1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2004,2012 Freescale Semiconductor, Inc
4 * All rights reserved.
5 *
6 * Freescale USB device/endpoint management registers
7 */
8 #ifndef __FSL_USB2_UDC_H
9 #define __FSL_USB2_UDC_H
10
11 #include <linux/usb/ch9.h>
12 #include <linux/usb/gadget.h>
13
14 /* ### define USB registers here
15 */
16 #define USB_MAX_CTRL_PAYLOAD 64
17 #define USB_DR_SYS_OFFSET 0x400
18
19 /* USB DR device mode registers (Little Endian) */
20 struct usb_dr_device {
21 /* Capability register */
22 u8 res1[256];
23 u16 caplength; /* Capability Register Length */
24 u16 hciversion; /* Host Controller Interface Version */
25 u32 hcsparams; /* Host Controller Structural Parameters */
26 u32 hccparams; /* Host Controller Capability Parameters */
27 u8 res2[20];
28 u32 dciversion; /* Device Controller Interface Version */
29 u32 dccparams; /* Device Controller Capability Parameters */
30 u8 res3[24];
31 /* Operation register */
32 u32 usbcmd; /* USB Command Register */
33 u32 usbsts; /* USB Status Register */
34 u32 usbintr; /* USB Interrupt Enable Register */
35 u32 frindex; /* Frame Index Register */
36 u8 res4[4];
37 u32 deviceaddr; /* Device Address */
38 u32 endpointlistaddr; /* Endpoint List Address Register */
39 u8 res5[4];
40 u32 burstsize; /* Master Interface Data Burst Size Register */
41 u32 txttfilltuning; /* Transmit FIFO Tuning Controls Register */
42 u8 res6[24];
43 u32 configflag; /* Configure Flag Register */
44 u32 portsc1; /* Port 1 Status and Control Register */
45 u8 res7[28];
46 u32 otgsc; /* On-The-Go Status and Control */
47 u32 usbmode; /* USB Mode Register */
48 u32 endptsetupstat; /* Endpoint Setup Status Register */
49 u32 endpointprime; /* Endpoint Initialization Register */
50 u32 endptflush; /* Endpoint Flush Register */
51 u32 endptstatus; /* Endpoint Status Register */
52 u32 endptcomplete; /* Endpoint Complete Register */
53 u32 endptctrl[6]; /* Endpoint Control Registers */
54 };
55
56 /* USB DR host mode registers (Little Endian) */
57 struct usb_dr_host {
58 /* Capability register */
59 u8 res1[256];
60 u16 caplength; /* Capability Register Length */
61 u16 hciversion; /* Host Controller Interface Version */
62 u32 hcsparams; /* Host Controller Structural Parameters */
63 u32 hccparams; /* Host Controller Capability Parameters */
64 u8 res2[20];
65 u32 dciversion; /* Device Controller Interface Version */
66 u32 dccparams; /* Device Controller Capability Parameters */
67 u8 res3[24];
68 /* Operation register */
69 u32 usbcmd; /* USB Command Register */
70 u32 usbsts; /* USB Status Register */
71 u32 usbintr; /* USB Interrupt Enable Register */
72 u32 frindex; /* Frame Index Register */
73 u8 res4[4];
74 u32 periodiclistbase; /* Periodic Frame List Base Address Register */
75 u32 asynclistaddr; /* Current Asynchronous List Address Register */
76 u8 res5[4];
77 u32 burstsize; /* Master Interface Data Burst Size Register */
78 u32 txttfilltuning; /* Transmit FIFO Tuning Controls Register */
79 u8 res6[24];
80 u32 configflag; /* Configure Flag Register */
81 u32 portsc1; /* Port 1 Status and Control Register */
82 u8 res7[28];
83 u32 otgsc; /* On-The-Go Status and Control */
84 u32 usbmode; /* USB Mode Register */
85 u32 endptsetupstat; /* Endpoint Setup Status Register */
86 u32 endpointprime; /* Endpoint Initialization Register */
87 u32 endptflush; /* Endpoint Flush Register */
88 u32 endptstatus; /* Endpoint Status Register */
89 u32 endptcomplete; /* Endpoint Complete Register */
90 u32 endptctrl[6]; /* Endpoint Control Registers */
91 };
92
93 /* non-EHCI USB system interface registers (Big Endian) */
94 struct usb_sys_interface {
95 u32 snoop1;
96 u32 snoop2;
97 u32 age_cnt_thresh; /* Age Count Threshold Register */
98 u32 pri_ctrl; /* Priority Control Register */
99 u32 si_ctrl; /* System Interface Control Register */
100 u8 res[236];
101 u32 control; /* General Purpose Control Register */
102 };
103
104 /* ep0 transfer state */
105 #define WAIT_FOR_SETUP 0
106 #define DATA_STATE_XMIT 1
107 #define DATA_STATE_NEED_ZLP 2
108 #define WAIT_FOR_OUT_STATUS 3
109 #define DATA_STATE_RECV 4
110
111 /* Device Controller Capability Parameter register */
112 #define DCCPARAMS_DC 0x00000080
113 #define DCCPARAMS_DEN_MASK 0x0000001f
114
115 /* Frame Index Register Bit Masks */
116 #define USB_FRINDEX_MASKS 0x3fff
117 /* USB CMD Register Bit Masks */
118 #define USB_CMD_RUN_STOP 0x00000001
119 #define USB_CMD_CTRL_RESET 0x00000002
120 #define USB_CMD_PERIODIC_SCHEDULE_EN 0x00000010
121 #define USB_CMD_ASYNC_SCHEDULE_EN 0x00000020
122 #define USB_CMD_INT_AA_DOORBELL 0x00000040
123 #define USB_CMD_ASP 0x00000300
124 #define USB_CMD_ASYNC_SCH_PARK_EN 0x00000800
125 #define USB_CMD_SUTW 0x00002000
126 #define USB_CMD_ATDTW 0x00004000
127 #define USB_CMD_ITC 0x00FF0000
128
129 /* bit 15,3,2 are frame list size */
130 #define USB_CMD_FRAME_SIZE_1024 0x00000000
131 #define USB_CMD_FRAME_SIZE_512 0x00000004
132 #define USB_CMD_FRAME_SIZE_256 0x00000008
133 #define USB_CMD_FRAME_SIZE_128 0x0000000C
134 #define USB_CMD_FRAME_SIZE_64 0x00008000
135 #define USB_CMD_FRAME_SIZE_32 0x00008004
136 #define USB_CMD_FRAME_SIZE_16 0x00008008
137 #define USB_CMD_FRAME_SIZE_8 0x0000800C
138
139 /* bit 9-8 are async schedule park mode count */
140 #define USB_CMD_ASP_00 0x00000000
141 #define USB_CMD_ASP_01 0x00000100
142 #define USB_CMD_ASP_10 0x00000200
143 #define USB_CMD_ASP_11 0x00000300
144 #define USB_CMD_ASP_BIT_POS 8
145
146 /* bit 23-16 are interrupt threshold control */
147 #define USB_CMD_ITC_NO_THRESHOLD 0x00000000
148 #define USB_CMD_ITC_1_MICRO_FRM 0x00010000
149 #define USB_CMD_ITC_2_MICRO_FRM 0x00020000
150 #define USB_CMD_ITC_4_MICRO_FRM 0x00040000
151 #define USB_CMD_ITC_8_MICRO_FRM 0x00080000
152 #define USB_CMD_ITC_16_MICRO_FRM 0x00100000
153 #define USB_CMD_ITC_32_MICRO_FRM 0x00200000
154 #define USB_CMD_ITC_64_MICRO_FRM 0x00400000
155 #define USB_CMD_ITC_BIT_POS 16
156
157 /* USB STS Register Bit Masks */
158 #define USB_STS_INT 0x00000001
159 #define USB_STS_ERR 0x00000002
160 #define USB_STS_PORT_CHANGE 0x00000004
161 #define USB_STS_FRM_LST_ROLL 0x00000008
162 #define USB_STS_SYS_ERR 0x00000010
163 #define USB_STS_IAA 0x00000020
164 #define USB_STS_RESET 0x00000040
165 #define USB_STS_SOF 0x00000080
166 #define USB_STS_SUSPEND 0x00000100
167 #define USB_STS_HC_HALTED 0x00001000
168 #define USB_STS_RCL 0x00002000
169 #define USB_STS_PERIODIC_SCHEDULE 0x00004000
170 #define USB_STS_ASYNC_SCHEDULE 0x00008000
171
172 /* USB INTR Register Bit Masks */
173 #define USB_INTR_INT_EN 0x00000001
174 #define USB_INTR_ERR_INT_EN 0x00000002
175 #define USB_INTR_PTC_DETECT_EN 0x00000004
176 #define USB_INTR_FRM_LST_ROLL_EN 0x00000008
177 #define USB_INTR_SYS_ERR_EN 0x00000010
178 #define USB_INTR_ASYN_ADV_EN 0x00000020
179 #define USB_INTR_RESET_EN 0x00000040
180 #define USB_INTR_SOF_EN 0x00000080
181 #define USB_INTR_DEVICE_SUSPEND 0x00000100
182
183 /* Device Address bit masks */
184 #define USB_DEVICE_ADDRESS_MASK 0xFE000000
185 #define USB_DEVICE_ADDRESS_BIT_POS 25
186
187 /* endpoint list address bit masks */
188 #define USB_EP_LIST_ADDRESS_MASK 0xfffff800
189
190 /* PORTSCX Register Bit Masks */
191 #define PORTSCX_CURRENT_CONNECT_STATUS 0x00000001
192 #define PORTSCX_CONNECT_STATUS_CHANGE 0x00000002
193 #define PORTSCX_PORT_ENABLE 0x00000004
194 #define PORTSCX_PORT_EN_DIS_CHANGE 0x00000008
195 #define PORTSCX_OVER_CURRENT_ACT 0x00000010
196 #define PORTSCX_OVER_CURRENT_CHG 0x00000020
197 #define PORTSCX_PORT_FORCE_RESUME 0x00000040
198 #define PORTSCX_PORT_SUSPEND 0x00000080
199 #define PORTSCX_PORT_RESET 0x00000100
200 #define PORTSCX_LINE_STATUS_BITS 0x00000C00
201 #define PORTSCX_PORT_POWER 0x00001000
202 #define PORTSCX_PORT_INDICTOR_CTRL 0x0000C000
203 #define PORTSCX_PORT_TEST_CTRL 0x000F0000
204 #define PORTSCX_WAKE_ON_CONNECT_EN 0x00100000
205 #define PORTSCX_WAKE_ON_CONNECT_DIS 0x00200000
206 #define PORTSCX_WAKE_ON_OVER_CURRENT 0x00400000
207 #define PORTSCX_PHY_LOW_POWER_SPD 0x00800000
208 #define PORTSCX_PORT_FORCE_FULL_SPEED 0x01000000
209 #define PORTSCX_PORT_SPEED_MASK 0x0C000000
210 #define PORTSCX_PORT_WIDTH 0x10000000
211 #define PORTSCX_PHY_TYPE_SEL 0xC0000000
212
213 /* bit 11-10 are line status */
214 #define PORTSCX_LINE_STATUS_SE0 0x00000000
215 #define PORTSCX_LINE_STATUS_JSTATE 0x00000400
216 #define PORTSCX_LINE_STATUS_KSTATE 0x00000800
217 #define PORTSCX_LINE_STATUS_UNDEF 0x00000C00
218 #define PORTSCX_LINE_STATUS_BIT_POS 10
219
220 /* bit 15-14 are port indicator control */
221 #define PORTSCX_PIC_OFF 0x00000000
222 #define PORTSCX_PIC_AMBER 0x00004000
223 #define PORTSCX_PIC_GREEN 0x00008000
224 #define PORTSCX_PIC_UNDEF 0x0000C000
225 #define PORTSCX_PIC_BIT_POS 14
226
227 /* bit 19-16 are port test control */
228 #define PORTSCX_PTC_DISABLE 0x00000000
229 #define PORTSCX_PTC_JSTATE 0x00010000
230 #define PORTSCX_PTC_KSTATE 0x00020000
231 #define PORTSCX_PTC_SEQNAK 0x00030000
232 #define PORTSCX_PTC_PACKET 0x00040000
233 #define PORTSCX_PTC_FORCE_EN 0x00050000
234 #define PORTSCX_PTC_BIT_POS 16
235
236 /* bit 27-26 are port speed */
237 #define PORTSCX_PORT_SPEED_FULL 0x00000000
238 #define PORTSCX_PORT_SPEED_LOW 0x04000000
239 #define PORTSCX_PORT_SPEED_HIGH 0x08000000
240 #define PORTSCX_PORT_SPEED_UNDEF 0x0C000000
241 #define PORTSCX_SPEED_BIT_POS 26
242
243 /* bit 28 is parallel transceiver width for UTMI interface */
244 #define PORTSCX_PTW 0x10000000
245 #define PORTSCX_PTW_8BIT 0x00000000
246 #define PORTSCX_PTW_16BIT 0x10000000
247
248 /* bit 31-30 are port transceiver select */
249 #define PORTSCX_PTS_UTMI 0x00000000
250 #define PORTSCX_PTS_ULPI 0x80000000
251 #define PORTSCX_PTS_FSLS 0xC0000000
252 #define PORTSCX_PTS_BIT_POS 30
253
254 /* otgsc Register Bit Masks */
255 #define OTGSC_CTRL_VUSB_DISCHARGE 0x00000001
256 #define OTGSC_CTRL_VUSB_CHARGE 0x00000002
257 #define OTGSC_CTRL_OTG_TERM 0x00000008
258 #define OTGSC_CTRL_DATA_PULSING 0x00000010
259 #define OTGSC_STS_USB_ID 0x00000100
260 #define OTGSC_STS_A_VBUS_VALID 0x00000200
261 #define OTGSC_STS_A_SESSION_VALID 0x00000400
262 #define OTGSC_STS_B_SESSION_VALID 0x00000800
263 #define OTGSC_STS_B_SESSION_END 0x00001000
264 #define OTGSC_STS_1MS_TOGGLE 0x00002000
265 #define OTGSC_STS_DATA_PULSING 0x00004000
266 #define OTGSC_INTSTS_USB_ID 0x00010000
267 #define OTGSC_INTSTS_A_VBUS_VALID 0x00020000
268 #define OTGSC_INTSTS_A_SESSION_VALID 0x00040000
269 #define OTGSC_INTSTS_B_SESSION_VALID 0x00080000
270 #define OTGSC_INTSTS_B_SESSION_END 0x00100000
271 #define OTGSC_INTSTS_1MS 0x00200000
272 #define OTGSC_INTSTS_DATA_PULSING 0x00400000
273 #define OTGSC_INTR_USB_ID 0x01000000
274 #define OTGSC_INTR_A_VBUS_VALID 0x02000000
275 #define OTGSC_INTR_A_SESSION_VALID 0x04000000
276 #define OTGSC_INTR_B_SESSION_VALID 0x08000000
277 #define OTGSC_INTR_B_SESSION_END 0x10000000
278 #define OTGSC_INTR_1MS_TIMER 0x20000000
279 #define OTGSC_INTR_DATA_PULSING 0x40000000
280
281 /* USB MODE Register Bit Masks */
282 #define USB_MODE_CTRL_MODE_IDLE 0x00000000
283 #define USB_MODE_CTRL_MODE_DEVICE 0x00000002
284 #define USB_MODE_CTRL_MODE_HOST 0x00000003
285 #define USB_MODE_CTRL_MODE_MASK 0x00000003
286 #define USB_MODE_CTRL_MODE_RSV 0x00000001
287 #define USB_MODE_ES 0x00000004 /* Endian Select */
288 #define USB_MODE_SETUP_LOCK_OFF 0x00000008
289 #define USB_MODE_STREAM_DISABLE 0x00000010
290 /* Endpoint Flush Register */
291 #define EPFLUSH_TX_OFFSET 0x00010000
292 #define EPFLUSH_RX_OFFSET 0x00000000
293
294 /* Endpoint Setup Status bit masks */
295 #define EP_SETUP_STATUS_MASK 0x0000003F
296 #define EP_SETUP_STATUS_EP0 0x00000001
297
298 /* ENDPOINTCTRLx Register Bit Masks */
299 #define EPCTRL_TX_ENABLE 0x00800000
300 #define EPCTRL_TX_DATA_TOGGLE_RST 0x00400000 /* Not EP0 */
301 #define EPCTRL_TX_DATA_TOGGLE_INH 0x00200000 /* Not EP0 */
302 #define EPCTRL_TX_TYPE 0x000C0000
303 #define EPCTRL_TX_DATA_SOURCE 0x00020000 /* Not EP0 */
304 #define EPCTRL_TX_EP_STALL 0x00010000
305 #define EPCTRL_RX_ENABLE 0x00000080
306 #define EPCTRL_RX_DATA_TOGGLE_RST 0x00000040 /* Not EP0 */
307 #define EPCTRL_RX_DATA_TOGGLE_INH 0x00000020 /* Not EP0 */
308 #define EPCTRL_RX_TYPE 0x0000000C
309 #define EPCTRL_RX_DATA_SINK 0x00000002 /* Not EP0 */
310 #define EPCTRL_RX_EP_STALL 0x00000001
311
312 /* bit 19-18 and 3-2 are endpoint type */
313 #define EPCTRL_EP_TYPE_CONTROL 0
314 #define EPCTRL_EP_TYPE_ISO 1
315 #define EPCTRL_EP_TYPE_BULK 2
316 #define EPCTRL_EP_TYPE_INTERRUPT 3
317 #define EPCTRL_TX_EP_TYPE_SHIFT 18
318 #define EPCTRL_RX_EP_TYPE_SHIFT 2
319
320 /* SNOOPn Register Bit Masks */
321 #define SNOOP_ADDRESS_MASK 0xFFFFF000
322 #define SNOOP_SIZE_ZERO 0x00 /* snooping disable */
323 #define SNOOP_SIZE_4KB 0x0B /* 4KB snoop size */
324 #define SNOOP_SIZE_8KB 0x0C
325 #define SNOOP_SIZE_16KB 0x0D
326 #define SNOOP_SIZE_32KB 0x0E
327 #define SNOOP_SIZE_64KB 0x0F
328 #define SNOOP_SIZE_128KB 0x10
329 #define SNOOP_SIZE_256KB 0x11
330 #define SNOOP_SIZE_512KB 0x12
331 #define SNOOP_SIZE_1MB 0x13
332 #define SNOOP_SIZE_2MB 0x14
333 #define SNOOP_SIZE_4MB 0x15
334 #define SNOOP_SIZE_8MB 0x16
335 #define SNOOP_SIZE_16MB 0x17
336 #define SNOOP_SIZE_32MB 0x18
337 #define SNOOP_SIZE_64MB 0x19
338 #define SNOOP_SIZE_128MB 0x1A
339 #define SNOOP_SIZE_256MB 0x1B
340 #define SNOOP_SIZE_512MB 0x1C
341 #define SNOOP_SIZE_1GB 0x1D
342 #define SNOOP_SIZE_2GB 0x1E /* 2GB snoop size */
343
344 /* pri_ctrl Register Bit Masks */
345 #define PRI_CTRL_PRI_LVL1 0x0000000C
346 #define PRI_CTRL_PRI_LVL0 0x00000003
347
348 /* si_ctrl Register Bit Masks */
349 #define SI_CTRL_ERR_DISABLE 0x00000010
350 #define SI_CTRL_IDRC_DISABLE 0x00000008
351 #define SI_CTRL_RD_SAFE_EN 0x00000004
352 #define SI_CTRL_RD_PREFETCH_DISABLE 0x00000002
353 #define SI_CTRL_RD_PREFEFETCH_VAL 0x00000001
354
355 /* control Register Bit Masks */
356 #define USB_CTRL_IOENB 0x00000004
357 #define USB_CTRL_ULPI_INT0EN 0x00000001
358 #define USB_CTRL_UTMI_PHY_EN 0x00000200
359 #define USB_CTRL_USB_EN 0x00000004
360 #define USB_CTRL_ULPI_PHY_CLK_SEL 0x00000400
361
362 /* Endpoint Queue Head data struct
363 * Rem: all the variables of qh are LittleEndian Mode
364 * and NEXT_POINTER_MASK should operate on a LittleEndian, Phy Addr
365 */
366 struct ep_queue_head {
367 u32 max_pkt_length; /* Mult(31-30) , Zlt(29) , Max Pkt len
368 and IOS(15) */
369 u32 curr_dtd_ptr; /* Current dTD Pointer(31-5) */
370 u32 next_dtd_ptr; /* Next dTD Pointer(31-5), T(0) */
371 u32 size_ioc_int_sts; /* Total bytes (30-16), IOC (15),
372 MultO(11-10), STS (7-0) */
373 u32 buff_ptr0; /* Buffer pointer Page 0 (31-12) */
374 u32 buff_ptr1; /* Buffer pointer Page 1 (31-12) */
375 u32 buff_ptr2; /* Buffer pointer Page 2 (31-12) */
376 u32 buff_ptr3; /* Buffer pointer Page 3 (31-12) */
377 u32 buff_ptr4; /* Buffer pointer Page 4 (31-12) */
378 u32 res1;
379 u8 setup_buffer[8]; /* Setup data 8 bytes */
380 u32 res2[4];
381 };
382
383 /* Endpoint Queue Head Bit Masks */
384 #define EP_QUEUE_HEAD_MULT_POS 30
385 #define EP_QUEUE_HEAD_ZLT_SEL 0x20000000
386 #define EP_QUEUE_HEAD_MAX_PKT_LEN_POS 16
387 #define EP_QUEUE_HEAD_MAX_PKT_LEN(ep_info) (((ep_info)>>16)&0x07ff)
388 #define EP_QUEUE_HEAD_IOS 0x00008000
389 #define EP_QUEUE_HEAD_NEXT_TERMINATE 0x00000001
390 #define EP_QUEUE_HEAD_IOC 0x00008000
391 #define EP_QUEUE_HEAD_MULTO 0x00000C00
392 #define EP_QUEUE_HEAD_STATUS_HALT 0x00000040
393 #define EP_QUEUE_HEAD_STATUS_ACTIVE 0x00000080
394 #define EP_QUEUE_CURRENT_OFFSET_MASK 0x00000FFF
395 #define EP_QUEUE_HEAD_NEXT_POINTER_MASK 0xFFFFFFE0
396 #define EP_QUEUE_FRINDEX_MASK 0x000007FF
397 #define EP_MAX_LENGTH_TRANSFER 0x4000
398
399 /* Endpoint Transfer Descriptor data struct */
400 /* Rem: all the variables of td are LittleEndian Mode */
401 struct ep_td_struct {
402 u32 next_td_ptr; /* Next TD pointer(31-5), T(0) set
403 indicate invalid */
404 u32 size_ioc_sts; /* Total bytes (30-16), IOC (15),
405 MultO(11-10), STS (7-0) */
406 u32 buff_ptr0; /* Buffer pointer Page 0 */
407 u32 buff_ptr1; /* Buffer pointer Page 1 */
408 u32 buff_ptr2; /* Buffer pointer Page 2 */
409 u32 buff_ptr3; /* Buffer pointer Page 3 */
410 u32 buff_ptr4; /* Buffer pointer Page 4 */
411 u32 res;
412 /* 32 bytes */
413 dma_addr_t td_dma; /* dma address for this td */
414 /* virtual address of next td specified in next_td_ptr */
415 struct ep_td_struct *next_td_virt;
416 };
417
418 /* Endpoint Transfer Descriptor bit Masks */
419 #define DTD_NEXT_TERMINATE 0x00000001
420 #define DTD_IOC 0x00008000
421 #define DTD_STATUS_ACTIVE 0x00000080
422 #define DTD_STATUS_HALTED 0x00000040
423 #define DTD_STATUS_DATA_BUFF_ERR 0x00000020
424 #define DTD_STATUS_TRANSACTION_ERR 0x00000008
425 #define DTD_RESERVED_FIELDS 0x80007300
426 #define DTD_ADDR_MASK 0xFFFFFFE0
427 #define DTD_PACKET_SIZE 0x7FFF0000
428 #define DTD_LENGTH_BIT_POS 16
429 #define DTD_ERROR_MASK (DTD_STATUS_HALTED | \
430 DTD_STATUS_DATA_BUFF_ERR | \
431 DTD_STATUS_TRANSACTION_ERR)
432 /* Alignment requirements; must be a power of two */
433 #define DTD_ALIGNMENT 0x20
434 #define QH_ALIGNMENT 2048
435
436 /* Controller dma boundary */
437 #define UDC_DMA_BOUNDARY 0x1000
438
439 /*-------------------------------------------------------------------------*/
440
441 /* ### driver private data
442 */
443 struct fsl_req {
444 struct usb_request req;
445 struct list_head queue;
446 /* ep_queue() func will add
447 a request->queue into a udc_ep->queue 'd tail */
448 struct fsl_ep *ep;
449 unsigned mapped:1;
450
451 struct ep_td_struct *head, *tail; /* For dTD List
452 cpu endian Virtual addr */
453 unsigned int dtd_count;
454 };
455
456 #define REQ_UNCOMPLETE 1
457
458 struct fsl_ep {
459 struct usb_ep ep;
460 struct list_head queue;
461 struct fsl_udc *udc;
462 struct ep_queue_head *qh;
463 struct usb_gadget *gadget;
464
465 char name[14];
466 unsigned stopped:1;
467 };
468
469 #define EP_DIR_IN 1
470 #define EP_DIR_OUT 0
471
472 struct fsl_udc {
473 struct usb_gadget gadget;
474 struct usb_gadget_driver *driver;
475 struct fsl_usb2_platform_data *pdata;
476 struct completion *done; /* to make sure release() is done */
477 struct fsl_ep *eps;
478 unsigned int max_ep;
479 unsigned int irq;
480
481 struct usb_ctrlrequest local_setup_buff;
482 spinlock_t lock;
483 struct usb_phy *transceiver;
484 unsigned softconnect:1;
485 unsigned vbus_active:1;
486 unsigned stopped:1;
487 unsigned remote_wakeup:1;
488 unsigned already_stopped:1;
489 unsigned big_endian_desc:1;
490
491 struct ep_queue_head *ep_qh; /* Endpoints Queue-Head */
492 struct fsl_req *status_req; /* ep0 status request */
493 struct dma_pool *td_pool; /* dma pool for DTD */
494 enum fsl_usb2_phy_modes phy_mode;
495
496 size_t ep_qh_size; /* size after alignment adjustment*/
497 dma_addr_t ep_qh_dma; /* dma address of QH */
498
499 u32 max_pipes; /* Device max pipes */
500 u32 bus_reset; /* Device is bus resetting */
501 u32 resume_state; /* USB state to resume */
502 u32 usb_state; /* USB current state */
503 u32 ep0_state; /* Endpoint zero state */
504 u32 ep0_dir; /* Endpoint zero direction: can be
505 USB_DIR_IN or USB_DIR_OUT */
506 u8 device_address; /* Device USB address */
507 };
508
509 /*-------------------------------------------------------------------------*/
510
511 #ifdef DEBUG
512 #define DBG(fmt, args...) printk(KERN_DEBUG "[%s] " fmt "\n", \
513 __func__, ## args)
514 #else
515 #define DBG(fmt, args...) do{}while(0)
516 #endif
517
518 #if 0
519 static void dump_msg(const char *label, const u8 * buf, unsigned int length)
520 {
521 unsigned int start, num, i;
522 char line[52], *p;
523
524 if (length >= 512)
525 return;
526 DBG("%s, length %u:\n", label, length);
527 start = 0;
528 while (length > 0) {
529 num = min(length, 16u);
530 p = line;
531 for (i = 0; i < num; ++i) {
532 if (i == 8)
533 *p++ = ' ';
534 sprintf(p, " %02x", buf[i]);
535 p += 3;
536 }
537 *p = 0;
538 printk(KERN_DEBUG "%6x: %s\n", start, line);
539 buf += num;
540 start += num;
541 length -= num;
542 }
543 }
544 #endif
545
546 #ifdef VERBOSE
547 #define VDBG DBG
548 #else
549 #define VDBG(stuff...) do{}while(0)
550 #endif
551
552 #define ERR(stuff...) pr_err("udc: " stuff)
553 #define WARNING(stuff...) pr_warn("udc: " stuff)
554 #define INFO(stuff...) pr_info("udc: " stuff)
555
556 /*-------------------------------------------------------------------------*/
557
558 /* ### Add board specific defines here
559 */
560
561 /*
562 * ### pipe direction macro from device view
563 */
564 #define USB_RECV 0 /* OUT EP */
565 #define USB_SEND 1 /* IN EP */
566
567 /*
568 * ### internal used help routines.
569 */
570 #define ep_index(EP) ((EP)->ep.desc->bEndpointAddress&0xF)
571 #define ep_maxpacket(EP) ((EP)->ep.maxpacket)
572 #define ep_is_in(EP) ( (ep_index(EP) == 0) ? (EP->udc->ep0_dir == \
573 USB_DIR_IN) : ((EP)->ep.desc->bEndpointAddress \
574 & USB_DIR_IN)==USB_DIR_IN)
575 #define get_ep_by_pipe(udc, pipe) ((pipe == 1)? &udc->eps[0]: \
576 &udc->eps[pipe])
577 #define get_pipe_by_windex(windex) ((windex & USB_ENDPOINT_NUMBER_MASK) \
578 * 2 + ((windex & USB_DIR_IN) ? 1 : 0))
579 #define get_pipe_by_ep(EP) (ep_index(EP) * 2 + ep_is_in(EP))
580
get_qh_by_ep(struct fsl_ep * ep)581 static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep)
582 {
583 /* we only have one ep0 structure but two queue heads */
584 if (ep_index(ep) != 0)
585 return ep->qh;
586 else
587 return &ep->udc->ep_qh[(ep->udc->ep0_dir ==
588 USB_DIR_IN) ? 1 : 0];
589 }
590
591 #endif
592