tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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) */
21struct 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) */
58struct 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) */
95struct 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 */
367struct 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 */
402struct 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 */
444struct 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
459struct 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
473struct 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
520static 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
582static 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
592struct platform_device;
593#ifdef CONFIG_ARCH_MXC
594int fsl_udc_clk_init(struct platform_device *pdev);
595int fsl_udc_clk_finalize(struct platform_device *pdev);
596void fsl_udc_clk_release(void);
597#else
598static inline int fsl_udc_clk_init(struct platform_device *pdev)
599{
600 return 0;
601}
602static inline int fsl_udc_clk_finalize(struct platform_device *pdev)
603{
604 return 0;
605}
606static inline void fsl_udc_clk_release(void)
607{
608}
609#endif
610
611#endif