Pull trivial into release branch
[sfrench/cifs-2.6.git] / drivers / input / touchscreen / corgi_ts.c
index 4c7fbe55036540463974608157de2f4f11143931..5013703db0e6261808872d4ac9cfb05153b1fb7a 100644 (file)
 
 
 #include <linux/delay.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/input.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <asm/irq.h>
+//#include <asm/irq.h>
 
 #include <asm/arch/sharpsl.h>
 #include <asm/arch/hardware.h>
@@ -41,8 +41,7 @@ struct ts_event {
 };
 
 struct corgi_ts {
-       char phys[32];
-       struct input_dev input;
+       struct input_dev *input;
        struct timer_list timer;
        struct ts_event tc;
        int pendown;
@@ -182,14 +181,12 @@ static void new_data(struct corgi_ts *corgi_ts, struct pt_regs *regs)
        if (!corgi_ts->tc.pressure && corgi_ts->pendown == 0)
                return;
 
-       if (regs)
-               input_regs(&corgi_ts->input, regs);
-
-       input_report_abs(&corgi_ts->input, ABS_X, corgi_ts->tc.x);
-       input_report_abs(&corgi_ts->input, ABS_Y, corgi_ts->tc.y);
-       input_report_abs(&corgi_ts->input, ABS_PRESSURE, corgi_ts->tc.pressure);
-       input_report_key(&corgi_ts->input, BTN_TOUCH, (corgi_ts->pendown != 0));
-       input_sync(&corgi_ts->input);
+       input_regs(corgi_ts->input, regs);
+       input_report_abs(corgi_ts->input, ABS_X, corgi_ts->tc.x);
+       input_report_abs(corgi_ts->input, ABS_Y, corgi_ts->tc.y);
+       input_report_abs(corgi_ts->input, ABS_PRESSURE, corgi_ts->tc.pressure);
+       input_report_key(corgi_ts->input, BTN_TOUCH, (corgi_ts->pendown != 0));
+       input_sync(corgi_ts->input);
 }
 
 static void ts_interrupt_main(struct corgi_ts *corgi_ts, int isTimer, struct pt_regs *regs)
@@ -234,34 +231,32 @@ static irqreturn_t ts_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 }
 
 #ifdef CONFIG_PM
-static int corgits_suspend(struct device *dev, pm_message_t state, uint32_t level)
+static int corgits_suspend(struct platform_device *dev, pm_message_t state)
 {
-       if (level == SUSPEND_POWER_DOWN) {
-               struct corgi_ts *corgi_ts = dev_get_drvdata(dev);
-
-               if (corgi_ts->pendown) {
-                       del_timer_sync(&corgi_ts->timer);
-                       corgi_ts->tc.pressure = 0;
-                       new_data(corgi_ts, NULL);
-                       corgi_ts->pendown = 0;
-               }
-               corgi_ts->power_mode = PWR_MODE_SUSPEND;
+       struct corgi_ts *corgi_ts = platform_get_drvdata(dev);
 
-               corgi_ssp_ads7846_putget((1u << ADSCTRL_ADR_SH) | ADSCTRL_STS);
+       if (corgi_ts->pendown) {
+               del_timer_sync(&corgi_ts->timer);
+               corgi_ts->tc.pressure = 0;
+               new_data(corgi_ts, NULL);
+               corgi_ts->pendown = 0;
        }
+       corgi_ts->power_mode = PWR_MODE_SUSPEND;
+
+       corgi_ssp_ads7846_putget((1u << ADSCTRL_ADR_SH) | ADSCTRL_STS);
+
        return 0;
 }
 
-static int corgits_resume(struct device *dev, uint32_t level)
+static int corgits_resume(struct platform_device *dev)
 {
-       if (level == RESUME_POWER_ON) {
-               struct corgi_ts *corgi_ts = dev_get_drvdata(dev);
+       struct corgi_ts *corgi_ts = platform_get_drvdata(dev);
+
+       corgi_ssp_ads7846_putget((4u << ADSCTRL_ADR_SH) | ADSCTRL_STS);
+       /* Enable Falling Edge */
+       set_irq_type(corgi_ts->irq_gpio, IRQT_FALLING);
+       corgi_ts->power_mode = PWR_MODE_ACTIVE;
 
-               corgi_ssp_ads7846_putget((4u << ADSCTRL_ADR_SH) | ADSCTRL_STS);
-               /* Enable Falling Edge */
-               set_irq_type(corgi_ts->irq_gpio, IRQT_FALLING);
-               corgi_ts->power_mode = PWR_MODE_ACTIVE;
-       }
        return 0;
 }
 #else
@@ -269,43 +264,47 @@ static int corgits_resume(struct device *dev, uint32_t level)
 #define corgits_resume         NULL
 #endif
 
-static int __init corgits_probe(struct device *dev)
+static int __init corgits_probe(struct platform_device *pdev)
 {
        struct corgi_ts *corgi_ts;
-       struct platform_device *pdev = to_platform_device(dev);
+       struct input_dev *input_dev;
+       int err = -ENOMEM;
 
-       if (!(corgi_ts = kmalloc(sizeof(struct corgi_ts), GFP_KERNEL)))
-               return -ENOMEM;
+       corgi_ts = kzalloc(sizeof(struct corgi_ts), GFP_KERNEL);
+       input_dev = input_allocate_device();
+       if (!corgi_ts || !input_dev)
+               goto fail;
 
-       dev_set_drvdata(dev, corgi_ts);
+       platform_set_drvdata(pdev, corgi_ts);
 
-       memset(corgi_ts, 0, sizeof(struct corgi_ts));
-
-       corgi_ts->machinfo = dev->platform_data;
+       corgi_ts->machinfo = pdev->dev.platform_data;
        corgi_ts->irq_gpio = platform_get_irq(pdev, 0);
 
        if (corgi_ts->irq_gpio < 0) {
-               kfree(corgi_ts);
-               return -ENODEV;
+               err = -ENODEV;
+               goto fail;
        }
 
-       init_input_dev(&corgi_ts->input);
-       corgi_ts->input.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-       corgi_ts->input.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
-       input_set_abs_params(&corgi_ts->input, ABS_X, X_AXIS_MIN, X_AXIS_MAX, 0, 0);
-       input_set_abs_params(&corgi_ts->input, ABS_Y, Y_AXIS_MIN, Y_AXIS_MAX, 0, 0);
-       input_set_abs_params(&corgi_ts->input, ABS_PRESSURE, PRESSURE_MIN, PRESSURE_MAX, 0, 0);
+       corgi_ts->input = input_dev;
 
-       strcpy(corgi_ts->phys, "corgits/input0");
+       init_timer(&corgi_ts->timer);
+       corgi_ts->timer.data = (unsigned long) corgi_ts;
+       corgi_ts->timer.function = corgi_ts_timer;
 
-       corgi_ts->input.private = corgi_ts;
-       corgi_ts->input.name = "Corgi Touchscreen";
-       corgi_ts->input.dev = dev;
-       corgi_ts->input.phys = corgi_ts->phys;
-       corgi_ts->input.id.bustype = BUS_HOST;
-       corgi_ts->input.id.vendor = 0x0001;
-       corgi_ts->input.id.product = 0x0002;
-       corgi_ts->input.id.version = 0x0100;
+       input_dev->name = "Corgi Touchscreen";
+       input_dev->phys = "corgits/input0";
+       input_dev->id.bustype = BUS_HOST;
+       input_dev->id.vendor = 0x0001;
+       input_dev->id.product = 0x0002;
+       input_dev->id.version = 0x0100;
+       input_dev->cdev.dev = &pdev->dev;
+       input_dev->private = corgi_ts;
+
+       input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+       input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+       input_set_abs_params(input_dev, ABS_X, X_AXIS_MIN, X_AXIS_MAX, 0, 0);
+       input_set_abs_params(input_dev, ABS_Y, Y_AXIS_MIN, Y_AXIS_MAX, 0, 0);
+       input_set_abs_params(input_dev, ABS_PRESSURE, PRESSURE_MIN, PRESSURE_MAX, 0, 0);
 
        pxa_gpio_mode(IRQ_TO_GPIO(corgi_ts->irq_gpio) | GPIO_IN);
 
@@ -319,56 +318,56 @@ static int __init corgits_probe(struct device *dev)
        corgi_ssp_ads7846_putget((5u << ADSCTRL_ADR_SH) | ADSCTRL_STS);
        mdelay(5);
 
-       init_timer(&corgi_ts->timer);
-       corgi_ts->timer.data = (unsigned long) corgi_ts;
-       corgi_ts->timer.function = corgi_ts_timer;
-
-       input_register_device(&corgi_ts->input);
-       corgi_ts->power_mode = PWR_MODE_ACTIVE;
-
        if (request_irq(corgi_ts->irq_gpio, ts_interrupt, SA_INTERRUPT, "ts", corgi_ts)) {
-               input_unregister_device(&corgi_ts->input);
-               kfree(corgi_ts);
-               return -EBUSY;
+               err = -EBUSY;
+               goto fail;
        }
 
+       input_register_device(corgi_ts->input);
+
+       corgi_ts->power_mode = PWR_MODE_ACTIVE;
+
        /* Enable Falling Edge */
        set_irq_type(corgi_ts->irq_gpio, IRQT_FALLING);
 
-       printk(KERN_INFO "input: Corgi Touchscreen Registered\n");
-
        return 0;
+
+ fail: input_free_device(input_dev);
+       kfree(corgi_ts);
+       return err;
+
 }
 
-static int corgits_remove(struct device *dev)
+static int corgits_remove(struct platform_device *pdev)
 {
-       struct corgi_ts *corgi_ts = dev_get_drvdata(dev);
+       struct corgi_ts *corgi_ts = platform_get_drvdata(pdev);
 
        free_irq(corgi_ts->irq_gpio, NULL);
        del_timer_sync(&corgi_ts->timer);
        corgi_ts->machinfo->put_hsync();
-       input_unregister_device(&corgi_ts->input);
+       input_unregister_device(corgi_ts->input);
        kfree(corgi_ts);
        return 0;
 }
 
-static struct device_driver corgits_driver = {
-       .name           = "corgi-ts",
-       .bus            = &platform_bus_type,
+static struct platform_driver corgits_driver = {
        .probe          = corgits_probe,
        .remove         = corgits_remove,
        .suspend        = corgits_suspend,
        .resume         = corgits_resume,
+       .driver         = {
+               .name   = "corgi-ts",
+       },
 };
 
 static int __devinit corgits_init(void)
 {
-       return driver_register(&corgits_driver);
+       return platform_driver_register(&corgits_driver);
 }
 
 static void __exit corgits_exit(void)
 {
-       driver_unregister(&corgits_driver);
+       platform_driver_unregister(&corgits_driver);
 }
 
 module_init(corgits_init);