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Sandisk Sansa Connect port (FS #12363)

Browse source 
Included are drivers for buttons, backlight, lcd, audio and storage.



git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31000 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Tomasz Moń 2011-11-16 14:08:01 +00:00
parent 992d4eb775
commit e8a8a1be43
99 changed files with 4302 additions and 46 deletions
Download patch file Download diff file Expand all files Collapse all files

2
firmware/target/arm/tms320dm320/app.lds
View file

@ -29,7 +29,7 @@ STARTUP(target/arm/tms320dm320/crt0.o)
#define DRAMSIZE (MEMORYSIZE * 0x100000)
#define DRAMORIG 0x00900000
#define DRAMORIG CONFIG_SDRAM_START
#define FLASHORIG 0x00100000
#define FLASHSIZE 0x00800000

19
firmware/target/arm/tms320dm320/boot.lds
View file

@ -28,14 +28,27 @@ STARTUP(target/arm/tms320dm320/crt0.o)
#define LCD_TTB_AREA 0x100000*((LCD_BUFFER_SIZE>>19)+1)
/* Bootloader only uses/knows about the upper 32 M */
#define DRAMORIG 0x02900000
#define DRAMORIG CONFIG_SDRAM_START+0x02000000
#define DRAMSIZE (MEMORYSIZE * 0x80000)
#define IRAMORIG 0x00000000
#define IRAMSIZE 0x4000
#ifdef SANSA_CONNECT
/* Offset in flash from beginning, we don't want overwrite OF bootloader
due to recovery mode and more importantly - hardware block protection.
This offset makes Rockbox bootloader a replacement for OF vmlinux.
In .srr file header add any valid memory address from following
<0x1000000; 0x1300180) u (0x131EAF4; 0x1420000) u (0x1440000; 0x5000000>
ensuring that complete bootloader fits in.
Entry point in .srr file should be 0x120010. */
#define FLASHOFFSET 0x20010
#else
#define FLASHOFFSET 0
#endif
#define FLASHORIG 0x00100000
#define FLASHSIZE 0x00800000
#define FLASHSIZE 0x00800000-FLASHOFFSET
PRO_STACK_SIZE = 0x2000;
IRQ_STACK_SIZE = 0x400;
@ -48,7 +61,7 @@ MEMORY
{
DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
FLASH : ORIGIN = FLASHORIG, LENGTH = FLASHSIZE
FLASH : ORIGIN = FLASHORIG+FLASHOFFSET, LENGTH = FLASHSIZE
}
SECTIONS

2
firmware/target/arm/tms320dm320/debug-dm320.c
View file

@ -212,6 +212,7 @@ bool dbg_hw_info(void)
button = button_get(false);
if(button & BUTTON_POWER)
done = true;
#if defined(CREATIVE_ZVx)
else if(button & BUTTON_LEFT)
lcd_set_direct_fb(false);
else if(button & BUTTON_RIGHT)
@ -221,6 +222,7 @@ bool dbg_hw_info(void)
lcd_putsf(0, line++, " LCD direct FB access? %s",
(lcd_get_direct_fb() ? "yes" : "no"));
line++;
#endif
#endif
lcd_puts(0, line++, "[Rockbox info]");
lcd_putsf(0, line++, "current tick: %08x Seconds running: %08d",

78
firmware/target/arm/tms320dm320/dma-dm320.c Normal file
View file

@ -0,0 +1,78 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 "kernel.h"
#include "thread.h"
#include "system.h"
#include "dma-target.h"
#include "dm320.h"
#include <stdbool.h>
void dma_init(void)
{
/* TODO */
}
/*
Requests channel for peripheral.
Returns channel assigned for caller which must be released after
transfer complete using dma_release_channel().
*/
int dma_request_channel(int peripheral, int mode)
{
/* TODO: proper checking if channel is already taken
currently only SDMMC and DSP uses DMA on this target */
int channel = -1;
if (peripheral == DMA_PERIPHERAL_MMCSD)
{
/* Set first DMA channel */
IO_SDRAM_SDDMASEL = (IO_SDRAM_SDDMASEL & 0xFFE0) | peripheral |
(mode << 3);
channel = 1;
}
else if (peripheral == DMA_PERIPHERAL_DSP)
{
/* Set second DMA channel */
IO_SDRAM_SDDMASEL = (IO_SDRAM_SDDMASEL & 0xFC1F) |
(peripheral << 5) |
(mode << 8);
channel = 2;
}
else if (peripheral == DMA_PERIPHERAL_SIF)
{
IO_SDRAM_SDDMASEL = (IO_SDRAM_SDDMASEL & 0x83FF) |
(peripheral << 10) |
(mode << 13);
channel = 3;
}
return channel;
}
void dma_release_channel(int channel)
{
(void)channel;
/* TODO */
}

44
firmware/target/arm/tms320dm320/dma-target.h Normal file
View file

@ -0,0 +1,44 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 DMA_TARGET_H
#define DMA_TARGET_H
/* These defines match DMA Select bits */
#define DMA_PERIPHERAL_MTC 0
#define DMA_PERIPHERAL_SIF 1
#define DMA_PERIPHERAL_MS 2
#define DMA_PERIPHERAL_MMCSD 3
#define DMA_PERIPHERAL_DSP 4
/* These defines match DMA Burst bits */
/* 1 burst DMA - address must be 4 byte aligned */
#define DMA_MODE_1_BURST 0
/* 4 burst DMA - address must be 16 byte aligned */
#define DMA_MODE_4_BURST 1
/* 8 burst DMA - address must be 32 byte aligned */
#define DMA_MODE_8_BURST 2
void dma_init(void);
int dma_request_channel(int peripheral, int mode);
void dma_release_channel(int channel);
#endif

138
firmware/target/arm/tms320dm320/i2c-dm320.c
View file

@ -7,6 +7,7 @@
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2011 by Tomasz Moń
* Copyright (C) 2008 by Maurus Cuelenaere
*
* DM320 I²C driver
@ -24,11 +25,11 @@
#include "thread.h"
#include "i2c-dm320.h"
#define I2C_SCS_COND_START 0x0001
#define I2C_SCS_COND_STOP 0x0002
#define I2C_SCS_XMIT 0x0004
#ifdef HAVE_SOFTWARE_I2C
#include "generic_i2c.h"
#endif
#define I2C_TX_ACK (1 << 8)
#ifndef HAVE_SOFTWARE_I2C
static struct mutex i2c_mtx;
@ -42,6 +43,12 @@ static inline void i2c_end(void)
mutex_unlock(&i2c_mtx);
}
#define I2C_SCS_COND_START 0x0001
#define I2C_SCS_COND_STOP 0x0002
#define I2C_SCS_XMIT 0x0004
#define I2C_TX_ACK (1 << 8)
static inline bool i2c_getack(void)
{
return (IO_I2C_RXDATA >> 8) & 1;
@ -158,3 +165,126 @@ void i2c_init(void)
IO_I2C_SCS &= ~0x8; //set clock to 100 kHz
IO_INTC_EINT2 &= ~INTR_EINT2_I2C; // disable I²C interrupt
}
#else /* Software I2C implementation */
#ifdef SANSA_CONNECT
/* SDA - GIO35 */
#define SDA_SET_REG IO_GIO_BITSET2
#define SDA_CLR_REG IO_GIO_BITCLR2
#define SOFTI2C_SDA (1 << 3)
/* SCL - GIO36 */
#define SCL_SET_REG IO_GIO_BITSET2
#define SCL_CLR_REG IO_GIO_BITCLR2
#define SOFTI2C_SCL (1 << 4)
#else
#error Configure SDA and SCL lines
#endif
static int dm320_i2c_bus;
static void dm320_scl_dir(bool out)
{
if (out)
{
IO_GIO_DIR2 &= ~(SOFTI2C_SCL);
}
else
{
IO_GIO_DIR2 |= SOFTI2C_SCL;
}
}
static void dm320_sda_dir(bool out)
{
if (out)
{
IO_GIO_DIR2 &= ~(SOFTI2C_SDA);
}
else
{
IO_GIO_DIR2 |= SOFTI2C_SDA;
}
}
static void dm320_scl_out(bool high)
{
if (high)
{
SCL_SET_REG = SOFTI2C_SCL;
}
else
{
SCL_CLR_REG = SOFTI2C_SCL;
}
}
static void dm320_sda_out(bool high)
{
if (high)
{
SDA_SET_REG = SOFTI2C_SDA;
}
else
{
SDA_CLR_REG = SOFTI2C_SDA;
}
}
static bool dm320_scl_in(void)
{
return (SCL_SET_REG & SOFTI2C_SCL);
}
static bool dm320_sda_in(void)
{
return (SDA_SET_REG & SOFTI2C_SDA);
}
/* simple delay */
static void dm320_i2c_delay(int delay)
{
udelay(delay);
}
/* interface towards the generic i2c driver */
static const struct i2c_interface dm320_i2c_interface = {
.scl_dir = dm320_scl_dir,
.sda_dir = dm320_sda_dir,
.scl_out = dm320_scl_out,
.sda_out = dm320_sda_out,
.scl_in = dm320_scl_in,
.sda_in = dm320_sda_in,
.delay = dm320_i2c_delay,
/* uncalibrated */
.delay_hd_sta = 1,
.delay_hd_dat = 1,
.delay_su_dat = 1,
.delay_su_sto = 1,
.delay_su_sta = 1,
.delay_thigh = 1
};
void i2c_init(void)
{
#ifdef SANSA_CONNECT
IO_GIO_FSEL3 &= 0xFF0F; /* GIO35, GIO36 as normal GIO */
IO_GIO_INV2 &= ~(SOFTI2C_SDA | SOFTI2C_SCL); /* not inverted */
#endif
/* generic_i2c takes care of setting direction */
dm320_i2c_bus = i2c_add_node(&dm320_i2c_interface);
}
int i2c_write(unsigned short address, const unsigned char* buf, int count)
{
return i2c_write_data(dm320_i2c_bus, address, -1, buf, count);
}
int i2c_read(unsigned short address, unsigned char* buf, int count)
{
return i2c_read_data(dm320_i2c_bus, address, -1, buf, count);
}
#endif

9
firmware/target/arm/tms320dm320/kernel-dm320.c
View file

@ -37,7 +37,7 @@ void tick_start(unsigned int interval_in_ms)
/* Setup the Divisor */
IO_TIMER1_TMDIV = (TIMER_FREQ / (10*1000))*interval_in_ms - 1;
/* Turn Timer1 to Free Run mode */
IO_TIMER1_TMMD = CONFIG_TIMER1_TMMD_FREE_RUN;
@ -45,6 +45,13 @@ void tick_start(unsigned int interval_in_ms)
bitset16(&IO_INTC_EINT0, INTR_EINT0_TMR1);
}
#ifdef BOOTLOADER
void tick_stop(void)
{
bitclr16(&IO_CLK_MOD2, CLK_MOD2_TMR1); /* disable TIMER1 clock */
}
#endif
void TIMER1(void) __attribute__ ((section(".icode")));
void TIMER1(void)
{

35
firmware/target/arm/tms320dm320/sansa-connect/adc-sansaconnect.c Normal file
View file

@ -0,0 +1,35 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 "cpu.h"
#include "adc.h"
#include "adc-target.h"
#include "kernel.h"
void adc_init(void)
{
}
/* Called to get the recent ADC reading */
inline unsigned short adc_read(int channel)
{
return (short)channel;
}

25
firmware/target/arm/tms320dm320/sansa-connect/adc-target.h Normal file
View file

@ -0,0 +1,25 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 _ADC_TARGET_H_
#define _ADC_TARGET_H_
#endif

461
firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c Normal file
View file

@ -0,0 +1,461 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 <stdio.h>
#include "config.h"
#include "system.h"
#include "kernel.h"
#include "logf.h"
#include "avr-sansaconnect.h"
#include "uart-target.h"
#include "button.h"
#include "backlight.h"
#include "powermgmt.h"
//#define BUTTON_DEBUG
#ifdef BUTTON_DEBUG
#include "lcd-target.h"
#include "lcd.h"
#include "font.h"
#include "common.h"
#endif
#ifdef BUTTON_DEBUG
#define dbgprintf DEBUGF
#else
#define dbgprintf(...)
#endif
#define CMD_SYNC 0xAA
#define CMD_CLOSE 0xCC
#define CMD_LCM_POWER 0xC9
#define LCM_POWER_OFF 0x00
#define LCM_POWER_ON 0x01
#define LCM_POWER_SLEEP 0x02
#define LCM_POWER_WAKE 0x03
#define LCM_REPOWER_ON 0x04
#define CMD_STATE 0xBB
#define CMD_VER 0xBC
#define CMD_WHEEL_EN 0xD0
#define CMD_SET_INTCHRG 0xD1
#define CMD_CODEC_RESET 0xD7
#define CMD_FILL 0xFF
#define CMD_SYS_CTRL 0xDA
#define SYS_CTRL_POWEROFF 0x00
/* protects spi avr commands from concurrent access */
static struct mutex avr_mtx;
/* buttons thread */
#define BTN_INTERRUPT 1
static int btn = 0;
static bool hold_switch;
#ifndef BOOTLOADER
static long btn_stack[DEFAULT_STACK_SIZE/sizeof(long)];
static const char btn_thread_name[] = "buttons";
static struct event_queue btn_queue;
#endif
static inline unsigned short be2short(unsigned char* buf)
{
return (unsigned short)((buf[0] << 8) | buf[1]);
}
#define BUTTON_DIRECT_MASK (BUTTON_LEFT | BUTTON_UP | BUTTON_RIGHT | BUTTON_DOWN | BUTTON_SELECT | BUTTON_VOL_UP | BUTTON_VOL_DOWN | BUTTON_NEXT | BUTTON_PREV)
#ifndef BOOTLOADER
static void handle_wheel(unsigned char wheel)
{
static int key = 0;
static unsigned char velocity = 0;
static unsigned long wheel_delta = 1ul << 24;
static unsigned char wheel_prev = 0;
static long next_backlight_on = 0;
static int prev_key = -1;
static int prev_key_post = 0;
if (TIME_AFTER(current_tick, next_backlight_on))
{
backlight_on();
reset_poweroff_timer();
next_backlight_on = current_tick + HZ/4;
}
if (wheel_prev < wheel)
{
key = BUTTON_SCROLL_FWD;
velocity = wheel - wheel_prev;
}
else if (wheel_prev > wheel)
{
key = BUTTON_SCROLL_BACK;
velocity = wheel_prev - wheel;
}
if (prev_key != key && velocity < 2 /* filter "rewinds" */)
{
/* direction reversal */
prev_key = key;
wheel_delta = 1ul << 24;
return;
}
/* TODO: take velocity into account */
if (queue_empty(&button_queue))
{
if (prev_key_post == key)
{
key |= BUTTON_REPEAT;
}
/* Post directly, don't update btn as avr doesn't give
interrupt on scroll stop */
queue_post(&button_queue, key, wheel_delta);
wheel_delta = 1ul << 24;
prev_key_post = key;
}
else
{
/* skipped post - increment delta and limit to 7 bits */
wheel_delta += 1ul << 24;
if (wheel_delta > (0x7ful << 24))
wheel_delta = 0x7ful << 24;
}
wheel_prev = wheel;
prev_key = key;
}
#endif
/* buf must be 11-byte array of byte (reply from avr_hid_get_state() */
static void parse_button_state(unsigned char *buf)
{
unsigned short main_btns_state = be2short(&buf[4]);
#ifdef BUTTON_DEBUG
unsigned short main_btns_changed = be2short(&buf[6]);
#endif
/* make sure other bits doesn't conflict with our "free bits" buttons */
main_btns_state &= BUTTON_DIRECT_MASK;
if (buf[3] & 0x01) /* is power button pressed? */
{
main_btns_state |= BUTTON_POWER;
}
btn = main_btns_state;
#ifndef BOOTLOADER
/* check if stored hold_switch state changed (prevents lost changes) */
if ((buf[3] & 0x20) /* hold change notification */ ||
(hold_switch != ((buf[3] & 0x02) >> 1)))
{
#endif
hold_switch = (buf[3] & 0x02) >> 1;
#ifdef BUTTON_DEBUG
dbgprintf("HOLD changed (%d)", hold_switch);
#endif
#ifndef BOOTLOADER
backlight_hold_changed(hold_switch);
}
#endif
#ifndef BOOTLOADER
if ((hold_switch == false) && (buf[3] & 0x80)) /* scrollwheel change */
{
handle_wheel(buf[2]);
}
#endif
#ifdef BUTTON_DEBUG
if (buf[3] & 0x10) /* power button change */
{
/* power button state has changed */
main_btns_changed |= BUTTON_POWER;
}
if (btn & BUTTON_LEFT) dbgprintf("LEFT");
if (btn & BUTTON_UP) dbgprintf("UP");
if (btn & BUTTON_RIGHT) dbgprintf("RIGHT");
if (btn & BUTTON_DOWN) dbgprintf("DOWN");
if (btn & BUTTON_SELECT) dbgprintf("SELECT");
if (btn & BUTTON_VOL_UP) dbgprintf("VOL UP");
if (btn & BUTTON_VOL_DOWN) dbgprintf("VOL DOWN");
if (btn & BUTTON_NEXT) dbgprintf("NEXT");
if (btn & BUTTON_PREV) dbgprintf("PREV");
if (btn & BUTTON_POWER) dbgprintf("POWER");
if (btn & BUTTON_HOLD) dbgprintf("HOLD");
if (btn & BUTTON_SCROLL_FWD) dbgprintf("SCROLL FWD");
if (btn & BUTTON_SCROLL_BACK) dbgprintf("SCROLL BACK");
#endif
}
/* HID Slave Select - GIO14 */
#define HID_SS (1<<14)
static inline void select_hid(bool on)
{
if (on == true)
{
/* SS is active low */
IO_GIO_BITCLR0 = HID_SS;
}
else
{
IO_GIO_BITSET0 = HID_SS;
}
}
static void spi_txrx(unsigned char *buf_tx, unsigned char *buf_rx, int n)
{
int i;
unsigned short rxdata;
mutex_lock(&avr_mtx);
bitset16(&IO_CLK_MOD2, CLK_MOD2_SIF1);
IO_SERIAL1_TX_ENABLE = 0x0001;
select_hid(true);
for (i = 0; i<n; i++)
{
IO_SERIAL1_TX_DATA = buf_tx[i];
udelay(100);
do
{
rxdata = IO_SERIAL1_RX_DATA;
} while (rxdata & (1<<8));
if (buf_rx != NULL)
buf_rx[i] = rxdata & 0xFF;
//udelay(100);
}
select_hid(false);
IO_SERIAL1_TX_ENABLE = 0;
bitclr16(&IO_CLK_MOD2, CLK_MOD2_SIF1);
mutex_unlock(&avr_mtx);
}
static void avr_hid_sync(void)
{
int i;
unsigned char prg[4] = {CMD_SYNC, CMD_VER, CMD_FILL, CMD_CLOSE};
/* Send SYNC three times */
for (i = 0; i<3; i++)
{
spi_txrx(prg, NULL, sizeof(prg));
}
}
void avr_hid_init(void)
{
/*
setup alternate GIO functions:
GIO29 - SIF1 Enable
GIO30 - SIF1 Clock
GIO31 - SIF1 Data In
GIO32 - SIF1 Data Out
*/
IO_GIO_FSEL2 = (IO_GIO_FSEL2 & 0x00FF) | 0xAA00;
bitclr16(&IO_GIO_DIR0, HID_SS); /* set GIO14 as output */
/* RATE = 219 (0xDB) -> 200 kHz */
IO_SERIAL1_MODE = 0x6DB;
mutex_init(&avr_mtx);
avr_hid_sync();
}
static void avr_hid_get_state(void)
{
static unsigned char cmd[11] = {CMD_SYNC, CMD_STATE,
CMD_FILL, CMD_FILL, CMD_FILL, CMD_FILL, CMD_FILL, CMD_FILL, CMD_FILL, CMD_FILL,
CMD_CLOSE};
static unsigned char buf[11];
static unsigned char cmd_empty[1] = {0xCC};
spi_txrx(cmd, buf, sizeof(cmd));
spi_txrx(cmd_empty, NULL, 1); /* request interrupt on button press */
parse_button_state(buf);
}
static void avr_hid_enable_wheel(void)
{
unsigned char wheel_en[4] = {CMD_SYNC, CMD_WHEEL_EN, 0x01, CMD_CLOSE};
spi_txrx(wheel_en, NULL, sizeof(wheel_en));
}
/* command that is sent by "hidtool -J 1" issued on every OF boot */
void avr_hid_enable_charger(void)
{
unsigned char charger_en[4] = {CMD_SYNC, CMD_SET_INTCHRG, 0x01, CMD_CLOSE};
spi_txrx(charger_en, NULL, sizeof(charger_en));
}
void avr_hid_lcm_sleep(void)
{
unsigned char lcm_sleep[4] = {CMD_SYNC, CMD_LCM_POWER, LCM_POWER_SLEEP, CMD_CLOSE};
spi_txrx(lcm_sleep, NULL, sizeof(lcm_sleep));
}
void avr_hid_lcm_wake(void)
{
unsigned char lcm_wake[4] = {CMD_SYNC, CMD_LCM_POWER, LCM_POWER_WAKE, CMD_CLOSE};
spi_txrx(lcm_wake, NULL, sizeof(lcm_wake));
}
void avr_hid_lcm_power_on(void)
{
unsigned char lcm_power_on[4] = {CMD_SYNC, CMD_LCM_POWER, LCM_POWER_ON, CMD_CLOSE};
spi_txrx(lcm_power_on, NULL, sizeof(lcm_power_on));
}
void avr_hid_lcm_power_off(void)
{
unsigned char lcm_power_off[4] = {CMD_SYNC, CMD_LCM_POWER, LCM_POWER_OFF, CMD_CLOSE};
spi_txrx(lcm_power_off, NULL, sizeof(lcm_power_off));
}
void avr_hid_reset_codec(void)
{
unsigned char codec_reset[4] = {CMD_SYNC, CMD_CODEC_RESET, CMD_CLOSE, CMD_FILL};
spi_txrx(codec_reset, NULL, sizeof(codec_reset));
}
void avr_hid_power_off(void)
{
unsigned char prg[4] = {CMD_SYNC, CMD_SYS_CTRL, SYS_CTRL_POWEROFF, CMD_CLOSE};
spi_txrx(prg, NULL, sizeof(prg));
}
#ifndef BOOTLOADER
void btn_thread(void)
{
struct queue_event ev;
while (1)
{
queue_wait(&btn_queue, &ev);
/* Ignore all messages except BTN_INTERRUPT */
if (ev.id != BTN_INTERRUPT)
continue;
/* Enable back button interrupt */
IO_INTC_EINT1 |= INTR_EINT1_EXT0;
/* Read buttons state */
avr_hid_get_state();
yield();
if (queue_empty(&btn_queue) && ((IO_GIO_BITSET0 & 0x1) == 0))
{
/* for some reason we have lost next interrupt */
queue_post(&btn_queue, BTN_INTERRUPT, 0);
}
}
}
void GIO0(void) __attribute__ ((section(".icode")));
void GIO0(void)
{
/* Clear interrupt */
IO_INTC_IRQ1 = (1 << 5);
/* Disable interrupt */
IO_INTC_EINT1 &= ~INTR_EINT1_EXT0;
/* interrupt will be enabled back after button read */
queue_post(&btn_queue, BTN_INTERRUPT, 0);
}
#endif
void button_init_device(void)
{
btn = 0;
hold_switch = false;
#ifndef BOOTLOADER
queue_init(&btn_queue, true);
create_thread(btn_thread, btn_stack, sizeof(btn_stack), 0,
btn_thread_name IF_PRIO(, PRIORITY_USER_INTERFACE)
IF_COP(, CPU));
#endif
IO_GIO_DIR0 |= 0x01; /* Set GIO0 as input */
/* Enable wheel */
avr_hid_enable_wheel();
/* Read button status and tell avr we want interrupt on next change */
avr_hid_get_state();
#ifndef BOOTLOADER
IO_GIO_IRQPORT |= 0x01; /* Enable GIO0 external interrupt */
IO_GIO_INV0 &= ~0x01; /* Clear INV for GIO0 (falling edge detection) */
IO_GIO_IRQEDGE &= ~0x01; /* Set edge detection (falling) */
/* Enable GIO0 interrupt */
IO_INTC_EINT1 |= INTR_EINT1_EXT0;
#endif
}
int button_read_device(void)
{
if(hold_switch)
return 0;
else
return btn;
}
bool button_hold(void)
{
return hold_switch;
}
void lcd_enable(bool on)
{
(void)on;
}

38
firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.h Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 _AVR_SANSACONNECT_H_
#define _AVR_SANSACONNECT_H_
#include "config.h"
void avr_hid_init(void);
void avr_hid_enable_charger(void);
void avr_hid_lcm_sleep(void);
void avr_hid_lcm_wake(void);
void avr_hid_lcm_power_on(void);
void avr_hid_lcm_power_off(void);
void avr_hid_reset_codec(void);
void avr_hid_power_off(void);
#endif /* _AVR_SANSACONNECT_H_ */

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 "cpu.h"
#include "system.h"
#include "backlight-target.h"
#include "backlight.h"
#include "lcd.h"
#include "power.h"
#include "spi-target.h"
#include "lcd-target.h"
static void _backlight_write_brightness(int brightness)
{
/*
Maps brightness int to percentage value found in OF
OF PWM1H
5% 14
10% 140
15% 210
20% 280
...
95% 1330
100% 1400
*/
if (brightness > 20)
brightness = 20;
else if (brightness < 0)
brightness = 0;
IO_CLK_PWM1H = brightness*70;
}
void _backlight_on(void)
{
/* set GIO34 as PWM1 */
IO_GIO_FSEL3 = (IO_GIO_FSEL3 & 0xFFF3) | (1 << 2);
#if (CONFIG_BACKLIGHT_FADING == BACKLIGHT_NO_FADING)
_backlight_write_brightness(backlight_brightness);
#endif
}
void _backlight_off(void)
{
_backlight_write_brightness(0);
bitclr16(&IO_GIO_FSEL3, 0xC); /* set GIO34 to normal GIO */
bitclr16(&IO_GIO_INV2, (1 << 2)); /* make sure GIO34 is not inverted */
IO_GIO_BITCLR2 = (1 << 2); /* drive GIO34 low */
}
/* Assumes that the backlight has been initialized */
void _backlight_set_brightness(int brightness)
{
_backlight_write_brightness(brightness);
}
void __backlight_dim(bool dim_now)
{
_backlight_set_brightness(dim_now ?
DEFAULT_BRIGHTNESS_SETTING :
DEFAULT_DIMNESS_SETTING);
}
bool _backlight_init(void)
{
IO_CLK_PWM1C = 0x58D; /* as found in OF */
_backlight_set_brightness(backlight_brightness);
return true;
}

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firmware/target/arm/tms320dm320/sansa-connect/backlight-target.h Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 BACKLIGHT_TARGET_H
#define BACKLIGHT_TARGET_H
bool _backlight_init(void);
void _backlight_on(void);
void _backlight_off(void);
void _backlight_set_brightness(int brightness);
/* true: backlight fades off - false: backlight fades on */
void __backlight_dim(bool dim);
#endif

64
firmware/target/arm/tms320dm320/sansa-connect/button-target.h Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 "config.h"
#define BUTTON_REMOTE 0
/* these definitions match the avr hid reply */
#define BUTTON_LEFT (1 << 2)
#define BUTTON_UP (1 << 3)
#define BUTTON_RIGHT (1 << 4)
#define BUTTON_DOWN (1 << 5)
#define BUTTON_SELECT (1 << 6)
#define BUTTON_VOL_UP (1 << 10)
#define BUTTON_VOL_DOWN (1 << 11)
#define BUTTON_NEXT (1 << 13)
#define BUTTON_PREV (1 << 14)
/* following definitions use "free bits" from avr hid reply */
#define BUTTON_POWER (1 << 0)
#define BUTTON_HOLD (1 << 1)
#define BUTTON_SCROLL_FWD (1 << 7)
#define BUTTON_SCROLL_BACK (1 << 8)
#define BUTTON_REMOTE 0
#define BUTTON_MAIN (BUTTON_LEFT | BUTTON_UP | BUTTON_RIGHT | BUTTON_DOWN |\
BUTTON_SELECT | BUTTON_VOL_UP | BUTTON_VOL_DOWN |\
BUTTON_NEXT | BUTTON_PREV | BUTTON_POWER |\
BUTTON_SCROLL_FWD | BUTTON_SCROLL_BACK)
#define POWEROFF_BUTTON BUTTON_POWER
#define POWEROFF_COUNT 5
#define HAS_BUTTON_HOLD
void button_init_device(void);
int button_read_device(void);
bool button_hold(void);
int get_debug_info(int choice);
#endif /* _BUTTON_TARGET_H_ */

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firmware/target/arm/tms320dm320/sansa-connect/crt0-board.S Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 "cpu.h"
/* Macro for reading a register */
.macro mrh register
ldr r1, =\register
ldrh r0, [r1]
.endm
/* Macro for writing a register */
.macro mwh register, value
ldr r0, =\value
ldr r1, =\register
strh r0, [r1]
.endm
/* This version uses a mov to save on the literal pool size. Otherwise it is
* functionally equivalent.
*/
.macro mwhm register, value
mov r0, #\value
ldr r1, =\register
strh r0, [r1]
.endm
/*
* _init_board:
* This function initializes the specific board this SoC is on.
*/
.section .init, "ax"
.code 32
.align 0x04
.global _init_board
.type _init_board, %function
_init_board:
/* Setup the EMIF interface timings */
/* FLASH interface:
* These are based on the OF setup
*/
/* IO_EMIF_CS0CTRL1 and
* IO_EMIF_CS0CTRL2
*/
mwh 0x30A00, 0x889A
mwh 0x30A02, 0x1110
mwhm 0x30A04, 0
mwh 0x30A06, 0x1415
mwh 0x30A08, 0x1109
mwh 0x30A0A, 0x1220
mwh 0x30A0C, 0x1104
mwh 0x30A0E, 0x0222
/* IO_EMIF_CS3CTRL1 and
* IO_EMIF_CS3CTRL2
*/
mwh 0x30A10, 0x8899
mwh 0x30A12, 0x5110
/* USB interface */
/* IO_EMIF_CS4CTRL1 and
* IO_EMIF_CS4CTRL2
*/
mwh 0x30A14, 0x77DF
mwh 0x30A16, 0x7740
/* IO_EMIF_BUSCTRL */
mwhm 0x30A18, 0
mwhm 0x30A1A, 0
mwhm 0x30A1C, 0
mwhm 0x30A1E, 0
_clock_setup:
/* Clock initialization */
/* IO_CLK_BYP: Bypass the PLLs for the following changes */
mwh 0x30894, 0x1111
/*
* IO_CLK_PLLA
* IO_CLK_PLLB
*/
mwhm 0x30880, 0x00A0
mwhm 0x30882, 0x1000
/* IO_CLK_SEL0 */
mwh 0x30884, 0x0066
/* IO_CLK_SEL1 */
mwhm 0x30886, 0x0003
# IO_CLK_SEL2: ARM, AXL, SDRAM and DSP are from PLLA */
mwh 0x30888, 0
/* IO_CLK_DIV0: Set the slow clock speed for the ARM/AHB */
mwh 0x3088A, 0x0101
/* IO_CLK_DIV1: Accelerator, SDRAM */
mwh 0x3088C, 0x0102
/* IO_CLK_DIV2: DSP, MS Clock */
mwhm 0x3088E, 0x0200
# PLLA &= ~0x1000 (BIC #0x1000)
mrh 0x30880
bic r0, r0, #0x1000
strh r0, [r1]
/* Wait for PLLs to lock before feeding them to the downstream devices */
_plla_wait:
mrh 0x30880
bic r0, r0, #0x7F
tst r0, r0
beq _plla_wait
/* IO_CLK_BYP: Enable PLL feeds */
mwhm 0x30894, 0x0
/* IO_CLK_MOD0 */
mwh 0x30898, 0x01A7
/* IO_CLK_MOD1 */
mwhm 0x3089A, 0x18
/* IO_CLK_MOD2 */
mwhm 0x3089C, 0x4A0
/* Setup the SDRAM range on the AHB bus */
/* SDRAMSA */
mov r0, #0x60000
mov r1, #0x1000000
str r1, [r0, #0xF00]
/* SDRAMEA: 64MB */
mov r1, #0x5000000
str r1, [r0, #0xF04]
/* SDRC_REFCTL */
mwh 0x309A8, 0
ldr r0, =0x309A6
mov r2, #0x1380
orr r1, r2, #2
strh r1, [r0]
orr r1, r2, #4
strh r1, [r0]
strh r1, [r0]
strh r1, [r0]
strh r1, [r0]
strh r1, [r0]
strh r1, [r0]
strh r1, [r0]
strh r1, [r0]
orr r1, r2, #1
strh r1, [r0]
strh r2, [r0]
strh r2, [r0]
mwhm 0x309A8, 0x0140
mwhm 0x309BE, 0x4
mwhm 0x309BC, 0x2
ldr r0, =0x309C4
ldr r1, [r0]
orr r1, r1, #1
strh r1, [r0]
ldr r0, =0x309A6
mov r1, #0x1380
strh r1, [r0]
bic r1, r1, #0x80
strh r1, [r0]
orr r1, r1, #0x40
strh r1, [r0]
mwhm 0x309A8, 0x0140
/* Go through the GPIO initialization */
/* Warning: setting some of the functions wrong will make OF unable
to boot (freeze during startup) */
/* IO_GIO_FSEL0: Set up the GPIO pin functions 0-16 */
mwhm 0x305A4, 0xC000
/* IO_GIO_FSEL1: 17-24 */
mwh 0x305A6, 0xAAAA
/* IO_GIO_FSEL2: 18-32 */
mwh 0x305A8, 0xA80A
/* IO_GIO_FSEL3: 33-40 */
mwh 0x305AA, 0x1007
/* IO_GIO_DIR0 */
mwh 0x30580, 0xFF77
/* IO_GIO_DIR1 */
mwh 0x30582, 0xEFFE
/* IO_GIO_DIR2 */
mwh 0x30584, 0x01FD
/* IO_GIO_INV0 */
mwh 0x30586, 0x0000
/* IO_GIO_INV1 */
mwh 0x30588, 0x0000
/* IO_GIO_INV2 */
mwh 0x3058A, 0x0000
bx lr
.ltorg
.size _init_board, .-_init_board

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 <sys/types.h>
#include "config.h"
#include "cpu.h"
#include "string.h"
#include "kernel.h"
#include "system.h"
#include "system-target.h"
#include "lcd.h"
#include "lcd-target.h"
#include "avr-sansaconnect.h"
/* Copies a rectangle from one framebuffer to another. Can be used in
single transfer mode with width = num pixels, and height = 1 which
allows a full-width rectangle to be copied more efficiently. */
extern void lcd_copy_buffer_rect(fb_data *dst, const fb_data *src,
int width, int height);
static bool lcd_on = true;
bool lcd_active(void)
{
return lcd_on;
}
#if defined(HAVE_LCD_SLEEP)
void lcd_sleep(void)
{
if (lcd_on)
{
lcd_on = false;
avr_hid_lcm_sleep();
sleep(HZ/20);
/* disable video encoder */
bitclr16(&IO_VID_ENC_VMOD, 0x01);
sleep(HZ/20);
/* disable video encoder clock */
bitclr16(&IO_CLK_MOD1, CLK_MOD1_VENC);
}
}
void lcd_awake(void)
{
if (!lcd_on)
{
lcd_on = true;
/* enable video encoder clock */
bitset16(&IO_CLK_MOD1, CLK_MOD1_VENC);
/* enable video encoder */
bitset16(&IO_VID_ENC_VMOD, 0x01);
avr_hid_lcm_wake();
send_event(LCD_EVENT_ACTIVATION, NULL);
lcd_update();
}
}
#endif
void lcd_init_device(void)
{
unsigned int addr;
/* Disable Video Encoder clock */
bitclr16(&IO_CLK_MOD1, CLK_MOD1_VENC);
/* configure GIO39, GIO34 and GIO33 as outputs */
IO_GIO_DIR2 &= ~((1 << 7) /* GIO39 */ | (1 << 2) /* GIO34 */ |
(1 << 1) /* GIO33 */);
IO_GIO_FSEL3 = (IO_GIO_FSEL3 & ~(0x300F)) |
(0x1000) /* GIO39 - FIELD_VENC */ |
(0x3) /* GIO33 - CLKOUT1B (bootloader does this) */ |
(0x4); /* GIO34 - PWM1 (brightness control) */
/* OSD Clock = VENC Clock /2,
CCD clock PCLK,
VENC Clock from PLLA */
IO_CLK_SEL1 = 0x3;
/* Set VENC Clock Division to 11
OF bootloader sets division to 8, vmlinux sets it to 11 */
IO_CLK_DIV3 = (IO_CLK_DIV3 & ~(0x1F00)) | 0xB00;
/* Enable DAC and OSD clocks */
bitset16(&IO_CLK_MOD1, CLK_MOD1_DAC | CLK_MOD1_OSD);
/* magic values based on OF bootloader initialization */
IO_VID_ENC_VMOD = 0x2010;
IO_VID_ENC_VDPRO = 0x80;
IO_VID_ENC_HSPLS = 0x4;
IO_VID_ENC_HINT = 0x4B0;
IO_VID_ENC_HSTART = 0x88;
IO_VID_ENC_HVALID = 0x3C0;
IO_VID_ENC_HSDLY = 0;
IO_VID_ENC_VSPLS = 0x2;
IO_VID_ENC_VINT = 0x152;
IO_VID_ENC_VSTART = 0x6;
IO_VID_ENC_VVALID = 0x140;
IO_VID_ENC_VSDLY = 0;
IO_VID_ENC_DCLKCTL = 0x3;
IO_VID_ENC_DCLKPTN0 = 0xC;
IO_VID_ENC_VDCTL = 0x6000;
IO_VID_ENC_SYNCTL = 0x2;
IO_VID_ENC_LCDOUT = 0x101;
IO_VID_ENC_VMOD = 0x2011;
/* Copy Rockbox frame buffer to the second framebuffer */
lcd_update();
avr_hid_lcm_power_on();
/* set framebuffer address - OF sets RAM start address to 0x1000000 */
addr = ((int)FRAME-CONFIG_SDRAM_START)/32;
IO_OSD_OSDWINADH = addr >> 16;
IO_OSD_OSDWIN0ADL = addr & 0xFFFF;
IO_OSD_BASEPX = 0x44;
IO_OSD_BASEPY = 0x6;
IO_OSD_OSDWIN0XP = 0;
IO_OSD_OSDWIN0YP = 0;
IO_OSD_OSDWIN0XL = LCD_WIDTH*2; /* OF bootloader sets 480 */
IO_OSD_OSDWIN0YL = LCD_HEIGHT; /* OF bootloader sets 320 */
IO_OSD_OSDWIN0OFST = 0xF;
IO_OSD_OSDWINMD0 = 0x25FB;/* OF bootloader sets 25C3,
vmlinux changes this to 0x25FB */
IO_OSD_VIDWINMD = 0; /* disable video windows (OF sets 0x03) */
IO_OSD_OSDWINMD1 = 0; /* disable OSD window 1 */
/* Enable DAC, Video Encoder and OSD clocks */
bitset16(&IO_CLK_MOD1, CLK_MOD1_DAC | CLK_MOD1_VENC | CLK_MOD1_OSD);
/* Enable Video Encoder - RGB666, custom timing */
IO_VID_ENC_VMOD = 0x2011;
avr_hid_lcm_wake();
}
/* Update a fraction of the display. */
void lcd_update_rect(int x, int y, int width, int height)
__attribute__ ((section(".icode")));
void lcd_update_rect(int x, int y, int width, int height)
{
register fb_data *dst, *src;
if (!lcd_on)
return;
if ((width | height) < 0)
return; /* Nothing left to do */
if (x + width > LCD_WIDTH)
width = LCD_WIDTH - x; /* Clip right */
if (x < 0)
width += x, x = 0; /* Clip left */
if (y + height > LCD_HEIGHT)
height = LCD_HEIGHT - y; /* Clip bottom */
if (y < 0)
height += y, y = 0; /* Clip top */
dst = FRAME + LCD_WIDTH*y + x;
src = &lcd_framebuffer[y][x];
/* Copy part of the Rockbox framebuffer to the second framebuffer */
if (width < LCD_WIDTH)
{
/* Not full width - do line-by-line */
lcd_copy_buffer_rect(dst, src, width, height);
}
else
{
/* Full width - copy as one line */
lcd_copy_buffer_rect(dst, src, LCD_WIDTH*height, 1);
}
}
/* Update the display.
This must be called after all other LCD functions that change the display. */
void lcd_update(void) __attribute__ ((section(".icode")));
void lcd_update(void)
{
if (!lcd_on)
return;
lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
}
void lcd_set_contrast(int val) {
(void) val;
// TODO:
}
void lcd_set_invert_display(bool yesno) {
(void) yesno;
// TODO:
}
void lcd_set_flip(bool yesno) {
(void) yesno;
// TODO:
}
/* Line write helper function for lcd_yuv_blit. Write two lines of yuv420. */
extern void lcd_write_yuv420_lines(fb_data *dst,
unsigned char chroma_buf[LCD_HEIGHT/2*3],
unsigned char const * const src[3],
int width, int stride);
/* Performance function to blit a YUV bitmap directly to the LCD */
void lcd_blit_yuv(unsigned char * const src[3],
int src_x, int src_y, int stride,
int x, int y, int width, int height)
{
/* Caches for chroma data so it only need be recalculated every other
line */
unsigned char chroma_buf[LCD_HEIGHT/2*3]; /* 480 bytes */
unsigned char const * yuv_src[3];
off_t z;
if (!lcd_on)
return;
/* Sorry, but width and height must be >= 2 or else */
width &= ~1;
height >>= 1;
fb_data *dst = (fb_data*)FRAME + x * LCD_WIDTH + (LCD_WIDTH - y) - 1;
z = stride*src_y;
yuv_src[0] = src[0] + z + src_x;
yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1);
yuv_src[2] = src[2] + (yuv_src[1] - src[1]);
do
{
lcd_write_yuv420_lines(dst, chroma_buf, yuv_src, width,
stride);
yuv_src[0] += stride << 1; /* Skip down two luma lines */
yuv_src[1] += stride >> 1; /* Skip down one chroma line */
yuv_src[2] += stride >> 1;
dst -= 2;
}
while (--height > 0);
}

25
firmware/target/arm/tms320dm320/sansa-connect/lcd-target.h Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 _LCD_TARGET_H_
#define _LCD_TARGET_H_
#endif

207
firmware/target/arm/tms320dm320/sansa-connect/pcm-sansaconnect.c Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 "system.h"
#include "kernel.h"
#include "logf.h"
#include "audio.h"
#include "sound.h"
#include "file.h"
#include "dsp-target.h"
#include "dsp/ipc.h"
#include "mmu-arm.h"
#include "pcm-internal.h"
#include "dma-target.h"
/* This is global to save some latency when pcm_play_dma_get_peak_buffer is
* called.
*/
static void *start;
static int dma_channel;
void pcm_play_dma_postinit(void)
{
audiohw_postinit();
}
/* Return the current location in the SDRAM to SARAM transfer along with the
* number of bytes read in the current buffer (count). There is latency with
* this method equivalent to ~ the size of the SARAM buffer since there is
* another buffer between your ears and this calculation, but this works for
* key clicks and an approximate peak meter.
*/
const void * pcm_play_dma_get_peak_buffer(int *count)
{
int cnt = DSP_(_sdem_level);
unsigned long addr = (unsigned long) start + cnt;
*count = (cnt & 0xFFFFF) >> 1;
return (void *)((addr + 2) & ~3);
}
void pcm_play_dma_init(void)
{
/* GIO16 is DSP/AIC3X CLK */
IO_GIO_FSEL0 &= 0x3FFF;
IO_CLK_OSEL = (IO_CLK_OSEL & 0xFFF0) | 4; /* PLLIN clock */
IO_CLK_O0DIV = 7;
IO_GIO_DIR1 &= ~(1 << 0); /* GIO16 - output */
IO_GIO_FSEL0 |= 0xC000; /* GIO16 - CLKOUT0 */
audiohw_init();
audiohw_set_frequency(HW_FREQ_DEFAULT);
IO_INTC_IRQ0 = INTR_IRQ0_IMGBUF;
bitset16(&IO_INTC_EINT0, INTR_EINT0_IMGBUF);
/* Set this as a FIQ */
bitset16(&IO_INTC_FISEL0, INTR_EINT0_IMGBUF);
/* Enable the HPIB clock */
bitset16(&IO_CLK_MOD0, (CLK_MOD0_HPIB | CLK_MOD0_DSP));
/* Enable IMGBUF clock */
bitset16(&IO_CLK_MOD1, CLK_MOD1_IMGBUF);
dma_channel = dma_request_channel(DMA_PERIPHERAL_DSP,
DMA_MODE_1_BURST);
IO_DSPC_HPIB_CONTROL = 1 << 10 | 1 << 9 | 1 << 8 | 1 << 7 | 1 << 3 | 1 << 0;
dsp_reset();
dsp_load(dsp_image);
DSP_(_dma0_stopped)=1;
dsp_wake();
}
void pcm_dma_apply_settings(void)
{
audiohw_set_frequency(pcm_fsel);
}
/* Note that size is actually limited to the size of a short right now due to
* the implementation on the DSP side (and the way that we access it)
*/
void pcm_play_dma_start(const void *addr, size_t size)
{
unsigned long sdem_addr=(unsigned long)addr - CONFIG_SDRAM_START;
/* Initialize codec. */
DSP_(_sdem_addrl) = sdem_addr & 0xffff;
DSP_(_sdem_addrh) = sdem_addr >> 16;
DSP_(_sdem_dsp_size) = size;
DSP_(_dma0_stopped)=0;
dsp_wake();
}
void pcm_play_dma_stop(void)
{
DSP_(_dma0_stopped)=1;
dsp_wake();
}
void pcm_play_lock(void)
{
}
void pcm_play_unlock(void)
{
}
void pcm_play_dma_pause(bool pause)
{
if (pause)
{
DSP_(_dma0_stopped)=2;
dsp_wake();
}
else
{
DSP_(_dma0_stopped)=0;
dsp_wake();
}
}
size_t pcm_get_bytes_waiting(void)
{
return DSP_(_sdem_dsp_size)-DSP_(_sdem_level);
}
/* Only used when debugging */
static char buffer[80];
void DSPHINT(void) __attribute__ ((section(".icode")));
void DSPHINT(void)
{
unsigned int i;
size_t size;
IO_INTC_FIQ0 = INTR_IRQ0_IMGBUF;
switch (dsp_message.msg)
{
case MSG_DEBUGF:
/* DSP stores one character per word. */
for (i = 0; i < sizeof(buffer); i++)
{
buffer[i] = dsp_message.payload.debugf.buffer[i];
}
DEBUGF("DSP: %s", buffer);
break;
case MSG_REFILL:
/* Buffer empty. Try to get more. */
pcm_play_get_more_callback(&start, &size);
if (size != 0)
{
unsigned long sdem_addr=(unsigned long)start - CONFIG_SDRAM_START;
/* Flush any pending cache writes */
clean_dcache_range(start, size);
/* set the new DMA values */
DSP_(_sdem_addrl) = sdem_addr & 0xffff;
DSP_(_sdem_addrh) = sdem_addr >> 16;
DSP_(_sdem_dsp_size) = size;
DEBUGF("pcm_sdram at 0x%08lx, sdem_addr 0x%08lx",
(unsigned long)start, (unsigned long)sdem_addr);
pcm_play_dma_started_callback();
}
break;
default:
DEBUGF("DSP: unknown msg 0x%04x", dsp_message.msg);
break;
}
/* Re-Activate the channel */
dsp_wake();
DEBUGF("DSP: %s", buffer);
}

59
firmware/target/arm/tms320dm320/sansa-connect/power-sansaconnect.c Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 "cpu.h"
#include <stdbool.h>
#include "kernel.h"
#include "system.h"
#include "power.h"
#include "backlight.h"
#include "backlight-target.h"
#include "avr-sansaconnect.h"
void power_init(void)
{
}
void power_off(void)
{
avr_hid_reset_codec();
avr_hid_power_off();
}
#if CONFIG_CHARGING
unsigned int power_input_status(void)
{
return POWER_INPUT_NONE;
}
/* Returns true if the unit is charging the batteries. */
bool charging_state(void)
{
return false;
}
#endif
void ide_power_enable(bool on)
{
(void)on;
}

56
firmware/target/arm/tms320dm320/sansa-connect/powermgmt-sansaconnect.c Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 "adc.h"
#include "powermgmt.h"
#include "kernel.h"
/* THIS CONTAINS CURRENTLY DUMMY CODE! */
static const unsigned short current_voltage = 3910;
const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
{
0
};
const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
{
0
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
{
{ 100, 300, 400, 500, 600, 700, 800, 900, 1000, 1200, 1320 },
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
const unsigned short percent_to_volt_charge[11] =
{
100, 300, 400, 500, 600, 700, 800, 900, 1000, 1200, 1320,
};
/* Returns battery voltage from ADC [millivolts] */
unsigned int battery_adc_voltage(void)
{
return current_voltage;
}

53
firmware/target/arm/tms320dm320/sansa-connect/usb-sansaconnect.c Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 "system.h"
#include "kernel.h"
#include "usb.h"
#ifdef HAVE_USBSTACK
#include "usb_drv.h"
#include "usb_core.h"
#endif
bool usb_drv_connected(void)
{
return false;
}
int usb_detect(void)
{
return USB_EXTRACTED;
}
void usb_init_device(void)
{
return;
}
void usb_enable(bool on)
{
(void)on;
}
void usb_attach(void)
{
}

32
firmware/target/arm/tms320dm320/sansa-connect/usb-target.h Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 USB_TARGET_H
#define USB_TARGET_H
#include "dm320.h"
#include <stdbool.h>
int usb_detect(void);
void usb_init_device(void);
bool usb_drv_connected(void);
#endif

949
firmware/target/arm/tms320dm320/sdmmc-dm320.c Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2011 by Tomasz Moń
*
* 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 "sd.h"
#include "system.h"
#include <string.h>
#include "gcc_extensions.h"
#include "thread.h"
#include "panic.h"
#include "kernel.h"
#include "dma-target.h"
//#define SD_DEBUG
#ifdef SD_DEBUG
#include "lcd-target.h"
#include "lcd.h"
#include "font.h"
#ifdef BOOTLOADER
#include "common.h"
#else
#include "debug.h"
#endif
#endif
#include "sdmmc.h"
#include "disk.h"
#include "fat.h"
#include "system-target.h"
/* The configuration method is not very flexible. */
#define CARD_NUM_SLOT 1
#define NUM_CARDS 2
#define EC_OK 0
#define EC_FAILED 1
#define EC_NOCARD 2
#define EC_WAIT_STATE_FAILED 3
#define EC_POWER_UP 4
#define EC_FIFO_WR_EMPTY 5
#define EC_FIFO_WR_DONE 6
#define EC_TRAN_READ_ENTRY 7
#define EC_TRAN_READ_EXIT 8
#define EC_TRAN_WRITE_ENTRY 9
#define EC_TRAN_WRITE_EXIT 10
#define EC_COMMAND 11
#define EC_WRITE_PROTECT 12
#define EC_DATA_TIMEOUT 13
#define EC_RESP_TIMEOUT 14
#define EC_CRC_ERROR 15
#define NUM_EC 16
#define MIN_YIELD_PERIOD 1000
#define UNALIGNED_NUM_SECTORS 10
#define MAX_TRANSFER_ERRORS 10
#define SECTOR_SIZE 512
#define BLOCKS_PER_BANK 0x7A7800
/* command flags for send_cmd */
#define SDHC_RESP_FMT_NONE 0x0000
#define SDHC_RESP_FMT_1 0x0200
#define SDHC_RESP_FMT_2 0x0400
#define SDHC_RESP_FMT_3 0x0600
#define INITIAL_CLK 312500 /* Initial clock */
#define SD_CLK 24000000 /* Clock for SD cards */
#define MMC_CLK 15000000 /* Clock for MMC cards */
#ifdef SD_DEBUG
#ifdef BOOTLOADER
#define dbgprintf printf
#else
#define dbgprintf DEBUGF
#endif
#else
#define dbgprintf(...)
#endif
struct sd_card_status
{
int retry;
int retry_max;
};
/** static, private data **/
/* for compatibility */
static long last_disk_activity = -1;
static bool initialized = false;
static unsigned int sd_thread_id = 0;
static bool sd_enabled = false;
static long next_yield = 0;
static tCardInfo card_info [NUM_CARDS];
static tCardInfo *currcard;
static struct sd_card_status sd_status[NUM_CARDS] =
{
#if NUM_CARDS > 1
{0, 10},
#endif
{0, 10}
};
/* Shoot for around 75% usage */
static long sd_stack [(DEFAULT_STACK_SIZE*2 + 0x1c0)/sizeof(long)];
static const char sd_thread_name[] = "sd";
static struct mutex sd_mtx SHAREDBSS_ATTR;
static struct event_queue sd_queue;
static volatile unsigned int transfer_error[NUM_DRIVES];
/* align on cache line size */
static unsigned char aligned_buffer[UNALIGNED_NUM_SECTORS * SD_BLOCK_SIZE]
__attribute__((aligned(32)));
static void sd_card_mux(int card_no)
{
#ifdef HAVE_MULTIDRIVE
#ifdef SANSA_CONNECT
/* GIO6 - select Card; GIO5 - select iNAND (both active low) */
if (card_no == CARD_NUM_SLOT)
{
IO_GIO_BITSET0 = (1 << 5); /* deselect iNAND (GIO5) */
IO_GIO_BITCLR0 = (1 << 6); /* select card (GIO6) */
}
else
{
IO_GIO_BITSET0 = (1 << 6); /* deselect card (GIO6) */
IO_GIO_BITCLR0 = (1 << 5); /* select iNAND (GIO5) */
}
#else /* Different players */
(void)card_no;
#endif
#else /* No multidrive */
(void)card_no;
#endif
}
void sd_enable(bool on)
{
if (sd_enabled == on)
return; /* nothing to do */
if (on)
{
sd_enabled = true;
}
else
{
sd_enabled = false;
}
}
/* sets clock rate just like OF does */
static void sd_set_clock_rate(unsigned long rate)
{
unsigned char rate_val = 0;
if (rate == INITIAL_CLK)
{
rate_val = 0x3B;
}
else if (rate > INITIAL_CLK)
{
rate_val = 0;
}
else
{
rate_val = 0xFF;
}
IO_MMC_MEM_CLK_CONTROL = (IO_MMC_MEM_CLK_CONTROL & 0xFF00) | rate_val;
}
static int sd_poll_status(int st_reg_num, volatile unsigned int flag)
{
unsigned int status;
unsigned int status1;
bool done;
do
{
long time = current_tick;
if (TIME_AFTER(time, next_yield))
{
long ty = current_tick;
yield();
next_yield = ty + MIN_YIELD_PERIOD;
}
status = IO_MMC_STATUS0;
status1 = IO_MMC_STATUS1;
if (status & MMC_ST0_CMD_TIMEOUT)
{
dbgprintf("CMD timeout");
return -EC_RESP_TIMEOUT;
}
if (status & MMC_ST0_DATA_TIMEOUT)
{
dbgprintf("DATA timeout");
return -EC_DATA_TIMEOUT;
}
if (status &
(MMC_ST0_WR_CRCERR | MMC_ST0_RD_CRCERR | MMC_ST0_RESP_CRCERR))
{
dbgprintf("CRC error");
return -EC_CRC_ERROR;
}
if (st_reg_num == 0)
{
done = status & flag;
}
else
{
done = status1 & flag;
}
} while (!done);
return EC_OK;
}
static int dma_wait_for_completion(void)
{
unsigned short dma_status;
do
{
long time = current_tick;
if (TIME_AFTER(time, next_yield))
{
long ty = current_tick;
yield();
next_yield = ty + MIN_YIELD_PERIOD;
}
dma_status = IO_MMC_SD_DMA_STATUS1;
if (dma_status & (1 << 13))
{
return -EC_DATA_TIMEOUT;
}
} while (dma_status & (1 << 12));
return EC_OK;
}
static int sd_command(int cmd, unsigned long arg,
int cmdat, unsigned long *response)
{
int ret;
/* Clear response registers */
IO_MMC_RESPONSE0 = 0;
IO_MMC_RESPONSE1 = 0;
IO_MMC_RESPONSE2 = 0;
IO_MMC_RESPONSE3 = 0;
IO_MMC_RESPONSE4 = 0;
IO_MMC_RESPONSE5 = 0;
IO_MMC_RESPONSE6 = 0;
IO_MMC_RESPONSE7 = 0;
IO_MMC_COMMAND_INDEX = 0;
IO_MMC_SPI_DATA = 0;
IO_MMC_ARG_LOW = (unsigned int)((arg & 0xFFFF));
IO_MMC_ARG_HI = (unsigned int)((arg & 0xFFFF0000) >> 16);
/* SD is always in push-pull mode */
cmdat |= MMC_CMD_PPLEN;
cmdat |= (cmd & MMC_CMD_CMD_MASK);
if (cmdat & MMC_CMD_DATA)
cmdat |= MMC_CMD_DCLR;
IO_MMC_COMMAND = cmdat;
if (cmdat & MMC_CMD_DATA)
{
/* Command requires data - do not wait for RSPDNE */
ret = EC_OK;
}
else
{
ret = sd_poll_status(0, MMC_ST0_RSPDNE);
}
if (ret != EC_OK)
{
dbgprintf("Command failed (ret %d)", ret);
return ret;
}
if (response == NULL)
{
/* discard response */
}
else if ((cmdat & SDHC_RESP_FMT_1) || (cmdat & SDHC_RESP_FMT_3))
{
response[0] = (IO_MMC_RESPONSE7 << 16) | IO_MMC_RESPONSE6;
}
else if (cmdat & SDHC_RESP_FMT_2)
{
response[0] = (IO_MMC_RESPONSE7 << 16) | IO_MMC_RESPONSE6;
response[1] = (IO_MMC_RESPONSE5 << 16) | IO_MMC_RESPONSE4;
response[2] = (IO_MMC_RESPONSE3 << 16) | IO_MMC_RESPONSE2;
response[3] = (IO_MMC_RESPONSE1 << 16) | IO_MMC_RESPONSE0;
}
return 0;
}
static int sd_init_card(const int card_no)
{
bool sdhc = false;
unsigned long response[4];
int ret;
int i;
memset(currcard, 0, sizeof(*currcard));
sd_card_mux(card_no);
/* Set data bus width to 1 bit */
bitclr16(&IO_MMC_CONTROL, MMC_CTRL_WIDTH);
sd_set_clock_rate(INITIAL_CLK);
ret = sd_command(SD_GO_IDLE_STATE, 0, MMC_CMD_INITCLK, NULL);
if (ret < 0)
return -1;
ret = sd_command(SD_SEND_IF_COND, 0x1AA,
SDHC_RESP_FMT_3, response);
if ((response[0] & 0xFFF) == 0x1AA)
{
sdhc = true;
dbgprintf("found sdhc card");
}
while ((currcard->ocr & (1 << 31)) == 0) /* until card is powered up */
{
ret = sd_command(SD_APP_CMD, currcard->rca,
SDHC_RESP_FMT_1, NULL);
if (ret < 0)
{
dbgprintf("SD_APP_CMD failed");
return -1;
}
ret = sd_command(SD_APP_OP_COND,
(1 << 20) /* 3.2-3.3V */ |
(1 << 21) /* 3.3-3.4V */ |
(sdhc ? (1 << 30) : 0),
SDHC_RESP_FMT_3, &currcard->ocr);
if (ret < 0)
{
dbgprintf("SD_APP_OP_COND failed");
return -1;
}
}
dbgprintf("Card powered up");
ret = sd_command(SD_ALL_SEND_CID, 0,
SDHC_RESP_FMT_2, response);
if (ret < 0)
{
dbgprintf("SD_ALL_SEND_CID failed");
return -1;
}
for (i = 0; i<4; i++)
{
currcard->cid[i] = response[i];
}
ret = sd_command(SD_SEND_RELATIVE_ADDR, 0,
SDHC_RESP_FMT_1, &currcard->rca);
if (ret < 0)
{
dbgprintf("SD_SEND_RELATIVE_ADDR failed");
return -1;
}
ret = sd_command(SD_SEND_CSD, currcard->rca,
SDHC_RESP_FMT_2, response);
if (ret < 0)
{
dbgprintf("SD_SEND_CSD failed");
return -1;
}
for (i = 0; i<4; i++)
{
currcard->csd[i] = response[i];
}
sd_parse_csd(currcard);
sd_set_clock_rate(currcard->speed);
ret = sd_command(SD_SELECT_CARD, currcard->rca,
SDHC_RESP_FMT_1, NULL);
if (ret < 0)
{
dbgprintf("SD_SELECT_CARD failed");
return -1;
}
ret = sd_command(SD_APP_CMD, currcard->rca,
SDHC_RESP_FMT_1, NULL);
if (ret < 0)
{
dbgprintf("SD_APP_CMD failed");
return -1;
}
ret = sd_command(SD_SET_BUS_WIDTH, currcard->rca | 2,
SDHC_RESP_FMT_1, NULL); /* 4 bit */
if (ret < 0)
{
dbgprintf("SD_SET_BUS_WIDTH failed");
return -1;
}
/* Set data bus width to 4 bits */
bitset16(&IO_MMC_CONTROL, MMC_CTRL_WIDTH);
ret = sd_command(SD_SET_BLOCKLEN, currcard->blocksize,
SDHC_RESP_FMT_1, NULL);
if (ret < 0)
{
dbgprintf("SD_SET_BLOCKLEN failed");
return -1;
}
IO_MMC_BLOCK_LENGTH = currcard->blocksize;
dbgprintf("Card initialized");
currcard->initialized = 1;
return EC_OK;
}
/* lock must already by aquired */
static void sd_select_device(int card_no)
{
currcard = &card_info[card_no];
if (card_no == 0)
{
/* Main card always gets a chance */
sd_status[0].retry = 0;
}
if (currcard->initialized > 0)
{
/* This card is already initialized - switch to it */
sd_card_mux(card_no);
return;
}
if (currcard->initialized == 0)
{
/* Card needs (re)init */
sd_init_card(card_no);
}
}
static inline bool card_detect_target(void)
{
#ifdef SANSA_CONNECT
bool removed;
removed = IO_GIO_BITSET0 & (1 << 14);
return !removed;
#else
return false;
#endif
}
#ifdef HAVE_HOTSWAP
static int sd1_oneshot_callback(struct timeout *tmo)
{
(void)tmo;
/* This is called only if the state was stable for 300ms - check state
* and post appropriate event. */
if (card_detect_target())
{
queue_broadcast(SYS_HOTSWAP_INSERTED, 0);
}
else
queue_broadcast(SYS_HOTSWAP_EXTRACTED, 0);
return 0;
}
#ifdef SANSA_CONNECT
void GIO14(void) __attribute__ ((section(".icode")));
void GIO14(void)
{
static struct timeout sd1_oneshot;
/* clear interrupt */
IO_INTC_IRQ2 = (1<<3);
timeout_register(&sd1_oneshot, sd1_oneshot_callback, (3*HZ/10), 0);
}
#endif
bool sd_removable(IF_MD_NONVOID(int card_no))
{
#ifndef HAVE_MULTIDRIVE
const int card_no = 0;
#endif
return (card_no == CARD_NUM_SLOT);
}
bool sd_present(IF_MD_NONVOID(int card_no))
{
#ifndef HAVE_MULTIDRIVE
const int card_no = 0;
#endif
return (card_no == CARD_NUM_SLOT) ? card_detect_target() :
#ifdef SANSA_CONNECT
true; /* iNAND is always present */
#else
false;
#endif
}
#else /* no hotswap */
bool sd_removable(IF_MD_NONVOID(int card_no))
{
#ifdef HAVE_MULTIDRIVE
(void)card_no;
#endif
/* not applicable */
return false;
}
#endif /* HAVE_HOTSWAP */
static void sd_thread(void) NORETURN_ATTR;
static void sd_thread(void)
{
struct queue_event ev;
/* TODO */
while (1)
{
queue_wait_w_tmo(&sd_queue, &ev, HZ);
switch ( ev.id )
{
#ifdef HAVE_HOTSWAP
case SYS_HOTSWAP_INSERTED:
case SYS_HOTSWAP_EXTRACTED:
{
int success = 1;
fat_lock(); /* lock-out FAT activity first -
prevent deadlocking via disk_mount that
would cause a reverse-order attempt with
another thread */
mutex_lock(&sd_mtx); /* lock-out card activity - direct calls
into driver that bypass the fat cache */
/* We now have exclusive control of fat cache and ata */
disk_unmount(0); /* release "by force", ensure file
descriptors aren't leaked and any busy
ones are invalid if mounting */
/* Force card init for new card, re-init for re-inserted one or
* clear if the last attempt to init failed with an error. */
card_info[0].initialized = 0;
if (ev.id == SYS_HOTSWAP_INSERTED)
{
/* FIXME: once sd_enabled is implement properly,
* reinitializing the controllers might be needed */
sd_enable(true);
if (success < 0) /* initialisation failed */
panicf("SD init failed : %d", success);
success = disk_mount(0); /* 0 if fail */
}
/* notify the system about the changed filesystems
*/
if (success)
queue_broadcast(SYS_FS_CHANGED, 0);
/* Access is now safe */
mutex_unlock(&sd_mtx);
fat_unlock();
sd_enable(false);
}
break;
#endif
}
}
}
static int sd_wait_for_state(unsigned int state)
{
unsigned long response = 0;
unsigned int timeout = HZ; /* ticks */
long t = current_tick;
while (1)
{
long tick;
int ret = sd_command(SD_SEND_STATUS, currcard->rca,
SDHC_RESP_FMT_1, &response);
if (ret < 0)
return ret;
if ((SD_R1_CURRENT_STATE(response) == state))
{
return EC_OK;
}
if(TIME_AFTER(current_tick, t + timeout))
return -2;
if (TIME_AFTER((tick = current_tick), next_yield))
{
yield();
timeout += current_tick - tick;
next_yield = tick + MIN_YIELD_PERIOD;
}
}
}
static int sd_transfer_sectors(int card_no, unsigned long start,
int count, void *buffer, bool write)
{
int ret;
unsigned long start_addr;
int dma_channel = -1;
bool use_direct_dma;
int count_per_dma;
unsigned long rel_addr;
dbgprintf("transfer %d %d %d", card_no, start, count);
mutex_lock(&sd_mtx);
sd_enable(true);
sd_transfer_retry:
if (card_no == CARD_NUM_SLOT && !card_detect_target())
{
/* no external sd-card inserted */
ret = -EC_NOCARD;
goto sd_transfer_error;
}
sd_select_device(card_no);
if (currcard->initialized < 0)
{
ret = currcard->initialized;
goto sd_transfer_error;
}
last_disk_activity = current_tick;
ret = sd_wait_for_state(SD_TRAN);
if (ret < EC_OK)
{
goto sd_transfer_error;
}
IO_MMC_BLOCK_LENGTH = currcard->blocksize;
start_addr = start;
do
{
count_per_dma = count;
if (((unsigned long)buffer) & 0x1F)
{
/* MMC/SD interface requires 32-byte alignment of buffer */
use_direct_dma = false;
if (count > UNALIGNED_NUM_SECTORS)
{
count_per_dma = UNALIGNED_NUM_SECTORS;
}
}
else
{
use_direct_dma = true;
}
if (write == true)
{
if (use_direct_dma == false)
{
memcpy(aligned_buffer, buffer, count_per_dma*SD_BLOCK_SIZE);
}
commit_dcache_range(use_direct_dma ? buffer : aligned_buffer,
count_per_dma*SD_BLOCK_SIZE);
}
IO_MMC_NR_BLOCKS = count_per_dma;
/* Set start_addr to the correct unit (blocks or bytes) */
if (!(card_info[card_no].ocr & SD_OCR_CARD_CAPACITY_STATUS))
start_addr *= SD_BLOCK_SIZE; /* not SDHC */
ret = sd_command(write ? SD_WRITE_MULTIPLE_BLOCK : SD_READ_MULTIPLE_BLOCK,
start_addr, MMC_CMD_DCLR | MMC_CMD_DATA |
SDHC_RESP_FMT_1 | (write ? MMC_CMD_WRITE : 0),
NULL);
if (ret < 0)
goto sd_transfer_error;
/* other burst modes are not supported for this peripheral */
dma_channel = dma_request_channel(DMA_PERIPHERAL_MMCSD,
DMA_MODE_8_BURST);
if (use_direct_dma == true)
{
rel_addr = ((unsigned long)buffer)-CONFIG_SDRAM_START;
}
else
{
rel_addr = ((unsigned long)aligned_buffer)-CONFIG_SDRAM_START;
}
IO_MMC_SD_DMA_ADDR_LOW = rel_addr & 0xFFFF;
IO_MMC_SD_DMA_ADDR_HI = (rel_addr & 0xFFFF0000) >> 16;
IO_MMC_SD_DMA_MODE |= MMC_DMAMODE_ENABLE;
if (write == true)
{
IO_MMC_SD_DMA_MODE |= MMC_DMAMODE_WRITE;
}
IO_MMC_SD_DMA_TRIGGER = 1;
dbgprintf("SD DMA transfer in progress");
ret = dma_wait_for_completion();
dma_release_channel(dma_channel);
dbgprintf("SD DMA transfer complete");
if (ret != EC_OK)
{
goto sd_transfer_error;
}
count -= count_per_dma;
if (write == false)
{
discard_dcache_range(use_direct_dma ? buffer : aligned_buffer,
count_per_dma*SD_BLOCK_SIZE);
if (use_direct_dma == false)
{
memcpy(buffer, aligned_buffer, count_per_dma*SD_BLOCK_SIZE);
}
}
buffer += count_per_dma*SD_BLOCK_SIZE;
start_addr += count_per_dma;
last_disk_activity = current_tick;
ret = sd_command(SD_STOP_TRANSMISSION, 0, SDHC_RESP_FMT_1, NULL);
if (ret < 0)
{
goto sd_transfer_error;
}
ret = sd_wait_for_state(SD_TRAN);
if (ret < 0)
{
goto sd_transfer_error;
}
} while (count > 0);
while (1)
{
sd_enable(false);
mutex_unlock(&sd_mtx);
return ret;
sd_transfer_error:
if (sd_status[card_no].retry < sd_status[card_no].retry_max
&& ret != -EC_NOCARD)
{
sd_status[card_no].retry++;
currcard->initialized = 0;
goto sd_transfer_retry;
}
}
}
int sd_read_sectors(IF_MD2(int card_no,) unsigned long start, int incount,
void* inbuf)
{
#ifndef HAVE_MULTIDRIVE
const int card_no = 0;
#endif
return sd_transfer_sectors(card_no, start, incount, inbuf, false);
}
int sd_write_sectors(IF_MD2(int card_no,) unsigned long start, int count,
const void* outbuf)
{
#ifndef BOOTLOADER
#ifndef HAVE_MULTIDRIVE
const int card_no = 0;
#endif
return sd_transfer_sectors(card_no, start, count, (void*)outbuf, true);
#else /* we don't need write support in bootloader */
#ifdef HAVE_MULTIDRIVE
(void)card_no;
#endif
(void)start;
(void)count;
(void)outbuf;
return 0;
#endif
}
int sd_init(void)
{
int ret = EC_OK;
#ifndef BOOTLOADER
sd_enabled = true;
sd_enable(false);
#endif
mutex_init(&sd_mtx);
mutex_lock(&sd_mtx);
initialized = true;
/* based on linux/drivers/mmc/dm320mmc.c
Copyright (C) 2006 ZSI, All Rights Reserved.
Written by: Ben Bostwick */
bitclr16(&IO_CLK_MOD2, CLK_MOD2_MMC);
bitset16(&IO_CLK_INV, CLK_INV_MMC);
/* mmc module clock: 75 Mhz (AHB) / 2 = ~37.5 Mhz */
/* OF uses 1, but for some reason it freezes on us */
IO_CLK_DIV3 = (IO_CLK_DIV3 & 0xFF00) | 0x02;
bitset16(&IO_CLK_MOD2, CLK_MOD2_MMC);
/* set mmc module into reset */
bitset16(&IO_MMC_CONTROL, (MMC_CTRL_DATRST | MMC_CTRL_CMDRST));
/* set resp timeout to max */
IO_MMC_RESPONSE_TIMEOUT |= 0x1FFF;
IO_MMC_READ_TIMEOUT = 0xFFFF;
/* all done, take mmc module out of reset */
bitclr16(&IO_MMC_CONTROL, (MMC_CTRL_DATRST | MMC_CTRL_CMDRST));
#ifdef SANSA_CONNECT
/* GIO37 - Power Card; GIO38 - Power iNAND (both active low) */
IO_GIO_DIR2 &= ~((1 << 5) /* GIO37 */ | (1 << 6) /* GIO38 */);
IO_GIO_INV2 &= ~((1 << 5) /* GIO37 */ | (1 << 6) /* GIO38 */);
IO_GIO_BITCLR2 = (1 << 5) | (1 << 6);
/* GIO6 - select Card; GIO5 - select iNAND (both active low) */
IO_GIO_DIR0 &= ~((1 << 6) /* GIO6 */ | (1 << 5) /* GIO5 */);
IO_GIO_INV0 &= ~((1 << 6) /* GIO6 */ | (1 << 5) /* GIO5 */);
IO_GIO_BITSET0 = (1 << 6) | (1 << 5);
#ifdef HAVE_HOTSWAP
/* GIO14 is card detect */
IO_GIO_DIR0 |= (1 << 14); /* Set GIO14 as input */
IO_GIO_INV0 &= ~(1 << 14); /* GIO14 not inverted */
IO_GIO_IRQPORT |= (1 << 14); /* Enable GIO14 external interrupt */
IO_GIO_IRQEDGE |= (1 << 14); /* Any edge detection */
/* Enable GIO14 interrupt */
IO_INTC_EINT2 |= INTR_EINT2_EXT14;
#endif
#endif
sd_select_device(1);
/* Enable Memory Card CLK */
bitset16(&IO_MMC_MEM_CLK_CONTROL, (1 << 8));
queue_init(&sd_queue, true);
sd_thread_id = create_thread(sd_thread, sd_stack, sizeof(sd_stack),
0, sd_thread_name IF_PRIO(, PRIORITY_USER_INTERFACE)
IF_COP(, CPU));
mutex_unlock(&sd_mtx);
return ret;
}
long sd_last_disk_activity(void)
{
return last_disk_activity;
}
tCardInfo *card_get_info_target(int card_no)
{
return &card_info[card_no];
}
void sd_sleepnow(void)
{
}

33
firmware/target/arm/tms320dm320/system-dm320.c
View file

@ -26,11 +26,16 @@
#include "uart-target.h"
#include "system-arm.h"
#include "spi.h"
#include "i2c.h"
#ifdef CREATIVE_ZVx
#include "dma-target.h"
#else
#endif
#ifdef MROBE_500
#include "usb-mr500.h"
#endif
#ifdef SANSA_CONNECT
#include "avr-sansaconnect.h"
#endif
static unsigned short clock_arm_slow = 0xFFFF;
static unsigned short clock_arm_fast = 0xFFFF;
@ -182,7 +187,12 @@ void system_exception_wait(void)
IO_INTC_EINT0 = 0;
IO_INTC_EINT1 = 0;
IO_INTC_EINT2 = 0;
#ifdef MROBE_500
while ((IO_GIO_BITSET0&0x01) != 0); /* Wait for power button */
#endif
#ifdef SANSA_CONNECT
while (1); /* Holding power button for a while makes avr system reset */
#endif
}
void system_init(void)
@ -311,7 +321,7 @@ void system_init(void)
clock_arm_slow = (0 << 8) | 3;
clock_arm_fast = (1 << 8) | 1;
}
/* M48XI disabled, USB buffer powerdown */
IO_CLK_LPCTL1 = 0x11; /* I2C wodn't work with this disabled */
@ -337,14 +347,22 @@ void system_init(void)
uart_init();
spi_init();
#ifdef MROBE_500
/* Initialization is done so shut the front LED off so that the battery
* can charge.
*/
IO_GIO_BITCLR2 = 0x0001;
#endif
#ifdef CREATIVE_ZVx
dma_init();
#endif
#ifdef SANSA_CONNECT
i2c_init();
avr_hid_init();
avr_hid_enable_charger();
#endif
}
int system_memory_guard(int newmode)
@ -388,4 +406,13 @@ void udelay(int usec) {
}
}
#ifdef BOOTLOADER
void system_prepare_fw_start(void)
{
tick_stop();
IO_INTC_EINT0 = 0;
IO_INTC_EINT1 = 0;
IO_INTC_EINT2 = 0;
}
#endif

5
firmware/target/arm/tms320dm320/system-target.h
View file

@ -41,4 +41,9 @@ void udelay(int usec);
true; }) /* handled here */
#endif
#ifdef BOOTLOADER
void tick_stop(void);
void system_prepare_fw_start(void);
#endif
#endif /* SYSTEM_TARGET_H */