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 videobuf_queue
*q
, struct bttv
*btv
,
194 struct bttv_buffer
*buf
);
196 /* overlay handling */
197 int bttv_overlay_risc(struct bttv
*btv
, struct bttv_overlay
*ov
,
198 const struct bttv_format
*fmt
,
199 struct bttv_buffer
*buf
);
202 /* ---------------------------------------------------------- */
205 void bttv_vbi_try_fmt(struct bttv_fh
*fh
, struct v4l2_format
*f
);
206 void bttv_vbi_get_fmt(struct bttv_fh
*fh
, struct v4l2_format
*f
);
207 void bttv_vbi_setlines(struct bttv_fh
*fh
, struct bttv
*btv
, int lines
);
209 extern struct videobuf_queue_ops bttv_vbi_qops
;
211 /* ---------------------------------------------------------- */
215 extern struct bus_type bttv_sub_bus_type
;
216 int bttv_sub_add_device(struct bttv_core
*core
, char *name
);
217 int bttv_sub_del_devices(struct bttv_core
*core
);
218 void bttv_gpio_irq(struct bttv_core
*core
);
221 /* ---------------------------------------------------------- */
225 extern unsigned int bttv_verbose
;
226 extern unsigned int bttv_debug
;
227 extern unsigned int bttv_gpio
;
228 extern void bttv_gpio_tracking(struct bttv
*btv
, char *comment
);
229 extern int init_bttv_i2c(struct bttv
*btv
);
230 extern int fini_bttv_i2c(struct bttv
*btv
);
232 #define bttv_printk if (bttv_verbose) printk
233 #define dprintk if (bttv_debug >= 1) printk
234 #define d2printk if (bttv_debug >= 2) printk
236 #define BTTV_MAX_FBUF 0x208000
237 #define VBIBUF_SIZE (2048*VBI_MAXLINES*2)
238 #define BTTV_TIMEOUT (HZ/2) /* 0.5 seconds */
239 #define BTTV_FREE_IDLE (HZ) /* one second */
242 struct bttv_pll_info
{
243 unsigned int pll_ifreq
; /* PLL input frequency */
244 unsigned int pll_ofreq
; /* PLL output frequency */
245 unsigned int pll_crystal
; /* Crystal used for input */
246 unsigned int pll_current
; /* Currently programmed ofreq */
249 /* for gpio-connected remote control */
251 struct input_dev
*dev
;
252 struct ir_input_state ir
;
259 struct bttv_suspend_state
{
264 struct bttv_buffer_set video
;
265 struct bttv_buffer
*vbi
;
271 /* pci device config */
273 unsigned char revision
;
274 unsigned char __iomem
*bt848_mmio
; /* pointer to mmio */
276 /* card configuration info */
277 unsigned int cardid
; /* pci subsystem id (bt878 based ones) */
278 unsigned int tuner_type
; /* tuner chip type */
279 unsigned int tda9887_conf
;
281 struct bttv_pll_info pll
;
284 int (*custom_irq
)(struct bttv
*btv
);
288 /* old gpio interface */
289 wait_queue_head_t gpioq
;
291 void (*audio_hook
)(struct bttv
*btv
, struct video_audio
*v
, int set
);
293 /* new gpio interface */
294 spinlock_t gpio_lock
;
297 struct i2c_algo_bit_data i2c_algo
;
298 struct i2c_client i2c_client
;
299 int i2c_state
, i2c_rc
;
301 wait_queue_head_t i2c_queue
;
303 /* video4linux (1) */
304 struct video_device
*video_dev
;
305 struct video_device
*radio_dev
;
306 struct video_device
*vbi_dev
;
308 /* infrared remote */
310 struct bttv_ir
*remote
;
316 struct mutex reslock
;
317 #ifdef VIDIOC_G_PRIORITY
318 struct v4l2_prio_state prio
;
325 int tvnorm
,hue
,contrast
,bright
,saturation
;
326 struct v4l2_framebuffer fbuf
;
327 unsigned int field_count
;
329 /* various options */
336 int opt_whitecrush_upper
;
337 int opt_whitecrush_lower
;
339 int opt_full_luma_range
;
342 /* radio data/state */
346 /* miro/pinnacle + Aimslab VHX
347 philips matchbox (tea5757 radio tuner) support */
355 /* ISA stuff (Terratec Active Radio Upgrade) */
360 /* risc memory management data
361 - must aquire s_lock before changing these
362 - only the irq handler is supported to touch top + bottom + vcurr */
363 struct btcx_riscmem main
;
364 struct bttv_buffer
*screen
; /* overlay */
365 struct list_head capture
; /* video capture queue */
366 struct list_head vcapture
; /* vbi capture queue */
367 struct bttv_buffer_set curr
; /* active buffers */
368 struct bttv_buffer
*cvbi
; /* active vbi buffer */
372 unsigned long cap_ctl
;
373 unsigned long dma_on
;
374 struct timer_list timeout
;
375 struct bttv_suspend_state state
;
379 unsigned int framedrop
;
380 unsigned int irq_total
;
389 extern unsigned int bttv_num
;
390 extern struct bttv bttvs
[BTTV_MAX
];
393 #define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
394 #define BTTV_VBISIZE _IOR('v' , BASE_VIDIOCPRIVATE+8, int)
398 #define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
399 #define btread(adr) readl(btv->bt848_mmio+(adr))
401 #define btand(dat,adr) btwrite((dat) & btread(adr), adr)
402 #define btor(dat,adr) btwrite((dat) | btread(adr), adr)
403 #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
405 #endif /* _BTTVP_H_ */