[media] imon: Define keytables per USB Device Id

This patch defines the keytables per USB Device ID.

Signed-off-by: Ulrich Eckhardt <uli@uli-eckhardt.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

1 files changed, 173 insertions, 93 deletions

diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c
index 7115e68ba697..3fc759537cc6 100644
--- a/drivers/media/rc/imon.c
+++ b/drivers/media/rc/imon.c
@@ -87,6 +87,18 @@ static ssize_t lcd_write(struct file *file, const char __user *buf,
 
 /*** G L O B A L S ***/
 
+struct imon_panel_key_table {
+        u64 hw_code;
+        u32 keycode;
+};
+
+struct imon_usb_dev_descr {
+        __u16 flags;
+#define IMON_NO_FLAGS 0
+#define IMON_NEED_20MS_PKT_DELAY 1
+        struct imon_panel_key_table key_table[];
+};
+
 struct imon_context {
         struct device *dev;
         /* Newer devices have two interfaces */
@@ -150,6 +162,8 @@ struct imon_context {
         struct timer_list ttimer;       /* touch screen timer */
         int touch_x;                    /* x coordinate on touchscreen */
         int touch_y;                    /* y coordinate on touchscreen */
+        struct imon_usb_dev_descr *dev_descr; /* device description with key
+                                                 table for front panels */
 };
 
 #define TOUCH_TIMEOUT   (HZ/30)
@@ -186,8 +200,111 @@ enum {
         IMON_KEY_PANEL  = 2,
 };
 
-enum {
-        IMON_NEED_20MS_PKT_DELAY = 1
+static struct usb_class_driver imon_vfd_class = {
+        .name           = DEVICE_NAME,
+        .fops           = &vfd_fops,
+        .minor_base     = DISPLAY_MINOR_BASE,
+};
+
+static struct usb_class_driver imon_lcd_class = {
+        .name           = DEVICE_NAME,
+        .fops           = &lcd_fops,
+        .minor_base     = DISPLAY_MINOR_BASE,
+};
+
+/* imon receiver front panel/knob key table */
+static const struct imon_usb_dev_descr imon_default_table = {
+        .flags = IMON_NO_FLAGS,
+        .key_table = {
+                { 0x000000000f00ffeell, KEY_MEDIA }, /* Go */
+                { 0x000000001200ffeell, KEY_UP },
+                { 0x000000001300ffeell, KEY_DOWN },
+                { 0x000000001400ffeell, KEY_LEFT },
+                { 0x000000001500ffeell, KEY_RIGHT },
+                { 0x000000001600ffeell, KEY_ENTER },
+                { 0x000000001700ffeell, KEY_ESC },
+                { 0x000000001f00ffeell, KEY_AUDIO },
+                { 0x000000002000ffeell, KEY_VIDEO },
+                { 0x000000002100ffeell, KEY_CAMERA },
+                { 0x000000002700ffeell, KEY_DVD },
+                { 0x000000002300ffeell, KEY_TV },
+                { 0x000000002b00ffeell, KEY_EXIT },
+                { 0x000000002c00ffeell, KEY_SELECT },
+                { 0x000000002d00ffeell, KEY_MENU },
+                { 0x000000000500ffeell, KEY_PREVIOUS },
+                { 0x000000000700ffeell, KEY_REWIND },
+                { 0x000000000400ffeell, KEY_STOP },
+                { 0x000000003c00ffeell, KEY_PLAYPAUSE },
+                { 0x000000000800ffeell, KEY_FASTFORWARD },
+                { 0x000000000600ffeell, KEY_NEXT },
+                { 0x000000010000ffeell, KEY_RIGHT },
+                { 0x000001000000ffeell, KEY_LEFT },
+                { 0x000000003d00ffeell, KEY_SELECT },
+                { 0x000100000000ffeell, KEY_VOLUMEUP },
+                { 0x010000000000ffeell, KEY_VOLUMEDOWN },
+                { 0x000000000100ffeell, KEY_MUTE },
+                /* 0xffdc iMON MCE VFD */
+                { 0x00010000ffffffeell, KEY_VOLUMEUP },
+                { 0x01000000ffffffeell, KEY_VOLUMEDOWN },
+                { 0x00000001ffffffeell, KEY_MUTE },
+                { 0x0000000fffffffeell, KEY_MEDIA },
+                { 0x00000012ffffffeell, KEY_UP },
+                { 0x00000013ffffffeell, KEY_DOWN },
+                { 0x00000014ffffffeell, KEY_LEFT },
+                { 0x00000015ffffffeell, KEY_RIGHT },
+                { 0x00000016ffffffeell, KEY_ENTER },
+                { 0x00000017ffffffeell, KEY_ESC },
+                /* iMON Knob values */
+                { 0x000100ffffffffeell, KEY_VOLUMEUP },
+                { 0x010000ffffffffeell, KEY_VOLUMEDOWN },
+                { 0x000008ffffffffeell, KEY_MUTE },
+                { 0, KEY_RESERVED },
+        }
+};
+
+static const struct imon_usb_dev_descr imon_OEM_VFD = {
+        .flags = IMON_NEED_20MS_PKT_DELAY,
+        .key_table = {
+                { 0x000000000f00ffeell, KEY_MEDIA }, /* Go */
+                { 0x000000001200ffeell, KEY_UP },
+                { 0x000000001300ffeell, KEY_DOWN },
+                { 0x000000001400ffeell, KEY_LEFT },
+                { 0x000000001500ffeell, KEY_RIGHT },
+                { 0x000000001600ffeell, KEY_ENTER },
+                { 0x000000001700ffeell, KEY_ESC },
+                { 0x000000001f00ffeell, KEY_AUDIO },
+                { 0x000000002b00ffeell, KEY_EXIT },
+                { 0x000000002c00ffeell, KEY_SELECT },
+                { 0x000000002d00ffeell, KEY_MENU },
+                { 0x000000000500ffeell, KEY_PREVIOUS },
+                { 0x000000000700ffeell, KEY_REWIND },
+                { 0x000000000400ffeell, KEY_STOP },
+                { 0x000000003c00ffeell, KEY_PLAYPAUSE },
+                { 0x000000000800ffeell, KEY_FASTFORWARD },
+                { 0x000000000600ffeell, KEY_NEXT },
+                { 0x000000010000ffeell, KEY_RIGHT },
+                { 0x000001000000ffeell, KEY_LEFT },
+                { 0x000000003d00ffeell, KEY_SELECT },
+                { 0x000100000000ffeell, KEY_VOLUMEUP },
+                { 0x010000000000ffeell, KEY_VOLUMEDOWN },
+                { 0x000000000100ffeell, KEY_MUTE },
+                /* 0xffdc iMON MCE VFD */
+                { 0x00010000ffffffeell, KEY_VOLUMEUP },
+                { 0x01000000ffffffeell, KEY_VOLUMEDOWN },
+                { 0x00000001ffffffeell, KEY_MUTE },
+                { 0x0000000fffffffeell, KEY_MEDIA },
+                { 0x00000012ffffffeell, KEY_UP },
+                { 0x00000013ffffffeell, KEY_DOWN },
+                { 0x00000014ffffffeell, KEY_LEFT },
+                { 0x00000015ffffffeell, KEY_RIGHT },
+                { 0x00000016ffffffeell, KEY_ENTER },
+                { 0x00000017ffffffeell, KEY_ESC },
+                /* iMON Knob values */
+                { 0x000100ffffffffeell, KEY_VOLUMEUP },
+                { 0x010000ffffffffeell, KEY_VOLUMEDOWN },
+                { 0x000008ffffffffeell, KEY_MUTE },
+                { 0, KEY_RESERVED },
+        }
 };
 
 /*
@@ -208,7 +325,8 @@ static struct usb_device_id imon_usb_id_table[] = {
          * SoundGraph iMON PAD (IR & LCD)
          * SoundGraph iMON Knob (IR only)
          */
-        { USB_DEVICE(0x15c2, 0xffdc) },
+        { USB_DEVICE(0x15c2, 0xffdc),
+          .driver_info = (unsigned long)&imon_default_table },
 
         /*
          * Newer devices, all driven by the latest iMON Windows driver, full
@@ -216,43 +334,62 @@ static struct usb_device_id imon_usb_id_table[] = {
          * Need user input to fill in details on unknown devices.
          */
         /* SoundGraph iMON OEM Touch LCD (IR & 7" VGA LCD) */
-        { USB_DEVICE(0x15c2, 0x0034) },
+        { USB_DEVICE(0x15c2, 0x0034),
+          .driver_info = (unsigned long)&imon_default_table },
         /* SoundGraph iMON OEM Touch LCD (IR & 4.3" VGA LCD) */
-        { USB_DEVICE(0x15c2, 0x0035) },
+        { USB_DEVICE(0x15c2, 0x0035),
+          .driver_info = (unsigned long)&imon_default_table},
         /* SoundGraph iMON OEM VFD (IR & VFD) */
-        { USB_DEVICE(0x15c2, 0x0036), .driver_info = IMON_NEED_20MS_PKT_DELAY },
+        { USB_DEVICE(0x15c2, 0x0036),
+          .driver_info = (unsigned long)&imon_OEM_VFD },
         /* device specifics unknown */
-        { USB_DEVICE(0x15c2, 0x0037) },
+        { USB_DEVICE(0x15c2, 0x0037),
+          .driver_info = (unsigned long)&imon_default_table},
         /* SoundGraph iMON OEM LCD (IR & LCD) */
-        { USB_DEVICE(0x15c2, 0x0038) },
+        { USB_DEVICE(0x15c2, 0x0038),
+          .driver_info = (unsigned long)&imon_default_table},
         /* SoundGraph iMON UltraBay (IR & LCD) */
-        { USB_DEVICE(0x15c2, 0x0039) },
+        { USB_DEVICE(0x15c2, 0x0039),
+          .driver_info = (unsigned long)&imon_default_table},
         /* device specifics unknown */
-        { USB_DEVICE(0x15c2, 0x003a) },
+        { USB_DEVICE(0x15c2, 0x003a),
+          .driver_info = (unsigned long)&imon_default_table},
         /* device specifics unknown */
-        { USB_DEVICE(0x15c2, 0x003b) },
+        { USB_DEVICE(0x15c2, 0x003b),
+          .driver_info = (unsigned long)&imon_default_table},
         /* SoundGraph iMON OEM Inside (IR only) */
-        { USB_DEVICE(0x15c2, 0x003c) },
+        { USB_DEVICE(0x15c2, 0x003c),
+          .driver_info = (unsigned long)&imon_default_table},
         /* device specifics unknown */
-        { USB_DEVICE(0x15c2, 0x003d) },
+        { USB_DEVICE(0x15c2, 0x003d),
+          .driver_info = (unsigned long)&imon_default_table},
         /* device specifics unknown */
-        { USB_DEVICE(0x15c2, 0x003e) },
+        { USB_DEVICE(0x15c2, 0x003e),
+          .driver_info = (unsigned long)&imon_default_table},
         /* device specifics unknown */
-        { USB_DEVICE(0x15c2, 0x003f) },
+        { USB_DEVICE(0x15c2, 0x003f),
+          .driver_info = (unsigned long)&imon_default_table},
         /* device specifics unknown */
-        { USB_DEVICE(0x15c2, 0x0040) },
+        { USB_DEVICE(0x15c2, 0x0040),
+          .driver_info = (unsigned long)&imon_default_table},
         /* SoundGraph iMON MINI (IR only) */
-        { USB_DEVICE(0x15c2, 0x0041) },
+        { USB_DEVICE(0x15c2, 0x0041),
+          .driver_info = (unsigned long)&imon_default_table},
         /* Antec Veris Multimedia Station EZ External (IR only) */
-        { USB_DEVICE(0x15c2, 0x0042) },
+        { USB_DEVICE(0x15c2, 0x0042),
+          .driver_info = (unsigned long)&imon_default_table},
         /* Antec Veris Multimedia Station Basic Internal (IR only) */
-        { USB_DEVICE(0x15c2, 0x0043) },
+        { USB_DEVICE(0x15c2, 0x0043),
+          .driver_info = (unsigned long)&imon_default_table},
         /* Antec Veris Multimedia Station Elite (IR & VFD) */
-        { USB_DEVICE(0x15c2, 0x0044) },
+        { USB_DEVICE(0x15c2, 0x0044),
+          .driver_info = (unsigned long)&imon_default_table},
         /* Antec Veris Multimedia Station Premiere (IR & LCD) */
-        { USB_DEVICE(0x15c2, 0x0045) },
+        { USB_DEVICE(0x15c2, 0x0045),
+          .driver_info = (unsigned long)&imon_default_table},
         /* device specifics unknown */
-        { USB_DEVICE(0x15c2, 0x0046) },
+        { USB_DEVICE(0x15c2, 0x0046),
+          .driver_info = (unsigned long)&imon_default_table},
         {}
 };
 
@@ -266,67 +403,6 @@ static struct usb_driver imon_driver = {
         .id_table       = imon_usb_id_table,
 };
 
-static struct usb_class_driver imon_vfd_class = {
-        .name           = DEVICE_NAME,
-        .fops           = &vfd_fops,
-        .minor_base     = DISPLAY_MINOR_BASE,
-};
-
-static struct usb_class_driver imon_lcd_class = {
-        .name           = DEVICE_NAME,
-        .fops           = &lcd_fops,
-        .minor_base     = DISPLAY_MINOR_BASE,
-};
-
-/* imon receiver front panel/knob key table */
-static const struct {
-        u64 hw_code;
-        u32 keycode;
-} imon_panel_key_table[] = {
-        { 0x000000000f00ffeell, KEY_MEDIA }, /* Go */
-        { 0x000000001200ffeell, KEY_UP },
-        { 0x000000001300ffeell, KEY_DOWN },
-        { 0x000000001400ffeell, KEY_LEFT },
-        { 0x000000001500ffeell, KEY_RIGHT },
-        { 0x000000001600ffeell, KEY_ENTER },
-        { 0x000000001700ffeell, KEY_ESC },
-        { 0x000000001f00ffeell, KEY_AUDIO },
-        { 0x000000002000ffeell, KEY_VIDEO },
-        { 0x000000002100ffeell, KEY_CAMERA },
-        { 0x000000002700ffeell, KEY_DVD },
-        { 0x000000002300ffeell, KEY_TV },
-        { 0x000000002b00ffeell, KEY_EXIT },
-        { 0x000000002c00ffeell, KEY_SELECT },
-        { 0x000000002d00ffeell, KEY_MENU },
-        { 0x000000000500ffeell, KEY_PREVIOUS },
-        { 0x000000000700ffeell, KEY_REWIND },
-        { 0x000000000400ffeell, KEY_STOP },
-        { 0x000000003c00ffeell, KEY_PLAYPAUSE },
-        { 0x000000000800ffeell, KEY_FASTFORWARD },
-        { 0x000000000600ffeell, KEY_NEXT },
-        { 0x000000010000ffeell, KEY_RIGHT },
-        { 0x000001000000ffeell, KEY_LEFT },
-        { 0x000000003d00ffeell, KEY_SELECT },
-        { 0x000100000000ffeell, KEY_VOLUMEUP },
-        { 0x010000000000ffeell, KEY_VOLUMEDOWN },
-        { 0x000000000100ffeell, KEY_MUTE },
-        /* 0xffdc iMON MCE VFD */
-        { 0x00010000ffffffeell, KEY_VOLUMEUP },
-        { 0x01000000ffffffeell, KEY_VOLUMEDOWN },
-        { 0x00000001ffffffeell, KEY_MUTE },
-        { 0x0000000fffffffeell, KEY_MEDIA },
-        { 0x00000012ffffffeell, KEY_UP },
-        { 0x00000013ffffffeell, KEY_DOWN },
-        { 0x00000014ffffffeell, KEY_LEFT },
-        { 0x00000015ffffffeell, KEY_RIGHT },
-        { 0x00000016ffffffeell, KEY_ENTER },
-        { 0x00000017ffffffeell, KEY_ESC },
-        /* iMON Knob values */
-        { 0x000100ffffffffeell, KEY_VOLUMEUP },
-        { 0x010000ffffffffeell, KEY_VOLUMEDOWN },
-        { 0x000008ffffffffeell, KEY_MUTE },
-};
-
 /* to prevent races between open() and disconnect(), probing, etc */
 static DEFINE_MUTEX(driver_lock);
 
@@ -1210,18 +1286,19 @@ static u32 imon_mce_key_lookup(struct imon_context *ictx, u32 scancode)
         return keycode;
 }
 
-static u32 imon_panel_key_lookup(u64 code)
+static u32 imon_panel_key_lookup(struct imon_context *ictx, u64 code)
 {
         int i;
         u32 keycode = KEY_RESERVED;
+        struct imon_panel_key_table *key_table = ictx->dev_descr->key_table;
 
-        for (i = 0; i < ARRAY_SIZE(imon_panel_key_table); i++) {
-                if (imon_panel_key_table[i].hw_code == (code | 0xffee)) {
-                        keycode = imon_panel_key_table[i].keycode;
+        for (i = 0; key_table[i].hw_code != 0; i++) {
+                if (key_table[i].hw_code == (code | 0xffee)) {
+                        keycode = key_table[i].keycode;
                         break;
                 }
         }
-
+        ictx->release_code = false;
         return keycode;
 }
 
@@ -1511,7 +1588,7 @@ static void imon_incoming_packet(struct imon_context *ictx,
         if (len == 8 && buf[7] == 0xee) {
                 scancode = be64_to_cpu(*((u64 *)buf));
                 ktype = IMON_KEY_PANEL;
-                kc = imon_panel_key_lookup(scancode);
+                kc = imon_panel_key_lookup(ictx, scancode);
         } else {
                 scancode = be32_to_cpu(*((u32 *)buf));
                 if (ictx->rc_type == RC_BIT_RC6_MCE) {
@@ -1908,6 +1985,7 @@ out:
 
 static struct input_dev *imon_init_idev(struct imon_context *ictx)
 {
+        struct imon_panel_key_table *key_table = ictx->dev_descr->key_table;
         struct input_dev *idev;
         int ret, i;
 
@@ -1933,8 +2011,8 @@ static struct input_dev *imon_init_idev(struct imon_context *ictx)
                 BIT_MASK(REL_WHEEL);
 
         /* panel and/or knob code support */
-        for (i = 0; i < ARRAY_SIZE(imon_panel_key_table); i++) {
-                u32 kc = imon_panel_key_table[i].keycode;
+        for (i = 0; key_table[i].hw_code != 0; i++) {
+                u32 kc = key_table[i].keycode;
                 __set_bit(kc, idev->keybit);
         }
 
@@ -2135,9 +2213,11 @@ static struct imon_context *imon_init_intf0(struct usb_interface *intf,
         ictx->vendor  = le16_to_cpu(ictx->usbdev_intf0->descriptor.idVendor);
         ictx->product = le16_to_cpu(ictx->usbdev_intf0->descriptor.idProduct);
 
+        /* save drive info for later accessing the panel/knob key table */
+        ictx->dev_descr = (struct imon_usb_dev_descr *)id->driver_info;
         /* default send_packet delay is 5ms but some devices need more */
-        ictx->send_packet_delay = id->driver_info & IMON_NEED_20MS_PKT_DELAY ?
-                                  20 : 5;
+        ictx->send_packet_delay = ictx->dev_descr->flags &
+                                  IMON_NEED_20MS_PKT_DELAY ? 20 : 5;
 
         ret = -ENODEV;
         iface_desc = intf->cur_altsetting;