From patchwork Tue Jun 29 08:21:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ming Qian X-Patchwork-Id: 12349471 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69837C11F67 for ; Tue, 29 Jun 2021 08:22:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A00761DF3 for ; Tue, 29 Jun 2021 08:22:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232556AbhF2IYh (ORCPT ); Tue, 29 Jun 2021 04:24:37 -0400 Received: from mail-eopbgr80044.outbound.protection.outlook.com ([40.107.8.44]:47169 "EHLO EUR04-VI1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S232513AbhF2IY3 (ORCPT ); Tue, 29 Jun 2021 04:24:29 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=ofDQUbUZx5szmEJQ1y6Apq8ENyIL4g8wDFKs2PZzFiuQ6QowACxgTICvLMYsLKevsSpJJyts3PZFFbN1QfvLkfDD/qxRrGUPuEUNjPxNKr2DhoMJQ/WlocPQRObND80H1ZJoqfkLzVhSDXtrAVqoKVJnxpwFnHuXTZu+4kpGe4dJme1hyg2g855UTJD87jspSR9/nle3WFdQi4rwqXiDpGyPxSghb0MFDV0cD9TldZj9tDbv3mW5ja280hxr3RkLMy++2tgc/oG4uw9oe0alwcbZB6iI/eZCBd5dl2+Mvj03Ph11kmI10dF2b2EBQets/9aWC/IUptYfUTfgP+5MCg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=sJ9xMHkXskp3Ia+ha5slQLrfmsKDPlK/I2RhXVswLHs=; b=glHIxvOg+ZnLWTRR5m6KAuXJbNrvSNqgbiQUbvZfBDMU0jt0qCQmXXAx8aDcHdVh6wEqFhciexFBEPmbPSfm8aakqbZdhBrWOIfsTUvL+tkvHg0j0kas+MZgYiUgbdwyM0ZhMEbXrSqk9Qa+/AfZH7Yf9jKPvXPNlNCUmi5Mr6UA08n2qVfhYw07nLRuzNucw8JxVUHnqLcXh75WEkZt1gKFNm3OFxZ0zbc8CCeyYMcC9oBrm/ZPieO5n1TtWiA3f1hp4B+UCl+qT15DCRkB527+0z2UY9ISejH6KjBg+aiSjBQ6B6DAGcFPTE7P23HPUgeQBGj3Ee7vKb07t6W+KA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=sJ9xMHkXskp3Ia+ha5slQLrfmsKDPlK/I2RhXVswLHs=; b=FDjfPiw5AiMo9Vy5X0V15YSasQDCV5NGYYAvOJxjQntrMsk8bgVrqb9QKzRAvPq7fqq7qUA2Sdr35JdeI823plSfzoIwFNMg/Bv+YVtNaUuD4MmTh3NWzCYmT71ncYJ2/7NibaKhUXO9bD6J/pyChTDdgwtAsmHvjb4U7ltOaCc= Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=nxp.com; Received: from AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) by AM7PR04MB7191.eurprd04.prod.outlook.com (2603:10a6:20b:11c::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4264.18; Tue, 29 Jun 2021 08:21:59 +0000 Received: from AM6PR04MB6341.eurprd04.prod.outlook.com ([fe80::f91a:68d6:ffb8:1642]) by AM6PR04MB6341.eurprd04.prod.outlook.com ([fe80::f91a:68d6:ffb8:1642%3]) with mapi id 15.20.4264.026; Tue, 29 Jun 2021 08:21:59 +0000 From: Ming Qian To: mchehab@kernel.org, shawnguo@kernel.org, robh+dt@kernel.org, s.hauer@pengutronix.de Cc: hverkuil-cisco@xs4all.nl, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, aisheng.dong@nxp.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 05/13] media: imx: imx8q: implement vpu core communication based on mailbox Date: Tue, 29 Jun 2021 16:21:06 +0800 Message-Id: <2f4379e979d56855c99626287f101f10a2e1ff6d.1624954576.git.ming.qian@nxp.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: References: X-Originating-IP: [119.31.174.70] X-ClientProxiedBy: SG2PR06CA0160.apcprd06.prod.outlook.com (2603:1096:1:1e::14) To AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from lsv11149.swis.cn-sha01.nxp.com (119.31.174.70) by SG2PR06CA0160.apcprd06.prod.outlook.com (2603:1096:1:1e::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4264.19 via Frontend Transport; Tue, 29 Jun 2021 08:21:56 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 902fbb31-220f-4df1-1659-08d93ad6f738 X-MS-TrafficTypeDiagnostic: AM7PR04MB7191: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:114; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM6PR04MB6341.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(136003)(366004)(396003)(346002)(376002)(39850400004)(86362001)(7696005)(52116002)(7416002)(38350700002)(5660300002)(66946007)(966005)(44832011)(8936002)(4326008)(6486002)(478600001)(66476007)(30864003)(2616005)(316002)(38100700002)(8676002)(956004)(66556008)(36756003)(6666004)(83380400001)(2906002)(26005)(16526019)(186003)(15650500001)(32563001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 902fbb31-220f-4df1-1659-08d93ad6f738 X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB6341.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Jun 2021 08:21:59.6265 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: QmGIcUGffLOYDXeWssgpgrThhMzMydnIU6K/KKVo+gN8WNBjcM2KfUsBUNo/mGTfNuVX1ROYSJ/38FDvYZ65sQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR04MB7191 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org driver use mailbox to communicate with vpu core. and there are a command buffer and a message buffer. driver will write commands to the command buffer, then trigger a vpu core interrupt vpu core will write messages to the message buffer, then trigger a cpu interrupt. Signed-off-by: Ming Qian Signed-off-by: Shijie Qin Signed-off-by: Zhou Peng --- drivers/media/platform/imx/vpu-8q/vpu_cmds.c | 443 +++++++++++++++++++ drivers/media/platform/imx/vpu-8q/vpu_cmds.h | 34 ++ drivers/media/platform/imx/vpu-8q/vpu_mbox.c | 135 ++++++ drivers/media/platform/imx/vpu-8q/vpu_mbox.h | 25 ++ drivers/media/platform/imx/vpu-8q/vpu_msgs.c | 420 ++++++++++++++++++ drivers/media/platform/imx/vpu-8q/vpu_msgs.h | 23 + 6 files changed, 1080 insertions(+) create mode 100644 drivers/media/platform/imx/vpu-8q/vpu_cmds.c create mode 100644 drivers/media/platform/imx/vpu-8q/vpu_cmds.h create mode 100644 drivers/media/platform/imx/vpu-8q/vpu_mbox.c create mode 100644 drivers/media/platform/imx/vpu-8q/vpu_mbox.h create mode 100644 drivers/media/platform/imx/vpu-8q/vpu_msgs.c create mode 100644 drivers/media/platform/imx/vpu-8q/vpu_msgs.h diff --git a/drivers/media/platform/imx/vpu-8q/vpu_cmds.c b/drivers/media/platform/imx/vpu-8q/vpu_cmds.c new file mode 100644 index 000000000000..eb4c2bb08451 --- /dev/null +++ b/drivers/media/platform/imx/vpu-8q/vpu_cmds.c @@ -0,0 +1,443 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2020-2021 NXP + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#define TAG "CMD" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "vpu.h" +#include "vpu_defs.h" +#include "vpu_cmds.h" +#include "vpu_rpc.h" +#include "vpu_mbox.h" +#include "vpu_log.h" + +struct vpu_cmd_request { + u32 request; + u32 response; + u32 handled; +}; + +struct vpu_cmd_t { + struct list_head list; + u32 id; + struct vpu_cmd_request *request; + struct vpu_rpc_event *pkt; + unsigned long key; +}; + +static struct vpu_cmd_request vpu_cmd_requests[] = { + { + .request = VPU_CMD_ID_CONFIGURE_CODEC, + .response = VPU_MSG_ID_MEM_REQUEST, + .handled = 1, + }, + { + .request = VPU_CMD_ID_START, + .response = VPU_MSG_ID_START_DONE, + .handled = 0, + }, + { + .request = VPU_CMD_ID_STOP, + .response = VPU_MSG_ID_STOP_DONE, + .handled = 0, + }, + { + .request = VPU_CMD_ID_ABORT, + .response = VPU_MSG_ID_ABORT_DONE, + .handled = 0, + }, + { + .request = VPU_CMD_ID_RST_BUF, + .response = VPU_MSG_ID_BUF_RST, + .handled = 1, + }, +}; + +int vpu_cmd_send(struct vpu_core *core, struct vpu_rpc_event *pkt) +{ + int ret = 0; + + WARN_ON(!core || !pkt); + + ret = vpu_iface_send_cmd(core, pkt); + if (ret) + return ret; + + /*write cmd data to cmd buffer before trigger a cmd interrupt*/ + mb(); + vpu_mbox_send_type(core, COMMAND); + + return ret; +} + +struct vpu_cmd_t *vpu_alloc_cmd(struct vpu_inst *inst, u32 id, void *data) +{ + struct vpu_cmd_t *cmd; + int i; + int ret; + + cmd = vzalloc(sizeof(*cmd)); + if (!cmd) + return NULL; + + cmd->pkt = vzalloc(sizeof(*cmd->pkt)); + if (!cmd->pkt) { + vfree(cmd); + return NULL; + } + + cmd->id = id; + ret = vpu_iface_pack_cmd(inst->core, cmd->pkt, inst->id, id, data); + if (ret) { + inst_err(inst, "iface pack cmd(%d) fail\n", id); + vfree(cmd->pkt); + vfree(cmd); + return NULL; + } + for (i = 0; i < ARRAY_SIZE(vpu_cmd_requests); i++) { + if (vpu_cmd_requests[i].request == id) { + cmd->request = &vpu_cmd_requests[i]; + break; + } + } + + return cmd; +} + +void vpu_free_cmd(struct vpu_cmd_t *cmd) +{ + if (!cmd) + return; + if (cmd->pkt) + vfree(cmd->pkt); + vfree(cmd); +} + +int vpu_session_process_cmd(struct vpu_inst *inst, struct vpu_cmd_t *cmd) +{ + int ret; + + if (!inst || !cmd || !cmd->pkt) + return -EINVAL; + + inst_dbg(inst, LVL_CMD, "send cmd(%d)\n", cmd->id); + vpu_iface_pre_send_cmd(inst); + ret = vpu_cmd_send(inst->core, cmd->pkt); + if (!ret) { + vpu_iface_post_send_cmd(inst); + vpu_inst_record_flow(inst, cmd->id); + } else { + inst_err(inst, "iface send cmd(%d) fail\n", cmd->id); + } + + return ret; +} + +void vpu_process_cmd_request(struct vpu_inst *inst) +{ + struct vpu_cmd_t *cmd; + struct vpu_cmd_t *tmp; + + if (!inst || inst->pending) + return; + + list_for_each_entry_safe(cmd, tmp, &inst->cmd_q, list) { + list_del_init(&cmd->list); + if (vpu_session_process_cmd(inst, cmd)) + inst_err(inst, "process cmd(%d) fail\n", cmd->id); + if (cmd->request) { + inst->pending = (void *)cmd; + break; + } + vpu_free_cmd(cmd); + } +} + +int vpu_request_cmd(struct vpu_inst *inst, u32 id, void *data, + unsigned long *key, int *sync) +{ + struct vpu_core *core; + struct vpu_cmd_t *cmd; + + if (!inst || !inst->core) + return -EINVAL; + + core = inst->core; + cmd = vpu_alloc_cmd(inst, id, data); + if (!cmd) + return -ENOMEM; + + mutex_lock(&core->cmd_lock); + cmd->key = core->cmd_seq++; + if (key) + *key = cmd->key; + if (sync) + *sync = cmd->request ? true : false; + list_add_tail(&cmd->list, &inst->cmd_q); + vpu_process_cmd_request(inst); + mutex_unlock(&core->cmd_lock); + + return 0; +} + +void vpu_clear_pending(struct vpu_inst *inst) +{ + if (!inst || !inst->pending) + return; + + vpu_free_cmd(inst->pending); + wake_up_all(&inst->core->ack_wq); + inst->pending = NULL; +} + +bool vpu_check_response(struct vpu_cmd_t *cmd, u32 response, u32 handled) +{ + struct vpu_cmd_request *request; + + if (!cmd || !cmd->request) + return false; + + request = cmd->request; + if (request->response != response) + return false; + if (request->handled != handled) + return false; + + return true; +} + +int vpu_response_cmd(struct vpu_inst *inst, u32 response, u32 handled) +{ + struct vpu_core *core; + + if (!inst || !inst->core) + return -EINVAL; + + core = inst->core; + mutex_lock(&core->cmd_lock); + if (vpu_check_response(inst->pending, response, handled)) + vpu_clear_pending(inst); + + vpu_process_cmd_request(inst); + mutex_unlock(&core->cmd_lock); + + return 0; +} + +void vpu_clear_request(struct vpu_inst *inst) +{ + struct vpu_cmd_t *cmd; + struct vpu_cmd_t *tmp; + + mutex_lock(&inst->core->cmd_lock); + if (inst->pending) + vpu_clear_pending(inst); + + list_for_each_entry_safe(cmd, tmp, &inst->cmd_q, list) { + list_del_init(&cmd->list); + vpu_free_cmd(cmd); + } + mutex_unlock(&inst->core->cmd_lock); +} + +static bool check_is_responsed(struct vpu_inst *inst, unsigned long key) +{ + struct vpu_core *core = inst->core; + struct vpu_cmd_t *cmd; + bool flag = true; + + mutex_lock(&core->cmd_lock); + cmd = inst->pending; + if (cmd && key == cmd->key) { + flag = false; + goto exit; + } + list_for_each_entry(cmd, &inst->cmd_q, list) { + if (key == cmd->key) { + flag = false; + break; + } + } +exit: + mutex_unlock(&core->cmd_lock); + + return flag; +} + +static int sync_session_response(struct vpu_inst *inst, unsigned long key) +{ + struct vpu_core *core; + long ret; + + if (!inst || !inst->core) + return -EINVAL; + + core = inst->core; + ret = wait_event_timeout(core->ack_wq, + check_is_responsed(inst, key), + VPU_TIMEOUT); + + if (!check_is_responsed(inst, key)) { + inst_err(inst, "sync session timeout\n"); + set_bit(inst->id, &core->hang_mask); + mutex_lock(&inst->core->cmd_lock); + vpu_clear_pending(inst); + mutex_unlock(&inst->core->cmd_lock); + return -EINVAL; + } + + return 0; +} + +int vpu_session_send_cmd(struct vpu_inst *inst, u32 id, void *data) +{ + struct vpu_core *core; + unsigned long key; + int sync = false; + int ret = -EINVAL; + + WARN_ON(!inst || !inst->core || inst->id < 0); + core = inst->core; + + ret = vpu_request_cmd(inst, id, data, &key, &sync); + if (!ret && sync) + ret = sync_session_response(inst, key); + + if (ret) + inst_err(inst, "send cmd(%d) fail\n", id); + + return ret; +} + +int vpu_session_configure_codec(struct vpu_inst *inst) +{ + return vpu_session_send_cmd(inst, VPU_CMD_ID_CONFIGURE_CODEC, NULL); +} + +int vpu_session_start(struct vpu_inst *inst) +{ + inst_dbg(inst, LVL_FLOW, "send start cmd\n"); + + return vpu_session_send_cmd(inst, VPU_CMD_ID_START, NULL); +} + +int vpu_session_stop(struct vpu_inst *inst) +{ + inst_dbg(inst, LVL_FLOW, "send stop cmd\n"); + + return vpu_session_send_cmd(inst, VPU_CMD_ID_STOP, NULL); +} + +int vpu_session_encode_frame(struct vpu_inst *inst, s64 timestamp) +{ + return vpu_session_send_cmd(inst, VPU_CMD_ID_FRAME_ENCODE, ×tamp); +} + +int vpu_session_alloc_fs(struct vpu_inst *inst, struct vpu_fs_info *fs) +{ + return vpu_session_send_cmd(inst, VPU_CMD_ID_FS_ALLOC, fs); +} + +int vpu_session_release_fs(struct vpu_inst *inst, struct vpu_fs_info *fs) +{ + return vpu_session_send_cmd(inst, VPU_CMD_ID_FS_RELEASE, fs); +} + +int vpu_session_abort(struct vpu_inst *inst) +{ + return vpu_session_send_cmd(inst, VPU_CMD_ID_ABORT, NULL); +} + +int vpu_session_rst_buf(struct vpu_inst *inst) +{ + return vpu_session_send_cmd(inst, VPU_CMD_ID_RST_BUF, NULL); +} + +int vpu_session_fill_timestamp(struct vpu_inst *inst, struct vpu_ts_info *info) +{ + return vpu_session_send_cmd(inst, VPU_CMD_ID_TIMESTAMP, info); +} + +int vpu_session_update_parameters(struct vpu_inst *inst, void *arg) +{ + if (inst->type & VPU_CORE_TYPE_DEC) + vpu_iface_set_decode_params(inst, arg, 1); + else + vpu_iface_set_encode_params(inst, arg, 1); + + return vpu_session_send_cmd(inst, VPU_CMD_ID_UPDATE_PARAMETER, arg); +} + +int vpu_session_debug(struct vpu_inst *inst) +{ + return vpu_session_send_cmd(inst, VPU_CMD_ID_DEBUG, NULL); +} + +int vpu_core_snapshot(struct vpu_core *core) +{ + struct vpu_inst *inst; + int ret; + + WARN_ON(!core || list_empty(&core->instances)); + + inst = list_first_entry(&core->instances, struct vpu_inst, list); + + reinit_completion(&core->cmp); + ret = vpu_session_send_cmd(inst, VPU_CMD_ID_SNAPSHOT, NULL); + if (ret) + return ret; + ret = wait_for_completion_timeout(&core->cmp, VPU_TIMEOUT); + if (!ret) { + vpu_err("core[%d] snapshot timeout\n", core->id); + return -EINVAL; + } + + return 0; +} + +int vpu_core_sw_reset(struct vpu_core *core) +{ + struct vpu_rpc_event pkt; + int ret; + + WARN_ON(!core); + + memset(&pkt, 0, sizeof(pkt)); + vpu_iface_pack_cmd(core, &pkt, 0, VPU_CMD_ID_FIRM_RESET, NULL); + + reinit_completion(&core->cmp); + mutex_lock(&core->cmd_lock); + ret = vpu_cmd_send(core, &pkt); + mutex_unlock(&core->cmd_lock); + if (ret) + return ret; + ret = wait_for_completion_timeout(&core->cmp, VPU_TIMEOUT); + if (!ret) { + vpu_err("core[%d] sw reset timeout\n", core->id); + return -EINVAL; + } + + return 0; +} diff --git a/drivers/media/platform/imx/vpu-8q/vpu_cmds.h b/drivers/media/platform/imx/vpu-8q/vpu_cmds.h new file mode 100644 index 000000000000..fa114ed5ba7d --- /dev/null +++ b/drivers/media/platform/imx/vpu-8q/vpu_cmds.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2020-2021 NXP + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#ifndef _IMX_VPU_CMDS_H +#define _IMX_VPU_CMDS_H + +int vpu_session_configure_codec(struct vpu_inst *inst); +int vpu_session_start(struct vpu_inst *inst); +int vpu_session_stop(struct vpu_inst *inst); +int vpu_session_abort(struct vpu_inst *inst); +int vpu_session_rst_buf(struct vpu_inst *inst); +int vpu_session_encode_frame(struct vpu_inst *inst, s64 timestamp); +int vpu_session_alloc_fs(struct vpu_inst *inst, struct vpu_fs_info *fs); +int vpu_session_release_fs(struct vpu_inst *inst, struct vpu_fs_info *fs); +int vpu_session_fill_timestamp(struct vpu_inst *inst, struct vpu_ts_info *info); +int vpu_session_update_parameters(struct vpu_inst *inst, void *arg); +int vpu_core_snapshot(struct vpu_core *core); +int vpu_core_sw_reset(struct vpu_core *core); +int vpu_response_cmd(struct vpu_inst *inst, u32 response, u32 handled); +void vpu_clear_request(struct vpu_inst *inst); +int vpu_session_debug(struct vpu_inst *inst); + +#endif diff --git a/drivers/media/platform/imx/vpu-8q/vpu_mbox.c b/drivers/media/platform/imx/vpu-8q/vpu_mbox.c new file mode 100644 index 000000000000..c20aebb16991 --- /dev/null +++ b/drivers/media/platform/imx/vpu-8q/vpu_mbox.c @@ -0,0 +1,135 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2020-2021 NXP + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#define TAG "MBOX" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "vpu.h" +#include "vpu_mbox.h" +#include "vpu_msgs.h" +#include "vpu_log.h" + +static void vpu_mbox_rx_callback(struct mbox_client *cl, void *msg) +{ + struct vpu_mbox *rx = container_of(cl, struct vpu_mbox, cl); + struct vpu_core *core = container_of(rx, struct vpu_core, rx); + + vpu_isr(core, *(u32 *)msg); +} + +static int vpu_mbox_request_channel(struct device *dev, struct vpu_mbox *mbox) +{ + struct mbox_chan *ch; + struct mbox_client *cl; + + if (!dev || !mbox) + return -EINVAL; + if (mbox->ch) + return 0; + + cl = &mbox->cl; + cl->dev = dev; + if (mbox->block) { + cl->tx_block = true; + cl->tx_tout = 1000; + } else { + cl->tx_block = false; + } + cl->knows_txdone = false; + cl->rx_callback = vpu_mbox_rx_callback; + + ch = mbox_request_channel_byname(cl, mbox->name); + if (IS_ERR(ch)) { + vpu_err("Failed to request mbox chan %s, ret : %ld\n", + mbox->name, PTR_ERR(ch)); + return PTR_ERR(ch); + } + + mbox->ch = ch; + return 0; +} + +int vpu_mbox_init(struct vpu_core *core) +{ + WARN_ON(!core); + + scnprintf(core->tx_type.name, sizeof(core->tx_type.name) - 1, "tx0"); + core->tx_type.block = true; + + scnprintf(core->tx_data.name, sizeof(core->tx_data.name) - 1, "tx1"); + core->tx_data.block = false; + + scnprintf(core->rx.name, sizeof(core->rx.name) - 1, "rx"); + core->rx.block = true; + + return 0; +} + +int vpu_mbox_request(struct vpu_core *core) +{ + int ret; + + WARN_ON(!core); + + ret = vpu_mbox_request_channel(core->dev, &core->tx_type); + if (ret) + goto error; + ret = vpu_mbox_request_channel(core->dev, &core->tx_data); + if (ret) + goto error; + ret = vpu_mbox_request_channel(core->dev, &core->rx); + if (ret) + goto error; + + vpu_dbg(LVL_DEBUG, "mbox request\n"); + return 0; +error: + vpu_mbox_free(core); + return ret; +} + +void vpu_mbox_free(struct vpu_core *core) +{ + WARN_ON(!core); + + mbox_free_channel(core->tx_type.ch); + mbox_free_channel(core->tx_data.ch); + mbox_free_channel(core->rx.ch); + core->tx_type.ch = NULL; + core->tx_data.ch = NULL; + core->rx.ch = NULL; + vpu_dbg(LVL_DEBUG, "mbox free\n"); +} + +void vpu_mbox_send_type(struct vpu_core *core, u32 type) +{ + mbox_send_message(core->tx_type.ch, &type); +} + +void vpu_mbox_send_msg(struct vpu_core *core, u32 type, u32 data) +{ + mbox_send_message(core->tx_data.ch, &data); + mbox_send_message(core->tx_type.ch, &type); +} + +void vpu_mbox_enable_rx(struct vpu_dev *dev) +{ +} diff --git a/drivers/media/platform/imx/vpu-8q/vpu_mbox.h b/drivers/media/platform/imx/vpu-8q/vpu_mbox.h new file mode 100644 index 000000000000..60fb797ccb0c --- /dev/null +++ b/drivers/media/platform/imx/vpu-8q/vpu_mbox.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2020-2021 NXP + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#ifndef _IMX_VPU_MBOX_H +#define _IMX_VPU_MBOX_H + +int vpu_mbox_init(struct vpu_core *core); +int vpu_mbox_request(struct vpu_core *core); +void vpu_mbox_free(struct vpu_core *core); +void vpu_mbox_send_msg(struct vpu_core *core, u32 type, u32 data); +void vpu_mbox_send_type(struct vpu_core *core, u32 type); +void vpu_mbox_enable_rx(struct vpu_dev *dev); + +#endif diff --git a/drivers/media/platform/imx/vpu-8q/vpu_msgs.c b/drivers/media/platform/imx/vpu-8q/vpu_msgs.c new file mode 100644 index 000000000000..cbd15e384922 --- /dev/null +++ b/drivers/media/platform/imx/vpu-8q/vpu_msgs.c @@ -0,0 +1,420 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2020-2021 NXP + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#define TAG "MSG" + +#include +#include +#include +#include +#include +#include +#include "vpu.h" +#include "vpu_core.h" +#include "vpu_rpc.h" +#include "vpu_mbox.h" +#include "vpu_defs.h" +#include "vpu_cmds.h" +#include "vpu_v4l2.h" +#include "vpu_log.h" + +#define VPU_PKT_HEADER_LENGTH 3 + +struct vpu_msg_handler { + u32 id; + void (*done)(struct vpu_inst *inst, struct vpu_rpc_event *pkt); +}; + +void vpu_session_handle_start_done(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + WARN_ON(!inst || !inst->core); + + inst_dbg(inst, LVL_FLOW, "start done\n"); +} + +void vpu_session_handle_mem_request(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + struct vpu_pkt_mem_req_data req_data; + + WARN_ON(!inst || !inst->core || !inst->ops); + + vpu_iface_unpack_msg_data(inst->core, pkt, (void *)&req_data); + inst_dbg(inst, LVL_FLOW, "mem request event : %d:%d %d:%d %d:%d\n", + req_data.enc_frame_size, + req_data.enc_frame_num, + req_data.ref_frame_size, + req_data.ref_frame_num, + req_data.act_buf_size, + req_data.act_buf_num); + call_vop(inst, mem_request, + req_data.enc_frame_size, + req_data.enc_frame_num, + req_data.ref_frame_size, + req_data.ref_frame_num, + req_data.act_buf_size, + req_data.act_buf_num); +} + +void vpu_session_handle_stop_done(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + WARN_ON(!inst || !inst->core); + + inst_dbg(inst, LVL_FLOW, "stop done\n"); + + call_vop(inst, stop_done); +} + +void vpu_session_handle_seq_hdr(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + struct vpu_dec_codec_info info; + + WARN_ON(!inst || !inst->core); + + vpu_iface_unpack_msg_data(inst->core, pkt, (void *)&info); + call_vop(inst, event_notify, VPU_MSG_ID_SEQ_HDR_FOUND, &info); +} + +void vpu_session_handle_resolution_change(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + WARN_ON(!inst || !inst->core); + + call_vop(inst, event_notify, VPU_MSG_ID_RES_CHANGE, NULL); +} + +void vpu_session_handle_enc_frame_done(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + struct vpu_enc_pic_info info; + + WARN_ON(!inst || !inst->core); + + vpu_iface_unpack_msg_data(inst->core, pkt, (void *)&info); + inst_dbg(inst, LVL_DEBUG, "frame id = %d, wptr = 0x%x, size = %d\n", + info.frame_id, info.wptr, info.frame_size); + call_vop(inst, get_one_frame, &info); +} + +void vpu_session_handle_frame_request(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + struct vpu_fs_info fs; + + vpu_iface_unpack_msg_data(inst->core, pkt, &fs); + call_vop(inst, event_notify, VPU_MSG_ID_FRAME_REQ, &fs); +} + +void vpu_session_handle_frame_release(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + + WARN_ON(!inst || !inst->core); + + if (inst->core->type == VPU_CORE_TYPE_ENC) { + struct vpu_frame_info info; + + memset(&info, 0, sizeof(info)); + vpu_iface_unpack_msg_data(inst->core, pkt, (void *)&info.sequence); + inst_dbg(inst, LVL_DEBUG, "frame release:%d\n", info.sequence); + info.type = inst->out_format.type; + call_vop(inst, buf_done, &info); + } else if (inst->core->type == VPU_CORE_TYPE_DEC) { + struct vpu_fs_info fs; + + vpu_iface_unpack_msg_data(inst->core, pkt, &fs); + call_vop(inst, event_notify, VPU_MSG_ID_FRAME_RELEASE, &fs); + } +} + +void vpu_session_handle_input_done(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + + WARN_ON(!inst || !inst->core); + + inst_dbg(inst, LVL_DEBUG, "frame input done\n"); + call_vop(inst, input_done); +} + +void vpu_session_handle_pic_decoded(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + struct vpu_dec_pic_info info; + + WARN_ON(!inst || !inst->core); + + vpu_iface_unpack_msg_data(inst->core, pkt, (void *)&info); + call_vop(inst, get_one_frame, &info); +} + +void vpu_session_handle_pic_done(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + struct vpu_dec_pic_info info; + struct vpu_frame_info frame; + + WARN_ON(!inst || !inst->core); + + memset(&frame, 0, sizeof(frame)); + vpu_iface_unpack_msg_data(inst->core, pkt, (void *)&info); + if (inst->core->type == VPU_CORE_TYPE_DEC) + frame.type = inst->cap_format.type; + frame.id = info.id; + frame.luma = info.luma; + frame.skipped = info.skipped; + frame.timestamp = info.timestamp; + + call_vop(inst, buf_done, &frame); +} + +void vpu_session_handle_eos(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + call_vop(inst, event_notify, VPU_MSG_ID_PIC_EOS, NULL); +} + +void vpu_session_handle_error(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + call_vop(inst, event_notify, VPU_MSG_ID_UNSUPPORTED, NULL); + vpu_notify_codec_error(inst); +} + +void vpu_session_handle_firmware_xcpt(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + char *str = (char *)pkt->data; + + inst_err(inst, "%s firmware xcpt: %s\n", + vpu_core_type_desc(inst->core->type), str); + call_vop(inst, event_notify, VPU_MSG_ID_FIRMWARE_XCPT, NULL); + set_bit(inst->id, &inst->core->hang_mask); + vpu_notify_codec_error(inst); +} + +struct vpu_msg_handler handlers[] = { + {VPU_MSG_ID_START_DONE, vpu_session_handle_start_done}, + {VPU_MSG_ID_STOP_DONE, vpu_session_handle_stop_done}, + {VPU_MSG_ID_MEM_REQUEST, vpu_session_handle_mem_request}, + {VPU_MSG_ID_SEQ_HDR_FOUND, vpu_session_handle_seq_hdr}, + {VPU_MSG_ID_RES_CHANGE, vpu_session_handle_resolution_change}, + {VPU_MSG_ID_FRAME_INPUT_DONE, vpu_session_handle_input_done}, + {VPU_MSG_ID_FRAME_REQ, vpu_session_handle_frame_request}, + {VPU_MSG_ID_FRAME_RELEASE, vpu_session_handle_frame_release}, + {VPU_MSG_ID_ENC_DONE, vpu_session_handle_enc_frame_done}, + {VPU_MSG_ID_PIC_DECODED, vpu_session_handle_pic_decoded}, + {VPU_MSG_ID_DEC_DONE, vpu_session_handle_pic_done}, + {VPU_MSG_ID_PIC_EOS, vpu_session_handle_eos}, + {VPU_MSG_ID_UNSUPPORTED, vpu_session_handle_error}, + {VPU_MSG_ID_FIRMWARE_XCPT, vpu_session_handle_firmware_xcpt}, +}; + +int vpu_session_handle_msg(struct vpu_inst *inst, struct vpu_rpc_event *msg) +{ + int ret; + u32 msg_id; + struct vpu_msg_handler *handler = NULL; + unsigned int i; + + ret = vpu_iface_convert_msg_id(inst->core, msg->hdr.id); + if (ret < 0) + return -EINVAL; + + msg_id = ret; + inst_dbg(inst, LVL_EVT, "receive event(%d)\n", msg_id); + + for (i = 0; i < ARRAY_SIZE(handlers); i++) { + if (handlers[i].id == msg_id) { + handler = &handlers[i]; + break; + } + } + + if (handler && handler->done) + handler->done(inst, msg); + + vpu_response_cmd(inst, msg_id, 1); + + return 0; +} + +static bool vpu_inst_receive_msg(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + u32 bytes = sizeof(struct vpu_rpc_event_header); + u32 ret; + + memset(pkt, 0, sizeof(*pkt)); + if (kfifo_len(&inst->msg_fifo) < bytes) + return false; + + ret = kfifo_out(&inst->msg_fifo, pkt, bytes); + if (ret != bytes) + return false; + + if (pkt->hdr.num > 0) { + bytes = pkt->hdr.num * sizeof(u32); + ret = kfifo_out(&inst->msg_fifo, pkt->data, bytes); + if (ret != bytes) + return false; + } + + return true; +} + +void vpu_inst_run_work(struct work_struct *work) +{ + struct vpu_inst *inst = container_of(work, struct vpu_inst, msg_work); + struct vpu_rpc_event pkt; + + while (vpu_inst_receive_msg(inst, &pkt)) + vpu_session_handle_msg(inst, &pkt); +} + +void vpu_inst_handle_msg(struct vpu_inst *inst, struct vpu_rpc_event *pkt) +{ + u32 bytes; + u32 id = pkt->hdr.id; + int ret; + + if (!inst->workqueue) { + vpu_session_handle_msg(inst, pkt); + return; + } + + bytes = sizeof(pkt->hdr) + pkt->hdr.num * sizeof(u32); + ret = kfifo_in(&inst->msg_fifo, pkt, bytes); + if (ret != bytes) + vpu_err("[%d:%d]overflow: %d\n", inst->core->id, inst->id, id); + queue_work(inst->workqueue, &inst->msg_work); +} + +int vpu_handle_msg(struct vpu_core *core) +{ + struct vpu_rpc_event pkt; + struct vpu_inst *inst; + int ret; + + memset(&pkt, 0, sizeof(pkt)); + while (!vpu_iface_receive_msg(core, &pkt)) { + vpu_dbg(LVL_DEBUG, "event index = %d, id = %d, num = %d\n", + pkt.hdr.index, pkt.hdr.id, pkt.hdr.num); + + ret = vpu_iface_convert_msg_id(core, pkt.hdr.id); + if (ret < 0) + continue; + + inst = vpu_core_find_instance(core, pkt.hdr.index); + if (inst) { + vpu_response_cmd(inst, ret, 0); + mutex_lock(&core->cmd_lock); + vpu_inst_record_flow(inst, ret); + mutex_unlock(&core->cmd_lock); + + vpu_inst_handle_msg(inst, &pkt); + vpu_inst_put(inst); + } + memset(&pkt, 0, sizeof(pkt)); + } + + return 0; +} + +int vpu_isr_thread(struct vpu_core *core, u32 irq_code) +{ + WARN_ON(!core); + + vpu_dbg(LVL_DEBUG, "core[%d] irq code = 0x%x\n", core->id, irq_code); + switch (irq_code) { + case VPU_IRQ_CODE_SYNC: + vpu_mbox_send_msg(core, PRC_BUF_OFFSET, core->rpc.phys - core->fw.phys); + vpu_mbox_send_msg(core, BOOT_ADDRESS, core->fw.phys); + vpu_mbox_send_msg(core, INIT_DONE, 2); + break; + case VPU_IRQ_CODE_BOOT_DONE: + break; + case VPU_IRQ_CODE_SNAPSHOT_DONE: + break; + default: + vpu_handle_msg(core); + break; + } + + return 0; +} + +static void vpu_core_run_msg_work(struct vpu_core *core) +{ + const unsigned int SIZE = sizeof(u32); + + while (kfifo_len(&core->msg_fifo) >= SIZE) { + u32 data; + + if (kfifo_out(&core->msg_fifo, &data, SIZE) == SIZE) + vpu_isr_thread(core, data); + } +} + +void vpu_msg_run_work(struct work_struct *work) +{ + struct vpu_core *core = container_of(work, struct vpu_core, msg_work); + unsigned long delay = msecs_to_jiffies(10); + + vpu_core_run_msg_work(core); + queue_delayed_work(core->workqueue, &core->msg_delayed_work, delay); +} + +void vpu_msg_delayed_work(struct work_struct *work) +{ + struct vpu_core *core; + struct delayed_work *dwork; + u32 bytes = sizeof(bytes); + u32 i; + + if (!work) + return; + + dwork = to_delayed_work(work); + core = container_of(dwork, struct vpu_core, msg_delayed_work); + if (kfifo_len(&core->msg_fifo) >= bytes) + vpu_core_run_msg_work(core); + + bytes = sizeof(struct vpu_rpc_event_header); + for (i = 0; i < core->supported_instance_count; i++) { + struct vpu_inst *inst = vpu_core_find_instance(core, i); + + if (!inst) + continue; + + if (inst->workqueue && kfifo_len(&inst->msg_fifo) >= bytes) + queue_work(inst->workqueue, &inst->msg_work); + + vpu_inst_put(inst); + } +} + + +int vpu_isr(struct vpu_core *core, u32 irq) +{ + WARN_ON(!core); + + vpu_dbg(LVL_DEBUG, "core[%d] irq code = 0x%x\n", core->id, irq); + switch (irq) { + case VPU_IRQ_CODE_SYNC: + break; + case VPU_IRQ_CODE_BOOT_DONE: + complete(&core->cmp); + break; + case VPU_IRQ_CODE_SNAPSHOT_DONE: + complete(&core->cmp); + break; + default: + break; + } + + if (kfifo_in(&core->msg_fifo, &irq, sizeof(irq)) != sizeof(irq)) + vpu_err("[%d]overflow: %d\n", core->id, irq); + queue_work(core->workqueue, &core->msg_work); + + return 0; +} diff --git a/drivers/media/platform/imx/vpu-8q/vpu_msgs.h b/drivers/media/platform/imx/vpu-8q/vpu_msgs.h new file mode 100644 index 000000000000..4bcf7be34097 --- /dev/null +++ b/drivers/media/platform/imx/vpu-8q/vpu_msgs.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2020-2021 NXP + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#ifndef _IMX_VPU_MSGS_H +#define _IMX_VPU_MSGS_H + +int vpu_isr(struct vpu_core *core, u32 irq); +void vpu_inst_run_work(struct work_struct *work); +void vpu_msg_run_work(struct work_struct *work); +void vpu_msg_delayed_work(struct work_struct *work); + +#endif