diff options
| -rw-r--r-- | drivers/input/misc/sc27xx-vibra.c | 71 |
1 files changed, 59 insertions, 12 deletions
diff --git a/drivers/input/misc/sc27xx-vibra.c b/drivers/input/misc/sc27xx-vibra.c index 295251abbdac..1478017f0968 100644 --- a/drivers/input/misc/sc27xx-vibra.c +++ b/drivers/input/misc/sc27xx-vibra.c @@ -3,45 +3,82 @@ * Copyright (C) 2018 Spreadtrum Communications Inc. */ +#include <linux/device.h> +#include <linux/input.h> +#include <linux/mod_devicetable.h> #include <linux/module.h> -#include <linux/of_address.h> #include <linux/platform_device.h> +#include <linux/property.h> #include <linux/regmap.h> -#include <linux/input.h> #include <linux/workqueue.h> -#define CUR_DRV_CAL_SEL GENMASK(13, 12) -#define SLP_LDOVIBR_PD_EN BIT(9) -#define LDO_VIBR_PD BIT(8) +#define CUR_DRV_CAL_SEL GENMASK(13, 12) +#define SLP_LDOVIBR_PD_EN BIT(9) +#define LDO_VIBR_PD BIT(8) +#define SC2730_CUR_DRV_CAL_SEL 0 +#define SC2730_SLP_LDOVIBR_PD_EN BIT(14) +#define SC2730_LDO_VIBR_PD BIT(13) + +struct sc27xx_vibra_data { + u32 cur_drv_cal_sel; + u32 slp_pd_en; + u32 ldo_pd; +}; struct vibra_info { struct input_dev *input_dev; struct work_struct play_work; struct regmap *regmap; + const struct sc27xx_vibra_data *data; u32 base; u32 strength; bool enabled; }; +static const struct sc27xx_vibra_data sc2731_data = { + .cur_drv_cal_sel = CUR_DRV_CAL_SEL, + .slp_pd_en = SLP_LDOVIBR_PD_EN, + .ldo_pd = LDO_VIBR_PD, +}; + +static const struct sc27xx_vibra_data sc2730_data = { + .cur_drv_cal_sel = SC2730_CUR_DRV_CAL_SEL, + .slp_pd_en = SC2730_SLP_LDOVIBR_PD_EN, + .ldo_pd = SC2730_LDO_VIBR_PD, +}; + +static const struct sc27xx_vibra_data sc2721_data = { + .cur_drv_cal_sel = CUR_DRV_CAL_SEL, + .slp_pd_en = SLP_LDOVIBR_PD_EN, + .ldo_pd = LDO_VIBR_PD, +}; + static void sc27xx_vibra_set(struct vibra_info *info, bool on) { + const struct sc27xx_vibra_data *data = info->data; if (on) { - regmap_update_bits(info->regmap, info->base, LDO_VIBR_PD, 0); + regmap_update_bits(info->regmap, info->base, data->ldo_pd, 0); regmap_update_bits(info->regmap, info->base, - SLP_LDOVIBR_PD_EN, 0); + data->slp_pd_en, 0); info->enabled = true; } else { - regmap_update_bits(info->regmap, info->base, LDO_VIBR_PD, - LDO_VIBR_PD); + regmap_update_bits(info->regmap, info->base, data->ldo_pd, + data->ldo_pd); regmap_update_bits(info->regmap, info->base, - SLP_LDOVIBR_PD_EN, SLP_LDOVIBR_PD_EN); + data->slp_pd_en, data->slp_pd_en); info->enabled = false; } } static int sc27xx_vibra_hw_init(struct vibra_info *info) { - return regmap_update_bits(info->regmap, info->base, CUR_DRV_CAL_SEL, 0); + const struct sc27xx_vibra_data *data = info->data; + + if (!data->cur_drv_cal_sel) + return 0; + + return regmap_update_bits(info->regmap, info->base, + data->cur_drv_cal_sel, 0); } static void sc27xx_vibra_play_work(struct work_struct *work) @@ -78,8 +115,15 @@ static void sc27xx_vibra_close(struct input_dev *input) static int sc27xx_vibra_probe(struct platform_device *pdev) { struct vibra_info *info; + const struct sc27xx_vibra_data *data; int error; + data = device_get_match_data(&pdev->dev); + if (!data) { + dev_err(&pdev->dev, "no matching driver data found\n"); + return -EINVAL; + } + info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; @@ -105,6 +149,7 @@ static int sc27xx_vibra_probe(struct platform_device *pdev) info->input_dev->name = "sc27xx:vibrator"; info->input_dev->id.version = 0; info->input_dev->close = sc27xx_vibra_close; + info->data = data; input_set_drvdata(info->input_dev, info); input_set_capability(info->input_dev, EV_FF, FF_RUMBLE); @@ -134,7 +179,9 @@ static int sc27xx_vibra_probe(struct platform_device *pdev) } static const struct of_device_id sc27xx_vibra_of_match[] = { - { .compatible = "sprd,sc2731-vibrator", }, + { .compatible = "sprd,sc2721-vibrator", .data = &sc2721_data }, + { .compatible = "sprd,sc2730-vibrator", .data = &sc2730_data }, + { .compatible = "sprd,sc2731-vibrator", .data = &sc2731_data }, {} }; MODULE_DEVICE_TABLE(of, sc27xx_vibra_of_match); |