* Copyright 2011, Marvell Semiconductor Inc.
* Lei Wen <leiwen@marvell.com>
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
-/* Endpoint 0 states */
-#define EP0_IDLE 0
-#define EP0_IN_DATA 1
-#define EP0_OUT_DATA 2
-#define EP0_XFER_COMPLETE 3
+#include "../../drivers/usb/host/ehci.h"
+#define NUM_ENDPOINTS 6
/* Endpoint parameters */
#define MAX_ENDPOINTS 4
-#define EP_MAX_PACKET_SIZE 0x200
+#define EP_MAX_PACKET_SIZE 0x200
#define EP0_MAX_PACKET_SIZE 64
-#define UDC_OUT_ENDPOINT 0x02
-#define UDC_OUT_PACKET_SIZE EP_MAX_PACKET_SIZE
-#define UDC_IN_ENDPOINT 0x01
-#define UDC_IN_PACKET_SIZE EP_MAX_PACKET_SIZE
-#define UDC_INT_ENDPOINT 0x05
-#define UDC_INT_PACKET_SIZE EP_MAX_PACKET_SIZE
-#define UDC_BULK_PACKET_SIZE EP_MAX_PACKET_SIZE
-
-#define NUM_ENDPOINTS 6
-#define REQ_COUNT 12
-struct mv_ep {
- struct usb_ep ep;
- struct usb_request req;
- struct list_head queue;
- const struct usb_endpoint_descriptor *desc;
-};
struct mv_udc {
- u32 pad0[80];
#define MICRO_8FRAME 0x8
-#define USBCMD_ITC(x) (((x > 0xff) ? 0xff : x) << 16)
+#define USBCMD_ITC(x) ((((x) > 0xff) ? 0xff : x) << 16)
#define USBCMD_FS2 (1 << 15)
#define USBCMD_RST (1 << 1)
#define USBCMD_RUN (1)
u32 epinitaddr; /* 0x158 */
u32 pad2[10];
#define PTS_ENABLE 2
-#define PTS(x) ((x & 0x3) << 30)
+#define PTS(x) (((x) & 0x3) << 30)
#define PFSC (1 << 24)
u32 portsc; /* 0x184 */
u32 pad3[8];
#define USBMODE_DEVICE 2
u32 usbmode; /* 0x1a8 */
u32 epstat; /* 0x1ac */
-#define EPT_TX(x) (1 << ((x & 0xffff) + 16))
-#define EPT_RX(x) (1 << (x & 0xffff))
+#define EPT_TX(x) (1 << (((x) & 0xffff) + 16))
+#define EPT_RX(x) (1 << ((x) & 0xffff))
u32 epprime; /* 0x1b0 */
u32 epflush; /* 0x1b4 */
u32 pad4;
u32 epcomp; /* 0x1bc */
-#define CTRL_TXE (1 << 23)
-#define CTRL_TXR (1 << 22)
-#define CTRL_RXE (1 << 7)
-#define CTRL_RXR (1 << 6)
-#define CTRL_TXT_BULK (2 << 18)
-#define CTRL_RXT_BULK (2 << 2)
+#define CTRL_TXE (1 << 23)
+#define CTRL_TXR (1 << 22)
+#define CTRL_RXE (1 << 7)
+#define CTRL_RXR (1 << 6)
+#define CTRL_TXT_BULK (2 << 18)
+#define CTRL_RXT_BULK (2 << 2)
u32 epctrl[16]; /* 0x1c0 */
};
+struct mv_ep {
+ struct usb_ep ep;
+ struct list_head queue;
+ const struct usb_endpoint_descriptor *desc;
+
+ struct usb_request req;
+ uint8_t *b_buf;
+ uint32_t b_len;
+ uint8_t b_fast[64] __aligned(ARCH_DMA_MINALIGN);
+};
+
struct mv_drv {
struct usb_gadget gadget;
- struct usb_gadget_driver *driver;
- struct mv_udc *udc;
+ struct usb_gadget_driver *driver;
+ struct ehci_ctrl *ctrl;
+ struct ept_queue_head *epts;
+ struct ept_queue_item *items[2 * NUM_ENDPOINTS];
+ uint8_t *items_mem;
+ struct mv_ep ep[NUM_ENDPOINTS];
};
struct ept_queue_head {
unsigned config;
- unsigned current; /* read-only */
+ unsigned current; /* read-only */
unsigned next;
unsigned info;
unsigned reserved_4;
};
-#define CONFIG_MAX_PKT(n) ((n) << 16)
-#define CONFIG_ZLT (1 << 29) /* stop on zero-len xfer */
-#define CONFIG_IOS (1 << 15) /* IRQ on setup */
+#define CONFIG_MAX_PKT(n) ((n) << 16)
+#define CONFIG_ZLT (1 << 29) /* stop on zero-len xfer */
+#define CONFIG_IOS (1 << 15) /* IRQ on setup */
struct ept_queue_item {
unsigned next;
};
#define TERMINATE 1
-#define INFO_BYTES(n) ((n) << 16)
-#define INFO_IOC (1 << 15)
-#define INFO_ACTIVE (1 << 7)
-#define INFO_HALTED (1 << 6)
-#define INFO_BUFFER_ERROR (1 << 5)
-#define INFO_TX_ERROR (1 << 3)
-
-extern int usb_lowlevel_init(int index, void **controller);
+#define INFO_BYTES(n) ((n) << 16)
+#define INFO_IOC (1 << 15)
+#define INFO_ACTIVE (1 << 7)
+#define INFO_HALTED (1 << 6)
+#define INFO_BUFFER_ERROR (1 << 5)
+#define INFO_TX_ERROR (1 << 3)
+
#endif /* __MV_UDC_H__ */
projects / u-boot / blobdiff