drivers/media/pci/mgb4/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_MGB4_BAR_ID  0
  22 #define MGB4_XDMA_BAR_ID  1
  23
  24 #define MGB4_IS_GMSL(mgbdev) \
  25         ((mgbdev)->module_version >> 4 == 2)
  26 #define MGB4_IS_FPDL3(mgbdev) \
  27         ((mgbdev)->module_version >> 4 == 1)
  28
  29 struct mgb4_dma_channel {
  30         struct dma_chan *chan;
  31         struct completion req_compl;
  32 };
  33
  34 struct mgb4_dev {
  35         struct pci_dev *pdev;
  36         struct platform_device *xdev;
  37         struct mgb4_vin_dev *vin[MGB4_VIN_DEVICES];
  38         struct mgb4_vout_dev *vout[MGB4_VOUT_DEVICES];
  39
  40         struct mgb4_dma_channel c2h_chan[MGB4_VIN_DEVICES];
  41         struct mgb4_dma_channel h2c_chan[MGB4_VOUT_DEVICES];
  42         struct dma_slave_map slave_map[MGB4_VIN_DEVICES + MGB4_VOUT_DEVICES];
  43
  44         struct mgb4_regs video;
  45         struct mgb4_regs cmt;
  46
  47         struct clk_hw *i2c_clk;
  48         struct clk_lookup *i2c_cl;
  49         struct platform_device *i2c_pdev;
  50         struct i2c_adapter *i2c_adap;
  51         struct mutex i2c_lock; /* I2C bus access lock */
  52
  53         struct platform_device *spi_pdev;
  54         struct flash_platform_data flash_data;
  55         struct mtd_partition partitions[2];
  56         char flash_name[16];
  57         char fw_part_name[16];
  58         char data_part_name[16];
  59         char channel_names[MGB4_VIN_DEVICES + MGB4_VOUT_DEVICES][16];
  60
  61         struct iio_dev *indio_dev;
  62 #if IS_REACHABLE(CONFIG_HWMON)
  63         struct device *hwmon_dev;
  64 #endif
  65
  66         unsigned long io_reconfig;
  67
  68         u8 module_version;
  69         u32 serial_number;
  70
  71         struct dentry *debugfs;
  72 };
  73
  74 #endif