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rtc: support access internal i2c register

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This commit is contained in:
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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114
components/hal/esp32s2/include/hal/adc_ll.h
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@@ -69,62 +69,6 @@ typedef enum {
ADC2_CTRL_FORCE_DIG = 6, /*!<For ADC2. Arbiter in shield mode. Force select digital controller work. */
} adc_controller_t;
/* ADC calibration defines. */
#define ADC_LL_I2C_ADC 0X69
#define ADC_LL_I2C_ADC_HOSTID 0
#define ADC_LL_ANA_CONFIG2_REG 0x6000E048
#define ADC_LL_SAR1_ENCAL_GND_ADDR 0x7
#define ADC_LL_SAR1_ENCAL_GND_ADDR_MSB 5
#define ADC_LL_SAR1_ENCAL_GND_ADDR_LSB 5
#define ADC_LL_SAR2_ENCAL_GND_ADDR 0x7
#define ADC_LL_SAR2_ENCAL_GND_ADDR_MSB 7
#define ADC_LL_SAR2_ENCAL_GND_ADDR_LSB 7
#define ADC_LL_SAR1_INITIAL_CODE_HIGH_ADDR 0x1
#define ADC_LL_SAR1_INITIAL_CODE_HIGH_ADDR_MSB 0x3
#define ADC_LL_SAR1_INITIAL_CODE_HIGH_ADDR_LSB 0x0
#define ADC_LL_SAR1_INITIAL_CODE_LOW_ADDR 0x0
#define ADC_LL_SAR1_INITIAL_CODE_LOW_ADDR_MSB 0x7
#define ADC_LL_SAR1_INITIAL_CODE_LOW_ADDR_LSB 0x0
#define ADC_LL_SAR2_INITIAL_CODE_HIGH_ADDR 0x4
#define ADC_LL_SAR2_INITIAL_CODE_HIGH_ADDR_MSB 0x3
#define ADC_LL_SAR2_INITIAL_CODE_HIGH_ADDR_LSB 0x0
#define ADC_LL_SAR2_INITIAL_CODE_LOW_ADDR 0x3
#define ADC_LL_SAR2_INITIAL_CODE_LOW_ADDR_MSB 0x7
#define ADC_LL_SAR2_INITIAL_CODE_LOW_ADDR_LSB 0x0
#define ADC_LL_SAR1_DREF_ADDR 0x2
#define ADC_LL_SAR1_DREF_ADDR_MSB 0x6
#define ADC_LL_SAR1_DREF_ADDR_LSB 0x4
#define ADC_LL_SAR2_DREF_ADDR 0x5
#define ADC_LL_SAR2_DREF_ADDR_MSB 0x6
#define ADC_LL_SAR2_DREF_ADDR_LSB 0x4
#define ADC_LL_SAR1_SAMPLE_CYCLE_ADDR 0x2
#define ADC_LL_SAR1_SAMPLE_CYCLE_ADDR_MSB 0x2
#define ADC_LL_SAR1_SAMPLE_CYCLE_ADDR_LSB 0x0
#define ADC_LL_SARADC_DTEST_RTC_ADDR 0x7
#define ADC_LL_SARADC_DTEST_RTC_ADDR_MSB 1
#define ADC_LL_SARADC_DTEST_RTC_ADDR_LSB 0
#define ADC_LL_SARADC_ENT_TSENS_ADDR 0x7
#define ADC_LL_SARADC_ENT_TSENS_ADDR_MSB 2
#define ADC_LL_SARADC_ENT_TSENS_ADDR_LSB 2
#define ADC_LL_SARADC_ENT_RTC_ADDR 0x7
#define ADC_LL_SARADC_ENT_RTC_ADDR_MSB 3
#define ADC_LL_SARADC_ENT_RTC_ADDR_LSB 3
/* ADC calibration defines end. */
/*---------------------------------------------------------------
Digital controller setting
---------------------------------------------------------------*/
@@ -155,13 +99,11 @@ static inline void adc_ll_digi_set_fsm_time(uint32_t rst_wait, uint32_t start_wa
static inline void adc_ll_set_sample_cycle(uint32_t sample_cycle)
{
/* Should be called before writing I2C registers. */
void phy_get_romfunc_addr(void);
phy_get_romfunc_addr();
SET_PERI_REG_MASK(RTC_CNTL_ANA_CONF_REG, RTC_CNTL_SAR_I2C_FORCE_PU_M);
CLEAR_PERI_REG_MASK(ANA_CONFIG_REG, BIT(18));
SET_PERI_REG_MASK(ADC_LL_ANA_CONFIG2_REG, BIT(16));
SET_PERI_REG_MASK(ADC_ANA_CONFIG2_REG, BIT(16));
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SAR1_SAMPLE_CYCLE_ADDR, sample_cycle);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SAR1_SAMPLE_CYCLE_ADDR, sample_cycle);
}
/**
@@ -1194,27 +1136,25 @@ static inline void adc_ll_disable_sleep_controller(void)
static inline void adc_ll_calibration_prepare(adc_ll_num_t adc_n, adc_channel_t channel, bool internal_gnd)
{
/* Should be called before writing I2C registers. */
void phy_get_romfunc_addr(void);
phy_get_romfunc_addr();
CLEAR_PERI_REG_MASK(RTC_CNTL_ANA_CONF_REG, RTC_CNTL_SAR_I2C_FORCE_PD_M);
SET_PERI_REG_MASK(RTC_CNTL_ANA_CONF_REG, RTC_CNTL_SAR_I2C_FORCE_PU_M);
CLEAR_PERI_REG_MASK(ANA_CONFIG_REG, BIT(18));
SET_PERI_REG_MASK(ADC_LL_ANA_CONFIG2_REG, BIT(16));
SET_PERI_REG_MASK(ADC_ANA_CONFIG2_REG, BIT(16));
/* Enable/disable internal connect GND (for calibration). */
if (adc_n == ADC_NUM_1) {
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SAR1_DREF_ADDR, 4);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SAR1_DREF_ADDR, 4);
if (internal_gnd) {
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SAR1_ENCAL_GND_ADDR, 1);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SAR1_ENCAL_GND_ADDR, 1);
} else {
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SAR1_ENCAL_GND_ADDR, 0);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SAR1_ENCAL_GND_ADDR, 0);
}
} else {
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SAR2_DREF_ADDR, 4);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SAR2_DREF_ADDR, 4);
if (internal_gnd) {
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SAR2_ENCAL_GND_ADDR, 1);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SAR2_ENCAL_GND_ADDR, 1);
} else {
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SAR2_ENCAL_GND_ADDR, 0);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SAR2_ENCAL_GND_ADDR, 0);
}
}
}
@@ -1227,9 +1167,9 @@ static inline void adc_ll_calibration_prepare(adc_ll_num_t adc_n, adc_channel_t
static inline void adc_ll_calibration_finish(adc_ll_num_t adc_n)
{
if (adc_n == ADC_NUM_1) {
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SAR1_ENCAL_GND_ADDR, 0);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SAR1_ENCAL_GND_ADDR, 0);
} else {
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SAR2_ENCAL_GND_ADDR, 0);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SAR2_ENCAL_GND_ADDR, 0);
}
}
@@ -1245,18 +1185,16 @@ static inline void adc_ll_set_calibration_param(adc_ll_num_t adc_n, uint32_t par
uint8_t msb = param >> 8;
uint8_t lsb = param & 0xFF;
/* Should be called before writing I2C registers. */
void phy_get_romfunc_addr(void);
phy_get_romfunc_addr();
SET_PERI_REG_MASK(RTC_CNTL_ANA_CONF_REG, RTC_CNTL_SAR_I2C_FORCE_PU_M);
CLEAR_PERI_REG_MASK(ANA_CONFIG_REG, BIT(18));
SET_PERI_REG_MASK(ADC_LL_ANA_CONFIG2_REG, BIT(16));
SET_PERI_REG_MASK(ADC_ANA_CONFIG2_REG, BIT(16));
if (adc_n == ADC_NUM_1) {
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SAR1_INITIAL_CODE_HIGH_ADDR, msb);
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SAR1_INITIAL_CODE_LOW_ADDR, lsb);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SAR1_INITIAL_CODE_HIGH_ADDR, msb);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SAR1_INITIAL_CODE_LOW_ADDR, lsb);
} else {
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SAR2_INITIAL_CODE_HIGH_ADDR, msb);
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SAR2_INITIAL_CODE_LOW_ADDR, lsb);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SAR2_INITIAL_CODE_HIGH_ADDR, msb);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SAR2_INITIAL_CODE_LOW_ADDR, lsb);
}
}
/* Temp code end. */
@@ -1275,23 +1213,21 @@ static inline void adc_ll_set_calibration_param(adc_ll_num_t adc_n, uint32_t par
static inline void adc_ll_vref_output(adc_ll_num_t adc, adc_channel_t channel, bool en)
{
/* Should be called before writing I2C registers. */
void phy_get_romfunc_addr(void);
phy_get_romfunc_addr();
SET_PERI_REG_MASK(RTC_CNTL_ANA_CONF_REG, RTC_CNTL_SAR_I2C_FORCE_PU_M);
CLEAR_PERI_REG_MASK(ANA_CONFIG_REG, BIT(18));
SET_PERI_REG_MASK(ADC_LL_ANA_CONFIG2_REG, BIT(16));
SET_PERI_REG_MASK(ADC_ANA_CONFIG2_REG, BIT(16));
if (en) {
if (adc == ADC_NUM_1) {
/* Config test mux to route v_ref to ADC1 Channels */
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SARADC_DTEST_RTC_ADDR, 1);
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SARADC_ENT_TSENS_ADDR, 0);
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SARADC_ENT_RTC_ADDR, 1);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SARADC_DTEST_RTC_ADDR, 1);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SARADC_ENT_TSENS_ADDR, 0);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SARADC_ENT_RTC_ADDR, 1);
} else {
/* Config test mux to route v_ref to ADC2 Channels */
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SARADC_DTEST_RTC_ADDR, 0);
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SARADC_ENT_TSENS_ADDR, 1);
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SARADC_ENT_RTC_ADDR, 0);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SARADC_DTEST_RTC_ADDR, 0);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SARADC_ENT_TSENS_ADDR, 1);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SARADC_ENT_RTC_ADDR, 0);
}
//in sleep force to use rtc to control ADC
SENS.sar_meas2_mux.sar2_rtc_force = 1;
@@ -1302,8 +1238,8 @@ static inline void adc_ll_vref_output(adc_ll_num_t adc, adc_channel_t channel, b
//set en_pad for ADC2 channels (bits 0x380)
SENS.sar_meas2_ctrl2.sar2_en_pad = 1 << channel;
} else {
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SARADC_ENT_TSENS_ADDR, 0);
I2C_WRITEREG_MASK_RTC(ADC_LL_I2C_ADC, ADC_LL_SARADC_ENT_RTC_ADDR, 0);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SARADC_ENT_TSENS_ADDR, 0);
I2C_WRITEREG_MASK_RTC(I2C_SAR_ADC, ADC_SARADC_ENT_RTC_ADDR, 0);
SENS.sar_meas2_mux.sar2_rtc_force = 0;
//set sar2_en_test
SENS.sar_meas2_ctrl1.sar2_en_test = 0;