summaryrefslogtreecommitdiffstats
path: root/bootloader/samsung_yps3.c
diff options
context:
space:
mode:
authorBertrik Sikken <bertrik@sikken.nl>2009-07-29 20:42:02 +0000
committerBertrik Sikken <bertrik@sikken.nl>2009-07-29 20:42:02 +0000
commit2fb73842a9b51e554a3a14feb0b4c0814c82ebec (patch)
tree25a93a7b725a5a2f6fa59929f7952fd8ccd7fcb0 /bootloader/samsung_yps3.c
parente30f1e83c495727d2ecd108c225499c79e467ca8 (diff)
downloadrockbox-2fb73842a9b51e554a3a14feb0b4c0814c82ebec.tar.gz
rockbox-2fb73842a9b51e554a3a14feb0b4c0814c82ebec.tar.bz2
rockbox-2fb73842a9b51e554a3a14feb0b4c0814c82ebec.zip
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
Diffstat (limited to 'bootloader/samsung_yps3.c')
-rw-r--r--bootloader/samsung_yps3.c306
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;
+}
+
+