Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal into thermal-soc
Zhang Rui
commit
6c75a5d113
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@ -118,12 +118,12 @@ struct rockchip_tsadc_chip {
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void (*control)(void __iomem *reg, bool on);
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/* Per-sensor methods */
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int (*get_temp)(struct chip_tsadc_table table,
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int (*get_temp)(const struct chip_tsadc_table *table,
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int chn, void __iomem *reg, int *temp);
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void (*set_alarm_temp)(struct chip_tsadc_table table,
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int chn, void __iomem *reg, int temp);
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void (*set_tshut_temp)(struct chip_tsadc_table table,
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int chn, void __iomem *reg, int temp);
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int (*set_alarm_temp)(const struct chip_tsadc_table *table,
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int chn, void __iomem *reg, int temp);
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int (*set_tshut_temp)(const struct chip_tsadc_table *table,
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int chn, void __iomem *reg, int temp);
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void (*set_tshut_mode)(int chn, void __iomem *reg, enum tshut_mode m);
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/* Per-table methods */
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@ -317,6 +317,7 @@ static const struct tsadc_table rk3288_code_table[] = {
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{3452, 115000},
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{3437, 120000},
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{3421, 125000},
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{0, 125000},
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};
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static const struct tsadc_table rk3368_code_table[] = {
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@ -397,59 +398,80 @@ static const struct tsadc_table rk3399_code_table[] = {
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{TSADCV3_DATA_MASK, 125000},
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};
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static u32 rk_tsadcv2_temp_to_code(struct chip_tsadc_table table,
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static u32 rk_tsadcv2_temp_to_code(const struct chip_tsadc_table *table,
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int temp)
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{
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int high, low, mid;
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u32 error = 0;
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unsigned long num;
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unsigned int denom;
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u32 error = table->data_mask;
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low = 0;
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high = table.length - 1;
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high = (table->length - 1) - 1; /* ignore the last check for table */
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mid = (high + low) / 2;
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/* Return mask code data when the temp is over table range */
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if (temp < table.id[low].temp || temp > table.id[high].temp) {
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error = table.data_mask;
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if (temp < table->id[low].temp || temp > table->id[high].temp)
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goto exit;
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}
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while (low <= high) {
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if (temp == table.id[mid].temp)
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return table.id[mid].code;
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else if (temp < table.id[mid].temp)
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if (temp == table->id[mid].temp)
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return table->id[mid].code;
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else if (temp < table->id[mid].temp)
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high = mid - 1;
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else
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low = mid + 1;
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mid = (low + high) / 2;
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}
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/*
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* The conversion code granularity provided by the table. Let's
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* assume that the relationship between temperature and
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* analog value between 2 table entries is linear and interpolate
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* to produce less granular result.
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*/
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num = abs(table->id[mid + 1].code - table->id[mid].code);
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num *= temp - table->id[mid].temp;
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denom = table->id[mid + 1].temp - table->id[mid].temp;
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switch (table->mode) {
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case ADC_DECREMENT:
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return table->id[mid].code - (num / denom);
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case ADC_INCREMENT:
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return table->id[mid].code + (num / denom);
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default:
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pr_err("%s: unknown table mode: %d\n", __func__, table->mode);
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return error;
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}
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exit:
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pr_err("Invalid the conversion, error=%d\n", error);
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pr_err("%s: invalid temperature, temp=%d error=%d\n",
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__func__, temp, error);
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return error;
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}
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static int rk_tsadcv2_code_to_temp(struct chip_tsadc_table table, u32 code,
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int *temp)
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static int rk_tsadcv2_code_to_temp(const struct chip_tsadc_table *table,
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u32 code, int *temp)
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{
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unsigned int low = 1;
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unsigned int high = table.length - 1;
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unsigned int high = table->length - 1;
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unsigned int mid = (low + high) / 2;
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unsigned int num;
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unsigned long denom;
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WARN_ON(table.length < 2);
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WARN_ON(table->length < 2);
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switch (table.mode) {
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switch (table->mode) {
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case ADC_DECREMENT:
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code &= table.data_mask;
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if (code < table.id[high].code)
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code &= table->data_mask;
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if (code <= table->id[high].code)
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return -EAGAIN; /* Incorrect reading */
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while (low <= high) {
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if (code >= table.id[mid].code &&
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code < table.id[mid - 1].code)
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if (code >= table->id[mid].code &&
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code < table->id[mid - 1].code)
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break;
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else if (code < table.id[mid].code)
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else if (code < table->id[mid].code)
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low = mid + 1;
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else
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high = mid - 1;
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@ -458,15 +480,15 @@ static int rk_tsadcv2_code_to_temp(struct chip_tsadc_table table, u32 code,
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}
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break;
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case ADC_INCREMENT:
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code &= table.data_mask;
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if (code < table.id[low].code)
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code &= table->data_mask;
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if (code < table->id[low].code)
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return -EAGAIN; /* Incorrect reading */
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while (low <= high) {
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if (code <= table.id[mid].code &&
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code > table.id[mid - 1].code)
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if (code <= table->id[mid].code &&
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code > table->id[mid - 1].code)
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break;
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else if (code > table.id[mid].code)
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else if (code > table->id[mid].code)
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low = mid + 1;
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else
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high = mid - 1;
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@ -475,7 +497,8 @@ static int rk_tsadcv2_code_to_temp(struct chip_tsadc_table table, u32 code,
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}
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break;
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default:
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pr_err("Invalid the conversion table\n");
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pr_err("%s: unknown table mode: %d\n", __func__, table->mode);
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return -EINVAL;
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}
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/*
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@ -484,10 +507,10 @@ static int rk_tsadcv2_code_to_temp(struct chip_tsadc_table table, u32 code,
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* temperature between 2 table entries is linear and interpolate
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* to produce less granular result.
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*/
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num = table.id[mid].temp - table.id[mid - 1].temp;
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num *= abs(table.id[mid - 1].code - code);
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denom = abs(table.id[mid - 1].code - table.id[mid].code);
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*temp = table.id[mid - 1].temp + (num / denom);
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num = table->id[mid].temp - table->id[mid - 1].temp;
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num *= abs(table->id[mid - 1].code - code);
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denom = abs(table->id[mid - 1].code - table->id[mid].code);
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*temp = table->id[mid - 1].temp + (num / denom);
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return 0;
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}
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@ -638,7 +661,7 @@ static void rk_tsadcv3_control(void __iomem *regs, bool enable)
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writel_relaxed(val, regs + TSADCV2_AUTO_CON);
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}
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static int rk_tsadcv2_get_temp(struct chip_tsadc_table table,
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static int rk_tsadcv2_get_temp(const struct chip_tsadc_table *table,
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int chn, void __iomem *regs, int *temp)
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{
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u32 val;
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@ -648,39 +671,57 @@ static int rk_tsadcv2_get_temp(struct chip_tsadc_table table,
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return rk_tsadcv2_code_to_temp(table, val, temp);
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}
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static void rk_tsadcv2_alarm_temp(struct chip_tsadc_table table,
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int chn, void __iomem *regs, int temp)
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static int rk_tsadcv2_alarm_temp(const struct chip_tsadc_table *table,
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int chn, void __iomem *regs, int temp)
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{
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u32 alarm_value, int_en;
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u32 alarm_value;
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u32 int_en, int_clr;
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/*
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* In some cases, some sensors didn't need the trip points, the
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* set_trips will pass {-INT_MAX, INT_MAX} to trigger tsadc alarm
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* in the end, ignore this case and disable the high temperature
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* interrupt.
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*/
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if (temp == INT_MAX) {
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int_clr = readl_relaxed(regs + TSADCV2_INT_EN);
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int_clr &= ~TSADCV2_INT_SRC_EN(chn);
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writel_relaxed(int_clr, regs + TSADCV2_INT_EN);
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return 0;
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}
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/* Make sure the value is valid */
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alarm_value = rk_tsadcv2_temp_to_code(table, temp);
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if (alarm_value == table.data_mask)
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return;
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if (alarm_value == table->data_mask)
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return -ERANGE;
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writel_relaxed(alarm_value & table.data_mask,
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writel_relaxed(alarm_value & table->data_mask,
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regs + TSADCV2_COMP_INT(chn));
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int_en = readl_relaxed(regs + TSADCV2_INT_EN);
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int_en |= TSADCV2_INT_SRC_EN(chn);
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writel_relaxed(int_en, regs + TSADCV2_INT_EN);
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return 0;
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}
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static void rk_tsadcv2_tshut_temp(struct chip_tsadc_table table,
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int chn, void __iomem *regs, int temp)
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static int rk_tsadcv2_tshut_temp(const struct chip_tsadc_table *table,
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int chn, void __iomem *regs, int temp)
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{
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u32 tshut_value, val;
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/* Make sure the value is valid */
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tshut_value = rk_tsadcv2_temp_to_code(table, temp);
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if (tshut_value == table.data_mask)
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return;
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if (tshut_value == table->data_mask)
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return -ERANGE;
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writel_relaxed(tshut_value, regs + TSADCV2_COMP_SHUT(chn));
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/* TSHUT will be valid */
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val = readl_relaxed(regs + TSADCV2_AUTO_CON);
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writel_relaxed(val | TSADCV2_AUTO_SRC_EN(chn), regs + TSADCV2_AUTO_CON);
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return 0;
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}
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static void rk_tsadcv2_tshut_mode(int chn, void __iomem *regs,
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@ -883,10 +924,8 @@ static int rockchip_thermal_set_trips(void *_sensor, int low, int high)
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dev_dbg(&thermal->pdev->dev, "%s: sensor %d: low: %d, high %d\n",
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__func__, sensor->id, low, high);
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tsadc->set_alarm_temp(tsadc->table,
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sensor->id, thermal->regs, high);
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return 0;
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return tsadc->set_alarm_temp(&tsadc->table,
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sensor->id, thermal->regs, high);
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}
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static int rockchip_thermal_get_temp(void *_sensor, int *out_temp)
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@ -896,7 +935,7 @@ static int rockchip_thermal_get_temp(void *_sensor, int *out_temp)
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const struct rockchip_tsadc_chip *tsadc = sensor->thermal->chip;
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int retval;
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retval = tsadc->get_temp(tsadc->table,
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retval = tsadc->get_temp(&tsadc->table,
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sensor->id, thermal->regs, out_temp);
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dev_dbg(&thermal->pdev->dev, "sensor %d - temp: %d, retval: %d\n",
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sensor->id, *out_temp, retval);
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@ -982,8 +1021,12 @@ rockchip_thermal_register_sensor(struct platform_device *pdev,
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int error;
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tsadc->set_tshut_mode(id, thermal->regs, thermal->tshut_mode);
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tsadc->set_tshut_temp(tsadc->table, id, thermal->regs,
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error = tsadc->set_tshut_temp(&tsadc->table, id, thermal->regs,
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thermal->tshut_temp);
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if (error)
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dev_err(&pdev->dev, "%s: invalid tshut=%d, error=%d\n",
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__func__, thermal->tshut_temp, error);
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sensor->thermal = thermal;
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sensor->id = id;
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@ -1196,9 +1239,13 @@ static int __maybe_unused rockchip_thermal_resume(struct device *dev)
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thermal->chip->set_tshut_mode(id, thermal->regs,
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thermal->tshut_mode);
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thermal->chip->set_tshut_temp(thermal->chip->table,
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error = thermal->chip->set_tshut_temp(&thermal->chip->table,
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id, thermal->regs,
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thermal->tshut_temp);
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if (error)
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dev_err(&pdev->dev, "%s: invalid tshut=%d, error=%d\n",
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__func__, thermal->tshut_temp, error);
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}
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thermal->chip->control(thermal->regs, true);
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