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-rw-r--r--target/linux/s3c24xx/patches-2.6.24/1291-gta03-pca9632.patch.patch650
1 files changed, 0 insertions, 650 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1291-gta03-pca9632.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1291-gta03-pca9632.patch.patch
deleted file mode 100644
index cf4df2a557..0000000000
--- a/target/linux/s3c24xx/patches-2.6.24/1291-gta03-pca9632.patch.patch
+++ /dev/null
@@ -1,650 +0,0 @@
-From f6b1f49300a24c329f5d1049031f711c6268be95 Mon Sep 17 00:00:00 2001
-From: Matt Hsu <matt_hsu@openmoko.org>
-Date: Thu, 18 Sep 2008 11:14:50 +0100
-Subject: [PATCH] gta03-pca9632.patch
-
- - pca9632 is a LED driver which will be adopted in gta03.
-
-Signed-off-by: Matt Hsu <matt_hsu@openmoko.org>
----
- drivers/i2c/chips/Kconfig | 9 +
- drivers/i2c/chips/Makefile | 1 +
- drivers/i2c/chips/pca9632.c | 551 +++++++++++++++++++++++++++++++++++++++++++
- drivers/i2c/chips/pca9632.h | 24 ++
- include/linux/i2c-id.h | 1 +
- 5 files changed, 586 insertions(+), 0 deletions(-)
- create mode 100644 drivers/i2c/chips/pca9632.c
- create mode 100644 drivers/i2c/chips/pca9632.h
-
-diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
-index 1d6d36f..9af3c62 100644
---- a/drivers/i2c/chips/Kconfig
-+++ b/drivers/i2c/chips/Kconfig
-@@ -193,4 +193,13 @@ config SENSORS_TSL256X
- This driver can also be built as a module. If so, the module
- will be called tsl256x.
-
-+config PCA9632
-+ tristate "Philips/NXP PCA9632 low power LED driver"
-+ depends on I2C
-+ help
-+ If you say yes here you get support for the Philips/NXP PCA9632
-+ LED driver.
-+
-+ This driver can also be built as a module. If so, the module
-+ will be called pca9632.
- endmenu
-diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile
-index 4b6ba04..67cd1e5 100644
---- a/drivers/i2c/chips/Makefile
-+++ b/drivers/i2c/chips/Makefile
-@@ -18,6 +18,7 @@ obj-$(CONFIG_TPS65010) += tps65010.o
- obj-$(CONFIG_MENELAUS) += menelaus.o
- obj-$(CONFIG_SENSORS_TSL2550) += tsl2550.o
- obj-$(CONFIG_SENSORS_TSL256X) += tsl256x.o
-+obj-$(CONFIG_PCA9632) += pca9632.o
-
- ifeq ($(CONFIG_I2C_DEBUG_CHIP),y)
- EXTRA_CFLAGS += -DDEBUG
-diff --git a/drivers/i2c/chips/pca9632.c b/drivers/i2c/chips/pca9632.c
-new file mode 100644
-index 0000000..deda6a1
---- /dev/null
-+++ b/drivers/i2c/chips/pca9632.c
-@@ -0,0 +1,551 @@
-+/*
-+ * Philips/NXP PCA9632 low power LED driver.
-+ * Copyright (C) 2008 Matt Hsu <matt_hsu@openmoko.org>
-+ *
-+ * low_level implementation are based on pcf50606 driver
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; version 2 of the License.
-+ *
-+ * TODO:
-+ * - attach ledclass??
-+ * - add platform data
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/init.h>
-+#include <linux/i2c.h>
-+#include <linux/platform_device.h>
-+
-+#include "pca9632.h"
-+
-+/* Addresses to scan */
-+static unsigned short normal_i2c[] = { 0x62, I2C_CLIENT_END };
-+
-+/* Insmod parameters */
-+I2C_CLIENT_INSMOD_1(pca9632);
-+
-+enum pca9632_pwr_state {
-+ PCA9632_NORMAL,
-+ PCA9632_SLEEP,
-+};
-+
-+enum pca9632_led_output {
-+ PCA9632_OFF,
-+ PCA9632_ON,
-+ PCA9632_CTRL_BY_PWM,
-+ PCA9632_CTRL_BY_PWM_GRPPWM,
-+};
-+
-+static const char *led_output_name[] = {
-+ [PCA9632_OFF] = "off",
-+ [PCA9632_ON] = "fully-on",
-+ [PCA9632_CTRL_BY_PWM] = "ctrl-by-pwm",
-+ [PCA9632_CTRL_BY_PWM_GRPPWM] = "ctrl-by-pwm-grppwm",
-+};
-+
-+struct pca9632_data {
-+ struct i2c_client client;
-+ struct mutex lock;
-+};
-+
-+static struct i2c_driver pca9632_driver;
-+static struct platform_device *pca9632_pdev;
-+
-+static int pca9632_attach_adapter(struct i2c_adapter *adapter);
-+static int pca9632_detach_client(struct i2c_client *client);
-+
-+static int __reg_write(struct pca9632_data *pca, u_int8_t reg, u_int8_t val)
-+{
-+ return i2c_smbus_write_byte_data(&pca->client, reg, val);
-+}
-+
-+static int reg_write(struct pca9632_data *pca, u_int8_t reg, u_int8_t val)
-+{
-+ int ret;
-+
-+ mutex_lock(&pca->lock);
-+ ret = __reg_write(pca, reg, val);
-+ mutex_unlock(&pca->lock);
-+
-+ return ret;
-+}
-+
-+static int32_t __reg_read(struct pca9632_data *pca, u_int8_t reg)
-+{
-+ int32_t ret;
-+
-+ ret = i2c_smbus_read_byte_data(&pca->client, reg);
-+
-+ return ret;
-+}
-+
-+static u_int8_t reg_read(struct pca9632_data *pca, u_int8_t reg)
-+{
-+ int32_t ret;
-+
-+ mutex_lock(&pca->lock);
-+ ret = __reg_read(pca, reg);
-+ mutex_unlock(&pca->lock);
-+
-+ return ret & 0xff;
-+}
-+
-+static int reg_set_bit_mask(struct pca9632_data *pca,
-+ u_int8_t reg, u_int8_t mask, u_int8_t val)
-+{
-+ int ret;
-+ u_int8_t tmp;
-+
-+ val &= mask;
-+
-+ mutex_lock(&pca->lock);
-+
-+ tmp = __reg_read(pca, reg);
-+ tmp &= ~mask;
-+ tmp |= val;
-+ ret = __reg_write(pca, reg, tmp);
-+
-+ mutex_unlock(&pca->lock);
-+
-+ return ret;
-+}
-+
-+static inline int calc_dc(uint8_t idc)
-+{
-+ return (idc * 100) / 256;
-+}
-+
-+/*
-+ * Software reset
-+ */
-+static int software_rst(struct i2c_adapter *adapter)
-+{
-+ u8 buf[] = { 0xa5, 0x5a };
-+
-+ struct i2c_msg msg[] = {
-+ {
-+ .addr = 0x3,
-+ .flags = 0,
-+ .buf = &buf,
-+ .len = sizeof(buf)
-+ }
-+ };
-+
-+ return i2c_transfer(adapter, msg, 1);
-+}
-+
-+/*
-+ * Group dmblnk control
-+ */
-+static void config_group_dmblnk(struct pca9632_data *pca, int group_dmblnk_mode)
-+{
-+ reg_set_bit_mask(pca, PCA9632_REG_MODE2, 0x20,
-+ group_dmblnk_mode << PCA9632_DMBLNK_SHIFT);
-+}
-+
-+static int get_group_dmblnk(struct pca9632_data *pca)
-+{
-+ return reg_read(pca, PCA9632_REG_MODE2) >> PCA9632_DMBLNK_SHIFT;
-+}
-+
-+static ssize_t show_group_dmblnk(struct device *dev, struct device_attribute
-+ *attr, char *buf)
-+{
-+ struct i2c_client *client = to_i2c_client(dev);
-+ struct pca9632_data *pca = i2c_get_clientdata(client);
-+
-+ if (get_group_dmblnk(pca))
-+ return sprintf(buf, "blinking\n");
-+ else
-+ return sprintf(buf, "dimming\n");
-+}
-+
-+static ssize_t set_group_dmblnk(struct device *dev, struct device_attribute
-+ *attr, const char *buf, size_t count)
-+{
-+ struct i2c_client *client = to_i2c_client(dev);
-+ struct pca9632_data *pca = i2c_get_clientdata(client);
-+ unsigned int mode = simple_strtoul(buf, NULL, 10);
-+
-+ if (mode)
-+ dev_info(&pca->client.dev, "blinking\n");
-+ else
-+ dev_info(&pca->client.dev, "dimming\n");
-+
-+ config_group_dmblnk(pca, mode);
-+
-+ return count;
-+}
-+
-+static DEVICE_ATTR(group_dmblnk, S_IRUGO | S_IWUSR, show_group_dmblnk,
-+ set_group_dmblnk);
-+
-+static int reg_id_by_name(const char *name)
-+{
-+ int reg_id = -1;
-+
-+ if (!strncmp(name, "led0", 4))
-+ reg_id = PCA9632_REG_PWM0;
-+ else if (!strncmp(name, "led1", 4))
-+ reg_id = PCA9632_REG_PWM1;
-+ else if (!strncmp(name, "led2", 4))
-+ reg_id = PCA9632_REG_PWM2;
-+ else if (!strncmp(name, "led3", 4))
-+ reg_id = PCA9632_REG_PWM3;
-+
-+ return reg_id;
-+}
-+
-+static int get_led_output(struct pca9632_data *pca, int ldrx)
-+{
-+ u_int8_t led_state;
-+
-+ ldrx = ldrx - 2;
-+ led_state = reg_read(pca, PCA9632_REG_LEDOUT);
-+ led_state = (led_state >> (2 * ldrx)) & 0x03;
-+
-+ return led_state;
-+}
-+
-+static void config_led_output(struct pca9632_data *pca, int ldrx,
-+ enum pca9632_led_output led_output)
-+{
-+ u_int8_t mask;
-+ int tmp;
-+
-+ ldrx = ldrx - 2;
-+ mask = 0x03 << (2 * ldrx);
-+ tmp = reg_set_bit_mask(pca, PCA9632_REG_LEDOUT,
-+ mask, led_output << (2 * ldrx));
-+}
-+
-+/*
-+ * Individual brightness control
-+ */
-+static ssize_t show_brightness(struct device *dev, struct device_attribute
-+ *attr, char *buf)
-+{
-+ struct i2c_client *client = to_i2c_client(dev);
-+ struct pca9632_data *pca = i2c_get_clientdata(client);
-+ int ldrx;
-+
-+ ldrx = reg_id_by_name(attr->attr.name);
-+
-+ switch (get_led_output(pca, ldrx)) {
-+
-+ case PCA9632_OFF:
-+ case PCA9632_ON:
-+ return sprintf(buf, "%s",
-+ led_output_name[get_led_output(pca, ldrx)]);
-+
-+ case PCA9632_CTRL_BY_PWM:
-+ return sprintf(buf, "%d%% \n", calc_dc(reg_read(pca, ldrx)));
-+
-+ case PCA9632_CTRL_BY_PWM_GRPPWM:
-+ /* check group dmblnk */
-+ if (get_group_dmblnk(pca))
-+ return sprintf(buf, "%d%% \n",
-+ calc_dc(reg_read(pca, ldrx)));
-+ return sprintf(buf, "%d%% \n",
-+ calc_dc((reg_read(pca, ldrx) & 0xfc)));
-+ default:
-+ break;
-+ }
-+
-+ return sprintf(buf, "invalid argument\n");
-+}
-+
-+static ssize_t set_brightness(struct device *dev, struct device_attribute *attr,
-+ const char *buf, size_t count)
-+{
-+ struct i2c_client *client = to_i2c_client(dev);
-+ struct pca9632_data *pca = i2c_get_clientdata(client);
-+ unsigned int pwm = simple_strtoul(buf, NULL, 10);
-+ int ldrx;
-+
-+ ldrx = reg_id_by_name(attr->attr.name);
-+ reg_set_bit_mask(pca, ldrx, 0xff, pwm);
-+
-+ return count;
-+}
-+
-+static
-+DEVICE_ATTR(led0_pwm, S_IRUGO | S_IWUSR, show_brightness, set_brightness);
-+static
-+DEVICE_ATTR(led1_pwm, S_IRUGO | S_IWUSR, show_brightness, set_brightness);
-+static
-+DEVICE_ATTR(led2_pwm, S_IRUGO | S_IWUSR, show_brightness, set_brightness);
-+static
-+DEVICE_ATTR(led3_pwm, S_IRUGO | S_IWUSR, show_brightness, set_brightness);
-+
-+/*
-+ * Group frequency control
-+ */
-+static ssize_t show_group_freq(struct device *dev, struct device_attribute
-+ *attr, char *buf)
-+{
-+ uint32_t period;
-+ struct i2c_client *client = to_i2c_client(dev);
-+ struct pca9632_data *pca = i2c_get_clientdata(client);
-+
-+ period = ((reg_read(pca, PCA9632_REG_GRPFREQ) + 1) * 1000) / 24;
-+
-+ return sprintf(buf, "%d ms\n", period);
-+}
-+
-+static ssize_t set_group_freq(struct device *dev, struct device_attribute *attr,
-+ const char *buf, size_t count)
-+{
-+ struct i2c_client *client = to_i2c_client(dev);
-+ struct pca9632_data *pca = i2c_get_clientdata(client);
-+
-+ unsigned int freq = simple_strtoul(buf, NULL, 10);
-+ reg_write(pca, PCA9632_REG_GRPFREQ, freq);
-+ return count;
-+}
-+
-+static
-+DEVICE_ATTR(group_freq, S_IRUGO | S_IWUSR, show_group_freq, set_group_freq);
-+
-+/*
-+ * Group duty cycle tonrol*
-+ */
-+static ssize_t show_group_dc(struct device *dev, struct device_attribute *attr,
-+ char *buf)
-+{
-+ struct i2c_client *client = to_i2c_client(dev);
-+ struct pca9632_data *pca = i2c_get_clientdata(client);
-+
-+ if (get_group_dmblnk(pca)) {
-+
-+ if (reg_read(pca, PCA9632_REG_GRPFREQ) <= 0x03)
-+ return sprintf(buf, "%d%% \n",
-+ calc_dc(reg_read(pca, PCA9632_REG_GRPPWM) & 0xfc));
-+
-+ return sprintf(buf, "%d%% \n", calc_dc(reg_read(pca,
-+ PCA9632_REG_GRPPWM)));
-+ }
-+
-+ return sprintf(buf, "%d%% \n", calc_dc(reg_read(pca,
-+ PCA9632_REG_GRPPWM) & 0xf0));
-+}
-+
-+static ssize_t set_group_dc(struct device *dev, struct device_attribute *attr,
-+ const char *buf, size_t count)
-+{
-+ struct i2c_client *client = to_i2c_client(dev);
-+ struct pca9632_data *pca = i2c_get_clientdata(client);
-+
-+ unsigned int dc = simple_strtoul(buf, NULL, 10);
-+
-+ reg_set_bit_mask(pca, PCA9632_REG_GRPPWM, 0xff, dc);
-+
-+ return count;
-+}
-+
-+static DEVICE_ATTR(group_dc, S_IRUGO | S_IWUSR, show_group_dc, set_group_dc);
-+
-+/*
-+ * LED driver output
-+ */
-+static ssize_t show_led_output(struct device *dev, struct device_attribute
-+ *attr, char *buf)
-+{
-+ struct i2c_client *client = to_i2c_client(dev);
-+ struct pca9632_data *pca = i2c_get_clientdata(client);
-+ int ldrx;
-+
-+ ldrx = reg_id_by_name(attr->attr.name);
-+
-+ return sprintf(buf, "%s \n",
-+ led_output_name[get_led_output(pca, ldrx)]);
-+
-+}
-+static ssize_t set_led_output(struct device *dev, struct device_attribute *attr,
-+ const char *buf, size_t count)
-+{
-+ struct i2c_client *client = to_i2c_client(dev);
-+ struct pca9632_data *pca = i2c_get_clientdata(client);
-+ enum pca9632_led_output led_output;
-+ int ldrx;
-+
-+ led_output = simple_strtoul(buf, NULL, 10);
-+ ldrx = reg_id_by_name(attr->attr.name);
-+ config_led_output(pca, ldrx, led_output);
-+
-+ return count;
-+}
-+
-+static
-+DEVICE_ATTR(led0_output, S_IRUGO | S_IWUSR, show_led_output, set_led_output);
-+static
-+DEVICE_ATTR(led1_output, S_IRUGO | S_IWUSR, show_led_output, set_led_output);
-+static
-+DEVICE_ATTR(led2_output, S_IRUGO | S_IWUSR, show_led_output, set_led_output);
-+static
-+DEVICE_ATTR(led3_output, S_IRUGO | S_IWUSR, show_led_output, set_led_output);
-+
-+static struct attribute *pca_sysfs_entries[] = {
-+ &dev_attr_group_dmblnk.attr,
-+ &dev_attr_led0_pwm.attr,
-+ &dev_attr_led1_pwm.attr,
-+ &dev_attr_led2_pwm.attr,
-+ &dev_attr_led3_pwm.attr,
-+ &dev_attr_group_dc.attr,
-+ &dev_attr_group_freq.attr,
-+ &dev_attr_led0_output.attr,
-+ &dev_attr_led1_output.attr,
-+ &dev_attr_led2_output.attr,
-+ &dev_attr_led3_output.attr,
-+ NULL
-+};
-+
-+static struct attribute_group pca_attr_group = {
-+ .name = NULL, /* put in device directory */
-+ .attrs = pca_sysfs_entries,
-+};
-+
-+#ifdef CONFIG_PM
-+static int pca9632_suspend(struct device *dev, pm_message_t state)
-+{
-+ /* FIXME: Not implemented */
-+ return 0;
-+}
-+
-+static int pca9632_resume(struct device *dev)
-+{
-+ /* FIXME: Not implemented */
-+ return 0;
-+}
-+#else
-+#define pca9632_suspend NULL
-+#define pca9632_resume NULL
-+#endif
-+
-+static struct i2c_driver pca9632_driver = {
-+ .driver = {
-+ .name = "pca9632",
-+ .suspend = pca9632_suspend,
-+ .resume = pca9632_resume,
-+ },
-+ .id = I2C_DRIVERID_PCA9632,
-+ .attach_adapter = pca9632_attach_adapter,
-+ .detach_client = pca9632_detach_client,
-+};
-+
-+static int pca9632_detect(struct i2c_adapter *adapter, int address, int kind)
-+{
-+ struct i2c_client *new_client;
-+ struct pca9632_data *pca;
-+ int err;
-+
-+ pca = kzalloc(sizeof(struct pca9632_data), GFP_KERNEL);
-+ if (!pca)
-+ return -ENOMEM;
-+
-+ mutex_init(&pca->lock);
-+
-+ new_client = &pca->client;
-+ i2c_set_clientdata(new_client, pca);
-+ new_client->addr = address;
-+ new_client->adapter = adapter;
-+ new_client->driver = &pca9632_driver;
-+ new_client->flags = 0;
-+
-+ strlcpy(new_client->name, "pca9632", I2C_NAME_SIZE);
-+
-+ /* register with i2c core */
-+ err = i2c_attach_client(new_client);
-+ if (err)
-+ goto exit_kfree;
-+
-+ err = sysfs_create_group(&new_client->dev.kobj, &pca_attr_group);
-+ if (err)
-+ goto exit_detach;
-+
-+ /* software reset */
-+ if (!software_rst(adapter))
-+ dev_info(&pca->client.dev, "pca9632 sw-rst done\n");
-+
-+ /* enter normal mode */
-+ reg_set_bit_mask(pca, PCA9632_REG_MODE1, 0x10, PCA9632_NORMAL);
-+
-+ return 0;
-+
-+exit_detach:
-+ i2c_detach_client(new_client);
-+exit_kfree:
-+ kfree(pca);
-+
-+ return err;
-+}
-+
-+static int pca9632_attach_adapter(struct i2c_adapter *adapter)
-+{
-+ return i2c_probe(adapter, &addr_data, pca9632_detect);
-+}
-+
-+static int pca9632_detach_client(struct i2c_client *client)
-+{
-+ int err;
-+
-+ sysfs_remove_group(&client->dev.kobj, &pca_attr_group);
-+ err = i2c_detach_client(client);
-+
-+ if (err)
-+ return err;
-+
-+ kfree(i2c_get_clientdata(client));
-+
-+ return 0;
-+}
-+
-+static int __init pca9632_plat_probe(struct platform_device *pdev)
-+{
-+ /* FIXME: platform data should be attached here */
-+ pca9632_pdev = pdev;
-+
-+ return 0;
-+}
-+
-+static int pca9632_plat_remove(struct platform_device *pdev)
-+{
-+ return 0;
-+}
-+
-+static struct platform_driver pca9632_plat_driver = {
-+ .probe = pca9632_plat_probe,
-+ .remove = pca9632_plat_remove,
-+ .driver = {
-+ .owner = THIS_MODULE,
-+ .name = "pca9632",
-+ },
-+};
-+
-+static int __init pca9632_init(void)
-+{
-+ int rc;
-+
-+ rc = platform_driver_register(&pca9632_plat_driver);
-+ if (!rc)
-+ i2c_add_driver(&pca9632_driver);
-+
-+ return rc;
-+}
-+
-+static void __exit pca9632_exit(void)
-+{
-+ i2c_del_driver(&pca9632_driver);
-+
-+ platform_driver_unregister(&pca9632_plat_driver);
-+}
-+
-+MODULE_AUTHOR("Matt Hsu <matt_hsu@openmoko.org>");
-+MODULE_DESCRIPTION("NXP PCA9632 driver");
-+MODULE_LICENSE("GPL");
-+
-+module_init(pca9632_init);
-+module_exit(pca9632_exit);
-diff --git a/drivers/i2c/chips/pca9632.h b/drivers/i2c/chips/pca9632.h
-new file mode 100644
-index 0000000..be2892e
---- /dev/null
-+++ b/drivers/i2c/chips/pca9632.h
-@@ -0,0 +1,24 @@
-+#ifndef _PCA9632_H
-+#define _PCA9632_H
-+
-+
-+enum pca9632_regs{
-+
-+ PCA9632_REG_MODE1 = 0x00,
-+ PCA9632_REG_MODE2 = 0x01,
-+ PCA9632_REG_PWM0 = 0x02,
-+ PCA9632_REG_PWM1 = 0x03,
-+ PCA9632_REG_PWM2 = 0x04,
-+ PCA9632_REG_PWM3 = 0x05,
-+ PCA9632_REG_GRPPWM = 0x06,
-+ PCA9632_REG_GRPFREQ = 0x07,
-+ PCA9632_REG_LEDOUT = 0x08,
-+ PCA9632_REG_SUBADDR1 = 0x09,
-+ PCA9632_REG_SUBADDR2 = 0x0a,
-+ PCA9632_REG_SUBADDR3 = 0x0b,
-+ PCA9632_REG_ALLCALLADR1 = 0x0c,
-+};
-+
-+#define PCA9632_DMBLNK_SHIFT 5
-+
-+#endif /* _PCA9632_H */
-diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h
-index ee60156..d5a63fe 100644
---- a/include/linux/i2c-id.h
-+++ b/include/linux/i2c-id.h
-@@ -170,6 +170,7 @@
- #define I2C_DRIVERID_PCF50606 1049
- #define I2C_DRIVERID_TSL256X 1050
- #define I2C_DRIVERID_PCF50633 1051
-+#define I2C_DRIVERID_PCA9632 1052
-
- /*
- * ---- Adapter types ----------------------------------------------------
---
-1.5.6.5
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 18:14:41 +0000