2 * v4l2 device driver for cx2388x based TV cards
4 * (c) 2003,04 Gerd Knorr <kraxel@bytesex.org> [SUSE Labs]
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
20 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
22 #include <linux/pci.h>
23 #include <linux/i2c.h>
24 #include <linux/i2c-algo-bit.h>
25 #include <linux/videodev2.h>
26 #include <linux/kdev_t.h>
28 #include <media/v4l2-device.h>
29 #include <media/v4l2-fh.h>
30 #include <media/tuner.h>
31 #include <media/tveeprom.h>
32 #include <media/videobuf2-dma-sg.h>
33 #include <media/drv-intf/cx2341x.h>
34 #include <media/videobuf2-dvb.h>
35 #include <media/i2c/ir-kbd-i2c.h>
36 #include <media/i2c/wm8775.h>
39 #include "tuner-xc2028.h"
41 #include <linux/mutex.h>
43 #define CX88_VERSION "1.0.0"
47 #define CX88_MAXBOARDS 8
49 /* Max number of inputs by card */
50 #define MAX_CX88_INPUT 8
52 /* ----------------------------------------------------------- */
53 /* defines and enums */
55 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM/LC */
56 #define CX88_NORMS (V4L2_STD_ALL \
58 & ~V4L2_STD_NTSC_M_KR \
61 #define FORMAT_FLAGS_PACKED 0x01
62 #define FORMAT_FLAGS_PLANAR 0x02
64 #define VBI_LINE_PAL_COUNT 18
65 #define VBI_LINE_NTSC_COUNT 12
66 #define VBI_LINE_LENGTH 2048
68 #define AUD_RDS_LINES 4
70 /* need "shadow" registers for some write-only ones ... */
71 #define SHADOW_AUD_VOL_CTL 1
72 #define SHADOW_AUD_BAL_CTL 2
75 /* FM Radio deemphasis type */
76 enum cx88_deemph_type
{
82 enum cx88_board_type
{
88 enum cx8802_board_access
{
89 CX8802_DRVCTL_SHARED
= 1,
90 CX8802_DRVCTL_EXCLUSIVE
= 2,
93 /* ----------------------------------------------------------- */
96 static inline unsigned int norm_maxw(v4l2_std_id norm
)
101 static inline unsigned int norm_maxh(v4l2_std_id norm
)
103 return (norm
& V4L2_STD_525_60
) ? 480 : 576;
106 /* ----------------------------------------------------------- */
111 u32 fourcc
; /* v4l2 format id */
117 /* ----------------------------------------------------------- */
118 /* SRAM memory management data (see cx88-core.c) */
120 #define SRAM_CH21 0 /* video */
123 #define SRAM_CH24 3 /* vbi */
124 #define SRAM_CH25 4 /* audio */
126 #define SRAM_CH28 6 /* mpeg */
127 #define SRAM_CH27 7 /* audio rds */
130 struct sram_channel
{
143 extern const struct sram_channel cx88_sram_channels
[];
145 /* ----------------------------------------------------------- */
146 /* card configuration */
148 #define CX88_BOARD_NOAUTO UNSET
149 #define CX88_BOARD_UNKNOWN 0
150 #define CX88_BOARD_HAUPPAUGE 1
151 #define CX88_BOARD_GDI 2
152 #define CX88_BOARD_PIXELVIEW 3
153 #define CX88_BOARD_ATI_WONDER_PRO 4
154 #define CX88_BOARD_WINFAST2000XP_EXPERT 5
155 #define CX88_BOARD_AVERTV_STUDIO_303 6
156 #define CX88_BOARD_MSI_TVANYWHERE_MASTER 7
157 #define CX88_BOARD_WINFAST_DV2000 8
158 #define CX88_BOARD_LEADTEK_PVR2000 9
159 #define CX88_BOARD_IODATA_GVVCP3PCI 10
160 #define CX88_BOARD_PROLINK_PLAYTVPVR 11
161 #define CX88_BOARD_ASUS_PVR_416 12
162 #define CX88_BOARD_MSI_TVANYWHERE 13
163 #define CX88_BOARD_KWORLD_DVB_T 14
164 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1 15
165 #define CX88_BOARD_KWORLD_LTV883 16
166 #define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q 17
167 #define CX88_BOARD_HAUPPAUGE_DVB_T1 18
168 #define CX88_BOARD_CONEXANT_DVB_T1 19
169 #define CX88_BOARD_PROVIDEO_PV259 20
170 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS 21
171 #define CX88_BOARD_PCHDTV_HD3000 22
172 #define CX88_BOARD_DNTV_LIVE_DVB_T 23
173 #define CX88_BOARD_HAUPPAUGE_ROSLYN 24
174 #define CX88_BOARD_DIGITALLOGIC_MEC 25
175 #define CX88_BOARD_IODATA_GVBCTV7E 26
176 #define CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO 27
177 #define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T 28
178 #define CX88_BOARD_ADSTECH_DVB_T_PCI 29
179 #define CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1 30
180 #define CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD 31
181 #define CX88_BOARD_AVERMEDIA_ULTRATV_MC_550 32
182 #define CX88_BOARD_KWORLD_VSTREAM_EXPERT_DVD 33
183 #define CX88_BOARD_ATI_HDTVWONDER 34
184 #define CX88_BOARD_WINFAST_DTV1000 35
185 #define CX88_BOARD_AVERTV_303 36
186 #define CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1 37
187 #define CX88_BOARD_HAUPPAUGE_NOVASE2_S1 38
188 #define CX88_BOARD_KWORLD_DVBS_100 39
189 #define CX88_BOARD_HAUPPAUGE_HVR1100 40
190 #define CX88_BOARD_HAUPPAUGE_HVR1100LP 41
191 #define CX88_BOARD_DNTV_LIVE_DVB_T_PRO 42
192 #define CX88_BOARD_KWORLD_DVB_T_CX22702 43
193 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL 44
194 #define CX88_BOARD_KWORLD_HARDWARE_MPEG_TV_XPERT 45
195 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID 46
196 #define CX88_BOARD_PCHDTV_HD5500 47
197 #define CX88_BOARD_KWORLD_MCE200_DELUXE 48
198 #define CX88_BOARD_PIXELVIEW_PLAYTV_P7000 49
199 #define CX88_BOARD_NPGTECH_REALTV_TOP10FM 50
200 #define CX88_BOARD_WINFAST_DTV2000H 51
201 #define CX88_BOARD_GENIATECH_DVBS 52
202 #define CX88_BOARD_HAUPPAUGE_HVR3000 53
203 #define CX88_BOARD_NORWOOD_MICRO 54
204 #define CX88_BOARD_TE_DTV_250_OEM_SWANN 55
205 #define CX88_BOARD_HAUPPAUGE_HVR1300 56
206 #define CX88_BOARD_ADSTECH_PTV_390 57
207 #define CX88_BOARD_PINNACLE_PCTV_HD_800i 58
208 #define CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO 59
209 #define CX88_BOARD_PINNACLE_HYBRID_PCTV 60
210 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL 61
211 #define CX88_BOARD_POWERCOLOR_REAL_ANGEL 62
212 #define CX88_BOARD_GENIATECH_X8000_MT 63
213 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO 64
214 #define CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD 65
215 #define CX88_BOARD_PROLINK_PV_8000GT 66
216 #define CX88_BOARD_KWORLD_ATSC_120 67
217 #define CX88_BOARD_HAUPPAUGE_HVR4000 68
218 #define CX88_BOARD_HAUPPAUGE_HVR4000LITE 69
219 #define CX88_BOARD_TEVII_S460 70
220 #define CX88_BOARD_OMICOM_SS4_PCI 71
221 #define CX88_BOARD_TBS_8920 72
222 #define CX88_BOARD_TEVII_S420 73
223 #define CX88_BOARD_PROLINK_PV_GLOBAL_XTREME 74
224 #define CX88_BOARD_PROF_7300 75
225 #define CX88_BOARD_SATTRADE_ST4200 76
226 #define CX88_BOARD_TBS_8910 77
227 #define CX88_BOARD_PROF_6200 78
228 #define CX88_BOARD_TERRATEC_CINERGY_HT_PCI_MKII 79
229 #define CX88_BOARD_HAUPPAUGE_IRONLY 80
230 #define CX88_BOARD_WINFAST_DTV1800H 81
231 #define CX88_BOARD_WINFAST_DTV2000H_J 82
232 #define CX88_BOARD_PROF_7301 83
233 #define CX88_BOARD_SAMSUNG_SMT_7020 84
234 #define CX88_BOARD_TWINHAN_VP1027_DVBS 85
235 #define CX88_BOARD_TEVII_S464 86
236 #define CX88_BOARD_WINFAST_DTV2000H_PLUS 87
237 #define CX88_BOARD_WINFAST_DTV1800H_XC4000 88
238 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36 89
239 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43 90
242 CX88_VMUX_COMPOSITE1
= 1,
243 CX88_VMUX_COMPOSITE2
,
244 CX88_VMUX_COMPOSITE3
,
245 CX88_VMUX_COMPOSITE4
,
247 CX88_VMUX_TELEVISION
,
255 enum cx88_itype type
;
256 u32 gpio0
, gpio1
, gpio2
, gpio3
;
258 unsigned int audioroute
:4;
261 enum cx88_audio_chip
{
262 CX88_AUDIO_WM8775
= 1,
268 unsigned int tuner_type
;
269 unsigned int radio_type
;
270 unsigned char tuner_addr
;
271 unsigned char radio_addr
;
273 struct cx88_input input
[MAX_CX88_INPUT
];
274 struct cx88_input radio
;
275 enum cx88_board_type mpeg
;
276 enum cx88_audio_chip audio_chip
;
279 /* Used for I2S devices */
303 #define INPUT(nr) (core->board.input[nr])
305 /* ----------------------------------------------------------- */
306 /* device / file handle status */
308 #define RESOURCE_OVERLAY 1
309 #define RESOURCE_VIDEO 2
310 #define RESOURCE_VBI 4
312 #define BUFFER_TIMEOUT msecs_to_jiffies(2000)
314 struct cx88_riscmem
{
321 /* buffer for one video frame */
323 /* common v4l buffer stuff -- must be first */
324 struct vb2_v4l2_buffer vb
;
325 struct list_head list
;
329 struct cx88_riscmem risc
;
332 struct cx88_dmaqueue
{
333 struct list_head active
;
341 struct list_head devlist
;
354 u32 shadow
[SHADOW_MAX
];
358 struct i2c_adapter i2c_adap
;
359 struct i2c_algo_bit_data i2c_algo
;
360 struct i2c_client i2c_client
;
361 u32 i2c_state
, i2c_rc
;
363 /* config info -- analog */
364 struct v4l2_device v4l2_dev
;
365 struct v4l2_ctrl_handler video_hdl
;
366 struct v4l2_ctrl
*chroma_agc
;
367 struct v4l2_ctrl_handler audio_hdl
;
368 struct v4l2_subdev
*sd_wm8775
;
369 struct i2c_client
*i2c_rtc
;
370 unsigned int boardnr
;
371 struct cx88_board board
;
373 /* Supported V4L _STD_ tuner formats */
374 unsigned int tuner_formats
;
376 /* config info -- dvb */
377 #if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
378 int (*prev_set_voltage
)(struct dvb_frontend
*fe
,
379 enum fe_sec_voltage voltage
);
381 void (*gate_ctrl
)(struct cx88_core
*core
, int open
);
384 struct task_struct
*kthread
;
386 unsigned int width
, height
;
388 enum cx88_tvaudio tvaudio
;
389 u32 audiomode_manual
;
390 u32 audiomode_current
;
392 u32 last_analog_input
;
395 unsigned long last_change
;
397 /* IR remote control state */
400 /* I2C remote data */
401 struct IR_i2c_init_data init_data
;
402 struct wm8775_platform_data wm8775_data
;
405 /* various v4l controls */
409 * cx88-video needs to access cx8802 for hybrid tuner pll access and
410 * for vb2_is_busy() checks.
412 struct cx8802_dev
*dvbdev
;
413 /* cx88-blackbird needs to access cx8800 for vb2_is_busy() checks */
414 struct cx8800_dev
*v4ldev
;
415 enum cx88_board_type active_type_id
;
420 static inline struct cx88_core
*to_core(struct v4l2_device
*v4l2_dev
)
422 return container_of(v4l2_dev
, struct cx88_core
, v4l2_dev
);
425 #define call_hw(core, grpid, o, f, args...) \
427 if (!core->i2c_rc) { \
428 if (core->gate_ctrl) \
429 core->gate_ctrl(core, 1); \
430 v4l2_device_call_all(&core->v4l2_dev, \
431 grpid, o, f, ##args); \
432 if (core->gate_ctrl) \
433 core->gate_ctrl(core, 0); \
437 #define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args)
439 #define WM8775_GID (1 << 0)
441 #define wm8775_s_ctrl(core, id, val) \
443 struct v4l2_ctrl *ctrl_ = \
444 v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);\
445 if (ctrl_ && !core->i2c_rc) { \
446 if (core->gate_ctrl) \
447 core->gate_ctrl(core, 1); \
448 v4l2_ctrl_s_ctrl(ctrl_, val); \
449 if (core->gate_ctrl) \
450 core->gate_ctrl(core, 0); \
454 #define wm8775_g_ctrl(core, id) \
456 struct v4l2_ctrl *ctrl_ = \
457 v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);\
459 if (ctrl_ && !core->i2c_rc) { \
460 if (core->gate_ctrl) \
461 core->gate_ctrl(core, 1); \
462 val = v4l2_ctrl_g_ctrl(ctrl_); \
463 if (core->gate_ctrl) \
464 core->gate_ctrl(core, 0); \
469 /* ----------------------------------------------------------- */
470 /* function 0: video stuff */
472 struct cx8800_suspend_state
{
477 struct cx88_core
*core
;
480 /* various device info */
481 unsigned int resources
;
482 struct video_device video_dev
;
483 struct video_device vbi_dev
;
484 struct video_device radio_dev
;
488 unsigned char pci_rev
, pci_lat
;
490 const struct cx8800_fmt
*fmt
;
493 struct cx88_dmaqueue vidq
;
494 struct vb2_queue vb2_vidq
;
495 struct cx88_dmaqueue vbiq
;
496 struct vb2_queue vb2_vbiq
;
498 /* various v4l controls */
500 /* other global state info */
501 struct cx8800_suspend_state state
;
504 /* ----------------------------------------------------------- */
505 /* function 1: audio/alsa stuff */
506 /* =============> moved to cx88-alsa.c <====================== */
508 /* ----------------------------------------------------------- */
509 /* function 2: mpeg stuff */
511 struct cx8802_suspend_state
{
515 struct cx8802_driver
{
516 struct cx88_core
*core
;
518 /* List of drivers attached to device */
519 struct list_head drvlist
;
521 /* Type of driver and access required */
522 enum cx88_board_type type_id
;
523 enum cx8802_board_access hw_access
;
525 /* MPEG 8802 internal only */
526 int (*suspend
)(struct pci_dev
*pci_dev
, pm_message_t state
);
527 int (*resume
)(struct pci_dev
*pci_dev
);
529 /* Callers to the following functions must hold core->lock */
531 /* MPEG 8802 -> mini driver - Driver probe and configuration */
532 int (*probe
)(struct cx8802_driver
*drv
);
533 int (*remove
)(struct cx8802_driver
*drv
);
535 /* MPEG 8802 -> mini driver - Access for hardware control */
536 int (*advise_acquire
)(struct cx8802_driver
*drv
);
537 int (*advise_release
)(struct cx8802_driver
*drv
);
539 /* MPEG 8802 <- mini driver - Access for hardware control */
540 int (*request_acquire
)(struct cx8802_driver
*drv
);
541 int (*request_release
)(struct cx8802_driver
*drv
);
545 struct cx88_core
*core
;
550 unsigned char pci_rev
, pci_lat
;
553 struct cx88_dmaqueue mpegq
;
554 struct vb2_queue vb2_mpegq
;
558 /* other global state info */
559 struct cx8802_suspend_state state
;
561 /* for blackbird only */
562 struct list_head devlist
;
563 #if IS_ENABLED(CONFIG_VIDEO_CX88_BLACKBIRD)
564 struct video_device mpeg_dev
;
568 struct cx2341x_handler cxhdl
;
572 #if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
574 struct vb2_dvb_frontends frontends
;
577 #if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
578 /* For VP3045 secondary I2C bus support */
579 struct vp3054_i2c_state
*vp3054
;
581 /* for switching modulation types */
582 unsigned char ts_gen_cntrl
;
584 /* List of attached drivers; must hold core->lock to access */
585 struct list_head drvlist
;
587 struct work_struct request_module_wk
;
590 /* ----------------------------------------------------------- */
592 #define cx_read(reg) readl(core->lmmio + ((reg) >> 2))
593 #define cx_write(reg, value) writel((value), core->lmmio + ((reg) >> 2))
594 #define cx_writeb(reg, value) writeb((value), core->bmmio + (reg))
596 #define cx_andor(reg, mask, value) \
597 writel((readl(core->lmmio + ((reg) >> 2)) & ~(mask)) |\
598 ((value) & (mask)), core->lmmio + ((reg) >> 2))
599 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
600 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
602 #define cx_wait(d) { if (need_resched()) schedule(); else udelay(d); }
604 /* shadow registers */
605 #define cx_sread(sreg) (core->shadow[sreg])
606 #define cx_swrite(sreg, reg, value) \
607 (core->shadow[sreg] = value, \
608 writel(core->shadow[sreg], core->lmmio + ((reg) >> 2)))
609 #define cx_sandor(sreg, reg, mask, value) \
610 (core->shadow[sreg] = (core->shadow[sreg] & ~(mask)) | \
611 ((value) & (mask)), \
612 writel(core->shadow[sreg], \
613 core->lmmio + ((reg) >> 2)))
615 /* ----------------------------------------------------------- */
618 extern unsigned int cx88_core_debug
;
620 void cx88_print_irqbits(const char *tag
, const char *strings
[],
621 int len
, u32 bits
, u32 mask
);
623 int cx88_core_irq(struct cx88_core
*core
, u32 status
);
624 void cx88_wakeup(struct cx88_core
*core
,
625 struct cx88_dmaqueue
*q
, u32 count
);
626 void cx88_shutdown(struct cx88_core
*core
);
627 int cx88_reset(struct cx88_core
*core
);
630 cx88_risc_buffer(struct pci_dev
*pci
, struct cx88_riscmem
*risc
,
631 struct scatterlist
*sglist
,
632 unsigned int top_offset
, unsigned int bottom_offset
,
633 unsigned int bpl
, unsigned int padding
, unsigned int lines
);
635 cx88_risc_databuffer(struct pci_dev
*pci
, struct cx88_riscmem
*risc
,
636 struct scatterlist
*sglist
, unsigned int bpl
,
637 unsigned int lines
, unsigned int lpi
);
639 void cx88_risc_disasm(struct cx88_core
*core
,
640 struct cx88_riscmem
*risc
);
641 int cx88_sram_channel_setup(struct cx88_core
*core
,
642 const struct sram_channel
*ch
,
643 unsigned int bpl
, u32 risc
);
644 void cx88_sram_channel_dump(struct cx88_core
*core
,
645 const struct sram_channel
*ch
);
647 int cx88_set_scale(struct cx88_core
*core
, unsigned int width
,
648 unsigned int height
, enum v4l2_field field
);
649 int cx88_set_tvnorm(struct cx88_core
*core
, v4l2_std_id norm
);
651 void cx88_vdev_init(struct cx88_core
*core
,
653 struct video_device
*vfd
,
654 const struct video_device
*template_
,
656 struct cx88_core
*cx88_core_get(struct pci_dev
*pci
);
657 void cx88_core_put(struct cx88_core
*core
,
658 struct pci_dev
*pci
);
660 int cx88_start_audio_dma(struct cx88_core
*core
);
661 int cx88_stop_audio_dma(struct cx88_core
*core
);
663 /* ----------------------------------------------------------- */
666 /* Can be used as g_vbi_fmt, try_vbi_fmt and s_vbi_fmt */
667 int cx8800_vbi_fmt(struct file
*file
, void *priv
,
668 struct v4l2_format
*f
);
670 void cx8800_stop_vbi_dma(struct cx8800_dev
*dev
);
671 int cx8800_restart_vbi_queue(struct cx8800_dev
*dev
, struct cx88_dmaqueue
*q
);
673 extern const struct vb2_ops cx8800_vbi_qops
;
675 /* ----------------------------------------------------------- */
678 int cx88_i2c_init(struct cx88_core
*core
, struct pci_dev
*pci
);
680 /* ----------------------------------------------------------- */
683 int cx88_tuner_callback(void *dev
, int component
, int command
, int arg
);
684 int cx88_get_resources(const struct cx88_core
*core
,
685 struct pci_dev
*pci
);
686 struct cx88_core
*cx88_core_create(struct pci_dev
*pci
, int nr
);
687 void cx88_setup_xc3028(struct cx88_core
*core
, struct xc2028_ctrl
*ctl
);
689 /* ----------------------------------------------------------- */
692 void cx88_set_tvaudio(struct cx88_core
*core
);
693 void cx88_newstation(struct cx88_core
*core
);
694 void cx88_get_stereo(struct cx88_core
*core
, struct v4l2_tuner
*t
);
695 void cx88_set_stereo(struct cx88_core
*core
, u32 mode
, int manual
);
696 int cx88_audio_thread(void *data
);
698 int cx8802_register_driver(struct cx8802_driver
*drv
);
699 int cx8802_unregister_driver(struct cx8802_driver
*drv
);
701 /* Caller must hold core->lock */
702 struct cx8802_driver
*cx8802_get_driver(struct cx8802_dev
*dev
,
703 enum cx88_board_type btype
);
705 /* ----------------------------------------------------------- */
708 s32
cx88_dsp_detect_stereo_sap(struct cx88_core
*core
);
710 /* ----------------------------------------------------------- */
713 int cx88_ir_init(struct cx88_core
*core
, struct pci_dev
*pci
);
714 int cx88_ir_fini(struct cx88_core
*core
);
715 void cx88_ir_irq(struct cx88_core
*core
);
716 int cx88_ir_start(struct cx88_core
*core
);
717 void cx88_ir_stop(struct cx88_core
*core
);
718 void cx88_i2c_init_ir(struct cx88_core
*core
);
720 /* ----------------------------------------------------------- */
723 int cx8802_buf_prepare(struct vb2_queue
*q
, struct cx8802_dev
*dev
,
724 struct cx88_buffer
*buf
);
725 void cx8802_buf_queue(struct cx8802_dev
*dev
, struct cx88_buffer
*buf
);
726 void cx8802_cancel_buffers(struct cx8802_dev
*dev
);
727 int cx8802_start_dma(struct cx8802_dev
*dev
,
728 struct cx88_dmaqueue
*q
,
729 struct cx88_buffer
*buf
);
731 /* ----------------------------------------------------------- */
733 int cx88_enum_input(struct cx88_core
*core
, struct v4l2_input
*i
);
734 int cx88_set_freq(struct cx88_core
*core
, const struct v4l2_frequency
*f
);
735 int cx88_video_mux(struct cx88_core
*core
, unsigned int input
);
736 void cx88_querycap(struct file
*file
, struct cx88_core
*core
,
737 struct v4l2_capability
*cap
);