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[media] m88ds3103: add I2C client binding

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Implement I2C client device binding.
Wrap media attach to driver I2C probe.
Add wrapper from m88ds3103_attach() to m88ds3103_probe() via driver
core in order to provide proper I2C client for legacy media attach
binding.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari
2015-04-16 20:04:55 -03:00
committed by Mauro Carvalho Chehab
父節點 befa0cc1da
當前提交 f01919e8f5
共有 3 個文件被更改，包括 251 次插入 和 94 次删除
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63
drivers/media/dvb-frontends/m88ds3103.h
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@@ -19,6 +19,63 @@
#include <linux/dvb/frontend.h>
/*
* I2C address
* 0x68,
*/
/**
* struct m88ds3103_platform_data - Platform data for the m88ds3103 driver
* @clk: Clock frequency.
* @i2c_wr_max: Max bytes I2C adapter can write at once.
* @ts_mode: TS mode.
* @ts_clk: TS clock (KHz).
* @ts_clk_pol: TS clk polarity. 1-active at falling edge; 0-active at rising
* edge.
* @spec_inv: Input spectrum inversion.
* @agc: AGC configuration.
* @agc_inv: AGC polarity.
* @clk_out: Clock output.
* @envelope_mode: DiSEqC envelope mode.
* @lnb_hv_pol: LNB H/V pin polarity. 0: pin high set to VOLTAGE_18, pin low to
* set VOLTAGE_13. 1: pin high set to VOLTAGE_13, pin low to set VOLTAGE_18.
* @lnb_en_pol: LNB enable pin polarity. 0: pin high to disable, pin low to
* enable. 1: pin high to enable, pin low to disable.
* @get_dvb_frontend: Get DVB frontend.
* @get_i2c_adapter: Get I2C adapter.
*/
struct m88ds3103_platform_data {
u32 clk;
u16 i2c_wr_max;
#define M88DS3103_TS_SERIAL 0 /* TS output pin D0, normal */
#define M88DS3103_TS_SERIAL_D7 1 /* TS output pin D7 */
#define M88DS3103_TS_PARALLEL 2 /* TS Parallel mode */
#define M88DS3103_TS_CI 3 /* TS CI Mode */
u8 ts_mode:2;
u32 ts_clk;
u8 ts_clk_pol:1;
u8 spec_inv:1;
u8 agc;
u8 agc_inv:1;
#define M88DS3103_CLOCK_OUT_DISABLED 0
#define M88DS3103_CLOCK_OUT_ENABLED 1
#define M88DS3103_CLOCK_OUT_ENABLED_DIV2 2
u8 clk_out:2;
u8 envelope_mode:1;
u8 lnb_hv_pol:1;
u8 lnb_en_pol:1;
struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *);
/* private: For legacy media attach wrapper. Do not set value. */
u8 attach_in_use:1;
};
/*
* Do not add new m88ds3103_attach() users! Use I2C bindings instead.
*/
struct m88ds3103_config {
/*
* I2C address
@@ -113,12 +170,6 @@ struct m88ds3103_config {
u8 lnb_en_pol:1;
};
/*
* Driver implements own I2C-adapter for tuner I2C access. That's since chip
* has I2C-gate control which closes gate automatically after I2C transfer.
* Using own I2C adapter we can workaround that.
*/
#if defined(CONFIG_DVB_M88DS3103) || \
(defined(CONFIG_DVB_M88DS3103_MODULE) && defined(MODULE))
extern struct dvb_frontend *m88ds3103_attach(