fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / sound / ppc / pmac.h
blob25c512c2d74d2cb577a9163f04026d49717ae52c
1 /*
2 * Driver for PowerMac onboard soundchips
3 * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>
4 * based on dmasound.c.
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.
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.
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
22 #ifndef __PMAC_H
23 #define __PMAC_H
25 #include <sound/control.h>
26 #include <sound/pcm.h>
27 #include "awacs.h"
29 #include <linux/adb.h>
30 #ifdef CONFIG_ADB_CUDA
31 #include <linux/cuda.h>
32 #endif
33 #ifdef CONFIG_ADB_PMU
34 #include <linux/pmu.h>
35 #endif
36 #include <linux/nvram.h>
37 #include <linux/tty.h>
38 #include <linux/vt_kern.h>
39 #include <asm/dbdma.h>
40 #include <asm/prom.h>
41 #include <asm/machdep.h>
43 /* maximum number of fragments */
44 #define PMAC_MAX_FRAGS 32
47 #define PMAC_SUPPORT_AUTOMUTE
50 * DBDMA space
52 struct pmac_dbdma {
53 dma_addr_t dma_base;
54 dma_addr_t addr;
55 struct dbdma_cmd __iomem *cmds;
56 void *space;
57 int size;
61 * playback/capture stream
63 struct pmac_stream {
64 int running; /* boolean */
66 int stream; /* PLAYBACK/CAPTURE */
68 int dma_size; /* in bytes */
69 int period_size; /* in bytes */
70 int buffer_size; /* in kbytes */
71 int nperiods, cur_period;
73 struct pmac_dbdma cmd;
74 volatile struct dbdma_regs __iomem *dma;
76 struct snd_pcm_substream *substream;
78 unsigned int cur_freqs; /* currently available frequencies */
79 unsigned int cur_formats; /* currently available formats */
86 enum snd_pmac_model {
87 PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER,
88 PMAC_SNAPPER
91 struct snd_pmac {
92 struct snd_card *card;
94 /* h/w info */
95 struct device_node *node;
96 struct pci_dev *pdev;
97 unsigned int revision;
98 unsigned int manufacturer;
99 unsigned int subframe;
100 unsigned int device_id;
101 enum snd_pmac_model model;
103 unsigned int has_iic : 1;
104 unsigned int is_pbook_3400 : 1;
105 unsigned int is_pbook_G3 : 1;
106 unsigned int is_k2 : 1;
108 unsigned int can_byte_swap : 1;
109 unsigned int can_duplex : 1;
110 unsigned int can_capture : 1;
112 unsigned int auto_mute : 1;
113 unsigned int initialized : 1;
114 unsigned int feature_is_set : 1;
116 unsigned int requested;
117 struct resource rsrc[3];
119 int num_freqs;
120 int *freq_table;
121 unsigned int freqs_ok; /* bit flags */
122 unsigned int formats_ok; /* pcm hwinfo */
123 int active;
124 int rate_index;
125 int format; /* current format */
127 spinlock_t reg_lock;
128 volatile struct awacs_regs __iomem *awacs;
129 int awacs_reg[8]; /* register cache */
130 unsigned int hp_stat_mask;
132 unsigned char __iomem *latch_base;
133 unsigned char __iomem *macio_base;
135 struct pmac_stream playback;
136 struct pmac_stream capture;
138 struct pmac_dbdma extra_dma;
140 int irq, tx_irq, rx_irq;
142 struct snd_pcm *pcm;
144 struct pmac_beep *beep;
146 unsigned int control_mask; /* control mask */
148 /* mixer stuffs */
149 void *mixer_data;
150 void (*mixer_free)(struct snd_pmac *);
151 struct snd_kcontrol *master_sw_ctl;
152 struct snd_kcontrol *speaker_sw_ctl;
153 struct snd_kcontrol *drc_sw_ctl; /* only used for tumbler -ReneR */
154 struct snd_kcontrol *hp_detect_ctl;
155 struct snd_kcontrol *lineout_sw_ctl;
157 /* lowlevel callbacks */
158 void (*set_format)(struct snd_pmac *chip);
159 void (*update_automute)(struct snd_pmac *chip, int do_notify);
160 int (*detect_headphone)(struct snd_pmac *chip);
161 #ifdef CONFIG_PM
162 void (*suspend)(struct snd_pmac *chip);
163 void (*resume)(struct snd_pmac *chip);
164 #endif
169 /* exported functions */
170 int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return);
171 int snd_pmac_pcm_new(struct snd_pmac *chip);
172 int snd_pmac_attach_beep(struct snd_pmac *chip);
173 void snd_pmac_detach_beep(struct snd_pmac *chip);
174 void snd_pmac_beep_stop(struct snd_pmac *chip);
175 unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate);
177 void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed);
178 void snd_pmac_beep_dma_stop(struct snd_pmac *chip);
180 #ifdef CONFIG_PM
181 void snd_pmac_suspend(struct snd_pmac *chip);
182 void snd_pmac_resume(struct snd_pmac *chip);
183 #endif
185 /* initialize mixer */
186 int snd_pmac_awacs_init(struct snd_pmac *chip);
187 int snd_pmac_burgundy_init(struct snd_pmac *chip);
188 int snd_pmac_daca_init(struct snd_pmac *chip);
189 int snd_pmac_tumbler_init(struct snd_pmac *chip);
190 int snd_pmac_tumbler_post_init(void);
192 /* i2c functions */
193 struct pmac_keywest {
194 int addr;
195 struct i2c_client *client;
196 int id;
197 int (*init_client)(struct pmac_keywest *i2c);
198 char *name;
201 int snd_pmac_keywest_init(struct pmac_keywest *i2c);
202 void snd_pmac_keywest_cleanup(struct pmac_keywest *i2c);
204 /* misc */
205 #define snd_pmac_boolean_stereo_info snd_ctl_boolean_stereo_info
206 #define snd_pmac_boolean_mono_info snd_ctl_boolean_mono_info
208 int snd_pmac_add_automute(struct snd_pmac *chip);
210 #endif /* __PMAC_H */