Duncan Laurie | 73ce9fb | 2020-04-29 14:25:54 -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 | 73ce9fb | 2020-04-29 14:25:54 -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 | 73ce9fb | 2020-04-29 14:25:54 -0700 | [diff] [blame] | 9 | #include <stdio.h> |
| 10 | |
| 11 | #include "chip.h" |
| 12 | |
| 13 | static struct soundwire_address alc5682_address = { |
| 14 | .version = SOUNDWIRE_VERSION_1_1, |
| 15 | .manufacturer_id = MIPI_MFG_ID_REALTEK, |
| 16 | .part_id = MIPI_DEV_ID_REALTEK_ALC5682, |
| 17 | .class = MIPI_CLASS_NONE |
| 18 | }; |
| 19 | |
| 20 | static struct soundwire_slave alc5682_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(1) | SOUNDWIRE_PORT(2) | |
| 31 | SOUNDWIRE_PORT(3) | SOUNDWIRE_PORT(4), |
| 32 | .sink_port_list = SOUNDWIRE_PORT(1) | SOUNDWIRE_PORT(2) | |
| 33 | SOUNDWIRE_PORT(3) | SOUNDWIRE_PORT(4) |
| 34 | }; |
| 35 | |
| 36 | static struct soundwire_bra_mode alc5682_dp0_bra_mode = { |
| 37 | .bus_frequency_configs_count = 7, |
| 38 | .bus_frequency_configs = { |
| 39 | 1000 * KHz, /* 1 MHz */ |
| 40 | 2400 * KHz, /* 2.4 MHz */ |
| 41 | 3000 * KHz, /* 3 MHz */ |
| 42 | 4000 * KHz, /* 4 MHz */ |
| 43 | 4800 * KHz, /* 4.8 MHz */ |
| 44 | 9600 * KHz, /* 9.6 MHz */ |
| 45 | 12000 * KHz, /* 12 MHz */ |
| 46 | }, |
| 47 | .max_data_per_frame = 470, |
| 48 | .min_us_between_transactions = 0 |
| 49 | }; |
| 50 | |
| 51 | static struct soundwire_dp0 alc5682_dp0 = { |
| 52 | .port_max_wordlength = 64, |
| 53 | .port_min_wordlength = 1, |
| 54 | .bra_imp_def_response_supported = false, |
| 55 | .simplified_channel_prepare_sm = true, |
| 56 | .imp_def_dp0_interrupts_supported = 0, |
| 57 | .imp_def_bpt_supported = true, |
| 58 | .bra_mode_count = 1, |
| 59 | .bra_mode_list = { 0 } |
| 60 | }; |
| 61 | |
| 62 | static struct soundwire_audio_mode alc5682_audio_mode = { |
| 63 | .bus_frequency_configs_count = 7, |
| 64 | .bus_frequency_configs = { |
| 65 | 1000 * KHz, /* 1 MHz */ |
| 66 | 2400 * KHz, /* 2.4 MHz */ |
| 67 | 3000 * KHz, /* 3 MHz */ |
| 68 | 4000 * KHz, /* 4 MHz */ |
| 69 | 4800 * KHz, /* 4.8 MHz */ |
| 70 | 9600 * KHz, /* 9.6 MHz */ |
| 71 | 12000 * KHz, /* 12 MHz */ |
| 72 | }, |
| 73 | /* Support 8 KHz to 192 KHz sampling frequency */ |
| 74 | .max_sampling_frequency = 192 * KHz, |
| 75 | .min_sampling_frequency = 8 * KHz, |
| 76 | .prepare_channel_behavior = CHANNEL_PREPARE_ANY_FREQUENCY |
| 77 | }; |
| 78 | |
| 79 | static struct soundwire_dpn alc5682_dpn = { |
| 80 | .port_wordlength_configs_count = 3, |
| 81 | .port_wordlength_configs = { 16, 20, 24 }, |
| 82 | .data_port_type = FULL_DATA_PORT, |
| 83 | .max_grouping_supported = BLOCK_GROUP_COUNT_1, |
| 84 | .simplified_channelprepare_sm = false, |
| 85 | .imp_def_dpn_interrupts_supported = 0, |
| 86 | .min_channel_number = 1, |
| 87 | .max_channel_number = 2, |
| 88 | .modes_supported = MODE_ISOCHRONOUS | MODE_TX_CONTROLLED | |
| 89 | MODE_RX_CONTROLLED | MODE_FULL_ASYNCHRONOUS, |
| 90 | .block_packing_mode = true, |
| 91 | .port_audio_mode_count = 1, |
| 92 | .port_audio_mode_list = { 0 } |
| 93 | }; |
| 94 | |
| 95 | static const struct soundwire_codec alc5682_codec = { |
| 96 | .slave = &alc5682_slave, |
| 97 | .dp0_bra_mode = { &alc5682_dp0_bra_mode }, |
| 98 | .dp0 = &alc5682_dp0, |
| 99 | .audio_mode = { &alc5682_audio_mode }, |
| 100 | .dpn = { |
| 101 | { |
| 102 | .port = 1, |
| 103 | .source = &alc5682_dpn, |
| 104 | .sink = &alc5682_dpn, |
| 105 | }, |
| 106 | { |
| 107 | .port = 2, |
| 108 | .source = &alc5682_dpn, |
| 109 | .sink = &alc5682_dpn, |
| 110 | }, |
| 111 | { |
| 112 | .port = 3, |
| 113 | .source = &alc5682_dpn, |
| 114 | .sink = &alc5682_dpn, |
| 115 | }, |
| 116 | { |
| 117 | .port = 4, |
| 118 | .source = &alc5682_dpn, |
| 119 | .sink = &alc5682_dpn, |
| 120 | } |
| 121 | } |
| 122 | }; |
| 123 | |
| 124 | static void soundwire_alc5682_fill_ssdt(const struct device *dev) |
| 125 | { |
| 126 | struct drivers_soundwire_alc5682_config *config = dev->chip_info; |
| 127 | const char *scope = acpi_device_scope(dev); |
| 128 | struct acpi_dp *dsd; |
| 129 | |
Karthikeyan Ramasubramanian | d1c0f95 | 2020-11-02 16:26:52 -0700 | [diff] [blame] | 130 | if (!scope) |
Duncan Laurie | 73ce9fb | 2020-04-29 14:25:54 -0700 | [diff] [blame] | 131 | return; |
| 132 | |
| 133 | acpigen_write_scope(scope); |
| 134 | acpigen_write_device(acpi_device_name(dev)); |
| 135 | |
| 136 | /* Set codec address IDs. */ |
| 137 | alc5682_address.link_id = dev->path.generic.id; |
| 138 | alc5682_address.unique_id = dev->path.generic.subid; |
| 139 | |
| 140 | acpigen_write_ADR_soundwire_device(&alc5682_address); |
| 141 | acpigen_write_name_string("_DDN", config->desc ? : dev->chip_ops->name); |
| 142 | acpigen_write_STA(acpi_device_status(dev)); |
| 143 | |
| 144 | dsd = acpi_dp_new_table("_DSD"); |
| 145 | soundwire_gen_codec(dsd, &alc5682_codec, NULL); |
| 146 | acpi_dp_write(dsd); |
| 147 | |
| 148 | acpigen_pop_len(); /* Device */ |
| 149 | acpigen_pop_len(); /* Scope */ |
| 150 | } |
| 151 | |
| 152 | static const char *soundwire_alc5682_acpi_name(const struct device *dev) |
| 153 | { |
| 154 | struct drivers_soundwire_alc5682_config *config = dev->chip_info; |
| 155 | static char name[5]; |
| 156 | |
| 157 | if (config->name) |
| 158 | return config->name; |
| 159 | snprintf(name, sizeof(name), "SW%1X%1X", dev->path.generic.id, dev->path.generic.subid); |
| 160 | return name; |
| 161 | } |
| 162 | |
| 163 | static struct device_operations soundwire_alc5682_ops = { |
| 164 | .read_resources = noop_read_resources, |
| 165 | .set_resources = noop_set_resources, |
| 166 | .acpi_name = soundwire_alc5682_acpi_name, |
| 167 | .acpi_fill_ssdt = soundwire_alc5682_fill_ssdt, |
| 168 | }; |
| 169 | |
| 170 | static void soundwire_alc5682_enable(struct device *dev) |
| 171 | { |
| 172 | dev->ops = &soundwire_alc5682_ops; |
| 173 | } |
| 174 | |
| 175 | struct chip_operations drivers_soundwire_alc5682_ops = { |
Nicholas Sudsgaard | bfb11be | 2024-01-30 09:53:46 +0900 | [diff] [blame] | 176 | .name = "Realtek ALC5682 SoundWire Codec", |
Duncan Laurie | 73ce9fb | 2020-04-29 14:25:54 -0700 | [diff] [blame] | 177 | .enable_dev = soundwire_alc5682_enable |
| 178 | }; |