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1 | 0d92ed30 | pbrook | /*
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2 | 0d92ed30 | pbrook | * QEMU USB OHCI Emulation
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3 | 0d92ed30 | pbrook | * Copyright (c) 2004 Gianni Tedesco
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4 | 0d92ed30 | pbrook | * Copyright (c) 2006 CodeSourcery
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5 | e24ad6f1 | pbrook | * Copyright (c) 2006 Openedhand Ltd.
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6 | 0d92ed30 | pbrook | *
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7 | 0d92ed30 | pbrook | * This library is free software; you can redistribute it and/or
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8 | 0d92ed30 | pbrook | * modify it under the terms of the GNU Lesser General Public
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9 | 0d92ed30 | pbrook | * License as published by the Free Software Foundation; either
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10 | 0d92ed30 | pbrook | * version 2 of the License, or (at your option) any later version.
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11 | 0d92ed30 | pbrook | *
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12 | 0d92ed30 | pbrook | * This library is distributed in the hope that it will be useful,
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13 | 0d92ed30 | pbrook | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | 0d92ed30 | pbrook | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 | 0d92ed30 | pbrook | * Lesser General Public License for more details.
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16 | 0d92ed30 | pbrook | *
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17 | 0d92ed30 | pbrook | * You should have received a copy of the GNU Lesser General Public
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18 | 8167ee88 | Blue Swirl | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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19 | 0d92ed30 | pbrook | *
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20 | 0d92ed30 | pbrook | * TODO:
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21 | 0d92ed30 | pbrook | * o Isochronous transfers
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22 | 0d92ed30 | pbrook | * o Allocate bandwidth in frames properly
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23 | 0d92ed30 | pbrook | * o Disable timers when nothing needs to be done, or remove timer usage
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24 | 0d92ed30 | pbrook | * all together.
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25 | 0d92ed30 | pbrook | * o Handle unrecoverable errors properly
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26 | 0d92ed30 | pbrook | * o BIOS work to boot from USB storage
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27 | 0d92ed30 | pbrook | */
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28 | 0d92ed30 | pbrook | |
29 | 87ecb68b | pbrook | #include "hw.h" |
30 | 87ecb68b | pbrook | #include "qemu-timer.h" |
31 | 87ecb68b | pbrook | #include "usb.h" |
32 | 87ecb68b | pbrook | #include "pci.h" |
33 | 18e08a55 | Michael S. Tsirkin | #include "usb-ohci.h" |
34 | 61d3cf93 | Paul Brook | #include "sysbus.h" |
35 | 61d3cf93 | Paul Brook | #include "qdev-addr.h" |
36 | 0d92ed30 | pbrook | |
37 | 0d92ed30 | pbrook | //#define DEBUG_OHCI
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38 | 0d92ed30 | pbrook | /* Dump packet contents. */
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39 | 0d92ed30 | pbrook | //#define DEBUG_PACKET
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40 | 7bfe5777 | balrog | //#define DEBUG_ISOCH
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41 | 0d92ed30 | pbrook | /* This causes frames to occur 1000x slower */
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42 | 0d92ed30 | pbrook | //#define OHCI_TIME_WARP 1
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43 | 0d92ed30 | pbrook | |
44 | 0d92ed30 | pbrook | #ifdef DEBUG_OHCI
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45 | d0f2c4c6 | malc | #define DPRINTF printf
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46 | 0d92ed30 | pbrook | #else
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47 | d0f2c4c6 | malc | #define DPRINTF(...)
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48 | 0d92ed30 | pbrook | #endif
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49 | 0d92ed30 | pbrook | |
50 | 0d92ed30 | pbrook | /* Number of Downstream Ports on the root hub. */
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51 | 0d92ed30 | pbrook | |
52 | 0d92ed30 | pbrook | #define OHCI_MAX_PORTS 15 |
53 | 0d92ed30 | pbrook | |
54 | 0d92ed30 | pbrook | static int64_t usb_frame_time;
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55 | 0d92ed30 | pbrook | static int64_t usb_bit_time;
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56 | 0d92ed30 | pbrook | |
57 | 0d92ed30 | pbrook | typedef struct OHCIPort { |
58 | 0d92ed30 | pbrook | USBPort port; |
59 | 0d92ed30 | pbrook | uint32_t ctrl; |
60 | 0d92ed30 | pbrook | } OHCIPort; |
61 | 0d92ed30 | pbrook | |
62 | 0d92ed30 | pbrook | typedef struct { |
63 | b2317837 | Gerd Hoffmann | USBBus bus; |
64 | d537cf6c | pbrook | qemu_irq irq; |
65 | 0d92ed30 | pbrook | int mem;
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66 | 0d92ed30 | pbrook | int num_ports;
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67 | e24ad6f1 | pbrook | const char *name; |
68 | 0d92ed30 | pbrook | |
69 | 0d92ed30 | pbrook | QEMUTimer *eof_timer; |
70 | 0d92ed30 | pbrook | int64_t sof_time; |
71 | 0d92ed30 | pbrook | |
72 | 0d92ed30 | pbrook | /* OHCI state */
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73 | 0d92ed30 | pbrook | /* Control partition */
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74 | 0d92ed30 | pbrook | uint32_t ctl, status; |
75 | 0d92ed30 | pbrook | uint32_t intr_status; |
76 | 0d92ed30 | pbrook | uint32_t intr; |
77 | 0d92ed30 | pbrook | |
78 | 0d92ed30 | pbrook | /* memory pointer partition */
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79 | 0d92ed30 | pbrook | uint32_t hcca; |
80 | 0d92ed30 | pbrook | uint32_t ctrl_head, ctrl_cur; |
81 | 0d92ed30 | pbrook | uint32_t bulk_head, bulk_cur; |
82 | 0d92ed30 | pbrook | uint32_t per_cur; |
83 | 0d92ed30 | pbrook | uint32_t done; |
84 | 0d92ed30 | pbrook | int done_count;
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85 | 0d92ed30 | pbrook | |
86 | 0d92ed30 | pbrook | /* Frame counter partition */
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87 | 0d92ed30 | pbrook | uint32_t fsmps:15;
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88 | 0d92ed30 | pbrook | uint32_t fit:1;
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89 | 0d92ed30 | pbrook | uint32_t fi:14;
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90 | 0d92ed30 | pbrook | uint32_t frt:1;
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91 | 0d92ed30 | pbrook | uint16_t frame_number; |
92 | 0d92ed30 | pbrook | uint16_t padding; |
93 | 0d92ed30 | pbrook | uint32_t pstart; |
94 | 0d92ed30 | pbrook | uint32_t lst; |
95 | 0d92ed30 | pbrook | |
96 | 0d92ed30 | pbrook | /* Root Hub partition */
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97 | 0d92ed30 | pbrook | uint32_t rhdesc_a, rhdesc_b; |
98 | 0d92ed30 | pbrook | uint32_t rhstatus; |
99 | 0d92ed30 | pbrook | OHCIPort rhport[OHCI_MAX_PORTS]; |
100 | 4d611c9a | pbrook | |
101 | e24ad6f1 | pbrook | /* PXA27x Non-OHCI events */
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102 | e24ad6f1 | pbrook | uint32_t hstatus; |
103 | e24ad6f1 | pbrook | uint32_t hmask; |
104 | e24ad6f1 | pbrook | uint32_t hreset; |
105 | e24ad6f1 | pbrook | uint32_t htest; |
106 | e24ad6f1 | pbrook | |
107 | ac611340 | aurel32 | /* SM501 local memory offset */
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108 | c227f099 | Anthony Liguori | target_phys_addr_t localmem_base; |
109 | ac611340 | aurel32 | |
110 | 4d611c9a | pbrook | /* Active packets. */
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111 | 4d611c9a | pbrook | uint32_t old_ctl; |
112 | 4d611c9a | pbrook | USBPacket usb_packet; |
113 | 4d611c9a | pbrook | uint8_t usb_buf[8192];
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114 | 4d611c9a | pbrook | uint32_t async_td; |
115 | 4d611c9a | pbrook | int async_complete;
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116 | 4d611c9a | pbrook | |
117 | 0d92ed30 | pbrook | } OHCIState; |
118 | 0d92ed30 | pbrook | |
119 | 0d92ed30 | pbrook | /* Host Controller Communications Area */
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120 | 0d92ed30 | pbrook | struct ohci_hcca {
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121 | 0d92ed30 | pbrook | uint32_t intr[32];
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122 | 0d92ed30 | pbrook | uint16_t frame, pad; |
123 | 0d92ed30 | pbrook | uint32_t done; |
124 | 0d92ed30 | pbrook | }; |
125 | 0d92ed30 | pbrook | |
126 | 73221b12 | ths | static void ohci_bus_stop(OHCIState *ohci); |
127 | 73221b12 | ths | |
128 | 0d92ed30 | pbrook | /* Bitfields for the first word of an Endpoint Desciptor. */
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129 | 0d92ed30 | pbrook | #define OHCI_ED_FA_SHIFT 0 |
130 | 0d92ed30 | pbrook | #define OHCI_ED_FA_MASK (0x7f<<OHCI_ED_FA_SHIFT) |
131 | 0d92ed30 | pbrook | #define OHCI_ED_EN_SHIFT 7 |
132 | 0d92ed30 | pbrook | #define OHCI_ED_EN_MASK (0xf<<OHCI_ED_EN_SHIFT) |
133 | 0d92ed30 | pbrook | #define OHCI_ED_D_SHIFT 11 |
134 | 0d92ed30 | pbrook | #define OHCI_ED_D_MASK (3<<OHCI_ED_D_SHIFT) |
135 | 0d92ed30 | pbrook | #define OHCI_ED_S (1<<13) |
136 | 0d92ed30 | pbrook | #define OHCI_ED_K (1<<14) |
137 | 0d92ed30 | pbrook | #define OHCI_ED_F (1<<15) |
138 | 7bfe5777 | balrog | #define OHCI_ED_MPS_SHIFT 16 |
139 | 7bfe5777 | balrog | #define OHCI_ED_MPS_MASK (0x7ff<<OHCI_ED_MPS_SHIFT) |
140 | 0d92ed30 | pbrook | |
141 | 0d92ed30 | pbrook | /* Flags in the head field of an Endpoint Desciptor. */
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142 | 0d92ed30 | pbrook | #define OHCI_ED_H 1 |
143 | 0d92ed30 | pbrook | #define OHCI_ED_C 2 |
144 | 0d92ed30 | pbrook | |
145 | 0d92ed30 | pbrook | /* Bitfields for the first word of a Transfer Desciptor. */
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146 | 0d92ed30 | pbrook | #define OHCI_TD_R (1<<18) |
147 | 0d92ed30 | pbrook | #define OHCI_TD_DP_SHIFT 19 |
148 | 0d92ed30 | pbrook | #define OHCI_TD_DP_MASK (3<<OHCI_TD_DP_SHIFT) |
149 | 0d92ed30 | pbrook | #define OHCI_TD_DI_SHIFT 21 |
150 | 0d92ed30 | pbrook | #define OHCI_TD_DI_MASK (7<<OHCI_TD_DI_SHIFT) |
151 | 0d92ed30 | pbrook | #define OHCI_TD_T0 (1<<24) |
152 | 0d92ed30 | pbrook | #define OHCI_TD_T1 (1<<24) |
153 | 0d92ed30 | pbrook | #define OHCI_TD_EC_SHIFT 26 |
154 | 0d92ed30 | pbrook | #define OHCI_TD_EC_MASK (3<<OHCI_TD_EC_SHIFT) |
155 | 0d92ed30 | pbrook | #define OHCI_TD_CC_SHIFT 28 |
156 | 0d92ed30 | pbrook | #define OHCI_TD_CC_MASK (0xf<<OHCI_TD_CC_SHIFT) |
157 | 0d92ed30 | pbrook | |
158 | 7bfe5777 | balrog | /* Bitfields for the first word of an Isochronous Transfer Desciptor. */
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159 | 7bfe5777 | balrog | /* CC & DI - same as in the General Transfer Desciptor */
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160 | 7bfe5777 | balrog | #define OHCI_TD_SF_SHIFT 0 |
161 | 7bfe5777 | balrog | #define OHCI_TD_SF_MASK (0xffff<<OHCI_TD_SF_SHIFT) |
162 | 7bfe5777 | balrog | #define OHCI_TD_FC_SHIFT 24 |
163 | 7bfe5777 | balrog | #define OHCI_TD_FC_MASK (7<<OHCI_TD_FC_SHIFT) |
164 | 7bfe5777 | balrog | |
165 | 7bfe5777 | balrog | /* Isochronous Transfer Desciptor - Offset / PacketStatusWord */
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166 | 7bfe5777 | balrog | #define OHCI_TD_PSW_CC_SHIFT 12 |
167 | 7bfe5777 | balrog | #define OHCI_TD_PSW_CC_MASK (0xf<<OHCI_TD_PSW_CC_SHIFT) |
168 | 7bfe5777 | balrog | #define OHCI_TD_PSW_SIZE_SHIFT 0 |
169 | 7bfe5777 | balrog | #define OHCI_TD_PSW_SIZE_MASK (0xfff<<OHCI_TD_PSW_SIZE_SHIFT) |
170 | 7bfe5777 | balrog | |
171 | 7bfe5777 | balrog | #define OHCI_PAGE_MASK 0xfffff000 |
172 | 7bfe5777 | balrog | #define OHCI_OFFSET_MASK 0xfff |
173 | 7bfe5777 | balrog | |
174 | 0d92ed30 | pbrook | #define OHCI_DPTR_MASK 0xfffffff0 |
175 | 0d92ed30 | pbrook | |
176 | 0d92ed30 | pbrook | #define OHCI_BM(val, field) \
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177 | 0d92ed30 | pbrook | (((val) & OHCI_##field##_MASK) >> OHCI_##field##_SHIFT) |
178 | 0d92ed30 | pbrook | |
179 | 0d92ed30 | pbrook | #define OHCI_SET_BM(val, field, newval) do { \ |
180 | 0d92ed30 | pbrook | val &= ~OHCI_##field##_MASK; \ |
181 | 0d92ed30 | pbrook | val |= ((newval) << OHCI_##field##_SHIFT) & OHCI_##field##_MASK; \ |
182 | 0d92ed30 | pbrook | } while(0) |
183 | 0d92ed30 | pbrook | |
184 | 0d92ed30 | pbrook | /* endpoint descriptor */
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185 | 0d92ed30 | pbrook | struct ohci_ed {
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186 | 0d92ed30 | pbrook | uint32_t flags; |
187 | 0d92ed30 | pbrook | uint32_t tail; |
188 | 0d92ed30 | pbrook | uint32_t head; |
189 | 0d92ed30 | pbrook | uint32_t next; |
190 | 0d92ed30 | pbrook | }; |
191 | 0d92ed30 | pbrook | |
192 | 0d92ed30 | pbrook | /* General transfer descriptor */
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193 | 0d92ed30 | pbrook | struct ohci_td {
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194 | 0d92ed30 | pbrook | uint32_t flags; |
195 | 0d92ed30 | pbrook | uint32_t cbp; |
196 | 0d92ed30 | pbrook | uint32_t next; |
197 | 0d92ed30 | pbrook | uint32_t be; |
198 | 0d92ed30 | pbrook | }; |
199 | 0d92ed30 | pbrook | |
200 | 7bfe5777 | balrog | /* Isochronous transfer descriptor */
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201 | 7bfe5777 | balrog | struct ohci_iso_td {
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202 | 7bfe5777 | balrog | uint32_t flags; |
203 | 7bfe5777 | balrog | uint32_t bp; |
204 | 7bfe5777 | balrog | uint32_t next; |
205 | 7bfe5777 | balrog | uint32_t be; |
206 | 7bfe5777 | balrog | uint16_t offset[8];
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207 | 7bfe5777 | balrog | }; |
208 | 7bfe5777 | balrog | |
209 | 0d92ed30 | pbrook | #define USB_HZ 12000000 |
210 | 0d92ed30 | pbrook | |
211 | 0d92ed30 | pbrook | /* OHCI Local stuff */
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212 | 0d92ed30 | pbrook | #define OHCI_CTL_CBSR ((1<<0)|(1<<1)) |
213 | 0d92ed30 | pbrook | #define OHCI_CTL_PLE (1<<2) |
214 | 0d92ed30 | pbrook | #define OHCI_CTL_IE (1<<3) |
215 | 0d92ed30 | pbrook | #define OHCI_CTL_CLE (1<<4) |
216 | 0d92ed30 | pbrook | #define OHCI_CTL_BLE (1<<5) |
217 | 0d92ed30 | pbrook | #define OHCI_CTL_HCFS ((1<<6)|(1<<7)) |
218 | 0d92ed30 | pbrook | #define OHCI_USB_RESET 0x00 |
219 | 0d92ed30 | pbrook | #define OHCI_USB_RESUME 0x40 |
220 | 0d92ed30 | pbrook | #define OHCI_USB_OPERATIONAL 0x80 |
221 | 0d92ed30 | pbrook | #define OHCI_USB_SUSPEND 0xc0 |
222 | 0d92ed30 | pbrook | #define OHCI_CTL_IR (1<<8) |
223 | 0d92ed30 | pbrook | #define OHCI_CTL_RWC (1<<9) |
224 | 0d92ed30 | pbrook | #define OHCI_CTL_RWE (1<<10) |
225 | 0d92ed30 | pbrook | |
226 | 0d92ed30 | pbrook | #define OHCI_STATUS_HCR (1<<0) |
227 | 0d92ed30 | pbrook | #define OHCI_STATUS_CLF (1<<1) |
228 | 0d92ed30 | pbrook | #define OHCI_STATUS_BLF (1<<2) |
229 | 0d92ed30 | pbrook | #define OHCI_STATUS_OCR (1<<3) |
230 | 0d92ed30 | pbrook | #define OHCI_STATUS_SOC ((1<<6)|(1<<7)) |
231 | 0d92ed30 | pbrook | |
232 | 0d92ed30 | pbrook | #define OHCI_INTR_SO (1<<0) /* Scheduling overrun */ |
233 | 0d92ed30 | pbrook | #define OHCI_INTR_WD (1<<1) /* HcDoneHead writeback */ |
234 | 0d92ed30 | pbrook | #define OHCI_INTR_SF (1<<2) /* Start of frame */ |
235 | 0d92ed30 | pbrook | #define OHCI_INTR_RD (1<<3) /* Resume detect */ |
236 | 0d92ed30 | pbrook | #define OHCI_INTR_UE (1<<4) /* Unrecoverable error */ |
237 | 0d92ed30 | pbrook | #define OHCI_INTR_FNO (1<<5) /* Frame number overflow */ |
238 | 0d92ed30 | pbrook | #define OHCI_INTR_RHSC (1<<6) /* Root hub status change */ |
239 | 0d92ed30 | pbrook | #define OHCI_INTR_OC (1<<30) /* Ownership change */ |
240 | 0d92ed30 | pbrook | #define OHCI_INTR_MIE (1<<31) /* Master Interrupt Enable */ |
241 | 0d92ed30 | pbrook | |
242 | 0d92ed30 | pbrook | #define OHCI_HCCA_SIZE 0x100 |
243 | 0d92ed30 | pbrook | #define OHCI_HCCA_MASK 0xffffff00 |
244 | 0d92ed30 | pbrook | |
245 | 0d92ed30 | pbrook | #define OHCI_EDPTR_MASK 0xfffffff0 |
246 | 0d92ed30 | pbrook | |
247 | 0d92ed30 | pbrook | #define OHCI_FMI_FI 0x00003fff |
248 | 0d92ed30 | pbrook | #define OHCI_FMI_FSMPS 0xffff0000 |
249 | 0d92ed30 | pbrook | #define OHCI_FMI_FIT 0x80000000 |
250 | 0d92ed30 | pbrook | |
251 | 0d92ed30 | pbrook | #define OHCI_FR_RT (1<<31) |
252 | 0d92ed30 | pbrook | |
253 | 0d92ed30 | pbrook | #define OHCI_LS_THRESH 0x628 |
254 | 0d92ed30 | pbrook | |
255 | 0d92ed30 | pbrook | #define OHCI_RHA_RW_MASK 0x00000000 /* Mask of supported features. */ |
256 | 0d92ed30 | pbrook | #define OHCI_RHA_PSM (1<<8) |
257 | 0d92ed30 | pbrook | #define OHCI_RHA_NPS (1<<9) |
258 | 0d92ed30 | pbrook | #define OHCI_RHA_DT (1<<10) |
259 | 0d92ed30 | pbrook | #define OHCI_RHA_OCPM (1<<11) |
260 | 0d92ed30 | pbrook | #define OHCI_RHA_NOCP (1<<12) |
261 | 0d92ed30 | pbrook | #define OHCI_RHA_POTPGT_MASK 0xff000000 |
262 | 0d92ed30 | pbrook | |
263 | 0d92ed30 | pbrook | #define OHCI_RHS_LPS (1<<0) |
264 | 0d92ed30 | pbrook | #define OHCI_RHS_OCI (1<<1) |
265 | 0d92ed30 | pbrook | #define OHCI_RHS_DRWE (1<<15) |
266 | 0d92ed30 | pbrook | #define OHCI_RHS_LPSC (1<<16) |
267 | 0d92ed30 | pbrook | #define OHCI_RHS_OCIC (1<<17) |
268 | 0d92ed30 | pbrook | #define OHCI_RHS_CRWE (1<<31) |
269 | 0d92ed30 | pbrook | |
270 | 0d92ed30 | pbrook | #define OHCI_PORT_CCS (1<<0) |
271 | 0d92ed30 | pbrook | #define OHCI_PORT_PES (1<<1) |
272 | 0d92ed30 | pbrook | #define OHCI_PORT_PSS (1<<2) |
273 | 0d92ed30 | pbrook | #define OHCI_PORT_POCI (1<<3) |
274 | 0d92ed30 | pbrook | #define OHCI_PORT_PRS (1<<4) |
275 | 0d92ed30 | pbrook | #define OHCI_PORT_PPS (1<<8) |
276 | 0d92ed30 | pbrook | #define OHCI_PORT_LSDA (1<<9) |
277 | 0d92ed30 | pbrook | #define OHCI_PORT_CSC (1<<16) |
278 | 0d92ed30 | pbrook | #define OHCI_PORT_PESC (1<<17) |
279 | 0d92ed30 | pbrook | #define OHCI_PORT_PSSC (1<<18) |
280 | 0d92ed30 | pbrook | #define OHCI_PORT_OCIC (1<<19) |
281 | 0d92ed30 | pbrook | #define OHCI_PORT_PRSC (1<<20) |
282 | 0d92ed30 | pbrook | #define OHCI_PORT_WTC (OHCI_PORT_CSC|OHCI_PORT_PESC|OHCI_PORT_PSSC \
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283 | 0d92ed30 | pbrook | |OHCI_PORT_OCIC|OHCI_PORT_PRSC) |
284 | 0d92ed30 | pbrook | |
285 | 0d92ed30 | pbrook | #define OHCI_TD_DIR_SETUP 0x0 |
286 | 0d92ed30 | pbrook | #define OHCI_TD_DIR_OUT 0x1 |
287 | 0d92ed30 | pbrook | #define OHCI_TD_DIR_IN 0x2 |
288 | 0d92ed30 | pbrook | #define OHCI_TD_DIR_RESERVED 0x3 |
289 | 0d92ed30 | pbrook | |
290 | 0d92ed30 | pbrook | #define OHCI_CC_NOERROR 0x0 |
291 | 0d92ed30 | pbrook | #define OHCI_CC_CRC 0x1 |
292 | 0d92ed30 | pbrook | #define OHCI_CC_BITSTUFFING 0x2 |
293 | 0d92ed30 | pbrook | #define OHCI_CC_DATATOGGLEMISMATCH 0x3 |
294 | 0d92ed30 | pbrook | #define OHCI_CC_STALL 0x4 |
295 | 0d92ed30 | pbrook | #define OHCI_CC_DEVICENOTRESPONDING 0x5 |
296 | 0d92ed30 | pbrook | #define OHCI_CC_PIDCHECKFAILURE 0x6 |
297 | 0d92ed30 | pbrook | #define OHCI_CC_UNDEXPETEDPID 0x7 |
298 | 0d92ed30 | pbrook | #define OHCI_CC_DATAOVERRUN 0x8 |
299 | 0d92ed30 | pbrook | #define OHCI_CC_DATAUNDERRUN 0x9 |
300 | 0d92ed30 | pbrook | #define OHCI_CC_BUFFEROVERRUN 0xc |
301 | 0d92ed30 | pbrook | #define OHCI_CC_BUFFERUNDERRUN 0xd |
302 | 0d92ed30 | pbrook | |
303 | e24ad6f1 | pbrook | #define OHCI_HRESET_FSBIR (1 << 0) |
304 | e24ad6f1 | pbrook | |
305 | 61064870 | pbrook | /* Update IRQ levels */
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306 | 61064870 | pbrook | static inline void ohci_intr_update(OHCIState *ohci) |
307 | 61064870 | pbrook | { |
308 | 61064870 | pbrook | int level = 0; |
309 | 61064870 | pbrook | |
310 | 61064870 | pbrook | if ((ohci->intr & OHCI_INTR_MIE) &&
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311 | 61064870 | pbrook | (ohci->intr_status & ohci->intr)) |
312 | 61064870 | pbrook | level = 1;
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313 | 61064870 | pbrook | |
314 | d537cf6c | pbrook | qemu_set_irq(ohci->irq, level); |
315 | 61064870 | pbrook | } |
316 | 61064870 | pbrook | |
317 | 61064870 | pbrook | /* Set an interrupt */
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318 | 61064870 | pbrook | static inline void ohci_set_interrupt(OHCIState *ohci, uint32_t intr) |
319 | 61064870 | pbrook | { |
320 | 61064870 | pbrook | ohci->intr_status |= intr; |
321 | 61064870 | pbrook | ohci_intr_update(ohci); |
322 | 61064870 | pbrook | } |
323 | 61064870 | pbrook | |
324 | 61064870 | pbrook | /* Attach or detach a device on a root hub port. */
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325 | 618c169b | Gerd Hoffmann | static void ohci_attach(USBPort *port1) |
326 | 0d92ed30 | pbrook | { |
327 | 0d92ed30 | pbrook | OHCIState *s = port1->opaque; |
328 | 0d92ed30 | pbrook | OHCIPort *port = &s->rhport[port1->index]; |
329 | 0d92ed30 | pbrook | |
330 | 618c169b | Gerd Hoffmann | /* set connect status */
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331 | 618c169b | Gerd Hoffmann | port->ctrl |= OHCI_PORT_CCS | OHCI_PORT_CSC; |
332 | 618c169b | Gerd Hoffmann | |
333 | 618c169b | Gerd Hoffmann | /* update speed */
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334 | 618c169b | Gerd Hoffmann | if (port->port.dev->speed == USB_SPEED_LOW) {
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335 | 618c169b | Gerd Hoffmann | port->ctrl |= OHCI_PORT_LSDA; |
336 | 0d92ed30 | pbrook | } else {
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337 | 618c169b | Gerd Hoffmann | port->ctrl &= ~OHCI_PORT_LSDA; |
338 | 618c169b | Gerd Hoffmann | } |
339 | 618c169b | Gerd Hoffmann | |
340 | 618c169b | Gerd Hoffmann | /* notify of remote-wakeup */
|
341 | 618c169b | Gerd Hoffmann | if ((s->ctl & OHCI_CTL_HCFS) == OHCI_USB_SUSPEND) {
|
342 | 618c169b | Gerd Hoffmann | ohci_set_interrupt(s, OHCI_INTR_RD); |
343 | 618c169b | Gerd Hoffmann | } |
344 | 618c169b | Gerd Hoffmann | |
345 | 618c169b | Gerd Hoffmann | DPRINTF("usb-ohci: Attached port %d\n", port1->index);
|
346 | 618c169b | Gerd Hoffmann | } |
347 | 618c169b | Gerd Hoffmann | |
348 | 618c169b | Gerd Hoffmann | static void ohci_detach(USBPort *port1) |
349 | 618c169b | Gerd Hoffmann | { |
350 | 618c169b | Gerd Hoffmann | OHCIState *s = port1->opaque; |
351 | 618c169b | Gerd Hoffmann | OHCIPort *port = &s->rhport[port1->index]; |
352 | 618c169b | Gerd Hoffmann | uint32_t old_state = port->ctrl; |
353 | 618c169b | Gerd Hoffmann | |
354 | 618c169b | Gerd Hoffmann | /* set connect status */
|
355 | 618c169b | Gerd Hoffmann | if (port->ctrl & OHCI_PORT_CCS) {
|
356 | 618c169b | Gerd Hoffmann | port->ctrl &= ~OHCI_PORT_CCS; |
357 | 618c169b | Gerd Hoffmann | port->ctrl |= OHCI_PORT_CSC; |
358 | 618c169b | Gerd Hoffmann | } |
359 | 618c169b | Gerd Hoffmann | /* disable port */
|
360 | 618c169b | Gerd Hoffmann | if (port->ctrl & OHCI_PORT_PES) {
|
361 | 618c169b | Gerd Hoffmann | port->ctrl &= ~OHCI_PORT_PES; |
362 | 618c169b | Gerd Hoffmann | port->ctrl |= OHCI_PORT_PESC; |
363 | 0d92ed30 | pbrook | } |
364 | 618c169b | Gerd Hoffmann | DPRINTF("usb-ohci: Detached port %d\n", port1->index);
|
365 | 61064870 | pbrook | |
366 | 61064870 | pbrook | if (old_state != port->ctrl)
|
367 | 61064870 | pbrook | ohci_set_interrupt(s, OHCI_INTR_RHSC); |
368 | 0d92ed30 | pbrook | } |
369 | 0d92ed30 | pbrook | |
370 | 9bba1eb1 | Peter Maydell | static void ohci_wakeup(USBDevice *dev) |
371 | 9bba1eb1 | Peter Maydell | { |
372 | 9bba1eb1 | Peter Maydell | USBBus *bus = usb_bus_from_device(dev); |
373 | 9bba1eb1 | Peter Maydell | OHCIState *s = container_of(bus, OHCIState, bus); |
374 | 9bba1eb1 | Peter Maydell | int portnum = dev->port->index;
|
375 | 9bba1eb1 | Peter Maydell | OHCIPort *port = &s->rhport[portnum]; |
376 | 9bba1eb1 | Peter Maydell | if (port->ctrl & OHCI_PORT_PSS) {
|
377 | 9bba1eb1 | Peter Maydell | DPRINTF("usb-ohci: port %d: wakeup\n", portnum);
|
378 | 9bba1eb1 | Peter Maydell | port->ctrl |= OHCI_PORT_PSSC; |
379 | 9bba1eb1 | Peter Maydell | port->ctrl &= ~OHCI_PORT_PSS; |
380 | 9bba1eb1 | Peter Maydell | if ((s->ctl & OHCI_CTL_HCFS) == OHCI_USB_SUSPEND) {
|
381 | 9bba1eb1 | Peter Maydell | ohci_set_interrupt(s, OHCI_INTR_RD); |
382 | 9bba1eb1 | Peter Maydell | } |
383 | 9bba1eb1 | Peter Maydell | } |
384 | 9bba1eb1 | Peter Maydell | } |
385 | 9bba1eb1 | Peter Maydell | |
386 | 0d92ed30 | pbrook | /* Reset the controller */
|
387 | 73221b12 | ths | static void ohci_reset(void *opaque) |
388 | 0d92ed30 | pbrook | { |
389 | 73221b12 | ths | OHCIState *ohci = opaque; |
390 | 0d92ed30 | pbrook | OHCIPort *port; |
391 | 0d92ed30 | pbrook | int i;
|
392 | 0d92ed30 | pbrook | |
393 | 73221b12 | ths | ohci_bus_stop(ohci); |
394 | 0d92ed30 | pbrook | ohci->ctl = 0;
|
395 | 4d611c9a | pbrook | ohci->old_ctl = 0;
|
396 | 0d92ed30 | pbrook | ohci->status = 0;
|
397 | 0d92ed30 | pbrook | ohci->intr_status = 0;
|
398 | 0d92ed30 | pbrook | ohci->intr = OHCI_INTR_MIE; |
399 | 0d92ed30 | pbrook | |
400 | 0d92ed30 | pbrook | ohci->hcca = 0;
|
401 | 0d92ed30 | pbrook | ohci->ctrl_head = ohci->ctrl_cur = 0;
|
402 | 0d92ed30 | pbrook | ohci->bulk_head = ohci->bulk_cur = 0;
|
403 | 0d92ed30 | pbrook | ohci->per_cur = 0;
|
404 | 0d92ed30 | pbrook | ohci->done = 0;
|
405 | 0d92ed30 | pbrook | ohci->done_count = 7;
|
406 | 0d92ed30 | pbrook | |
407 | 0d92ed30 | pbrook | /* FSMPS is marked TBD in OCHI 1.0, what gives ffs?
|
408 | 0d92ed30 | pbrook | * I took the value linux sets ...
|
409 | 0d92ed30 | pbrook | */
|
410 | 0d92ed30 | pbrook | ohci->fsmps = 0x2778;
|
411 | 0d92ed30 | pbrook | ohci->fi = 0x2edf;
|
412 | 0d92ed30 | pbrook | ohci->fit = 0;
|
413 | 0d92ed30 | pbrook | ohci->frt = 0;
|
414 | 0d92ed30 | pbrook | ohci->frame_number = 0;
|
415 | 0d92ed30 | pbrook | ohci->pstart = 0;
|
416 | 0d92ed30 | pbrook | ohci->lst = OHCI_LS_THRESH; |
417 | 0d92ed30 | pbrook | |
418 | 0d92ed30 | pbrook | ohci->rhdesc_a = OHCI_RHA_NPS | ohci->num_ports; |
419 | 0d92ed30 | pbrook | ohci->rhdesc_b = 0x0; /* Impl. specific */ |
420 | 0d92ed30 | pbrook | ohci->rhstatus = 0;
|
421 | 0d92ed30 | pbrook | |
422 | 0d92ed30 | pbrook | for (i = 0; i < ohci->num_ports; i++) |
423 | 0d92ed30 | pbrook | { |
424 | 0d92ed30 | pbrook | port = &ohci->rhport[i]; |
425 | 0d92ed30 | pbrook | port->ctrl = 0;
|
426 | 618c169b | Gerd Hoffmann | if (port->port.dev) {
|
427 | 618c169b | Gerd Hoffmann | usb_attach(&port->port, port->port.dev); |
428 | 618c169b | Gerd Hoffmann | } |
429 | 0d92ed30 | pbrook | } |
430 | 4d611c9a | pbrook | if (ohci->async_td) {
|
431 | 4d611c9a | pbrook | usb_cancel_packet(&ohci->usb_packet); |
432 | 4d611c9a | pbrook | ohci->async_td = 0;
|
433 | 4d611c9a | pbrook | } |
434 | d0f2c4c6 | malc | DPRINTF("usb-ohci: Reset %s\n", ohci->name);
|
435 | 0d92ed30 | pbrook | } |
436 | 0d92ed30 | pbrook | |
437 | 0d92ed30 | pbrook | /* Get an array of dwords from main memory */
|
438 | ac611340 | aurel32 | static inline int get_dwords(OHCIState *ohci, |
439 | ac611340 | aurel32 | uint32_t addr, uint32_t *buf, int num)
|
440 | 0d92ed30 | pbrook | { |
441 | 0d92ed30 | pbrook | int i;
|
442 | 0d92ed30 | pbrook | |
443 | ac611340 | aurel32 | addr += ohci->localmem_base; |
444 | ac611340 | aurel32 | |
445 | 0d92ed30 | pbrook | for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { |
446 | 54f7b4a3 | Stefan Weil | cpu_physical_memory_read(addr, buf, sizeof(*buf));
|
447 | 0d92ed30 | pbrook | *buf = le32_to_cpu(*buf); |
448 | 0d92ed30 | pbrook | } |
449 | 0d92ed30 | pbrook | |
450 | 0d92ed30 | pbrook | return 1; |
451 | 0d92ed30 | pbrook | } |
452 | 0d92ed30 | pbrook | |
453 | 0d92ed30 | pbrook | /* Put an array of dwords in to main memory */
|
454 | ac611340 | aurel32 | static inline int put_dwords(OHCIState *ohci, |
455 | ac611340 | aurel32 | uint32_t addr, uint32_t *buf, int num)
|
456 | 0d92ed30 | pbrook | { |
457 | 0d92ed30 | pbrook | int i;
|
458 | 0d92ed30 | pbrook | |
459 | ac611340 | aurel32 | addr += ohci->localmem_base; |
460 | ac611340 | aurel32 | |
461 | 0d92ed30 | pbrook | for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { |
462 | 0d92ed30 | pbrook | uint32_t tmp = cpu_to_le32(*buf); |
463 | 54f7b4a3 | Stefan Weil | cpu_physical_memory_write(addr, &tmp, sizeof(tmp));
|
464 | 0d92ed30 | pbrook | } |
465 | 0d92ed30 | pbrook | |
466 | 0d92ed30 | pbrook | return 1; |
467 | 0d92ed30 | pbrook | } |
468 | 0d92ed30 | pbrook | |
469 | 7bfe5777 | balrog | /* Get an array of words from main memory */
|
470 | ac611340 | aurel32 | static inline int get_words(OHCIState *ohci, |
471 | ac611340 | aurel32 | uint32_t addr, uint16_t *buf, int num)
|
472 | 7bfe5777 | balrog | { |
473 | 7bfe5777 | balrog | int i;
|
474 | 7bfe5777 | balrog | |
475 | ac611340 | aurel32 | addr += ohci->localmem_base; |
476 | ac611340 | aurel32 | |
477 | 7bfe5777 | balrog | for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { |
478 | 54f7b4a3 | Stefan Weil | cpu_physical_memory_read(addr, buf, sizeof(*buf));
|
479 | 7bfe5777 | balrog | *buf = le16_to_cpu(*buf); |
480 | 7bfe5777 | balrog | } |
481 | 7bfe5777 | balrog | |
482 | 7bfe5777 | balrog | return 1; |
483 | 7bfe5777 | balrog | } |
484 | 7bfe5777 | balrog | |
485 | 7bfe5777 | balrog | /* Put an array of words in to main memory */
|
486 | ac611340 | aurel32 | static inline int put_words(OHCIState *ohci, |
487 | ac611340 | aurel32 | uint32_t addr, uint16_t *buf, int num)
|
488 | 7bfe5777 | balrog | { |
489 | 7bfe5777 | balrog | int i;
|
490 | 7bfe5777 | balrog | |
491 | ac611340 | aurel32 | addr += ohci->localmem_base; |
492 | ac611340 | aurel32 | |
493 | 7bfe5777 | balrog | for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { |
494 | 7bfe5777 | balrog | uint16_t tmp = cpu_to_le16(*buf); |
495 | 54f7b4a3 | Stefan Weil | cpu_physical_memory_write(addr, &tmp, sizeof(tmp));
|
496 | 7bfe5777 | balrog | } |
497 | 7bfe5777 | balrog | |
498 | 7bfe5777 | balrog | return 1; |
499 | 7bfe5777 | balrog | } |
500 | 7bfe5777 | balrog | |
501 | ac611340 | aurel32 | static inline int ohci_read_ed(OHCIState *ohci, |
502 | ac611340 | aurel32 | uint32_t addr, struct ohci_ed *ed)
|
503 | 0d92ed30 | pbrook | { |
504 | ac611340 | aurel32 | return get_dwords(ohci, addr, (uint32_t *)ed, sizeof(*ed) >> 2); |
505 | 0d92ed30 | pbrook | } |
506 | 0d92ed30 | pbrook | |
507 | ac611340 | aurel32 | static inline int ohci_read_td(OHCIState *ohci, |
508 | ac611340 | aurel32 | uint32_t addr, struct ohci_td *td)
|
509 | 0d92ed30 | pbrook | { |
510 | ac611340 | aurel32 | return get_dwords(ohci, addr, (uint32_t *)td, sizeof(*td) >> 2); |
511 | 0d92ed30 | pbrook | } |
512 | 0d92ed30 | pbrook | |
513 | ac611340 | aurel32 | static inline int ohci_read_iso_td(OHCIState *ohci, |
514 | ac611340 | aurel32 | uint32_t addr, struct ohci_iso_td *td)
|
515 | 7bfe5777 | balrog | { |
516 | ac611340 | aurel32 | return (get_dwords(ohci, addr, (uint32_t *)td, 4) && |
517 | ac611340 | aurel32 | get_words(ohci, addr + 16, td->offset, 8)); |
518 | 7bfe5777 | balrog | } |
519 | 7bfe5777 | balrog | |
520 | ac611340 | aurel32 | static inline int ohci_read_hcca(OHCIState *ohci, |
521 | ac611340 | aurel32 | uint32_t addr, struct ohci_hcca *hcca)
|
522 | 0d92ed30 | pbrook | { |
523 | 54f7b4a3 | Stefan Weil | cpu_physical_memory_read(addr + ohci->localmem_base, hcca, sizeof(*hcca));
|
524 | ac611340 | aurel32 | return 1; |
525 | 0d92ed30 | pbrook | } |
526 | 0d92ed30 | pbrook | |
527 | ac611340 | aurel32 | static inline int ohci_put_ed(OHCIState *ohci, |
528 | ac611340 | aurel32 | uint32_t addr, struct ohci_ed *ed)
|
529 | 0d92ed30 | pbrook | { |
530 | ac611340 | aurel32 | return put_dwords(ohci, addr, (uint32_t *)ed, sizeof(*ed) >> 2); |
531 | 0d92ed30 | pbrook | } |
532 | 0d92ed30 | pbrook | |
533 | ac611340 | aurel32 | static inline int ohci_put_td(OHCIState *ohci, |
534 | ac611340 | aurel32 | uint32_t addr, struct ohci_td *td)
|
535 | 7bfe5777 | balrog | { |
536 | ac611340 | aurel32 | return put_dwords(ohci, addr, (uint32_t *)td, sizeof(*td) >> 2); |
537 | ac611340 | aurel32 | } |
538 | ac611340 | aurel32 | |
539 | ac611340 | aurel32 | static inline int ohci_put_iso_td(OHCIState *ohci, |
540 | ac611340 | aurel32 | uint32_t addr, struct ohci_iso_td *td)
|
541 | ac611340 | aurel32 | { |
542 | ac611340 | aurel32 | return (put_dwords(ohci, addr, (uint32_t *)td, 4) && |
543 | ac611340 | aurel32 | put_words(ohci, addr + 16, td->offset, 8)); |
544 | ac611340 | aurel32 | } |
545 | ac611340 | aurel32 | |
546 | ac611340 | aurel32 | static inline int ohci_put_hcca(OHCIState *ohci, |
547 | ac611340 | aurel32 | uint32_t addr, struct ohci_hcca *hcca)
|
548 | ac611340 | aurel32 | { |
549 | 54f7b4a3 | Stefan Weil | cpu_physical_memory_write(addr + ohci->localmem_base, hcca, sizeof(*hcca));
|
550 | ac611340 | aurel32 | return 1; |
551 | 7bfe5777 | balrog | } |
552 | 7bfe5777 | balrog | |
553 | 0d92ed30 | pbrook | /* Read/Write the contents of a TD from/to main memory. */
|
554 | ac611340 | aurel32 | static void ohci_copy_td(OHCIState *ohci, struct ohci_td *td, |
555 | ac611340 | aurel32 | uint8_t *buf, int len, int write) |
556 | 0d92ed30 | pbrook | { |
557 | 0d92ed30 | pbrook | uint32_t ptr; |
558 | 0d92ed30 | pbrook | uint32_t n; |
559 | 0d92ed30 | pbrook | |
560 | 0d92ed30 | pbrook | ptr = td->cbp; |
561 | 0d92ed30 | pbrook | n = 0x1000 - (ptr & 0xfff); |
562 | 0d92ed30 | pbrook | if (n > len)
|
563 | 0d92ed30 | pbrook | n = len; |
564 | ac611340 | aurel32 | cpu_physical_memory_rw(ptr + ohci->localmem_base, buf, n, write); |
565 | 0d92ed30 | pbrook | if (n == len)
|
566 | 0d92ed30 | pbrook | return;
|
567 | 0d92ed30 | pbrook | ptr = td->be & ~0xfffu;
|
568 | e6f3e5e0 | pbrook | buf += n; |
569 | ac611340 | aurel32 | cpu_physical_memory_rw(ptr + ohci->localmem_base, buf, len - n, write); |
570 | 0d92ed30 | pbrook | } |
571 | 0d92ed30 | pbrook | |
572 | 7bfe5777 | balrog | /* Read/Write the contents of an ISO TD from/to main memory. */
|
573 | ac611340 | aurel32 | static void ohci_copy_iso_td(OHCIState *ohci, |
574 | ac611340 | aurel32 | uint32_t start_addr, uint32_t end_addr, |
575 | 7bfe5777 | balrog | uint8_t *buf, int len, int write) |
576 | 7bfe5777 | balrog | { |
577 | 7bfe5777 | balrog | uint32_t ptr; |
578 | 7bfe5777 | balrog | uint32_t n; |
579 | 4d611c9a | pbrook | |
580 | 7bfe5777 | balrog | ptr = start_addr; |
581 | 7bfe5777 | balrog | n = 0x1000 - (ptr & 0xfff); |
582 | 7bfe5777 | balrog | if (n > len)
|
583 | 7bfe5777 | balrog | n = len; |
584 | ac611340 | aurel32 | cpu_physical_memory_rw(ptr + ohci->localmem_base, buf, n, write); |
585 | 7bfe5777 | balrog | if (n == len)
|
586 | 7bfe5777 | balrog | return;
|
587 | 7bfe5777 | balrog | ptr = end_addr & ~0xfffu;
|
588 | 7bfe5777 | balrog | buf += n; |
589 | ac611340 | aurel32 | cpu_physical_memory_rw(ptr + ohci->localmem_base, buf, len - n, write); |
590 | 7bfe5777 | balrog | } |
591 | 7bfe5777 | balrog | |
592 | 7bfe5777 | balrog | static void ohci_process_lists(OHCIState *ohci, int completion); |
593 | 7bfe5777 | balrog | |
594 | 13a9a0d3 | Gerd Hoffmann | static void ohci_async_complete_packet(USBDevice *dev, USBPacket *packet) |
595 | 4d611c9a | pbrook | { |
596 | 9066df13 | Gerd Hoffmann | OHCIState *ohci = container_of(packet, OHCIState, usb_packet); |
597 | 4d611c9a | pbrook | #ifdef DEBUG_PACKET
|
598 | d0f2c4c6 | malc | DPRINTF("Async packet complete\n");
|
599 | 4d611c9a | pbrook | #endif
|
600 | 4d611c9a | pbrook | ohci->async_complete = 1;
|
601 | 7bfe5777 | balrog | ohci_process_lists(ohci, 1);
|
602 | 7bfe5777 | balrog | } |
603 | 7bfe5777 | balrog | |
604 | 7bfe5777 | balrog | #define USUB(a, b) ((int16_t)((uint16_t)(a) - (uint16_t)(b)))
|
605 | 7bfe5777 | balrog | |
606 | 7bfe5777 | balrog | static int ohci_service_iso_td(OHCIState *ohci, struct ohci_ed *ed, |
607 | 7bfe5777 | balrog | int completion)
|
608 | 7bfe5777 | balrog | { |
609 | 7bfe5777 | balrog | int dir;
|
610 | 7bfe5777 | balrog | size_t len = 0;
|
611 | d4c4e6fd | Blue Swirl | #ifdef DEBUG_ISOCH
|
612 | 7ccfb2eb | blueswir1 | const char *str = NULL; |
613 | d4c4e6fd | Blue Swirl | #endif
|
614 | 7bfe5777 | balrog | int pid;
|
615 | 7bfe5777 | balrog | int ret;
|
616 | 7bfe5777 | balrog | int i;
|
617 | 7bfe5777 | balrog | USBDevice *dev; |
618 | 7bfe5777 | balrog | struct ohci_iso_td iso_td;
|
619 | 7bfe5777 | balrog | uint32_t addr; |
620 | 7bfe5777 | balrog | uint16_t starting_frame; |
621 | 7bfe5777 | balrog | int16_t relative_frame_number; |
622 | 7bfe5777 | balrog | int frame_count;
|
623 | 7bfe5777 | balrog | uint32_t start_offset, next_offset, end_offset = 0;
|
624 | 7bfe5777 | balrog | uint32_t start_addr, end_addr; |
625 | 7bfe5777 | balrog | |
626 | 7bfe5777 | balrog | addr = ed->head & OHCI_DPTR_MASK; |
627 | 7bfe5777 | balrog | |
628 | ac611340 | aurel32 | if (!ohci_read_iso_td(ohci, addr, &iso_td)) {
|
629 | 7bfe5777 | balrog | printf("usb-ohci: ISO_TD read error at %x\n", addr);
|
630 | 7bfe5777 | balrog | return 0; |
631 | 7bfe5777 | balrog | } |
632 | 7bfe5777 | balrog | |
633 | 7bfe5777 | balrog | starting_frame = OHCI_BM(iso_td.flags, TD_SF); |
634 | 7bfe5777 | balrog | frame_count = OHCI_BM(iso_td.flags, TD_FC); |
635 | 7bfe5777 | balrog | relative_frame_number = USUB(ohci->frame_number, starting_frame); |
636 | 7bfe5777 | balrog | |
637 | 7bfe5777 | balrog | #ifdef DEBUG_ISOCH
|
638 | 7bfe5777 | balrog | printf("--- ISO_TD ED head 0x%.8x tailp 0x%.8x\n"
|
639 | 7bfe5777 | balrog | "0x%.8x 0x%.8x 0x%.8x 0x%.8x\n"
|
640 | 7bfe5777 | balrog | "0x%.8x 0x%.8x 0x%.8x 0x%.8x\n"
|
641 | 7bfe5777 | balrog | "0x%.8x 0x%.8x 0x%.8x 0x%.8x\n"
|
642 | 7bfe5777 | balrog | "frame_number 0x%.8x starting_frame 0x%.8x\n"
|
643 | 7bfe5777 | balrog | "frame_count 0x%.8x relative %d\n"
|
644 | 7bfe5777 | balrog | "di 0x%.8x cc 0x%.8x\n",
|
645 | 7bfe5777 | balrog | ed->head & OHCI_DPTR_MASK, ed->tail & OHCI_DPTR_MASK, |
646 | 7bfe5777 | balrog | iso_td.flags, iso_td.bp, iso_td.next, iso_td.be, |
647 | 7bfe5777 | balrog | iso_td.offset[0], iso_td.offset[1], iso_td.offset[2], iso_td.offset[3], |
648 | 7bfe5777 | balrog | iso_td.offset[4], iso_td.offset[5], iso_td.offset[6], iso_td.offset[7], |
649 | 7bfe5777 | balrog | ohci->frame_number, starting_frame, |
650 | 7bfe5777 | balrog | frame_count, relative_frame_number, |
651 | 7bfe5777 | balrog | OHCI_BM(iso_td.flags, TD_DI), OHCI_BM(iso_td.flags, TD_CC)); |
652 | 7bfe5777 | balrog | #endif
|
653 | 7bfe5777 | balrog | |
654 | 7bfe5777 | balrog | if (relative_frame_number < 0) { |
655 | d0f2c4c6 | malc | DPRINTF("usb-ohci: ISO_TD R=%d < 0\n", relative_frame_number);
|
656 | 7bfe5777 | balrog | return 1; |
657 | 7bfe5777 | balrog | } else if (relative_frame_number > frame_count) { |
658 | 7bfe5777 | balrog | /* ISO TD expired - retire the TD to the Done Queue and continue with
|
659 | 7bfe5777 | balrog | the next ISO TD of the same ED */
|
660 | d0f2c4c6 | malc | DPRINTF("usb-ohci: ISO_TD R=%d > FC=%d\n", relative_frame_number,
|
661 | 7bfe5777 | balrog | frame_count); |
662 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.flags, TD_CC, OHCI_CC_DATAOVERRUN); |
663 | 7bfe5777 | balrog | ed->head &= ~OHCI_DPTR_MASK; |
664 | 7bfe5777 | balrog | ed->head |= (iso_td.next & OHCI_DPTR_MASK); |
665 | 7bfe5777 | balrog | iso_td.next = ohci->done; |
666 | 7bfe5777 | balrog | ohci->done = addr; |
667 | 7bfe5777 | balrog | i = OHCI_BM(iso_td.flags, TD_DI); |
668 | 7bfe5777 | balrog | if (i < ohci->done_count)
|
669 | 7bfe5777 | balrog | ohci->done_count = i; |
670 | ac611340 | aurel32 | ohci_put_iso_td(ohci, addr, &iso_td); |
671 | 7bfe5777 | balrog | return 0; |
672 | 7bfe5777 | balrog | } |
673 | 7bfe5777 | balrog | |
674 | 7bfe5777 | balrog | dir = OHCI_BM(ed->flags, ED_D); |
675 | 7bfe5777 | balrog | switch (dir) {
|
676 | 7bfe5777 | balrog | case OHCI_TD_DIR_IN:
|
677 | d4c4e6fd | Blue Swirl | #ifdef DEBUG_ISOCH
|
678 | 7bfe5777 | balrog | str = "in";
|
679 | d4c4e6fd | Blue Swirl | #endif
|
680 | 7bfe5777 | balrog | pid = USB_TOKEN_IN; |
681 | 7bfe5777 | balrog | break;
|
682 | 7bfe5777 | balrog | case OHCI_TD_DIR_OUT:
|
683 | d4c4e6fd | Blue Swirl | #ifdef DEBUG_ISOCH
|
684 | 7bfe5777 | balrog | str = "out";
|
685 | d4c4e6fd | Blue Swirl | #endif
|
686 | 7bfe5777 | balrog | pid = USB_TOKEN_OUT; |
687 | 7bfe5777 | balrog | break;
|
688 | 7bfe5777 | balrog | case OHCI_TD_DIR_SETUP:
|
689 | d4c4e6fd | Blue Swirl | #ifdef DEBUG_ISOCH
|
690 | 7bfe5777 | balrog | str = "setup";
|
691 | d4c4e6fd | Blue Swirl | #endif
|
692 | 7bfe5777 | balrog | pid = USB_TOKEN_SETUP; |
693 | 7bfe5777 | balrog | break;
|
694 | 7bfe5777 | balrog | default:
|
695 | 7bfe5777 | balrog | printf("usb-ohci: Bad direction %d\n", dir);
|
696 | 7bfe5777 | balrog | return 1; |
697 | 7bfe5777 | balrog | } |
698 | 7bfe5777 | balrog | |
699 | 7bfe5777 | balrog | if (!iso_td.bp || !iso_td.be) {
|
700 | 7bfe5777 | balrog | printf("usb-ohci: ISO_TD bp 0x%.8x be 0x%.8x\n", iso_td.bp, iso_td.be);
|
701 | 7bfe5777 | balrog | return 1; |
702 | 7bfe5777 | balrog | } |
703 | 7bfe5777 | balrog | |
704 | 7bfe5777 | balrog | start_offset = iso_td.offset[relative_frame_number]; |
705 | 7bfe5777 | balrog | next_offset = iso_td.offset[relative_frame_number + 1];
|
706 | 7bfe5777 | balrog | |
707 | 7bfe5777 | balrog | if (!(OHCI_BM(start_offset, TD_PSW_CC) & 0xe) || |
708 | 7bfe5777 | balrog | ((relative_frame_number < frame_count) && |
709 | 7bfe5777 | balrog | !(OHCI_BM(next_offset, TD_PSW_CC) & 0xe))) {
|
710 | 7bfe5777 | balrog | printf("usb-ohci: ISO_TD cc != not accessed 0x%.8x 0x%.8x\n",
|
711 | 7bfe5777 | balrog | start_offset, next_offset); |
712 | 7bfe5777 | balrog | return 1; |
713 | 7bfe5777 | balrog | } |
714 | 7bfe5777 | balrog | |
715 | 7bfe5777 | balrog | if ((relative_frame_number < frame_count) && (start_offset > next_offset)) {
|
716 | 7bfe5777 | balrog | printf("usb-ohci: ISO_TD start_offset=0x%.8x > next_offset=0x%.8x\n",
|
717 | 7bfe5777 | balrog | start_offset, next_offset); |
718 | 7bfe5777 | balrog | return 1; |
719 | 7bfe5777 | balrog | } |
720 | 7bfe5777 | balrog | |
721 | 7bfe5777 | balrog | if ((start_offset & 0x1000) == 0) { |
722 | 7bfe5777 | balrog | start_addr = (iso_td.bp & OHCI_PAGE_MASK) | |
723 | 7bfe5777 | balrog | (start_offset & OHCI_OFFSET_MASK); |
724 | 7bfe5777 | balrog | } else {
|
725 | 7bfe5777 | balrog | start_addr = (iso_td.be & OHCI_PAGE_MASK) | |
726 | 7bfe5777 | balrog | (start_offset & OHCI_OFFSET_MASK); |
727 | 7bfe5777 | balrog | } |
728 | 7bfe5777 | balrog | |
729 | 7bfe5777 | balrog | if (relative_frame_number < frame_count) {
|
730 | 7bfe5777 | balrog | end_offset = next_offset - 1;
|
731 | 7bfe5777 | balrog | if ((end_offset & 0x1000) == 0) { |
732 | 7bfe5777 | balrog | end_addr = (iso_td.bp & OHCI_PAGE_MASK) | |
733 | 7bfe5777 | balrog | (end_offset & OHCI_OFFSET_MASK); |
734 | 7bfe5777 | balrog | } else {
|
735 | 7bfe5777 | balrog | end_addr = (iso_td.be & OHCI_PAGE_MASK) | |
736 | 7bfe5777 | balrog | (end_offset & OHCI_OFFSET_MASK); |
737 | 7bfe5777 | balrog | } |
738 | 7bfe5777 | balrog | } else {
|
739 | 7bfe5777 | balrog | /* Last packet in the ISO TD */
|
740 | 7bfe5777 | balrog | end_addr = iso_td.be; |
741 | 7bfe5777 | balrog | } |
742 | 7bfe5777 | balrog | |
743 | 7bfe5777 | balrog | if ((start_addr & OHCI_PAGE_MASK) != (end_addr & OHCI_PAGE_MASK)) {
|
744 | 7bfe5777 | balrog | len = (end_addr & OHCI_OFFSET_MASK) + 0x1001
|
745 | 7bfe5777 | balrog | - (start_addr & OHCI_OFFSET_MASK); |
746 | 7bfe5777 | balrog | } else {
|
747 | 7bfe5777 | balrog | len = end_addr - start_addr + 1;
|
748 | 7bfe5777 | balrog | } |
749 | 7bfe5777 | balrog | |
750 | 7bfe5777 | balrog | if (len && dir != OHCI_TD_DIR_IN) {
|
751 | ac611340 | aurel32 | ohci_copy_iso_td(ohci, start_addr, end_addr, ohci->usb_buf, len, 0);
|
752 | 7bfe5777 | balrog | } |
753 | 7bfe5777 | balrog | |
754 | 7bfe5777 | balrog | if (completion) {
|
755 | 7bfe5777 | balrog | ret = ohci->usb_packet.len; |
756 | 7bfe5777 | balrog | } else {
|
757 | 7bfe5777 | balrog | ret = USB_RET_NODEV; |
758 | 7bfe5777 | balrog | for (i = 0; i < ohci->num_ports; i++) { |
759 | 7bfe5777 | balrog | dev = ohci->rhport[i].port.dev; |
760 | 7bfe5777 | balrog | if ((ohci->rhport[i].ctrl & OHCI_PORT_PES) == 0) |
761 | 7bfe5777 | balrog | continue;
|
762 | 7bfe5777 | balrog | ohci->usb_packet.pid = pid; |
763 | 7bfe5777 | balrog | ohci->usb_packet.devaddr = OHCI_BM(ed->flags, ED_FA); |
764 | 7bfe5777 | balrog | ohci->usb_packet.devep = OHCI_BM(ed->flags, ED_EN); |
765 | 7bfe5777 | balrog | ohci->usb_packet.data = ohci->usb_buf; |
766 | 7bfe5777 | balrog | ohci->usb_packet.len = len; |
767 | 53aa8c0e | Gerd Hoffmann | ret = usb_handle_packet(dev, &ohci->usb_packet); |
768 | 7bfe5777 | balrog | if (ret != USB_RET_NODEV)
|
769 | 7bfe5777 | balrog | break;
|
770 | 7bfe5777 | balrog | } |
771 | 7bfe5777 | balrog | |
772 | 7bfe5777 | balrog | if (ret == USB_RET_ASYNC) {
|
773 | 7bfe5777 | balrog | return 1; |
774 | 7bfe5777 | balrog | } |
775 | 7bfe5777 | balrog | } |
776 | 7bfe5777 | balrog | |
777 | 7bfe5777 | balrog | #ifdef DEBUG_ISOCH
|
778 | 7bfe5777 | balrog | printf("so 0x%.8x eo 0x%.8x\nsa 0x%.8x ea 0x%.8x\ndir %s len %zu ret %d\n",
|
779 | 7bfe5777 | balrog | start_offset, end_offset, start_addr, end_addr, str, len, ret); |
780 | 7bfe5777 | balrog | #endif
|
781 | 7bfe5777 | balrog | |
782 | 7bfe5777 | balrog | /* Writeback */
|
783 | 7bfe5777 | balrog | if (dir == OHCI_TD_DIR_IN && ret >= 0 && ret <= len) { |
784 | 7bfe5777 | balrog | /* IN transfer succeeded */
|
785 | ac611340 | aurel32 | ohci_copy_iso_td(ohci, start_addr, end_addr, ohci->usb_buf, ret, 1);
|
786 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
787 | 7bfe5777 | balrog | OHCI_CC_NOERROR); |
788 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE, ret); |
789 | 7bfe5777 | balrog | } else if (dir == OHCI_TD_DIR_OUT && ret == len) { |
790 | 7bfe5777 | balrog | /* OUT transfer succeeded */
|
791 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
792 | 7bfe5777 | balrog | OHCI_CC_NOERROR); |
793 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE, 0);
|
794 | 7bfe5777 | balrog | } else {
|
795 | 87283515 | balrog | if (ret > (ssize_t) len) {
|
796 | 7bfe5777 | balrog | printf("usb-ohci: DataOverrun %d > %zu\n", ret, len);
|
797 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
798 | 7bfe5777 | balrog | OHCI_CC_DATAOVERRUN); |
799 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE, |
800 | 7bfe5777 | balrog | len); |
801 | 7bfe5777 | balrog | } else if (ret >= 0) { |
802 | 7bfe5777 | balrog | printf("usb-ohci: DataUnderrun %d\n", ret);
|
803 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
804 | 7bfe5777 | balrog | OHCI_CC_DATAUNDERRUN); |
805 | 7bfe5777 | balrog | } else {
|
806 | 7bfe5777 | balrog | switch (ret) {
|
807 | 7bfe5777 | balrog | case USB_RET_NODEV:
|
808 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
809 | 7bfe5777 | balrog | OHCI_CC_DEVICENOTRESPONDING); |
810 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE, |
811 | 7bfe5777 | balrog | 0);
|
812 | 7bfe5777 | balrog | break;
|
813 | 7bfe5777 | balrog | case USB_RET_NAK:
|
814 | 7bfe5777 | balrog | case USB_RET_STALL:
|
815 | 7bfe5777 | balrog | printf("usb-ohci: got NAK/STALL %d\n", ret);
|
816 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
817 | 7bfe5777 | balrog | OHCI_CC_STALL); |
818 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE, |
819 | 7bfe5777 | balrog | 0);
|
820 | 7bfe5777 | balrog | break;
|
821 | 7bfe5777 | balrog | default:
|
822 | 7bfe5777 | balrog | printf("usb-ohci: Bad device response %d\n", ret);
|
823 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
824 | 7bfe5777 | balrog | OHCI_CC_UNDEXPETEDPID); |
825 | 7bfe5777 | balrog | break;
|
826 | 7bfe5777 | balrog | } |
827 | 7bfe5777 | balrog | } |
828 | 7bfe5777 | balrog | } |
829 | 7bfe5777 | balrog | |
830 | 7bfe5777 | balrog | if (relative_frame_number == frame_count) {
|
831 | 7bfe5777 | balrog | /* Last data packet of ISO TD - retire the TD to the Done Queue */
|
832 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.flags, TD_CC, OHCI_CC_NOERROR); |
833 | 7bfe5777 | balrog | ed->head &= ~OHCI_DPTR_MASK; |
834 | 7bfe5777 | balrog | ed->head |= (iso_td.next & OHCI_DPTR_MASK); |
835 | 7bfe5777 | balrog | iso_td.next = ohci->done; |
836 | 7bfe5777 | balrog | ohci->done = addr; |
837 | 7bfe5777 | balrog | i = OHCI_BM(iso_td.flags, TD_DI); |
838 | 7bfe5777 | balrog | if (i < ohci->done_count)
|
839 | 7bfe5777 | balrog | ohci->done_count = i; |
840 | 7bfe5777 | balrog | } |
841 | ac611340 | aurel32 | ohci_put_iso_td(ohci, addr, &iso_td); |
842 | 7bfe5777 | balrog | return 1; |
843 | 4d611c9a | pbrook | } |
844 | 4d611c9a | pbrook | |
845 | 0d92ed30 | pbrook | /* Service a transport descriptor.
|
846 | 0d92ed30 | pbrook | Returns nonzero to terminate processing of this endpoint. */
|
847 | 0d92ed30 | pbrook | |
848 | 0d92ed30 | pbrook | static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed) |
849 | 0d92ed30 | pbrook | { |
850 | 0d92ed30 | pbrook | int dir;
|
851 | 0d92ed30 | pbrook | size_t len = 0;
|
852 | d4c4e6fd | Blue Swirl | #ifdef DEBUG_PACKET
|
853 | 7ccfb2eb | blueswir1 | const char *str = NULL; |
854 | d4c4e6fd | Blue Swirl | #endif
|
855 | 0d92ed30 | pbrook | int pid;
|
856 | 0d92ed30 | pbrook | int ret;
|
857 | 0d92ed30 | pbrook | int i;
|
858 | 0d92ed30 | pbrook | USBDevice *dev; |
859 | 0d92ed30 | pbrook | struct ohci_td td;
|
860 | 0d92ed30 | pbrook | uint32_t addr; |
861 | 0d92ed30 | pbrook | int flag_r;
|
862 | 4d611c9a | pbrook | int completion;
|
863 | 0d92ed30 | pbrook | |
864 | 0d92ed30 | pbrook | addr = ed->head & OHCI_DPTR_MASK; |
865 | 4d611c9a | pbrook | /* See if this TD has already been submitted to the device. */
|
866 | 4d611c9a | pbrook | completion = (addr == ohci->async_td); |
867 | 4d611c9a | pbrook | if (completion && !ohci->async_complete) {
|
868 | 4d611c9a | pbrook | #ifdef DEBUG_PACKET
|
869 | d0f2c4c6 | malc | DPRINTF("Skipping async TD\n");
|
870 | 4d611c9a | pbrook | #endif
|
871 | 4d611c9a | pbrook | return 1; |
872 | 4d611c9a | pbrook | } |
873 | ac611340 | aurel32 | if (!ohci_read_td(ohci, addr, &td)) {
|
874 | 0d92ed30 | pbrook | fprintf(stderr, "usb-ohci: TD read error at %x\n", addr);
|
875 | 0d92ed30 | pbrook | return 0; |
876 | 0d92ed30 | pbrook | } |
877 | 0d92ed30 | pbrook | |
878 | 0d92ed30 | pbrook | dir = OHCI_BM(ed->flags, ED_D); |
879 | 0d92ed30 | pbrook | switch (dir) {
|
880 | 0d92ed30 | pbrook | case OHCI_TD_DIR_OUT:
|
881 | 0d92ed30 | pbrook | case OHCI_TD_DIR_IN:
|
882 | 0d92ed30 | pbrook | /* Same value. */
|
883 | 0d92ed30 | pbrook | break;
|
884 | 0d92ed30 | pbrook | default:
|
885 | 0d92ed30 | pbrook | dir = OHCI_BM(td.flags, TD_DP); |
886 | 0d92ed30 | pbrook | break;
|
887 | 0d92ed30 | pbrook | } |
888 | 0d92ed30 | pbrook | |
889 | 0d92ed30 | pbrook | switch (dir) {
|
890 | 0d92ed30 | pbrook | case OHCI_TD_DIR_IN:
|
891 | d4c4e6fd | Blue Swirl | #ifdef DEBUG_PACKET
|
892 | 0d92ed30 | pbrook | str = "in";
|
893 | d4c4e6fd | Blue Swirl | #endif
|
894 | 0d92ed30 | pbrook | pid = USB_TOKEN_IN; |
895 | 0d92ed30 | pbrook | break;
|
896 | 0d92ed30 | pbrook | case OHCI_TD_DIR_OUT:
|
897 | d4c4e6fd | Blue Swirl | #ifdef DEBUG_PACKET
|
898 | 0d92ed30 | pbrook | str = "out";
|
899 | d4c4e6fd | Blue Swirl | #endif
|
900 | 0d92ed30 | pbrook | pid = USB_TOKEN_OUT; |
901 | 0d92ed30 | pbrook | break;
|
902 | 0d92ed30 | pbrook | case OHCI_TD_DIR_SETUP:
|
903 | d4c4e6fd | Blue Swirl | #ifdef DEBUG_PACKET
|
904 | 0d92ed30 | pbrook | str = "setup";
|
905 | d4c4e6fd | Blue Swirl | #endif
|
906 | 0d92ed30 | pbrook | pid = USB_TOKEN_SETUP; |
907 | 0d92ed30 | pbrook | break;
|
908 | 0d92ed30 | pbrook | default:
|
909 | 0d92ed30 | pbrook | fprintf(stderr, "usb-ohci: Bad direction\n");
|
910 | 0d92ed30 | pbrook | return 1; |
911 | 0d92ed30 | pbrook | } |
912 | 0d92ed30 | pbrook | if (td.cbp && td.be) {
|
913 | e6f3e5e0 | pbrook | if ((td.cbp & 0xfffff000) != (td.be & 0xfffff000)) { |
914 | e6f3e5e0 | pbrook | len = (td.be & 0xfff) + 0x1001 - (td.cbp & 0xfff); |
915 | e6f3e5e0 | pbrook | } else {
|
916 | e6f3e5e0 | pbrook | len = (td.be - td.cbp) + 1;
|
917 | e6f3e5e0 | pbrook | } |
918 | e6f3e5e0 | pbrook | |
919 | 4d611c9a | pbrook | if (len && dir != OHCI_TD_DIR_IN && !completion) {
|
920 | ac611340 | aurel32 | ohci_copy_td(ohci, &td, ohci->usb_buf, len, 0);
|
921 | 0d92ed30 | pbrook | } |
922 | 0d92ed30 | pbrook | } |
923 | 0d92ed30 | pbrook | |
924 | 0d92ed30 | pbrook | flag_r = (td.flags & OHCI_TD_R) != 0;
|
925 | 0d92ed30 | pbrook | #ifdef DEBUG_PACKET
|
926 | d0f2c4c6 | malc | DPRINTF(" TD @ 0x%.8x %" PRId64 " bytes %s r=%d cbp=0x%.8x be=0x%.8x\n", |
927 | f3571b1a | Max Reitz | addr, (int64_t)len, str, flag_r, td.cbp, td.be); |
928 | 0d92ed30 | pbrook | |
929 | 87283515 | balrog | if (len > 0 && dir != OHCI_TD_DIR_IN) { |
930 | d0f2c4c6 | malc | DPRINTF(" data:");
|
931 | 0d92ed30 | pbrook | for (i = 0; i < len; i++) |
932 | 4d611c9a | pbrook | printf(" %.2x", ohci->usb_buf[i]);
|
933 | d0f2c4c6 | malc | DPRINTF("\n");
|
934 | 0d92ed30 | pbrook | } |
935 | 0d92ed30 | pbrook | #endif
|
936 | 4d611c9a | pbrook | if (completion) {
|
937 | 4d611c9a | pbrook | ret = ohci->usb_packet.len; |
938 | 4d611c9a | pbrook | ohci->async_td = 0;
|
939 | 4d611c9a | pbrook | ohci->async_complete = 0;
|
940 | 4d611c9a | pbrook | } else {
|
941 | 4d611c9a | pbrook | ret = USB_RET_NODEV; |
942 | 4d611c9a | pbrook | for (i = 0; i < ohci->num_ports; i++) { |
943 | 4d611c9a | pbrook | dev = ohci->rhport[i].port.dev; |
944 | 4d611c9a | pbrook | if ((ohci->rhport[i].ctrl & OHCI_PORT_PES) == 0) |
945 | 4d611c9a | pbrook | continue;
|
946 | 4d611c9a | pbrook | |
947 | 4d611c9a | pbrook | if (ohci->async_td) {
|
948 | 4d611c9a | pbrook | /* ??? The hardware should allow one active packet per
|
949 | 4d611c9a | pbrook | endpoint. We only allow one active packet per controller.
|
950 | 4d611c9a | pbrook | This should be sufficient as long as devices respond in a
|
951 | 4d611c9a | pbrook | timely manner.
|
952 | 4d611c9a | pbrook | */
|
953 | 0d92ed30 | pbrook | #ifdef DEBUG_PACKET
|
954 | d0f2c4c6 | malc | DPRINTF("Too many pending packets\n");
|
955 | 0d92ed30 | pbrook | #endif
|
956 | 4d611c9a | pbrook | return 1; |
957 | 4d611c9a | pbrook | } |
958 | 4d611c9a | pbrook | ohci->usb_packet.pid = pid; |
959 | 4d611c9a | pbrook | ohci->usb_packet.devaddr = OHCI_BM(ed->flags, ED_FA); |
960 | 4d611c9a | pbrook | ohci->usb_packet.devep = OHCI_BM(ed->flags, ED_EN); |
961 | 4d611c9a | pbrook | ohci->usb_packet.data = ohci->usb_buf; |
962 | 4d611c9a | pbrook | ohci->usb_packet.len = len; |
963 | 53aa8c0e | Gerd Hoffmann | ret = usb_handle_packet(dev, &ohci->usb_packet); |
964 | 4d611c9a | pbrook | if (ret != USB_RET_NODEV)
|
965 | 4d611c9a | pbrook | break;
|
966 | 4d611c9a | pbrook | } |
967 | 4d611c9a | pbrook | #ifdef DEBUG_PACKET
|
968 | d0f2c4c6 | malc | DPRINTF("ret=%d\n", ret);
|
969 | 4d611c9a | pbrook | #endif
|
970 | 4d611c9a | pbrook | if (ret == USB_RET_ASYNC) {
|
971 | 4d611c9a | pbrook | ohci->async_td = addr; |
972 | 4d611c9a | pbrook | return 1; |
973 | 4d611c9a | pbrook | } |
974 | 4d611c9a | pbrook | } |
975 | 0d92ed30 | pbrook | if (ret >= 0) { |
976 | 0d92ed30 | pbrook | if (dir == OHCI_TD_DIR_IN) {
|
977 | ac611340 | aurel32 | ohci_copy_td(ohci, &td, ohci->usb_buf, ret, 1);
|
978 | 0d92ed30 | pbrook | #ifdef DEBUG_PACKET
|
979 | d0f2c4c6 | malc | DPRINTF(" data:");
|
980 | 0d92ed30 | pbrook | for (i = 0; i < ret; i++) |
981 | 4d611c9a | pbrook | printf(" %.2x", ohci->usb_buf[i]);
|
982 | d0f2c4c6 | malc | DPRINTF("\n");
|
983 | 0d92ed30 | pbrook | #endif
|
984 | 0d92ed30 | pbrook | } else {
|
985 | 0d92ed30 | pbrook | ret = len; |
986 | 0d92ed30 | pbrook | } |
987 | 0d92ed30 | pbrook | } |
988 | 0d92ed30 | pbrook | |
989 | 0d92ed30 | pbrook | /* Writeback */
|
990 | 0d92ed30 | pbrook | if (ret == len || (dir == OHCI_TD_DIR_IN && ret >= 0 && flag_r)) { |
991 | 0d92ed30 | pbrook | /* Transmission succeeded. */
|
992 | 0d92ed30 | pbrook | if (ret == len) {
|
993 | 0d92ed30 | pbrook | td.cbp = 0;
|
994 | 0d92ed30 | pbrook | } else {
|
995 | 0d92ed30 | pbrook | td.cbp += ret; |
996 | 0d92ed30 | pbrook | if ((td.cbp & 0xfff) + ret > 0xfff) { |
997 | 0d92ed30 | pbrook | td.cbp &= 0xfff;
|
998 | 0d92ed30 | pbrook | td.cbp |= td.be & ~0xfff;
|
999 | 0d92ed30 | pbrook | } |
1000 | 0d92ed30 | pbrook | } |
1001 | 0d92ed30 | pbrook | td.flags |= OHCI_TD_T1; |
1002 | 0d92ed30 | pbrook | td.flags ^= OHCI_TD_T0; |
1003 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_NOERROR); |
1004 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_EC, 0);
|
1005 | 0d92ed30 | pbrook | |
1006 | 0d92ed30 | pbrook | ed->head &= ~OHCI_ED_C; |
1007 | 0d92ed30 | pbrook | if (td.flags & OHCI_TD_T0)
|
1008 | 0d92ed30 | pbrook | ed->head |= OHCI_ED_C; |
1009 | 0d92ed30 | pbrook | } else {
|
1010 | 0d92ed30 | pbrook | if (ret >= 0) { |
1011 | d0f2c4c6 | malc | DPRINTF("usb-ohci: Underrun\n");
|
1012 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_DATAUNDERRUN); |
1013 | 0d92ed30 | pbrook | } else {
|
1014 | 0d92ed30 | pbrook | switch (ret) {
|
1015 | 0d92ed30 | pbrook | case USB_RET_NODEV:
|
1016 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_DEVICENOTRESPONDING); |
1017 | 0d92ed30 | pbrook | case USB_RET_NAK:
|
1018 | d0f2c4c6 | malc | DPRINTF("usb-ohci: got NAK\n");
|
1019 | 0d92ed30 | pbrook | return 1; |
1020 | 0d92ed30 | pbrook | case USB_RET_STALL:
|
1021 | d0f2c4c6 | malc | DPRINTF("usb-ohci: got STALL\n");
|
1022 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_STALL); |
1023 | 0d92ed30 | pbrook | break;
|
1024 | 0d92ed30 | pbrook | case USB_RET_BABBLE:
|
1025 | d0f2c4c6 | malc | DPRINTF("usb-ohci: got BABBLE\n");
|
1026 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_DATAOVERRUN); |
1027 | 0d92ed30 | pbrook | break;
|
1028 | 0d92ed30 | pbrook | default:
|
1029 | 0d92ed30 | pbrook | fprintf(stderr, "usb-ohci: Bad device response %d\n", ret);
|
1030 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_UNDEXPETEDPID); |
1031 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_EC, 3);
|
1032 | 0d92ed30 | pbrook | break;
|
1033 | 0d92ed30 | pbrook | } |
1034 | 0d92ed30 | pbrook | } |
1035 | 0d92ed30 | pbrook | ed->head |= OHCI_ED_H; |
1036 | 0d92ed30 | pbrook | } |
1037 | 0d92ed30 | pbrook | |
1038 | 0d92ed30 | pbrook | /* Retire this TD */
|
1039 | 0d92ed30 | pbrook | ed->head &= ~OHCI_DPTR_MASK; |
1040 | 0d92ed30 | pbrook | ed->head |= td.next & OHCI_DPTR_MASK; |
1041 | 0d92ed30 | pbrook | td.next = ohci->done; |
1042 | 0d92ed30 | pbrook | ohci->done = addr; |
1043 | 0d92ed30 | pbrook | i = OHCI_BM(td.flags, TD_DI); |
1044 | 0d92ed30 | pbrook | if (i < ohci->done_count)
|
1045 | 0d92ed30 | pbrook | ohci->done_count = i; |
1046 | ac611340 | aurel32 | ohci_put_td(ohci, addr, &td); |
1047 | 0d92ed30 | pbrook | return OHCI_BM(td.flags, TD_CC) != OHCI_CC_NOERROR;
|
1048 | 0d92ed30 | pbrook | } |
1049 | 0d92ed30 | pbrook | |
1050 | 0d92ed30 | pbrook | /* Service an endpoint list. Returns nonzero if active TD were found. */
|
1051 | 7bfe5777 | balrog | static int ohci_service_ed_list(OHCIState *ohci, uint32_t head, int completion) |
1052 | 0d92ed30 | pbrook | { |
1053 | 0d92ed30 | pbrook | struct ohci_ed ed;
|
1054 | 0d92ed30 | pbrook | uint32_t next_ed; |
1055 | 0d92ed30 | pbrook | uint32_t cur; |
1056 | 0d92ed30 | pbrook | int active;
|
1057 | 0d92ed30 | pbrook | |
1058 | 0d92ed30 | pbrook | active = 0;
|
1059 | 0d92ed30 | pbrook | |
1060 | 0d92ed30 | pbrook | if (head == 0) |
1061 | 0d92ed30 | pbrook | return 0; |
1062 | 0d92ed30 | pbrook | |
1063 | 0d92ed30 | pbrook | for (cur = head; cur; cur = next_ed) {
|
1064 | ac611340 | aurel32 | if (!ohci_read_ed(ohci, cur, &ed)) {
|
1065 | 0d92ed30 | pbrook | fprintf(stderr, "usb-ohci: ED read error at %x\n", cur);
|
1066 | 0d92ed30 | pbrook | return 0; |
1067 | 0d92ed30 | pbrook | } |
1068 | 0d92ed30 | pbrook | |
1069 | 0d92ed30 | pbrook | next_ed = ed.next & OHCI_DPTR_MASK; |
1070 | 0d92ed30 | pbrook | |
1071 | 4d611c9a | pbrook | if ((ed.head & OHCI_ED_H) || (ed.flags & OHCI_ED_K)) {
|
1072 | 4d611c9a | pbrook | uint32_t addr; |
1073 | 4d611c9a | pbrook | /* Cancel pending packets for ED that have been paused. */
|
1074 | 4d611c9a | pbrook | addr = ed.head & OHCI_DPTR_MASK; |
1075 | 4d611c9a | pbrook | if (ohci->async_td && addr == ohci->async_td) {
|
1076 | 4d611c9a | pbrook | usb_cancel_packet(&ohci->usb_packet); |
1077 | 4d611c9a | pbrook | ohci->async_td = 0;
|
1078 | 4d611c9a | pbrook | } |
1079 | 0d92ed30 | pbrook | continue;
|
1080 | 4d611c9a | pbrook | } |
1081 | 0d92ed30 | pbrook | |
1082 | 0d92ed30 | pbrook | while ((ed.head & OHCI_DPTR_MASK) != ed.tail) {
|
1083 | 0d92ed30 | pbrook | #ifdef DEBUG_PACKET
|
1084 | d0f2c4c6 | malc | DPRINTF("ED @ 0x%.8x fa=%u en=%u d=%u s=%u k=%u f=%u mps=%u "
|
1085 | 0d92ed30 | pbrook | "h=%u c=%u\n head=0x%.8x tailp=0x%.8x next=0x%.8x\n", cur,
|
1086 | 0d92ed30 | pbrook | OHCI_BM(ed.flags, ED_FA), OHCI_BM(ed.flags, ED_EN), |
1087 | 0d92ed30 | pbrook | OHCI_BM(ed.flags, ED_D), (ed.flags & OHCI_ED_S)!= 0,
|
1088 | 0d92ed30 | pbrook | (ed.flags & OHCI_ED_K) != 0, (ed.flags & OHCI_ED_F) != 0, |
1089 | 0d92ed30 | pbrook | OHCI_BM(ed.flags, ED_MPS), (ed.head & OHCI_ED_H) != 0,
|
1090 | 0d92ed30 | pbrook | (ed.head & OHCI_ED_C) != 0, ed.head & OHCI_DPTR_MASK,
|
1091 | 0d92ed30 | pbrook | ed.tail & OHCI_DPTR_MASK, ed.next & OHCI_DPTR_MASK); |
1092 | 0d92ed30 | pbrook | #endif
|
1093 | 0d92ed30 | pbrook | active = 1;
|
1094 | 0d92ed30 | pbrook | |
1095 | 7bfe5777 | balrog | if ((ed.flags & OHCI_ED_F) == 0) { |
1096 | 7bfe5777 | balrog | if (ohci_service_td(ohci, &ed))
|
1097 | 7bfe5777 | balrog | break;
|
1098 | 7bfe5777 | balrog | } else {
|
1099 | 7bfe5777 | balrog | /* Handle isochronous endpoints */
|
1100 | 7bfe5777 | balrog | if (ohci_service_iso_td(ohci, &ed, completion))
|
1101 | 7bfe5777 | balrog | break;
|
1102 | 7bfe5777 | balrog | } |
1103 | 0d92ed30 | pbrook | } |
1104 | 0d92ed30 | pbrook | |
1105 | ac611340 | aurel32 | ohci_put_ed(ohci, cur, &ed); |
1106 | 0d92ed30 | pbrook | } |
1107 | 0d92ed30 | pbrook | |
1108 | 0d92ed30 | pbrook | return active;
|
1109 | 0d92ed30 | pbrook | } |
1110 | 0d92ed30 | pbrook | |
1111 | 0d92ed30 | pbrook | /* Generate a SOF event, and set a timer for EOF */
|
1112 | 0d92ed30 | pbrook | static void ohci_sof(OHCIState *ohci) |
1113 | 0d92ed30 | pbrook | { |
1114 | 74475455 | Paolo Bonzini | ohci->sof_time = qemu_get_clock_ns(vm_clock); |
1115 | 0d92ed30 | pbrook | qemu_mod_timer(ohci->eof_timer, ohci->sof_time + usb_frame_time); |
1116 | 0d92ed30 | pbrook | ohci_set_interrupt(ohci, OHCI_INTR_SF); |
1117 | 0d92ed30 | pbrook | } |
1118 | 0d92ed30 | pbrook | |
1119 | 4d611c9a | pbrook | /* Process Control and Bulk lists. */
|
1120 | 7bfe5777 | balrog | static void ohci_process_lists(OHCIState *ohci, int completion) |
1121 | 4d611c9a | pbrook | { |
1122 | 4d611c9a | pbrook | if ((ohci->ctl & OHCI_CTL_CLE) && (ohci->status & OHCI_STATUS_CLF)) {
|
1123 | 6ad6135d | Blue Swirl | if (ohci->ctrl_cur && ohci->ctrl_cur != ohci->ctrl_head) {
|
1124 | 6ad6135d | Blue Swirl | DPRINTF("usb-ohci: head %x, cur %x\n",
|
1125 | 6ad6135d | Blue Swirl | ohci->ctrl_head, ohci->ctrl_cur); |
1126 | 6ad6135d | Blue Swirl | } |
1127 | 7bfe5777 | balrog | if (!ohci_service_ed_list(ohci, ohci->ctrl_head, completion)) {
|
1128 | 4d611c9a | pbrook | ohci->ctrl_cur = 0;
|
1129 | 4d611c9a | pbrook | ohci->status &= ~OHCI_STATUS_CLF; |
1130 | 4d611c9a | pbrook | } |
1131 | 4d611c9a | pbrook | } |
1132 | 4d611c9a | pbrook | |
1133 | 4d611c9a | pbrook | if ((ohci->ctl & OHCI_CTL_BLE) && (ohci->status & OHCI_STATUS_BLF)) {
|
1134 | 7bfe5777 | balrog | if (!ohci_service_ed_list(ohci, ohci->bulk_head, completion)) {
|
1135 | 4d611c9a | pbrook | ohci->bulk_cur = 0;
|
1136 | 4d611c9a | pbrook | ohci->status &= ~OHCI_STATUS_BLF; |
1137 | 4d611c9a | pbrook | } |
1138 | 4d611c9a | pbrook | } |
1139 | 4d611c9a | pbrook | } |
1140 | 4d611c9a | pbrook | |
1141 | 0d92ed30 | pbrook | /* Do frame processing on frame boundary */
|
1142 | 0d92ed30 | pbrook | static void ohci_frame_boundary(void *opaque) |
1143 | 0d92ed30 | pbrook | { |
1144 | 0d92ed30 | pbrook | OHCIState *ohci = opaque; |
1145 | 0d92ed30 | pbrook | struct ohci_hcca hcca;
|
1146 | 0d92ed30 | pbrook | |
1147 | ac611340 | aurel32 | ohci_read_hcca(ohci, ohci->hcca, &hcca); |
1148 | 0d92ed30 | pbrook | |
1149 | 0d92ed30 | pbrook | /* Process all the lists at the end of the frame */
|
1150 | 0d92ed30 | pbrook | if (ohci->ctl & OHCI_CTL_PLE) {
|
1151 | 0d92ed30 | pbrook | int n;
|
1152 | 0d92ed30 | pbrook | |
1153 | 0d92ed30 | pbrook | n = ohci->frame_number & 0x1f;
|
1154 | 7bfe5777 | balrog | ohci_service_ed_list(ohci, le32_to_cpu(hcca.intr[n]), 0);
|
1155 | 0d92ed30 | pbrook | } |
1156 | 0d92ed30 | pbrook | |
1157 | 4d611c9a | pbrook | /* Cancel all pending packets if either of the lists has been disabled. */
|
1158 | 4d611c9a | pbrook | if (ohci->async_td &&
|
1159 | 4d611c9a | pbrook | ohci->old_ctl & (~ohci->ctl) & (OHCI_CTL_BLE | OHCI_CTL_CLE)) { |
1160 | 4d611c9a | pbrook | usb_cancel_packet(&ohci->usb_packet); |
1161 | 4d611c9a | pbrook | ohci->async_td = 0;
|
1162 | 0d92ed30 | pbrook | } |
1163 | 4d611c9a | pbrook | ohci->old_ctl = ohci->ctl; |
1164 | 7bfe5777 | balrog | ohci_process_lists(ohci, 0);
|
1165 | 0d92ed30 | pbrook | |
1166 | 0d92ed30 | pbrook | /* Frame boundary, so do EOF stuf here */
|
1167 | 0d92ed30 | pbrook | ohci->frt = ohci->fit; |
1168 | 0d92ed30 | pbrook | |
1169 | 1fa63e43 | Michael Buesch | /* Increment frame number and take care of endianness. */
|
1170 | 0d92ed30 | pbrook | ohci->frame_number = (ohci->frame_number + 1) & 0xffff; |
1171 | 1fa63e43 | Michael Buesch | hcca.frame = cpu_to_le16(ohci->frame_number); |
1172 | 0d92ed30 | pbrook | |
1173 | 0d92ed30 | pbrook | if (ohci->done_count == 0 && !(ohci->intr_status & OHCI_INTR_WD)) { |
1174 | 0d92ed30 | pbrook | if (!ohci->done)
|
1175 | 0d92ed30 | pbrook | abort(); |
1176 | 0d92ed30 | pbrook | if (ohci->intr & ohci->intr_status)
|
1177 | 0d92ed30 | pbrook | ohci->done |= 1;
|
1178 | 0d92ed30 | pbrook | hcca.done = cpu_to_le32(ohci->done); |
1179 | 0d92ed30 | pbrook | ohci->done = 0;
|
1180 | 0d92ed30 | pbrook | ohci->done_count = 7;
|
1181 | 0d92ed30 | pbrook | ohci_set_interrupt(ohci, OHCI_INTR_WD); |
1182 | 0d92ed30 | pbrook | } |
1183 | 0d92ed30 | pbrook | |
1184 | 0d92ed30 | pbrook | if (ohci->done_count != 7 && ohci->done_count != 0) |
1185 | 0d92ed30 | pbrook | ohci->done_count--; |
1186 | 0d92ed30 | pbrook | |
1187 | 0d92ed30 | pbrook | /* Do SOF stuff here */
|
1188 | 0d92ed30 | pbrook | ohci_sof(ohci); |
1189 | 0d92ed30 | pbrook | |
1190 | 0d92ed30 | pbrook | /* Writeback HCCA */
|
1191 | ac611340 | aurel32 | ohci_put_hcca(ohci, ohci->hcca, &hcca); |
1192 | 0d92ed30 | pbrook | } |
1193 | 0d92ed30 | pbrook | |
1194 | 0d92ed30 | pbrook | /* Start sending SOF tokens across the USB bus, lists are processed in
|
1195 | 0d92ed30 | pbrook | * next frame
|
1196 | 0d92ed30 | pbrook | */
|
1197 | 0d92ed30 | pbrook | static int ohci_bus_start(OHCIState *ohci) |
1198 | 0d92ed30 | pbrook | { |
1199 | 74475455 | Paolo Bonzini | ohci->eof_timer = qemu_new_timer_ns(vm_clock, |
1200 | 0d92ed30 | pbrook | ohci_frame_boundary, |
1201 | 0d92ed30 | pbrook | ohci); |
1202 | 0d92ed30 | pbrook | |
1203 | 0d92ed30 | pbrook | if (ohci->eof_timer == NULL) { |
1204 | 74475455 | Paolo Bonzini | fprintf(stderr, "usb-ohci: %s: qemu_new_timer_ns failed\n", ohci->name);
|
1205 | 0d92ed30 | pbrook | /* TODO: Signal unrecoverable error */
|
1206 | 0d92ed30 | pbrook | return 0; |
1207 | 0d92ed30 | pbrook | } |
1208 | 0d92ed30 | pbrook | |
1209 | d0f2c4c6 | malc | DPRINTF("usb-ohci: %s: USB Operational\n", ohci->name);
|
1210 | 0d92ed30 | pbrook | |
1211 | 0d92ed30 | pbrook | ohci_sof(ohci); |
1212 | 0d92ed30 | pbrook | |
1213 | 0d92ed30 | pbrook | return 1; |
1214 | 0d92ed30 | pbrook | } |
1215 | 0d92ed30 | pbrook | |
1216 | 0d92ed30 | pbrook | /* Stop sending SOF tokens on the bus */
|
1217 | 0d92ed30 | pbrook | static void ohci_bus_stop(OHCIState *ohci) |
1218 | 0d92ed30 | pbrook | { |
1219 | 0d92ed30 | pbrook | if (ohci->eof_timer)
|
1220 | 0d92ed30 | pbrook | qemu_del_timer(ohci->eof_timer); |
1221 | 73221b12 | ths | ohci->eof_timer = NULL;
|
1222 | 0d92ed30 | pbrook | } |
1223 | 0d92ed30 | pbrook | |
1224 | 0d92ed30 | pbrook | /* Sets a flag in a port status register but only set it if the port is
|
1225 | 0d92ed30 | pbrook | * connected, if not set ConnectStatusChange flag. If flag is enabled
|
1226 | 0d92ed30 | pbrook | * return 1.
|
1227 | 0d92ed30 | pbrook | */
|
1228 | 0d92ed30 | pbrook | static int ohci_port_set_if_connected(OHCIState *ohci, int i, uint32_t val) |
1229 | 0d92ed30 | pbrook | { |
1230 | 0d92ed30 | pbrook | int ret = 1; |
1231 | 0d92ed30 | pbrook | |
1232 | 0d92ed30 | pbrook | /* writing a 0 has no effect */
|
1233 | 0d92ed30 | pbrook | if (val == 0) |
1234 | 0d92ed30 | pbrook | return 0; |
1235 | 0d92ed30 | pbrook | |
1236 | 0d92ed30 | pbrook | /* If CurrentConnectStatus is cleared we set
|
1237 | 0d92ed30 | pbrook | * ConnectStatusChange
|
1238 | 0d92ed30 | pbrook | */
|
1239 | 0d92ed30 | pbrook | if (!(ohci->rhport[i].ctrl & OHCI_PORT_CCS)) {
|
1240 | 0d92ed30 | pbrook | ohci->rhport[i].ctrl |= OHCI_PORT_CSC; |
1241 | 0d92ed30 | pbrook | if (ohci->rhstatus & OHCI_RHS_DRWE) {
|
1242 | 0d92ed30 | pbrook | /* TODO: CSC is a wakeup event */
|
1243 | 0d92ed30 | pbrook | } |
1244 | 0d92ed30 | pbrook | return 0; |
1245 | 0d92ed30 | pbrook | } |
1246 | 0d92ed30 | pbrook | |
1247 | 0d92ed30 | pbrook | if (ohci->rhport[i].ctrl & val)
|
1248 | 0d92ed30 | pbrook | ret = 0;
|
1249 | 0d92ed30 | pbrook | |
1250 | 0d92ed30 | pbrook | /* set the bit */
|
1251 | 0d92ed30 | pbrook | ohci->rhport[i].ctrl |= val; |
1252 | 0d92ed30 | pbrook | |
1253 | 0d92ed30 | pbrook | return ret;
|
1254 | 0d92ed30 | pbrook | } |
1255 | 0d92ed30 | pbrook | |
1256 | 0d92ed30 | pbrook | /* Set the frame interval - frame interval toggle is manipulated by the hcd only */
|
1257 | 0d92ed30 | pbrook | static void ohci_set_frame_interval(OHCIState *ohci, uint16_t val) |
1258 | 0d92ed30 | pbrook | { |
1259 | 0d92ed30 | pbrook | val &= OHCI_FMI_FI; |
1260 | 0d92ed30 | pbrook | |
1261 | 0d92ed30 | pbrook | if (val != ohci->fi) {
|
1262 | d0f2c4c6 | malc | DPRINTF("usb-ohci: %s: FrameInterval = 0x%x (%u)\n",
|
1263 | e24ad6f1 | pbrook | ohci->name, ohci->fi, ohci->fi); |
1264 | 0d92ed30 | pbrook | } |
1265 | 0d92ed30 | pbrook | |
1266 | 0d92ed30 | pbrook | ohci->fi = val; |
1267 | 0d92ed30 | pbrook | } |
1268 | 0d92ed30 | pbrook | |
1269 | 0d92ed30 | pbrook | static void ohci_port_power(OHCIState *ohci, int i, int p) |
1270 | 0d92ed30 | pbrook | { |
1271 | 0d92ed30 | pbrook | if (p) {
|
1272 | 0d92ed30 | pbrook | ohci->rhport[i].ctrl |= OHCI_PORT_PPS; |
1273 | 0d92ed30 | pbrook | } else {
|
1274 | 0d92ed30 | pbrook | ohci->rhport[i].ctrl &= ~(OHCI_PORT_PPS| |
1275 | 0d92ed30 | pbrook | OHCI_PORT_CCS| |
1276 | 0d92ed30 | pbrook | OHCI_PORT_PSS| |
1277 | 0d92ed30 | pbrook | OHCI_PORT_PRS); |
1278 | 0d92ed30 | pbrook | } |
1279 | 0d92ed30 | pbrook | } |
1280 | 0d92ed30 | pbrook | |
1281 | 0d92ed30 | pbrook | /* Set HcControlRegister */
|
1282 | 0d92ed30 | pbrook | static void ohci_set_ctl(OHCIState *ohci, uint32_t val) |
1283 | 0d92ed30 | pbrook | { |
1284 | 0d92ed30 | pbrook | uint32_t old_state; |
1285 | 0d92ed30 | pbrook | uint32_t new_state; |
1286 | 0d92ed30 | pbrook | |
1287 | 0d92ed30 | pbrook | old_state = ohci->ctl & OHCI_CTL_HCFS; |
1288 | 0d92ed30 | pbrook | ohci->ctl = val; |
1289 | 0d92ed30 | pbrook | new_state = ohci->ctl & OHCI_CTL_HCFS; |
1290 | 0d92ed30 | pbrook | |
1291 | 0d92ed30 | pbrook | /* no state change */
|
1292 | 0d92ed30 | pbrook | if (old_state == new_state)
|
1293 | 0d92ed30 | pbrook | return;
|
1294 | 0d92ed30 | pbrook | |
1295 | 0d92ed30 | pbrook | switch (new_state) {
|
1296 | 0d92ed30 | pbrook | case OHCI_USB_OPERATIONAL:
|
1297 | 0d92ed30 | pbrook | ohci_bus_start(ohci); |
1298 | 0d92ed30 | pbrook | break;
|
1299 | 0d92ed30 | pbrook | case OHCI_USB_SUSPEND:
|
1300 | 0d92ed30 | pbrook | ohci_bus_stop(ohci); |
1301 | d0f2c4c6 | malc | DPRINTF("usb-ohci: %s: USB Suspended\n", ohci->name);
|
1302 | 0d92ed30 | pbrook | break;
|
1303 | 0d92ed30 | pbrook | case OHCI_USB_RESUME:
|
1304 | d0f2c4c6 | malc | DPRINTF("usb-ohci: %s: USB Resume\n", ohci->name);
|
1305 | 0d92ed30 | pbrook | break;
|
1306 | 0d92ed30 | pbrook | case OHCI_USB_RESET:
|
1307 | 73221b12 | ths | ohci_reset(ohci); |
1308 | d0f2c4c6 | malc | DPRINTF("usb-ohci: %s: USB Reset\n", ohci->name);
|
1309 | 0d92ed30 | pbrook | break;
|
1310 | 0d92ed30 | pbrook | } |
1311 | 0d92ed30 | pbrook | } |
1312 | 0d92ed30 | pbrook | |
1313 | 0d92ed30 | pbrook | static uint32_t ohci_get_frame_remaining(OHCIState *ohci)
|
1314 | 0d92ed30 | pbrook | { |
1315 | 0d92ed30 | pbrook | uint16_t fr; |
1316 | 0d92ed30 | pbrook | int64_t tks; |
1317 | 0d92ed30 | pbrook | |
1318 | 0d92ed30 | pbrook | if ((ohci->ctl & OHCI_CTL_HCFS) != OHCI_USB_OPERATIONAL)
|
1319 | 0d92ed30 | pbrook | return (ohci->frt << 31); |
1320 | 0d92ed30 | pbrook | |
1321 | 0d92ed30 | pbrook | /* Being in USB operational state guarnatees sof_time was
|
1322 | 0d92ed30 | pbrook | * set already.
|
1323 | 0d92ed30 | pbrook | */
|
1324 | 74475455 | Paolo Bonzini | tks = qemu_get_clock_ns(vm_clock) - ohci->sof_time; |
1325 | 0d92ed30 | pbrook | |
1326 | 0d92ed30 | pbrook | /* avoid muldiv if possible */
|
1327 | 0d92ed30 | pbrook | if (tks >= usb_frame_time)
|
1328 | 0d92ed30 | pbrook | return (ohci->frt << 31); |
1329 | 0d92ed30 | pbrook | |
1330 | 0d92ed30 | pbrook | tks = muldiv64(1, tks, usb_bit_time);
|
1331 | 0d92ed30 | pbrook | fr = (uint16_t)(ohci->fi - tks); |
1332 | 0d92ed30 | pbrook | |
1333 | 0d92ed30 | pbrook | return (ohci->frt << 31) | fr; |
1334 | 0d92ed30 | pbrook | } |
1335 | 0d92ed30 | pbrook | |
1336 | 0d92ed30 | pbrook | |
1337 | 0d92ed30 | pbrook | /* Set root hub status */
|
1338 | 0d92ed30 | pbrook | static void ohci_set_hub_status(OHCIState *ohci, uint32_t val) |
1339 | 0d92ed30 | pbrook | { |
1340 | 0d92ed30 | pbrook | uint32_t old_state; |
1341 | 0d92ed30 | pbrook | |
1342 | 0d92ed30 | pbrook | old_state = ohci->rhstatus; |
1343 | 0d92ed30 | pbrook | |
1344 | 0d92ed30 | pbrook | /* write 1 to clear OCIC */
|
1345 | 0d92ed30 | pbrook | if (val & OHCI_RHS_OCIC)
|
1346 | 0d92ed30 | pbrook | ohci->rhstatus &= ~OHCI_RHS_OCIC; |
1347 | 0d92ed30 | pbrook | |
1348 | 0d92ed30 | pbrook | if (val & OHCI_RHS_LPS) {
|
1349 | 0d92ed30 | pbrook | int i;
|
1350 | 0d92ed30 | pbrook | |
1351 | 0d92ed30 | pbrook | for (i = 0; i < ohci->num_ports; i++) |
1352 | 0d92ed30 | pbrook | ohci_port_power(ohci, i, 0);
|
1353 | d0f2c4c6 | malc | DPRINTF("usb-ohci: powered down all ports\n");
|
1354 | 0d92ed30 | pbrook | } |
1355 | 0d92ed30 | pbrook | |
1356 | 0d92ed30 | pbrook | if (val & OHCI_RHS_LPSC) {
|
1357 | 0d92ed30 | pbrook | int i;
|
1358 | 0d92ed30 | pbrook | |
1359 | 0d92ed30 | pbrook | for (i = 0; i < ohci->num_ports; i++) |
1360 | 0d92ed30 | pbrook | ohci_port_power(ohci, i, 1);
|
1361 | d0f2c4c6 | malc | DPRINTF("usb-ohci: powered up all ports\n");
|
1362 | 0d92ed30 | pbrook | } |
1363 | 0d92ed30 | pbrook | |
1364 | 0d92ed30 | pbrook | if (val & OHCI_RHS_DRWE)
|
1365 | 0d92ed30 | pbrook | ohci->rhstatus |= OHCI_RHS_DRWE; |
1366 | 0d92ed30 | pbrook | |
1367 | 0d92ed30 | pbrook | if (val & OHCI_RHS_CRWE)
|
1368 | 0d92ed30 | pbrook | ohci->rhstatus &= ~OHCI_RHS_DRWE; |
1369 | 0d92ed30 | pbrook | |
1370 | 0d92ed30 | pbrook | if (old_state != ohci->rhstatus)
|
1371 | 0d92ed30 | pbrook | ohci_set_interrupt(ohci, OHCI_INTR_RHSC); |
1372 | 0d92ed30 | pbrook | } |
1373 | 0d92ed30 | pbrook | |
1374 | 0d92ed30 | pbrook | /* Set root hub port status */
|
1375 | 0d92ed30 | pbrook | static void ohci_port_set_status(OHCIState *ohci, int portnum, uint32_t val) |
1376 | 0d92ed30 | pbrook | { |
1377 | 0d92ed30 | pbrook | uint32_t old_state; |
1378 | 0d92ed30 | pbrook | OHCIPort *port; |
1379 | 0d92ed30 | pbrook | |
1380 | 0d92ed30 | pbrook | port = &ohci->rhport[portnum]; |
1381 | 0d92ed30 | pbrook | old_state = port->ctrl; |
1382 | 0d92ed30 | pbrook | |
1383 | 0d92ed30 | pbrook | /* Write to clear CSC, PESC, PSSC, OCIC, PRSC */
|
1384 | 0d92ed30 | pbrook | if (val & OHCI_PORT_WTC)
|
1385 | 0d92ed30 | pbrook | port->ctrl &= ~(val & OHCI_PORT_WTC); |
1386 | 0d92ed30 | pbrook | |
1387 | 0d92ed30 | pbrook | if (val & OHCI_PORT_CCS)
|
1388 | 0d92ed30 | pbrook | port->ctrl &= ~OHCI_PORT_PES; |
1389 | 0d92ed30 | pbrook | |
1390 | 0d92ed30 | pbrook | ohci_port_set_if_connected(ohci, portnum, val & OHCI_PORT_PES); |
1391 | 0d92ed30 | pbrook | |
1392 | 6ad6135d | Blue Swirl | if (ohci_port_set_if_connected(ohci, portnum, val & OHCI_PORT_PSS)) {
|
1393 | d0f2c4c6 | malc | DPRINTF("usb-ohci: port %d: SUSPEND\n", portnum);
|
1394 | 6ad6135d | Blue Swirl | } |
1395 | 0d92ed30 | pbrook | |
1396 | 0d92ed30 | pbrook | if (ohci_port_set_if_connected(ohci, portnum, val & OHCI_PORT_PRS)) {
|
1397 | d0f2c4c6 | malc | DPRINTF("usb-ohci: port %d: RESET\n", portnum);
|
1398 | 4d611c9a | pbrook | usb_send_msg(port->port.dev, USB_MSG_RESET); |
1399 | 0d92ed30 | pbrook | port->ctrl &= ~OHCI_PORT_PRS; |
1400 | 0d92ed30 | pbrook | /* ??? Should this also set OHCI_PORT_PESC. */
|
1401 | 0d92ed30 | pbrook | port->ctrl |= OHCI_PORT_PES | OHCI_PORT_PRSC; |
1402 | 0d92ed30 | pbrook | } |
1403 | 0d92ed30 | pbrook | |
1404 | 0d92ed30 | pbrook | /* Invert order here to ensure in ambiguous case, device is
|
1405 | 0d92ed30 | pbrook | * powered up...
|
1406 | 0d92ed30 | pbrook | */
|
1407 | 0d92ed30 | pbrook | if (val & OHCI_PORT_LSDA)
|
1408 | 0d92ed30 | pbrook | ohci_port_power(ohci, portnum, 0);
|
1409 | 0d92ed30 | pbrook | if (val & OHCI_PORT_PPS)
|
1410 | 0d92ed30 | pbrook | ohci_port_power(ohci, portnum, 1);
|
1411 | 0d92ed30 | pbrook | |
1412 | 0d92ed30 | pbrook | if (old_state != port->ctrl)
|
1413 | 0d92ed30 | pbrook | ohci_set_interrupt(ohci, OHCI_INTR_RHSC); |
1414 | 0d92ed30 | pbrook | |
1415 | 0d92ed30 | pbrook | return;
|
1416 | 0d92ed30 | pbrook | } |
1417 | 0d92ed30 | pbrook | |
1418 | a67ba3b6 | Paul Brook | static uint32_t ohci_mem_read(void *ptr, target_phys_addr_t addr) |
1419 | 0d92ed30 | pbrook | { |
1420 | 0d92ed30 | pbrook | OHCIState *ohci = ptr; |
1421 | 65e1d81b | aurel32 | uint32_t retval; |
1422 | 0d92ed30 | pbrook | |
1423 | 09564574 | Paul Brook | addr &= 0xff;
|
1424 | 09564574 | Paul Brook | |
1425 | 0d92ed30 | pbrook | /* Only aligned reads are allowed on OHCI */
|
1426 | 0d92ed30 | pbrook | if (addr & 3) { |
1427 | 0d92ed30 | pbrook | fprintf(stderr, "usb-ohci: Mis-aligned read\n");
|
1428 | 0d92ed30 | pbrook | return 0xffffffff; |
1429 | 65e1d81b | aurel32 | } else if (addr >= 0x54 && addr < 0x54 + ohci->num_ports * 4) { |
1430 | 0d92ed30 | pbrook | /* HcRhPortStatus */
|
1431 | 65e1d81b | aurel32 | retval = ohci->rhport[(addr - 0x54) >> 2].ctrl | OHCI_PORT_PPS; |
1432 | 65e1d81b | aurel32 | } else {
|
1433 | 65e1d81b | aurel32 | switch (addr >> 2) { |
1434 | 65e1d81b | aurel32 | case 0: /* HcRevision */ |
1435 | 65e1d81b | aurel32 | retval = 0x10;
|
1436 | 65e1d81b | aurel32 | break;
|
1437 | 65e1d81b | aurel32 | |
1438 | 65e1d81b | aurel32 | case 1: /* HcControl */ |
1439 | 65e1d81b | aurel32 | retval = ohci->ctl; |
1440 | 65e1d81b | aurel32 | break;
|
1441 | 65e1d81b | aurel32 | |
1442 | 65e1d81b | aurel32 | case 2: /* HcCommandStatus */ |
1443 | 65e1d81b | aurel32 | retval = ohci->status; |
1444 | 65e1d81b | aurel32 | break;
|
1445 | 65e1d81b | aurel32 | |
1446 | 65e1d81b | aurel32 | case 3: /* HcInterruptStatus */ |
1447 | 65e1d81b | aurel32 | retval = ohci->intr_status; |
1448 | 65e1d81b | aurel32 | break;
|
1449 | 65e1d81b | aurel32 | |
1450 | 65e1d81b | aurel32 | case 4: /* HcInterruptEnable */ |
1451 | 65e1d81b | aurel32 | case 5: /* HcInterruptDisable */ |
1452 | 65e1d81b | aurel32 | retval = ohci->intr; |
1453 | 65e1d81b | aurel32 | break;
|
1454 | 65e1d81b | aurel32 | |
1455 | 65e1d81b | aurel32 | case 6: /* HcHCCA */ |
1456 | 65e1d81b | aurel32 | retval = ohci->hcca; |
1457 | 65e1d81b | aurel32 | break;
|
1458 | 65e1d81b | aurel32 | |
1459 | 65e1d81b | aurel32 | case 7: /* HcPeriodCurrentED */ |
1460 | 65e1d81b | aurel32 | retval = ohci->per_cur; |
1461 | 65e1d81b | aurel32 | break;
|
1462 | 65e1d81b | aurel32 | |
1463 | 65e1d81b | aurel32 | case 8: /* HcControlHeadED */ |
1464 | 65e1d81b | aurel32 | retval = ohci->ctrl_head; |
1465 | 65e1d81b | aurel32 | break;
|
1466 | 65e1d81b | aurel32 | |
1467 | 65e1d81b | aurel32 | case 9: /* HcControlCurrentED */ |
1468 | 65e1d81b | aurel32 | retval = ohci->ctrl_cur; |
1469 | 65e1d81b | aurel32 | break;
|
1470 | 65e1d81b | aurel32 | |
1471 | 65e1d81b | aurel32 | case 10: /* HcBulkHeadED */ |
1472 | 65e1d81b | aurel32 | retval = ohci->bulk_head; |
1473 | 65e1d81b | aurel32 | break;
|
1474 | 65e1d81b | aurel32 | |
1475 | 65e1d81b | aurel32 | case 11: /* HcBulkCurrentED */ |
1476 | 65e1d81b | aurel32 | retval = ohci->bulk_cur; |
1477 | 65e1d81b | aurel32 | break;
|
1478 | 65e1d81b | aurel32 | |
1479 | 65e1d81b | aurel32 | case 12: /* HcDoneHead */ |
1480 | 65e1d81b | aurel32 | retval = ohci->done; |
1481 | 65e1d81b | aurel32 | break;
|
1482 | 65e1d81b | aurel32 | |
1483 | 65e1d81b | aurel32 | case 13: /* HcFmInterretval */ |
1484 | 65e1d81b | aurel32 | retval = (ohci->fit << 31) | (ohci->fsmps << 16) | (ohci->fi); |
1485 | 65e1d81b | aurel32 | break;
|
1486 | 65e1d81b | aurel32 | |
1487 | 65e1d81b | aurel32 | case 14: /* HcFmRemaining */ |
1488 | 65e1d81b | aurel32 | retval = ohci_get_frame_remaining(ohci); |
1489 | 65e1d81b | aurel32 | break;
|
1490 | 65e1d81b | aurel32 | |
1491 | 65e1d81b | aurel32 | case 15: /* HcFmNumber */ |
1492 | 65e1d81b | aurel32 | retval = ohci->frame_number; |
1493 | 65e1d81b | aurel32 | break;
|
1494 | 65e1d81b | aurel32 | |
1495 | 65e1d81b | aurel32 | case 16: /* HcPeriodicStart */ |
1496 | 65e1d81b | aurel32 | retval = ohci->pstart; |
1497 | 65e1d81b | aurel32 | break;
|
1498 | 65e1d81b | aurel32 | |
1499 | 65e1d81b | aurel32 | case 17: /* HcLSThreshold */ |
1500 | 65e1d81b | aurel32 | retval = ohci->lst; |
1501 | 65e1d81b | aurel32 | break;
|
1502 | 65e1d81b | aurel32 | |
1503 | 65e1d81b | aurel32 | case 18: /* HcRhDescriptorA */ |
1504 | 65e1d81b | aurel32 | retval = ohci->rhdesc_a; |
1505 | 65e1d81b | aurel32 | break;
|
1506 | 65e1d81b | aurel32 | |
1507 | 65e1d81b | aurel32 | case 19: /* HcRhDescriptorB */ |
1508 | 65e1d81b | aurel32 | retval = ohci->rhdesc_b; |
1509 | 65e1d81b | aurel32 | break;
|
1510 | 65e1d81b | aurel32 | |
1511 | 65e1d81b | aurel32 | case 20: /* HcRhStatus */ |
1512 | 65e1d81b | aurel32 | retval = ohci->rhstatus; |
1513 | 65e1d81b | aurel32 | break;
|
1514 | 65e1d81b | aurel32 | |
1515 | 65e1d81b | aurel32 | /* PXA27x specific registers */
|
1516 | 65e1d81b | aurel32 | case 24: /* HcStatus */ |
1517 | 65e1d81b | aurel32 | retval = ohci->hstatus & ohci->hmask; |
1518 | 65e1d81b | aurel32 | break;
|
1519 | 65e1d81b | aurel32 | |
1520 | 65e1d81b | aurel32 | case 25: /* HcHReset */ |
1521 | 65e1d81b | aurel32 | retval = ohci->hreset; |
1522 | 65e1d81b | aurel32 | break;
|
1523 | 65e1d81b | aurel32 | |
1524 | 65e1d81b | aurel32 | case 26: /* HcHInterruptEnable */ |
1525 | 65e1d81b | aurel32 | retval = ohci->hmask; |
1526 | 65e1d81b | aurel32 | break;
|
1527 | 65e1d81b | aurel32 | |
1528 | 65e1d81b | aurel32 | case 27: /* HcHInterruptTest */ |
1529 | 65e1d81b | aurel32 | retval = ohci->htest; |
1530 | 65e1d81b | aurel32 | break;
|
1531 | 65e1d81b | aurel32 | |
1532 | 65e1d81b | aurel32 | default:
|
1533 | 65e1d81b | aurel32 | fprintf(stderr, "ohci_read: Bad offset %x\n", (int)addr); |
1534 | 65e1d81b | aurel32 | retval = 0xffffffff;
|
1535 | 65e1d81b | aurel32 | } |
1536 | 0d92ed30 | pbrook | } |
1537 | 0d92ed30 | pbrook | |
1538 | 65e1d81b | aurel32 | return retval;
|
1539 | 0d92ed30 | pbrook | } |
1540 | 0d92ed30 | pbrook | |
1541 | a67ba3b6 | Paul Brook | static void ohci_mem_write(void *ptr, target_phys_addr_t addr, uint32_t val) |
1542 | 0d92ed30 | pbrook | { |
1543 | 0d92ed30 | pbrook | OHCIState *ohci = ptr; |
1544 | 0d92ed30 | pbrook | |
1545 | 09564574 | Paul Brook | addr &= 0xff;
|
1546 | 09564574 | Paul Brook | |
1547 | 0d92ed30 | pbrook | /* Only aligned reads are allowed on OHCI */
|
1548 | 0d92ed30 | pbrook | if (addr & 3) { |
1549 | 0d92ed30 | pbrook | fprintf(stderr, "usb-ohci: Mis-aligned write\n");
|
1550 | 0d92ed30 | pbrook | return;
|
1551 | 0d92ed30 | pbrook | } |
1552 | 0d92ed30 | pbrook | |
1553 | 0d92ed30 | pbrook | if (addr >= 0x54 && addr < 0x54 + ohci->num_ports * 4) { |
1554 | 0d92ed30 | pbrook | /* HcRhPortStatus */
|
1555 | 0d92ed30 | pbrook | ohci_port_set_status(ohci, (addr - 0x54) >> 2, val); |
1556 | 0d92ed30 | pbrook | return;
|
1557 | 0d92ed30 | pbrook | } |
1558 | 0d92ed30 | pbrook | |
1559 | 0d92ed30 | pbrook | switch (addr >> 2) { |
1560 | 0d92ed30 | pbrook | case 1: /* HcControl */ |
1561 | 0d92ed30 | pbrook | ohci_set_ctl(ohci, val); |
1562 | 0d92ed30 | pbrook | break;
|
1563 | 0d92ed30 | pbrook | |
1564 | 0d92ed30 | pbrook | case 2: /* HcCommandStatus */ |
1565 | 0d92ed30 | pbrook | /* SOC is read-only */
|
1566 | 0d92ed30 | pbrook | val = (val & ~OHCI_STATUS_SOC); |
1567 | 0d92ed30 | pbrook | |
1568 | 0d92ed30 | pbrook | /* Bits written as '0' remain unchanged in the register */
|
1569 | 0d92ed30 | pbrook | ohci->status |= val; |
1570 | 0d92ed30 | pbrook | |
1571 | 0d92ed30 | pbrook | if (ohci->status & OHCI_STATUS_HCR)
|
1572 | 0d92ed30 | pbrook | ohci_reset(ohci); |
1573 | 0d92ed30 | pbrook | break;
|
1574 | 0d92ed30 | pbrook | |
1575 | 0d92ed30 | pbrook | case 3: /* HcInterruptStatus */ |
1576 | 0d92ed30 | pbrook | ohci->intr_status &= ~val; |
1577 | 0d92ed30 | pbrook | ohci_intr_update(ohci); |
1578 | 0d92ed30 | pbrook | break;
|
1579 | 0d92ed30 | pbrook | |
1580 | 0d92ed30 | pbrook | case 4: /* HcInterruptEnable */ |
1581 | 0d92ed30 | pbrook | ohci->intr |= val; |
1582 | 0d92ed30 | pbrook | ohci_intr_update(ohci); |
1583 | 0d92ed30 | pbrook | break;
|
1584 | 0d92ed30 | pbrook | |
1585 | 0d92ed30 | pbrook | case 5: /* HcInterruptDisable */ |
1586 | 0d92ed30 | pbrook | ohci->intr &= ~val; |
1587 | 0d92ed30 | pbrook | ohci_intr_update(ohci); |
1588 | 0d92ed30 | pbrook | break;
|
1589 | 0d92ed30 | pbrook | |
1590 | 0d92ed30 | pbrook | case 6: /* HcHCCA */ |
1591 | 0d92ed30 | pbrook | ohci->hcca = val & OHCI_HCCA_MASK; |
1592 | 0d92ed30 | pbrook | break;
|
1593 | 0d92ed30 | pbrook | |
1594 | 4b0315d7 | Peter Maydell | case 7: /* HcPeriodCurrentED */ |
1595 | 4b0315d7 | Peter Maydell | /* Ignore writes to this read-only register, Linux does them */
|
1596 | 4b0315d7 | Peter Maydell | break;
|
1597 | 4b0315d7 | Peter Maydell | |
1598 | 0d92ed30 | pbrook | case 8: /* HcControlHeadED */ |
1599 | 0d92ed30 | pbrook | ohci->ctrl_head = val & OHCI_EDPTR_MASK; |
1600 | 0d92ed30 | pbrook | break;
|
1601 | 0d92ed30 | pbrook | |
1602 | 0d92ed30 | pbrook | case 9: /* HcControlCurrentED */ |
1603 | 0d92ed30 | pbrook | ohci->ctrl_cur = val & OHCI_EDPTR_MASK; |
1604 | 0d92ed30 | pbrook | break;
|
1605 | 0d92ed30 | pbrook | |
1606 | 0d92ed30 | pbrook | case 10: /* HcBulkHeadED */ |
1607 | 0d92ed30 | pbrook | ohci->bulk_head = val & OHCI_EDPTR_MASK; |
1608 | 0d92ed30 | pbrook | break;
|
1609 | 0d92ed30 | pbrook | |
1610 | 0d92ed30 | pbrook | case 11: /* HcBulkCurrentED */ |
1611 | 0d92ed30 | pbrook | ohci->bulk_cur = val & OHCI_EDPTR_MASK; |
1612 | 0d92ed30 | pbrook | break;
|
1613 | 0d92ed30 | pbrook | |
1614 | 0d92ed30 | pbrook | case 13: /* HcFmInterval */ |
1615 | 0d92ed30 | pbrook | ohci->fsmps = (val & OHCI_FMI_FSMPS) >> 16;
|
1616 | 0d92ed30 | pbrook | ohci->fit = (val & OHCI_FMI_FIT) >> 31;
|
1617 | 0d92ed30 | pbrook | ohci_set_frame_interval(ohci, val); |
1618 | 0d92ed30 | pbrook | break;
|
1619 | 0d92ed30 | pbrook | |
1620 | 7bfe5777 | balrog | case 15: /* HcFmNumber */ |
1621 | 7bfe5777 | balrog | break;
|
1622 | 7bfe5777 | balrog | |
1623 | 0d92ed30 | pbrook | case 16: /* HcPeriodicStart */ |
1624 | 0d92ed30 | pbrook | ohci->pstart = val & 0xffff;
|
1625 | 0d92ed30 | pbrook | break;
|
1626 | 0d92ed30 | pbrook | |
1627 | 0d92ed30 | pbrook | case 17: /* HcLSThreshold */ |
1628 | 0d92ed30 | pbrook | ohci->lst = val & 0xffff;
|
1629 | 0d92ed30 | pbrook | break;
|
1630 | 0d92ed30 | pbrook | |
1631 | 0d92ed30 | pbrook | case 18: /* HcRhDescriptorA */ |
1632 | 0d92ed30 | pbrook | ohci->rhdesc_a &= ~OHCI_RHA_RW_MASK; |
1633 | 0d92ed30 | pbrook | ohci->rhdesc_a |= val & OHCI_RHA_RW_MASK; |
1634 | 0d92ed30 | pbrook | break;
|
1635 | 0d92ed30 | pbrook | |
1636 | 0d92ed30 | pbrook | case 19: /* HcRhDescriptorB */ |
1637 | 0d92ed30 | pbrook | break;
|
1638 | 0d92ed30 | pbrook | |
1639 | 0d92ed30 | pbrook | case 20: /* HcRhStatus */ |
1640 | 0d92ed30 | pbrook | ohci_set_hub_status(ohci, val); |
1641 | 0d92ed30 | pbrook | break;
|
1642 | 0d92ed30 | pbrook | |
1643 | e24ad6f1 | pbrook | /* PXA27x specific registers */
|
1644 | e24ad6f1 | pbrook | case 24: /* HcStatus */ |
1645 | e24ad6f1 | pbrook | ohci->hstatus &= ~(val & ohci->hmask); |
1646 | e24ad6f1 | pbrook | |
1647 | e24ad6f1 | pbrook | case 25: /* HcHReset */ |
1648 | e24ad6f1 | pbrook | ohci->hreset = val & ~OHCI_HRESET_FSBIR; |
1649 | e24ad6f1 | pbrook | if (val & OHCI_HRESET_FSBIR)
|
1650 | e24ad6f1 | pbrook | ohci_reset(ohci); |
1651 | e24ad6f1 | pbrook | break;
|
1652 | e24ad6f1 | pbrook | |
1653 | e24ad6f1 | pbrook | case 26: /* HcHInterruptEnable */ |
1654 | e24ad6f1 | pbrook | ohci->hmask = val; |
1655 | e24ad6f1 | pbrook | break;
|
1656 | e24ad6f1 | pbrook | |
1657 | e24ad6f1 | pbrook | case 27: /* HcHInterruptTest */ |
1658 | e24ad6f1 | pbrook | ohci->htest = val; |
1659 | e24ad6f1 | pbrook | break;
|
1660 | e24ad6f1 | pbrook | |
1661 | 0d92ed30 | pbrook | default:
|
1662 | 0d92ed30 | pbrook | fprintf(stderr, "ohci_write: Bad offset %x\n", (int)addr); |
1663 | 0d92ed30 | pbrook | break;
|
1664 | 0d92ed30 | pbrook | } |
1665 | 0d92ed30 | pbrook | } |
1666 | 0d92ed30 | pbrook | |
1667 | 07771f6f | Gerd Hoffmann | static void ohci_device_destroy(USBBus *bus, USBDevice *dev) |
1668 | 07771f6f | Gerd Hoffmann | { |
1669 | 07771f6f | Gerd Hoffmann | OHCIState *ohci = container_of(bus, OHCIState, bus); |
1670 | 07771f6f | Gerd Hoffmann | |
1671 | 07771f6f | Gerd Hoffmann | if (ohci->async_td && ohci->usb_packet.owner == dev) {
|
1672 | 07771f6f | Gerd Hoffmann | usb_cancel_packet(&ohci->usb_packet); |
1673 | 07771f6f | Gerd Hoffmann | ohci->async_td = 0;
|
1674 | 07771f6f | Gerd Hoffmann | } |
1675 | 07771f6f | Gerd Hoffmann | } |
1676 | 07771f6f | Gerd Hoffmann | |
1677 | 0d92ed30 | pbrook | /* Only dword reads are defined on OHCI register space */
|
1678 | a67ba3b6 | Paul Brook | static CPUReadMemoryFunc * const ohci_readfn[3]={ |
1679 | a67ba3b6 | Paul Brook | ohci_mem_read, |
1680 | a67ba3b6 | Paul Brook | ohci_mem_read, |
1681 | a67ba3b6 | Paul Brook | ohci_mem_read |
1682 | 0d92ed30 | pbrook | }; |
1683 | 0d92ed30 | pbrook | |
1684 | 0d92ed30 | pbrook | /* Only dword writes are defined on OHCI register space */
|
1685 | a67ba3b6 | Paul Brook | static CPUWriteMemoryFunc * const ohci_writefn[3]={ |
1686 | a67ba3b6 | Paul Brook | ohci_mem_write, |
1687 | a67ba3b6 | Paul Brook | ohci_mem_write, |
1688 | a67ba3b6 | Paul Brook | ohci_mem_write |
1689 | 0d92ed30 | pbrook | }; |
1690 | 0d92ed30 | pbrook | |
1691 | 0d86d2be | Gerd Hoffmann | static USBPortOps ohci_port_ops = {
|
1692 | 0d86d2be | Gerd Hoffmann | .attach = ohci_attach, |
1693 | 618c169b | Gerd Hoffmann | .detach = ohci_detach, |
1694 | 9bba1eb1 | Peter Maydell | .wakeup = ohci_wakeup, |
1695 | 13a9a0d3 | Gerd Hoffmann | .complete = ohci_async_complete_packet, |
1696 | 0d86d2be | Gerd Hoffmann | }; |
1697 | 0d86d2be | Gerd Hoffmann | |
1698 | 07771f6f | Gerd Hoffmann | static USBBusOps ohci_bus_ops = {
|
1699 | 07771f6f | Gerd Hoffmann | .device_destroy = ohci_device_destroy, |
1700 | 07771f6f | Gerd Hoffmann | }; |
1701 | 07771f6f | Gerd Hoffmann | |
1702 | 5b19d9a2 | Gerd Hoffmann | static void usb_ohci_init(OHCIState *ohci, DeviceState *dev, |
1703 | 61d3cf93 | Paul Brook | int num_ports, uint32_t localmem_base)
|
1704 | 0d92ed30 | pbrook | { |
1705 | 0d92ed30 | pbrook | int i;
|
1706 | 0d92ed30 | pbrook | |
1707 | 0d92ed30 | pbrook | if (usb_frame_time == 0) { |
1708 | eb38c52c | blueswir1 | #ifdef OHCI_TIME_WARP
|
1709 | 6ee093c9 | Juan Quintela | usb_frame_time = get_ticks_per_sec(); |
1710 | 6ee093c9 | Juan Quintela | usb_bit_time = muldiv64(1, get_ticks_per_sec(), USB_HZ/1000); |
1711 | 0d92ed30 | pbrook | #else
|
1712 | 6ee093c9 | Juan Quintela | usb_frame_time = muldiv64(1, get_ticks_per_sec(), 1000); |
1713 | 6ee093c9 | Juan Quintela | if (get_ticks_per_sec() >= USB_HZ) {
|
1714 | 6ee093c9 | Juan Quintela | usb_bit_time = muldiv64(1, get_ticks_per_sec(), USB_HZ);
|
1715 | 0d92ed30 | pbrook | } else {
|
1716 | 0d92ed30 | pbrook | usb_bit_time = 1;
|
1717 | 0d92ed30 | pbrook | } |
1718 | 0d92ed30 | pbrook | #endif
|
1719 | d0f2c4c6 | malc | DPRINTF("usb-ohci: usb_bit_time=%" PRId64 " usb_frame_time=%" PRId64 "\n", |
1720 | 0d92ed30 | pbrook | usb_frame_time, usb_bit_time); |
1721 | 0d92ed30 | pbrook | } |
1722 | 0d92ed30 | pbrook | |
1723 | 2507c12a | Alexander Graf | ohci->mem = cpu_register_io_memory(ohci_readfn, ohci_writefn, ohci, |
1724 | 34557491 | Alexander Graf | DEVICE_LITTLE_ENDIAN); |
1725 | ac611340 | aurel32 | ohci->localmem_base = localmem_base; |
1726 | e24ad6f1 | pbrook | |
1727 | 61d3cf93 | Paul Brook | ohci->name = dev->info->name; |
1728 | e24ad6f1 | pbrook | |
1729 | 07771f6f | Gerd Hoffmann | usb_bus_new(&ohci->bus, &ohci_bus_ops, dev); |
1730 | e24ad6f1 | pbrook | ohci->num_ports = num_ports; |
1731 | e24ad6f1 | pbrook | for (i = 0; i < num_ports; i++) { |
1732 | ace1318b | Gerd Hoffmann | usb_register_port(&ohci->bus, &ohci->rhport[i].port, ohci, i, &ohci_port_ops, |
1733 | 843d4e0c | Gerd Hoffmann | USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL); |
1734 | c7a2196a | Gerd Hoffmann | usb_port_location(&ohci->rhport[i].port, NULL, i+1); |
1735 | e24ad6f1 | pbrook | } |
1736 | e24ad6f1 | pbrook | |
1737 | e24ad6f1 | pbrook | ohci->async_td = 0;
|
1738 | a08d4367 | Jan Kiszka | qemu_register_reset(ohci_reset, ohci); |
1739 | e24ad6f1 | pbrook | } |
1740 | e24ad6f1 | pbrook | |
1741 | e24ad6f1 | pbrook | typedef struct { |
1742 | e24ad6f1 | pbrook | PCIDevice pci_dev; |
1743 | e24ad6f1 | pbrook | OHCIState state; |
1744 | e24ad6f1 | pbrook | } OHCIPCIState; |
1745 | e24ad6f1 | pbrook | |
1746 | 5b19d9a2 | Gerd Hoffmann | static int usb_ohci_initfn_pci(struct PCIDevice *dev) |
1747 | e24ad6f1 | pbrook | { |
1748 | 5b19d9a2 | Gerd Hoffmann | OHCIPCIState *ohci = DO_UPCAST(OHCIPCIState, pci_dev, dev); |
1749 | 5b19d9a2 | Gerd Hoffmann | int num_ports = 3; |
1750 | 0d92ed30 | pbrook | |
1751 | deb54399 | aliguori | pci_config_set_vendor_id(ohci->pci_dev.config, PCI_VENDOR_ID_APPLE); |
1752 | a770dc7e | aliguori | pci_config_set_device_id(ohci->pci_dev.config, |
1753 | a770dc7e | aliguori | PCI_DEVICE_ID_APPLE_IPID_USB); |
1754 | d74dbb94 | Michael S. Tsirkin | ohci->pci_dev.config[PCI_CLASS_PROG] = 0x10; /* OHCI */ |
1755 | 173a543b | blueswir1 | pci_config_set_class(ohci->pci_dev.config, PCI_CLASS_SERIAL_USB); |
1756 | d74dbb94 | Michael S. Tsirkin | /* TODO: RST# value should be 0. */
|
1757 | d74dbb94 | Michael S. Tsirkin | ohci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */ |
1758 | 0d92ed30 | pbrook | |
1759 | 61d3cf93 | Paul Brook | usb_ohci_init(&ohci->state, &dev->qdev, num_ports, 0);
|
1760 | 61d3cf93 | Paul Brook | ohci->state.irq = ohci->pci_dev.irq[0];
|
1761 | 0d92ed30 | pbrook | |
1762 | d74dbb94 | Michael S. Tsirkin | /* TODO: avoid cast below by using dev */
|
1763 | 6e964ded | Avi Kivity | pci_register_bar_simple(&ohci->pci_dev, 0, 256, 0, ohci->state.mem); |
1764 | 5b19d9a2 | Gerd Hoffmann | return 0; |
1765 | 5b19d9a2 | Gerd Hoffmann | } |
1766 | 5b19d9a2 | Gerd Hoffmann | |
1767 | a67ba3b6 | Paul Brook | void usb_ohci_init_pci(struct PCIBus *bus, int devfn) |
1768 | 5b19d9a2 | Gerd Hoffmann | { |
1769 | a67ba3b6 | Paul Brook | pci_create_simple(bus, devfn, "pci-ohci");
|
1770 | e24ad6f1 | pbrook | } |
1771 | 0d92ed30 | pbrook | |
1772 | 61d3cf93 | Paul Brook | typedef struct { |
1773 | 61d3cf93 | Paul Brook | SysBusDevice busdev; |
1774 | 61d3cf93 | Paul Brook | OHCIState ohci; |
1775 | 61d3cf93 | Paul Brook | uint32_t num_ports; |
1776 | 61d3cf93 | Paul Brook | target_phys_addr_t dma_offset; |
1777 | 61d3cf93 | Paul Brook | } OHCISysBusState; |
1778 | ac611340 | aurel32 | |
1779 | 61d3cf93 | Paul Brook | static int ohci_init_pxa(SysBusDevice *dev) |
1780 | ac611340 | aurel32 | { |
1781 | 61d3cf93 | Paul Brook | OHCISysBusState *s = FROM_SYSBUS(OHCISysBusState, dev); |
1782 | ac611340 | aurel32 | |
1783 | 61d3cf93 | Paul Brook | usb_ohci_init(&s->ohci, &dev->qdev, s->num_ports, s->dma_offset); |
1784 | 61d3cf93 | Paul Brook | sysbus_init_irq(dev, &s->ohci.irq); |
1785 | 61d3cf93 | Paul Brook | sysbus_init_mmio(dev, 0x1000, s->ohci.mem);
|
1786 | ac611340 | aurel32 | |
1787 | 61d3cf93 | Paul Brook | return 0; |
1788 | ac611340 | aurel32 | } |
1789 | ac611340 | aurel32 | |
1790 | 61d3cf93 | Paul Brook | static PCIDeviceInfo ohci_pci_info = {
|
1791 | 556cd098 | Markus Armbruster | .qdev.name = "pci-ohci",
|
1792 | 5b19d9a2 | Gerd Hoffmann | .qdev.desc = "Apple USB Controller",
|
1793 | 5b19d9a2 | Gerd Hoffmann | .qdev.size = sizeof(OHCIPCIState),
|
1794 | 5b19d9a2 | Gerd Hoffmann | .init = usb_ohci_initfn_pci, |
1795 | 5b19d9a2 | Gerd Hoffmann | }; |
1796 | 5b19d9a2 | Gerd Hoffmann | |
1797 | 61d3cf93 | Paul Brook | static SysBusDeviceInfo ohci_sysbus_info = {
|
1798 | 61d3cf93 | Paul Brook | .init = ohci_init_pxa, |
1799 | 61d3cf93 | Paul Brook | .qdev.name = "sysbus-ohci",
|
1800 | 61d3cf93 | Paul Brook | .qdev.desc = "OHCI USB Controller",
|
1801 | 61d3cf93 | Paul Brook | .qdev.size = sizeof(OHCISysBusState),
|
1802 | 61d3cf93 | Paul Brook | .qdev.props = (Property[]) { |
1803 | 61d3cf93 | Paul Brook | DEFINE_PROP_UINT32("num-ports", OHCISysBusState, num_ports, 3), |
1804 | 61d3cf93 | Paul Brook | DEFINE_PROP_TADDR("dma-offset", OHCISysBusState, dma_offset, 3), |
1805 | 61d3cf93 | Paul Brook | DEFINE_PROP_END_OF_LIST(), |
1806 | 61d3cf93 | Paul Brook | } |
1807 | 61d3cf93 | Paul Brook | }; |
1808 | 61d3cf93 | Paul Brook | |
1809 | 5b19d9a2 | Gerd Hoffmann | static void ohci_register(void) |
1810 | 5b19d9a2 | Gerd Hoffmann | { |
1811 | 61d3cf93 | Paul Brook | pci_qdev_register(&ohci_pci_info); |
1812 | 61d3cf93 | Paul Brook | sysbus_register_withprop(&ohci_sysbus_info); |
1813 | 5b19d9a2 | Gerd Hoffmann | } |
1814 | 5b19d9a2 | Gerd Hoffmann | device_init(ohci_register); |