bootloader/samsung_yps3.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2009 by Bertrik Sikken
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24 #include <stdarg.h>
  25 #include <string.h>
  26
  27 #include "config.h"
  28
  29 #include "inttypes.h"
  30 #include "cpu.h"
  31 #include "system.h"
  32 #include "lcd.h"
  33 #include "kernel.h"
  34 #include "thread.h"
  35 #include "backlight.h"
  36 #include "backlight-target.h"
  37 #include "button.h"
  38 #include "panic.h"
  39 #include "power.h"
  40 #include "common.h"
  41 #include "usb.h"
  42 #include "bitmaps/rockboxlogo.h"
  43
  44 #include "adc.h"
  45 #include "adc-target.h"
  46
  47 #include "timer.h"
  48
  49 #include "i2c-s5l8700.h"
  50 #include "dma-target.h"
  51 #include "pcm.h"
  52 #include "audiohw.h"
  53 #include "rtc.h"
  54 #include "tuner.h"
  55 #include "si4700.h"
  56 #include "fmradio_i2c.h"
  57 #include "wmcodec.h"
  58 #include "nand-target.h"
  59
  60 #define LONG_DELAY  200000
  61 #define SHORT_DELAY  50000
  62 #define PAUSE_DELAY  50000
  63
  64 static inline void delay(unsigned int duration)
  65 {
  66     volatile unsigned int i;
  67     for(i=0;i<duration;i++);
  68 }
  69
  70 // forward declaration
  71 static int rds_decode(int line, struct si4700_dbg_info *nfo);
  72
  73 void main(void)
  74 {
  75     char mystring[64];
  76     int line, col;
  77     unsigned char read_data[16];
  78     int i;
  79     struct si4700_dbg_info si4700_info;
  80 //    unsigned int data;
  81     int brightness = DEFAULT_BRIGHTNESS_SETTING;
  82     unsigned int button;
  83     unsigned int fm_frequency = 100700000;
  84     int audiovol = 0x60;
  85     unsigned nand_ids[4];
  86
  87     // enable all peripherals
  88     PWRCON = 0;
  89
  90     // disable all interrupts
  91     INTMSK = 0;
  92
  93     // start with all GPIOs as input
  94     PCON0 = 0;
  95     PCON1 = 0;
  96     PCON2 = 0;
  97     PCON3 = 0;
  98     PCON4 = 0;
  99     PCON5 = 0;
 100     PCON6 = 0;
 101     PCON7 = 0;
 102
 103     system_init();
 104     kernel_init();
 105
 106     asm volatile("msr cpsr_c, #0x13\n\t"); // enable interrupts
 107
 108     lcd_init();
 109
 110     lcd_clear_display();
 111     lcd_bitmap(rockboxlogo, 0, 160, BMPWIDTH_rockboxlogo, BMPHEIGHT_rockboxlogo);
 112     lcd_update();
 113
 114     power_init();
 115
 116     i2c_init();
 117     fmradio_i2c_init();
 118     adc_init();
 119     _backlight_init();
 120     button_init_device();
 121
 122     // FM power
 123     si4700_init();
 124     tuner_power(true);
 125     si4700_set(RADIO_SLEEP, 0);
 126     si4700_set(RADIO_MUTE, 0);
 127     si4700_set(RADIO_FREQUENCY, fm_frequency);
 128
 129     lcd_puts_scroll(0,0,"+++ this is a very very long line to test scrolling. ---");
 130
 131     // WM1800 codec configuration
 132     wmcodec_write(0x0F, 0);     // codec reset
 133     wmcodec_write(0x19, 0xF0);  // pwr mgmt1: VMID = 1, VREF, AINL, AINR
 134     wmcodec_write(0x1A, 0x60);  // pwr mgmt2: LOUT1, ROUT1
 135     wmcodec_write(0x2F, 0x0C);  // pwr mgmt3: LOMIX, ROMIX
 136     wmcodec_write(0x02, audiovol);              // LOUT1VOL
 137     wmcodec_write(0x03, audiovol | (1 << 8));   // ROUT1VOL
 138     wmcodec_write(0x22, (1 << 7) | (7 << 4));   // left out mix (1)
 139     wmcodec_write(0x25, (1 << 7) | (7 << 4));   // right out mix (2)
 140
 141     // enable audio
 142     PCON5 = (PCON5 & ~0x0000000F) | 0x00000001;
 143     PDAT5 |= 1;
 144
 145     nand_ll_init();
 146     for (i = 0; i < 4; i++) {
 147         nand_ids[i] = nand_ll_read_id(i);
 148     }
 149
 150     while (true)
 151     {
 152         line = 1;
 153
 154 #if 1   /* enable to see GPIOs */
 155         snprintf(mystring, 64, "%02X %02X %02X %02X %02X %02X %02X %02X", PDAT0, PDAT1, PDAT2, PDAT3, PDAT4, PDAT5, PDAT6, PDAT7);
 156         lcd_puts(0, line++, mystring);
 157 #endif
 158
 159 #if 1   /* enable this to see info about the RTC */
 160         rtc_read_datetime(read_data);
 161         snprintf(mystring, 64, "RTC:");
 162         for (i = 0; i < 7; i++) {
 163             snprintf(mystring + 2 * i + 4, 64, "%02X", read_data[i]);
 164         }
 165         lcd_puts(0, line++, mystring);
 166 #endif
 167
 168 #if 1   /* enable this to see radio debug info */
 169         button = button_read_device();
 170         if (button & BUTTON_RIGHT) {
 171             fm_frequency += 100000;
 172             si4700_set(RADIO_FREQUENCY, fm_frequency);
 173         }
 174         if (button & BUTTON_LEFT) {
 175             fm_frequency -= 100000;
 176             si4700_set(RADIO_FREQUENCY, fm_frequency);
 177         }
 178         snprintf(mystring, 64, "FM frequency: %9d", fm_frequency);
 179         lcd_puts(0, line++, mystring);
 180
 181         si4700_dbg_info(&si4700_info);
 182         col = snprintf(mystring, 64, "FM: ");
 183         for (i = 0; i < 16; i++) {
 184             col += snprintf(mystring + col, 64, "%04X ", si4700_info.regs[i]);
 185             if (((i + 1) % 4) == 0) {
 186                 lcd_puts(0, line++, mystring);
 187                 col = 4;
 188             }
 189         }
 190         line = rds_decode(line, &si4700_info);
 191 #endif
 192
 193 #if 1   /* volume control with up/down keys */
 194         button = button_read_device();
 195         if (button & BUTTON_UP) {
 196             if (audiovol < 127) {
 197                 audiovol++;
 198                 wmcodec_write(0x02, audiovol);
 199                 wmcodec_write(0x03, (1 << 8) | audiovol);
 200             }
 201         }
 202         if (button & BUTTON_DOWN) {
 203             if (audiovol > 0) {
 204                 audiovol--;
 205                 wmcodec_write(0x02, audiovol);
 206                 wmcodec_write(0x03, (1 << 8) | audiovol);
 207             }
 208         }
 209         snprintf(mystring, 64, "volume %3d", audiovol);
 210         lcd_puts(0, line++, mystring);
 211 #endif
 212
 213 #if 1   /* enable this to see ADC info */
 214         snprintf(mystring, 64, "%04X %04X %04X %04X", adc_read(0), adc_read(1), adc_read(2), adc_read(3));
 215         lcd_puts(0, line++, mystring);
 216         snprintf(mystring, 64, "ADC:USB %4d mV BAT %4d mV",
 217             (adc_read(0) * 6000) >> 10, (adc_read(2) * 4650) >> 10);
 218         lcd_puts(0, line++, mystring);
 219 #endif
 220
 221 #if 1   /* enable this so see USB info */
 222         snprintf(mystring, 64, "CLK %08X CLK2 %08X", CLKCON, CLKCON2);
 223         lcd_puts(0, line++, mystring);
 224
 225         snprintf(mystring, 64, "%04X %04X %04X %04X", PHYCTRL, PHYPWR, URSTCON, UCLKCON);
 226         lcd_puts(0, line++, mystring);
 227
 228         snprintf(mystring, 64, "SCR %04X SSR %04X EIR %04X", USB_SCR, USB_SSR, USB_EIR);
 229         lcd_puts(0, line++, mystring);
 230
 231         snprintf(mystring, 64, "FAR %04X FNR %04X EP0 %04X", USB_FAR, USB_FNR, USB_EP0SR);
 232         lcd_puts(0, line++, mystring);
 233 #endif
 234
 235 #if 1   /* button lights controlled by keypad */
 236         button = button_read_device();
 237         if (button & (BUTTON_UP | BUTTON_DOWN | BUTTON_LEFT | BUTTON_RIGHT)) {
 238             PDAT3 |= (1 << 3);
 239         }
 240         else {
 241             PDAT3 &= ~(1 << 3);
 242         }
 243         if (button & (BUTTON_BACK | BUTTON_MENU)) {
 244             PDAT3 |= (1 << 2);
 245         }
 246         else {
 247             PDAT3 &= ~(1 << 2);
 248         }
 249         if (button & (BUTTON_SELECT)) {
 250             PDAT4 |= (1 << 2);
 251         }
 252         else {
 253             PDAT4 &= ~(1 << 2);
 254         }
 255 #endif
 256
 257 #if 1   /* backlight brightness controlled by up/down keys */
 258         button = button_read_device();
 259         if (button & BUTTON_MENU) {
 260             if (brightness < MAX_BRIGHTNESS_SETTING) {
 261                 brightness++;
 262                 _backlight_set_brightness(brightness);
 263             }
 264         }
 265         else  if (button & BUTTON_BACK) {
 266             if (brightness > MIN_BRIGHTNESS_SETTING) {
 267                 brightness--;
 268                 _backlight_set_brightness(brightness);
 269             }
 270         }
 271         snprintf(mystring, 64, "bright %3d", brightness);
 272         lcd_puts(0, line++, mystring);
 273 #endif
 274
 275 #if 1   /* power off using power button */
 276         button = button_read_device();
 277         if (button & BUTTON_POWER) {
 278             power_off();
 279         }
 280 #endif
 281
 282 #if 1   /* button info */
 283         snprintf(mystring, 64, "BUTTONS %08X, %s", button_read_device(),
 284                  headphones_inserted() ? "HP" : "hp");
 285         lcd_puts(0, line++, mystring);
 286 #endif
 287
 288 #if 1   /* NAND debug */
 289         snprintf(mystring, 64, "NAND ID: %08X %08X", nand_ids[0], nand_ids[1]);
 290         lcd_puts(0, line++, mystring);
 291         snprintf(mystring, 64, "NAND ID: %08X %08X", nand_ids[2], nand_ids[3]);
 292         lcd_puts(0, line++, mystring);
 293 #endif
 294
 295         lcd_update();
 296     }
 297 }
 298
 299
 300 static int rds_decode(int line, struct si4700_dbg_info *nfo)
 301 {
 302     unsigned short rdsdata[4];
 303     unsigned int pi, group, tp, pty, segment, abflag;
 304     static unsigned int af1 = 0, af2 = 0;
 305     static unsigned int day = 0, hour = 0, minute = 0;
 306     static unsigned int abflag_prev = -1;
 307     static char mystring[64];
 308
 309     /* big RDS arrays */
 310     static char ps[9];
 311     static char rt[65];
 312
 313     rdsdata[0] = nfo->regs[12];
 314     rdsdata[1] = nfo->regs[13];
 315     rdsdata[2] = nfo->regs[14];
 316     rdsdata[3] = nfo->regs[15];
 317
 318     pi = rdsdata[0];
 319     group = (rdsdata[1] >> 11) & 0x1F;
 320     tp = (rdsdata[1] >> 10) & 1;
 321     pty = (rdsdata[1] >> 5) & 0x1F;
 322
 323     switch (group) {
 324
 325     case 0: /* group 0A: basic info */
 326         af1 = (rdsdata[2] >> 8) & 0xFF;
 327         af2 = (rdsdata[2] >> 0) & 0xFF;
 328         /* fall through */
 329     case 1: /* group 0B: basic info */
 330         segment = rdsdata[1] & 3;
 331         ps[segment * 2 + 0]  = (rdsdata[3] >> 8) & 0xFF;
 332         ps[segment * 2 + 1]  = (rdsdata[3] >> 0) & 0xFF;
 333         break;
 334
 335     case 2: /* group 1A: programme item */
 336     case 3: /* group 1B: programme item */
 337         day = (rdsdata[3] >> 11) & 0x1F;
 338         hour = (rdsdata[3] >> 6) & 0x1F;
 339         minute = (rdsdata[3] >> 0) & 0x3F;
 340         break;
 341
 342     case 4: /* group 2A: radio text */
 343         segment = rdsdata[1] & 0xF;
 344         abflag = (rdsdata[1] >> 4) & 1;
 345         if (abflag != abflag_prev) {
 346             memset(rt, '.', 64);
 347             abflag_prev = abflag;
 348         }
 349         rt[segment * 4 + 0] = (rdsdata[2] >> 8) & 0xFF;
 350         rt[segment * 4 + 1] = (rdsdata[2] >> 0) & 0xFF;
 351         rt[segment * 4 + 2] = (rdsdata[3] >> 8) & 0xFF;
 352         rt[segment * 4 + 3] = (rdsdata[3] >> 0) & 0xFF;
 353         break;
 354
 355     case 5: /* group 2B: radio text */
 356         segment = rdsdata[1] & 0xF;
 357         abflag = (rdsdata[1] >> 4) & 1;
 358         if (abflag != abflag_prev) {
 359             memset(rt, '.', 64);
 360             abflag_prev = abflag;
 361         }
 362         rt[segment * 2 + 0] = (rdsdata[3] >> 8) & 0xFF;
 363         rt[segment * 2 + 1] = (rdsdata[3] >> 0) & 0xFF;
 364         break;
 365
 366     default:
 367         break;
 368     }
 369
 370     snprintf(mystring, 64, "PI:%04X,TP:%d,PTY:%2d,AF:%02X/%02X", pi, tp, pty, af1, af2);
 371     lcd_puts(0, line++, mystring);
 372     snprintf(mystring, 64, "PS:%s,ITEM:%02d-%02d:%02d", ps, day, hour, minute);
 373     lcd_puts(0, line++, mystring);
 374     snprintf(mystring, 64, "RT:%s", rt);
 375     lcd_puts(0, line++, mystring);
 376
 377     return line;
 378 }
 379
 380