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authorBertrik Sikken <bertrik@sikken.nl>2009-07-12 14:32:38 +0000
committerBertrik Sikken <bertrik@sikken.nl>2009-07-12 14:32:38 +0000
commit59b9e3ab3f64c17aaf093f0031a5e93ea5120170 (patch)
tree2e4789ef5f946ae85a4b229a644cfda31fb370c3 /firmware
parentf9e7a5ad39e73d189a7aa927c46d826490d20a2d (diff)
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Meizu: implement power driver (USB power detect / charging status / poweroff)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21805 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware')
-rw-r--r--firmware/export/config-meizu-m3.h4
-rw-r--r--firmware/target/arm/s5l8700/power-meizu.c92
2 files changed, 94 insertions, 2 deletions
diff --git a/firmware/export/config-meizu-m3.h b/firmware/export/config-meizu-m3.h
index 4bb2e68725..18228226e3 100644
--- a/firmware/export/config-meizu-m3.h
+++ b/firmware/export/config-meizu-m3.h
@@ -116,8 +116,8 @@
#define BATTERY_CAPACITY_INC 50 /* capacity increment */
#define BATTERY_TYPES_COUNT 1 /* only one type */
-/* Hardware controlled charging? FIXME */
-#define CONFIG_CHARGING CHARGING_SIMPLE
+/* Hardware controlled charging, software can monitor plug and charge state */
+#define CONFIG_CHARGING CHARGING_MONITOR
#ifndef SIMULATOR
diff --git a/firmware/target/arm/s5l8700/power-meizu.c b/firmware/target/arm/s5l8700/power-meizu.c
new file mode 100644
index 0000000000..516bfc976d
--- /dev/null
+++ b/firmware/target/arm/s5l8700/power-meizu.c
@@ -0,0 +1,92 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright © 2009 Bertrik Sikken
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <stdbool.h>
+#include "config.h"
+#include "inttypes.h"
+#include "s5l8700.h"
+#include "power.h"
+
+/* Power handling for S5L8700 based Meizu players
+
+ The M3 and M6 players appear to use the same pins for power, USB detection
+ and charging status.
+*/
+
+void power_off(void)
+{
+ /* take down PWRON_M (P1.3) */
+ PDAT1 &= ~(1 << 3);
+}
+
+void power_init(void)
+{
+ /* configure PWRON_M (P1.3) as output and set it to keep power turned on */
+ PCON1 = (PCON1 & ~(0xF << 12)) | (0x1 << 12);
+ PDAT1 |= (1 << 3);
+
+ /* configure PBSTAT (P1.4) as input */
+ PCON1 &= ~(0xF << 16);
+
+ /* configure CHRG (P5.7) as input to monitor charging state */
+ PCON5 &= ~(0xF << 28);
+
+ /* enable USB2.0 function controller to allow VBUS monitoring */
+ PWRCON &= ~(1 << 15);
+}
+
+#if CONFIG_CHARGING
+unsigned int power_input_status(void)
+{
+ /* check VBUS in the USB2.0 function controller */
+ if (TR & (1 << 15)) {
+ return POWER_INPUT_USB;
+ }
+
+ return POWER_INPUT_NONE;
+}
+
+bool charging_state(void)
+{
+ /* CHRG pin goes low when charging */
+ return ((PDAT5 & (1 << 7)) == 0);
+}
+#endif /* CONFIG_CHARGING */
+
+#if CONFIG_TUNER
+static bool tuner_on = false;
+
+bool tuner_power(bool status)
+{
+ if (status != tuner_on)
+ {
+ tuner_on = status;
+ status = !status;
+ }
+
+ return status;
+}
+
+bool tuner_powered(void)
+{
+ return tuner_on; /* No debug info */
+}
+#endif /* CONFIG_TUNER */
+