/* SPDX-License-Identifier: GPL-2.0+ */
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#ifndef KP2000_PCIE_H
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#define KP2000_PCIE_H
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#include <linux/types.h>
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#include <linux/pci.h>
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#include "../kpc.h"
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#include "dma_common_defs.h"
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/* System Register Map (BAR 1, Start Addr 0)
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*
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* BAR Size:
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* 1048576 (0x100000) bytes = 131072 (0x20000) registers = 256 pages (4K)
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*
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* 6 5 4 3 2 1 0
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* 3210987654321098765432109876543210987654321098765432109876543210
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* 0 <--------------------------- MAGIC ---------------------------->
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* 1 <----------- Card ID ---------><----------- Revision ---------->
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* 2 <--------- Date Stamp --------><--------- Time Stamp ---------->
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* 3 <-------- Core Tbl Len -------><-------- Core Tbl Offset ------>
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* 4 <---------------------------- SSID ---------------------------->
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* 5 < HWID >
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* 6 <------------------------- FPGA DDNA -------------------------->
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* 7 <------------------------ CPLD Config ------------------------->
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* 8 <----------------------- IRQ Mask Flags ----------------------->
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* 9 <---------------------- IRQ Active Flags ---------------------->
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*/
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#define REG_WIDTH 8
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#define REG_MAGIC_NUMBER (0 * REG_WIDTH)
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#define REG_CARD_ID_AND_BUILD (1 * REG_WIDTH)
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#define REG_DATE_AND_TIME_STAMPS (2 * REG_WIDTH)
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#define REG_CORE_TABLE_OFFSET (3 * REG_WIDTH)
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#define REG_FPGA_SSID (4 * REG_WIDTH)
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#define REG_FPGA_HW_ID (5 * REG_WIDTH)
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#define REG_FPGA_DDNA (6 * REG_WIDTH)
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#define REG_CPLD_CONFIG (7 * REG_WIDTH)
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#define REG_INTERRUPT_MASK (8 * REG_WIDTH)
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#define REG_INTERRUPT_ACTIVE (9 * REG_WIDTH)
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#define REG_PCIE_ERROR_COUNT (10 * REG_WIDTH)
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#define KP2000_MAGIC_VALUE 0x196C61482231894DULL
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#define PCI_VENDOR_ID_DAKTRONICS 0x1c33
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#define PCI_DEVICE_ID_DAKTRONICS 0x6021
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#define DMA_BAR 0
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#define REG_BAR 1
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struct kp2000_device {
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struct pci_dev *pdev;
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char name[16];
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unsigned int card_num;
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struct mutex sem;
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void __iomem *sysinfo_regs_base;
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void __iomem *regs_bar_base;
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struct resource regs_base_resource;
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void __iomem *dma_bar_base;
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void __iomem *dma_common_regs;
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struct resource dma_base_resource;
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// "System Registers"
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u32 card_id;
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u32 build_version;
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u32 build_datestamp;
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u32 build_timestamp;
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u32 core_table_offset;
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u32 core_table_length;
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u8 core_table_rev;
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u8 hardware_revision;
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u64 ssid;
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u64 ddna;
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// IRQ stuff
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unsigned int irq;
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struct list_head uio_devices_list;
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};
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extern struct class *kpc_uio_class;
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extern struct attribute *kpc_uio_class_attrs[];
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int kp2000_probe_cores(struct kp2000_device *pcard);
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void kp2000_remove_cores(struct kp2000_device *pcard);
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// Define this quick little macro because the expression is used frequently
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#define PCARD_TO_DEV(pcard) (&(pcard->pdev->dev))
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#endif /* KP2000_PCIE_H */
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