1 files changed, 57 insertions, 5 deletions

diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 29a8e1679e12..9e57f8e9bf17 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -41,6 +41,7 @@
 
 #include <linux/device.h>
 #include <linux/spinlock.h>
+#include <linux/ioport.h>
 #include <linux/list.h>
 #include <linux/dma-mapping.h>
 #include <linux/mm.h>
@@ -52,7 +53,6 @@
 /* Global constants */
 #define DWC3_ENDPOINTS_NUM      32
 
-#define DWC3_EVENT_BUFFERS_NUM  2
 #define DWC3_EVENT_BUFFERS_SIZE PAGE_SIZE
 #define DWC3_EVENT_TYPE_MASK    0xfe
 
@@ -153,6 +153,7 @@
 #define DWC3_GCTL_CLK_PIPEHALF  (2)
 #define DWC3_GCTL_CLK_MASK      (3)
 
+#define DWC3_GCTL_PRTCAP(n)     (((n) & (3 << 12)) >> 12)
 #define DWC3_GCTL_PRTCAPDIR(n)  (n << 12)
 #define DWC3_GCTL_PRTCAP_HOST   1
 #define DWC3_GCTL_PRTCAP_DEVICE 2
@@ -347,6 +348,7 @@ struct dwc3_ep {
         u32                     free_slot;
         u32                     busy_slot;
         const struct usb_endpoint_descriptor *desc;
+        const struct usb_ss_ep_comp_descriptor *comp_desc;
         struct dwc3             *dwc;
 
         unsigned                flags;
@@ -536,6 +538,31 @@ struct dwc3_hwparams {
         u32     hwparams8;
 };
 
+/* HWPARAMS0 */
+#define DWC3_MODE(n)            ((n) & 0x7)
+
+#define DWC3_MODE_DEVICE        0
+#define DWC3_MODE_HOST          1
+#define DWC3_MODE_DRD           2
+#define DWC3_MODE_HUB           3
+
+/* HWPARAMS1 */
+#define DWC3_NUM_INT(n) (((n) & (0x3f << 15)) >> 15)
+
+struct dwc3_request {
+        struct usb_request      request;
+        struct list_head        list;
+        struct dwc3_ep          *dep;
+
+        u8                      epnum;
+        struct dwc3_trb_hw      *trb;
+        dma_addr_t              trb_dma;
+
+        unsigned                direction:1;
+        unsigned                mapped:1;
+        unsigned                queued:1;
+};
+
 /**
  * struct dwc3 - representation of our controller
  * @ctrl_req: usb control request which is used for ep0
@@ -549,19 +576,24 @@ struct dwc3_hwparams {
  * @ep0_bounce_addr: dma address of ep0_bounce
  * @lock: for synchronizing
  * @dev: pointer to our struct device
+ * @xhci: pointer to our xHCI child
  * @event_buffer_list: a list of event buffers
  * @gadget: device side representation of the peripheral controller
  * @gadget_driver: pointer to the gadget driver
  * @regs: base address for our registers
  * @regs_size: address space size
  * @irq: IRQ number
+ * @num_event_buffers: calculated number of event buffers
+ * @u1u2: only used on revisions <1.83a for workaround
+ * @maximum_speed: maximum speed requested (mainly for testing purposes)
  * @revision: revision register contents
+ * @mode: mode of operation
  * @is_selfpowered: true when we are selfpowered
  * @three_stage_setup: set if we perform a three phase setup
- * @ep0_status_pending: ep0 status response without a req is pending
  * @ep0_bounced: true when we used bounce buffer
  * @ep0_expect_in: true when we expect a DATA IN transfer
  * @start_config_issued: true when StartConfig command has been issued
+ * @setup_packet_pending: true when there's a Setup Packet in FIFO. Workaround
  * @ep0_next_event: hold the next expected event
  * @ep0state: state of endpoint zero
  * @link_state: link state
@@ -579,12 +611,15 @@ struct dwc3 {
         dma_addr_t              ep0_trb_addr;
         dma_addr_t              setup_buf_addr;
         dma_addr_t              ep0_bounce_addr;
-        struct usb_request      ep0_usb_req;
+        struct dwc3_request     ep0_usb_req;
         /* device lock */
         spinlock_t              lock;
         struct device           *dev;
 
-        struct dwc3_event_buffer *ev_buffs[DWC3_EVENT_BUFFERS_NUM];
+        struct platform_device  *xhci;
+        struct resource         *res;
+
+        struct dwc3_event_buffer **ev_buffs;
         struct dwc3_ep          *eps[DWC3_ENDPOINTS_NUM];
 
         struct usb_gadget       gadget;
@@ -595,7 +630,11 @@ struct dwc3 {
 
         int                     irq;
 
+        u32                     num_event_buffers;
+        u32                     u1u2;
+        u32                     maximum_speed;
         u32                     revision;
+        u32                     mode;
 
 #define DWC3_REVISION_173A      0x5533173a
 #define DWC3_REVISION_175A      0x5533175a
@@ -607,10 +646,11 @@ struct dwc3 {
 
         unsigned                is_selfpowered:1;
         unsigned                three_stage_setup:1;
-        unsigned                ep0_status_pending:1;
         unsigned                ep0_bounced:1;
         unsigned                ep0_expect_in:1;
         unsigned                start_config_issued:1;
+        unsigned                setup_packet_pending:1;
+        unsigned                delayed_status:1;
 
         enum dwc3_ep0_next      ep0_next_event;
         enum dwc3_ep0_state     ep0state;
@@ -765,4 +805,16 @@ union dwc3_event {
 #define DWC3_HAS_XHCI                   BIT(1)
 #define DWC3_HAS_OTG                    BIT(3)
 
+/* prototypes */
+void dwc3_set_mode(struct dwc3 *dwc, u32 mode);
+
+int dwc3_host_init(struct dwc3 *dwc);
+void dwc3_host_exit(struct dwc3 *dwc);
+
+int dwc3_gadget_init(struct dwc3 *dwc);
+void dwc3_gadget_exit(struct dwc3 *dwc);
+
+extern int dwc3_get_device_id(void);
+extern void dwc3_put_device_id(int id);
+
 #endif /* __DRIVERS_USB_DWC3_CORE_H */