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Wed, 20 Nov 2024 14:46:59 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4AKEkwSc003677 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 20 Nov 2024 14:46:58 GMT Received: from hu-dikshita-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 20 Nov 2024 06:46:53 -0800 From: Dikshita Agarwal Date: Wed, 20 Nov 2024 20:15:55 +0530 Subject: [PATCH v6 05/28] media: iris: implement video firmware load/unload Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20241120-qcom-video-iris-v6-5-a8cf6704e992@quicinc.com> References: <20241120-qcom-video-iris-v6-0-a8cf6704e992@quicinc.com> In-Reply-To: <20241120-qcom-video-iris-v6-0-a8cf6704e992@quicinc.com> To: Vikash Garodia , Abhinav Kumar , Mauro Carvalho Chehab , "Rob Herring" , Krzysztof Kozlowski , "Conor Dooley" , Philipp Zabel CC: Hans Verkuil , Sebastian Fricke , Bryan O'Donoghue , Dmitry Baryshkov , Neil Armstrong , Nicolas Dufresne , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Jianhua Lu , , , , , "Dikshita Agarwal" X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1732113983; l=8150; i=quic_dikshita@quicinc.com; s=20240917; h=from:subject:message-id; bh=yo4wEsfKluGMJhK9rgxoR6DFEK2OtcSu2L6+bU/Qkfc=; b=DYWZYq50rqLtMrhJnzsPh4FgSEca07OrGKSeNyGmzeJPK8tAa6NYvkxU8Y3jh5vPlwA9Jxj0C aaE6JX3vcEgDV5o+2nRRBlwL0entnDnvNsFatyC+85WACzqRbwNAlEg X-Developer-Key: i=quic_dikshita@quicinc.com; a=ed25519; pk=EEvKY6Ar1OI5SWf44FJ1Ebo1KuQEVbbf5UNPO+UHVhM= X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: jJwiZWKfLXb0jvR_ei1lOa1SB84sOCXE X-Proofpoint-GUID: jJwiZWKfLXb0jvR_ei1lOa1SB84sOCXE X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 spamscore=0 priorityscore=1501 phishscore=0 malwarescore=0 clxscore=1015 bulkscore=0 mlxlogscore=999 lowpriorityscore=0 adultscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411200098 Load/unload firmware in memory via mdt loader. Firmware is loaded as part of core initialization and unloaded as part of core de-initialization. Signed-off-by: Dikshita Agarwal --- drivers/media/platform/qcom/iris/Kconfig | 2 + drivers/media/platform/qcom/iris/Makefile | 1 + drivers/media/platform/qcom/iris/iris_core.c | 8 ++ drivers/media/platform/qcom/iris/iris_firmware.c | 105 +++++++++++++++++= ++++ drivers/media/platform/qcom/iris/iris_firmware.h | 14 +++ .../platform/qcom/iris/iris_platform_common.h | 12 +++ .../platform/qcom/iris/iris_platform_sm8550.c | 10 ++ 7 files changed, 152 insertions(+) diff --git a/drivers/media/platform/qcom/iris/Kconfig b/drivers/media/platf= orm/qcom/iris/Kconfig index 8debddec87a5..f92cc7fe9378 100644 --- a/drivers/media/platform/qcom/iris/Kconfig +++ b/drivers/media/platform/qcom/iris/Kconfig @@ -3,6 +3,8 @@ config VIDEO_QCOM_IRIS depends on VIDEO_DEV depends on ARCH_QCOM || COMPILE_TEST select V4L2_MEM2MEM_DEV + select QCOM_MDT_LOADER if ARCH_QCOM + select QCOM_SCM help This is a V4L2 driver for Qualcomm iris video accelerator hardware. It accelerates decoding operations on various diff --git a/drivers/media/platform/qcom/iris/Makefile b/drivers/media/plat= form/qcom/iris/Makefile index 93711f108a77..6906caa2c481 100644 --- a/drivers/media/platform/qcom/iris/Makefile +++ b/drivers/media/platform/qcom/iris/Makefile @@ -1,4 +1,5 @@ iris-objs +=3D iris_core.o \ + iris_firmware.o \ iris_hfi_gen1_command.o \ iris_hfi_gen2_command.o \ iris_hfi_queue.o \ diff --git a/drivers/media/platform/qcom/iris/iris_core.c b/drivers/media/p= latform/qcom/iris/iris_core.c index 360a54909ef6..8c7d53c57086 100644 --- a/drivers/media/platform/qcom/iris/iris_core.c +++ b/drivers/media/platform/qcom/iris/iris_core.c @@ -4,11 +4,13 @@ */ =20 #include "iris_core.h" +#include "iris_firmware.h" #include "iris_state.h" =20 void iris_core_deinit(struct iris_core *core) { mutex_lock(&core->lock); + iris_fw_unload(core); iris_hfi_queues_deinit(core); core->state =3D IRIS_CORE_DEINIT; mutex_unlock(&core->lock); @@ -33,10 +35,16 @@ int iris_core_init(struct iris_core *core) if (ret) goto error; =20 + ret =3D iris_fw_load(core); + if (ret) + goto error_queue_deinit; + mutex_unlock(&core->lock); =20 return 0; =20 +error_queue_deinit: + iris_hfi_queues_deinit(core); error: core->state =3D IRIS_CORE_DEINIT; exit: diff --git a/drivers/media/platform/qcom/iris/iris_firmware.c b/drivers/med= ia/platform/qcom/iris/iris_firmware.c new file mode 100644 index 000000000000..d40508889f9d --- /dev/null +++ b/drivers/media/platform/qcom/iris/iris_firmware.c @@ -0,0 +1,105 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights res= erved. + */ + +#include +#include +#include +#include +#include + +#include "iris_core.h" +#include "iris_firmware.h" + +#define MAX_FIRMWARE_NAME_SIZE 128 + +static int iris_load_fw_to_memory(struct iris_core *core, const char *fw_n= ame) +{ + u32 pas_id =3D core->iris_platform_data->pas_id; + const struct firmware *firmware =3D NULL; + struct device *dev =3D core->dev; + struct reserved_mem *rmem; + struct device_node *node; + phys_addr_t mem_phys; + size_t res_size; + ssize_t fw_size; + void *mem_virt; + int ret; + + if (strlen(fw_name) >=3D MAX_FIRMWARE_NAME_SIZE - 4) + return -EINVAL; + + node =3D of_parse_phandle(dev->of_node, "memory-region", 0); + if (!node) + return -EINVAL; + + rmem =3D of_reserved_mem_lookup(node); + of_node_put(node); + if (!rmem) + return -EINVAL; + + mem_phys =3D rmem->base; + res_size =3D rmem->size; + + ret =3D request_firmware(&firmware, fw_name, dev); + if (ret) + return ret; + + fw_size =3D qcom_mdt_get_size(firmware); + if (fw_size < 0 || res_size < (size_t)fw_size) { + ret =3D -EINVAL; + goto err_release_fw; + } + + mem_virt =3D memremap(mem_phys, res_size, MEMREMAP_WC); + if (!mem_virt) + goto err_release_fw; + + ret =3D qcom_mdt_load(dev, firmware, fw_name, + pas_id, mem_virt, mem_phys, res_size, NULL); + if (ret) + goto err_mem_unmap; + + ret =3D qcom_scm_pas_auth_and_reset(pas_id); + if (ret) + goto err_mem_unmap; + + return ret; + +err_mem_unmap: + memunmap(mem_virt); +err_release_fw: + release_firmware(firmware); + + return ret; +} + +int iris_fw_load(struct iris_core *core) +{ + struct tz_cp_config *cp_config =3D core->iris_platform_data->tz_cp_config= _data; + int ret; + + ret =3D iris_load_fw_to_memory(core, core->iris_platform_data->fwname); + if (ret) { + dev_err(core->dev, "firmware download failed\n"); + return -ENOMEM; + } + + ret =3D qcom_scm_mem_protect_video_var(cp_config->cp_start, + cp_config->cp_size, + cp_config->cp_nonpixel_start, + cp_config->cp_nonpixel_size); + if (ret) { + dev_err(core->dev, "protect memory failed\n"); + qcom_scm_pas_shutdown(core->iris_platform_data->pas_id); + return ret; + } + + return ret; +} + +int iris_fw_unload(struct iris_core *core) +{ + return qcom_scm_pas_shutdown(core->iris_platform_data->pas_id); +} diff --git a/drivers/media/platform/qcom/iris/iris_firmware.h b/drivers/med= ia/platform/qcom/iris/iris_firmware.h new file mode 100644 index 000000000000..266bdd92a124 --- /dev/null +++ b/drivers/media/platform/qcom/iris/iris_firmware.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights res= erved. + */ + +#ifndef __IRIS_FIRMWARE_H__ +#define __IRIS_FIRMWARE_H__ + +struct iris_core; + +int iris_fw_load(struct iris_core *core); +int iris_fw_unload(struct iris_core *core); + +#endif diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/driv= ers/media/platform/qcom/iris/iris_platform_common.h index b4d63d6677c5..42c1fe8e4fa6 100644 --- a/drivers/media/platform/qcom/iris/iris_platform_common.h +++ b/drivers/media/platform/qcom/iris/iris_platform_common.h @@ -6,6 +6,8 @@ #ifndef __IRIS_PLATFORM_COMMON_H__ #define __IRIS_PLATFORM_COMMON_H__ =20 +#define IRIS_PAS_ID 9 + extern struct iris_platform_data sm8550_data; =20 enum platform_clk_type { @@ -19,6 +21,13 @@ struct platform_clk_data { const char *clk_name; }; =20 +struct tz_cp_config { + u32 cp_start; + u32 cp_size; + u32 cp_nonpixel_start; + u32 cp_nonpixel_size; +}; + struct iris_platform_data { struct iris_inst *(*get_instance)(void); const struct icc_info *icc_tbl; @@ -32,6 +41,9 @@ struct iris_platform_data { const char * const *clk_rst_tbl; unsigned int clk_rst_tbl_size; u64 dma_mask; + const char *fwname; + u32 pas_id; + struct tz_cp_config *tz_cp_config_data; }; =20 #endif diff --git a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c b/driv= ers/media/platform/qcom/iris/iris_platform_sm8550.c index 9b305b8e2110..96d9d6e816a0 100644 --- a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c +++ b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c @@ -24,6 +24,13 @@ static const struct platform_clk_data sm8550_clk_table[]= =3D { {IRIS_HW_CLK, "vcodec0_core" }, }; =20 +static struct tz_cp_config tz_cp_config_sm8550 =3D { + .cp_start =3D 0, + .cp_size =3D 0x25800000, + .cp_nonpixel_start =3D 0x01000000, + .cp_nonpixel_size =3D 0x24800000, +}; + struct iris_platform_data sm8550_data =3D { .get_instance =3D iris_hfi_gen2_get_instance, .icc_tbl =3D sm8550_icc_table, @@ -37,4 +44,7 @@ struct iris_platform_data sm8550_data =3D { .clk_tbl =3D sm8550_clk_table, .clk_tbl_size =3D ARRAY_SIZE(sm8550_clk_table), .dma_mask =3D GENMASK(31, 29) - 1, + .fwname =3D "qcom/vpu/vpu30_p4.mbn", + .pas_id =3D IRIS_PAS_ID, + .tz_cp_config_data =3D &tz_cp_config_sm8550, }; --=20 2.34.1