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cyb4_linux/drivers/usb/host/ohci-s3c2410.c

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/*
* OHCI HCD (Host Controller Driver) for USB.
*
* (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
* (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
* (C) Copyright 2002 Hewlett-Packard Company
*
* USB Bus Glue for Samsung S3C2410
*
* Written by Christopher Hoover <ch@hpl.hp.com>
* Based on fragments of previous driver by Rusell King et al.
*
* Modified for S3C2410 from ohci-sa1111.c, ohci-omap.c and ohci-lh7a40.c
* by Ben Dooks, <ben@simtec.co.uk>
* Copyright (C) 2004 Simtec Electronics
*
* Thanks to basprog@mail.ru for updates to newer kernels
*
* This file is licenced under the GPL.
*/
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <asm/hardware.h>
#include <asm/arch/usb-control.h>
#include <asm/arch/regs-gpio.h>
#include <asm/arch/regs-udc-hs.h>
#include <linux/major.h> //Qisda, Leo SJ Yang, 2009/08/31, for 3G power
#if defined(CONFIG_CPU_S3C6400)
#include <asm/arch/regs-s3c6400-clock.h>
#elif defined(CONFIG_CPU_S3C6410)
#include <asm/arch/regs-s3c6410-clock.h>
#endif
#include <asm/arch/regs-s3c2416-clock.h>
#define USB_HOST_PORT2_EN 0
/*Qisda,Leo SJ Yang,2009/09/09{*/
/*Fix 3G Module can not work after running mass storage*/
#ifdef CONFIG_USB_GADGET
extern char g_EMUSBTestIsOK;
#endif
/*}Qisda,Leo SJ Yang,2009/09/09*/
/*Fix 3G Module can not work after running mass storage*/
#if (USB_HOST_PORT2_EN == 1) && (CONFIG_PLAT_S3C64XX == 1)
#include <asm/arch/regs-usb-otg-hs.h>
#endif
/*Qisda , wenny cheng , 20091224 , board id info {*/
#include <../include/asm-arm/plat-s3c24xx/common-smdk.h>
extern int board_id;
/*Qisda , wenny cheng , 20091224 , board id info }*/
#define valid_port(idx) ((idx) == 1 || (idx) == 2)
/* clock device associated with the hcd */
static struct clk *clk;
static struct clk *usb_clk;
#if (USB_HOST_PORT2_EN == 1) && (CONFIG_PLAT_S3C64XX == 1)
static struct clk *otg_clk;
#endif
/* forward definitions */
static void s3c2410_hcd_oc(struct s3c2410_hcd_info *info, int port_oc);
/* conversion functions */
static struct s3c2410_hcd_info *to_s3c2410_info(struct usb_hcd *hcd)
{
return hcd->self.controller->platform_data;
}
static void s3c2410_start_hc(struct platform_device *dev, struct usb_hcd *hcd)
{
struct s3c2410_hcd_info *info = dev->dev.platform_data;
dev_dbg(&dev->dev, "s3c2410_start_hc:\n");
clk_enable(usb_clk);
mdelay(2); /* let the bus clock stabilise */
clk_enable(clk);
#if (USB_HOST_PORT2_EN == 1) && (CONFIG_PLAT_S3C64XX == 1)
clk_enable(otg_clk);
#endif
if (info != NULL) {
info->hcd = hcd;
info->report_oc = s3c2410_hcd_oc;
if (info->enable_oc != NULL) {
(info->enable_oc)(info, 1);
}
}
}
static void s3c2410_stop_hc(struct platform_device *dev)
{
struct s3c2410_hcd_info *info = dev->dev.platform_data;
dev_dbg(&dev->dev, "s3c2410_stop_hc:\n");
if (info != NULL) {
info->report_oc = NULL;
info->hcd = NULL;
if (info->enable_oc != NULL) {
(info->enable_oc)(info, 0);
}
}
clk_disable(clk);
clk_disable(usb_clk);
}
/* ohci_s3c2410_hub_status_data
*
* update the status data from the hub with anything that
* has been detected by our system
*/
static int
ohci_s3c2410_hub_status_data (struct usb_hcd *hcd, char *buf)
{
struct s3c2410_hcd_info *info = to_s3c2410_info(hcd);
struct s3c2410_hcd_port *port;
int orig;
int portno;
orig = ohci_hub_status_data (hcd, buf);
if (info == NULL)
return orig;
port = &info->port[0];
/* mark any changed port as changed */
for (portno = 0; portno < 2; port++, portno++) {
if (port->oc_changed == 1 &&
port->flags & S3C_HCDFLG_USED) {
dev_dbg(hcd->self.controller,
"oc change on port %d\n", portno);
if (orig < 1)
orig = 1;
buf[0] |= 1<<(portno+1);
}
}
return orig;
}
/* s3c2410_usb_set_power
*
* configure the power on a port, by calling the platform device
* routine registered with the platform device
*/
static void s3c2410_usb_set_power(struct s3c2410_hcd_info *info,
int port, int to)
{
if (info == NULL)
return;
if (info->power_control != NULL) {
info->port[port-1].power = to;
(info->power_control)(port-1, to);
}
}
/* ohci_s3c2410_hub_control
*
* look at control requests to the hub, and see if we need
* to take any action or over-ride the results from the
* request.
*/
static int ohci_s3c2410_hub_control (
struct usb_hcd *hcd,
u16 typeReq,
u16 wValue,
u16 wIndex,
char *buf,
u16 wLength)
{
struct s3c2410_hcd_info *info = to_s3c2410_info(hcd);
struct usb_hub_descriptor *desc;
int ret = -EINVAL;
u32 *data = (u32 *)buf;
dev_dbg(hcd->self.controller,
"s3c2410_hub_control(%p,0x%04x,0x%04x,0x%04x,%p,%04x)\n",
hcd, typeReq, wValue, wIndex, buf, wLength);
/* if we are only an humble host without any special capabilities
* process the request straight away and exit */
if (info == NULL) {
ret = ohci_hub_control(hcd, typeReq, wValue,
wIndex, buf, wLength);
goto out;
}
/* check the request to see if it needs handling */
switch (typeReq) {
case SetPortFeature:
if (wValue == USB_PORT_FEAT_POWER) {
dev_dbg(hcd->self.controller, "SetPortFeat: POWER\n");
s3c2410_usb_set_power(info, wIndex, 1);
goto out;
}
break;
case ClearPortFeature:
switch (wValue) {
case USB_PORT_FEAT_C_OVER_CURRENT:
dev_dbg(hcd->self.controller,
"ClearPortFeature: C_OVER_CURRENT\n");
if (valid_port(wIndex)) {
info->port[wIndex-1].oc_changed = 0;
info->port[wIndex-1].oc_status = 0;
}
goto out;
case USB_PORT_FEAT_OVER_CURRENT:
dev_dbg(hcd->self.controller,
"ClearPortFeature: OVER_CURRENT\n");
if (valid_port(wIndex)) {
info->port[wIndex-1].oc_status = 0;
}
goto out;
case USB_PORT_FEAT_POWER:
dev_dbg(hcd->self.controller,
"ClearPortFeature: POWER\n");
if (valid_port(wIndex)) {
s3c2410_usb_set_power(info, wIndex, 0);
return 0;
}
}
break;
}
ret = ohci_hub_control(hcd, typeReq, wValue, wIndex, buf, wLength);
if (ret)
goto out;
switch (typeReq) {
case GetHubDescriptor:
/* update the hub's descriptor */
desc = (struct usb_hub_descriptor *)buf;
if (info->power_control == NULL)
return ret;
dev_dbg(hcd->self.controller, "wHubCharacteristics 0x%04x\n",
desc->wHubCharacteristics);
/* remove the old configurations for power-switching, and
* over-current protection, and insert our new configuration
*/
desc->wHubCharacteristics &= ~cpu_to_le16(HUB_CHAR_LPSM);
desc->wHubCharacteristics |= cpu_to_le16(0x0001);
if (info->enable_oc) {
desc->wHubCharacteristics &= ~cpu_to_le16(HUB_CHAR_OCPM);
desc->wHubCharacteristics |= cpu_to_le16(0x0008|0x0001);
}
dev_dbg(hcd->self.controller, "wHubCharacteristics after 0x%04x\n",
desc->wHubCharacteristics);
return ret;
case GetPortStatus:
/* check port status */
dev_dbg(hcd->self.controller, "GetPortStatus(%d)\n", wIndex);
if (valid_port(wIndex)) {
if (info->port[wIndex-1].oc_changed) {
*data |= cpu_to_le32(RH_PS_OCIC);
}
if (info->port[wIndex-1].oc_status) {
*data |= cpu_to_le32(RH_PS_POCI);
}
}
}
out:
return ret;
}
/* s3c2410_hcd_oc
*
* handle an over-current report
*/
static void s3c2410_hcd_oc(struct s3c2410_hcd_info *info, int port_oc)
{
struct s3c2410_hcd_port *port;
struct usb_hcd *hcd;
unsigned long flags;
int portno;
if (info == NULL)
return;
port = &info->port[0];
hcd = info->hcd;
local_irq_save(flags);
for (portno = 0; portno < 2; port++, portno++) {
if (port_oc & (1<<portno) &&
port->flags & S3C_HCDFLG_USED) {
port->oc_status = 1;
port->oc_changed = 1;
/* ok, once over-current is detected,
the port needs to be powered down */
s3c2410_usb_set_power(info, portno+1, 0);
}
}
local_irq_restore(flags);
}
/* may be called without controller electrically present */
/* may be called with controller, bus, and devices active */
/*
* usb_hcd_s3c2410_remove - shutdown processing for HCD
* @dev: USB Host Controller being removed
* Context: !in_interrupt()
*
* Reverses the effect of usb_hcd_3c2410_probe(), first invoking
* the HCD's stop() method. It is always called from a thread
* context, normally "rmmod", "apmd", or something similar.
*
*/
static void
usb_hcd_s3c2410_remove (struct usb_hcd *hcd, struct platform_device *dev)
{
usb_remove_hcd(hcd);
s3c2410_stop_hc(dev);
iounmap(hcd->regs);
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
#ifdef CONFIG_QISDA_E600_EVT2
writel((readl(S3C2410_GPHDAT)&~(1<<11)),S3C2410_GPHDAT);
writel(readl(S3C2410_GPHDAT)&~(1<<8), S3C2410_GPHDAT);
//#elif CONFIG_QISDA_AS090B00_EVT1
#else
/*Qisda,Leo SJ Yang,2009/09/09{*/
/*Fix 3G Module can not work after running mass storage*/
#ifdef CONFIG_USB_GADGET
if( g_EMUSBTestIsOK!=1)
{
writel((readl(S3C2410_GPHDAT)&~(1<<14)),S3C2410_GPHDAT);
}
#endif
/*}Qisda,Leo SJ Yang,2009/09/09*/
/*Fix 3G Module can not work after running mass storage*/
writel((readl(S3C2410_GPHDAT)&~(1<<11)),S3C2410_GPHDAT);
writel(readl(S3C2410_GPHDAT)&~(1<<8), S3C2410_GPHDAT);
#endif
}
//Qisda, Leo SJ Yang, 2009/08/31, for 3G power {
#define S3C_3G_POWER_ON 1
#define S3C_3G_POWER_OFF 2
#define USB_3G_DEVICE_POWER_STATE 10
/*Qisda, 2009/10/9 Leo SJ Yang*/
/*fix the problem,the message
"show can not enable port" is printed
when there is no 3G module {*/
struct usb_hcd *g_phcd=NULL;
struct platform_device *g_pdev=NULL;
struct hc_driver *g_pdriver=NULL;
/*}Qisda, 2009/10/9 Leo SJ Yang*/
/*fix the problem,the message
"show can not enable port" is printed
when there is no 3G module */
static int s3c_3G_open(struct inode *inode, struct file *file)
{
return 0;
}
/*Qisda Leo SJ Yang,2009/12/10*/
/*Fix the issue, the 3G can not work after playing audio{*/
static int usb20_phy_init(void)
{
long reg=0;
#if 0
s3c2410_gpio_pullup(S3C2443_GPH14, 2); /* usb power pull-up enable */
s3c2410_gpio_pullup(S3C2410_GPF2, 0); /* vbus detect pull-up/down disable */
s3c2410_gpio_cfgpin(S3C2443_GPH14, S3C2443_GPH14_OUTP);
s3c2410_gpio_setpin(S3C2443_GPH14, 1); /* usb power enbale */
#endif
writel(((readl(S3C2410_GPHCON) & ~(1<<29)) | 1<<28), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<14), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPHCON) & ~(1<<17)) | 1<<16), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) &~(1<<8), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPHCON) & ~(1<<23)) | 1<<22), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) &~(1<<11), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPGCON) & ~(1<<7)) | 1<<6), S3C2410_GPGCON);
/*Qisda , wenny cheng , 20091224 , board id info {*/
if(board_id==QD090B00_S02)
writel(readl(S3C2410_GPGDAT) |(1<<3), S3C2410_GPGDAT);
/*Qisda , wenny cheng , 20091224 , board id info }*/
//s3c2410_gpio_pullup(S3C2410_GPG3, 2); /* usb power enbale */
//mdelay(100);
/*2009/10/21 ,Qisda,Leo SJ Yang*/
/*3G will voltage over 3.6V if charging capcity for 100 msec*/
/*change the time of charging from 100 msec to 65 msec{*/
mdelay(65);
/*}2009/10/21 ,Qisda,Leo SJ Yang*/
writel(readl(S3C2410_GPHDAT) |(1<<11), S3C2410_GPHDAT);
s3c2410_gpio_pullup(S3C2410_GPH11, 2); /* usb power enbale */
mdelay(1);
/*Qisda , wenny cheng , 20091224 , board id info {*/
if(board_id==QD090B00_S02)
writel(readl(S3C2410_GPGDAT) &~(1<<3), S3C2410_GPGDAT);
/*Qisda , wenny cheng , 20091224 , board id info }*/
//s3c2410_gpio_pullup(S3C2410_GPG3, 1); /* usb power enbale */
mdelay(1);
writel(((readl(S3C2410_GPHCON) & ~(1<<17)) | 1<<16), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<8), S3C2410_GPHDAT);
s3c2410_gpio_pullup(S3C2410_GPH8, 2); /* usb power enbale */
s3c2410_gpio_pullup(S3C2410_GPH9, 2); /* usb power enbale */
#if 0
/* if reset by sleep wakeup, control the retention I/O cell */
if (readl(S3C_RSTSTAT) & 0x8)
writel(readl(S3C_RSTCON)|(1<<16), S3C_RSTCON);
/* USB Port is Normal mode */
writel(readl(S3C2410_MISCCR)&~(1<<12), S3C2410_MISCCR);
/* PHY power enable */
writel(readl(S3C_PWRCFG)|(1<<4), S3C_PWRCFG);
/* USB device 2.0 must reset like bellow,
* 1st phy reset and after at least 10us, func_reset & host reset
* phy reset can reset bellow registers.
*/
/* PHY 2.0 S/W reset */
writel((1<<1)|(0<<0), S3C_URSTCON);
mdelay(1); /* phy reset must be asserted for at 10us */
/*Function 2.0, Host 1.1 S/W reset*/
writel((0<<1)|(1<<0), S3C_URSTCON);
writel((0<<1)|(0<<0), S3C_URSTCON);
/* 48Mhz,Oscillator,External X-tal,device */
writel((0<<3)|(1<<2)|(1<<1)|(0<<0), S3C_PHYCTRL);
/* 48Mhz clock on ,PHY2.0 analog block power on
* XO block power on,XO block power in suspend mode,
* PHY 2.0 Pll power on ,suspend signal for save mode disable
*/
writel((1<<31)|(0<<4)|(0<<3)|(0<<2)|(0<<1)|(0<<0), S3C_PHYPWR);
/* D+ pull up disable(VBUS detect), USB2.0 Function clock Disable,
* USB1.1 HOST Enable, USB2.0 PHY test enable
*/
//__raw_writel((0<<31)|(0<<2)|(1<<1)|(1<<0), S3C_UCLKCON);
//__raw_writel((1<<31)|(1<<4)|(0<<2)|(1<<1)|(1<<0), S3C_UCLKCON);
#endif
//writel((0<<3)|(1<<2)|(1<<1)|(0<<0), S3C_PHYCTRL);
reg=readl(S3C_PHYCTRL);
reg|=(1<<1);
writel(reg, S3C_PHYCTRL);
reg=readl(S3C_UCLKCON);
reg|=(1<<4);
writel(reg, S3C_UCLKCON);
return 0;
}
/*}Qisda Leo SJ Yang 2009/12/10 2009/12/10*/
/*Fix the issue, the 3G can not work after playing audio*/
static int s3c_3G_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
{
int retval;
static char s3c_3Gpower_off = 1;
static int USB_3G_POWER_SAVING = 0;
switch(cmd){
case S3C_3G_POWER_ON:
USB_3G_DEVICE_POWER_STATE_D0:
if(USB_3G_POWER_SAVING == 1){
//printk("\n== D1 -> D0\n");
writel(((readl(S3C2410_GPHCON) & ~(1<<17)) | 1<<16), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<8), S3C2410_GPHDAT);
USB_3G_POWER_SAVING = 0;
return 0;
}
/*Qisda Leo SJ Yang, 2009/12/10*/
/*Fix the issue, the 3G can not work after playing audio{*/
#if 0
#ifdef CONFIG_QISDA_E600_EVT2
writel(((readl(S3C2410_GPHCON) & ~(1<<29)) | 1<<28), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<14), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPHCON) & ~(1<<17)) | 1<<16), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<8), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPHCON) & ~(1<<23)) | 1<<22), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<11), S3C2410_GPHDAT);
s3c2410_gpio_cfgpin(S3C2410_GPD14, S3C2410_GPD14_OUTP);
s3c2410_gpio_setpin(S3C2410_GPD14,1); /* usb power enbale */
#endif //CONFIG_QISDA_E600_EVT2
#ifdef CONFIG_QISDA_AS090B00_EVT1
/*Qisda,Leo.SJ.Yang,2009/09/21{*/
/*Avoid 3G module comsumes more current during turn on 3G power*/
/*set 3G_DIABLE pin as high after set 3G_DISABLE pin as low delay 3 second*/
writel(((readl(S3C2410_GPHCON) & ~(1<<29)) | 1<<28), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<14), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPHCON) & ~(1<<17)) | 1<<16), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) &~(1<<8), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPHCON) & ~(1<<23)) | 1<<22), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<11), S3C2410_GPHDAT);
mdelay(5000);
writel(readl(S3C2410_GPHDAT)|(1<<8), S3C2410_GPHDAT);
/*}Qisda,Leo.SJ.Yang,2009/09/21*/
/*Avoid 3G module comsumes more int retval;current during turn on 3G power*/
/*set 3G_DIABLE pin as high after set 3G_DISABLE pin as low delay 3 second*/
#endif //CONFIG_QISDA_AS090B00_EVT1
#if defined(CONFIG_QISDA_AS090B00_EVT1_1)||defined(CONFIG_QISDA_QD090B00_EVT1)
writel(((readl(S3C2410_GPHCON) & ~(1<<29)) | 1<<28), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<14), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPHCON) & ~(1<<17)) | 1<<16), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) &~(1<<8), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPHCON) & ~(1<<23)) | 1<<22), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) &~(1<<11), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPGCON) & ~(1<<7)) | 1<<6), S3C2410_GPGCON);
/*Qisda , wenny cheng , 20091224 , board id info {*/
if(board_id==QD090B00_S02)
writel(readl(S3C2410_GPGDAT) |(1<<3), S3C2410_GPGDAT);
/*Qisda , wenny cheng , 20091224 , board id info }*/
//s3c2410_gpio_pullup(S3C2410_GPG3, 2); /* usb power enbale */
//mdelay(100);
/*2009/10/21 ,Qisda,Leo SJ Yang*/
/*3G will voltage over 3.6V if charging capcity for 100 msec*/
/*change the time of charging from 100 msec to 65 msec{*/
mdelay(65);
/*}2009/10/21 ,Qisda,Leo SJ Yang*/
writel(readl(S3C2410_GPHDAT) |(1<<11), S3C2410_GPHDAT);
s3c2410_gpio_pullup(S3C2410_GPH11, 2); /* usb power enbale */
mdelay(1);
/*Qisda , wenny cheng , 20091224 , board id info {*/
if(board_id==QD090B00_S02)
writel(readl(S3C2410_GPGDAT) &~(1<<3), S3C2410_GPGDAT);
/*Qisda , wenny cheng , 20091224 , board id info }*/
//s3c2410_gpio_pullup(S3C2410_GPG3, 1); /* usb power enbale */
mdelay(1);
writel(((readl(S3C2410_GPHCON) & ~(1<<17)) | 1<<16), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<8), S3C2410_GPHDAT);
s3c2410_gpio_pullup(S3C2410_GPH8, 2); /* usb power enbale */
s3c2410_gpio_pullup(S3C2410_GPH9, 2); /* usb power enbale */
#endif //CONFIG_QISDA_AS090B00_EVT1_1
#endif
usb20_phy_init();
/*}Qisda Leo SJ Yang 2009/12/10*/
/*Fix the issue,the 3G can not work after playing audio*/
s3c_3Gpower_off = 0;
if(g_phcd==NULL)
{
s3c2410_usb_set_power(g_pdev->dev.platform_data, 1, 1);
s3c2410_usb_set_power(g_pdev->dev.platform_data, 2, 1);
g_phcd = usb_create_hcd(g_pdriver, &g_pdev->dev, "s3c24xx");
if (g_phcd == NULL)
return -ENOMEM;
g_phcd->rsrc_start = g_pdev->resource[0].start;
g_phcd->rsrc_len = g_pdev->resource[0].end - g_pdev->resource[0].start + 1;
if (!request_mem_region(g_phcd->rsrc_start,g_phcd->rsrc_len, hcd_name)) {
dev_err(&g_pdev->dev, "request_mem_region failed");
retval = -EBUSY;
goto err_put;
}
clk = clk_get(&g_pdev->dev, "usb-host");
if (IS_ERR(clk)) {
dev_err(&g_pdev->dev, "cannot get usb-host clock\n");
retval = -ENOENT;
goto err_mem;
}
#if !defined(CONFIG_CPU_S3C6400) && !defined(CONFIG_CPU_S3C6410)
usb_clk = clk_get(&g_pdev->dev, "usb-bus-host");
if (IS_ERR(usb_clk)) {
dev_err(&g_pdev->dev, "cannot get usb-host clock\n");
retval = -ENOENT;
goto err_clk;
}
#endif
s3c2410_start_hc(g_pdev,g_phcd);
g_phcd->regs = ioremap(g_phcd->rsrc_start,g_phcd->rsrc_len);
if (!g_phcd->regs) {
dev_err(&g_pdev->dev, "ioremap failed\n");
retval = -ENOMEM;
goto err_ioremap;
}
ohci_hcd_init(hcd_to_ohci(g_phcd));
retval = usb_add_hcd(g_phcd, g_pdev->resource[1].start, IRQF_DISABLED);
if (retval != 0)
goto err_ioremap;
return 0;
err_ioremap:
s3c2410_stop_hc(g_pdev);
iounmap(g_phcd->regs);
clk_put(usb_clk);
#if !defined(CONFIG_CPU_S3C6400) && !defined(CONFIG_CPU_S3C6410)
err_clk:
clk_put(clk);
#endif
err_mem:
release_mem_region(g_phcd->rsrc_start,g_phcd->rsrc_len);
err_put:
usb_put_hcd(g_phcd);
}
break;
case S3C_3G_POWER_OFF:
USB_3G_DEVICE_POWER_STATE_D3:
//printk("S3C_WIFI_POWER_OFF");
if(!s3c_3Gpower_off){
#ifdef CONFIG_QISDA_E600_EVT1_1
writel((readl(S3C2410_GPHDAT)&~(1<<11)),S3C2410_GPHDAT);
writel(readl(S3C2410_GPHDAT)&~(1<<8), S3C2410_GPHDAT);
#endif
#ifdef CONFIG_QISDA_AS090B00_EVT1
/*Qisda,Leo SJ Yang,2009/09/09{*/
/*Fix 3G Module can not work after running mass storage*/
#ifdef CONFIG_USB_GADGET
if( g_EMUSBTestIsOK!=1)
{
writel((readl(S3C2410_GPHDAT)&~(1<<14)),S3C2410_GPHDAT);
}
#endif
/*}Qisda,Leo SJ Yang,2009/09/09*/
/*Fix 3G Module can not work after running mass storage*/
writel((readl(S3C2410_GPHDAT)&~(1<<11)),S3C2410_GPHDAT);
writel(readl(S3C2410_GPHDAT)&~(1<<8), S3C2410_GPHDAT);
#endif
#if defined(CONFIG_QISDA_AS090B00_EVT1_1)|| defined(CONFIG_QISDA_QD090B00_EVT1)
writel((readl(S3C2410_GPHDAT)&~(1<<11)),S3C2410_GPHDAT);
writel(readl(S3C2410_GPHDAT)&~(1<<8), S3C2410_GPHDAT);
/*Qisda , wenny cheng , 20091224 , board id info {*/
if(board_id==QD090B00_S02)
writel((readl(S3C2410_GPGDAT)&~(1<<3)),S3C2410_GPGDAT);
/*Qisda , wenny cheng , 20091224 , board id info }*/
s3c2410_gpio_pullup(S3C2410_GPH11, 1); /* usb power enbale */
s3c2410_gpio_pullup(S3C2410_GPH8, 1); /* usb power enbale */
#endif
s3c_3Gpower_off = 1;
USB_3G_POWER_SAVING = 0;
}
break;
case USB_3G_DEVICE_POWER_STATE:
printk("\nUSB_3G_DEVICE_POWER_STATE: %d\n", arg);
#if defined(CONFIG_QISDA_AS090B00_EVT1_1)|| defined(CONFIG_QISDA_QD090B00_EVT1)
if(arg == 0){
goto USB_3G_DEVICE_POWER_STATE_D0;
}
else if(arg == 3){
goto USB_3G_DEVICE_POWER_STATE_D3;
}
else if((arg == 2) || (arg == 1)){
if(!s3c_3Gpower_off){
//printk("\nGPH8 low\n");
writel(((readl(S3C2410_GPHCON) & ~(1<<17)) | 1<<16), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) & ~(1<<8), S3C2410_GPHDAT);
s3c2410_gpio_pullup(S3C2410_GPH8, 1); /* usb power enbale */
USB_3G_POWER_SAVING = 1;
}
}
#endif
break;
default:
printk("no this command\n");
break;
}
return 0;
}
/* File operations struct for character device */
static const struct file_operations s3c_3G_fops = {
.owner = THIS_MODULE,
.ioctl = s3c_3G_ioctl,
.open = s3c_3G_open,
.release = NULL
};
//Qisda, Leo SJ Yang, 2009/08/31, for 3G power }
/**/
/**
* usb_hcd_s3c2410_probe - initialize S3C2410-based HCDs
* Context: !in_interrupt()
*
* Allocates basic resources for this USB host controller, and
* then invokes the start() methint retval;int retval;od for the HCD associated with it
* through the hotplug entry's driver_data.
*
*/
static int usb_hcd_s3c2410_probe (const struct hc_driver *driver,
struct platform_device *dev)
{
// struct usb_hcd *hcd = NULL;
// int retval;
g_pdev=dev;
g_pdriver=driver;
/*Qisda,Leo SJ Yang,2009/09/10{*/
/*Mark the code that is not used */
#if 0
#if defined(CONFIG_CPU_S3C2450) || defined(CONFIG_CPU_S3C2416)
/* USB host Power enable */
s3c2410_gpio_cfgpin(S3C2410_GPB4, S3C2410_GPB4_OUTP);
s3c2410_gpio_pullup(S3C2410_GPB4, 0);
s3c2410_gpio_setpin(S3C2410_GPB4, 1);
#endif
#endif
/*}Qisda,Leo SJ Yang,2009/09/10*/
/*Mark the code that is not used */
#if (USB_HOST_PORT2_EN == 1) && (CONFIG_PLAT_S3C64XX == 1)
/* set USB_SIG_MASK */
__raw_writel( __raw_readl(S3C_OTHERS)|(1<<16), S3C_OTHERS);
/* Initializes OTG PHY */
__raw_writel(0x0, S3C_USBOTG_PHYPWR);
raw_writel(0x60, S3C_USBOTG_PHYCLK);
__raw_writel(0x1, S3C_USBOTG_RSTCON);
udelay(20);
__raw_writel(0x0, S3C_USBOTG_RSTCON);
udelay(20);
#endif
#ifdef CONFIG_QISDA_E600_EVT0
/*Qisda,2009/7/29,Leo SJ Yang{*/
/*HW EVT0,Config C_MODE,USB_SEL,USB20_EN for USB Host*/
//GPH14
writel(((readl(S3C2410_GPHCON) & ~(1<<29)) | 1<<28), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<14), S3C2410_GPHDAT);
//GPK6
writel(((readl(S3C2416_GPKCON) & ~(1<<13)) | 1<<12), S3C2416_GPKCON);
writel(readl(S3C2416_GPKDAT)&~( 1<<6), S3C2416_GPKDAT);
//GPK12
writel(((readl(S3C2416_GPKCON) & ~(1<<23)) | 1<<22), S3C2416_GPKCON);
writel(readl(S3C2416_GPKDAT)|( 1<<11), S3C2416_GPKDAT);
/*}Qisda,2009/7/29,Leo SJ Yang*/
/*HW EVT0,Config C_MODE,USB_SEL,USB20_EN for USB Host*/
#endif
#ifdef CONFIG_QISDA_E600_EVT2
writel(((readl(S3C2410_GPHCON) & ~(1<<29)) | 1<<28), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<14), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPHCON) & ~(1<<17)) | 1<<16), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<8), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPHCON) & ~(1<<23)) | 1<<22), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<11), S3C410_GPHDAT);
writel(((readl(S3C2410_GPHCON) & ~(1<<19)) | 1<<18), S3C2410_GPHCON);
s3c2410_gpio_cfgpin(S3C2410_GPD14, S3C2410_GPD14_OUTP);
s3c2410_gpio_setpin(S3C2410_GPD14,1); /* usb power enbale */
/*}Qisda,Leo SJ Yang,2009/08/31,add file operation for enable and disable 3G Module*/
#endif
#ifdef CONFIG_QISDA_AS090B00_EVT1
/*Qisda,Leo SJ Yang,2009/09/09{*/
/*Fix 3G Module can not work after running mass storage*/
writel(((readl(S3C2410_GPHCON) & ~(1<<29)) | 1<<28), S3C2410_GPHCON);
if( g_EMUSBTestIsOK!=1)
writel(readl(S3C2410_GPHDAT)&~(1<<14), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPHCON) & ~(1<<17)) | 1<<16), S3C2410_GPHCON);
writel(((readl(S3C2410_GPHCON) & ~(1<<23)) | 1<<22), S3C2410_GPHCON);
writel((readl(S3C2410_GPHDAT)&~(1<<11)),S3C2410_GPHDAT);
writel(readl(S3C2410_GPHDAT)&~(1<<8), S3C2410_GPHDAT);
/*}Qisda,Leo SJ Yang,2009/09/09*/
/*Fix 3G Module can not work after running mass storage*/
#endif
#if defined(CONFIG_QISDA_AS090B00_EVT1_1)||defined(CONFIG_QISDA_QD090B00_EVT1)
writel(((readl(S3C2410_GPHCON) & ~(1<<29)) | 1<<28), S3C2410_GPHCON);
writel(readl(S3C2410_GPHDAT) |(1<<14), S3C2410_GPHDAT);
writel(((readl(S3C2410_GPHCON) & ~(1<<17)) | 1<<16), S3C2410_GPHCON);
writel(((readl(S3C2410_GPHCON) & ~(1<<23)) | 1<<22), S3C2410_GPHCON);
writel(((readl(S3C2410_GPGCON) & ~(1<<7)) | 1<<6), S3C2410_GPGCON);
writel((readl(S3C2410_GPHDAT)&~(1<<11)),S3C2410_GPHDAT); //on/off
writel(readl(S3C2410_GPHDAT)&~(1<<8), S3C2410_GPHDAT);//disable
/*Qisda , wenny cheng , 20091224 , board id info {*/
if(board_id==QD090B00_S02)
writel(readl(S3C2410_GPGDAT)&~(1<<3), S3C2410_GPGDAT);//audio reset
/*Qisda , wenny cheng , 20091224 , board id info }*/
#endif
if (register_chrdev (S3C_3G_MAJOR, "s3c_3G_cmd", &s3c_3G_fops)) {
printk("unable to get major S3C_3G_MAJOR\n");
}
#if 0
s3c2410_usb_set_power(dev->dev.platform_data, 1, 1);
s3c2410_usb_set_power(dev->dev.platform_data, 2, 1);
hcd = usb_create_hcd(driver, &dev->dev, "s3c24xx");
if (hcd == NULL)
return -ENOMEM;
hcd->rsrc_start = dev->resource[0].start;
hcd->rsrc_len = dev->resource[0].end - dev->resource[0].start + 1;
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
dev_err(&dev->dev, "request_mem_region failed");
retval = -EBUSY;
goto err_put;
}
clk = clk_get(&dev->dev, "usb-host");
if (IS_ERR(clk)) {
dev_err(&dev->dev, "cannot get usb-host clock\n");
retval = -ENOENT;
goto err_mem;
}
#if (USB_HOST_PORT2_EN == 1) && (CONFIG_PLAT_S3C64XX == 1)
otg_clk = clk_get(&dev->dev, "otg");
if (IS_ERR(clk)) {
dev_err(&dev->dev, "cannot get otg clock\n");
retval = -ENOENT;
goto err_mem;
}
#endif
#if !defined(CONFIG_CPU_S3C6400) && !defined(CONFIG_CPU_S3C6410)
usb_clk = clk_get(&dev->dev, "usb-bus-host");
if (IS_ERR(usb_clk)) {
dev_err(&dev->dev, "cannot get usb-host clock\n");
retval = -ENOENT;
goto err_clk;
}
#endif
s3c2410_start_hc(dev, hcd);
hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
if (!hcd->regs) {
dev_err(&dev->dev, "ioremap failed\n");
retval = -ENOMEM;
goto err_ioremap;
}
ohci_hcd_init(hcd_to_ohci(hcd));
retval = usb_add_hcd(hcd, dev->resource[1].start, IRQF_DISABLED);
if (retval != 0)
goto err_ioremap;
return 0;
err_ioremap:
s3c2410_stop_hc(dev);
iounmap(hcd->regs);
clk_put(usb_clk);
#if !defined(CONFIG_CPU_S3C6400) && !defined(CONFIG_CPU_S3C6410)
err_clk:
clk_put(clk);
#endif
err_mem:
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
err_put:
usb_put_hcd(hcd);
return retval;
#endif
return 0;
}
/*-------------------------------------------------------------------------*/
static int
ohci_s3c2410_start (struct usb_hcd *hcd)
{
struct ohci_hcd *ohci = hcd_to_ohci (hcd);
int ret;
if ((ret = ohci_init(ohci)) < 0)
return ret;
if ((ret = ohci_run (ohci)) < 0) {
err ("can't start %s", hcd->self.bus_name);
ohci_stop (hcd);
return ret;
}
return 0;
}
static const struct hc_driver ohci_s3c2410_hc_driver = {
.description = hcd_name,
.product_desc = "S3C24XX OHCI",
.hcd_priv_size = sizeof(struct ohci_hcd),
/*
* generic hardware linkage
*/
.irq = ohci_irq,
.flags = HCD_USB11 | HCD_MEMORY,
/*
* basic lifecycle operations
*/
.start = ohci_s3c2410_start,
.stop = ohci_stop,
.shutdown = ohci_shutdown,
/*
* managing i/o requests and associated device resources
*/
.urb_enqueue = ohci_urb_enqueue,
.urb_dequeue = ohci_urb_dequeue,
.endpoint_disable = ohci_endpoint_disable,
/*
* scheduling support
*/
.get_frame_number = ohci_get_frame,
/*
* root hub support
*/
.hub_status_data = ohci_s3c2410_hub_status_data,
.hub_control = ohci_s3c2410_hub_control,
.hub_irq_enable = ohci_rhsc_enable,
#ifdef CONFIG_PM
.bus_suspend = ohci_bus_suspend,
.bus_resume = ohci_bus_resume,
#endif
.start_port_reset = ohci_start_port_reset,
};
/* device driver */
static int ohci_hcd_s3c2410_drv_probe(struct platform_device *pdev)
{
return usb_hcd_s3c2410_probe(&ohci_s3c2410_hc_driver, pdev);
}
static int ohci_hcd_s3c2410_drv_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = platform_get_drvdata(pdev);
usb_hcd_s3c2410_remove(hcd, pdev);
return 0;
}
static int ohci_hcd_s3c2410_drv_shutdown(struct platform_device *pdev)
{
return 0;
}
static struct platform_driver ohci_hcd_s3c2410_driver = {
.probe = ohci_hcd_s3c2410_drv_probe,
.remove = ohci_hcd_s3c2410_drv_remove,
//.shutdown = usb_hcd_platform_shutdown,
/*2009/10/21 Qisda Leo SJ Yang*/
/*system crash after executing reboot{*/
.shutdown =ohci_hcd_s3c2410_drv_shutdown,
/*}2009/10/21 Qisda Leo SJ Yang*/
/*system crash after executing reboot*/
/*.suspend = ohci_hcd_s3c2410_drv_suspend, */
/*.resume = ohci_hcd_s3c2410_drv_resume, */
.driver = {
.owner = THIS_MODULE,
.name = "s3c2410-ohci",
},
};
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