| /* |
| * Copyright (C) 2017 Amlogic, Inc. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| * |
| * Description: |
| */ |
| #include <linux/module.h> |
| |
| #include "aml_vcodec_drv.h" |
| #include "aml_vcodec_util.h" |
| //#include "aml_vpu.h" |
| |
| /* For encoder, this will enable logs in venc/*/ |
| bool aml_vcodec_dbg; |
| EXPORT_SYMBOL(aml_vcodec_dbg); |
| |
| /* The log level of v4l2 encoder or decoder driver. |
| * That is, files under aml-vcodec/. |
| */ |
| int aml_v4l2_dbg_level; |
| EXPORT_SYMBOL(aml_v4l2_dbg_level); |
| |
| void __iomem *aml_vcodec_get_reg_addr(struct aml_vcodec_ctx *data, |
| unsigned int reg_idx) |
| { |
| struct aml_vcodec_ctx *ctx = (struct aml_vcodec_ctx *)data; |
| |
| if (!data || reg_idx >= NUM_MAX_VCODEC_REG_BASE) { |
| aml_v4l2_err("Invalid arguments, reg_idx=%d", reg_idx); |
| return NULL; |
| } |
| return ctx->dev->reg_base[reg_idx]; |
| } |
| EXPORT_SYMBOL(aml_vcodec_get_reg_addr); |
| |
| int aml_vcodec_mem_alloc(struct aml_vcodec_ctx *data, |
| struct aml_vcodec_mem *mem) |
| { |
| unsigned long size = mem->size; |
| struct aml_vcodec_ctx *ctx = (struct aml_vcodec_ctx *)data; |
| struct device *dev = &ctx->dev->plat_dev->dev; |
| |
| //mem->va = dma_alloc_coherent(dev, size, &mem->dma_addr, GFP_KERNEL); |
| mem->va = codec_mm_dma_alloc_coherent(dev_name(dev), size, |
| &mem->dma_addr, GFP_KERNEL, 0); |
| if (!mem->va) { |
| aml_v4l2_err("%s dma_alloc size=%ld failed!", dev_name(dev), |
| size); |
| return -ENOMEM; |
| } |
| |
| memset(mem->va, 0, size); |
| |
| aml_v4l2_debug(4, "[%d] - va = %p", ctx->id, mem->va); |
| aml_v4l2_debug(4, "[%d] - dma = 0x%lx", ctx->id, |
| (unsigned long)mem->dma_addr); |
| aml_v4l2_debug(4, "[%d] size = 0x%lx", ctx->id, size); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL(aml_vcodec_mem_alloc); |
| |
| void aml_vcodec_mem_free(struct aml_vcodec_ctx *data, |
| struct aml_vcodec_mem *mem) |
| { |
| unsigned long size = mem->size; |
| struct aml_vcodec_ctx *ctx = (struct aml_vcodec_ctx *)data; |
| struct device *dev = &ctx->dev->plat_dev->dev; |
| |
| if (!mem->va) { |
| aml_v4l2_err("%s dma_free size=%ld failed!", dev_name(dev), |
| size); |
| return; |
| } |
| |
| aml_v4l2_debug(4, "[%d] - va = %p", ctx->id, mem->va); |
| aml_v4l2_debug(4, "[%d] - dma = 0x%lx", ctx->id, |
| (unsigned long)mem->dma_addr); |
| aml_v4l2_debug(4, "[%d] size = 0x%lx", ctx->id, size); |
| |
| dma_free_coherent(dev, size, mem->va, mem->dma_addr); |
| mem->va = NULL; |
| mem->dma_addr = 0; |
| mem->size = 0; |
| } |
| EXPORT_SYMBOL(aml_vcodec_mem_free); |
| |
| void aml_vcodec_set_curr_ctx(struct aml_vcodec_dev *dev, |
| struct aml_vcodec_ctx *ctx) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&dev->irqlock, flags); |
| dev->curr_ctx = ctx; |
| spin_unlock_irqrestore(&dev->irqlock, flags); |
| } |
| EXPORT_SYMBOL(aml_vcodec_set_curr_ctx); |
| |
| struct aml_vcodec_ctx *aml_vcodec_get_curr_ctx(struct aml_vcodec_dev *dev) |
| { |
| unsigned long flags; |
| struct aml_vcodec_ctx *ctx; |
| |
| spin_lock_irqsave(&dev->irqlock, flags); |
| ctx = dev->curr_ctx; |
| spin_unlock_irqrestore(&dev->irqlock, flags); |
| return ctx; |
| } |
| EXPORT_SYMBOL(aml_vcodec_get_curr_ctx); |