input: Introduce ff-memless-next as an improved replacement for ff-memless

1,037 lines not on this page · raw message

149 lines not on this page · raw message

index ef2e281..b4707cc 100644
@@ -13,6 +13,7 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/input.h>
+#include <linux/input/ff-memless-next.h>
 #include <linux/slab.h>
 
 #include <sound/soc.h>

@@ -22,6 +23,8 @@
 #include <linux/mfd/arizona/pdata.h>
 #include <linux/mfd/arizona/registers.h>
 
+#define FF_UPDATE_RATE 50
+
 struct arizona_haptics {
 	struct arizona *arizona;
 	struct input_dev *input_dev;

@@ -108,29 +111,37 @@ static void arizona_haptics_work(struct work_struct *work)
 }
 
 static int arizona_haptics_play(struct input_dev *input, void *data,
-				struct ff_effect *effect)
+				const struct mlnx_effect_command *command)
 {
 	struct arizona_haptics *haptics = input_get_drvdata(input);
 	struct arizona *arizona = haptics->arizona;
+	const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
 
 	if (!arizona->dapm) {
 		dev_err(arizona->dev, "No DAPM context\n");
 		return -EBUSY;
 	}
 
-	if (effect->u.rumble.strong_magnitude) {
-		/* Scale the magnitude into the range the device supports */
-		if (arizona->pdata.hap_act) {
-			haptics->intensity =
-				effect->u.rumble.strong_magnitude >> 9;
-			if (effect->direction < 0x8000)
-				haptics->intensity += 0x7f;
+	switch (command->cmd) {
+	case MLNX_START_RUMBLE:
+		if (rumble_force->strong) {
+			/* Scale the magnitude into the range the device supports */
+			if (arizona->pdata.hap_act) {
+				haptics->intensity = rumble_force->strong >> 9;
+				if (rumble_force->strong_dir < 0x8000)
+					haptics->intensity += 0x7f;
+			} else {
+				haptics->intensity = rumble_force->strong >> 8;
+			}
 		} else {
-			haptics->intensity =
-				effect->u.rumble.strong_magnitude >> 8;
+			haptics->intensity = 0;
 		}
-	} else {
+		break;
+	case MLNX_STOP_RUMBLE:
 		haptics->intensity = 0;
+		break;
+	default:
+		return -EINVAL;
 	}
 
 	schedule_work(&haptics->work);

@@ -183,10 +194,10 @@ static int arizona_haptics_probe(struct platform_device *pdev)
 	haptics->input_dev->close = arizona_haptics_close;
 	__set_bit(FF_RUMBLE, haptics->input_dev->ffbit);
 
-	ret = input_ff_create_memless(haptics->input_dev, NULL,
-				      arizona_haptics_play);
+	ret = input_ff_create_mlnx(haptics->input_dev, NULL,
+				   arizona_haptics_play, FF_UPDATE_RATE);
 	if (ret < 0) {
-		dev_err(arizona->dev, "input_ff_create_memless() failed: %d\n",
+		dev_err(arizona->dev, "input_ff_create_mlnx() failed: %d\n",
 			ret);
 		goto err_ialloc;
 	}

index 960ef2a..5274ad2 100644
@@ -32,9 +32,11 @@
 #include <linux/mfd/twl4030-audio.h>
 #include <linux/input.h>
 #include <linux/slab.h>
+#include <linux/input/ff-memless-next.h>
 
 /* MODULE ID2 */
 #define LEDEN		0x00
+#define FF_UPDATE_RATE	50
 
 /* ForceFeedback */
 #define EFFECT_DIR_180_DEG	0x8000 /* range is 0 - 0xFFFF */

@@ -134,14 +136,31 @@ static void vibra_play_work(struct work_struct *work)
 /*** Input/ForceFeedback ***/
 
 static int vibra_play(struct input_dev *input, void *data,
-		      struct ff_effect *effect)
+		      const struct mlnx_effect_command *command)
 {
 	struct vibra_info *info = input_get_drvdata(input);
+	const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
+
+	switch (command->cmd) {
+	case MLNX_START_RUMBLE:
+		if (command->u.rumble_force.strong) {
+			info->speed = rumble_force->strong >> 8;
+			info->direction = rumble_force->strong_dir < EFFECT_DIR_180_DEG ?
+					  0 : 1;
+		} else {
+			info->speed = rumble_force->weak >> 9;
+			info->direction = rumble_force->weak_dir < EFFECT_DIR_180_DEG ?
+					  0 : 1;
+		}
+		break;
+	case MLNX_STOP_RUMBLE:
+		info->speed = 0;
+		info->direction = 0;
+		break;
+	default:
+		return -EINVAL;
+	}
 
-	info->speed = effect->u.rumble.strong_magnitude >> 8;
-	if (!info->speed)
-		info->speed = effect->u.rumble.weak_magnitude >> 9;
-	info->direction = effect->direction < EFFECT_DIR_180_DEG ? 0 : 1;
 	schedule_work(&info->play_work);
 	return 0;
 }

@@ -227,7 +246,7 @@ static int twl4030_vibra_probe(struct platform_device *pdev)
 	info->input_dev->close = twl4030_vibra_close;
 	__set_bit(FF_RUMBLE, info->input_dev->ffbit);
 
-	ret = input_ff_create_memless(info->input_dev, NULL, vibra_play);
+	ret = input_ff_create_mlnx(info->input_dev, NULL, vibra_play, FF_UPDATE_RATE);
 	if (ret < 0) {
 		dev_dbg(&pdev->dev, "couldn't register vibrator to FF\n");
 		return ret;

index 77dc23b..7440a74 100644
@@ -30,12 +30,14 @@
 #include <linux/of.h>
 #include <linux/workqueue.h>
 #include <linux/input.h>
+#include <linux/input/ff-memless-next.h>
 #include <linux/mfd/twl6040.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/regulator/consumer.h>
 
 #define EFFECT_DIR_180_DEG	0x8000
+#define FF_UPDATE_RATE		50
 
 /* Recommended modulation index 85% */
 #define TWL6040_VIBRA_MOD	85

@@ -197,9 +199,10 @@ static void vibra_play_work(struct work_struct *work)
 }
 
 static int vibra_play(struct input_dev *input, void *data,
-		      struct ff_effect *effect)
+		      const struct mlnx_effect_command *command)
 {
 	struct vibra_info *info = input_get_drvdata(input);
+	const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
 	int ret;
 
 	/* Do not allow effect, while the routing is set to use audio */

@@ -209,9 +212,23 @@ static int vibra_play(struct input_dev *input, void *data,
 		return -EBUSY;
 	}
 
-	info->weak_speed = effect->u.rumble.weak_magnitude;
-	info->strong_speed = effect->u.rumble.strong_magnitude;
-	info->direction = effect->direction < EFFECT_DIR_180_DEG ? 1 : -1;
+	switch (command->cmd) {
+	case MLNX_START_RUMBLE:
+		info->weak_speed = rumble_force->weak;
+		info->strong_speed = rumble_force->strong;
+		if (info->strong_speed >= info->weak_speed)
+			info->direction = rumble_force->strong_dir < EFFECT_DIR_180_DEG ? 1 : -1;
+		else
+			info->direction = rumble_force->weak_dir < EFFECT_DIR_180_DEG ? 1 : -1;
+		break;
+	case MLNX_STOP_RUMBLE:
+		info->weak_speed = 0;
+		info->strong_speed = 0;
+		info->direction = 1;
+		break;
+	default:
+		return -EINVAL;
+	}
 
 	ret = queue_work(info->workqueue, &info->play_work);
 	if (!ret) {

@@ -367,7 +384,7 @@ static int twl6040_vibra_probe(struct platform_device *pdev)
 	info->input_dev->close = twl6040_vibra_close;
 	__set_bit(FF_RUMBLE, info->input_dev->ffbit);
 
-	ret = input_ff_create_memless(info->input_dev, NULL, vibra_play);
+	ret = input_ff_create_mlnx(info->input_dev, NULL, vibra_play, FF_UPDATE_RATE);
 	if (ret < 0) {
 		dev_err(info->dev, "couldn't register vibrator to FF\n");
 		goto err_ialloc;

index 1fea548..029ac8b 100644
@@ -31,6 +31,7 @@
 #include <linux/mfd/max8997-private.h>
 #include <linux/mfd/max8997.h>
 #include <linux/regulator/consumer.h>
+#include <linux/input/ff-memless-next.h>
 
 /* Haptic configuration 2 register */
 #define MAX8997_MOTOR_TYPE_SHIFT	7

@@ -43,6 +44,8 @@
 #define MAX8997_SIG_DUTY_SHIFT		2
 #define MAX8997_PWM_DUTY_SHIFT		0
 
+#define FF_UPDATE_RATE 50
+
 struct max8997_haptic {
 	struct device *dev;
 	struct i2c_client *client;

@@ -219,13 +222,23 @@ static void max8997_haptic_play_effect_work(struct work_struct *work)
 }
 
 static int max8997_haptic_play_effect(struct input_dev *dev, void *data,
-				  struct ff_effect *effect)
+				  const struct mlnx_effect_command *command)
 {
 	struct max8997_haptic *chip = input_get_drvdata(dev);
+	const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
 
-	chip->level = effect->u.rumble.strong_magnitude;
-	if (!chip->level)
-		chip->level = effect->u.rumble.weak_magnitude;
+	switch (command->cmd) {
+	case MLNX_START_RUMBLE:
+		chip->level = rumble_force->strong;
+		if (!chip->level)
+			chip->level = rumble_force->weak;
+		break;
+	case MLNX_STOP_RUMBLE:
+		chip->level = 0;
+		break;
+	default:
+		return -EINVAL;
+	}
 
 	schedule_work(&chip->work);
 

@@ -319,8 +332,8 @@ static int max8997_haptic_probe(struct platform_device *pdev)
 	input_set_drvdata(input_dev, chip);
 	input_set_capability(input_dev, EV_FF, FF_RUMBLE);
 
-	error = input_ff_create_memless(input_dev, NULL,
-				max8997_haptic_play_effect);
+	error = input_ff_create_mlnx(input_dev, NULL,
+				max8997_haptic_play_effect, FF_UPDATE_RATE);
 	if (error) {
 		dev_err(&pdev->dev,
 			"unable to create FF device, error: %d\n",

index b88b7cb..6b0e9eb 100644
@@ -17,6 +17,7 @@
 #include <linux/input.h>
 #include <linux/slab.h>
 #include <linux/regmap.h>
+#include <linux/input/ff-memless-next.h>
 
 #define VIB_DRV			0x4A
 

@@ -29,7 +30,7 @@
 #define VIB_MAX_LEVELS		(VIB_MAX_LEVEL_mV - VIB_MIN_LEVEL_mV)
 
 #define MAX_FF_SPEED		0xff
-
+#define FF_UPDATE_RATE		50
 /**
  * struct pm8xxx_vib - structure to hold vibrator data
  * @vib_input_dev: input device supporting force feedback

@@ -128,14 +129,23 @@ static void pm8xxx_vib_close(struct input_dev *dev)
  * Currently this driver supports only rumble effects.
  */
 static int pm8xxx_vib_play_effect(struct input_dev *dev, void *data,
-				  struct ff_effect *effect)
+				  const struct mlnx_command *command)
 {
 	struct pm8xxx_vib *vib = input_get_drvdata(dev);
-
-	vib->speed = effect->u.rumble.strong_magnitude >> 8;
-	if (!vib->speed)
-		vib->speed = effect->u.rumble.weak_magnitude >> 9;
-
+	const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
+
+	switch (command->cmd) {
+	case MLNX_START_RUMBLE:
+		vib->speed = rumble_force->strong >> 8;
+		if (!vib->speed)
+			vib->speed = rumble_force->weak >> 9;
+		break;
+	case MLNX_STOP_RUMBLE:
+		vib->speed = 0;
+		break;
+	default:
+		return -EINVAL;
+	}
 	schedule_work(&vib->work);
 
 	return 0;

@@ -182,8 +192,8 @@ static int pm8xxx_vib_probe(struct platform_device *pdev)
 	input_set_drvdata(input_dev, vib);
 	input_set_capability(vib->vib_input_dev, EV_FF, FF_RUMBLE);
 
-	error = input_ff_create_memless(input_dev, NULL,
-					pm8xxx_vib_play_effect);
+	error = input_ff_create_mlnx(input_dev, NULL,
+				     pm8xxx_vib_play_effect, FF_UPDATE_RATE);
 	if (error) {
 		dev_err(&pdev->dev,
 			"couldn't register vibrator as FF device\n");

index a594e47..7fbfcbc 100644
@@ -31,31 +31,45 @@
 #include <linux/slab.h>
 #include <linux/hid.h>
 #include <linux/module.h>
+#include <linux/input/ff-memless-next.h>
 
 #include "hid-ids.h"
 
+#define FF_UPDATE_RATE 50
 #ifdef CONFIG_HID_ACRUX_FF
 
 struct axff_device {
 	struct hid_report *report;
 };
 
-static int axff_play(struct input_dev *dev, void *data, struct ff_effect *effect)
+static int axff_play(struct input_dev *dev, void *data,
+		     const struct mlnx_effect_command *command)
 {
 	struct hid_device *hid = input_get_drvdata(dev);
 	struct axff_device *axff = data;
 	struct hid_report *report = axff->report;
+	const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
 	int field_count = 0;
 	int left, right;
 	int i, j;
 
-	left = effect->u.rumble.strong_magnitude;
-	right = effect->u.rumble.weak_magnitude;
-
-	dbg_hid("called with 0x%04x 0x%04x", left, right);
-
-	left = left * 0xff / 0xffff;
-	right = right * 0xff / 0xffff;
+	switch (command->cmd) {
+	case MLNX_START_RUMBLE:
+		left = rumble_force->strong;
+		right = rumble_force->weak;
+
+		dbg_hid("called with 0x%04x 0x%04x", left, right);
+
+		left = left * 0xff / 0xffff;
+		right = right * 0xff / 0xffff;
+		break;
+	case MLNX_STOP_RUMBLE:
+		left = 0;
+		right = 0;
+		break;
+	default:
+		return -EINVAL;
+	}
 
 	for (i = 0; i < report->maxfield; i++) {
 		for (j = 0; j < report->field[i]->report_count; j++) {

@@ -107,7 +121,7 @@ static int axff_init(struct hid_device *hid)
 
 	set_bit(FF_RUMBLE, dev->ffbit);
 
-	error = input_ff_create_memless(dev, axff, axff_play);
+	error = input_ff_create_mlnx(dev, axff, axff_play, FF_UPDATE_RATE);
 	if (error)
 		goto err_free_mem;
 

index d82d75b..c0cbe50 100644
@@ -24,30 +24,44 @@
 #include <linux/hid.h>
 #include <linux/input.h>
 #include <linux/module.h>
+#include <linux/input/ff-memless-next.h>
 
 #include "hid-ids.h"
 
+#define FF_UPDATE_RATE 50
+
 struct emsff_device {
 	struct hid_report *report;
 };
 
 static int emsff_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 emsff_device *emsff = data;
+	const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
 	int weak, strong;
 
-	weak = effect->u.rumble.weak_magnitude;
-	strong = effect->u.rumble.strong_magnitude;
-
-	dbg_hid("called with 0x%04x 0x%04x\n", strong, weak);
-
-	weak = weak * 0xff / 0xffff;
-	strong = strong * 0xff / 0xffff;
-
-	emsff->report->field[0]->value[1] = weak;
-	emsff->report->field[0]->value[2] = strong;
+	switch (command->cmd) {
+	case MLNX_START_RUMBLE:
+		weak = rumble_force->weak;
+		strong = rumble_force->strong;
+
+		dbg_hid("called with 0x%04x 0x%04x\n", strong, weak);
+
+		weak = weak * 0xff / 0xffff;
+		strong = strong * 0xff / 0xffff;
+
+		emsff->report->field[0]->value[1] = weak;
+		emsff->report->field[0]->value[2] = strong;
+		break;
+	case MLNX_STOP_RUMBLE:
+		weak = 0;
+		strong = 0;
+		break;
+	default:
+		return -EINVAL;
+	}
 
 	dbg_hid("running with 0x%02x 0x%02x\n", strong, weak);
 	hid_hw_request(hid, emsff->report, HID_REQ_SET_REPORT);

@@ -88,7 +102,7 @@ static int emsff_init(struct hid_device *hid)
 
 	set_bit(FF_RUMBLE, dev->ffbit);
 
-	error = input_ff_create_memless(dev, emsff, emsff_play);
+	error = input_ff_create_mlnx(dev, emsff, emsff_play, FF_UPDATE_RATE);
 	if (error) {
 		kfree(emsff);
 		return error;

89 lines not on this page · raw message

index 2d8cead..f2f70c1 100644
@@ -31,8 +31,11 @@
 #include <linux/slab.h>
 #include <linux/hid.h>
 #include <linux/module.h>
+#include <linux/input/ff-memless-next.h>
 #include "hid-ids.h"
 
+#define FF_UPDATE_RATE 50
+
 #ifdef CONFIG_GREENASIA_FF
 
 struct gaff_device {

@@ -40,19 +43,30 @@ struct gaff_device {
 };
 
 static int hid_gaff_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 gaff_device *gaff = data;
+	const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force;
 	int left, right;
 
-	left = effect->u.rumble.strong_magnitude;
-	right = effect->u.rumble.weak_magnitude;
-
-	dbg_hid("called with 0x%04x 0x%04x", left, right);
-
-	left = left * 0xfe / 0xffff;
-	right = right * 0xfe / 0xffff;
+	switch (command->cmd) {
+	case MLNX_START_RUMBLE:
+		left = rumble_force->strong;
+		right = rumble_force->weak;
+
+		dbg_hid("called with 0x%04x 0x%04x", left, right);
+
+		left = left * 0xfe / 0xffff;
+		right = right * 0xfe / 0xffff;
+		break;
+	case MLNX_STOP_RUMBLE:
+		left = 0;
+		right = 0;
+		break;
+	default:
+		return -EINVAL;
+	}
 
 	gaff->report->field[0]->value[0] = 0x51;
 	gaff->report->field[0]->value[1] = 0x0;

@@ -109,7 +123,7 @@ static int gaff_init(struct hid_device *hid)
 
 	set_bit(FF_RUMBLE, dev->ffbit);
 
-	error = input_ff_create_memless(dev, gaff, hid_gaff_play);
+	error = input_ff_create_mlnx(dev, gaff, hid_gaff_play, FF_UPDATE_RATE);
 	if (error) {
 		kfree(gaff);
 		return error;

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