linux-stable/sound/pci/aw2/aw2-tsl.c
Takashi Iwai 26170691ff ALSA: aw2: More constifications
Apply const prefix to the static parameter tables.

Just for minor optimization and no functional changes.

Link: https://lore.kernel.org/r/20200105144823.29547-55-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-01-05 16:15:06 +01:00

97 lines
3.4 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*****************************************************************************
*
* Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and
* Jean-Christian Hassler <jhassler@free.fr>
* Copyright 1998 Emagic Soft- und Hardware GmbH
* Copyright 2002 Martijn Sipkema
*
* This file is part of the Audiowerk2 ALSA driver
*
*****************************************************************************/
#define TSL_WS0 (1UL << 31)
#define TSL_WS1 (1UL << 30)
#define TSL_WS2 (1UL << 29)
#define TSL_WS3 (1UL << 28)
#define TSL_WS4 (1UL << 27)
#define TSL_DIS_A1 (1UL << 24)
#define TSL_SDW_A1 (1UL << 23)
#define TSL_SIB_A1 (1UL << 22)
#define TSL_SF_A1 (1UL << 21)
#define TSL_LF_A1 (1UL << 20)
#define TSL_BSEL_A1 (1UL << 17)
#define TSL_DOD_A1 (1UL << 15)
#define TSL_LOW_A1 (1UL << 14)
#define TSL_DIS_A2 (1UL << 11)
#define TSL_SDW_A2 (1UL << 10)
#define TSL_SIB_A2 (1UL << 9)
#define TSL_SF_A2 (1UL << 8)
#define TSL_LF_A2 (1UL << 7)
#define TSL_BSEL_A2 (1UL << 4)
#define TSL_DOD_A2 (1UL << 2)
#define TSL_LOW_A2 (1UL << 1)
#define TSL_EOS (1UL << 0)
/* Audiowerk8 hardware setup: */
/* WS0, SD4, TSL1 - Analog/ digital in */
/* WS1, SD0, TSL1 - Analog out #1, digital out */
/* WS2, SD2, TSL1 - Analog out #2 */
/* WS3, SD1, TSL2 - Analog out #3 */
/* WS4, SD3, TSL2 - Analog out #4 */
/* Audiowerk8 timing: */
/* Timeslot: | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | ... */
/* A1_INPUT: */
/* SD4: <_ADC-L_>-------<_ADC-R_>-------< */
/* WS0: _______________/---------------\_ */
/* A1_OUTPUT: */
/* SD0: <_1-L___>-------<_1-R___>-------< */
/* WS1: _______________/---------------\_ */
/* SD2: >-------<_2-L___>-------<_2-R___> */
/* WS2: -------\_______________/--------- */
/* A2_OUTPUT: */
/* SD1: <_3-L___>-------<_3-R___>-------< */
/* WS3: _______________/---------------\_ */
/* SD3: >-------<_4-L___>-------<_4-R___> */
/* WS4: -------\_______________/--------- */
static const int tsl1[8] = {
1 * TSL_SDW_A1 | 3 * TSL_BSEL_A1 |
0 * TSL_DIS_A1 | 0 * TSL_DOD_A1 | TSL_LF_A1,
1 * TSL_SDW_A1 | 2 * TSL_BSEL_A1 |
0 * TSL_DIS_A1 | 0 * TSL_DOD_A1,
0 * TSL_SDW_A1 | 3 * TSL_BSEL_A1 |
0 * TSL_DIS_A1 | 0 * TSL_DOD_A1,
0 * TSL_SDW_A1 | 2 * TSL_BSEL_A1 |
0 * TSL_DIS_A1 | 0 * TSL_DOD_A1,
1 * TSL_SDW_A1 | 1 * TSL_BSEL_A1 |
0 * TSL_DIS_A1 | 0 * TSL_DOD_A1 | TSL_WS1 | TSL_WS0,
1 * TSL_SDW_A1 | 0 * TSL_BSEL_A1 |
0 * TSL_DIS_A1 | 0 * TSL_DOD_A1 | TSL_WS1 | TSL_WS0,
0 * TSL_SDW_A1 | 1 * TSL_BSEL_A1 |
0 * TSL_DIS_A1 | 0 * TSL_DOD_A1 | TSL_WS1 | TSL_WS0,
0 * TSL_SDW_A1 | 0 * TSL_BSEL_A1 | 0 * TSL_DIS_A1 |
0 * TSL_DOD_A1 | TSL_WS1 | TSL_WS0 | TSL_SF_A1 | TSL_EOS,
};
static const int tsl2[8] = {
0 * TSL_SDW_A2 | 3 * TSL_BSEL_A2 | 2 * TSL_DOD_A2 | TSL_LF_A2,
0 * TSL_SDW_A2 | 2 * TSL_BSEL_A2 | 2 * TSL_DOD_A2,
0 * TSL_SDW_A2 | 3 * TSL_BSEL_A2 | 2 * TSL_DOD_A2,
0 * TSL_SDW_A2 | 2 * TSL_BSEL_A2 | 2 * TSL_DOD_A2,
0 * TSL_SDW_A2 | 1 * TSL_BSEL_A2 | 2 * TSL_DOD_A2 | TSL_WS2,
0 * TSL_SDW_A2 | 0 * TSL_BSEL_A2 | 2 * TSL_DOD_A2 | TSL_WS2,
0 * TSL_SDW_A2 | 1 * TSL_BSEL_A2 | 2 * TSL_DOD_A2 | TSL_WS2,
0 * TSL_SDW_A2 | 0 * TSL_BSEL_A2 | 2 * TSL_DOD_A2 | TSL_WS2 | TSL_EOS
};