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[ARM] pxa/saar: add support for the on-board smart panel LCD

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Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Eric Miao 2008-12-08 21:33:49 +08:00
parent b6795fa9fd
commit 111059e7f4
1 changed files with 421 additions and 0 deletions
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421
arch/arm/mach-pxa/saar.c
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@ -17,19 +17,44 @@
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/i2c.h>
#include <linux/smc91x.h>
#include <linux/mfd/da903x.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/hardware.h>
#include <mach/pxa3xx-regs.h>
#include <mach/mfp-pxa930.h>
#include <mach/i2c.h>
#include <mach/regs-lcd.h>
#include <mach/pxafb.h>
#include "devices.h"
#include "generic.h"
#define GPIO_LCD_RESET (16)
/* SAAR MFP configurations */
static mfp_cfg_t saar_mfp_cfg[] __initdata = {
/* 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_VSYNC,
GPIO17_LCD_FCLK_RD,
GPIO18_LCD_LCLK_A0,
GPIO19_LCD_PCLK_WR,
GPIO16_GPIO, /* LCD reset */
/* Ethernet */
DF_nCS1_nCS3,
GPIO97_GPIO,
@ -64,12 +89,408 @@ static struct platform_device smc91x_device = {
},
};
#if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULE)
static uint16_t lcd_power_on[] = {
/* single frame */
SMART_CMD_NOOP,
SMART_CMD(0x00),
SMART_DELAY(0),
SMART_CMD_NOOP,
SMART_CMD(0x00),
SMART_DELAY(0),
SMART_CMD_NOOP,
SMART_CMD(0x00),
SMART_DELAY(0),
SMART_CMD_NOOP,
SMART_CMD(0x00),
SMART_DELAY(10),
/* calibration control */
SMART_CMD(0x00),
SMART_CMD(0xA4),
SMART_DAT(0x80),
SMART_DAT(0x01),
SMART_DELAY(150),
/*Power-On Init sequence*/
SMART_CMD(0x00), /* output ctrl */
SMART_CMD(0x01),
SMART_DAT(0x01),
SMART_DAT(0x00),
SMART_CMD(0x00), /* wave ctrl */
SMART_CMD(0x02),
SMART_DAT(0x07),
SMART_DAT(0x00),
SMART_CMD(0x00),
SMART_CMD(0x03), /* entry mode */
SMART_DAT(0xD0),
SMART_DAT(0x30),
SMART_CMD(0x00),
SMART_CMD(0x08), /* display ctrl 2 */
SMART_DAT(0x08),
SMART_DAT(0x08),
SMART_CMD(0x00),
SMART_CMD(0x09), /* display ctrl 3 */
SMART_DAT(0x04),
SMART_DAT(0x2F),
SMART_CMD(0x00),
SMART_CMD(0x0A), /* display ctrl 4 */
SMART_DAT(0x00),
SMART_DAT(0x08),
SMART_CMD(0x00),
SMART_CMD(0x0D), /* Frame Marker position */
SMART_DAT(0x00),
SMART_DAT(0x08),
SMART_CMD(0x00),
SMART_CMD(0x60), /* Driver output control */
SMART_DAT(0x27),
SMART_DAT(0x00),
SMART_CMD(0x00),
SMART_CMD(0x61), /* Base image display control */
SMART_DAT(0x00),
SMART_DAT(0x01),
SMART_CMD(0x00),
SMART_CMD(0x30), /* Y settings 30h-3Dh */
SMART_DAT(0x07),
SMART_DAT(0x07),
SMART_CMD(0x00),
SMART_CMD(0x31),
SMART_DAT(0x00),
SMART_DAT(0x07),
SMART_CMD(0x00),
SMART_CMD(0x32), /* Timing(3), ASW HOLD=0.5CLK */
SMART_DAT(0x04),
SMART_DAT(0x00),
SMART_CMD(0x00),
SMART_CMD(0x33), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
SMART_DAT(0x03),
SMART_DAT(0x03),
SMART_CMD(0x00),
SMART_CMD(0x34),
SMART_DAT(0x00),
SMART_DAT(0x00),
SMART_CMD(0x00),
SMART_CMD(0x35),
SMART_DAT(0x02),
SMART_DAT(0x05),
SMART_CMD(0x00),
SMART_CMD(0x36),
SMART_DAT(0x1F),
SMART_DAT(0x1F),
SMART_CMD(0x00),
SMART_CMD(0x37),
SMART_DAT(0x07),
SMART_DAT(0x07),
SMART_CMD(0x00),
SMART_CMD(0x38),
SMART_DAT(0x00),
SMART_DAT(0x07),
SMART_CMD(0x00),
SMART_CMD(0x39),
SMART_DAT(0x04),
SMART_DAT(0x00),
SMART_CMD(0x00),
SMART_CMD(0x3A),
SMART_DAT(0x03),
SMART_DAT(0x03),
SMART_CMD(0x00),
SMART_CMD(0x3B),
SMART_DAT(0x00),
SMART_DAT(0x00),
SMART_CMD(0x00),
SMART_CMD(0x3C),
SMART_DAT(0x02),
SMART_DAT(0x05),
SMART_CMD(0x00),
SMART_CMD(0x3D),
SMART_DAT(0x1F),
SMART_DAT(0x1F),
SMART_CMD(0x00), /* Display control 1 */
SMART_CMD(0x07),
SMART_DAT(0x00),
SMART_DAT(0x01),
SMART_CMD(0x00), /* Power control 5 */
SMART_CMD(0x17),
SMART_DAT(0x00),
SMART_DAT(0x01),
SMART_CMD(0x00), /* Power control 1 */
SMART_CMD(0x10),
SMART_DAT(0x10),
SMART_DAT(0xB0),
SMART_CMD(0x00), /* Power control 2 */
SMART_CMD(0x11),
SMART_DAT(0x01),
SMART_DAT(0x30),
SMART_CMD(0x00), /* Power control 3 */
SMART_CMD(0x12),
SMART_DAT(0x01),
SMART_DAT(0x9E),
SMART_CMD(0x00), /* Power control 4 */
SMART_CMD(0x13),
SMART_DAT(0x17),
SMART_DAT(0x00),
SMART_CMD(0x00), /* Power control 3 */
SMART_CMD(0x12),
SMART_DAT(0x01),
SMART_DAT(0xBE),
SMART_DELAY(100),
/* display mode : 240*320 */
SMART_CMD(0x00), /* RAM address set(H) 0*/
SMART_CMD(0x20),
SMART_DAT(0x00),
SMART_DAT(0x00),
SMART_CMD(0x00), /* RAM address set(V) 4*/
SMART_CMD(0x21),
SMART_DAT(0x00),
SMART_DAT(0x00),
SMART_CMD(0x00), /* Start of Window RAM address set(H) 8*/
SMART_CMD(0x50),
SMART_DAT(0x00),
SMART_DAT(0x00),
SMART_CMD(0x00), /* End of Window RAM address set(H) 12*/
SMART_CMD(0x51),
SMART_DAT(0x00),
SMART_DAT(0xEF),
SMART_CMD(0x00), /* Start of Window RAM address set(V) 16*/
SMART_CMD(0x52),
SMART_DAT(0x00),
SMART_DAT(0x00),
SMART_CMD(0x00), /* End of Window RAM address set(V) 20*/
SMART_CMD(0x53),
SMART_DAT(0x01),
SMART_DAT(0x3F),
SMART_CMD(0x00), /* Panel interface control 1 */
SMART_CMD(0x90),
SMART_DAT(0x00),
SMART_DAT(0x1A),
SMART_CMD(0x00), /* Panel interface control 2 */
SMART_CMD(0x92),
SMART_DAT(0x04),
SMART_DAT(0x00),
SMART_CMD(0x00), /* Panel interface control 3 */
SMART_CMD(0x93),
SMART_DAT(0x00),
SMART_DAT(0x05),
SMART_DELAY(20),
};
static uint16_t lcd_panel_on[] = {
SMART_CMD(0x00),
SMART_CMD(0x07),
SMART_DAT(0x00),
SMART_DAT(0x21),
SMART_DELAY(1),
SMART_CMD(0x00),
SMART_CMD(0x07),
SMART_DAT(0x00),
SMART_DAT(0x61),
SMART_DELAY(100),
SMART_CMD(0x00),
SMART_CMD(0x07),
SMART_DAT(0x01),
SMART_DAT(0x73),
SMART_DELAY(1),
};
static uint16_t lcd_panel_off[] = {
SMART_CMD(0x00),
SMART_CMD(0x07),
SMART_DAT(0x00),
SMART_DAT(0x72),
SMART_DELAY(40),
SMART_CMD(0x00),
SMART_CMD(0x07),
SMART_DAT(0x00),
SMART_DAT(0x01),
SMART_DELAY(1),
SMART_CMD(0x00),
SMART_CMD(0x07),
SMART_DAT(0x00),
SMART_DAT(0x00),
SMART_DELAY(1),
};
static uint16_t lcd_power_off[] = {
SMART_CMD(0x00),
SMART_CMD(0x10),
SMART_DAT(0x00),
SMART_DAT(0x80),
SMART_CMD(0x00),
SMART_CMD(0x11),
SMART_DAT(0x01),
SMART_DAT(0x60),
SMART_CMD(0x00),
SMART_CMD(0x12),
SMART_DAT(0x01),
SMART_DAT(0xAE),
SMART_DELAY(40),
SMART_CMD(0x00),
SMART_CMD(0x10),
SMART_DAT(0x00),
SMART_DAT(0x00),
};
static uint16_t update_framedata[] = {
/* set display ram: 240*320 */
SMART_CMD(0x00), /* RAM address set(H) 0*/
SMART_CMD(0x20),
SMART_DAT(0x00),
SMART_DAT(0x00),
SMART_CMD(0x00), /* RAM address set(V) 4*/
SMART_CMD(0x21),
SMART_DAT(0x00),
SMART_DAT(0x00),
SMART_CMD(0x00), /* Start of Window RAM address set(H) 8 */
SMART_CMD(0x50),
SMART_DAT(0x00),
SMART_DAT(0x00),
SMART_CMD(0x00), /* End of Window RAM address set(H) 12 */
SMART_CMD(0x51),
SMART_DAT(0x00),
SMART_DAT(0xEF),
SMART_CMD(0x00), /* Start of Window RAM address set(V) 16 */
SMART_CMD(0x52),
SMART_DAT(0x00),
SMART_DAT(0x00),
SMART_CMD(0x00), /* End of Window RAM address set(V) 20 */
SMART_CMD(0x53),
SMART_DAT(0x01),
SMART_DAT(0x3F),
/* wait for vsync cmd before transferring frame data */
SMART_CMD_WAIT_FOR_VSYNC,
/* write ram */
SMART_CMD(0x00),
SMART_CMD(0x22),
/* write frame data */
SMART_CMD_WRITE_FRAME,
};
static void ltm022a97a_lcd_power(int on, struct fb_var_screeninfo *var)
{
static int pin_requested = 0;
struct fb_info *info = container_of(var, struct fb_info, var);
int err;
if (!pin_requested) {
err = gpio_request(GPIO_LCD_RESET, "lcd reset");
if (err) {
pr_err("failed to request gpio for LCD reset\n");
return;
}
gpio_direction_output(GPIO_LCD_RESET, 0);
pin_requested = 1;
}
if (on) {
gpio_set_value(GPIO_LCD_RESET, 0); msleep(100);
gpio_set_value(GPIO_LCD_RESET, 1); msleep(10);
pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_power_on));
pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_panel_on));
} else {
pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_panel_off));
pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_power_off));
}
err = pxafb_smart_flush(info);
if (err)
pr_err("%s: timed out\n", __func__);
}
static void ltm022a97a_update(struct fb_info *info)
{
pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
pxafb_smart_flush(info);
}
static struct pxafb_mode_info toshiba_ltm022a97a_modes[] = {
[0] = {
.xres = 240,
.yres = 320,
.bpp = 16,
.a0csrd_set_hld = 30,
.a0cswr_set_hld = 30,
.wr_pulse_width = 30,
.rd_pulse_width = 30,
.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 saar_lcd_info = {
.modes = toshiba_ltm022a97a_modes,
.num_modes = 1,
.lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
.pxafb_lcd_power = ltm022a97a_lcd_power,
.smart_update = ltm022a97a_update,
};
static void __init saar_init_lcd(void)
{
set_pxa_fb_info(&saar_lcd_info);
}
#else
static inline void saar_init_lcd(void) {}
#endif
#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
static struct da903x_subdev_info saar_da9034_subdevs[] = {
[0] = {
.name = "da903x-backlight",
.id = DA9034_ID_WLED,
},
};
static struct da903x_platform_data saar_da9034_info = {
.num_subdevs = ARRAY_SIZE(saar_da9034_subdevs),
.subdevs = saar_da9034_subdevs,
};
static struct i2c_board_info saar_i2c_info[] = {
[0] = {
.type = "da9034",
.addr = 0x34,
.platform_data = &saar_da9034_info,
.irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO83)),
},
};
static void __init saar_init_i2c(void)
{
pxa_set_i2c_info(NULL);
i2c_register_board_info(0, ARRAY_AND_SIZE(saar_i2c_info));
}
#else
static inline void saar_init_i2c(void) {}
#endif
static void __init saar_init(void)
{
/* initialize MFP configurations */
pxa3xx_mfp_config(ARRAY_AND_SIZE(saar_mfp_cfg));
platform_device_register(&smc91x_device);
saar_init_i2c();
saar_init_lcd();
}
MACHINE_START(SAAR, "PXA930 Handheld Platform (aka SAAR)")