diff options
author | Tom Hughes <tomhughes@chromium.org> | 2022-09-21 14:08:36 -0700 |
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committer | Tom Hughes <tomhughes@chromium.org> | 2022-09-22 12:59:38 -0700 |
commit | c453fd704268ef72de871b0c5ac7a989de662334 (patch) | |
tree | fcf6ce5810f9ff9e3c8cce434812dd75492269ed /zephyr/projects/nissa/joxer/src/usbc.c | |
parent | 6c1587ca70f558b4f96b3f0b18ad8b027d3ba99d (diff) | |
parent | 28712dae9d7ed1e694f7622cc083afa71090d4d5 (diff) | |
download | chrome-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 'zephyr/projects/nissa/joxer/src/usbc.c')
-rw-r--r-- | zephyr/projects/nissa/joxer/src/usbc.c | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/zephyr/projects/nissa/joxer/src/usbc.c b/zephyr/projects/nissa/joxer/src/usbc.c new file mode 100644 index 0000000000..5fec9ab544 --- /dev/null +++ b/zephyr/projects/nissa/joxer/src/usbc.c @@ -0,0 +1,392 @@ +/* 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. + */ + +#include <zephyr/logging/log.h> +#include <ap_power/ap_power.h> + +#include "charge_state_v2.h" +#include "chipset.h" +#include "hooks.h" +#include "usb_mux.h" +#include "system.h" +#include "driver/charger/sm5803.h" +#include "driver/tcpm/it83xx_pd.h" +#include "driver/tcpm/ps8xxx_public.h" +#include "driver/tcpm/tcpci.h" + +#include "nissa_common.h" + +LOG_MODULE_DECLARE(nissa, CONFIG_NISSA_LOG_LEVEL); + +struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { + { + .bus_type = EC_BUS_TYPE_EMBEDDED, + /* TCPC is embedded within EC so no i2c config needed */ + .drv = &it8xxx2_tcpm_drv, + /* Alert is active-low, push-pull */ + .flags = 0, + }, + { + /* + * Sub-board: optional PS8745 TCPC+redriver. Behaves the same + * as PS8815. + */ + .bus_type = EC_BUS_TYPE_I2C, + .i2c_info = { + .port = I2C_PORT_USB_C1_TCPC, + .addr_flags = PS8XXX_I2C_ADDR1_FLAGS, + }, + .drv = &ps8xxx_tcpm_drv, + /* PS8745 implements TCPCI 2.0 */ + .flags = TCPC_FLAGS_TCPCI_REV2_0, + }, +}; + +/* Vconn control for integrated ITE TCPC */ +void board_pd_vconn_ctrl(int port, enum usbpd_cc_pin cc_pin, int enabled) +{ + /* Vconn control is only for port 0 */ + if (port) + return; + + if (cc_pin == USBPD_CC_PIN_1) + gpio_pin_set_dt( + GPIO_DT_FROM_NODELABEL(gpio_en_usb_c0_cc1_vconn), + !!enabled); + else + gpio_pin_set_dt( + GPIO_DT_FROM_NODELABEL(gpio_en_usb_c0_cc2_vconn), + !!enabled); +} + +__override bool pd_check_vbus_level(int port, enum vbus_level level) +{ + return sm5803_check_vbus_level(port, level); +} + +/* + * Putting chargers into LPM when in suspend reduces power draw by about 8mW + * per charger, but also seems critical to correct operation in source mode: + * if chargers are not in LPM when a sink is first connected, VBUS sourcing + * works even if the partner is later removed (causing LPM entry) and + * reconnected (causing LPM exit). If in LPM initially, sourcing VBUS + * consistently causes the charger to report (apparently spurious) overcurrent + * failures. + * + * In short, this is important to making things work correctly but we don't + * understand why. + */ +static void board_chargers_suspend(struct ap_power_ev_callback *const cb, + const struct ap_power_ev_data data) +{ + void (*fn)(int chgnum); + + switch (data.event) { + case AP_POWER_SUSPEND: + fn = sm5803_enable_low_power_mode; + break; + case AP_POWER_RESUME: + fn = sm5803_disable_low_power_mode; + break; + default: + LOG_WRN("%s: power event %d is not recognized", __func__, + data.event); + return; + } + + fn(CHARGER_PRIMARY); + if (board_get_charger_chip_count() > 1) + fn(CHARGER_SECONDARY); +} + +static int board_chargers_suspend_init(const struct device *unused) +{ + static struct ap_power_ev_callback cb = { + .handler = board_chargers_suspend, + .events = AP_POWER_SUSPEND | AP_POWER_RESUME, + }; + ap_power_ev_add_callback(&cb); + return 0; +} +SYS_INIT(board_chargers_suspend_init, APPLICATION, 0); + +int board_set_active_charge_port(int port) +{ + int is_real_port = (port >= 0 && port < board_get_usb_pd_port_count()); + int i; + int old_port; + int rv; + + if (!is_real_port && port != CHARGE_PORT_NONE) + return EC_ERROR_INVAL; + + old_port = charge_manager_get_active_charge_port(); + LOG_INF("Charge update: p%d -> p%d", old_port, port); + + /* Check if port is sourcing VBUS. */ + if (port != CHARGE_PORT_NONE && charger_is_sourcing_otg_power(port)) { + LOG_WRN("Skip enable p%d: already sourcing", port); + return EC_ERROR_INVAL; + } + + /* Disable sinking on all ports except the desired one */ + for (i = 0; i < board_get_usb_pd_port_count(); i++) { + if (i == port) + continue; + + if (sm5803_vbus_sink_enable(i, 0)) + /* + * Do not early-return because this can fail during + * power-on which would put us into a loop. + */ + LOG_WRN("p%d: sink path disable failed.", i); + } + + /* Don't enable anything (stop here) if no ports were requested */ + if ((port == CHARGE_PORT_NONE) || (old_port == port)) + return EC_SUCCESS; + + /* + * Stop the charger IC from switching while changing ports. Otherwise, + * we can overcurrent the adapter we're switching to. (crbug.com/926056) + */ + if (old_port != CHARGE_PORT_NONE) + charger_discharge_on_ac(1); + + /* Enable requested charge port. */ + rv = sm5803_vbus_sink_enable(port, 1); + if (rv) + LOG_WRN("p%d: sink path enable failed: code %d", port, rv); + + /* Allow the charger IC to begin/continue switching. */ + charger_discharge_on_ac(0); + + return rv; +} + +uint16_t tcpc_get_alert_status(void) +{ + /* + * TCPC 0 is embedded in the EC and processes interrupts in the chip + * code (it83xx/intc.c). This function only needs to poll port C1 if + * present. + */ + uint16_t status = 0; + int regval; + + /* Is the C1 port present and its IRQ line asserted? */ + if (board_get_usb_pd_port_count() == 2 && + !gpio_pin_get_dt(GPIO_DT_FROM_ALIAS(gpio_usb_c1_int_odl))) { + /* + * C1 IRQ is shared between BC1.2 and TCPC; poll TCPC to see if + * it asserted the IRQ. + */ + if (!tcpc_read16(1, TCPC_REG_ALERT, ®val)) { + if (regval) + status = PD_STATUS_TCPC_ALERT_1; + } + } + + return status; +} + +void pd_power_supply_reset(int port) +{ + int prev_en; + + if (port < 0 || port >= board_get_usb_pd_port_count()) + return; + + prev_en = charger_is_sourcing_otg_power(port); + + /* Disable Vbus */ + charger_enable_otg_power(port, 0); + + /* Discharge Vbus if previously enabled */ + if (prev_en) + sm5803_set_vbus_disch(port, 1); + + /* Notify host of power info change. */ + pd_send_host_event(PD_EVENT_POWER_CHANGE); +} + +int pd_set_power_supply_ready(int port) +{ + enum ec_error_list rv; + + if (port < 0 || port > board_get_usb_pd_port_count()) { + LOG_WRN("Port C%d does not exist, cannot enable VBUS", port); + return EC_ERROR_INVAL; + } + + /* Disable sinking */ + rv = sm5803_vbus_sink_enable(port, 0); + if (rv) { + LOG_WRN("C%d failed to disable sinking: %d", port, rv); + return rv; + } + + /* Disable Vbus discharge */ + rv = sm5803_set_vbus_disch(port, 0); + if (rv) { + LOG_WRN("C%d failed to clear VBUS discharge: %d", port, rv); + return rv; + } + + /* Provide Vbus */ + rv = charger_enable_otg_power(port, 1); + if (rv) { + LOG_WRN("C%d failed to enable VBUS sourcing: %d", port, rv); + return rv; + } + + /* Notify host of power info change. */ + pd_send_host_event(PD_EVENT_POWER_CHANGE); + + return EC_SUCCESS; +} + +__override void typec_set_source_current_limit(int port, enum tcpc_rp_value rp) +{ + int rv; + const int current = rp == TYPEC_RP_3A0 ? 3000 : 1500; + + rv = charger_set_otg_current_voltage(port, current, 5000); + if (rv != EC_SUCCESS) { + LOG_WRN("Failed to set source ilimit on port %d to %d: %d", + port, current, rv); + } +} + +void board_reset_pd_mcu(void) +{ + /* + * Do nothing. The integrated TCPC for C0 lacks a dedicated reset + * command, and C1 (if present) doesn't have a reset pin connected + * to the EC. + */ +} + +#define INT_RECHECK_US 5000 + +/* C0 interrupt line shared by BC 1.2 and charger */ + +static void check_c0_line(void); +DECLARE_DEFERRED(check_c0_line); + +static void notify_c0_chips(void) +{ + usb_charger_task_set_event(0, USB_CHG_EVENT_BC12); + sm5803_interrupt(0); +} + +static void check_c0_line(void) +{ + /* + * If line is still being held low, see if there's more to process from + * one of the chips + */ + if (!gpio_pin_get_dt(GPIO_DT_FROM_NODELABEL(gpio_usb_c0_int_odl))) { + notify_c0_chips(); + hook_call_deferred(&check_c0_line_data, INT_RECHECK_US); + } +} + +void usb_c0_interrupt(enum gpio_signal s) +{ + /* Cancel any previous calls to check the interrupt line */ + hook_call_deferred(&check_c0_line_data, -1); + + /* Notify all chips using this line that an interrupt came in */ + notify_c0_chips(); + + /* Check the line again in 5ms */ + hook_call_deferred(&check_c0_line_data, INT_RECHECK_US); +} + +/* C1 interrupt line shared by BC 1.2, TCPC, and charger */ +static void check_c1_line(void); +DECLARE_DEFERRED(check_c1_line); + +static void notify_c1_chips(void) +{ + schedule_deferred_pd_interrupt(1); + usb_charger_task_set_event(1, USB_CHG_EVENT_BC12); + /* Charger is handled in board_process_pd_alert */ +} + +static void check_c1_line(void) +{ + /* + * If line is still being held low, see if there's more to process from + * one of the chips. + */ + if (!gpio_pin_get_dt(GPIO_DT_FROM_ALIAS(gpio_usb_c1_int_odl))) { + notify_c1_chips(); + hook_call_deferred(&check_c1_line_data, INT_RECHECK_US); + } +} + +void usb_c1_interrupt(enum gpio_signal s) +{ + /* Cancel any previous calls to check the interrupt line */ + hook_call_deferred(&check_c1_line_data, -1); + + /* Notify all chips using this line that an interrupt came in */ + notify_c1_chips(); + + /* Check the line again in 5ms */ + hook_call_deferred(&check_c1_line_data, INT_RECHECK_US); +} + +/* + * Check state of IRQ lines at startup, ensuring an IRQ that happened before + * the EC started up won't get lost (leaving the IRQ line asserted and blocking + * any further interrupts on the port). + * + * Although the PD task will check for pending TCPC interrupts on startup, + * the charger sharing the IRQ will not be polled automatically. + */ +void board_handle_initial_typec_irq(void) +{ + check_c0_line(); + check_c1_line(); +} +/* + * This must run after sub-board detection (which happens in EC main()), + * but isn't depended on by anything else either. + */ +DECLARE_HOOK(HOOK_INIT, board_handle_initial_typec_irq, HOOK_PRIO_LAST); + +/* + * Handle charger interrupts in the PD task. Not doing so can lead to a priority + * inversion where we fail to respond to TCPC alerts quickly enough because we + * don't get another edge on a shared IRQ until the charger interrupt is cleared + * (or the IRQ is polled again), which happens in the low-priority charger task: + * the high-priority type-C handler is thus blocked on the lower-priority + * charger. + * + * To avoid that, we run charger interrupts at the same priority. + */ +void board_process_pd_alert(int port) +{ + /* + * Port 0 doesn't use an external TCPC, so its interrupts don't need + * this special handling. + */ + if (port == 1 && + !gpio_pin_get_dt(GPIO_DT_FROM_ALIAS(gpio_usb_c1_int_odl))) { + sm5803_handle_interrupt(port); + } +} + +int pd_snk_is_vbus_provided(int port) +{ + int chg_det = 0; + + sm5803_get_chg_det(port, &chg_det); + + return chg_det; +} |