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

1 files changed, 306 insertions, 0 deletions

diff --git a/bootloader/samsung_yps3.c b/bootloader/samsung_yps3.c
new file mode 100644
index 0000000000..ba9f2d70e5
--- /dev/null
+++ b/bootloader/samsung_yps3.c
@@ -0,0 +1,306 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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 <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+
+#include "config.h"
+
+#include "inttypes.h"
+#include "cpu.h"
+#include "system.h"
+#include "lcd.h"
+#include "kernel.h"
+#include "thread.h"
+#include "backlight.h"
+#include "backlight-target.h"
+#include "button.h"
+#include "panic.h"
+#include "power.h"
+#include "common.h"
+#include "usb.h"
+#include "bitmaps/rockboxlogo.h"
+
+#include "adc.h"
+#include "adc-target.h"
+
+#include "timer.h"
+
+#include "i2c-s5l8700.h"
+#include "dma-target.h"
+#include "pcm.h"
+#include "audiohw.h"
+#include "rtc.h"
+#include "tuner.h"
+#include "si4700.h"
+#include "fmradio_i2c.h"
+
+char version[] = APPSVERSION;
+#define LONG_DELAY  200000
+#define SHORT_DELAY  50000
+#define PAUSE_DELAY  50000
+
+static inline void delay(unsigned int duration)
+{
+    volatile unsigned int i;
+    for(i=0;i<duration;i++);
+}
+
+// forward declaration
+static int rds_decode(int line, struct si4700_dbg_info *nfo);
+
+static int count = 0;
+
+static void timer_callback(void)
+{
+    count++;
+}
+
+void main(void)
+{
+    char mystring[64];
+    int line, col;
+    unsigned char read_data[16];
+    int i;
+    struct si4700_dbg_info si4700_info;
+    
+    line = 1;
+
+    // enable all peripherals
+    PWRCON = 0;
+    
+    // disable all interrupts
+    INTMSK = 0;
+    
+    // start with all GPIOs as input
+    PCON0 = 0;
+    PCON1 = 0;
+    PCON2 = 0;
+    PCON3 = 0;
+    PCON4 = 0;
+    PCON5 = 0;
+    PCON6 = 0;
+    PCON7 = 0;
+    
+    system_init();
+    kernel_init();
+    
+    asm volatile("msr cpsr_c, #0x13\n\t"); // enable interrupts
+
+    lcd_init();
+    
+    lcd_clear_display();
+    lcd_bitmap(rockboxlogo, 0, 160, BMPWIDTH_rockboxlogo, BMPHEIGHT_rockboxlogo);
+    lcd_update();
+
+    power_init();
+    
+    i2c_init();
+    fmradio_i2c_init();
+    adc_init();
+    _backlight_init();
+
+    timer_register(1, NULL, 3 * TIMER_FREQ, timer_callback);
+
+    // LED outputs
+    PCON3 = (PCON3 & ~(0x0000FF00)) | 0x00001100;
+    PDAT3 |= (1 << 2) | (1 << 3);
+
+    // FM power
+    si4700_init();
+    tuner_power(true);
+    si4700_set(RADIO_SLEEP, 0);
+    si4700_set(RADIO_MUTE, 0);
+    si4700_set(RADIO_FREQUENCY, 100700000);
+
+    lcd_puts_scroll(0,0,"+++ this is a very very long line to test scrolling. ---");
+
+    while (true)
+    {
+        line = 1;
+
+#if 1   /* enable to see GPIOs */
+        snprintf(mystring, 64, "%02X %02X %02X %02X %02X %02X %02X %02X", PDAT0, PDAT1, PDAT2, PDAT3, PDAT4, PDAT5, PDAT6, PDAT7); 
+        lcd_puts(0, line++, mystring);
+#endif
+
+#if 1   /* enable this to see info about the RTC */
+        rtc_read_datetime(read_data);
+        snprintf(mystring, 64, "RTC:");
+        for (i = 0; i < 7; i++) {
+            snprintf(mystring + 2 * i + 4, 64, "%02X", read_data[i]);
+        }
+        lcd_puts(0, line++, mystring);
+#endif 
+
+#if 0   /* enable this so see info about the codec */
+        memset(read_data, 0, sizeof(read_data));
+        for (i = 0; i < 1; i++) {
+            i2c_read(0x34, i, 2, read_data);
+            data = read_data[0] << 8 | read_data[1];
+            snprintf(mystring + 4 * i, 64, "%04X", data);
+        }
+        lcd_puts(0, line++, mystring);
+#endif
+
+#if 1   /* enable this to see radio debug info */
+        si4700_dbg_info(&si4700_info);
+        col = snprintf(mystring, 64, "FM: ");
+        for (i = 0; i < 16; i++) {
+            col += snprintf(mystring + col, 64, "%04X ", si4700_info.regs[i]);
+            if (((i + 1) % 4) == 0) {
+                lcd_puts(0, line++, mystring);
+                col = 4;
+            }
+        }
+        line = rds_decode(line, &si4700_info);
+#endif
+
+#if 1   /* enable this to see ADC info */
+        snprintf(mystring, 64, "%04X %04X %04X %04X", adc_read(0), adc_read(1), adc_read(2), adc_read(3));
+        lcd_puts(0, line++, mystring);
+        snprintf(mystring, 64, "ADC:USB %4d mV BAT %4d mV",
+            (adc_read(0) * 6000) >> 10, (adc_read(2) * 4650) >> 10);
+        lcd_puts(0, line++, mystring);
+#endif
+
+#if 1   /* enable this so see USB info */
+        snprintf(mystring, 64, "CLK %08X CLK2 %08X", CLKCON, CLKCON2);
+        lcd_puts(0, line++, mystring);
+
+        snprintf(mystring, 64, "%04X %04X %04X %04X", PHYCTRL, PHYPWR, URSTCON, UCLKCON);
+        lcd_puts(0, line++, mystring);
+
+        snprintf(mystring, 64, "SCR %04X SSR %04X EIR %04X", SCR, SSR, EIR);
+        lcd_puts(0, line++, mystring);
+
+        snprintf(mystring, 64, "FAR %04X FNR %04X EP0 %04X", FAR, FNR, EP0SR);
+        lcd_puts(0, line++, mystring);
+#endif
+
+#if 1   /* enable to see timer/counter info */
+        snprintf(mystring, 64, "TIMER: %08X", count);
+        lcd_puts(0, line++, mystring);
+        snprintf(mystring, 64, "current_tick: %08X", current_tick);
+        lcd_puts(0, line++, mystring);
+        snprintf(mystring, 64, "TIMER %04X %04X %04X", TDCON, TDPRE, TDDATA0);
+        lcd_puts(0, line++, mystring);
+#endif
+
+#if 1   /* enable this to control backlight brightness with the hold switch */
+        if (PDAT4 & (1 << 3)) {
+            _backlight_set_brightness(10);
+            PDAT3 &= ~(1 << 4);
+        }
+        else {
+            _backlight_set_brightness(15);
+            PDAT3 |= (1 << 4);
+        }
+#endif
+
+        lcd_update();
+   }
+}
+
+
+static int rds_decode(int line, struct si4700_dbg_info *nfo)
+{
+    unsigned short rdsdata[4];
+    unsigned int pi, group, tp, pty, segment, abflag;
+    static unsigned int af1 = 0, af2 = 0;
+    static unsigned int day = 0, hour = 0, minute = 0;
+    static unsigned int abflag_prev = -1;
+    static char mystring[64];
+    
+    /* big RDS arrays */
+    static char ps[9];
+    static char rt[65];
+    
+    rdsdata[0] = nfo->regs[12];
+    rdsdata[1] = nfo->regs[13];
+    rdsdata[2] = nfo->regs[14];
+    rdsdata[3] = nfo->regs[15];
+
+    pi = rdsdata[0];
+    group = (rdsdata[1] >> 11) & 0x1F;
+    tp = (rdsdata[1] >> 10) & 1;
+    pty = (rdsdata[1] >> 5) & 0x1F;
+    
+    switch (group) {
+    
+    case 0: /* group 0A: basic info */
+        af1 = (rdsdata[2] >> 8) & 0xFF;
+        af2 = (rdsdata[2] >> 0) & 0xFF;
+        /* fall through */
+    case 1: /* group 0B: basic info */
+        segment = rdsdata[1] & 3;
+        ps[segment * 2 + 0]  = (rdsdata[3] >> 8) & 0xFF;
+        ps[segment * 2 + 1]  = (rdsdata[3] >> 0) & 0xFF;
+        break;
+    
+    case 2: /* group 1A: programme item */
+    case 3: /* group 1B: programme item */
+        day = (rdsdata[3] >> 11) & 0x1F;
+        hour = (rdsdata[3] >> 6) & 0x1F;
+        minute = (rdsdata[3] >> 0) & 0x3F;
+        break;
+        
+    case 4: /* group 2A: radio text */
+        segment = rdsdata[1] & 0xF;
+        abflag = (rdsdata[1] >> 4) & 1;
+        if (abflag != abflag_prev) {
+            memset(rt, '.', 64);
+            abflag_prev = abflag;
+        }
+        rt[segment * 4 + 0] = (rdsdata[2] >> 8) & 0xFF;
+        rt[segment * 4 + 1] = (rdsdata[2] >> 0) & 0xFF;
+        rt[segment * 4 + 2] = (rdsdata[3] >> 8) & 0xFF;
+        rt[segment * 4 + 3] = (rdsdata[3] >> 0) & 0xFF;
+        break;
+        
+    case 5: /* group 2B: radio text */
+        segment = rdsdata[1] & 0xF;
+        abflag = (rdsdata[1] >> 4) & 1;
+        if (abflag != abflag_prev) {
+            memset(rt, '.', 64);
+            abflag_prev = abflag;
+        }
+        rt[segment * 2 + 0] = (rdsdata[3] >> 8) & 0xFF;
+        rt[segment * 2 + 1] = (rdsdata[3] >> 0) & 0xFF;
+        break;
+    
+    default:
+        break;
+    }
+
+    snprintf(mystring, 64, "PI:%04X,TP:%d,PTY:%2d,AF:%02X/%02X", pi, tp, pty, af1, af2);
+    lcd_puts(0, line++, mystring);
+    snprintf(mystring, 64, "PS:%s,ITEM:%02d-%02d:%02d", ps, day, hour, minute);
+    lcd_puts(0, line++, mystring);
+    snprintf(mystring, 64, "RT:%s", rt);
+    lcd_puts(0, line++, mystring);
+    
+    return line;
+}
+
+