zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-omap2/board-zoom-display.c b/ap/os/linux/linux-3.4.x/arch/arm/mach-omap2/board-zoom-display.c
new file mode 100644
index 0000000..a43a765
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-omap2/board-zoom-display.c
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2010 Texas Instruments Inc.
+ *
+ * Modified from mach-omap2/board-zoom-peripherals.c
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/i2c/twl.h>
+#include <linux/spi/spi.h>
+#include <plat/mcspi.h>
+#include <video/omapdss.h>
+
+#define LCD_PANEL_RESET_GPIO_PROD 96
+#define LCD_PANEL_RESET_GPIO_PILOT 55
+#define LCD_PANEL_QVGA_GPIO 56
+
+static struct gpio zoom_lcd_gpios[] __initdata = {
+ { -EINVAL, GPIOF_OUT_INIT_HIGH, "lcd reset" },
+ { LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "lcd qvga" },
+};
+
+static void __init zoom_lcd_panel_init(void)
+{
+ zoom_lcd_gpios[0].gpio = (omap_rev() > OMAP3430_REV_ES3_0) ?
+ LCD_PANEL_RESET_GPIO_PROD :
+ LCD_PANEL_RESET_GPIO_PILOT;
+
+ if (gpio_request_array(zoom_lcd_gpios, ARRAY_SIZE(zoom_lcd_gpios)))
+ pr_err("%s: Failed to get LCD GPIOs.\n", __func__);
+}
+
+static int zoom_panel_enable_lcd(struct omap_dss_device *dssdev)
+{
+ return 0;
+}
+
+static void zoom_panel_disable_lcd(struct omap_dss_device *dssdev)
+{
+}
+
+/*
+ * PWMA/B register offsets (TWL4030_MODULE_PWMA)
+ */
+#define TWL_INTBR_PMBR1 0xD
+#define TWL_INTBR_GPBR1 0xC
+#define TWL_LED_PWMON 0x0
+#define TWL_LED_PWMOFF 0x1
+
+static int zoom_set_bl_intensity(struct omap_dss_device *dssdev, int level)
+{
+#ifdef CONFIG_TWL4030_CORE
+ unsigned char c;
+ u8 mux_pwm, enb_pwm;
+
+ if (level > 100)
+ return -1;
+
+ twl_i2c_read_u8(TWL4030_MODULE_INTBR, &mux_pwm, TWL_INTBR_PMBR1);
+ twl_i2c_read_u8(TWL4030_MODULE_INTBR, &enb_pwm, TWL_INTBR_GPBR1);
+
+ if (level == 0) {
+ /* disable pwm1 output and clock */
+ enb_pwm = enb_pwm & 0xF5;
+ /* change pwm1 pin to gpio pin */
+ mux_pwm = mux_pwm & 0xCF;
+ twl_i2c_write_u8(TWL4030_MODULE_INTBR,
+ enb_pwm, TWL_INTBR_GPBR1);
+ twl_i2c_write_u8(TWL4030_MODULE_INTBR,
+ mux_pwm, TWL_INTBR_PMBR1);
+ return 0;
+ }
+
+ if (!((enb_pwm & 0xA) && (mux_pwm & 0x30))) {
+ /* change gpio pin to pwm1 pin */
+ mux_pwm = mux_pwm | 0x30;
+ /* enable pwm1 output and clock*/
+ enb_pwm = enb_pwm | 0x0A;
+ twl_i2c_write_u8(TWL4030_MODULE_INTBR,
+ mux_pwm, TWL_INTBR_PMBR1);
+ twl_i2c_write_u8(TWL4030_MODULE_INTBR,
+ enb_pwm, TWL_INTBR_GPBR1);
+ }
+
+ c = ((50 * (100 - level)) / 100) + 1;
+ twl_i2c_write_u8(TWL4030_MODULE_PWM1, 0x7F, TWL_LED_PWMOFF);
+ twl_i2c_write_u8(TWL4030_MODULE_PWM1, c, TWL_LED_PWMON);
+#else
+ pr_warn("Backlight not enabled\n");
+#endif
+
+ return 0;
+}
+
+static struct omap_dss_device zoom_lcd_device = {
+ .name = "lcd",
+ .driver_name = "NEC_8048_panel",
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .phy.dpi.data_lines = 24,
+ .platform_enable = zoom_panel_enable_lcd,
+ .platform_disable = zoom_panel_disable_lcd,
+ .max_backlight_level = 100,
+ .set_backlight = zoom_set_bl_intensity,
+};
+
+static struct omap_dss_device *zoom_dss_devices[] = {
+ &zoom_lcd_device,
+};
+
+static struct omap_dss_board_info zoom_dss_data = {
+ .num_devices = ARRAY_SIZE(zoom_dss_devices),
+ .devices = zoom_dss_devices,
+ .default_device = &zoom_lcd_device,
+};
+
+static struct omap2_mcspi_device_config dss_lcd_mcspi_config = {
+ .turbo_mode = 1,
+};
+
+static struct spi_board_info nec_8048_spi_board_info[] __initdata = {
+ [0] = {
+ .modalias = "nec_8048_spi",
+ .bus_num = 1,
+ .chip_select = 2,
+ .max_speed_hz = 375000,
+ .controller_data = &dss_lcd_mcspi_config,
+ },
+};
+
+void __init zoom_display_init(void)
+{
+ omap_display_init(&zoom_dss_data);
+ spi_register_board_info(nec_8048_spi_board_info,
+ ARRAY_SIZE(nec_8048_spi_board_info));
+ zoom_lcd_panel_init();
+}
+