Merge tag 'mfd-3.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
[firefly-linux-kernel-4.4.55.git] / drivers / mfd / da9052-core.c
index 689b747416af7cd92933e4fe261e7f20a398d5db..a3c9613f91664e87ae03f4496c3360df74c755ef 100644 (file)
@@ -15,7 +15,6 @@
 #include <linux/delay.h>
 #include <linux/input.h>
 #include <linux/interrupt.h>
-#include <linux/irq.h>
 #include <linux/mfd/core.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/mfd/da9052/pdata.h>
 #include <linux/mfd/da9052/reg.h>
 
-#define DA9052_NUM_IRQ_REGS            4
-#define DA9052_IRQ_MASK_POS_1          0x01
-#define DA9052_IRQ_MASK_POS_2          0x02
-#define DA9052_IRQ_MASK_POS_3          0x04
-#define DA9052_IRQ_MASK_POS_4          0x08
-#define DA9052_IRQ_MASK_POS_5          0x10
-#define DA9052_IRQ_MASK_POS_6          0x20
-#define DA9052_IRQ_MASK_POS_7          0x40
-#define DA9052_IRQ_MASK_POS_8          0x80
-
 static bool da9052_reg_readable(struct device *dev, unsigned int reg)
 {
        switch (reg) {
@@ -425,15 +414,6 @@ err:
 }
 EXPORT_SYMBOL_GPL(da9052_adc_manual_read);
 
-static irqreturn_t da9052_auxadc_irq(int irq, void *irq_data)
-{
-       struct da9052 *da9052 = irq_data;
-
-       complete(&da9052->done);
-
-       return IRQ_HANDLED;
-}
-
 int da9052_adc_read_temp(struct da9052 *da9052)
 {
        int tbat;
@@ -447,74 +427,6 @@ int da9052_adc_read_temp(struct da9052 *da9052)
 }
 EXPORT_SYMBOL_GPL(da9052_adc_read_temp);
 
-static struct resource da9052_rtc_resource = {
-       .name = "ALM",
-       .start = DA9052_IRQ_ALARM,
-       .end   = DA9052_IRQ_ALARM,
-       .flags = IORESOURCE_IRQ,
-};
-
-static struct resource da9052_onkey_resource = {
-       .name = "ONKEY",
-       .start = DA9052_IRQ_NONKEY,
-       .end   = DA9052_IRQ_NONKEY,
-       .flags = IORESOURCE_IRQ,
-};
-
-static struct resource da9052_bat_resources[] = {
-       {
-               .name = "BATT TEMP",
-               .start = DA9052_IRQ_TBAT,
-               .end   = DA9052_IRQ_TBAT,
-               .flags = IORESOURCE_IRQ,
-       },
-       {
-               .name = "DCIN DET",
-               .start = DA9052_IRQ_DCIN,
-               .end   = DA9052_IRQ_DCIN,
-               .flags = IORESOURCE_IRQ,
-       },
-       {
-               .name = "DCIN REM",
-               .start = DA9052_IRQ_DCINREM,
-               .end   = DA9052_IRQ_DCINREM,
-               .flags = IORESOURCE_IRQ,
-       },
-       {
-               .name = "VBUS DET",
-               .start = DA9052_IRQ_VBUS,
-               .end   = DA9052_IRQ_VBUS,
-               .flags = IORESOURCE_IRQ,
-       },
-       {
-               .name = "VBUS REM",
-               .start = DA9052_IRQ_VBUSREM,
-               .end   = DA9052_IRQ_VBUSREM,
-               .flags = IORESOURCE_IRQ,
-       },
-       {
-               .name = "CHG END",
-               .start = DA9052_IRQ_CHGEND,
-               .end   = DA9052_IRQ_CHGEND,
-               .flags = IORESOURCE_IRQ,
-       },
-};
-
-static struct resource da9052_tsi_resources[] = {
-       {
-               .name = "PENDWN",
-               .start = DA9052_IRQ_PENDOWN,
-               .end   = DA9052_IRQ_PENDOWN,
-               .flags = IORESOURCE_IRQ,
-       },
-       {
-               .name = "TSIRDY",
-               .start = DA9052_IRQ_TSIREADY,
-               .end   = DA9052_IRQ_TSIREADY,
-               .flags = IORESOURCE_IRQ,
-       },
-};
-
 static struct mfd_cell da9052_subdev_info[] = {
        {
                .name = "da9052-regulator",
@@ -574,13 +486,9 @@ static struct mfd_cell da9052_subdev_info[] = {
        },
        {
                .name = "da9052-onkey",
-               .resources = &da9052_onkey_resource,
-               .num_resources = 1,
        },
        {
                .name = "da9052-rtc",
-               .resources = &da9052_rtc_resource,
-               .num_resources = 1,
        },
        {
                .name = "da9052-gpio",
@@ -602,160 +510,15 @@ static struct mfd_cell da9052_subdev_info[] = {
        },
        {
                .name = "da9052-tsi",
-               .resources = da9052_tsi_resources,
-               .num_resources = ARRAY_SIZE(da9052_tsi_resources),
        },
        {
                .name = "da9052-bat",
-               .resources = da9052_bat_resources,
-               .num_resources = ARRAY_SIZE(da9052_bat_resources),
        },
        {
                .name = "da9052-watchdog",
        },
 };
 
-static struct regmap_irq da9052_irqs[] = {
-       [DA9052_IRQ_DCIN] = {
-               .reg_offset = 0,
-               .mask = DA9052_IRQ_MASK_POS_1,
-       },
-       [DA9052_IRQ_VBUS] = {
-               .reg_offset = 0,
-               .mask = DA9052_IRQ_MASK_POS_2,
-       },
-       [DA9052_IRQ_DCINREM] = {
-               .reg_offset = 0,
-               .mask = DA9052_IRQ_MASK_POS_3,
-       },
-       [DA9052_IRQ_VBUSREM] = {
-               .reg_offset = 0,
-               .mask = DA9052_IRQ_MASK_POS_4,
-       },
-       [DA9052_IRQ_VDDLOW] = {
-               .reg_offset = 0,
-               .mask = DA9052_IRQ_MASK_POS_5,
-       },
-       [DA9052_IRQ_ALARM] = {
-               .reg_offset = 0,
-               .mask = DA9052_IRQ_MASK_POS_6,
-       },
-       [DA9052_IRQ_SEQRDY] = {
-               .reg_offset = 0,
-               .mask = DA9052_IRQ_MASK_POS_7,
-       },
-       [DA9052_IRQ_COMP1V2] = {
-               .reg_offset = 0,
-               .mask = DA9052_IRQ_MASK_POS_8,
-       },
-       [DA9052_IRQ_NONKEY] = {
-               .reg_offset = 1,
-               .mask = DA9052_IRQ_MASK_POS_1,
-       },
-       [DA9052_IRQ_IDFLOAT] = {
-               .reg_offset = 1,
-               .mask = DA9052_IRQ_MASK_POS_2,
-       },
-       [DA9052_IRQ_IDGND] = {
-               .reg_offset = 1,
-               .mask = DA9052_IRQ_MASK_POS_3,
-       },
-       [DA9052_IRQ_CHGEND] = {
-               .reg_offset = 1,
-               .mask = DA9052_IRQ_MASK_POS_4,
-       },
-       [DA9052_IRQ_TBAT] = {
-               .reg_offset = 1,
-               .mask = DA9052_IRQ_MASK_POS_5,
-       },
-       [DA9052_IRQ_ADC_EOM] = {
-               .reg_offset = 1,
-               .mask = DA9052_IRQ_MASK_POS_6,
-       },
-       [DA9052_IRQ_PENDOWN] = {
-               .reg_offset = 1,
-               .mask = DA9052_IRQ_MASK_POS_7,
-       },
-       [DA9052_IRQ_TSIREADY] = {
-               .reg_offset = 1,
-               .mask = DA9052_IRQ_MASK_POS_8,
-       },
-       [DA9052_IRQ_GPI0] = {
-               .reg_offset = 2,
-               .mask = DA9052_IRQ_MASK_POS_1,
-       },
-       [DA9052_IRQ_GPI1] = {
-               .reg_offset = 2,
-               .mask = DA9052_IRQ_MASK_POS_2,
-       },
-       [DA9052_IRQ_GPI2] = {
-               .reg_offset = 2,
-               .mask = DA9052_IRQ_MASK_POS_3,
-       },
-       [DA9052_IRQ_GPI3] = {
-               .reg_offset = 2,
-               .mask = DA9052_IRQ_MASK_POS_4,
-       },
-       [DA9052_IRQ_GPI4] = {
-               .reg_offset = 2,
-               .mask = DA9052_IRQ_MASK_POS_5,
-       },
-       [DA9052_IRQ_GPI5] = {
-               .reg_offset = 2,
-               .mask = DA9052_IRQ_MASK_POS_6,
-       },
-       [DA9052_IRQ_GPI6] = {
-               .reg_offset = 2,
-               .mask = DA9052_IRQ_MASK_POS_7,
-       },
-       [DA9052_IRQ_GPI7] = {
-               .reg_offset = 2,
-               .mask = DA9052_IRQ_MASK_POS_8,
-       },
-       [DA9052_IRQ_GPI8] = {
-               .reg_offset = 3,
-               .mask = DA9052_IRQ_MASK_POS_1,
-       },
-       [DA9052_IRQ_GPI9] = {
-               .reg_offset = 3,
-               .mask = DA9052_IRQ_MASK_POS_2,
-       },
-       [DA9052_IRQ_GPI10] = {
-               .reg_offset = 3,
-               .mask = DA9052_IRQ_MASK_POS_3,
-       },
-       [DA9052_IRQ_GPI11] = {
-               .reg_offset = 3,
-               .mask = DA9052_IRQ_MASK_POS_4,
-       },
-       [DA9052_IRQ_GPI12] = {
-               .reg_offset = 3,
-               .mask = DA9052_IRQ_MASK_POS_5,
-       },
-       [DA9052_IRQ_GPI13] = {
-               .reg_offset = 3,
-               .mask = DA9052_IRQ_MASK_POS_6,
-       },
-       [DA9052_IRQ_GPI14] = {
-               .reg_offset = 3,
-               .mask = DA9052_IRQ_MASK_POS_7,
-       },
-       [DA9052_IRQ_GPI15] = {
-               .reg_offset = 3,
-               .mask = DA9052_IRQ_MASK_POS_8,
-       },
-};
-
-static struct regmap_irq_chip da9052_regmap_irq_chip = {
-       .name = "da9052_irq",
-       .status_base = DA9052_EVENT_A_REG,
-       .mask_base = DA9052_IRQ_MASK_A_REG,
-       .ack_base = DA9052_EVENT_A_REG,
-       .num_regs = DA9052_NUM_IRQ_REGS,
-       .irqs = da9052_irqs,
-       .num_irqs = ARRAY_SIZE(da9052_irqs),
-};
-
 struct regmap_config da9052_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
@@ -782,45 +545,31 @@ int da9052_device_init(struct da9052 *da9052, u8 chip_id)
 
        da9052->chip_id = chip_id;
 
-       if (!pdata || !pdata->irq_base)
-               da9052->irq_base = -1;
-       else
-               da9052->irq_base = pdata->irq_base;
-
-       ret = regmap_add_irq_chip(da9052->regmap, da9052->chip_irq,
-                                 IRQF_TRIGGER_LOW | IRQF_ONESHOT,
-                                 da9052->irq_base, &da9052_regmap_irq_chip,
-                                 &da9052->irq_data);
-       if (ret < 0)
-               goto regmap_err;
-
-       da9052->irq_base = regmap_irq_chip_get_base(da9052->irq_data);
-
-       ret = request_threaded_irq(DA9052_IRQ_ADC_EOM, NULL, da9052_auxadc_irq,
-                                  IRQF_TRIGGER_LOW | IRQF_ONESHOT,
-                                  "adc irq", da9052);
-       if (ret != 0)
-               dev_err(da9052->dev, "DA9052 ADC IRQ failed ret=%d\n", ret);
+       ret = da9052_irq_init(da9052);
+       if (ret != 0) {
+               dev_err(da9052->dev, "da9052_irq_init failed: %d\n", ret);
+               return ret;
+       }
 
        ret = mfd_add_devices(da9052->dev, -1, da9052_subdev_info,
                              ARRAY_SIZE(da9052_subdev_info), NULL, 0, NULL);
-       if (ret)
+       if (ret) {
+               dev_err(da9052->dev, "mfd_add_devices failed: %d\n", ret);
                goto err;
+       }
 
        return 0;
 
 err:
-       free_irq(DA9052_IRQ_ADC_EOM, da9052);
-       mfd_remove_devices(da9052->dev);
-regmap_err:
+       da9052_irq_exit(da9052);
+
        return ret;
 }
 
 void da9052_device_exit(struct da9052 *da9052)
 {
-       free_irq(DA9052_IRQ_ADC_EOM, da9052);
-       regmap_del_irq_chip(da9052->chip_irq, da9052->irq_data);
        mfd_remove_devices(da9052->dev);
+       da9052_irq_exit(da9052);
 }
 
 MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");