From 6445b84abf91549d8568fb5d9155447e6dba86cc Mon Sep 17 00:00:00 2001 From: Sangbeom Kim Date: Wed, 11 Jul 2012 21:08:11 +0900 Subject: mfd: Add s2mps11 irq driver This patch support irq handling driver for s2mps11. As this patch use regmap_irq, s5m8767 and s5m8763 are modified with regmap_irq. Signed-off-by: Sangbeom Kim Signed-off-by: Samuel Ortiz --- drivers/mfd/sec-irq.c | 477 ++++++++++++++++---------------------------------- 1 file changed, 148 insertions(+), 329 deletions(-) (limited to 'drivers/mfd/sec-irq.c') diff --git a/drivers/mfd/sec-irq.c b/drivers/mfd/sec-irq.c index da5ec5b2ecce..c901fa50fea1 100644 --- a/drivers/mfd/sec-irq.c +++ b/drivers/mfd/sec-irq.c @@ -14,351 +14,260 @@ #include #include #include +#include + #include #include +#include #include #include -struct sec_irq_data { - int reg; - int mask; +static struct regmap_irq s2mps11_irqs[] = { + [S2MPS11_IRQ_PWRONF] = { + .reg_offset = 1, + .mask = S2MPS11_IRQ_PWRONF_MASK, + }, + [S2MPS11_IRQ_PWRONR] = { + .reg_offset = 1, + .mask = S2MPS11_IRQ_PWRONR_MASK, + }, + [S2MPS11_IRQ_JIGONBF] = { + .reg_offset = 1, + .mask = S2MPS11_IRQ_JIGONBF_MASK, + }, + [S2MPS11_IRQ_JIGONBR] = { + .reg_offset = 1, + .mask = S2MPS11_IRQ_JIGONBR_MASK, + }, + [S2MPS11_IRQ_ACOKBF] = { + .reg_offset = 1, + .mask = S2MPS11_IRQ_ACOKBF_MASK, + }, + [S2MPS11_IRQ_ACOKBR] = { + .reg_offset = 1, + .mask = S2MPS11_IRQ_ACOKBR_MASK, + }, + [S2MPS11_IRQ_PWRON1S] = { + .reg_offset = 1, + .mask = S2MPS11_IRQ_PWRON1S_MASK, + }, + [S2MPS11_IRQ_MRB] = { + .reg_offset = 1, + .mask = S2MPS11_IRQ_MRB_MASK, + }, + [S2MPS11_IRQ_RTC60S] = { + .reg_offset = 2, + .mask = S2MPS11_IRQ_RTC60S_MASK, + }, + [S2MPS11_IRQ_RTCA1] = { + .reg_offset = 2, + .mask = S2MPS11_IRQ_RTCA1_MASK, + }, + [S2MPS11_IRQ_RTCA2] = { + .reg_offset = 2, + .mask = S2MPS11_IRQ_RTCA2_MASK, + }, + [S2MPS11_IRQ_SMPL] = { + .reg_offset = 2, + .mask = S2MPS11_IRQ_SMPL_MASK, + }, + [S2MPS11_IRQ_RTC1S] = { + .reg_offset = 2, + .mask = S2MPS11_IRQ_RTC1S_MASK, + }, + [S2MPS11_IRQ_WTSR] = { + .reg_offset = 2, + .mask = S2MPS11_IRQ_WTSR_MASK, + }, + [S2MPS11_IRQ_INT120C] = { + .reg_offset = 3, + .mask = S2MPS11_IRQ_INT120C_MASK, + }, + [S2MPS11_IRQ_INT140C] = { + .reg_offset = 3, + .mask = S2MPS11_IRQ_INT140C_MASK, + }, }; -static struct sec_irq_data s5m8767_irqs[] = { + +static struct regmap_irq s5m8767_irqs[] = { [S5M8767_IRQ_PWRR] = { - .reg = 1, + .reg_offset = 1, .mask = S5M8767_IRQ_PWRR_MASK, }, [S5M8767_IRQ_PWRF] = { - .reg = 1, + .reg_offset = 1, .mask = S5M8767_IRQ_PWRF_MASK, }, [S5M8767_IRQ_PWR1S] = { - .reg = 1, + .reg_offset = 1, .mask = S5M8767_IRQ_PWR1S_MASK, }, [S5M8767_IRQ_JIGR] = { - .reg = 1, + .reg_offset = 1, .mask = S5M8767_IRQ_JIGR_MASK, }, [S5M8767_IRQ_JIGF] = { - .reg = 1, + .reg_offset = 1, .mask = S5M8767_IRQ_JIGF_MASK, }, [S5M8767_IRQ_LOWBAT2] = { - .reg = 1, + .reg_offset = 1, .mask = S5M8767_IRQ_LOWBAT2_MASK, }, [S5M8767_IRQ_LOWBAT1] = { - .reg = 1, + .reg_offset = 1, .mask = S5M8767_IRQ_LOWBAT1_MASK, }, [S5M8767_IRQ_MRB] = { - .reg = 2, + .reg_offset = 2, .mask = S5M8767_IRQ_MRB_MASK, }, [S5M8767_IRQ_DVSOK2] = { - .reg = 2, + .reg_offset = 2, .mask = S5M8767_IRQ_DVSOK2_MASK, }, [S5M8767_IRQ_DVSOK3] = { - .reg = 2, + .reg_offset = 2, .mask = S5M8767_IRQ_DVSOK3_MASK, }, [S5M8767_IRQ_DVSOK4] = { - .reg = 2, + .reg_offset = 2, .mask = S5M8767_IRQ_DVSOK4_MASK, }, [S5M8767_IRQ_RTC60S] = { - .reg = 3, + .reg_offset = 3, .mask = S5M8767_IRQ_RTC60S_MASK, }, [S5M8767_IRQ_RTCA1] = { - .reg = 3, + .reg_offset = 3, .mask = S5M8767_IRQ_RTCA1_MASK, }, [S5M8767_IRQ_RTCA2] = { - .reg = 3, + .reg_offset = 3, .mask = S5M8767_IRQ_RTCA2_MASK, }, [S5M8767_IRQ_SMPL] = { - .reg = 3, + .reg_offset = 3, .mask = S5M8767_IRQ_SMPL_MASK, }, [S5M8767_IRQ_RTC1S] = { - .reg = 3, + .reg_offset = 3, .mask = S5M8767_IRQ_RTC1S_MASK, }, [S5M8767_IRQ_WTSR] = { - .reg = 3, + .reg_offset = 3, .mask = S5M8767_IRQ_WTSR_MASK, }, }; -static struct sec_irq_data s5m8763_irqs[] = { +static struct regmap_irq s5m8763_irqs[] = { [S5M8763_IRQ_DCINF] = { - .reg = 1, + .reg_offset = 1, .mask = S5M8763_IRQ_DCINF_MASK, }, [S5M8763_IRQ_DCINR] = { - .reg = 1, + .reg_offset = 1, .mask = S5M8763_IRQ_DCINR_MASK, }, [S5M8763_IRQ_JIGF] = { - .reg = 1, + .reg_offset = 1, .mask = S5M8763_IRQ_JIGF_MASK, }, [S5M8763_IRQ_JIGR] = { - .reg = 1, + .reg_offset = 1, .mask = S5M8763_IRQ_JIGR_MASK, }, [S5M8763_IRQ_PWRONF] = { - .reg = 1, + .reg_offset = 1, .mask = S5M8763_IRQ_PWRONF_MASK, }, [S5M8763_IRQ_PWRONR] = { - .reg = 1, + .reg_offset = 1, .mask = S5M8763_IRQ_PWRONR_MASK, }, [S5M8763_IRQ_WTSREVNT] = { - .reg = 2, + .reg_offset = 2, .mask = S5M8763_IRQ_WTSREVNT_MASK, }, [S5M8763_IRQ_SMPLEVNT] = { - .reg = 2, + .reg_offset = 2, .mask = S5M8763_IRQ_SMPLEVNT_MASK, }, [S5M8763_IRQ_ALARM1] = { - .reg = 2, + .reg_offset = 2, .mask = S5M8763_IRQ_ALARM1_MASK, }, [S5M8763_IRQ_ALARM0] = { - .reg = 2, + .reg_offset = 2, .mask = S5M8763_IRQ_ALARM0_MASK, }, [S5M8763_IRQ_ONKEY1S] = { - .reg = 3, + .reg_offset = 3, .mask = S5M8763_IRQ_ONKEY1S_MASK, }, [S5M8763_IRQ_TOPOFFR] = { - .reg = 3, + .reg_offset = 3, .mask = S5M8763_IRQ_TOPOFFR_MASK, }, [S5M8763_IRQ_DCINOVPR] = { - .reg = 3, + .reg_offset = 3, .mask = S5M8763_IRQ_DCINOVPR_MASK, }, [S5M8763_IRQ_CHGRSTF] = { - .reg = 3, + .reg_offset = 3, .mask = S5M8763_IRQ_CHGRSTF_MASK, }, [S5M8763_IRQ_DONER] = { - .reg = 3, + .reg_offset = 3, .mask = S5M8763_IRQ_DONER_MASK, }, [S5M8763_IRQ_CHGFAULT] = { - .reg = 3, + .reg_offset = 3, .mask = S5M8763_IRQ_CHGFAULT_MASK, }, [S5M8763_IRQ_LOBAT1] = { - .reg = 4, + .reg_offset = 4, .mask = S5M8763_IRQ_LOBAT1_MASK, }, [S5M8763_IRQ_LOBAT2] = { - .reg = 4, + .reg_offset = 4, .mask = S5M8763_IRQ_LOBAT2_MASK, }, }; -static inline struct sec_irq_data * -irq_to_s5m8767_irq(struct sec_pmic_dev *sec_pmic, int irq) -{ - return &s5m8767_irqs[irq - sec_pmic->irq_base]; -} - -static void s5m8767_irq_lock(struct irq_data *data) -{ - struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); - - mutex_lock(&sec_pmic->irqlock); -} - -static void s5m8767_irq_sync_unlock(struct irq_data *data) -{ - struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); - int i; - - for (i = 0; i < ARRAY_SIZE(sec_pmic->irq_masks_cur); i++) { - if (sec_pmic->irq_masks_cur[i] != sec_pmic->irq_masks_cache[i]) { - sec_pmic->irq_masks_cache[i] = sec_pmic->irq_masks_cur[i]; - sec_reg_write(sec_pmic, S5M8767_REG_INT1M + i, - sec_pmic->irq_masks_cur[i]); - } - } - - mutex_unlock(&sec_pmic->irqlock); -} - -static void s5m8767_irq_unmask(struct irq_data *data) -{ - struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); - struct sec_irq_data *irq_data = irq_to_s5m8767_irq(sec_pmic, - data->irq); - - sec_pmic->irq_masks_cur[irq_data->reg - 1] &= ~irq_data->mask; -} - -static void s5m8767_irq_mask(struct irq_data *data) -{ - struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); - struct sec_irq_data *irq_data = irq_to_s5m8767_irq(sec_pmic, - data->irq); - - sec_pmic->irq_masks_cur[irq_data->reg - 1] |= irq_data->mask; -} +static struct regmap_irq_chip s2mps11_irq_chip = { + .name = "s2mps11", + .irqs = s2mps11_irqs, + .num_irqs = ARRAY_SIZE(s2mps11_irqs), + .num_regs = 3, + .status_base = S2MPS11_REG_INT1, + .mask_base = S2MPS11_REG_INT1M, + .ack_base = S2MPS11_REG_INT1, +}; -static struct irq_chip s5m8767_irq_chip = { +static struct regmap_irq_chip s5m8767_irq_chip = { .name = "s5m8767", - .irq_bus_lock = s5m8767_irq_lock, - .irq_bus_sync_unlock = s5m8767_irq_sync_unlock, - .irq_mask = s5m8767_irq_mask, - .irq_unmask = s5m8767_irq_unmask, + .irqs = s5m8767_irqs, + .num_irqs = ARRAY_SIZE(s5m8767_irqs), + .num_regs = 3, + .status_base = S5M8767_REG_INT1, + .mask_base = S5M8767_REG_INT1M, + .ack_base = S5M8767_REG_INT1, }; -static inline struct sec_irq_data * -irq_to_s5m8763_irq(struct sec_pmic_dev *sec_pmic, int irq) -{ - return &s5m8763_irqs[irq - sec_pmic->irq_base]; -} - -static void s5m8763_irq_lock(struct irq_data *data) -{ - struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); - - mutex_lock(&sec_pmic->irqlock); -} - -static void s5m8763_irq_sync_unlock(struct irq_data *data) -{ - struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); - int i; - - for (i = 0; i < ARRAY_SIZE(sec_pmic->irq_masks_cur); i++) { - if (sec_pmic->irq_masks_cur[i] != sec_pmic->irq_masks_cache[i]) { - sec_pmic->irq_masks_cache[i] = sec_pmic->irq_masks_cur[i]; - sec_reg_write(sec_pmic, S5M8763_REG_IRQM1 + i, - sec_pmic->irq_masks_cur[i]); - } - } - - mutex_unlock(&sec_pmic->irqlock); -} - -static void s5m8763_irq_unmask(struct irq_data *data) -{ - struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); - struct sec_irq_data *irq_data = irq_to_s5m8763_irq(sec_pmic, - data->irq); - - sec_pmic->irq_masks_cur[irq_data->reg - 1] &= ~irq_data->mask; -} - -static void s5m8763_irq_mask(struct irq_data *data) -{ - struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); - struct sec_irq_data *irq_data = irq_to_s5m8763_irq(sec_pmic, - data->irq); - - sec_pmic->irq_masks_cur[irq_data->reg - 1] |= irq_data->mask; -} - -static struct irq_chip s5m8763_irq_chip = { +static struct regmap_irq_chip s5m8763_irq_chip = { .name = "s5m8763", - .irq_bus_lock = s5m8763_irq_lock, - .irq_bus_sync_unlock = s5m8763_irq_sync_unlock, - .irq_mask = s5m8763_irq_mask, - .irq_unmask = s5m8763_irq_unmask, + .irqs = s5m8763_irqs, + .num_irqs = ARRAY_SIZE(s5m8763_irqs), + .num_regs = 4, + .status_base = S5M8763_REG_IRQ1, + .mask_base = S5M8763_REG_IRQM1, + .ack_base = S5M8763_REG_IRQ1, }; - -static irqreturn_t s5m8767_irq_thread(int irq, void *data) -{ - struct sec_pmic_dev *sec_pmic = data; - u8 irq_reg[NUM_IRQ_REGS-1]; - int ret; - int i; - - - ret = sec_bulk_read(sec_pmic, S5M8767_REG_INT1, - NUM_IRQ_REGS - 1, irq_reg); - if (ret < 0) { - dev_err(sec_pmic->dev, "Failed to read interrupt register: %d\n", - ret); - return IRQ_NONE; - } - - for (i = 0; i < NUM_IRQ_REGS - 1; i++) - irq_reg[i] &= ~sec_pmic->irq_masks_cur[i]; - - for (i = 0; i < S5M8767_IRQ_NR; i++) { - if (irq_reg[s5m8767_irqs[i].reg - 1] & s5m8767_irqs[i].mask) - handle_nested_irq(sec_pmic->irq_base + i); - } - - return IRQ_HANDLED; -} - -static irqreturn_t s5m8763_irq_thread(int irq, void *data) -{ - struct sec_pmic_dev *sec_pmic = data; - u8 irq_reg[NUM_IRQ_REGS]; - int ret; - int i; - - ret = sec_bulk_read(sec_pmic, S5M8763_REG_IRQ1, - NUM_IRQ_REGS, irq_reg); - if (ret < 0) { - dev_err(sec_pmic->dev, "Failed to read interrupt register: %d\n", - ret); - return IRQ_NONE; - } - - for (i = 0; i < NUM_IRQ_REGS; i++) - irq_reg[i] &= ~sec_pmic->irq_masks_cur[i]; - - for (i = 0; i < S5M8763_IRQ_NR; i++) { - if (irq_reg[s5m8763_irqs[i].reg - 1] & s5m8763_irqs[i].mask) - handle_nested_irq(sec_pmic->irq_base + i); - } - - return IRQ_HANDLED; -} - -int sec_irq_resume(struct sec_pmic_dev *sec_pmic) -{ - if (sec_pmic->irq && sec_pmic->irq_base) { - switch (sec_pmic->device_type) { - case S5M8763X: - s5m8763_irq_thread(sec_pmic->irq_base, sec_pmic); - break; - case S5M8767X: - s5m8767_irq_thread(sec_pmic->irq_base, sec_pmic); - break; - default: - dev_err(sec_pmic->dev, - "Unknown device type %d\n", - sec_pmic->device_type); - return -EINVAL; - - } - } - return 0; -} - int sec_irq_init(struct sec_pmic_dev *sec_pmic) { - int i; - int cur_irq; int ret = 0; int type = sec_pmic->device_type; @@ -369,119 +278,33 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic) return 0; } - if (!sec_pmic->irq_base) { - dev_err(sec_pmic->dev, - "No interrupt base specified, no interrupts\n"); - return 0; - } - - mutex_init(&sec_pmic->irqlock); - switch (type) { case S5M8763X: - for (i = 0; i < NUM_IRQ_REGS; i++) { - sec_pmic->irq_masks_cur[i] = 0xff; - sec_pmic->irq_masks_cache[i] = 0xff; - sec_reg_write(sec_pmic, S5M8763_REG_IRQM1 + i, - 0xff); - } - - sec_reg_write(sec_pmic, S5M8763_REG_STATUSM1, 0xff); - sec_reg_write(sec_pmic, S5M8763_REG_STATUSM2, 0xff); - - for (i = 0; i < S5M8763_IRQ_NR; i++) { - cur_irq = i + sec_pmic->irq_base; - irq_set_chip_data(cur_irq, sec_pmic); - irq_set_chip_and_handler(cur_irq, &s5m8763_irq_chip, - handle_edge_irq); - irq_set_nested_thread(cur_irq, 1); -#ifdef CONFIG_ARM - set_irq_flags(cur_irq, IRQF_VALID); -#else - irq_set_noprobe(cur_irq); -#endif - } - - ret = request_threaded_irq(sec_pmic->irq, NULL, - s5m8763_irq_thread, - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, - "sec-pmic-irq", sec_pmic); - if (ret) { - dev_err(sec_pmic->dev, "Failed to request IRQ %d: %d\n", - sec_pmic->irq, ret); - return ret; - } + ret = regmap_add_irq_chip(sec_pmic->regmap, sec_pmic->irq, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + sec_pmic->irq_base, &s5m8763_irq_chip, + &sec_pmic->irq_data); break; case S5M8767X: - for (i = 0; i < NUM_IRQ_REGS - 1; i++) { - sec_pmic->irq_masks_cur[i] = 0xff; - sec_pmic->irq_masks_cache[i] = 0xff; - sec_reg_write(sec_pmic, S5M8767_REG_INT1M + i, - 0xff); - } - for (i = 0; i < S5M8767_IRQ_NR; i++) { - cur_irq = i + sec_pmic->irq_base; - irq_set_chip_data(cur_irq, sec_pmic); - if (ret) { - dev_err(sec_pmic->dev, - "Failed to irq_set_chip_data %d: %d\n", - sec_pmic->irq, ret); - return ret; - } - - irq_set_chip_and_handler(cur_irq, &s5m8767_irq_chip, - handle_edge_irq); - irq_set_nested_thread(cur_irq, 1); -#ifdef CONFIG_ARM - set_irq_flags(cur_irq, IRQF_VALID); -#else - irq_set_noprobe(cur_irq); -#endif - } - - ret = request_threaded_irq(sec_pmic->irq, NULL, - s5m8767_irq_thread, - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, - "sec-pmic-irq", sec_pmic); - if (ret) { - dev_err(sec_pmic->dev, "Failed to request IRQ %d: %d\n", - sec_pmic->irq, ret); - return ret; - } + ret = regmap_add_irq_chip(sec_pmic->regmap, sec_pmic->irq, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + sec_pmic->irq_base, &s5m8767_irq_chip, + &sec_pmic->irq_data); break; - default: - dev_err(sec_pmic->dev, - "Unknown device type %d\n", sec_pmic->device_type); - return -EINVAL; - } - - if (!sec_pmic->ono) - return 0; - - switch (type) { - case S5M8763X: - ret = request_threaded_irq(sec_pmic->ono, NULL, - s5m8763_irq_thread, - IRQF_TRIGGER_FALLING | - IRQF_TRIGGER_RISING | - IRQF_ONESHOT, "sec_pmic-ono", - sec_pmic); - break; - case S5M8767X: - ret = request_threaded_irq(sec_pmic->ono, NULL, - s5m8767_irq_thread, - IRQF_TRIGGER_FALLING | - IRQF_TRIGGER_RISING | - IRQF_ONESHOT, "sec_pmic-ono", sec_pmic); + case S2MPS11X: + ret = regmap_add_irq_chip(sec_pmic->regmap, sec_pmic->irq, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + sec_pmic->irq_base, &s2mps11_irq_chip, + &sec_pmic->irq_data); break; default: - ret = -EINVAL; - break; + dev_err(sec_pmic->dev, "Unknown device type %d\n", + sec_pmic->device_type); + return -EINVAL; } - if (ret) { - dev_err(sec_pmic->dev, "Failed to request IRQ %d: %d\n", - sec_pmic->ono, ret); + if (ret != 0) { + dev_err(sec_pmic->dev, "Failed to register IRQ chip: %d\n", ret); return ret; } @@ -490,9 +313,5 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic) void sec_irq_exit(struct sec_pmic_dev *sec_pmic) { - if (sec_pmic->ono) - free_irq(sec_pmic->ono, sec_pmic); - - if (sec_pmic->irq) - free_irq(sec_pmic->irq, sec_pmic); + regmap_del_irq_chip(sec_pmic->irq, sec_pmic->irq_data); } -- cgit