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12#include "driver.h"
13
14#include <sound/core.h>
15#include <sound/control.h>
16#include <sound/pcm.h>
17#include <sound/pcm_params.h>
18
19#include "audio.h"
20#include "capture.h"
21#include "playback.h"
22#include "pod.h"
23
24
25
26int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd)
27{
28 struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);
29 struct snd_pcm_substream *s;
30 int err;
31 unsigned long flags;
32
33 spin_lock_irqsave(&line6pcm->lock_trigger, flags);
34 clear_bit(BIT_PREPARED, &line6pcm->flags);
35
36 snd_pcm_group_for_each_entry(s, substream) {
37 switch (s->stream) {
38 case SNDRV_PCM_STREAM_PLAYBACK:
39 err = snd_line6_playback_trigger(s, cmd);
40
41 if (err < 0) {
42 spin_unlock_irqrestore(&line6pcm->lock_trigger,
43 flags);
44 return err;
45 }
46
47 break;
48
49 case SNDRV_PCM_STREAM_CAPTURE:
50 err = snd_line6_capture_trigger(s, cmd);
51
52 if (err < 0) {
53 spin_unlock_irqrestore(&line6pcm->lock_trigger,
54 flags);
55 return err;
56 }
57
58 break;
59
60 default:
61 dev_err(s2m(substream), "Unknown stream direction %d\n",
62 s->stream);
63 }
64 }
65
66 spin_unlock_irqrestore(&line6pcm->lock_trigger, flags);
67 return 0;
68}
69
70
71static int snd_line6_control_info(struct snd_kcontrol *kcontrol,
72 struct snd_ctl_elem_info *uinfo)
73{
74 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
75 uinfo->count = 2;
76 uinfo->value.integer.min = 0;
77 uinfo->value.integer.max = 256;
78 return 0;
79}
80
81
82static int snd_line6_control_get(struct snd_kcontrol *kcontrol,
83 struct snd_ctl_elem_value *ucontrol)
84{
85 int i;
86 struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
87
88 for (i = 2; i--;)
89 ucontrol->value.integer.value[i] = line6pcm->volume[i];
90
91 return 0;
92}
93
94
95static int snd_line6_control_put(struct snd_kcontrol *kcontrol,
96 struct snd_ctl_elem_value *ucontrol)
97{
98 int i, changed = 0;
99 struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
100
101 for (i = 2; i--;)
102 if (line6pcm->volume[i] != ucontrol->value.integer.value[i]) {
103 line6pcm->volume[i] = ucontrol->value.integer.value[i];
104 changed = 1;
105 }
106
107 return changed;
108}
109
110
111static struct snd_kcontrol_new line6_control = {
112 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
113 .name = "PCM Playback Volume",
114 .index = 0,
115 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
116 .info = snd_line6_control_info,
117 .get = snd_line6_control_get,
118 .put = snd_line6_control_put
119};
120
121
122
123
124static void line6_cleanup_pcm(struct snd_pcm *pcm)
125{
126 int i;
127 struct snd_line6_pcm *line6pcm = snd_pcm_chip(pcm);
128
129 for (i = LINE6_ISO_BUFFERS; i--;) {
130 if (line6pcm->urb_audio_out[i]) {
131 usb_kill_urb(line6pcm->urb_audio_out[i]);
132 usb_free_urb(line6pcm->urb_audio_out[i]);
133 }
134 if (line6pcm->urb_audio_in[i]) {
135 usb_kill_urb(line6pcm->urb_audio_in[i]);
136 usb_free_urb(line6pcm->urb_audio_in[i]);
137 }
138 }
139}
140
141
142static int snd_line6_new_pcm(struct snd_line6_pcm *line6pcm)
143{
144 struct snd_pcm *pcm;
145 int err;
146
147 err = snd_pcm_new(line6pcm->line6->card,
148 (char *)line6pcm->line6->properties->name,
149 0, 1, 1, &pcm);
150 if (err < 0)
151 return err;
152
153 pcm->private_data = line6pcm;
154 pcm->private_free = line6_cleanup_pcm;
155 line6pcm->pcm = pcm;
156 strcpy(pcm->name, line6pcm->line6->properties->name);
157
158
159 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_line6_playback_ops);
160 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_line6_capture_ops);
161
162
163 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
164 snd_dma_continuous_data(GFP_KERNEL),
165 64 * 1024, 128 * 1024);
166
167 return 0;
168}
169
170
171static int snd_line6_pcm_free(struct snd_device *device)
172{
173 return 0;
174}
175
176
177
178
179
180int line6_init_pcm(struct usb_line6 *line6,
181 struct line6_pcm_properties *properties)
182{
183 static struct snd_device_ops pcm_ops = {
184 .dev_free = snd_line6_pcm_free,
185 };
186
187 int err;
188 int ep_read = 0, ep_write = 0;
189 struct snd_line6_pcm *line6pcm;
190
191 if (!(line6->properties->capabilities & LINE6_BIT_PCM))
192 return 0;
193
194
195 switch (line6->product) {
196 case LINE6_DEVID_BASSPODXT:
197 case LINE6_DEVID_BASSPODXTLIVE:
198 case LINE6_DEVID_BASSPODXTPRO:
199 case LINE6_DEVID_PODXT:
200 case LINE6_DEVID_PODXTLIVE:
201 case LINE6_DEVID_PODXTPRO:
202 ep_read = 0x82;
203 ep_write = 0x01;
204 break;
205
206 case LINE6_DEVID_PODX3:
207 case LINE6_DEVID_PODX3LIVE:
208 ep_read = 0x86;
209 ep_write = 0x02;
210 break;
211
212 case LINE6_DEVID_POCKETPOD:
213 ep_read = 0x82;
214 ep_write = 0x02;
215 break;
216
217 case LINE6_DEVID_GUITARPORT:
218 case LINE6_DEVID_TONEPORT_GX:
219 ep_read = 0x82;
220 ep_write = 0x01;
221 break;
222
223 case LINE6_DEVID_TONEPORT_UX1:
224 ep_read = 0x00;
225 ep_write = 0x00;
226 break;
227
228 case LINE6_DEVID_TONEPORT_UX2:
229 ep_read = 0x87;
230 ep_write = 0x00;
231 break;
232
233 default:
234 MISSING_CASE;
235 }
236
237 line6pcm = kzalloc(sizeof(struct snd_line6_pcm), GFP_KERNEL);
238
239 if (line6pcm == NULL)
240 return -ENOMEM;
241
242 line6pcm->volume[0] = line6pcm->volume[1] = 128;
243 line6pcm->line6 = line6;
244 line6pcm->ep_audio_read = ep_read;
245 line6pcm->ep_audio_write = ep_write;
246 line6pcm->max_packet_size = usb_maxpacket(line6->usbdev,
247 usb_rcvintpipe(line6->usbdev,
248 ep_read),
249 0);
250 line6pcm->properties = properties;
251 line6->line6pcm = line6pcm;
252
253
254 err = snd_device_new(line6->card, SNDRV_DEV_PCM, line6, &pcm_ops);
255 if (err < 0)
256 return err;
257
258 snd_card_set_dev(line6->card, line6->ifcdev);
259
260 err = snd_line6_new_pcm(line6pcm);
261 if (err < 0)
262 return err;
263
264 spin_lock_init(&line6pcm->lock_audio_out);
265 spin_lock_init(&line6pcm->lock_audio_in);
266 spin_lock_init(&line6pcm->lock_trigger);
267
268 err = create_audio_out_urbs(line6pcm);
269 if (err < 0)
270 return err;
271
272 err = create_audio_in_urbs(line6pcm);
273 if (err < 0)
274 return err;
275
276
277 err = snd_ctl_add(line6->card, snd_ctl_new1(&line6_control, line6pcm));
278 if (err < 0)
279 return err;
280
281 return 0;
282}
283
284
285int snd_line6_prepare(struct snd_pcm_substream *substream)
286{
287 struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);
288
289 if (!test_and_set_bit(BIT_PREPARED, &line6pcm->flags)) {
290 unlink_wait_clear_audio_out_urbs(line6pcm);
291 line6pcm->pos_out = 0;
292 line6pcm->pos_out_done = 0;
293
294 unlink_wait_clear_audio_in_urbs(line6pcm);
295 line6pcm->bytes_out = 0;
296 line6pcm->pos_in_done = 0;
297 line6pcm->bytes_in = 0;
298 }
299
300 return 0;
301}
302
