C++ (Cpp) mipi_dsih_dcs_rd_cmd示例

示例#1

文件： sprdfb_dsi.c 项目： FyFyVy/android_kernel_samsung_j13g

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;
}

示例#2

文件： sprdfb_dsi.c 项目： yourfrienddhruv/zen_u105_uboot

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;
}