diff options
author | Solomon Peachy <pizza@shaftnet.org> | 2018-06-28 06:24:26 -0400 |
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committer | Michael Giacomelli <giac2000@hotmail.com> | 2018-07-28 10:56:31 -0400 |
commit | 0662793ca0050e823cd1207cc4689a1cba5068bd (patch) | |
tree | 08cd2ec59c9044c96b697b5bf8d0640841d044e0 /firmware/target/mips/ingenic_jz47xx/xduoo_x3/sadc-xduoo_x3.c | |
parent | b3e2bd619b1b7ea94ef29d32db48e80b347a1990 (diff) | |
download | rockbox-0662793ca0050e823cd1207cc4689a1cba5068bd.tar.gz rockbox-0662793ca0050e823cd1207cc4689a1cba5068bd.zip |
Add cleaned-up xDuoo X3 support
Cleaned up, rebased, and forward-ported from the xvortex fork.
(original credit to vsoftster@gmail.com)
Change-Id: Ibcc023a0271ea81e901450a88317708c2683236d
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Diffstat (limited to 'firmware/target/mips/ingenic_jz47xx/xduoo_x3/sadc-xduoo_x3.c')
-rw-r--r-- | firmware/target/mips/ingenic_jz47xx/xduoo_x3/sadc-xduoo_x3.c | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/firmware/target/mips/ingenic_jz47xx/xduoo_x3/sadc-xduoo_x3.c b/firmware/target/mips/ingenic_jz47xx/xduoo_x3/sadc-xduoo_x3.c new file mode 100644 index 0000000000..d4a3548305 --- /dev/null +++ b/firmware/target/mips/ingenic_jz47xx/xduoo_x3/sadc-xduoo_x3.c | |||
@@ -0,0 +1,214 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2016 by Roman Stolyarov | ||
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 "system.h" | ||
24 | #include "cpu.h" | ||
25 | #include "button.h" | ||
26 | #include "button-target.h" | ||
27 | #include "powermgmt.h" | ||
28 | #include "kernel.h" | ||
29 | #include "backlight.h" | ||
30 | #include "logf.h" | ||
31 | #include "adc.h" | ||
32 | |||
33 | #define PIN_BTN_POWER (32*0+30) | ||
34 | #define PIN_BTN_HOLD (32*1+15) | ||
35 | |||
36 | #define PIN_KEY_INT (32*4+13) | ||
37 | #define KEY_INT_IRQ GPIO141 | ||
38 | |||
39 | #define PIN_CHARGE_CON (32*1+7) | ||
40 | |||
41 | #define PIN_PH_DECT (32*1+11) | ||
42 | #define IRQ_PH_DECT GPIO_IRQ(PIN_PH_DECT) | ||
43 | #define GPIO_PH_DECT GPIO43 | ||
44 | |||
45 | #define PIN_LO_DECT (32*1+12) | ||
46 | #define IRQ_LO_DECT GPIO_IRQ(PIN_LO_DECT) | ||
47 | #define GPIO_LO_DECT GPIO44 | ||
48 | |||
49 | static volatile unsigned short bat_val,key_val; | ||
50 | |||
51 | bool headphones_inserted(void) | ||
52 | { | ||
53 | return (__gpio_get_pin(PIN_PH_DECT) != 0); | ||
54 | } | ||
55 | |||
56 | void button_init_device(void) | ||
57 | { | ||
58 | key_val = 0xfff; | ||
59 | |||
60 | __gpio_as_input(PIN_BTN_POWER); | ||
61 | __gpio_as_input(PIN_BTN_HOLD); | ||
62 | |||
63 | __gpio_disable_pull(PIN_BTN_POWER); | ||
64 | __gpio_disable_pull(PIN_BTN_HOLD); | ||
65 | |||
66 | __gpio_as_irq_fall_edge(PIN_KEY_INT); | ||
67 | system_enable_irq(GPIO_IRQ(PIN_KEY_INT)); | ||
68 | |||
69 | __gpio_set_pin(PIN_CHARGE_CON); /* 0.7 A */ | ||
70 | __gpio_as_output(PIN_CHARGE_CON); | ||
71 | |||
72 | __gpio_as_input(PIN_LO_DECT); | ||
73 | __gpio_as_input(PIN_PH_DECT); | ||
74 | |||
75 | __gpio_disable_pull(PIN_LO_DECT); | ||
76 | __gpio_disable_pull(PIN_PH_DECT); | ||
77 | } | ||
78 | |||
79 | bool button_hold(void) | ||
80 | { | ||
81 | return (__gpio_get_pin(PIN_BTN_HOLD) ? true : false); | ||
82 | } | ||
83 | |||
84 | int button_read_device(void) | ||
85 | { | ||
86 | static bool hold_button = false; | ||
87 | bool hold_button_old; | ||
88 | |||
89 | hold_button_old = hold_button; | ||
90 | hold_button = (__gpio_get_pin(PIN_BTN_HOLD) ? true : false); | ||
91 | |||
92 | int btn = BUTTON_NONE; | ||
93 | bool gpio_btn = (__gpio_get_pin(PIN_BTN_POWER) ? false : true); | ||
94 | |||
95 | REG_SADC_ADCFG = ADCFG_VBAT_SEL + ADCFG_CMD_AUX(1); | ||
96 | REG_SADC_ADENA = ADENA_VBATEN + ADENA_AUXEN; | ||
97 | |||
98 | #ifndef BOOTLOADER | ||
99 | if (hold_button != hold_button_old) { | ||
100 | backlight_hold_changed(hold_button); | ||
101 | } | ||
102 | if (hold_button) { | ||
103 | return BUTTON_NONE; | ||
104 | } | ||
105 | #endif | ||
106 | |||
107 | if (gpio_btn) | ||
108 | btn |= BUTTON_POWER; | ||
109 | |||
110 | if (key_val < 261) | ||
111 | btn |= BUTTON_VOL_UP; | ||
112 | else | ||
113 | if (key_val < 653) | ||
114 | btn |= BUTTON_VOL_DOWN; | ||
115 | else | ||
116 | if (key_val < 1101) | ||
117 | btn |= BUTTON_PREV; | ||
118 | else | ||
119 | if (key_val < 1498) | ||
120 | btn |= BUTTON_NEXT; | ||
121 | else | ||
122 | if (key_val < 1839) | ||
123 | btn |= BUTTON_PLAY; | ||
124 | else | ||
125 | if (key_val < 2213) | ||
126 | btn |= BUTTON_OPTION; | ||
127 | else | ||
128 | if (key_val < 2600) | ||
129 | btn |= BUTTON_HOME; | ||
130 | |||
131 | return btn; | ||
132 | } | ||
133 | |||
134 | /* called on button press interrupt */ | ||
135 | void KEY_INT_IRQ(void) | ||
136 | { | ||
137 | } | ||
138 | |||
139 | const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] = | ||
140 | { | ||
141 | /* 5% */ | ||
142 | 3634 | ||
143 | }; | ||
144 | |||
145 | const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] = | ||
146 | { | ||
147 | /* 0% */ | ||
148 | 3300 | ||
149 | }; | ||
150 | |||
151 | |||
152 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */ | ||
153 | const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] = | ||
154 | { | ||
155 | { 3300, 3652, 3704, 3730, 3753, 3786, 3836, 3906, 3973, 4061, 4160 } | ||
156 | }; | ||
157 | |||
158 | #if CONFIG_CHARGING | ||
159 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */ | ||
160 | const unsigned short percent_to_volt_charge[11] = | ||
161 | { 3300, 3652, 3704, 3730, 3753, 3786, 3836, 3906, 3973, 4061, 4160 }; | ||
162 | #endif /* CONFIG_CHARGING */ | ||
163 | |||
164 | /* VBAT = (BDATA/1024) * 2.5V */ | ||
165 | #define BATTERY_SCALE_FACTOR 2460 | ||
166 | |||
167 | /* Returns battery voltage from ADC [millivolts] */ | ||
168 | int _battery_voltage(void) | ||
169 | { | ||
170 | return (bat_val*BATTERY_SCALE_FACTOR)>>10; | ||
171 | } | ||
172 | |||
173 | void adc_init(void) | ||
174 | { | ||
175 | bat_val = 0xfff; | ||
176 | |||
177 | __cpm_start_sadc(); | ||
178 | mdelay(10); | ||
179 | REG_SADC_ADENA = 0; /* Power Up */ | ||
180 | mdelay(70); | ||
181 | REG_SADC_ADSTATE = 0; | ||
182 | REG_SADC_ADCTRL = ADCTRL_MASK_ALL - ADCTRL_ARDYM - ADCTRL_VRDYM; | ||
183 | REG_SADC_ADCFG = ADCFG_VBAT_SEL + ADCFG_CMD_AUX(1); | ||
184 | REG_SADC_ADCLK = (4 << 16) | (1 << 8) | 59; /* 200KHz */ | ||
185 | system_enable_irq(IRQ_SADC); | ||
186 | } | ||
187 | |||
188 | void adc_close(void) | ||
189 | { | ||
190 | REG_SADC_ADENA = ADENA_POWER; /* Power Down */ | ||
191 | __intc_mask_irq(IRQ_SADC); | ||
192 | mdelay(20); | ||
193 | __cpm_stop_sadc(); | ||
194 | } | ||
195 | |||
196 | /* Interrupt handler */ | ||
197 | void SADC(void) | ||
198 | { | ||
199 | unsigned char state; | ||
200 | unsigned char sadcstate; | ||
201 | |||
202 | sadcstate = REG_SADC_ADSTATE; | ||
203 | state = REG_SADC_ADSTATE & (~REG_SADC_ADCTRL); | ||
204 | REG_SADC_ADSTATE &= sadcstate; | ||
205 | |||
206 | if(state & ADCTRL_ARDYM) | ||
207 | { | ||
208 | key_val = REG_SADC_ADADAT; | ||
209 | } | ||
210 | if(state & ADCTRL_VRDYM) | ||
211 | { | ||
212 | bat_val = REG_SADC_ADVDAT; | ||
213 | } | ||
214 | } | ||