4 * driver for the carrier TEWS TPCI-200
5 * Copyright (c) 2009 Nicolas Serafini, EIC2 SA
6 * Copyright (c) 2010,2011 Samuel Iglesias Gonsalvez <siglesia@cern.ch>, CERN
7 * Copyright (c) 2012 Samuel Iglesias Gonsalvez <siglesias@igalia.com>, Igalia
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the Free
11 * Software Foundation; version 2 of the License.
17 #include <linux/limits.h>
18 #include <linux/pci.h>
19 #include <linux/spinlock.h>
20 #include <linux/interrupt.h>
21 #include <linux/swab.h>
26 #define TPCI200_NB_SLOT 0x4
27 #define TPCI200_NB_BAR 0x6
29 #define TPCI200_VENDOR_ID 0x1498
30 #define TPCI200_DEVICE_ID 0x30C8
31 #define TPCI200_SUBVENDOR_ID 0x1498
32 #define TPCI200_SUBDEVICE_ID 0x300A
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
42 /* writes to control should occur with the mutex held to protect
43 * read-modify-write operations */
50 #define TPCI200_IFACE_SIZE 0x100
52 #define TPCI200_IO_SPACE_OFF 0x0000
53 #define TPCI200_IO_SPACE_GAP 0x0100
54 #define TPCI200_IO_SPACE_SIZE 0x0080
55 #define TPCI200_ID_SPACE_OFF 0x0080
56 #define TPCI200_ID_SPACE_GAP 0x0100
57 #define TPCI200_ID_SPACE_SIZE 0x0040
58 #define TPCI200_INT_SPACE_OFF 0x00C0
59 #define TPCI200_INT_SPACE_GAP 0x0100
60 #define TPCI200_INT_SPACE_SIZE 0x0040
61 #define TPCI200_IOIDINT_SIZE 0x0400
63 #define TPCI200_MEM8_GAP 0x00400000
64 #define TPCI200_MEM8_SIZE 0x00400000
65 #define TPCI200_MEM16_GAP 0x00800000
66 #define TPCI200_MEM16_SIZE 0x00800000
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
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
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
90 #define TPCI200_A_ERROR 0x0100
91 #define TPCI200_B_ERROR 0x0200
92 #define TPCI200_C_ERROR 0x0400
93 #define TPCI200_D_ERROR 0x0800
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
104 #define TPCI200_SLOT_INT_MASK 0x00FF
106 /* PCI Configuration registers. The PCI bridge is a PLX Technology PCI9030. */
107 #define LAS1_DESC 0x2C
108 #define LAS2_DESC 0x30
110 /* Bits in the LAS?_DESC registers */
111 #define LAS_BIT_BIGENDIAN 24
113 #define VME_IOID_SPACE "IOID"
114 #define VME_MEM_SPACE "MEM"
117 * struct slot_irq - slot IRQ definition.
118 * @vector Vector number
119 * @handler Handler called when IRQ arrives
120 * @arg Handler argument
125 int (*handler)(void *);
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 * @mem_phys MEM physical base address register of the slot
138 struct tpci200_slot {
139 struct ipack_device *dev;
140 struct slot_irq *irq;
141 struct ipack_addr_space io_phys;
142 struct ipack_addr_space id_phys;
143 struct ipack_addr_space mem_phys;
147 * struct tpci200_infos - informations specific of the TPCI200 tpci200.
148 * @pci_dev PCI device
149 * @interface_regs Pointer to IP interface space (Bar 2)
150 * @ioidint_space Pointer to IP ID, IO and INT space (Bar 3)
151 * @mem8_space Pointer to MEM space (Bar 4)
154 struct tpci200_infos {
155 struct pci_dev *pdev;
156 struct pci_device_id *id_table;
157 struct tpci200_regs __iomem *interface_regs;
158 void __iomem *ioidint_space;
159 void __iomem *mem8_space;
160 void __iomem *cfg_regs;
161 struct ipack_bus_device *ipack_bus;
163 struct tpci200_board {
166 struct tpci200_slot *slots;
167 struct tpci200_infos *info;
170 #endif /* _TPCI200_H_ */