1 files changed, 119 insertions, 0 deletions
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h
new file mode 100644
index 000000000000..e67954e31b14
--- /dev/null
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h
@@ -0,0 +1,119 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023, Linaro Ltd. All rights reserved.
+ */
+#ifndef __QCOM_PMIC_PDPHY_H__
+#define __QCOM_PMIC_PDPHY_H__
+
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/usb/tcpm.h>
+
+#define USB_PDPHY_MAX_DATA_OBJ_LEN	28
+#define USB_PDPHY_MSG_HDR_LEN		2
+
+/* PD PHY register offsets and bit fields */
+#define USB_PDPHY_MSG_CONFIG_REG	0x40
+#define MSG_CONFIG_PORT_DATA_ROLE	BIT(3)
+#define MSG_CONFIG_PORT_POWER_ROLE	BIT(2)
+#define MSG_CONFIG_SPEC_REV_MASK	(BIT(1) | BIT(0))
+
+#define USB_PDPHY_EN_CONTROL_REG	0x46
+#define CONTROL_ENABLE			BIT(0)
+
+#define USB_PDPHY_RX_STATUS_REG		0x4A
+#define RX_FRAME_TYPE			(BIT(0) | BIT(1) | BIT(2))
+
+#define USB_PDPHY_FRAME_FILTER_REG	0x4C
+#define FRAME_FILTER_EN_HARD_RESET	BIT(5)
+#define FRAME_FILTER_EN_SOP		BIT(0)
+
+#define USB_PDPHY_TX_SIZE_REG		0x42
+#define TX_SIZE_MASK			0xF
+
+#define USB_PDPHY_TX_CONTROL_REG	0x44
+#define TX_CONTROL_RETRY_COUNT(n)	(((n) & 0x3) << 5)
+#define TX_CONTROL_FRAME_TYPE(n)        (((n) & 0x7) << 2)
+#define TX_CONTROL_FRAME_TYPE_CABLE_RESET	(0x1 << 2)
+#define TX_CONTROL_SEND_SIGNAL		BIT(1)
+#define TX_CONTROL_SEND_MSG		BIT(0)
+
+#define USB_PDPHY_RX_SIZE_REG		0x48
+
+#define USB_PDPHY_RX_ACKNOWLEDGE_REG	0x4B
+#define RX_BUFFER_TOKEN			BIT(0)
+
+#define USB_PDPHY_BIST_MODE_REG		0x4E
+#define BIST_MODE_MASK			0xF
+#define BIST_ENABLE			BIT(7)
+#define PD_MSG_BIST			0x3
+#define PD_BIST_TEST_DATA_MODE		0x8
+
+#define USB_PDPHY_TX_BUFFER_HDR_REG	0x60
+#define USB_PDPHY_TX_BUFFER_DATA_REG	0x62
+
+#define USB_PDPHY_RX_BUFFER_REG		0x80
+
+/* VDD regulator */
+#define VDD_PDPHY_VOL_MIN		2800000	/* uV */
+#define VDD_PDPHY_VOL_MAX		3300000	/* uV */
+#define VDD_PDPHY_HPM_LOAD		3000	/* uA */
+
+/* Message Spec Rev field */
+#define PD_MSG_HDR_REV(hdr)		(((hdr) >> 6) & 3)
+
+/* timers */
+#define RECEIVER_RESPONSE_TIME		15	/* tReceiverResponse */
+#define HARD_RESET_COMPLETE_TIME	5	/* tHardResetComplete */
+
+/* Interrupt numbers */
+#define PMIC_PDPHY_SIG_TX_IRQ		0x0
+#define PMIC_PDPHY_SIG_RX_IRQ		0x1
+#define PMIC_PDPHY_MSG_TX_IRQ		0x2
+#define PMIC_PDPHY_MSG_RX_IRQ		0x3
+#define PMIC_PDPHY_MSG_TX_FAIL_IRQ	0x4
+#define PMIC_PDPHY_MSG_TX_DISCARD_IRQ	0x5
+#define PMIC_PDPHY_MSG_RX_DISCARD_IRQ	0x6
+#define PMIC_PDPHY_FR_SWAP_IRQ		0x7
+
+/* Resources */
+#define PMIC_PDPHY_MAX_IRQS		0x08
+
+struct pmic_typec_pdphy_irq_params {
+	int				virq;
+	char				*irq_name;
+};
+
+struct pmic_typec_pdphy_resources {
+	unsigned int				nr_irqs;
+	struct pmic_typec_pdphy_irq_params	irq_params[PMIC_PDPHY_MAX_IRQS];
+};
+
+/* API */
+struct pmic_typec_pdphy;
+
+struct pmic_typec_pdphy *qcom_pmic_typec_pdphy_alloc(struct device *dev);
+
+int qcom_pmic_typec_pdphy_probe(struct platform_device *pdev,
+				struct pmic_typec_pdphy *pmic_typec_pdphy,
+				struct pmic_typec_pdphy_resources *res,
+				struct regmap *regmap,
+				u32 base);
+
+int qcom_pmic_typec_pdphy_start(struct pmic_typec_pdphy *pmic_typec_pdphy,
+				struct tcpm_port *tcpm_port);
+
+void qcom_pmic_typec_pdphy_stop(struct pmic_typec_pdphy *pmic_typec_pdphy);
+
+int qcom_pmic_typec_pdphy_set_roles(struct pmic_typec_pdphy *pmic_typec_pdphy,
+				    bool power_role_src, bool data_role_host);
+
+int qcom_pmic_typec_pdphy_set_pd_rx(struct pmic_typec_pdphy *pmic_typec_pdphy, bool on);
+
+int qcom_pmic_typec_pdphy_pd_transmit(struct pmic_typec_pdphy *pmic_typec_pdphy,
+				      enum tcpm_transmit_type type,
+				      const struct pd_message *msg,
+				      unsigned int negotiated_rev);
+
+#endif /* __QCOM_PMIC_TYPEC_PDPHY_H__ */