mgb4_core.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2021-2023 Digiteq Automotive
 4 *     author: Martin Tuma <martin.tuma@digiteqautomotive.com>
 5 */
 6
 7#ifndef __MGB4_CORE_H__
 8#define __MGB4_CORE_H__
 9
10#include <linux/spi/flash.h>
11#include <linux/mtd/partitions.h>
12#include <linux/mutex.h>
13#include <linux/dmaengine.h>
14#include "mgb4_regs.h"
15
16#define MGB4_HW_FREQ 125000000
17
18#define MGB4_VIN_DEVICES  2
19#define MGB4_VOUT_DEVICES 2
20
21#define MGB4_IS_GMSL(mgbdev) \
22	((((mgbdev)->module_version >> 4) >= 2) && \
23	 (((mgbdev)->module_version >> 4) <= 4))
24#define MGB4_IS_FPDL3(mgbdev) \
25	(((mgbdev)->module_version >> 4) == 1)
26#define MGB4_HAS_VOUT(mgbdev) \
27	((((mgbdev)->module_version >> 4) >= 1) && \
28	 (((mgbdev)->module_version >> 4) <= 3))
29
30struct mgb4_dma_channel {
31	struct dma_chan *chan;
32	struct completion req_compl;
33};
34
35struct mgb4_dev {
36	struct pci_dev *pdev;
37	struct platform_device *xdev;
38	struct mgb4_vin_dev *vin[MGB4_VIN_DEVICES];
39	struct mgb4_vout_dev *vout[MGB4_VOUT_DEVICES];
40
41	struct mgb4_dma_channel c2h_chan[MGB4_VIN_DEVICES];
42	struct mgb4_dma_channel h2c_chan[MGB4_VOUT_DEVICES];
43	struct dma_slave_map slave_map[MGB4_VIN_DEVICES + MGB4_VOUT_DEVICES];
44
45	struct mgb4_regs video;
46	struct mgb4_regs cmt;
47
48	struct clk_hw *i2c_clk;
49	struct clk_lookup *i2c_cl;
50	struct platform_device *i2c_pdev;
51	struct i2c_adapter *i2c_adap;
52	struct mutex i2c_lock; /* I2C bus access lock */
53
54	struct platform_device *spi_pdev;
55	struct flash_platform_data flash_data;
56	struct mtd_partition partitions[2];
57	char flash_name[16];
58	char fw_part_name[16];
59	char data_part_name[16];
60	char channel_names[MGB4_VIN_DEVICES + MGB4_VOUT_DEVICES][16];
61
62	struct iio_dev *indio_dev;
63#if IS_REACHABLE(CONFIG_HWMON)
64	struct device *hwmon_dev;
65#endif
66
67	unsigned long io_reconfig;
68
69	u8 module_version;
70	u32 serial_number;
71
72	struct dentry *debugfs;
73};
74
75#endif