1 files changed, 207 insertions, 0 deletions
diff --git a/recipes/linux/openzaurus-pxa-2.4.18-rmk7-pxa3-embedix20031107/tosa_ts.patch b/recipes/linux/openzaurus-pxa-2.4.18-rmk7-pxa3-embedix20031107/tosa_ts.patch
new file mode 100644
index 0000000000..678cb2e25b
--- /dev/null
+++ b/recipes/linux/openzaurus-pxa-2.4.18-rmk7-pxa3-embedix20031107/tosa_ts.patch
@@ -0,0 +1,207 @@
+
+#
+# Patch managed by http://www.holgerschurig.de/patcher.html
+#
+
+--- linux/drivers/char/tosa_ts.c~tosa_ts.patch
++++ linux/drivers/char/tosa_ts.c
+@@ -102,6 +102,8 @@
+ static int head = 0, tail = 0;
+ 
+ #ifdef CONFIG_PM
++#include <linux/pm.h>
++static struct pm_dev* tosa_ts_pm_dev;
+ static int tp_suspend = 0;
+ #endif	/* CONFIG_PM */
+ 
+@@ -495,25 +497,6 @@
+ 	ioctl:		ts_ioctl,
+ };
+ 
+-static void ts_exit(void)
+-{
+-  ts_timer_clear();
+-  ts_clear();
+-  free_irq(IRQ_GPIO_TP_INT, NULL);
+-  wm9712_power_mode_ts(WM9712_PWR_OFF);
+-  
+-  pxa_ac97_put(&ac97_on);
+-}
+-
+-#ifdef MODULE
+-static void __exit ac97_ts_cleanup(void)
+-{
+-  ts_exit();
+-  unregister_chrdev(TS_MAJOR, "ts");
+-}
+-module_exit(ac97_ts_cleanup);
+-#endif	/* MODULE */
+-
+ extern int tc6393fb_lcdMode;
+ 
+ int ac97_ad_input(int ch, unsigned short *dat)
+@@ -608,7 +591,7 @@
+ #endif
+ }
+ 
+-static int ts_init(void)
++static int tosa_ts_hardware_start(void)
+ {
+   pxa_ac97_get(&codec, &ac97_on);
+ 
+@@ -625,7 +608,6 @@
+   /* GPIO3/PENDOWN wakeup */
+   ac97_bit_set(AC97_GPIO_WAKE_UP, CODEC_PENDOWN);
+ 
+-  ts_clear();
+ 
+   /* Init queue */
+  //X	kernel_thread(ts_pendown, NULL, CLONE_FS | CLONE_FILES | CLONE_SIGHAND | SIGCHLD);
+@@ -639,12 +621,39 @@
+     return -EBUSY;
+   }
+ 
+-  //  printk(KERN_INFO "Tosa Touch Screen driver initialized\n");
+-
+   return 0;
+ }
+ 
+-static int __init ac97_ts_init(void)
++static void tosa_ts_hardware_stop(void)
++{
++  ts_timer_clear();
++  ts_clear();
++  free_irq(IRQ_GPIO_TP_INT, NULL);
++  wm9712_power_mode_ts(WM9712_PWR_OFF);
++  
++  pxa_ac97_put(&ac97_on);
++}
++
++#ifdef CONFIG_PM
++static int tosa_ts_pm_callback(struct pm_dev *pm_dev,
++                                  pm_request_t req, void *data)
++{
++        switch (req) {
++        case PM_SUSPEND:
++                tp_suspend = 1;
++                tosa_ts_hardware_stop();
++		break;
++        case PM_RESUME:
++                tp_suspend = 0;
++                tosa_ts_hardware_start();
++                break;
++        }
++        return 0;
++}
++#endif
++
++
++static int __init tosa_ts_init(void)
+ {
+   ac97_on = 0;
+ 
+@@ -663,28 +672,37 @@
+   
+   if( register_chrdev(TS_MAJOR,DEV_NAME, &ts_fops) ) {
+     printk("unable to get major %d for touch screen\n", TS_MAJOR);
+-    ts_exit();
+   }
+ 
+   init_procinfo();
+ 
++  tosa_ts_hardware_start();
++
++#ifdef CONFIG_PM
++  tosa_ts_pm_dev = pm_register(PM_SYS_DEV, 0, tosa_ts_pm_callback);
++#endif
++
+   kernel_thread(ts_pendown, NULL, CLONE_FS | CLONE_FILES | CLONE_SIGHAND | SIGCHLD);
+ 
+   return 0;
+ }
+ 
+-module_init(ac97_ts_init);
++static int __exit tosa_ts_cleanup()
++{
++  tosa_hardware_stop();
++  pm_unregister(tosa_ts_pm_dev);
++  unregister_chrdev(TS_MAJOR, "ts");
++}
++
++module_init(tosa_ts_init);
++module_exit(tosa_ts_cleanup);
+ 
+ /*
+  * Driver functions
+  */
+ static int ts_open(struct inode *inode, struct file *file)
+ {
+-  if( ts_init() < 0 ) {
+-    ts_exit();
+-    return -EINVAL;
+-  }
+-
++  ts_clear();
+   MOD_INC_USE_COUNT;
+   return 0;
+ }
+@@ -692,7 +710,6 @@
+ 
+ static int ts_release(struct inode *inode, struct file *file)
+ {
+-  ts_exit();
+ 
+   MOD_DEC_USE_COUNT;
+   return 0;
+@@ -788,20 +805,3 @@
+   return 0;
+ }
+ 
+-#ifdef CONFIG_PM
+-void tosa_ts_suspend(void)
+-{
+-  DEBUG(DBG_L1, "in\n");
+-  tp_suspend = 1;
+-  ts_exit();
+-  DEBUG(DBG_L1, "out\n");
+-}
+-
+-void tosa_ts_resume(void)
+-{
+-  DEBUG(DBG_L1, "in\n");
+-  tp_suspend = 0;
+-  ts_init();
+-  DEBUG(DBG_L1, "out\n");
+-}
+-#endif	/* CONFIG_PM */
+--- linux/drivers/sound/pxa-ac97_tosa.c~tosa_ts.patch
++++ linux/drivers/sound/pxa-ac97_tosa.c
+@@ -90,8 +90,6 @@
+ #include <linux/pm.h>
+ static struct pm_dev* pxa_sound_pm_dev;
+ static int tosa_pm_callback(struct pm_dev *,pm_request_t, void *);
+-extern void tosa_ts_suspend(void);
+-extern void tosa_ts_resume(void);
+ #endif	/* CONFIG_PM */
+ 
+ /************************************************************
+@@ -2195,9 +2193,6 @@
+   case PM_SUSPEND:
+     DEBUG(DBG_L1, "PM_SUSPEND: start\n");
+     wm9712_suspend();
+-#ifdef CONFIG_TOSA_TS
+-    tosa_ts_suspend();
+-#endif	/* CONFIG_TOSA_TS */
+     if ( ac97_audio_state.rd_ref != 0 ) {
+       audio_clear_buf(ac97_audio_state.input_stream);
+       *ac97_audio_state.input_stream->drcmr = 0;
+@@ -2239,9 +2234,6 @@
+       ac97_audio_state.input_stream->dma_ch = err;
+     }
+     wm9712_resume();
+-#ifdef CONFIG_TOSA_TS
+-    tosa_ts_resume();
+-#endif	/* CONFIG_TOSA_TS */
+     DEBUG(DBG_L1, "PM_RESUME: done\n");
+     break;
+   }