Rockbox open source high quality audio player as a Music Player Daemon
mpris
rockbox
mpd
libadwaita
audio
rust
zig
deno
FS#12094 - RDA5802 tuner: clean up register 0x4 handling, drop implicitly enabled soft-mute by Stephan Grossklass and me
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29959 a1c6a512-1295-4272-9138-f99709370657
+23
-19
+23
-19
firmware/drivers/tuner/rda5802.c
+23
-19
firmware/drivers/tuner/rda5802.c
···
44
44
#define SYSCONFIG1 0x4
45
45
#define SYSCONFIG2 0x5
46
46
#define SYSCONFIG3 0x6
47
-
47
+
#define SYSCONFIG4 0x7 /* undocumented */
48
+
#define SYSCONFIG5 0x8 /* undocumented */
49
+
#define SYSCONFIG6 0x9 /* undocumented */
48
50
#define READCHAN 0xA
49
51
#define STATUSRSSI 0xB
50
52
#define IDENT 0xC
···
76
78
77
79
/* SYSCONFIG1 (0x4) */
78
80
#define SYSCONFIG1_DE (0x1 << 11)
79
-
#define SYSCONFIG1_SMUTE (0x1 << 9)
81
+
#define SYSCONFIG1_SOFTMUTE_EN (0x1 << 9)
80
82
81
83
/* SYSCONFIG2 (0x5) */
82
84
#define SYSCONFIG2_VOLUME (0xF << 0)
···
92
94
#define STATUSRSSI_RSSIr(x) (((x) & STATUSRSSI_RSSI) >> 9)
93
95
#define STATUSRSSI_FM_TRUE (0x1 << 8)
94
96
95
-
static const uint16_t initvals[16] = {
96
-
0x0000, 0x0000, 0xC401, 0x1B80,
97
-
0x0400, 0x866F, 0x8000, 0x4712,
98
-
0x5EC6, 0x0000, 0x406E, 0x2D80,
99
-
0x5803, 0x5804, 0x5804, 0x5804
100
-
};
101
-
102
97
static bool tuner_present = false;
103
-
static uint16_t cache[16];
98
+
99
+
static uint16_t cache[16] = {
100
+
[POWERCFG] = 0xC401, /* DHIZ, DMUTE, CLK_DIRECT_MODE, ENABLE */
101
+
[CHANNEL] = 0x0000, /* - */
102
+
[SYSCONFIG1] = 0x0200, /* SYSCONFIG1_SOFTMUTE_EN */
103
+
[SYSCONFIG2] = 0x867F, /* INT_MODE (def), SEEKTH=1100b, LNA_PORT_SEL=LNAN,
104
+
LNA_ICSEL=3.0mA, VOLUME=max */
105
+
[SYSCONFIG3] = 0x8000, /* I2S slave mode */
106
+
[SYSCONFIG4] = 0x4712, /* undocumented, affects stereo blend */
107
+
[SYSCONFIG5] = 0x5EC6, /* undocumented */
108
+
[SYSCONFIG6] = 0x0000 /* undocumented */
109
+
};
104
110
105
111
/* reads <len> registers from radio at offset 0x0A into cache */
106
112
static void rda5802_read(int len)
107
113
{
108
114
int i;
109
-
unsigned char buf[128];
115
+
unsigned char buf[sizeof(cache)];
110
116
unsigned char *ptr = buf;
111
117
uint16_t data;
112
118
···
122
128
static void rda5802_write(int len)
123
129
{
124
130
int i;
125
-
unsigned char buf[64];
131
+
unsigned char buf[sizeof(cache)];
126
132
unsigned char *ptr = buf;
127
133
uint16_t data;
128
134
···
186
192
if (rda5802_detect()) {
187
193
tuner_present = true;
188
194
189
-
// soft-reset
190
-
rda5802_write_reg(POWERCFG, POWERCFG_SOFT_RESET);
195
+
/* soft-reset */
196
+
rda5802_write_set(POWERCFG, POWERCFG_SOFT_RESET);
191
197
rda5802_write(1);
198
+
rda5802_write_clear(POWERCFG, POWERCFG_SOFT_RESET);
192
199
sleep(HZ * 10 / 1000);
193
200
194
-
// write initialisation values
195
-
memcpy(cache, initvals, sizeof(cache));
196
-
rda5802_write(14);
201
+
/* write initialisation values */
202
+
rda5802_write(8);
197
203
sleep(HZ * 70 / 1000);
198
204
}
199
205
}
···
284
290
case RADIO_MUTE:
285
291
rda5802_write_masked(POWERCFG, value ? 0 : POWERCFG_DMUTE,
286
292
POWERCFG_DMUTE);
287
-
rda5802_write_masked(SYSCONFIG1, (3 << 9), (3 << 9));
288
-
rda5802_write_set(SYSCONFIG2, SYSCONFIG2_VOLUME);
289
293
rda5802_write_cache();
290
294
break;
291
295