samples: move blackfin gptimers-example from Documentation
[linux-2.6-block.git] / Documentation / blackfin / gptimers-example.c
diff --git a/Documentation/blackfin/gptimers-example.c b/Documentation/blackfin/gptimers-example.c
deleted file mode 100644 (file)
index 283eba9..0000000
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Simple gptimers example
- *     http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:drivers:gptimers
- *
- * Copyright 2007-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/interrupt.h>
-#include <linux/module.h>
-
-#include <asm/gptimers.h>
-#include <asm/portmux.h>
-
-/* ... random driver includes ... */
-
-#define DRIVER_NAME "gptimer_example"
-
-#ifdef IRQ_TIMER5
-#define SAMPLE_IRQ_TIMER IRQ_TIMER5
-#else
-#define SAMPLE_IRQ_TIMER IRQ_TIMER2
-#endif
-
-struct gptimer_data {
-       uint32_t period, width;
-};
-static struct gptimer_data data;
-
-/* ... random driver state ... */
-
-static irqreturn_t gptimer_example_irq(int irq, void *dev_id)
-{
-       struct gptimer_data *data = dev_id;
-
-       /* make sure it was our timer which caused the interrupt */
-       if (!get_gptimer_intr(TIMER5_id))
-               return IRQ_NONE;
-
-       /* read the width/period values that were captured for the waveform */
-       data->width = get_gptimer_pwidth(TIMER5_id);
-       data->period = get_gptimer_period(TIMER5_id);
-
-       /* acknowledge the interrupt */
-       clear_gptimer_intr(TIMER5_id);
-
-       /* tell the upper layers we took care of things */
-       return IRQ_HANDLED;
-}
-
-/* ... random driver code ... */
-
-static int __init gptimer_example_init(void)
-{
-       int ret;
-
-       /* grab the peripheral pins */
-       ret = peripheral_request(P_TMR5, DRIVER_NAME);
-       if (ret) {
-               printk(KERN_NOTICE DRIVER_NAME ": peripheral request failed\n");
-               return ret;
-       }
-
-       /* grab the IRQ for the timer */
-       ret = request_irq(SAMPLE_IRQ_TIMER, gptimer_example_irq,
-                       IRQF_SHARED, DRIVER_NAME, &data);
-       if (ret) {
-               printk(KERN_NOTICE DRIVER_NAME ": IRQ request failed\n");
-               peripheral_free(P_TMR5);
-               return ret;
-       }
-
-       /* setup the timer and enable it */
-       set_gptimer_config(TIMER5_id,
-                       WDTH_CAP | PULSE_HI | PERIOD_CNT | IRQ_ENA);
-       enable_gptimers(TIMER5bit);
-
-       return 0;
-}
-module_init(gptimer_example_init);
-
-static void __exit gptimer_example_exit(void)
-{
-       disable_gptimers(TIMER5bit);
-       free_irq(SAMPLE_IRQ_TIMER, &data);
-       peripheral_free(P_TMR5);
-}
-module_exit(gptimer_example_exit);
-
-MODULE_LICENSE("BSD");