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Diffstat (limited to 'common/usb_pd_alt_mode_dfp.c')
-rw-r--r--common/usb_pd_alt_mode_dfp.c436
1 files changed, 7 insertions, 429 deletions
diff --git a/common/usb_pd_alt_mode_dfp.c b/common/usb_pd_alt_mode_dfp.c
index 6df0215274..caba71bb31 100644
--- a/common/usb_pd_alt_mode_dfp.c
+++ b/common/usb_pd_alt_mode_dfp.c
@@ -163,6 +163,7 @@ void pd_prepare_sysjump(void)
#endif /* CONFIG_ZEPHYR */
}
+#ifdef CONFIG_USB_PD_DP_MODE
/*
* This algorithm defaults to choosing higher pin config over lower ones in
* order to prefer multi-function if desired.
@@ -226,6 +227,7 @@ int pd_dfp_dp_get_pin_mode(int port, uint32_t status)
return 1 << get_next_bit(&pin_caps);
}
+#endif /* CONFIG_USB_PD_DP_MODE */
struct svdm_amode_data *pd_get_amode_data(int port, enum tcpci_msg_type type,
uint16_t svid)
@@ -324,23 +326,6 @@ int pd_dfp_exit_mode(int port, enum tcpci_msg_type type, uint16_t svid,
return 1;
}
-/*
- * Check if the SVID has been recorded previously. Some peripherals provide
- * duplicated SVID.
- */
-static bool is_svid_duplicated(const struct pd_discovery *disc, uint16_t svid)
-{
- int i;
-
- for (i = 0; i < disc->svid_cnt; ++i)
- if (disc->svids[i].svid == svid) {
- CPRINTF("ERR:SVIDDUP\n");
- return true;
- }
-
- return false;
-}
-
void dfp_consume_attention(int port, uint32_t *payload)
{
uint16_t svid = PD_VDO_VID(payload[0]);
@@ -355,143 +340,6 @@ void dfp_consume_attention(int port, uint32_t *payload)
modep->fx->attention(port, payload);
}
-void dfp_consume_identity(int port, enum tcpci_msg_type type, int cnt,
- uint32_t *payload)
-{
- int ptype;
- struct pd_discovery *disc;
- size_t identity_size;
-
- if (type == TCPCI_MSG_SOP_PRIME &&
- !IS_ENABLED(CONFIG_USB_PD_DECODE_SOP)) {
- CPRINTF("ERR:Unexpected cable response\n");
- return;
- }
-
- ptype = PD_IDH_PTYPE(payload[VDO_I(IDH)]);
- disc = pd_get_am_discovery_and_notify_access(port, type);
- identity_size =
- MIN(sizeof(union disc_ident_ack), (cnt - 1) * sizeof(uint32_t));
-
- /* Note: only store VDOs, not the VDM header */
- memcpy(disc->identity.raw_value, payload + 1, identity_size);
- disc->identity_cnt = identity_size / sizeof(uint32_t);
-
- switch (ptype) {
- case IDH_PTYPE_AMA:
- /* Leave vbus ON if the following macro is false */
- if (IS_ENABLED(CONFIG_USB_PD_DUAL_ROLE) &&
- IS_ENABLED(CONFIG_USBC_VCONN_SWAP)) {
- /* Adapter is requesting vconn, try to supply it */
- if (PD_VDO_AMA_VCONN_REQ(payload[VDO_I(AMA)]))
- pd_try_vconn_src(port);
-
- /* Only disable vbus if vconn was requested */
- if (PD_VDO_AMA_VCONN_REQ(payload[VDO_I(AMA)]) &&
- !PD_VDO_AMA_VBUS_REQ(payload[VDO_I(AMA)]))
- pd_power_supply_reset(port);
- }
- break;
- default:
- break;
- }
- pd_set_identity_discovery(port, type, PD_DISC_COMPLETE);
-}
-
-void dfp_consume_svids(int port, enum tcpci_msg_type type, int cnt,
- uint32_t *payload)
-{
- int i;
- uint32_t *ptr = payload + 1;
- int vdo = 1;
- uint16_t svid0, svid1;
- struct pd_discovery *disc =
- pd_get_am_discovery_and_notify_access(port, type);
-
- for (i = disc->svid_cnt; i < disc->svid_cnt + 12; i += 2) {
- if (i >= SVID_DISCOVERY_MAX) {
- CPRINTF("ERR:SVIDCNT\n");
- break;
- }
- /*
- * Verify we're still within the valid packet (count will be one
- * for the VDM header + xVDOs)
- */
- if (vdo >= cnt)
- break;
-
- svid0 = PD_VDO_SVID_SVID0(*ptr);
- if (!svid0)
- break;
-
- if (!is_svid_duplicated(disc, svid0))
- disc->svids[disc->svid_cnt++].svid = svid0;
-
- svid1 = PD_VDO_SVID_SVID1(*ptr);
- if (!svid1)
- break;
-
- if (!is_svid_duplicated(disc, svid1))
- disc->svids[disc->svid_cnt++].svid = svid1;
-
- ptr++;
- vdo++;
- }
- /* TODO(tbroch) need to re-issue discover svids if > 12 */
- if (i && ((i % 12) == 0))
- CPRINTF("ERR:SVID+12\n");
-
- pd_set_svids_discovery(port, type, PD_DISC_COMPLETE);
-}
-
-void dfp_consume_modes(int port, enum tcpci_msg_type type, int cnt,
- uint32_t *payload)
-{
- int svid_idx;
- struct svid_mode_data *mode_discovery = NULL;
- struct pd_discovery *disc =
- pd_get_am_discovery_and_notify_access(port, type);
- uint16_t response_svid = (uint16_t)PD_VDO_VID(payload[0]);
-
- for (svid_idx = 0; svid_idx < disc->svid_cnt; ++svid_idx) {
- uint16_t svid = disc->svids[svid_idx].svid;
-
- if (svid == response_svid) {
- mode_discovery = &disc->svids[svid_idx];
- break;
- }
- }
- if (!mode_discovery) {
- const struct svid_mode_data *requested_mode_data =
- pd_get_next_mode(port, type);
- CPRINTF("C%d: Mode response for undiscovered SVID %x, but TCPM "
- "requested SVID %x\n",
- port, response_svid, requested_mode_data->svid);
- /*
- * Although SVIDs discovery seemed like it succeeded before, the
- * partner is now responding with undiscovered SVIDs. Discovery
- * cannot reasonably continue under these circumstances.
- */
- pd_set_modes_discovery(port, type, requested_mode_data->svid,
- PD_DISC_FAIL);
- return;
- }
-
- mode_discovery->mode_cnt = cnt - 1;
- if (mode_discovery->mode_cnt < 1) {
- CPRINTF("ERR:NOMODE\n");
- pd_set_modes_discovery(port, type, mode_discovery->svid,
- PD_DISC_FAIL);
- return;
- }
-
- memcpy(mode_discovery->mode_vdo, &payload[1],
- sizeof(uint32_t) * mode_discovery->mode_cnt);
- disc->svid_idx++;
- pd_set_modes_discovery(port, type, mode_discovery->svid,
- PD_DISC_COMPLETE);
-}
-
int pd_alt_mode(int port, enum tcpci_msg_type type, uint16_t svid)
{
struct svdm_amode_data *modep = pd_get_amode_data(port, type, svid);
@@ -499,200 +347,6 @@ int pd_alt_mode(int port, enum tcpci_msg_type type, uint16_t svid)
return (modep) ? modep->opos : -1;
}
-void pd_set_identity_discovery(int port, enum tcpci_msg_type type,
- enum pd_discovery_state disc)
-{
- struct pd_discovery *pd =
- pd_get_am_discovery_and_notify_access(port, type);
-
- pd->identity_discovery = disc;
-}
-
-enum pd_discovery_state pd_get_identity_discovery(int port,
- enum tcpci_msg_type type)
-{
- const struct pd_discovery *disc = pd_get_am_discovery(port, type);
-
- return disc->identity_discovery;
-}
-
-const union disc_ident_ack *pd_get_identity_response(int port,
- enum tcpci_msg_type type)
-{
- if (type >= DISCOVERY_TYPE_COUNT)
- return NULL;
-
- return &pd_get_am_discovery(port, type)->identity;
-}
-
-uint16_t pd_get_identity_vid(int port)
-{
- const union disc_ident_ack *resp =
- pd_get_identity_response(port, TCPCI_MSG_SOP);
-
- return resp->idh.usb_vendor_id;
-}
-
-uint16_t pd_get_identity_pid(int port)
-{
- const union disc_ident_ack *resp =
- pd_get_identity_response(port, TCPCI_MSG_SOP);
-
- return resp->product.product_id;
-}
-
-uint8_t pd_get_product_type(int port)
-{
- const union disc_ident_ack *resp =
- pd_get_identity_response(port, TCPCI_MSG_SOP);
-
- return resp->idh.product_type;
-}
-
-void pd_set_svids_discovery(int port, enum tcpci_msg_type type,
- enum pd_discovery_state disc)
-{
- struct pd_discovery *pd =
- pd_get_am_discovery_and_notify_access(port, type);
-
- pd->svids_discovery = disc;
-}
-
-enum pd_discovery_state pd_get_svids_discovery(int port,
- enum tcpci_msg_type type)
-{
- const struct pd_discovery *disc = pd_get_am_discovery(port, type);
-
- return disc->svids_discovery;
-}
-
-int pd_get_svid_count(int port, enum tcpci_msg_type type)
-{
- const struct pd_discovery *disc = pd_get_am_discovery(port, type);
-
- return disc->svid_cnt;
-}
-
-uint16_t pd_get_svid(int port, uint16_t svid_idx, enum tcpci_msg_type type)
-{
- const struct pd_discovery *disc = pd_get_am_discovery(port, type);
-
- return disc->svids[svid_idx].svid;
-}
-
-void pd_set_modes_discovery(int port, enum tcpci_msg_type type, uint16_t svid,
- enum pd_discovery_state disc)
-{
- struct pd_discovery *pd =
- pd_get_am_discovery_and_notify_access(port, type);
- int svid_idx;
-
- for (svid_idx = 0; svid_idx < pd->svid_cnt; ++svid_idx) {
- struct svid_mode_data *mode_data = &pd->svids[svid_idx];
-
- if (mode_data->svid != svid)
- continue;
-
- mode_data->discovery = disc;
- return;
- }
-}
-
-enum pd_discovery_state pd_get_modes_discovery(int port,
- enum tcpci_msg_type type)
-{
- const struct svid_mode_data *mode_data = pd_get_next_mode(port, type);
-
- /*
- * If there are no SVIDs for which to discover modes, mode discovery is
- * trivially complete.
- */
- if (!mode_data)
- return PD_DISC_COMPLETE;
-
- return mode_data->discovery;
-}
-
-int pd_get_mode_vdo_for_svid(int port, enum tcpci_msg_type type, uint16_t svid,
- uint32_t *vdo_out)
-{
- int idx;
- const struct pd_discovery *disc;
-
- if (type >= DISCOVERY_TYPE_COUNT)
- return 0;
-
- disc = pd_get_am_discovery(port, type);
-
- for (idx = 0; idx < disc->svid_cnt; ++idx) {
- if (pd_get_svid(port, idx, type) == svid) {
- memcpy(vdo_out, disc->svids[idx].mode_vdo,
- sizeof(uint32_t) * disc->svids[idx].mode_cnt);
- return disc->svids[idx].mode_cnt;
- }
- }
- return 0;
-}
-
-const struct svid_mode_data *pd_get_next_mode(int port,
- enum tcpci_msg_type type)
-{
- const struct pd_discovery *disc = pd_get_am_discovery(port, type);
- const struct svid_mode_data *failed_mode_data = NULL;
- bool svid_good_discovery = false;
- int svid_idx;
-
- /* Walk through all of the discovery mode entries */
- for (svid_idx = 0; svid_idx < disc->svid_cnt; ++svid_idx) {
- const struct svid_mode_data *mode_data = &disc->svids[svid_idx];
-
- /* Discovery is needed, so send this one back now */
- if (mode_data->discovery == PD_DISC_NEEDED)
- return mode_data;
-
- /* Discovery already succeeded, save that it was seen */
- if (mode_data->discovery == PD_DISC_COMPLETE)
- svid_good_discovery = true;
- /* Discovery already failed, save first failure */
- else if (!failed_mode_data)
- failed_mode_data = mode_data;
- }
-
- /* If no good entries were located, then return last failed */
- if (!svid_good_discovery)
- return failed_mode_data;
-
- /*
- * Mode discovery has been attempted for every discovered SVID (if
- * any exist)
- */
- return NULL;
-}
-
-const uint32_t *pd_get_mode_vdo(int port, uint16_t svid_idx,
- enum tcpci_msg_type type)
-{
- const struct pd_discovery *disc = pd_get_am_discovery(port, type);
-
- return disc->svids[svid_idx].mode_vdo;
-}
-
-bool pd_is_mode_discovered_for_svid(int port, enum tcpci_msg_type type,
- uint16_t svid)
-{
- const struct pd_discovery *disc = pd_get_am_discovery(port, type);
- const struct svid_mode_data *mode_data;
-
- for (mode_data = disc->svids; mode_data < disc->svids + disc->svid_cnt;
- ++mode_data) {
- if (mode_data->svid == svid &&
- mode_data->discovery == PD_DISC_COMPLETE)
- return true;
- }
-
- return false;
-}
-
void notify_sysjump_ready(void)
{
/*
@@ -703,86 +357,7 @@ void notify_sysjump_ready(void)
task_set_event(sysjump_task_waiting, TASK_EVENT_SYSJUMP_READY);
}
-static inline bool is_pd_rev3(int port, enum tcpci_msg_type type)
-{
- return pd_get_rev(port, type) == PD_REV30;
-}
-
-/*
- * ############################################################################
- *
- * (Charge Through) Vconn Powered Device functions
- *
- * ############################################################################
- */
-bool is_vpd_ct_supported(int port)
-{
- const struct pd_discovery *disc =
- pd_get_am_discovery(port, TCPCI_MSG_SOP_PRIME);
- union vpd_vdo vpd = disc->identity.product_t1.vpd;
-
- return vpd.ct_support;
-}
-
-/*
- * ############################################################################
- *
- * Cable communication functions
- *
- * ############################################################################
- */
-enum idh_ptype get_usb_pd_cable_type(int port)
-{
- const struct pd_discovery *disc =
- pd_get_am_discovery(port, TCPCI_MSG_SOP_PRIME);
-
- return disc->identity.idh.product_type;
-}
-
-bool is_usb2_cable_support(int port)
-{
- const struct pd_discovery *disc =
- pd_get_am_discovery(port, TCPCI_MSG_SOP_PRIME);
-
- return disc->identity.idh.product_type == IDH_PTYPE_PCABLE ||
- pd_get_vdo_ver(port, TCPCI_MSG_SOP_PRIME) < VDM_VER20 ||
- disc->identity.product_t2.a2_rev30.usb_20_support ==
- USB2_SUPPORTED;
-}
-
-bool is_cable_speed_gen2_capable(int port)
-{
- const struct pd_discovery *disc =
- pd_get_am_discovery(port, TCPCI_MSG_SOP_PRIME);
-
- switch (pd_get_rev(port, TCPCI_MSG_SOP_PRIME)) {
- case PD_REV20:
- return disc->identity.product_t1.p_rev20.ss ==
- USB_R20_SS_U31_GEN1_GEN2;
-
- case PD_REV30:
- return disc->identity.product_t1.p_rev30.ss ==
- USB_R30_SS_U32_U40_GEN2 ||
- disc->identity.product_t1.p_rev30.ss ==
- USB_R30_SS_U40_GEN3;
- default:
- return false;
- }
-}
-
-bool is_active_cable_element_retimer(int port)
-{
- const struct pd_discovery *disc =
- pd_get_am_discovery(port, TCPCI_MSG_SOP_PRIME);
-
- /* Ref: USB PD Spec 2.0 Table 6-29 Active Cable VDO
- * Revision 2 Active cables do not have Active element support.
- */
- return is_pd_rev3(port, TCPCI_MSG_SOP_PRIME) &&
- disc->identity.idh.product_type == IDH_PTYPE_ACABLE &&
- disc->identity.product_t2.a2_rev30.active_elem == ACTIVE_RETIMER;
-}
-
+#ifdef CONFIG_USB_PD_DP_MODE
__overridable void svdm_safe_dp_mode(int port)
{
/* make DP interface safe until configure */
@@ -1040,6 +615,7 @@ __overridable void svdm_exit_dp_mode(int port)
baseboard_mst_enable_control(port, 0);
#endif
}
+#endif /* CONFIG_USB_PD_DP_MODE */
#ifdef CONFIG_USB_PD_TCPMV1
__overridable int svdm_enter_gfu_mode(int port, uint32_t mode_caps)
@@ -1104,6 +680,7 @@ __overridable int svdm_tbt_compat_attention(int port, uint32_t *payload)
* configuration to Device Policy Manager.
*/
const struct svdm_amode_fx supported_modes[] = {
+#ifdef CONFIG_USB_PD_DP_MODE
{
.svid = USB_SID_DISPLAYPORT,
.enter = &svdm_enter_dp_mode,
@@ -1113,6 +690,7 @@ const struct svdm_amode_fx supported_modes[] = {
.attention = &svdm_dp_attention,
.exit = &svdm_exit_dp_mode,
},
+#endif /* CONFIG_USB_PD_DP_MODE */
#ifdef CONFIG_USB_PD_TCPMV1
{
.svid = USB_VID_GOOGLE,
@@ -1136,7 +714,7 @@ const struct svdm_amode_fx supported_modes[] = {
};
const int supported_modes_cnt = ARRAY_SIZE(supported_modes);
-#ifdef CONFIG_CMD_MFALLOW
+#if defined(CONFIG_CMD_MFALLOW)
static int command_mfallow(int argc, const char **argv)
{
char *e;