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From: Stanimir Varbanov <stanimir.varbanov@linaro.org>
To: Mauro Carvalho Chehab <mchehab@kernel.org>,
	Hans Verkuil <hverkuil@xs4all.nl>
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org,
	Vikash Garodia <vgarodia@codeaurora.org>,
	Tomasz Figa <tfiga@chromium.org>,
	Alexandre Courbot <acourbot@chromium.org>,
	Stanimir Varbanov <stanimir.varbanov@linaro.org>
Subject: [PATCH v5 11/27] venus: core,helpers: add two more clocks found in Venus 4xx
Date: Thu,  5 Jul 2018 16:03:45 +0300	[thread overview]
Message-ID: <20180705130401.24315-12-stanimir.varbanov@linaro.org> (raw)
In-Reply-To: <20180705130401.24315-1-stanimir.varbanov@linaro.org>

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>
---
 drivers/media/platform/qcom/venus/core.h    |  4 +++
 drivers/media/platform/qcom/venus/helpers.c | 51 +++++++++++++++++++++++++++++
 drivers/media/platform/qcom/venus/helpers.h |  2 ++
 drivers/media/platform/qcom/venus/vdec.c    | 44 ++++++++++++++++++++-----
 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 261a51adeef2..d22969d2758a 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -1081,12 +1081,18 @@ 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();
@@ -1131,15 +1137,21 @@ 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)
@@ -1147,13 +1159,29 @@ 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 947001170a77..596539d433c9 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -1225,12 +1225,18 @@ 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();
@@ -1275,15 +1281,21 @@ 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)
@@ -1291,13 +1303,29 @@ 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;
 }
 
-- 
2.14.1


  parent reply	other threads:[~2018-07-05 13:05 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-05 13:03 [PATCH v5 00/27] Venus updates Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 01/27] venus: hfi_msgs: correct pointer increment Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 02/27] venus: hfi: preparation to support venus 4xx Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 03/27] venus: hfi: update sequence event to handle more properties Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 04/27] venus: hfi_cmds: add set_properties for 4xx version Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 05/27] venus: hfi: support session continue " Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 06/27] venus: hfi: handle buffer output2 type as well Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 07/27] venus: hfi_venus: add halt AXI support for Venus 4xx Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 08/27] venus: hfi_venus: fix suspend function for venus 3xx versions Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 09/27] venus: hfi_venus: move set of default properties to core init Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 10/27] venus: hfi_venus: add suspend functionality for Venus 4xx Stanimir Varbanov
2018-07-05 13:03 ` Stanimir Varbanov [this message]
2018-07-05 13:03 ` [PATCH v5 12/27] venus: hfi_parser: add common capability parser Stanimir Varbanov
2018-07-06 11:21   ` Hans Verkuil
2018-07-06 12:19     ` Stanimir Varbanov
2018-07-06 12:27       ` Hans Verkuil
2018-07-06 12:47   ` [PATCH v6 " Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 13/27] venus: helpers: rename a helper function and use buffer mode from caps Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 14/27] venus: helpers: add a helper function to set dynamic buffer mode Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 15/27] venus: helpers: add helper function to set actual buffer size Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 16/27] venus: core: delete not used buffer mode flags Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 17/27] venus: helpers: add buffer type argument to a helper Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 18/27] venus: helpers: add a new helper to set raw format Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 19/27] venus: helpers,vdec,venc: add helpers to set work mode and core usage Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 20/27] venus: helpers: extend set_num_bufs helper with one more argument Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 21/27] venus: helpers: add a helper to return opb buffer sizes Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 22/27] venus: vdec: get required input buffers as well Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 23/27] venus: vdec: a new function for output configuration Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 24/27] venus: helpers: move frame size calculations on common place Stanimir Varbanov
2018-07-05 13:03 ` [PATCH v5 25/27] venus: implementing multi-stream support Stanimir Varbanov
2018-07-05 13:04 ` [PATCH v5 26/27] venus: core: add sdm845 DT compatible and resource data Stanimir Varbanov
2018-07-05 13:04 ` [PATCH v5 27/27] venus: add HEVC codec support Stanimir Varbanov
2018-07-05 14:07 ` [PATCH v5 00/27] Venus updates Tomasz Figa
2018-07-05 14:08   ` Hans Verkuil
2018-07-05 14:51     ` Stanimir Varbanov
2018-07-05 15:00       ` Alexandre Courbot
2018-07-06  3:55         ` Alexandre Courbot
2018-07-06  7:11           ` Stanimir Varbanov

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