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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-08-07 23:17:47 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-08-09 13:27:27 -0700
commitfa71c605c2bb4d816514c2611ad53f48007f1fd3 (patch)
tree9f57765287a2c2a7623ba6b5031e2897c01e5216 /drivers/input/keyboard
parent1437dc3089911d42180be11c50a0b960250a1d87 (diff)
Input: combine hil_kbd and hil_ptr drivers
hil_kbd and hil_ptr look like twins so it makes sense to combine them into a single driver. [deller@gmx.de: add MODULE_ALIAS() entry for mouse] Tested-by: Helge Deller <deller@gmx.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/keyboard')
-rw-r--r--drivers/input/keyboard/Kconfig5
-rw-r--r--drivers/input/keyboard/hil_kbd.c251
2 files changed, 219 insertions, 37 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index a6b989a9dc07..5239e25e88ac 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -187,7 +187,7 @@ config KEYBOARD_HIL_OLD
submenu.
config KEYBOARD_HIL
- tristate "HP HIL keyboard support"
+ tristate "HP HIL keyboard/pointer support"
depends on GSC || HP300
default y
select HP_SDC
@@ -196,7 +196,8 @@ config KEYBOARD_HIL
help
The "Human Interface Loop" is a older, 8-channel USB-like
controller used in several Hewlett Packard models.
- This driver implements support for HIL-keyboards attached
+ This driver implements support for HIL-keyboards and pointing
+ devices (mice, tablets, touchscreens) attached
to your machine, so normally you should say Y here.
config KEYBOARD_HP6XX
diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c
index 235a669a0ac3..c83f4b2ec7d3 100644
--- a/drivers/input/keyboard/hil_kbd.c
+++ b/drivers/input/keyboard/hil_kbd.c
@@ -41,13 +41,13 @@
#include <linux/slab.h>
#include <linux/pci_ids.h>
-#define PREFIX "HIL KEYB: "
-#define HIL_GENERIC_NAME "HIL keyboard"
+#define PREFIX "HIL: "
MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>");
-MODULE_DESCRIPTION(HIL_GENERIC_NAME " driver");
+MODULE_DESCRIPTION("HIL keyboard/mouse driver");
MODULE_LICENSE("Dual BSD/GPL");
-MODULE_ALIAS("serio:ty03pr25id00ex*");
+MODULE_ALIAS("serio:ty03pr25id00ex*"); /* HIL keyboard */
+MODULE_ALIAS("serio:ty03pr25id0Fex*"); /* HIL mouse */
#define HIL_PACKET_MAX_LENGTH 16
@@ -82,6 +82,11 @@ struct hil_dev {
char rnm[HIL_PACKET_MAX_LENGTH + 1]; /* RNM record + NULL term. */
struct completion cmd_done;
+
+ bool is_pointer;
+ /* Extra device details needed for pointing devices. */
+ unsigned int nbtn, naxes;
+ unsigned int btnmap[7];
};
static bool hil_dev_is_command_response(hil_packet p)
@@ -139,7 +144,7 @@ static void hil_dev_handle_command_response(struct hil_dev *dev)
complete(&dev->cmd_done);
}
-static void hil_dev_handle_key_events(struct hil_dev *kbd)
+static void hil_dev_handle_kbd_events(struct hil_dev *kbd)
{
struct input_dev *dev = kbd->dev;
int idx = kbd->idx4 / 4;
@@ -198,6 +203,67 @@ static void hil_dev_handle_key_events(struct hil_dev *kbd)
input_sync(dev);
}
+static void hil_dev_handle_ptr_events(struct hil_dev *ptr)
+{
+ struct input_dev *dev = ptr->dev;
+ int idx = ptr->idx4 / 4;
+ hil_packet p = ptr->data[idx - 1];
+ int i, cnt, laxis;
+ bool absdev, ax16;
+
+ if ((p & HIL_CMDCT_POL) != idx - 1) {
+ printk(KERN_WARNING PREFIX
+ "Malformed poll packet %x (idx = %i)\n", p, idx);
+ return;
+ }
+
+ i = (p & HIL_POL_AXIS_ALT) ? 3 : 0;
+ laxis = (p & HIL_POL_NUM_AXES_MASK) + i;
+
+ ax16 = ptr->idd[1] & HIL_IDD_HEADER_16BIT; /* 8 or 16bit resolution */
+ absdev = ptr->idd[1] & HIL_IDD_HEADER_ABS;
+
+ for (cnt = 1; i < laxis; i++) {
+ unsigned int lo, hi, val;
+
+ lo = ptr->data[cnt++] & HIL_PKT_DATA_MASK;
+ hi = ax16 ? (ptr->data[cnt++] & HIL_PKT_DATA_MASK) : 0;
+
+ if (absdev) {
+ val = lo + (hi << 8);
+#ifdef TABLET_AUTOADJUST
+ if (val < dev->absmin[ABS_X + i])
+ dev->absmin[ABS_X + i] = val;
+ if (val > dev->absmax[ABS_X + i])
+ dev->absmax[ABS_X + i] = val;
+#endif
+ if (i%3) val = dev->absmax[ABS_X + i] - val;
+ input_report_abs(dev, ABS_X + i, val);
+ } else {
+ val = (int) (((int8_t)lo) | ((int8_t)hi << 8));
+ if (i % 3)
+ val *= -1;
+ input_report_rel(dev, REL_X + i, val);
+ }
+ }
+
+ while (cnt < idx - 1) {
+ unsigned int btn = ptr->data[cnt++];
+ int up = btn & 1;
+
+ btn &= 0xfe;
+ if (btn == 0x8e)
+ continue; /* TODO: proximity == touch? */
+ if (btn > 0x8c || btn < 0x80)
+ continue;
+ btn = (btn - 0x80) >> 1;
+ btn = ptr->btnmap[btn];
+ input_report_key(dev, btn, !up);
+ }
+
+ input_sync(dev);
+}
+
static void hil_dev_process_err(struct hil_dev *dev)
{
printk(KERN_WARNING PREFIX "errored HIL packet\n");
@@ -234,8 +300,10 @@ static irqreturn_t hil_dev_interrupt(struct serio *serio,
} else if (packet & HIL_PKT_CMD) {
if (hil_dev_is_command_response(packet))
hil_dev_handle_command_response(dev);
+ else if (dev->is_pointer)
+ hil_dev_handle_ptr_events(dev);
else
- hil_dev_handle_key_events(dev);
+ hil_dev_handle_kbd_events(dev);
dev->idx4 = 0;
}
}
@@ -251,15 +319,130 @@ static void hil_dev_disconnect(struct serio *serio)
serio_close(serio);
input_unregister_device(dev->dev);
+ serio_set_drvdata(serio, NULL);
kfree(dev);
}
+static void hil_dev_keyboard_setup(struct hil_dev *kbd)
+{
+ struct input_dev *input_dev = kbd->dev;
+ uint8_t did = kbd->idd[0];
+ int i;
+
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
+ input_dev->ledbit[0] = BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) |
+ BIT_MASK(LED_SCROLLL);
+
+ for (i = 0; i < 128; i++) {
+ __set_bit(hil_kbd_set1[i], input_dev->keybit);
+ __set_bit(hil_kbd_set3[i], input_dev->keybit);
+ }
+ __clear_bit(KEY_RESERVED, input_dev->keybit);
+
+ input_dev->keycodemax = HIL_KEYCODES_SET1_TBLSIZE;
+ input_dev->keycodesize = sizeof(hil_kbd_set1[0]);
+ input_dev->keycode = hil_kbd_set1;
+
+ input_dev->name = strlen(kbd->rnm) ? kbd->rnm : "HIL keyboard";
+ input_dev->phys = "hpkbd/input0";
+
+ printk(KERN_INFO PREFIX "HIL keyboard found (did = 0x%02x, lang = %s)\n",
+ did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]);
+}
+
+static void hil_dev_pointer_setup(struct hil_dev *ptr)
+{
+ struct input_dev *input_dev = ptr->dev;
+ uint8_t did = ptr->idd[0];
+ uint8_t *idd = ptr->idd + 1;
+ unsigned int naxsets = HIL_IDD_NUM_AXSETS(*idd);
+ unsigned int i, btntype;
+ const char *txt;
+
+ ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd);
+
+ switch (did & HIL_IDD_DID_TYPE_MASK) {
+ case HIL_IDD_DID_TYPE_REL:
+ input_dev->evbit[0] = BIT_MASK(EV_REL);
+
+ for (i = 0; i < ptr->naxes; i++)
+ __set_bit(REL_X + i, input_dev->relbit);
+
+ for (i = 3; naxsets > 1 && i < ptr->naxes + 3; i++)
+ __set_bit(REL_X + i, input_dev->relbit);
+
+ txt = "relative";
+ break;
+
+ case HIL_IDD_DID_TYPE_ABS:
+ input_dev->evbit[0] = BIT_MASK(EV_ABS);
+
+ for (i = 0; i < ptr->naxes; i++)
+ input_set_abs_params(input_dev, ABS_X + i,
+ 0, HIL_IDD_AXIS_MAX(idd, i), 0, 0);
+
+ for (i = 3; naxsets > 1 && i < ptr->naxes + 3; i++)
+ input_set_abs_params(input_dev, ABS_X + i,
+ 0, HIL_IDD_AXIS_MAX(idd, i - 3), 0, 0);
+
+#ifdef TABLET_AUTOADJUST
+ for (i = 0; i < ABS_MAX; i++) {
+ int diff = input_dev->absmax[ABS_X + i] / 10;
+ input_dev->absmin[ABS_X + i] += diff;
+ input_dev->absmax[ABS_X + i] -= diff;
+ }
+#endif
+
+ txt = "absolute";
+ break;
+
+ default:
+ BUG();
+ }
+
+ ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd);
+ if (ptr->nbtn)
+ input_dev->evbit[0] |= BIT_MASK(EV_KEY);
+
+ btntype = BTN_MISC;
+ if ((did & HIL_IDD_DID_ABS_TABLET_MASK) == HIL_IDD_DID_ABS_TABLET)
+#ifdef TABLET_SIMULATES_MOUSE
+ btntype = BTN_TOUCH;
+#else
+ btntype = BTN_DIGI;
+#endif
+ if ((did & HIL_IDD_DID_ABS_TSCREEN_MASK) == HIL_IDD_DID_ABS_TSCREEN)
+ btntype = BTN_TOUCH;
+
+ if ((did & HIL_IDD_DID_REL_MOUSE_MASK) == HIL_IDD_DID_REL_MOUSE)
+ btntype = BTN_MOUSE;
+
+ for (i = 0; i < ptr->nbtn; i++) {
+ __set_bit(btntype | i, input_dev->keybit);
+ ptr->btnmap[i] = btntype | i;
+ }
+
+ if (btntype == BTN_MOUSE) {
+ /* Swap buttons 2 and 3 */
+ ptr->btnmap[1] = BTN_MIDDLE;
+ ptr->btnmap[2] = BTN_RIGHT;
+ }
+
+ input_dev->name = strlen(ptr->rnm) ? ptr->rnm : "HIL pointer device";
+
+ printk(KERN_INFO PREFIX
+ "HIL pointer device found (did: 0x%02x, axis: %s)\n",
+ did, txt);
+ printk(KERN_INFO PREFIX
+ "HIL pointer has %i buttons and %i sets of %i axes\n",
+ ptr->nbtn, naxsets, ptr->naxes);
+}
+
static int hil_dev_connect(struct serio *serio, struct serio_driver *drv)
{
struct hil_dev *dev;
struct input_dev *input_dev;
uint8_t did, *idd;
- int i;
int error;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
@@ -317,49 +500,47 @@ static int hil_dev_connect(struct serio *serio, struct serio_driver *drv)
did = dev->idd[0];
idd = dev->idd + 1;
+
switch (did & HIL_IDD_DID_TYPE_MASK) {
case HIL_IDD_DID_TYPE_KB_INTEGRAL:
case HIL_IDD_DID_TYPE_KB_ITF:
case HIL_IDD_DID_TYPE_KB_RSVD:
case HIL_IDD_DID_TYPE_CHAR:
- printk(KERN_INFO PREFIX "HIL keyboard found (did = 0x%02x, lang = %s)\n",
- did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]);
+ if (HIL_IDD_NUM_BUTTONS(idd) ||
+ HIL_IDD_NUM_AXES_PER_SET(*idd)) {
+ printk(KERN_INFO PREFIX
+ "combo devices are not supported.\n");
+ goto bail1;
+ }
+
+ dev->is_pointer = false;
+ hil_dev_keyboard_setup(dev);
break;
- default:
- goto bail1;
- }
- if (HIL_IDD_NUM_BUTTONS(idd) || HIL_IDD_NUM_AXES_PER_SET(*idd)) {
- printk(KERN_INFO PREFIX "keyboards only, no combo devices supported.\n");
+ case HIL_IDD_DID_TYPE_REL:
+ case HIL_IDD_DID_TYPE_ABS:
+ dev->is_pointer = true;
+ hil_dev_pointer_setup(dev);
+ break;
+
+ default:
goto bail1;
}
- input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
- input_dev->ledbit[0] = BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) |
- BIT_MASK(LED_SCROLLL);
- input_dev->keycodemax = HIL_KEYCODES_SET1_TBLSIZE;
- input_dev->keycodesize = sizeof(hil_kbd_set1[0]);
- input_dev->keycode = hil_kbd_set1;
- input_dev->name = strlen(dev->rnm) ? dev->rnm : HIL_GENERIC_NAME;
- input_dev->phys = "hpkbd/input0"; /* XXX */
-
input_dev->id.bustype = BUS_HIL;
input_dev->id.vendor = PCI_VENDOR_ID_HP;
input_dev->id.product = 0x0001; /* TODO: get from kbd->rsc */
input_dev->id.version = 0x0100; /* TODO: get from kbd->rsc */
input_dev->dev.parent = &serio->dev;
- for (i = 0; i < 128; i++) {
- __set_bit(hil_kbd_set1[i], input_dev->keybit);
- __set_bit(hil_kbd_set3[i], input_dev->keybit);
+ if (!dev->is_pointer) {
+ serio_write(serio, 0);
+ serio_write(serio, 0);
+ serio_write(serio, HIL_PKT_CMD >> 8);
+ /* Enable Keyswitch Autorepeat 1 */
+ serio_write(serio, HIL_CMD_EK1);
+ /* No need to wait for completion */
}
- __clear_bit(KEY_RESERVED, input_dev->keybit);
-
- serio_write(serio, 0);
- serio_write(serio, 0);
- serio_write(serio, HIL_PKT_CMD >> 8);
- serio_write(serio, HIL_CMD_EK1); /* Enable Keyswitch Autorepeat 1 */
- /* No need to wait for completion */
error = input_register_device(input_dev);
if (error)
@@ -388,9 +569,9 @@ static struct serio_device_id hil_dev_ids[] = {
static struct serio_driver hil_serio_drv = {
.driver = {
- .name = "hil_kbd",
+ .name = "hil_dev",
},
- .description = "HP HIL keyboard driver",
+ .description = "HP HIL keyboard/mouse/tablet driver",
.id_table = hil_dev_ids,
.connect = hil_dev_connect,
.disconnect = hil_dev_disconnect,