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thermal/drivers/mediatek/lvts_thermal: Add AP domain for mt8195

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Add MT8195 AP Domain support to LVTS Driver.

Take the opportunity to update the comments to show calibration data
information related to the new domain.

[dlezcano]: Massaged a bit the changelog

Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230307154524.118541-3-bchihi@baylibre.com
This commit is contained in:
Balsam CHIHI 2023-03-07 16:45:22 +01:00 committed by Daniel Lezcano
parent 05aaa7fdb0
commit 561538f770
1 changed files with 74 additions and 20 deletions
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94
drivers/thermal/mediatek/lvts_thermal.c
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@ -530,29 +530,33 @@ static int lvts_sensor_init(struct device *dev, struct lvts_ctrl *lvts_ctrl,
* The efuse blob values follows the sensor enumeration per thermal
* controller. The decoding of the stream is as follow:
*
* <--?-> <----big0 ???---> <-sensor0-> <-0->
* ------------------------------------------
* index in the stream: : | 0x0 | 0x1 | 0x2 | 0x3 | 0x4 | 0x5 | 0x6 |
* ------------------------------------------
* stream index map for MCU Domain :
*
* <--sensor1--><-0-> <----big1 ???---> <-sen
* ------------------------------------------
* | 0x7 | 0x8 | 0x9 | 0xA | 0xB | OxC | OxD |
* ------------------------------------------
* <-----mcu-tc#0-----> <-----sensor#0-----> <-----sensor#1----->
* 0x01 | 0x02 | 0x03 | 0x04 | 0x05 | 0x06 | 0x07 | 0x08 | 0x09
*
* sor0-> <-0-> <-sensor1-> <-0-> ..........
* ------------------------------------------
* | 0x7 | 0x8 | 0x9 | 0xA | 0xB | OxC | OxD |
* ------------------------------------------
* <-----mcu-tc#1-----> <-----sensor#2-----> <-----sensor#3----->
* 0x0A | 0x0B | 0x0C | 0x0D | 0x0E | 0x0F | 0x10 | 0x11 | 0x12
*
* And so on ...
* <-----mcu-tc#2-----> <-----sensor#4-----> <-----sensor#5-----> <-----sensor#6-----> <-----sensor#7----->
* 0x13 | 0x14 | 0x15 | 0x16 | 0x17 | 0x18 | 0x19 | 0x1A | 0x1B | 0x1C | 0x1D | 0x1E | 0x1F | 0x20 | 0x21
*
* stream index map for AP Domain :
*
* <-----ap--tc#0-----> <-----sensor#0-----> <-----sensor#1----->
* 0x22 | 0x23 | 0x24 | 0x25 | 0x26 | 0x27 | 0x28 | 0x29 | 0x2A
*
* <-----ap--tc#1-----> <-----sensor#2-----> <-----sensor#3----->
* 0x2B | 0x2C | 0x2D | 0x2E | 0x2F | 0x30 | 0x31 | 0x32 | 0x33
*
* <-----ap--tc#2-----> <-----sensor#4-----> <-----sensor#5-----> <-----sensor#6----->
* 0x34 | 0x35 | 0x36 | 0x37 | 0x38 | 0x39 | 0x3A | 0x3B | 0x3C | 0x3D | 0x3E | 0x3F
*
* <-----ap--tc#3-----> <-----sensor#7-----> <-----sensor#8----->
* 0x40 | 0x41 | 0x42 | 0x43 | 0x44 | 0x45 | 0x46 | 0x47 | 0x48
*
* The data description gives the offset of the calibration data in
* this bytes stream for each sensor.
*
* Each thermal controller can handle up to 4 sensors max, we don't
* care if there are less as the array of calibration is sized to 4
* anyway. The unused sensor slot will be zeroed.
*/
static int lvts_calibration_init(struct device *dev, struct lvts_ctrl *lvts_ctrl,
const struct lvts_ctrl_data *lvts_ctrl_data,
@ -1165,7 +1169,7 @@ static int lvts_remove(struct platform_device *pdev)
return 0;
}
static const struct lvts_ctrl_data mt8195_lvts_data_ctrl[] = {
static const struct lvts_ctrl_data mt8195_lvts_mcu_data_ctrl[] = {
{
.cal_offset = { 0x04, 0x07 },
.lvts_sensor = {
@ -1200,13 +1204,63 @@ static const struct lvts_ctrl_data mt8195_lvts_data_ctrl[] = {
}
};
static const struct lvts_ctrl_data mt8195_lvts_ap_data_ctrl[] = {
{
.cal_offset = { 0x25, 0x28 },
.lvts_sensor = {
{ .dt_id = MT8195_AP_VPU0 },
{ .dt_id = MT8195_AP_VPU1 }
},
.num_lvts_sensor = 2,
.offset = 0x0,
.hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8195,
},
{
.cal_offset = { 0x2e, 0x31 },
.lvts_sensor = {
{ .dt_id = MT8195_AP_GPU0 },
{ .dt_id = MT8195_AP_GPU1 }
},
.num_lvts_sensor = 2,
.offset = 0x100,
.hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8195,
},
{
.cal_offset = { 0x37, 0x3a, 0x3d },
.lvts_sensor = {
{ .dt_id = MT8195_AP_VDEC },
{ .dt_id = MT8195_AP_IMG },
{ .dt_id = MT8195_AP_INFRA },
},
.num_lvts_sensor = 3,
.offset = 0x200,
.hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8195,
},
{
.cal_offset = { 0x43, 0x46 },
.lvts_sensor = {
{ .dt_id = MT8195_AP_CAM0 },
{ .dt_id = MT8195_AP_CAM1 }
},
.num_lvts_sensor = 2,
.offset = 0x300,
.hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8195,
}
};
static const struct lvts_data mt8195_lvts_mcu_data = {
.lvts_ctrl = mt8195_lvts_data_ctrl,
.num_lvts_ctrl = ARRAY_SIZE(mt8195_lvts_data_ctrl),
.lvts_ctrl = mt8195_lvts_mcu_data_ctrl,
.num_lvts_ctrl = ARRAY_SIZE(mt8195_lvts_mcu_data_ctrl),
};
static const struct lvts_data mt8195_lvts_ap_data = {
.lvts_ctrl = mt8195_lvts_ap_data_ctrl,
.num_lvts_ctrl = ARRAY_SIZE(mt8195_lvts_ap_data_ctrl),
};
static const struct of_device_id lvts_of_match[] = {
{ .compatible = "mediatek,mt8195-lvts-mcu", .data = &mt8195_lvts_mcu_data },
{ .compatible = "mediatek,mt8195-lvts-ap", .data = &mt8195_lvts_ap_data },
{},
};
MODULE_DEVICE_TABLE(of, lvts_of_match);