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197 lines
4.5 KiB
197 lines
4.5 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Driver for PowerMac onboard soundchips |
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* Copyright (c) 2001 by Takashi Iwai <[email protected]> |
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* based on dmasound.c. |
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*/ |
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#ifndef __PMAC_H |
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#define __PMAC_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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* DBDMA space |
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*/ |
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struct pmac_dbdma { |
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dma_addr_t dma_base; |
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dma_addr_t 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 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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struct pmac_dbdma cmd; |
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volatile struct dbdma_regs __iomem *dma; |
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struct snd_pcm_substream *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, |
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PMAC_SNAPPER |
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}; |
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struct snd_pmac { |
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struct snd_card *card; |
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/* h/w info */ |
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struct device_node *node; |
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struct pci_dev *pdev; |
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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 is_k2 : 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 requested; |
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struct resource rsrc[3]; |
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int num_freqs; |
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const 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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struct pmac_stream playback; |
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struct pmac_stream capture; |
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struct pmac_dbdma extra_dma; |
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int irq, tx_irq, rx_irq; |
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struct snd_pcm *pcm; |
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struct pmac_beep *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)(struct snd_pmac *); |
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struct snd_kcontrol *master_sw_ctl; |
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struct snd_kcontrol *speaker_sw_ctl; |
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struct snd_kcontrol *drc_sw_ctl; /* only used for tumbler -ReneR */ |
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struct snd_kcontrol *hp_detect_ctl; |
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struct snd_kcontrol *lineout_sw_ctl; |
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/* lowlevel callbacks */ |
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void (*set_format)(struct snd_pmac *chip); |
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void (*update_automute)(struct snd_pmac *chip, int do_notify); |
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int (*detect_headphone)(struct snd_pmac *chip); |
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#ifdef CONFIG_PM |
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void (*suspend)(struct snd_pmac *chip); |
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void (*resume)(struct snd_pmac *chip); |
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#endif |
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}; |
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/* exported functions */ |
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int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return); |
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int snd_pmac_pcm_new(struct snd_pmac *chip); |
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int snd_pmac_attach_beep(struct snd_pmac *chip); |
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void snd_pmac_detach_beep(struct snd_pmac *chip); |
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void snd_pmac_beep_stop(struct snd_pmac *chip); |
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unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate); |
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void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed); |
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void snd_pmac_beep_dma_stop(struct snd_pmac *chip); |
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#ifdef CONFIG_PM |
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void snd_pmac_suspend(struct snd_pmac *chip); |
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void snd_pmac_resume(struct snd_pmac *chip); |
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#endif |
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/* initialize mixer */ |
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int snd_pmac_awacs_init(struct snd_pmac *chip); |
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int snd_pmac_burgundy_init(struct snd_pmac *chip); |
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int snd_pmac_daca_init(struct snd_pmac *chip); |
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int snd_pmac_tumbler_init(struct snd_pmac *chip); |
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int snd_pmac_tumbler_post_init(void); |
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/* i2c functions */ |
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struct 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 pmac_keywest *i2c); |
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char *name; |
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}; |
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int snd_pmac_keywest_init(struct pmac_keywest *i2c); |
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void snd_pmac_keywest_cleanup(struct pmac_keywest *i2c); |
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/* misc */ |
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#define snd_pmac_boolean_stereo_info snd_ctl_boolean_stereo_info |
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#define snd_pmac_boolean_mono_info snd_ctl_boolean_mono_info |
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int snd_pmac_add_automute(struct snd_pmac *chip); |
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#endif /* __PMAC_H */
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