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From: Vikash Garodia <vgarodia@codeaurora.org>
To: stanimir.varbanov@linaro.org, hverkuil@xs4all.nl,
	mchehab@kernel.org, robh@kernel.org, mark.rutland@arm.com,
	andy.gross@linaro.org, arnd@arndb.de, bjorn.andersson@linaro.org
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org,
	devicetree@vger.kernel.org, acourbot@chromium.org,
	vgarodia@codeaurora.org
Subject: [PATCH v8 2/5] venus: firmware: move load firmware in a separate function
Date: Wed, 19 Sep 2018 03:29:10 +0530	[thread overview]
Message-ID: <1537307954-9729-3-git-send-email-vgarodia@codeaurora.org> (raw)
In-Reply-To: <1537307954-9729-1-git-send-email-vgarodia@codeaurora.org>

Separate firmware loading part into a new function.

Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>
---
 drivers/media/platform/qcom/venus/core.c     |  4 +-
 drivers/media/platform/qcom/venus/firmware.c | 55 ++++++++++++++++++----------
 drivers/media/platform/qcom/venus/firmware.h |  2 +-
 3 files changed, 38 insertions(+), 23 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
index bb6add9..75b9785 100644
--- a/drivers/media/platform/qcom/venus/core.c
+++ b/drivers/media/platform/qcom/venus/core.c
@@ -84,7 +84,7 @@ static void venus_sys_error_handler(struct work_struct *work)
 
 	pm_runtime_get_sync(core->dev);
 
-	ret |= venus_boot(core->dev, core->res->fwname);
+	ret |= venus_boot(core);
 
 	ret |= hfi_core_resume(core, true);
 
@@ -284,7 +284,7 @@ static int venus_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err_runtime_disable;
 
-	ret = venus_boot(dev, core->res->fwname);
+	ret = venus_boot(core);
 	if (ret)
 		goto err_runtime_disable;
 
diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c
index f2ae2f0..16faba6 100644
--- a/drivers/media/platform/qcom/venus/firmware.c
+++ b/drivers/media/platform/qcom/venus/firmware.c
@@ -60,20 +60,18 @@ int venus_set_hw_state(struct venus_core *core, bool resume)
 	return 0;
 }
 
-int venus_boot(struct device *dev, const char *fwname)
+static int venus_load_fw(struct venus_core *core, const char *fwname,
+			 phys_addr_t *mem_phys, size_t *mem_size)
 {
 	const struct firmware *mdt;
 	struct device_node *node;
-	phys_addr_t mem_phys;
+	struct device *dev;
 	struct resource r;
 	ssize_t fw_size;
-	size_t mem_size;
 	void *mem_va;
 	int ret;
 
-	if (!IS_ENABLED(CONFIG_QCOM_MDT_LOADER) || !qcom_scm_is_available())
-		return -EPROBE_DEFER;
-
+	dev = core->dev;
 	node = of_parse_phandle(dev->of_node, "memory-region", 0);
 	if (!node) {
 		dev_err(dev, "no memory-region specified\n");
@@ -84,16 +82,16 @@ int venus_boot(struct device *dev, const char *fwname)
 	if (ret)
 		return ret;
 
-	mem_phys = r.start;
-	mem_size = resource_size(&r);
+	*mem_phys = r.start;
+	*mem_size = resource_size(&r);
 
-	if (mem_size < VENUS_FW_MEM_SIZE)
+	if (*mem_size < VENUS_FW_MEM_SIZE)
 		return -EINVAL;
 
-	mem_va = memremap(r.start, mem_size, MEMREMAP_WC);
+	mem_va = memremap(r.start, *mem_size, MEMREMAP_WC);
 	if (!mem_va) {
 		dev_err(dev, "unable to map memory region: %pa+%zx\n",
-			&r.start, mem_size);
+			&r.start, *mem_size);
 		return -ENOMEM;
 	}
 
@@ -108,23 +106,40 @@ int venus_boot(struct device *dev, const char *fwname)
 		goto err_unmap;
 	}
 
-	ret = qcom_mdt_load(dev, mdt, fwname, VENUS_PAS_ID, mem_va, mem_phys,
-			    mem_size, NULL);
+	if (core->no_tz)
+		ret = qcom_mdt_load_no_init(dev, mdt, fwname, VENUS_PAS_ID,
+					    mem_va, *mem_phys, *mem_size, NULL);
+	else
+		ret = qcom_mdt_load(dev, mdt, fwname, VENUS_PAS_ID,
+				    mem_va, *mem_phys, *mem_size, NULL);
 
 	release_firmware(mdt);
 
-	if (ret)
-		goto err_unmap;
-
-	ret = qcom_scm_pas_auth_and_reset(VENUS_PAS_ID);
-	if (ret)
-		goto err_unmap;
-
 err_unmap:
 	memunmap(mem_va);
 	return ret;
 }
 
+int venus_boot(struct venus_core *core)
+{
+	struct device *dev = core->dev;
+	phys_addr_t mem_phys;
+	size_t mem_size;
+	int ret;
+
+	if (!IS_ENABLED(CONFIG_QCOM_MDT_LOADER) ||
+	    (!core->no_tz && !qcom_scm_is_available()))
+		return -EPROBE_DEFER;
+
+	ret = venus_load_fw(core, core->res->fwname, &mem_phys, &mem_size);
+	if (ret) {
+		dev_err(dev, "fail to load video firmware\n");
+		return -EINVAL;
+	}
+
+	return qcom_scm_pas_auth_and_reset(VENUS_PAS_ID);
+}
+
 int venus_shutdown(struct device *dev)
 {
 	return qcom_scm_pas_shutdown(VENUS_PAS_ID);
diff --git a/drivers/media/platform/qcom/venus/firmware.h b/drivers/media/platform/qcom/venus/firmware.h
index 397570c..1343747 100644
--- a/drivers/media/platform/qcom/venus/firmware.h
+++ b/drivers/media/platform/qcom/venus/firmware.h
@@ -16,7 +16,7 @@
 
 struct device;
 
-int venus_boot(struct device *dev, const char *fwname);
+int venus_boot(struct venus_core *core);
 int venus_shutdown(struct device *dev);
 int venus_set_hw_state(struct venus_core *core, bool suspend);
 
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project


  parent reply	other threads:[~2018-09-18 21:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-18 21:59 [PATCH v8 0/5] Venus updates - PIL Vikash Garodia
2018-09-18 21:59 ` [PATCH v8 1/5] venus: firmware: add routine to reset ARM9 Vikash Garodia
2018-09-18 21:59 ` Vikash Garodia [this message]
2018-09-18 21:59 ` [PATCH v8 3/5] venus: firmware: register separate platform_device for firmware loader Vikash Garodia
2018-09-18 21:59 ` [PATCH v8 4/5] venus: firmware: add no TZ boot and shutdown routine Vikash Garodia
2018-09-18 21:59 ` [PATCH v8 5/5] dt-bindings: media: Document bindings for venus firmware device Vikash Garodia
2018-09-18 23:45 ` [PATCH v8 0/5] Venus updates - PIL Vikash Garodia
2018-09-19  7:38   ` Alexandre Courbot

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