Start of a Rockbox port to the Samsung YP-S3.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22085 a1c6a512-1295-4272-9138-f99709370657

5 files changed, 605 insertions, 0 deletions

diff --git a/firmware/target/arm/s5l8700/yps3/backlight-yps3.c b/firmware/target/arm/s5l8700/yps3/backlight-yps3.c
new file mode 100644
index 0000000000..0a9cf3cc9a
--- /dev/null
+++ b/firmware/target/arm/s5l8700/yps3/backlight-yps3.c
@@ -0,0 +1,78 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by Bertrik Sikken
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <stdbool.h>
+
+#include "config.h"
+#include "backlight.h"
+#include "backlight-target.h"
+#include "system.h"
+
+/*
+    Backlight driver using the PWM mode of a hardware timer.
+    
+    The PWM duty cycle depends exponentially on the configured brightness
+    level. This makes the brightness curve more linear to the human eye.
+ */
+
+void _backlight_set_brightness(int brightness)
+{
+    /* pwm = (sqrt(2)**x)-1, where brightness level x = 0..16 */
+    static const unsigned char logtable[] =
+        {0, 1, 2, 3, 5, 7, 10, 15, 22, 31, 44, 63, 90, 127, 180, 255};
+
+    /* set PWM width */
+    TADATA0 = 255 - logtable[brightness];
+}
+
+void _backlight_on(void)
+{
+    _backlight_set_brightness(backlight_brightness);
+}
+
+void _backlight_off(void)
+{
+    _backlight_set_brightness(MIN_BRIGHTNESS_SETTING);
+}
+
+bool _backlight_init(void)
+{
+    /* enable backlight pin as timer output */
+    PCON0 = ((PCON0 & ~(3 << 0)) | (2 << 0));
+
+    /* enable timer clock */
+    PWRCON &= ~(1 << 4);
+
+    /* configure timer */
+    TACMD = (1 << 1);   /* TC_CLR */
+    TACON = (0 << 13) | /* TC_INT1_EN */
+            (0 << 12) | /* TC_INT0_EN */
+            (0 << 11) | /* TC_START */
+            (3 << 8) |  /* TC_CS = PCLK / 64 */
+            (1 << 4);   /* TC_MODE_SEL = PWM mode */
+    TADATA1 = 255;      /* set PWM period */
+    TAPRE = 20;         /* prescaler */
+    TACMD = (1 << 0);   /* TC_EN */
+   
+    _backlight_on();
+
+    return true;
+}
+
diff --git a/firmware/target/arm/s5l8700/yps3/button-target.h b/firmware/target/arm/s5l8700/yps3/button-target.h
new file mode 100644
index 0000000000..86e8488857
--- /dev/null
+++ b/firmware/target/arm/s5l8700/yps3/button-target.h
@@ -0,0 +1,50 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by Bertrik Sikken
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef _BUTTON_TARGET_H_
+#define _BUTTON_TARGET_H_
+
+#include <stdbool.h>
+
+#define HAS_BUTTON_HOLD
+
+bool button_hold(void);
+void button_init_device(void);
+int button_read_device(void);
+
+#define BUTTON_BACK         0x00000001
+#define BUTTON_MENU         0x00000002
+#define BUTTON_UP           0x00000004
+#define BUTTON_DOWN         0x00000008
+#define BUTTON_LEFT         0x00000010
+#define BUTTON_RIGHT        0x00000020
+#define BUTTON_SELECT       0x00000040
+#define BUTTON_POWER        0x00000080
+
+#define BUTTON_MAIN (BUTTON_BACK|BUTTON_MENU|BUTTON_UP|BUTTON_DOWN|BUTTON_LEFT|\
+                    BUTTON_RIGHT|BUTTON_SELECT)
+
+#define BUTTON_REMOTE       0
+
+#define POWEROFF_BUTTON BUTTON_POWER
+#define POWEROFF_COUNT 10
+
+#endif /* _BUTTON_TARGET_H_ */
+
diff --git a/firmware/target/arm/s5l8700/yps3/fmradio-i2c-yps3.c b/firmware/target/arm/s5l8700/yps3/fmradio-i2c-yps3.c
new file mode 100644
index 0000000000..29261b8265
--- /dev/null
+++ b/firmware/target/arm/s5l8700/yps3/fmradio-i2c-yps3.c
@@ -0,0 +1,46 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by Bertrik Sikken
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+/*
+    FM radio i2c interface, allows the radio driver to talk to the tuner chip.
+
+ */
+
+#include "config.h"
+
+#include "i2c-s5l8700.h"
+#include "fmradio_i2c.h"
+
+void fmradio_i2c_init(void)
+{
+    /* nothing to do */
+}
+
+int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count)
+{
+    return i2c_write(address, -1, count, buf);
+}
+
+int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
+{
+    return i2c_read(address, -1, count, buf);
+}
+
diff --git a/firmware/target/arm/s5l8700/yps3/lcd-yps3.c b/firmware/target/arm/s5l8700/yps3/lcd-yps3.c
new file mode 100644
index 0000000000..6093eb3054
--- /dev/null
+++ b/firmware/target/arm/s5l8700/yps3/lcd-yps3.c
@@ -0,0 +1,336 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by Bertrik Sikken
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+
+#include "s5l8700.h"
+#include "lcd.h"
+
+/*  LCD driver for the Samsung YP-S3
+
+    It appears that this player can contain two display types.
+    Detection of the display type is done by looking at the level of pin P0.4.
+    Currently only display "type 2" has been implemented and tested.
+    
+    This driver could use DMA to do the screen updates, but currently writes
+    the data to the LCD using the processor instead.
+*/
+
+
+static int lcd_type = 0;
+
+
+static void lcd_delay(int delay)
+{
+    volatile int i;
+    for (i = 0; i < delay; i++);
+}
+
+static void lcd_reset_delay(void)
+{
+    lcd_delay(10000);
+}
+
+static void lcd_reset(void)
+{
+    LCD_CON = 0xDB8;
+    LCD_PHTIME = 0x22;
+    LCD_RST_TIME = 0x7FFF;
+    
+    lcd_reset_delay();
+    LCD_DRV_RST = 0;
+    lcd_reset_delay();
+    LCD_DRV_RST = 1;
+    lcd_reset_delay();
+    LCD_DRV_RST = 0;
+    lcd_reset_delay();
+    LCD_DRV_RST = 1;
+    
+    LCD_INTCON = 0;
+}
+
+static void lcd_wcmd(unsigned int cmd)
+{
+    while ((LCD_STATUS & 0x10) != 0);
+    LCD_WCMD = cmd;
+}
+
+static void lcd_wdata(unsigned int data)
+{
+    while ((LCD_STATUS & 0x10) != 0);
+    LCD_WDATA = data;
+}
+
+static void lcd_wcmd_data(unsigned int cmd, unsigned int data)
+{
+    lcd_wcmd(cmd);
+    lcd_wdata(data);
+}
+
+void lcd_init1(void)
+{
+    lcd_wcmd(0x11);
+    lcd_delay(10000);
+    
+    lcd_wcmd(0xF0);
+    lcd_wdata(0x5A);
+    
+    lcd_wcmd(0xC0);
+    lcd_wdata(0x05);
+    lcd_wdata(0x01);
+    
+    lcd_wcmd(0xC1);
+    lcd_wdata(0x04);
+    
+    lcd_wcmd(0xC5);
+    lcd_wdata(0xB0);
+    
+    lcd_wcmd(0xC6);
+    lcd_wdata(0x0);
+    
+    lcd_wcmd(0xB1);
+    lcd_wdata(0x02);
+    lcd_wdata(0x0E);
+    lcd_wdata(0x00);
+    
+    lcd_wcmd(0xF2);
+    lcd_wdata(0x01);
+    
+    lcd_wcmd(0xE0);
+    lcd_wdata(0x09);
+    lcd_wdata(0x00);
+    lcd_wdata(0x06);
+    lcd_wdata(0x2E);
+    lcd_wdata(0x2B);
+    lcd_wdata(0x0B);
+    lcd_wdata(0x1A);
+    lcd_wdata(0x02);
+    lcd_wdata(0x06);
+    lcd_wdata(0x0C);
+    lcd_wdata(0x0D);
+    lcd_wdata(0x00);
+    lcd_wdata(0x05);
+    lcd_wdata(0x02);
+    lcd_wdata(0x05);
+    
+    lcd_wcmd(0xE1);
+    lcd_wdata(0x06);
+    lcd_wdata(0x23);
+    lcd_wdata(0x25);
+    lcd_wdata(0x0F);
+    lcd_wdata(0x0A);
+    lcd_wdata(0x04);
+    lcd_wdata(0x02);
+    lcd_wdata(0x1A);
+    lcd_wdata(0x05);
+    lcd_wdata(0x03);
+    lcd_wdata(0x06);
+    lcd_wdata(0x01);
+    lcd_wdata(0x0C);
+    lcd_wdata(0x0B);
+    lcd_wdata(0x05);
+    lcd_wdata(0x05);
+    
+    lcd_wcmd(0x3A);
+    lcd_wdata(0x05);
+    
+    lcd_wcmd(0x29);
+    
+    lcd_wcmd(0x2C);
+}
+
+void lcd_init2(void)
+{
+    lcd_wcmd_data(0x00, 0x0001);
+    lcd_delay(50000);
+    
+    lcd_wcmd_data(0x07, 0x0000);
+    lcd_wcmd_data(0x12, 0x0000);
+    lcd_delay(10000);
+    
+    lcd_wcmd(0);
+    lcd_wcmd(0);
+    lcd_wcmd(0);
+    lcd_wcmd(0);
+
+    lcd_wcmd_data(0xA4, 0x0001);
+    lcd_delay(10000);
+
+    lcd_wcmd_data(0x70, 0x1B00);
+    lcd_wcmd_data(0x08, 0x030A);
+    lcd_wcmd_data(0x30, 0x0000);
+    lcd_wcmd_data(0x31, 0x0305);
+    lcd_wcmd_data(0x32, 0x0304);
+    lcd_wcmd_data(0x33, 0x0107);
+    lcd_wcmd_data(0x34, 0x0304);
+
+    lcd_wcmd_data(0x35, 0x0204);
+    lcd_wcmd_data(0x36, 0x0707);
+    lcd_wcmd_data(0x37, 0x0701);
+    lcd_wcmd_data(0x38, 0x1B08);
+    lcd_wcmd_data(0x39, 0x030F);
+    lcd_wcmd_data(0x3A, 0x0E0E);
+
+    lcd_wcmd_data(0x07, 0x0001);
+    lcd_delay(50000);
+
+    lcd_wcmd_data(0x18, 0x0001);
+    lcd_wcmd_data(0x10, 0x12B0);
+    lcd_wcmd_data(0x11, 0x0001);
+
+    lcd_wcmd_data(0x12, 0x0114);
+    lcd_wcmd_data(0x13, 0x8D0F);
+    lcd_wcmd_data(0x12, 0x0134);
+    lcd_delay(1000);
+    lcd_wcmd_data(0x01, 0x0100);
+    lcd_wcmd_data(0x02, 0x0700);
+    lcd_wcmd_data(0x03, 0x5030);
+
+    lcd_wcmd_data(0x04, 0x0000);
+    lcd_wcmd_data(0x09, 0x0000);
+    lcd_wcmd_data(0x0C, 0x0000);
+    lcd_wcmd_data(0x0F, 0x0000);
+
+    lcd_wcmd_data(0x14, 0x8000);
+    lcd_wcmd_data(0x20, 0x0000);
+    lcd_wcmd_data(0x21, 0x0000);
+    lcd_wcmd_data(0x71, 0x0001);
+    lcd_wcmd_data(0x7A, 0x0000);
+    lcd_wcmd_data(0x90, 0x0000);
+    lcd_wcmd_data(0x91, 0x0100);
+    lcd_wcmd_data(0x92, 0x0000);
+    lcd_wcmd_data(0x98, 0x0001);
+    lcd_wcmd_data(0x99, 0x030C);
+    lcd_wcmd_data(0x9A, 0x030C);
+    
+    lcd_delay(50000);
+    lcd_wcmd_data(0x07, 0x0001);
+    lcd_delay(30000);
+    lcd_wcmd_data(0x07, 0x0021);
+    
+    lcd_wcmd_data(0x12, 0x1134);
+    lcd_delay(10000);
+    
+    lcd_wcmd_data(0x07, 0x0233);
+    lcd_delay(30000);
+}
+
+
+void lcd_set_window1(int x, int y, int width, int height)
+{
+    (void)x;
+    (void)width;
+
+    lcd_wcmd(0x2A);
+    lcd_wdata(0);
+    lcd_wdata(y);
+    lcd_wdata(0);
+
+    lcd_wcmd(0x2B);
+    lcd_wdata(0);
+    lcd_wdata(y + height - 1);
+    lcd_wdata(0);
+}
+
+void lcd_set_window2(int x, int y, int width, int height)
+{
+    lcd_wcmd_data(0x50, x);
+    lcd_wcmd_data(0x51, x + width - 1);
+    lcd_wcmd_data(0x52, y);
+    lcd_wcmd_data(0x53, y + height - 1);
+}
+
+
+static void lcd_set_position1(int x, int y)
+{
+    (void)x;
+    (void)y;
+}
+
+static void lcd_set_position2(int x, int y)
+{
+    lcd_wcmd_data(0x20, x);
+    lcd_wcmd_data(0x21, y);
+    lcd_wcmd(0x22);
+}
+
+void lcd_init_device(void)
+{
+    /* enable LCD clock */
+    PWRCON &= ~(1 << 18);
+
+    /* configure LCD pins */
+    PCON0 &= ~(3 << 8);
+    PCON7 = (PCON7 & ~(0x000000FF)) | 0x00000033;
+    PCON_ASRAM = 2;
+
+    lcd_reset();
+    
+    /* detect LCD type on P0.4 */
+    lcd_type = (PDAT0 & (1 << 4)) ? 1 : 2;
+    
+    /* initialise display */
+    if (lcd_type == 1) {
+        lcd_init1();
+    } else {
+        lcd_init2();
+    }
+}
+
+void lcd_update_rect(int x, int y, int width, int height)
+{
+    fb_data* p;
+    int h, w;
+    
+    if (lcd_type == 1) {
+        /* TODO implement and test */
+        lcd_set_window1(x, y, width, height);
+        lcd_set_position1(x, y);
+    
+        for (h = 0; h < height; h++) {
+            p = &lcd_framebuffer[y][0];
+            for (w = 0; w < LCD_WIDTH; w++) {
+                while (LCD_STATUS & 0x10);
+                LCD_WDATA = *p++;
+            }
+            y++;
+        }
+    }
+    else {
+        lcd_set_window2(x, y, width, height);
+        lcd_set_position2(x, y);
+    
+        for (h = 0; h < height; h++) {
+            p = &lcd_framebuffer[y][x];
+            for (w = 0; w < width; w++) {
+                while (LCD_STATUS & 0x10);
+                LCD_WDATA = *p++;
+            }
+            y++;
+        }
+    }
+}
+
+void lcd_update(void)
+{
+    lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
+}
+
diff --git a/firmware/target/arm/s5l8700/yps3/power-yps3.c b/firmware/target/arm/s5l8700/yps3/power-yps3.c
new file mode 100644
index 0000000000..784a5a9629
--- /dev/null
+++ b/firmware/target/arm/s5l8700/yps3/power-yps3.c
@@ -0,0 +1,95 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright © 2009 Bertrik Sikken
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <stdbool.h>
+#include "config.h"
+#include "s5l8700.h"
+#include "power.h"
+
+/*  Power handling for the S5L8700 based Samsung YP-S3
+
+    Pins involved in with power management:
+    * P1.1: USB power detect
+    * P4.7: tuner power/enable
+    * P5.2: unknown output
+    * P5.3: unknown output, related to charging (perhaps charge current?)
+    * P5.4: charge status input (only valid if charger enabled)
+    * P5.6: charger enable
+*/
+
+void power_off(void)
+{
+    /* don't know how to do this yet */
+}
+
+void power_init(void)
+{
+    /* configure pin P1.1 as input for USB power detect */
+    PCON1 = (PCON1 & ~0x000000F0) | 0x00000000;
+
+    /* enable tuner power pin on P4.7 and turn power off */
+    PCON4 = (PCON4 & ~0xF0000000) | 0x10000000;
+    PDAT4 &= ~(1 << 7);
+
+    /* configure pins P5.2 / P5.3 / P5.6 as output, P5.4 as input */
+    PCON5 = (PCON5 & ~0x0F0FFF00) | 0x01001100;
+    PDAT5 &= ~((1 << 2) | (1 << 3) | (1 << 6));
+}
+
+#if CONFIG_CHARGING
+unsigned int power_input_status(void)
+{
+    /* check USB power on P1.1 */
+    if (PDAT1 & (1 << 1)) {
+        return POWER_INPUT_USB;
+    }
+    
+    return POWER_INPUT_NONE;
+}
+
+bool charging_state(void)
+{
+    if (PDAT5 & (1 << 6)) {
+        /* charger is enabled, check if charging is busy */
+        return (PDAT5 & (1 << 4));
+    }
+    return false;
+}
+#endif /* CONFIG_CHARGING */
+
+#if CONFIG_TUNER
+bool tuner_power(bool status)
+{
+    if (status) {
+        PDAT4 |= (1 << 7);
+    }
+    else {
+        PDAT4 &= ~(1 << 7);
+    }
+    /* TODO what should we return here? */
+    return status;    
+}
+
+bool tuner_powered(void)
+{
+    return (PDAT4 & (1 << 7));
+}
+#endif /* CONFIG_TUNER */
+