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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /*******************************************************************************
- *
- * CTU CAN FD IP Core
- *
- * Copyright (C) 2015-2018 Ondrej Ille <[email protected]> FEE CTU
- * Copyright (C) 2018-2021 Ondrej Ille <[email protected]> self-funded
- * Copyright (C) 2018-2019 Martin Jerabek <[email protected]> FEE CTU
- * Copyright (C) 2018-2021 Pavel Pisa <[email protected]> FEE CTU/self-funded
- *
- * Project advisors:
- * Jiri Novak <[email protected]>
- * Pavel Pisa <[email protected]>
- *
- * Department of Measurement (http://meas.fel.cvut.cz/)
- * Faculty of Electrical Engineering (http://www.fel.cvut.cz)
- * Czech Technical University (http://www.cvut.cz/)
- ******************************************************************************/
- #ifndef __CTUCANFD__
- #define __CTUCANFD__
- #include <linux/netdevice.h>
- #include <linux/can/dev.h>
- #include <linux/list.h>
- enum ctu_can_fd_can_registers;
- struct ctucan_priv {
- struct can_priv can; /* must be first member! */
- void __iomem *mem_base;
- u32 (*read_reg)(struct ctucan_priv *priv,
- enum ctu_can_fd_can_registers reg);
- void (*write_reg)(struct ctucan_priv *priv,
- enum ctu_can_fd_can_registers reg, u32 val);
- unsigned int txb_head;
- unsigned int txb_tail;
- u32 txb_prio;
- unsigned int ntxbufs;
- spinlock_t tx_lock; /* spinlock to serialize allocation and processing of TX buffers */
- struct napi_struct napi;
- struct device *dev;
- struct clk *can_clk;
- int irq_flags;
- unsigned long drv_flags;
- u32 rxfrm_first_word;
- struct list_head peers_on_pdev;
- };
- /**
- * ctucan_probe_common - Device type independent registration call
- *
- * This function does all the memory allocation and registration for the CAN
- * device.
- *
- * @dev: Handle to the generic device structure
- * @addr: Base address of CTU CAN FD core address
- * @irq: Interrupt number
- * @ntxbufs: Number of implemented Tx buffers
- * @can_clk_rate: Clock rate, if 0 then clock are taken from device node
- * @pm_enable_call: Whether pm_runtime_enable should be called
- * @set_drvdata_fnc: Function to set network driver data for physical device
- *
- * Return: 0 on success and failure value on error
- */
- int ctucan_probe_common(struct device *dev, void __iomem *addr,
- int irq, unsigned int ntxbufs,
- unsigned long can_clk_rate,
- int pm_enable_call,
- void (*set_drvdata_fnc)(struct device *dev,
- struct net_device *ndev));
- int ctucan_suspend(struct device *dev) __maybe_unused;
- int ctucan_resume(struct device *dev) __maybe_unused;
- #endif /*__CTUCANFD__*/
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