tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 $Id: bttvp.h,v 1.21 2005/07/15 21:44:14 mchehab Exp $
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
9 (c) 2000-2002 Gerd Knorr <kraxel@bytesex.org>
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24*/
25
26#ifndef _BTTVP_H_
27#define _BTTVP_H_
28
29#include <linux/version.h>
30#define BTTV_VERSION_CODE KERNEL_VERSION(0,9,16)
31
32#include <linux/types.h>
33#include <linux/wait.h>
34#include <linux/i2c.h>
35#include <linux/i2c-algo-bit.h>
36#include <linux/videodev.h>
37#include <linux/pci.h>
38#include <linux/input.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#include "bt848.h"
50#include "bttv.h"
51#include "btcx-risc.h"
52
53#ifdef __KERNEL__
54
55#define FORMAT_FLAGS_DITHER 0x01
56#define FORMAT_FLAGS_PACKED 0x02
57#define FORMAT_FLAGS_PLANAR 0x04
58#define FORMAT_FLAGS_RAW 0x08
59#define FORMAT_FLAGS_CrCb 0x10
60
61#define RISC_SLOT_O_VBI 4
62#define RISC_SLOT_O_FIELD 6
63#define RISC_SLOT_E_VBI 10
64#define RISC_SLOT_E_FIELD 12
65#define RISC_SLOT_LOOP 14
66
67#define RESOURCE_OVERLAY 1
68#define RESOURCE_VIDEO 2
69#define RESOURCE_VBI 4
70
71#define RAW_LINES 640
72#define RAW_BPL 1024
73
74#define UNSET (-1U)
75
76/* ---------------------------------------------------------- */
77
78struct bttv_tvnorm {
79 int v4l2_id;
80 char *name;
81 u32 Fsc;
82 u16 swidth, sheight; /* scaled standard width, height */
83 u16 totalwidth;
84 u8 adelay, bdelay, iform;
85 u32 scaledtwidth;
86 u16 hdelayx1, hactivex1;
87 u16 vdelay;
88 u8 vbipack;
89 u16 vtotal;
90 int sram;
91};
92extern const struct bttv_tvnorm bttv_tvnorms[];
93
94struct bttv_format {
95 char *name;
96 int palette; /* video4linux 1 */
97 int fourcc; /* video4linux 2 */
98 int btformat; /* BT848_COLOR_FMT_* */
99 int btswap; /* BT848_COLOR_CTL_* */
100 int depth; /* bit/pixel */
101 int flags;
102 int hshift,vshift; /* for planar modes */
103};
104
105/* ---------------------------------------------------------- */
106
107struct bttv_geometry {
108 u8 vtc,crop,comb;
109 u16 width,hscale,hdelay;
110 u16 sheight,vscale,vdelay,vtotal;
111};
112
113struct bttv_buffer {
114 /* common v4l buffer stuff -- must be first */
115 struct videobuf_buffer vb;
116
117 /* bttv specific */
118 const struct bttv_format *fmt;
119 int tvnorm;
120 int btformat;
121 int btswap;
122 struct bttv_geometry geo;
123 struct btcx_riscmem top;
124 struct btcx_riscmem bottom;
125};
126
127struct bttv_buffer_set {
128 struct bttv_buffer *top; /* top field buffer */
129 struct bttv_buffer *bottom; /* bottom field buffer */
130 unsigned int top_irq;
131 unsigned int frame_irq;
132};
133
134struct bttv_overlay {
135 int tvnorm;
136 struct v4l2_rect w;
137 enum v4l2_field field;
138 struct v4l2_clip *clips;
139 int nclips;
140 int setup_ok;
141};
142
143struct bttv_fh {
144 struct bttv *btv;
145 int resources;
146#ifdef VIDIOC_G_PRIORITY
147 enum v4l2_priority prio;
148#endif
149 enum v4l2_buf_type type;
150
151 /* video capture */
152 struct videobuf_queue cap;
153 const struct bttv_format *fmt;
154 int width;
155 int height;
156
157 /* current settings */
158 const struct bttv_format *ovfmt;
159 struct bttv_overlay ov;
160
161 /* video overlay */
162 struct videobuf_queue vbi;
163 int lines;
164};
165
166/* ---------------------------------------------------------- */
167/* bttv-risc.c */
168
169/* risc code generators - capture */
170int bttv_risc_packed(struct bttv *btv, struct btcx_riscmem *risc,
171 struct scatterlist *sglist,
172 unsigned int offset, unsigned int bpl,
173 unsigned int pitch, unsigned int lines);
174
175/* control dma register + risc main loop */
176void bttv_set_dma(struct bttv *btv, int override);
177int bttv_risc_init_main(struct bttv *btv);
178int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc,
179 int irqflags);
180
181/* capture buffer handling */
182int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
183int bttv_buffer_activate_video(struct bttv *btv,
184 struct bttv_buffer_set *set);
185int bttv_buffer_activate_vbi(struct bttv *btv,
186 struct bttv_buffer *vbi);
187void bttv_dma_free(struct bttv *btv, struct bttv_buffer *buf);
188
189/* overlay handling */
190int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov,
191 const struct bttv_format *fmt,
192 struct bttv_buffer *buf);
193
194
195/* ---------------------------------------------------------- */
196/* bttv-vbi.c */
197
198void bttv_vbi_try_fmt(struct bttv_fh *fh, struct v4l2_format *f);
199void bttv_vbi_get_fmt(struct bttv_fh *fh, struct v4l2_format *f);
200void bttv_vbi_setlines(struct bttv_fh *fh, struct bttv *btv, int lines);
201
202extern struct videobuf_queue_ops bttv_vbi_qops;
203
204/* ---------------------------------------------------------- */
205/* bttv-gpio.c */
206
207
208extern struct bus_type bttv_sub_bus_type;
209int bttv_sub_add_device(struct bttv_core *core, char *name);
210int bttv_sub_del_devices(struct bttv_core *core);
211void bttv_gpio_irq(struct bttv_core *core);
212
213
214/* ---------------------------------------------------------- */
215/* bttv-driver.c */
216
217/* insmod options */
218extern unsigned int bttv_verbose;
219extern unsigned int bttv_debug;
220extern unsigned int bttv_gpio;
221extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
222extern int init_bttv_i2c(struct bttv *btv);
223extern int fini_bttv_i2c(struct bttv *btv);
224
225#define vprintk if (bttv_verbose) printk
226#define dprintk if (bttv_debug >= 1) printk
227#define d2printk if (bttv_debug >= 2) printk
228
229#define BTTV_MAX_FBUF 0x208000
230#define VBIBUF_SIZE (2048*VBI_MAXLINES*2)
231#define BTTV_TIMEOUT (HZ/2) /* 0.5 seconds */
232#define BTTV_FREE_IDLE (HZ) /* one second */
233
234
235struct bttv_pll_info {
236 unsigned int pll_ifreq; /* PLL input frequency */
237 unsigned int pll_ofreq; /* PLL output frequency */
238 unsigned int pll_crystal; /* Crystal used for input */
239 unsigned int pll_current; /* Currently programmed ofreq */
240};
241
242/* for gpio-connected remote control */
243struct bttv_input {
244 struct input_dev dev;
245 struct ir_input_state ir;
246 char name[32];
247 char phys[32];
248 u32 mask_keycode;
249 u32 mask_keydown;
250};
251
252struct bttv_suspend_state {
253 u32 gpio_enable;
254 u32 gpio_data;
255 int disabled;
256 int loop_irq;
257 struct bttv_buffer_set video;
258 struct bttv_buffer *vbi;
259};
260
261struct bttv {
262 struct bttv_core c;
263
264 /* pci device config */
265 unsigned short id;
266 unsigned char revision;
267 unsigned char __iomem *bt848_mmio; /* pointer to mmio */
268
269 /* card configuration info */
270 unsigned int cardid; /* pci subsystem id (bt878 based ones) */
271 unsigned int tuner_type; /* tuner chip type */
272 unsigned int pinnacle_id;
273 unsigned int svhs;
274 struct bttv_pll_info pll;
275 int triton1;
276 int gpioirq;
277 int use_i2c_hw;
278
279 /* old gpio interface */
280 wait_queue_head_t gpioq;
281 int shutdown;
282 void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);
283
284 /* new gpio interface */
285 spinlock_t gpio_lock;
286
287 /* i2c layer */
288 struct i2c_algo_bit_data i2c_algo;
289 struct i2c_client i2c_client;
290 int i2c_state, i2c_rc;
291 int i2c_done;
292 wait_queue_head_t i2c_queue;
293
294 /* video4linux (1) */
295 struct video_device *video_dev;
296 struct video_device *radio_dev;
297 struct video_device *vbi_dev;
298
299 /* infrared remote */
300 int has_remote;
301 struct bttv_input *remote;
302
303 /* locking */
304 spinlock_t s_lock;
305 struct semaphore lock;
306 int resources;
307 struct semaphore reslock;
308#ifdef VIDIOC_G_PRIORITY
309 struct v4l2_prio_state prio;
310#endif
311
312 /* video state */
313 unsigned int input;
314 unsigned int audio;
315 unsigned long freq;
316 int tvnorm,hue,contrast,bright,saturation;
317 struct v4l2_framebuffer fbuf;
318 unsigned int field_count;
319
320 /* various options */
321 int opt_combfilter;
322 int opt_lumafilter;
323 int opt_automute;
324 int opt_chroma_agc;
325 int opt_adc_crush;
326 int opt_vcr_hack;
327 int opt_whitecrush_upper;
328 int opt_whitecrush_lower;
329 int opt_uv_ratio;
330 int opt_full_luma_range;
331 int opt_coring;
332
333 /* radio data/state */
334 int has_radio;
335 int radio_user;
336
337 /* miro/pinnacle + Aimslab VHX
338 philips matchbox (tea5757 radio tuner) support */
339 int has_matchbox;
340 int mbox_we;
341 int mbox_data;
342 int mbox_clk;
343 int mbox_most;
344 int mbox_mask;
345
346 /* ISA stuff (Terratec Active Radio Upgrade) */
347 int mbox_ior;
348 int mbox_iow;
349 int mbox_csel;
350
351 /* risc memory management data
352 - must aquire s_lock before changing these
353 - only the irq handler is supported to touch top + bottom + vcurr */
354 struct btcx_riscmem main;
355 struct bttv_buffer *screen; /* overlay */
356 struct list_head capture; /* video capture queue */
357 struct list_head vcapture; /* vbi capture queue */
358 struct bttv_buffer_set curr; /* active buffers */
359 struct bttv_buffer *cvbi; /* active vbi buffer */
360 int loop_irq;
361 int new_input;
362
363 unsigned long cap_ctl;
364 unsigned long dma_on;
365 struct timer_list timeout;
366 struct bttv_suspend_state state;
367
368 /* stats */
369 unsigned int errors;
370 unsigned int framedrop;
371 unsigned int irq_total;
372 unsigned int irq_me;
373
374 unsigned int users;
375 struct bttv_fh init;
376};
377
378/* our devices */
379#define BTTV_MAX 16
380extern unsigned int bttv_num;
381extern struct bttv bttvs[BTTV_MAX];
382
383/* private ioctls */
384#define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
385#define BTTV_VBISIZE _IOR('v' , BASE_VIDIOCPRIVATE+8, int)
386
387#endif
388
389#define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
390#define btread(adr) readl(btv->bt848_mmio+(adr))
391
392#define btand(dat,adr) btwrite((dat) & btread(adr), adr)
393#define btor(dat,adr) btwrite((dat) | btread(adr), adr)
394#define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
395
396#endif /* _BTTVP_H_ */
397
398/*
399 * Local variables:
400 * c-basic-offset: 8
401 * End:
402 */