7d81e7c866
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16465 a1c6a512-1295-4272-9138-f99709370657
142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Linus Nielsen Feltzing
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*
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* iPod driver based on code from the ipodlinux project - http://ipodlinux.org
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* Adapted for Rockbox in January 2006
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* Original file: podzilla/usb.c
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* Copyright (C) 2005 Adam Johnston
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "system.h"
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#include "usb.h"
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#include "button.h"
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#include "ata.h"
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#include "string.h"
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#include "usb_core.h"
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#include "usb_drv.h"
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void usb_init_device(void)
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{
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/* enable usb module */
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outl(inl(0x7000002C) | 0x3000000, 0x7000002C);
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DEV_EN |= DEV_USB0;
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DEV_EN |= DEV_USB1;
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/* reset both USBs */
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DEV_RS |= DEV_USB0;
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DEV_RS &=~DEV_USB0;
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DEV_RS |= DEV_USB1;
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DEV_RS &=~DEV_USB1;
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DEV_INIT2 |= INIT_USB;
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while ((inl(0x70000028) & 0x80) == 0);
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outl(inl(0x70000028) | 0x2, 0x70000028);
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udelay(0x186A0);
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/* disable USB-devices until USB is detected via GPIO */
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DEV_EN &= ~DEV_USB0;
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DEV_EN &= ~DEV_USB1;
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DEV_INIT2 &= ~INIT_USB;
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#if defined(IPOD_COLOR) || defined(IPOD_4G) \
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|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
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/* GPIO C bit 1 is firewire detect */
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GPIOC_ENABLE |= 0x02;
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GPIOC_OUTPUT_EN &= ~0x02;
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#endif
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}
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void usb_enable(bool on)
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{
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if (on) {
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/* if USB is detected, re-enable the USB-devices, otherwise make sure it's disabled */
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DEV_EN |= DEV_USB0;
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DEV_RS &=~DEV_USB0;
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DEV_EN |= DEV_USB1;
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DEV_RS &=~DEV_USB1;
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DEV_INIT2 |= INIT_USB;
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usb_core_init();
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}
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else {
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usb_core_exit();
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/* Disable USB devices */
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DEV_EN &=~ DEV_USB0;
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DEV_EN &=~ DEV_USB1;
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DEV_INIT2 &=~ INIT_USB;
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}
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}
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static bool usb_pin_detect(void)
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{
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bool retval = false;
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#if defined(IPOD_4G) || defined(IPOD_COLOR) \
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|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
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/* GPIO D bit 3 is usb detect */
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if (GPIOD_INPUT_VAL & 0x08)
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retval = true;
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#elif defined(IPOD_NANO) || defined(IPOD_VIDEO)
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/* GPIO L bit 4 is usb detect */
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if (GPIOL_INPUT_VAL & 0x10)
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retval = true;
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#elif defined(SANSA_C200)
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/* GPIO H bit 1 is usb detect */
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if (GPIOH_INPUT_VAL & 0x02)
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retval = true;
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#elif defined(SANSA_E200)
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/* GPIO B bit 4 is usb detect */
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if (GPIOB_INPUT_VAL & 0x10)
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retval = true;
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#elif defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
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/* GPIO L bit 2 is usb detect */
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if (GPIOL_INPUT_VAL & 0x4)
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retval = true;
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#endif
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return retval;
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}
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/* detect host or charger (INSERTED or POWERED) */
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int usb_detect(void)
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{
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if(usb_pin_detect()) {
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return USB_INSERTED;
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}
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else {
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return USB_EXTRACTED;
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}
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}
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#if defined(IPOD_COLOR) || defined(IPOD_4G) \
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|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
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bool firewire_detect(void)
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{
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/* GPIO C bit 1 is firewire detect */
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if (!(GPIOC_INPUT_VAL & 0x02))
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/* no charger detection needed for firewire */
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return true;
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else
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return false;
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}
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#endif
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