1 files changed, 0 insertions, 292 deletions
diff --git a/driver/usb_mux/usb_mux.c b/driver/usb_mux/usb_mux.c
deleted file mode 100644
index 93c741c1e9..0000000000
--- a/driver/usb_mux/usb_mux.c
+++ /dev/null
@@ -1,292 +0,0 @@
-/* Copyright 2015 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.
- */
-
-/* USB mux high-level driver. */
-
-#include "common.h"
-#include "console.h"
-#include "host_command.h"
-#include "usb_mux.h"
-#include "usbc_ppc.h"
-#include "util.h"
-
-#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
-#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
-
-static int enable_debug_prints;
-
-/*
- * Flags will reset to 0 after sysjump; This works for current flags as LPM will
- * get reset in the init method which is called during PD task startup.
- */
-static uint8_t flags[CONFIG_USB_PD_PORT_MAX_COUNT];
-
-#define USB_MUX_FLAG_IN_LPM BIT(0) /* Device is in low power mode. */
-
-
-static void enter_low_power_mode(int port)
-{
-	const struct usb_mux *mux = &usb_muxes[port];
-	int res;
-
-	/*
-	 * Set LPM flag regardless of method presence or method failure. We want
-	 * know know that we tried to put the device in low power mode so we can
-	 * re-initialize the device on the next access.
-	 */
-	flags[port] |= USB_MUX_FLAG_IN_LPM;
-
-	/* Apply any low power customization if present */
-	if (mux->driver->enter_low_power_mode) {
-		res = mux->driver->enter_low_power_mode(port);
-		if (res) {
-			CPRINTS("Err: %s mux port(%d): %d",
-				__func__, port, res);
-			return;
-		}
-	}
-
-	if (IS_ENABLED(CONFIG_USBC_MUX_RETIMER)) {
-		const struct usb_retimer *retimer = &usb_retimers[port];
-
-		if (retimer->driver && retimer->driver->enter_low_power_mode) {
-			res = retimer->driver->enter_low_power_mode(port);
-			if (res) {
-				CPRINTS("Err: %s retimer port(%d): %d",
-					__func__, port, res);
-				return;
-			}
-		}
-	}
-}
-
-static inline void exit_low_power_mode(int port)
-{
-	/* If we are in low power, initialize device (which clears LPM flag) */
-	if (flags[port] & USB_MUX_FLAG_IN_LPM)
-		usb_mux_init(port);
-}
-
-void usb_mux_init(int port)
-{
-	const struct usb_mux *mux = &usb_muxes[port];
-	int res;
-
-	ASSERT(port >= 0 && port < CONFIG_USB_PD_PORT_MAX_COUNT);
-
-	res = mux->driver->init(port);
-	if (res) {
-		CPRINTS("Err: init mux port(%d): %d", port, res);
-		return;
-	}
-
-	if (IS_ENABLED(CONFIG_USBC_MUX_RETIMER)) {
-		const struct usb_retimer *retimer = &usb_retimers[port];
-
-		if (retimer->driver && retimer->driver->init) {
-			res = retimer->driver->init(port);
-			if (res) {
-				CPRINTS("Err: init retimer port(%d): %d",
-					port, res);
-				return;
-			}
-		}
-	}
-
-	/* Device is always out of LPM after initialization. */
-	flags[port] &= ~USB_MUX_FLAG_IN_LPM;
-
-	/* Apply board specific initialization */
-	if (mux->board_init) {
-		res = mux->board_init(port);
-
-		if (res)
-			CPRINTS("Err: board_init mux port(%d): %d", port, res);
-	}
-}
-
-/*
- * TODO(crbug.com/505480): Setting muxes often involves I2C transcations,
- * which can block. Consider implementing an asynchronous task.
- */
-void usb_mux_set(int port, enum typec_mux mux_mode,
-		 enum usb_switch usb_mode, int polarity)
-{
-	const struct usb_mux *mux = &usb_muxes[port];
-	int res;
-	mux_state_t mux_state;
-	const int should_enter_low_power_mode =
-		mux_mode == TYPEC_MUX_NONE && usb_mode == USB_SWITCH_DISCONNECT;
-
-	/* Configure USB2.0 */
-	if (IS_ENABLED(CONFIG_USB_CHARGER))
-		usb_charger_set_switches(port, usb_mode);
-
-	/*
-	 * Don't wake device up just to put it back to sleep. Low power mode
-	 * flag is only set if the mux set() operation succeeded previously for
-	 * the same disconnected state.
-	 */
-	if (should_enter_low_power_mode && (flags[port] & USB_MUX_FLAG_IN_LPM))
-		return;
-
-	exit_low_power_mode(port);
-
-	/* Configure superspeed lanes */
-	mux_state = ((mux_mode != TYPEC_MUX_NONE) && polarity)
-			? mux_mode | MUX_POLARITY_INVERTED
-			: mux_mode;
-
-	res = mux->driver->set(port, mux_state);
-	if (res) {
-		CPRINTS("Err: set mux port(%d): %d", port, res);
-		return;
-	}
-
-	if (IS_ENABLED(CONFIG_USBC_MUX_RETIMER)) {
-		const struct usb_retimer *retimer = &usb_retimers[port];
-
-		if (retimer->driver && retimer->driver->set) {
-			res = retimer->driver->set(port, mux_state);
-			if (res) {
-				CPRINTS("Err: set retimer port(%d): %d",
-					port, res);
-				return;
-			}
-		}
-	}
-
-	if (enable_debug_prints)
-		CPRINTS(
-		     "usb/dp mux: port(%d) typec_mux(%d) usb2(%d) polarity(%d)",
-		     port, mux_mode, usb_mode, polarity);
-
-	/*
-	 * If we are completely disconnecting the mux, then we should put it in
-	 * its lowest power state.
-	 */
-	if (should_enter_low_power_mode)
-		enter_low_power_mode(port);
-}
-
-mux_state_t usb_mux_get(int port)
-{
-	const struct usb_mux *mux = &usb_muxes[port];
-	int res;
-	mux_state_t mux_state;
-
-	exit_low_power_mode(port);
-
-	res = mux->driver->get(port, &mux_state);
-	if (res) {
-		CPRINTS("Err: get mux port(%d): %d", port, res);
-		return 0;
-	}
-
-	return mux_state;
-}
-
-void usb_mux_flip(int port)
-{
-	const struct usb_mux *mux = &usb_muxes[port];
-	int res;
-	mux_state_t mux_state;
-
-	exit_low_power_mode(port);
-
-	res = mux->driver->get(port, &mux_state);
-	if (res) {
-		CPRINTS("Err: get mux port(%d): %d", port, res);
-		return;
-	}
-
-	if (mux_state & MUX_POLARITY_INVERTED)
-		mux_state &= ~MUX_POLARITY_INVERTED;
-	else
-		mux_state |= MUX_POLARITY_INVERTED;
-
-	res = mux->driver->set(port, mux_state);
-	if (res)
-		CPRINTS("Err: set mux port(%d): %d", port, res);
-}
-
-#ifdef CONFIG_CMD_TYPEC
-static int command_typec(int argc, char **argv)
-{
-	const char * const mux_name[] = {"none", "usb", "dp", "dock"};
-	char *e;
-	int port;
-	enum typec_mux mux = TYPEC_MUX_NONE;
-	int i;
-
-	if (argc == 2 && !strcasecmp(argv[1], "debug")) {
-		enable_debug_prints = 1;
-		return EC_SUCCESS;
-	}
-
-	if (argc < 2)
-		return EC_ERROR_PARAM_COUNT;
-
-	port = strtoi(argv[1], &e, 10);
-	if (*e || port >= board_get_usb_pd_port_count())
-		return EC_ERROR_PARAM1;
-
-	if (argc < 3) {
-		mux_state_t mux_state;
-
-		mux_state = usb_mux_get(port);
-		ccprintf("Port %d: USB=%d DP=%d POLARITY=%s HPD_IRQ=%d "
-			"HPD_LVL=%d SAFE=%d\n", port,
-			!!(mux_state & USB_PD_MUX_USB_ENABLED),
-			!!(mux_state & USB_PD_MUX_DP_ENABLED),
-			mux_state & USB_PD_MUX_POLARITY_INVERTED ?
-				"INVERTED" : "NORMAL",
-			!!(mux_state & USB_PD_MUX_HPD_IRQ),
-			!!(mux_state & USB_PD_MUX_HPD_LVL),
-			!!(mux_state & USB_PD_MUX_SAFE_MODE));
-
-		return EC_SUCCESS;
-	}
-
-	for (i = 0; i < ARRAY_SIZE(mux_name); i++)
-		if (!strcasecmp(argv[2], mux_name[i]))
-			mux = i;
-	usb_mux_set(port, mux, mux == TYPEC_MUX_NONE ?
-				      USB_SWITCH_DISCONNECT :
-				      USB_SWITCH_CONNECT,
-			  pd_get_polarity(port));
-	return EC_SUCCESS;
-}
-DECLARE_CONSOLE_COMMAND(typec, command_typec,
-			"[port|debug] [none|usb|dp|dock]",
-			"Control type-C connector muxing");
-#endif
-
-static enum ec_status hc_usb_pd_mux_info(struct host_cmd_handler_args *args)
-{
-	const struct ec_params_usb_pd_mux_info *p = args->params;
-	struct ec_response_usb_pd_mux_info *r = args->response;
-	int port = p->port;
-	const struct usb_mux *mux;
-
-	if (port >= board_get_usb_pd_port_count())
-		return EC_RES_INVALID_PARAM;
-
-	mux = &usb_muxes[port];
-	if (mux->driver->get(port, &r->flags) != EC_SUCCESS)
-		return EC_RES_ERROR;
-
-	/* Clear HPD IRQ event since we're about to inform host of it. */
-	if (IS_ENABLED(CONFIG_USB_MUX_VIRTUAL) &&
-	    (r->flags & USB_PD_MUX_HPD_IRQ) &&
-	    (mux->hpd_update == &virtual_hpd_update))
-		mux->hpd_update(port, r->flags & USB_PD_MUX_HPD_LVL, 0);
-
-	args->response_size = sizeof(*r);
-	return EC_RES_SUCCESS;
-}
-DECLARE_HOST_COMMAND(EC_CMD_USB_PD_MUX_INFO,
-		     hc_usb_pd_mux_info,
-		     EC_VER_MASK(0));