| 1 | /* | 
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| 2 |  | 
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| 3 | IOCTL funcs | 
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| 4 | Written by Vlad Stelmahovsky with help from Stepan Kazakov | 
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| 5 |  | 
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| 6 | */ | 
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| 7 |  | 
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| 8 | #include <sound/core.h> | 
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| 9 | #include <sound/control.h> | 
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| 10 | #include <sound/info.h> | 
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| 11 | #include <sound/pcm.h> | 
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| 12 | #include <sound/pcm_params.h> | 
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| 13 | #include <sound/minors.h> | 
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| 14 | #include <linux/file.h> | 
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| 15 | #include <linux/soundcard.h> | 
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| 16 |  | 
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| 17 | #define LINUX | 
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| 18 | #include <ossidc32.h> | 
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| 19 | #include <stacktoflat.h> | 
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| 20 | #include <stdlib.h> | 
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| 21 | #include "soundoss.h" | 
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| 22 |  | 
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| 23 | POSS32_DEVCAPS pcmcaps[8] = {0,0,0,0,0,0,0,0}; | 
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| 24 | extern int pcm_device; | 
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| 25 | extern OpenedHandles opened_handles[8*256]; | 
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| 26 |  | 
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| 27 | /* | 
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| 28 | * Control ID changed by an external | 
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| 29 | * set by snd_ctl_notify() | 
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| 30 | */ | 
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| 31 | struct snd_pcm_substream *substream_int[8*256] = {0}; // interrupted substream | 
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| 32 |  | 
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| 33 | int control_id_changed = 0; | 
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| 34 | int card_id_changed = 0; | 
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| 35 | int unlock_all = 0; | 
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| 36 | int GetUniaudPcmCaps(ULONG deviceid, void *caps); | 
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| 37 | void FillCaps(ULONG deviceid); | 
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| 38 | int pcm_instances(int card_id); | 
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| 39 |  | 
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| 40 | void uniaud_set_interrupted_substream(struct snd_pcm_substream *substream) | 
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| 41 | { | 
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| 42 | int i; | 
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| 43 |  | 
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| 44 | for (i=0; i < 8*256; i++) | 
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| 45 | { | 
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| 46 | if (substream_int[i] == 0) | 
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| 47 | { | 
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| 48 | substream_int[i] = substream; // interrupted substream | 
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| 49 | //                                printk("added %x to %i\n", substream, i); | 
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| 50 | break; | 
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| 51 | } | 
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| 52 | if (substream_int[i] == substream) | 
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| 53 | { | 
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| 54 | //                                printk("already exist %x at %i\n", substream, i); | 
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| 55 | break; | 
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| 56 | } | 
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| 57 | } | 
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| 58 | } | 
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| 59 |  | 
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| 60 | int WaitForControlChange(int card_id, int timeout) | 
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| 61 | { | 
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| 62 | int ctl_id; | 
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| 63 | ULONG blkid = 0; | 
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| 64 | int i = 0; | 
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| 65 |  | 
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| 66 | while (1) | 
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| 67 | { | 
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| 68 | if (control_id_changed != 0 && card_id_changed == card_id) | 
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| 69 | { | 
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| 70 | ctl_id = control_id_changed; | 
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| 71 | control_id_changed = 0; | 
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| 72 | break; | 
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| 73 | } | 
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| 74 | i++; | 
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| 75 |  | 
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| 76 | if (i > timeout) | 
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| 77 | return -ETIME; | 
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| 78 |  | 
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| 79 | MyDevBlock(blkid, 1, 0); | 
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| 80 | if (unlock_all) | 
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| 81 | { | 
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| 82 | unlock_all = 0; | 
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| 83 | break; | 
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| 84 | } | 
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| 85 | } | 
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| 86 | return ctl_id; | 
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| 87 | } | 
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| 88 |  | 
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| 89 | int WaitForPCMInterrupt(void *handle, int timeout) | 
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| 90 | { | 
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| 91 | ULONG blkid = 0; | 
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| 92 | int i = 0; | 
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| 93 | int j = 0; | 
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| 94 | struct snd_pcm_file *pcm_file = NULL; | 
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| 95 | struct snd_pcm_substream *substream; | 
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| 96 | struct snd_pcm_runtime *runtime; | 
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| 97 | soundhandle        *pHandle = (soundhandle *)handle; | 
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| 98 | struct file *pfile; | 
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| 99 |  | 
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| 100 | if (handle == NULL) | 
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| 101 | return -ENXIO; | 
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| 102 |  | 
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| 103 | pfile = &pHandle->file; | 
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| 104 |  | 
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| 105 | if (pfile == NULL) | 
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| 106 | return -ENXIO; | 
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| 107 |  | 
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| 108 | pcm_file = (struct snd_pcm_file *)pfile->private_data; | 
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| 109 |  | 
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| 110 | if (pcm_file == NULL) | 
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| 111 | return -ENXIO; | 
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| 112 |  | 
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| 113 | substream = pcm_file->substream; | 
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| 114 |  | 
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| 115 | if (substream == NULL) | 
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| 116 | return -ENXIO; | 
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| 117 |  | 
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| 118 | runtime = substream->runtime; | 
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| 119 |  | 
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| 120 | if ((pfile->f_mode == FMODE_WRITE) && | 
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| 121 | (runtime->status->state != SNDRV_PCM_STATE_RUNNING)) | 
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| 122 | return -EBADFD; | 
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| 123 |  | 
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| 124 | //printk("wait for %x. tout %i\n",substream, timeout); | 
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| 125 |  | 
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| 126 | while (1) | 
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| 127 | { | 
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| 128 | for (i=0; i < 8*256; i++) | 
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| 129 | { | 
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| 130 | if (substream_int[i] == substream) | 
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| 131 | { | 
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| 132 | //                                printk("found %x at %i\n",substream_int[i], i); | 
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| 133 | substream_int[i] = 0; | 
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| 134 | //printk("j =%i\n",j); | 
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| 135 | return j; /* milliseconds */ | 
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| 136 | } | 
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| 137 | } | 
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| 138 |  | 
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| 139 | if (j++ > timeout) | 
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| 140 | { | 
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| 141 | printk("j with tout =%i. handle: %x\n",j, pHandle); | 
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| 142 | return -ETIME; | 
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| 143 | } | 
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| 144 |  | 
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| 145 | MyDevBlock(blkid, 1, 0); | 
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| 146 | if (unlock_all) | 
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| 147 | { | 
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| 148 | unlock_all = 0; | 
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| 149 | break; | 
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| 150 | } | 
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| 151 | } | 
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| 152 | //printk("j at exit =%i\n",j); | 
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| 153 | return j; | 
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| 154 | } | 
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| 155 |  | 
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| 156 | /* | 
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| 157 | returns number of registered cards | 
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| 158 | */ | 
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| 159 | int GetNumberOfCards(void) | 
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| 160 | { | 
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| 161 | return nrCardsDetected; | 
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| 162 | } | 
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| 163 |  | 
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| 164 | /* | 
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| 165 | returns number of registered pcm instances | 
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| 166 | */ | 
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| 167 | int GetNumberOfPcm(int card_id) | 
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| 168 | { | 
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| 169 | return pcm_instances(card_id); | 
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| 170 | } | 
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| 171 |  | 
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| 172 | int SetPCMInstance(int card_id, int pcm) | 
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| 173 | { | 
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| 174 | if (pcm>=0 && pcm <= pcm_instances(card_id)) | 
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| 175 | { | 
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| 176 | pcm_device = pcm; | 
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| 177 | return pcm; | 
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| 178 | } else | 
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| 179 | return pcm_device; | 
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| 180 | } | 
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| 181 |  | 
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| 182 | int GetPcmForChannels(ULONG deviceid, int type, int channels) | 
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| 183 | { | 
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| 184 | POSS32_DEVCAPS pcaps = NULL; | 
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| 185 | WAVE_CAPS *wc; | 
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| 186 | int i; | 
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| 187 | int sel_pcm = -1; | 
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| 188 |  | 
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| 189 | if (!pcmcaps[deviceid]) | 
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| 190 | { | 
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| 191 | FillCaps(deviceid); | 
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| 192 | if (!pcmcaps[deviceid]) | 
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| 193 | { | 
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| 194 | printk("Error querying caps for device: %i\n", deviceid); | 
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| 195 | return -1; | 
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| 196 | } | 
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| 197 | } | 
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| 198 |  | 
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| 199 | pcaps = pcmcaps[deviceid]; | 
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| 200 |  | 
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| 201 | for (i=0; i<pcm_instances(deviceid);i++) | 
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| 202 | { | 
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| 203 | switch(type) | 
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| 204 | { | 
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| 205 | case OSS32_CAPS_WAVE_PLAYBACK: // play | 
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| 206 | wc = &pcaps->waveOutCaps; | 
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| 207 | break; | 
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| 208 | case OSS32_CAPS_WAVE_CAPTURE: // record | 
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| 209 | wc = &pcaps->waveInCaps; | 
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| 210 | break; | 
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| 211 | } | 
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| 212 | if (wc->ulMaxChannels == channels) | 
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| 213 | { | 
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| 214 | sel_pcm = i; | 
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| 215 | break; | 
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| 216 | } | 
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| 217 | pcaps++; | 
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| 218 | } | 
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| 219 |  | 
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| 220 | return sel_pcm; | 
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| 221 | } | 
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| 222 |  | 
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| 223 | int GetMaxChannels(ULONG deviceid, int type) | 
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| 224 | { | 
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| 225 | POSS32_DEVCAPS pcaps = NULL; | 
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| 226 | WAVE_CAPS *wc; | 
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| 227 | int i; | 
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| 228 | int sel_pcm = -1; | 
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| 229 | int max_ch = 0; | 
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| 230 |  | 
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| 231 | if (!pcmcaps[deviceid]) | 
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| 232 | { | 
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| 233 | FillCaps(deviceid); | 
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| 234 | if (!pcmcaps[deviceid]) | 
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| 235 | { | 
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| 236 | printk("Error querying caps for device: %i\n", deviceid); | 
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| 237 | return -1; | 
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| 238 | } | 
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| 239 | } | 
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| 240 |  | 
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| 241 | pcaps = pcmcaps[deviceid]; | 
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| 242 |  | 
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| 243 | for (i=0; i<pcm_instances(deviceid);i++) | 
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| 244 | { | 
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| 245 | switch(type) | 
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| 246 | { | 
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| 247 | case OSS32_CAPS_WAVE_PLAYBACK: // play | 
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| 248 | wc = &pcaps->waveOutCaps; | 
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| 249 | break; | 
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| 250 | case OSS32_CAPS_WAVE_CAPTURE: // record | 
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| 251 | wc = &pcaps->waveInCaps; | 
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| 252 | break; | 
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| 253 | } | 
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| 254 | if (wc->ulMaxChannels > max_ch) | 
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| 255 | max_ch = wc->ulMaxChannels; | 
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| 256 | pcaps++; | 
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| 257 | } | 
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| 258 | return max_ch; | 
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| 259 | } | 
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| 260 |  | 
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| 261 | /* | 
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| 262 | returns pcm caps | 
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| 263 | */ | 
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| 264 | int GetUniaudPcmCaps1(ULONG deviceid, void *caps) | 
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| 265 | { | 
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| 266 | POSS32_DEVCAPS pcaps = (POSS32_DEVCAPS)caps; | 
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| 267 | int i; | 
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| 268 | OSSSTREAMID              streamid = 0; | 
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| 269 | soundhandle             *pHandle; | 
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| 270 | struct snd_pcm_info      *pcminfo = NULL; | 
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| 271 | struct snd_pcm_hw_params *params; | 
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| 272 | int                              ret, fmt, j; | 
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| 273 | ULONG                            format_mask; | 
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| 274 | struct snd_mask                   *mask; | 
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| 275 | int pcms = 0; | 
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| 276 |  | 
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| 277 | pcms = pcm_instances(deviceid); | 
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| 278 |  | 
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| 279 | if (!pcaps || !pcms) return -1; | 
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| 280 |  | 
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| 281 |  | 
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| 282 | //these structures are too big to put on the stack | 
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| 283 | pcminfo = (struct snd_pcm_info *)kmalloc(sizeof(struct snd_pcm_info)+sizeof(struct snd_pcm_hw_params), GFP_KERNEL); | 
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| 284 | if(pcminfo == NULL) { | 
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| 285 | DebugInt3(); | 
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| 286 | rprintf(("GetUniaudPcmCaps: out of memory")); | 
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| 287 | return OSSERR_OUT_OF_MEMORY; | 
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| 288 | } | 
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| 289 | params = (struct snd_pcm_hw_params *)(pcminfo+1); | 
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| 290 |  | 
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| 291 | for (i=0; i<pcms;i++) | 
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| 292 | { | 
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| 293 | pcaps->nrDevices  = nrCardsDetected; | 
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| 294 | pcaps->ulCaps     = OSS32_CAPS_WAVE_PLAYBACK | OSS32_CAPS_WAVE_CAPTURE; | 
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| 295 |  | 
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| 296 | //query wave in & out caps | 
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| 297 | for(j=0;j<2;j++) | 
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| 298 | { | 
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| 299 | PWAVE_CAPS pWaveCaps = (j == 0) ? &pcaps->waveOutCaps : &pcaps->waveInCaps; | 
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| 300 |  | 
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| 301 | ret = OSS32_WaveOpen(deviceid, (j == 0) ? OSS32_STREAM_WAVEOUT : OSS32_STREAM_WAVEIN, &streamid, i, 0); | 
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| 302 | if(ret != OSSERR_SUCCESS) | 
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| 303 | { | 
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| 304 | dprintf(("GetUniaudPcmCaps: wave open error %i %s at pcm %i", ret, (j == 0) ?"PLAY":"REC", i)); | 
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| 305 | continue; | 
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| 306 | //goto fail; | 
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| 307 | } | 
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| 308 | pHandle = (soundhandle *)streamid; | 
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| 309 | if(pHandle == NULL || pHandle->magic != MAGIC_WAVE_ALSA32) { | 
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| 310 | rprintf(("GetUniaudPcmCaps: invalid stream id")); | 
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| 311 | ret = OSSERR_INVALID_STREAMID; | 
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| 312 | //goto fail; | 
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| 313 | } | 
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| 314 |  | 
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| 315 | //set operation to non-blocking | 
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| 316 | pHandle->file.f_flags = O_NONBLOCK; | 
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| 317 |  | 
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| 318 | dprintf(("GetUniaudPcmCaps: cp1. phandle %x", pHandle)); | 
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| 319 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, SNDRV_PCM_IOCTL_INFO, (ULONG)pcminfo); | 
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| 320 | if(ret != 0) { | 
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| 321 | rprintf(("GetUniaudPcmCaps: SNDRV_PCM_IOCTL_INFO error %i", ret)); | 
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| 322 | ret = UNIXToOSSError(ret); | 
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| 323 | continue; | 
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| 324 | } | 
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| 325 | if(pcminfo->name[0]) { | 
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| 326 | strncpy(pcaps->szDeviceName, pcminfo->name, sizeof(pcaps->szDeviceName)); | 
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| 327 | } | 
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| 328 | else strncpy(pcaps->szDeviceName, pcminfo->id, sizeof(pcaps->szDeviceName)); | 
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| 329 |  | 
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| 330 | if(pcminfo->subname[0]) { | 
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| 331 | strncpy(pcaps->szMixerName, pcminfo->subname, sizeof(pcaps->szMixerName)); | 
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| 332 | } | 
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| 333 |  | 
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| 334 | pWaveCaps->nrStreams = pcminfo->subdevices_count; | 
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| 335 |  | 
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| 336 | dprintf(("GetUniaudPcmCaps: cp2. nr of streams: %i", pWaveCaps->nrStreams)); | 
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| 337 | //get all hardware parameters | 
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| 338 | _snd_pcm_hw_params_any(params); | 
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| 339 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, SNDRV_PCM_IOCTL_HW_REFINE, (ULONG)params); | 
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| 340 | if(ret != 0) { | 
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| 341 | dprintf(("GetUniaudPcmCaps: SNDRV_PCM_IOCTL_HW_REFINE error %i", ret)); | 
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| 342 | ret = UNIXToOSSError(ret); | 
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| 343 | //goto fail; | 
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| 344 | continue; | 
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| 345 | } | 
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| 346 | //dprintf("GetUniaudPcmCaps: cp3")); | 
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| 347 |  | 
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| 348 | pWaveCaps->ulMinChannels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->min; | 
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| 349 | pWaveCaps->ulMaxChannels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->max; | 
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| 350 | dprintf(("chan: from %i to %i\n", pWaveCaps->ulMinChannels,pWaveCaps->ulMaxChannels)); | 
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| 351 | pWaveCaps->ulChanFlags   = 0; | 
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| 352 | if(pWaveCaps->ulMinChannels == 1) { | 
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| 353 | pWaveCaps->ulChanFlags |= OSS32_CAPS_PCM_CHAN_MONO; | 
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| 354 | } | 
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| 355 | if(pWaveCaps->ulMaxChannels >= 2) { | 
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| 356 | pWaveCaps->ulChanFlags |= OSS32_CAPS_PCM_CHAN_STEREO; | 
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| 357 | } | 
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| 358 | if(pWaveCaps->ulMaxChannels >= 4) { | 
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| 359 | pWaveCaps->ulChanFlags |= OSS32_CAPS_PCM_CHAN_QUAD; | 
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| 360 | } | 
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| 361 | if(pWaveCaps->ulMaxChannels >= 6) { | 
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| 362 | pWaveCaps->ulChanFlags |= OSS32_CAPS_PCM_CHAN_5_1; | 
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| 363 | } | 
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| 364 |  | 
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| 365 | pWaveCaps->ulMinRate     = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min; | 
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| 366 | pWaveCaps->ulMaxRate     = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->max; | 
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| 367 |  | 
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| 368 | mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_RATE_MASK); | 
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| 369 | //mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); | 
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| 370 | pWaveCaps->ulRateFlags   = mask->bits[0]; | 
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| 371 |  | 
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| 372 | pWaveCaps->ulRateFlags   = ALSAToOSSRateFlags(pWaveCaps->ulRateFlags); | 
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| 373 |  | 
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| 374 | pWaveCaps->ulDataFormats = 0; | 
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| 375 |  | 
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| 376 | mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); | 
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| 377 | format_mask = mask->bits[0]; | 
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| 378 | for(fmt=0;fmt<32;fmt++) | 
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| 379 | { | 
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| 380 | if(format_mask & (1 << fmt)) | 
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| 381 | { | 
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| 382 | int f = ALSAToOSSDataType(fmt); | 
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| 383 | if (f >= 0) | 
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| 384 | pWaveCaps->ulDataFormats |= f; | 
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| 385 | } | 
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| 386 | } | 
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| 387 |  | 
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| 388 | OSS32_WaveClose(streamid); | 
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| 389 | streamid = 0; | 
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| 390 | } // for j | 
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| 391 | pcaps++; // next pcm | 
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| 392 | } // for i | 
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| 393 |  | 
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| 394 | if (pcminfo) kfree(pcminfo); | 
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| 395 | return OSSERR_SUCCESS; | 
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| 396 | } | 
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| 397 |  | 
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| 398 | void FillCaps(ULONG deviceid) | 
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| 399 | { | 
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| 400 | int pcms = 0; | 
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| 401 |  | 
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| 402 | pcms = pcm_instances(deviceid); | 
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| 403 |  | 
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| 404 | dprintf(("FillCaps: pcms=%i\n", pcms)); | 
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| 405 | if (!pcmcaps[deviceid]) | 
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| 406 | { | 
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| 407 | pcmcaps[deviceid] = (POSS32_DEVCAPS)kmalloc(sizeof(OSS32_DEVCAPS)*pcms, GFP_KERNEL); | 
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| 408 | if (pcmcaps[deviceid]) | 
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| 409 | { | 
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| 410 | memset(pcmcaps[deviceid], 0, sizeof(OSS32_DEVCAPS)*pcms); | 
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| 411 | GetUniaudPcmCaps1(deviceid, (void *)pcmcaps[deviceid]); | 
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| 412 | } | 
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| 413 | } | 
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| 414 | return; | 
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| 415 | } | 
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| 416 |  | 
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| 417 | int GetUniaudPcmCaps(ULONG deviceid, void *caps) | 
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| 418 | { | 
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| 419 | int pcms = 0; | 
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| 420 |  | 
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| 421 | pcms = pcm_instances(deviceid); | 
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| 422 |  | 
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| 423 | //        printk("pcms = %i\n", pcms); | 
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| 424 | if (pcmcaps[deviceid]) | 
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| 425 | { | 
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| 426 | memcpy((unsigned char*)caps,(unsigned char*)pcmcaps[deviceid],sizeof(OSS32_DEVCAPS)*pcms); | 
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| 427 | return 0; | 
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| 428 | } | 
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| 429 | else | 
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| 430 | { | 
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| 431 | return -1; | 
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| 432 | } | 
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| 433 | } | 
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| 434 |  | 
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| 435 | /* | 
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| 436 | returns power state of given card | 
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| 437 | */ | 
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| 438 | int UniaudCtlGetPowerState(ULONG deviceid, void *state) | 
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| 439 | { | 
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| 440 | mixerhandle *pHandle = NULL; | 
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| 441 | int              ret, i, j; | 
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| 442 |  | 
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| 443 | if(alsa_fops == NULL) { | 
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| 444 | ret = OSSERR_NO_DEVICE_AVAILABLE; | 
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| 445 | goto failure; | 
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| 446 | } | 
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| 447 |  | 
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| 448 | pHandle = kmalloc(sizeof(mixerhandle), GFP_KERNEL); | 
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| 449 | if(pHandle == NULL) { | 
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| 450 | ret = OSSERR_OUT_OF_MEMORY; | 
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| 451 | goto failure; | 
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| 452 | } | 
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| 453 | memset(pHandle, 0, sizeof(mixerhandle)); | 
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| 454 |  | 
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| 455 | //set operation to non-blocking | 
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| 456 | pHandle->file.f_flags = O_NONBLOCK; | 
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| 457 |  | 
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| 458 | //setup pointers in file structure (used internally by ALSA) | 
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| 459 | pHandle->file.f_dentry                  = &pHandle->d_entry; | 
|---|
| 460 | pHandle->file.f_dentry->d_inode = &pHandle->inode; | 
|---|
| 461 |  | 
|---|
| 462 | pHandle->file.f_mode  = FMODE_WRITE; | 
|---|
| 463 | pHandle->inode.i_rdev = SNDRV_MINOR(deviceid, SNDRV_MINOR_CONTROL); | 
|---|
| 464 |  | 
|---|
| 465 | ret = alsa_fops->open(&pHandle->inode, &pHandle->file); | 
|---|
| 466 | if(ret) { | 
|---|
| 467 | goto failure; | 
|---|
| 468 | } | 
|---|
| 469 | //retrieve mixer information | 
|---|
| 470 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, | 
|---|
| 471 | SNDRV_CTL_IOCTL_POWER_STATE, | 
|---|
| 472 | (ULONG)state); | 
|---|
| 473 |  | 
|---|
| 474 | pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 475 |  | 
|---|
| 476 | kfree(pHandle); | 
|---|
| 477 |  | 
|---|
| 478 | if(ret) { | 
|---|
| 479 | goto failure; | 
|---|
| 480 | } | 
|---|
| 481 |  | 
|---|
| 482 | return OSSERR_SUCCESS; | 
|---|
| 483 | failure: | 
|---|
| 484 | DebugInt3(); | 
|---|
| 485 | return ret; | 
|---|
| 486 | } | 
|---|
| 487 |  | 
|---|
| 488 | /* | 
|---|
| 489 | sets power state for given card | 
|---|
| 490 | */ | 
|---|
| 491 | int UniaudCtlSetPowerState(ULONG deviceid, void *state) | 
|---|
| 492 | { | 
|---|
| 493 | mixerhandle *pHandle = NULL; | 
|---|
| 494 | int              ret, i, j; | 
|---|
| 495 |  | 
|---|
| 496 | if(alsa_fops == NULL) { | 
|---|
| 497 | ret = OSSERR_NO_DEVICE_AVAILABLE; | 
|---|
| 498 | goto failure; | 
|---|
| 499 | } | 
|---|
| 500 |  | 
|---|
| 501 | pHandle = kmalloc(sizeof(mixerhandle), GFP_KERNEL); | 
|---|
| 502 | if(pHandle == NULL) { | 
|---|
| 503 | ret = OSSERR_OUT_OF_MEMORY; | 
|---|
| 504 | goto failure; | 
|---|
| 505 | } | 
|---|
| 506 | memset(pHandle, 0, sizeof(mixerhandle)); | 
|---|
| 507 |  | 
|---|
| 508 | //set operation to non-blocking | 
|---|
| 509 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 510 |  | 
|---|
| 511 | //setup pointers in file structure (used internally by ALSA) | 
|---|
| 512 | pHandle->file.f_dentry                  = &pHandle->d_entry; | 
|---|
| 513 | pHandle->file.f_dentry->d_inode = &pHandle->inode; | 
|---|
| 514 |  | 
|---|
| 515 | pHandle->file.f_mode  = FMODE_WRITE; | 
|---|
| 516 | pHandle->inode.i_rdev = SNDRV_MINOR(deviceid, SNDRV_MINOR_CONTROL); | 
|---|
| 517 |  | 
|---|
| 518 | ret = alsa_fops->open(&pHandle->inode, &pHandle->file); | 
|---|
| 519 | if(ret) { | 
|---|
| 520 | goto failure; | 
|---|
| 521 | } | 
|---|
| 522 | //retrieve mixer information | 
|---|
| 523 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, | 
|---|
| 524 | SNDRV_CTL_IOCTL_POWER, | 
|---|
| 525 | (ULONG)state); | 
|---|
| 526 |  | 
|---|
| 527 | pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 528 |  | 
|---|
| 529 | kfree(pHandle); | 
|---|
| 530 |  | 
|---|
| 531 | if(ret) { | 
|---|
| 532 | goto failure; | 
|---|
| 533 | } | 
|---|
| 534 |  | 
|---|
| 535 | return OSSERR_SUCCESS; | 
|---|
| 536 | failure: | 
|---|
| 537 | DebugInt3(); | 
|---|
| 538 | return ret; | 
|---|
| 539 | } | 
|---|
| 540 |  | 
|---|
| 541 | /* | 
|---|
| 542 | returns card info | 
|---|
| 543 | */ | 
|---|
| 544 | int GetUniaudCardInfo(ULONG deviceid, void *info) | 
|---|
| 545 | { | 
|---|
| 546 | mixerhandle *pHandle = NULL; | 
|---|
| 547 | int              ret, i, j; | 
|---|
| 548 | //        struct snd_ctl_card_info *pinfo; | 
|---|
| 549 |  | 
|---|
| 550 | if(alsa_fops == NULL) { | 
|---|
| 551 | ret = OSSERR_NO_DEVICE_AVAILABLE; | 
|---|
| 552 | goto failure; | 
|---|
| 553 | } | 
|---|
| 554 |  | 
|---|
| 555 | pHandle = kmalloc(sizeof(mixerhandle), GFP_KERNEL); | 
|---|
| 556 | if(pHandle == NULL) { | 
|---|
| 557 | ret = OSSERR_OUT_OF_MEMORY; | 
|---|
| 558 | goto failure; | 
|---|
| 559 | } | 
|---|
| 560 | memset(pHandle, 0, sizeof(mixerhandle)); | 
|---|
| 561 |  | 
|---|
| 562 | //set operation to non-blocking | 
|---|
| 563 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 564 |  | 
|---|
| 565 | //setup pointers in file structure (used internally by ALSA) | 
|---|
| 566 | pHandle->file.f_dentry                  = &pHandle->d_entry; | 
|---|
| 567 | pHandle->file.f_dentry->d_inode = &pHandle->inode; | 
|---|
| 568 |  | 
|---|
| 569 | pHandle->file.f_mode  = FMODE_WRITE; | 
|---|
| 570 | pHandle->inode.i_rdev = SNDRV_MINOR(deviceid, SNDRV_MINOR_CONTROL); | 
|---|
| 571 |  | 
|---|
| 572 | ret = alsa_fops->open(&pHandle->inode, &pHandle->file); | 
|---|
| 573 | if(ret) { | 
|---|
| 574 | goto failure; | 
|---|
| 575 | } | 
|---|
| 576 | //retrieve mixer information | 
|---|
| 577 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, | 
|---|
| 578 | SNDRV_CTL_IOCTL_CARD_INFO, | 
|---|
| 579 | (ULONG)(struct snd_ctl_card_info *)info); | 
|---|
| 580 | if(ret) { | 
|---|
| 581 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 582 | goto failure; | 
|---|
| 583 | } | 
|---|
| 584 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 585 |  | 
|---|
| 586 | if(pHandle) { | 
|---|
| 587 | kfree(pHandle); | 
|---|
| 588 | } | 
|---|
| 589 | return OSSERR_SUCCESS; | 
|---|
| 590 | failure: | 
|---|
| 591 | if(pHandle) { | 
|---|
| 592 | kfree(pHandle); | 
|---|
| 593 | } | 
|---|
| 594 | DebugInt3(); | 
|---|
| 595 | return OSSERR_OUT_OF_MEMORY; | 
|---|
| 596 | } | 
|---|
| 597 |  | 
|---|
| 598 | int GetUniaudControlNum(ULONG deviceid) | 
|---|
| 599 | { | 
|---|
| 600 | mixerhandle *pHandle = NULL; | 
|---|
| 601 | int              ret, i, j, sz; | 
|---|
| 602 |  | 
|---|
| 603 | if(alsa_fops == NULL) { | 
|---|
| 604 | ret = OSSERR_NO_DEVICE_AVAILABLE; | 
|---|
| 605 | goto failure; | 
|---|
| 606 | } | 
|---|
| 607 |  | 
|---|
| 608 | sz = sizeof(mixerhandle); | 
|---|
| 609 | pHandle = kmalloc(sz, GFP_KERNEL); | 
|---|
| 610 | if(pHandle == NULL) { | 
|---|
| 611 | ret = OSSERR_OUT_OF_MEMORY; | 
|---|
| 612 | goto failure; | 
|---|
| 613 | } | 
|---|
| 614 | memset(pHandle, 0, sizeof(mixerhandle)); | 
|---|
| 615 |  | 
|---|
| 616 | //set operation to non-blocking | 
|---|
| 617 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 618 |  | 
|---|
| 619 | //setup pointers in file structure (used internally by ALSA) | 
|---|
| 620 | pHandle->file.f_dentry                  = &pHandle->d_entry; | 
|---|
| 621 | pHandle->file.f_dentry->d_inode = &pHandle->inode; | 
|---|
| 622 |  | 
|---|
| 623 | pHandle->file.f_mode  = FMODE_WRITE; | 
|---|
| 624 | pHandle->inode.i_rdev = SNDRV_MINOR(deviceid, SNDRV_MINOR_CONTROL); | 
|---|
| 625 |  | 
|---|
| 626 | ret = alsa_fops->open(&pHandle->inode, &pHandle->file); | 
|---|
| 627 | if(ret) { | 
|---|
| 628 | goto failure; | 
|---|
| 629 | } | 
|---|
| 630 | //retrieve mixer information | 
|---|
| 631 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, | 
|---|
| 632 | SNDRV_CTL_IOCTL_CARD_INFO, | 
|---|
| 633 | (ULONG)&pHandle->info); | 
|---|
| 634 | if(ret) { | 
|---|
| 635 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 636 | goto failure; | 
|---|
| 637 | } | 
|---|
| 638 | //get the number of mixer elements | 
|---|
| 639 | pHandle->list.offset = 0; | 
|---|
| 640 | pHandle->list.space  = 0; | 
|---|
| 641 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, | 
|---|
| 642 | SNDRV_CTL_IOCTL_ELEM_LIST, | 
|---|
| 643 | (ULONG)&pHandle->list); | 
|---|
| 644 | if(ret) { | 
|---|
| 645 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 646 | goto failure; | 
|---|
| 647 | } | 
|---|
| 648 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 649 | if(pHandle) { | 
|---|
| 650 | if(pHandle->pids) kfree(pHandle->pids); | 
|---|
| 651 | kfree(pHandle); | 
|---|
| 652 | } | 
|---|
| 653 | return pHandle->list.count; | 
|---|
| 654 | failure: | 
|---|
| 655 | if(pHandle) { | 
|---|
| 656 | if(pHandle->pids) kfree(pHandle->pids); | 
|---|
| 657 | kfree(pHandle); | 
|---|
| 658 | } | 
|---|
| 659 | DebugInt3(); | 
|---|
| 660 | return OSSERR_OUT_OF_MEMORY; | 
|---|
| 661 | } | 
|---|
| 662 |  | 
|---|
| 663 | int GetUniaudControls(ULONG deviceid, void *pids) | 
|---|
| 664 | { | 
|---|
| 665 | mixerhandle *pHandle = NULL; | 
|---|
| 666 | int              ret, i, j, sz; | 
|---|
| 667 |  | 
|---|
| 668 | if(alsa_fops == NULL) { | 
|---|
| 669 | ret = OSSERR_NO_DEVICE_AVAILABLE; | 
|---|
| 670 | goto failure; | 
|---|
| 671 | } | 
|---|
| 672 |  | 
|---|
| 673 | sz = sizeof(mixerhandle); | 
|---|
| 674 | pHandle = kmalloc(sz, GFP_KERNEL); | 
|---|
| 675 | if(pHandle == NULL) { | 
|---|
| 676 | ret = OSSERR_OUT_OF_MEMORY; | 
|---|
| 677 | goto failure; | 
|---|
| 678 | } | 
|---|
| 679 | memset(pHandle, 0, sizeof(mixerhandle)); | 
|---|
| 680 |  | 
|---|
| 681 | //set operation to non-blocking | 
|---|
| 682 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 683 |  | 
|---|
| 684 | //setup pointers in file structure (used internally by ALSA) | 
|---|
| 685 | pHandle->file.f_dentry                  = &pHandle->d_entry; | 
|---|
| 686 | pHandle->file.f_dentry->d_inode = &pHandle->inode; | 
|---|
| 687 |  | 
|---|
| 688 | pHandle->file.f_mode  = FMODE_WRITE; | 
|---|
| 689 | pHandle->inode.i_rdev = SNDRV_MINOR(deviceid, SNDRV_MINOR_CONTROL); | 
|---|
| 690 |  | 
|---|
| 691 | ret = alsa_fops->open(&pHandle->inode, &pHandle->file); | 
|---|
| 692 | if(ret) { | 
|---|
| 693 | goto failure; | 
|---|
| 694 | } | 
|---|
| 695 | //retrieve mixer information | 
|---|
| 696 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, | 
|---|
| 697 | SNDRV_CTL_IOCTL_CARD_INFO, | 
|---|
| 698 | (ULONG)&pHandle->info); | 
|---|
| 699 | if(ret) { | 
|---|
| 700 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 701 | goto failure; | 
|---|
| 702 | } | 
|---|
| 703 | //get the number of mixer elements | 
|---|
| 704 | pHandle->list.offset = 0; | 
|---|
| 705 | pHandle->list.space  = 0; | 
|---|
| 706 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, | 
|---|
| 707 | SNDRV_CTL_IOCTL_ELEM_LIST, | 
|---|
| 708 | (ULONG)&pHandle->list); | 
|---|
| 709 | if(ret) { | 
|---|
| 710 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 711 | goto failure; | 
|---|
| 712 | } | 
|---|
| 713 |  | 
|---|
| 714 | //allocate memory for all mixer elements | 
|---|
| 715 | pHandle->pids = (struct snd_ctl_elem_id *)pids; | 
|---|
| 716 | //kmalloc(sizeof(struct snd_ctl_elem_id)*pHandle->list.count, GFP_KERNEL); | 
|---|
| 717 | if(pHandle->pids == NULL) { | 
|---|
| 718 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 719 | goto failure; | 
|---|
| 720 | } | 
|---|
| 721 | //and retrieve all mixer elements | 
|---|
| 722 | pHandle->list.offset = 0; | 
|---|
| 723 | pHandle->list.space  = pHandle->list.count; | 
|---|
| 724 | pHandle->list.pids       = pHandle->pids; | 
|---|
| 725 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, | 
|---|
| 726 | SNDRV_CTL_IOCTL_ELEM_LIST, | 
|---|
| 727 | (ULONG)&pHandle->list); | 
|---|
| 728 | if(ret) { | 
|---|
| 729 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 730 | goto failure; | 
|---|
| 731 | } | 
|---|
| 732 | //        if (pids) | 
|---|
| 733 | //                memcpy(pids, pHandle->pids, | 
|---|
| 734 | //                               sizeof(struct snd_ctl_elem_id)*pHandle->list.count); | 
|---|
| 735 |  | 
|---|
| 736 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 737 | if(pHandle) { | 
|---|
| 738 | //                if(pHandle->pids) kfree(pHandle->pids); | 
|---|
| 739 | kfree(pHandle); | 
|---|
| 740 | } | 
|---|
| 741 | return pHandle->list.count; | 
|---|
| 742 | failure: | 
|---|
| 743 | if(pHandle) { | 
|---|
| 744 | //                if(pHandle->pids) kfree(pHandle->pids); | 
|---|
| 745 | kfree(pHandle); | 
|---|
| 746 | } | 
|---|
| 747 | DebugInt3(); | 
|---|
| 748 | return OSSERR_OUT_OF_MEMORY; | 
|---|
| 749 | } | 
|---|
| 750 |  | 
|---|
| 751 | int GetUniaudControlInfo(ULONG deviceid, ULONG id, void *info) | 
|---|
| 752 | { | 
|---|
| 753 | struct snd_ctl_elem_value *pElem = NULL; | 
|---|
| 754 | struct snd_ctl_elem_info  *pElemInfo = NULL; | 
|---|
| 755 | mixerhandle *pHandle = NULL; | 
|---|
| 756 | int              ret, i, j, sz; | 
|---|
| 757 |  | 
|---|
| 758 | if(alsa_fops == NULL) { | 
|---|
| 759 | ret = OSSERR_NO_DEVICE_AVAILABLE; | 
|---|
| 760 | goto failure; | 
|---|
| 761 | } | 
|---|
| 762 |  | 
|---|
| 763 | sz = sizeof(mixerhandle); | 
|---|
| 764 | pHandle = kmalloc(sz, GFP_KERNEL); | 
|---|
| 765 | if(pHandle == NULL) { | 
|---|
| 766 | ret = OSSERR_OUT_OF_MEMORY; | 
|---|
| 767 | goto failure; | 
|---|
| 768 | } | 
|---|
| 769 | memset(pHandle, 0, sizeof(mixerhandle)); | 
|---|
| 770 |  | 
|---|
| 771 | //set operation to non-blocking | 
|---|
| 772 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 773 |  | 
|---|
| 774 | //setup pointers in file structure (used internally by ALSA) | 
|---|
| 775 | pHandle->file.f_dentry                  = &pHandle->d_entry; | 
|---|
| 776 | pHandle->file.f_dentry->d_inode = &pHandle->inode; | 
|---|
| 777 |  | 
|---|
| 778 | pHandle->file.f_mode  = FMODE_WRITE; | 
|---|
| 779 | pHandle->inode.i_rdev = SNDRV_MINOR(deviceid, SNDRV_MINOR_CONTROL); | 
|---|
| 780 |  | 
|---|
| 781 | ret = alsa_fops->open(&pHandle->inode, &pHandle->file); | 
|---|
| 782 | if(ret) { | 
|---|
| 783 | goto failure; | 
|---|
| 784 | } | 
|---|
| 785 |  | 
|---|
| 786 | //allocate memory for info element | 
|---|
| 787 | pElemInfo = (struct snd_ctl_elem_info *)info; | 
|---|
| 788 | if(pElemInfo == NULL) { | 
|---|
| 789 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 790 | goto failure; | 
|---|
| 791 | } | 
|---|
| 792 |  | 
|---|
| 793 | //        printk("sizeof elem_info %i\n",sizeof(struct snd_ctl_elem_info)); | 
|---|
| 794 |  | 
|---|
| 795 | pElemInfo->id.numid = id; | 
|---|
| 796 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, SNDRV_CTL_IOCTL_ELEM_INFO, (ULONG)pElemInfo); | 
|---|
| 797 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 798 | if(pHandle) kfree(pHandle); | 
|---|
| 799 | //        printk("elem type: %i, id: %i, card: %i\n", pElemInfo->type, pElemInfo->id.numid, deviceid); | 
|---|
| 800 | return OSSERR_SUCCESS; | 
|---|
| 801 |  | 
|---|
| 802 | failure: | 
|---|
| 803 | if(pHandle) { | 
|---|
| 804 | kfree(pHandle); | 
|---|
| 805 | } | 
|---|
| 806 | DebugInt3(); | 
|---|
| 807 | return OSSERR_OUT_OF_MEMORY; | 
|---|
| 808 | } | 
|---|
| 809 |  | 
|---|
| 810 | int GetUniaudControlValueGet(ULONG deviceid, ULONG id, void *value) | 
|---|
| 811 | { | 
|---|
| 812 | struct snd_ctl_elem_value *pElem = NULL; | 
|---|
| 813 | struct snd_ctl_elem_info  *pElemInfo = NULL; | 
|---|
| 814 | mixerhandle *pHandle = NULL; | 
|---|
| 815 | int              ret, i, j, sz; | 
|---|
| 816 |  | 
|---|
| 817 | if(alsa_fops == NULL) { | 
|---|
| 818 | ret = OSSERR_NO_DEVICE_AVAILABLE; | 
|---|
| 819 | goto failure; | 
|---|
| 820 | } | 
|---|
| 821 |  | 
|---|
| 822 | sz = sizeof(mixerhandle); | 
|---|
| 823 | pHandle = kmalloc(sz, GFP_KERNEL); | 
|---|
| 824 | if(pHandle == NULL) { | 
|---|
| 825 | ret = OSSERR_OUT_OF_MEMORY; | 
|---|
| 826 | goto failure; | 
|---|
| 827 | } | 
|---|
| 828 | memset(pHandle, 0, sizeof(mixerhandle)); | 
|---|
| 829 |  | 
|---|
| 830 | //set operation to non-blocking | 
|---|
| 831 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 832 |  | 
|---|
| 833 | //setup pointers in file structure (used internally by ALSA) | 
|---|
| 834 | pHandle->file.f_dentry                  = &pHandle->d_entry; | 
|---|
| 835 | pHandle->file.f_dentry->d_inode = &pHandle->inode; | 
|---|
| 836 |  | 
|---|
| 837 | pHandle->file.f_mode  = FMODE_WRITE; | 
|---|
| 838 | pHandle->inode.i_rdev = SNDRV_MINOR(deviceid, SNDRV_MINOR_CONTROL); | 
|---|
| 839 |  | 
|---|
| 840 | ret = alsa_fops->open(&pHandle->inode, &pHandle->file); | 
|---|
| 841 | if(ret) { | 
|---|
| 842 | goto failure; | 
|---|
| 843 | } | 
|---|
| 844 |  | 
|---|
| 845 | pElem = (struct snd_ctl_elem_value *)value; | 
|---|
| 846 | if(pElem == NULL) { | 
|---|
| 847 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 848 | goto failure; | 
|---|
| 849 | } | 
|---|
| 850 |  | 
|---|
| 851 | //        printk("sizeof elem_info %i\n",sizeof(struct snd_ctl_elem_info)); | 
|---|
| 852 |  | 
|---|
| 853 | pElem->id.numid = id; | 
|---|
| 854 | pElem->indirect = 0; | 
|---|
| 855 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, SNDRV_CTL_IOCTL_ELEM_READ, (ULONG)pElem); | 
|---|
| 856 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 857 | if(pHandle) kfree(pHandle); | 
|---|
| 858 |  | 
|---|
| 859 | return OSSERR_SUCCESS; | 
|---|
| 860 | failure: | 
|---|
| 861 | if(pHandle) { | 
|---|
| 862 | kfree(pHandle); | 
|---|
| 863 | } | 
|---|
| 864 | DebugInt3(); | 
|---|
| 865 | return OSSERR_OUT_OF_MEMORY; | 
|---|
| 866 | } | 
|---|
| 867 |  | 
|---|
| 868 | int GetUniaudControlValuePut(ULONG deviceid, ULONG id, void *value) | 
|---|
| 869 | { | 
|---|
| 870 | struct snd_ctl_elem_value *pElem = NULL; | 
|---|
| 871 | struct snd_ctl_elem_info  *pElemInfo = NULL; | 
|---|
| 872 | mixerhandle *pHandle = NULL; | 
|---|
| 873 | int              ret, i, j, sz; | 
|---|
| 874 |  | 
|---|
| 875 | if(alsa_fops == NULL) { | 
|---|
| 876 | ret = OSSERR_NO_DEVICE_AVAILABLE; | 
|---|
| 877 | goto failure; | 
|---|
| 878 | } | 
|---|
| 879 |  | 
|---|
| 880 | sz = sizeof(mixerhandle); | 
|---|
| 881 | pHandle = kmalloc(sz, GFP_KERNEL); | 
|---|
| 882 | if(pHandle == NULL) { | 
|---|
| 883 | ret = OSSERR_OUT_OF_MEMORY; | 
|---|
| 884 | goto failure; | 
|---|
| 885 | } | 
|---|
| 886 | memset(pHandle, 0, sizeof(mixerhandle)); | 
|---|
| 887 |  | 
|---|
| 888 | //set operation to non-blocking | 
|---|
| 889 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 890 |  | 
|---|
| 891 | //setup pointers in file structure (used internally by ALSA) | 
|---|
| 892 | pHandle->file.f_dentry                  = &pHandle->d_entry; | 
|---|
| 893 | pHandle->file.f_dentry->d_inode = &pHandle->inode; | 
|---|
| 894 |  | 
|---|
| 895 | pHandle->file.f_mode  = FMODE_WRITE; | 
|---|
| 896 | pHandle->inode.i_rdev = SNDRV_MINOR(deviceid, SNDRV_MINOR_CONTROL); | 
|---|
| 897 |  | 
|---|
| 898 | ret = alsa_fops->open(&pHandle->inode, &pHandle->file); | 
|---|
| 899 | if(ret) { | 
|---|
| 900 | goto failure; | 
|---|
| 901 | } | 
|---|
| 902 |  | 
|---|
| 903 | pElem = (struct snd_ctl_elem_value *)value; | 
|---|
| 904 | if(pElem == NULL) { | 
|---|
| 905 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 906 | goto failure; | 
|---|
| 907 | } | 
|---|
| 908 |  | 
|---|
| 909 | //        printk("sizeof elem_info %i\n",sizeof(struct snd_ctl_elem_info)); | 
|---|
| 910 |  | 
|---|
| 911 | pElem->id.numid = id; | 
|---|
| 912 | pElem->indirect = 0; | 
|---|
| 913 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, SNDRV_CTL_IOCTL_ELEM_WRITE, (ULONG)pElem); | 
|---|
| 914 | ret = pHandle->file.f_op->release(&pHandle->inode, &pHandle->file); | 
|---|
| 915 | if(pHandle) kfree(pHandle); | 
|---|
| 916 |  | 
|---|
| 917 | return OSSERR_SUCCESS; | 
|---|
| 918 |  | 
|---|
| 919 | failure: | 
|---|
| 920 | if(pHandle) { | 
|---|
| 921 | kfree(pHandle); | 
|---|
| 922 | } | 
|---|
| 923 | DebugInt3(); | 
|---|
| 924 | return OSSERR_OUT_OF_MEMORY; | 
|---|
| 925 | } | 
|---|
| 926 |  | 
|---|
| 927 | int UniaudIoctlHWRefine(OSSSTREAMID streamid, void *pHwParams) | 
|---|
| 928 | { | 
|---|
| 929 | int ret; | 
|---|
| 930 | soundhandle        *pHandle = (soundhandle *)streamid; | 
|---|
| 931 | struct snd_pcm_hw_params *params = NULL; | 
|---|
| 932 | printk("PS UniaudIoctlHWRefine\n"); | 
|---|
| 933 | params = (struct snd_pcm_hw_params *)pHwParams; | 
|---|
| 934 |  | 
|---|
| 935 | if (!params) return -1001; | 
|---|
| 936 |  | 
|---|
| 937 | if (!pHandle) return -1002; | 
|---|
| 938 |  | 
|---|
| 939 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 940 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, SNDRV_PCM_IOCTL_HW_REFINE, (ULONG)params); | 
|---|
| 941 | return ret; | 
|---|
| 942 | } | 
|---|
| 943 |  | 
|---|
| 944 | int UniaudIoctlHWParamSet(OSSSTREAMID streamid, void *pHwParams) | 
|---|
| 945 | { | 
|---|
| 946 | int ret; | 
|---|
| 947 | soundhandle        *pHandle = (soundhandle *)streamid; | 
|---|
| 948 | struct snd_pcm_hw_params *params = NULL; | 
|---|
| 949 | printk("PS UniaudIoctlHWParamSet\n"); | 
|---|
| 950 | params = (struct snd_pcm_hw_params *)pHwParams; | 
|---|
| 951 |  | 
|---|
| 952 | if (!params) return -1001; | 
|---|
| 953 | if (!pHandle) return -1002; | 
|---|
| 954 |  | 
|---|
| 955 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 956 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, SNDRV_PCM_IOCTL_HW_PARAMS, (ULONG)params); | 
|---|
| 957 | return ret; | 
|---|
| 958 | } | 
|---|
| 959 |  | 
|---|
| 960 | int UniaudIoctlSWParamSet(OSSSTREAMID streamid, void *pSwParams) | 
|---|
| 961 | { | 
|---|
| 962 | int ret; | 
|---|
| 963 | soundhandle        *pHandle = (soundhandle *)streamid; | 
|---|
| 964 | struct snd_pcm_sw_params *params = NULL; | 
|---|
| 965 | printk("PS UniaudIoctlSWParamSet\n"); | 
|---|
| 966 | params = (struct snd_pcm_sw_params *)pSwParams; | 
|---|
| 967 |  | 
|---|
| 968 | if (!params) return -1001; | 
|---|
| 969 | if (!pHandle) return -1002; | 
|---|
| 970 |  | 
|---|
| 971 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 972 |  | 
|---|
| 973 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, SNDRV_PCM_IOCTL_SW_PARAMS, (ULONG)params); | 
|---|
| 974 | return ret; | 
|---|
| 975 | } | 
|---|
| 976 |  | 
|---|
| 977 | int UniaudIoctlPCMStatus(OSSSTREAMID streamid, void *pstatus) | 
|---|
| 978 | { | 
|---|
| 979 | int ret; | 
|---|
| 980 | soundhandle        *pHandle = (soundhandle *)streamid; | 
|---|
| 981 | struct snd_pcm_status   *status = (struct snd_pcm_status *)pstatus; | 
|---|
| 982 |  | 
|---|
| 983 | if (!status) return -1001; | 
|---|
| 984 | if (!pHandle) return -1002; | 
|---|
| 985 |  | 
|---|
| 986 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 987 |  | 
|---|
| 988 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, SNDRV_PCM_IOCTL_STATUS, (ULONG)status); | 
|---|
| 989 | return ret; | 
|---|
| 990 | } | 
|---|
| 991 |  | 
|---|
| 992 | int UniaudIoctlPCMWrite(OSSSTREAMID streamid, char *buf, int size) | 
|---|
| 993 | { | 
|---|
| 994 | int ret; | 
|---|
| 995 | soundhandle        *pHandle = (soundhandle *)streamid; | 
|---|
| 996 |  | 
|---|
| 997 | if (!buf) return -1001; | 
|---|
| 998 | if (!pHandle) return -1002; | 
|---|
| 999 |  | 
|---|
| 1000 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 1001 |  | 
|---|
| 1002 | ret = pHandle->file.f_op->write(&pHandle->file, buf, size, &pHandle->file.f_pos); | 
|---|
| 1003 |  | 
|---|
| 1004 | return ret; | 
|---|
| 1005 | } | 
|---|
| 1006 |  | 
|---|
| 1007 | int UniaudIoctlPCMRead(OSSSTREAMID streamid, char *buf, int size) | 
|---|
| 1008 | { | 
|---|
| 1009 | int ret; | 
|---|
| 1010 | soundhandle        *pHandle = (soundhandle *)streamid; | 
|---|
| 1011 |  | 
|---|
| 1012 | if (!buf) return -1001; | 
|---|
| 1013 | if (!pHandle) return -1002; | 
|---|
| 1014 |  | 
|---|
| 1015 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 1016 |  | 
|---|
| 1017 | ret = pHandle->file.f_op->read(&pHandle->file, buf, size, &pHandle->file.f_pos); | 
|---|
| 1018 |  | 
|---|
| 1019 | return ret; | 
|---|
| 1020 | } | 
|---|
| 1021 |  | 
|---|
| 1022 | int UniaudIoctlPCMPrepare(OSSSTREAMID streamid) | 
|---|
| 1023 | { | 
|---|
| 1024 | int ret; | 
|---|
| 1025 | soundhandle        *pHandle = (soundhandle *)streamid; | 
|---|
| 1026 |  | 
|---|
| 1027 | if (!pHandle) return -1002; | 
|---|
| 1028 |  | 
|---|
| 1029 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 1030 |  | 
|---|
| 1031 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, SNDRV_PCM_IOCTL_PREPARE, 0); | 
|---|
| 1032 | return ret; | 
|---|
| 1033 | } | 
|---|
| 1034 |  | 
|---|
| 1035 | int UniaudIoctlPCMResume(OSSSTREAMID streamid, int pause) | 
|---|
| 1036 | { | 
|---|
| 1037 | int ret; | 
|---|
| 1038 | soundhandle        *pHandle = (soundhandle *)streamid; | 
|---|
| 1039 |  | 
|---|
| 1040 | if (!pHandle) return -1002; | 
|---|
| 1041 |  | 
|---|
| 1042 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 1043 |  | 
|---|
| 1044 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, SNDRV_PCM_IOCTL_PAUSE, pause); | 
|---|
| 1045 |  | 
|---|
| 1046 | return ret; | 
|---|
| 1047 | } | 
|---|
| 1048 |  | 
|---|
| 1049 | int UniaudIoctlPCMStart(OSSSTREAMID streamid) | 
|---|
| 1050 | { | 
|---|
| 1051 | int ret; | 
|---|
| 1052 | soundhandle        *pHandle = (soundhandle *)streamid; | 
|---|
| 1053 |  | 
|---|
| 1054 | if (!pHandle) return -1002; | 
|---|
| 1055 |  | 
|---|
| 1056 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 1057 |  | 
|---|
| 1058 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, SNDRV_PCM_IOCTL_START, 0); | 
|---|
| 1059 |  | 
|---|
| 1060 | return ret; | 
|---|
| 1061 | } | 
|---|
| 1062 |  | 
|---|
| 1063 | int UniaudIoctlPCMDrop(OSSSTREAMID streamid) | 
|---|
| 1064 | { | 
|---|
| 1065 | int ret; | 
|---|
| 1066 | soundhandle        *pHandle = (soundhandle *)streamid; | 
|---|
| 1067 |  | 
|---|
| 1068 | if (!pHandle) return -1002; | 
|---|
| 1069 |  | 
|---|
| 1070 | pHandle->file.f_flags = O_NONBLOCK; | 
|---|
| 1071 |  | 
|---|
| 1072 | ret = pHandle->file.f_op->ioctl(&pHandle->inode, &pHandle->file, SNDRV_PCM_IOCTL_DROP, 0); | 
|---|
| 1073 |  | 
|---|
| 1074 | return ret; | 
|---|
| 1075 | } | 
|---|
| 1076 |  | 
|---|
| 1077 | void UniaudCloseAll(USHORT fileid) | 
|---|
| 1078 | { | 
|---|
| 1079 | int i; | 
|---|
| 1080 |  | 
|---|
| 1081 | for (i=0; i < 8*256; i++) | 
|---|
| 1082 | { | 
|---|
| 1083 | if (opened_handles[i].handle != 0) | 
|---|
| 1084 | { | 
|---|
| 1085 | if (fileid) | 
|---|
| 1086 | { | 
|---|
| 1087 | if (fileid == opened_handles[i].FileId) | 
|---|
| 1088 | { | 
|---|
| 1089 | opened_handles[i].reuse = 0; | 
|---|
| 1090 | if (OSS32_WaveClose((OSSSTREAMID)opened_handles[i].handle) == 0) | 
|---|
| 1091 | opened_handles[i].handle = 0; | 
|---|
| 1092 | } | 
|---|
| 1093 | } | 
|---|
| 1094 | else | 
|---|
| 1095 | { | 
|---|
| 1096 | opened_handles[i].reuse = 0; | 
|---|
| 1097 | if (OSS32_WaveClose((OSSSTREAMID)opened_handles[i].handle) == 0) | 
|---|
| 1098 | opened_handles[i].handle = 0; | 
|---|
| 1099 | } | 
|---|
| 1100 | } | 
|---|
| 1101 | } | 
|---|
| 1102 | return; | 
|---|
| 1103 | } | 
|---|