mirror of
https://source.denx.de/u-boot/u-boot.git
synced 2026-06-13 15:03:58 +03:00
* Modify KUP4X board configuration to use SL811 driver for USB memory
sticks (including FAT / VFAT filesystem support)
* Add SL811 Host Controller Interface driver for USB
* Add CFG_I2C_EEPROM_ADDR_OVERFLOW desription to README
* Patch by Pantelis Antoniou, 19 Apr 2004:
Allow to use shell style syntax (i. e. ${var} ) with standard parser.
Minor patches for Intracom boards.
* Patch by Christian Pell, 19 Apr 2004:
cleanup support for CF/IDE on PCMCIA for PXA25X
This commit is contained in:
wdenk
@@ -40,7 +40,7 @@ OBJS = 3c589.o 5701rls.o ali512x.o \
|
||||
rtl8019.o rtl8139.o rtl8169.o \
|
||||
s3c24x0_i2c.o sed13806.o sed156x.o \
|
||||
serial.o serial_max3100.o serial_pl010.o serial_pl011.o \
|
||||
serial_xuartlite.o \
|
||||
serial_xuartlite.o sl811_usb.o \
|
||||
smc91111.o smiLynxEM.o status_led.o sym53c8xx.o \
|
||||
ti_pci1410a.o tigon3.o w83c553f.o omap1510_i2c.o \
|
||||
usbdcore.o usbdcore_ep0.o usbdcore_omap1510.o usbtty.o \
|
||||
|
||||
104
drivers/sl811.h
Normal file
104
drivers/sl811.h
Normal file
@@ -0,0 +1,104 @@
|
||||
#ifndef __UBOOT_SL811_H
|
||||
#define __UBOOT_SL811_H
|
||||
|
||||
#undef SL811_DEBUG
|
||||
|
||||
#ifdef SL811_DEBUG
|
||||
#define PDEBUG(level, fmt, args...) \
|
||||
if (debug >= (level)) printf("[%s:%d] " fmt, \
|
||||
__PRETTY_FUNCTION__, __LINE__ , ## args)
|
||||
#else
|
||||
#define PDEBUG(level, fmt, args...) do {} while(0)
|
||||
#endif
|
||||
|
||||
/* Sl811 host control register */
|
||||
#define SL811_CTRL_A 0x00
|
||||
#define SL811_ADDR_A 0x01
|
||||
#define SL811_LEN_A 0x02
|
||||
#define SL811_STS_A 0x03 /* read */
|
||||
#define SL811_PIDEP_A 0x03 /* write */
|
||||
#define SL811_CNT_A 0x04 /* read */
|
||||
#define SL811_DEV_A 0x04 /* write */
|
||||
#define SL811_CTRL1 0x05
|
||||
#define SL811_INTR 0x06
|
||||
#define SL811_CTRL_B 0x08
|
||||
#define SL811_ADDR_B 0x09
|
||||
#define SL811_LEN_B 0x0A
|
||||
#define SL811_STS_B 0x0B /* read */
|
||||
#define SL811_PIDEP_B 0x0B /* write */
|
||||
#define SL811_CNT_B 0x0C /* read */
|
||||
#define SL811_DEV_B 0x0C /* write */
|
||||
#define SL811_INTRSTS 0x0D /* write clears bitwise */
|
||||
#define SL811_HWREV 0x0E /* read */
|
||||
#define SL811_SOFLOW 0x0E /* write */
|
||||
#define SL811_SOFCNTDIV 0x0F /* read */
|
||||
#define SL811_CTRL2 0x0F /* write */
|
||||
|
||||
/* USB control register bits (addr 0x00 and addr 0x08) */
|
||||
#define SL811_USB_CTRL_ARM 0x01
|
||||
#define SL811_USB_CTRL_ENABLE 0x02
|
||||
#define SL811_USB_CTRL_DIR_OUT 0x04
|
||||
#define SL811_USB_CTRL_ISO 0x10
|
||||
#define SL811_USB_CTRL_SOF 0x20
|
||||
#define SL811_USB_CTRL_TOGGLE_1 0x40
|
||||
#define SL811_USB_CTRL_PREAMBLE 0x80
|
||||
|
||||
/* USB status register bits (addr 0x03 and addr 0x0B) */
|
||||
#define SL811_USB_STS_ACK 0x01
|
||||
#define SL811_USB_STS_ERROR 0x02
|
||||
#define SL811_USB_STS_TIMEOUT 0x04
|
||||
#define SL811_USB_STS_TOGGLE_1 0x08
|
||||
#define SL811_USB_STS_SETUP 0x10
|
||||
#define SL811_USB_STS_OVERFLOW 0x20
|
||||
#define SL811_USB_STS_NAK 0x40
|
||||
#define SL811_USB_STS_STALL 0x80
|
||||
|
||||
/* Control register 1 bits (addr 0x05) */
|
||||
#define SL811_CTRL1_SOF 0x01
|
||||
#define SL811_CTRL1_RESET 0x08
|
||||
#define SL811_CTRL1_JKSTATE 0x10
|
||||
#define SL811_CTRL1_SPEED_LOW 0x20
|
||||
#define SL811_CTRL1_SUSPEND 0x40
|
||||
|
||||
/* Interrut enable (addr 0x06) and interrupt status register bits (addr 0x0D) */
|
||||
#define SL811_INTR_DONE_A 0x01
|
||||
#define SL811_INTR_DONE_B 0x02
|
||||
#define SL811_INTR_SOF 0x10
|
||||
#define SL811_INTR_INSRMV 0x20
|
||||
#define SL811_INTR_DETECT 0x40
|
||||
#define SL811_INTR_NOTPRESENT 0x40
|
||||
#define SL811_INTR_SPEED_FULL 0x80 /* only in status reg */
|
||||
|
||||
/* HW rev and SOF lo register bits (addr 0x0E) */
|
||||
#define SL811_HWR_HWREV 0xF0
|
||||
|
||||
/* SOF counter and control reg 2 (addr 0x0F) */
|
||||
#define SL811_CTL2_SOFHI 0x3F
|
||||
#define SL811_CTL2_DSWAP 0x40
|
||||
#define SL811_CTL2_HOST 0x80
|
||||
|
||||
/* Set up for 1-ms SOF time. */
|
||||
#define SL811_12M_LOW 0xE0
|
||||
#define SL811_12M_HI 0x2E
|
||||
|
||||
#define SL811_DATA_START 0x10
|
||||
#define SL811_DATA_LIMIT 240
|
||||
|
||||
/* Requests: bRequest << 8 | bmRequestType */
|
||||
#define RH_GET_STATUS 0x0080
|
||||
#define RH_CLEAR_FEATURE 0x0100
|
||||
#define RH_SET_FEATURE 0x0300
|
||||
#define RH_SET_ADDRESS 0x0500
|
||||
#define RH_GET_DESCRIPTOR 0x0680
|
||||
#define RH_SET_DESCRIPTOR 0x0700
|
||||
#define RH_GET_CONFIGURATION 0x0880
|
||||
#define RH_SET_CONFIGURATION 0x0900
|
||||
#define RH_GET_STATE 0x0280
|
||||
#define RH_GET_INTERFACE 0x0A80
|
||||
#define RH_SET_INTERFACE 0x0B00
|
||||
#define RH_SYNC_FRAME 0x0C80
|
||||
|
||||
|
||||
#define PIDEP(pid, ep) (((pid) & 0x0f) << 4 | (ep))
|
||||
|
||||
#endif /* __UBOOT_SL811_H */
|
||||
705
drivers/sl811_usb.c
Normal file
705
drivers/sl811_usb.c
Normal file
@@ -0,0 +1,705 @@
|
||||
/*
|
||||
* (C) Copyright 2004
|
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
*
|
||||
* This code is based on linux driver for sl811hs chip, source at
|
||||
* drivers/usb/host/sl811.c:
|
||||
*
|
||||
* SL811 Host Controller Interface driver for USB.
|
||||
*
|
||||
* Copyright (c) 2003/06, Courage Co., Ltd.
|
||||
*
|
||||
* Based on:
|
||||
* 1.uhci.c by Linus Torvalds, Johannes Erdfelt, Randy Dunlap,
|
||||
* Georg Acher, Deti Fliegl, Thomas Sailer, Roman Weissgaerber,
|
||||
* Adam Richter, Gregory P. Smith;
|
||||
* 2.Original SL811 driver (hc_sl811.o) by Pei Liu <pbl@cypress.com>
|
||||
* 3.Rewrited as sl811.o by Yin Aihua <yinah:couragetech.com.cn>
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* 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 program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#ifdef CONFIG_USB_SL811HS
|
||||
#include <mpc8xx.h>
|
||||
#include <usb.h>
|
||||
#include "sl811.h"
|
||||
|
||||
#include "../board/kup/common/kup.h"
|
||||
|
||||
#ifdef __PPC__
|
||||
# define EIEIO __asm__ volatile ("eieio")
|
||||
#else
|
||||
# define EIEIO /* nothing */
|
||||
#endif
|
||||
|
||||
#define SL811_ADR (0x50000000)
|
||||
#define SL811_DAT (0x50000001)
|
||||
|
||||
#define mdelay(n) ({unsigned long msec=(n); while (msec--) udelay(1000);})
|
||||
|
||||
#ifdef SL811_DEBUG
|
||||
static int debug = 9;
|
||||
#endif
|
||||
|
||||
static int root_hub_devnum = 0;
|
||||
static struct usb_port_status rh_status = { 0 };/* root hub port status */
|
||||
|
||||
static int sl811_rh_submit_urb(struct usb_device *usb_dev, unsigned long pipe,
|
||||
void *data, int buf_len, struct devrequest *cmd);
|
||||
|
||||
static void sl811_write (__u8 index, __u8 data)
|
||||
{
|
||||
*(volatile unsigned char *) (SL811_ADR) = index;
|
||||
EIEIO;
|
||||
*(volatile unsigned char *) (SL811_DAT) = data;
|
||||
EIEIO;
|
||||
}
|
||||
|
||||
static __u8 sl811_read (__u8 index)
|
||||
{
|
||||
__u8 data;
|
||||
|
||||
*(volatile unsigned char *) (SL811_ADR) = index;
|
||||
EIEIO;
|
||||
data = *(volatile unsigned char *) (SL811_DAT);
|
||||
EIEIO;
|
||||
return (data);
|
||||
}
|
||||
|
||||
/*
|
||||
* Read consecutive bytes of data from the SL811H/SL11H buffer
|
||||
*/
|
||||
static void inline sl811_read_buf(__u8 offset, __u8 *buf, __u8 size)
|
||||
{
|
||||
*(volatile unsigned char *) (SL811_ADR) = offset;
|
||||
EIEIO;
|
||||
while (size--) {
|
||||
*buf++ = *(volatile unsigned char *) (SL811_DAT);
|
||||
EIEIO;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Write consecutive bytes of data to the SL811H/SL11H buffer
|
||||
*/
|
||||
static void inline sl811_write_buf(__u8 offset, __u8 *buf, __u8 size)
|
||||
{
|
||||
*(volatile unsigned char *) (SL811_ADR) = offset;
|
||||
EIEIO;
|
||||
while (size--) {
|
||||
*(volatile unsigned char *) (SL811_DAT) = *buf++;
|
||||
EIEIO;
|
||||
}
|
||||
}
|
||||
|
||||
int usb_init_kup4x (void)
|
||||
{
|
||||
volatile immap_t *immap = (immap_t *) CFG_IMMR;
|
||||
volatile memctl8xx_t *memctl = &immap->im_memctl;
|
||||
int i;
|
||||
unsigned char tmp;
|
||||
|
||||
memctl = &immap->im_memctl;
|
||||
memctl->memc_or7 = 0xFFFF8726;
|
||||
memctl->memc_br7 = 0x50000401; /* start at 0x50000000 */
|
||||
/* BP 14 low = USB ON */
|
||||
immap->im_cpm.cp_pbdat &= ~(BP_USB_VCC);
|
||||
/* PB 14 nomal port */
|
||||
immap->im_cpm.cp_pbpar &= ~(BP_USB_VCC);
|
||||
/* output */
|
||||
immap->im_cpm.cp_pbdir |= (BP_USB_VCC);
|
||||
|
||||
puts ("USB: ");
|
||||
|
||||
for (i = 0x10; i < 0xff; i++) {
|
||||
sl811_write(i, i);
|
||||
tmp = (sl811_read(i));
|
||||
if (tmp != i) {
|
||||
printf ("SL811 compare error index=0x%02x read=0x%02x\n", i, tmp);
|
||||
return (-1);
|
||||
}
|
||||
}
|
||||
printf ("SL811 ready\n");
|
||||
return (0);
|
||||
}
|
||||
|
||||
/*
|
||||
* This function resets SL811HS controller and detects the speed of
|
||||
* the connecting device
|
||||
*
|
||||
* Return: 0 = no device attached; 1 = USB device attached
|
||||
*/
|
||||
static int sl811_hc_reset(void)
|
||||
{
|
||||
int status ;
|
||||
|
||||
sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_12M_HI);
|
||||
sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
|
||||
|
||||
mdelay(20);
|
||||
|
||||
/* Disable hardware SOF generation, clear all irq status. */
|
||||
sl811_write(SL811_CTRL1, 0);
|
||||
mdelay(2);
|
||||
sl811_write(SL811_INTRSTS, 0xff);
|
||||
status = sl811_read(SL811_INTRSTS);
|
||||
|
||||
if (status & SL811_INTR_NOTPRESENT) {
|
||||
/* Device is not present */
|
||||
PDEBUG(0, "Device not present\n");
|
||||
rh_status.wPortStatus &= ~(USB_PORT_STAT_CONNECTION | USB_PORT_STAT_ENABLE);
|
||||
rh_status.wPortChange |= USB_PORT_STAT_C_CONNECTION;
|
||||
sl811_write(SL811_INTR, SL811_INTR_INSRMV);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Send SOF to address 0, endpoint 0. */
|
||||
sl811_write(SL811_LEN_B, 0);
|
||||
sl811_write(SL811_PIDEP_B, PIDEP(USB_PID_SOF, 0));
|
||||
sl811_write(SL811_DEV_B, 0x00);
|
||||
sl811_write(SL811_SOFLOW, SL811_12M_LOW);
|
||||
|
||||
if (status & SL811_INTR_SPEED_FULL) {
|
||||
/* full speed device connect directly to root hub */
|
||||
PDEBUG (0, "Full speed Device attached\n");
|
||||
|
||||
sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
|
||||
mdelay(20);
|
||||
sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_12M_HI);
|
||||
sl811_write(SL811_CTRL1, SL811_CTRL1_SOF);
|
||||
|
||||
/* start the SOF or EOP */
|
||||
sl811_write(SL811_CTRL_B, SL811_USB_CTRL_ARM);
|
||||
rh_status.wPortStatus |= USB_PORT_STAT_CONNECTION;
|
||||
rh_status.wPortStatus &= ~USB_PORT_STAT_LOW_SPEED;
|
||||
mdelay(2);
|
||||
sl811_write(SL811_INTRSTS, 0xff);
|
||||
} else {
|
||||
/* slow speed device connect directly to root-hub */
|
||||
PDEBUG(0, "Low speed Device attached\n");
|
||||
|
||||
sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
|
||||
mdelay(20);
|
||||
sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_CTL2_DSWAP | SL811_12M_HI);
|
||||
sl811_write(SL811_CTRL1, SL811_CTRL1_SPEED_LOW | SL811_CTRL1_SOF);
|
||||
|
||||
/* start the SOF or EOP */
|
||||
sl811_write(SL811_CTRL_B, SL811_USB_CTRL_ARM);
|
||||
rh_status.wPortStatus |= USB_PORT_STAT_CONNECTION | USB_PORT_STAT_LOW_SPEED;
|
||||
mdelay(2);
|
||||
sl811_write(SL811_INTRSTS, 0xff);
|
||||
}
|
||||
|
||||
rh_status.wPortChange |= USB_PORT_STAT_C_CONNECTION;
|
||||
sl811_write(SL811_INTR, /*SL811_INTR_INSRMV*/SL811_INTR_DONE_A);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
int usb_lowlevel_init(void)
|
||||
{
|
||||
root_hub_devnum = 0;
|
||||
sl811_hc_reset();
|
||||
return 0;
|
||||
}
|
||||
|
||||
int usb_lowlevel_stop(void)
|
||||
{
|
||||
sl811_hc_reset();
|
||||
return 0;
|
||||
}
|
||||
|
||||
int sl811_send_packet(int dir_to_host, int data1, __u8 *buffer, int len)
|
||||
{
|
||||
__u8 ctrl = SL811_USB_CTRL_ARM | SL811_USB_CTRL_ENABLE;
|
||||
__u16 status;
|
||||
int err = 0;
|
||||
|
||||
if (len > 239)
|
||||
return -1;
|
||||
|
||||
if (!dir_to_host)
|
||||
ctrl |= SL811_USB_CTRL_DIR_OUT;
|
||||
if (data1)
|
||||
ctrl |= SL811_USB_CTRL_TOGGLE_1;
|
||||
|
||||
sl811_write(SL811_ADDR_A, 0x10);
|
||||
sl811_write(SL811_LEN_A, len);
|
||||
if (!dir_to_host && len)
|
||||
sl811_write_buf(0x10, buffer, len);
|
||||
|
||||
while (err < 3) {
|
||||
if (sl811_read(SL811_SOFCNTDIV)*64 < len * 8 * 2)
|
||||
ctrl |= SL811_USB_CTRL_SOF;
|
||||
else
|
||||
ctrl &= ~SL811_USB_CTRL_SOF;
|
||||
sl811_write(SL811_CTRL_A, ctrl);
|
||||
while (!(sl811_read(SL811_INTRSTS) & SL811_INTR_DONE_A))
|
||||
; /* do nothing */
|
||||
|
||||
sl811_write(SL811_INTRSTS, 0xff);
|
||||
status = sl811_read(SL811_STS_A);
|
||||
|
||||
if (status & SL811_USB_STS_ACK) {
|
||||
int remainder = sl811_read(SL811_CNT_A);
|
||||
if (remainder) {
|
||||
PDEBUG(0, "usb transfer remainder = %d\n", remainder);
|
||||
len -= remainder;
|
||||
}
|
||||
if (dir_to_host && len)
|
||||
sl811_read_buf(0x10, buffer, len);
|
||||
return len;
|
||||
}
|
||||
|
||||
if ((status & SL811_USB_STS_NAK) == SL811_USB_STS_NAK)
|
||||
continue;
|
||||
|
||||
PDEBUG(0, "usb transfer error %#x\n", (int)status);
|
||||
err++;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
|
||||
int len)
|
||||
{
|
||||
int dir_out = usb_pipeout(pipe);
|
||||
int ep = usb_pipeendpoint(pipe);
|
||||
__u8* buf = (__u8*)buffer;
|
||||
int max = usb_maxpacket(dev, pipe);
|
||||
int done = 0;
|
||||
|
||||
PDEBUG(7, "dev = %ld pipe = %ld buf = %p size = %d dir_out = %d\n",
|
||||
usb_pipedevice(pipe), usb_pipeendpoint(pipe), buffer, len, dir_out);
|
||||
|
||||
dev->status = 0;
|
||||
|
||||
sl811_write(SL811_DEV_A, usb_pipedevice(pipe));
|
||||
sl811_write(SL811_PIDEP_A, PIDEP(!dir_out ? USB_PID_IN : USB_PID_OUT, ep));
|
||||
while (done < len) {
|
||||
int res = sl811_send_packet(!dir_out, usb_gettoggle(dev, ep, dir_out),
|
||||
buf+done,
|
||||
max > len - done ? len - done : max);
|
||||
if (res < 0) {
|
||||
dev->status = res;
|
||||
return res;
|
||||
}
|
||||
|
||||
if (!dir_out && res < max) /* short packet */
|
||||
break;
|
||||
|
||||
done += res;
|
||||
usb_dotoggle(dev, ep, dir_out);
|
||||
}
|
||||
|
||||
dev->act_len = done;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
|
||||
int len,struct devrequest *setup)
|
||||
{
|
||||
int done = 0;
|
||||
int devnum = usb_pipedevice(pipe);
|
||||
|
||||
dev->status = 0;
|
||||
|
||||
if (devnum == root_hub_devnum)
|
||||
return sl811_rh_submit_urb(dev, pipe, buffer, len, setup);
|
||||
|
||||
PDEBUG(7, "dev = %d pipe = %ld buf = %p size = %d rt = %#x req = %#x\n",
|
||||
devnum, usb_pipeendpoint(pipe), buffer, len, (int)setup->requesttype,
|
||||
(int)setup->request);
|
||||
|
||||
sl811_write(SL811_DEV_A, devnum);
|
||||
sl811_write(SL811_PIDEP_A, PIDEP(USB_PID_SETUP, 0));
|
||||
/* setup phase */
|
||||
if (sl811_send_packet(0, 0, (__u8*)setup, sizeof(*setup)) == sizeof(*setup)) {
|
||||
int dir_in = setup->requesttype & USB_DIR_IN;
|
||||
__u8* buf = (__u8*)buffer;
|
||||
int data1 = 1;
|
||||
int max = usb_maxpacket(dev, pipe);
|
||||
|
||||
/* data phase */
|
||||
sl811_write(SL811_PIDEP_A,
|
||||
PIDEP(dir_in ? USB_PID_IN : USB_PID_OUT, 0));
|
||||
while (done < len) {
|
||||
int res = sl811_send_packet(dir_in, data1, buf+done,
|
||||
max > len - done ? len - done : max);
|
||||
if (res < 0)
|
||||
return res;
|
||||
done += res;
|
||||
|
||||
if (dir_in && res < max) /* short packet */
|
||||
break;
|
||||
|
||||
data1 = !data1;
|
||||
}
|
||||
|
||||
/* status phase */
|
||||
sl811_write(SL811_PIDEP_A,
|
||||
PIDEP(!dir_in ? USB_PID_IN : USB_PID_OUT, 0));
|
||||
if (sl811_send_packet(!dir_in, 1, 0, 0) < 0) {
|
||||
PDEBUG(0, "status phase failed!\n");
|
||||
dev->status = -1;
|
||||
}
|
||||
} else {
|
||||
PDEBUG(0, "setup phase failed!\n");
|
||||
dev->status = -1;
|
||||
}
|
||||
|
||||
dev->act_len = done;
|
||||
|
||||
return done;
|
||||
}
|
||||
|
||||
int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
|
||||
int len, int interval)
|
||||
{
|
||||
PDEBUG(7, "dev = %p pipe = %#lx buf = %p size = %d int = %d\n", dev, pipe,
|
||||
buffer, len, interval);
|
||||
return -1;
|
||||
}
|
||||
|
||||
/*
|
||||
* SL811 Virtual Root Hub
|
||||
*/
|
||||
|
||||
/* Device descriptor */
|
||||
static __u8 sl811_rh_dev_des[] =
|
||||
{
|
||||
0x12, /* __u8 bLength; */
|
||||
0x01, /* __u8 bDescriptorType; Device */
|
||||
0x10, /* __u16 bcdUSB; v1.1 */
|
||||
0x01,
|
||||
0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */
|
||||
0x00, /* __u8 bDeviceSubClass; */
|
||||
0x00, /* __u8 bDeviceProtocol; */
|
||||
0x08, /* __u8 bMaxPacketSize0; 8 Bytes */
|
||||
0x00, /* __u16 idVendor; */
|
||||
0x00,
|
||||
0x00, /* __u16 idProduct; */
|
||||
0x00,
|
||||
0x00, /* __u16 bcdDevice; */
|
||||
0x00,
|
||||
0x00, /* __u8 iManufacturer; */
|
||||
0x02, /* __u8 iProduct; */
|
||||
0x01, /* __u8 iSerialNumber; */
|
||||
0x01 /* __u8 bNumConfigurations; */
|
||||
};
|
||||
|
||||
/* Configuration descriptor */
|
||||
static __u8 sl811_rh_config_des[] =
|
||||
{
|
||||
0x09, /* __u8 bLength; */
|
||||
0x02, /* __u8 bDescriptorType; Configuration */
|
||||
0x19, /* __u16 wTotalLength; */
|
||||
0x00,
|
||||
0x01, /* __u8 bNumInterfaces; */
|
||||
0x01, /* __u8 bConfigurationValue; */
|
||||
0x00, /* __u8 iConfiguration; */
|
||||
0x40, /* __u8 bmAttributes;
|
||||
Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup,
|
||||
4..0: resvd */
|
||||
0x00, /* __u8 MaxPower; */
|
||||
|
||||
/* interface */
|
||||
0x09, /* __u8 if_bLength; */
|
||||
0x04, /* __u8 if_bDescriptorType; Interface */
|
||||
0x00, /* __u8 if_bInterfaceNumber; */
|
||||
0x00, /* __u8 if_bAlternateSetting; */
|
||||
0x01, /* __u8 if_bNumEndpoints; */
|
||||
0x09, /* __u8 if_bInterfaceClass; HUB_CLASSCODE */
|
||||
0x00, /* __u8 if_bInterfaceSubClass; */
|
||||
0x00, /* __u8 if_bInterfaceProtocol; */
|
||||
0x00, /* __u8 if_iInterface; */
|
||||
|
||||
/* endpoint */
|
||||
0x07, /* __u8 ep_bLength; */
|
||||
0x05, /* __u8 ep_bDescriptorType; Endpoint */
|
||||
0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */
|
||||
0x03, /* __u8 ep_bmAttributes; Interrupt */
|
||||
0x08, /* __u16 ep_wMaxPacketSize; */
|
||||
0x00,
|
||||
0xff /* __u8 ep_bInterval; 255 ms */
|
||||
};
|
||||
|
||||
/* root hub class descriptor*/
|
||||
static __u8 sl811_rh_hub_des[] =
|
||||
{
|
||||
0x09, /* __u8 bLength; */
|
||||
0x29, /* __u8 bDescriptorType; Hub-descriptor */
|
||||
0x01, /* __u8 bNbrPorts; */
|
||||
0x00, /* __u16 wHubCharacteristics; */
|
||||
0x00,
|
||||
0x50, /* __u8 bPwrOn2pwrGood; 2ms */
|
||||
0x00, /* __u8 bHubContrCurrent; 0 mA */
|
||||
0xfc, /* __u8 DeviceRemovable; *** 7 Ports max *** */
|
||||
0xff /* __u8 PortPwrCtrlMask; *** 7 ports max *** */
|
||||
};
|
||||
|
||||
/*
|
||||
* helper routine for returning string descriptors in UTF-16LE
|
||||
* input can actually be ISO-8859-1; ASCII is its 7-bit subset
|
||||
*/
|
||||
static int ascii2utf (char *s, u8 *utf, int utfmax)
|
||||
{
|
||||
int retval;
|
||||
|
||||
for (retval = 0; *s && utfmax > 1; utfmax -= 2, retval += 2) {
|
||||
*utf++ = *s++;
|
||||
*utf++ = 0;
|
||||
}
|
||||
return retval;
|
||||
}
|
||||
|
||||
/*
|
||||
* root_hub_string is used by each host controller's root hub code,
|
||||
* so that they're identified consistently throughout the system.
|
||||
*/
|
||||
int usb_root_hub_string (int id, int serial, char *type, __u8 *data, int len)
|
||||
{
|
||||
char buf [30];
|
||||
|
||||
/* assert (len > (2 * (sizeof (buf) + 1)));
|
||||
assert (strlen (type) <= 8);*/
|
||||
|
||||
/* language ids */
|
||||
if (id == 0) {
|
||||
*data++ = 4; *data++ = 3; /* 4 bytes data */
|
||||
*data++ = 0; *data++ = 0; /* some language id */
|
||||
return 4;
|
||||
|
||||
/* serial number */
|
||||
} else if (id == 1) {
|
||||
sprintf (buf, "%x", serial);
|
||||
|
||||
/* product description */
|
||||
} else if (id == 2) {
|
||||
sprintf (buf, "USB %s Root Hub", type);
|
||||
|
||||
/* id 3 == vendor description */
|
||||
|
||||
/* unsupported IDs --> "stall" */
|
||||
} else
|
||||
return 0;
|
||||
|
||||
data [0] = 2 + ascii2utf (buf, data + 2, len - 2);
|
||||
data [1] = 3;
|
||||
return data [0];
|
||||
}
|
||||
|
||||
/* helper macro */
|
||||
#define OK(x) len = (x); break
|
||||
|
||||
/*
|
||||
* This function handles all USB request to the the virtual root hub
|
||||
*/
|
||||
static int sl811_rh_submit_urb(struct usb_device *usb_dev, unsigned long pipe,
|
||||
void *data, int buf_len, struct devrequest *cmd)
|
||||
{
|
||||
__u8 data_buf[16];
|
||||
__u8 *bufp = data_buf;
|
||||
int len = 0;
|
||||
int status = 0;
|
||||
|
||||
__u16 bmRType_bReq;
|
||||
__u16 wValue;
|
||||
__u16 wIndex;
|
||||
__u16 wLength;
|
||||
|
||||
if (usb_pipeint(pipe)) {
|
||||
PDEBUG(0, "interrupt transfer unimplemented!\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
bmRType_bReq = cmd->requesttype | (cmd->request << 8);
|
||||
wValue = le16_to_cpu (cmd->value);
|
||||
wIndex = le16_to_cpu (cmd->index);
|
||||
wLength = le16_to_cpu (cmd->length);
|
||||
|
||||
PDEBUG(5, "submit rh urb, req = %d(%x) val = %#x index = %#x len=%d\n",
|
||||
bmRType_bReq, bmRType_bReq, wValue, wIndex, wLength);
|
||||
|
||||
/* Request Destination:
|
||||
without flags: Device,
|
||||
USB_RECIP_INTERFACE: interface,
|
||||
USB_RECIP_ENDPOINT: endpoint,
|
||||
USB_TYPE_CLASS means HUB here,
|
||||
USB_RECIP_OTHER | USB_TYPE_CLASS almost ever means HUB_PORT here
|
||||
*/
|
||||
switch (bmRType_bReq) {
|
||||
case RH_GET_STATUS:
|
||||
*(__u16 *)bufp = cpu_to_le16(1);
|
||||
OK(2);
|
||||
|
||||
case RH_GET_STATUS | USB_RECIP_INTERFACE:
|
||||
*(__u16 *)bufp = cpu_to_le16(0);
|
||||
OK(2);
|
||||
|
||||
case RH_GET_STATUS | USB_RECIP_ENDPOINT:
|
||||
*(__u16 *)bufp = cpu_to_le16(0);
|
||||
OK(2);
|
||||
|
||||
case RH_GET_STATUS | USB_TYPE_CLASS:
|
||||
*(__u32 *)bufp = cpu_to_le32(0);
|
||||
OK(4);
|
||||
|
||||
case RH_GET_STATUS | USB_RECIP_OTHER | USB_TYPE_CLASS:
|
||||
*(__u32 *)bufp = cpu_to_le32(rh_status.wPortChange<<16 | rh_status.wPortStatus);
|
||||
OK(4);
|
||||
|
||||
case RH_CLEAR_FEATURE | USB_RECIP_ENDPOINT:
|
||||
switch (wValue) {
|
||||
case 1:
|
||||
OK(0);
|
||||
}
|
||||
break;
|
||||
|
||||
case RH_CLEAR_FEATURE | USB_TYPE_CLASS:
|
||||
switch (wValue) {
|
||||
case C_HUB_LOCAL_POWER:
|
||||
OK(0);
|
||||
|
||||
case C_HUB_OVER_CURRENT:
|
||||
OK(0);
|
||||
}
|
||||
break;
|
||||
|
||||
case RH_CLEAR_FEATURE | USB_RECIP_OTHER | USB_TYPE_CLASS:
|
||||
switch (wValue) {
|
||||
case USB_PORT_FEAT_ENABLE:
|
||||
rh_status.wPortStatus &= ~USB_PORT_STAT_ENABLE;
|
||||
OK(0);
|
||||
|
||||
case USB_PORT_FEAT_SUSPEND:
|
||||
rh_status.wPortStatus &= ~USB_PORT_STAT_SUSPEND;
|
||||
OK(0);
|
||||
|
||||
case USB_PORT_FEAT_POWER:
|
||||
rh_status.wPortStatus &= ~USB_PORT_STAT_POWER;
|
||||
OK(0);
|
||||
|
||||
case USB_PORT_FEAT_C_CONNECTION:
|
||||
rh_status.wPortChange &= ~USB_PORT_STAT_C_CONNECTION;
|
||||
OK(0);
|
||||
|
||||
case USB_PORT_FEAT_C_ENABLE:
|
||||
rh_status.wPortChange &= ~USB_PORT_STAT_C_ENABLE;
|
||||
OK(0);
|
||||
|
||||
case USB_PORT_FEAT_C_SUSPEND:
|
||||
rh_status.wPortChange &= ~USB_PORT_STAT_C_SUSPEND;
|
||||
OK(0);
|
||||
|
||||
case USB_PORT_FEAT_C_OVER_CURRENT:
|
||||
rh_status.wPortChange &= ~USB_PORT_STAT_C_OVERCURRENT;
|
||||
OK(0);
|
||||
|
||||
case USB_PORT_FEAT_C_RESET:
|
||||
rh_status.wPortChange &= ~USB_PORT_STAT_C_RESET;
|
||||
OK(0);
|
||||
}
|
||||
break;
|
||||
|
||||
case RH_SET_FEATURE | USB_RECIP_OTHER | USB_TYPE_CLASS:
|
||||
switch (wValue) {
|
||||
case USB_PORT_FEAT_SUSPEND:
|
||||
rh_status.wPortStatus |= USB_PORT_STAT_SUSPEND;
|
||||
OK(0);
|
||||
|
||||
case USB_PORT_FEAT_RESET:
|
||||
rh_status.wPortStatus |= USB_PORT_STAT_RESET;
|
||||
rh_status.wPortChange = 0;
|
||||
rh_status.wPortChange |= USB_PORT_STAT_C_RESET;
|
||||
rh_status.wPortStatus &= ~USB_PORT_STAT_RESET;
|
||||
rh_status.wPortStatus |= USB_PORT_STAT_ENABLE;
|
||||
OK(0);
|
||||
|
||||
case USB_PORT_FEAT_POWER:
|
||||
rh_status.wPortStatus |= USB_PORT_STAT_POWER;
|
||||
OK(0);
|
||||
|
||||
case USB_PORT_FEAT_ENABLE:
|
||||
rh_status.wPortStatus |= USB_PORT_STAT_ENABLE;
|
||||
OK(0);
|
||||
}
|
||||
break;
|
||||
|
||||
case RH_SET_ADDRESS:
|
||||
root_hub_devnum = wValue;
|
||||
OK(0);
|
||||
|
||||
case RH_GET_DESCRIPTOR:
|
||||
switch ((wValue & 0xff00) >> 8) {
|
||||
case USB_DT_DEVICE:
|
||||
len = sizeof(sl811_rh_dev_des);
|
||||
bufp = sl811_rh_dev_des;
|
||||
OK(len);
|
||||
|
||||
case USB_DT_CONFIG:
|
||||
len = sizeof(sl811_rh_config_des);
|
||||
bufp = sl811_rh_config_des;
|
||||
OK(len);
|
||||
|
||||
case USB_DT_STRING:
|
||||
len = usb_root_hub_string(wValue & 0xff, (int)(long)0, "SL811HS", data, wLength);
|
||||
if (len > 0) {
|
||||
bufp = data;
|
||||
OK(len);
|
||||
}
|
||||
|
||||
default:
|
||||
status = -32;
|
||||
}
|
||||
break;
|
||||
|
||||
case RH_GET_DESCRIPTOR | USB_TYPE_CLASS:
|
||||
len = sizeof(sl811_rh_hub_des);
|
||||
bufp = sl811_rh_hub_des;
|
||||
OK(len);
|
||||
|
||||
case RH_GET_CONFIGURATION:
|
||||
bufp[0] = 0x01;
|
||||
OK(1);
|
||||
|
||||
case RH_SET_CONFIGURATION:
|
||||
OK(0);
|
||||
|
||||
default:
|
||||
PDEBUG(1, "unsupported root hub command\n");
|
||||
status = -32;
|
||||
}
|
||||
|
||||
len = min(len, buf_len);
|
||||
if (data != bufp)
|
||||
memcpy(data, bufp, len);
|
||||
|
||||
PDEBUG(5, "len = %d, status = %d\n", len, status);
|
||||
|
||||
usb_dev->status = status;
|
||||
usb_dev->act_len = len;
|
||||
|
||||
return status == 0 ? len : status;
|
||||
}
|
||||
|
||||
#endif /* CONFIG_USB_SL811HS */
|
||||
Reference in New Issue
Block a user