drivers/staging/ipack/carriers/tpci200.h

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