b064945517
Some identifiers have different names between their prototypes
and the kernel-doc markup. Seome seems to be due to cut-and-paste
related issues.
Others need to be fixed, as kernel-doc markups should use this format:
identifier - description
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> # IPU3 and V4L2
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Sony CXD2820R demodulator driver
|
|
*
|
|
* Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
|
|
*/
|
|
|
|
|
|
#ifndef CXD2820R_H
|
|
#define CXD2820R_H
|
|
|
|
#include <linux/dvb/frontend.h>
|
|
|
|
#define CXD2820R_GPIO_D (0 << 0) /* disable */
|
|
#define CXD2820R_GPIO_E (1 << 0) /* enable */
|
|
#define CXD2820R_GPIO_O (0 << 1) /* output */
|
|
#define CXD2820R_GPIO_I (1 << 1) /* input */
|
|
#define CXD2820R_GPIO_L (0 << 2) /* output low */
|
|
#define CXD2820R_GPIO_H (1 << 2) /* output high */
|
|
|
|
#define CXD2820R_TS_SERIAL 0x08
|
|
#define CXD2820R_TS_SERIAL_MSB 0x28
|
|
#define CXD2820R_TS_PARALLEL 0x30
|
|
#define CXD2820R_TS_PARALLEL_MSB 0x70
|
|
|
|
/*
|
|
* I2C address: 0x6c, 0x6d
|
|
*/
|
|
|
|
/**
|
|
* struct cxd2820r_platform_data - Platform data for the cxd2820r driver
|
|
* @ts_mode: TS mode.
|
|
* @ts_clk_inv: TS clock inverted.
|
|
* @if_agc_polarity: IF AGC polarity.
|
|
* @spec_inv: Input spectrum inverted.
|
|
* @gpio_chip_base: GPIO.
|
|
* @get_dvb_frontend: Get DVB frontend.
|
|
*/
|
|
struct cxd2820r_platform_data {
|
|
u8 ts_mode;
|
|
bool ts_clk_inv;
|
|
bool if_agc_polarity;
|
|
bool spec_inv;
|
|
int **gpio_chip_base;
|
|
|
|
struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
|
|
/* private: For legacy media attach wrapper. Do not set value. */
|
|
bool attach_in_use;
|
|
};
|
|
|
|
/**
|
|
* struct cxd2820r_config - configuration for cxd2020r demod
|
|
*
|
|
* @i2c_address: Demodulator I2C address. Driver determines DVB-C slave I2C
|
|
* address automatically from master address.
|
|
* Default: none, must set. Values: 0x6c, 0x6d.
|
|
* @ts_mode: TS output mode. Default: none, must set. Values: FIXME?
|
|
* @ts_clock_inv: TS clock inverted. Default: 0. Values: 0, 1.
|
|
* @if_agc_polarity: Default: 0. Values: 0, 1
|
|
* @spec_inv: Spectrum inversion. Default: 0. Values: 0, 1.
|
|
*/
|
|
struct cxd2820r_config {
|
|
/* Demodulator I2C address.
|
|
* Driver determines DVB-C slave I2C address automatically from master
|
|
* address.
|
|
* Default: none, must set
|
|
* Values: 0x6c, 0x6d
|
|
*/
|
|
u8 i2c_address;
|
|
|
|
/* TS output mode.
|
|
* Default: none, must set.
|
|
* Values:
|
|
*/
|
|
u8 ts_mode;
|
|
|
|
/* TS clock inverted.
|
|
* Default: 0
|
|
* Values: 0, 1
|
|
*/
|
|
bool ts_clock_inv;
|
|
|
|
/* IF AGC polarity.
|
|
* Default: 0
|
|
* Values: 0, 1
|
|
*/
|
|
bool if_agc_polarity;
|
|
|
|
/* Spectrum inversion.
|
|
* Default: 0
|
|
* Values: 0, 1
|
|
*/
|
|
bool spec_inv;
|
|
};
|
|
|
|
|
|
#if IS_REACHABLE(CONFIG_DVB_CXD2820R)
|
|
/**
|
|
* cxd2820r_attach - Attach a cxd2820r demod
|
|
*
|
|
* @config: pointer to &struct cxd2820r_config with demod configuration.
|
|
* @i2c: i2c adapter to use.
|
|
* @gpio_chip_base: if zero, disables GPIO setting. Otherwise, if
|
|
* CONFIG_GPIOLIB is set dynamically allocate
|
|
* gpio base; if is not set, use its value to
|
|
* setup the GPIO pins.
|
|
*
|
|
* return: FE pointer on success, NULL on failure.
|
|
*/
|
|
extern struct dvb_frontend *cxd2820r_attach(
|
|
const struct cxd2820r_config *config,
|
|
struct i2c_adapter *i2c,
|
|
int *gpio_chip_base
|
|
);
|
|
#else
|
|
static inline struct dvb_frontend *cxd2820r_attach(
|
|
const struct cxd2820r_config *config,
|
|
struct i2c_adapter *i2c,
|
|
int *gpio_chip_base
|
|
)
|
|
{
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
|
return NULL;
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* CXD2820R_H */
|