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[203.254.224.25]) by gmr-mx.google.com with ESMTPS id zs4si1442222pbc.1.2014.04.28.06.56.42 for (version=TLSv1 cipher=RC4-MD5 bits=128/128); Mon, 28 Apr 2014 06:56:43 -0700 (PDT) Received-SPF: none (google.com: r.baldyga@samsung.com does not designate permitted sender hosts) client-ip=203.254.224.25; Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout2.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N4Q00K1DUQHE0A0@mailout2.samsung.com> for rtc-linux@googlegroups.com; Mon, 28 Apr 2014 22:56:41 +0900 (KST) X-AuditID: cbfee61a-b7f2b6d000006c4d-a5-535e5e19c2d8 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 95.47.27725.91E5E535; Mon, 28 Apr 2014 22:56:41 +0900 (KST) Received: from AMDC2122.DIGITAL.local ([106.120.53.17]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0N4Q00CABUP4Y2D0@mmp2.samsung.com>; Mon, 28 Apr 2014 22:56:41 +0900 (KST) From: Robert Baldyga To: sameo@linux.intel.com, lee.jones@linaro.org Cc: a.zummo@towertech.it, linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com, m.szyprowski@samsung.com, k.kozlowski@samsung.com, Robert Baldyga Subject: [rtc-linux] [PATCH v4 1/3] mfd: max8997: use regmap to access registers Date: Mon, 28 Apr 2014 15:55:56 +0200 Message-id: <1398693358-28336-2-git-send-email-r.baldyga@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1398693358-28336-1-git-send-email-r.baldyga@samsung.com> References: <1398693358-28336-1-git-send-email-r.baldyga@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprDLMWRmVeSWpSXmKPExsVy+t9jQV3JuLhgg6dzRSyWXLzKbvH6haHF /a9HGS0u75rDZrH2yF12iweHd7Jb7O/sYLQ43c3qwOGxZ+JJNo871/awecw7GejRt2UVo8f0 eT+ZPD5vkgtgi+KySUnNySxLLdK3S+DKeH31IkvBlmtMFQsb57E1ML6ZwdTFyMkhIWAisenX LxYIW0ziwr31bF2MXBxCAtMZJXYeOskK4bQzScz7/owVpIpNQEdiy/cJjCC2iIC+xIcdV5lB ipgFNjJKTJz5kRkkISzgIvFw60WgFRwcLAKqEl/aUkFMXgFXiYZ96RDL5CROHpsMNpJTwE1i /5FnbCC2EFDJoc6NLBMYeRcwMqxiFE0tSC4oTkrPNdQrTswtLs1L10vOz93ECA6zZ1I7GFc2 WBxiFOBgVOLhNYiKCxZiTSwrrsw9xCjBwawkwjvdFSjEm5JYWZValB9fVJqTWnyIUZqDRUmc 90CrdaCQQHpiSWp2ampBahFMlomDU6qB0a7n12/biY9dL8y9ZH7h5ebtbgU3562tyZqkddXp xvkbxpIRQfrFRoYrb9+t/dDkata8cdWttoR864rpf25sfjT1QHbrOscJF566bfx5zPXwkv+V vz8uzFn0cSHvjN8JBifvnZKL1j9+m3dHWzCzW/SL+Q0GU5ln6F/PvHGoY7Kk85orhjG9l38q sRRnJBpqMRcVJwIASR97OC8CAAA= X-Original-Sender: r.baldyga@samsung.com X-Original-Authentication-Results: gmr-mx.google.com; spf=neutral (google.com: r.baldyga@samsung.com does not designate permitted sender hosts) smtp.mail=r.baldyga@samsung.com Reply-To: rtc-linux@googlegroups.com Precedence: list Mailing-list: list rtc-linux@googlegroups.com; contact rtc-linux+owners@googlegroups.com List-ID: X-Google-Group-Id: 712029733259 List-Post: , List-Help: , List-Archive: Sender: rtc-linux@googlegroups.com List-Subscribe: , List-Unsubscribe: , This patch modifies max8997 driver and each associated function driver, to use regmap instead of operating directly on i2c bus. It will allow to simplify IRQ handling using regmap-irq. Signed-off-by: Robert Baldyga Reviewed-by: Krzysztof Kozlowski [For extcon part] Acked-by: Chanwoo Choi [For leds part] Acked-by: Bryan Wu --- drivers/extcon/extcon-max8997.c | 31 ++++---- drivers/input/misc/max8997_haptic.c | 34 +++++---- drivers/leds/leds-max8997.c | 13 ++-- drivers/mfd/Kconfig | 1 + drivers/mfd/max8997-irq.c | 64 +++++++--------- drivers/mfd/max8997.c | 141 ++++++++++++++++-------------------- drivers/power/max8997_charger.c | 33 +++++---- drivers/regulator/max8997.c | 87 +++++++++++----------- drivers/rtc/rtc-max8997.c | 56 +++++++------- include/linux/mfd/max8997-private.h | 17 ++--- 10 files changed, 228 insertions(+), 249 deletions(-) diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c index 6a00464..f258c08 100644 --- a/drivers/extcon/extcon-max8997.c +++ b/drivers/extcon/extcon-max8997.c @@ -27,6 +27,7 @@ #include #include #include +#include #define DEV_NAME "max8997-muic" #define DELAY_MS_DEFAULT 20000 /* unit: millisecond */ @@ -116,7 +117,7 @@ enum max8997_muic_charger_type { struct max8997_muic_info { struct device *dev; - struct i2c_client *muic; + struct max8997_dev *max8997; struct extcon_dev *edev; int prev_cable_type; int prev_chg_type; @@ -190,10 +191,10 @@ static int max8997_muic_set_debounce_time(struct max8997_muic_info *info, case ADC_DEBOUNCE_TIME_10MS: case ADC_DEBOUNCE_TIME_25MS: case ADC_DEBOUNCE_TIME_38_62MS: - ret = max8997_update_reg(info->muic, + ret = regmap_update_bits(info->max8997->regmap_muic, MAX8997_MUIC_REG_CONTROL3, - time << CONTROL3_ADCDBSET_SHIFT, - CONTROL3_ADCDBSET_MASK); + CONTROL3_ADCDBSET_MASK, + time << CONTROL3_ADCDBSET_SHIFT); if (ret) { dev_err(info->dev, "failed to set ADC debounce time\n"); return ret; @@ -228,8 +229,8 @@ static int max8997_muic_set_path(struct max8997_muic_info *info, else ctrl1 = CONTROL1_SW_OPEN; - ret = max8997_update_reg(info->muic, - MAX8997_MUIC_REG_CONTROL1, ctrl1, COMP_SW_MASK); + ret = regmap_update_bits(info->max8997->regmap_muic, + MAX8997_MUIC_REG_CONTROL1, COMP_SW_MASK, ctrl1); if (ret < 0) { dev_err(info->dev, "failed to update MUIC register\n"); return ret; @@ -240,9 +241,9 @@ static int max8997_muic_set_path(struct max8997_muic_info *info, else ctrl2 |= CONTROL2_LOWPWR_MASK; /* LowPwr=1, CPEn=0 */ - ret = max8997_update_reg(info->muic, - MAX8997_MUIC_REG_CONTROL2, ctrl2, - CONTROL2_LOWPWR_MASK | CONTROL2_CPEN_MASK); + ret = regmap_update_bits(info->max8997->regmap_muic, + MAX8997_MUIC_REG_CONTROL2, + CONTROL2_LOWPWR_MASK | CONTROL2_CPEN_MASK, ctrl2); if (ret < 0) { dev_err(info->dev, "failed to update MUIC register\n"); return ret; @@ -543,8 +544,8 @@ static void max8997_muic_irq_work(struct work_struct *work) if (info->irq == muic_irqs[i].virq) irq_type = muic_irqs[i].irq; - ret = max8997_bulk_read(info->muic, MAX8997_MUIC_REG_STATUS1, - 2, info->status); + ret = regmap_bulk_read(info->max8997->regmap_muic, + MAX8997_MUIC_REG_STATUS1, info->status, 2); if (ret) { dev_err(info->dev, "failed to read muic register\n"); mutex_unlock(&info->mutex); @@ -605,8 +606,8 @@ static int max8997_muic_detect_dev(struct max8997_muic_info *info) mutex_lock(&info->mutex); /* Read STATUSx register to detect accessory */ - ret = max8997_bulk_read(info->muic, - MAX8997_MUIC_REG_STATUS1, 2, info->status); + ret = regmap_bulk_read(info->max8997->regmap_muic, + MAX8997_MUIC_REG_STATUS1, info->status, 2); if (ret) { dev_err(info->dev, "failed to read MUIC register\n"); mutex_unlock(&info->mutex); @@ -667,7 +668,7 @@ static int max8997_muic_probe(struct platform_device *pdev) } info->dev = &pdev->dev; - info->muic = max8997->muic; + info->max8997 = max8997; platform_set_drvdata(pdev, info); mutex_init(&info->mutex); @@ -721,7 +722,7 @@ static int max8997_muic_probe(struct platform_device *pdev) /* Initialize registers according to platform data */ for (i = 0; i < muic_pdata->num_init_data; i++) { - max8997_write_reg(info->muic, + regmap_write(info->max8997->regmap_muic, muic_pdata->init_data[i].addr, muic_pdata->init_data[i].data); } diff --git a/drivers/input/misc/max8997_haptic.c b/drivers/input/misc/max8997_haptic.c index 1fea548..d3f7079 100644 --- a/drivers/input/misc/max8997_haptic.c +++ b/drivers/input/misc/max8997_haptic.c @@ -31,6 +31,7 @@ #include #include #include +#include /* Haptic configuration 2 register */ #define MAX8997_MOTOR_TYPE_SHIFT 7 @@ -45,7 +46,7 @@ struct max8997_haptic { struct device *dev; - struct i2c_client *client; + struct max8997_dev *max8997; struct input_dev *input_dev; struct regulator *regulator; @@ -86,19 +87,19 @@ static int max8997_haptic_set_duty_cycle(struct max8997_haptic *chip) } switch (chip->internal_mode_pattern) { case 0: - max8997_write_reg(chip->client, + regmap_write(chip->max8997->regmap_haptic, MAX8997_HAPTIC_REG_SIGPWMDC1, duty_index); break; case 1: - max8997_write_reg(chip->client, + regmap_write(chip->max8997->regmap_haptic, MAX8997_HAPTIC_REG_SIGPWMDC2, duty_index); break; case 2: - max8997_write_reg(chip->client, + regmap_write(chip->max8997->regmap_haptic, MAX8997_HAPTIC_REG_SIGPWMDC3, duty_index); break; case 3: - max8997_write_reg(chip->client, + regmap_write(chip->max8997->regmap_haptic, MAX8997_HAPTIC_REG_SIGPWMDC4, duty_index); break; default: @@ -115,50 +116,51 @@ static void max8997_haptic_configure(struct max8997_haptic *chip) value = chip->type << MAX8997_MOTOR_TYPE_SHIFT | chip->enabled << MAX8997_ENABLE_SHIFT | chip->mode << MAX8997_MODE_SHIFT | chip->pwm_divisor; - max8997_write_reg(chip->client, MAX8997_HAPTIC_REG_CONF2, value); + regmap_write(chip->max8997->regmap_haptic, + MAX8997_HAPTIC_REG_CONF2, value); if (chip->mode == MAX8997_INTERNAL_MODE && chip->enabled) { value = chip->internal_mode_pattern << MAX8997_CYCLE_SHIFT | chip->internal_mode_pattern << MAX8997_SIG_PERIOD_SHIFT | chip->internal_mode_pattern << MAX8997_SIG_DUTY_SHIFT | chip->internal_mode_pattern << MAX8997_PWM_DUTY_SHIFT; - max8997_write_reg(chip->client, + regmap_write(chip->max8997->regmap_haptic, MAX8997_HAPTIC_REG_DRVCONF, value); switch (chip->internal_mode_pattern) { case 0: value = chip->pattern_cycle << 4; - max8997_write_reg(chip->client, + regmap_write(chip->max8997->regmap_haptic, MAX8997_HAPTIC_REG_CYCLECONF1, value); value = chip->pattern_signal_period; - max8997_write_reg(chip->client, + regmap_write(chip->max8997->regmap_haptic, MAX8997_HAPTIC_REG_SIGCONF1, value); break; case 1: value = chip->pattern_cycle; - max8997_write_reg(chip->client, + regmap_write(chip->max8997->regmap_haptic, MAX8997_HAPTIC_REG_CYCLECONF1, value); value = chip->pattern_signal_period; - max8997_write_reg(chip->client, + regmap_write(chip->max8997->regmap_haptic, MAX8997_HAPTIC_REG_SIGCONF2, value); break; case 2: value = chip->pattern_cycle << 4; - max8997_write_reg(chip->client, + regmap_write(chip->max8997->regmap_haptic, MAX8997_HAPTIC_REG_CYCLECONF2, value); value = chip->pattern_signal_period; - max8997_write_reg(chip->client, + regmap_write(chip->max8997->regmap_haptic, MAX8997_HAPTIC_REG_SIGCONF3, value); break; case 3: value = chip->pattern_cycle; - max8997_write_reg(chip->client, + regmap_write(chip->max8997->regmap_haptic, MAX8997_HAPTIC_REG_CYCLECONF2, value); value = chip->pattern_signal_period; - max8997_write_reg(chip->client, + regmap_write(chip->max8997->regmap_haptic, MAX8997_HAPTIC_REG_SIGCONF4, value); break; @@ -267,7 +269,7 @@ static int max8997_haptic_probe(struct platform_device *pdev) INIT_WORK(&chip->work, max8997_haptic_play_effect_work); mutex_init(&chip->mutex); - chip->client = iodev->haptic; + chip->max8997 = iodev; chip->dev = &pdev->dev; chip->input_dev = input_dev; chip->pwm_period = haptic_pdata->pwm_period; diff --git a/drivers/leds/leds-max8997.c b/drivers/leds/leds-max8997.c index f449a8b..e2da8f2 100644 --- a/drivers/leds/leds-max8997.c +++ b/drivers/leds/leds-max8997.c @@ -18,6 +18,7 @@ #include #include #include +#include #define MAX8997_LED_FLASH_SHIFT 3 #define MAX8997_LED_FLASH_CUR_MASK 0xf8 @@ -53,7 +54,6 @@ static void max8997_led_set_mode(struct max8997_led *led, enum max8997_led_mode mode) { int ret; - struct i2c_client *client = led->iodev->i2c; u8 mask = 0, val; switch (mode) { @@ -89,8 +89,8 @@ static void max8997_led_set_mode(struct max8997_led *led, } if (mask) { - ret = max8997_update_reg(client, MAX8997_REG_LEN_CNTL, val, - mask); + ret = regmap_update_bits(led->iodev->regmap, + MAX8997_REG_LEN_CNTL, mask, val); if (ret) dev_err(led->iodev->dev, "failed to update register(%d)\n", ret); @@ -102,7 +102,6 @@ static void max8997_led_set_mode(struct max8997_led *led, static void max8997_led_enable(struct max8997_led *led, bool enable) { int ret; - struct i2c_client *client = led->iodev->i2c; u8 val = 0, mask = MAX8997_LED_BOOST_ENABLE_MASK; if (led->enabled == enable) @@ -110,7 +109,8 @@ static void max8997_led_enable(struct max8997_led *led, bool enable) val = enable ? MAX8997_LED_BOOST_ENABLE_MASK : 0; - ret = max8997_update_reg(client, MAX8997_REG_BOOST_CNTL, val, mask); + ret = regmap_update_bits(led->iodev->regmap, + MAX8997_REG_BOOST_CNTL, mask, val); if (ret) dev_err(led->iodev->dev, "failed to update register(%d)\n", ret); @@ -122,7 +122,6 @@ static void max8997_led_set_current(struct max8997_led *led, enum led_brightness value) { int ret; - struct i2c_client *client = led->iodev->i2c; u8 val = 0, mask = 0, reg = 0; switch (led->led_mode) { @@ -143,7 +142,7 @@ static void max8997_led_set_current(struct max8997_led *led, } if (mask) { - ret = max8997_update_reg(client, reg, val, mask); + ret = regmap_update_bits(led->iodev->regmap, reg, mask, val); if (ret) dev_err(led->iodev->dev, "failed to update register(%d)\n", ret); diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index bc9bbf6..4bb2ec0 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -406,6 +406,7 @@ config MFD_MAX8997 bool "Maxim Semiconductor MAX8997/8966 PMIC Support" depends on I2C=y select MFD_CORE + select REGMAP_I2C select IRQ_DOMAIN help Say yes here to add support for Maxim Semiconductor MAX8997/8966. diff --git a/drivers/mfd/max8997-irq.c b/drivers/mfd/max8997-irq.c index 43fa614..0e7ff39 100644 --- a/drivers/mfd/max8997-irq.c +++ b/drivers/mfd/max8997-irq.c @@ -26,6 +26,7 @@ #include #include #include +#include static const u8 max8997_mask_reg[] = { [PMIC_INT1] = MAX8997_REG_INT1MSK, @@ -41,25 +42,6 @@ static const u8 max8997_mask_reg[] = { [FLASH_STATUS] = MAX8997_REG_INVALID, }; -static struct i2c_client *get_i2c(struct max8997_dev *max8997, - enum max8997_irq_source src) -{ - switch (src) { - case PMIC_INT1 ... PMIC_INT4: - return max8997->i2c; - case FUEL_GAUGE: - return NULL; - case MUIC_INT1 ... MUIC_INT3: - return max8997->muic; - case GPIO_LOW ... GPIO_HI: - return max8997->i2c; - case FLASH_STATUS: - return max8997->i2c; - default: - return ERR_PTR(-EINVAL); - } -} - struct max8997_irq_data { int mask; enum max8997_irq_source group; @@ -124,15 +106,20 @@ static void max8997_irq_sync_unlock(struct irq_data *data) int i; for (i = 0; i < MAX8997_IRQ_GROUP_NR; i++) { + struct regmap *map; u8 mask_reg = max8997_mask_reg[i]; - struct i2c_client *i2c = get_i2c(max8997, i); + + if (i >= MUIC_INT1 && i <= MUIC_INT3) + map = max8997->regmap_muic; + else + map = max8997->regmap; if (mask_reg == MAX8997_REG_INVALID || - IS_ERR_OR_NULL(i2c)) + IS_ERR_OR_NULL(map)) continue; max8997->irq_masks_cache[i] = max8997->irq_masks_cur[i]; - max8997_write_reg(i2c, max8997_mask_reg[i], + regmap_write(map, max8997_mask_reg[i], max8997->irq_masks_cur[i]); } @@ -181,11 +168,11 @@ static irqreturn_t max8997_irq_thread(int irq, void *data) { struct max8997_dev *max8997 = data; u8 irq_reg[MAX8997_IRQ_GROUP_NR] = {}; - u8 irq_src; + unsigned int irq_src; int ret; int i, cur_irq; - ret = max8997_read_reg(max8997->i2c, MAX8997_REG_INTSRC, &irq_src); + ret = regmap_read(max8997->regmap, MAX8997_REG_INTSRC, &irq_src); if (ret < 0) { dev_err(max8997->dev, "Failed to read interrupt source: %d\n", ret); @@ -194,8 +181,8 @@ static irqreturn_t max8997_irq_thread(int irq, void *data) if (irq_src & MAX8997_IRQSRC_PMIC) { /* PMIC INT1 ~ INT4 */ - max8997_bulk_read(max8997->i2c, MAX8997_REG_INT1, 4, - &irq_reg[PMIC_INT1]); + regmap_bulk_read(max8997->regmap, MAX8997_REG_INT1, + &irq_reg[PMIC_INT1], 4); } if (irq_src & MAX8997_IRQSRC_FUELGAUGE) { /* @@ -215,8 +202,8 @@ static irqreturn_t max8997_irq_thread(int irq, void *data) } if (irq_src & MAX8997_IRQSRC_MUIC) { /* MUIC INT1 ~ INT3 */ - max8997_bulk_read(max8997->muic, MAX8997_MUIC_REG_INT1, 3, - &irq_reg[MUIC_INT1]); + regmap_bulk_read(max8997->regmap_muic, MAX8997_MUIC_REG_INT1, + &irq_reg[MUIC_INT1], 3); } if (irq_src & MAX8997_IRQSRC_GPIO) { /* GPIO Interrupt */ @@ -225,8 +212,8 @@ static irqreturn_t max8997_irq_thread(int irq, void *data) irq_reg[GPIO_LOW] = 0; irq_reg[GPIO_HI] = 0; - max8997_bulk_read(max8997->i2c, MAX8997_REG_GPIOCNTL1, - MAX8997_NUM_GPIO, gpio_info); + regmap_bulk_read(max8997->regmap, MAX8997_REG_GPIOCNTL1, + gpio_info, MAX8997_NUM_GPIO); for (i = 0; i < MAX8997_NUM_GPIO; i++) { bool interrupt = false; @@ -260,8 +247,10 @@ static irqreturn_t max8997_irq_thread(int irq, void *data) } if (irq_src & MAX8997_IRQSRC_FLASH) { /* Flash Status Interrupt */ - ret = max8997_read_reg(max8997->i2c, MAX8997_REG_FLASHSTATUS, - &irq_reg[FLASH_STATUS]); + unsigned int data; + ret = regmap_read(max8997->regmap, + MAX8997_REG_FLASHSTATUS, &data); + irq_reg[FLASH_STATUS] = data; } /* Apply masking */ @@ -312,7 +301,7 @@ int max8997_irq_init(struct max8997_dev *max8997) struct irq_domain *domain; int i; int ret; - u8 val; + unsigned int val; if (!max8997->irq) { dev_warn(max8997->dev, "No interrupt specified.\n"); @@ -323,22 +312,19 @@ int max8997_irq_init(struct max8997_dev *max8997) /* Mask individual interrupt sources */ for (i = 0; i < MAX8997_IRQ_GROUP_NR; i++) { - struct i2c_client *i2c; - max8997->irq_masks_cur[i] = 0xff; max8997->irq_masks_cache[i] = 0xff; - i2c = get_i2c(max8997, i); - if (IS_ERR_OR_NULL(i2c)) + if (IS_ERR_OR_NULL(max8997->regmap)) continue; if (max8997_mask_reg[i] == MAX8997_REG_INVALID) continue; - max8997_write_reg(i2c, max8997_mask_reg[i], 0xff); + regmap_write(max8997->regmap, max8997_mask_reg[i], 0xff); } for (i = 0; i < MAX8997_NUM_GPIO; i++) { - max8997->gpio_status[i] = (max8997_read_reg(max8997->i2c, + max8997->gpio_status[i] = (regmap_read(max8997->regmap, MAX8997_REG_GPIOCNTL1 + i, &val) & MAX8997_GPIO_DATA_MASK) ? diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c index 8cf7a01..782d7c9 100644 --- a/drivers/mfd/max8997.c +++ b/drivers/mfd/max8997.c @@ -33,6 +33,7 @@ #include #include #include +#include #define I2C_ADDR_PMIC (0xCC >> 1) #define I2C_ADDR_MUIC (0x4A >> 1) @@ -57,81 +58,29 @@ static struct of_device_id max8997_pmic_dt_match[] = { }; #endif -int max8997_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest) -{ - struct max8997_dev *max8997 = i2c_get_clientdata(i2c); - int ret; - - mutex_lock(&max8997->iolock); - ret = i2c_smbus_read_byte_data(i2c, reg); - mutex_unlock(&max8997->iolock); - if (ret < 0) - return ret; - - ret &= 0xff; - *dest = ret; - return 0; -} -EXPORT_SYMBOL_GPL(max8997_read_reg); - -int max8997_bulk_read(struct i2c_client *i2c, u8 reg, int count, u8 *buf) -{ - struct max8997_dev *max8997 = i2c_get_clientdata(i2c); - int ret; - - mutex_lock(&max8997->iolock); - ret = i2c_smbus_read_i2c_block_data(i2c, reg, count, buf); - mutex_unlock(&max8997->iolock); - if (ret < 0) - return ret; - - return 0; -} -EXPORT_SYMBOL_GPL(max8997_bulk_read); - -int max8997_write_reg(struct i2c_client *i2c, u8 reg, u8 value) -{ - struct max8997_dev *max8997 = i2c_get_clientdata(i2c); - int ret; - - mutex_lock(&max8997->iolock); - ret = i2c_smbus_write_byte_data(i2c, reg, value); - mutex_unlock(&max8997->iolock); - return ret; -} -EXPORT_SYMBOL_GPL(max8997_write_reg); - -int max8997_bulk_write(struct i2c_client *i2c, u8 reg, int count, u8 *buf) -{ - struct max8997_dev *max8997 = i2c_get_clientdata(i2c); - int ret; +static const struct regmap_config max8997_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = MAX8997_REG_PMIC_END, +}; - mutex_lock(&max8997->iolock); - ret = i2c_smbus_write_i2c_block_data(i2c, reg, count, buf); - mutex_unlock(&max8997->iolock); - if (ret < 0) - return ret; +static const struct regmap_config max8997_regmap_rtc_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = MAX8997_RTC_REG_END, +}; - return 0; -} -EXPORT_SYMBOL_GPL(max8997_bulk_write); +static const struct regmap_config max8997_regmap_haptic_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = MAX8997_HAPTIC_REG_END, +}; -int max8997_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask) -{ - struct max8997_dev *max8997 = i2c_get_clientdata(i2c); - int ret; - - mutex_lock(&max8997->iolock); - ret = i2c_smbus_read_byte_data(i2c, reg); - if (ret >= 0) { - u8 old_val = ret & 0xff; - u8 new_val = (val & mask) | (old_val & (~mask)); - ret = i2c_smbus_write_byte_data(i2c, reg, new_val); - } - mutex_unlock(&max8997->iolock); - return ret; -} -EXPORT_SYMBOL_GPL(max8997_update_reg); +static const struct regmap_config max8997_regmap_muic_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = MAX8997_MUIC_REG_END, +}; /* * Only the common platform data elements for max8997 are parsed here from the @@ -230,6 +179,41 @@ static int max8997_i2c_probe(struct i2c_client *i2c, } i2c_set_clientdata(max8997->muic, max8997); + max8997->regmap = devm_regmap_init_i2c(i2c, &max8997_regmap_config); + if (IS_ERR(max8997->regmap)) { + ret = PTR_ERR(max8997->regmap); + dev_err(max8997->dev, + "failed to allocate register map: %d\n", ret); + return ret; + } + + max8997->regmap_rtc = devm_regmap_init_i2c(max8997->rtc, + &max8997_regmap_rtc_config); + if (IS_ERR(max8997->regmap_rtc)) { + ret = PTR_ERR(max8997->regmap_rtc); + dev_err(max8997->dev, + "failed to allocate register map: %d\n", ret); + goto err_regmap; + } + + max8997->regmap_haptic = devm_regmap_init_i2c(max8997->haptic, + &max8997_regmap_haptic_config); + if (IS_ERR(max8997->regmap_haptic)) { + ret = PTR_ERR(max8997->regmap_haptic); + dev_err(max8997->dev, + "failed to allocate register map: %d\n", ret); + goto err_regmap; + } + + max8997->regmap_muic = devm_regmap_init_i2c(max8997->muic, + &max8997_regmap_muic_config); + if (IS_ERR(max8997->regmap_muic)) { + ret = PTR_ERR(max8997->regmap_muic); + dev_err(max8997->dev, + "failed to allocate register map: %d\n", ret); + goto err_regmap; + } + pm_runtime_set_active(max8997->dev); max8997_irq_init(max8997); @@ -254,6 +238,7 @@ static int max8997_i2c_probe(struct i2c_client *i2c, err_mfd: mfd_remove_devices(max8997->dev); +err_regmap: i2c_unregister_device(max8997->muic); err_i2c_muic: i2c_unregister_device(max8997->haptic); @@ -441,15 +426,15 @@ static int max8997_freeze(struct device *dev) int i; for (i = 0; i < ARRAY_SIZE(max8997_dumpaddr_pmic); i++) - max8997_read_reg(i2c, max8997_dumpaddr_pmic[i], + regmap_read(max8997->regmap, max8997_dumpaddr_pmic[i], &max8997->reg_dump[i]); for (i = 0; i < ARRAY_SIZE(max8997_dumpaddr_muic); i++) - max8997_read_reg(i2c, max8997_dumpaddr_muic[i], + regmap_read(max8997->regmap_muic, max8997_dumpaddr_muic[i], &max8997->reg_dump[i + MAX8997_REG_PMIC_END]); for (i = 0; i < ARRAY_SIZE(max8997_dumpaddr_haptic); i++) - max8997_read_reg(i2c, max8997_dumpaddr_haptic[i], + regmap_read(max8997->regmap_haptic, max8997_dumpaddr_haptic[i], &max8997->reg_dump[i + MAX8997_REG_PMIC_END + MAX8997_MUIC_REG_END]); @@ -463,15 +448,15 @@ static int max8997_restore(struct device *dev) int i; for (i = 0; i < ARRAY_SIZE(max8997_dumpaddr_pmic); i++) - max8997_write_reg(i2c, max8997_dumpaddr_pmic[i], + regmap_write(max8997->regmap, max8997_dumpaddr_pmic[i], max8997->reg_dump[i]); for (i = 0; i < ARRAY_SIZE(max8997_dumpaddr_muic); i++) - max8997_write_reg(i2c, max8997_dumpaddr_muic[i], + regmap_write(max8997->regmap_muic, max8997_dumpaddr_muic[i], max8997->reg_dump[i + MAX8997_REG_PMIC_END]); for (i = 0; i < ARRAY_SIZE(max8997_dumpaddr_haptic); i++) - max8997_write_reg(i2c, max8997_dumpaddr_haptic[i], + regmap_write(max8997->regmap_haptic, max8997_dumpaddr_haptic[i], max8997->reg_dump[i + MAX8997_REG_PMIC_END + MAX8997_MUIC_REG_END]); diff --git a/drivers/power/max8997_charger.c b/drivers/power/max8997_charger.c index 4bdedfe..43d8481 100644 --- a/drivers/power/max8997_charger.c +++ b/drivers/power/max8997_charger.c @@ -26,6 +26,7 @@ #include #include #include +#include struct charger_data { struct device *dev; @@ -46,14 +47,14 @@ static int max8997_battery_get_property(struct power_supply *psy, { struct charger_data *charger = container_of(psy, struct charger_data, battery); - struct i2c_client *i2c = charger->iodev->i2c; int ret; - u8 reg; + unsigned int reg; switch (psp) { case POWER_SUPPLY_PROP_STATUS: val->intval = 0; - ret = max8997_read_reg(i2c, MAX8997_REG_STATUS4, ®); + ret = regmap_read(charger->iodev->regmap, + MAX8997_REG_STATUS4, ®); if (ret) return ret; if ((reg & (1 << 0)) == 0x1) @@ -62,7 +63,8 @@ static int max8997_battery_get_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_PRESENT: val->intval = 0; - ret = max8997_read_reg(i2c, MAX8997_REG_STATUS4, ®); + ret = regmap_read(charger->iodev->regmap, + MAX8997_REG_STATUS4, ®); if (ret) return ret; if ((reg & (1 << 2)) == 0x0) @@ -71,7 +73,8 @@ static int max8997_battery_get_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_ONLINE: val->intval = 0; - ret = max8997_read_reg(i2c, MAX8997_REG_STATUS4, ®); + ret = regmap_read(charger->iodev->regmap, + MAX8997_REG_STATUS4, ®); if (ret) return ret; /* DCINOK */ @@ -103,8 +106,8 @@ static int max8997_battery_probe(struct platform_device *pdev) if (val > 0xf) val = 0xf; - ret = max8997_update_reg(iodev->i2c, - MAX8997_REG_MBCCTRL5, val, 0xf); + ret = regmap_update_bits(iodev->regmap, + MAX8997_REG_MBCCTRL5, 0xf, val); if (ret < 0) { dev_err(&pdev->dev, "Cannot use i2c bus.\n"); return ret; @@ -113,20 +116,20 @@ static int max8997_battery_probe(struct platform_device *pdev) switch (pdata->timeout) { case 5: - ret = max8997_update_reg(iodev->i2c, MAX8997_REG_MBCCTRL1, - 0x2 << 4, 0x7 << 4); + ret = regmap_update_bits(iodev->regmap, + MAX8997_REG_MBCCTRL1, 0x7 << 4, 0x2 << 4); break; case 6: - ret = max8997_update_reg(iodev->i2c, MAX8997_REG_MBCCTRL1, - 0x3 << 4, 0x7 << 4); + ret = regmap_update_bits(iodev->regmap, + MAX8997_REG_MBCCTRL1, 0x7 << 4, 0x3 << 4); break; case 7: - ret = max8997_update_reg(iodev->i2c, MAX8997_REG_MBCCTRL1, - 0x4 << 4, 0x7 << 4); + ret = regmap_update_bits(iodev->regmap, + MAX8997_REG_MBCCTRL1, 0x7 << 4, 0x4 << 4); break; case 0: - ret = max8997_update_reg(iodev->i2c, MAX8997_REG_MBCCTRL1, - 0x7 << 4, 0x7 << 4); + ret = regmap_update_bits(iodev->regmap, + MAX8997_REG_MBCCTRL1, 0x7 << 4, 0x7 << 4); break; default: dev_err(&pdev->dev, "incorrect timeout value (%d)\n", diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c index 90b4c53..0004480 100644 --- a/drivers/regulator/max8997.c +++ b/drivers/regulator/max8997.c @@ -33,6 +33,7 @@ #include #include #include +#include struct max8997_data { struct device *dev; @@ -50,7 +51,7 @@ struct max8997_data { int buck125_gpioindex; bool ignore_gpiodvs_side_effect; - u8 saved_states[MAX8997_REG_MAX]; + unsigned int saved_states[MAX8997_REG_MAX]; }; static const unsigned int safeoutvolt[] = { @@ -257,15 +258,14 @@ static int max8997_get_enable_register(struct regulator_dev *rdev, static int max8997_reg_is_enabled(struct regulator_dev *rdev) { struct max8997_data *max8997 = rdev_get_drvdata(rdev); - struct i2c_client *i2c = max8997->iodev->i2c; int ret, reg, mask, pattern; - u8 val; + unsigned int val; ret = max8997_get_enable_register(rdev, ®, &mask, &pattern); if (ret) return ret; - ret = max8997_read_reg(i2c, reg, &val); + ret = regmap_read(max8997->iodev->regmap, reg, &val); if (ret) return ret; @@ -275,27 +275,25 @@ static int max8997_reg_is_enabled(struct regulator_dev *rdev) static int max8997_reg_enable(struct regulator_dev *rdev) { struct max8997_data *max8997 = rdev_get_drvdata(rdev); - struct i2c_client *i2c = max8997->iodev->i2c; int ret, reg, mask, pattern; ret = max8997_get_enable_register(rdev, ®, &mask, &pattern); if (ret) return ret; - return max8997_update_reg(i2c, reg, pattern, mask); + return regmap_update_bits(max8997->iodev->regmap, reg, mask, pattern); } static int max8997_reg_disable(struct regulator_dev *rdev) { struct max8997_data *max8997 = rdev_get_drvdata(rdev); - struct i2c_client *i2c = max8997->iodev->i2c; int ret, reg, mask, pattern; ret = max8997_get_enable_register(rdev, ®, &mask, &pattern); if (ret) return ret; - return max8997_update_reg(i2c, reg, ~pattern, mask); + return regmap_update_bits(max8997->iodev->regmap, reg, mask, ~pattern); } static int max8997_get_voltage_register(struct regulator_dev *rdev, @@ -367,15 +365,14 @@ static int max8997_get_voltage_register(struct regulator_dev *rdev, static int max8997_get_voltage_sel(struct regulator_dev *rdev) { struct max8997_data *max8997 = rdev_get_drvdata(rdev); - struct i2c_client *i2c = max8997->iodev->i2c; int reg, shift, mask, ret; - u8 val; + unsigned int val; ret = max8997_get_voltage_register(rdev, ®, &shift, &mask); if (ret) return ret; - ret = max8997_read_reg(i2c, reg, &val); + ret = regmap_read(max8997->iodev->regmap, reg, &val); if (ret) return ret; @@ -412,7 +409,6 @@ static int max8997_set_voltage_charger_cv(struct regulator_dev *rdev, int min_uV, int max_uV, unsigned *selector) { struct max8997_data *max8997 = rdev_get_drvdata(rdev); - struct i2c_client *i2c = max8997->iodev->i2c; int rid = rdev_get_id(rdev); int lb, ub; int reg, shift = 0, mask, ret = 0; @@ -454,7 +450,8 @@ static int max8997_set_voltage_charger_cv(struct regulator_dev *rdev, *selector = val; - ret = max8997_update_reg(i2c, reg, val << shift, mask); + ret = regmap_update_bits(max8997->iodev->regmap, + reg, mask, val << shift); return ret; } @@ -467,7 +464,6 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev, int min_uV, int max_uV, unsigned *selector) { struct max8997_data *max8997 = rdev_get_drvdata(rdev); - struct i2c_client *i2c = max8997->iodev->i2c; const struct voltage_map_desc *desc; int rid = rdev_get_id(rdev); int i, reg, shift, mask, ret; @@ -499,7 +495,8 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev, if (ret) return ret; - ret = max8997_update_reg(i2c, reg, i << shift, mask << shift); + ret = regmap_update_bits(max8997->iodev->regmap, + reg, mask << shift, i << shift); *selector = i; return ret; @@ -709,7 +706,6 @@ static int max8997_set_voltage_safeout_sel(struct regulator_dev *rdev, unsigned selector) { struct max8997_data *max8997 = rdev_get_drvdata(rdev); - struct i2c_client *i2c = max8997->iodev->i2c; int rid = rdev_get_id(rdev); int reg, shift = 0, mask, ret; @@ -720,13 +716,13 @@ static int max8997_set_voltage_safeout_sel(struct regulator_dev *rdev, if (ret) return ret; - return max8997_update_reg(i2c, reg, selector << shift, mask << shift); + return regmap_update_bits(max8997->iodev->regmap, + reg, mask << shift, selector << shift); } static int max8997_reg_disable_suspend(struct regulator_dev *rdev) { struct max8997_data *max8997 = rdev_get_drvdata(rdev); - struct i2c_client *i2c = max8997->iodev->i2c; int ret, reg, mask, pattern; int rid = rdev_get_id(rdev); @@ -734,20 +730,22 @@ static int max8997_reg_disable_suspend(struct regulator_dev *rdev) if (ret) return ret; - max8997_read_reg(i2c, reg, &max8997->saved_states[rid]); + regmap_read(max8997->iodev->regmap, + reg, &max8997->saved_states[rid]); if (rid == MAX8997_LDO1 || rid == MAX8997_LDO10 || rid == MAX8997_LDO21) { dev_dbg(&rdev->dev, "Conditional Power-Off for %s\n", rdev->desc->name); - return max8997_update_reg(i2c, reg, 0x40, mask); + return regmap_update_bits(max8997->iodev->regmap, + reg, mask, 0x40); } dev_dbg(&rdev->dev, "Full Power-Off for %s (%xh -> %xh)\n", rdev->desc->name, max8997->saved_states[rid] & mask, (~pattern) & mask); - return max8997_update_reg(i2c, reg, ~pattern, mask); + return regmap_update_bits(max8997->iodev->regmap, reg, mask, ~pattern); } static struct regulator_ops max8997_ldo_ops = { @@ -1030,7 +1028,6 @@ static int max8997_pmic_probe(struct platform_device *pdev) struct regulator_config config = { }; struct regulator_dev *rdev; struct max8997_data *max8997; - struct i2c_client *i2c; int i, ret, nr_dvs; u8 max_buck1 = 0, max_buck2 = 0, max_buck5 = 0; @@ -1054,7 +1051,6 @@ static int max8997_pmic_probe(struct platform_device *pdev) max8997->iodev = iodev; max8997->num_regulators = pdata->num_regulators; platform_set_drvdata(pdev, max8997); - i2c = max8997->iodev->i2c; max8997->buck125_gpioindex = pdata->buck125_default_idx; max8997->buck1_gpiodvs = pdata->buck1_gpiodvs; @@ -1104,25 +1100,25 @@ static int max8997_pmic_probe(struct platform_device *pdev) /* For the safety, set max voltage before setting up */ for (i = 0; i < 8; i++) { - max8997_update_reg(i2c, MAX8997_REG_BUCK1DVS1 + i, - max_buck1, 0x3f); - max8997_update_reg(i2c, MAX8997_REG_BUCK2DVS1 + i, - max_buck2, 0x3f); - max8997_update_reg(i2c, MAX8997_REG_BUCK5DVS1 + i, - max_buck5, 0x3f); + regmap_update_bits(max8997->iodev->regmap, + MAX8997_REG_BUCK1DVS1 + i, 0x3f, max_buck1); + regmap_update_bits(max8997->iodev->regmap, + MAX8997_REG_BUCK2DVS1 + i, 0x3f, max_buck2); + regmap_update_bits(max8997->iodev->regmap, + MAX8997_REG_BUCK5DVS1 + i, 0x3f, max_buck5); } /* Initialize all the DVS related BUCK registers */ for (i = 0; i < nr_dvs; i++) { - max8997_update_reg(i2c, MAX8997_REG_BUCK1DVS1 + i, - max8997->buck1_vol[i], - 0x3f); - max8997_update_reg(i2c, MAX8997_REG_BUCK2DVS1 + i, - max8997->buck2_vol[i], - 0x3f); - max8997_update_reg(i2c, MAX8997_REG_BUCK5DVS1 + i, - max8997->buck5_vol[i], - 0x3f); + regmap_update_bits(max8997->iodev->regmap, + MAX8997_REG_BUCK1DVS1 + i, + 0x3f, max8997->buck1_vol[i]); + regmap_update_bits(max8997->iodev->regmap, + MAX8997_REG_BUCK2DVS1 + i, + 0x3f, max8997->buck2_vol[i]); + regmap_update_bits(max8997->iodev->regmap, + MAX8997_REG_BUCK5DVS1 + i, + 0x3f, max8997->buck5_vol[i]); } /* @@ -1166,16 +1162,17 @@ static int max8997_pmic_probe(struct platform_device *pdev) } /* DVS-GPIO disabled */ - max8997_update_reg(i2c, MAX8997_REG_BUCK1CTRL, (pdata->buck1_gpiodvs) ? - (1 << 1) : (0 << 1), 1 << 1); - max8997_update_reg(i2c, MAX8997_REG_BUCK2CTRL, (pdata->buck2_gpiodvs) ? - (1 << 1) : (0 << 1), 1 << 1); - max8997_update_reg(i2c, MAX8997_REG_BUCK5CTRL, (pdata->buck5_gpiodvs) ? - (1 << 1) : (0 << 1), 1 << 1); + regmap_update_bits(max8997->iodev->regmap, MAX8997_REG_BUCK1CTRL, + 1 << 1, (pdata->buck1_gpiodvs) ? (1 << 1) : (0 << 1)); + regmap_update_bits(max8997->iodev->regmap, MAX8997_REG_BUCK2CTRL, + 1 << 1, (pdata->buck2_gpiodvs) ? (1 << 1) : (0 << 1)); + regmap_update_bits(max8997->iodev->regmap, MAX8997_REG_BUCK5CTRL, + 1 << 1, (pdata->buck5_gpiodvs) ? (1 << 1) : (0 << 1)); /* Misc Settings */ max8997->ramp_delay = 10; /* set 10mV/us, which is the default */ - max8997_write_reg(i2c, MAX8997_REG_BUCKRAMP, (0xf << 4) | 0x9); + regmap_write(max8997->iodev->regmap, + MAX8997_REG_BUCKRAMP, (0xf << 4) | 0x9); for (i = 0; i < pdata->num_regulators; i++) { const struct voltage_map_desc *desc; diff --git a/drivers/rtc/rtc-max8997.c b/drivers/rtc/rtc-max8997.c index 0777c01..b866f7d5 100644 --- a/drivers/rtc/rtc-max8997.c +++ b/drivers/rtc/rtc-max8997.c @@ -20,6 +20,7 @@ #include #include #include +#include /* Module parameter for WTSR function control */ static int wtsr_en = 1; @@ -68,7 +69,6 @@ enum { struct max8997_rtc_info { struct device *dev; struct max8997_dev *max8997; - struct i2c_client *rtc; struct rtc_device *rtc_dev; struct mutex lock; int virq; @@ -118,8 +118,8 @@ static inline int max8997_rtc_set_update_reg(struct max8997_rtc_info *info) { int ret; - ret = max8997_write_reg(info->rtc, MAX8997_RTC_UPDATE1, - RTC_UDR_MASK); + ret = regmap_write(info->max8997->regmap_rtc, + MAX8997_RTC_UPDATE1, RTC_UDR_MASK); if (ret < 0) dev_err(info->dev, "%s: fail to write update reg(%d)\n", __func__, ret); @@ -140,7 +140,8 @@ static int max8997_rtc_read_time(struct device *dev, struct rtc_time *tm) int ret; mutex_lock(&info->lock); - ret = max8997_bulk_read(info->rtc, MAX8997_RTC_SEC, RTC_NR_TIME, data); + ret = regmap_bulk_read(info->max8997->regmap_rtc, + MAX8997_RTC_SEC, data, RTC_NR_TIME); mutex_unlock(&info->lock); if (ret < 0) { @@ -166,7 +167,8 @@ static int max8997_rtc_set_time(struct device *dev, struct rtc_time *tm) mutex_lock(&info->lock); - ret = max8997_bulk_write(info->rtc, MAX8997_RTC_SEC, RTC_NR_TIME, data); + ret = regmap_bulk_write(info->max8997->regmap_rtc, + MAX8997_RTC_SEC, data, RTC_NR_TIME); if (ret < 0) { dev_err(info->dev, "%s: fail to write time reg(%d)\n", __func__, ret); @@ -183,13 +185,13 @@ static int max8997_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) { struct max8997_rtc_info *info = dev_get_drvdata(dev); u8 data[RTC_NR_TIME]; - u8 val; + unsigned int val; int i, ret; mutex_lock(&info->lock); - ret = max8997_bulk_read(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME, - data); + ret = regmap_bulk_read(info->max8997->regmap_rtc, + MAX8997_RTC_ALARM1_SEC, data, RTC_NR_TIME); if (ret < 0) { dev_err(info->dev, "%s:%d fail to read alarm reg(%d)\n", __func__, __LINE__, ret); @@ -207,7 +209,8 @@ static int max8997_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) } alrm->pending = 0; - ret = max8997_read_reg(info->max8997->i2c, MAX8997_REG_STATUS1, &val); + ret = regmap_read(info->max8997->regmap_rtc, + MAX8997_REG_STATUS1, &val); if (ret < 0) { dev_err(info->dev, "%s:%d fail to read status1 reg(%d)\n", __func__, __LINE__, ret); @@ -230,8 +233,8 @@ static int max8997_rtc_stop_alarm(struct max8997_rtc_info *info) if (!mutex_is_locked(&info->lock)) dev_warn(info->dev, "%s: should have mutex locked\n", __func__); - ret = max8997_bulk_read(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME, - data); + ret = regmap_bulk_read(info->max8997->regmap_rtc, + MAX8997_RTC_ALARM1_SEC, data, RTC_NR_TIME); if (ret < 0) { dev_err(info->dev, "%s: fail to read alarm reg(%d)\n", __func__, ret); @@ -241,8 +244,8 @@ static int max8997_rtc_stop_alarm(struct max8997_rtc_info *info) for (i = 0; i < RTC_NR_TIME; i++) data[i] &= ~ALARM_ENABLE_MASK; - ret = max8997_bulk_write(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME, - data); + ret = regmap_bulk_write(info->max8997->regmap_rtc, + MAX8997_RTC_ALARM1_SEC, data, RTC_NR_TIME); if (ret < 0) { dev_err(info->dev, "%s: fail to write alarm reg(%d)\n", __func__, ret); @@ -262,8 +265,8 @@ static int max8997_rtc_start_alarm(struct max8997_rtc_info *info) if (!mutex_is_locked(&info->lock)) dev_warn(info->dev, "%s: should have mutex locked\n", __func__); - ret = max8997_bulk_read(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME, - data); + ret = regmap_bulk_read(info->max8997->regmap_rtc, + MAX8997_RTC_ALARM1_SEC, data, RTC_NR_TIME); if (ret < 0) { dev_err(info->dev, "%s: fail to read alarm reg(%d)\n", __func__, ret); @@ -281,8 +284,8 @@ static int max8997_rtc_start_alarm(struct max8997_rtc_info *info) if (data[RTC_DATE] & 0x1f) data[RTC_DATE] |= (1 << ALARM_ENABLE_SHIFT); - ret = max8997_bulk_write(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME, - data); + ret = regmap_bulk_write(info->max8997->regmap_rtc, + MAX8997_RTC_ALARM1_SEC, data, RTC_NR_TIME); if (ret < 0) { dev_err(info->dev, "%s: fail to write alarm reg(%d)\n", __func__, ret); @@ -313,8 +316,8 @@ static int max8997_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) if (ret < 0) goto out; - ret = max8997_bulk_write(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME, - data); + ret = regmap_bulk_write(info->max8997->regmap_rtc, + MAX8997_RTC_ALARM1_SEC, data, RTC_NR_TIME); if (ret < 0) { dev_err(info->dev, "%s: fail to write alarm reg(%d)\n", __func__, ret); @@ -385,7 +388,8 @@ static void max8997_rtc_enable_wtsr(struct max8997_rtc_info *info, bool enable) dev_info(info->dev, "%s: %s WTSR\n", __func__, enable ? "enable" : "disable"); - ret = max8997_update_reg(info->rtc, MAX8997_RTC_WTSR_SMPL, val, mask); + ret = regmap_update_bits(info->max8997->regmap_rtc, + MAX8997_RTC_WTSR_SMPL, mask, val); if (ret < 0) { dev_err(info->dev, "%s: fail to update WTSR reg(%d)\n", __func__, ret); @@ -398,7 +402,7 @@ static void max8997_rtc_enable_wtsr(struct max8997_rtc_info *info, bool enable) static void max8997_rtc_enable_smpl(struct max8997_rtc_info *info, bool enable) { int ret; - u8 val, mask; + unsigned int val, mask; if (!smpl_en) return; @@ -413,7 +417,8 @@ static void max8997_rtc_enable_smpl(struct max8997_rtc_info *info, bool enable) dev_info(info->dev, "%s: %s SMPL\n", __func__, enable ? "enable" : "disable"); - ret = max8997_update_reg(info->rtc, MAX8997_RTC_WTSR_SMPL, val, mask); + ret = regmap_update_bits(info->max8997->regmap_rtc, + MAX8997_RTC_WTSR_SMPL, mask, val); if (ret < 0) { dev_err(info->dev, "%s: fail to update SMPL reg(%d)\n", __func__, ret); @@ -423,7 +428,8 @@ static void max8997_rtc_enable_smpl(struct max8997_rtc_info *info, bool enable) max8997_rtc_set_update_reg(info); val = 0; - max8997_read_reg(info->rtc, MAX8997_RTC_WTSR_SMPL, &val); + regmap_read(info->max8997->regmap_rtc, + MAX8997_RTC_WTSR_SMPL, &val); pr_info("%s: WTSR_SMPL(0x%02x)\n", __func__, val); } @@ -438,7 +444,8 @@ static int max8997_rtc_init_reg(struct max8997_rtc_info *info) info->rtc_24hr_mode = 1; - ret = max8997_bulk_write(info->rtc, MAX8997_RTC_CTRLMASK, 2, data); + ret = regmap_bulk_write(info->max8997->regmap_rtc, + MAX8997_RTC_CTRLMASK, data, 2); if (ret < 0) { dev_err(info->dev, "%s: fail to write controlm reg(%d)\n", __func__, ret); @@ -463,7 +470,6 @@ static int max8997_rtc_probe(struct platform_device *pdev) mutex_init(&info->lock); info->dev = &pdev->dev; info->max8997 = max8997; - info->rtc = max8997->rtc; platform_set_drvdata(pdev, info); diff --git a/include/linux/mfd/max8997-private.h b/include/linux/mfd/max8997-private.h index 78c76cd..ea80ef8 100644 --- a/include/linux/mfd/max8997-private.h +++ b/include/linux/mfd/max8997-private.h @@ -309,6 +309,8 @@ enum max8997_rtc_reg { MAX8997_RTC_ALARM2_MONTH = 0x22, MAX8997_RTC_ALARM2_YEAR = 0x23, MAX8997_RTC_ALARM2_DAY_OF_MONTH = 0x24, + + MAX8997_RTC_REG_END = 0x25, }; enum max8997_irq_source { @@ -390,6 +392,11 @@ struct max8997_dev { unsigned long type; struct platform_device *battery; /* battery control (not fuel gauge) */ + struct regmap *regmap; + struct regmap *regmap_rtc; + struct regmap *regmap_haptic; + struct regmap *regmap_muic; + int irq; int ono; struct irq_domain *irq_domain; @@ -398,7 +405,7 @@ struct max8997_dev { int irq_masks_cache[MAX8997_IRQ_GROUP_NR]; /* For hibernation */ - u8 reg_dump[MAX8997_REG_PMIC_END + MAX8997_MUIC_REG_END + + unsigned int reg_dump[MAX8997_REG_PMIC_END + MAX8997_MUIC_REG_END + MAX8997_HAPTIC_REG_END]; bool gpio_status[MAX8997_NUM_GPIO]; @@ -413,14 +420,6 @@ extern int max8997_irq_init(struct max8997_dev *max8997); extern void max8997_irq_exit(struct max8997_dev *max8997); extern int max8997_irq_resume(struct max8997_dev *max8997); -extern int max8997_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest); -extern int max8997_bulk_read(struct i2c_client *i2c, u8 reg, int count, - u8 *buf); -extern int max8997_write_reg(struct i2c_client *i2c, u8 reg, u8 value); -extern int max8997_bulk_write(struct i2c_client *i2c, u8 reg, int count, - u8 *buf); -extern int max8997_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask); - #define MAX8997_GPIO_INT_BOTH (0x3 << 4) #define MAX8997_GPIO_INT_RISE (0x2 << 4) #define MAX8997_GPIO_INT_FALL (0x1 << 4)