src/soc/intel/skylake/nhlt/nau88l25.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <commonlib/bsd/helpers.h>
   4 #include <soc/nhlt.h>
   5
   6 /* The same DSP firmware settings are used for both the capture and
   7  * render endpoints. */
   8 static const struct nhlt_format_config nau88l25_formats[] = {
   9         /* 48 KHz 24-bits per sample. */
  10         {
  11                 .num_channels = 2,
  12                 .sample_freq_khz = 48,
  13                 .container_bits_per_sample = 32,
  14                 .valid_bits_per_sample = 24,
  15                 .speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
  16                 .settings_file = "nau88l25-2ch-48khz-24b.bin",
  17         },
  18 };
  19
  20 /* The nau88l25 just has headphones and a mic. Both the capture and render
  21  * endpoints occupy the same virtual slot. */
  22 static const struct nhlt_tdm_config tdm_config = {
  23         .virtual_slot = 0,
  24         .config_type = NHLT_TDM_BASIC,
  25 };
  26
  27 static const struct nhlt_endp_descriptor nau88l25_descriptors[] = {
  28         /* Render Endpoint */
  29         {
  30                 .link = NHLT_LINK_SSP,
  31                 .device = NHLT_SSP_DEV_I2S,
  32                 .direction = NHLT_DIR_RENDER,
  33                 .vid = NHLT_VID,
  34                 .did = NHLT_DID_SSP,
  35                 .cfg = &tdm_config,
  36                 .cfg_size = sizeof(tdm_config),
  37                 .formats = nau88l25_formats,
  38                 .num_formats = ARRAY_SIZE(nau88l25_formats),
  39         },
  40         /* Capture Endpoint */
  41         {
  42                 .link = NHLT_LINK_SSP,
  43                 .device = NHLT_SSP_DEV_I2S,
  44                 .direction = NHLT_DIR_CAPTURE,
  45                 .vid = NHLT_VID,
  46                 .did = NHLT_DID_SSP,
  47                 .cfg = &tdm_config,
  48                 .cfg_size = sizeof(tdm_config),
  49                 .formats = nau88l25_formats,
  50                 .num_formats = ARRAY_SIZE(nau88l25_formats),
  51         },
  52 };
  53
  54 int nhlt_soc_add_nau88l25(struct nhlt *nhlt, int hwlink)
  55 {
  56         /* Virtual bus id of SSP links are the hardware port ids proper. */
  57         return nhlt_add_ssp_endpoints(nhlt, hwlink, nau88l25_descriptors,
  58                                         ARRAY_SIZE(nau88l25_descriptors));
  59 }