1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "sh7034.h"
#include <stdbool.h>
#include "config.h"
#include "adc.h"
#include "kernel.h"
#include "system.h"
#include "power.h"
#include "hwcompat.h"
#ifdef HAVE_CHARGE_CTRL
bool charger_enabled;
#endif
#ifdef CONFIG_TUNER
static int fmstatus = 0;
void radio_set_status(int status)
{
fmstatus = status;
#ifdef HAVE_TUNER_PWR_CTRL
if (status)
{
and_b(~0x04, &PADRL); /* drive PA2 low for tuner enable */
sleep(1); /* let the voltage settle */
}
else
or_b(0x04, &PADRL); /* drive PA2 high for tuner disable */
#endif
}
int radio_get_status(void)
{
return fmstatus;
}
#endif /* #ifdef CONFIG_TUNER */
#ifndef SIMULATOR
void power_init(void)
{
#ifdef HAVE_CHARGE_CTRL
or_b(0x20, &PBIORL); /* Set charging control bit to output */
charger_enable(false); /* Default to charger OFF */
#endif
#ifdef HAVE_TUNER_PWR_CTRL
PACR2 &= ~0x0030; /* GPIO for PA2 */
or_b(0x04, &PADRL); /* drive PA2 high for tuner disable */
or_b(0x04, &PAIORL); /* output for PA2 */
#endif
}
bool charger_inserted(void)
{
#ifdef HAVE_CHARGING
#ifdef HAVE_CHARGE_CTRL
/* Recorder */
return adc_read(ADC_EXT_POWER) > 0x100;
#else
#ifdef HAVE_FMADC
/* FM or V2, can also charge from the USB port */
return (adc_read(ADC_CHARGE_REGULATOR) < 0x1FF) ||
(adc_read(ADC_USB_POWER) < 0x1FF);
#else
/* Player */
return (PADR & 1) == 0;
#endif /* HAVE_FMADC */
#endif /* HAVE_CHARGE_CTRL */
#else
/* Ondio */
return false;
#endif /* HAVE_CHARGING */
}
void charger_enable(bool on)
{
(void)on;
#ifdef HAVE_CHARGE_CTRL
if(on)
{
and_b(~0x20, &PBDRL);
charger_enabled = 1;
}
else
{
or_b(0x20, &PBDRL);
charger_enabled = 0;
}
#endif
}
#ifndef HAVE_MMC
void ide_power_enable(bool on)
{
(void)on;
bool touched = false;
#ifdef NEEDS_ATA_POWER_ON
if(on)
{
#ifdef ATA_POWER_PLAYERSTYLE
if (is_new_player())
{
or_b(0x10, &PBDRL);
touched = true;
}
#else
or_b(0x20, &PADRL);
touched = true;
#endif
}
#endif
#ifdef HAVE_ATA_POWER_OFF
if(!on)
{
#ifdef ATA_POWER_PLAYERSTYLE
if (is_new_player())
{
and_b(~0x10, &PBDRL);
touched = true;
}
#else
and_b(~0x20, &PADRL);
touched = true;
#endif
}
#endif
/* late port preparation, else problems with read/modify/write
of other bits on same port, while input and floating high */
if (touched)
{
#ifdef ATA_POWER_PLAYERSTYLE
or_b(0x10, &PBIORL); /* PB4 is an output */
PBCR2 &= ~0x0300; /* GPIO for PB4 */
#else
or_b(0x20, &PAIORL); /* PA5 is an output */
PACR2 &= 0xFBFF; /* GPIO for PA5 */
#endif
}
}
#endif /* !HAVE_MMC */
bool ide_powered(void)
{
#if defined(NEEDS_ATA_POWER_ON) || defined(HAVE_ATA_POWER_OFF)
#ifdef ATA_POWER_PLAYERSTYLE
if (is_new_player())
{
if ((PBCR2 & 0x0300) || !(PBIOR & 0x0010)) /* not configured for output */
return false; /* would be floating low, disk off */
else
return (PBDR & 0x0010) != 0;
}
else
return true; /* old player: always on */
#else
if ((PACR2 & 0x0400) || !(PAIOR & 0x0020)) /* not configured for output */
return true; /* would be floating high, disk on */
else
return (PADR & 0x0020) != 0;
#endif /* ATA_POWER_PLAYERSTYLE */
#else
return true; /* pretend always powered if not controlable */
#endif
}
void power_off(void)
{
set_irq_level(HIGHEST_IRQ_LEVEL);
#ifdef HAVE_POWEROFF_ON_PBDR
and_b(~0x10, &PBDRL);
or_b(0x10, &PBIORL);
#elif defined(HAVE_POWEROFF_ON_PB5)
and_b(~0x20, &PBDRL);
or_b(0x20, &PBIORL);
#else
/* Disable the backlight */
and_b(~0x40, &PAIORH);
and_b(~0x08, &PADRH);
or_b(0x08, &PAIORH);
#endif
while(1);
}
#else
bool charger_inserted(void)
{
return false;
}
void charger_enable(bool on)
{
(void)on;
}
void power_off(void)
{
}
void ide_power_enable(bool on)
{
(void)on;
}
#endif /* SIMULATOR */
|
