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tavorevb.c

/*
 *  linux/arch/arm/mach-pxa/tavorevb.c
 *
 *  Support for the Marvell PXA930 Evaluation Board
 *
 *  Copyright (C) 2007-2008 Marvell International Ltd.
 *
 *  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
 *  publishhed by the Free Software Foundation.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/smc91x.h>
#include <linux/pwm_backlight.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include <mach/pxa930.h>
#include <mach/pxafb.h>
#include <mach/pxa27x_keypad.h>

#include "devices.h"
#include "generic.h"

/* Tavor EVB MFP configurations */
static mfp_cfg_t tavorevb_mfp_cfg[] __initdata = {
      /* Ethernet */
      DF_nCS1_nCS3,
      GPIO47_GPIO,

      /* LCD */
      GPIO23_LCD_DD0,
      GPIO24_LCD_DD1,
      GPIO25_LCD_DD2,
      GPIO26_LCD_DD3,
      GPIO27_LCD_DD4,
      GPIO28_LCD_DD5,
      GPIO29_LCD_DD6,
      GPIO44_LCD_DD7,
      GPIO21_LCD_CS,
      GPIO22_LCD_CS2,

      GPIO17_LCD_FCLK_RD,
      GPIO18_LCD_LCLK_A0,
      GPIO19_LCD_PCLK_WR,

      /* LCD Backlight */
      GPIO43_PWM3,      /* primary backlight */
      GPIO32_PWM0,      /* secondary backlight */

      /* Keypad */
      GPIO0_KP_MKIN_0,
      GPIO2_KP_MKIN_1,
      GPIO4_KP_MKIN_2,
      GPIO6_KP_MKIN_3,
      GPIO8_KP_MKIN_4,
      GPIO10_KP_MKIN_5,
      GPIO12_KP_MKIN_6,
      GPIO1_KP_MKOUT_0,
      GPIO3_KP_MKOUT_1,
      GPIO5_KP_MKOUT_2,
      GPIO7_KP_MKOUT_3,
      GPIO9_KP_MKOUT_4,
      GPIO11_KP_MKOUT_5,
      GPIO13_KP_MKOUT_6,

      GPIO14_KP_DKIN_2,
      GPIO15_KP_DKIN_3,
};

#define TAVOREVB_ETH_PHYS     (0x14000000)

static struct resource smc91x_resources[] = {
      [0] = {
            .start      = (TAVOREVB_ETH_PHYS + 0x300),
            .end  = (TAVOREVB_ETH_PHYS + 0xfffff),
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO47)),
            .end  = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO47)),
            .flags      = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
      }
};

static struct smc91x_platdata tavorevb_smc91x_info = {
      .flags      = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
};

static struct platform_device smc91x_device = {
      .name       = "smc91x",
      .id         = 0,
      .num_resources    = ARRAY_SIZE(smc91x_resources),
      .resource   = smc91x_resources,
      .dev        = {
            .platform_data = &tavorevb_smc91x_info,
      },
};

#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
static unsigned int tavorevb_matrix_key_map[] = {
      /* KEY(row, col, key_code) */
      KEY(0, 4, KEY_A), KEY(0, 5, KEY_B), KEY(0, 6, KEY_C),
      KEY(1, 4, KEY_E), KEY(1, 5, KEY_F), KEY(1, 6, KEY_G),
      KEY(2, 4, KEY_I), KEY(2, 5, KEY_J), KEY(2, 6, KEY_K),
      KEY(3, 4, KEY_M), KEY(3, 5, KEY_N), KEY(3, 6, KEY_O),
      KEY(4, 5, KEY_R), KEY(4, 6, KEY_S),
      KEY(5, 4, KEY_U), KEY(5, 4, KEY_V), KEY(5, 6, KEY_W),

      KEY(6, 4, KEY_Y), KEY(6, 5, KEY_Z),

      KEY(0, 3, KEY_0), KEY(2, 0, KEY_1), KEY(2, 1, KEY_2), KEY(2, 2, KEY_3),
      KEY(2, 3, KEY_4), KEY(1, 0, KEY_5), KEY(1, 1, KEY_6), KEY(1, 2, KEY_7),
      KEY(1, 3, KEY_8), KEY(0, 2, KEY_9),

      KEY(6, 6, KEY_SPACE),
      KEY(0, 0, KEY_KPASTERISK),    /* * */
      KEY(0, 1, KEY_KPDOT),         /* # */

      KEY(4, 1, KEY_UP),
      KEY(4, 3, KEY_DOWN),
      KEY(4, 0, KEY_LEFT),
      KEY(4, 2, KEY_RIGHT),
      KEY(6, 0, KEY_HOME),
      KEY(3, 2, KEY_END),
      KEY(6, 1, KEY_DELETE),
      KEY(5, 2, KEY_BACK),
      KEY(6, 3, KEY_CAPSLOCK),      /* KEY_LEFTSHIFT), */

      KEY(4, 4, KEY_ENTER),         /* scroll push */
      KEY(6, 2, KEY_ENTER),         /* keypad action */

      KEY(3, 1, KEY_SEND),
      KEY(5, 3, KEY_RECORD),
      KEY(5, 0, KEY_VOLUMEUP),
      KEY(5, 1, KEY_VOLUMEDOWN),

      KEY(3, 0, KEY_F22),     /* soft1 */
      KEY(3, 3, KEY_F23),     /* soft2 */
};

static struct pxa27x_keypad_platform_data tavorevb_keypad_info = {
      .matrix_key_rows  = 7,
      .matrix_key_cols  = 7,
      .matrix_key_map         = tavorevb_matrix_key_map,
      .matrix_key_map_size    = ARRAY_SIZE(tavorevb_matrix_key_map),
      .debounce_interval      = 30,
};

static void __init tavorevb_init_keypad(void)
{
      pxa_set_keypad_info(&tavorevb_keypad_info);
}
#else
static inline void tavorevb_init_keypad(void) {}
#endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */

#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct platform_pwm_backlight_data tavorevb_backlight_data[] = {
      [0] = {
            /* primary backlight */
            .pwm_id           = 2,
            .max_brightness   = 100,
            .dft_brightness   = 100,
            .pwm_period_ns    = 100000,
      },
      [1] = {
            /* secondary backlight */
            .pwm_id           = 0,
            .max_brightness   = 100,
            .dft_brightness   = 100,
            .pwm_period_ns    = 100000,
      },
};

static struct platform_device tavorevb_backlight_devices[] = {
      [0] = {
            .name       = "pwm-backlight",
            .id         = 0,
            .dev        = {
                  .platform_data = &tavorevb_backlight_data[0],
            },
      },
      [1] = {
            .name       = "pwm-backlight",
            .id         = 1,
            .dev        = {
                  .platform_data = &tavorevb_backlight_data[1],
            },
      },
};

static uint16_t panel_init[] = {
      /* DSTB OUT */
      SMART_CMD(0x00),
      SMART_CMD_NOOP,
      SMART_DELAY(1),

      SMART_CMD(0x00),
      SMART_CMD_NOOP,
      SMART_DELAY(1),

      SMART_CMD(0x00),
      SMART_CMD_NOOP,
      SMART_DELAY(1),

      /* STB OUT */
      SMART_CMD(0x00),
      SMART_CMD(0x1D),
      SMART_DAT(0x00),
      SMART_DAT(0x05),
      SMART_DELAY(1),

      /* P-ON Init sequence */
      SMART_CMD(0x00), /* OSC ON */
      SMART_CMD(0x00),
      SMART_DAT(0x00),
      SMART_DAT(0x01),
      SMART_CMD(0x00),
      SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */
      SMART_DAT(0x01),
      SMART_DAT(0x27),
      SMART_CMD(0x00),
      SMART_CMD(0x02), /* LINE INV */
      SMART_DAT(0x02),
      SMART_DAT(0x00),
      SMART_CMD(0x00),
      SMART_CMD(0x03), /* IF mode(1) */
      SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */
      SMART_DAT(0x30),
      SMART_CMD(0x07),
      SMART_CMD(0x00), /* RAM Write Mode */
      SMART_DAT(0x00),
      SMART_DAT(0x03),
      SMART_CMD(0x00),

      /* DISPLAY Setting,  262K, fixed(NO scroll), no split screen */
      SMART_CMD(0x07),
      SMART_DAT(0x40), /* 16/18/19 BPP */
      SMART_DAT(0x00),
      SMART_CMD(0x00),
      SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */
      SMART_DAT(0x03),
      SMART_DAT(0x02),
      SMART_CMD(0x00),
      SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */
      SMART_DAT(0x00),
      SMART_DAT(0x00),
      SMART_CMD(0x00),
      SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */
      SMART_DAT(0x00),
      SMART_DAT(0x10),
      SMART_CMD(0x00),
      SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */
      SMART_DAT(0x03),
      SMART_DAT(0x02),
      SMART_CMD(0x00),
      SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */
      SMART_DAT(0x01),
      SMART_DAT(0x02),
      SMART_CMD(0x00),
      SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */
      SMART_DAT(0x00),
      SMART_DAT(0x00),
      SMART_CMD(0x00),
      SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
      SMART_DAT(0x20),
      SMART_DAT(0x00),
      SMART_CMD(0x00),
      SMART_CMD(0x1C),
      SMART_DAT(0x00),
      SMART_DAT(0x00),
      SMART_CMD(0x03),
      SMART_CMD(0x00),
      SMART_DAT(0x04),
      SMART_DAT(0x03),
      SMART_CMD(0x03),
      SMART_CMD(0x01),
      SMART_DAT(0x03),
      SMART_DAT(0x04),
      SMART_CMD(0x03),
      SMART_CMD(0x02),
      SMART_DAT(0x04),
      SMART_DAT(0x03),
      SMART_CMD(0x03),
      SMART_CMD(0x03),
      SMART_DAT(0x03),
      SMART_DAT(0x03),
      SMART_CMD(0x03),
      SMART_CMD(0x04),
      SMART_DAT(0x01),
      SMART_DAT(0x01),
      SMART_CMD(0x03),
      SMART_CMD(0x05),
      SMART_DAT(0x00),
      SMART_DAT(0x00),
      SMART_CMD(0x04),
      SMART_CMD(0x02),
      SMART_DAT(0x00),
      SMART_DAT(0x00),
      SMART_CMD(0x04),
      SMART_CMD(0x03),
      SMART_DAT(0x01),
      SMART_DAT(0x3F),
      SMART_DELAY(0),

      /* DISP RAM setting: 240*320 */
      SMART_CMD(0x04), /* HADDR, START 0 */
      SMART_CMD(0x06),
      SMART_DAT(0x00),
      SMART_DAT(0x00), /* x1,3 */
      SMART_CMD(0x04), /* HADDR,  END   4 */
      SMART_CMD(0x07),
      SMART_DAT(0x00),
      SMART_DAT(0xEF), /* x2, 7 */
      SMART_CMD(0x04), /* VADDR, START 8 */
      SMART_CMD(0x08),
      SMART_DAT(0x00), /* y1, 10 */
      SMART_DAT(0x00), /* y1, 11 */
      SMART_CMD(0x04), /* VADDR, END 12 */
      SMART_CMD(0x09),
      SMART_DAT(0x01), /* y2, 14 */
      SMART_DAT(0x3F), /* y2, 15 */
      SMART_CMD(0x02), /* RAM ADDR SETTING 16 */
      SMART_CMD(0x00),
      SMART_DAT(0x00),
      SMART_DAT(0x00), /* x1, 19 */
      SMART_CMD(0x02), /* RAM ADDR SETTING 20 */
      SMART_CMD(0x01),
      SMART_DAT(0x00), /* y1, 22 */
      SMART_DAT(0x00), /* y1, 23 */
};

static uint16_t panel_on[] = {
      /* Power-IC ON */
      SMART_CMD(0x01),
      SMART_CMD(0x02),
      SMART_DAT(0x07),
      SMART_DAT(0x7D),
      SMART_CMD(0x01),
      SMART_CMD(0x03),
      SMART_DAT(0x00),
      SMART_DAT(0x05),
      SMART_CMD(0x01),
      SMART_CMD(0x04),
      SMART_DAT(0x00),
      SMART_DAT(0x00),
      SMART_CMD(0x01),
      SMART_CMD(0x05),
      SMART_DAT(0x00),
      SMART_DAT(0x15),
      SMART_CMD(0x01),
      SMART_CMD(0x00),
      SMART_DAT(0xC0),
      SMART_DAT(0x10),
      SMART_DELAY(30),

      /* DISP ON */
      SMART_CMD(0x01),
      SMART_CMD(0x01),
      SMART_DAT(0x00),
      SMART_DAT(0x01),
      SMART_CMD(0x01),
      SMART_CMD(0x00),
      SMART_DAT(0xFF),
      SMART_DAT(0xFE),
      SMART_DELAY(150),
};

static uint16_t panel_off[] = {
      SMART_CMD(0x00),
      SMART_CMD(0x1E),
      SMART_DAT(0x00),
      SMART_DAT(0x0A),
      SMART_CMD(0x01),
      SMART_CMD(0x00),
      SMART_DAT(0xFF),
      SMART_DAT(0xEE),
      SMART_CMD(0x01),
      SMART_CMD(0x00),
      SMART_DAT(0xF8),
      SMART_DAT(0x12),
      SMART_CMD(0x01),
      SMART_CMD(0x00),
      SMART_DAT(0xE8),
      SMART_DAT(0x11),
      SMART_CMD(0x01),
      SMART_CMD(0x00),
      SMART_DAT(0xC0),
      SMART_DAT(0x11),
      SMART_CMD(0x01),
      SMART_CMD(0x00),
      SMART_DAT(0x40),
      SMART_DAT(0x11),
      SMART_CMD(0x01),
      SMART_CMD(0x00),
      SMART_DAT(0x00),
      SMART_DAT(0x10),
};

static uint16_t update_framedata[] = {
      /* write ram */
      SMART_CMD(0x02),
      SMART_CMD(0x02),

      /* write frame data */
      SMART_CMD_WRITE_FRAME,
};

static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var)
{
      struct fb_info *info = container_of(var, struct fb_info, var);

      if (on) {
            pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init));
            pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on));
      } else {
            pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off));
      }

      if (pxafb_smart_flush(info))
            pr_err("%s: timed out\n", __func__);
}

static void ltm020d550_update(struct fb_info *info)
{
      pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
      pxafb_smart_flush(info);
}

static struct pxafb_mode_info toshiba_ltm020d550_modes[] = {
      [0] = {
            .xres             = 240,
            .yres             = 320,
            .bpp              = 16,
            .a0csrd_set_hld         = 30,
            .a0cswr_set_hld         = 30,
            .wr_pulse_width         = 30,
            .rd_pulse_width   = 170,
            .op_hold_time           = 30,
            .cmd_inh_time           = 60,

            /* L_LCLK_A0 and L_LCLK_RD active low */
            .sync             = FB_SYNC_HOR_HIGH_ACT |
                                FB_SYNC_VERT_HIGH_ACT,
      },
};

static struct pxafb_mach_info tavorevb_lcd_info = {
      .modes                  = toshiba_ltm020d550_modes,
      .num_modes        = 1,
      .lcd_conn         = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
      .pxafb_lcd_power  = ltm020d550_lcd_power,
      .smart_update           = ltm020d550_update,
};

static void __init tavorevb_init_lcd(void)
{
      platform_device_register(&tavorevb_backlight_devices[0]);
      platform_device_register(&tavorevb_backlight_devices[1]);
      set_pxa_fb_info(&tavorevb_lcd_info);
}
#else
static inline void tavorevb_init_lcd(void) {}
#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */

static void __init tavorevb_init(void)
{
      /* initialize MFP configurations */
      pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg));

      platform_device_register(&smc91x_device);

      tavorevb_init_lcd();
      tavorevb_init_keypad();
}

MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)")
      /* Maintainer: Eric Miao <eric.miao@marvell.com> */
      .phys_io        = 0x40000000,
      .boot_params    = 0xa0000100,
      .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
      .map_io         = pxa_map_io,
      .init_irq       = pxa3xx_init_irq,
      .timer          = &pxa_timer,
      .init_machine   = tavorevb_init,
MACHINE_END

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