![Mauro Carvalho Chehab](/assets/img/avatar_default.png)
-----BEGIN PGP SIGNATURE----- iQFSBAABCAA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAlz8fAYeHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiG1asH/3ySguxqtqL1MCBa 4/SZ37PHeWKMerfX6ZyJdgEqK3B+PWlmuLiOMNK5h2bPLzeQQQAmHU/mfKmpXqgB dHwUbG9yNnyUtTfsfRqAnCA6vpuw9Yb1oIzTCVQrgJLSWD0j7scBBvmzYqguOkto ThwigLUq3AILr8EfR4rh+GM+5Dn9OTEFAxwil9fPHQo7QoczwZxpURhScT6Co9TB DqLA3fvXbBvLs/CZy/S5vKM9hKzC+p39ApFTURvFPrelUVnythAM0dPDJg3pIn5u g+/+gDxDFa+7ANxvxO2ng1sJPDqJMeY/xmjJYlYyLpA33B7zLNk2vDHhAP06VTtr XCMhQ9s= =cb80 -----END PGP SIGNATURE----- Merge tag 'v5.2-rc4' into media/master There are some conflicts due to SPDX changes. We also have more patches being merged via media tree touching them. So, let's merge back from upstream and address those. Linux 5.2-rc4 * tag 'v5.2-rc4': (767 commits) Linux 5.2-rc4 MAINTAINERS: Karthikeyan Ramasubramanian is MIA i2c: xiic: Add max_read_len quirk lockref: Limit number of cmpxchg loop retries uaccess: add noop untagged_addr definition x86/insn-eval: Fix use-after-free access to LDT entry kbuild: use more portable 'command -v' for cc-cross-prefix s390/unwind: correct stack switching during unwind block, bfq: add weight symlink to the bfq.weight cgroup parameter cgroup: let a symlink too be created with a cftype file drm/nouveau/secboot/gp10[2467]: support newer FW to fix SEC2 failures on some boards drm/nouveau/secboot: enable loading of versioned LS PMU/SEC2 ACR msgqueue FW drm/nouveau/secboot: split out FW version-specific LS function pointers drm/nouveau/secboot: pass max supported FW version to LS load funcs drm/nouveau/core: support versioned firmware loading drm/nouveau/core: pass subdev into nvkm_firmware_get, rather than device block: free sched's request pool in blk_cleanup_queue pktgen: do not sleep with the thread lock held. net: mvpp2: Use strscpy to handle stat strings net: rds: fix memory leak in rds_ib_flush_mr_pool ... Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2016 MediaTek Inc.
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* Author: PC Chen <pc.chen@mediatek.com>
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* Tiffany Lin <tiffany.lin@mediatek.com>
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*/
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#include <linux/module.h>
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#include "mtk_vcodec_drv.h"
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#include "mtk_vcodec_util.h"
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#include "mtk_vpu.h"
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/* For encoder, this will enable logs in venc/*/
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bool mtk_vcodec_dbg;
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EXPORT_SYMBOL(mtk_vcodec_dbg);
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/* The log level of v4l2 encoder or decoder driver.
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* That is, files under mtk-vcodec/.
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*/
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int mtk_v4l2_dbg_level;
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EXPORT_SYMBOL(mtk_v4l2_dbg_level);
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void __iomem *mtk_vcodec_get_reg_addr(struct mtk_vcodec_ctx *data,
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unsigned int reg_idx)
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{
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struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data;
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if (!data || reg_idx >= NUM_MAX_VCODEC_REG_BASE) {
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mtk_v4l2_err("Invalid arguments, reg_idx=%d", reg_idx);
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return NULL;
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}
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return ctx->dev->reg_base[reg_idx];
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}
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EXPORT_SYMBOL(mtk_vcodec_get_reg_addr);
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int mtk_vcodec_mem_alloc(struct mtk_vcodec_ctx *data,
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struct mtk_vcodec_mem *mem)
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{
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unsigned long size = mem->size;
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struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data;
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struct device *dev = &ctx->dev->plat_dev->dev;
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mem->va = dma_alloc_coherent(dev, size, &mem->dma_addr, GFP_KERNEL);
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if (!mem->va) {
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mtk_v4l2_err("%s dma_alloc size=%ld failed!", dev_name(dev),
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size);
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return -ENOMEM;
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}
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mtk_v4l2_debug(3, "[%d] - va = %p", ctx->id, mem->va);
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mtk_v4l2_debug(3, "[%d] - dma = 0x%lx", ctx->id,
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(unsigned long)mem->dma_addr);
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mtk_v4l2_debug(3, "[%d] size = 0x%lx", ctx->id, size);
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return 0;
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}
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EXPORT_SYMBOL(mtk_vcodec_mem_alloc);
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void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data,
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struct mtk_vcodec_mem *mem)
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{
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unsigned long size = mem->size;
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struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data;
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struct device *dev = &ctx->dev->plat_dev->dev;
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if (!mem->va) {
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mtk_v4l2_err("%s dma_free size=%ld failed!", dev_name(dev),
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size);
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return;
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}
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mtk_v4l2_debug(3, "[%d] - va = %p", ctx->id, mem->va);
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mtk_v4l2_debug(3, "[%d] - dma = 0x%lx", ctx->id,
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(unsigned long)mem->dma_addr);
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mtk_v4l2_debug(3, "[%d] size = 0x%lx", ctx->id, size);
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dma_free_coherent(dev, size, mem->va, mem->dma_addr);
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mem->va = NULL;
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mem->dma_addr = 0;
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mem->size = 0;
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}
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EXPORT_SYMBOL(mtk_vcodec_mem_free);
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void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *dev,
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struct mtk_vcodec_ctx *ctx)
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{
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unsigned long flags;
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spin_lock_irqsave(&dev->irqlock, flags);
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dev->curr_ctx = ctx;
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spin_unlock_irqrestore(&dev->irqlock, flags);
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}
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EXPORT_SYMBOL(mtk_vcodec_set_curr_ctx);
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struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *dev)
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{
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unsigned long flags;
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struct mtk_vcodec_ctx *ctx;
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spin_lock_irqsave(&dev->irqlock, flags);
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ctx = dev->curr_ctx;
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spin_unlock_irqrestore(&dev->irqlock, flags);
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return ctx;
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}
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EXPORT_SYMBOL(mtk_vcodec_get_curr_ctx);
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MODULE_LICENSE("GPL v2");
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MODULE_DESCRIPTION("Mediatek video codec driver");
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