1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * v4l2 device driver for cx2388x based TV cards
5 * (c) 2003,04 Gerd Knorr <kraxel@bytesex.org> [SUSE Labs]
11 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
13 #include <linux/pci.h>
14 #include <linux/i2c.h>
15 #include <linux/i2c-algo-bit.h>
16 #include <linux/videodev2.h>
17 #include <linux/kdev_t.h>
18 #include <linux/refcount.h>
20 #include <media/v4l2-device.h>
21 #include <media/v4l2-fh.h>
22 #include <media/tuner.h>
23 #include <media/tveeprom.h>
24 #include <media/videobuf2-dma-sg.h>
25 #include <media/drv-intf/cx2341x.h>
26 #include <media/videobuf2-dvb.h>
27 #include <media/i2c/ir-kbd-i2c.h>
28 #include <media/i2c/wm8775.h>
31 #include "tuner-xc2028.h"
33 #include <linux/mutex.h>
35 #define CX88_VERSION "1.0.0"
39 #define CX88_MAXBOARDS 8
41 /* Max number of inputs by card */
42 #define MAX_CX88_INPUT 8
44 /* ----------------------------------------------------------- */
45 /* defines and enums */
47 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM/LC */
48 #define CX88_NORMS (V4L2_STD_ALL \
50 & ~V4L2_STD_NTSC_M_KR \
53 #define FORMAT_FLAGS_PACKED 0x01
54 #define FORMAT_FLAGS_PLANAR 0x02
56 #define VBI_LINE_PAL_COUNT 18
57 #define VBI_LINE_NTSC_COUNT 12
58 #define VBI_LINE_LENGTH 2048
60 #define AUD_RDS_LINES 4
62 /* need "shadow" registers for some write-only ones ... */
63 #define SHADOW_AUD_VOL_CTL 1
64 #define SHADOW_AUD_BAL_CTL 2
67 /* FM Radio deemphasis type */
68 enum cx88_deemph_type
{
74 enum cx88_board_type
{
80 enum cx8802_board_access
{
81 CX8802_DRVCTL_SHARED
= 1,
82 CX8802_DRVCTL_EXCLUSIVE
= 2,
85 /* ----------------------------------------------------------- */
88 static inline unsigned int norm_maxw(v4l2_std_id norm
)
93 static inline unsigned int norm_maxh(v4l2_std_id norm
)
95 return (norm
& V4L2_STD_525_60
) ? 480 : 576;
98 /* ----------------------------------------------------------- */
102 u32 fourcc
; /* v4l2 format id */
108 /* ----------------------------------------------------------- */
109 /* SRAM memory management data (see cx88-core.c) */
111 #define SRAM_CH21 0 /* video */
114 #define SRAM_CH24 3 /* vbi */
115 #define SRAM_CH25 4 /* audio */
117 #define SRAM_CH28 6 /* mpeg */
118 #define SRAM_CH27 7 /* audio rds */
121 struct sram_channel
{
134 extern const struct sram_channel cx88_sram_channels
[];
136 /* ----------------------------------------------------------- */
137 /* card configuration */
139 #define CX88_BOARD_NOAUTO UNSET
140 #define CX88_BOARD_UNKNOWN 0
141 #define CX88_BOARD_HAUPPAUGE 1
142 #define CX88_BOARD_GDI 2
143 #define CX88_BOARD_PIXELVIEW 3
144 #define CX88_BOARD_ATI_WONDER_PRO 4
145 #define CX88_BOARD_WINFAST2000XP_EXPERT 5
146 #define CX88_BOARD_AVERTV_STUDIO_303 6
147 #define CX88_BOARD_MSI_TVANYWHERE_MASTER 7
148 #define CX88_BOARD_WINFAST_DV2000 8
149 #define CX88_BOARD_LEADTEK_PVR2000 9
150 #define CX88_BOARD_IODATA_GVVCP3PCI 10
151 #define CX88_BOARD_PROLINK_PLAYTVPVR 11
152 #define CX88_BOARD_ASUS_PVR_416 12
153 #define CX88_BOARD_MSI_TVANYWHERE 13
154 #define CX88_BOARD_KWORLD_DVB_T 14
155 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1 15
156 #define CX88_BOARD_KWORLD_LTV883 16
157 #define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q 17
158 #define CX88_BOARD_HAUPPAUGE_DVB_T1 18
159 #define CX88_BOARD_CONEXANT_DVB_T1 19
160 #define CX88_BOARD_PROVIDEO_PV259 20
161 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS 21
162 #define CX88_BOARD_PCHDTV_HD3000 22
163 #define CX88_BOARD_DNTV_LIVE_DVB_T 23
164 #define CX88_BOARD_HAUPPAUGE_ROSLYN 24
165 #define CX88_BOARD_DIGITALLOGIC_MEC 25
166 #define CX88_BOARD_IODATA_GVBCTV7E 26
167 #define CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO 27
168 #define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T 28
169 #define CX88_BOARD_ADSTECH_DVB_T_PCI 29
170 #define CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1 30
171 #define CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD 31
172 #define CX88_BOARD_AVERMEDIA_ULTRATV_MC_550 32
173 #define CX88_BOARD_KWORLD_VSTREAM_EXPERT_DVD 33
174 #define CX88_BOARD_ATI_HDTVWONDER 34
175 #define CX88_BOARD_WINFAST_DTV1000 35
176 #define CX88_BOARD_AVERTV_303 36
177 #define CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1 37
178 #define CX88_BOARD_HAUPPAUGE_NOVASE2_S1 38
179 #define CX88_BOARD_KWORLD_DVBS_100 39
180 #define CX88_BOARD_HAUPPAUGE_HVR1100 40
181 #define CX88_BOARD_HAUPPAUGE_HVR1100LP 41
182 #define CX88_BOARD_DNTV_LIVE_DVB_T_PRO 42
183 #define CX88_BOARD_KWORLD_DVB_T_CX22702 43
184 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL 44
185 #define CX88_BOARD_KWORLD_HARDWARE_MPEG_TV_XPERT 45
186 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID 46
187 #define CX88_BOARD_PCHDTV_HD5500 47
188 #define CX88_BOARD_KWORLD_MCE200_DELUXE 48
189 #define CX88_BOARD_PIXELVIEW_PLAYTV_P7000 49
190 #define CX88_BOARD_NPGTECH_REALTV_TOP10FM 50
191 #define CX88_BOARD_WINFAST_DTV2000H 51
192 #define CX88_BOARD_GENIATECH_DVBS 52
193 #define CX88_BOARD_HAUPPAUGE_HVR3000 53
194 #define CX88_BOARD_NORWOOD_MICRO 54
195 #define CX88_BOARD_TE_DTV_250_OEM_SWANN 55
196 #define CX88_BOARD_HAUPPAUGE_HVR1300 56
197 #define CX88_BOARD_ADSTECH_PTV_390 57
198 #define CX88_BOARD_PINNACLE_PCTV_HD_800i 58
199 #define CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO 59
200 #define CX88_BOARD_PINNACLE_HYBRID_PCTV 60
201 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL 61
202 #define CX88_BOARD_POWERCOLOR_REAL_ANGEL 62
203 #define CX88_BOARD_GENIATECH_X8000_MT 63
204 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO 64
205 #define CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD 65
206 #define CX88_BOARD_PROLINK_PV_8000GT 66
207 #define CX88_BOARD_KWORLD_ATSC_120 67
208 #define CX88_BOARD_HAUPPAUGE_HVR4000 68
209 #define CX88_BOARD_HAUPPAUGE_HVR4000LITE 69
210 #define CX88_BOARD_TEVII_S460 70
211 #define CX88_BOARD_OMICOM_SS4_PCI 71
212 #define CX88_BOARD_TBS_8920 72
213 #define CX88_BOARD_TEVII_S420 73
214 #define CX88_BOARD_PROLINK_PV_GLOBAL_XTREME 74
215 #define CX88_BOARD_PROF_7300 75
216 #define CX88_BOARD_SATTRADE_ST4200 76
217 #define CX88_BOARD_TBS_8910 77
218 #define CX88_BOARD_PROF_6200 78
219 #define CX88_BOARD_TERRATEC_CINERGY_HT_PCI_MKII 79
220 #define CX88_BOARD_HAUPPAUGE_IRONLY 80
221 #define CX88_BOARD_WINFAST_DTV1800H 81
222 #define CX88_BOARD_WINFAST_DTV2000H_J 82
223 #define CX88_BOARD_PROF_7301 83
224 #define CX88_BOARD_SAMSUNG_SMT_7020 84
225 #define CX88_BOARD_TWINHAN_VP1027_DVBS 85
226 #define CX88_BOARD_TEVII_S464 86
227 #define CX88_BOARD_WINFAST_DTV2000H_PLUS 87
228 #define CX88_BOARD_WINFAST_DTV1800H_XC4000 88
229 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36 89
230 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43 90
231 #define CX88_BOARD_NOTONLYTV_LV3H 91
234 CX88_VMUX_COMPOSITE1
= 1,
235 CX88_VMUX_COMPOSITE2
,
236 CX88_VMUX_COMPOSITE3
,
237 CX88_VMUX_COMPOSITE4
,
239 CX88_VMUX_TELEVISION
,
247 enum cx88_itype type
;
248 u32 gpio0
, gpio1
, gpio2
, gpio3
;
250 unsigned int audioroute
:4;
253 enum cx88_audio_chip
{
254 CX88_AUDIO_WM8775
= 1,
260 unsigned int tuner_type
;
261 unsigned int radio_type
;
262 unsigned char tuner_addr
;
263 unsigned char radio_addr
;
265 struct cx88_input input
[MAX_CX88_INPUT
];
266 struct cx88_input radio
;
267 enum cx88_board_type mpeg
;
268 enum cx88_audio_chip audio_chip
;
271 /* Used for I2S devices */
295 #define INPUT(nr) (core->board.input[nr])
297 /* ----------------------------------------------------------- */
298 /* device / file handle status */
300 #define RESOURCE_OVERLAY 1
301 #define RESOURCE_VIDEO 2
302 #define RESOURCE_VBI 4
304 #define BUFFER_TIMEOUT msecs_to_jiffies(2000)
306 struct cx88_riscmem
{
313 /* buffer for one video frame */
315 /* common v4l buffer stuff -- must be first */
316 struct vb2_v4l2_buffer vb
;
317 struct list_head list
;
321 struct cx88_riscmem risc
;
324 struct cx88_dmaqueue
{
325 struct list_head active
;
333 struct list_head devlist
;
346 u32 shadow
[SHADOW_MAX
];
350 struct i2c_adapter i2c_adap
;
351 struct i2c_algo_bit_data i2c_algo
;
352 struct i2c_client i2c_client
;
353 u32 i2c_state
, i2c_rc
;
355 /* config info -- analog */
356 struct v4l2_device v4l2_dev
;
357 struct v4l2_ctrl_handler video_hdl
;
358 struct v4l2_ctrl
*chroma_agc
;
359 struct v4l2_ctrl_handler audio_hdl
;
360 struct v4l2_subdev
*sd_wm8775
;
361 struct i2c_client
*i2c_rtc
;
362 unsigned int boardnr
;
363 struct cx88_board board
;
365 /* Supported V4L _STD_ tuner formats */
366 unsigned int tuner_formats
;
368 /* config info -- dvb */
369 #if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
370 int (*prev_set_voltage
)(struct dvb_frontend
*fe
,
371 enum fe_sec_voltage voltage
);
373 void (*gate_ctrl
)(struct cx88_core
*core
, int open
);
376 struct task_struct
*kthread
;
378 unsigned int width
, height
;
380 enum cx88_tvaudio tvaudio
;
381 u32 audiomode_manual
;
382 u32 audiomode_current
;
384 u32 last_analog_input
;
387 unsigned long last_change
;
389 /* IR remote control state */
392 /* I2C remote data */
393 struct IR_i2c_init_data init_data
;
394 struct wm8775_platform_data wm8775_data
;
397 /* various v4l controls */
401 * cx88-video needs to access cx8802 for hybrid tuner pll access and
402 * for vb2_is_busy() checks.
404 struct cx8802_dev
*dvbdev
;
405 /* cx88-blackbird needs to access cx8800 for vb2_is_busy() checks */
406 struct cx8800_dev
*v4ldev
;
407 enum cx88_board_type active_type_id
;
412 static inline struct cx88_core
*to_core(struct v4l2_device
*v4l2_dev
)
414 return container_of(v4l2_dev
, struct cx88_core
, v4l2_dev
);
417 #define call_hw(core, grpid, o, f, args...) \
419 if (!core->i2c_rc) { \
420 if (core->gate_ctrl) \
421 core->gate_ctrl(core, 1); \
422 v4l2_device_call_all(&core->v4l2_dev, \
423 grpid, o, f, ##args); \
424 if (core->gate_ctrl) \
425 core->gate_ctrl(core, 0); \
429 #define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args)
431 #define WM8775_GID (1 << 0)
433 #define wm8775_s_ctrl(core, id, val) \
435 struct v4l2_ctrl *ctrl_ = \
436 v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);\
437 if (ctrl_ && !core->i2c_rc) { \
438 if (core->gate_ctrl) \
439 core->gate_ctrl(core, 1); \
440 v4l2_ctrl_s_ctrl(ctrl_, val); \
441 if (core->gate_ctrl) \
442 core->gate_ctrl(core, 0); \
446 #define wm8775_g_ctrl(core, id) \
448 struct v4l2_ctrl *ctrl_ = \
449 v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);\
451 if (ctrl_ && !core->i2c_rc) { \
452 if (core->gate_ctrl) \
453 core->gate_ctrl(core, 1); \
454 val = v4l2_ctrl_g_ctrl(ctrl_); \
455 if (core->gate_ctrl) \
456 core->gate_ctrl(core, 0); \
461 /* ----------------------------------------------------------- */
462 /* function 0: video stuff */
464 struct cx8800_suspend_state
{
469 struct cx88_core
*core
;
472 /* various device info */
473 unsigned int resources
;
474 struct video_device video_dev
;
475 struct video_device vbi_dev
;
476 struct video_device radio_dev
;
480 unsigned char pci_rev
, pci_lat
;
482 const struct cx8800_fmt
*fmt
;
485 struct cx88_dmaqueue vidq
;
486 struct vb2_queue vb2_vidq
;
487 struct cx88_dmaqueue vbiq
;
488 struct vb2_queue vb2_vbiq
;
490 /* various v4l controls */
492 /* other global state info */
493 struct cx8800_suspend_state state
;
496 /* ----------------------------------------------------------- */
497 /* function 1: audio/alsa stuff */
498 /* =============> moved to cx88-alsa.c <====================== */
500 /* ----------------------------------------------------------- */
501 /* function 2: mpeg stuff */
503 struct cx8802_suspend_state
{
507 struct cx8802_driver
{
508 struct cx88_core
*core
;
510 /* List of drivers attached to device */
511 struct list_head drvlist
;
513 /* Type of driver and access required */
514 enum cx88_board_type type_id
;
515 enum cx8802_board_access hw_access
;
517 /* MPEG 8802 internal only */
518 int (*suspend
)(struct pci_dev
*pci_dev
, pm_message_t state
);
519 int (*resume
)(struct pci_dev
*pci_dev
);
521 /* Callers to the following functions must hold core->lock */
523 /* MPEG 8802 -> mini driver - Driver probe and configuration */
524 int (*probe
)(struct cx8802_driver
*drv
);
525 int (*remove
)(struct cx8802_driver
*drv
);
527 /* MPEG 8802 -> mini driver - Access for hardware control */
528 int (*advise_acquire
)(struct cx8802_driver
*drv
);
529 int (*advise_release
)(struct cx8802_driver
*drv
);
531 /* MPEG 8802 <- mini driver - Access for hardware control */
532 int (*request_acquire
)(struct cx8802_driver
*drv
);
533 int (*request_release
)(struct cx8802_driver
*drv
);
537 struct cx88_core
*core
;
542 unsigned char pci_rev
, pci_lat
;
545 struct cx88_dmaqueue mpegq
;
546 struct vb2_queue vb2_mpegq
;
550 /* other global state info */
551 struct cx8802_suspend_state state
;
553 /* for blackbird only */
554 struct list_head devlist
;
555 #if IS_ENABLED(CONFIG_VIDEO_CX88_BLACKBIRD)
556 struct video_device mpeg_dev
;
560 struct cx2341x_handler cxhdl
;
564 #if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
566 struct vb2_dvb_frontends frontends
;
569 #if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
570 /* For VP3045 secondary I2C bus support */
571 struct vp3054_i2c_state
*vp3054
;
573 /* for switching modulation types */
574 unsigned char ts_gen_cntrl
;
576 /* List of attached drivers; must hold core->lock to access */
577 struct list_head drvlist
;
579 struct work_struct request_module_wk
;
582 /* ----------------------------------------------------------- */
584 #define cx_read(reg) readl(core->lmmio + ((reg) >> 2))
585 #define cx_write(reg, value) writel((value), core->lmmio + ((reg) >> 2))
586 #define cx_writeb(reg, value) writeb((value), core->bmmio + (reg))
588 #define cx_andor(reg, mask, value) \
589 writel((readl(core->lmmio + ((reg) >> 2)) & ~(mask)) |\
590 ((value) & (mask)), core->lmmio + ((reg) >> 2))
591 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
592 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
594 #define cx_wait(d) { if (need_resched()) schedule(); else udelay(d); }
596 /* shadow registers */
597 #define cx_sread(sreg) (core->shadow[sreg])
598 #define cx_swrite(sreg, reg, value) \
599 (core->shadow[sreg] = value, \
600 writel(core->shadow[sreg], core->lmmio + ((reg) >> 2)))
601 #define cx_sandor(sreg, reg, mask, value) \
602 (core->shadow[sreg] = (core->shadow[sreg] & ~(mask)) | \
603 ((value) & (mask)), \
604 writel(core->shadow[sreg], \
605 core->lmmio + ((reg) >> 2)))
607 /* ----------------------------------------------------------- */
610 extern unsigned int cx88_core_debug
;
612 void cx88_print_irqbits(const char *tag
, const char *strings
[],
613 int len
, u32 bits
, u32 mask
);
615 int cx88_core_irq(struct cx88_core
*core
, u32 status
);
616 void cx88_wakeup(struct cx88_core
*core
,
617 struct cx88_dmaqueue
*q
, u32 count
);
618 void cx88_shutdown(struct cx88_core
*core
);
619 int cx88_reset(struct cx88_core
*core
);
622 cx88_risc_buffer(struct pci_dev
*pci
, struct cx88_riscmem
*risc
,
623 struct scatterlist
*sglist
,
624 unsigned int top_offset
, unsigned int bottom_offset
,
625 unsigned int bpl
, unsigned int padding
, unsigned int lines
);
627 cx88_risc_databuffer(struct pci_dev
*pci
, struct cx88_riscmem
*risc
,
628 struct scatterlist
*sglist
, unsigned int bpl
,
629 unsigned int lines
, unsigned int lpi
);
631 void cx88_risc_disasm(struct cx88_core
*core
,
632 struct cx88_riscmem
*risc
);
633 int cx88_sram_channel_setup(struct cx88_core
*core
,
634 const struct sram_channel
*ch
,
635 unsigned int bpl
, u32 risc
);
636 void cx88_sram_channel_dump(struct cx88_core
*core
,
637 const struct sram_channel
*ch
);
639 int cx88_set_scale(struct cx88_core
*core
, unsigned int width
,
640 unsigned int height
, enum v4l2_field field
);
641 int cx88_set_tvnorm(struct cx88_core
*core
, v4l2_std_id norm
);
643 void cx88_vdev_init(struct cx88_core
*core
,
645 struct video_device
*vfd
,
646 const struct video_device
*template_
,
648 struct cx88_core
*cx88_core_get(struct pci_dev
*pci
);
649 void cx88_core_put(struct cx88_core
*core
,
650 struct pci_dev
*pci
);
652 int cx88_start_audio_dma(struct cx88_core
*core
);
653 int cx88_stop_audio_dma(struct cx88_core
*core
);
655 /* ----------------------------------------------------------- */
658 /* Can be used as g_vbi_fmt, try_vbi_fmt and s_vbi_fmt */
659 int cx8800_vbi_fmt(struct file
*file
, void *priv
,
660 struct v4l2_format
*f
);
662 void cx8800_stop_vbi_dma(struct cx8800_dev
*dev
);
663 int cx8800_restart_vbi_queue(struct cx8800_dev
*dev
, struct cx88_dmaqueue
*q
);
665 extern const struct vb2_ops cx8800_vbi_qops
;
667 /* ----------------------------------------------------------- */
670 int cx88_i2c_init(struct cx88_core
*core
, struct pci_dev
*pci
);
672 /* ----------------------------------------------------------- */
675 int cx88_tuner_callback(void *dev
, int component
, int command
, int arg
);
676 int cx88_get_resources(const struct cx88_core
*core
,
677 struct pci_dev
*pci
);
678 struct cx88_core
*cx88_core_create(struct pci_dev
*pci
, int nr
);
679 void cx88_setup_xc3028(struct cx88_core
*core
, struct xc2028_ctrl
*ctl
);
681 /* ----------------------------------------------------------- */
684 void cx88_set_tvaudio(struct cx88_core
*core
);
685 void cx88_newstation(struct cx88_core
*core
);
686 void cx88_get_stereo(struct cx88_core
*core
, struct v4l2_tuner
*t
);
687 void cx88_set_stereo(struct cx88_core
*core
, u32 mode
, int manual
);
688 int cx88_audio_thread(void *data
);
690 int cx8802_register_driver(struct cx8802_driver
*drv
);
691 int cx8802_unregister_driver(struct cx8802_driver
*drv
);
693 /* Caller must hold core->lock */
694 struct cx8802_driver
*cx8802_get_driver(struct cx8802_dev
*dev
,
695 enum cx88_board_type btype
);
697 /* ----------------------------------------------------------- */
700 s32
cx88_dsp_detect_stereo_sap(struct cx88_core
*core
);
702 /* ----------------------------------------------------------- */
705 int cx88_ir_init(struct cx88_core
*core
, struct pci_dev
*pci
);
706 int cx88_ir_fini(struct cx88_core
*core
);
707 void cx88_ir_irq(struct cx88_core
*core
);
708 int cx88_ir_start(struct cx88_core
*core
);
709 void cx88_ir_stop(struct cx88_core
*core
);
710 void cx88_i2c_init_ir(struct cx88_core
*core
);
712 /* ----------------------------------------------------------- */
715 int cx8802_buf_prepare(struct vb2_queue
*q
, struct cx8802_dev
*dev
,
716 struct cx88_buffer
*buf
);
717 void cx8802_buf_queue(struct cx8802_dev
*dev
, struct cx88_buffer
*buf
);
718 void cx8802_cancel_buffers(struct cx8802_dev
*dev
);
719 int cx8802_start_dma(struct cx8802_dev
*dev
,
720 struct cx88_dmaqueue
*q
,
721 struct cx88_buffer
*buf
);
723 /* ----------------------------------------------------------- */
725 int cx88_enum_input(struct cx88_core
*core
, struct v4l2_input
*i
);
726 int cx88_set_freq(struct cx88_core
*core
, const struct v4l2_frequency
*f
);
727 int cx88_video_mux(struct cx88_core
*core
, unsigned int input
);
728 int cx88_querycap(struct file
*file
, struct cx88_core
*core
,
729 struct v4l2_capability
*cap
);