1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Freescale ALSA SoC Machine driver utility
*
* Author: Timur Tabi <timur@freescale.com>
*
* Copyright 2010 Freescale Semiconductor, Inc.
*/
#ifndef _FSL_UTILS_H
#define _FSL_UTILS_H
#define DAI_NAME_SIZE 32
struct snd_soc_dai_link;
struct device_node;
int fsl_asoc_get_dma_channel(struct device_node *ssi_np, const char *name,
struct snd_soc_dai_link *dai,
unsigned int *dma_channel_id,
unsigned int *dma_id);
void fsl_asoc_get_pll_clocks(struct device *dev, struct clk **pll8k_clk,
struct clk **pll11k_clk);
void fsl_asoc_reparent_pll_clocks(struct device *dev, struct clk *clk,
struct clk *pll8k_clk,
struct clk *pll11k_clk, u64 ratio);
void fsl_asoc_constrain_rates(struct snd_pcm_hw_constraint_list *target_constr,
const struct snd_pcm_hw_constraint_list *original_constr,
struct clk *pll8k_clk, struct clk *pll11k_clk,
struct clk *ext_clk, int *target_rates);
/* Similar to SOC_SINGLE_XR_SX, but it is for read only registers. */
#define FSL_ASOC_SINGLE_XR_SX_EXT_RO(xname, xregbase, xregcount, xnbits, \
xmin, xmax, xinvert, xhandler_get) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
.access = SNDRV_CTL_ELEM_ACCESS_READ | \
SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
.info = snd_soc_info_xr_sx, .get = xhandler_get, \
.private_value = (unsigned long)&(struct soc_mreg_control) \
{.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
.invert = xinvert, .min = xmin, .max = xmax} }
/* Similar to SOC_SINGLE_EXT, but it is for volatile register. */
#define FSL_ASOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
xhandler_get, xhandler_put) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.access = SNDRV_CTL_ELEM_ACCESS_VOLATILE | \
SNDRV_CTL_ELEM_ACCESS_READWRITE, \
.info = snd_soc_info_volsw, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = SOC_SINGLE_VALUE(xreg, xshift, 0, xmax, xinvert, 0) }
#define FSL_ASOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.access = SNDRV_CTL_ELEM_ACCESS_VOLATILE | \
SNDRV_CTL_ELEM_ACCESS_READWRITE, \
.info = snd_soc_info_enum_double, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = (unsigned long)&xenum }
int fsl_asoc_get_xr_sx(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int fsl_asoc_put_xr_sx(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int fsl_asoc_get_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int fsl_asoc_put_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int fsl_asoc_get_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int fsl_asoc_put_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
#endif /* _FSL_UTILS_H */
|