+ const struct mtk_thermal_data *conf;
/* lock: for getting and putting banks */
struct mutex lock;
+ struct thermal_zone_device *tzd;
/* Calibration values */
s32 adc_ge;
s32 degc_cali;
s32 o_slope;
- s32 vts[MT8173_NUM_SENSORS];
-
-};
-
-struct mtk_thermal_bank_cfg {
- unsigned int num_sensors;
- unsigned int sensors[MT8173_NUM_SENSORS_PER_ZONE];
+ s32 vts[MAX_NUM_BANK];
};
-static const int sensor_mux_values[MT8173_NUM_SENSORS] = { 0, 1, 2, 3, 16 };
-
-/*
+/**
* The MT8173 thermal controller has four banks. Each bank can read up to
* four temperature sensors simultaneously. The MT8173 has a total of 5
* temperature sensors. We use each bank to measure a certain area of the
@@ -166,42 +189,76 @@ static const int sensor_mux_values[MT8173_NUM_SENSORS] =
{ 0, 1, 2, 3, 16 };
* data, and this indeed needs the temperatures of the individual banks
* for making better decisions.
*/
-static const struct mtk_thermal_bank_cfg bank_data[] = {
- {
- .num_sensors = 2,
- .sensors = { MT8173_TS2, MT8173_TS3 },
- }, {
- .num_sensors = 2,
- .sensors = { MT8173_TS2, MT8173_TS4 },
- }, {
- .num_sensors = 3,
- .sensors = { MT8173_TS1, MT8173_TS2, MT8173_TSABB },
- }, {
- .num_sensors = 1,
- .sensors = { MT8173_TS2 },
+static const struct mtk_thermal_data mt8173_thermal_data = {
+ .auxadc_channel = MT8173_TEMP_AUXADC_CHANNEL,
+ .num_banks = 4,
+ .num_sensors = 5,
+ .bank_data = {
+ {
+ .num_sensors = 2,
+ .sensors = { MT8173_TS2, MT8173_TS3 },
+ }, {
+ .num_sensors = 2,
+ .sensors = { MT8173_TS2, MT8173_TS4 },
+ }, {
+ .num_sensors = 3,
+ .sensors = { MT8173_TS1, MT8173_TS2, MT8173_TSABB },
+ }, {
+ .num_sensors = 1,
+ .sensors = { MT8173_TS2 },
+ },
},
+ .sensing_points = {
+ {
+ .msr = TEMP_MSR0,
+ .adcpnp = TEMP_ADCPNP0,
+ }, {
+ .msr = TEMP_MSR1,
+ .adcpnp = TEMP_ADCPNP1,
+ }, {
+ .msr = TEMP_MSR2,
+ .adcpnp = TEMP_ADCPNP2,
+ }, {
+ .msr = TEMP_MSR3,
+ .adcpnp = TEMP_ADCPNP3,
+ },
+ },
+ .sensor_mux_values = { 0, 1, 2, 3, 16 },
};
-struct mtk_thermal_sense_point {
- int msr;
- int adcpnp;
-};
-
-static const struct mtk_thermal_sense_point
- sensing_points[MT8173_NUM_SENSORS_PER_ZONE] = {
- {
- .msr = TEMP_MSR0,
- .adcpnp = TEMP_ADCPNP0,
- }, {
- .msr = TEMP_MSR1,
- .adcpnp = TEMP_ADCPNP1,
- }, {
- .msr = TEMP_MSR2,
- .adcpnp = TEMP_ADCPNP2,
- }, {
- .msr = TEMP_MSR3,
- .adcpnp = TEMP_ADCPNP3,
+/**
+ * The MT2701 thermal controller has one bank, which can read up to
+ * three temperature sensors simultaneously. The MT2701 has a total of 3
+ * temperature sensors.
+ *
+ * The thermal core only gets the maximum temperature of this one bank,
+ * so the bank concept wouldn't be necessary here. However, the SVS (Smart
+ * Voltage Scaling) unit makes its decisions based on the same bank
+ * data.
+ */
+static const struct mtk_thermal_data mt2701_thermal_data = {
+ .auxadc_channel = MT2701_TEMP_AUXADC_CHANNEL,
+ .num_banks = 1,
+ .num_sensors = 3,
+ .bank_data = {
+ {
+ .num_sensors = 3,
+ .sensors = { MT2701_TS1, MT2701_TS2, MT2701_TSABB },
+ },
},
+ .sensing_points = {
+ {
+ .msr = TEMP_MSR0,
+ .adcpnp = TEMP_ADCPNP0,
+ }, {
+ .msr = TEMP_MSR1,
+ .adcpnp = TEMP_ADCPNP1,
+ }, {
+ .msr = TEMP_MSR2,
+ .adcpnp = TEMP_ADCPNP2,
+ },
+ },
+ .sensor_mux_values = { 0, 1, 16},
};
/**
@@ -270,13 +327,15 @@ static void mtk_thermal_put_bank(struct mtk_thermal_bank
*bank)
static int mtk_thermal_bank_temperature(struct mtk_thermal_bank *bank)
{
struct mtk_thermal *mt = bank->mt;
+ const struct mtk_thermal_data *conf = mt->conf;
int i, temp = INT_MIN, max = INT_MIN;
u32 raw;
- for (i = 0; i < bank_data[bank->id].num_sensors; i++) {
- raw = readl(mt->thermal_base + sensing_points[i].msr);
+ for (i = 0; i < conf->bank_data[bank->id].num_sensors; i++) {
+ raw = readl(mt->thermal_base + conf->sensing_points[i].msr);
- temp = raw_to_mcelsius(mt, bank_data[bank->id].sensors[i], raw);
+ temp = raw_to_mcelsius(mt, conf->bank_data[bank->id].sensors[i],
+ raw);
/*
* The first read of a sensor often contains very high bogus
@@ -299,7 +358,7 @@ static int mtk_read_temp(void *data, int *temperature)
int i;
int tempmax = INT_MIN;
- for (i = 0; i < MT8173_NUM_ZONES; i++) {
+ for (i = 0; i < mt->conf->num_banks; i++) {
struct mtk_thermal_bank *bank = &mt->banks[i];
mtk_thermal_get_bank(bank);
@@ -322,7 +381,7 @@ static void mtk_thermal_init_bank(struct mtk_thermal *mt,
int num,
u32 apmixed_phys_base, u32 auxadc_phys_base)
{
struct mtk_thermal_bank *bank = &mt->banks[num];
- const struct mtk_thermal_bank_cfg *cfg = &bank_data[num];
+ const struct mtk_thermal_data *conf = mt->conf;
int i;
bank->id = num;
@@ -368,7 +427,7 @@ static void mtk_thermal_init_bank(struct mtk_thermal *mt,
int num,
* this value will be stored to TEMP_PNPMUXADDR (TEMP_SPARE0)
* automatically by hw
*/
- writel(BIT(MT8173_TEMP_AUXADC_CHANNEL), mt->thermal_base + TEMP_ADCMUX);
+ writel(BIT(conf->auxadc_channel), mt->thermal_base + TEMP_ADCMUX);
/* AHB address for auxadc mux selection */
writel(auxadc_phys_base + AUXADC_CON1_CLR_V,
@@ -379,18 +438,18 @@ static void mtk_thermal_init_bank(struct mtk_thermal *mt,
int num,
mt->thermal_base + TEMP_PNPMUXADDR);
/* AHB value for auxadc enable */
- writel(BIT(MT8173_TEMP_AUXADC_CHANNEL), mt->thermal_base + TEMP_ADCEN);
+ writel(BIT(conf->auxadc_channel), mt->thermal_base + TEMP_ADCEN);
/* AHB address for auxadc enable (channel 0 immediate mode selected) */
writel(auxadc_phys_base + AUXADC_CON1_SET_V,
mt->thermal_base + TEMP_ADCENADDR);
/* AHB address for auxadc valid bit */
- writel(auxadc_phys_base + AUXADC_DATA(MT8173_TEMP_AUXADC_CHANNEL),
+ writel(auxadc_phys_base + AUXADC_DATA(conf->auxadc_channel),
mt->thermal_base + TEMP_ADCVALIDADDR);
/* AHB address for auxadc voltage output */
- writel(auxadc_phys_base + AUXADC_DATA(MT8173_TEMP_AUXADC_CHANNEL),
+ writel(auxadc_phys_base + AUXADC_DATA(conf->auxadc_channel),
mt->thermal_base + TEMP_ADCVOLTADDR);
/* read valid & voltage are at the same register */
@@ -407,11 +466,12 @@ static void mtk_thermal_init_bank(struct mtk_thermal *mt,
int num,
writel(TEMP_ADCWRITECTRL_ADC_MUX_WRITE,
mt->thermal_base + TEMP_ADCWRITECTRL);
- for (i = 0; i < cfg->num_sensors; i++)
- writel(sensor_mux_values[cfg->sensors[i]],
- mt->thermal_base + sensing_points[i].adcpnp);
+ for (i = 0; i < conf->bank_data[num].num_sensors; i++)
+ writel(conf->sensor_mux_values[conf->bank_data[num].sensors[i]],
+ mt->thermal_base + conf->sensing_points[i].adcpnp);
- writel((1 << cfg->num_sensors) - 1, mt->thermal_base + TEMP_MONCTL0);
+ writel((1 << conf->bank_data[num].num_sensors) - 1,
+ mt->thermal_base + TEMP_MONCTL0);
writel(TEMP_ADCWRITECTRL_ADC_PNP_WRITE |
TEMP_ADCWRITECTRL_ADC_MUX_WRITE,
@@ -442,7 +502,7 @@ static int mtk_thermal_get_calibration_data(struct device
*dev,
/* Start with default values */
mt->adc_ge = 512;
- for (i = 0; i < MT8173_NUM_SENSORS; i++)
+ for (i = 0; i < mt->conf->num_sensors; i++)
mt->vts[i] = 260;
mt->degc_cali = 40;
mt->o_slope = 0;
@@ -467,15 +527,15 @@ static int mtk_thermal_get_calibration_data(struct device
*dev,
goto out;
}
- if (buf[0] & MT8173_CALIB_BUF0_VALID) {
- mt->adc_ge = MT8173_CALIB_BUF1_ADC_GE(buf[1]);
- mt->vts[MT8173_TS1] = MT8173_CALIB_BUF0_VTS_TS1(buf[0]);
- mt->vts[MT8173_TS2] = MT8173_CALIB_BUF0_VTS_TS2(buf[0]);
- mt->vts[MT8173_TS3] = MT8173_CALIB_BUF1_VTS_TS3(buf[1]);
- mt->vts[MT8173_TS4] = MT8173_CALIB_BUF2_VTS_TS4(buf[2]);
- mt->vts[MT8173_TSABB] = MT8173_CALIB_BUF2_VTS_TSABB(buf[2]);
- mt->degc_cali = MT8173_CALIB_BUF0_DEGC_CALI(buf[0]);
- mt->o_slope = MT8173_CALIB_BUF0_O_SLOPE(buf[0]);
+ if (buf[0] & CALIB_BUF0_VALID) {
+ mt->adc_ge = CALIB_BUF1_ADC_GE(buf[1]);
+ mt->vts[NVMEM_TS1] = CALIB_BUF0_VTS_TS1(buf[0]);
+ mt->vts[NVMEM_TS2] = CALIB_BUF0_VTS_TS2(buf[0]);
+ mt->vts[NVMEM_TS3] = CALIB_BUF1_VTS_TS3(buf[1]);
+ mt->vts[NVMEM_TS4] = CALIB_BUF2_VTS_TS4(buf[1]);
+ mt->vts[NVMEM_TS5] = CALIB_BUF2_VTS_TS5(buf[2]);
+ mt->degc_cali = CALIB_BUF0_DEGC_CALI(buf[0]);
+ mt->o_slope = CALIB_BUF0_O_SLOPE(buf[0]);