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Commit bd940394 authored by Michael Kao's avatar Michael Kao Committed by Eduardo Valentin
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thermal: mediatek: add thermal controller offset 

One thermal controller can read four sensors at most,
so we need to add controller_offset for the project with
more than four sensors to reuse the same register settings.
Signed-off-by: default avatarMichael Kao <michael.kao@mediatek.com>
Signed-off-by: default avatarEduardo Valentin <edubezval@gmail.com>
parent f8451476
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Showing with 54 additions and 25 deletions
drivers/thermal/mtk_thermal.c
View file @ bd940394
......@@ -105,6 +105,9 @@
/* The number of sensing points per bank */
#define MT8173_NUM_SENSORS_PER_ZONE 4
/* The number of controller in the MT8173 */
#define MT8173_NUM_CONTROLLER 1
/* The calibration coefficient of sensor */
#define MT8173_CALIBRATION 165
......@@ -150,6 +153,9 @@ enum {
/* The number of sensing points per bank */
#define MT2701_NUM_SENSORS_PER_ZONE 3
/* The number of controller in the MT2701 */
#define MT2701_NUM_CONTROLLER 1
/* The calibration coefficient of sensor */
#define MT2701_CALIBRATION 165
......@@ -168,6 +174,9 @@ enum {
/* The number of sensing points per bank */
#define MT2712_NUM_SENSORS_PER_ZONE 4
/* The number of controller in the MT2712 */
#define MT2712_NUM_CONTROLLER 1
/* The calibration coefficient of sensor */
#define MT2712_CALIBRATION 165
......@@ -176,6 +185,7 @@ enum {
#define MT7622_NUM_ZONES 1
#define MT7622_NUM_SENSORS_PER_ZONE 1
#define MT7622_TS1 0
#define MT7622_NUM_CONTROLLER 1
/* The calibration coefficient of sensor */
#define MT7622_CALIBRATION 165
......@@ -201,6 +211,8 @@ struct mtk_thermal_data {
const int *msr;
const int *adcpnp;
const int cali_val;
const int num_controller;
const int *controller_offset;
struct thermal_bank_cfg bank_data[];
};
......@@ -240,6 +252,7 @@ static const int mt8173_adcpnp[MT8173_NUM_SENSORS_PER_ZONE] = {
};
static const int mt8173_mux_values[MT8173_NUM_SENSORS] = { 0, 1, 2, 3, 16 };
static const int mt8173_tc_offset[MT8173_NUM_CONTROLLER] = { 0x0, };
static const int mt8173_vts_index[MT8173_NUM_SENSORS] = {
VTS1, VTS2, VTS3, VTS4, VTSABB
......@@ -259,6 +272,7 @@ static const int mt2701_adcpnp[MT2701_NUM_SENSORS_PER_ZONE] = {
};
static const int mt2701_mux_values[MT2701_NUM_SENSORS] = { 0, 1, 16 };
static const int mt2701_tc_offset[MT2701_NUM_CONTROLLER] = { 0x0, };
static const int mt2701_vts_index[MT2701_NUM_SENSORS] = {
VTS1, VTS2, VTS3
......@@ -278,6 +292,7 @@ static const int mt2712_adcpnp[MT2712_NUM_SENSORS_PER_ZONE] = {
};
static const int mt2712_mux_values[MT2712_NUM_SENSORS] = { 0, 1, 2, 3 };
static const int mt2712_tc_offset[MT2712_NUM_CONTROLLER] = { 0x0, };
static const int mt2712_vts_index[MT2712_NUM_SENSORS] = {
VTS1, VTS2, VTS3, VTS4
......@@ -289,6 +304,7 @@ static const int mt7622_msr[MT7622_NUM_SENSORS_PER_ZONE] = { TEMP_MSR0, };
static const int mt7622_adcpnp[MT7622_NUM_SENSORS_PER_ZONE] = { TEMP_ADCPNP0, };
static const int mt7622_mux_values[MT7622_NUM_SENSORS] = { 0, };
static const int mt7622_vts_index[MT7622_NUM_SENSORS] = { VTS1 };
static const int mt7622_tc_offset[MT7622_NUM_CONTROLLER] = { 0x0, };
/**
* The MT8173 thermal controller has four banks. Each bank can read up to
......@@ -309,6 +325,8 @@ static const struct mtk_thermal_data mt8173_thermal_data = {
.num_sensors = MT8173_NUM_SENSORS,
.vts_index = mt8173_vts_index,
.cali_val = MT8173_CALIBRATION,
.num_controller = MT8173_NUM_CONTROLLER,
.controller_offset = mt8173_tc_offset,
.bank_data = {
{
.num_sensors = 2,
......@@ -345,6 +363,8 @@ static const struct mtk_thermal_data mt2701_thermal_data = {
.num_sensors = MT2701_NUM_SENSORS,
.vts_index = mt2701_vts_index,
.cali_val = MT2701_CALIBRATION,
.num_controller = MT2701_NUM_CONTROLLER,
.controller_offset = mt2701_tc_offset,
.bank_data = {
{
.num_sensors = 3,
......@@ -372,6 +392,8 @@ static const struct mtk_thermal_data mt2712_thermal_data = {
.num_sensors = MT2712_NUM_SENSORS,
.vts_index = mt2712_vts_index,
.cali_val = MT2712_CALIBRATION,
.num_controller = MT2712_NUM_CONTROLLER,
.controller_offset = mt2712_tc_offset,
.bank_data = {
{
.num_sensors = 4,
......@@ -393,6 +415,8 @@ static const struct mtk_thermal_data mt7622_thermal_data = {
.num_sensors = MT7622_NUM_SENSORS,
.vts_index = mt7622_vts_index,
.cali_val = MT7622_CALIBRATION,
.num_controller = MT7622_NUM_CONTROLLER,
.controller_offset = mt7622_tc_offset,
.bank_data = {
{
.num_sensors = 1,
......@@ -523,19 +547,23 @@ static const struct thermal_zone_of_device_ops mtk_thermal_ops = {
};
static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num,
u32 apmixed_phys_base, u32 auxadc_phys_base)
u32 apmixed_phys_base, u32 auxadc_phys_base,
int ctrl_id)
{
struct mtk_thermal_bank *bank = &mt->banks[num];
const struct mtk_thermal_data *conf = mt->conf;
int i;
int offset = mt->conf->controller_offset[ctrl_id];
void __iomem *controller_base = mt->thermal_base + offset;
bank->id = num;
bank->mt = mt;
mtk_thermal_get_bank(bank);
/* bus clock 66M counting unit is 12 * 15.15ns * 256 = 46.540us */
writel(TEMP_MONCTL1_PERIOD_UNIT(12), mt->thermal_base + TEMP_MONCTL1);
writel(TEMP_MONCTL1_PERIOD_UNIT(12), controller_base + TEMP_MONCTL1);
/*
* filt interval is 1 * 46.540us = 46.54us,
......@@ -543,21 +571,21 @@ static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num,
*/
writel(TEMP_MONCTL2_FILTER_INTERVAL(1) |
TEMP_MONCTL2_SENSOR_INTERVAL(429),
mt->thermal_base + TEMP_MONCTL2);
controller_base + TEMP_MONCTL2);
/* poll is set to 10u */
writel(TEMP_AHBPOLL_ADC_POLL_INTERVAL(768),
mt->thermal_base + TEMP_AHBPOLL);
controller_base + TEMP_AHBPOLL);
/* temperature sampling control, 1 sample */
writel(0x0, mt->thermal_base + TEMP_MSRCTL0);
writel(0x0, controller_base + TEMP_MSRCTL0);
/* exceed this polling time, IRQ would be inserted */
writel(0xffffffff, mt->thermal_base + TEMP_AHBTO);
writel(0xffffffff, controller_base + TEMP_AHBTO);
/* number of interrupts per event, 1 is enough */
writel(0x0, mt->thermal_base + TEMP_MONIDET0);
writel(0x0, mt->thermal_base + TEMP_MONIDET1);
writel(0x0, controller_base + TEMP_MONIDET0);
writel(0x0, controller_base + TEMP_MONIDET1);
/*
* The MT8173 thermal controller does not have its own ADC. Instead it
......@@ -572,44 +600,44 @@ 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(conf->auxadc_channel), mt->thermal_base + TEMP_ADCMUX);
writel(BIT(conf->auxadc_channel), controller_base + TEMP_ADCMUX);
/* AHB address for auxadc mux selection */
writel(auxadc_phys_base + AUXADC_CON1_CLR_V,
mt->thermal_base + TEMP_ADCMUXADDR);
controller_base + TEMP_ADCMUXADDR);
/* AHB address for pnp sensor mux selection */
writel(apmixed_phys_base + APMIXED_SYS_TS_CON1,
mt->thermal_base + TEMP_PNPMUXADDR);
controller_base + TEMP_PNPMUXADDR);
/* AHB value for auxadc enable */
writel(BIT(conf->auxadc_channel), mt->thermal_base + TEMP_ADCEN);
writel(BIT(conf->auxadc_channel), controller_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);
controller_base + TEMP_ADCENADDR);
/* AHB address for auxadc valid bit */
writel(auxadc_phys_base + AUXADC_DATA(conf->auxadc_channel),
mt->thermal_base + TEMP_ADCVALIDADDR);
controller_base + TEMP_ADCVALIDADDR);
/* AHB address for auxadc voltage output */
writel(auxadc_phys_base + AUXADC_DATA(conf->auxadc_channel),
mt->thermal_base + TEMP_ADCVOLTADDR);
controller_base + TEMP_ADCVOLTADDR);
/* read valid & voltage are at the same register */
writel(0x0, mt->thermal_base + TEMP_RDCTRL);
writel(0x0, controller_base + TEMP_RDCTRL);
/* indicate where the valid bit is */
writel(TEMP_ADCVALIDMASK_VALID_HIGH | TEMP_ADCVALIDMASK_VALID_POS(12),
mt->thermal_base + TEMP_ADCVALIDMASK);
controller_base + TEMP_ADCVALIDMASK);
/* no shift */
writel(0x0, mt->thermal_base + TEMP_ADCVOLTAGESHIFT);
writel(0x0, controller_base + TEMP_ADCVOLTAGESHIFT);
/* enable auxadc mux write transaction */
writel(TEMP_ADCWRITECTRL_ADC_MUX_WRITE,
mt->thermal_base + TEMP_ADCWRITECTRL);
controller_base + TEMP_ADCWRITECTRL);
for (i = 0; i < conf->bank_data[num].num_sensors; i++)
writel(conf->sensor_mux_values[conf->bank_data[num].sensors[i]],
......@@ -617,11 +645,11 @@ static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num,
conf->adcpnp[conf->bank_data[num].sensors[i]]);
writel((1 << conf->bank_data[num].num_sensors) - 1,
mt->thermal_base + TEMP_MONCTL0);
controller_base + TEMP_MONCTL0);
writel(TEMP_ADCWRITECTRL_ADC_PNP_WRITE |
TEMP_ADCWRITECTRL_ADC_MUX_WRITE,
mt->thermal_base + TEMP_ADCWRITECTRL);
controller_base + TEMP_ADCWRITECTRL);
mtk_thermal_put_bank(bank);
}
......@@ -737,7 +765,7 @@ MODULE_DEVICE_TABLE(of, mtk_thermal_of_match);
static int mtk_thermal_probe(struct platform_device *pdev)
{
int ret, i;
int ret, i, ctrl_id;
struct device_node *auxadc, *apmixedsys, *np = pdev->dev.of_node;
struct mtk_thermal *mt;
struct resource *res;
......@@ -817,9 +845,10 @@ static int mtk_thermal_probe(struct platform_device *pdev)
goto err_disable_clk_auxadc;
}
for (ctrl_id = 0; ctrl_id < mt->conf->num_controller ; ctrl_id++)
for (i = 0; i < mt->conf->num_banks; i++)
mtk_thermal_init_bank(mt, i, apmixed_phys_base,
auxadc_phys_base);
auxadc_phys_base, ctrl_id);
platform_set_drvdata(pdev, mt);
......
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