1 files changed, 332 insertions, 0 deletions
diff --git a/include/linux/hisi/usb/pd/richtek/tcpm.h b/include/linux/hisi/usb/pd/richtek/tcpm.h
new file mode 100644
index 000000000000..af3316cb50f8
--- /dev/null
+++ b/include/linux/hisi/usb/pd/richtek/tcpm.h
@@ -0,0 +1,332 @@
+/*
+ * Copyright (C) 2016 Richtek Technology Corp.
+ *
+ * Author: TH <tsunghan_tsai@richtek.com>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef TCPM_H_
+#define TCPM_H_
+
+#include <linux/kernel.h>
+#include <linux/notifier.h>
+
+#include <linux/hisi/usb/pd/richtek/tcpci_config.h>
+
+#include <linux/hisi/usb/hisi_pd_dev.h>
+#include <linux/hisi/log/hisi_log.h>
+
+#ifndef HISILOG_TAG
+#define HISILOG_TAG hisi_pd
+HISILOG_REGIST();
+#endif
+
+struct tcpc_device;
+
+/*
+ * Type-C Port Notify Chain
+ */
+
+enum typec_attach_type {
+	TYPEC_UNATTACHED = 0,
+	TYPEC_ATTACHED_SNK,
+	TYPEC_ATTACHED_SRC,
+	TYPEC_ATTACHED_AUDIO,
+	TYPEC_ATTACHED_DEBUG,
+
+#ifdef CONFIG_TYPEC_CAP_DBGACC_SNK
+	TYPEC_ATTACHED_DBGACC_SNK,		/* Rp, Rp */
+#endif	/* CONFIG_TYPEC_CAP_DBGACC_SNK */
+
+#ifdef CONFIG_TYPEC_CAP_CUSTOM_SRC
+	TYPEC_ATTACHED_CUSTOM_SRC,		/* Same Rp */
+#endif	/* CONFIG_TYPEC_CAP_CUSTOM_SRC */
+};
+
+enum dpm_request_state {
+	DPM_REQ_NULL,
+	DPM_REQ_QUEUE,
+	DPM_REQ_RUNNING,
+	DPM_REQ_SUCCESS,
+	DPM_REQ_FAILED,
+
+	/* Request failed */
+
+	DPM_REQ_ERR_IDLE = DPM_REQ_FAILED,
+
+	DPM_REQ_ERR_NOT_READY,
+	DPM_REQ_ERR_WRONG_ROLE,
+
+	DPM_REQ_ERR_RECV_HRESET,
+	DPM_REQ_ERR_RECV_SRESET,
+	DPM_REQ_ERR_SEND_HRESET,
+	DPM_REQ_ERR_SEND_SRESET,
+	DPM_REQ_ERR_SEND_BIST,
+
+	/* Internal */
+	DPM_REQ_SUCCESS_CODE,
+
+	DPM_REQ_E_UVDM_ACK,
+	DPM_REQ_E_UVDM_NAK,
+};
+
+/* Power role */
+#define PD_ROLE_SINK   0
+#define PD_ROLE_SOURCE 1
+
+/* Data role */
+#define PD_ROLE_UFP    0
+#define PD_ROLE_DFP    1
+
+/* Vconn role */
+#define PD_ROLE_VCONN_OFF 0
+#define PD_ROLE_VCONN_ON  1
+
+enum {
+	TCP_NOTIFY_DIS_VBUS_CTRL,
+	TCP_NOTIFY_SOURCE_VCONN,
+	TCP_NOTIFY_SOURCE_VBUS,
+	TCP_NOTIFY_SINK_VBUS,
+	TCP_NOTIFY_PR_SWAP,
+	TCP_NOTIFY_DR_SWAP,
+	TCP_NOTIFY_VCONN_SWAP,
+	TCP_NOTIFY_ENTER_MODE,
+	TCP_NOTIFY_EXIT_MODE,
+	TCP_NOTIFY_AMA_DP_STATE,
+	TCP_NOTIFY_AMA_DP_ATTENTION,
+	TCP_NOTIFY_AMA_DP_HPD_STATE,
+
+	TCP_NOTIFY_TYPEC_STATE,
+	TCP_NOTIFY_PD_STATE,
+};
+
+struct tcp_ny_pd_state {
+	u8 connected;
+};
+
+struct tcp_ny_swap_state {
+	u8 new_role;
+};
+
+struct tcp_ny_enable_state {
+	bool en;
+};
+
+struct tcp_ny_typec_state {
+	u8 rp_level;
+	u8 polarity;
+	u8 old_state;
+	u8 new_state;
+};
+
+enum {
+	TCP_VBUS_CTRL_REMOVE = 0,
+	TCP_VBUS_CTRL_TYPEC = 1,
+	TCP_VBUS_CTRL_PD = 2,
+
+	TCP_VBUS_CTRL_HRESET = TCP_VBUS_CTRL_PD,
+	TCP_VBUS_CTRL_PR_SWAP = 3,
+	TCP_VBUS_CTRL_REQUEST = 4,
+
+	TCP_VBUS_CTRL_PD_DETECT = (1 << 7),
+
+	TCP_VBUS_CTRL_PD_HRESET =
+		TCP_VBUS_CTRL_HRESET | TCP_VBUS_CTRL_PD_DETECT,
+
+	TCP_VBUS_CTRL_PD_PR_SWAP =
+		TCP_VBUS_CTRL_PR_SWAP | TCP_VBUS_CTRL_PD_DETECT,
+
+	TCP_VBUS_CTRL_PD_REQUEST =
+		TCP_VBUS_CTRL_REQUEST | TCP_VBUS_CTRL_PD_DETECT,
+};
+
+struct tcp_ny_vbus_state {
+	int mv;
+	int ma;
+	u8 type;
+};
+
+struct tcp_ny_mode_ctrl {
+	u16 svid;
+	u8 ops;
+	u32 mode;
+};
+
+enum {
+	SW_USB = 0,
+	SW_DFP_D,
+	SW_UFP_D,
+};
+
+struct tcp_ny_ama_dp_state {
+	u8 sel_config;
+	u8 signal;
+	u8 pin_assignment;
+	u8 polarity;
+	u8 active;
+};
+
+enum {
+	TCP_DP_UFP_U_MASK = 0x7C,
+	TCP_DP_UFP_U_POWER_LOW = 1 << 2,
+	TCP_DP_UFP_U_ENABLED = 1 << 3,
+	TCP_DP_UFP_U_MF_PREFER = 1 << 4,
+	TCP_DP_UFP_U_USB_CONFIG = 1 << 5,
+	TCP_DP_UFP_U_EXIT_MODE = 1 << 6,
+};
+
+struct tcp_ny_ama_dp_attention {
+	u8 state;
+};
+
+struct tcp_ny_ama_dp_hpd_state {
+	bool irq : 1;
+	bool state : 1;
+};
+
+struct tcp_ny_uvdm {
+	bool ack;
+	u8 uvdm_cnt;
+	u16 uvdm_svid;
+	u32 *uvdm_data;
+};
+
+struct tcp_notify {
+	union {
+		struct tcp_ny_enable_state en_state;
+		struct tcp_ny_vbus_state vbus_state;
+		struct tcp_ny_typec_state typec_state;
+		struct tcp_ny_swap_state swap_state;
+		struct tcp_ny_pd_state pd_state;
+		struct tcp_ny_mode_ctrl mode_ctrl;
+		struct tcp_ny_ama_dp_state ama_dp_state;
+		struct tcp_ny_ama_dp_attention ama_dp_attention;
+		struct tcp_ny_ama_dp_hpd_state ama_dp_hpd_state;
+		struct tcp_ny_uvdm uvdm_msg;
+	};
+};
+
+struct tcpc_device *tcpc_dev_get_by_name(const char *name);
+
+int register_tcp_dev_notifier(
+		struct tcpc_device *tcp_dev,
+		struct notifier_block *nb);
+int unregister_tcp_dev_notifier(
+		struct tcpc_device *tcp_dev,
+		struct notifier_block *nb);
+
+struct tcpc_device *notify_tcp_dev_ready(const char *name);
+
+/*
+ * Type-C Port Control I/F
+ */
+
+enum tcpm_error_list {
+	TCPM_SUCCESS = 0,
+	TCPM_ERROR_UNKNOWN = -1,
+	TCPM_ERROR_UNATTACHED = -2,
+	TCPM_ERROR_PARAMETER = -3,
+	TCPM_ERROR_PUT_EVENT = -4,
+};
+
+#define TCPM_PDO_MAX_SIZE	7
+
+struct tcpm_power_cap {
+	u8 cnt;
+	u32 pdos[TCPM_PDO_MAX_SIZE];
+};
+
+/* Inquire TCPM status */
+
+enum tcpc_cc_voltage_status {
+	TYPEC_CC_VOLT_OPEN = 0,
+	TYPEC_CC_VOLT_RA = 1,
+	TYPEC_CC_VOLT_RD = 2,
+
+	TYPEC_CC_VOLT_SNK_DFT = 5,
+	TYPEC_CC_VOLT_SNK_1_5 = 6,
+	TYPEC_CC_VOLT_SNK_3_0 = 7,
+
+	TYPEC_CC_DRP_TOGGLING = 15,
+};
+
+enum tcpm_vbus_level {
+#ifdef CONFIG_TCPC_VSAFE0V_DETECT
+	TCPC_VBUS_SAFE0V = 0,
+	TCPC_VBUS_INVALID,
+	TCPC_VBUS_VALID,
+#else
+	TCPC_VBUS_INVALID = 0,
+	TCPC_VBUS_VALID,
+#endif
+};
+
+enum typec_role_defination {
+	TYPEC_ROLE_UNKNOWN = 0,
+	TYPEC_ROLE_SNK,
+	TYPEC_ROLE_SRC,
+	TYPEC_ROLE_DRP,
+	TYPEC_ROLE_TRY_SRC,
+	TYPEC_ROLE_TRY_SNK,
+	TYPEC_ROLE_NR,
+};
+
+int tcpm_inquire_remote_cc(
+		struct tcpc_device *tcpc_dev,
+		u8 *cc1, u8 *cc2, bool from_ic);
+int tcpm_inquire_vbus_level(struct tcpc_device *tcpc_dev, bool from_ic);
+bool tcpm_inquire_cc_polarity(struct tcpc_device *tcpc_dev);
+u8 tcpm_inquire_typec_attach_state(struct tcpc_device *tcpc_dev);
+u8 tcpm_inquire_typec_role(struct tcpc_device *tcpc_dev);
+u8 tcpm_inquire_typec_local_rp(struct tcpc_device *tcpc_dev);
+
+int tcpm_typec_set_rp_level(struct tcpc_device *tcpc_dev, u8 level);
+
+int tcpm_typec_change_role(struct tcpc_device *tcpc_dev, u8 typec_role);
+
+#ifdef CONFIG_USB_POWER_DELIVERY
+
+bool tcpm_inquire_pd_connected(struct tcpc_device *tcpc_dev);
+
+bool tcpm_inquire_pd_prev_connected(struct tcpc_device *tcpc_dev);
+
+u8 tcpm_inquire_pd_data_role(struct tcpc_device *tcpc_dev);
+
+u8 tcpm_inquire_pd_power_role(struct tcpc_device *tcpc_dev);
+
+u8 tcpm_inquire_pd_vconn_role(struct tcpc_device *tcpc_dev);
+
+#endif	/* CONFIG_USB_POWER_DELIVERY */
+
+/* Request TCPM to send PD Request */
+
+int tcpm_power_role_swap(struct tcpc_device *tcpc_dev);
+int tcpm_data_role_swap(struct tcpc_device *tcpc_dev);
+int tcpm_vconn_swap(struct tcpc_device *tcpc_dev);
+int tcpm_goto_min(struct tcpc_device *tcpc_dev);
+int tcpm_soft_reset(struct tcpc_device *tcpc_dev);
+int tcpm_hard_reset(struct tcpc_device *tcpc_dev);
+int tcpm_get_source_cap(
+		struct tcpc_device *tcpc_dev, struct tcpm_power_cap *cap);
+int tcpm_get_sink_cap(struct tcpc_device *tcpc_dev, struct tcpm_power_cap *cap);
+int tcpm_bist_cm2(struct tcpc_device *tcpc_dev);
+int tcpm_request(struct tcpc_device *tcpc_dev, int mv, int ma);
+int tcpm_error_recovery(struct tcpc_device *tcpc_dev);
+
+/* Request TCPM to send VDM */
+
+int tcpm_discover_cable(struct tcpc_device *tcpc_dev, u32 *vdos);
+
+int tcpm_vdm_request_id(struct tcpc_device *tcpc_dev, u8 *cnt, u8 *payload);
+
+/* Notify TCPM */
+
+int tcpm_notify_vbus_stable(struct tcpc_device *tcpc_dev);
+#endif /* TCPM_H_ */