2 $Id: bttvp.h,v 1.19 2005/06/16 21:38:45 nsh Exp $
4 bttv - Bt848 frame grabber driver
6 bttv's *private* header file -- nobody other than bttv itself
7 should ever include this file.
9 (c) 2000-2002 Gerd Knorr <kraxel@bytesex.org>
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.
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.
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.
29 #include <linux/version.h>
30 #define BTTV_VERSION_CODE KERNEL_VERSION(0,9,15)
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>
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>
51 #include "btcx-risc.h"
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
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
67 #define RESOURCE_OVERLAY 1
68 #define RESOURCE_VIDEO 2
69 #define RESOURCE_VBI 4
76 /* ---------------------------------------------------------- */
82 u16 swidth, sheight; /* scaled standard width, height */
84 u8 adelay, bdelay, iform;
86 u16 hdelayx1, hactivex1;
92 extern const struct bttv_tvnorm bttv_tvnorms[];
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 */
102 int hshift,vshift; /* for planar modes */
105 /* ---------------------------------------------------------- */
107 struct bttv_geometry {
109 u16 width,hscale,hdelay;
110 u16 sheight,vscale,vdelay,vtotal;
114 /* common v4l buffer stuff -- must be first */
115 struct videobuf_buffer vb;
118 const struct bttv_format *fmt;
122 struct bttv_geometry geo;
123 struct btcx_riscmem top;
124 struct btcx_riscmem bottom;
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;
134 struct bttv_overlay {
137 enum v4l2_field field;
138 struct v4l2_clip *clips;
146 #ifdef VIDIOC_G_PRIORITY
147 enum v4l2_priority prio;
149 enum v4l2_buf_type type;
152 struct videobuf_queue cap;
153 const struct bttv_format *fmt;
157 /* current settings */
158 const struct bttv_format *ovfmt;
159 struct bttv_overlay ov;
162 struct videobuf_queue vbi;
166 /* ---------------------------------------------------------- */
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);
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,
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);
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);
195 /* ---------------------------------------------------------- */
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);
202 extern struct videobuf_queue_ops bttv_vbi_qops;
204 /* ---------------------------------------------------------- */
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);
214 /* ---------------------------------------------------------- */
218 extern unsigned int bttv_verbose;
219 extern unsigned int bttv_debug;
220 extern unsigned int bttv_gpio;
221 extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
222 extern int init_bttv_i2c(struct bttv *btv);
223 extern int fini_bttv_i2c(struct bttv *btv);
225 #define vprintk if (bttv_verbose) printk
226 #define dprintk if (bttv_debug >= 1) printk
227 #define d2printk if (bttv_debug >= 2) printk
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 */
235 struct 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 */
242 /* for gpio-connected remote control */
244 struct input_dev dev;
245 struct ir_input_state ir;
252 struct bttv_suspend_state {
257 struct bttv_buffer_set video;
258 struct bttv_buffer *vbi;
264 /* pci device config */
266 unsigned char revision;
267 unsigned char __iomem *bt848_mmio; /* pointer to mmio */
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;
274 struct bttv_pll_info pll;
279 /* old gpio interface */
280 wait_queue_head_t gpioq;
282 void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);
284 /* new gpio interface */
285 spinlock_t gpio_lock;
288 struct i2c_algo_bit_data i2c_algo;
289 struct i2c_client i2c_client;
290 int i2c_state, i2c_rc;
292 wait_queue_head_t i2c_queue;
294 /* video4linux (1) */
295 struct video_device *video_dev;
296 struct video_device *radio_dev;
297 struct video_device *vbi_dev;
299 /* infrared remote */
301 struct bttv_input *remote;
305 struct semaphore lock;
307 struct semaphore reslock;
308 #ifdef VIDIOC_G_PRIORITY
309 struct v4l2_prio_state prio;
316 int tvnorm,hue,contrast,bright,saturation;
317 struct v4l2_framebuffer fbuf;
318 unsigned int field_count;
320 /* various options */
327 int opt_whitecrush_upper;
328 int opt_whitecrush_lower;
330 int opt_full_luma_range;
333 /* radio data/state */
337 /* miro/pinnacle + Aimslab VHX
338 philips matchbox (tea5757 radio tuner) support */
346 /* ISA stuff (Terratec Active Radio Upgrade) */
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 */
363 unsigned long cap_ctl;
364 unsigned long dma_on;
365 struct timer_list timeout;
366 struct bttv_suspend_state state;
370 unsigned int framedrop;
371 unsigned int irq_total;
380 extern unsigned int bttv_num;
381 extern struct bttv bttvs[BTTV_MAX];
384 #define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
385 #define BTTV_VBISIZE _IOR('v' , BASE_VIDIOCPRIVATE+8, int)
389 #define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
390 #define btread(adr) readl(btv->bt848_mmio+(adr))
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)
396 #endif /* _BTTVP_H_ */