diff options
Diffstat (limited to 'sound/ppc/beep.c')
-rw-r--r-- | sound/ppc/beep.c | 66 |
1 files changed, 37 insertions, 29 deletions
diff --git a/sound/ppc/beep.c b/sound/ppc/beep.c index 31ea7a4c069f..1681ee13efbb 100644 --- a/sound/ppc/beep.c +++ b/sound/ppc/beep.c | |||
@@ -31,14 +31,14 @@ | |||
31 | #include "pmac.h" | 31 | #include "pmac.h" |
32 | 32 | ||
33 | struct snd_pmac_beep { | 33 | struct snd_pmac_beep { |
34 | int running; /* boolean */ | 34 | int running; /* boolean */ |
35 | int volume; /* mixer volume: 0-100 */ | 35 | int volume; /* mixer volume: 0-100 */ |
36 | int volume_play; /* currently playing volume */ | 36 | int volume_play; /* currently playing volume */ |
37 | int hz; | 37 | int hz; |
38 | int nsamples; | 38 | int nsamples; |
39 | short *buf; /* allocated wave buffer */ | 39 | short *buf; /* allocated wave buffer */ |
40 | dma_addr_t addr; /* physical address of buffer */ | 40 | dma_addr_t addr; /* physical address of buffer */ |
41 | struct input_dev dev; | 41 | struct input_dev *dev; |
42 | }; | 42 | }; |
43 | 43 | ||
44 | /* | 44 | /* |
@@ -212,47 +212,55 @@ static snd_kcontrol_new_t snd_pmac_beep_mixer = { | |||
212 | int __init snd_pmac_attach_beep(pmac_t *chip) | 212 | int __init snd_pmac_attach_beep(pmac_t *chip) |
213 | { | 213 | { |
214 | pmac_beep_t *beep; | 214 | pmac_beep_t *beep; |
215 | int err; | 215 | struct input_dev *input_dev; |
216 | void *dmabuf; | ||
217 | int err = -ENOMEM; | ||
216 | 218 | ||
217 | beep = kmalloc(sizeof(*beep), GFP_KERNEL); | 219 | beep = kzalloc(sizeof(*beep), GFP_KERNEL); |
218 | if (! beep) | 220 | dmabuf = dma_alloc_coherent(&chip->pdev->dev, BEEP_BUFLEN * 4, |
219 | return -ENOMEM; | 221 | &beep->addr, GFP_KERNEL); |
220 | 222 | input_dev = input_allocate_device(); | |
221 | memset(beep, 0, sizeof(*beep)); | 223 | if (!beep || !dmabuf || !input_dev) |
222 | beep->buf = dma_alloc_coherent(&chip->pdev->dev, BEEP_BUFLEN * 4, | 224 | goto fail; |
223 | &beep->addr, GFP_KERNEL); | ||
224 | |||
225 | beep->dev.evbit[0] = BIT(EV_SND); | ||
226 | beep->dev.sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE); | ||
227 | beep->dev.event = snd_pmac_beep_event; | ||
228 | beep->dev.private = chip; | ||
229 | 225 | ||
230 | /* FIXME: set more better values */ | 226 | /* FIXME: set more better values */ |
231 | beep->dev.name = "PowerMac Beep"; | 227 | input_dev->name = "PowerMac Beep"; |
232 | beep->dev.phys = "powermac/beep"; | 228 | input_dev->phys = "powermac/beep"; |
233 | beep->dev.id.bustype = BUS_ADB; | 229 | input_dev->id.bustype = BUS_ADB; |
234 | beep->dev.id.vendor = 0x001f; | 230 | input_dev->id.vendor = 0x001f; |
235 | beep->dev.id.product = 0x0001; | 231 | input_dev->id.product = 0x0001; |
236 | beep->dev.id.version = 0x0100; | 232 | input_dev->id.version = 0x0100; |
233 | |||
234 | input_dev->evbit[0] = BIT(EV_SND); | ||
235 | input_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE); | ||
236 | input_dev->event = snd_pmac_beep_event; | ||
237 | input_dev->private = chip; | ||
238 | input_dev->cdev.dev = &chip->pdev->dev; | ||
237 | 239 | ||
240 | beep->dev = input_dev; | ||
241 | beep->buf = dmabuf; | ||
238 | beep->volume = BEEP_VOLUME; | 242 | beep->volume = BEEP_VOLUME; |
239 | beep->running = 0; | 243 | beep->running = 0; |
240 | if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_pmac_beep_mixer, chip))) < 0) { | 244 | |
241 | kfree(beep->buf); | 245 | err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_pmac_beep_mixer, chip)); |
242 | kfree(beep); | 246 | if (err < 0) |
243 | return err; | 247 | goto fail; |
244 | } | ||
245 | 248 | ||
246 | chip->beep = beep; | 249 | chip->beep = beep; |
247 | input_register_device(&beep->dev); | 250 | input_register_device(beep->dev); |
248 | 251 | ||
249 | return 0; | 252 | return 0; |
253 | |||
254 | fail: input_free_device(input_dev); | ||
255 | kfree(dmabuf); | ||
256 | kfree(beep); | ||
257 | return err; | ||
250 | } | 258 | } |
251 | 259 | ||
252 | void snd_pmac_detach_beep(pmac_t *chip) | 260 | void snd_pmac_detach_beep(pmac_t *chip) |
253 | { | 261 | { |
254 | if (chip->beep) { | 262 | if (chip->beep) { |
255 | input_unregister_device(&chip->beep->dev); | 263 | input_unregister_device(chip->beep->dev); |
256 | dma_free_coherent(&chip->pdev->dev, BEEP_BUFLEN * 4, | 264 | dma_free_coherent(&chip->pdev->dev, BEEP_BUFLEN * 4, |
257 | chip->beep->buf, chip->beep->addr); | 265 | chip->beep->buf, chip->beep->addr); |
258 | kfree(chip->beep); | 266 | kfree(chip->beep); |