From 39014486f9e50110d23dece007ce4c0ed90d15b1 Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Fri, 4 Oct 2013 03:15:13 +0300
Subject: [PATCH] gp2x: pollux: various fixes

---
 gp2x/soc_mmsp2.c   |  3 +++
 gp2x/soc_pollux.c  |  9 +++++----
 linux/sndout_oss.c | 13 ++++++++-----
 linux/sndout_oss.h |  1 +
 4 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/gp2x/soc_mmsp2.c b/gp2x/soc_mmsp2.c
index beea7bf..67a5c7d 100644
--- a/gp2x/soc_mmsp2.c
+++ b/gp2x/soc_mmsp2.c
@@ -24,6 +24,7 @@
 #include "soc.h"
 #include "soc_mmsp2.h"
 #include "plat_gp2x.h"
+#include "../linux/sndout_oss.h"
 #include "../plat.h"
 
 static int mixerdev = -1;
@@ -429,6 +430,8 @@ void mmsp2_init(void)
 
 	gp2x_get_ticks_ms = plat_get_ticks_ms_good;
 	gp2x_get_ticks_us = plat_get_ticks_us_good;
+
+	sndout_oss_can_restart = 0;
 }
 
 void mmsp2_finish(void)
diff --git a/gp2x/soc_pollux.c b/gp2x/soc_pollux.c
index 5b0b3ff..7e86092 100644
--- a/gp2x/soc_pollux.c
+++ b/gp2x/soc_pollux.c
@@ -86,7 +86,8 @@ static void unset_ram_timings(void)
 
 static unsigned int gp2x_get_ticks_us_(void)
 {
-	TIMER_REG(0x08) = 0x4b;  /* run timer, latch value */
+	unsigned int div = TIMER_REG(0x08) & 3;
+	TIMER_REG(0x08) = 0x48 | div;  /* run timer, latch value */
 	return TIMER_REG(0);
 }
 
@@ -302,6 +303,9 @@ void pollux_init(void)
 		TIMER_REG(0x44) = ((timer_div - 1) << 4) | 2;	/* using PLL1 */
 		TIMER_REG(0x40) = 0x0c;				/* clocks on */
 		TIMER_REG(0x08) = 0x68 | timer_div2;		/* run timer, clear irq, latch value */
+
+		gp2x_get_ticks_ms = gp2x_get_ticks_ms_;
+		gp2x_get_ticks_us = gp2x_get_ticks_us_;
 	}
 	else {
 		fprintf(stderr, "warning: could not make use of timer\n");
@@ -323,9 +327,6 @@ void pollux_init(void)
 	plat_target.cpu_clock_set = pollux_cpu_clock_set;
 	plat_target.bat_capacity_get = pollux_bat_capacity_get;
 	plat_target.step_volume = step_volume;
-
-	gp2x_get_ticks_ms = gp2x_get_ticks_ms_;
-	gp2x_get_ticks_us = gp2x_get_ticks_us_;
 }
 
 void pollux_finish(void)
diff --git a/linux/sndout_oss.c b/linux/sndout_oss.c
index a8fbe3f..2ac91c4 100644
--- a/linux/sndout_oss.c
+++ b/linux/sndout_oss.c
@@ -21,6 +21,7 @@
 #include "sndout_oss.h"
 
 int sndout_oss_frag_frames = 1;
+int sndout_oss_can_restart = 1;
 
 static int sounddev = -1, mixerdev = -1;
 static int can_write_safe;
@@ -41,15 +42,17 @@ int sndout_oss_init(void)
 
 void sndout_oss_stop(void)
 {
-#ifdef __GP2X__
-	/* restarting audio on GP2X causes trouble */
-	return;
-#endif
+	/* restarting audio on GP2X causes trouble,
+	 * not restarting on Caanoo causes trouble */
+	if (!sndout_oss_can_restart)
+		return;
 
 	if (sounddev < 0)
 		return;
 
-	ioctl(sounddev, SOUND_PCM_SYNC, 0);
+	// sync causes trouble on Caanoo..
+	//ioctl(sounddev, SOUND_PCM_SYNC, 0);
+
 	close(sounddev);
 	sounddev = -1;
 }
diff --git a/linux/sndout_oss.h b/linux/sndout_oss.h
index fde9ff6..6b65617 100644
--- a/linux/sndout_oss.h
+++ b/linux/sndout_oss.h
@@ -10,3 +10,4 @@ void sndout_oss_exit(void);
 
 /* make oss fragment size to fit this much video frames */
 extern int sndout_oss_frag_frames;
+extern int sndout_oss_can_restart;
-- 
2.39.5