linux/sound/pci/vx222/vx222.h
Takashi Iwai f8ae2d2919 ALSA: vx: Constify snd_vx_hardware and snd_vx_ops definitions
Both snd_vx_hardware and snd_vx_ops are only referred without
modification, hence they can be constified gracefully for further
optimizations.

There should be no functional changes by this patch.

Link: https://lore.kernel.org/r/20200103081714.9560-31-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-01-03 09:24:20 +01:00

104 lines
3.6 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Driver for Digigram VX222 PCI soundcards
*
* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
*/
#ifndef __VX222_H
#define __VX222_H
#include <sound/vx_core.h>
struct snd_vx222 {
struct vx_core core;
/* h/w config; for PLX and for DSP */
struct pci_dev *pci;
unsigned long port[2];
unsigned int regCDSP; /* current CDSP register */
unsigned int regCFG; /* current CFG register */
unsigned int regSELMIC; /* current SELMIC reg. (for VX222 Mic) */
int input_level[2]; /* input level for vx222 mic */
int mic_level; /* mic level for vx222 mic */
};
#define to_vx222(x) container_of(x, struct snd_vx222, core)
/* we use a lookup table with 148 values, see vx_mixer.c */
#define VX2_AKM_LEVEL_MAX 0x93
extern const struct snd_vx_ops vx222_ops;
extern const struct snd_vx_ops vx222_old_ops;
/* Offset of registers with base equal to portDSP. */
#define VX_RESET_DMA_REGISTER_OFFSET 0x00000008
/* Constants used to access the INTCSR register. */
#define VX_INTCSR_VALUE 0x00000001
#define VX_PCI_INTERRUPT_MASK 0x00000040
/* Constants used to access the CDSP register (0x20). */
#define VX_CDSP_TEST1_MASK 0x00000080
#define VX_CDSP_TOR1_MASK 0x00000040
#define VX_CDSP_TOR2_MASK 0x00000020
#define VX_CDSP_RESERVED0_0_MASK 0x00000010
#define VX_CDSP_CODEC_RESET_MASK 0x00000008
#define VX_CDSP_VALID_IRQ_MASK 0x00000004
#define VX_CDSP_TEST0_MASK 0x00000002
#define VX_CDSP_DSP_RESET_MASK 0x00000001
#define VX_CDSP_GPIO_OUT_MASK 0x00000060
#define VX_GPIO_OUT_BIT_OFFSET 5 // transform output to bit 0 and 1
/* Constants used to access the CFG register (0x24). */
#define VX_CFG_SYNCDSP_MASK 0x00000080
#define VX_CFG_RESERVED0_0_MASK 0x00000040
#define VX_CFG_RESERVED1_0_MASK 0x00000020
#define VX_CFG_RESERVED2_0_MASK 0x00000010
#define VX_CFG_DATAIN_SEL_MASK 0x00000008 // 0 (ana), 1 (UER)
#define VX_CFG_RESERVED3_0_MASK 0x00000004
#define VX_CFG_RESERVED4_0_MASK 0x00000002
#define VX_CFG_CLOCKIN_SEL_MASK 0x00000001 // 0 (internal), 1 (AES/EBU)
/* Constants used to access the STATUS register (0x30). */
#define VX_STATUS_DATA_XICOR_MASK 0x00000080
#define VX_STATUS_VAL_TEST1_MASK 0x00000040
#define VX_STATUS_VAL_TEST0_MASK 0x00000020
#define VX_STATUS_RESERVED0_MASK 0x00000010
#define VX_STATUS_VAL_TOR1_MASK 0x00000008
#define VX_STATUS_VAL_TOR0_MASK 0x00000004
#define VX_STATUS_LEVEL_IN_MASK 0x00000002 // 6 dBu (0), 22 dBu (1)
#define VX_STATUS_MEMIRQ_MASK 0x00000001
#define VX_STATUS_GPIO_IN_MASK 0x0000000C
#define VX_GPIO_IN_BIT_OFFSET 0 // leave input as bit 2 and 3
/* Constants used to access the MICRO INPUT SELECT register (0x40). */
#define MICRO_SELECT_INPUT_NORM 0x00
#define MICRO_SELECT_INPUT_MUTE 0x01
#define MICRO_SELECT_INPUT_LIMIT 0x02
#define MICRO_SELECT_INPUT_MASK 0x03
#define MICRO_SELECT_PREAMPLI_G_0 0x00
#define MICRO_SELECT_PREAMPLI_G_1 0x04
#define MICRO_SELECT_PREAMPLI_G_2 0x08
#define MICRO_SELECT_PREAMPLI_G_3 0x0C
#define MICRO_SELECT_PREAMPLI_MASK 0x0C
#define MICRO_SELECT_PREAMPLI_OFFSET 2
#define MICRO_SELECT_RAISE_COMPR 0x10
#define MICRO_SELECT_NOISE_T_52DB 0x00
#define MICRO_SELECT_NOISE_T_42DB 0x20
#define MICRO_SELECT_NOISE_T_32DB 0x40
#define MICRO_SELECT_NOISE_T_MASK 0x60
#define MICRO_SELECT_PHANTOM_ALIM 0x80
#endif /* __VX222_H */