Staging: add frontier tranzport and alphatrack drivers

Adds the tranzport and alphatrack drivers to the staging tree.

Cc: David Taht <d@teklibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 279 insertions, 0 deletions

diff --git a/drivers/staging/frontier/alphatrack_sysfs.c b/drivers/staging/frontier/alphatrack_sysfs.c
new file mode 100644
index 00000000000..21af6a2d70b
--- /dev/null
+++ b/drivers/staging/frontier/alphatrack_sysfs.c
@@ -0,0 +1,279 @@
+/* This was an attempt - ultimately proved pointless - at making a full fledged sysfs interface to the alphatrack */
+/* won't even compile at present */
+
+char *alphatrack_sys_margs;
+spinlock_t alphatrack_sys_margs_lock;
+
+struct alphatrack_attr {
+        struct attribute attr;
+        ssize_t (*show)(struct device *, char *);
+        ssize_t (*store)(struct device *, const char *, size_t);
+};
+
+#define ALPHATRACK_ATTR(name, mode, show, store) \
+static struct alphatrack_attr alphatrack_attr_##name = __ATTR(name, mode, show, store)
+
+/* now a great deal of callback code generation */
+
+// FOREACH_LIGHT(show_set_light)
+// FOREACH_BUTTON(show_set_button)
+
+show_set_light(LIGHT_RECORD); show_set_light(LIGHT_EQ); show_set_light(LIGHT_OUT);
+show_set_light(LIGHT_F2); show_set_light(LIGHT_SEND);   show_set_light(LIGHT_IN);
+show_set_light(LIGHT_F1); show_set_light(LIGHT_PAN);    show_set_light(LIGHT_UNDEF1);
+show_set_light(LIGHT_UNDEF2); show_set_light(LIGHT_SHIFT); show_set_light(LIGHT_TRACKMUTE);
+show_set_light(LIGHT_TRACKSOLO); show_set_light(LIGHT_TRACKREC); show_set_light(LIGHT_READ);
+show_set_light(LIGHT_WRITE); show_set_light(LIGHT_ANYSOLO); show_set_light(LIGHT_AUTO);
+show_set_light(LIGHT_F4); show_set_light(LIGHT_RECORD); show_set_light(LIGHT_WINDOW);
+show_set_light(LIGHT_PLUGIN); show_set_light(LIGHT_F3); show_set_light(LIGHT_LOOP);
+
+show_set_opt(enable); show_set_opt(offline); show_set_opt(compress_fader); show_set_opt(dump_state);
+show_set_int(fader); show_set_int(event);
+
+
+static ssize_t show_lights(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_alphatrack *t = usb_get_intfdata(intf);
+	return sprintf(buf, "%d\n", t->lights);
+}
+
+static ssize_t set_lights(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_alphatrack *t = usb_get_intfdata(intf);
+	int temp = simple_strtoul(buf, NULL, 10);
+	t->lights = temp;
+	return count;
+}
+
+static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_lights, set_lights);
+
+
+ALPHATRACK_ATTR(LightRecord, 0200, NULL,          LightRecord_store);
+
+static struct attribute *alphatrack_attrs[] = {
+        &alphatrack_attr_LightRecord.attr,
+        NULL,
+};
+
+static ssize_t alphatrack_attr_show(struct kobject *kobj, struct attribute *attr,
+                              char *buf)
+{
+        struct device *sdp = container_of(kobj, struct device, kobj);
+        struct alphatrack_attr *a = container_of(attr, struct alphatrack_attr, attr);
+        return a->show ? a->show(sdp, buf) : 0;
+}
+
+static ssize_t alphatrack_attr_store(struct kobject *kobj, struct attribute *attr,
+                               const char *buf, size_t len)
+{
+        struct device *sdp = container_of(kobj, struct device, kobj);
+        struct alphatrack_attr *a = container_of(attr, struct alphatrack_attr, attr);
+        return a->store ? a->store(sdp, buf, len) : len;
+}
+
+static struct sysfs_ops alphatrack_attr_ops = {
+        .show  = alphatrack_attr_show,
+        .store = alphatrack_attr_store,
+};
+
+static struct kobj_type alphatrack_ktype = {
+        .default_attrs = alphatrack_attrs,
+        .sysfs_ops     = &alphatrack_attr_ops,
+};
+
+static struct kset alphatrack_kset = {
+        .subsys = &fs_subsys,
+        .kobj   = {.name = "alphatrack"},
+        .ktype  = &alphatrack_ktype,
+};
+
+
+static struct attribute *lights_attrs[] = {
+        &tune_attr_demote_secs.attr,
+        NULL,
+};
+
+
+static struct attribute_group leds_group = {
+        .name = "leds",
+        .attrs = lights_attrs,
+};
+
+static struct attribute_group faders_group = {
+        .name = "faders",
+        .attrs = faders_attrs,
+};
+
+static struct attribute_group lcds_group = {
+        .name = "lcds",
+        .attrs = lcds_attrs,
+};
+
+static struct attribute_group wheels_group = {
+        .name = "wheels",
+        .attrs = wheels_attrs,
+};
+
+static struct attribute_group touchsurfaces_group = {
+        .name = "touchsurfaces",
+        .attrs = touchsurfaces_attrs,
+};
+
+static struct attribute_group buttons_group = {
+        .name = "buttons",
+        .attrs = buttons_attrs,
+};
+
+
+int alphatrack_sys_fs_add(struct device *sdp)
+{
+        int error;
+
+        sdp->kobj.kset = &alphatrack_kset;
+        sdp->kobj.ktype = &alphatrack_ktype;
+
+//        error = kobject_set_name(&sdp->kobj, "%s", sdp->sd_table_name);
+        error = kobject_set_name(&sdp->kobj, "%s", "alphatrack");
+        if (error)
+                goto fail;
+
+        error = kobject_register(&sdp->kobj);
+        if (error)
+                goto fail;
+
+        error = sysfs_create_group(&sdp->kobj, &lcds_group);
+        if (error)
+                goto fail_reg;
+
+        error = sysfs_create_group(&sdp->kobj, &leds_group);
+        if (error)
+                goto fail_leds;
+
+        error = sysfs_create_group(&sdp->kobj, &wheels_group);
+        if (error)
+                goto fail_wheels;
+
+      error = sysfs_create_group(&sdp->kobj, &faders_group);
+        if (error)
+                goto fail_lcds;
+
+        error = sysfs_create_group(&sdp->kobj, &buttons_group);
+        if (error)
+                goto fail_faders;
+
+        error = sysfs_create_group(&sdp->kobj, &touchsurfaces_group);
+        if (error)
+                goto fail_buttons;
+
+        return 0;
+
+
+fail_buttons:
+        sysfs_remove_group(&sdp->kobj, &buttons_group);
+fail_faders:
+        sysfs_remove_group(&sdp->kobj, &faders_group);
+fail_wheels:
+        sysfs_remove_group(&sdp->kobj, &wheels_group);
+fail_lcds:
+        sysfs_remove_group(&sdp->kobj, &lcds_group);
+fail_leds:
+        sysfs_remove_group(&sdp->kobj, &leds_group);
+
+
+
+fail_reg:
+        kobject_unregister(&sdp->kobj);
+fail:
+        fs_err(sdp, "error %d adding sysfs files", error);
+        return error;
+}
+
+// int sysfs_create_link(struct kobject *kobj,
+//			  struct kobject *target,
+//			  char *name);
+
+void alphatrack_sys_fs_del(struct device *sdp)
+{
+        sysfs_remove_group(&sdp->kobj, &touchsurfaces_group);
+        sysfs_remove_group(&sdp->kobj, &buttons_group);
+        sysfs_remove_group(&sdp->kobj, &faders_group);
+        sysfs_remove_group(&sdp->kobj, &lcds_group);
+        sysfs_remove_group(&sdp->kobj, &wheels_group);
+        sysfs_remove_group(&sdp->kobj, &leds_group)
+//void sysfs_remove_link(struct kobject *kobj, char *name);
+					kobject_unregister(&sdp->kobj);
+}
+
+int alphatrack_sys_init(void)
+{
+        alphatrack_sys_margs = NULL;
+        spin_lock_init(&alphatrack_sys_margs_lock);
+        return kset_register(&alphatrack_kset);
+}
+
+void alphatrack_sys_uninit(void)
+{
+        kfree(alphatrack_sys_margs);
+        kset_unregister(&alphatrack_kset);
+}
+
+
+//decl_subsys(char *name, struct kobj_type *type,
+//                struct kset_hotplug_ops *hotplug_ops);
+
+/* End of all the crazy sysfs stuff */
+
+#define SYSEX_INQUIRE signed char *SYSEX_INQUIRE[] = { 0xf0,0x7e,0x00,0x06,0x01,0x17 };
+
+#define COMMAND(NAME,CONT_NAME)  { BUTTONMASK_##NAME, ((0x90 << 8) | CONT_NAME), ((0x90 << 8) | CONT_NAME), #NAME, NAME ## _set }
+#define ROTARY(NAME,CONT_NAME)  { FADER_##NAME, ((0xb0 << 8) | CONT_NAME), ((0xb0 << 8) | CONT_NAME), #NAME, NAME ## _set }
+#define SPOSITION(NAME,CONT_NAME)  { BUTTON_##NAME ((0xe9 << 8) | CONT_NAME), #NAME, NAME ## _set }
+#define ENDCOMMAND { 0,NULL,0,NULL,NULL}
+
+/* Now that we've generated all our callbacks */
+
+static struct buttonmap_t buttonmap[] =
+     {
+       COMMAND (REWIND,0x5b),
+       COMMAND (FASTFORWARD,0x5c),
+       COMMAND (STOP,0x5d),
+       COMMAND (PLAY,0x5e),
+       COMMAND (RECORD,0x5f),
+       COMMAND (SHIFT,0x46),
+       COMMAND (TRACKLEFT,0x57),
+       COMMAND (TRACKRIGHT,0x58),
+       COMMAND (LOOP,0x56),
+       COMMAND (FLIP,0x32),
+       COMMAND (MUTE,0x10),
+       COMMAND (F1,0x36),
+       COMMAND (F2,0x37),
+       COMMAND (F3,0x38),
+       COMMAND (F4,0x39),
+       COMMAND (SOLO,0x08),
+       COMMAND (ANY,0x73),
+       COMMAND (PAN,0x2a),
+       COMMAND (SEND,0x29),
+       COMMAND (EQ,0x2c),
+       COMMAND (PLUGIN,0x2b),
+       COMMAND (AUTO,0x4a),
+       COMMAND (TRACKREC,0x00),
+       COMMAND (FOOTSWITCH1,0x67),
+       COMMAND (KNOBTOUCH1,0x78),
+       COMMAND (KNOBPUSH1,0x20),
+       ROTARY  (KNOBTURN1,0x10),
+       COMMAND (KNOBTOUCH2,0x79),
+       COMMAND (KNOBPUSH2,0x21),
+       ROTARY  (KNOBTURN2,0x11),
+       COMMAND (KNOBTOUCH3,0x7a),
+       COMMAND (KNOBPUSH3,0x22),
+       ROTARY  (KNOBTURN3,0x12),
+       COMMAND (FADERTOUCH1,0x68),
+       COMMAND (STRIPTOUCH1,0x74),
+       COMMAND (STRIPTOUCH2,0x6b),
+       SPOSITION (STRIPPOS1,0x00),
+       ENDCOMMAND
+     };
+
+