exynos_tmu.c (2b2426a72702b04fffe359bfbabeec4a4e41d9c7) exynos_tmu.c (b43e3cfe232ab01f7cf1f60179a1d005f62d6cc0)
1/*
2 * exynos_tmu.c - Samsung EXYNOS TMU (Thermal Management Unit)
3 *
4 * Copyright (C) 2014 Samsung Electronics
5 * Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
6 * Lukasz Majewski <l.majewski@samsung.com>
7 *
8 * Copyright (C) 2011 Samsung Electronics

--- 202 unchanged lines hidden (view full) ---

211 u8 temp, u8 hyst);
212 void (*tmu_initialize)(struct platform_device *pdev);
213 void (*tmu_control)(struct platform_device *pdev, bool on);
214 int (*tmu_read)(struct exynos_tmu_data *data);
215 void (*tmu_set_emulation)(struct exynos_tmu_data *data, int temp);
216 void (*tmu_clear_irqs)(struct exynos_tmu_data *data);
217};
218
1/*
2 * exynos_tmu.c - Samsung EXYNOS TMU (Thermal Management Unit)
3 *
4 * Copyright (C) 2014 Samsung Electronics
5 * Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
6 * Lukasz Majewski <l.majewski@samsung.com>
7 *
8 * Copyright (C) 2011 Samsung Electronics

--- 202 unchanged lines hidden (view full) ---

211 u8 temp, u8 hyst);
212 void (*tmu_initialize)(struct platform_device *pdev);
213 void (*tmu_control)(struct platform_device *pdev, bool on);
214 int (*tmu_read)(struct exynos_tmu_data *data);
215 void (*tmu_set_emulation)(struct exynos_tmu_data *data, int temp);
216 void (*tmu_clear_irqs)(struct exynos_tmu_data *data);
217};
218
219static void exynos_report_trigger(struct exynos_tmu_data *p)
220{
221 char data[10], *envp[] = { data, NULL };
222 struct thermal_zone_device *tz = p->tzd;
223 int temp;
224 unsigned int i;
225
226 if (!tz) {
227 pr_err("No thermal zone device defined\n");
228 return;
229 }
230
231 thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
232
233 mutex_lock(&tz->lock);
234 /* Find the level for which trip happened */
235 for (i = 0; i < of_thermal_get_ntrips(tz); i++) {
236 tz->ops->get_trip_temp(tz, i, &temp);
237 if (tz->last_temperature < temp)
238 break;
239 }
240
241 snprintf(data, sizeof(data), "%u", i);
242 kobject_uevent_env(&tz->device.kobj, KOBJ_CHANGE, envp);
243 mutex_unlock(&tz->lock);
244}
245
246/*
247 * TMU treats temperature as a mapped temperature code.
248 * The temperature is converted differently depending on the calibration type.
249 */
250static int temp_to_code(struct exynos_tmu_data *data, u8 temp)
251{
252 if (data->cal_type == TYPE_ONE_POINT_TRIMMING)
253 return temp + data->temp_error1 - EXYNOS_FIRST_POINT_TRIM;

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810 struct exynos_tmu_data *data = container_of(work,
811 struct exynos_tmu_data, irq_work);
812
813 if (!IS_ERR(data->clk_sec))
814 clk_enable(data->clk_sec);
815 if (!IS_ERR(data->clk_sec))
816 clk_disable(data->clk_sec);
817
219/*
220 * TMU treats temperature as a mapped temperature code.
221 * The temperature is converted differently depending on the calibration type.
222 */
223static int temp_to_code(struct exynos_tmu_data *data, u8 temp)
224{
225 if (data->cal_type == TYPE_ONE_POINT_TRIMMING)
226 return temp + data->temp_error1 - EXYNOS_FIRST_POINT_TRIM;

--- 556 unchanged lines hidden (view full) ---

783 struct exynos_tmu_data *data = container_of(work,
784 struct exynos_tmu_data, irq_work);
785
786 if (!IS_ERR(data->clk_sec))
787 clk_enable(data->clk_sec);
788 if (!IS_ERR(data->clk_sec))
789 clk_disable(data->clk_sec);
790
818 exynos_report_trigger(data);
791 thermal_zone_device_update(data->tzd, THERMAL_EVENT_UNSPECIFIED);
792
819 mutex_lock(&data->lock);
820 clk_enable(data->clk);
821
822 /* TODO: take action based on particular interrupt */
823 data->tmu_clear_irqs(data);
824
825 clk_disable(data->clk);
826 mutex_unlock(&data->lock);

--- 402 unchanged lines hidden --- 		793 mutex_lock(&data->lock);
794 clk_enable(data->clk);
795
796 /* TODO: take action based on particular interrupt */
797 data->tmu_clear_irqs(data);
798
799 clk_disable(data->clk);
800 mutex_unlock(&data->lock);

--- 402 unchanged lines hidden ---