android_kernel_xiaomi_sm8350/drivers/media/common/tuners/tuner-xc2028.h
Mauro Carvalho Chehab 2d5024a9e9 V4L/DVB (12825): tm6000: I2C reading operations is not reliable on tm6000
tm6000 sometimes can't read from i2c, but this is currently required for
tuner-xc2028 to work.

This patch adds an option to tuner-xc2028 to not rely on i2c reading.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-18 00:40:06 -03:00

72 lines
1.8 KiB
C

/* tuner-xc2028
*
* Copyright (c) 2007-2008 Mauro Carvalho Chehab (mchehab@infradead.org)
* This code is placed under the terms of the GNU General Public License v2
*/
#ifndef __TUNER_XC2028_H__
#define __TUNER_XC2028_H__
#include "dvb_frontend.h"
#define XC2028_DEFAULT_FIRMWARE "xc3028-v27.fw"
#define XC3028L_DEFAULT_FIRMWARE "xc3028L-v36.fw"
/* Dmoduler IF (kHz) */
#define XC3028_FE_DEFAULT 0 /* Don't load SCODE */
#define XC3028_FE_LG60 6000
#define XC3028_FE_ATI638 6380
#define XC3028_FE_OREN538 5380
#define XC3028_FE_OREN36 3600
#define XC3028_FE_TOYOTA388 3880
#define XC3028_FE_TOYOTA794 7940
#define XC3028_FE_DIBCOM52 5200
#define XC3028_FE_ZARLINK456 4560
#define XC3028_FE_CHINA 5200
enum firmware_type {
XC2028_AUTO = 0, /* By default, auto-detects */
XC2028_D2633,
XC2028_D2620,
};
struct xc2028_ctrl {
char *fname;
int max_len;
int msleep;
unsigned int scode_table;
unsigned int mts :1;
unsigned int input1:1;
unsigned int vhfbw7:1;
unsigned int uhfbw8:1;
unsigned int disable_power_mgmt:1;
unsigned int read_not_reliable:1;
unsigned int demod;
enum firmware_type type:2;
};
struct xc2028_config {
struct i2c_adapter *i2c_adap;
u8 i2c_addr;
struct xc2028_ctrl *ctrl;
};
/* xc2028 commands for callback */
#define XC2028_TUNER_RESET 0
#define XC2028_RESET_CLK 1
#if defined(CONFIG_MEDIA_TUNER_XC2028) || (defined(CONFIG_MEDIA_TUNER_XC2028_MODULE) && defined(MODULE))
extern struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
struct xc2028_config *cfg);
#else
static inline struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
struct xc2028_config *cfg)
{
printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
__func__);
return NULL;
}
#endif
#endif /* __TUNER_XC2028_H__ */