diff options
Diffstat (limited to 'drivers/video/samsung_duallcd/s3cfb_lms501kf03.c')
| -rw-r--r-- | drivers/video/samsung_duallcd/s3cfb_lms501kf03.c | 415 |
1 files changed, 0 insertions, 415 deletions
diff --git a/drivers/video/samsung_duallcd/s3cfb_lms501kf03.c b/drivers/video/samsung_duallcd/s3cfb_lms501kf03.c deleted file mode 100644 index 078cb85..0000000 --- a/drivers/video/samsung_duallcd/s3cfb_lms501kf03.c +++ /dev/null @@ -1,415 +0,0 @@ -/* linux/drivers/video/samsung/s3cfb_lms501kf03.c - * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * LMS501KF03 5.0" WVGA Landscape LCD module driver for the SMDK - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ -#include <linux/wait.h> -#include <linux/fb.h> -#include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/spi/spi.h> - -#include <plat/gpio-cfg.h> - -#include "s3cfb.h" - -#define ENDDEF 0xFF00 -#define COMMAND_ONLY 0x00 -#define DATA_ONLY 0x01 - -#ifdef CONFIG_BACKLIGHT_LMS501KF03_TFT - -#define dbg(fmt...) - -static int locked; -struct s5p_lcd { - struct spi_device *g_spi; - struct lcd_device *lcd_dev; - struct backlight_device *bl_dev; -}; -static struct s5p_lcd lcd; -#else -static struct spi_device *g_spi; -#endif - -const unsigned short SEQ_SET_PASSWORD[] = { - 0xb9, 0xff, 0x83, 0x69, - ENDDEF -}; - -const unsigned short SEQ_SET_POWER[] = { - 0xb1, 0x01, 0x00, 0x34, 0x06, 0x00, 0x14, 0x14, 0x20, 0x28, - 0x12, 0x12, 0x17, 0x0a, 0x01, 0xe6, 0xe6, 0xe6, 0xe6, 0xe6, - ENDDEF -}; - -const unsigned short SEQ_SET_DISPLAY[] = { - 0xb2, 0x00, 0x2b, 0x03, 0x03, 0x70, 0x00, 0xff, 0x00, 0x00, - 0x00, 0x00, 0x03, 0x03, 0x00, 0x01, - ENDDEF -}; - -const unsigned short SEQ_SET_RGB_IF[] = { - 0xb3, 0x09, - ENDDEF -}; - -const unsigned short SEQ_SET_DISPLAY_INV[] = { - 0xb4, 0x01, 0x08, 0x77, 0x0e, 0x06, - ENDDEF -}; - -const unsigned short SEQ_SET_VCOM[] = { - 0xb6, 0x4c, 0x2e, - ENDDEF -}; - -const unsigned short SEQ_SET_GATE[] = { - 0xd5, 0x00, 0x05, 0x03, 0x29, 0x01, 0x07, 0x17, 0x68, 0x13, - 0x37, 0x20, 0x31, 0x8a, 0x46, 0x9b, 0x57, 0x13, 0x02, 0x75, - 0xb9, 0x64, 0xa8, 0x07, 0x0f, 0x04, 0x07, - ENDDEF -}; - -const unsigned short SEQ_SET_PANEL[] = { - 0xcc, 0x02, - ENDDEF -}; - -const unsigned short SEQ_SET_COL_MOD[] = { - 0x3a, 0x77, - ENDDEF -}; - -const unsigned short SEQ_SET_W_GAMMA[] = { - 0xe0, 0x00, 0x04, 0x09, 0x0f, 0x1f, 0x3f, 0x1f, 0x2f, 0x0a, - 0x0f, 0x10, 0x16, 0x18, 0x16, 0x17, 0x0d, 0x15, 0x00, 0x04, - 0x09, 0x0f, 0x38, 0x3f, 0x20, 0x39, 0x0a, 0x0f, 0x10, 0x16, - 0x18, 0x16, 0x17, 0x0d, 0x15, - ENDDEF -}; - -const unsigned short SEQ_SET_RGB_GAMMA[] = { - 0xc1, 0x01, 0x03, 0x07, 0x0f, 0x1a, 0x22, 0x2c, 0x33, 0x3c, - 0x46, 0x4f, 0x58, 0x60, 0x69, 0x71, 0x79, 0x82, 0x89, 0x92, - 0x9a, 0xa1, 0xa9, 0xb1, 0xb9, 0xc1, 0xc9, 0xcf, 0xd6, 0xde, - 0xe5, 0xec, 0xf3, 0xf9, 0xff, 0xdd, 0x39, 0x07, 0x1c, 0xcb, - 0xab, 0x5f, 0x49, 0x80, 0x03, 0x07, 0x0f, 0x19, 0x20, 0x2a, - 0x31, 0x39, 0x42, 0x4b, 0x53, 0x5b, 0x63, 0x6b, 0x73, 0x7b, - 0x83, 0x8a, 0x92, 0x9b, 0xa2, 0xaa, 0xb2, 0xba, 0xc2, 0xca, - 0xd0, 0xd8, 0xe1, 0xe8, 0xf0, 0xf8, 0xff, 0xf7, 0xd8, 0xbe, - 0xa7, 0x39, 0x40, 0x85, 0x8c, 0xc0, 0x04, 0x07, 0x0c, 0x17, - 0x1c, 0x23, 0x2b, 0x34, 0x3b, 0x43, 0x4c, 0x54, 0x5b, 0x63, - 0x6a, 0x73, 0x7a, 0x82, 0x8a, 0x91, 0x98, 0xa1, 0xa8, 0xb0, - 0xb7, 0xc1, 0xc9, 0xcf, 0xd9, 0xe3, 0xea, 0xf4, 0xff, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - ENDDEF -}; - -const unsigned short SEQ_SET_UP_DN[] = { - 0x36, 0x10, - ENDDEF -}; - -const unsigned short SEQ_SET_SLEEP_IN[] = { - 0x10, - ENDDEF -}; - -const unsigned short SEQ_SET_SLEEP_OUT[] = { - 0x11, - ENDDEF -}; - -const unsigned short SEQ_SET_DISPLAY_ON[] = { - 0x29, - ENDDEF -}; - -const unsigned short SEQ_SET_DISPLAY_OFF[] = { - 0x10, - ENDDEF -}; - -static struct s3cfb_lcd lms501kf03 = { - .width = 480, - .height = 800, - .bpp = 24, - - .freq = 60, - .timing = { - .h_fp = 8, - .h_bp = 8, - .h_sw = 6, - .v_fp = 6, - .v_fpe = 1, - .v_bp = 6, - .v_bpe = 1, - .v_sw = 4, - }, - .polarity = { - .rise_vclk = 0, - .inv_hsync = 1, - .inv_vsync = 1, - .inv_vden = 0, - }, -}; - -static int lms501kf03_spi_write_driver(int addr, int data) -{ - u16 buf[1]; - struct spi_message msg; - - struct spi_transfer xfer = { - .len = 2, - .tx_buf = buf, - }; - - buf[0] = (addr << 8) | data; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - -#ifdef CONFIG_BACKLIGHT_LMS501KF03_TFT - int ret; - locked = 1; - ret = spi_sync(lcd.g_spi, &msg); - locked = 0; - return ret ; -#else - return spi_sync(g_spi, &msg); -#endif -} - -static void lms501kf03_spi_write(unsigned char address, unsigned char command) -{ - lms501kf03_spi_write_driver(address, command); -} - -static void lms501kf03_panel_send_sequence(const unsigned short *wbuf) -{ - int i = 0; - - while (wbuf[i] != ENDDEF) { - if (i == 0) - lms501kf03_spi_write(COMMAND_ONLY, wbuf[i]); - else - lms501kf03_spi_write(DATA_ONLY, wbuf[i]); - - udelay(100); - i += 1; - } -} - -void lms501kf03_ldi_init(void) -{ - lms501kf03_panel_send_sequence(SEQ_SET_PASSWORD); - lms501kf03_panel_send_sequence(SEQ_SET_POWER); - lms501kf03_panel_send_sequence(SEQ_SET_DISPLAY); - lms501kf03_panel_send_sequence(SEQ_SET_RGB_IF); - lms501kf03_panel_send_sequence(SEQ_SET_DISPLAY_INV); - lms501kf03_panel_send_sequence(SEQ_SET_VCOM); - lms501kf03_panel_send_sequence(SEQ_SET_GATE); - lms501kf03_panel_send_sequence(SEQ_SET_PANEL); - lms501kf03_panel_send_sequence(SEQ_SET_COL_MOD); - lms501kf03_panel_send_sequence(SEQ_SET_W_GAMMA); - lms501kf03_panel_send_sequence(SEQ_SET_RGB_GAMMA); - lms501kf03_panel_send_sequence(SEQ_SET_SLEEP_OUT); - mdelay(120); - lms501kf03_panel_send_sequence(SEQ_SET_DISPLAY_ON); -} - -void lms501kf03_ldi_enable(void) -{ - lms501kf03_panel_send_sequence(SEQ_SET_DISPLAY_ON); -} - -void lms501kf03_ldi_disable(void) -{ - lms501kf03_panel_send_sequence(SEQ_SET_DISPLAY_OFF); - mdelay(120); -} - -void lms501kf03_init_ldi(void) -{ - lms501kf03_ldi_init(); -} - -void s3cfb_set_lcd_info(struct s3cfb_global *ctrl) -{ - lms501kf03.init_ldi = lms501kf03_ldi_init; - ctrl->lcd = &lms501kf03; -} - -void lms501kf03_gpio_cfg(void) -{ - /* LCD _SPI CS */ - s3c_gpio_cfgpin(EXYNOS4_GPB(5), S3C_GPIO_OUTPUT); - s3c_gpio_setpull(EXYNOS4_GPB(5), S3C_GPIO_PULL_NONE); - - /* LCD_SPI SCLK */ - s3c_gpio_cfgpin(EXYNOS4_GPB(4), S3C_GPIO_OUTPUT); - s3c_gpio_setpull(EXYNOS4_GPB(4), S3C_GPIO_PULL_NONE); - - /* LCD_SPI MOSI */ - s3c_gpio_cfgpin(EXYNOS4_GPB(7), S3C_GPIO_OUTPUT); - s3c_gpio_setpull(EXYNOS4_GPB(7), S3C_GPIO_PULL_NONE); -} - -/* backlight operations and functions */ -#ifdef CONFIG_BACKLIGHT_LMS501KF03_TFT -static int s5p_bl_update_status(struct backlight_device *bd) -{ - int bl = bd->props.brightness; - dbg("\nUpdate brightness=%d\n", bd->props.brightness); - int level = 0; - - if (!locked) { - if ((bl >= 0) && (bl <= 50)) - level = 1; - else if ((bl > 50) && (bl <= 100)) - level = 2; - else if ((bl > 100) && (bl <= 150)) - level = 3; - else if ((bl > 150) && (bl <= 200)) - level = 4; - else if ((bl > 200) && (bl <= 255)) - level = 5; - - if (level) { - - switch (level) { - /* If bl is not halved, variation in brightness is - * observed as a curve with the middle region being - * brightest and the sides being darker. It is - * required that brightness increases gradually - * from left to right.*/ - case 1: - lms501kf03_spi_write(0x46, 0x2F); - lms501kf03_spi_write(0x56, 0x2E); - lms501kf03_spi_write(0x66, 0x3F); - - break; - case 2: - lms501kf03_spi_write(0x46, 0x37); - lms501kf03_spi_write(0x56, 0x36); - lms501kf03_spi_write(0x66, 0x4A); - - break; - case 3: - lms501kf03_spi_write(0x46, 0x3E); - lms501kf03_spi_write(0x56, 0x3D); - lms501kf03_spi_write(0x66, 0x53); - - break; - case 4: - lms501kf03_spi_write(0x46, 0x44); - lms501kf03_spi_write(0x56, 0x43); - lms501kf03_spi_write(0x66, 0x5C); - - break; - case 5: - lms501kf03_spi_write(0x46, 0x47); - lms501kf03_spi_write(0x56, 0x45); - lms501kf03_spi_write(0x66, 0x5F); - break; - default: - break; - } - } /* level check over */ - } else { - dbg("\nLOCKED!!!Brightness cannot be changed now!locked=%d", - locked); - } - return 0; -} - -static int s5p_bl_get_brightness(struct backlilght_device *bd) -{ - dbg("\n reading brightness\n"); - return 0; -} - -static const struct backlight_ops s5p_bl_ops = { - .update_status = s5p_bl_update_status, - .get_brightness = s5p_bl_get_brightness, -}; -#endif - -static int __devinit lms501kf03_probe(struct spi_device *spi) -{ - int ret; -#ifdef CONFIG_BACKLIGHT_LMS501KF03_TFT - struct backlight_properties props; -#endif - spi->bits_per_word = 9; - ret = spi_setup(spi); - -#ifdef CONFIG_BACKLIGHT_LMS501KF03_TFT - lcd.g_spi = spi; - - /* The node is named as pwm-backlight even though PWM - * control is not being done since Eclair interface is - * looking for "pwm-backlight" for backlight brightness - * control*/ - memset(&props, 0, sizeof(struct backlight_properties)); - props.max_brightness = 255; - lcd.bl_dev = backlight_device_register("pwm-backlight", - &spi->dev, &lcd, &s5p_bl_ops, &props); - - dev_set_drvdata(&spi->dev, &lcd); -#else - g_spi = spi; -#endif - - lms501kf03_gpio_cfg(); - lms501kf03_ldi_init(); - - if (ret < 0) - return 0; - - return ret; -} -#ifdef CONFIG_PM -int lms501kf03_suspend(struct platform_device *pdev, pm_message_t state) -{ - lms501kf03_ldi_disable(); - return 0; -} - -int lms501kf03_resume(struct platform_device *pdev, pm_message_t state) -{ - lms501kf03_ldi_init(); - return 0; -} -#endif - -static struct spi_driver lms501kf03_driver = { - .driver = { - .name = "lms501kf03", - .owner = THIS_MODULE, - }, - .probe = lms501kf03_probe, - .remove = __exit_p(lms501kf03_remove), - .suspend = NULL, - .resume = NULL, -}; - -static int __init lms501kf03_init(void) -{ - return spi_register_driver(&lms501kf03_driver); -} - -static void __exit lms501kf03_exit(void) -{ - spi_unregister_driver(&lms501kf03_driver); -} - -module_init(lms501kf03_init); -module_exit(lms501kf03_exit); |