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-rw-r--r--drivers/input/misc/Kconfig23
-rw-r--r--drivers/input/misc/Makefile2
-rw-r--r--drivers/input/misc/ab8500-ponkey.c2
-rw-r--r--drivers/input/misc/adxl34x.c2
-rw-r--r--drivers/input/misc/ariel-pwrbutton.c169
-rw-r--r--drivers/input/misc/cm109.c7
-rw-r--r--drivers/input/misc/da7280.c1329
-rw-r--r--drivers/input/misc/drv260x.c30
-rw-r--r--drivers/input/misc/drv2665.c14
-rw-r--r--drivers/input/misc/drv2667.c18
-rw-r--r--drivers/input/misc/ixp4xx-beeper.c2
-rw-r--r--drivers/input/misc/kxtj9.c4
-rw-r--r--drivers/input/misc/mc13783-pwrbutton.c2
-rw-r--r--drivers/input/misc/pcspkr.c1
-rw-r--r--drivers/input/misc/sc27xx-vibra.c71
-rw-r--r--drivers/input/misc/sirfsoc-onkey.c2
-rw-r--r--drivers/input/misc/soc_button_array.c12
-rw-r--r--drivers/input/misc/wm831x-on.c2
18 files changed, 1640 insertions, 52 deletions
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 362e8a01980c..ad1b6c90bc4d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -73,6 +73,17 @@ config INPUT_AD714X_SPI
To compile this driver as a module, choose M here: the
module will be called ad714x-spi.
+config INPUT_ARIEL_PWRBUTTON
+ tristate "Dell Wyse 3020 Power Button Driver"
+ depends on SPI
+ depends on MACH_MMP3_DT || COMPILE_TEST
+ help
+ Say Y to enable support for reporting power button status on
+ on Dell Wyse 3020 ("Ariel") thin client.
+
+ To compile this driver as a module, choose M here: the module
+ will be called ariel-pwrbutton.
+
config INPUT_ARIZONA_HAPTICS
tristate "Arizona haptics support"
depends on MFD_ARIZONA && SND_SOC
@@ -609,6 +620,18 @@ config INPUT_RB532_BUTTON
To compile this driver as a module, choose M here: the
module will be called rb532_button.
+config INPUT_DA7280_HAPTICS
+ tristate "Dialog Semiconductor DA7280 haptics support"
+ depends on INPUT && I2C
+ select REGMAP_I2C
+ help
+ Say Y to enable support for the Dialog DA7280 haptics driver.
+ The haptics can be controlled by PWM or GPIO
+ with I2C communication.
+
+ To compile this driver as a module, choose M here: the
+ module will be called da7280.
+
config INPUT_DA9052_ONKEY
tristate "Dialog DA9052/DA9053 Onkey"
depends on PMIC_DA9052
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index a48e5f2d859d..7f202ba8f775 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_INPUT_ADXL34X) += adxl34x.o
obj-$(CONFIG_INPUT_ADXL34X_I2C) += adxl34x-i2c.o
obj-$(CONFIG_INPUT_ADXL34X_SPI) += adxl34x-spi.o
obj-$(CONFIG_INPUT_APANEL) += apanel.o
+obj-$(CONFIG_INPUT_ARIEL_PWRBUTTON) += ariel-pwrbutton.o
obj-$(CONFIG_INPUT_ARIZONA_HAPTICS) += arizona-haptics.o
obj-$(CONFIG_INPUT_ATI_REMOTE2) += ati_remote2.o
obj-$(CONFIG_INPUT_ATLAS_BTNS) += atlas_btns.o
@@ -25,6 +26,7 @@ obj-$(CONFIG_INPUT_CMA3000) += cma3000_d0x.o
obj-$(CONFIG_INPUT_CMA3000_I2C) += cma3000_d0x_i2c.o
obj-$(CONFIG_INPUT_COBALT_BTNS) += cobalt_btns.o
obj-$(CONFIG_INPUT_CPCAP_PWRBUTTON) += cpcap-pwrbutton.o
+obj-$(CONFIG_INPUT_DA7280_HAPTICS) += da7280.o
obj-$(CONFIG_INPUT_DA9052_ONKEY) += da9052_onkey.o
obj-$(CONFIG_INPUT_DA9055_ONKEY) += da9055_onkey.o
obj-$(CONFIG_INPUT_DA9063_ONKEY) += da9063_onkey.o
diff --git a/drivers/input/misc/ab8500-ponkey.c b/drivers/input/misc/ab8500-ponkey.c
index ea3b8292acdd..a9b9013680d6 100644
--- a/drivers/input/misc/ab8500-ponkey.c
+++ b/drivers/input/misc/ab8500-ponkey.c
@@ -19,7 +19,7 @@
/**
* struct ab8500_ponkey - ab8500 ponkey information
- * @input_dev: pointer to input device
+ * @idev: pointer to input device
* @ab8500: ab8500 parent
* @irq_dbf: irq number for falling transition
* @irq_dbr: irq number for rising transition
diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c
index 5fe92d4ba3f0..4cc4e8ff42b3 100644
--- a/drivers/input/misc/adxl34x.c
+++ b/drivers/input/misc/adxl34x.c
@@ -696,7 +696,7 @@ struct adxl34x *adxl34x_probe(struct device *dev, int irq,
struct input_dev *input_dev;
const struct adxl34x_platform_data *pdata;
int err, range, i;
- unsigned char revid;
+ int revid;
if (!irq) {
dev_err(dev, "no IRQ?\n");
diff --git a/drivers/input/misc/ariel-pwrbutton.c b/drivers/input/misc/ariel-pwrbutton.c
new file mode 100644
index 000000000000..eda86ab552b9
--- /dev/null
+++ b/drivers/input/misc/ariel-pwrbutton.c
@@ -0,0 +1,169 @@
+// SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0-or-later
+/*
+ * Dell Wyse 3020 a.k.a. "Ariel" Power Button Driver
+ *
+ * Copyright (C) 2020 Lubomir Rintel
+ */
+
+#include <linux/device.h>
+#include <linux/gfp.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+
+#define RESP_COUNTER(response) (response.header & 0x3)
+#define RESP_SIZE(response) ((response.header >> 2) & 0x3)
+#define RESP_TYPE(response) ((response.header >> 4) & 0xf)
+
+struct ec_input_response {
+ u8 reserved;
+ u8 header;
+ u8 data[3];
+} __packed;
+
+struct ariel_pwrbutton {
+ struct spi_device *client;
+ struct input_dev *input;
+ u8 msg_counter;
+};
+
+static int ec_input_read(struct ariel_pwrbutton *priv,
+ struct ec_input_response *response)
+{
+ u8 read_request[] = { 0x00, 0x5a, 0xa5, 0x00, 0x00 };
+ struct spi_device *spi = priv->client;
+ struct spi_transfer t = {
+ .tx_buf = read_request,
+ .rx_buf = response,
+ .len = sizeof(read_request),
+ };
+
+ compiletime_assert(sizeof(read_request) == sizeof(*response),
+ "SPI xfer request/response size mismatch");
+
+ return spi_sync_transfer(spi, &t, 1);
+}
+
+static irqreturn_t ec_input_interrupt(int irq, void *dev_id)
+{
+ struct ariel_pwrbutton *priv = dev_id;
+ struct spi_device *spi = priv->client;
+ struct ec_input_response response;
+ int error;
+ int i;
+
+ error = ec_input_read(priv, &response);
+ if (error < 0) {
+ dev_err(&spi->dev, "EC read failed: %d\n", error);
+ goto out;
+ }
+
+ if (priv->msg_counter == RESP_COUNTER(response)) {
+ dev_warn(&spi->dev, "No new data to read?\n");
+ goto out;
+ }
+
+ priv->msg_counter = RESP_COUNTER(response);
+
+ if (RESP_TYPE(response) != 0x3 && RESP_TYPE(response) != 0xc) {
+ dev_dbg(&spi->dev, "Ignoring message that's not kbd data\n");
+ goto out;
+ }
+
+ for (i = 0; i < RESP_SIZE(response); i++) {
+ switch (response.data[i]) {
+ case 0x74:
+ input_report_key(priv->input, KEY_POWER, 1);
+ input_sync(priv->input);
+ break;
+ case 0xf4:
+ input_report_key(priv->input, KEY_POWER, 0);
+ input_sync(priv->input);
+ break;
+ default:
+ dev_dbg(&spi->dev, "Unknown scan code: %02x\n",
+ response.data[i]);
+ }
+ }
+
+out:
+ return IRQ_HANDLED;
+}
+
+static int ariel_pwrbutton_probe(struct spi_device *spi)
+{
+ struct ec_input_response response;
+ struct ariel_pwrbutton *priv;
+ int error;
+
+ if (!spi->irq) {
+ dev_err(&spi->dev, "Missing IRQ.\n");
+ return -EINVAL;
+ }
+
+ priv = devm_kzalloc(&spi->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->client = spi;
+ spi_set_drvdata(spi, priv);
+
+ priv->input = devm_input_allocate_device(&spi->dev);
+ if (!priv->input)
+ return -ENOMEM;
+ priv->input->name = "Power Button";
+ priv->input->dev.parent = &spi->dev;
+ input_set_capability(priv->input, EV_KEY, KEY_POWER);
+ error = input_register_device(priv->input);
+ if (error) {
+ dev_err(&spi->dev, "error registering input device: %d\n", error);
+ return error;
+ }
+
+ error = ec_input_read(priv, &response);
+ if (error < 0) {
+ dev_err(&spi->dev, "EC read failed: %d\n", error);
+ return error;
+ }
+ priv->msg_counter = RESP_COUNTER(response);
+
+ error = devm_request_threaded_irq(&spi->dev, spi->irq, NULL,
+ ec_input_interrupt,
+ IRQF_ONESHOT,
+ "Ariel EC Input", priv);
+
+ if (error) {
+ dev_err(&spi->dev, "Failed to request IRQ %d: %d\n",
+ spi->irq, error);
+ return error;
+ }
+
+ return 0;
+}
+
+static const struct of_device_id ariel_pwrbutton_of_match[] = {
+ { .compatible = "dell,wyse-ariel-ec-input" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ariel_pwrbutton_of_match);
+
+static const struct spi_device_id ariel_pwrbutton_id_table[] = {
+ { "wyse-ariel-ec-input", 0 },
+ {}
+};
+MODULE_DEVICE_TABLE(spi, ariel_pwrbutton_id_table);
+
+static struct spi_driver ariel_pwrbutton_driver = {
+ .driver = {
+ .name = "dell-wyse-ariel-ec-input",
+ .of_match_table = ariel_pwrbutton_of_match,
+ },
+ .probe = ariel_pwrbutton_probe,
+};
+module_spi_driver(ariel_pwrbutton_driver);
+
+MODULE_AUTHOR("Lubomir Rintel <lkundrak@v3.sk>");
+MODULE_DESCRIPTION("Dell Wyse 3020 Power Button Input Driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c
index e413801f0491..f515fae465c3 100644
--- a/drivers/input/misc/cm109.c
+++ b/drivers/input/misc/cm109.c
@@ -568,12 +568,15 @@ static int cm109_input_open(struct input_dev *idev)
dev->ctl_data->byte[HID_OR2] = dev->keybit;
dev->ctl_data->byte[HID_OR3] = 0x00;
+ dev->ctl_urb_pending = 1;
error = usb_submit_urb(dev->urb_ctl, GFP_KERNEL);
- if (error)
+ if (error) {
+ dev->ctl_urb_pending = 0;
dev_err(&dev->intf->dev, "%s: usb_submit_urb (urb_ctl) failed %d\n",
__func__, error);
- else
+ } else {
dev->open = 1;
+ }
mutex_unlock(&dev->pm_mutex);
diff --git a/drivers/input/misc/da7280.c b/drivers/input/misc/da7280.c
new file mode 100644
index 000000000000..37568b00873d
--- /dev/null
+++ b/drivers/input/misc/da7280.c
@@ -0,0 +1,1329 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * DA7280 Haptic device driver
+ *
+ * Copyright (c) 2020 Dialog Semiconductor.
+ * Author: Roy Im <Roy.Im.Opensource@diasemi.com>
+ */
+
+#include <linux/bitfield.h>
+#include <linux/bitops.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/pwm.h>
+#include <linux/regmap.h>
+#include <linux/workqueue.h>
+#include <linux/uaccess.h>
+
+/* Registers */
+#define DA7280_IRQ_EVENT1 0x03
+#define DA7280_IRQ_EVENT_WARNING_DIAG 0x04
+#define DA7280_IRQ_EVENT_SEQ_DIAG 0x05
+#define DA7280_IRQ_STATUS1 0x06
+#define DA7280_IRQ_MASK1 0x07
+#define DA7280_FRQ_LRA_PER_H 0x0A
+#define DA7280_FRQ_LRA_PER_L 0x0B
+#define DA7280_ACTUATOR1 0x0C
+#define DA7280_ACTUATOR2 0x0D
+#define DA7280_ACTUATOR3 0x0E
+#define DA7280_CALIB_V2I_H 0x0F
+#define DA7280_CALIB_V2I_L 0x10
+#define DA7280_TOP_CFG1 0x13
+#define DA7280_TOP_CFG2 0x14
+#define DA7280_TOP_CFG4 0x16
+#define DA7280_TOP_INT_CFG1 0x17
+#define DA7280_TOP_CTL1 0x22
+#define DA7280_TOP_CTL2 0x23
+#define DA7280_SEQ_CTL2 0x28
+#define DA7280_GPI_0_CTL 0x29
+#define DA7280_GPI_1_CTL 0x2A
+#define DA7280_GPI_2_CTL 0x2B
+#define DA7280_MEM_CTL1 0x2C
+#define DA7280_MEM_CTL2 0x2D
+#define DA7280_TOP_CFG5 0x6E
+#define DA7280_IRQ_MASK2 0x83
+#define DA7280_SNP_MEM_99 0xE7
+
+/* Register field */
+
+/* DA7280_IRQ_EVENT1 (Address 0x03) */
+#define DA7280_E_SEQ_CONTINUE_MASK BIT(0)
+#define DA7280_E_UVLO_MASK BIT(1)
+#define DA7280_E_SEQ_DONE_MASK BIT(2)
+#define DA7280_E_OVERTEMP_CRIT_MASK BIT(3)
+#define DA7280_E_SEQ_FAULT_MASK BIT(4)
+#define DA7280_E_WARNING_MASK BIT(5)
+#define DA7280_E_ACTUATOR_FAULT_MASK BIT(6)
+#define DA7280_E_OC_FAULT_MASK BIT(7)
+
+/* DA7280_IRQ_EVENT_WARNING_DIAG (Address 0x04) */
+#define DA7280_E_OVERTEMP_WARN_MASK BIT(3)
+#define DA7280_E_MEM_TYPE_MASK BIT(4)
+#define DA7280_E_LIM_DRIVE_ACC_MASK BIT(6)
+#define DA7280_E_LIM_DRIVE_MASK BIT(7)
+
+/* DA7280_IRQ_EVENT_PAT_DIAG (Address 0x05) */
+#define DA7280_E_PWM_FAULT_MASK BIT(5)
+#define DA7280_E_MEM_FAULT_MASK BIT(6)
+#define DA7280_E_SEQ_ID_FAULT_MASK BIT(7)
+
+/* DA7280_IRQ_STATUS1 (Address 0x06) */
+#define DA7280_STA_SEQ_CONTINUE_MASK BIT(0)
+#define DA7280_STA_UVLO_VBAT_OK_MASK BIT(1)
+#define DA7280_STA_SEQ_DONE_MASK BIT(2)
+#define DA7280_STA_OVERTEMP_CRIT_MASK BIT(3)
+#define DA7280_STA_SEQ_FAULT_MASK BIT(4)
+#define DA7280_STA_WARNING_MASK BIT(5)
+#define DA7280_STA_ACTUATOR_MASK BIT(6)
+#define DA7280_STA_OC_MASK BIT(7)
+
+/* DA7280_IRQ_MASK1 (Address 0x07) */
+#define DA7280_SEQ_CONTINUE_M_MASK BIT(0)
+#define DA7280_E_UVLO_M_MASK BIT(1)
+#define DA7280_SEQ_DONE_M_MASK BIT(2)
+#define DA7280_OVERTEMP_CRIT_M_MASK BIT(3)
+#define DA7280_SEQ_FAULT_M_MASK BIT(4)
+#define DA7280_WARNING_M_MASK BIT(5)
+#define DA7280_ACTUATOR_M_MASK BIT(6)
+#define DA7280_OC_M_MASK BIT(7)
+
+/* DA7280_ACTUATOR3 (Address 0x0e) */
+#define DA7280_IMAX_MASK GENMASK(4, 0)
+
+/* DA7280_TOP_CFG1 (Address 0x13) */
+#define DA7280_AMP_PID_EN_MASK BIT(0)
+#define DA7280_RAPID_STOP_EN_MASK BIT(1)
+#define DA7280_ACCELERATION_EN_MASK BIT(2)
+#define DA7280_FREQ_TRACK_EN_MASK BIT(3)
+#define DA7280_BEMF_SENSE_EN_MASK BIT(4)
+#define DA7280_ACTUATOR_TYPE_MASK BIT(5)
+
+/* DA7280_TOP_CFG2 (Address 0x14) */
+#define DA7280_FULL_BRAKE_THR_MASK GENMASK(3, 0)
+#define DA7280_MEM_DATA_SIGNED_MASK BIT(4)
+
+/* DA7280_TOP_CFG4 (Address 0x16) */
+#define DA7280_TST_CALIB_IMPEDANCE_DIS_MASK BIT(6)
+#define DA7280_V2I_FACTOR_FREEZE_MASK BIT(7)
+
+/* DA7280_TOP_INT_CFG1 (Address 0x17) */
+#define DA7280_BEMF_FAULT_LIM_MASK GENMASK(1, 0)
+
+/* DA7280_TOP_CTL1 (Address 0x22) */
+#define DA7280_OPERATION_MODE_MASK GENMASK(2, 0)
+#define DA7280_STANDBY_EN_MASK BIT(3)
+#define DA7280_SEQ_START_MASK BIT(4)
+
+/* DA7280_SEQ_CTL2 (Address 0x28) */
+#define DA7280_PS_SEQ_ID_MASK GENMASK(3, 0)
+#define DA7280_PS_SEQ_LOOP_MASK GENMASK(7, 4)
+
+/* DA7280_GPIO_0_CTL (Address 0x29) */
+#define DA7280_GPI0_POLARITY_MASK GENMASK(1, 0)
+#define DA7280_GPI0_MODE_MASK BIT(2)
+#define DA7280_GPI0_SEQUENCE_ID_MASK GENMASK(6, 3)
+
+/* DA7280_GPIO_1_CTL (Address 0x2a) */
+#define DA7280_GPI1_POLARITY_MASK GENMASK(1, 0)
+#define DA7280_GPI1_MODE_MASK BIT(2)
+#define DA7280_GPI1_SEQUENCE_ID_MASK GENMASK(6, 3)
+
+/* DA7280_GPIO_2_CTL (Address 0x2b) */
+#define DA7280_GPI2_POLARITY_MASK GENMASK(1, 0)
+#define DA7280_GPI2_MODE_MASK BIT(2)
+#define DA7280_GPI2_SEQUENCE_ID_MASK GENMASK(6, 3)
+
+/* DA7280_MEM_CTL2 (Address 0x2d) */
+#define DA7280_WAV_MEM_LOCK_MASK BIT(7)
+
+/* DA7280_TOP_CFG5 (Address 0x6e) */
+#define DA7280_V2I_FACTOR_OFFSET_EN_MASK BIT(0)
+
+/* DA7280_IRQ_MASK2 (Address 0x83) */
+#define DA7280_ADC_SAT_M_MASK BIT(7)
+
+/* Controls */
+
+#define DA7280_VOLTAGE_RATE_MAX 6000000
+#define DA7280_VOLTAGE_RATE_STEP 23400
+#define DA7280_NOMMAX_DFT 0x6B
+#define DA7280_ABSMAX_DFT 0x78
+
+#define DA7280_IMPD_MAX 1500000000
+#define DA7280_IMPD_DEFAULT 22000000
+
+#define DA7280_IMAX_DEFAULT 0x0E
+#define DA7280_IMAX_STEP 7200
+#define DA7280_IMAX_LIMIT 252000
+
+#define DA7280_RESONT_FREQH_DFT 0x39
+#define DA7280_RESONT_FREQL_DFT 0x32
+#define DA7280_MIN_RESONAT_FREQ_HZ 50
+#define DA7280_MAX_RESONAT_FREQ_HZ 300
+
+#define DA7280_SEQ_ID_MAX 15
+#define DA7280_SEQ_LOOP_MAX 15
+#define DA7280_GPI_SEQ_ID_DFT 0
+#define DA7280_GPI_SEQ_ID_MAX 2
+
+#define DA7280_SNP_MEM_SIZE 100
+#define DA7280_SNP_MEM_MAX DA7280_SNP_MEM_99
+
+#define DA7280_IRQ_NUM 3
+
+#define DA7280_SKIP_INIT 0x100
+
+#define DA7280_FF_EFFECT_COUNT_MAX 15
+
+/* Maximum gain is 0x7fff for PWM mode */
+#define DA7280_MAX_MAGNITUDE_SHIFT 15
+
+enum da7280_haptic_dev_t {
+ DA7280_LRA = 0,
+ DA7280_ERM_BAR = 1,
+ DA7280_ERM_COIN = 2,
+ DA7280_DEV_MAX,
+};
+
+enum da7280_op_mode {
+ DA7280_INACTIVE = 0,
+ DA7280_DRO_MODE = 1,
+ DA7280_PWM_MODE = 2,
+ DA7280_RTWM_MODE = 3,
+ DA7280_ETWM_MODE = 4,
+ DA7280_OPMODE_MAX,
+};
+
+#define DA7280_FF_CONSTANT_DRO 1
+#define DA7280_FF_PERIODIC_PWM 2
+#define DA7280_FF_PERIODIC_RTWM 1
+#define DA7280_FF_PERIODIC_ETWM 2
+
+#define DA7280_FF_PERIODIC_MODE DA7280_RTWM_MODE
+#define DA7280_FF_CONSTANT_MODE DA7280_DRO_MODE
+
+enum da7280_custom_effect_param {
+ DA7280_CUSTOM_SEQ_ID_IDX = 0,
+ DA7280_CUSTOM_SEQ_LOOP_IDX = 1,
+ DA7280_CUSTOM_DATA_LEN = 2,
+};
+
+enum da7280_custom_gpi_effect_param {
+ DA7280_CUSTOM_GPI_SEQ_ID_IDX = 0,
+ DA7280_CUSTOM_GPI_NUM_IDX = 2,
+ DA7280_CUSTOM_GP_DATA_LEN = 3,
+};
+
+struct da7280_gpi_ctl {
+ u8 seq_id;
+ u8 mode;
+ u8 polarity;
+};
+
+struct da7280_haptic {
+ struct regmap *regmap;
+ struct input_dev *input_dev;
+ struct device *dev;
+ struct i2c_client *client;
+ struct pwm_device *pwm_dev;
+
+ bool legacy;
+ struct work_struct work;
+ int val;
+ u16 gain;
+ s16 level;
+
+ u8 dev_type;
+ u8 op_mode;
+ u8 const_op_mode;
+ u8 periodic_op_mode;
+ u16 nommax;
+ u16 absmax;
+ u32 imax;
+ u32 impd;
+ u32 resonant_freq_h;
+ u32 resonant_freq_l;
+ bool bemf_sense_en;
+ bool freq_track_en;
+ bool acc_en;
+ bool rapid_stop_en;
+ bool amp_pid_en;
+ u8 ps_seq_id;
+ u8 ps_seq_loop;
+ struct da7280_gpi_ctl gpi_ctl[3];
+ bool mem_update;
+ u8 snp_mem[DA7280_SNP_MEM_SIZE];
+ bool active;
+ bool suspended;
+};
+
+static bool da7280_volatile_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case DA7280_IRQ_EVENT1:
+ case DA7280_IRQ_EVENT_WARNING_DIAG:
+ case DA7280_IRQ_EVENT_SEQ_DIAG:
+ case DA7280_IRQ_STATUS1:
+ case DA7280_TOP_CTL1:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static const struct regmap_config da7280_haptic_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = DA7280_SNP_MEM_MAX,
+ .volatile_reg = da7280_volatile_register,
+};
+
+static int da7280_haptic_mem_update(struct da7280_haptic *haptics)
+{
+ unsigned int val;
+ int error;
+
+ /* The patterns should be updated when haptic is not working */
+ error = regmap_read(haptics->regmap, DA7280_IRQ_STATUS1, &val);
+ if (error)
+ return error;
+ if (val & DA7280_STA_WARNING_MASK) {
+ dev_warn(haptics->dev,
+ "Warning! Please check HAPTIC status.\n");
+ return -EBUSY;
+ }
+
+ /* Patterns are not updated if the lock bit is enabled */
+ val = 0;
+ error = regmap_read(haptics->regmap, DA7280_MEM_CTL2, &val);
+ if (error)
+ return error;
+ if (~val & DA7280_WAV_MEM_LOCK_MASK) {
+ dev_warn(haptics->dev, "Please unlock the bit first\n");
+ return -EACCES;
+ }
+
+ /* Set to Inactive mode to make sure safety */
+ error = regmap_update_bits(haptics->regmap,
+ DA7280_TOP_CTL1,
+ DA7280_OPERATION_MODE_MASK,
+ 0);
+ if (error)
+ return error;
+
+ error = regmap_read(haptics->regmap, DA7280_MEM_CTL1, &val);
+ if (error)
+ return error;
+
+ return regmap_bulk_write(haptics->regmap, val, haptics->snp_mem,
+ DA7280_SNP_MEM_MAX - val + 1);
+}
+
+static int da7280_haptic_set_pwm(struct da7280_haptic *haptics, bool enabled)
+{
+ struct pwm_state state;
+ u64 period_mag_multi;
+ int error;
+
+ if (!haptics->gain && enabled) {
+ dev_err(haptics->dev, "Unable to enable pwm with 0 gain\n");
+ return -EINVAL;
+ }
+
+ pwm_get_state(haptics->pwm_dev, &state);
+ state.enabled = enabled;
+ if (enabled) {
+ period_mag_multi = (u64)state.period * haptics->gain;
+ period_mag_multi >>= DA7280_MAX_MAGNITUDE_SHIFT;
+
+ /*
+ * The interpretation of duty cycle depends on the acc_en,
+ * it should be between 50% and 100% for acc_en = 0.
+ * See datasheet 'PWM mode' section.
+ */
+ if (!haptics->acc_en) {
+ period_mag_multi += state.period;
+ period_mag_multi /= 2;
+ }
+
+ state.duty_cycle = period_mag_multi;
+ }
+
+ error = pwm_apply_state(haptics->pwm_dev, &state);
+ if (error)
+ dev_err(haptics->dev, "Failed to apply pwm state: %d\n", error);
+
+ return error;
+}
+
+static void da7280_haptic_activate(struct da7280_haptic *haptics)
+{
+ int error;
+
+ if (haptics->active)
+ return;
+
+ switch (haptics->op_mode) {
+ case DA7280_DRO_MODE:
+ /* the valid range check when acc_en is enabled */
+ if (haptics->acc_en && haptics->level > 0x7F)
+ haptics->level = 0x7F;
+ else if (haptics->level > 0xFF)
+ haptics->level = 0xFF;
+
+ /* Set level as a % of ACTUATOR_NOMMAX (nommax) */
+ error = regmap_write(haptics->regmap, DA7280_TOP_CTL2,
+ haptics->level);
+ if (error) {
+ dev_err(haptics->dev,
+ "Failed to set level to %d: %d\n",
+ haptics->level, error);
+ return;
+ }
+ break;
+
+ case DA7280_PWM_MODE:
+ if (da7280_haptic_set_pwm(haptics, true))
+ return;
+ break;
+
+ case DA7280_RTWM_MODE:
+ /*
+ * The pattern will be played by the PS_SEQ_ID and the
+ * PS_SEQ_LOOP
+ */
+ break;
+
+ case DA7280_ETWM_MODE:
+ /*
+ * The pattern will be played by the GPI[N] state,
+ * GPI(N)_SEQUENCE_ID and the PS_SEQ_LOOP. See the
+ * datasheet for the details.
+ */
+ break;
+
+ default:
+ dev_err(haptics->dev, "Invalid op mode %d\n", haptics->op_mode);
+ return;
+ }
+
+ error = regmap_update_bits(haptics->regmap,
+ DA7280_TOP_CTL1,
+ DA7280_OPERATION_MODE_MASK,
+ haptics->op_mode);
+ if (error) {
+ dev_err(haptics->dev,
+ "Failed to set operation mode: %d", error);
+ return;
+ }
+
+ if (haptics->op_mode == DA7280_PWM_MODE ||
+ haptics->op_mode == DA7280_RTWM_MODE) {
+ error = regmap_update_bits(haptics->regmap,
+ DA7280_TOP_CTL1,
+ DA7280_SEQ_START_MASK,
+ DA7280_SEQ_START_MASK);
+ if (error) {
+ dev_err(haptics->dev,
+ "Failed to start sequence: %d\n", error);
+ return;
+ }
+ }
+
+ haptics->active = true;
+}
+
+static void da7280_haptic_deactivate(struct da7280_haptic *haptics)
+{
+ int error;
+
+ if (!haptics->active)
+ return;
+
+ /* Set to Inactive mode */
+ error = regmap_update_bits(haptics->regmap,
+ DA7280_TOP_CTL1,
+ DA7280_OPERATION_MODE_MASK, 0);
+ if (error) {
+ dev_err(haptics->dev,
+ "Failed to clear operation mode: %d", error);
+ return;
+ }
+
+ switch (haptics->op_mode) {
+ case DA7280_DRO_MODE:
+ error = regmap_write(haptics->regmap,
+ DA7280_TOP_CTL2, 0);
+ if (error) {
+ dev_err(haptics->dev,
+ "Failed to disable DRO mode: %d\n", error);
+ return;
+ }
+ break;
+
+ case DA7280_PWM_MODE:
+ if (da7280_haptic_set_pwm(haptics, false))
+ return;
+ break;
+
+ case DA7280_RTWM_MODE:
+ case DA7280_ETWM_MODE:
+ error = regmap_update_bits(haptics->regmap,
+ DA7280_TOP_CTL1,
+ DA7280_SEQ_START_MASK, 0);
+ if (error) {
+ dev_err(haptics->dev,
+ "Failed to disable RTWM/ETWM mode: %d\n",
+ error);
+ return;
+ }
+ break;
+
+ default:
+ dev_err(haptics->dev, "Invalid op mode %d\n", haptics->op_mode);
+ return;
+ }
+
+ haptics->active = false;
+}
+
+static void da7280_haptic_work(struct work_struct *work)
+{
+ struct da7280_haptic *haptics =
+ container_of(work, struct da7280_haptic, work);
+ int val = haptics->val;
+
+ if (val)
+ da7280_haptic_activate(haptics);
+ else
+ da7280_haptic_deactivate(haptics);
+}
+
+static int da7280_haptics_upload_effect(struct input_dev *dev,
+ struct ff_effect *effect,
+ struct ff_effect *old)
+{
+ struct da7280_haptic *haptics = input_get_drvdata(dev);
+ s16 data[DA7280_SNP_MEM_SIZE] = { 0 };
+ unsigned int val;
+ int tmp, i, num;
+ int error;
+
+ /* The effect should be uploaded when haptic is not working */
+ if (haptics->active)
+ return -EBUSY;
+
+ switch (effect->type) {
+ /* DRO/PWM modes support this type */
+ case FF_CONSTANT:
+ haptics->op_mode = haptics->const_op_mode;
+ if (haptics->op_mode == DA7280_DRO_MODE) {
+ tmp = effect->u.constant.level * 254;
+ haptics->level = tmp / 0x7FFF;
+ break;
+ }
+
+ haptics->gain = effect->u.constant.level <= 0 ?
+ 0 : effect->u.constant.level;
+ break;
+
+ /* RTWM/ETWM modes support this type */
+ case FF_PERIODIC:
+ if (effect->u.periodic.waveform != FF_CUSTOM) {
+ dev_err(haptics->dev,
+ "Device can only accept FF_CUSTOM waveform\n");
+ return -EINVAL;
+ }
+
+ /*
+ * Load the data and check the length.
+ * the data will be patterns in this case: 4 < X <= 100,
+ * and will be saved into the waveform memory inside DA728x.
+ * If X = 2, the data will be PS_SEQ_ID and PS_SEQ_LOOP.
+ * If X = 3, the 1st data will be GPIX_SEQUENCE_ID .
+ */
+ if (effect->u.periodic.custom_len == DA7280_CUSTOM_DATA_LEN)
+ goto set_seq_id_loop;
+
+ if (effect->u.periodic.custom_len == DA7280_CUSTOM_GP_DATA_LEN)
+ goto set_gpix_seq_id;
+
+ if (effect->u.periodic.custom_len < DA7280_CUSTOM_DATA_LEN ||
+ effect->u.periodic.custom_len > DA7280_SNP_MEM_SIZE) {
+ dev_err(haptics->dev, "Invalid waveform data size\n");
+ return -EINVAL;
+ }
+
+ if (copy_from_user(data, effect->u.periodic.custom_data,
+ sizeof(s16) *
+ effect->u.periodic.custom_len))
+ return -EFAULT;
+
+ memset(haptics->snp_mem, 0, DA7280_SNP_MEM_SIZE);
+
+ for (i = 0; i < effect->u.periodic.custom_len; i++) {
+ if (data[i] < 0 || data[i] > 0xff) {
+ dev_err(haptics->dev,
+ "Invalid waveform data %d at offset %d\n",
+ data[i], i);
+ return -EINVAL;
+ }
+ haptics->snp_mem[i] = (u8)data[i];
+ }
+
+ error = da7280_haptic_mem_update(haptics);
+ if (error) {
+ dev_err(haptics->dev,
+ "Failed to upload waveform: %d\n", error);
+ return error;
+ }
+ break;
+
+set_seq_id_loop:
+ if (copy_from_user(data, effect->u.periodic.custom_data,
+ sizeof(s16) * DA7280_CUSTOM_DATA_LEN))
+ return -EFAULT;
+
+ if (data[DA7280_CUSTOM_SEQ_ID_IDX] < 0 ||
+ data[DA7280_CUSTOM_SEQ_ID_IDX] > DA7280_SEQ_ID_MAX ||
+ data[DA7280_CUSTOM_SEQ_LOOP_IDX] < 0 ||
+ data[DA7280_CUSTOM_SEQ_LOOP_IDX] > DA7280_SEQ_LOOP_MAX) {
+ dev_err(haptics->dev,
+ "Invalid custom id (%d) or loop (%d)\n",
+ data[DA7280_CUSTOM_SEQ_ID_IDX],
+ data[DA7280_CUSTOM_SEQ_LOOP_IDX]);
+ return -EINVAL;
+ }
+
+ haptics->ps_seq_id = data[DA7280_CUSTOM_SEQ_ID_IDX] & 0x0f;
+ haptics->ps_seq_loop = data[DA7280_CUSTOM_SEQ_LOOP_IDX] & 0x0f;
+ haptics->op_mode = haptics->periodic_op_mode;
+
+ val = FIELD_PREP(DA7280_PS_SEQ_ID_MASK, haptics->ps_seq_id) |
+ FIELD_PREP(DA7280_PS_SEQ_LOOP_MASK,
+ haptics->ps_seq_loop);
+ error = regmap_write(haptics->regmap, DA7280_SEQ_CTL2, val);
+ if (error) {
+ dev_err(haptics->dev,
+ "Failed to update PS sequence: %d\n", error);
+ return error;
+ }
+ break;
+
+set_gpix_seq_id:
+ if (copy_from_user(data, effect->u.periodic.custom_data,
+ sizeof(s16) * DA7280_CUSTOM_GP_DATA_LEN))
+ return -EFAULT;
+
+ if (data[DA7280_CUSTOM_GPI_SEQ_ID_IDX] < 0 ||
+ data[DA7280_CUSTOM_GPI_SEQ_ID_IDX] > DA7280_SEQ_ID_MAX ||
+ data[DA7280_CUSTOM_GPI_NUM_IDX] < 0 ||
+ data[DA7280_CUSTOM_GPI_NUM_IDX] > DA7280_GPI_SEQ_ID_MAX) {
+ dev_err(haptics->dev,
+ "Invalid custom GPI id (%d) or num (%d)\n",
+ data[DA7280_CUSTOM_GPI_SEQ_ID_IDX],
+ data[DA7280_CUSTOM_GPI_NUM_IDX]);
+ return -EINVAL;
+ }
+
+ num = data[DA7280_CUSTOM_GPI_NUM_IDX] & 0x0f;
+ haptics->gpi_ctl[num].seq_id =
+ data[DA7280_CUSTOM_GPI_SEQ_ID_IDX] & 0x0f;
+ haptics->op_mode = haptics->periodic_op_mode;
+
+ val = FIELD_PREP(DA7280_GPI0_SEQUENCE_ID_MASK,
+ haptics->gpi_ctl[num].seq_id);
+ error = regmap_update_bits(haptics->regmap,
+ DA7280_GPI_0_CTL + num,
+ DA7280_GPI0_SEQUENCE_ID_MASK,
+ val);
+ if (error) {
+ dev_err(haptics->dev,
+ "Failed to update GPI sequence: %d\n", error);
+ return error;
+ }
+ break;
+
+ default:
+ dev_err(haptics->dev, "Unsupported effect type: %d\n",
+ effect->type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int da7280_haptics_playback(struct input_dev *dev,
+ int effect_id, int val)
+{
+ struct da7280_haptic *haptics = input_get_drvdata(dev);
+
+ if (!haptics->op_mode) {
+ dev_warn(haptics->dev, "No effects have been uploaded\n");
+ return -EINVAL;
+ }
+
+ if (likely(!haptics->suspended)) {
+ haptics->val = val;
+ schedule_work(&haptics->work);
+ }
+
+ return 0;
+}
+
+static int da7280_haptic_start(struct da7280_haptic *haptics)
+{
+ int error;
+
+ error = regmap_update_bits(haptics->regmap,
+ DA7280_TOP_CTL1,
+ DA7280_STANDBY_EN_MASK,
+ DA7280_STANDBY_EN_MASK);
+ if (error) {
+ dev_err(haptics->dev, "Unable to enable device: %d\n", error);
+ return error;
+ }
+
+ return 0;
+}
+
+static void da7280_haptic_stop(struct da7280_haptic *haptics)
+{
+ int error;
+
+ cancel_work_sync(&haptics->work);
+
+
+ da7280_haptic_deactivate(haptics);
+
+ error = regmap_update_bits(haptics->regmap, DA7280_TOP_CTL1,
+ DA7280_STANDBY_EN_MASK, 0);
+ if (error)
+ dev_err(haptics->dev, "Failed to disable device: %d\n", error);
+}
+
+static int da7280_haptic_open(struct input_dev *dev)
+{
+ struct da7280_haptic *haptics = input_get_drvdata(dev);
+
+ return da7280_haptic_start(haptics);
+}
+
+static void da7280_haptic_close(struct input_dev *dev)
+{
+ struct da7280_haptic *haptics = input_get_drvdata(dev);
+
+ da7280_haptic_stop(haptics);
+}
+
+static u8 da7280_haptic_of_mode_str(struct device *dev,
+ const char *str)
+{
+ if (!strcmp(str, "LRA")) {
+ return DA7280_LRA;
+ } else if (!strcmp(str, "ERM-bar")) {
+ return DA7280_ERM_BAR;
+ } else if (!strcmp(str, "ERM-coin")) {
+ return DA7280_ERM_COIN;
+ } else {
+ dev_warn(dev, "Invalid string - set to LRA\n");
+ return DA7280_LRA;
+ }
+}
+
+static u8 da7280_haptic_of_gpi_mode_str(struct device *dev,
+ const char *str)
+{
+ if (!strcmp(str, "Single-pattern")) {
+ return 0;
+ } else if (!strcmp(str, "Multi-pattern")) {
+ return 1;
+ } else {
+ dev_warn(dev, "Invalid string - set to Single-pattern\n");
+ return 0;
+ }
+}
+
+static u8 da7280_haptic_of_gpi_pol_str(struct device *dev,
+ const char *str)
+{
+ if (!strcmp(str, "Rising-edge")) {
+ return 0;
+ } else if (!strcmp(str, "Falling-edge")) {
+ return 1;
+ } else if (!strcmp(str, "Both-edge")) {
+ return 2;
+ } else {
+ dev_warn(dev, "Invalid string - set to Rising-edge\n");
+ return 0;
+ }
+}
+
+static u8 da7280_haptic_of_volt_rating_set(u32 val)
+{
+ u32 voltage = val / DA7280_VOLTAGE_RATE_STEP + 1;
+
+ return min_t(u32, voltage, 0xff);
+}
+
+static void da7280_parse_properties(struct device *dev,
+ struct da7280_haptic *haptics)
+{
+ unsigned int i, mem[DA7280_SNP_MEM_SIZE];
+ char gpi_str1[] = "dlg,gpi0-seq-id";
+ char gpi_str2[] = "dlg,gpi0-mode";
+ char gpi_str3[] = "dlg,gpi0-polarity";
+ const char *str;
+ u32 val;
+ int error;
+
+ /*
+ * If there is no property, then use the mode programmed into the chip.
+ */
+ haptics->dev_type = DA7280_DEV_MAX;
+ error = device_property_read_string(dev, "dlg,actuator-type", &str);
+ if (!error)
+ haptics->dev_type = da7280_haptic_of_mode_str(dev, str);
+
+ haptics->const_op_mode = DA7280_DRO_MODE;
+ error = device_property_read_u32(dev, "dlg,const-op-mode", &val);
+ if (!error && val == DA7280_FF_PERIODIC_PWM)
+ haptics->const_op_mode = DA7280_PWM_MODE;
+
+ haptics->periodic_op_mode = DA7280_RTWM_MODE;
+ error = device_property_read_u32(dev, "dlg,periodic-op-mode", &val);
+ if (!error && val == DA7280_FF_PERIODIC_ETWM)
+ haptics->periodic_op_mode = DA7280_ETWM_MODE;
+
+ haptics->nommax = DA7280_SKIP_INIT;
+ error = device_property_read_u32(dev, "dlg,nom-microvolt", &val);
+ if (!error && val < DA7280_VOLTAGE_RATE_MAX)
+ haptics->nommax = da7280_haptic_of_volt_rating_set(val);
+
+ haptics->absmax = DA7280_SKIP_INIT;
+ error = device_property_read_u32(dev, "dlg,abs-max-microvolt", &val);
+ if (!error && val < DA7280_VOLTAGE_RATE_MAX)
+ haptics->absmax = da7280_haptic_of_volt_rating_set(val);
+
+ haptics->imax = DA7280_IMAX_DEFAULT;
+ error = device_property_read_u32(dev, "dlg,imax-microamp", &val);
+ if (!error && val < DA7280_IMAX_LIMIT)
+ haptics->imax = (val - 28600) / DA7280_IMAX_STEP + 1;
+
+ haptics->impd = DA7280_IMPD_DEFAULT;
+ error = device_property_read_u32(dev, "dlg,impd-micro-ohms", &val);
+ if (!error && val <= DA7280_IMPD_MAX)
+ haptics->impd = val;
+
+ haptics->resonant_freq_h = DA7280_SKIP_INIT;
+ haptics->resonant_freq_l = DA7280_SKIP_INIT;
+ error = device_property_read_u32(dev, "dlg,resonant-freq-hz", &val);
+ if (!error) {
+ if (val < DA7280_MAX_RESONAT_FREQ_HZ &&
+ val > DA7280_MIN_RESONAT_FREQ_HZ) {
+ haptics->resonant_freq_h =
+ ((1000000000 / (val * 1333)) >> 7) & 0xFF;
+ haptics->resonant_freq_l =
+ (1000000000 / (val * 1333)) & 0x7F;
+ } else {
+ haptics->resonant_freq_h = DA7280_RESONT_FREQH_DFT;
+ haptics->resonant_freq_l = DA7280_RESONT_FREQL_DFT;
+ }
+ }
+
+ /* If no property, set to zero as default is to do nothing. */
+ haptics->ps_seq_id = 0;
+ error = device_property_read_u32(dev, "dlg,ps-seq-id", &val);
+ if (!error && val <= DA7280_SEQ_ID_MAX)
+ haptics->ps_seq_id = val;
+
+ haptics->ps_seq_loop = 0;
+ error = device_property_read_u32(dev, "dlg,ps-seq-loop", &val);
+ if (!error && val <= DA7280_SEQ_LOOP_MAX)
+ haptics->ps_seq_loop = val;
+
+ /* GPI0~2 Control */
+ for (i = 0; i <= DA7280_GPI_SEQ_ID_MAX; i++) {
+ gpi_str1[7] = '0' + i;
+ haptics->gpi_ctl[i].seq_id = DA7280_GPI_SEQ_ID_DFT + i;
+ error = device_property_read_u32 (dev, gpi_str1, &val);
+ if (!error && val <= DA7280_SEQ_ID_MAX)
+ haptics->gpi_ctl[i].seq_id = val;
+
+ gpi_str2[7] = '0' + i;
+ haptics->gpi_ctl[i].mode = 0;
+ error = device_property_read_string(dev, gpi_str2, &str);
+ if (!error)
+ haptics->gpi_ctl[i].mode =
+ da7280_haptic_of_gpi_mode_str(dev, str);
+
+ gpi_str3[7] = '0' + i;
+ haptics->gpi_ctl[i].polarity = 0;
+ error = device_property_read_string(dev, gpi_str3, &str);
+ haptics->gpi_ctl[i].polarity =
+ da7280_haptic_of_gpi_pol_str(dev, str);
+ }
+
+ haptics->bemf_sense_en =
+ device_property_read_bool(dev, "dlg,bemf-sens-enable");
+ haptics->freq_track_en =
+ device_property_read_bool(dev, "dlg,freq-track-enable");
+ haptics->acc_en =
+ device_property_read_bool(dev, "dlg,acc-enable");
+ haptics->rapid_stop_en =
+ device_property_read_bool(dev, "dlg,rapid-stop-enable");
+ haptics->amp_pid_en =
+ device_property_read_bool(dev, "dlg,amp-pid-enable");
+
+ haptics->mem_update = false;
+ error = device_property_read_u32_array(dev, "dlg,mem-array",
+ &mem[0], DA7280_SNP_MEM_SIZE);
+ if (!error) {
+ haptics->mem_update = true;
+ memset(haptics->snp_mem, 0, DA7280_SNP_MEM_SIZE);
+ for (i = 0; i < DA7280_SNP_MEM_SIZE; i++) {
+ if (mem[i] <= 0xff) {
+ haptics->snp_mem[i] = (u8)mem[i];
+ } else {
+ dev_err(haptics->dev,
+ "Invalid data in mem-array at %d: %x\n",
+ i, mem[i]);
+ haptics->mem_update = false;
+ break;
+ }
+ }
+ }
+}
+
+static irqreturn_t da7280_irq_handler(int irq, void *data)
+{
+ struct da7280_haptic *haptics = data;
+ struct device *dev = haptics->dev;
+ u8 events[DA7280_IRQ_NUM];
+ int error;
+
+ /* Check what events have happened */
+ error = regmap_bulk_read(haptics->regmap, DA7280_IRQ_EVENT1,
+ events, sizeof(events));
+ if (error) {
+ dev_err(dev, "failed to read interrupt data: %d\n", error);
+ goto out;
+ }
+
+ /* Clear events */
+ error = regmap_write(haptics->regmap, DA7280_IRQ_EVENT1, events[0]);
+ if (error) {
+ dev_err(dev, "failed to clear interrupts: %d\n", error);
+ goto out;
+ }
+
+ if (events[0] & DA7280_E_SEQ_FAULT_MASK) {
+ /*
+ * Stop first if haptic is active, otherwise, the fault may
+ * happen continually even though the bit is cleared.
+ */
+ error = regmap_update_bits(haptics->regmap, DA7280_TOP_CTL1,
+ DA7280_OPERATION_MODE_MASK, 0);
+ if (error)
+ dev_err(dev, "failed to clear op mode on fault: %d\n",
+ error);
+ }
+
+ if (events[0] & DA7280_E_SEQ_DONE_MASK)
+ haptics->active = false;
+
+ if (events[0] & DA7280_E_WARNING_MASK) {
+ if (events[1] & DA7280_E_LIM_DRIVE_MASK ||
+ events[1] & DA7280_E_LIM_DRIVE_ACC_MASK)
+ dev_warn(dev, "Please reduce the driver level\n");
+ if (events[1] & DA7280_E_MEM_TYPE_MASK)
+ dev_warn(dev, "Please check the mem data format\n");
+ if (events[1] & DA7280_E_OVERTEMP_WARN_MASK)
+ dev_warn(dev, "Over-temperature warning\n");
+ }
+
+ if (events[0] & DA7280_E_SEQ_FAULT_MASK) {
+ if (events[2] & DA7280_E_SEQ_ID_FAULT_MASK)
+ dev_info(dev, "Please reload PS_SEQ_ID & mem data\n");
+ if (events[2] & DA7280_E_MEM_FAULT_MASK)
+ dev_info(dev, "Please reload the mem data\n");
+ if (events[2] & DA7280_E_PWM_FAULT_MASK)
+ dev_info(dev, "Please restart PWM interface\n");
+ }
+
+out:
+ return IRQ_HANDLED;
+}
+
+static int da7280_init(struct da7280_haptic *haptics)
+{
+ unsigned int val = 0;
+ u32 v2i_factor;
+ int error, i;
+ u8 mask = 0;
+
+ /*
+ * If device type is DA7280_DEV_MAX then simply use currently
+ * programmed mode.
+ */
+ if (haptics->dev_type == DA7280_DEV_MAX) {
+ error = regmap_read(haptics->regmap, DA7280_TOP_CFG1, &val);
+ if (error)
+ goto out_err;
+
+ haptics->dev_type = val & DA7280_ACTUATOR_TYPE_MASK ?
+ DA7280_ERM_COIN : DA7280_LRA;
+ }
+
+ /* Apply user settings */
+ if (haptics->dev_type == DA7280_LRA &&
+ haptics->resonant_freq_l != DA7280_SKIP_INIT) {
+ error = regmap_write(haptics->regmap, DA7280_FRQ_LRA_PER_H,
+ haptics->resonant_freq_h);
+ if (error)
+ goto out_err;
+ error = regmap_write(haptics->regmap, DA7280_FRQ_LRA_PER_L,
+ haptics->resonant_freq_l);
+ if (error)
+ goto out_err;
+ } else if (haptics->dev_type == DA7280_ERM_COIN) {
+ error = regmap_update_bits(haptics->regmap, DA7280_TOP_INT_CFG1,
+ DA7280_BEMF_FAULT_LIM_MASK, 0);
+ if (error)
+ goto out_err;
+
+ mask = DA7280_TST_CALIB_IMPEDANCE_DIS_MASK |
+ DA7280_V2I_FACTOR_FREEZE_MASK;
+ val = DA7280_TST_CALIB_IMPEDANCE_DIS_MASK |
+ DA7280_V2I_FACTOR_FREEZE_MASK;
+ error = regmap_update_bits(haptics->regmap, DA7280_TOP_CFG4,
+ mask, val);
+ if (error)
+ goto out_err;
+
+ haptics->acc_en = false;
+ haptics->rapid_stop_en = false;
+ haptics->amp_pid_en = false;
+ }
+
+ mask = DA7280_ACTUATOR_TYPE_MASK |
+ DA7280_BEMF_SENSE_EN_MASK |
+ DA7280_FREQ_TRACK_EN_MASK |
+ DA7280_ACCELERATION_EN_MASK |
+ DA7280_RAPID_STOP_EN_MASK |
+ DA7280_AMP_PID_EN_MASK;
+ val = FIELD_PREP(DA7280_ACTUATOR_TYPE_MASK,
+ (haptics->dev_type ? 1 : 0)) |
+ FIELD_PREP(DA7280_BEMF_SENSE_EN_MASK,
+ (haptics->bemf_sense_en ? 1 : 0)) |
+ FIELD_PREP(DA7280_FREQ_TRACK_EN_MASK,
+ (haptics->freq_track_en ? 1 : 0)) |
+ FIELD_PREP(DA7280_ACCELERATION_EN_MASK,
+ (haptics->acc_en ? 1 : 0)) |
+ FIELD_PREP(DA7280_RAPID_STOP_EN_MASK,
+ (haptics->rapid_stop_en ? 1 : 0)) |
+ FIELD_PREP(DA7280_AMP_PID_EN_MASK,
+ (haptics->amp_pid_en ? 1 : 0));
+
+ error = regmap_update_bits(haptics->regmap, DA7280_TOP_CFG1, mask, val);
+ if (error)
+ goto out_err;
+
+ error = regmap_update_bits(haptics->regmap, DA7280_TOP_CFG5,
+ DA7280_V2I_FACTOR_OFFSET_EN_MASK,
+ haptics->acc_en ?
+ DA7280_V2I_FACTOR_OFFSET_EN_MASK : 0);
+ if (error)
+ goto out_err;
+
+ error = regmap_update_bits(haptics->regmap,
+ DA7280_TOP_CFG2,
+ DA7280_MEM_DATA_SIGNED_MASK,
+ haptics->acc_en ?
+ 0 : DA7280_MEM_DATA_SIGNED_MASK);
+ if (error)
+ goto out_err;
+
+ if (haptics->nommax != DA7280_SKIP_INIT) {
+ error = regmap_write(haptics->regmap, DA7280_ACTUATOR1,
+ haptics->nommax);
+ if (error)
+ goto out_err;
+ }
+
+ if (haptics->absmax != DA7280_SKIP_INIT) {
+ error = regmap_write(haptics->regmap, DA7280_ACTUATOR2,
+ haptics->absmax);
+ if (error)
+ goto out_err;
+ }
+
+ error = regmap_update_bits(haptics->regmap, DA7280_ACTUATOR3,
+ DA7280_IMAX_MASK, haptics->imax);
+ if (error)
+ goto out_err;
+
+ v2i_factor = haptics->impd * (haptics->imax + 4) / 1610400;
+ error = regmap_write(haptics->regmap, DA7280_CALIB_V2I_L,
+ v2i_factor & 0xff);
+ if (error)
+ goto out_err;
+ error = regmap_write(haptics->regmap, DA7280_CALIB_V2I_H,
+ v2i_factor >> 8);
+ if (error)
+ goto out_err;
+
+ error = regmap_update_bits(haptics->regmap,
+ DA7280_TOP_CTL1,
+ DA7280_STANDBY_EN_MASK,
+ DA7280_STANDBY_EN_MASK);
+ if (error)
+ goto out_err;
+
+ if (haptics->mem_update) {
+ error = da7280_haptic_mem_update(haptics);
+ if (error)
+ goto out_err;
+ }
+
+ /* Set PS_SEQ_ID and PS_SEQ_LOOP */
+ val = FIELD_PREP(DA7280_PS_SEQ_ID_MASK, haptics->ps_seq_id) |
+ FIELD_PREP(DA7280_PS_SEQ_LOOP_MASK, haptics->ps_seq_loop);
+ error = regmap_write(haptics->regmap, DA7280_SEQ_CTL2, val);
+ if (error)
+ goto out_err;
+
+ /* GPI(N) CTL */
+ for (i = 0; i < 3; i++) {
+ val = FIELD_PREP(DA7280_GPI0_SEQUENCE_ID_MASK,
+ haptics->gpi_ctl[i].seq_id) |
+ FIELD_PREP(DA7280_GPI0_MODE_MASK,
+ haptics->gpi_ctl[i].mode) |
+ FIELD_PREP(DA7280_GPI0_POLARITY_MASK,
+ haptics->gpi_ctl[i].polarity);
+ error = regmap_write(haptics->regmap,
+ DA7280_GPI_0_CTL + i, val);
+ if (error)
+ goto out_err;
+ }
+
+ /* Mask ADC_SAT_M bit as default */
+ error = regmap_update_bits(haptics->regmap,
+ DA7280_IRQ_MASK2,
+ DA7280_ADC_SAT_M_MASK,
+ DA7280_ADC_SAT_M_MASK);
+ if (error)
+ goto out_err;
+
+ /* Clear Interrupts */
+ error = regmap_write(haptics->regmap, DA7280_IRQ_EVENT1, 0xff);
+ if (error)
+ goto out_err;
+
+ error = regmap_update_bits(haptics->regmap,
+ DA7280_IRQ_MASK1,
+ DA7280_SEQ_FAULT_M_MASK |
+ DA7280_SEQ_DONE_M_MASK,
+ 0);
+ if (error)
+ goto out_err;
+
+ haptics->active = false;
+ return 0;
+
+out_err:
+ dev_err(haptics->dev, "chip initialization error: %d\n", error);
+ return error;
+}
+
+static int da7280_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct device *dev = &client->dev;
+ struct da7280_haptic *haptics;
+ struct input_dev *input_dev;
+ struct pwm_state state;
+ struct ff_device *ff;
+ int error;
+
+ if (!client->irq) {
+ dev_err(dev, "No IRQ configured\n");
+ return -EINVAL;
+ }
+
+ haptics = devm_kzalloc(dev, sizeof(*haptics), GFP_KERNEL);
+ if (!haptics)
+ return -ENOMEM;
+
+ haptics->dev = dev;
+
+ da7280_parse_properties(dev, haptics);
+
+ if (haptics->const_op_mode == DA7280_PWM_MODE) {
+ haptics->pwm_dev = devm_pwm_get(dev, NULL);
+ error = PTR_ERR_OR_ZERO(haptics->pwm_dev);
+ if (error) {
+ if (error != -EPROBE_DEFER)
+ dev_err(dev, "Unable to request PWM: %d\n",
+ error);
+ return error;
+ }
+
+ /* Sync up PWM state and ensure it is off. */
+ pwm_init_state(haptics->pwm_dev, &state);
+ state.enabled = false;
+ error = pwm_apply_state(haptics->pwm_dev, &state);
+ if (error) {
+ dev_err(dev, "Failed to apply PWM state: %d\n", error);
+ return error;
+ }
+
+ /*
+ * Check PWM period, PWM freq = 1000000 / state.period.
+ * The valid PWM freq range: 10k ~ 250kHz.
+ */
+ if (state.period > 100000 || state.period < 4000) {
+ dev_err(dev, "Unsupported PWM period: %lld\n",
+ state.period);
+ return -EINVAL;
+ }
+ }
+
+ INIT_WORK(&haptics->work, da7280_haptic_work);
+
+ haptics->client = client;
+ i2c_set_clientdata(client, haptics);
+
+ haptics->regmap = devm_regmap_init_i2c(client,
+ &da7280_haptic_regmap_config);
+ error = PTR_ERR_OR_ZERO(haptics->regmap);
+ if (error) {
+ dev_err(dev, "Failed to allocate register map: %d\n", error);
+ return error;
+ }
+
+ error = da7280_init(haptics);
+ if (error) {
+ dev_err(dev, "Failed to initialize device: %d\n", error);
+ return error;
+ }
+
+ /* Initialize input device for haptic device */
+ input_dev = devm_input_allocate_device(dev);
+ if (!input_dev) {
+ dev_err(dev, "Failed to allocate input device\n");
+ return -ENOMEM;
+ }
+
+ input_dev->name = "da7280-haptic";
+ input_dev->dev.parent = client->dev.parent;
+ input_dev->open = da7280_haptic_open;
+ input_dev->close = da7280_haptic_close;
+ input_set_drvdata(input_dev, haptics);
+ haptics->input_dev = input_dev;
+
+ input_set_capability(haptics->input_dev, EV_FF, FF_PERIODIC);
+ input_set_capability(haptics->input_dev, EV_FF, FF_CUSTOM);
+ input_set_capability(haptics->input_dev, EV_FF, FF_CONSTANT);
+ input_set_capability(haptics->input_dev, EV_FF, FF_GAIN);
+
+ error = input_ff_create(haptics->input_dev,
+ DA7280_FF_EFFECT_COUNT_MAX);
+ if (error) {
+ dev_err(dev, "Failed to create FF input device: %d\n", error);
+ return error;
+ }
+
+ ff = input_dev->ff;
+ ff->upload = da7280_haptics_upload_effect;
+ ff->playback = da7280_haptics_playback;
+
+ error = input_register_device(input_dev);
+ if (error) {
+ dev_err(dev, "Failed to register input device: %d\n", error);
+ return error;
+ }
+
+ error = devm_request_threaded_irq(dev, client->irq,
+ NULL, da7280_irq_handler,
+ IRQF_ONESHOT,
+ "da7280-haptics", haptics);
+ if (error) {
+ dev_err(dev, "Failed to request IRQ %d: %d\n",
+ client->irq, error);
+ return error;
+ }
+
+ return 0;
+}
+
+static int __maybe_unused da7280_suspend(struct device *dev)
+{
+ struct da7280_haptic *haptics = dev_get_drvdata(dev);
+
+ mutex_lock(&haptics->input_dev->mutex);
+
+ /*
+ * Make sure no new requests will be submitted while device is
+ * suspended.
+ */
+ spin_lock_irq(&haptics->input_dev->event_lock);
+ haptics->suspended = true;
+ spin_unlock_irq(&haptics->input_dev->event_lock);
+
+ da7280_haptic_stop(haptics);
+
+ mutex_unlock(&haptics->input_dev->mutex);
+
+ return 0;
+}
+
+static int __maybe_unused da7280_resume(struct device *dev)
+{
+ struct da7280_haptic *haptics = dev_get_drvdata(dev);
+ int retval;
+
+ mutex_lock(&haptics->input_dev->mutex);
+
+ retval = da7280_haptic_start(haptics);
+ if (!retval) {
+ spin_lock_irq(&haptics->input_dev->event_lock);
+ haptics->suspended = false;
+ spin_unlock_irq(&haptics->input_dev->event_lock);
+ }
+
+ mutex_unlock(&haptics->input_dev->mutex);
+ return retval;
+}
+
+static const struct of_device_id da7280_of_match[] = {
+ { .compatible = "dlg,da7280", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, da7280_of_match);
+
+static const struct i2c_device_id da7280_i2c_id[] = {
+ { "da7280", },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, da7280_i2c_id);
+
+static SIMPLE_DEV_PM_OPS(da7280_pm_ops, da7280_suspend, da7280_resume);
+
+static struct i2c_driver da7280_driver = {
+ .driver = {
+ .name = "da7280",
+ .of_match_table = of_match_ptr(da7280_of_match),
+ .pm = &da7280_pm_ops,
+ },
+ .probe = da7280_probe,
+ .id_table = da7280_i2c_id,
+};
+module_i2c_driver(da7280_driver);
+
+MODULE_DESCRIPTION("DA7280 haptics driver");
+MODULE_AUTHOR("Roy Im <Roy.Im.Opensource@diasemi.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c
index 79d7fa710a71..0efe56f49aa9 100644
--- a/drivers/input/misc/drv260x.c
+++ b/drivers/input/misc/drv260x.c
@@ -167,17 +167,17 @@
/**
* struct drv260x_data -
- * @input_dev - Pointer to the input device
- * @client - Pointer to the I2C client
- * @regmap - Register map of the device
- * @work - Work item used to off load the enable/disable of the vibration
- * @enable_gpio - Pointer to the gpio used for enable/disabling
- * @regulator - Pointer to the regulator for the IC
- * @magnitude - Magnitude of the vibration event
- * @mode - The operating mode of the IC (LRA_NO_CAL, ERM or LRA)
- * @library - The vibration library to be used
- * @rated_voltage - The rated_voltage of the actuator
- * @overdriver_voltage - The over drive voltage of the actuator
+ * @input_dev: Pointer to the input device
+ * @client: Pointer to the I2C client
+ * @regmap: Register map of the device
+ * @work: Work item used to off load the enable/disable of the vibration
+ * @enable_gpio: Pointer to the gpio used for enable/disabling
+ * @regulator: Pointer to the regulator for the IC
+ * @magnitude: Magnitude of the vibration event
+ * @mode: The operating mode of the IC (LRA_NO_CAL, ERM or LRA)
+ * @library: The vibration library to be used
+ * @rated_voltage: The rated_voltage of the actuator
+ * @overdrive_voltage: The over drive voltage of the actuator
**/
struct drv260x_data {
struct input_dev *input_dev;
@@ -234,12 +234,12 @@ static const struct reg_default drv260x_reg_defs[] = {
#define DRV260X_DEF_RATED_VOLT 0x90
#define DRV260X_DEF_OD_CLAMP_VOLT 0x90
-/**
+/*
* Rated and Overdriver Voltages:
* Calculated using the formula r = v * 255 / 5.6
* where r is what will be written to the register
* and v is the rated or overdriver voltage of the actuator
- **/
+ */
static int drv260x_calculate_voltage(unsigned int voltage)
{
return (voltage * 255 / 5600);
@@ -580,7 +580,7 @@ static int __maybe_unused drv260x_suspend(struct device *dev)
mutex_lock(&haptics->input_dev->mutex);
- if (haptics->input_dev->users) {
+ if (input_device_enabled(haptics->input_dev)) {
ret = regmap_update_bits(haptics->regmap,
DRV260X_MODE,
DRV260X_STANDBY_MASK,
@@ -612,7 +612,7 @@ static int __maybe_unused drv260x_resume(struct device *dev)
mutex_lock(&haptics->input_dev->mutex);
- if (haptics->input_dev->users) {
+ if (input_device_enabled(haptics->input_dev)) {
ret = regulator_enable(haptics->regulator);
if (ret) {
dev_err(dev, "Failed to enable regulator\n");
diff --git a/drivers/input/misc/drv2665.c b/drivers/input/misc/drv2665.c
index 918ad9c3fa81..21913e8085d7 100644
--- a/drivers/input/misc/drv2665.c
+++ b/drivers/input/misc/drv2665.c
@@ -44,11 +44,11 @@
/**
* struct drv2665_data -
- * @input_dev - Pointer to the input device
- * @client - Pointer to the I2C client
- * @regmap - Register map of the device
- * @work - Work item used to off load the enable/disable of the vibration
- * @regulator - Pointer to the regulator for the IC
+ * @input_dev: Pointer to the input device
+ * @client: Pointer to the I2C client
+ * @regmap: Register map of the device
+ * @work: Work item used to off load the enable/disable of the vibration
+ * @regulator: Pointer to the regulator for the IC
*/
struct drv2665_data {
struct input_dev *input_dev;
@@ -230,7 +230,7 @@ static int __maybe_unused drv2665_suspend(struct device *dev)
mutex_lock(&haptics->input_dev->mutex);
- if (haptics->input_dev->users) {
+ if (input_device_enabled(haptics->input_dev)) {
ret = regmap_update_bits(haptics->regmap, DRV2665_CTRL_2,
DRV2665_STANDBY, DRV2665_STANDBY);
if (ret) {
@@ -259,7 +259,7 @@ static int __maybe_unused drv2665_resume(struct device *dev)
mutex_lock(&haptics->input_dev->mutex);
- if (haptics->input_dev->users) {
+ if (input_device_enabled(haptics->input_dev)) {
ret = regulator_enable(haptics->regulator);
if (ret) {
dev_err(dev, "Failed to enable regulator\n");
diff --git a/drivers/input/misc/drv2667.c b/drivers/input/misc/drv2667.c
index bb9d5784df17..3f67b9b010bf 100644
--- a/drivers/input/misc/drv2667.c
+++ b/drivers/input/misc/drv2667.c
@@ -90,12 +90,14 @@
/**
* struct drv2667_data -
- * @input_dev - Pointer to the input device
- * @client - Pointer to the I2C client
- * @regmap - Register map of the device
- * @work - Work item used to off load the enable/disable of the vibration
- * @regulator - Pointer to the regulator for the IC
- * @magnitude - Magnitude of the vibration event
+ * @input_dev: Pointer to the input device
+ * @client: Pointer to the I2C client
+ * @regmap: Register map of the device
+ * @work: Work item used to off load the enable/disable of the vibration
+ * @regulator: Pointer to the regulator for the IC
+ * @page: Page number
+ * @magnitude: Magnitude of the vibration event
+ * @frequency: Frequency of the vibration event
**/
struct drv2667_data {
struct input_dev *input_dev;
@@ -405,7 +407,7 @@ static int __maybe_unused drv2667_suspend(struct device *dev)
mutex_lock(&haptics->input_dev->mutex);
- if (haptics->input_dev->users) {
+ if (input_device_enabled(haptics->input_dev)) {
ret = regmap_update_bits(haptics->regmap, DRV2667_CTRL_2,
DRV2667_STANDBY, DRV2667_STANDBY);
if (ret) {
@@ -434,7 +436,7 @@ static int __maybe_unused drv2667_resume(struct device *dev)
mutex_lock(&haptics->input_dev->mutex);
- if (haptics->input_dev->users) {
+ if (input_device_enabled(haptics->input_dev)) {
ret = regulator_enable(haptics->regulator);
if (ret) {
dev_err(dev, "Failed to enable regulator\n");
diff --git a/drivers/input/misc/ixp4xx-beeper.c b/drivers/input/misc/ixp4xx-beeper.c
index 794ecc9a552d..05018d0c97c7 100644
--- a/drivers/input/misc/ixp4xx-beeper.c
+++ b/drivers/input/misc/ixp4xx-beeper.c
@@ -97,7 +97,7 @@ static int ixp4xx_spkr_probe(struct platform_device *dev)
input_set_drvdata(input_dev, (void *) dev->id);
- input_dev->name = "ixp4xx beeper",
+ input_dev->name = "ixp4xx beeper";
input_dev->phys = "ixp4xx/gpio";
input_dev->id.bustype = BUS_HOST;
input_dev->id.vendor = 0x001f;
diff --git a/drivers/input/misc/kxtj9.c b/drivers/input/misc/kxtj9.c
index 52313c6e3fb3..bbb81617c2b2 100644
--- a/drivers/input/misc/kxtj9.c
+++ b/drivers/input/misc/kxtj9.c
@@ -503,7 +503,7 @@ static int __maybe_unused kxtj9_suspend(struct device *dev)
mutex_lock(&input_dev->mutex);
- if (input_dev->users)
+ if (input_device_enabled(input_dev))
kxtj9_disable(tj9);
mutex_unlock(&input_dev->mutex);
@@ -518,7 +518,7 @@ static int __maybe_unused kxtj9_resume(struct device *dev)
mutex_lock(&input_dev->mutex);
- if (input_dev->users)
+ if (input_device_enabled(input_dev))
kxtj9_enable(tj9);
mutex_unlock(&input_dev->mutex);
diff --git a/drivers/input/misc/mc13783-pwrbutton.c b/drivers/input/misc/mc13783-pwrbutton.c
index afdf8ef25ee8..0636eee4bb6c 100644
--- a/drivers/input/misc/mc13783-pwrbutton.c
+++ b/drivers/input/misc/mc13783-pwrbutton.c
@@ -1,4 +1,4 @@
-/**
+/*
* Copyright (C) 2011 Philippe Rétornaz
*
* Based on twl4030-pwrbutton driver by:
diff --git a/drivers/input/misc/pcspkr.c b/drivers/input/misc/pcspkr.c
index e5e0d8ba80e1..9c666b2f14fe 100644
--- a/drivers/input/misc/pcspkr.c
+++ b/drivers/input/misc/pcspkr.c
@@ -33,6 +33,7 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type,
case SND_BELL:
if (value)
value = 1000;
+ break;
case SND_TONE:
break;
default:
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);
diff --git a/drivers/input/misc/sirfsoc-onkey.c b/drivers/input/misc/sirfsoc-onkey.c
index 60e1f31ee60a..7982bf8fb839 100644
--- a/drivers/input/misc/sirfsoc-onkey.c
+++ b/drivers/input/misc/sirfsoc-onkey.c
@@ -181,7 +181,7 @@ static int __maybe_unused sirfsoc_pwrc_resume(struct device *dev)
* if users touch X_ONKEY_B, see arch/arm/mach-prima2/pm.c
*/
mutex_lock(&input->mutex);
- if (input->users)
+ if (input_device_enabled(input))
sirfsoc_pwrc_toggle_interrupts(pwrcdrv, true);
mutex_unlock(&input->mutex);
diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c
index cae1a3fae83a..cb6ec59a045d 100644
--- a/drivers/input/misc/soc_button_array.c
+++ b/drivers/input/misc/soc_button_array.c
@@ -9,6 +9,7 @@
#include <linux/module.h>
#include <linux/input.h>
#include <linux/init.h>
+#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/acpi.h>
#include <linux/dmi.h>
@@ -82,6 +83,17 @@ static const struct dmi_system_id dmi_use_low_level_irq[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "One S1003"),
},
},
+ {
+ /*
+ * Lenovo Yoga Tab2 1051L, something messes with the home-button
+ * IRQ settings, leading to a non working home-button.
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "60073"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "1051L"),
+ },
+ },
{} /* Terminating entry */
};
diff --git a/drivers/input/misc/wm831x-on.c b/drivers/input/misc/wm831x-on.c
index 1b44de265a0a..a42fe041b73c 100644
--- a/drivers/input/misc/wm831x-on.c
+++ b/drivers/input/misc/wm831x-on.c
@@ -1,4 +1,4 @@
-/**
+/*
* wm831x-on.c - WM831X ON pin driver
*
* Copyright (C) 2009 Wolfson Microelectronics plc
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.