/*
 *  Bluetooth supports for Qualcomm Atheros ROME chips
 *
 *  Copyright (c) 2015 The Linux Foundation. All rights reserved.
 *
 *  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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#define EDL_PATCH_CMD_OPCODE		(0xFC00)
#define EDL_NVM_ACCESS_OPCODE		(0xFC0B)
#define EDL_PATCH_CMD_LEN		(1)
#define EDL_PATCH_VER_REQ_CMD		(0x19)
#define EDL_PATCH_TLV_REQ_CMD		(0x1E)
#define EDL_NVM_ACCESS_SET_REQ_CMD	(0x01)
#define MAX_SIZE_PER_TLV_SEGMENT	(243)

#define EDL_CMD_REQ_RES_EVT		(0x00)
#define EDL_PATCH_VER_RES_EVT		(0x19)
#define EDL_APP_VER_RES_EVT		(0x02)
#define EDL_TVL_DNLD_RES_EVT		(0x04)
#define EDL_CMD_EXE_STATUS_EVT		(0x00)
#define EDL_SET_BAUDRATE_RSP_EVT	(0x92)
#define EDL_NVM_ACCESS_CODE_EVT		(0x0B)

#define EDL_TAG_ID_HCI			(17)
#define EDL_TAG_ID_DEEP_SLEEP		(27)

#define QCA_WCN3990_POWERON_PULSE	0xFC
#define QCA_WCN3990_POWEROFF_PULSE	0xC0

enum qca_bardrate {
	QCA_BAUDRATE_115200 	= 0,
	QCA_BAUDRATE_57600,
	QCA_BAUDRATE_38400,
	QCA_BAUDRATE_19200,
	QCA_BAUDRATE_9600,
	QCA_BAUDRATE_230400,
	QCA_BAUDRATE_250000,
	QCA_BAUDRATE_460800,
	QCA_BAUDRATE_500000,
	QCA_BAUDRATE_720000,
	QCA_BAUDRATE_921600,
	QCA_BAUDRATE_1000000,
	QCA_BAUDRATE_1250000,
	QCA_BAUDRATE_2000000,
	QCA_BAUDRATE_3000000,
	QCA_BAUDRATE_4000000,
	QCA_BAUDRATE_1600000,
	QCA_BAUDRATE_3200000,
	QCA_BAUDRATE_3500000,
	QCA_BAUDRATE_AUTO 	= 0xFE,
	QCA_BAUDRATE_RESERVED
};

enum rome_tlv_dnld_mode {
	ROME_SKIP_EVT_NONE,
	ROME_SKIP_EVT_VSE,
	ROME_SKIP_EVT_CC,
	ROME_SKIP_EVT_VSE_CC
};

enum rome_tlv_type {
	TLV_TYPE_PATCH = 1,
	TLV_TYPE_NVM
};

struct rome_config {
	u8 type;
	char fwname[64];
	uint8_t user_baud_rate;
	enum rome_tlv_dnld_mode dnld_mode;
};

struct edl_event_hdr {
	__u8 cresp;
	__u8 rtype;
	__u8 data[0];
} __packed;

struct rome_version {
	__le32 product_id;
	__le16 patch_ver;
	__le16 rome_ver;
	__le32 soc_id;
} __packed;

struct tlv_seg_resp {
	__u8 result;
} __packed;

struct tlv_type_patch {
	__le32 total_size;
	__le32 data_length;
	__u8   format_version;
	__u8   signature;
	__u8   download_mode;
	__u8   reserved1;
	__le16 product_id;
	__le16 rom_build;
	__le16 patch_version;
	__le16 reserved2;
	__le32 entry;
} __packed;

struct tlv_type_nvm {
	__le16 tag_id;
	__le16 tag_len;
	__le32 reserve1;
	__le32 reserve2;
	__u8   data[0];
} __packed;

struct tlv_type_hdr {
	__le32 type_len;
	__u8   data[0];
} __packed;

enum qca_btsoc_type {
	QCA_INVALID = -1,
	QCA_AR3002,
	QCA_ROME,
	QCA_WCN3990
};

#if IS_ENABLED(CONFIG_BT_QCA)

int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
		   enum qca_btsoc_type soc_type, u32 soc_ver);
int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);

#else

static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
	return -EOPNOTSUPP;
}

static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
				 enum qca_btsoc_type soc_type, u32 soc_ver)
{
	return -EOPNOTSUPP;
}

static inline int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version)
{
	return -EOPNOTSUPP;
}

#endif