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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Marvell NFC driver: Firmware downloader
*
* Copyright (C) 2015, Marvell International Ltd.
*/
#ifndef __NFCMRVL_FW_DNLD_H__
#define __NFCMRVL_FW_DNLD_H__
#include <linux/workqueue.h>
#define NFCMRVL_FW_MAGIC 0x88888888
#define NCI_OP_PROP_BOOT_CMD 0x3A
#define NCI_CORE_LC_PROP_FW_DL 0xFD
#define NCI_CORE_LC_CONNID_PROP_FW_DL 0x02
#define HELPER_CMD_ENTRY_POINT 0x04
#define HELPER_CMD_PACKET_FORMAT 0xA5
#define HELPER_ACK_PACKET_FORMAT 0x5A
#define HELPER_RETRY_REQUESTED (1 << 15)
struct nfcmrvl_private;
struct nfcmrvl_fw_uart_config {
uint8_t flow_control;
uint32_t baudrate;
} __packed;
struct nfcmrvl_fw_i2c_config {
uint32_t clk;
} __packed;
struct nfcmrvl_fw_spi_config {
uint32_t clk;
} __packed;
struct nfcmrvl_fw_binary_config {
uint32_t offset;
union {
void *config;
struct nfcmrvl_fw_uart_config uart;
struct nfcmrvl_fw_i2c_config i2c;
struct nfcmrvl_fw_spi_config spi;
uint8_t reserved[64];
};
} __packed;
struct nfcmrvl_fw {
uint32_t magic;
uint32_t ref_clock;
uint32_t phy;
struct nfcmrvl_fw_binary_config bootrom;
struct nfcmrvl_fw_binary_config helper;
struct nfcmrvl_fw_binary_config firmware;
uint8_t reserved[64];
} __packed;
struct nfcmrvl_fw_dnld {
char name[NFC_FIRMWARE_NAME_MAXSIZE + 1];
const struct firmware *fw;
const struct nfcmrvl_fw *header;
const struct nfcmrvl_fw_binary_config *binary_config;
int state;
int substate;
int offset;
int chunk_len;
struct workqueue_struct *rx_wq;
struct work_struct rx_work;
struct sk_buff_head rx_q;
struct timer_list timer;
};
int nfcmrvl_fw_dnld_init(struct nfcmrvl_private *priv);
void nfcmrvl_fw_dnld_deinit(struct nfcmrvl_private *priv);
void nfcmrvl_fw_dnld_abort(struct nfcmrvl_private *priv);
int nfcmrvl_fw_dnld_start(struct nci_dev *ndev, const char *firmware_name);
void nfcmrvl_fw_dnld_recv_frame(struct nfcmrvl_private *priv,
struct sk_buff *skb);
#endif
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