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fsl_usb2_udc.h
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1 /*
2  * Copyright (C) 2004,2012 Freescale Semiconductor, Inc
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License as published by the
7  * Free Software Foundation; either version 2 of the License, or (at your
8  * option) any later version.
9  *
10  * Freescale USB device/endpoint management registers
11  */
12 #ifndef __FSL_USB2_UDC_H
13 #define __FSL_USB2_UDC_H
14 
15 /* ### define USB registers here
16  */
17 #define USB_MAX_CTRL_PAYLOAD 64
18 #define USB_DR_SYS_OFFSET 0x400
19 
20  /* USB DR device mode registers (Little Endian) */
21 struct usb_dr_device {
22  /* Capability register */
23  u8 res1[256];
24  u16 caplength; /* Capability Register Length */
25  u16 hciversion; /* Host Controller Interface Version */
26  u32 hcsparams; /* Host Controller Structural Parameters */
27  u32 hccparams; /* Host Controller Capability Parameters */
28  u8 res2[20];
29  u32 dciversion; /* Device Controller Interface Version */
30  u32 dccparams; /* Device Controller Capability Parameters */
31  u8 res3[24];
32  /* Operation register */
33  u32 usbcmd; /* USB Command Register */
34  u32 usbsts; /* USB Status Register */
35  u32 usbintr; /* USB Interrupt Enable Register */
36  u32 frindex; /* Frame Index Register */
37  u8 res4[4];
38  u32 deviceaddr; /* Device Address */
39  u32 endpointlistaddr; /* Endpoint List Address Register */
40  u8 res5[4];
41  u32 burstsize; /* Master Interface Data Burst Size Register */
42  u32 txttfilltuning; /* Transmit FIFO Tuning Controls Register */
43  u8 res6[24];
44  u32 configflag; /* Configure Flag Register */
45  u32 portsc1; /* Port 1 Status and Control Register */
46  u8 res7[28];
47  u32 otgsc; /* On-The-Go Status and Control */
48  u32 usbmode; /* USB Mode Register */
49  u32 endptsetupstat; /* Endpoint Setup Status Register */
50  u32 endpointprime; /* Endpoint Initialization Register */
51  u32 endptflush; /* Endpoint Flush Register */
52  u32 endptstatus; /* Endpoint Status Register */
53  u32 endptcomplete; /* Endpoint Complete Register */
54  u32 endptctrl[6]; /* Endpoint Control Registers */
55 };
56 
57  /* USB DR host mode registers (Little Endian) */
58 struct usb_dr_host {
59  /* Capability register */
60  u8 res1[256];
61  u16 caplength; /* Capability Register Length */
62  u16 hciversion; /* Host Controller Interface Version */
63  u32 hcsparams; /* Host Controller Structural Parameters */
64  u32 hccparams; /* Host Controller Capability Parameters */
65  u8 res2[20];
66  u32 dciversion; /* Device Controller Interface Version */
67  u32 dccparams; /* Device Controller Capability Parameters */
68  u8 res3[24];
69  /* Operation register */
70  u32 usbcmd; /* USB Command Register */
71  u32 usbsts; /* USB Status Register */
72  u32 usbintr; /* USB Interrupt Enable Register */
73  u32 frindex; /* Frame Index Register */
74  u8 res4[4];
75  u32 periodiclistbase; /* Periodic Frame List Base Address Register */
76  u32 asynclistaddr; /* Current Asynchronous List Address Register */
77  u8 res5[4];
78  u32 burstsize; /* Master Interface Data Burst Size Register */
79  u32 txttfilltuning; /* Transmit FIFO Tuning Controls Register */
80  u8 res6[24];
81  u32 configflag; /* Configure Flag Register */
82  u32 portsc1; /* Port 1 Status and Control Register */
83  u8 res7[28];
84  u32 otgsc; /* On-The-Go Status and Control */
85  u32 usbmode; /* USB Mode Register */
86  u32 endptsetupstat; /* Endpoint Setup Status Register */
87  u32 endpointprime; /* Endpoint Initialization Register */
88  u32 endptflush; /* Endpoint Flush Register */
89  u32 endptstatus; /* Endpoint Status Register */
90  u32 endptcomplete; /* Endpoint Complete Register */
91  u32 endptctrl[6]; /* Endpoint Control Registers */
92 };
93 
94  /* non-EHCI USB system interface registers (Big Endian) */
95 struct usb_sys_interface {
96  u32 snoop1;
97  u32 snoop2;
98  u32 age_cnt_thresh; /* Age Count Threshold Register */
99  u32 pri_ctrl; /* Priority Control Register */
100  u32 si_ctrl; /* System Interface Control Register */
101  u8 res[236];
102  u32 control; /* General Purpose Control Register */
103 };
104 
105 /* ep0 transfer state */
106 #define WAIT_FOR_SETUP 0
107 #define DATA_STATE_XMIT 1
108 #define DATA_STATE_NEED_ZLP 2
109 #define WAIT_FOR_OUT_STATUS 3
110 #define DATA_STATE_RECV 4
111 
112 /* Device Controller Capability Parameter register */
113 #define DCCPARAMS_DC 0x00000080
114 #define DCCPARAMS_DEN_MASK 0x0000001f
115 
116 /* Frame Index Register Bit Masks */
117 #define USB_FRINDEX_MASKS 0x3fff
118 /* USB CMD Register Bit Masks */
119 #define USB_CMD_RUN_STOP 0x00000001
120 #define USB_CMD_CTRL_RESET 0x00000002
121 #define USB_CMD_PERIODIC_SCHEDULE_EN 0x00000010
122 #define USB_CMD_ASYNC_SCHEDULE_EN 0x00000020
123 #define USB_CMD_INT_AA_DOORBELL 0x00000040
124 #define USB_CMD_ASP 0x00000300
125 #define USB_CMD_ASYNC_SCH_PARK_EN 0x00000800
126 #define USB_CMD_SUTW 0x00002000
127 #define USB_CMD_ATDTW 0x00004000
128 #define USB_CMD_ITC 0x00FF0000
129 
130 /* bit 15,3,2 are frame list size */
131 #define USB_CMD_FRAME_SIZE_1024 0x00000000
132 #define USB_CMD_FRAME_SIZE_512 0x00000004
133 #define USB_CMD_FRAME_SIZE_256 0x00000008
134 #define USB_CMD_FRAME_SIZE_128 0x0000000C
135 #define USB_CMD_FRAME_SIZE_64 0x00008000
136 #define USB_CMD_FRAME_SIZE_32 0x00008004
137 #define USB_CMD_FRAME_SIZE_16 0x00008008
138 #define USB_CMD_FRAME_SIZE_8 0x0000800C
139 
140 /* bit 9-8 are async schedule park mode count */
141 #define USB_CMD_ASP_00 0x00000000
142 #define USB_CMD_ASP_01 0x00000100
143 #define USB_CMD_ASP_10 0x00000200
144 #define USB_CMD_ASP_11 0x00000300
145 #define USB_CMD_ASP_BIT_POS 8
146 
147 /* bit 23-16 are interrupt threshold control */
148 #define USB_CMD_ITC_NO_THRESHOLD 0x00000000
149 #define USB_CMD_ITC_1_MICRO_FRM 0x00010000
150 #define USB_CMD_ITC_2_MICRO_FRM 0x00020000
151 #define USB_CMD_ITC_4_MICRO_FRM 0x00040000
152 #define USB_CMD_ITC_8_MICRO_FRM 0x00080000
153 #define USB_CMD_ITC_16_MICRO_FRM 0x00100000
154 #define USB_CMD_ITC_32_MICRO_FRM 0x00200000
155 #define USB_CMD_ITC_64_MICRO_FRM 0x00400000
156 #define USB_CMD_ITC_BIT_POS 16
157 
158 /* USB STS Register Bit Masks */
159 #define USB_STS_INT 0x00000001
160 #define USB_STS_ERR 0x00000002
161 #define USB_STS_PORT_CHANGE 0x00000004
162 #define USB_STS_FRM_LST_ROLL 0x00000008
163 #define USB_STS_SYS_ERR 0x00000010
164 #define USB_STS_IAA 0x00000020
165 #define USB_STS_RESET 0x00000040
166 #define USB_STS_SOF 0x00000080
167 #define USB_STS_SUSPEND 0x00000100
168 #define USB_STS_HC_HALTED 0x00001000
169 #define USB_STS_RCL 0x00002000
170 #define USB_STS_PERIODIC_SCHEDULE 0x00004000
171 #define USB_STS_ASYNC_SCHEDULE 0x00008000
172 
173 /* USB INTR Register Bit Masks */
174 #define USB_INTR_INT_EN 0x00000001
175 #define USB_INTR_ERR_INT_EN 0x00000002
176 #define USB_INTR_PTC_DETECT_EN 0x00000004
177 #define USB_INTR_FRM_LST_ROLL_EN 0x00000008
178 #define USB_INTR_SYS_ERR_EN 0x00000010
179 #define USB_INTR_ASYN_ADV_EN 0x00000020
180 #define USB_INTR_RESET_EN 0x00000040
181 #define USB_INTR_SOF_EN 0x00000080
182 #define USB_INTR_DEVICE_SUSPEND 0x00000100
183 
184 /* Device Address bit masks */
185 #define USB_DEVICE_ADDRESS_MASK 0xFE000000
186 #define USB_DEVICE_ADDRESS_BIT_POS 25
187 
188 /* endpoint list address bit masks */
189 #define USB_EP_LIST_ADDRESS_MASK 0xfffff800
190 
191 /* PORTSCX Register Bit Masks */
192 #define PORTSCX_CURRENT_CONNECT_STATUS 0x00000001
193 #define PORTSCX_CONNECT_STATUS_CHANGE 0x00000002
194 #define PORTSCX_PORT_ENABLE 0x00000004
195 #define PORTSCX_PORT_EN_DIS_CHANGE 0x00000008
196 #define PORTSCX_OVER_CURRENT_ACT 0x00000010
197 #define PORTSCX_OVER_CURRENT_CHG 0x00000020
198 #define PORTSCX_PORT_FORCE_RESUME 0x00000040
199 #define PORTSCX_PORT_SUSPEND 0x00000080
200 #define PORTSCX_PORT_RESET 0x00000100
201 #define PORTSCX_LINE_STATUS_BITS 0x00000C00
202 #define PORTSCX_PORT_POWER 0x00001000
203 #define PORTSCX_PORT_INDICTOR_CTRL 0x0000C000
204 #define PORTSCX_PORT_TEST_CTRL 0x000F0000
205 #define PORTSCX_WAKE_ON_CONNECT_EN 0x00100000
206 #define PORTSCX_WAKE_ON_CONNECT_DIS 0x00200000
207 #define PORTSCX_WAKE_ON_OVER_CURRENT 0x00400000
208 #define PORTSCX_PHY_LOW_POWER_SPD 0x00800000
209 #define PORTSCX_PORT_FORCE_FULL_SPEED 0x01000000
210 #define PORTSCX_PORT_SPEED_MASK 0x0C000000
211 #define PORTSCX_PORT_WIDTH 0x10000000
212 #define PORTSCX_PHY_TYPE_SEL 0xC0000000
213 
214 /* bit 11-10 are line status */
215 #define PORTSCX_LINE_STATUS_SE0 0x00000000
216 #define PORTSCX_LINE_STATUS_JSTATE 0x00000400
217 #define PORTSCX_LINE_STATUS_KSTATE 0x00000800
218 #define PORTSCX_LINE_STATUS_UNDEF 0x00000C00
219 #define PORTSCX_LINE_STATUS_BIT_POS 10
220 
221 /* bit 15-14 are port indicator control */
222 #define PORTSCX_PIC_OFF 0x00000000
223 #define PORTSCX_PIC_AMBER 0x00004000
224 #define PORTSCX_PIC_GREEN 0x00008000
225 #define PORTSCX_PIC_UNDEF 0x0000C000
226 #define PORTSCX_PIC_BIT_POS 14
227 
228 /* bit 19-16 are port test control */
229 #define PORTSCX_PTC_DISABLE 0x00000000
230 #define PORTSCX_PTC_JSTATE 0x00010000
231 #define PORTSCX_PTC_KSTATE 0x00020000
232 #define PORTSCX_PTC_SEQNAK 0x00030000
233 #define PORTSCX_PTC_PACKET 0x00040000
234 #define PORTSCX_PTC_FORCE_EN 0x00050000
235 #define PORTSCX_PTC_BIT_POS 16
236 
237 /* bit 27-26 are port speed */
238 #define PORTSCX_PORT_SPEED_FULL 0x00000000
239 #define PORTSCX_PORT_SPEED_LOW 0x04000000
240 #define PORTSCX_PORT_SPEED_HIGH 0x08000000
241 #define PORTSCX_PORT_SPEED_UNDEF 0x0C000000
242 #define PORTSCX_SPEED_BIT_POS 26
243 
244 /* bit 28 is parallel transceiver width for UTMI interface */
245 #define PORTSCX_PTW 0x10000000
246 #define PORTSCX_PTW_8BIT 0x00000000
247 #define PORTSCX_PTW_16BIT 0x10000000
248 
249 /* bit 31-30 are port transceiver select */
250 #define PORTSCX_PTS_UTMI 0x00000000
251 #define PORTSCX_PTS_ULPI 0x80000000
252 #define PORTSCX_PTS_FSLS 0xC0000000
253 #define PORTSCX_PTS_BIT_POS 30
254 
255 /* otgsc Register Bit Masks */
256 #define OTGSC_CTRL_VUSB_DISCHARGE 0x00000001
257 #define OTGSC_CTRL_VUSB_CHARGE 0x00000002
258 #define OTGSC_CTRL_OTG_TERM 0x00000008
259 #define OTGSC_CTRL_DATA_PULSING 0x00000010
260 #define OTGSC_STS_USB_ID 0x00000100
261 #define OTGSC_STS_A_VBUS_VALID 0x00000200
262 #define OTGSC_STS_A_SESSION_VALID 0x00000400
263 #define OTGSC_STS_B_SESSION_VALID 0x00000800
264 #define OTGSC_STS_B_SESSION_END 0x00001000
265 #define OTGSC_STS_1MS_TOGGLE 0x00002000
266 #define OTGSC_STS_DATA_PULSING 0x00004000
267 #define OTGSC_INTSTS_USB_ID 0x00010000
268 #define OTGSC_INTSTS_A_VBUS_VALID 0x00020000
269 #define OTGSC_INTSTS_A_SESSION_VALID 0x00040000
270 #define OTGSC_INTSTS_B_SESSION_VALID 0x00080000
271 #define OTGSC_INTSTS_B_SESSION_END 0x00100000
272 #define OTGSC_INTSTS_1MS 0x00200000
273 #define OTGSC_INTSTS_DATA_PULSING 0x00400000
274 #define OTGSC_INTR_USB_ID 0x01000000
275 #define OTGSC_INTR_A_VBUS_VALID 0x02000000
276 #define OTGSC_INTR_A_SESSION_VALID 0x04000000
277 #define OTGSC_INTR_B_SESSION_VALID 0x08000000
278 #define OTGSC_INTR_B_SESSION_END 0x10000000
279 #define OTGSC_INTR_1MS_TIMER 0x20000000
280 #define OTGSC_INTR_DATA_PULSING 0x40000000
281 
282 /* USB MODE Register Bit Masks */
283 #define USB_MODE_CTRL_MODE_IDLE 0x00000000
284 #define USB_MODE_CTRL_MODE_DEVICE 0x00000002
285 #define USB_MODE_CTRL_MODE_HOST 0x00000003
286 #define USB_MODE_CTRL_MODE_MASK 0x00000003
287 #define USB_MODE_CTRL_MODE_RSV 0x00000001
288 #define USB_MODE_ES 0x00000004 /* Endian Select */
289 #define USB_MODE_SETUP_LOCK_OFF 0x00000008
290 #define USB_MODE_STREAM_DISABLE 0x00000010
291 /* Endpoint Flush Register */
292 #define EPFLUSH_TX_OFFSET 0x00010000
293 #define EPFLUSH_RX_OFFSET 0x00000000
294 
295 /* Endpoint Setup Status bit masks */
296 #define EP_SETUP_STATUS_MASK 0x0000003F
297 #define EP_SETUP_STATUS_EP0 0x00000001
298 
299 /* ENDPOINTCTRLx Register Bit Masks */
300 #define EPCTRL_TX_ENABLE 0x00800000
301 #define EPCTRL_TX_DATA_TOGGLE_RST 0x00400000 /* Not EP0 */
302 #define EPCTRL_TX_DATA_TOGGLE_INH 0x00200000 /* Not EP0 */
303 #define EPCTRL_TX_TYPE 0x000C0000
304 #define EPCTRL_TX_DATA_SOURCE 0x00020000 /* Not EP0 */
305 #define EPCTRL_TX_EP_STALL 0x00010000
306 #define EPCTRL_RX_ENABLE 0x00000080
307 #define EPCTRL_RX_DATA_TOGGLE_RST 0x00000040 /* Not EP0 */
308 #define EPCTRL_RX_DATA_TOGGLE_INH 0x00000020 /* Not EP0 */
309 #define EPCTRL_RX_TYPE 0x0000000C
310 #define EPCTRL_RX_DATA_SINK 0x00000002 /* Not EP0 */
311 #define EPCTRL_RX_EP_STALL 0x00000001
312 
313 /* bit 19-18 and 3-2 are endpoint type */
314 #define EPCTRL_EP_TYPE_CONTROL 0
315 #define EPCTRL_EP_TYPE_ISO 1
316 #define EPCTRL_EP_TYPE_BULK 2
317 #define EPCTRL_EP_TYPE_INTERRUPT 3
318 #define EPCTRL_TX_EP_TYPE_SHIFT 18
319 #define EPCTRL_RX_EP_TYPE_SHIFT 2
320 
321 /* SNOOPn Register Bit Masks */
322 #define SNOOP_ADDRESS_MASK 0xFFFFF000
323 #define SNOOP_SIZE_ZERO 0x00 /* snooping disable */
324 #define SNOOP_SIZE_4KB 0x0B /* 4KB snoop size */
325 #define SNOOP_SIZE_8KB 0x0C
326 #define SNOOP_SIZE_16KB 0x0D
327 #define SNOOP_SIZE_32KB 0x0E
328 #define SNOOP_SIZE_64KB 0x0F
329 #define SNOOP_SIZE_128KB 0x10
330 #define SNOOP_SIZE_256KB 0x11
331 #define SNOOP_SIZE_512KB 0x12
332 #define SNOOP_SIZE_1MB 0x13
333 #define SNOOP_SIZE_2MB 0x14
334 #define SNOOP_SIZE_4MB 0x15
335 #define SNOOP_SIZE_8MB 0x16
336 #define SNOOP_SIZE_16MB 0x17
337 #define SNOOP_SIZE_32MB 0x18
338 #define SNOOP_SIZE_64MB 0x19
339 #define SNOOP_SIZE_128MB 0x1A
340 #define SNOOP_SIZE_256MB 0x1B
341 #define SNOOP_SIZE_512MB 0x1C
342 #define SNOOP_SIZE_1GB 0x1D
343 #define SNOOP_SIZE_2GB 0x1E /* 2GB snoop size */
344 
345 /* pri_ctrl Register Bit Masks */
346 #define PRI_CTRL_PRI_LVL1 0x0000000C
347 #define PRI_CTRL_PRI_LVL0 0x00000003
348 
349 /* si_ctrl Register Bit Masks */
350 #define SI_CTRL_ERR_DISABLE 0x00000010
351 #define SI_CTRL_IDRC_DISABLE 0x00000008
352 #define SI_CTRL_RD_SAFE_EN 0x00000004
353 #define SI_CTRL_RD_PREFETCH_DISABLE 0x00000002
354 #define SI_CTRL_RD_PREFEFETCH_VAL 0x00000001
355 
356 /* control Register Bit Masks */
357 #define USB_CTRL_IOENB 0x00000004
358 #define USB_CTRL_ULPI_INT0EN 0x00000001
359 #define USB_CTRL_UTMI_PHY_EN 0x00000200
360 #define USB_CTRL_USB_EN 0x00000004
361 #define USB_CTRL_ULPI_PHY_CLK_SEL 0x00000400
362 
363 /* Endpoint Queue Head data struct
364  * Rem: all the variables of qh are LittleEndian Mode
365  * and NEXT_POINTER_MASK should operate on a LittleEndian, Phy Addr
366  */
367 struct ep_queue_head {
368  u32 max_pkt_length; /* Mult(31-30) , Zlt(29) , Max Pkt len
369  and IOS(15) */
370  u32 curr_dtd_ptr; /* Current dTD Pointer(31-5) */
371  u32 next_dtd_ptr; /* Next dTD Pointer(31-5), T(0) */
372  u32 size_ioc_int_sts; /* Total bytes (30-16), IOC (15),
373  MultO(11-10), STS (7-0) */
374  u32 buff_ptr0; /* Buffer pointer Page 0 (31-12) */
375  u32 buff_ptr1; /* Buffer pointer Page 1 (31-12) */
376  u32 buff_ptr2; /* Buffer pointer Page 2 (31-12) */
377  u32 buff_ptr3; /* Buffer pointer Page 3 (31-12) */
378  u32 buff_ptr4; /* Buffer pointer Page 4 (31-12) */
379  u32 res1;
380  u8 setup_buffer[8]; /* Setup data 8 bytes */
381  u32 res2[4];
382 };
383 
384 /* Endpoint Queue Head Bit Masks */
385 #define EP_QUEUE_HEAD_MULT_POS 30
386 #define EP_QUEUE_HEAD_ZLT_SEL 0x20000000
387 #define EP_QUEUE_HEAD_MAX_PKT_LEN_POS 16
388 #define EP_QUEUE_HEAD_MAX_PKT_LEN(ep_info) (((ep_info)>>16)&0x07ff)
389 #define EP_QUEUE_HEAD_IOS 0x00008000
390 #define EP_QUEUE_HEAD_NEXT_TERMINATE 0x00000001
391 #define EP_QUEUE_HEAD_IOC 0x00008000
392 #define EP_QUEUE_HEAD_MULTO 0x00000C00
393 #define EP_QUEUE_HEAD_STATUS_HALT 0x00000040
394 #define EP_QUEUE_HEAD_STATUS_ACTIVE 0x00000080
395 #define EP_QUEUE_CURRENT_OFFSET_MASK 0x00000FFF
396 #define EP_QUEUE_HEAD_NEXT_POINTER_MASK 0xFFFFFFE0
397 #define EP_QUEUE_FRINDEX_MASK 0x000007FF
398 #define EP_MAX_LENGTH_TRANSFER 0x4000
399 
400 /* Endpoint Transfer Descriptor data struct */
401 /* Rem: all the variables of td are LittleEndian Mode */
402 struct ep_td_struct {
403  u32 next_td_ptr; /* Next TD pointer(31-5), T(0) set
404  indicate invalid */
405  u32 size_ioc_sts; /* Total bytes (30-16), IOC (15),
406  MultO(11-10), STS (7-0) */
407  u32 buff_ptr0; /* Buffer pointer Page 0 */
408  u32 buff_ptr1; /* Buffer pointer Page 1 */
409  u32 buff_ptr2; /* Buffer pointer Page 2 */
410  u32 buff_ptr3; /* Buffer pointer Page 3 */
411  u32 buff_ptr4; /* Buffer pointer Page 4 */
412  u32 res;
413  /* 32 bytes */
414  dma_addr_t td_dma; /* dma address for this td */
415  /* virtual address of next td specified in next_td_ptr */
416  struct ep_td_struct *next_td_virt;
417 };
418 
419 /* Endpoint Transfer Descriptor bit Masks */
420 #define DTD_NEXT_TERMINATE 0x00000001
421 #define DTD_IOC 0x00008000
422 #define DTD_STATUS_ACTIVE 0x00000080
423 #define DTD_STATUS_HALTED 0x00000040
424 #define DTD_STATUS_DATA_BUFF_ERR 0x00000020
425 #define DTD_STATUS_TRANSACTION_ERR 0x00000008
426 #define DTD_RESERVED_FIELDS 0x80007300
427 #define DTD_ADDR_MASK 0xFFFFFFE0
428 #define DTD_PACKET_SIZE 0x7FFF0000
429 #define DTD_LENGTH_BIT_POS 16
430 #define DTD_ERROR_MASK (DTD_STATUS_HALTED | \
431  DTD_STATUS_DATA_BUFF_ERR | \
432  DTD_STATUS_TRANSACTION_ERR)
433 /* Alignment requirements; must be a power of two */
434 #define DTD_ALIGNMENT 0x20
435 #define QH_ALIGNMENT 2048
436 
437 /* Controller dma boundary */
438 #define UDC_DMA_BOUNDARY 0x1000
439 
440 /*-------------------------------------------------------------------------*/
441 
442 /* ### driver private data
443  */
444 struct fsl_req {
445  struct usb_request req;
446  struct list_head queue;
447  /* ep_queue() func will add
448  a request->queue into a udc_ep->queue 'd tail */
449  struct fsl_ep *ep;
450  unsigned mapped:1;
451 
452  struct ep_td_struct *head, *tail; /* For dTD List
453  cpu endian Virtual addr */
454  unsigned int dtd_count;
455 };
456 
457 #define REQ_UNCOMPLETE 1
458 
459 struct fsl_ep {
460  struct usb_ep ep;
461  struct list_head queue;
462  struct fsl_udc *udc;
463  struct ep_queue_head *qh;
464  struct usb_gadget *gadget;
465 
466  char name[14];
467  unsigned stopped:1;
468 };
469 
470 #define EP_DIR_IN 1
471 #define EP_DIR_OUT 0
472 
473 struct fsl_udc {
474  struct usb_gadget gadget;
475  struct usb_gadget_driver *driver;
476  struct fsl_usb2_platform_data *pdata;
477  struct completion *done; /* to make sure release() is done */
478  struct fsl_ep *eps;
479  unsigned int max_ep;
480  unsigned int irq;
481 
482  struct usb_ctrlrequest local_setup_buff;
483  spinlock_t lock;
484  struct usb_phy *transceiver;
485  unsigned softconnect:1;
486  unsigned vbus_active:1;
487  unsigned stopped:1;
488  unsigned remote_wakeup:1;
489  unsigned already_stopped:1;
490  unsigned big_endian_desc:1;
491 
492  struct ep_queue_head *ep_qh; /* Endpoints Queue-Head */
493  struct fsl_req *status_req; /* ep0 status request */
494  struct dma_pool *td_pool; /* dma pool for DTD */
495  enum fsl_usb2_phy_modes phy_mode;
496 
497  size_t ep_qh_size; /* size after alignment adjustment*/
498  dma_addr_t ep_qh_dma; /* dma address of QH */
499 
500  u32 max_pipes; /* Device max pipes */
501  u32 bus_reset; /* Device is bus resetting */
502  u32 resume_state; /* USB state to resume */
503  u32 usb_state; /* USB current state */
504  u32 ep0_state; /* Endpoint zero state */
505  u32 ep0_dir; /* Endpoint zero direction: can be
506  USB_DIR_IN or USB_DIR_OUT */
507  u8 device_address; /* Device USB address */
508 };
509 
510 /*-------------------------------------------------------------------------*/
511 
512 #ifdef DEBUG
513 #define DBG(fmt, args...) printk(KERN_DEBUG "[%s] " fmt "\n", \
514  __func__, ## args)
515 #else
516 #define DBG(fmt, args...) do{}while(0)
517 #endif
518 
519 #if 0
520 static void dump_msg(const char *label, const u8 * buf, unsigned int length)
521 {
522  unsigned int start, num, i;
523  char line[52], *p;
524 
525  if (length >= 512)
526  return;
527  DBG("%s, length %u:\n", label, length);
528  start = 0;
529  while (length > 0) {
530  num = min(length, 16u);
531  p = line;
532  for (i = 0; i < num; ++i) {
533  if (i == 8)
534  *p++ = ' ';
535  sprintf(p, " %02x", buf[i]);
536  p += 3;
537  }
538  *p = 0;
539  printk(KERN_DEBUG "%6x: %s\n", start, line);
540  buf += num;
541  start += num;
542  length -= num;
543  }
544 }
545 #endif
546 
547 #ifdef VERBOSE
548 #define VDBG DBG
549 #else
550 #define VDBG(stuff...) do{}while(0)
551 #endif
552 
553 #define ERR(stuff...) pr_err("udc: " stuff)
554 #define WARNING(stuff...) pr_warning("udc: " stuff)
555 #define INFO(stuff...) pr_info("udc: " stuff)
556 
557 /*-------------------------------------------------------------------------*/
558 
559 /* ### Add board specific defines here
560  */
561 
562 /*
563  * ### pipe direction macro from device view
564  */
565 #define USB_RECV 0 /* OUT EP */
566 #define USB_SEND 1 /* IN EP */
567 
568 /*
569  * ### internal used help routines.
570  */
571 #define ep_index(EP) ((EP)->ep.desc->bEndpointAddress&0xF)
572 #define ep_maxpacket(EP) ((EP)->ep.maxpacket)
573 #define ep_is_in(EP) ( (ep_index(EP) == 0) ? (EP->udc->ep0_dir == \
574  USB_DIR_IN) : ((EP)->ep.desc->bEndpointAddress \
575  & USB_DIR_IN)==USB_DIR_IN)
576 #define get_ep_by_pipe(udc, pipe) ((pipe == 1)? &udc->eps[0]: \
577  &udc->eps[pipe])
578 #define get_pipe_by_windex(windex) ((windex & USB_ENDPOINT_NUMBER_MASK) \
579  * 2 + ((windex & USB_DIR_IN) ? 1 : 0))
580 #define get_pipe_by_ep(EP) (ep_index(EP) * 2 + ep_is_in(EP))
581 
582 static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep)
583 {
584  /* we only have one ep0 structure but two queue heads */
585  if (ep_index(ep) != 0)
586  return ep->qh;
587  else
588  return &ep->udc->ep_qh[(ep->udc->ep0_dir ==
589  USB_DIR_IN) ? 1 : 0];
590 }
591 
592 struct platform_device;
593 #ifdef CONFIG_ARCH_MXC
594 int fsl_udc_clk_init(struct platform_device *pdev);
595 void fsl_udc_clk_finalize(struct platform_device *pdev);
596 void fsl_udc_clk_release(void);
597 #else
598 static inline int fsl_udc_clk_init(struct platform_device *pdev)
599 {
600  return 0;
601 }
602 static inline void fsl_udc_clk_finalize(struct platform_device *pdev)
603 {
604 }
605 static inline void fsl_udc_clk_release(void)
606 {
607 }
608 #endif
609 
610 #endif
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