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 #ifdef CONFIG_DEBUG_FS 72 struct dentry *debugfs; 73 #endif 74 }; 75 76 #endif 77