Root/sound/ppc/pmac.h

1/*
2 * Driver for PowerMac onboard soundchips
3 * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>
4 * based on dmasound.c.
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
22#ifndef __PMAC_H
23#define __PMAC_H
24
25#include <sound/control.h>
26#include <sound/pcm.h>
27#include "awacs.h"
28
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>
42
43/* maximum number of fragments */
44#define PMAC_MAX_FRAGS 32
45
46
47#define PMAC_SUPPORT_AUTOMUTE
48
49/*
50 * DBDMA space
51 */
52struct 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;
58};
59
60/*
61 * playback/capture stream
62 */
63struct pmac_stream {
64    int running; /* boolean */
65
66    int stream; /* PLAYBACK/CAPTURE */
67
68    int dma_size; /* in bytes */
69    int period_size; /* in bytes */
70    int buffer_size; /* in kbytes */
71    int nperiods, cur_period;
72
73    struct pmac_dbdma cmd;
74    volatile struct dbdma_regs __iomem *dma;
75
76    struct snd_pcm_substream *substream;
77
78    unsigned int cur_freqs; /* currently available frequencies */
79    unsigned int cur_formats; /* currently available formats */
80};
81
82
83/*
84 */
85
86enum snd_pmac_model {
87    PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER,
88    PMAC_SNAPPER
89};
90
91struct snd_pmac {
92    struct snd_card *card;
93
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;
102
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;
107
108    unsigned int can_byte_swap : 1;
109    unsigned int can_duplex : 1;
110    unsigned int can_capture : 1;
111
112    unsigned int auto_mute : 1;
113    unsigned int initialized : 1;
114    unsigned int feature_is_set : 1;
115
116    unsigned int requested;
117    struct resource rsrc[3];
118
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 */
126
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;
131
132    unsigned char __iomem *latch_base;
133    unsigned char __iomem *macio_base;
134
135    struct pmac_stream playback;
136    struct pmac_stream capture;
137
138    struct pmac_dbdma extra_dma;
139
140    int irq, tx_irq, rx_irq;
141
142    struct snd_pcm *pcm;
143
144    struct pmac_beep *beep;
145
146    unsigned int control_mask; /* control mask */
147
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;
156
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
165
166};
167
168
169/* exported functions */
170int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return);
171int snd_pmac_pcm_new(struct snd_pmac *chip);
172int snd_pmac_attach_beep(struct snd_pmac *chip);
173void snd_pmac_detach_beep(struct snd_pmac *chip);
174void snd_pmac_beep_stop(struct snd_pmac *chip);
175unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate);
176
177void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed);
178void snd_pmac_beep_dma_stop(struct snd_pmac *chip);
179
180#ifdef CONFIG_PM
181void snd_pmac_suspend(struct snd_pmac *chip);
182void snd_pmac_resume(struct snd_pmac *chip);
183#endif
184
185/* initialize mixer */
186int snd_pmac_awacs_init(struct snd_pmac *chip);
187int snd_pmac_burgundy_init(struct snd_pmac *chip);
188int snd_pmac_daca_init(struct snd_pmac *chip);
189int snd_pmac_tumbler_init(struct snd_pmac *chip);
190int snd_pmac_tumbler_post_init(void);
191
192/* i2c functions */
193struct pmac_keywest {
194    int addr;
195    struct i2c_client *client;
196    int id;
197    int (*init_client)(struct pmac_keywest *i2c);
198    char *name;
199};
200
201int snd_pmac_keywest_init(struct pmac_keywest *i2c);
202void snd_pmac_keywest_cleanup(struct pmac_keywest *i2c);
203
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
207
208int snd_pmac_add_automute(struct snd_pmac *chip);
209
210#endif /* __PMAC_H */
211

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