Re: [6/9] thermal: exynos: small cleanups to prepare for adding exynos5440driver

From: Eduardo Valentin
Date: Thu Apr 11 2013 - 16:54:57 EST


Amit,

On 26-03-2013 07:33, Amit Daniel Kachhap wrote:
Add calib mode, trigger types and trigger_enable array. This is needed
for adding exynos5440 TMU driver.


I dont think the above are small cleanups. I d rather split this patch into three, one per change and describe them properly.

Signed-off-by: Amit Daniel Kachhap <amit.daniel@xxxxxxxxxxx>

---
drivers/thermal/samsung/exynos4210_thermal.c | 30 ++++++++++++------------
include/linux/platform_data/exynos_thermal.h | 32 +++++++++++++-------------
2 files changed, 31 insertions(+), 31 deletions(-)

diff --git a/drivers/thermal/samsung/exynos4210_thermal.c b/drivers/thermal/samsung/exynos4210_thermal.c
index 09ea8c8..58d16ac 100644
--- a/drivers/thermal/samsung/exynos4210_thermal.c
+++ b/drivers/thermal/samsung/exynos4210_thermal.c
@@ -276,10 +276,10 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on)

if (on) {
con |= EXYNOS_TMU_CORE_ON;
- interrupt_en = pdata->trigger_level3_en << 12 |
- pdata->trigger_level2_en << 8 |
- pdata->trigger_level1_en << 4 |
- pdata->trigger_level0_en;
+ interrupt_en = pdata->trigger_enable[3] << 12 |
+ pdata->trigger_enable[2] << 8 |
+ pdata->trigger_enable[1] << 4 |
+ pdata->trigger_enable[0];
if (pdata->threshold_falling)
interrupt_en |= interrupt_en << 16;
} else {
@@ -394,10 +394,10 @@ static struct exynos_tmu_platform_data const exynos4210_default_tmu_data = {
.trigger_levels[0] = 5,
.trigger_levels[1] = 20,
.trigger_levels[2] = 30,
- .trigger_level0_en = 1,
- .trigger_level1_en = 1,
- .trigger_level2_en = 1,
- .trigger_level3_en = 0,
+ .trigger_enable[0] = 1,
+ .trigger_enable[1] = 1,
+ .trigger_enable[2] = 1,
+ .trigger_enable[3] = 0,
.gain = 15,
.reference_voltage = 7,
.cal_type = TYPE_ONE_POINT_TRIMMING,
@@ -423,10 +423,10 @@ static struct exynos_tmu_platform_data const exynos_default_tmu_data = {
.trigger_levels[0] = 85,
.trigger_levels[1] = 103,
.trigger_levels[2] = 110,
- .trigger_level0_en = 1,
- .trigger_level1_en = 1,
- .trigger_level2_en = 1,
- .trigger_level3_en = 0,
+ .trigger_enable[0] = 1,
+ .trigger_enable[1] = 1,
+ .trigger_enable[2] = 1,
+ .trigger_enable[3] = 0,
.gain = 8,
.reference_voltage = 16,
.noise_cancel_mode = 4,
@@ -566,9 +566,9 @@ static int exynos_tmu_probe(struct platform_device *pdev)

/* Register the sensor with thermal management interface */
(&exynos_sensor_conf)->driver_data = data;
- exynos_sensor_conf.trip_data.trip_count = pdata->trigger_level0_en +
- pdata->trigger_level1_en + pdata->trigger_level2_en +
- pdata->trigger_level3_en;
+ exynos_sensor_conf.trip_data.trip_count = pdata->trigger_enable[0] +
+ pdata->trigger_enable[1] + pdata->trigger_enable[2] +
+ pdata->trigger_enable[3];

for (i = 0; i < exynos_sensor_conf.trip_data.trip_count; i++)
exynos_sensor_conf.trip_data.trip_val[i] =
diff --git a/include/linux/platform_data/exynos_thermal.h b/include/linux/platform_data/exynos_thermal.h
index 893b758..1090f48 100644
--- a/include/linux/platform_data/exynos_thermal.h
+++ b/include/linux/platform_data/exynos_thermal.h
@@ -31,6 +31,17 @@ enum calibration_type {
TYPE_NONE,
};

+enum calibration_mode {
+ SW_MODE,
+ HW_MODE,
+};
+
+enum trigger_type {
+ ACTIVE,
+ CRITICAL,
+ HW_TRIP,
+};
+
enum soc_type {
SOC_ARCH_EXYNOS4210 = 1,
SOC_ARCH_EXYNOS,
@@ -71,18 +82,9 @@ struct freq_clip_table {
* 3: temperature for trigger_level3 interrupt
* condition for trigger_level3 interrupt:
* current temperature > threshold + trigger_levels[3]
- * @trigger_level0_en:
+ * @trigger_enable[]: array to denote which trigger levels are enabled.
* 1 = enable trigger_level0 interrupt,
* 0 = disable trigger_level0 interrupt
- * @trigger_level1_en:
- * 1 = enable trigger_level1 interrupt,
- * 0 = disable trigger_level1 interrupt
- * @trigger_level2_en:
- * 1 = enable trigger_level2 interrupt,
- * 0 = disable trigger_level2 interrupt
- * @trigger_level3_en:
- * 1 = enable trigger_level3 interrupt,
- * 0 = disable trigger_level3 interrupt
* @gain: gain of amplifier in the positive-TC generator block
* 0 <= gain <= 15
* @reference_voltage: reference voltage of amplifier
@@ -93,6 +95,7 @@ struct freq_clip_table {
* @type: determines the type of SOC
* @efuse_value: platform defined fuse value
* @cal_type: calibration type for temperature
+ * @cal_mode: calibration mode for temperature

How about trigger_type?
* @freq_clip_table: Table representing frequency reduction percentage.
* @freq_tab_count: Count of the above table as frequency reduction may
* applicable to only some of the trigger levels.
@@ -103,18 +106,15 @@ struct exynos_tmu_platform_data {
u8 threshold;
u8 threshold_falling;
u8 trigger_levels[MAX_TRIP];
- bool trigger_level0_en;
- bool trigger_level1_en;
- bool trigger_level2_en;
- bool trigger_level3_en;
- bool trigger_level4_en;
-
+ enum trigger_type trigger_type[MAX_TRIP];
+ bool trigger_enable[MAX_TRIP];
u8 gain;
u8 reference_voltage;
u8 noise_cancel_mode;
u32 efuse_value;

enum calibration_type cal_type;
+ enum calibration_mode cal_mode;
enum soc_type type;
struct freq_clip_table freq_tab[MAX_TRIP];
unsigned int freq_tab_count;


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