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104a010f PZ |
1 | /* |
2 | * dwc-hsotg (dwc2) USB host controller state definitions | |
3 | * | |
4 | * Based on hw/usb/hcd-ehci.h | |
5 | * | |
6 | * Copyright (c) 2020 Paul Zimmerman <pauldzim@gmail.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | */ | |
18 | ||
19 | #ifndef HW_USB_DWC2_H | |
20 | #define HW_USB_DWC2_H | |
21 | ||
22 | #include "qemu/timer.h" | |
23 | #include "hw/irq.h" | |
24 | #include "hw/sysbus.h" | |
25 | #include "hw/usb.h" | |
26 | #include "sysemu/dma.h" | |
27 | ||
28 | #define DWC2_MMIO_SIZE 0x11000 | |
29 | ||
30 | #define DWC2_NB_CHAN 8 /* Number of host channels */ | |
31 | #define DWC2_MAX_XFER_SIZE 65536 /* Max transfer size expected in HCTSIZ */ | |
32 | ||
33 | typedef struct DWC2Packet DWC2Packet; | |
34 | typedef struct DWC2State DWC2State; | |
35 | typedef struct DWC2Class DWC2Class; | |
36 | ||
37 | enum async_state { | |
38 | DWC2_ASYNC_NONE = 0, | |
39 | DWC2_ASYNC_INITIALIZED, | |
40 | DWC2_ASYNC_INFLIGHT, | |
41 | DWC2_ASYNC_FINISHED, | |
42 | }; | |
43 | ||
44 | struct DWC2Packet { | |
45 | USBPacket packet; | |
46 | uint32_t devadr; | |
47 | uint32_t epnum; | |
48 | uint32_t epdir; | |
49 | uint32_t mps; | |
50 | uint32_t pid; | |
51 | uint32_t index; | |
52 | uint32_t pcnt; | |
53 | uint32_t len; | |
54 | int32_t async; | |
55 | bool small; | |
56 | bool needs_service; | |
57 | }; | |
58 | ||
59 | struct DWC2State { | |
60 | /*< private >*/ | |
61 | SysBusDevice parent_obj; | |
62 | ||
63 | /*< public >*/ | |
64 | USBBus bus; | |
65 | qemu_irq irq; | |
66 | MemoryRegion *dma_mr; | |
67 | AddressSpace dma_as; | |
68 | MemoryRegion container; | |
69 | MemoryRegion hsotg; | |
70 | MemoryRegion fifos; | |
71 | ||
72 | union { | |
73 | #define DWC2_GLBREG_SIZE 0x70 | |
74 | uint32_t glbreg[DWC2_GLBREG_SIZE / sizeof(uint32_t)]; | |
75 | struct { | |
76 | uint32_t gotgctl; /* 00 */ | |
77 | uint32_t gotgint; /* 04 */ | |
78 | uint32_t gahbcfg; /* 08 */ | |
79 | uint32_t gusbcfg; /* 0c */ | |
80 | uint32_t grstctl; /* 10 */ | |
81 | uint32_t gintsts; /* 14 */ | |
82 | uint32_t gintmsk; /* 18 */ | |
83 | uint32_t grxstsr; /* 1c */ | |
84 | uint32_t grxstsp; /* 20 */ | |
85 | uint32_t grxfsiz; /* 24 */ | |
86 | uint32_t gnptxfsiz; /* 28 */ | |
87 | uint32_t gnptxsts; /* 2c */ | |
88 | uint32_t gi2cctl; /* 30 */ | |
89 | uint32_t gpvndctl; /* 34 */ | |
90 | uint32_t ggpio; /* 38 */ | |
91 | uint32_t guid; /* 3c */ | |
92 | uint32_t gsnpsid; /* 40 */ | |
93 | uint32_t ghwcfg1; /* 44 */ | |
94 | uint32_t ghwcfg2; /* 48 */ | |
95 | uint32_t ghwcfg3; /* 4c */ | |
96 | uint32_t ghwcfg4; /* 50 */ | |
97 | uint32_t glpmcfg; /* 54 */ | |
98 | uint32_t gpwrdn; /* 58 */ | |
99 | uint32_t gdfifocfg; /* 5c */ | |
100 | uint32_t gadpctl; /* 60 */ | |
101 | uint32_t grefclk; /* 64 */ | |
102 | uint32_t gintmsk2; /* 68 */ | |
103 | uint32_t gintsts2; /* 6c */ | |
104 | }; | |
105 | }; | |
106 | ||
107 | union { | |
108 | #define DWC2_FSZREG_SIZE 0x04 | |
109 | uint32_t fszreg[DWC2_FSZREG_SIZE / sizeof(uint32_t)]; | |
110 | struct { | |
111 | uint32_t hptxfsiz; /* 100 */ | |
112 | }; | |
113 | }; | |
114 | ||
115 | union { | |
116 | #define DWC2_HREG0_SIZE 0x44 | |
117 | uint32_t hreg0[DWC2_HREG0_SIZE / sizeof(uint32_t)]; | |
118 | struct { | |
119 | uint32_t hcfg; /* 400 */ | |
120 | uint32_t hfir; /* 404 */ | |
121 | uint32_t hfnum; /* 408 */ | |
122 | uint32_t rsvd0; /* 40c */ | |
123 | uint32_t hptxsts; /* 410 */ | |
124 | uint32_t haint; /* 414 */ | |
125 | uint32_t haintmsk; /* 418 */ | |
126 | uint32_t hflbaddr; /* 41c */ | |
127 | uint32_t rsvd1[8]; /* 420-43c */ | |
128 | uint32_t hprt0; /* 440 */ | |
129 | }; | |
130 | }; | |
131 | ||
132 | #define DWC2_HREG1_SIZE (0x20 * DWC2_NB_CHAN) | |
133 | uint32_t hreg1[DWC2_HREG1_SIZE / sizeof(uint32_t)]; | |
134 | ||
135 | #define hcchar(_ch) hreg1[((_ch) << 3) + 0] /* 500, 520, ... */ | |
136 | #define hcsplt(_ch) hreg1[((_ch) << 3) + 1] /* 504, 524, ... */ | |
137 | #define hcint(_ch) hreg1[((_ch) << 3) + 2] /* 508, 528, ... */ | |
138 | #define hcintmsk(_ch) hreg1[((_ch) << 3) + 3] /* 50c, 52c, ... */ | |
139 | #define hctsiz(_ch) hreg1[((_ch) << 3) + 4] /* 510, 530, ... */ | |
140 | #define hcdma(_ch) hreg1[((_ch) << 3) + 5] /* 514, 534, ... */ | |
141 | #define hcdmab(_ch) hreg1[((_ch) << 3) + 7] /* 51c, 53c, ... */ | |
142 | ||
143 | union { | |
144 | #define DWC2_PCGREG_SIZE 0x08 | |
145 | uint32_t pcgreg[DWC2_PCGREG_SIZE / sizeof(uint32_t)]; | |
146 | struct { | |
147 | uint32_t pcgctl; /* e00 */ | |
148 | uint32_t pcgcctl1; /* e04 */ | |
149 | }; | |
150 | }; | |
151 | ||
152 | /* TODO - implement FIFO registers for slave mode */ | |
153 | #define DWC2_HFIFO_SIZE (0x1000 * DWC2_NB_CHAN) | |
154 | ||
155 | /* | |
156 | * Internal state | |
157 | */ | |
158 | QEMUTimer *eof_timer; | |
159 | QEMUTimer *frame_timer; | |
160 | QEMUBH *async_bh; | |
161 | int64_t sof_time; | |
162 | int64_t usb_frame_time; | |
163 | int64_t usb_bit_time; | |
164 | uint32_t usb_version; | |
165 | uint16_t frame_number; | |
166 | uint16_t fi; | |
167 | uint16_t next_chan; | |
168 | bool working; | |
169 | USBPort uport; | |
170 | DWC2Packet packet[DWC2_NB_CHAN]; /* one packet per chan */ | |
171 | uint8_t usb_buf[DWC2_NB_CHAN][DWC2_MAX_XFER_SIZE]; /* one buffer per chan */ | |
172 | }; | |
173 | ||
174 | struct DWC2Class { | |
175 | /*< private >*/ | |
176 | SysBusDeviceClass parent_class; | |
177 | ResettablePhases parent_phases; | |
178 | ||
179 | /*< public >*/ | |
180 | }; | |
181 | ||
182 | #define TYPE_DWC2_USB "dwc2-usb" | |
183 | #define DWC2_USB(obj) \ | |
184 | OBJECT_CHECK(DWC2State, (obj), TYPE_DWC2_USB) | |
185 | #define DWC2_CLASS(klass) \ | |
186 | OBJECT_CLASS_CHECK(DWC2Class, (klass), TYPE_DWC2_USB) | |
187 | #define DWC2_GET_CLASS(obj) \ | |
188 | OBJECT_GET_CLASS(DWC2Class, (obj), TYPE_DWC2_USB) | |
189 | ||
190 | #endif |