* Trademarks are the property of their respective owners.
*/
-#define pr_fmt(fmt) KBUILD_BASENAME ": " fmt
-
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/module.h>
#define elantech_debug(fmt, ...) \
do { \
if (etd->debug) \
- printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \
+ psmouse_printk(KERN_DEBUG, psmouse, \
+ fmt, ##__VA_ARGS__); \
} while (0)
-static bool force_elantech;
-module_param_named(force_elantech, force_elantech, bool, 0644);
-MODULE_PARM_DESC(force_elantech, "Force the Elantech PS/2 protocol extension to be used, 1 = enabled, 0 = disabled (default).");
-
/*
* Send a Synaptics style sliced query command
*/
{
if (psmouse_sliced_command(psmouse, c) ||
ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO)) {
- pr_err("synaptics_send_cmd query 0x%02x failed.\n", c);
+ psmouse_err(psmouse, "%s query 0x%02x failed.\n", __func__, c);
return -1;
}
} while (tries > 0);
if (rc)
- pr_err("ps2 command 0x%02x failed.\n", command);
+ psmouse_err(psmouse, "ps2 command 0x%02x failed.\n", command);
return rc;
}
}
if (rc)
- pr_err("failed to read register 0x%02x.\n", reg);
+ psmouse_err(psmouse, "failed to read register 0x%02x.\n", reg);
else if (etd->hw_version != 4)
*val = param[0];
else
}
if (rc)
- pr_err("failed to write register 0x%02x with value 0x%02x.\n",
- reg, val);
+ psmouse_err(psmouse,
+ "failed to write register 0x%02x with value 0x%02x.\n",
+ reg, val);
return rc;
}
/*
* Dump a complete mouse movement packet to the syslog
*/
-static void elantech_packet_dump(unsigned char *packet, int size)
+static void elantech_packet_dump(struct psmouse *psmouse)
{
int i;
- printk(KERN_DEBUG pr_fmt("PS/2 packet ["));
- for (i = 0; i < size; i++)
- printk("%s0x%02x ", (i) ? ", " : " ", packet[i]);
+ psmouse_printk(KERN_DEBUG, psmouse, "PS/2 packet [");
+ for (i = 0; i < psmouse->pktsize; i++)
+ printk("%s0x%02x ", i ? ", " : " ", psmouse->packet[i]);
printk("]\n");
}
etd->parity[packet[3]] == p3;
}
+static int elantech_debounce_check_v2(struct psmouse *psmouse)
+{
+ /*
+ * When we encounter packet that matches this exactly, it means the
+ * hardware is in debounce status. Just ignore the whole packet.
+ */
+ const u8 debounce_packet[] = { 0x84, 0xff, 0xff, 0x02, 0xff, 0xff };
+ unsigned char *packet = psmouse->packet;
+
+ return !memcmp(packet, debounce_packet, sizeof(debounce_packet));
+}
+
static int elantech_packet_check_v2(struct psmouse *psmouse)
{
struct elantech_data *etd = psmouse->private;
return PSMOUSE_GOOD_DATA;
if (etd->debug > 1)
- elantech_packet_dump(psmouse->packet, psmouse->pktsize);
+ elantech_packet_dump(psmouse);
switch (etd->hw_version) {
case 1:
break;
case 2:
+ /* ignore debounce */
+ if (elantech_debounce_check_v2(psmouse))
+ return PSMOUSE_FULL_PACKET;
+
if (etd->paritycheck && !elantech_packet_check_v2(psmouse))
return PSMOUSE_BAD_DATA;
/*
* Read back reg 0x10. For hardware version 1 we must make
* sure the absolute mode bit is set. For hardware version 2
- * the touchpad is probably initalising and not ready until
+ * the touchpad is probably initializing and not ready until
* we read back the value we just wrote.
*/
do {
} while (tries > 0);
if (rc) {
- pr_err("failed to read back register 0x10.\n");
+ psmouse_err(psmouse,
+ "failed to read back register 0x10.\n");
} else if (etd->hw_version == 1 &&
!(val & ETP_R10_ABSOLUTE_MODE)) {
- pr_err("touchpad refuses to switch to absolute mode.\n");
+ psmouse_err(psmouse,
+ "touchpad refuses to switch to absolute mode.\n");
rc = -1;
}
}
skip_readback_reg_10:
if (rc)
- pr_err("failed to initialise registers.\n");
+ psmouse_err(psmouse, "failed to initialise registers.\n");
return rc;
}
struct elantech_data *etd = psmouse->private;
unsigned char param[3];
unsigned char traces;
- int i;
switch (etd->hw_version) {
case 1:
*x_max = ETP_XMAX_V2;
*y_max = ETP_YMAX_V2;
} else {
+ int i;
+ int fixed_dpi;
+
i = (etd->fw_version > 0x020800 &&
etd->fw_version < 0x020900) ? 1 : 2;
- *x_min = 0;
- *y_min = 0;
- *x_max = (etd->capabilities[1] - i) * 64;
- *y_max = (etd->capabilities[2] - i) * 64;
+
+ if (synaptics_send_cmd(psmouse, ETP_FW_ID_QUERY, param))
+ return -1;
+
+ fixed_dpi = param[1] & 0x10;
+
+ if (((etd->fw_version >> 16) == 0x14) && fixed_dpi) {
+ if (synaptics_send_cmd(psmouse, ETP_SAMPLE_QUERY, param))
+ return -1;
+
+ *x_max = (etd->capabilities[1] - i) * param[1] / 2;
+ *y_max = (etd->capabilities[2] - i) * param[2] / 2;
+ } else if (etd->fw_version == 0x040216) {
+ *x_max = 819;
+ *y_max = 405;
+ } else if (etd->fw_version == 0x040219 || etd->fw_version == 0x040215) {
+ *x_max = 900;
+ *y_max = 500;
+ } else {
+ *x_max = (etd->capabilities[1] - i) * 64;
+ *y_max = (etd->capabilities[2] - i) * 64;
+ }
}
break;
ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) {
- pr_debug("sending Elantech magic knock failed.\n");
+ psmouse_dbg(psmouse, "sending Elantech magic knock failed.\n");
return -1;
}
*/
if (param[0] != 0x3c || param[1] != 0x03 ||
(param[2] != 0xc8 && param[2] != 0x00)) {
- pr_debug("unexpected magic knock result 0x%02x, 0x%02x, 0x%02x.\n",
- param[0], param[1], param[2]);
+ psmouse_dbg(psmouse,
+ "unexpected magic knock result 0x%02x, 0x%02x, 0x%02x.\n",
+ param[0], param[1], param[2]);
return -1;
}
* to Elantech magic knock and there might be more.
*/
if (synaptics_send_cmd(psmouse, ETP_FW_VERSION_QUERY, param)) {
- pr_debug("failed to query firmware version.\n");
+ psmouse_dbg(psmouse, "failed to query firmware version.\n");
return -1;
}
- pr_debug("Elantech version query result 0x%02x, 0x%02x, 0x%02x.\n",
- param[0], param[1], param[2]);
+ psmouse_dbg(psmouse,
+ "Elantech version query result 0x%02x, 0x%02x, 0x%02x.\n",
+ param[0], param[1], param[2]);
if (!elantech_is_signature_valid(param)) {
- if (!force_elantech) {
- pr_debug("Probably not a real Elantech touchpad. Aborting.\n");
- return -1;
- }
-
- pr_debug("Probably not a real Elantech touchpad. Enabling anyway due to force_elantech.\n");
+ psmouse_dbg(psmouse,
+ "Probably not a real Elantech touchpad. Aborting.\n");
+ return -1;
}
if (set_properties) {
return -1;
if (elantech_set_absolute_mode(psmouse)) {
- pr_err("failed to put touchpad back into absolute mode.\n");
+ psmouse_err(psmouse,
+ "failed to put touchpad back into absolute mode.\n");
return -1;
}
* Do the version query again so we can store the result
*/
if (synaptics_send_cmd(psmouse, ETP_FW_VERSION_QUERY, param)) {
- pr_err("failed to query firmware version.\n");
+ psmouse_err(psmouse, "failed to query firmware version.\n");
goto init_fail;
}
etd->fw_version = (param[0] << 16) | (param[1] << 8) | param[2];
if (elantech_set_properties(etd)) {
- pr_err("unknown hardware version, aborting...\n");
+ psmouse_err(psmouse, "unknown hardware version, aborting...\n");
goto init_fail;
}
- pr_info("assuming hardware version %d "
- "(with firmware version 0x%02x%02x%02x)\n",
- etd->hw_version, param[0], param[1], param[2]);
+ psmouse_info(psmouse,
+ "assuming hardware version %d (with firmware version 0x%02x%02x%02x)\n",
+ etd->hw_version, param[0], param[1], param[2]);
if (synaptics_send_cmd(psmouse, ETP_CAPABILITIES_QUERY,
etd->capabilities)) {
- pr_err("failed to query capabilities.\n");
+ psmouse_err(psmouse, "failed to query capabilities.\n");
goto init_fail;
}
- pr_info("Synaptics capabilities query result 0x%02x, 0x%02x, 0x%02x.\n",
- etd->capabilities[0], etd->capabilities[1],
- etd->capabilities[2]);
+ psmouse_info(psmouse,
+ "Synaptics capabilities query result 0x%02x, 0x%02x, 0x%02x.\n",
+ etd->capabilities[0], etd->capabilities[1],
+ etd->capabilities[2]);
if (elantech_set_absolute_mode(psmouse)) {
- pr_err("failed to put touchpad into absolute mode.\n");
+ psmouse_err(psmouse,
+ "failed to put touchpad into absolute mode.\n");
goto init_fail;
}
if (elantech_set_input_params(psmouse)) {
- pr_err("failed to query touchpad range.\n");
+ psmouse_err(psmouse, "failed to query touchpad range.\n");
goto init_fail;
}
error = sysfs_create_group(&psmouse->ps2dev.serio->dev.kobj,
&elantech_attr_group);
if (error) {
- pr_err("failed to create sysfs attributes, error: %d.\n", error);
+ psmouse_err(psmouse,
+ "failed to create sysfs attributes, error: %d.\n",
+ error);
goto init_fail;
}
git.openpandora.org / pandora-kernel.git / blobdiff