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>
50 #include "btcx-risc.h"
54 #define FORMAT_FLAGS_DITHER 0x01
55 #define FORMAT_FLAGS_PACKED 0x02
56 #define FORMAT_FLAGS_PLANAR 0x04
57 #define FORMAT_FLAGS_RAW 0x08
58 #define FORMAT_FLAGS_CrCb 0x10
60 #define RISC_SLOT_O_VBI 4
61 #define RISC_SLOT_O_FIELD 6
62 #define RISC_SLOT_E_VBI 10
63 #define RISC_SLOT_E_FIELD 12
64 #define RISC_SLOT_LOOP 14
66 #define RESOURCE_OVERLAY 1
67 #define RESOURCE_VIDEO 2
68 #define RESOURCE_VBI 4
75 /* ---------------------------------------------------------- */
81 u16 swidth
, sheight
; /* scaled standard width, height */
83 u8 adelay
, bdelay
, iform
;
85 u16 hdelayx1
, hactivex1
;
91 extern const struct bttv_tvnorm bttv_tvnorms
[];
95 int palette
; /* video4linux 1 */
96 int fourcc
; /* video4linux 2 */
97 int btformat
; /* BT848_COLOR_FMT_* */
98 int btswap
; /* BT848_COLOR_CTL_* */
99 int depth
; /* bit/pixel */
101 int hshift
,vshift
; /* for planar modes */
104 /* ---------------------------------------------------------- */
106 struct bttv_geometry
{
108 u16 width
,hscale
,hdelay
;
109 u16 sheight
,vscale
,vdelay
,vtotal
;
113 /* common v4l buffer stuff -- must be first */
114 struct videobuf_buffer vb
;
117 const struct bttv_format
*fmt
;
121 struct bttv_geometry geo
;
122 struct btcx_riscmem top
;
123 struct btcx_riscmem bottom
;
126 struct bttv_buffer_set
{
127 struct bttv_buffer
*top
; /* top field buffer */
128 struct bttv_buffer
*bottom
; /* bottom field buffer */
129 unsigned int top_irq
;
130 unsigned int frame_irq
;
133 struct bttv_overlay
{
136 enum v4l2_field field
;
137 struct v4l2_clip
*clips
;
145 #ifdef VIDIOC_G_PRIORITY
146 enum v4l2_priority prio
;
148 enum v4l2_buf_type type
;
151 struct videobuf_queue cap
;
152 const struct bttv_format
*fmt
;
156 /* current settings */
157 const struct bttv_format
*ovfmt
;
158 struct bttv_overlay ov
;
161 struct videobuf_queue vbi
;
165 /* ---------------------------------------------------------- */
168 /* risc code generators - capture */
169 int bttv_risc_packed(struct bttv
*btv
, struct btcx_riscmem
*risc
,
170 struct scatterlist
*sglist
,
171 unsigned int offset
, unsigned int bpl
,
172 unsigned int pitch
, unsigned int lines
);
174 /* control dma register + risc main loop */
175 void bttv_set_dma(struct bttv
*btv
, int override
);
176 int bttv_risc_init_main(struct bttv
*btv
);
177 int bttv_risc_hook(struct bttv
*btv
, int slot
, struct btcx_riscmem
*risc
,
180 /* capture buffer handling */
181 int bttv_buffer_risc(struct bttv
*btv
, struct bttv_buffer
*buf
);
182 int bttv_buffer_activate_video(struct bttv
*btv
,
183 struct bttv_buffer_set
*set
);
184 int bttv_buffer_activate_vbi(struct bttv
*btv
,
185 struct bttv_buffer
*vbi
);
186 void bttv_dma_free(struct bttv
*btv
, struct bttv_buffer
*buf
);
188 /* overlay handling */
189 int bttv_overlay_risc(struct bttv
*btv
, struct bttv_overlay
*ov
,
190 const struct bttv_format
*fmt
,
191 struct bttv_buffer
*buf
);
194 /* ---------------------------------------------------------- */
197 void bttv_vbi_try_fmt(struct bttv_fh
*fh
, struct v4l2_format
*f
);
198 void bttv_vbi_get_fmt(struct bttv_fh
*fh
, struct v4l2_format
*f
);
199 void bttv_vbi_setlines(struct bttv_fh
*fh
, struct bttv
*btv
, int lines
);
201 extern struct videobuf_queue_ops bttv_vbi_qops
;
203 /* ---------------------------------------------------------- */
207 extern struct bus_type bttv_sub_bus_type
;
208 int bttv_sub_add_device(struct bttv_core
*core
, char *name
);
209 int bttv_sub_del_devices(struct bttv_core
*core
);
210 void bttv_gpio_irq(struct bttv_core
*core
);
211 int bttv_any_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 bttv_printk 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
;
280 /* old gpio interface */
281 wait_queue_head_t gpioq
;
283 void (*audio_hook
)(struct bttv
*btv
, struct video_audio
*v
, int set
);
285 /* new gpio interface */
286 spinlock_t gpio_lock
;
289 struct i2c_algo_bit_data i2c_algo
;
290 struct i2c_client i2c_client
;
291 int i2c_state
, i2c_rc
;
293 wait_queue_head_t i2c_queue
;
295 /* video4linux (1) */
296 struct video_device
*video_dev
;
297 struct video_device
*radio_dev
;
298 struct video_device
*vbi_dev
;
300 /* infrared remote */
302 struct bttv_input
*remote
;
306 struct semaphore lock
;
308 struct semaphore reslock
;
309 #ifdef VIDIOC_G_PRIORITY
310 struct v4l2_prio_state prio
;
317 int tvnorm
,hue
,contrast
,bright
,saturation
;
318 struct v4l2_framebuffer fbuf
;
319 unsigned int field_count
;
321 /* various options */
328 int opt_whitecrush_upper
;
329 int opt_whitecrush_lower
;
331 int opt_full_luma_range
;
334 /* radio data/state */
338 /* miro/pinnacle + Aimslab VHX
339 philips matchbox (tea5757 radio tuner) support */
347 /* ISA stuff (Terratec Active Radio Upgrade) */
352 /* risc memory management data
353 - must aquire s_lock before changing these
354 - only the irq handler is supported to touch top + bottom + vcurr */
355 struct btcx_riscmem main
;
356 struct bttv_buffer
*screen
; /* overlay */
357 struct list_head capture
; /* video capture queue */
358 struct list_head vcapture
; /* vbi capture queue */
359 struct bttv_buffer_set curr
; /* active buffers */
360 struct bttv_buffer
*cvbi
; /* active vbi buffer */
364 unsigned long cap_ctl
;
365 unsigned long dma_on
;
366 struct timer_list timeout
;
367 struct bttv_suspend_state state
;
371 unsigned int framedrop
;
372 unsigned int irq_total
;
381 extern unsigned int bttv_num
;
382 extern struct bttv bttvs
[BTTV_MAX
];
385 #define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
386 #define BTTV_VBISIZE _IOR('v' , BASE_VIDIOCPRIVATE+8, int)
390 #define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
391 #define btread(adr) readl(btv->bt848_mmio+(adr))
393 #define btand(dat,adr) btwrite((dat) & btread(adr), adr)
394 #define btor(dat,adr) btwrite((dat) | btread(adr), adr)
395 #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
397 #endif /* _BTTVP_H_ */