diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/Makefile | 1 | ||||
| -rw-r--r-- | drivers/video/l5f31188.c | 192 |
2 files changed, 193 insertions, 0 deletions
diff --git a/drivers/video/Makefile b/drivers/video/Makefile index f1fb26c..6dee1e9 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -19,6 +19,7 @@ COBJS-$(CONFIG_EXYNOS_MIPI_DSIM) += exynos_mipi_dsi.o exynos_mipi_dsi_common.o \ exynos_mipi_dsi_lowlevel.o COBJS-$(CONFIG_EXYNOS_PWM_BL) += exynos_pwm_bl.o COBJS-$(CONFIG_FSL_DIU_FB) += fsl_diu_fb.o videomodes.o +COBJS-$(CONFIG_L5F31188) += l5f31188.o COBJS-$(CONFIG_MPC8XX_LCD) += mpc8xx_lcd.o COBJS-$(CONFIG_PXA_LCD) += pxa_lcd.o COBJS-$(CONFIG_S6E8AX0) += s6e8ax0.o diff --git a/drivers/video/l5f31188.c b/drivers/video/l5f31188.c new file mode 100644 index 0000000..3312dcf --- /dev/null +++ b/drivers/video/l5f31188.c @@ -0,0 +1,192 @@ +/* + * Copyright (c) 2013 Samsung Electronics Co., Ltd. All rights reserved. + * Hyungwon Hwang <human.hwang@samsung.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/mipi_dsim.h> + +#define SCAN_FROM_LEFT_TO_RIGHT 0 +#define SCAN_FROM_RIGHT_TO_LEFT 1 +#define SCAN_FROM_TOP_TO_BOTTOM 0 +#define SCAN_FROM_BOTTOM_TO_TOP 1 + +static void l5f31188_sleep_in(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops) +{ + ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE, 0x10, 0x00); +} + +static void l5f31188_sleep_out(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops) +{ + ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE, 0x11, 0x00); +} + +static void l5f31188_set_gamma(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops) +{ + ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE, 0x26, 0x00); +} + +static void l5f31188_display_off(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops) +{ + ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE, 0x28, 0x00); +} + +static void l5f31188_display_on(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops) +{ + ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE, 0x29, 0x00); +} + +static void l5f31188_ctl_memory_access(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops, + int h_direction, int v_direction) +{ + ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0x36, + (((h_direction & 0x1) << 1) | (v_direction & 0x1))); +} + +static void l5f31188_set_pixel_format(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops) +{ + ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0x3A, 0x70); +} + +static void l5f31188_write_disbv(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops, unsigned int brightness) +{ + ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0x51, brightness); +} + +static void l5f31188_write_ctrld(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops) +{ + ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0x53, 0x2C); +} + +static void l5f31188_write_cabc(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops, + unsigned int wm_mode) +{ + ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0x55, wm_mode); +} + +static void l5f31188_write_cabcmb(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops, unsigned int min_brightness) +{ + ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0x5E, + min_brightness); +} + +static void l5f31188_set_extension(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops) +{ + const unsigned char data_to_send[] = { + 0xB9, 0xFF, 0x83, 0x94 + }; + + ops->cmd_write(dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void l5f31188_set_dgc_lut(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops) +{ + const unsigned char data_to_send[] = { + 0xC1, 0x01, 0x00, 0x04, 0x0E, 0x18, 0x1E, 0x26, + 0x2F, 0x36, 0x3E, 0x47, 0x4E, 0x56, 0x5D, 0x65, + 0x6D, 0x75, 0x7D, 0x84, 0x8C, 0x94, 0x9C, 0xA4, + 0xAD, 0xB5, 0xBD, 0xC5, 0xCC, 0xD4, 0xDE, 0xE5, + 0xEE, 0xF7, 0xFF, 0x3F, 0x9A, 0xCE, 0xD4, 0x21, + 0xA1, 0x26, 0x54, 0x00, 0x00, 0x04, 0x0E, 0x19, + 0x1F, 0x27, 0x30, 0x37, 0x40, 0x48, 0x50, 0x58, + 0x60, 0x67, 0x6F, 0x77, 0x7F, 0x87, 0x8F, 0x97, + 0x9F, 0xA7, 0xB0, 0xB8, 0xC0, 0xC8, 0xCE, 0xD8, + 0xE0, 0xE7, 0xF0, 0xF7, 0xFF, 0x3C, 0xEB, 0xFD, + 0x2F, 0x66, 0xA8, 0x2C, 0x46, 0x00, 0x00, 0x04, + 0x0E, 0x18, 0x1E, 0x26, 0x30, 0x38, 0x41, 0x4A, + 0x52, 0x5A, 0x62, 0x6B, 0x73, 0x7B, 0x83, 0x8C, + 0x94, 0x9C, 0xA5, 0xAD, 0xB6, 0xBD, 0xC5, 0xCC, + 0xD4, 0xDD, 0xE3, 0xEB, 0xF2, 0xF9, 0xFF, 0x3F, + 0xA4, 0x8A, 0x8F, 0xC7, 0x33, 0xF5, 0xE9, 0x00 + }; + ops->cmd_write(dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void l5f31188_set_tcon(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops) +{ + const unsigned char data_to_send[] = { + 0xC7, 0x00, 0x20 + }; + ops->cmd_write(dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void l5f31188_set_ptba(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops) +{ + const unsigned char data_to_send[] = { + 0xBF, 0x06, 0x10 + }; + ops->cmd_write(dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void l5f31188_set_eco(struct mipi_dsim_device *dev, + struct mipi_dsim_master_ops *ops) +{ + ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0xC6, 0x0C); +} + +static int l5f31188_panel_init(struct mipi_dsim_device *dev) +{ + struct mipi_dsim_master_ops *ops = dev->master_ops; + + l5f31188_set_extension(dev, ops); + l5f31188_set_dgc_lut(dev, ops); + + l5f31188_set_eco(dev, ops); + l5f31188_set_tcon(dev, ops); + l5f31188_set_ptba(dev, ops); + l5f31188_set_gamma(dev, ops); + l5f31188_ctl_memory_access(dev, ops, + SCAN_FROM_LEFT_TO_RIGHT, SCAN_FROM_TOP_TO_BOTTOM); + l5f31188_set_pixel_format(dev, ops); + l5f31188_write_disbv(dev, ops, 0xFF); + l5f31188_write_ctrld(dev, ops); + l5f31188_write_cabc(dev, ops, 0x0); + l5f31188_write_cabcmb(dev, ops, 0x0); + + l5f31188_sleep_out(dev, ops); + + /* 120 msec */ + udelay(120 * 1000); + + return 0; +} + +static void l5f31188_display_enable(struct mipi_dsim_device *dev) +{ + struct mipi_dsim_master_ops *ops = dev->master_ops; + l5f31188_display_on(dev, ops); +} + +static struct mipi_dsim_lcd_driver l5f31188_dsim_ddi_driver = { + .name = "l5f31188", + .id = -1, + + .mipi_panel_init = l5f31188_panel_init, + .mipi_display_on = l5f31188_display_enable, +}; + +void l5f31188_init(void) +{ + exynos_mipi_dsi_register_lcd_driver(&l5f31188_dsim_ddi_driver); +} |