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authorMax Asbock <masbock@us.ibm.com>2005-06-21 17:16:34 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-21 19:07:35 -0700
commit278d72ae8803ffcd16070c95fe1d53f4466dc741 (patch)
tree6cee233065ff15a42dfa86b7b159c4b06bb01b3f /drivers/misc/ibmasm/ibmasm.h
parentb8acb808468a88a188d7c5aba3681c583a5785f9 (diff)
downloadop-kernel-dev-278d72ae8803ffcd16070c95fe1d53f4466dc741.zip
op-kernel-dev-278d72ae8803ffcd16070c95fe1d53f4466dc741.tar.gz
[PATCH] ibmasm driver: redesign handling of remote control events
This patch rewrites the handling of remote control events. Rather than making them available from a special file in the ibmasmfs, now the events from the RSA card get translated into kernel input events and injected into the input subsystem. The driver now will generate two /dev/input/eventX nodes -- one for the keyboard and one for the mouse. The mouse node generates absolute events more like a touch pad than a mouse. Signed-off-by: Vernon Mauery <vernux@us.ibm.com> Signed-off-by: Max Asbock <masbock@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/misc/ibmasm/ibmasm.h')
-rw-r--r--drivers/misc/ibmasm/ibmasm.h65
1 files changed, 24 insertions, 41 deletions
diff --git a/drivers/misc/ibmasm/ibmasm.h b/drivers/misc/ibmasm/ibmasm.h
index 35c4def..653a7d0 100644
--- a/drivers/misc/ibmasm/ibmasm.h
+++ b/drivers/misc/ibmasm/ibmasm.h
@@ -34,16 +34,31 @@
#include <linux/version.h>
#include <linux/interrupt.h>
#include <linux/device.h>
+#include <linux/input.h>
/* Driver identification */
#define DRIVER_NAME "ibmasm"
-#define DRIVER_VERSION "0.4"
-#define DRIVER_AUTHOR "Max Asbock"
+#define DRIVER_VERSION "1.0"
+#define DRIVER_AUTHOR "Max Asbock <masbock@us.ibm.com>, Vernon Mauery <vernux@us.ibm.com>"
#define DRIVER_DESC "IBM ASM Service Processor Driver"
#define err(msg) printk(KERN_ERR "%s: " msg "\n", DRIVER_NAME)
#define info(msg) printk(KERN_INFO "%s: " msg "\n", DRIVER_NAME)
+extern int ibmasm_debug;
+#define dbg(STR, ARGS...) \
+ do { \
+ if (ibmasm_debug) \
+ printk(KERN_DEBUG STR , ##ARGS); \
+ } while (0)
+
+static inline char *get_timestamp(char *buf)
+{
+ struct timeval now;
+ do_gettimeofday(&now);
+ sprintf(buf, "%lu.%lu", now.tv_sec, now.tv_usec);
+ return buf;
+}
#define IBMASM_CMD_PENDING 0
#define IBMASM_CMD_COMPLETE 1
@@ -121,41 +136,11 @@ struct reverse_heartbeat {
unsigned int stopped;
};
-
-/* remote console events */
-struct mouse_event {
- long x;
- long y;
- unsigned char buttons;
- unsigned char transitions;
+struct ibmasm_remote {
+ struct input_dev keybd_dev;
+ struct input_dev mouse_dev;
};
-struct keyboard_event {
- unsigned long key_code;
- unsigned char key_down;
-};
-
-struct remote_event {
- unsigned long type;
- union {
- struct mouse_event mouse;
- struct keyboard_event keyboard;
- } data;
-};
-
-#define DRIVER_REMOTE_QUEUE_SIZE 240
-
-struct remote_queue {
- struct remote_event *start;
- struct remote_event *end;
- struct remote_event *reader;
- struct remote_event *writer;
- unsigned int size;
- int open;
- wait_queue_head_t wait;
-};
-
-
struct service_processor {
struct list_head node;
spinlock_t lock;
@@ -168,7 +153,7 @@ struct service_processor {
char dirname[IBMASM_NAME_SIZE];
char devname[IBMASM_NAME_SIZE];
unsigned int number;
- struct remote_queue remote_queue;
+ struct ibmasm_remote *remote;
int serial_line;
struct device *dev;
};
@@ -210,11 +195,9 @@ extern int ibmasm_send_i2o_message(struct service_processor *sp);
extern irqreturn_t ibmasm_interrupt_handler(int irq, void * dev_id, struct pt_regs *regs);
/* remote console */
-extern void ibmasm_handle_mouse_interrupt(struct service_processor *sp);
-extern int ibmasm_init_remote_queue(struct service_processor *sp);
-extern void ibmasm_free_remote_queue(struct service_processor *sp);
-extern void ibmasm_advance_reader(struct remote_queue *q, unsigned int n);
-extern size_t ibmasm_events_available(struct remote_queue *q);
+extern void ibmasm_handle_mouse_interrupt(struct service_processor *sp, struct pt_regs *regs);
+extern int ibmasm_init_remote_input_dev(struct service_processor *sp);
+extern void ibmasm_free_remote_input_dev(struct service_processor *sp);
/* file system */
extern int ibmasmfs_register(void);
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