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author | Maurus Cuelenaere <mcuelenaere@gmail.com> | 2008-09-05 15:09:40 +0000 |
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committer | Maurus Cuelenaere <mcuelenaere@gmail.com> | 2008-09-05 15:09:40 +0000 |
commit | e1446381675be454d91081a2db1d275129970556 (patch) | |
tree | fdaaab97282d3c5e339840a13c29311fa6085fd9 /firmware/target/mips/ingenic_jz47xx/onda_vx767/backlight-ondavx767.c | |
parent | e0646947c9d36d5095659939f73294c2b425fda8 (diff) | |
download | rockbox-e1446381675be454d91081a2db1d275129970556.tar.gz rockbox-e1446381675be454d91081a2db1d275129970556.zip |
Add Onda VX767 target
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18422 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/mips/ingenic_jz47xx/onda_vx767/backlight-ondavx767.c')
-rw-r--r-- | firmware/target/mips/ingenic_jz47xx/onda_vx767/backlight-ondavx767.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/firmware/target/mips/ingenic_jz47xx/onda_vx767/backlight-ondavx767.c b/firmware/target/mips/ingenic_jz47xx/onda_vx767/backlight-ondavx767.c new file mode 100644 index 0000000000..9deab7712a --- /dev/null +++ b/firmware/target/mips/ingenic_jz47xx/onda_vx767/backlight-ondavx767.c | |||
@@ -0,0 +1,80 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2008 by Maurus Cuelenaere | ||
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 | |||
22 | #include "config.h" | ||
23 | #include "jz4740.h" | ||
24 | #include "backlight-target.h" | ||
25 | |||
26 | #define GPIO_PWM 123 | ||
27 | #define PWM_CHN 7 | ||
28 | #define PWM_FULL 101 | ||
29 | |||
30 | static void set_backlight(int unk, int val) | ||
31 | { | ||
32 | if(val == 0) | ||
33 | __gpio_as_pwm7(); | ||
34 | else | ||
35 | { | ||
36 | REG_TCU_TCSR(7) |= 2; | ||
37 | REG_TCU_TCSR(7) &= ~0x100; | ||
38 | int tmp; | ||
39 | tmp = (unk/2 + __cpm_get_rtcclk()) / unk; | ||
40 | if(tmp > 0xFFFF) | ||
41 | tmp = 0xFFFF; | ||
42 | |||
43 | __tcu_set_half_data(7, (tmp * unk * 1374389535) >> 5); | ||
44 | __tcu_set_full_data(7, tmp); | ||
45 | |||
46 | REG_TCU_TSCR = (1 << 7); | ||
47 | REG_TCU_TESR = (1 << 7); | ||
48 | |||
49 | __tcu_enable_pwm_output(7); | ||
50 | } | ||
51 | __tcu_set_count(7, 0); | ||
52 | } | ||
53 | |||
54 | bool _backlight_init(void) | ||
55 | { | ||
56 | __gpio_as_pwm7(); | ||
57 | |||
58 | __tcu_stop_counter(7); | ||
59 | __tcu_disable_pwm_output(7); | ||
60 | |||
61 | set_backlight(300, 7); | ||
62 | |||
63 | return true; | ||
64 | } | ||
65 | void _backlight_on(void) | ||
66 | { | ||
67 | set_backlight(300, 7); | ||
68 | } | ||
69 | void _backlight_off(void) | ||
70 | { | ||
71 | set_backlight(300, 0); | ||
72 | } | ||
73 | |||
74 | #ifdef HAVE_BACKLIGHT_BRIGHTNESS | ||
75 | void _backlight_set_brightness(int brightness) | ||
76 | { | ||
77 | (void)brightness; | ||
78 | return; | ||
79 | } | ||
80 | #endif | ||