Kapil Porwal | 1fe5fcf | 2023-02-25 22:19:48 +0530 | [diff] [blame] | 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/path.h> |
| 8 | #include <device/soundwire.h> |
| 9 | #include <mipi/ids.h> |
| 10 | #include <stdio.h> |
| 11 | |
| 12 | #include "chip.h" |
| 13 | |
| 14 | static struct soundwire_address max98363_address = { |
| 15 | .version = SOUNDWIRE_VERSION_1_2, |
| 16 | .manufacturer_id = MIPI_MFG_ID_MAXIM, |
| 17 | .part_id = MIPI_DEV_ID_MAXIM_MAX98363, |
| 18 | .class = MIPI_CLASS_NONE |
| 19 | }; |
| 20 | |
| 21 | static struct soundwire_slave max98363_slave = { |
| 22 | .wake_up_unavailable = false, |
| 23 | .test_mode_supported = false, |
| 24 | .clock_stop_mode1_supported = true, |
| 25 | .simplified_clockstopprepare_sm_supported = true, |
| 26 | .clockstopprepare_hard_reset_behavior = false, |
| 27 | .highPHY_capable = false, |
| 28 | .paging_supported = false, |
| 29 | .bank_delay_supported = false, |
| 30 | .port15_read_behavior = false, |
| 31 | .source_port_list = 0, |
| 32 | .sink_port_list = SOUNDWIRE_PORT(1), |
| 33 | }; |
| 34 | |
| 35 | static struct soundwire_audio_mode max98363_audio_mode = { |
| 36 | /* Bus frequency must be 2/4/8/16 divider of supported input frequencies. */ |
| 37 | .bus_frequency_configs_count = 19, |
| 38 | .bus_frequency_configs = { |
| 39 | 9600 * KHz, 4800 * KHz, 2400 * KHz, 1200 * KHz, /* 19.2 MHz */ |
| 40 | 11289600, 5644800, 2822400, 1411200, /* 22.5792 MHz */ |
| 41 | 12000 * KHz, 6000 * KHz, 3000 * KHz, 1500 * KHz, /* 24 MHz */ |
| 42 | 12288 * KHz, 6144 * KHz, 3072 * KHz, 1536 * KHz, /* 24.576 MHz */ |
| 43 | 8000 * KHz, 4000 * KHz, 2000 * KHz, /* 32 MHz (no /2) */ |
| 44 | }, |
| 45 | /* Support 16 KHz to 96 KHz sampling frequency */ |
| 46 | .sampling_frequency_configs_count = 8, |
| 47 | .sampling_frequency_configs = { |
| 48 | 16 * KHz, |
| 49 | 22.05 * KHz, |
| 50 | 24 * KHz, |
| 51 | 32 * KHz, |
| 52 | 44.1 * KHz, |
| 53 | 48 * KHz, |
| 54 | 88.2 * KHz, |
| 55 | 96 * KHz, |
| 56 | }, |
| 57 | .prepare_channel_behavior = CHANNEL_PREPARE_ANY_FREQUENCY |
| 58 | }; |
| 59 | |
| 60 | static struct soundwire_dpn max98363_dp1 = { |
| 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 = 1, |
| 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 max98363_codec = { |
| 77 | .slave = &max98363_slave, |
| 78 | .audio_mode = { &max98363_audio_mode }, |
| 79 | .dpn = { |
| 80 | { |
| 81 | /* Data Input for Speaker Path */ |
| 82 | .port = 1, |
| 83 | .sink = &max98363_dp1 |
| 84 | } |
| 85 | } |
| 86 | }; |
| 87 | |
| 88 | static void soundwire_max98363_fill_ssdt(const struct device *dev) |
| 89 | { |
| 90 | struct drivers_soundwire_max98363_config *config = dev->chip_info; |
| 91 | const char *scope = acpi_device_scope(dev); |
| 92 | struct acpi_dp *dsd; |
| 93 | |
| 94 | if (!scope) |
| 95 | return; |
| 96 | |
| 97 | acpigen_write_scope(scope); |
| 98 | acpigen_write_device(acpi_device_name(dev)); |
| 99 | |
| 100 | /* Set codec address IDs. */ |
| 101 | max98363_address.link_id = dev->path.generic.id; |
| 102 | max98363_address.unique_id = dev->path.generic.subid; |
| 103 | |
| 104 | acpigen_write_ADR_soundwire_device(&max98363_address); |
| 105 | acpigen_write_name_string("_DDN", config->desc ? : dev->chip_ops->name); |
| 106 | acpigen_write_STA(acpi_device_status(dev)); |
| 107 | |
| 108 | dsd = acpi_dp_new_table("_DSD"); |
| 109 | soundwire_gen_codec(dsd, &max98363_codec, NULL); |
| 110 | acpi_dp_write(dsd); |
| 111 | |
| 112 | acpigen_pop_len(); /* Device */ |
| 113 | acpigen_pop_len(); /* Scope */ |
| 114 | } |
| 115 | |
| 116 | static const char *soundwire_max98363_acpi_name(const struct device *dev) |
| 117 | { |
| 118 | struct drivers_soundwire_max98363_config *config = dev->chip_info; |
| 119 | if (config->acpi_name[0] != 0) |
| 120 | return config->acpi_name; |
| 121 | snprintf(config->acpi_name, sizeof(config->acpi_name), "SW%1X%1X", |
| 122 | dev->path.generic.id, dev->path.generic.subid); |
| 123 | return config->acpi_name; |
| 124 | } |
| 125 | |
| 126 | static struct device_operations soundwire_max98363_ops = { |
| 127 | .read_resources = noop_read_resources, |
| 128 | .set_resources = noop_set_resources, |
| 129 | .acpi_name = soundwire_max98363_acpi_name, |
| 130 | .acpi_fill_ssdt = soundwire_max98363_fill_ssdt, |
| 131 | }; |
| 132 | |
| 133 | static void soundwire_max98363_enable(struct device *dev) |
| 134 | { |
| 135 | dev->ops = &soundwire_max98363_ops; |
| 136 | } |
| 137 | |
| 138 | struct chip_operations drivers_soundwire_max98363_ops = { |
Nicholas Sudsgaard | bfb11be | 2024-01-30 09:53:46 +0900 | [diff] [blame^] | 139 | .name = "Maxim MAX98363 SoundWire Codec", |
Kapil Porwal | 1fe5fcf | 2023-02-25 22:19:48 +0530 | [diff] [blame] | 140 | .enable_dev = soundwire_max98363_enable |
| 141 | }; |