1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* CAN bus driver for Bosch M_CAN controller
3 * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
9 #include <linux/can/core.h>
10 #include <linux/can/led.h>
11 #include <linux/can/rx-offload.h>
12 #include <linux/completion.h>
13 #include <linux/device.h>
14 #include <linux/dma-mapping.h>
15 #include <linux/freezer.h>
16 #include <linux/slab.h>
17 #include <linux/uaccess.h>
18 #include <linux/clk.h>
19 #include <linux/delay.h>
20 #include <linux/interrupt.h>
22 #include <linux/kernel.h>
23 #include <linux/module.h>
24 #include <linux/netdevice.h>
26 #include <linux/of_device.h>
27 #include <linux/pm_runtime.h>
28 #include <linux/iopoll.h>
29 #include <linux/can/dev.h>
30 #include <linux/pinctrl/consumer.h>
31 #include <linux/phy/phy.h>
33 /* m_can lec values */
56 /* address offset and element number for each FIFO/Buffer in the Message RAM */
62 struct m_can_classdev;
64 /* Device specific call backs */
65 int (*clear_interrupts)(struct m_can_classdev *cdev);
66 u32 (*read_reg)(struct m_can_classdev *cdev, int reg);
67 int (*write_reg)(struct m_can_classdev *cdev, int reg, int val);
68 int (*read_fifo)(struct m_can_classdev *cdev, int addr_offset, void *val, size_t val_count);
69 int (*write_fifo)(struct m_can_classdev *cdev, int addr_offset,
70 const void *val, size_t val_count);
71 int (*init)(struct m_can_classdev *cdev);
74 struct m_can_classdev {
76 struct can_rx_offload offload;
77 struct napi_struct napi;
78 struct net_device *net;
83 struct workqueue_struct *tx_wq;
84 struct work_struct tx_work;
85 struct sk_buff *tx_skb;
86 struct phy *transceiver;
88 struct m_can_ops *ops;
96 struct mram_cfg mcfg[MRAM_CFG_NUM];
99 struct m_can_classdev *m_can_class_allocate_dev(struct device *dev, int sizeof_priv);
100 void m_can_class_free_dev(struct net_device *net);
101 int m_can_class_register(struct m_can_classdev *cdev);
102 void m_can_class_unregister(struct m_can_classdev *cdev);
103 int m_can_class_get_clocks(struct m_can_classdev *cdev);
104 int m_can_init_ram(struct m_can_classdev *priv);
106 int m_can_class_suspend(struct device *dev);
107 int m_can_class_resume(struct device *dev);
108 #endif /* _CAN_M_H_ */