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1 | 94527ead | Gerd Hoffmann | /*
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2 | 94527ead | Gerd Hoffmann | * QEMU USB EHCI Emulation
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3 | 94527ead | Gerd Hoffmann | *
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4 | 94527ead | Gerd Hoffmann | * Copyright(c) 2008 Emutex Ltd. (address@hidden)
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5 | 94527ead | Gerd Hoffmann | *
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6 | 94527ead | Gerd Hoffmann | * EHCI project was started by Mark Burkley, with contributions by
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7 | 94527ead | Gerd Hoffmann | * Niels de Vos. David S. Ahern continued working on it. Kevin Wolf,
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8 | 94527ead | Gerd Hoffmann | * Jan Kiszka and Vincent Palatin contributed bugfixes.
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9 | 94527ead | Gerd Hoffmann | *
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10 | 94527ead | Gerd Hoffmann | *
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11 | 94527ead | Gerd Hoffmann | * This library is free software; you can redistribute it and/or
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12 | 94527ead | Gerd Hoffmann | * modify it under the terms of the GNU Lesser General Public
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13 | 94527ead | Gerd Hoffmann | * License as published by the Free Software Foundation; either
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14 | 94527ead | Gerd Hoffmann | * version 2 of the License, or(at your option) any later version.
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15 | 94527ead | Gerd Hoffmann | *
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16 | 94527ead | Gerd Hoffmann | * This library is distributed in the hope that it will be useful,
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17 | 94527ead | Gerd Hoffmann | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | 94527ead | Gerd Hoffmann | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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19 | 94527ead | Gerd Hoffmann | * Lesser General Public License for more details.
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20 | 94527ead | Gerd Hoffmann | *
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21 | 94527ead | Gerd Hoffmann | * You should have received a copy of the GNU General Public License
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22 | 94527ead | Gerd Hoffmann | * along with this program; if not, see <http://www.gnu.org/licenses/>.
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23 | 94527ead | Gerd Hoffmann | *
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24 | 94527ead | Gerd Hoffmann | * TODO:
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25 | 94527ead | Gerd Hoffmann | * o Downstream port handoff
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26 | 94527ead | Gerd Hoffmann | */
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27 | 94527ead | Gerd Hoffmann | |
28 | 94527ead | Gerd Hoffmann | #include "hw.h" |
29 | 94527ead | Gerd Hoffmann | #include "qemu-timer.h" |
30 | 94527ead | Gerd Hoffmann | #include "usb.h" |
31 | 94527ead | Gerd Hoffmann | #include "pci.h" |
32 | 94527ead | Gerd Hoffmann | #include "monitor.h" |
33 | 439a97cc | Gerd Hoffmann | #include "trace.h" |
34 | 94527ead | Gerd Hoffmann | |
35 | 94527ead | Gerd Hoffmann | #define EHCI_DEBUG 0 |
36 | 94527ead | Gerd Hoffmann | |
37 | 26d53979 | Gerd Hoffmann | #if EHCI_DEBUG
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38 | 94527ead | Gerd Hoffmann | #define DPRINTF printf
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39 | 94527ead | Gerd Hoffmann | #else
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40 | 94527ead | Gerd Hoffmann | #define DPRINTF(...)
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41 | 94527ead | Gerd Hoffmann | #endif
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42 | 94527ead | Gerd Hoffmann | |
43 | 94527ead | Gerd Hoffmann | /* internal processing - reset HC to try and recover */
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44 | 94527ead | Gerd Hoffmann | #define USB_RET_PROCERR (-99) |
45 | 94527ead | Gerd Hoffmann | |
46 | 94527ead | Gerd Hoffmann | #define MMIO_SIZE 0x1000 |
47 | 94527ead | Gerd Hoffmann | |
48 | 94527ead | Gerd Hoffmann | /* Capability Registers Base Address - section 2.2 */
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49 | 94527ead | Gerd Hoffmann | #define CAPREGBASE 0x0000 |
50 | 94527ead | Gerd Hoffmann | #define CAPLENGTH CAPREGBASE + 0x0000 // 1-byte, 0x0001 reserved |
51 | 94527ead | Gerd Hoffmann | #define HCIVERSION CAPREGBASE + 0x0002 // 2-bytes, i/f version # |
52 | 94527ead | Gerd Hoffmann | #define HCSPARAMS CAPREGBASE + 0x0004 // 4-bytes, structural params |
53 | 94527ead | Gerd Hoffmann | #define HCCPARAMS CAPREGBASE + 0x0008 // 4-bytes, capability params |
54 | 94527ead | Gerd Hoffmann | #define EECP HCCPARAMS + 1 |
55 | 94527ead | Gerd Hoffmann | #define HCSPPORTROUTE1 CAPREGBASE + 0x000c |
56 | 94527ead | Gerd Hoffmann | #define HCSPPORTROUTE2 CAPREGBASE + 0x0010 |
57 | 94527ead | Gerd Hoffmann | |
58 | 94527ead | Gerd Hoffmann | #define OPREGBASE 0x0020 // Operational Registers Base Address |
59 | 94527ead | Gerd Hoffmann | |
60 | 94527ead | Gerd Hoffmann | #define USBCMD OPREGBASE + 0x0000 |
61 | 94527ead | Gerd Hoffmann | #define USBCMD_RUNSTOP (1 << 0) // run / Stop |
62 | 94527ead | Gerd Hoffmann | #define USBCMD_HCRESET (1 << 1) // HC Reset |
63 | 94527ead | Gerd Hoffmann | #define USBCMD_FLS (3 << 2) // Frame List Size |
64 | 94527ead | Gerd Hoffmann | #define USBCMD_FLS_SH 2 // Frame List Size Shift |
65 | 94527ead | Gerd Hoffmann | #define USBCMD_PSE (1 << 4) // Periodic Schedule Enable |
66 | 94527ead | Gerd Hoffmann | #define USBCMD_ASE (1 << 5) // Asynch Schedule Enable |
67 | 94527ead | Gerd Hoffmann | #define USBCMD_IAAD (1 << 6) // Int Asynch Advance Doorbell |
68 | 94527ead | Gerd Hoffmann | #define USBCMD_LHCR (1 << 7) // Light Host Controller Reset |
69 | 94527ead | Gerd Hoffmann | #define USBCMD_ASPMC (3 << 8) // Async Sched Park Mode Count |
70 | 94527ead | Gerd Hoffmann | #define USBCMD_ASPME (1 << 11) // Async Sched Park Mode Enable |
71 | 94527ead | Gerd Hoffmann | #define USBCMD_ITC (0x7f << 16) // Int Threshold Control |
72 | 94527ead | Gerd Hoffmann | #define USBCMD_ITC_SH 16 // Int Threshold Control Shift |
73 | 94527ead | Gerd Hoffmann | |
74 | 94527ead | Gerd Hoffmann | #define USBSTS OPREGBASE + 0x0004 |
75 | 94527ead | Gerd Hoffmann | #define USBSTS_RO_MASK 0x0000003f |
76 | 94527ead | Gerd Hoffmann | #define USBSTS_INT (1 << 0) // USB Interrupt |
77 | 94527ead | Gerd Hoffmann | #define USBSTS_ERRINT (1 << 1) // Error Interrupt |
78 | 94527ead | Gerd Hoffmann | #define USBSTS_PCD (1 << 2) // Port Change Detect |
79 | 94527ead | Gerd Hoffmann | #define USBSTS_FLR (1 << 3) // Frame List Rollover |
80 | 94527ead | Gerd Hoffmann | #define USBSTS_HSE (1 << 4) // Host System Error |
81 | 94527ead | Gerd Hoffmann | #define USBSTS_IAA (1 << 5) // Interrupt on Async Advance |
82 | 94527ead | Gerd Hoffmann | #define USBSTS_HALT (1 << 12) // HC Halted |
83 | 94527ead | Gerd Hoffmann | #define USBSTS_REC (1 << 13) // Reclamation |
84 | 94527ead | Gerd Hoffmann | #define USBSTS_PSS (1 << 14) // Periodic Schedule Status |
85 | 94527ead | Gerd Hoffmann | #define USBSTS_ASS (1 << 15) // Asynchronous Schedule Status |
86 | 94527ead | Gerd Hoffmann | |
87 | 94527ead | Gerd Hoffmann | /*
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88 | 94527ead | Gerd Hoffmann | * Interrupt enable bits correspond to the interrupt active bits in USBSTS
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89 | 94527ead | Gerd Hoffmann | * so no need to redefine here.
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90 | 94527ead | Gerd Hoffmann | */
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91 | 94527ead | Gerd Hoffmann | #define USBINTR OPREGBASE + 0x0008 |
92 | 94527ead | Gerd Hoffmann | #define USBINTR_MASK 0x0000003f |
93 | 94527ead | Gerd Hoffmann | |
94 | 94527ead | Gerd Hoffmann | #define FRINDEX OPREGBASE + 0x000c |
95 | 94527ead | Gerd Hoffmann | #define CTRLDSSEGMENT OPREGBASE + 0x0010 |
96 | 94527ead | Gerd Hoffmann | #define PERIODICLISTBASE OPREGBASE + 0x0014 |
97 | 94527ead | Gerd Hoffmann | #define ASYNCLISTADDR OPREGBASE + 0x0018 |
98 | 94527ead | Gerd Hoffmann | #define ASYNCLISTADDR_MASK 0xffffffe0 |
99 | 94527ead | Gerd Hoffmann | |
100 | 94527ead | Gerd Hoffmann | #define CONFIGFLAG OPREGBASE + 0x0040 |
101 | 94527ead | Gerd Hoffmann | |
102 | 94527ead | Gerd Hoffmann | #define PORTSC (OPREGBASE + 0x0044) |
103 | 94527ead | Gerd Hoffmann | #define PORTSC_BEGIN PORTSC
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104 | 94527ead | Gerd Hoffmann | #define PORTSC_END (PORTSC + 4 * NB_PORTS) |
105 | 94527ead | Gerd Hoffmann | /*
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106 | 94527ead | Gerd Hoffmann | * Bits that are reserverd or are read-only are masked out of values
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107 | 94527ead | Gerd Hoffmann | * written to us by software
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108 | 94527ead | Gerd Hoffmann | */
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109 | 94527ead | Gerd Hoffmann | #define PORTSC_RO_MASK 0x007021c5 |
110 | 94527ead | Gerd Hoffmann | #define PORTSC_RWC_MASK 0x0000002a |
111 | 94527ead | Gerd Hoffmann | #define PORTSC_WKOC_E (1 << 22) // Wake on Over Current Enable |
112 | 94527ead | Gerd Hoffmann | #define PORTSC_WKDS_E (1 << 21) // Wake on Disconnect Enable |
113 | 94527ead | Gerd Hoffmann | #define PORTSC_WKCN_E (1 << 20) // Wake on Connect Enable |
114 | 94527ead | Gerd Hoffmann | #define PORTSC_PTC (15 << 16) // Port Test Control |
115 | 94527ead | Gerd Hoffmann | #define PORTSC_PTC_SH 16 // Port Test Control shift |
116 | 94527ead | Gerd Hoffmann | #define PORTSC_PIC (3 << 14) // Port Indicator Control |
117 | 94527ead | Gerd Hoffmann | #define PORTSC_PIC_SH 14 // Port Indicator Control Shift |
118 | 94527ead | Gerd Hoffmann | #define PORTSC_POWNER (1 << 13) // Port Owner |
119 | 94527ead | Gerd Hoffmann | #define PORTSC_PPOWER (1 << 12) // Port Power |
120 | 94527ead | Gerd Hoffmann | #define PORTSC_LINESTAT (3 << 10) // Port Line Status |
121 | 94527ead | Gerd Hoffmann | #define PORTSC_LINESTAT_SH 10 // Port Line Status Shift |
122 | 94527ead | Gerd Hoffmann | #define PORTSC_PRESET (1 << 8) // Port Reset |
123 | 94527ead | Gerd Hoffmann | #define PORTSC_SUSPEND (1 << 7) // Port Suspend |
124 | 94527ead | Gerd Hoffmann | #define PORTSC_FPRES (1 << 6) // Force Port Resume |
125 | 94527ead | Gerd Hoffmann | #define PORTSC_OCC (1 << 5) // Over Current Change |
126 | 94527ead | Gerd Hoffmann | #define PORTSC_OCA (1 << 4) // Over Current Active |
127 | 94527ead | Gerd Hoffmann | #define PORTSC_PEDC (1 << 3) // Port Enable/Disable Change |
128 | 94527ead | Gerd Hoffmann | #define PORTSC_PED (1 << 2) // Port Enable/Disable |
129 | 94527ead | Gerd Hoffmann | #define PORTSC_CSC (1 << 1) // Connect Status Change |
130 | 94527ead | Gerd Hoffmann | #define PORTSC_CONNECT (1 << 0) // Current Connect Status |
131 | 94527ead | Gerd Hoffmann | |
132 | 94527ead | Gerd Hoffmann | #define FRAME_TIMER_FREQ 1000 |
133 | 94527ead | Gerd Hoffmann | #define FRAME_TIMER_USEC (1000000 / FRAME_TIMER_FREQ) |
134 | 94527ead | Gerd Hoffmann | |
135 | 94527ead | Gerd Hoffmann | #define NB_MAXINTRATE 8 // Max rate at which controller issues ints |
136 | 94527ead | Gerd Hoffmann | #define NB_PORTS 4 // Number of downstream ports |
137 | 94527ead | Gerd Hoffmann | #define BUFF_SIZE 5*4096 // Max bytes to transfer per transaction |
138 | 94527ead | Gerd Hoffmann | #define MAX_ITERATIONS 20 // Max number of QH before we break the loop |
139 | 94527ead | Gerd Hoffmann | #define MAX_QH 100 // Max allowable queue heads in a chain |
140 | 94527ead | Gerd Hoffmann | |
141 | 94527ead | Gerd Hoffmann | /* Internal periodic / asynchronous schedule state machine states
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142 | 94527ead | Gerd Hoffmann | */
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143 | 94527ead | Gerd Hoffmann | typedef enum { |
144 | 94527ead | Gerd Hoffmann | EST_INACTIVE = 1000,
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145 | 94527ead | Gerd Hoffmann | EST_ACTIVE, |
146 | 94527ead | Gerd Hoffmann | EST_EXECUTING, |
147 | 94527ead | Gerd Hoffmann | EST_SLEEPING, |
148 | 94527ead | Gerd Hoffmann | /* The following states are internal to the state machine function
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149 | 94527ead | Gerd Hoffmann | */
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150 | 94527ead | Gerd Hoffmann | EST_WAITLISTHEAD, |
151 | 94527ead | Gerd Hoffmann | EST_FETCHENTRY, |
152 | 94527ead | Gerd Hoffmann | EST_FETCHQH, |
153 | 94527ead | Gerd Hoffmann | EST_FETCHITD, |
154 | 94527ead | Gerd Hoffmann | EST_ADVANCEQUEUE, |
155 | 94527ead | Gerd Hoffmann | EST_FETCHQTD, |
156 | 94527ead | Gerd Hoffmann | EST_EXECUTE, |
157 | 94527ead | Gerd Hoffmann | EST_WRITEBACK, |
158 | 94527ead | Gerd Hoffmann | EST_HORIZONTALQH |
159 | 94527ead | Gerd Hoffmann | } EHCI_STATES; |
160 | 94527ead | Gerd Hoffmann | |
161 | 94527ead | Gerd Hoffmann | /* macros for accessing fields within next link pointer entry */
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162 | 94527ead | Gerd Hoffmann | #define NLPTR_GET(x) ((x) & 0xffffffe0) |
163 | 94527ead | Gerd Hoffmann | #define NLPTR_TYPE_GET(x) (((x) >> 1) & 3) |
164 | 94527ead | Gerd Hoffmann | #define NLPTR_TBIT(x) ((x) & 1) // 1=invalid, 0=valid |
165 | 94527ead | Gerd Hoffmann | |
166 | 94527ead | Gerd Hoffmann | /* link pointer types */
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167 | 94527ead | Gerd Hoffmann | #define NLPTR_TYPE_ITD 0 // isoc xfer descriptor |
168 | 94527ead | Gerd Hoffmann | #define NLPTR_TYPE_QH 1 // queue head |
169 | 94527ead | Gerd Hoffmann | #define NLPTR_TYPE_STITD 2 // split xaction, isoc xfer descriptor |
170 | 94527ead | Gerd Hoffmann | #define NLPTR_TYPE_FSTN 3 // frame span traversal node |
171 | 94527ead | Gerd Hoffmann | |
172 | 94527ead | Gerd Hoffmann | |
173 | 94527ead | Gerd Hoffmann | /* EHCI spec version 1.0 Section 3.3
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174 | 94527ead | Gerd Hoffmann | */
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175 | 94527ead | Gerd Hoffmann | typedef struct EHCIitd { |
176 | 94527ead | Gerd Hoffmann | uint32_t next; |
177 | 94527ead | Gerd Hoffmann | |
178 | 94527ead | Gerd Hoffmann | uint32_t transact[8];
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179 | 94527ead | Gerd Hoffmann | #define ITD_XACT_ACTIVE (1 << 31) |
180 | 94527ead | Gerd Hoffmann | #define ITD_XACT_DBERROR (1 << 30) |
181 | 94527ead | Gerd Hoffmann | #define ITD_XACT_BABBLE (1 << 29) |
182 | 94527ead | Gerd Hoffmann | #define ITD_XACT_XACTERR (1 << 28) |
183 | 94527ead | Gerd Hoffmann | #define ITD_XACT_LENGTH_MASK 0x0fff0000 |
184 | 94527ead | Gerd Hoffmann | #define ITD_XACT_LENGTH_SH 16 |
185 | 94527ead | Gerd Hoffmann | #define ITD_XACT_IOC (1 << 15) |
186 | 94527ead | Gerd Hoffmann | #define ITD_XACT_PGSEL_MASK 0x00007000 |
187 | 94527ead | Gerd Hoffmann | #define ITD_XACT_PGSEL_SH 12 |
188 | 94527ead | Gerd Hoffmann | #define ITD_XACT_OFFSET_MASK 0x00000fff |
189 | 94527ead | Gerd Hoffmann | |
190 | 94527ead | Gerd Hoffmann | uint32_t bufptr[7];
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191 | 94527ead | Gerd Hoffmann | #define ITD_BUFPTR_MASK 0xfffff000 |
192 | 94527ead | Gerd Hoffmann | #define ITD_BUFPTR_SH 12 |
193 | 94527ead | Gerd Hoffmann | #define ITD_BUFPTR_EP_MASK 0x00000f00 |
194 | 94527ead | Gerd Hoffmann | #define ITD_BUFPTR_EP_SH 8 |
195 | 94527ead | Gerd Hoffmann | #define ITD_BUFPTR_DEVADDR_MASK 0x0000007f |
196 | 94527ead | Gerd Hoffmann | #define ITD_BUFPTR_DEVADDR_SH 0 |
197 | 94527ead | Gerd Hoffmann | #define ITD_BUFPTR_DIRECTION (1 << 11) |
198 | 94527ead | Gerd Hoffmann | #define ITD_BUFPTR_MAXPKT_MASK 0x000007ff |
199 | 94527ead | Gerd Hoffmann | #define ITD_BUFPTR_MAXPKT_SH 0 |
200 | 94527ead | Gerd Hoffmann | #define ITD_BUFPTR_MULT_MASK 0x00000003 |
201 | 94527ead | Gerd Hoffmann | } EHCIitd; |
202 | 94527ead | Gerd Hoffmann | |
203 | 94527ead | Gerd Hoffmann | /* EHCI spec version 1.0 Section 3.4
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204 | 94527ead | Gerd Hoffmann | */
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205 | 94527ead | Gerd Hoffmann | typedef struct EHCIsitd { |
206 | 94527ead | Gerd Hoffmann | uint32_t next; // Standard next link pointer
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207 | 94527ead | Gerd Hoffmann | uint32_t epchar; |
208 | 94527ead | Gerd Hoffmann | #define SITD_EPCHAR_IO (1 << 31) |
209 | 94527ead | Gerd Hoffmann | #define SITD_EPCHAR_PORTNUM_MASK 0x7f000000 |
210 | 94527ead | Gerd Hoffmann | #define SITD_EPCHAR_PORTNUM_SH 24 |
211 | 94527ead | Gerd Hoffmann | #define SITD_EPCHAR_HUBADD_MASK 0x007f0000 |
212 | 94527ead | Gerd Hoffmann | #define SITD_EPCHAR_HUBADDR_SH 16 |
213 | 94527ead | Gerd Hoffmann | #define SITD_EPCHAR_EPNUM_MASK 0x00000f00 |
214 | 94527ead | Gerd Hoffmann | #define SITD_EPCHAR_EPNUM_SH 8 |
215 | 94527ead | Gerd Hoffmann | #define SITD_EPCHAR_DEVADDR_MASK 0x0000007f |
216 | 94527ead | Gerd Hoffmann | |
217 | 94527ead | Gerd Hoffmann | uint32_t uframe; |
218 | 94527ead | Gerd Hoffmann | #define SITD_UFRAME_CMASK_MASK 0x0000ff00 |
219 | 94527ead | Gerd Hoffmann | #define SITD_UFRAME_CMASK_SH 8 |
220 | 94527ead | Gerd Hoffmann | #define SITD_UFRAME_SMASK_MASK 0x000000ff |
221 | 94527ead | Gerd Hoffmann | |
222 | 94527ead | Gerd Hoffmann | uint32_t results; |
223 | 94527ead | Gerd Hoffmann | #define SITD_RESULTS_IOC (1 << 31) |
224 | 94527ead | Gerd Hoffmann | #define SITD_RESULTS_PGSEL (1 << 30) |
225 | 94527ead | Gerd Hoffmann | #define SITD_RESULTS_TBYTES_MASK 0x03ff0000 |
226 | 94527ead | Gerd Hoffmann | #define SITD_RESULTS_TYBYTES_SH 16 |
227 | 94527ead | Gerd Hoffmann | #define SITD_RESULTS_CPROGMASK_MASK 0x0000ff00 |
228 | 94527ead | Gerd Hoffmann | #define SITD_RESULTS_CPROGMASK_SH 8 |
229 | 94527ead | Gerd Hoffmann | #define SITD_RESULTS_ACTIVE (1 << 7) |
230 | 94527ead | Gerd Hoffmann | #define SITD_RESULTS_ERR (1 << 6) |
231 | 94527ead | Gerd Hoffmann | #define SITD_RESULTS_DBERR (1 << 5) |
232 | 94527ead | Gerd Hoffmann | #define SITD_RESULTS_BABBLE (1 << 4) |
233 | 94527ead | Gerd Hoffmann | #define SITD_RESULTS_XACTERR (1 << 3) |
234 | 94527ead | Gerd Hoffmann | #define SITD_RESULTS_MISSEDUF (1 << 2) |
235 | 94527ead | Gerd Hoffmann | #define SITD_RESULTS_SPLITXSTATE (1 << 1) |
236 | 94527ead | Gerd Hoffmann | |
237 | 94527ead | Gerd Hoffmann | uint32_t bufptr[2];
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238 | 94527ead | Gerd Hoffmann | #define SITD_BUFPTR_MASK 0xfffff000 |
239 | 94527ead | Gerd Hoffmann | #define SITD_BUFPTR_CURROFF_MASK 0x00000fff |
240 | 94527ead | Gerd Hoffmann | #define SITD_BUFPTR_TPOS_MASK 0x00000018 |
241 | 94527ead | Gerd Hoffmann | #define SITD_BUFPTR_TPOS_SH 3 |
242 | 94527ead | Gerd Hoffmann | #define SITD_BUFPTR_TCNT_MASK 0x00000007 |
243 | 94527ead | Gerd Hoffmann | |
244 | 94527ead | Gerd Hoffmann | uint32_t backptr; // Standard next link pointer
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245 | 94527ead | Gerd Hoffmann | } EHCIsitd; |
246 | 94527ead | Gerd Hoffmann | |
247 | 94527ead | Gerd Hoffmann | /* EHCI spec version 1.0 Section 3.5
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248 | 94527ead | Gerd Hoffmann | */
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249 | 94527ead | Gerd Hoffmann | typedef struct EHCIqtd { |
250 | 94527ead | Gerd Hoffmann | uint32_t next; // Standard next link pointer
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251 | 94527ead | Gerd Hoffmann | uint32_t altnext; // Standard next link pointer
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252 | 94527ead | Gerd Hoffmann | uint32_t token; |
253 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_DTOGGLE (1 << 31) |
254 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_TBYTES_MASK 0x7fff0000 |
255 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_TBYTES_SH 16 |
256 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_IOC (1 << 15) |
257 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_CPAGE_MASK 0x00007000 |
258 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_CPAGE_SH 12 |
259 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_CERR_MASK 0x00000c00 |
260 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_CERR_SH 10 |
261 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_PID_MASK 0x00000300 |
262 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_PID_SH 8 |
263 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_ACTIVE (1 << 7) |
264 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_HALT (1 << 6) |
265 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_DBERR (1 << 5) |
266 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_BABBLE (1 << 4) |
267 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_XACTERR (1 << 3) |
268 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_MISSEDUF (1 << 2) |
269 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_SPLITXSTATE (1 << 1) |
270 | 94527ead | Gerd Hoffmann | #define QTD_TOKEN_PING (1 << 0) |
271 | 94527ead | Gerd Hoffmann | |
272 | 94527ead | Gerd Hoffmann | uint32_t bufptr[5]; // Standard buffer pointer |
273 | 94527ead | Gerd Hoffmann | #define QTD_BUFPTR_MASK 0xfffff000 |
274 | 94527ead | Gerd Hoffmann | } EHCIqtd; |
275 | 94527ead | Gerd Hoffmann | |
276 | 94527ead | Gerd Hoffmann | /* EHCI spec version 1.0 Section 3.6
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277 | 94527ead | Gerd Hoffmann | */
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278 | 94527ead | Gerd Hoffmann | typedef struct EHCIqh { |
279 | 94527ead | Gerd Hoffmann | uint32_t next; // Standard next link pointer
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280 | 94527ead | Gerd Hoffmann | |
281 | 94527ead | Gerd Hoffmann | /* endpoint characteristics */
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282 | 94527ead | Gerd Hoffmann | uint32_t epchar; |
283 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_RL_MASK 0xf0000000 |
284 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_RL_SH 28 |
285 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_C (1 << 27) |
286 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_MPLEN_MASK 0x07FF0000 |
287 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_MPLEN_SH 16 |
288 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_H (1 << 15) |
289 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_DTC (1 << 14) |
290 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_EPS_MASK 0x00003000 |
291 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_EPS_SH 12 |
292 | 94527ead | Gerd Hoffmann | #define EHCI_QH_EPS_FULL 0 |
293 | 94527ead | Gerd Hoffmann | #define EHCI_QH_EPS_LOW 1 |
294 | 94527ead | Gerd Hoffmann | #define EHCI_QH_EPS_HIGH 2 |
295 | 94527ead | Gerd Hoffmann | #define EHCI_QH_EPS_RESERVED 3 |
296 | 94527ead | Gerd Hoffmann | |
297 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_EP_MASK 0x00000f00 |
298 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_EP_SH 8 |
299 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_I (1 << 7) |
300 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_DEVADDR_MASK 0x0000007f |
301 | 94527ead | Gerd Hoffmann | #define QH_EPCHAR_DEVADDR_SH 0 |
302 | 94527ead | Gerd Hoffmann | |
303 | 94527ead | Gerd Hoffmann | /* endpoint capabilities */
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304 | 94527ead | Gerd Hoffmann | uint32_t epcap; |
305 | 94527ead | Gerd Hoffmann | #define QH_EPCAP_MULT_MASK 0xc0000000 |
306 | 94527ead | Gerd Hoffmann | #define QH_EPCAP_MULT_SH 30 |
307 | 94527ead | Gerd Hoffmann | #define QH_EPCAP_PORTNUM_MASK 0x3f800000 |
308 | 94527ead | Gerd Hoffmann | #define QH_EPCAP_PORTNUM_SH 23 |
309 | 94527ead | Gerd Hoffmann | #define QH_EPCAP_HUBADDR_MASK 0x007f0000 |
310 | 94527ead | Gerd Hoffmann | #define QH_EPCAP_HUBADDR_SH 16 |
311 | 94527ead | Gerd Hoffmann | #define QH_EPCAP_CMASK_MASK 0x0000ff00 |
312 | 94527ead | Gerd Hoffmann | #define QH_EPCAP_CMASK_SH 8 |
313 | 94527ead | Gerd Hoffmann | #define QH_EPCAP_SMASK_MASK 0x000000ff |
314 | 94527ead | Gerd Hoffmann | #define QH_EPCAP_SMASK_SH 0 |
315 | 94527ead | Gerd Hoffmann | |
316 | 94527ead | Gerd Hoffmann | uint32_t current_qtd; // Standard next link pointer
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317 | 94527ead | Gerd Hoffmann | uint32_t next_qtd; // Standard next link pointer
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318 | 94527ead | Gerd Hoffmann | uint32_t altnext_qtd; |
319 | 94527ead | Gerd Hoffmann | #define QH_ALTNEXT_NAKCNT_MASK 0x0000001e |
320 | 94527ead | Gerd Hoffmann | #define QH_ALTNEXT_NAKCNT_SH 1 |
321 | 94527ead | Gerd Hoffmann | |
322 | 94527ead | Gerd Hoffmann | uint32_t token; // Same as QTD token
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323 | 94527ead | Gerd Hoffmann | uint32_t bufptr[5]; // Standard buffer pointer |
324 | 94527ead | Gerd Hoffmann | #define BUFPTR_CPROGMASK_MASK 0x000000ff |
325 | 94527ead | Gerd Hoffmann | #define BUFPTR_FRAMETAG_MASK 0x0000001f |
326 | 94527ead | Gerd Hoffmann | #define BUFPTR_SBYTES_MASK 0x00000fe0 |
327 | 94527ead | Gerd Hoffmann | #define BUFPTR_SBYTES_SH 5 |
328 | 94527ead | Gerd Hoffmann | } EHCIqh; |
329 | 94527ead | Gerd Hoffmann | |
330 | 94527ead | Gerd Hoffmann | /* EHCI spec version 1.0 Section 3.7
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331 | 94527ead | Gerd Hoffmann | */
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332 | 94527ead | Gerd Hoffmann | typedef struct EHCIfstn { |
333 | 94527ead | Gerd Hoffmann | uint32_t next; // Standard next link pointer
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334 | 94527ead | Gerd Hoffmann | uint32_t backptr; // Standard next link pointer
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335 | 94527ead | Gerd Hoffmann | } EHCIfstn; |
336 | 94527ead | Gerd Hoffmann | |
337 | 0122f472 | Gerd Hoffmann | typedef struct EHCIQueue EHCIQueue; |
338 | 0122f472 | Gerd Hoffmann | typedef struct EHCIState EHCIState; |
339 | 0122f472 | Gerd Hoffmann | |
340 | 0122f472 | Gerd Hoffmann | enum async_state {
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341 | 0122f472 | Gerd Hoffmann | EHCI_ASYNC_NONE = 0,
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342 | 0122f472 | Gerd Hoffmann | EHCI_ASYNC_INFLIGHT, |
343 | 0122f472 | Gerd Hoffmann | EHCI_ASYNC_FINISHED, |
344 | 0122f472 | Gerd Hoffmann | }; |
345 | 0122f472 | Gerd Hoffmann | |
346 | 0122f472 | Gerd Hoffmann | struct EHCIQueue {
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347 | 0122f472 | Gerd Hoffmann | EHCIState *ehci; |
348 | 8ac6d699 | Gerd Hoffmann | QTAILQ_ENTRY(EHCIQueue) next; |
349 | 8ac6d699 | Gerd Hoffmann | bool async_schedule;
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350 | 8ac6d699 | Gerd Hoffmann | uint32_t seen, ts; |
351 | 0122f472 | Gerd Hoffmann | |
352 | 0122f472 | Gerd Hoffmann | /* cached data from guest - needs to be flushed
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353 | 0122f472 | Gerd Hoffmann | * when guest removes an entry (doorbell, handshake sequence)
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354 | 0122f472 | Gerd Hoffmann | */
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355 | 0122f472 | Gerd Hoffmann | EHCIqh qh; // copy of current QH (being worked on)
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356 | 0122f472 | Gerd Hoffmann | uint32_t qhaddr; // address QH read from
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357 | 0122f472 | Gerd Hoffmann | EHCIqtd qtd; // copy of current QTD (being worked on)
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358 | 0122f472 | Gerd Hoffmann | uint32_t qtdaddr; // address QTD read from
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359 | 0122f472 | Gerd Hoffmann | |
360 | 0122f472 | Gerd Hoffmann | USBPacket packet; |
361 | 0122f472 | Gerd Hoffmann | uint8_t buffer[BUFF_SIZE]; |
362 | 0122f472 | Gerd Hoffmann | int pid;
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363 | 0122f472 | Gerd Hoffmann | uint32_t tbytes; |
364 | 0122f472 | Gerd Hoffmann | enum async_state async;
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365 | 0122f472 | Gerd Hoffmann | int usb_status;
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366 | 0122f472 | Gerd Hoffmann | }; |
367 | 0122f472 | Gerd Hoffmann | |
368 | 0122f472 | Gerd Hoffmann | struct EHCIState {
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369 | 94527ead | Gerd Hoffmann | PCIDevice dev; |
370 | 0122f472 | Gerd Hoffmann | USBBus bus; |
371 | 94527ead | Gerd Hoffmann | qemu_irq irq; |
372 | 94527ead | Gerd Hoffmann | target_phys_addr_t mem_base; |
373 | 94527ead | Gerd Hoffmann | int mem;
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374 | 94527ead | Gerd Hoffmann | int num_ports;
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375 | 94527ead | Gerd Hoffmann | /*
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376 | 94527ead | Gerd Hoffmann | * EHCI spec version 1.0 Section 2.3
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377 | 94527ead | Gerd Hoffmann | * Host Controller Operational Registers
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378 | 94527ead | Gerd Hoffmann | */
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379 | 94527ead | Gerd Hoffmann | union {
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380 | 94527ead | Gerd Hoffmann | uint8_t mmio[MMIO_SIZE]; |
381 | 94527ead | Gerd Hoffmann | struct {
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382 | 94527ead | Gerd Hoffmann | uint8_t cap[OPREGBASE]; |
383 | 94527ead | Gerd Hoffmann | uint32_t usbcmd; |
384 | 94527ead | Gerd Hoffmann | uint32_t usbsts; |
385 | 94527ead | Gerd Hoffmann | uint32_t usbintr; |
386 | 94527ead | Gerd Hoffmann | uint32_t frindex; |
387 | 94527ead | Gerd Hoffmann | uint32_t ctrldssegment; |
388 | 94527ead | Gerd Hoffmann | uint32_t periodiclistbase; |
389 | 94527ead | Gerd Hoffmann | uint32_t asynclistaddr; |
390 | 94527ead | Gerd Hoffmann | uint32_t notused[9];
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391 | 94527ead | Gerd Hoffmann | uint32_t configflag; |
392 | 94527ead | Gerd Hoffmann | uint32_t portsc[NB_PORTS]; |
393 | 94527ead | Gerd Hoffmann | }; |
394 | 94527ead | Gerd Hoffmann | }; |
395 | 0122f472 | Gerd Hoffmann | |
396 | 94527ead | Gerd Hoffmann | /*
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397 | 94527ead | Gerd Hoffmann | * Internal states, shadow registers, etc
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398 | 94527ead | Gerd Hoffmann | */
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399 | 94527ead | Gerd Hoffmann | uint32_t sofv; |
400 | 94527ead | Gerd Hoffmann | QEMUTimer *frame_timer; |
401 | 94527ead | Gerd Hoffmann | int attach_poll_counter;
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402 | 94527ead | Gerd Hoffmann | int astate; // Current state in asynchronous schedule |
403 | 94527ead | Gerd Hoffmann | int pstate; // Current state in periodic schedule |
404 | 94527ead | Gerd Hoffmann | USBPort ports[NB_PORTS]; |
405 | 94527ead | Gerd Hoffmann | uint32_t usbsts_pending; |
406 | 8ac6d699 | Gerd Hoffmann | QTAILQ_HEAD(, EHCIQueue) queues; |
407 | 94527ead | Gerd Hoffmann | |
408 | 0122f472 | Gerd Hoffmann | uint32_t a_fetch_addr; // which address to look at next
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409 | 0122f472 | Gerd Hoffmann | uint32_t p_fetch_addr; // which address to look at next
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410 | 94527ead | Gerd Hoffmann | |
411 | 0122f472 | Gerd Hoffmann | USBPacket ipacket; |
412 | 0122f472 | Gerd Hoffmann | uint8_t ibuffer[BUFF_SIZE]; |
413 | 94527ead | Gerd Hoffmann | int isoch_pause;
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414 | 0122f472 | Gerd Hoffmann | |
415 | 94527ead | Gerd Hoffmann | uint32_t last_run_usec; |
416 | 94527ead | Gerd Hoffmann | uint32_t frame_end_usec; |
417 | 0122f472 | Gerd Hoffmann | }; |
418 | 94527ead | Gerd Hoffmann | |
419 | 94527ead | Gerd Hoffmann | #define SET_LAST_RUN_CLOCK(s) \
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420 | 94527ead | Gerd Hoffmann | (s)->last_run_usec = qemu_get_clock_ns(vm_clock) / 1000;
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421 | 94527ead | Gerd Hoffmann | |
422 | 94527ead | Gerd Hoffmann | /* nifty macros from Arnon's EHCI version */
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423 | 94527ead | Gerd Hoffmann | #define get_field(data, field) \
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424 | 94527ead | Gerd Hoffmann | (((data) & field##_MASK) >> field##_SH) |
425 | 94527ead | Gerd Hoffmann | |
426 | 94527ead | Gerd Hoffmann | #define set_field(data, newval, field) do { \ |
427 | 94527ead | Gerd Hoffmann | uint32_t val = *data; \ |
428 | 94527ead | Gerd Hoffmann | val &= ~ field##_MASK; \ |
429 | 94527ead | Gerd Hoffmann | val |= ((newval) << field##_SH) & field##_MASK; \ |
430 | 94527ead | Gerd Hoffmann | *data = val; \ |
431 | 94527ead | Gerd Hoffmann | } while(0) |
432 | 94527ead | Gerd Hoffmann | |
433 | 26d53979 | Gerd Hoffmann | static const char *ehci_state_names[] = { |
434 | 26d53979 | Gerd Hoffmann | [ EST_INACTIVE ] = "INACTIVE",
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435 | 26d53979 | Gerd Hoffmann | [ EST_ACTIVE ] = "ACTIVE",
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436 | 26d53979 | Gerd Hoffmann | [ EST_EXECUTING ] = "EXECUTING",
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437 | 26d53979 | Gerd Hoffmann | [ EST_SLEEPING ] = "SLEEPING",
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438 | 26d53979 | Gerd Hoffmann | [ EST_WAITLISTHEAD ] = "WAITLISTHEAD",
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439 | 26d53979 | Gerd Hoffmann | [ EST_FETCHENTRY ] = "FETCH ENTRY",
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440 | 26d53979 | Gerd Hoffmann | [ EST_FETCHQH ] = "FETCH QH",
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441 | 26d53979 | Gerd Hoffmann | [ EST_FETCHITD ] = "FETCH ITD",
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442 | 26d53979 | Gerd Hoffmann | [ EST_ADVANCEQUEUE ] = "ADVANCEQUEUE",
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443 | 26d53979 | Gerd Hoffmann | [ EST_FETCHQTD ] = "FETCH QTD",
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444 | 26d53979 | Gerd Hoffmann | [ EST_EXECUTE ] = "EXECUTE",
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445 | 26d53979 | Gerd Hoffmann | [ EST_WRITEBACK ] = "WRITEBACK",
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446 | 26d53979 | Gerd Hoffmann | [ EST_HORIZONTALQH ] = "HORIZONTALQH",
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447 | 26d53979 | Gerd Hoffmann | }; |
448 | 26d53979 | Gerd Hoffmann | |
449 | 26d53979 | Gerd Hoffmann | static const char *ehci_mmio_names[] = { |
450 | 26d53979 | Gerd Hoffmann | [ CAPLENGTH ] = "CAPLENGTH",
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451 | 26d53979 | Gerd Hoffmann | [ HCIVERSION ] = "HCIVERSION",
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452 | 26d53979 | Gerd Hoffmann | [ HCSPARAMS ] = "HCSPARAMS",
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453 | 26d53979 | Gerd Hoffmann | [ HCCPARAMS ] = "HCCPARAMS",
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454 | 26d53979 | Gerd Hoffmann | [ USBCMD ] = "USBCMD",
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455 | 26d53979 | Gerd Hoffmann | [ USBSTS ] = "USBSTS",
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456 | 26d53979 | Gerd Hoffmann | [ USBINTR ] = "USBINTR",
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457 | 26d53979 | Gerd Hoffmann | [ FRINDEX ] = "FRINDEX",
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458 | 26d53979 | Gerd Hoffmann | [ PERIODICLISTBASE ] = "P-LIST BASE",
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459 | 26d53979 | Gerd Hoffmann | [ ASYNCLISTADDR ] = "A-LIST ADDR",
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460 | 26d53979 | Gerd Hoffmann | [ PORTSC_BEGIN ] = "PORTSC #0",
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461 | 26d53979 | Gerd Hoffmann | [ PORTSC_BEGIN + 4] = "PORTSC #1", |
462 | 26d53979 | Gerd Hoffmann | [ PORTSC_BEGIN + 8] = "PORTSC #2", |
463 | 26d53979 | Gerd Hoffmann | [ PORTSC_BEGIN + 12] = "PORTSC #3", |
464 | 26d53979 | Gerd Hoffmann | [ CONFIGFLAG ] = "CONFIGFLAG",
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465 | 26d53979 | Gerd Hoffmann | }; |
466 | 94527ead | Gerd Hoffmann | |
467 | 26d53979 | Gerd Hoffmann | static const char *nr2str(const char **n, size_t len, uint32_t nr) |
468 | 94527ead | Gerd Hoffmann | { |
469 | 26d53979 | Gerd Hoffmann | if (nr < len && n[nr] != NULL) { |
470 | 26d53979 | Gerd Hoffmann | return n[nr];
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471 | 94527ead | Gerd Hoffmann | } else {
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472 | 26d53979 | Gerd Hoffmann | return "unknown"; |
473 | 94527ead | Gerd Hoffmann | } |
474 | 94527ead | Gerd Hoffmann | } |
475 | 94527ead | Gerd Hoffmann | |
476 | 26d53979 | Gerd Hoffmann | static const char *state2str(uint32_t state) |
477 | 26d53979 | Gerd Hoffmann | { |
478 | 26d53979 | Gerd Hoffmann | return nr2str(ehci_state_names, ARRAY_SIZE(ehci_state_names), state);
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479 | 26d53979 | Gerd Hoffmann | } |
480 | 26d53979 | Gerd Hoffmann | |
481 | 26d53979 | Gerd Hoffmann | static const char *addr2str(target_phys_addr_t addr) |
482 | 26d53979 | Gerd Hoffmann | { |
483 | 26d53979 | Gerd Hoffmann | return nr2str(ehci_mmio_names, ARRAY_SIZE(ehci_mmio_names), addr);
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484 | 26d53979 | Gerd Hoffmann | } |
485 | 26d53979 | Gerd Hoffmann | |
486 | 439a97cc | Gerd Hoffmann | static void ehci_trace_usbsts(uint32_t mask, int state) |
487 | 439a97cc | Gerd Hoffmann | { |
488 | 439a97cc | Gerd Hoffmann | /* interrupts */
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489 | 439a97cc | Gerd Hoffmann | if (mask & USBSTS_INT) {
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490 | 439a97cc | Gerd Hoffmann | trace_usb_ehci_usbsts("INT", state);
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491 | 439a97cc | Gerd Hoffmann | } |
492 | 439a97cc | Gerd Hoffmann | if (mask & USBSTS_ERRINT) {
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493 | 439a97cc | Gerd Hoffmann | trace_usb_ehci_usbsts("ERRINT", state);
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494 | 439a97cc | Gerd Hoffmann | } |
495 | 439a97cc | Gerd Hoffmann | if (mask & USBSTS_PCD) {
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496 | 439a97cc | Gerd Hoffmann | trace_usb_ehci_usbsts("PCD", state);
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497 | 439a97cc | Gerd Hoffmann | } |
498 | 439a97cc | Gerd Hoffmann | if (mask & USBSTS_FLR) {
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499 | 439a97cc | Gerd Hoffmann | trace_usb_ehci_usbsts("FLR", state);
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500 | 439a97cc | Gerd Hoffmann | } |
501 | 439a97cc | Gerd Hoffmann | if (mask & USBSTS_HSE) {
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502 | 439a97cc | Gerd Hoffmann | trace_usb_ehci_usbsts("HSE", state);
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503 | 439a97cc | Gerd Hoffmann | } |
504 | 439a97cc | Gerd Hoffmann | if (mask & USBSTS_IAA) {
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505 | 439a97cc | Gerd Hoffmann | trace_usb_ehci_usbsts("IAA", state);
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506 | 439a97cc | Gerd Hoffmann | } |
507 | 439a97cc | Gerd Hoffmann | |
508 | 439a97cc | Gerd Hoffmann | /* status */
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509 | 439a97cc | Gerd Hoffmann | if (mask & USBSTS_HALT) {
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510 | 439a97cc | Gerd Hoffmann | trace_usb_ehci_usbsts("HALT", state);
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511 | 439a97cc | Gerd Hoffmann | } |
512 | 439a97cc | Gerd Hoffmann | if (mask & USBSTS_REC) {
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513 | 439a97cc | Gerd Hoffmann | trace_usb_ehci_usbsts("REC", state);
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514 | 439a97cc | Gerd Hoffmann | } |
515 | 439a97cc | Gerd Hoffmann | if (mask & USBSTS_PSS) {
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516 | 439a97cc | Gerd Hoffmann | trace_usb_ehci_usbsts("PSS", state);
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517 | 439a97cc | Gerd Hoffmann | } |
518 | 439a97cc | Gerd Hoffmann | if (mask & USBSTS_ASS) {
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519 | 439a97cc | Gerd Hoffmann | trace_usb_ehci_usbsts("ASS", state);
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520 | 439a97cc | Gerd Hoffmann | } |
521 | 439a97cc | Gerd Hoffmann | } |
522 | 439a97cc | Gerd Hoffmann | |
523 | 439a97cc | Gerd Hoffmann | static inline void ehci_set_usbsts(EHCIState *s, int mask) |
524 | 439a97cc | Gerd Hoffmann | { |
525 | 439a97cc | Gerd Hoffmann | if ((s->usbsts & mask) == mask) {
|
526 | 439a97cc | Gerd Hoffmann | return;
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527 | 439a97cc | Gerd Hoffmann | } |
528 | 439a97cc | Gerd Hoffmann | ehci_trace_usbsts(mask, 1);
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529 | 439a97cc | Gerd Hoffmann | s->usbsts |= mask; |
530 | 439a97cc | Gerd Hoffmann | } |
531 | 439a97cc | Gerd Hoffmann | |
532 | 439a97cc | Gerd Hoffmann | static inline void ehci_clear_usbsts(EHCIState *s, int mask) |
533 | 439a97cc | Gerd Hoffmann | { |
534 | 439a97cc | Gerd Hoffmann | if ((s->usbsts & mask) == 0) { |
535 | 439a97cc | Gerd Hoffmann | return;
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536 | 439a97cc | Gerd Hoffmann | } |
537 | 439a97cc | Gerd Hoffmann | ehci_trace_usbsts(mask, 0);
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538 | 439a97cc | Gerd Hoffmann | s->usbsts &= ~mask; |
539 | 439a97cc | Gerd Hoffmann | } |
540 | 94527ead | Gerd Hoffmann | |
541 | 94527ead | Gerd Hoffmann | static inline void ehci_set_interrupt(EHCIState *s, int intr) |
542 | 94527ead | Gerd Hoffmann | { |
543 | 94527ead | Gerd Hoffmann | int level = 0; |
544 | 94527ead | Gerd Hoffmann | |
545 | 94527ead | Gerd Hoffmann | // TODO honour interrupt threshold requests
|
546 | 94527ead | Gerd Hoffmann | |
547 | 439a97cc | Gerd Hoffmann | ehci_set_usbsts(s, intr); |
548 | 94527ead | Gerd Hoffmann | |
549 | 94527ead | Gerd Hoffmann | if ((s->usbsts & USBINTR_MASK) & s->usbintr) {
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550 | 94527ead | Gerd Hoffmann | level = 1;
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551 | 94527ead | Gerd Hoffmann | } |
552 | 94527ead | Gerd Hoffmann | |
553 | 94527ead | Gerd Hoffmann | qemu_set_irq(s->irq, level); |
554 | 94527ead | Gerd Hoffmann | } |
555 | 94527ead | Gerd Hoffmann | |
556 | 94527ead | Gerd Hoffmann | static inline void ehci_record_interrupt(EHCIState *s, int intr) |
557 | 94527ead | Gerd Hoffmann | { |
558 | 94527ead | Gerd Hoffmann | s->usbsts_pending |= intr; |
559 | 94527ead | Gerd Hoffmann | } |
560 | 94527ead | Gerd Hoffmann | |
561 | 94527ead | Gerd Hoffmann | static inline void ehci_commit_interrupt(EHCIState *s) |
562 | 94527ead | Gerd Hoffmann | { |
563 | 94527ead | Gerd Hoffmann | if (!s->usbsts_pending) {
|
564 | 94527ead | Gerd Hoffmann | return;
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565 | 94527ead | Gerd Hoffmann | } |
566 | 94527ead | Gerd Hoffmann | ehci_set_interrupt(s, s->usbsts_pending); |
567 | 94527ead | Gerd Hoffmann | s->usbsts_pending = 0;
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568 | 94527ead | Gerd Hoffmann | } |
569 | 94527ead | Gerd Hoffmann | |
570 | 26d53979 | Gerd Hoffmann | static void ehci_set_state(EHCIState *s, int async, int state) |
571 | 26d53979 | Gerd Hoffmann | { |
572 | 26d53979 | Gerd Hoffmann | if (async) {
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573 | 26d53979 | Gerd Hoffmann | trace_usb_ehci_state("async", state2str(state));
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574 | 26d53979 | Gerd Hoffmann | s->astate = state; |
575 | 26d53979 | Gerd Hoffmann | } else {
|
576 | 26d53979 | Gerd Hoffmann | trace_usb_ehci_state("periodic", state2str(state));
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577 | 26d53979 | Gerd Hoffmann | s->pstate = state; |
578 | 26d53979 | Gerd Hoffmann | } |
579 | 26d53979 | Gerd Hoffmann | } |
580 | 26d53979 | Gerd Hoffmann | |
581 | 26d53979 | Gerd Hoffmann | static int ehci_get_state(EHCIState *s, int async) |
582 | 26d53979 | Gerd Hoffmann | { |
583 | 26d53979 | Gerd Hoffmann | return async ? s->astate : s->pstate;
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584 | 26d53979 | Gerd Hoffmann | } |
585 | 26d53979 | Gerd Hoffmann | |
586 | 0122f472 | Gerd Hoffmann | static void ehci_set_fetch_addr(EHCIState *s, int async, uint32_t addr) |
587 | 0122f472 | Gerd Hoffmann | { |
588 | 0122f472 | Gerd Hoffmann | if (async) {
|
589 | 0122f472 | Gerd Hoffmann | s->a_fetch_addr = addr; |
590 | 0122f472 | Gerd Hoffmann | } else {
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591 | 0122f472 | Gerd Hoffmann | s->p_fetch_addr = addr; |
592 | 0122f472 | Gerd Hoffmann | } |
593 | 0122f472 | Gerd Hoffmann | } |
594 | 0122f472 | Gerd Hoffmann | |
595 | 0122f472 | Gerd Hoffmann | static int ehci_get_fetch_addr(EHCIState *s, int async) |
596 | 0122f472 | Gerd Hoffmann | { |
597 | 0122f472 | Gerd Hoffmann | return async ? s->a_fetch_addr : s->p_fetch_addr;
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598 | 0122f472 | Gerd Hoffmann | } |
599 | 0122f472 | Gerd Hoffmann | |
600 | 8ac6d699 | Gerd Hoffmann | static void ehci_trace_qh(EHCIQueue *q, target_phys_addr_t addr, EHCIqh *qh) |
601 | 26d53979 | Gerd Hoffmann | { |
602 | 8ac6d699 | Gerd Hoffmann | trace_usb_ehci_qh(q, addr, qh->next, |
603 | 26d53979 | Gerd Hoffmann | qh->current_qtd, qh->next_qtd, qh->altnext_qtd, |
604 | 26d53979 | Gerd Hoffmann | get_field(qh->epchar, QH_EPCHAR_RL), |
605 | 26d53979 | Gerd Hoffmann | get_field(qh->epchar, QH_EPCHAR_MPLEN), |
606 | 26d53979 | Gerd Hoffmann | get_field(qh->epchar, QH_EPCHAR_EPS), |
607 | 26d53979 | Gerd Hoffmann | get_field(qh->epchar, QH_EPCHAR_EP), |
608 | 26d53979 | Gerd Hoffmann | get_field(qh->epchar, QH_EPCHAR_DEVADDR), |
609 | 26d53979 | Gerd Hoffmann | (bool)(qh->epchar & QH_EPCHAR_C),
|
610 | 26d53979 | Gerd Hoffmann | (bool)(qh->epchar & QH_EPCHAR_H),
|
611 | 26d53979 | Gerd Hoffmann | (bool)(qh->epchar & QH_EPCHAR_DTC),
|
612 | 26d53979 | Gerd Hoffmann | (bool)(qh->epchar & QH_EPCHAR_I));
|
613 | 26d53979 | Gerd Hoffmann | } |
614 | 26d53979 | Gerd Hoffmann | |
615 | 8ac6d699 | Gerd Hoffmann | static void ehci_trace_qtd(EHCIQueue *q, target_phys_addr_t addr, EHCIqtd *qtd) |
616 | 26d53979 | Gerd Hoffmann | { |
617 | 8ac6d699 | Gerd Hoffmann | trace_usb_ehci_qtd(q, addr, qtd->next, qtd->altnext, |
618 | 26d53979 | Gerd Hoffmann | get_field(qtd->token, QTD_TOKEN_TBYTES), |
619 | 26d53979 | Gerd Hoffmann | get_field(qtd->token, QTD_TOKEN_CPAGE), |
620 | 26d53979 | Gerd Hoffmann | get_field(qtd->token, QTD_TOKEN_CERR), |
621 | 26d53979 | Gerd Hoffmann | get_field(qtd->token, QTD_TOKEN_PID), |
622 | 26d53979 | Gerd Hoffmann | (bool)(qtd->token & QTD_TOKEN_IOC),
|
623 | 26d53979 | Gerd Hoffmann | (bool)(qtd->token & QTD_TOKEN_ACTIVE),
|
624 | 26d53979 | Gerd Hoffmann | (bool)(qtd->token & QTD_TOKEN_HALT),
|
625 | 26d53979 | Gerd Hoffmann | (bool)(qtd->token & QTD_TOKEN_BABBLE),
|
626 | 26d53979 | Gerd Hoffmann | (bool)(qtd->token & QTD_TOKEN_XACTERR));
|
627 | 26d53979 | Gerd Hoffmann | } |
628 | 26d53979 | Gerd Hoffmann | |
629 | 26d53979 | Gerd Hoffmann | static void ehci_trace_itd(EHCIState *s, target_phys_addr_t addr, EHCIitd *itd) |
630 | 26d53979 | Gerd Hoffmann | { |
631 | 26d53979 | Gerd Hoffmann | trace_usb_ehci_itd(addr, itd->next); |
632 | 26d53979 | Gerd Hoffmann | } |
633 | 26d53979 | Gerd Hoffmann | |
634 | 8ac6d699 | Gerd Hoffmann | /* queue management */
|
635 | 8ac6d699 | Gerd Hoffmann | |
636 | 8ac6d699 | Gerd Hoffmann | static EHCIQueue *ehci_alloc_queue(EHCIState *ehci, int async) |
637 | 8ac6d699 | Gerd Hoffmann | { |
638 | 8ac6d699 | Gerd Hoffmann | EHCIQueue *q; |
639 | 8ac6d699 | Gerd Hoffmann | |
640 | 8ac6d699 | Gerd Hoffmann | q = qemu_mallocz(sizeof(*q));
|
641 | 8ac6d699 | Gerd Hoffmann | q->ehci = ehci; |
642 | 8ac6d699 | Gerd Hoffmann | q->async_schedule = async; |
643 | 8ac6d699 | Gerd Hoffmann | QTAILQ_INSERT_HEAD(&ehci->queues, q, next); |
644 | 8ac6d699 | Gerd Hoffmann | trace_usb_ehci_queue_action(q, "alloc");
|
645 | 8ac6d699 | Gerd Hoffmann | return q;
|
646 | 8ac6d699 | Gerd Hoffmann | } |
647 | 8ac6d699 | Gerd Hoffmann | |
648 | 8ac6d699 | Gerd Hoffmann | static void ehci_free_queue(EHCIQueue *q) |
649 | 8ac6d699 | Gerd Hoffmann | { |
650 | 8ac6d699 | Gerd Hoffmann | trace_usb_ehci_queue_action(q, "free");
|
651 | 8ac6d699 | Gerd Hoffmann | if (q->async == EHCI_ASYNC_INFLIGHT) {
|
652 | 8ac6d699 | Gerd Hoffmann | usb_cancel_packet(&q->packet); |
653 | 8ac6d699 | Gerd Hoffmann | } |
654 | 8ac6d699 | Gerd Hoffmann | QTAILQ_REMOVE(&q->ehci->queues, q, next); |
655 | 8ac6d699 | Gerd Hoffmann | qemu_free(q); |
656 | 8ac6d699 | Gerd Hoffmann | } |
657 | 8ac6d699 | Gerd Hoffmann | |
658 | 8ac6d699 | Gerd Hoffmann | static EHCIQueue *ehci_find_queue_by_qh(EHCIState *ehci, uint32_t addr)
|
659 | 8ac6d699 | Gerd Hoffmann | { |
660 | 8ac6d699 | Gerd Hoffmann | EHCIQueue *q; |
661 | 8ac6d699 | Gerd Hoffmann | |
662 | 8ac6d699 | Gerd Hoffmann | QTAILQ_FOREACH(q, &ehci->queues, next) { |
663 | 8ac6d699 | Gerd Hoffmann | if (addr == q->qhaddr) {
|
664 | 8ac6d699 | Gerd Hoffmann | return q;
|
665 | 8ac6d699 | Gerd Hoffmann | } |
666 | 8ac6d699 | Gerd Hoffmann | } |
667 | 8ac6d699 | Gerd Hoffmann | return NULL; |
668 | 8ac6d699 | Gerd Hoffmann | } |
669 | 8ac6d699 | Gerd Hoffmann | |
670 | 8ac6d699 | Gerd Hoffmann | static void ehci_queues_rip_unused(EHCIState *ehci) |
671 | 8ac6d699 | Gerd Hoffmann | { |
672 | 8ac6d699 | Gerd Hoffmann | EHCIQueue *q, *tmp; |
673 | 8ac6d699 | Gerd Hoffmann | |
674 | 8ac6d699 | Gerd Hoffmann | QTAILQ_FOREACH_SAFE(q, &ehci->queues, next, tmp) { |
675 | 8ac6d699 | Gerd Hoffmann | if (q->seen) {
|
676 | 8ac6d699 | Gerd Hoffmann | q->seen = 0;
|
677 | 8ac6d699 | Gerd Hoffmann | q->ts = ehci->last_run_usec; |
678 | 8ac6d699 | Gerd Hoffmann | continue;
|
679 | 8ac6d699 | Gerd Hoffmann | } |
680 | 8ac6d699 | Gerd Hoffmann | if (ehci->last_run_usec < q->ts + 250000) { |
681 | 8ac6d699 | Gerd Hoffmann | /* allow 0.25 sec idle */
|
682 | 8ac6d699 | Gerd Hoffmann | continue;
|
683 | 8ac6d699 | Gerd Hoffmann | } |
684 | 8ac6d699 | Gerd Hoffmann | ehci_free_queue(q); |
685 | 8ac6d699 | Gerd Hoffmann | } |
686 | 8ac6d699 | Gerd Hoffmann | } |
687 | 8ac6d699 | Gerd Hoffmann | |
688 | 8ac6d699 | Gerd Hoffmann | static void ehci_queues_rip_all(EHCIState *ehci) |
689 | 8ac6d699 | Gerd Hoffmann | { |
690 | 8ac6d699 | Gerd Hoffmann | EHCIQueue *q, *tmp; |
691 | 8ac6d699 | Gerd Hoffmann | |
692 | 8ac6d699 | Gerd Hoffmann | QTAILQ_FOREACH_SAFE(q, &ehci->queues, next, tmp) { |
693 | 8ac6d699 | Gerd Hoffmann | ehci_free_queue(q); |
694 | 8ac6d699 | Gerd Hoffmann | } |
695 | 8ac6d699 | Gerd Hoffmann | } |
696 | 8ac6d699 | Gerd Hoffmann | |
697 | 94527ead | Gerd Hoffmann | /* Attach or detach a device on root hub */
|
698 | 94527ead | Gerd Hoffmann | |
699 | 94527ead | Gerd Hoffmann | static void ehci_attach(USBPort *port) |
700 | 94527ead | Gerd Hoffmann | { |
701 | 94527ead | Gerd Hoffmann | EHCIState *s = port->opaque; |
702 | 94527ead | Gerd Hoffmann | uint32_t *portsc = &s->portsc[port->index]; |
703 | 94527ead | Gerd Hoffmann | |
704 | dcbd0b5c | Gerd Hoffmann | trace_usb_ehci_port_attach(port->index, port->dev->product_desc); |
705 | 94527ead | Gerd Hoffmann | |
706 | 94527ead | Gerd Hoffmann | *portsc |= PORTSC_CONNECT; |
707 | 94527ead | Gerd Hoffmann | *portsc |= PORTSC_CSC; |
708 | 94527ead | Gerd Hoffmann | |
709 | 94527ead | Gerd Hoffmann | /*
|
710 | 94527ead | Gerd Hoffmann | * If a high speed device is attached then we own this port(indicated
|
711 | 94527ead | Gerd Hoffmann | * by zero in the PORTSC_POWNER bit field) so set the status bit
|
712 | 94527ead | Gerd Hoffmann | * and set an interrupt if enabled.
|
713 | 94527ead | Gerd Hoffmann | */
|
714 | 94527ead | Gerd Hoffmann | if ( !(*portsc & PORTSC_POWNER)) {
|
715 | 94527ead | Gerd Hoffmann | ehci_set_interrupt(s, USBSTS_PCD); |
716 | 94527ead | Gerd Hoffmann | } |
717 | 94527ead | Gerd Hoffmann | } |
718 | 94527ead | Gerd Hoffmann | |
719 | 94527ead | Gerd Hoffmann | static void ehci_detach(USBPort *port) |
720 | 94527ead | Gerd Hoffmann | { |
721 | 94527ead | Gerd Hoffmann | EHCIState *s = port->opaque; |
722 | 94527ead | Gerd Hoffmann | uint32_t *portsc = &s->portsc[port->index]; |
723 | 94527ead | Gerd Hoffmann | |
724 | dcbd0b5c | Gerd Hoffmann | trace_usb_ehci_port_detach(port->index); |
725 | 94527ead | Gerd Hoffmann | |
726 | 94527ead | Gerd Hoffmann | *portsc &= ~PORTSC_CONNECT; |
727 | 94527ead | Gerd Hoffmann | *portsc |= PORTSC_CSC; |
728 | 94527ead | Gerd Hoffmann | |
729 | 94527ead | Gerd Hoffmann | /*
|
730 | 94527ead | Gerd Hoffmann | * If a high speed device is attached then we own this port(indicated
|
731 | 94527ead | Gerd Hoffmann | * by zero in the PORTSC_POWNER bit field) so set the status bit
|
732 | 94527ead | Gerd Hoffmann | * and set an interrupt if enabled.
|
733 | 94527ead | Gerd Hoffmann | */
|
734 | 94527ead | Gerd Hoffmann | if ( !(*portsc & PORTSC_POWNER)) {
|
735 | 94527ead | Gerd Hoffmann | ehci_set_interrupt(s, USBSTS_PCD); |
736 | 94527ead | Gerd Hoffmann | } |
737 | 94527ead | Gerd Hoffmann | } |
738 | 94527ead | Gerd Hoffmann | |
739 | 94527ead | Gerd Hoffmann | /* 4.1 host controller initialization */
|
740 | 94527ead | Gerd Hoffmann | static void ehci_reset(void *opaque) |
741 | 94527ead | Gerd Hoffmann | { |
742 | 94527ead | Gerd Hoffmann | EHCIState *s = opaque; |
743 | 94527ead | Gerd Hoffmann | uint8_t *pci_conf; |
744 | 94527ead | Gerd Hoffmann | int i;
|
745 | 94527ead | Gerd Hoffmann | |
746 | 439a97cc | Gerd Hoffmann | trace_usb_ehci_reset(); |
747 | 94527ead | Gerd Hoffmann | pci_conf = s->dev.config; |
748 | 94527ead | Gerd Hoffmann | |
749 | 94527ead | Gerd Hoffmann | memset(&s->mmio[OPREGBASE], 0x00, MMIO_SIZE - OPREGBASE);
|
750 | 94527ead | Gerd Hoffmann | |
751 | 94527ead | Gerd Hoffmann | s->usbcmd = NB_MAXINTRATE << USBCMD_ITC_SH; |
752 | 94527ead | Gerd Hoffmann | s->usbsts = USBSTS_HALT; |
753 | 94527ead | Gerd Hoffmann | |
754 | 94527ead | Gerd Hoffmann | s->astate = EST_INACTIVE; |
755 | 94527ead | Gerd Hoffmann | s->pstate = EST_INACTIVE; |
756 | 94527ead | Gerd Hoffmann | s->isoch_pause = -1;
|
757 | 94527ead | Gerd Hoffmann | s->attach_poll_counter = 0;
|
758 | 94527ead | Gerd Hoffmann | |
759 | 94527ead | Gerd Hoffmann | for(i = 0; i < NB_PORTS; i++) { |
760 | 94527ead | Gerd Hoffmann | s->portsc[i] = PORTSC_POWNER | PORTSC_PPOWER; |
761 | 94527ead | Gerd Hoffmann | |
762 | 94527ead | Gerd Hoffmann | if (s->ports[i].dev) {
|
763 | 94527ead | Gerd Hoffmann | usb_attach(&s->ports[i], s->ports[i].dev); |
764 | 94527ead | Gerd Hoffmann | } |
765 | 94527ead | Gerd Hoffmann | } |
766 | 8ac6d699 | Gerd Hoffmann | ehci_queues_rip_all(s); |
767 | 94527ead | Gerd Hoffmann | } |
768 | 94527ead | Gerd Hoffmann | |
769 | 94527ead | Gerd Hoffmann | static uint32_t ehci_mem_readb(void *ptr, target_phys_addr_t addr) |
770 | 94527ead | Gerd Hoffmann | { |
771 | 94527ead | Gerd Hoffmann | EHCIState *s = ptr; |
772 | 94527ead | Gerd Hoffmann | uint32_t val; |
773 | 94527ead | Gerd Hoffmann | |
774 | 94527ead | Gerd Hoffmann | val = s->mmio[addr]; |
775 | 94527ead | Gerd Hoffmann | |
776 | 94527ead | Gerd Hoffmann | return val;
|
777 | 94527ead | Gerd Hoffmann | } |
778 | 94527ead | Gerd Hoffmann | |
779 | 94527ead | Gerd Hoffmann | static uint32_t ehci_mem_readw(void *ptr, target_phys_addr_t addr) |
780 | 94527ead | Gerd Hoffmann | { |
781 | 94527ead | Gerd Hoffmann | EHCIState *s = ptr; |
782 | 94527ead | Gerd Hoffmann | uint32_t val; |
783 | 94527ead | Gerd Hoffmann | |
784 | 94527ead | Gerd Hoffmann | val = s->mmio[addr] | (s->mmio[addr+1] << 8); |
785 | 94527ead | Gerd Hoffmann | |
786 | 94527ead | Gerd Hoffmann | return val;
|
787 | 94527ead | Gerd Hoffmann | } |
788 | 94527ead | Gerd Hoffmann | |
789 | 94527ead | Gerd Hoffmann | static uint32_t ehci_mem_readl(void *ptr, target_phys_addr_t addr) |
790 | 94527ead | Gerd Hoffmann | { |
791 | 94527ead | Gerd Hoffmann | EHCIState *s = ptr; |
792 | 94527ead | Gerd Hoffmann | uint32_t val; |
793 | 94527ead | Gerd Hoffmann | |
794 | 94527ead | Gerd Hoffmann | val = s->mmio[addr] | (s->mmio[addr+1] << 8) | |
795 | 94527ead | Gerd Hoffmann | (s->mmio[addr+2] << 16) | (s->mmio[addr+3] << 24); |
796 | 94527ead | Gerd Hoffmann | |
797 | 439a97cc | Gerd Hoffmann | trace_usb_ehci_mmio_readl(addr, addr2str(addr), val); |
798 | 94527ead | Gerd Hoffmann | return val;
|
799 | 94527ead | Gerd Hoffmann | } |
800 | 94527ead | Gerd Hoffmann | |
801 | 94527ead | Gerd Hoffmann | static void ehci_mem_writeb(void *ptr, target_phys_addr_t addr, uint32_t val) |
802 | 94527ead | Gerd Hoffmann | { |
803 | 94527ead | Gerd Hoffmann | fprintf(stderr, "EHCI doesn't handle byte writes to MMIO\n");
|
804 | 94527ead | Gerd Hoffmann | exit(1);
|
805 | 94527ead | Gerd Hoffmann | } |
806 | 94527ead | Gerd Hoffmann | |
807 | 94527ead | Gerd Hoffmann | static void ehci_mem_writew(void *ptr, target_phys_addr_t addr, uint32_t val) |
808 | 94527ead | Gerd Hoffmann | { |
809 | 94527ead | Gerd Hoffmann | fprintf(stderr, "EHCI doesn't handle 16-bit writes to MMIO\n");
|
810 | 94527ead | Gerd Hoffmann | exit(1);
|
811 | 94527ead | Gerd Hoffmann | } |
812 | 94527ead | Gerd Hoffmann | |
813 | 94527ead | Gerd Hoffmann | static void handle_port_status_write(EHCIState *s, int port, uint32_t val) |
814 | 94527ead | Gerd Hoffmann | { |
815 | 94527ead | Gerd Hoffmann | uint32_t *portsc = &s->portsc[port]; |
816 | 94527ead | Gerd Hoffmann | int rwc;
|
817 | 94527ead | Gerd Hoffmann | USBDevice *dev = s->ports[port].dev; |
818 | 94527ead | Gerd Hoffmann | |
819 | 94527ead | Gerd Hoffmann | rwc = val & PORTSC_RWC_MASK; |
820 | 94527ead | Gerd Hoffmann | val &= PORTSC_RO_MASK; |
821 | 94527ead | Gerd Hoffmann | |
822 | 94527ead | Gerd Hoffmann | // handle_read_write_clear(&val, portsc, PORTSC_PEDC | PORTSC_CSC);
|
823 | 94527ead | Gerd Hoffmann | |
824 | 94527ead | Gerd Hoffmann | *portsc &= ~rwc; |
825 | 94527ead | Gerd Hoffmann | |
826 | 94527ead | Gerd Hoffmann | if ((val & PORTSC_PRESET) && !(*portsc & PORTSC_PRESET)) {
|
827 | dcbd0b5c | Gerd Hoffmann | trace_usb_ehci_port_reset(port, 1);
|
828 | 94527ead | Gerd Hoffmann | } |
829 | 94527ead | Gerd Hoffmann | |
830 | 94527ead | Gerd Hoffmann | if (!(val & PORTSC_PRESET) &&(*portsc & PORTSC_PRESET)) {
|
831 | dcbd0b5c | Gerd Hoffmann | trace_usb_ehci_port_reset(port, 0);
|
832 | 94527ead | Gerd Hoffmann | usb_attach(&s->ports[port], dev); |
833 | 94527ead | Gerd Hoffmann | |
834 | 94527ead | Gerd Hoffmann | // TODO how to handle reset of ports with no device
|
835 | 94527ead | Gerd Hoffmann | if (dev) {
|
836 | 94527ead | Gerd Hoffmann | usb_send_msg(dev, USB_MSG_RESET); |
837 | 94527ead | Gerd Hoffmann | } |
838 | 94527ead | Gerd Hoffmann | |
839 | 94527ead | Gerd Hoffmann | if (s->ports[port].dev) {
|
840 | 94527ead | Gerd Hoffmann | *portsc &= ~PORTSC_CSC; |
841 | 94527ead | Gerd Hoffmann | } |
842 | 94527ead | Gerd Hoffmann | |
843 | 94527ead | Gerd Hoffmann | /* Table 2.16 Set the enable bit(and enable bit change) to indicate
|
844 | 94527ead | Gerd Hoffmann | * to SW that this port has a high speed device attached
|
845 | 94527ead | Gerd Hoffmann | *
|
846 | 94527ead | Gerd Hoffmann | * TODO - when to disable?
|
847 | 94527ead | Gerd Hoffmann | */
|
848 | 94527ead | Gerd Hoffmann | val |= PORTSC_PED; |
849 | 94527ead | Gerd Hoffmann | val |= PORTSC_PEDC; |
850 | 94527ead | Gerd Hoffmann | } |
851 | 94527ead | Gerd Hoffmann | |
852 | 94527ead | Gerd Hoffmann | *portsc &= ~PORTSC_RO_MASK; |
853 | 94527ead | Gerd Hoffmann | *portsc |= val; |
854 | 94527ead | Gerd Hoffmann | } |
855 | 94527ead | Gerd Hoffmann | |
856 | 94527ead | Gerd Hoffmann | static void ehci_mem_writel(void *ptr, target_phys_addr_t addr, uint32_t val) |
857 | 94527ead | Gerd Hoffmann | { |
858 | 94527ead | Gerd Hoffmann | EHCIState *s = ptr; |
859 | c4f8e211 | Gerd Hoffmann | uint32_t *mmio = (uint32_t *)(&s->mmio[addr]); |
860 | c4f8e211 | Gerd Hoffmann | uint32_t old = *mmio; |
861 | 94527ead | Gerd Hoffmann | int i;
|
862 | 439a97cc | Gerd Hoffmann | |
863 | c4f8e211 | Gerd Hoffmann | trace_usb_ehci_mmio_writel(addr, addr2str(addr), val); |
864 | 94527ead | Gerd Hoffmann | |
865 | 94527ead | Gerd Hoffmann | /* Only aligned reads are allowed on OHCI */
|
866 | 94527ead | Gerd Hoffmann | if (addr & 3) { |
867 | 94527ead | Gerd Hoffmann | fprintf(stderr, "usb-ehci: Mis-aligned write to addr 0x"
|
868 | 94527ead | Gerd Hoffmann | TARGET_FMT_plx "\n", addr);
|
869 | 94527ead | Gerd Hoffmann | return;
|
870 | 94527ead | Gerd Hoffmann | } |
871 | 94527ead | Gerd Hoffmann | |
872 | 94527ead | Gerd Hoffmann | if (addr >= PORTSC && addr < PORTSC + 4 * NB_PORTS) { |
873 | 94527ead | Gerd Hoffmann | handle_port_status_write(s, (addr-PORTSC)/4, val);
|
874 | c4f8e211 | Gerd Hoffmann | trace_usb_ehci_mmio_change(addr, addr2str(addr), *mmio, old); |
875 | 94527ead | Gerd Hoffmann | return;
|
876 | 94527ead | Gerd Hoffmann | } |
877 | 94527ead | Gerd Hoffmann | |
878 | 94527ead | Gerd Hoffmann | if (addr < OPREGBASE) {
|
879 | 94527ead | Gerd Hoffmann | fprintf(stderr, "usb-ehci: write attempt to read-only register"
|
880 | 94527ead | Gerd Hoffmann | TARGET_FMT_plx "\n", addr);
|
881 | 94527ead | Gerd Hoffmann | return;
|
882 | 94527ead | Gerd Hoffmann | } |
883 | 94527ead | Gerd Hoffmann | |
884 | 94527ead | Gerd Hoffmann | |
885 | 94527ead | Gerd Hoffmann | /* Do any register specific pre-write processing here. */
|
886 | 94527ead | Gerd Hoffmann | switch(addr) {
|
887 | 94527ead | Gerd Hoffmann | case USBCMD:
|
888 | 94527ead | Gerd Hoffmann | if ((val & USBCMD_RUNSTOP) && !(s->usbcmd & USBCMD_RUNSTOP)) {
|
889 | 94527ead | Gerd Hoffmann | qemu_mod_timer(s->frame_timer, qemu_get_clock_ns(vm_clock)); |
890 | 94527ead | Gerd Hoffmann | SET_LAST_RUN_CLOCK(s); |
891 | 439a97cc | Gerd Hoffmann | ehci_clear_usbsts(s, USBSTS_HALT); |
892 | 94527ead | Gerd Hoffmann | } |
893 | 94527ead | Gerd Hoffmann | |
894 | 94527ead | Gerd Hoffmann | if (!(val & USBCMD_RUNSTOP) && (s->usbcmd & USBCMD_RUNSTOP)) {
|
895 | 94527ead | Gerd Hoffmann | qemu_del_timer(s->frame_timer); |
896 | 94527ead | Gerd Hoffmann | // TODO - should finish out some stuff before setting halt
|
897 | 439a97cc | Gerd Hoffmann | ehci_set_usbsts(s, USBSTS_HALT); |
898 | 94527ead | Gerd Hoffmann | } |
899 | 94527ead | Gerd Hoffmann | |
900 | 94527ead | Gerd Hoffmann | if (val & USBCMD_HCRESET) {
|
901 | 94527ead | Gerd Hoffmann | ehci_reset(s); |
902 | 94527ead | Gerd Hoffmann | val &= ~USBCMD_HCRESET; |
903 | 94527ead | Gerd Hoffmann | } |
904 | 94527ead | Gerd Hoffmann | |
905 | 94527ead | Gerd Hoffmann | /* not supporting dynamic frame list size at the moment */
|
906 | 94527ead | Gerd Hoffmann | if ((val & USBCMD_FLS) && !(s->usbcmd & USBCMD_FLS)) {
|
907 | 94527ead | Gerd Hoffmann | fprintf(stderr, "attempt to set frame list size -- value %d\n",
|
908 | 94527ead | Gerd Hoffmann | val & USBCMD_FLS); |
909 | 94527ead | Gerd Hoffmann | val &= ~USBCMD_FLS; |
910 | 94527ead | Gerd Hoffmann | } |
911 | 94527ead | Gerd Hoffmann | break;
|
912 | 94527ead | Gerd Hoffmann | |
913 | 94527ead | Gerd Hoffmann | case USBSTS:
|
914 | 94527ead | Gerd Hoffmann | val &= USBSTS_RO_MASK; // bits 6 thru 31 are RO
|
915 | 439a97cc | Gerd Hoffmann | ehci_clear_usbsts(s, val); // bits 0 thru 5 are R/WC
|
916 | 439a97cc | Gerd Hoffmann | val = s->usbsts; |
917 | 94527ead | Gerd Hoffmann | ehci_set_interrupt(s, 0);
|
918 | 94527ead | Gerd Hoffmann | break;
|
919 | 94527ead | Gerd Hoffmann | |
920 | 94527ead | Gerd Hoffmann | case USBINTR:
|
921 | 94527ead | Gerd Hoffmann | val &= USBINTR_MASK; |
922 | 94527ead | Gerd Hoffmann | break;
|
923 | 94527ead | Gerd Hoffmann | |
924 | 94527ead | Gerd Hoffmann | case FRINDEX:
|
925 | 94527ead | Gerd Hoffmann | s->sofv = val >> 3;
|
926 | 94527ead | Gerd Hoffmann | break;
|
927 | 94527ead | Gerd Hoffmann | |
928 | 94527ead | Gerd Hoffmann | case CONFIGFLAG:
|
929 | 94527ead | Gerd Hoffmann | val &= 0x1;
|
930 | 94527ead | Gerd Hoffmann | if (val) {
|
931 | 94527ead | Gerd Hoffmann | for(i = 0; i < NB_PORTS; i++) |
932 | 94527ead | Gerd Hoffmann | s->portsc[i] &= ~PORTSC_POWNER; |
933 | 94527ead | Gerd Hoffmann | } |
934 | 94527ead | Gerd Hoffmann | break;
|
935 | 94527ead | Gerd Hoffmann | |
936 | 94527ead | Gerd Hoffmann | case PERIODICLISTBASE:
|
937 | 94527ead | Gerd Hoffmann | if ((s->usbcmd & USBCMD_PSE) && (s->usbcmd & USBCMD_RUNSTOP)) {
|
938 | 94527ead | Gerd Hoffmann | fprintf(stderr, |
939 | 94527ead | Gerd Hoffmann | "ehci: PERIODIC list base register set while periodic schedule\n"
|
940 | 94527ead | Gerd Hoffmann | " is enabled and HC is enabled\n");
|
941 | 94527ead | Gerd Hoffmann | } |
942 | 94527ead | Gerd Hoffmann | break;
|
943 | 94527ead | Gerd Hoffmann | |
944 | 94527ead | Gerd Hoffmann | case ASYNCLISTADDR:
|
945 | 94527ead | Gerd Hoffmann | if ((s->usbcmd & USBCMD_ASE) && (s->usbcmd & USBCMD_RUNSTOP)) {
|
946 | 94527ead | Gerd Hoffmann | fprintf(stderr, |
947 | 94527ead | Gerd Hoffmann | "ehci: ASYNC list address register set while async schedule\n"
|
948 | 94527ead | Gerd Hoffmann | " is enabled and HC is enabled\n");
|
949 | 94527ead | Gerd Hoffmann | } |
950 | 94527ead | Gerd Hoffmann | break;
|
951 | 94527ead | Gerd Hoffmann | } |
952 | 94527ead | Gerd Hoffmann | |
953 | c4f8e211 | Gerd Hoffmann | *mmio = val; |
954 | c4f8e211 | Gerd Hoffmann | trace_usb_ehci_mmio_change(addr, addr2str(addr), *mmio, old); |
955 | 94527ead | Gerd Hoffmann | } |
956 | 94527ead | Gerd Hoffmann | |
957 | 94527ead | Gerd Hoffmann | |
958 | 94527ead | Gerd Hoffmann | // TODO : Put in common header file, duplication from usb-ohci.c
|
959 | 94527ead | Gerd Hoffmann | |
960 | 94527ead | Gerd Hoffmann | /* Get an array of dwords from main memory */
|
961 | 94527ead | Gerd Hoffmann | static inline int get_dwords(uint32_t addr, uint32_t *buf, int num) |
962 | 94527ead | Gerd Hoffmann | { |
963 | 94527ead | Gerd Hoffmann | int i;
|
964 | 94527ead | Gerd Hoffmann | |
965 | 94527ead | Gerd Hoffmann | for(i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { |
966 | 94527ead | Gerd Hoffmann | cpu_physical_memory_rw(addr,(uint8_t *)buf, sizeof(*buf), 0); |
967 | 94527ead | Gerd Hoffmann | *buf = le32_to_cpu(*buf); |
968 | 94527ead | Gerd Hoffmann | } |
969 | 94527ead | Gerd Hoffmann | |
970 | 94527ead | Gerd Hoffmann | return 1; |
971 | 94527ead | Gerd Hoffmann | } |
972 | 94527ead | Gerd Hoffmann | |
973 | 94527ead | Gerd Hoffmann | /* Put an array of dwords in to main memory */
|
974 | 94527ead | Gerd Hoffmann | static inline int put_dwords(uint32_t addr, uint32_t *buf, int num) |
975 | 94527ead | Gerd Hoffmann | { |
976 | 94527ead | Gerd Hoffmann | int i;
|
977 | 94527ead | Gerd Hoffmann | |
978 | 94527ead | Gerd Hoffmann | for(i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { |
979 | 94527ead | Gerd Hoffmann | uint32_t tmp = cpu_to_le32(*buf); |
980 | 94527ead | Gerd Hoffmann | cpu_physical_memory_rw(addr,(uint8_t *)&tmp, sizeof(tmp), 1); |
981 | 94527ead | Gerd Hoffmann | } |
982 | 94527ead | Gerd Hoffmann | |
983 | 94527ead | Gerd Hoffmann | return 1; |
984 | 94527ead | Gerd Hoffmann | } |
985 | 94527ead | Gerd Hoffmann | |
986 | 94527ead | Gerd Hoffmann | // 4.10.2
|
987 | 94527ead | Gerd Hoffmann | |
988 | 0122f472 | Gerd Hoffmann | static int ehci_qh_do_overlay(EHCIQueue *q) |
989 | 94527ead | Gerd Hoffmann | { |
990 | 94527ead | Gerd Hoffmann | int i;
|
991 | 94527ead | Gerd Hoffmann | int dtoggle;
|
992 | 94527ead | Gerd Hoffmann | int ping;
|
993 | 94527ead | Gerd Hoffmann | int eps;
|
994 | 94527ead | Gerd Hoffmann | int reload;
|
995 | 94527ead | Gerd Hoffmann | |
996 | 94527ead | Gerd Hoffmann | // remember values in fields to preserve in qh after overlay
|
997 | 94527ead | Gerd Hoffmann | |
998 | 0122f472 | Gerd Hoffmann | dtoggle = q->qh.token & QTD_TOKEN_DTOGGLE; |
999 | 0122f472 | Gerd Hoffmann | ping = q->qh.token & QTD_TOKEN_PING; |
1000 | 94527ead | Gerd Hoffmann | |
1001 | 0122f472 | Gerd Hoffmann | q->qh.current_qtd = q->qtdaddr; |
1002 | 0122f472 | Gerd Hoffmann | q->qh.next_qtd = q->qtd.next; |
1003 | 0122f472 | Gerd Hoffmann | q->qh.altnext_qtd = q->qtd.altnext; |
1004 | 0122f472 | Gerd Hoffmann | q->qh.token = q->qtd.token; |
1005 | 94527ead | Gerd Hoffmann | |
1006 | 94527ead | Gerd Hoffmann | |
1007 | 0122f472 | Gerd Hoffmann | eps = get_field(q->qh.epchar, QH_EPCHAR_EPS); |
1008 | 94527ead | Gerd Hoffmann | if (eps == EHCI_QH_EPS_HIGH) {
|
1009 | 0122f472 | Gerd Hoffmann | q->qh.token &= ~QTD_TOKEN_PING; |
1010 | 0122f472 | Gerd Hoffmann | q->qh.token |= ping; |
1011 | 94527ead | Gerd Hoffmann | } |
1012 | 94527ead | Gerd Hoffmann | |
1013 | 0122f472 | Gerd Hoffmann | reload = get_field(q->qh.epchar, QH_EPCHAR_RL); |
1014 | 0122f472 | Gerd Hoffmann | set_field(&q->qh.altnext_qtd, reload, QH_ALTNEXT_NAKCNT); |
1015 | 94527ead | Gerd Hoffmann | |
1016 | 94527ead | Gerd Hoffmann | for (i = 0; i < 5; i++) { |
1017 | 0122f472 | Gerd Hoffmann | q->qh.bufptr[i] = q->qtd.bufptr[i]; |
1018 | 94527ead | Gerd Hoffmann | } |
1019 | 94527ead | Gerd Hoffmann | |
1020 | 0122f472 | Gerd Hoffmann | if (!(q->qh.epchar & QH_EPCHAR_DTC)) {
|
1021 | 94527ead | Gerd Hoffmann | // preserve QH DT bit
|
1022 | 0122f472 | Gerd Hoffmann | q->qh.token &= ~QTD_TOKEN_DTOGGLE; |
1023 | 0122f472 | Gerd Hoffmann | q->qh.token |= dtoggle; |
1024 | 94527ead | Gerd Hoffmann | } |
1025 | 94527ead | Gerd Hoffmann | |
1026 | 0122f472 | Gerd Hoffmann | q->qh.bufptr[1] &= ~BUFPTR_CPROGMASK_MASK;
|
1027 | 0122f472 | Gerd Hoffmann | q->qh.bufptr[2] &= ~BUFPTR_FRAMETAG_MASK;
|
1028 | 94527ead | Gerd Hoffmann | |
1029 | 0122f472 | Gerd Hoffmann | put_dwords(NLPTR_GET(q->qhaddr), (uint32_t *) &q->qh, sizeof(EHCIqh) >> 2); |
1030 | 94527ead | Gerd Hoffmann | |
1031 | 94527ead | Gerd Hoffmann | return 0; |
1032 | 94527ead | Gerd Hoffmann | } |
1033 | 94527ead | Gerd Hoffmann | |
1034 | 0122f472 | Gerd Hoffmann | static int ehci_buffer_rw(EHCIQueue *q, int bytes, int rw) |
1035 | 94527ead | Gerd Hoffmann | { |
1036 | 94527ead | Gerd Hoffmann | int bufpos = 0; |
1037 | 94527ead | Gerd Hoffmann | int cpage, offset;
|
1038 | 94527ead | Gerd Hoffmann | uint32_t head; |
1039 | 94527ead | Gerd Hoffmann | uint32_t tail; |
1040 | 94527ead | Gerd Hoffmann | |
1041 | 94527ead | Gerd Hoffmann | |
1042 | 94527ead | Gerd Hoffmann | if (!bytes) {
|
1043 | 94527ead | Gerd Hoffmann | return 0; |
1044 | 94527ead | Gerd Hoffmann | } |
1045 | 94527ead | Gerd Hoffmann | |
1046 | 0122f472 | Gerd Hoffmann | cpage = get_field(q->qh.token, QTD_TOKEN_CPAGE); |
1047 | 94527ead | Gerd Hoffmann | if (cpage > 4) { |
1048 | 94527ead | Gerd Hoffmann | fprintf(stderr, "cpage out of range (%d)\n", cpage);
|
1049 | 94527ead | Gerd Hoffmann | return USB_RET_PROCERR;
|
1050 | 94527ead | Gerd Hoffmann | } |
1051 | 94527ead | Gerd Hoffmann | |
1052 | 0122f472 | Gerd Hoffmann | offset = q->qh.bufptr[0] & ~QTD_BUFPTR_MASK;
|
1053 | 94527ead | Gerd Hoffmann | |
1054 | 94527ead | Gerd Hoffmann | do {
|
1055 | 94527ead | Gerd Hoffmann | /* start and end of this page */
|
1056 | 0122f472 | Gerd Hoffmann | head = q->qh.bufptr[cpage] & QTD_BUFPTR_MASK; |
1057 | 94527ead | Gerd Hoffmann | tail = head + ~QTD_BUFPTR_MASK + 1;
|
1058 | 94527ead | Gerd Hoffmann | /* add offset into page */
|
1059 | 94527ead | Gerd Hoffmann | head |= offset; |
1060 | 94527ead | Gerd Hoffmann | |
1061 | 94527ead | Gerd Hoffmann | if (bytes <= (tail - head)) {
|
1062 | 94527ead | Gerd Hoffmann | tail = head + bytes; |
1063 | 94527ead | Gerd Hoffmann | } |
1064 | 94527ead | Gerd Hoffmann | |
1065 | f2c88dc1 | Gerd Hoffmann | trace_usb_ehci_data(rw, cpage, offset, head, tail-head, bufpos); |
1066 | 0122f472 | Gerd Hoffmann | cpu_physical_memory_rw(head, q->buffer + bufpos, tail - head, rw); |
1067 | 94527ead | Gerd Hoffmann | |
1068 | 94527ead | Gerd Hoffmann | bufpos += (tail - head); |
1069 | 94527ead | Gerd Hoffmann | bytes -= (tail - head); |
1070 | 94527ead | Gerd Hoffmann | |
1071 | 94527ead | Gerd Hoffmann | if (bytes > 0) { |
1072 | 94527ead | Gerd Hoffmann | cpage++; |
1073 | 94527ead | Gerd Hoffmann | offset = 0;
|
1074 | 94527ead | Gerd Hoffmann | } |
1075 | 94527ead | Gerd Hoffmann | } while (bytes > 0); |
1076 | 94527ead | Gerd Hoffmann | |
1077 | 94527ead | Gerd Hoffmann | /* save cpage */
|
1078 | 0122f472 | Gerd Hoffmann | set_field(&q->qh.token, cpage, QTD_TOKEN_CPAGE); |
1079 | 94527ead | Gerd Hoffmann | |
1080 | 94527ead | Gerd Hoffmann | /* save offset into cpage */
|
1081 | 94527ead | Gerd Hoffmann | offset = tail - head; |
1082 | 0122f472 | Gerd Hoffmann | q->qh.bufptr[0] &= ~QTD_BUFPTR_MASK;
|
1083 | 0122f472 | Gerd Hoffmann | q->qh.bufptr[0] |= offset;
|
1084 | 94527ead | Gerd Hoffmann | |
1085 | 94527ead | Gerd Hoffmann | return 0; |
1086 | 94527ead | Gerd Hoffmann | } |
1087 | 94527ead | Gerd Hoffmann | |
1088 | 94527ead | Gerd Hoffmann | static void ehci_async_complete_packet(USBDevice *dev, USBPacket *packet) |
1089 | 94527ead | Gerd Hoffmann | { |
1090 | 0122f472 | Gerd Hoffmann | EHCIQueue *q = container_of(packet, EHCIQueue, packet); |
1091 | 94527ead | Gerd Hoffmann | |
1092 | 8ac6d699 | Gerd Hoffmann | trace_usb_ehci_queue_action(q, "wakeup");
|
1093 | 8ac6d699 | Gerd Hoffmann | assert(q->async == EHCI_ASYNC_INFLIGHT); |
1094 | 0122f472 | Gerd Hoffmann | q->async = EHCI_ASYNC_FINISHED; |
1095 | 0122f472 | Gerd Hoffmann | q->usb_status = packet->len; |
1096 | 94527ead | Gerd Hoffmann | } |
1097 | 94527ead | Gerd Hoffmann | |
1098 | 0122f472 | Gerd Hoffmann | static void ehci_execute_complete(EHCIQueue *q) |
1099 | 94527ead | Gerd Hoffmann | { |
1100 | 94527ead | Gerd Hoffmann | int c_err, reload;
|
1101 | 94527ead | Gerd Hoffmann | |
1102 | 8ac6d699 | Gerd Hoffmann | assert(q->async != EHCI_ASYNC_INFLIGHT); |
1103 | 0122f472 | Gerd Hoffmann | q->async = EHCI_ASYNC_NONE; |
1104 | 94527ead | Gerd Hoffmann | |
1105 | 94527ead | Gerd Hoffmann | DPRINTF("execute_complete: qhaddr 0x%x, next %x, qtdaddr 0x%x, status %d\n",
|
1106 | 0122f472 | Gerd Hoffmann | q->qhaddr, q->qh.next, q->qtdaddr, q->usb_status); |
1107 | 94527ead | Gerd Hoffmann | |
1108 | 0122f472 | Gerd Hoffmann | if (q->usb_status < 0) { |
1109 | 94527ead | Gerd Hoffmann | err:
|
1110 | 94527ead | Gerd Hoffmann | /* TO-DO: put this is in a function that can be invoked below as well */
|
1111 | 0122f472 | Gerd Hoffmann | c_err = get_field(q->qh.token, QTD_TOKEN_CERR); |
1112 | 94527ead | Gerd Hoffmann | c_err--; |
1113 | 0122f472 | Gerd Hoffmann | set_field(&q->qh.token, c_err, QTD_TOKEN_CERR); |
1114 | 94527ead | Gerd Hoffmann | |
1115 | 0122f472 | Gerd Hoffmann | switch(q->usb_status) {
|
1116 | 94527ead | Gerd Hoffmann | case USB_RET_NODEV:
|
1117 | 94527ead | Gerd Hoffmann | fprintf(stderr, "USB no device\n");
|
1118 | 94527ead | Gerd Hoffmann | break;
|
1119 | 94527ead | Gerd Hoffmann | case USB_RET_STALL:
|
1120 | 94527ead | Gerd Hoffmann | fprintf(stderr, "USB stall\n");
|
1121 | 0122f472 | Gerd Hoffmann | q->qh.token |= QTD_TOKEN_HALT; |
1122 | 0122f472 | Gerd Hoffmann | ehci_record_interrupt(q->ehci, USBSTS_ERRINT); |
1123 | 94527ead | Gerd Hoffmann | break;
|
1124 | 94527ead | Gerd Hoffmann | case USB_RET_NAK:
|
1125 | 94527ead | Gerd Hoffmann | /* 4.10.3 */
|
1126 | 0122f472 | Gerd Hoffmann | reload = get_field(q->qh.epchar, QH_EPCHAR_RL); |
1127 | 0122f472 | Gerd Hoffmann | if ((q->pid == USB_TOKEN_IN) && reload) {
|
1128 | 0122f472 | Gerd Hoffmann | int nakcnt = get_field(q->qh.altnext_qtd, QH_ALTNEXT_NAKCNT);
|
1129 | 94527ead | Gerd Hoffmann | nakcnt--; |
1130 | 0122f472 | Gerd Hoffmann | set_field(&q->qh.altnext_qtd, nakcnt, QH_ALTNEXT_NAKCNT); |
1131 | 94527ead | Gerd Hoffmann | } else if (!reload) { |
1132 | 0122f472 | Gerd Hoffmann | return;
|
1133 | 94527ead | Gerd Hoffmann | } |
1134 | 94527ead | Gerd Hoffmann | break;
|
1135 | 94527ead | Gerd Hoffmann | case USB_RET_BABBLE:
|
1136 | 94527ead | Gerd Hoffmann | fprintf(stderr, "USB babble TODO\n");
|
1137 | 0122f472 | Gerd Hoffmann | q->qh.token |= QTD_TOKEN_BABBLE; |
1138 | 0122f472 | Gerd Hoffmann | ehci_record_interrupt(q->ehci, USBSTS_ERRINT); |
1139 | 94527ead | Gerd Hoffmann | break;
|
1140 | 94527ead | Gerd Hoffmann | default:
|
1141 | 0122f472 | Gerd Hoffmann | /* should not be triggerable */
|
1142 | 0122f472 | Gerd Hoffmann | fprintf(stderr, "USB invalid response %d to handle\n", q->usb_status);
|
1143 | 0122f472 | Gerd Hoffmann | assert(0);
|
1144 | 94527ead | Gerd Hoffmann | break;
|
1145 | 94527ead | Gerd Hoffmann | } |
1146 | 94527ead | Gerd Hoffmann | } else {
|
1147 | 94527ead | Gerd Hoffmann | // DPRINTF("Short packet condition\n");
|
1148 | 94527ead | Gerd Hoffmann | // TODO check 4.12 for splits
|
1149 | 94527ead | Gerd Hoffmann | |
1150 | 0122f472 | Gerd Hoffmann | if ((q->usb_status > q->tbytes) && (q->pid == USB_TOKEN_IN)) {
|
1151 | 0122f472 | Gerd Hoffmann | q->usb_status = USB_RET_BABBLE; |
1152 | 94527ead | Gerd Hoffmann | goto err;
|
1153 | 94527ead | Gerd Hoffmann | } |
1154 | 94527ead | Gerd Hoffmann | |
1155 | 0122f472 | Gerd Hoffmann | if (q->tbytes && q->pid == USB_TOKEN_IN) {
|
1156 | 0122f472 | Gerd Hoffmann | if (ehci_buffer_rw(q, q->usb_status, 1) != 0) { |
1157 | 0122f472 | Gerd Hoffmann | q->usb_status = USB_RET_PROCERR; |
1158 | 0122f472 | Gerd Hoffmann | return;
|
1159 | 94527ead | Gerd Hoffmann | } |
1160 | 0122f472 | Gerd Hoffmann | q->tbytes -= q->usb_status; |
1161 | 94527ead | Gerd Hoffmann | } else {
|
1162 | 0122f472 | Gerd Hoffmann | q->tbytes = 0;
|
1163 | 94527ead | Gerd Hoffmann | } |
1164 | 94527ead | Gerd Hoffmann | |
1165 | 0122f472 | Gerd Hoffmann | DPRINTF("updating tbytes to %d\n", q->tbytes);
|
1166 | 0122f472 | Gerd Hoffmann | set_field(&q->qh.token, q->tbytes, QTD_TOKEN_TBYTES); |
1167 | 94527ead | Gerd Hoffmann | } |
1168 | 94527ead | Gerd Hoffmann | |
1169 | 0122f472 | Gerd Hoffmann | q->qh.token ^= QTD_TOKEN_DTOGGLE; |
1170 | 0122f472 | Gerd Hoffmann | q->qh.token &= ~QTD_TOKEN_ACTIVE; |
1171 | 94527ead | Gerd Hoffmann | |
1172 | 0122f472 | Gerd Hoffmann | if ((q->usb_status >= 0) && (q->qh.token & QTD_TOKEN_IOC)) { |
1173 | 0122f472 | Gerd Hoffmann | ehci_record_interrupt(q->ehci, USBSTS_INT); |
1174 | 94527ead | Gerd Hoffmann | } |
1175 | 94527ead | Gerd Hoffmann | } |
1176 | 94527ead | Gerd Hoffmann | |
1177 | 94527ead | Gerd Hoffmann | // 4.10.3
|
1178 | 94527ead | Gerd Hoffmann | |
1179 | 0122f472 | Gerd Hoffmann | static int ehci_execute(EHCIQueue *q) |
1180 | 94527ead | Gerd Hoffmann | { |
1181 | 94527ead | Gerd Hoffmann | USBPort *port; |
1182 | 94527ead | Gerd Hoffmann | USBDevice *dev; |
1183 | 94527ead | Gerd Hoffmann | int ret;
|
1184 | 94527ead | Gerd Hoffmann | int i;
|
1185 | 94527ead | Gerd Hoffmann | int endp;
|
1186 | 94527ead | Gerd Hoffmann | int devadr;
|
1187 | 94527ead | Gerd Hoffmann | |
1188 | 0122f472 | Gerd Hoffmann | if ( !(q->qh.token & QTD_TOKEN_ACTIVE)) {
|
1189 | 94527ead | Gerd Hoffmann | fprintf(stderr, "Attempting to execute inactive QH\n");
|
1190 | 94527ead | Gerd Hoffmann | return USB_RET_PROCERR;
|
1191 | 94527ead | Gerd Hoffmann | } |
1192 | 94527ead | Gerd Hoffmann | |
1193 | 0122f472 | Gerd Hoffmann | q->tbytes = (q->qh.token & QTD_TOKEN_TBYTES_MASK) >> QTD_TOKEN_TBYTES_SH; |
1194 | 0122f472 | Gerd Hoffmann | if (q->tbytes > BUFF_SIZE) {
|
1195 | 94527ead | Gerd Hoffmann | fprintf(stderr, "Request for more bytes than allowed\n");
|
1196 | 94527ead | Gerd Hoffmann | return USB_RET_PROCERR;
|
1197 | 94527ead | Gerd Hoffmann | } |
1198 | 94527ead | Gerd Hoffmann | |
1199 | 0122f472 | Gerd Hoffmann | q->pid = (q->qh.token & QTD_TOKEN_PID_MASK) >> QTD_TOKEN_PID_SH; |
1200 | 0122f472 | Gerd Hoffmann | switch(q->pid) {
|
1201 | 0122f472 | Gerd Hoffmann | case 0: q->pid = USB_TOKEN_OUT; break; |
1202 | 0122f472 | Gerd Hoffmann | case 1: q->pid = USB_TOKEN_IN; break; |
1203 | 0122f472 | Gerd Hoffmann | case 2: q->pid = USB_TOKEN_SETUP; break; |
1204 | 94527ead | Gerd Hoffmann | default: fprintf(stderr, "bad token\n"); break; |
1205 | 94527ead | Gerd Hoffmann | } |
1206 | 94527ead | Gerd Hoffmann | |
1207 | 0122f472 | Gerd Hoffmann | if ((q->tbytes && q->pid != USB_TOKEN_IN) &&
|
1208 | 0122f472 | Gerd Hoffmann | (ehci_buffer_rw(q, q->tbytes, 0) != 0)) { |
1209 | 94527ead | Gerd Hoffmann | return USB_RET_PROCERR;
|
1210 | 94527ead | Gerd Hoffmann | } |
1211 | 94527ead | Gerd Hoffmann | |
1212 | 0122f472 | Gerd Hoffmann | endp = get_field(q->qh.epchar, QH_EPCHAR_EP); |
1213 | 0122f472 | Gerd Hoffmann | devadr = get_field(q->qh.epchar, QH_EPCHAR_DEVADDR); |
1214 | 94527ead | Gerd Hoffmann | |
1215 | 94527ead | Gerd Hoffmann | ret = USB_RET_NODEV; |
1216 | 94527ead | Gerd Hoffmann | |
1217 | 94527ead | Gerd Hoffmann | // TO-DO: associating device with ehci port
|
1218 | 94527ead | Gerd Hoffmann | for(i = 0; i < NB_PORTS; i++) { |
1219 | 0122f472 | Gerd Hoffmann | port = &q->ehci->ports[i]; |
1220 | 94527ead | Gerd Hoffmann | dev = port->dev; |
1221 | 94527ead | Gerd Hoffmann | |
1222 | 94527ead | Gerd Hoffmann | // TODO sometime we will also need to check if we are the port owner
|
1223 | 94527ead | Gerd Hoffmann | |
1224 | 0122f472 | Gerd Hoffmann | if (!(q->ehci->portsc[i] &(PORTSC_CONNECT))) {
|
1225 | 94527ead | Gerd Hoffmann | DPRINTF("Port %d, no exec, not connected(%08X)\n",
|
1226 | 0122f472 | Gerd Hoffmann | i, q->ehci->portsc[i]); |
1227 | 94527ead | Gerd Hoffmann | continue;
|
1228 | 94527ead | Gerd Hoffmann | } |
1229 | 94527ead | Gerd Hoffmann | |
1230 | 0122f472 | Gerd Hoffmann | q->packet.pid = q->pid; |
1231 | 0122f472 | Gerd Hoffmann | q->packet.devaddr = devadr; |
1232 | 0122f472 | Gerd Hoffmann | q->packet.devep = endp; |
1233 | 0122f472 | Gerd Hoffmann | q->packet.data = q->buffer; |
1234 | 0122f472 | Gerd Hoffmann | q->packet.len = q->tbytes; |
1235 | 94527ead | Gerd Hoffmann | |
1236 | 0122f472 | Gerd Hoffmann | ret = usb_handle_packet(dev, &q->packet); |
1237 | 94527ead | Gerd Hoffmann | |
1238 | 94527ead | Gerd Hoffmann | DPRINTF("submit: qh %x next %x qtd %x pid %x len %d (total %d) endp %x ret %d\n",
|
1239 | 0122f472 | Gerd Hoffmann | q->qhaddr, q->qh.next, q->qtdaddr, q->pid, |
1240 | 0122f472 | Gerd Hoffmann | q->packet.len, q->tbytes, endp, ret); |
1241 | 94527ead | Gerd Hoffmann | |
1242 | 94527ead | Gerd Hoffmann | if (ret != USB_RET_NODEV) {
|
1243 | 94527ead | Gerd Hoffmann | break;
|
1244 | 94527ead | Gerd Hoffmann | } |
1245 | 94527ead | Gerd Hoffmann | } |
1246 | 94527ead | Gerd Hoffmann | |
1247 | 94527ead | Gerd Hoffmann | if (ret > BUFF_SIZE) {
|
1248 | 94527ead | Gerd Hoffmann | fprintf(stderr, "ret from usb_handle_packet > BUFF_SIZE\n");
|
1249 | 94527ead | Gerd Hoffmann | return USB_RET_PROCERR;
|
1250 | 94527ead | Gerd Hoffmann | } |
1251 | 94527ead | Gerd Hoffmann | |
1252 | 94527ead | Gerd Hoffmann | return ret;
|
1253 | 94527ead | Gerd Hoffmann | } |
1254 | 94527ead | Gerd Hoffmann | |
1255 | 94527ead | Gerd Hoffmann | /* 4.7.2
|
1256 | 94527ead | Gerd Hoffmann | */
|
1257 | 94527ead | Gerd Hoffmann | |
1258 | 94527ead | Gerd Hoffmann | static int ehci_process_itd(EHCIState *ehci, |
1259 | 94527ead | Gerd Hoffmann | EHCIitd *itd) |
1260 | 94527ead | Gerd Hoffmann | { |
1261 | 94527ead | Gerd Hoffmann | USBPort *port; |
1262 | 94527ead | Gerd Hoffmann | USBDevice *dev; |
1263 | 94527ead | Gerd Hoffmann | int ret;
|
1264 | 94527ead | Gerd Hoffmann | int i, j;
|
1265 | 94527ead | Gerd Hoffmann | int ptr;
|
1266 | 94527ead | Gerd Hoffmann | int pid;
|
1267 | 94527ead | Gerd Hoffmann | int pg;
|
1268 | 94527ead | Gerd Hoffmann | int len;
|
1269 | 94527ead | Gerd Hoffmann | int dir;
|
1270 | 94527ead | Gerd Hoffmann | int devadr;
|
1271 | 94527ead | Gerd Hoffmann | int endp;
|
1272 | 94527ead | Gerd Hoffmann | int maxpkt;
|
1273 | 94527ead | Gerd Hoffmann | |
1274 | 94527ead | Gerd Hoffmann | dir =(itd->bufptr[1] & ITD_BUFPTR_DIRECTION);
|
1275 | 94527ead | Gerd Hoffmann | devadr = get_field(itd->bufptr[0], ITD_BUFPTR_DEVADDR);
|
1276 | 94527ead | Gerd Hoffmann | endp = get_field(itd->bufptr[0], ITD_BUFPTR_EP);
|
1277 | 94527ead | Gerd Hoffmann | maxpkt = get_field(itd->bufptr[1], ITD_BUFPTR_MAXPKT);
|
1278 | 94527ead | Gerd Hoffmann | |
1279 | 94527ead | Gerd Hoffmann | for(i = 0; i < 8; i++) { |
1280 | 94527ead | Gerd Hoffmann | if (itd->transact[i] & ITD_XACT_ACTIVE) {
|
1281 | 94527ead | Gerd Hoffmann | DPRINTF("ISOCHRONOUS active for frame %d, interval %d\n",
|
1282 | 94527ead | Gerd Hoffmann | ehci->frindex >> 3, i);
|
1283 | 94527ead | Gerd Hoffmann | |
1284 | 94527ead | Gerd Hoffmann | pg = get_field(itd->transact[i], ITD_XACT_PGSEL); |
1285 | 94527ead | Gerd Hoffmann | ptr = (itd->bufptr[pg] & ITD_BUFPTR_MASK) | |
1286 | 94527ead | Gerd Hoffmann | (itd->transact[i] & ITD_XACT_OFFSET_MASK); |
1287 | 94527ead | Gerd Hoffmann | len = get_field(itd->transact[i], ITD_XACT_LENGTH); |
1288 | 94527ead | Gerd Hoffmann | |
1289 | 94527ead | Gerd Hoffmann | if (len > BUFF_SIZE) {
|
1290 | 94527ead | Gerd Hoffmann | return USB_RET_PROCERR;
|
1291 | 94527ead | Gerd Hoffmann | } |
1292 | 94527ead | Gerd Hoffmann | |
1293 | 94527ead | Gerd Hoffmann | DPRINTF("ISOCH: buffer %08X len %d\n", ptr, len);
|
1294 | 94527ead | Gerd Hoffmann | |
1295 | 94527ead | Gerd Hoffmann | if (!dir) {
|
1296 | 0122f472 | Gerd Hoffmann | cpu_physical_memory_rw(ptr, &ehci->ibuffer[0], len, 0); |
1297 | 94527ead | Gerd Hoffmann | pid = USB_TOKEN_OUT; |
1298 | 94527ead | Gerd Hoffmann | } else
|
1299 | 94527ead | Gerd Hoffmann | pid = USB_TOKEN_IN; |
1300 | 94527ead | Gerd Hoffmann | |
1301 | 94527ead | Gerd Hoffmann | ret = USB_RET_NODEV; |
1302 | 94527ead | Gerd Hoffmann | |
1303 | 94527ead | Gerd Hoffmann | for (j = 0; j < NB_PORTS; j++) { |
1304 | 94527ead | Gerd Hoffmann | port = &ehci->ports[j]; |
1305 | 94527ead | Gerd Hoffmann | dev = port->dev; |
1306 | 94527ead | Gerd Hoffmann | |
1307 | 94527ead | Gerd Hoffmann | // TODO sometime we will also need to check if we are the port owner
|
1308 | 94527ead | Gerd Hoffmann | |
1309 | 94527ead | Gerd Hoffmann | if (!(ehci->portsc[j] &(PORTSC_CONNECT))) {
|
1310 | 94527ead | Gerd Hoffmann | DPRINTF("Port %d, no exec, not connected(%08X)\n",
|
1311 | 94527ead | Gerd Hoffmann | j, ehci->portsc[j]); |
1312 | 94527ead | Gerd Hoffmann | continue;
|
1313 | 94527ead | Gerd Hoffmann | } |
1314 | 94527ead | Gerd Hoffmann | |
1315 | 0122f472 | Gerd Hoffmann | ehci->ipacket.pid = pid; |
1316 | 0122f472 | Gerd Hoffmann | ehci->ipacket.devaddr = devadr; |
1317 | 0122f472 | Gerd Hoffmann | ehci->ipacket.devep = endp; |
1318 | 0122f472 | Gerd Hoffmann | ehci->ipacket.data = ehci->ibuffer; |
1319 | 0122f472 | Gerd Hoffmann | ehci->ipacket.len = len; |
1320 | 94527ead | Gerd Hoffmann | |
1321 | 94527ead | Gerd Hoffmann | DPRINTF("calling usb_handle_packet\n");
|
1322 | 0122f472 | Gerd Hoffmann | ret = usb_handle_packet(dev, &ehci->ipacket); |
1323 | 94527ead | Gerd Hoffmann | |
1324 | 94527ead | Gerd Hoffmann | if (ret != USB_RET_NODEV) {
|
1325 | 94527ead | Gerd Hoffmann | break;
|
1326 | 94527ead | Gerd Hoffmann | } |
1327 | 94527ead | Gerd Hoffmann | } |
1328 | 94527ead | Gerd Hoffmann | |
1329 | 94527ead | Gerd Hoffmann | /* In isoch, there is no facility to indicate a NAK so let's
|
1330 | 94527ead | Gerd Hoffmann | * instead just complete a zero-byte transaction. Setting
|
1331 | 94527ead | Gerd Hoffmann | * DBERR seems too draconian.
|
1332 | 94527ead | Gerd Hoffmann | */
|
1333 | 94527ead | Gerd Hoffmann | |
1334 | 94527ead | Gerd Hoffmann | if (ret == USB_RET_NAK) {
|
1335 | 94527ead | Gerd Hoffmann | if (ehci->isoch_pause > 0) { |
1336 | 94527ead | Gerd Hoffmann | DPRINTF("ISOCH: received a NAK but paused so returning\n");
|
1337 | 94527ead | Gerd Hoffmann | ehci->isoch_pause--; |
1338 | 94527ead | Gerd Hoffmann | return 0; |
1339 | 94527ead | Gerd Hoffmann | } else if (ehci->isoch_pause == -1) { |
1340 | 94527ead | Gerd Hoffmann | DPRINTF("ISOCH: recv NAK & isoch pause inactive, setting\n");
|
1341 | 94527ead | Gerd Hoffmann | // Pause frindex for up to 50 msec waiting for data from
|
1342 | 94527ead | Gerd Hoffmann | // remote
|
1343 | 94527ead | Gerd Hoffmann | ehci->isoch_pause = 50;
|
1344 | 94527ead | Gerd Hoffmann | return 0; |
1345 | 94527ead | Gerd Hoffmann | } else {
|
1346 | 94527ead | Gerd Hoffmann | DPRINTF("ISOCH: isoch pause timeout! return 0\n");
|
1347 | 94527ead | Gerd Hoffmann | ret = 0;
|
1348 | 94527ead | Gerd Hoffmann | } |
1349 | 94527ead | Gerd Hoffmann | } else {
|
1350 | 94527ead | Gerd Hoffmann | DPRINTF("ISOCH: received ACK, clearing pause\n");
|
1351 | 94527ead | Gerd Hoffmann | ehci->isoch_pause = -1;
|
1352 | 94527ead | Gerd Hoffmann | } |
1353 | 94527ead | Gerd Hoffmann | |
1354 | 94527ead | Gerd Hoffmann | if (ret >= 0) { |
1355 | 94527ead | Gerd Hoffmann | itd->transact[i] &= ~ITD_XACT_ACTIVE; |
1356 | 94527ead | Gerd Hoffmann | |
1357 | 94527ead | Gerd Hoffmann | if (itd->transact[i] & ITD_XACT_IOC) {
|
1358 | 94527ead | Gerd Hoffmann | ehci_record_interrupt(ehci, USBSTS_INT); |
1359 | 94527ead | Gerd Hoffmann | } |
1360 | 94527ead | Gerd Hoffmann | } |
1361 | 94527ead | Gerd Hoffmann | |
1362 | 94527ead | Gerd Hoffmann | if (ret >= 0 && dir) { |
1363 | 0122f472 | Gerd Hoffmann | cpu_physical_memory_rw(ptr, &ehci->ibuffer[0], len, 1); |
1364 | 94527ead | Gerd Hoffmann | |
1365 | 94527ead | Gerd Hoffmann | if (ret != len) {
|
1366 | 94527ead | Gerd Hoffmann | DPRINTF("ISOCH IN expected %d, got %d\n",
|
1367 | 94527ead | Gerd Hoffmann | len, ret); |
1368 | 94527ead | Gerd Hoffmann | set_field(&itd->transact[i], ret, ITD_XACT_LENGTH); |
1369 | 94527ead | Gerd Hoffmann | } |
1370 | 94527ead | Gerd Hoffmann | } |
1371 | 94527ead | Gerd Hoffmann | } |
1372 | 94527ead | Gerd Hoffmann | } |
1373 | 94527ead | Gerd Hoffmann | return 0; |
1374 | 94527ead | Gerd Hoffmann | } |
1375 | 94527ead | Gerd Hoffmann | |
1376 | 94527ead | Gerd Hoffmann | /* This state is the entry point for asynchronous schedule
|
1377 | 94527ead | Gerd Hoffmann | * processing. Entry here consitutes a EHCI start event state (4.8.5)
|
1378 | 94527ead | Gerd Hoffmann | */
|
1379 | 26d53979 | Gerd Hoffmann | static int ehci_state_waitlisthead(EHCIState *ehci, int async) |
1380 | 94527ead | Gerd Hoffmann | { |
1381 | 0122f472 | Gerd Hoffmann | EHCIqh qh; |
1382 | 94527ead | Gerd Hoffmann | int i = 0; |
1383 | 94527ead | Gerd Hoffmann | int again = 0; |
1384 | 94527ead | Gerd Hoffmann | uint32_t entry = ehci->asynclistaddr; |
1385 | 94527ead | Gerd Hoffmann | |
1386 | 94527ead | Gerd Hoffmann | /* set reclamation flag at start event (4.8.6) */
|
1387 | 94527ead | Gerd Hoffmann | if (async) {
|
1388 | 439a97cc | Gerd Hoffmann | ehci_set_usbsts(ehci, USBSTS_REC); |
1389 | 94527ead | Gerd Hoffmann | } |
1390 | 94527ead | Gerd Hoffmann | |
1391 | 8ac6d699 | Gerd Hoffmann | ehci_queues_rip_unused(ehci); |
1392 | 8ac6d699 | Gerd Hoffmann | |
1393 | 94527ead | Gerd Hoffmann | /* Find the head of the list (4.9.1.1) */
|
1394 | 94527ead | Gerd Hoffmann | for(i = 0; i < MAX_QH; i++) { |
1395 | 0122f472 | Gerd Hoffmann | get_dwords(NLPTR_GET(entry), (uint32_t *) &qh, sizeof(EHCIqh) >> 2); |
1396 | 8ac6d699 | Gerd Hoffmann | ehci_trace_qh(NULL, NLPTR_GET(entry), &qh);
|
1397 | 94527ead | Gerd Hoffmann | |
1398 | 0122f472 | Gerd Hoffmann | if (qh.epchar & QH_EPCHAR_H) {
|
1399 | 94527ead | Gerd Hoffmann | if (async) {
|
1400 | 94527ead | Gerd Hoffmann | entry |= (NLPTR_TYPE_QH << 1);
|
1401 | 94527ead | Gerd Hoffmann | } |
1402 | 94527ead | Gerd Hoffmann | |
1403 | 0122f472 | Gerd Hoffmann | ehci_set_fetch_addr(ehci, async, entry); |
1404 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_FETCHENTRY); |
1405 | 94527ead | Gerd Hoffmann | again = 1;
|
1406 | 94527ead | Gerd Hoffmann | goto out;
|
1407 | 94527ead | Gerd Hoffmann | } |
1408 | 94527ead | Gerd Hoffmann | |
1409 | 0122f472 | Gerd Hoffmann | entry = qh.next; |
1410 | 94527ead | Gerd Hoffmann | if (entry == ehci->asynclistaddr) {
|
1411 | 94527ead | Gerd Hoffmann | break;
|
1412 | 94527ead | Gerd Hoffmann | } |
1413 | 94527ead | Gerd Hoffmann | } |
1414 | 94527ead | Gerd Hoffmann | |
1415 | 94527ead | Gerd Hoffmann | /* no head found for list. */
|
1416 | 94527ead | Gerd Hoffmann | |
1417 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_ACTIVE); |
1418 | 94527ead | Gerd Hoffmann | |
1419 | 94527ead | Gerd Hoffmann | out:
|
1420 | 94527ead | Gerd Hoffmann | return again;
|
1421 | 94527ead | Gerd Hoffmann | } |
1422 | 94527ead | Gerd Hoffmann | |
1423 | 94527ead | Gerd Hoffmann | |
1424 | 94527ead | Gerd Hoffmann | /* This state is the entry point for periodic schedule processing as
|
1425 | 94527ead | Gerd Hoffmann | * well as being a continuation state for async processing.
|
1426 | 94527ead | Gerd Hoffmann | */
|
1427 | 26d53979 | Gerd Hoffmann | static int ehci_state_fetchentry(EHCIState *ehci, int async) |
1428 | 94527ead | Gerd Hoffmann | { |
1429 | 94527ead | Gerd Hoffmann | int again = 0; |
1430 | 0122f472 | Gerd Hoffmann | uint32_t entry = ehci_get_fetch_addr(ehci, async); |
1431 | 94527ead | Gerd Hoffmann | |
1432 | 94527ead | Gerd Hoffmann | #if EHCI_DEBUG == 0 |
1433 | 94527ead | Gerd Hoffmann | if (qemu_get_clock_ns(vm_clock) / 1000 >= ehci->frame_end_usec) { |
1434 | 94527ead | Gerd Hoffmann | if (async) {
|
1435 | 94527ead | Gerd Hoffmann | DPRINTF("FETCHENTRY: FRAME timer elapsed, exit state machine\n");
|
1436 | 94527ead | Gerd Hoffmann | goto out;
|
1437 | 94527ead | Gerd Hoffmann | } else {
|
1438 | 94527ead | Gerd Hoffmann | DPRINTF("FETCHENTRY: WARNING "
|
1439 | 94527ead | Gerd Hoffmann | "- frame timer elapsed during periodic\n");
|
1440 | 94527ead | Gerd Hoffmann | } |
1441 | 94527ead | Gerd Hoffmann | } |
1442 | 94527ead | Gerd Hoffmann | #endif
|
1443 | 94527ead | Gerd Hoffmann | if (entry < 0x1000) { |
1444 | 94527ead | Gerd Hoffmann | DPRINTF("fetchentry: entry invalid (0x%08x)\n", entry);
|
1445 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_ACTIVE); |
1446 | 94527ead | Gerd Hoffmann | goto out;
|
1447 | 94527ead | Gerd Hoffmann | } |
1448 | 94527ead | Gerd Hoffmann | |
1449 | 94527ead | Gerd Hoffmann | /* section 4.8, only QH in async schedule */
|
1450 | 94527ead | Gerd Hoffmann | if (async && (NLPTR_TYPE_GET(entry) != NLPTR_TYPE_QH)) {
|
1451 | 94527ead | Gerd Hoffmann | fprintf(stderr, "non queue head request in async schedule\n");
|
1452 | 94527ead | Gerd Hoffmann | return -1; |
1453 | 94527ead | Gerd Hoffmann | } |
1454 | 94527ead | Gerd Hoffmann | |
1455 | 94527ead | Gerd Hoffmann | switch (NLPTR_TYPE_GET(entry)) {
|
1456 | 94527ead | Gerd Hoffmann | case NLPTR_TYPE_QH:
|
1457 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_FETCHQH); |
1458 | 94527ead | Gerd Hoffmann | again = 1;
|
1459 | 94527ead | Gerd Hoffmann | break;
|
1460 | 94527ead | Gerd Hoffmann | |
1461 | 94527ead | Gerd Hoffmann | case NLPTR_TYPE_ITD:
|
1462 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_FETCHITD); |
1463 | 94527ead | Gerd Hoffmann | again = 1;
|
1464 | 94527ead | Gerd Hoffmann | break;
|
1465 | 94527ead | Gerd Hoffmann | |
1466 | 94527ead | Gerd Hoffmann | default:
|
1467 | 94527ead | Gerd Hoffmann | // TODO: handle siTD and FSTN types
|
1468 | 94527ead | Gerd Hoffmann | fprintf(stderr, "FETCHENTRY: entry at %X is of type %d "
|
1469 | 94527ead | Gerd Hoffmann | "which is not supported yet\n", entry, NLPTR_TYPE_GET(entry));
|
1470 | 94527ead | Gerd Hoffmann | return -1; |
1471 | 94527ead | Gerd Hoffmann | } |
1472 | 94527ead | Gerd Hoffmann | |
1473 | 94527ead | Gerd Hoffmann | out:
|
1474 | 94527ead | Gerd Hoffmann | return again;
|
1475 | 94527ead | Gerd Hoffmann | } |
1476 | 94527ead | Gerd Hoffmann | |
1477 | 0122f472 | Gerd Hoffmann | static EHCIQueue *ehci_state_fetchqh(EHCIState *ehci, int async) |
1478 | 94527ead | Gerd Hoffmann | { |
1479 | 0122f472 | Gerd Hoffmann | uint32_t entry; |
1480 | 0122f472 | Gerd Hoffmann | EHCIQueue *q; |
1481 | 94527ead | Gerd Hoffmann | int reload;
|
1482 | 94527ead | Gerd Hoffmann | |
1483 | 0122f472 | Gerd Hoffmann | entry = ehci_get_fetch_addr(ehci, async); |
1484 | 8ac6d699 | Gerd Hoffmann | q = ehci_find_queue_by_qh(ehci, entry); |
1485 | 8ac6d699 | Gerd Hoffmann | if (NULL == q) { |
1486 | 8ac6d699 | Gerd Hoffmann | q = ehci_alloc_queue(ehci, async); |
1487 | 8ac6d699 | Gerd Hoffmann | } |
1488 | 0122f472 | Gerd Hoffmann | q->qhaddr = entry; |
1489 | 8ac6d699 | Gerd Hoffmann | q->seen++; |
1490 | 8ac6d699 | Gerd Hoffmann | |
1491 | 8ac6d699 | Gerd Hoffmann | if (q->seen > 1) { |
1492 | 8ac6d699 | Gerd Hoffmann | /* we are going in circles -- stop processing */
|
1493 | 8ac6d699 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_ACTIVE); |
1494 | 8ac6d699 | Gerd Hoffmann | q = NULL;
|
1495 | 8ac6d699 | Gerd Hoffmann | goto out;
|
1496 | 8ac6d699 | Gerd Hoffmann | } |
1497 | 94527ead | Gerd Hoffmann | |
1498 | 0122f472 | Gerd Hoffmann | get_dwords(NLPTR_GET(q->qhaddr), (uint32_t *) &q->qh, sizeof(EHCIqh) >> 2); |
1499 | 8ac6d699 | Gerd Hoffmann | ehci_trace_qh(q, NLPTR_GET(q->qhaddr), &q->qh); |
1500 | 8ac6d699 | Gerd Hoffmann | |
1501 | 8ac6d699 | Gerd Hoffmann | if (q->async == EHCI_ASYNC_INFLIGHT) {
|
1502 | 8ac6d699 | Gerd Hoffmann | /* I/O still in progress -- skip queue */
|
1503 | 8ac6d699 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_HORIZONTALQH); |
1504 | 8ac6d699 | Gerd Hoffmann | goto out;
|
1505 | 8ac6d699 | Gerd Hoffmann | } |
1506 | 8ac6d699 | Gerd Hoffmann | if (q->async == EHCI_ASYNC_FINISHED) {
|
1507 | 8ac6d699 | Gerd Hoffmann | /* I/O finished -- continue processing queue */
|
1508 | 8ac6d699 | Gerd Hoffmann | trace_usb_ehci_queue_action(q, "resume");
|
1509 | 8ac6d699 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_EXECUTING); |
1510 | 8ac6d699 | Gerd Hoffmann | goto out;
|
1511 | 8ac6d699 | Gerd Hoffmann | } |
1512 | 0122f472 | Gerd Hoffmann | |
1513 | 0122f472 | Gerd Hoffmann | if (async && (q->qh.epchar & QH_EPCHAR_H)) {
|
1514 | 94527ead | Gerd Hoffmann | |
1515 | 94527ead | Gerd Hoffmann | /* EHCI spec version 1.0 Section 4.8.3 & 4.10.1 */
|
1516 | 94527ead | Gerd Hoffmann | if (ehci->usbsts & USBSTS_REC) {
|
1517 | 439a97cc | Gerd Hoffmann | ehci_clear_usbsts(ehci, USBSTS_REC); |
1518 | 94527ead | Gerd Hoffmann | } else {
|
1519 | 94527ead | Gerd Hoffmann | DPRINTF("FETCHQH: QH 0x%08x. H-bit set, reclamation status reset"
|
1520 | 0122f472 | Gerd Hoffmann | " - done processing\n", q->qhaddr);
|
1521 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_ACTIVE); |
1522 | 0122f472 | Gerd Hoffmann | q = NULL;
|
1523 | 94527ead | Gerd Hoffmann | goto out;
|
1524 | 94527ead | Gerd Hoffmann | } |
1525 | 94527ead | Gerd Hoffmann | } |
1526 | 94527ead | Gerd Hoffmann | |
1527 | 94527ead | Gerd Hoffmann | #if EHCI_DEBUG
|
1528 | 0122f472 | Gerd Hoffmann | if (q->qhaddr != q->qh.next) {
|
1529 | 94527ead | Gerd Hoffmann | DPRINTF("FETCHQH: QH 0x%08x (h %x halt %x active %x) next 0x%08x\n",
|
1530 | 0122f472 | Gerd Hoffmann | q->qhaddr, |
1531 | 0122f472 | Gerd Hoffmann | q->qh.epchar & QH_EPCHAR_H, |
1532 | 0122f472 | Gerd Hoffmann | q->qh.token & QTD_TOKEN_HALT, |
1533 | 0122f472 | Gerd Hoffmann | q->qh.token & QTD_TOKEN_ACTIVE, |
1534 | 0122f472 | Gerd Hoffmann | q->qh.next); |
1535 | 94527ead | Gerd Hoffmann | } |
1536 | 94527ead | Gerd Hoffmann | #endif
|
1537 | 94527ead | Gerd Hoffmann | |
1538 | 0122f472 | Gerd Hoffmann | reload = get_field(q->qh.epchar, QH_EPCHAR_RL); |
1539 | 94527ead | Gerd Hoffmann | if (reload) {
|
1540 | 0122f472 | Gerd Hoffmann | set_field(&q->qh.altnext_qtd, reload, QH_ALTNEXT_NAKCNT); |
1541 | 94527ead | Gerd Hoffmann | } |
1542 | 94527ead | Gerd Hoffmann | |
1543 | 0122f472 | Gerd Hoffmann | if (q->qh.token & QTD_TOKEN_HALT) {
|
1544 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_HORIZONTALQH); |
1545 | 94527ead | Gerd Hoffmann | |
1546 | 0122f472 | Gerd Hoffmann | } else if ((q->qh.token & QTD_TOKEN_ACTIVE) && (q->qh.current_qtd > 0x1000)) { |
1547 | 0122f472 | Gerd Hoffmann | q->qtdaddr = q->qh.current_qtd; |
1548 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_FETCHQTD); |
1549 | 94527ead | Gerd Hoffmann | |
1550 | 94527ead | Gerd Hoffmann | } else {
|
1551 | 94527ead | Gerd Hoffmann | /* EHCI spec version 1.0 Section 4.10.2 */
|
1552 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_ADVANCEQUEUE); |
1553 | 94527ead | Gerd Hoffmann | } |
1554 | 94527ead | Gerd Hoffmann | |
1555 | 94527ead | Gerd Hoffmann | out:
|
1556 | 0122f472 | Gerd Hoffmann | return q;
|
1557 | 94527ead | Gerd Hoffmann | } |
1558 | 94527ead | Gerd Hoffmann | |
1559 | 26d53979 | Gerd Hoffmann | static int ehci_state_fetchitd(EHCIState *ehci, int async) |
1560 | 94527ead | Gerd Hoffmann | { |
1561 | 0122f472 | Gerd Hoffmann | uint32_t entry; |
1562 | 94527ead | Gerd Hoffmann | EHCIitd itd; |
1563 | 94527ead | Gerd Hoffmann | |
1564 | 0122f472 | Gerd Hoffmann | assert(!async); |
1565 | 0122f472 | Gerd Hoffmann | entry = ehci_get_fetch_addr(ehci, async); |
1566 | 0122f472 | Gerd Hoffmann | |
1567 | 0122f472 | Gerd Hoffmann | get_dwords(NLPTR_GET(entry),(uint32_t *) &itd, |
1568 | 94527ead | Gerd Hoffmann | sizeof(EHCIitd) >> 2); |
1569 | 0122f472 | Gerd Hoffmann | ehci_trace_itd(ehci, entry, &itd); |
1570 | 94527ead | Gerd Hoffmann | |
1571 | 94527ead | Gerd Hoffmann | if (ehci_process_itd(ehci, &itd) != 0) { |
1572 | 94527ead | Gerd Hoffmann | return -1; |
1573 | 94527ead | Gerd Hoffmann | } |
1574 | 94527ead | Gerd Hoffmann | |
1575 | 0122f472 | Gerd Hoffmann | put_dwords(NLPTR_GET(entry), (uint32_t *) &itd, |
1576 | 94527ead | Gerd Hoffmann | sizeof(EHCIitd) >> 2); |
1577 | 0122f472 | Gerd Hoffmann | ehci_set_fetch_addr(ehci, async, itd.next); |
1578 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_FETCHENTRY); |
1579 | 94527ead | Gerd Hoffmann | |
1580 | 94527ead | Gerd Hoffmann | return 1; |
1581 | 94527ead | Gerd Hoffmann | } |
1582 | 94527ead | Gerd Hoffmann | |
1583 | 94527ead | Gerd Hoffmann | /* Section 4.10.2 - paragraph 3 */
|
1584 | 0122f472 | Gerd Hoffmann | static int ehci_state_advqueue(EHCIQueue *q, int async) |
1585 | 94527ead | Gerd Hoffmann | { |
1586 | 94527ead | Gerd Hoffmann | #if 0
|
1587 | 94527ead | Gerd Hoffmann | /* TO-DO: 4.10.2 - paragraph 2
|
1588 | 94527ead | Gerd Hoffmann | * if I-bit is set to 1 and QH is not active
|
1589 | 94527ead | Gerd Hoffmann | * go to horizontal QH
|
1590 | 94527ead | Gerd Hoffmann | */
|
1591 | 94527ead | Gerd Hoffmann | if (I-bit set) {
|
1592 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_HORIZONTALQH);
|
1593 | 94527ead | Gerd Hoffmann | goto out;
|
1594 | 94527ead | Gerd Hoffmann | }
|
1595 | 94527ead | Gerd Hoffmann | #endif
|
1596 | 94527ead | Gerd Hoffmann | |
1597 | 94527ead | Gerd Hoffmann | /*
|
1598 | 94527ead | Gerd Hoffmann | * want data and alt-next qTD is valid
|
1599 | 94527ead | Gerd Hoffmann | */
|
1600 | 0122f472 | Gerd Hoffmann | if (((q->qh.token & QTD_TOKEN_TBYTES_MASK) != 0) && |
1601 | 0122f472 | Gerd Hoffmann | (q->qh.altnext_qtd > 0x1000) &&
|
1602 | 0122f472 | Gerd Hoffmann | (NLPTR_TBIT(q->qh.altnext_qtd) == 0)) {
|
1603 | 0122f472 | Gerd Hoffmann | q->qtdaddr = q->qh.altnext_qtd; |
1604 | 0122f472 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_FETCHQTD); |
1605 | 94527ead | Gerd Hoffmann | |
1606 | 94527ead | Gerd Hoffmann | /*
|
1607 | 94527ead | Gerd Hoffmann | * next qTD is valid
|
1608 | 94527ead | Gerd Hoffmann | */
|
1609 | 0122f472 | Gerd Hoffmann | } else if ((q->qh.next_qtd > 0x1000) && |
1610 | 0122f472 | Gerd Hoffmann | (NLPTR_TBIT(q->qh.next_qtd) == 0)) {
|
1611 | 0122f472 | Gerd Hoffmann | q->qtdaddr = q->qh.next_qtd; |
1612 | 0122f472 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_FETCHQTD); |
1613 | 94527ead | Gerd Hoffmann | |
1614 | 94527ead | Gerd Hoffmann | /*
|
1615 | 94527ead | Gerd Hoffmann | * no valid qTD, try next QH
|
1616 | 94527ead | Gerd Hoffmann | */
|
1617 | 94527ead | Gerd Hoffmann | } else {
|
1618 | 0122f472 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_HORIZONTALQH); |
1619 | 94527ead | Gerd Hoffmann | } |
1620 | 94527ead | Gerd Hoffmann | |
1621 | 94527ead | Gerd Hoffmann | return 1; |
1622 | 94527ead | Gerd Hoffmann | } |
1623 | 94527ead | Gerd Hoffmann | |
1624 | 94527ead | Gerd Hoffmann | /* Section 4.10.2 - paragraph 4 */
|
1625 | 0122f472 | Gerd Hoffmann | static int ehci_state_fetchqtd(EHCIQueue *q, int async) |
1626 | 94527ead | Gerd Hoffmann | { |
1627 | 94527ead | Gerd Hoffmann | int again = 0; |
1628 | 94527ead | Gerd Hoffmann | |
1629 | 0122f472 | Gerd Hoffmann | get_dwords(NLPTR_GET(q->qtdaddr),(uint32_t *) &q->qtd, sizeof(EHCIqtd) >> 2); |
1630 | 8ac6d699 | Gerd Hoffmann | ehci_trace_qtd(q, NLPTR_GET(q->qtdaddr), &q->qtd); |
1631 | 94527ead | Gerd Hoffmann | |
1632 | 0122f472 | Gerd Hoffmann | if (q->qtd.token & QTD_TOKEN_ACTIVE) {
|
1633 | 0122f472 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_EXECUTE); |
1634 | 94527ead | Gerd Hoffmann | again = 1;
|
1635 | 94527ead | Gerd Hoffmann | } else {
|
1636 | 0122f472 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_HORIZONTALQH); |
1637 | 94527ead | Gerd Hoffmann | again = 1;
|
1638 | 94527ead | Gerd Hoffmann | } |
1639 | 94527ead | Gerd Hoffmann | |
1640 | 94527ead | Gerd Hoffmann | return again;
|
1641 | 94527ead | Gerd Hoffmann | } |
1642 | 94527ead | Gerd Hoffmann | |
1643 | 0122f472 | Gerd Hoffmann | static int ehci_state_horizqh(EHCIQueue *q, int async) |
1644 | 94527ead | Gerd Hoffmann | { |
1645 | 94527ead | Gerd Hoffmann | int again = 0; |
1646 | 94527ead | Gerd Hoffmann | |
1647 | 0122f472 | Gerd Hoffmann | if (ehci_get_fetch_addr(q->ehci, async) != q->qh.next) {
|
1648 | 0122f472 | Gerd Hoffmann | ehci_set_fetch_addr(q->ehci, async, q->qh.next); |
1649 | 0122f472 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_FETCHENTRY); |
1650 | 94527ead | Gerd Hoffmann | again = 1;
|
1651 | 94527ead | Gerd Hoffmann | } else {
|
1652 | 0122f472 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_ACTIVE); |
1653 | 94527ead | Gerd Hoffmann | } |
1654 | 94527ead | Gerd Hoffmann | |
1655 | 94527ead | Gerd Hoffmann | return again;
|
1656 | 94527ead | Gerd Hoffmann | } |
1657 | 94527ead | Gerd Hoffmann | |
1658 | 8ac6d699 | Gerd Hoffmann | /*
|
1659 | 8ac6d699 | Gerd Hoffmann | * Write the qh back to guest physical memory. This step isn't
|
1660 | 8ac6d699 | Gerd Hoffmann | * in the EHCI spec but we need to do it since we don't share
|
1661 | 8ac6d699 | Gerd Hoffmann | * physical memory with our guest VM.
|
1662 | 8ac6d699 | Gerd Hoffmann | *
|
1663 | 8ac6d699 | Gerd Hoffmann | * The first three dwords are read-only for the EHCI, so skip them
|
1664 | 8ac6d699 | Gerd Hoffmann | * when writing back the qh.
|
1665 | 8ac6d699 | Gerd Hoffmann | */
|
1666 | 8ac6d699 | Gerd Hoffmann | static void ehci_flush_qh(EHCIQueue *q) |
1667 | 8ac6d699 | Gerd Hoffmann | { |
1668 | 8ac6d699 | Gerd Hoffmann | uint32_t *qh = (uint32_t *) &q->qh; |
1669 | 8ac6d699 | Gerd Hoffmann | uint32_t dwords = sizeof(EHCIqh) >> 2; |
1670 | 8ac6d699 | Gerd Hoffmann | uint32_t addr = NLPTR_GET(q->qhaddr); |
1671 | 8ac6d699 | Gerd Hoffmann | |
1672 | 8ac6d699 | Gerd Hoffmann | put_dwords(addr + 3 * sizeof(uint32_t), qh + 3, dwords - 3); |
1673 | 8ac6d699 | Gerd Hoffmann | } |
1674 | 8ac6d699 | Gerd Hoffmann | |
1675 | 0122f472 | Gerd Hoffmann | static int ehci_state_execute(EHCIQueue *q, int async) |
1676 | 94527ead | Gerd Hoffmann | { |
1677 | 94527ead | Gerd Hoffmann | int again = 0; |
1678 | 94527ead | Gerd Hoffmann | int reload, nakcnt;
|
1679 | 94527ead | Gerd Hoffmann | int smask;
|
1680 | 94527ead | Gerd Hoffmann | |
1681 | 0122f472 | Gerd Hoffmann | if (ehci_qh_do_overlay(q) != 0) { |
1682 | 94527ead | Gerd Hoffmann | return -1; |
1683 | 94527ead | Gerd Hoffmann | } |
1684 | 94527ead | Gerd Hoffmann | |
1685 | 0122f472 | Gerd Hoffmann | smask = get_field(q->qh.epcap, QH_EPCAP_SMASK); |
1686 | 94527ead | Gerd Hoffmann | |
1687 | 94527ead | Gerd Hoffmann | if (!smask) {
|
1688 | 0122f472 | Gerd Hoffmann | reload = get_field(q->qh.epchar, QH_EPCHAR_RL); |
1689 | 0122f472 | Gerd Hoffmann | nakcnt = get_field(q->qh.altnext_qtd, QH_ALTNEXT_NAKCNT); |
1690 | 94527ead | Gerd Hoffmann | if (reload && !nakcnt) {
|
1691 | 0122f472 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_HORIZONTALQH); |
1692 | 94527ead | Gerd Hoffmann | again = 1;
|
1693 | 94527ead | Gerd Hoffmann | goto out;
|
1694 | 94527ead | Gerd Hoffmann | } |
1695 | 94527ead | Gerd Hoffmann | } |
1696 | 94527ead | Gerd Hoffmann | |
1697 | 94527ead | Gerd Hoffmann | // TODO verify enough time remains in the uframe as in 4.4.1.1
|
1698 | 94527ead | Gerd Hoffmann | // TODO write back ptr to async list when done or out of time
|
1699 | 94527ead | Gerd Hoffmann | // TODO Windows does not seem to ever set the MULT field
|
1700 | 94527ead | Gerd Hoffmann | |
1701 | 94527ead | Gerd Hoffmann | if (!async) {
|
1702 | 0122f472 | Gerd Hoffmann | int transactCtr = get_field(q->qh.epcap, QH_EPCAP_MULT);
|
1703 | 94527ead | Gerd Hoffmann | if (!transactCtr) {
|
1704 | 0122f472 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_HORIZONTALQH); |
1705 | 94527ead | Gerd Hoffmann | again = 1;
|
1706 | 94527ead | Gerd Hoffmann | goto out;
|
1707 | 94527ead | Gerd Hoffmann | } |
1708 | 94527ead | Gerd Hoffmann | } |
1709 | 94527ead | Gerd Hoffmann | |
1710 | 94527ead | Gerd Hoffmann | if (async) {
|
1711 | 0122f472 | Gerd Hoffmann | ehci_set_usbsts(q->ehci, USBSTS_REC); |
1712 | 94527ead | Gerd Hoffmann | } |
1713 | 94527ead | Gerd Hoffmann | |
1714 | 0122f472 | Gerd Hoffmann | q->usb_status = ehci_execute(q); |
1715 | 0122f472 | Gerd Hoffmann | if (q->usb_status == USB_RET_PROCERR) {
|
1716 | 94527ead | Gerd Hoffmann | again = -1;
|
1717 | 94527ead | Gerd Hoffmann | goto out;
|
1718 | 94527ead | Gerd Hoffmann | } |
1719 | 8ac6d699 | Gerd Hoffmann | if (q->usb_status == USB_RET_ASYNC) {
|
1720 | 8ac6d699 | Gerd Hoffmann | ehci_flush_qh(q); |
1721 | 8ac6d699 | Gerd Hoffmann | trace_usb_ehci_queue_action(q, "suspend");
|
1722 | 8ac6d699 | Gerd Hoffmann | q->async = EHCI_ASYNC_INFLIGHT; |
1723 | 8ac6d699 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_HORIZONTALQH); |
1724 | 94527ead | Gerd Hoffmann | again = 1;
|
1725 | 8ac6d699 | Gerd Hoffmann | goto out;
|
1726 | 94527ead | Gerd Hoffmann | } |
1727 | 94527ead | Gerd Hoffmann | |
1728 | 8ac6d699 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_EXECUTING); |
1729 | 8ac6d699 | Gerd Hoffmann | again = 1;
|
1730 | 8ac6d699 | Gerd Hoffmann | |
1731 | 94527ead | Gerd Hoffmann | out:
|
1732 | 94527ead | Gerd Hoffmann | return again;
|
1733 | 94527ead | Gerd Hoffmann | } |
1734 | 94527ead | Gerd Hoffmann | |
1735 | 0122f472 | Gerd Hoffmann | static int ehci_state_executing(EHCIQueue *q, int async) |
1736 | 94527ead | Gerd Hoffmann | { |
1737 | 94527ead | Gerd Hoffmann | int again = 0; |
1738 | 94527ead | Gerd Hoffmann | int reload, nakcnt;
|
1739 | 94527ead | Gerd Hoffmann | |
1740 | 0122f472 | Gerd Hoffmann | ehci_execute_complete(q); |
1741 | 0122f472 | Gerd Hoffmann | if (q->usb_status == USB_RET_ASYNC) {
|
1742 | 94527ead | Gerd Hoffmann | goto out;
|
1743 | 94527ead | Gerd Hoffmann | } |
1744 | 0122f472 | Gerd Hoffmann | if (q->usb_status == USB_RET_PROCERR) {
|
1745 | 94527ead | Gerd Hoffmann | again = -1;
|
1746 | 94527ead | Gerd Hoffmann | goto out;
|
1747 | 94527ead | Gerd Hoffmann | } |
1748 | 94527ead | Gerd Hoffmann | |
1749 | 94527ead | Gerd Hoffmann | // 4.10.3
|
1750 | 94527ead | Gerd Hoffmann | if (!async) {
|
1751 | 0122f472 | Gerd Hoffmann | int transactCtr = get_field(q->qh.epcap, QH_EPCAP_MULT);
|
1752 | 94527ead | Gerd Hoffmann | transactCtr--; |
1753 | 0122f472 | Gerd Hoffmann | set_field(&q->qh.epcap, transactCtr, QH_EPCAP_MULT); |
1754 | 94527ead | Gerd Hoffmann | // 4.10.3, bottom of page 82, should exit this state when transaction
|
1755 | 94527ead | Gerd Hoffmann | // counter decrements to 0
|
1756 | 94527ead | Gerd Hoffmann | } |
1757 | 94527ead | Gerd Hoffmann | |
1758 | 0122f472 | Gerd Hoffmann | reload = get_field(q->qh.epchar, QH_EPCHAR_RL); |
1759 | 94527ead | Gerd Hoffmann | if (reload) {
|
1760 | 0122f472 | Gerd Hoffmann | nakcnt = get_field(q->qh.altnext_qtd, QH_ALTNEXT_NAKCNT); |
1761 | 0122f472 | Gerd Hoffmann | if (q->usb_status == USB_RET_NAK) {
|
1762 | 94527ead | Gerd Hoffmann | if (nakcnt) {
|
1763 | 94527ead | Gerd Hoffmann | nakcnt--; |
1764 | 94527ead | Gerd Hoffmann | } |
1765 | 94527ead | Gerd Hoffmann | } else {
|
1766 | 94527ead | Gerd Hoffmann | nakcnt = reload; |
1767 | 94527ead | Gerd Hoffmann | } |
1768 | 0122f472 | Gerd Hoffmann | set_field(&q->qh.altnext_qtd, nakcnt, QH_ALTNEXT_NAKCNT); |
1769 | 94527ead | Gerd Hoffmann | } |
1770 | 94527ead | Gerd Hoffmann | |
1771 | 94527ead | Gerd Hoffmann | /* 4.10.5 */
|
1772 | 0122f472 | Gerd Hoffmann | if ((q->usb_status == USB_RET_NAK) || (q->qh.token & QTD_TOKEN_ACTIVE)) {
|
1773 | 0122f472 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_HORIZONTALQH); |
1774 | 94527ead | Gerd Hoffmann | } else {
|
1775 | 0122f472 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_WRITEBACK); |
1776 | 94527ead | Gerd Hoffmann | } |
1777 | 94527ead | Gerd Hoffmann | |
1778 | 94527ead | Gerd Hoffmann | again = 1;
|
1779 | 94527ead | Gerd Hoffmann | |
1780 | 94527ead | Gerd Hoffmann | out:
|
1781 | 8ac6d699 | Gerd Hoffmann | ehci_flush_qh(q); |
1782 | 94527ead | Gerd Hoffmann | return again;
|
1783 | 94527ead | Gerd Hoffmann | } |
1784 | 94527ead | Gerd Hoffmann | |
1785 | 94527ead | Gerd Hoffmann | |
1786 | 0122f472 | Gerd Hoffmann | static int ehci_state_writeback(EHCIQueue *q, int async) |
1787 | 94527ead | Gerd Hoffmann | { |
1788 | 94527ead | Gerd Hoffmann | int again = 0; |
1789 | 94527ead | Gerd Hoffmann | |
1790 | 94527ead | Gerd Hoffmann | /* Write back the QTD from the QH area */
|
1791 | 8ac6d699 | Gerd Hoffmann | ehci_trace_qtd(q, NLPTR_GET(q->qtdaddr), (EHCIqtd*) &q->qh.next_qtd); |
1792 | 0122f472 | Gerd Hoffmann | put_dwords(NLPTR_GET(q->qtdaddr),(uint32_t *) &q->qh.next_qtd, |
1793 | 94527ead | Gerd Hoffmann | sizeof(EHCIqtd) >> 2); |
1794 | 94527ead | Gerd Hoffmann | |
1795 | 94527ead | Gerd Hoffmann | /* TODO confirm next state. For now, keep going if async
|
1796 | 94527ead | Gerd Hoffmann | * but stop after one qtd if periodic
|
1797 | 94527ead | Gerd Hoffmann | */
|
1798 | 94527ead | Gerd Hoffmann | //if (async) {
|
1799 | 0122f472 | Gerd Hoffmann | ehci_set_state(q->ehci, async, EST_ADVANCEQUEUE); |
1800 | 94527ead | Gerd Hoffmann | again = 1;
|
1801 | 94527ead | Gerd Hoffmann | //} else {
|
1802 | 26d53979 | Gerd Hoffmann | // ehci_set_state(ehci, async, EST_ACTIVE);
|
1803 | 94527ead | Gerd Hoffmann | //}
|
1804 | 94527ead | Gerd Hoffmann | return again;
|
1805 | 94527ead | Gerd Hoffmann | } |
1806 | 94527ead | Gerd Hoffmann | |
1807 | 94527ead | Gerd Hoffmann | /*
|
1808 | 94527ead | Gerd Hoffmann | * This is the state machine that is common to both async and periodic
|
1809 | 94527ead | Gerd Hoffmann | */
|
1810 | 94527ead | Gerd Hoffmann | |
1811 | 26d53979 | Gerd Hoffmann | static void ehci_advance_state(EHCIState *ehci, |
1812 | 26d53979 | Gerd Hoffmann | int async)
|
1813 | 94527ead | Gerd Hoffmann | { |
1814 | 0122f472 | Gerd Hoffmann | EHCIQueue *q = NULL;
|
1815 | 94527ead | Gerd Hoffmann | int again;
|
1816 | 94527ead | Gerd Hoffmann | int iter = 0; |
1817 | 94527ead | Gerd Hoffmann | |
1818 | 94527ead | Gerd Hoffmann | do {
|
1819 | 26d53979 | Gerd Hoffmann | if (ehci_get_state(ehci, async) == EST_FETCHQH) {
|
1820 | 94527ead | Gerd Hoffmann | iter++; |
1821 | 94527ead | Gerd Hoffmann | /* if we are roaming a lot of QH without executing a qTD
|
1822 | 94527ead | Gerd Hoffmann | * something is wrong with the linked list. TO-DO: why is
|
1823 | 94527ead | Gerd Hoffmann | * this hack needed?
|
1824 | 94527ead | Gerd Hoffmann | */
|
1825 | 8ac6d699 | Gerd Hoffmann | assert(iter < MAX_ITERATIONS); |
1826 | 8ac6d699 | Gerd Hoffmann | #if 0
|
1827 | 94527ead | Gerd Hoffmann | if (iter > MAX_ITERATIONS) {
|
1828 | 94527ead | Gerd Hoffmann | DPRINTF("\n*** advance_state: bailing on MAX ITERATIONS***\n");
|
1829 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_ACTIVE);
|
1830 | 94527ead | Gerd Hoffmann | break;
|
1831 | 94527ead | Gerd Hoffmann | }
|
1832 | 8ac6d699 | Gerd Hoffmann | #endif
|
1833 | 94527ead | Gerd Hoffmann | } |
1834 | 26d53979 | Gerd Hoffmann | switch(ehci_get_state(ehci, async)) {
|
1835 | 94527ead | Gerd Hoffmann | case EST_WAITLISTHEAD:
|
1836 | 26d53979 | Gerd Hoffmann | again = ehci_state_waitlisthead(ehci, async); |
1837 | 94527ead | Gerd Hoffmann | break;
|
1838 | 94527ead | Gerd Hoffmann | |
1839 | 94527ead | Gerd Hoffmann | case EST_FETCHENTRY:
|
1840 | 26d53979 | Gerd Hoffmann | again = ehci_state_fetchentry(ehci, async); |
1841 | 94527ead | Gerd Hoffmann | break;
|
1842 | 94527ead | Gerd Hoffmann | |
1843 | 94527ead | Gerd Hoffmann | case EST_FETCHQH:
|
1844 | 0122f472 | Gerd Hoffmann | q = ehci_state_fetchqh(ehci, async); |
1845 | 0122f472 | Gerd Hoffmann | again = q ? 1 : 0; |
1846 | 94527ead | Gerd Hoffmann | break;
|
1847 | 94527ead | Gerd Hoffmann | |
1848 | 94527ead | Gerd Hoffmann | case EST_FETCHITD:
|
1849 | 26d53979 | Gerd Hoffmann | again = ehci_state_fetchitd(ehci, async); |
1850 | 94527ead | Gerd Hoffmann | break;
|
1851 | 94527ead | Gerd Hoffmann | |
1852 | 94527ead | Gerd Hoffmann | case EST_ADVANCEQUEUE:
|
1853 | 0122f472 | Gerd Hoffmann | again = ehci_state_advqueue(q, async); |
1854 | 94527ead | Gerd Hoffmann | break;
|
1855 | 94527ead | Gerd Hoffmann | |
1856 | 94527ead | Gerd Hoffmann | case EST_FETCHQTD:
|
1857 | 0122f472 | Gerd Hoffmann | again = ehci_state_fetchqtd(q, async); |
1858 | 94527ead | Gerd Hoffmann | break;
|
1859 | 94527ead | Gerd Hoffmann | |
1860 | 94527ead | Gerd Hoffmann | case EST_HORIZONTALQH:
|
1861 | 0122f472 | Gerd Hoffmann | again = ehci_state_horizqh(q, async); |
1862 | 94527ead | Gerd Hoffmann | break;
|
1863 | 94527ead | Gerd Hoffmann | |
1864 | 94527ead | Gerd Hoffmann | case EST_EXECUTE:
|
1865 | 94527ead | Gerd Hoffmann | iter = 0;
|
1866 | 0122f472 | Gerd Hoffmann | again = ehci_state_execute(q, async); |
1867 | 94527ead | Gerd Hoffmann | break;
|
1868 | 94527ead | Gerd Hoffmann | |
1869 | 94527ead | Gerd Hoffmann | case EST_EXECUTING:
|
1870 | 8ac6d699 | Gerd Hoffmann | assert(q != NULL);
|
1871 | 0122f472 | Gerd Hoffmann | again = ehci_state_executing(q, async); |
1872 | 94527ead | Gerd Hoffmann | break;
|
1873 | 94527ead | Gerd Hoffmann | |
1874 | 94527ead | Gerd Hoffmann | case EST_WRITEBACK:
|
1875 | 0122f472 | Gerd Hoffmann | again = ehci_state_writeback(q, async); |
1876 | 94527ead | Gerd Hoffmann | break;
|
1877 | 94527ead | Gerd Hoffmann | |
1878 | 94527ead | Gerd Hoffmann | default:
|
1879 | 94527ead | Gerd Hoffmann | fprintf(stderr, "Bad state!\n");
|
1880 | 94527ead | Gerd Hoffmann | again = -1;
|
1881 | 8ac6d699 | Gerd Hoffmann | assert(0);
|
1882 | 94527ead | Gerd Hoffmann | break;
|
1883 | 94527ead | Gerd Hoffmann | } |
1884 | 94527ead | Gerd Hoffmann | |
1885 | 94527ead | Gerd Hoffmann | if (again < 0) { |
1886 | 94527ead | Gerd Hoffmann | fprintf(stderr, "processing error - resetting ehci HC\n");
|
1887 | 94527ead | Gerd Hoffmann | ehci_reset(ehci); |
1888 | 94527ead | Gerd Hoffmann | again = 0;
|
1889 | 8ac6d699 | Gerd Hoffmann | assert(0);
|
1890 | 94527ead | Gerd Hoffmann | } |
1891 | 94527ead | Gerd Hoffmann | } |
1892 | 94527ead | Gerd Hoffmann | while (again);
|
1893 | 94527ead | Gerd Hoffmann | |
1894 | 94527ead | Gerd Hoffmann | ehci_commit_interrupt(ehci); |
1895 | 94527ead | Gerd Hoffmann | } |
1896 | 94527ead | Gerd Hoffmann | |
1897 | 94527ead | Gerd Hoffmann | static void ehci_advance_async_state(EHCIState *ehci) |
1898 | 94527ead | Gerd Hoffmann | { |
1899 | 26d53979 | Gerd Hoffmann | int async = 1; |
1900 | 94527ead | Gerd Hoffmann | |
1901 | 26d53979 | Gerd Hoffmann | switch(ehci_get_state(ehci, async)) {
|
1902 | 94527ead | Gerd Hoffmann | case EST_INACTIVE:
|
1903 | 94527ead | Gerd Hoffmann | if (!(ehci->usbcmd & USBCMD_ASE)) {
|
1904 | 94527ead | Gerd Hoffmann | break;
|
1905 | 94527ead | Gerd Hoffmann | } |
1906 | 439a97cc | Gerd Hoffmann | ehci_set_usbsts(ehci, USBSTS_ASS); |
1907 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_ACTIVE); |
1908 | 94527ead | Gerd Hoffmann | // No break, fall through to ACTIVE
|
1909 | 94527ead | Gerd Hoffmann | |
1910 | 94527ead | Gerd Hoffmann | case EST_ACTIVE:
|
1911 | 94527ead | Gerd Hoffmann | if ( !(ehci->usbcmd & USBCMD_ASE)) {
|
1912 | 439a97cc | Gerd Hoffmann | ehci_clear_usbsts(ehci, USBSTS_ASS); |
1913 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_INACTIVE); |
1914 | 94527ead | Gerd Hoffmann | break;
|
1915 | 94527ead | Gerd Hoffmann | } |
1916 | 94527ead | Gerd Hoffmann | |
1917 | 94527ead | Gerd Hoffmann | /* If the doorbell is set, the guest wants to make a change to the
|
1918 | 94527ead | Gerd Hoffmann | * schedule. The host controller needs to release cached data.
|
1919 | 94527ead | Gerd Hoffmann | * (section 4.8.2)
|
1920 | 94527ead | Gerd Hoffmann | */
|
1921 | 94527ead | Gerd Hoffmann | if (ehci->usbcmd & USBCMD_IAAD) {
|
1922 | 94527ead | Gerd Hoffmann | DPRINTF("ASYNC: doorbell request acknowledged\n");
|
1923 | 94527ead | Gerd Hoffmann | ehci->usbcmd &= ~USBCMD_IAAD; |
1924 | 94527ead | Gerd Hoffmann | ehci_set_interrupt(ehci, USBSTS_IAA); |
1925 | 94527ead | Gerd Hoffmann | break;
|
1926 | 94527ead | Gerd Hoffmann | } |
1927 | 94527ead | Gerd Hoffmann | |
1928 | 94527ead | Gerd Hoffmann | /* make sure guest has acknowledged */
|
1929 | 94527ead | Gerd Hoffmann | /* TO-DO: is this really needed? */
|
1930 | 94527ead | Gerd Hoffmann | if (ehci->usbsts & USBSTS_IAA) {
|
1931 | 94527ead | Gerd Hoffmann | DPRINTF("IAA status bit still set.\n");
|
1932 | 94527ead | Gerd Hoffmann | break;
|
1933 | 94527ead | Gerd Hoffmann | } |
1934 | 94527ead | Gerd Hoffmann | |
1935 | 94527ead | Gerd Hoffmann | /* check that address register has been set */
|
1936 | 94527ead | Gerd Hoffmann | if (ehci->asynclistaddr == 0) { |
1937 | 94527ead | Gerd Hoffmann | break;
|
1938 | 94527ead | Gerd Hoffmann | } |
1939 | 94527ead | Gerd Hoffmann | |
1940 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_WAITLISTHEAD); |
1941 | 94527ead | Gerd Hoffmann | /* fall through */
|
1942 | 94527ead | Gerd Hoffmann | |
1943 | 94527ead | Gerd Hoffmann | case EST_FETCHENTRY:
|
1944 | 94527ead | Gerd Hoffmann | /* fall through */
|
1945 | 94527ead | Gerd Hoffmann | |
1946 | 94527ead | Gerd Hoffmann | case EST_EXECUTING:
|
1947 | 26d53979 | Gerd Hoffmann | ehci_advance_state(ehci, async); |
1948 | 94527ead | Gerd Hoffmann | break;
|
1949 | 94527ead | Gerd Hoffmann | |
1950 | 94527ead | Gerd Hoffmann | default:
|
1951 | 94527ead | Gerd Hoffmann | /* this should only be due to a developer mistake */
|
1952 | 94527ead | Gerd Hoffmann | fprintf(stderr, "ehci: Bad asynchronous state %d. "
|
1953 | 94527ead | Gerd Hoffmann | "Resetting to active\n", ehci->astate);
|
1954 | 0122f472 | Gerd Hoffmann | assert(0);
|
1955 | 94527ead | Gerd Hoffmann | } |
1956 | 94527ead | Gerd Hoffmann | } |
1957 | 94527ead | Gerd Hoffmann | |
1958 | 94527ead | Gerd Hoffmann | static void ehci_advance_periodic_state(EHCIState *ehci) |
1959 | 94527ead | Gerd Hoffmann | { |
1960 | 94527ead | Gerd Hoffmann | uint32_t entry; |
1961 | 94527ead | Gerd Hoffmann | uint32_t list; |
1962 | 26d53979 | Gerd Hoffmann | int async = 0; |
1963 | 94527ead | Gerd Hoffmann | |
1964 | 94527ead | Gerd Hoffmann | // 4.6
|
1965 | 94527ead | Gerd Hoffmann | |
1966 | 26d53979 | Gerd Hoffmann | switch(ehci_get_state(ehci, async)) {
|
1967 | 94527ead | Gerd Hoffmann | case EST_INACTIVE:
|
1968 | 94527ead | Gerd Hoffmann | if ( !(ehci->frindex & 7) && (ehci->usbcmd & USBCMD_PSE)) { |
1969 | 439a97cc | Gerd Hoffmann | ehci_set_usbsts(ehci, USBSTS_PSS); |
1970 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_ACTIVE); |
1971 | 94527ead | Gerd Hoffmann | // No break, fall through to ACTIVE
|
1972 | 94527ead | Gerd Hoffmann | } else
|
1973 | 94527ead | Gerd Hoffmann | break;
|
1974 | 94527ead | Gerd Hoffmann | |
1975 | 94527ead | Gerd Hoffmann | case EST_ACTIVE:
|
1976 | 94527ead | Gerd Hoffmann | if ( !(ehci->frindex & 7) && !(ehci->usbcmd & USBCMD_PSE)) { |
1977 | 439a97cc | Gerd Hoffmann | ehci_clear_usbsts(ehci, USBSTS_PSS); |
1978 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_INACTIVE); |
1979 | 94527ead | Gerd Hoffmann | break;
|
1980 | 94527ead | Gerd Hoffmann | } |
1981 | 94527ead | Gerd Hoffmann | |
1982 | 94527ead | Gerd Hoffmann | list = ehci->periodiclistbase & 0xfffff000;
|
1983 | 94527ead | Gerd Hoffmann | /* check that register has been set */
|
1984 | 94527ead | Gerd Hoffmann | if (list == 0) { |
1985 | 94527ead | Gerd Hoffmann | break;
|
1986 | 94527ead | Gerd Hoffmann | } |
1987 | 94527ead | Gerd Hoffmann | list |= ((ehci->frindex & 0x1ff8) >> 1); |
1988 | 94527ead | Gerd Hoffmann | |
1989 | 94527ead | Gerd Hoffmann | cpu_physical_memory_rw(list, (uint8_t *) &entry, sizeof entry, 0); |
1990 | 94527ead | Gerd Hoffmann | entry = le32_to_cpu(entry); |
1991 | 94527ead | Gerd Hoffmann | |
1992 | 94527ead | Gerd Hoffmann | DPRINTF("PERIODIC state adv fr=%d. [%08X] -> %08X\n",
|
1993 | 94527ead | Gerd Hoffmann | ehci->frindex / 8, list, entry);
|
1994 | 0122f472 | Gerd Hoffmann | ehci_set_fetch_addr(ehci, async,entry); |
1995 | 26d53979 | Gerd Hoffmann | ehci_set_state(ehci, async, EST_FETCHENTRY); |
1996 | 26d53979 | Gerd Hoffmann | ehci_advance_state(ehci, async); |
1997 | 94527ead | Gerd Hoffmann | break;
|
1998 | 94527ead | Gerd Hoffmann | |
1999 | 94527ead | Gerd Hoffmann | case EST_EXECUTING:
|
2000 | 94527ead | Gerd Hoffmann | DPRINTF("PERIODIC state adv for executing\n");
|
2001 | 26d53979 | Gerd Hoffmann | ehci_advance_state(ehci, async); |
2002 | 94527ead | Gerd Hoffmann | break;
|
2003 | 94527ead | Gerd Hoffmann | |
2004 | 94527ead | Gerd Hoffmann | default:
|
2005 | 94527ead | Gerd Hoffmann | /* this should only be due to a developer mistake */
|
2006 | 94527ead | Gerd Hoffmann | fprintf(stderr, "ehci: Bad periodic state %d. "
|
2007 | 94527ead | Gerd Hoffmann | "Resetting to active\n", ehci->pstate);
|
2008 | 0122f472 | Gerd Hoffmann | assert(0);
|
2009 | 94527ead | Gerd Hoffmann | } |
2010 | 94527ead | Gerd Hoffmann | } |
2011 | 94527ead | Gerd Hoffmann | |
2012 | 94527ead | Gerd Hoffmann | static void ehci_frame_timer(void *opaque) |
2013 | 94527ead | Gerd Hoffmann | { |
2014 | 94527ead | Gerd Hoffmann | EHCIState *ehci = opaque; |
2015 | 94527ead | Gerd Hoffmann | int64_t expire_time, t_now; |
2016 | 94527ead | Gerd Hoffmann | int usec_elapsed;
|
2017 | 94527ead | Gerd Hoffmann | int frames;
|
2018 | 94527ead | Gerd Hoffmann | int usec_now;
|
2019 | 94527ead | Gerd Hoffmann | int i;
|
2020 | 94527ead | Gerd Hoffmann | int skipped_frames = 0; |
2021 | 94527ead | Gerd Hoffmann | |
2022 | 94527ead | Gerd Hoffmann | |
2023 | 94527ead | Gerd Hoffmann | t_now = qemu_get_clock_ns(vm_clock); |
2024 | 94527ead | Gerd Hoffmann | expire_time = t_now + (get_ticks_per_sec() / FRAME_TIMER_FREQ); |
2025 | 94527ead | Gerd Hoffmann | if (expire_time == t_now) {
|
2026 | 94527ead | Gerd Hoffmann | expire_time++; |
2027 | 94527ead | Gerd Hoffmann | } |
2028 | 94527ead | Gerd Hoffmann | |
2029 | 94527ead | Gerd Hoffmann | usec_now = t_now / 1000;
|
2030 | 94527ead | Gerd Hoffmann | usec_elapsed = usec_now - ehci->last_run_usec; |
2031 | 94527ead | Gerd Hoffmann | frames = usec_elapsed / FRAME_TIMER_USEC; |
2032 | 94527ead | Gerd Hoffmann | ehci->frame_end_usec = usec_now + FRAME_TIMER_USEC - 10;
|
2033 | 94527ead | Gerd Hoffmann | |
2034 | 94527ead | Gerd Hoffmann | for (i = 0; i < frames; i++) { |
2035 | 94527ead | Gerd Hoffmann | if ( !(ehci->usbsts & USBSTS_HALT)) {
|
2036 | 94527ead | Gerd Hoffmann | if (ehci->isoch_pause <= 0) { |
2037 | 94527ead | Gerd Hoffmann | ehci->frindex += 8;
|
2038 | 94527ead | Gerd Hoffmann | } |
2039 | 94527ead | Gerd Hoffmann | |
2040 | 94527ead | Gerd Hoffmann | if (ehci->frindex > 0x00001fff) { |
2041 | 94527ead | Gerd Hoffmann | ehci->frindex = 0;
|
2042 | 94527ead | Gerd Hoffmann | ehci_set_interrupt(ehci, USBSTS_FLR); |
2043 | 94527ead | Gerd Hoffmann | } |
2044 | 94527ead | Gerd Hoffmann | |
2045 | 94527ead | Gerd Hoffmann | ehci->sofv = (ehci->frindex - 1) >> 3; |
2046 | 94527ead | Gerd Hoffmann | ehci->sofv &= 0x000003ff;
|
2047 | 94527ead | Gerd Hoffmann | } |
2048 | 94527ead | Gerd Hoffmann | |
2049 | 94527ead | Gerd Hoffmann | if (frames - i > 10) { |
2050 | 94527ead | Gerd Hoffmann | skipped_frames++; |
2051 | 94527ead | Gerd Hoffmann | } else {
|
2052 | 94527ead | Gerd Hoffmann | // TODO could this cause periodic frames to get skipped if async
|
2053 | 94527ead | Gerd Hoffmann | // active?
|
2054 | 26d53979 | Gerd Hoffmann | if (ehci_get_state(ehci, 1) != EST_EXECUTING) { |
2055 | 94527ead | Gerd Hoffmann | ehci_advance_periodic_state(ehci); |
2056 | 94527ead | Gerd Hoffmann | } |
2057 | 94527ead | Gerd Hoffmann | } |
2058 | 94527ead | Gerd Hoffmann | |
2059 | 94527ead | Gerd Hoffmann | ehci->last_run_usec += FRAME_TIMER_USEC; |
2060 | 94527ead | Gerd Hoffmann | } |
2061 | 94527ead | Gerd Hoffmann | |
2062 | 94527ead | Gerd Hoffmann | #if 0
|
2063 | 94527ead | Gerd Hoffmann | if (skipped_frames) {
|
2064 | 94527ead | Gerd Hoffmann | DPRINTF("WARNING - EHCI skipped %d frames\n", skipped_frames);
|
2065 | 94527ead | Gerd Hoffmann | }
|
2066 | 94527ead | Gerd Hoffmann | #endif
|
2067 | 94527ead | Gerd Hoffmann | |
2068 | 94527ead | Gerd Hoffmann | /* Async is not inside loop since it executes everything it can once
|
2069 | 94527ead | Gerd Hoffmann | * called
|
2070 | 94527ead | Gerd Hoffmann | */
|
2071 | 26d53979 | Gerd Hoffmann | if (ehci_get_state(ehci, 0) != EST_EXECUTING) { |
2072 | 94527ead | Gerd Hoffmann | ehci_advance_async_state(ehci); |
2073 | 94527ead | Gerd Hoffmann | } |
2074 | 94527ead | Gerd Hoffmann | |
2075 | 94527ead | Gerd Hoffmann | qemu_mod_timer(ehci->frame_timer, expire_time); |
2076 | 94527ead | Gerd Hoffmann | } |
2077 | 94527ead | Gerd Hoffmann | |
2078 | 94527ead | Gerd Hoffmann | static CPUReadMemoryFunc *ehci_readfn[3]={ |
2079 | 94527ead | Gerd Hoffmann | ehci_mem_readb, |
2080 | 94527ead | Gerd Hoffmann | ehci_mem_readw, |
2081 | 94527ead | Gerd Hoffmann | ehci_mem_readl |
2082 | 94527ead | Gerd Hoffmann | }; |
2083 | 94527ead | Gerd Hoffmann | |
2084 | 94527ead | Gerd Hoffmann | static CPUWriteMemoryFunc *ehci_writefn[3]={ |
2085 | 94527ead | Gerd Hoffmann | ehci_mem_writeb, |
2086 | 94527ead | Gerd Hoffmann | ehci_mem_writew, |
2087 | 94527ead | Gerd Hoffmann | ehci_mem_writel |
2088 | 94527ead | Gerd Hoffmann | }; |
2089 | 94527ead | Gerd Hoffmann | |
2090 | 94527ead | Gerd Hoffmann | static void ehci_map(PCIDevice *pci_dev, int region_num, |
2091 | 94527ead | Gerd Hoffmann | pcibus_t addr, pcibus_t size, int type)
|
2092 | 94527ead | Gerd Hoffmann | { |
2093 | 94527ead | Gerd Hoffmann | EHCIState *s =(EHCIState *)pci_dev; |
2094 | 94527ead | Gerd Hoffmann | |
2095 | 94527ead | Gerd Hoffmann | DPRINTF("ehci_map: region %d, addr %08" PRIx64 ", size %" PRId64 ", s->mem %08X\n", |
2096 | 94527ead | Gerd Hoffmann | region_num, addr, size, s->mem); |
2097 | 94527ead | Gerd Hoffmann | s->mem_base = addr; |
2098 | 94527ead | Gerd Hoffmann | cpu_register_physical_memory(addr, size, s->mem); |
2099 | 94527ead | Gerd Hoffmann | } |
2100 | 94527ead | Gerd Hoffmann | |
2101 | 94527ead | Gerd Hoffmann | static int usb_ehci_initfn(PCIDevice *dev); |
2102 | 94527ead | Gerd Hoffmann | |
2103 | 94527ead | Gerd Hoffmann | static USBPortOps ehci_port_ops = {
|
2104 | 94527ead | Gerd Hoffmann | .attach = ehci_attach, |
2105 | 94527ead | Gerd Hoffmann | .detach = ehci_detach, |
2106 | 94527ead | Gerd Hoffmann | .complete = ehci_async_complete_packet, |
2107 | 94527ead | Gerd Hoffmann | }; |
2108 | 94527ead | Gerd Hoffmann | |
2109 | 94527ead | Gerd Hoffmann | static PCIDeviceInfo ehci_info = {
|
2110 | 94527ead | Gerd Hoffmann | .qdev.name = "usb-ehci",
|
2111 | 94527ead | Gerd Hoffmann | .qdev.size = sizeof(EHCIState),
|
2112 | 94527ead | Gerd Hoffmann | .init = usb_ehci_initfn, |
2113 | 94527ead | Gerd Hoffmann | }; |
2114 | 94527ead | Gerd Hoffmann | |
2115 | 94527ead | Gerd Hoffmann | static int usb_ehci_initfn(PCIDevice *dev) |
2116 | 94527ead | Gerd Hoffmann | { |
2117 | 94527ead | Gerd Hoffmann | EHCIState *s = DO_UPCAST(EHCIState, dev, dev); |
2118 | 94527ead | Gerd Hoffmann | uint8_t *pci_conf = s->dev.config; |
2119 | 94527ead | Gerd Hoffmann | int i;
|
2120 | 94527ead | Gerd Hoffmann | |
2121 | 94527ead | Gerd Hoffmann | pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); |
2122 | 94527ead | Gerd Hoffmann | pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82801D); |
2123 | 94527ead | Gerd Hoffmann | pci_set_byte(&pci_conf[PCI_REVISION_ID], 0x10);
|
2124 | 94527ead | Gerd Hoffmann | pci_set_byte(&pci_conf[PCI_CLASS_PROG], 0x20);
|
2125 | 94527ead | Gerd Hoffmann | pci_config_set_class(pci_conf, PCI_CLASS_SERIAL_USB); |
2126 | 94527ead | Gerd Hoffmann | pci_set_byte(&pci_conf[PCI_HEADER_TYPE], PCI_HEADER_TYPE_NORMAL); |
2127 | 94527ead | Gerd Hoffmann | |
2128 | 94527ead | Gerd Hoffmann | /* capabilities pointer */
|
2129 | 94527ead | Gerd Hoffmann | pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x00);
|
2130 | 94527ead | Gerd Hoffmann | //pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x50);
|
2131 | 94527ead | Gerd Hoffmann | |
2132 | 94527ead | Gerd Hoffmann | pci_set_byte(&pci_conf[PCI_INTERRUPT_PIN], 4); // interrupt pin 3 |
2133 | 94527ead | Gerd Hoffmann | pci_set_byte(&pci_conf[PCI_MIN_GNT], 0);
|
2134 | 94527ead | Gerd Hoffmann | pci_set_byte(&pci_conf[PCI_MAX_LAT], 0);
|
2135 | 94527ead | Gerd Hoffmann | |
2136 | 94527ead | Gerd Hoffmann | // pci_conf[0x50] = 0x01; // power management caps
|
2137 | 94527ead | Gerd Hoffmann | |
2138 | 94527ead | Gerd Hoffmann | pci_set_byte(&pci_conf[0x60], 0x20); // spec release number (2.1.4) |
2139 | 94527ead | Gerd Hoffmann | pci_set_byte(&pci_conf[0x61], 0x20); // frame length adjustment (2.1.5) |
2140 | 94527ead | Gerd Hoffmann | pci_set_word(&pci_conf[0x62], 0x00); // port wake up capability (2.1.6) |
2141 | 94527ead | Gerd Hoffmann | |
2142 | 94527ead | Gerd Hoffmann | pci_conf[0x64] = 0x00; |
2143 | 94527ead | Gerd Hoffmann | pci_conf[0x65] = 0x00; |
2144 | 94527ead | Gerd Hoffmann | pci_conf[0x66] = 0x00; |
2145 | 94527ead | Gerd Hoffmann | pci_conf[0x67] = 0x00; |
2146 | 94527ead | Gerd Hoffmann | pci_conf[0x68] = 0x01; |
2147 | 94527ead | Gerd Hoffmann | pci_conf[0x69] = 0x00; |
2148 | 94527ead | Gerd Hoffmann | pci_conf[0x6a] = 0x00; |
2149 | 94527ead | Gerd Hoffmann | pci_conf[0x6b] = 0x00; // USBLEGSUP |
2150 | 94527ead | Gerd Hoffmann | pci_conf[0x6c] = 0x00; |
2151 | 94527ead | Gerd Hoffmann | pci_conf[0x6d] = 0x00; |
2152 | 94527ead | Gerd Hoffmann | pci_conf[0x6e] = 0x00; |
2153 | 94527ead | Gerd Hoffmann | pci_conf[0x6f] = 0xc0; // USBLEFCTLSTS |
2154 | 94527ead | Gerd Hoffmann | |
2155 | 94527ead | Gerd Hoffmann | // 2.2 host controller interface version
|
2156 | 94527ead | Gerd Hoffmann | s->mmio[0x00] = (uint8_t) OPREGBASE;
|
2157 | 94527ead | Gerd Hoffmann | s->mmio[0x01] = 0x00; |
2158 | 94527ead | Gerd Hoffmann | s->mmio[0x02] = 0x00; |
2159 | 94527ead | Gerd Hoffmann | s->mmio[0x03] = 0x01; // HC version |
2160 | 94527ead | Gerd Hoffmann | s->mmio[0x04] = NB_PORTS; // Number of downstream ports |
2161 | 94527ead | Gerd Hoffmann | s->mmio[0x05] = 0x00; // No companion ports at present |
2162 | 94527ead | Gerd Hoffmann | s->mmio[0x06] = 0x00; |
2163 | 94527ead | Gerd Hoffmann | s->mmio[0x07] = 0x00; |
2164 | 94527ead | Gerd Hoffmann | s->mmio[0x08] = 0x80; // We can cache whole frame, not 64-bit capable |
2165 | 94527ead | Gerd Hoffmann | s->mmio[0x09] = 0x68; // EECP |
2166 | 94527ead | Gerd Hoffmann | s->mmio[0x0a] = 0x00; |
2167 | 94527ead | Gerd Hoffmann | s->mmio[0x0b] = 0x00; |
2168 | 94527ead | Gerd Hoffmann | |
2169 | 94527ead | Gerd Hoffmann | s->irq = s->dev.irq[3];
|
2170 | 94527ead | Gerd Hoffmann | |
2171 | 94527ead | Gerd Hoffmann | usb_bus_new(&s->bus, &s->dev.qdev); |
2172 | 94527ead | Gerd Hoffmann | for(i = 0; i < NB_PORTS; i++) { |
2173 | 94527ead | Gerd Hoffmann | usb_register_port(&s->bus, &s->ports[i], s, i, &ehci_port_ops, |
2174 | 94527ead | Gerd Hoffmann | USB_SPEED_MASK_HIGH); |
2175 | 94527ead | Gerd Hoffmann | usb_port_location(&s->ports[i], NULL, i+1); |
2176 | 94527ead | Gerd Hoffmann | s->ports[i].dev = 0;
|
2177 | 94527ead | Gerd Hoffmann | } |
2178 | 94527ead | Gerd Hoffmann | |
2179 | 94527ead | Gerd Hoffmann | s->frame_timer = qemu_new_timer_ns(vm_clock, ehci_frame_timer, s); |
2180 | 8ac6d699 | Gerd Hoffmann | QTAILQ_INIT(&s->queues); |
2181 | 94527ead | Gerd Hoffmann | |
2182 | 94527ead | Gerd Hoffmann | qemu_register_reset(ehci_reset, s); |
2183 | 94527ead | Gerd Hoffmann | |
2184 | 94527ead | Gerd Hoffmann | s->mem = cpu_register_io_memory(ehci_readfn, ehci_writefn, s, |
2185 | 94527ead | Gerd Hoffmann | DEVICE_LITTLE_ENDIAN); |
2186 | 94527ead | Gerd Hoffmann | |
2187 | 94527ead | Gerd Hoffmann | pci_register_bar(&s->dev, 0, MMIO_SIZE, PCI_BASE_ADDRESS_SPACE_MEMORY,
|
2188 | 94527ead | Gerd Hoffmann | ehci_map); |
2189 | 94527ead | Gerd Hoffmann | |
2190 | 94527ead | Gerd Hoffmann | fprintf(stderr, "*** EHCI support is under development ***\n");
|
2191 | 94527ead | Gerd Hoffmann | |
2192 | 94527ead | Gerd Hoffmann | return 0; |
2193 | 94527ead | Gerd Hoffmann | } |
2194 | 94527ead | Gerd Hoffmann | |
2195 | 94527ead | Gerd Hoffmann | static void ehci_register(void) |
2196 | 94527ead | Gerd Hoffmann | { |
2197 | 94527ead | Gerd Hoffmann | pci_qdev_register(&ehci_info); |
2198 | 94527ead | Gerd Hoffmann | } |
2199 | 94527ead | Gerd Hoffmann | device_init(ehci_register); |
2200 | 94527ead | Gerd Hoffmann | |
2201 | 94527ead | Gerd Hoffmann | /*
|
2202 | 94527ead | Gerd Hoffmann | * vim: expandtab ts=4
|
2203 | 94527ead | Gerd Hoffmann | */ |