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Diffstat (limited to 'uClinux-2.4.20-uc1/drivers/usb/usb-ohci.h')
-rw-r--r--uClinux-2.4.20-uc1/drivers/usb/usb-ohci.h137
1 files changed, 136 insertions, 1 deletions
diff --git a/uClinux-2.4.20-uc1/drivers/usb/usb-ohci.h b/uClinux-2.4.20-uc1/drivers/usb/usb-ohci.h
index 0f3329e..94b81ed 100644
--- a/uClinux-2.4.20-uc1/drivers/usb/usb-ohci.h
+++ b/uClinux-2.4.20-uc1/drivers/usb/usb-ohci.h
@@ -6,8 +6,35 @@
*
* usb-ohci.h
*/
-
+/*define for no pci bus*/
+/* This defines the direction arg to the DMA mapping routines. */
+#define PCI_DMA_BIDIRECTIONAL 0
+#define PCI_DMA_TODEVICE 1
+#define PCI_DMA_FROMDEVICE 2
+#define PCI_DMA_NONE 3
+
+#define PCI_ANY_ID (~0)
+#define PCI_CLASS_SERIAL_USB 0x0c03
+
+struct pci_device_id {
+ unsigned int vendor, device; /* Vendor and device ID or PCI_ANY_ID */
+ unsigned int subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */
+ unsigned int class, class_mask; /* (class,subclass,prog-if) triplet */
+ unsigned long driver_data; /* Data private to the driver */
+};
+
+struct pci_driver {
+ struct list_head node;
+ char *name;
+ const struct pci_device_id *id_table; /* NULL if wants all devices */
+ int (*probe) (const struct pci_device_id *id); /* New device inserted */
+ void (*remove) (struct pci_dev *dev); /* Device removed (NULL if not a hot-plug capable driver) */
+};
+
+/*-------------------end data struct from pci.h----------------------------------*/
+
+
static int cc_to_error[16] = {
/* mapping of the OHCI CC status to error codes */
@@ -369,6 +396,16 @@ struct hash_list_t {
* Note how the "proper" USB information is just
* a subset of what the full implementation needs. (Linus)
*/
+struct ohci_pool { /* the pool */
+ struct list_head page_list;
+ spinlock_t lock;
+ size_t blocks_per_page;
+ size_t size;
+ int flags;
+ size_t allocation;
+ char name [32];
+ wait_queue_head_t waitq;
+};
typedef struct ohci {
@@ -402,11 +439,18 @@ typedef struct ohci {
struct usb_device * dev[128];
struct virt_root_hub rh;
+#ifndef CONFIG_BOARD_W90N745
/* PCI device handle, settings, ... */
struct pci_dev *ohci_dev;
+#endif
u8 pci_latency;
+#ifndef CONFIG_BOARD_W90N745
struct pci_pool *td_cache;
struct pci_pool *dev_cache;
+#else
+ struct ohci_pool *td_cache;
+ struct ohci_pool *dev_cache;
+#endif
struct hash_list_t td_hash[TD_HASH_SIZE];
struct hash_list_t ed_hash[ED_HASH_SIZE];
@@ -424,6 +468,45 @@ struct ohci_device {
// #define ohci_to_usb(ohci) ((ohci)->usb)
#define usb_to_ohci(usb) ((struct ohci_device *)(usb)->hcpriv)
+#ifdef CONFIG_BOARD_W90N745
+#define POOL_TIMEOUT_JIFFIES ((100 /* msec */ * HZ) / 1000)
+#define POOL_POISON_BYTE 0xa7
+
+struct pci_page { /* cacheable header for 'allocation' bytes */
+ struct list_head page_list;
+ void *vaddr;
+ dma_addr_t dma;
+ unsigned long bitmap [0];
+};
+
+
+void *ohci_alloc_consistent(size_t size, dma_addr_t *handle);
+void ohci_free_consistent(size_t size, void *vaddr,
+ dma_addr_t dma_handle);
+inline dma_addr_t
+ohci_map_single(void *ptr, size_t size, int direction);
+inline void
+ohci_unmap_single(dma_addr_t dma_addr, size_t size, int direction);
+
+struct ohci_pool *
+ohci_pool_create (const char *name,
+ size_t size, size_t align, size_t allocation, int flags);
+void ohci_pool_destroy (struct ohci_pool *pool);
+void *
+ohci_pool_alloc (struct ohci_pool *pool, int mem_flags, dma_addr_t *handle);
+void
+ohci_pool_free (struct ohci_pool *pool, void *vaddr, dma_addr_t dma);
+static struct pci_page *
+pool_alloc_page (struct ohci_pool *pool, int mem_flags);
+static struct pci_page *
+pool_alloc_page (struct ohci_pool *pool, int mem_flags);
+static struct pci_page *
+pool_find_page (struct ohci_pool *pool, dma_addr_t dma);
+static inline int
+is_page_busy (int blocks, unsigned long *bitmap);
+static void
+pool_free_page (struct ohci_pool *pool, struct pci_page *page);
+
/* hcd */
/* endpoint */
static int ep_link(ohci_t * ohci, ed_t * ed);
@@ -438,6 +521,20 @@ static int rh_submit_urb(struct urb * urb);
static int rh_unlink_urb(struct urb * urb);
static int rh_init_int_timer(struct urb * urb);
+/* hcd */
+/* endpoint */
+static int ep_link(ohci_t * ohci, ed_t * ed);
+static int ep_unlink(ohci_t * ohci, ed_t * ed);
+static ed_t * ep_add_ed(struct usb_device * usb_dev, unsigned int pipe, int interval, int load, int mem_flags);
+static void ep_rm_ed(struct usb_device * usb_dev, ed_t * ed);
+/* td */
+static void td_fill(ohci_t * ohci, unsigned int info, dma_addr_t data, int len, struct urb * urb, int index);
+static void td_submit_urb(struct urb * urb);
+/* root hub */
+static int rh_submit_urb(struct urb * urb);
+static int rh_unlink_urb(struct urb * urb);
+static int rh_init_int_timer(struct urb * urb);
+#endif
/*-------------------------------------------------------------------------*/
#define ALLOC_FLAGS (in_interrupt () || current->state != TASK_RUNNING ? GFP_ATOMIC : GFP_KERNEL)
@@ -448,10 +545,12 @@ static int rh_init_int_timer(struct urb * urb);
# define OHCI_MEM_FLAGS 0
#endif
+#ifndef CONFIG_BOARD_W90N745
#ifndef CONFIG_PCI
# error "usb-ohci currently requires PCI-based controllers"
/* to support non-PCI OHCIs, you need custom bus/mem/... glue */
#endif
+#endif
/* Recover a TD/ED using its collision chain */
@@ -559,14 +658,22 @@ hash_free_td (struct ohci * hc, struct td * td)
static int ohci_mem_init (struct ohci *ohci)
{
+#ifdef CONFIG_BOARD_W90N745
+ ohci->td_cache = ohci_pool_create ("ohci_td",
+#else
ohci->td_cache = pci_pool_create ("ohci_td", ohci->ohci_dev,
+#endif
sizeof (struct td),
32 /* byte alignment */,
0 /* no page-crossing issues */,
GFP_KERNEL | OHCI_MEM_FLAGS);
if (!ohci->td_cache)
return -ENOMEM;
+#ifdef CONFIG_BOARD_W90N745
+ ohci->dev_cache = ohci_pool_create ("ohci_dev",
+#else
ohci->dev_cache = pci_pool_create ("ohci_dev", ohci->ohci_dev,
+#endif
sizeof (struct ohci_device),
16 /* byte alignment */,
0 /* no page-crossing issues */,
@@ -579,11 +686,19 @@ static int ohci_mem_init (struct ohci *ohci)
static void ohci_mem_cleanup (struct ohci *ohci)
{
if (ohci->td_cache) {
+#ifdef CONFIG_BOARD_W90N745
+ ohci_pool_destroy (ohci->td_cache);
+#else
pci_pool_destroy (ohci->td_cache);
+#endif
ohci->td_cache = 0;
}
if (ohci->dev_cache) {
+#ifdef CONFIG_BOARD_W90N745
+ ohci_pool_destroy (ohci->td_cache);
+#else
pci_pool_destroy (ohci->dev_cache);
+#endif
ohci->dev_cache = 0;
}
}
@@ -595,13 +710,21 @@ td_alloc (struct ohci *hc, int mem_flags)
dma_addr_t dma;
struct td *td;
+#ifdef CONFIG_BOARD_W90N745
+ td = ohci_pool_alloc (hc->td_cache, mem_flags, &dma);
+#else
td = pci_pool_alloc (hc->td_cache, mem_flags, &dma);
+#endif
if (td) {
td->td_dma = dma;
/* hash it for later reverse mapping */
if (!hash_add_td (hc, td)) {
+#ifdef CONFIG_BOARD_W90N745
+ ohci_pool_free (hc->td_cache, td, dma);
+#else
pci_pool_free (hc->td_cache, td, dma);
+#endif
return NULL;
}
}
@@ -612,7 +735,11 @@ static inline void
td_free (struct ohci *hc, struct td *td)
{
hash_free_td (hc, td);
+#ifdef CONFIG_BOARD_W90N745
+ ohci_pool_free (hc->td_cache, td, td->td_dma);
+#else
pci_pool_free (hc->td_cache, td, td->td_dma);
+#endif
}
@@ -624,7 +751,11 @@ dev_alloc (struct ohci *hc, int mem_flags)
struct ohci_device *dev;
int i, offset;
+#ifdef CONFIG_BOARD_W90N745
+ dev = ohci_pool_alloc (hc->dev_cache, mem_flags, &dma);
+#else
dev = pci_pool_alloc (hc->dev_cache, mem_flags, &dma);
+#endif
if (dev) {
memset (dev, 0, sizeof (*dev));
dev->dma = dma;
@@ -639,6 +770,10 @@ dev_alloc (struct ohci *hc, int mem_flags)
static inline void
dev_free (struct ohci *hc, struct ohci_device *dev)
{
+#ifdef CONFIG_BOARD_W90N745
+ ohci_pool_free (hc->dev_cache, dev, dev->dma);
+#else
pci_pool_free (hc->dev_cache, dev, dev->dma);
+#endif
}
generated by cgit v0.12 at 2024-05-02 12:43:55 (GMT)