@@ -13,6 +13,7 @@
*
*/
#include <linux/clk.h>
+#include <linux/iopoll.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/pm_runtime.h>
@@ -24,6 +25,7 @@
#include "core.h"
#include "helpers.h"
#include "hfi_helper.h"
+#include "hfi_venus_io.h"
struct intbuf {
struct list_head list;
@@ -781,3 +783,52 @@ void venus_helper_init_instance(struct venus_inst *inst)
}
}
EXPORT_SYMBOL_GPL(venus_helper_init_instance);
+
+int venus_helper_power_enable(struct venus_core *core, u32 session_type,
+ bool enable)
+{
+ void __iomem *ctrl, *stat;
+ u32 val;
+ int ret;
+
+ if (!IS_V3(core) && !IS_V4(core))
+ return -EINVAL;
+
+ if (IS_V3(core)) {
+ if (session_type == VIDC_SESSION_TYPE_DEC)
+ ctrl = core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL;
+ else
+ ctrl = core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL;
+ if (enable)
+ writel(0, ctrl);
+ else
+ writel(1, ctrl);
+
+ return 0;
+ }
+
+ if (session_type == VIDC_SESSION_TYPE_DEC) {
+ ctrl = core->base + WRAPPER_VCODEC0_MMCC_POWER_CONTROL;
+ stat = core->base + WRAPPER_VCODEC0_MMCC_POWER_STATUS;
+ } else {
+ ctrl = core->base + WRAPPER_VCODEC1_MMCC_POWER_CONTROL;
+ stat = core->base + WRAPPER_VCODEC1_MMCC_POWER_STATUS;
+ }
+
+ if (enable) {
+ writel(0, ctrl);
+
+ ret = readl_poll_timeout(stat, val, val & BIT(1), 1, 100);
+ if (ret)
+ return ret;
+ } else {
+ writel(1, ctrl);
+
+ ret = readl_poll_timeout(stat, val, !(val & BIT(1)), 1, 100);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(venus_helper_power_enable);
@@ -43,4 +43,6 @@ int venus_helper_set_color_format(struct venus_inst *inst, u32 fmt);
void venus_helper_acquire_buf_ref(struct vb2_v4l2_buffer *vbuf);
void venus_helper_release_buf_ref(struct venus_inst *inst, unsigned int idx);
void venus_helper_init_instance(struct venus_inst *inst);
+int venus_helper_power_enable(struct venus_core *core, u32 session_type,
+ bool enable);
#endif
@@ -1131,26 +1131,21 @@ static int vdec_remove(struct platform_device *pdev)
static __maybe_unused int vdec_runtime_suspend(struct device *dev)
{
struct venus_core *core = dev_get_drvdata(dev);
+ int ret;
if (IS_V1(core))
return 0;
- if (IS_V3(core))
- writel(0, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL);
- else if (IS_V4(core))
- writel(0, core->base + WRAPPER_VCODEC0_MMCC_POWER_CONTROL);
+ ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, true);
if (IS_V4(core))
clk_disable_unprepare(core->core0_bus_clk);
clk_disable_unprepare(core->core0_clk);
- if (IS_V3(core))
- writel(1, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL);
- else if (IS_V4(core))
- writel(1, core->base + WRAPPER_VCODEC0_MMCC_POWER_CONTROL);
+ ret |= venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, false);
- return 0;
+ return ret;
}
static __maybe_unused int vdec_runtime_resume(struct device *dev)
@@ -1161,20 +1156,14 @@ static __maybe_unused int vdec_runtime_resume(struct device *dev)
if (IS_V1(core))
return 0;
- if (IS_V3(core))
- writel(0, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL);
- else if (IS_V4(core))
- writel(0, core->base + WRAPPER_VCODEC0_MMCC_POWER_CONTROL);
+ ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, true);
- ret = clk_prepare_enable(core->core0_clk);
+ ret |= clk_prepare_enable(core->core0_clk);
if (IS_V4(core))
ret |= clk_prepare_enable(core->core0_bus_clk);
- if (IS_V3(core))
- writel(1, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL);
- else if (IS_V4(core))
- writel(1, core->base + WRAPPER_VCODEC0_MMCC_POWER_CONTROL);
+ ret |= venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, false);
return ret;
}
@@ -1267,26 +1267,21 @@ static int venc_remove(struct platform_device *pdev)
static __maybe_unused int venc_runtime_suspend(struct device *dev)
{
struct venus_core *core = dev_get_drvdata(dev);
+ int ret;
if (IS_V1(core))
return 0;
- if (IS_V3(core))
- writel(0, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL);
- else if (IS_V4(core))
- writel(0, core->base + WRAPPER_VCODEC1_MMCC_POWER_CONTROL);
+ ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
if (IS_V4(core))
clk_disable_unprepare(core->core1_bus_clk);
clk_disable_unprepare(core->core1_clk);
- if (IS_V3(core))
- writel(1, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL);
- else if (IS_V4(core))
- writel(1, core->base + WRAPPER_VCODEC1_MMCC_POWER_CONTROL);
+ ret |= venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
- return 0;
+ return ret;
}
static __maybe_unused int venc_runtime_resume(struct device *dev)
@@ -1297,20 +1292,14 @@ static __maybe_unused int venc_runtime_resume(struct device *dev)
if (IS_V1(core))
return 0;
- if (IS_V3(core))
- writel(0, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL);
- else if (IS_V4(core))
- writel(0, core->base + WRAPPER_VCODEC1_MMCC_POWER_CONTROL);
+ ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
- ret = clk_prepare_enable(core->core1_clk);
+ ret |= clk_prepare_enable(core->core1_clk);
if (IS_V4(core))
ret |= clk_prepare_enable(core->core1_bus_clk);
- if (IS_V3(core))
- writel(1, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL);
- else if (IS_V4(core))
- writel(1, core->base + WRAPPER_VCODEC1_MMCC_POWER_CONTROL);
+ ret |= venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
return ret;
}
Make common function which will enable power when enabling/disabling clocks and also covers Venus 3xx/4xx versions. Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org> --- drivers/media/platform/qcom/venus/helpers.c | 51 +++++++++++++++++++++++++++++ drivers/media/platform/qcom/venus/helpers.h | 2 ++ drivers/media/platform/qcom/venus/vdec.c | 25 ++++---------- drivers/media/platform/qcom/venus/venc.c | 25 ++++---------- 4 files changed, 67 insertions(+), 36 deletions(-) -- 2.14.1 -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html