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-rw-r--r--drivers/usb/host/ehci-dbg.c2
-rw-r--r--drivers/usb/host/ehci-q.c9
-rw-r--r--drivers/usb/host/ehci-sched.c13
-rw-r--r--drivers/usb/host/ehci.h5
-rw-r--r--drivers/usb/host/isp116x-hcd.c4
-rw-r--r--drivers/usb/host/ohci-hcd.c5
-rw-r--r--drivers/usb/host/ohci-s3c2410.c496
7 files changed, 522 insertions, 12 deletions
diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index 50cb0183107..b01efb6b36f 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -527,7 +527,7 @@ show_periodic (struct class_device *class_dev, char *buf)
p.qh->period,
le32_to_cpup (&p.qh->hw_info2)
/* uframe masks */
- & 0xffff,
+ & (QH_CMASK | QH_SMASK),
p.qh);
size -= temp;
next += temp;
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index d74b2d68a50..20df01a79b2 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -222,7 +222,7 @@ __acquires(ehci->lock)
struct ehci_qh *qh = (struct ehci_qh *) urb->hcpriv;
/* S-mask in a QH means it's an interrupt urb */
- if ((qh->hw_info2 & __constant_cpu_to_le32 (0x00ff)) != 0) {
+ if ((qh->hw_info2 & __constant_cpu_to_le32 (QH_SMASK)) != 0) {
/* ... update hc-wide periodic stats (for usbfs) */
ehci_to_hcd(ehci)->self.bandwidth_int_reqs--;
@@ -428,7 +428,8 @@ halt:
/* should be rare for periodic transfers,
* except maybe high bandwidth ...
*/
- if (qh->period) {
+ if ((__constant_cpu_to_le32 (QH_SMASK)
+ & qh->hw_info2) != 0) {
intr_deschedule (ehci, qh);
(void) qh_schedule (ehci, qh);
} else
@@ -657,8 +658,8 @@ qh_make (
* For control/bulk requests, the HC or TT handles these.
*/
if (type == PIPE_INTERRUPT) {
- qh->usecs = usb_calc_bus_time (USB_SPEED_HIGH, is_input, 0,
- hb_mult (maxp) * max_packet (maxp));
+ qh->usecs = NS_TO_US (usb_calc_bus_time (USB_SPEED_HIGH, is_input, 0,
+ hb_mult (maxp) * max_packet (maxp)));
qh->start = NO_FRAME;
if (urb->dev->speed == USB_SPEED_HIGH) {
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 9af4f64532a..b56f25864ed 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -301,7 +301,7 @@ static int qh_link_periodic (struct ehci_hcd *ehci, struct ehci_qh *qh)
dev_dbg (&qh->dev->dev,
"link qh%d-%04x/%p start %d [%d/%d us]\n",
- period, le32_to_cpup (&qh->hw_info2) & 0xffff,
+ period, le32_to_cpup (&qh->hw_info2) & (QH_CMASK | QH_SMASK),
qh, qh->start, qh->usecs, qh->c_usecs);
/* high bandwidth, or otherwise every microframe */
@@ -385,7 +385,8 @@ static void qh_unlink_periodic (struct ehci_hcd *ehci, struct ehci_qh *qh)
dev_dbg (&qh->dev->dev,
"unlink qh%d-%04x/%p start %d [%d/%d us]\n",
- qh->period, le32_to_cpup (&qh->hw_info2) & 0xffff,
+ qh->period,
+ le32_to_cpup (&qh->hw_info2) & (QH_CMASK | QH_SMASK),
qh, qh->start, qh->usecs, qh->c_usecs);
/* qh->qh_next still "live" to HC */
@@ -411,7 +412,7 @@ static void intr_deschedule (struct ehci_hcd *ehci, struct ehci_qh *qh)
* active high speed queues may need bigger delays...
*/
if (list_empty (&qh->qtd_list)
- || (__constant_cpu_to_le32 (0x0ff << 8)
+ || (__constant_cpu_to_le32 (QH_CMASK)
& qh->hw_info2) != 0)
wait = 2;
else
@@ -533,7 +534,7 @@ static int qh_schedule (struct ehci_hcd *ehci, struct ehci_qh *qh)
/* reuse the previous schedule slots, if we can */
if (frame < qh->period) {
- uframe = ffs (le32_to_cpup (&qh->hw_info2) & 0x00ff);
+ uframe = ffs (le32_to_cpup (&qh->hw_info2) & QH_SMASK);
status = check_intr_schedule (ehci, frame, --uframe,
qh, &c_mask);
} else {
@@ -569,10 +570,10 @@ static int qh_schedule (struct ehci_hcd *ehci, struct ehci_qh *qh)
qh->start = frame;
/* reset S-frame and (maybe) C-frame masks */
- qh->hw_info2 &= __constant_cpu_to_le32 (~0xffff);
+ qh->hw_info2 &= __constant_cpu_to_le32(~(QH_CMASK | QH_SMASK));
qh->hw_info2 |= qh->period
? cpu_to_le32 (1 << uframe)
- : __constant_cpu_to_le32 (0xff);
+ : __constant_cpu_to_le32 (QH_SMASK);
qh->hw_info2 |= c_mask;
} else
ehci_dbg (ehci, "reused qh %p schedule\n", qh);
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 4df49823175..a7542157534 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -385,6 +385,11 @@ struct ehci_qh {
__le32 hw_info1; /* see EHCI 3.6.2 */
#define QH_HEAD 0x00008000
__le32 hw_info2; /* see EHCI 3.6.2 */
+#define QH_SMASK 0x000000ff
+#define QH_CMASK 0x0000ff00
+#define QH_HUBADDR 0x007f0000
+#define QH_HUBPORT 0x3f800000
+#define QH_MULT 0xc0000000
__le32 hw_current; /* qtd list - see EHCI 3.6.4 */
/* qtd overlay (hardware parts of a struct ehci_qtd) */
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index 50b1970fe6b..76cb496c583 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -229,9 +229,11 @@ static void preproc_atl_queue(struct isp116x *isp116x)
struct isp116x_ep *ep;
struct urb *urb;
struct ptd *ptd;
- u16 toggle = 0, dir = PTD_DIR_SETUP, len;
+ u16 len;
for (ep = isp116x->atl_active; ep; ep = ep->active) {
+ u16 toggle = 0, dir = PTD_DIR_SETUP;
+
BUG_ON(list_empty(&ep->hep->urb_list));
urb = container_of(ep->hep->urb_list.next,
struct urb, urb_list);
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 68decab280d..56b43f2a0e5 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -887,6 +887,10 @@ MODULE_LICENSE ("GPL");
#include "ohci-sa1111.c"
#endif
+#ifdef CONFIG_ARCH_S3C2410
+#include "ohci-s3c2410.c"
+#endif
+
#ifdef CONFIG_ARCH_OMAP
#include "ohci-omap.c"
#endif
@@ -909,6 +913,7 @@ MODULE_LICENSE ("GPL");
#if !(defined(CONFIG_PCI) \
|| defined(CONFIG_SA1111) \
+ || defined(CONFIG_ARCH_S3C2410) \
|| defined(CONFIG_ARCH_OMAP) \
|| defined (CONFIG_ARCH_LH7A404) \
|| defined (CONFIG_PXA27x) \
diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
new file mode 100644
index 00000000000..e9401662503
--- /dev/null
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -0,0 +1,496 @@
+/*
+ * 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 <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/hardware/clock.h>
+#include <asm/arch/usb-control.h>
+
+#define valid_port(idx) ((idx) == 1 || (idx) == 2)
+
+/* clock device associated with the hcd */
+
+static struct clk *clk;
+
+/* forward definitions */
+
+static void s3c2410_hcd_oc(struct s3c2410_hcd_info *info, int port_oc);
+
+/* conversion functions */
+
+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(clk);
+
+ 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);
+}
+
+/* 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, 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 capabilites
+ * 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.
+ *
+*/
+
+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);
+}
+
+/**
+ * usb_hcd_s3c2410_probe - initialize S3C2410-based HCDs
+ * Context: !in_interrupt()
+ *
+ * Allocates basic resources for this USB host controller, and
+ * then invokes the start() method for the HCD associated with it
+ * through the hotplug entry's driver_data.
+ *
+ */
+int usb_hcd_s3c2410_probe (const struct hc_driver *driver,
+ struct platform_device *dev)
+{
+ struct usb_hcd *hcd = NULL;
+ int retval;
+
+ s3c2410_usb_set_power(dev->dev.platform_data, 0, 1);
+ s3c2410_usb_set_power(dev->dev.platform_data, 1, 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 err0;
+ }
+
+ clk = clk_get(NULL, "usb-host");
+ if (IS_ERR(clk)) {
+ dev_err(&dev->dev, "cannot get usb-host clock\n");
+ retval = -ENOENT;
+ goto err1;
+ }
+
+ clk_use(clk);
+ 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 err2;
+ }
+
+ ohci_hcd_init(hcd_to_ohci(hcd));
+
+ retval = usb_add_hcd(hcd, dev->resource[1].start, SA_INTERRUPT);
+ if (retval != 0)
+ goto err2;
+
+ return 0;
+
+ err2:
+ s3c2410_stop_hc(dev);
+ iounmap(hcd->regs);
+ clk_unuse(clk);
+ clk_put(clk);
+
+ err1:
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+
+ err0:
+ usb_put_hcd(hcd);
+ return retval;
+}
+
+/*-------------------------------------------------------------------------*/
+
+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,
+
+ /*
+ * 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,
+
+#if defined(CONFIG_USB_SUSPEND) && 0
+ .hub_suspend = ohci_hub_suspend,
+ .hub_resume = ohci_hub_resume,
+#endif
+};
+
+/* device driver */
+
+static int ohci_hcd_s3c2410_drv_probe(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ return usb_hcd_s3c2410_probe(&ohci_s3c2410_hc_driver, pdev);
+}
+
+static int ohci_hcd_s3c2410_drv_remove(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct usb_hcd *hcd = dev_get_drvdata(dev);
+
+ usb_hcd_s3c2410_remove(hcd, pdev);
+ return 0;
+}
+
+static struct device_driver ohci_hcd_s3c2410_driver = {
+ .name = "s3c2410-ohci",
+ .bus = &platform_bus_type,
+ .probe = ohci_hcd_s3c2410_drv_probe,
+ .remove = ohci_hcd_s3c2410_drv_remove,
+ /*.suspend = ohci_hcd_s3c2410_drv_suspend, */
+ /*.resume = ohci_hcd_s3c2410_drv_resume, */
+};
+
+static int __init ohci_hcd_s3c2410_init (void)
+{
+ return driver_register(&ohci_hcd_s3c2410_driver);
+}
+
+static void __exit ohci_hcd_s3c2410_cleanup (void)
+{
+ driver_unregister(&ohci_hcd_s3c2410_driver);
+}
+
+module_init (ohci_hcd_s3c2410_init);
+module_exit (ohci_hcd_s3c2410_cleanup);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 21:32:52 +0000