mirror of https://gitee.com/openkylin/linux.git
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
#ifndef _DRXK_H_
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#define _DRXK_H_
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#include <linux/types.h>
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#include <linux/i2c.h>
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/**
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* struct drxk_config - Configure the initial parameters for DRX-K
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*
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* adr: I2C Address of the DRX-K
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* single_master: Device is on the single master mode
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* no_i2c_bridge: Don't switch the I2C bridge to talk with tuner
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* antenna_gpio: GPIO bit used to control the antenna
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* antenna_dvbt: GPIO bit for changing antenna to DVB-C. A value of 1
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* means that 1=DVBC, 0 = DVBT. Zero means the opposite.
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* microcode_name: Name of the firmware file with the microcode
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*
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* On the *_gpio vars, bit 0 is UIO-1, bit 1 is UIO-2 and bit 2 is
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* UIO-3.
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*/
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struct drxk_config {
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u8 adr;
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bool single_master;
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bool no_i2c_bridge;
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bool antenna_dvbt;
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u16 antenna_gpio;
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int chunk_size;
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const char *microcode_name;
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};
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#if defined(CONFIG_DVB_DRXK) || (defined(CONFIG_DVB_DRXK_MODULE) \
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&& defined(MODULE))
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extern struct dvb_frontend *drxk_attach(const struct drxk_config *config,
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struct i2c_adapter *i2c,
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struct dvb_frontend **fe_t);
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#else
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static inline struct dvb_frontend *drxk_attach(const struct drxk_config *config,
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struct i2c_adapter *i2c,
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struct dvb_frontend **fe_t)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif
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#endif
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