/* SPDX-License-Identifier: GPL-2.0 */ /* * softing common interfaces * * by Kurt Van Dijck, 2008-2010 */ #include <linux/atomic.h> #include <linux/netdevice.h> #include <linux/ktime.h> #include <linux/mutex.h> #include <linux/spinlock.h> #include <linux/can.h> #include <linux/can/dev.h> #include "softing_platform.h" struct softing; struct softing_priv { … }; #define netdev2softing(netdev) … struct softing { … }; int softing_default_output(struct net_device *netdev); ktime_t softing_raw2ktime(struct softing *card, u32 raw); int softing_chip_poweron(struct softing *card); int softing_bootloader_command(struct softing *card, int16_t cmd, const char *msg); /* Load firmware after reset */ int softing_load_fw(const char *file, struct softing *card, __iomem uint8_t *virt, unsigned int size, int offset); /* Load final application firmware after bootloader */ int softing_load_app_fw(const char *file, struct softing *card); /* * enable or disable irq * only called with fw.lock locked */ int softing_enable_irq(struct softing *card, int enable); /* start/stop 1 bus on card */ int softing_startstop(struct net_device *netdev, int up); /* netif_rx() */ int softing_netdev_rx(struct net_device *netdev, const struct can_frame *msg, ktime_t ktime); /* SOFTING DPRAM mappings */ #define DPRAM_RX … #define DPRAM_RX_SIZE … #define DPRAM_RX_CNT … #define DPRAM_RX_RD … #define DPRAM_RX_WR … #define DPRAM_RX_LOST … #define DPRAM_FCT_PARAM … #define DPRAM_FCT_RESULT … #define DPRAM_FCT_HOST … #define DPRAM_INFO_BUSSTATE … #define DPRAM_INFO_BUSSTATE2 … #define DPRAM_INFO_ERRSTATE … #define DPRAM_INFO_ERRSTATE2 … #define DPRAM_RESET … #define DPRAM_CLR_RECV_FIFO … #define DPRAM_RESET_TIME … #define DPRAM_TIME … #define DPRAM_WR_START … #define DPRAM_WR_END … #define DPRAM_RESET_RX_FIFO … #define DPRAM_RESET_TX_FIFO … #define DPRAM_READ_FIFO_LEVEL … #define DPRAM_RX_FIFO_LEVEL … #define DPRAM_TX_FIFO_LEVEL … #define DPRAM_TX … #define DPRAM_TX_SIZE … #define DPRAM_TX_CNT … #define DPRAM_TX_RD … #define DPRAM_TX_WR … #define DPRAM_COMMAND … #define DPRAM_RECEIPT … #define DPRAM_IRQ_TOHOST … #define DPRAM_IRQ_TOCARD … #define DPRAM_V2_RESET … #define DPRAM_V2_IRQ_TOHOST … #define TXMAX … /* DPRAM return codes */ #define RES_NONE … #define RES_OK … #define RES_NOK … #define RES_UNKNOWN … /* DPRAM flags */ #define CMD_TX … #define CMD_ACK … #define CMD_XTD … #define CMD_RTR … #define CMD_ERR … #define CMD_BUS2 … /* returned fifo entry bus state masks */ #define SF_MASK_BUSOFF … #define SF_MASK_EPASSIVE … /* bus states */ #define STATE_BUSOFF … #define STATE_EPASSIVE … #define STATE_EACTIVE …
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