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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Support for Digigram AlpX PCI-e boards
*
* Copyright (c) 2024 Digigram Digital (info@digigram.com)
*/
#ifndef _ALPX_CONTROLS_H
#define _ALPX_CONTROLS_H
#include "alpx.h"
#include "alpx_axcmem.h"
enum alpx_control_type {
ALPX_CONTROL_TYPE_AMPLIFIER = 0, /* Amplification stage*/
ALPX_CONTROL_TYPE_ANALOG_EQ, /* Analog CODEC stage*/
ALPX_CONTROL_TYPE_ROUTER, /* Router stage*/
ALPX_CONTROL_TYPE_MIXER, /* Mixer stage*/
ALPX_CONTROL_TYPE_CHOICE, /* misc controls */
ALPX_CONTROL_TYPE_FLAG, /* boolean controls */
ALPX_CONTROL_TYPE_FLAGS_EMBEDDED, /* Boolean controls embedded with others in the same register*/
ALPX_CONTROL_TYPE_GAINS_EMBEDDED, /* Amplifier controls embedded with others in the same register*/
ALPX_CONTROL_RESERVED, /* RESERVED Control, used to keep NumId if some controls are removed */
ALPX_CONTROL_TYPE_CONSTANT, /* CONSTANT Control, used for a mere constant value */
ALPX_CONTROL_TYPE_AXCMEM_REL_CHOICE, /*AXCM Relativ position Control*/
ALPX_CONTROL_TYPE_AXCMEM_REL_VALUE, /*AXCM Relativ position Control*/
ALPX_CONTROL_TYPE_TRANSLATED_CHOICE, /* Enumerated controls with translation tables for compatibility issue between Apps and FW */
};
struct alpx_control_descriptor_amplifier {
const unsigned int* gains_scale; /* Amplifier gains scale for application id cdB (snd_kcontrol_tlv_rw_t*) */
unsigned int reg_gain_min; /* min value for the register value*/
unsigned int reg_gain_max; /* max value for the register value*/
unsigned int lines_count; /* lines of this amplifier */
};
struct alpx_control_descriptor_codec {
u32 offset; /* Offset of the associated register */
const unsigned int* gains_scale; /* Amplifier gains scale for application id cdB (snd_kcontrol_tlv_rw_t*) */
unsigned int reg_gain_min; /* min value for the register value*/
unsigned int reg_gain_max; /* max value for the register value*/
unsigned int lines_count;
};
struct alpx_control_descriptor_router {
unsigned int lines_count;
const char **entries;
unsigned int entries_count;
};
struct alpx_control_descriptor_mixer {
const unsigned int* gains_scale; /* Amplifier gains scale for application id cdB (snd_kcontrol_tlv_rw_t*) */
unsigned int reg_gain_min; /* min value for the register value*/
unsigned int reg_gain_max; /* max value for the register value*/
unsigned int lines_count;
};
struct alpx_control_descriptor_choice {
u32 offset;
u32 mask;
u32 pos; /* start bit position in the register */
const char **entries;
u32 *entries_values;
unsigned int entries_count;
};
struct alpx_control_descriptor_translated_choice {
u32 offset;
u32 mask;
u32 pos; /* start bit position in the register */
const char **entries;
u32 *entries_values; /*Entries in card's context */
unsigned int entries_count;
u32* card_entries_values; /*Entries in register's context */
unsigned int card_entries_count;
};
struct alpx_control_descriptor_flag {
u32 offset;
u32 mask;
u32 pos;
};
struct alpx_control_descriptor_flags_embedded {
u32 offset;
u32 mask;
u32 pos;
unsigned int lines_count;
};
/* To be used when the amplifier controls are mixed with others in the same register*/
struct alpx_control_descriptor_gains_embedded {
const unsigned int* gains_scale; /* Amplifier gains scale for application id cdB (snd_kcontrol_tlv_rw_t*)*/
unsigned int min ;
unsigned int max;
unsigned int lines_count ;
unsigned int offset;
unsigned int mask;
unsigned int pos;
unsigned int width;
};
struct alpx_control_descriptor_constant {
u32 value;
};
struct alpx_control_descriptor_axcmem_rel_choice {
struct alpx_axcmem_loc base_loc;
struct alpx_axcmem_loc reg_loc;
u32 mask;
u32 pos;
uint32_t (*getter) (void* addr);
void (*setter) (void* addr, uint32_t value);
const char** entries;
u32* entries_values;
unsigned int entries_count;
};
struct alpx_control_descriptor_axcmem_rel_value {
struct alpx_axcmem_loc base_loc;
struct alpx_axcmem_loc reg_loc;
u32 mask;
u32 pos;
u32 min;
u32 max;
uint32_t (*getter) (void* addr);
void (*setter) (void* addr, uint32_t value);
};
/*****************************************************/
struct alpx_control_descriptor {
enum alpx_control_type type;
u32 base;
const char *prefix;
unsigned int access; /*Control access in ALSA way (se https://www.kernel.org/doc/html/v4.17/sound/kernel-api/writing-an-alsa-driver.html?highlight=sndrv_ctl_elem_access_readwrite#access-flags)*/
union {
struct alpx_control_descriptor_amplifier ampli;
struct alpx_control_descriptor_codec codec;
struct alpx_control_descriptor_router router;
struct alpx_control_descriptor_mixer mixer;
struct alpx_control_descriptor_choice choice;
struct alpx_control_descriptor_flag flag;
struct alpx_control_descriptor_flags_embedded mic_flags;
struct alpx_control_descriptor_gains_embedded mic_gains;
struct alpx_control_descriptor_constant constant;
struct alpx_control_descriptor_axcmem_rel_choice axcmem_rel_choice;
struct alpx_control_descriptor_axcmem_rel_value axcmem_rel_value;
struct alpx_control_descriptor_translated_choice translated_choice;
} data;
};
struct alpx_control_amplifier {
unsigned int gain;
unsigned int idx;
};
struct alpx_control_router {
unsigned int index;
};
struct alpx_control_mixer {
unsigned int mixer_in;
unsigned int mixer_out;
};
struct alpx_control_codec{
unsigned int idx;
};
struct alpx_control_mic {
unsigned int stored_gain_in_reg;
};
struct alpx_control {
struct alpx_control_descriptor *descriptor;
union {
struct alpx_control_amplifier ampli;
struct alpx_control_router router;
struct alpx_control_mixer mixer;
struct alpx_control_codec codec;
struct alpx_control_mic mic;
} data;
};
int alpx_controls_register(struct snd_card *card);
int alp222_mic_controls_default_config(struct alpx_device * alpx_dev);
#endif
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