summaryrefslogtreecommitdiff
path: root/drivers/pci/hotplug/rpaphp.h
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/pci/hotplug/rpaphp.h
Initial import
Diffstat (limited to 'drivers/pci/hotplug/rpaphp.h')
-rw-r--r--drivers/pci/hotplug/rpaphp.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/rpaphp.h b/drivers/pci/hotplug/rpaphp.h
new file mode 100644
index 000000000..b2593e876
--- /dev/null
+++ b/drivers/pci/hotplug/rpaphp.h
@@ -0,0 +1,103 @@
+/*
+ * PCI Hot Plug Controller Driver for RPA-compliant PPC64 platform.
+ *
+ * Copyright (C) 2003 Linda Xie <lxie@us.ibm.com>
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Send feedback to <lxie@us.ibm.com>,
+ *
+ */
+
+#ifndef _PPC64PHP_H
+#define _PPC64PHP_H
+
+#include <linux/pci.h>
+#include <linux/pci_hotplug.h>
+
+#define DR_INDICATOR 9002
+#define DR_ENTITY_SENSE 9003
+
+#define POWER_ON 100
+#define POWER_OFF 0
+
+#define LED_OFF 0
+#define LED_ON 1 /* continuous on */
+#define LED_ID 2 /* slow blinking */
+#define LED_ACTION 3 /* fast blinking */
+
+/* Sensor values from rtas_get-sensor */
+#define EMPTY 0 /* No card in slot */
+#define PRESENT 1 /* Card in slot */
+
+#define MY_NAME "rpaphp"
+extern bool rpaphp_debug;
+#define dbg(format, arg...) \
+ do { \
+ if (rpaphp_debug) \
+ printk(KERN_DEBUG "%s: " format, \
+ MY_NAME , ## arg); \
+ } while (0)
+#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
+
+/* slot states */
+
+#define NOT_VALID 3
+#define NOT_CONFIGURED 2
+#define CONFIGURED 1
+#define EMPTY 0
+
+/*
+ * struct slot - slot information for each *physical* slot
+ */
+struct slot {
+ struct list_head rpaphp_slot_list;
+ int state;
+ u32 index;
+ u32 type;
+ u32 power_domain;
+ char *name;
+ struct device_node *dn;
+ struct pci_bus *bus;
+ struct list_head *pci_devs;
+ struct hotplug_slot *hotplug_slot;
+};
+
+extern struct hotplug_slot_ops rpaphp_hotplug_slot_ops;
+extern struct list_head rpaphp_slot_head;
+
+/* function prototypes */
+
+/* rpaphp_pci.c */
+int rpaphp_enable_slot(struct slot *slot);
+int rpaphp_get_sensor_state(struct slot *slot, int *state);
+
+/* rpaphp_core.c */
+int rpaphp_add_slot(struct device_node *dn);
+int rpaphp_get_drc_props(struct device_node *dn, int *drc_index,
+ char **drc_name, char **drc_type, int *drc_power_domain);
+
+/* rpaphp_slot.c */
+void dealloc_slot_struct(struct slot *slot);
+struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain);
+int rpaphp_register_slot(struct slot *slot);
+int rpaphp_deregister_slot(struct slot *slot);
+
+#endif /* _PPC64PHP_H */