diff options
Diffstat (limited to 'drivers/mfd/qcom-pm8008.c')
| -rw-r--r-- | drivers/mfd/qcom-pm8008.c | 132 |
1 files changed, 49 insertions, 83 deletions
diff --git a/drivers/mfd/qcom-pm8008.c b/drivers/mfd/qcom-pm8008.c index 9f3c4a01b4c1..837246aab4ac 100644 --- a/drivers/mfd/qcom-pm8008.c +++ b/drivers/mfd/qcom-pm8008.c @@ -44,37 +44,16 @@ enum { #define PM8008_GPIO1_ADDR PM8008_PERIPH_2_BASE #define PM8008_GPIO2_ADDR PM8008_PERIPH_3_BASE -#define PM8008_STATUS_BASE (PM8008_PERIPH_0_BASE | INT_LATCHED_STS_OFFSET) -#define PM8008_MASK_BASE (PM8008_PERIPH_0_BASE | INT_EN_SET_OFFSET) -#define PM8008_UNMASK_BASE (PM8008_PERIPH_0_BASE | INT_EN_CLR_OFFSET) -#define PM8008_TYPE_BASE (PM8008_PERIPH_0_BASE | INT_SET_TYPE_OFFSET) -#define PM8008_ACK_BASE (PM8008_PERIPH_0_BASE | INT_LATCHED_CLR_OFFSET) -#define PM8008_POLARITY_HI_BASE (PM8008_PERIPH_0_BASE | INT_POL_HIGH_OFFSET) -#define PM8008_POLARITY_LO_BASE (PM8008_PERIPH_0_BASE | INT_POL_LOW_OFFSET) - -#define PM8008_PERIPH_OFFSET(paddr) (paddr - PM8008_PERIPH_0_BASE) - -static unsigned int p0_offs[] = {PM8008_PERIPH_OFFSET(PM8008_PERIPH_0_BASE)}; -static unsigned int p1_offs[] = {PM8008_PERIPH_OFFSET(PM8008_PERIPH_1_BASE)}; -static unsigned int p2_offs[] = {PM8008_PERIPH_OFFSET(PM8008_PERIPH_2_BASE)}; -static unsigned int p3_offs[] = {PM8008_PERIPH_OFFSET(PM8008_PERIPH_3_BASE)}; - -static struct regmap_irq_sub_irq_map pm8008_sub_reg_offsets[] = { - REGMAP_IRQ_MAIN_REG_OFFSET(p0_offs), - REGMAP_IRQ_MAIN_REG_OFFSET(p1_offs), - REGMAP_IRQ_MAIN_REG_OFFSET(p2_offs), - REGMAP_IRQ_MAIN_REG_OFFSET(p3_offs), -}; - -static unsigned int pm8008_virt_regs[] = { - PM8008_POLARITY_HI_BASE, - PM8008_POLARITY_LO_BASE, -}; - enum { + SET_TYPE_INDEX, POLARITY_HI_INDEX, POLARITY_LO_INDEX, - PM8008_NUM_VIRT_REGS, +}; + +static unsigned int pm8008_config_regs[] = { + INT_SET_TYPE_OFFSET, + INT_POL_HIGH_OFFSET, + INT_POL_LOW_OFFSET, }; static struct regmap_irq pm8008_irqs[] = { @@ -88,32 +67,54 @@ static struct regmap_irq pm8008_irqs[] = { REGMAP_IRQ_REG(PM8008_IRQ_GPIO2, PM8008_GPIO2, BIT(0)), }; -static int pm8008_set_type_virt(unsigned int **virt_buf, - unsigned int type, unsigned long hwirq, - int reg) +static const unsigned int pm8008_periph_base[] = { + PM8008_PERIPH_0_BASE, + PM8008_PERIPH_1_BASE, + PM8008_PERIPH_2_BASE, + PM8008_PERIPH_3_BASE, +}; + +static unsigned int pm8008_get_irq_reg(struct regmap_irq_chip_data *data, + unsigned int base, int index) +{ + /* Simple linear addressing for the main status register */ + if (base == I2C_INTR_STATUS_BASE) + return base + index; + + return pm8008_periph_base[index] + base; +} + +static int pm8008_set_type_config(unsigned int **buf, unsigned int type, + const struct regmap_irq *irq_data, int idx, + void *irq_drv_data) { switch (type) { case IRQ_TYPE_EDGE_FALLING: case IRQ_TYPE_LEVEL_LOW: - virt_buf[POLARITY_HI_INDEX][reg] &= ~pm8008_irqs[hwirq].mask; - virt_buf[POLARITY_LO_INDEX][reg] |= pm8008_irqs[hwirq].mask; + buf[POLARITY_HI_INDEX][idx] &= ~irq_data->mask; + buf[POLARITY_LO_INDEX][idx] |= irq_data->mask; break; case IRQ_TYPE_EDGE_RISING: case IRQ_TYPE_LEVEL_HIGH: - virt_buf[POLARITY_HI_INDEX][reg] |= pm8008_irqs[hwirq].mask; - virt_buf[POLARITY_LO_INDEX][reg] &= ~pm8008_irqs[hwirq].mask; + buf[POLARITY_HI_INDEX][idx] |= irq_data->mask; + buf[POLARITY_LO_INDEX][idx] &= ~irq_data->mask; break; case IRQ_TYPE_EDGE_BOTH: - virt_buf[POLARITY_HI_INDEX][reg] |= pm8008_irqs[hwirq].mask; - virt_buf[POLARITY_LO_INDEX][reg] |= pm8008_irqs[hwirq].mask; + buf[POLARITY_HI_INDEX][idx] |= irq_data->mask; + buf[POLARITY_LO_INDEX][idx] |= irq_data->mask; break; default: return -EINVAL; } + if (type & IRQ_TYPE_EDGE_BOTH) + buf[SET_TYPE_INDEX][idx] |= irq_data->mask; + else + buf[SET_TYPE_INDEX][idx] &= ~irq_data->mask; + return 0; } @@ -121,20 +122,19 @@ static struct regmap_irq_chip pm8008_irq_chip = { .name = "pm8008_irq", .main_status = I2C_INTR_STATUS_BASE, .num_main_regs = 1, - .num_virt_regs = PM8008_NUM_VIRT_REGS, .irqs = pm8008_irqs, .num_irqs = ARRAY_SIZE(pm8008_irqs), .num_regs = PM8008_NUM_PERIPHS, - .not_fixed_stride = true, - .sub_reg_offsets = pm8008_sub_reg_offsets, - .set_type_virt = pm8008_set_type_virt, - .status_base = PM8008_STATUS_BASE, - .mask_base = PM8008_MASK_BASE, - .unmask_base = PM8008_UNMASK_BASE, - .type_base = PM8008_TYPE_BASE, - .ack_base = PM8008_ACK_BASE, - .virt_reg_base = pm8008_virt_regs, - .num_type_reg = PM8008_NUM_PERIPHS, + .status_base = INT_LATCHED_STS_OFFSET, + .mask_base = INT_EN_CLR_OFFSET, + .unmask_base = INT_EN_SET_OFFSET, + .mask_unmask_non_inverted = true, + .ack_base = INT_LATCHED_CLR_OFFSET, + .config_base = pm8008_config_regs, + .num_config_bases = ARRAY_SIZE(pm8008_config_regs), + .num_config_regs = PM8008_NUM_PERIPHS, + .set_type_config = pm8008_set_type_config, + .get_irq_reg = pm8008_get_irq_reg, }; static struct regmap_config qcom_mfd_regmap_cfg = { @@ -143,30 +143,6 @@ static struct regmap_config qcom_mfd_regmap_cfg = { .max_register = 0xFFFF, }; -static int pm8008_init(struct regmap *regmap) -{ - int rc; - - /* - * Set TEMP_ALARM peripheral's TYPE so that the regmap-irq framework - * reads this as the default value instead of zero, the HW default. - * This is required to enable the writing of TYPE registers in - * regmap_irq_sync_unlock(). - */ - rc = regmap_write(regmap, (PM8008_TEMP_ALARM_ADDR | INT_SET_TYPE_OFFSET), BIT(0)); - if (rc) - return rc; - - /* Do the same for GPIO1 and GPIO2 peripherals */ - rc = regmap_write(regmap, (PM8008_GPIO1_ADDR | INT_SET_TYPE_OFFSET), BIT(0)); - if (rc) - return rc; - - rc = regmap_write(regmap, (PM8008_GPIO2_ADDR | INT_SET_TYPE_OFFSET), BIT(0)); - - return rc; -} - static int pm8008_probe_irq_peripherals(struct device *dev, struct regmap *regmap, int client_irq) @@ -175,20 +151,10 @@ static int pm8008_probe_irq_peripherals(struct device *dev, struct regmap_irq_type *type; struct regmap_irq_chip_data *irq_data; - rc = pm8008_init(regmap); - if (rc) { - dev_err(dev, "Init failed: %d\n", rc); - return rc; - } - for (i = 0; i < ARRAY_SIZE(pm8008_irqs); i++) { type = &pm8008_irqs[i].type; - type->type_reg_offset = pm8008_irqs[i].reg_offset; - type->type_rising_val = pm8008_irqs[i].mask; - type->type_falling_val = pm8008_irqs[i].mask; - type->type_level_high_val = 0; - type->type_level_low_val = 0; + type->type_reg_offset = pm8008_irqs[i].reg_offset; if (type->type_reg_offset == PM8008_MISC) type->types_supported = IRQ_TYPE_EDGE_RISING; |