diff options
author | Stanimir Varbanov <stanimir.varbanov@linaro.org> | 2018-07-05 09:03:45 -0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-07-25 08:47:01 -0400 |
commit | aa3a8414ccea5b9412419db11f5d76ae9a4997a4 (patch) | |
tree | da5bb877f611bf42bbec7750d86ac9f54607cb54 /drivers/media/platform | |
parent | 17cd3d1d2e5249c58510b0c8689c45cacc201480 (diff) |
media: venus: core, helpers: add two more clocks found in Venus 4xx
Add two more clocks for Venus 4xx in core structure and create
a new power enable function to handle it for 3xx/4xx versions.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/platform')
-rw-r--r-- | drivers/media/platform/qcom/venus/core.h | 4 | ||||
-rw-r--r-- | drivers/media/platform/qcom/venus/helpers.c | 51 | ||||
-rw-r--r-- | drivers/media/platform/qcom/venus/helpers.h | 2 | ||||
-rw-r--r-- | drivers/media/platform/qcom/venus/vdec.c | 44 | ||||
-rw-r--r-- | drivers/media/platform/qcom/venus/venc.c | 44 |
5 files changed, 129 insertions, 16 deletions
diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h index 8d3e150800c9..2bf8839784fa 100644 --- a/drivers/media/platform/qcom/venus/core.h +++ b/drivers/media/platform/qcom/venus/core.h @@ -65,6 +65,8 @@ struct venus_format { * @clks: an array of struct clk pointers * @core0_clk: a struct clk pointer for core0 * @core1_clk: a struct clk pointer for core1 + * @core0_bus_clk: a struct clk pointer for core0 bus clock + * @core1_bus_clk: a struct clk pointer for core1 bus clock * @vdev_dec: a reference to video device structure for decoder instances * @vdev_enc: a reference to video device structure for encoder instances * @v4l2_dev: a holder for v4l2 device structure @@ -94,6 +96,8 @@ struct venus_core { struct clk *clks[VIDC_CLKS_NUM_MAX]; struct clk *core0_clk; struct clk *core1_clk; + struct clk *core0_bus_clk; + struct clk *core1_bus_clk; struct video_device *vdev_dec; struct video_device *vdev_enc; struct v4l2_device v4l2_dev; diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c index a08ecd263e73..c8c4a4be78e3 100644 --- a/drivers/media/platform/qcom/venus/helpers.c +++ b/drivers/media/platform/qcom/venus/helpers.c @@ -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; @@ -786,3 +788,52 @@ 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 0; + + 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); diff --git a/drivers/media/platform/qcom/venus/helpers.h b/drivers/media/platform/qcom/venus/helpers.h index 971392be5df5..0e64aa95624a 100644 --- a/drivers/media/platform/qcom/venus/helpers.h +++ b/drivers/media/platform/qcom/venus/helpers.h @@ -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 diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index 6da0c4e832e0..0529976b4069 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -1079,12 +1079,18 @@ static int vdec_probe(struct platform_device *pdev) if (!core) return -EPROBE_DEFER; - if (core->res->hfi_version == HFI_VERSION_3XX) { + if (IS_V3(core) || IS_V4(core)) { core->core0_clk = devm_clk_get(dev, "core"); if (IS_ERR(core->core0_clk)) return PTR_ERR(core->core0_clk); } + if (IS_V4(core)) { + core->core0_bus_clk = devm_clk_get(dev, "bus"); + if (IS_ERR(core->core0_bus_clk)) + return PTR_ERR(core->core0_bus_clk); + } + platform_set_drvdata(pdev, core); vdev = video_device_alloc(); @@ -1129,15 +1135,21 @@ 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 (core->res->hfi_version == HFI_VERSION_1XX) + if (IS_V1(core)) return 0; - writel(0, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL); + ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, true); + if (ret) + return ret; + + if (IS_V4(core)) + clk_disable_unprepare(core->core0_bus_clk); + clk_disable_unprepare(core->core0_clk); - writel(1, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL); - return 0; + return venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, false); } static __maybe_unused int vdec_runtime_resume(struct device *dev) @@ -1145,13 +1157,29 @@ static __maybe_unused int vdec_runtime_resume(struct device *dev) struct venus_core *core = dev_get_drvdata(dev); int ret; - if (core->res->hfi_version == HFI_VERSION_1XX) + if (IS_V1(core)) return 0; - writel(0, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL); + ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, true); + if (ret) + return ret; + ret = clk_prepare_enable(core->core0_clk); - writel(1, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL); + if (ret) + goto err_power_disable; + + if (IS_V4(core)) + ret = clk_prepare_enable(core->core0_bus_clk); + if (ret) + goto err_unprepare_core0; + + return venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, false); + +err_unprepare_core0: + clk_disable_unprepare(core->core0_clk); +err_power_disable: + venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, false); return ret; } diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c index 14bd95c52810..7c6be9d37d99 100644 --- a/drivers/media/platform/qcom/venus/venc.c +++ b/drivers/media/platform/qcom/venus/venc.c @@ -1223,12 +1223,18 @@ static int venc_probe(struct platform_device *pdev) if (!core) return -EPROBE_DEFER; - if (core->res->hfi_version == HFI_VERSION_3XX) { + if (IS_V3(core) || IS_V4(core)) { core->core1_clk = devm_clk_get(dev, "core"); if (IS_ERR(core->core1_clk)) return PTR_ERR(core->core1_clk); } + if (IS_V4(core)) { + core->core1_bus_clk = devm_clk_get(dev, "bus"); + if (IS_ERR(core->core1_bus_clk)) + return PTR_ERR(core->core1_bus_clk); + } + platform_set_drvdata(pdev, core); vdev = video_device_alloc(); @@ -1273,15 +1279,21 @@ 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 (core->res->hfi_version == HFI_VERSION_1XX) + if (IS_V1(core)) return 0; - writel(0, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL); + ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true); + if (ret) + return ret; + + if (IS_V4(core)) + clk_disable_unprepare(core->core1_bus_clk); + clk_disable_unprepare(core->core1_clk); - writel(1, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL); - return 0; + return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false); } static __maybe_unused int venc_runtime_resume(struct device *dev) @@ -1289,13 +1301,29 @@ static __maybe_unused int venc_runtime_resume(struct device *dev) struct venus_core *core = dev_get_drvdata(dev); int ret; - if (core->res->hfi_version == HFI_VERSION_1XX) + if (IS_V1(core)) return 0; - writel(0, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL); + ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true); + if (ret) + return ret; + ret = clk_prepare_enable(core->core1_clk); - writel(1, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL); + if (ret) + goto err_power_disable; + + if (IS_V4(core)) + ret = clk_prepare_enable(core->core1_bus_clk); + if (ret) + goto err_unprepare_core1; + + return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false); + +err_unprepare_core1: + clk_disable_unprepare(core->core1_clk); +err_power_disable: + venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false); return ret; } |