Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754754Ab2HEQdI (ORCPT ); Sun, 5 Aug 2012 12:33:08 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:45546 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754476Ab2HEQdD (ORCPT ); Sun, 5 Aug 2012 12:33:03 -0400 From: Haojian Zhuang To: sameo@linux.intel.com, broonie@opensource.wolfsonmicro.com, rpurdie@rpsys.net, bryan.wu@canonical.com, linux-kernel@vger.kernel.org Cc: Haojian Zhuang Subject: [PATCH 2/5] mfd: use IORESOUCE_MEM in 88pm860x leds driver Date: Mon, 6 Aug 2012 00:32:50 +0800 Message-Id: <1344184373-9670-3-git-send-email-haojian.zhuang@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1344184373-9670-1-git-send-email-haojian.zhuang@gmail.com> References: <1344184373-9670-1-git-send-email-haojian.zhuang@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 12746 Lines: 456 Avoid to use IORESOURCE_IO in 88pm860x leds drivers. Use IORESOURCE_MEM instead. Signed-off-by: Haojian Zhuang --- drivers/leds/leds-88pm860x.c | 176 +++++++++++++++++------------------------- drivers/mfd/88pm860x-core.c | 114 +++++++++++++++++---------- include/linux/mfd/88pm860x.h | 12 --- 3 files changed, 143 insertions(+), 159 deletions(-) diff --git a/drivers/leds/leds-88pm860x.c b/drivers/leds/leds-88pm860x.c index 61897cf..701d006 100644 --- a/drivers/leds/leds-88pm860x.c +++ b/drivers/leds/leds-88pm860x.c @@ -20,18 +20,12 @@ #include #include -#define LED_PWM_SHIFT (3) #define LED_PWM_MASK (0x1F) #define LED_CURRENT_MASK (0x07 << 5) -#define LED_BLINK_ON_MASK (0x07) #define LED_BLINK_MASK (0x7F) -#define LED_BLINK_ON(x) ((x & 0x7) * 66 + 66) -#define LED_BLINK_ON_MIN LED_BLINK_ON(0) -#define LED_BLINK_ON_MAX LED_BLINK_ON(0x7) #define LED_ON_CONTINUOUS (0x0F << 3) -#define LED_TO_ON(x) ((x - 66) / 66) #define LED1_BLINK_EN (1 << 1) #define LED2_BLINK_EN (1 << 2) @@ -49,85 +43,25 @@ struct pm860x_led { unsigned char brightness; unsigned char current_brightness; - int blink_data; - int blink_time; - int blink_on; - int blink_off; + int reg_control; + int reg_blink; + int blink_mask; }; -/* return offset of color register */ -static inline int __led_off(int port) -{ - int ret = -EINVAL; - - switch (port) { - case PM8606_LED1_RED: - case PM8606_LED1_GREEN: - case PM8606_LED1_BLUE: - ret = port - PM8606_LED1_RED + PM8606_RGB1B; - break; - case PM8606_LED2_RED: - case PM8606_LED2_GREEN: - case PM8606_LED2_BLUE: - ret = port - PM8606_LED2_RED + PM8606_RGB2B; - break; - } - return ret; -} - -/* return offset of blink register */ -static inline int __blink_off(int port) -{ - int ret = -EINVAL; - - switch (port) { - case PM8606_LED1_RED: - case PM8606_LED1_GREEN: - case PM8606_LED1_BLUE: - ret = PM8606_RGB1A; - break; - case PM8606_LED2_RED: - case PM8606_LED2_GREEN: - case PM8606_LED2_BLUE: - ret = PM8606_RGB2A; - break; - } - return ret; -} - -static inline int __blink_ctl_mask(int port) -{ - int ret = -EINVAL; - - switch (port) { - case PM8606_LED1_RED: - case PM8606_LED1_GREEN: - case PM8606_LED1_BLUE: - ret = LED1_BLINK_EN; - break; - case PM8606_LED2_RED: - case PM8606_LED2_GREEN: - case PM8606_LED2_BLUE: - ret = LED2_BLINK_EN; - break; - } - return ret; -} - static int led_power_set(struct pm860x_chip *chip, int port, int on) { int ret = -EINVAL; switch (port) { - case PM8606_LED1_RED: - case PM8606_LED1_GREEN: - case PM8606_LED1_BLUE: + case 0: + case 1: + case 2: ret = on ? pm8606_osc_enable(chip, RGB1_ENABLE) : pm8606_osc_disable(chip, RGB1_ENABLE); break; - case PM8606_LED2_RED: - case PM8606_LED2_GREEN: - case PM8606_LED2_BLUE: + case 3: + case 4: + case 5: ret = on ? pm8606_osc_enable(chip, RGB2_ENABLE) : pm8606_osc_disable(chip, RGB2_ENABLE); break; @@ -141,7 +75,7 @@ static void pm860x_led_work(struct work_struct *work) struct pm860x_led *led; struct pm860x_chip *chip; unsigned char buf[3]; - int mask, ret; + int ret; led = container_of(work, struct pm860x_led, work); chip = led->chip; @@ -149,34 +83,34 @@ static void pm860x_led_work(struct work_struct *work) if ((led->current_brightness == 0) && led->brightness) { led_power_set(chip, led->port, 1); if (led->iset) { - pm860x_set_bits(led->i2c, __led_off(led->port), + pm860x_set_bits(led->i2c, led->reg_control, LED_CURRENT_MASK, led->iset); } - pm860x_set_bits(led->i2c, __blink_off(led->port), + pm860x_set_bits(led->i2c, led->reg_blink, LED_BLINK_MASK, LED_ON_CONTINUOUS); - mask = __blink_ctl_mask(led->port); - pm860x_set_bits(led->i2c, PM8606_WLED3B, mask, mask); + pm860x_set_bits(led->i2c, PM8606_WLED3B, led->blink_mask, + led->blink_mask); } - pm860x_set_bits(led->i2c, __led_off(led->port), LED_PWM_MASK, + pm860x_set_bits(led->i2c, led->reg_control, LED_PWM_MASK, led->brightness); if (led->brightness == 0) { - pm860x_bulk_read(led->i2c, __led_off(led->port), 3, buf); + pm860x_bulk_read(led->i2c, led->reg_control, 3, buf); ret = buf[0] & LED_PWM_MASK; ret |= buf[1] & LED_PWM_MASK; ret |= buf[2] & LED_PWM_MASK; if (ret == 0) { /* unset current since no led is lighting */ - pm860x_set_bits(led->i2c, __led_off(led->port), + pm860x_set_bits(led->i2c, led->reg_control, LED_CURRENT_MASK, 0); - mask = __blink_ctl_mask(led->port); - pm860x_set_bits(led->i2c, PM8606_WLED3B, mask, 0); + pm860x_set_bits(led->i2c, PM8606_WLED3B, + led->blink_mask, 0); led_power_set(chip, led->port, 0); } } led->current_brightness = led->brightness; dev_dbg(chip->dev, "Update LED. (reg:%d, brightness:%d)\n", - __led_off(led->port), led->brightness); + led->reg_control, led->brightness); mutex_unlock(&led->lock); } @@ -192,36 +126,61 @@ static void pm860x_led_set(struct led_classdev *cdev, static int pm860x_led_probe(struct platform_device *pdev) { struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent); - struct pm860x_led_pdata *pdata; + struct pm860x_led_pdata *pdata = pdev->dev.platform_data; struct pm860x_led *data; struct resource *res; - int ret; - - res = platform_get_resource(pdev, IORESOURCE_IO, 0); - if (res == NULL) { - dev_err(&pdev->dev, "No I/O resource!\n"); - return -EINVAL; - } - - pdata = pdev->dev.platform_data; - if (pdata == NULL) { - dev_err(&pdev->dev, "No platform data!\n"); - return -EINVAL; - } + int ret = 0; data = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_led), GFP_KERNEL); if (data == NULL) return -ENOMEM; - strncpy(data->name, res->name, MFD_NAME_SIZE - 1); + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "control"); + if (!res) { + dev_err(&pdev->dev, "No memory resource for control\n"); + ret = -ENXIO; + goto out; + } + data->reg_control = res->start; + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "blink"); + if (!res) { + dev_err(&pdev->dev, "No memory resource for blink\n"); + ret = -ENXIO; + goto out; + } + data->reg_blink = res->start; + memset(data->name, 0, MFD_NAME_SIZE); + switch (pdev->id) { + case 0: + data->blink_mask = LED1_BLINK_EN; + sprintf(data->name, "led0-red"); + break; + case 1: + data->blink_mask = LED1_BLINK_EN; + sprintf(data->name, "led0-green"); + break; + case 2: + data->blink_mask = LED1_BLINK_EN; + sprintf(data->name, "led0-blue"); + break; + case 3: + data->blink_mask = LED2_BLINK_EN; + sprintf(data->name, "led1-red"); + break; + case 4: + data->blink_mask = LED2_BLINK_EN; + sprintf(data->name, "led1-green"); + break; + case 5: + data->blink_mask = LED2_BLINK_EN; + sprintf(data->name, "led1-blue"); + break; + } dev_set_drvdata(&pdev->dev, data); data->chip = chip; data->i2c = (chip->id == CHIP_PM8606) ? chip->client : chip->companion; - data->iset = pdata->iset; - data->port = pdata->flags; - if (data->port < 0) { - dev_err(&pdev->dev, "check device failed\n"); - return -EINVAL; - } + data->port = pdev->id; + if (pdata && pdata->iset) + data->iset = pdata->iset; data->current_brightness = 0; data->cdev.name = data->name; @@ -236,6 +195,9 @@ static int pm860x_led_probe(struct platform_device *pdev) } pm860x_led_set(&data->cdev, 0); return 0; +out: + devm_kfree(&pdev->dev, data); + return ret; } static int pm860x_led_remove(struct platform_device *pdev) diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c index ee2445c..2934ea3 100644 --- a/drivers/mfd/88pm860x-core.c +++ b/drivers/mfd/88pm860x-core.c @@ -37,13 +37,35 @@ static struct resource bk2_resources[] __devinitdata = { {5, 5, "current", IORESOURCE_MEM, }, }; -static struct resource led_resources[] __devinitdata = { - {PM8606_LED1_RED, PM8606_LED1_RED, "led0-red", IORESOURCE_IO,}, - {PM8606_LED1_GREEN, PM8606_LED1_GREEN, "led0-green", IORESOURCE_IO,}, - {PM8606_LED1_BLUE, PM8606_LED1_BLUE, "led0-blue", IORESOURCE_IO,}, - {PM8606_LED2_RED, PM8606_LED2_RED, "led1-red", IORESOURCE_IO,}, - {PM8606_LED2_GREEN, PM8606_LED2_GREEN, "led1-green", IORESOURCE_IO,}, - {PM8606_LED2_BLUE, PM8606_LED2_BLUE, "led1-blue", IORESOURCE_IO,}, +static struct resource led0_resources[] __devinitdata = { + /* RGB1 Red LED */ + {0xd, 0xd, "control", IORESOURCE_MEM, }, + {0xc, 0xc, "blink", IORESOURCE_MEM, }, +}; +static struct resource led1_resources[] __devinitdata = { + /* RGB1 Green LED */ + {0xe, 0xe, "control", IORESOURCE_MEM, }, + {0xc, 0xc, "blink", IORESOURCE_MEM, }, +}; +static struct resource led2_resources[] __devinitdata = { + /* RGB1 Blue LED */ + {0xf, 0xf, "control", IORESOURCE_MEM, }, + {0xc, 0xc, "blink", IORESOURCE_MEM, }, +}; +static struct resource led3_resources[] __devinitdata = { + /* RGB2 Red LED */ + {0x9, 0x9, "control", IORESOURCE_MEM, }, + {0x8, 0x8, "blink", IORESOURCE_MEM, }, +}; +static struct resource led4_resources[] __devinitdata = { + /* RGB2 Green LED */ + {0xa, 0xa, "control", IORESOURCE_MEM, }, + {0x8, 0x8, "blink", IORESOURCE_MEM, }, +}; +static struct resource led5_resources[] __devinitdata = { + /* RGB2 Blue LED */ + {0xb, 0xb, "control", IORESOURCE_MEM, }, + {0x8, 0x8, "blink", IORESOURCE_MEM, }, }; static struct resource regulator_resources[] __devinitdata = { @@ -128,12 +150,37 @@ static struct mfd_cell bk_devs[] = { }; static struct mfd_cell led_devs[] = { - {"88pm860x-led", 0,}, - {"88pm860x-led", 1,}, - {"88pm860x-led", 2,}, - {"88pm860x-led", 3,}, - {"88pm860x-led", 4,}, - {"88pm860x-led", 5,}, + { + .name = "88pm860x-led", + .id = 0, + .num_resources = ARRAY_SIZE(led0_resources), + .resources = led0_resources, + }, { + .name = "88pm860x-led", + .id = 1, + .num_resources = ARRAY_SIZE(led1_resources), + .resources = led1_resources, + }, { + .name = "88pm860x-led", + .id = 2, + .num_resources = ARRAY_SIZE(led2_resources), + .resources = led2_resources, + }, { + .name = "88pm860x-led", + .id = 3, + .num_resources = ARRAY_SIZE(led3_resources), + .resources = led3_resources, + }, { + .name = "88pm860x-led", + .id = 4, + .num_resources = ARRAY_SIZE(led4_resources), + .resources = led4_resources, + }, { + .name = "88pm860x-led", + .id = 5, + .num_resources = ARRAY_SIZE(led5_resources), + .resources = led5_resources, + }, }; static struct mfd_cell regulator_devs[] = { @@ -658,36 +705,23 @@ static void __devinit device_bk_init(struct pm860x_chip *chip, static void __devinit device_led_init(struct pm860x_chip *chip, struct pm860x_platform_data *pdata) { - int ret; - int i, j, id; - - if ((pdata == NULL) || (pdata->led == NULL)) - return; + int ret, i; - if (pdata->num_leds > ARRAY_SIZE(led_devs)) - pdata->num_leds = ARRAY_SIZE(led_devs); - - for (i = 0; i < pdata->num_leds; i++) { - led_devs[i].platform_data = &pdata->led[i]; - led_devs[i].pdata_size = sizeof(struct pm860x_led_pdata); - - for (j = 0; j < ARRAY_SIZE(led_devs); j++) { - id = led_resources[j].start; - if (pdata->led[i].flags != id) - continue; - - led_devs[i].num_resources = 1; - led_devs[i].resources = &led_resources[j], - ret = mfd_add_devices(chip->dev, 0, - &led_devs[i], 1, - &led_resources[j], 0); - if (ret < 0) { - dev_err(chip->dev, "Failed to add " - "led subdev\n"); - return; - } + if (pdata && pdata->led) { + if (pdata->num_leds > ARRAY_SIZE(led_devs)) + pdata->num_leds = ARRAY_SIZE(led_devs); + for (i = 0; i < pdata->num_leds; i++) { + led_devs[i].platform_data = &pdata->led[i]; + led_devs[i].pdata_size = + sizeof(struct pm860x_led_pdata); } } + ret = mfd_add_devices(chip->dev, 0, led_devs, + ARRAY_SIZE(led_devs), NULL, 0); + if (ret < 0) { + dev_err(chip->dev, "Failed to add led subdev\n"); + return; + } } static void __devinit device_regulator_init(struct pm860x_chip *chip, diff --git a/include/linux/mfd/88pm860x.h b/include/linux/mfd/88pm860x.h index b7e656d..2d042f9 100644 --- a/include/linux/mfd/88pm860x.h +++ b/include/linux/mfd/88pm860x.h @@ -34,16 +34,6 @@ enum { PM8606_ID_MAX, }; -enum { - PM8606_LED1_RED = 0, - PM8606_LED1_GREEN, - PM8606_LED1_BLUE, - PM8606_LED2_RED, - PM8606_LED2_GREEN, - PM8606_LED2_BLUE, - PM8607_LED_VIBRATOR, -}; - /* 8606 Registers */ #define PM8606_DCM_BOOST (0x00) @@ -339,9 +329,7 @@ struct pm860x_backlight_pdata { }; struct pm860x_led_pdata { - int id; int iset; - unsigned long flags; }; struct pm860x_rtc_pdata { -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/