* PS/2 mouse driver
*
* Copyright (c) 1999-2002 Vojtech Pavlik
+ * Copyright (c) 2003-2004 Dmitry Torokhov
*/
/*
#include <linux/input.h>
#include <linux/serio.h>
#include <linux/init.h>
+#include <linux/libps2.h>
#include "psmouse.h"
#include "synaptics.h"
#include "logips2pp.h"
+#include "alps.h"
+
+#define DRIVER_DESC "PS/2 mouse driver"
MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
-MODULE_DESCRIPTION("PS/2 mouse driver");
+MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
-static char *psmouse_proto;
static unsigned int psmouse_max_proto = -1U;
-module_param_named(proto, psmouse_proto, charp, 0);
-MODULE_PARM_DESC(proto, "Highest protocol extension to probe (bare, imps, exps). Useful for KVM switches.");
-
-int psmouse_resolution = 200;
-module_param_named(resolution, psmouse_resolution, uint, 0);
+static int psmouse_set_maxproto(const char *val, struct kernel_param *kp);
+static int psmouse_get_maxproto(char *buffer, struct kernel_param *kp);
+static char *psmouse_proto_abbrev[] = { NULL, "bare", NULL, NULL, NULL, "imps", "exps", NULL, NULL, NULL };
+#define param_check_proto_abbrev(name, p) __param_check(name, p, unsigned int)
+#define param_set_proto_abbrev psmouse_set_maxproto
+#define param_get_proto_abbrev psmouse_get_maxproto
+module_param_named(proto, psmouse_max_proto, proto_abbrev, 0644);
+MODULE_PARM_DESC(proto, "Highest protocol extension to probe (bare, imps, exps, any). Useful for KVM switches.");
+
+static unsigned int psmouse_resolution = 200;
+module_param_named(resolution, psmouse_resolution, uint, 0644);
MODULE_PARM_DESC(resolution, "Resolution, in dpi.");
-unsigned int psmouse_rate = 100;
-module_param_named(rate, psmouse_rate, uint, 0);
+static unsigned int psmouse_rate = 100;
+module_param_named(rate, psmouse_rate, uint, 0644);
MODULE_PARM_DESC(rate, "Report rate, in reports per second.");
-int psmouse_smartscroll = 1;
-module_param_named(smartscroll, psmouse_smartscroll, bool, 0);
+static unsigned int psmouse_smartscroll = 1;
+module_param_named(smartscroll, psmouse_smartscroll, bool, 0644);
MODULE_PARM_DESC(smartscroll, "Logitech Smartscroll autorepeat, 1 = enabled (default), 0 = disabled.");
-unsigned int psmouse_resetafter;
-module_param_named(resetafter, psmouse_resetafter, uint, 0);
-MODULE_PARM_DESC(resetafter, "Reset Synaptics Touchpad after so many bad packets (0 = never).");
+static unsigned int psmouse_resetafter;
+module_param_named(resetafter, psmouse_resetafter, uint, 0644);
+MODULE_PARM_DESC(resetafter, "Reset device after so many bad packets (0 = never).");
+
+PSMOUSE_DEFINE_ATTR(rate);
+PSMOUSE_DEFINE_ATTR(resolution);
+PSMOUSE_DEFINE_ATTR(resetafter);
__obsolete_setup("psmouse_noext");
__obsolete_setup("psmouse_resolution=");
__obsolete_setup("psmouse_resetafter=");
__obsolete_setup("psmouse_rate=");
-static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "PS2T++", "GenPS/2", "ImPS/2", "ImExPS/2", "SynPS/2"};
+static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "ThinkPS/2", "GenPS/2", "ImPS/2", "ImExPS/2", "SynPS/2", "AlpsPS/2" };
/*
- * psmouse_process_packet() analyzes the PS/2 mouse packet contents and
- * reports relevant events to the input module.
+ * psmouse_process_byte() analyzes the PS/2 data stream and reports
+ * relevant events to the input module once full packet has arrived.
*/
-static void psmouse_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
+static psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse, struct pt_regs *regs)
{
struct input_dev *dev = &psmouse->dev;
unsigned char *packet = psmouse->packet;
- input_regs(dev, regs);
+ if (psmouse->pktcnt < psmouse->pktsize)
+ return PSMOUSE_GOOD_DATA;
/*
- * The PS2++ protocol is a little bit complex
+ * Full packet accumulated, process it
*/
- if (psmouse->type == PSMOUSE_PS2PP || psmouse->type == PSMOUSE_PS2TPP)
- ps2pp_process_packet(psmouse);
+ input_regs(dev, regs);
/*
* Scroll wheel on IntelliMice, scroll buttons on NetMice
input_report_key(dev, BTN_EXTRA, (packet[0] >> 7) & 1);
}
+/*
+ * Extra button on ThinkingMouse
+ */
+ if (psmouse->type == PSMOUSE_THINKPS) {
+ input_report_key(dev, BTN_EXTRA, (packet[0] >> 3) & 1);
+ /* Without this bit of weirdness moving up gives wildly high Y changes. */
+ packet[1] |= (packet[0] & 0x40) << 1;
+ }
+
/*
* Generic PS/2 Mouse
*/
input_report_rel(dev, REL_Y, packet[2] ? (int) ((packet[0] << 3) & 0x100) - (int) packet[2] : 0);
input_sync(dev);
+
+ return PSMOUSE_FULL_PACKET;
}
/*
static irqreturn_t psmouse_interrupt(struct serio *serio,
unsigned char data, unsigned int flags, struct pt_regs *regs)
{
- struct psmouse *psmouse = serio->private;
+ struct psmouse *psmouse = serio_get_drvdata(serio);
+ psmouse_ret_t rc;
if (psmouse->state == PSMOUSE_IGNORE)
goto out;
printk(KERN_WARNING "psmouse.c: bad data from KBC -%s%s\n",
flags & SERIO_TIMEOUT ? " timeout" : "",
flags & SERIO_PARITY ? " bad parity" : "");
- if (psmouse->acking) {
- psmouse->ack = -1;
- psmouse->acking = 0;
- }
- psmouse->pktcnt = 0;
+ ps2_cmd_aborted(&psmouse->ps2dev);
goto out;
}
- if (psmouse->acking) {
- switch (data) {
- case PSMOUSE_RET_ACK:
- psmouse->ack = 1;
- break;
- case PSMOUSE_RET_NAK:
- psmouse->ack = -1;
- break;
- default:
- psmouse->ack = 1; /* Workaround for mice which don't ACK the Get ID command */
- if (psmouse->cmdcnt)
- psmouse->cmdbuf[--psmouse->cmdcnt] = data;
- break;
- }
- psmouse->acking = 0;
- goto out;
- }
+ if (unlikely(psmouse->ps2dev.flags & PS2_FLAG_ACK))
+ if (ps2_handle_ack(&psmouse->ps2dev, data))
+ goto out;
- if (psmouse->cmdcnt) {
- psmouse->cmdbuf[--psmouse->cmdcnt] = data;
+ if (unlikely(psmouse->ps2dev.flags & PS2_FLAG_CMD))
+ if (ps2_handle_response(&psmouse->ps2dev, data))
+ goto out;
+
+ if (psmouse->state == PSMOUSE_INITIALIZING)
goto out;
- }
if (psmouse->state == PSMOUSE_ACTIVATED &&
psmouse->pktcnt && time_after(jiffies, psmouse->last + HZ/2)) {
if (psmouse->pktcnt == 2) {
if (psmouse->packet[1] == PSMOUSE_RET_ID) {
psmouse->state = PSMOUSE_IGNORE;
- serio_rescan(serio);
+ serio_reconnect(serio);
goto out;
}
if (psmouse->type == PSMOUSE_SYNAPTICS) {
}
}
- if (psmouse->type == PSMOUSE_SYNAPTICS) {
- /*
- * The synaptics driver has its own resync logic,
- * so it needs to receive all bytes one at a time.
- */
- synaptics_process_byte(psmouse, regs);
- goto out;
- }
+ rc = psmouse->protocol_handler(psmouse, regs);
- if (psmouse->pktcnt == 3 + (psmouse->type >= PSMOUSE_GENPS)) {
- psmouse_process_packet(psmouse, regs);
- psmouse->pktcnt = 0;
- goto out;
- }
-out:
- return IRQ_HANDLED;
-}
+ switch (rc) {
+ case PSMOUSE_BAD_DATA:
+ printk(KERN_WARNING "psmouse.c: %s at %s lost sync at byte %d\n",
+ psmouse->name, psmouse->phys, psmouse->pktcnt);
+ psmouse->pktcnt = 0;
-/*
- * psmouse_sendbyte() sends a byte to the mouse, and waits for acknowledge.
- * It doesn't handle retransmission, though it could - because when there would
- * be need for retransmissions, the mouse has to be replaced anyway.
- */
+ if (++psmouse->out_of_sync == psmouse->resetafter) {
+ psmouse->state = PSMOUSE_IGNORE;
+ printk(KERN_NOTICE "psmouse.c: issuing reconnect request\n");
+ serio_reconnect(psmouse->ps2dev.serio);
+ }
+ break;
-static int psmouse_sendbyte(struct psmouse *psmouse, unsigned char byte)
-{
- int timeout = 10000; /* 100 msec */
- psmouse->ack = 0;
- psmouse->acking = 1;
+ case PSMOUSE_FULL_PACKET:
+ psmouse->pktcnt = 0;
+ if (psmouse->out_of_sync) {
+ psmouse->out_of_sync = 0;
+ printk(KERN_NOTICE "psmouse.c: %s at %s - driver resynched.\n",
+ psmouse->name, psmouse->phys);
+ }
+ break;
- if (serio_write(psmouse->serio, byte)) {
- psmouse->acking = 0;
- return -1;
+ case PSMOUSE_GOOD_DATA:
+ break;
}
-
- while (!psmouse->ack && timeout--) udelay(10);
-
- return -(psmouse->ack <= 0);
+out:
+ return IRQ_HANDLED;
}
+
/*
- * psmouse_command() sends a command and its parameters to the mouse,
- * then waits for the response and puts it in the param array.
+ * psmouse_sliced_command() sends an extended PS/2 command to the mouse
+ * using sliced syntax, understood by advanced devices, such as Logitech
+ * or Synaptics touchpads. The command is encoded as:
+ * 0xE6 0xE8 rr 0xE8 ss 0xE8 tt 0xE8 uu where (rr*64)+(ss*16)+(tt*4)+uu
+ * is the command.
*/
-
-int psmouse_command(struct psmouse *psmouse, unsigned char *param, int command)
+int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command)
{
- int timeout = 500000; /* 500 msec */
- int send = (command >> 12) & 0xf;
- int receive = (command >> 8) & 0xf;
int i;
- psmouse->cmdcnt = receive;
-
- if (command == PSMOUSE_CMD_RESET_BAT)
- timeout = 4000000; /* 4 sec */
-
- /* initialize cmdbuf with preset values from param */
- if (receive)
- for (i = 0; i < receive; i++)
- psmouse->cmdbuf[(receive - 1) - i] = param[i];
-
- if (command & 0xff)
- if (psmouse_sendbyte(psmouse, command & 0xff))
- return (psmouse->cmdcnt = 0) - 1;
-
- for (i = 0; i < send; i++)
- if (psmouse_sendbyte(psmouse, param[i]))
- return (psmouse->cmdcnt = 0) - 1;
-
- while (psmouse->cmdcnt && timeout--) {
-
- if (psmouse->cmdcnt == 1 && command == PSMOUSE_CMD_RESET_BAT &&
- timeout > 100000) /* do not run in a endless loop */
- timeout = 100000; /* 1 sec */
-
- if (psmouse->cmdcnt == 1 && command == PSMOUSE_CMD_GETID &&
- psmouse->cmdbuf[1] != 0xab && psmouse->cmdbuf[1] != 0xac) {
- psmouse->cmdcnt = 0;
- break;
- }
+ if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11))
+ return -1;
- udelay(1);
+ for (i = 6; i >= 0; i -= 2) {
+ unsigned char d = (command >> i) & 3;
+ if (ps2_command(&psmouse->ps2dev, &d, PSMOUSE_CMD_SETRES))
+ return -1;
}
- for (i = 0; i < receive; i++)
- param[i] = psmouse->cmdbuf[(receive - 1) - i];
-
- if (psmouse->cmdcnt)
- return (psmouse->cmdcnt = 0) - 1;
-
return 0;
}
{
unsigned char param[2];
- if (psmouse_command(psmouse, param, PSMOUSE_CMD_RESET_BAT))
+ if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_RESET_BAT))
return -1;
if (param[0] != PSMOUSE_RET_BAT && param[1] != PSMOUSE_RET_ID)
/*
* Genius NetMouse magic init.
*/
-static int genius_detect(struct psmouse *psmouse)
+static int genius_detect(struct psmouse *psmouse, int set_properties)
{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param[4];
param[0] = 3;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO);
+
+ if (param[0] != 0x00 || param[1] != 0x33 || param[2] != 0x55)
+ return -1;
+
+ if (set_properties) {
+ set_bit(BTN_EXTRA, psmouse->dev.keybit);
+ set_bit(BTN_SIDE, psmouse->dev.keybit);
+ set_bit(REL_WHEEL, psmouse->dev.relbit);
- return param[0] == 0x00 && param[1] == 0x33 && param[2] == 0x55;
+ psmouse->vendor = "Genius";
+ psmouse->name = "Wheel Mouse";
+ psmouse->pktsize = 4;
+ }
+
+ return 0;
}
/*
* IntelliMouse magic init.
*/
-static int intellimouse_detect(struct psmouse *psmouse)
+static int intellimouse_detect(struct psmouse *psmouse, int set_properties)
{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param[2];
param[0] = 200;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);
param[0] = 100;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);
param[0] = 80;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
- psmouse_command(psmouse, param, PSMOUSE_CMD_GETID);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_GETID);
+
+ if (param[0] != 3)
+ return -1;
+
+ if (set_properties) {
+ set_bit(REL_WHEEL, psmouse->dev.relbit);
+
+ if (!psmouse->vendor) psmouse->vendor = "Generic";
+ if (!psmouse->name) psmouse->name = "Wheel Mouse";
+ psmouse->pktsize = 4;
+ }
- return param[0] == 3;
+ return 0;
}
/*
* Try IntelliMouse/Explorer magic init.
*/
-static int im_explorer_detect(struct psmouse *psmouse)
+static int im_explorer_detect(struct psmouse *psmouse, int set_properties)
{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param[2];
+ intellimouse_detect(psmouse, 0);
+
param[0] = 200;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);
param[0] = 200;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);
param[0] = 80;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE);
- psmouse_command(psmouse, param, PSMOUSE_CMD_GETID);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_GETID);
+
+ if (param[0] != 4)
+ return -1;
+
+ if (set_properties) {
+ set_bit(REL_WHEEL, psmouse->dev.relbit);
+ set_bit(BTN_SIDE, psmouse->dev.keybit);
+ set_bit(BTN_EXTRA, psmouse->dev.keybit);
+
+ if (!psmouse->vendor) psmouse->vendor = "Generic";
+ if (!psmouse->name) psmouse->name = "Explorer Mouse";
+ psmouse->pktsize = 4;
+ }
+
+ return 0;
+}
+
+/*
+ * Kensington ThinkingMouse / ExpertMouse magic init.
+ */
+static int thinking_detect(struct psmouse *psmouse, int set_properties)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ unsigned char param[2];
+ unsigned char seq[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20, 0 };
+ int i;
+
+ param[0] = 10;
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);
+ param[0] = 0;
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
+ for (i = 0; seq[i]; i++)
+ ps2_command(ps2dev, seq + i, PSMOUSE_CMD_SETRATE);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_GETID);
- return param[0] == 4;
+ if (param[0] != 2)
+ return -1;
+
+ if (set_properties) {
+ set_bit(BTN_EXTRA, psmouse->dev.keybit);
+
+ psmouse->vendor = "Kensington";
+ psmouse->name = "ThinkingMouse";
+ }
+
+ return 0;
+}
+
+/*
+ * Bare PS/2 protocol "detection". Always succeeds.
+ */
+static int ps2bare_detect(struct psmouse *psmouse, int set_properties)
+{
+ if (!psmouse->vendor) psmouse->vendor = "Generic";
+ if (!psmouse->name) psmouse->name = "Mouse";
+
+ return 0;
}
/*
* the mouse may have.
*/
-static int psmouse_extensions(struct psmouse *psmouse)
+static int psmouse_extensions(struct psmouse *psmouse,
+ unsigned int max_proto, int set_properties)
{
int synaptics_hardware = 0;
- psmouse->vendor = "Generic";
- psmouse->name = "Mouse";
- psmouse->model = 0;
+/*
+ * Try Kensington ThinkingMouse (we try first, because synaptics probe
+ * upsets the thinkingmouse).
+ */
+
+ if (max_proto > PSMOUSE_IMEX && thinking_detect(psmouse, set_properties) == 0)
+ return PSMOUSE_THINKPS;
/*
* Try Synaptics TouchPad
*/
- if (psmouse_max_proto > PSMOUSE_PS2 && synaptics_detect(psmouse)) {
+ if (max_proto > PSMOUSE_PS2 && synaptics_detect(psmouse, set_properties) == 0) {
synaptics_hardware = 1;
- psmouse->vendor = "Synaptics";
- psmouse->name = "TouchPad";
- if (psmouse_max_proto > PSMOUSE_IMEX) {
- if (synaptics_init(psmouse) == 0)
+ if (max_proto > PSMOUSE_IMEX) {
+ if (!set_properties || synaptics_init(psmouse) == 0)
return PSMOUSE_SYNAPTICS;
/*
* Some Synaptics touchpads can emulate extended protocols (like IMPS/2).
* Unfortunately Logitech/Genius probes confuse some firmware versions so
* we'll have to skip them.
*/
- psmouse_max_proto = PSMOUSE_IMEX;
+ max_proto = PSMOUSE_IMEX;
}
/*
* Make sure that touchpad is in relative mode, gestures (taps) are enabled
synaptics_reset(psmouse);
}
- if (psmouse_max_proto > PSMOUSE_IMEX && genius_detect(psmouse)) {
- set_bit(BTN_EXTRA, psmouse->dev.keybit);
- set_bit(BTN_SIDE, psmouse->dev.keybit);
- set_bit(REL_WHEEL, psmouse->dev.relbit);
+/*
+ * Try ALPS TouchPad
+ */
+ if (max_proto > PSMOUSE_IMEX) {
+ ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS);
+ if (alps_detect(psmouse, set_properties) == 0) {
+ if (!set_properties || alps_init(psmouse) == 0)
+ return PSMOUSE_ALPS;
+/*
+ * Init failed, try basic relative protocols
+ */
+ max_proto = PSMOUSE_IMEX;
+ }
+ }
- psmouse->vendor = "Genius";
- psmouse->name = "Wheel Mouse";
+ if (max_proto > PSMOUSE_IMEX && genius_detect(psmouse, set_properties) == 0)
return PSMOUSE_GENPS;
- }
- if (psmouse_max_proto > PSMOUSE_IMEX) {
- int type = ps2pp_detect(psmouse);
- if (type)
- return type;
- }
+ if (max_proto > PSMOUSE_IMEX && ps2pp_init(psmouse, set_properties) == 0)
+ return PSMOUSE_PS2PP;
- if (psmouse_max_proto >= PSMOUSE_IMPS && intellimouse_detect(psmouse)) {
- set_bit(REL_WHEEL, psmouse->dev.relbit);
-
- if (psmouse_max_proto >= PSMOUSE_IMEX &&
- im_explorer_detect(psmouse)) {
- set_bit(BTN_SIDE, psmouse->dev.keybit);
- set_bit(BTN_EXTRA, psmouse->dev.keybit);
+/*
+ * Reset to defaults in case the device got confused by extended
+ * protocol probes.
+ */
+ ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS);
- psmouse->name = "Explorer Mouse";
- return PSMOUSE_IMEX;
- }
+ if (max_proto >= PSMOUSE_IMEX && im_explorer_detect(psmouse, set_properties) == 0)
+ return PSMOUSE_IMEX;
- psmouse->name = "Wheel Mouse";
+ if (max_proto >= PSMOUSE_IMPS && intellimouse_detect(psmouse, set_properties) == 0)
return PSMOUSE_IMPS;
- }
/*
* Okay, all failed, we have a standard mouse here. The number of the buttons
* is still a question, though. We assume 3.
*/
+ ps2bare_detect(psmouse, set_properties);
+
if (synaptics_hardware) {
/*
* We detected Synaptics hardware but it did not respond to IMPS/2 probes.
* extensions.
*/
psmouse_reset(psmouse);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_RESET_DIS);
+ ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS);
}
return PSMOUSE_PS2;
static int psmouse_probe(struct psmouse *psmouse)
{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param[2];
/*
* First, we check if it's a mouse. It should send 0x00 or 0x03
* in case of an IntelliMouse in 4-byte mode or 0x04 for IM Explorer.
+ * Sunrex K8561 IR Keyboard/Mouse reports 0xff on second and subsequent
+ * ID queries, probably due to a firmware bug.
*/
param[0] = 0xa5;
-
- if (psmouse_command(psmouse, param, PSMOUSE_CMD_GETID))
+ if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETID))
return -1;
- if (param[0] != 0x00 && param[0] != 0x03 && param[0] != 0x04)
+ if (param[0] != 0x00 && param[0] != 0x03 &&
+ param[0] != 0x04 && param[0] != 0xff)
return -1;
/*
* Then we reset and disable the mouse so that it doesn't generate events.
*/
- if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_RESET_DIS))
- printk(KERN_WARNING "psmouse.c: Failed to reset mouse on %s\n", psmouse->serio->phys);
+ if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_DIS))
+ printk(KERN_WARNING "psmouse.c: Failed to reset mouse on %s\n", ps2dev->serio->phys);
-/*
- * And here we try to determine if it has any extensions over the
- * basic PS/2 3-button mouse.
- */
-
- return psmouse->type = psmouse_extensions(psmouse);
+ return 0;
}
/*
* Here we set the mouse resolution.
*/
-static void psmouse_set_resolution(struct psmouse *psmouse)
+void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution)
{
- unsigned char param[1];
+ unsigned char params[] = { 0, 1, 2, 2, 3 };
- if (psmouse->type == PSMOUSE_PS2PP && psmouse_resolution > 400) {
- ps2pp_set_800dpi(psmouse);
- return;
- }
-
- if (!psmouse_resolution || psmouse_resolution >= 200)
- param[0] = 3;
- else if (psmouse_resolution >= 100)
- param[0] = 2;
- else if (psmouse_resolution >= 50)
- param[0] = 1;
- else if (psmouse_resolution)
- param[0] = 0;
+ if (resolution == 0 || resolution > 200)
+ resolution = 200;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ ps2_command(&psmouse->ps2dev, ¶ms[resolution / 50], PSMOUSE_CMD_SETRES);
+ psmouse->resolution = 25 << params[resolution / 50];
}
/*
* Here we set the mouse report rate.
*/
-static void psmouse_set_rate(struct psmouse *psmouse)
+static void psmouse_set_rate(struct psmouse *psmouse, unsigned int rate)
{
unsigned char rates[] = { 200, 100, 80, 60, 40, 20, 10, 0 };
int i = 0;
- while (rates[i] > psmouse_rate) i++;
- psmouse_command(psmouse, rates + i, PSMOUSE_CMD_SETRATE);
+ while (rates[i] > rate) i++;
+ ps2_command(&psmouse->ps2dev, &rates[i], PSMOUSE_CMD_SETRATE);
+ psmouse->rate = rates[i];
}
/*
static void psmouse_initialize(struct psmouse *psmouse)
{
- unsigned char param[2];
+/*
+ * We set the mouse into streaming mode.
+ */
+
+ ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM);
/*
* We set the mouse report rate, resolution and scaling.
*/
if (psmouse_max_proto != PSMOUSE_PS2) {
- psmouse_set_rate(psmouse);
- psmouse_set_resolution(psmouse);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
+ psmouse->set_rate(psmouse, psmouse->rate);
+ psmouse->set_resolution(psmouse, psmouse->resolution);
+ ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
}
+}
/*
- * We set the mouse into streaming mode.
+ * psmouse_set_state() sets new psmouse state and resets all flags and
+ * counters while holding serio lock so fighting with interrupt handler
+ * is not a concern.
*/
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETSTREAM);
+static void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state)
+{
+ serio_pause_rx(psmouse->ps2dev.serio);
+ psmouse->state = new_state;
+ psmouse->pktcnt = psmouse->out_of_sync = 0;
+ psmouse->ps2dev.flags = 0;
+ serio_continue_rx(psmouse->ps2dev.serio);
}
/*
static void psmouse_activate(struct psmouse *psmouse)
{
- if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_ENABLE))
- printk(KERN_WARNING "psmouse.c: Failed to enable mouse on %s\n", psmouse->serio->phys);
+ if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_ENABLE))
+ printk(KERN_WARNING "psmouse.c: Failed to enable mouse on %s\n",
+ psmouse->ps2dev.serio->phys);
- psmouse->state = PSMOUSE_ACTIVATED;
+ psmouse_set_state(psmouse, PSMOUSE_ACTIVATED);
}
+
+/*
+ * psmouse_deactivate() puts the mouse into poll mode so that we don't get motion
+ * reports from it unless we explicitely request it.
+ */
+
+static void psmouse_deactivate(struct psmouse *psmouse)
+{
+ if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_DISABLE))
+ printk(KERN_WARNING "psmouse.c: Failed to deactivate mouse on %s\n",
+ psmouse->ps2dev.serio->phys);
+
+ psmouse_set_state(psmouse, PSMOUSE_CMD_MODE);
+}
+
+
/*
* psmouse_cleanup() resets the mouse into power-on state.
*/
static void psmouse_cleanup(struct serio *serio)
{
- struct psmouse *psmouse = serio->private;
+ struct psmouse *psmouse = serio_get_drvdata(serio);
psmouse_reset(psmouse);
}
static void psmouse_disconnect(struct serio *serio)
{
- struct psmouse *psmouse = serio->private;
+ struct psmouse *psmouse, *parent;
- psmouse->state = PSMOUSE_CMD_MODE;
+ device_remove_file(&serio->dev, &psmouse_attr_rate);
+ device_remove_file(&serio->dev, &psmouse_attr_resolution);
+ device_remove_file(&serio->dev, &psmouse_attr_resetafter);
- if (psmouse->ptport) {
- if (psmouse->ptport->deactivate)
- psmouse->ptport->deactivate(psmouse);
- __serio_unregister_port(&psmouse->ptport->serio); /* we have serio_sem */
- kfree(psmouse->ptport);
- psmouse->ptport = NULL;
+ psmouse = serio_get_drvdata(serio);
+ psmouse_set_state(psmouse, PSMOUSE_CMD_MODE);
+
+ if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
+ parent = serio_get_drvdata(serio->parent);
+ if (parent->pt_deactivate)
+ parent->pt_deactivate(parent);
}
if (psmouse->disconnect)
psmouse->disconnect(psmouse);
- psmouse->state = PSMOUSE_IGNORE;
+ psmouse_set_state(psmouse, PSMOUSE_IGNORE);
input_unregister_device(&psmouse->dev);
serio_close(serio);
+ serio_set_drvdata(serio, NULL);
kfree(psmouse);
}
* psmouse_connect() is a callback from the serio module when
* an unhandled serio port is found.
*/
-static void psmouse_connect(struct serio *serio, struct serio_dev *dev)
+static int psmouse_connect(struct serio *serio, struct serio_driver *drv)
{
- struct psmouse *psmouse;
+ struct psmouse *psmouse, *parent = NULL;
+ int retval;
- if ((serio->type & SERIO_TYPE) != SERIO_8042 &&
- (serio->type & SERIO_TYPE) != SERIO_PS_PSTHRU)
- return;
+ /*
+ * If this is a pass-through port deactivate parent so the device
+ * connected to this port can be successfully identified
+ */
+ if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
+ parent = serio_get_drvdata(serio->parent);
+ psmouse_deactivate(parent);
+ }
- if (!(psmouse = kmalloc(sizeof(struct psmouse), GFP_KERNEL)))
- return;
+ if (!(psmouse = kmalloc(sizeof(struct psmouse), GFP_KERNEL))) {
+ retval = -ENOMEM;
+ goto out;
+ }
memset(psmouse, 0, sizeof(struct psmouse));
- init_input_dev(&psmouse->dev);
+ ps2_init(&psmouse->ps2dev, serio);
+ sprintf(psmouse->phys, "%s/input0", serio->phys);
psmouse->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
psmouse->dev.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
psmouse->dev.relbit[0] = BIT(REL_X) | BIT(REL_Y);
-
- psmouse->state = PSMOUSE_CMD_MODE;
- psmouse->serio = serio;
psmouse->dev.private = psmouse;
+ psmouse->dev.dev = &serio->dev;
+ psmouse_set_state(psmouse, PSMOUSE_INITIALIZING);
- serio->private = psmouse;
- if (serio_open(serio, dev)) {
+ serio_set_drvdata(serio, psmouse);
+
+ retval = serio_open(serio, drv);
+ if (retval) {
+ serio_set_drvdata(serio, NULL);
kfree(psmouse);
- serio->private = NULL;
- return;
+ goto out;
}
- if (psmouse_probe(psmouse) <= 0) {
+ if (psmouse_probe(psmouse) < 0) {
serio_close(serio);
+ serio_set_drvdata(serio, NULL);
kfree(psmouse);
- serio->private = NULL;
- return;
+ retval = -ENODEV;
+ goto out;
}
+ psmouse->rate = psmouse_rate;
+ psmouse->resolution = psmouse_resolution;
+ psmouse->resetafter = psmouse_resetafter;
+ psmouse->smartscroll = psmouse_smartscroll;
+ psmouse->set_rate = psmouse_set_rate;
+ psmouse->set_resolution = psmouse_set_resolution;
+ psmouse->protocol_handler = psmouse_process_byte;
+ psmouse->pktsize = 3;
+
+ psmouse->type = psmouse_extensions(psmouse, psmouse_max_proto, 1);
+
sprintf(psmouse->devname, "%s %s %s",
psmouse_protocols[psmouse->type], psmouse->vendor, psmouse->name);
- sprintf(psmouse->phys, "%s/input0",
- serio->phys);
psmouse->dev.name = psmouse->devname;
psmouse->dev.phys = psmouse->phys;
printk(KERN_INFO "input: %s on %s\n", psmouse->devname, serio->phys);
+ psmouse_set_state(psmouse, PSMOUSE_CMD_MODE);
+
psmouse_initialize(psmouse);
- if (psmouse->ptport) {
- printk(KERN_INFO "serio: %s port at %s\n", psmouse->ptport->serio.name, psmouse->phys);
- __serio_register_port(&psmouse->ptport->serio); /* we have serio_sem */
- if (psmouse->ptport->activate)
- psmouse->ptport->activate(psmouse);
- }
+ if (parent && parent->pt_activate)
+ parent->pt_activate(parent);
+
+ device_create_file(&serio->dev, &psmouse_attr_rate);
+ device_create_file(&serio->dev, &psmouse_attr_resolution);
+ device_create_file(&serio->dev, &psmouse_attr_resetafter);
psmouse_activate(psmouse);
+
+ retval = 0;
+
+out:
+ /* If this is a pass-through port the parent awaits to be activated */
+ if (parent)
+ psmouse_activate(parent);
+
+ return retval;
}
static int psmouse_reconnect(struct serio *serio)
{
- struct psmouse *psmouse = serio->private;
- struct serio_dev *dev = serio->dev;
- int old_type;
+ struct psmouse *psmouse = serio_get_drvdata(serio);
+ struct psmouse *parent = NULL;
+ struct serio_driver *drv = serio->drv;
+ int rc = -1;
- if (!dev || !psmouse) {
+ if (!drv || !psmouse) {
printk(KERN_DEBUG "psmouse: reconnect request, but serio is disconnected, ignoring...\n");
return -1;
}
- old_type = psmouse->type;
+ if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
+ parent = serio_get_drvdata(serio->parent);
+ psmouse_deactivate(parent);
+ }
+
+ psmouse_set_state(psmouse, PSMOUSE_INITIALIZING);
- psmouse->state = PSMOUSE_CMD_MODE;
- psmouse->type = psmouse->acking = psmouse->cmdcnt = psmouse->pktcnt = 0;
if (psmouse->reconnect) {
- if (psmouse->reconnect(psmouse))
- return -1;
- } else if (psmouse_probe(psmouse) != old_type)
- return -1;
+ if (psmouse->reconnect(psmouse))
+ goto out;
+ } else if (psmouse_probe(psmouse) < 0 ||
+ psmouse->type != psmouse_extensions(psmouse, psmouse_max_proto, 0))
+ goto out;
/* ok, the device type (and capabilities) match the old one,
* we can continue using it, complete intialization
*/
- psmouse->type = old_type;
+ psmouse_set_state(psmouse, PSMOUSE_CMD_MODE);
+
psmouse_initialize(psmouse);
- if (psmouse->ptport) {
- if (psmouse_reconnect(&psmouse->ptport->serio)) {
- __serio_unregister_port(&psmouse->ptport->serio);
- __serio_register_port(&psmouse->ptport->serio);
- if (psmouse->ptport->activate)
- psmouse->ptport->activate(psmouse);
- }
- }
+ if (parent && parent->pt_activate)
+ parent->pt_activate(parent);
psmouse_activate(psmouse);
- return 0;
+ rc = 0;
+
+out:
+ /* If this is a pass-through port the parent waits to be activated */
+ if (parent)
+ psmouse_activate(parent);
+
+ return rc;
}
+static struct serio_device_id psmouse_serio_ids[] = {
+ {
+ .type = SERIO_8042,
+ .proto = SERIO_ANY,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ {
+ .type = SERIO_PS_PSTHRU,
+ .proto = SERIO_ANY,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ { 0 }
+};
-static struct serio_dev psmouse_dev = {
- .interrupt = psmouse_interrupt,
- .connect = psmouse_connect,
- .reconnect = psmouse_reconnect,
- .disconnect = psmouse_disconnect,
- .cleanup = psmouse_cleanup,
+MODULE_DEVICE_TABLE(serio, psmouse_serio_ids);
+
+static struct serio_driver psmouse_drv = {
+ .driver = {
+ .name = "psmouse",
+ },
+ .description = DRIVER_DESC,
+ .id_table = psmouse_serio_ids,
+ .interrupt = psmouse_interrupt,
+ .connect = psmouse_connect,
+ .reconnect = psmouse_reconnect,
+ .disconnect = psmouse_disconnect,
+ .cleanup = psmouse_cleanup,
};
-static inline void psmouse_parse_proto(void)
-{
- if (psmouse_proto) {
- if (!strcmp(psmouse_proto, "bare"))
- psmouse_max_proto = PSMOUSE_PS2;
- else if (!strcmp(psmouse_proto, "imps"))
- psmouse_max_proto = PSMOUSE_IMPS;
- else if (!strcmp(psmouse_proto, "exps"))
- psmouse_max_proto = PSMOUSE_IMEX;
- else
- printk(KERN_ERR "psmouse: unknown protocol type '%s'\n", psmouse_proto);
+ssize_t psmouse_attr_show_helper(struct device *dev, char *buf,
+ ssize_t (*handler)(struct psmouse *, char *))
+{
+ struct serio *serio = to_serio_port(dev);
+ int retval;
+
+ retval = serio_pin_driver(serio);
+ if (retval)
+ return retval;
+
+ if (serio->drv != &psmouse_drv) {
+ retval = -ENODEV;
+ goto out;
+ }
+
+ retval = handler(serio_get_drvdata(serio), buf);
+
+out:
+ serio_unpin_driver(serio);
+ return retval;
+}
+
+ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t count,
+ ssize_t (*handler)(struct psmouse *, const char *, size_t))
+{
+ struct serio *serio = to_serio_port(dev);
+ struct psmouse *psmouse = serio_get_drvdata(serio);
+ struct psmouse *parent = NULL;
+ int retval;
+
+ retval = serio_pin_driver(serio);
+ if (retval)
+ return retval;
+
+ if (serio->drv != &psmouse_drv) {
+ retval = -ENODEV;
+ goto out;
}
+
+ if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
+ parent = serio_get_drvdata(serio->parent);
+ psmouse_deactivate(parent);
+ }
+ psmouse_deactivate(psmouse);
+
+ retval = handler(psmouse, buf, count);
+
+ psmouse_activate(psmouse);
+ if (parent)
+ psmouse_activate(parent);
+
+out:
+ serio_unpin_driver(serio);
+ return retval;
+}
+
+static ssize_t psmouse_attr_show_rate(struct psmouse *psmouse, char *buf)
+{
+ return sprintf(buf, "%d\n", psmouse->rate);
+}
+
+static ssize_t psmouse_attr_set_rate(struct psmouse *psmouse, const char *buf, size_t count)
+{
+ unsigned long value;
+ char *rest;
+
+ value = simple_strtoul(buf, &rest, 10);
+ if (*rest)
+ return -EINVAL;
+
+ psmouse->set_rate(psmouse, value);
+ return count;
+}
+
+static ssize_t psmouse_attr_show_resolution(struct psmouse *psmouse, char *buf)
+{
+ return sprintf(buf, "%d\n", psmouse->resolution);
+}
+
+static ssize_t psmouse_attr_set_resolution(struct psmouse *psmouse, const char *buf, size_t count)
+{
+ unsigned long value;
+ char *rest;
+
+ value = simple_strtoul(buf, &rest, 10);
+ if (*rest)
+ return -EINVAL;
+
+ psmouse->set_resolution(psmouse, value);
+ return count;
+}
+
+static ssize_t psmouse_attr_show_resetafter(struct psmouse *psmouse, char *buf)
+{
+ return sprintf(buf, "%d\n", psmouse->resetafter);
+}
+
+static ssize_t psmouse_attr_set_resetafter(struct psmouse *psmouse, const char *buf, size_t count)
+{
+ unsigned long value;
+ char *rest;
+
+ value = simple_strtoul(buf, &rest, 10);
+ if (*rest)
+ return -EINVAL;
+
+ psmouse->resetafter = value;
+ return count;
+}
+
+static int psmouse_set_maxproto(const char *val, struct kernel_param *kp)
+{
+ int i;
+
+ if (!val)
+ return -EINVAL;
+
+ if (!strncmp(val, "any", 3)) {
+ *((unsigned int *)kp->arg) = -1U;
+ return 0;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(psmouse_proto_abbrev); i++) {
+ if (!psmouse_proto_abbrev[i])
+ continue;
+
+ if (!strncmp(val, psmouse_proto_abbrev[i], strlen(psmouse_proto_abbrev[i]))) {
+ *((unsigned int *)kp->arg) = i;
+ return 0;
+ }
+ }
+
+ return -EINVAL; \
+}
+
+static int psmouse_get_maxproto(char *buffer, struct kernel_param *kp)
+{
+ return sprintf(buffer, "%s\n",
+ psmouse_max_proto < ARRAY_SIZE(psmouse_proto_abbrev) ?
+ psmouse_proto_abbrev[psmouse_max_proto] : "any");
}
-int __init psmouse_init(void)
+static int __init psmouse_init(void)
{
- psmouse_parse_proto();
- serio_register_device(&psmouse_dev);
+ serio_register_driver(&psmouse_drv);
return 0;
}
-void __exit psmouse_exit(void)
+static void __exit psmouse_exit(void)
{
- serio_unregister_device(&psmouse_dev);
+ serio_unregister_driver(&psmouse_drv);
}
module_init(psmouse_init);
git://git.onelab.eu / linux-2.6.git / blobdiff