1 /*
2 $Id: bttvp.h,v 1.15 2004/12/14 15:33:30 kraxel 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(0,9,15)
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
78 struct 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 };
92 extern const struct bttv_tvnorm bttv_tvnorms[];
93
94 struct 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
107 struct bttv_geometry {
108 u8 vtc,crop,comb;
109 u16 width,hscale,hdelay;
110 u16 sheight,vscale,vdelay,vtotal;
111 };
112
113 struct 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
127 struct 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
134 struct 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
143 struct 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 */
170 int 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 */
176 void bttv_set_dma(struct bttv *btv, int override);
177 int bttv_risc_init_main(struct bttv *btv);
178 int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc,
179 int irqflags);
180
181 /* capture buffer handling */
182 int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
183 int bttv_buffer_activate_video(struct bttv *btv,
184 struct bttv_buffer_set *set);
185 int bttv_buffer_activate_vbi(struct bttv *btv,
186 struct bttv_buffer *vbi);
187 void bttv_dma_free(struct bttv *btv, struct bttv_buffer *buf);
188
189 /* overlay handling */
190 int 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
198 void bttv_vbi_try_fmt(struct bttv_fh *fh, struct v4l2_format *f);
199 void bttv_vbi_get_fmt(struct bttv_fh *fh, struct v4l2_format *f);
200 void bttv_vbi_setlines(struct bttv_fh *fh, struct bttv *btv, int lines);
201
202 extern struct videobuf_queue_ops bttv_vbi_qops;
203
204 /* ---------------------------------------------------------- */
205 /* bttv-gpio.c */
206
207
208 extern struct bus_type bttv_sub_bus_type;
209 int bttv_sub_add_device(struct bttv_core *core, char *name);
210 int bttv_sub_del_devices(struct bttv_core *core);
211 void bttv_gpio_irq(struct bttv_core *core);
212 void bttv_i2c_info(struct bttv_core *core, struct i2c_client *client, int attach);
213
214
215 /* ---------------------------------------------------------- */
216 /* bttv-driver.c */
217
218 /* insmod options */
219 extern unsigned int bttv_verbose;
220 extern unsigned int bttv_debug;
221 extern unsigned int bttv_gpio;
222 extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
223 extern int init_bttv_i2c(struct bttv *btv);
224 extern int fini_bttv_i2c(struct bttv *btv);
225
226 #define vprintk if (bttv_verbose) printk
227 #define dprintk if (bttv_debug >= 1) printk
228 #define d2printk if (bttv_debug >= 2) printk
229
230 /* our devices */
231 #define BTTV_MAX 16
232 extern unsigned int bttv_num;
233 extern struct bttv bttvs[BTTV_MAX];
234
235 #define BTTV_MAX_FBUF 0x208000
236 #define VBIBUF_SIZE (2048*VBI_MAXLINES*2)
237 #define BTTV_TIMEOUT (HZ/2) /* 0.5 seconds */
238 #define BTTV_FREE_IDLE (HZ) /* one second */
239
240
241 struct bttv_pll_info {
242 unsigned int pll_ifreq; /* PLL input frequency */
243 unsigned int pll_ofreq; /* PLL output frequency */
244 unsigned int pll_crystal; /* Crystal used for input */
245 unsigned int pll_current; /* Currently programmed ofreq */
246 };
247
248 /* for gpio-connected remote control */
249 struct bttv_input {
250 struct input_dev dev;
251 struct ir_input_state ir;
252 char name[32];
253 char phys[32];
254 u32 mask_keycode;
255 u32 mask_keydown;
256 };
257
258 struct bttv_suspend_state {
259 u32 gpio_enable;
260 u32 gpio_data;
261 int disabled;
262 int loop_irq;
263 struct bttv_buffer_set video;
264 struct bttv_buffer *vbi;
265 };
266
267 struct bttv {
268 struct bttv_core c;
269
270 /* pci device config */
271 unsigned short id;
272 unsigned char revision;
273 unsigned char __iomem *bt848_mmio; /* pointer to mmio */
274
275 /* card configuration info */
276 unsigned int cardid; /* pci subsystem id (bt878 based ones) */
277 unsigned int tuner_type; /* tuner chip type */
278 unsigned int pinnacle_id;
279 unsigned int svhs;
280 struct bttv_pll_info pll;
281 int triton1;
282 int gpioirq;
283 int use_i2c_hw;
284
285 /* old gpio interface */
286 wait_queue_head_t gpioq;
287 int shutdown;
288 void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);
289
290 /* new gpio interface */
291 spinlock_t gpio_lock;
292
293 /* i2c layer */
294 struct i2c_algo_bit_data i2c_algo;
295 struct i2c_client i2c_client;
296 int i2c_state, i2c_rc;
297 int i2c_done;
298 wait_queue_head_t i2c_queue;
299
300 /* video4linux (1) */
301 struct video_device *video_dev;
302 struct video_device *radio_dev;
303 struct video_device *vbi_dev;
304
305 /* infrared remote */
306 int has_remote;
307 struct bttv_input *remote;
308
309 /* locking */
310 spinlock_t s_lock;
311 struct semaphore lock;
312 int resources;
313 struct semaphore reslock;
314 #ifdef VIDIOC_G_PRIORITY
315 struct v4l2_prio_state prio;
316 #endif
317
318 /* video state */
319 unsigned int input;
320 unsigned int audio;
321 unsigned long freq;
322 int tvnorm,hue,contrast,bright,saturation;
323 struct v4l2_framebuffer fbuf;
324 unsigned int field_count;
325
326 /* various options */
327 int opt_combfilter;
328 int opt_lumafilter;
329 int opt_automute;
330 int opt_chroma_agc;
331 int opt_adc_crush;
332 int opt_vcr_hack;
333 int opt_whitecrush_upper;
334 int opt_whitecrush_lower;
335
336 /* radio data/state */
337 int has_radio;
338 int radio_user;
339
340 /* miro/pinnacle + Aimslab VHX
341 philips matchbox (tea5757 radio tuner) support */
342 int has_matchbox;
343 int mbox_we;
344 int mbox_data;
345 int mbox_clk;
346 int mbox_most;
347 int mbox_mask;
348
349 /* ISA stuff (Terratec Active Radio Upgrade) */
350 int mbox_ior;
351 int mbox_iow;
352 int mbox_csel;
353
354 /* risc memory management data
355 - must aquire s_lock before changing these
356 - only the irq handler is supported to touch top + bottom + vcurr */
357 struct btcx_riscmem main;
358 struct bttv_buffer *screen; /* overlay */
359 struct list_head capture; /* video capture queue */
360 struct list_head vcapture; /* vbi capture queue */
361 struct bttv_buffer_set curr; /* active buffers */
362 struct bttv_buffer *cvbi; /* active vbi buffer */
363 int loop_irq;
364 int new_input;
365
366 unsigned long cap_ctl;
367 unsigned long dma_on;
368 struct timer_list timeout;
369 struct bttv_suspend_state state;
370
371 /* stats */
372 unsigned int errors;
373 unsigned int framedrop;
374 unsigned int irq_total;
375 unsigned int irq_me;
376
377 unsigned int users;
378 struct bttv_fh init;
379 };
380
381 /* private ioctls */
382 #define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
383 #define BTTV_VBISIZE _IOR('v' , BASE_VIDIOCPRIVATE+8, int)
384
385 #endif
386
387 #define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
388 #define btread(adr) readl(btv->bt848_mmio+(adr))
389
390 #define btand(dat,adr) btwrite((dat) & btread(adr), adr)
391 #define btor(dat,adr) btwrite((dat) | btread(adr), adr)
392 #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
393
394 #endif /* _BTTVP_H_ */
395
396 /*
397 * Local variables:
398 * c-basic-offset: 8
399 * End:
400 */
401
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