root / hw / usb-ohci.c @ a46007a0
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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 | 9596ebb7 | pbrook | #include "pxa.h" |
34 | ac611340 | aurel32 | #include "devices.h" |
35 | 0d92ed30 | pbrook | |
36 | 0d92ed30 | pbrook | //#define DEBUG_OHCI
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37 | 0d92ed30 | pbrook | /* Dump packet contents. */
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38 | 0d92ed30 | pbrook | //#define DEBUG_PACKET
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39 | 7bfe5777 | balrog | //#define DEBUG_ISOCH
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40 | 0d92ed30 | pbrook | /* This causes frames to occur 1000x slower */
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41 | 0d92ed30 | pbrook | //#define OHCI_TIME_WARP 1
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42 | 0d92ed30 | pbrook | |
43 | 0d92ed30 | pbrook | #ifdef DEBUG_OHCI
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44 | 0d92ed30 | pbrook | #define dprintf printf
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45 | 0d92ed30 | pbrook | #else
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46 | 0d92ed30 | pbrook | #define dprintf(...)
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47 | 0d92ed30 | pbrook | #endif
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48 | 0d92ed30 | pbrook | |
49 | 0d92ed30 | pbrook | /* Number of Downstream Ports on the root hub. */
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50 | 0d92ed30 | pbrook | |
51 | 0d92ed30 | pbrook | #define OHCI_MAX_PORTS 15 |
52 | 0d92ed30 | pbrook | |
53 | 0d92ed30 | pbrook | static int64_t usb_frame_time;
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54 | 0d92ed30 | pbrook | static int64_t usb_bit_time;
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55 | 0d92ed30 | pbrook | |
56 | 0d92ed30 | pbrook | typedef struct OHCIPort { |
57 | 0d92ed30 | pbrook | USBPort port; |
58 | 0d92ed30 | pbrook | uint32_t ctrl; |
59 | 0d92ed30 | pbrook | } OHCIPort; |
60 | 0d92ed30 | pbrook | |
61 | e24ad6f1 | pbrook | enum ohci_type {
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62 | e24ad6f1 | pbrook | OHCI_TYPE_PCI, |
63 | ac611340 | aurel32 | OHCI_TYPE_PXA, |
64 | ac611340 | aurel32 | OHCI_TYPE_SM501, |
65 | e24ad6f1 | pbrook | }; |
66 | e24ad6f1 | pbrook | |
67 | 0d92ed30 | pbrook | typedef struct { |
68 | d537cf6c | pbrook | qemu_irq irq; |
69 | e24ad6f1 | pbrook | enum ohci_type type;
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70 | 0d92ed30 | pbrook | int mem;
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71 | 0d92ed30 | pbrook | int num_ports;
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72 | e24ad6f1 | pbrook | const char *name; |
73 | 0d92ed30 | pbrook | |
74 | 0d92ed30 | pbrook | QEMUTimer *eof_timer; |
75 | 0d92ed30 | pbrook | int64_t sof_time; |
76 | 0d92ed30 | pbrook | |
77 | 0d92ed30 | pbrook | /* OHCI state */
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78 | 0d92ed30 | pbrook | /* Control partition */
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79 | 0d92ed30 | pbrook | uint32_t ctl, status; |
80 | 0d92ed30 | pbrook | uint32_t intr_status; |
81 | 0d92ed30 | pbrook | uint32_t intr; |
82 | 0d92ed30 | pbrook | |
83 | 0d92ed30 | pbrook | /* memory pointer partition */
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84 | 0d92ed30 | pbrook | uint32_t hcca; |
85 | 0d92ed30 | pbrook | uint32_t ctrl_head, ctrl_cur; |
86 | 0d92ed30 | pbrook | uint32_t bulk_head, bulk_cur; |
87 | 0d92ed30 | pbrook | uint32_t per_cur; |
88 | 0d92ed30 | pbrook | uint32_t done; |
89 | 0d92ed30 | pbrook | int done_count;
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90 | 0d92ed30 | pbrook | |
91 | 0d92ed30 | pbrook | /* Frame counter partition */
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92 | 0d92ed30 | pbrook | uint32_t fsmps:15;
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93 | 0d92ed30 | pbrook | uint32_t fit:1;
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94 | 0d92ed30 | pbrook | uint32_t fi:14;
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95 | 0d92ed30 | pbrook | uint32_t frt:1;
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96 | 0d92ed30 | pbrook | uint16_t frame_number; |
97 | 0d92ed30 | pbrook | uint16_t padding; |
98 | 0d92ed30 | pbrook | uint32_t pstart; |
99 | 0d92ed30 | pbrook | uint32_t lst; |
100 | 0d92ed30 | pbrook | |
101 | 0d92ed30 | pbrook | /* Root Hub partition */
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102 | 0d92ed30 | pbrook | uint32_t rhdesc_a, rhdesc_b; |
103 | 0d92ed30 | pbrook | uint32_t rhstatus; |
104 | 0d92ed30 | pbrook | OHCIPort rhport[OHCI_MAX_PORTS]; |
105 | 4d611c9a | pbrook | |
106 | e24ad6f1 | pbrook | /* PXA27x Non-OHCI events */
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107 | e24ad6f1 | pbrook | uint32_t hstatus; |
108 | e24ad6f1 | pbrook | uint32_t hmask; |
109 | e24ad6f1 | pbrook | uint32_t hreset; |
110 | e24ad6f1 | pbrook | uint32_t htest; |
111 | e24ad6f1 | pbrook | |
112 | ac611340 | aurel32 | /* SM501 local memory offset */
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113 | ac611340 | aurel32 | target_phys_addr_t localmem_base; |
114 | ac611340 | aurel32 | |
115 | 4d611c9a | pbrook | /* Active packets. */
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116 | 4d611c9a | pbrook | uint32_t old_ctl; |
117 | 4d611c9a | pbrook | USBPacket usb_packet; |
118 | 4d611c9a | pbrook | uint8_t usb_buf[8192];
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119 | 4d611c9a | pbrook | uint32_t async_td; |
120 | 4d611c9a | pbrook | int async_complete;
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121 | 4d611c9a | pbrook | |
122 | 0d92ed30 | pbrook | } OHCIState; |
123 | 0d92ed30 | pbrook | |
124 | 0d92ed30 | pbrook | /* Host Controller Communications Area */
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125 | 0d92ed30 | pbrook | struct ohci_hcca {
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126 | 0d92ed30 | pbrook | uint32_t intr[32];
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127 | 0d92ed30 | pbrook | uint16_t frame, pad; |
128 | 0d92ed30 | pbrook | uint32_t done; |
129 | 0d92ed30 | pbrook | }; |
130 | 0d92ed30 | pbrook | |
131 | 73221b12 | ths | static void ohci_bus_stop(OHCIState *ohci); |
132 | 73221b12 | ths | |
133 | 0d92ed30 | pbrook | /* Bitfields for the first word of an Endpoint Desciptor. */
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134 | 0d92ed30 | pbrook | #define OHCI_ED_FA_SHIFT 0 |
135 | 0d92ed30 | pbrook | #define OHCI_ED_FA_MASK (0x7f<<OHCI_ED_FA_SHIFT) |
136 | 0d92ed30 | pbrook | #define OHCI_ED_EN_SHIFT 7 |
137 | 0d92ed30 | pbrook | #define OHCI_ED_EN_MASK (0xf<<OHCI_ED_EN_SHIFT) |
138 | 0d92ed30 | pbrook | #define OHCI_ED_D_SHIFT 11 |
139 | 0d92ed30 | pbrook | #define OHCI_ED_D_MASK (3<<OHCI_ED_D_SHIFT) |
140 | 0d92ed30 | pbrook | #define OHCI_ED_S (1<<13) |
141 | 0d92ed30 | pbrook | #define OHCI_ED_K (1<<14) |
142 | 0d92ed30 | pbrook | #define OHCI_ED_F (1<<15) |
143 | 7bfe5777 | balrog | #define OHCI_ED_MPS_SHIFT 16 |
144 | 7bfe5777 | balrog | #define OHCI_ED_MPS_MASK (0x7ff<<OHCI_ED_MPS_SHIFT) |
145 | 0d92ed30 | pbrook | |
146 | 0d92ed30 | pbrook | /* Flags in the head field of an Endpoint Desciptor. */
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147 | 0d92ed30 | pbrook | #define OHCI_ED_H 1 |
148 | 0d92ed30 | pbrook | #define OHCI_ED_C 2 |
149 | 0d92ed30 | pbrook | |
150 | 0d92ed30 | pbrook | /* Bitfields for the first word of a Transfer Desciptor. */
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151 | 0d92ed30 | pbrook | #define OHCI_TD_R (1<<18) |
152 | 0d92ed30 | pbrook | #define OHCI_TD_DP_SHIFT 19 |
153 | 0d92ed30 | pbrook | #define OHCI_TD_DP_MASK (3<<OHCI_TD_DP_SHIFT) |
154 | 0d92ed30 | pbrook | #define OHCI_TD_DI_SHIFT 21 |
155 | 0d92ed30 | pbrook | #define OHCI_TD_DI_MASK (7<<OHCI_TD_DI_SHIFT) |
156 | 0d92ed30 | pbrook | #define OHCI_TD_T0 (1<<24) |
157 | 0d92ed30 | pbrook | #define OHCI_TD_T1 (1<<24) |
158 | 0d92ed30 | pbrook | #define OHCI_TD_EC_SHIFT 26 |
159 | 0d92ed30 | pbrook | #define OHCI_TD_EC_MASK (3<<OHCI_TD_EC_SHIFT) |
160 | 0d92ed30 | pbrook | #define OHCI_TD_CC_SHIFT 28 |
161 | 0d92ed30 | pbrook | #define OHCI_TD_CC_MASK (0xf<<OHCI_TD_CC_SHIFT) |
162 | 0d92ed30 | pbrook | |
163 | 7bfe5777 | balrog | /* Bitfields for the first word of an Isochronous Transfer Desciptor. */
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164 | 7bfe5777 | balrog | /* CC & DI - same as in the General Transfer Desciptor */
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165 | 7bfe5777 | balrog | #define OHCI_TD_SF_SHIFT 0 |
166 | 7bfe5777 | balrog | #define OHCI_TD_SF_MASK (0xffff<<OHCI_TD_SF_SHIFT) |
167 | 7bfe5777 | balrog | #define OHCI_TD_FC_SHIFT 24 |
168 | 7bfe5777 | balrog | #define OHCI_TD_FC_MASK (7<<OHCI_TD_FC_SHIFT) |
169 | 7bfe5777 | balrog | |
170 | 7bfe5777 | balrog | /* Isochronous Transfer Desciptor - Offset / PacketStatusWord */
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171 | 7bfe5777 | balrog | #define OHCI_TD_PSW_CC_SHIFT 12 |
172 | 7bfe5777 | balrog | #define OHCI_TD_PSW_CC_MASK (0xf<<OHCI_TD_PSW_CC_SHIFT) |
173 | 7bfe5777 | balrog | #define OHCI_TD_PSW_SIZE_SHIFT 0 |
174 | 7bfe5777 | balrog | #define OHCI_TD_PSW_SIZE_MASK (0xfff<<OHCI_TD_PSW_SIZE_SHIFT) |
175 | 7bfe5777 | balrog | |
176 | 7bfe5777 | balrog | #define OHCI_PAGE_MASK 0xfffff000 |
177 | 7bfe5777 | balrog | #define OHCI_OFFSET_MASK 0xfff |
178 | 7bfe5777 | balrog | |
179 | 0d92ed30 | pbrook | #define OHCI_DPTR_MASK 0xfffffff0 |
180 | 0d92ed30 | pbrook | |
181 | 0d92ed30 | pbrook | #define OHCI_BM(val, field) \
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182 | 0d92ed30 | pbrook | (((val) & OHCI_##field##_MASK) >> OHCI_##field##_SHIFT) |
183 | 0d92ed30 | pbrook | |
184 | 0d92ed30 | pbrook | #define OHCI_SET_BM(val, field, newval) do { \ |
185 | 0d92ed30 | pbrook | val &= ~OHCI_##field##_MASK; \ |
186 | 0d92ed30 | pbrook | val |= ((newval) << OHCI_##field##_SHIFT) & OHCI_##field##_MASK; \ |
187 | 0d92ed30 | pbrook | } while(0) |
188 | 0d92ed30 | pbrook | |
189 | 0d92ed30 | pbrook | /* endpoint descriptor */
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190 | 0d92ed30 | pbrook | struct ohci_ed {
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191 | 0d92ed30 | pbrook | uint32_t flags; |
192 | 0d92ed30 | pbrook | uint32_t tail; |
193 | 0d92ed30 | pbrook | uint32_t head; |
194 | 0d92ed30 | pbrook | uint32_t next; |
195 | 0d92ed30 | pbrook | }; |
196 | 0d92ed30 | pbrook | |
197 | 0d92ed30 | pbrook | /* General transfer descriptor */
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198 | 0d92ed30 | pbrook | struct ohci_td {
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199 | 0d92ed30 | pbrook | uint32_t flags; |
200 | 0d92ed30 | pbrook | uint32_t cbp; |
201 | 0d92ed30 | pbrook | uint32_t next; |
202 | 0d92ed30 | pbrook | uint32_t be; |
203 | 0d92ed30 | pbrook | }; |
204 | 0d92ed30 | pbrook | |
205 | 7bfe5777 | balrog | /* Isochronous transfer descriptor */
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206 | 7bfe5777 | balrog | struct ohci_iso_td {
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207 | 7bfe5777 | balrog | uint32_t flags; |
208 | 7bfe5777 | balrog | uint32_t bp; |
209 | 7bfe5777 | balrog | uint32_t next; |
210 | 7bfe5777 | balrog | uint32_t be; |
211 | 7bfe5777 | balrog | uint16_t offset[8];
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212 | 7bfe5777 | balrog | }; |
213 | 7bfe5777 | balrog | |
214 | 0d92ed30 | pbrook | #define USB_HZ 12000000 |
215 | 0d92ed30 | pbrook | |
216 | 0d92ed30 | pbrook | /* OHCI Local stuff */
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217 | 0d92ed30 | pbrook | #define OHCI_CTL_CBSR ((1<<0)|(1<<1)) |
218 | 0d92ed30 | pbrook | #define OHCI_CTL_PLE (1<<2) |
219 | 0d92ed30 | pbrook | #define OHCI_CTL_IE (1<<3) |
220 | 0d92ed30 | pbrook | #define OHCI_CTL_CLE (1<<4) |
221 | 0d92ed30 | pbrook | #define OHCI_CTL_BLE (1<<5) |
222 | 0d92ed30 | pbrook | #define OHCI_CTL_HCFS ((1<<6)|(1<<7)) |
223 | 0d92ed30 | pbrook | #define OHCI_USB_RESET 0x00 |
224 | 0d92ed30 | pbrook | #define OHCI_USB_RESUME 0x40 |
225 | 0d92ed30 | pbrook | #define OHCI_USB_OPERATIONAL 0x80 |
226 | 0d92ed30 | pbrook | #define OHCI_USB_SUSPEND 0xc0 |
227 | 0d92ed30 | pbrook | #define OHCI_CTL_IR (1<<8) |
228 | 0d92ed30 | pbrook | #define OHCI_CTL_RWC (1<<9) |
229 | 0d92ed30 | pbrook | #define OHCI_CTL_RWE (1<<10) |
230 | 0d92ed30 | pbrook | |
231 | 0d92ed30 | pbrook | #define OHCI_STATUS_HCR (1<<0) |
232 | 0d92ed30 | pbrook | #define OHCI_STATUS_CLF (1<<1) |
233 | 0d92ed30 | pbrook | #define OHCI_STATUS_BLF (1<<2) |
234 | 0d92ed30 | pbrook | #define OHCI_STATUS_OCR (1<<3) |
235 | 0d92ed30 | pbrook | #define OHCI_STATUS_SOC ((1<<6)|(1<<7)) |
236 | 0d92ed30 | pbrook | |
237 | 0d92ed30 | pbrook | #define OHCI_INTR_SO (1<<0) /* Scheduling overrun */ |
238 | 0d92ed30 | pbrook | #define OHCI_INTR_WD (1<<1) /* HcDoneHead writeback */ |
239 | 0d92ed30 | pbrook | #define OHCI_INTR_SF (1<<2) /* Start of frame */ |
240 | 0d92ed30 | pbrook | #define OHCI_INTR_RD (1<<3) /* Resume detect */ |
241 | 0d92ed30 | pbrook | #define OHCI_INTR_UE (1<<4) /* Unrecoverable error */ |
242 | 0d92ed30 | pbrook | #define OHCI_INTR_FNO (1<<5) /* Frame number overflow */ |
243 | 0d92ed30 | pbrook | #define OHCI_INTR_RHSC (1<<6) /* Root hub status change */ |
244 | 0d92ed30 | pbrook | #define OHCI_INTR_OC (1<<30) /* Ownership change */ |
245 | 0d92ed30 | pbrook | #define OHCI_INTR_MIE (1<<31) /* Master Interrupt Enable */ |
246 | 0d92ed30 | pbrook | |
247 | 0d92ed30 | pbrook | #define OHCI_HCCA_SIZE 0x100 |
248 | 0d92ed30 | pbrook | #define OHCI_HCCA_MASK 0xffffff00 |
249 | 0d92ed30 | pbrook | |
250 | 0d92ed30 | pbrook | #define OHCI_EDPTR_MASK 0xfffffff0 |
251 | 0d92ed30 | pbrook | |
252 | 0d92ed30 | pbrook | #define OHCI_FMI_FI 0x00003fff |
253 | 0d92ed30 | pbrook | #define OHCI_FMI_FSMPS 0xffff0000 |
254 | 0d92ed30 | pbrook | #define OHCI_FMI_FIT 0x80000000 |
255 | 0d92ed30 | pbrook | |
256 | 0d92ed30 | pbrook | #define OHCI_FR_RT (1<<31) |
257 | 0d92ed30 | pbrook | |
258 | 0d92ed30 | pbrook | #define OHCI_LS_THRESH 0x628 |
259 | 0d92ed30 | pbrook | |
260 | 0d92ed30 | pbrook | #define OHCI_RHA_RW_MASK 0x00000000 /* Mask of supported features. */ |
261 | 0d92ed30 | pbrook | #define OHCI_RHA_PSM (1<<8) |
262 | 0d92ed30 | pbrook | #define OHCI_RHA_NPS (1<<9) |
263 | 0d92ed30 | pbrook | #define OHCI_RHA_DT (1<<10) |
264 | 0d92ed30 | pbrook | #define OHCI_RHA_OCPM (1<<11) |
265 | 0d92ed30 | pbrook | #define OHCI_RHA_NOCP (1<<12) |
266 | 0d92ed30 | pbrook | #define OHCI_RHA_POTPGT_MASK 0xff000000 |
267 | 0d92ed30 | pbrook | |
268 | 0d92ed30 | pbrook | #define OHCI_RHS_LPS (1<<0) |
269 | 0d92ed30 | pbrook | #define OHCI_RHS_OCI (1<<1) |
270 | 0d92ed30 | pbrook | #define OHCI_RHS_DRWE (1<<15) |
271 | 0d92ed30 | pbrook | #define OHCI_RHS_LPSC (1<<16) |
272 | 0d92ed30 | pbrook | #define OHCI_RHS_OCIC (1<<17) |
273 | 0d92ed30 | pbrook | #define OHCI_RHS_CRWE (1<<31) |
274 | 0d92ed30 | pbrook | |
275 | 0d92ed30 | pbrook | #define OHCI_PORT_CCS (1<<0) |
276 | 0d92ed30 | pbrook | #define OHCI_PORT_PES (1<<1) |
277 | 0d92ed30 | pbrook | #define OHCI_PORT_PSS (1<<2) |
278 | 0d92ed30 | pbrook | #define OHCI_PORT_POCI (1<<3) |
279 | 0d92ed30 | pbrook | #define OHCI_PORT_PRS (1<<4) |
280 | 0d92ed30 | pbrook | #define OHCI_PORT_PPS (1<<8) |
281 | 0d92ed30 | pbrook | #define OHCI_PORT_LSDA (1<<9) |
282 | 0d92ed30 | pbrook | #define OHCI_PORT_CSC (1<<16) |
283 | 0d92ed30 | pbrook | #define OHCI_PORT_PESC (1<<17) |
284 | 0d92ed30 | pbrook | #define OHCI_PORT_PSSC (1<<18) |
285 | 0d92ed30 | pbrook | #define OHCI_PORT_OCIC (1<<19) |
286 | 0d92ed30 | pbrook | #define OHCI_PORT_PRSC (1<<20) |
287 | 0d92ed30 | pbrook | #define OHCI_PORT_WTC (OHCI_PORT_CSC|OHCI_PORT_PESC|OHCI_PORT_PSSC \
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288 | 0d92ed30 | pbrook | |OHCI_PORT_OCIC|OHCI_PORT_PRSC) |
289 | 0d92ed30 | pbrook | |
290 | 0d92ed30 | pbrook | #define OHCI_TD_DIR_SETUP 0x0 |
291 | 0d92ed30 | pbrook | #define OHCI_TD_DIR_OUT 0x1 |
292 | 0d92ed30 | pbrook | #define OHCI_TD_DIR_IN 0x2 |
293 | 0d92ed30 | pbrook | #define OHCI_TD_DIR_RESERVED 0x3 |
294 | 0d92ed30 | pbrook | |
295 | 0d92ed30 | pbrook | #define OHCI_CC_NOERROR 0x0 |
296 | 0d92ed30 | pbrook | #define OHCI_CC_CRC 0x1 |
297 | 0d92ed30 | pbrook | #define OHCI_CC_BITSTUFFING 0x2 |
298 | 0d92ed30 | pbrook | #define OHCI_CC_DATATOGGLEMISMATCH 0x3 |
299 | 0d92ed30 | pbrook | #define OHCI_CC_STALL 0x4 |
300 | 0d92ed30 | pbrook | #define OHCI_CC_DEVICENOTRESPONDING 0x5 |
301 | 0d92ed30 | pbrook | #define OHCI_CC_PIDCHECKFAILURE 0x6 |
302 | 0d92ed30 | pbrook | #define OHCI_CC_UNDEXPETEDPID 0x7 |
303 | 0d92ed30 | pbrook | #define OHCI_CC_DATAOVERRUN 0x8 |
304 | 0d92ed30 | pbrook | #define OHCI_CC_DATAUNDERRUN 0x9 |
305 | 0d92ed30 | pbrook | #define OHCI_CC_BUFFEROVERRUN 0xc |
306 | 0d92ed30 | pbrook | #define OHCI_CC_BUFFERUNDERRUN 0xd |
307 | 0d92ed30 | pbrook | |
308 | e24ad6f1 | pbrook | #define OHCI_HRESET_FSBIR (1 << 0) |
309 | e24ad6f1 | pbrook | |
310 | 61064870 | pbrook | /* Update IRQ levels */
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311 | 61064870 | pbrook | static inline void ohci_intr_update(OHCIState *ohci) |
312 | 61064870 | pbrook | { |
313 | 61064870 | pbrook | int level = 0; |
314 | 61064870 | pbrook | |
315 | 61064870 | pbrook | if ((ohci->intr & OHCI_INTR_MIE) &&
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316 | 61064870 | pbrook | (ohci->intr_status & ohci->intr)) |
317 | 61064870 | pbrook | level = 1;
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318 | 61064870 | pbrook | |
319 | d537cf6c | pbrook | qemu_set_irq(ohci->irq, level); |
320 | 61064870 | pbrook | } |
321 | 61064870 | pbrook | |
322 | 61064870 | pbrook | /* Set an interrupt */
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323 | 61064870 | pbrook | static inline void ohci_set_interrupt(OHCIState *ohci, uint32_t intr) |
324 | 61064870 | pbrook | { |
325 | 61064870 | pbrook | ohci->intr_status |= intr; |
326 | 61064870 | pbrook | ohci_intr_update(ohci); |
327 | 61064870 | pbrook | } |
328 | 61064870 | pbrook | |
329 | 61064870 | pbrook | /* Attach or detach a device on a root hub port. */
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330 | 0d92ed30 | pbrook | static void ohci_attach(USBPort *port1, USBDevice *dev) |
331 | 0d92ed30 | pbrook | { |
332 | 0d92ed30 | pbrook | OHCIState *s = port1->opaque; |
333 | 0d92ed30 | pbrook | OHCIPort *port = &s->rhport[port1->index]; |
334 | 61064870 | pbrook | uint32_t old_state = port->ctrl; |
335 | 0d92ed30 | pbrook | |
336 | 0d92ed30 | pbrook | if (dev) {
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337 | 0d92ed30 | pbrook | if (port->port.dev) {
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338 | 0d92ed30 | pbrook | usb_attach(port1, NULL);
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339 | 0d92ed30 | pbrook | } |
340 | 0d92ed30 | pbrook | /* set connect status */
|
341 | 61064870 | pbrook | port->ctrl |= OHCI_PORT_CCS | OHCI_PORT_CSC; |
342 | 61064870 | pbrook | |
343 | 0d92ed30 | pbrook | /* update speed */
|
344 | 0d92ed30 | pbrook | if (dev->speed == USB_SPEED_LOW)
|
345 | 0d92ed30 | pbrook | port->ctrl |= OHCI_PORT_LSDA; |
346 | 0d92ed30 | pbrook | else
|
347 | 0d92ed30 | pbrook | port->ctrl &= ~OHCI_PORT_LSDA; |
348 | 0d92ed30 | pbrook | port->port.dev = dev; |
349 | e24ad6f1 | pbrook | |
350 | e24ad6f1 | pbrook | /* notify of remote-wakeup */
|
351 | e24ad6f1 | pbrook | if ((s->ctl & OHCI_CTL_HCFS) == OHCI_USB_SUSPEND)
|
352 | e24ad6f1 | pbrook | ohci_set_interrupt(s, OHCI_INTR_RD); |
353 | e24ad6f1 | pbrook | |
354 | 0d92ed30 | pbrook | /* send the attach message */
|
355 | 4d611c9a | pbrook | usb_send_msg(dev, USB_MSG_ATTACH); |
356 | 0d92ed30 | pbrook | dprintf("usb-ohci: Attached port %d\n", port1->index);
|
357 | 0d92ed30 | pbrook | } else {
|
358 | 0d92ed30 | pbrook | /* set connect status */
|
359 | 61064870 | pbrook | if (port->ctrl & OHCI_PORT_CCS) {
|
360 | 61064870 | pbrook | port->ctrl &= ~OHCI_PORT_CCS; |
361 | 61064870 | pbrook | port->ctrl |= OHCI_PORT_CSC; |
362 | 0d92ed30 | pbrook | } |
363 | 0d92ed30 | pbrook | /* disable port */
|
364 | 0d92ed30 | pbrook | if (port->ctrl & OHCI_PORT_PES) {
|
365 | 0d92ed30 | pbrook | port->ctrl &= ~OHCI_PORT_PES; |
366 | 0d92ed30 | pbrook | port->ctrl |= OHCI_PORT_PESC; |
367 | 0d92ed30 | pbrook | } |
368 | 0d92ed30 | pbrook | dev = port->port.dev; |
369 | 0d92ed30 | pbrook | if (dev) {
|
370 | 0d92ed30 | pbrook | /* send the detach message */
|
371 | 4d611c9a | pbrook | usb_send_msg(dev, USB_MSG_DETACH); |
372 | 0d92ed30 | pbrook | } |
373 | 0d92ed30 | pbrook | port->port.dev = NULL;
|
374 | 0d92ed30 | pbrook | dprintf("usb-ohci: Detached port %d\n", port1->index);
|
375 | 0d92ed30 | pbrook | } |
376 | 61064870 | pbrook | |
377 | 61064870 | pbrook | if (old_state != port->ctrl)
|
378 | 61064870 | pbrook | ohci_set_interrupt(s, OHCI_INTR_RHSC); |
379 | 0d92ed30 | pbrook | } |
380 | 0d92ed30 | pbrook | |
381 | 0d92ed30 | pbrook | /* Reset the controller */
|
382 | 73221b12 | ths | static void ohci_reset(void *opaque) |
383 | 0d92ed30 | pbrook | { |
384 | 73221b12 | ths | OHCIState *ohci = opaque; |
385 | 0d92ed30 | pbrook | OHCIPort *port; |
386 | 0d92ed30 | pbrook | int i;
|
387 | 0d92ed30 | pbrook | |
388 | 73221b12 | ths | ohci_bus_stop(ohci); |
389 | 0d92ed30 | pbrook | ohci->ctl = 0;
|
390 | 4d611c9a | pbrook | ohci->old_ctl = 0;
|
391 | 0d92ed30 | pbrook | ohci->status = 0;
|
392 | 0d92ed30 | pbrook | ohci->intr_status = 0;
|
393 | 0d92ed30 | pbrook | ohci->intr = OHCI_INTR_MIE; |
394 | 0d92ed30 | pbrook | |
395 | 0d92ed30 | pbrook | ohci->hcca = 0;
|
396 | 0d92ed30 | pbrook | ohci->ctrl_head = ohci->ctrl_cur = 0;
|
397 | 0d92ed30 | pbrook | ohci->bulk_head = ohci->bulk_cur = 0;
|
398 | 0d92ed30 | pbrook | ohci->per_cur = 0;
|
399 | 0d92ed30 | pbrook | ohci->done = 0;
|
400 | 0d92ed30 | pbrook | ohci->done_count = 7;
|
401 | 0d92ed30 | pbrook | |
402 | 0d92ed30 | pbrook | /* FSMPS is marked TBD in OCHI 1.0, what gives ffs?
|
403 | 0d92ed30 | pbrook | * I took the value linux sets ...
|
404 | 0d92ed30 | pbrook | */
|
405 | 0d92ed30 | pbrook | ohci->fsmps = 0x2778;
|
406 | 0d92ed30 | pbrook | ohci->fi = 0x2edf;
|
407 | 0d92ed30 | pbrook | ohci->fit = 0;
|
408 | 0d92ed30 | pbrook | ohci->frt = 0;
|
409 | 0d92ed30 | pbrook | ohci->frame_number = 0;
|
410 | 0d92ed30 | pbrook | ohci->pstart = 0;
|
411 | 0d92ed30 | pbrook | ohci->lst = OHCI_LS_THRESH; |
412 | 0d92ed30 | pbrook | |
413 | 0d92ed30 | pbrook | ohci->rhdesc_a = OHCI_RHA_NPS | ohci->num_ports; |
414 | 0d92ed30 | pbrook | ohci->rhdesc_b = 0x0; /* Impl. specific */ |
415 | 0d92ed30 | pbrook | ohci->rhstatus = 0;
|
416 | 0d92ed30 | pbrook | |
417 | 0d92ed30 | pbrook | for (i = 0; i < ohci->num_ports; i++) |
418 | 0d92ed30 | pbrook | { |
419 | 0d92ed30 | pbrook | port = &ohci->rhport[i]; |
420 | 0d92ed30 | pbrook | port->ctrl = 0;
|
421 | 0d92ed30 | pbrook | if (port->port.dev)
|
422 | 0d92ed30 | pbrook | ohci_attach(&port->port, port->port.dev); |
423 | 0d92ed30 | pbrook | } |
424 | 4d611c9a | pbrook | if (ohci->async_td) {
|
425 | 4d611c9a | pbrook | usb_cancel_packet(&ohci->usb_packet); |
426 | 4d611c9a | pbrook | ohci->async_td = 0;
|
427 | 4d611c9a | pbrook | } |
428 | e24ad6f1 | pbrook | dprintf("usb-ohci: Reset %s\n", ohci->name);
|
429 | 0d92ed30 | pbrook | } |
430 | 0d92ed30 | pbrook | |
431 | 0d92ed30 | pbrook | /* Get an array of dwords from main memory */
|
432 | ac611340 | aurel32 | static inline int get_dwords(OHCIState *ohci, |
433 | ac611340 | aurel32 | uint32_t addr, uint32_t *buf, int num)
|
434 | 0d92ed30 | pbrook | { |
435 | 0d92ed30 | pbrook | int i;
|
436 | 0d92ed30 | pbrook | |
437 | ac611340 | aurel32 | addr += ohci->localmem_base; |
438 | ac611340 | aurel32 | |
439 | 0d92ed30 | pbrook | for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { |
440 | 0d92ed30 | pbrook | cpu_physical_memory_rw(addr, (uint8_t *)buf, sizeof(*buf), 0); |
441 | 0d92ed30 | pbrook | *buf = le32_to_cpu(*buf); |
442 | 0d92ed30 | pbrook | } |
443 | 0d92ed30 | pbrook | |
444 | 0d92ed30 | pbrook | return 1; |
445 | 0d92ed30 | pbrook | } |
446 | 0d92ed30 | pbrook | |
447 | 0d92ed30 | pbrook | /* Put an array of dwords in to main memory */
|
448 | ac611340 | aurel32 | static inline int put_dwords(OHCIState *ohci, |
449 | ac611340 | aurel32 | uint32_t addr, uint32_t *buf, int num)
|
450 | 0d92ed30 | pbrook | { |
451 | 0d92ed30 | pbrook | int i;
|
452 | 0d92ed30 | pbrook | |
453 | ac611340 | aurel32 | addr += ohci->localmem_base; |
454 | ac611340 | aurel32 | |
455 | 0d92ed30 | pbrook | for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { |
456 | 0d92ed30 | pbrook | uint32_t tmp = cpu_to_le32(*buf); |
457 | 0d92ed30 | pbrook | cpu_physical_memory_rw(addr, (uint8_t *)&tmp, sizeof(tmp), 1); |
458 | 0d92ed30 | pbrook | } |
459 | 0d92ed30 | pbrook | |
460 | 0d92ed30 | pbrook | return 1; |
461 | 0d92ed30 | pbrook | } |
462 | 0d92ed30 | pbrook | |
463 | 7bfe5777 | balrog | /* Get an array of words from main memory */
|
464 | ac611340 | aurel32 | static inline int get_words(OHCIState *ohci, |
465 | ac611340 | aurel32 | uint32_t addr, uint16_t *buf, int num)
|
466 | 7bfe5777 | balrog | { |
467 | 7bfe5777 | balrog | int i;
|
468 | 7bfe5777 | balrog | |
469 | ac611340 | aurel32 | addr += ohci->localmem_base; |
470 | ac611340 | aurel32 | |
471 | 7bfe5777 | balrog | for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { |
472 | 7bfe5777 | balrog | cpu_physical_memory_rw(addr, (uint8_t *)buf, sizeof(*buf), 0); |
473 | 7bfe5777 | balrog | *buf = le16_to_cpu(*buf); |
474 | 7bfe5777 | balrog | } |
475 | 7bfe5777 | balrog | |
476 | 7bfe5777 | balrog | return 1; |
477 | 7bfe5777 | balrog | } |
478 | 7bfe5777 | balrog | |
479 | 7bfe5777 | balrog | /* Put an array of words in to main memory */
|
480 | ac611340 | aurel32 | static inline int put_words(OHCIState *ohci, |
481 | ac611340 | aurel32 | uint32_t addr, uint16_t *buf, int num)
|
482 | 7bfe5777 | balrog | { |
483 | 7bfe5777 | balrog | int i;
|
484 | 7bfe5777 | balrog | |
485 | ac611340 | aurel32 | addr += ohci->localmem_base; |
486 | ac611340 | aurel32 | |
487 | 7bfe5777 | balrog | for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { |
488 | 7bfe5777 | balrog | uint16_t tmp = cpu_to_le16(*buf); |
489 | 7bfe5777 | balrog | cpu_physical_memory_rw(addr, (uint8_t *)&tmp, sizeof(tmp), 1); |
490 | 7bfe5777 | balrog | } |
491 | 7bfe5777 | balrog | |
492 | 7bfe5777 | balrog | return 1; |
493 | 7bfe5777 | balrog | } |
494 | 7bfe5777 | balrog | |
495 | ac611340 | aurel32 | static inline int ohci_read_ed(OHCIState *ohci, |
496 | ac611340 | aurel32 | uint32_t addr, struct ohci_ed *ed)
|
497 | 0d92ed30 | pbrook | { |
498 | ac611340 | aurel32 | return get_dwords(ohci, addr, (uint32_t *)ed, sizeof(*ed) >> 2); |
499 | 0d92ed30 | pbrook | } |
500 | 0d92ed30 | pbrook | |
501 | ac611340 | aurel32 | static inline int ohci_read_td(OHCIState *ohci, |
502 | ac611340 | aurel32 | uint32_t addr, struct ohci_td *td)
|
503 | 0d92ed30 | pbrook | { |
504 | ac611340 | aurel32 | return get_dwords(ohci, addr, (uint32_t *)td, sizeof(*td) >> 2); |
505 | 0d92ed30 | pbrook | } |
506 | 0d92ed30 | pbrook | |
507 | ac611340 | aurel32 | static inline int ohci_read_iso_td(OHCIState *ohci, |
508 | ac611340 | aurel32 | uint32_t addr, struct ohci_iso_td *td)
|
509 | 7bfe5777 | balrog | { |
510 | ac611340 | aurel32 | return (get_dwords(ohci, addr, (uint32_t *)td, 4) && |
511 | ac611340 | aurel32 | get_words(ohci, addr + 16, td->offset, 8)); |
512 | 7bfe5777 | balrog | } |
513 | 7bfe5777 | balrog | |
514 | ac611340 | aurel32 | static inline int ohci_read_hcca(OHCIState *ohci, |
515 | ac611340 | aurel32 | uint32_t addr, struct ohci_hcca *hcca)
|
516 | 0d92ed30 | pbrook | { |
517 | ac611340 | aurel32 | cpu_physical_memory_rw(addr + ohci->localmem_base, |
518 | ac611340 | aurel32 | (uint8_t *)hcca, sizeof(*hcca), 0); |
519 | ac611340 | aurel32 | return 1; |
520 | 0d92ed30 | pbrook | } |
521 | 0d92ed30 | pbrook | |
522 | ac611340 | aurel32 | static inline int ohci_put_ed(OHCIState *ohci, |
523 | ac611340 | aurel32 | uint32_t addr, struct ohci_ed *ed)
|
524 | 0d92ed30 | pbrook | { |
525 | ac611340 | aurel32 | return put_dwords(ohci, addr, (uint32_t *)ed, sizeof(*ed) >> 2); |
526 | 0d92ed30 | pbrook | } |
527 | 0d92ed30 | pbrook | |
528 | ac611340 | aurel32 | static inline int ohci_put_td(OHCIState *ohci, |
529 | ac611340 | aurel32 | uint32_t addr, struct ohci_td *td)
|
530 | 7bfe5777 | balrog | { |
531 | ac611340 | aurel32 | return put_dwords(ohci, addr, (uint32_t *)td, sizeof(*td) >> 2); |
532 | ac611340 | aurel32 | } |
533 | ac611340 | aurel32 | |
534 | ac611340 | aurel32 | static inline int ohci_put_iso_td(OHCIState *ohci, |
535 | ac611340 | aurel32 | uint32_t addr, struct ohci_iso_td *td)
|
536 | ac611340 | aurel32 | { |
537 | ac611340 | aurel32 | return (put_dwords(ohci, addr, (uint32_t *)td, 4) && |
538 | ac611340 | aurel32 | put_words(ohci, addr + 16, td->offset, 8)); |
539 | ac611340 | aurel32 | } |
540 | ac611340 | aurel32 | |
541 | ac611340 | aurel32 | static inline int ohci_put_hcca(OHCIState *ohci, |
542 | ac611340 | aurel32 | uint32_t addr, struct ohci_hcca *hcca)
|
543 | ac611340 | aurel32 | { |
544 | ac611340 | aurel32 | cpu_physical_memory_rw(addr + ohci->localmem_base, |
545 | ac611340 | aurel32 | (uint8_t *)hcca, sizeof(*hcca), 1); |
546 | ac611340 | aurel32 | return 1; |
547 | 7bfe5777 | balrog | } |
548 | 7bfe5777 | balrog | |
549 | 0d92ed30 | pbrook | /* Read/Write the contents of a TD from/to main memory. */
|
550 | ac611340 | aurel32 | static void ohci_copy_td(OHCIState *ohci, struct ohci_td *td, |
551 | ac611340 | aurel32 | uint8_t *buf, int len, int write) |
552 | 0d92ed30 | pbrook | { |
553 | 0d92ed30 | pbrook | uint32_t ptr; |
554 | 0d92ed30 | pbrook | uint32_t n; |
555 | 0d92ed30 | pbrook | |
556 | 0d92ed30 | pbrook | ptr = td->cbp; |
557 | 0d92ed30 | pbrook | n = 0x1000 - (ptr & 0xfff); |
558 | 0d92ed30 | pbrook | if (n > len)
|
559 | 0d92ed30 | pbrook | n = len; |
560 | ac611340 | aurel32 | cpu_physical_memory_rw(ptr + ohci->localmem_base, buf, n, write); |
561 | 0d92ed30 | pbrook | if (n == len)
|
562 | 0d92ed30 | pbrook | return;
|
563 | 0d92ed30 | pbrook | ptr = td->be & ~0xfffu;
|
564 | e6f3e5e0 | pbrook | buf += n; |
565 | ac611340 | aurel32 | cpu_physical_memory_rw(ptr + ohci->localmem_base, buf, len - n, write); |
566 | 0d92ed30 | pbrook | } |
567 | 0d92ed30 | pbrook | |
568 | 7bfe5777 | balrog | /* Read/Write the contents of an ISO TD from/to main memory. */
|
569 | ac611340 | aurel32 | static void ohci_copy_iso_td(OHCIState *ohci, |
570 | ac611340 | aurel32 | uint32_t start_addr, uint32_t end_addr, |
571 | 7bfe5777 | balrog | uint8_t *buf, int len, int write) |
572 | 7bfe5777 | balrog | { |
573 | 7bfe5777 | balrog | uint32_t ptr; |
574 | 7bfe5777 | balrog | uint32_t n; |
575 | 4d611c9a | pbrook | |
576 | 7bfe5777 | balrog | ptr = start_addr; |
577 | 7bfe5777 | balrog | n = 0x1000 - (ptr & 0xfff); |
578 | 7bfe5777 | balrog | if (n > len)
|
579 | 7bfe5777 | balrog | n = len; |
580 | ac611340 | aurel32 | cpu_physical_memory_rw(ptr + ohci->localmem_base, buf, n, write); |
581 | 7bfe5777 | balrog | if (n == len)
|
582 | 7bfe5777 | balrog | return;
|
583 | 7bfe5777 | balrog | ptr = end_addr & ~0xfffu;
|
584 | 7bfe5777 | balrog | buf += n; |
585 | ac611340 | aurel32 | cpu_physical_memory_rw(ptr + ohci->localmem_base, buf, len - n, write); |
586 | 7bfe5777 | balrog | } |
587 | 7bfe5777 | balrog | |
588 | 7bfe5777 | balrog | static void ohci_process_lists(OHCIState *ohci, int completion); |
589 | 7bfe5777 | balrog | |
590 | 7bfe5777 | balrog | static void ohci_async_complete_packet(USBPacket *packet, void *opaque) |
591 | 4d611c9a | pbrook | { |
592 | 4d611c9a | pbrook | OHCIState *ohci = opaque; |
593 | 4d611c9a | pbrook | #ifdef DEBUG_PACKET
|
594 | 4d611c9a | pbrook | dprintf("Async packet complete\n");
|
595 | 4d611c9a | pbrook | #endif
|
596 | 4d611c9a | pbrook | ohci->async_complete = 1;
|
597 | 7bfe5777 | balrog | ohci_process_lists(ohci, 1);
|
598 | 7bfe5777 | balrog | } |
599 | 7bfe5777 | balrog | |
600 | 7bfe5777 | balrog | #define USUB(a, b) ((int16_t)((uint16_t)(a) - (uint16_t)(b)))
|
601 | 7bfe5777 | balrog | |
602 | 7bfe5777 | balrog | static int ohci_service_iso_td(OHCIState *ohci, struct ohci_ed *ed, |
603 | 7bfe5777 | balrog | int completion)
|
604 | 7bfe5777 | balrog | { |
605 | 7bfe5777 | balrog | int dir;
|
606 | 7bfe5777 | balrog | size_t len = 0;
|
607 | 7ccfb2eb | blueswir1 | const char *str = NULL; |
608 | 7bfe5777 | balrog | int pid;
|
609 | 7bfe5777 | balrog | int ret;
|
610 | 7bfe5777 | balrog | int i;
|
611 | 7bfe5777 | balrog | USBDevice *dev; |
612 | 7bfe5777 | balrog | struct ohci_iso_td iso_td;
|
613 | 7bfe5777 | balrog | uint32_t addr; |
614 | 7bfe5777 | balrog | uint16_t starting_frame; |
615 | 7bfe5777 | balrog | int16_t relative_frame_number; |
616 | 7bfe5777 | balrog | int frame_count;
|
617 | 7bfe5777 | balrog | uint32_t start_offset, next_offset, end_offset = 0;
|
618 | 7bfe5777 | balrog | uint32_t start_addr, end_addr; |
619 | 7bfe5777 | balrog | |
620 | 7bfe5777 | balrog | addr = ed->head & OHCI_DPTR_MASK; |
621 | 7bfe5777 | balrog | |
622 | ac611340 | aurel32 | if (!ohci_read_iso_td(ohci, addr, &iso_td)) {
|
623 | 7bfe5777 | balrog | printf("usb-ohci: ISO_TD read error at %x\n", addr);
|
624 | 7bfe5777 | balrog | return 0; |
625 | 7bfe5777 | balrog | } |
626 | 7bfe5777 | balrog | |
627 | 7bfe5777 | balrog | starting_frame = OHCI_BM(iso_td.flags, TD_SF); |
628 | 7bfe5777 | balrog | frame_count = OHCI_BM(iso_td.flags, TD_FC); |
629 | 7bfe5777 | balrog | relative_frame_number = USUB(ohci->frame_number, starting_frame); |
630 | 7bfe5777 | balrog | |
631 | 7bfe5777 | balrog | #ifdef DEBUG_ISOCH
|
632 | 7bfe5777 | balrog | printf("--- ISO_TD ED head 0x%.8x tailp 0x%.8x\n"
|
633 | 7bfe5777 | balrog | "0x%.8x 0x%.8x 0x%.8x 0x%.8x\n"
|
634 | 7bfe5777 | balrog | "0x%.8x 0x%.8x 0x%.8x 0x%.8x\n"
|
635 | 7bfe5777 | balrog | "0x%.8x 0x%.8x 0x%.8x 0x%.8x\n"
|
636 | 7bfe5777 | balrog | "frame_number 0x%.8x starting_frame 0x%.8x\n"
|
637 | 7bfe5777 | balrog | "frame_count 0x%.8x relative %d\n"
|
638 | 7bfe5777 | balrog | "di 0x%.8x cc 0x%.8x\n",
|
639 | 7bfe5777 | balrog | ed->head & OHCI_DPTR_MASK, ed->tail & OHCI_DPTR_MASK, |
640 | 7bfe5777 | balrog | iso_td.flags, iso_td.bp, iso_td.next, iso_td.be, |
641 | 7bfe5777 | balrog | iso_td.offset[0], iso_td.offset[1], iso_td.offset[2], iso_td.offset[3], |
642 | 7bfe5777 | balrog | iso_td.offset[4], iso_td.offset[5], iso_td.offset[6], iso_td.offset[7], |
643 | 7bfe5777 | balrog | ohci->frame_number, starting_frame, |
644 | 7bfe5777 | balrog | frame_count, relative_frame_number, |
645 | 7bfe5777 | balrog | OHCI_BM(iso_td.flags, TD_DI), OHCI_BM(iso_td.flags, TD_CC)); |
646 | 7bfe5777 | balrog | #endif
|
647 | 7bfe5777 | balrog | |
648 | 7bfe5777 | balrog | if (relative_frame_number < 0) { |
649 | 7bfe5777 | balrog | dprintf("usb-ohci: ISO_TD R=%d < 0\n", relative_frame_number);
|
650 | 7bfe5777 | balrog | return 1; |
651 | 7bfe5777 | balrog | } else if (relative_frame_number > frame_count) { |
652 | 7bfe5777 | balrog | /* ISO TD expired - retire the TD to the Done Queue and continue with
|
653 | 7bfe5777 | balrog | the next ISO TD of the same ED */
|
654 | 7bfe5777 | balrog | dprintf("usb-ohci: ISO_TD R=%d > FC=%d\n", relative_frame_number,
|
655 | 7bfe5777 | balrog | frame_count); |
656 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.flags, TD_CC, OHCI_CC_DATAOVERRUN); |
657 | 7bfe5777 | balrog | ed->head &= ~OHCI_DPTR_MASK; |
658 | 7bfe5777 | balrog | ed->head |= (iso_td.next & OHCI_DPTR_MASK); |
659 | 7bfe5777 | balrog | iso_td.next = ohci->done; |
660 | 7bfe5777 | balrog | ohci->done = addr; |
661 | 7bfe5777 | balrog | i = OHCI_BM(iso_td.flags, TD_DI); |
662 | 7bfe5777 | balrog | if (i < ohci->done_count)
|
663 | 7bfe5777 | balrog | ohci->done_count = i; |
664 | ac611340 | aurel32 | ohci_put_iso_td(ohci, addr, &iso_td); |
665 | 7bfe5777 | balrog | return 0; |
666 | 7bfe5777 | balrog | } |
667 | 7bfe5777 | balrog | |
668 | 7bfe5777 | balrog | dir = OHCI_BM(ed->flags, ED_D); |
669 | 7bfe5777 | balrog | switch (dir) {
|
670 | 7bfe5777 | balrog | case OHCI_TD_DIR_IN:
|
671 | 7bfe5777 | balrog | str = "in";
|
672 | 7bfe5777 | balrog | pid = USB_TOKEN_IN; |
673 | 7bfe5777 | balrog | break;
|
674 | 7bfe5777 | balrog | case OHCI_TD_DIR_OUT:
|
675 | 7bfe5777 | balrog | str = "out";
|
676 | 7bfe5777 | balrog | pid = USB_TOKEN_OUT; |
677 | 7bfe5777 | balrog | break;
|
678 | 7bfe5777 | balrog | case OHCI_TD_DIR_SETUP:
|
679 | 7bfe5777 | balrog | str = "setup";
|
680 | 7bfe5777 | balrog | pid = USB_TOKEN_SETUP; |
681 | 7bfe5777 | balrog | break;
|
682 | 7bfe5777 | balrog | default:
|
683 | 7bfe5777 | balrog | printf("usb-ohci: Bad direction %d\n", dir);
|
684 | 7bfe5777 | balrog | return 1; |
685 | 7bfe5777 | balrog | } |
686 | 7bfe5777 | balrog | |
687 | 7bfe5777 | balrog | if (!iso_td.bp || !iso_td.be) {
|
688 | 7bfe5777 | balrog | printf("usb-ohci: ISO_TD bp 0x%.8x be 0x%.8x\n", iso_td.bp, iso_td.be);
|
689 | 7bfe5777 | balrog | return 1; |
690 | 7bfe5777 | balrog | } |
691 | 7bfe5777 | balrog | |
692 | 7bfe5777 | balrog | start_offset = iso_td.offset[relative_frame_number]; |
693 | 7bfe5777 | balrog | next_offset = iso_td.offset[relative_frame_number + 1];
|
694 | 7bfe5777 | balrog | |
695 | 7bfe5777 | balrog | if (!(OHCI_BM(start_offset, TD_PSW_CC) & 0xe) || |
696 | 7bfe5777 | balrog | ((relative_frame_number < frame_count) && |
697 | 7bfe5777 | balrog | !(OHCI_BM(next_offset, TD_PSW_CC) & 0xe))) {
|
698 | 7bfe5777 | balrog | printf("usb-ohci: ISO_TD cc != not accessed 0x%.8x 0x%.8x\n",
|
699 | 7bfe5777 | balrog | start_offset, next_offset); |
700 | 7bfe5777 | balrog | return 1; |
701 | 7bfe5777 | balrog | } |
702 | 7bfe5777 | balrog | |
703 | 7bfe5777 | balrog | if ((relative_frame_number < frame_count) && (start_offset > next_offset)) {
|
704 | 7bfe5777 | balrog | printf("usb-ohci: ISO_TD start_offset=0x%.8x > next_offset=0x%.8x\n",
|
705 | 7bfe5777 | balrog | start_offset, next_offset); |
706 | 7bfe5777 | balrog | return 1; |
707 | 7bfe5777 | balrog | } |
708 | 7bfe5777 | balrog | |
709 | 7bfe5777 | balrog | if ((start_offset & 0x1000) == 0) { |
710 | 7bfe5777 | balrog | start_addr = (iso_td.bp & OHCI_PAGE_MASK) | |
711 | 7bfe5777 | balrog | (start_offset & OHCI_OFFSET_MASK); |
712 | 7bfe5777 | balrog | } else {
|
713 | 7bfe5777 | balrog | start_addr = (iso_td.be & OHCI_PAGE_MASK) | |
714 | 7bfe5777 | balrog | (start_offset & OHCI_OFFSET_MASK); |
715 | 7bfe5777 | balrog | } |
716 | 7bfe5777 | balrog | |
717 | 7bfe5777 | balrog | if (relative_frame_number < frame_count) {
|
718 | 7bfe5777 | balrog | end_offset = next_offset - 1;
|
719 | 7bfe5777 | balrog | if ((end_offset & 0x1000) == 0) { |
720 | 7bfe5777 | balrog | end_addr = (iso_td.bp & OHCI_PAGE_MASK) | |
721 | 7bfe5777 | balrog | (end_offset & OHCI_OFFSET_MASK); |
722 | 7bfe5777 | balrog | } else {
|
723 | 7bfe5777 | balrog | end_addr = (iso_td.be & OHCI_PAGE_MASK) | |
724 | 7bfe5777 | balrog | (end_offset & OHCI_OFFSET_MASK); |
725 | 7bfe5777 | balrog | } |
726 | 7bfe5777 | balrog | } else {
|
727 | 7bfe5777 | balrog | /* Last packet in the ISO TD */
|
728 | 7bfe5777 | balrog | end_addr = iso_td.be; |
729 | 7bfe5777 | balrog | } |
730 | 7bfe5777 | balrog | |
731 | 7bfe5777 | balrog | if ((start_addr & OHCI_PAGE_MASK) != (end_addr & OHCI_PAGE_MASK)) {
|
732 | 7bfe5777 | balrog | len = (end_addr & OHCI_OFFSET_MASK) + 0x1001
|
733 | 7bfe5777 | balrog | - (start_addr & OHCI_OFFSET_MASK); |
734 | 7bfe5777 | balrog | } else {
|
735 | 7bfe5777 | balrog | len = end_addr - start_addr + 1;
|
736 | 7bfe5777 | balrog | } |
737 | 7bfe5777 | balrog | |
738 | 7bfe5777 | balrog | if (len && dir != OHCI_TD_DIR_IN) {
|
739 | ac611340 | aurel32 | ohci_copy_iso_td(ohci, start_addr, end_addr, ohci->usb_buf, len, 0);
|
740 | 7bfe5777 | balrog | } |
741 | 7bfe5777 | balrog | |
742 | 7bfe5777 | balrog | if (completion) {
|
743 | 7bfe5777 | balrog | ret = ohci->usb_packet.len; |
744 | 7bfe5777 | balrog | } else {
|
745 | 7bfe5777 | balrog | ret = USB_RET_NODEV; |
746 | 7bfe5777 | balrog | for (i = 0; i < ohci->num_ports; i++) { |
747 | 7bfe5777 | balrog | dev = ohci->rhport[i].port.dev; |
748 | 7bfe5777 | balrog | if ((ohci->rhport[i].ctrl & OHCI_PORT_PES) == 0) |
749 | 7bfe5777 | balrog | continue;
|
750 | 7bfe5777 | balrog | ohci->usb_packet.pid = pid; |
751 | 7bfe5777 | balrog | ohci->usb_packet.devaddr = OHCI_BM(ed->flags, ED_FA); |
752 | 7bfe5777 | balrog | ohci->usb_packet.devep = OHCI_BM(ed->flags, ED_EN); |
753 | 7bfe5777 | balrog | ohci->usb_packet.data = ohci->usb_buf; |
754 | 7bfe5777 | balrog | ohci->usb_packet.len = len; |
755 | 7bfe5777 | balrog | ohci->usb_packet.complete_cb = ohci_async_complete_packet; |
756 | 7bfe5777 | balrog | ohci->usb_packet.complete_opaque = ohci; |
757 | 7bfe5777 | balrog | ret = dev->handle_packet(dev, &ohci->usb_packet); |
758 | 7bfe5777 | balrog | if (ret != USB_RET_NODEV)
|
759 | 7bfe5777 | balrog | break;
|
760 | 7bfe5777 | balrog | } |
761 | 7bfe5777 | balrog | |
762 | 7bfe5777 | balrog | if (ret == USB_RET_ASYNC) {
|
763 | 7bfe5777 | balrog | return 1; |
764 | 7bfe5777 | balrog | } |
765 | 7bfe5777 | balrog | } |
766 | 7bfe5777 | balrog | |
767 | 7bfe5777 | balrog | #ifdef DEBUG_ISOCH
|
768 | 7bfe5777 | balrog | printf("so 0x%.8x eo 0x%.8x\nsa 0x%.8x ea 0x%.8x\ndir %s len %zu ret %d\n",
|
769 | 7bfe5777 | balrog | start_offset, end_offset, start_addr, end_addr, str, len, ret); |
770 | 7bfe5777 | balrog | #endif
|
771 | 7bfe5777 | balrog | |
772 | 7bfe5777 | balrog | /* Writeback */
|
773 | 7bfe5777 | balrog | if (dir == OHCI_TD_DIR_IN && ret >= 0 && ret <= len) { |
774 | 7bfe5777 | balrog | /* IN transfer succeeded */
|
775 | ac611340 | aurel32 | ohci_copy_iso_td(ohci, start_addr, end_addr, ohci->usb_buf, ret, 1);
|
776 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
777 | 7bfe5777 | balrog | OHCI_CC_NOERROR); |
778 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE, ret); |
779 | 7bfe5777 | balrog | } else if (dir == OHCI_TD_DIR_OUT && ret == len) { |
780 | 7bfe5777 | balrog | /* OUT transfer succeeded */
|
781 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
782 | 7bfe5777 | balrog | OHCI_CC_NOERROR); |
783 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE, 0);
|
784 | 7bfe5777 | balrog | } else {
|
785 | 87283515 | balrog | if (ret > (ssize_t) len) {
|
786 | 7bfe5777 | balrog | printf("usb-ohci: DataOverrun %d > %zu\n", ret, len);
|
787 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
788 | 7bfe5777 | balrog | OHCI_CC_DATAOVERRUN); |
789 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE, |
790 | 7bfe5777 | balrog | len); |
791 | 7bfe5777 | balrog | } else if (ret >= 0) { |
792 | 7bfe5777 | balrog | printf("usb-ohci: DataUnderrun %d\n", ret);
|
793 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
794 | 7bfe5777 | balrog | OHCI_CC_DATAUNDERRUN); |
795 | 7bfe5777 | balrog | } else {
|
796 | 7bfe5777 | balrog | switch (ret) {
|
797 | 7bfe5777 | balrog | case USB_RET_NODEV:
|
798 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
799 | 7bfe5777 | balrog | OHCI_CC_DEVICENOTRESPONDING); |
800 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE, |
801 | 7bfe5777 | balrog | 0);
|
802 | 7bfe5777 | balrog | break;
|
803 | 7bfe5777 | balrog | case USB_RET_NAK:
|
804 | 7bfe5777 | balrog | case USB_RET_STALL:
|
805 | 7bfe5777 | balrog | printf("usb-ohci: got NAK/STALL %d\n", ret);
|
806 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
807 | 7bfe5777 | balrog | OHCI_CC_STALL); |
808 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE, |
809 | 7bfe5777 | balrog | 0);
|
810 | 7bfe5777 | balrog | break;
|
811 | 7bfe5777 | balrog | default:
|
812 | 7bfe5777 | balrog | printf("usb-ohci: Bad device response %d\n", ret);
|
813 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC, |
814 | 7bfe5777 | balrog | OHCI_CC_UNDEXPETEDPID); |
815 | 7bfe5777 | balrog | break;
|
816 | 7bfe5777 | balrog | } |
817 | 7bfe5777 | balrog | } |
818 | 7bfe5777 | balrog | } |
819 | 7bfe5777 | balrog | |
820 | 7bfe5777 | balrog | if (relative_frame_number == frame_count) {
|
821 | 7bfe5777 | balrog | /* Last data packet of ISO TD - retire the TD to the Done Queue */
|
822 | 7bfe5777 | balrog | OHCI_SET_BM(iso_td.flags, TD_CC, OHCI_CC_NOERROR); |
823 | 7bfe5777 | balrog | ed->head &= ~OHCI_DPTR_MASK; |
824 | 7bfe5777 | balrog | ed->head |= (iso_td.next & OHCI_DPTR_MASK); |
825 | 7bfe5777 | balrog | iso_td.next = ohci->done; |
826 | 7bfe5777 | balrog | ohci->done = addr; |
827 | 7bfe5777 | balrog | i = OHCI_BM(iso_td.flags, TD_DI); |
828 | 7bfe5777 | balrog | if (i < ohci->done_count)
|
829 | 7bfe5777 | balrog | ohci->done_count = i; |
830 | 7bfe5777 | balrog | } |
831 | ac611340 | aurel32 | ohci_put_iso_td(ohci, addr, &iso_td); |
832 | 7bfe5777 | balrog | return 1; |
833 | 4d611c9a | pbrook | } |
834 | 4d611c9a | pbrook | |
835 | 0d92ed30 | pbrook | /* Service a transport descriptor.
|
836 | 0d92ed30 | pbrook | Returns nonzero to terminate processing of this endpoint. */
|
837 | 0d92ed30 | pbrook | |
838 | 0d92ed30 | pbrook | static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed) |
839 | 0d92ed30 | pbrook | { |
840 | 0d92ed30 | pbrook | int dir;
|
841 | 0d92ed30 | pbrook | size_t len = 0;
|
842 | 7ccfb2eb | blueswir1 | const char *str = NULL; |
843 | 0d92ed30 | pbrook | int pid;
|
844 | 0d92ed30 | pbrook | int ret;
|
845 | 0d92ed30 | pbrook | int i;
|
846 | 0d92ed30 | pbrook | USBDevice *dev; |
847 | 0d92ed30 | pbrook | struct ohci_td td;
|
848 | 0d92ed30 | pbrook | uint32_t addr; |
849 | 0d92ed30 | pbrook | int flag_r;
|
850 | 4d611c9a | pbrook | int completion;
|
851 | 0d92ed30 | pbrook | |
852 | 0d92ed30 | pbrook | addr = ed->head & OHCI_DPTR_MASK; |
853 | 4d611c9a | pbrook | /* See if this TD has already been submitted to the device. */
|
854 | 4d611c9a | pbrook | completion = (addr == ohci->async_td); |
855 | 4d611c9a | pbrook | if (completion && !ohci->async_complete) {
|
856 | 4d611c9a | pbrook | #ifdef DEBUG_PACKET
|
857 | 4d611c9a | pbrook | dprintf("Skipping async TD\n");
|
858 | 4d611c9a | pbrook | #endif
|
859 | 4d611c9a | pbrook | return 1; |
860 | 4d611c9a | pbrook | } |
861 | ac611340 | aurel32 | if (!ohci_read_td(ohci, addr, &td)) {
|
862 | 0d92ed30 | pbrook | fprintf(stderr, "usb-ohci: TD read error at %x\n", addr);
|
863 | 0d92ed30 | pbrook | return 0; |
864 | 0d92ed30 | pbrook | } |
865 | 0d92ed30 | pbrook | |
866 | 0d92ed30 | pbrook | dir = OHCI_BM(ed->flags, ED_D); |
867 | 0d92ed30 | pbrook | switch (dir) {
|
868 | 0d92ed30 | pbrook | case OHCI_TD_DIR_OUT:
|
869 | 0d92ed30 | pbrook | case OHCI_TD_DIR_IN:
|
870 | 0d92ed30 | pbrook | /* Same value. */
|
871 | 0d92ed30 | pbrook | break;
|
872 | 0d92ed30 | pbrook | default:
|
873 | 0d92ed30 | pbrook | dir = OHCI_BM(td.flags, TD_DP); |
874 | 0d92ed30 | pbrook | break;
|
875 | 0d92ed30 | pbrook | } |
876 | 0d92ed30 | pbrook | |
877 | 0d92ed30 | pbrook | switch (dir) {
|
878 | 0d92ed30 | pbrook | case OHCI_TD_DIR_IN:
|
879 | 0d92ed30 | pbrook | str = "in";
|
880 | 0d92ed30 | pbrook | pid = USB_TOKEN_IN; |
881 | 0d92ed30 | pbrook | break;
|
882 | 0d92ed30 | pbrook | case OHCI_TD_DIR_OUT:
|
883 | 0d92ed30 | pbrook | str = "out";
|
884 | 0d92ed30 | pbrook | pid = USB_TOKEN_OUT; |
885 | 0d92ed30 | pbrook | break;
|
886 | 0d92ed30 | pbrook | case OHCI_TD_DIR_SETUP:
|
887 | 0d92ed30 | pbrook | str = "setup";
|
888 | 0d92ed30 | pbrook | pid = USB_TOKEN_SETUP; |
889 | 0d92ed30 | pbrook | break;
|
890 | 0d92ed30 | pbrook | default:
|
891 | 0d92ed30 | pbrook | fprintf(stderr, "usb-ohci: Bad direction\n");
|
892 | 0d92ed30 | pbrook | return 1; |
893 | 0d92ed30 | pbrook | } |
894 | 0d92ed30 | pbrook | if (td.cbp && td.be) {
|
895 | e6f3e5e0 | pbrook | if ((td.cbp & 0xfffff000) != (td.be & 0xfffff000)) { |
896 | e6f3e5e0 | pbrook | len = (td.be & 0xfff) + 0x1001 - (td.cbp & 0xfff); |
897 | e6f3e5e0 | pbrook | } else {
|
898 | e6f3e5e0 | pbrook | len = (td.be - td.cbp) + 1;
|
899 | e6f3e5e0 | pbrook | } |
900 | e6f3e5e0 | pbrook | |
901 | 4d611c9a | pbrook | if (len && dir != OHCI_TD_DIR_IN && !completion) {
|
902 | ac611340 | aurel32 | ohci_copy_td(ohci, &td, ohci->usb_buf, len, 0);
|
903 | 0d92ed30 | pbrook | } |
904 | 0d92ed30 | pbrook | } |
905 | 0d92ed30 | pbrook | |
906 | 0d92ed30 | pbrook | flag_r = (td.flags & OHCI_TD_R) != 0;
|
907 | 0d92ed30 | pbrook | #ifdef DEBUG_PACKET
|
908 | 0bf9e31a | Blue Swirl | dprintf(" TD @ 0x%.8x %" PRId64 " bytes %s r=%d cbp=0x%.8x be=0x%.8x\n", |
909 | 0d92ed30 | pbrook | addr, len, str, flag_r, td.cbp, td.be); |
910 | 0d92ed30 | pbrook | |
911 | 87283515 | balrog | if (len > 0 && dir != OHCI_TD_DIR_IN) { |
912 | 0d92ed30 | pbrook | dprintf(" data:");
|
913 | 0d92ed30 | pbrook | for (i = 0; i < len; i++) |
914 | 4d611c9a | pbrook | printf(" %.2x", ohci->usb_buf[i]);
|
915 | 0d92ed30 | pbrook | dprintf("\n");
|
916 | 0d92ed30 | pbrook | } |
917 | 0d92ed30 | pbrook | #endif
|
918 | 4d611c9a | pbrook | if (completion) {
|
919 | 4d611c9a | pbrook | ret = ohci->usb_packet.len; |
920 | 4d611c9a | pbrook | ohci->async_td = 0;
|
921 | 4d611c9a | pbrook | ohci->async_complete = 0;
|
922 | 4d611c9a | pbrook | } else {
|
923 | 4d611c9a | pbrook | ret = USB_RET_NODEV; |
924 | 4d611c9a | pbrook | for (i = 0; i < ohci->num_ports; i++) { |
925 | 4d611c9a | pbrook | dev = ohci->rhport[i].port.dev; |
926 | 4d611c9a | pbrook | if ((ohci->rhport[i].ctrl & OHCI_PORT_PES) == 0) |
927 | 4d611c9a | pbrook | continue;
|
928 | 4d611c9a | pbrook | |
929 | 4d611c9a | pbrook | if (ohci->async_td) {
|
930 | 4d611c9a | pbrook | /* ??? The hardware should allow one active packet per
|
931 | 4d611c9a | pbrook | endpoint. We only allow one active packet per controller.
|
932 | 4d611c9a | pbrook | This should be sufficient as long as devices respond in a
|
933 | 4d611c9a | pbrook | timely manner.
|
934 | 4d611c9a | pbrook | */
|
935 | 0d92ed30 | pbrook | #ifdef DEBUG_PACKET
|
936 | 4d611c9a | pbrook | dprintf("Too many pending packets\n");
|
937 | 0d92ed30 | pbrook | #endif
|
938 | 4d611c9a | pbrook | return 1; |
939 | 4d611c9a | pbrook | } |
940 | 4d611c9a | pbrook | ohci->usb_packet.pid = pid; |
941 | 4d611c9a | pbrook | ohci->usb_packet.devaddr = OHCI_BM(ed->flags, ED_FA); |
942 | 4d611c9a | pbrook | ohci->usb_packet.devep = OHCI_BM(ed->flags, ED_EN); |
943 | 4d611c9a | pbrook | ohci->usb_packet.data = ohci->usb_buf; |
944 | 4d611c9a | pbrook | ohci->usb_packet.len = len; |
945 | 4d611c9a | pbrook | ohci->usb_packet.complete_cb = ohci_async_complete_packet; |
946 | 4d611c9a | pbrook | ohci->usb_packet.complete_opaque = ohci; |
947 | 4d611c9a | pbrook | ret = dev->handle_packet(dev, &ohci->usb_packet); |
948 | 4d611c9a | pbrook | if (ret != USB_RET_NODEV)
|
949 | 4d611c9a | pbrook | break;
|
950 | 4d611c9a | pbrook | } |
951 | 4d611c9a | pbrook | #ifdef DEBUG_PACKET
|
952 | 4d611c9a | pbrook | dprintf("ret=%d\n", ret);
|
953 | 4d611c9a | pbrook | #endif
|
954 | 4d611c9a | pbrook | if (ret == USB_RET_ASYNC) {
|
955 | 4d611c9a | pbrook | ohci->async_td = addr; |
956 | 4d611c9a | pbrook | return 1; |
957 | 4d611c9a | pbrook | } |
958 | 4d611c9a | pbrook | } |
959 | 0d92ed30 | pbrook | if (ret >= 0) { |
960 | 0d92ed30 | pbrook | if (dir == OHCI_TD_DIR_IN) {
|
961 | ac611340 | aurel32 | ohci_copy_td(ohci, &td, ohci->usb_buf, ret, 1);
|
962 | 0d92ed30 | pbrook | #ifdef DEBUG_PACKET
|
963 | 0d92ed30 | pbrook | dprintf(" data:");
|
964 | 0d92ed30 | pbrook | for (i = 0; i < ret; i++) |
965 | 4d611c9a | pbrook | printf(" %.2x", ohci->usb_buf[i]);
|
966 | 0d92ed30 | pbrook | dprintf("\n");
|
967 | 0d92ed30 | pbrook | #endif
|
968 | 0d92ed30 | pbrook | } else {
|
969 | 0d92ed30 | pbrook | ret = len; |
970 | 0d92ed30 | pbrook | } |
971 | 0d92ed30 | pbrook | } |
972 | 0d92ed30 | pbrook | |
973 | 0d92ed30 | pbrook | /* Writeback */
|
974 | 0d92ed30 | pbrook | if (ret == len || (dir == OHCI_TD_DIR_IN && ret >= 0 && flag_r)) { |
975 | 0d92ed30 | pbrook | /* Transmission succeeded. */
|
976 | 0d92ed30 | pbrook | if (ret == len) {
|
977 | 0d92ed30 | pbrook | td.cbp = 0;
|
978 | 0d92ed30 | pbrook | } else {
|
979 | 0d92ed30 | pbrook | td.cbp += ret; |
980 | 0d92ed30 | pbrook | if ((td.cbp & 0xfff) + ret > 0xfff) { |
981 | 0d92ed30 | pbrook | td.cbp &= 0xfff;
|
982 | 0d92ed30 | pbrook | td.cbp |= td.be & ~0xfff;
|
983 | 0d92ed30 | pbrook | } |
984 | 0d92ed30 | pbrook | } |
985 | 0d92ed30 | pbrook | td.flags |= OHCI_TD_T1; |
986 | 0d92ed30 | pbrook | td.flags ^= OHCI_TD_T0; |
987 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_NOERROR); |
988 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_EC, 0);
|
989 | 0d92ed30 | pbrook | |
990 | 0d92ed30 | pbrook | ed->head &= ~OHCI_ED_C; |
991 | 0d92ed30 | pbrook | if (td.flags & OHCI_TD_T0)
|
992 | 0d92ed30 | pbrook | ed->head |= OHCI_ED_C; |
993 | 0d92ed30 | pbrook | } else {
|
994 | 0d92ed30 | pbrook | if (ret >= 0) { |
995 | 0d92ed30 | pbrook | dprintf("usb-ohci: Underrun\n");
|
996 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_DATAUNDERRUN); |
997 | 0d92ed30 | pbrook | } else {
|
998 | 0d92ed30 | pbrook | switch (ret) {
|
999 | 0d92ed30 | pbrook | case USB_RET_NODEV:
|
1000 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_DEVICENOTRESPONDING); |
1001 | 0d92ed30 | pbrook | case USB_RET_NAK:
|
1002 | 0d92ed30 | pbrook | dprintf("usb-ohci: got NAK\n");
|
1003 | 0d92ed30 | pbrook | return 1; |
1004 | 0d92ed30 | pbrook | case USB_RET_STALL:
|
1005 | 0d92ed30 | pbrook | dprintf("usb-ohci: got STALL\n");
|
1006 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_STALL); |
1007 | 0d92ed30 | pbrook | break;
|
1008 | 0d92ed30 | pbrook | case USB_RET_BABBLE:
|
1009 | 0d92ed30 | pbrook | dprintf("usb-ohci: got BABBLE\n");
|
1010 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_DATAOVERRUN); |
1011 | 0d92ed30 | pbrook | break;
|
1012 | 0d92ed30 | pbrook | default:
|
1013 | 0d92ed30 | pbrook | fprintf(stderr, "usb-ohci: Bad device response %d\n", ret);
|
1014 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_UNDEXPETEDPID); |
1015 | 0d92ed30 | pbrook | OHCI_SET_BM(td.flags, TD_EC, 3);
|
1016 | 0d92ed30 | pbrook | break;
|
1017 | 0d92ed30 | pbrook | } |
1018 | 0d92ed30 | pbrook | } |
1019 | 0d92ed30 | pbrook | ed->head |= OHCI_ED_H; |
1020 | 0d92ed30 | pbrook | } |
1021 | 0d92ed30 | pbrook | |
1022 | 0d92ed30 | pbrook | /* Retire this TD */
|
1023 | 0d92ed30 | pbrook | ed->head &= ~OHCI_DPTR_MASK; |
1024 | 0d92ed30 | pbrook | ed->head |= td.next & OHCI_DPTR_MASK; |
1025 | 0d92ed30 | pbrook | td.next = ohci->done; |
1026 | 0d92ed30 | pbrook | ohci->done = addr; |
1027 | 0d92ed30 | pbrook | i = OHCI_BM(td.flags, TD_DI); |
1028 | 0d92ed30 | pbrook | if (i < ohci->done_count)
|
1029 | 0d92ed30 | pbrook | ohci->done_count = i; |
1030 | ac611340 | aurel32 | ohci_put_td(ohci, addr, &td); |
1031 | 0d92ed30 | pbrook | return OHCI_BM(td.flags, TD_CC) != OHCI_CC_NOERROR;
|
1032 | 0d92ed30 | pbrook | } |
1033 | 0d92ed30 | pbrook | |
1034 | 0d92ed30 | pbrook | /* Service an endpoint list. Returns nonzero if active TD were found. */
|
1035 | 7bfe5777 | balrog | static int ohci_service_ed_list(OHCIState *ohci, uint32_t head, int completion) |
1036 | 0d92ed30 | pbrook | { |
1037 | 0d92ed30 | pbrook | struct ohci_ed ed;
|
1038 | 0d92ed30 | pbrook | uint32_t next_ed; |
1039 | 0d92ed30 | pbrook | uint32_t cur; |
1040 | 0d92ed30 | pbrook | int active;
|
1041 | 0d92ed30 | pbrook | |
1042 | 0d92ed30 | pbrook | active = 0;
|
1043 | 0d92ed30 | pbrook | |
1044 | 0d92ed30 | pbrook | if (head == 0) |
1045 | 0d92ed30 | pbrook | return 0; |
1046 | 0d92ed30 | pbrook | |
1047 | 0d92ed30 | pbrook | for (cur = head; cur; cur = next_ed) {
|
1048 | ac611340 | aurel32 | if (!ohci_read_ed(ohci, cur, &ed)) {
|
1049 | 0d92ed30 | pbrook | fprintf(stderr, "usb-ohci: ED read error at %x\n", cur);
|
1050 | 0d92ed30 | pbrook | return 0; |
1051 | 0d92ed30 | pbrook | } |
1052 | 0d92ed30 | pbrook | |
1053 | 0d92ed30 | pbrook | next_ed = ed.next & OHCI_DPTR_MASK; |
1054 | 0d92ed30 | pbrook | |
1055 | 4d611c9a | pbrook | if ((ed.head & OHCI_ED_H) || (ed.flags & OHCI_ED_K)) {
|
1056 | 4d611c9a | pbrook | uint32_t addr; |
1057 | 4d611c9a | pbrook | /* Cancel pending packets for ED that have been paused. */
|
1058 | 4d611c9a | pbrook | addr = ed.head & OHCI_DPTR_MASK; |
1059 | 4d611c9a | pbrook | if (ohci->async_td && addr == ohci->async_td) {
|
1060 | 4d611c9a | pbrook | usb_cancel_packet(&ohci->usb_packet); |
1061 | 4d611c9a | pbrook | ohci->async_td = 0;
|
1062 | 4d611c9a | pbrook | } |
1063 | 0d92ed30 | pbrook | continue;
|
1064 | 4d611c9a | pbrook | } |
1065 | 0d92ed30 | pbrook | |
1066 | 0d92ed30 | pbrook | while ((ed.head & OHCI_DPTR_MASK) != ed.tail) {
|
1067 | 0d92ed30 | pbrook | #ifdef DEBUG_PACKET
|
1068 | 0d92ed30 | pbrook | dprintf("ED @ 0x%.8x fa=%u en=%u d=%u s=%u k=%u f=%u mps=%u "
|
1069 | 0d92ed30 | pbrook | "h=%u c=%u\n head=0x%.8x tailp=0x%.8x next=0x%.8x\n", cur,
|
1070 | 0d92ed30 | pbrook | OHCI_BM(ed.flags, ED_FA), OHCI_BM(ed.flags, ED_EN), |
1071 | 0d92ed30 | pbrook | OHCI_BM(ed.flags, ED_D), (ed.flags & OHCI_ED_S)!= 0,
|
1072 | 0d92ed30 | pbrook | (ed.flags & OHCI_ED_K) != 0, (ed.flags & OHCI_ED_F) != 0, |
1073 | 0d92ed30 | pbrook | OHCI_BM(ed.flags, ED_MPS), (ed.head & OHCI_ED_H) != 0,
|
1074 | 0d92ed30 | pbrook | (ed.head & OHCI_ED_C) != 0, ed.head & OHCI_DPTR_MASK,
|
1075 | 0d92ed30 | pbrook | ed.tail & OHCI_DPTR_MASK, ed.next & OHCI_DPTR_MASK); |
1076 | 0d92ed30 | pbrook | #endif
|
1077 | 0d92ed30 | pbrook | active = 1;
|
1078 | 0d92ed30 | pbrook | |
1079 | 7bfe5777 | balrog | if ((ed.flags & OHCI_ED_F) == 0) { |
1080 | 7bfe5777 | balrog | if (ohci_service_td(ohci, &ed))
|
1081 | 7bfe5777 | balrog | break;
|
1082 | 7bfe5777 | balrog | } else {
|
1083 | 7bfe5777 | balrog | /* Handle isochronous endpoints */
|
1084 | 7bfe5777 | balrog | if (ohci_service_iso_td(ohci, &ed, completion))
|
1085 | 7bfe5777 | balrog | break;
|
1086 | 7bfe5777 | balrog | } |
1087 | 0d92ed30 | pbrook | } |
1088 | 0d92ed30 | pbrook | |
1089 | ac611340 | aurel32 | ohci_put_ed(ohci, cur, &ed); |
1090 | 0d92ed30 | pbrook | } |
1091 | 0d92ed30 | pbrook | |
1092 | 0d92ed30 | pbrook | return active;
|
1093 | 0d92ed30 | pbrook | } |
1094 | 0d92ed30 | pbrook | |
1095 | 0d92ed30 | pbrook | /* Generate a SOF event, and set a timer for EOF */
|
1096 | 0d92ed30 | pbrook | static void ohci_sof(OHCIState *ohci) |
1097 | 0d92ed30 | pbrook | { |
1098 | 0d92ed30 | pbrook | ohci->sof_time = qemu_get_clock(vm_clock); |
1099 | 0d92ed30 | pbrook | qemu_mod_timer(ohci->eof_timer, ohci->sof_time + usb_frame_time); |
1100 | 0d92ed30 | pbrook | ohci_set_interrupt(ohci, OHCI_INTR_SF); |
1101 | 0d92ed30 | pbrook | } |
1102 | 0d92ed30 | pbrook | |
1103 | 4d611c9a | pbrook | /* Process Control and Bulk lists. */
|
1104 | 7bfe5777 | balrog | static void ohci_process_lists(OHCIState *ohci, int completion) |
1105 | 4d611c9a | pbrook | { |
1106 | 4d611c9a | pbrook | if ((ohci->ctl & OHCI_CTL_CLE) && (ohci->status & OHCI_STATUS_CLF)) {
|
1107 | 4d611c9a | pbrook | if (ohci->ctrl_cur && ohci->ctrl_cur != ohci->ctrl_head)
|
1108 | 87283515 | balrog | dprintf("usb-ohci: head %x, cur %x\n",
|
1109 | 87283515 | balrog | ohci->ctrl_head, ohci->ctrl_cur); |
1110 | 7bfe5777 | balrog | if (!ohci_service_ed_list(ohci, ohci->ctrl_head, completion)) {
|
1111 | 4d611c9a | pbrook | ohci->ctrl_cur = 0;
|
1112 | 4d611c9a | pbrook | ohci->status &= ~OHCI_STATUS_CLF; |
1113 | 4d611c9a | pbrook | } |
1114 | 4d611c9a | pbrook | } |
1115 | 4d611c9a | pbrook | |
1116 | 4d611c9a | pbrook | if ((ohci->ctl & OHCI_CTL_BLE) && (ohci->status & OHCI_STATUS_BLF)) {
|
1117 | 7bfe5777 | balrog | if (!ohci_service_ed_list(ohci, ohci->bulk_head, completion)) {
|
1118 | 4d611c9a | pbrook | ohci->bulk_cur = 0;
|
1119 | 4d611c9a | pbrook | ohci->status &= ~OHCI_STATUS_BLF; |
1120 | 4d611c9a | pbrook | } |
1121 | 4d611c9a | pbrook | } |
1122 | 4d611c9a | pbrook | } |
1123 | 4d611c9a | pbrook | |
1124 | 0d92ed30 | pbrook | /* Do frame processing on frame boundary */
|
1125 | 0d92ed30 | pbrook | static void ohci_frame_boundary(void *opaque) |
1126 | 0d92ed30 | pbrook | { |
1127 | 0d92ed30 | pbrook | OHCIState *ohci = opaque; |
1128 | 0d92ed30 | pbrook | struct ohci_hcca hcca;
|
1129 | 0d92ed30 | pbrook | |
1130 | ac611340 | aurel32 | ohci_read_hcca(ohci, ohci->hcca, &hcca); |
1131 | 0d92ed30 | pbrook | |
1132 | 0d92ed30 | pbrook | /* Process all the lists at the end of the frame */
|
1133 | 0d92ed30 | pbrook | if (ohci->ctl & OHCI_CTL_PLE) {
|
1134 | 0d92ed30 | pbrook | int n;
|
1135 | 0d92ed30 | pbrook | |
1136 | 0d92ed30 | pbrook | n = ohci->frame_number & 0x1f;
|
1137 | 7bfe5777 | balrog | ohci_service_ed_list(ohci, le32_to_cpu(hcca.intr[n]), 0);
|
1138 | 0d92ed30 | pbrook | } |
1139 | 0d92ed30 | pbrook | |
1140 | 4d611c9a | pbrook | /* Cancel all pending packets if either of the lists has been disabled. */
|
1141 | 4d611c9a | pbrook | if (ohci->async_td &&
|
1142 | 4d611c9a | pbrook | ohci->old_ctl & (~ohci->ctl) & (OHCI_CTL_BLE | OHCI_CTL_CLE)) { |
1143 | 4d611c9a | pbrook | usb_cancel_packet(&ohci->usb_packet); |
1144 | 4d611c9a | pbrook | ohci->async_td = 0;
|
1145 | 0d92ed30 | pbrook | } |
1146 | 4d611c9a | pbrook | ohci->old_ctl = ohci->ctl; |
1147 | 7bfe5777 | balrog | ohci_process_lists(ohci, 0);
|
1148 | 0d92ed30 | pbrook | |
1149 | 0d92ed30 | pbrook | /* Frame boundary, so do EOF stuf here */
|
1150 | 0d92ed30 | pbrook | ohci->frt = ohci->fit; |
1151 | 0d92ed30 | pbrook | |
1152 | 1fa63e43 | Michael Buesch | /* Increment frame number and take care of endianness. */
|
1153 | 0d92ed30 | pbrook | ohci->frame_number = (ohci->frame_number + 1) & 0xffff; |
1154 | 1fa63e43 | Michael Buesch | hcca.frame = cpu_to_le16(ohci->frame_number); |
1155 | 0d92ed30 | pbrook | |
1156 | 0d92ed30 | pbrook | if (ohci->done_count == 0 && !(ohci->intr_status & OHCI_INTR_WD)) { |
1157 | 0d92ed30 | pbrook | if (!ohci->done)
|
1158 | 0d92ed30 | pbrook | abort(); |
1159 | 0d92ed30 | pbrook | if (ohci->intr & ohci->intr_status)
|
1160 | 0d92ed30 | pbrook | ohci->done |= 1;
|
1161 | 0d92ed30 | pbrook | hcca.done = cpu_to_le32(ohci->done); |
1162 | 0d92ed30 | pbrook | ohci->done = 0;
|
1163 | 0d92ed30 | pbrook | ohci->done_count = 7;
|
1164 | 0d92ed30 | pbrook | ohci_set_interrupt(ohci, OHCI_INTR_WD); |
1165 | 0d92ed30 | pbrook | } |
1166 | 0d92ed30 | pbrook | |
1167 | 0d92ed30 | pbrook | if (ohci->done_count != 7 && ohci->done_count != 0) |
1168 | 0d92ed30 | pbrook | ohci->done_count--; |
1169 | 0d92ed30 | pbrook | |
1170 | 0d92ed30 | pbrook | /* Do SOF stuff here */
|
1171 | 0d92ed30 | pbrook | ohci_sof(ohci); |
1172 | 0d92ed30 | pbrook | |
1173 | 0d92ed30 | pbrook | /* Writeback HCCA */
|
1174 | ac611340 | aurel32 | ohci_put_hcca(ohci, ohci->hcca, &hcca); |
1175 | 0d92ed30 | pbrook | } |
1176 | 0d92ed30 | pbrook | |
1177 | 0d92ed30 | pbrook | /* Start sending SOF tokens across the USB bus, lists are processed in
|
1178 | 0d92ed30 | pbrook | * next frame
|
1179 | 0d92ed30 | pbrook | */
|
1180 | 0d92ed30 | pbrook | static int ohci_bus_start(OHCIState *ohci) |
1181 | 0d92ed30 | pbrook | { |
1182 | 0d92ed30 | pbrook | ohci->eof_timer = qemu_new_timer(vm_clock, |
1183 | 0d92ed30 | pbrook | ohci_frame_boundary, |
1184 | 0d92ed30 | pbrook | ohci); |
1185 | 0d92ed30 | pbrook | |
1186 | 0d92ed30 | pbrook | if (ohci->eof_timer == NULL) { |
1187 | e24ad6f1 | pbrook | fprintf(stderr, "usb-ohci: %s: qemu_new_timer failed\n", ohci->name);
|
1188 | 0d92ed30 | pbrook | /* TODO: Signal unrecoverable error */
|
1189 | 0d92ed30 | pbrook | return 0; |
1190 | 0d92ed30 | pbrook | } |
1191 | 0d92ed30 | pbrook | |
1192 | e24ad6f1 | pbrook | dprintf("usb-ohci: %s: USB Operational\n", ohci->name);
|
1193 | 0d92ed30 | pbrook | |
1194 | 0d92ed30 | pbrook | ohci_sof(ohci); |
1195 | 0d92ed30 | pbrook | |
1196 | 0d92ed30 | pbrook | return 1; |
1197 | 0d92ed30 | pbrook | } |
1198 | 0d92ed30 | pbrook | |
1199 | 0d92ed30 | pbrook | /* Stop sending SOF tokens on the bus */
|
1200 | 0d92ed30 | pbrook | static void ohci_bus_stop(OHCIState *ohci) |
1201 | 0d92ed30 | pbrook | { |
1202 | 0d92ed30 | pbrook | if (ohci->eof_timer)
|
1203 | 0d92ed30 | pbrook | qemu_del_timer(ohci->eof_timer); |
1204 | 73221b12 | ths | ohci->eof_timer = NULL;
|
1205 | 0d92ed30 | pbrook | } |
1206 | 0d92ed30 | pbrook | |
1207 | 0d92ed30 | pbrook | /* Sets a flag in a port status register but only set it if the port is
|
1208 | 0d92ed30 | pbrook | * connected, if not set ConnectStatusChange flag. If flag is enabled
|
1209 | 0d92ed30 | pbrook | * return 1.
|
1210 | 0d92ed30 | pbrook | */
|
1211 | 0d92ed30 | pbrook | static int ohci_port_set_if_connected(OHCIState *ohci, int i, uint32_t val) |
1212 | 0d92ed30 | pbrook | { |
1213 | 0d92ed30 | pbrook | int ret = 1; |
1214 | 0d92ed30 | pbrook | |
1215 | 0d92ed30 | pbrook | /* writing a 0 has no effect */
|
1216 | 0d92ed30 | pbrook | if (val == 0) |
1217 | 0d92ed30 | pbrook | return 0; |
1218 | 0d92ed30 | pbrook | |
1219 | 0d92ed30 | pbrook | /* If CurrentConnectStatus is cleared we set
|
1220 | 0d92ed30 | pbrook | * ConnectStatusChange
|
1221 | 0d92ed30 | pbrook | */
|
1222 | 0d92ed30 | pbrook | if (!(ohci->rhport[i].ctrl & OHCI_PORT_CCS)) {
|
1223 | 0d92ed30 | pbrook | ohci->rhport[i].ctrl |= OHCI_PORT_CSC; |
1224 | 0d92ed30 | pbrook | if (ohci->rhstatus & OHCI_RHS_DRWE) {
|
1225 | 0d92ed30 | pbrook | /* TODO: CSC is a wakeup event */
|
1226 | 0d92ed30 | pbrook | } |
1227 | 0d92ed30 | pbrook | return 0; |
1228 | 0d92ed30 | pbrook | } |
1229 | 0d92ed30 | pbrook | |
1230 | 0d92ed30 | pbrook | if (ohci->rhport[i].ctrl & val)
|
1231 | 0d92ed30 | pbrook | ret = 0;
|
1232 | 0d92ed30 | pbrook | |
1233 | 0d92ed30 | pbrook | /* set the bit */
|
1234 | 0d92ed30 | pbrook | ohci->rhport[i].ctrl |= val; |
1235 | 0d92ed30 | pbrook | |
1236 | 0d92ed30 | pbrook | return ret;
|
1237 | 0d92ed30 | pbrook | } |
1238 | 0d92ed30 | pbrook | |
1239 | 0d92ed30 | pbrook | /* Set the frame interval - frame interval toggle is manipulated by the hcd only */
|
1240 | 0d92ed30 | pbrook | static void ohci_set_frame_interval(OHCIState *ohci, uint16_t val) |
1241 | 0d92ed30 | pbrook | { |
1242 | 0d92ed30 | pbrook | val &= OHCI_FMI_FI; |
1243 | 0d92ed30 | pbrook | |
1244 | 0d92ed30 | pbrook | if (val != ohci->fi) {
|
1245 | 0d92ed30 | pbrook | dprintf("usb-ohci: %s: FrameInterval = 0x%x (%u)\n",
|
1246 | e24ad6f1 | pbrook | ohci->name, ohci->fi, ohci->fi); |
1247 | 0d92ed30 | pbrook | } |
1248 | 0d92ed30 | pbrook | |
1249 | 0d92ed30 | pbrook | ohci->fi = val; |
1250 | 0d92ed30 | pbrook | } |
1251 | 0d92ed30 | pbrook | |
1252 | 0d92ed30 | pbrook | static void ohci_port_power(OHCIState *ohci, int i, int p) |
1253 | 0d92ed30 | pbrook | { |
1254 | 0d92ed30 | pbrook | if (p) {
|
1255 | 0d92ed30 | pbrook | ohci->rhport[i].ctrl |= OHCI_PORT_PPS; |
1256 | 0d92ed30 | pbrook | } else {
|
1257 | 0d92ed30 | pbrook | ohci->rhport[i].ctrl &= ~(OHCI_PORT_PPS| |
1258 | 0d92ed30 | pbrook | OHCI_PORT_CCS| |
1259 | 0d92ed30 | pbrook | OHCI_PORT_PSS| |
1260 | 0d92ed30 | pbrook | OHCI_PORT_PRS); |
1261 | 0d92ed30 | pbrook | } |
1262 | 0d92ed30 | pbrook | } |
1263 | 0d92ed30 | pbrook | |
1264 | 0d92ed30 | pbrook | /* Set HcControlRegister */
|
1265 | 0d92ed30 | pbrook | static void ohci_set_ctl(OHCIState *ohci, uint32_t val) |
1266 | 0d92ed30 | pbrook | { |
1267 | 0d92ed30 | pbrook | uint32_t old_state; |
1268 | 0d92ed30 | pbrook | uint32_t new_state; |
1269 | 0d92ed30 | pbrook | |
1270 | 0d92ed30 | pbrook | old_state = ohci->ctl & OHCI_CTL_HCFS; |
1271 | 0d92ed30 | pbrook | ohci->ctl = val; |
1272 | 0d92ed30 | pbrook | new_state = ohci->ctl & OHCI_CTL_HCFS; |
1273 | 0d92ed30 | pbrook | |
1274 | 0d92ed30 | pbrook | /* no state change */
|
1275 | 0d92ed30 | pbrook | if (old_state == new_state)
|
1276 | 0d92ed30 | pbrook | return;
|
1277 | 0d92ed30 | pbrook | |
1278 | 0d92ed30 | pbrook | switch (new_state) {
|
1279 | 0d92ed30 | pbrook | case OHCI_USB_OPERATIONAL:
|
1280 | 0d92ed30 | pbrook | ohci_bus_start(ohci); |
1281 | 0d92ed30 | pbrook | break;
|
1282 | 0d92ed30 | pbrook | case OHCI_USB_SUSPEND:
|
1283 | 0d92ed30 | pbrook | ohci_bus_stop(ohci); |
1284 | e24ad6f1 | pbrook | dprintf("usb-ohci: %s: USB Suspended\n", ohci->name);
|
1285 | 0d92ed30 | pbrook | break;
|
1286 | 0d92ed30 | pbrook | case OHCI_USB_RESUME:
|
1287 | e24ad6f1 | pbrook | dprintf("usb-ohci: %s: USB Resume\n", ohci->name);
|
1288 | 0d92ed30 | pbrook | break;
|
1289 | 0d92ed30 | pbrook | case OHCI_USB_RESET:
|
1290 | 73221b12 | ths | ohci_reset(ohci); |
1291 | e24ad6f1 | pbrook | dprintf("usb-ohci: %s: USB Reset\n", ohci->name);
|
1292 | 0d92ed30 | pbrook | break;
|
1293 | 0d92ed30 | pbrook | } |
1294 | 0d92ed30 | pbrook | } |
1295 | 0d92ed30 | pbrook | |
1296 | 0d92ed30 | pbrook | static uint32_t ohci_get_frame_remaining(OHCIState *ohci)
|
1297 | 0d92ed30 | pbrook | { |
1298 | 0d92ed30 | pbrook | uint16_t fr; |
1299 | 0d92ed30 | pbrook | int64_t tks; |
1300 | 0d92ed30 | pbrook | |
1301 | 0d92ed30 | pbrook | if ((ohci->ctl & OHCI_CTL_HCFS) != OHCI_USB_OPERATIONAL)
|
1302 | 0d92ed30 | pbrook | return (ohci->frt << 31); |
1303 | 0d92ed30 | pbrook | |
1304 | 0d92ed30 | pbrook | /* Being in USB operational state guarnatees sof_time was
|
1305 | 0d92ed30 | pbrook | * set already.
|
1306 | 0d92ed30 | pbrook | */
|
1307 | 0d92ed30 | pbrook | tks = qemu_get_clock(vm_clock) - ohci->sof_time; |
1308 | 0d92ed30 | pbrook | |
1309 | 0d92ed30 | pbrook | /* avoid muldiv if possible */
|
1310 | 0d92ed30 | pbrook | if (tks >= usb_frame_time)
|
1311 | 0d92ed30 | pbrook | return (ohci->frt << 31); |
1312 | 0d92ed30 | pbrook | |
1313 | 0d92ed30 | pbrook | tks = muldiv64(1, tks, usb_bit_time);
|
1314 | 0d92ed30 | pbrook | fr = (uint16_t)(ohci->fi - tks); |
1315 | 0d92ed30 | pbrook | |
1316 | 0d92ed30 | pbrook | return (ohci->frt << 31) | fr; |
1317 | 0d92ed30 | pbrook | } |
1318 | 0d92ed30 | pbrook | |
1319 | 0d92ed30 | pbrook | |
1320 | 0d92ed30 | pbrook | /* Set root hub status */
|
1321 | 0d92ed30 | pbrook | static void ohci_set_hub_status(OHCIState *ohci, uint32_t val) |
1322 | 0d92ed30 | pbrook | { |
1323 | 0d92ed30 | pbrook | uint32_t old_state; |
1324 | 0d92ed30 | pbrook | |
1325 | 0d92ed30 | pbrook | old_state = ohci->rhstatus; |
1326 | 0d92ed30 | pbrook | |
1327 | 0d92ed30 | pbrook | /* write 1 to clear OCIC */
|
1328 | 0d92ed30 | pbrook | if (val & OHCI_RHS_OCIC)
|
1329 | 0d92ed30 | pbrook | ohci->rhstatus &= ~OHCI_RHS_OCIC; |
1330 | 0d92ed30 | pbrook | |
1331 | 0d92ed30 | pbrook | if (val & OHCI_RHS_LPS) {
|
1332 | 0d92ed30 | pbrook | int i;
|
1333 | 0d92ed30 | pbrook | |
1334 | 0d92ed30 | pbrook | for (i = 0; i < ohci->num_ports; i++) |
1335 | 0d92ed30 | pbrook | ohci_port_power(ohci, i, 0);
|
1336 | 0d92ed30 | pbrook | dprintf("usb-ohci: powered down all ports\n");
|
1337 | 0d92ed30 | pbrook | } |
1338 | 0d92ed30 | pbrook | |
1339 | 0d92ed30 | pbrook | if (val & OHCI_RHS_LPSC) {
|
1340 | 0d92ed30 | pbrook | int i;
|
1341 | 0d92ed30 | pbrook | |
1342 | 0d92ed30 | pbrook | for (i = 0; i < ohci->num_ports; i++) |
1343 | 0d92ed30 | pbrook | ohci_port_power(ohci, i, 1);
|
1344 | 0d92ed30 | pbrook | dprintf("usb-ohci: powered up all ports\n");
|
1345 | 0d92ed30 | pbrook | } |
1346 | 0d92ed30 | pbrook | |
1347 | 0d92ed30 | pbrook | if (val & OHCI_RHS_DRWE)
|
1348 | 0d92ed30 | pbrook | ohci->rhstatus |= OHCI_RHS_DRWE; |
1349 | 0d92ed30 | pbrook | |
1350 | 0d92ed30 | pbrook | if (val & OHCI_RHS_CRWE)
|
1351 | 0d92ed30 | pbrook | ohci->rhstatus &= ~OHCI_RHS_DRWE; |
1352 | 0d92ed30 | pbrook | |
1353 | 0d92ed30 | pbrook | if (old_state != ohci->rhstatus)
|
1354 | 0d92ed30 | pbrook | ohci_set_interrupt(ohci, OHCI_INTR_RHSC); |
1355 | 0d92ed30 | pbrook | } |
1356 | 0d92ed30 | pbrook | |
1357 | 0d92ed30 | pbrook | /* Set root hub port status */
|
1358 | 0d92ed30 | pbrook | static void ohci_port_set_status(OHCIState *ohci, int portnum, uint32_t val) |
1359 | 0d92ed30 | pbrook | { |
1360 | 0d92ed30 | pbrook | uint32_t old_state; |
1361 | 0d92ed30 | pbrook | OHCIPort *port; |
1362 | 0d92ed30 | pbrook | |
1363 | 0d92ed30 | pbrook | port = &ohci->rhport[portnum]; |
1364 | 0d92ed30 | pbrook | old_state = port->ctrl; |
1365 | 0d92ed30 | pbrook | |
1366 | 0d92ed30 | pbrook | /* Write to clear CSC, PESC, PSSC, OCIC, PRSC */
|
1367 | 0d92ed30 | pbrook | if (val & OHCI_PORT_WTC)
|
1368 | 0d92ed30 | pbrook | port->ctrl &= ~(val & OHCI_PORT_WTC); |
1369 | 0d92ed30 | pbrook | |
1370 | 0d92ed30 | pbrook | if (val & OHCI_PORT_CCS)
|
1371 | 0d92ed30 | pbrook | port->ctrl &= ~OHCI_PORT_PES; |
1372 | 0d92ed30 | pbrook | |
1373 | 0d92ed30 | pbrook | ohci_port_set_if_connected(ohci, portnum, val & OHCI_PORT_PES); |
1374 | 0d92ed30 | pbrook | |
1375 | 0d92ed30 | pbrook | if (ohci_port_set_if_connected(ohci, portnum, val & OHCI_PORT_PSS))
|
1376 | 0d92ed30 | pbrook | dprintf("usb-ohci: port %d: SUSPEND\n", portnum);
|
1377 | 0d92ed30 | pbrook | |
1378 | 0d92ed30 | pbrook | if (ohci_port_set_if_connected(ohci, portnum, val & OHCI_PORT_PRS)) {
|
1379 | 0d92ed30 | pbrook | dprintf("usb-ohci: port %d: RESET\n", portnum);
|
1380 | 4d611c9a | pbrook | usb_send_msg(port->port.dev, USB_MSG_RESET); |
1381 | 0d92ed30 | pbrook | port->ctrl &= ~OHCI_PORT_PRS; |
1382 | 0d92ed30 | pbrook | /* ??? Should this also set OHCI_PORT_PESC. */
|
1383 | 0d92ed30 | pbrook | port->ctrl |= OHCI_PORT_PES | OHCI_PORT_PRSC; |
1384 | 0d92ed30 | pbrook | } |
1385 | 0d92ed30 | pbrook | |
1386 | 0d92ed30 | pbrook | /* Invert order here to ensure in ambiguous case, device is
|
1387 | 0d92ed30 | pbrook | * powered up...
|
1388 | 0d92ed30 | pbrook | */
|
1389 | 0d92ed30 | pbrook | if (val & OHCI_PORT_LSDA)
|
1390 | 0d92ed30 | pbrook | ohci_port_power(ohci, portnum, 0);
|
1391 | 0d92ed30 | pbrook | if (val & OHCI_PORT_PPS)
|
1392 | 0d92ed30 | pbrook | ohci_port_power(ohci, portnum, 1);
|
1393 | 0d92ed30 | pbrook | |
1394 | 0d92ed30 | pbrook | if (old_state != port->ctrl)
|
1395 | 0d92ed30 | pbrook | ohci_set_interrupt(ohci, OHCI_INTR_RHSC); |
1396 | 0d92ed30 | pbrook | |
1397 | 0d92ed30 | pbrook | return;
|
1398 | 0d92ed30 | pbrook | } |
1399 | 0d92ed30 | pbrook | |
1400 | 0d92ed30 | pbrook | static uint32_t ohci_mem_read(void *ptr, target_phys_addr_t addr) |
1401 | 0d92ed30 | pbrook | { |
1402 | 0d92ed30 | pbrook | OHCIState *ohci = ptr; |
1403 | 65e1d81b | aurel32 | uint32_t retval; |
1404 | 0d92ed30 | pbrook | |
1405 | 0d92ed30 | pbrook | /* Only aligned reads are allowed on OHCI */
|
1406 | 0d92ed30 | pbrook | if (addr & 3) { |
1407 | 0d92ed30 | pbrook | fprintf(stderr, "usb-ohci: Mis-aligned read\n");
|
1408 | 0d92ed30 | pbrook | return 0xffffffff; |
1409 | 65e1d81b | aurel32 | } else if (addr >= 0x54 && addr < 0x54 + ohci->num_ports * 4) { |
1410 | 0d92ed30 | pbrook | /* HcRhPortStatus */
|
1411 | 65e1d81b | aurel32 | retval = ohci->rhport[(addr - 0x54) >> 2].ctrl | OHCI_PORT_PPS; |
1412 | 65e1d81b | aurel32 | } else {
|
1413 | 65e1d81b | aurel32 | switch (addr >> 2) { |
1414 | 65e1d81b | aurel32 | case 0: /* HcRevision */ |
1415 | 65e1d81b | aurel32 | retval = 0x10;
|
1416 | 65e1d81b | aurel32 | break;
|
1417 | 65e1d81b | aurel32 | |
1418 | 65e1d81b | aurel32 | case 1: /* HcControl */ |
1419 | 65e1d81b | aurel32 | retval = ohci->ctl; |
1420 | 65e1d81b | aurel32 | break;
|
1421 | 65e1d81b | aurel32 | |
1422 | 65e1d81b | aurel32 | case 2: /* HcCommandStatus */ |
1423 | 65e1d81b | aurel32 | retval = ohci->status; |
1424 | 65e1d81b | aurel32 | break;
|
1425 | 65e1d81b | aurel32 | |
1426 | 65e1d81b | aurel32 | case 3: /* HcInterruptStatus */ |
1427 | 65e1d81b | aurel32 | retval = ohci->intr_status; |
1428 | 65e1d81b | aurel32 | break;
|
1429 | 65e1d81b | aurel32 | |
1430 | 65e1d81b | aurel32 | case 4: /* HcInterruptEnable */ |
1431 | 65e1d81b | aurel32 | case 5: /* HcInterruptDisable */ |
1432 | 65e1d81b | aurel32 | retval = ohci->intr; |
1433 | 65e1d81b | aurel32 | break;
|
1434 | 65e1d81b | aurel32 | |
1435 | 65e1d81b | aurel32 | case 6: /* HcHCCA */ |
1436 | 65e1d81b | aurel32 | retval = ohci->hcca; |
1437 | 65e1d81b | aurel32 | break;
|
1438 | 65e1d81b | aurel32 | |
1439 | 65e1d81b | aurel32 | case 7: /* HcPeriodCurrentED */ |
1440 | 65e1d81b | aurel32 | retval = ohci->per_cur; |
1441 | 65e1d81b | aurel32 | break;
|
1442 | 65e1d81b | aurel32 | |
1443 | 65e1d81b | aurel32 | case 8: /* HcControlHeadED */ |
1444 | 65e1d81b | aurel32 | retval = ohci->ctrl_head; |
1445 | 65e1d81b | aurel32 | break;
|
1446 | 65e1d81b | aurel32 | |
1447 | 65e1d81b | aurel32 | case 9: /* HcControlCurrentED */ |
1448 | 65e1d81b | aurel32 | retval = ohci->ctrl_cur; |
1449 | 65e1d81b | aurel32 | break;
|
1450 | 65e1d81b | aurel32 | |
1451 | 65e1d81b | aurel32 | case 10: /* HcBulkHeadED */ |
1452 | 65e1d81b | aurel32 | retval = ohci->bulk_head; |
1453 | 65e1d81b | aurel32 | break;
|
1454 | 65e1d81b | aurel32 | |
1455 | 65e1d81b | aurel32 | case 11: /* HcBulkCurrentED */ |
1456 | 65e1d81b | aurel32 | retval = ohci->bulk_cur; |
1457 | 65e1d81b | aurel32 | break;
|
1458 | 65e1d81b | aurel32 | |
1459 | 65e1d81b | aurel32 | case 12: /* HcDoneHead */ |
1460 | 65e1d81b | aurel32 | retval = ohci->done; |
1461 | 65e1d81b | aurel32 | break;
|
1462 | 65e1d81b | aurel32 | |
1463 | 65e1d81b | aurel32 | case 13: /* HcFmInterretval */ |
1464 | 65e1d81b | aurel32 | retval = (ohci->fit << 31) | (ohci->fsmps << 16) | (ohci->fi); |
1465 | 65e1d81b | aurel32 | break;
|
1466 | 65e1d81b | aurel32 | |
1467 | 65e1d81b | aurel32 | case 14: /* HcFmRemaining */ |
1468 | 65e1d81b | aurel32 | retval = ohci_get_frame_remaining(ohci); |
1469 | 65e1d81b | aurel32 | break;
|
1470 | 65e1d81b | aurel32 | |
1471 | 65e1d81b | aurel32 | case 15: /* HcFmNumber */ |
1472 | 65e1d81b | aurel32 | retval = ohci->frame_number; |
1473 | 65e1d81b | aurel32 | break;
|
1474 | 65e1d81b | aurel32 | |
1475 | 65e1d81b | aurel32 | case 16: /* HcPeriodicStart */ |
1476 | 65e1d81b | aurel32 | retval = ohci->pstart; |
1477 | 65e1d81b | aurel32 | break;
|
1478 | 65e1d81b | aurel32 | |
1479 | 65e1d81b | aurel32 | case 17: /* HcLSThreshold */ |
1480 | 65e1d81b | aurel32 | retval = ohci->lst; |
1481 | 65e1d81b | aurel32 | break;
|
1482 | 65e1d81b | aurel32 | |
1483 | 65e1d81b | aurel32 | case 18: /* HcRhDescriptorA */ |
1484 | 65e1d81b | aurel32 | retval = ohci->rhdesc_a; |
1485 | 65e1d81b | aurel32 | break;
|
1486 | 65e1d81b | aurel32 | |
1487 | 65e1d81b | aurel32 | case 19: /* HcRhDescriptorB */ |
1488 | 65e1d81b | aurel32 | retval = ohci->rhdesc_b; |
1489 | 65e1d81b | aurel32 | break;
|
1490 | 65e1d81b | aurel32 | |
1491 | 65e1d81b | aurel32 | case 20: /* HcRhStatus */ |
1492 | 65e1d81b | aurel32 | retval = ohci->rhstatus; |
1493 | 65e1d81b | aurel32 | break;
|
1494 | 65e1d81b | aurel32 | |
1495 | 65e1d81b | aurel32 | /* PXA27x specific registers */
|
1496 | 65e1d81b | aurel32 | case 24: /* HcStatus */ |
1497 | 65e1d81b | aurel32 | retval = ohci->hstatus & ohci->hmask; |
1498 | 65e1d81b | aurel32 | break;
|
1499 | 65e1d81b | aurel32 | |
1500 | 65e1d81b | aurel32 | case 25: /* HcHReset */ |
1501 | 65e1d81b | aurel32 | retval = ohci->hreset; |
1502 | 65e1d81b | aurel32 | break;
|
1503 | 65e1d81b | aurel32 | |
1504 | 65e1d81b | aurel32 | case 26: /* HcHInterruptEnable */ |
1505 | 65e1d81b | aurel32 | retval = ohci->hmask; |
1506 | 65e1d81b | aurel32 | break;
|
1507 | 65e1d81b | aurel32 | |
1508 | 65e1d81b | aurel32 | case 27: /* HcHInterruptTest */ |
1509 | 65e1d81b | aurel32 | retval = ohci->htest; |
1510 | 65e1d81b | aurel32 | break;
|
1511 | 65e1d81b | aurel32 | |
1512 | 65e1d81b | aurel32 | default:
|
1513 | 65e1d81b | aurel32 | fprintf(stderr, "ohci_read: Bad offset %x\n", (int)addr); |
1514 | 65e1d81b | aurel32 | retval = 0xffffffff;
|
1515 | 65e1d81b | aurel32 | } |
1516 | 0d92ed30 | pbrook | } |
1517 | 0d92ed30 | pbrook | |
1518 | 65e1d81b | aurel32 | #ifdef TARGET_WORDS_BIGENDIAN
|
1519 | 65e1d81b | aurel32 | retval = bswap32(retval); |
1520 | 65e1d81b | aurel32 | #endif
|
1521 | 65e1d81b | aurel32 | return retval;
|
1522 | 0d92ed30 | pbrook | } |
1523 | 0d92ed30 | pbrook | |
1524 | 0d92ed30 | pbrook | static void ohci_mem_write(void *ptr, target_phys_addr_t addr, uint32_t val) |
1525 | 0d92ed30 | pbrook | { |
1526 | 0d92ed30 | pbrook | OHCIState *ohci = ptr; |
1527 | 0d92ed30 | pbrook | |
1528 | 65e1d81b | aurel32 | #ifdef TARGET_WORDS_BIGENDIAN
|
1529 | 65e1d81b | aurel32 | val = bswap32(val); |
1530 | 65e1d81b | aurel32 | #endif
|
1531 | 65e1d81b | aurel32 | |
1532 | 0d92ed30 | pbrook | /* Only aligned reads are allowed on OHCI */
|
1533 | 0d92ed30 | pbrook | if (addr & 3) { |
1534 | 0d92ed30 | pbrook | fprintf(stderr, "usb-ohci: Mis-aligned write\n");
|
1535 | 0d92ed30 | pbrook | return;
|
1536 | 0d92ed30 | pbrook | } |
1537 | 0d92ed30 | pbrook | |
1538 | 0d92ed30 | pbrook | if (addr >= 0x54 && addr < 0x54 + ohci->num_ports * 4) { |
1539 | 0d92ed30 | pbrook | /* HcRhPortStatus */
|
1540 | 0d92ed30 | pbrook | ohci_port_set_status(ohci, (addr - 0x54) >> 2, val); |
1541 | 0d92ed30 | pbrook | return;
|
1542 | 0d92ed30 | pbrook | } |
1543 | 0d92ed30 | pbrook | |
1544 | 0d92ed30 | pbrook | switch (addr >> 2) { |
1545 | 0d92ed30 | pbrook | case 1: /* HcControl */ |
1546 | 0d92ed30 | pbrook | ohci_set_ctl(ohci, val); |
1547 | 0d92ed30 | pbrook | break;
|
1548 | 0d92ed30 | pbrook | |
1549 | 0d92ed30 | pbrook | case 2: /* HcCommandStatus */ |
1550 | 0d92ed30 | pbrook | /* SOC is read-only */
|
1551 | 0d92ed30 | pbrook | val = (val & ~OHCI_STATUS_SOC); |
1552 | 0d92ed30 | pbrook | |
1553 | 0d92ed30 | pbrook | /* Bits written as '0' remain unchanged in the register */
|
1554 | 0d92ed30 | pbrook | ohci->status |= val; |
1555 | 0d92ed30 | pbrook | |
1556 | 0d92ed30 | pbrook | if (ohci->status & OHCI_STATUS_HCR)
|
1557 | 0d92ed30 | pbrook | ohci_reset(ohci); |
1558 | 0d92ed30 | pbrook | break;
|
1559 | 0d92ed30 | pbrook | |
1560 | 0d92ed30 | pbrook | case 3: /* HcInterruptStatus */ |
1561 | 0d92ed30 | pbrook | ohci->intr_status &= ~val; |
1562 | 0d92ed30 | pbrook | ohci_intr_update(ohci); |
1563 | 0d92ed30 | pbrook | break;
|
1564 | 0d92ed30 | pbrook | |
1565 | 0d92ed30 | pbrook | case 4: /* HcInterruptEnable */ |
1566 | 0d92ed30 | pbrook | ohci->intr |= val; |
1567 | 0d92ed30 | pbrook | ohci_intr_update(ohci); |
1568 | 0d92ed30 | pbrook | break;
|
1569 | 0d92ed30 | pbrook | |
1570 | 0d92ed30 | pbrook | case 5: /* HcInterruptDisable */ |
1571 | 0d92ed30 | pbrook | ohci->intr &= ~val; |
1572 | 0d92ed30 | pbrook | ohci_intr_update(ohci); |
1573 | 0d92ed30 | pbrook | break;
|
1574 | 0d92ed30 | pbrook | |
1575 | 0d92ed30 | pbrook | case 6: /* HcHCCA */ |
1576 | 0d92ed30 | pbrook | ohci->hcca = val & OHCI_HCCA_MASK; |
1577 | 0d92ed30 | pbrook | break;
|
1578 | 0d92ed30 | pbrook | |
1579 | 0d92ed30 | pbrook | case 8: /* HcControlHeadED */ |
1580 | 0d92ed30 | pbrook | ohci->ctrl_head = val & OHCI_EDPTR_MASK; |
1581 | 0d92ed30 | pbrook | break;
|
1582 | 0d92ed30 | pbrook | |
1583 | 0d92ed30 | pbrook | case 9: /* HcControlCurrentED */ |
1584 | 0d92ed30 | pbrook | ohci->ctrl_cur = val & OHCI_EDPTR_MASK; |
1585 | 0d92ed30 | pbrook | break;
|
1586 | 0d92ed30 | pbrook | |
1587 | 0d92ed30 | pbrook | case 10: /* HcBulkHeadED */ |
1588 | 0d92ed30 | pbrook | ohci->bulk_head = val & OHCI_EDPTR_MASK; |
1589 | 0d92ed30 | pbrook | break;
|
1590 | 0d92ed30 | pbrook | |
1591 | 0d92ed30 | pbrook | case 11: /* HcBulkCurrentED */ |
1592 | 0d92ed30 | pbrook | ohci->bulk_cur = val & OHCI_EDPTR_MASK; |
1593 | 0d92ed30 | pbrook | break;
|
1594 | 0d92ed30 | pbrook | |
1595 | 0d92ed30 | pbrook | case 13: /* HcFmInterval */ |
1596 | 0d92ed30 | pbrook | ohci->fsmps = (val & OHCI_FMI_FSMPS) >> 16;
|
1597 | 0d92ed30 | pbrook | ohci->fit = (val & OHCI_FMI_FIT) >> 31;
|
1598 | 0d92ed30 | pbrook | ohci_set_frame_interval(ohci, val); |
1599 | 0d92ed30 | pbrook | break;
|
1600 | 0d92ed30 | pbrook | |
1601 | 7bfe5777 | balrog | case 15: /* HcFmNumber */ |
1602 | 7bfe5777 | balrog | break;
|
1603 | 7bfe5777 | balrog | |
1604 | 0d92ed30 | pbrook | case 16: /* HcPeriodicStart */ |
1605 | 0d92ed30 | pbrook | ohci->pstart = val & 0xffff;
|
1606 | 0d92ed30 | pbrook | break;
|
1607 | 0d92ed30 | pbrook | |
1608 | 0d92ed30 | pbrook | case 17: /* HcLSThreshold */ |
1609 | 0d92ed30 | pbrook | ohci->lst = val & 0xffff;
|
1610 | 0d92ed30 | pbrook | break;
|
1611 | 0d92ed30 | pbrook | |
1612 | 0d92ed30 | pbrook | case 18: /* HcRhDescriptorA */ |
1613 | 0d92ed30 | pbrook | ohci->rhdesc_a &= ~OHCI_RHA_RW_MASK; |
1614 | 0d92ed30 | pbrook | ohci->rhdesc_a |= val & OHCI_RHA_RW_MASK; |
1615 | 0d92ed30 | pbrook | break;
|
1616 | 0d92ed30 | pbrook | |
1617 | 0d92ed30 | pbrook | case 19: /* HcRhDescriptorB */ |
1618 | 0d92ed30 | pbrook | break;
|
1619 | 0d92ed30 | pbrook | |
1620 | 0d92ed30 | pbrook | case 20: /* HcRhStatus */ |
1621 | 0d92ed30 | pbrook | ohci_set_hub_status(ohci, val); |
1622 | 0d92ed30 | pbrook | break;
|
1623 | 0d92ed30 | pbrook | |
1624 | e24ad6f1 | pbrook | /* PXA27x specific registers */
|
1625 | e24ad6f1 | pbrook | case 24: /* HcStatus */ |
1626 | e24ad6f1 | pbrook | ohci->hstatus &= ~(val & ohci->hmask); |
1627 | e24ad6f1 | pbrook | |
1628 | e24ad6f1 | pbrook | case 25: /* HcHReset */ |
1629 | e24ad6f1 | pbrook | ohci->hreset = val & ~OHCI_HRESET_FSBIR; |
1630 | e24ad6f1 | pbrook | if (val & OHCI_HRESET_FSBIR)
|
1631 | e24ad6f1 | pbrook | ohci_reset(ohci); |
1632 | e24ad6f1 | pbrook | break;
|
1633 | e24ad6f1 | pbrook | |
1634 | e24ad6f1 | pbrook | case 26: /* HcHInterruptEnable */ |
1635 | e24ad6f1 | pbrook | ohci->hmask = val; |
1636 | e24ad6f1 | pbrook | break;
|
1637 | e24ad6f1 | pbrook | |
1638 | e24ad6f1 | pbrook | case 27: /* HcHInterruptTest */ |
1639 | e24ad6f1 | pbrook | ohci->htest = val; |
1640 | e24ad6f1 | pbrook | break;
|
1641 | e24ad6f1 | pbrook | |
1642 | 0d92ed30 | pbrook | default:
|
1643 | 0d92ed30 | pbrook | fprintf(stderr, "ohci_write: Bad offset %x\n", (int)addr); |
1644 | 0d92ed30 | pbrook | break;
|
1645 | 0d92ed30 | pbrook | } |
1646 | 0d92ed30 | pbrook | } |
1647 | 0d92ed30 | pbrook | |
1648 | 0d92ed30 | pbrook | /* Only dword reads are defined on OHCI register space */
|
1649 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const ohci_readfn[3]={ |
1650 | 0d92ed30 | pbrook | ohci_mem_read, |
1651 | 0d92ed30 | pbrook | ohci_mem_read, |
1652 | 0d92ed30 | pbrook | ohci_mem_read |
1653 | 0d92ed30 | pbrook | }; |
1654 | 0d92ed30 | pbrook | |
1655 | 0d92ed30 | pbrook | /* Only dword writes are defined on OHCI register space */
|
1656 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const ohci_writefn[3]={ |
1657 | 0d92ed30 | pbrook | ohci_mem_write, |
1658 | 0d92ed30 | pbrook | ohci_mem_write, |
1659 | 0d92ed30 | pbrook | ohci_mem_write |
1660 | 0d92ed30 | pbrook | }; |
1661 | 0d92ed30 | pbrook | |
1662 | e24ad6f1 | pbrook | static void usb_ohci_init(OHCIState *ohci, int num_ports, int devfn, |
1663 | ac611340 | aurel32 | qemu_irq irq, enum ohci_type type,
|
1664 | ac611340 | aurel32 | const char *name, uint32_t localmem_base) |
1665 | 0d92ed30 | pbrook | { |
1666 | 0d92ed30 | pbrook | int i;
|
1667 | 0d92ed30 | pbrook | |
1668 | 0d92ed30 | pbrook | if (usb_frame_time == 0) { |
1669 | eb38c52c | blueswir1 | #ifdef OHCI_TIME_WARP
|
1670 | 0d92ed30 | pbrook | usb_frame_time = ticks_per_sec; |
1671 | 0d92ed30 | pbrook | usb_bit_time = muldiv64(1, ticks_per_sec, USB_HZ/1000); |
1672 | 0d92ed30 | pbrook | #else
|
1673 | 0d92ed30 | pbrook | usb_frame_time = muldiv64(1, ticks_per_sec, 1000); |
1674 | 0d92ed30 | pbrook | if (ticks_per_sec >= USB_HZ) {
|
1675 | 0d92ed30 | pbrook | usb_bit_time = muldiv64(1, ticks_per_sec, USB_HZ);
|
1676 | 0d92ed30 | pbrook | } else {
|
1677 | 0d92ed30 | pbrook | usb_bit_time = 1;
|
1678 | 0d92ed30 | pbrook | } |
1679 | 0d92ed30 | pbrook | #endif
|
1680 | 0bf9e31a | Blue Swirl | dprintf("usb-ohci: usb_bit_time=%" PRId64 " usb_frame_time=%" PRId64 "\n", |
1681 | 0d92ed30 | pbrook | usb_frame_time, usb_bit_time); |
1682 | 0d92ed30 | pbrook | } |
1683 | 0d92ed30 | pbrook | |
1684 | 1eed09cb | Avi Kivity | ohci->mem = cpu_register_io_memory(ohci_readfn, ohci_writefn, ohci); |
1685 | ac611340 | aurel32 | ohci->localmem_base = localmem_base; |
1686 | e24ad6f1 | pbrook | ohci->name = name; |
1687 | e24ad6f1 | pbrook | |
1688 | e24ad6f1 | pbrook | ohci->irq = irq; |
1689 | e24ad6f1 | pbrook | ohci->type = type; |
1690 | e24ad6f1 | pbrook | |
1691 | e24ad6f1 | pbrook | ohci->num_ports = num_ports; |
1692 | e24ad6f1 | pbrook | for (i = 0; i < num_ports; i++) { |
1693 | e24ad6f1 | pbrook | qemu_register_usb_port(&ohci->rhport[i].port, ohci, i, ohci_attach); |
1694 | e24ad6f1 | pbrook | } |
1695 | e24ad6f1 | pbrook | |
1696 | e24ad6f1 | pbrook | ohci->async_td = 0;
|
1697 | a08d4367 | Jan Kiszka | qemu_register_reset(ohci_reset, ohci); |
1698 | e24ad6f1 | pbrook | ohci_reset(ohci); |
1699 | e24ad6f1 | pbrook | } |
1700 | e24ad6f1 | pbrook | |
1701 | e24ad6f1 | pbrook | typedef struct { |
1702 | e24ad6f1 | pbrook | PCIDevice pci_dev; |
1703 | e24ad6f1 | pbrook | OHCIState state; |
1704 | e24ad6f1 | pbrook | } OHCIPCIState; |
1705 | e24ad6f1 | pbrook | |
1706 | e24ad6f1 | pbrook | static void ohci_mapfunc(PCIDevice *pci_dev, int i, |
1707 | e24ad6f1 | pbrook | uint32_t addr, uint32_t size, int type)
|
1708 | e24ad6f1 | pbrook | { |
1709 | 505da599 | Juan Quintela | OHCIPCIState *ohci = DO_UPCAST(OHCIPCIState, pci_dev, pci_dev); |
1710 | e24ad6f1 | pbrook | cpu_register_physical_memory(addr, size, ohci->state.mem); |
1711 | e24ad6f1 | pbrook | } |
1712 | e24ad6f1 | pbrook | |
1713 | e24ad6f1 | pbrook | void usb_ohci_init_pci(struct PCIBus *bus, int num_ports, int devfn) |
1714 | e24ad6f1 | pbrook | { |
1715 | e24ad6f1 | pbrook | OHCIPCIState *ohci; |
1716 | e24ad6f1 | pbrook | |
1717 | 505da599 | Juan Quintela | ohci = DO_UPCAST(OHCIPCIState, pci_dev, |
1718 | 505da599 | Juan Quintela | pci_register_device(bus, "OHCI USB", sizeof(*ohci), |
1719 | 505da599 | Juan Quintela | devfn, NULL, NULL)); |
1720 | 0d92ed30 | pbrook | if (ohci == NULL) { |
1721 | 0d92ed30 | pbrook | fprintf(stderr, "usb-ohci: Failed to register PCI device\n");
|
1722 | 0d92ed30 | pbrook | return;
|
1723 | 0d92ed30 | pbrook | } |
1724 | 0d92ed30 | pbrook | |
1725 | deb54399 | aliguori | pci_config_set_vendor_id(ohci->pci_dev.config, PCI_VENDOR_ID_APPLE); |
1726 | a770dc7e | aliguori | pci_config_set_device_id(ohci->pci_dev.config, |
1727 | a770dc7e | aliguori | PCI_DEVICE_ID_APPLE_IPID_USB); |
1728 | 0d92ed30 | pbrook | ohci->pci_dev.config[0x09] = 0x10; /* OHCI */ |
1729 | 173a543b | blueswir1 | pci_config_set_class(ohci->pci_dev.config, PCI_CLASS_SERIAL_USB); |
1730 | 0d92ed30 | pbrook | ohci->pci_dev.config[0x3d] = 0x01; /* interrupt pin 1 */ |
1731 | 0d92ed30 | pbrook | |
1732 | d537cf6c | pbrook | usb_ohci_init(&ohci->state, num_ports, devfn, ohci->pci_dev.irq[0],
|
1733 | ac611340 | aurel32 | OHCI_TYPE_PCI, ohci->pci_dev.name, 0);
|
1734 | 0d92ed30 | pbrook | |
1735 | 28c2c264 | Avi Kivity | pci_register_bar((struct PCIDevice *)ohci, 0, 256, |
1736 | 0d92ed30 | pbrook | PCI_ADDRESS_SPACE_MEM, ohci_mapfunc); |
1737 | e24ad6f1 | pbrook | } |
1738 | 0d92ed30 | pbrook | |
1739 | e24ad6f1 | pbrook | void usb_ohci_init_pxa(target_phys_addr_t base, int num_ports, int devfn, |
1740 | d537cf6c | pbrook | qemu_irq irq) |
1741 | e24ad6f1 | pbrook | { |
1742 | e24ad6f1 | pbrook | OHCIState *ohci = (OHCIState *)qemu_mallocz(sizeof(OHCIState));
|
1743 | 0d92ed30 | pbrook | |
1744 | d537cf6c | pbrook | usb_ohci_init(ohci, num_ports, devfn, irq, |
1745 | ac611340 | aurel32 | OHCI_TYPE_PXA, "OHCI USB", 0); |
1746 | e24ad6f1 | pbrook | |
1747 | 8da3ff18 | pbrook | cpu_register_physical_memory(base, 0x1000, ohci->mem);
|
1748 | 0d92ed30 | pbrook | } |
1749 | ac611340 | aurel32 | |
1750 | ac611340 | aurel32 | void usb_ohci_init_sm501(uint32_t mmio_base, uint32_t localmem_base,
|
1751 | ac611340 | aurel32 | int num_ports, int devfn, qemu_irq irq) |
1752 | ac611340 | aurel32 | { |
1753 | ac611340 | aurel32 | OHCIState *ohci = (OHCIState *)qemu_mallocz(sizeof(OHCIState));
|
1754 | ac611340 | aurel32 | |
1755 | ac611340 | aurel32 | usb_ohci_init(ohci, num_ports, devfn, irq, |
1756 | ac611340 | aurel32 | OHCI_TYPE_SM501, "OHCI USB", localmem_base);
|
1757 | ac611340 | aurel32 | |
1758 | ac611340 | aurel32 | cpu_register_physical_memory(mmio_base, 0x1000, ohci->mem);
|
1759 | ac611340 | aurel32 | } |