| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2016 MediaTek Inc. |
| * Author: PC Chen <pc.chen@mediatek.com> |
| * Tiffany Lin <tiffany.lin@mediatek.com> |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/of.h> |
| #include <linux/regmap.h> |
| |
| #include "../decoder/mtk_vcodec_dec_drv.h" |
| #include "../encoder/mtk_vcodec_enc_drv.h" |
| #include "../decoder/mtk_vcodec_dec_hw.h" |
| |
| #if defined(CONFIG_DEBUG_FS) |
| int mtk_vcodec_dbg; |
| EXPORT_SYMBOL(mtk_vcodec_dbg); |
| |
| int mtk_v4l2_dbg_level; |
| EXPORT_SYMBOL(mtk_v4l2_dbg_level); |
| #endif |
| |
| void __iomem *mtk_vcodec_get_reg_addr(void __iomem **reg_base, unsigned int reg_idx) |
| { |
| if (reg_idx >= NUM_MAX_VCODEC_REG_BASE) { |
| pr_err(MTK_DBG_V4L2_STR "Invalid arguments, reg_idx=%d", reg_idx); |
| return NULL; |
| } |
| return reg_base[reg_idx]; |
| } |
| EXPORT_SYMBOL(mtk_vcodec_get_reg_addr); |
| |
| int mtk_vcodec_write_vdecsys(struct mtk_vcodec_dec_ctx *ctx, unsigned int reg, |
| unsigned int val) |
| { |
| struct mtk_vcodec_dec_dev *dev = ctx->dev; |
| |
| if (dev->vdecsys_regmap) |
| return regmap_write(dev->vdecsys_regmap, reg, val); |
| |
| writel(val, dev->reg_base[VDEC_SYS] + reg); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL(mtk_vcodec_write_vdecsys); |
| |
| int mtk_vcodec_mem_alloc(void *priv, struct mtk_vcodec_mem *mem) |
| { |
| enum mtk_instance_type inst_type = *((unsigned int *)priv); |
| struct platform_device *plat_dev; |
| unsigned long size = mem->size; |
| int id; |
| |
| if (inst_type == MTK_INST_ENCODER) { |
| struct mtk_vcodec_enc_ctx *enc_ctx = priv; |
| |
| plat_dev = enc_ctx->dev->plat_dev; |
| id = enc_ctx->id; |
| } else { |
| struct mtk_vcodec_dec_ctx *dec_ctx = priv; |
| |
| plat_dev = dec_ctx->dev->plat_dev; |
| id = dec_ctx->id; |
| } |
| |
| mem->va = dma_alloc_coherent(&plat_dev->dev, size, &mem->dma_addr, GFP_KERNEL); |
| if (!mem->va) { |
| mtk_v4l2_err(plat_dev, "%s dma_alloc size=%ld failed!", |
| dev_name(&plat_dev->dev), size); |
| return -ENOMEM; |
| } |
| |
| mtk_v4l2_debug(plat_dev, 3, "[%d] - va = %p dma = 0x%lx size = 0x%lx", id, mem->va, |
| (unsigned long)mem->dma_addr, size); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL(mtk_vcodec_mem_alloc); |
| |
| void mtk_vcodec_mem_free(void *priv, struct mtk_vcodec_mem *mem) |
| { |
| enum mtk_instance_type inst_type = *((unsigned int *)priv); |
| struct platform_device *plat_dev; |
| unsigned long size = mem->size; |
| int id; |
| |
| if (inst_type == MTK_INST_ENCODER) { |
| struct mtk_vcodec_enc_ctx *enc_ctx = priv; |
| |
| plat_dev = enc_ctx->dev->plat_dev; |
| id = enc_ctx->id; |
| } else { |
| struct mtk_vcodec_dec_ctx *dec_ctx = priv; |
| |
| plat_dev = dec_ctx->dev->plat_dev; |
| id = dec_ctx->id; |
| } |
| |
| if (!mem->va) { |
| mtk_v4l2_err(plat_dev, "%s dma_free size=%ld failed!", |
| dev_name(&plat_dev->dev), size); |
| return; |
| } |
| |
| mtk_v4l2_debug(plat_dev, 3, "[%d] - va = %p dma = 0x%lx size = 0x%lx", id, mem->va, |
| (unsigned long)mem->dma_addr, size); |
| |
| dma_free_coherent(&plat_dev->dev, size, mem->va, mem->dma_addr); |
| mem->va = NULL; |
| mem->dma_addr = 0; |
| mem->size = 0; |
| } |
| EXPORT_SYMBOL(mtk_vcodec_mem_free); |
| |
| void *mtk_vcodec_get_hw_dev(struct mtk_vcodec_dec_dev *dev, int hw_idx) |
| { |
| if (hw_idx >= MTK_VDEC_HW_MAX || hw_idx < 0 || !dev->subdev_dev[hw_idx]) { |
| dev_err(&dev->plat_dev->dev, "hw idx is out of range:%d", hw_idx); |
| return NULL; |
| } |
| |
| return dev->subdev_dev[hw_idx]; |
| } |
| EXPORT_SYMBOL(mtk_vcodec_get_hw_dev); |
| |
| void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dec_dev *vdec_dev, |
| struct mtk_vcodec_dec_ctx *ctx, int hw_idx) |
| { |
| unsigned long flags; |
| struct mtk_vdec_hw_dev *subdev_dev; |
| |
| spin_lock_irqsave(&vdec_dev->irqlock, flags); |
| if (vdec_dev->vdec_pdata->is_subdev_supported) { |
| subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); |
| if (!subdev_dev) { |
| dev_err(&vdec_dev->plat_dev->dev, "Failed to get hw dev"); |
| spin_unlock_irqrestore(&vdec_dev->irqlock, flags); |
| return; |
| } |
| subdev_dev->curr_ctx = ctx; |
| } else { |
| vdec_dev->curr_ctx = ctx; |
| } |
| spin_unlock_irqrestore(&vdec_dev->irqlock, flags); |
| } |
| EXPORT_SYMBOL(mtk_vcodec_set_curr_ctx); |
| |
| struct mtk_vcodec_dec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dec_dev *vdec_dev, |
| unsigned int hw_idx) |
| { |
| unsigned long flags; |
| struct mtk_vcodec_dec_ctx *ctx; |
| struct mtk_vdec_hw_dev *subdev_dev; |
| |
| spin_lock_irqsave(&vdec_dev->irqlock, flags); |
| if (vdec_dev->vdec_pdata->is_subdev_supported) { |
| subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); |
| if (!subdev_dev) { |
| dev_err(&vdec_dev->plat_dev->dev, "Failed to get hw dev"); |
| spin_unlock_irqrestore(&vdec_dev->irqlock, flags); |
| return NULL; |
| } |
| ctx = subdev_dev->curr_ctx; |
| } else { |
| ctx = vdec_dev->curr_ctx; |
| } |
| spin_unlock_irqrestore(&vdec_dev->irqlock, flags); |
| return ctx; |
| } |
| EXPORT_SYMBOL(mtk_vcodec_get_curr_ctx); |
| |
| MODULE_LICENSE("GPL v2"); |
| MODULE_DESCRIPTION("Mediatek video codec driver"); |