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rtc: support access internal i2c register

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fuzhibo
2020-08-06 20:46:45 +08:00
parent b07a60c0b8
commit 247789bb2e
7 changed files with 286 additions and 99 deletions
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20
components/soc/src/esp32s2/i2c_rtc_clk.h
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@@ -17,6 +17,7 @@
#include "i2c_apll.h"
#include "i2c_bbpll.h"
#include "i2c_ulp.h"
#include "i2c_saradc.h"
#ifdef __cplusplus
extern "C" {
@@ -31,26 +32,27 @@ extern "C" {
/* Clear to enable BBPLL */
#define I2C_BBPLL_M (BIT(17))
/* ROM functions which read/write internal control bus */
uint8_t rom_i2c_readReg(uint8_t block, uint8_t host_id, uint8_t reg_add);
uint8_t rom_i2c_readReg_Mask(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t msb, uint8_t lsb);
void rom_i2c_writeReg(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t data);
void rom_i2c_writeReg_Mask(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t msb, uint8_t lsb, uint8_t data);
/* Read/Write internal control bus */
uint8_t i2c_rtc_read_reg(uint8_t block, uint8_t host_id, uint8_t reg_add);
uint8_t i2c_rtc_read_reg_mask(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t msb, uint8_t lsb);
void i2c_rtc_write_reg(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t data);
void i2c_rtc_write_reg_mask(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t msb, uint8_t lsb, uint8_t data);
void i2c_rtc_init(void);
/* Convenience macros for the above functions, these use register definitions
* from i2c_apll.h/i2c_bbpll.h header files.
*/
#define I2C_WRITEREG_MASK_RTC(block, reg_add, indata) \
rom_i2c_writeReg_Mask(block, block##_HOSTID, reg_add, reg_add##_MSB, reg_add##_LSB, indata)
i2c_rtc_write_reg_mask(block, block##_HOSTID, reg_add, reg_add##_MSB, reg_add##_LSB, indata)
#define I2C_READREG_MASK_RTC(block, reg_add) \
rom_i2c_readReg_Mask(block, block##_HOSTID, reg_add, reg_add##_MSB, reg_add##_LSB)
i2c_rtc_read_reg_mask(block, block##_HOSTID, reg_add, reg_add##_MSB, reg_add##_LSB)
#define I2C_WRITEREG_RTC(block, reg_add, indata) \
rom_i2c_writeReg(block, block##_HOSTID, reg_add, indata)
i2c_rtc_write_reg(block, block##_HOSTID, reg_add, indata)
#define I2C_READREG_RTC(block, reg_add) \
rom_i2c_readReg(block, block##_HOSTID, reg_add)
i2c_rtc_read_reg(block, block##_HOSTID, reg_add)
#ifdef __cplusplus
}