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Diffstat (limited to 'baseboard/grunt/usb_pd_policy.c')
-rw-r--r--baseboard/grunt/usb_pd_policy.c301
1 files changed, 2 insertions, 299 deletions
diff --git a/baseboard/grunt/usb_pd_policy.c b/baseboard/grunt/usb_pd_policy.c
index 9b3cfc647e..cb587a1b84 100644
--- a/baseboard/grunt/usb_pd_policy.c
+++ b/baseboard/grunt/usb_pd_policy.c
@@ -23,92 +23,12 @@
#define PDO_FIXED_FLAGS (PDO_FIXED_DUAL_ROLE | PDO_FIXED_DATA_SWAP |\
PDO_FIXED_COMM_CAP)
-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_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.
- *
- * When we are still in the Read-Only firmware, avoid swapping roles
- * so we don't jump in RW as a SNK/DFP and potentially confuse the
- * power supply by sending a soft-reset with wrong data role.
- */
- return (data_role == PD_ROLE_UFP) &&
- (system_get_image_copy() != SYSTEM_IMAGE_RO) ? 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);
-}
-
-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)
{
/* in G3, do not allow vconn swap since 5V rail is off */
return gpio_get_level(GPIO_S5_PGOOD);
}
-void pd_execute_data_swap(int port, int data_role)
-{
- /* Do nothing */
-}
-
-int pd_is_valid_input_voltage(int mv)
-{
- return 1;
-}
-
void pd_power_supply_reset(int port)
{
int prev_en;
@@ -148,11 +68,6 @@ int pd_set_power_supply_ready(int port)
return EC_SUCCESS;
}
-void pd_transition_voltage(int idx)
-{
- /* No-operation: we are always 5V */
-}
-
int pd_snk_is_vbus_provided(int port)
{
return ppc_is_vbus_present(port);
@@ -164,109 +79,7 @@ int board_vbus_source_enabled(int port)
}
/* ----------------- 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 int svdm_enter_dp_mode(int port, uint32_t mode_caps)
-{
- dp_flags[port] = 0;
- dp_status[port] = 0;
-
- /* Only enter mode if device is DFP_D capable */
- if (mode_caps & MODE_DP_SNK)
- 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 enum typec_mux svdm_dp_mux_mode(int port)
{
int mf_pref = PD_VDO_DPSTS_MF_PREF(dp_status[port]);
@@ -281,7 +94,7 @@ static enum typec_mux svdm_dp_mux_mode(int port)
return TYPEC_MUX_DP;
}
-static int svdm_dp_config(int port, uint32_t *payload)
+__override 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]);
@@ -319,7 +132,7 @@ static int svdm_dp_config(int port, uint32_t *payload)
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)
+__override void svdm_dp_post_config(int port)
{
const struct usb_mux * const mux = &usb_muxes[port];
@@ -339,114 +152,4 @@ static void svdm_dp_post_config(int port)
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 * const mux = &usb_muxes[port];
-
- cur_lvl = gpio_get_level(hpd);
- dp_status[port] = payload[1];
-
- /* 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; /* ack */
- }
-
- 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) {
- /*
- * IRQ can only be generated when the level is high, because
- * the IRQ is signaled by a short low pulse from the high level.
- */
- 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);
- return 1; /* ack */
-}
-
-static void svdm_exit_dp_mode(int port)
-{
- const struct usb_mux * const mux = &usb_muxes[port];
-
- dp_flags[port] = 0;
- dp_status[port] = 0;
-
- usb_mux_set(port, TYPEC_MUX_NONE, USB_SWITCH_CONNECT,
- pd_get_polarity(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 */