Tim Wawrzynczak | 103bd5e | 2020-05-29 13:11:00 -0600 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include <acpi/acpigen.h> |
Tim Wawrzynczak | d40a4c2 | 2021-02-25 13:14:49 -0700 | [diff] [blame] | 4 | #include <acpi/acpigen_pci.h> |
Tim Wawrzynczak | 103bd5e | 2020-05-29 13:11:00 -0600 | [diff] [blame] | 5 | #include <console/console.h> |
| 6 | #include <device/device.h> |
Sumeet Pawnikar | a91d931 | 2021-08-30 23:19:38 +0530 | [diff] [blame] | 7 | #include <intelblocks/pmc_ipc.h> |
Sumeet Pawnikar | e0bff81 | 2021-09-23 21:49:29 +0530 | [diff] [blame] | 8 | #include <soc/pci_devs.h> |
Tim Wawrzynczak | 103bd5e | 2020-05-29 13:11:00 -0600 | [diff] [blame] | 9 | #include "chip.h" |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 10 | #include "dptf.h" |
Tim Wawrzynczak | 103bd5e | 2020-05-29 13:11:00 -0600 | [diff] [blame] | 11 | |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 12 | /* Generic DPTF participants have a PTYP field to distinguish them */ |
| 13 | enum dptf_generic_participant_type { |
| 14 | DPTF_GENERIC_PARTICIPANT_TYPE_TSR = 0x3, |
Sumeet Pawnikar | e0bff81 | 2021-09-23 21:49:29 +0530 | [diff] [blame] | 15 | DPTF_GENERIC_PARTICIPANT_TYPE_TPCH = 0x5, |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 16 | DPTF_GENERIC_PARTICIPANT_TYPE_CHARGER = 0xB, |
Varshit B Pandya | 170a76c | 2022-04-02 15:11:36 +0530 | [diff] [blame] | 17 | DPTF_GENERIC_PARTICIPANT_TYPE_BATTERY = 0xC, |
Varshit B Pandya | e7d3a1a | 2022-03-20 20:39:51 +0530 | [diff] [blame] | 18 | DPTF_GENERIC_PARTICIPANT_TYPE_POWER = 0x11, |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 19 | }; |
| 20 | |
| 21 | #define DEFAULT_CHARGER_STR "Battery Charger" |
Sumeet Pawnikar | e0bff81 | 2021-09-23 21:49:29 +0530 | [diff] [blame] | 22 | #define DEFAULT_TPCH_STR "Intel PCH FIVR Participant" |
Varshit B Pandya | e7d3a1a | 2022-03-20 20:39:51 +0530 | [diff] [blame] | 23 | #define DEFAULT_POWER_STR "Power Participant" |
Varshit B Pandya | 170a76c | 2022-04-02 15:11:36 +0530 | [diff] [blame] | 24 | #define DEFAULT_BATTERY_STR "Battery Participant" |
Sumeet Pawnikar | e0bff81 | 2021-09-23 21:49:29 +0530 | [diff] [blame] | 25 | |
| 26 | #define PMC_IPC_COMMAND_FIVR_SIZE 0x8 |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 27 | |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 28 | /* |
| 29 | * Helper method to determine if a device is "used" (called out anywhere as a source or a target |
| 30 | * of any policies, and therefore should be included in the ACPI tables. |
| 31 | */ |
| 32 | static bool is_participant_used(const struct drivers_intel_dptf_config *config, |
| 33 | enum dptf_participant participant) |
| 34 | { |
Tim Wawrzynczak | c41f7f1 | 2020-05-29 13:56:37 -0600 | [diff] [blame] | 35 | int i; |
| 36 | |
| 37 | /* Active? */ |
| 38 | for (i = 0; i < DPTF_MAX_ACTIVE_POLICIES; ++i) |
| 39 | if (config->policies.active[i].target == participant) |
| 40 | return true; |
| 41 | |
Tim Wawrzynczak | 7eb1136 | 2020-05-29 14:10:53 -0600 | [diff] [blame] | 42 | /* Passive? */ |
| 43 | for (i = 0; i < DPTF_MAX_PASSIVE_POLICIES; ++i) |
| 44 | if (config->policies.passive[i].source == participant || |
| 45 | config->policies.passive[i].target == participant) |
| 46 | return true; |
| 47 | |
Tim Wawrzynczak | 3a9cde9 | 2020-05-29 14:19:15 -0600 | [diff] [blame] | 48 | /* Critical? */ |
| 49 | for (i = 0; i < DPTF_MAX_CRITICAL_POLICIES; ++i) |
| 50 | if (config->policies.critical[i].source == participant) |
| 51 | return true; |
| 52 | |
Tim Wawrzynczak | c41f7f1 | 2020-05-29 13:56:37 -0600 | [diff] [blame] | 53 | /* Check fan as well (its use is implicit in the Active policy) */ |
| 54 | if (participant == DPTF_FAN && config->policies.active[0].target != DPTF_NONE) |
| 55 | return true; |
| 56 | |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 57 | return false; |
| 58 | } |
| 59 | |
Tim Wawrzynczak | 103bd5e | 2020-05-29 13:11:00 -0600 | [diff] [blame] | 60 | static const char *dptf_acpi_name(const struct device *dev) |
| 61 | { |
| 62 | return "DPTF"; |
| 63 | } |
| 64 | |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 65 | static int get_STA_value(const struct drivers_intel_dptf_config *config, |
| 66 | enum dptf_participant participant) |
| 67 | { |
| 68 | return is_participant_used(config, participant) ? |
| 69 | ACPI_STATUS_DEVICE_ALL_ON : |
| 70 | ACPI_STATUS_DEVICE_ALL_OFF; |
| 71 | } |
| 72 | |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 73 | static void dptf_write_hid(bool is_eisa, const char *hid) |
| 74 | { |
| 75 | if (is_eisa) |
| 76 | acpigen_emit_eisaid(hid); |
| 77 | else |
| 78 | acpigen_write_string(hid); |
| 79 | } |
| 80 | |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 81 | /* Devices with GENERIC _HID (distinguished by PTYP) */ |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 82 | static void dptf_write_generic_participant(const char *name, |
| 83 | enum dptf_generic_participant_type ptype, |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 84 | const char *str, int sta_val, |
| 85 | const struct dptf_platform_info *platform_info) |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 86 | { |
| 87 | /* Auto-incrementing UID for generic participants */ |
| 88 | static int generic_uid = 0; |
| 89 | |
| 90 | acpigen_write_device(name); |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 91 | acpigen_write_name("_HID"); |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 92 | dptf_write_hid(platform_info->use_eisa_hids, platform_info->generic_hid); |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 93 | |
| 94 | acpigen_write_name_integer("_UID", generic_uid++); |
| 95 | acpigen_write_STA(sta_val); |
| 96 | |
| 97 | if (str) |
| 98 | acpigen_write_name_string("_STR", str); |
| 99 | |
| 100 | acpigen_write_name_integer("PTYP", ptype); |
| 101 | |
| 102 | acpigen_pop_len(); /* Device */ |
| 103 | } |
| 104 | |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 105 | /* \_SB.PCI0.TCPU */ |
| 106 | static void write_tcpu(const struct device *pci_dev, |
| 107 | const struct drivers_intel_dptf_config *config) |
Tim Wawrzynczak | 103bd5e | 2020-05-29 13:11:00 -0600 | [diff] [blame] | 108 | { |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 109 | /* DPTF CPU device - \_SB.PCI0.TCPU */ |
| 110 | acpigen_write_scope(TCPU_SCOPE); |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 111 | acpigen_write_device("TCPU"); |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 112 | acpigen_write_ADR_pci_device(pci_dev); |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 113 | acpigen_write_STA(get_STA_value(config, DPTF_CPU)); |
| 114 | acpigen_pop_len(); /* Device */ |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 115 | acpigen_pop_len(); /* TCPU Scope */ |
| 116 | } |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 117 | |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 118 | /* \_SB.DPTF.TFN1 */ |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 119 | static void write_fan(const struct drivers_intel_dptf_config *config, |
| 120 | const struct dptf_platform_info *platform_info) |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 121 | { |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 122 | acpigen_write_device("TFN1"); |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 123 | acpigen_write_name("_HID"); |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 124 | dptf_write_hid(platform_info->use_eisa_hids, platform_info->fan_hid); |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 125 | acpigen_write_name_integer("_UID", 0); |
| 126 | acpigen_write_STA(get_STA_value(config, DPTF_FAN)); |
| 127 | acpigen_pop_len(); /* Device */ |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 128 | } |
| 129 | |
Sumeet R Pawnikar | 3657187 | 2021-05-11 20:05:20 +0530 | [diff] [blame] | 130 | /* \_SB.DPTF */ |
Sumeet Pawnikar | f96aa7a | 2021-07-05 21:09:53 +0530 | [diff] [blame] | 131 | static void write_imok(void) |
| 132 | { |
| 133 | acpigen_write_method("IMOK", 1); |
| 134 | /* Return (Arg0) */ |
| 135 | acpigen_emit_byte(RETURN_OP); |
| 136 | acpigen_emit_byte(ARG0_OP); |
| 137 | acpigen_write_method_end(); |
| 138 | } |
| 139 | /* \_SB.DPTF */ |
Sumeet R Pawnikar | 3657187 | 2021-05-11 20:05:20 +0530 | [diff] [blame] | 140 | static void write_oem_variables(const struct drivers_intel_dptf_config *config) |
| 141 | { |
| 142 | int i; |
| 143 | |
| 144 | acpigen_write_name("ODVX"); |
| 145 | acpigen_write_package(DPTF_OEM_VARIABLE_COUNT); |
| 146 | for (i = 0; i < DPTF_OEM_VARIABLE_COUNT; i++) |
| 147 | acpigen_write_dword(config->oem_data.oem_variables[i]); |
| 148 | acpigen_write_package_end(); |
| 149 | |
| 150 | /* |
| 151 | * Method (ODUP, 2) |
| 152 | * Arg0 = Index of ODVX to update |
| 153 | * Arg1 = Value to place in ODVX[Arg0] |
| 154 | */ |
| 155 | acpigen_write_method_serialized("ODUP", 2); |
| 156 | /* ODVX[Arg0] = Arg1 */ |
| 157 | acpigen_write_store(); |
| 158 | acpigen_emit_byte(ARG1_OP); |
| 159 | acpigen_emit_byte(INDEX_OP); |
| 160 | acpigen_emit_namestring("ODVX"); |
| 161 | acpigen_emit_byte(ARG0_OP); |
| 162 | acpigen_emit_byte(ZERO_OP); /* Ignore Index() Destination */ |
| 163 | acpigen_write_method_end(); |
| 164 | |
| 165 | /* |
| 166 | * Method (ODGT, 1) |
| 167 | * Arg0 = Index of ODVX to get |
| 168 | */ |
| 169 | acpigen_write_method_serialized("ODGT", 1); |
| 170 | /* Return (ODVX[Arg0]) */ |
| 171 | acpigen_emit_byte(RETURN_OP); |
| 172 | acpigen_emit_byte(DEREF_OP); |
| 173 | acpigen_emit_byte(INDEX_OP); |
| 174 | acpigen_emit_namestring("ODVX"); |
| 175 | acpigen_emit_byte(ARG0_OP); |
| 176 | acpigen_emit_byte(ZERO_OP); /* Ignore Index() Destination */ |
| 177 | acpigen_write_method_end(); |
| 178 | |
| 179 | /* Method (ODVP) { Return (ODVX) } */ |
| 180 | acpigen_write_method_serialized("ODVP", 0); |
| 181 | acpigen_emit_byte(RETURN_OP); |
| 182 | acpigen_emit_namestring("ODVX"); |
| 183 | acpigen_write_method_end(); |
| 184 | } |
| 185 | |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 186 | /* \_SB.DPTF.xxxx */ |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 187 | static void write_generic_devices(const struct drivers_intel_dptf_config *config, |
| 188 | const struct dptf_platform_info *platform_info) |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 189 | { |
| 190 | enum dptf_participant participant; |
| 191 | char name[ACPI_NAME_BUFFER_SIZE]; |
| 192 | int i; |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 193 | |
| 194 | dptf_write_generic_participant("TCHG", DPTF_GENERIC_PARTICIPANT_TYPE_CHARGER, |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 195 | DEFAULT_CHARGER_STR, |
| 196 | get_STA_value(config, DPTF_CHARGER), |
| 197 | platform_info); |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 198 | |
Tim Wawrzynczak | 40713aa | 2021-11-24 09:18:44 -0700 | [diff] [blame] | 199 | for (i = 0, participant = DPTF_TEMP_SENSOR_0; i < DPTF_MAX_TSR; ++i, ++participant) { |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 200 | snprintf(name, sizeof(name), "TSR%1d", i); |
| 201 | dptf_write_generic_participant(name, DPTF_GENERIC_PARTICIPANT_TYPE_TSR, |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 202 | NULL, get_STA_value(config, participant), |
| 203 | platform_info); |
Tim Wawrzynczak | ff2f6b2 | 2020-05-29 13:24:03 -0600 | [diff] [blame] | 204 | } |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 205 | } |
Tim Wawrzynczak | 103bd5e | 2020-05-29 13:11:00 -0600 | [diff] [blame] | 206 | |
Sumeet Pawnikar | e0bff81 | 2021-09-23 21:49:29 +0530 | [diff] [blame] | 207 | static const char *get_pmc_ipcs_method(void) |
| 208 | { |
| 209 | const char *method = acpi_device_path_join( |
| 210 | pcidev_path_on_root(PCH_DEVFN_PMC), "IPCS"); |
| 211 | if (!method) { |
| 212 | printk(BIOS_ERR, "%s: Unable to find PMC device IPCS method\n", __func__); |
| 213 | return NULL; |
| 214 | } |
| 215 | return method; |
| 216 | } |
| 217 | |
| 218 | static void write_tpch_write_method(const char *tpch_write_method_name, |
Sumeet Pawnikar | a91d931 | 2021-08-30 23:19:38 +0530 | [diff] [blame] | 219 | unsigned int ipc_subcmd_ctrl_value) |
| 220 | { |
Sumeet Pawnikar | e0bff81 | 2021-09-23 21:49:29 +0530 | [diff] [blame] | 221 | /* Get IPCS method from the PMC device */ |
| 222 | const char *ipcs = get_pmc_ipcs_method(); |
| 223 | acpigen_write_method_serialized(tpch_write_method_name, 1); |
| 224 | acpigen_emit_namestring(ipcs); |
Sumeet Pawnikar | a91d931 | 2021-08-30 23:19:38 +0530 | [diff] [blame] | 225 | acpigen_write_integer(PMC_IPC_CMD_COMMAND_FIVR); |
| 226 | acpigen_write_integer(PMC_IPC_CMD_CMD_ID_FIVR_WRITE); |
Sumeet Pawnikar | e0bff81 | 2021-09-23 21:49:29 +0530 | [diff] [blame] | 227 | acpigen_write_integer(PMC_IPC_COMMAND_FIVR_SIZE); |
Sumeet Pawnikar | a91d931 | 2021-08-30 23:19:38 +0530 | [diff] [blame] | 228 | acpigen_write_integer(ipc_subcmd_ctrl_value); |
| 229 | acpigen_emit_byte(ARG0_OP); |
Sumeet Pawnikar | e0bff81 | 2021-09-23 21:49:29 +0530 | [diff] [blame] | 230 | acpigen_write_zero(); |
| 231 | acpigen_write_zero(); |
Sumeet Pawnikar | a91d931 | 2021-08-30 23:19:38 +0530 | [diff] [blame] | 232 | /* The reason for returning a value here is a W/A for the ESIF shell */ |
| 233 | acpigen_emit_byte(RETURN_OP); |
Sumeet Pawnikar | 7c1ce19 | 2021-10-07 18:00:57 +0530 | [diff] [blame] | 234 | acpigen_write_package(1); |
| 235 | acpigen_write_zero(); |
Sumeet Pawnikar | a91d931 | 2021-08-30 23:19:38 +0530 | [diff] [blame] | 236 | acpigen_write_package_end(); |
| 237 | acpigen_write_method_end(); |
| 238 | } |
| 239 | |
Sumeet Pawnikar | e0bff81 | 2021-09-23 21:49:29 +0530 | [diff] [blame] | 240 | static void write_ppkg_package(const uint8_t i) |
| 241 | { |
| 242 | acpigen_write_store(); |
| 243 | acpigen_emit_byte(DEREF_OP); |
| 244 | acpigen_emit_byte(INDEX_OP); |
| 245 | acpigen_emit_byte(ARG0_OP); |
| 246 | acpigen_write_integer(i); |
| 247 | acpigen_emit_byte(ZERO_OP); |
| 248 | acpigen_emit_byte(INDEX_OP); |
| 249 | acpigen_emit_namestring("PPKG"); |
| 250 | acpigen_write_integer(i); |
| 251 | acpigen_emit_byte(ZERO_OP); |
| 252 | } |
| 253 | |
| 254 | /* |
| 255 | * Truncate Package received from IPC |
| 256 | * Arguments: |
| 257 | * Arg0: Package returned from the IPCS read call from the Pmc |
| 258 | * Return Value: |
| 259 | * Return Package with just the Status and ReadBuf0 |
| 260 | * Status returns 0 for success and 2 for device error |
| 261 | */ |
| 262 | static void write_pkgc_method(void) |
| 263 | { |
| 264 | acpigen_write_method_serialized("PKGC", 1); |
| 265 | acpigen_write_name("PPKG"); |
| 266 | acpigen_write_package(2); |
| 267 | acpigen_write_zero(); |
| 268 | acpigen_write_zero(); |
| 269 | acpigen_write_package_end(); |
| 270 | |
| 271 | write_ppkg_package(0); |
| 272 | write_ppkg_package(1); |
| 273 | |
| 274 | acpigen_write_return_namestr("PPKG"); |
| 275 | acpigen_write_method_end(); |
| 276 | } |
| 277 | |
| 278 | static void write_tpch_read_method(const char *tpch_read_method_name, |
| 279 | unsigned int ipc_subcmd_ctrl_value) |
| 280 | { |
| 281 | /* Get IPCS method from the PMC device */ |
| 282 | const char *ipcs = get_pmc_ipcs_method(); |
| 283 | acpigen_write_method_serialized(tpch_read_method_name, 0); |
| 284 | acpigen_write_store(); |
| 285 | acpigen_emit_namestring(ipcs); |
| 286 | acpigen_write_integer(PMC_IPC_CMD_COMMAND_FIVR); |
| 287 | acpigen_write_integer(PMC_IPC_CMD_CMD_ID_FIVR_READ); |
| 288 | acpigen_write_integer(PMC_IPC_COMMAND_FIVR_SIZE); |
| 289 | acpigen_write_integer(ipc_subcmd_ctrl_value); |
| 290 | acpigen_write_zero(); |
| 291 | acpigen_write_zero(); |
| 292 | acpigen_write_zero(); |
| 293 | acpigen_emit_byte(LOCAL0_OP); |
| 294 | |
| 295 | acpigen_write_store(); |
| 296 | acpigen_emit_namestring("PKGC"); |
| 297 | acpigen_emit_byte(LOCAL0_OP); |
| 298 | acpigen_emit_byte(LOCAL1_OP); |
| 299 | |
| 300 | acpigen_emit_byte(RETURN_OP); |
| 301 | acpigen_emit_byte(LOCAL1_OP); |
| 302 | acpigen_write_method_end(); |
| 303 | } |
| 304 | |
Sumeet Pawnikar | a91d931 | 2021-08-30 23:19:38 +0530 | [diff] [blame] | 305 | static void write_create_tpch(const struct dptf_platform_info *platform_info) |
| 306 | { |
| 307 | acpigen_write_device("TPCH"); |
| 308 | acpigen_write_name("_HID"); |
| 309 | dptf_write_hid(platform_info->use_eisa_hids, platform_info->tpch_device_hid); |
Sumeet Pawnikar | e0bff81 | 2021-09-23 21:49:29 +0530 | [diff] [blame] | 310 | acpigen_write_name_string("_STR", DEFAULT_TPCH_STR); |
| 311 | acpigen_write_name_integer("PTYP", DPTF_GENERIC_PARTICIPANT_TYPE_TPCH); |
Sumeet Pawnikar | a91d931 | 2021-08-30 23:19:38 +0530 | [diff] [blame] | 312 | acpigen_write_STA(ACPI_STATUS_DEVICE_ALL_ON); |
| 313 | } |
| 314 | |
| 315 | static void write_tpch_methods(const struct dptf_platform_info *platform_info) |
| 316 | { |
| 317 | write_create_tpch(platform_info); |
| 318 | |
Sumeet Pawnikar | e0bff81 | 2021-09-23 21:49:29 +0530 | [diff] [blame] | 319 | const struct { |
| 320 | enum { READ, WRITE } type; |
| 321 | const char *method_name; |
| 322 | unsigned int subcommand; |
| 323 | } tpch_methods[] = { |
| 324 | { .type = WRITE, |
| 325 | .method_name = |
| 326 | platform_info->tpch_method_names.set_fivr_low_clock_method, |
| 327 | .subcommand = PMC_IPC_SUBCMD_RFI_CTRL0_LOGIC |
| 328 | }, |
| 329 | { .type = WRITE, |
| 330 | .method_name = |
| 331 | platform_info->tpch_method_names.set_fivr_high_clock_method, |
| 332 | .subcommand = PMC_IPC_SUBCMD_RFI_CTRL4_LOGIC |
| 333 | }, |
| 334 | { .type = READ, |
| 335 | .method_name = |
| 336 | platform_info->tpch_method_names.get_fivr_low_clock_method, |
| 337 | .subcommand = PMC_IPC_SUBCMD_RFI_CTRL0_LOGIC |
| 338 | }, |
| 339 | { .type = READ, |
| 340 | .method_name = |
| 341 | platform_info->tpch_method_names.get_fivr_high_clock_method, |
| 342 | .subcommand = PMC_IPC_SUBCMD_RFI_CTRL4_LOGIC |
| 343 | }, |
| 344 | { .type = READ, |
| 345 | .method_name = |
| 346 | platform_info->tpch_method_names.get_fivr_ssc_method, |
| 347 | .subcommand = PMC_IPC_SUBCMD_EMI_CTRL0_LOGIC |
| 348 | }, |
| 349 | { .type = READ, |
| 350 | .method_name = |
| 351 | platform_info->tpch_method_names.get_fivr_switching_fault_status, |
| 352 | .subcommand = PMC_IPC_SUBCMD_FFFC_FAULT_STATUS |
| 353 | }, |
| 354 | { .type = READ, |
| 355 | .method_name = |
| 356 | platform_info->tpch_method_names.get_fivr_switching_freq_mhz, |
| 357 | .subcommand = PMC_IPC_SUBCMD_FFFC_RFI_STATUS |
| 358 | }, |
| 359 | }; |
| 360 | |
| 361 | write_pkgc_method(); |
| 362 | for (size_t i = 0; i < ARRAY_SIZE(tpch_methods); i++) { |
| 363 | if (tpch_methods[i].type == READ) { |
| 364 | write_tpch_read_method(tpch_methods[i].method_name, |
| 365 | tpch_methods[i].subcommand); |
| 366 | } else if (tpch_methods[i].type == WRITE) { |
| 367 | write_tpch_write_method(tpch_methods[i].method_name, |
| 368 | tpch_methods[i].subcommand); |
| 369 | } |
| 370 | } |
Sumeet Pawnikar | a91d931 | 2021-08-30 23:19:38 +0530 | [diff] [blame] | 371 | |
| 372 | acpigen_write_device_end(); /* TPCH Device */ |
| 373 | } |
| 374 | |
Varshit B Pandya | 282b3b6 | 2022-04-18 14:50:30 +0530 | [diff] [blame] | 375 | static void write_create_tpwr(const struct drivers_intel_dptf_config *config, |
| 376 | const struct dptf_platform_info *platform_info) |
Varshit B Pandya | e7d3a1a | 2022-03-20 20:39:51 +0530 | [diff] [blame] | 377 | { |
| 378 | acpigen_write_device("TPWR"); |
| 379 | acpigen_write_name("_HID"); |
| 380 | if (platform_info->tpwr_device_hid != NULL) |
| 381 | dptf_write_hid(platform_info->use_eisa_hids, platform_info->tpwr_device_hid); |
| 382 | acpigen_write_name_string("_UID", "TPWR"); |
| 383 | acpigen_write_name_string("_STR", DEFAULT_POWER_STR); |
| 384 | acpigen_write_name_integer("PTYP", DPTF_GENERIC_PARTICIPANT_TYPE_POWER); |
| 385 | acpigen_write_STA(ACPI_STATUS_DEVICE_ALL_ON); |
Varshit B Pandya | 282b3b6 | 2022-04-18 14:50:30 +0530 | [diff] [blame] | 386 | |
| 387 | /* PROP method */ |
| 388 | if(config->prop != 0) { |
| 389 | acpigen_write_method_serialized("PROP", 0); |
| 390 | acpigen_emit_byte(RETURN_OP); |
| 391 | acpigen_write_integer(config->prop); |
| 392 | acpigen_pop_len(); /* Method PROP */ |
| 393 | } |
Varshit B Pandya | e7d3a1a | 2022-03-20 20:39:51 +0530 | [diff] [blame] | 394 | acpigen_write_device_end(); /* TPWR Power Participant Device */ |
| 395 | } |
| 396 | |
Varshit B Pandya | 282b3b6 | 2022-04-18 14:50:30 +0530 | [diff] [blame] | 397 | static void write_tpwr_methods(const struct drivers_intel_dptf_config *config, |
| 398 | const struct dptf_platform_info *platform_info) |
Varshit B Pandya | e7d3a1a | 2022-03-20 20:39:51 +0530 | [diff] [blame] | 399 | { |
Varshit B Pandya | 282b3b6 | 2022-04-18 14:50:30 +0530 | [diff] [blame] | 400 | write_create_tpwr(config, platform_info); |
Varshit B Pandya | e7d3a1a | 2022-03-20 20:39:51 +0530 | [diff] [blame] | 401 | } |
| 402 | |
Varshit B Pandya | 170a76c | 2022-04-02 15:11:36 +0530 | [diff] [blame] | 403 | static void write_create_tbat(const struct dptf_platform_info *platform_info) |
| 404 | { |
| 405 | acpigen_write_device("TBAT"); |
| 406 | acpigen_write_name("_HID"); |
| 407 | if (platform_info->tbat_device_hid != NULL) |
| 408 | dptf_write_hid(platform_info->use_eisa_hids, platform_info->tbat_device_hid); |
| 409 | acpigen_write_name_string("_UID", "TBAT"); |
| 410 | acpigen_write_name_string("_STR", DEFAULT_BATTERY_STR); |
| 411 | acpigen_write_name_integer("PTYP", DPTF_GENERIC_PARTICIPANT_TYPE_BATTERY); |
| 412 | acpigen_write_STA(ACPI_STATUS_DEVICE_ALL_ON); |
| 413 | acpigen_write_device_end(); /* TBAT Battery Participant Device */ |
| 414 | } |
| 415 | |
| 416 | |
| 417 | static void write_tbat_methods(const struct dptf_platform_info *platform_info) |
| 418 | { |
| 419 | write_create_tbat(platform_info); |
| 420 | } |
| 421 | |
| 422 | |
Sumeet Pawnikar | a91d931 | 2021-08-30 23:19:38 +0530 | [diff] [blame] | 423 | /* \_SB.DPTF - note: leaves the Scope open for child devices */ |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 424 | static void write_open_dptf_device(const struct device *dev, |
| 425 | const struct dptf_platform_info *platform_info) |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 426 | { |
| 427 | acpigen_write_scope("\\_SB"); |
| 428 | acpigen_write_device(acpi_device_name(dev)); |
| 429 | acpigen_write_name("_HID"); |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 430 | dptf_write_hid(platform_info->use_eisa_hids, platform_info->dptf_device_hid); |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 431 | acpigen_write_name_integer("_UID", 0); |
| 432 | acpigen_write_STA(ACPI_STATUS_DEVICE_ALL_ON); |
| 433 | } |
| 434 | |
| 435 | /* Add minimal definitions of DPTF devices into the SSDT */ |
| 436 | static void write_device_definitions(const struct device *dev) |
| 437 | { |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 438 | const struct dptf_platform_info *platform_info = get_dptf_platform_info(); |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 439 | const struct drivers_intel_dptf_config *config; |
| 440 | struct device *parent; |
| 441 | |
| 442 | /* The CPU device gets an _ADR that matches the ACPI PCI address for 00:04.00 */ |
| 443 | parent = dev && dev->bus ? dev->bus->dev : NULL; |
| 444 | if (!parent || parent->path.type != DEVICE_PATH_PCI) { |
| 445 | printk(BIOS_ERR, "%s: DPTF objects must live under 00:04.0 PCI device\n", |
| 446 | __func__); |
| 447 | return; |
| 448 | } |
| 449 | |
| 450 | config = config_of(dev); |
| 451 | write_tcpu(parent, config); |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 452 | write_open_dptf_device(dev, platform_info); |
| 453 | write_fan(config, platform_info); |
Sumeet R Pawnikar | 3657187 | 2021-05-11 20:05:20 +0530 | [diff] [blame] | 454 | write_oem_variables(config); |
Sumeet Pawnikar | f96aa7a | 2021-07-05 21:09:53 +0530 | [diff] [blame] | 455 | write_imok(); |
Tim Wawrzynczak | 7f7c388 | 2021-04-09 12:15:21 -0600 | [diff] [blame] | 456 | write_generic_devices(config, platform_info); |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 457 | |
Sumeet Pawnikar | a91d931 | 2021-08-30 23:19:38 +0530 | [diff] [blame] | 458 | if (CONFIG(DRIVERS_INTEL_DPTF_SUPPORTS_TPCH)) |
| 459 | write_tpch_methods(platform_info); |
| 460 | |
Varshit B Pandya | e7d3a1a | 2022-03-20 20:39:51 +0530 | [diff] [blame] | 461 | if (CONFIG(DRIVERS_INTEL_DPTF_SUPPORTS_TPWR)) |
Varshit B Pandya | 282b3b6 | 2022-04-18 14:50:30 +0530 | [diff] [blame] | 462 | write_tpwr_methods(config, platform_info); |
Varshit B Pandya | e7d3a1a | 2022-03-20 20:39:51 +0530 | [diff] [blame] | 463 | |
Varshit B Pandya | 170a76c | 2022-04-02 15:11:36 +0530 | [diff] [blame] | 464 | if (CONFIG(DRIVERS_INTEL_DPTF_SUPPORTS_TBAT)) |
| 465 | write_tbat_methods(platform_info); |
| 466 | |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 467 | acpigen_pop_len(); /* DPTF Device (write_open_dptf_device) */ |
Tim Wawrzynczak | 103bd5e | 2020-05-29 13:11:00 -0600 | [diff] [blame] | 468 | acpigen_pop_len(); /* Scope */ |
| 469 | } |
| 470 | |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 471 | /* Emites policy definitions for each policy type */ |
| 472 | static void write_policies(const struct drivers_intel_dptf_config *config) |
| 473 | { |
| 474 | dptf_write_enabled_policies(config->policies.active, DPTF_MAX_ACTIVE_POLICIES, |
| 475 | config->policies.passive, DPTF_MAX_PASSIVE_POLICIES, |
| 476 | config->policies.critical, DPTF_MAX_CRITICAL_POLICIES); |
| 477 | |
| 478 | dptf_write_active_policies(config->policies.active, |
| 479 | DPTF_MAX_ACTIVE_POLICIES); |
| 480 | |
| 481 | dptf_write_passive_policies(config->policies.passive, |
| 482 | DPTF_MAX_PASSIVE_POLICIES); |
| 483 | |
| 484 | dptf_write_critical_policies(config->policies.critical, |
| 485 | DPTF_MAX_CRITICAL_POLICIES); |
| 486 | } |
| 487 | |
| 488 | /* Writes other static tables that are used by DPTF */ |
| 489 | static void write_controls(const struct drivers_intel_dptf_config *config) |
| 490 | { |
| 491 | dptf_write_charger_perf(config->controls.charger_perf, DPTF_MAX_CHARGER_PERF_STATES); |
| 492 | dptf_write_fan_perf(config->controls.fan_perf, DPTF_MAX_FAN_PERF_STATES); |
| 493 | dptf_write_power_limits(&config->controls.power_limits); |
| 494 | } |
| 495 | |
| 496 | /* Options to control the behavior of devices */ |
| 497 | static void write_options(const struct drivers_intel_dptf_config *config) |
| 498 | { |
| 499 | enum dptf_participant p; |
| 500 | int i; |
| 501 | |
| 502 | /* Fan options */ |
Tim Wawrzynczak | 3a658ad | 2020-07-24 18:58:24 -0600 | [diff] [blame] | 503 | dptf_write_scope(DPTF_FAN); |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 504 | dptf_write_fan_options(config->options.fan.fine_grained_control, |
| 505 | config->options.fan.step_size, |
| 506 | config->options.fan.low_speed_notify); |
Tim Wawrzynczak | 3a658ad | 2020-07-24 18:58:24 -0600 | [diff] [blame] | 507 | acpigen_pop_len(); /* Scope */ |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 508 | |
| 509 | /* TSR options */ |
Tim Wawrzynczak | 40713aa | 2021-11-24 09:18:44 -0700 | [diff] [blame] | 510 | for (p = DPTF_TEMP_SENSOR_0, i = 0; p <= DPTF_TEMP_SENSOR_4; ++p, ++i) { |
Tim Wawrzynczak | c6a593b | 2020-07-14 13:19:03 -0600 | [diff] [blame] | 511 | if (is_participant_used(config, p) && (config->options.tsr[i].hysteresis || |
| 512 | config->options.tsr[i].desc)) { |
| 513 | dptf_write_scope(p); |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 514 | dptf_write_tsr_hysteresis(config->options.tsr[i].hysteresis); |
| 515 | dptf_write_STR(config->options.tsr[i].desc); |
Tim Wawrzynczak | c6a593b | 2020-07-14 13:19:03 -0600 | [diff] [blame] | 516 | acpigen_pop_len(); /* Scope */ |
Tim Wawrzynczak | 5212ece6 | 2020-07-16 11:54:04 -0600 | [diff] [blame] | 517 | } |
| 518 | } |
| 519 | } |
| 520 | |
| 521 | /* Add custom tables and methods to SSDT */ |
| 522 | static void dptf_fill_ssdt(const struct device *dev) |
| 523 | { |
| 524 | struct drivers_intel_dptf_config *config = config_of(dev); |
| 525 | |
| 526 | write_device_definitions(dev); |
| 527 | write_policies(config); |
| 528 | write_controls(config); |
| 529 | write_options(config); |
| 530 | |
| 531 | printk(BIOS_INFO, DPTF_DEVICE_PATH ": %s at %s\n", dev->chip_ops->name, dev_path(dev)); |
| 532 | } |
| 533 | |
Tim Wawrzynczak | 103bd5e | 2020-05-29 13:11:00 -0600 | [diff] [blame] | 534 | static struct device_operations dptf_ops = { |
| 535 | .read_resources = noop_read_resources, |
| 536 | .set_resources = noop_set_resources, |
| 537 | .acpi_name = dptf_acpi_name, |
| 538 | .acpi_fill_ssdt = dptf_fill_ssdt, |
Tim Wawrzynczak | 103bd5e | 2020-05-29 13:11:00 -0600 | [diff] [blame] | 539 | }; |
| 540 | |
| 541 | static void dptf_enable_dev(struct device *dev) |
| 542 | { |
| 543 | dev->ops = &dptf_ops; |
| 544 | } |
| 545 | |
| 546 | struct chip_operations drivers_intel_dptf_ops = { |
| 547 | CHIP_NAME("Intel DPTF") |
| 548 | .enable_dev = dptf_enable_dev, |
| 549 | }; |