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https://github.com/Atmosphere-NX/Atmosphere.git
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78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
#ifndef EXOSPHERE_I2C_H
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#define EXOSPHERE_I2C_H
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#include <stdbool.h>
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#include <stdint.h>
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#include "memory_map.h"
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/* Exosphere driver for the Tegra X1 I2C registers. */
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typedef struct {
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uint32_t I2C_I2C_CNFG_0;
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uint32_t I2C_I2C_CMD_ADDR0_0;
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uint32_t I2C_I2C_CMD_ADDR1_0;
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uint32_t I2C_I2C_CMD_DATA1_0;
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uint32_t I2C_I2C_CMD_DATA2_0;
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uint32_t _0x14;
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uint32_t _0x18;
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uint32_t I2C_I2C_STATUS_0;
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uint32_t I2C_I2C_SL_CNFG_0;
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uint32_t I2C_I2C_SL_RCVD_0;
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uint32_t I2C_I2C_SL_STATUS_0;
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uint32_t I2C_I2C_SL_ADDR1_0;
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uint32_t I2C_I2C_SL_ADDR2_0;
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uint32_t I2C_I2C_TLOW_SEXT_0;
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uint32_t _0x38;
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uint32_t I2C_I2C_SL_DELAY_COUNT_0;
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uint32_t I2C_I2C_SL_INT_MASK_0;
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uint32_t I2C_I2C_SL_INT_SOURCE_0;
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uint32_t I2C_I2C_SL_INT_SET_0;
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uint32_t _0x4C;
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uint32_t I2C_I2C_TX_PACKET_FIFO_0;
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uint32_t I2C_I2C_RX_FIFO_0;
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uint32_t I2C_PACKET_TRANSFER_STATUS_0;
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uint32_t I2C_FIFO_CONTROL_0;
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uint32_t I2C_FIFO_STATUS_0;
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uint32_t I2C_INTERRUPT_MASK_REGISTER_0;
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uint32_t I2C_INTERRUPT_STATUS_REGISTER_0;
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uint32_t I2C_I2C_CLK_DIVISOR_REGISTER_0;
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uint32_t I2C_I2C_INTERRUPT_SOURCE_REGISTER_0;
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uint32_t I2C_I2C_INTERRUPT_SET_REGISTER_0;
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uint32_t I2C_I2C_SLV_TX_PACKET_FIFO_0;
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uint32_t I2C_I2C_SLV_RX_FIFO_0;
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uint32_t I2C_I2C_SLV_PACKET_STATUS_0;
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uint32_t I2C_I2C_BUS_CLEAR_CONFIG_0;
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uint32_t I2C_I2C_BUS_CLEAR_STATUS_0;
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uint32_t I2C_I2C_CONFIG_LOAD_0;
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uint32_t _0x90;
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uint32_t I2C_I2C_INTERFACE_TIMING_0_0;
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uint32_t I2C_I2C_INTERFACE_TIMING_1_0;
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uint32_t I2C_I2C_HS_INTERFACE_TIMING_0_0;
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uint32_t I2C_I2C_HS_INTERFACE_TIMING_1_0;
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} i2c_registers_t;
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static inline uintptr_t get_i2c_dtv_234_base(void) {
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return MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DTV_I2C234);
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}
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static inline uintptr_t get_i2c56_spi2b_base(void) {
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return MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_I2C56_SPI2B);
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}
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#define I2C1_REGS ((volatile i2c_registers_t *)(get_i2c_dtv_234_base() + 0x000))
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#define I2C2_REGS ((volatile i2c_registers_t *)(get_i2c_dtv_234_base() + 0x400))
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#define I2C3_REGS ((volatile i2c_registers_t *)(get_i2c_dtv_234_base() + 0x500))
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#define I2C4_REGS ((volatile i2c_registers_t *)(get_i2c_dtv_234_base() + 0x700))
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#define I2C5_REGS ((volatile i2c_registers_t *)(get_i2c56_spi2b_base() + 0x000))
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#define I2C6_REGS ((volatile i2c_registers_t *)(get_i2c56_spi2b_base() + 0x100))
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void i2c_init(unsigned int id);
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void i2c_send_pmic_cpu_shutdown_cmd(void);
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bool i2c_query_ti_charger_bit_7(void);
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void i2c_clear_ti_charger_bit_7(void);
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void i2c_set_ti_charger_bit_7(void);
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#endif
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