linux/drivers/media/platform/mediatek/vcodec/mtk_vcodec_fw_scp.c
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   1// SPDX-License-Identifier: GPL-2.0
   2
   3#include "mtk_vcodec_fw_priv.h"
   4#include "mtk_vcodec_util.h"
   5#include "mtk_vcodec_drv.h"
   6
   7static int mtk_vcodec_scp_load_firmware(struct mtk_vcodec_fw *fw)
   8{
   9        return rproc_boot(scp_get_rproc(fw->scp));
  10}
  11
  12static unsigned int mtk_vcodec_scp_get_vdec_capa(struct mtk_vcodec_fw *fw)
  13{
  14        return scp_get_vdec_hw_capa(fw->scp);
  15}
  16
  17static unsigned int mtk_vcodec_scp_get_venc_capa(struct mtk_vcodec_fw *fw)
  18{
  19        return scp_get_venc_hw_capa(fw->scp);
  20}
  21
  22static void *mtk_vcodec_vpu_scp_dm_addr(struct mtk_vcodec_fw *fw,
  23                                        u32 dtcm_dmem_addr)
  24{
  25        return scp_mapping_dm_addr(fw->scp, dtcm_dmem_addr);
  26}
  27
  28static int mtk_vcodec_scp_set_ipi_register(struct mtk_vcodec_fw *fw, int id,
  29                                           mtk_vcodec_ipi_handler handler,
  30                                           const char *name, void *priv)
  31{
  32        return scp_ipi_register(fw->scp, id, handler, priv);
  33}
  34
  35static int mtk_vcodec_scp_ipi_send(struct mtk_vcodec_fw *fw, int id, void *buf,
  36                                   unsigned int len, unsigned int wait)
  37{
  38        return scp_ipi_send(fw->scp, id, buf, len, wait);
  39}
  40
  41static void mtk_vcodec_scp_release(struct mtk_vcodec_fw *fw)
  42{
  43        scp_put(fw->scp);
  44}
  45
  46static const struct mtk_vcodec_fw_ops mtk_vcodec_rproc_msg = {
  47        .load_firmware = mtk_vcodec_scp_load_firmware,
  48        .get_vdec_capa = mtk_vcodec_scp_get_vdec_capa,
  49        .get_venc_capa = mtk_vcodec_scp_get_venc_capa,
  50        .map_dm_addr = mtk_vcodec_vpu_scp_dm_addr,
  51        .ipi_register = mtk_vcodec_scp_set_ipi_register,
  52        .ipi_send = mtk_vcodec_scp_ipi_send,
  53        .release = mtk_vcodec_scp_release,
  54};
  55
  56struct mtk_vcodec_fw *mtk_vcodec_fw_scp_init(struct mtk_vcodec_dev *dev)
  57{
  58        struct mtk_vcodec_fw *fw;
  59        struct mtk_scp *scp;
  60
  61        scp = scp_get(dev->plat_dev);
  62        if (!scp) {
  63                mtk_v4l2_err("could not get vdec scp handle");
  64                return ERR_PTR(-EPROBE_DEFER);
  65        }
  66
  67        fw = devm_kzalloc(&dev->plat_dev->dev, sizeof(*fw), GFP_KERNEL);
  68        fw->type = SCP;
  69        fw->ops = &mtk_vcodec_rproc_msg;
  70        fw->scp = scp;
  71
  72        return fw;
  73}
  74