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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 10:47:46 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 10:47:46 -0500
commita421018e8c10e5593a1fee076af72a66c3fe8ca3 (patch)
tree2854511845d0e07d33726a13eda6de1059a5c9df /sound/pci/oxygen/xonar_lib.c
parent3ad1f3b35e8309ec93454dbf89beaafcdb5312da (diff)
parent86e1d57e4f24ca27ce813bdc2afaac4adafcbaf4 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (294 commits) S3C64XX: Staticise platform data for PCM devices ASoC: Rename controls with a / in wm_hubs snd-fm801: autodetect SF64-PCR (tuner-only) card ALSA: tea575x-tuner: fix mute ASoC: au1x: dbdma2: plug memleak in pcm device creation error path ASoC: au1x: dbdma2: fix oops on soc device removal. ALSA: hda - Fix memory leaks in the previous patch ALSA: hda - Add ALC661/259, ALC892/888VD support ALSA: opti9xx: remove snd_opti9xx fields ALSA: aaci - Clean up duplicate code ALSA: usb - Fix mixer map for Hercules Gamesurround Muse Pocket LT ALSA: hda - Add position_fix quirk for HP dv3 ALSA: hda - Add a pin-fix for FSC Amilo Pi1505 ALSA: hda - Fix Cxt5047 test mode ASoC: pxa/raumfeld: adopt new snd_soc_dai_set_pll() API ASoC: sh: fsi: Add runtime PM support sh: ms7724se: Add runtime PM support for FSI ALSA: hda - Add a position_fix quirk for MSI Wind U115 ALSA: opti-miro: add PnP detection ALSA: opti-miro: separate comon probing code ...
Diffstat (limited to 'sound/pci/oxygen/xonar_lib.c')
-rw-r--r--sound/pci/oxygen/xonar_lib.c132
1 files changed, 132 insertions, 0 deletions
diff --git a/sound/pci/oxygen/xonar_lib.c b/sound/pci/oxygen/xonar_lib.c
new file mode 100644
index 000000000000..b3ff71316653
--- /dev/null
+++ b/sound/pci/oxygen/xonar_lib.c
@@ -0,0 +1,132 @@
1/*
2 * helper functions for Asus Xonar cards
3 *
4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
5 *
6 *
7 * This driver is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License, version 2.
9 *
10 * This driver is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this driver; if not, see <http://www.gnu.org/licenses/>.
17 */
18
19#include <linux/delay.h>
20#include <sound/core.h>
21#include <sound/control.h>
22#include <sound/pcm.h>
23#include <sound/pcm_params.h>
24#include "xonar.h"
25
26
27#define GPIO_CS53x1_M_MASK 0x000c
28#define GPIO_CS53x1_M_SINGLE 0x0000
29#define GPIO_CS53x1_M_DOUBLE 0x0004
30#define GPIO_CS53x1_M_QUAD 0x0008
31
32
33void xonar_enable_output(struct oxygen *chip)
34{
35 struct xonar_generic *data = chip->model_data;
36
37 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, data->output_enable_bit);
38 msleep(data->anti_pop_delay);
39 oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, data->output_enable_bit);
40}
41
42void xonar_disable_output(struct oxygen *chip)
43{
44 struct xonar_generic *data = chip->model_data;
45
46 oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, data->output_enable_bit);
47}
48
49static void xonar_ext_power_gpio_changed(struct oxygen *chip)
50{
51 struct xonar_generic *data = chip->model_data;
52 u8 has_power;
53
54 has_power = !!(oxygen_read8(chip, data->ext_power_reg)
55 & data->ext_power_bit);
56 if (has_power != data->has_power) {
57 data->has_power = has_power;
58 if (has_power) {
59 snd_printk(KERN_NOTICE "power restored\n");
60 } else {
61 snd_printk(KERN_CRIT
62 "Hey! Don't unplug the power cable!\n");
63 /* TODO: stop PCMs */
64 }
65 }
66}
67
68void xonar_init_ext_power(struct oxygen *chip)
69{
70 struct xonar_generic *data = chip->model_data;
71
72 oxygen_set_bits8(chip, data->ext_power_int_reg,
73 data->ext_power_bit);
74 chip->interrupt_mask |= OXYGEN_INT_GPIO;
75 chip->model.gpio_changed = xonar_ext_power_gpio_changed;
76 data->has_power = !!(oxygen_read8(chip, data->ext_power_reg)
77 & data->ext_power_bit);
78}
79
80void xonar_init_cs53x1(struct oxygen *chip)
81{
82 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CS53x1_M_MASK);
83 oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
84 GPIO_CS53x1_M_SINGLE, GPIO_CS53x1_M_MASK);
85}
86
87void xonar_set_cs53x1_params(struct oxygen *chip,
88 struct snd_pcm_hw_params *params)
89{
90 unsigned int value;
91
92 if (params_rate(params) <= 54000)
93 value = GPIO_CS53x1_M_SINGLE;
94 else if (params_rate(params) <= 108000)
95 value = GPIO_CS53x1_M_DOUBLE;
96 else
97 value = GPIO_CS53x1_M_QUAD;
98 oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
99 value, GPIO_CS53x1_M_MASK);
100}
101
102int xonar_gpio_bit_switch_get(struct snd_kcontrol *ctl,
103 struct snd_ctl_elem_value *value)
104{
105 struct oxygen *chip = ctl->private_data;
106 u16 bit = ctl->private_value;
107
108 value->value.integer.value[0] =
109 !!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & bit);
110 return 0;
111}
112
113int xonar_gpio_bit_switch_put(struct snd_kcontrol *ctl,
114 struct snd_ctl_elem_value *value)
115{
116 struct oxygen *chip = ctl->private_data;
117 u16 bit = ctl->private_value;
118 u16 old_bits, new_bits;
119 int changed;
120
121 spin_lock_irq(&chip->reg_lock);
122 old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
123 if (value->value.integer.value[0])
124 new_bits = old_bits | bit;
125 else
126 new_bits = old_bits & ~bit;
127 changed = new_bits != old_bits;
128 if (changed)
129 oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
130 spin_unlock_irq(&chip->reg_lock);
131 return changed;
132}