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