Commit 555fdc2e9fb2071fdd10ff1d86b8d63265d80241

Authored by Takashi Iwai
Committed by Jaroslav Kysela
1 parent 55c385ad5e

[ALSA] Remove ppc/toonie.c

Remove obsoleted ppc/toonie.c.
The function is replaced with new snd-aoa driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

Showing 1 changed file with 0 additions and 378 deletions Side-by-side Diff

1   -/*
2   - * Mac Mini "toonie" mixer control
3   - *
4   - * Copyright (c) 2005 by Benjamin Herrenschmidt <benh@kernel.crashing.org>
5   - *
6   - * This program is free software; you can redistribute it and/or modify
7   - * it under the terms of the GNU General Public License as published by
8   - * the Free Software Foundation; either version 2 of the License, or
9   - * (at your option) any later version.
10   - *
11   - * This program is distributed in the hope that it will be useful,
12   - * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14   - * GNU General Public License for more details.
15   - *
16   - * You should have received a copy of the GNU General Public License
17   - * along with this program; if not, write to the Free Software
18   - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19   - */
20   -
21   -#include <sound/driver.h>
22   -#include <linux/init.h>
23   -#include <linux/delay.h>
24   -#include <linux/i2c.h>
25   -#include <linux/kmod.h>
26   -#include <linux/slab.h>
27   -#include <linux/interrupt.h>
28   -#include <sound/core.h>
29   -#include <asm/io.h>
30   -#include <asm/irq.h>
31   -#include <asm/machdep.h>
32   -#include <asm/pmac_feature.h>
33   -#include "pmac.h"
34   -
35   -#undef DEBUG
36   -
37   -#ifdef DEBUG
38   -#define DBG(fmt...) printk(fmt)
39   -#else
40   -#define DBG(fmt...)
41   -#endif
42   -
43   -struct pmac_gpio {
44   - unsigned int addr;
45   - u8 active_val;
46   - u8 inactive_val;
47   - u8 active_state;
48   -};
49   -
50   -struct pmac_toonie
51   -{
52   - struct pmac_gpio hp_detect_gpio;
53   - struct pmac_gpio hp_mute_gpio;
54   - struct pmac_gpio amp_mute_gpio;
55   - int hp_detect_irq;
56   - int auto_mute_notify;
57   - struct work_struct detect_work;
58   -};
59   -
60   -
61   -/*
62   - * gpio access
63   - */
64   -#define do_gpio_write(gp, val) \
65   - pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
66   -#define do_gpio_read(gp) \
67   - pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
68   -#define tumbler_gpio_free(gp) /* NOP */
69   -
70   -static void write_audio_gpio(struct pmac_gpio *gp, int active)
71   -{
72   - if (! gp->addr)
73   - return;
74   - active = active ? gp->active_val : gp->inactive_val;
75   - do_gpio_write(gp, active);
76   - DBG("(I) gpio %x write %d\n", gp->addr, active);
77   -}
78   -
79   -static int check_audio_gpio(struct pmac_gpio *gp)
80   -{
81   - int ret;
82   -
83   - if (! gp->addr)
84   - return 0;
85   -
86   - ret = do_gpio_read(gp);
87   -
88   - return (ret & 0xd) == (gp->active_val & 0xd);
89   -}
90   -
91   -static int read_audio_gpio(struct pmac_gpio *gp)
92   -{
93   - int ret;
94   - if (! gp->addr)
95   - return 0;
96   - ret = ((do_gpio_read(gp) & 0x02) !=0);
97   - return ret == gp->active_state;
98   -}
99   -
100   -
101   -enum { TOONIE_MUTE_HP, TOONIE_MUTE_AMP };
102   -
103   -static int toonie_get_mute_switch(struct snd_kcontrol *kcontrol,
104   - struct snd_ctl_elem_value *ucontrol)
105   -{
106   - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
107   - struct pmac_toonie *mix = chip->mixer_data;
108   - struct pmac_gpio *gp;
109   -
110   - if (mix == NULL)
111   - return -ENODEV;
112   - switch(kcontrol->private_value) {
113   - case TOONIE_MUTE_HP:
114   - gp = &mix->hp_mute_gpio;
115   - break;
116   - case TOONIE_MUTE_AMP:
117   - gp = &mix->amp_mute_gpio;
118   - break;
119   - default:
120   - return -EINVAL;
121   - }
122   - ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
123   - return 0;
124   -}
125   -
126   -static int toonie_put_mute_switch(struct snd_kcontrol *kcontrol,
127   - struct snd_ctl_elem_value *ucontrol)
128   -{
129   - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
130   - struct pmac_toonie *mix = chip->mixer_data;
131   - struct pmac_gpio *gp;
132   - int val;
133   -
134   - if (chip->update_automute && chip->auto_mute)
135   - return 0; /* don't touch in the auto-mute mode */
136   -
137   - if (mix == NULL)
138   - return -ENODEV;
139   -
140   - switch(kcontrol->private_value) {
141   - case TOONIE_MUTE_HP:
142   - gp = &mix->hp_mute_gpio;
143   - break;
144   - case TOONIE_MUTE_AMP:
145   - gp = &mix->amp_mute_gpio;
146   - break;
147   - default:
148   - return -EINVAL;
149   - }
150   - val = ! check_audio_gpio(gp);
151   - if (val != ucontrol->value.integer.value[0]) {
152   - write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
153   - return 1;
154   - }
155   - return 0;
156   -}
157   -
158   -static struct snd_kcontrol_new toonie_hp_sw __initdata = {
159   - .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
160   - .name = "Headphone Playback Switch",
161   - .info = snd_pmac_boolean_mono_info,
162   - .get = toonie_get_mute_switch,
163   - .put = toonie_put_mute_switch,
164   - .private_value = TOONIE_MUTE_HP,
165   -};
166   -static struct snd_kcontrol_new toonie_speaker_sw __initdata = {
167   - .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
168   - .name = "PC Speaker Playback Switch",
169   - .info = snd_pmac_boolean_mono_info,
170   - .get = toonie_get_mute_switch,
171   - .put = toonie_put_mute_switch,
172   - .private_value = TOONIE_MUTE_AMP,
173   -};
174   -
175   -/*
176   - * auto-mute stuffs
177   - */
178   -static int toonie_detect_headphone(struct snd_pmac *chip)
179   -{
180   - struct pmac_toonie *mix = chip->mixer_data;
181   - int detect = 0;
182   -
183   - if (mix->hp_detect_gpio.addr)
184   - detect |= read_audio_gpio(&mix->hp_detect_gpio);
185   - return detect;
186   -}
187   -
188   -static void toonie_check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val,
189   - int do_notify, struct snd_kcontrol *sw)
190   -{
191   - if (check_audio_gpio(gp) != val) {
192   - write_audio_gpio(gp, val);
193   - if (do_notify)
194   - snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
195   - &sw->id);
196   - }
197   -}
198   -
199   -static void toonie_detect_handler(void *self)
200   -{
201   - struct snd_pmac *chip = (struct snd_pmac *) self;
202   - struct pmac_toonie *mix;
203   - int headphone;
204   -
205   - if (!chip)
206   - return;
207   -
208   - mix = chip->mixer_data;
209   - snd_assert(mix, return);
210   -
211   - headphone = toonie_detect_headphone(chip);
212   -
213   - DBG("headphone: %d, lineout: %d\n", headphone, lineout);
214   -
215   - if (headphone) {
216   - /* unmute headphone/lineout & mute speaker */
217   - toonie_check_mute(chip, &mix->hp_mute_gpio, 0,
218   - mix->auto_mute_notify, chip->master_sw_ctl);
219   - toonie_check_mute(chip, &mix->amp_mute_gpio, 1,
220   - mix->auto_mute_notify, chip->speaker_sw_ctl);
221   - } else {
222   - /* unmute speaker, mute others */
223   - toonie_check_mute(chip, &mix->amp_mute_gpio, 0,
224   - mix->auto_mute_notify, chip->speaker_sw_ctl);
225   - toonie_check_mute(chip, &mix->hp_mute_gpio, 1,
226   - mix->auto_mute_notify, chip->master_sw_ctl);
227   - }
228   - if (mix->auto_mute_notify) {
229   - snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
230   - &chip->hp_detect_ctl->id);
231   - }
232   -}
233   -
234   -static void toonie_update_automute(struct snd_pmac *chip, int do_notify)
235   -{
236   - if (chip->auto_mute) {
237   - struct pmac_toonie *mix;
238   - mix = chip->mixer_data;
239   - snd_assert(mix, return);
240   - mix->auto_mute_notify = do_notify;
241   - schedule_work(&mix->detect_work);
242   - }
243   -}
244   -
245   -/* interrupt - headphone plug changed */
246   -static irqreturn_t toonie_hp_intr(int irq, void *devid, struct pt_regs *regs)
247   -{
248   - struct snd_pmac *chip = devid;
249   -
250   - if (chip->update_automute && chip->initialized) {
251   - chip->update_automute(chip, 1);
252   - return IRQ_HANDLED;
253   - }
254   - return IRQ_NONE;
255   -}
256   -
257   -/* look for audio gpio device */
258   -static int find_audio_gpio(const char *name, const char *platform,
259   - struct pmac_gpio *gp)
260   -{
261   - struct device_node *np;
262   - u32 *base, addr;
263   -
264   - if (! (np = find_devices("gpio")))
265   - return -ENODEV;
266   -
267   - for (np = np->child; np; np = np->sibling) {
268   - char *property = get_property(np, "audio-gpio", NULL);
269   - if (property && strcmp(property, name) == 0)
270   - break;
271   - if (device_is_compatible(np, name))
272   - break;
273   - }
274   - if (np == NULL)
275   - return -ENODEV;
276   -
277   - base = (u32 *)get_property(np, "AAPL,address", NULL);
278   - if (! base) {
279   - base = (u32 *)get_property(np, "reg", NULL);
280   - if (!base) {
281   - DBG("(E) cannot find address for device %s !\n", name);
282   - return -ENODEV;
283   - }
284   - addr = *base;
285   - if (addr < 0x50)
286   - addr += 0x50;
287   - } else
288   - addr = *base;
289   -
290   - gp->addr = addr & 0x0000ffff;
291   -
292   - /* Try to find the active state, default to 0 ! */
293   - base = (u32 *)get_property(np, "audio-gpio-active-state", NULL);
294   - if (base) {
295   - gp->active_state = *base;
296   - gp->active_val = (*base) ? 0x5 : 0x4;
297   - gp->inactive_val = (*base) ? 0x4 : 0x5;
298   - } else {
299   - u32 *prop = NULL;
300   - gp->active_state = 0;
301   - gp->active_val = 0x4;
302   - gp->inactive_val = 0x5;
303   - /* Here are some crude hacks to extract the GPIO polarity and
304   - * open collector informations out of the do-platform script
305   - * as we don't yet have an interpreter for these things
306   - */
307   - if (platform)
308   - prop = (u32 *)get_property(np, platform, NULL);
309   - if (prop) {
310   - if (prop[3] == 0x9 && prop[4] == 0x9) {
311   - gp->active_val = 0xd;
312   - gp->inactive_val = 0xc;
313   - }
314   - if (prop[3] == 0x1 && prop[4] == 0x1) {
315   - gp->active_val = 0x5;
316   - gp->inactive_val = 0x4;
317   - }
318   - }
319   - }
320   -
321   - DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
322   - name, gp->addr, gp->active_state);
323   -
324   - return (np->n_intrs > 0) ? np->intrs[0].line : 0;
325   -}
326   -
327   -static void toonie_cleanup(struct snd_pmac *chip)
328   -{
329   - struct pmac_toonie *mix = chip->mixer_data;
330   - if (! mix)
331   - return;
332   - if (mix->hp_detect_irq >= 0)
333   - free_irq(mix->hp_detect_irq, chip);
334   - kfree(mix);
335   - chip->mixer_data = NULL;
336   -}
337   -
338   -int __init snd_pmac_toonie_init(struct snd_pmac *chip)
339   -{
340   - struct pmac_toonie *mix;
341   -
342   - mix = kmalloc(sizeof(*mix), GFP_KERNEL);
343   - if (! mix)
344   - return -ENOMEM;
345   -
346   - chip->mixer_data = mix;
347   - chip->mixer_free = toonie_cleanup;
348   -
349   - find_audio_gpio("headphone-mute", NULL, &mix->hp_mute_gpio);
350   - find_audio_gpio("amp-mute", NULL, &mix->amp_mute_gpio);
351   - mix->hp_detect_irq = find_audio_gpio("headphone-detect",
352   - NULL, &mix->hp_detect_gpio);
353   -
354   - strcpy(chip->card->mixername, "PowerMac Toonie");
355   -
356   - chip->master_sw_ctl = snd_ctl_new1(&toonie_hp_sw, chip);
357   - snd_ctl_add(chip->card, chip->master_sw_ctl);
358   -
359   - chip->speaker_sw_ctl = snd_ctl_new1(&toonie_speaker_sw, chip);
360   - snd_ctl_add(chip->card, chip->speaker_sw_ctl);
361   -
362   - INIT_WORK(&mix->detect_work, toonie_detect_handler, (void *)chip);
363   -
364   - if (mix->hp_detect_irq >= 0) {
365   - snd_pmac_add_automute(chip);
366   -
367   - chip->detect_headphone = toonie_detect_headphone;
368   - chip->update_automute = toonie_update_automute;
369   - toonie_update_automute(chip, 0);
370   -
371   - if (request_irq(mix->hp_detect_irq, toonie_hp_intr, 0,
372   - "Sound Headphone Detection", chip) < 0)
373   - mix->hp_detect_irq = -1;
374   - }
375   -
376   - return 0;
377   -}