diff options
Diffstat (limited to 'include/i2c.h')
| -rw-r--r-- | include/i2c.h | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/include/i2c.h b/include/i2c.h index 4e59009cd93..91917f54be9 100644 --- a/include/i2c.h +++ b/include/i2c.h @@ -645,20 +645,8 @@ void i2c_early_init_f(void); */ #define I2C_RXTX_LEN 128 /* maximum tx/rx buffer length */ -#if !defined(CFG_SYS_I2C_MAX_HOPS) /* no muxes used bus = i2c adapters */ -#define CFG_SYS_I2C_DIRECT_BUS 1 -#define CFG_SYS_I2C_MAX_HOPS 0 #define CFG_SYS_NUM_I2C_BUSES ll_entry_count(struct i2c_adapter, i2c) -#else -/* we use i2c muxes */ -#undef CFG_SYS_I2C_DIRECT_BUS -#endif - -/* define the I2C bus number for RTC and DTT if not already done */ -#if !defined(CFG_SYS_RTC_BUS_NUM) -#define CFG_SYS_RTC_BUS_NUM 0 -#endif struct i2c_adapter { void (*init)(struct i2c_adapter *adap, int speed, @@ -703,48 +691,13 @@ struct i2c_adapter { struct i2c_adapter *i2c_get_adapter(int index); -#ifndef CFG_SYS_I2C_DIRECT_BUS -struct i2c_mux { - int id; - char name[16]; -}; - -struct i2c_next_hop { - struct i2c_mux mux; - uint8_t chip; - uint8_t channel; -}; - -struct i2c_bus_hose { - int adapter; - struct i2c_next_hop next_hop[CFG_SYS_I2C_MAX_HOPS]; -}; -#define I2C_NULL_HOP {{-1, ""}, 0, 0} -extern struct i2c_bus_hose i2c_bus[]; - -#define I2C_ADAPTER(bus) i2c_bus[bus].adapter -#else #define I2C_ADAPTER(bus) bus -#endif #define I2C_BUS gd->cur_i2c_bus #define I2C_ADAP_NR(bus) i2c_get_adapter(I2C_ADAPTER(bus)) #define I2C_ADAP I2C_ADAP_NR(gd->cur_i2c_bus) #define I2C_ADAP_HWNR (I2C_ADAP->hwadapnr) -#ifndef CFG_SYS_I2C_DIRECT_BUS -#define I2C_MUX_PCA9540_ID 1 -#define I2C_MUX_PCA9540 {I2C_MUX_PCA9540_ID, "PCA9540B"} -#define I2C_MUX_PCA9542_ID 2 -#define I2C_MUX_PCA9542 {I2C_MUX_PCA9542_ID, "PCA9542A"} -#define I2C_MUX_PCA9544_ID 3 -#define I2C_MUX_PCA9544 {I2C_MUX_PCA9544_ID, "PCA9544A"} -#define I2C_MUX_PCA9547_ID 4 -#define I2C_MUX_PCA9547 {I2C_MUX_PCA9547_ID, "PCA9547A"} -#define I2C_MUX_PCA9548_ID 5 -#define I2C_MUX_PCA9548 {I2C_MUX_PCA9548_ID, "PCA9548"} -#endif - #ifndef I2C_SOFT_DECLARATIONS # if (defined(CONFIG_AT91RM9200) || \ defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9261) || \ @@ -938,66 +891,6 @@ int i2c_set_bus_speed(unsigned int); unsigned int i2c_get_bus_speed(void); #endif /* CONFIG_SYS_I2C_LEGACY */ -/* - * only for backwardcompatibility, should go away if we switched - * completely to new multibus support. - */ -#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY) || defined(CFG_I2C_MULTI_BUS) -# if !defined(CFG_SYS_MAX_I2C_BUS) -# define CFG_SYS_MAX_I2C_BUS 2 -# endif -# define I2C_MULTI_BUS 1 -#else -# define CFG_SYS_MAX_I2C_BUS 1 -# define I2C_MULTI_BUS 0 -#endif - -/* NOTE: These two functions MUST be always_inline to avoid code growth! */ -static inline unsigned int I2C_GET_BUS(void) __attribute__((always_inline)); -static inline unsigned int I2C_GET_BUS(void) -{ - return I2C_MULTI_BUS ? i2c_get_bus_num() : 0; -} - -static inline void I2C_SET_BUS(unsigned int bus) __attribute__((always_inline)); -static inline void I2C_SET_BUS(unsigned int bus) -{ - if (I2C_MULTI_BUS) - i2c_set_bus_num(bus); -} - -/* Multi I2C definitions */ -enum { - I2C_0, I2C_1, I2C_2, I2C_3, I2C_4, I2C_5, I2C_6, I2C_7, - I2C_8, I2C_9, I2C_10, -}; - -/** - * Get FDT values for i2c bus. - * - * @param blob Device tree blbo - * Return: the number of I2C bus - */ -void board_i2c_init(const void *blob); - -/** - * Find the I2C bus number by given a FDT I2C node. - * - * @param blob Device tree blbo - * @param node FDT I2C node to find - * Return: the number of I2C bus (zero based), or -1 on error - */ -int i2c_get_bus_num_fdt(int node); - -/** - * Reset the I2C bus represented by the given a FDT I2C node. - * - * @param blob Device tree blbo - * @param node FDT I2C node to find - * Return: 0 if port was reset, -1 if not found - */ -int i2c_reset_port_fdt(const void *blob, int node); - #endif /* !CONFIG_DM_I2C */ #endif /* _I2C_H_ */ |