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Linux/sound/ppc/pmac.h

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  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  */
 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;
 58 };
 59 
 60 /*
 61  * playback/capture stream
 62  */
 63 struct 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 
 86 enum snd_pmac_model {
 87         PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER,
 88         PMAC_SNAPPER
 89 };
 90 
 91 struct 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 */
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);
176 
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);
179 
180 #ifdef CONFIG_PM
181 void snd_pmac_suspend(struct snd_pmac *chip);
182 void snd_pmac_resume(struct snd_pmac *chip);
183 #endif
184 
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);
191 
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;
199 };
200 
201 int snd_pmac_keywest_init(struct pmac_keywest *i2c);
202 void 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 
208 int snd_pmac_add_automute(struct snd_pmac *chip);
209 
210 #endif /* __PMAC_H */
211 

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