diff options
Diffstat (limited to 'driver/tcpm/it83xx.c')
| -rw-r--r-- | driver/tcpm/it83xx.c | 169 |
1 files changed, 87 insertions, 82 deletions
diff --git a/driver/tcpm/it83xx.c b/driver/tcpm/it83xx.c index c809cce153..0b636e2e89 100644 --- a/driver/tcpm/it83xx.c +++ b/driver/tcpm/it83xx.c @@ -1,10 +1,11 @@ -/* Copyright 2016 The Chromium OS Authors. All rights reserved. +/* Copyright 2016 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /* TCPM for MCU also running TCPC */ +#include "builtin/assert.h" #include "common.h" #include "config.h" #include "console.h" @@ -22,8 +23,8 @@ #ifdef CONFIG_USB_PD_TCPMV1 #if defined(CONFIG_USB_PD_DUAL_ROLE_AUTO_TOGGLE) || \ - defined(CONFIG_USB_PD_VBUS_DETECT_TCPC) || \ - defined(CONFIG_USB_PD_TCPC_LOW_POWER) || \ + defined(CONFIG_USB_PD_VBUS_DETECT_TCPC) || \ + defined(CONFIG_USB_PD_TCPC_LOW_POWER) || \ defined(CONFIG_USB_PD_DISCHARGE_TCPC) #error "Unsupported config options of IT83xx PD driver" #endif @@ -38,11 +39,11 @@ int rx_en[IT83XX_USBPD_PHY_PORT_COUNT]; STATIC_IF(CONFIG_USB_PD_DECODE_SOP) - bool sop_prime_en[IT83XX_USBPD_PHY_PORT_COUNT]; +bool sop_prime_en[IT83XX_USBPD_PHY_PORT_COUNT]; const struct usbpd_ctrl_t usbpd_ctrl_regs[] = { - {&IT83XX_GPIO_GPCRF4, &IT83XX_GPIO_GPCRF5, IT83XX_IRQ_USBPD0}, - {&IT83XX_GPIO_GPCRH1, &IT83XX_GPIO_GPCRH2, IT83XX_IRQ_USBPD1}, + { &IT83XX_GPIO_GPCRF4, &IT83XX_GPIO_GPCRF5, IT83XX_IRQ_USBPD0 }, + { &IT83XX_GPIO_GPCRH1, &IT83XX_GPIO_GPCRH2, IT83XX_IRQ_USBPD1 }, }; BUILD_ASSERT(ARRAY_SIZE(usbpd_ctrl_regs) == IT83XX_USBPD_PHY_PORT_COUNT); @@ -58,7 +59,7 @@ void it83xx_Rd_5_1K_only_for_hibernate(int port) { /* This only apply to active PD port */ if (*usbpd_ctrl_regs[port].cc1 == IT83XX_USBPD_CC_PIN_CONFIG && - *usbpd_ctrl_regs[port].cc2 == IT83XX_USBPD_CC_PIN_CONFIG) { + *usbpd_ctrl_regs[port].cc2 == IT83XX_USBPD_CC_PIN_CONFIG) { /* Disable PD PHY */ IT83XX_USBPD_GCR(port) &= ~(BIT(0) | BIT(4)); /* @@ -81,9 +82,8 @@ void it83xx_Rd_5_1K_only_for_hibernate(int port) } } -static enum tcpc_cc_voltage_status it83xx_get_cc( - enum usbpd_port port, - enum usbpd_cc_pin cc_pin) +static enum tcpc_cc_voltage_status it83xx_get_cc(enum usbpd_port port, + enum usbpd_cc_pin cc_pin) { enum usbpd_ufp_volt_status ufp_volt; enum usbpd_dfp_volt_status dfp_volt; @@ -91,8 +91,8 @@ static enum tcpc_cc_voltage_status it83xx_get_cc( int pull; pull = (cc_pin == USBPD_CC_PIN_1) ? - USBPD_GET_CC1_PULL_REGISTER_SELECTION(port) : - USBPD_GET_CC2_PULL_REGISTER_SELECTION(port); + USBPD_GET_CC1_PULL_REGISTER_SELECTION(port) : + USBPD_GET_CC2_PULL_REGISTER_SELECTION(port); /* select Rp */ if (pull) @@ -125,7 +125,7 @@ static enum tcpc_cc_voltage_status it83xx_get_cc( cc_state = TYPEC_CC_VOLT_OPEN; break; } - /* source */ + /* source */ } else { if (cc_pin == USBPD_CC_PIN_1) dfp_volt = IT83XX_USBPD_DFPVDR(port) & 0xf; @@ -177,11 +177,10 @@ static int it83xx_tcpm_get_message_raw(int port, uint32_t *buf, int *head) return EC_SUCCESS; } -static enum tcpc_transmit_complete it83xx_tx_data( - enum usbpd_port port, - enum tcpci_msg_type type, - uint16_t header, - const uint32_t *buf) +static enum tcpc_transmit_complete it83xx_tx_data(enum usbpd_port port, + enum tcpci_msg_type type, + uint16_t header, + const uint32_t *buf) { int r; uint32_t evt; @@ -198,8 +197,8 @@ static enum tcpc_transmit_complete it83xx_tx_data( * on dx version: * 000b=SOP, 001b=SOP', 010b=SOP", 011b=Debug SOP', 100b=Debug SOP''. */ - IT83XX_USBPD_MTSR1(port) = - (IT83XX_USBPD_MTSR1(port) & ~0x70) | ((type & 0x7) << 4); + IT83XX_USBPD_MTSR1(port) = (IT83XX_USBPD_MTSR1(port) & ~0x70) | + ((type & 0x7) << 4); /* bit7: transmit message is send to cable or not */ if (type == TCPCI_MSG_SOP) IT83XX_USBPD_MTSR0(port) &= ~USBPD_REG_MASK_CABLE_ENABLE; @@ -223,7 +222,7 @@ static enum tcpc_transmit_complete it83xx_tx_data( /* Start TX */ USBPD_KICK_TX_START(port); evt = task_wait_event_mask(TASK_EVENT_PHY_TX_DONE, - PD_T_TCPC_TX_TIMEOUT); + PD_T_TCPC_TX_TIMEOUT); /* check TX status */ if (USBPD_IS_TX_ERR(port) || (evt & TASK_EVENT_TIMER)) { /* @@ -247,8 +246,8 @@ static enum tcpc_transmit_complete it83xx_tx_data( return TCPC_TX_COMPLETE_SUCCESS; } -static enum tcpc_transmit_complete it83xx_send_hw_reset(enum usbpd_port port, - enum tcpci_msg_type reset_type) +static enum tcpc_transmit_complete +it83xx_send_hw_reset(enum usbpd_port port, enum tcpci_msg_type reset_type) { if (reset_type == TCPCI_MSG_CABLE_RESET) IT83XX_USBPD_MTSR0(port) |= USBPD_REG_MASK_CABLE_ENABLE; @@ -288,21 +287,23 @@ static void it83xx_enable_vconn(enum usbpd_port port, int enabled) /* Disable unused CC to become VCONN */ if (cc_pin == USBPD_CC_PIN_1) { IT83XX_USBPD_CCCSR(port) = USBPD_CC2_DISCONNECTED(port); - IT83XX_USBPD_CCPSR(port) = (IT83XX_USBPD_CCPSR(port) - & ~USBPD_REG_MASK_DISCONNECT_POWER_CC2) - | USBPD_REG_MASK_DISCONNECT_POWER_CC1; + IT83XX_USBPD_CCPSR(port) = + (IT83XX_USBPD_CCPSR(port) & + ~USBPD_REG_MASK_DISCONNECT_POWER_CC2) | + USBPD_REG_MASK_DISCONNECT_POWER_CC1; } else { IT83XX_USBPD_CCCSR(port) = USBPD_CC1_DISCONNECTED(port); - IT83XX_USBPD_CCPSR(port) = (IT83XX_USBPD_CCPSR(port) - & ~USBPD_REG_MASK_DISCONNECT_POWER_CC1) - | USBPD_REG_MASK_DISCONNECT_POWER_CC2; + IT83XX_USBPD_CCPSR(port) = + (IT83XX_USBPD_CCPSR(port) & + ~USBPD_REG_MASK_DISCONNECT_POWER_CC1) | + USBPD_REG_MASK_DISCONNECT_POWER_CC2; } } else { /* Enable cc1 and cc2 */ IT83XX_USBPD_CCCSR(port) &= ~0xaa; IT83XX_USBPD_CCPSR(port) |= (USBPD_REG_MASK_DISCONNECT_POWER_CC1 | - USBPD_REG_MASK_DISCONNECT_POWER_CC2); + USBPD_REG_MASK_DISCONNECT_POWER_CC2); } } @@ -359,8 +360,8 @@ static void it83xx_set_power_role(enum usbpd_port port, int power_role) static void it83xx_set_data_role(enum usbpd_port port, int pd_role) { /* 0: PD_ROLE_UFP 1: PD_ROLE_DFP */ - IT83XX_USBPD_PDMSR(port) = - (IT83XX_USBPD_PDMSR(port) & ~0xc) | ((pd_role & 0x1) << 2); + IT83XX_USBPD_PDMSR(port) = (IT83XX_USBPD_PDMSR(port) & ~0xc) | + ((pd_role & 0x1) << 2); } #ifdef CONFIG_USB_PD_FRS_TCPC @@ -378,15 +379,18 @@ static int it83xx_tcpm_set_frs_enable(int port, int enable) /* W/C status */ IT83XX_USBPD_PD30IR(port) = 0x3f; /* Enable FRS detection (cc to GND) interrupt */ - IT83XX_USBPD_MPD30IR(port) &= ~(USBPD_REG_MASK_PD30_ISR | - USBPD_REG_MASK_FAST_SWAP_DETECT_ISR); + IT83XX_USBPD_MPD30IR(port) &= + ~(USBPD_REG_MASK_PD30_ISR | + USBPD_REG_MASK_FAST_SWAP_DETECT_ISR); /* Enable FRS detection (cc to GND) */ - IT83XX_USBPD_PDQSCR(port) = (IT83XX_USBPD_PDQSCR(port) & ~mask) - | USBPD_REG_FAST_SWAP_DETECT_ENABLE; + IT83XX_USBPD_PDQSCR(port) = + (IT83XX_USBPD_PDQSCR(port) & ~mask) | + USBPD_REG_FAST_SWAP_DETECT_ENABLE; } else { /* Disable FRS detection (cc to GND) interrupt */ - IT83XX_USBPD_MPD30IR(port) |= (USBPD_REG_MASK_PD30_ISR | - USBPD_REG_MASK_FAST_SWAP_DETECT_ISR); + IT83XX_USBPD_MPD30IR(port) |= + (USBPD_REG_MASK_PD30_ISR | + USBPD_REG_MASK_FAST_SWAP_DETECT_ISR); /* Disable FRS detection and requestion */ IT83XX_USBPD_PDQSCR(port) &= ~mask; } @@ -409,7 +413,7 @@ static void it83xx_init(enum usbpd_port port, int role) * (= retry count + 1) */ IT83XX_USBPD_BMCSR(port) = (IT83XX_USBPD_BMCSR(port) & ~0x70) | - ((CONFIG_PD_RETRY_COUNT + 1) << 4); + ((CONFIG_PD_RETRY_COUNT + 1) << 4); /* Disable Rx decode */ it83xx_tcpm_set_rx_enable(port, 0); if (IS_ENABLED(CONFIG_USB_PD_TCPMV1)) { @@ -440,7 +444,7 @@ static void it83xx_init(enum usbpd_port port, int role) IT83XX_USBPD_IMR(port) = 0xff; /* enable tx done and reset detect interrupt */ IT83XX_USBPD_IMR(port) &= ~(USBPD_REG_MASK_MSG_TX_DONE | - USBPD_REG_MASK_HARD_RESET_DETECT); + USBPD_REG_MASK_HARD_RESET_DETECT); #ifdef IT83XX_INTC_PLUG_IN_OUT_SUPPORT /* * when tcpc detect type-c plug in (cc lines voltage change), it will @@ -473,7 +477,7 @@ static void it83xx_init(enum usbpd_port port, int role) } static void it83xx_select_polarity(enum usbpd_port port, - enum usbpd_cc_pin cc_pin) + enum usbpd_cc_pin cc_pin) { /* cc1/cc2 selection */ if (cc_pin == USBPD_CC_PIN_1) @@ -519,7 +523,7 @@ static int it83xx_tcpm_release(int port) } static int it83xx_tcpm_get_cc(int port, enum tcpc_cc_voltage_status *cc1, - enum tcpc_cc_voltage_status *cc2) + enum tcpc_cc_voltage_status *cc2) { *cc2 = it83xx_get_cc(port, USBPD_CC_PIN_2); *cc1 = it83xx_get_cc(port, USBPD_CC_PIN_1); @@ -567,7 +571,8 @@ static int it83xx_tcpm_set_polarity(int port, enum tcpc_cc_polarity polarity) { enum usbpd_cc_pin cc_pin = (polarity == POLARITY_CC1 || polarity == POLARITY_CC1_DTS) ? - USBPD_CC_PIN_1 : USBPD_CC_PIN_2; + USBPD_CC_PIN_1 : + USBPD_CC_PIN_2; it83xx_select_polarity(port, cc_pin); @@ -613,7 +618,8 @@ static int it83xx_tcpm_set_vconn(int port, int enable) /* Turn on Vconn power switch. */ board_pd_vconn_ctrl(port, USBPD_GET_PULL_CC_SELECTION(port) ? - USBPD_CC_PIN_2 : USBPD_CC_PIN_1, + USBPD_CC_PIN_2 : + USBPD_CC_PIN_1, enable); } else { /* @@ -685,10 +691,8 @@ static int it83xx_tcpm_set_rx_enable(int port, int enable) return EC_SUCCESS; } -static int it83xx_tcpm_transmit(int port, - enum tcpci_msg_type type, - uint16_t header, - const uint32_t *data) +static int it83xx_tcpm_transmit(int port, enum tcpci_msg_type type, + uint16_t header, const uint32_t *data) { int status = TCPC_TX_COMPLETE_FAILED; @@ -698,10 +702,7 @@ static int it83xx_tcpm_transmit(int port, case TCPCI_MSG_SOP_PRIME_PRIME: case TCPCI_MSG_SOP_DEBUG_PRIME: case TCPCI_MSG_SOP_DEBUG_PRIME_PRIME: - status = it83xx_tx_data(port, - type, - header, - data); + status = it83xx_tx_data(port, type, header, data); break; case TCPCI_MSG_TX_BIST_MODE_2: it83xx_send_bist_mode2_pattern(port); @@ -720,12 +721,13 @@ static int it83xx_tcpm_transmit(int port, return EC_SUCCESS; } -static int it83xx_tcpm_get_chip_info(int port, int live, - struct ec_response_pd_chip_info_v1 *chip_info) +static int +it83xx_tcpm_get_chip_info(int port, int live, + struct ec_response_pd_chip_info_v1 *chip_info) { chip_info->vendor_id = USB_VID_ITE; - chip_info->product_id = ((IT83XX_GCTRL_CHIPID1 << 8) | - IT83XX_GCTRL_CHIPID2); + chip_info->product_id = + ((IT83XX_GCTRL_CHIPID1 << 8) | IT83XX_GCTRL_CHIPID2); chip_info->device_id = IT83XX_GCTRL_CHIPVER & 0xf; chip_info->fw_version_number = 0xEC; @@ -757,16 +759,18 @@ static void it83xx_tcpm_switch_plug_out_type(int port) if ((cc1 == TYPEC_CC_VOLT_RD && cc2 == TYPEC_CC_VOLT_RD) || (cc1 == TYPEC_CC_VOLT_RA && cc2 == TYPEC_CC_VOLT_RA)) /* We're source, switch to detect audio/debug plug out. */ - IT83XX_USBPD_TCDCR(port) = (IT83XX_USBPD_TCDCR(port) & - ~USBPD_REG_PLUG_IN_OUT_DETECT_DISABLE) | - USBPD_REG_PLUG_OUT_DETECT_TYPE_SELECT | - USBPD_REG_PLUG_OUT_SELECT; + IT83XX_USBPD_TCDCR(port) = + (IT83XX_USBPD_TCDCR(port) & + ~USBPD_REG_PLUG_IN_OUT_DETECT_DISABLE) | + USBPD_REG_PLUG_OUT_DETECT_TYPE_SELECT | + USBPD_REG_PLUG_OUT_SELECT; else if (cc1 == TYPEC_CC_VOLT_RD || cc2 == TYPEC_CC_VOLT_RD) /* We're source, switch to detect sink plug out. */ - IT83XX_USBPD_TCDCR(port) = (IT83XX_USBPD_TCDCR(port) & - ~USBPD_REG_PLUG_IN_OUT_DETECT_DISABLE & - ~USBPD_REG_PLUG_OUT_DETECT_TYPE_SELECT) | - USBPD_REG_PLUG_OUT_SELECT; + IT83XX_USBPD_TCDCR(port) = + (IT83XX_USBPD_TCDCR(port) & + ~USBPD_REG_PLUG_IN_OUT_DETECT_DISABLE & + ~USBPD_REG_PLUG_OUT_DETECT_TYPE_SELECT) | + USBPD_REG_PLUG_OUT_SELECT; else if (cc1 >= TYPEC_CC_VOLT_RP_DEF || cc2 >= TYPEC_CC_VOLT_RP_DEF) /* * We're sink, disable detect interrupt, so messages on cc line @@ -891,8 +895,9 @@ static void it83xx_tcpm_hook_disconnect(void) * Switch to detect plug in and enable detect plug in interrupt, * since pd task has detected a type-c physical disconnected. */ - IT83XX_USBPD_TCDCR(port) &= ~(USBPD_REG_PLUG_OUT_SELECT | - USBPD_REG_PLUG_IN_OUT_DETECT_DISABLE); + IT83XX_USBPD_TCDCR(port) &= + ~(USBPD_REG_PLUG_OUT_SELECT | + USBPD_REG_PLUG_IN_OUT_DETECT_DISABLE); /* exit BIST test data mode */ USBPD_SW_RESET(port); @@ -916,28 +921,28 @@ DECLARE_HOOK(HOOK_USB_PD_DISCONNECT, it83xx_tcpm_hook_disconnect, HOOK_PRIO_DEFAULT); const struct tcpm_drv it83xx_tcpm_drv = { - .init = &it83xx_tcpm_init, - .release = &it83xx_tcpm_release, - .get_cc = &it83xx_tcpm_get_cc, - .select_rp_value = &it83xx_tcpm_select_rp_value, - .set_cc = &it83xx_tcpm_set_cc, - .set_polarity = &it83xx_tcpm_set_polarity, + .init = &it83xx_tcpm_init, + .release = &it83xx_tcpm_release, + .get_cc = &it83xx_tcpm_get_cc, + .select_rp_value = &it83xx_tcpm_select_rp_value, + .set_cc = &it83xx_tcpm_set_cc, + .set_polarity = &it83xx_tcpm_set_polarity, #ifdef CONFIG_USB_PD_DECODE_SOP - .sop_prime_enable = &it83xx_tcpm_decode_sop_prime_enable, + .sop_prime_enable = &it83xx_tcpm_decode_sop_prime_enable, #endif - .set_vconn = &it83xx_tcpm_set_vconn, - .set_msg_header = &it83xx_tcpm_set_msg_header, - .set_rx_enable = &it83xx_tcpm_set_rx_enable, - .get_message_raw = &it83xx_tcpm_get_message_raw, - .transmit = &it83xx_tcpm_transmit, + .set_vconn = &it83xx_tcpm_set_vconn, + .set_msg_header = &it83xx_tcpm_set_msg_header, + .set_rx_enable = &it83xx_tcpm_set_rx_enable, + .get_message_raw = &it83xx_tcpm_get_message_raw, + .transmit = &it83xx_tcpm_transmit, #ifdef CONFIG_USB_PD_DUAL_ROLE_AUTO_TOGGLE - .drp_toggle = NULL, + .drp_toggle = NULL, #endif - .get_chip_info = &it83xx_tcpm_get_chip_info, + .get_chip_info = &it83xx_tcpm_get_chip_info, #ifdef CONFIG_USB_PD_TCPC_LOW_POWER - .enter_low_power_mode = &it83xx_tcpm_enter_low_power_mode, + .enter_low_power_mode = &it83xx_tcpm_enter_low_power_mode, #endif #ifdef CONFIG_USB_PD_FRS_TCPC - .set_frs_enable = &it83xx_tcpm_set_frs_enable, + .set_frs_enable = &it83xx_tcpm_set_frs_enable, #endif }; 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