12b27bdccSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 2cc697d38SMisael Lopez Cruz /* 3cc697d38SMisael Lopez Cruz * twl6040-vibra.c - TWL6040 Vibrator driver 4cc697d38SMisael Lopez Cruz * 5cc697d38SMisael Lopez Cruz * Author: Jorge Eduardo Candelaria <jorge.candelaria@ti.com> 6cc697d38SMisael Lopez Cruz * Author: Misael Lopez Cruz <misael.lopez@ti.com> 7cc697d38SMisael Lopez Cruz * 8cc697d38SMisael Lopez Cruz * Copyright: (C) 2011 Texas Instruments, Inc. 9cc697d38SMisael Lopez Cruz * 10cc697d38SMisael Lopez Cruz * Based on twl4030-vibra.c by Henrik Saari <henrik.saari@nokia.com> 11cc697d38SMisael Lopez Cruz * Felipe Balbi <felipe.balbi@nokia.com> 12cc697d38SMisael Lopez Cruz * Jari Vanhala <ext-javi.vanhala@nokia.com> 13cc697d38SMisael Lopez Cruz */ 14cc697d38SMisael Lopez Cruz #include <linux/module.h> 15cc697d38SMisael Lopez Cruz #include <linux/platform_device.h> 169ac7b1a3SPeter Ujfalusi #include <linux/of.h> 17cc697d38SMisael Lopez Cruz #include <linux/workqueue.h> 188eaeb939SPeter Ujfalusi #include <linux/input.h> 19cc697d38SMisael Lopez Cruz #include <linux/mfd/twl6040.h> 20cc697d38SMisael Lopez Cruz #include <linux/slab.h> 21cc697d38SMisael Lopez Cruz #include <linux/delay.h> 22cc697d38SMisael Lopez Cruz #include <linux/regulator/consumer.h> 23cc697d38SMisael Lopez Cruz 24cc697d38SMisael Lopez Cruz #define EFFECT_DIR_180_DEG 0x8000 25cc697d38SMisael Lopez Cruz 26cc697d38SMisael Lopez Cruz /* Recommended modulation index 85% */ 27cc697d38SMisael Lopez Cruz #define TWL6040_VIBRA_MOD 85 28cc697d38SMisael Lopez Cruz 29cc697d38SMisael Lopez Cruz #define TWL6040_NUM_SUPPLIES 2 30cc697d38SMisael Lopez Cruz 31cc697d38SMisael Lopez Cruz struct vibra_info { 32cc697d38SMisael Lopez Cruz struct device *dev; 33cc697d38SMisael Lopez Cruz struct input_dev *input_dev; 34cc697d38SMisael Lopez Cruz struct work_struct play_work; 359e4cc255SH. Nikolaus Schaller 36625cbe46SPeter Ujfalusi int irq; 37cc697d38SMisael Lopez Cruz 38cc697d38SMisael Lopez Cruz bool enabled; 39cc697d38SMisael Lopez Cruz int weak_speed; 40cc697d38SMisael Lopez Cruz int strong_speed; 41cc697d38SMisael Lopez Cruz int direction; 42cc697d38SMisael Lopez Cruz 43cc697d38SMisael Lopez Cruz unsigned int vibldrv_res; 44cc697d38SMisael Lopez Cruz unsigned int vibrdrv_res; 45cc697d38SMisael Lopez Cruz unsigned int viblmotor_res; 46cc697d38SMisael Lopez Cruz unsigned int vibrmotor_res; 47cc697d38SMisael Lopez Cruz 48cc697d38SMisael Lopez Cruz struct regulator_bulk_data supplies[TWL6040_NUM_SUPPLIES]; 49cc697d38SMisael Lopez Cruz 50cc697d38SMisael Lopez Cruz struct twl6040 *twl6040; 51cc697d38SMisael Lopez Cruz }; 52cc697d38SMisael Lopez Cruz 53cc697d38SMisael Lopez Cruz static irqreturn_t twl6040_vib_irq_handler(int irq, void *data) 54cc697d38SMisael Lopez Cruz { 55cc697d38SMisael Lopez Cruz struct vibra_info *info = data; 56cc697d38SMisael Lopez Cruz struct twl6040 *twl6040 = info->twl6040; 57cc697d38SMisael Lopez Cruz u8 status; 58cc697d38SMisael Lopez Cruz 59cc697d38SMisael Lopez Cruz status = twl6040_reg_read(twl6040, TWL6040_REG_STATUS); 60cc697d38SMisael Lopez Cruz if (status & TWL6040_VIBLOCDET) { 61cc697d38SMisael Lopez Cruz dev_warn(info->dev, "Left Vibrator overcurrent detected\n"); 62cc697d38SMisael Lopez Cruz twl6040_clear_bits(twl6040, TWL6040_REG_VIBCTLL, 631e036f65SPeter Ujfalusi TWL6040_VIBENA); 64cc697d38SMisael Lopez Cruz } 65cc697d38SMisael Lopez Cruz if (status & TWL6040_VIBROCDET) { 66cc697d38SMisael Lopez Cruz dev_warn(info->dev, "Right Vibrator overcurrent detected\n"); 67cc697d38SMisael Lopez Cruz twl6040_clear_bits(twl6040, TWL6040_REG_VIBCTLR, 681e036f65SPeter Ujfalusi TWL6040_VIBENA); 69cc697d38SMisael Lopez Cruz } 70cc697d38SMisael Lopez Cruz 71cc697d38SMisael Lopez Cruz return IRQ_HANDLED; 72cc697d38SMisael Lopez Cruz } 73cc697d38SMisael Lopez Cruz 74cc697d38SMisael Lopez Cruz static void twl6040_vibra_enable(struct vibra_info *info) 75cc697d38SMisael Lopez Cruz { 76cc697d38SMisael Lopez Cruz struct twl6040 *twl6040 = info->twl6040; 77cc697d38SMisael Lopez Cruz int ret; 78cc697d38SMisael Lopez Cruz 79cc697d38SMisael Lopez Cruz ret = regulator_bulk_enable(ARRAY_SIZE(info->supplies), info->supplies); 80cc697d38SMisael Lopez Cruz if (ret) { 81cc697d38SMisael Lopez Cruz dev_err(info->dev, "failed to enable regulators %d\n", ret); 82cc697d38SMisael Lopez Cruz return; 83cc697d38SMisael Lopez Cruz } 84cc697d38SMisael Lopez Cruz 85cc697d38SMisael Lopez Cruz twl6040_power(info->twl6040, 1); 867e968985SPeter Ujfalusi if (twl6040_get_revid(twl6040) <= TWL6040_REV_ES1_1) { 87cc697d38SMisael Lopez Cruz /* 88cc697d38SMisael Lopez Cruz * ERRATA: Disable overcurrent protection for at least 89cc697d38SMisael Lopez Cruz * 3ms when enabling vibrator drivers to avoid false 90cc697d38SMisael Lopez Cruz * overcurrent detection 91cc697d38SMisael Lopez Cruz */ 92cc697d38SMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL, 931e036f65SPeter Ujfalusi TWL6040_VIBENA | TWL6040_VIBCTRL); 94cc697d38SMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR, 951e036f65SPeter Ujfalusi TWL6040_VIBENA | TWL6040_VIBCTRL); 96cc697d38SMisael Lopez Cruz usleep_range(3000, 3500); 97cc697d38SMisael Lopez Cruz } 98cc697d38SMisael Lopez Cruz 99cc697d38SMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL, 1001e036f65SPeter Ujfalusi TWL6040_VIBENA); 101cc697d38SMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR, 1021e036f65SPeter Ujfalusi TWL6040_VIBENA); 103cc697d38SMisael Lopez Cruz 104cc697d38SMisael Lopez Cruz info->enabled = true; 105cc697d38SMisael Lopez Cruz } 106cc697d38SMisael Lopez Cruz 107cc697d38SMisael Lopez Cruz static void twl6040_vibra_disable(struct vibra_info *info) 108cc697d38SMisael Lopez Cruz { 109cc697d38SMisael Lopez Cruz struct twl6040 *twl6040 = info->twl6040; 110cc697d38SMisael Lopez Cruz 111cc697d38SMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL, 0x00); 112cc697d38SMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR, 0x00); 113cc697d38SMisael Lopez Cruz twl6040_power(info->twl6040, 0); 114cc697d38SMisael Lopez Cruz 115cc697d38SMisael Lopez Cruz regulator_bulk_disable(ARRAY_SIZE(info->supplies), info->supplies); 116cc697d38SMisael Lopez Cruz 117cc697d38SMisael Lopez Cruz info->enabled = false; 118cc697d38SMisael Lopez Cruz } 119cc697d38SMisael Lopez Cruz 120cc697d38SMisael Lopez Cruz static u8 twl6040_vibra_code(int vddvib, int vibdrv_res, int motor_res, 121cc697d38SMisael Lopez Cruz int speed, int direction) 122cc697d38SMisael Lopez Cruz { 123cc697d38SMisael Lopez Cruz int vpk, max_code; 124cc697d38SMisael Lopez Cruz u8 vibdat; 125cc697d38SMisael Lopez Cruz 126cc697d38SMisael Lopez Cruz /* output swing */ 127cc697d38SMisael Lopez Cruz vpk = (vddvib * motor_res * TWL6040_VIBRA_MOD) / 128cc697d38SMisael Lopez Cruz (100 * (vibdrv_res + motor_res)); 129cc697d38SMisael Lopez Cruz 130cc697d38SMisael Lopez Cruz /* 50mV per VIBDAT code step */ 131cc697d38SMisael Lopez Cruz max_code = vpk / 50; 132cc697d38SMisael Lopez Cruz if (max_code > TWL6040_VIBDAT_MAX) 133cc697d38SMisael Lopez Cruz max_code = TWL6040_VIBDAT_MAX; 134cc697d38SMisael Lopez Cruz 135cc697d38SMisael Lopez Cruz /* scale speed to max allowed code */ 136cc697d38SMisael Lopez Cruz vibdat = (u8)((speed * max_code) / USHRT_MAX); 137cc697d38SMisael Lopez Cruz 138cc697d38SMisael Lopez Cruz /* 2's complement for direction > 180 degrees */ 139cc697d38SMisael Lopez Cruz vibdat *= direction; 140cc697d38SMisael Lopez Cruz 141cc697d38SMisael Lopez Cruz return vibdat; 142cc697d38SMisael Lopez Cruz } 143cc697d38SMisael Lopez Cruz 144cc697d38SMisael Lopez Cruz static void twl6040_vibra_set_effect(struct vibra_info *info) 145cc697d38SMisael Lopez Cruz { 146cc697d38SMisael Lopez Cruz struct twl6040 *twl6040 = info->twl6040; 147cc697d38SMisael Lopez Cruz u8 vibdatl, vibdatr; 148cc697d38SMisael Lopez Cruz int volt; 149cc697d38SMisael Lopez Cruz 150cc697d38SMisael Lopez Cruz /* weak motor */ 151cc697d38SMisael Lopez Cruz volt = regulator_get_voltage(info->supplies[0].consumer) / 1000; 152cc697d38SMisael Lopez Cruz vibdatl = twl6040_vibra_code(volt, info->vibldrv_res, 153cc697d38SMisael Lopez Cruz info->viblmotor_res, 154cc697d38SMisael Lopez Cruz info->weak_speed, info->direction); 155cc697d38SMisael Lopez Cruz 156cc697d38SMisael Lopez Cruz /* strong motor */ 157cc697d38SMisael Lopez Cruz volt = regulator_get_voltage(info->supplies[1].consumer) / 1000; 158cc697d38SMisael Lopez Cruz vibdatr = twl6040_vibra_code(volt, info->vibrdrv_res, 159cc697d38SMisael Lopez Cruz info->vibrmotor_res, 160cc697d38SMisael Lopez Cruz info->strong_speed, info->direction); 161cc697d38SMisael Lopez Cruz 162cc697d38SMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBDATL, vibdatl); 163cc697d38SMisael Lopez Cruz twl6040_reg_write(twl6040, TWL6040_REG_VIBDATR, vibdatr); 164cc697d38SMisael Lopez Cruz } 165cc697d38SMisael Lopez Cruz 166cc697d38SMisael Lopez Cruz static void vibra_play_work(struct work_struct *work) 167cc697d38SMisael Lopez Cruz { 168cc697d38SMisael Lopez Cruz struct vibra_info *info = container_of(work, 169cc697d38SMisael Lopez Cruz struct vibra_info, play_work); 17028a994faSH. Nikolaus Schaller int ret; 17128a994faSH. Nikolaus Schaller 17228a994faSH. Nikolaus Schaller /* Do not allow effect, while the routing is set to use audio */ 17328a994faSH. Nikolaus Schaller ret = twl6040_get_vibralr_status(info->twl6040); 17428a994faSH. Nikolaus Schaller if (ret & TWL6040_VIBSEL) { 17528a994faSH. Nikolaus Schaller dev_info(info->dev, "Vibra is configured for audio\n"); 17628a994faSH. Nikolaus Schaller return; 17728a994faSH. Nikolaus Schaller } 178cc697d38SMisael Lopez Cruz 179cc697d38SMisael Lopez Cruz if (info->weak_speed || info->strong_speed) { 180cc697d38SMisael Lopez Cruz if (!info->enabled) 181cc697d38SMisael Lopez Cruz twl6040_vibra_enable(info); 182cc697d38SMisael Lopez Cruz 183cc697d38SMisael Lopez Cruz twl6040_vibra_set_effect(info); 184cc697d38SMisael Lopez Cruz } else if (info->enabled) 185cc697d38SMisael Lopez Cruz twl6040_vibra_disable(info); 186cc697d38SMisael Lopez Cruz 187cc697d38SMisael Lopez Cruz } 188cc697d38SMisael Lopez Cruz 189cc697d38SMisael Lopez Cruz static int vibra_play(struct input_dev *input, void *data, 190cc697d38SMisael Lopez Cruz struct ff_effect *effect) 191cc697d38SMisael Lopez Cruz { 192cc697d38SMisael Lopez Cruz struct vibra_info *info = input_get_drvdata(input); 1935f07c32eSPeter Ujfalusi 194cc697d38SMisael Lopez Cruz info->weak_speed = effect->u.rumble.weak_magnitude; 195cc697d38SMisael Lopez Cruz info->strong_speed = effect->u.rumble.strong_magnitude; 196cc697d38SMisael Lopez Cruz info->direction = effect->direction < EFFECT_DIR_180_DEG ? 1 : -1; 197cc697d38SMisael Lopez Cruz 1985f7fb6f1SH. Nikolaus Schaller schedule_work(&info->play_work); 199cc697d38SMisael Lopez Cruz 200cc697d38SMisael Lopez Cruz return 0; 201cc697d38SMisael Lopez Cruz } 202cc697d38SMisael Lopez Cruz 203cc697d38SMisael Lopez Cruz static void twl6040_vibra_close(struct input_dev *input) 204cc697d38SMisael Lopez Cruz { 205cc697d38SMisael Lopez Cruz struct vibra_info *info = input_get_drvdata(input); 206cc697d38SMisael Lopez Cruz 207cc697d38SMisael Lopez Cruz cancel_work_sync(&info->play_work); 208cc697d38SMisael Lopez Cruz 209cc697d38SMisael Lopez Cruz if (info->enabled) 210cc697d38SMisael Lopez Cruz twl6040_vibra_disable(info); 211cc697d38SMisael Lopez Cruz } 212cc697d38SMisael Lopez Cruz 21397a652a8SJingoo Han static int __maybe_unused twl6040_vibra_suspend(struct device *dev) 214cc697d38SMisael Lopez Cruz { 215cc697d38SMisael Lopez Cruz struct platform_device *pdev = to_platform_device(dev); 216cc697d38SMisael Lopez Cruz struct vibra_info *info = platform_get_drvdata(pdev); 217cc697d38SMisael Lopez Cruz 2189e4cc255SH. Nikolaus Schaller cancel_work_sync(&info->play_work); 219cc697d38SMisael Lopez Cruz 220cc697d38SMisael Lopez Cruz if (info->enabled) 221cc697d38SMisael Lopez Cruz twl6040_vibra_disable(info); 222cc697d38SMisael Lopez Cruz 223cc697d38SMisael Lopez Cruz return 0; 224cc697d38SMisael Lopez Cruz } 225cc697d38SMisael Lopez Cruz 226cc697d38SMisael Lopez Cruz static SIMPLE_DEV_PM_OPS(twl6040_vibra_pm_ops, twl6040_vibra_suspend, NULL); 227cc697d38SMisael Lopez Cruz 2285298cc4cSBill Pemberton static int twl6040_vibra_probe(struct platform_device *pdev) 229cc697d38SMisael Lopez Cruz { 230e7ec014aSPeter Ujfalusi struct device *twl6040_core_dev = pdev->dev.parent; 23132e573c4SDmitry Torokhov struct device_node *twl6040_core_node; 232cc697d38SMisael Lopez Cruz struct vibra_info *info; 2339ac7b1a3SPeter Ujfalusi int vddvibl_uV = 0; 2349ac7b1a3SPeter Ujfalusi int vddvibr_uV = 0; 2351f9e1470SFabio Estevam int error; 236cc697d38SMisael Lopez Cruz 237dcaf12a8SJohan Hovold twl6040_core_node = of_get_child_by_name(twl6040_core_dev->of_node, 238e7ec014aSPeter Ujfalusi "vibra"); 2397bf2a98aSPeter Ujfalusi if (!twl6040_core_node) { 2407bf2a98aSPeter Ujfalusi dev_err(&pdev->dev, "parent of node is missing?\n"); 241cc697d38SMisael Lopez Cruz return -EINVAL; 242cc697d38SMisael Lopez Cruz } 243cc697d38SMisael Lopez Cruz 244b2ebcc1bSPeter Ujfalusi info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); 245cc697d38SMisael Lopez Cruz if (!info) { 246f048dd17SLibo Chen of_node_put(twl6040_core_node); 247cc697d38SMisael Lopez Cruz dev_err(&pdev->dev, "couldn't allocate memory\n"); 248cc697d38SMisael Lopez Cruz return -ENOMEM; 249cc697d38SMisael Lopez Cruz } 250cc697d38SMisael Lopez Cruz 251cc697d38SMisael Lopez Cruz info->dev = &pdev->dev; 2529ac7b1a3SPeter Ujfalusi 253cc697d38SMisael Lopez Cruz info->twl6040 = dev_get_drvdata(pdev->dev.parent); 2547bf2a98aSPeter Ujfalusi 255e7ec014aSPeter Ujfalusi of_property_read_u32(twl6040_core_node, "ti,vibldrv-res", 256e7ec014aSPeter Ujfalusi &info->vibldrv_res); 257e7ec014aSPeter Ujfalusi of_property_read_u32(twl6040_core_node, "ti,vibrdrv-res", 258e7ec014aSPeter Ujfalusi &info->vibrdrv_res); 259e7ec014aSPeter Ujfalusi of_property_read_u32(twl6040_core_node, "ti,viblmotor-res", 2609ac7b1a3SPeter Ujfalusi &info->viblmotor_res); 261e7ec014aSPeter Ujfalusi of_property_read_u32(twl6040_core_node, "ti,vibrmotor-res", 2629ac7b1a3SPeter Ujfalusi &info->vibrmotor_res); 2637bf2a98aSPeter Ujfalusi of_property_read_u32(twl6040_core_node, "ti,vddvibl-uV", &vddvibl_uV); 2647bf2a98aSPeter Ujfalusi of_property_read_u32(twl6040_core_node, "ti,vddvibr-uV", &vddvibr_uV); 2659ac7b1a3SPeter Ujfalusi 266f048dd17SLibo Chen of_node_put(twl6040_core_node); 267f048dd17SLibo Chen 268cc697d38SMisael Lopez Cruz if ((!info->vibldrv_res && !info->viblmotor_res) || 269cc697d38SMisael Lopez Cruz (!info->vibrdrv_res && !info->vibrmotor_res)) { 270cc697d38SMisael Lopez Cruz dev_err(info->dev, "invalid vibra driver/motor resistance\n"); 271b2ebcc1bSPeter Ujfalusi return -EINVAL; 272cc697d38SMisael Lopez Cruz } 273cc697d38SMisael Lopez Cruz 274625cbe46SPeter Ujfalusi info->irq = platform_get_irq(pdev, 0); 2750bec8b7eSStephen Boyd if (info->irq < 0) 276b2ebcc1bSPeter Ujfalusi return -EINVAL; 277625cbe46SPeter Ujfalusi 2781f9e1470SFabio Estevam error = devm_request_threaded_irq(&pdev->dev, info->irq, NULL, 2794be01a29SFabio Estevam twl6040_vib_irq_handler, 2804be01a29SFabio Estevam IRQF_ONESHOT, 281b2ebcc1bSPeter Ujfalusi "twl6040_irq_vib", info); 2821f9e1470SFabio Estevam if (error) { 2831f9e1470SFabio Estevam dev_err(info->dev, "VIB IRQ request failed: %d\n", error); 2841f9e1470SFabio Estevam return error; 285b2ebcc1bSPeter Ujfalusi } 286b2ebcc1bSPeter Ujfalusi 287b2ebcc1bSPeter Ujfalusi info->supplies[0].supply = "vddvibl"; 288b2ebcc1bSPeter Ujfalusi info->supplies[1].supply = "vddvibr"; 289b2ebcc1bSPeter Ujfalusi /* 290b2ebcc1bSPeter Ujfalusi * When booted with Device tree the regulators are attached to the 291b2ebcc1bSPeter Ujfalusi * parent device (twl6040 MFD core) 292b2ebcc1bSPeter Ujfalusi */ 2931f9e1470SFabio Estevam error = devm_regulator_bulk_get(twl6040_core_dev, 2941f9e1470SFabio Estevam ARRAY_SIZE(info->supplies), 2957bf2a98aSPeter Ujfalusi info->supplies); 2961f9e1470SFabio Estevam if (error) { 2971f9e1470SFabio Estevam dev_err(info->dev, "couldn't get regulators %d\n", error); 2981f9e1470SFabio Estevam return error; 299b2ebcc1bSPeter Ujfalusi } 300b2ebcc1bSPeter Ujfalusi 301b2ebcc1bSPeter Ujfalusi if (vddvibl_uV) { 3021f9e1470SFabio Estevam error = regulator_set_voltage(info->supplies[0].consumer, 303b2ebcc1bSPeter Ujfalusi vddvibl_uV, vddvibl_uV); 3041f9e1470SFabio Estevam if (error) { 305b2ebcc1bSPeter Ujfalusi dev_err(info->dev, "failed to set VDDVIBL volt %d\n", 3061f9e1470SFabio Estevam error); 3071f9e1470SFabio Estevam return error; 308b2ebcc1bSPeter Ujfalusi } 309b2ebcc1bSPeter Ujfalusi } 310b2ebcc1bSPeter Ujfalusi 311b2ebcc1bSPeter Ujfalusi if (vddvibr_uV) { 3121f9e1470SFabio Estevam error = regulator_set_voltage(info->supplies[1].consumer, 313b2ebcc1bSPeter Ujfalusi vddvibr_uV, vddvibr_uV); 3141f9e1470SFabio Estevam if (error) { 315b2ebcc1bSPeter Ujfalusi dev_err(info->dev, "failed to set VDDVIBR volt %d\n", 3161f9e1470SFabio Estevam error); 3171f9e1470SFabio Estevam return error; 318b2ebcc1bSPeter Ujfalusi } 319b2ebcc1bSPeter Ujfalusi } 320b2ebcc1bSPeter Ujfalusi 321b2ebcc1bSPeter Ujfalusi INIT_WORK(&info->play_work, vibra_play_work); 322b2ebcc1bSPeter Ujfalusi 3231f9e1470SFabio Estevam info->input_dev = devm_input_allocate_device(&pdev->dev); 3241f9e1470SFabio Estevam if (!info->input_dev) { 325cc697d38SMisael Lopez Cruz dev_err(info->dev, "couldn't allocate input device\n"); 3261f9e1470SFabio Estevam return -ENOMEM; 327cc697d38SMisael Lopez Cruz } 328cc697d38SMisael Lopez Cruz 329cc697d38SMisael Lopez Cruz input_set_drvdata(info->input_dev, info); 330cc697d38SMisael Lopez Cruz 331cc697d38SMisael Lopez Cruz info->input_dev->name = "twl6040:vibrator"; 332cc697d38SMisael Lopez Cruz info->input_dev->id.version = 1; 333cc697d38SMisael Lopez Cruz info->input_dev->close = twl6040_vibra_close; 334cc697d38SMisael Lopez Cruz __set_bit(FF_RUMBLE, info->input_dev->ffbit); 335cc697d38SMisael Lopez Cruz 3361f9e1470SFabio Estevam error = input_ff_create_memless(info->input_dev, NULL, vibra_play); 3371f9e1470SFabio Estevam if (error) { 338cc697d38SMisael Lopez Cruz dev_err(info->dev, "couldn't register vibrator to FF\n"); 3391f9e1470SFabio Estevam return error; 340cc697d38SMisael Lopez Cruz } 341cc697d38SMisael Lopez Cruz 3421f9e1470SFabio Estevam error = input_register_device(info->input_dev); 3431f9e1470SFabio Estevam if (error) { 344cc697d38SMisael Lopez Cruz dev_err(info->dev, "couldn't register input device\n"); 3451f9e1470SFabio Estevam return error; 346cc697d38SMisael Lopez Cruz } 347cc697d38SMisael Lopez Cruz 348cc697d38SMisael Lopez Cruz platform_set_drvdata(pdev, info); 349cc697d38SMisael Lopez Cruz 350cc697d38SMisael Lopez Cruz return 0; 351cc697d38SMisael Lopez Cruz } 352cc697d38SMisael Lopez Cruz 353cc697d38SMisael Lopez Cruz static struct platform_driver twl6040_vibra_driver = { 354cc697d38SMisael Lopez Cruz .probe = twl6040_vibra_probe, 355cc697d38SMisael Lopez Cruz .driver = { 356cc697d38SMisael Lopez Cruz .name = "twl6040-vibra", 357cc697d38SMisael Lopez Cruz .pm = &twl6040_vibra_pm_ops, 358cc697d38SMisael Lopez Cruz }, 359cc697d38SMisael Lopez Cruz }; 360840a746bSJJ Ding module_platform_driver(twl6040_vibra_driver); 361cc697d38SMisael Lopez Cruz 362cc697d38SMisael Lopez Cruz MODULE_ALIAS("platform:twl6040-vibra"); 363cc697d38SMisael Lopez Cruz MODULE_DESCRIPTION("TWL6040 Vibra driver"); 364cc697d38SMisael Lopez Cruz MODULE_LICENSE("GPL"); 365cc697d38SMisael Lopez Cruz MODULE_AUTHOR("Jorge Eduardo Candelaria <jorge.candelaria@ti.com>"); 366cc697d38SMisael Lopez Cruz MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>"); 367