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 <asm/scatterlist.h>
41 #include <linux/device.h>
42 #include <media/video-buf.h>
43 #include <media/audiochip.h>
44 #include <media/tuner.h>
45 #include <media/tveeprom.h>
46 #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 #define clamp(x, low, high) min (max (low, x), high)
78 /* ---------------------------------------------------------- */
84 u16 swidth, sheight; /* scaled standard width, height */
86 u8 adelay, bdelay, iform;
88 u16 hdelayx1, hactivex1;
93 /* ITU-R frame line number of the first VBI line we can
94 capture, of the first and second field. */
97 extern const struct bttv_tvnorm bttv_tvnorms[];
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 */
107 int hshift,vshift; /* for planar modes */
110 /* ---------------------------------------------------------- */
112 struct bttv_geometry {
114 u16 width,hscale,hdelay;
115 u16 sheight,vscale,vdelay,vtotal;
119 /* common v4l buffer stuff -- must be first */
120 struct videobuf_buffer vb;
123 const struct bttv_format *fmt;
127 struct bttv_geometry geo;
128 struct btcx_riscmem top;
129 struct btcx_riscmem bottom;
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;
139 struct bttv_overlay {
142 enum v4l2_field field;
143 struct v4l2_clip *clips;
151 #ifdef VIDIOC_G_PRIORITY
152 enum v4l2_priority prio;
154 enum v4l2_buf_type type;
157 struct videobuf_queue cap;
158 const struct bttv_format *fmt;
162 /* current settings */
163 const struct bttv_format *ovfmt;
164 struct bttv_overlay ov;
167 struct videobuf_queue vbi;
171 /* ---------------------------------------------------------- */
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);
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,
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 bttv *btv, struct bttv_buffer *buf);
194 /* overlay handling */
195 int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov,
196 const struct bttv_format *fmt,
197 struct bttv_buffer *buf);
200 /* ---------------------------------------------------------- */
203 void bttv_vbi_try_fmt(struct bttv_fh *fh, struct v4l2_format *f);
204 void bttv_vbi_get_fmt(struct bttv_fh *fh, struct v4l2_format *f);
205 void bttv_vbi_setlines(struct bttv_fh *fh, struct bttv *btv, int lines);
207 extern struct videobuf_queue_ops bttv_vbi_qops;
209 /* ---------------------------------------------------------- */
213 extern struct bus_type bttv_sub_bus_type;
214 int bttv_sub_add_device(struct bttv_core *core, char *name);
215 int bttv_sub_del_devices(struct bttv_core *core);
216 void bttv_gpio_irq(struct bttv_core *core);
219 /* ---------------------------------------------------------- */
223 extern unsigned int bttv_verbose;
224 extern unsigned int bttv_debug;
225 extern unsigned int bttv_gpio;
226 extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
227 extern int init_bttv_i2c(struct bttv *btv);
228 extern int fini_bttv_i2c(struct bttv *btv);
230 #define bttv_printk if (bttv_verbose) printk
231 #define dprintk if (bttv_debug >= 1) printk
232 #define d2printk if (bttv_debug >= 2) printk
234 #define BTTV_MAX_FBUF 0x208000
235 #define VBIBUF_SIZE (2048*VBI_MAXLINES*2)
236 #define BTTV_TIMEOUT (HZ/2) /* 0.5 seconds */
237 #define BTTV_FREE_IDLE (HZ) /* one second */
240 struct bttv_pll_info {
241 unsigned int pll_ifreq; /* PLL input frequency */
242 unsigned int pll_ofreq; /* PLL output frequency */
243 unsigned int pll_crystal; /* Crystal used for input */
244 unsigned int pll_current; /* Currently programmed ofreq */
247 /* for gpio-connected remote control */
249 struct input_dev *dev;
250 struct ir_input_state ir;
257 struct bttv_suspend_state {
262 struct bttv_buffer_set video;
263 struct bttv_buffer *vbi;
269 /* pci device config */
271 unsigned char revision;
272 unsigned char __iomem *bt848_mmio; /* pointer to mmio */
274 /* card configuration info */
275 unsigned int cardid; /* pci subsystem id (bt878 based ones) */
276 unsigned int tuner_type; /* tuner chip type */
277 unsigned int tda9887_conf;
279 struct bttv_pll_info pll;
282 int (*custom_irq)(struct bttv *btv);
286 /* old gpio interface */
287 wait_queue_head_t gpioq;
289 void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);
291 /* new gpio interface */
292 spinlock_t gpio_lock;
295 struct i2c_algo_bit_data i2c_algo;
296 struct i2c_client i2c_client;
297 int i2c_state, i2c_rc;
299 wait_queue_head_t i2c_queue;
301 /* video4linux (1) */
302 struct video_device *video_dev;
303 struct video_device *radio_dev;
304 struct video_device *vbi_dev;
306 /* infrared remote */
308 struct bttv_ir *remote;
312 struct semaphore lock;
314 struct semaphore reslock;
315 #ifdef VIDIOC_G_PRIORITY
316 struct v4l2_prio_state prio;
323 int tvnorm,hue,contrast,bright,saturation;
324 struct v4l2_framebuffer fbuf;
325 unsigned int field_count;
327 /* various options */
334 int opt_whitecrush_upper;
335 int opt_whitecrush_lower;
337 int opt_full_luma_range;
340 /* radio data/state */
344 /* miro/pinnacle + Aimslab VHX
345 philips matchbox (tea5757 radio tuner) support */
353 /* ISA stuff (Terratec Active Radio Upgrade) */
358 /* risc memory management data
359 - must aquire s_lock before changing these
360 - only the irq handler is supported to touch top + bottom + vcurr */
361 struct btcx_riscmem main;
362 struct bttv_buffer *screen; /* overlay */
363 struct list_head capture; /* video capture queue */
364 struct list_head vcapture; /* vbi capture queue */
365 struct bttv_buffer_set curr; /* active buffers */
366 struct bttv_buffer *cvbi; /* active vbi buffer */
370 unsigned long cap_ctl;
371 unsigned long dma_on;
372 struct timer_list timeout;
373 struct bttv_suspend_state state;
377 unsigned int framedrop;
378 unsigned int irq_total;
387 extern unsigned int bttv_num;
388 extern struct bttv bttvs[BTTV_MAX];
391 #define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
392 #define BTTV_VBISIZE _IOR('v' , BASE_VIDIOCPRIVATE+8, int)
396 #define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
397 #define btread(adr) readl(btv->bt848_mmio+(adr))
399 #define btand(dat,adr) btwrite((dat) & btread(adr), adr)
400 #define btor(dat,adr) btwrite((dat) | btread(adr), adr)
401 #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
403 #endif /* _BTTVP_H_ */