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Message-ID: <20241120-qcom-video-iris-v6-6-a8cf6704e992@quicinc.com>
Date: Wed, 20 Nov 2024 20:15:56 +0530
From: Dikshita Agarwal <quic_dikshita@...cinc.com>
To: Vikash Garodia <quic_vgarodia@...cinc.com>,
Abhinav Kumar
<quic_abhinavk@...cinc.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
"Rob
Herring" <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
"Conor
Dooley" <conor+dt@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>
CC: Hans Verkuil <hverkuil@...all.nl>,
Sebastian Fricke
<sebastian.fricke@...labora.com>,
Bryan O'Donoghue
<bryan.odonoghue@...aro.org>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Neil Armstrong <neil.armstrong@...aro.org>,
Nicolas Dufresne
<nicolas@...fresne.ca>,
Uwe Kleine-König
<u.kleine-koenig@...libre.com>,
Jianhua Lu <lujianhua000@...il.com>, <linux-media@...r.kernel.org>,
<linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
"Dikshita
Agarwal" <quic_dikshita@...cinc.com>
Subject: [PATCH v6 06/28] media: iris: implement boot sequence of the
firmware
Set memory region to firmware and implement boot sequence.
Signed-off-by: Dikshita Agarwal <quic_dikshita@...cinc.com>
---
drivers/media/platform/qcom/iris/Makefile | 1 +
drivers/media/platform/qcom/iris/iris_core.c | 7 ++
.../platform/qcom/iris/iris_platform_common.h | 1 +
.../platform/qcom/iris/iris_platform_sm8550.c | 3 +
drivers/media/platform/qcom/iris/iris_vpu_common.c | 89 ++++++++++++++++++++++
drivers/media/platform/qcom/iris/iris_vpu_common.h | 13 ++++
6 files changed, 114 insertions(+)
diff --git a/drivers/media/platform/qcom/iris/Makefile b/drivers/media/platform/qcom/iris/Makefile
index 6906caa2c481..792f1d6ac8f3 100644
--- a/drivers/media/platform/qcom/iris/Makefile
+++ b/drivers/media/platform/qcom/iris/Makefile
@@ -6,5 +6,6 @@ iris-objs += iris_core.o \
iris_platform_sm8550.o \
iris_probe.o \
iris_vidc.o \
+ iris_vpu_common.o \
obj-$(CONFIG_VIDEO_QCOM_IRIS) += iris.o
diff --git a/drivers/media/platform/qcom/iris/iris_core.c b/drivers/media/platform/qcom/iris/iris_core.c
index 8c7d53c57086..5ad66ac113ae 100644
--- a/drivers/media/platform/qcom/iris/iris_core.c
+++ b/drivers/media/platform/qcom/iris/iris_core.c
@@ -6,6 +6,7 @@
#include "iris_core.h"
#include "iris_firmware.h"
#include "iris_state.h"
+#include "iris_vpu_common.h"
void iris_core_deinit(struct iris_core *core)
{
@@ -39,10 +40,16 @@ int iris_core_init(struct iris_core *core)
if (ret)
goto error_queue_deinit;
+ ret = iris_vpu_boot_firmware(core);
+ if (ret)
+ goto error_unload_fw;
+
mutex_unlock(&core->lock);
return 0;
+error_unload_fw:
+ iris_fw_unload(core);
error_queue_deinit:
iris_hfi_queues_deinit(core);
error:
diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h
index 42c1fe8e4fa6..7e661e8928bd 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_common.h
+++ b/drivers/media/platform/qcom/iris/iris_platform_common.h
@@ -44,6 +44,7 @@ struct iris_platform_data {
const char *fwname;
u32 pas_id;
struct tz_cp_config *tz_cp_config_data;
+ u32 core_arch;
};
#endif
diff --git a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
index 96d9d6e816a0..4f40bfeeecf1 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
@@ -7,6 +7,8 @@
#include "iris_hfi_gen2.h"
#include "iris_platform_common.h"
+#define VIDEO_ARCH_LX 1
+
static const struct icc_info sm8550_icc_table[] = {
{ "cpu-cfg", 1000, 1000 },
{ "video-mem", 1000, 15000000 },
@@ -47,4 +49,5 @@ struct iris_platform_data sm8550_data = {
.fwname = "qcom/vpu/vpu30_p4.mbn",
.pas_id = IRIS_PAS_ID,
.tz_cp_config_data = &tz_cp_config_sm8550,
+ .core_arch = VIDEO_ARCH_LX,
};
diff --git a/drivers/media/platform/qcom/iris/iris_vpu_common.c b/drivers/media/platform/qcom/iris/iris_vpu_common.c
new file mode 100644
index 000000000000..959ed46e8f47
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_vpu_common.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include <linux/iopoll.h>
+
+#include "iris_core.h"
+#include "iris_vpu_common.h"
+
+#define CPU_BASE_OFFS 0x000A0000
+
+#define CPU_CS_BASE_OFFS (CPU_BASE_OFFS)
+
+#define CTRL_INIT (CPU_CS_BASE_OFFS + 0x48)
+#define CTRL_STATUS (CPU_CS_BASE_OFFS + 0x4C)
+
+#define CTRL_ERROR_STATUS__M 0xfe
+
+#define QTBL_INFO (CPU_CS_BASE_OFFS + 0x50)
+#define QTBL_ENABLE BIT(0)
+
+#define QTBL_ADDR (CPU_CS_BASE_OFFS + 0x54)
+#define CPU_CS_SCIACMDARG3 (CPU_CS_BASE_OFFS + 0x58)
+#define SFR_ADDR (CPU_CS_BASE_OFFS + 0x5C)
+#define UC_REGION_ADDR (CPU_CS_BASE_OFFS + 0x64)
+#define UC_REGION_SIZE (CPU_CS_BASE_OFFS + 0x68)
+
+#define CPU_CS_H2XSOFTINTEN (CPU_CS_BASE_OFFS + 0x148)
+#define HOST2XTENSA_INTR_ENABLE BIT(0)
+
+#define CPU_CS_X2RPMH (CPU_CS_BASE_OFFS + 0x168)
+
+static void iris_vpu_setup_ucregion_memory_map(struct iris_core *core)
+{
+ u32 queue_size, value;
+
+ /* Iris hardware requires 4K queue alignment */
+ queue_size = ALIGN(sizeof(struct iris_hfi_queue_table_header) +
+ (IFACEQ_QUEUE_SIZE * IFACEQ_NUMQ), SZ_4K);
+
+ value = (u32)core->iface_q_table_daddr;
+ writel(value, core->reg_base + UC_REGION_ADDR);
+
+ /* Iris hardware requires 1M queue alignment */
+ value = ALIGN(SFR_SIZE + queue_size, SZ_1M);
+ writel(value, core->reg_base + UC_REGION_SIZE);
+
+ value = (u32)core->iface_q_table_daddr;
+ writel(value, core->reg_base + QTBL_ADDR);
+
+ writel(QTBL_ENABLE, core->reg_base + QTBL_INFO);
+
+ if (core->sfr_daddr) {
+ value = (u32)core->sfr_daddr + core->iris_platform_data->core_arch;
+ writel(value, core->reg_base + SFR_ADDR);
+ }
+}
+
+int iris_vpu_boot_firmware(struct iris_core *core)
+{
+ u32 ctrl_init = BIT(0), ctrl_status = 0, count = 0, max_tries = 1000;
+
+ iris_vpu_setup_ucregion_memory_map(core);
+
+ writel(ctrl_init, core->reg_base + CTRL_INIT);
+ writel(0x1, core->reg_base + CPU_CS_SCIACMDARG3);
+
+ while (!ctrl_status && count < max_tries) {
+ ctrl_status = readl(core->reg_base + CTRL_STATUS);
+ if ((ctrl_status & CTRL_ERROR_STATUS__M) == 0x4) {
+ dev_err(core->dev, "invalid setting for uc_region\n");
+ break;
+ }
+
+ usleep_range(50, 100);
+ count++;
+ }
+
+ if (count >= max_tries) {
+ dev_err(core->dev, "error booting up iris firmware\n");
+ return -ETIME;
+ }
+
+ writel(HOST2XTENSA_INTR_ENABLE, core->reg_base + CPU_CS_H2XSOFTINTEN);
+ writel(0x0, core->reg_base + CPU_CS_X2RPMH);
+
+ return 0;
+}
diff --git a/drivers/media/platform/qcom/iris/iris_vpu_common.h b/drivers/media/platform/qcom/iris/iris_vpu_common.h
new file mode 100644
index 000000000000..bafcf46520fd
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_vpu_common.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef __IRIS_VPU_COMMON_H__
+#define __IRIS_VPU_COMMON_H__
+
+struct iris_core;
+
+int iris_vpu_boot_firmware(struct iris_core *core);
+
+#endif
--
2.34.1
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