From 1953ea2d8df48f33d2a79042ae1b4a2d5f1548a3 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 4 Nov 2007 00:41:24 -0400 Subject: [PATCH] Input: keyspan_remote - add support for loadable keymaps Signed-off-by: Dmitry Torokhov --- drivers/input/misc/keyspan_remote.c | 118 ++++++++++++++++------------ 1 file changed, 67 insertions(+), 51 deletions(-) diff --git a/drivers/input/misc/keyspan_remote.c b/drivers/input/misc/keyspan_remote.c index fd74347047dd..86ddd72dbe3d 100644 --- a/drivers/input/misc/keyspan_remote.c +++ b/drivers/input/misc/keyspan_remote.c @@ -46,53 +46,12 @@ MODULE_PARM_DESC(debug, "Enable extra debug messages and information"); #define RECV_SIZE 8 /* The UIA-11 type have a 8 byte limit. */ -/* table of devices that work with this driver */ -static struct usb_device_id keyspan_table[] = { - { USB_DEVICE(USB_KEYSPAN_VENDOR_ID, USB_KEYSPAN_PRODUCT_UIA11) }, - { } /* Terminating entry */ -}; - -/* Structure to store all the real stuff that a remote sends to us. */ -struct keyspan_message { - u16 system; - u8 button; - u8 toggle; -}; - -/* Structure used for all the bit testing magic needed to be done. */ -struct bit_tester { - u32 tester; - int len; - int pos; - int bits_left; - u8 buffer[32]; -}; - -/* Structure to hold all of our driver specific stuff */ -struct usb_keyspan { - char name[128]; - char phys[64]; - struct usb_device* udev; - struct input_dev *input; - struct usb_interface* interface; - struct usb_endpoint_descriptor* in_endpoint; - struct urb* irq_urb; - int open; - dma_addr_t in_dma; - unsigned char* in_buffer; - - /* variables used to parse messages from remote. */ - struct bit_tester data; - int stage; - int toggle; -}; - /* * Table that maps the 31 possible keycodes to input keys. * Currently there are 15 and 17 button models so RESERVED codes * are blank areas in the mapping. */ -static const int keyspan_key_table[] = { +static const unsigned short keyspan_key_table[] = { KEY_RESERVED, /* 0 is just a place holder. */ KEY_RESERVED, KEY_STOP, @@ -127,6 +86,48 @@ static const int keyspan_key_table[] = { KEY_MENU }; +/* table of devices that work with this driver */ +static struct usb_device_id keyspan_table[] = { + { USB_DEVICE(USB_KEYSPAN_VENDOR_ID, USB_KEYSPAN_PRODUCT_UIA11) }, + { } /* Terminating entry */ +}; + +/* Structure to store all the real stuff that a remote sends to us. */ +struct keyspan_message { + u16 system; + u8 button; + u8 toggle; +}; + +/* Structure used for all the bit testing magic needed to be done. */ +struct bit_tester { + u32 tester; + int len; + int pos; + int bits_left; + u8 buffer[32]; +}; + +/* Structure to hold all of our driver specific stuff */ +struct usb_keyspan { + char name[128]; + char phys[64]; + unsigned short keymap[ARRAY_SIZE(keyspan_key_table)]; + struct usb_device *udev; + struct input_dev *input; + struct usb_interface *interface; + struct usb_endpoint_descriptor *in_endpoint; + struct urb* irq_urb; + int open; + dma_addr_t in_dma; + unsigned char *in_buffer; + + /* variables used to parse messages from remote. */ + struct bit_tester data; + int stage; + int toggle; +}; + static struct usb_driver keyspan_driver; /* @@ -173,6 +174,15 @@ static int keyspan_load_tester(struct usb_keyspan* dev, int bits_needed) return 0; } +static void keyspan_report_button(struct usb_keyspan *remote, int button, int press) +{ + struct input_dev *input = remote->input; + + input_event(input, EV_MSC, MSC_SCAN, button); + input_report_key(input, remote->keymap[button], press); + input_sync(input); +} + /* * Routine that handles all the logic needed to parse out the message from the remote. */ @@ -311,9 +321,8 @@ static void keyspan_check_data(struct usb_keyspan *remote) __FUNCTION__, message.system, message.button, message.toggle); if (message.toggle != remote->toggle) { - input_report_key(remote->input, keyspan_key_table[message.button], 1); - input_report_key(remote->input, keyspan_key_table[message.button], 0); - input_sync(remote->input); + keyspan_report_button(remote, message.button, 1); + keyspan_report_button(remote, message.button, 0); remote->toggle = message.toggle; } @@ -491,16 +500,21 @@ static int keyspan_probe(struct usb_interface *interface, const struct usb_devic usb_make_path(udev, remote->phys, sizeof(remote->phys)); strlcat(remote->phys, "/input0", sizeof(remote->phys)); + memcpy(remote->keymap, keyspan_key_table, sizeof(remote->keymap)); input_dev->name = remote->name; input_dev->phys = remote->phys; usb_to_input_id(udev, &input_dev->id); input_dev->dev.parent = &interface->dev; + input_dev->keycode = remote->keymap; + input_dev->keycodesize = sizeof(unsigned short); + input_dev->keycodemax = ARRAY_SIZE(remote->keymap); - input_dev->evbit[0] = BIT_MASK(EV_KEY); /* We will only report KEY events. */ + input_set_capability(input_dev, EV_MSC, MSC_SCAN); + __set_bit(EV_KEY, input_dev->evbit); for (i = 0; i < ARRAY_SIZE(keyspan_key_table); i++) - if (keyspan_key_table[i] != KEY_RESERVED) - set_bit(keyspan_key_table[i], input_dev->keybit); + __set_bit(keyspan_key_table[i], input_dev->keybit); + __clear_bit(KEY_RESERVED, input_dev->keybit); input_set_drvdata(input_dev, remote); @@ -508,12 +522,14 @@ static int keyspan_probe(struct usb_interface *interface, const struct usb_devic input_dev->close = keyspan_close; /* - * Initialize the URB to access the device. The urb gets sent to the device in keyspan_open() + * Initialize the URB to access the device. + * The urb gets sent to the device in keyspan_open() */ usb_fill_int_urb(remote->irq_urb, - remote->udev, usb_rcvintpipe(remote->udev, remote->in_endpoint->bEndpointAddress), + remote->udev, + usb_rcvintpipe(remote->udev, endpoint->bEndpointAddress), remote->in_buffer, RECV_SIZE, keyspan_irq_recv, remote, - remote->in_endpoint->bInterval); + endpoint->bInterval); remote->irq_urb->transfer_dma = remote->in_dma; remote->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;