summaryrefslogtreecommitdiffstats
path: root/drivers/devfreq
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/devfreq')
-rw-r--r--drivers/devfreq/exynos/exynos4_bus.c70
-rw-r--r--drivers/devfreq/exynos/exynos5_bus.c70
-rw-r--r--drivers/devfreq/exynos/exynos_ppmu.c60
-rw-r--r--drivers/devfreq/exynos/exynos_ppmu.h8
4 files changed, 72 insertions, 136 deletions
diff --git a/drivers/devfreq/exynos/exynos4_bus.c b/drivers/devfreq/exynos/exynos4_bus.c
index d99ef9e80517..d257f1fcbaa9 100644
--- a/drivers/devfreq/exynos/exynos4_bus.c
+++ b/drivers/devfreq/exynos/exynos4_bus.c
@@ -75,11 +75,6 @@ struct busfreq_opp_info {
unsigned long volt;
};
-struct busfreq_ppmu_data {
- struct exynos_ppmu *ppmu;
- int ppmu_end;
-};
-
struct busfreq_data {
enum exynos4_busf_type type;
struct device *dev;
@@ -515,49 +510,6 @@ static int exynos4x12_set_busclk(struct busfreq_data *data,
return 0;
}
-static void busfreq_mon_reset(struct busfreq_ppmu_data *ppmu_data)
-{
- unsigned int i;
-
- for (i = 0; i < ppmu_data->ppmu_end; i++) {
- void __iomem *ppmu_base = ppmu_data->ppmu[i].hw_base;
-
- /* Reset the performance and cycle counters */
- exynos_ppmu_reset(ppmu_base);
-
- /* Setup count registers to monitor read/write transactions */
- ppmu_data->ppmu[i].event[PPMU_PMNCNT3] = RDWR_DATA_COUNT;
- exynos_ppmu_setevent(ppmu_base, PPMU_PMNCNT3,
- ppmu_data->ppmu[i].event[PPMU_PMNCNT3]);
-
- exynos_ppmu_start(ppmu_base);
- }
-}
-
-static void exynos4_read_ppmu(struct busfreq_ppmu_data *ppmu_data)
-{
- int i, j;
-
- for (i = 0; i < ppmu_data->ppmu_end; i++) {
- void __iomem *ppmu_base = ppmu_data->ppmu[i].hw_base;
-
- exynos_ppmu_stop(ppmu_base);
-
- /* Update local data from PPMU */
- ppmu_data->ppmu[i].ccnt = __raw_readl(ppmu_base + PPMU_CCNT);
-
- for (j = PPMU_PMNCNT0; j < PPMU_PMNCNT_MAX; j++) {
- if (ppmu_data->ppmu[i].event[j] == 0)
- ppmu_data->ppmu[i].count[j] = 0;
- else
- ppmu_data->ppmu[i].count[j] =
- exynos_ppmu_read(ppmu_base, j);
- }
- }
-
- busfreq_mon_reset(ppmu_data);
-}
-
static int exynos4x12_get_intspec(unsigned long mifclk)
{
int i = 0;
@@ -681,24 +633,6 @@ out:
return err;
}
-static int exynos4_get_busier_ppmu(struct busfreq_ppmu_data *ppmu_data)
-{
- int i, j;
- int busy = 0;
- unsigned int temp = 0;
-
- for (i = 0; i < ppmu_data->ppmu_end; i++) {
- for (j = PPMU_PMNCNT0; j < PPMU_PMNCNT_MAX; j++) {
- if (ppmu_data->ppmu[i].count[j] > temp) {
- temp = ppmu_data->ppmu[i].count[j];
- busy = i;
- }
- }
- }
-
- return busy;
-}
-
static int exynos4_bus_get_dev_status(struct device *dev,
struct devfreq_dev_status *stat)
{
@@ -706,8 +640,8 @@ static int exynos4_bus_get_dev_status(struct device *dev,
struct busfreq_ppmu_data *ppmu_data = &data->ppmu_data;
int busier;
- exynos4_read_ppmu(ppmu_data);
- busier = exynos4_get_busier_ppmu(ppmu_data);
+ exynos_read_ppmu(ppmu_data);
+ busier = exynos_get_busier_ppmu(ppmu_data);
stat->current_frequency = data->curr_oppinfo.rate;
/* Number of cycles spent on memory access */
diff --git a/drivers/devfreq/exynos/exynos5_bus.c b/drivers/devfreq/exynos/exynos5_bus.c
index b8ab32addef6..ab54a69d09b2 100644
--- a/drivers/devfreq/exynos/exynos5_bus.c
+++ b/drivers/devfreq/exynos/exynos5_bus.c
@@ -46,11 +46,6 @@ enum exynos_ppmu_list {
PPMU_END,
};
-struct busfreq_ppmu_data {
- struct exynos_ppmu *ppmu;
- int ppmu_end;
-};
-
struct busfreq_data_int {
struct device *dev;
struct devfreq *devfreq;
@@ -80,49 +75,6 @@ static struct int_bus_opp_table exynos5_int_opp_table[] = {
{0, 0, 0},
};
-static void busfreq_mon_reset(struct busfreq_ppmu_data *ppmu_data)
-{
- unsigned int i;
-
- for (i = 0; i < ppmu_data->ppmu_end; i++) {
- void __iomem *ppmu_base = ppmu_data->ppmu[i].hw_base;
-
- /* Reset the performance and cycle counters */
- exynos_ppmu_reset(ppmu_base);
-
- /* Setup count registers to monitor read/write transactions */
- ppmu_data->ppmu[i].event[PPMU_PMNCNT3] = RDWR_DATA_COUNT;
- exynos_ppmu_setevent(ppmu_base, PPMU_PMNCNT3,
- ppmu_data->ppmu[i].event[PPMU_PMNCNT3]);
-
- exynos_ppmu_start(ppmu_base);
- }
-}
-
-static void exynos5_read_ppmu(struct busfreq_ppmu_data *ppmu_data)
-{
- int i, j;
-
- for (i = 0; i < ppmu_data->ppmu_end; i++) {
- void __iomem *ppmu_base = ppmu_data->ppmu[i].hw_base;
-
- exynos_ppmu_stop(ppmu_base);
-
- /* Update local data from PPMU */
- ppmu_data->ppmu[i].ccnt = __raw_readl(ppmu_base + PPMU_CCNT);
-
- for (j = PPMU_PMNCNT0; j < PPMU_PMNCNT_MAX; j++) {
- if (ppmu_data->ppmu[i].event[j] == 0)
- ppmu_data->ppmu[i].count[j] = 0;
- else
- ppmu_data->ppmu[i].count[j] =
- exynos_ppmu_read(ppmu_base, j);
- }
- }
-
- busfreq_mon_reset(ppmu_data);
-}
-
static int exynos5_int_setvolt(struct busfreq_data_int *data,
unsigned long volt)
{
@@ -190,24 +142,6 @@ out:
return err;
}
-static int exynos5_get_busier_dmc(struct busfreq_ppmu_data *ppmu_data)
-{
- int i, j;
- int busy = 0;
- unsigned int temp = 0;
-
- for (i = 0; i < ppmu_data->ppmu_end; i++) {
- for (j = PPMU_PMNCNT0; j < PPMU_PMNCNT_MAX; j++) {
- if (ppmu_data->ppmu[i].count[j] > temp) {
- temp = ppmu_data->ppmu[i].count[j];
- busy = i;
- }
- }
- }
-
- return busy;
-}
-
static int exynos5_int_get_dev_status(struct device *dev,
struct devfreq_dev_status *stat)
{
@@ -217,8 +151,8 @@ static int exynos5_int_get_dev_status(struct device *dev,
struct busfreq_ppmu_data *ppmu_data = &data->ppmu_data;
int busier_dmc;
- exynos5_read_ppmu(ppmu_data);
- busier_dmc = exynos5_get_busier_dmc(ppmu_data);
+ exynos_read_ppmu(ppmu_data);
+ busier_dmc = exynos_get_busier_ppmu(ppmu_data);
stat->current_frequency = data->curr_freq;
diff --git a/drivers/devfreq/exynos/exynos_ppmu.c b/drivers/devfreq/exynos/exynos_ppmu.c
index 85fc5ac1036a..75fcc5140ffb 100644
--- a/drivers/devfreq/exynos/exynos_ppmu.c
+++ b/drivers/devfreq/exynos/exynos_ppmu.c
@@ -54,3 +54,63 @@ unsigned int exynos_ppmu_read(void __iomem *ppmu_base, unsigned int ch)
return total;
}
+
+void busfreq_mon_reset(struct busfreq_ppmu_data *ppmu_data)
+{
+ unsigned int i;
+
+ for (i = 0; i < ppmu_data->ppmu_end; i++) {
+ void __iomem *ppmu_base = ppmu_data->ppmu[i].hw_base;
+
+ /* Reset the performance and cycle counters */
+ exynos_ppmu_reset(ppmu_base);
+
+ /* Setup count registers to monitor read/write transactions */
+ ppmu_data->ppmu[i].event[PPMU_PMNCNT3] = RDWR_DATA_COUNT;
+ exynos_ppmu_setevent(ppmu_base, PPMU_PMNCNT3,
+ ppmu_data->ppmu[i].event[PPMU_PMNCNT3]);
+
+ exynos_ppmu_start(ppmu_base);
+ }
+}
+
+void exynos_read_ppmu(struct busfreq_ppmu_data *ppmu_data)
+{
+ int i, j;
+
+ for (i = 0; i < ppmu_data->ppmu_end; i++) {
+ void __iomem *ppmu_base = ppmu_data->ppmu[i].hw_base;
+
+ exynos_ppmu_stop(ppmu_base);
+
+ /* Update local data from PPMU */
+ ppmu_data->ppmu[i].ccnt = __raw_readl(ppmu_base + PPMU_CCNT);
+
+ for (j = PPMU_PMNCNT0; j < PPMU_PMNCNT_MAX; j++) {
+ if (ppmu_data->ppmu[i].event[j] == 0)
+ ppmu_data->ppmu[i].count[j] = 0;
+ else
+ ppmu_data->ppmu[i].count[j] =
+ exynos_ppmu_read(ppmu_base, j);
+ }
+ }
+
+ busfreq_mon_reset(ppmu_data);
+}
+
+int exynos_get_busier_ppmu(struct busfreq_ppmu_data *ppmu_data)
+{
+ unsigned int count = 0;
+ int i, j, busy = 0;
+
+ for (i = 0; i < ppmu_data->ppmu_end; i++) {
+ for (j = PPMU_PMNCNT0; j < PPMU_PMNCNT_MAX; j++) {
+ if (ppmu_data->ppmu[i].count[j] > count) {
+ count = ppmu_data->ppmu[i].count[j];
+ busy = i;
+ }
+ }
+ }
+
+ return busy;
+}
diff --git a/drivers/devfreq/exynos/exynos_ppmu.h b/drivers/devfreq/exynos/exynos_ppmu.h
index 7dfb221eaccd..71f17ba3563c 100644
--- a/drivers/devfreq/exynos/exynos_ppmu.h
+++ b/drivers/devfreq/exynos/exynos_ppmu.h
@@ -69,10 +69,18 @@ struct exynos_ppmu {
bool count_overflow[PPMU_PMNCNT_MAX];
};
+struct busfreq_ppmu_data {
+ struct exynos_ppmu *ppmu;
+ int ppmu_end;
+};
+
void exynos_ppmu_reset(void __iomem *ppmu_base);
void exynos_ppmu_setevent(void __iomem *ppmu_base, unsigned int ch,
unsigned int evt);
void exynos_ppmu_start(void __iomem *ppmu_base);
void exynos_ppmu_stop(void __iomem *ppmu_base);
unsigned int exynos_ppmu_read(void __iomem *ppmu_base, unsigned int ch);
+void busfreq_mon_reset(struct busfreq_ppmu_data *ppmu_data);
+void exynos_read_ppmu(struct busfreq_ppmu_data *ppmu_data);
+int exynos_get_busier_ppmu(struct busfreq_ppmu_data *ppmu_data);
#endif /* __DEVFREQ_EXYNOS_PPMU_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 15:50:17 +0000