1 /** 2 * tpci200.h 3 * 4 * driver for the carrier TEWS TPCI-200 5 * 6 * Copyright (C) 2009-2012 CERN (www.cern.ch) 7 * Author: Nicolas Serafini, EIC2 SA 8 * Author: Samuel Iglesias Gonsalvez <siglesias@igalia.com> 9 * 10 * This program is free software; you can redistribute it and/or modify it 11 * under the terms of the GNU General Public License as published by the Free 12 * Software Foundation; version 2 of the License. 13 */ 14 15 #ifndef _TPCI200_H_ 16 #define _TPCI200_H_ 17 18 #include <linux/limits.h> 19 #include <linux/pci.h> 20 #include <linux/spinlock.h> 21 #include <linux/swab.h> 22 #include <linux/io.h> 23 #include <linux/ipack.h> 24 25 #define TPCI200_NB_SLOT 0x4 26 #define TPCI200_NB_BAR 0x6 27 28 #define TPCI200_VENDOR_ID 0x1498 29 #define TPCI200_DEVICE_ID 0x30C8 30 #define TPCI200_SUBVENDOR_ID 0x1498 31 #define TPCI200_SUBDEVICE_ID 0x300A 32 33 #define TPCI200_CFG_MEM_BAR 0 34 #define TPCI200_IP_INTERFACE_BAR 2 35 #define TPCI200_IO_ID_INT_SPACES_BAR 3 36 #define TPCI200_MEM16_SPACE_BAR 4 37 #define TPCI200_MEM8_SPACE_BAR 5 38 39 struct tpci200_regs { 40 __le16 revision; 41 /* writes to control should occur with the mutex held to protect 42 * read-modify-write operations */ 43 __le16 control[4]; 44 __le16 reset; 45 __le16 status; 46 u8 reserved[242]; 47 } __packed; 48 49 #define TPCI200_IFACE_SIZE 0x100 50 51 #define TPCI200_IO_SPACE_OFF 0x0000 52 #define TPCI200_IO_SPACE_INTERVAL 0x0100 53 #define TPCI200_IO_SPACE_SIZE 0x0080 54 #define TPCI200_ID_SPACE_OFF 0x0080 55 #define TPCI200_ID_SPACE_INTERVAL 0x0100 56 #define TPCI200_ID_SPACE_SIZE 0x0040 57 #define TPCI200_INT_SPACE_OFF 0x00C0 58 #define TPCI200_INT_SPACE_INTERVAL 0x0100 59 #define TPCI200_INT_SPACE_SIZE 0x0040 60 #define TPCI200_IOIDINT_SIZE 0x0400 61 62 #define TPCI200_MEM8_SPACE_INTERVAL 0x00400000 63 #define TPCI200_MEM8_SPACE_SIZE 0x00400000 64 #define TPCI200_MEM16_SPACE_INTERVAL 0x00800000 65 #define TPCI200_MEM16_SPACE_SIZE 0x00800000 66 67 /* control field in tpci200_regs */ 68 #define TPCI200_INT0_EN 0x0040 69 #define TPCI200_INT1_EN 0x0080 70 #define TPCI200_INT0_EDGE 0x0010 71 #define TPCI200_INT1_EDGE 0x0020 72 #define TPCI200_ERR_INT_EN 0x0008 73 #define TPCI200_TIME_INT_EN 0x0004 74 #define TPCI200_RECOVER_EN 0x0002 75 #define TPCI200_CLK32 0x0001 76 77 /* reset field in tpci200_regs */ 78 #define TPCI200_A_RESET 0x0001 79 #define TPCI200_B_RESET 0x0002 80 #define TPCI200_C_RESET 0x0004 81 #define TPCI200_D_RESET 0x0008 82 83 /* status field in tpci200_regs */ 84 #define TPCI200_A_TIMEOUT 0x1000 85 #define TPCI200_B_TIMEOUT 0x2000 86 #define TPCI200_C_TIMEOUT 0x4000 87 #define TPCI200_D_TIMEOUT 0x8000 88 89 #define TPCI200_A_ERROR 0x0100 90 #define TPCI200_B_ERROR 0x0200 91 #define TPCI200_C_ERROR 0x0400 92 #define TPCI200_D_ERROR 0x0800 93 94 #define TPCI200_A_INT0 0x0001 95 #define TPCI200_A_INT1 0x0002 96 #define TPCI200_B_INT0 0x0004 97 #define TPCI200_B_INT1 0x0008 98 #define TPCI200_C_INT0 0x0010 99 #define TPCI200_C_INT1 0x0020 100 #define TPCI200_D_INT0 0x0040 101 #define TPCI200_D_INT1 0x0080 102 103 #define TPCI200_SLOT_INT_MASK 0x00FF 104 105 /* PCI Configuration registers. The PCI bridge is a PLX Technology PCI9030. */ 106 #define LAS1_DESC 0x2C 107 #define LAS2_DESC 0x30 108 109 /* Bits in the LAS?_DESC registers */ 110 #define LAS_BIT_BIGENDIAN 24 111 112 #define VME_IOID_SPACE "IOID" 113 #define VME_MEM_SPACE "MEM" 114 115 /** 116 * struct slot_irq - slot IRQ definition. 117 * @vector Vector number 118 * @handler Handler called when IRQ arrives 119 * @arg Handler argument 120 * 121 */ 122 struct slot_irq { 123 struct ipack_device *holder; 124 int vector; 125 irqreturn_t (*handler)(void *); 126 void *arg; 127 }; 128 129 /** 130 * struct tpci200_slot - data specific to the tpci200 slot. 131 * @slot_id Slot identification gived to external interface 132 * @irq Slot IRQ infos 133 * @io_phys IO physical base address register of the slot 134 * @id_phys ID physical base address register of the slot 135 * @int_phys INT physical base address register of the slot 136 * @mem_phys MEM physical base address register of the slot 137 * 138 */ 139 struct tpci200_slot { 140 struct slot_irq *irq; 141 }; 142 143 /** 144 * struct tpci200_infos - informations specific of the TPCI200 tpci200. 145 * @pci_dev PCI device 146 * @interface_regs Pointer to IP interface space (Bar 2) 147 * @ioidint_space Pointer to IP ID, IO and INT space (Bar 3) 148 * @mem8_space Pointer to MEM space (Bar 4) 149 * 150 */ 151 struct tpci200_infos { 152 struct pci_dev *pdev; 153 struct pci_device_id *id_table; 154 struct tpci200_regs __iomem *interface_regs; 155 void __iomem *cfg_regs; 156 struct ipack_bus_device *ipack_bus; 157 }; 158 struct tpci200_board { 159 unsigned int number; 160 struct mutex mutex; 161 spinlock_t regs_lock; 162 struct tpci200_slot *slots; 163 struct tpci200_infos *info; 164 phys_addr_t mod_mem[IPACK_SPACE_COUNT]; 165 }; 166 167 #endif /* _TPCI200_H_ */ 168