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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>
This commit is contained in:
Dmitry Torokhov
parent
1437dc3089
commit
fa71c605c2
@ -187,7 +187,7 @@ config KEYBOARD_HIL_OLD
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submenu.
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config KEYBOARD_HIL
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tristate "HP HIL keyboard support"
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tristate "HP HIL keyboard/pointer support"
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depends on GSC || HP300
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default y
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select HP_SDC
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@ -196,7 +196,8 @@ config KEYBOARD_HIL
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help
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The "Human Interface Loop" is a older, 8-channel USB-like
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controller used in several Hewlett Packard models.
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This driver implements support for HIL-keyboards attached
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This driver implements support for HIL-keyboards and pointing
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devices (mice, tablets, touchscreens) attached
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to your machine, so normally you should say Y here.
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config KEYBOARD_HP6XX
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@ -41,13 +41,13 @@
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#include <linux/slab.h>
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#include <linux/pci_ids.h>
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#define PREFIX "HIL KEYB: "
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#define HIL_GENERIC_NAME "HIL keyboard"
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#define PREFIX "HIL: "
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MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>");
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MODULE_DESCRIPTION(HIL_GENERIC_NAME " driver");
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MODULE_DESCRIPTION("HIL keyboard/mouse driver");
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MODULE_LICENSE("Dual BSD/GPL");
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MODULE_ALIAS("serio:ty03pr25id00ex*");
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MODULE_ALIAS("serio:ty03pr25id00ex*"); /* HIL keyboard */
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MODULE_ALIAS("serio:ty03pr25id0Fex*"); /* HIL mouse */
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#define HIL_PACKET_MAX_LENGTH 16
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@ -82,6 +82,11 @@ struct hil_dev {
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char rnm[HIL_PACKET_MAX_LENGTH + 1]; /* RNM record + NULL term. */
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struct completion cmd_done;
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bool is_pointer;
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/* Extra device details needed for pointing devices. */
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unsigned int nbtn, naxes;
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unsigned int btnmap[7];
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};
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static bool hil_dev_is_command_response(hil_packet p)
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@ -139,7 +144,7 @@ static void hil_dev_handle_command_response(struct hil_dev *dev)
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complete(&dev->cmd_done);
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}
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static void hil_dev_handle_key_events(struct hil_dev *kbd)
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static void hil_dev_handle_kbd_events(struct hil_dev *kbd)
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{
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struct input_dev *dev = kbd->dev;
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int idx = kbd->idx4 / 4;
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@ -198,6 +203,67 @@ static void hil_dev_handle_key_events(struct hil_dev *kbd)
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input_sync(dev);
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}
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static void hil_dev_handle_ptr_events(struct hil_dev *ptr)
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{
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struct input_dev *dev = ptr->dev;
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int idx = ptr->idx4 / 4;
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hil_packet p = ptr->data[idx - 1];
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int i, cnt, laxis;
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bool absdev, ax16;
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if ((p & HIL_CMDCT_POL) != idx - 1) {
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printk(KERN_WARNING PREFIX
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"Malformed poll packet %x (idx = %i)\n", p, idx);
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return;
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}
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i = (p & HIL_POL_AXIS_ALT) ? 3 : 0;
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laxis = (p & HIL_POL_NUM_AXES_MASK) + i;
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ax16 = ptr->idd[1] & HIL_IDD_HEADER_16BIT; /* 8 or 16bit resolution */
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absdev = ptr->idd[1] & HIL_IDD_HEADER_ABS;
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for (cnt = 1; i < laxis; i++) {
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unsigned int lo, hi, val;
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lo = ptr->data[cnt++] & HIL_PKT_DATA_MASK;
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hi = ax16 ? (ptr->data[cnt++] & HIL_PKT_DATA_MASK) : 0;
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if (absdev) {
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val = lo + (hi << 8);
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#ifdef TABLET_AUTOADJUST
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if (val < dev->absmin[ABS_X + i])
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dev->absmin[ABS_X + i] = val;
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if (val > dev->absmax[ABS_X + i])
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dev->absmax[ABS_X + i] = val;
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#endif
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if (i%3) val = dev->absmax[ABS_X + i] - val;
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input_report_abs(dev, ABS_X + i, val);
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} else {
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val = (int) (((int8_t)lo) | ((int8_t)hi << 8));
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if (i % 3)
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val *= -1;
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input_report_rel(dev, REL_X + i, val);
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}
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}
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while (cnt < idx - 1) {
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unsigned int btn = ptr->data[cnt++];
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int up = btn & 1;
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btn &= 0xfe;
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if (btn == 0x8e)
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continue; /* TODO: proximity == touch? */
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if (btn > 0x8c || btn < 0x80)
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continue;
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btn = (btn - 0x80) >> 1;
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btn = ptr->btnmap[btn];
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input_report_key(dev, btn, !up);
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}
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input_sync(dev);
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}
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static void hil_dev_process_err(struct hil_dev *dev)
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{
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printk(KERN_WARNING PREFIX "errored HIL packet\n");
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@ -234,8 +300,10 @@ static irqreturn_t hil_dev_interrupt(struct serio *serio,
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} else if (packet & HIL_PKT_CMD) {
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if (hil_dev_is_command_response(packet))
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hil_dev_handle_command_response(dev);
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else if (dev->is_pointer)
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hil_dev_handle_ptr_events(dev);
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else
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hil_dev_handle_key_events(dev);
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hil_dev_handle_kbd_events(dev);
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dev->idx4 = 0;
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}
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}
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@ -251,15 +319,130 @@ static void hil_dev_disconnect(struct serio *serio)
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serio_close(serio);
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input_unregister_device(dev->dev);
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serio_set_drvdata(serio, NULL);
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kfree(dev);
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}
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static void hil_dev_keyboard_setup(struct hil_dev *kbd)
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{
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struct input_dev *input_dev = kbd->dev;
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uint8_t did = kbd->idd[0];
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int i;
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input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
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input_dev->ledbit[0] = BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) |
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BIT_MASK(LED_SCROLLL);
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for (i = 0; i < 128; i++) {
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__set_bit(hil_kbd_set1[i], input_dev->keybit);
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__set_bit(hil_kbd_set3[i], input_dev->keybit);
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}
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__clear_bit(KEY_RESERVED, input_dev->keybit);
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input_dev->keycodemax = HIL_KEYCODES_SET1_TBLSIZE;
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input_dev->keycodesize = sizeof(hil_kbd_set1[0]);
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input_dev->keycode = hil_kbd_set1;
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input_dev->name = strlen(kbd->rnm) ? kbd->rnm : "HIL keyboard";
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input_dev->phys = "hpkbd/input0";
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printk(KERN_INFO PREFIX "HIL keyboard found (did = 0x%02x, lang = %s)\n",
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did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]);
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}
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static void hil_dev_pointer_setup(struct hil_dev *ptr)
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{
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struct input_dev *input_dev = ptr->dev;
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uint8_t did = ptr->idd[0];
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uint8_t *idd = ptr->idd + 1;
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unsigned int naxsets = HIL_IDD_NUM_AXSETS(*idd);
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unsigned int i, btntype;
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const char *txt;
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ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd);
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switch (did & HIL_IDD_DID_TYPE_MASK) {
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case HIL_IDD_DID_TYPE_REL:
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input_dev->evbit[0] = BIT_MASK(EV_REL);
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for (i = 0; i < ptr->naxes; i++)
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__set_bit(REL_X + i, input_dev->relbit);
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for (i = 3; naxsets > 1 && i < ptr->naxes + 3; i++)
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__set_bit(REL_X + i, input_dev->relbit);
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txt = "relative";
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break;
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case HIL_IDD_DID_TYPE_ABS:
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input_dev->evbit[0] = BIT_MASK(EV_ABS);
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for (i = 0; i < ptr->naxes; i++)
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input_set_abs_params(input_dev, ABS_X + i,
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0, HIL_IDD_AXIS_MAX(idd, i), 0, 0);
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for (i = 3; naxsets > 1 && i < ptr->naxes + 3; i++)
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input_set_abs_params(input_dev, ABS_X + i,
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0, HIL_IDD_AXIS_MAX(idd, i - 3), 0, 0);
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#ifdef TABLET_AUTOADJUST
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for (i = 0; i < ABS_MAX; i++) {
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int diff = input_dev->absmax[ABS_X + i] / 10;
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input_dev->absmin[ABS_X + i] += diff;
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input_dev->absmax[ABS_X + i] -= diff;
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}
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#endif
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txt = "absolute";
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break;
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default:
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BUG();
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}
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ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd);
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if (ptr->nbtn)
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input_dev->evbit[0] |= BIT_MASK(EV_KEY);
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btntype = BTN_MISC;
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if ((did & HIL_IDD_DID_ABS_TABLET_MASK) == HIL_IDD_DID_ABS_TABLET)
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#ifdef TABLET_SIMULATES_MOUSE
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btntype = BTN_TOUCH;
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#else
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btntype = BTN_DIGI;
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#endif
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if ((did & HIL_IDD_DID_ABS_TSCREEN_MASK) == HIL_IDD_DID_ABS_TSCREEN)
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btntype = BTN_TOUCH;
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if ((did & HIL_IDD_DID_REL_MOUSE_MASK) == HIL_IDD_DID_REL_MOUSE)
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btntype = BTN_MOUSE;
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for (i = 0; i < ptr->nbtn; i++) {
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__set_bit(btntype | i, input_dev->keybit);
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ptr->btnmap[i] = btntype | i;
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}
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if (btntype == BTN_MOUSE) {
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/* Swap buttons 2 and 3 */
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ptr->btnmap[1] = BTN_MIDDLE;
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ptr->btnmap[2] = BTN_RIGHT;
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}
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input_dev->name = strlen(ptr->rnm) ? ptr->rnm : "HIL pointer device";
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printk(KERN_INFO PREFIX
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"HIL pointer device found (did: 0x%02x, axis: %s)\n",
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did, txt);
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printk(KERN_INFO PREFIX
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"HIL pointer has %i buttons and %i sets of %i axes\n",
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ptr->nbtn, naxsets, ptr->naxes);
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}
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static int hil_dev_connect(struct serio *serio, struct serio_driver *drv)
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{
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struct hil_dev *dev;
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struct input_dev *input_dev;
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uint8_t did, *idd;
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int i;
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int error;
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dev = kzalloc(sizeof(*dev), GFP_KERNEL);
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@ -317,49 +500,47 @@ static int hil_dev_connect(struct serio *serio, struct serio_driver *drv)
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did = dev->idd[0];
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idd = dev->idd + 1;
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switch (did & HIL_IDD_DID_TYPE_MASK) {
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case HIL_IDD_DID_TYPE_KB_INTEGRAL:
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case HIL_IDD_DID_TYPE_KB_ITF:
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case HIL_IDD_DID_TYPE_KB_RSVD:
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case HIL_IDD_DID_TYPE_CHAR:
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printk(KERN_INFO PREFIX "HIL keyboard found (did = 0x%02x, lang = %s)\n",
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did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]);
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if (HIL_IDD_NUM_BUTTONS(idd) ||
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HIL_IDD_NUM_AXES_PER_SET(*idd)) {
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printk(KERN_INFO PREFIX
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"combo devices are not supported.\n");
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goto bail1;
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}
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dev->is_pointer = false;
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hil_dev_keyboard_setup(dev);
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break;
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case HIL_IDD_DID_TYPE_REL:
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case HIL_IDD_DID_TYPE_ABS:
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dev->is_pointer = true;
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hil_dev_pointer_setup(dev);
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break;
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default:
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goto bail1;
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}
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if (HIL_IDD_NUM_BUTTONS(idd) || HIL_IDD_NUM_AXES_PER_SET(*idd)) {
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printk(KERN_INFO PREFIX "keyboards only, no combo devices supported.\n");
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goto bail1;
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}
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input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
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input_dev->ledbit[0] = BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) |
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BIT_MASK(LED_SCROLLL);
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input_dev->keycodemax = HIL_KEYCODES_SET1_TBLSIZE;
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input_dev->keycodesize = sizeof(hil_kbd_set1[0]);
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input_dev->keycode = hil_kbd_set1;
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input_dev->name = strlen(dev->rnm) ? dev->rnm : HIL_GENERIC_NAME;
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input_dev->phys = "hpkbd/input0"; /* XXX */
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input_dev->id.bustype = BUS_HIL;
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input_dev->id.vendor = PCI_VENDOR_ID_HP;
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input_dev->id.product = 0x0001; /* TODO: get from kbd->rsc */
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input_dev->id.version = 0x0100; /* TODO: get from kbd->rsc */
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input_dev->dev.parent = &serio->dev;
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for (i = 0; i < 128; i++) {
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__set_bit(hil_kbd_set1[i], input_dev->keybit);
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__set_bit(hil_kbd_set3[i], input_dev->keybit);
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if (!dev->is_pointer) {
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serio_write(serio, 0);
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serio_write(serio, 0);
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serio_write(serio, HIL_PKT_CMD >> 8);
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/* Enable Keyswitch Autorepeat 1 */
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serio_write(serio, HIL_CMD_EK1);
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/* No need to wait for completion */
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}
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__clear_bit(KEY_RESERVED, input_dev->keybit);
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serio_write(serio, 0);
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serio_write(serio, 0);
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serio_write(serio, HIL_PKT_CMD >> 8);
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serio_write(serio, HIL_CMD_EK1); /* Enable Keyswitch Autorepeat 1 */
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/* No need to wait for completion */
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error = input_register_device(input_dev);
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if (error)
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@ -388,9 +569,9 @@ static struct serio_device_id hil_dev_ids[] = {
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static struct serio_driver hil_serio_drv = {
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.driver = {
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.name = "hil_kbd",
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.name = "hil_dev",
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},
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.description = "HP HIL keyboard driver",
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.description = "HP HIL keyboard/mouse/tablet driver",
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.id_table = hil_dev_ids,
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.connect = hil_dev_connect,
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.disconnect = hil_dev_disconnect,
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@ -262,14 +262,6 @@ config MOUSE_VSXXXAA
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described in the source file). This driver also works with the
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digitizer (VSXXX-AB) DEC produced.
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config MOUSE_HIL
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tristate "HIL pointers (mice etc)."
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depends on GSC || HP300
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select HP_SDC
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select HIL_MLC
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help
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Say Y here to support HIL pointers.
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config MOUSE_GPIO
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tristate "GPIO mouse"
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depends on GENERIC_GPIO
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@ -9,7 +9,6 @@ obj-$(CONFIG_MOUSE_APPLETOUCH) += appletouch.o
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obj-$(CONFIG_MOUSE_ATARI) += atarimouse.o
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obj-$(CONFIG_MOUSE_BCM5974) += bcm5974.o
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obj-$(CONFIG_MOUSE_GPIO) += gpio_mouse.o
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obj-$(CONFIG_MOUSE_HIL) += hil_ptr.o
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obj-$(CONFIG_MOUSE_INPORT) += inport.o
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obj-$(CONFIG_MOUSE_LOGIBM) += logibm.o
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obj-$(CONFIG_MOUSE_MAPLE) += maplemouse.o
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@ -1,447 +0,0 @@
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/*
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* Generic linux-input device driver for axis-bearing devices
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*
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* Copyright (c) 2001 Brian S. Julin
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL").
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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*
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* References:
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* HP-HIL Technical Reference Manual. Hewlett Packard Product No. 45918A
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*
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*/
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#include <linux/hil.h>
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#include <linux/input.h>
|
||||
#include <linux/serio.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/pci_ids.h>
|
||||
|
||||
#define PREFIX "HIL PTR: "
|
||||
#define HIL_GENERIC_NAME "HIL pointer device"
|
||||
|
||||
MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>");
|
||||
MODULE_DESCRIPTION(HIL_GENERIC_NAME " driver");
|
||||
MODULE_LICENSE("Dual BSD/GPL");
|
||||
MODULE_ALIAS("serio:ty03pr25id0Fex*");
|
||||
|
||||
#define TABLET_SIMULATES_MOUSE /* allow tablet to be used as mouse */
|
||||
#undef TABLET_AUTOADJUST /* auto-adjust valid tablet ranges */
|
||||
|
||||
|
||||
#define HIL_PTR_MAX_LENGTH 16
|
||||
|
||||
struct hil_ptr {
|
||||
struct input_dev *dev;
|
||||
struct serio *serio;
|
||||
|
||||
/* Input buffer and index for packets from HIL bus. */
|
||||
hil_packet data[HIL_PTR_MAX_LENGTH];
|
||||
int idx4; /* four counts per packet */
|
||||
|
||||
/* Raw device info records from HIL bus, see hil.h for fields. */
|
||||
char idd[HIL_PTR_MAX_LENGTH]; /* DID byte and IDD record */
|
||||
char rsc[HIL_PTR_MAX_LENGTH]; /* RSC record */
|
||||
char exd[HIL_PTR_MAX_LENGTH]; /* EXD record */
|
||||
char rnm[HIL_PTR_MAX_LENGTH + 1]; /* RNM record + NULL term. */
|
||||
|
||||
/* Extra device details not contained in struct input_dev. */
|
||||
unsigned int nbtn, naxes;
|
||||
unsigned int btnmap[7];
|
||||
|
||||
/* Something to sleep around with. */
|
||||
struct semaphore sem;
|
||||
};
|
||||
|
||||
/* Process a complete packet after transfer from the HIL */
|
||||
static void hil_ptr_process_record(struct hil_ptr *ptr)
|
||||
{
|
||||
struct input_dev *dev = ptr->dev;
|
||||
hil_packet *data = ptr->data;
|
||||
hil_packet p;
|
||||
int idx, i, cnt, laxis;
|
||||
int ax16, absdev;
|
||||
|
||||
idx = ptr->idx4/4;
|
||||
p = data[idx - 1];
|
||||
|
||||
if ((p & ~HIL_CMDCT_POL) ==
|
||||
(HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL))
|
||||
goto report;
|
||||
if ((p & ~HIL_CMDCT_RPL) ==
|
||||
(HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL))
|
||||
goto report;
|
||||
|
||||
/* Not a poll response. See if we are loading config records. */
|
||||
switch (p & HIL_PKT_DATA_MASK) {
|
||||
case HIL_CMD_IDD:
|
||||
for (i = 0; i < idx; i++)
|
||||
ptr->idd[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
|
||||
for (; i < HIL_PTR_MAX_LENGTH; i++)
|
||||
ptr->idd[i] = 0;
|
||||
break;
|
||||
|
||||
case HIL_CMD_RSC:
|
||||
for (i = 0; i < idx; i++)
|
||||
ptr->rsc[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
|
||||
for (; i < HIL_PTR_MAX_LENGTH; i++)
|
||||
ptr->rsc[i] = 0;
|
||||
break;
|
||||
|
||||
case HIL_CMD_EXD:
|
||||
for (i = 0; i < idx; i++)
|
||||
ptr->exd[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
|
||||
for (; i < HIL_PTR_MAX_LENGTH; i++)
|
||||
ptr->exd[i] = 0;
|
||||
break;
|
||||
|
||||
case HIL_CMD_RNM:
|
||||
for (i = 0; i < idx; i++)
|
||||
ptr->rnm[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
|
||||
for (; i < HIL_PTR_MAX_LENGTH + 1; i++)
|
||||
ptr->rnm[i] = 0;
|
||||
break;
|
||||
|
||||
default:
|
||||
/* These occur when device isn't present */
|
||||
if (p == (HIL_ERR_INT | HIL_PKT_CMD))
|
||||
break;
|
||||
/* Anything else we'd like to know about. */
|
||||
printk(KERN_WARNING PREFIX "Device sent unknown record %x\n", p);
|
||||
break;
|
||||
}
|
||||
goto out;
|
||||
|
||||
report:
|
||||
if ((p & HIL_CMDCT_POL) != idx - 1) {
|
||||
printk(KERN_WARNING PREFIX
|
||||
"Malformed poll packet %x (idx = %i)\n", p, idx);
|
||||
goto out;
|
||||
}
|
||||
|
||||
i = (ptr->data[0] & HIL_POL_AXIS_ALT) ? 3 : 0;
|
||||
laxis = ptr->data[0] & HIL_POL_NUM_AXES_MASK;
|
||||
laxis += 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;
|
||||
int up;
|
||||
btn = ptr->data[cnt++];
|
||||
up = btn & 1;
|
||||
btn &= 0xfe;
|
||||
if (btn == 0x8e)
|
||||
continue; /* TODO: proximity == touch? */
|
||||
else
|
||||
if ((btn > 0x8c) || (btn < 0x80))
|
||||
continue;
|
||||
btn = (btn - 0x80) >> 1;
|
||||
btn = ptr->btnmap[btn];
|
||||
input_report_key(dev, btn, !up);
|
||||
}
|
||||
input_sync(dev);
|
||||
out:
|
||||
ptr->idx4 = 0;
|
||||
up(&ptr->sem);
|
||||
}
|
||||
|
||||
static void hil_ptr_process_err(struct hil_ptr *ptr)
|
||||
{
|
||||
printk(KERN_WARNING PREFIX "errored HIL packet\n");
|
||||
ptr->idx4 = 0;
|
||||
up(&ptr->sem);
|
||||
}
|
||||
|
||||
static irqreturn_t hil_ptr_interrupt(struct serio *serio,
|
||||
unsigned char data, unsigned int flags)
|
||||
{
|
||||
struct hil_ptr *ptr;
|
||||
hil_packet packet;
|
||||
int idx;
|
||||
|
||||
ptr = serio_get_drvdata(serio);
|
||||
BUG_ON(ptr == NULL);
|
||||
|
||||
if (ptr->idx4 >= (HIL_PTR_MAX_LENGTH * sizeof(hil_packet))) {
|
||||
hil_ptr_process_err(ptr);
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
idx = ptr->idx4/4;
|
||||
if (!(ptr->idx4 % 4))
|
||||
ptr->data[idx] = 0;
|
||||
packet = ptr->data[idx];
|
||||
packet |= ((hil_packet)data) << ((3 - (ptr->idx4 % 4)) * 8);
|
||||
ptr->data[idx] = packet;
|
||||
|
||||
/* Records of N 4-byte hil_packets must terminate with a command. */
|
||||
if ((++(ptr->idx4)) % 4)
|
||||
return IRQ_HANDLED;
|
||||
if ((packet & 0xffff0000) != HIL_ERR_INT) {
|
||||
hil_ptr_process_err(ptr);
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
if (packet & HIL_PKT_CMD)
|
||||
hil_ptr_process_record(ptr);
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static void hil_ptr_disconnect(struct serio *serio)
|
||||
{
|
||||
struct hil_ptr *ptr;
|
||||
|
||||
ptr = serio_get_drvdata(serio);
|
||||
BUG_ON(ptr == NULL);
|
||||
|
||||
serio_close(serio);
|
||||
input_unregister_device(ptr->dev);
|
||||
kfree(ptr);
|
||||
}
|
||||
|
||||
static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
|
||||
{
|
||||
struct hil_ptr *ptr;
|
||||
const char *txt;
|
||||
unsigned int i, naxsets, btntype;
|
||||
uint8_t did, *idd;
|
||||
int error;
|
||||
|
||||
ptr = kzalloc(sizeof(struct hil_ptr), GFP_KERNEL);
|
||||
if (!ptr)
|
||||
return -ENOMEM;
|
||||
|
||||
ptr->dev = input_allocate_device();
|
||||
if (!ptr->dev) {
|
||||
error = -ENOMEM;
|
||||
goto bail0;
|
||||
}
|
||||
|
||||
error = serio_open(serio, driver);
|
||||
if (error)
|
||||
goto bail1;
|
||||
|
||||
serio_set_drvdata(serio, ptr);
|
||||
ptr->serio = serio;
|
||||
|
||||
init_MUTEX_LOCKED(&ptr->sem);
|
||||
|
||||
/* Get device info. MLC driver supplies devid/status/etc. */
|
||||
serio_write(serio, 0);
|
||||
serio_write(serio, 0);
|
||||
serio_write(serio, HIL_PKT_CMD >> 8);
|
||||
serio_write(serio, HIL_CMD_IDD);
|
||||
down(&ptr->sem);
|
||||
|
||||
serio_write(serio, 0);
|
||||
serio_write(serio, 0);
|
||||
serio_write(serio, HIL_PKT_CMD >> 8);
|
||||
serio_write(serio, HIL_CMD_RSC);
|
||||
down(&ptr->sem);
|
||||
|
||||
serio_write(serio, 0);
|
||||
serio_write(serio, 0);
|
||||
serio_write(serio, HIL_PKT_CMD >> 8);
|
||||
serio_write(serio, HIL_CMD_RNM);
|
||||
down(&ptr->sem);
|
||||
|
||||
serio_write(serio, 0);
|
||||
serio_write(serio, 0);
|
||||
serio_write(serio, HIL_PKT_CMD >> 8);
|
||||
serio_write(serio, HIL_CMD_EXD);
|
||||
down(&ptr->sem);
|
||||
|
||||
up(&ptr->sem);
|
||||
|
||||
did = ptr->idd[0];
|
||||
idd = ptr->idd + 1;
|
||||
txt = "unknown";
|
||||
|
||||
if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) {
|
||||
ptr->dev->evbit[0] = BIT_MASK(EV_REL);
|
||||
txt = "relative";
|
||||
}
|
||||
|
||||
if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_ABS) {
|
||||
ptr->dev->evbit[0] = BIT_MASK(EV_ABS);
|
||||
txt = "absolute";
|
||||
}
|
||||
|
||||
if (!ptr->dev->evbit[0]) {
|
||||
error = -ENODEV;
|
||||
goto bail2;
|
||||
}
|
||||
|
||||
ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd);
|
||||
if (ptr->nbtn)
|
||||
ptr->dev->evbit[0] |= BIT_MASK(EV_KEY);
|
||||
|
||||
naxsets = HIL_IDD_NUM_AXSETS(*idd);
|
||||
ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd);
|
||||
|
||||
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);
|
||||
|
||||
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, ptr->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;
|
||||
}
|
||||
|
||||
if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) {
|
||||
for (i = 0; i < ptr->naxes; i++)
|
||||
set_bit(REL_X + i, ptr->dev->relbit);
|
||||
for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++)
|
||||
set_bit(REL_X + i, ptr->dev->relbit);
|
||||
} else {
|
||||
for (i = 0; i < ptr->naxes; i++) {
|
||||
set_bit(ABS_X + i, ptr->dev->absbit);
|
||||
ptr->dev->absmin[ABS_X + i] = 0;
|
||||
ptr->dev->absmax[ABS_X + i] =
|
||||
HIL_IDD_AXIS_MAX((ptr->idd + 1), i);
|
||||
}
|
||||
for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) {
|
||||
set_bit(ABS_X + i, ptr->dev->absbit);
|
||||
ptr->dev->absmin[ABS_X + i] = 0;
|
||||
ptr->dev->absmax[ABS_X + i] =
|
||||
HIL_IDD_AXIS_MAX((ptr->idd + 1), (i - 3));
|
||||
}
|
||||
#ifdef TABLET_AUTOADJUST
|
||||
for (i = 0; i < ABS_MAX; i++) {
|
||||
int diff = ptr->dev->absmax[ABS_X + i] / 10;
|
||||
ptr->dev->absmin[ABS_X + i] += diff;
|
||||
ptr->dev->absmax[ABS_X + i] -= diff;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
ptr->dev->name = strlen(ptr->rnm) ? ptr->rnm : HIL_GENERIC_NAME;
|
||||
|
||||
ptr->dev->id.bustype = BUS_HIL;
|
||||
ptr->dev->id.vendor = PCI_VENDOR_ID_HP;
|
||||
ptr->dev->id.product = 0x0001; /* TODO: get from ptr->rsc */
|
||||
ptr->dev->id.version = 0x0100; /* TODO: get from ptr->rsc */
|
||||
ptr->dev->dev.parent = &serio->dev;
|
||||
|
||||
error = input_register_device(ptr->dev);
|
||||
if (error) {
|
||||
printk(KERN_INFO PREFIX "Unable to register input device\n");
|
||||
goto bail2;
|
||||
}
|
||||
|
||||
printk(KERN_INFO "input: %s (%s), ID: %d\n",
|
||||
ptr->dev->name,
|
||||
(btntype == BTN_MOUSE) ? "HIL mouse":"HIL tablet or touchpad",
|
||||
did);
|
||||
|
||||
return 0;
|
||||
|
||||
bail2:
|
||||
serio_close(serio);
|
||||
bail1:
|
||||
input_free_device(ptr->dev);
|
||||
bail0:
|
||||
kfree(ptr);
|
||||
serio_set_drvdata(serio, NULL);
|
||||
return error;
|
||||
}
|
||||
|
||||
static struct serio_device_id hil_ptr_ids[] = {
|
||||
{
|
||||
.type = SERIO_HIL_MLC,
|
||||
.proto = SERIO_HIL,
|
||||
.id = SERIO_ANY,
|
||||
.extra = SERIO_ANY,
|
||||
},
|
||||
{ 0 }
|
||||
};
|
||||
|
||||
static struct serio_driver hil_ptr_serio_driver = {
|
||||
.driver = {
|
||||
.name = "hil_ptr",
|
||||
},
|
||||
.description = "HP HIL mouse/tablet driver",
|
||||
.id_table = hil_ptr_ids,
|
||||
.connect = hil_ptr_connect,
|
||||
.disconnect = hil_ptr_disconnect,
|
||||
.interrupt = hil_ptr_interrupt
|
||||
};
|
||||
|
||||
static int __init hil_ptr_init(void)
|
||||
{
|
||||
return serio_register_driver(&hil_ptr_serio_driver);
|
||||
}
|
||||
|
||||
static void __exit hil_ptr_exit(void)
|
||||
{
|
||||
serio_unregister_driver(&hil_ptr_serio_driver);
|
||||
}
|
||||
|
||||
module_init(hil_ptr_init);
|
||||
module_exit(hil_ptr_exit);
|
||||
Loading…
Reference in New Issue
Block a user