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git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - drivers/usb/gadget/ci13xxx_udc.h
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 CI13XXX_PAGE_SIZE 4096ul /* page size for TD's */
23 #define ENDPT_MAX (32)
24 #define CTRL_PAYLOAD_MAX (64)
25 #define RX (0) /* similar to USB_DIR_OUT but can be used as an index */
26 #define TX (1) /* similar to USB_DIR_IN but can be used as an index */
28 /******************************************************************************
30 *****************************************************************************/
31 /* DMA layout of transfer descriptors */
35 #define TD_TERMINATE BIT(0)
36 #define TD_ADDR_MASK (0xFFFFFFEUL << 5)
39 #define TD_STATUS (0x00FFUL << 0)
40 #define TD_STATUS_TR_ERR BIT(3)
41 #define TD_STATUS_DT_ERR BIT(5)
42 #define TD_STATUS_HALTED BIT(6)
43 #define TD_STATUS_ACTIVE BIT(7)
44 #define TD_MULTO (0x0003UL << 10)
45 #define TD_IOC BIT(15)
46 #define TD_TOTAL_BYTES (0x7FFFUL << 16)
49 #define TD_CURR_OFFSET (0x0FFFUL << 0)
50 #define TD_FRAME_NUM (0x07FFUL << 0)
51 #define TD_RESERVED_MASK (0x0FFFUL << 0)
52 } __attribute__ ((packed
));
54 /* DMA layout of queue heads */
58 #define QH_IOS BIT(15)
59 #define QH_MAX_PKT (0x07FFUL << 16)
60 #define QH_ZLT BIT(29)
61 #define QH_MULT (0x0003UL << 30)
68 struct usb_ctrlrequest setup
;
69 } __attribute__ ((packed
));
71 /* Extension of usb_request */
73 struct usb_request req
;
75 struct list_head queue
;
76 struct ci13xxx_td
*ptr
;
78 struct ci13xxx_td
*zptr
;
82 /* Extension of usb_ep */
85 const struct usb_endpoint_descriptor
*desc
;
91 struct list_head queue
;
92 struct ci13xxx_qh
*ptr
;
97 /* global resources */
99 struct device
*device
;
100 struct dma_pool
*td_pool
;
104 struct ci13xxx_udc_driver
{
107 #define CI13XXX_REGS_SHARED BIT(0)
108 #define CI13XXX_REQUIRE_TRANSCEIVER BIT(1)
109 #define CI13XXX_PULLUP_ON_VBUS BIT(2)
110 #define CI13XXX_DISABLE_STREAMING BIT(3)
112 #define CI13XXX_CONTROLLER_RESET_EVENT 0
113 #define CI13XXX_CONTROLLER_STOPPED_EVENT 1
114 void (*notify_event
) (struct ci13xxx
*udc
, unsigned event
);
117 /* CI13XXX UDC descriptor & global resources */
119 spinlock_t
*lock
; /* ctrl register bank access */
120 void __iomem
*regs
; /* registers address space */
122 struct dma_pool
*qh_pool
; /* DMA pool for queue heads */
123 struct dma_pool
*td_pool
; /* DMA pool for transfer descs */
124 struct usb_request
*status
; /* ep0 status request */
126 struct usb_gadget gadget
; /* USB slave device */
127 struct ci13xxx_ep ci13xxx_ep
[ENDPT_MAX
]; /* extended endpts */
128 u32 ep0_dir
; /* ep0 direction */
129 #define ep0out ci13xxx_ep[0]
130 #define ep0in ci13xxx_ep[16]
131 u8 remote_wakeup
; /* Is remote wakeup feature
132 enabled by the host? */
133 u8 suspended
; /* suspended by the host */
134 u8 test_mode
; /* the selected test mode */
136 struct usb_gadget_driver
*driver
; /* 3rd party gadget driver */
137 struct ci13xxx_udc_driver
*udc_driver
; /* device controller driver */
138 int vbus_active
; /* is VBUS active */
139 struct otg_transceiver
*transceiver
; /* Transceiver struct */
142 /******************************************************************************
144 *****************************************************************************/
146 #define REG_BITS (32)
149 #define HCCPARAMS_LEN BIT(17)
152 #define DCCPARAMS_DEN (0x1F << 0)
153 #define DCCPARAMS_DC BIT(7)
156 #define TESTMODE_FORCE BIT(0)
159 #define USBCMD_RS BIT(0)
160 #define USBCMD_RST BIT(1)
161 #define USBCMD_SUTW BIT(13)
162 #define USBCMD_ATDTW BIT(14)
164 /* USBSTS & USBINTR */
165 #define USBi_UI BIT(0)
166 #define USBi_UEI BIT(1)
167 #define USBi_PCI BIT(2)
168 #define USBi_URI BIT(6)
169 #define USBi_SLI BIT(8)
172 #define DEVICEADDR_USBADRA BIT(24)
173 #define DEVICEADDR_USBADR (0x7FUL << 25)
176 #define PORTSC_FPR BIT(6)
177 #define PORTSC_SUSP BIT(7)
178 #define PORTSC_HSP BIT(9)
179 #define PORTSC_PTC (0x0FUL << 16)
182 #define DEVLC_PSPD (0x03UL << 25)
183 #define DEVLC_PSPD_HS (0x02UL << 25)
186 #define USBMODE_CM (0x03UL << 0)
187 #define USBMODE_CM_IDLE (0x00UL << 0)
188 #define USBMODE_CM_DEVICE (0x02UL << 0)
189 #define USBMODE_CM_HOST (0x03UL << 0)
190 #define USBMODE_SLOM BIT(3)
191 #define USBMODE_SDIS BIT(4)
194 #define ENDPTCTRL_RXS BIT(0)
195 #define ENDPTCTRL_RXT (0x03UL << 2)
196 #define ENDPTCTRL_RXR BIT(6) /* reserved for port 0 */
197 #define ENDPTCTRL_RXE BIT(7)
198 #define ENDPTCTRL_TXS BIT(16)
199 #define ENDPTCTRL_TXT (0x03UL << 18)
200 #define ENDPTCTRL_TXR BIT(22) /* reserved for port 0 */
201 #define ENDPTCTRL_TXE BIT(23)
203 /******************************************************************************
205 *****************************************************************************/
206 #define ci13xxx_printk(level, format, args...) \
209 printk(level "[%s] " format "\n", __func__, ## args); \
211 dev_printk(level, _udc->gadget.dev.parent, \
212 "[%s] " format "\n", __func__, ## args); \
215 #define err(format, args...) ci13xxx_printk(KERN_ERR, format, ## args)
216 #define warn(format, args...) ci13xxx_printk(KERN_WARNING, format, ## args)
217 #define info(format, args...) ci13xxx_printk(KERN_INFO, format, ## args)
220 #define trace(format, args...) ci13xxx_printk(KERN_DEBUG, format, ## args)
221 #define dbg_trace(format, args...) dev_dbg(dev, format, ##args)
223 #define trace(format, args...) do {} while (0)
224 #define dbg_trace(format, args...) do {} while (0)
227 #endif /* _CI13XXX_h_ */