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author | Bertrik Sikken <bertrik@sikken.nl> | 2009-07-12 14:32:38 +0000 |
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committer | Bertrik Sikken <bertrik@sikken.nl> | 2009-07-12 14:32:38 +0000 |
commit | 59b9e3ab3f64c17aaf093f0031a5e93ea5120170 (patch) | |
tree | 2e4789ef5f946ae85a4b229a644cfda31fb370c3 /firmware/target/arm/s5l8700/power-meizu.c | |
parent | f9e7a5ad39e73d189a7aa927c46d826490d20a2d (diff) | |
download | rockbox-59b9e3ab3f64c17aaf093f0031a5e93ea5120170.tar.gz rockbox-59b9e3ab3f64c17aaf093f0031a5e93ea5120170.zip |
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/target/arm/s5l8700/power-meizu.c')
-rw-r--r-- | firmware/target/arm/s5l8700/power-meizu.c | 92 |
1 files changed, 92 insertions, 0 deletions
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 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright © 2009 Bertrik Sikken | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | #include <stdbool.h> | ||
22 | #include "config.h" | ||
23 | #include "inttypes.h" | ||
24 | #include "s5l8700.h" | ||
25 | #include "power.h" | ||
26 | |||
27 | /* Power handling for S5L8700 based Meizu players | ||
28 | |||
29 | The M3 and M6 players appear to use the same pins for power, USB detection | ||
30 | and charging status. | ||
31 | */ | ||
32 | |||
33 | void power_off(void) | ||
34 | { | ||
35 | /* take down PWRON_M (P1.3) */ | ||
36 | PDAT1 &= ~(1 << 3); | ||
37 | } | ||
38 | |||
39 | void power_init(void) | ||
40 | { | ||
41 | /* configure PWRON_M (P1.3) as output and set it to keep power turned on */ | ||
42 | PCON1 = (PCON1 & ~(0xF << 12)) | (0x1 << 12); | ||
43 | PDAT1 |= (1 << 3); | ||
44 | |||
45 | /* configure PBSTAT (P1.4) as input */ | ||
46 | PCON1 &= ~(0xF << 16); | ||
47 | |||
48 | /* configure CHRG (P5.7) as input to monitor charging state */ | ||
49 | PCON5 &= ~(0xF << 28); | ||
50 | |||
51 | /* enable USB2.0 function controller to allow VBUS monitoring */ | ||
52 | PWRCON &= ~(1 << 15); | ||
53 | } | ||
54 | |||
55 | #if CONFIG_CHARGING | ||
56 | unsigned int power_input_status(void) | ||
57 | { | ||
58 | /* check VBUS in the USB2.0 function controller */ | ||
59 | if (TR & (1 << 15)) { | ||
60 | return POWER_INPUT_USB; | ||
61 | } | ||
62 | |||
63 | return POWER_INPUT_NONE; | ||
64 | } | ||
65 | |||
66 | bool charging_state(void) | ||
67 | { | ||
68 | /* CHRG pin goes low when charging */ | ||
69 | return ((PDAT5 & (1 << 7)) == 0); | ||
70 | } | ||
71 | #endif /* CONFIG_CHARGING */ | ||
72 | |||
73 | #if CONFIG_TUNER | ||
74 | static bool tuner_on = false; | ||
75 | |||
76 | bool tuner_power(bool status) | ||
77 | { | ||
78 | if (status != tuner_on) | ||
79 | { | ||
80 | tuner_on = status; | ||
81 | status = !status; | ||
82 | } | ||
83 | |||
84 | return status; | ||
85 | } | ||
86 | |||
87 | bool tuner_powered(void) | ||
88 | { | ||
89 | return tuner_on; /* No debug info */ | ||
90 | } | ||
91 | #endif /* CONFIG_TUNER */ | ||
92 | |||