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/tuner.h>
45 #include <media/tveeprom.h>
46 #include <media/ir-common.h>
47
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 #define clamp(x, low, high) min (max (low, x), high)
77
78 /* ---------------------------------------------------------- */
79
80 struct bttv_tvnorm {
81 int v4l2_id;
82 char *name;
83 u32 Fsc;
84 u16 swidth, sheight; /* scaled standard width, height */
85 u16 totalwidth;
86 u8 adelay, bdelay, iform;
87 u32 scaledtwidth;
88 u16 hdelayx1, hactivex1;
89 u16 vdelay;
90 u8 vbipack;
91 u16 vtotal;
92 int sram;
93 /* ITU-R frame line number of the first VBI line we can
94 capture, of the first and second field. */
95 u16 vbistart[2];
96 };
97 extern const struct bttv_tvnorm bttv_tvnorms[];
98
99 struct bttv_format {
100 char *name;
101 int palette; /* video4linux 1 */
102 int fourcc; /* video4linux 2 */
103 int btformat; /* BT848_COLOR_FMT_* */
104 int btswap; /* BT848_COLOR_CTL_* */
105 int depth; /* bit/pixel */
106 int flags;
107 int hshift,vshift; /* for planar modes */
108 };
109
110 /* ---------------------------------------------------------- */
111
112 struct bttv_geometry {
113 u8 vtc,crop,comb;
114 u16 width,hscale,hdelay;
115 u16 sheight,vscale,vdelay,vtotal;
116 };
117
118 struct bttv_buffer {
119 /* common v4l buffer stuff -- must be first */
120 struct videobuf_buffer vb;
121
122 /* bttv specific */
123 const struct bttv_format *fmt;
124 int tvnorm;
125 int btformat;
126 int btswap;
127 struct bttv_geometry geo;
128 struct btcx_riscmem top;
129 struct btcx_riscmem bottom;
130 };
131
132 struct bttv_buffer_set {
133 struct bttv_buffer *top; /* top field buffer */
134 struct bttv_buffer *bottom; /* bottom field buffer */
135 unsigned int top_irq;
136 unsigned int frame_irq;
137 };
138
139 struct bttv_overlay {
140 int tvnorm;
141 struct v4l2_rect w;
142 enum v4l2_field field;
143 struct v4l2_clip *clips;
144 int nclips;
145 int setup_ok;
146 };
147
148 struct bttv_fh {
149 struct bttv *btv;
150 int resources;
151 #ifdef VIDIOC_G_PRIORITY
152 enum v4l2_priority prio;
153 #endif
154 enum v4l2_buf_type type;
155
156 /* video capture */
157 struct videobuf_queue cap;
158 const struct bttv_format *fmt;
159 int width;
160 int height;
161
162 /* current settings */
163 const struct bttv_format *ovfmt;
164 struct bttv_overlay ov;
165
166 /* video overlay */
167 struct videobuf_queue vbi;
168 int lines;
169 };
170
171 /* ---------------------------------------------------------- */
172 /* bttv-risc.c */
173
174 /* risc code generators - capture */
175 int bttv_risc_packed(struct bttv *btv, struct btcx_riscmem *risc,
176 struct scatterlist *sglist,
177 unsigned int offset, unsigned int bpl,
178 unsigned int pitch, unsigned int lines);
179
180 /* control dma register + risc main loop */
181 void bttv_set_dma(struct bttv *btv, int override);
182 int bttv_risc_init_main(struct bttv *btv);
183 int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc,
184 int irqflags);
185
186 /* capture buffer handling */
187 int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
188 int bttv_buffer_activate_video(struct bttv *btv,
189 struct bttv_buffer_set *set);
190 int bttv_buffer_activate_vbi(struct bttv *btv,
191 struct bttv_buffer *vbi);
192 void bttv_dma_free(struct videobuf_queue *q, struct bttv *btv,
193 struct bttv_buffer *buf);
194
195 /* overlay handling */
196 int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov,
197 const struct bttv_format *fmt,
198 struct bttv_buffer *buf);
199
200
201 /* ---------------------------------------------------------- */
202 /* bttv-vbi.c */
203
204 void bttv_vbi_try_fmt(struct bttv_fh *fh, struct v4l2_format *f);
205 void bttv_vbi_get_fmt(struct bttv_fh *fh, struct v4l2_format *f);
206 void bttv_vbi_setlines(struct bttv_fh *fh, struct bttv *btv, int lines);
207
208 extern struct videobuf_queue_ops bttv_vbi_qops;
209
210 /* ---------------------------------------------------------- */
211 /* bttv-gpio.c */
212
213
214 extern struct bus_type bttv_sub_bus_type;
215 int bttv_sub_add_device(struct bttv_core *core, char *name);
216 int bttv_sub_del_devices(struct bttv_core *core);
217 void bttv_gpio_irq(struct bttv_core *core);
218
219
220 /* ---------------------------------------------------------- */
221 /* bttv-driver.c */
222
223 /* insmod options */
224 extern unsigned int bttv_verbose;
225 extern unsigned int bttv_debug;
226 extern unsigned int bttv_gpio;
227 extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
228 extern int init_bttv_i2c(struct bttv *btv);
229 extern int fini_bttv_i2c(struct bttv *btv);
230
231 #define bttv_printk if (bttv_verbose) printk
232 #define dprintk if (bttv_debug >= 1) printk
233 #define d2printk if (bttv_debug >= 2) printk
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 tda9887_conf;
279 unsigned int svhs;
280 struct bttv_pll_info pll;
281 int triton1;
282 int gpioirq;
283 int (*custom_irq)(struct bttv *btv);
284
285 int use_i2c_hw;
286
287 /* old gpio interface */
288 wait_queue_head_t gpioq;
289 int shutdown;
290 void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);
291
292 /* new gpio interface */
293 spinlock_t gpio_lock;
294
295 /* i2c layer */
296 struct i2c_algo_bit_data i2c_algo;
297 struct i2c_client i2c_client;
298 int i2c_state, i2c_rc;
299 int i2c_done;
300 wait_queue_head_t i2c_queue;
301 struct i2c_client *i2c_msp34xx_client;
302 struct i2c_client *i2c_tvaudio_client;
303
304 /* video4linux (1) */
305 struct video_device *video_dev;
306 struct video_device *radio_dev;
307 struct video_device *vbi_dev;
308
309 /* infrared remote */
310 int has_remote;
311 struct bttv_ir *remote;
312
313 /* locking */
314 spinlock_t s_lock;
315 struct mutex lock;
316 int resources;
317 struct mutex reslock;
318 #ifdef VIDIOC_G_PRIORITY
319 struct v4l2_prio_state prio;
320 #endif
321
322 /* video state */
323 unsigned int input;
324 unsigned int audio;
325 unsigned int mute;
326 unsigned long freq;
327 int tvnorm,hue,contrast,bright,saturation;
328 struct v4l2_framebuffer fbuf;
329 unsigned int field_count;
330
331 /* various options */
332 int opt_combfilter;
333 int opt_lumafilter;
334 int opt_automute;
335 int opt_chroma_agc;
336 int opt_adc_crush;
337 int opt_vcr_hack;
338 int opt_whitecrush_upper;
339 int opt_whitecrush_lower;
340 int opt_uv_ratio;
341 int opt_full_luma_range;
342 int opt_coring;
343
344 /* radio data/state */
345 int has_radio;
346 int radio_user;
347
348 /* miro/pinnacle + Aimslab VHX
349 philips matchbox (tea5757 radio tuner) support */
350 int has_matchbox;
351 int mbox_we;
352 int mbox_data;
353 int mbox_clk;
354 int mbox_most;
355 int mbox_mask;
356
357 /* ISA stuff (Terratec Active Radio Upgrade) */
358 int mbox_ior;
359 int mbox_iow;
360 int mbox_csel;
361
362 /* risc memory management data
363 - must aquire s_lock before changing these
364 - only the irq handler is supported to touch top + bottom + vcurr */
365 struct btcx_riscmem main;
366 struct bttv_buffer *screen; /* overlay */
367 struct list_head capture; /* video capture queue */
368 struct list_head vcapture; /* vbi capture queue */
369 struct bttv_buffer_set curr; /* active buffers */
370 struct bttv_buffer *cvbi; /* active vbi buffer */
371 int loop_irq;
372 int new_input;
373
374 unsigned long cap_ctl;
375 unsigned long dma_on;
376 struct timer_list timeout;
377 struct bttv_suspend_state state;
378
379 /* stats */
380 unsigned int errors;
381 unsigned int framedrop;
382 unsigned int irq_total;
383 unsigned int irq_me;
384
385 unsigned int users;
386 struct bttv_fh init;
387 };
388
389 /* our devices */
390 #define BTTV_MAX 16
391 extern unsigned int bttv_num;
392 extern struct bttv bttvs[BTTV_MAX];
393
394 /* private ioctls */
395 #define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
396 #define BTTV_VBISIZE _IOR('v' , BASE_VIDIOCPRIVATE+8, int)
397
398 #endif
399
400 #define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
401 #define btread(adr) readl(btv->bt848_mmio+(adr))
402
403 #define btand(dat,adr) btwrite((dat) & btread(adr), adr)
404 #define btor(dat,adr) btwrite((dat) | btread(adr), adr)
405 #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
406
407 #endif /* _BTTVP_H_ */
408
409 /*
410 * Local variables:
411 * c-basic-offset: 8
412 * End:
413 */
414
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