[9810] thermal: samsung: skip CP cold temp margin during suspend

skip CP cold temp margin during suspend when CP is on data call.

Change-Id: I94fa4c20478a191123dbeed13c4d70aae85c65ce
Signed-off-by: Eunseok Choi <es10.choi@samsung.com>

diff --git a/drivers/thermal/samsung/exynos_acpm_tmu.c b/drivers/thermal/samsung/exynos_acpm_tmu.c
index e03707a5985893f21b75341ca458d4550f36fe9b..df62b800eea54a61ead5dd6411eb885e7e4039a7 100644 (file)
--- a/drivers/thermal/samsung/exynos_acpm_tmu.c
+++ b/drivers/thermal/samsung/exynos_acpm_tmu.c
@@ -155,7 +155,7 @@ int exynos_acpm_tmu_set_read_temp(int tz, int *temp, int *stat)
 /*
  * TMU_IPC_AP_SUSPEND
  */
-int exynos_acpm_tmu_set_suspend(void)
+int exynos_acpm_tmu_set_suspend(int flag)
 {
        struct ipc_config config;
        union tmu_ipc_message message;
@@ -165,6 +165,7 @@ int exynos_acpm_tmu_set_suspend(void)
        memset(&message, 0, sizeof(message));
 
        message.req.type = TMU_IPC_AP_SUSPEND;
+       message.req.rsvd = flag;
 
        config.cmd = message.data;
        config.response = true;
@@ -263,6 +264,9 @@ int exynos_acpm_tmu_set_resume(void)
                                message.data[3]);
        }
 
+       pr_info("%s: acpm irq %d cold cnt %d stat %d\n",
+                       __func__, message.resp.rsvd2, message.resp.rsvd, message.resp.stat);
+
        return 0;
 }
 

diff --git a/drivers/thermal/samsung/exynos_acpm_tmu.h b/drivers/thermal/samsung/exynos_acpm_tmu.h
index 99607087c150eebc4807ca7b84641a6d69241703..8d56742d3de748274909506610e0f853dd0a20ee 100644 (file)
--- a/drivers/thermal/samsung/exynos_acpm_tmu.h
+++ b/drivers/thermal/samsung/exynos_acpm_tmu.h
@@ -109,7 +109,7 @@ struct acpm_tmu_cap {
 
 int exynos_acpm_tmu_set_init(struct acpm_tmu_cap *cap);
 int exynos_acpm_tmu_set_read_temp(int tz, int *temp, int *stat);
-int exynos_acpm_tmu_set_suspend(void);
+int exynos_acpm_tmu_set_suspend(int flag);
 int exynos_acpm_tmu_set_cp_call(void);
 int exynos_acpm_tmu_set_resume(void);
 int exynos_acpm_tmu_ipc_dump(int no, unsigned int dump[]);

diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index 1664042f4cb7371f087cfcf2a6bd4bf6aa64a625..a5d8cdae9e0cf67826db2c1b7990302492bef3c4 100644 (file)
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -58,6 +58,9 @@
 #include "exynos_acpm_tmu.h"
 #include "soc/samsung/exynos-pmu.h"
 #endif
+#ifdef CONFIG_SOC_EXYNOS9810
+#include "linux/mcu_ipc.h"
+#endif
 
 /* Exynos generic registers */
 #define EXYNOS_TMU_REG_TRIMINFO7_0(p)  (((p) - 0) * 4)
@@ -192,8 +195,28 @@ static bool is_aud_on(void)
 
        exynos_pmu_read(PMUREG_AUD_STATUS, &val);
 
+       pr_info("%s AUD_STATUS %d\n", __func__, val);
+
        return ((val & 0xf) == 0xf);
 }
+
+#ifdef CONFIG_SOC_EXYNOS9810
+#define CP_MBOX_NUM            3
+#define CP_MBOX_MASK           1
+#define CP_MBOX_SHIFT          25
+static bool is_cp_net_conn(void)
+{
+       unsigned int val;
+
+       val = mbox_extract_value(MCU_CP, CP_MBOX_NUM, CP_MBOX_MASK, CP_MBOX_SHIFT);
+
+       pr_info("%s CP mobx value %d\n", __func__, val);
+
+       return !!val;
+}
+#else
+#define is_cp_net_conn()       false
+#endif
 #else
 static bool suspended;
 static DEFINE_MUTEX (thermal_suspend_lock);
@@ -1540,6 +1563,7 @@ static int exynos_tmu_suspend(struct device *dev)
 #ifdef CONFIG_EXYNOS_ACPM_THERMAL
        struct platform_device *pdev = to_platform_device(dev);
        struct exynos_tmu_data *data = platform_get_drvdata(pdev);
+       int cp_state;
 
        suspended_count++;
        disable_irq(data->irq);
@@ -1548,13 +1572,14 @@ static int exynos_tmu_suspend(struct device *dev)
        if (cp_call_mode) {
                if (suspended_count == num_of_devices) {
                        exynos_acpm_tmu_set_cp_call();
-                       pr_info("%s: TMU suspend w/ AUD-on complete\n", __func__);
+                       pr_info("%s: TMU suspend w/ AUD-on\n", __func__);
                }
        } else {
                exynos_tmu_control(pdev, false);
                if (suspended_count == num_of_devices) {
-                       exynos_acpm_tmu_set_suspend();
-                       pr_info("%s: TMU suspend complete\n", __func__);
+                       cp_state = is_cp_net_conn();
+                       exynos_acpm_tmu_set_suspend(cp_state);
+                       pr_info("%s: TMU suspend w/ cp_state %d\n", __func__, cp_state);
                }
        }
 #else
@@ -1581,6 +1606,9 @@ static int exynos_tmu_resume(struct device *dev)
 
        exynos_acpm_tmu_set_read_temp(data->tzd->id, &temp, &stat);
 
+       pr_info("%s: thermal zone %d temp %d stat %d\n",
+                       __func__, data->tzd->id, temp, stat);
+
        enable_irq(data->irq);
        suspended_count--;