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ef79bbde P |
1 | /* |
2 | * Copyright (c) 2010, Wei Mingzhi <whistler@openoffice.org>. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * Based on: Cdrom for Psemu Pro like Emulators | |
6 | * By: linuzappz <linuzappz@hotmail.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, see <http://www.gnu.org/licenses>. | |
20 | */ | |
21 | ||
22 | #ifdef USE_LIBCDIO | |
23 | ||
24 | #include <cdio/cdio.h> | |
25 | #include <cdio/mmc.h> | |
26 | ||
27 | #include "cdr.h" | |
28 | ||
29 | static CdIo_t *cdHandle = NULL; | |
30 | ||
31 | static void SetSpeed(int speed) { | |
32 | speed *= 176; | |
33 | if (speed == 0) speed = 0xFFFF; | |
34 | ||
35 | cdio_set_speed(cdHandle, speed); | |
36 | } | |
37 | ||
38 | static void SetSpinDown(unsigned char spindown) { | |
39 | mmc_cdb_t cdb; | |
40 | char buf[16]; | |
41 | ||
42 | memset(&cdb, 0, sizeof(cdb)); | |
43 | ||
44 | cdb.field[0] = 0x5A; | |
45 | cdb.field[2] = 0x0D; | |
46 | cdb.field[8] = sizeof(buf); | |
47 | ||
48 | if (mmc_run_cmd(cdHandle, 10000, &cdb, SCSI_MMC_DATA_READ, sizeof(buf), buf) != DRIVER_OP_SUCCESS) | |
49 | return; | |
50 | ||
51 | buf[11] = (buf[11] & 0xF0) | (spindown & 0x0F); | |
52 | ||
53 | memset(&cdb, 0, sizeof(cdb)); | |
54 | memset(buf, 0, 2); | |
55 | ||
56 | cdb.field[0] = 0x55; | |
57 | cdb.field[1] = 0x10; | |
58 | cdb.field[8] = sizeof(buf); | |
59 | ||
60 | mmc_run_cmd(cdHandle, 10000, &cdb, SCSI_MMC_DATA_WRITE, sizeof(buf), buf); | |
61 | } | |
62 | ||
63 | static void UnlockDoor() { | |
64 | mmc_cdb_t cdb; | |
65 | ||
66 | memset(&cdb, 0, sizeof(cdb)); | |
67 | ||
68 | cdb.field[0] = 0x1E; | |
69 | cdb.field[4] = 0; | |
70 | ||
71 | mmc_run_cmd(cdHandle, 10000, &cdb, SCSI_MMC_DATA_WRITE, 0, NULL); | |
72 | } | |
73 | ||
74 | int OpenCdHandle(const char *dev) { | |
75 | if (dev == NULL || dev[0] == '\0') { | |
76 | if ((dev = cdio_get_default_device(NULL)) == NULL) { | |
77 | return -1; | |
78 | } | |
79 | } | |
80 | ||
81 | #ifdef __FreeBSD__ | |
82 | cdHandle = cdio_open_am_cd(dev, "CAM"); | |
83 | #else | |
84 | cdHandle = cdio_open_cd(dev); | |
85 | #endif | |
86 | ||
87 | if (cdHandle != NULL) { | |
88 | SetSpeed(CdrSpeed); | |
89 | SetSpinDown(SpinDown); | |
90 | UnlockDoor(); | |
91 | ||
92 | return 0; | |
93 | } | |
94 | ||
95 | return -1; | |
96 | } | |
97 | ||
98 | void CloseCdHandle() { | |
99 | if (cdHandle != NULL) { | |
100 | cdio_set_speed(cdHandle, 0xFFFF); | |
101 | SetSpinDown(SPINDOWN_VENDOR_SPECIFIC); | |
102 | ||
103 | cdio_destroy(cdHandle); | |
104 | } | |
105 | ||
106 | cdHandle = NULL; | |
107 | } | |
108 | ||
109 | int IsCdHandleOpen() { | |
110 | return (cdHandle != NULL); | |
111 | } | |
112 | ||
113 | long GetTN(unsigned char *buffer) { | |
114 | buffer[0] = cdio_get_first_track_num(cdHandle); | |
115 | buffer[1] = cdio_get_last_track_num(cdHandle); | |
116 | ||
117 | return 0; | |
118 | } | |
119 | ||
120 | long GetTD(unsigned char track, unsigned char *buffer) { | |
121 | msf_t msf; | |
122 | ||
123 | if (track == 0) track = CDIO_CDROM_LEADOUT_TRACK; | |
124 | ||
125 | if (!cdio_get_track_msf(cdHandle, track, &msf)) { | |
126 | memset(buffer + 1, 0, 3); | |
127 | return 0; | |
128 | } | |
129 | ||
130 | buffer[0] = btoi(msf.f); | |
131 | buffer[1] = btoi(msf.s); | |
132 | buffer[2] = btoi(msf.m); | |
133 | ||
134 | return 0; | |
135 | } | |
136 | ||
137 | long GetTE(unsigned char track, unsigned char *m, unsigned char *s, unsigned char *f) { | |
138 | unsigned char msf[3]; | |
139 | ||
140 | lba_to_msf(cdio_get_track_lba(cdHandle, track + 1) - CD_MSF_OFFSET, msf); | |
141 | ||
142 | *m = msf[0]; | |
143 | *s = msf[1]; | |
144 | *f = msf[2]; | |
145 | ||
146 | return 0; | |
147 | } | |
148 | ||
149 | long ReadSector(crdata *cr) { | |
150 | int lba; | |
151 | MMC_READ_CD cdb; | |
152 | ||
153 | lba = msf_to_lba(cr->msf.cdmsf_min0, cr->msf.cdmsf_sec0, cr->msf.cdmsf_frame0); | |
154 | memset(&cdb, 0, sizeof(cdb)); | |
155 | ||
156 | cdb.Code = 0xBE; | |
157 | cdb.IncludeEDC = 1; | |
158 | cdb.IncludeUserData = 1; | |
159 | cdb.HeaderCode = 3; | |
160 | cdb.IncludeSyncData = 1; | |
161 | cdb.SubChannelSelection = 0; | |
162 | cdb.StartingLBA[1] = lba >> 16; | |
163 | cdb.StartingLBA[2] = lba >> 8; | |
164 | cdb.StartingLBA[3] = lba; | |
165 | cdb.TransferBlocks[2] = 1; | |
166 | ||
167 | if (mmc_run_cmd(cdHandle, 10000, (mmc_cdb_t *)&cdb, SCSI_MMC_DATA_READ, sizeof(*cr), cr) != DRIVER_OP_SUCCESS) | |
168 | return -1; | |
169 | ||
170 | return 0; | |
171 | } | |
172 | ||
173 | long PlayCDDA(unsigned char *sector) { | |
174 | msf_t start, end; | |
175 | ||
176 | if (!cdio_get_track_msf(cdHandle, CDIO_CDROM_LEADOUT_TRACK, &end)) | |
177 | return -1; | |
178 | ||
179 | start.m = itob(sector[0]); | |
180 | start.s = itob(sector[1]); | |
181 | start.f = itob(sector[2]); | |
182 | ||
183 | if (cdio_audio_play_msf(cdHandle, &start, &end) != DRIVER_OP_SUCCESS) | |
184 | return -1; | |
185 | ||
186 | return 0; | |
187 | } | |
188 | ||
189 | long StopCDDA() { | |
190 | cdio_subchannel_t subchnl; | |
191 | ||
192 | if (cdio_audio_read_subchannel(cdHandle, &subchnl) != DRIVER_OP_SUCCESS) | |
193 | return -1; | |
194 | ||
195 | switch (subchnl.audio_status) { | |
196 | case CDIO_MMC_READ_SUB_ST_PLAY: | |
197 | case CDIO_MMC_READ_SUB_ST_PAUSED: | |
198 | cdio_audio_stop(cdHandle); | |
199 | } | |
200 | ||
201 | return 0; | |
202 | } | |
203 | ||
204 | long GetStatus(int playing, struct CdrStat *stat) { | |
205 | cdio_subchannel_t subchnl; | |
206 | ||
207 | memset(stat, 0, sizeof(struct CdrStat)); | |
208 | ||
209 | if (playing) { | |
210 | if (cdio_audio_read_subchannel(cdHandle, &subchnl) == DRIVER_OP_SUCCESS) { | |
211 | stat->Time[0] = btoi(subchnl.abs_addr.m); | |
212 | stat->Time[1] = btoi(subchnl.abs_addr.s); | |
213 | stat->Time[2] = btoi(subchnl.abs_addr.f); | |
214 | } | |
215 | } | |
216 | ||
217 | stat->Type = 0x01; | |
218 | ||
219 | if (mmc_get_tray_status(cdHandle)) { | |
220 | stat->Type = 0xff; | |
221 | stat->Status |= 0x10; | |
222 | } else { | |
223 | SetSpeed(CdrSpeed); | |
224 | SetSpinDown(SpinDown); | |
225 | UnlockDoor(); | |
226 | } | |
227 | ||
228 | return 0; | |
229 | } | |
230 | ||
231 | unsigned char *ReadSub(const unsigned char *time) { | |
232 | int lba = msf_to_lba(btoi(time[0]), btoi(time[1]), btoi(time[2])); | |
233 | static unsigned char buf[CD_FRAMESIZE_RAW + 96]; | |
234 | ||
235 | MMC_READ_CD cdb; | |
236 | ||
237 | memset(&cdb, 0, sizeof(cdb)); | |
238 | ||
239 | cdb.Code = 0xBE; | |
240 | cdb.IncludeEDC = 1; | |
241 | cdb.IncludeUserData = 1; | |
242 | cdb.HeaderCode = 3; | |
243 | cdb.IncludeSyncData = 1; | |
244 | cdb.StartingLBA[1] = lba >> 16; | |
245 | cdb.StartingLBA[2] = lba >> 8; | |
246 | cdb.StartingLBA[3] = lba; | |
247 | cdb.TransferBlocks[2] = 1; | |
248 | cdb.SubChannelSelection = 1; | |
249 | ||
250 | if (mmc_run_cmd(cdHandle, 10000, (mmc_cdb_t *)&cdb, SCSI_MMC_DATA_READ, sizeof(buf), buf) != DRIVER_OP_SUCCESS) | |
251 | return NULL; | |
252 | ||
253 | DecodeRawSubData(buf + CD_FRAMESIZE_RAW); | |
254 | return buf + CD_FRAMESIZE_RAW; | |
255 | } | |
256 | ||
257 | #endif |