diff options
Diffstat (limited to 'drivers/media/platform/mtk-vcodec/vdec_vpu_if.c')
| -rw-r--r-- | drivers/media/platform/mtk-vcodec/vdec_vpu_if.c | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c deleted file mode 100644 index 1abd14e79565..000000000000 --- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c +++ /dev/null @@ -1,169 +0,0 @@ -/* - * Copyright (c) 2016 MediaTek Inc. - * Author: PC Chen <pc.chen@mediatek.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include "mtk_vcodec_drv.h" -#include "mtk_vcodec_util.h" -#include "vdec_ipi_msg.h" -#include "vdec_vpu_if.h" - -static void handle_init_ack_msg(struct vdec_vpu_ipi_init_ack *msg) -{ - struct vdec_vpu_inst *vpu = (struct vdec_vpu_inst *) - (unsigned long)msg->ap_inst_addr; - - mtk_vcodec_debug(vpu, "+ ap_inst_addr = 0x%llx", msg->ap_inst_addr); - - /* mapping VPU address to kernel virtual address */ - /* the content in vsi is initialized to 0 in VPU */ - vpu->vsi = vpu_mapping_dm_addr(vpu->dev, msg->vpu_inst_addr); - vpu->inst_addr = msg->vpu_inst_addr; - - mtk_vcodec_debug(vpu, "- vpu_inst_addr = 0x%x", vpu->inst_addr); -} - -/* - * This function runs in interrupt context and it means there's an IPI MSG - * from VPU. - */ -void vpu_dec_ipi_handler(void *data, unsigned int len, void *priv) -{ - struct vdec_vpu_ipi_ack *msg = data; - struct vdec_vpu_inst *vpu = (struct vdec_vpu_inst *) - (unsigned long)msg->ap_inst_addr; - - mtk_vcodec_debug(vpu, "+ id=%X", msg->msg_id); - - if (msg->status == 0) { - switch (msg->msg_id) { - case VPU_IPIMSG_DEC_INIT_ACK: - handle_init_ack_msg(data); - break; - - case VPU_IPIMSG_DEC_START_ACK: - case VPU_IPIMSG_DEC_END_ACK: - case VPU_IPIMSG_DEC_DEINIT_ACK: - case VPU_IPIMSG_DEC_RESET_ACK: - break; - - default: - mtk_vcodec_err(vpu, "invalid msg=%X", msg->msg_id); - break; - } - } - - mtk_vcodec_debug(vpu, "- id=%X", msg->msg_id); - vpu->failure = msg->status; - vpu->signaled = 1; -} - -static int vcodec_vpu_send_msg(struct vdec_vpu_inst *vpu, void *msg, int len) -{ - int err; - - mtk_vcodec_debug(vpu, "id=%X", *(uint32_t *)msg); - - vpu->failure = 0; - vpu->signaled = 0; - - err = vpu_ipi_send(vpu->dev, vpu->id, msg, len); - if (err) { - mtk_vcodec_err(vpu, "send fail vpu_id=%d msg_id=%X status=%d", - vpu->id, *(uint32_t *)msg, err); - return err; - } - - return vpu->failure; -} - -static int vcodec_send_ap_ipi(struct vdec_vpu_inst *vpu, unsigned int msg_id) -{ - struct vdec_ap_ipi_cmd msg; - int err = 0; - - mtk_vcodec_debug(vpu, "+ id=%X", msg_id); - - memset(&msg, 0, sizeof(msg)); - msg.msg_id = msg_id; - msg.vpu_inst_addr = vpu->inst_addr; - - err = vcodec_vpu_send_msg(vpu, &msg, sizeof(msg)); - mtk_vcodec_debug(vpu, "- id=%X ret=%d", msg_id, err); - return err; -} - -int vpu_dec_init(struct vdec_vpu_inst *vpu) -{ - struct vdec_ap_ipi_init msg; - int err; - - mtk_vcodec_debug_enter(vpu); - - init_waitqueue_head(&vpu->wq); - - err = vpu_ipi_register(vpu->dev, vpu->id, vpu->handler, "vdec", NULL); - if (err != 0) { - mtk_vcodec_err(vpu, "vpu_ipi_register fail status=%d", err); - return err; - } - - memset(&msg, 0, sizeof(msg)); - msg.msg_id = AP_IPIMSG_DEC_INIT; - msg.ap_inst_addr = (unsigned long)vpu; - - mtk_vcodec_debug(vpu, "vdec_inst=%p", vpu); - - err = vcodec_vpu_send_msg(vpu, (void *)&msg, sizeof(msg)); - mtk_vcodec_debug(vpu, "- ret=%d", err); - return err; -} - -int vpu_dec_start(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len) -{ - struct vdec_ap_ipi_dec_start msg; - int i; - int err = 0; - - mtk_vcodec_debug_enter(vpu); - - if (len > ARRAY_SIZE(msg.data)) { - mtk_vcodec_err(vpu, "invalid len = %d\n", len); - return -EINVAL; - } - - memset(&msg, 0, sizeof(msg)); - msg.msg_id = AP_IPIMSG_DEC_START; - msg.vpu_inst_addr = vpu->inst_addr; - - for (i = 0; i < len; i++) - msg.data[i] = data[i]; - - err = vcodec_vpu_send_msg(vpu, (void *)&msg, sizeof(msg)); - mtk_vcodec_debug(vpu, "- ret=%d", err); - return err; -} - -int vpu_dec_end(struct vdec_vpu_inst *vpu) -{ - return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_END); -} - -int vpu_dec_deinit(struct vdec_vpu_inst *vpu) -{ - return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_DEINIT); -} - -int vpu_dec_reset(struct vdec_vpu_inst *vpu) -{ - return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_RESET); -} |