include/linux/amlogic/aml_demod_common.h - manifest_repos/kernel - Git at Google

 /* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
 /*
  * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
  */

 #ifndef __AML_DEMOD_COMMON_H__
 #define __AML_DEMOD_COMMON_H__

 #include <linux/i2c.h>
 #include <uapi/linux/videodev2.h>
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
 #include <linux/of_gpio.h>
 #include <linux/dvb/frontend.h>

 enum tuner_type {
 	AM_TUNER_NONE = 0,
 	AM_TUNER_SI2176 = 1,
 	AM_TUNER_SI2196 = 2,
 	AM_TUNER_FQ1216 = 3,
 	AM_TUNER_HTM = 4,
 	AM_TUNER_CTC703 = 5,
 	AM_TUNER_SI2177 = 6,
 	AM_TUNER_R840 = 7,
 	AM_TUNER_SI2157 = 8,
 	AM_TUNER_SI2151 = 9,
 	AM_TUNER_MXL661 = 10,
 	AM_TUNER_MXL608 = 11,
 	AM_TUNER_SI2159 = 12,
 	AM_TUNER_R842 = 13,
 	AM_TUNER_ATBM2040 = 14,
 	AM_TUNER_ATBM253 = 15,
 	AM_TUNER_SI2124 = 16,
 	AM_TUNER_AV2011 = 17,
 	AM_TUNER_AV2012 = 18,
 	AM_TUNER_AV2018 = 19,
 	AM_TUNER_R836 = 20,
 	AM_TUNER_R848 = 21,
 	AM_TUNER_MXL603 = 22,
 	AM_TUNER_RT710 = 23,
 	AM_TUNER_R850 = 24
 };

 enum atv_demod_type {
 	AM_ATV_DEMOD_NONE   = 0,
 	AM_ATV_DEMOD_SI2176 = 1,
 	AM_ATV_DEMOD_SI2196 = 2,
 	AM_ATV_DEMOD_FQ1216 = 3,
 	AM_ATV_DEMOD_HTM    = 4,
 	AM_ATV_DEMOD_CTC703 = 5,
 	AM_ATV_DEMOD_SI2177 = 6,
 	AM_ATV_DEMOD_AMLATV = 7
 };

 enum dtv_demod_type {
 	AM_DTV_DEMOD_NONE     = 0,
 	AM_DTV_DEMOD_AMLDTV   = 1,
 	AM_DTV_DEMOD_M1       = 2,
 	AM_DTV_DEMOD_MXL101   = 3,
 	AM_DTV_DEMOD_AVL6211  = 4,
 	AM_DTV_DEMOD_SI2168   = 5,
 	AM_DTV_DEMOD_ITE9133  = 6,
 	AM_DTV_DEMOD_ITE9173  = 7,
 	AM_DTV_DEMOD_DIB8096  = 8,
 	AM_DTV_DEMOD_ATBM8869 = 9,
 	AM_DTV_DEMOD_MXL241   = 10,
 	AM_DTV_DEMOD_AVL68xx  = 11,
 	AM_DTV_DEMOD_MXL683   = 12,
 	AM_DTV_DEMOD_ATBM8881 = 13,
 	AM_DTV_DEMOD_ATBM7821 = 14,
 	AM_DTV_DEMOD_AVL6762  = 15,
 	AM_DTV_DEMOD_CXD2856  = 16,
 	AM_DTV_DEMOD_MXL248   = 17,
 	AM_DTV_DEMOD_M88DM6K  = 18,
 	AM_DTV_DEMOD_MN88436  = 19,
 	AM_DTV_DEMOD_MXL212C  = 20,
 	AM_DTV_DEMOD_MXL213C  = 21,
 	AM_DTV_DEMOD_MXL214C  = 22,
 	AM_DTV_DEMOD_MXL252C  = 23,
 	AM_DTV_DEMOD_MXL254C  = 24,
 	AM_DTV_DEMOD_MXL256C  = 25,
 	AM_DTV_DEMOD_MXL258C  = 26,
 	AM_DTV_DEMOD_SI2169   = 27,
 	AM_DTV_DEMOD_AVL6221C = 28
 };

 enum aml_fe_dev_type {
 	AM_DEV_TUNER,
 	AM_DEV_ATV_DEMOD,
 	AM_DEV_DTV_DEMOD
 };

 /* For configure gpio */
 struct gpio_config {
 	s32 pin; /* gpio pin */
 	u8 dir; /* direction, 0: out, 1: in. */
 	u32 value; /* input or output active value */
 	u32 reserved0;
 	u32 reserved1;
 };

 /* For configure different tuners */
 /* It can add fields as extensions */
 struct tuner_config {
 	char *name;
 	u32 code; /* tuner chip code */
 	u8 id; /* enum tuner type */
 	u8 i2c_addr;
 	u8 i2c_id;
 	struct i2c_adapter *i2c_adap;
 	u8 xtal; /* 0: 16MHz, 1: 24MHz, 3: 27MHz */
 	u32 xtal_cap; /* load capacitor */
 	u8 xtal_mode;
 	u8 lt_out; /* loop through out, 0: off, 1: on. */
 	u8 dual_power; /* 0: 3.3v, 1: 1.8v and 3.3v. */
 	u8 if_agc; /* 0: self, 1: external. */
 	u8 if_hz; /* output intermediate frequency. */
 	u8 if_invert; /* spectrum, 0: normal, 1: inverted. */
 	u8 if_amp; /* output intermediate frequency amplitude. */

 	u8 detect; /* whether detect is required, 0 - off, 1 - on. */

 	/* tuner reset gpio, it can be implemented by RC circuit. */
 	struct gpio_config reset;
 	struct gpio_config power;

 	u32 reserved0;
 	u32 reserved1;
 };

 /* For configure different demod */
 struct demod_config {
 	char *name;
 	u32 code; /* demod chip code. */
 	u8 id; /* enum demod type. */
 	u8 mode; /* 0: internal, 1: external. */
 	u8 xtal; /* demod xtal. */
 	u8 ts; /* demux ts in port. */
 	u8 ts_out_mode; /* serial or parallel; 0: serial, 1: parallel. */
 	u8 ts_data_pin; /* serial output pin of TS data. */
 	u8 ts_wire_mode; /* serial ts wire mode, 0: four-wire, 1: three-wire. */

 	/* serial ts multiplexer mode,
 	 * 0: NO_MUX_4, 1: MUX_1, 2: MUX_2, 3: MUX_3, 4: MUX_4, 5: MUX_2_B, 6: NO_MUX_2.
 	 */
 	u8 ts_mux_mode;

 	u8 ts_out_order; /* parallel/serial output bit order; 0: LSB, 1: MSB. */
 	u8 ts_out_bits; /* parallel output bits */
 	u8 ts_sync_width; /* 0: bit, 1: byte. */

 	/* for mixed ts packet stream. */
 	u8 ts_packet_mode; /* 0: add header, 1: remapping pid. */
 	u8 ts_header_bytes; /* add header to every packet, 4/8/12 bytes. */
 	u8 ts_header_data[12];
 	u8 ts_remap_cnt; /* remapping pid. */
 	u16 *ts_pid;
 	u16 *ts_remap_pid;

 	/* ts output clock, 0: self-adaption, clock frequency
 	 * is set according to the output bit rate.
 	 */
 	u32 ts_clk;

 	/* ts clock polarity.
 	 * 0: Falling / Negative edge.
 	 * 1: Rising / Positive edge.
 	 */
 	u8 ts_clk_pol;

 	u8 detect; /* whether detect is required, 0 - off, 1 - on. */

 	u8 i2c_addr;
 	u8 i2c_id;
 	struct i2c_adapter *i2c_adap;

 	struct tuner_config tuner0; /* TC */
 	struct tuner_config tuner1; /* S */

 	struct gpio_config reset;
 	struct gpio_config ant_power;
 	struct gpio_config lnb_en;
 	struct gpio_config lnb_sel;
 	struct gpio_config other;

 	u8 reserved0;
 	u8 reserved1;
 };

 /* For configure multi-tuner */
 struct aml_tuner {
 	struct tuner_config cfg;
 	unsigned int i2c_adapter_id;
 };

 /** generic AML DVB attach function. */
 #if (defined CONFIG_AMLOGIC_DVB_EXTERN ||\
 		defined CONFIG_AMLOGIC_DVB_EXTERN_MODULE)
 #define aml_dvb_attach(FUNCTION, ARGS...) ({ \
 	void *__r = NULL; \
 	typeof(&FUNCTION) __a = symbol_request(FUNCTION); \
 	if (__a) { \
 		__r = (void *) __a(ARGS); \
 		if (__r == NULL) \
 			symbol_put(FUNCTION); \
 	} else { \
 		printk(KERN_ERR "AML DVB: Unable to find symbol " \
 			#FUNCTION"()\n"); \
 	} \
 	__r; \
 })

 #define aml_dvb_detach(FUNC) symbol_put_addr(FUNC)

 #define AML_DEMOD_ATTACH_FUNCTION(name) \
 static inline struct dvb_frontend *name##_attach(\
 		const struct demod_config *cfg)\
 {\
 	return NULL;\
 }

 #define AML_TUNER_ATTACH_FUNCTION(name) \
 static inline struct dvb_frontend *name##_attach(struct dvb_frontend *fe,\
 		const struct tuner_config *cfg)\
 {\
 	return NULL;\
 }

 #else
 #define aml_dvb_attach(FUNCTION, ARGS...) ({ \
 	FUNCTION(ARGS); \
 })

 #define aml_dvb_detach(FUNC) {}

 #define AML_DEMOD_ATTACH_FUNCTION(name)

 #define AML_TUNER_ATTACH_FUNCTION(name)
 #endif

 /*COLOR MODULATION TYPE*/
 #define V4L2_COLOR_STD_PAL    ((v4l2_std_id) 0x04000000)
 #define V4L2_COLOR_STD_NTSC   ((v4l2_std_id) 0x08000000)
 #define V4L2_COLOR_STD_SECAM  ((v4l2_std_id) 0x10000000)

 #define AML_FE_UNDEFINED (0xFF)
 #define AML_MAX_DELSYS   (32)
 #define AML_MAX_FE       (32)

 #if (defined CONFIG_AMLOGIC_DVB_EXTERN ||\
 		defined CONFIG_AMLOGIC_DVB_EXTERN_MODULE)
 const char *v4l2_std_to_str(v4l2_std_id std);

 void aml_ktime_get_ts(struct timespec *ts);

 int aml_gpio_direction_output(int gpio, int value);
 int aml_gpio_direction_input(int gpio);
 bool aml_gpio_is_valid(int number);
 int aml_gpio_get_value(int gpio);
 void aml_gpio_set_value(int gpio, int value);
 void aml_gpio_free(int gpio);
 int aml_gpio_request(int gpio, const char *label);
 int aml_demod_gpio_set(int gpio, int dir, int value, const char *label);
 int aml_demod_gpio_config(struct gpio_config *cfg, const char *label);

 struct class *aml_class_create(struct module *owner, const char *name);
 void aml_class_destroy(struct class *cls);
 int aml_class_create_file(struct class *class,
 		const struct class_attribute *attr);
 int aml_class_register(struct class *class);
 void aml_class_unregister(struct class *class);

 int aml_platform_driver_register(struct platform_driver *drv);
 void aml_platform_driver_unregister(struct platform_driver *drv);
 int aml_platform_device_register(struct platform_device *pdev);
 void aml_platform_device_unregister(struct platform_device *pdev);
 #else
 static inline __maybe_unused const char *v4l2_std_to_str(v4l2_std_id std)
 {
 	return NULL;
 }

 static inline __maybe_unused void aml_ktime_get_ts(struct timespec *ts)
 {

 }

 static inline __maybe_unused int aml_gpio_direction_output(int gpio, int value)
 {
 	return 0;
 }

 static inline __maybe_unused int aml_gpio_direction_input(int gpio)
 {
 	return 0;
 }

 static inline __maybe_unused bool aml_gpio_is_valid(int number)
 {
 	return false;
 }

 static inline __maybe_unused int aml_gpio_get_value(int gpio)
 {
 	return 0;
 }

 static inline __maybe_unused void aml_gpio_set_value(int gpio, int value)
 {
 }

 static inline __maybe_unused void aml_gpio_free(int gpio)
 {
 }

 static inline __maybe_unused int aml_gpio_request(int gpio, const char *label)
 {
 	return 0;
 }

 static inline __maybe_unused int aml_demod_gpio_set(int gpio, int dir,
 		int value, const char *label)
 {
 	return 0;
 }

 static inline __maybe_unused int aml_demod_gpio_config(struct gpio_config *cfg,
 		const char *label)
 {
 	return 0;
 }

 static inline __maybe_unused struct class *aml_class_create(
 		struct module *owner, const char *name)
 {
 	return NULL;
 }

 static inline __maybe_unused void aml_class_destroy(struct class *cls)
 {
 }

 static inline __maybe_unused int aml_class_create_file(struct class *class,
 		const struct class_attribute *attr)
 {
 	return 0;
 }

 static inline __maybe_unused int aml_class_register(struct class *class)
 {
 	return 0;
 }

 static inline __maybe_unused void aml_class_unregister(struct class *class)
 {
 }

 static inline __maybe_unused int aml_platform_driver_register(
 		struct platform_driver *drv)
 {
 	return 0;
 }

 static inline __maybe_unused void aml_platform_driver_unregister(
 		struct platform_driver *drv)
 {
 }

 static inline __maybe_unused int aml_platform_device_register(
 		struct platform_device *pdev)
 {
 	return 0;
 }

 static inline __maybe_unused void aml_platform_device_unregister(
 		struct platform_device *pdev)
 {
 }

 #endif

 #endif /* __AML_DEMOD_COMMON_H__ */
	/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
	/*
	* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
	*/

	#ifndef __AML_DEMOD_COMMON_H__
	#define __AML_DEMOD_COMMON_H__

	#include <linux/i2c.h>
	#include <uapi/linux/videodev2.h>
	#include <linux/module.h>
	#include <linux/device.h>
	#include <linux/platform_device.h>
	#include <linux/of_gpio.h>
	#include <linux/dvb/frontend.h>

	enum tuner_type {
	AM_TUNER_NONE = 0,
	AM_TUNER_SI2176 = 1,
	AM_TUNER_SI2196 = 2,
	AM_TUNER_FQ1216 = 3,
	AM_TUNER_HTM = 4,
	AM_TUNER_CTC703 = 5,
	AM_TUNER_SI2177 = 6,
	AM_TUNER_R840 = 7,
	AM_TUNER_SI2157 = 8,
	AM_TUNER_SI2151 = 9,
	AM_TUNER_MXL661 = 10,
	AM_TUNER_MXL608 = 11,
	AM_TUNER_SI2159 = 12,
	AM_TUNER_R842 = 13,
	AM_TUNER_ATBM2040 = 14,
	AM_TUNER_ATBM253 = 15,
	AM_TUNER_SI2124 = 16,
	AM_TUNER_AV2011 = 17,
	AM_TUNER_AV2012 = 18,
	AM_TUNER_AV2018 = 19,
	AM_TUNER_R836 = 20,
	AM_TUNER_R848 = 21,
	AM_TUNER_MXL603 = 22,
	AM_TUNER_RT710 = 23,
	AM_TUNER_R850 = 24
	};

	enum atv_demod_type {
	AM_ATV_DEMOD_NONE = 0,
	AM_ATV_DEMOD_SI2176 = 1,
	AM_ATV_DEMOD_SI2196 = 2,
	AM_ATV_DEMOD_FQ1216 = 3,
	AM_ATV_DEMOD_HTM = 4,
	AM_ATV_DEMOD_CTC703 = 5,
	AM_ATV_DEMOD_SI2177 = 6,
	AM_ATV_DEMOD_AMLATV = 7
	};

	enum dtv_demod_type {
	AM_DTV_DEMOD_NONE = 0,
	AM_DTV_DEMOD_AMLDTV = 1,
	AM_DTV_DEMOD_M1 = 2,
	AM_DTV_DEMOD_MXL101 = 3,
	AM_DTV_DEMOD_AVL6211 = 4,
	AM_DTV_DEMOD_SI2168 = 5,
	AM_DTV_DEMOD_ITE9133 = 6,
	AM_DTV_DEMOD_ITE9173 = 7,
	AM_DTV_DEMOD_DIB8096 = 8,
	AM_DTV_DEMOD_ATBM8869 = 9,
	AM_DTV_DEMOD_MXL241 = 10,
	AM_DTV_DEMOD_AVL68xx = 11,
	AM_DTV_DEMOD_MXL683 = 12,
	AM_DTV_DEMOD_ATBM8881 = 13,
	AM_DTV_DEMOD_ATBM7821 = 14,
	AM_DTV_DEMOD_AVL6762 = 15,
	AM_DTV_DEMOD_CXD2856 = 16,
	AM_DTV_DEMOD_MXL248 = 17,
	AM_DTV_DEMOD_M88DM6K = 18,
	AM_DTV_DEMOD_MN88436 = 19,
	AM_DTV_DEMOD_MXL212C = 20,
	AM_DTV_DEMOD_MXL213C = 21,
	AM_DTV_DEMOD_MXL214C = 22,
	AM_DTV_DEMOD_MXL252C = 23,
	AM_DTV_DEMOD_MXL254C = 24,
	AM_DTV_DEMOD_MXL256C = 25,
	AM_DTV_DEMOD_MXL258C = 26,
	AM_DTV_DEMOD_SI2169 = 27,
	AM_DTV_DEMOD_AVL6221C = 28
	};

	enum aml_fe_dev_type {
	AM_DEV_TUNER,
	AM_DEV_ATV_DEMOD,
	AM_DEV_DTV_DEMOD
	};

	/* For configure gpio */
	struct gpio_config {
	s32 pin; /* gpio pin */
	u8 dir; /* direction, 0: out, 1: in. */
	u32 value; /* input or output active value */
	u32 reserved0;
	u32 reserved1;
	};

	/* For configure different tuners */
	/* It can add fields as extensions */
	struct tuner_config {
	char *name;
	u32 code; /* tuner chip code */
	u8 id; /* enum tuner type */
	u8 i2c_addr;
	u8 i2c_id;
	struct i2c_adapter *i2c_adap;
	u8 xtal; /* 0: 16MHz, 1: 24MHz, 3: 27MHz */
	u32 xtal_cap; /* load capacitor */
	u8 xtal_mode;
	u8 lt_out; /* loop through out, 0: off, 1: on. */
	u8 dual_power; /* 0: 3.3v, 1: 1.8v and 3.3v. */
	u8 if_agc; /* 0: self, 1: external. */
	u8 if_hz; /* output intermediate frequency. */
	u8 if_invert; /* spectrum, 0: normal, 1: inverted. */
	u8 if_amp; /* output intermediate frequency amplitude. */

	u8 detect; /* whether detect is required, 0 - off, 1 - on. */

	/* tuner reset gpio, it can be implemented by RC circuit. */
	struct gpio_config reset;
	struct gpio_config power;

	u32 reserved0;
	u32 reserved1;
	};

	/* For configure different demod */
	struct demod_config {
	char *name;
	u32 code; /* demod chip code. */
	u8 id; /* enum demod type. */
	u8 mode; /* 0: internal, 1: external. */
	u8 xtal; /* demod xtal. */
	u8 ts; /* demux ts in port. */
	u8 ts_out_mode; /* serial or parallel; 0: serial, 1: parallel. */
	u8 ts_data_pin; /* serial output pin of TS data. */
	u8 ts_wire_mode; /* serial ts wire mode, 0: four-wire, 1: three-wire. */

	/* serial ts multiplexer mode,
	* 0: NO_MUX_4, 1: MUX_1, 2: MUX_2, 3: MUX_3, 4: MUX_4, 5: MUX_2_B, 6: NO_MUX_2.
	*/
	u8 ts_mux_mode;

	u8 ts_out_order; /* parallel/serial output bit order; 0: LSB, 1: MSB. */
	u8 ts_out_bits; /* parallel output bits */
	u8 ts_sync_width; /* 0: bit, 1: byte. */

	/* for mixed ts packet stream. */
	u8 ts_packet_mode; /* 0: add header, 1: remapping pid. */
	u8 ts_header_bytes; /* add header to every packet, 4/8/12 bytes. */
	u8 ts_header_data[12];
	u8 ts_remap_cnt; /* remapping pid. */
	u16 *ts_pid;
	u16 *ts_remap_pid;

	/* ts output clock, 0: self-adaption, clock frequency
	* is set according to the output bit rate.
	*/
	u32 ts_clk;

	/* ts clock polarity.
	* 0: Falling / Negative edge.
	* 1: Rising / Positive edge.
	*/
	u8 ts_clk_pol;

	u8 detect; /* whether detect is required, 0 - off, 1 - on. */

	u8 i2c_addr;
	u8 i2c_id;
	struct i2c_adapter *i2c_adap;

	struct tuner_config tuner0; /* TC */
	struct tuner_config tuner1; /* S */

	struct gpio_config reset;
	struct gpio_config ant_power;
	struct gpio_config lnb_en;
	struct gpio_config lnb_sel;
	struct gpio_config other;

	u8 reserved0;
	u8 reserved1;
	};

	/* For configure multi-tuner */
	struct aml_tuner {
	struct tuner_config cfg;
	unsigned int i2c_adapter_id;
	};

	/** generic AML DVB attach function. */
	#if (defined CONFIG_AMLOGIC_DVB_EXTERN \|\|\
	defined CONFIG_AMLOGIC_DVB_EXTERN_MODULE)
	#define aml_dvb_attach(FUNCTION, ARGS...) ({ \
	void *__r = NULL; \
	typeof(&FUNCTION) __a = symbol_request(FUNCTION); \
	if (__a) { \
	__r = (void *) __a(ARGS); \
	if (__r == NULL) \
	symbol_put(FUNCTION); \
	} else { \
	printk(KERN_ERR "AML DVB: Unable to find symbol " \
	#FUNCTION"()\n"); \
	} \
	__r; \
	})

	#define aml_dvb_detach(FUNC) symbol_put_addr(FUNC)

	#define AML_DEMOD_ATTACH_FUNCTION(name) \
	static inline struct dvb_frontend *name##_attach(\
	const struct demod_config *cfg)\
	{\
	return NULL;\
	}

	#define AML_TUNER_ATTACH_FUNCTION(name) \
	static inline struct dvb_frontend name##_attach(struct dvb_frontend fe,\
	const struct tuner_config *cfg)\
	{\
	return NULL;\
	}

	#else
	#define aml_dvb_attach(FUNCTION, ARGS...) ({ \
	FUNCTION(ARGS); \
	})

	#define aml_dvb_detach(FUNC) {}

	#define AML_DEMOD_ATTACH_FUNCTION(name)

	#define AML_TUNER_ATTACH_FUNCTION(name)
	#endif

	/COLOR MODULATION TYPE/
	#define V4L2_COLOR_STD_PAL ((v4l2_std_id) 0x04000000)
	#define V4L2_COLOR_STD_NTSC ((v4l2_std_id) 0x08000000)
	#define V4L2_COLOR_STD_SECAM ((v4l2_std_id) 0x10000000)

	#define AML_FE_UNDEFINED (0xFF)
	#define AML_MAX_DELSYS (32)
	#define AML_MAX_FE (32)

	#if (defined CONFIG_AMLOGIC_DVB_EXTERN \|\|\
	defined CONFIG_AMLOGIC_DVB_EXTERN_MODULE)
	const char *v4l2_std_to_str(v4l2_std_id std);

	void aml_ktime_get_ts(struct timespec *ts);

	int aml_gpio_direction_output(int gpio, int value);
	int aml_gpio_direction_input(int gpio);
	bool aml_gpio_is_valid(int number);
	int aml_gpio_get_value(int gpio);
	void aml_gpio_set_value(int gpio, int value);
	void aml_gpio_free(int gpio);
	int aml_gpio_request(int gpio, const char *label);
	int aml_demod_gpio_set(int gpio, int dir, int value, const char *label);
	int aml_demod_gpio_config(struct gpio_config cfg, const char label);

	struct class aml_class_create(struct module owner, const char *name);
	void aml_class_destroy(struct class *cls);
	int aml_class_create_file(struct class *class,
	const struct class_attribute *attr);
	int aml_class_register(struct class *class);
	void aml_class_unregister(struct class *class);

	int aml_platform_driver_register(struct platform_driver *drv);
	void aml_platform_driver_unregister(struct platform_driver *drv);
	int aml_platform_device_register(struct platform_device *pdev);
	void aml_platform_device_unregister(struct platform_device *pdev);
	#else
	static inline __maybe_unused const char *v4l2_std_to_str(v4l2_std_id std)
	{
	return NULL;
	}

	static inline __maybe_unused void aml_ktime_get_ts(struct timespec *ts)
	{

	}

	static inline __maybe_unused int aml_gpio_direction_output(int gpio, int value)
	{
	return 0;
	}

	static inline __maybe_unused int aml_gpio_direction_input(int gpio)
	{
	return 0;
	}

	static inline __maybe_unused bool aml_gpio_is_valid(int number)
	{
	return false;
	}

	static inline __maybe_unused int aml_gpio_get_value(int gpio)
	{
	return 0;
	}

	static inline __maybe_unused void aml_gpio_set_value(int gpio, int value)
	{
	}

	static inline __maybe_unused void aml_gpio_free(int gpio)
	{
	}

	static inline __maybe_unused int aml_gpio_request(int gpio, const char *label)
	{
	return 0;
	}

	static inline __maybe_unused int aml_demod_gpio_set(int gpio, int dir,
	int value, const char *label)
	{
	return 0;
	}

	static inline __maybe_unused int aml_demod_gpio_config(struct gpio_config *cfg,
	const char *label)
	{
	return 0;
	}

	static inline __maybe_unused struct class *aml_class_create(
	struct module owner, const char name)
	{
	return NULL;
	}

	static inline __maybe_unused void aml_class_destroy(struct class *cls)
	{
	}

	static inline __maybe_unused int aml_class_create_file(struct class *class,
	const struct class_attribute *attr)
	{
	return 0;
	}

	static inline __maybe_unused int aml_class_register(struct class *class)
	{
	return 0;
	}

	static inline __maybe_unused void aml_class_unregister(struct class *class)
	{
	}

	static inline __maybe_unused int aml_platform_driver_register(
	struct platform_driver *drv)
	{
	return 0;
	}

	static inline __maybe_unused void aml_platform_driver_unregister(
	struct platform_driver *drv)
	{
	}

	static inline __maybe_unused int aml_platform_device_register(
	struct platform_device *pdev)
	{
	return 0;
	}

	static inline __maybe_unused void aml_platform_device_unregister(
	struct platform_device *pdev)
	{
	}

	#endif

	#endif /* __AML_DEMOD_COMMON_H__ */