static int mipid_bl_update_status(struct backlight_device *bl)
{
	u32 buf;
	int brightness = bl->props.brightness;
	struct mipi_dsi_info *mipi_dsi = bl_get_data(bl);

	if (bl->props.power != FB_BLANK_UNBLANK ||
	    bl->props.fb_blank != FB_BLANK_UNBLANK)
		brightness = 0;

	buf = HX8369_CMD_WRT_DISP_BRIGHT |
			((brightness & HX8369BL_MAX_BRIGHT) << 8);
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM,
		&buf, 0);

	hx8369bl_brightness = brightness & HX8369BL_MAX_BRIGHT;

	dev_dbg(&bl->dev, "mipid backlight bringtness:%d.\n", brightness);
	return 0;
}
int mipid_hx8369_lcd_setup(struct mipi_dsi_info *mipi_dsi)
{
	u32 buf[DSI_CMD_BUF_MAXSIZE];
	int err;

	dev_dbg(&mipi_dsi->pdev->dev, "MIPI DSI LCD setup.\n");
	buf[0] = HX8369_CMD_SETEXTC | (HX8369_CMD_SETEXTC_PARAM_1 << 8);
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE,
					buf, HX8369_CMD_SETEXTC_LEN);
	CHECK_RETCODE(err);
	buf[0] = MIPI_DSI_MAX_RET_PACK_SIZE;
	err = mipi_dsi_pkt_write(mipi_dsi,
				MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE,
				buf, 0);
	CHECK_RETCODE(err);
	buf[0] = HX8369_CMD_GETHXID;
	err =  mipi_dsi_pkt_read(mipi_dsi,
			MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM,
			buf, HX8369_CMD_GETHXID_LEN);
	if (!err && ((buf[0] & HX8369_ID_MASK) == HX8369_ID)) {
		dev_info(&mipi_dsi->pdev->dev,
				"MIPI DSI LCD ID:0x%x.\n", buf[0]);
	} else {
		dev_err(&mipi_dsi->pdev->dev,
			"mipi_dsi_pkt_read err:%d, data:0x%x.\n",
			err, buf[0]);
		dev_info(&mipi_dsi->pdev->dev,
				"MIPI DSI LCD not detected!\n");
		return err;
	}

	/* set LCD resolution as 480RGBx800, DPI interface,
	 * display operation mode: RGB data bypass GRAM mode.
	 */
	buf[0] = HX8369_CMD_SETDISP | (HX8369_CMD_SETDISP_1_HALT << 8) |
			(HX8369_CMD_SETDISP_2_RES_MODE << 16) |
			(HX8369_CMD_SETDISP_3_BP << 24);
	buf[1] = HX8369_CMD_SETDISP_4_FP | (HX8369_CMD_SETDISP_5_SAP << 8) |
			 (HX8369_CMD_SETDISP_6_GENON << 16) |
			 (HX8369_CMD_SETDISP_7_GENOFF << 24);
	buf[2] = HX8369_CMD_SETDISP_8_RTN | (HX8369_CMD_SETDISP_9_TEI << 8) |
			 (HX8369_CMD_SETDISP_10_TEP_UP << 16) |
			 (HX8369_CMD_SETDISP_11_TEP_LOW << 24);
	buf[3] = HX8369_CMD_SETDISP_12_BP_PE |
			(HX8369_CMD_SETDISP_13_FP_PE << 8) |
			 (HX8369_CMD_SETDISP_14_RTN_PE << 16) |
			 (HX8369_CMD_SETDISP_15_GON << 24);
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE,
						buf, HX8369_CMD_SETDISP_LEN);
	CHECK_RETCODE(err);

	/* Set display waveform cycle */
	buf[0] = HX8369_CMD_SETCYC | (HX8369_CMD_SETCYC_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETCYC_PARAM_2;
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE,
						buf, HX8369_CMD_SETCYC_LEN);
	CHECK_RETCODE(err);

	/* Set GIP timing output control */
	buf[0] = HX8369_CMD_SETGIP | (HX8369_CMD_SETGIP_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETGIP_PARAM_2;
	buf[2] = HX8369_CMD_SETGIP_PARAM_3;
	buf[3] = HX8369_CMD_SETGIP_PARAM_4;
	buf[4] = HX8369_CMD_SETGIP_PARAM_5;
	buf[5] = HX8369_CMD_SETGIP_PARAM_6;
	buf[6] = HX8369_CMD_SETGIP_PARAM_7;
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE, buf,
				HX8369_CMD_SETGIP_LEN);
	CHECK_RETCODE(err);

	/* Set power: standby, DC etc. */
	buf[0] = HX8369_CMD_SETPOWER | (HX8369_CMD_SETPOWER_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETPOWER_PARAM_2;
	buf[2] = HX8369_CMD_SETPOWER_PARAM_3;
	buf[3] = HX8369_CMD_SETPOWER_PARAM_4;
	buf[4] = HX8369_CMD_SETPOWER_PARAM_5;
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE, buf,
				HX8369_CMD_SETPOWER_LEN);
	CHECK_RETCODE(err);

	/* Set VCOM voltage. */
	buf[0] = HX8369_CMD_SETVCOM | (HX8369_CMD_SETVCOM_PARAM_1 << 8);
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE, buf,
				HX8369_CMD_SETVCOM_LEN);
	CHECK_RETCODE(err);

	/* Set Panel: BGR/RGB or Inversion. */
	buf[0] = HX8369_CMD_SETPANEL | (HX8369_CMD_SETPANEL_PARAM_1 << 8);
	err = mipi_dsi_pkt_write(mipi_dsi,
		MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM, buf, 0);
	CHECK_RETCODE(err);

	/* Set gamma curve related setting */
	buf[0] = HX8369_CMD_SETGAMMA | (HX8369_CMD_SETGAMMA_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETGAMMA_PARAM_2;
	buf[2] = HX8369_CMD_SETGAMMA_PARAM_3;
	buf[3] = HX8369_CMD_SETGAMMA_PARAM_4;
	buf[4] = HX8369_CMD_SETGAMMA_PARAM_5;
	buf[5] = HX8369_CMD_SETGAMMA_PARAM_6;
	buf[7] = HX8369_CMD_SETGAMMA_PARAM_7;
	buf[7] = HX8369_CMD_SETGAMMA_PARAM_8;
	buf[8] = HX8369_CMD_SETGAMMA_PARAM_9;
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE, buf,
				HX8369_CMD_SETGAMMA_LEN);
	CHECK_RETCODE(err);

	/* Set MIPI: DPHYCMD & DSICMD, data lane number */
	buf[0] = HX8369_CMD_SETMIPI | (HX8369_CMD_SETMIPI_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETMIPI_PARAM_2;
	buf[2] = HX8369_CMD_SETMIPI_PARAM_3;
	if (lcd_config.data_lane_num == HX8369_ONE_DATA_LANE)
		buf[2] |= HX8369_CMD_SETMIPI_ONELANE;
	else
		buf[2] |= HX8369_CMD_SETMIPI_TWOLANE;
	buf[3] = HX8369_CMD_SETMIPI_PARAM_4;
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE, buf,
				HX8369_CMD_SETMIPI_LEN);
	CHECK_RETCODE(err);

	/* Set pixel format:24bpp */
	buf[0] = HX8369_CMD_SETPIXEL_FMT;
	switch (lcd_config.dpi_fmt) {
	case MIPI_RGB565_PACKED:
	case MIPI_RGB565_LOOSELY:
	case MIPI_RGB565_CONFIG3:
		buf[0] |= (HX8369_CMD_SETPIXEL_FMT_16BPP << 8);
		break;

	case MIPI_RGB666_LOOSELY:
	case MIPI_RGB666_PACKED:
		buf[0] |= (HX8369_CMD_SETPIXEL_FMT_18BPP << 8);
		break;

	case MIPI_RGB888:
		buf[0] |= (HX8369_CMD_SETPIXEL_FMT_24BPP << 8);
		break;

	default:
		buf[0] |= (HX8369_CMD_SETPIXEL_FMT_24BPP << 8);
		break;
	}
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM,
			buf, 0);
	CHECK_RETCODE(err);

	/* Set column address: 0~479 */
	buf[0] = HX8369_CMD_SETCLUMN_ADDR |
		(HX8369_CMD_SETCLUMN_ADDR_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETCLUMN_ADDR_PARAM_2;
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE,
				buf, HX8369_CMD_SETCLUMN_ADDR_LEN);
	CHECK_RETCODE(err);

	/* Set page address: 0~799 */
	buf[0] = HX8369_CMD_SETPAGE_ADDR |
		(HX8369_CMD_SETPAGE_ADDR_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETPAGE_ADDR_PARAM_2;
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE,
					buf, HX8369_CMD_SETPAGE_ADDR_LEN);
	CHECK_RETCODE(err);

	/* Set display brightness related */
	buf[0] = HX8369_CMD_WRT_DISP_BRIGHT |
			(HX8369_CMD_WRT_DISP_BRIGHT_PARAM_1 << 8);
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM,
		buf, 0);
	CHECK_RETCODE(err);

	buf[0] = HX8369_CMD_WRT_CABC_CTRL |
		(HX8369_CMD_WRT_CABC_CTRL_PARAM_1 << 8);
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM,
		buf, 0);
	CHECK_RETCODE(err);

	buf[0] = HX8369_CMD_WRT_CTRL_DISP |
		(HX8369_CMD_WRT_CTRL_DISP_PARAM_1 << 8);
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM,
		buf, 0);
	CHECK_RETCODE(err);

	/* exit sleep mode and set display on */
	buf[0] = MIPI_DCS_EXIT_SLEEP_MODE;
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM,
		buf, 0);
	CHECK_RETCODE(err);
	/* To allow time for the supply voltages
	 * and clock circuits to stabilize.
	 */
	msleep(5);
	buf[0] = MIPI_DCS_SET_DISPLAY_ON;
	err = mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM,
		buf, 0);
	CHECK_RETCODE(err);

	err = mipid_init_backlight(mipi_dsi);
	return err;
}
Exemple #3
0
int mipid_hx8369_lcd_setup(struct mipi_dsi_info *mipi_dsi)
{
	u32 buf[DSI_CMD_BUF_MAXSIZE];
	int err;

	buf[0] = HX8369_CMD_SETEXTC | (HX8369_CMD_SETEXTC_PARAM_1 << 8);
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE,
						buf, HX8369_CMD_SETEXTC_LEN);
	/* set LCD resolution as 480RGBx800, DPI interface,
	 * display operation mode: RGB data bypass GRAM mode.
	 */
	buf[0] = HX8369_CMD_SETDISP | (HX8369_CMD_SETDISP_1_HALT << 8) |
			(HX8369_CMD_SETDISP_2_RES_MODE << 16) |
			(HX8369_CMD_SETDISP_3_BP << 24);
	buf[1] = HX8369_CMD_SETDISP_4_FP | (HX8369_CMD_SETDISP_5_SAP << 8) |
			 (HX8369_CMD_SETDISP_6_GENON << 16) |
			 (HX8369_CMD_SETDISP_7_GENOFF << 24);
	buf[2] = HX8369_CMD_SETDISP_8_RTN | (HX8369_CMD_SETDISP_9_TEI << 8) |
			 (HX8369_CMD_SETDISP_10_TEP_UP << 16) |
			 (HX8369_CMD_SETDISP_11_TEP_LOW << 24);
	buf[3] = HX8369_CMD_SETDISP_12_BP_PE |
			(HX8369_CMD_SETDISP_13_FP_PE << 8) |
			 (HX8369_CMD_SETDISP_14_RTN_PE << 16) |
			 (HX8369_CMD_SETDISP_15_GON << 24);
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE,
						buf, HX8369_CMD_SETDISP_LEN);
	/* Set display waveform cycle */
	buf[0] = HX8369_CMD_SETCYC | (HX8369_CMD_SETCYC_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETCYC_PARAM_2;
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE,
						buf, HX8369_CMD_SETCYC_LEN);

	/* Set GIP timing output control */
	buf[0] = HX8369_CMD_SETGIP | (HX8369_CMD_SETGIP_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETGIP_PARAM_2;
	buf[2] = HX8369_CMD_SETGIP_PARAM_3;
	buf[3] = HX8369_CMD_SETGIP_PARAM_4;
	buf[4] = HX8369_CMD_SETGIP_PARAM_5;
	buf[5] = HX8369_CMD_SETGIP_PARAM_6;
	buf[6] = HX8369_CMD_SETGIP_PARAM_7;
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE, buf,
				HX8369_CMD_SETGIP_LEN);

	/* Set power: standby, DC etc. */
	buf[0] = HX8369_CMD_SETPOWER | (HX8369_CMD_SETPOWER_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETPOWER_PARAM_2;
	buf[2] = HX8369_CMD_SETPOWER_PARAM_3;
	buf[3] = HX8369_CMD_SETPOWER_PARAM_4;
	buf[4] = HX8369_CMD_SETPOWER_PARAM_5;
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE, buf,
				HX8369_CMD_SETPOWER_LEN);

	/* Set VCOM voltage. */
	buf[0] = HX8369_CMD_SETVCOM | (HX8369_CMD_SETVCOM_PARAM_1 << 8);
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE, buf,
				HX8369_CMD_SETVCOM_LEN);

	/* Set Panel: BGR/RGB or Inversion. */
	buf[0] = HX8369_CMD_SETPANEL | (HX8369_CMD_SETPANEL_PARAM_1 << 8);
	mipi_dsi_pkt_write(mipi_dsi,
		MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM, buf, 0);

	/* Set gamma curve related setting */
	buf[0] = HX8369_CMD_SETGAMMA | (HX8369_CMD_SETGAMMA_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETGAMMA_PARAM_2;
	buf[2] = HX8369_CMD_SETGAMMA_PARAM_3;
	buf[3] = HX8369_CMD_SETGAMMA_PARAM_4;
	buf[4] = HX8369_CMD_SETGAMMA_PARAM_5;
	buf[5] = HX8369_CMD_SETGAMMA_PARAM_6;
	buf[7] = HX8369_CMD_SETGAMMA_PARAM_7;
	buf[7] = HX8369_CMD_SETGAMMA_PARAM_8;
	buf[8] = HX8369_CMD_SETGAMMA_PARAM_9;
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE, buf,
				HX8369_CMD_SETGAMMA_LEN);

	/* Set MIPI: DPHYCMD & DSICMD, data lane number */
	buf[0] = HX8369_CMD_SETMIPI | (HX8369_CMD_SETMIPI_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETMIPI_PARAM_2;
	buf[2] = HX8369_CMD_SETMIPI_PARAM_3;
	if (lcd_config.data_lane_num == HX8369_ONE_DATA_LANE)
		buf[2] |= HX8369_CMD_SETMIPI_ONELANE;
	else
		buf[2] |= HX8369_CMD_SETMIPI_TWOLANE;
	buf[3] = HX8369_CMD_SETMIPI_PARAM_4;
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE, buf,
				HX8369_CMD_SETMIPI_LEN);

	/* Set pixel format:24bpp */
	buf[0] = HX8369_CMD_SETPIXEL_FMT;
	switch (lcd_config.dpi_fmt) {
	case MIPI_RGB565_PACKED:
	case MIPI_RGB565_LOOSELY:
	case MIPI_RGB565_CONFIG3:
		buf[0] |= (HX8369_CMD_SETPIXEL_FMT_16BPP << 8);
		break;

	case MIPI_RGB666_LOOSELY:
	case MIPI_RGB666_PACKED:
		buf[0] |= (HX8369_CMD_SETPIXEL_FMT_18BPP << 8);
		break;

	case MIPI_RGB888:
		buf[0] |= (HX8369_CMD_SETPIXEL_FMT_24BPP << 8);
		break;

	default:
		buf[0] |= (HX8369_CMD_SETPIXEL_FMT_24BPP << 8);
		break;
	}
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM,
			buf, 0);

	/* Set column address: 0~479 */
	buf[0] = HX8369_CMD_SETCLUMN_ADDR |
		(HX8369_CMD_SETCLUMN_ADDR_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETCLUMN_ADDR_PARAM_2;
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE,
				buf, HX8369_CMD_SETCLUMN_ADDR_LEN);

	/* Set page address: 0~799 */
	buf[0] = HX8369_CMD_SETPAGE_ADDR |
		(HX8369_CMD_SETPAGE_ADDR_PARAM_1 << 8);
	buf[1] = HX8369_CMD_SETPAGE_ADDR_PARAM_2;
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_LONG_WRITE,
					buf, HX8369_CMD_SETPAGE_ADDR_LEN);

	/* Set display brightness related */
	buf[0] = HX8369_CMD_WRT_DISP_BRIGHT |
			(HX8369_CMD_WRT_DISP_BRIGHT_PARAM_1 << 8);
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM,
		buf, 0);

	buf[0] = HX8369_CMD_WRT_CABC_CTRL |
		(HX8369_CMD_WRT_CABC_CTRL_PARAM_1 << 8);
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM,
		buf, 0);

	buf[0] = HX8369_CMD_WRT_CTRL_DISP |
		(HX8369_CMD_WRT_CTRL_DISP_PARAM_1 << 8);
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM,
		buf, 0);

	/* exit sleep mode and set display on */
	buf[0] = MIPI_DCS_EXIT_SLEEP_MODE;
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM,
		buf, 0);

	buf[0] = MIPI_DCS_SET_DISPLAY_ON;
	mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM,
		buf, 0);

	err = mipid_init_backlight(mipi_dsi);
	return err;
}