pandory500/oleavr-rgl-a500-mini-linux-3.10
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Ole André Vadla Ravnås 2022-05-07 01:01:45 +02:00
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drivers/media/dvb-frontends/drxk.h Normal file
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#ifndef _DRXK_H_
#define _DRXK_H_
#include <linux/kconfig.h>
#include <linux/types.h>
#include <linux/i2c.h>
/**
* struct drxk_config - Configure the initial parameters for DRX-K
*
* @adr: I2C Address of the DRX-K
* @parallel_ts: True means that the device uses parallel TS,
* Serial otherwise.
* @dynamic_clk: True means that the clock will be dynamically
* adjusted. Static clock otherwise.
* @enable_merr_cfg: Enable SIO_PDR_PERR_CFG/SIO_PDR_MVAL_CFG.
* @single_master: Device is on the single master mode
* @no_i2c_bridge: Don't switch the I2C bridge to talk with tuner
* @antenna_gpio: GPIO bit used to control the antenna
* @antenna_dvbt: GPIO bit for changing antenna to DVB-C. A value of 1
* means that 1=DVBC, 0 = DVBT. Zero means the opposite.
* @mpeg_out_clk_strength: DRXK Mpeg output clock drive strength.
* @microcode_name: Name of the firmware file with the microcode
* @qam_demod_parameter_count: The number of parameters used for the command
* to set the demodulator parameters. All
* firmwares are using the 2-parameter commmand.
* An exception is the "drxk_a3.mc" firmware,
* which uses the 4-parameter command.
* A value of 0 (default) or lower indicates that
* the correct number of parameters will be
* automatically detected.
* @load_firmware_sync: Force the firmware load to be synchronous.
*
* On the *_gpio vars, bit 0 is UIO-1, bit 1 is UIO-2 and bit 2 is
* UIO-3.
*/
struct drxk_config {
u8 adr;
bool single_master;
bool no_i2c_bridge;
bool parallel_ts;
bool dynamic_clk;
bool enable_merr_cfg;
bool load_firmware_sync;
bool antenna_dvbt;
u16 antenna_gpio;
u8 mpeg_out_clk_strength;
int chunk_size;
const char *microcode_name;
int qam_demod_parameter_count;
};
#if IS_ENABLED(CONFIG_DVB_DRXK)
extern struct dvb_frontend *drxk_attach(const struct drxk_config *config,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *drxk_attach(const struct drxk_config *config,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif