215 lines
5.1 KiB
C
215 lines
5.1 KiB
C
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/*
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* Driver for PowerMac onboard soundchips
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* Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>
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* based on dmasound.c.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __PMAC_H
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#define __PMAC_H
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#include <linux/version.h>
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#include <sound/control.h>
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#include <sound/pcm.h>
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#include "awacs.h"
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#include <linux/adb.h>
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#ifdef CONFIG_ADB_CUDA
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#include <linux/cuda.h>
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#endif
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#ifdef CONFIG_ADB_PMU
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#include <linux/pmu.h>
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#endif
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#include <linux/nvram.h>
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#include <linux/tty.h>
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#include <linux/vt_kern.h>
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#include <asm/dbdma.h>
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#include <asm/prom.h>
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#include <asm/machdep.h>
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/* maximum number of fragments */
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#define PMAC_MAX_FRAGS 32
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#define PMAC_SUPPORT_AUTOMUTE
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/*
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* typedefs
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*/
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typedef struct snd_pmac pmac_t;
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typedef struct snd_pmac_stream pmac_stream_t;
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typedef struct snd_pmac_beep pmac_beep_t;
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typedef struct snd_pmac_dbdma pmac_dbdma_t;
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/*
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* DBDMA space
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*/
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struct snd_pmac_dbdma {
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unsigned long addr;
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struct dbdma_cmd __iomem *cmds;
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void *space;
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int size;
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};
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/*
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* playback/capture stream
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*/
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struct snd_pmac_stream {
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int running; /* boolean */
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int stream; /* PLAYBACK/CAPTURE */
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int dma_size; /* in bytes */
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int period_size; /* in bytes */
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int buffer_size; /* in kbytes */
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int nperiods, cur_period;
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pmac_dbdma_t cmd;
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volatile struct dbdma_regs __iomem *dma;
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snd_pcm_substream_t *substream;
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unsigned int cur_freqs; /* currently available frequencies */
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unsigned int cur_formats; /* currently available formats */
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};
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/*
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*/
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enum snd_pmac_model {
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PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER, PMAC_SNAPPER
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};
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struct snd_pmac {
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snd_card_t *card;
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/* h/w info */
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struct device_node *node;
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unsigned int revision;
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unsigned int manufacturer;
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unsigned int subframe;
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unsigned int device_id;
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enum snd_pmac_model model;
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unsigned int has_iic : 1;
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unsigned int is_pbook_3400 : 1;
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unsigned int is_pbook_G3 : 1;
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unsigned int can_byte_swap : 1;
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unsigned int can_duplex : 1;
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unsigned int can_capture : 1;
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unsigned int auto_mute : 1;
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unsigned int initialized : 1;
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unsigned int feature_is_set : 1;
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unsigned int of_requested;
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int num_freqs;
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int *freq_table;
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unsigned int freqs_ok; /* bit flags */
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unsigned int formats_ok; /* pcm hwinfo */
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int active;
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int rate_index;
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int format; /* current format */
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spinlock_t reg_lock;
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volatile struct awacs_regs __iomem *awacs;
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int awacs_reg[8]; /* register cache */
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unsigned int hp_stat_mask;
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unsigned char __iomem *latch_base;
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unsigned char __iomem *macio_base;
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pmac_stream_t playback;
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pmac_stream_t capture;
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pmac_dbdma_t extra_dma;
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int irq, tx_irq, rx_irq;
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snd_pcm_t *pcm;
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pmac_beep_t *beep;
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unsigned int control_mask; /* control mask */
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/* mixer stuffs */
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void *mixer_data;
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void (*mixer_free)(pmac_t *);
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snd_kcontrol_t *master_sw_ctl;
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snd_kcontrol_t *speaker_sw_ctl;
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snd_kcontrol_t *drc_sw_ctl; /* only used for tumbler -ReneR */
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snd_kcontrol_t *hp_detect_ctl;
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/* lowlevel callbacks */
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void (*set_format)(pmac_t *chip);
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void (*update_automute)(pmac_t *chip, int do_notify);
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int (*detect_headphone)(pmac_t *chip);
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#ifdef CONFIG_PMAC_PBOOK
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void (*suspend)(pmac_t *chip);
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void (*resume)(pmac_t *chip);
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#endif
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};
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/* exported functions */
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int snd_pmac_new(snd_card_t *card, pmac_t **chip_return);
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int snd_pmac_pcm_new(pmac_t *chip);
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int snd_pmac_attach_beep(pmac_t *chip);
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void snd_pmac_detach_beep(pmac_t *chip);
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void snd_pmac_beep_stop(pmac_t *chip);
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unsigned int snd_pmac_rate_index(pmac_t *chip, pmac_stream_t *rec, unsigned int rate);
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void snd_pmac_beep_dma_start(pmac_t *chip, int bytes, unsigned long addr, int speed);
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void snd_pmac_beep_dma_stop(pmac_t *chip);
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/* initialize mixer */
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int snd_pmac_awacs_init(pmac_t *chip);
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int snd_pmac_burgundy_init(pmac_t *chip);
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int snd_pmac_daca_init(pmac_t *chip);
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int snd_pmac_tumbler_init(pmac_t *chip);
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int snd_pmac_tumbler_post_init(void);
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/* i2c functions */
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typedef struct snd_pmac_keywest {
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int addr;
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struct i2c_client *client;
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int id;
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int (*init_client)(struct snd_pmac_keywest *i2c);
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char *name;
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} pmac_keywest_t;
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int snd_pmac_keywest_init(pmac_keywest_t *i2c);
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void snd_pmac_keywest_cleanup(pmac_keywest_t *i2c);
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/* misc */
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int snd_pmac_boolean_stereo_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
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int snd_pmac_boolean_mono_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
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int snd_pmac_add_automute(pmac_t *chip);
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#define big_mdelay(msec) do {\
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set_current_state(TASK_UNINTERRUPTIBLE);\
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schedule_timeout(((msec) * HZ + 999) / 1000);\
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} while (0)
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#endif /* __PMAC_H */
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