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1da177e4 LT |
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 <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 | */ | |
53 | typedef struct snd_pmac pmac_t; | |
54 | typedef struct snd_pmac_stream pmac_stream_t; | |
55 | typedef struct snd_pmac_beep pmac_beep_t; | |
56 | typedef struct snd_pmac_dbdma pmac_dbdma_t; | |
57 | ||
58 | ||
59 | /* | |
60 | * DBDMA space | |
61 | */ | |
62 | struct snd_pmac_dbdma { | |
63 | unsigned long addr; | |
64 | struct dbdma_cmd __iomem *cmds; | |
65 | void *space; | |
66 | int size; | |
67 | }; | |
68 | ||
69 | /* | |
70 | * playback/capture stream | |
71 | */ | |
72 | struct snd_pmac_stream { | |
73 | int running; /* boolean */ | |
74 | ||
75 | int stream; /* PLAYBACK/CAPTURE */ | |
76 | ||
77 | int dma_size; /* in bytes */ | |
78 | int period_size; /* in bytes */ | |
79 | int buffer_size; /* in kbytes */ | |
80 | int nperiods, cur_period; | |
81 | ||
82 | pmac_dbdma_t cmd; | |
83 | volatile struct dbdma_regs __iomem *dma; | |
84 | ||
85 | snd_pcm_substream_t *substream; | |
86 | ||
87 | unsigned int cur_freqs; /* currently available frequencies */ | |
88 | unsigned int cur_formats; /* currently available formats */ | |
89 | }; | |
90 | ||
91 | ||
92 | /* | |
93 | */ | |
94 | ||
95 | enum snd_pmac_model { | |
96 | PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER, PMAC_SNAPPER | |
97 | }; | |
98 | ||
99 | struct snd_pmac { | |
100 | snd_card_t *card; | |
101 | ||
102 | /* h/w info */ | |
103 | struct device_node *node; | |
104 | unsigned int revision; | |
105 | unsigned int manufacturer; | |
106 | unsigned int subframe; | |
107 | unsigned int device_id; | |
108 | enum snd_pmac_model model; | |
109 | ||
110 | unsigned int has_iic : 1; | |
111 | unsigned int is_pbook_3400 : 1; | |
112 | unsigned int is_pbook_G3 : 1; | |
113 | ||
114 | unsigned int can_byte_swap : 1; | |
115 | unsigned int can_duplex : 1; | |
116 | unsigned int can_capture : 1; | |
117 | ||
118 | unsigned int auto_mute : 1; | |
119 | unsigned int initialized : 1; | |
120 | unsigned int feature_is_set : 1; | |
121 | ||
122 | unsigned int of_requested; | |
123 | ||
124 | int num_freqs; | |
125 | int *freq_table; | |
126 | unsigned int freqs_ok; /* bit flags */ | |
127 | unsigned int formats_ok; /* pcm hwinfo */ | |
128 | int active; | |
129 | int rate_index; | |
130 | int format; /* current format */ | |
131 | ||
132 | spinlock_t reg_lock; | |
133 | volatile struct awacs_regs __iomem *awacs; | |
134 | int awacs_reg[8]; /* register cache */ | |
135 | unsigned int hp_stat_mask; | |
136 | ||
137 | unsigned char __iomem *latch_base; | |
138 | unsigned char __iomem *macio_base; | |
139 | ||
140 | pmac_stream_t playback; | |
141 | pmac_stream_t capture; | |
142 | ||
143 | pmac_dbdma_t extra_dma; | |
144 | ||
145 | int irq, tx_irq, rx_irq; | |
146 | ||
147 | snd_pcm_t *pcm; | |
148 | ||
149 | pmac_beep_t *beep; | |
150 | ||
151 | unsigned int control_mask; /* control mask */ | |
152 | ||
153 | /* mixer stuffs */ | |
154 | void *mixer_data; | |
155 | void (*mixer_free)(pmac_t *); | |
156 | snd_kcontrol_t *master_sw_ctl; | |
157 | snd_kcontrol_t *speaker_sw_ctl; | |
158 | snd_kcontrol_t *drc_sw_ctl; /* only used for tumbler -ReneR */ | |
159 | snd_kcontrol_t *hp_detect_ctl; | |
160 | ||
161 | /* lowlevel callbacks */ | |
162 | void (*set_format)(pmac_t *chip); | |
163 | void (*update_automute)(pmac_t *chip, int do_notify); | |
164 | int (*detect_headphone)(pmac_t *chip); | |
165 | #ifdef CONFIG_PMAC_PBOOK | |
166 | void (*suspend)(pmac_t *chip); | |
167 | void (*resume)(pmac_t *chip); | |
168 | #endif | |
169 | ||
170 | }; | |
171 | ||
172 | ||
173 | /* exported functions */ | |
174 | int snd_pmac_new(snd_card_t *card, pmac_t **chip_return); | |
175 | int snd_pmac_pcm_new(pmac_t *chip); | |
176 | int snd_pmac_attach_beep(pmac_t *chip); | |
177 | void snd_pmac_detach_beep(pmac_t *chip); | |
178 | void snd_pmac_beep_stop(pmac_t *chip); | |
179 | unsigned int snd_pmac_rate_index(pmac_t *chip, pmac_stream_t *rec, unsigned int rate); | |
180 | ||
181 | void snd_pmac_beep_dma_start(pmac_t *chip, int bytes, unsigned long addr, int speed); | |
182 | void snd_pmac_beep_dma_stop(pmac_t *chip); | |
183 | ||
184 | /* initialize mixer */ | |
185 | int snd_pmac_awacs_init(pmac_t *chip); | |
186 | int snd_pmac_burgundy_init(pmac_t *chip); | |
187 | int snd_pmac_daca_init(pmac_t *chip); | |
188 | int snd_pmac_tumbler_init(pmac_t *chip); | |
189 | int snd_pmac_tumbler_post_init(void); | |
190 | ||
191 | /* i2c functions */ | |
192 | typedef struct snd_pmac_keywest { | |
193 | int addr; | |
194 | struct i2c_client *client; | |
195 | int id; | |
196 | int (*init_client)(struct snd_pmac_keywest *i2c); | |
197 | char *name; | |
198 | } pmac_keywest_t; | |
199 | ||
200 | int snd_pmac_keywest_init(pmac_keywest_t *i2c); | |
201 | void snd_pmac_keywest_cleanup(pmac_keywest_t *i2c); | |
202 | ||
203 | /* misc */ | |
204 | int snd_pmac_boolean_stereo_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo); | |
205 | int snd_pmac_boolean_mono_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo); | |
206 | ||
207 | int snd_pmac_add_automute(pmac_t *chip); | |
208 | ||
209 | #define big_mdelay(msec) do {\ | |
210 | set_current_state(TASK_UNINTERRUPTIBLE);\ | |
211 | schedule_timeout(((msec) * HZ + 999) / 1000);\ | |
212 | } while (0) | |
213 | ||
214 | #endif /* __PMAC_H */ |