diff mbox series

[v9,2/5] thermal: mediatek: control buffer enablement tweaks

Message ID 20221018-up-i350-thermal-bringup-v9-2-55a1ae14af74@baylibre.com
State New
Headers show
Series thermal: mediatek: Add support for MT8365 SoC | expand

Commit Message

Amjad Ouled-Ameur Jan. 27, 2023, 3:44 p.m. UTC 
From: Markus Schneider-Pargmann <msp@baylibre.com>

Add logic in order to be able to turn on the control buffer on MT8365.
This change now allows to have control buffer support for MTK_THERMAL_V1,
and it allows to define the register offset, and mask used to enable it.

Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 drivers/thermal/mtk_thermal.c | 25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

Comments

Amjad Ouled-Ameur March 9, 2023, 5:14 p.m. UTC | #1 
Hi Daniel,

On 1/27/23 22:48, Daniel Lezcano wrote:
> On 27/01/2023 16:44, Amjad Ouled-Ameur wrote:
>> From: Markus Schneider-Pargmann <msp@baylibre.com>
>>
>> Add logic in order to be able to turn on the control buffer on MT8365.
>> This change now allows to have control buffer support for MTK_THERMAL_V1,
>> and it allows to define the register offset, and mask used to enable it.
>>
>> Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
>> Signed-off-by: Fabien Parent <fparent@baylibre.com>
>> Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
>> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
>> ---
>>   drivers/thermal/mtk_thermal.c | 25 ++++++++++++++++++-------
>>   1 file changed, 18 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
>> index 8440692e3890..d8ddceb75372 100644
>> --- a/drivers/thermal/mtk_thermal.c
>> +++ b/drivers/thermal/mtk_thermal.c
>> @@ -271,6 +271,9 @@ struct mtk_thermal_data {
>>       bool need_switch_bank;
>>       struct thermal_bank_cfg bank_data[MAX_NUM_ZONES];
>>       enum mtk_thermal_version version;
>> +    u32 apmixed_buffer_ctl_reg;
>> +    u32 apmixed_buffer_ctl_mask;
>> +    u32 apmixed_buffer_ctl_set;
>>   };
>>     struct mtk_thermal {
>> @@ -514,6 +517,9 @@ static const struct mtk_thermal_data mt7622_thermal_data = {
>>       .adcpnp = mt7622_adcpnp,
>>       .sensor_mux_values = mt7622_mux_values,
>>       .version = MTK_THERMAL_V2,
>> +    .apmixed_buffer_ctl_reg = APMIXED_SYS_TS_CON1,
>> +    .apmixed_buffer_ctl_mask = GENMASK(31, 6) | BIT(3),
>> +    .apmixed_buffer_ctl_set = BIT(0),
>>   };
>>     /*
>> @@ -963,14 +969,18 @@ static const struct of_device_id mtk_thermal_of_match[] = {
>>   };
>>   MODULE_DEVICE_TABLE(of, mtk_thermal_of_match);
>>   -static void mtk_thermal_turn_on_buffer(void __iomem *apmixed_base)
>> +static void mtk_thermal_turn_on_buffer(struct mtk_thermal *mt,
>> +                       void __iomem *apmixed_base)
>>   {
>> -    int tmp;
>> +    u32 tmp;
>> +
>> +    if (!mt->conf->apmixed_buffer_ctl_reg)
>> +        return;
>>   -    tmp = readl(apmixed_base + APMIXED_SYS_TS_CON1);
>> -    tmp &= ~(0x37);
>> -    tmp |= 0x1;
>> -    writel(tmp, apmixed_base + APMIXED_SYS_TS_CON1);
>> +    tmp = readl(apmixed_base + mt->conf->apmixed_buffer_ctl_reg);
>> +    tmp &= mt->conf->apmixed_buffer_ctl_mask;
>> +    tmp |= mt->conf->apmixed_buffer_ctl_set;
>> +    writel(tmp, apmixed_base + mt->conf->apmixed_buffer_ctl_reg);
>>       udelay(200);
>>   }
>>   @@ -1070,8 +1080,9 @@ static int mtk_thermal_probe(struct platform_device *pdev)
>>           goto err_disable_clk_auxadc;
>>       }
>>   +    mtk_thermal_turn_on_buffer(mt, apmixed_base);
>> +
>>       if (mt->conf->version == MTK_THERMAL_V2) {
>> -        mtk_thermal_turn_on_buffer(apmixed_base);
>>           mtk_thermal_release_periodic_ts(mt, auxadc_base);
>>       }
>
> This change conflicts with commit 4f2ee0aa2e706
>
> I fixed it with:
>
> -       if (mt->conf->version != MTK_THERMAL_V1) {
> -               mtk_thermal_turn_on_buffer(apmixed_base);
> +       mtk_thermal_turn_on_buffer(apmixed_base);

This should rather be "mtk_thermal_turn_on_buffer(mt, apmixed_base);" as this patch

also adds mtk_thermal arg to the function.


Regards,

Amjad

> +
> +       if (mt->conf->version != MTK_THERMAL_V1)
>                 mtk_thermal_release_periodic_ts(mt, auxadc_base);
> -       }
>
> Let me know if there is something wrong.
>
>
diff mbox series

Patch

diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
index 8440692e3890..d8ddceb75372 100644
--- a/drivers/thermal/mtk_thermal.c
+++ b/drivers/thermal/mtk_thermal.c
@@ -271,6 +271,9 @@  struct mtk_thermal_data {
 	bool need_switch_bank;
 	struct thermal_bank_cfg bank_data[MAX_NUM_ZONES];
 	enum mtk_thermal_version version;
+	u32 apmixed_buffer_ctl_reg;
+	u32 apmixed_buffer_ctl_mask;
+	u32 apmixed_buffer_ctl_set;
 };
 
 struct mtk_thermal {
@@ -514,6 +517,9 @@  static const struct mtk_thermal_data mt7622_thermal_data = {
 	.adcpnp = mt7622_adcpnp,
 	.sensor_mux_values = mt7622_mux_values,
 	.version = MTK_THERMAL_V2,
+	.apmixed_buffer_ctl_reg = APMIXED_SYS_TS_CON1,
+	.apmixed_buffer_ctl_mask = GENMASK(31, 6) | BIT(3),
+	.apmixed_buffer_ctl_set = BIT(0),
 };
 
 /*
@@ -963,14 +969,18 @@  static const struct of_device_id mtk_thermal_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, mtk_thermal_of_match);
 
-static void mtk_thermal_turn_on_buffer(void __iomem *apmixed_base)
+static void mtk_thermal_turn_on_buffer(struct mtk_thermal *mt,
+				       void __iomem *apmixed_base)
 {
-	int tmp;
+	u32 tmp;
+
+	if (!mt->conf->apmixed_buffer_ctl_reg)
+		return;
 
-	tmp = readl(apmixed_base + APMIXED_SYS_TS_CON1);
-	tmp &= ~(0x37);
-	tmp |= 0x1;
-	writel(tmp, apmixed_base + APMIXED_SYS_TS_CON1);
+	tmp = readl(apmixed_base + mt->conf->apmixed_buffer_ctl_reg);
+	tmp &= mt->conf->apmixed_buffer_ctl_mask;
+	tmp |= mt->conf->apmixed_buffer_ctl_set;
+	writel(tmp, apmixed_base + mt->conf->apmixed_buffer_ctl_reg);
 	udelay(200);
 }
 
@@ -1070,8 +1080,9 @@  static int mtk_thermal_probe(struct platform_device *pdev)
 		goto err_disable_clk_auxadc;
 	}
 
+	mtk_thermal_turn_on_buffer(mt, apmixed_base);
+
 	if (mt->conf->version == MTK_THERMAL_V2) {
-		mtk_thermal_turn_on_buffer(apmixed_base);
 		mtk_thermal_release_periodic_ts(mt, auxadc_base);
 	}