This patch support S6E8AX0 amoled driver based on EXYNOS MIPI DSI interface.

Signed-off-by: Donghwa Lee dh09.lee@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com Signed-off-by: Inki Dae inki.dae@samsung.com --- drivers/video/s6e8ax0.c | 289 +++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 289 insertions(+), 0 deletions(-) create mode 100644 drivers/video/s6e8ax0.c

diff --git a/drivers/video/s6e8ax0.c b/drivers/video/s6e8ax0.c new file mode 100644 index 0000000..364e137 --- /dev/null +++ b/drivers/video/s6e8ax0.c @@ -0,0 +1,289 @@ +/* + * Copyright (C) 2012 Samsung Electronics + * + * Author: Donghwa Lee dh09.lee@samsung.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <lcd.h> +#include <asm/errno.h> +#include <asm/arch/dsim.h> +#include <asm/arch/mipi_dsim.h> +#include <asm/arch/power.h> +#include <asm/arch/cpu.h> +#include <linux/types.h> +#include <linux/list.h> + +#include "exynos_mipi_dsi_lowlevel.h" +#include "exynos_mipi_dsi_common.h" + +#define DSIM_PM_STABLE_TIME (10) +#define MIN_BRIGHTNESS (0) +#define MAX_BRIGHTNESS (10) + +#define lcd_to_master(a) (a->dsim_dev->master) +#define lcd_to_master_ops(a) ((lcd_to_master(a))->master_ops) + +enum { + DSIM_NONE_STATE = 0, + DSIM_RESUME_COMPLETE = 1, + DSIM_FRAME_DONE = 2, +}; + +struct s6e8ax0 { + unsigned int power; + unsigned int updated; + unsigned int gamma; + unsigned int resume_complete; + + struct mipi_dsim_lcd_device *lcd_dev; + struct lcd_platform_data *ddi_pd; +}; + +static void s6e8ax0_panel_cond(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + + const unsigned char data_to_send[] = { + 0xf8, 0x3d, 0x35, 0x00, 0x00, 0x00, 0x8d, 0x00, 0x4c, + 0x6e, 0x10, 0x27, 0x7d, 0x3f, 0x10, 0x00, 0x00, 0x20, + 0x04, 0x08, 0x6e, 0x00, 0x00, 0x00, 0x02, 0x08, 0x08, + 0x23, 0x23, 0xc0, 0xc8, 0x08, 0x48, 0xc1, 0x00, 0xc3, + 0xff, 0xff, 0xc8 + }; + + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_display_cond(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + + const unsigned char data_to_send[] = { + 0xf2, 0x80, 0x03, 0x0d + }; + + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, + ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_gamma_cond(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + + /* 7500K 2.2 Set (M3, 300cd) */ + const unsigned char data_to_send[] = { + 0xfa, 0x01, 0x0f, 0x00, 0x0f, 0xda, 0xc0, 0xe4, 0xc8, + 0xc8, 0xc6, 0xd3, 0xd6, 0xd0, 0xab, 0xb2, 0xa6, 0xbf, + 0xc2, 0xb9, 0x00, 0x93, 0x00, 0x86, 0x00, 0xd1 + }; + + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, + ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_gamma_update(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0xf7, 0x3); +} + +static void s6e8ax0_etc_source_control(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + + const unsigned char data_to_send[] = { + 0xf6, 0x00, 0x02, 0x00 + }; + + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, + ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_etc_pentile_control(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + + const unsigned char data_to_send[] = { + 0xb6, 0x0c, 0x02, 0x03, 0x32, 0xff, 0x44, 0x44, 0xc0, + 0x00 + }; + + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, + ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_etc_mipi_control1(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + + const unsigned char data_to_send[] = { + 0xe1, 0x10, 0x1c, 0x17, 0x08, 0x1d + }; + + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, + ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_etc_mipi_control2(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + const unsigned char data_to_send[] = { + 0xe2, 0xed, 0x07, 0xc3, 0x13, 0x0d, 0x03 + }; + + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, + ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_etc_power_control(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + const unsigned char data_to_send[] = { + 0xf4, 0xcf, 0x0a, 0x12, 0x10, 0x19, 0x33, 0x02 + }; + + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, ARRAY_SIZE(data_to_send)); +} +static void s6e8ax0_etc_mipi_control3(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0xe3, 0x40); +} + +static void s6e8ax0_etc_mipi_control4(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + const unsigned char data_to_send[] = { + 0xe4, 0x00, 0x00, 0x14, 0x80, 0x00, 0x00, 0x00 + }; + + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_elvss_set(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + + const unsigned char data_to_send[] = { + 0xb1, 0x04, 0x00 + }; + + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, + ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_display_on(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + ops->cmd_write(dsim_dev, + MIPI_DSI_DCS_SHORT_WRITE, 0x29, 0x00); +} + +static void s6e8ax0_sleep_out(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + ops->cmd_write(dsim_dev, + MIPI_DSI_DCS_SHORT_WRITE, 0x11, 0x00); +} + +static void s6e8ax0_apply_level1_key(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + const unsigned char data_to_send[] = { + 0xf0, 0x5a, 0x5a + }; + + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_apply_mtp_key(struct mipi_dsim_device *dsim_dev) +{ + struct mipi_dsim_master_ops *ops = dsim_dev->master_ops; + const unsigned char data_to_send[] = { + 0xf1, 0x5a, 0x5a + }; + + ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE, + (unsigned int)data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_panel_init(struct mipi_dsim_device *dsim_dev) +{ + /* + * in case of setting gamma and panel condition at first, + * it shuold be setting like below. + * set_gamma() -> set_panel_condition() + */ + + s6e8ax0_apply_level1_key(dsim_dev); + s6e8ax0_apply_mtp_key(dsim_dev); + + s6e8ax0_sleep_out(dsim_dev); + udelay(5 * 1000); + s6e8ax0_panel_cond(dsim_dev); + s6e8ax0_display_cond(dsim_dev); + s6e8ax0_gamma_cond(dsim_dev); + s6e8ax0_gamma_update(dsim_dev); + + s6e8ax0_etc_source_control(dsim_dev); + s6e8ax0_elvss_set(dsim_dev); + s6e8ax0_etc_pentile_control(dsim_dev); + s6e8ax0_etc_mipi_control1(dsim_dev); + s6e8ax0_etc_mipi_control2(dsim_dev); + s6e8ax0_etc_power_control(dsim_dev); + s6e8ax0_etc_mipi_control3(dsim_dev); + s6e8ax0_etc_mipi_control4(dsim_dev); +} + +static int s6e8ax0_panel_set(struct mipi_dsim_device *dsim_dev) +{ + s6e8ax0_panel_init(dsim_dev); + + return 0; +} + +static void s6e8ax0_display_enable(struct mipi_dsim_device *dsim_dev) +{ + s6e8ax0_display_on(dsim_dev); +} + +static struct mipi_dsim_lcd_driver s6e8ax0_dsim_ddi_driver = { + .name = "s6e8ax0", + .id = -1, + + .mipi_panel_init = s6e8ax0_panel_set, + .mipi_display_on = s6e8ax0_display_enable, +}; + +void s6e8ax0_init(void) +{ + exynos_mipi_dsi_register_lcd_driver(&s6e8ax0_dsim_ddi_driver); +}