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Message-Id: <1398513696-12626-18-git-send-email-madcatxster@devoid-pointer.net>
Date: Sat, 26 Apr 2014 13:57:54 +0200
From: Michal Malý <madcatxster@...oid-pointer.net>
To: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: dmitry.torokhov@...il.com, jkosina@...e.cz, elias.vds@...il.com,
anssi.hannula@....fi, simon@...gewell.org,
Michal Malý <madcatxster@...oid-pointer.net>
Subject: [PATCH v3 17/24] hid: Port hid-tmff to ff-memless-next
Port hid-tmff to ff-memless-next
Signed-off-by: Michal Malý <madcatxster@...oid-pointer.net>
---
drivers/hid/Kconfig | 2 +-
drivers/hid/hid-tmff.c | 83 ++++++++++++++++++++++++++++++--------------------
2 files changed, 51 insertions(+), 34 deletions(-)
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index e97c382..17ed5cf 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -730,7 +730,7 @@ config HID_THRUSTMASTER
config THRUSTMASTER_FF
bool "ThrustMaster devices force feedback support"
depends on HID_THRUSTMASTER
- select INPUT_FF_MEMLESS
+ select INPUT_FF_MEMLESS_NEXT
---help---
Say Y here if you have a THRUSTMASTER FireStore Dual Power 2 or 3,
a THRUSTMASTER Dual Trigger 3-in-1 or a THRUSTMASTER Ferrari GT
diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c
index b833760..3df000c 100644
--- a/drivers/hid/hid-tmff.c
+++ b/drivers/hid/hid-tmff.c
@@ -31,9 +31,12 @@
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/input/ff-memless-next.h>
#include "hid-ids.h"
+#define FF_UPDATE_RATE 50
+
static const signed short ff_rumble[] = {
FF_RUMBLE,
-1
@@ -41,6 +44,13 @@ static const signed short ff_rumble[] = {
static const signed short ff_joystick[] = {
FF_CONSTANT,
+ FF_RAMP,
+ FF_PERIODIC,
+ FF_SINE,
+ FF_SQUARE,
+ FF_TRIANGLE,
+ FF_SAW_DOWN,
+ FF_SAW_UP,
-1
};
@@ -67,12 +77,12 @@ static inline int tmff_scale_u16(unsigned int in, int minimum, int maximum)
return ret;
}
-/* Changes values from -0x80 to 0x7f into values from minimum to maximum */
-static inline int tmff_scale_s8(int in, int minimum, int maximum)
+/* Changes values from -0x7fff to 0x7fff into values from minimum to maximum */
+static inline int tmff_scale_s32(int in, int minimum, int maximum)
{
int ret;
- ret = (((in + 0x80) * (maximum - minimum)) / 0xff) + minimum;
+ ret = (((in + 0x7fff) * (maximum - minimum)) / 0xffff) + minimum;
if (ret < minimum)
return minimum;
if (ret > maximum)
@@ -81,43 +91,50 @@ static inline int tmff_scale_s8(int in, int minimum, int maximum)
}
static int tmff_play(struct input_dev *dev, void *data,
- struct ff_effect *effect)
+ const struct mlnx_effect_command *command)
{
struct hid_device *hid = input_get_drvdata(dev);
struct tmff_device *tmff = data;
struct hid_field *ff_field = tmff->ff_field;
int x, y;
- int left, right; /* Rumbling */
-
- switch (effect->type) {
- case FF_CONSTANT:
- x = tmff_scale_s8(effect->u.ramp.start_level,
- ff_field->logical_minimum,
- ff_field->logical_maximum);
- y = tmff_scale_s8(effect->u.ramp.end_level,
- ff_field->logical_minimum,
- ff_field->logical_maximum);
-
- dbg_hid("(x, y)=(%04x, %04x)\n", x, y);
- ff_field->value[0] = x;
- ff_field->value[1] = y;
- hid_hw_request(hid, tmff->report, HID_REQ_SET_REPORT);
- break;
- case FF_RUMBLE:
- left = tmff_scale_u16(effect->u.rumble.weak_magnitude,
- ff_field->logical_minimum,
- ff_field->logical_maximum);
- right = tmff_scale_u16(effect->u.rumble.strong_magnitude,
- ff_field->logical_minimum,
- ff_field->logical_maximum);
-
- dbg_hid("(left,right)=(%08x, %08x)\n", left, right);
- ff_field->value[0] = left;
- ff_field->value[1] = right;
- hid_hw_request(hid, tmff->report, HID_REQ_SET_REPORT);
+ switch (command->cmd) {
+ case MLNX_START_COMBINED: {
+ const struct mlnx_simple_force *sf = &command->u.simple_force;
+ x = tmff_scale_s32(sf->x,
+ ff_field->logical_minimum,
+ ff_field->logical_maximum);
+ y = tmff_scale_s32(sf->y,
+ ff_field->logical_minimum,
+ ff_field->logical_maximum);
+ break;
+ }
+ case MLNX_STOP_COMBINED:
+ x = 0;
+ y = 0;
+ break;
+ case MLNX_START_RUMBLE: {
+ const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
+ x = tmff_scale_u16(rumble_force->weak,
+ ff_field->logical_minimum,
+ ff_field->logical_maximum);
+ y = tmff_scale_u16(rumble_force->strong,
+ ff_field->logical_minimum,
+ ff_field->logical_maximum);
break;
+ }
+ case MLNX_STOP_RUMBLE:
+ x = 0;
+ y = 0;
+ break;
+ default:
+ return -EINVAL;
}
+
+ ff_field->value[0] = x;
+ ff_field->value[1] = y;
+
+ hid_hw_request(hid, tmff->report, HID_REQ_SET_REPORT);
return 0;
}
@@ -192,7 +209,7 @@ static int tmff_init(struct hid_device *hid, const signed short *ff_bits)
goto fail;
}
- error = input_ff_create_memless(input_dev, tmff, tmff_play);
+ error = input_ff_create_mlnx(input_dev, tmff, tmff_play, FF_UPDATE_RATE);
if (error)
goto fail;
--
1.9.2
--
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