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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 07/27] venus: hfi_venus: add halt AXI support for Venus 4xx
Date: Thu,  5 Jul 2018 16:03:41 +0300	[thread overview]
Message-ID: <20180705130401.24315-8-stanimir.varbanov@linaro.org> (raw)
In-Reply-To: <20180705130401.24315-1-stanimir.varbanov@linaro.org>

Add AXI halt support for version 4xx by using venus wrapper
registers.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
---
 drivers/media/platform/qcom/venus/hfi_venus.c    | 18 ++++++++++++++++++
 drivers/media/platform/qcom/venus/hfi_venus_io.h |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c
index 734ce11b0ed0..784b3ad1a9f6 100644
--- a/drivers/media/platform/qcom/venus/hfi_venus.c
+++ b/drivers/media/platform/qcom/venus/hfi_venus.c
@@ -532,6 +532,24 @@ static int venus_halt_axi(struct venus_hfi_device *hdev)
 	u32 val;
 	int ret;
 
+	if (IS_V4(hdev->core)) {
+		val = venus_readl(hdev, WRAPPER_CPU_AXI_HALT);
+		val |= WRAPPER_CPU_AXI_HALT_HALT;
+		venus_writel(hdev, WRAPPER_CPU_AXI_HALT, val);
+
+		ret = readl_poll_timeout(base + WRAPPER_CPU_AXI_HALT_STATUS,
+					 val,
+					 val & WRAPPER_CPU_AXI_HALT_STATUS_IDLE,
+					 POLL_INTERVAL_US,
+					 VBIF_AXI_HALT_ACK_TIMEOUT_US);
+		if (ret) {
+			dev_err(dev, "AXI bus port halt timeout\n");
+			return ret;
+		}
+
+		return 0;
+	}
+
 	/* Halt AXI and AXI IMEM VBIF Access */
 	val = venus_readl(hdev, VBIF_AXI_HALT_CTRL0);
 	val |= VBIF_AXI_HALT_CTRL0_HALT_REQ;
diff --git a/drivers/media/platform/qcom/venus/hfi_venus_io.h b/drivers/media/platform/qcom/venus/hfi_venus_io.h
index d327b5cea334..c0b18de1e396 100644
--- a/drivers/media/platform/qcom/venus/hfi_venus_io.h
+++ b/drivers/media/platform/qcom/venus/hfi_venus_io.h
@@ -104,7 +104,9 @@
 
 #define WRAPPER_CPU_CLOCK_CONFIG		(WRAPPER_BASE + 0x2000)
 #define WRAPPER_CPU_AXI_HALT			(WRAPPER_BASE + 0x2008)
+#define WRAPPER_CPU_AXI_HALT_HALT		BIT(16)
 #define WRAPPER_CPU_AXI_HALT_STATUS		(WRAPPER_BASE + 0x200c)
+#define WRAPPER_CPU_AXI_HALT_STATUS_IDLE	BIT(24)
 
 #define WRAPPER_CPU_CGC_DIS			(WRAPPER_BASE + 0x2010)
 #define WRAPPER_CPU_STATUS			(WRAPPER_BASE + 0x2014)
-- 
2.14.1


  parent reply	other threads:[~2018-07-05 13:14 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 ` Stanimir Varbanov [this message]
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 ` [PATCH v5 11/27] venus: core,helpers: add two more clocks found in " Stanimir Varbanov
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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