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Subject[RFC v2 5/8] HID: move usage input mapping to hid.h
Date
This mapping are currently used on 2 placces and will be needed by more
quirk drivers, so move them to hid.h to allow them to use it.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/hid/hid-input-quirks.c | 71 ++++++++++++++++++++-------------------
drivers/hid/hid-input.c | 16 +++++----
include/linux/hid.h | 55 ++++++++++++++++++++++++++++++-
3 files changed, 99 insertions(+), 43 deletions(-)
diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c
index 4c2052c..51ae184 100644
--- a/drivers/hid/hid-input-quirks.c
+++ b/drivers/hid/hid-input-quirks.c
@@ -16,16 +16,14 @@
#include <linux/input.h>
#include <linux/hid.h>

-#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; *bit = input->absbit; *max = ABS_MAX; } while (0)
-#define map_rel(c) do { usage->code = c; usage->type = EV_REL; *bit = input->relbit; *max = REL_MAX; } while (0)
-#define map_key(c) do { usage->code = c; usage->type = EV_KEY; *bit = input->keybit; *max = KEY_MAX; } while (0)
-#define map_led(c) do { usage->code = c; usage->type = EV_LED; *bit = input->ledbit; *max = LED_MAX; } while (0)
+#define map_rel(c) hid_map_usage(hidinput, usage, bit, max, EV_REL, (c))
+#define map_key(c) hid_map_usage(hidinput, usage, bit, max, EV_KEY, (c))

-#define map_abs_clear(c) do { map_abs(c); clear_bit(c, *bit); } while (0)
-#define map_key_clear(c) do { map_key(c); clear_bit(c, *bit); } while (0)
+#define map_key_clear(c) hid_map_usage_clear(hidinput, usage, bit, \
+ max, EV_KEY, (c))

-static int quirk_belkin_wkbd(struct hid_usage *usage, struct input_dev *input,
- unsigned long **bit, int *max)
+static int quirk_belkin_wkbd(struct hid_usage *usage,
+ struct hid_input *hidinput, unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
return 0;
@@ -40,8 +38,8 @@ static int quirk_belkin_wkbd(struct hid_usage *usage, struct input_dev *input,
return 1;
}

-static int quirk_cherry_cymotion(struct hid_usage *usage, struct input_dev *input,
- unsigned long **bit, int *max)
+static int quirk_cherry_cymotion(struct hid_usage *usage,
+ struct hid_input *hidinput, unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
return 0;
@@ -56,13 +54,13 @@ static int quirk_cherry_cymotion(struct hid_usage *usage, struct input_dev *inpu
return 1;
}

-static int quirk_logitech_ultrax_remote(struct hid_usage *usage, struct input_dev *input,
- unsigned long **bit, int *max)
+static int quirk_logitech_ultrax_remote(struct hid_usage *usage,
+ struct hid_input *hidinput, unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
return 0;

- set_bit(EV_REP, input->evbit);
+ set_bit(EV_REP, hidinput->input->evbit);
switch(usage->hid & HID_USAGE) {
/* Reported on Logitech Ultra X Media Remote */
case 0x004: map_key_clear(KEY_AGAIN); break;
@@ -89,13 +87,13 @@ static int quirk_logitech_ultrax_remote(struct hid_usage *usage, struct input_de
return 1;
}

-static int quirk_chicony_tactical_pad(struct hid_usage *usage, struct input_dev *input,
- unsigned long **bit, int *max)
+static int quirk_chicony_tactical_pad(struct hid_usage *usage,
+ struct hid_input *hidinput, unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
return 0;

- set_bit(EV_REP, input->evbit);
+ set_bit(EV_REP, hidinput->input->evbit);
switch (usage->hid & HID_USAGE) {
case 0xff01: map_key_clear(BTN_1); break;
case 0xff02: map_key_clear(BTN_2); break;
@@ -114,9 +112,11 @@ static int quirk_chicony_tactical_pad(struct hid_usage *usage, struct input_dev
return 1;
}

-static int quirk_microsoft_ergonomy_kb(struct hid_usage *usage, struct input_dev *input,
- unsigned long **bit, int *max)
+static int quirk_microsoft_ergonomy_kb(struct hid_usage *usage,
+ struct hid_input *hidinput, unsigned long **bit, int *max)
{
+ struct input_dev *input = hidinput->input;
+
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
return 0;

@@ -137,13 +137,13 @@ static int quirk_microsoft_ergonomy_kb(struct hid_usage *usage, struct input_dev
return 1;
}

-static int quirk_microsoft_presenter_8k(struct hid_usage *usage, struct input_dev *input,
- unsigned long **bit, int *max)
+static int quirk_microsoft_presenter_8k(struct hid_usage *usage,
+ struct hid_input *hidinput, unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
return 0;

- set_bit(EV_REP, input->evbit);
+ set_bit(EV_REP, hidinput->input->evbit);
switch(usage->hid & HID_USAGE) {
case 0xfd08: map_key_clear(KEY_FORWARD); break;
case 0xfd09: map_key_clear(KEY_BACK); break;
@@ -156,8 +156,8 @@ static int quirk_microsoft_presenter_8k(struct hid_usage *usage, struct input_de
return 1;
}

-static int quirk_petalynx_remote(struct hid_usage *usage, struct input_dev *input,
- unsigned long **bit, int *max)
+static int quirk_petalynx_remote(struct hid_usage *usage,
+ struct hid_input *hidinput, unsigned long **bit, int *max)
{
if (((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) &&
((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER))
@@ -184,8 +184,8 @@ static int quirk_petalynx_remote(struct hid_usage *usage, struct input_dev *inpu
return 1;
}

-static int quirk_logitech_wireless(struct hid_usage *usage, struct input_dev *input,
- unsigned long **bit, int *max)
+static int quirk_logitech_wireless(struct hid_usage *usage,
+ struct hid_input *hidinput, unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
return 0;
@@ -236,8 +236,8 @@ static int quirk_logitech_wireless(struct hid_usage *usage, struct input_dev *in
return 1;
}

-static int quirk_cherry_genius_29e(struct hid_usage *usage, struct input_dev *input,
- unsigned long **bit, int *max)
+static int quirk_cherry_genius_29e(struct hid_usage *usage,
+ struct hid_input *hidinput, unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
return 0;
@@ -254,7 +254,7 @@ static int quirk_cherry_genius_29e(struct hid_usage *usage, struct input_dev *in
return 1;
}

-static int quirk_btc_8193(struct hid_usage *usage, struct input_dev *input,
+static int quirk_btc_8193(struct hid_usage *usage, struct hid_input *hidinput,
unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
@@ -276,8 +276,8 @@ static int quirk_btc_8193(struct hid_usage *usage, struct input_dev *input,
return 1;
}

-static int quirk_sunplus_wdesktop(struct hid_usage *usage, struct input_dev *input,
- unsigned long **bit, int *max)
+static int quirk_sunplus_wdesktop(struct hid_usage *usage,
+ struct hid_input *hidinput, unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
return 0;
@@ -327,7 +327,8 @@ static int quirk_sunplus_wdesktop(struct hid_usage *usage, struct input_dev *inp
static const struct hid_input_blacklist {
__u16 idVendor;
__u16 idProduct;
- int (*quirk)(struct hid_usage *, struct input_dev *, unsigned long **, int *);
+ int (*quirk)(struct hid_usage *, struct hid_input *, unsigned long **,
+ int *);
} hid_input_blacklist[] = {
{ VENDOR_ID_BELKIN, DEVICE_ID_BELKIN_WIRELESS_KEYBOARD, quirk_belkin_wkbd },

@@ -357,16 +358,16 @@ static const struct hid_input_blacklist {
};

int hidinput_mapping_quirks(struct hid_usage *usage,
- struct input_dev *input,
- unsigned long **bit, int *max)
+ struct hid_input *hi, unsigned long **bit, int *max)
{
- struct hid_device *device = input_get_drvdata(input);
+ struct hid_device *device = input_get_drvdata(hi->input);
int i = 0;

while (hid_input_blacklist[i].quirk) {
if (hid_input_blacklist[i].idVendor == device->vendor &&
hid_input_blacklist[i].idProduct == device->product)
- return hid_input_blacklist[i].quirk(usage, input, bit, max);
+ return hid_input_blacklist[i].quirk(usage, hi, bit,
+ max);
i++;
}
return 0;
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 5f1a91a..5439e76 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -78,13 +78,15 @@ static const struct {
__s32 y;
} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};

-#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
-#define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
-#define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
-#define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
+#define map_abs(c) hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c))
+#define map_rel(c) hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c))
+#define map_key(c) hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c))
+#define map_led(c) hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c))

-#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
-#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
+#define map_abs_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
+ &max, EV_ABS, (c))
+#define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
+ &max, EV_KEY, (c))

#ifdef CONFIG_USB_HIDINPUT_POWERBOOK

@@ -385,7 +387,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
}

/* handle input mappings for quirky devices */
- ret = hidinput_mapping_quirks(usage, input, &bit, &max);
+ ret = hidinput_mapping_quirks(usage, hidinput, &bit, &max);
if (ret)
goto mapped;

diff --git a/include/linux/hid.h b/include/linux/hid.h
index 9acf77f..4c12dd1 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -642,7 +642,7 @@ extern void hidinput_disconnect(struct hid_device *);
int hid_set_field(struct hid_field *, unsigned, __s32);
int hid_input_report(struct hid_device *, int type, u8 *, int, int);
int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
-int hidinput_mapping_quirks(struct hid_usage *, struct input_dev *, unsigned long **, int *);
+int hidinput_mapping_quirks(struct hid_usage *, struct hid_input *, unsigned long **, int *);
int hidinput_event_quirks(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);
int hidinput_apple_event(struct hid_device *, struct input_dev *, struct hid_usage *, __s32);
void hid_output_report(struct hid_report *report, __u8 *data);
@@ -650,6 +650,59 @@ struct hid_device *hid_allocate_device(void);
int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);

/**
+ * hid_map_usage - map usage input bits
+ *
+ * @hidinput: hidinput which we are interested in
+ * @usage: usage to fill in
+ * @bit: pointer to input->{}bit (out parameter)
+ * @max: maximal valid usage->code to consider later (out parameter)
+ * @type: input event type (EV_KEY, EV_REL, ...)
+ * @c: code which corresponds to this usage and type
+ */
+static inline void hid_map_usage(struct hid_input *hidinput,
+ struct hid_usage *usage, unsigned long **bit, int *max,
+ __u8 type, __u16 c)
+{
+ struct input_dev *input = hidinput->input;
+
+ usage->type = type;
+ usage->code = c;
+
+ switch (type) {
+ case EV_ABS:
+ *bit = input->absbit;
+ *max = ABS_MAX;
+ break;
+ case EV_REL:
+ *bit = input->relbit;
+ *max = REL_MAX;
+ break;
+ case EV_KEY:
+ *bit = input->keybit;
+ *max = KEY_MAX;
+ break;
+ case EV_LED:
+ *bit = input->ledbit;
+ *max = LED_MAX;
+ break;
+ }
+}
+
+/**
+ * hid_map_usage_clear - map usage input bits and clear the input bit
+ *
+ * The same as hid_map_usage, except the @c bit is also cleared in supported
+ * bits (@bit).
+ */
+static inline void hid_map_usage_clear(struct hid_input *hidinput,
+ struct hid_usage *usage, unsigned long **bit, int *max,
+ __u8 type, __u16 c)
+{
+ hid_map_usage(hidinput, usage, bit, max, type, c);
+ clear_bit(c, *bit);
+}
+
+/**
* hid_parse - parse HW reports
*
* @hdev: hid device
--
1.5.4.5


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