Duncan Laurie | e0563cc | 2020-04-29 14:01:04 -0700 | [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> |
Duncan Laurie | e0563cc | 2020-04-29 14:01:04 -0700 | [diff] [blame] | 7 | #include <device/soundwire.h> |
Julius Werner | 5ff1808 | 2021-08-24 16:03:57 -0700 | [diff] [blame] | 8 | #include <mipi/ids.h> |
Duncan Laurie | e0563cc | 2020-04-29 14:01:04 -0700 | [diff] [blame] | 9 | #include <stdio.h> |
| 10 | |
| 11 | #include "chip.h" |
| 12 | |
| 13 | static struct soundwire_address max98373_address = { |
| 14 | .version = SOUNDWIRE_VERSION_1_1, |
| 15 | .manufacturer_id = MIPI_MFG_ID_MAXIM, |
| 16 | .part_id = MIPI_DEV_ID_MAXIM_MAX98373, |
| 17 | .class = MIPI_CLASS_NONE |
| 18 | }; |
| 19 | |
| 20 | static struct soundwire_slave max98373_slave = { |
| 21 | .wake_up_unavailable = false, |
| 22 | .test_mode_supported = false, |
| 23 | .clock_stop_mode1_supported = true, |
| 24 | .simplified_clockstopprepare_sm_supported = true, |
| 25 | .clockstopprepare_hard_reset_behavior = false, |
| 26 | .highPHY_capable = false, |
| 27 | .paging_supported = false, |
| 28 | .bank_delay_supported = false, |
| 29 | .port15_read_behavior = false, |
| 30 | .source_port_list = SOUNDWIRE_PORT(3), |
| 31 | .sink_port_list = SOUNDWIRE_PORT(1), |
| 32 | }; |
| 33 | |
| 34 | static struct soundwire_audio_mode max98373_audio_mode = { |
| 35 | /* Bus frequency must be 1/2/4/8 divider of supported input frequencies. */ |
| 36 | .bus_frequency_configs_count = 27, |
| 37 | .bus_frequency_configs = { |
| 38 | 7680 * KHz, 3840 * KHz, 1920 * KHz, 960 * KHz, /* 7.68 MHz */ |
| 39 | 8400 * KHz, 4200 * KHz, 2100 * KHz, 1050 * KHz, /* 8.4 MHz */ |
| 40 | 9600 * KHz, 4800 * KHz, 2400 * KHz, 1200 * KHz, /* 9.6 MHz */ |
| 41 | 11289600, 5644800, 2822400, 1411200, /* 11.2896 MHz */ |
| 42 | 12000 * KHz, 6000 * KHz, 3000 * KHz, 1500 * KHz, /* 12 MHz */ |
| 43 | 12288 * KHz, 6144 * KHz, 3072 * KHz, 1536 * KHz, /* 12.288 MHz */ |
| 44 | 13000 * KHz, 6500 * KHz, 3250 * KHz /* 13 MHz (no /8) */ |
| 45 | }, |
| 46 | /* Support 16 KHz to 96 KHz sampling frequency */ |
| 47 | .sampling_frequency_configs_count = 8, |
| 48 | .sampling_frequency_configs = { |
| 49 | 16 * KHz, |
| 50 | 22.05 * KHz, |
| 51 | 24 * KHz, |
| 52 | 32 * KHz, |
| 53 | 44.1 * KHz, |
| 54 | 48 * KHz, |
| 55 | 88.2 * KHz, |
| 56 | 96 * KHz, |
| 57 | }, |
| 58 | .prepare_channel_behavior = CHANNEL_PREPARE_ANY_FREQUENCY |
| 59 | }; |
| 60 | |
| 61 | static struct soundwire_dpn max98373_dp1 = { |
| 62 | .port_wordlength_configs_count = 1, |
| 63 | .port_wordlength_configs = { 32 }, |
| 64 | .data_port_type = FULL_DATA_PORT, |
| 65 | .max_grouping_supported = BLOCK_GROUP_COUNT_1, |
| 66 | .simplified_channelprepare_sm = false, |
| 67 | .imp_def_dpn_interrupts_supported = 0, |
| 68 | .min_channel_number = 1, |
| 69 | .max_channel_number = 2, |
| 70 | .modes_supported = MODE_ISOCHRONOUS | MODE_TX_CONTROLLED | |
| 71 | MODE_RX_CONTROLLED | MODE_FULL_ASYNCHRONOUS, |
| 72 | .block_packing_mode = true, |
| 73 | .port_audio_mode_count = 1, |
| 74 | .port_audio_mode_list = { 0 } |
| 75 | }; |
| 76 | |
| 77 | static struct soundwire_dpn max98373_dp3 = { |
| 78 | .port_wordlength_configs_count = 1, |
| 79 | .port_wordlength_configs = { 16 }, |
| 80 | .data_port_type = FULL_DATA_PORT, |
| 81 | .max_grouping_supported = BLOCK_GROUP_COUNT_1, |
| 82 | .simplified_channelprepare_sm = false, |
| 83 | .imp_def_dpn_interrupts_supported = 0, |
| 84 | .min_channel_number = 1, |
| 85 | .max_channel_number = 2, |
| 86 | .modes_supported = MODE_ISOCHRONOUS | MODE_TX_CONTROLLED | |
| 87 | MODE_RX_CONTROLLED | MODE_FULL_ASYNCHRONOUS, |
| 88 | .block_packing_mode = true, |
| 89 | .port_audio_mode_count = 1, |
| 90 | .port_audio_mode_list = { 0 } |
| 91 | }; |
| 92 | |
| 93 | static const struct soundwire_codec max98373_codec = { |
| 94 | .slave = &max98373_slave, |
| 95 | .audio_mode = { &max98373_audio_mode }, |
| 96 | .dpn = { |
| 97 | { |
| 98 | /* Data Input for Speaker Path */ |
| 99 | .port = 1, |
| 100 | .sink = &max98373_dp1 |
| 101 | }, |
| 102 | { |
| 103 | /* Data Output for I/V Sense ADC Path */ |
| 104 | .port = 3, |
| 105 | .source = &max98373_dp3, |
| 106 | } |
| 107 | } |
| 108 | }; |
| 109 | |
| 110 | static void soundwire_max98373_fill_ssdt(const struct device *dev) |
| 111 | { |
| 112 | struct drivers_soundwire_max98373_config *config = dev->chip_info; |
| 113 | const char *scope = acpi_device_scope(dev); |
| 114 | struct acpi_dp *dsd; |
| 115 | |
Karthikeyan Ramasubramanian | d1c0f95 | 2020-11-02 16:26:52 -0700 | [diff] [blame] | 116 | if (!scope) |
Duncan Laurie | e0563cc | 2020-04-29 14:01:04 -0700 | [diff] [blame] | 117 | return; |
| 118 | |
| 119 | acpigen_write_scope(scope); |
| 120 | acpigen_write_device(acpi_device_name(dev)); |
| 121 | |
| 122 | /* Set codec address IDs. */ |
| 123 | max98373_address.link_id = dev->path.generic.id; |
| 124 | max98373_address.unique_id = dev->path.generic.subid; |
| 125 | |
| 126 | acpigen_write_ADR_soundwire_device(&max98373_address); |
| 127 | acpigen_write_name_string("_DDN", config->desc ? : dev->chip_ops->name); |
| 128 | acpigen_write_STA(acpi_device_status(dev)); |
| 129 | |
| 130 | dsd = acpi_dp_new_table("_DSD"); |
| 131 | soundwire_gen_codec(dsd, &max98373_codec, NULL); |
| 132 | acpi_dp_write(dsd); |
| 133 | |
| 134 | acpigen_pop_len(); /* Device */ |
| 135 | acpigen_pop_len(); /* Scope */ |
| 136 | } |
| 137 | |
| 138 | static const char *soundwire_max98373_acpi_name(const struct device *dev) |
| 139 | { |
| 140 | struct drivers_soundwire_max98373_config *config = dev->chip_info; |
| 141 | static char name[5]; |
| 142 | |
| 143 | if (config->name) |
| 144 | return config->name; |
| 145 | snprintf(name, sizeof(name), "SW%1X%1X", dev->path.generic.id, dev->path.generic.subid); |
| 146 | return name; |
| 147 | } |
| 148 | |
| 149 | static struct device_operations soundwire_max98373_ops = { |
| 150 | .read_resources = noop_read_resources, |
| 151 | .set_resources = noop_set_resources, |
| 152 | .acpi_name = soundwire_max98373_acpi_name, |
| 153 | .acpi_fill_ssdt = soundwire_max98373_fill_ssdt, |
| 154 | }; |
| 155 | |
| 156 | static void soundwire_max98373_enable(struct device *dev) |
| 157 | { |
| 158 | dev->ops = &soundwire_max98373_ops; |
| 159 | } |
| 160 | |
| 161 | struct chip_operations drivers_soundwire_max98373_ops = { |
Nicholas Sudsgaard | bfb11be | 2024-01-30 09:53:46 +0900 | [diff] [blame] | 162 | .name = "Maxim MAX98373 SoundWire Codec", |
Duncan Laurie | e0563cc | 2020-04-29 14:01:04 -0700 | [diff] [blame] | 163 | .enable_dev = soundwire_max98373_enable |
| 164 | }; |