diff options
Diffstat (limited to 'kernel/sound/soc/intel/skylake/skl-nhlt.h')
| -rw-r--r-- | kernel/sound/soc/intel/skylake/skl-nhlt.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/kernel/sound/soc/intel/skylake/skl-nhlt.h b/kernel/sound/soc/intel/skylake/skl-nhlt.h new file mode 100644 index 000000000..3769f9fef --- /dev/null +++ b/kernel/sound/soc/intel/skylake/skl-nhlt.h @@ -0,0 +1,106 @@ +/* + * skl-nhlt.h - Intel HDA Platform NHLT header + * + * Copyright (C) 2015 Intel Corp + * Author: Sanjiv Kumar <sanjiv.kumar@intel.com> + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + */ +#ifndef __SKL_NHLT_H__ +#define __SKL_NHLT_H__ + +#include <linux/acpi.h> + +struct wav_fmt { + u16 fmt_tag; + u16 channels; + u32 samples_per_sec; + u32 avg_bytes_per_sec; + u16 block_align; + u16 bits_per_sample; + u16 cb_size; +} __packed; + +struct wav_fmt_ext { + struct wav_fmt fmt; + union samples { + u16 valid_bits_per_sample; + u16 samples_per_block; + u16 reserved; + } sample; + u32 channel_mask; + u8 sub_fmt[16]; +} __packed; + +enum nhlt_link_type { + NHLT_LINK_HDA = 0, + NHLT_LINK_DSP = 1, + NHLT_LINK_DMIC = 2, + NHLT_LINK_SSP = 3, + NHLT_LINK_INVALID +}; + +enum nhlt_device_type { + NHLT_DEVICE_BT = 0, + NHLT_DEVICE_DMIC = 1, + NHLT_DEVICE_I2S = 4, + NHLT_DEVICE_INVALID +}; + +struct nhlt_specific_cfg { + u32 size; + u8 caps[0]; +} __packed; + +struct nhlt_fmt_cfg { + struct wav_fmt_ext fmt_ext; + struct nhlt_specific_cfg config; +} __packed; + +struct nhlt_fmt { + u8 fmt_count; + struct nhlt_fmt_cfg fmt_config[0]; +} __packed; + +struct nhlt_endpoint { + u32 length; + u8 linktype; + u8 instance_id; + u16 vendor_id; + u16 device_id; + u16 revision_id; + u32 subsystem_id; + u8 device_type; + u8 direction; + u8 virtual_bus_id; + struct nhlt_specific_cfg config; +} __packed; + +struct nhlt_acpi_table { + struct acpi_table_header header; + u8 endpoint_count; + struct nhlt_endpoint desc[0]; +} __packed; + +struct nhlt_resource_desc { + u32 extra; + u16 flags; + u64 addr_spc_gra; + u64 min_addr; + u64 max_addr; + u64 addr_trans_offset; + u64 length; +} __packed; + +#endif |