Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Minghsiu Tsai | 634 | 98.14% | 2 | 50.00% |
Hsin-Yi, Wang | 10 | 1.55% | 1 | 25.00% |
Thomas Gleixner | 2 | 0.31% | 1 | 25.00% |
Total | 646 | 4 |
// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2015-2016 MediaTek Inc. * Author: Houlong Wei <houlong.wei@mediatek.com> * Ming Hsiu Tsai <minghsiu.tsai@mediatek.com> */ #include "mtk_mdp_core.h" #include "mtk_mdp_vpu.h" #include "mtk_vpu.h" static inline struct mtk_mdp_ctx *vpu_to_ctx(struct mtk_mdp_vpu *vpu) { return container_of(vpu, struct mtk_mdp_ctx, vpu); } static void mtk_mdp_vpu_handle_init_ack(const struct mdp_ipi_comm_ack *msg) { struct mtk_mdp_vpu *vpu = (struct mtk_mdp_vpu *) (unsigned long)msg->ap_inst; /* mapping VPU address to kernel virtual address */ vpu->vsi = (struct mdp_process_vsi *) vpu_mapping_dm_addr(vpu->pdev, msg->vpu_inst_addr); vpu->inst_addr = msg->vpu_inst_addr; } static void mtk_mdp_vpu_ipi_handler(void *data, unsigned int len, void *priv) { const struct mdp_ipi_comm_ack *msg = data; unsigned int msg_id = msg->msg_id; struct mtk_mdp_vpu *vpu = (struct mtk_mdp_vpu *) (unsigned long)msg->ap_inst; struct mtk_mdp_ctx *ctx; vpu->failure = msg->status; if (!vpu->failure) { switch (msg_id) { case VPU_MDP_INIT_ACK: mtk_mdp_vpu_handle_init_ack(data); break; case VPU_MDP_DEINIT_ACK: case VPU_MDP_PROCESS_ACK: break; default: ctx = vpu_to_ctx(vpu); dev_err(&ctx->mdp_dev->pdev->dev, "handle unknown ipi msg:0x%x\n", msg_id); break; } } else { ctx = vpu_to_ctx(vpu); mtk_mdp_dbg(0, "[%d]:msg 0x%x, failure:%d", ctx->id, msg_id, vpu->failure); } } int mtk_mdp_vpu_register(struct platform_device *pdev) { struct mtk_mdp_dev *mdp = platform_get_drvdata(pdev); int err; err = vpu_ipi_register(mdp->vpu_dev, IPI_MDP, mtk_mdp_vpu_ipi_handler, "mdp_vpu", NULL); if (err) dev_err(&mdp->pdev->dev, "vpu_ipi_registration fail status=%d\n", err); return err; } static int mtk_mdp_vpu_send_msg(void *msg, int len, struct mtk_mdp_vpu *vpu, int id) { struct mtk_mdp_ctx *ctx = vpu_to_ctx(vpu); int err; if (!vpu->pdev) { mtk_mdp_dbg(1, "[%d]:vpu pdev is NULL", ctx->id); return -EINVAL; } mutex_lock(&ctx->mdp_dev->vpulock); err = vpu_ipi_send(vpu->pdev, (enum ipi_id)id, msg, len); if (err) dev_err(&ctx->mdp_dev->pdev->dev, "vpu_ipi_send fail status %d\n", err); mutex_unlock(&ctx->mdp_dev->vpulock); return err; } static int mtk_mdp_vpu_send_ap_ipi(struct mtk_mdp_vpu *vpu, uint32_t msg_id) { int err; struct mdp_ipi_comm msg; msg.msg_id = msg_id; msg.ipi_id = IPI_MDP; msg.vpu_inst_addr = vpu->inst_addr; msg.ap_inst = (unsigned long)vpu; err = mtk_mdp_vpu_send_msg((void *)&msg, sizeof(msg), vpu, IPI_MDP); if (!err && vpu->failure) err = -EINVAL; return err; } int mtk_mdp_vpu_init(struct mtk_mdp_vpu *vpu) { int err; struct mdp_ipi_init msg; struct mtk_mdp_ctx *ctx = vpu_to_ctx(vpu); vpu->pdev = ctx->mdp_dev->vpu_dev; msg.msg_id = AP_MDP_INIT; msg.ipi_id = IPI_MDP; msg.ap_inst = (unsigned long)vpu; err = mtk_mdp_vpu_send_msg((void *)&msg, sizeof(msg), vpu, IPI_MDP); if (!err && vpu->failure) err = -EINVAL; return err; } int mtk_mdp_vpu_deinit(struct mtk_mdp_vpu *vpu) { return mtk_mdp_vpu_send_ap_ipi(vpu, AP_MDP_DEINIT); } int mtk_mdp_vpu_process(struct mtk_mdp_vpu *vpu) { return mtk_mdp_vpu_send_ap_ipi(vpu, AP_MDP_PROCESS); }
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