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thermal: exynos: Add support for many TRIMINFO_CTRL registers 

This patch support many TRIMINFO_CTRL registers if specific Exynos SoC
has one more TRIMINFO_CTRL registers. Also this patch uses proper 'RELOAD'
shift/mask bit operation to set RELOAD feature instead of static value.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Amit Daniel Kachhap <amit.daniel@samsung.com>
Reviewed-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Chanwoo Choi 2014-09-03 12:09:02 +09:00 committed by Eduardo Valentin
parent 60e203ecb1
commit 56c64da7aa
5 changed files with 22 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/thermal/samsung/exynos_thermal_common.h
View File

@ -27,6 +27,7 @@
#define SENSOR_NAME_LEN 16
#define MAX_TRIP_COUNT 8
#define MAX_COOLING_DEVICE 4
#define MAX_TRIMINFO_CTRL_REG 2
#define ACTIVE_INTERVAL 500
#define IDLE_INTERVAL 10000

15
drivers/thermal/samsung/exynos_tmu.c
View File

@ -127,7 +127,7 @@ static int exynos_tmu_initialize(struct platform_device *pdev)
struct exynos_tmu_data *data = platform_get_drvdata(pdev);
struct exynos_tmu_platform_data *pdata = data->pdata;
const struct exynos_tmu_registers *reg = pdata->registers;
unsigned int status, trim_info = 0, con;
unsigned int status, trim_info = 0, con, ctrl;
unsigned int rising_threshold = 0, falling_threshold = 0;
int ret = 0, threshold_code, i;
@ -144,8 +144,17 @@ static int exynos_tmu_initialize(struct platform_device *pdev)
}
}
if (TMU_SUPPORTS(pdata, TRIM_RELOAD))
__raw_writel(1, data->base + reg->triminfo_ctrl);
if (TMU_SUPPORTS(pdata, TRIM_RELOAD)) {
for (i = 0; i < reg->triminfo_ctrl_count; i++) {
if (pdata->triminfo_reload[i]) {
ctrl = readl(data->base +
reg->triminfo_ctrl[i]);
ctrl |= pdata->triminfo_reload[i];
writel(ctrl, data->base +
reg->triminfo_ctrl[i]);
}
}
}
/* Save trimming info in order to perform calibration */
if (data->soc == SOC_ARCH_EXYNOS5440) {

7
drivers/thermal/samsung/exynos_tmu.h
View File

@ -78,6 +78,7 @@ enum soc_type {
* slightly across different exynos SOC's.
* @triminfo_data: register containing 2 pont trimming data
* @triminfo_ctrl: trim info controller register.
* @triminfo_ctrl_count: the number of trim info controller register.
* @tmu_ctrl: TMU main controller register.
* @test_mux_addr_shift: shift bits of test mux address.
* @therm_trip_mode_shift: shift bits of tripping mode in tmu_ctrl register.
@ -112,8 +113,8 @@ enum soc_type {
struct exynos_tmu_registers {
u32 triminfo_data;
u32 triminfo_ctrl;
u32 triminfo_ctrl1;
u32 triminfo_ctrl[MAX_TRIMINFO_CTRL_REG];
u32 triminfo_ctrl_count;
u32 tmu_ctrl;
u32 test_mux_addr_shift;
@ -200,6 +201,7 @@ struct exynos_tmu_registers {
* @second_point_trim: temp value of the second point trimming
* @default_temp_offset: default temperature offset in case of no trimming
* @test_mux; information if SoC supports test MUX
* @triminfo_reload: reload value to read TRIMINFO register
* @cal_type: calibration type for temperature
* @freq_clip_table: Table representing frequency reduction percentage.
* @freq_tab_count: Count of the above table as frequency reduction may
@ -230,6 +232,7 @@ struct exynos_tmu_platform_data {
u8 second_point_trim;
u8 default_temp_offset;
u8 test_mux;
u8 triminfo_reload[MAX_TRIMINFO_CTRL_REG];
enum calibration_type cal_type;
enum soc_type type;

4
drivers/thermal/samsung/exynos_tmu_data.c
View File

@ -169,7 +169,8 @@ struct exynos_tmu_init_data const exynos3250_default_tmu_data = {
#if defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250)
static const struct exynos_tmu_registers exynos4412_tmu_registers = {
.triminfo_data = EXYNOS_TMU_REG_TRIMINFO,
.triminfo_ctrl = EXYNOS_TMU_TRIMINFO_CON,
.triminfo_ctrl[0] = EXYNOS_TMU_TRIMINFO_CON,
.triminfo_ctrl_count = 1,
.tmu_ctrl = EXYNOS_TMU_REG_CONTROL,
.test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT,
.therm_trip_mode_shift = EXYNOS_TMU_TRIP_MODE_SHIFT,
@ -231,6 +232,7 @@ static const struct exynos_tmu_registers exynos4412_tmu_registers = {
.temp_level = 95, \
}, \
.freq_tab_count = 2, \
.triminfo_reload[0] = EXYNOS_TRIMINFO_RELOAD_ENABLE, \
.registers = &exynos4412_tmu_registers, \
.features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \
TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \

1
drivers/thermal/samsung/exynos_tmu_data.h
View File

@ -51,6 +51,7 @@
#define EXYNOS_THD_TEMP_FALL 0x54
#define EXYNOS_EMUL_CON 0x80
#define EXYNOS_TRIMINFO_RELOAD_ENABLE 1
#define EXYNOS_TRIMINFO_25_SHIFT 0
#define EXYNOS_TRIMINFO_85_SHIFT 8
#define EXYNOS_TMU_RISE_INT_MASK 0x111