/*
* prepare cmd buffer to be txed
*/
int mipi_dsi_cmd_dma_add(struct dsi_buf *dp, struct dsi_cmd_desc *cm)
{
int len = 0;
switch (cm->dtype) {
case DTYPE_GEN_WRITE:
case DTYPE_GEN_WRITE1:
case DTYPE_GEN_WRITE2:
len = mipi_dsi_generic_swrite(dp, cm);
break;
case DTYPE_GEN_LWRITE:
len = mipi_dsi_generic_lwrite(dp, cm);
break;
case DTYPE_GEN_READ:
case DTYPE_GEN_READ1:
case DTYPE_GEN_READ2:
len = mipi_dsi_generic_read(dp, cm);
break;
case DTYPE_DCS_LWRITE:
len = mipi_dsi_dcs_lwrite(dp, cm);
break;
case DTYPE_DCS_WRITE:
len = mipi_dsi_dcs_swrite(dp, cm);
break;
case DTYPE_DCS_WRITE1:
len = mipi_dsi_dcs_swrite1(dp, cm);
break;
case DTYPE_DCS_READ:
len = mipi_dsi_dcs_read(dp, cm);
break;
case DTYPE_MAX_PKTSIZE:
len = mipi_dsi_set_max_pktsize(dp, cm);
break;
case DTYPE_NULL_PKT:
len = mipi_dsi_null_pkt(dp, cm);
break;
case DTYPE_BLANK_PKT:
len = mipi_dsi_blank_pkt(dp, cm);
break;
case DTYPE_CM_ON:
len = mipi_dsi_cm_on(dp, cm);
break;
case DTYPE_CM_OFF:
len = mipi_dsi_cm_off(dp, cm);
break;
case DTYPE_PERIPHERAL_ON:
len = mipi_dsi_peripheral_on(dp, cm);
break;
case DTYPE_PERIPHERAL_OFF:
len = mipi_dsi_peripheral_off(dp, cm);
break;
default:
printk("%s: dtype=%x NOT supported\n",
__func__, cm->dtype);
break;
}
return len;
}
static int s6e8aa0_dcs_read(struct s6e8aa0 *ctx, u8 cmd, void *data, size_t len)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
int ret;
if (ctx->error < 0)
return ctx->error;
ret = mipi_dsi_dcs_read(dsi, dsi->channel, cmd, data, len);
if (ret < 0) {
dev_err(ctx->dev, "error %d reading dcs seq(%#x)\n", ret, cmd);
ctx->error = ret;
}
return ret;
}
