */
246 unsigned int pll_current; /* Currently programmed ofreq */
247};
248
249/* for gpio-connected remote control */
250struct bttv_input {
251 struct input_dev *dev;
252 struct ir_input_state ir;
253 char name[32];
254 char phys[32];
255 u32 mask_keycode;
256 u32 mask_keydown;
257};
258
259struct bttv_suspend_state {
260 u32 gpio_enable;
261 u32 gpio_data;
262 int disabled;
263 int loop_irq;
264 struct bttv_buffer_set video;
265 struct bttv_buffer *vbi;
266};
267
268struct bttv {
269 struct bttv_core c;
270
271 /* pci device config */
272 unsigned short id;
273 unsigned char revision;
274 unsigned char __iomem *bt848_mmio; /* pointer to mmio */
275
276 /* card configuration info */
277 unsigned int cardid; /* pci subsystem id (bt878 based ones) */
278 unsigned int tuner_type; /* tuner chip type */
279 unsigned int tda9887_conf;
280 unsigned int svhs;
281 struct bttv_pll_info pll;
282 int triton1;
283 int gpioirq;
284 int (*custom_irq)(struct bttv *btv);
285
286 int use_i2c_hw;
287
288 /* old gpio interface */
289 wait_queue_head_t gpioq;
290 int shutdown;
291 void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);
292
293 /* new gpio interface */
294 spinlock_t gpio_lock;
295
296 /* i2c layer */
297 struct i2c_algo_bit_data i2c_algo;
298 struct i2c_client i2c_client;
299 int i2c_state, i2c_rc;
300 int i2c_done;
301 wait_queue_head_t i2c_queue;
302
303 /* video4linux (1) */
304 struct video_device *video_dev;
305 struct video_device *radio_dev;
306 struct video_device *vbi_dev;
307
308 /* infrared remote */
309 int has_remote;
310 struct bttv_ir *remote;
311
312 /* locking */
313 spinlock_t s_lock;
314 struct mutex lock;
315 int resources;
316 struct mutex reslock;
317#ifdef VIDIOC_G_PRIORITY
318 struct v4l2_prio_state prio;
319#endif
320
321 /* video state */
322 unsigned int input;
323 unsigned int audio;
324 unsigned long freq;
325 int tvnorm,hue,contrast,bright,saturation;
326 struct v4l2_framebuffer fbuf;
327 unsigned int field_count;
328
329 /* various options */
330 int opt_combfilter;
331 int opt_lumafilter;
332 int opt_automute;
333 int opt_chroma_agc;
334 int opt_adc_crush;
335 int opt_vcr_hack;
336 int opt_whitecrush_upper;
337 int opt_whitecrush_lower;
338 int opt_uv_ratio;
339 int opt_full_luma_range;
340 int opt_coring;
341
342 /* radio data/state */
343 int has_radio;
344 int radio_user;
345
346 /* miro/pinnacle + Aimslab VHX
347 philips matchbox (tea5757 radio tuner) support */
348 int has_matchbox;
349 int mbox_we;
350 int mbox_data;
351 int mbox_clk;
352 int mbox_most;
353 int mbox_mask;
354
355 /* ISA stuff (Terratec Active Radio Upgrade) */
356 int mbox_ior;
357 int mbox_iow;
358 int mbox_csel;
359
360 /* risc memory management data
361 - must aquire s_lock before changing these
362 - only the irq handler is supported to touch top + bottom + vcurr */
363 struct btcx_riscmem main;
364 struct bttv_buffer *screen; /* overlay */
365 struct list_head capture; /* video capture queue */
366 struct list_head vcapture; /* vbi capture queue */
367 struct bttv_buffer_set curr; /* active buffers */
368 struct bttv_buffer *cvbi; /* active vbi buffer */
369 int loop_irq;
370 int new_input;
371
372 unsigned long cap_ctl;
373 unsigned long dma_on;
374 struct timer_list timeout;
375 struct bttv_suspend_state state;
376
377 /* stats */
378 unsigned int errors;
379 unsigned int framedrop;
380 unsigned int irq_total;
381 unsigned int irq_me;
382
383 unsigned int users;
384 struct bttv_fh init;
385};
386
387/* our devices */
388#define BTTV_MAX 16
389extern unsigned int bttv_num;
390extern struct bttv bttvs[BTTV_MAX];
391
392/* private ioctls */
393#define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
394#define BTTV_VBISIZE _IOR('v' , BASE_VIDIOCPRIVATE+8, int)
395
396#endif
397
398#define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
399#define btread(adr) readl(btv->bt848_mmio+(adr))
400
401#define btand(dat,adr) btwrite((dat) & btread(adr), adr)
402#define btor(dat,adr) btwrite((dat) | btread(adr), adr)
403#define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
404
405#endif /* _BTTVP_H_ */
406
407/*
408 * Local variables:
409 * c-basic-offset: 8
410 * End:
411 */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-29 04:45:49 -0500