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9 #include <linux/kernel.h>
10
11 #define FOTG210_MAX_NUM_EP 5
12 #define FOTG210_MAX_FIFO_NUM 4
13
14
15 #define FOTG210_GMIR 0xC4
16 #define GMIR_INT_POLARITY 0x8
17 #define GMIR_MHC_INT 0x4
18 #define GMIR_MOTG_INT 0x2
19 #define GMIR_MDEV_INT 0x1
20
21
22 #define FOTG210_DMCR 0x100
23 #define DMCR_HS_EN (1 << 6)
24 #define DMCR_CHIP_EN (1 << 5)
25 #define DMCR_SFRST (1 << 4)
26 #define DMCR_GOSUSP (1 << 3)
27 #define DMCR_GLINT_EN (1 << 2)
28 #define DMCR_HALF_SPEED (1 << 1)
29 #define DMCR_CAP_RMWAKUP (1 << 0)
30
31
32 #define FOTG210_DAR 0x104
33 #define DAR_AFT_CONF (1 << 7)
34
35
36 #define FOTG210_DTR 0x108
37 #define DTR_TST_CLRFF (1 << 0)
38
39
40 #define FOTG210_PHYTMSR 0x114
41 #define PHYTMSR_TST_PKT (1 << 4)
42 #define PHYTMSR_TST_SE0NAK (1 << 3)
43 #define PHYTMSR_TST_KSTA (1 << 2)
44 #define PHYTMSR_TST_JSTA (1 << 1)
45 #define PHYTMSR_UNPLUG (1 << 0)
46
47
48 #define FOTG210_DCFESR 0x120
49 #define DCFESR_FIFO_EMPTY(fifo) (1 << 8 << (fifo))
50 #define DCFESR_CX_EMP (1 << 5)
51 #define DCFESR_CX_CLR (1 << 3)
52 #define DCFESR_CX_STL (1 << 2)
53 #define DCFESR_TST_PKDONE (1 << 1)
54 #define DCFESR_CX_DONE (1 << 0)
55
56
57 #define FOTG210_DICR 0x124
58
59
60 #define FOTG210_DMIGR 0x130
61 #define DMIGR_MINT_G0 (1 << 0)
62
63
64 #define FOTG210_DMISGR0 0x134
65 #define DMISGR0_MCX_COMEND (1 << 3)
66 #define DMISGR0_MCX_OUT_INT (1 << 2)
67 #define DMISGR0_MCX_IN_INT (1 << 1)
68 #define DMISGR0_MCX_SETUP_INT (1 << 0)
69
70
71 #define FOTG210_DMISGR1 0x138
72 #define DMISGR1_MF3_IN_INT (1 << 19)
73 #define DMISGR1_MF2_IN_INT (1 << 18)
74 #define DMISGR1_MF1_IN_INT (1 << 17)
75 #define DMISGR1_MF0_IN_INT (1 << 16)
76 #define DMISGR1_MF_IN_INT(fifo) (1 << (16 + (fifo)))
77 #define DMISGR1_MF3_SPK_INT (1 << 7)
78 #define DMISGR1_MF3_OUT_INT (1 << 6)
79 #define DMISGR1_MF2_SPK_INT (1 << 5)
80 #define DMISGR1_MF2_OUT_INT (1 << 4)
81 #define DMISGR1_MF1_SPK_INT (1 << 3)
82 #define DMISGR1_MF1_OUT_INT (1 << 2)
83 #define DMISGR1_MF0_SPK_INT (1 << 1)
84 #define DMISGR1_MF0_OUT_INT (1 << 0)
85 #define DMISGR1_MF_OUTSPK_INT(fifo) (0x3 << (fifo) * 2)
86
87
88 #define FOTG210_DMISGR2 0x13C
89 #define DMISGR2_MDMA_ERROR (1 << 8)
90 #define DMISGR2_MDMA_CMPLT (1 << 7)
91
92
93 #define FOTG210_DIGR 0x140
94 #define DIGR_INT_G2 (1 << 2)
95 #define DIGR_INT_G1 (1 << 1)
96 #define DIGR_INT_G0 (1 << 0)
97
98
99 #define FOTG210_DISGR0 0x144
100 #define DISGR0_CX_COMABT_INT (1 << 5)
101 #define DISGR0_CX_COMFAIL_INT (1 << 4)
102 #define DISGR0_CX_COMEND_INT (1 << 3)
103 #define DISGR0_CX_OUT_INT (1 << 2)
104 #define DISGR0_CX_IN_INT (1 << 1)
105 #define DISGR0_CX_SETUP_INT (1 << 0)
106
107
108 #define FOTG210_DISGR1 0x148
109 #define DISGR1_OUT_INT(fifo) (1 << ((fifo) * 2))
110 #define DISGR1_SPK_INT(fifo) (1 << 1 << ((fifo) * 2))
111 #define DISGR1_IN_INT(fifo) (1 << 16 << (fifo))
112
113
114 #define FOTG210_DISGR2 0x14C
115 #define DISGR2_DMA_ERROR (1 << 8)
116 #define DISGR2_DMA_CMPLT (1 << 7)
117 #define DISGR2_RX0BYTE_INT (1 << 6)
118 #define DISGR2_TX0BYTE_INT (1 << 5)
119 #define DISGR2_ISO_SEQ_ABORT_INT (1 << 4)
120 #define DISGR2_ISO_SEQ_ERR_INT (1 << 3)
121 #define DISGR2_RESM_INT (1 << 2)
122 #define DISGR2_SUSP_INT (1 << 1)
123 #define DISGR2_USBRST_INT (1 << 0)
124
125
126 #define FOTG210_RX0BYTE 0x150
127 #define RX0BYTE_EP8 (1 << 7)
128 #define RX0BYTE_EP7 (1 << 6)
129 #define RX0BYTE_EP6 (1 << 5)
130 #define RX0BYTE_EP5 (1 << 4)
131 #define RX0BYTE_EP4 (1 << 3)
132 #define RX0BYTE_EP3 (1 << 2)
133 #define RX0BYTE_EP2 (1 << 1)
134 #define RX0BYTE_EP1 (1 << 0)
135
136
137 #define FOTG210_TX0BYTE 0x154
138 #define TX0BYTE_EP8 (1 << 7)
139 #define TX0BYTE_EP7 (1 << 6)
140 #define TX0BYTE_EP6 (1 << 5)
141 #define TX0BYTE_EP5 (1 << 4)
142 #define TX0BYTE_EP4 (1 << 3)
143 #define TX0BYTE_EP3 (1 << 2)
144 #define TX0BYTE_EP2 (1 << 1)
145 #define TX0BYTE_EP1 (1 << 0)
146
147
148 #define FOTG210_INEPMPSR(ep) (0x160 + 4 * ((ep) - 1))
149 #define INOUTEPMPSR_MPS(mps) ((mps) & 0x2FF)
150 #define INOUTEPMPSR_STL_EP (1 << 11)
151 #define INOUTEPMPSR_RESET_TSEQ (1 << 12)
152
153
154 #define FOTG210_OUTEPMPSR(ep) (0x180 + 4 * ((ep) - 1))
155
156
157 #define FOTG210_EPMAP 0x1A0
158 #define EPMAP_FIFONO(ep, dir) \
159 ((((ep) - 1) << ((ep) - 1) * 8) << ((dir) ? 0 : 4))
160 #define EPMAP_FIFONOMSK(ep, dir) \
161 ((3 << ((ep) - 1) * 8) << ((dir) ? 0 : 4))
162
163
164 #define FOTG210_FIFOMAP 0x1A8
165 #define FIFOMAP_DIROUT(fifo) (0x0 << 4 << (fifo) * 8)
166 #define FIFOMAP_DIRIN(fifo) (0x1 << 4 << (fifo) * 8)
167 #define FIFOMAP_BIDIR(fifo) (0x2 << 4 << (fifo) * 8)
168 #define FIFOMAP_NA(fifo) (0x3 << 4 << (fifo) * 8)
169 #define FIFOMAP_EPNO(ep) ((ep) << ((ep) - 1) * 8)
170 #define FIFOMAP_EPNOMSK(ep) (0xF << ((ep) - 1) * 8)
171
172
173 #define FOTG210_FIFOCF 0x1AC
174 #define FIFOCF_TYPE(type, fifo) ((type) << (fifo) * 8)
175 #define FIFOCF_BLK_SIN(fifo) (0x0 << (fifo) * 8 << 2)
176 #define FIFOCF_BLK_DUB(fifo) (0x1 << (fifo) * 8 << 2)
177 #define FIFOCF_BLK_TRI(fifo) (0x2 << (fifo) * 8 << 2)
178 #define FIFOCF_BLKSZ_512(fifo) (0x0 << (fifo) * 8 << 4)
179 #define FIFOCF_BLKSZ_1024(fifo) (0x1 << (fifo) * 8 << 4)
180 #define FIFOCF_FIFO_EN(fifo) (0x1 << (fifo) * 8 << 5)
181
182
183 #define FOTG210_FIBCR(fifo) (0x1B0 + (fifo) * 4)
184 #define FIBCR_BCFX 0x7FF
185 #define FIBCR_FFRST (1 << 12)
186
187
188 #define FOTG210_DMATFNR 0x1C0
189 #define DMATFNR_ACC_CXF (1 << 4)
190 #define DMATFNR_ACC_F3 (1 << 3)
191 #define DMATFNR_ACC_F2 (1 << 2)
192 #define DMATFNR_ACC_F1 (1 << 1)
193 #define DMATFNR_ACC_F0 (1 << 0)
194 #define DMATFNR_ACC_FN(fifo) (1 << (fifo))
195 #define DMATFNR_DISDMA 0
196
197
198 #define FOTG210_DMACPSR1 0x1C8
199 #define DMACPSR1_DMA_LEN(len) (((len) & 0xFFFF) << 8)
200 #define DMACPSR1_DMA_ABORT (1 << 3)
201 #define DMACPSR1_DMA_TYPE(dir_in) (((dir_in) ? 1 : 0) << 1)
202 #define DMACPSR1_DMA_START (1 << 0)
203
204
205 #define FOTG210_DMACPSR2 0x1CC
206
207
208 #define FOTG210_CXPORT 0x1D0
209
210 struct fotg210_request {
211 struct usb_request req;
212 struct list_head queue;
213 };
214
215 struct fotg210_ep {
216 struct usb_ep ep;
217 struct fotg210_udc *fotg210;
218
219 struct list_head queue;
220 unsigned stall:1;
221 unsigned wedged:1;
222 unsigned use_dma:1;
223
224 unsigned char epnum;
225 unsigned char type;
226 unsigned char dir_in;
227 unsigned int maxp;
228 const struct usb_endpoint_descriptor *desc;
229 };
230
231 struct fotg210_udc {
232 spinlock_t lock;
233 void __iomem *reg;
234
235 unsigned long irq_trigger;
236
237 struct usb_gadget gadget;
238 struct usb_gadget_driver *driver;
239
240 struct fotg210_ep *ep[FOTG210_MAX_NUM_EP];
241
242 struct usb_request *ep0_req;
243 __le16 ep0_data;
244 u8 ep0_dir;
245
246 u8 reenum;
247 };
248
249 #define gadget_to_fotg210(g) container_of((g), struct fotg210_udc, gadget)