[2/7] usb: typec: ucsi: add ccg command framework

Used to send command to ccg controller

Signed-off-by: Ajay Gupta <ajayg@nvidia.com>
---
 drivers/usb/typec/ucsi/ucsi_ccg.c | 252 ++++++++++++++++++++++++++++--
 1 file changed, 243 insertions(+), 9 deletions(-)

diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c
index 4d35279ab853..dce9126b6a37 100644
--- a/drivers/usb/typec/ucsi/ucsi_ccg.c
+++ b/drivers/usb/typec/ucsi/ucsi_ccg.c

@@ -17,6 +17,29 @@
 #include <asm/unaligned.h>
 #include "ucsi.h"
 
+#define CCGX_RAB_DEVICE_MODE			0x0000
+#define CCGX_RAB_INTR_REG			0x0006
+#define  DEV_INT				BIT(0)
+#define  PORT0_INT				BIT(1)
+#define  PORT1_INT				BIT(2)
+#define  UCSI_READ_INT				BIT(7)
+#define CCGX_RAB_READ_ALL_VER			0x0010
+#define CCGX_RAB_READ_FW2_VER			0x0020
+#define CCGX_RAB_UCSI_CONTROL			0x0039
+#define CCGX_RAB_UCSI_CONTROL_START		BIT(0)
+#define CCGX_RAB_UCSI_CONTROL_STOP		BIT(1)
+#define CCGX_RAB_UCSI_DATA_BLOCK(offset)	(0xf000 | ((offset) & 0xff))
+#define DEV_REG_IDX				CCGX_RAB_DEVICE_MODE
+#define CCGX_RAB_RESPONSE			0x007E
+#define  ASYNC_EVENT				BIT(7)
+
+/* CCGx events & async msg codes */
+#define RESET_COMPLETE		0x80
+#define EVENT_INDEX		RESET_COMPLETE
+#define PORT_CONNECT_DET	0x84
+#define PORT_DISCONNECT_DET	0x85
+#define ROLE_SWAP_COMPELETE	0x87
+
 struct ccg_dev_info {
 	u8 fw_mode:2;
 	u8 two_pd_ports:2;

@@ -44,23 +67,113 @@ struct version_info {
 	struct version_format app;
 };
 
+/* CCGx response codes */
+enum ccg_resp_code {
+	CMD_NO_RESP             = 0x00,
+	CMD_SUCCESS             = 0x02,
+	FLASH_DATA_AVAILABLE    = 0x03,
+	CMD_INVALID             = 0x05,
+	FLASH_UPDATE_FAIL       = 0x07,
+	INVALID_FW              = 0x08,
+	INVALID_ARG             = 0x09,
+	CMD_NOT_SUPPORT         = 0x0A,
+	TRANSACTION_FAIL        = 0x0C,
+	PD_CMD_FAIL             = 0x0D,
+	UNDEF_ERROR             = 0x0F,
+	INVALID_RESP		= 0x10,
+};
+
+static const char * const ccg_resp_strs[] = {
+	/* 0x00 */ "No Response.",
+	/* 0x01 */ "0x01",
+	/* 0x02 */ "HPI Command Success.",
+	/* 0x03 */ "Flash Data Available in data memory.",
+	/* 0x04 */ "0x04",
+	/* 0x05 */ "Invalid Command.",
+	/* 0x06 */ "0x06",
+	/* 0x07 */ "Flash write operation failed.",
+	/* 0x08 */ "Firmware validity check failed.",
+	/* 0x09 */ "Command failed due to invalid arguments.",
+	/* 0x0A */ "Command not supported in the current mode.",
+	/* 0x0B */ "0x0B",
+	/* 0x0C */ "Transaction Failed. GOOD_CRC was not received.",
+	/* 0x0D */ "PD Command Failed.",
+	/* 0x0E */ "0x0E",
+	/* 0x0F */ "Undefined Error",
+};
+
+static const char * const ccg_evt_strs[] = {
+	/* 0x80 */ "Reset Complete.",
+	/* 0x81 */ "Message queue overflow detected.",
+	/* 0x82 */ "Overcurrent Detected",
+	/* 0x83 */ "Overvoltage Detected",
+	/* 0x84 */ "Type-C Port Connect Detected",
+	/* 0x85 */ "Type-C Port Disconnect Detected",
+	/* 0x86 */ "PD Contract Negotiation Complete",
+	/* 0x87 */ "SWAP Complete",
+	/* 0x88 */ "0x88",
+	/* 0x89 */ "0x89",
+	/* 0x8A */ "PS_RDY Message Received",
+	/* 0x8B */ "GotoMin Message Received.",
+	/* 0x8C */ "Accept Message Received",
+	/* 0x8D */ "Reject Message Received",
+	/* 0x8E */ "Wait Message Received",
+	/* 0x8F */ "Hard Reset Received",
+	/* 0x90 */ "VDM Received",
+	/* 0x91 */ "Source Capabilities Message Received",
+	/* 0x92 */ "Sink Capabilities Message Received",
+	/* 0x93 */ "Display Port Alternate Mode entered",
+	/* 0x94 */ "Display Port device connected at UFP_U",
+	/* 0x95 */ "Display port device not connected at UFP_U",
+	/* 0x96 */ "Display port SID not found in Discover SID process",
+	/* 0x97 */ "Multiple SVIDs discovered along with DisplayPort SID",
+	/* 0x98 */ "DP Functionality not supported by Cable",
+	/* 0x99 */ "Display Port Configuration not supported by UFP",
+	/* 0x9A */ "Hard Reset Sent to Port Partner",
+	/* 0x9B */ "Soft Reset Sent to Port Partner",
+	/* 0x9C */ "Cable Reset Sent to EMCA",
+	/* 0x9D */ "Source Disabled State Entered",
+	/* 0x9E */ "Sender Response Timer Timeout",
+	/* 0x9F */ "No VDM Response Received",
+	/* 0xA0 */ "Unexpected Voltage on Vbus",
+	/* 0xA1 */ "Type-C Error Recovery",
+	/* 0xA2 */ "0xA2",
+	/* 0xA3 */ "0xA3",
+	/* 0xA4 */ "0xA4",
+	/* 0xA5 */ "0xA5",
+	/* 0xA6 */ "EMCA Detected",
+	/* 0xA7 */ "0xA7",
+	/* 0xA8 */ "0xA8",
+	/* 0xA9 */ "0xA9",
+	/* 0xAA */ "Rp Change Detected",
+};