drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_scp.c

   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
   7 static int mtk_vcodec_scp_load_firmware(struct mtk_vcodec_fw *fw)
   8 {
   9         return rproc_boot(scp_get_rproc(fw->scp));
  10 }
  11
  12 static 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
  17 static 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
  22 static 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
  28 static 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
  35 static 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
  41 static void mtk_vcodec_scp_release(struct mtk_vcodec_fw *fw)
  42 {
  43         scp_put(fw->scp);
  44 }
  45
  46 static 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
  56 struct 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 }