2 * ci13xxx_udc.h - structures, registers, and macros MIPS USB IP core
4 * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
12 * Description: MIPS USB IP core family device controller
13 * Structures, registers and logging macros
19 /******************************************************************************
21 *****************************************************************************/
22 #define ENDPT_MAX (16)
23 #define CTRL_PAYLOAD_MAX (64)
24 #define RX (0) /* similar to USB_DIR_OUT but can be used as an index */
25 #define TX (1) /* similar to USB_DIR_IN but can be used as an index */
27 /******************************************************************************
29 *****************************************************************************/
30 /* DMA layout of transfer descriptors */
34 #define TD_TERMINATE BIT(0)
37 #define TD_STATUS (0x00FFUL << 0)
38 #define TD_STATUS_TR_ERR BIT(3)
39 #define TD_STATUS_DT_ERR BIT(5)
40 #define TD_STATUS_HALTED BIT(6)
41 #define TD_STATUS_ACTIVE BIT(7)
42 #define TD_MULTO (0x0003UL << 10)
43 #define TD_IOC BIT(15)
44 #define TD_TOTAL_BYTES (0x7FFFUL << 16)
47 #define TD_CURR_OFFSET (0x0FFFUL << 0)
48 #define TD_FRAME_NUM (0x07FFUL << 0)
49 #define TD_RESERVED_MASK (0x0FFFUL << 0)
50 } __attribute__ ((packed));
52 /* DMA layout of queue heads */
56 #define QH_IOS BIT(15)
57 #define QH_MAX_PKT (0x07FFUL << 16)
58 #define QH_ZLT BIT(29)
59 #define QH_MULT (0x0003UL << 30)
66 struct usb_ctrlrequest setup;
67 } __attribute__ ((packed));
69 /* Extension of usb_request */
71 struct usb_request req;
73 struct list_head queue;
74 struct ci13xxx_td *ptr;
78 /* Extension of usb_ep */
81 const struct usb_endpoint_descriptor *desc;
87 struct list_head queue;
88 struct ci13xxx_qh *ptr;
91 struct usb_request *status;
94 /* global resources */
96 struct device *device;
97 struct dma_pool *td_pool;
100 /* CI13XXX UDC descriptor & global resources */
102 spinlock_t *lock; /* ctrl register bank access */
104 struct dma_pool *qh_pool; /* DMA pool for queue heads */
105 struct dma_pool *td_pool; /* DMA pool for transfer descs */
107 struct usb_gadget gadget; /* USB slave device */
108 struct ci13xxx_ep ci13xxx_ep[ENDPT_MAX]; /* extended endpts */
110 struct usb_gadget_driver *driver; /* 3rd party gadget driver */
113 /******************************************************************************
115 *****************************************************************************/
117 #define REG_BITS (32)
120 #define HCCPARAMS_LEN BIT(17)
123 #define DCCPARAMS_DEN (0x1F << 0)
124 #define DCCPARAMS_DC BIT(7)
127 #define TESTMODE_FORCE BIT(0)
130 #define USBCMD_RS BIT(0)
131 #define USBCMD_RST BIT(1)
132 #define USBCMD_SUTW BIT(13)
134 /* USBSTS & USBINTR */
135 #define USBi_UI BIT(0)
136 #define USBi_UEI BIT(1)
137 #define USBi_PCI BIT(2)
138 #define USBi_URI BIT(6)
139 #define USBi_SLI BIT(8)
142 #define DEVICEADDR_USBADRA BIT(24)
143 #define DEVICEADDR_USBADR (0x7FUL << 25)
146 #define PORTSC_SUSP BIT(7)
147 #define PORTSC_HSP BIT(9)
148 #define PORTSC_PTC (0x0FUL << 16)
151 #define DEVLC_PSPD (0x03UL << 25)
152 #define DEVLC_PSPD_HS (0x02UL << 25)
155 #define USBMODE_CM (0x03UL << 0)
156 #define USBMODE_CM_IDLE (0x00UL << 0)
157 #define USBMODE_CM_DEVICE (0x02UL << 0)
158 #define USBMODE_CM_HOST (0x03UL << 0)
159 #define USBMODE_SLOM BIT(3)
162 #define ENDPTCTRL_RXS BIT(0)
163 #define ENDPTCTRL_RXT (0x03UL << 2)
164 #define ENDPTCTRL_RXR BIT(6) /* reserved for port 0 */
165 #define ENDPTCTRL_RXE BIT(7)
166 #define ENDPTCTRL_TXS BIT(16)
167 #define ENDPTCTRL_TXT (0x03UL << 18)
168 #define ENDPTCTRL_TXR BIT(22) /* reserved for port 0 */
169 #define ENDPTCTRL_TXE BIT(23)
171 /******************************************************************************
173 *****************************************************************************/
174 #define ci13xxx_printk(level, format, args...) \
177 printk(level "[%s] " format "\n", __func__, ## args); \
179 dev_printk(level, _udc->gadget.dev.parent, \
180 "[%s] " format "\n", __func__, ## args); \
183 #define err(format, args...) ci13xxx_printk(KERN_ERR, format, ## args)
184 #define warn(format, args...) ci13xxx_printk(KERN_WARNING, format, ## args)
185 #define info(format, args...) ci13xxx_printk(KERN_INFO, format, ## args)
188 #define trace(format, args...) ci13xxx_printk(KERN_DEBUG, format, ## args)
189 #define dbg_trace(format, args...) dev_dbg(dev, format, ##args)
191 #define trace(format, args...) do {} while (0)
192 #define dbg_trace(format, args...) do {} while (0)
195 #endif /* _CI13XXX_h_ */