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Message-ID: <20061109232415.GF2616@elf.ucw.cz>
Date: Fri, 10 Nov 2006 00:24:15 +0100
From: Pavel Machek <pavel@....cz>
To: kernel list <linux-kernel@...r.kernel.org>,
Vladimir Ananiev <vovan888@...il.com>
Subject: Some sx1 cleanups
Hi!
This should bring sx1 patches little closer to mainline's coding
style.... It would be nice to see them applied. I was pretty careful
not to break anything, but these are only compile-tested (did not
figure out how to produce working kernel, yet).
Signed-off-by: Pavel Machek <pavel@...e.cz>
diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c
index 441a236..0e50ab3 100644
--- a/arch/arm/mach-omap1/board-sx1.c
+++ b/arch/arm/mach-omap1/board-sx1.c
@@ -5,9 +5,8 @@
*
* Support for the Siemens SX1 mobile phone.
*
- * Original version : Vovan888-at-gmail com
- *
- * Maintainters : Vovan888, Sergge
+ * Original version: Vladimir Ananiev (vovan888 at gmail com)
+ * Maintainters: Vovan888, Sergge
* oslik.ru
*
* This program is free software; you can redistribute it and/or modify
@@ -41,21 +40,9 @@ #include <asm/arch/board.h>
#include <asm/arch/common.h>
#include <asm/arch/mcbsp.h>
#include <asm/arch/omap-alsa.h>
-//#include <asm/hardware/clock.h>
#include <asm/arch/keypad.h>
-//----------------------------------------------------------------------------------
-#define OMAP_I2C_DEBUG 0
-
-#if (OMAP_I2C_DEBUG > 0)
-#define DBG(format, args...) printk(KERN_ERR "%s(): " format, __FUNCTION__, ## args);
-#define DBG_IRQ(format, args...) printk(KERN_ERR "%s(): " format, __FUNCTION__, ## args);
-#else
-#define DBG(format, args...)
-#define DBG_IRQ(format, args...)
-#endif
-
-int i2c_write_byte (u8 devaddr, u8 regoffset, u8 value)
+int i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
{
struct i2c_adapter *adap;
int err;
@@ -69,9 +56,8 @@ int i2c_write_byte (u8 devaddr, u8 regof
msg->flags = 0;
msg->len = 2;
msg->buf = data;
- data[0] = regoffset; // register num
- data[1] = value; // register data
-// printk("Sofia write: %x %x\n", reg, val);
+ data[0] = regoffset; /* register num */
+ data[1] = value; /* register data */
err = i2c_transfer(adap, msg, 1);
if (err >= 0)
return 0;
@@ -80,7 +66,7 @@ int i2c_write_byte (u8 devaddr, u8 regof
/* Read from I2C device
*/
-int i2c_read_byte (u8 devaddr, u8 regoffset, u8 * value)
+int i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
{
struct i2c_adapter *adap;
int err;
@@ -95,8 +81,7 @@ int i2c_read_byte (u8 devaddr, u8 regoff
msg->flags = 0;
msg->len = 1;
msg->buf = data;
- data[0] = regoffset; // register num
-// printk("Sofia write: %x %x\n", reg, val);
+ data[0] = regoffset; /* register num */
err = i2c_transfer(adap, msg, 1);
msg->addr = devaddr; /* I2C address */
@@ -106,73 +91,85 @@ int i2c_read_byte (u8 devaddr, u8 regoff
err = i2c_transfer(adap, msg, 1);
*value = data[0];
- DBG("I2C: Read data is %x\n", (u8) * data);
if (err >= 0)
return 0;
return err;
}
-// set keylight intensity
-int sx1_setkeylight ( u8 keylight )
+
+/* set intensity of keyboard backlight */
+int sx1_setkeylight(u8 keylight)
{
- if ( keylight > SOFIA_MAX_LIGHT_VAL )
+ if (keylight > SOFIA_MAX_LIGHT_VAL)
keylight = SOFIA_MAX_LIGHT_VAL;
- return i2c_write_byte( SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight );
+ return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
}
-// get current keylight intensity
-int sx1_getkeylight ( u8 * keylight )
+
+/* get current intensity of keyboard backlight */
+int sx1_getkeylight(u8 *keylight)
{
- return i2c_read_byte( SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight );
+ return i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
}
-// set LCD backlight intensity
-int sx1_setbacklight ( u8 backlight )
+
+/* set LCD backlight intensity */
+int sx1_setbacklight(u8 backlight)
{
- if ( backlight > SOFIA_MAX_LIGHT_VAL )
+ if (backlight > SOFIA_MAX_LIGHT_VAL)
backlight = SOFIA_MAX_LIGHT_VAL;
- return i2c_write_byte( SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, backlight );
+ return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, backlight);
}
-// get current LCD backlight intensity
-int sx1_getbacklight ( u8 * backlight )
+
+/* get current LCD backlight intensity */
+int sx1_getbacklight (u8 *backlight)
{
- return i2c_read_byte( SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, backlight );
+ return i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, backlight);
}
-// set LCD backlight power on/off
-int sx1_setmmipower ( u8 onoff )
+
+/* set LCD backlight power on/off */
+int sx1_setmmipower(u8 onoff)
{
int err;
u8 dat = 0;
- if( (err = i2c_read_byte( SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat )) < 0 )
+
+ err = i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
+ if (err < 0)
return err;
- if ( onoff )
+ if (onoff)
dat |= SOFIA_MMILIGHT_POWER;
else
dat &= ~SOFIA_MMILIGHT_POWER;
- return i2c_write_byte( SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat );
+ return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat );
}
-// set MMC power on/off
-int sx1_setmmcpower ( u8 onoff )
+
+/* set MMC power on/off */
+int sx1_setmmcpower(u8 onoff)
{
int err;
u8 dat = 0;
- if( (err = i2c_read_byte( SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat )) < 0 )
+
+ err = i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
+ if (err < 0)
return err;
- if ( onoff )
+ if (onoff)
dat |= SOFIA_MMC_POWER;
else
dat &= ~SOFIA_MMC_POWER;
- return i2c_write_byte( SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat );
+ return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
}
-// set USB power on/off
-int sx1_setusbpower ( u8 onoff )
+
+/* set USB power on/off */
+int sx1_setusbpower(u8 onoff)
{
int err;
u8 dat = 0;
- if( (err = i2c_read_byte( SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat )) < 0 )
+
+ err = i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
+ if (err < 0)
return err;
- if ( onoff )
+ if (onoff)
dat |= SOFIA_USB_POWER;
else
dat &= ~SOFIA_USB_POWER;
- return i2c_write_byte( SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat );
+ return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
}
@@ -184,37 +181,37 @@ EXPORT_SYMBOL(sx1_setmmipower);
EXPORT_SYMBOL(sx1_setmmcpower);
EXPORT_SYMBOL(sx1_setusbpower);
-//----------------------------------------------------------------------------------
+/* ------------------------------------------------------------------------- */
static int sx1_keymap[] = {
- KEY(5, 3, GROUP_0 | 117), // camera Qt::Key_F17
- KEY(0, 4, GROUP_0 | 114), // voice memo Qt::Key_F14
- KEY(1, 4, GROUP_2 | 114), // voice memo
- KEY(2, 4, GROUP_3 | 114), // voice memo
- KEY(0, 0, GROUP_1 | KEY_F12), // red button Qt::Key_Hangup
+ KEY(5, 3, GROUP_0 | 117), /* camera Qt::Key_F17 */
+ KEY(0, 4, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
+ KEY(1, 4, GROUP_2 | 114), /* voice memo */
+ KEY(2, 4, GROUP_3 | 114), /* voice memo */
+ KEY(0, 0, GROUP_1 | KEY_F12), /* red button Qt::Key_Hangup */
KEY(4, 3, GROUP_1 | KEY_LEFT),
KEY(2, 3, GROUP_1 | KEY_DOWN),
KEY(1, 3, GROUP_1 | KEY_RIGHT),
KEY(0, 3, GROUP_1 | KEY_UP),
- KEY(3, 3, GROUP_1 | KEY_POWER), //joystick press or Qt::Key_Select
+ KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
KEY(5, 0, GROUP_1 | KEY_1),
KEY(4, 0, GROUP_1 | KEY_2),
KEY(3, 0, GROUP_1 | KEY_3),
KEY(3, 4, GROUP_1 | KEY_4),
KEY(4, 4, GROUP_1 | KEY_5),
- KEY(5, 4, GROUP_1 | KEY_KPASTERISK),// *
+ KEY(5, 4, GROUP_1 | KEY_KPASTERISK), /* * */
KEY(4, 1, GROUP_1 | KEY_6),
KEY(5, 1, GROUP_1 | KEY_7),
KEY(3, 1, GROUP_1 | KEY_8),
KEY(3, 2, GROUP_1 | KEY_9),
KEY(5, 2, GROUP_1 | KEY_0),
- KEY(4, 2, GROUP_1 | 113),// # F13 Toggle input method Qt::Key_F13
- KEY(0, 1, GROUP_1 | KEY_F11),// green button Qt::Key_Call
- KEY(1, 2, GROUP_1 | KEY_YEN),// left soft Qt::Key_Context1
- KEY(2, 2, GROUP_1 | KEY_F8),// right soft Qt::Key_Back
- KEY(2, 1, GROUP_1 | KEY_LEFTSHIFT), //shift
- KEY(1, 1, GROUP_1 | KEY_BACKSPACE), // C (clear)
- KEY(0, 2, GROUP_1 | KEY_F7), // menu Qt::Key_Menu
+ KEY(4, 2, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
+ KEY(0, 1, GROUP_1 | KEY_F11), /* green button Qt::Key_Call */
+ KEY(1, 2, GROUP_1 | KEY_YEN), /* left soft Qt::Key_Context1 */
+ KEY(2, 2, GROUP_1 | KEY_F8), /* right soft Qt::Key_Back */
+ KEY(2, 1, GROUP_1 | KEY_LEFTSHIFT), /* shift */
+ KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
+ KEY(0, 2, GROUP_1 | KEY_F7), /* menu Qt::Key_Menu */
0
};
@@ -286,62 +283,41 @@ static struct omap_mcbsp_reg_cfg mcbsp_r
.srgr1 = FWID(15),
.srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
-// .pcr0 = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
- .pcr0 = CLKXP | CLKRP, // mcbsp: slave
+ .pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
};
+
/* Playback interface - McBSP1 */
static struct omap_mcbsp_reg_cfg mcbsp1_regs = {
- // SPCR2=30
- .spcr2 = XINTM(3),
- // SPCR1=30
- .spcr1 = RINTM(3),
- // RCR2=00
- .rcr2 =0,
-// RCR1=140
- .rcr1 = RFRLEN1(1) | RWDLEN1(OMAP_MCBSP_WORD_16),
-// XCR2 = 0
- .xcr2 =0,
-// XCR1 = 140
- .xcr1 = XFRLEN1(1) | XWDLEN1(OMAP_MCBSP_WORD_16),
-// SRGR1=0f0c
- .srgr1 = FWID(15) | CLKGDV(12),
-// SRGR2=101f
- .srgr2 = FSGM | FPER(31),
-// PCR0=0f0f
- .pcr0 = FSXM | FSRM | CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
+ .spcr2 = XINTM(3), /* SPCR2=30 */
+ .spcr1 = RINTM(3), /* SPCR1=30 */
+ .rcr2 = 0, /* RCR2 =00 */
+ .rcr1 = RFRLEN1(1) | RWDLEN1(OMAP_MCBSP_WORD_16), /* RCR1=140 */
+ .xcr2 =0, /* XCR2 = 0 */
+ .xcr1 = XFRLEN1(1) | XWDLEN1(OMAP_MCBSP_WORD_16), /* XCR1 = 140 */
+ .srgr1 = FWID(15) | CLKGDV(12), /* SRGR1=0f0c */
+ .srgr2 = FSGM | FPER(31), /* SRGR2=101f */
+ .pcr0 = FSXM | FSRM | CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
+ /* PCR0 =0f0f */
};
-/* TODO PCM interface - McBSP2 */
+
+/* TODO: PCM interface - McBSP2 */
static struct omap_mcbsp_reg_cfg mcbsp2_regs = {
- // SPCR2=F1
- .spcr2 = FRST | GRST | XRST | XINTM(3),
- // SPCR1=30
- .spcr1 = RINTM(3) | RRST,
- // RCR2=00
- .rcr2 =0,
-// RCR1=140
- .rcr1 = RFRLEN1(1) | RWDLEN1(OMAP_MCBSP_WORD_16),
-// XCR2 = 0
- .xcr2 =0,
-// XCR1 = 140
- .xcr1 = XFRLEN1(1) | XWDLEN1(OMAP_MCBSP_WORD_16),
-// SRGR1=0f0c
- .srgr1 = FWID(15) | CLKGDV(12),
-// SRGR2=101f
- .srgr2 = FSGM | FPER(31),
-// PCR0=0f0f
+ .spcr2 = FRST | GRST | XRST | XINTM(3), /* SPCR2=F1 */
+ .spcr1 = RINTM(3) | RRST, /* SPCR1=30 */
+ .rcr2 = 0, /* RCR2 =00 */
+ .rcr1 = RFRLEN1(1) | RWDLEN1(OMAP_MCBSP_WORD_16), /* RCR1 = 140 */
+ .xcr2 = 0, /* XCR2 = 0 */
+ .xcr1 = XFRLEN1(1) | XWDLEN1(OMAP_MCBSP_WORD_16), /* XCR1 = 140 */
+ .srgr1 = FWID(15) | CLKGDV(12), /* SRGR1=0f0c */
+ .srgr2 = FSGM | FPER(31), /* SRGR2=101f */
.pcr0 = FSXM | FSRM | CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
- //.pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
+ /* PCR0=0f0f */
+ /* mcbsp: slave */
};
static struct omap_alsa_codec_config sx1_alsa_config = {
.name = "SX1 EGold",
.mcbsp_regs_alsa = &mcbsp1_regs,
- .codec_configure_dev = NULL, // tsc2101_configure,
- .codec_set_samplerate = NULL, // tsc2101_set_samplerate,
- .codec_clock_setup = NULL, // tsc2101_clock_setup,
- .codec_clock_on = NULL, // tsc2101_clock_on,
- .codec_clock_off = NULL, // tsc2101_clock_off,
- .get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
};
static struct platform_device sx1_mcbsp1_device = {
@@ -352,7 +328,7 @@ static struct platform_device sx1_mcbsp1
},
};
-/*-------------------------------------------------------------------------------------*/
+/* ------------------------------------------------------------------------ */
static struct mtd_partition sx1_partitions[] = {
/* bootloader (U-Boot, etc) in first sector */
{
@@ -375,13 +351,6 @@ static struct mtd_partition sx1_partitio
.size = SZ_2M - 2 * SZ_128K,
.mask_flags = 0
},
- /* rest of flash1 is a file system */
-/* {
- .name = "rootfs",
- .offset = MTDPART_OFS_APPEND,
- .size = SZ_8M - SZ_2M - 2 * SZ_128K,
- .mask_flags = 0
- },*/
/* file system */
{
.name = "filesystem",
@@ -397,12 +366,16 @@ static struct flash_platform_data sx1_fl
.parts = sx1_partitions,
.nr_parts = ARRAY_SIZE(sx1_partitions),
};
-// MTD flash at 01800000 - new flashes
+
+/* MTD flash at 01800000 - new flashes */
static struct resource sx1_flash_resource = {
+#ifndef CONFIG_SX1_OLD_FLASH
.start = OMAP_CS0_PHYS,
.end = OMAP_CS0_PHYS + SZ_32M - 1,
-/* .start = OMAP_CS0_PHYS + SZ_16M + SZ_8M,
- .end = OMAP_CS0_PHYS + SZ_16M + SZ_8M + SZ_8M - 1, */
+#else
+ .start = OMAP_CS0_PHYS + SZ_16M + SZ_8M,
+ .end = OMAP_CS0_PHYS + SZ_16M + SZ_8M + SZ_8M - 1,
+#endif
.flags = IORESOURCE_MEM,
};
@@ -415,7 +388,8 @@ static struct platform_device sx1_flash_
.num_resources = 1,
.resource = &sx1_flash_resource,
};
-/*-------------------------------------------------------------------------------------*/
+
+/* -------------------------------------------------------------------- */
static struct omap_usb_config sx1_usb_config __initdata = {
.otg = 0,
.register_dev = 1,
@@ -425,7 +399,8 @@ static struct omap_usb_config sx1_usb_co
.pins[1] = 0,
.pins[2] = 0,
};
-/*-------------------------------------------------------------------------------------*/
+
+/* -------------------------------------------------------------------- */
static struct omap_mmc_config sx1_mmc_config __initdata = {
.mmc [0] = {
.enabled = 1,
@@ -440,17 +415,17 @@ static struct platform_device sx1_lcd_de
.name = "lcd_sx1",
.id = -1,
};
-/*-------------------------------------------------------------------------------------*/
+
+/* -------------------------------------------------------------------- */
static struct platform_device *sx1_devices[] __initdata = {
&sx1_flash_device,
&sx1_kp_device,
&sx1_lcd_device,
&sx1_mcbsp1_device,
-// &h2_irda_device,
};
-/*-------------------------------------------------------------------------------------*/
+
+/* -------------------------------------------------------------------- */
static struct omap_lcd_config sx1_lcd_config __initdata = {
-/* .panel_name = "sx1", */
.ctrl_name = "internal",
};
@@ -465,7 +440,8 @@ static struct omap_board_config_kernel s
{ OMAP_TAG_LCD, &sx1_lcd_config },
{ OMAP_TAG_UART, &sx1_uart_config },
};
-/*-------------------------------------------------------------------------------------*/
+
+/* -------------------------------------------------------------------- */
static void __init omap_sx1_init(void)
{
platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
@@ -474,28 +450,27 @@ static void __init omap_sx1_init(void)
omap_board_config_size = ARRAY_SIZE(sx1_config);
omap_serial_init();
-// turn on USB
-/* sx1_setusbpower(1); cant do it here `cause i2c is not ready*/
- omap_request_gpio(1); // A_IRDA_OFF
- omap_request_gpio(11); // A_SWITCH
- omap_request_gpio(15); // A_USB_ON
- omap_set_gpio_direction(1, 0);// gpio1 -> output
- omap_set_gpio_direction(11, 0);// gpio11 -> output
- omap_set_gpio_direction(15, 0);// gpio15 -> output
-// set GPIO data
- omap_set_gpio_dataout(1, 1);//A_IRDA_OFF = 1
- omap_set_gpio_dataout(11, 0);//A_SWITCH = 0
- omap_set_gpio_dataout(15, 0);//A_USB_ON = 0
+ /* turn on USB; sx1_setusbpower(1); cant do it here, because
+ i2c is not ready. */
+ omap_request_gpio(1); /* A_IRDA_OFF */
+ omap_request_gpio(11); /* A_SWITCH */
+ omap_request_gpio(15); /* A_USB_ON */
+ omap_set_gpio_direction(1, 0); /* Set all to output */
+ omap_set_gpio_direction(11, 0);
+ omap_set_gpio_direction(15, 0);
+ omap_set_gpio_dataout(1, 1); /* A_IRDA_OFF = 1 */
+ omap_set_gpio_dataout(11, 0); /* A_SWITCH = 0 */
+ omap_set_gpio_dataout(15, 0); /* A_USB_ON = 0 */
}
-/*-------------------------------------------------------------------------------------*/
+
+/* -------------------------------------------------------------------- */
static void __init omap_sx1_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap_gpio_init();
}
-/*-------------------------------------------------------------------------------------*/
static void __init omap_sx1_map_io(void)
{
diff --git a/drivers/video/omap/lcd_sx1.c b/drivers/video/omap/lcd_sx1.c
index 818a9ce..3a8e023 100644
--- a/drivers/video/omap/lcd_sx1.c
+++ b/drivers/video/omap/lcd_sx1.c
@@ -22,19 +22,16 @@
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/delay.h>
#include <asm/io.h>
#include <asm/arch/gpio.h>
-#include <linux/delay.h>
#include <asm/arch/omapfb.h>
#include <asm/arch/mcbsp.h>
#include <asm/arch/mux.h>
-//#include <asm/arch/board-sx1.h>
-// #define OMAPFB_DBG 1
/*
* OMAP310 GPIO registers
*/
-//#define OMAP1510_GPIO_BASE 0xfffce000
#define GPIO_DATA_INPUT 0xfffce000
#define GPIO_DATA_OUTPUT 0xfffce004
#define GPIO_DIR_CONTROL 0xfffce008
@@ -50,11 +47,8 @@ #define _A_LCD_RESET 9
#define _A_LCD_SSC_CS 12
#define _A_LCD_SSC_A0 13
-// MCBPS3_PCR0
-// A_LCD_SSC_CLK
#define DSP_REG 0xE1017024
-// from videodriver.dll
const unsigned char INIT_1[12] = {
0x1C, 0x02, 0x88, 0x00, 0x1E, 0xE0, 0x00, 0xDC, 0x00, 0x02, 0x00
};
@@ -74,152 +68,147 @@ const unsigned char INIT_3[15] = {
0x14, 0x26, 0x33, 0x3D, 0x45, 0x4D, 0x53, 0x59,
0x5E, 0x63, 0x67, 0x6D, 0x71, 0x78, 0xFF
};
-// from videodriver.dll
-static void epson_sendbyte( int flag, unsigned char byte)
+
+static void epson_sendbyte(int flag, unsigned char byte)
{
+ int i, shifter = 0x80;
- int i, shifter = 0x80;
- if( !flag )
- omap_set_gpio_dataout( _A_LCD_SSC_A0, 0 );
- mdelay( 2 );
- omap_set_gpio_dataout( A_LCD_SSC_RD, 1 );
+ if (!flag)
+ omap_set_gpio_dataout(_A_LCD_SSC_A0, 0);
+ mdelay(2);
+ omap_set_gpio_dataout(A_LCD_SSC_RD, 1);
- omap_set_gpio_dataout( A_LCD_SSC_SD, flag );
+ omap_set_gpio_dataout(A_LCD_SSC_SD, flag);
- OMAP_MCBSP_WRITE( OMAP1510_MCBSP3_BASE, PCR0, 0x2200 );
- OMAP_MCBSP_WRITE( OMAP1510_MCBSP3_BASE, PCR0, 0x2202 );
- for( i = 0; i < 8; i++ ) {
- OMAP_MCBSP_WRITE( OMAP1510_MCBSP3_BASE, PCR0, 0x2200 );
- omap_set_gpio_dataout( A_LCD_SSC_SD, shifter & byte );
- OMAP_MCBSP_WRITE( OMAP1510_MCBSP3_BASE, PCR0, 0x2202 );
+ OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2200);
+ OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2202);
+ for (i = 0; i < 8; i++) {
+ OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2200);
+ omap_set_gpio_dataout(A_LCD_SSC_SD, shifter & byte);
+ OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2202);
shifter >>= 1;
}
- omap_set_gpio_dataout( _A_LCD_SSC_A0, 1 );
+ omap_set_gpio_dataout(_A_LCD_SSC_A0, 1);
}
-static void InitSystem(void)
+static void init_system(void)
{
-//from videodriver.dll
-// EN_PERCK - enable peripheral clock
-// omap_writew( omap_readw(ARM_IDLECT2) | 0x02 , ARM_IDLECT2);
-// PER_EN - MPUPER_nRST signal enable
-// omap_writew( omap_readw(ARM_RSTCT2) | 0x01 , ARM_RSTCT2);
-// omap_writew( (omap_readw(MPUI_CTRL) & ~0x30004 ) | 0xFF1B , MPUI_CTRL);
-// omap_writew( 0x02 , MPUI_DSP_BOOT_CONFIG);
-
omap_mcbsp_request(OMAP_MCBSP3);
omap_mcbsp_stop(OMAP_MCBSP3);
-
-
}
-static void SetupGPIO(void)
+
+static void setup_GPIO(void)
{
-// from videodriver.dll
-// new wave
+ /* new wave */
omap_request_gpio(A_LCD_SSC_RD);
omap_request_gpio(A_LCD_SSC_SD);
omap_request_gpio(_A_LCD_RESET);
omap_request_gpio(_A_LCD_SSC_CS);
omap_request_gpio(_A_LCD_SSC_A0);
-// set GPIO direction
- omap_set_gpio_direction(A_LCD_SSC_RD, 0);// gpio3 -> output
- omap_set_gpio_direction(A_LCD_SSC_SD, 0);// gpio7 -> output
- omap_set_gpio_direction(_A_LCD_RESET, 0);// gpio9 -> output
- omap_set_gpio_direction(_A_LCD_SSC_CS, 0);// gpio12 -> output
- omap_set_gpio_direction(_A_LCD_SSC_A0, 0);// gpio13 -> output
-// set GPIO data
- omap_set_gpio_dataout( A_LCD_SSC_RD, 1 );
- omap_set_gpio_dataout( A_LCD_SSC_SD, 0 );
- omap_set_gpio_dataout( _A_LCD_RESET, 0 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );
- omap_set_gpio_dataout( _A_LCD_SSC_A0, 1 );
+
+ /* set all GPIOs to output */
+ omap_set_gpio_direction(A_LCD_SSC_RD, 0);
+ omap_set_gpio_direction(A_LCD_SSC_SD, 0);
+ omap_set_gpio_direction(_A_LCD_RESET, 0);
+ omap_set_gpio_direction(_A_LCD_SSC_CS, 0);
+ omap_set_gpio_direction(_A_LCD_SSC_A0, 0);
+
+ /* set GPIO data */
+ omap_set_gpio_dataout(A_LCD_SSC_RD, 1);
+ omap_set_gpio_dataout(A_LCD_SSC_SD, 0);
+ omap_set_gpio_dataout(_A_LCD_RESET, 0);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+ omap_set_gpio_dataout(_A_LCD_SSC_A0, 1);
}
-static void DysplayInit(void)
+static void display_init(void)
{
-// unsigned short w;
- int i;
+ int i;
- omap_cfg_reg( MCBSP3_CLKX );
+ omap_cfg_reg(MCBSP3_CLKX);
-// w = omap_readl(FUNC_MUX_CTRL_0);
-// w |= 0x40; w &= ~8;
-// omap_writel( w, FUNC_MUX_CTRL_0);
-
-// mdelay(2); //small pause
-// omap_writel( omap_readl(FUNC_MUX_CTRL_1) | 0x80000000, FUNC_MUX_CTRL_1 );
mdelay(2);
- SetupGPIO();
+ setup_GPIO();
mdelay(2);
-// reset LCD
- omap_set_gpio_dataout( A_LCD_SSC_SD, 1 );
-// omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );
- epson_sendbyte( 0, 0x25 );
- omap_set_gpio_dataout( _A_LCD_RESET, 0 );
+ /* reset LCD */
+ omap_set_gpio_dataout(A_LCD_SSC_SD, 1);
+ epson_sendbyte(0, 0x25);
+
+ omap_set_gpio_dataout(_A_LCD_RESET, 0);
mdelay(10);
- omap_set_gpio_dataout( _A_LCD_RESET, 1 );
+ omap_set_gpio_dataout(_A_LCD_RESET, 1);
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
mdelay(2);
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 0 );
-// init LCD phase 1
- epson_sendbyte( 0, 0xCA );
- for( i = 0; i < 10; i++)
- epson_sendbyte( 1, INIT_1[i] );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 0 );
-// init LCD phase 2
- epson_sendbyte( 0, 0xCB );
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+ /* init LCD, phase 1 */
+ epson_sendbyte(0, 0xCA);
+ for (i = 0; i < 10; i++)
+ epson_sendbyte(1, INIT_1[i]);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+ /* init LCD phase 2 */
+ epson_sendbyte(0, 0xCB);
for( i = 0; i < 125; i++)
- epson_sendbyte( 1, INIT_2[i] );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 0 );
-// init LCD phase 2
- epson_sendbyte( 0, 0xCC );
+ epson_sendbyte(1, INIT_2[i]);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+ /* init LCD phase 2a */
+ epson_sendbyte(0, 0xCC);
for( i = 0; i < 14; i++)
- epson_sendbyte( 1, INIT_3[i] );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 0 );
-// init LCD phase 3
- epson_sendbyte( 0, 0xBC );
- epson_sendbyte( 1, 0x08 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 0 );
-// init LCD phase 4
- epson_sendbyte( 0, 0x07 );
- epson_sendbyte( 1, 0x05 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 0 );
-// init LCD phase 5
- epson_sendbyte( 0, 0x94 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 0 );
-// init LCD phase 6
- epson_sendbyte( 0, 0xC6 );
- epson_sendbyte( 1, 0x80 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );
- mdelay(100); // there was 1000
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 0 );
-// init LCD phase 7
- epson_sendbyte( 0, 0x16 );
- epson_sendbyte( 1, 0x02 );
- epson_sendbyte( 1, 0x00 );
- epson_sendbyte( 1, 0xB1 );
- epson_sendbyte( 1, 0x00 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 0 );
-// init LCD phase 8
- epson_sendbyte( 0, 0x76 );
- epson_sendbyte( 1, 0x00 );
- epson_sendbyte( 1, 0x00 );
- epson_sendbyte( 1, 0xDB );
- epson_sendbyte( 1, 0x00 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 0 );
-// init LCD phase 9
- epson_sendbyte( 0, 0xAF );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );
+ epson_sendbyte(1, INIT_3[i]);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+ /* init LCD phase 3 */
+ epson_sendbyte(0, 0xBC);
+ epson_sendbyte(1, 0x08);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+ /* init LCD phase 4 */
+ epson_sendbyte(0, 0x07);
+ epson_sendbyte(1, 0x05);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+ /* init LCD phase 5 */
+ epson_sendbyte(0, 0x94);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+ /* init LCD phase 6 */
+ epson_sendbyte(0, 0xC6);
+ epson_sendbyte(1, 0x80);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+ mdelay(100); /* used to be 1000 */
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+ /* init LCD phase 7 */
+ epson_sendbyte(0, 0x16);
+ epson_sendbyte(1, 0x02);
+ epson_sendbyte(1, 0x00);
+ epson_sendbyte(1, 0xB1);
+ epson_sendbyte(1, 0x00);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+ /* init LCD phase 8 */
+ epson_sendbyte(0, 0x76);
+ epson_sendbyte(1, 0x00);
+ epson_sendbyte(1, 0x00);
+ epson_sendbyte(1, 0xDB);
+ epson_sendbyte(1, 0x00);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+
+ /* init LCD phase 9 */
+ epson_sendbyte(0, 0xAF);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
}
static int sx1_panel_init(struct omapfb_device *fbdev)
@@ -233,43 +222,35 @@ static void sx1_panel_cleanup(void)
static void sx1_panel_disable(void)
{
-
printk(KERN_INFO "SX1: LCD panel disable\n");
- sx1_setmmipower( 0 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );// TK1DisplayController__UnSelect
+ sx1_setmmipower(0);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
- epson_sendbyte( 0, 0x25 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 0 );// TK1DisplayController__Select
+ epson_sendbyte(0, 0x25);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
- epson_sendbyte( 0, 0xAE );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );// TK1DisplayController__UnSelect
+ epson_sendbyte(0, 0xAE);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
mdelay(100);
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 0 );// TK1DisplayController__Select
-
- epson_sendbyte( 0, 0x95 );
- omap_set_gpio_dataout( _A_LCD_SSC_CS, 1 );// TK1DisplayController__UnSelect
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
+ epson_sendbyte(0, 0x95);
+ omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
}
static int sx1_panel_enable(void)
{
-// sx1_panel_disable(); // try to disable panel first, if we boot from Symbian
+#if 0
+ sx1_panel_disable(); /* try to disable panel first, if we boot from Symbian */
+#endif
printk(KERN_INFO "lcd_sx1: LCD panel enable\n");
- InitSystem();
- DysplayInit();
-
- sx1_setmmipower( 1 );
- sx1_setbacklight( 0x18 );
- sx1_setkeylight ( 0x06 );
-
-/* PRNERR("LCD-CONTROL = %x\n",omap_readl(0xFFFEC000));
- PRNERR("LCD-Timing0 = %x\n",omap_readl(0xFFFEC004));
- PRNERR("LCD-Timing1 = %x\n",omap_readl(0xFFFEC008));
- PRNERR("LCD-Timing2 = %x\n",omap_readl(0xFFFEC00C));
- PRNERR("LCD-Status = %x\n",omap_readl(0xFFFEC010));
- PRNERR("LCD-subpanl = %x\n",omap_readl(0xFFFEC014));*/
+ init_system();
+ display_init();
+ sx1_setmmipower(1);
+ sx1_setbacklight(0x18);
+ sx1_setkeylight (0x06);
return 0;
}
@@ -284,7 +265,6 @@ struct lcd_panel sx1_panel = {
.config = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
OMAP_LCDC_INV_HSYNC | OMAP_LCDC_INV_PIX_CLOCK |
OMAP_LCDC_INV_OUTPUT_EN,
-// .signals = 0x0F,
.x_res = 176,
.y_res = 220,
@@ -296,7 +276,6 @@ struct lcd_panel sx1_panel = {
.vsw = 2,
.vfp = 1,
.vbp = 1,
-// .pcd = 3,
.pixel_clock = 1500,
.init = sx1_panel_init,
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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