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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 <linux/version.h>
26#include <sound/control.h>
27#include <sound/pcm.h>
28#include "awacs.h"
29
30#include <linux/adb.h>
31#ifdef CONFIG_ADB_CUDA
32#include <linux/cuda.h>
33#endif
34#ifdef CONFIG_ADB_PMU
35#include <linux/pmu.h>
36#endif
37#include <linux/nvram.h>
38#include <linux/tty.h>
39#include <linux/vt_kern.h>
40#include <asm/dbdma.h>
41#include <asm/prom.h>
42#include <asm/machdep.h>
43
44/* maximum number of fragments */
45#define PMAC_MAX_FRAGS 32
46
47
48#define PMAC_SUPPORT_AUTOMUTE
49
50/*
51 * typedefs
52 */
53typedef struct snd_pmac pmac_t;
54typedef struct snd_pmac_stream pmac_stream_t;
55typedef struct snd_pmac_beep pmac_beep_t;
56typedef struct snd_pmac_dbdma pmac_dbdma_t;
57
58
59/*
60 * DBDMA space
61 */
62struct snd_pmac_dbdma {
Benjamin Herrenschmidt7bbd8272005-04-16 15:24:32 -070063 dma_addr_t dma_base;
64 dma_addr_t addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -070065 struct dbdma_cmd __iomem *cmds;
66 void *space;
67 int size;
68};
69
70/*
71 * playback/capture stream
72 */
73struct snd_pmac_stream {
74 int running; /* boolean */
75
76 int stream; /* PLAYBACK/CAPTURE */
77
78 int dma_size; /* in bytes */
79 int period_size; /* in bytes */
80 int buffer_size; /* in kbytes */
81 int nperiods, cur_period;
82
83 pmac_dbdma_t cmd;
84 volatile struct dbdma_regs __iomem *dma;
85
86 snd_pcm_substream_t *substream;
87
88 unsigned int cur_freqs; /* currently available frequencies */
89 unsigned int cur_formats; /* currently available formats */
90};
91
92
93/*
94 */
95
96enum snd_pmac_model {
Benjamin Herrenschmidt1f7b49d2005-05-01 08:58:43 -070097 PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER,
98 PMAC_SNAPPER, PMAC_TOONIE
Linus Torvalds1da177e2005-04-16 15:20:36 -070099};
100
101struct snd_pmac {
102 snd_card_t *card;
103
104 /* h/w info */
105 struct device_node *node;
Benjamin Herrenschmidt7bbd8272005-04-16 15:24:32 -0700106 struct pci_dev *pdev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107 unsigned int revision;
108 unsigned int manufacturer;
109 unsigned int subframe;
110 unsigned int device_id;
111 enum snd_pmac_model model;
112
113 unsigned int has_iic : 1;
114 unsigned int is_pbook_3400 : 1;
115 unsigned int is_pbook_G3 : 1;
Benjamin Herrenschmidt7bbd8272005-04-16 15:24:32 -0700116 unsigned int is_k2 : 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117
118 unsigned int can_byte_swap : 1;
119 unsigned int can_duplex : 1;
120 unsigned int can_capture : 1;
121
122 unsigned int auto_mute : 1;
123 unsigned int initialized : 1;
124 unsigned int feature_is_set : 1;
125
126 unsigned int of_requested;
127
128 int num_freqs;
129 int *freq_table;
130 unsigned int freqs_ok; /* bit flags */
131 unsigned int formats_ok; /* pcm hwinfo */
132 int active;
133 int rate_index;
134 int format; /* current format */
135
136 spinlock_t reg_lock;
137 volatile struct awacs_regs __iomem *awacs;
138 int awacs_reg[8]; /* register cache */
139 unsigned int hp_stat_mask;
140
141 unsigned char __iomem *latch_base;
142 unsigned char __iomem *macio_base;
143
144 pmac_stream_t playback;
145 pmac_stream_t capture;
146
147 pmac_dbdma_t extra_dma;
148
149 int irq, tx_irq, rx_irq;
150
151 snd_pcm_t *pcm;
152
153 pmac_beep_t *beep;
154
155 unsigned int control_mask; /* control mask */
156
157 /* mixer stuffs */
158 void *mixer_data;
159 void (*mixer_free)(pmac_t *);
160 snd_kcontrol_t *master_sw_ctl;
161 snd_kcontrol_t *speaker_sw_ctl;
162 snd_kcontrol_t *drc_sw_ctl; /* only used for tumbler -ReneR */
163 snd_kcontrol_t *hp_detect_ctl;
Benjamin Herrenschmidt7bbd8272005-04-16 15:24:32 -0700164 snd_kcontrol_t *lineout_sw_ctl;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165
166 /* lowlevel callbacks */
167 void (*set_format)(pmac_t *chip);
168 void (*update_automute)(pmac_t *chip, int do_notify);
169 int (*detect_headphone)(pmac_t *chip);
170#ifdef CONFIG_PMAC_PBOOK
171 void (*suspend)(pmac_t *chip);
172 void (*resume)(pmac_t *chip);
173#endif
174
175};
176
177
178/* exported functions */
179int snd_pmac_new(snd_card_t *card, pmac_t **chip_return);
180int snd_pmac_pcm_new(pmac_t *chip);
181int snd_pmac_attach_beep(pmac_t *chip);
182void snd_pmac_detach_beep(pmac_t *chip);
183void snd_pmac_beep_stop(pmac_t *chip);
184unsigned int snd_pmac_rate_index(pmac_t *chip, pmac_stream_t *rec, unsigned int rate);
185
186void snd_pmac_beep_dma_start(pmac_t *chip, int bytes, unsigned long addr, int speed);
187void snd_pmac_beep_dma_stop(pmac_t *chip);
188
189/* initialize mixer */
190int snd_pmac_awacs_init(pmac_t *chip);
191int snd_pmac_burgundy_init(pmac_t *chip);
192int snd_pmac_daca_init(pmac_t *chip);
193int snd_pmac_tumbler_init(pmac_t *chip);
194int snd_pmac_tumbler_post_init(void);
Benjamin Herrenschmidt1f7b49d2005-05-01 08:58:43 -0700195int snd_pmac_toonie_init(pmac_t *chip);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700196
197/* i2c functions */
198typedef struct snd_pmac_keywest {
199 int addr;
200 struct i2c_client *client;
201 int id;
202 int (*init_client)(struct snd_pmac_keywest *i2c);
203 char *name;
204} pmac_keywest_t;
205
206int snd_pmac_keywest_init(pmac_keywest_t *i2c);
207void snd_pmac_keywest_cleanup(pmac_keywest_t *i2c);
208
209/* misc */
210int snd_pmac_boolean_stereo_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
211int snd_pmac_boolean_mono_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
212
213int snd_pmac_add_automute(pmac_t *chip);
214
215#define big_mdelay(msec) do {\
216 set_current_state(TASK_UNINTERRUPTIBLE);\
217 schedule_timeout(((msec) * HZ + 999) / 1000);\
218} while (0)
219
220#endif /* __PMAC_H */