mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-26 10:50:54 +07:00
[ARM] pxa/saar: add support for the on-board smart panel LCD
Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Eric Miao
parent
b6795fa9fd
commit
111059e7f4
@ -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)")
|
||||
|
||||
Loading…
Reference in New Issue
Block a user