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Date: Mon, 13 May 2013 07:05:09 +0530
From: amit daniel kachhap <amit.daniel@...sung.com>
To: Eduardo Valentin <eduardo.valentin@...com>
Cc: linux-pm@...r.kernel.org, Zhang Rui <rui.zhang@...el.com>,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
Kukjin Kim <kgene.kim@...sung.com>
Subject: Re: [PATCH V3 09/21] thermal: exynos: Move register definitions from
driver file to data file
On Fri, May 10, 2013 at 7:44 PM, Eduardo Valentin
<eduardo.valentin@...com> wrote:
> On 09-05-2013 22:17, amit daniel kachhap wrote:
>> Hi Eduardo,
>>
>> On Thu, May 9, 2013 at 8:02 PM, Eduardo Valentin
>> <eduardo.valentin@...com> wrote:
>>> Hey Amit,
>>>
>>> On 07-05-2013 09:00, Amit Daniel Kachhap wrote:
>>>> This patch migrates the TMU register definition/bitfields to data file. This
>>>> is needed to support SoC's which use the same TMU controller but register
>>>> validity, offsets or bitfield may slightly vary across SOC's.
>>>>
>>>> Acked-by: Kukjin Kim <kgene.kim@...sung.com>
>>>> Signed-off-by: Amit Daniel Kachhap <amit.daniel@...sung.com>
>>>> ---
>>>> drivers/thermal/samsung/exynos_tmu.c | 177 +++++++++-------------------
>>>> drivers/thermal/samsung/exynos_tmu.h | 76 ++++++++++++
>>>> drivers/thermal/samsung/exynos_tmu_data.c | 59 ++++++++++
>>>> drivers/thermal/samsung/exynos_tmu_data.h | 68 +++++++++++
>>>> 4 files changed, 260 insertions(+), 120 deletions(-)
>>>>
>>>> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
>>>> index 23baeeb..97b87aa 100644
>>>> --- a/drivers/thermal/samsung/exynos_tmu.c
>>>> +++ b/drivers/thermal/samsung/exynos_tmu.c
>>>> @@ -36,77 +36,6 @@
>>>> #include "exynos_tmu.h"
>>>> #include "exynos_tmu_data.h"
>>>>
>>>> -/* Exynos generic registers */
>>>> -#define EXYNOS_TMU_REG_TRIMINFO 0x0
>>>> -#define EXYNOS_TMU_REG_CONTROL 0x20
>>>> -#define EXYNOS_TMU_REG_STATUS 0x28
>>>> -#define EXYNOS_TMU_REG_CURRENT_TEMP 0x40
>>>> -#define EXYNOS_TMU_REG_INTEN 0x70
>>>> -#define EXYNOS_TMU_REG_INTSTAT 0x74
>>>> -#define EXYNOS_TMU_REG_INTCLEAR 0x78
>>>> -
>>>> -#define EXYNOS_TMU_TRIM_TEMP_MASK 0xff
>>>> -#define EXYNOS_TMU_GAIN_SHIFT 8
>>>> -#define EXYNOS_TMU_GAIN_MASK 0xf
>>>> -#define EXYNOS_TMU_REF_VOLTAGE_SHIFT 24
>>>> -#define EXYNOS_TMU_REF_VOLTAGE_MASK 0x1f
>>>> -#define EXYNOS_TMU_BUF_SLOPE_SEL_MASK 0xf
>>>> -#define EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT 8
>>>> -#define EXYNOS_TMU_CORE_EN_SHIFT 0
>>>> -
>>>> -/* Exynos4210 specific registers */
>>>> -#define EXYNOS4210_TMU_REG_THRESHOLD_TEMP 0x44
>>>> -#define EXYNOS4210_TMU_REG_TRIG_LEVEL0 0x50
>>>> -#define EXYNOS4210_TMU_REG_TRIG_LEVEL1 0x54
>>>> -#define EXYNOS4210_TMU_REG_TRIG_LEVEL2 0x58
>>>> -#define EXYNOS4210_TMU_REG_TRIG_LEVEL3 0x5C
>>>> -#define EXYNOS4210_TMU_REG_PAST_TEMP0 0x60
>>>> -#define EXYNOS4210_TMU_REG_PAST_TEMP1 0x64
>>>> -#define EXYNOS4210_TMU_REG_PAST_TEMP2 0x68
>>>> -#define EXYNOS4210_TMU_REG_PAST_TEMP3 0x6C
>>>> -
>>>> -#define EXYNOS4210_TMU_TRIG_LEVEL0_MASK 0x1
>>>> -#define EXYNOS4210_TMU_TRIG_LEVEL1_MASK 0x10
>>>> -#define EXYNOS4210_TMU_TRIG_LEVEL2_MASK 0x100
>>>> -#define EXYNOS4210_TMU_TRIG_LEVEL3_MASK 0x1000
>>>> -#define EXYNOS4210_TMU_TRIG_LEVEL_MASK 0x1111
>>>> -#define EXYNOS4210_TMU_INTCLEAR_VAL 0x1111
>>>> -
>>>> -/* Exynos5250 and Exynos4412 specific registers */
>>>> -#define EXYNOS_TMU_TRIMINFO_CON 0x14
>>>> -#define EXYNOS_THD_TEMP_RISE 0x50
>>>> -#define EXYNOS_THD_TEMP_FALL 0x54
>>>> -#define EXYNOS_EMUL_CON 0x80
>>>> -
>>>> -#define EXYNOS_TRIMINFO_RELOAD 0x1
>>>> -#define EXYNOS_TRIMINFO_SHIFT 0x0
>>>> -#define EXYNOS_TMU_RISE_INT_MASK 0x111
>>>> -#define EXYNOS_TMU_RISE_INT_SHIFT 0
>>>> -#define EXYNOS_TMU_FALL_INT_MASK 0x111
>>>> -#define EXYNOS_TMU_FALL_INT_SHIFT 12
>>>> -#define EXYNOS_TMU_CLEAR_RISE_INT 0x111
>>>> -#define EXYNOS_TMU_CLEAR_FALL_INT (0x111 << 12)
>>>> -#define EXYNOS_TMU_TRIP_MODE_SHIFT 13
>>>> -#define EXYNOS_TMU_TRIP_MODE_MASK 0x7
>>>> -#define EXYNOS_TMU_THERM_TRIP_EN_SHIFT 12
>>>> -
>>>> -#define EXYNOS_TMU_INTEN_RISE0_SHIFT 0
>>>> -#define EXYNOS_TMU_INTEN_RISE1_SHIFT 4
>>>> -#define EXYNOS_TMU_INTEN_RISE2_SHIFT 8
>>>> -#define EXYNOS_TMU_INTEN_RISE3_SHIFT 12
>>>> -#define EXYNOS_TMU_INTEN_FALL0_SHIFT 16
>>>> -#define EXYNOS_TMU_INTEN_FALL1_SHIFT 20
>>>> -#define EXYNOS_TMU_INTEN_FALL2_SHIFT 24
>>>> -
>>>> -#ifdef CONFIG_THERMAL_EMULATION
>>>> -#define EXYNOS_EMUL_TIME 0x57F0
>>>> -#define EXYNOS_EMUL_TIME_MASK 0xffff
>>>> -#define EXYNOS_EMUL_TIME_SHIFT 16
>>>> -#define EXYNOS_EMUL_DATA_SHIFT 8
>>>> -#define EXYNOS_EMUL_DATA_MASK 0xFF
>>>> -#define EXYNOS_EMUL_ENABLE 0x1
>>>> -#endif /* CONFIG_THERMAL_EMULATION */
>>>> -
>>>> struct exynos_tmu_data {
>>>> struct exynos_tmu_platform_data *pdata;
>>>> struct resource *mem;
>>>> @@ -191,6 +120,7 @@ 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;
>>>> + struct exynos_tmu_registers *reg = pdata->registers;
>>>> unsigned int status, trim_info, con;
>>>> unsigned int rising_threshold = 0, falling_threshold = 0;
>>>> int ret = 0, threshold_code, i, trigger_levs = 0;
>>>> @@ -198,20 +128,20 @@ static int exynos_tmu_initialize(struct platform_device *pdev)
>>>> mutex_lock(&data->lock);
>>>> clk_enable(data->clk);
>>>>
>>>> - status = readb(data->base + EXYNOS_TMU_REG_STATUS);
>>>> + status = readb(data->base + reg->tmu_status);
>>>> if (!status) {
>>>> ret = -EBUSY;
>>>> goto out;
>>>> }
>>>>
>>>> - if (data->soc == SOC_ARCH_EXYNOS) {
>>>> - __raw_writel(EXYNOS_TRIMINFO_RELOAD,
>>>> - data->base + EXYNOS_TMU_TRIMINFO_CON);
>>>> - }
>>>> + if (data->soc == SOC_ARCH_EXYNOS)
>>>> + __raw_writel(1, data->base + reg->triminfo_ctrl);
>>>> +
>>>> /* Save trimming info in order to perform calibration */
>>>> - trim_info = readl(data->base + EXYNOS_TMU_REG_TRIMINFO);
>>>> - data->temp_error1 = trim_info & EXYNOS_TMU_TRIM_TEMP_MASK;
>>>> - data->temp_error2 = ((trim_info >> 8) & EXYNOS_TMU_TRIM_TEMP_MASK);
>>>> + trim_info = readl(data->base + reg->triminfo_data);
>>>> + data->temp_error1 = trim_info & EXYNOS_TMU_TEMP_MASK;
>>>> + data->temp_error2 = ((trim_info >> reg->triminfo_85_shift) &
>>>> + EXYNOS_TMU_TEMP_MASK);
>>>
>>> You changed from EXYNOS_TMU_TRIM_TEMP_MASK to EXYNOS_TMU_TEMP_MASK. Was
>>> it this really what you wanted?
>> Actually temp masks are same so removed EXYNOS_TMU_TRIM_TEMP_MASK.
>
> ok
>
>>>
>>>>
>>>> if ((pdata->min_efuse_value > data->temp_error1) ||
>>>> (data->temp_error1 > pdata->max_efuse_value) ||
>>>> @@ -231,13 +161,12 @@ static int exynos_tmu_initialize(struct platform_device *pdev)
>>>> goto out;
>>>> }
>>>> writeb(threshold_code,
>>>> - data->base + EXYNOS4210_TMU_REG_THRESHOLD_TEMP);
>>>> + data->base + reg->threshold_temp);
>>>> for (i = 0; i < trigger_levs; i++)
>>>> writeb(pdata->trigger_levels[i],
>>>> - data->base + EXYNOS4210_TMU_REG_TRIG_LEVEL0 + i * 4);
>>>> + data->base + reg->threshold_th0 + i * 4);
>>>>
>>>
>>> Is 4 your addressing unit? I believe there is a macro definition for this.
>> yes 4 is a addressing unit. This is only used for 1 SOC so didn't define macro.
>
> Yeah, I though we would have one already. Quick git grep and could not
> find. How about using sizeof(void *) ?
Yes it is should be fine.
>
>>>
>>>> - writel(EXYNOS4210_TMU_INTCLEAR_VAL,
>>>> - data->base + EXYNOS_TMU_REG_INTCLEAR);
>>>> + writel(reg->inten_rise_mask, data->base + reg->tmu_intclear);
>>>> } else if (data->soc == SOC_ARCH_EXYNOS) {
>>>> /* Write temperature code for rising and falling threshold */
>>>> for (i = 0; i < trigger_levs; i++) {
>>>> @@ -258,18 +187,19 @@ static int exynos_tmu_initialize(struct platform_device *pdev)
>>>> }
>>>> if (pdata->trigger_type[i] != HW_TRIP)
>>>> continue;
>>>> - con = readl(data->base + EXYNOS_TMU_REG_CONTROL);
>>>> - con |= (1 << EXYNOS_TMU_THERM_TRIP_EN_SHIFT);
>>>> - writel(con, data->base + EXYNOS_TMU_REG_CONTROL);
>>>> + con = readl(data->base + reg->tmu_ctrl);
>>>> + con |= (1 << reg->therm_trip_en_shift);
>>>> + writel(con, data->base + reg->tmu_ctrl);
>>>> }
>>>>
>>>> writel(rising_threshold,
>>>> - data->base + EXYNOS_THD_TEMP_RISE);
>>>> + data->base + reg->threshold_th0);
>>>> writel(falling_threshold,
>>>> - data->base + EXYNOS_THD_TEMP_FALL);
>>>> + data->base + reg->threshold_th1);
>>>>
>>>> - writel(EXYNOS_TMU_CLEAR_RISE_INT | EXYNOS_TMU_CLEAR_FALL_INT,
>>>> - data->base + EXYNOS_TMU_REG_INTCLEAR);
>>>> + writel((reg->inten_rise_mask << reg->inten_rise_shift) |
>>>> + (reg->inten_fall_mask << reg->inten_fall_shift),
>>>> + data->base + reg->tmu_intclear);
>>>> }
>>>> out:
>>>> clk_disable(data->clk);
>>>> @@ -282,46 +212,46 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on)
>>>> {
>>>> struct exynos_tmu_data *data = platform_get_drvdata(pdev);
>>>> struct exynos_tmu_platform_data *pdata = data->pdata;
>>>> + struct exynos_tmu_registers *reg = pdata->registers;
>>>> unsigned int con, interrupt_en;
>>>>
>>>> mutex_lock(&data->lock);
>>>> clk_enable(data->clk);
>>>>
>>>> - con = readl(data->base + EXYNOS_TMU_REG_CONTROL);
>>>> + con = readl(data->base + reg->tmu_ctrl);
>>>>
>>>> if (pdata->reference_voltage) {
>>>> - con &= ~(EXYNOS_TMU_REF_VOLTAGE_MASK <<
>>>> - EXYNOS_TMU_REF_VOLTAGE_SHIFT);
>>>> - con |= pdata->reference_voltage << EXYNOS_TMU_REF_VOLTAGE_SHIFT;
>>>> + con &= ~(reg->buf_vref_sel_mask << reg->buf_vref_sel_shift);
>>>> + con |= pdata->reference_voltage << reg->buf_vref_sel_shift;
>>>> }
>>>>
>>>> if (pdata->gain) {
>>>> - con &= ~(EXYNOS_TMU_GAIN_MASK << EXYNOS_TMU_GAIN_SHIFT);
>>>> - con |= (pdata->gain << EXYNOS_TMU_GAIN_SHIFT);
>>>> + con &= ~(reg->buf_slope_sel_mask << reg->buf_slope_sel_shift);
>>>> + con |= (pdata->gain << reg->buf_slope_sel_shift);
>>>> }
>>>>
>>>> if (pdata->noise_cancel_mode) {
>>>> - con &= ~(EXYNOS_TMU_TRIP_MODE_MASK <<
>>>> - EXYNOS_TMU_TRIP_MODE_SHIFT);
>>>> - con |= (pdata->noise_cancel_mode << EXYNOS_TMU_TRIP_MODE_SHIFT);
>>>> + con &= ~(reg->therm_trip_mode_mask <<
>>>> + reg->therm_trip_mode_shift);
>>>> + con |= (pdata->noise_cancel_mode << reg->therm_trip_mode_shift);
>>>> }
>>>>
>>>> if (on) {
>>>> - con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT);
>>>> + con |= (1 << reg->core_en_shift);
>>>> interrupt_en =
>>>> - pdata->trigger_enable[3] << EXYNOS_TMU_INTEN_RISE3_SHIFT |
>>>> - pdata->trigger_enable[2] << EXYNOS_TMU_INTEN_RISE2_SHIFT |
>>>> - pdata->trigger_enable[1] << EXYNOS_TMU_INTEN_RISE1_SHIFT |
>>>> - pdata->trigger_enable[0] << EXYNOS_TMU_INTEN_RISE0_SHIFT;
>>>> + pdata->trigger_enable[3] << reg->inten_rise3_shift |
>>>> + pdata->trigger_enable[2] << reg->inten_rise2_shift |
>>>> + pdata->trigger_enable[1] << reg->inten_rise1_shift |
>>>> + pdata->trigger_enable[0] << reg->inten_rise0_shift;
>>>> if (pdata->threshold_falling)
>>>> interrupt_en |=
>>>> - interrupt_en << EXYNOS_TMU_INTEN_FALL0_SHIFT;
>>>> + interrupt_en << reg->inten_fall0_shift;
>>>> } else {
>>>> - con &= ~(1 << EXYNOS_TMU_CORE_EN_SHIFT);
>>>> + con &= ~(1 << reg->core_en_shift);
>>>> interrupt_en = 0; /* Disable all interrupts */
>>>> }
>>>> - writel(interrupt_en, data->base + EXYNOS_TMU_REG_INTEN);
>>>> - writel(con, data->base + EXYNOS_TMU_REG_CONTROL);
>>>> + writel(interrupt_en, data->base + reg->tmu_inten);
>>>> + writel(con, data->base + reg->tmu_ctrl);
>>>>
>>>> clk_disable(data->clk);
>>>> mutex_unlock(&data->lock);
>>>> @@ -329,13 +259,15 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on)
>>>>
>>>> static int exynos_tmu_read(struct exynos_tmu_data *data)
>>>> {
>>>> + struct exynos_tmu_platform_data *pdata = data->pdata;
>>>> + struct exynos_tmu_registers *reg = pdata->registers;
>>>> u8 temp_code;
>>>> int temp;
>>>>
>>>> mutex_lock(&data->lock);
>>>> clk_enable(data->clk);
>>>>
>>>> - temp_code = readb(data->base + EXYNOS_TMU_REG_CURRENT_TEMP);
>>>> + temp_code = readb(data->base + reg->tmu_cur_temp);
>>>> temp = code_to_temp(data, temp_code);
>>>>
>>>> clk_disable(data->clk);
>>>> @@ -348,7 +280,9 @@ static int exynos_tmu_read(struct exynos_tmu_data *data)
>>>> static int exynos_tmu_set_emulation(void *drv_data, unsigned long temp)
>>>> {
>>>> struct exynos_tmu_data *data = drv_data;
>>>> - unsigned int reg;
>>>> + struct exynos_tmu_platform_data *pdata = data->pdata;
>>>> + struct exynos_tmu_registers *reg = pdata->registers;
>>>> + unsigned int val;
>>>> int ret = -EINVAL;
>>>>
>>>> if (data->soc == SOC_ARCH_EXYNOS4210)
>>>> @@ -360,19 +294,19 @@ static int exynos_tmu_set_emulation(void *drv_data, unsigned long temp)
>>>> mutex_lock(&data->lock);
>>>> clk_enable(data->clk);
>>>>
>>>> - reg = readl(data->base + EXYNOS_EMUL_CON);
>>>> + val = readl(data->base + reg->emul_con);
>>>>
>>>> if (temp) {
>>>> temp /= MCELSIUS;
>>>>
>>>> - reg = (EXYNOS_EMUL_TIME << EXYNOS_EMUL_TIME_SHIFT) |
>>>> + val = (EXYNOS_EMUL_TIME << reg->emul_time_shift) |
>>>> (temp_to_code(data, temp)
>>>> - << EXYNOS_EMUL_DATA_SHIFT) | EXYNOS_EMUL_ENABLE;
>>>> + << reg->emul_temp_shift) | EXYNOS_EMUL_ENABLE;
>>>> } else {
>>>> - reg &= ~EXYNOS_EMUL_ENABLE;
>>>> + val &= ~EXYNOS_EMUL_ENABLE;
>>>> }
>>>>
>>>> - writel(reg, data->base + EXYNOS_EMUL_CON);
>>>> + writel(val, data->base + reg->emul_con);
>>>>
>>>> clk_disable(data->clk);
>>>> mutex_unlock(&data->lock);
>>>> @@ -389,17 +323,20 @@ static void exynos_tmu_work(struct work_struct *work)
>>>> {
>>>> struct exynos_tmu_data *data = container_of(work,
>>>> struct exynos_tmu_data, irq_work);
>>>> + struct exynos_tmu_platform_data *pdata = data->pdata;
>>>> + struct exynos_tmu_registers *reg = pdata->registers;
>>>>
>>>> exynos_report_trigger();
>>>> mutex_lock(&data->lock);
>>>> clk_enable(data->clk);
>>>> +
>>>> if (data->soc == SOC_ARCH_EXYNOS)
>>>> - writel(EXYNOS_TMU_CLEAR_RISE_INT |
>>>> - EXYNOS_TMU_CLEAR_FALL_INT,
>>>> - data->base + EXYNOS_TMU_REG_INTCLEAR);
>>>> + writel((reg->inten_rise_mask << reg->inten_rise_shift) |
>>>> + (reg->inten_fall_mask << reg->inten_fall_shift),
>>>> + data->base + reg->tmu_intclear);
>>>> else
>>>> - writel(EXYNOS4210_TMU_INTCLEAR_VAL,
>>>> - data->base + EXYNOS_TMU_REG_INTCLEAR);
>>>> + writel(reg->inten_rise_mask, data->base + reg->tmu_intclear);
>>>> +
>>>> clk_disable(data->clk);
>>>> mutex_unlock(&data->lock);
>>>>
>>>> diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h
>>>> index 70cc518..1e5e492 100644
>>>> --- a/drivers/thermal/samsung/exynos_tmu.h
>>>> +++ b/drivers/thermal/samsung/exynos_tmu.h
>>>> @@ -46,6 +46,81 @@ enum soc_type {
>>>> };
>>>>
>>>> /**
>>>> + * struct exynos_tmu_register - register descriptors to access registers and
>>>> + * bitfields. The register validity, offsets and bitfield values may vary
>>>> + * slightly across different exynos SOC's.
>>>
>>> No documentation for your registers? Or at least where to find explanation?
>> yes didn't write documentation. Will do it.
>>>
>>>> + */
>>>> +struct exynos_tmu_registers {
>>>> + u32 triminfo_data;
>>>> + u32 triminfo_25_shift;
>>>> + u32 triminfo_85_shift;
>>>> +
>>>> + u32 triminfo_ctrl;
>>>> + u32 triminfo_reload_shift;
>>>> +
>>>> + u32 tmu_ctrl;
>>>> + u32 buf_vref_sel_shift;
>>>> + u32 buf_vref_sel_mask;
>>>> + u32 therm_trip_mode_shift;
>>>> + u32 therm_trip_mode_mask;
>>>> + u32 therm_trip_en_shift;
>>>> + u32 buf_slope_sel_shift;
>>>> + u32 buf_slope_sel_mask;
>>>> + u32 therm_trip_tq_en_shift;
>>>> + u32 core_en_shift;
>>>> +
>>>> + u32 tmu_status;
>>>> +
>>>> + u32 tmu_cur_temp;
>>>> + u32 tmu_cur_temp_shift;
>>>> +
>>>> + u32 threshold_temp;
>>>> +
>>>> + u32 threshold_th0;
>>>> + u32 threshold_th0_l0_shift;
>>>> + u32 threshold_th0_l1_shift;
>>>> + u32 threshold_th0_l2_shift;
>>>> + u32 threshold_th0_l3_shift;
>>>> +
>>>> + u32 threshold_th1;
>>>> + u32 threshold_th1_l0_shift;
>>>> + u32 threshold_th1_l1_shift;
>>>> + u32 threshold_th1_l2_shift;
>>>> + u32 threshold_th1_l3_shift;
>>>> +
>>>> + u32 threshold_th2;
>>>> + u32 threshold_th2_l0_shift;
>>>> +
>>>> + u32 threshold_th3;
>>>> + u32 threshold_th3_l0_shift;
>>>> +
>>>> + u32 tmu_inten;
>>>> + u32 inten_rise_shift;
>>>> + u32 inten_rise_mask;
>>>> + u32 inten_fall_shift;
>>>> + u32 inten_fall_mask;
>>>> + u32 inten_rise0_shift;
>>>> + u32 inten_rise1_shift;
>>>> + u32 inten_rise2_shift;
>>>> + u32 inten_rise3_shift;
>>>> + u32 inten_fall0_shift;
>>>> + u32 inten_fall1_shift;
>>>> + u32 inten_fall2_shift;
>>>> + u32 inten_fall3_shift;
>>>> +
>>>> + u32 tmu_intstat;
>>>> +
>>>> + u32 tmu_intclear;
>>>> +
>>>> + u32 tmu_evten;
>>>> +
>>>> + u32 emul_con;
>>>> + u32 emul_temp_shift;
>>>> + u32 emul_time_shift;
>>>> + u32 emul_time_mask;
>>>> +};
>>>> +
>>>> +/**
>>>> * struct exynos_tmu_platform_data
>>>> * @threshold: basic temperature for generating interrupt
>>>> * 25 <= threshold <= 125 [unit: degree Celsius]
>>>> @@ -116,5 +191,6 @@ struct exynos_tmu_platform_data {
>>>> enum soc_type type;
>>>> struct freq_clip_table freq_tab[4];
>>>> unsigned int freq_tab_count;
>>>> + struct exynos_tmu_registers *registers;
>>>> };
>>>> #endif /* _LINUX_EXYNOS_THERMAL_H */
>>>> diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c
>>>> index 6b937f5..3a1ded1 100644
>>>> --- a/drivers/thermal/samsung/exynos_tmu_data.c
>>>> +++ b/drivers/thermal/samsung/exynos_tmu_data.c
>>>> @@ -25,6 +25,28 @@
>>>> #include "exynos_tmu_data.h"
>>>>
>>>> #if defined(CONFIG_CPU_EXYNOS4210)
>>>> +static struct exynos_tmu_registers exynos4210_tmu_registers = {
>>>> + .triminfo_data = EXYNOS_TMU_REG_TRIMINFO,
>>>> + .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT,
>>>> + .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT,
>>>> + .tmu_ctrl = EXYNOS_TMU_REG_CONTROL,
>>>> + .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT,
>>>> + .buf_vref_sel_mask = EXYNOS_TMU_REF_VOLTAGE_MASK,
>>>> + .buf_slope_sel_shift = EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT,
>>>> + .buf_slope_sel_mask = EXYNOS_TMU_BUF_SLOPE_SEL_MASK,
>>>> + .core_en_shift = EXYNOS_TMU_CORE_EN_SHIFT,
>>>> + .tmu_status = EXYNOS_TMU_REG_STATUS,
>>>> + .tmu_cur_temp = EXYNOS_TMU_REG_CURRENT_TEMP,
>>>> + .threshold_temp = EXYNOS4210_TMU_REG_THRESHOLD_TEMP,
>>>> + .threshold_th0 = EXYNOS4210_TMU_REG_TRIG_LEVEL0,
>>>> + .tmu_inten = EXYNOS_TMU_REG_INTEN,
>>>> + .inten_rise_mask = EXYNOS4210_TMU_TRIG_LEVEL_MASK,
>>>> + .inten_rise0_shift = EXYNOS_TMU_INTEN_RISE0_SHIFT,
>>>> + .inten_rise1_shift = EXYNOS_TMU_INTEN_RISE1_SHIFT,
>>>> + .inten_rise2_shift = EXYNOS_TMU_INTEN_RISE2_SHIFT,
>>>> + .inten_rise3_shift = EXYNOS_TMU_INTEN_RISE3_SHIFT,
>>>> + .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR,
>>>> +};
>>>> struct exynos_tmu_platform_data const exynos4210_default_tmu_data = {
>>>> .threshold = 80,
>>>> .trigger_levels[0] = 5,
>>>> @@ -55,10 +77,46 @@ struct exynos_tmu_platform_data const exynos4210_default_tmu_data = {
>>>> },
>>>> .freq_tab_count = 2,
>>>> .type = SOC_ARCH_EXYNOS4210,
>>>> + .registers = &exynos4210_tmu_registers,
>>>> };
>>>> #endif
>>>>
>>>> #if defined(CONFIG_SOC_EXYNOS5250) || defined(CONFIG_SOC_EXYNOS4412)
>>>> +static struct exynos_tmu_registers exynos5250_tmu_registers = {
>>>> + .triminfo_data = EXYNOS_TMU_REG_TRIMINFO,
>>>> + .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT,
>>>> + .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT,
>>>> + .triminfo_ctrl = EXYNOS_TMU_TRIMINFO_CON,
>>>> + .triminfo_reload_shift = EXYNOS_TRIMINFO_RELOAD_SHIFT,
>>>> + .tmu_ctrl = EXYNOS_TMU_REG_CONTROL,
>>>> + .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT,
>>>> + .buf_vref_sel_mask = EXYNOS_TMU_REF_VOLTAGE_MASK,
>>>> + .therm_trip_mode_shift = EXYNOS_TMU_TRIP_MODE_SHIFT,
>>>> + .therm_trip_mode_mask = EXYNOS_TMU_TRIP_MODE_MASK,
>>>> + .therm_trip_en_shift = EXYNOS_TMU_THERM_TRIP_EN_SHIFT,
>>>> + .buf_slope_sel_shift = EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT,
>>>> + .buf_slope_sel_mask = EXYNOS_TMU_BUF_SLOPE_SEL_MASK,
>>>> + .core_en_shift = EXYNOS_TMU_CORE_EN_SHIFT,
>>>> + .tmu_status = EXYNOS_TMU_REG_STATUS,
>>>> + .tmu_cur_temp = EXYNOS_TMU_REG_CURRENT_TEMP,
>>>> + .threshold_th0 = EXYNOS_THD_TEMP_RISE,
>>>> + .threshold_th1 = EXYNOS_THD_TEMP_FALL,
>>>> + .tmu_inten = EXYNOS_TMU_REG_INTEN,
>>>> + .inten_rise_mask = EXYNOS_TMU_RISE_INT_MASK,
>>>> + .inten_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT,
>>>> + .inten_fall_mask = EXYNOS_TMU_FALL_INT_MASK,
>>>> + .inten_fall_shift = EXYNOS_TMU_FALL_INT_SHIFT,
>>>> + .inten_rise0_shift = EXYNOS_TMU_INTEN_RISE0_SHIFT,
>>>> + .inten_rise1_shift = EXYNOS_TMU_INTEN_RISE1_SHIFT,
>>>> + .inten_rise2_shift = EXYNOS_TMU_INTEN_RISE2_SHIFT,
>>>> + .inten_rise3_shift = EXYNOS_TMU_INTEN_RISE3_SHIFT,
>>>> + .inten_fall0_shift = EXYNOS_TMU_INTEN_FALL0_SHIFT,
>>>> + .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR,
>>>> + .emul_con = EXYNOS_EMUL_CON,
>>>> + .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT,
>>>> + .emul_time_shift = EXYNOS_EMUL_TIME_SHIFT,
>>>> + .emul_time_mask = EXYNOS_EMUL_TIME_MASK,
>>>> +};
>>>> struct exynos_tmu_platform_data const exynos5250_default_tmu_data = {
>>>> .threshold_falling = 10,
>>>> .trigger_levels[0] = 85,
>>>> @@ -93,5 +151,6 @@ struct exynos_tmu_platform_data const exynos5250_default_tmu_data = {
>>>> },
>>>> .freq_tab_count = 2,
>>>> .type = SOC_ARCH_EXYNOS,
>>>> + .registers = &exynos5250_tmu_registers,
>>>> };
>>>> #endif
>>>
>>> One thing, I believe your data can be declared as const.
>> yes they are already const.
>>
>
> Not all. The register structs you are adding are not const, for instance.
ok right.
>
>> Thanks,
>> Amit Daniel
>>>
>>>> diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h
>>>> index 5b69711..0560413 100644
>>>> --- a/drivers/thermal/samsung/exynos_tmu_data.h
>>>> +++ b/drivers/thermal/samsung/exynos_tmu_data.h
>>>> @@ -23,6 +23,74 @@
>>>> #ifndef _LINUX_EXYNOS_TMU_DATA_H
>>>> #define _LINUX_EXYNOS_TMU_DATA_H
>>>>
>>>> +/* Exynos generic registers */
>>>> +#define EXYNOS_TMU_REG_TRIMINFO 0x0
>>>> +#define EXYNOS_TMU_REG_CONTROL 0x20
>>>> +#define EXYNOS_TMU_REG_STATUS 0x28
>>>> +#define EXYNOS_TMU_REG_CURRENT_TEMP 0x40
>>>> +#define EXYNOS_TMU_REG_INTEN 0x70
>>>> +#define EXYNOS_TMU_REG_INTSTAT 0x74
>>>> +#define EXYNOS_TMU_REG_INTCLEAR 0x78
>>>> +
>>>> +#define EXYNOS_TMU_TEMP_MASK 0xff
>>>> +#define EXYNOS_TMU_REF_VOLTAGE_SHIFT 24
>>>> +#define EXYNOS_TMU_REF_VOLTAGE_MASK 0x1f
>>>> +#define EXYNOS_TMU_BUF_SLOPE_SEL_MASK 0xf
>>>> +#define EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT 8
>>>> +#define EXYNOS_TMU_CORE_EN_SHIFT 0
>>>> +
>>>> +/* Exynos4210 specific registers */
>>>> +#define EXYNOS4210_TMU_REG_THRESHOLD_TEMP 0x44
>>>> +#define EXYNOS4210_TMU_REG_TRIG_LEVEL0 0x50
>>>> +#define EXYNOS4210_TMU_REG_TRIG_LEVEL1 0x54
>>>> +#define EXYNOS4210_TMU_REG_TRIG_LEVEL2 0x58
>>>> +#define EXYNOS4210_TMU_REG_TRIG_LEVEL3 0x5C
>>>> +#define EXYNOS4210_TMU_REG_PAST_TEMP0 0x60
>>>> +#define EXYNOS4210_TMU_REG_PAST_TEMP1 0x64
>>>> +#define EXYNOS4210_TMU_REG_PAST_TEMP2 0x68
>>>> +#define EXYNOS4210_TMU_REG_PAST_TEMP3 0x6C
>>>> +
>>>> +#define EXYNOS4210_TMU_TRIG_LEVEL0_MASK 0x1
>>>> +#define EXYNOS4210_TMU_TRIG_LEVEL1_MASK 0x10
>>>> +#define EXYNOS4210_TMU_TRIG_LEVEL2_MASK 0x100
>>>> +#define EXYNOS4210_TMU_TRIG_LEVEL3_MASK 0x1000
>>>> +#define EXYNOS4210_TMU_TRIG_LEVEL_MASK 0x1111
>>>> +#define EXYNOS4210_TMU_INTCLEAR_VAL 0x1111
>>>> +
>>>> +/* Exynos5250 and Exynos4412 specific registers */
>>>> +#define EXYNOS_TMU_TRIMINFO_CON 0x14
>>>> +#define EXYNOS_THD_TEMP_RISE 0x50
>>>> +#define EXYNOS_THD_TEMP_FALL 0x54
>>>> +#define EXYNOS_EMUL_CON 0x80
>>>> +
>>>> +#define EXYNOS_TRIMINFO_RELOAD_SHIFT 1
>>>> +#define EXYNOS_TRIMINFO_25_SHIFT 0
>>>> +#define EXYNOS_TRIMINFO_85_SHIFT 8
>>>> +#define EXYNOS_TMU_RISE_INT_MASK 0x111
>>>> +#define EXYNOS_TMU_RISE_INT_SHIFT 0
>>>> +#define EXYNOS_TMU_FALL_INT_MASK 0x111
>>>> +#define EXYNOS_TMU_FALL_INT_SHIFT 12
>>>> +#define EXYNOS_TMU_CLEAR_RISE_INT 0x111
>>>> +#define EXYNOS_TMU_CLEAR_FALL_INT (0x111 << 12)
>>>> +#define EXYNOS_TMU_TRIP_MODE_SHIFT 13
>>>> +#define EXYNOS_TMU_TRIP_MODE_MASK 0x7
>>>> +#define EXYNOS_TMU_THERM_TRIP_EN_SHIFT 12
>>>> +
>>>> +#define EXYNOS_TMU_INTEN_RISE0_SHIFT 0
>>>> +#define EXYNOS_TMU_INTEN_RISE1_SHIFT 4
>>>> +#define EXYNOS_TMU_INTEN_RISE2_SHIFT 8
>>>> +#define EXYNOS_TMU_INTEN_RISE3_SHIFT 12
>>>> +#define EXYNOS_TMU_INTEN_FALL0_SHIFT 16
>>>> +#define EXYNOS_TMU_INTEN_FALL1_SHIFT 20
>>>> +#define EXYNOS_TMU_INTEN_FALL2_SHIFT 24
>>>> +
>>>> +#define EXYNOS_EMUL_TIME 0x57F0
>>>> +#define EXYNOS_EMUL_TIME_MASK 0xffff
>>>> +#define EXYNOS_EMUL_TIME_SHIFT 16
>>>> +#define EXYNOS_EMUL_DATA_SHIFT 8
>>>> +#define EXYNOS_EMUL_DATA_MASK 0xFF
>>>> +#define EXYNOS_EMUL_ENABLE 0x1
>>>> +
>>>> #if defined(CONFIG_CPU_EXYNOS4210) && defined(CONFIG_EXYNOS_THERMAL_DATA)
>>>> extern struct exynos_tmu_platform_data const exynos4210_default_tmu_data;
>>>> #define EXYNOS4210_TMU_DRV_DATA (&exynos4210_default_tmu_data)
>>>>
>>>
>>>
>>
>>
>
>
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