From c5f01d41af3dfdfbf7e9d6ac8c36fdb899b18566 Mon Sep 17 00:00:00 2001 From: Ondra Havel Date: Wed, 2 Nov 2011 20:39:35 +0100 Subject: [PATCH] v0.4 linux patch approach --- hanvon.c | 118 +++++++++++++++++++++++++++++-------------------------- 1 file changed, 62 insertions(+), 56 deletions(-) diff --git a/hanvon.c b/hanvon.c index 9790cb2..e964b11 100644 --- a/hanvon.c +++ b/hanvon.c @@ -5,9 +5,9 @@ #include #include -#define DRIVER_VERSION "v0.3b" +#define DRIVER_VERSION "0.4" #define DRIVER_AUTHOR "Ondra Havel " -#define DRIVER_DESC "USB Hanvon AM0806,AM1209 tablet driver" +#define DRIVER_DESC "USB Hanvon Art Master I (AM0806 and AM1209) tablet driver" #define DRIVER_LICENSE "GPL" MODULE_AUTHOR(DRIVER_AUTHOR); @@ -15,12 +15,21 @@ MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE(DRIVER_LICENSE); #define USB_VENDOR_ID_HANVON 0x0b57 +#define USB_PRODUCT_ID_AM0806 0x8502 +#define USB_PRODUCT_ID_AM1209 0x8501 +#define USB_AM_PACKET_LEN 10 -#define B0 BTN_0 -#define B1 BTN_1 -#define B2 BTN_2 -#define B3 BTN_3 -#define WHEEL_THRESHOLD 4 +#define AM_BUTTON_0 BTN_0 +#define AM_BUTTON_1 BTN_1 +#define AM_BUTTON_2 BTN_2 +#define AM_BUTTON_3 BTN_3 +#define AM_WHEEL_THRESHOLD 4 + +#define AM_MAX_ABS_X 0x27de +#define AM_MAX_ABS_Y 0x1cfe +#define AM_MAX_TILT_X 0x3f +#define AM_MAX_TILT_Y 0x7f +#define AM_MAX_PRESSURE 0x400 struct hanvon { unsigned char *data; @@ -55,37 +64,35 @@ static void hanvon_irq(struct urb *urb) } switch(data[0]) { - case 0x01: // button press - if((data[2] & 0xf0) == 0xa0) { - input_report_key(dev, B1, data[2] & 0x02); - input_report_key(dev, B2, data[2] & 0x04); - input_report_key(dev, B3, data[2] & 0x08); - } else { - if(data[2] <= 0x3f) { // slider area active - int diff = data[2] - hanvon->old_wheel_pos; - if(abs(diff) < WHEEL_THRESHOLD) - input_report_rel(dev, REL_WHEEL, diff); + case 0x01: /* button press */ + if((data[2] & 0xf0) == 0xa0) { + input_report_key(dev, AM_BUTTON_1, data[2] & 0x02); + input_report_key(dev, AM_BUTTON_2, data[2] & 0x04); + input_report_key(dev, AM_BUTTON_3, data[2] & 0x08); + } else { + if(data[2] <= 0x3f) { /* slider area active */ + int diff = data[2] - hanvon->old_wheel_pos; + if(abs(diff) < AM_WHEEL_THRESHOLD) + input_report_rel(dev, REL_WHEEL, diff); - hanvon->old_wheel_pos = data[2]; - } + hanvon->old_wheel_pos = data[2]; } + } + break; + + case 0x02: /* position change */ + if((data[1] & 0xf0) != 0) { + input_report_abs(dev, ABS_X, get_unaligned_be16(&data[2])); + input_report_abs(dev, ABS_Y, get_unaligned_be16(&data[4])); + input_report_abs(dev, ABS_TILT_X, data[7] & 0x3f); + input_report_abs(dev, ABS_TILT_Y, data[8]); + input_report_abs(dev, ABS_PRESSURE, get_unaligned_be16(&data[6])>>6); + } - break; - - case 0x02: // position change - if((data[1] & 0xf0) != 0) { - input_report_abs(dev, ABS_X, get_unaligned_be16(&data[2])); - input_report_abs(dev, ABS_Y, get_unaligned_be16(&data[4])); - input_report_abs(dev, ABS_TILT_X, data[7] & 0x3f); - input_report_abs(dev, ABS_TILT_Y, data[8]); - input_report_abs(dev, ABS_PRESSURE, get_unaligned_be16(&data[6])>>6); - } - - input_report_key(dev, BTN_LEFT, data[1] & 0x1); - input_report_key(dev, BTN_RIGHT, data[1] & 0x2); // stylus button pressed (right click) - input_report_key(dev, B0, data[1] & 0x20); - - break; + input_report_key(dev, BTN_LEFT, data[1] & 0x1); + input_report_key(dev, BTN_RIGHT, data[1] & 0x2); /* stylus button pressed (right click) */ + input_report_key(dev, AM_BUTTON_0, data[1] & 0x20); + break; } input_sync(dev); @@ -97,8 +104,8 @@ exit: } static struct usb_device_id hanvon_ids[] = { - { USB_DEVICE(USB_VENDOR_ID_HANVON, 0x8501), .driver_info = 0 }, // ArtMaster 1209 - { USB_DEVICE(USB_VENDOR_ID_HANVON, 0x8502), .driver_info = 0 }, // ArtMaster 0806 + { USB_DEVICE(USB_VENDOR_ID_HANVON, USB_PRODUCT_ID_AM1209) }, + { USB_DEVICE(USB_VENDOR_ID_HANVON, USB_PRODUCT_ID_AM0806) }, { } }; @@ -108,7 +115,7 @@ static int hanvon_open(struct input_dev *dev) { struct hanvon *hanvon = input_get_drvdata(dev); - hanvon->old_wheel_pos = -WHEEL_THRESHOLD-1; + hanvon->old_wheel_pos = -AM_WHEEL_THRESHOLD-1; hanvon->irq->dev = hanvon->usbdev; if (usb_submit_urb(hanvon->irq, GFP_KERNEL)) return -EIO; @@ -136,7 +143,7 @@ static int hanvon_probe(struct usb_interface *intf, const struct usb_device_id * if (!hanvon || !input_dev) goto fail1; - hanvon->data = (unsigned char *)usb_alloc_coherent(dev, 10, GFP_KERNEL, &hanvon->data_dma); + hanvon->data = (unsigned char *)usb_alloc_coherent(dev, USB_AM_PACKET_LEN, GFP_KERNEL, &hanvon->data_dma); if (!hanvon->data) goto fail1; @@ -150,7 +157,7 @@ static int hanvon_probe(struct usb_interface *intf, const struct usb_device_id * usb_make_path(dev, hanvon->phys, sizeof(hanvon->phys)); strlcat(hanvon->phys, "/input0", sizeof(hanvon->phys)); - input_dev->name = "Hanvon AM0806 Tablet"; + input_dev->name = "Hanvon Art Master Tablet"; input_dev->phys = hanvon->phys; usb_to_input_id(dev, &input_dev->id); input_dev->dev.parent = &intf->dev; @@ -161,26 +168,25 @@ static int hanvon_probe(struct usb_interface *intf, const struct usb_device_id * input_dev->close = hanvon_close; input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) | BIT_MASK(EV_REL); - //input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(B0) | BIT_MASK(B1) | BIT_MASK(B2) | BIT_MASK(B3) | input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_PEN) | BIT_MASK(BTN_TOUCH); input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT); - __set_bit(B0, input_dev->keybit); - __set_bit(B1, input_dev->keybit); - __set_bit(B2, input_dev->keybit); - __set_bit(B3, input_dev->keybit); + __set_bit(AM_BUTTON_0, input_dev->keybit); + __set_bit(AM_BUTTON_1, input_dev->keybit); + __set_bit(AM_BUTTON_2, input_dev->keybit); + __set_bit(AM_BUTTON_3, input_dev->keybit); - input_set_abs_params(input_dev, ABS_X, 0, 0x27de, 4, 0); - input_set_abs_params(input_dev, ABS_Y, 0, 0x1cfe, 4, 0); - input_set_abs_params(input_dev, ABS_TILT_X, 0, 0x3f, 0, 0); - input_set_abs_params(input_dev, ABS_TILT_Y, 0, 0x7f, 0, 0); - input_set_abs_params(input_dev, ABS_PRESSURE, 0, 0x400, 0, 0); + input_set_abs_params(input_dev, ABS_X, 0, AM_MAX_ABS_X, 4, 0); + input_set_abs_params(input_dev, ABS_Y, 0, AM_MAX_ABS_Y, 4, 0); + input_set_abs_params(input_dev, ABS_TILT_X, 0, AM_MAX_TILT_X, 0, 0); + input_set_abs_params(input_dev, ABS_TILT_Y, 0, AM_MAX_TILT_Y, 0, 0); + input_set_abs_params(input_dev, ABS_PRESSURE, 0, AM_MAX_PRESSURE, 0, 0); input_set_capability(input_dev, EV_REL, REL_WHEEL); endpoint = &intf->cur_altsetting->endpoint[0].desc; usb_fill_int_urb(hanvon->irq, dev, usb_rcvintpipe(dev, endpoint->bEndpointAddress), - hanvon->data, 10, + hanvon->data, USB_AM_PACKET_LEN, hanvon_irq, hanvon, endpoint->bInterval); hanvon->irq->transfer_dma = hanvon->data_dma; hanvon->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; @@ -192,9 +198,9 @@ static int hanvon_probe(struct usb_interface *intf, const struct usb_device_id * usb_set_intfdata(intf, hanvon); return 0; - fail3: usb_free_urb(hanvon->irq); - fail2: usb_free_coherent(dev, 10, hanvon->data, hanvon->data_dma); - fail1: input_free_device(input_dev); +fail3: usb_free_urb(hanvon->irq); +fail2: usb_free_coherent(dev, USB_AM_PACKET_LEN, hanvon->data, hanvon->data_dma); +fail1: input_free_device(input_dev); kfree(hanvon); return error; } @@ -208,7 +214,7 @@ static void hanvon_disconnect(struct usb_interface *intf) usb_kill_urb(hanvon->irq); input_unregister_device(hanvon->dev); usb_free_urb(hanvon->irq); - usb_free_coherent(interface_to_usbdev(intf), 10, hanvon->data, hanvon->data_dma); + usb_free_coherent(interface_to_usbdev(intf), USB_AM_PACKET_LEN, hanvon->data, hanvon->data_dma); kfree(hanvon); } } @@ -227,7 +233,7 @@ static int __init hanvon_init(void) if((rv = usb_register(&hanvon_driver)) != 0) return rv; - printk(DRIVER_VERSION ":" DRIVER_DESC "\n"); + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" DRIVER_DESC "\n"); return 0; }