1 files changed, 0 insertions, 494 deletions
diff --git a/board/nocturne/usb_pd_policy.c b/board/nocturne/usb_pd_policy.c
deleted file mode 100644
index 4e4474648f..0000000000
--- a/board/nocturne/usb_pd_policy.c
+++ /dev/null
@@ -1,494 +0,0 @@
-/* Copyright 2018 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "charge_manager.h"
-#include "chipset.h"
-#include "common.h"
-#include "console.h"
-#include "compile_time_macros.h"
-#include "ec_commands.h"
-#include "gpio.h"
-#include "system.h"
-#include "usb_mux.h"
-#include "usb_pd.h"
-#include "usbc_ppc.h"
-#include "util.h"
-
-#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ## args)
-#define CPRINTS(format, args...) cprints(CC_USBPD, format, ## args)
-
-#define PDO_FIXED_FLAGS (PDO_FIXED_DUAL_ROLE | PDO_FIXED_COMM_CAP|\
-			 PDO_FIXED_DATA_SWAP)
-
-const uint32_t pd_src_pdo[] = {
-		PDO_FIXED(5000, 1500, PDO_FIXED_FLAGS),
-};
-const int pd_src_pdo_cnt = ARRAY_SIZE(pd_src_pdo);
-
-const uint32_t pd_src_pdo_max[] = {
-	PDO_FIXED(5000, 3000, PDO_FIXED_FLAGS),
-};
-const int pd_src_pdo_max_cnt = ARRAY_SIZE(pd_src_pdo_max);
-
-/* TODO(aaboagye): Determine correct values. */
-const uint32_t pd_snk_pdo[] = {
-		PDO_FIXED(5000, 500, PDO_FIXED_FLAGS),
-		PDO_BATT(4750, 21000, 15000),
-		PDO_VAR(4750, 21000, 3000),
-};
-const int pd_snk_pdo_cnt = ARRAY_SIZE(pd_snk_pdo);
-
-int pd_board_checks(void)
-{
-	return EC_SUCCESS;
-}
-
-int pd_check_data_swap(int port, int data_role)
-{
-	/* Allow data swap if we are a UFP, otherwise don't allow. */
-	return (data_role == PD_ROLE_UFP) ? 1 : 0;
-}
-
-void pd_check_dr_role(int port, int dr_role, int flags)
-{
-	/* If UFP, try to switch to DFP */
-	if ((flags & PD_FLAGS_PARTNER_DR_DATA) &&
-			dr_role == PD_ROLE_UFP &&
-			system_get_image_copy() != SYSTEM_IMAGE_RO)
-		pd_request_data_swap(port);
-}
-
-/* TODO(aaboagye): re-eval for 3.0 & FRS. */
-int pd_check_power_swap(int port)
-{
-	/*
-	 * Allow power swap as long as we are acting as a dual role device,
-	 * otherwise assume our role is fixed (not in S0 or console command
-	 * to fix our role).
-	 */
-	return pd_get_dual_role(port) == PD_DRP_TOGGLE_ON ? 1 : 0;
-}
-
-void pd_check_pr_role(int port, int pr_role, int flags)
-{
-	/*
-	 * If partner is dual-role power and dualrole toggling is on, consider
-	 * if a power swap is necessary.
-	 */
-	if ((flags & PD_FLAGS_PARTNER_DR_POWER) &&
-	    pd_get_dual_role(port) == PD_DRP_TOGGLE_ON) {
-		/*
-		 * If we are a sink and partner is not externally powered, then
-		 * swap to become a source. If we are source and partner is
-		 * externally powered, swap to become a sink.
-		 */
-		int partner_extpower = flags & PD_FLAGS_PARTNER_EXTPOWER;
-
-		if ((!partner_extpower && pr_role == PD_ROLE_SINK) ||
-		     (partner_extpower && pr_role == PD_ROLE_SOURCE))
-			pd_request_power_swap(port);
-	}
-}
-
-int pd_check_vconn_swap(int port)
-{
-	/* Do not allow VCONN swap is 5V is off. */
-	return gpio_get_level(GPIO_EN_5V);
-}
-
-void pd_execute_data_swap(int port, int data_role)
-{
-	int level;
-
-	/* Only port 0 supports device mode. */
-	if (port != 0)
-		return;
-
-	level = (data_role == PD_ROLE_UFP) ? 1 : 0;
-
-	gpio_set_level(GPIO_USB2_ID, level);
-	gpio_set_level(GPIO_USB2_VBUSSENSE, level);
-}
-
-int pd_is_valid_input_voltage(int mv)
-{
-	return 1;
-}
-
-void pd_power_supply_reset(int port)
-{
-	/*
-	 * Disable VBUS and discharge to vSafe0V.
-	 *
-	 * The PPC will automatically disable the discharge circuitry once it
-	 * reaches vSafe0V.
-	 */
-	ppc_vbus_source_enable(port, 0);
-	ppc_discharge_vbus(port, 1);
-
-#ifdef CONFIG_USB_PD_MAX_SINGLE_SOURCE_CURRENT
-	/* Give back the current quota we are no longer using */
-	charge_manager_source_port(port, 0);
-#endif /* defined(CONFIG_USB_PD_MAX_SINGLE_SOURCE_CURRENT) */
-
-	/* Notify host of power info change. */
-	pd_send_host_event(PD_EVENT_POWER_CHANGE);
-}
-
-int pd_set_power_supply_ready(int port)
-{
-	int rv;
-
-	if (port >= ppc_cnt)
-		return EC_ERROR_INVAL;
-
-	/* Disable charging. */
-	rv = ppc_vbus_sink_enable(port, 0);
-	if (rv)
-		return rv;
-
-	/* The 5V rail used for sourcing is not powered when the AP is off. */
-	if (chipset_in_state(CHIPSET_STATE_ANY_OFF))
-		return EC_ERROR_NOT_POWERED;
-
-	/* Provide Vbus. */
-	rv = ppc_vbus_source_enable(port, 1);
-	if (rv)
-		return rv;
-
-#ifdef CONFIG_USB_PD_MAX_SINGLE_SOURCE_CURRENT
-	/* Ensure we advertise the proper available current quota */
-	charge_manager_source_port(port, 1);
-#endif /* defined(CONFIG_USB_PD_MAX_SINGLE_SOURCE_CURRENT) */
-
-	/* Notify host of power info change. */
-	pd_send_host_event(PD_EVENT_POWER_CHANGE);
-
-	return EC_SUCCESS;
-}
-
-void pd_transition_voltage(int idx)
-{
-	/* No-operation: we are always 5V */
-}
-
-void typec_set_source_current_limit(int p, enum tcpc_rp_value rp)
-{
-	ppc_set_vbus_source_current_limit(p, rp);
-}
-
-/* ----------------- Vendor Defined Messages ------------------ */
-const struct svdm_response svdm_rsp = {
-	.identity = NULL,
-	.svids = NULL,
-	.modes = NULL,
-};
-
-int pd_custom_vdm(int port, int cnt, uint32_t *payload,
-		  uint32_t **rpayload)
-{
-	int cmd = PD_VDO_CMD(payload[0]);
-	uint16_t dev_id = 0;
-	int is_rw, is_latest;
-
-	/* make sure we have some payload */
-	if (cnt == 0)
-		return 0;
-
-	switch (cmd) {
-	case VDO_CMD_VERSION:
-		/* guarantee last byte of payload is null character */
-		*(payload + cnt - 1) = 0;
-		CPRINTF("version: %s\n", (char *)(payload+1));
-		break;
-	case VDO_CMD_READ_INFO:
-	case VDO_CMD_SEND_INFO:
-		/* copy hash */
-		if (cnt == 7) {
-			dev_id = VDO_INFO_HW_DEV_ID(payload[6]);
-			is_rw = VDO_INFO_IS_RW(payload[6]);
-
-			is_latest = pd_dev_store_rw_hash(port,
-							 dev_id,
-							 payload + 1,
-							 is_rw ?
-							 SYSTEM_IMAGE_RW :
-							 SYSTEM_IMAGE_RO);
-
-			/*
-			 * Send update host event unless our RW hash is
-			 * already known to be the latest update RW.
-			 */
-			if (!is_rw || !is_latest)
-				pd_send_host_event(PD_EVENT_UPDATE_DEVICE);
-
-			CPRINTF("DevId:%d.%d SW:%d RW:%d\n",
-				HW_DEV_ID_MAJ(dev_id),
-				HW_DEV_ID_MIN(dev_id),
-				VDO_INFO_SW_DBG_VER(payload[6]),
-				is_rw);
-		} else if (cnt == 6) {
-			/* really old devices don't have last byte */
-			pd_dev_store_rw_hash(port, dev_id, payload + 1,
-					     SYSTEM_IMAGE_UNKNOWN);
-		}
-		break;
-	case VDO_CMD_CURRENT:
-		CPRINTF("Current: %dmA\n", payload[1]);
-		break;
-	case VDO_CMD_FLIP:
-		usb_mux_flip(port);
-		break;
-#ifdef CONFIG_USB_PD_LOGGING
-	case VDO_CMD_GET_LOG:
-		pd_log_recv_vdm(port, cnt, payload);
-		break;
-#endif /* CONFIG_USB_PD_LOGGING */
-	}
-
-	return 0;
-}
-
-#ifdef CONFIG_USB_PD_ALT_MODE_DFP
-static int dp_flags[CONFIG_USB_PD_PORT_MAX_COUNT];
-static uint32_t dp_status[CONFIG_USB_PD_PORT_MAX_COUNT];
-
-static void svdm_safe_dp_mode(int port)
-{
-	/* make DP interface safe until configure */
-	dp_flags[port] = 0;
-	dp_status[port] = 0;
-	usb_mux_set(port, TYPEC_MUX_NONE,
-		USB_SWITCH_CONNECT, pd_get_polarity(port));
-
-	/*
-	 * Isolate the SBU lines.
-	 *
-	 * Older boards don't have the SBU line bypass needed for CCD, so never
-	 * disable the SBU lines for port 0.
-	 */
-	if ((board_get_version() < 2) && (port == 0))
-		CPRINTS("Skip disable SBU lines for C0.");
-	else
-		ppc_set_sbu(port, 0);
-}
-
-static int svdm_enter_dp_mode(int port, uint32_t mode_caps)
-{
-	/*
-	 * Don't enter the mode if the SoC is off.
-	 *
-	 * There's no need to enter the mode while the SoC is off; we'll
-	 * actually enter the mode on the chipset resume hook.  Entering DP Alt
-	 * Mode twice will confuse some monitors and require and unplug/replug
-	 * to get them to work again.  The DP Alt Mode on USB-C spec says that
-	 * if we don't need to maintain HPD connectivity info in a low power
-	 * mode, then we shall exit DP Alt Mode.  (This is why we don't enter
-	 * when the SoC is off as opposed to suspend where adding a display
-	 * could cause a wake up.)
-	 */
-	if (chipset_in_state(CHIPSET_STATE_ANY_OFF))
-		return -1;
-
-	/* Only enter mode if device is DFP_D capable */
-	if (mode_caps & MODE_DP_SNK) {
-		svdm_safe_dp_mode(port);
-
-		if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND))
-			/*
-			 * Wake the system up since we're entering DP AltMode.
-			 */
-			pd_notify_dp_alt_mode_entry();
-
-
-		return 0;
-	}
-
-	return -1;
-}
-
-static int svdm_dp_status(int port, uint32_t *payload)
-{
-	int opos = pd_alt_mode(port, USB_SID_DISPLAYPORT);
-
-	payload[0] = VDO(USB_SID_DISPLAYPORT, 1,
-			 CMD_DP_STATUS | VDO_OPOS(opos));
-	payload[1] = VDO_DP_STATUS(0, /* HPD IRQ  ... not applicable */
-				   0, /* HPD level ... not applicable */
-				   0, /* exit DP? ... no */
-				   0, /* usb mode? ... no */
-				   0, /* multi-function ... no */
-				   (!!(dp_flags[port] & DP_FLAGS_DP_ON)),
-				   0, /* power low? ... no */
-				   (!!(dp_flags[port] & DP_FLAGS_DP_ON)));
-	return 2;
-};
-
-static int svdm_dp_config(int port, uint32_t *payload)
-{
-	int opos = pd_alt_mode(port, USB_SID_DISPLAYPORT);
-	int mf_pref = PD_VDO_DPSTS_MF_PREF(dp_status[port]);
-	int pin_mode = pd_dfp_dp_get_pin_mode(port, dp_status[port]);
-	enum typec_mux mux_mode;
-
-	if (!pin_mode)
-		return 0;
-
-	/*
-	 * Multi-function operation is only allowed if that pin config is
-	 * supported.
-	 */
-	mux_mode = ((pin_mode & MODE_DP_PIN_MF_MASK) && mf_pref) ?
-		TYPEC_MUX_DOCK : TYPEC_MUX_DP;
-	CPRINTS("pin_mode: %x, mf: %d, mux: %d", pin_mode, mf_pref, mux_mode);
-
-	/* Connect the SBU and USB lines to the connector. */
-	ppc_set_sbu(port, 1);
-	usb_mux_set(port, mux_mode, USB_SWITCH_CONNECT, pd_get_polarity(port));
-
-	payload[0] = VDO(USB_SID_DISPLAYPORT, 1,
-			 CMD_DP_CONFIG | VDO_OPOS(opos));
-	payload[1] = VDO_DP_CFG(pin_mode,      /* pin mode */
-				1,	       /* DPv1.3 signaling */
-				2);	       /* UFP connected */
-	return 2;
-};
-
-/*
- * timestamp of the next possible toggle to ensure the 2-ms spacing
- * between IRQ_HPD.
- */
-static uint64_t hpd_deadline[CONFIG_USB_PD_PORT_MAX_COUNT];
-
-#define PORT_TO_HPD(port) ((port) ? GPIO_USB_C1_DP_HPD : GPIO_USB_C0_DP_HPD)
-
-static void svdm_dp_post_config(int port)
-{
-	const struct usb_mux *mux = &usb_muxes[port];
-
-	dp_flags[port] |= DP_FLAGS_DP_ON;
-	if (!(dp_flags[port] & DP_FLAGS_HPD_HI_PENDING))
-		return;
-
-	gpio_set_level(PORT_TO_HPD(port), 1);
-
-	/* set the minimum time delay (2ms) for the next HPD IRQ */
-	hpd_deadline[port] = get_time().val + HPD_USTREAM_DEBOUNCE_LVL;
-
-	mux->hpd_update(port, 1, 0);
-}
-
-static int svdm_dp_attention(int port, uint32_t *payload)
-{
-	int cur_lvl;
-	int lvl = PD_VDO_DPSTS_HPD_LVL(payload[1]);
-	int irq = PD_VDO_DPSTS_HPD_IRQ(payload[1]);
-	enum gpio_signal hpd = PORT_TO_HPD(port);
-	const struct usb_mux *mux = &usb_muxes[port];
-
-	cur_lvl = gpio_get_level(hpd);
-	dp_status[port] = payload[1];
-
-	if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND) &&
-	    (irq || lvl))
-		/*
-		 * Wake up the AP.  IRQ or level high indicates a DP sink is now
-		 * present.
-		 */
-		pd_notify_dp_alt_mode_entry();
-
-	/* Its initial DP status message prior to config */
-	if (!(dp_flags[port] & DP_FLAGS_DP_ON)) {
-		if (lvl)
-			dp_flags[port] |= DP_FLAGS_HPD_HI_PENDING;
-		return 1;
-	}
-
-	if (irq & cur_lvl) {
-		uint64_t now = get_time().val;
-		/* wait for the minimum spacing between IRQ_HPD if needed */
-		if (now < hpd_deadline[port])
-			usleep(hpd_deadline[port] - now);
-
-		/* generate IRQ_HPD pulse */
-		gpio_set_level(hpd, 0);
-		usleep(HPD_DSTREAM_DEBOUNCE_IRQ);
-		gpio_set_level(hpd, 1);
-
-		/* set the minimum time delay (2ms) for the next HPD IRQ */
-		hpd_deadline[port] = get_time().val + HPD_USTREAM_DEBOUNCE_LVL;
-	} else if (irq & !lvl) {
-		CPRINTF("ERR:HPD:IRQ&LOW\n");
-		return 0; /* nak */
-	} else {
-		gpio_set_level(hpd, lvl);
-		/* set the minimum time delay (2ms) for the next HPD IRQ */
-		hpd_deadline[port] = get_time().val + HPD_USTREAM_DEBOUNCE_LVL;
-	}
-	mux->hpd_update(port, lvl, irq);
-	/* ack */
-	return 1;
-}
-
-static void svdm_exit_dp_mode(int port)
-{
-	const struct usb_mux *mux = &usb_muxes[port];
-
-	svdm_safe_dp_mode(port);
-	gpio_set_level(PORT_TO_HPD(port), 0);
-	mux->hpd_update(port, 0, 0);
-}
-
-static int svdm_enter_gfu_mode(int port, uint32_t mode_caps)
-{
-	/* Always enter GFU mode */
-	return 0;
-}
-
-static void svdm_exit_gfu_mode(int port)
-{
-}
-
-static int svdm_gfu_status(int port, uint32_t *payload)
-{
-	/*
-	 * This is called after enter mode is successful, send unstructured
-	 * VDM to read info.
-	 */
-	pd_send_vdm(port, USB_VID_GOOGLE, VDO_CMD_READ_INFO, NULL, 0);
-	return 0;
-}
-
-static int svdm_gfu_config(int port, uint32_t *payload)
-{
-	return 0;
-}
-
-static int svdm_gfu_attention(int port, uint32_t *payload)
-{
-	return 0;
-}
-
-const struct svdm_amode_fx supported_modes[] = {
-	{
-		.svid = USB_SID_DISPLAYPORT,
-		.enter = &svdm_enter_dp_mode,
-		.status = &svdm_dp_status,
-		.config = &svdm_dp_config,
-		.post_config = &svdm_dp_post_config,
-		.attention = &svdm_dp_attention,
-		.exit = &svdm_exit_dp_mode,
-	},
-	{
-		.svid = USB_VID_GOOGLE,
-		.enter = &svdm_enter_gfu_mode,
-		.status = &svdm_gfu_status,
-		.config = &svdm_gfu_config,
-		.attention = &svdm_gfu_attention,
-		.exit = &svdm_exit_gfu_mode,
-	}
-};
-const int supported_modes_cnt = ARRAY_SIZE(supported_modes);
-#endif /* CONFIG_USB_PD_ALT_MODE_DFP */