3 bttv - Bt848 frame grabber driver
5 bttv's *private* header file -- nobody other than bttv itself
6 should ever include this file.
8 (c) 2000-2002 Gerd Knorr <kraxel@bytesex.org>
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.
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.
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.
28 #include <linux/version.h>
29 #define BTTV_VERSION_CODE KERNEL_VERSION(0,9,16)
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>
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>
52 #include "btcx-risc.h"
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
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
68 #define RESOURCE_OVERLAY 1
69 #define RESOURCE_VIDEO 2
70 #define RESOURCE_VBI 4
77 #define clamp(x, low, high) min (max (low, x), high)
79 /* ---------------------------------------------------------- */
85 u16 swidth, sheight; /* scaled standard width, height */
87 u8 adelay, bdelay, iform;
89 u16 hdelayx1, hactivex1;
94 /* ITU-R frame line number of the first VBI line we can
95 capture, of the first and second field. */
98 extern const struct bttv_tvnorm bttv_tvnorms[];
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 */
108 int hshift,vshift; /* for planar modes */
111 /* ---------------------------------------------------------- */
113 struct bttv_geometry {
115 u16 width,hscale,hdelay;
116 u16 sheight,vscale,vdelay,vtotal;
120 /* common v4l buffer stuff -- must be first */
121 struct videobuf_buffer vb;
124 const struct bttv_format *fmt;
128 struct bttv_geometry geo;
129 struct btcx_riscmem top;
130 struct btcx_riscmem bottom;
133 struct 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;
140 struct bttv_overlay {
143 enum v4l2_field field;
144 struct v4l2_clip *clips;
152 #ifdef VIDIOC_G_PRIORITY
153 enum v4l2_priority prio;
155 enum v4l2_buf_type type;
158 struct videobuf_queue cap;
159 const struct bttv_format *fmt;
163 /* current settings */
164 const struct bttv_format *ovfmt;
165 struct bttv_overlay ov;
168 struct videobuf_queue vbi;
172 /* ---------------------------------------------------------- */
175 /* risc code generators - capture */
176 int 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);
181 /* control dma register + risc main loop */
182 void bttv_set_dma(struct bttv *btv, int override);
183 int bttv_risc_init_main(struct bttv *btv);
184 int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc,
187 /* capture buffer handling */
188 int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
189 int bttv_buffer_activate_video(struct bttv *btv,
190 struct bttv_buffer_set *set);
191 int bttv_buffer_activate_vbi(struct bttv *btv,
192 struct bttv_buffer *vbi);
193 void bttv_dma_free(struct bttv *btv, struct bttv_buffer *buf);
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);
201 /* ---------------------------------------------------------- */
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);
208 extern struct videobuf_queue_ops bttv_vbi_qops;
210 /* ---------------------------------------------------------- */
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);
220 /* ---------------------------------------------------------- */
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);
231 #define bttv_printk if (bttv_verbose) printk
232 #define dprintk if (bttv_debug >= 1) printk
233 #define d2printk if (bttv_debug >= 2) printk
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 */
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 */
248 /* for gpio-connected remote control */
250 struct input_dev *dev;
251 struct ir_input_state ir;
258 struct bttv_suspend_state {
263 struct bttv_buffer_set video;
264 struct bttv_buffer *vbi;
270 /* pci device config */
272 unsigned char revision;
273 unsigned char __iomem *bt848_mmio; /* pointer to mmio */
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;
280 struct bttv_pll_info pll;
283 int (*custom_irq)(struct bttv *btv);
287 /* old gpio interface */
288 wait_queue_head_t gpioq;
290 void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);
292 /* new gpio interface */
293 spinlock_t gpio_lock;
296 struct i2c_algo_bit_data i2c_algo;
297 struct i2c_client i2c_client;
298 int i2c_state, i2c_rc;
300 wait_queue_head_t i2c_queue;
302 /* video4linux (1) */
303 struct video_device *video_dev;
304 struct video_device *radio_dev;
305 struct video_device *vbi_dev;
307 /* infrared remote */
309 struct bttv_ir *remote;
315 struct mutex reslock;
316 #ifdef VIDIOC_G_PRIORITY
317 struct v4l2_prio_state prio;
324 int tvnorm,hue,contrast,bright,saturation;
325 struct v4l2_framebuffer fbuf;
326 unsigned int field_count;
328 /* various options */
335 int opt_whitecrush_upper;
336 int opt_whitecrush_lower;
338 int opt_full_luma_range;
341 /* radio data/state */
345 /* miro/pinnacle + Aimslab VHX
346 philips matchbox (tea5757 radio tuner) support */
354 /* ISA stuff (Terratec Active Radio Upgrade) */
359 /* risc memory management data
360 - must aquire s_lock before changing these
361 - only the irq handler is supported to touch top + bottom + vcurr */
362 struct btcx_riscmem main;
363 struct bttv_buffer *screen; /* overlay */
364 struct list_head capture; /* video capture queue */
365 struct list_head vcapture; /* vbi capture queue */
366 struct bttv_buffer_set curr; /* active buffers */
367 struct bttv_buffer *cvbi; /* active vbi buffer */
371 unsigned long cap_ctl;
372 unsigned long dma_on;
373 struct timer_list timeout;
374 struct bttv_suspend_state state;
378 unsigned int framedrop;
379 unsigned int irq_total;
388 extern unsigned int bttv_num;
389 extern struct bttv bttvs[BTTV_MAX];
392 #define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
393 #define BTTV_VBISIZE _IOR('v' , BASE_VIDIOCPRIVATE+8, int)
397 #define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
398 #define btread(adr) readl(btv->bt848_mmio+(adr))
400 #define btand(dat,adr) btwrite((dat) & btread(adr), adr)
401 #define btor(dat,adr) btwrite((dat) | btread(adr), adr)
402 #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
404 #endif /* _BTTVP_H_ */