src/soc/intel/skylake/nhlt/max98373.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <commonlib/bsd/helpers.h>
   4 #include <soc/nhlt.h>
   5
   6 static const struct nhlt_format_config max98373_render_formats[] = {
   7         /* 48 KHz 16-bits per sample. */
   8         {
   9                 .num_channels = 2,
  10                 .sample_freq_khz = 48,
  11                 .container_bits_per_sample = 16,
  12                 .valid_bits_per_sample = 16,
  13                 .speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
  14                 .settings_file = "max98373-render-2ch-48khz-16b.bin",
  15         }
  16 };
  17
  18 static const struct nhlt_format_config max98373_capture_formats[] = {
  19         /* 48 KHz 16-bits per sample - Quad Channel. */
  20         {
  21                 .num_channels = 4,
  22                 .sample_freq_khz = 48,
  23                 .container_bits_per_sample = 32,
  24                 .valid_bits_per_sample = 16,
  25                 .speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
  26                 .settings_file = "max98373-render-2ch-48khz-16b.bin",
  27         },
  28         /* 48 KHz 16-bits per sample - Stereo Channel */
  29         {
  30                 .num_channels = 2,
  31                 .sample_freq_khz = 48,
  32                 .container_bits_per_sample = 32,
  33                 .valid_bits_per_sample = 16,
  34                 .speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
  35                 .settings_file = "max98373-render-2ch-48khz-16b.bin",
  36         },
  37 };
  38
  39 static struct nhlt_feedback_config render_config = {
  40         .tdm_config = {
  41                 .virtual_slot = 0x0,
  42                 .config_type = NHLT_TDM_RENDER_FEEDBACK,
  43         },
  44         .feedback_virtual_slot = 2,
  45         .feedback_channels = 4,
  46         .feedback_valid_bits_per_sample = 16,
  47 };
  48
  49 static struct nhlt_feedback_config capture_config = {
  50         .tdm_config = {
  51                 .virtual_slot = 0x2,
  52                 .config_type = NHLT_TDM_RENDER_FEEDBACK,
  53         },
  54         .feedback_virtual_slot = 0,
  55         .feedback_channels = 2,
  56         .feedback_valid_bits_per_sample = 16,
  57 };
  58
  59 static const struct nhlt_endp_descriptor max98373_descriptors[] = {
  60         {
  61                 .link = NHLT_LINK_SSP,
  62                 .device = NHLT_SSP_DEV_I2S,
  63                 .direction = NHLT_DIR_RENDER,
  64                 .vid = NHLT_VID,
  65                 .did = NHLT_DID_SSP,
  66                 .cfg = &render_config,
  67                 .cfg_size = sizeof(render_config),
  68                 .formats = max98373_render_formats,
  69                 .num_formats = ARRAY_SIZE(max98373_render_formats),
  70         },
  71         {
  72                 .link = NHLT_LINK_SSP,
  73                 .device = NHLT_SSP_DEV_I2S,
  74                 .direction = NHLT_DIR_CAPTURE,
  75                 .vid = NHLT_VID,
  76                 .did = NHLT_DID_SSP,
  77                 .cfg = &capture_config,
  78                 .cfg_size = sizeof(capture_config),
  79                 .formats = max98373_capture_formats,
  80                 .num_formats = ARRAY_SIZE(max98373_capture_formats),
  81         },
  82 };
  83
  84 int nhlt_soc_add_max98373(struct nhlt *nhlt, int hwlink, int render_slot,
  85                                 int feedback_slot)
  86 {
  87         render_config.tdm_config.virtual_slot = render_slot;
  88         render_config.feedback_virtual_slot = feedback_slot;
  89         capture_config.tdm_config.virtual_slot = feedback_slot;
  90         capture_config.feedback_virtual_slot = render_slot;
  91
  92         /* Virtual bus id of SSP links are the hardware port ids proper. */
  93         return nhlt_add_ssp_endpoints(nhlt, hwlink, max98373_descriptors,
  94                                       ARRAY_SIZE(max98373_descriptors));
  95 }