Release 4.7 drivers/usb/host/r8a66597-hcd.c
/*
* R8A66597 HCD (Host Controller Driver)
*
* Copyright (C) 2006-2007 Renesas Solutions Corp.
* Portions Copyright (C) 2004 Psion Teklogix (for NetBook PRO)
* Portions Copyright (C) 2004-2005 David Brownell
* Portions Copyright (C) 1999 Roman Weissgaerber
*
* Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
*
* 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; version 2 of the License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/list.h>
#include <linux/interrupt.h>
#include <linux/usb.h>
#include <linux/usb/hcd.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/mm.h>
#include <linux/irq.h>
#include <linux/slab.h>
#include <asm/cacheflush.h>
#include "r8a66597.h"
MODULE_DESCRIPTION("R8A66597 USB Host Controller Driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Yoshihiro Shimoda");
MODULE_ALIAS("platform:r8a66597_hcd");
#define DRIVER_VERSION "2009-05-26"
static const char hcd_name[] = "r8a66597_hcd";
static void packet_write(struct r8a66597 *r8a66597, u16 pipenum);
static int r8a66597_get_frame(struct usb_hcd *hcd);
/* this function must be called with interrupt disabled */
static void enable_pipe_irq(struct r8a66597 *r8a66597, u16 pipenum,
unsigned long reg)
{
u16 tmp;
tmp = r8a66597_read(r8a66597, INTENB0);
r8a66597_bclr(r8a66597, BEMPE | NRDYE | BRDYE, INTENB0);
r8a66597_bset(r8a66597, 1 << pipenum, reg);
r8a66597_write(r8a66597, tmp, INTENB0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 63 | 100.00% | 1 | 100.00% |
| Total | 63 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static void disable_pipe_irq(struct r8a66597 *r8a66597, u16 pipenum,
unsigned long reg)
{
u16 tmp;
tmp = r8a66597_read(r8a66597, INTENB0);
r8a66597_bclr(r8a66597, BEMPE | NRDYE | BRDYE, INTENB0);
r8a66597_bclr(r8a66597, 1 << pipenum, reg);
r8a66597_write(r8a66597, tmp, INTENB0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 63 | 100.00% | 1 | 100.00% |
| Total | 63 | 100.00% | 1 | 100.00% |
static void set_devadd_reg(struct r8a66597 *r8a66597, u8 r8a66597_address,
u16 usbspd, u8 upphub, u8 hubport, int port)
{
u16 val;
unsigned long devadd_reg = get_devadd_addr(r8a66597_address);
val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001);
r8a66597_write(r8a66597, val, devadd_reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 73 | 100.00% | 1 | 100.00% |
| Total | 73 | 100.00% | 1 | 100.00% |
static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
{
u16 tmp;
int i = 0;
if (r8a66597->pdata->on_chip) {
clk_prepare_enable(r8a66597->clk);
do {
r8a66597_write(r8a66597, SCKE, SYSCFG0);
tmp = r8a66597_read(r8a66597, SYSCFG0);
if (i++ > 1000) {
printk(KERN_ERR "r8a66597: reg access fail.\n");
return -ENXIO;
}
} while ((tmp & SCKE) != SCKE);
r8a66597_write(r8a66597, 0x04, 0x02);
} else {
do {
r8a66597_write(r8a66597, USBE, SYSCFG0);
tmp = r8a66597_read(r8a66597, SYSCFG0);
if (i++ > 1000) {
printk(KERN_ERR "r8a66597: reg access fail.\n");
return -ENXIO;
}
} while ((tmp & USBE) != USBE);
r8a66597_bclr(r8a66597, USBE, SYSCFG0);
r8a66597_mdfy(r8a66597, get_xtal_from_pdata(r8a66597->pdata),
XTAL, SYSCFG0);
i = 0;
r8a66597_bset(r8a66597, XCKE, SYSCFG0);
do {
msleep(1);
tmp = r8a66597_read(r8a66597, SYSCFG0);
if (i++ > 500) {
printk(KERN_ERR "r8a66597: reg access fail.\n");
return -ENXIO;
}
} while ((tmp & SCKE) != SCKE);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 209 | 87.82% | 3 | 42.86% |
| magnus damm | magnus damm | 22 | 9.24% | 2 | 28.57% |
| greg kroah-hartman | greg kroah-hartman | 6 | 2.52% | 1 | 14.29% |
| laurent pinchart | laurent pinchart | 1 | 0.42% | 1 | 14.29% |
| Total | 238 | 100.00% | 7 | 100.00% |
static void r8a66597_clock_disable(struct r8a66597 *r8a66597)
{
r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
udelay(1);
if (r8a66597->pdata->on_chip) {
clk_disable_unprepare(r8a66597->clk);
} else {
r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
r8a66597_bclr(r8a66597, USBE, SYSCFG0);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 52 | 72.22% | 2 | 40.00% |
| magnus damm | magnus damm | 19 | 26.39% | 2 | 40.00% |
| laurent pinchart | laurent pinchart | 1 | 1.39% | 1 | 20.00% |
| Total | 72 | 100.00% | 5 | 100.00% |
static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
{
u16 val;
val = port ? DRPD : DCFM | DRPD;
r8a66597_bset(r8a66597, val, get_syscfg_reg(port));
r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_reg(port));
r8a66597_bclr(r8a66597, DTCHE, get_intenb_reg(port));
r8a66597_bset(r8a66597, ATTCHE, get_intenb_reg(port));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 89 | 100.00% | 2 | 100.00% |
| Total | 89 | 100.00% | 2 | 100.00% |
static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port)
{
u16 val, tmp;
r8a66597_write(r8a66597, 0, get_intenb_reg(port));
r8a66597_write(r8a66597, 0, get_intsts_reg(port));
r8a66597_port_power(r8a66597, port, 0);
do {
tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS;
udelay(640);
} while (tmp == EDGESTS);
val = port ? DRPD : DCFM | DRPD;
r8a66597_bclr(r8a66597, val, get_syscfg_reg(port));
r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 112 | 100.00% | 2 | 100.00% |
| Total | 112 | 100.00% | 2 | 100.00% |
static int enable_controller(struct r8a66597 *r8a66597)
{
int ret, port;
u16 vif = r8a66597->pdata->vif ? LDRV : 0;
u16 irq_sense = r8a66597->irq_sense_low ? INTL : 0;
u16 endian = r8a66597->pdata->endian ? BIGEND : 0;
ret = r8a66597_clock_enable(r8a66597);
if (ret < 0)
return ret;
r8a66597_bset(r8a66597, vif & LDRV, PINCFG);
r8a66597_bset(r8a66597, USBE, SYSCFG0);
r8a66597_bset(r8a66597, BEMPE | NRDYE | BRDYE, INTENB0);
r8a66597_bset(r8a66597, irq_sense & INTL, SOFCFG);
r8a66597_bset(r8a66597, BRDY0, BRDYENB);
r8a66597_bset(r8a66597, BEMP0, BEMPENB);
r8a66597_bset(r8a66597, endian & BIGEND, CFIFOSEL);
r8a66597_bset(r8a66597, endian & BIGEND, D0FIFOSEL);
r8a66597_bset(r8a66597, endian & BIGEND, D1FIFOSEL);
r8a66597_bset(r8a66597, TRNENSEL, SOFCFG);
r8a66597_bset(r8a66597, SIGNE | SACKE, INTENB1);
for (port = 0; port < r8a66597->max_root_hub; port++)
r8a66597_enable_port(r8a66597, port);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 206 | 98.56% | 3 | 75.00% |
| magnus damm | magnus damm | 3 | 1.44% | 1 | 25.00% |
| Total | 209 | 100.00% | 4 | 100.00% |
static void disable_controller(struct r8a66597 *r8a66597)
{
int port;
/* disable interrupts */
r8a66597_write(r8a66597, 0, INTENB0);
r8a66597_write(r8a66597, 0, INTENB1);
r8a66597_write(r8a66597, 0, BRDYENB);
r8a66597_write(r8a66597, 0, BEMPENB);
r8a66597_write(r8a66597, 0, NRDYENB);
/* clear status */
r8a66597_write(r8a66597, 0, BRDYSTS);
r8a66597_write(r8a66597, 0, NRDYSTS);
r8a66597_write(r8a66597, 0, BEMPSTS);
for (port = 0; port < r8a66597->max_root_hub; port++)
r8a66597_disable_port(r8a66597, port);
r8a66597_clock_disable(r8a66597);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| magnus damm | magnus damm | 60 | 52.17% | 2 | 50.00% |
| yoshihiro shimoda | yoshihiro shimoda | 55 | 47.83% | 2 | 50.00% |
| Total | 115 | 100.00% | 4 | 100.00% |
static int get_parent_r8a66597_address(struct r8a66597 *r8a66597,
struct usb_device *udev)
{
struct r8a66597_device *dev;
if (udev->parent && udev->parent->devnum != 1)
udev = udev->parent;
dev = dev_get_drvdata(&udev->dev);
if (dev)
return dev->address;
else
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 64 | 100.00% | 1 | 100.00% |
| Total | 64 | 100.00% | 1 | 100.00% |
static int is_child_device(char *devpath)
{
return (devpath[2] ? 1 : 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 22 | 100.00% | 1 | 100.00% |
| Total | 22 | 100.00% | 1 | 100.00% |
static int is_hub_limit(char *devpath)
{
return ((strlen(devpath) >= 4) ? 1 : 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
static void get_port_number(struct r8a66597 *r8a66597,
char *devpath, u16 *root_port, u16 *hub_port)
{
if (root_port) {
*root_port = (devpath[0] & 0x0F) - 1;
if (*root_port >= r8a66597->max_root_hub)
printk(KERN_ERR "r8a66597: Illegal root port number.\n");
}
if (hub_port)
*hub_port = devpath[2] & 0x0F;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 61 | 84.72% | 1 | 33.33% |
| magnus damm | magnus damm | 8 | 11.11% | 1 | 33.33% |
| greg kroah-hartman | greg kroah-hartman | 3 | 4.17% | 1 | 33.33% |
| Total | 72 | 100.00% | 3 | 100.00% |
static u16 get_r8a66597_usb_speed(enum usb_device_speed speed)
{
u16 usbspd = 0;
switch (speed) {
case USB_SPEED_LOW:
usbspd = LSMODE;
break;
case USB_SPEED_FULL:
usbspd = FSMODE;
break;
case USB_SPEED_HIGH:
usbspd = HSMODE;
break;
default:
printk(KERN_ERR "r8a66597: unknown speed\n");
break;
}
return usbspd;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 53 | 94.64% | 1 | 50.00% |
| greg kroah-hartman | greg kroah-hartman | 3 | 5.36% | 1 | 50.00% |
| Total | 56 | 100.00% | 2 | 100.00% |
static void set_child_connect_map(struct r8a66597 *r8a66597, int address)
{
int idx;
idx = address / 32;
r8a66597->child_connect_map[idx] |= 1 << (address % 32);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 38 | 100.00% | 1 | 100.00% |
| Total | 38 | 100.00% | 1 | 100.00% |
static void put_child_connect_map(struct r8a66597 *r8a66597, int address)
{
int idx;
idx = address / 32;
r8a66597->child_connect_map[idx] &= ~(1 << (address % 32));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 41 | 100.00% | 1 | 100.00% |
| Total | 41 | 100.00% | 1 | 100.00% |
static void set_pipe_reg_addr(struct r8a66597_pipe *pipe, u8 dma_ch)
{
u16 pipenum = pipe->info.pipenum;
const unsigned long fifoaddr[] = {D0FIFO, D1FIFO, CFIFO};
const unsigned long fifosel[] = {D0FIFOSEL, D1FIFOSEL, CFIFOSEL};
const unsigned long fifoctr[] = {D0FIFOCTR, D1FIFOCTR, CFIFOCTR};
if (dma_ch > R8A66597_PIPE_NO_DMA) /* dma fifo not use? */
dma_ch = R8A66597_PIPE_NO_DMA;
pipe->fifoaddr = fifoaddr[dma_ch];
pipe->fifosel = fifosel[dma_ch];
pipe->fifoctr = fifoctr[dma_ch];
if (pipenum == 0)
pipe->pipectr = DCPCTR;
else
pipe->pipectr = get_pipectr_addr(pipenum);
if (check_bulk_or_isoc(pipenum)) {
pipe->pipetre = get_pipetre_addr(pipenum);
pipe->pipetrn = get_pipetrn_addr(pipenum);
} else {
pipe->pipetre = 0;
pipe->pipetrn = 0;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 164 | 98.20% | 1 | 50.00% |
| lei ming | lei ming | 3 | 1.80% | 1 | 50.00% |
| Total | 167 | 100.00% | 2 | 100.00% |
static struct r8a66597_device *
get_urb_to_r8a66597_dev(struct r8a66597 *r8a66597, struct urb *urb)
{
if (usb_pipedevice(urb->pipe) == 0)
return &r8a66597->device0;
return dev_get_drvdata(&urb->dev->dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 46 | 100.00% | 1 | 100.00% |
| Total | 46 | 100.00% | 1 | 100.00% |
static int make_r8a66597_device(struct r8a66597 *r8a66597,
struct urb *urb, u8 addr)
{
struct r8a66597_device *dev;
int usb_address = urb->setup_packet[2]; /* urb->pipe is address 0 */
dev = kzalloc(sizeof(struct r8a66597_device), GFP_ATOMIC);
if (dev == NULL)
return -ENOMEM;
dev_set_drvdata(&urb->dev->dev, dev);
dev->udev = urb->dev;
dev->address = addr;
dev->usb_address = usb_address;
dev->state = USB_STATE_ADDRESS;
dev->ep_in_toggle = 0;
dev->ep_out_toggle = 0;
INIT_LIST_HEAD(&dev->device_list);
list_add_tail(&dev->device_list, &r8a66597->child_device);
get_port_number(r8a66597, urb->dev->devpath,
&dev->root_port, &dev->hub_port);
if (!is_child_device(urb->dev->devpath))
r8a66597->root_hub[dev->root_port].dev = dev;
set_devadd_reg(r8a66597, dev->address,
get_r8a66597_usb_speed(urb->dev->speed),
get_parent_r8a66597_address(r8a66597, urb->dev),
dev->hub_port, dev->root_port);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 211 | 99.06% | 2 | 66.67% |
| magnus damm | magnus damm | 2 | 0.94% | 1 | 33.33% |
| Total | 213 | 100.00% | 3 | 100.00% |
/* this function must be called with interrupt disabled */
static u8 alloc_usb_address(struct r8a66597 *r8a66597, struct urb *urb)
{
u8 addr; /* R8A66597's address */
struct r8a66597_device *dev;
if (is_hub_limit(urb->dev->devpath)) {
dev_err(&urb->dev->dev, "External hub limit reached.\n");
return 0;
}
dev = get_urb_to_r8a66597_dev(r8a66597, urb);
if (dev && dev->state >= USB_STATE_ADDRESS)
return dev->address;
for (addr = 1; addr <= R8A66597_MAX_DEVICE; addr++) {
if (r8a66597->address_map & (1 << addr))
continue;
dev_dbg(&urb->dev->dev, "alloc_address: r8a66597_addr=%d\n", addr);
r8a66597->address_map |= 1 << addr;
if (make_r8a66597_device(r8a66597, urb, addr) < 0)
return 0;
return addr;
}
dev_err(&urb->dev->dev,
"cannot communicate with a USB device more than 10.(%x)\n",
r8a66597->address_map);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 138 | 83.64% | 1 | 33.33% |
| greg kroah-hartman | greg kroah-hartman | 27 | 16.36% | 2 | 66.67% |
| Total | 165 | 100.00% | 3 | 100.00% |
/* this function must be called with interrupt disabled */
static void free_usb_address(struct r8a66597 *r8a66597,
struct r8a66597_device *dev, int reset)
{
int port;
if (!dev)
return;
dev_dbg(&dev->udev->dev, "free_addr: addr=%d\n", dev->address);
dev->state = USB_STATE_DEFAULT;
r8a66597->address_map &= ~(1 << dev->address);
dev->address = 0;
/*
* Only when resetting USB, it is necessary to erase drvdata. When
* a usb device with usb hub is disconnect, "dev->udev" is already
* freed on usb_desconnect(). So we cannot access the data.
*/
if (reset)
dev_set_drvdata(&dev->udev->dev, NULL);
list_del(&dev->device_list);
kfree(dev);
for (port = 0; port < r8a66597->max_root_hub; port++) {
if (r8a66597->root_hub[port].dev == dev) {
r8a66597->root_hub[port].dev = NULL;
break;
}
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 131 | 91.61% | 2 | 50.00% |
| greg kroah-hartman | greg kroah-hartman | 9 | 6.29% | 1 | 25.00% |
| magnus damm | magnus damm | 3 | 2.10% | 1 | 25.00% |
| Total | 143 | 100.00% | 4 | 100.00% |
static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg,
u16 mask, u16 loop)
{
u16 tmp;
int i = 0;
do {
tmp = r8a66597_read(r8a66597, reg);
if (i++ > 1000000) {
printk(KERN_ERR "r8a66597: register%lx, loop %x "
"is timeout\n", reg, loop);
break;
}
ndelay(1);
} while ((tmp & mask) != loop);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 74 | 94.87% | 1 | 50.00% |
| greg kroah-hartman | greg kroah-hartman | 4 | 5.13% | 1 | 50.00% |
| Total | 78 | 100.00% | 2 | 100.00% |
/* this function must be called with interrupt disabled */
static void pipe_start(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe)
{
u16 tmp;
tmp = r8a66597_read(r8a66597, pipe->pipectr) & PID;
if ((pipe->info.pipenum != 0) & ((tmp & PID_STALL) != 0)) /* stall? */
r8a66597_mdfy(r8a66597, PID_NAK, PID, pipe->pipectr);
r8a66597_mdfy(r8a66597, PID_BUF, PID, pipe->pipectr);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 81 | 100.00% | 1 | 100.00% |
| Total | 81 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static void pipe_stop(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe)
{
u16 tmp;
tmp = r8a66597_read(r8a66597, pipe->pipectr) & PID;
if ((tmp & PID_STALL11) != PID_STALL11) /* force stall? */
r8a66597_mdfy(r8a66597, PID_STALL, PID, pipe->pipectr);
r8a66597_mdfy(r8a66597, PID_NAK, PID, pipe->pipectr);
r8a66597_reg_wait(r8a66597, pipe->pipectr, PBUSY, 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 82 | 100.00% | 1 | 100.00% |
| Total | 82 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static void clear_all_buffer(struct r8a66597 *r8a66597,
struct r8a66597_pipe *pipe)
{
u16 tmp;
if (!pipe || pipe->info.pipenum == 0)
return;
pipe_stop(r8a66597, pipe);
r8a66597_bset(r8a66597, ACLRM, pipe->pipectr);
tmp = r8a66597_read(r8a66597, pipe->pipectr);
tmp = r8a66597_read(r8a66597, pipe->pipectr);
tmp = r8a66597_read(r8a66597, pipe->pipectr);
r8a66597_bclr(r8a66597, ACLRM, pipe->pipectr);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 95 | 100.00% | 1 | 100.00% |
| Total | 95 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static void r8a66597_pipe_toggle(struct r8a66597 *r8a66597,
struct r8a66597_pipe *pipe, int toggle)
{
if (toggle)
r8a66597_bset(r8a66597, SQSET, pipe->pipectr);
else
r8a66597_bset(r8a66597, SQCLR, pipe->pipectr);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 46 | 100.00% | 1 | 100.00% |
| Total | 46 | 100.00% | 1 | 100.00% |
static inline unsigned short mbw_value(struct r8a66597 *r8a66597)
{
if (r8a66597->pdata->on_chip)
return MBW_32;
else
return MBW_16;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| magnus damm | magnus damm | 28 | 100.00% | 1 | 100.00% |
| Total | 28 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static inline void cfifo_change(struct r8a66597 *r8a66597, u16 pipenum)
{
unsigned short mbw = mbw_value(r8a66597);
r8a66597_mdfy(r8a66597, mbw | pipenum, mbw | CURPIPE, CFIFOSEL);
r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 39 | 78.00% | 1 | 50.00% |
| magnus damm | magnus damm | 11 | 22.00% | 1 | 50.00% |
| Total | 50 | 100.00% | 2 | 100.00% |
/* this function must be called with interrupt disabled */
static inline void fifo_change_from_pipe(struct r8a66597 *r8a66597,
struct r8a66597_pipe *pipe)
{
unsigned short mbw = mbw_value(r8a66597);
cfifo_change(r8a66597, 0);
r8a66597_mdfy(r8a66597, mbw | 0, mbw | CURPIPE, D0FIFOSEL);
r8a66597_mdfy(r8a66597, mbw | 0, mbw | CURPIPE, D1FIFOSEL);
r8a66597_mdfy(r8a66597, mbw | pipe->info.pipenum, mbw | CURPIPE,
pipe->fifosel);
r8a66597_reg_wait(r8a66597, pipe->fifosel, CURPIPE, pipe->info.pipenum);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 86 | 85.15% | 1 | 50.00% |
| magnus damm | magnus damm | 15 | 14.85% | 1 | 50.00% |
| Total | 101 | 100.00% | 2 | 100.00% |
static u16 r8a66597_get_pipenum(struct urb *urb, struct usb_host_endpoint *hep)
{
struct r8a66597_pipe *pipe = hep->hcpriv;
if (usb_pipeendpoint(urb->pipe) == 0)
return 0;
else
return pipe->info.pipenum;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 47 | 100.00% | 1 | 100.00% |
| Total | 47 | 100.00% | 1 | 100.00% |
static u16 get_urb_to_r8a66597_addr(struct r8a66597 *r8a66597, struct urb *urb)
{
struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb);
return (usb_pipedevice(urb->pipe) == 0) ? 0 : dev->address;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 46 | 100.00% | 1 | 100.00% |
| Total | 46 | 100.00% | 1 | 100.00% |
static unsigned short *get_toggle_pointer(struct r8a66597_device *dev,
int urb_pipe)
{
if (!dev)
return NULL;
return usb_pipein(urb_pipe) ? &dev->ep_in_toggle : &dev->ep_out_toggle;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 40 | 100.00% | 1 | 100.00% |
| Total | 40 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static void pipe_toggle_set(struct r8a66597 *r8a66597,
struct r8a66597_pipe *pipe,
struct urb *urb, int set)
{
struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb);
unsigned char endpoint = usb_pipeendpoint(urb->pipe);
unsigned short *toggle = get_toggle_pointer(dev, urb->pipe);
if (!toggle)
return;
if (set)
*toggle |= 1 << endpoint;
else
*toggle &= ~(1 << endpoint);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 89 | 100.00% | 1 | 100.00% |
| Total | 89 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static void pipe_toggle_save(struct r8a66597 *r8a66597,
struct r8a66597_pipe *pipe,
struct urb *urb)
{
if (r8a66597_read(r8a66597, pipe->pipectr) & SQMON)
pipe_toggle_set(r8a66597, pipe, urb, 1);
else
pipe_toggle_set(r8a66597, pipe, urb, 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 57 | 100.00% | 1 | 100.00% |
| Total | 57 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static void pipe_toggle_restore(struct r8a66597 *r8a66597,
struct r8a66597_pipe *pipe,
struct urb *urb)
{
struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb);
unsigned char endpoint = usb_pipeendpoint(urb->pipe);
unsigned short *toggle = get_toggle_pointer(dev, urb->pipe);
if (!toggle)
return;
r8a66597_pipe_toggle(r8a66597, pipe, *toggle & (1 << endpoint));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 80 | 100.00% | 2 | 100.00% |
| Total | 80 | 100.00% | 2 | 100.00% |
/* this function must be called with interrupt disabled */
static void pipe_buffer_setting(struct r8a66597 *r8a66597,
struct r8a66597_pipe_info *info)
{
u16 val = 0;
if (info->pipenum == 0)
return;
r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(info->pipenum));
r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(info->pipenum));
r8a66597_write(r8a66597, info->pipenum, PIPESEL);
if (!info->dir_in)
val |= R8A66597_DIR;
if (info->type == R8A66597_BULK && info->dir_in)
val |= R8A66597_DBLB | R8A66597_SHTNAK;
val |= info->type | info->epnum;
r8a66597_write(r8a66597, val, PIPECFG);
r8a66597_write(r8a66597, (info->buf_bsize << 10) | (info->bufnum),
PIPEBUF);
r8a66597_write(r8a66597, make_devsel(info->address) | info->maxpacket,
PIPEMAXP);
r8a66597_write(r8a66597, info->interval, PIPEPERI);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 167 | 100.00% | 1 | 100.00% |
| Total | 167 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static void pipe_setting(struct r8a66597 *r8a66597, struct r8a66597_td *td)
{
struct r8a66597_pipe_info *info;
struct urb *urb = td->urb;
if (td->pipenum > 0) {
info = &td->pipe->info;
cfifo_change(r8a66597, 0);
pipe_buffer_setting(r8a66597, info);
if (!usb_gettoggle(urb->dev, usb_pipeendpoint(urb->pipe),
usb_pipeout(urb->pipe)) &&
!usb_pipecontrol(urb->pipe)) {
r8a66597_pipe_toggle(r8a66597, td->pipe, 0);
pipe_toggle_set(r8a66597, td->pipe, urb, 0);
clear_all_buffer(r8a66597, td->pipe);
usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe),
usb_pipeout(urb->pipe), 1);
}
pipe_toggle_restore(r8a66597, td->pipe, urb);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 164 | 100.00% | 1 | 100.00% |
| Total | 164 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static u16 get_empty_pipenum(struct r8a66597 *r8a66597,
struct usb_endpoint_descriptor *ep)
{
u16 array[R8A66597_MAX_NUM_PIPE], i = 0, min;
memset(array, 0, sizeof(array));
switch (usb_endpoint_type(ep)) {
case USB_ENDPOINT_XFER_BULK:
if (usb_endpoint_dir_in(ep))
array[i++] = 4;
else {
array[i++] = 3;
array[i++] = 5;
}
break;
case USB_ENDPOINT_XFER_INT:
if (usb_endpoint_dir_in(ep)) {
array[i++] = 6;
array[i++] = 7;
array[i++] = 8;
} else
array[i++] = 9;
break;
case USB_ENDPOINT_XFER_ISOC:
if (usb_endpoint_dir_in(ep))
array[i++] = 2;
else
array[i++] = 1;
break;
default:
printk(KERN_ERR "r8a66597: Illegal type\n");
return 0;
}
i = 1;
min = array[0];
while (array[i] != 0) {
if (r8a66597->pipe_cnt[min] > r8a66597->pipe_cnt[array[i]])
min = array[i];
i++;
}
return min;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 210 | 93.33% | 1 | 33.33% |
| julia lawall | julia lawall | 12 | 5.33% | 1 | 33.33% |
| greg kroah-hartman | greg kroah-hartman | 3 | 1.33% | 1 | 33.33% |
| Total | 225 | 100.00% | 3 | 100.00% |
static u16 get_r8a66597_type(__u8 type)
{
u16 r8a66597_type;
switch (type) {
case USB_ENDPOINT_XFER_BULK:
r8a66597_type = R8A66597_BULK;
break;
case USB_ENDPOINT_XFER_INT:
r8a66597_type = R8A66597_INT;
break;
case USB_ENDPOINT_XFER_ISOC:
r8a66597_type = R8A66597_ISO;
break;
default:
printk(KERN_ERR "r8a66597: Illegal type\n");
r8a66597_type = 0x0000;
break;
}
return r8a66597_type;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 54 | 94.74% | 1 | 50.00% |
| greg kroah-hartman | greg kroah-hartman | 3 | 5.26% | 1 | 50.00% |
| Total | 57 | 100.00% | 2 | 100.00% |
static u16 get_bufnum(u16 pipenum)
{
u16 bufnum = 0;
if (pipenum == 0)
bufnum = 0;
else if (check_bulk_or_isoc(pipenum))
bufnum = 8 + (pipenum - 1) * R8A66597_BUF_BSIZE*2;
else if (check_interrupt(pipenum))
bufnum = 4 + (pipenum - 6);
else
printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum);
return bufnum;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 73 | 96.05% | 1 | 50.00% |
| greg kroah-hartman | greg kroah-hartman | 3 | 3.95% | 1 | 50.00% |
| Total | 76 | 100.00% | 2 | 100.00% |
static u16 get_buf_bsize(u16 pipenum)
{
u16 buf_bsize = 0;
if (pipenum == 0)
buf_bsize = 3;
else if (check_bulk_or_isoc(pipenum))
buf_bsize = R8A66597_BUF_BSIZE - 1;
else if (check_interrupt(pipenum))
buf_bsize = 0;
else
printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum);
return buf_bsize;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 59 | 95.16% | 1 | 50.00% |
| greg kroah-hartman | greg kroah-hartman | 3 | 4.84% | 1 | 50.00% |
| Total | 62 | 100.00% | 2 | 100.00% |
/* this function must be called with interrupt disabled */
static void enable_r8a66597_pipe_dma(struct r8a66597 *r8a66597,
struct r8a66597_device *dev,
struct r8a66597_pipe *pipe,
struct urb *urb)
{
int i;
struct r8a66597_pipe_info *info = &pipe->info;
unsigned short mbw = mbw_value(r8a66597);
/* pipe dma is only for external controlles */
if (r8a66597->pdata->on_chip)
return;
if ((pipe->info.pipenum != 0) && (info->type != R8A66597_INT)) {
for (i = 0; i < R8A66597_MAX_DMA_CHANNEL; i++) {
if ((r8a66597->dma_map & (1 << i)) != 0)
continue;
dev_info(&dev->udev->dev,
"address %d, EndpointAddress 0x%02x use "
"DMA FIFO\n", usb_pipedevice(urb->pipe),
info->dir_in ?
USB_ENDPOINT_DIR_MASK + info->epnum
: info->epnum);
r8a66597->dma_map |= 1 << i;
dev->dma_map |= 1 << i;
set_pipe_reg_addr(pipe, i);
cfifo_change(r8a66597, 0);
r8a66597_mdfy(r8a66597, mbw | pipe->info.pipenum,
mbw | CURPIPE, pipe->fifosel);
r8a66597_reg_wait(r8a66597, pipe->fifosel, CURPIPE,
pipe->info.pipenum);
r8a66597_bset(r8a66597, BCLR, pipe->fifoctr);
break;
}
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 195 | 86.28% | 1 | 33.33% |
| magnus damm | magnus damm | 21 | 9.29% | 1 | 33.33% |
| greg kroah-hartman | greg kroah-hartman | 10 | 4.42% | 1 | 33.33% |
| Total | 226 | 100.00% | 3 | 100.00% |
/* this function must be called with interrupt disabled */
static void enable_r8a66597_pipe(struct r8a66597 *r8a66597, struct urb *urb,
struct usb_host_endpoint *hep,
struct r8a66597_pipe_info *info)
{
struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb);
struct r8a66597_pipe *pipe = hep->hcpriv;
dev_dbg(&dev->udev->dev, "enable_pipe:\n");
pipe->info = *info;
set_pipe_reg_addr(pipe, R8A66597_PIPE_NO_DMA);
r8a66597->pipe_cnt[pipe->info.pipenum]++;
dev->pipe_cnt[pipe->info.pipenum]++;
enable_r8a66597_pipe_dma(r8a66597, dev, pipe, urb);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 99 | 91.67% | 1 | 50.00% |
| greg kroah-hartman | greg kroah-hartman | 9 | 8.33% | 1 | 50.00% |
| Total | 108 | 100.00% | 2 | 100.00% |
static void r8a66597_urb_done(struct r8a66597 *r8a66597, struct urb *urb,
int status)
__releases(r8a66597->lock)
__acquires(r8a66597->lock)
{
if (usb_pipein(urb->pipe) && usb_pipetype(urb->pipe) != PIPE_CONTROL) {
void *ptr;
for (ptr = urb->transfer_buffer;
ptr < urb->transfer_buffer + urb->transfer_buffer_length;
ptr += PAGE_SIZE)
flush_dcache_page(virt_to_page(ptr));
}
usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597), urb);
spin_unlock(&r8a66597->lock);
usb_hcd_giveback_urb(r8a66597_to_hcd(r8a66597), urb, status);
spin_lock(&r8a66597->lock);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| paul mundt | paul mundt | 123 | 100.00% | 1 | 100.00% |
| Total | 123 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static void force_dequeue(struct r8a66597 *r8a66597, u16 pipenum, u16 address)
{
struct r8a66597_td *td, *next;
struct urb *urb;
struct list_head *list = &r8a66597->pipe_queue[pipenum];
if (list_empty(list))
return;
list_for_each_entry_safe(td, next, list, queue) {
if (td->address != address)
continue;
urb = td->urb;
list_del(&td->queue);
kfree(td);
if (urb)
r8a66597_urb_done(r8a66597, urb, -ENODEV);
break;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 102 | 96.23% | 1 | 33.33% |
| alan stern | alan stern | 3 | 2.83% | 1 | 33.33% |
| paul mundt | paul mundt | 1 | 0.94% | 1 | 33.33% |
| Total | 106 | 100.00% | 3 | 100.00% |
/* this function must be called with interrupt disabled */
static void disable_r8a66597_pipe_all(struct r8a66597 *r8a66597,
struct r8a66597_device *dev)
{
int check_ep0 = 0;
u16 pipenum;
if (!dev)
return;
for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) {
if (!dev->pipe_cnt[pipenum])
continue;
if (!check_ep0) {
check_ep0 = 1;
force_dequeue(r8a66597, 0, dev->address);
}
r8a66597->pipe_cnt[pipenum] -= dev->pipe_cnt[pipenum];
dev->pipe_cnt[pipenum] = 0;
force_dequeue(r8a66597, pipenum, dev->address);
}
dev_dbg(&dev->udev->dev, "disable_pipe\n");
r8a66597->dma_map &= ~(dev->dma_map);
dev->dma_map = 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 132 | 93.62% | 1 | 50.00% |
| greg kroah-hartman | greg kroah-hartman | 9 | 6.38% | 1 | 50.00% |
| Total | 141 | 100.00% | 2 | 100.00% |
static u16 get_interval(struct urb *urb, __u8 interval)
{
u16 time = 1;
int i;
if (urb->dev->speed == USB_SPEED_HIGH) {
if (interval > IITV)
time = IITV;
else
time = interval ? interval - 1 : 0;
} else {
if (interval > 128) {
time = IITV;
} else {
/* calculate the nearest value for PIPEPERI */
for (i = 0; i < 7; i++) {
if ((1 << i) < interval &&
(1 << (i + 1) > interval))
time = 1 << i;
}
}
}
return time;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 120 | 100.00% | 1 | 100.00% |
| Total | 120 | 100.00% | 1 | 100.00% |
static unsigned long get_timer_interval(struct urb *urb, __u8 interval)
{
__u8 i;
unsigned long time = 1;
if (usb_pipeisoc(urb->pipe))
return 0;
if (get_r8a66597_usb_speed(urb->dev->speed) == HSMODE) {
for (i = 0; i < (interval - 1); i++)
time *= 2;
time = time * 125 / 1000; /* uSOF -> msec */
} else {
time = interval;
}
return time;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 91 | 100.00% | 1 | 100.00% |
| Total | 91 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static void init_pipe_info(struct r8a66597 *r8a66597, struct urb *urb,
struct usb_host_endpoint *hep,
struct usb_endpoint_descriptor *ep)
{
struct r8a66597_pipe_info info;
info.pipenum = get_empty_pipenum(r8a66597, ep);
info.address = get_urb_to_r8a66597_addr(r8a66597, urb);
info.epnum = usb_endpoint_num(ep);
info.maxpacket = usb_endpoint_maxp(ep);
info.type = get_r8a66597_type(usb_endpoint_type(ep));
info.bufnum = get_bufnum(info.pipenum);
info.buf_bsize = get_buf_bsize(info.pipenum);
if (info.type == R8A66597_BULK) {
info.interval = 0;
info.timer_interval = 0;
} else {
info.interval = get_interval(urb, ep->bInterval);
info.timer_interval = get_timer_interval(urb, ep->bInterval);
}
if (usb_endpoint_dir_in(ep))
info.dir_in = 1;
else
info.dir_in = 0;
enable_r8a66597_pipe(r8a66597, urb, hep, &info);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 177 | 94.65% | 4 | 66.67% |
| julia lawall | julia lawall | 9 | 4.81% | 1 | 16.67% |
| kuninori morimoto | kuninori morimoto | 1 | 0.53% | 1 | 16.67% |
| Total | 187 | 100.00% | 6 | 100.00% |
static void init_pipe_config(struct r8a66597 *r8a66597, struct urb *urb)
{
struct r8a66597_device *dev;
dev = get_urb_to_r8a66597_dev(r8a66597, urb);
dev->state = USB_STATE_CONFIGURED;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 36 | 100.00% | 1 | 100.00% |
| Total | 36 | 100.00% | 1 | 100.00% |
static void pipe_irq_enable(struct r8a66597 *r8a66597, struct urb *urb,
u16 pipenum)
{
if (pipenum == 0 && usb_pipeout(urb->pipe))
enable_irq_empty(r8a66597, pipenum);
else
enable_irq_ready(r8a66597, pipenum);
if (!usb_pipeisoc(urb->pipe))
enable_irq_nrdy(r8a66597, pipenum);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 64 | 100.00% | 1 | 100.00% |
| Total | 64 | 100.00% | 1 | 100.00% |
static void pipe_irq_disable(struct r8a66597 *r8a66597, u16 pipenum)
{
disable_irq_ready(r8a66597, pipenum);
disable_irq_nrdy(r8a66597, pipenum);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 28 | 100.00% | 1 | 100.00% |
| Total | 28 | 100.00% | 1 | 100.00% |
static void r8a66597_root_hub_start_polling(struct r8a66597 *r8a66597)
{
mod_timer(&r8a66597->rh_timer,
jiffies + msecs_to_jiffies(R8A66597_RH_POLL_TIME));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
static void start_root_hub_sampling(struct r8a66597 *r8a66597, int port,
int connect)
{
struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
rh->old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port)) & LNST;
rh->scount = R8A66597_MAX_SAMPLING;
if (connect)
rh->port |= USB_PORT_STAT_CONNECTION;
else
rh->port &= ~USB_PORT_STAT_CONNECTION;
rh->port |= USB_PORT_STAT_C_CONNECTION << 16;
r8a66597_root_hub_start_polling(r8a66597);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 79 | 95.18% | 1 | 50.00% |
| alan stern | alan stern | 4 | 4.82% | 1 | 50.00% |
| Total | 83 | 100.00% | 2 | 100.00% |
/* this function must be called with interrupt disabled */
static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port,
u16 syssts)
__releases(r8a66597->lock)
__acquires(r8a66597->lock)
{
if (syssts == SE0) {
r8a66597_write(r8a66597, ~ATTCH, get_intsts_reg(port));
r8a66597_bset(r8a66597, ATTCHE, get_intenb_reg(port));
} else {
if (syssts == FS_JSTS)
r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
else if (syssts == LS_JSTS)
r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port));
r8a66597_write(r8a66597, ~DTCH, get_intsts_reg(port));
r8a66597_bset(r8a66597, DTCHE, get_intenb_reg(port));
if (r8a66597->bus_suspended)
usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597));
}
spin_unlock(&r8a66597->lock);
usb_hcd_poll_rh_status(r8a66597_to_hcd(r8a66597));
spin_lock(&r8a66597->lock);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 137 | 83.03% | 5 | 83.33% |
| paul mundt | paul mundt | 28 | 16.97% | 1 | 16.67% |
| Total | 165 | 100.00% | 6 | 100.00% |
/* this function must be called with interrupt disabled */
static void r8a66597_usb_connect(struct r8a66597 *r8a66597, int port)
{
u16 speed = get_rh_usb_speed(r8a66597, port);
struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
rh->port &= ~(USB_PORT_STAT_HIGH_SPEED | USB_PORT_STAT_LOW_SPEED);
if (speed == HSMODE)
rh->port |= USB_PORT_STAT_HIGH_SPEED;
else if (speed == LSMODE)
rh->port |= USB_PORT_STAT_LOW_SPEED;
rh->port &= ~USB_PORT_STAT_RESET;
rh->port |= USB_PORT_STAT_ENABLE;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 79 | 91.86% | 2 | 40.00% |
| alan stern | alan stern | 6 | 6.98% | 2 | 40.00% |
| nobuhiro iwamatsu | nobuhiro iwamatsu | 1 | 1.16% | 1 | 20.00% |
| Total | 86 | 100.00% | 5 | 100.00% |
/* this function must be called with interrupt disabled */
static void r8a66597_usb_disconnect(struct r8a66597 *r8a66597, int port)
{
struct r8a66597_device *dev = r8a66597->root_hub[port].dev;
disable_r8a66597_pipe_all(r8a66597, dev);
free_usb_address(r8a66597, dev, 0);
start_root_hub_sampling(r8a66597, port, 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 53 | 100.00% | 3 | 100.00% |
| Total | 53 | 100.00% | 3 | 100.00% |
/* this function must be called with interrupt disabled */
static void prepare_setup_packet(struct r8a66597 *r8a66597,
struct r8a66597_td *td)
{
int i;
__le16 *p = (__le16 *)td->urb->setup_packet;
unsigned long setup_addr = USBREQ;
r8a66597_write(r8a66597, make_devsel(td->address) | td->maxpacket,
DCPMAXP);
r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1);
for (i = 0; i < 4; i++) {
r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr);
setup_addr += 2;
}
r8a66597_write(r8a66597, SUREQ, DCPCTR);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 111 | 97.37% | 2 | 66.67% |
| al viro | al viro | 3 | 2.63% | 1 | 33.33% |
| Total | 114 | 100.00% | 3 | 100.00% |
/* this function must be called with interrupt disabled */
static void prepare_packet_read(struct r8a66597 *r8a66597,
struct r8a66597_td *td)
{
struct urb *urb = td->urb;
if (usb_pipecontrol(urb->pipe)) {
r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
if (urb->actual_length == 0) {
r8a66597_pipe_toggle(r8a66597, td->pipe, 1);
r8a66597_write(r8a66597, BCLR, CFIFOCTR);
}
pipe_irq_disable(r8a66597, td->pipenum);
pipe_start(r8a66597, td->pipe);
pipe_irq_enable(r8a66597, urb, td->pipenum);
} else {
if (urb->actual_length == 0) {
pipe_irq_disable(r8a66597, td->pipenum);
pipe_setting(r8a66597, td);
pipe_stop(r8a66597, td->pipe);
r8a66597_write(r8a66597, ~(1 << td->pipenum), BRDYSTS);
if (td->pipe->pipetre) {
r8a66597_write(r8a66597, TRCLR,
td->pipe->pipetre);
r8a66597_write(r8a66597,
DIV_ROUND_UP
(urb->transfer_buffer_length,
td->maxpacket),
td->pipe->pipetrn);
r8a66597_bset(r8a66597, TRENB,
td->pipe->pipetre);
}
pipe_start(r8a66597, td->pipe);
pipe_irq_enable(r8a66597, urb, td->pipenum);
}
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 256 | 98.46% | 1 | 50.00% |
| julia lawall | julia lawall | 4 | 1.54% | 1 | 50.00% |
| Total | 260 | 100.00% | 2 | 100.00% |
/* this function must be called with interrupt disabled */
static void prepare_packet_write(struct r8a66597 *r8a66597,
struct r8a66597_td *td)
{
u16 tmp;
struct urb *urb = td->urb;
if (usb_pipecontrol(urb->pipe)) {
pipe_stop(r8a66597, td->pipe);
r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG);
r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL);
r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
if (urb->actual_length == 0) {
r8a66597_pipe_toggle(r8a66597, td->pipe, 1);
r8a66597_write(r8a66597, BCLR, CFIFOCTR);
}
} else {
if (urb->actual_length == 0)
pipe_setting(r8a66597, td);
if (td->pipe->pipetre)
r8a66597_bclr(r8a66597, TRENB, td->pipe->pipetre);
}
r8a66597_write(r8a66597, ~(1 << td->pipenum), BRDYSTS);
fifo_change_from_pipe(r8a66597, td->pipe);
tmp = r8a66597_read(r8a66597, td->pipe->fifoctr);
if (unlikely((tmp & FRDY) == 0))
pipe_irq_enable(r8a66597, urb, td->pipenum);
else
packet_write(r8a66597, td->pipenum);
pipe_start(r8a66597, td->pipe);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 231 | 100.00% | 1 | 100.00% |
| Total | 231 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static void prepare_status_packet(struct r8a66597 *r8a66597,
struct r8a66597_td *td)
{
struct urb *urb = td->urb;
r8a66597_pipe_toggle(r8a66597, td->pipe, 1);
pipe_stop(r8a66597, td->pipe);
if (urb->setup_packet[0] & USB_ENDPOINT_DIR_MASK) {
r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG);
r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL);
r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
r8a66597_write(r8a66597, ~BEMP0, BEMPSTS);
r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR);
enable_irq_empty(r8a66597, 0);
} else {
r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
r8a66597_write(r8a66597, BCLR, CFIFOCTR);
enable_irq_ready(r8a66597, 0);
}
enable_irq_nrdy(r8a66597, 0);
pipe_start(r8a66597, td->pipe);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 187 | 100.00% | 3 | 100.00% |
| Total | 187 | 100.00% | 3 | 100.00% |
static int is_set_address(unsigned char *setup_packet)
{
if (((setup_packet[0] & USB_TYPE_MASK) == USB_TYPE_STANDARD) &&
setup_packet[1] == USB_REQ_SET_ADDRESS)
return 1;
else
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 40 | 100.00% | 1 | 100.00% |
| Total | 40 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static int start_transfer(struct r8a66597 *r8a66597, struct r8a66597_td *td)
{
BUG_ON(!td);
switch (td->type) {
case USB_PID_SETUP:
if (is_set_address(td->urb->setup_packet)) {
td->set_address = 1;
td->urb->setup_packet[2] = alloc_usb_address(r8a66597,
td->urb);
if (td->urb->setup_packet[2] == 0)
return -EPIPE;
}
prepare_setup_packet(r8a66597, td);
break;
case USB_PID_IN:
prepare_packet_read(r8a66597, td);
break;
case USB_PID_OUT:
prepare_packet_write(r8a66597, td);
break;
case USB_PID_ACK:
prepare_status_packet(r8a66597, td);
break;
default:
printk(KERN_ERR "r8a66597: invalid type.\n");
break;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 136 | 97.84% | 2 | 66.67% |
| greg kroah-hartman | greg kroah-hartman | 3 | 2.16% | 1 | 33.33% |
| Total | 139 | 100.00% | 3 | 100.00% |
static int check_transfer_finish(struct r8a66597_td *td, struct urb *urb)
{
if (usb_pipeisoc(urb->pipe)) {
if (urb->number_of_packets == td->iso_cnt)
return 1;
}
/* control or bulk or interrupt */
if ((urb->transfer_buffer_length <= urb->actual_length) ||
(td->short_packet) || (td->zero_packet))
return 1;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 71 | 100.00% | 1 | 100.00% |
| Total | 71 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static void set_td_timer(struct r8a66597 *r8a66597, struct r8a66597_td *td)
{
unsigned long time;
BUG_ON(!td);
if (!list_empty(&r8a66597->pipe_queue[td->pipenum]) &&
!usb_pipecontrol(td->urb->pipe) && usb_pipein(td->urb->pipe)) {
r8a66597->timeout_map |= 1 << td->pipenum;
switch (usb_pipetype(td->urb->pipe)) {
case PIPE_INTERRUPT:
case PIPE_ISOCHRONOUS:
time = 30;
break;
default:
time = 300;
break;
}
mod_timer(&r8a66597->td_timer[td->pipenum],
jiffies + msecs_to_jiffies(time));
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 123 | 100.00% | 1 | 100.00% |
| Total | 123 | 100.00% | 1 | 100.00% |
/* this function must be called with interrupt disabled */
static void finish_request(struct r8a66597 *r8a66597, struct r8a66597_td *td,
u16 pipenum, struct urb *urb, int status)
__releases(r8a66597->lock) __acquires(r8a66597->lock)
{
int restart = 0;
struct usb_hcd *hcd = r8a66597_to_hcd(r8a66597);
r8a66597->timeout_map &= ~(1 << pipenum);
if (likely(td)) {
if (td->set_address && (status != 0 || urb->unlinked))
r8a66597->address_map &= ~(1 << urb->setup_packet[2]);
pipe_toggle_save(r8a66597, td->pipe, urb);
list_del(&td->queue);
kfree(td);
}
if (!list_empty(&r8a66597->pipe_queue[pipenum]))
restart = 1;
if (likely(urb)) {
if (usb_pipeisoc(urb->pipe))
urb->start_frame = r8a66597_get_frame(hcd);
r8a66597_urb_done(r8a66597, urb, status);
}
if (restart) {
td = r8a66597_get_td(r8a66597, pipenum);
if (unlikely(!td))
return;
start_transfer(r8a66597, td);
set_td_timer(r8a66597, td);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 195 | 87.84% | 1 | 14.29% |
| alan stern | alan stern | 26 | 11.71% | 5 | 71.43% |
| paul mundt | paul mundt | 1 | 0.45% | 1 | 14.29% |
| Total | 222 | 100.00% | 7 | 100.00% |
static void packet_read(struct r8a66597 *r8a66597, u16 pipenum)
{
u16 tmp;
int rcv_len, bufsize, urb_len, size;
u16 *buf;
struct r8a66597_td *td = r8a66597_get_td(r8a66597, pipenum);
struct urb *urb;
int finish = 0;
int status = 0;
if (unlikely(!td))
return;
urb = td->urb;
fifo_change_from_pipe(r8a66597, td->pipe);
tmp = r8a66597_read(r8a66597, td->pipe->fifoctr);
if (unlikely((tmp & FRDY) == 0)) {
pipe_stop(r8a66597, td->pipe);
pipe_irq_disable(r8a66597, pipenum);
printk(KERN_ERR "r8a66597: in fifo not ready (%d)\n", pipenum);
finish_request(r8a66597, td, pipenum, td->urb, -EPIPE);
return;
}
/* prepare parameters */
rcv_len = tmp & DTLN;
if (usb_pipeisoc(urb->pipe)) {
buf = (u16 *)(urb->transfer_buffer +
urb->iso_frame_desc[td->iso_cnt].offset);
urb_len = urb->iso_frame_desc[td->iso_cnt].length;
} else {
buf = (void *)urb->transfer_buffer + urb->actual_length;
urb_len = urb->transfer_buffer_length - urb->actual_length;
}
bufsize = min(urb_len, (int) td->maxpacket);
if (rcv_len <= bufsize) {
size = rcv_len;
} else {
size = bufsize;
status = -EOVERFLOW;
finish = 1;
}
/* update parameters */
urb->actual_length += size;
if (rcv_len == 0)
td->zero_packet = 1;
if (rcv_len < bufsize) {
td->short_packet = 1;
}
if (usb_pipeisoc(urb->pipe)) {
urb->iso_frame_desc[td->iso_cnt].actual_length = size;
urb->iso_frame_desc[td->iso_cnt].status = status;
td->iso_cnt++;
finish = 0;
}
/* check transfer finish */
if (finish || check_transfer_finish(td, urb)) {
pipe_stop(r8a66597, td->pipe);
pipe_irq_disable(r8a66597, pipenum);
finish = 1;
}
/* read fifo */
if (urb->transfer_buffer) {
if (size == 0)
r8a66597_write(r8a66597, BCLR, td->pipe->fifoctr);
else
r8a66597_read_fifo(r8a66597, td->pipe->fifoaddr,
buf, size);
}
if (finish && pipenum != 0)
finish_request(r8a66597, td, pipenum, urb, status);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 400 | 88.69% | 1 | 20.00% |
| alan stern | alan stern | 48 | 10.64% | 3 | 60.00% |
| greg kroah-hartman | greg kroah-hartman | 3 | 0.67% | 1 | 20.00% |
| Total | 451 | 100.00% | 5 | 100.00% |
static void packet_write(struct r8a66597 *r8a66597, u16 pipenum)
{
u16 tmp;
int bufsize, size;
u16 *buf;
struct r8a66597_td *td = r8a66597_get_td(r8a66597, pipenum);
struct urb *urb;
if (unlikely(!td))
return;
urb = td->urb;
fifo_change_from_pipe(r8a66597, td->pipe);
tmp = r8a66597_read(r8a66597, td->pipe->fifoctr);
if (unlikely((tmp & FRDY) == 0)) {
pipe_stop(r8a66597, td->pipe);
pipe_irq_disable(r8a66597, pipenum);
printk(KERN_ERR "r8a66597: out fifo not ready (%d)\n", pipenum);
finish_request(r8a66597, td, pipenum, urb, -EPIPE);
return;
}
/* prepare parameters */
bufsize = td->maxpacket;
if (usb_pipeisoc(urb->pipe)) {
buf = (u16 *)(urb->transfer_buffer +
urb->iso_frame_desc[td->iso_cnt].offset);
size = min(bufsize,
(int)urb->iso_frame_desc[td->iso_cnt].length);
} else {
buf = (u16 *)(urb->transfer_buffer + urb->actual_length);
size = min_t(u32, bufsize,
urb->transfer_buffer_length - urb->actual_length);
}
/* write fifo */
if (pipenum > 0)
r8a66597_write(r8a66597, ~(1 << pipenum), BEMPSTS);
if (urb->transfer_buffer) {
r8a66597_write_fifo(r8a66597, td->pipe, buf, size);
if (!usb_pipebulk(urb->pipe) || td->maxpacket != size)
r8a66597_write(r8a66597, BVAL, td->pipe->fifoctr);
}
/* update parameters */
urb->actual_length += size;
if (usb_pipeisoc(urb->pipe)) {
urb->iso_frame_desc[td->iso_cnt].actual_length = size;
urb->iso_frame_desc[td->iso_cnt].status = 0;
td->iso_cnt++;
}
/* check transfer finish */
if (check_transfer_finish(td, urb)) {
disable_irq_ready(r8a66597, pipenum);
enable_irq_empty(r8a66597, pipenum);
if (!usb_pipeisoc(urb->pipe))
enable_irq_nrdy(r8a66597, pipenum);
} else
pipe_irq_enable(r8a66597, urb, pipenum);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 396 | 97.78% | 1 | 25.00% |
| greg kroah-hartman | greg kroah-hartman | 6 | 1.48% | 2 | 50.00% |
| alan stern | alan stern | 3 | 0.74% | 1 | 25.00% |
| Total | 405 | 100.00% | 4 | 100.00% |
static void check_next_phase(struct r8a66597 *r8a66597, int status)
{
struct r8a66597_td *td = r8a66597_get_td(r8a66597, 0);
struct urb *urb;
u8 finish = 0;
if (unlikely(!td))
return;
urb = td->urb;
switch (td->type) {
case USB_PID_IN:
case USB_PID_OUT:
if (check_transfer_finish(td, urb))
td->type = USB_PID_ACK;
break;
case USB_PID_SETUP:
if (urb->transfer_buffer_length == urb->actual_length)
td->type = USB_PID_ACK;
else if (usb_pipeout(urb->pipe))
td->type = USB_PID_OUT;
else
td->type = USB_PID_IN;
break;
case USB_PID_ACK:
finish = 1;
break;
}
if (finish || status != 0 || urb->unlinked)
finish_request(r8a66597, td, 0, urb, status);
else
start_transfer(r8a66597, td);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 152 | 92.12% | 1 | 33.33% |
| alan stern | alan stern | 13 | 7.88% | 2 | 66.67% |
| Total | 165 | 100.00% | 3 | 100.00% |
static int get_urb_error(struct r8a66597 *r8a66597, u16 pipenum)
{
struct r8a66597_td *td = r8a66597_get_td(r8a66597, pipenum);
if (td) {
u16 pid = r8a66597_read(r8a66597, td->pipe->pipectr) & PID;
if (pid == PID_NAK)
return -ECONNRESET;
else
return -EPIPE;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 57 | 86.36% | 1 | 50.00% |
| alan stern | alan stern | 9 | 13.64% | 1 | 50.00% |
| Total | 66 | 100.00% | 2 | 100.00% |
static void irq_pipe_ready(struct r8a66597 *r8a66597)
{
u16 check;
u16 pipenum;
u16 mask;
struct r8a66597_td *td;
mask = r8a66597_read(r8a66597, BRDYSTS)
& r8a66597_read(r8a66597, BRDYENB);
r8a66597_write(r8a66597, ~mask, BRDYSTS);
if (mask & BRDY0) {
td = r8a66597_get_td(r8a66597, 0);
if (td && td->type == USB_PID_IN)
packet_read(r8a66597, 0);
else
pipe_irq_disable(r8a66597, 0);
check_next_phase(r8a66597, 0);
}
for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) {
check = 1 << pipenum;
if (mask & check) {
td = r8a66597_get_td(r8a66597, pipenum);
if (unlikely(!td))
continue;
if (td->type == USB_PID_IN)
packet_read(r8a66597, pipenum);
else if (td->type == USB_PID_OUT)
packet_write(r8a66597, pipenum);
}
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 176 | 98.88% | 1 | 50.00% |
| alan stern | alan stern | 2 | 1.12% | 1 | 50.00% |
| Total | 178 | 100.00% | 2 | 100.00% |
static void irq_pipe_empty(struct r8a66597 *r8a66597)
{
u16 tmp;
u16 check;
u16 pipenum;
u16 mask;
struct r8a66597_td *td;
mask = r8a66597_read(r8a66597, BEMPSTS)
& r8a66597_read(r8a66597, BEMPENB);
r8a66597_write(r8a66597, ~mask, BEMPSTS);
if (mask & BEMP0) {
cfifo_change(r8a66597, 0);
td = r8a66597_get_td(r8a66597, 0);
if (td && td->type != USB_PID_OUT)
disable_irq_empty(r8a66597, 0);
check_next_phase(r8a66597, 0);
}
for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) {
check = 1 << pipenum;
if (mask & check) {
struct r8a66597_td *td;
td = r8a66597_get_td(r8a66597, pipenum);
if (unlikely(!td))
continue;
tmp = r8a66597_read(r8a66597, td->pipe->pipectr);
if ((tmp & INBUFM) == 0) {
disable_irq_empty(r8a66597, pipenum);
pipe_irq_disable(r8a66597, pipenum);
finish_request(r8a66597, td, pipenum, td->urb,
0);
}
}
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 204 | 98.08% | 1 | 50.00% |
| alan stern | alan stern | 4 | 1.92% | 1 | 50.00% |
| Total | 208 | 100.00% | 2 | 100.00% |
static void irq_pipe_nrdy(struct r8a66597 *r8a66597)
{
u16 check;
u16 pipenum;
u16 mask;
int status;
mask = r8a66597_read(r8a66597, NRDYSTS)
& r8a66597_read(r8a66597, NRDYENB);
r8a66597_write(r8a66597, ~mask, NRDYSTS);
if (mask & NRDY0) {
cfifo_change(r8a66597, 0);
status = get_urb_error(r8a66597, 0);
pipe_irq_disable(r8a66597, 0);
check_next_phase(r8a66597, status);
}
for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) {
check = 1 << pipenum;
if (mask & check) {
struct r8a66597_td *td;
td = r8a66597_get_td(r8a66597, pipenum);
if (unlikely(!td))
continue;
status = get_urb_error(r8a66597, pipenum);
pipe_irq_disable(r8a66597, pipenum);
pipe_stop(r8a66597, td->pipe);
finish_request(r8a66597, td, pipenum, td->urb, status);
}
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 166 | 92.74% | 1 | 50.00% |
| alan stern | alan stern | 13 | 7.26% | 1 | 50.00% |
| Total | 179 | 100.00% | 2 | 100.00% |
static irqreturn_t r8a66597_irq(struct usb_hcd *hcd)
{
struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
u16 intsts0, intsts1, intsts2;
u16 intenb0, intenb1, intenb2;
u16 mask0, mask1, mask2;
int status;
spin_lock(&r8a66597->lock);
intsts0 = r8a66597_read(r8a66597, INTSTS0);
intsts1 = r8a66597_read(r8a66597, INTSTS1);
intsts2 = r8a66597_read(r8a66597, INTSTS2);
intenb0 = r8a66597_read(r8a66597, INTENB0);
intenb1 = r8a66597_read(r8a66597, INTENB1);
intenb2 = r8a66597_read(r8a66597, INTENB2);
mask2 = intsts2 & intenb2;
mask1 = intsts1 & intenb1;
mask0 = intsts0 & intenb0 & (BEMP | NRDY | BRDY);
if (mask2) {
if (mask2 & ATTCH) {
r8a66597_write(r8a66597, ~ATTCH, INTSTS2);
r8a66597_bclr(r8a66597, ATTCHE, INTENB2);
/* start usb bus sampling */
start_root_hub_sampling(r8a66597, 1, 1);
}
if (mask2 & DTCH) {
r8a66597_write(r8a66597, ~DTCH, INTSTS2);
r8a66597_bclr(r8a66597, DTCHE, INTENB2);
r8a66597_usb_disconnect(r8a66597, 1);
}
if (mask2 & BCHG) {
r8a66597_write(r8a66597, ~BCHG, INTSTS2);
r8a66597_bclr(r8a66597, BCHGE, INTENB2);
usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597));
}
}
if (mask1) {
if (mask1 & ATTCH) {
r8a66597_write(r8a66597, ~ATTCH, INTSTS1);
r8a66597_bclr(r8a66597, ATTCHE, INTENB1);
/* start usb bus sampling */
start_root_hub_sampling(r8a66597, 0, 1);
}
if (mask1 & DTCH) {
r8a66597_write(r8a66597, ~DTCH, INTSTS1);
r8a66597_bclr(r8a66597, DTCHE, INTENB1);
r8a66597_usb_disconnect(r8a66597, 0);
}
if (mask1 & BCHG) {
r8a66597_write(r8a66597, ~BCHG, INTSTS1);
r8a66597_bclr(r8a66597, BCHGE, INTENB1);
usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597));
}
if (mask1 & SIGN) {
r8a66597_write(r8a66597, ~SIGN, INTSTS1);
status = get_urb_error(r8a66597, 0);
check_next_phase(r8a66597, status);
}
if (mask1 & SACK) {
r8a66597_write(r8a66597, ~SACK, INTSTS1);
check_next_phase(r8a66597, 0);
}
}
if (mask0) {
if (mask0 & BRDY)
irq_pipe_ready(r8a66597);
if (mask0 & BEMP)
irq_pipe_empty(r8a66597);
if (mask0 & NRDY)
irq_pipe_nrdy(r8a66597);
}
spin_unlock(&r8a66597->lock);
return IRQ_HANDLED;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 456 | 97.85% | 3 | 75.00% |
| alan stern | alan stern | 10 | 2.15% | 1 | 25.00% |
| Total | 466 | 100.00% | 4 | 100.00% |
/* this function must be called with interrupt disabled */
static void r8a66597_root_hub_control(struct r8a66597 *r8a66597, int port)
{
u16 tmp;
struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
if (rh->port & USB_PORT_STAT_RESET) {
unsigned long dvstctr_reg = get_dvstctr_reg(port);
tmp = r8a66597_read(r8a66597, dvstctr_reg);
if ((tmp & USBRST) == USBRST) {
r8a66597_mdfy(r8a66597, UACT, USBRST | UACT,
dvstctr_reg);
r8a66597_root_hub_start_polling(r8a66597);
} else
r8a66597_usb_connect(r8a66597, port);
}
if (!(rh->port & USB_PORT_STAT_CONNECTION)) {
r8a66597_write(r8a66597, ~ATTCH, get_intsts_reg(port));
r8a66597_bset(r8a66597, ATTCHE, get_intenb_reg(port));
}
if (rh->scount > 0) {
tmp = r8a66597_read(r8a66597, get_syssts_reg(port)) & LNST;
if (tmp == rh->old_syssts) {
rh->scount--;
if (rh->scount == 0)
r8a66597_check_syssts(r8a66597, port, tmp);
else
r8a66597_root_hub_start_polling(r8a66597);
} else {
rh->scount = R8A66597_MAX_SAMPLING;
rh->old_syssts = tmp;
r8a66597_root_hub_start_polling(r8a66597);
}
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 214 | 99.07% | 2 | 66.67% |
| alan stern | alan stern | 2 | 0.93% | 1 | 33.33% |
| Total | 216 | 100.00% | 3 | 100.00% |
static void r8a66597_interval_timer(unsigned long _r8a66597)
{
struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597;
unsigned long flags;
u16 pipenum;
struct r8a66597_td *td;
spin_lock_irqsave(&r8a66597->lock, flags);
for (pipenum = 0; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) {
if (!(r8a66597->interval_map & (1 << pipenum)))
continue;
if (timer_pending(&r8a66597->interval_timer[pipenum]))
continue;
td = r8a66597_get_td(r8a66597, pipenum);
if (td)
start_transfer(r8a66597, td);
}
spin_unlock_irqrestore(&r8a66597->lock, flags);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 119 | 100.00% | 1 | 100.00% |
| Total | 119 | 100.00% | 1 | 100.00% |
static void r8a66597_td_timer(unsigned long _r8a66597)
{
struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597;
unsigned long flags;
u16 pipenum;
struct r8a66597_td *td, *new_td = NULL;
struct r8a66597_pipe *pipe;
spin_lock_irqsave(&r8a66597->lock, flags);
for (pipenum = 0; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) {
if (!(r8a66597->timeout_map & (1 << pipenum)))
continue;
if (timer_pending(&r8a66597->td_timer[pipenum]))
continue;
td = r8a66597_get_td(r8a66597, pipenum);
if (!td) {
r8a66597->timeout_map &= ~(1 << pipenum);
continue;
}
if (td->urb->actual_length) {
set_td_timer(r8a66597, td);
break;
}
pipe = td->pipe;
pipe_stop(r8a66597, pipe);
new_td = td;
do {
list_move_tail(&new_td->queue,
&r8a66597->pipe_queue[pipenum]);
new_td = r8a66597_get_td(r8a66597, pipenum);
if (!new_td) {
new_td = td;
break;
}
} while (td != new_td && td->address == new_td->address);
start_transfer(r8a66597, new_td);
if (td == new_td)
r8a66597->timeout_map &= ~(1 << pipenum);
else
set_td_timer(r8a66597, new_td);
break;
}
spin_unlock_irqrestore(&r8a66597->lock, flags);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 260 | 100.00% | 1 | 100.00% |
| Total | 260 | 100.00% | 1 | 100.00% |
static void r8a66597_timer(unsigned long _r8a66597)
{
struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597;
unsigned long flags;
int port;
spin_lock_irqsave(&r8a66597->lock, flags);
for (port = 0; port < r8a66597->max_root_hub; port++)
r8a66597_root_hub_control(r8a66597, port);
spin_unlock_irqrestore(&r8a66597->lock, flags);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 68 | 95.77% | 2 | 66.67% |
| magnus damm | magnus damm | 3 | 4.23% | 1 | 33.33% |
| Total | 71 | 100.00% | 3 | 100.00% |
static int check_pipe_config(struct r8a66597 *r8a66597, struct urb *urb)
{
struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb);
if (dev && dev->address && dev->state != USB_STATE_CONFIGURED &&
(urb->dev->state == USB_STATE_CONFIGURED))
return 1;
else
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 59 | 100.00% | 1 | 100.00% |
| Total | 59 | 100.00% | 1 | 100.00% |
static int r8a66597_start(struct usb_hcd *hcd)
{
struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
hcd->state = HC_STATE_RUNNING;
return enable_controller(r8a66597);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 33 | 100.00% | 2 | 100.00% |
| Total | 33 | 100.00% | 2 | 100.00% |
static void r8a66597_stop(struct usb_hcd *hcd)
{
struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
disable_controller(r8a66597);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
static void set_address_zero(struct r8a66597 *r8a66597, struct urb *urb)
{
unsigned int usb_address = usb_pipedevice(urb->pipe);
u16 root_port, hub_port;
if (usb_address == 0) {
get_port_number(r8a66597, urb->dev->devpath,
&root_port, &hub_port);
set_devadd_reg(r8a66597, 0,
get_r8a66597_usb_speed(urb->dev->speed),
get_parent_r8a66597_address(r8a66597, urb->dev),
hub_port, root_port);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 84 | 97.67% | 1 | 50.00% |
| magnus damm | magnus damm | 2 | 2.33% | 1 | 50.00% |
| Total | 86 | 100.00% | 2 | 100.00% |
static struct r8a66597_td *r8a66597_make_td(struct r8a66597 *r8a66597,
struct urb *urb,
struct usb_host_endpoint *hep)
{
struct r8a66597_td *td;
u16 pipenum;
td = kzalloc(sizeof(struct r8a66597_td), GFP_ATOMIC);
if (td == NULL)
return NULL;
pipenum = r8a66597_get_pipenum(urb, hep);
td->pipenum = pipenum;
td->pipe = hep->hcpriv;
td->urb = urb;
td->address = get_urb_to_r8a66597_addr(r8a66597, urb);
td->maxpacket = usb_maxpacket(urb->dev, urb->pipe,
!usb_pipein(urb->pipe));
if (usb_pipecontrol(urb->pipe))
td->type = USB_PID_SETUP;
else if (usb_pipein(urb->pipe))
td->type = USB_PID_IN;
else
td->type = USB_PID_OUT;
INIT_LIST_HEAD(&td->queue);
return td;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 165 | 100.00% | 2 | 100.00% |
| Total | 165 | 100.00% | 2 | 100.00% |
static int r8a66597_urb_enqueue(struct usb_hcd *hcd,
struct urb *urb,
gfp_t mem_flags)
{
struct usb_host_endpoint *hep = urb->ep;
struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
struct r8a66597_td *td = NULL;
int ret, request = 0;
unsigned long flags;
spin_lock_irqsave(&r8a66597->lock, flags);
if (!get_urb_to_r8a66597_dev(r8a66597, urb)) {
ret = -ENODEV;
goto error_not_linked;
}
ret = usb_hcd_link_urb_to_ep(hcd, urb);
if (ret)
goto error_not_linked;
if (!hep->hcpriv) {
hep->hcpriv = kzalloc(sizeof(struct r8a66597_pipe),
GFP_ATOMIC);
if (!hep->hcpriv) {
ret = -ENOMEM;
goto error;
}
set_pipe_reg_addr(hep->hcpriv, R8A66597_PIPE_NO_DMA);
if (usb_pipeendpoint(urb->pipe))
init_pipe_info(r8a66597, urb, hep, &hep->desc);
}
if (unlikely(check_pipe_config(r8a66597, urb)))
init_pipe_config(r8a66597, urb);
set_address_zero(r8a66597, urb);
td = r8a66597_make_td(r8a66597, urb, hep);
if (td == NULL) {
ret = -ENOMEM;
goto error;
}
if (list_empty(&r8a66597->pipe_queue[td->pipenum]))
request = 1;
list_add_tail(&td->queue, &r8a66597->pipe_queue[td->pipenum]);
urb->hcpriv = td;
if (request) {
if (td->pipe->info.timer_interval) {
r8a66597->interval_map |= 1 << td->pipenum;
mod_timer(&r8a66597->interval_timer[td->pipenum],
jiffies + msecs_to_jiffies(
td->pipe->info.timer_interval));
} else {
ret = start_transfer(r8a66597, td);
if (ret < 0) {
list_del(&td->queue);
kfree(td);
}
}
} else
set_td_timer(r8a66597, td);
error:
if (ret)
usb_hcd_unlink_urb_from_ep(hcd, urb);
error_not_linked:
spin_unlock_irqrestore(&r8a66597->lock, flags);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 355 | 90.10% | 3 | 75.00% |
| alan stern | alan stern | 39 | 9.90% | 1 | 25.00% |
| Total | 394 | 100.00% | 4 | 100.00% |
static int r8a66597_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
int status)
{
struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
struct r8a66597_td *td;
unsigned long flags;
int rc;
spin_lock_irqsave(&r8a66597->lock, flags);
rc = usb_hcd_check_unlink_urb(hcd, urb, status);
if (rc)
goto done;
if (urb->hcpriv) {
td = urb->hcpriv;
pipe_stop(r8a66597, td->pipe);
pipe_irq_disable(r8a66597, td->pipenum);
disable_irq_empty(r8a66597, td->pipenum);
finish_request(r8a66597, td, td->pipenum, urb, status);
}
done:
spin_unlock_irqrestore(&r8a66597->lock, flags);
return rc;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 110 | 78.57% | 1 | 25.00% |
| alan stern | alan stern | 30 | 21.43% | 3 | 75.00% |
| Total | 140 | 100.00% | 4 | 100.00% |
static void r8a66597_endpoint_disable(struct usb_hcd *hcd,
struct usb_host_endpoint *hep)
{
struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
struct r8a66597_pipe *pipe = (struct r8a66597_pipe *)hep->hcpriv;
struct r8a66597_td *td;
struct urb *urb = NULL;
u16 pipenum;
unsigned long flags;
if (pipe == NULL)
return;
pipenum = pipe->info.pipenum;
if (pipenum == 0) {
kfree(hep->hcpriv);
hep->hcpriv = NULL;
return;
}
spin_lock_irqsave(&r8a66597->lock, flags);
pipe_stop(r8a66597, pipe);
pipe_irq_disable(r8a66597, pipenum);
disable_irq_empty(r8a66597, pipenum);
td = r8a66597_get_td(r8a66597, pipenum);
if (td)
urb = td->urb;
finish_request(r8a66597, td, pipenum, urb, -ESHUTDOWN);
kfree(hep->hcpriv);
hep->hcpriv = NULL;
spin_unlock_irqrestore(&r8a66597->lock, flags);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 179 | 97.81% | 1 | 33.33% |
| alan stern | alan stern | 4 | 2.19% | 2 | 66.67% |
| Total | 183 | 100.00% | 3 | 100.00% |
static int r8a66597_get_frame(struct usb_hcd *hcd)
{
struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
return r8a66597_read(r8a66597, FRMNUM) & 0x03FF;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 31 | 100.00% | 1 | 100.00% |
| Total | 31 | 100.00% | 1 | 100.00% |
static void collect_usb_address_map(struct usb_device *udev, unsigned long *map)
{
int chix;
struct usb_device *childdev;
if (udev->state == USB_STATE_CONFIGURED &&
udev->parent && udev->parent->devnum > 1 &&
udev->parent->descriptor.bDeviceClass == USB_CLASS_HUB)
map[udev->devnum/32] |= (1 << (udev->devnum % 32));
usb_hub_for_each_child(udev, chix, childdev)
collect_usb_address_map(childdev, map);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 77 | 85.56% | 1 | 50.00% |
| lan tianyu | lan tianyu | 13 | 14.44% | 1 | 50.00% |
| Total | 90 | 100.00% | 2 | 100.00% |
/* this function must be called with interrupt disabled */
static struct r8a66597_device *get_r8a66597_device(struct r8a66597 *r8a66597,
int addr)
{
struct r8a66597_device *dev;
struct list_head *list = &r8a66597->child_device;
list_for_each_entry(dev, list, device_list) {
if (dev->usb_address != addr)
continue;
return dev;
}
printk(KERN_ERR "r8a66597: get_r8a66597_device fail.(%d)\n", addr);
return NULL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 61 | 95.31% | 1 | 50.00% |
| greg kroah-hartman | greg kroah-hartman | 3 | 4.69% | 1 | 50.00% |
| Total | 64 | 100.00% | 2 | 100.00% |
static void update_usb_address_map(struct r8a66597 *r8a66597,
struct usb_device *root_hub,
unsigned long *map)
{
int i, j, addr;
unsigned long diff;
unsigned long flags;
for (i = 0; i < 4; i++) {
diff = r8a66597->child_connect_map[i] ^ map[i];
if (!diff)
continue;
for (j = 0; j < 32; j++) {
if (!(diff & (1 << j)))
continue;
addr = i * 32 + j;
if (map[i] & (1 << j))
set_child_connect_map(r8a66597, addr);
else {
struct r8a66597_device *dev;
spin_lock_irqsave(&r8a66597->lock, flags);
dev = get_r8a66597_device(r8a66597, addr);
disable_r8a66597_pipe_all(r8a66597, dev);
free_usb_address(r8a66597, dev, 0);
put_child_connect_map(r8a66597, addr);
spin_unlock_irqrestore(&r8a66597->lock, flags);
}
}
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 188 | 100.00% | 2 | 100.00% |
| Total | 188 | 100.00% | 2 | 100.00% |
static void r8a66597_check_detect_child(struct r8a66597 *r8a66597,
struct usb_hcd *hcd)
{
struct usb_bus *bus;
unsigned long now_map[4];
memset(now_map, 0, sizeof(now_map));
mutex_lock(&usb_bus_idr_lock);
bus = idr_find(&usb_bus_idr, hcd->self.busnum);
if (bus && bus->root_hub) {
collect_usb_address_map(bus->root_hub, now_map);
update_usb_address_map(r8a66597, bus->root_hub, now_map);
}
mutex_unlock(&usb_bus_idr_lock);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 70 | 72.92% | 1 | 33.33% |
| heiner kallweit | heiner kallweit | 26 | 27.08% | 2 | 66.67% |
| Total | 96 | 100.00% | 3 | 100.00% |
static int r8a66597_hub_status_data(struct usb_hcd *hcd, char *buf)
{
struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
unsigned long flags;
int i;
r8a66597_check_detect_child(r8a66597, hcd);
spin_lock_irqsave(&r8a66597->lock, flags);
*buf = 0; /* initialize (no change) */
for (i = 0; i < r8a66597->max_root_hub; i++) {
if (r8a66597->root_hub[i].port & 0xffff0000)
*buf |= 1 << (i + 1);
}
spin_unlock_irqrestore(&r8a66597->lock, flags);
return (*buf != 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 111 | 97.37% | 1 | 50.00% |
| magnus damm | magnus damm | 3 | 2.63% | 1 | 50.00% |
| Total | 114 | 100.00% | 2 | 100.00% |
static void r8a66597_hub_descriptor(struct r8a66597 *r8a66597,
struct usb_hub_descriptor *desc)
{
desc->bDescriptorType = USB_DT_HUB;
desc->bHubContrCurrent = 0;
desc->bNbrPorts = r8a66597->max_root_hub;
desc->bDescLength = 9;
desc->bPwrOn2PwrGood = 0;
desc->wHubCharacteristics =
cpu_to_le16(HUB_CHAR_INDV_PORT_LPSM | HUB_CHAR_NO_OCPM);
desc->u.hs.DeviceRemovable[0] =
((1 << r8a66597->max_root_hub) - 1) << 1;
desc->u.hs.DeviceRemovable[1] = ~0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 78 | 79.59% | 1 | 16.67% |
| john youn | john youn | 8 | 8.16% | 1 | 16.67% |
| magnus damm | magnus damm | 6 | 6.12% | 1 | 16.67% |
| sergei shtylyov | sergei shtylyov | 4 | 4.08% | 2 | 33.33% |
| sarah sharp | sarah sharp | 2 | 2.04% | 1 | 16.67% |
| Total | 98 | 100.00% | 6 | 100.00% |
static int r8a66597_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
u16 wIndex, char *buf, u16 wLength)
{
struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
int ret;
int port = (wIndex & 0x00FF) - 1;
struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
unsigned long flags;
ret = 0;
spin_lock_irqsave(&r8a66597->lock, flags);
switch (typeReq) {
case ClearHubFeature:
case SetHubFeature:
switch (wValue) {
case C_HUB_OVER_CURRENT:
case C_HUB_LOCAL_POWER:
break;
default:
goto error;
}
break;
case ClearPortFeature:
if (wIndex > r8a66597->max_root_hub)
goto error;
if (wLength != 0)
goto error;
switch (wValue) {
case USB_PORT_FEAT_ENABLE:
rh->port &= ~USB_PORT_STAT_POWER;
break;
case USB_PORT_FEAT_SUSPEND:
break;
case USB_PORT_FEAT_POWER:
r8a66597_port_power(r8a66597, port, 0);
break;
case USB_PORT_FEAT_C_ENABLE:
case USB_PORT_FEAT_C_SUSPEND:
case USB_PORT_FEAT_C_CONNECTION:
case USB_PORT_FEAT_C_OVER_CURRENT:
case USB_PORT_FEAT_C_RESET:
break;
default:
goto error;
}
rh->port &= ~(1 << wValue);
break;
case GetHubDescriptor:
r8a66597_hub_descriptor(r8a66597,
(struct usb_hub_descriptor *)buf);
break;
case GetHubStatus:
*buf = 0x00;
break;
case GetPortStatus:
if (wIndex > r8a66597->max_root_hub)
goto error;
*(__le32 *)buf = cpu_to_le32(rh->port);
break;
case SetPortFeature:
if (wIndex > r8a66597->max_root_hub)
goto error;
if (wLength != 0)
goto error;
switch (wValue) {
case USB_PORT_FEAT_SUSPEND:
break;
case USB_PORT_FEAT_POWER:
r8a66597_port_power(r8a66597, port, 1);
rh->port |= USB_PORT_STAT_POWER;
break;
case USB_PORT_FEAT_RESET: {
struct r8a66597_device *dev = rh->dev;
rh->port |= USB_PORT_STAT_RESET;
disable_r8a66597_pipe_all(r8a66597, dev);
free_usb_address(r8a66597, dev, 1);
r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT,
get_dvstctr_reg(port));
mod_timer(&r8a66597->rh_timer,
jiffies + msecs_to_jiffies(50));
}
break;
default:
goto error;
}
rh->port |= 1 << wValue;
break;
default:
error:
ret = -EPIPE;
break;
}
spin_unlock_irqrestore(&r8a66597->lock, flags);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 397 | 96.83% | 4 | 57.14% |
| magnus damm | magnus damm | 9 | 2.20% | 1 | 14.29% |
| alan stern | alan stern | 3 | 0.73% | 1 | 14.29% |
| al viro | al viro | 1 | 0.24% | 1 | 14.29% |
| Total | 410 | 100.00% | 7 | 100.00% |
#if defined(CONFIG_PM)
static int r8a66597_bus_suspend(struct usb_hcd *hcd)
{
struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
int port;
dev_dbg(&r8a66597->device0.udev->dev, "%s\n", __func__);
for (port = 0; port < r8a66597->max_root_hub; port++) {
struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
unsigned long dvstctr_reg = get_dvstctr_reg(port);
if (!(rh->port & USB_PORT_STAT_ENABLE))
continue;
dev_dbg(&rh->dev->udev->dev, "suspend port = %d\n", port);
r8a66597_bclr(r8a66597, UACT, dvstctr_reg); /* suspend */
rh->port |= USB_PORT_STAT_SUSPEND;
if (rh->dev->udev->do_remote_wakeup) {
msleep(3); /* waiting last SOF */
r8a66597_bset(r8a66597, RWUPE, dvstctr_reg);
r8a66597_write(r8a66597, ~BCHG, get_intsts_reg(port));
r8a66597_bset(r8a66597, BCHGE, get_intenb_reg(port));
}
}
r8a66597->bus_suspended = 1;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 157 | 85.33% | 1 | 25.00% |
| greg kroah-hartman | greg kroah-hartman | 22 | 11.96% | 1 | 25.00% |
| magnus damm | magnus damm | 3 | 1.63% | 1 | 25.00% |
| alan stern | alan stern | 2 | 1.09% | 1 | 25.00% |
| Total | 184 | 100.00% | 4 | 100.00% |
static int r8a66597_bus_resume(struct usb_hcd *hcd)
{
struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
int port;
dev_dbg(&r8a66597->device0.udev->dev, "%s\n", __func__);
for (port = 0; port < r8a66597->max_root_hub; port++) {
struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
unsigned long dvstctr_reg = get_dvstctr_reg(port);
if (!(rh->port & USB_PORT_STAT_SUSPEND))
continue;
dev_dbg(&rh->dev->udev->dev, "resume port = %d\n", port);
rh->port &= ~USB_PORT_STAT_SUSPEND;
rh->port |= USB_PORT_STAT_C_SUSPEND << 16;
r8a66597_mdfy(r8a66597, RESUME, RESUME | UACT, dvstctr_reg);
msleep(USB_RESUME_TIMEOUT);
r8a66597_mdfy(r8a66597, UACT, RESUME | UACT, dvstctr_reg);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 125 | 80.13% | 1 | 16.67% |
| greg kroah-hartman | greg kroah-hartman | 22 | 14.10% | 1 | 16.67% |
| alan stern | alan stern | 4 | 2.56% | 1 | 16.67% |
| magnus damm | magnus damm | 3 | 1.92% | 1 | 16.67% |
| felipe balbi | felipe balbi | 1 | 0.64% | 1 | 16.67% |
| kuninori morimoto | kuninori morimoto | 1 | 0.64% | 1 | 16.67% |
| Total | 156 | 100.00% | 6 | 100.00% |
#else
#define r8a66597_bus_suspend NULL
#define r8a66597_bus_resume NULL
#endif
static struct hc_driver r8a66597_hc_driver = {
.description = hcd_name,
.hcd_priv_size = sizeof(struct r8a66597),
.irq = r8a66597_irq,
/*
* generic hardware linkage
*/
.flags = HCD_USB2,
.start = r8a66597_start,
.stop = r8a66597_stop,
/*
* managing i/o requests and associated device resources
*/
.urb_enqueue = r8a66597_urb_enqueue,
.urb_dequeue = r8a66597_urb_dequeue,
.endpoint_disable = r8a66597_endpoint_disable,
/*
* periodic schedule support
*/
.get_frame_number = r8a66597_get_frame,
/*
* root hub support
*/
.hub_status_data = r8a66597_hub_status_data,
.hub_control = r8a66597_hub_control,
.bus_suspend = r8a66597_bus_suspend,
.bus_resume = r8a66597_bus_resume,
};
#if defined(CONFIG_PM)
static int r8a66597_suspend(struct device *dev)
{
struct r8a66597 *r8a66597 = dev_get_drvdata(dev);
int port;
dev_dbg(dev, "%s\n", __func__);
disable_controller(r8a66597);
for (port = 0; port < r8a66597->max_root_hub; port++) {
struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
rh->port = 0x00000000;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 68 | 88.31% | 2 | 40.00% |
| magnus damm | magnus damm | 5 | 6.49% | 2 | 40.00% |
| greg kroah-hartman | greg kroah-hartman | 4 | 5.19% | 1 | 20.00% |
| Total | 77 | 100.00% | 5 | 100.00% |
static int r8a66597_resume(struct device *dev)
{
struct r8a66597 *r8a66597 = dev_get_drvdata(dev);
struct usb_hcd *hcd = r8a66597_to_hcd(r8a66597);
dev_dbg(dev, "%s\n", __func__);
enable_controller(r8a66597);
usb_root_hub_lost_power(hcd->self.root_hub);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 51 | 89.47% | 2 | 50.00% |
| greg kroah-hartman | greg kroah-hartman | 4 | 7.02% | 1 | 25.00% |
| magnus damm | magnus damm | 2 | 3.51% | 1 | 25.00% |
| Total | 57 | 100.00% | 4 | 100.00% |
static const struct dev_pm_ops r8a66597_dev_pm_ops = {
.suspend = r8a66597_suspend,
.resume = r8a66597_resume,
.poweroff = r8a66597_suspend,
.restore = r8a66597_resume,
};
#define R8A66597_DEV_PM_OPS (&r8a66597_dev_pm_ops)
#else /* if defined(CONFIG_PM) */
#define R8A66597_DEV_PM_OPS NULL
#endif
static int r8a66597_remove(struct platform_device *pdev)
{
struct r8a66597 *r8a66597 = platform_get_drvdata(pdev);
struct usb_hcd *hcd = r8a66597_to_hcd(r8a66597);
del_timer_sync(&r8a66597->rh_timer);
usb_remove_hcd(hcd);
iounmap(r8a66597->reg);
if (r8a66597->pdata->on_chip)
clk_put(r8a66597->clk);
usb_put_hcd(hcd);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 58 | 78.38% | 2 | 40.00% |
| magnus damm | magnus damm | 15 | 20.27% | 2 | 40.00% |
| libo chen | libo chen | 1 | 1.35% | 1 | 20.00% |
| Total | 74 | 100.00% | 5 | 100.00% |
static int r8a66597_probe(struct platform_device *pdev)
{
char clk_name[8];
struct resource *res = NULL, *ires;
int irq = -1;
void __iomem *reg = NULL;
struct usb_hcd *hcd = NULL;
struct r8a66597 *r8a66597;
int ret = 0;
int i;
unsigned long irq_trigger;
if (usb_disabled())
return -ENODEV;
if (pdev->dev.dma_mask) {
ret = -EINVAL;
dev_err(&pdev->dev, "dma not supported\n");
goto clean_up;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
ret = -ENODEV;
dev_err(&pdev->dev, "platform_get_resource error.\n");
goto clean_up;
}
ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!ires) {
ret = -ENODEV;
dev_err(&pdev->dev,
"platform_get_resource IORESOURCE_IRQ error.\n");
goto clean_up;
}
irq = ires->start;
irq_trigger = ires->flags & IRQF_TRIGGER_MASK;
reg = ioremap(res->start, resource_size(res));
if (reg == NULL) {
ret = -ENOMEM;
dev_err(&pdev->dev, "ioremap error.\n");
goto clean_up;
}
if (pdev->dev.platform_data == NULL) {
dev_err(&pdev->dev, "no platform data\n");
ret = -ENODEV;
goto clean_up;
}
/* initialize hcd */
hcd = usb_create_hcd(&r8a66597_hc_driver, &pdev->dev, (char *)hcd_name);
if (!hcd) {
ret = -ENOMEM;
dev_err(&pdev->dev, "Failed to create hcd\n");
goto clean_up;
}
r8a66597 = hcd_to_r8a66597(hcd);
memset(r8a66597, 0, sizeof(struct r8a66597));
platform_set_drvdata(pdev, r8a66597);
r8a66597->pdata = dev_get_platdata(&pdev->dev);
r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW;
if (r8a66597->pdata->on_chip) {
snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id);
r8a66597->clk = clk_get(&pdev->dev, clk_name);
if (IS_ERR(r8a66597->clk)) {
dev_err(&pdev->dev, "cannot get clock \"%s\"\n",
clk_name);
ret = PTR_ERR(r8a66597->clk);
goto clean_up2;
}
r8a66597->max_root_hub = 1;
} else
r8a66597->max_root_hub = 2;
spin_lock_init(&r8a66597->lock);
setup_timer(&r8a66597->rh_timer, r8a66597_timer,
(unsigned long)r8a66597);
r8a66597->reg = reg;
/* make sure no interrupts are pending */
ret = r8a66597_clock_enable(r8a66597);
if (ret < 0)
goto clean_up3;
disable_controller(r8a66597);
for (i = 0; i < R8A66597_MAX_NUM_PIPE; i++) {
INIT_LIST_HEAD(&r8a66597->pipe_queue[i]);
setup_timer(&r8a66597->td_timer[i], r8a66597_td_timer,
(unsigned long)r8a66597);
setup_timer(&r8a66597->interval_timer[i],
r8a66597_interval_timer,
(unsigned long)r8a66597);
}
INIT_LIST_HEAD(&r8a66597->child_device);
hcd->rsrc_start = res->start;
hcd->has_tt = 1;
ret = usb_add_hcd(hcd, irq, irq_trigger);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to add hcd\n");
goto clean_up3;
}
device_wakeup_enable(hcd->self.controller);
return 0;
clean_up3:
if (r8a66597->pdata->on_chip)
clk_put(r8a66597->clk);
clean_up2:
usb_put_hcd(hcd);
clean_up:
if (reg)
iounmap(reg);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 417 | 63.47% | 5 | 31.25% |
| magnus damm | magnus damm | 145 | 22.07% | 4 | 25.00% |
| greg kroah-hartman | greg kroah-hartman | 41 | 6.24% | 1 | 6.25% |
| marc zyngier | marc zyngier | 23 | 3.50% | 1 | 6.25% |
| peter chen | peter chen | 9 | 1.37% | 1 | 6.25% |
| tobias klauser | tobias klauser | 9 | 1.37% | 1 | 6.25% |
| julia lawall | julia lawall | 8 | 1.22% | 1 | 6.25% |
| jingoo han | jingoo han | 4 | 0.61% | 1 | 6.25% |
| libo chen | libo chen | 1 | 0.15% | 1 | 6.25% |
| Total | 657 | 100.00% | 16 | 100.00% |
static struct platform_driver r8a66597_driver = {
.probe = r8a66597_probe,
.remove = r8a66597_remove,
.driver = {
.name = hcd_name,
.pm = R8A66597_DEV_PM_OPS,
},
};
module_platform_driver(r8a66597_driver);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yoshihiro shimoda | yoshihiro shimoda | 12123 | 91.28% | 20 | 30.77% |
| magnus damm | magnus damm | 413 | 3.11% | 5 | 7.69% |
| alan stern | alan stern | 225 | 1.69% | 8 | 12.31% |
| greg kroah-hartman | greg kroah-hartman | 200 | 1.51% | 4 | 6.15% |
| paul mundt | paul mundt | 159 | 1.20% | 2 | 3.08% |
| julia lawall | julia lawall | 33 | 0.25% | 3 | 4.62% |
| heiner kallweit | heiner kallweit | 26 | 0.20% | 2 | 3.08% |
| marc zyngier | marc zyngier | 23 | 0.17% | 1 | 1.54% |
| lan tianyu | lan tianyu | 13 | 0.10% | 1 | 1.54% |
| tobias klauser | tobias klauser | 10 | 0.08% | 1 | 1.54% |
| peter chen | peter chen | 9 | 0.07% | 1 | 1.54% |
| john youn | john youn | 8 | 0.06% | 1 | 1.54% |
| kay sievers | kay sievers | 7 | 0.05% | 1 | 1.54% |
| al viro | al viro | 4 | 0.03% | 1 | 1.54% |
| sergei shtylyov | sergei shtylyov | 4 | 0.03% | 2 | 3.08% |
| jingoo han | jingoo han | 4 | 0.03% | 1 | 1.54% |
| eric lescouet | eric lescouet | 3 | 0.02% | 1 | 1.54% |
| lei ming | lei ming | 3 | 0.02% | 1 | 1.54% |
| tejun heo | tejun heo | 3 | 0.02% | 1 | 1.54% |
| kuninori morimoto | kuninori morimoto | 2 | 0.02% | 2 | 3.08% |
| laurent pinchart | laurent pinchart | 2 | 0.02% | 1 | 1.54% |
| sarah sharp | sarah sharp | 2 | 0.02% | 1 | 1.54% |
| libo chen | libo chen | 2 | 0.02% | 1 | 1.54% |
| nobuhiro iwamatsu | nobuhiro iwamatsu | 1 | 0.01% | 1 | 1.54% |
| alexey dobriyan | alexey dobriyan | 1 | 0.01% | 1 | 1.54% |
| felipe balbi | felipe balbi | 1 | 0.01% | 1 | 1.54% |
| Total | 13281 | 100.00% | 65 | 100.00% |
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