static int32_t sprdfb_dsi_dcs_read(uint8_t command, uint8_t bytes_to_read, uint8_t *read_buffer)
{
uint16_t result;
uint32_t reg_val, reg_val_1, reg_val_2;
result = mipi_dsih_dcs_rd_cmd(&(dsi_ctx.dsi_inst), 0, command, bytes_to_read, read_buffer);
reg_val = dispc_glb_read(SPRD_MIPI_DSIC_BASE + R_DSI_HOST_PHY_STATUS);
#ifdef FB_DSIH_VERSION_1P21A
reg_val_1 = dispc_glb_read(SPRD_MIPI_DSIC_BASE + R_DSI_HOST_INT_ST0);
reg_val_2 = dispc_glb_read(SPRD_MIPI_DSIC_BASE + R_DSI_HOST_INT_ST1);
#else
reg_val_1 = dispc_glb_read(SPRD_MIPI_DSIC_BASE + R_DSI_HOST_ERROR_ST0);
reg_val_2 = dispc_glb_read(SPRD_MIPI_DSIC_BASE + R_DSI_HOST_ERROR_ST1);
#endif
if(0 != (reg_val & 0x2)){
printk("sprdfb: [%s] mipi read hang (0x%x)!\n", __FUNCTION__, reg_val);
dsi_ctx.status = 2;
result = 0;
}
if(0 != (reg_val_1 & 0x701)){
printk("sprdfb: [%s] mipi read status error!(0x%x, 0x%x)\n", __FUNCTION__, reg_val_1, reg_val_2);
result = 0;
}
if(0 == result){
printk(KERN_ERR "sprdfb: [%s] return error (%d)\n", __FUNCTION__, result);
return -1;
}
return 0;
}
static int32_t sprdfb_dsi_dcs_read(uint8_t command, uint8_t bytes_to_read, uint8_t *read_buffer)
{
uint16_t result;
result = mipi_dsih_dcs_rd_cmd(&(dsi_ctx.dsi_inst), 0, command, bytes_to_read, read_buffer);
if(0 == result){
FB_PRINT("sprdfb: [%s] error (%d)\n", __FUNCTION__, result);
return -1;
}
return 0;
}