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path: root/drivers/media/rc/ir-rx51.c
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Diffstat (limited to 'drivers/media/rc/ir-rx51.c')
-rw-r--r--drivers/media/rc/ir-rx51.c99
1 files changed, 53 insertions, 46 deletions
diff --git a/drivers/media/rc/ir-rx51.c b/drivers/media/rc/ir-rx51.c
index 4e1711a40466..da839c3a8c8b 100644
--- a/drivers/media/rc/ir-rx51.c
+++ b/drivers/media/rc/ir-rx51.c
@@ -19,6 +19,7 @@
*
*/
+#include <linux/clk.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/uaccess.h>
@@ -26,11 +27,9 @@
#include <linux/sched.h>
#include <linux/wait.h>
-#include <plat/dmtimer.h>
-#include <plat/clock.h>
-
#include <media/lirc.h>
#include <media/lirc_dev.h>
+#include <linux/platform_data/pwm_omap_dmtimer.h>
#include <linux/platform_data/media/ir-rx51.h>
#define LIRC_RX51_DRIVER_FEATURES (LIRC_CAN_SET_SEND_DUTY_CYCLE | \
@@ -44,8 +43,9 @@
#define TIMER_MAX_VALUE 0xffffffff
struct lirc_rx51 {
- struct omap_dm_timer *pwm_timer;
- struct omap_dm_timer *pulse_timer;
+ pwm_omap_dmtimer *pwm_timer;
+ pwm_omap_dmtimer *pulse_timer;
+ struct pwm_omap_dmtimer_pdata *dmtimer;
struct device *dev;
struct lirc_rx51_platform_data *pdata;
wait_queue_head_t wqueue;
@@ -63,14 +63,14 @@ struct lirc_rx51 {
static void lirc_rx51_on(struct lirc_rx51 *lirc_rx51)
{
- omap_dm_timer_set_pwm(lirc_rx51->pwm_timer, 0, 1,
- OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE);
+ lirc_rx51->dmtimer->set_pwm(lirc_rx51->pwm_timer, 0, 1,
+ PWM_OMAP_DMTIMER_TRIGGER_OVERFLOW_AND_COMPARE);
}
static void lirc_rx51_off(struct lirc_rx51 *lirc_rx51)
{
- omap_dm_timer_set_pwm(lirc_rx51->pwm_timer, 0, 1,
- OMAP_TIMER_TRIGGER_NONE);
+ lirc_rx51->dmtimer->set_pwm(lirc_rx51->pwm_timer, 0, 1,
+ PWM_OMAP_DMTIMER_TRIGGER_NONE);
}
static int init_timing_params(struct lirc_rx51 *lirc_rx51)
@@ -79,12 +79,12 @@ static int init_timing_params(struct lirc_rx51 *lirc_rx51)
load = -(lirc_rx51->fclk_khz * 1000 / lirc_rx51->freq);
match = -(lirc_rx51->duty_cycle * -load / 100);
- omap_dm_timer_set_load(lirc_rx51->pwm_timer, 1, load);
- omap_dm_timer_set_match(lirc_rx51->pwm_timer, 1, match);
- omap_dm_timer_write_counter(lirc_rx51->pwm_timer, TIMER_MAX_VALUE - 2);
- omap_dm_timer_start(lirc_rx51->pwm_timer);
- omap_dm_timer_set_int_enable(lirc_rx51->pulse_timer, 0);
- omap_dm_timer_start(lirc_rx51->pulse_timer);
+ lirc_rx51->dmtimer->set_load(lirc_rx51->pwm_timer, 1, load);
+ lirc_rx51->dmtimer->set_match(lirc_rx51->pwm_timer, 1, match);
+ lirc_rx51->dmtimer->write_counter(lirc_rx51->pwm_timer, TIMER_MAX_VALUE - 2);
+ lirc_rx51->dmtimer->start(lirc_rx51->pwm_timer);
+ lirc_rx51->dmtimer->set_int_enable(lirc_rx51->pulse_timer, 0);
+ lirc_rx51->dmtimer->start(lirc_rx51->pulse_timer);
lirc_rx51->match = 0;
@@ -100,15 +100,15 @@ static int pulse_timer_set_timeout(struct lirc_rx51 *lirc_rx51, int usec)
BUG_ON(usec < 0);
if (lirc_rx51->match == 0)
- counter = omap_dm_timer_read_counter(lirc_rx51->pulse_timer);
+ counter = lirc_rx51->dmtimer->read_counter(lirc_rx51->pulse_timer);
else
counter = lirc_rx51->match;
counter += (u32)(lirc_rx51->fclk_khz * usec / (1000));
- omap_dm_timer_set_match(lirc_rx51->pulse_timer, 1, counter);
- omap_dm_timer_set_int_enable(lirc_rx51->pulse_timer,
- OMAP_TIMER_INT_MATCH);
- if (tics_after(omap_dm_timer_read_counter(lirc_rx51->pulse_timer),
+ lirc_rx51->dmtimer->set_match(lirc_rx51->pulse_timer, 1, counter);
+ lirc_rx51->dmtimer->set_int_enable(lirc_rx51->pulse_timer,
+ PWM_OMAP_DMTIMER_INT_MATCH);
+ if (tics_after(lirc_rx51->dmtimer->read_counter(lirc_rx51->pulse_timer),
counter)) {
return 1;
}
@@ -120,18 +120,18 @@ static irqreturn_t lirc_rx51_interrupt_handler(int irq, void *ptr)
unsigned int retval;
struct lirc_rx51 *lirc_rx51 = ptr;
- retval = omap_dm_timer_read_status(lirc_rx51->pulse_timer);
+ retval = lirc_rx51->dmtimer->read_status(lirc_rx51->pulse_timer);
if (!retval)
return IRQ_NONE;
- if (retval & ~OMAP_TIMER_INT_MATCH)
+ if (retval & ~PWM_OMAP_DMTIMER_INT_MATCH)
dev_err_ratelimited(lirc_rx51->dev,
": Unexpected interrupt source: %x\n", retval);
- omap_dm_timer_write_status(lirc_rx51->pulse_timer,
- OMAP_TIMER_INT_MATCH |
- OMAP_TIMER_INT_OVERFLOW |
- OMAP_TIMER_INT_CAPTURE);
+ lirc_rx51->dmtimer->write_status(lirc_rx51->pulse_timer,
+ PWM_OMAP_DMTIMER_INT_MATCH |
+ PWM_OMAP_DMTIMER_INT_OVERFLOW |
+ PWM_OMAP_DMTIMER_INT_CAPTURE);
if (lirc_rx51->wbuf_index < 0) {
dev_err_ratelimited(lirc_rx51->dev,
": BUG wbuf_index has value of %i\n",
@@ -165,9 +165,9 @@ end:
/* Stop TX here */
lirc_rx51_off(lirc_rx51);
lirc_rx51->wbuf_index = -1;
- omap_dm_timer_stop(lirc_rx51->pwm_timer);
- omap_dm_timer_stop(lirc_rx51->pulse_timer);
- omap_dm_timer_set_int_enable(lirc_rx51->pulse_timer, 0);
+ lirc_rx51->dmtimer->stop(lirc_rx51->pwm_timer);
+ lirc_rx51->dmtimer->stop(lirc_rx51->pulse_timer);
+ lirc_rx51->dmtimer->set_int_enable(lirc_rx51->pulse_timer, 0);
wake_up_interruptible(&lirc_rx51->wqueue);
return IRQ_HANDLED;
@@ -178,28 +178,29 @@ static int lirc_rx51_init_port(struct lirc_rx51 *lirc_rx51)
struct clk *clk_fclk;
int retval, pwm_timer = lirc_rx51->pwm_timer_num;
- lirc_rx51->pwm_timer = omap_dm_timer_request_specific(pwm_timer);
+ lirc_rx51->pwm_timer = lirc_rx51->dmtimer->request_specific(pwm_timer);
if (lirc_rx51->pwm_timer == NULL) {
dev_err(lirc_rx51->dev, ": Error requesting GPT%d timer\n",
pwm_timer);
return -EBUSY;
}
- lirc_rx51->pulse_timer = omap_dm_timer_request();
+ lirc_rx51->pulse_timer = lirc_rx51->dmtimer->request();
if (lirc_rx51->pulse_timer == NULL) {
dev_err(lirc_rx51->dev, ": Error requesting pulse timer\n");
retval = -EBUSY;
goto err1;
}
- omap_dm_timer_set_source(lirc_rx51->pwm_timer, OMAP_TIMER_SRC_SYS_CLK);
- omap_dm_timer_set_source(lirc_rx51->pulse_timer,
- OMAP_TIMER_SRC_SYS_CLK);
+ lirc_rx51->dmtimer->set_source(lirc_rx51->pwm_timer,
+ PWM_OMAP_DMTIMER_SRC_SYS_CLK);
+ lirc_rx51->dmtimer->set_source(lirc_rx51->pulse_timer,
+ PWM_OMAP_DMTIMER_SRC_SYS_CLK);
- omap_dm_timer_enable(lirc_rx51->pwm_timer);
- omap_dm_timer_enable(lirc_rx51->pulse_timer);
+ lirc_rx51->dmtimer->enable(lirc_rx51->pwm_timer);
+ lirc_rx51->dmtimer->enable(lirc_rx51->pulse_timer);
- lirc_rx51->irq_num = omap_dm_timer_get_irq(lirc_rx51->pulse_timer);
+ lirc_rx51->irq_num = lirc_rx51->dmtimer->get_irq(lirc_rx51->pulse_timer);
retval = request_irq(lirc_rx51->irq_num, lirc_rx51_interrupt_handler,
IRQF_SHARED, "lirc_pulse_timer", lirc_rx51);
if (retval) {
@@ -207,28 +208,28 @@ static int lirc_rx51_init_port(struct lirc_rx51 *lirc_rx51)
goto err2;
}
- clk_fclk = omap_dm_timer_get_fclk(lirc_rx51->pwm_timer);
- lirc_rx51->fclk_khz = clk_fclk->rate / 1000;
+ clk_fclk = lirc_rx51->dmtimer->get_fclk(lirc_rx51->pwm_timer);
+ lirc_rx51->fclk_khz = clk_get_rate(clk_fclk) / 1000;
return 0;
err2:
- omap_dm_timer_free(lirc_rx51->pulse_timer);
+ lirc_rx51->dmtimer->free(lirc_rx51->pulse_timer);
err1:
- omap_dm_timer_free(lirc_rx51->pwm_timer);
+ lirc_rx51->dmtimer->free(lirc_rx51->pwm_timer);
return retval;
}
static int lirc_rx51_free_port(struct lirc_rx51 *lirc_rx51)
{
- omap_dm_timer_set_int_enable(lirc_rx51->pulse_timer, 0);
+ lirc_rx51->dmtimer->set_int_enable(lirc_rx51->pulse_timer, 0);
free_irq(lirc_rx51->irq_num, lirc_rx51);
lirc_rx51_off(lirc_rx51);
- omap_dm_timer_disable(lirc_rx51->pwm_timer);
- omap_dm_timer_disable(lirc_rx51->pulse_timer);
- omap_dm_timer_free(lirc_rx51->pwm_timer);
- omap_dm_timer_free(lirc_rx51->pulse_timer);
+ lirc_rx51->dmtimer->disable(lirc_rx51->pwm_timer);
+ lirc_rx51->dmtimer->disable(lirc_rx51->pulse_timer);
+ lirc_rx51->dmtimer->free(lirc_rx51->pwm_timer);
+ lirc_rx51->dmtimer->free(lirc_rx51->pulse_timer);
lirc_rx51->wbuf_index = -1;
return 0;
@@ -446,7 +447,13 @@ static int lirc_rx51_probe(struct platform_device *dev)
{
lirc_rx51_driver.features = LIRC_RX51_DRIVER_FEATURES;
lirc_rx51.pdata = dev->dev.platform_data;
+ if (!lirc_rx51.pdata->dmtimer) {
+ dev_err(&dev->dev, "no dmtimer?\n");
+ return -ENODEV;
+ }
+
lirc_rx51.pwm_timer_num = lirc_rx51.pdata->pwm_timer;
+ lirc_rx51.dmtimer = lirc_rx51.pdata->dmtimer;
lirc_rx51.dev = &dev->dev;
lirc_rx51_driver.dev = &dev->dev;
lirc_rx51_driver.minor = lirc_register_driver(&lirc_rx51_driver);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-19 03:44:37 +0000