#include "ohci.h"
#define OHCI_CONTROL_INIT OHCI_CTRL_CBSR
#define OHCI_INTR_INIT (OHCI_INTR_MIE | OHCI_INTR_UE | OHCI_INTR_RD | \
- OHCI_INTR_WDH)
+ OHCI_INTR_WDH)
MODULE_AUTHOR("Tony Olech - Elan Digital Systems Limited");
MODULE_DESCRIPTION("U132 USB Host Controller Driver");
MODULE_LICENSE("GPL");
static int distrust_firmware = 1;
module_param(distrust_firmware, bool, 0);
MODULE_PARM_DESC(distrust_firmware, "true to distrust firmware power/overcurren"
- "t setup");
+ "t setup");
static DECLARE_WAIT_QUEUE_HEAD(u132_hcd_wait);
/*
* u132_module_lock exists to protect access to global variables
*
*/
static struct mutex u132_module_lock;
-static int u132_exiting = 0;
-static int u132_instances = 0;
+static int u132_exiting;
+static int u132_instances;
static struct list_head u132_static_list;
/*
* end of the global variables protected by u132_module_lock
#define MAX_U132_ENDPS 100
#define MAX_U132_RINGS 4
static const char *cc_to_text[16] = {
- "No Error ",
- "CRC Error ",
- "Bit Stuff ",
- "Data Togg ",
- "Stall ",
- "DevNotResp ",
- "PIDCheck ",
- "UnExpPID ",
- "DataOver ",
- "DataUnder ",
- "(for hw) ",
- "(for hw) ",
- "BufferOver ",
- "BuffUnder ",
- "(for HCD) ",
- "(for HCD) "
+ "No Error ",
+ "CRC Error ",
+ "Bit Stuff ",
+ "Data Togg ",
+ "Stall ",
+ "DevNotResp ",
+ "PIDCheck ",
+ "UnExpPID ",
+ "DataOver ",
+ "DataUnder ",
+ "(for hw) ",
+ "(for hw) ",
+ "BufferOver ",
+ "BuffUnder ",
+ "(for HCD) ",
+ "(for HCD) "
};
struct u132_port {
- struct u132 *u132;
- int reset;
- int enable;
- int power;
- int Status;
+ struct u132 *u132;
+ int reset;
+ int enable;
+ int power;
+ int Status;
};
struct u132_addr {
- u8 address;
+ u8 address;
};
struct u132_udev {
- struct kref kref;
- struct usb_device *usb_device;
- u8 enumeration;
- u8 udev_number;
- u8 usb_addr;
- u8 portnumber;
- u8 endp_number_in[16];
- u8 endp_number_out[16];
+ struct kref kref;
+ struct usb_device *usb_device;
+ u8 enumeration;
+ u8 udev_number;
+ u8 usb_addr;
+ u8 portnumber;
+ u8 endp_number_in[16];
+ u8 endp_number_out[16];
};
#define ENDP_QUEUE_SHIFT 3
#define ENDP_QUEUE_SIZE (1<<ENDP_QUEUE_SHIFT)
#define ENDP_QUEUE_MASK (ENDP_QUEUE_SIZE-1)
struct u132_urbq {
- struct list_head urb_more;
- struct urb *urb;
+ struct list_head urb_more;
+ struct urb *urb;
};
struct u132_spin {
- spinlock_t slock;
+ spinlock_t slock;
};
struct u132_endp {
- struct kref kref;
- u8 udev_number;
- u8 endp_number;
- u8 usb_addr;
- u8 usb_endp;
- struct u132 *u132;
- struct list_head endp_ring;
- struct u132_ring *ring;
- unsigned toggle_bits:2;
- unsigned active:1;
- unsigned delayed:1;
- unsigned input:1;
- unsigned output:1;
- unsigned pipetype:2;
- unsigned dequeueing:1;
- unsigned edset_flush:1;
- unsigned spare_bits:14;
- unsigned long jiffies;
- struct usb_host_endpoint *hep;
- struct u132_spin queue_lock;
- u16 queue_size;
- u16 queue_last;
- u16 queue_next;
- struct urb *urb_list[ENDP_QUEUE_SIZE];
- struct list_head urb_more;
- struct delayed_work scheduler;
+ struct kref kref;
+ u8 udev_number;
+ u8 endp_number;
+ u8 usb_addr;
+ u8 usb_endp;
+ struct u132 *u132;
+ struct list_head endp_ring;
+ struct u132_ring *ring;
+ unsigned toggle_bits:2;
+ unsigned active:1;
+ unsigned delayed:1;
+ unsigned input:1;
+ unsigned output:1;
+ unsigned pipetype:2;
+ unsigned dequeueing:1;
+ unsigned edset_flush:1;
+ unsigned spare_bits:14;
+ unsigned long jiffies;
+ struct usb_host_endpoint *hep;
+ struct u132_spin queue_lock;
+ u16 queue_size;
+ u16 queue_last;
+ u16 queue_next;
+ struct urb *urb_list[ENDP_QUEUE_SIZE];
+ struct list_head urb_more;
+ struct delayed_work scheduler;
};
struct u132_ring {
- unsigned in_use:1;
- unsigned length:7;
- u8 number;
- struct u132 *u132;
- struct u132_endp *curr_endp;
- struct delayed_work scheduler;
+ unsigned in_use:1;
+ unsigned length:7;
+ u8 number;
+ struct u132 *u132;
+ struct u132_endp *curr_endp;
+ struct delayed_work scheduler;
};
struct u132 {
- struct kref kref;
- struct list_head u132_list;
- struct mutex sw_lock;
- struct semaphore scheduler_lock;
- struct u132_platform_data *board;
- struct platform_device *platform_dev;
- struct u132_ring ring[MAX_U132_RINGS];
- int sequence_num;
- int going;
- int power;
- int reset;
- int num_ports;
- u32 hc_control;
- u32 hc_fminterval;
- u32 hc_roothub_status;
- u32 hc_roothub_a;
- u32 hc_roothub_portstatus[MAX_ROOT_PORTS];
- int flags;
- unsigned long next_statechange;
- struct delayed_work monitor;
- int num_endpoints;
- struct u132_addr addr[MAX_U132_ADDRS];
- struct u132_udev udev[MAX_U132_UDEVS];
- struct u132_port port[MAX_U132_PORTS];
- struct u132_endp *endp[MAX_U132_ENDPS];
+ struct kref kref;
+ struct list_head u132_list;
+ struct mutex sw_lock;
+ struct semaphore scheduler_lock;
+ struct u132_platform_data *board;
+ struct platform_device *platform_dev;
+ struct u132_ring ring[MAX_U132_RINGS];
+ int sequence_num;
+ int going;
+ int power;
+ int reset;
+ int num_ports;
+ u32 hc_control;
+ u32 hc_fminterval;
+ u32 hc_roothub_status;
+ u32 hc_roothub_a;
+ u32 hc_roothub_portstatus[MAX_ROOT_PORTS];
+ int flags;
+ unsigned long next_statechange;
+ struct delayed_work monitor;
+ int num_endpoints;
+ struct u132_addr addr[MAX_U132_ADDRS];
+ struct u132_udev udev[MAX_U132_UDEVS];
+ struct u132_port port[MAX_U132_PORTS];
+ struct u132_endp *endp[MAX_U132_ENDPS];
};
/*
* Does anyone have a better way?????
*/
#define ftdi_read_pcimem(pdev, member, data) usb_ftdi_elan_read_pcimem(pdev, \
- offsetof(struct ohci_regs, member), 0, data);
+ offsetof(struct ohci_regs, member), 0, data);
#define ftdi_write_pcimem(pdev, member, data) usb_ftdi_elan_write_pcimem(pdev, \
- offsetof(struct ohci_regs, member), 0, data);
+ offsetof(struct ohci_regs, member), 0, data);
#define u132_read_pcimem(u132, member, data) \
- usb_ftdi_elan_read_pcimem(u132->platform_dev, offsetof(struct \
- ohci_regs, member), 0, data);
+ usb_ftdi_elan_read_pcimem(u132->platform_dev, offsetof(struct \
+ ohci_regs, member), 0, data);
#define u132_write_pcimem(u132, member, data) \
- usb_ftdi_elan_write_pcimem(u132->platform_dev, offsetof(struct \
- ohci_regs, member), 0, data);
+ usb_ftdi_elan_write_pcimem(u132->platform_dev, offsetof(struct \
+ ohci_regs, member), 0, data);
static inline struct u132 *udev_to_u132(struct u132_udev *udev)
{
- u8 udev_number = udev->udev_number;
- return container_of(udev, struct u132, udev[udev_number]);
+ u8 udev_number = udev->udev_number;
+ return container_of(udev, struct u132, udev[udev_number]);
}
static inline struct u132 *hcd_to_u132(struct usb_hcd *hcd)
{
- return (struct u132 *)(hcd->hcd_priv);
+ return (struct u132 *)(hcd->hcd_priv);
}
static inline struct usb_hcd *u132_to_hcd(struct u132 *u132)
{
- return container_of((void *)u132, struct usb_hcd, hcd_priv);
+ return container_of((void *)u132, struct usb_hcd, hcd_priv);
}
static inline void u132_disable(struct u132 *u132)
{
- u132_to_hcd(u132)->state = HC_STATE_HALT;
+ u132_to_hcd(u132)->state = HC_STATE_HALT;
}
#include "../misc/usb_u132.h"
static const char hcd_name[] = "u132_hcd";
#define PORT_C_MASK ((USB_PORT_STAT_C_CONNECTION | USB_PORT_STAT_C_ENABLE | \
- USB_PORT_STAT_C_SUSPEND | USB_PORT_STAT_C_OVERCURRENT | \
- USB_PORT_STAT_C_RESET) << 16)
+ USB_PORT_STAT_C_SUSPEND | USB_PORT_STAT_C_OVERCURRENT | \
+ USB_PORT_STAT_C_RESET) << 16)
static void u132_hcd_delete(struct kref *kref)
{
- struct u132 *u132 = kref_to_u132(kref);
- struct platform_device *pdev = u132->platform_dev;
- struct usb_hcd *hcd = u132_to_hcd(u132);
- u132->going += 1;
- mutex_lock(&u132_module_lock);
- list_del_init(&u132->u132_list);
- u132_instances -= 1;
- mutex_unlock(&u132_module_lock);
- dev_warn(&u132->platform_dev->dev, "FREEING the hcd=%p and thus the u13"
- "2=%p going=%d pdev=%p\n", hcd, u132, u132->going, pdev);
- usb_put_hcd(hcd);
+ struct u132 *u132 = kref_to_u132(kref);
+ struct platform_device *pdev = u132->platform_dev;
+ struct usb_hcd *hcd = u132_to_hcd(u132);
+ u132->going += 1;
+ mutex_lock(&u132_module_lock);
+ list_del_init(&u132->u132_list);
+ u132_instances -= 1;
+ mutex_unlock(&u132_module_lock);
+ dev_warn(&u132->platform_dev->dev, "FREEING the hcd=%p and thus the u13"
+ "2=%p going=%d pdev=%p\n", hcd, u132, u132->going, pdev);
+ usb_put_hcd(hcd);
}
static inline void u132_u132_put_kref(struct u132 *u132)
{
- kref_put(&u132->kref, u132_hcd_delete);
+ kref_put(&u132->kref, u132_hcd_delete);
}
static inline void u132_u132_init_kref(struct u132 *u132)
{
- kref_init(&u132->kref);
+ kref_init(&u132->kref);
}
static void u132_udev_delete(struct kref *kref)
{
- struct u132_udev *udev = kref_to_u132_udev(kref);
- udev->udev_number = 0;
- udev->usb_device = NULL;
- udev->usb_addr = 0;
- udev->enumeration = 0;
+ struct u132_udev *udev = kref_to_u132_udev(kref);
+ udev->udev_number = 0;
+ udev->usb_device = NULL;
+ udev->usb_addr = 0;
+ udev->enumeration = 0;
}
static inline void u132_udev_put_kref(struct u132 *u132, struct u132_udev *udev)
{
- kref_put(&udev->kref, u132_udev_delete);
+ kref_put(&udev->kref, u132_udev_delete);
}
static inline void u132_udev_get_kref(struct u132 *u132, struct u132_udev *udev)
{
- kref_get(&udev->kref);
+ kref_get(&udev->kref);
}
static inline void u132_udev_init_kref(struct u132 *u132,
- struct u132_udev *udev)
+ struct u132_udev *udev)
{
- kref_init(&udev->kref);
+ kref_init(&udev->kref);
}
static inline void u132_ring_put_kref(struct u132 *u132, struct u132_ring *ring)
{
- kref_put(&u132->kref, u132_hcd_delete);
+ kref_put(&u132->kref, u132_hcd_delete);
}
static void u132_ring_requeue_work(struct u132 *u132, struct u132_ring *ring,
- unsigned int delta)
+ unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(workqueue, &ring->scheduler, delta))
- return;
- } else if (queue_delayed_work(workqueue, &ring->scheduler, 0))
- return;
- kref_put(&u132->kref, u132_hcd_delete);
- return;
+ if (delta > 0) {
+ if (queue_delayed_work(workqueue, &ring->scheduler, delta))
+ return;
+ } else if (queue_delayed_work(workqueue, &ring->scheduler, 0))
+ return;
+ kref_put(&u132->kref, u132_hcd_delete);
+ return;
}
static void u132_ring_queue_work(struct u132 *u132, struct u132_ring *ring,
- unsigned int delta)
+ unsigned int delta)
{
- kref_get(&u132->kref);
- u132_ring_requeue_work(u132, ring, delta);
- return;
+ kref_get(&u132->kref);
+ u132_ring_requeue_work(u132, ring, delta);
+ return;
}
static void u132_ring_cancel_work(struct u132 *u132, struct u132_ring *ring)
{
- if (cancel_delayed_work(&ring->scheduler)) {
- kref_put(&u132->kref, u132_hcd_delete);
- }
+ if (cancel_delayed_work(&ring->scheduler))
+ kref_put(&u132->kref, u132_hcd_delete);
}
static void u132_endp_delete(struct kref *kref)
{
- struct u132_endp *endp = kref_to_u132_endp(kref);
- struct u132 *u132 = endp->u132;
- u8 usb_addr = endp->usb_addr;
- u8 usb_endp = endp->usb_endp;
- u8 address = u132->addr[usb_addr].address;
- struct u132_udev *udev = &u132->udev[address];
- u8 endp_number = endp->endp_number;
- struct usb_host_endpoint *hep = endp->hep;
- struct u132_ring *ring = endp->ring;
- struct list_head *head = &endp->endp_ring;
- ring->length -= 1;
- if (endp == ring->curr_endp) {
- if (list_empty(head)) {
- ring->curr_endp = NULL;
- list_del(head);
- } else {
- struct u132_endp *next_endp = list_entry(head->next,
- struct u132_endp, endp_ring);
- ring->curr_endp = next_endp;
- list_del(head);
- }} else
- list_del(head);
- if (endp->input) {
- udev->endp_number_in[usb_endp] = 0;
- u132_udev_put_kref(u132, udev);
- }
- if (endp->output) {
- udev->endp_number_out[usb_endp] = 0;
- u132_udev_put_kref(u132, udev);
- }
- u132->endp[endp_number - 1] = NULL;
- hep->hcpriv = NULL;
- kfree(endp);
- u132_u132_put_kref(u132);
+ struct u132_endp *endp = kref_to_u132_endp(kref);
+ struct u132 *u132 = endp->u132;
+ u8 usb_addr = endp->usb_addr;
+ u8 usb_endp = endp->usb_endp;
+ u8 address = u132->addr[usb_addr].address;
+ struct u132_udev *udev = &u132->udev[address];
+ u8 endp_number = endp->endp_number;
+ struct usb_host_endpoint *hep = endp->hep;
+ struct u132_ring *ring = endp->ring;
+ struct list_head *head = &endp->endp_ring;
+ ring->length -= 1;
+ if (endp == ring->curr_endp) {
+ if (list_empty(head)) {
+ ring->curr_endp = NULL;
+ list_del(head);
+ } else {
+ struct u132_endp *next_endp = list_entry(head->next,
+ struct u132_endp, endp_ring);
+ ring->curr_endp = next_endp;
+ list_del(head);
+ }
+ } else
+ list_del(head);
+ if (endp->input) {
+ udev->endp_number_in[usb_endp] = 0;
+ u132_udev_put_kref(u132, udev);
+ }
+ if (endp->output) {
+ udev->endp_number_out[usb_endp] = 0;
+ u132_udev_put_kref(u132, udev);
+ }
+ u132->endp[endp_number - 1] = NULL;
+ hep->hcpriv = NULL;
+ kfree(endp);
+ u132_u132_put_kref(u132);
}
static inline void u132_endp_put_kref(struct u132 *u132, struct u132_endp *endp)
{
- kref_put(&endp->kref, u132_endp_delete);
+ kref_put(&endp->kref, u132_endp_delete);
}
static inline void u132_endp_get_kref(struct u132 *u132, struct u132_endp *endp)
{
- kref_get(&endp->kref);
+ kref_get(&endp->kref);
}
static inline void u132_endp_init_kref(struct u132 *u132,
- struct u132_endp *endp)
+ struct u132_endp *endp)
{
- kref_init(&endp->kref);
- kref_get(&u132->kref);
+ kref_init(&endp->kref);
+ kref_get(&u132->kref);
}
static void u132_endp_queue_work(struct u132 *u132, struct u132_endp *endp,
- unsigned int delta)
+ unsigned int delta)
{
if (queue_delayed_work(workqueue, &endp->scheduler, delta))
kref_get(&endp->kref);
static void u132_endp_cancel_work(struct u132 *u132, struct u132_endp *endp)
{
- if (cancel_delayed_work(&endp->scheduler))
- kref_put(&endp->kref, u132_endp_delete);
+ if (cancel_delayed_work(&endp->scheduler))
+ kref_put(&endp->kref, u132_endp_delete);
}
static inline void u132_monitor_put_kref(struct u132 *u132)
{
- kref_put(&u132->kref, u132_hcd_delete);
+ kref_put(&u132->kref, u132_hcd_delete);
}
static void u132_monitor_queue_work(struct u132 *u132, unsigned int delta)
static void u132_monitor_cancel_work(struct u132 *u132)
{
- if (cancel_delayed_work(&u132->monitor))
- kref_put(&u132->kref, u132_hcd_delete);
+ if (cancel_delayed_work(&u132->monitor))
+ kref_put(&u132->kref, u132_hcd_delete);
}
static int read_roothub_info(struct u132 *u132)
{
- u32 revision;
- int retval;
- retval = u132_read_pcimem(u132, revision, &revision);
- if (retval) {
- dev_err(&u132->platform_dev->dev, "error %d accessing device co"
- "ntrol\n", retval);
- return retval;
- } else if ((revision & 0xFF) == 0x10) {
- } else if ((revision & 0xFF) == 0x11) {
- } else {
- dev_err(&u132->platform_dev->dev, "device revision is not valid"
- " %08X\n", revision);
- return -ENODEV;
- }
- retval = u132_read_pcimem(u132, control, &u132->hc_control);
- if (retval) {
- dev_err(&u132->platform_dev->dev, "error %d accessing device co"
- "ntrol\n", retval);
- return retval;
- }
- retval = u132_read_pcimem(u132, roothub.status,
- &u132->hc_roothub_status);
- if (retval) {
- dev_err(&u132->platform_dev->dev, "error %d accessing device re"
- "g roothub.status\n", retval);
- return retval;
- }
- retval = u132_read_pcimem(u132, roothub.a, &u132->hc_roothub_a);
- if (retval) {
- dev_err(&u132->platform_dev->dev, "error %d accessing device re"
- "g roothub.a\n", retval);
- return retval;
- }
- {
- int I = u132->num_ports;
- int i = 0;
- while (I-- > 0) {
- retval = u132_read_pcimem(u132, roothub.portstatus[i],
- &u132->hc_roothub_portstatus[i]);
- if (retval) {
- dev_err(&u132->platform_dev->dev, "error %d acc"
- "essing device roothub.portstatus[%d]\n"
- , retval, i);
- return retval;
- } else
- i += 1;
- }
- }
- return 0;
+ u32 revision;
+ int retval;
+ retval = u132_read_pcimem(u132, revision, &revision);
+ if (retval) {
+ dev_err(&u132->platform_dev->dev, "error %d accessing device co"
+ "ntrol\n", retval);
+ return retval;
+ } else if ((revision & 0xFF) == 0x10) {
+ } else if ((revision & 0xFF) == 0x11) {
+ } else {
+ dev_err(&u132->platform_dev->dev, "device revision is not valid"
+ " %08X\n", revision);
+ return -ENODEV;
+ }
+ retval = u132_read_pcimem(u132, control, &u132->hc_control);
+ if (retval) {
+ dev_err(&u132->platform_dev->dev, "error %d accessing device co"
+ "ntrol\n", retval);
+ return retval;
+ }
+ retval = u132_read_pcimem(u132, roothub.status,
+ &u132->hc_roothub_status);
+ if (retval) {
+ dev_err(&u132->platform_dev->dev, "error %d accessing device re"
+ "g roothub.status\n", retval);
+ return retval;
+ }
+ retval = u132_read_pcimem(u132, roothub.a, &u132->hc_roothub_a);
+ if (retval) {
+ dev_err(&u132->platform_dev->dev, "error %d accessing device re"
+ "g roothub.a\n", retval);
+ return retval;
+ }
+ {
+ int I = u132->num_ports;
+ int i = 0;
+ while (I-- > 0) {
+ retval = u132_read_pcimem(u132, roothub.portstatus[i],
+ &u132->hc_roothub_portstatus[i]);
+ if (retval) {
+ dev_err(&u132->platform_dev->dev, "error %d acc"
+ "essing device roothub.portstatus[%d]\n"
+ , retval, i);
+ return retval;
+ } else
+ i += 1;
+ }
+ }
+ return 0;
}
static void u132_hcd_monitor_work(struct work_struct *work)
{
- struct u132 *u132 = container_of(work, struct u132, monitor.work);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- u132_monitor_put_kref(u132);
- return;
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device is being removed\n");
- u132_monitor_put_kref(u132);
- return;
- } else {
- int retval;
- mutex_lock(&u132->sw_lock);
- retval = read_roothub_info(u132);
- if (retval) {
- struct usb_hcd *hcd = u132_to_hcd(u132);
- u132_disable(u132);
- u132->going = 1;
- mutex_unlock(&u132->sw_lock);
- usb_hc_died(hcd);
- ftdi_elan_gone_away(u132->platform_dev);
- u132_monitor_put_kref(u132);
- return;
- } else {
- u132_monitor_requeue_work(u132, 500);
- mutex_unlock(&u132->sw_lock);
- return;
- }
- }
+ struct u132 *u132 = container_of(work, struct u132, monitor.work);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ u132_monitor_put_kref(u132);
+ return;
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device is being removed\n");
+ u132_monitor_put_kref(u132);
+ return;
+ } else {
+ int retval;
+ mutex_lock(&u132->sw_lock);
+ retval = read_roothub_info(u132);
+ if (retval) {
+ struct usb_hcd *hcd = u132_to_hcd(u132);
+ u132_disable(u132);
+ u132->going = 1;
+ mutex_unlock(&u132->sw_lock);
+ usb_hc_died(hcd);
+ ftdi_elan_gone_away(u132->platform_dev);
+ u132_monitor_put_kref(u132);
+ return;
+ } else {
+ u132_monitor_requeue_work(u132, 500);
+ mutex_unlock(&u132->sw_lock);
+ return;
+ }
+ }
}
static void u132_hcd_giveback_urb(struct u132 *u132, struct u132_endp *endp,
- struct urb *urb, int status)
+ struct urb *urb, int status)
{
- struct u132_ring *ring;
- unsigned long irqs;
- struct usb_hcd *hcd = u132_to_hcd(u132);
- urb->error_count = 0;
- spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+ struct u132_ring *ring;
+ unsigned long irqs;
+ struct usb_hcd *hcd = u132_to_hcd(u132);
+ urb->error_count = 0;
+ spin_lock_irqsave(&endp->queue_lock.slock, irqs);
usb_hcd_unlink_urb_from_ep(hcd, urb);
- endp->queue_next += 1;
- if (ENDP_QUEUE_SIZE > --endp->queue_size) {
- endp->active = 0;
- spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- } else {
- struct list_head *next = endp->urb_more.next;
- struct u132_urbq *urbq = list_entry(next, struct u132_urbq,
- urb_more);
- list_del(next);
- endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] =
- urbq->urb;
- endp->active = 0;
- spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- kfree(urbq);
- } down(&u132->scheduler_lock);
- ring = endp->ring;
- ring->in_use = 0;
- u132_ring_cancel_work(u132, ring);
- u132_ring_queue_work(u132, ring, 0);
- up(&u132->scheduler_lock);
- u132_endp_put_kref(u132, endp);
+ endp->queue_next += 1;
+ if (ENDP_QUEUE_SIZE > --endp->queue_size) {
+ endp->active = 0;
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ } else {
+ struct list_head *next = endp->urb_more.next;
+ struct u132_urbq *urbq = list_entry(next, struct u132_urbq,
+ urb_more);
+ list_del(next);
+ endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] =
+ urbq->urb;
+ endp->active = 0;
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ kfree(urbq);
+ }
+ down(&u132->scheduler_lock);
+ ring = endp->ring;
+ ring->in_use = 0;
+ u132_ring_cancel_work(u132, ring);
+ u132_ring_queue_work(u132, ring, 0);
+ up(&u132->scheduler_lock);
+ u132_endp_put_kref(u132, endp);
usb_hcd_giveback_urb(hcd, urb, status);
- return;
+ return;
}
static void u132_hcd_forget_urb(struct u132 *u132, struct u132_endp *endp,
- struct urb *urb, int status)
+ struct urb *urb, int status)
{
- u132_endp_put_kref(u132, endp);
+ u132_endp_put_kref(u132, endp);
}
static void u132_hcd_abandon_urb(struct u132 *u132, struct u132_endp *endp,
- struct urb *urb, int status)
+ struct urb *urb, int status)
{
- unsigned long irqs;
- struct usb_hcd *hcd = u132_to_hcd(u132);
- urb->error_count = 0;
- spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+ unsigned long irqs;
+ struct usb_hcd *hcd = u132_to_hcd(u132);
+ urb->error_count = 0;
+ spin_lock_irqsave(&endp->queue_lock.slock, irqs);
usb_hcd_unlink_urb_from_ep(hcd, urb);
- endp->queue_next += 1;
- if (ENDP_QUEUE_SIZE > --endp->queue_size) {
- endp->active = 0;
- spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- } else {
- struct list_head *next = endp->urb_more.next;
- struct u132_urbq *urbq = list_entry(next, struct u132_urbq,
- urb_more);
- list_del(next);
- endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] =
- urbq->urb;
- endp->active = 0;
- spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- kfree(urbq);
+ endp->queue_next += 1;
+ if (ENDP_QUEUE_SIZE > --endp->queue_size) {
+ endp->active = 0;
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ } else {
+ struct list_head *next = endp->urb_more.next;
+ struct u132_urbq *urbq = list_entry(next, struct u132_urbq,
+ urb_more);
+ list_del(next);
+ endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] =
+ urbq->urb;
+ endp->active = 0;
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ kfree(urbq);
} usb_hcd_giveback_urb(hcd, urb, status);
- return;
+ return;
}
static inline int edset_input(struct u132 *u132, struct u132_ring *ring,
- struct u132_endp *endp, struct urb *urb, u8 address, u8 toggle_bits,
- void (*callback) (void *endp, struct urb *urb, u8 *buf, int len,
- int toggle_bits, int error_count, int condition_code, int repeat_number,
- int halted, int skipped, int actual, int non_null))
+ struct u132_endp *endp, struct urb *urb, u8 address, u8 toggle_bits,
+ void (*callback) (void *endp, struct urb *urb, u8 *buf, int len,
+ int toggle_bits, int error_count, int condition_code, int repeat_number,
+ int halted, int skipped, int actual, int non_null))
{
- return usb_ftdi_elan_edset_input(u132->platform_dev, ring->number, endp,
- urb, address, endp->usb_endp, toggle_bits, callback);
+ return usb_ftdi_elan_edset_input(u132->platform_dev, ring->number, endp,
+ urb, address, endp->usb_endp, toggle_bits, callback);
}
static inline int edset_setup(struct u132 *u132, struct u132_ring *ring,
- struct u132_endp *endp, struct urb *urb, u8 address, u8 toggle_bits,
- void (*callback) (void *endp, struct urb *urb, u8 *buf, int len,
- int toggle_bits, int error_count, int condition_code, int repeat_number,
- int halted, int skipped, int actual, int non_null))
+ struct u132_endp *endp, struct urb *urb, u8 address, u8 toggle_bits,
+ void (*callback) (void *endp, struct urb *urb, u8 *buf, int len,
+ int toggle_bits, int error_count, int condition_code, int repeat_number,
+ int halted, int skipped, int actual, int non_null))
{
- return usb_ftdi_elan_edset_setup(u132->platform_dev, ring->number, endp,
- urb, address, endp->usb_endp, toggle_bits, callback);
+ return usb_ftdi_elan_edset_setup(u132->platform_dev, ring->number, endp,
+ urb, address, endp->usb_endp, toggle_bits, callback);
}
static inline int edset_single(struct u132 *u132, struct u132_ring *ring,
- struct u132_endp *endp, struct urb *urb, u8 address, u8 toggle_bits,
- void (*callback) (void *endp, struct urb *urb, u8 *buf, int len,
- int toggle_bits, int error_count, int condition_code, int repeat_number,
- int halted, int skipped, int actual, int non_null))
+ struct u132_endp *endp, struct urb *urb, u8 address, u8 toggle_bits,
+ void (*callback) (void *endp, struct urb *urb, u8 *buf, int len,
+ int toggle_bits, int error_count, int condition_code, int repeat_number,
+ int halted, int skipped, int actual, int non_null))
{
- return usb_ftdi_elan_edset_single(u132->platform_dev, ring->number,
- endp, urb, address, endp->usb_endp, toggle_bits, callback);
+ return usb_ftdi_elan_edset_single(u132->platform_dev, ring->number,
+ endp, urb, address, endp->usb_endp, toggle_bits, callback);
}
static inline int edset_output(struct u132 *u132, struct u132_ring *ring,
- struct u132_endp *endp, struct urb *urb, u8 address, u8 toggle_bits,
- void (*callback) (void *endp, struct urb *urb, u8 *buf, int len,
- int toggle_bits, int error_count, int condition_code, int repeat_number,
- int halted, int skipped, int actual, int non_null))
+ struct u132_endp *endp, struct urb *urb, u8 address, u8 toggle_bits,
+ void (*callback) (void *endp, struct urb *urb, u8 *buf, int len,
+ int toggle_bits, int error_count, int condition_code, int repeat_number,
+ int halted, int skipped, int actual, int non_null))
{
- return usb_ftdi_elan_edset_output(u132->platform_dev, ring->number,
- endp, urb, address, endp->usb_endp, toggle_bits, callback);
+ return usb_ftdi_elan_edset_output(u132->platform_dev, ring->number,
+ endp, urb, address, endp->usb_endp, toggle_bits, callback);
}
*
*/
static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
- int len, int toggle_bits, int error_count, int condition_code,
- int repeat_number, int halted, int skipped, int actual, int non_null)
-{
- struct u132_endp *endp = data;
- struct u132 *u132 = endp->u132;
- u8 address = u132->addr[endp->usb_addr].address;
- struct u132_udev *udev = &u132->udev[address];
- down(&u132->scheduler_lock);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- up(&u132->scheduler_lock);
- u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
- return;
- } else if (endp->dequeueing) {
- endp->dequeueing = 0;
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
- return;
- } else if (u132->going > 0) {
+ int len, int toggle_bits, int error_count, int condition_code,
+ int repeat_number, int halted, int skipped, int actual, int non_null)
+{
+ struct u132_endp *endp = data;
+ struct u132 *u132 = endp->u132;
+ u8 address = u132->addr[endp->usb_addr].address;
+ struct u132_udev *udev = &u132->udev[address];
+ down(&u132->scheduler_lock);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ up(&u132->scheduler_lock);
+ u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
+ return;
+ } else if (endp->dequeueing) {
+ endp->dequeueing = 0;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
+ return;
+ } else if (u132->going > 0) {
dev_err(&u132->platform_dev->dev, "device is being removed "
"urb=%p\n", urb);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
- return;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
+ return;
} else if (!urb->unlinked) {
- struct u132_ring *ring = endp->ring;
- u8 *u = urb->transfer_buffer + urb->actual_length;
- u8 *b = buf;
- int L = len;
- while (L-- > 0) {
- *u++ = *b++;
- }
- urb->actual_length += len;
- if ((condition_code == TD_CC_NOERROR) &&
- (urb->transfer_buffer_length > urb->actual_length)) {
- endp->toggle_bits = toggle_bits;
- usb_settoggle(udev->usb_device, endp->usb_endp, 0,
- 1 & toggle_bits);
- if (urb->actual_length > 0) {
- int retval;
- up(&u132->scheduler_lock);
- retval = edset_single(u132, ring, endp, urb,
- address, endp->toggle_bits,
- u132_hcd_interrupt_recv);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb,
- retval);
- } else {
- ring->in_use = 0;
- endp->active = 0;
- endp->jiffies = jiffies +
- msecs_to_jiffies(urb->interval);
- u132_ring_cancel_work(u132, ring);
- u132_ring_queue_work(u132, ring, 0);
- up(&u132->scheduler_lock);
- u132_endp_put_kref(u132, endp);
- }
- return;
- } else if ((condition_code == TD_DATAUNDERRUN) &&
- ((urb->transfer_flags & URB_SHORT_NOT_OK) == 0)) {
- endp->toggle_bits = toggle_bits;
- usb_settoggle(udev->usb_device, endp->usb_endp, 0,
- 1 & toggle_bits);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- } else {
- if (condition_code == TD_CC_NOERROR) {
- endp->toggle_bits = toggle_bits;
- usb_settoggle(udev->usb_device, endp->usb_endp,
- 0, 1 & toggle_bits);
- } else if (condition_code == TD_CC_STALL) {
- endp->toggle_bits = 0x2;
- usb_settoggle(udev->usb_device, endp->usb_endp,
- 0, 0);
- } else {
- endp->toggle_bits = 0x2;
- usb_settoggle(udev->usb_device, endp->usb_endp,
- 0, 0);
- dev_err(&u132->platform_dev->dev, "urb=%p givin"
- "g back INTERRUPT %s\n", urb,
- cc_to_text[condition_code]);
- }
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb,
- cc_to_error[condition_code]);
- return;
- }
- } else {
+ struct u132_ring *ring = endp->ring;
+ u8 *u = urb->transfer_buffer + urb->actual_length;
+ u8 *b = buf;
+ int L = len;
+
+ while (L-- > 0)
+ *u++ = *b++;
+
+ urb->actual_length += len;
+ if ((condition_code == TD_CC_NOERROR) &&
+ (urb->transfer_buffer_length > urb->actual_length)) {
+ endp->toggle_bits = toggle_bits;
+ usb_settoggle(udev->usb_device, endp->usb_endp, 0,
+ 1 & toggle_bits);
+ if (urb->actual_length > 0) {
+ int retval;
+ up(&u132->scheduler_lock);
+ retval = edset_single(u132, ring, endp, urb,
+ address, endp->toggle_bits,
+ u132_hcd_interrupt_recv);
+ if (retval != 0)
+ u132_hcd_giveback_urb(u132, endp, urb,
+ retval);
+ } else {
+ ring->in_use = 0;
+ endp->active = 0;
+ endp->jiffies = jiffies +
+ msecs_to_jiffies(urb->interval);
+ u132_ring_cancel_work(u132, ring);
+ u132_ring_queue_work(u132, ring, 0);
+ up(&u132->scheduler_lock);
+ u132_endp_put_kref(u132, endp);
+ }
+ return;
+ } else if ((condition_code == TD_DATAUNDERRUN) &&
+ ((urb->transfer_flags & URB_SHORT_NOT_OK) == 0)) {
+ endp->toggle_bits = toggle_bits;
+ usb_settoggle(udev->usb_device, endp->usb_endp, 0,
+ 1 & toggle_bits);
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
+ return;
+ } else {
+ if (condition_code == TD_CC_NOERROR) {
+ endp->toggle_bits = toggle_bits;
+ usb_settoggle(udev->usb_device, endp->usb_endp,
+ 0, 1 & toggle_bits);
+ } else if (condition_code == TD_CC_STALL) {
+ endp->toggle_bits = 0x2;
+ usb_settoggle(udev->usb_device, endp->usb_endp,
+ 0, 0);
+ } else {
+ endp->toggle_bits = 0x2;
+ usb_settoggle(udev->usb_device, endp->usb_endp,
+ 0, 0);
+ dev_err(&u132->platform_dev->dev, "urb=%p givin"
+ "g back INTERRUPT %s\n", urb,
+ cc_to_text[condition_code]);
+ }
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb,
+ cc_to_error[condition_code]);
+ return;
+ }
+ } else {
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
- up(&u132->scheduler_lock);
+ up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- }
+ return;
+ }
}
static void u132_hcd_bulk_output_sent(void *data, struct urb *urb, u8 *buf,
- int len, int toggle_bits, int error_count, int condition_code,
- int repeat_number, int halted, int skipped, int actual, int non_null)
-{
- struct u132_endp *endp = data;
- struct u132 *u132 = endp->u132;
- u8 address = u132->addr[endp->usb_addr].address;
- down(&u132->scheduler_lock);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- up(&u132->scheduler_lock);
- u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
- return;
- } else if (endp->dequeueing) {
- endp->dequeueing = 0;
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
- return;
- } else if (u132->going > 0) {
+ int len, int toggle_bits, int error_count, int condition_code,
+ int repeat_number, int halted, int skipped, int actual, int non_null)
+{
+ struct u132_endp *endp = data;
+ struct u132 *u132 = endp->u132;
+ u8 address = u132->addr[endp->usb_addr].address;
+ down(&u132->scheduler_lock);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ up(&u132->scheduler_lock);
+ u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
+ return;
+ } else if (endp->dequeueing) {
+ endp->dequeueing = 0;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
+ return;
+ } else if (u132->going > 0) {
dev_err(&u132->platform_dev->dev, "device is being removed "
"urb=%p\n", urb);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
- return;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
+ return;
} else if (!urb->unlinked) {
- struct u132_ring *ring = endp->ring;
- urb->actual_length += len;
- endp->toggle_bits = toggle_bits;
- if (urb->transfer_buffer_length > urb->actual_length) {
- int retval;
- up(&u132->scheduler_lock);
- retval = edset_output(u132, ring, endp, urb, address,
- endp->toggle_bits, u132_hcd_bulk_output_sent);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb, retval);
- return;
- } else {
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- }
- } else {
+ struct u132_ring *ring = endp->ring;
+ urb->actual_length += len;
+ endp->toggle_bits = toggle_bits;
+ if (urb->transfer_buffer_length > urb->actual_length) {
+ int retval;
+ up(&u132->scheduler_lock);
+ retval = edset_output(u132, ring, endp, urb, address,
+ endp->toggle_bits, u132_hcd_bulk_output_sent);
+ if (retval != 0)
+ u132_hcd_giveback_urb(u132, endp, urb, retval);
+ return;
+ } else {
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
+ return;
+ }
+ } else {
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
- up(&u132->scheduler_lock);
+ up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- }
+ return;
+ }
}
static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
- int len, int toggle_bits, int error_count, int condition_code,
- int repeat_number, int halted, int skipped, int actual, int non_null)
-{
- struct u132_endp *endp = data;
- struct u132 *u132 = endp->u132;
- u8 address = u132->addr[endp->usb_addr].address;
- struct u132_udev *udev = &u132->udev[address];
- down(&u132->scheduler_lock);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- up(&u132->scheduler_lock);
- u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
- return;
- } else if (endp->dequeueing) {
- endp->dequeueing = 0;
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
- return;
- } else if (u132->going > 0) {
+ int len, int toggle_bits, int error_count, int condition_code,
+ int repeat_number, int halted, int skipped, int actual, int non_null)
+{
+ struct u132_endp *endp = data;
+ struct u132 *u132 = endp->u132;
+ u8 address = u132->addr[endp->usb_addr].address;
+ struct u132_udev *udev = &u132->udev[address];
+ down(&u132->scheduler_lock);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ up(&u132->scheduler_lock);
+ u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
+ return;
+ } else if (endp->dequeueing) {
+ endp->dequeueing = 0;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
+ return;
+ } else if (u132->going > 0) {
dev_err(&u132->platform_dev->dev, "device is being removed "
"urb=%p\n", urb);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
- return;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
+ return;
} else if (!urb->unlinked) {
- struct u132_ring *ring = endp->ring;
- u8 *u = urb->transfer_buffer + urb->actual_length;
- u8 *b = buf;
- int L = len;
- while (L-- > 0) {
- *u++ = *b++;
- }
- urb->actual_length += len;
- if ((condition_code == TD_CC_NOERROR) &&
- (urb->transfer_buffer_length > urb->actual_length)) {
- int retval;
- endp->toggle_bits = toggle_bits;
- usb_settoggle(udev->usb_device, endp->usb_endp, 0,
- 1 & toggle_bits);
- up(&u132->scheduler_lock);
- retval = usb_ftdi_elan_edset_input(u132->platform_dev,
- ring->number, endp, urb, address,
- endp->usb_endp, endp->toggle_bits,
- u132_hcd_bulk_input_recv);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb, retval);
- return;
- } else if (condition_code == TD_CC_NOERROR) {
- endp->toggle_bits = toggle_bits;
- usb_settoggle(udev->usb_device, endp->usb_endp, 0,
- 1 & toggle_bits);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb,
- cc_to_error[condition_code]);
- return;
- } else if ((condition_code == TD_DATAUNDERRUN) &&
- ((urb->transfer_flags & URB_SHORT_NOT_OK) == 0)) {
- endp->toggle_bits = toggle_bits;
- usb_settoggle(udev->usb_device, endp->usb_endp, 0,
- 1 & toggle_bits);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- } else if (condition_code == TD_DATAUNDERRUN) {
- endp->toggle_bits = toggle_bits;
- usb_settoggle(udev->usb_device, endp->usb_endp, 0,
- 1 & toggle_bits);
- dev_warn(&u132->platform_dev->dev, "urb=%p(SHORT NOT OK"
- ") giving back BULK IN %s\n", urb,
- cc_to_text[condition_code]);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- } else if (condition_code == TD_CC_STALL) {
- endp->toggle_bits = 0x2;
- usb_settoggle(udev->usb_device, endp->usb_endp, 0, 0);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb,
- cc_to_error[condition_code]);
- return;
- } else {
- endp->toggle_bits = 0x2;
- usb_settoggle(udev->usb_device, endp->usb_endp, 0, 0);
- dev_err(&u132->platform_dev->dev, "urb=%p giving back B"
- "ULK IN code=%d %s\n", urb, condition_code,
- cc_to_text[condition_code]);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb,
- cc_to_error[condition_code]);
- return;
- }
- } else {
+ struct u132_ring *ring = endp->ring;
+ u8 *u = urb->transfer_buffer + urb->actual_length;
+ u8 *b = buf;
+ int L = len;
+
+ while (L-- > 0)
+ *u++ = *b++;
+
+ urb->actual_length += len;
+ if ((condition_code == TD_CC_NOERROR) &&
+ (urb->transfer_buffer_length > urb->actual_length)) {
+ int retval;
+ endp->toggle_bits = toggle_bits;
+ usb_settoggle(udev->usb_device, endp->usb_endp, 0,
+ 1 & toggle_bits);
+ up(&u132->scheduler_lock);
+ retval = usb_ftdi_elan_edset_input(u132->platform_dev,
+ ring->number, endp, urb, address,
+ endp->usb_endp, endp->toggle_bits,
+ u132_hcd_bulk_input_recv);
+ if (retval != 0)
+ u132_hcd_giveback_urb(u132, endp, urb, retval);
+ return;
+ } else if (condition_code == TD_CC_NOERROR) {
+ endp->toggle_bits = toggle_bits;
+ usb_settoggle(udev->usb_device, endp->usb_endp, 0,
+ 1 & toggle_bits);
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb,
+ cc_to_error[condition_code]);
+ return;
+ } else if ((condition_code == TD_DATAUNDERRUN) &&
+ ((urb->transfer_flags & URB_SHORT_NOT_OK) == 0)) {
+ endp->toggle_bits = toggle_bits;
+ usb_settoggle(udev->usb_device, endp->usb_endp, 0,
+ 1 & toggle_bits);
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
+ return;
+ } else if (condition_code == TD_DATAUNDERRUN) {
+ endp->toggle_bits = toggle_bits;
+ usb_settoggle(udev->usb_device, endp->usb_endp, 0,
+ 1 & toggle_bits);
+ dev_warn(&u132->platform_dev->dev, "urb=%p(SHORT NOT OK"
+ ") giving back BULK IN %s\n", urb,
+ cc_to_text[condition_code]);
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
+ return;
+ } else if (condition_code == TD_CC_STALL) {
+ endp->toggle_bits = 0x2;
+ usb_settoggle(udev->usb_device, endp->usb_endp, 0, 0);
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb,
+ cc_to_error[condition_code]);
+ return;
+ } else {
+ endp->toggle_bits = 0x2;
+ usb_settoggle(udev->usb_device, endp->usb_endp, 0, 0);
+ dev_err(&u132->platform_dev->dev, "urb=%p giving back B"
+ "ULK IN code=%d %s\n", urb, condition_code,
+ cc_to_text[condition_code]);
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb,
+ cc_to_error[condition_code]);
+ return;
+ }
+ } else {
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
- up(&u132->scheduler_lock);
+ up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- }
+ return;
+ }
}
static void u132_hcd_configure_empty_sent(void *data, struct urb *urb, u8 *buf,
- int len, int toggle_bits, int error_count, int condition_code,
- int repeat_number, int halted, int skipped, int actual, int non_null)
-{
- struct u132_endp *endp = data;
- struct u132 *u132 = endp->u132;
- down(&u132->scheduler_lock);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- up(&u132->scheduler_lock);
- u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
- return;
- } else if (endp->dequeueing) {
- endp->dequeueing = 0;
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
- return;
- } else if (u132->going > 0) {
+ int len, int toggle_bits, int error_count, int condition_code,
+ int repeat_number, int halted, int skipped, int actual, int non_null)
+{
+ struct u132_endp *endp = data;
+ struct u132 *u132 = endp->u132;
+ down(&u132->scheduler_lock);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ up(&u132->scheduler_lock);
+ u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
+ return;
+ } else if (endp->dequeueing) {
+ endp->dequeueing = 0;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
+ return;
+ } else if (u132->going > 0) {
dev_err(&u132->platform_dev->dev, "device is being removed "
"urb=%p\n", urb);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
- return;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
+ return;
} else if (!urb->unlinked) {
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- } else {
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
+ return;
+ } else {
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
- up(&u132->scheduler_lock);
+ up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- }
+ return;
+ }
}
static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf,
- int len, int toggle_bits, int error_count, int condition_code,
- int repeat_number, int halted, int skipped, int actual, int non_null)
-{
- struct u132_endp *endp = data;
- struct u132 *u132 = endp->u132;
- u8 address = u132->addr[endp->usb_addr].address;
- down(&u132->scheduler_lock);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- up(&u132->scheduler_lock);
- u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
- return;
- } else if (endp->dequeueing) {
- endp->dequeueing = 0;
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
- return;
- } else if (u132->going > 0) {
+ int len, int toggle_bits, int error_count, int condition_code,
+ int repeat_number, int halted, int skipped, int actual, int non_null)
+{
+ struct u132_endp *endp = data;
+ struct u132 *u132 = endp->u132;
+ u8 address = u132->addr[endp->usb_addr].address;
+ down(&u132->scheduler_lock);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ up(&u132->scheduler_lock);
+ u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
+ return;
+ } else if (endp->dequeueing) {
+ endp->dequeueing = 0;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
+ return;
+ } else if (u132->going > 0) {
dev_err(&u132->platform_dev->dev, "device is being removed "
"urb=%p\n", urb);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
- return;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
+ return;
} else if (!urb->unlinked) {
- struct u132_ring *ring = endp->ring;
- u8 *u = urb->transfer_buffer;
- u8 *b = buf;
- int L = len;
- while (L-- > 0) {
- *u++ = *b++;
- }
- urb->actual_length = len;
- if ((condition_code == TD_CC_NOERROR) || ((condition_code ==
- TD_DATAUNDERRUN) && ((urb->transfer_flags &
- URB_SHORT_NOT_OK) == 0))) {
- int retval;
- up(&u132->scheduler_lock);
- retval = usb_ftdi_elan_edset_empty(u132->platform_dev,
- ring->number, endp, urb, address,
- endp->usb_endp, 0x3,
- u132_hcd_configure_empty_sent);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb, retval);
- return;
- } else if (condition_code == TD_CC_STALL) {
- up(&u132->scheduler_lock);
- dev_warn(&u132->platform_dev->dev, "giving back SETUP I"
- "NPUT STALL urb %p\n", urb);
- u132_hcd_giveback_urb(u132, endp, urb,
- cc_to_error[condition_code]);
- return;
- } else {
- up(&u132->scheduler_lock);
- dev_err(&u132->platform_dev->dev, "giving back SETUP IN"
- "PUT %s urb %p\n", cc_to_text[condition_code],
- urb);
- u132_hcd_giveback_urb(u132, endp, urb,
- cc_to_error[condition_code]);
- return;
- }
- } else {
+ struct u132_ring *ring = endp->ring;
+ u8 *u = urb->transfer_buffer;
+ u8 *b = buf;
+ int L = len;
+
+ while (L-- > 0)
+ *u++ = *b++;
+
+ urb->actual_length = len;
+ if ((condition_code == TD_CC_NOERROR) || ((condition_code ==
+ TD_DATAUNDERRUN) && ((urb->transfer_flags &
+ URB_SHORT_NOT_OK) == 0))) {
+ int retval;
+ up(&u132->scheduler_lock);
+ retval = usb_ftdi_elan_edset_empty(u132->platform_dev,
+ ring->number, endp, urb, address,
+ endp->usb_endp, 0x3,
+ u132_hcd_configure_empty_sent);
+ if (retval != 0)
+ u132_hcd_giveback_urb(u132, endp, urb, retval);
+ return;
+ } else if (condition_code == TD_CC_STALL) {
+ up(&u132->scheduler_lock);
+ dev_warn(&u132->platform_dev->dev, "giving back SETUP I"
+ "NPUT STALL urb %p\n", urb);
+ u132_hcd_giveback_urb(u132, endp, urb,
+ cc_to_error[condition_code]);
+ return;
+ } else {
+ up(&u132->scheduler_lock);
+ dev_err(&u132->platform_dev->dev, "giving back SETUP IN"
+ "PUT %s urb %p\n", cc_to_text[condition_code],
+ urb);
+ u132_hcd_giveback_urb(u132, endp, urb,
+ cc_to_error[condition_code]);
+ return;
+ }
+ } else {
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
- up(&u132->scheduler_lock);
+ up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- }
+ return;
+ }
}
static void u132_hcd_configure_empty_recv(void *data, struct urb *urb, u8 *buf,
- int len, int toggle_bits, int error_count, int condition_code,
- int repeat_number, int halted, int skipped, int actual, int non_null)
-{
- struct u132_endp *endp = data;
- struct u132 *u132 = endp->u132;
- down(&u132->scheduler_lock);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- up(&u132->scheduler_lock);
- u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
- return;
- } else if (endp->dequeueing) {
- endp->dequeueing = 0;
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
- return;
- } else if (u132->going > 0) {
+ int len, int toggle_bits, int error_count, int condition_code,
+ int repeat_number, int halted, int skipped, int actual, int non_null)
+{
+ struct u132_endp *endp = data;
+ struct u132 *u132 = endp->u132;
+ down(&u132->scheduler_lock);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ up(&u132->scheduler_lock);
+ u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
+ return;
+ } else if (endp->dequeueing) {
+ endp->dequeueing = 0;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
+ return;
+ } else if (u132->going > 0) {
dev_err(&u132->platform_dev->dev, "device is being removed "
"urb=%p\n", urb);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
- return;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
+ return;
} else if (!urb->unlinked) {
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- } else {
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
+ return;
+ } else {
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
- up(&u132->scheduler_lock);
+ up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- }
+ return;
+ }
}
static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf,
- int len, int toggle_bits, int error_count, int condition_code,
- int repeat_number, int halted, int skipped, int actual, int non_null)
-{
- struct u132_endp *endp = data;
- struct u132 *u132 = endp->u132;
- u8 address = u132->addr[endp->usb_addr].address;
- down(&u132->scheduler_lock);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- up(&u132->scheduler_lock);
- u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
- return;
- } else if (endp->dequeueing) {
- endp->dequeueing = 0;
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
- return;
- } else if (u132->going > 0) {
+ int len, int toggle_bits, int error_count, int condition_code,
+ int repeat_number, int halted, int skipped, int actual, int non_null)
+{
+ struct u132_endp *endp = data;
+ struct u132 *u132 = endp->u132;
+ u8 address = u132->addr[endp->usb_addr].address;
+ down(&u132->scheduler_lock);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ up(&u132->scheduler_lock);
+ u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
+ return;
+ } else if (endp->dequeueing) {
+ endp->dequeueing = 0;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
+ return;
+ } else if (u132->going > 0) {
dev_err(&u132->platform_dev->dev, "device is being removed "
"urb=%p\n", urb);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
- return;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
+ return;
} else if (!urb->unlinked) {
- if (usb_pipein(urb->pipe)) {
- int retval;
- struct u132_ring *ring = endp->ring;
- up(&u132->scheduler_lock);
- retval = usb_ftdi_elan_edset_input(u132->platform_dev,
- ring->number, endp, urb, address,
- endp->usb_endp, 0,
- u132_hcd_configure_input_recv);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb, retval);
- return;
- } else {
- int retval;
- struct u132_ring *ring = endp->ring;
- up(&u132->scheduler_lock);
- retval = usb_ftdi_elan_edset_input(u132->platform_dev,
- ring->number, endp, urb, address,
- endp->usb_endp, 0,
- u132_hcd_configure_empty_recv);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb, retval);
- return;
- }
- } else {
+ if (usb_pipein(urb->pipe)) {
+ int retval;
+ struct u132_ring *ring = endp->ring;
+ up(&u132->scheduler_lock);
+ retval = usb_ftdi_elan_edset_input(u132->platform_dev,
+ ring->number, endp, urb, address,
+ endp->usb_endp, 0,
+ u132_hcd_configure_input_recv);
+ if (retval != 0)
+ u132_hcd_giveback_urb(u132, endp, urb, retval);
+ return;
+ } else {
+ int retval;
+ struct u132_ring *ring = endp->ring;
+ up(&u132->scheduler_lock);
+ retval = usb_ftdi_elan_edset_input(u132->platform_dev,
+ ring->number, endp, urb, address,
+ endp->usb_endp, 0,
+ u132_hcd_configure_empty_recv);
+ if (retval != 0)
+ u132_hcd_giveback_urb(u132, endp, urb, retval);
+ return;
+ }
+ } else {
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
- up(&u132->scheduler_lock);
+ up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- }
+ return;
+ }
}
static void u132_hcd_enumeration_empty_recv(void *data, struct urb *urb,
- u8 *buf, int len, int toggle_bits, int error_count, int condition_code,
- int repeat_number, int halted, int skipped, int actual, int non_null)
-{
- struct u132_endp *endp = data;
- struct u132 *u132 = endp->u132;
- u8 address = u132->addr[endp->usb_addr].address;
- struct u132_udev *udev = &u132->udev[address];
- down(&u132->scheduler_lock);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- up(&u132->scheduler_lock);
- u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
- return;
- } else if (endp->dequeueing) {
- endp->dequeueing = 0;
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
- return;
- } else if (u132->going > 0) {
+ u8 *buf, int len, int toggle_bits, int error_count, int condition_code,
+ int repeat_number, int halted, int skipped, int actual, int non_null)
+{
+ struct u132_endp *endp = data;
+ struct u132 *u132 = endp->u132;
+ u8 address = u132->addr[endp->usb_addr].address;
+ struct u132_udev *udev = &u132->udev[address];
+ down(&u132->scheduler_lock);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ up(&u132->scheduler_lock);
+ u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
+ return;
+ } else if (endp->dequeueing) {
+ endp->dequeueing = 0;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
+ return;
+ } else if (u132->going > 0) {
dev_err(&u132->platform_dev->dev, "device is being removed "
"urb=%p\n", urb);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
- return;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
+ return;
} else if (!urb->unlinked) {
- u132->addr[0].address = 0;
- endp->usb_addr = udev->usb_addr;
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- } else {
+ u132->addr[0].address = 0;
+ endp->usb_addr = udev->usb_addr;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
+ return;
+ } else {
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
- up(&u132->scheduler_lock);
+ up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- }
+ return;
+ }
}
static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb,
- u8 *buf, int len, int toggle_bits, int error_count, int condition_code,
- int repeat_number, int halted, int skipped, int actual, int non_null)
-{
- struct u132_endp *endp = data;
- struct u132 *u132 = endp->u132;
- down(&u132->scheduler_lock);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- up(&u132->scheduler_lock);
- u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
- return;
- } else if (endp->dequeueing) {
- endp->dequeueing = 0;
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
- return;
- } else if (u132->going > 0) {
+ u8 *buf, int len, int toggle_bits, int error_count, int condition_code,
+ int repeat_number, int halted, int skipped, int actual, int non_null)
+{
+ struct u132_endp *endp = data;
+ struct u132 *u132 = endp->u132;
+ down(&u132->scheduler_lock);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ up(&u132->scheduler_lock);
+ u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
+ return;
+ } else if (endp->dequeueing) {
+ endp->dequeueing = 0;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
+ return;
+ } else if (u132->going > 0) {
dev_err(&u132->platform_dev->dev, "device is being removed "
"urb=%p\n", urb);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
- return;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
+ return;
} else if (!urb->unlinked) {
- int retval;
- struct u132_ring *ring = endp->ring;
- up(&u132->scheduler_lock);
- retval = usb_ftdi_elan_edset_input(u132->platform_dev,
- ring->number, endp, urb, 0, endp->usb_endp, 0,
- u132_hcd_enumeration_empty_recv);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb, retval);
- return;
- } else {
+ int retval;
+ struct u132_ring *ring = endp->ring;
+ up(&u132->scheduler_lock);
+ retval = usb_ftdi_elan_edset_input(u132->platform_dev,
+ ring->number, endp, urb, 0, endp->usb_endp, 0,
+ u132_hcd_enumeration_empty_recv);
+ if (retval != 0)
+ u132_hcd_giveback_urb(u132, endp, urb, retval);
+ return;
+ } else {
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
- up(&u132->scheduler_lock);
+ up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- }
+ return;
+ }
}
static void u132_hcd_initial_empty_sent(void *data, struct urb *urb, u8 *buf,
- int len, int toggle_bits, int error_count, int condition_code,
- int repeat_number, int halted, int skipped, int actual, int non_null)
-{
- struct u132_endp *endp = data;
- struct u132 *u132 = endp->u132;
- down(&u132->scheduler_lock);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- up(&u132->scheduler_lock);
- u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
- return;
- } else if (endp->dequeueing) {
- endp->dequeueing = 0;
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
- return;
- } else if (u132->going > 0) {
+ int len, int toggle_bits, int error_count, int condition_code,
+ int repeat_number, int halted, int skipped, int actual, int non_null)
+{
+ struct u132_endp *endp = data;
+ struct u132 *u132 = endp->u132;
+ down(&u132->scheduler_lock);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ up(&u132->scheduler_lock);
+ u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
+ return;
+ } else if (endp->dequeueing) {
+ endp->dequeueing = 0;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
+ return;
+ } else if (u132->going > 0) {
dev_err(&u132->platform_dev->dev, "device is being removed "
"urb=%p\n", urb);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
- return;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
+ return;
} else if (!urb->unlinked) {
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- } else {
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
+ return;
+ } else {
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
- up(&u132->scheduler_lock);
+ up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- }
+ return;
+ }
}
static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf,
- int len, int toggle_bits, int error_count, int condition_code,
- int repeat_number, int halted, int skipped, int actual, int non_null)
-{
- struct u132_endp *endp = data;
- struct u132 *u132 = endp->u132;
- u8 address = u132->addr[endp->usb_addr].address;
- down(&u132->scheduler_lock);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- up(&u132->scheduler_lock);
- u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
- return;
- } else if (endp->dequeueing) {
- endp->dequeueing = 0;
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
- return;
- } else if (u132->going > 0) {
+ int len, int toggle_bits, int error_count, int condition_code,
+ int repeat_number, int halted, int skipped, int actual, int non_null)
+{
+ struct u132_endp *endp = data;
+ struct u132 *u132 = endp->u132;
+ u8 address = u132->addr[endp->usb_addr].address;
+ down(&u132->scheduler_lock);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ up(&u132->scheduler_lock);
+ u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
+ return;
+ } else if (endp->dequeueing) {
+ endp->dequeueing = 0;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
+ return;
+ } else if (u132->going > 0) {
dev_err(&u132->platform_dev->dev, "device is being removed "
"urb=%p\n", urb);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
- return;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
+ return;
} else if (!urb->unlinked) {
- int retval;
- struct u132_ring *ring = endp->ring;
- u8 *u = urb->transfer_buffer;
- u8 *b = buf;
- int L = len;
- while (L-- > 0) {
- *u++ = *b++;
- }
- urb->actual_length = len;
- up(&u132->scheduler_lock);
- retval = usb_ftdi_elan_edset_empty(u132->platform_dev,
- ring->number, endp, urb, address, endp->usb_endp, 0x3,
- u132_hcd_initial_empty_sent);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb, retval);
- return;
- } else {
+ int retval;
+ struct u132_ring *ring = endp->ring;
+ u8 *u = urb->transfer_buffer;
+ u8 *b = buf;
+ int L = len;
+
+ while (L-- > 0)
+ *u++ = *b++;
+
+ urb->actual_length = len;
+ up(&u132->scheduler_lock);
+ retval = usb_ftdi_elan_edset_empty(u132->platform_dev,
+ ring->number, endp, urb, address, endp->usb_endp, 0x3,
+ u132_hcd_initial_empty_sent);
+ if (retval != 0)
+ u132_hcd_giveback_urb(u132, endp, urb, retval);
+ return;
+ } else {
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
- up(&u132->scheduler_lock);
+ up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- }
+ return;
+ }
}
static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf,
- int len, int toggle_bits, int error_count, int condition_code,
- int repeat_number, int halted, int skipped, int actual, int non_null)
-{
- struct u132_endp *endp = data;
- struct u132 *u132 = endp->u132;
- u8 address = u132->addr[endp->usb_addr].address;
- down(&u132->scheduler_lock);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- up(&u132->scheduler_lock);
- u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
- return;
- } else if (endp->dequeueing) {
- endp->dequeueing = 0;
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
- return;
- } else if (u132->going > 0) {
+ int len, int toggle_bits, int error_count, int condition_code,
+ int repeat_number, int halted, int skipped, int actual, int non_null)
+{
+ struct u132_endp *endp = data;
+ struct u132 *u132 = endp->u132;
+ u8 address = u132->addr[endp->usb_addr].address;
+ down(&u132->scheduler_lock);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ up(&u132->scheduler_lock);
+ u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
+ return;
+ } else if (endp->dequeueing) {
+ endp->dequeueing = 0;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
+ return;
+ } else if (u132->going > 0) {
dev_err(&u132->platform_dev->dev, "device is being removed "
"urb=%p\n", urb);
- up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
- return;
+ up(&u132->scheduler_lock);
+ u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
+ return;
} else if (!urb->unlinked) {
- int retval;
- struct u132_ring *ring = endp->ring;
- up(&u132->scheduler_lock);
- retval = usb_ftdi_elan_edset_input(u132->platform_dev,
- ring->number, endp, urb, address, endp->usb_endp, 0,
- u132_hcd_initial_input_recv);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb, retval);
- return;
- } else {
+ int retval;
+ struct u132_ring *ring = endp->ring;
+ up(&u132->scheduler_lock);
+ retval = usb_ftdi_elan_edset_input(u132->platform_dev,
+ ring->number, endp, urb, address, endp->usb_endp, 0,
+ u132_hcd_initial_input_recv);
+ if (retval != 0)
+ u132_hcd_giveback_urb(u132, endp, urb, retval);
+ return;
+ } else {
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
- up(&u132->scheduler_lock);
+ up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
- return;
- }
+ return;
+ }
}
/*
*/
static void u132_hcd_ring_work_scheduler(struct work_struct *work)
{
- struct u132_ring *ring =
+ struct u132_ring *ring =
container_of(work, struct u132_ring, scheduler.work);
- struct u132 *u132 = ring->u132;
- down(&u132->scheduler_lock);
- if (ring->in_use) {
- up(&u132->scheduler_lock);
- u132_ring_put_kref(u132, ring);
- return;
- } else if (ring->curr_endp) {
- struct u132_endp *last_endp = ring->curr_endp;
- struct list_head *scan;
- struct list_head *head = &last_endp->endp_ring;
- unsigned long wakeup = 0;
- list_for_each(scan, head) {
- struct u132_endp *endp = list_entry(scan,
- struct u132_endp, endp_ring);
- if (endp->queue_next == endp->queue_last) {
- } else if ((endp->delayed == 0)
- || time_after_eq(jiffies, endp->jiffies)) {
- ring->curr_endp = endp;
- u132_endp_cancel_work(u132, last_endp);
- u132_endp_queue_work(u132, last_endp, 0);
- up(&u132->scheduler_lock);
- u132_ring_put_kref(u132, ring);
- return;
- } else {
- unsigned long delta = endp->jiffies - jiffies;
- if (delta > wakeup)
- wakeup = delta;
- }
- }
- if (last_endp->queue_next == last_endp->queue_last) {
- } else if ((last_endp->delayed == 0) || time_after_eq(jiffies,
- last_endp->jiffies)) {
- u132_endp_cancel_work(u132, last_endp);
- u132_endp_queue_work(u132, last_endp, 0);
- up(&u132->scheduler_lock);
- u132_ring_put_kref(u132, ring);
- return;
- } else {
- unsigned long delta = last_endp->jiffies - jiffies;
- if (delta > wakeup)
- wakeup = delta;
- }
- if (wakeup > 0) {
- u132_ring_requeue_work(u132, ring, wakeup);
- up(&u132->scheduler_lock);
- return;
- } else {
- up(&u132->scheduler_lock);
- u132_ring_put_kref(u132, ring);
- return;
- }
- } else {
- up(&u132->scheduler_lock);
- u132_ring_put_kref(u132, ring);
- return;
- }
+ struct u132 *u132 = ring->u132;
+ down(&u132->scheduler_lock);
+ if (ring->in_use) {
+ up(&u132->scheduler_lock);
+ u132_ring_put_kref(u132, ring);
+ return;
+ } else if (ring->curr_endp) {
+ struct u132_endp *last_endp = ring->curr_endp;
+ struct list_head *scan;
+ struct list_head *head = &last_endp->endp_ring;
+ unsigned long wakeup = 0;
+ list_for_each(scan, head) {
+ struct u132_endp *endp = list_entry(scan,
+ struct u132_endp, endp_ring);
+ if (endp->queue_next == endp->queue_last) {
+ } else if ((endp->delayed == 0)
+ || time_after_eq(jiffies, endp->jiffies)) {
+ ring->curr_endp = endp;
+ u132_endp_cancel_work(u132, last_endp);
+ u132_endp_queue_work(u132, last_endp, 0);
+ up(&u132->scheduler_lock);
+ u132_ring_put_kref(u132, ring);
+ return;
+ } else {
+ unsigned long delta = endp->jiffies - jiffies;
+ if (delta > wakeup)
+ wakeup = delta;
+ }
+ }
+ if (last_endp->queue_next == last_endp->queue_last) {
+ } else if ((last_endp->delayed == 0) || time_after_eq(jiffies,
+ last_endp->jiffies)) {
+ u132_endp_cancel_work(u132, last_endp);
+ u132_endp_queue_work(u132, last_endp, 0);
+ up(&u132->scheduler_lock);
+ u132_ring_put_kref(u132, ring);
+ return;
+ } else {
+ unsigned long delta = last_endp->jiffies - jiffies;
+ if (delta > wakeup)
+ wakeup = delta;
+ }
+ if (wakeup > 0) {
+ u132_ring_requeue_work(u132, ring, wakeup);
+ up(&u132->scheduler_lock);
+ return;
+ } else {
+ up(&u132->scheduler_lock);
+ u132_ring_put_kref(u132, ring);
+ return;
+ }
+ } else {
+ up(&u132->scheduler_lock);
+ u132_ring_put_kref(u132, ring);
+ return;
+ }
}
static void u132_hcd_endp_work_scheduler(struct work_struct *work)
{
- struct u132_ring *ring;
- struct u132_endp *endp =
+ struct u132_ring *ring;
+ struct u132_endp *endp =
container_of(work, struct u132_endp, scheduler.work);
- struct u132 *u132 = endp->u132;
- down(&u132->scheduler_lock);
- ring = endp->ring;
- if (endp->edset_flush) {
- endp->edset_flush = 0;
- if (endp->dequeueing)
- usb_ftdi_elan_edset_flush(u132->platform_dev,
- ring->number, endp);
- up(&u132->scheduler_lock);
- u132_endp_put_kref(u132, endp);
- return;
- } else if (endp->active) {
- up(&u132->scheduler_lock);
- u132_endp_put_kref(u132, endp);
- return;
- } else if (ring->in_use) {
- up(&u132->scheduler_lock);
- u132_endp_put_kref(u132, endp);
- return;
- } else if (endp->queue_next == endp->queue_last) {
- up(&u132->scheduler_lock);
- u132_endp_put_kref(u132, endp);
- return;
- } else if (endp->pipetype == PIPE_INTERRUPT) {
- u8 address = u132->addr[endp->usb_addr].address;
- if (ring->in_use) {
- up(&u132->scheduler_lock);
- u132_endp_put_kref(u132, endp);
- return;
- } else {
- int retval;
- struct urb *urb = endp->urb_list[ENDP_QUEUE_MASK &
- endp->queue_next];
- endp->active = 1;
- ring->curr_endp = endp;
- ring->in_use = 1;
- up(&u132->scheduler_lock);
- retval = edset_single(u132, ring, endp, urb, address,
- endp->toggle_bits, u132_hcd_interrupt_recv);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb, retval);
- return;
- }
- } else if (endp->pipetype == PIPE_CONTROL) {
- u8 address = u132->addr[endp->usb_addr].address;
- if (ring->in_use) {
- up(&u132->scheduler_lock);
- u132_endp_put_kref(u132, endp);
- return;
- } else if (address == 0) {
- int retval;
- struct urb *urb = endp->urb_list[ENDP_QUEUE_MASK &
- endp->queue_next];
- endp->active = 1;
- ring->curr_endp = endp;
- ring->in_use = 1;
- up(&u132->scheduler_lock);
- retval = edset_setup(u132, ring, endp, urb, address,
- 0x2, u132_hcd_initial_setup_sent);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb, retval);
- return;
- } else if (endp->usb_addr == 0) {
- int retval;
- struct urb *urb = endp->urb_list[ENDP_QUEUE_MASK &
- endp->queue_next];
- endp->active = 1;
- ring->curr_endp = endp;
- ring->in_use = 1;
- up(&u132->scheduler_lock);
- retval = edset_setup(u132, ring, endp, urb, 0, 0x2,
- u132_hcd_enumeration_address_sent);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb, retval);
- return;
- } else {
- int retval;
- u8 address = u132->addr[endp->usb_addr].address;
- struct urb *urb = endp->urb_list[ENDP_QUEUE_MASK &
- endp->queue_next];
- endp->active = 1;
- ring->curr_endp = endp;
- ring->in_use = 1;
- up(&u132->scheduler_lock);
- retval = edset_setup(u132, ring, endp, urb, address,
- 0x2, u132_hcd_configure_setup_sent);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb, retval);
- return;
- }
- } else {
- if (endp->input) {
- u8 address = u132->addr[endp->usb_addr].address;
- if (ring->in_use) {
- up(&u132->scheduler_lock);
- u132_endp_put_kref(u132, endp);
- return;
- } else {
- int retval;
- struct urb *urb = endp->urb_list[
- ENDP_QUEUE_MASK & endp->queue_next];
- endp->active = 1;
- ring->curr_endp = endp;
- ring->in_use = 1;
- up(&u132->scheduler_lock);
- retval = edset_input(u132, ring, endp, urb,
- address, endp->toggle_bits,
- u132_hcd_bulk_input_recv);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb,
- retval);
- return;
- }
- } else { /* output pipe */
- u8 address = u132->addr[endp->usb_addr].address;
- if (ring->in_use) {
- up(&u132->scheduler_lock);
- u132_endp_put_kref(u132, endp);
- return;
- } else {
- int retval;
- struct urb *urb = endp->urb_list[
- ENDP_QUEUE_MASK & endp->queue_next];
- endp->active = 1;
- ring->curr_endp = endp;
- ring->in_use = 1;
- up(&u132->scheduler_lock);
- retval = edset_output(u132, ring, endp, urb,
- address, endp->toggle_bits,
- u132_hcd_bulk_output_sent);
- if (retval == 0) {
- } else
- u132_hcd_giveback_urb(u132, endp, urb,
- retval);
- return;
- }
- }
- }
+ struct u132 *u132 = endp->u132;
+ down(&u132->scheduler_lock);
+ ring = endp->ring;
+ if (endp->edset_flush) {
+ endp->edset_flush = 0;
+ if (endp->dequeueing)
+ usb_ftdi_elan_edset_flush(u132->platform_dev,
+ ring->number, endp);
+ up(&u132->scheduler_lock);
+ u132_endp_put_kref(u132, endp);
+ return;
+ } else if (endp->active) {
+ up(&u132->scheduler_lock);
+ u132_endp_put_kref(u132, endp);
+ return;
+ } else if (ring->in_use) {
+ up(&u132->scheduler_lock);
+ u132_endp_put_kref(u132, endp);
+ return;
+ } else if (endp->queue_next == endp->queue_last) {
+ up(&u132->scheduler_lock);
+ u132_endp_put_kref(u132, endp);
+ return;
+ } else if (endp->pipetype == PIPE_INTERRUPT) {
+ u8 address = u132->addr[endp->usb_addr].address;
+ if (ring->in_use) {
+ up(&u132->scheduler_lock);
+ u132_endp_put_kref(u132, endp);
+ return;
+ } else {
+ int retval;
+ struct urb *urb = endp->urb_list[ENDP_QUEUE_MASK &
+ endp->queue_next];
+ endp->active = 1;
+ ring->curr_endp = endp;
+ ring->in_use = 1;
+ up(&u132->scheduler_lock);
+ retval = edset_single(u132, ring, endp, urb, address,
+ endp->toggle_bits, u132_hcd_interrupt_recv);
+ if (retval != 0)
+ u132_hcd_giveback_urb(u132, endp, urb, retval);
+ return;
+ }
+ } else if (endp->pipetype == PIPE_CONTROL) {
+ u8 address = u132->addr[endp->usb_addr].address;
+ if (ring->in_use) {
+ up(&u132->scheduler_lock);
+ u132_endp_put_kref(u132, endp);
+ return;
+ } else if (address == 0) {
+ int retval;
+ struct urb *urb = endp->urb_list[ENDP_QUEUE_MASK &
+ endp->queue_next];
+ endp->active = 1;
+ ring->curr_endp = endp;
+ ring->in_use = 1;
+ up(&u132->scheduler_lock);
+ retval = edset_setup(u132, ring, endp, urb, address,
+ 0x2, u132_hcd_initial_setup_sent);
+ if (retval != 0)
+ u132_hcd_giveback_urb(u132, endp, urb, retval);
+ return;
+ } else if (endp->usb_addr == 0) {
+ int retval;
+ struct urb *urb = endp->urb_list[ENDP_QUEUE_MASK &
+ endp->queue_next];
+ endp->active = 1;
+ ring->curr_endp = endp;
+ ring->in_use = 1;
+ up(&u132->scheduler_lock);
+ retval = edset_setup(u132, ring, endp, urb, 0, 0x2,
+ u132_hcd_enumeration_address_sent);
+ if (retval != 0)
+ u132_hcd_giveback_urb(u132, endp, urb, retval);
+ return;
+ } else {
+ int retval;
+ u8 address = u132->addr[endp->usb_addr].address;
+ struct urb *urb = endp->urb_list[ENDP_QUEUE_MASK &
+ endp->queue_next];
+ endp->active = 1;
+ ring->curr_endp = endp;
+ ring->in_use = 1;
+ up(&u132->scheduler_lock);
+ retval = edset_setup(u132, ring, endp, urb, address,
+ 0x2, u132_hcd_configure_setup_sent);
+ if (retval != 0)
+ u132_hcd_giveback_urb(u132, endp, urb, retval);
+ return;
+ }
+ } else {
+ if (endp->input) {
+ u8 address = u132->addr[endp->usb_addr].address;
+ if (ring->in_use) {
+ up(&u132->scheduler_lock);
+ u132_endp_put_kref(u132, endp);
+ return;
+ } else {
+ int retval;
+ struct urb *urb = endp->urb_list[
+ ENDP_QUEUE_MASK & endp->queue_next];
+ endp->active = 1;
+ ring->curr_endp = endp;
+ ring->in_use = 1;
+ up(&u132->scheduler_lock);
+ retval = edset_input(u132, ring, endp, urb,
+ address, endp->toggle_bits,
+ u132_hcd_bulk_input_recv);
+ if (retval == 0) {
+ } else
+ u132_hcd_giveback_urb(u132, endp, urb,
+ retval);
+ return;
+ }
+ } else { /* output pipe */
+ u8 address = u132->addr[endp->usb_addr].address;
+ if (ring->in_use) {
+ up(&u132->scheduler_lock);
+ u132_endp_put_kref(u132, endp);
+ return;
+ } else {
+ int retval;
+ struct urb *urb = endp->urb_list[
+ ENDP_QUEUE_MASK & endp->queue_next];
+ endp->active = 1;
+ ring->curr_endp = endp;
+ ring->in_use = 1;
+ up(&u132->scheduler_lock);
+ retval = edset_output(u132, ring, endp, urb,
+ address, endp->toggle_bits,
+ u132_hcd_bulk_output_sent);
+ if (retval == 0) {
+ } else
+ u132_hcd_giveback_urb(u132, endp, urb,
+ retval);
+ return;
+ }
+ }
+ }
}
#ifdef CONFIG_PM
static void port_power(struct u132 *u132, int pn, int is_on)
{
- u132->port[pn].power = is_on;
+ u132->port[pn].power = is_on;
}
#endif
static void u132_power(struct u132 *u132, int is_on)
{
- struct usb_hcd *hcd = u132_to_hcd(u132)
- ; /* hub is inactive unless the port is powered */
- if (is_on) {
- if (u132->power)
- return;
- u132->power = 1;
- } else {
- u132->power = 0;
- hcd->state = HC_STATE_HALT;
- }
+ struct usb_hcd *hcd = u132_to_hcd(u132)
+ ; /* hub is inactive unless the port is powered */
+ if (is_on) {
+ if (u132->power)
+ return;
+ u132->power = 1;
+ } else {
+ u132->power = 0;
+ hcd->state = HC_STATE_HALT;
+ }
}
static int u132_periodic_reinit(struct u132 *u132)
{
- int retval;
- u32 fi = u132->hc_fminterval & 0x03fff;
- u32 fit;
- u32 fminterval;
- retval = u132_read_pcimem(u132, fminterval, &fminterval);
- if (retval)
- return retval;
- fit = fminterval & FIT;
- retval = u132_write_pcimem(u132, fminterval,
- (fit ^ FIT) | u132->hc_fminterval);
- if (retval)
- return retval;
- retval = u132_write_pcimem(u132, periodicstart,
- ((9 *fi) / 10) & 0x3fff);
- if (retval)
- return retval;
- return 0;
+ int retval;
+ u32 fi = u132->hc_fminterval & 0x03fff;
+ u32 fit;
+ u32 fminterval;
+ retval = u132_read_pcimem(u132, fminterval, &fminterval);
+ if (retval)
+ return retval;
+ fit = fminterval & FIT;
+ retval = u132_write_pcimem(u132, fminterval,
+ (fit ^ FIT) | u132->hc_fminterval);
+ if (retval)
+ return retval;
+ retval = u132_write_pcimem(u132, periodicstart,
+ ((9 * fi) / 10) & 0x3fff);
+ if (retval)
+ return retval;
+ return 0;
}
static char *hcfs2string(int state)
{
- switch (state) {
- case OHCI_USB_RESET:
- return "reset";
- case OHCI_USB_RESUME:
- return "resume";
- case OHCI_USB_OPER:
- return "operational";
- case OHCI_USB_SUSPEND:
- return "suspend";
- }
- return "?";
+ switch (state) {
+ case OHCI_USB_RESET:
+ return "reset";
+ case OHCI_USB_RESUME:
+ return "resume";
+ case OHCI_USB_OPER:
+ return "operational";
+ case OHCI_USB_SUSPEND:
+ return "suspend";
+ }
+ return "?";
}
static int u132_init(struct u132 *u132)
{
- int retval;
- u32 control;
- u132_disable(u132);
- u132->next_statechange = jiffies;
- retval = u132_write_pcimem(u132, intrdisable, OHCI_INTR_MIE);
- if (retval)
- return retval;
- retval = u132_read_pcimem(u132, control, &control);
- if (retval)
- return retval;
- if (u132->num_ports == 0) {
- u32 rh_a = -1;
- retval = u132_read_pcimem(u132, roothub.a, &rh_a);
- if (retval)
- return retval;
- u132->num_ports = rh_a & RH_A_NDP;
- retval = read_roothub_info(u132);
- if (retval)
- return retval;
- }
- if (u132->num_ports > MAX_U132_PORTS) {
- return -EINVAL;
- }
- return 0;
+ int retval;
+ u32 control;
+ u132_disable(u132);
+ u132->next_statechange = jiffies;
+ retval = u132_write_pcimem(u132, intrdisable, OHCI_INTR_MIE);
+ if (retval)
+ return retval;
+ retval = u132_read_pcimem(u132, control, &control);
+ if (retval)
+ return retval;
+ if (u132->num_ports == 0) {
+ u32 rh_a = -1;
+ retval = u132_read_pcimem(u132, roothub.a, &rh_a);
+ if (retval)
+ return retval;
+ u132->num_ports = rh_a & RH_A_NDP;
+ retval = read_roothub_info(u132);
+ if (retval)
+ return retval;
+ }
+ if (u132->num_ports > MAX_U132_PORTS)
+ return -EINVAL;
+
+ return 0;
}
*/
static int u132_run(struct u132 *u132)
{
- int retval;
- u32 control;
- u32 status;
- u32 fminterval;
- u32 periodicstart;
- u32 cmdstatus;
- u32 roothub_a;
- int mask = OHCI_INTR_INIT;
- int first = u132->hc_fminterval == 0;
- int sleep_time = 0;
- int reset_timeout = 30; /* ... allow extra time */
- u132_disable(u132);
- if (first) {
- u32 temp;
- retval = u132_read_pcimem(u132, fminterval, &temp);
- if (retval)
- return retval;
- u132->hc_fminterval = temp & 0x3fff;
- if (u132->hc_fminterval != FI) {
- }
- u132->hc_fminterval |= FSMP(u132->hc_fminterval) << 16;
- }
- retval = u132_read_pcimem(u132, control, &u132->hc_control);
- if (retval)
- return retval;
- dev_info(&u132->platform_dev->dev, "resetting from state '%s', control "
- "= %08X\n", hcfs2string(u132->hc_control & OHCI_CTRL_HCFS),
- u132->hc_control);
- switch (u132->hc_control & OHCI_CTRL_HCFS) {
- case OHCI_USB_OPER:
- sleep_time = 0;
- break;
- case OHCI_USB_SUSPEND:
- case OHCI_USB_RESUME:
- u132->hc_control &= OHCI_CTRL_RWC;
- u132->hc_control |= OHCI_USB_RESUME;
- sleep_time = 10;
- break;
- default:
- u132->hc_control &= OHCI_CTRL_RWC;
- u132->hc_control |= OHCI_USB_RESET;
- sleep_time = 50;
- break;
- }
- retval = u132_write_pcimem(u132, control, u132->hc_control);
- if (retval)
- return retval;
- retval = u132_read_pcimem(u132, control, &control);
- if (retval)
- return retval;
- msleep(sleep_time);
- retval = u132_read_pcimem(u132, roothub.a, &roothub_a);
- if (retval)
- return retval;
- if (!(roothub_a & RH_A_NPS)) {
- int temp; /* power down each port */
- for (temp = 0; temp < u132->num_ports; temp++) {
- retval = u132_write_pcimem(u132,
- roothub.portstatus[temp], RH_PS_LSDA);
- if (retval)
- return retval;
- }
- }
- retval = u132_read_pcimem(u132, control, &control);
- if (retval)
- return retval;
- retry:retval = u132_read_pcimem(u132, cmdstatus, &status);
- if (retval)
- return retval;
- retval = u132_write_pcimem(u132, cmdstatus, OHCI_HCR);
- if (retval)
- return retval;
- extra:{
- retval = u132_read_pcimem(u132, cmdstatus, &status);
- if (retval)
- return retval;
- if (0 != (status & OHCI_HCR)) {
- if (--reset_timeout == 0) {
- dev_err(&u132->platform_dev->dev, "USB HC reset"
- " timed out!\n");
- return -ENODEV;
- } else {
- msleep(5);
- goto extra;
- }
- }
- }
- if (u132->flags & OHCI_QUIRK_INITRESET) {
- retval = u132_write_pcimem(u132, control, u132->hc_control);
- if (retval)
- return retval;
- retval = u132_read_pcimem(u132, control, &control);
- if (retval)
- return retval;
- }
- retval = u132_write_pcimem(u132, ed_controlhead, 0x00000000);
- if (retval)
- return retval;
- retval = u132_write_pcimem(u132, ed_bulkhead, 0x11000000);
- if (retval)
- return retval;
- retval = u132_write_pcimem(u132, hcca, 0x00000000);
- if (retval)
- return retval;
- retval = u132_periodic_reinit(u132);
- if (retval)
- return retval;
- retval = u132_read_pcimem(u132, fminterval, &fminterval);
- if (retval)
- return retval;
- retval = u132_read_pcimem(u132, periodicstart, &periodicstart);
- if (retval)
- return retval;
- if (0 == (fminterval & 0x3fff0000) || 0 == periodicstart) {
- if (!(u132->flags & OHCI_QUIRK_INITRESET)) {
- u132->flags |= OHCI_QUIRK_INITRESET;
- goto retry;
- } else
- dev_err(&u132->platform_dev->dev, "init err(%08x %04x)"
- "\n", fminterval, periodicstart);
- } /* start controller operations */
- u132->hc_control &= OHCI_CTRL_RWC;
- u132->hc_control |= OHCI_CONTROL_INIT | OHCI_CTRL_BLE | OHCI_USB_OPER;
- retval = u132_write_pcimem(u132, control, u132->hc_control);
- if (retval)
- return retval;
- retval = u132_write_pcimem(u132, cmdstatus, OHCI_BLF);
- if (retval)
- return retval;
- retval = u132_read_pcimem(u132, cmdstatus, &cmdstatus);
- if (retval)
- return retval;
- retval = u132_read_pcimem(u132, control, &control);
- if (retval)
- return retval;
- u132_to_hcd(u132)->state = HC_STATE_RUNNING;
- retval = u132_write_pcimem(u132, roothub.status, RH_HS_DRWE);
- if (retval)
- return retval;
- retval = u132_write_pcimem(u132, intrstatus, mask);
- if (retval)
- return retval;
- retval = u132_write_pcimem(u132, intrdisable,
- OHCI_INTR_MIE | OHCI_INTR_OC | OHCI_INTR_RHSC | OHCI_INTR_FNO |
- OHCI_INTR_UE | OHCI_INTR_RD | OHCI_INTR_SF | OHCI_INTR_WDH |
- OHCI_INTR_SO);
- if (retval)
- return retval; /* handle root hub init quirks ... */
- retval = u132_read_pcimem(u132, roothub.a, &roothub_a);
- if (retval)
- return retval;
- roothub_a &= ~(RH_A_PSM | RH_A_OCPM);
- if (u132->flags & OHCI_QUIRK_SUPERIO) {
- roothub_a |= RH_A_NOCP;
- roothub_a &= ~(RH_A_POTPGT | RH_A_NPS);
- retval = u132_write_pcimem(u132, roothub.a, roothub_a);
- if (retval)
- return retval;
- } else if ((u132->flags & OHCI_QUIRK_AMD756) || distrust_firmware) {
- roothub_a |= RH_A_NPS;
- retval = u132_write_pcimem(u132, roothub.a, roothub_a);
- if (retval)
- return retval;
- }
- retval = u132_write_pcimem(u132, roothub.status, RH_HS_LPSC);
- if (retval)
- return retval;
- retval = u132_write_pcimem(u132, roothub.b,
- (roothub_a & RH_A_NPS) ? 0 : RH_B_PPCM);
- if (retval)
- return retval;
- retval = u132_read_pcimem(u132, control, &control);
- if (retval)
- return retval;
- mdelay((roothub_a >> 23) & 0x1fe);
- u132_to_hcd(u132)->state = HC_STATE_RUNNING;
- return 0;
+ int retval;
+ u32 control;
+ u32 status;
+ u32 fminterval;
+ u32 periodicstart;
+ u32 cmdstatus;
+ u32 roothub_a;
+ int mask = OHCI_INTR_INIT;
+ int first = u132->hc_fminterval == 0;
+ int sleep_time = 0;
+ int reset_timeout = 30; /* ... allow extra time */
+ u132_disable(u132);
+ if (first) {
+ u32 temp;
+ retval = u132_read_pcimem(u132, fminterval, &temp);
+ if (retval)
+ return retval;
+ u132->hc_fminterval = temp & 0x3fff;
+ u132->hc_fminterval |= FSMP(u132->hc_fminterval) << 16;
+ }
+ retval = u132_read_pcimem(u132, control, &u132->hc_control);
+ if (retval)
+ return retval;
+ dev_info(&u132->platform_dev->dev, "resetting from state '%s', control "
+ "= %08X\n", hcfs2string(u132->hc_control & OHCI_CTRL_HCFS),
+ u132->hc_control);
+ switch (u132->hc_control & OHCI_CTRL_HCFS) {
+ case OHCI_USB_OPER:
+ sleep_time = 0;
+ break;
+ case OHCI_USB_SUSPEND:
+ case OHCI_USB_RESUME:
+ u132->hc_control &= OHCI_CTRL_RWC;
+ u132->hc_control |= OHCI_USB_RESUME;
+ sleep_time = 10;
+ break;
+ default:
+ u132->hc_control &= OHCI_CTRL_RWC;
+ u132->hc_control |= OHCI_USB_RESET;
+ sleep_time = 50;
+ break;
+ }
+ retval = u132_write_pcimem(u132, control, u132->hc_control);
+ if (retval)
+ return retval;
+ retval = u132_read_pcimem(u132, control, &control);
+ if (retval)
+ return retval;
+ msleep(sleep_time);
+ retval = u132_read_pcimem(u132, roothub.a, &roothub_a);
+ if (retval)
+ return retval;
+ if (!(roothub_a & RH_A_NPS)) {
+ int temp; /* power down each port */
+ for (temp = 0; temp < u132->num_ports; temp++) {
+ retval = u132_write_pcimem(u132,
+ roothub.portstatus[temp], RH_PS_LSDA);
+ if (retval)
+ return retval;
+ }
+ }
+ retval = u132_read_pcimem(u132, control, &control);
+ if (retval)
+ return retval;
+retry:
+ retval = u132_read_pcimem(u132, cmdstatus, &status);
+ if (retval)
+ return retval;
+ retval = u132_write_pcimem(u132, cmdstatus, OHCI_HCR);
+ if (retval)
+ return retval;
+extra: {
+ retval = u132_read_pcimem(u132, cmdstatus, &status);
+ if (retval)
+ return retval;
+ if (0 != (status & OHCI_HCR)) {
+ if (--reset_timeout == 0) {
+ dev_err(&u132->platform_dev->dev, "USB HC reset"
+ " timed out!\n");
+ return -ENODEV;
+ } else {
+ msleep(5);
+ goto extra;
+ }
+ }
+ }
+ if (u132->flags & OHCI_QUIRK_INITRESET) {
+ retval = u132_write_pcimem(u132, control, u132->hc_control);
+ if (retval)
+ return retval;
+ retval = u132_read_pcimem(u132, control, &control);
+ if (retval)
+ return retval;
+ }
+ retval = u132_write_pcimem(u132, ed_controlhead, 0x00000000);
+ if (retval)
+ return retval;
+ retval = u132_write_pcimem(u132, ed_bulkhead, 0x11000000);
+ if (retval)
+ return retval;
+ retval = u132_write_pcimem(u132, hcca, 0x00000000);
+ if (retval)
+ return retval;
+ retval = u132_periodic_reinit(u132);
+ if (retval)
+ return retval;
+ retval = u132_read_pcimem(u132, fminterval, &fminterval);
+ if (retval)
+ return retval;
+ retval = u132_read_pcimem(u132, periodicstart, &periodicstart);
+ if (retval)
+ return retval;
+ if (0 == (fminterval & 0x3fff0000) || 0 == periodicstart) {
+ if (!(u132->flags & OHCI_QUIRK_INITRESET)) {
+ u132->flags |= OHCI_QUIRK_INITRESET;
+ goto retry;
+ } else
+ dev_err(&u132->platform_dev->dev, "init err(%08x %04x)"
+ "\n", fminterval, periodicstart);
+ } /* start controller operations */
+ u132->hc_control &= OHCI_CTRL_RWC;
+ u132->hc_control |= OHCI_CONTROL_INIT | OHCI_CTRL_BLE | OHCI_USB_OPER;
+ retval = u132_write_pcimem(u132, control, u132->hc_control);
+ if (retval)
+ return retval;
+ retval = u132_write_pcimem(u132, cmdstatus, OHCI_BLF);
+ if (retval)
+ return retval;
+ retval = u132_read_pcimem(u132, cmdstatus, &cmdstatus);
+ if (retval)
+ return retval;
+ retval = u132_read_pcimem(u132, control, &control);
+ if (retval)
+ return retval;
+ u132_to_hcd(u132)->state = HC_STATE_RUNNING;
+ retval = u132_write_pcimem(u132, roothub.status, RH_HS_DRWE);
+ if (retval)
+ return retval;
+ retval = u132_write_pcimem(u132, intrstatus, mask);
+ if (retval)
+ return retval;
+ retval = u132_write_pcimem(u132, intrdisable,
+ OHCI_INTR_MIE | OHCI_INTR_OC | OHCI_INTR_RHSC | OHCI_INTR_FNO |
+ OHCI_INTR_UE | OHCI_INTR_RD | OHCI_INTR_SF | OHCI_INTR_WDH |
+ OHCI_INTR_SO);
+ if (retval)
+ return retval; /* handle root hub init quirks ... */
+ retval = u132_read_pcimem(u132, roothub.a, &roothub_a);
+ if (retval)
+ return retval;
+ roothub_a &= ~(RH_A_PSM | RH_A_OCPM);
+ if (u132->flags & OHCI_QUIRK_SUPERIO) {
+ roothub_a |= RH_A_NOCP;
+ roothub_a &= ~(RH_A_POTPGT | RH_A_NPS);
+ retval = u132_write_pcimem(u132, roothub.a, roothub_a);
+ if (retval)
+ return retval;
+ } else if ((u132->flags & OHCI_QUIRK_AMD756) || distrust_firmware) {
+ roothub_a |= RH_A_NPS;
+ retval = u132_write_pcimem(u132, roothub.a, roothub_a);
+ if (retval)
+ return retval;
+ }
+ retval = u132_write_pcimem(u132, roothub.status, RH_HS_LPSC);
+ if (retval)
+ return retval;
+ retval = u132_write_pcimem(u132, roothub.b,
+ (roothub_a & RH_A_NPS) ? 0 : RH_B_PPCM);
+ if (retval)
+ return retval;
+ retval = u132_read_pcimem(u132, control, &control);
+ if (retval)
+ return retval;
+ mdelay((roothub_a >> 23) & 0x1fe);
+ u132_to_hcd(u132)->state = HC_STATE_RUNNING;
+ return 0;
}
static void u132_hcd_stop(struct usb_hcd *hcd)
{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "u132 device %p(hcd=%p) has b"
- "een removed %d\n", u132, hcd, u132->going);
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device hcd=%p is being remov"
- "ed\n", hcd);
- } else {
- mutex_lock(&u132->sw_lock);
- msleep(100);
- u132_power(u132, 0);
- mutex_unlock(&u132->sw_lock);
- }
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "u132 device %p(hcd=%p) has b"
+ "een removed %d\n", u132, hcd, u132->going);
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device hcd=%p is being remov"
+ "ed\n", hcd);
+ } else {
+ mutex_lock(&u132->sw_lock);
+ msleep(100);
+ u132_power(u132, 0);
+ mutex_unlock(&u132->sw_lock);
+ }
}
static int u132_hcd_start(struct usb_hcd *hcd)
{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- return -ENODEV;
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device is being removed\n");
- return -ESHUTDOWN;
- } else if (hcd->self.controller) {
- int retval;
- struct platform_device *pdev =
- to_platform_device(hcd->self.controller);
- u16 vendor = ((struct u132_platform_data *)
- (pdev->dev.platform_data))->vendor;
- u16 device = ((struct u132_platform_data *)
- (pdev->dev.platform_data))->device;
- mutex_lock(&u132->sw_lock);
- msleep(10);
- if (vendor == PCI_VENDOR_ID_AMD && device == 0x740c) {
- u132->flags = OHCI_QUIRK_AMD756;
- } else if (vendor == PCI_VENDOR_ID_OPTI && device == 0xc861) {
- dev_err(&u132->platform_dev->dev, "WARNING: OPTi workar"
- "ounds unavailable\n");
- } else if (vendor == PCI_VENDOR_ID_COMPAQ && device == 0xa0f8)
- u132->flags |= OHCI_QUIRK_ZFMICRO;
- retval = u132_run(u132);
- if (retval) {
- u132_disable(u132);
- u132->going = 1;
- }
- msleep(100);
- mutex_unlock(&u132->sw_lock);
- return retval;
- } else {
- dev_err(&u132->platform_dev->dev, "platform_device missing\n");
- return -ENODEV;
- }
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ return -ENODEV;
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device is being removed\n");
+ return -ESHUTDOWN;
+ } else if (hcd->self.controller) {
+ int retval;
+ struct platform_device *pdev =
+ to_platform_device(hcd->self.controller);
+ u16 vendor = ((struct u132_platform_data *)
+ (pdev->dev.platform_data))->vendor;
+ u16 device = ((struct u132_platform_data *)
+ (pdev->dev.platform_data))->device;
+ mutex_lock(&u132->sw_lock);
+ msleep(10);
+ if (vendor == PCI_VENDOR_ID_AMD && device == 0x740c) {
+ u132->flags = OHCI_QUIRK_AMD756;
+ } else if (vendor == PCI_VENDOR_ID_OPTI && device == 0xc861) {
+ dev_err(&u132->platform_dev->dev, "WARNING: OPTi workar"
+ "ounds unavailable\n");
+ } else if (vendor == PCI_VENDOR_ID_COMPAQ && device == 0xa0f8)
+ u132->flags |= OHCI_QUIRK_ZFMICRO;
+ retval = u132_run(u132);
+ if (retval) {
+ u132_disable(u132);
+ u132->going = 1;
+ }
+ msleep(100);
+ mutex_unlock(&u132->sw_lock);
+ return retval;
+ } else {
+ dev_err(&u132->platform_dev->dev, "platform_device missing\n");
+ return -ENODEV;
+ }
}
static int u132_hcd_reset(struct usb_hcd *hcd)
{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- return -ENODEV;
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device is being removed\n");
- return -ESHUTDOWN;
- } else {
- int retval;
- mutex_lock(&u132->sw_lock);
- retval = u132_init(u132);
- if (retval) {
- u132_disable(u132);
- u132->going = 1;
- }
- mutex_unlock(&u132->sw_lock);
- return retval;
- }
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ return -ENODEV;
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device is being removed\n");
+ return -ESHUTDOWN;
+ } else {
+ int retval;
+ mutex_lock(&u132->sw_lock);
+ retval = u132_init(u132);
+ if (retval) {
+ u132_disable(u132);
+ u132->going = 1;
+ }
+ mutex_unlock(&u132->sw_lock);
+ return retval;
+ }
}
static int create_endpoint_and_queue_int(struct u132 *u132,
struct u132_udev *udev, struct urb *urb,
- struct usb_device *usb_dev, u8 usb_addr, u8 usb_endp, u8 address,
- gfp_t mem_flags)
+ struct usb_device *usb_dev, u8 usb_addr, u8 usb_endp, u8 address,
+ gfp_t mem_flags)
{
- struct u132_ring *ring;
- unsigned long irqs;
+ struct u132_ring *ring;
+ unsigned long irqs;
int rc;
u8 endp_number;
struct u132_endp *endp = kmalloc(sizeof(struct u132_endp), mem_flags);
- if (!endp) {
- return -ENOMEM;
- }
+ if (!endp)
+ return -ENOMEM;
spin_lock_init(&endp->queue_lock.slock);
spin_lock_irqsave(&endp->queue_lock.slock, irqs);
endp_number = ++u132->num_endpoints;
urb->ep->hcpriv = u132->endp[endp_number - 1] = endp;
- INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler);
- INIT_LIST_HEAD(&endp->urb_more);
- ring = endp->ring = &u132->ring[0];
- if (ring->curr_endp) {
- list_add_tail(&endp->endp_ring, &ring->curr_endp->endp_ring);
- } else {
- INIT_LIST_HEAD(&endp->endp_ring);
- ring->curr_endp = endp;
- }
- ring->length += 1;
- endp->dequeueing = 0;
- endp->edset_flush = 0;
- endp->active = 0;
- endp->delayed = 0;
- endp->endp_number = endp_number;
- endp->u132 = u132;
+ INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler);
+ INIT_LIST_HEAD(&endp->urb_more);
+ ring = endp->ring = &u132->ring[0];
+ if (ring->curr_endp) {
+ list_add_tail(&endp->endp_ring, &ring->curr_endp->endp_ring);
+ } else {
+ INIT_LIST_HEAD(&endp->endp_ring);
+ ring->curr_endp = endp;
+ }
+ ring->length += 1;
+ endp->dequeueing = 0;
+ endp->edset_flush = 0;
+ endp->active = 0;
+ endp->delayed = 0;
+ endp->endp_number = endp_number;
+ endp->u132 = u132;
endp->hep = urb->ep;
- endp->pipetype = usb_pipetype(urb->pipe);
- u132_endp_init_kref(u132, endp);
- if (usb_pipein(urb->pipe)) {
- endp->toggle_bits = 0x2;
- usb_settoggle(udev->usb_device, usb_endp, 0, 0);
- endp->input = 1;
- endp->output = 0;
- udev->endp_number_in[usb_endp] = endp_number;
- u132_udev_get_kref(u132, udev);
- } else {
- endp->toggle_bits = 0x2;
- usb_settoggle(udev->usb_device, usb_endp, 1, 0);
- endp->input = 0;
- endp->output = 1;
- udev->endp_number_out[usb_endp] = endp_number;
- u132_udev_get_kref(u132, udev);
- }
- urb->hcpriv = u132;
- endp->delayed = 1;
- endp->jiffies = jiffies + msecs_to_jiffies(urb->interval);
- endp->udev_number = address;
- endp->usb_addr = usb_addr;
- endp->usb_endp = usb_endp;
- endp->queue_size = 1;
- endp->queue_last = 0;
- endp->queue_next = 0;
- endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] = urb;
- spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- u132_endp_queue_work(u132, endp, msecs_to_jiffies(urb->interval));
- return 0;
+ endp->pipetype = usb_pipetype(urb->pipe);
+ u132_endp_init_kref(u132, endp);
+ if (usb_pipein(urb->pipe)) {
+ endp->toggle_bits = 0x2;
+ usb_settoggle(udev->usb_device, usb_endp, 0, 0);
+ endp->input = 1;
+ endp->output = 0;
+ udev->endp_number_in[usb_endp] = endp_number;
+ u132_udev_get_kref(u132, udev);
+ } else {
+ endp->toggle_bits = 0x2;
+ usb_settoggle(udev->usb_device, usb_endp, 1, 0);
+ endp->input = 0;
+ endp->output = 1;
+ udev->endp_number_out[usb_endp] = endp_number;
+ u132_udev_get_kref(u132, udev);
+ }
+ urb->hcpriv = u132;
+ endp->delayed = 1;
+ endp->jiffies = jiffies + msecs_to_jiffies(urb->interval);
+ endp->udev_number = address;
+ endp->usb_addr = usb_addr;
+ endp->usb_endp = usb_endp;
+ endp->queue_size = 1;
+ endp->queue_last = 0;
+ endp->queue_next = 0;
+ endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] = urb;
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ u132_endp_queue_work(u132, endp, msecs_to_jiffies(urb->interval));
+ return 0;
}
static int queue_int_on_old_endpoint(struct u132 *u132,
struct u132_udev *udev, struct urb *urb,
- struct usb_device *usb_dev, struct u132_endp *endp, u8 usb_addr,
- u8 usb_endp, u8 address)
-{
- urb->hcpriv = u132;
- endp->delayed = 1;
- endp->jiffies = jiffies + msecs_to_jiffies(urb->interval);
- if (endp->queue_size++ < ENDP_QUEUE_SIZE) {
- endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] = urb;
- } else {
- struct u132_urbq *urbq = kmalloc(sizeof(struct u132_urbq),
- GFP_ATOMIC);
- if (urbq == NULL) {
- endp->queue_size -= 1;
- return -ENOMEM;
- } else {
- list_add_tail(&urbq->urb_more, &endp->urb_more);
- urbq->urb = urb;
- }
- }
- return 0;
+ struct usb_device *usb_dev, struct u132_endp *endp, u8 usb_addr,
+ u8 usb_endp, u8 address)
+{
+ urb->hcpriv = u132;
+ endp->delayed = 1;
+ endp->jiffies = jiffies + msecs_to_jiffies(urb->interval);
+ if (endp->queue_size++ < ENDP_QUEUE_SIZE) {
+ endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] = urb;
+ } else {
+ struct u132_urbq *urbq = kmalloc(sizeof(struct u132_urbq),
+ GFP_ATOMIC);
+ if (urbq == NULL) {
+ endp->queue_size -= 1;
+ return -ENOMEM;
+ } else {
+ list_add_tail(&urbq->urb_more, &endp->urb_more);
+ urbq->urb = urb;
+ }
+ }
+ return 0;
}
static int create_endpoint_and_queue_bulk(struct u132 *u132,
struct u132_udev *udev, struct urb *urb,
- struct usb_device *usb_dev, u8 usb_addr, u8 usb_endp, u8 address,
- gfp_t mem_flags)
+ struct usb_device *usb_dev, u8 usb_addr, u8 usb_endp, u8 address,
+ gfp_t mem_flags)
{
- int ring_number;
- struct u132_ring *ring;
- unsigned long irqs;
+ int ring_number;
+ struct u132_ring *ring;
+ unsigned long irqs;
int rc;
u8 endp_number;
struct u132_endp *endp = kmalloc(sizeof(struct u132_endp), mem_flags);
- if (!endp) {
- return -ENOMEM;
- }
+ if (!endp)
+ return -ENOMEM;
spin_lock_init(&endp->queue_lock.slock);
spin_lock_irqsave(&endp->queue_lock.slock, irqs);
endp_number = ++u132->num_endpoints;
urb->ep->hcpriv = u132->endp[endp_number - 1] = endp;
- INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler);
- INIT_LIST_HEAD(&endp->urb_more);
- endp->dequeueing = 0;
- endp->edset_flush = 0;
- endp->active = 0;
- endp->delayed = 0;
- endp->endp_number = endp_number;
- endp->u132 = u132;
+ INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler);
+ INIT_LIST_HEAD(&endp->urb_more);
+ endp->dequeueing = 0;
+ endp->edset_flush = 0;
+ endp->active = 0;
+ endp->delayed = 0;
+ endp->endp_number = endp_number;
+ endp->u132 = u132;
endp->hep = urb->ep;
- endp->pipetype = usb_pipetype(urb->pipe);
- u132_endp_init_kref(u132, endp);
- if (usb_pipein(urb->pipe)) {
- endp->toggle_bits = 0x2;
- usb_settoggle(udev->usb_device, usb_endp, 0, 0);
- ring_number = 3;
- endp->input = 1;
- endp->output = 0;
- udev->endp_number_in[usb_endp] = endp_number;
- u132_udev_get_kref(u132, udev);
- } else {
- endp->toggle_bits = 0x2;
- usb_settoggle(udev->usb_device, usb_endp, 1, 0);
- ring_number = 2;
- endp->input = 0;
- endp->output = 1;
- udev->endp_number_out[usb_endp] = endp_number;
- u132_udev_get_kref(u132, udev);
- }
- ring = endp->ring = &u132->ring[ring_number - 1];
- if (ring->curr_endp) {
- list_add_tail(&endp->endp_ring, &ring->curr_endp->endp_ring);
- } else {
- INIT_LIST_HEAD(&endp->endp_ring);
- ring->curr_endp = endp;
- }
- ring->length += 1;
- urb->hcpriv = u132;
- endp->udev_number = address;
- endp->usb_addr = usb_addr;
- endp->usb_endp = usb_endp;
- endp->queue_size = 1;
- endp->queue_last = 0;
- endp->queue_next = 0;
- endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] = urb;
- spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- u132_endp_queue_work(u132, endp, 0);
- return 0;
+ endp->pipetype = usb_pipetype(urb->pipe);
+ u132_endp_init_kref(u132, endp);
+ if (usb_pipein(urb->pipe)) {
+ endp->toggle_bits = 0x2;
+ usb_settoggle(udev->usb_device, usb_endp, 0, 0);
+ ring_number = 3;
+ endp->input = 1;
+ endp->output = 0;
+ udev->endp_number_in[usb_endp] = endp_number;
+ u132_udev_get_kref(u132, udev);
+ } else {
+ endp->toggle_bits = 0x2;
+ usb_settoggle(udev->usb_device, usb_endp, 1, 0);
+ ring_number = 2;
+ endp->input = 0;
+ endp->output = 1;
+ udev->endp_number_out[usb_endp] = endp_number;
+ u132_udev_get_kref(u132, udev);
+ }
+ ring = endp->ring = &u132->ring[ring_number - 1];
+ if (ring->curr_endp) {
+ list_add_tail(&endp->endp_ring, &ring->curr_endp->endp_ring);
+ } else {
+ INIT_LIST_HEAD(&endp->endp_ring);
+ ring->curr_endp = endp;
+ }
+ ring->length += 1;
+ urb->hcpriv = u132;
+ endp->udev_number = address;
+ endp->usb_addr = usb_addr;
+ endp->usb_endp = usb_endp;
+ endp->queue_size = 1;
+ endp->queue_last = 0;
+ endp->queue_next = 0;
+ endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] = urb;
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ u132_endp_queue_work(u132, endp, 0);
+ return 0;
}
static int queue_bulk_on_old_endpoint(struct u132 *u132, struct u132_udev *udev,
struct urb *urb,
- struct usb_device *usb_dev, struct u132_endp *endp, u8 usb_addr,
- u8 usb_endp, u8 address)
-{
- urb->hcpriv = u132;
- if (endp->queue_size++ < ENDP_QUEUE_SIZE) {
- endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] = urb;
- } else {
- struct u132_urbq *urbq = kmalloc(sizeof(struct u132_urbq),
- GFP_ATOMIC);
- if (urbq == NULL) {
- endp->queue_size -= 1;
- return -ENOMEM;
- } else {
- list_add_tail(&urbq->urb_more, &endp->urb_more);
- urbq->urb = urb;
- }
- }
- return 0;
+ struct usb_device *usb_dev, struct u132_endp *endp, u8 usb_addr,
+ u8 usb_endp, u8 address)
+{
+ urb->hcpriv = u132;
+ if (endp->queue_size++ < ENDP_QUEUE_SIZE) {
+ endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] = urb;
+ } else {
+ struct u132_urbq *urbq = kmalloc(sizeof(struct u132_urbq),
+ GFP_ATOMIC);
+ if (urbq == NULL) {
+ endp->queue_size -= 1;
+ return -ENOMEM;
+ } else {
+ list_add_tail(&urbq->urb_more, &endp->urb_more);
+ urbq->urb = urb;
+ }
+ }
+ return 0;
}
static int create_endpoint_and_queue_control(struct u132 *u132,
struct urb *urb,
- struct usb_device *usb_dev, u8 usb_addr, u8 usb_endp,
- gfp_t mem_flags)
+ struct usb_device *usb_dev, u8 usb_addr, u8 usb_endp,
+ gfp_t mem_flags)
{
- struct u132_ring *ring;
+ struct u132_ring *ring;
unsigned long irqs;
int rc;
u8 endp_number;
struct u132_endp *endp = kmalloc(sizeof(struct u132_endp), mem_flags);
- if (!endp) {
- return -ENOMEM;
- }
+ if (!endp)
+ return -ENOMEM;
spin_lock_init(&endp->queue_lock.slock);
spin_lock_irqsave(&endp->queue_lock.slock, irqs);
endp_number = ++u132->num_endpoints;
urb->ep->hcpriv = u132->endp[endp_number - 1] = endp;
- INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler);
- INIT_LIST_HEAD(&endp->urb_more);
- ring = endp->ring = &u132->ring[0];
- if (ring->curr_endp) {
- list_add_tail(&endp->endp_ring, &ring->curr_endp->endp_ring);
- } else {
- INIT_LIST_HEAD(&endp->endp_ring);
- ring->curr_endp = endp;
- }
- ring->length += 1;
- endp->dequeueing = 0;
- endp->edset_flush = 0;
- endp->active = 0;
- endp->delayed = 0;
- endp->endp_number = endp_number;
- endp->u132 = u132;
+ INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler);
+ INIT_LIST_HEAD(&endp->urb_more);
+ ring = endp->ring = &u132->ring[0];
+ if (ring->curr_endp) {
+ list_add_tail(&endp->endp_ring, &ring->curr_endp->endp_ring);
+ } else {
+ INIT_LIST_HEAD(&endp->endp_ring);
+ ring->curr_endp = endp;
+ }
+ ring->length += 1;
+ endp->dequeueing = 0;
+ endp->edset_flush = 0;
+ endp->active = 0;
+ endp->delayed = 0;
+ endp->endp_number = endp_number;
+ endp->u132 = u132;
endp->hep = urb->ep;
- u132_endp_init_kref(u132, endp);
- u132_endp_get_kref(u132, endp);
- if (usb_addr == 0) {
- u8 address = u132->addr[usb_addr].address;
- struct u132_udev *udev = &u132->udev[address];
- endp->udev_number = address;
- endp->usb_addr = usb_addr;
- endp->usb_endp = usb_endp;
- endp->input = 1;
- endp->output = 1;
- endp->pipetype = usb_pipetype(urb->pipe);
- u132_udev_init_kref(u132, udev);
- u132_udev_get_kref(u132, udev);
- udev->endp_number_in[usb_endp] = endp_number;
- udev->endp_number_out[usb_endp] = endp_number;
- urb->hcpriv = u132;
- endp->queue_size = 1;
- endp->queue_last = 0;
- endp->queue_next = 0;
- endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] = urb;
- spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- u132_endp_queue_work(u132, endp, 0);
- return 0;
- } else { /*(usb_addr > 0) */
- u8 address = u132->addr[usb_addr].address;
- struct u132_udev *udev = &u132->udev[address];
- endp->udev_number = address;
- endp->usb_addr = usb_addr;
- endp->usb_endp = usb_endp;
- endp->input = 1;
- endp->output = 1;
- endp->pipetype = usb_pipetype(urb->pipe);
- u132_udev_get_kref(u132, udev);
- udev->enumeration = 2;
- udev->endp_number_in[usb_endp] = endp_number;
- udev->endp_number_out[usb_endp] = endp_number;
- urb->hcpriv = u132;
- endp->queue_size = 1;
- endp->queue_last = 0;
- endp->queue_next = 0;
- endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] = urb;
- spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- u132_endp_queue_work(u132, endp, 0);
- return 0;
- }
+ u132_endp_init_kref(u132, endp);
+ u132_endp_get_kref(u132, endp);
+ if (usb_addr == 0) {
+ u8 address = u132->addr[usb_addr].address;
+ struct u132_udev *udev = &u132->udev[address];
+ endp->udev_number = address;
+ endp->usb_addr = usb_addr;
+ endp->usb_endp = usb_endp;
+ endp->input = 1;
+ endp->output = 1;
+ endp->pipetype = usb_pipetype(urb->pipe);
+ u132_udev_init_kref(u132, udev);
+ u132_udev_get_kref(u132, udev);
+ udev->endp_number_in[usb_endp] = endp_number;
+ udev->endp_number_out[usb_endp] = endp_number;
+ urb->hcpriv = u132;
+ endp->queue_size = 1;
+ endp->queue_last = 0;
+ endp->queue_next = 0;
+ endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] = urb;
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ u132_endp_queue_work(u132, endp, 0);
+ return 0;
+ } else { /*(usb_addr > 0) */
+ u8 address = u132->addr[usb_addr].address;
+ struct u132_udev *udev = &u132->udev[address];
+ endp->udev_number = address;
+ endp->usb_addr = usb_addr;
+ endp->usb_endp = usb_endp;
+ endp->input = 1;
+ endp->output = 1;
+ endp->pipetype = usb_pipetype(urb->pipe);
+ u132_udev_get_kref(u132, udev);
+ udev->enumeration = 2;
+ udev->endp_number_in[usb_endp] = endp_number;
+ udev->endp_number_out[usb_endp] = endp_number;
+ urb->hcpriv = u132;
+ endp->queue_size = 1;
+ endp->queue_last = 0;
+ endp->queue_next = 0;
+ endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] = urb;
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ u132_endp_queue_work(u132, endp, 0);
+ return 0;
+ }
}
static int queue_control_on_old_endpoint(struct u132 *u132,
struct urb *urb,
- struct usb_device *usb_dev, struct u132_endp *endp, u8 usb_addr,
- u8 usb_endp)
-{
- if (usb_addr == 0) {
- if (usb_pipein(urb->pipe)) {
- urb->hcpriv = u132;
- if (endp->queue_size++ < ENDP_QUEUE_SIZE) {
- endp->urb_list[ENDP_QUEUE_MASK &
- endp->queue_last++] = urb;
- } else {
- struct u132_urbq *urbq =
- kmalloc(sizeof(struct u132_urbq),
- GFP_ATOMIC);
- if (urbq == NULL) {
- endp->queue_size -= 1;
- return -ENOMEM;
- } else {
- list_add_tail(&urbq->urb_more,
- &endp->urb_more);
- urbq->urb = urb;
- }
- }
- return 0;
- } else { /* usb_pipeout(urb->pipe) */
- struct u132_addr *addr = &u132->addr[usb_dev->devnum];
- int I = MAX_U132_UDEVS;
- int i = 0;
- while (--I > 0) {
- struct u132_udev *udev = &u132->udev[++i];
- if (udev->usb_device) {
- continue;
- } else {
- udev->enumeration = 1;
- u132->addr[0].address = i;
- endp->udev_number = i;
- udev->udev_number = i;
- udev->usb_addr = usb_dev->devnum;
- u132_udev_init_kref(u132, udev);
- udev->endp_number_in[usb_endp] =
- endp->endp_number;
- u132_udev_get_kref(u132, udev);
- udev->endp_number_out[usb_endp] =
- endp->endp_number;
- udev->usb_device = usb_dev;
- ((u8 *) (urb->setup_packet))[2] =
- addr->address = i;
- u132_udev_get_kref(u132, udev);
- break;
- }
- }
- if (I == 0) {
- dev_err(&u132->platform_dev->dev, "run out of d"
- "evice space\n");
- return -EINVAL;
- }
- urb->hcpriv = u132;
- if (endp->queue_size++ < ENDP_QUEUE_SIZE) {
- endp->urb_list[ENDP_QUEUE_MASK &
- endp->queue_last++] = urb;
- } else {
- struct u132_urbq *urbq =
- kmalloc(sizeof(struct u132_urbq),
- GFP_ATOMIC);
- if (urbq == NULL) {
- endp->queue_size -= 1;
- return -ENOMEM;
- } else {
- list_add_tail(&urbq->urb_more,
- &endp->urb_more);
- urbq->urb = urb;
- }
- }
- return 0;
- }
- } else { /*(usb_addr > 0) */
- u8 address = u132->addr[usb_addr].address;
- struct u132_udev *udev = &u132->udev[address];
- urb->hcpriv = u132;
- if (udev->enumeration == 2) {
- } else
- udev->enumeration = 2;
- if (endp->queue_size++ < ENDP_QUEUE_SIZE) {
- endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] =
- urb;
- } else {
- struct u132_urbq *urbq =
- kmalloc(sizeof(struct u132_urbq), GFP_ATOMIC);
- if (urbq == NULL) {
- endp->queue_size -= 1;
- return -ENOMEM;
- } else {
- list_add_tail(&urbq->urb_more, &endp->urb_more);
- urbq->urb = urb;
- }
- }
- return 0;
- }
+ struct usb_device *usb_dev, struct u132_endp *endp, u8 usb_addr,
+ u8 usb_endp)
+{
+ if (usb_addr == 0) {
+ if (usb_pipein(urb->pipe)) {
+ urb->hcpriv = u132;
+ if (endp->queue_size++ < ENDP_QUEUE_SIZE) {
+ endp->urb_list[ENDP_QUEUE_MASK &
+ endp->queue_last++] = urb;
+ } else {
+ struct u132_urbq *urbq =
+ kmalloc(sizeof(struct u132_urbq),
+ GFP_ATOMIC);
+ if (urbq == NULL) {
+ endp->queue_size -= 1;
+ return -ENOMEM;
+ } else {
+ list_add_tail(&urbq->urb_more,
+ &endp->urb_more);
+ urbq->urb = urb;
+ }
+ }
+ return 0;
+ } else { /* usb_pipeout(urb->pipe) */
+ struct u132_addr *addr = &u132->addr[usb_dev->devnum];
+ int I = MAX_U132_UDEVS;
+ int i = 0;
+ while (--I > 0) {
+ struct u132_udev *udev = &u132->udev[++i];
+ if (udev->usb_device) {
+ continue;
+ } else {
+ udev->enumeration = 1;
+ u132->addr[0].address = i;
+ endp->udev_number = i;
+ udev->udev_number = i;
+ udev->usb_addr = usb_dev->devnum;
+ u132_udev_init_kref(u132, udev);
+ udev->endp_number_in[usb_endp] =
+ endp->endp_number;
+ u132_udev_get_kref(u132, udev);
+ udev->endp_number_out[usb_endp] =
+ endp->endp_number;
+ udev->usb_device = usb_dev;
+ ((u8 *) (urb->setup_packet))[2] =
+ addr->address = i;
+ u132_udev_get_kref(u132, udev);
+ break;
+ }
+ }
+ if (I == 0) {
+ dev_err(&u132->platform_dev->dev, "run out of d"
+ "evice space\n");
+ return -EINVAL;
+ }
+ urb->hcpriv = u132;
+ if (endp->queue_size++ < ENDP_QUEUE_SIZE) {
+ endp->urb_list[ENDP_QUEUE_MASK &
+ endp->queue_last++] = urb;
+ } else {
+ struct u132_urbq *urbq =
+ kmalloc(sizeof(struct u132_urbq),
+ GFP_ATOMIC);
+ if (urbq == NULL) {
+ endp->queue_size -= 1;
+ return -ENOMEM;
+ } else {
+ list_add_tail(&urbq->urb_more,
+ &endp->urb_more);
+ urbq->urb = urb;
+ }
+ }
+ return 0;
+ }
+ } else { /*(usb_addr > 0) */
+ u8 address = u132->addr[usb_addr].address;
+ struct u132_udev *udev = &u132->udev[address];
+ urb->hcpriv = u132;
+ if (udev->enumeration != 2)
+ udev->enumeration = 2;
+ if (endp->queue_size++ < ENDP_QUEUE_SIZE) {
+ endp->urb_list[ENDP_QUEUE_MASK & endp->queue_last++] =
+ urb;
+ } else {
+ struct u132_urbq *urbq =
+ kmalloc(sizeof(struct u132_urbq), GFP_ATOMIC);
+ if (urbq == NULL) {
+ endp->queue_size -= 1;
+ return -ENOMEM;
+ } else {
+ list_add_tail(&urbq->urb_more, &endp->urb_more);
+ urbq->urb = urb;
+ }
+ }
+ return 0;
+ }
}
static int u132_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
gfp_t mem_flags)
{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (irqs_disabled()) {
- if (__GFP_WAIT & mem_flags) {
- printk(KERN_ERR "invalid context for function that migh"
- "t sleep\n");
- return -EINVAL;
- }
- }
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- return -ENODEV;
- } else if (u132->going > 0) {
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (irqs_disabled()) {
+ if (__GFP_WAIT & mem_flags) {
+ printk(KERN_ERR "invalid context for function that migh"
+ "t sleep\n");
+ return -EINVAL;
+ }
+ }
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ return -ENODEV;
+ } else if (u132->going > 0) {
dev_err(&u132->platform_dev->dev, "device is being removed "
"urb=%p\n", urb);
- return -ESHUTDOWN;
- } else {
- u8 usb_addr = usb_pipedevice(urb->pipe);
- u8 usb_endp = usb_pipeendpoint(urb->pipe);
- struct usb_device *usb_dev = urb->dev;
- if (usb_pipetype(urb->pipe) == PIPE_INTERRUPT) {
- u8 address = u132->addr[usb_addr].address;
- struct u132_udev *udev = &u132->udev[address];
- struct u132_endp *endp = urb->ep->hcpriv;
- urb->actual_length = 0;
- if (endp) {
- unsigned long irqs;
- int retval;
- spin_lock_irqsave(&endp->queue_lock.slock,
- irqs);
+ return -ESHUTDOWN;
+ } else {
+ u8 usb_addr = usb_pipedevice(urb->pipe);
+ u8 usb_endp = usb_pipeendpoint(urb->pipe);
+ struct usb_device *usb_dev = urb->dev;
+ if (usb_pipetype(urb->pipe) == PIPE_INTERRUPT) {
+ u8 address = u132->addr[usb_addr].address;
+ struct u132_udev *udev = &u132->udev[address];
+ struct u132_endp *endp = urb->ep->hcpriv;
+ urb->actual_length = 0;
+ if (endp) {
+ unsigned long irqs;
+ int retval;
+ spin_lock_irqsave(&endp->queue_lock.slock,
+ irqs);
retval = usb_hcd_link_urb_to_ep(hcd, urb);
if (retval == 0) {
retval = queue_int_on_old_endpoint(
address);
if (retval)
usb_hcd_unlink_urb_from_ep(
- hcd, urb);
+ hcd, urb);
+ }
+ spin_unlock_irqrestore(&endp->queue_lock.slock,
+ irqs);
+ if (retval) {
+ return retval;
+ } else {
+ u132_endp_queue_work(u132, endp,
+ msecs_to_jiffies(urb->interval))
+ ;
+ return 0;
}
- spin_unlock_irqrestore(&endp->queue_lock.slock,
- irqs);
- if (retval) {
- return retval;
- } else {
- u132_endp_queue_work(u132, endp,
- msecs_to_jiffies(urb->interval))
- ;
- return 0;
- }
- } else if (u132->num_endpoints == MAX_U132_ENDPS) {
- return -EINVAL;
- } else { /*(endp == NULL) */
- return create_endpoint_and_queue_int(u132, udev,
+ } else if (u132->num_endpoints == MAX_U132_ENDPS) {
+ return -EINVAL;
+ } else { /*(endp == NULL) */
+ return create_endpoint_and_queue_int(u132, udev,
urb, usb_dev, usb_addr,
usb_endp, address, mem_flags);
- }
- } else if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
- dev_err(&u132->platform_dev->dev, "the hardware does no"
- "t support PIPE_ISOCHRONOUS\n");
- return -EINVAL;
- } else if (usb_pipetype(urb->pipe) == PIPE_BULK) {
- u8 address = u132->addr[usb_addr].address;
- struct u132_udev *udev = &u132->udev[address];
- struct u132_endp *endp = urb->ep->hcpriv;
- urb->actual_length = 0;
- if (endp) {
- unsigned long irqs;
- int retval;
- spin_lock_irqsave(&endp->queue_lock.slock,
- irqs);
+ }
+ } else if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
+ dev_err(&u132->platform_dev->dev, "the hardware does no"
+ "t support PIPE_ISOCHRONOUS\n");
+ return -EINVAL;
+ } else if (usb_pipetype(urb->pipe) == PIPE_BULK) {
+ u8 address = u132->addr[usb_addr].address;
+ struct u132_udev *udev = &u132->udev[address];
+ struct u132_endp *endp = urb->ep->hcpriv;
+ urb->actual_length = 0;
+ if (endp) {
+ unsigned long irqs;
+ int retval;
+ spin_lock_irqsave(&endp->queue_lock.slock,
+ irqs);
retval = usb_hcd_link_urb_to_ep(hcd, urb);
if (retval == 0) {
retval = queue_bulk_on_old_endpoint(
address);
if (retval)
usb_hcd_unlink_urb_from_ep(
- hcd, urb);
+ hcd, urb);
+ }
+ spin_unlock_irqrestore(&endp->queue_lock.slock,
+ irqs);
+ if (retval) {
+ return retval;
+ } else {
+ u132_endp_queue_work(u132, endp, 0);
+ return 0;
}
- spin_unlock_irqrestore(&endp->queue_lock.slock,
- irqs);
- if (retval) {
- return retval;
- } else {
- u132_endp_queue_work(u132, endp, 0);
- return 0;
- }
- } else if (u132->num_endpoints == MAX_U132_ENDPS) {
- return -EINVAL;
- } else
- return create_endpoint_and_queue_bulk(u132,
+ } else if (u132->num_endpoints == MAX_U132_ENDPS) {
+ return -EINVAL;
+ } else
+ return create_endpoint_and_queue_bulk(u132,
udev, urb, usb_dev, usb_addr,
- usb_endp, address, mem_flags);
- } else {
- struct u132_endp *endp = urb->ep->hcpriv;
- u16 urb_size = 8;
- u8 *b = urb->setup_packet;
- int i = 0;
- char data[30 *3 + 4];
- char *d = data;
- int m = (sizeof(data) - 1) / 3;
- int l = 0;
- data[0] = 0;
- while (urb_size-- > 0) {
- if (i > m) {
- } else if (i++ < m) {
- int w = sprintf(d, " %02X", *b++);
- d += w;
- l += w;
- } else
- d += sprintf(d, " ..");
- }
- if (endp) {
- unsigned long irqs;
- int retval;
- spin_lock_irqsave(&endp->queue_lock.slock,
- irqs);
+ usb_endp, address, mem_flags);
+ } else {
+ struct u132_endp *endp = urb->ep->hcpriv;
+ u16 urb_size = 8;
+ u8 *b = urb->setup_packet;
+ int i = 0;
+ char data[30 * 3 + 4];
+ char *d = data;
+ int m = (sizeof(data) - 1) / 3;
+ int l = 0;
+ data[0] = 0;
+ while (urb_size-- > 0) {
+ if (i > m) {
+ } else if (i++ < m) {
+ int w = sprintf(d, " %02X", *b++);
+ d += w;
+ l += w;
+ } else
+ d += sprintf(d, " ..");
+ }
+ if (endp) {
+ unsigned long irqs;
+ int retval;
+ spin_lock_irqsave(&endp->queue_lock.slock,
+ irqs);
retval = usb_hcd_link_urb_to_ep(hcd, urb);
if (retval == 0) {
retval = queue_control_on_old_endpoint(
usb_hcd_unlink_urb_from_ep(
hcd, urb);
}
- spin_unlock_irqrestore(&endp->queue_lock.slock,
- irqs);
- if (retval) {
- return retval;
- } else {
- u132_endp_queue_work(u132, endp, 0);
- return 0;
- }
- } else if (u132->num_endpoints == MAX_U132_ENDPS) {
- return -EINVAL;
- } else
- return create_endpoint_and_queue_control(u132,
+ spin_unlock_irqrestore(&endp->queue_lock.slock,
+ irqs);
+ if (retval) {
+ return retval;
+ } else {
+ u132_endp_queue_work(u132, endp, 0);
+ return 0;
+ }
+ } else if (u132->num_endpoints == MAX_U132_ENDPS) {
+ return -EINVAL;
+ } else
+ return create_endpoint_and_queue_control(u132,
urb, usb_dev, usb_addr, usb_endp,
- mem_flags);
- }
- }
+ mem_flags);
+ }
+ }
}
static int dequeue_from_overflow_chain(struct u132 *u132,
- struct u132_endp *endp, struct urb *urb)
-{
- struct list_head *scan;
- struct list_head *head = &endp->urb_more;
- list_for_each(scan, head) {
- struct u132_urbq *urbq = list_entry(scan, struct u132_urbq,
- urb_more);
- if (urbq->urb == urb) {
- struct usb_hcd *hcd = u132_to_hcd(u132);
- list_del(scan);
- endp->queue_size -= 1;
- urb->error_count = 0;
+ struct u132_endp *endp, struct urb *urb)
+{
+ struct list_head *scan;
+ struct list_head *head = &endp->urb_more;
+ list_for_each(scan, head) {
+ struct u132_urbq *urbq = list_entry(scan, struct u132_urbq,
+ urb_more);
+ if (urbq->urb == urb) {
+ struct usb_hcd *hcd = u132_to_hcd(u132);
+ list_del(scan);
+ endp->queue_size -= 1;
+ urb->error_count = 0;
usb_hcd_giveback_urb(hcd, urb, 0);
- return 0;
- } else
- continue;
- }
- dev_err(&u132->platform_dev->dev, "urb=%p not found in endp[%d]=%p ring"
- "[%d] %c%c usb_endp=%d usb_addr=%d size=%d next=%04X last=%04X"
- "\n", urb, endp->endp_number, endp, endp->ring->number,
- endp->input ? 'I' : ' ', endp->output ? 'O' : ' ',
- endp->usb_endp, endp->usb_addr, endp->queue_size,
- endp->queue_next, endp->queue_last);
- return -EINVAL;
+ return 0;
+ } else
+ continue;
+ }
+ dev_err(&u132->platform_dev->dev, "urb=%p not found in endp[%d]=%p ring"
+ "[%d] %c%c usb_endp=%d usb_addr=%d size=%d next=%04X last=%04X"
+ "\n", urb, endp->endp_number, endp, endp->ring->number,
+ endp->input ? 'I' : ' ', endp->output ? 'O' : ' ',
+ endp->usb_endp, endp->usb_addr, endp->queue_size,
+ endp->queue_next, endp->queue_last);
+ return -EINVAL;
}
static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
struct urb *urb, int status)
{
- unsigned long irqs;
+ unsigned long irqs;
int rc;
- spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+ spin_lock_irqsave(&endp->queue_lock.slock, irqs);
rc = usb_hcd_check_unlink_urb(u132_to_hcd(u132), urb, status);
if (rc) {
spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
return rc;
}
- if (endp->queue_size == 0) {
- dev_err(&u132->platform_dev->dev, "urb=%p not found in endp[%d]"
- "=%p ring[%d] %c%c usb_endp=%d usb_addr=%d\n", urb,
- endp->endp_number, endp, endp->ring->number,
- endp->input ? 'I' : ' ', endp->output ? 'O' : ' ',
- endp->usb_endp, endp->usb_addr);
- spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- return -EINVAL;
- }
- if (urb == endp->urb_list[ENDP_QUEUE_MASK & endp->queue_next]) {
- if (endp->active) {
- endp->dequeueing = 1;
- endp->edset_flush = 1;
- u132_endp_queue_work(u132, endp, 0);
- spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- return 0;
- } else {
- spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ if (endp->queue_size == 0) {
+ dev_err(&u132->platform_dev->dev, "urb=%p not found in endp[%d]"
+ "=%p ring[%d] %c%c usb_endp=%d usb_addr=%d\n", urb,
+ endp->endp_number, endp, endp->ring->number,
+ endp->input ? 'I' : ' ', endp->output ? 'O' : ' ',
+ endp->usb_endp, endp->usb_addr);
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ return -EINVAL;
+ }
+ if (urb == endp->urb_list[ENDP_QUEUE_MASK & endp->queue_next]) {
+ if (endp->active) {
+ endp->dequeueing = 1;
+ endp->edset_flush = 1;
+ u132_endp_queue_work(u132, endp, 0);
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ return 0;
+ } else {
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
u132_hcd_abandon_urb(u132, endp, urb, status);
- return 0;
- }
- } else {
- u16 queue_list = 0;
- u16 queue_size = endp->queue_size;
- u16 queue_scan = endp->queue_next;
- struct urb **urb_slot = NULL;
- while (++queue_list < ENDP_QUEUE_SIZE && --queue_size > 0) {
- if (urb == endp->urb_list[ENDP_QUEUE_MASK &
- ++queue_scan]) {
- urb_slot = &endp->urb_list[ENDP_QUEUE_MASK &
- queue_scan];
- break;
- } else
- continue;
- }
- while (++queue_list < ENDP_QUEUE_SIZE && --queue_size > 0) {
- *urb_slot = endp->urb_list[ENDP_QUEUE_MASK &
- ++queue_scan];
- urb_slot = &endp->urb_list[ENDP_QUEUE_MASK &
- queue_scan];
- }
- if (urb_slot) {
- struct usb_hcd *hcd = u132_to_hcd(u132);
+ return 0;
+ }
+ } else {
+ u16 queue_list = 0;
+ u16 queue_size = endp->queue_size;
+ u16 queue_scan = endp->queue_next;
+ struct urb **urb_slot = NULL;
+ while (++queue_list < ENDP_QUEUE_SIZE && --queue_size > 0) {
+ if (urb == endp->urb_list[ENDP_QUEUE_MASK &
+ ++queue_scan]) {
+ urb_slot = &endp->urb_list[ENDP_QUEUE_MASK &
+ queue_scan];
+ break;
+ } else
+ continue;
+ }
+ while (++queue_list < ENDP_QUEUE_SIZE && --queue_size > 0) {
+ *urb_slot = endp->urb_list[ENDP_QUEUE_MASK &
+ ++queue_scan];
+ urb_slot = &endp->urb_list[ENDP_QUEUE_MASK &
+ queue_scan];
+ }
+ if (urb_slot) {
+ struct usb_hcd *hcd = u132_to_hcd(u132);
usb_hcd_unlink_urb_from_ep(hcd, urb);
- endp->queue_size -= 1;
- if (list_empty(&endp->urb_more)) {
- spin_unlock_irqrestore(&endp->queue_lock.slock,
- irqs);
- } else {
- struct list_head *next = endp->urb_more.next;
- struct u132_urbq *urbq = list_entry(next,
- struct u132_urbq, urb_more);
- list_del(next);
- *urb_slot = urbq->urb;
- spin_unlock_irqrestore(&endp->queue_lock.slock,
- irqs);
- kfree(urbq);
- } urb->error_count = 0;
+ endp->queue_size -= 1;
+ if (list_empty(&endp->urb_more)) {
+ spin_unlock_irqrestore(&endp->queue_lock.slock,
+ irqs);
+ } else {
+ struct list_head *next = endp->urb_more.next;
+ struct u132_urbq *urbq = list_entry(next,
+ struct u132_urbq, urb_more);
+ list_del(next);
+ *urb_slot = urbq->urb;
+ spin_unlock_irqrestore(&endp->queue_lock.slock,
+ irqs);
+ kfree(urbq);
+ } urb->error_count = 0;
usb_hcd_giveback_urb(hcd, urb, status);
- return 0;
- } else if (list_empty(&endp->urb_more)) {
- dev_err(&u132->platform_dev->dev, "urb=%p not found in "
- "endp[%d]=%p ring[%d] %c%c usb_endp=%d usb_addr"
- "=%d size=%d next=%04X last=%04X\n", urb,
- endp->endp_number, endp, endp->ring->number,
- endp->input ? 'I' : ' ',
- endp->output ? 'O' : ' ', endp->usb_endp,
- endp->usb_addr, endp->queue_size,
- endp->queue_next, endp->queue_last);
- spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- return -EINVAL;
- } else {
+ return 0;
+ } else if (list_empty(&endp->urb_more)) {
+ dev_err(&u132->platform_dev->dev, "urb=%p not found in "
+ "endp[%d]=%p ring[%d] %c%c usb_endp=%d usb_addr"
+ "=%d size=%d next=%04X last=%04X\n", urb,
+ endp->endp_number, endp, endp->ring->number,
+ endp->input ? 'I' : ' ',
+ endp->output ? 'O' : ' ', endp->usb_endp,
+ endp->usb_addr, endp->queue_size,
+ endp->queue_next, endp->queue_last);
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ return -EINVAL;
+ } else {
int retval;
usb_hcd_unlink_urb_from_ep(u132_to_hcd(u132), urb);
retval = dequeue_from_overflow_chain(u132, endp,
- urb);
- spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- return retval;
- }
- }
+ urb);
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ return retval;
+ }
+ }
}
static int u132_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 2) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- return -ENODEV;
- } else {
- u8 usb_addr = usb_pipedevice(urb->pipe);
- u8 usb_endp = usb_pipeendpoint(urb->pipe);
- u8 address = u132->addr[usb_addr].address;
- struct u132_udev *udev = &u132->udev[address];
- if (usb_pipein(urb->pipe)) {
- u8 endp_number = udev->endp_number_in[usb_endp];
- struct u132_endp *endp = u132->endp[endp_number - 1];
- return u132_endp_urb_dequeue(u132, endp, urb, status);
- } else {
- u8 endp_number = udev->endp_number_out[usb_endp];
- struct u132_endp *endp = u132->endp[endp_number - 1];
- return u132_endp_urb_dequeue(u132, endp, urb, status);
- }
- }
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 2) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ return -ENODEV;
+ } else {
+ u8 usb_addr = usb_pipedevice(urb->pipe);
+ u8 usb_endp = usb_pipeendpoint(urb->pipe);
+ u8 address = u132->addr[usb_addr].address;
+ struct u132_udev *udev = &u132->udev[address];
+ if (usb_pipein(urb->pipe)) {
+ u8 endp_number = udev->endp_number_in[usb_endp];
+ struct u132_endp *endp = u132->endp[endp_number - 1];
+ return u132_endp_urb_dequeue(u132, endp, urb, status);
+ } else {
+ u8 endp_number = udev->endp_number_out[usb_endp];
+ struct u132_endp *endp = u132->endp[endp_number - 1];
+ return u132_endp_urb_dequeue(u132, endp, urb, status);
+ }
+ }
}
static void u132_endpoint_disable(struct usb_hcd *hcd,
- struct usb_host_endpoint *hep)
-{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 2) {
- dev_err(&u132->platform_dev->dev, "u132 device %p(hcd=%p hep=%p"
- ") has been removed %d\n", u132, hcd, hep,
- u132->going);
- } else {
- struct u132_endp *endp = hep->hcpriv;
- if (endp)
- u132_endp_put_kref(u132, endp);
- }
+ struct usb_host_endpoint *hep)
+{
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 2) {
+ dev_err(&u132->platform_dev->dev, "u132 device %p(hcd=%p hep=%p"
+ ") has been removed %d\n", u132, hcd, hep,
+ u132->going);
+ } else {
+ struct u132_endp *endp = hep->hcpriv;
+ if (endp)
+ u132_endp_put_kref(u132, endp);
+ }
}
static int u132_get_frame(struct usb_hcd *hcd)
{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- return -ENODEV;
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device is being removed\n");
- return -ESHUTDOWN;
- } else {
- int frame = 0;
- dev_err(&u132->platform_dev->dev, "TODO: u132_get_frame\n");
- msleep(100);
- return frame;
- }
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ return -ENODEV;
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device is being removed\n");
+ return -ESHUTDOWN;
+ } else {
+ int frame = 0;
+ dev_err(&u132->platform_dev->dev, "TODO: u132_get_frame\n");
+ msleep(100);
+ return frame;
+ }
}
static int u132_roothub_descriptor(struct u132 *u132,
- struct usb_hub_descriptor *desc)
-{
- int retval;
- u16 temp;
- u32 rh_a = -1;
- u32 rh_b = -1;
- retval = u132_read_pcimem(u132, roothub.a, &rh_a);
- if (retval)
- return retval;
- desc->bDescriptorType = 0x29;
- desc->bPwrOn2PwrGood = (rh_a & RH_A_POTPGT) >> 24;
- desc->bHubContrCurrent = 0;
- desc->bNbrPorts = u132->num_ports;
- temp = 1 + (u132->num_ports / 8);
- desc->bDescLength = 7 + 2 *temp;
- temp = 0;
- if (rh_a & RH_A_NPS)
- temp |= 0x0002;
- if (rh_a & RH_A_PSM)
- temp |= 0x0001;
- if (rh_a & RH_A_NOCP) {
- temp |= 0x0010;
- } else if (rh_a & RH_A_OCPM)
- temp |= 0x0008;
- desc->wHubCharacteristics = cpu_to_le16(temp);
- retval = u132_read_pcimem(u132, roothub.b, &rh_b);
- if (retval)
- return retval;
- memset(desc->bitmap, 0xff, sizeof(desc->bitmap));
- desc->bitmap[0] = rh_b & RH_B_DR;
- if (u132->num_ports > 7) {
- desc->bitmap[1] = (rh_b & RH_B_DR) >> 8;
- desc->bitmap[2] = 0xff;
- } else
- desc->bitmap[1] = 0xff;
- return 0;
+ struct usb_hub_descriptor *desc)
+{
+ int retval;
+ u16 temp;
+ u32 rh_a = -1;
+ u32 rh_b = -1;
+ retval = u132_read_pcimem(u132, roothub.a, &rh_a);
+ if (retval)
+ return retval;
+ desc->bDescriptorType = 0x29;
+ desc->bPwrOn2PwrGood = (rh_a & RH_A_POTPGT) >> 24;
+ desc->bHubContrCurrent = 0;
+ desc->bNbrPorts = u132->num_ports;
+ temp = 1 + (u132->num_ports / 8);
+ desc->bDescLength = 7 + 2 * temp;
+ temp = 0;
+ if (rh_a & RH_A_NPS)
+ temp |= 0x0002;
+ if (rh_a & RH_A_PSM)
+ temp |= 0x0001;
+ if (rh_a & RH_A_NOCP)
+ temp |= 0x0010;
+ else if (rh_a & RH_A_OCPM)
+ temp |= 0x0008;
+ desc->wHubCharacteristics = cpu_to_le16(temp);
+ retval = u132_read_pcimem(u132, roothub.b, &rh_b);
+ if (retval)
+ return retval;
+ memset(desc->bitmap, 0xff, sizeof(desc->bitmap));
+ desc->bitmap[0] = rh_b & RH_B_DR;
+ if (u132->num_ports > 7) {
+ desc->bitmap[1] = (rh_b & RH_B_DR) >> 8;
+ desc->bitmap[2] = 0xff;
+ } else
+ desc->bitmap[1] = 0xff;
+ return 0;
}
static int u132_roothub_status(struct u132 *u132, __le32 *desc)
{
- u32 rh_status = -1;
- int ret_status = u132_read_pcimem(u132, roothub.status, &rh_status);
- *desc = cpu_to_le32(rh_status);
- return ret_status;
+ u32 rh_status = -1;
+ int ret_status = u132_read_pcimem(u132, roothub.status, &rh_status);
+ *desc = cpu_to_le32(rh_status);
+ return ret_status;
}
static int u132_roothub_portstatus(struct u132 *u132, __le32 *desc, u16 wIndex)
{
- if (wIndex == 0 || wIndex > u132->num_ports) {
- return -EINVAL;
- } else {
- int port = wIndex - 1;
- u32 rh_portstatus = -1;
- int ret_portstatus = u132_read_pcimem(u132,
- roothub.portstatus[port], &rh_portstatus);
- *desc = cpu_to_le32(rh_portstatus);
- if (*(u16 *) (desc + 2)) {
- dev_info(&u132->platform_dev->dev, "Port %d Status Chan"
- "ge = %08X\n", port, *desc);
- }
- return ret_portstatus;
- }
+ if (wIndex == 0 || wIndex > u132->num_ports) {
+ return -EINVAL;
+ } else {
+ int port = wIndex - 1;
+ u32 rh_portstatus = -1;
+ int ret_portstatus = u132_read_pcimem(u132,
+ roothub.portstatus[port], &rh_portstatus);
+ *desc = cpu_to_le32(rh_portstatus);
+ if (*(u16 *) (desc + 2)) {
+ dev_info(&u132->platform_dev->dev, "Port %d Status Chan"
+ "ge = %08X\n", port, *desc);
+ }
+ return ret_portstatus;
+ }
}
#define tick_before(t1, t2) ((s16)(((s16)(t1))-((s16)(t2))) < 0)
static int u132_roothub_portreset(struct u132 *u132, int port_index)
{
- int retval;
- u32 fmnumber;
- u16 now;
- u16 reset_done;
- retval = u132_read_pcimem(u132, fmnumber, &fmnumber);
- if (retval)
- return retval;
- now = fmnumber;
- reset_done = now + PORT_RESET_MSEC;
- do {
- u32 portstat;
- do {
- retval = u132_read_pcimem(u132,
- roothub.portstatus[port_index], &portstat);
- if (retval)
- return retval;
- if (RH_PS_PRS & portstat) {
- continue;
- } else
- break;
- } while (tick_before(now, reset_done));
- if (RH_PS_PRS & portstat)
- return -ENODEV;
- if (RH_PS_CCS & portstat) {
- if (RH_PS_PRSC & portstat) {
- retval = u132_write_pcimem(u132,
- roothub.portstatus[port_index],
- RH_PS_PRSC);
- if (retval)
- return retval;
- }
- } else
- break; /* start the next reset,
- sleep till it's probably done */
- retval = u132_write_pcimem(u132, roothub.portstatus[port_index],
- RH_PS_PRS);
- if (retval)
- return retval;
- msleep(PORT_RESET_HW_MSEC);
- retval = u132_read_pcimem(u132, fmnumber, &fmnumber);
- if (retval)
- return retval;
- now = fmnumber;
- } while (tick_before(now, reset_done));
- return 0;
+ int retval;
+ u32 fmnumber;
+ u16 now;
+ u16 reset_done;
+ retval = u132_read_pcimem(u132, fmnumber, &fmnumber);
+ if (retval)
+ return retval;
+ now = fmnumber;
+ reset_done = now + PORT_RESET_MSEC;
+ do {
+ u32 portstat;
+ do {
+ retval = u132_read_pcimem(u132,
+ roothub.portstatus[port_index], &portstat);
+ if (retval)
+ return retval;
+ if (RH_PS_PRS & portstat)
+ continue;
+ else
+ break;
+ } while (tick_before(now, reset_done));
+ if (RH_PS_PRS & portstat)
+ return -ENODEV;
+ if (RH_PS_CCS & portstat) {
+ if (RH_PS_PRSC & portstat) {
+ retval = u132_write_pcimem(u132,
+ roothub.portstatus[port_index],
+ RH_PS_PRSC);
+ if (retval)
+ return retval;
+ }
+ } else
+ break; /* start the next reset,
+ sleep till it's probably done */
+ retval = u132_write_pcimem(u132, roothub.portstatus[port_index],
+ RH_PS_PRS);
+ if (retval)
+ return retval;
+ msleep(PORT_RESET_HW_MSEC);
+ retval = u132_read_pcimem(u132, fmnumber, &fmnumber);
+ if (retval)
+ return retval;
+ now = fmnumber;
+ } while (tick_before(now, reset_done));
+ return 0;
}
static int u132_roothub_setportfeature(struct u132 *u132, u16 wValue,
- u16 wIndex)
-{
- if (wIndex == 0 || wIndex > u132->num_ports) {
- return -EINVAL;
- } else {
- int retval;
- int port_index = wIndex - 1;
- struct u132_port *port = &u132->port[port_index];
- port->Status &= ~(1 << wValue);
- switch (wValue) {
- case USB_PORT_FEAT_SUSPEND:
- retval = u132_write_pcimem(u132,
- roothub.portstatus[port_index], RH_PS_PSS);
- if (retval)
- return retval;
- return 0;
- case USB_PORT_FEAT_POWER:
- retval = u132_write_pcimem(u132,
- roothub.portstatus[port_index], RH_PS_PPS);
- if (retval)
- return retval;
- return 0;
- case USB_PORT_FEAT_RESET:
- retval = u132_roothub_portreset(u132, port_index);
- if (retval)
- return retval;
- return 0;
- default:
- return -EPIPE;
- }
- }
+ u16 wIndex)
+{
+ if (wIndex == 0 || wIndex > u132->num_ports) {
+ return -EINVAL;
+ } else {
+ int retval;
+ int port_index = wIndex - 1;
+ struct u132_port *port = &u132->port[port_index];
+ port->Status &= ~(1 << wValue);
+ switch (wValue) {
+ case USB_PORT_FEAT_SUSPEND:
+ retval = u132_write_pcimem(u132,
+ roothub.portstatus[port_index], RH_PS_PSS);
+ if (retval)
+ return retval;
+ return 0;
+ case USB_PORT_FEAT_POWER:
+ retval = u132_write_pcimem(u132,
+ roothub.portstatus[port_index], RH_PS_PPS);
+ if (retval)
+ return retval;
+ return 0;
+ case USB_PORT_FEAT_RESET:
+ retval = u132_roothub_portreset(u132, port_index);
+ if (retval)
+ return retval;
+ return 0;
+ default:
+ return -EPIPE;
+ }
+ }
}
static int u132_roothub_clearportfeature(struct u132 *u132, u16 wValue,
- u16 wIndex)
-{
- if (wIndex == 0 || wIndex > u132->num_ports) {
- return -EINVAL;
- } else {
- int port_index = wIndex - 1;
- u32 temp;
- int retval;
- struct u132_port *port = &u132->port[port_index];
- port->Status &= ~(1 << wValue);
- switch (wValue) {
- case USB_PORT_FEAT_ENABLE:
- temp = RH_PS_CCS;
- break;
- case USB_PORT_FEAT_C_ENABLE:
- temp = RH_PS_PESC;
- break;
- case USB_PORT_FEAT_SUSPEND:
- temp = RH_PS_POCI;
- if ((u132->hc_control & OHCI_CTRL_HCFS)
- != OHCI_USB_OPER) {
- dev_err(&u132->platform_dev->dev, "TODO resume_"
- "root_hub\n");
- }
- break;
- case USB_PORT_FEAT_C_SUSPEND:
- temp = RH_PS_PSSC;
- break;
- case USB_PORT_FEAT_POWER:
- temp = RH_PS_LSDA;
- break;
- case USB_PORT_FEAT_C_CONNECTION:
- temp = RH_PS_CSC;
- break;
- case USB_PORT_FEAT_C_OVER_CURRENT:
- temp = RH_PS_OCIC;
- break;
- case USB_PORT_FEAT_C_RESET:
- temp = RH_PS_PRSC;
- break;
- default:
- return -EPIPE;
- }
- retval = u132_write_pcimem(u132, roothub.portstatus[port_index],
- temp);
- if (retval)
- return retval;
- return 0;
- }
+ u16 wIndex)
+{
+ if (wIndex == 0 || wIndex > u132->num_ports) {
+ return -EINVAL;
+ } else {
+ int port_index = wIndex - 1;
+ u32 temp;
+ int retval;
+ struct u132_port *port = &u132->port[port_index];
+ port->Status &= ~(1 << wValue);
+ switch (wValue) {
+ case USB_PORT_FEAT_ENABLE:
+ temp = RH_PS_CCS;
+ break;
+ case USB_PORT_FEAT_C_ENABLE:
+ temp = RH_PS_PESC;
+ break;
+ case USB_PORT_FEAT_SUSPEND:
+ temp = RH_PS_POCI;
+ if ((u132->hc_control & OHCI_CTRL_HCFS)
+ != OHCI_USB_OPER) {
+ dev_err(&u132->platform_dev->dev, "TODO resume_"
+ "root_hub\n");
+ }
+ break;
+ case USB_PORT_FEAT_C_SUSPEND:
+ temp = RH_PS_PSSC;
+ break;
+ case USB_PORT_FEAT_POWER:
+ temp = RH_PS_LSDA;
+ break;
+ case USB_PORT_FEAT_C_CONNECTION:
+ temp = RH_PS_CSC;
+ break;
+ case USB_PORT_FEAT_C_OVER_CURRENT:
+ temp = RH_PS_OCIC;
+ break;
+ case USB_PORT_FEAT_C_RESET:
+ temp = RH_PS_PRSC;
+ break;
+ default:
+ return -EPIPE;
+ }
+ retval = u132_write_pcimem(u132, roothub.portstatus[port_index],
+ temp);
+ if (retval)
+ return retval;
+ return 0;
+ }
}
/* the virtual root hub timer IRQ checks for hub status*/
static int u132_hub_status_data(struct usb_hcd *hcd, char *buf)
{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device hcd=%p has been remov"
- "ed %d\n", hcd, u132->going);
- return -ENODEV;
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device hcd=%p is being remov"
- "ed\n", hcd);
- return -ESHUTDOWN;
- } else {
- int i, changed = 0, length = 1;
- if (u132->flags & OHCI_QUIRK_AMD756) {
- if ((u132->hc_roothub_a & RH_A_NDP) > MAX_ROOT_PORTS) {
- dev_err(&u132->platform_dev->dev, "bogus NDP, r"
- "ereads as NDP=%d\n",
- u132->hc_roothub_a & RH_A_NDP);
- goto done;
- }
- }
- if (u132->hc_roothub_status & (RH_HS_LPSC | RH_HS_OCIC)) {
- buf[0] = changed = 1;
- } else
- buf[0] = 0;
- if (u132->num_ports > 7) {
- buf[1] = 0;
- length++;
- }
- for (i = 0; i < u132->num_ports; i++) {
- if (u132->hc_roothub_portstatus[i] & (RH_PS_CSC |
- RH_PS_PESC | RH_PS_PSSC | RH_PS_OCIC |
- RH_PS_PRSC)) {
- changed = 1;
- if (i < 7) {
- buf[0] |= 1 << (i + 1);
- } else
- buf[1] |= 1 << (i - 7);
- continue;
- }
- if (!(u132->hc_roothub_portstatus[i] & RH_PS_CCS)) {
- continue;
- }
- if ((u132->hc_roothub_portstatus[i] & RH_PS_PSS)) {
- continue;
- }
- }
- done:return changed ? length : 0;
- }
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device hcd=%p has been remov"
+ "ed %d\n", hcd, u132->going);
+ return -ENODEV;
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device hcd=%p is being remov"
+ "ed\n", hcd);
+ return -ESHUTDOWN;
+ } else {
+ int i, changed = 0, length = 1;
+ if (u132->flags & OHCI_QUIRK_AMD756) {
+ if ((u132->hc_roothub_a & RH_A_NDP) > MAX_ROOT_PORTS) {
+ dev_err(&u132->platform_dev->dev, "bogus NDP, r"
+ "ereads as NDP=%d\n",
+ u132->hc_roothub_a & RH_A_NDP);
+ goto done;
+ }
+ }
+ if (u132->hc_roothub_status & (RH_HS_LPSC | RH_HS_OCIC))
+ buf[0] = changed = 1;
+ else
+ buf[0] = 0;
+ if (u132->num_ports > 7) {
+ buf[1] = 0;
+ length++;
+ }
+ for (i = 0; i < u132->num_ports; i++) {
+ if (u132->hc_roothub_portstatus[i] & (RH_PS_CSC |
+ RH_PS_PESC | RH_PS_PSSC | RH_PS_OCIC |
+ RH_PS_PRSC)) {
+ changed = 1;
+ if (i < 7)
+ buf[0] |= 1 << (i + 1);
+ else
+ buf[1] |= 1 << (i - 7);
+ continue;
+ }
+ if (!(u132->hc_roothub_portstatus[i] & RH_PS_CCS))
+ continue;
+
+ if ((u132->hc_roothub_portstatus[i] & RH_PS_PSS))
+ continue;
+ }
+done:
+ return changed ? length : 0;
+ }
}
static int u132_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
- u16 wIndex, char *buf, u16 wLength)
-{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- return -ENODEV;
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device is being removed\n");
- return -ESHUTDOWN;
- } else {
- int retval = 0;
- mutex_lock(&u132->sw_lock);
- switch (typeReq) {
- case ClearHubFeature:
- switch (wValue) {
- case C_HUB_OVER_CURRENT:
- case C_HUB_LOCAL_POWER:
- break;
- default:
- goto stall;
- }
- break;
- case SetHubFeature:
- switch (wValue) {
- case C_HUB_OVER_CURRENT:
- case C_HUB_LOCAL_POWER:
- break;
- default:
- goto stall;
- }
- break;
- case ClearPortFeature:{
- retval = u132_roothub_clearportfeature(u132,
- wValue, wIndex);
- if (retval)
- goto error;
- break;
- }
- case GetHubDescriptor:{
- retval = u132_roothub_descriptor(u132,
- (struct usb_hub_descriptor *)buf);
- if (retval)
- goto error;
- break;
- }
- case GetHubStatus:{
- retval = u132_roothub_status(u132,
- (__le32 *) buf);
- if (retval)
- goto error;
- break;
- }
- case GetPortStatus:{
- retval = u132_roothub_portstatus(u132,
- (__le32 *) buf, wIndex);
- if (retval)
- goto error;
- break;
- }
- case SetPortFeature:{
- retval = u132_roothub_setportfeature(u132,
- wValue, wIndex);
- if (retval)
- goto error;
- break;
- }
- default:
- goto stall;
- error:u132_disable(u132);
- u132->going = 1;
- break;
- stall:retval = -EPIPE;
- break;
- }
- mutex_unlock(&u132->sw_lock);
- return retval;
- }
+ u16 wIndex, char *buf, u16 wLength)
+{
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ return -ENODEV;
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device is being removed\n");
+ return -ESHUTDOWN;
+ } else {
+ int retval = 0;
+ mutex_lock(&u132->sw_lock);
+ switch (typeReq) {
+ case ClearHubFeature:
+ switch (wValue) {
+ case C_HUB_OVER_CURRENT:
+ case C_HUB_LOCAL_POWER:
+ break;
+ default:
+ goto stall;
+ }
+ break;
+ case SetHubFeature:
+ switch (wValue) {
+ case C_HUB_OVER_CURRENT:
+ case C_HUB_LOCAL_POWER:
+ break;
+ default:
+ goto stall;
+ }
+ break;
+ case ClearPortFeature:{
+ retval = u132_roothub_clearportfeature(u132,
+ wValue, wIndex);
+ if (retval)
+ goto error;
+ break;
+ }
+ case GetHubDescriptor:{
+ retval = u132_roothub_descriptor(u132,
+ (struct usb_hub_descriptor *)buf);
+ if (retval)
+ goto error;
+ break;
+ }
+ case GetHubStatus:{
+ retval = u132_roothub_status(u132,
+ (__le32 *) buf);
+ if (retval)
+ goto error;
+ break;
+ }
+ case GetPortStatus:{
+ retval = u132_roothub_portstatus(u132,
+ (__le32 *) buf, wIndex);
+ if (retval)
+ goto error;
+ break;
+ }
+ case SetPortFeature:{
+ retval = u132_roothub_setportfeature(u132,
+ wValue, wIndex);
+ if (retval)
+ goto error;
+ break;
+ }
+ default:
+ goto stall;
+ error:
+ u132_disable(u132);
+ u132->going = 1;
+ break;
+ stall:
+ retval = -EPIPE;
+ break;
+ }
+ mutex_unlock(&u132->sw_lock);
+ return retval;
+ }
}
static int u132_start_port_reset(struct usb_hcd *hcd, unsigned port_num)
{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- return -ENODEV;
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device is being removed\n");
- return -ESHUTDOWN;
- } else
- return 0;
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ return -ENODEV;
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device is being removed\n");
+ return -ESHUTDOWN;
+ } else
+ return 0;
}
static void u132_hub_irq_enable(struct usb_hcd *hcd)
{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- } else if (u132->going > 0)
- dev_err(&u132->platform_dev->dev, "device is being removed\n");
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ } else if (u132->going > 0)
+ dev_err(&u132->platform_dev->dev, "device is being removed\n");
}
#ifdef CONFIG_PM
static int u132_hcd_suspend(struct usb_hcd *hcd, pm_message_t message)
{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- return -ENODEV;
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device is being removed\n");
- return -ESHUTDOWN;
- } else
- return 0;
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ return -ENODEV;
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device is being removed\n");
+ return -ESHUTDOWN;
+ } else
+ return 0;
}
static int u132_hcd_resume(struct usb_hcd *hcd)
{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- return -ENODEV;
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device is being removed\n");
- return -ESHUTDOWN;
- } else
- return 0;
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ return -ENODEV;
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device is being removed\n");
+ return -ESHUTDOWN;
+ } else
+ return 0;
}
static int u132_bus_suspend(struct usb_hcd *hcd)
{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- return -ENODEV;
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device is being removed\n");
- return -ESHUTDOWN;
- } else
- return 0;
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ return -ENODEV;
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device is being removed\n");
+ return -ESHUTDOWN;
+ } else
+ return 0;
}
static int u132_bus_resume(struct usb_hcd *hcd)
{
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- return -ENODEV;
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device is being removed\n");
- return -ESHUTDOWN;
- } else
- return 0;
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ return -ENODEV;
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device is being removed\n");
+ return -ESHUTDOWN;
+ } else
+ return 0;
}
#else
#define u132_bus_resume NULL
#endif
static struct hc_driver u132_hc_driver = {
- .description = hcd_name,
- .hcd_priv_size = sizeof(struct u132),
- .irq = NULL,
- .flags = HCD_USB11 | HCD_MEMORY,
- .reset = u132_hcd_reset,
- .start = u132_hcd_start,
- .suspend = u132_hcd_suspend,
- .resume = u132_hcd_resume,
- .stop = u132_hcd_stop,
- .urb_enqueue = u132_urb_enqueue,
- .urb_dequeue = u132_urb_dequeue,
- .endpoint_disable = u132_endpoint_disable,
- .get_frame_number = u132_get_frame,
- .hub_status_data = u132_hub_status_data,
- .hub_control = u132_hub_control,
- .bus_suspend = u132_bus_suspend,
- .bus_resume = u132_bus_resume,
- .start_port_reset = u132_start_port_reset,
- .hub_irq_enable = u132_hub_irq_enable,
+ .description = hcd_name,
+ .hcd_priv_size = sizeof(struct u132),
+ .irq = NULL,
+ .flags = HCD_USB11 | HCD_MEMORY,
+ .reset = u132_hcd_reset,
+ .start = u132_hcd_start,
+ .suspend = u132_hcd_suspend,
+ .resume = u132_hcd_resume,
+ .stop = u132_hcd_stop,
+ .urb_enqueue = u132_urb_enqueue,
+ .urb_dequeue = u132_urb_dequeue,
+ .endpoint_disable = u132_endpoint_disable,
+ .get_frame_number = u132_get_frame,
+ .hub_status_data = u132_hub_status_data,
+ .hub_control = u132_hub_control,
+ .bus_suspend = u132_bus_suspend,
+ .bus_resume = u132_bus_resume,
+ .start_port_reset = u132_start_port_reset,
+ .hub_irq_enable = u132_hub_irq_enable,
};
/*
*/
static int __devexit u132_remove(struct platform_device *pdev)
{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
- if (hcd) {
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going++ > 1) {
- dev_err(&u132->platform_dev->dev, "already being remove"
+ struct usb_hcd *hcd = platform_get_drvdata(pdev);
+ if (hcd) {
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going++ > 1) {
+ dev_err(&u132->platform_dev->dev, "already being remove"
"d\n");
- return -ENODEV;
- } else {
- int rings = MAX_U132_RINGS;
- int endps = MAX_U132_ENDPS;
- dev_err(&u132->platform_dev->dev, "removing device u132"
+ return -ENODEV;
+ } else {
+ int rings = MAX_U132_RINGS;
+ int endps = MAX_U132_ENDPS;
+ dev_err(&u132->platform_dev->dev, "removing device u132"
".%d\n", u132->sequence_num);
- msleep(100);
- mutex_lock(&u132->sw_lock);
- u132_monitor_cancel_work(u132);
- while (rings-- > 0) {
- struct u132_ring *ring = &u132->ring[rings];
- u132_ring_cancel_work(u132, ring);
- } while (endps-- > 0) {
- struct u132_endp *endp = u132->endp[endps];
- if (endp)
- u132_endp_cancel_work(u132, endp);
- }
- u132->going += 1;
- printk(KERN_INFO "removing device u132.%d\n",
- u132->sequence_num);
- mutex_unlock(&u132->sw_lock);
- usb_remove_hcd(hcd);
- u132_u132_put_kref(u132);
- return 0;
- }
- } else
- return 0;
+ msleep(100);
+ mutex_lock(&u132->sw_lock);
+ u132_monitor_cancel_work(u132);
+ while (rings-- > 0) {
+ struct u132_ring *ring = &u132->ring[rings];
+ u132_ring_cancel_work(u132, ring);
+ } while (endps-- > 0) {
+ struct u132_endp *endp = u132->endp[endps];
+ if (endp)
+ u132_endp_cancel_work(u132, endp);
+ }
+ u132->going += 1;
+ printk(KERN_INFO "removing device u132.%d\n",
+ u132->sequence_num);
+ mutex_unlock(&u132->sw_lock);
+ usb_remove_hcd(hcd);
+ u132_u132_put_kref(u132);
+ return 0;
+ }
+ } else
+ return 0;
}
static void u132_initialise(struct u132 *u132, struct platform_device *pdev)
{
- int rings = MAX_U132_RINGS;
- int ports = MAX_U132_PORTS;
- int addrs = MAX_U132_ADDRS;
- int udevs = MAX_U132_UDEVS;
- int endps = MAX_U132_ENDPS;
- u132->board = pdev->dev.platform_data;
- u132->platform_dev = pdev;
- u132->power = 0;
- u132->reset = 0;
- mutex_init(&u132->sw_lock);
- init_MUTEX(&u132->scheduler_lock);
- while (rings-- > 0) {
- struct u132_ring *ring = &u132->ring[rings];
- ring->u132 = u132;
- ring->number = rings + 1;
- ring->length = 0;
- ring->curr_endp = NULL;
- INIT_DELAYED_WORK(&ring->scheduler,
+ int rings = MAX_U132_RINGS;
+ int ports = MAX_U132_PORTS;
+ int addrs = MAX_U132_ADDRS;
+ int udevs = MAX_U132_UDEVS;
+ int endps = MAX_U132_ENDPS;
+ u132->board = pdev->dev.platform_data;
+ u132->platform_dev = pdev;
+ u132->power = 0;
+ u132->reset = 0;
+ mutex_init(&u132->sw_lock);
+ init_MUTEX(&u132->scheduler_lock);
+ while (rings-- > 0) {
+ struct u132_ring *ring = &u132->ring[rings];
+ ring->u132 = u132;
+ ring->number = rings + 1;
+ ring->length = 0;
+ ring->curr_endp = NULL;
+ INIT_DELAYED_WORK(&ring->scheduler,
u132_hcd_ring_work_scheduler);
- } mutex_lock(&u132->sw_lock);
- INIT_DELAYED_WORK(&u132->monitor, u132_hcd_monitor_work);
- while (ports-- > 0) {
- struct u132_port *port = &u132->port[ports];
- port->u132 = u132;
- port->reset = 0;
- port->enable = 0;
- port->power = 0;
- port->Status = 0;
- } while (addrs-- > 0) {
- struct u132_addr *addr = &u132->addr[addrs];
- addr->address = 0;
- } while (udevs-- > 0) {
- struct u132_udev *udev = &u132->udev[udevs];
- int i = ARRAY_SIZE(udev->endp_number_in);
- int o = ARRAY_SIZE(udev->endp_number_out);
- udev->usb_device = NULL;
- udev->udev_number = 0;
- udev->usb_addr = 0;
- udev->portnumber = 0;
- while (i-- > 0) {
- udev->endp_number_in[i] = 0;
- }
- while (o-- > 0) {
- udev->endp_number_out[o] = 0;
- }
- }
- while (endps-- > 0) {
- u132->endp[endps] = NULL;
- }
- mutex_unlock(&u132->sw_lock);
- return;
+ }
+ mutex_lock(&u132->sw_lock);
+ INIT_DELAYED_WORK(&u132->monitor, u132_hcd_monitor_work);
+ while (ports-- > 0) {
+ struct u132_port *port = &u132->port[ports];
+ port->u132 = u132;
+ port->reset = 0;
+ port->enable = 0;
+ port->power = 0;
+ port->Status = 0;
+ }
+ while (addrs-- > 0) {
+ struct u132_addr *addr = &u132->addr[addrs];
+ addr->address = 0;
+ }
+ while (udevs-- > 0) {
+ struct u132_udev *udev = &u132->udev[udevs];
+ int i = ARRAY_SIZE(udev->endp_number_in);
+ int o = ARRAY_SIZE(udev->endp_number_out);
+ udev->usb_device = NULL;
+ udev->udev_number = 0;
+ udev->usb_addr = 0;
+ udev->portnumber = 0;
+ while (i-- > 0)
+ udev->endp_number_in[i] = 0;
+
+ while (o-- > 0)
+ udev->endp_number_out[o] = 0;
+
+ }
+ while (endps-- > 0)
+ u132->endp[endps] = NULL;
+
+ mutex_unlock(&u132->sw_lock);
+ return;
}
static int __devinit u132_probe(struct platform_device *pdev)
{
- struct usb_hcd *hcd;
- int retval;
- u32 control;
- u32 rh_a = -1;
- u32 num_ports;
- msleep(100);
- if (u132_exiting > 0) {
- return -ENODEV;
- }
- retval = ftdi_write_pcimem(pdev, intrdisable, OHCI_INTR_MIE);
- if (retval)
- return retval;
- retval = ftdi_read_pcimem(pdev, control, &control);
- if (retval)
- return retval;
- retval = ftdi_read_pcimem(pdev, roothub.a, &rh_a);
- if (retval)
- return retval;
- num_ports = rh_a & RH_A_NDP; /* refuse to confuse usbcore */
- if (pdev->dev.dma_mask) {
- return -EINVAL;
- }
- hcd = usb_create_hcd(&u132_hc_driver, &pdev->dev, pdev->dev.bus_id);
- if (!hcd) {
- printk(KERN_ERR "failed to create the usb hcd struct for U132\n"
- );
- ftdi_elan_gone_away(pdev);
- return -ENOMEM;
- } else {
- int retval = 0;
- struct u132 *u132 = hcd_to_u132(hcd);
- hcd->rsrc_start = 0;
- mutex_lock(&u132_module_lock);
- list_add_tail(&u132->u132_list, &u132_static_list);
- u132->sequence_num = ++u132_instances;
- mutex_unlock(&u132_module_lock);
- u132_u132_init_kref(u132);
- u132_initialise(u132, pdev);
- hcd->product_desc = "ELAN U132 Host Controller";
- retval = usb_add_hcd(hcd, 0, 0);
- if (retval != 0) {
- dev_err(&u132->platform_dev->dev, "init error %d\n",
- retval);
- u132_u132_put_kref(u132);
- return retval;
- } else {
- u132_monitor_queue_work(u132, 100);
- return 0;
- }
- }
+ struct usb_hcd *hcd;
+ int retval;
+ u32 control;
+ u32 rh_a = -1;
+ u32 num_ports;
+
+ msleep(100);
+ if (u132_exiting > 0)
+ return -ENODEV;
+
+ retval = ftdi_write_pcimem(pdev, intrdisable, OHCI_INTR_MIE);
+ if (retval)
+ return retval;
+ retval = ftdi_read_pcimem(pdev, control, &control);
+ if (retval)
+ return retval;
+ retval = ftdi_read_pcimem(pdev, roothub.a, &rh_a);
+ if (retval)
+ return retval;
+ num_ports = rh_a & RH_A_NDP; /* refuse to confuse usbcore */
+ if (pdev->dev.dma_mask)
+ return -EINVAL;
+
+ hcd = usb_create_hcd(&u132_hc_driver, &pdev->dev, pdev->dev.bus_id);
+ if (!hcd) {
+ printk(KERN_ERR "failed to create the usb hcd struct for U132\n"
+ );
+ ftdi_elan_gone_away(pdev);
+ return -ENOMEM;
+ } else {
+ int retval = 0;
+ struct u132 *u132 = hcd_to_u132(hcd);
+ hcd->rsrc_start = 0;
+ mutex_lock(&u132_module_lock);
+ list_add_tail(&u132->u132_list, &u132_static_list);
+ u132->sequence_num = ++u132_instances;
+ mutex_unlock(&u132_module_lock);
+ u132_u132_init_kref(u132);
+ u132_initialise(u132, pdev);
+ hcd->product_desc = "ELAN U132 Host Controller";
+ retval = usb_add_hcd(hcd, 0, 0);
+ if (retval != 0) {
+ dev_err(&u132->platform_dev->dev, "init error %d\n",
+ retval);
+ u132_u132_put_kref(u132);
+ return retval;
+ } else {
+ u132_monitor_queue_work(u132, 100);
+ return 0;
+ }
+ }
}
*/
static int u132_suspend(struct platform_device *pdev, pm_message_t state)
{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- return -ENODEV;
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device is being removed\n");
- return -ESHUTDOWN;
- } else {
+ struct usb_hcd *hcd = platform_get_drvdata(pdev);
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ return -ENODEV;
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device is being removed\n");
+ return -ESHUTDOWN;
+ } else {
int retval = 0, ports;
switch (state.event) {
case PM_EVENT_FREEZE:
- retval = u132_bus_suspend(hcd);
+ retval = u132_bus_suspend(hcd);
break;
case PM_EVENT_SUSPEND:
case PM_EVENT_HIBERNATE:
ports = MAX_U132_PORTS;
- while (ports-- > 0) {
- port_power(u132, ports, 0);
- }
+ while (ports-- > 0) {
+ port_power(u132, ports, 0);
+ }
break;
}
- return retval;
- }
+ return retval;
+ }
}
static int u132_resume(struct platform_device *pdev)
{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
- struct u132 *u132 = hcd_to_u132(hcd);
- if (u132->going > 1) {
- dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
- , u132->going);
- return -ENODEV;
- } else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device is being removed\n");
- return -ESHUTDOWN;
- } else {
- int retval = 0;
+ struct usb_hcd *hcd = platform_get_drvdata(pdev);
+ struct u132 *u132 = hcd_to_u132(hcd);
+ if (u132->going > 1) {
+ dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+ , u132->going);
+ return -ENODEV;
+ } else if (u132->going > 0) {
+ dev_err(&u132->platform_dev->dev, "device is being removed\n");
+ return -ESHUTDOWN;
+ } else {
+ int retval = 0;
if (!u132->port[0].power) {
- int ports = MAX_U132_PORTS;
- while (ports-- > 0) {
- port_power(u132, ports, 1);
- }
- retval = 0;
- } else {
- retval = u132_bus_resume(hcd);
- }
- return retval;
- }
+ int ports = MAX_U132_PORTS;
+ while (ports-- > 0) {
+ port_power(u132, ports, 1);
+ }
+ retval = 0;
+ } else {
+ retval = u132_bus_resume(hcd);
+ }
+ return retval;
+ }
}
#else
* the platform_driver struct is static because it is per type of module
*/
static struct platform_driver u132_platform_driver = {
- .probe = u132_probe,
- .remove = __devexit_p(u132_remove),
- .suspend = u132_suspend,
- .resume = u132_resume,
- .driver = {
- .name = (char *)hcd_name,
- .owner = THIS_MODULE,
- },
+ .probe = u132_probe,
+ .remove = __devexit_p(u132_remove),
+ .suspend = u132_suspend,
+ .resume = u132_resume,
+ .driver = {
+ .name = (char *)hcd_name,
+ .owner = THIS_MODULE,
+ },
};
static int __init u132_hcd_init(void)
{
- int retval;
- INIT_LIST_HEAD(&u132_static_list);
- u132_instances = 0;
- u132_exiting = 0;
- mutex_init(&u132_module_lock);
- if (usb_disabled())
- return -ENODEV;
- printk(KERN_INFO "driver %s built at %s on %s\n", hcd_name, __TIME__,
- __DATE__);
- workqueue = create_singlethread_workqueue("u132");
- retval = platform_driver_register(&u132_platform_driver);
- return retval;
+ int retval;
+ INIT_LIST_HEAD(&u132_static_list);
+ u132_instances = 0;
+ u132_exiting = 0;
+ mutex_init(&u132_module_lock);
+ if (usb_disabled())
+ return -ENODEV;
+ printk(KERN_INFO "driver %s built at %s on %s\n", hcd_name, __TIME__,
+ __DATE__);
+ workqueue = create_singlethread_workqueue("u132");
+ retval = platform_driver_register(&u132_platform_driver);
+ return retval;
}
module_init(u132_hcd_init);
static void __exit u132_hcd_exit(void)
{
- struct u132 *u132;
- struct u132 *temp;
- mutex_lock(&u132_module_lock);
- u132_exiting += 1;
- mutex_unlock(&u132_module_lock);
- list_for_each_entry_safe(u132, temp, &u132_static_list, u132_list) {
- platform_device_unregister(u132->platform_dev);
- } platform_driver_unregister(&u132_platform_driver);
- printk(KERN_INFO "u132-hcd driver deregistered\n");
- wait_event(u132_hcd_wait, u132_instances == 0);
- flush_workqueue(workqueue);
- destroy_workqueue(workqueue);
+ struct u132 *u132;
+ struct u132 *temp;
+ mutex_lock(&u132_module_lock);
+ u132_exiting += 1;
+ mutex_unlock(&u132_module_lock);
+ list_for_each_entry_safe(u132, temp, &u132_static_list, u132_list) {
+ platform_device_unregister(u132->platform_dev);
+ }
+ platform_driver_unregister(&u132_platform_driver);
+ printk(KERN_INFO "u132-hcd driver deregistered\n");
+ wait_event(u132_hcd_wait, u132_instances == 0);
+ flush_workqueue(workqueue);
+ destroy_workqueue(workqueue);
}
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff