2 cx231xx.h - driver for Conexant Cx23100/101/102 USB video capture devices
4 Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #include <linux/videodev2.h>
26 #include <media/videobuf-vmalloc.h>
28 #include <linux/i2c.h>
29 #include <linux/i2c-algo-bit.h>
30 #include <linux/mutex.h>
31 #include <media/ir-kbd-i2c.h>
32 #if defined(CONFIG_VIDEO_CX231XX_DVB) || defined(CONFIG_VIDEO_CX231XX_DVB_MODULE)
33 #include <media/videobuf-dvb.h>
36 #include "cx231xx-reg.h"
37 #include "cx231xx-pcb-config.h"
38 #include "cx231xx-conf-reg.h"
40 #define CX231XX_VERSION_CODE KERNEL_VERSION(0, 1, 0)
41 #define DRIVER_NAME "cx231xx"
42 #define PWR_SLEEP_INTERVAL 5
44 /* I2C addresses for control block in Cx231xx */
45 #define Colibri_DEVICE_ADDRESS 0x60
46 #define Flatrion_DEVICE_ADDRESS 0x98
47 #define HAMMERHEAD_I2C_ADDRESS 0x88
48 #define DIF_USE_BASEBAND 0xFFFFFFFF
50 /* Boards supported by driver */
51 #define CX231XX_BOARD_UNKNOWN 0
52 #define CX231XX_BOARD_CNXT_RDE_250 1
53 #define CX231XX_BOARD_CNXT_RDU_250 2
55 /* Limits minimum and default number of buffers */
56 #define CX231XX_MIN_BUF 4
57 #define CX231XX_DEF_BUF 12
58 #define CX231XX_DEF_VBI_BUF 6
60 #define VBI_LINE_COUNT 17
61 #define VBI_LINE_LENGTH 1440
63 /*Limits the max URB message size */
64 #define URB_MAX_CTRL_SIZE 80
66 /* Params for validated field */
67 #define CX231XX_BOARD_NOT_VALIDATED 1
68 #define CX231XX_BOARD_VALIDATED 0
70 /* maximum number of cx231xx boards */
71 #define CX231XX_MAXBOARDS 8
73 /* maximum number of frames that can be queued */
74 #define CX231XX_NUM_FRAMES 5
76 /* number of buffers for isoc transfers */
77 #define CX231XX_NUM_BUFS 8
79 /* number of packets for each buffer
80 windows requests only 40 packets .. so we better do the same
81 this is what I found out for all alternate numbers there!
83 #define CX231XX_NUM_PACKETS 40
86 /* default alternate; 0 means choose the best */
87 #define CX231XX_PINOUT 0
89 #define CX231XX_INTERLACED_DEFAULT 1
92 /* time to wait when stopping the isoc transfer */
93 #define CX231XX_URB_TIMEOUT msecs_to_jiffies(CX231XX_NUM_BUFS * CX231XX_NUM_PACKETS)
102 enum cx231xx_std_mode {
107 enum cx231xx_stream_state {
115 struct cx231xx_usb_isoc_ctl {
116 /* max packet size of isoc transaction */
119 /* number of allocated urbs */
122 /* urb for isoc transfers */
125 /* transfer buffers for isoc transfer */
126 char **transfer_buffer;
128 /* Last buffer command and region */
130 int pos, size, pktsize;
132 /* Last field: ODD or EVEN? */
135 /* Stores incomplete commands */
139 /* Stores already requested buffers */
140 struct cx231xx_buffer *buf;
142 /* Stores the number of received fields */
145 /* isoc urb callback */
146 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb);
154 u32 fourcc; /* v4l2 format id */
159 /* buffer for one video frame */
160 struct cx231xx_buffer {
161 /* common v4l buffer stuff -- must be first */
162 struct videobuf_buffer vb;
164 struct list_head frame;
169 struct cx231xx_dmaqueue {
170 struct list_head active;
171 struct list_head queued;
173 wait_queue_head_t wq;
175 /* Counters to control buffer fill */
181 u32 bytes_left_in_line;
190 #define MAX_CX231XX_INPUT 4
193 CX231XX_VMUX_COMPOSITE1 = 1,
195 CX231XX_VMUX_TELEVISION,
202 enum cx231xx_v_input {
203 CX231XX_VIN_1_1 = 0x1,
207 CX231XX_VIN_1_2 = 0x01,
210 CX231XX_VIN_1_3 = 0x1,
215 /* cx231xx has two audio inputs: tuner and line in */
217 /* This is the only entry for cx231xx tuner input */
218 CX231XX_AMUX_VIDEO, /* cx231xx tuner*/
219 CX231XX_AMUX_LINE_IN, /* Line In */
222 struct cx231xx_reg_seq {
228 struct cx231xx_input {
229 enum cx231xx_itype type;
231 enum cx231xx_amux amux;
232 struct cx231xx_reg_seq *gpio;
235 #define INPUT(nr) (&cx231xx_boards[dev->model].input[nr])
237 enum cx231xx_decoder {
242 typedef enum _I2C_MASTER_PORT
248 }CX231XX_I2C_MASTER_PORT;
250 struct cx231xx_board {
255 v4l2_std_id norm; /* tv norm */
259 u8 demod_xfer_mode; /* 0 - Serial; 1 - parallel */
262 struct cx231xx_reg_seq *dvb_gpio;
263 struct cx231xx_reg_seq *suspend_gpio;
264 struct cx231xx_reg_seq *tuner_gpio;
270 u32 ctl_pin_status_mask;
271 u8 agc_analog_digital_select_gpio;
272 u32 gpio_pin_status_mask;
278 unsigned int max_range_640_480:1;
279 unsigned int has_dvb:1;
280 unsigned int valid:1;
282 unsigned char xclk, i2c_speed;
284 enum cx231xx_decoder decoder;
286 struct cx231xx_input input[MAX_CX231XX_INPUT];
287 struct cx231xx_input radio;
288 IR_KEYTAB_TYPE *ir_codes;
292 enum cx231xx_dev_state {
293 DEV_INITIALIZED = 0x01,
294 DEV_DISCONNECTED = 0x02,
295 DEV_MISCONFIGURED = 0x04,
311 AUDIO_INPUT_TUNER_TV,
316 #define CX231XX_AUDIO_BUFS 5
317 #define CX231XX_NUM_AUDIO_PACKETS 64
318 #define CX231XX_CAPTURE_STREAM_EN 1
319 #define CX231XX_STOP_AUDIO 0
320 #define CX231XX_START_AUDIO 1
323 /* cx231xx extensions */
324 #define CX231XX_AUDIO 0x10
325 #define CX231XX_DVB 0x20
327 struct cx231xx_audio {
329 char *transfer_buffer[CX231XX_AUDIO_BUFS];
330 struct urb *urb[CX231XX_AUDIO_BUFS];
331 struct usb_device *udev;
332 unsigned int capture_transfer_done;
333 struct snd_pcm_substream *capture_pcm_substream;
335 unsigned int hwptr_done_capture;
336 struct snd_card *sndcard;
339 enum cx231xx_stream_state capture_stream;
342 int alt; /* alternate */
343 int max_pkt_size; /* max packet size of isoc transaction */
344 int num_alt; /* Number of alternative settings */
345 unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
353 unsigned int stream_on:1; /* Locks streams */
356 struct videobuf_queue vb_vidq;
358 enum v4l2_buf_type type;
361 /**********************************************************************************/
363 #define I2C_SPEED_1M 0x0 /* 00--1Mb/s, 01-400kb/s, 10--100kb/s, 11--5Mb/s */
364 #define I2C_SPEED_400K 0x1 /* 00--1Mb/s, 01-400kb/s, 10--100kb/s, 11--5Mb/s */
365 #define I2C_SPEED_100K 0x2 /* 00--1Mb/s, 01-400kb/s, 10--100kb/s, 11--5Mb/s */
366 #define I2C_SPEED_5M 0x3 /* 00--1Mb/s, 01-400kb/s, 10--100kb/s, 11--5Mb/s */
368 #define I2C_STOP 0x0 /* 0-- STOP transaction */
369 #define I2C_NOSTOP 0x1 /* 1-- do not transmit STOP at end of transaction */
370 #define I2C_SYNC 0x1 /* 1--alllow slave to insert clock wait states */
378 struct i2c_adapter i2c_adap;
379 struct i2c_algo_bit_data i2c_algo;
380 struct i2c_client i2c_client;
383 /* different settings for each bus */
389 struct cx231xx_i2c_xfer_data{
391 u8 direction; /* 1 - IN, 0 - OUT */
392 u8 saddr_len; /* sub address len */
393 u16 saddr_dat; /* sub addr data */
394 u8 buf_size; /* buffer size */
395 u8* p_buffer; /* pointer to the buffer */
398 typedef struct _VENDOR_REQUEST_IN
407 } VENDOR_REQUEST_IN, *PVENDOR_REQUEST_IN;
409 struct cx231xx_ctrl {
410 struct v4l2_queryctrl v;
421 Sliced_cc, /* HANC */
427 struct cx231xx_video_mode {
428 /* Isoc control struct */
429 struct cx231xx_dmaqueue vidq;
430 struct cx231xx_usb_isoc_ctl isoc_ctl;
434 int alt; /* alternate */
435 int max_pkt_size; /* max packet size of isoc transaction */
436 int num_alt; /* Number of alternative settings */
437 unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
442 /* main device struct */
444 /* generic device properties */
445 char name[30]; /* name (including minor) of the device */
446 int model; /* index in the device_data struct */
447 int devno; /* marks the number of this device */
449 struct cx231xx_board board;
451 unsigned int stream_on:1; /* Locks streams */
452 unsigned int vbi_stream_on:1; /* Locks streams for VBI */
453 unsigned int has_audio_class:1;
454 unsigned int has_alsa_audio:1;
456 struct cx231xx_fmt *format;
458 struct cx231xx_IR *ir;
460 struct list_head devlist;
462 int tuner_type; /* type of the tuner */
463 int tuner_addr; /* tuner address */
465 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
466 struct cx231xx_i2c i2c_bus[3];
467 unsigned int xc_fw_load_done:1;
468 struct mutex gpio_i2c_lock;
470 /* video for linux */
471 int users; /* user count for exclusive use */
472 struct video_device *vdev; /* video for linux device struct */
473 v4l2_std_id norm; /* selected tv norm */
474 int ctl_freq; /* selected frequency */
475 unsigned int ctl_ainput; /* selected audio input */
479 /* frame properties */
480 int width; /* current frame width */
481 int height; /* current frame height */
482 unsigned hscale; /* horizontal scale factor (see datasheet) */
483 unsigned vscale; /* vertical scale factor (see datasheet) */
484 int interlaced; /* 1=interlace fileds, 0=just top fileds */
486 struct cx231xx_audio adev;
489 enum cx231xx_dev_state state;
491 struct work_struct request_module_wk;
495 struct mutex ctrl_urb_lock; /* protects urb_buf */
496 struct list_head inqueue, outqueue;
497 wait_queue_head_t open, wait_frame, wait_stream;
498 struct video_device *vbi_dev;
499 struct video_device *radio_dev;
501 unsigned char eedata[256];
503 struct cx231xx_video_mode video_mode;
504 struct cx231xx_video_mode vbi_mode;
505 struct cx231xx_video_mode sliced_cc_mode;
506 struct cx231xx_video_mode ts1_mode;
508 struct usb_device *udev; /* the usb device */
509 char urb_buf[URB_MAX_CTRL_SIZE];/* urb control msg buffer */
512 /* helper funcs that call usb_control_msg */
513 int (*cx231xx_read_ctrl_reg) (struct cx231xx *dev, u8 req, u16 reg,
515 int (*cx231xx_write_ctrl_reg)(struct cx231xx *dev, u8 req, u16 reg,
517 int (*cx231xx_send_usb_command)(struct cx231xx_i2c *i2c_bus,
518 struct cx231xx_i2c_xfer_data *req_data);
519 int (*cx231xx_gpio_i2c_read)(struct cx231xx *dev, u8 dev_addr, u8 *buf ,u8 len);
520 int (*cx231xx_gpio_i2c_write)(struct cx231xx *dev, u8 dev_addr, u8 *buf ,u8 len);
522 int (*cx231xx_set_analog_freq)(struct cx231xx *dev, u32 freq ) ;
523 int (*cx231xx_reset_analog_tuner)(struct cx231xx *dev) ;
525 enum cx231xx_mode mode;
527 struct cx231xx_dvb *dvb;
529 /* Cx231xx supported PCB config's */
530 struct pcb_config current_pcb_config;
531 u8 current_scenario_idx;
533 u8 max_iad_interface_count;
535 /* GPIO related register direction and values */
542 /* colibri parameters */
543 enum AFE_MODE colibri_mode;
544 u32 colibri_ref_count;
546 /* video related parameters */
549 u8 vbi_or_sliced_cc_mode; /* 0 - vbi ; 1 - sliced cc mode */
550 enum cx231xx_std_mode std_mode; /* 0 - Air; 1 - cable */
555 struct list_head next;
558 int (*init)(struct cx231xx *);
559 int (*fini)(struct cx231xx *);
562 /* call back functions in dvb module */
563 int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq ) ;
564 int cx231xx_reset_analog_tuner(struct cx231xx *dev) ;
566 /* Provided by cx231xx-i2c.c */
567 void cx231xx_i2c_call_clients(struct cx231xx_i2c *bus, unsigned int cmd, void *arg);
568 void cx231xx_do_i2c_scan(struct cx231xx *dev, struct i2c_client *c);
569 int cx231xx_i2c_register(struct cx231xx_i2c *bus);
570 int cx231xx_i2c_unregister(struct cx231xx_i2c *bus);
572 /* Internal block control functions */
573 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr,
574 u16 saddr, u8 saddr_len, u32 *data, u8 data_len);
575 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr,
576 u16 saddr, u8 saddr_len, u32 data, u8 data_len);
577 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size, u16 register_address,
578 u8 bit_start,u8 bit_end, u32 value);
579 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
580 u16 saddr, u32 mask, u32 value);
581 u32 cx231xx_set_field(u32 field_mask, u32 data);
583 /* Colibri related functions */
584 int cx231xx_colibri_init_super_block(struct cx231xx *dev, u32 ref_count);
585 int cx231xx_colibri_init_channels(struct cx231xx *dev);
586 int cx231xx_colibri_setup_AFE_for_baseband(struct cx231xx *dev);
587 int cx231xx_colibri_set_input_mux(struct cx231xx *dev, u32 input_mux);
588 int cx231xx_colibri_set_mode(struct cx231xx *dev, enum AFE_MODE mode);
589 int cx231xx_colibri_update_power_control(struct cx231xx *dev, AV_MODE avmode);
590 int cx231xx_colibri_adjust_ref_count(struct cx231xx *dev, u32 video_input);
592 /* flatiron related functions */
593 int cx231xx_flatiron_initialize(struct cx231xx *dev);
594 int cx231xx_flatiron_update_power_control(struct cx231xx *dev, AV_MODE avmode);
595 int cx231xx_flatiron_set_audio_input(struct cx231xx *dev, u8 audio_input);
597 /* DIF related functions */
598 int cx231xx_dif_configure_C2HH_for_low_IF(struct cx231xx *dev, u32 mode,
599 u32 function_mode, u32 standard);
600 int cx231xx_dif_set_standard(struct cx231xx *dev, u32 standard);
601 int cx231xx_tuner_pre_channel_change(struct cx231xx *dev);
602 int cx231xx_tuner_post_channel_change(struct cx231xx *dev);
604 /* video parser functions */
605 u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used);
606 u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf, u32 *p_bytes_used);
607 int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
608 u8 *p_buffer, u32 bytes_to_copy);
609 void cx231xx_reset_video_buffer(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q);
610 u8 cx231xx_is_buffer_done(struct cx231xx *dev,struct cx231xx_dmaqueue *dma_q);
611 u32 cx231xx_copy_video_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
612 u8 *p_line, u32 length, int field_number);
613 u32 cx231xx_get_video_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
614 u8 sav_eav, u8 *p_buffer, u32 buffer_size);
615 void cx231xx_swab(u16 *from, u16 *to, u16 len);
617 /* Provided by cx231xx-core.c */
619 u32 cx231xx_request_buffers(struct cx231xx *dev, u32 count);
620 void cx231xx_queue_unusedframes(struct cx231xx *dev);
621 void cx231xx_release_buffers(struct cx231xx *dev);
623 /* read from control pipe */
624 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
627 /* write to control pipe */
628 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
630 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode);
632 int cx231xx_send_vendor_cmd(struct cx231xx *dev, VENDOR_REQUEST_IN *ven_req);
633 int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
634 struct cx231xx_i2c_xfer_data *req_data);
636 /* Gpio related functions */
637 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8* gpio_val,
638 u8 len, u8 request, u8 direction);
639 int cx231xx_set_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u8* gpio_val);
640 int cx231xx_get_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u8* gpio_val);
641 int cx231xx_set_gpio_value(struct cx231xx *dev, int pin_number, int pin_value);
642 int cx231xx_set_gpio_direction(struct cx231xx *dev, int pin_number, int pin_value);
644 int cx231xx_gpio_i2c_start(struct cx231xx *dev);
645 int cx231xx_gpio_i2c_end(struct cx231xx *dev);
646 int cx231xx_gpio_i2c_write_byte(struct cx231xx *dev, u8 data);
647 int cx231xx_gpio_i2c_read_byte(struct cx231xx *dev, u8 *buf);
648 int cx231xx_gpio_i2c_read_ack(struct cx231xx *dev);
649 int cx231xx_gpio_i2c_write_ack(struct cx231xx *dev);
650 int cx231xx_gpio_i2c_write_nak(struct cx231xx *dev);
652 int cx231xx_gpio_i2c_read(struct cx231xx *dev, u8 dev_addr, u8 *buf ,u8 len);
653 int cx231xx_gpio_i2c_write(struct cx231xx *dev, u8 dev_addr, u8 *buf ,u8 len);
655 /* audio related functions */
656 int cx231xx_set_audio_decoder_input(struct cx231xx *dev, enum AUDIO_INPUT audio_input);
658 int cx231xx_capture_start(struct cx231xx *dev, int start, u8 media_type);
659 int cx231xx_resolution_set(struct cx231xx *dev);
660 int cx231xx_set_video_alternate(struct cx231xx *dev);
661 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt);
662 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
663 int num_bufs, int max_pkt_size,
664 int (*isoc_copy) (struct cx231xx *dev, struct urb *urb));
665 void cx231xx_uninit_isoc(struct cx231xx *dev);
666 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode);
667 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio);
669 /* Device list functions */
670 void cx231xx_release_resources(struct cx231xx *dev);
671 void cx231xx_release_analog_resources(struct cx231xx *dev);
672 int cx231xx_register_analog_devices(struct cx231xx *dev);
673 void cx231xx_remove_from_devlist(struct cx231xx *dev);
674 void cx231xx_add_into_devlist(struct cx231xx *dev);
675 struct cx231xx *cx231xx_get_device(int minor,
676 enum v4l2_buf_type *fh_type, int *has_radio);
677 void cx231xx_init_extension(struct cx231xx *dev);
678 void cx231xx_close_extension(struct cx231xx *dev);
680 /* hardware init functions */
681 int cx231xx_dev_init(struct cx231xx *dev);
682 void cx231xx_dev_uninit(struct cx231xx *dev);
683 void cx231xx_config_i2c(struct cx231xx *dev);
684 int cx231xx_config(struct cx231xx *dev);
686 /* Stream control functions */
687 int cx231xx_start_stream(struct cx231xx *dev, u32 ep_mask);
688 int cx231xx_stop_stream(struct cx231xx *dev, u32 ep_mask);
690 int cx231xx_initialize_stream_xfer(struct cx231xx *dev, u32 media_type);
692 /* Power control functions */
693 int cx231xx_set_power_mode(struct cx231xx *dev, AV_MODE mode);
694 int cx231xx_power_suspend(struct cx231xx *dev);
696 /* chip specific control functions */
697 int cx231xx_init_ctrl_pin_status(struct cx231xx *dev);
698 int cx231xx_set_agc_analog_digital_mux_select(struct cx231xx *dev, u8 analog_or_digital);
699 int cx231xx_enable_i2c_for_tuner(struct cx231xx *dev, u8 I2CIndex);
701 /* video audio decoder related functions */
702 void video_mux(struct cx231xx *dev, int index);
703 int cx231xx_set_video_input_mux(struct cx231xx *dev, u8 input);
704 int cx231xx_set_decoder_video_input(struct cx231xx *dev, u8 pin_type, u8 input);
705 int cx231xx_do_mode_ctrl_overrides(struct cx231xx *dev);
706 int cx231xx_set_audio_input(struct cx231xx *dev, u8 input);
707 void get_scale(struct cx231xx *dev,
708 unsigned int width, unsigned int height,
709 unsigned int *hscale, unsigned int *vscale);
711 /* Provided by cx231xx-video.c */
712 int cx231xx_register_extension(struct cx231xx_ops *dev);
713 void cx231xx_unregister_extension(struct cx231xx_ops *dev);
714 void cx231xx_init_extension(struct cx231xx *dev);
715 void cx231xx_close_extension(struct cx231xx *dev);
717 /* Provided by cx231xx-cards.c */
718 extern void cx231xx_pre_card_setup(struct cx231xx *dev);
719 extern void cx231xx_card_setup(struct cx231xx *dev);
720 extern struct cx231xx_board cx231xx_boards[];
721 extern struct usb_device_id cx231xx_id_table[];
722 extern const unsigned int cx231xx_bcount;
723 void cx231xx_set_ir(struct cx231xx *dev, struct IR_i2c *ir);
724 int cx231xx_tuner_callback(void *ptr, int component, int command, int arg);
726 /* Provided by cx231xx-input.c */
727 int cx231xx_ir_init(struct cx231xx *dev);
728 int cx231xx_ir_fini(struct cx231xx *dev);
732 #define cx231xx_err(fmt, arg...) do {\
733 printk(KERN_ERR fmt , ##arg); } while (0)
735 #define cx231xx_errdev(fmt, arg...) do {\
736 printk(KERN_ERR "%s: "fmt,\
737 dev->name , ##arg); } while (0)
739 #define cx231xx_info(fmt, arg...) do {\
740 printk(KERN_INFO "%s: "fmt,\
741 dev->name , ##arg); } while (0)
742 #define cx231xx_warn(fmt, arg...) do {\
743 printk(KERN_WARNING "%s: "fmt,\
744 dev->name , ##arg); } while (0)
747 static inline unsigned int norm_maxw(struct cx231xx *dev)
749 if (dev->board.max_range_640_480)
755 static inline unsigned int norm_maxh(struct cx231xx *dev)
757 if (dev->board.max_range_640_480)
760 return (dev->norm & V4L2_STD_625_50) ? 576 : 480;