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18#include "otg_fsm.h"
19#include <linux/usb/otg.h>
20#include <linux/ioctl.h>
21
22
23#define USB_CMD_RUN_STOP (0x1<<0)
24#define USB_CMD_CTRL_RESET (0x1<<1)
25#define USB_CMD_PERIODIC_SCHEDULE_EN (0x1<<4)
26#define USB_CMD_ASYNC_SCHEDULE_EN (0x1<<5)
27#define USB_CMD_INT_AA_DOORBELL (0x1<<6)
28#define USB_CMD_ASP (0x3<<8)
29#define USB_CMD_ASYNC_SCH_PARK_EN (0x1<<11)
30#define USB_CMD_SUTW (0x1<<13)
31#define USB_CMD_ATDTW (0x1<<14)
32#define USB_CMD_ITC (0xFF<<16)
33
34
35#define USB_CMD_FRAME_SIZE_1024 (0x0<<15 | 0x0<<2)
36#define USB_CMD_FRAME_SIZE_512 (0x0<<15 | 0x1<<2)
37#define USB_CMD_FRAME_SIZE_256 (0x0<<15 | 0x2<<2)
38#define USB_CMD_FRAME_SIZE_128 (0x0<<15 | 0x3<<2)
39#define USB_CMD_FRAME_SIZE_64 (0x1<<15 | 0x0<<2)
40#define USB_CMD_FRAME_SIZE_32 (0x1<<15 | 0x1<<2)
41#define USB_CMD_FRAME_SIZE_16 (0x1<<15 | 0x2<<2)
42#define USB_CMD_FRAME_SIZE_8 (0x1<<15 | 0x3<<2)
43
44
45#define USB_CMD_ASP_00 (0x0<<8)
46#define USB_CMD_ASP_01 (0x1<<8)
47#define USB_CMD_ASP_10 (0x2<<8)
48#define USB_CMD_ASP_11 (0x3<<8)
49#define USB_CMD_ASP_BIT_POS (8)
50
51
52#define USB_CMD_ITC_NO_THRESHOLD (0x00<<16)
53#define USB_CMD_ITC_1_MICRO_FRM (0x01<<16)
54#define USB_CMD_ITC_2_MICRO_FRM (0x02<<16)
55#define USB_CMD_ITC_4_MICRO_FRM (0x04<<16)
56#define USB_CMD_ITC_8_MICRO_FRM (0x08<<16)
57#define USB_CMD_ITC_16_MICRO_FRM (0x10<<16)
58#define USB_CMD_ITC_32_MICRO_FRM (0x20<<16)
59#define USB_CMD_ITC_64_MICRO_FRM (0x40<<16)
60#define USB_CMD_ITC_BIT_POS (16)
61
62
63#define USB_STS_INT (0x1<<0)
64#define USB_STS_ERR (0x1<<1)
65#define USB_STS_PORT_CHANGE (0x1<<2)
66#define USB_STS_FRM_LST_ROLL (0x1<<3)
67#define USB_STS_SYS_ERR (0x1<<4)
68#define USB_STS_IAA (0x1<<5)
69#define USB_STS_RESET_RECEIVED (0x1<<6)
70#define USB_STS_SOF (0x1<<7)
71#define USB_STS_DCSUSPEND (0x1<<8)
72#define USB_STS_HC_HALTED (0x1<<12)
73#define USB_STS_RCL (0x1<<13)
74#define USB_STS_PERIODIC_SCHEDULE (0x1<<14)
75#define USB_STS_ASYNC_SCHEDULE (0x1<<15)
76
77
78#define USB_INTR_INT_EN (0x1<<0)
79#define USB_INTR_ERR_INT_EN (0x1<<1)
80#define USB_INTR_PC_DETECT_EN (0x1<<2)
81#define USB_INTR_FRM_LST_ROLL_EN (0x1<<3)
82#define USB_INTR_SYS_ERR_EN (0x1<<4)
83#define USB_INTR_ASYN_ADV_EN (0x1<<5)
84#define USB_INTR_RESET_EN (0x1<<6)
85#define USB_INTR_SOF_EN (0x1<<7)
86#define USB_INTR_DEVICE_SUSPEND (0x1<<8)
87
88
89#define USB_DEVICE_ADDRESS_MASK (0x7F<<25)
90#define USB_DEVICE_ADDRESS_BIT_POS (25)
91
92#define PORTSC_CURRENT_CONNECT_STATUS (0x1<<0)
93#define PORTSC_CONNECT_STATUS_CHANGE (0x1<<1)
94#define PORTSC_PORT_ENABLE (0x1<<2)
95#define PORTSC_PORT_EN_DIS_CHANGE (0x1<<3)
96#define PORTSC_OVER_CURRENT_ACT (0x1<<4)
97#define PORTSC_OVER_CUURENT_CHG (0x1<<5)
98#define PORTSC_PORT_FORCE_RESUME (0x1<<6)
99#define PORTSC_PORT_SUSPEND (0x1<<7)
100#define PORTSC_PORT_RESET (0x1<<8)
101#define PORTSC_LINE_STATUS_BITS (0x3<<10)
102#define PORTSC_PORT_POWER (0x1<<12)
103#define PORTSC_PORT_INDICTOR_CTRL (0x3<<14)
104#define PORTSC_PORT_TEST_CTRL (0xF<<16)
105#define PORTSC_WAKE_ON_CONNECT_EN (0x1<<20)
106#define PORTSC_WAKE_ON_CONNECT_DIS (0x1<<21)
107#define PORTSC_WAKE_ON_OVER_CURRENT (0x1<<22)
108#define PORTSC_PHY_LOW_POWER_SPD (0x1<<23)
109#define PORTSC_PORT_FORCE_FULL_SPEED (0x1<<24)
110#define PORTSC_PORT_SPEED_MASK (0x3<<26)
111#define PORTSC_TRANSCEIVER_WIDTH (0x1<<28)
112#define PORTSC_PHY_TYPE_SEL (0x3<<30)
113
114#define PORTSC_LINE_STATUS_SE0 (0x0<<10)
115#define PORTSC_LINE_STATUS_JSTATE (0x1<<10)
116#define PORTSC_LINE_STATUS_KSTATE (0x2<<10)
117#define PORTSC_LINE_STATUS_UNDEF (0x3<<10)
118#define PORTSC_LINE_STATUS_BIT_POS (10)
119
120
121#define PORTSC_PIC_OFF (0x0<<14)
122#define PORTSC_PIC_AMBER (0x1<<14)
123#define PORTSC_PIC_GREEN (0x2<<14)
124#define PORTSC_PIC_UNDEF (0x3<<14)
125#define PORTSC_PIC_BIT_POS (14)
126
127
128#define PORTSC_PTC_DISABLE (0x0<<16)
129#define PORTSC_PTC_JSTATE (0x1<<16)
130#define PORTSC_PTC_KSTATE (0x2<<16)
131#define PORTSC_PTC_SEQNAK (0x3<<16)
132#define PORTSC_PTC_PACKET (0x4<<16)
133#define PORTSC_PTC_FORCE_EN (0x5<<16)
134#define PORTSC_PTC_BIT_POS (16)
135
136
137#define PORTSC_PORT_SPEED_FULL (0x0<<26)
138#define PORTSC_PORT_SPEED_LOW (0x1<<26)
139#define PORTSC_PORT_SPEED_HIGH (0x2<<26)
140#define PORTSC_PORT_SPEED_UNDEF (0x3<<26)
141#define PORTSC_SPEED_BIT_POS (26)
142
143
144#define PORTSC_PTW (0x1<<28)
145#define PORTSC_PTW_8BIT (0x0<<28)
146#define PORTSC_PTW_16BIT (0x1<<28)
147
148
149#define PORTSC_PTS_UTMI (0x0<<30)
150#define PORTSC_PTS_ULPI (0x2<<30)
151#define PORTSC_PTS_FSLS_SERIAL (0x3<<30)
152#define PORTSC_PTS_BIT_POS (30)
153
154#define PORTSC_W1C_BITS \
155 (PORTSC_CONNECT_STATUS_CHANGE | \
156 PORTSC_PORT_EN_DIS_CHANGE | \
157 PORTSC_OVER_CUURENT_CHG)
158
159
160#define OTGSC_CTRL_VBUS_DISCHARGE (0x1<<0)
161#define OTGSC_CTRL_VBUS_CHARGE (0x1<<1)
162#define OTGSC_CTRL_OTG_TERMINATION (0x1<<3)
163#define OTGSC_CTRL_DATA_PULSING (0x1<<4)
164#define OTGSC_CTRL_ID_PULL_EN (0x1<<5)
165#define OTGSC_HA_DATA_PULSE (0x1<<6)
166#define OTGSC_HA_BA (0x1<<7)
167#define OTGSC_STS_USB_ID (0x1<<8)
168#define OTGSC_STS_A_VBUS_VALID (0x1<<9)
169#define OTGSC_STS_A_SESSION_VALID (0x1<<10)
170#define OTGSC_STS_B_SESSION_VALID (0x1<<11)
171#define OTGSC_STS_B_SESSION_END (0x1<<12)
172#define OTGSC_STS_1MS_TOGGLE (0x1<<13)
173#define OTGSC_STS_DATA_PULSING (0x1<<14)
174#define OTGSC_INTSTS_USB_ID (0x1<<16)
175#define OTGSC_INTSTS_A_VBUS_VALID (0x1<<17)
176#define OTGSC_INTSTS_A_SESSION_VALID (0x1<<18)
177#define OTGSC_INTSTS_B_SESSION_VALID (0x1<<19)
178#define OTGSC_INTSTS_B_SESSION_END (0x1<<20)
179#define OTGSC_INTSTS_1MS (0x1<<21)
180#define OTGSC_INTSTS_DATA_PULSING (0x1<<22)
181#define OTGSC_INTR_USB_ID_EN (0x1<<24)
182#define OTGSC_INTR_A_VBUS_VALID_EN (0x1<<25)
183#define OTGSC_INTR_A_SESSION_VALID_EN (0x1<<26)
184#define OTGSC_INTR_B_SESSION_VALID_EN (0x1<<27)
185#define OTGSC_INTR_B_SESSION_END_EN (0x1<<28)
186#define OTGSC_INTR_1MS_TIMER_EN (0x1<<29)
187#define OTGSC_INTR_DATA_PULSING_EN (0x1<<30)
188#define OTGSC_INTSTS_MASK (0x00ff0000)
189
190
191#define USB_MODE_CTRL_MODE_IDLE (0x0<<0)
192#define USB_MODE_CTRL_MODE_DEVICE (0x2<<0)
193#define USB_MODE_CTRL_MODE_HOST (0x3<<0)
194#define USB_MODE_CTRL_MODE_RSV (0x1<<0)
195#define USB_MODE_SETUP_LOCK_OFF (0x1<<3)
196#define USB_MODE_STREAM_DISABLE (0x1<<4)
197#define USB_MODE_ES (0x1<<2)
198
199
200#define USB_CTRL_IOENB (0x1<<2)
201#define USB_CTRL_ULPI_INT0EN (0x1<<0)
202
203
204#define BCSR5_INT_USB (0x02)
205
206
207#define SCCR_OFFS (0xA08)
208#define SCCR_USB_CLK_DISABLE (0x00000000)
209#define SCCR_USB_MPHCM_11 (0x00c00000)
210#define SCCR_USB_MPHCM_01 (0x00400000)
211#define SCCR_USB_MPHCM_10 (0x00800000)
212#define SCCR_USB_DRCM_11 (0x00300000)
213#define SCCR_USB_DRCM_01 (0x00100000)
214#define SCCR_USB_DRCM_10 (0x00200000)
215
216#define SICRL_OFFS (0x114)
217#define SICRL_USB0 (0x40000000)
218#define SICRL_USB1 (0x20000000)
219
220#define SICRH_OFFS (0x118)
221#define SICRH_USB_UTMI (0x00020000)
222
223
224#define OTGSC_INTERRUPT_ENABLE_BITS_MASK \
225 (OTGSC_INTR_USB_ID_EN | \
226 OTGSC_INTR_1MS_TIMER_EN | \
227 OTGSC_INTR_A_VBUS_VALID_EN | \
228 OTGSC_INTR_A_SESSION_VALID_EN | \
229 OTGSC_INTR_B_SESSION_VALID_EN | \
230 OTGSC_INTR_B_SESSION_END_EN | \
231 OTGSC_INTR_DATA_PULSING_EN)
232
233
234#define OTGSC_INTERRUPT_STATUS_BITS_MASK \
235 (OTGSC_INTSTS_USB_ID | \
236 OTGSC_INTR_1MS_TIMER_EN | \
237 OTGSC_INTSTS_A_VBUS_VALID | \
238 OTGSC_INTSTS_A_SESSION_VALID | \
239 OTGSC_INTSTS_B_SESSION_VALID | \
240 OTGSC_INTSTS_B_SESSION_END | \
241 OTGSC_INTSTS_DATA_PULSING)
242
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245
246
247
248#define TA_WAIT_VRISE (100)
249
250
251#define TA_WAIT_BCON (10000)
252
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257
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260
261
262#define TA_AIDL_BDIS (5000)
263
264
265#define TA_BIDL_ADIS (12)
266
267
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269
270
271#define TB_DATA_PLS (10)
272#define TB_DATA_PLS_MIN (5)
273#define TB_DATA_PLS_MAX (10)
274
275
276#define TB_SRP_INIT (100)
277
278
279#define TB_SRP_FAIL (7000)
280
281
282#define TB_SRP_WAIT (60)
283
284
285#define TB_VBUS_PLS (30)
286
287
288
289#define TB_VBUS_DSCHRG (8)
290
291
292#define TB_ASE0_BRST (20)
293
294
295#define TB_A_SUSPEND (7)
296#define TB_BUS_RESUME (12)
297
298
299#define TB_SE0_SRP (2)
300
301#define SET_OTG_STATE(otg_ptr, newstate) ((otg_ptr)->state = newstate)
302
303struct usb_dr_mmap {
304
305 u8 res1[256];
306 u16 caplength;
307 u16 hciversion;
308 u32 hcsparams;
309 u32 hccparams;
310 u8 res2[20];
311 u32 dciversion;
312 u32 dccparams;
313 u8 res3[24];
314
315 u32 usbcmd;
316 u32 usbsts;
317 u32 usbintr;
318 u32 frindex;
319 u8 res4[4];
320 u32 deviceaddr;
321 u32 endpointlistaddr;
322 u8 res5[4];
323 u32 burstsize;
324 u32 txttfilltuning;
325 u8 res6[8];
326 u32 ulpiview;
327 u8 res7[12];
328 u32 configflag;
329 u32 portsc;
330 u8 res8[28];
331 u32 otgsc;
332 u32 usbmode;
333 u32 endptsetupstat;
334 u32 endpointprime;
335 u32 endptflush;
336 u32 endptstatus;
337 u32 endptcomplete;
338 u32 endptctrl[6];
339 u8 res9[552];
340 u32 snoop1;
341 u32 snoop2;
342 u32 age_cnt_thresh;
343 u32 pri_ctrl;
344 u32 si_ctrl;
345 u8 res10[236];
346 u32 control;
347};
348
349struct fsl_otg_timer {
350 unsigned long expires;
351 unsigned long count;
352 void (*function)(unsigned long);
353 unsigned long data;
354 struct list_head list;
355};
356
357inline struct fsl_otg_timer *otg_timer_initializer
358(void (*function)(unsigned long), unsigned long expires, unsigned long data)
359{
360 struct fsl_otg_timer *timer;
361
362 timer = kmalloc(sizeof(struct fsl_otg_timer), GFP_KERNEL);
363 if (!timer)
364 return NULL;
365 timer->function = function;
366 timer->expires = expires;
367 timer->data = data;
368 return timer;
369}
370
371struct fsl_otg {
372 struct usb_phy phy;
373 struct otg_fsm fsm;
374 struct usb_dr_mmap *dr_mem_map;
375 struct delayed_work otg_event;
376
377
378 struct work_struct work_wq;
379 u8 host_working;
380
381 int irq;
382};
383
384struct fsl_otg_config {
385 u8 otg_port;
386};
387
388
389#define FSL_OTG_MAJOR 240
390#define FSL_OTG_NAME "fsl-usb2-otg"
391
392#define OTG_IOCTL_MAGIC FSL_OTG_MAJOR
393
394#define GET_OTG_STATUS _IOR(OTG_IOCTL_MAGIC, 1, int)
395#define SET_A_SUSPEND_REQ _IOW(OTG_IOCTL_MAGIC, 2, int)
396#define SET_A_BUS_DROP _IOW(OTG_IOCTL_MAGIC, 3, int)
397#define SET_A_BUS_REQ _IOW(OTG_IOCTL_MAGIC, 4, int)
398#define SET_B_BUS_REQ _IOW(OTG_IOCTL_MAGIC, 5, int)
399#define GET_A_SUSPEND_REQ _IOR(OTG_IOCTL_MAGIC, 6, int)
400#define GET_A_BUS_DROP _IOR(OTG_IOCTL_MAGIC, 7, int)
401#define GET_A_BUS_REQ _IOR(OTG_IOCTL_MAGIC, 8, int)
402#define GET_B_BUS_REQ _IOR(OTG_IOCTL_MAGIC, 9, int)
403
404void fsl_otg_add_timer(void *timer);
405void fsl_otg_del_timer(void *timer);
406void fsl_otg_pulse_vbus(void);
407