diff options
Diffstat (limited to 'drivers/ipack/carriers/tpci200.h')
| -rw-r--r-- | drivers/ipack/carriers/tpci200.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/drivers/ipack/carriers/tpci200.h b/drivers/ipack/carriers/tpci200.h new file mode 100644 index 0000000000..e79ac64abc --- /dev/null +++ b/drivers/ipack/carriers/tpci200.h @@ -0,0 +1,162 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * driver for the carrier TEWS TPCI-200 + * + * Copyright (C) 2009-2012 CERN (www.cern.ch) + * Author: Nicolas Serafini, EIC2 SA + * Author: Samuel Iglesias Gonsalvez <siglesias@igalia.com> + */ + +#ifndef _TPCI200_H_ +#define _TPCI200_H_ + +#include <linux/limits.h> +#include <linux/pci.h> +#include <linux/spinlock.h> +#include <linux/swab.h> +#include <linux/io.h> +#include <linux/ipack.h> + +#define TPCI200_NB_SLOT 0x4 +#define TPCI200_NB_BAR 0x6 + +#define TPCI200_VENDOR_ID 0x1498 +#define TPCI200_DEVICE_ID 0x30C8 +#define TPCI200_SUBVENDOR_ID 0x1498 +#define TPCI200_SUBDEVICE_ID 0x300A + +#define TPCI200_CFG_MEM_BAR 0 +#define TPCI200_IP_INTERFACE_BAR 2 +#define TPCI200_IO_ID_INT_SPACES_BAR 3 +#define TPCI200_MEM16_SPACE_BAR 4 +#define TPCI200_MEM8_SPACE_BAR 5 + +struct tpci200_regs { + __le16 revision; + /* writes to control should occur with the mutex held to protect + * read-modify-write operations */ + __le16 control[4]; + __le16 reset; + __le16 status; + u8 reserved[242]; +} __packed; + +#define TPCI200_IFACE_SIZE 0x100 + +#define TPCI200_IO_SPACE_OFF 0x0000 +#define TPCI200_IO_SPACE_INTERVAL 0x0100 +#define TPCI200_IO_SPACE_SIZE 0x0080 +#define TPCI200_ID_SPACE_OFF 0x0080 +#define TPCI200_ID_SPACE_INTERVAL 0x0100 +#define TPCI200_ID_SPACE_SIZE 0x0040 +#define TPCI200_INT_SPACE_OFF 0x00C0 +#define TPCI200_INT_SPACE_INTERVAL 0x0100 +#define TPCI200_INT_SPACE_SIZE 0x0040 +#define TPCI200_IOIDINT_SIZE 0x0400 + +#define TPCI200_MEM8_SPACE_INTERVAL 0x00400000 +#define TPCI200_MEM8_SPACE_SIZE 0x00400000 +#define TPCI200_MEM16_SPACE_INTERVAL 0x00800000 +#define TPCI200_MEM16_SPACE_SIZE 0x00800000 + +/* control field in tpci200_regs */ +#define TPCI200_INT0_EN 0x0040 +#define TPCI200_INT1_EN 0x0080 +#define TPCI200_INT0_EDGE 0x0010 +#define TPCI200_INT1_EDGE 0x0020 +#define TPCI200_ERR_INT_EN 0x0008 +#define TPCI200_TIME_INT_EN 0x0004 +#define TPCI200_RECOVER_EN 0x0002 +#define TPCI200_CLK32 0x0001 + +/* reset field in tpci200_regs */ +#define TPCI200_A_RESET 0x0001 +#define TPCI200_B_RESET 0x0002 +#define TPCI200_C_RESET 0x0004 +#define TPCI200_D_RESET 0x0008 + +/* status field in tpci200_regs */ +#define TPCI200_A_TIMEOUT 0x1000 +#define TPCI200_B_TIMEOUT 0x2000 +#define TPCI200_C_TIMEOUT 0x4000 +#define TPCI200_D_TIMEOUT 0x8000 + +#define TPCI200_A_ERROR 0x0100 +#define TPCI200_B_ERROR 0x0200 +#define TPCI200_C_ERROR 0x0400 +#define TPCI200_D_ERROR 0x0800 + +#define TPCI200_A_INT0 0x0001 +#define TPCI200_A_INT1 0x0002 +#define TPCI200_B_INT0 0x0004 +#define TPCI200_B_INT1 0x0008 +#define TPCI200_C_INT0 0x0010 +#define TPCI200_C_INT1 0x0020 +#define TPCI200_D_INT0 0x0040 +#define TPCI200_D_INT1 0x0080 + +#define TPCI200_SLOT_INT_MASK 0x00FF + +/* PCI Configuration registers. The PCI bridge is a PLX Technology PCI9030. */ +#define LAS1_DESC 0x2C +#define LAS2_DESC 0x30 + +/* Bits in the LAS?_DESC registers */ +#define LAS_BIT_BIGENDIAN 24 + +#define VME_IOID_SPACE "IOID" +#define VME_MEM_SPACE "MEM" + +/** + * struct slot_irq - slot IRQ definition. + * @vector Vector number + * @handler Handler called when IRQ arrives + * @arg Handler argument + * + */ +struct slot_irq { + struct ipack_device *holder; + int vector; + irqreturn_t (*handler)(void *); + void *arg; +}; + +/** + * struct tpci200_slot - data specific to the tpci200 slot. + * @slot_id Slot identification gived to external interface + * @irq Slot IRQ infos + * @io_phys IO physical base address register of the slot + * @id_phys ID physical base address register of the slot + * @int_phys INT physical base address register of the slot + * @mem_phys MEM physical base address register of the slot + * + */ +struct tpci200_slot { + struct slot_irq *irq; +}; + +/** + * struct tpci200_infos - informations specific of the TPCI200 tpci200. + * @pci_dev PCI device + * @interface_regs Pointer to IP interface space (Bar 2) + * @ioidint_space Pointer to IP ID, IO and INT space (Bar 3) + * @mem8_space Pointer to MEM space (Bar 4) + * + */ +struct tpci200_infos { + struct pci_dev *pdev; + struct pci_device_id *id_table; + struct tpci200_regs __iomem *interface_regs; + void __iomem *cfg_regs; + struct ipack_bus_device *ipack_bus; +}; +struct tpci200_board { + unsigned int number; + struct mutex mutex; + spinlock_t regs_lock; + struct tpci200_slot *slots; + struct tpci200_infos *info; + phys_addr_t mod_mem[IPACK_SPACE_COUNT]; +}; + +#endif /* _TPCI200_H_ */ |