20dbc1b21f
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15774 a1c6a512-1295-4272-9138-f99709370657
549 lines
16 KiB
C
549 lines
16 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) 2007 by Björn Stenberg
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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 "system.h"
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#include "thread.h"
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#include "kernel.h"
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#include "string.h"
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//#define LOGF_ENABLE
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#include "logf.h"
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//#define USB_STORAGE
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//#define USB_BENCHMARK
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#define USB_CHARGING_ONLY
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#include "usb_ch9.h"
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#include "usb_drv.h"
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#include "usb_core.h"
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#if defined(USB_STORAGE)
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#include "usb_storage.h"
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#elif defined(USB_BENCHMARK)
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#include "usb_benchmark.h"
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#endif
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/*-------------------------------------------------------------------------*/
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/* USB protocol descriptors: */
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#define USB_SC_SCSI 0x06 /* Transparent */
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#define USB_PROT_BULK 0x50 /* bulk only */
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int usb_max_pkt_size = 512;
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static const struct usb_device_descriptor device_descriptor = {
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.bLength = sizeof(struct usb_device_descriptor),
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.bDescriptorType = USB_DT_DEVICE,
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.bcdUSB = 0x0200, /* USB version 2.0 */
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.bDeviceClass = USB_CLASS_PER_INTERFACE,
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.bDeviceSubClass = 0,
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.bDeviceProtocol = 0,
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.bMaxPacketSize0 = 64,
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.idVendor = USB_VENDOR_ID,
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.idProduct = USB_PRODUCT_ID,
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.bcdDevice = 0x0100,
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.iManufacturer = 1,
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.iProduct = 2,
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.iSerialNumber = 0,
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.bNumConfigurations = 1
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};
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static const struct {
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struct usb_config_descriptor config_descriptor;
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struct usb_interface_descriptor interface_descriptor;
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struct usb_endpoint_descriptor ep1_hs_in_descriptor;
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struct usb_endpoint_descriptor ep1_hs_out_descriptor;
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} config_data =
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{
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{
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.bLength = sizeof(struct usb_config_descriptor),
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.bDescriptorType = USB_DT_CONFIG,
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.wTotalLength = sizeof config_data,
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.bNumInterfaces = 1,
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.bConfigurationValue = 1,
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.iConfiguration = 0,
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.bmAttributes = USB_CONFIG_ATT_ONE,
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.bMaxPower = 250, /* 500mA in 2mA units */
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},
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#ifdef USB_CHARGING_ONLY
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/* dummy interface for charging-only */
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{
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.bLength = sizeof(struct usb_interface_descriptor),
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.bDescriptorType = USB_DT_INTERFACE,
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.bInterfaceNumber = 0,
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.bAlternateSetting = 0,
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.bNumEndpoints = 2,
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.bInterfaceClass = USB_CLASS_VENDOR_SPEC,
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.bInterfaceSubClass = 0,
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.bInterfaceProtocol = 0,
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.iInterface = 4
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},
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{
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.bLength = sizeof(struct usb_endpoint_descriptor),
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.bDescriptorType = USB_DT_ENDPOINT,
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.bEndpointAddress = EP_TX | USB_DIR_IN,
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.bmAttributes = USB_ENDPOINT_XFER_BULK,
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.wMaxPacketSize = 64,
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.bInterval = 0
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},
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{
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.bLength = sizeof(struct usb_endpoint_descriptor),
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.bDescriptorType = USB_DT_ENDPOINT,
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.bEndpointAddress = EP_RX | USB_DIR_OUT,
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.bmAttributes = USB_ENDPOINT_XFER_BULK,
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.wMaxPacketSize = 64,
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.bInterval = 0
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}
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#endif
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#ifdef USB_STORAGE
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/* storage interface */
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{
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.bLength = sizeof(struct usb_interface_descriptor),
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.bDescriptorType = USB_DT_INTERFACE,
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.bInterfaceNumber = 0,
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.bAlternateSetting = 0,
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.bNumEndpoints = 2,
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.bInterfaceClass = USB_CLASS_MASS_STORAGE,
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.bInterfaceSubClass = USB_SC_SCSI,
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.bInterfaceProtocol = USB_PROT_BULK,
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.iInterface = 0
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},
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{
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.bLength = sizeof(struct usb_endpoint_descriptor),
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.bDescriptorType = USB_DT_ENDPOINT,
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.bEndpointAddress = EP_TX | USB_DIR_IN,
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.bmAttributes = USB_ENDPOINT_XFER_BULK,
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.wMaxPacketSize = 512,
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.bInterval = 0
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},
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{
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.bLength = sizeof(struct usb_endpoint_descriptor),
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.bDescriptorType = USB_DT_ENDPOINT,
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.bEndpointAddress = EP_RX | USB_DIR_OUT,
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.bmAttributes = USB_ENDPOINT_XFER_BULK,
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.wMaxPacketSize = 512,
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.bInterval = 0
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}
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#endif
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#ifdef USB_SERIAL
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/* serial interface */
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{
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.bLength = sizeof(struct usb_interface_descriptor),
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.bDescriptorType = USB_DT_INTERFACE,
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.bInterfaceNumber = 0,
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.bAlternateSetting = 0,
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.bNumEndpoints = 2,
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.bInterfaceClass = USB_CLASS_CDC_DATA,
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.bInterfaceSubClass = 0,
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.bInterfaceProtocol = 0,
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.iInterface = 0
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},
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{
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.bLength = sizeof(struct usb_endpoint_descriptor),
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.bDescriptorType = USB_DT_ENDPOINT,
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.bEndpointAddress = EP_TX | USB_DIR_IN,
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.bmAttributes = USB_ENDPOINT_XFER_BULK,
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.wMaxPacketSize = 512,
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.bInterval = 0
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},
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{
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.bLength = sizeof(struct usb_endpoint_descriptor),
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.bDescriptorType = USB_DT_ENDPOINT,
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.bEndpointAddress = EP_RX | USB_DIR_OUT,
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.bmAttributes = USB_ENDPOINT_XFER_BULK,
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.wMaxPacketSize = 512,
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.bInterval = 0
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}
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#endif
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#ifdef USB_BENCHMARK
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/* bulk test interface */
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{
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.bLength = sizeof(struct usb_interface_descriptor),
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.bDescriptorType = USB_DT_INTERFACE,
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.bInterfaceNumber = 0,
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.bAlternateSetting = 0,
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.bNumEndpoints = 2,
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.bInterfaceClass = USB_CLASS_VENDOR_SPEC,
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.bInterfaceSubClass = 255,
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.bInterfaceProtocol = 255,
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.iInterface = 3
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},
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{
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.bLength = sizeof(struct usb_endpoint_descriptor),
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.bDescriptorType = USB_DT_ENDPOINT,
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.bEndpointAddress = EP_RX | USB_DIR_OUT,
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.bmAttributes = USB_ENDPOINT_XFER_BULK,
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// .wMaxPacketSize = 64,
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.wMaxPacketSize = 512,
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.bInterval = 0
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},
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{
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.bLength = sizeof(struct usb_endpoint_descriptor),
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.bDescriptorType = USB_DT_ENDPOINT,
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.bEndpointAddress = EP_TX | USB_DIR_IN,
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.bmAttributes = USB_ENDPOINT_XFER_BULK,
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// .wMaxPacketSize = 64,
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.wMaxPacketSize = 512,
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.bInterval = 0
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}
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#endif
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};
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static const struct usb_qualifier_descriptor qualifier_descriptor =
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{
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.bLength = sizeof(struct usb_qualifier_descriptor),
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.bDescriptorType = USB_DT_DEVICE_QUALIFIER,
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.bcdUSB = 0x0200,
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.bDeviceClass = 0,
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.bDeviceSubClass = 0,
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.bDeviceProtocol = 0,
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.bMaxPacketSize0 = 64,
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.bNumConfigurations = 1
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};
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/* full speed = 12 Mbit */
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static const struct usb_endpoint_descriptor ep1_fs_in_descriptor =
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{
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.bLength = sizeof(struct usb_endpoint_descriptor),
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.bDescriptorType = USB_DT_ENDPOINT,
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.bEndpointAddress = 1 | USB_DIR_IN,
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.bmAttributes = USB_ENDPOINT_XFER_BULK,
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.wMaxPacketSize = 64,
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.bInterval = 0
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};
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static const struct usb_endpoint_descriptor ep1_fs_out_descriptor =
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{
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.bLength = sizeof(struct usb_endpoint_descriptor),
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.bDescriptorType = USB_DT_ENDPOINT,
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.bEndpointAddress = 1 | USB_DIR_OUT,
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.bmAttributes = USB_ENDPOINT_XFER_BULK,
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.wMaxPacketSize = 64,
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.bInterval = 0
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};
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static const struct usb_endpoint_descriptor* ep_descriptors[4] =
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{
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&config_data.ep1_hs_in_descriptor,
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&config_data.ep1_hs_out_descriptor,
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&ep1_fs_in_descriptor,
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&ep1_fs_out_descriptor
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};
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/* this is stringid #0: languages supported */
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static const struct usb_string_descriptor lang_descriptor =
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{
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sizeof(struct usb_string_descriptor),
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USB_DT_STRING,
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{0x0409} /* LANGID US English */
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};
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/* this is stringid #1 and up: the actual strings */
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static const struct {
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unsigned char size;
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unsigned char type;
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unsigned short string[32];
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} usb_strings[] =
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{
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{
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24,
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USB_DT_STRING,
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{'R','o','c','k','b','o','x','.','o','r','g'}
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},
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{
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42,
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USB_DT_STRING,
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{'R','o','c','k','b','o','x',' ','m','e','d','i','a',' ','p','l','a','y','e','r'}
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},
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{
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40,
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USB_DT_STRING,
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{'B','u','l','k',' ','t','e','s','t',' ','i','n','t','e','r','f','a','c','e'}
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},
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{
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28,
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USB_DT_STRING,
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{'C','h','a','r','g','i','n','g',' ','o','n','l','y'}
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}
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};
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static int usb_address = 0;
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static bool initialized = false;
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static bool data_connection = false;
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static struct event_queue usbcore_queue;
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#ifdef USB_STORAGE
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static const char usbcore_thread_name[] = "usb_core";
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static struct thread_entry* usbcore_thread;
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static long usbcore_stack[DEFAULT_STACK_SIZE];
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static void usb_core_thread(void);
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#endif
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static void ack_control(struct usb_ctrlrequest* req);
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void usb_core_init(void)
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{
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if (initialized)
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return;
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queue_init(&usbcore_queue, false);
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usb_drv_init();
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#ifdef USB_STORAGE
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usb_storage_init();
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usbcore_thread =
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create_thread(usb_core_thread, usbcore_stack, sizeof(usbcore_stack), 0,
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usbcore_thread_name
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IF_PRIO(, PRIORITY_SYSTEM)
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IF_COP(, CPU));
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#endif
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#ifdef USB_BENCHMARK
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usb_benchmark_init();
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#endif
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initialized = true;
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logf("usb_core_init() finished");
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}
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void usb_core_exit(void)
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{
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if (initialized) {
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usb_drv_exit();
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queue_delete(&usbcore_queue);
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#ifdef USB_STORAGE
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remove_thread(usbcore_thread);
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#endif
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data_connection = false;
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}
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logf("usb_core_exit() finished");
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}
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bool usb_core_data_connection(void)
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{
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return data_connection;
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}
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#ifdef USB_STORAGE
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void usb_core_thread(void)
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{
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while (1) {
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struct queue_event ev;
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queue_wait(&usbcore_queue, &ev);
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usb_storage_transfer_complete(ev.id, ev.data);
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}
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}
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#endif
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/* called by usb_drv_int() */
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void usb_core_control_request(struct usb_ctrlrequest* req)
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{
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/* note: interrupt context */
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data_connection = true;
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#ifdef USB_BENCHMARK
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if ((req->bRequestType & 0x60) == USB_TYPE_VENDOR) {
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usb_benchmark_control_request(req);
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return;
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}
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#endif
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switch (req->bRequest) {
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case USB_REQ_SET_CONFIGURATION:
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logf("usb_core: SET_CONFIG");
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#ifdef USB_STORAGE
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usb_storage_control_request(req);
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#endif
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ack_control(req);
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break;
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case USB_REQ_SET_INTERFACE:
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logf("usb_core: SET_INTERFACE");
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ack_control(req);
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break;
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case USB_REQ_CLEAR_FEATURE:
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logf("usb_core: CLEAR_FEATURE");
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if (req->wValue)
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usb_drv_stall(req->wIndex, true);
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else
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usb_drv_stall(req->wIndex, false);
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ack_control(req);
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break;
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case USB_REQ_SET_ADDRESS:
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usb_address = req->wValue;
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logf("usb_core: SET_ADR %d", usb_address);
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ack_control(req);
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usb_drv_set_address(usb_address);
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break;
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case USB_REQ_GET_STATUS: {
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static char tmp[2] = {0,0};
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tmp[0] = 0;
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tmp[1] = 0;
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logf("usb_core: GET_STATUS");
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usb_drv_send(EP_CONTROL, UNCACHED_ADDR(&tmp), 2);
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ack_control(req);
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break;
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}
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case USB_REQ_GET_DESCRIPTOR: {
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int index = req->wValue & 0xff;
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int length = req->wLength;
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int size;
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const void* ptr = NULL;
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logf("usb_core: GET_DESC %d", req->wValue >> 8);
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switch (req->wValue >> 8) { /* type */
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case USB_DT_DEVICE:
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ptr = &device_descriptor;
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size = sizeof device_descriptor;
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break;
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case USB_DT_CONFIG:
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ptr = &config_data;
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size = sizeof config_data;
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break;
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case USB_DT_STRING:
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switch (index) {
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case 0: /* lang descriptor */
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ptr = &lang_descriptor;
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size = sizeof lang_descriptor;
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break;
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default:
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if ((unsigned)index <= (sizeof(usb_strings)/sizeof(usb_strings[0]))) {
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index -= 1;
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ptr = &usb_strings[index];
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size = usb_strings[index].size;
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}
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else {
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logf("bad string id %d", index);
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usb_drv_stall(EP_CONTROL, true);
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}
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break;
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}
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break;
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case USB_DT_INTERFACE:
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ptr = &config_data.interface_descriptor;
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size = sizeof config_data.interface_descriptor;
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break;
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case USB_DT_ENDPOINT:
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if (index <= NUM_ENDPOINTS) {
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ptr = &ep_descriptors[index];
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size = sizeof ep_descriptors[index];
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}
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else {
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logf("bad endpoint %d", index);
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usb_drv_stall(EP_CONTROL, true);
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}
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break;
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case USB_DT_DEVICE_QUALIFIER:
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ptr = &qualifier_descriptor;
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size = sizeof qualifier_descriptor;
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break;
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/*
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case USB_DT_OTHER_SPEED_CONFIG:
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ptr = &other_speed_descriptor;
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size = sizeof other_speed_descriptor;
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break;
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*/
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default:
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logf("bad desc %d", req->wValue >> 8);
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usb_drv_stall(EP_CONTROL, true);
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break;
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}
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if (ptr) {
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length = MIN(size, length);
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usb_drv_send(EP_CONTROL, (void*)UNCACHED_ADDR(ptr), length);
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}
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ack_control(req);
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break;
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} /* USB_REQ_GET_DESCRIPTOR */
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default:
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#ifdef USB_STORAGE
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/* does usb_storage know this request? */
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if (!usb_storage_control_request(req))
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#endif
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{
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/* nope. flag error */
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logf("usb bad req %d", req->bRequest);
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usb_drv_stall(EP_CONTROL, true);
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ack_control(req);
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}
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break;
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}
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}
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/* called by usb_drv_int() */
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void usb_core_bus_reset(void)
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{
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usb_address = 0;
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data_connection = false;
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}
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/* called by usb_drv_transfer_completed() */
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void usb_core_transfer_complete(int endpoint, bool in)
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{
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#ifdef USB_CHARGING_ONLY
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(void)in;
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#endif
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switch (endpoint) {
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case EP_CONTROL:
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/* already handled */
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break;
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case EP_RX:
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case EP_TX:
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#if defined(USB_BENCHMARK)
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usb_benchmark_transfer_complete(endpoint, in);
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#elif defined(USB_STORAGE)
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queue_post(&usbcore_queue, endpoint);
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#endif
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break;
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default:
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break;
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}
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}
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static void ack_control(struct usb_ctrlrequest* req)
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{
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if (req->bRequestType & 0x80)
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usb_drv_recv(EP_CONTROL, NULL, 0);
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else
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usb_drv_send(EP_CONTROL, NULL, 0);
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}
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