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author | Solomon Peachy <pizza@shaftnet.org> | 2020-07-15 19:40:55 -0400 |
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committer | Solomon Peachy <pizza@shaftnet.org> | 2020-07-24 21:20:13 +0000 |
commit | 092c340a2062fa98b7387fc5fd63578ddae7d0b6 (patch) | |
tree | 98ec96946eeb2ae709cb0528cc6998e21bb9b290 /firmware/drivers/tuner/s1a0903x01.c | |
parent | 17f7cc92c258bc456a27c3e7c5a19c9409851879 (diff) | |
download | rockbox-092c340a2062fa98b7387fc5fd63578ddae7d0b6.tar.gz rockbox-092c340a2062fa98b7387fc5fd63578ddae7d0b6.zip |
[1/4] Remove SH support and all archos targets
This removes all code specific to SH targets
Change-Id: I7980523785d2596e65c06430f4638eec74a06061
Diffstat (limited to 'firmware/drivers/tuner/s1a0903x01.c')
-rw-r--r-- | firmware/drivers/tuner/s1a0903x01.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/firmware/drivers/tuner/s1a0903x01.c b/firmware/drivers/tuner/s1a0903x01.c deleted file mode 100644 index 91d1319fb5..0000000000 --- a/firmware/drivers/tuner/s1a0903x01.c +++ /dev/null | |||
@@ -1,179 +0,0 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * Tuner "middleware" for Samsung S1A0903X01 chip | ||
10 | * | ||
11 | * Copyright (C) 2003 Linus Nielsen Feltzing | ||
12 | * | ||
13 | * This program is free software; you can redistribute it and/or | ||
14 | * modify it under the terms of the GNU General Public License | ||
15 | * as published by the Free Software Foundation; either version 2 | ||
16 | * of the License, or (at your option) any later version. | ||
17 | * | ||
18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
19 | * KIND, either express or implied. | ||
20 | * | ||
21 | ****************************************************************************/ | ||
22 | |||
23 | #include <stdbool.h> | ||
24 | #include <stdlib.h> | ||
25 | #include "config.h" | ||
26 | #include "kernel.h" | ||
27 | #include "tuner.h" /* tuner abstraction interface */ | ||
28 | #include "fmradio.h" /* physical interface driver */ | ||
29 | #include "sound.h" | ||
30 | #include "mas35xx.h" | ||
31 | #include "power.h" | ||
32 | |||
33 | #define DEFAULT_IN1 0x100003 /* Mute */ | ||
34 | #define DEFAULT_IN2 0x140884 /* 5kHz, 7.2MHz crystal */ | ||
35 | #define PLL_FREQ_STEP 10000 | ||
36 | |||
37 | static int fm_in1; | ||
38 | static int fm_in2; | ||
39 | static int fm_present = -1; /* unknown */ | ||
40 | |||
41 | /* tuner abstraction layer: set something to the tuner */ | ||
42 | int s1a0903x01_set(int setting, int value) | ||
43 | { | ||
44 | int val = 1; | ||
45 | |||
46 | switch(setting) | ||
47 | { | ||
48 | case RADIO_SLEEP: | ||
49 | if (!value) | ||
50 | { | ||
51 | tuner_power(true); | ||
52 | /* wakeup: just unit */ | ||
53 | fm_in1 = DEFAULT_IN1; | ||
54 | fm_in2 = DEFAULT_IN2; | ||
55 | fmradio_set(1, fm_in1); | ||
56 | fmradio_set(2, fm_in2); | ||
57 | } | ||
58 | else | ||
59 | tuner_power(false); | ||
60 | /* else we have no sleep mode? */ | ||
61 | break; | ||
62 | |||
63 | case RADIO_FREQUENCY: | ||
64 | { | ||
65 | int pll_cnt; | ||
66 | #if CONFIG_CODEC == MAS3587F | ||
67 | /* Shift the MAS internal clock away for certain frequencies to | ||
68 | * avoid interference. */ | ||
69 | int pitch = 1000; | ||
70 | |||
71 | /* 4th harmonic falls in the FM frequency range */ | ||
72 | int if_freq = 4 * mas_get_pllfreq(); | ||
73 | |||
74 | /* shift the mas harmonic >= 300 kHz away using the direction | ||
75 | * which needs less shifting. */ | ||
76 | if (value < if_freq) | ||
77 | { | ||
78 | if (if_freq - value < 300000) | ||
79 | pitch = 1003 - (if_freq - value) / 100000; | ||
80 | } | ||
81 | else | ||
82 | { | ||
83 | if (value - if_freq < 300000) | ||
84 | pitch = 997 + (value - if_freq) / 100000; | ||
85 | } | ||
86 | sound_set_pitch(pitch); | ||
87 | #endif | ||
88 | /* We add the standard Intermediate Frequency 10.7MHz | ||
89 | ** before calculating the divisor | ||
90 | ** The reference frequency is set to 50kHz, and the VCO | ||
91 | ** output is prescaled by 2. | ||
92 | */ | ||
93 | |||
94 | pll_cnt = (value + 10700000) / (PLL_FREQ_STEP/2) / 2; | ||
95 | |||
96 | /* 0x100000 == FM mode | ||
97 | ** 0x000002 == Microprocessor controlled Mute | ||
98 | */ | ||
99 | fm_in1 = (fm_in1 & 0xfff00007) | (pll_cnt << 3); | ||
100 | fmradio_set(1, fm_in1); | ||
101 | break; | ||
102 | } | ||
103 | |||
104 | case RADIO_SCAN_FREQUENCY: | ||
105 | /* Tune in and delay */ | ||
106 | s1a0903x01_set(RADIO_FREQUENCY, value); | ||
107 | sleep(1); | ||
108 | /* Start IF measurement */ | ||
109 | fm_in1 |= 4; | ||
110 | fmradio_set(1, fm_in1); | ||
111 | sleep(1); | ||
112 | val = s1a0903x01_get(RADIO_TUNED); | ||
113 | break; | ||
114 | |||
115 | case RADIO_MUTE: | ||
116 | fm_in1 = (fm_in1 & 0xfffffffe) | (value?1:0); | ||
117 | fmradio_set(1, fm_in1); | ||
118 | break; | ||
119 | |||
120 | case RADIO_FORCE_MONO: | ||
121 | fm_in2 = (fm_in2 & 0xfffffffb) | (value?0:4); | ||
122 | fmradio_set(2, fm_in2); | ||
123 | break; | ||
124 | /* NOTE: These were only zeroed when starting the tuner from OFF | ||
125 | but the default values already set them to 0. */ | ||
126 | #if 0 | ||
127 | case S1A0903X01_IF_MEASUREMENT: | ||
128 | fm_in1 = (fm_in1 & 0xfffffffb) | (value?4:0); | ||
129 | fmradio_set(1, fm_in1); | ||
130 | break; | ||
131 | |||
132 | case S1A0903X01_SENSITIVITY: | ||
133 | fm_in2 = (fm_in2 & 0xffff9fff) | ((value & 3) << 13); | ||
134 | fmradio_set(2, fm_in2); | ||
135 | break; | ||
136 | #endif | ||
137 | default: | ||
138 | val = -1; | ||
139 | } | ||
140 | |||
141 | return val; | ||
142 | } | ||
143 | |||
144 | /* tuner abstraction layer: read something from the tuner */ | ||
145 | int s1a0903x01_get(int setting) | ||
146 | { | ||
147 | int val = -1; | ||
148 | switch(setting) | ||
149 | { | ||
150 | case RADIO_PRESENT: | ||
151 | if (fm_present == -1) | ||
152 | { | ||
153 | #ifdef HAVE_TUNER_PWR_CTRL | ||
154 | bool fmstatus = tuner_power(true); | ||
155 | #endif | ||
156 | /* 5kHz, 7.2MHz crystal, test mode 1 */ | ||
157 | fmradio_set(2, 0x140885); | ||
158 | fm_present = (fmradio_read(0) == 0x140885); | ||
159 | #ifdef HAVE_TUNER_PWR_CTRL | ||
160 | if (!fmstatus) | ||
161 | tuner_power(false); | ||
162 | #endif | ||
163 | } | ||
164 | |||
165 | val = fm_present; | ||
166 | break; | ||
167 | |||
168 | case RADIO_TUNED: | ||
169 | val = fmradio_read(3); | ||
170 | val = abs(10700 - ((val & 0x7ffff) / 8)) < 50; /* convert to kHz */ | ||
171 | break; | ||
172 | |||
173 | case RADIO_STEREO: | ||
174 | val = fmradio_read(3); | ||
175 | val = ((val & 0x100000) ? true : false); | ||
176 | break; | ||
177 | } | ||
178 | return val; | ||
179 | } | ||