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authorTom Hughes <tomhughes@chromium.org>2022-09-21 14:08:36 -0700
committerTom Hughes <tomhughes@chromium.org>2022-09-22 12:59:38 -0700
commitc453fd704268ef72de871b0c5ac7a989de662334 (patch)
treefcf6ce5810f9ff9e3c8cce434812dd75492269ed /driver/nvidia_gpu.c
parent6c1587ca70f558b4f96b3f0b18ad8b027d3ba99d (diff)
parent28712dae9d7ed1e694f7622cc083afa71090d4d5 (diff)
downloadchrome-ec-firmware-fpmcu-dartmonkey-release.tar.gz
Merge remote-tracking branch cros/main into firmware-fpmcu-dartmonkey-releasefirmware-fpmcu-dartmonkey-release
Generated by: ./util/update_release_branch.py --board dartmonkey --relevant_paths_file ./util/fingerprint-relevant-paths.txt firmware-fpmcu-dartmonkey-release Relevant changes: git log --oneline 6c1587ca70..28712dae9d -- board/nocturne_fp board/dartmonkey common/fpsensor docs/fingerprint driver/fingerprint util/getversion.sh ded9307b79 util/getversion.sh: Fix version when not in a git repo 956055e692 board: change Google USB vendor info 71b2ef709d Update license boilerplate text in source code files 33e11afda0 Revert "fpsensor: Build fpsensor source file with C++" c8d0360723 fpsensor: Build fpsensor source file with C++ bc113abd53 fpsensor: Fix g++ compiler error 150a58a0dc fpsensor: Fix fp_set_sensor_mode return type b33b5ce85b fpsensor: Remove nested designators for C++ compatibility 2e864b2539 tree-wide: const-ify argv for console commands 56d8b360f9 test: Add test for get ikm failure when seed not set 3a3d6c3690 test: Add test for fpsensor trivial key failure 233e6bbd08 fpsensor_crypto: Abstract calls to hmac_SHA256 0a041b285b docs/fingerprint: Typo correction c03fab67e2 docs/fingerprint: Fix the path of fputils.py 0b5d4baf5a util/getversion.sh: Fix empty file list handling 6e128fe760 FPMCU dev board environment with Satlab 3eb29b6aa5 builtin: Move ssize_t to sys/types.h 345d62ebd1 docs/fingerprint: Update power numbers for latest dartmonkey release c25ffdb316 common: Conditionally support printf %l and %i modifiers 9a3c514b45 test: Add a test to check if the debugger is connected 54e603413f Move standard library tests to their own file 43fa6b4bf8 docs/fingerprint: Update power numbers for latest bloonchipper release 25536f9a84 driver/fingerprint/fpc/bep/fpc_sensor_spi.c: Format with clang-format 4face99efd driver/fingerprint/fpc/libfp/fpc_sensor_pal.h: Format with clang-format 738de2b575 trng: Rename rand to trng_rand 14b8270edd docs/fingerprint: Update dragonclaw power numbers 0b268f93d1 driver/fingerprint/fpc/libfp/fpc_private.c: Format with clang-format f80da163f2 driver/fingerprint/fpc/libfp/fpc_private.h: Format with clang-format a0751778f4 board/nocturne_fp/ro_workarounds.c: Format with clang-format 5e9c85c9b1 driver/fingerprint/fpc/libfp/fpc_sensor_pal.c: Format with clang-format c1f9dd3cf8 driver/fingerprint/fpc/libfp/fpc_bio_algorithm.h: Format with clang-format eb1e1bed8d driver/fingerprint/fpc/libfp/fpc1145_private.h: Format with clang-format 6e7b611821 driver/fingerprint/fpc/bep/fpc_bio_algorithm.h: Format with clang-format e0589cd5e2 driver/fingerprint/fpc/bep/fpc1035_private.h: Format with clang-format 58f0246dbe board/nocturne_fp/board_ro.c: Format with clang-format 7905e556a0 common/fpsensor/fpsensor_crypto.c: Format with clang-format 21289d170c driver/fingerprint/fpc/bep/fpc1025_private.h: Format with clang-format 98a20f937e common/fpsensor/fpsensor_state.c: Format with clang-format a2d255d8af common/fpsensor/fpsensor.c: Format with clang-format 84e53a65da board/nocturne_fp/board.h: Format with clang-format 73055eeb3f driver/fingerprint/fpc/bep/fpc_private.c: Format with clang-format 0f7b5cb509 common/fpsensor/fpsensor_private.h: Format with clang-format 1ceade6e65 driver/fingerprint/fpc/bep/fpc_private.h: Format with clang-format dca9d74321 Revert "trng: Rename rand to trng_rand" a6b0b3554f trng: Rename rand to trng_rand 28d0b75b70 third_party/boringssl: Remove unused header BRANCH=None BUG=b:244387210 b:242720240 b:215613183 b:242720910 b:236386294 BUG=b:234181908 b:244781166 b:234781655 b:234143158 b:234181908 BUG=b:237344361 b:236025198 b:234181908 b:180945056 chromium:1098010 BUG=b:246424843 b:234181908 b:131913998 TEST=`make -j buildall` TEST=./util/run_device_tests.py --board dartmonkey Test "aes": PASSED Test "cec": PASSED Test "cortexm_fpu": PASSED Test "crc": PASSED Test "flash_physical": PASSED Test "flash_write_protect": PASSED Test "fpsensor_hw": PASSED Test "fpsensor_spi_ro": PASSED Test "fpsensor_spi_rw": PASSED Test "fpsensor_uart_ro": PASSED Test "fpsensor_uart_rw": PASSED Test "mpu_ro": PASSED Test "mpu_rw": PASSED Test "mutex": PASSED Test "pingpong": PASSED Test "printf": PASSED Test "queue": PASSED Test "rollback_region0": PASSED Test "rollback_region1": PASSED Test "rollback_entropy": PASSED Test "rtc": PASSED Test "sha256": PASSED Test "sha256_unrolled": PASSED Test "static_if": PASSED Test "stdlib": PASSED Test "system_is_locked_wp_on": PASSED Test "system_is_locked_wp_off": PASSED Test "timer_dos": PASSED Test "utils": PASSED Test "utils_str": PASSED Test "panic_data_dartmonkey_v2.0.2887": PASSED Test "panic_data_nocturne_fp_v2.2.64": PASSED Test "panic_data_nami_fp_v2.2.144": PASSED Force-Relevant-Builds: all Signed-off-by: Tom Hughes <tomhughes@chromium.org> Change-Id: I2c312583a709fedae8fe11d92c22328c3b634bc7
Diffstat (limited to 'driver/nvidia_gpu.c')
-rw-r--r--driver/nvidia_gpu.c161
1 files changed, 161 insertions, 0 deletions
diff --git a/driver/nvidia_gpu.c b/driver/nvidia_gpu.c
new file mode 100644
index 0000000000..e9fbd156ac
--- /dev/null
+++ b/driver/nvidia_gpu.c
@@ -0,0 +1,161 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Nvidia GPU D-Notify driver
+ */
+
+#include <stddef.h>
+
+#include "charge_manager.h"
+#include "charge_state.h"
+#include "compile_time_macros.h"
+#include "console.h"
+#include "extpower.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "host_command.h"
+#include "nvidia_gpu.h"
+#include "throttle_ap.h"
+#include "timer.h"
+
+#define CPRINTS(fmt, args...) cprints(CC_GPU, "GPU: " fmt, ##args)
+#define CPRINTF(fmt, args...) cprintf(CC_GPU, "GPU: " fmt, ##args)
+
+test_export_static enum d_notify_level d_notify_level = D_NOTIFY_1;
+test_export_static bool policy_initialized = false;
+test_export_static const struct d_notify_policy *d_notify_policy = NULL;
+
+void nvidia_gpu_init_policy(const struct d_notify_policy *policy)
+{
+ if (policy) {
+ d_notify_policy = policy;
+ policy_initialized = true;
+ }
+}
+
+void nvidia_gpu_over_temp(int assert)
+{
+ uint8_t *memmap_gpu = (uint8_t *)host_get_memmap(EC_MEMMAP_GPU);
+
+ if (assert)
+ *memmap_gpu |= EC_MEMMAP_GPU_OVERT_BIT;
+ else
+ *memmap_gpu &= ~EC_MEMMAP_GPU_OVERT_BIT;
+
+ host_set_single_event(EC_HOST_EVENT_GPU);
+}
+
+static void set_d_notify_level(enum d_notify_level level)
+{
+ uint8_t *memmap_gpu = (uint8_t *)host_get_memmap(EC_MEMMAP_GPU);
+
+ if (level == d_notify_level)
+ return;
+
+ d_notify_level = level;
+ *memmap_gpu = (*memmap_gpu & ~EC_MEMMAP_GPU_D_NOTIFY_MASK) |
+ d_notify_level;
+ host_set_single_event(EC_HOST_EVENT_GPU);
+ CPRINTS("Set D-notify level to D%c", ('1' + (int)d_notify_level));
+}
+
+static void evaluate_d_notify_level(void)
+{
+ enum d_notify_level lvl;
+ const struct d_notify_policy *policy = d_notify_policy;
+
+ /*
+ * We don't need to care about 'transitioning to S0' because throttling
+ * is unlikely required when the system is about to start.
+ */
+ if (!chipset_in_state(CHIPSET_STATE_ON))
+ return;
+
+ if (!policy_initialized) {
+ CPRINTS("WARN: %s called before policies are set.", __func__);
+ return;
+ }
+
+ if (extpower_is_present()) {
+ const int watts = charge_manager_get_power_limit_uw() / 1000000;
+
+ for (lvl = D_NOTIFY_1; lvl <= D_NOTIFY_5; lvl++) {
+ if (policy[lvl].power_source != D_NOTIFY_AC &&
+ policy[lvl].power_source != D_NOTIFY_AC_DC)
+ continue;
+
+ if (policy[lvl].power_source == D_NOTIFY_AC) {
+ if (watts >= policy[lvl].ac.min_charger_watts) {
+ set_d_notify_level(lvl);
+ break;
+ }
+ } else {
+ set_d_notify_level(lvl);
+ break;
+ }
+ }
+ } else {
+ const int soc = charge_get_percent();
+
+ for (lvl = D_NOTIFY_5; lvl >= D_NOTIFY_1; lvl--) {
+ if (policy[lvl].power_source == D_NOTIFY_DC) {
+ if (soc <= policy[lvl].dc.min_battery_soc) {
+ set_d_notify_level(lvl);
+ break;
+ }
+ } else if (policy[lvl].power_source == D_NOTIFY_AC_DC) {
+ set_d_notify_level(lvl);
+ break;
+ }
+ }
+ }
+}
+
+static void disable_gpu_acoff(void)
+{
+ gpio_set_level(GPIO_NVIDIA_GPU_ACOFF_ODL, 1);
+ evaluate_d_notify_level();
+}
+DECLARE_DEFERRED(disable_gpu_acoff);
+
+static void handle_battery_soc_change(void)
+{
+ evaluate_d_notify_level();
+}
+DECLARE_HOOK(HOOK_BATTERY_SOC_CHANGE, handle_battery_soc_change,
+ HOOK_PRIO_DEFAULT);
+
+/*
+ * This function enables and disables both hard and soft throttles. (Thus,
+ * <type> has no meaning.).
+ *
+ * When throttling, it hard-throttles the GPU and sets the D-level to D5. It
+ * also schedules a deferred call to disable the hard throttle. So, it's not
+ * necessary to call it for unthrottling.
+ *
+ * Currently, it's upto each board when this is called. For example, it can be
+ * called from board_set_active_charge_port since board_set_active_charge_port
+ * is called whenever (and prior to) active port or active supplier or both
+ * changes.
+ */
+void throttle_gpu(enum throttle_level level, enum throttle_type type, /* not
+ used */
+ enum throttle_sources source)
+{
+ if (level == THROTTLE_ON) {
+ /* Cancel pending deferred call. */
+ hook_call_deferred(&disable_gpu_acoff_data, -1);
+ /* Toggle hardware throttle immediately. */
+ gpio_set_level(GPIO_NVIDIA_GPU_ACOFF_ODL, 0);
+ /*
+ * Switch to the lowest (D5) first then move up as the situation
+ * improves.
+ */
+ set_d_notify_level(D_NOTIFY_5);
+ hook_call_deferred(&disable_gpu_acoff_data,
+ NVIDIA_GPU_ACOFF_DURATION);
+ } else {
+ disable_gpu_acoff();
+ }
+}