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_VIN_DEVICES 2 17 #define MGB4_VOUT_DEVICES 2 18 19 #define MGB4_MGB4_BAR_ID 0 20 #define MGB4_XDMA_BAR_ID 1 21 22 #define MGB4_IS_GMSL(mgbdev) \ 23 ((mgbdev)->module_version >> 4 == 2) 24 #define MGB4_IS_FPDL3(mgbdev) \ 25 ((mgbdev)->module_version >> 4 == 1) 26 27 struct mgb4_dma_channel { 28 struct dma_chan *chan; 29 struct completion req_compl; 30 }; 31 32 struct mgb4_dev { 33 struct pci_dev *pdev; 34 struct platform_device *xdev; 35 struct mgb4_vin_dev *vin[MGB4_VIN_DEVICES]; 36 struct mgb4_vout_dev *vout[MGB4_VOUT_DEVICES]; 37 38 struct mgb4_dma_channel c2h_chan[MGB4_VIN_DEVICES]; 39 struct mgb4_dma_channel h2c_chan[MGB4_VOUT_DEVICES]; 40 struct dma_slave_map slave_map[MGB4_VIN_DEVICES + MGB4_VOUT_DEVICES]; 41 42 struct mgb4_regs video; 43 struct mgb4_regs cmt; 44 45 struct clk_hw *i2c_clk; 46 struct clk_lookup *i2c_cl; 47 struct platform_device *i2c_pdev; 48 struct i2c_adapter *i2c_adap; 49 struct mutex i2c_lock; /* I2C bus access lock */ 50 51 struct platform_device *spi_pdev; 52 struct flash_platform_data flash_data; 53 struct mtd_partition partitions[2]; 54 char flash_name[16]; 55 char fw_part_name[16]; 56 char data_part_name[16]; 57 char channel_names[MGB4_VIN_DEVICES + MGB4_VOUT_DEVICES][16]; 58 59 struct iio_dev *indio_dev; 60 #if IS_REACHABLE(CONFIG_HWMON) 61 struct device *hwmon_dev; 62 #endif 63 64 unsigned long io_reconfig; 65 66 u8 module_version; 67 u32 serial_number; 68 69 #ifdef CONFIG_DEBUG_FS 70 struct dentry *debugfs; 71 #endif 72 }; 73 74 #endif 75