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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/ipack/carriers/tpci200.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/ipack/carriers/tpci200.h')
-rw-r--r--drivers/ipack/carriers/tpci200.h162
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_ */