src/drivers/soundwire/alc711/alc711.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <acpi/acpigen.h>
   4 #include <acpi/acpi_device.h>
   5 #include <acpi/acpi_soundwire.h>
   6 #include <device/device.h>
   7 #include <device/soundwire.h>
   8 #include <mipi/ids.h>
   9 #include <stdio.h>
  10
  11 #include "chip.h"
  12
  13 static struct soundwire_slave alc711_slave = {
  14         .wake_up_unavailable = false,
  15         .test_mode_supported = false,
  16         .clock_stop_mode1_supported = true,
  17         .simplified_clockstopprepare_sm_supported = true,
  18         .clockstopprepare_hard_reset_behavior = false,
  19         .highPHY_capable = false,
  20         .paging_supported = false,
  21         .bank_delay_supported = false,
  22         .port15_read_behavior = false,
  23         .source_port_list = SOUNDWIRE_PORT(2),
  24         .sink_port_list = SOUNDWIRE_PORT(1),
  25 };
  26
  27 static struct soundwire_audio_mode alc711_audio_mode = {
  28         /* Bus frequency must be 1/2/4/8 divider of supported input frequencies. */
  29         .bus_frequency_configs_count = 12,
  30         .bus_frequency_configs = {
  31                 9600 * KHz,
  32                 4800 * KHz,
  33                 2400 * KHz,
  34                 1200 * KHz,
  35                 12000 * KHz,
  36                 6000 * KHz,
  37                 3000 * KHz,
  38                 1500 * KHz,
  39                 12288 * KHz,
  40                 6144 * KHz,
  41                 3072 * KHz,
  42                 1536 * KHz
  43         },
  44         /* Support 16 KHz to 192 KHz sampling frequency */
  45         .sampling_frequency_configs_count = 9,
  46         .sampling_frequency_configs = {
  47                 16 * KHz,
  48                 22.05 * KHz,
  49                 24 * KHz,
  50                 32 * KHz,
  51                 44.1 * KHz,
  52                 48 * KHz,
  53                 88.2 * KHz,
  54                 96 * KHz,
  55                 192 * KHz
  56         },
  57         .prepare_channel_behavior = CHANNEL_PREPARE_ANY_FREQUENCY
  58 };
  59
  60 static struct soundwire_dpn alc711_dp = {
  61         .port_wordlength_configs_count = 1,
  62         .port_wordlength_configs = { 32 },
  63         .data_port_type = FULL_DATA_PORT,
  64         .max_grouping_supported = BLOCK_GROUP_COUNT_1,
  65         .simplified_channelprepare_sm = false,
  66         .imp_def_dpn_interrupts_supported = 0,
  67         .min_channel_number = 1,
  68         .max_channel_number = 2,
  69         .modes_supported = MODE_ISOCHRONOUS | MODE_TX_CONTROLLED |
  70                            MODE_RX_CONTROLLED | MODE_FULL_ASYNCHRONOUS,
  71         .block_packing_mode = true,
  72         .port_audio_mode_count = 1,
  73         .port_audio_mode_list = { 0 }
  74 };
  75
  76 static const struct soundwire_codec alc711_codec = {
  77         .slave = &alc711_slave,
  78         .audio_mode = { &alc711_audio_mode },
  79         .dpn = {
  80                 {
  81                         /* Data Input for Speaker Path */
  82                         .port = 1,
  83                         .sink = &alc711_dp
  84                 },
  85                 {
  86                         /* Data Output for DSP Path */
  87                         .port = 2,
  88                         .source = &alc711_dp
  89                 }
  90         }
  91
  92 };
  93
  94 static void soundwire_alc711_fill_ssdt(const struct device *dev)
  95 {
  96         struct drivers_soundwire_alc711_config *config = dev->chip_info;
  97         const char *scope = acpi_device_scope(dev);
  98         struct acpi_dp *dsd;
  99
 100         if (!scope)
 101                 return;
 102
 103         acpigen_write_scope(scope);
 104         acpigen_write_device(acpi_device_name(dev));
 105
 106         /* Set codec address IDs. */
 107         config->alc711_address.link_id = dev->path.generic.id;
 108         config->alc711_address.unique_id = dev->path.generic.subid;
 109         config->alc711_address.manufacturer_id = MIPI_MFG_ID_REALTEK;
 110
 111         acpigen_write_ADR_soundwire_device(&config->alc711_address);
 112         acpigen_write_name_string("_DDN", config->desc ? : dev->chip_ops->name);
 113         acpigen_write_STA(acpi_device_status(dev));
 114
 115         dsd = acpi_dp_new_table("_DSD");
 116         soundwire_gen_codec(dsd, &alc711_codec, NULL);
 117         acpi_dp_write(dsd);
 118
 119         acpigen_pop_len(); /* Device */
 120         acpigen_pop_len(); /* Scope */
 121 }
 122
 123 static const char *soundwire_alc711_acpi_name(const struct device *dev)
 124 {
 125         struct drivers_soundwire_alc711_config *config = dev->chip_info;
 126         static char name[5];
 127
 128         if (config->name)
 129                 return config->name;
 130         snprintf(name, sizeof(name), "SW%1X%1X", dev->path.generic.id, dev->path.generic.subid);
 131         return name;
 132 }
 133
 134 static struct device_operations soundwire_alc711_ops = {
 135         .read_resources         = noop_read_resources,
 136         .set_resources          = noop_set_resources,
 137         .acpi_name              = soundwire_alc711_acpi_name,
 138         .acpi_fill_ssdt         = soundwire_alc711_fill_ssdt,
 139 };
 140
 141 static void soundwire_alc711_enable(struct device *dev)
 142 {
 143         dev->ops = &soundwire_alc711_ops;
 144 }
 145
 146 struct chip_operations drivers_soundwire_alc711_ops = {
 147 #if CONFIG(DRIVERS_SOUNDWIRE_ALC_BASE_7XX)
 148         .name = "Realtek ALC 7 Series SoundWire Codec",
 149 #else
 150         .name = "Unknown",
 151 #endif
 152         .enable_dev = soundwire_alc711_enable
 153 };