1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * NetChip 2280 high/full speed USB device controller.
4  * Unlike many such controllers, this one talks PCI.
5  *
6  * Copyright (C) 2002 NetChip Technology, Inc. (http://www.netchip.com)
7  * Copyright (C) 2003 David Brownell
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
22  */
23 
24 #ifndef __LINUX_USB_NET2280_H
25 #define __LINUX_USB_NET2280_H
26 
27 /*-------------------------------------------------------------------------*/
28 
29 /* NET2280 MEMORY MAPPED REGISTERS
30  *
31  * The register layout came from the chip documentation, and the bit
32  * number definitions were extracted from chip specification.
33  *
34  * Use the shift operator ('<<') to build bit masks, with readl/writel
35  * to access the registers through PCI.
36  */
37 
38 /* main registers, BAR0 + 0x0000 */
39 struct net2280_regs {
40 	/* offset 0x0000 */
41 	u32		devinit;
42 #define     LOCAL_CLOCK_FREQUENCY                               8
43 #define     FORCE_PCI_RESET                                     7
44 #define     PCI_ID                                              6
45 #define     PCI_ENABLE                                          5
46 #define     FIFO_SOFT_RESET                                     4
47 #define     CFG_SOFT_RESET                                      3
48 #define     PCI_SOFT_RESET                                      2
49 #define     USB_SOFT_RESET                                      1
50 #define     M8051_RESET                                         0
51 	u32		eectl;
52 #define     EEPROM_ADDRESS_WIDTH                                23
53 #define     EEPROM_CHIP_SELECT_ACTIVE                           22
54 #define     EEPROM_PRESENT                                      21
55 #define     EEPROM_VALID                                        20
56 #define     EEPROM_BUSY                                         19
57 #define     EEPROM_CHIP_SELECT_ENABLE                           18
58 #define     EEPROM_BYTE_READ_START                              17
59 #define     EEPROM_BYTE_WRITE_START                             16
60 #define     EEPROM_READ_DATA                                    8
61 #define     EEPROM_WRITE_DATA                                   0
62 	u32		eeclkfreq;
63 	u32		_unused0;
64 	/* offset 0x0010 */
65 
66 	u32		pciirqenb0;		/* interrupt PCI master ... */
67 #define     SETUP_PACKET_INTERRUPT_ENABLE                       7
68 #define     ENDPOINT_F_INTERRUPT_ENABLE                         6
69 #define     ENDPOINT_E_INTERRUPT_ENABLE                         5
70 #define     ENDPOINT_D_INTERRUPT_ENABLE                         4
71 #define     ENDPOINT_C_INTERRUPT_ENABLE                         3
72 #define     ENDPOINT_B_INTERRUPT_ENABLE                         2
73 #define     ENDPOINT_A_INTERRUPT_ENABLE                         1
74 #define     ENDPOINT_0_INTERRUPT_ENABLE                         0
75 	u32		pciirqenb1;
76 #define     PCI_INTERRUPT_ENABLE                                31
77 #define     POWER_STATE_CHANGE_INTERRUPT_ENABLE                 27
78 #define     PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE                26
79 #define     PCI_PARITY_ERROR_INTERRUPT_ENABLE                   25
80 #define     PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE          20
81 #define     PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE          19
82 #define     PCI_TARGET_ABORT_ASSERTED_INTERRUPT_ENABLE          18
83 #define     PCI_RETRY_ABORT_INTERRUPT_ENABLE                    17
84 #define     PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE              16
85 #define     GPIO_INTERRUPT_ENABLE                               13
86 #define     DMA_D_INTERRUPT_ENABLE                              12
87 #define     DMA_C_INTERRUPT_ENABLE                              11
88 #define     DMA_B_INTERRUPT_ENABLE                              10
89 #define     DMA_A_INTERRUPT_ENABLE                              9
90 #define     EEPROM_DONE_INTERRUPT_ENABLE                        8
91 #define     VBUS_INTERRUPT_ENABLE                               7
92 #define     CONTROL_STATUS_INTERRUPT_ENABLE                     6
93 #define     ROOT_PORT_RESET_INTERRUPT_ENABLE                    4
94 #define     SUSPEND_REQUEST_INTERRUPT_ENABLE                    3
95 #define     SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE             2
96 #define     RESUME_INTERRUPT_ENABLE                             1
97 #define     SOF_INTERRUPT_ENABLE                                0
98 	u32		cpu_irqenb0;		/* ... or onboard 8051 */
99 #define     SETUP_PACKET_INTERRUPT_ENABLE                       7
100 #define     ENDPOINT_F_INTERRUPT_ENABLE                         6
101 #define     ENDPOINT_E_INTERRUPT_ENABLE                         5
102 #define     ENDPOINT_D_INTERRUPT_ENABLE                         4
103 #define     ENDPOINT_C_INTERRUPT_ENABLE                         3
104 #define     ENDPOINT_B_INTERRUPT_ENABLE                         2
105 #define     ENDPOINT_A_INTERRUPT_ENABLE                         1
106 #define     ENDPOINT_0_INTERRUPT_ENABLE                         0
107 	u32		cpu_irqenb1;
108 #define     CPU_INTERRUPT_ENABLE                                31
109 #define     POWER_STATE_CHANGE_INTERRUPT_ENABLE                 27
110 #define     PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE                26
111 #define     PCI_PARITY_ERROR_INTERRUPT_ENABLE                   25
112 #define     PCI_INTA_INTERRUPT_ENABLE                           24
113 #define     PCI_PME_INTERRUPT_ENABLE                            23
114 #define     PCI_SERR_INTERRUPT_ENABLE                           22
115 #define     PCI_PERR_INTERRUPT_ENABLE                           21
116 #define     PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE          20
117 #define     PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE          19
118 #define     PCI_RETRY_ABORT_INTERRUPT_ENABLE                    17
119 #define     PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE              16
120 #define     GPIO_INTERRUPT_ENABLE                               13
121 #define     DMA_D_INTERRUPT_ENABLE                              12
122 #define     DMA_C_INTERRUPT_ENABLE                              11
123 #define     DMA_B_INTERRUPT_ENABLE                              10
124 #define     DMA_A_INTERRUPT_ENABLE                              9
125 #define     EEPROM_DONE_INTERRUPT_ENABLE                        8
126 #define     VBUS_INTERRUPT_ENABLE                               7
127 #define     CONTROL_STATUS_INTERRUPT_ENABLE                     6
128 #define     ROOT_PORT_RESET_INTERRUPT_ENABLE                    4
129 #define     SUSPEND_REQUEST_INTERRUPT_ENABLE                    3
130 #define     SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE             2
131 #define     RESUME_INTERRUPT_ENABLE                             1
132 #define     SOF_INTERRUPT_ENABLE                                0
133 
134 	/* offset 0x0020 */
135 	u32		_unused1;
136 	u32		usbirqenb1;
137 #define     USB_INTERRUPT_ENABLE                                31
138 #define     POWER_STATE_CHANGE_INTERRUPT_ENABLE                 27
139 #define     PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE                26
140 #define     PCI_PARITY_ERROR_INTERRUPT_ENABLE                   25
141 #define     PCI_INTA_INTERRUPT_ENABLE                           24
142 #define     PCI_PME_INTERRUPT_ENABLE                            23
143 #define     PCI_SERR_INTERRUPT_ENABLE                           22
144 #define     PCI_PERR_INTERRUPT_ENABLE                           21
145 #define     PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE          20
146 #define     PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE          19
147 #define     PCI_RETRY_ABORT_INTERRUPT_ENABLE                    17
148 #define     PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE              16
149 #define     GPIO_INTERRUPT_ENABLE                               13
150 #define     DMA_D_INTERRUPT_ENABLE                              12
151 #define     DMA_C_INTERRUPT_ENABLE                              11
152 #define     DMA_B_INTERRUPT_ENABLE                              10
153 #define     DMA_A_INTERRUPT_ENABLE                              9
154 #define     EEPROM_DONE_INTERRUPT_ENABLE                        8
155 #define     VBUS_INTERRUPT_ENABLE                               7
156 #define     CONTROL_STATUS_INTERRUPT_ENABLE                     6
157 #define     ROOT_PORT_RESET_INTERRUPT_ENABLE                    4
158 #define     SUSPEND_REQUEST_INTERRUPT_ENABLE                    3
159 #define     SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE             2
160 #define     RESUME_INTERRUPT_ENABLE                             1
161 #define     SOF_INTERRUPT_ENABLE                                0
162 	u32		irqstat0;
163 #define     INTA_ASSERTED                                       12
164 #define     SETUP_PACKET_INTERRUPT                              7
165 #define     ENDPOINT_F_INTERRUPT                                6
166 #define     ENDPOINT_E_INTERRUPT                                5
167 #define     ENDPOINT_D_INTERRUPT                                4
168 #define     ENDPOINT_C_INTERRUPT                                3
169 #define     ENDPOINT_B_INTERRUPT                                2
170 #define     ENDPOINT_A_INTERRUPT                                1
171 #define     ENDPOINT_0_INTERRUPT                                0
172 #define     USB3380_IRQSTAT0_EP_INTR_MASK_IN (0xF << 17)
173 #define     USB3380_IRQSTAT0_EP_INTR_MASK_OUT (0xF << 1)
174 
175 	u32		irqstat1;
176 #define     POWER_STATE_CHANGE_INTERRUPT                        27
177 #define     PCI_ARBITER_TIMEOUT_INTERRUPT                       26
178 #define     PCI_PARITY_ERROR_INTERRUPT                          25
179 #define     PCI_INTA_INTERRUPT                                  24
180 #define     PCI_PME_INTERRUPT                                   23
181 #define     PCI_SERR_INTERRUPT                                  22
182 #define     PCI_PERR_INTERRUPT                                  21
183 #define     PCI_MASTER_ABORT_RECEIVED_INTERRUPT                 20
184 #define     PCI_TARGET_ABORT_RECEIVED_INTERRUPT                 19
185 #define     PCI_RETRY_ABORT_INTERRUPT                           17
186 #define     PCI_MASTER_CYCLE_DONE_INTERRUPT                     16
187 #define     SOF_DOWN_INTERRUPT                                  14
188 #define     GPIO_INTERRUPT                                      13
189 #define     DMA_D_INTERRUPT                                     12
190 #define     DMA_C_INTERRUPT                                     11
191 #define     DMA_B_INTERRUPT                                     10
192 #define     DMA_A_INTERRUPT                                     9
193 #define     EEPROM_DONE_INTERRUPT                               8
194 #define     VBUS_INTERRUPT                                      7
195 #define     CONTROL_STATUS_INTERRUPT                            6
196 #define     ROOT_PORT_RESET_INTERRUPT                           4
197 #define     SUSPEND_REQUEST_INTERRUPT                           3
198 #define     SUSPEND_REQUEST_CHANGE_INTERRUPT                    2
199 #define     RESUME_INTERRUPT                                    1
200 #define     SOF_INTERRUPT                                       0
201 	/* offset 0x0030 */
202 	u32		idxaddr;
203 	u32		idxdata;
204 	u32		fifoctl;
205 #define     PCI_BASE2_RANGE                                     16
206 #define     IGNORE_FIFO_AVAILABILITY                            3
207 #define     PCI_BASE2_SELECT                                    2
208 #define     FIFO_CONFIGURATION_SELECT                           0
209 	u32		_unused2;
210 	/* offset 0x0040 */
211 	u32		memaddr;
212 #define     START                                               28
213 #define     DIRECTION                                           27
214 #define     FIFO_DIAGNOSTIC_SELECT                              24
215 #define     MEMORY_ADDRESS                                      0
216 	u32		memdata0;
217 	u32		memdata1;
218 	u32		_unused3;
219 	/* offset 0x0050 */
220 	u32		gpioctl;
221 #define     GPIO3_LED_SELECT                                    12
222 #define     GPIO3_INTERRUPT_ENABLE                              11
223 #define     GPIO2_INTERRUPT_ENABLE                              10
224 #define     GPIO1_INTERRUPT_ENABLE                              9
225 #define     GPIO0_INTERRUPT_ENABLE                              8
226 #define     GPIO3_OUTPUT_ENABLE                                 7
227 #define     GPIO2_OUTPUT_ENABLE                                 6
228 #define     GPIO1_OUTPUT_ENABLE                                 5
229 #define     GPIO0_OUTPUT_ENABLE                                 4
230 #define     GPIO3_DATA                                          3
231 #define     GPIO2_DATA                                          2
232 #define     GPIO1_DATA                                          1
233 #define     GPIO0_DATA                                          0
234 	u32		gpiostat;
235 #define     GPIO3_INTERRUPT                                     3
236 #define     GPIO2_INTERRUPT                                     2
237 #define     GPIO1_INTERRUPT                                     1
238 #define     GPIO0_INTERRUPT                                     0
239 } __attribute__ ((packed));
240 
241 /* usb control, BAR0 + 0x0080 */
242 struct net2280_usb_regs {
243 	/* offset 0x0080 */
244 	u32		stdrsp;
245 #define     STALL_UNSUPPORTED_REQUESTS                          31
246 #define     SET_TEST_MODE                                       16
247 #define     GET_OTHER_SPEED_CONFIGURATION                       15
248 #define     GET_DEVICE_QUALIFIER                                14
249 #define     SET_ADDRESS                                         13
250 #define     ENDPOINT_SET_CLEAR_HALT                             12
251 #define     DEVICE_SET_CLEAR_DEVICE_REMOTE_WAKEUP               11
252 #define     GET_STRING_DESCRIPTOR_2                             10
253 #define     GET_STRING_DESCRIPTOR_1                             9
254 #define     GET_STRING_DESCRIPTOR_0                             8
255 #define     GET_SET_INTERFACE                                   6
256 #define     GET_SET_CONFIGURATION                               5
257 #define     GET_CONFIGURATION_DESCRIPTOR                        4
258 #define     GET_DEVICE_DESCRIPTOR                               3
259 #define     GET_ENDPOINT_STATUS                                 2
260 #define     GET_INTERFACE_STATUS                                1
261 #define     GET_DEVICE_STATUS                                   0
262 	u32		prodvendid;
263 #define     PRODUCT_ID                                          16
264 #define     VENDOR_ID                                           0
265 	u32		relnum;
266 	u32		usbctl;
267 #define     SERIAL_NUMBER_INDEX                                 16
268 #define     PRODUCT_ID_STRING_ENABLE                            13
269 #define     VENDOR_ID_STRING_ENABLE                             12
270 #define     USB_ROOT_PORT_WAKEUP_ENABLE                         11
271 #define     VBUS_PIN                                            10
272 #define     TIMED_DISCONNECT                                    9
273 #define     SUSPEND_IMMEDIATELY                                 7
274 #define     SELF_POWERED_USB_DEVICE                             6
275 #define     REMOTE_WAKEUP_SUPPORT                               5
276 #define     PME_POLARITY                                        4
277 #define     USB_DETECT_ENABLE                                   3
278 #define     PME_WAKEUP_ENABLE                                   2
279 #define     DEVICE_REMOTE_WAKEUP_ENABLE                         1
280 #define     SELF_POWERED_STATUS                                 0
281 	/* offset 0x0090 */
282 	u32		usbstat;
283 #define     HIGH_SPEED                                          7
284 #define     FULL_SPEED                                          6
285 #define     GENERATE_RESUME                                     5
286 #define     GENERATE_DEVICE_REMOTE_WAKEUP                       4
287 	u32		xcvrdiag;
288 #define     FORCE_HIGH_SPEED_MODE                               31
289 #define     FORCE_FULL_SPEED_MODE                               30
290 #define     USB_TEST_MODE                                       24
291 #define     LINE_STATE                                          16
292 #define     TRANSCEIVER_OPERATION_MODE                          2
293 #define     TRANSCEIVER_SELECT                                  1
294 #define     TERMINATION_SELECT                                  0
295 	u32		setup0123;
296 	u32		setup4567;
297 	/* offset 0x0090 */
298 	u32		_unused0;
299 	u32		ouraddr;
300 #define     FORCE_IMMEDIATE                                     7
301 #define     OUR_USB_ADDRESS                                     0
302 	u32		ourconfig;
303 } __attribute__ ((packed));
304 
305 /* pci control, BAR0 + 0x0100 */
306 struct net2280_pci_regs {
307 	/* offset 0x0100 */
308 	u32		 pcimstctl;
309 #define     PCI_ARBITER_PARK_SELECT                             13
310 #define     PCI_MULTI LEVEL_ARBITER                             12
311 #define     PCI_RETRY_ABORT_ENABLE                              11
312 #define     DMA_MEMORY_WRITE_AND_INVALIDATE_ENABLE              10
313 #define     DMA_READ_MULTIPLE_ENABLE                            9
314 #define     DMA_READ_LINE_ENABLE                                8
315 #define     PCI_MASTER_COMMAND_SELECT                           6
316 #define         MEM_READ_OR_WRITE                                   0
317 #define         IO_READ_OR_WRITE                                    1
318 #define         CFG_READ_OR_WRITE                                   2
319 #define     PCI_MASTER_START                                    5
320 #define     PCI_MASTER_READ_WRITE                               4
321 #define         PCI_MASTER_WRITE                                    0
322 #define         PCI_MASTER_READ                                     1
323 #define     PCI_MASTER_BYTE_WRITE_ENABLES                       0
324 	u32		 pcimstaddr;
325 	u32		 pcimstdata;
326 	u32		 pcimststat;
327 #define     PCI_ARBITER_CLEAR                                   2
328 #define     PCI_EXTERNAL_ARBITER                                1
329 #define     PCI_HOST_MODE                                       0
330 } __attribute__ ((packed));
331 
332 /* dma control, BAR0 + 0x0180 ... array of four structs like this,
333  * for channels 0..3.  see also struct net2280_dma:  descriptor
334  * that can be loaded into some of these registers.
335  */
336 struct net2280_dma_regs {	/* [11.7] */
337 	/* offset 0x0180, 0x01a0, 0x01c0, 0x01e0, */
338 	u32		dmactl;
339 #define     DMA_SCATTER_GATHER_DONE_INTERRUPT_ENABLE            25
340 #define     DMA_CLEAR_COUNT_ENABLE                              21
341 #define     DESCRIPTOR_POLLING_RATE                             19
342 #define         POLL_CONTINUOUS                                     0
343 #define         POLL_1_USEC                                         1
344 #define         POLL_100_USEC                                       2
345 #define         POLL_1_MSEC                                         3
346 #define     DMA_VALID_BIT_POLLING_ENABLE                        18
347 #define     DMA_VALID_BIT_ENABLE                                17
348 #define     DMA_SCATTER_GATHER_ENABLE                           16
349 #define     DMA_OUT_AUTO_START_ENABLE                           4
350 #define     DMA_PREEMPT_ENABLE                                  3
351 #define     DMA_FIFO_VALIDATE                                   2
352 #define     DMA_ENABLE                                          1
353 #define     DMA_ADDRESS_HOLD                                    0
354 	u32		dmastat;
355 #define     DMA_ABORT_DONE_INTERRUPT                            27
356 #define     DMA_SCATTER_GATHER_DONE_INTERRUPT                   25
357 #define     DMA_TRANSACTION_DONE_INTERRUPT                      24
358 #define     DMA_ABORT                                           1
359 #define     DMA_START                                           0
360 	u32		_unused0[2];
361 	/* offset 0x0190, 0x01b0, 0x01d0, 0x01f0, */
362 	u32		dmacount;
363 #define     VALID_BIT                                           31
364 #define     DMA_DIRECTION                                       30
365 #define     DMA_DONE_INTERRUPT_ENABLE                           29
366 #define     END_OF_CHAIN                                        28
367 #define         DMA_BYTE_COUNT_MASK                                 ((1<<24)-1)
368 #define     DMA_BYTE_COUNT                                      0
369 	u32		dmaaddr;
370 	u32		dmadesc;
371 	u32		_unused1;
372 } __attribute__ ((packed));
373 
374 /* dedicated endpoint registers, BAR0 + 0x0200 */
375 
376 struct net2280_dep_regs {	/* [11.8] */
377 	/* offset 0x0200, 0x0210, 0x220, 0x230, 0x240 */
378 	u32		dep_cfg;
379 	/* offset 0x0204, 0x0214, 0x224, 0x234, 0x244 */
380 	u32		dep_rsp;
381 	u32		_unused[2];
382 } __attribute__ ((packed));
383 
384 /* configurable endpoint registers, BAR0 + 0x0300 ... array of seven structs
385  * like this, for ep0 then the configurable endpoints A..F
386  * ep0 reserved for control; E and F have only 64 bytes of fifo
387  */
388 struct net2280_ep_regs {	/* [11.9] */
389 	/* offset 0x0300, 0x0320, 0x0340, 0x0360, 0x0380, 0x03a0, 0x03c0 */
390 	u32		ep_cfg;
391 #define     ENDPOINT_BYTE_COUNT                                 16
392 #define     ENDPOINT_ENABLE                                     10
393 #define     ENDPOINT_TYPE                                       8
394 #define     ENDPOINT_DIRECTION                                  7
395 #define     ENDPOINT_NUMBER                                     0
396 	u32		ep_rsp;
397 #define     SET_NAK_OUT_PACKETS                                 15
398 #define     SET_EP_HIDE_STATUS_PHASE                            14
399 #define     SET_EP_FORCE_CRC_ERROR                              13
400 #define     SET_INTERRUPT_MODE                                  12
401 #define     SET_CONTROL_STATUS_PHASE_HANDSHAKE                  11
402 #define     SET_NAK_OUT_PACKETS_MODE                            10
403 #define     SET_ENDPOINT_TOGGLE                                 9
404 #define     SET_ENDPOINT_HALT                                   8
405 #define     CLEAR_NAK_OUT_PACKETS                               7
406 #define     CLEAR_EP_HIDE_STATUS_PHASE                          6
407 #define     CLEAR_EP_FORCE_CRC_ERROR                            5
408 #define     CLEAR_INTERRUPT_MODE                                4
409 #define     CLEAR_CONTROL_STATUS_PHASE_HANDSHAKE                3
410 #define     CLEAR_NAK_OUT_PACKETS_MODE                          2
411 #define     CLEAR_ENDPOINT_TOGGLE                               1
412 #define     CLEAR_ENDPOINT_HALT                                 0
413 	u32		ep_irqenb;
414 #define     SHORT_PACKET_OUT_DONE_INTERRUPT_ENABLE              6
415 #define     SHORT_PACKET_TRANSFERRED_INTERRUPT_ENABLE           5
416 #define     DATA_PACKET_RECEIVED_INTERRUPT_ENABLE               3
417 #define     DATA_PACKET_TRANSMITTED_INTERRUPT_ENABLE            2
418 #define     DATA_OUT_PING_TOKEN_INTERRUPT_ENABLE                1
419 #define     DATA_IN_TOKEN_INTERRUPT_ENABLE                      0
420 	u32		ep_stat;
421 #define     FIFO_VALID_COUNT                                    24
422 #define     HIGH_BANDWIDTH_OUT_TRANSACTION_PID                  22
423 #define     TIMEOUT                                             21
424 #define     USB_STALL_SENT                                      20
425 #define     USB_IN_NAK_SENT                                     19
426 #define     USB_IN_ACK_RCVD                                     18
427 #define     USB_OUT_PING_NAK_SENT                               17
428 #define     USB_OUT_ACK_SENT                                    16
429 #define     FIFO_OVERFLOW                                       13
430 #define     FIFO_UNDERFLOW                                      12
431 #define     FIFO_FULL                                           11
432 #define     FIFO_EMPTY                                          10
433 #define     FIFO_FLUSH                                          9
434 #define     SHORT_PACKET_OUT_DONE_INTERRUPT                     6
435 #define     SHORT_PACKET_TRANSFERRED_INTERRUPT                  5
436 #define     NAK_OUT_PACKETS                                     4
437 #define     DATA_PACKET_RECEIVED_INTERRUPT                      3
438 #define     DATA_PACKET_TRANSMITTED_INTERRUPT                   2
439 #define     DATA_OUT_PING_TOKEN_INTERRUPT                       1
440 #define     DATA_IN_TOKEN_INTERRUPT                             0
441 	/* offset 0x0310, 0x0330, 0x0350, 0x0370, 0x0390, 0x03b0, 0x03d0 */
442 	u32		ep_avail;
443 	u32		ep_data;
444 	u32		_unused0[2];
445 } __attribute__ ((packed));
446 
447 #endif /* __LINUX_USB_NET2280_H */
448