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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/sound/pci/cs46xx/cs46xx_lib.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */

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/*

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 *  The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards

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 *  Copyright (c) by Jaroslav Kysela <[email protected]>

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 */

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#ifndef __CS46XX_LIB_H__

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#define __CS46XX_LIB_H__

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/*

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 *  constants

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 */

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#define CS46XX_BA0_SIZE		  0x1000

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#define CS46XX_BA1_DATA0_SIZE 0x3000

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#define CS46XX_BA1_DATA1_SIZE 0x3800

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#define CS46XX_BA1_PRG_SIZE	  0x7000

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#define CS46XX_BA1_REG_SIZE	  0x0100

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#ifdef CONFIG_SND_CS46XX_NEW_DSP

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#define CS46XX_MIN_PERIOD_SIZE 64

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#define CS46XX_MAX_PERIOD_SIZE 1024*1024

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#else

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#define CS46XX_MIN_PERIOD_SIZE 2048

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#define CS46XX_MAX_PERIOD_SIZE 2048

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#endif

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#define CS46XX_FRAGS 2

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/* #define CS46XX_BUFFER_SIZE CS46XX_MAX_PERIOD_SIZE * CS46XX_FRAGS */

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#define SCB_NO_PARENT             0

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#define SCB_ON_PARENT_NEXT_SCB    1

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#define SCB_ON_PARENT_SUBLIST_SCB 2

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/* 3*1024 parameter, 3.5*1024 sample, 2*3.5*1024 code */

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#define BA1_DWORD_SIZE		(13 * 1024 + 512)

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#define BA1_MEMORY_COUNT	3

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/*

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 *  common I/O routines

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 */

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static inline void snd_cs46xx_poke(struct snd_cs46xx *chip, unsigned long reg, unsigned int val)

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{

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	unsigned int bank = reg >> 16;

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	unsigned int offset = reg & 0xffff;

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	/*

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	if (bank == 0)

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		printk(KERN_DEBUG "snd_cs46xx_poke: %04X - %08X\n",

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		       reg >> 2,val);

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	*/

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	writel(val, chip->region.idx[bank+1].remap_addr + offset);

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}

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static inline unsigned int snd_cs46xx_peek(struct snd_cs46xx *chip, unsigned long reg)

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{

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	unsigned int bank = reg >> 16;

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	unsigned int offset = reg & 0xffff;

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	return readl(chip->region.idx[bank+1].remap_addr + offset);

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}

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static inline void snd_cs46xx_pokeBA0(struct snd_cs46xx *chip, unsigned long offset, unsigned int val)

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{

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	writel(val, chip->region.name.ba0.remap_addr + offset);

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}

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static inline unsigned int snd_cs46xx_peekBA0(struct snd_cs46xx *chip, unsigned long offset)

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{

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	return readl(chip->region.name.ba0.remap_addr + offset);

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}

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struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip);

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void cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip);

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int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module);

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#ifdef CONFIG_PM_SLEEP

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int cs46xx_dsp_resume(struct snd_cs46xx * chip);

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#endif

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struct dsp_symbol_entry *cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name,

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						   int symbol_type);

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#ifdef CONFIG_SND_PROC_FS

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int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip);

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int cs46xx_dsp_proc_done (struct snd_cs46xx *chip);

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#else

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#define cs46xx_dsp_proc_init(card, chip)

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#define cs46xx_dsp_proc_done(chip)

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#endif

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int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip);

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int snd_cs46xx_download (struct snd_cs46xx *chip, u32 *src, unsigned long offset,

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			 unsigned long len);

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int snd_cs46xx_clear_BA1(struct snd_cs46xx *chip, unsigned long offset, unsigned long len);

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int cs46xx_dsp_enable_spdif_out (struct snd_cs46xx *chip);

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int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip);

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int cs46xx_dsp_disable_spdif_out (struct snd_cs46xx *chip);

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int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip);

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int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip);

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int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip);

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int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip);

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int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip);

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int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip);

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int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data);

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struct dsp_scb_descriptor * cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name,

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						   u32 * scb_data, u32 dest);

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#ifdef CONFIG_SND_PROC_FS

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void cs46xx_dsp_proc_free_scb_desc (struct dsp_scb_descriptor * scb);

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void cs46xx_dsp_proc_register_scb_desc (struct snd_cs46xx *chip,

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					struct dsp_scb_descriptor * scb);

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#else

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#define cs46xx_dsp_proc_free_scb_desc(scb)

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#define cs46xx_dsp_proc_register_scb_desc(chip, scb)

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#endif

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struct dsp_scb_descriptor * cs46xx_dsp_create_timing_master_scb (struct snd_cs46xx *chip);

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struct dsp_scb_descriptor *

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cs46xx_dsp_create_codec_out_scb(struct snd_cs46xx * chip,

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				char * codec_name, u16 channel_disp, u16 fifo_addr,

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				u16 child_scb_addr, u32 dest,

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				struct dsp_scb_descriptor * parent_scb,

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				int scb_child_type);

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struct dsp_scb_descriptor *

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cs46xx_dsp_create_codec_in_scb(struct snd_cs46xx * chip, char * codec_name,

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			       u16 channel_disp, u16 fifo_addr,

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			       u16 sample_buffer_addr, u32 dest,

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			       struct dsp_scb_descriptor * parent_scb,

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			       int scb_child_type);

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void cs46xx_dsp_remove_scb (struct snd_cs46xx *chip,

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			    struct dsp_scb_descriptor * scb);

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struct dsp_scb_descriptor *

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cs46xx_dsp_create_codec_in_scb(struct snd_cs46xx * chip, char * codec_name,

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			       u16 channel_disp, u16 fifo_addr,

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			       u16 sample_buffer_addr, u32 dest,

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			       struct dsp_scb_descriptor * parent_scb,

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			       int scb_child_type);

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struct dsp_scb_descriptor *

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cs46xx_dsp_create_src_task_scb(struct snd_cs46xx * chip, char * scb_name,

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			       int sample_rate, u16 src_buffer_addr,

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			       u16 src_delay_buffer_addr, u32 dest,

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			       struct dsp_scb_descriptor * parent_scb,

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			       int scb_child_type, int pass_through);

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struct dsp_scb_descriptor *

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cs46xx_dsp_create_mix_only_scb(struct snd_cs46xx * chip, char * scb_name,

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			       u16 mix_buffer_addr, u32 dest,

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			       struct dsp_scb_descriptor * parent_scb,

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			       int scb_child_type);

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struct dsp_scb_descriptor *

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cs46xx_dsp_create_vari_decimate_scb(struct snd_cs46xx * chip, char * scb_name,

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				    u16 vari_buffer_addr0, u16 vari_buffer_addr1, u32 dest,

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				    struct dsp_scb_descriptor * parent_scb,

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				    int scb_child_type);

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struct dsp_scb_descriptor *

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cs46xx_dsp_create_asynch_fg_rx_scb(struct snd_cs46xx * chip, char * scb_name,

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				   u32 dest, u16 hfg_scb_address, u16 asynch_buffer_address,

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				   struct dsp_scb_descriptor * parent_scb,

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				   int scb_child_type);

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struct dsp_scb_descriptor *

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cs46xx_dsp_create_spio_write_scb(struct snd_cs46xx * chip, char * scb_name, u32 dest,

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				 struct dsp_scb_descriptor * parent_scb,

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				 int scb_child_type);

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struct dsp_scb_descriptor *

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cs46xx_dsp_create_mix_to_ostream_scb(struct snd_cs46xx * chip, char * scb_name,

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				     u16 mix_buffer_addr, u16 writeback_spb, u32 dest,

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				     struct dsp_scb_descriptor * parent_scb,

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				     int scb_child_type);

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struct dsp_scb_descriptor *

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cs46xx_dsp_create_magic_snoop_scb(struct snd_cs46xx * chip, char * scb_name,

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				  u32 dest, u16 snoop_buffer_address,

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				  struct dsp_scb_descriptor * snoop_scb,

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				  struct dsp_scb_descriptor * parent_scb,

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				  int scb_child_type);

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struct dsp_pcm_channel_descriptor *

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cs46xx_dsp_create_pcm_channel (struct snd_cs46xx * chip, u32 sample_rate,

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			       void * private_data, u32 hw_dma_addr,

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			       int pcm_channel_id);

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void cs46xx_dsp_destroy_pcm_channel (struct snd_cs46xx * chip,

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				     struct dsp_pcm_channel_descriptor * pcm_channel);

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int cs46xx_dsp_pcm_unlink (struct snd_cs46xx * chip,

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			   struct dsp_pcm_channel_descriptor * pcm_channel);

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int cs46xx_dsp_pcm_link (struct snd_cs46xx * chip,

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			 struct dsp_pcm_channel_descriptor * pcm_channel);

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struct dsp_scb_descriptor *

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cs46xx_add_record_source (struct snd_cs46xx *chip, struct dsp_scb_descriptor * source,

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			  u16 addr, char * scb_name);

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int cs46xx_src_unlink(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src);

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int cs46xx_src_link(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src);

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int cs46xx_iec958_pre_open (struct snd_cs46xx *chip);

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int cs46xx_iec958_post_close (struct snd_cs46xx *chip);

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int cs46xx_dsp_pcm_channel_set_period (struct snd_cs46xx * chip,

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				       struct dsp_pcm_channel_descriptor * pcm_channel,

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				       int period_size);

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int cs46xx_dsp_pcm_ostream_set_period (struct snd_cs46xx * chip, int period_size);

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int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right);

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int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right);

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#endif /* __CS46XX_LIB_H__ */

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