Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Copyright (C) 2020, Linaro Limited |
| 4 | */ |
| 5 | |
Patrick Delaunay | 5dd84d4 | 2021-02-24 11:19:44 +0100 | [diff] [blame] | 6 | #define LOG_CATEGORY UCLASS_SCMI_AGENT |
| 7 | |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 8 | #include <dm.h> |
| 9 | #include <malloc.h> |
| 10 | #include <scmi_agent.h> |
| 11 | #include <scmi_agent-uclass.h> |
| 12 | #include <scmi_protocols.h> |
| 13 | #include <asm/io.h> |
| 14 | #include <asm/scmi_test.h> |
| 15 | #include <dm/device_compat.h> |
AKASHI Takahiro | 4b9839a | 2023-10-11 19:07:02 +0900 | [diff] [blame] | 16 | #include <linux/bitfield.h> |
| 17 | #include <linux/kernel.h> |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 18 | |
| 19 | /* |
| 20 | * The sandbox SCMI agent driver simulates to some extend a SCMI message |
| 21 | * processing. It simulates few of the SCMI services for some of the |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 22 | * SCMI protocols embedded in U-Boot. Currently: |
AKASHI Takahiro | 4b9839a | 2023-10-11 19:07:02 +0900 | [diff] [blame] | 23 | * - SCMI base protocol |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 24 | * - SCMI clock protocol emulates an agent exposing 2 clocks |
| 25 | * - SCMI reset protocol emulates an agent exposing a reset controller |
| 26 | * - SCMI voltage domain protocol emulates an agent exposing 2 regulators |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 27 | * |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 28 | * As per DT bindings, the device node name shall be scmi. |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 29 | * |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 30 | * All clocks and regulators are default disabled and reset controller down. |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 31 | * |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 32 | * This driver exports sandbox_scmi_service_ctx() for the test sequence to |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 33 | * get the state of the simulated services (clock state, rate, ...) and |
| 34 | * check back-end device state reflects the request send through the |
Etienne Carriere | 8b9b689 | 2020-09-09 18:44:07 +0200 | [diff] [blame] | 35 | * various uclass devices, as clocks and reset controllers. |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 36 | */ |
| 37 | |
AKASHI Takahiro | 4b9839a | 2023-10-11 19:07:02 +0900 | [diff] [blame] | 38 | #define SANDBOX_SCMI_BASE_PROTOCOL_VERSION SCMI_BASE_PROTOCOL_VERSION |
| 39 | #define SANDBOX_SCMI_VENDOR "U-Boot" |
| 40 | #define SANDBOX_SCMI_SUB_VENDOR "Sandbox" |
| 41 | #define SANDBOX_SCMI_IMPL_VERSION 0x1 |
| 42 | #define SANDBOX_SCMI_AGENT_NAME "OSPM" |
| 43 | #define SANDBOX_SCMI_PLATFORM_NAME "platform" |
| 44 | |
AKASHI Takahiro | 535a7bd | 2023-10-16 14:39:45 +0900 | [diff] [blame] | 45 | #define SANDBOX_SCMI_PWD_PROTOCOL_VERSION SCMI_PWD_PROTOCOL_VERSION |
| 46 | |
AKASHI Takahiro | 6221bf7 | 2023-10-11 19:06:56 +0900 | [diff] [blame] | 47 | /** |
| 48 | * struct sandbox_channel - Description of sandbox transport |
| 49 | * @channel_id: Channel identifier |
| 50 | * |
| 51 | * Dummy channel. This will be used to test if a protocol-specific |
| 52 | * channel is properly used. |
| 53 | * Id 0 means a channel for the sandbox agent. |
| 54 | */ |
| 55 | struct sandbox_channel { |
| 56 | unsigned int channel_id; |
| 57 | }; |
| 58 | |
| 59 | /** |
| 60 | * struct scmi_channel - Channel instance referenced in SCMI drivers |
| 61 | * @ref: Reference to local channel instance |
| 62 | **/ |
| 63 | struct scmi_channel { |
| 64 | struct sandbox_channel ref; |
| 65 | }; |
| 66 | |
AKASHI Takahiro | 4b9839a | 2023-10-11 19:07:02 +0900 | [diff] [blame] | 67 | static u8 protocols[] = { |
AKASHI Takahiro | 59171ff | 2023-11-14 11:14:25 +0900 | [diff] [blame] | 68 | CONFIG_IS_ENABLED(SCMI_POWER_DOMAIN, (SCMI_PROTOCOL_ID_POWER_DOMAIN,)) |
| 69 | CONFIG_IS_ENABLED(CLK_SCMI, (SCMI_PROTOCOL_ID_CLOCK,)) |
| 70 | CONFIG_IS_ENABLED(RESET_SCMI, (SCMI_PROTOCOL_ID_RESET_DOMAIN,)) |
| 71 | CONFIG_IS_ENABLED(DM_REGULATOR_SCMI, (SCMI_PROTOCOL_ID_VOLTAGE_DOMAIN,)) |
AKASHI Takahiro | 4b9839a | 2023-10-11 19:07:02 +0900 | [diff] [blame] | 72 | }; |
| 73 | |
| 74 | #define NUM_PROTOCOLS ARRAY_SIZE(protocols) |
| 75 | |
AKASHI Takahiro | 535a7bd | 2023-10-16 14:39:45 +0900 | [diff] [blame] | 76 | static struct sandbox_scmi_pwd scmi_pwdom[] = { |
| 77 | { .id = 0 }, |
| 78 | { .id = 1 }, |
| 79 | { .id = 2 }, |
| 80 | }; |
| 81 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 82 | static struct sandbox_scmi_clk scmi_clk[] = { |
Etienne Carriere | bf1f132 | 2022-02-21 09:22:41 +0100 | [diff] [blame] | 83 | { .rate = 333 }, |
| 84 | { .rate = 200 }, |
| 85 | { .rate = 1000 }, |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 86 | }; |
| 87 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 88 | static struct sandbox_scmi_reset scmi_reset[] = { |
Etienne Carriere | 8b9b689 | 2020-09-09 18:44:07 +0200 | [diff] [blame] | 89 | { .id = 3 }, |
| 90 | }; |
| 91 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 92 | static struct sandbox_scmi_voltd scmi_voltd[] = { |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 93 | { .id = 0, .voltage_uv = 3300000 }, |
| 94 | { .id = 1, .voltage_uv = 1800000 }, |
| 95 | }; |
| 96 | |
AKASHI Takahiro | dae0046 | 2023-10-11 19:07:03 +0900 | [diff] [blame] | 97 | struct sandbox_scmi_agent *sandbox_scmi_agent_ctx(struct udevice *dev) |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 98 | { |
AKASHI Takahiro | dae0046 | 2023-10-11 19:07:03 +0900 | [diff] [blame] | 99 | return dev_get_priv(dev); |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | static void debug_print_agent_state(struct udevice *dev, char *str) |
| 103 | { |
| 104 | struct sandbox_scmi_agent *agent = dev_get_priv(dev); |
| 105 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 106 | dev_dbg(dev, "Dump sandbox_scmi_agent: %s\n", str); |
| 107 | dev_dbg(dev, " scmi_clk (%zu): %d/%ld, %d/%ld, %d/%ld, ...\n", |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 108 | agent->clk_count, |
| 109 | agent->clk_count ? agent->clk[0].enabled : -1, |
| 110 | agent->clk_count ? agent->clk[0].rate : -1, |
| 111 | agent->clk_count > 1 ? agent->clk[1].enabled : -1, |
| 112 | agent->clk_count > 1 ? agent->clk[1].rate : -1, |
| 113 | agent->clk_count > 2 ? agent->clk[2].enabled : -1, |
| 114 | agent->clk_count > 2 ? agent->clk[2].rate : -1); |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 115 | dev_dbg(dev, " scmi_reset (%zu): %d, %d, ...\n", |
Etienne Carriere | 8b9b689 | 2020-09-09 18:44:07 +0200 | [diff] [blame] | 116 | agent->reset_count, |
| 117 | agent->reset_count ? agent->reset[0].asserted : -1, |
| 118 | agent->reset_count > 1 ? agent->reset[1].asserted : -1); |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 119 | dev_dbg(dev, " scmi_voltd (%zu): %u/%d, %u/%d, ...\n", |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 120 | agent->voltd_count, |
| 121 | agent->voltd_count ? agent->voltd[0].enabled : -1, |
| 122 | agent->voltd_count ? agent->voltd[0].voltage_uv : -1, |
| 123 | agent->voltd_count ? agent->voltd[1].enabled : -1, |
| 124 | agent->voltd_count ? agent->voltd[1].voltage_uv : -1); |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 125 | }; |
| 126 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 127 | static struct sandbox_scmi_clk *get_scmi_clk_state(uint clock_id) |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 128 | { |
Etienne Carriere | bf1f132 | 2022-02-21 09:22:41 +0100 | [diff] [blame] | 129 | if (clock_id < ARRAY_SIZE(scmi_clk)) |
| 130 | return scmi_clk + clock_id; |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 131 | |
| 132 | return NULL; |
| 133 | } |
| 134 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 135 | static struct sandbox_scmi_reset *get_scmi_reset_state(uint reset_id) |
Etienne Carriere | 8b9b689 | 2020-09-09 18:44:07 +0200 | [diff] [blame] | 136 | { |
| 137 | size_t n; |
| 138 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 139 | for (n = 0; n < ARRAY_SIZE(scmi_reset); n++) |
| 140 | if (scmi_reset[n].id == reset_id) |
| 141 | return scmi_reset + n; |
Etienne Carriere | 8b9b689 | 2020-09-09 18:44:07 +0200 | [diff] [blame] | 142 | |
| 143 | return NULL; |
| 144 | } |
| 145 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 146 | static struct sandbox_scmi_voltd *get_scmi_voltd_state(uint domain_id) |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 147 | { |
| 148 | size_t n; |
| 149 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 150 | for (n = 0; n < ARRAY_SIZE(scmi_voltd); n++) |
| 151 | if (scmi_voltd[n].id == domain_id) |
| 152 | return scmi_voltd + n; |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 153 | |
| 154 | return NULL; |
| 155 | } |
| 156 | |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 157 | /* |
| 158 | * Sandbox SCMI agent ops |
| 159 | */ |
AKASHI Takahiro | 4b9839a | 2023-10-11 19:07:02 +0900 | [diff] [blame] | 160 | |
| 161 | /* Base Protocol */ |
| 162 | |
| 163 | /** |
| 164 | * sandbox_scmi_base_protocol_version - implement SCMI_BASE_PROTOCOL_VERSION |
| 165 | * @dev: SCMI device |
| 166 | * @msg: SCMI message |
| 167 | * |
| 168 | * Implement SCMI_BASE_PROTOCOL_VERSION command. |
| 169 | */ |
| 170 | static int sandbox_scmi_base_protocol_version(struct udevice *dev, |
| 171 | struct scmi_msg *msg) |
| 172 | { |
| 173 | struct scmi_protocol_version_out *out = NULL; |
| 174 | |
| 175 | if (!msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 176 | return -EINVAL; |
| 177 | |
| 178 | out = (struct scmi_protocol_version_out *)msg->out_msg; |
| 179 | out->version = SANDBOX_SCMI_BASE_PROTOCOL_VERSION; |
| 180 | out->status = SCMI_SUCCESS; |
| 181 | |
| 182 | return 0; |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * sandbox_scmi_base_protocol_attrs - implement SCMI_BASE_PROTOCOL_ATTRIBUTES |
| 187 | * @dev: SCMI device |
| 188 | * @msg: SCMI message |
| 189 | * |
| 190 | * Implement SCMI_BASE_PROTOCOL_ATTRIBUTES command. |
| 191 | */ |
| 192 | static int sandbox_scmi_base_protocol_attrs(struct udevice *dev, |
| 193 | struct scmi_msg *msg) |
| 194 | { |
| 195 | struct scmi_protocol_attrs_out *out = NULL; |
| 196 | |
| 197 | if (!msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 198 | return -EINVAL; |
| 199 | |
| 200 | out = (struct scmi_protocol_attrs_out *)msg->out_msg; |
| 201 | out->attributes = FIELD_PREP(0xff00, 2) | NUM_PROTOCOLS; |
| 202 | out->status = SCMI_SUCCESS; |
| 203 | |
| 204 | return 0; |
| 205 | } |
| 206 | |
| 207 | /** |
| 208 | * sandbox_scmi_base_message_attrs - implement |
| 209 | * SCMI_BASE_PROTOCOL_MESSAGE_ATTRIBUTES |
| 210 | * @dev: SCMI device |
| 211 | * @msg: SCMI message |
| 212 | * |
| 213 | * Implement SCMI_BASE_PROTOCOL_MESSAGE_ATTRIBUTES command. |
| 214 | */ |
| 215 | static int sandbox_scmi_base_message_attrs(struct udevice *dev, |
| 216 | struct scmi_msg *msg) |
| 217 | { |
| 218 | u32 message_id; |
| 219 | struct scmi_protocol_msg_attrs_out *out = NULL; |
| 220 | |
| 221 | if (!msg->in_msg || msg->in_msg_sz < sizeof(message_id) || |
| 222 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 223 | return -EINVAL; |
| 224 | |
| 225 | message_id = *(u32 *)msg->in_msg; |
| 226 | out = (struct scmi_protocol_msg_attrs_out *)msg->out_msg; |
| 227 | |
| 228 | if (message_id >= SCMI_PROTOCOL_VERSION && |
| 229 | message_id <= SCMI_BASE_RESET_AGENT_CONFIGURATION && |
| 230 | message_id != SCMI_BASE_NOTIFY_ERRORS) { |
| 231 | out->attributes = 0; |
| 232 | out->status = SCMI_SUCCESS; |
| 233 | } else { |
| 234 | out->status = SCMI_NOT_FOUND; |
| 235 | } |
| 236 | |
| 237 | return 0; |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * sandbox_scmi_base_discover_vendor - implement SCMI_BASE_DISCOVER_VENDOR |
| 242 | * @dev: SCMI device |
| 243 | * @msg: SCMI message |
| 244 | * |
| 245 | * Implement SCMI_BASE_DISCOVER_VENDOR command |
| 246 | */ |
| 247 | static int sandbox_scmi_base_discover_vendor(struct udevice *dev, |
| 248 | struct scmi_msg *msg) |
| 249 | { |
| 250 | struct scmi_base_discover_vendor_out *out = NULL; |
| 251 | |
| 252 | if (!msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 253 | return -EINVAL; |
| 254 | |
| 255 | out = (struct scmi_base_discover_vendor_out *)msg->out_msg; |
| 256 | strcpy(out->vendor_identifier, SANDBOX_SCMI_VENDOR); |
| 257 | out->status = SCMI_SUCCESS; |
| 258 | |
| 259 | return 0; |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * sandbox_scmi_base_discover_sub_vendor - implement |
| 264 | * SCMI_BASE_DISCOVER_SUB_VENDOR |
| 265 | * @dev: SCMI device |
| 266 | * @msg: SCMI message |
| 267 | * |
| 268 | * Implement SCMI_BASE_DISCOVER_SUB_VENDOR command |
| 269 | */ |
| 270 | static int sandbox_scmi_base_discover_sub_vendor(struct udevice *dev, |
| 271 | struct scmi_msg *msg) |
| 272 | { |
| 273 | struct scmi_base_discover_vendor_out *out = NULL; |
| 274 | |
| 275 | if (!msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 276 | return -EINVAL; |
| 277 | |
| 278 | out = (struct scmi_base_discover_vendor_out *)msg->out_msg; |
| 279 | strcpy(out->vendor_identifier, SANDBOX_SCMI_SUB_VENDOR); |
| 280 | out->status = SCMI_SUCCESS; |
| 281 | |
| 282 | return 0; |
| 283 | } |
| 284 | |
| 285 | /** |
| 286 | * sandbox_scmi_base_discover_impl_version - implement |
| 287 | * SCMI_BASE_DISCOVER_IMPLEMENTATION_VERSION |
| 288 | * @dev: SCMI device |
| 289 | * @msg: SCMI message |
| 290 | * |
| 291 | * Implement SCMI_BASE_DISCOVER_IMPLEMENTATION_VERSION command |
| 292 | */ |
| 293 | static int sandbox_scmi_base_discover_impl_version(struct udevice *dev, |
| 294 | struct scmi_msg *msg) |
| 295 | { |
| 296 | struct scmi_base_discover_impl_version_out *out = NULL; |
| 297 | |
| 298 | if (!msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 299 | return -EINVAL; |
| 300 | |
| 301 | out = (struct scmi_base_discover_impl_version_out *)msg->out_msg; |
| 302 | out->impl_version = SANDBOX_SCMI_IMPL_VERSION; |
| 303 | out->status = SCMI_SUCCESS; |
| 304 | |
| 305 | return 0; |
| 306 | } |
| 307 | |
| 308 | /** |
| 309 | * sandbox_scmi_base_discover_list_protocols - implement |
| 310 | * SCMI_BASE_DISCOVER_LIST_PROTOCOLS |
| 311 | * @dev: SCMI device |
| 312 | * @msg: SCMI message |
| 313 | * |
| 314 | * Implement SCMI_BASE_DISCOVER_LIST_PROTOCOLS command |
| 315 | */ |
| 316 | static int sandbox_scmi_base_discover_list_protocols(struct udevice *dev, |
| 317 | struct scmi_msg *msg) |
| 318 | { |
| 319 | struct scmi_base_discover_list_protocols_out *out = NULL; |
| 320 | |
| 321 | if (!msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 322 | return -EINVAL; |
| 323 | |
| 324 | out = (struct scmi_base_discover_list_protocols_out *)msg->out_msg; |
| 325 | memcpy(out->protocols, protocols, sizeof(protocols)); |
| 326 | out->num_protocols = NUM_PROTOCOLS; |
| 327 | out->status = SCMI_SUCCESS; |
| 328 | |
| 329 | return 0; |
| 330 | } |
| 331 | |
| 332 | /** |
| 333 | * sandbox_scmi_base_discover_agent - implement SCMI_BASE_DISCOVER_AGENT |
| 334 | * @dev: SCMI device |
| 335 | * @msg: SCMI message |
| 336 | * |
| 337 | * Implement SCMI_BASE_DISCOVER_AGENT command |
| 338 | */ |
| 339 | static int sandbox_scmi_base_discover_agent(struct udevice *dev, |
| 340 | struct scmi_msg *msg) |
| 341 | { |
| 342 | u32 agent_id; |
| 343 | struct scmi_base_discover_agent_out *out = NULL; |
| 344 | |
| 345 | if (!msg->in_msg || msg->in_msg_sz < sizeof(agent_id) || |
| 346 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 347 | return -EINVAL; |
| 348 | |
| 349 | agent_id = *(u32 *)msg->in_msg; |
| 350 | out = (struct scmi_base_discover_agent_out *)msg->out_msg; |
| 351 | out->status = SCMI_SUCCESS; |
| 352 | if (agent_id == 0xffffffff || agent_id == 1) { |
| 353 | out->agent_id = 1; |
| 354 | strcpy(out->name, SANDBOX_SCMI_AGENT_NAME); |
| 355 | } else if (!agent_id) { |
| 356 | out->agent_id = agent_id; |
| 357 | strcpy(out->name, SANDBOX_SCMI_PLATFORM_NAME); |
| 358 | } else { |
| 359 | out->status = SCMI_NOT_FOUND; |
| 360 | } |
| 361 | |
| 362 | return 0; |
| 363 | } |
| 364 | |
| 365 | /** |
| 366 | * sandbox_scmi_base_set_device_permissions - implement |
| 367 | * SCMI_BASE_SET_DEVICE_PERMISSIONS |
| 368 | * @dev: SCMI device |
| 369 | * @msg: SCMI message |
| 370 | * |
| 371 | * Implement SCMI_BASE_SET_DEVICE_PERMISSIONS command |
| 372 | */ |
| 373 | static int sandbox_scmi_base_set_device_permissions(struct udevice *dev, |
| 374 | struct scmi_msg *msg) |
| 375 | { |
| 376 | struct scmi_base_set_device_permissions_in *in = NULL; |
| 377 | u32 *status; |
| 378 | |
| 379 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 380 | !msg->out_msg || msg->out_msg_sz < sizeof(*status)) |
| 381 | return -EINVAL; |
| 382 | |
| 383 | in = (struct scmi_base_set_device_permissions_in *)msg->in_msg; |
| 384 | status = (u32 *)msg->out_msg; |
| 385 | |
| 386 | if (in->agent_id != 1 || in->device_id != 0) |
| 387 | *status = SCMI_NOT_FOUND; |
| 388 | else if (in->flags & ~SCMI_BASE_SET_DEVICE_PERMISSIONS_ACCESS) |
| 389 | *status = SCMI_INVALID_PARAMETERS; |
| 390 | else if (in->flags & SCMI_BASE_SET_DEVICE_PERMISSIONS_ACCESS) |
| 391 | *status = SCMI_SUCCESS; |
| 392 | else |
| 393 | /* unset not allowed */ |
| 394 | *status = SCMI_DENIED; |
| 395 | |
| 396 | return 0; |
| 397 | } |
| 398 | |
| 399 | /** |
| 400 | * sandbox_scmi_base_set_protocol_permissions - implement |
| 401 | * SCMI_BASE_SET_PROTOCOL_PERMISSIONS |
| 402 | * @dev: SCMI device |
| 403 | * @msg: SCMI message |
| 404 | * |
| 405 | * Implement SCMI_BASE_SET_PROTOCOL_PERMISSIONS command |
| 406 | */ |
| 407 | static int sandbox_scmi_base_set_protocol_permissions(struct udevice *dev, |
| 408 | struct scmi_msg *msg) |
| 409 | { |
| 410 | struct scmi_base_set_protocol_permissions_in *in = NULL; |
| 411 | u32 *status; |
| 412 | int i; |
| 413 | |
| 414 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 415 | !msg->out_msg || msg->out_msg_sz < sizeof(*status)) |
| 416 | return -EINVAL; |
| 417 | |
| 418 | in = (struct scmi_base_set_protocol_permissions_in *)msg->in_msg; |
| 419 | status = (u32 *)msg->out_msg; |
| 420 | |
| 421 | for (i = 0; i < ARRAY_SIZE(protocols); i++) |
| 422 | if (protocols[i] == in->command_id) |
| 423 | break; |
| 424 | if (in->agent_id != 1 || in->device_id != 0 || |
| 425 | i == ARRAY_SIZE(protocols)) |
| 426 | *status = SCMI_NOT_FOUND; |
| 427 | else if (in->flags & ~SCMI_BASE_SET_PROTOCOL_PERMISSIONS_ACCESS) |
| 428 | *status = SCMI_INVALID_PARAMETERS; |
| 429 | else if (in->flags & SCMI_BASE_SET_PROTOCOL_PERMISSIONS_ACCESS) |
| 430 | *status = SCMI_SUCCESS; |
| 431 | else |
| 432 | /* unset not allowed */ |
| 433 | *status = SCMI_DENIED; |
| 434 | |
| 435 | return 0; |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * sandbox_scmi_base_reset_agent_configuration - implement |
| 440 | * SCMI_BASE_RESET_AGENT_CONFIGURATION |
| 441 | * @dev: SCMI device |
| 442 | * @msg: SCMI message |
| 443 | * |
| 444 | * Implement SCMI_BASE_RESET_AGENT_CONFIGURATION command |
| 445 | */ |
| 446 | static int sandbox_scmi_base_reset_agent_configuration(struct udevice *dev, |
| 447 | struct scmi_msg *msg) |
| 448 | { |
| 449 | struct scmi_base_reset_agent_configuration_in *in = NULL; |
| 450 | u32 *status; |
| 451 | |
| 452 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 453 | !msg->out_msg || msg->out_msg_sz < sizeof(*status)) |
| 454 | return -EINVAL; |
| 455 | |
| 456 | in = (struct scmi_base_reset_agent_configuration_in *)msg->in_msg; |
| 457 | status = (u32 *)msg->out_msg; |
| 458 | |
| 459 | if (in->agent_id != 1) |
| 460 | *status = SCMI_NOT_FOUND; |
| 461 | else if (in->flags & ~SCMI_BASE_RESET_ALL_ACCESS_PERMISSIONS) |
| 462 | *status = SCMI_INVALID_PARAMETERS; |
| 463 | else |
| 464 | *status = SCMI_DENIED; |
| 465 | |
| 466 | return 0; |
| 467 | } |
| 468 | |
AKASHI Takahiro | 535a7bd | 2023-10-16 14:39:45 +0900 | [diff] [blame] | 469 | /* Power Domain Management Protocol */ |
| 470 | |
| 471 | /** |
| 472 | * sandbox_scmi_pwd_protocol_version - implement SCMI_PROTOCOL_VERSION |
| 473 | * @dev: SCMI device |
| 474 | * @msg: SCMI message |
| 475 | * |
| 476 | * Implement SCMI_PROTOCOL_VERSION command. |
| 477 | * |
| 478 | * Return: 0 on success, error code on failure |
| 479 | */ |
| 480 | static int sandbox_scmi_pwd_protocol_version(struct udevice *dev, |
| 481 | struct scmi_msg *msg) |
| 482 | { |
| 483 | struct scmi_protocol_version_out *out = NULL; |
| 484 | |
| 485 | if (!msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 486 | return -EINVAL; |
| 487 | |
| 488 | out = (struct scmi_protocol_version_out *)msg->out_msg; |
| 489 | out->version = SANDBOX_SCMI_PWD_PROTOCOL_VERSION; |
| 490 | out->status = SCMI_SUCCESS; |
| 491 | |
| 492 | return 0; |
| 493 | } |
| 494 | |
| 495 | /** |
| 496 | * sandbox_scmi_pwd_protocol_attribs - implement SCMI_PWD_PROTOCOL_ATTRS |
| 497 | * @dev: SCMI device |
| 498 | * @msg: SCMI message |
| 499 | * |
| 500 | * Implement SCMI_PWD_PROTOCOL_ATTRS command. |
| 501 | * |
| 502 | * Return: 0 on success, error code on failure |
| 503 | */ |
| 504 | static int sandbox_scmi_pwd_protocol_attribs(struct udevice *dev, |
| 505 | struct scmi_msg *msg) |
| 506 | { |
| 507 | struct scmi_pwd_protocol_attrs_out *out; |
| 508 | |
| 509 | if (!msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 510 | return -EINVAL; |
| 511 | |
| 512 | out = (struct scmi_pwd_protocol_attrs_out *)msg->out_msg; |
| 513 | |
| 514 | out->attributes = ARRAY_SIZE(scmi_pwdom); |
| 515 | out->stats_addr_low = 0; |
| 516 | out->stats_addr_high = 0; |
| 517 | out->stats_len = 0; |
| 518 | out->status = SCMI_SUCCESS; |
| 519 | |
| 520 | return 0; |
| 521 | } |
| 522 | |
| 523 | /** |
| 524 | * sandbox_scmi_pwd_protocol_msg_attribs - implement |
| 525 | SCMI_PWD_PROTOCOL_MESSAGE_ATTRS |
| 526 | * @dev: SCMI device |
| 527 | * @msg: SCMI message |
| 528 | * |
| 529 | * Implement SCMI_PWD_PROTOCOL_MESSAGE_ATTRS command. |
| 530 | * |
| 531 | * Return: 0 on success, error code on failure |
| 532 | */ |
| 533 | static int sandbox_scmi_pwd_protocol_msg_attribs(struct udevice *dev, |
| 534 | struct scmi_msg *msg) |
| 535 | { |
| 536 | u32 message_id; |
| 537 | struct scmi_pwd_protocol_msg_attrs_out *out; |
| 538 | |
| 539 | if (!msg->in_msg || msg->in_msg_sz < sizeof(message_id) || |
| 540 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 541 | return -EINVAL; |
| 542 | |
| 543 | message_id = *(u32 *)msg->in_msg; |
| 544 | |
| 545 | out = (struct scmi_pwd_protocol_msg_attrs_out *)msg->out_msg; |
| 546 | if (message_id <= SCMI_PWD_STATE_GET || |
| 547 | message_id == SCMI_PWD_NAME_GET) { |
| 548 | out->attributes = 0; |
| 549 | out->status = SCMI_SUCCESS; |
| 550 | } else { |
| 551 | out->status = SCMI_NOT_FOUND; |
| 552 | } |
| 553 | |
| 554 | return 0; |
| 555 | } |
| 556 | |
| 557 | /** |
| 558 | * sandbox_scmi_pwd_attribs - implement SCMI_PWD_ATTRS |
| 559 | * @dev: SCMI device |
| 560 | * @msg: SCMI message |
| 561 | * |
| 562 | * Implement SCMI_PWD_ATTRS command. |
| 563 | * |
| 564 | * Return: 0 on success, error code on failure |
| 565 | */ |
| 566 | static int sandbox_scmi_pwd_attribs(struct udevice *dev, struct scmi_msg *msg) |
| 567 | { |
| 568 | u32 domain_id; |
| 569 | struct scmi_pwd_attrs_out *out; |
| 570 | |
| 571 | if (!msg->in_msg || msg->in_msg_sz < sizeof(domain_id) || |
| 572 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 573 | return -EINVAL; |
| 574 | |
| 575 | domain_id = *(u32 *)msg->in_msg; |
| 576 | out = (struct scmi_pwd_attrs_out *)msg->out_msg; |
| 577 | |
AKASHI Takahiro | 224b2ff | 2023-11-07 09:05:47 +0900 | [diff] [blame] | 578 | if (domain_id >= ARRAY_SIZE(scmi_pwdom)) { |
AKASHI Takahiro | 535a7bd | 2023-10-16 14:39:45 +0900 | [diff] [blame] | 579 | out->status = SCMI_NOT_FOUND; |
| 580 | |
| 581 | return 0; |
| 582 | } |
| 583 | |
| 584 | out->attributes = |
| 585 | SCMI_PWD_ATTR_PSTATE_SYNC | SCMI_PWD_ATTR_EXTENDED_NAME; |
| 586 | /* just 15-char + NULL */ |
| 587 | snprintf(out->name, SCMI_PWD_NAME_LENGTH_MAX, "power-domain--%d", |
| 588 | domain_id); |
| 589 | out->status = SCMI_SUCCESS; |
| 590 | |
| 591 | return 0; |
| 592 | } |
| 593 | |
| 594 | /** |
| 595 | * sandbox_scmi_pwd_state_set - implement SCMI_PWD_STATE_SET |
| 596 | * @dev: SCMI device |
| 597 | * @msg: SCMI message |
| 598 | * |
| 599 | * Implement SCMI_PWD_STATE_SET command. |
| 600 | * |
| 601 | * Return: 0 on success, error code on failure |
| 602 | */ |
| 603 | static int sandbox_scmi_pwd_state_set(struct udevice *dev, struct scmi_msg *msg) |
| 604 | { |
| 605 | struct scmi_pwd_state_set_in *in; |
| 606 | s32 *status; |
| 607 | |
| 608 | if (!msg->in_msg || msg->in_msg_sz < sizeof(in) || |
| 609 | !msg->out_msg || msg->out_msg_sz < sizeof(*status)) |
| 610 | return -EINVAL; |
| 611 | |
| 612 | in = (struct scmi_pwd_state_set_in *)msg->in_msg; |
| 613 | status = (s32 *)msg->out_msg; |
| 614 | |
AKASHI Takahiro | 224b2ff | 2023-11-07 09:05:47 +0900 | [diff] [blame] | 615 | if (in->domain_id >= ARRAY_SIZE(scmi_pwdom)) { |
AKASHI Takahiro | 535a7bd | 2023-10-16 14:39:45 +0900 | [diff] [blame] | 616 | *status = SCMI_NOT_FOUND; |
| 617 | |
| 618 | return 0; |
| 619 | } |
| 620 | |
| 621 | if ((in->flags & SCMI_PWD_SET_FLAGS_ASYNC) || |
| 622 | (in->pstate != SCMI_PWD_PSTATE_TYPE_LOST && in->pstate)) { |
| 623 | *status = SCMI_INVALID_PARAMETERS; |
| 624 | |
| 625 | return 0; |
| 626 | } |
| 627 | |
| 628 | scmi_pwdom[in->domain_id].pstate = in->pstate; |
| 629 | *status = SCMI_SUCCESS; |
| 630 | |
| 631 | return 0; |
| 632 | } |
| 633 | |
| 634 | /** |
| 635 | * sandbox_scmi_pwd_state_get - implement SCMI_PWD_STATE_GET |
| 636 | * @dev: SCMI device |
| 637 | * @msg: SCMI message |
| 638 | * |
| 639 | * Implement SCMI_PWD_STATE_GET command. |
| 640 | * |
| 641 | * Return: 0 on success, error code on failure |
| 642 | */ |
| 643 | static int sandbox_scmi_pwd_state_get(struct udevice *dev, struct scmi_msg *msg) |
| 644 | { |
| 645 | u32 domain_id; |
| 646 | struct scmi_pwd_state_get_out *out; |
| 647 | |
| 648 | if (!msg->in_msg || msg->in_msg_sz < sizeof(domain_id) || |
| 649 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 650 | return -EINVAL; |
| 651 | |
| 652 | domain_id = *(u32 *)msg->in_msg; |
| 653 | out = (struct scmi_pwd_state_get_out *)msg->out_msg; |
| 654 | |
AKASHI Takahiro | 224b2ff | 2023-11-07 09:05:47 +0900 | [diff] [blame] | 655 | if (domain_id >= ARRAY_SIZE(scmi_pwdom)) { |
AKASHI Takahiro | 535a7bd | 2023-10-16 14:39:45 +0900 | [diff] [blame] | 656 | out->status = SCMI_NOT_FOUND; |
| 657 | |
| 658 | return 0; |
| 659 | } |
| 660 | |
| 661 | out->pstate = scmi_pwdom[domain_id].pstate; |
| 662 | out->status = SCMI_SUCCESS; |
| 663 | |
| 664 | return 0; |
| 665 | } |
| 666 | |
| 667 | /** |
| 668 | * sandbox_scmi_pwd_name_get - implement SCMI_PWD_NAME_GET |
| 669 | * @dev: SCMI device |
| 670 | * @msg: SCMI message |
| 671 | * |
| 672 | * Implement SCMI_PWD_NAME_GET command. |
| 673 | * |
| 674 | * Return: 0 on success, error code on failure |
| 675 | */ |
| 676 | static int sandbox_scmi_pwd_name_get(struct udevice *dev, struct scmi_msg *msg) |
| 677 | { |
| 678 | u32 domain_id; |
| 679 | struct scmi_pwd_name_get_out *out; |
| 680 | |
| 681 | if (!msg->in_msg || msg->in_msg_sz < sizeof(domain_id) || |
| 682 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 683 | return -EINVAL; |
| 684 | |
| 685 | domain_id = *(u32 *)msg->in_msg; |
| 686 | out = (struct scmi_pwd_name_get_out *)msg->out_msg; |
| 687 | |
AKASHI Takahiro | 224b2ff | 2023-11-07 09:05:47 +0900 | [diff] [blame] | 688 | if (domain_id >= ARRAY_SIZE(scmi_pwdom)) { |
AKASHI Takahiro | 535a7bd | 2023-10-16 14:39:45 +0900 | [diff] [blame] | 689 | out->status = SCMI_NOT_FOUND; |
| 690 | |
| 691 | return 0; |
| 692 | } |
| 693 | |
| 694 | snprintf(out->extended_name, SCMI_PWD_EXTENDED_NAME_MAX, |
| 695 | "power-domain--%d-extended", domain_id); |
| 696 | out->status = SCMI_SUCCESS; |
| 697 | |
| 698 | return 0; |
| 699 | } |
| 700 | |
AKASHI Takahiro | 4b9839a | 2023-10-11 19:07:02 +0900 | [diff] [blame] | 701 | /* Clock Protocol */ |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 702 | |
Etienne Carriere | 4c4ec90 | 2022-02-21 09:22:42 +0100 | [diff] [blame] | 703 | static int sandbox_scmi_clock_protocol_attribs(struct udevice *dev, |
| 704 | struct scmi_msg *msg) |
| 705 | { |
| 706 | struct scmi_clk_protocol_attr_out *out = NULL; |
| 707 | |
| 708 | if (!msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 709 | return -EINVAL; |
| 710 | |
| 711 | out = (struct scmi_clk_protocol_attr_out *)msg->out_msg; |
| 712 | out->attributes = ARRAY_SIZE(scmi_clk); |
| 713 | out->status = SCMI_SUCCESS; |
| 714 | |
| 715 | return 0; |
| 716 | } |
| 717 | |
| 718 | static int sandbox_scmi_clock_attribs(struct udevice *dev, struct scmi_msg *msg) |
| 719 | { |
| 720 | struct scmi_clk_attribute_in *in = NULL; |
| 721 | struct scmi_clk_attribute_out *out = NULL; |
| 722 | struct sandbox_scmi_clk *clk_state = NULL; |
| 723 | int ret; |
| 724 | |
| 725 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 726 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 727 | return -EINVAL; |
| 728 | |
| 729 | in = (struct scmi_clk_attribute_in *)msg->in_msg; |
| 730 | out = (struct scmi_clk_attribute_out *)msg->out_msg; |
| 731 | |
| 732 | clk_state = get_scmi_clk_state(in->clock_id); |
| 733 | if (!clk_state) { |
| 734 | dev_err(dev, "Unexpected clock ID %u\n", in->clock_id); |
| 735 | |
| 736 | out->status = SCMI_NOT_FOUND; |
| 737 | } else { |
| 738 | memset(out, 0, sizeof(*out)); |
| 739 | |
| 740 | if (clk_state->enabled) |
| 741 | out->attributes = 1; |
| 742 | |
| 743 | ret = snprintf(out->clock_name, sizeof(out->clock_name), |
| 744 | "clk%u", in->clock_id); |
| 745 | assert(ret > 0 && ret < sizeof(out->clock_name)); |
| 746 | |
| 747 | out->status = SCMI_SUCCESS; |
| 748 | } |
| 749 | |
| 750 | return 0; |
| 751 | } |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 752 | static int sandbox_scmi_clock_rate_set(struct udevice *dev, |
| 753 | struct scmi_msg *msg) |
| 754 | { |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 755 | struct scmi_clk_rate_set_in *in = NULL; |
| 756 | struct scmi_clk_rate_set_out *out = NULL; |
| 757 | struct sandbox_scmi_clk *clk_state = NULL; |
| 758 | |
| 759 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 760 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 761 | return -EINVAL; |
| 762 | |
| 763 | in = (struct scmi_clk_rate_set_in *)msg->in_msg; |
| 764 | out = (struct scmi_clk_rate_set_out *)msg->out_msg; |
| 765 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 766 | clk_state = get_scmi_clk_state(in->clock_id); |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 767 | if (!clk_state) { |
| 768 | dev_err(dev, "Unexpected clock ID %u\n", in->clock_id); |
| 769 | |
| 770 | out->status = SCMI_NOT_FOUND; |
| 771 | } else { |
| 772 | u64 rate = ((u64)in->rate_msb << 32) + in->rate_lsb; |
| 773 | |
| 774 | clk_state->rate = (ulong)rate; |
| 775 | |
| 776 | out->status = SCMI_SUCCESS; |
| 777 | } |
| 778 | |
| 779 | return 0; |
| 780 | } |
| 781 | |
| 782 | static int sandbox_scmi_clock_rate_get(struct udevice *dev, |
| 783 | struct scmi_msg *msg) |
| 784 | { |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 785 | struct scmi_clk_rate_get_in *in = NULL; |
| 786 | struct scmi_clk_rate_get_out *out = NULL; |
| 787 | struct sandbox_scmi_clk *clk_state = NULL; |
| 788 | |
| 789 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 790 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 791 | return -EINVAL; |
| 792 | |
| 793 | in = (struct scmi_clk_rate_get_in *)msg->in_msg; |
| 794 | out = (struct scmi_clk_rate_get_out *)msg->out_msg; |
| 795 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 796 | clk_state = get_scmi_clk_state(in->clock_id); |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 797 | if (!clk_state) { |
| 798 | dev_err(dev, "Unexpected clock ID %u\n", in->clock_id); |
| 799 | |
| 800 | out->status = SCMI_NOT_FOUND; |
| 801 | } else { |
| 802 | out->rate_msb = (u32)((u64)clk_state->rate >> 32); |
| 803 | out->rate_lsb = (u32)clk_state->rate; |
| 804 | |
| 805 | out->status = SCMI_SUCCESS; |
| 806 | } |
| 807 | |
| 808 | return 0; |
| 809 | } |
| 810 | |
| 811 | static int sandbox_scmi_clock_gate(struct udevice *dev, struct scmi_msg *msg) |
| 812 | { |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 813 | struct scmi_clk_state_in *in = NULL; |
| 814 | struct scmi_clk_state_out *out = NULL; |
| 815 | struct sandbox_scmi_clk *clk_state = NULL; |
| 816 | |
| 817 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 818 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 819 | return -EINVAL; |
| 820 | |
| 821 | in = (struct scmi_clk_state_in *)msg->in_msg; |
| 822 | out = (struct scmi_clk_state_out *)msg->out_msg; |
| 823 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 824 | clk_state = get_scmi_clk_state(in->clock_id); |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 825 | if (!clk_state) { |
| 826 | dev_err(dev, "Unexpected clock ID %u\n", in->clock_id); |
| 827 | |
| 828 | out->status = SCMI_NOT_FOUND; |
| 829 | } else if (in->attributes > 1) { |
| 830 | out->status = SCMI_PROTOCOL_ERROR; |
| 831 | } else { |
| 832 | clk_state->enabled = in->attributes; |
| 833 | |
| 834 | out->status = SCMI_SUCCESS; |
| 835 | } |
| 836 | |
| 837 | return 0; |
| 838 | } |
| 839 | |
Etienne Carriere | 8b9b689 | 2020-09-09 18:44:07 +0200 | [diff] [blame] | 840 | static int sandbox_scmi_rd_attribs(struct udevice *dev, struct scmi_msg *msg) |
| 841 | { |
Etienne Carriere | 8b9b689 | 2020-09-09 18:44:07 +0200 | [diff] [blame] | 842 | struct scmi_rd_attr_in *in = NULL; |
| 843 | struct scmi_rd_attr_out *out = NULL; |
| 844 | struct sandbox_scmi_reset *reset_state = NULL; |
| 845 | |
| 846 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 847 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 848 | return -EINVAL; |
| 849 | |
| 850 | in = (struct scmi_rd_attr_in *)msg->in_msg; |
| 851 | out = (struct scmi_rd_attr_out *)msg->out_msg; |
| 852 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 853 | reset_state = get_scmi_reset_state(in->domain_id); |
Etienne Carriere | 8b9b689 | 2020-09-09 18:44:07 +0200 | [diff] [blame] | 854 | if (!reset_state) { |
| 855 | dev_err(dev, "Unexpected reset domain ID %u\n", in->domain_id); |
| 856 | |
| 857 | out->status = SCMI_NOT_FOUND; |
| 858 | } else { |
| 859 | memset(out, 0, sizeof(*out)); |
| 860 | snprintf(out->name, sizeof(out->name), "rd%u", in->domain_id); |
| 861 | |
| 862 | out->status = SCMI_SUCCESS; |
| 863 | } |
| 864 | |
| 865 | return 0; |
| 866 | } |
| 867 | |
| 868 | static int sandbox_scmi_rd_reset(struct udevice *dev, struct scmi_msg *msg) |
| 869 | { |
Etienne Carriere | 8b9b689 | 2020-09-09 18:44:07 +0200 | [diff] [blame] | 870 | struct scmi_rd_reset_in *in = NULL; |
| 871 | struct scmi_rd_reset_out *out = NULL; |
| 872 | struct sandbox_scmi_reset *reset_state = NULL; |
| 873 | |
| 874 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 875 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 876 | return -EINVAL; |
| 877 | |
| 878 | in = (struct scmi_rd_reset_in *)msg->in_msg; |
| 879 | out = (struct scmi_rd_reset_out *)msg->out_msg; |
| 880 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 881 | reset_state = get_scmi_reset_state(in->domain_id); |
Etienne Carriere | 8b9b689 | 2020-09-09 18:44:07 +0200 | [diff] [blame] | 882 | if (!reset_state) { |
| 883 | dev_err(dev, "Unexpected reset domain ID %u\n", in->domain_id); |
| 884 | |
| 885 | out->status = SCMI_NOT_FOUND; |
| 886 | } else if (in->reset_state > 1) { |
| 887 | dev_err(dev, "Invalid reset domain input attribute value\n"); |
| 888 | |
| 889 | out->status = SCMI_INVALID_PARAMETERS; |
| 890 | } else { |
| 891 | if (in->flags & SCMI_RD_RESET_FLAG_CYCLE) { |
| 892 | if (in->flags & SCMI_RD_RESET_FLAG_ASYNC) { |
| 893 | out->status = SCMI_NOT_SUPPORTED; |
| 894 | } else { |
| 895 | /* Ends deasserted whatever current state */ |
| 896 | reset_state->asserted = false; |
| 897 | out->status = SCMI_SUCCESS; |
| 898 | } |
| 899 | } else { |
| 900 | reset_state->asserted = in->flags & |
| 901 | SCMI_RD_RESET_FLAG_ASSERT; |
| 902 | |
| 903 | out->status = SCMI_SUCCESS; |
| 904 | } |
| 905 | } |
| 906 | |
| 907 | return 0; |
| 908 | } |
| 909 | |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 910 | static int sandbox_scmi_voltd_attribs(struct udevice *dev, struct scmi_msg *msg) |
| 911 | { |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 912 | struct scmi_voltd_attr_in *in = NULL; |
| 913 | struct scmi_voltd_attr_out *out = NULL; |
| 914 | struct sandbox_scmi_voltd *voltd_state = NULL; |
| 915 | |
| 916 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 917 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 918 | return -EINVAL; |
| 919 | |
| 920 | in = (struct scmi_voltd_attr_in *)msg->in_msg; |
| 921 | out = (struct scmi_voltd_attr_out *)msg->out_msg; |
| 922 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 923 | voltd_state = get_scmi_voltd_state(in->domain_id); |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 924 | if (!voltd_state) { |
| 925 | dev_err(dev, "Unexpected domain ID %u\n", in->domain_id); |
| 926 | |
| 927 | out->status = SCMI_NOT_FOUND; |
| 928 | } else { |
| 929 | memset(out, 0, sizeof(*out)); |
| 930 | snprintf(out->name, sizeof(out->name), "regu%u", in->domain_id); |
| 931 | |
| 932 | out->status = SCMI_SUCCESS; |
| 933 | } |
| 934 | |
| 935 | return 0; |
| 936 | } |
| 937 | |
| 938 | static int sandbox_scmi_voltd_config_set(struct udevice *dev, |
| 939 | struct scmi_msg *msg) |
| 940 | { |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 941 | struct scmi_voltd_config_set_in *in = NULL; |
| 942 | struct scmi_voltd_config_set_out *out = NULL; |
| 943 | struct sandbox_scmi_voltd *voltd_state = NULL; |
| 944 | |
| 945 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 946 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 947 | return -EINVAL; |
| 948 | |
| 949 | in = (struct scmi_voltd_config_set_in *)msg->in_msg; |
| 950 | out = (struct scmi_voltd_config_set_out *)msg->out_msg; |
| 951 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 952 | voltd_state = get_scmi_voltd_state(in->domain_id); |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 953 | if (!voltd_state) { |
| 954 | dev_err(dev, "Unexpected domain ID %u\n", in->domain_id); |
| 955 | |
| 956 | out->status = SCMI_NOT_FOUND; |
| 957 | } else if (in->config & ~SCMI_VOLTD_CONFIG_MASK) { |
| 958 | dev_err(dev, "Invalid config value 0x%x\n", in->config); |
| 959 | |
| 960 | out->status = SCMI_INVALID_PARAMETERS; |
| 961 | } else if (in->config != SCMI_VOLTD_CONFIG_ON && |
| 962 | in->config != SCMI_VOLTD_CONFIG_OFF) { |
| 963 | dev_err(dev, "Unexpected custom value 0x%x\n", in->config); |
| 964 | |
| 965 | out->status = SCMI_INVALID_PARAMETERS; |
| 966 | } else { |
| 967 | voltd_state->enabled = in->config == SCMI_VOLTD_CONFIG_ON; |
| 968 | out->status = SCMI_SUCCESS; |
| 969 | } |
| 970 | |
| 971 | return 0; |
| 972 | } |
| 973 | |
| 974 | static int sandbox_scmi_voltd_config_get(struct udevice *dev, |
| 975 | struct scmi_msg *msg) |
| 976 | { |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 977 | struct scmi_voltd_config_get_in *in = NULL; |
| 978 | struct scmi_voltd_config_get_out *out = NULL; |
| 979 | struct sandbox_scmi_voltd *voltd_state = NULL; |
| 980 | |
| 981 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 982 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 983 | return -EINVAL; |
| 984 | |
| 985 | in = (struct scmi_voltd_config_get_in *)msg->in_msg; |
| 986 | out = (struct scmi_voltd_config_get_out *)msg->out_msg; |
| 987 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 988 | voltd_state = get_scmi_voltd_state(in->domain_id); |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 989 | if (!voltd_state) { |
| 990 | dev_err(dev, "Unexpected domain ID %u\n", in->domain_id); |
| 991 | |
| 992 | out->status = SCMI_NOT_FOUND; |
| 993 | } else { |
| 994 | if (voltd_state->enabled) |
| 995 | out->config = SCMI_VOLTD_CONFIG_ON; |
| 996 | else |
| 997 | out->config = SCMI_VOLTD_CONFIG_OFF; |
| 998 | |
| 999 | out->status = SCMI_SUCCESS; |
| 1000 | } |
| 1001 | |
| 1002 | return 0; |
| 1003 | } |
| 1004 | |
| 1005 | static int sandbox_scmi_voltd_level_set(struct udevice *dev, |
| 1006 | struct scmi_msg *msg) |
| 1007 | { |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 1008 | struct scmi_voltd_level_set_in *in = NULL; |
| 1009 | struct scmi_voltd_level_set_out *out = NULL; |
| 1010 | struct sandbox_scmi_voltd *voltd_state = NULL; |
| 1011 | |
| 1012 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 1013 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 1014 | return -EINVAL; |
| 1015 | |
| 1016 | in = (struct scmi_voltd_level_set_in *)msg->in_msg; |
| 1017 | out = (struct scmi_voltd_level_set_out *)msg->out_msg; |
| 1018 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 1019 | voltd_state = get_scmi_voltd_state(in->domain_id); |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 1020 | if (!voltd_state) { |
| 1021 | dev_err(dev, "Unexpected domain ID %u\n", in->domain_id); |
| 1022 | |
| 1023 | out->status = SCMI_NOT_FOUND; |
| 1024 | } else { |
| 1025 | voltd_state->voltage_uv = in->voltage_level; |
| 1026 | out->status = SCMI_SUCCESS; |
| 1027 | } |
| 1028 | |
| 1029 | return 0; |
| 1030 | } |
| 1031 | |
| 1032 | static int sandbox_scmi_voltd_level_get(struct udevice *dev, |
| 1033 | struct scmi_msg *msg) |
| 1034 | { |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 1035 | struct scmi_voltd_level_get_in *in = NULL; |
| 1036 | struct scmi_voltd_level_get_out *out = NULL; |
| 1037 | struct sandbox_scmi_voltd *voltd_state = NULL; |
| 1038 | |
| 1039 | if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || |
| 1040 | !msg->out_msg || msg->out_msg_sz < sizeof(*out)) |
| 1041 | return -EINVAL; |
| 1042 | |
| 1043 | in = (struct scmi_voltd_level_get_in *)msg->in_msg; |
| 1044 | out = (struct scmi_voltd_level_get_out *)msg->out_msg; |
| 1045 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 1046 | voltd_state = get_scmi_voltd_state(in->domain_id); |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 1047 | if (!voltd_state) { |
| 1048 | dev_err(dev, "Unexpected domain ID %u\n", in->domain_id); |
| 1049 | |
| 1050 | out->status = SCMI_NOT_FOUND; |
| 1051 | } else { |
| 1052 | out->voltage_level = voltd_state->voltage_uv; |
| 1053 | out->status = SCMI_SUCCESS; |
| 1054 | } |
| 1055 | |
AKASHI Takahiro | 6221bf7 | 2023-10-11 19:06:56 +0900 | [diff] [blame] | 1056 | return 0; |
| 1057 | } |
| 1058 | |
| 1059 | /** |
| 1060 | * sandbox_scmi_of_get_channel - assigne a channel |
| 1061 | * @dev: SCMI agent device |
| 1062 | * @protocol: SCMI protocol device |
| 1063 | * @channel: Pointer to channel info |
| 1064 | * |
| 1065 | * Assign a channel for the protocol, @protocol, in @channel, |
| 1066 | * based on a device tree's property. |
| 1067 | * |
| 1068 | * Return: 0 on success, error code on failure |
| 1069 | */ |
| 1070 | static int sandbox_scmi_of_get_channel(struct udevice *dev, |
| 1071 | struct udevice *protocol, |
| 1072 | struct scmi_channel **channel) |
| 1073 | { |
| 1074 | struct sandbox_channel *agent_chan = dev_get_plat(dev); |
| 1075 | struct sandbox_channel *chan; |
| 1076 | u32 channel_id; |
| 1077 | |
| 1078 | if (dev_read_u32(protocol, "linaro,sandbox-channel-id", &channel_id)) { |
| 1079 | /* Uses agent channel */ |
| 1080 | *channel = container_of(agent_chan, struct scmi_channel, ref); |
| 1081 | |
| 1082 | return 0; |
| 1083 | } |
| 1084 | |
| 1085 | /* Setup a dedicated channel */ |
| 1086 | chan = calloc(1, sizeof(*chan)); |
| 1087 | if (!chan) |
| 1088 | return -ENOMEM; |
| 1089 | |
| 1090 | chan->channel_id = channel_id; |
| 1091 | |
| 1092 | *channel = container_of(chan, struct scmi_channel, ref); |
| 1093 | |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 1094 | return 0; |
| 1095 | } |
| 1096 | |
AKASHI Takahiro | 6221bf7 | 2023-10-11 19:06:56 +0900 | [diff] [blame] | 1097 | /** |
| 1098 | * sandbox_scmi_of_to_plat - assigne a channel to agent |
| 1099 | * @dev: SCMI agent device |
| 1100 | * |
| 1101 | * Assign a channel for the agent, @protocol. |
| 1102 | * |
| 1103 | * Return: always 0 |
| 1104 | */ |
| 1105 | static int sandbox_scmi_of_to_plat(struct udevice *dev) |
| 1106 | { |
| 1107 | struct sandbox_channel *chan = dev_get_plat(dev); |
| 1108 | |
| 1109 | /* The channel for agent is always 0 */ |
| 1110 | chan->channel_id = 0; |
| 1111 | |
| 1112 | return 0; |
| 1113 | } |
| 1114 | |
| 1115 | unsigned int sandbox_scmi_channel_id(struct udevice *dev) |
| 1116 | { |
| 1117 | struct scmi_agent_proto_priv *priv; |
| 1118 | struct sandbox_channel *chan; |
| 1119 | |
| 1120 | priv = dev_get_parent_priv(dev); |
| 1121 | chan = (struct sandbox_channel *)&priv->channel->ref; |
| 1122 | |
| 1123 | return chan->channel_id; |
| 1124 | } |
| 1125 | |
AKASHI Takahiro | 59171ff | 2023-11-14 11:14:25 +0900 | [diff] [blame] | 1126 | static int sandbox_proto_not_supported(struct scmi_msg *msg) |
| 1127 | { |
| 1128 | *(u32 *)msg->out_msg = SCMI_NOT_SUPPORTED; |
| 1129 | |
| 1130 | return 0; |
| 1131 | } |
| 1132 | |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1133 | static int sandbox_scmi_test_process_msg(struct udevice *dev, |
Etienne Carriere | 0544029 | 2022-05-31 18:09:19 +0200 | [diff] [blame] | 1134 | struct scmi_channel *channel, |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1135 | struct scmi_msg *msg) |
| 1136 | { |
| 1137 | switch (msg->protocol_id) { |
AKASHI Takahiro | 4b9839a | 2023-10-11 19:07:02 +0900 | [diff] [blame] | 1138 | case SCMI_PROTOCOL_ID_BASE: |
| 1139 | switch (msg->message_id) { |
| 1140 | case SCMI_PROTOCOL_VERSION: |
| 1141 | return sandbox_scmi_base_protocol_version(dev, msg); |
| 1142 | case SCMI_PROTOCOL_ATTRIBUTES: |
| 1143 | return sandbox_scmi_base_protocol_attrs(dev, msg); |
| 1144 | case SCMI_PROTOCOL_MESSAGE_ATTRIBUTES: |
| 1145 | return sandbox_scmi_base_message_attrs(dev, msg); |
| 1146 | case SCMI_BASE_DISCOVER_VENDOR: |
| 1147 | return sandbox_scmi_base_discover_vendor(dev, msg); |
| 1148 | case SCMI_BASE_DISCOVER_SUB_VENDOR: |
| 1149 | return sandbox_scmi_base_discover_sub_vendor(dev, msg); |
| 1150 | case SCMI_BASE_DISCOVER_IMPL_VERSION: |
| 1151 | return sandbox_scmi_base_discover_impl_version(dev, msg); |
| 1152 | case SCMI_BASE_DISCOVER_LIST_PROTOCOLS: |
| 1153 | return sandbox_scmi_base_discover_list_protocols(dev, msg); |
| 1154 | case SCMI_BASE_DISCOVER_AGENT: |
| 1155 | return sandbox_scmi_base_discover_agent(dev, msg); |
| 1156 | case SCMI_BASE_NOTIFY_ERRORS: |
| 1157 | break; |
| 1158 | case SCMI_BASE_SET_DEVICE_PERMISSIONS: |
| 1159 | return sandbox_scmi_base_set_device_permissions(dev, msg); |
| 1160 | case SCMI_BASE_SET_PROTOCOL_PERMISSIONS: |
| 1161 | return sandbox_scmi_base_set_protocol_permissions(dev, msg); |
| 1162 | case SCMI_BASE_RESET_AGENT_CONFIGURATION: |
| 1163 | return sandbox_scmi_base_reset_agent_configuration(dev, msg); |
| 1164 | default: |
| 1165 | break; |
| 1166 | } |
| 1167 | break; |
AKASHI Takahiro | 535a7bd | 2023-10-16 14:39:45 +0900 | [diff] [blame] | 1168 | case SCMI_PROTOCOL_ID_POWER_DOMAIN: |
AKASHI Takahiro | 59171ff | 2023-11-14 11:14:25 +0900 | [diff] [blame] | 1169 | if (!CONFIG_IS_ENABLED(SCMI_POWER_DOMAIN)) |
| 1170 | return sandbox_proto_not_supported(msg); |
| 1171 | |
AKASHI Takahiro | 535a7bd | 2023-10-16 14:39:45 +0900 | [diff] [blame] | 1172 | switch (msg->message_id) { |
| 1173 | case SCMI_PROTOCOL_VERSION: |
| 1174 | return sandbox_scmi_pwd_protocol_version(dev, msg); |
| 1175 | case SCMI_PROTOCOL_ATTRIBUTES: |
| 1176 | return sandbox_scmi_pwd_protocol_attribs(dev, msg); |
| 1177 | case SCMI_PROTOCOL_MESSAGE_ATTRIBUTES: |
| 1178 | return sandbox_scmi_pwd_protocol_msg_attribs(dev, msg); |
| 1179 | case SCMI_PWD_ATTRIBUTES: |
| 1180 | return sandbox_scmi_pwd_attribs(dev, msg); |
| 1181 | case SCMI_PWD_STATE_SET: |
| 1182 | return sandbox_scmi_pwd_state_set(dev, msg); |
| 1183 | case SCMI_PWD_STATE_GET: |
| 1184 | return sandbox_scmi_pwd_state_get(dev, msg); |
| 1185 | case SCMI_PWD_NAME_GET: |
| 1186 | return sandbox_scmi_pwd_name_get(dev, msg); |
| 1187 | default: |
| 1188 | break; |
| 1189 | } |
| 1190 | break; |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 1191 | case SCMI_PROTOCOL_ID_CLOCK: |
AKASHI Takahiro | 59171ff | 2023-11-14 11:14:25 +0900 | [diff] [blame] | 1192 | if (!CONFIG_IS_ENABLED(CLK_SCMI)) |
| 1193 | return sandbox_proto_not_supported(msg); |
| 1194 | |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 1195 | switch (msg->message_id) { |
Etienne Carriere | 4c4ec90 | 2022-02-21 09:22:42 +0100 | [diff] [blame] | 1196 | case SCMI_PROTOCOL_ATTRIBUTES: |
| 1197 | return sandbox_scmi_clock_protocol_attribs(dev, msg); |
| 1198 | case SCMI_CLOCK_ATTRIBUTES: |
| 1199 | return sandbox_scmi_clock_attribs(dev, msg); |
Etienne Carriere | 2d94c08fa | 2020-09-09 18:44:05 +0200 | [diff] [blame] | 1200 | case SCMI_CLOCK_RATE_SET: |
| 1201 | return sandbox_scmi_clock_rate_set(dev, msg); |
| 1202 | case SCMI_CLOCK_RATE_GET: |
| 1203 | return sandbox_scmi_clock_rate_get(dev, msg); |
| 1204 | case SCMI_CLOCK_CONFIG_SET: |
| 1205 | return sandbox_scmi_clock_gate(dev, msg); |
| 1206 | default: |
| 1207 | break; |
| 1208 | } |
| 1209 | break; |
Etienne Carriere | 8b9b689 | 2020-09-09 18:44:07 +0200 | [diff] [blame] | 1210 | case SCMI_PROTOCOL_ID_RESET_DOMAIN: |
AKASHI Takahiro | 59171ff | 2023-11-14 11:14:25 +0900 | [diff] [blame] | 1211 | if (!CONFIG_IS_ENABLED(RESET_SCMI)) |
| 1212 | return sandbox_proto_not_supported(msg); |
| 1213 | |
Etienne Carriere | 8b9b689 | 2020-09-09 18:44:07 +0200 | [diff] [blame] | 1214 | switch (msg->message_id) { |
| 1215 | case SCMI_RESET_DOMAIN_ATTRIBUTES: |
| 1216 | return sandbox_scmi_rd_attribs(dev, msg); |
| 1217 | case SCMI_RESET_DOMAIN_RESET: |
| 1218 | return sandbox_scmi_rd_reset(dev, msg); |
| 1219 | default: |
| 1220 | break; |
| 1221 | } |
| 1222 | break; |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 1223 | case SCMI_PROTOCOL_ID_VOLTAGE_DOMAIN: |
AKASHI Takahiro | 59171ff | 2023-11-14 11:14:25 +0900 | [diff] [blame] | 1224 | if (!CONFIG_IS_ENABLED(DM_REGULATOR_SCMI)) |
| 1225 | return sandbox_proto_not_supported(msg); |
| 1226 | |
Etienne Carriere | b8f15cd | 2021-03-08 22:38:07 +0100 | [diff] [blame] | 1227 | switch (msg->message_id) { |
| 1228 | case SCMI_VOLTAGE_DOMAIN_ATTRIBUTES: |
| 1229 | return sandbox_scmi_voltd_attribs(dev, msg); |
| 1230 | case SCMI_VOLTAGE_DOMAIN_CONFIG_SET: |
| 1231 | return sandbox_scmi_voltd_config_set(dev, msg); |
| 1232 | case SCMI_VOLTAGE_DOMAIN_CONFIG_GET: |
| 1233 | return sandbox_scmi_voltd_config_get(dev, msg); |
| 1234 | case SCMI_VOLTAGE_DOMAIN_LEVEL_SET: |
| 1235 | return sandbox_scmi_voltd_level_set(dev, msg); |
| 1236 | case SCMI_VOLTAGE_DOMAIN_LEVEL_GET: |
| 1237 | return sandbox_scmi_voltd_level_get(dev, msg); |
| 1238 | default: |
| 1239 | break; |
| 1240 | } |
| 1241 | break; |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1242 | case SCMI_PROTOCOL_ID_SYSTEM: |
| 1243 | case SCMI_PROTOCOL_ID_PERF: |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1244 | case SCMI_PROTOCOL_ID_SENSOR: |
AKASHI Takahiro | 59171ff | 2023-11-14 11:14:25 +0900 | [diff] [blame] | 1245 | return sandbox_proto_not_supported(msg); |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1246 | default: |
| 1247 | break; |
| 1248 | } |
| 1249 | |
| 1250 | dev_err(dev, "%s(%s): Unhandled protocol_id %#x/message_id %#x\n", |
| 1251 | __func__, dev->name, msg->protocol_id, msg->message_id); |
| 1252 | |
| 1253 | if (msg->out_msg_sz < sizeof(u32)) |
| 1254 | return -EINVAL; |
| 1255 | |
| 1256 | /* Intentionnaly report unhandled IDs through the SCMI return code */ |
| 1257 | *(u32 *)msg->out_msg = SCMI_PROTOCOL_ERROR; |
| 1258 | return 0; |
| 1259 | } |
| 1260 | |
| 1261 | static int sandbox_scmi_test_remove(struct udevice *dev) |
| 1262 | { |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1263 | debug_print_agent_state(dev, "removed"); |
| 1264 | |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1265 | return 0; |
| 1266 | } |
| 1267 | |
| 1268 | static int sandbox_scmi_test_probe(struct udevice *dev) |
| 1269 | { |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1270 | struct sandbox_scmi_agent *agent = dev_get_priv(dev); |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1271 | |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 1272 | *agent = (struct sandbox_scmi_agent){ |
AKASHI Takahiro | 535a7bd | 2023-10-16 14:39:45 +0900 | [diff] [blame] | 1273 | .pwdom_version = SANDBOX_SCMI_PWD_PROTOCOL_VERSION, |
| 1274 | .pwdom = scmi_pwdom, |
| 1275 | .pwdom_count = ARRAY_SIZE(scmi_pwdom), |
Etienne Carriere | 09665cb | 2022-02-21 09:22:39 +0100 | [diff] [blame] | 1276 | .clk = scmi_clk, |
| 1277 | .clk_count = ARRAY_SIZE(scmi_clk), |
| 1278 | .reset = scmi_reset, |
| 1279 | .reset_count = ARRAY_SIZE(scmi_reset), |
| 1280 | .voltd = scmi_voltd, |
| 1281 | .voltd_count = ARRAY_SIZE(scmi_voltd), |
| 1282 | }; |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1283 | |
| 1284 | debug_print_agent_state(dev, "probed"); |
| 1285 | |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1286 | return 0; |
| 1287 | }; |
| 1288 | |
| 1289 | static const struct udevice_id sandbox_scmi_test_ids[] = { |
| 1290 | { .compatible = "sandbox,scmi-agent" }, |
| 1291 | { } |
| 1292 | }; |
| 1293 | |
| 1294 | struct scmi_agent_ops sandbox_scmi_test_ops = { |
AKASHI Takahiro | 6221bf7 | 2023-10-11 19:06:56 +0900 | [diff] [blame] | 1295 | .of_get_channel = sandbox_scmi_of_get_channel, |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1296 | .process_msg = sandbox_scmi_test_process_msg, |
| 1297 | }; |
| 1298 | |
| 1299 | U_BOOT_DRIVER(sandbox_scmi_agent) = { |
| 1300 | .name = "sandbox-scmi_agent", |
| 1301 | .id = UCLASS_SCMI_AGENT, |
| 1302 | .of_match = sandbox_scmi_test_ids, |
Simon Glass | 8a2b47f | 2020-12-03 16:55:17 -0700 | [diff] [blame] | 1303 | .priv_auto = sizeof(struct sandbox_scmi_agent), |
AKASHI Takahiro | 6221bf7 | 2023-10-11 19:06:56 +0900 | [diff] [blame] | 1304 | .plat_auto = sizeof(struct sandbox_channel), |
| 1305 | .of_to_plat = sandbox_scmi_of_to_plat, |
Etienne Carriere | 02fd126 | 2020-09-09 18:44:00 +0200 | [diff] [blame] | 1306 | .probe = sandbox_scmi_test_probe, |
| 1307 | .remove = sandbox_scmi_test_remove, |
| 1308 | .ops = &sandbox_scmi_test_ops, |
| 1309 | }; |