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