/* 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