8f75f43515
Support 600KHz soundwire bus clock scaling for low power voice activation usecases. Change-Id: I81167895cf096a669e1335d3e4a8be6f3e7bf7f4 Signed-off-by: Meng Wang <mengw@codeaurora.org>
49 lines
939 B
C
49 lines
939 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2015, 2017-2020 The Linux Foundation. All rights reserved.
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*/
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#ifndef _LINUX_SWR_COMMON_H
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#define _LINUX_SWR_COMMON_H
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/device.h>
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#include <linux/bitops.h>
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enum {
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SWR_UC0 = 0,
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SWR_UC1,
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SWR_UC2,
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SWR_UC_MAX,
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};
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struct port_params {
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u16 si;
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u8 off1;
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u8 off2;
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u8 hstart;/* head start */
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u8 hstop; /* head stop */
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u8 wd_len;/* word length */
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u8 bp_mode; /* block pack mode */
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u8 bgp_ctrl;/* block group control */
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u8 lane_ctrl;/* lane to be used */
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u8 dir; /* master port dir: OUT = 0 IN = 1 */
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u8 stream_type; /* PDM = 0, PCM = 1 */
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};
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struct swrm_port_config {
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u32 size;
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u32 uc;
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void *params;
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};
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struct swr_mstr_port_map {
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u32 id;
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u32 uc;
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struct port_params *swr_port_params;
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};
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#define SWR_MSTR_PORT_LEN 8 /* Number of master ports */
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#endif /* _LINUX_SWR_COMMON_H */
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