diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-08-08 06:17:47 (GMT) |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-08-09 20:27:27 (GMT) |
commit | fa71c605c2bb4d816514c2611ad53f48007f1fd3 (patch) | |
tree | 9f57765287a2c2a7623ba6b5031e2897c01e5216 /drivers/input/keyboard | |
parent | 1437dc3089911d42180be11c50a0b960250a1d87 (diff) | |
download | linux-fa71c605c2bb4d816514c2611ad53f48007f1fd3.tar.xz |
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/Kconfig | 5 | ||||
-rw-r--r-- | drivers/input/keyboard/hil_kbd.c | 251 |
2 files changed, 219 insertions, 37 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index a6b989a..5239e25 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 235a669..c83f4b2 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, |