root / hw / wm8750.c @ a6307b08
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1 | adb86c37 | balrog | /*
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2 | adb86c37 | balrog | * WM8750 audio CODEC.
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3 | adb86c37 | balrog | *
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4 | adb86c37 | balrog | * Copyright (c) 2006 Openedhand Ltd.
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5 | adb86c37 | balrog | * Written by Andrzej Zaborowski <balrog@zabor.org>
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6 | adb86c37 | balrog | *
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7 | adb86c37 | balrog | * This file is licensed under GNU GPL.
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8 | adb86c37 | balrog | */
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9 | adb86c37 | balrog | |
10 | 87ecb68b | pbrook | #include "hw.h" |
11 | 87ecb68b | pbrook | #include "i2c.h" |
12 | 87ecb68b | pbrook | #include "audio/audio.h" |
13 | adb86c37 | balrog | |
14 | adb86c37 | balrog | #define IN_PORT_N 3 |
15 | adb86c37 | balrog | #define OUT_PORT_N 3 |
16 | adb86c37 | balrog | |
17 | adb86c37 | balrog | #define CODEC "wm8750" |
18 | adb86c37 | balrog | |
19 | bc24a225 | Paul Brook | typedef struct { |
20 | bc24a225 | Paul Brook | int adc;
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21 | bc24a225 | Paul Brook | int adc_hz;
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22 | bc24a225 | Paul Brook | int dac;
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23 | bc24a225 | Paul Brook | int dac_hz;
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24 | bc24a225 | Paul Brook | } WMRate; |
25 | bc24a225 | Paul Brook | |
26 | bc24a225 | Paul Brook | typedef struct { |
27 | adb86c37 | balrog | i2c_slave i2c; |
28 | adb86c37 | balrog | uint8_t i2c_data[2];
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29 | adb86c37 | balrog | int i2c_len;
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30 | adb86c37 | balrog | QEMUSoundCard card; |
31 | adb86c37 | balrog | SWVoiceIn *adc_voice[IN_PORT_N]; |
32 | adb86c37 | balrog | SWVoiceOut *dac_voice[OUT_PORT_N]; |
33 | adb86c37 | balrog | int enable;
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34 | adb86c37 | balrog | void (*data_req)(void *, int, int); |
35 | adb86c37 | balrog | void *opaque;
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36 | adb86c37 | balrog | uint8_t data_in[4096];
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37 | adb86c37 | balrog | uint8_t data_out[4096];
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38 | adb86c37 | balrog | int idx_in, req_in;
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39 | adb86c37 | balrog | int idx_out, req_out;
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40 | adb86c37 | balrog | |
41 | adb86c37 | balrog | SWVoiceOut **out[2];
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42 | adb86c37 | balrog | uint8_t outvol[7], outmute[2]; |
43 | adb86c37 | balrog | SWVoiceIn **in[2];
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44 | adb86c37 | balrog | uint8_t invol[4], inmute[2]; |
45 | adb86c37 | balrog | |
46 | adb86c37 | balrog | uint8_t diff[2], pol, ds, monomix[2], alc, mute; |
47 | adb86c37 | balrog | uint8_t path[4], mpath[2], power, format; |
48 | bc24a225 | Paul Brook | const WMRate *rate;
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49 | af83e09e | balrog | int adc_hz, dac_hz, ext_adc_hz, ext_dac_hz, master;
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50 | bc24a225 | Paul Brook | } WM8750State; |
51 | adb86c37 | balrog | |
52 | db502b61 | balrog | /* pow(10.0, -i / 20.0) * 255, i = 0..42 */
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53 | 683efdcb | balrog | static const uint8_t wm8750_vol_db_table[] = { |
54 | 683efdcb | balrog | 255, 227, 203, 181, 161, 143, 128, 114, 102, 90, 81, 72, 64, 57, 51, 45, |
55 | 683efdcb | balrog | 40, 36, 32, 29, 26, 23, 20, 18, 16, 14, 13, 11, 10, 9, 8, 7, 6, 6, 5, 5, |
56 | 683efdcb | balrog | 4, 4, 3, 3, 3, 2, 2 |
57 | 683efdcb | balrog | }; |
58 | 683efdcb | balrog | |
59 | db502b61 | balrog | #define WM8750_OUTVOL_TRANSFORM(x) wm8750_vol_db_table[(0x7f - x) / 3] |
60 | db502b61 | balrog | #define WM8750_INVOL_TRANSFORM(x) (x << 2) |
61 | 683efdcb | balrog | |
62 | bc24a225 | Paul Brook | static inline void wm8750_in_load(WM8750State *s) |
63 | adb86c37 | balrog | { |
64 | adb86c37 | balrog | int acquired;
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65 | adb86c37 | balrog | if (s->idx_in + s->req_in <= sizeof(s->data_in)) |
66 | adb86c37 | balrog | return;
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67 | adb86c37 | balrog | s->idx_in = audio_MAX(0, (int) sizeof(s->data_in) - s->req_in); |
68 | adb86c37 | balrog | acquired = AUD_read(*s->in[0], s->data_in + s->idx_in,
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69 | adb86c37 | balrog | sizeof(s->data_in) - s->idx_in);
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70 | adb86c37 | balrog | } |
71 | adb86c37 | balrog | |
72 | bc24a225 | Paul Brook | static inline void wm8750_out_flush(WM8750State *s) |
73 | adb86c37 | balrog | { |
74 | 523111e7 | balrog | int sent = 0; |
75 | 523111e7 | balrog | while (sent < s->idx_out)
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76 | 523111e7 | balrog | sent += AUD_write(*s->out[0], s->data_out + sent, s->idx_out - sent)
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77 | 523111e7 | balrog | ?: s->idx_out; |
78 | adb86c37 | balrog | s->idx_out = 0;
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79 | adb86c37 | balrog | } |
80 | adb86c37 | balrog | |
81 | adb86c37 | balrog | static void wm8750_audio_in_cb(void *opaque, int avail_b) |
82 | adb86c37 | balrog | { |
83 | bc24a225 | Paul Brook | WM8750State *s = (WM8750State *) opaque; |
84 | adb86c37 | balrog | s->req_in = avail_b; |
85 | adb86c37 | balrog | s->data_req(s->opaque, s->req_out >> 2, avail_b >> 2); |
86 | adb86c37 | balrog | } |
87 | adb86c37 | balrog | |
88 | adb86c37 | balrog | static void wm8750_audio_out_cb(void *opaque, int free_b) |
89 | adb86c37 | balrog | { |
90 | bc24a225 | Paul Brook | WM8750State *s = (WM8750State *) opaque; |
91 | adb86c37 | balrog | |
92 | 523111e7 | balrog | if (s->idx_out >= free_b) {
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93 | 523111e7 | balrog | s->idx_out = free_b; |
94 | 523111e7 | balrog | s->req_out = 0;
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95 | 523111e7 | balrog | wm8750_out_flush(s); |
96 | 523111e7 | balrog | } else
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97 | 523111e7 | balrog | s->req_out = free_b - s->idx_out; |
98 | 523111e7 | balrog | |
99 | 523111e7 | balrog | s->data_req(s->opaque, s->req_out >> 2, s->req_in >> 2); |
100 | adb86c37 | balrog | } |
101 | adb86c37 | balrog | |
102 | bc24a225 | Paul Brook | static const WMRate wm_rate_table[] = { |
103 | adb86c37 | balrog | { 256, 48000, 256, 48000 }, /* SR: 00000 */ |
104 | adb86c37 | balrog | { 384, 48000, 384, 48000 }, /* SR: 00001 */ |
105 | adb86c37 | balrog | { 256, 48000, 1536, 8000 }, /* SR: 00010 */ |
106 | adb86c37 | balrog | { 384, 48000, 2304, 8000 }, /* SR: 00011 */ |
107 | adb86c37 | balrog | { 1536, 8000, 256, 48000 }, /* SR: 00100 */ |
108 | adb86c37 | balrog | { 2304, 8000, 384, 48000 }, /* SR: 00101 */ |
109 | adb86c37 | balrog | { 1536, 8000, 1536, 8000 }, /* SR: 00110 */ |
110 | adb86c37 | balrog | { 2304, 8000, 2304, 8000 }, /* SR: 00111 */ |
111 | adb86c37 | balrog | { 1024, 12000, 1024, 12000 }, /* SR: 01000 */ |
112 | adb86c37 | balrog | { 1526, 12000, 1536, 12000 }, /* SR: 01001 */ |
113 | adb86c37 | balrog | { 768, 16000, 768, 16000 }, /* SR: 01010 */ |
114 | adb86c37 | balrog | { 1152, 16000, 1152, 16000 }, /* SR: 01011 */ |
115 | adb86c37 | balrog | { 384, 32000, 384, 32000 }, /* SR: 01100 */ |
116 | adb86c37 | balrog | { 576, 32000, 576, 32000 }, /* SR: 01101 */ |
117 | adb86c37 | balrog | { 128, 96000, 128, 96000 }, /* SR: 01110 */ |
118 | adb86c37 | balrog | { 192, 96000, 192, 96000 }, /* SR: 01111 */ |
119 | adb86c37 | balrog | { 256, 44100, 256, 44100 }, /* SR: 10000 */ |
120 | adb86c37 | balrog | { 384, 44100, 384, 44100 }, /* SR: 10001 */ |
121 | adb86c37 | balrog | { 256, 44100, 1408, 8018 }, /* SR: 10010 */ |
122 | adb86c37 | balrog | { 384, 44100, 2112, 8018 }, /* SR: 10011 */ |
123 | adb86c37 | balrog | { 1408, 8018, 256, 44100 }, /* SR: 10100 */ |
124 | adb86c37 | balrog | { 2112, 8018, 384, 44100 }, /* SR: 10101 */ |
125 | adb86c37 | balrog | { 1408, 8018, 1408, 8018 }, /* SR: 10110 */ |
126 | adb86c37 | balrog | { 2112, 8018, 2112, 8018 }, /* SR: 10111 */ |
127 | adb86c37 | balrog | { 1024, 11025, 1024, 11025 }, /* SR: 11000 */ |
128 | adb86c37 | balrog | { 1536, 11025, 1536, 11025 }, /* SR: 11001 */ |
129 | adb86c37 | balrog | { 512, 22050, 512, 22050 }, /* SR: 11010 */ |
130 | adb86c37 | balrog | { 768, 22050, 768, 22050 }, /* SR: 11011 */ |
131 | adb86c37 | balrog | { 512, 24000, 512, 24000 }, /* SR: 11100 */ |
132 | adb86c37 | balrog | { 768, 24000, 768, 24000 }, /* SR: 11101 */ |
133 | adb86c37 | balrog | { 128, 88200, 128, 88200 }, /* SR: 11110 */ |
134 | 523111e7 | balrog | { 192, 88200, 192, 88200 }, /* SR: 11111 */ |
135 | adb86c37 | balrog | }; |
136 | adb86c37 | balrog | |
137 | bc24a225 | Paul Brook | static void wm8750_vol_update(WM8750State *s) |
138 | 683efdcb | balrog | { |
139 | 683efdcb | balrog | /* FIXME: multiply all volumes by s->invol[2], s->invol[3] */
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140 | 683efdcb | balrog | |
141 | db502b61 | balrog | AUD_set_volume_in(s->adc_voice[0], s->mute,
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142 | db502b61 | balrog | s->inmute[0] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[0]), |
143 | db502b61 | balrog | s->inmute[1] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[1])); |
144 | db502b61 | balrog | AUD_set_volume_in(s->adc_voice[1], s->mute,
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145 | db502b61 | balrog | s->inmute[0] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[0]), |
146 | db502b61 | balrog | s->inmute[1] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[1])); |
147 | db502b61 | balrog | AUD_set_volume_in(s->adc_voice[2], s->mute,
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148 | db502b61 | balrog | s->inmute[0] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[0]), |
149 | db502b61 | balrog | s->inmute[1] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[1])); |
150 | 683efdcb | balrog | |
151 | 683efdcb | balrog | /* FIXME: multiply all volumes by s->outvol[0], s->outvol[1] */
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152 | 683efdcb | balrog | |
153 | 683efdcb | balrog | /* Speaker: LOUT2VOL ROUT2VOL */
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154 | 683efdcb | balrog | AUD_set_volume_out(s->dac_voice[0], s->mute,
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155 | db502b61 | balrog | s->outmute[0] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[4]), |
156 | db502b61 | balrog | s->outmute[1] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[5])); |
157 | 683efdcb | balrog | |
158 | db502b61 | balrog | /* Headphone: LOUT1VOL ROUT1VOL */
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159 | 683efdcb | balrog | AUD_set_volume_out(s->dac_voice[1], s->mute,
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160 | db502b61 | balrog | s->outmute[0] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[2]), |
161 | db502b61 | balrog | s->outmute[1] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[3])); |
162 | 683efdcb | balrog | |
163 | 683efdcb | balrog | /* MONOOUT: MONOVOL MONOVOL */
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164 | 683efdcb | balrog | AUD_set_volume_out(s->dac_voice[2], s->mute,
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165 | db502b61 | balrog | s->outmute[0] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[6]), |
166 | db502b61 | balrog | s->outmute[1] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[6])); |
167 | 683efdcb | balrog | } |
168 | 683efdcb | balrog | |
169 | bc24a225 | Paul Brook | static void wm8750_set_format(WM8750State *s) |
170 | adb86c37 | balrog | { |
171 | adb86c37 | balrog | int i;
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172 | 1ea879e5 | malc | struct audsettings in_fmt;
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173 | 1ea879e5 | malc | struct audsettings out_fmt;
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174 | 1ea879e5 | malc | struct audsettings monoout_fmt;
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175 | adb86c37 | balrog | |
176 | adb86c37 | balrog | wm8750_out_flush(s); |
177 | adb86c37 | balrog | |
178 | adb86c37 | balrog | if (s->in[0] && *s->in[0]) |
179 | adb86c37 | balrog | AUD_set_active_in(*s->in[0], 0); |
180 | adb86c37 | balrog | if (s->out[0] && *s->out[0]) |
181 | adb86c37 | balrog | AUD_set_active_out(*s->out[0], 0); |
182 | adb86c37 | balrog | |
183 | adb86c37 | balrog | for (i = 0; i < IN_PORT_N; i ++) |
184 | adb86c37 | balrog | if (s->adc_voice[i]) {
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185 | adb86c37 | balrog | AUD_close_in(&s->card, s->adc_voice[i]); |
186 | 511d2b14 | blueswir1 | s->adc_voice[i] = NULL;
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187 | adb86c37 | balrog | } |
188 | adb86c37 | balrog | for (i = 0; i < OUT_PORT_N; i ++) |
189 | adb86c37 | balrog | if (s->dac_voice[i]) {
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190 | adb86c37 | balrog | AUD_close_out(&s->card, s->dac_voice[i]); |
191 | 511d2b14 | blueswir1 | s->dac_voice[i] = NULL;
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192 | adb86c37 | balrog | } |
193 | adb86c37 | balrog | |
194 | adb86c37 | balrog | if (!s->enable)
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195 | adb86c37 | balrog | return;
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196 | adb86c37 | balrog | |
197 | adb86c37 | balrog | /* Setup input */
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198 | adb86c37 | balrog | in_fmt.endianness = 0;
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199 | adb86c37 | balrog | in_fmt.nchannels = 2;
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200 | af83e09e | balrog | in_fmt.freq = s->adc_hz; |
201 | adb86c37 | balrog | in_fmt.fmt = AUD_FMT_S16; |
202 | adb86c37 | balrog | |
203 | adb86c37 | balrog | s->adc_voice[0] = AUD_open_in(&s->card, s->adc_voice[0], |
204 | adb86c37 | balrog | CODEC ".input1", s, wm8750_audio_in_cb, &in_fmt);
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205 | adb86c37 | balrog | s->adc_voice[1] = AUD_open_in(&s->card, s->adc_voice[1], |
206 | adb86c37 | balrog | CODEC ".input2", s, wm8750_audio_in_cb, &in_fmt);
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207 | adb86c37 | balrog | s->adc_voice[2] = AUD_open_in(&s->card, s->adc_voice[2], |
208 | adb86c37 | balrog | CODEC ".input3", s, wm8750_audio_in_cb, &in_fmt);
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209 | adb86c37 | balrog | |
210 | adb86c37 | balrog | /* Setup output */
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211 | adb86c37 | balrog | out_fmt.endianness = 0;
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212 | adb86c37 | balrog | out_fmt.nchannels = 2;
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213 | af83e09e | balrog | out_fmt.freq = s->dac_hz; |
214 | adb86c37 | balrog | out_fmt.fmt = AUD_FMT_S16; |
215 | adb86c37 | balrog | monoout_fmt.endianness = 0;
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216 | adb86c37 | balrog | monoout_fmt.nchannels = 1;
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217 | adb86c37 | balrog | monoout_fmt.freq = s->rate->dac_hz; |
218 | adb86c37 | balrog | monoout_fmt.fmt = AUD_FMT_S16; |
219 | adb86c37 | balrog | |
220 | adb86c37 | balrog | s->dac_voice[0] = AUD_open_out(&s->card, s->dac_voice[0], |
221 | adb86c37 | balrog | CODEC ".speaker", s, wm8750_audio_out_cb, &out_fmt);
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222 | adb86c37 | balrog | s->dac_voice[1] = AUD_open_out(&s->card, s->dac_voice[1], |
223 | adb86c37 | balrog | CODEC ".headphone", s, wm8750_audio_out_cb, &out_fmt);
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224 | adb86c37 | balrog | /* MONOMIX is also in stereo for simplicity */
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225 | adb86c37 | balrog | s->dac_voice[2] = AUD_open_out(&s->card, s->dac_voice[2], |
226 | adb86c37 | balrog | CODEC ".monomix", s, wm8750_audio_out_cb, &out_fmt);
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227 | adb86c37 | balrog | /* no sense emulating OUT3 which is a mix of other outputs */
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228 | adb86c37 | balrog | |
229 | 683efdcb | balrog | wm8750_vol_update(s); |
230 | 683efdcb | balrog | |
231 | adb86c37 | balrog | /* We should connect the left and right channels to their
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232 | adb86c37 | balrog | * respective inputs/outputs but we have completely no need
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233 | adb86c37 | balrog | * for mixing or combining paths to different ports, so we
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234 | adb86c37 | balrog | * connect both channels to where the left channel is routed. */
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235 | adb86c37 | balrog | if (s->in[0] && *s->in[0]) |
236 | adb86c37 | balrog | AUD_set_active_in(*s->in[0], 1); |
237 | adb86c37 | balrog | if (s->out[0] && *s->out[0]) |
238 | adb86c37 | balrog | AUD_set_active_out(*s->out[0], 1); |
239 | adb86c37 | balrog | } |
240 | adb86c37 | balrog | |
241 | bc24a225 | Paul Brook | static void wm8750_clk_update(WM8750State *s, int ext) |
242 | af83e09e | balrog | { |
243 | af83e09e | balrog | if (s->master || !s->ext_dac_hz)
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244 | af83e09e | balrog | s->dac_hz = s->rate->dac_hz; |
245 | af83e09e | balrog | else
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246 | af83e09e | balrog | s->dac_hz = s->ext_dac_hz; |
247 | af83e09e | balrog | |
248 | af83e09e | balrog | if (s->master || !s->ext_adc_hz)
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249 | af83e09e | balrog | s->adc_hz = s->rate->adc_hz; |
250 | af83e09e | balrog | else
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251 | af83e09e | balrog | s->adc_hz = s->ext_adc_hz; |
252 | af83e09e | balrog | |
253 | af83e09e | balrog | if (s->master || (!s->ext_dac_hz && !s->ext_adc_hz)) {
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254 | af83e09e | balrog | if (!ext)
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255 | af83e09e | balrog | wm8750_set_format(s); |
256 | af83e09e | balrog | } else {
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257 | af83e09e | balrog | if (ext)
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258 | af83e09e | balrog | wm8750_set_format(s); |
259 | af83e09e | balrog | } |
260 | af83e09e | balrog | } |
261 | af83e09e | balrog | |
262 | cdbe40ca | Paul Brook | static void wm8750_reset(i2c_slave *i2c) |
263 | adb86c37 | balrog | { |
264 | bc24a225 | Paul Brook | WM8750State *s = (WM8750State *) i2c; |
265 | eb69b50a | balrog | s->rate = &wm_rate_table[0];
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266 | adb86c37 | balrog | s->enable = 0;
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267 | af83e09e | balrog | wm8750_clk_update(s, 1);
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268 | adb86c37 | balrog | s->diff[0] = 0; |
269 | adb86c37 | balrog | s->diff[1] = 0; |
270 | adb86c37 | balrog | s->ds = 0;
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271 | adb86c37 | balrog | s->alc = 0;
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272 | adb86c37 | balrog | s->in[0] = &s->adc_voice[0]; |
273 | adb86c37 | balrog | s->invol[0] = 0x17; |
274 | adb86c37 | balrog | s->invol[1] = 0x17; |
275 | adb86c37 | balrog | s->invol[2] = 0xc3; |
276 | adb86c37 | balrog | s->invol[3] = 0xc3; |
277 | adb86c37 | balrog | s->out[0] = &s->dac_voice[0]; |
278 | adb86c37 | balrog | s->outvol[0] = 0xff; |
279 | adb86c37 | balrog | s->outvol[1] = 0xff; |
280 | adb86c37 | balrog | s->outvol[2] = 0x79; |
281 | adb86c37 | balrog | s->outvol[3] = 0x79; |
282 | adb86c37 | balrog | s->outvol[4] = 0x79; |
283 | adb86c37 | balrog | s->outvol[5] = 0x79; |
284 | db502b61 | balrog | s->outvol[6] = 0x79; |
285 | adb86c37 | balrog | s->inmute[0] = 0; |
286 | adb86c37 | balrog | s->inmute[1] = 0; |
287 | adb86c37 | balrog | s->outmute[0] = 0; |
288 | adb86c37 | balrog | s->outmute[1] = 0; |
289 | adb86c37 | balrog | s->mute = 1;
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290 | adb86c37 | balrog | s->path[0] = 0; |
291 | adb86c37 | balrog | s->path[1] = 0; |
292 | adb86c37 | balrog | s->path[2] = 0; |
293 | adb86c37 | balrog | s->path[3] = 0; |
294 | adb86c37 | balrog | s->mpath[0] = 0; |
295 | adb86c37 | balrog | s->mpath[1] = 0; |
296 | adb86c37 | balrog | s->format = 0x0a;
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297 | adb86c37 | balrog | s->idx_in = sizeof(s->data_in);
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298 | adb86c37 | balrog | s->req_in = 0;
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299 | adb86c37 | balrog | s->idx_out = 0;
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300 | adb86c37 | balrog | s->req_out = 0;
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301 | 683efdcb | balrog | wm8750_vol_update(s); |
302 | adb86c37 | balrog | s->i2c_len = 0;
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303 | adb86c37 | balrog | } |
304 | adb86c37 | balrog | |
305 | adb86c37 | balrog | static void wm8750_event(i2c_slave *i2c, enum i2c_event event) |
306 | adb86c37 | balrog | { |
307 | bc24a225 | Paul Brook | WM8750State *s = (WM8750State *) i2c; |
308 | adb86c37 | balrog | |
309 | adb86c37 | balrog | switch (event) {
|
310 | adb86c37 | balrog | case I2C_START_SEND:
|
311 | adb86c37 | balrog | s->i2c_len = 0;
|
312 | adb86c37 | balrog | break;
|
313 | adb86c37 | balrog | case I2C_FINISH:
|
314 | adb86c37 | balrog | #ifdef VERBOSE
|
315 | adb86c37 | balrog | if (s->i2c_len < 2) |
316 | adb86c37 | balrog | printf("%s: message too short (%i bytes)\n",
|
317 | adb86c37 | balrog | __FUNCTION__, s->i2c_len); |
318 | adb86c37 | balrog | #endif
|
319 | adb86c37 | balrog | break;
|
320 | adb86c37 | balrog | default:
|
321 | adb86c37 | balrog | break;
|
322 | adb86c37 | balrog | } |
323 | adb86c37 | balrog | } |
324 | adb86c37 | balrog | |
325 | adb86c37 | balrog | #define WM8750_LINVOL 0x00 |
326 | adb86c37 | balrog | #define WM8750_RINVOL 0x01 |
327 | adb86c37 | balrog | #define WM8750_LOUT1V 0x02 |
328 | adb86c37 | balrog | #define WM8750_ROUT1V 0x03 |
329 | adb86c37 | balrog | #define WM8750_ADCDAC 0x05 |
330 | adb86c37 | balrog | #define WM8750_IFACE 0x07 |
331 | adb86c37 | balrog | #define WM8750_SRATE 0x08 |
332 | adb86c37 | balrog | #define WM8750_LDAC 0x0a |
333 | adb86c37 | balrog | #define WM8750_RDAC 0x0b |
334 | adb86c37 | balrog | #define WM8750_BASS 0x0c |
335 | adb86c37 | balrog | #define WM8750_TREBLE 0x0d |
336 | adb86c37 | balrog | #define WM8750_RESET 0x0f |
337 | adb86c37 | balrog | #define WM8750_3D 0x10 |
338 | adb86c37 | balrog | #define WM8750_ALC1 0x11 |
339 | adb86c37 | balrog | #define WM8750_ALC2 0x12 |
340 | adb86c37 | balrog | #define WM8750_ALC3 0x13 |
341 | adb86c37 | balrog | #define WM8750_NGATE 0x14 |
342 | adb86c37 | balrog | #define WM8750_LADC 0x15 |
343 | adb86c37 | balrog | #define WM8750_RADC 0x16 |
344 | adb86c37 | balrog | #define WM8750_ADCTL1 0x17 |
345 | adb86c37 | balrog | #define WM8750_ADCTL2 0x18 |
346 | adb86c37 | balrog | #define WM8750_PWR1 0x19 |
347 | adb86c37 | balrog | #define WM8750_PWR2 0x1a |
348 | adb86c37 | balrog | #define WM8750_ADCTL3 0x1b |
349 | adb86c37 | balrog | #define WM8750_ADCIN 0x1f |
350 | adb86c37 | balrog | #define WM8750_LADCIN 0x20 |
351 | adb86c37 | balrog | #define WM8750_RADCIN 0x21 |
352 | adb86c37 | balrog | #define WM8750_LOUTM1 0x22 |
353 | adb86c37 | balrog | #define WM8750_LOUTM2 0x23 |
354 | adb86c37 | balrog | #define WM8750_ROUTM1 0x24 |
355 | adb86c37 | balrog | #define WM8750_ROUTM2 0x25 |
356 | adb86c37 | balrog | #define WM8750_MOUTM1 0x26 |
357 | adb86c37 | balrog | #define WM8750_MOUTM2 0x27 |
358 | adb86c37 | balrog | #define WM8750_LOUT2V 0x28 |
359 | adb86c37 | balrog | #define WM8750_ROUT2V 0x29 |
360 | adb86c37 | balrog | #define WM8750_MOUTV 0x2a |
361 | adb86c37 | balrog | |
362 | adb86c37 | balrog | static int wm8750_tx(i2c_slave *i2c, uint8_t data) |
363 | adb86c37 | balrog | { |
364 | bc24a225 | Paul Brook | WM8750State *s = (WM8750State *) i2c; |
365 | adb86c37 | balrog | uint8_t cmd; |
366 | adb86c37 | balrog | uint16_t value; |
367 | adb86c37 | balrog | |
368 | adb86c37 | balrog | if (s->i2c_len >= 2) { |
369 | adb86c37 | balrog | printf("%s: long message (%i bytes)\n", __FUNCTION__, s->i2c_len);
|
370 | adb86c37 | balrog | #ifdef VERBOSE
|
371 | adb86c37 | balrog | return 1; |
372 | adb86c37 | balrog | #endif
|
373 | adb86c37 | balrog | } |
374 | adb86c37 | balrog | s->i2c_data[s->i2c_len ++] = data; |
375 | adb86c37 | balrog | if (s->i2c_len != 2) |
376 | adb86c37 | balrog | return 0; |
377 | adb86c37 | balrog | |
378 | adb86c37 | balrog | cmd = s->i2c_data[0] >> 1; |
379 | adb86c37 | balrog | value = ((s->i2c_data[0] << 8) | s->i2c_data[1]) & 0x1ff; |
380 | adb86c37 | balrog | |
381 | adb86c37 | balrog | switch (cmd) {
|
382 | adb86c37 | balrog | case WM8750_LADCIN: /* ADC Signal Path Control (Left) */ |
383 | adb86c37 | balrog | s->diff[0] = (((value >> 6) & 3) == 3); /* LINSEL */ |
384 | adb86c37 | balrog | if (s->diff[0]) |
385 | adb86c37 | balrog | s->in[0] = &s->adc_voice[0 + s->ds * 1]; |
386 | adb86c37 | balrog | else
|
387 | adb86c37 | balrog | s->in[0] = &s->adc_voice[((value >> 6) & 3) * 1 + 0]; |
388 | adb86c37 | balrog | break;
|
389 | adb86c37 | balrog | |
390 | adb86c37 | balrog | case WM8750_RADCIN: /* ADC Signal Path Control (Right) */ |
391 | adb86c37 | balrog | s->diff[1] = (((value >> 6) & 3) == 3); /* RINSEL */ |
392 | adb86c37 | balrog | if (s->diff[1]) |
393 | adb86c37 | balrog | s->in[1] = &s->adc_voice[0 + s->ds * 1]; |
394 | adb86c37 | balrog | else
|
395 | adb86c37 | balrog | s->in[1] = &s->adc_voice[((value >> 6) & 3) * 1 + 0]; |
396 | adb86c37 | balrog | break;
|
397 | adb86c37 | balrog | |
398 | adb86c37 | balrog | case WM8750_ADCIN: /* ADC Input Mode */ |
399 | adb86c37 | balrog | s->ds = (value >> 8) & 1; /* DS */ |
400 | adb86c37 | balrog | if (s->diff[0]) |
401 | adb86c37 | balrog | s->in[0] = &s->adc_voice[0 + s->ds * 1]; |
402 | adb86c37 | balrog | if (s->diff[1]) |
403 | adb86c37 | balrog | s->in[1] = &s->adc_voice[0 + s->ds * 1]; |
404 | adb86c37 | balrog | s->monomix[0] = (value >> 6) & 3; /* MONOMIX */ |
405 | adb86c37 | balrog | break;
|
406 | adb86c37 | balrog | |
407 | adb86c37 | balrog | case WM8750_ADCTL1: /* Additional Control (1) */ |
408 | adb86c37 | balrog | s->monomix[1] = (value >> 1) & 1; /* DMONOMIX */ |
409 | adb86c37 | balrog | break;
|
410 | adb86c37 | balrog | |
411 | adb86c37 | balrog | case WM8750_PWR1: /* Power Management (1) */ |
412 | adb86c37 | balrog | s->enable = ((value >> 6) & 7) == 3; /* VMIDSEL, VREF */ |
413 | adb86c37 | balrog | wm8750_set_format(s); |
414 | adb86c37 | balrog | break;
|
415 | adb86c37 | balrog | |
416 | adb86c37 | balrog | case WM8750_LINVOL: /* Left Channel PGA */ |
417 | adb86c37 | balrog | s->invol[0] = value & 0x3f; /* LINVOL */ |
418 | adb86c37 | balrog | s->inmute[0] = (value >> 7) & 1; /* LINMUTE */ |
419 | 683efdcb | balrog | wm8750_vol_update(s); |
420 | adb86c37 | balrog | break;
|
421 | adb86c37 | balrog | |
422 | adb86c37 | balrog | case WM8750_RINVOL: /* Right Channel PGA */ |
423 | adb86c37 | balrog | s->invol[1] = value & 0x3f; /* RINVOL */ |
424 | adb86c37 | balrog | s->inmute[1] = (value >> 7) & 1; /* RINMUTE */ |
425 | 683efdcb | balrog | wm8750_vol_update(s); |
426 | adb86c37 | balrog | break;
|
427 | adb86c37 | balrog | |
428 | adb86c37 | balrog | case WM8750_ADCDAC: /* ADC and DAC Control */ |
429 | adb86c37 | balrog | s->pol = (value >> 5) & 3; /* ADCPOL */ |
430 | adb86c37 | balrog | s->mute = (value >> 3) & 1; /* DACMU */ |
431 | 683efdcb | balrog | wm8750_vol_update(s); |
432 | adb86c37 | balrog | break;
|
433 | adb86c37 | balrog | |
434 | adb86c37 | balrog | case WM8750_ADCTL3: /* Additional Control (3) */ |
435 | adb86c37 | balrog | break;
|
436 | adb86c37 | balrog | |
437 | adb86c37 | balrog | case WM8750_LADC: /* Left ADC Digital Volume */ |
438 | adb86c37 | balrog | s->invol[2] = value & 0xff; /* LADCVOL */ |
439 | db502b61 | balrog | wm8750_vol_update(s); |
440 | adb86c37 | balrog | break;
|
441 | adb86c37 | balrog | |
442 | adb86c37 | balrog | case WM8750_RADC: /* Right ADC Digital Volume */ |
443 | adb86c37 | balrog | s->invol[3] = value & 0xff; /* RADCVOL */ |
444 | db502b61 | balrog | wm8750_vol_update(s); |
445 | adb86c37 | balrog | break;
|
446 | adb86c37 | balrog | |
447 | adb86c37 | balrog | case WM8750_ALC1: /* ALC Control (1) */ |
448 | adb86c37 | balrog | s->alc = (value >> 7) & 3; /* ALCSEL */ |
449 | adb86c37 | balrog | break;
|
450 | adb86c37 | balrog | |
451 | adb86c37 | balrog | case WM8750_NGATE: /* Noise Gate Control */ |
452 | adb86c37 | balrog | case WM8750_3D: /* 3D enhance */ |
453 | adb86c37 | balrog | break;
|
454 | adb86c37 | balrog | |
455 | adb86c37 | balrog | case WM8750_LDAC: /* Left Channel Digital Volume */ |
456 | adb86c37 | balrog | s->outvol[0] = value & 0xff; /* LDACVOL */ |
457 | db502b61 | balrog | wm8750_vol_update(s); |
458 | adb86c37 | balrog | break;
|
459 | adb86c37 | balrog | |
460 | adb86c37 | balrog | case WM8750_RDAC: /* Right Channel Digital Volume */ |
461 | adb86c37 | balrog | s->outvol[1] = value & 0xff; /* RDACVOL */ |
462 | db502b61 | balrog | wm8750_vol_update(s); |
463 | adb86c37 | balrog | break;
|
464 | adb86c37 | balrog | |
465 | adb86c37 | balrog | case WM8750_BASS: /* Bass Control */ |
466 | adb86c37 | balrog | break;
|
467 | adb86c37 | balrog | |
468 | adb86c37 | balrog | case WM8750_LOUTM1: /* Left Mixer Control (1) */ |
469 | adb86c37 | balrog | s->path[0] = (value >> 8) & 1; /* LD2LO */ |
470 | db502b61 | balrog | /* TODO: mute/unmute respective paths */
|
471 | db502b61 | balrog | wm8750_vol_update(s); |
472 | adb86c37 | balrog | break;
|
473 | adb86c37 | balrog | |
474 | adb86c37 | balrog | case WM8750_LOUTM2: /* Left Mixer Control (2) */ |
475 | adb86c37 | balrog | s->path[1] = (value >> 8) & 1; /* RD2LO */ |
476 | db502b61 | balrog | /* TODO: mute/unmute respective paths */
|
477 | db502b61 | balrog | wm8750_vol_update(s); |
478 | adb86c37 | balrog | break;
|
479 | adb86c37 | balrog | |
480 | adb86c37 | balrog | case WM8750_ROUTM1: /* Right Mixer Control (1) */ |
481 | adb86c37 | balrog | s->path[2] = (value >> 8) & 1; /* LD2RO */ |
482 | db502b61 | balrog | /* TODO: mute/unmute respective paths */
|
483 | db502b61 | balrog | wm8750_vol_update(s); |
484 | adb86c37 | balrog | break;
|
485 | adb86c37 | balrog | |
486 | adb86c37 | balrog | case WM8750_ROUTM2: /* Right Mixer Control (2) */ |
487 | adb86c37 | balrog | s->path[3] = (value >> 8) & 1; /* RD2RO */ |
488 | db502b61 | balrog | /* TODO: mute/unmute respective paths */
|
489 | db502b61 | balrog | wm8750_vol_update(s); |
490 | adb86c37 | balrog | break;
|
491 | adb86c37 | balrog | |
492 | adb86c37 | balrog | case WM8750_MOUTM1: /* Mono Mixer Control (1) */ |
493 | adb86c37 | balrog | s->mpath[0] = (value >> 8) & 1; /* LD2MO */ |
494 | db502b61 | balrog | /* TODO: mute/unmute respective paths */
|
495 | db502b61 | balrog | wm8750_vol_update(s); |
496 | adb86c37 | balrog | break;
|
497 | adb86c37 | balrog | |
498 | adb86c37 | balrog | case WM8750_MOUTM2: /* Mono Mixer Control (2) */ |
499 | adb86c37 | balrog | s->mpath[1] = (value >> 8) & 1; /* RD2MO */ |
500 | db502b61 | balrog | /* TODO: mute/unmute respective paths */
|
501 | db502b61 | balrog | wm8750_vol_update(s); |
502 | adb86c37 | balrog | break;
|
503 | adb86c37 | balrog | |
504 | adb86c37 | balrog | case WM8750_LOUT1V: /* LOUT1 Volume */ |
505 | 683efdcb | balrog | s->outvol[2] = value & 0x7f; /* LOUT1VOL */ |
506 | db502b61 | balrog | wm8750_vol_update(s); |
507 | adb86c37 | balrog | break;
|
508 | adb86c37 | balrog | |
509 | adb86c37 | balrog | case WM8750_LOUT2V: /* LOUT2 Volume */ |
510 | adb86c37 | balrog | s->outvol[4] = value & 0x7f; /* LOUT2VOL */ |
511 | 683efdcb | balrog | wm8750_vol_update(s); |
512 | adb86c37 | balrog | break;
|
513 | adb86c37 | balrog | |
514 | adb86c37 | balrog | case WM8750_ROUT1V: /* ROUT1 Volume */ |
515 | 683efdcb | balrog | s->outvol[3] = value & 0x7f; /* ROUT1VOL */ |
516 | db502b61 | balrog | wm8750_vol_update(s); |
517 | adb86c37 | balrog | break;
|
518 | adb86c37 | balrog | |
519 | adb86c37 | balrog | case WM8750_ROUT2V: /* ROUT2 Volume */ |
520 | adb86c37 | balrog | s->outvol[5] = value & 0x7f; /* ROUT2VOL */ |
521 | 683efdcb | balrog | wm8750_vol_update(s); |
522 | adb86c37 | balrog | break;
|
523 | adb86c37 | balrog | |
524 | adb86c37 | balrog | case WM8750_MOUTV: /* MONOOUT Volume */ |
525 | adb86c37 | balrog | s->outvol[6] = value & 0x7f; /* MONOOUTVOL */ |
526 | db502b61 | balrog | wm8750_vol_update(s); |
527 | adb86c37 | balrog | break;
|
528 | adb86c37 | balrog | |
529 | adb86c37 | balrog | case WM8750_ADCTL2: /* Additional Control (2) */ |
530 | adb86c37 | balrog | break;
|
531 | adb86c37 | balrog | |
532 | adb86c37 | balrog | case WM8750_PWR2: /* Power Management (2) */ |
533 | adb86c37 | balrog | s->power = value & 0x7e;
|
534 | db502b61 | balrog | /* TODO: mute/unmute respective paths */
|
535 | db502b61 | balrog | wm8750_vol_update(s); |
536 | adb86c37 | balrog | break;
|
537 | adb86c37 | balrog | |
538 | adb86c37 | balrog | case WM8750_IFACE: /* Digital Audio Interface Format */ |
539 | adb86c37 | balrog | s->format = value; |
540 | af83e09e | balrog | s->master = (value >> 6) & 1; /* MS */ |
541 | af83e09e | balrog | wm8750_clk_update(s, s->master); |
542 | adb86c37 | balrog | break;
|
543 | adb86c37 | balrog | |
544 | adb86c37 | balrog | case WM8750_SRATE: /* Clocking and Sample Rate Control */ |
545 | adb86c37 | balrog | s->rate = &wm_rate_table[(value >> 1) & 0x1f]; |
546 | af83e09e | balrog | wm8750_clk_update(s, 0);
|
547 | adb86c37 | balrog | break;
|
548 | adb86c37 | balrog | |
549 | adb86c37 | balrog | case WM8750_RESET: /* Reset */ |
550 | adb86c37 | balrog | wm8750_reset(&s->i2c); |
551 | adb86c37 | balrog | break;
|
552 | adb86c37 | balrog | |
553 | adb86c37 | balrog | #ifdef VERBOSE
|
554 | adb86c37 | balrog | default:
|
555 | adb86c37 | balrog | printf("%s: unknown register %02x\n", __FUNCTION__, cmd);
|
556 | adb86c37 | balrog | #endif
|
557 | adb86c37 | balrog | } |
558 | adb86c37 | balrog | |
559 | adb86c37 | balrog | return 0; |
560 | adb86c37 | balrog | } |
561 | adb86c37 | balrog | |
562 | adb86c37 | balrog | static int wm8750_rx(i2c_slave *i2c) |
563 | adb86c37 | balrog | { |
564 | adb86c37 | balrog | return 0x00; |
565 | adb86c37 | balrog | } |
566 | adb86c37 | balrog | |
567 | aa941b94 | balrog | static void wm8750_save(QEMUFile *f, void *opaque) |
568 | aa941b94 | balrog | { |
569 | bc24a225 | Paul Brook | WM8750State *s = (WM8750State *) opaque; |
570 | aa941b94 | balrog | int i;
|
571 | aa941b94 | balrog | qemu_put_8s(f, &s->i2c_data[0]);
|
572 | aa941b94 | balrog | qemu_put_8s(f, &s->i2c_data[1]);
|
573 | aa941b94 | balrog | qemu_put_be32(f, s->i2c_len); |
574 | aa941b94 | balrog | qemu_put_be32(f, s->enable); |
575 | aa941b94 | balrog | qemu_put_be32(f, s->idx_in); |
576 | aa941b94 | balrog | qemu_put_be32(f, s->req_in); |
577 | aa941b94 | balrog | qemu_put_be32(f, s->idx_out); |
578 | aa941b94 | balrog | qemu_put_be32(f, s->req_out); |
579 | aa941b94 | balrog | |
580 | aa941b94 | balrog | for (i = 0; i < 7; i ++) |
581 | aa941b94 | balrog | qemu_put_8s(f, &s->outvol[i]); |
582 | aa941b94 | balrog | for (i = 0; i < 2; i ++) |
583 | aa941b94 | balrog | qemu_put_8s(f, &s->outmute[i]); |
584 | aa941b94 | balrog | for (i = 0; i < 4; i ++) |
585 | aa941b94 | balrog | qemu_put_8s(f, &s->invol[i]); |
586 | aa941b94 | balrog | for (i = 0; i < 2; i ++) |
587 | aa941b94 | balrog | qemu_put_8s(f, &s->inmute[i]); |
588 | aa941b94 | balrog | |
589 | aa941b94 | balrog | for (i = 0; i < 2; i ++) |
590 | aa941b94 | balrog | qemu_put_8s(f, &s->diff[i]); |
591 | aa941b94 | balrog | qemu_put_8s(f, &s->pol); |
592 | aa941b94 | balrog | qemu_put_8s(f, &s->ds); |
593 | aa941b94 | balrog | for (i = 0; i < 2; i ++) |
594 | aa941b94 | balrog | qemu_put_8s(f, &s->monomix[i]); |
595 | aa941b94 | balrog | qemu_put_8s(f, &s->alc); |
596 | aa941b94 | balrog | qemu_put_8s(f, &s->mute); |
597 | aa941b94 | balrog | for (i = 0; i < 4; i ++) |
598 | aa941b94 | balrog | qemu_put_8s(f, &s->path[i]); |
599 | aa941b94 | balrog | for (i = 0; i < 2; i ++) |
600 | aa941b94 | balrog | qemu_put_8s(f, &s->mpath[i]); |
601 | aa941b94 | balrog | qemu_put_8s(f, &s->format); |
602 | aa941b94 | balrog | qemu_put_8s(f, &s->power); |
603 | aa941b94 | balrog | qemu_put_byte(f, (s->rate - wm_rate_table) / sizeof(*s->rate));
|
604 | aa941b94 | balrog | i2c_slave_save(f, &s->i2c); |
605 | aa941b94 | balrog | } |
606 | aa941b94 | balrog | |
607 | aa941b94 | balrog | static int wm8750_load(QEMUFile *f, void *opaque, int version_id) |
608 | aa941b94 | balrog | { |
609 | bc24a225 | Paul Brook | WM8750State *s = (WM8750State *) opaque; |
610 | aa941b94 | balrog | int i;
|
611 | aa941b94 | balrog | qemu_get_8s(f, &s->i2c_data[0]);
|
612 | aa941b94 | balrog | qemu_get_8s(f, &s->i2c_data[1]);
|
613 | aa941b94 | balrog | s->i2c_len = qemu_get_be32(f); |
614 | aa941b94 | balrog | s->enable = qemu_get_be32(f); |
615 | aa941b94 | balrog | s->idx_in = qemu_get_be32(f); |
616 | aa941b94 | balrog | s->req_in = qemu_get_be32(f); |
617 | aa941b94 | balrog | s->idx_out = qemu_get_be32(f); |
618 | aa941b94 | balrog | s->req_out = qemu_get_be32(f); |
619 | aa941b94 | balrog | |
620 | aa941b94 | balrog | for (i = 0; i < 7; i ++) |
621 | aa941b94 | balrog | qemu_get_8s(f, &s->outvol[i]); |
622 | aa941b94 | balrog | for (i = 0; i < 2; i ++) |
623 | aa941b94 | balrog | qemu_get_8s(f, &s->outmute[i]); |
624 | aa941b94 | balrog | for (i = 0; i < 4; i ++) |
625 | aa941b94 | balrog | qemu_get_8s(f, &s->invol[i]); |
626 | aa941b94 | balrog | for (i = 0; i < 2; i ++) |
627 | aa941b94 | balrog | qemu_get_8s(f, &s->inmute[i]); |
628 | aa941b94 | balrog | |
629 | aa941b94 | balrog | for (i = 0; i < 2; i ++) |
630 | aa941b94 | balrog | qemu_get_8s(f, &s->diff[i]); |
631 | aa941b94 | balrog | qemu_get_8s(f, &s->pol); |
632 | aa941b94 | balrog | qemu_get_8s(f, &s->ds); |
633 | aa941b94 | balrog | for (i = 0; i < 2; i ++) |
634 | aa941b94 | balrog | qemu_get_8s(f, &s->monomix[i]); |
635 | aa941b94 | balrog | qemu_get_8s(f, &s->alc); |
636 | aa941b94 | balrog | qemu_get_8s(f, &s->mute); |
637 | aa941b94 | balrog | for (i = 0; i < 4; i ++) |
638 | aa941b94 | balrog | qemu_get_8s(f, &s->path[i]); |
639 | aa941b94 | balrog | for (i = 0; i < 2; i ++) |
640 | aa941b94 | balrog | qemu_get_8s(f, &s->mpath[i]); |
641 | aa941b94 | balrog | qemu_get_8s(f, &s->format); |
642 | aa941b94 | balrog | qemu_get_8s(f, &s->power); |
643 | aa941b94 | balrog | s->rate = &wm_rate_table[(uint8_t) qemu_get_byte(f) & 0x1f];
|
644 | aa941b94 | balrog | i2c_slave_load(f, &s->i2c); |
645 | aa941b94 | balrog | return 0; |
646 | aa941b94 | balrog | } |
647 | aa941b94 | balrog | |
648 | cdbe40ca | Paul Brook | static void wm8750_init(i2c_slave *i2c) |
649 | adb86c37 | balrog | { |
650 | cdbe40ca | Paul Brook | WM8750State *s = FROM_I2C_SLAVE(WM8750State, i2c); |
651 | adb86c37 | balrog | |
652 | 1a7dafce | malc | AUD_register_card(CODEC, &s->card); |
653 | adb86c37 | balrog | wm8750_reset(&s->i2c); |
654 | adb86c37 | balrog | |
655 | 18be5187 | pbrook | register_savevm(CODEC, -1, 0, wm8750_save, wm8750_load, s); |
656 | adb86c37 | balrog | } |
657 | adb86c37 | balrog | |
658 | 523111e7 | balrog | #if 0
|
659 | 9596ebb7 | pbrook | static void wm8750_fini(i2c_slave *i2c)
|
660 | adb86c37 | balrog | {
|
661 | bc24a225 | Paul Brook | WM8750State *s = (WM8750State *) i2c;
|
662 | adb86c37 | balrog | wm8750_reset(&s->i2c);
|
663 | adb86c37 | balrog | AUD_remove_card(&s->card);
|
664 | adb86c37 | balrog | qemu_free(s);
|
665 | adb86c37 | balrog | }
|
666 | 523111e7 | balrog | #endif
|
667 | adb86c37 | balrog | |
668 | cdbe40ca | Paul Brook | void wm8750_data_req_set(DeviceState *dev,
|
669 | adb86c37 | balrog | void (*data_req)(void *, int, int), void *opaque) |
670 | adb86c37 | balrog | { |
671 | cdbe40ca | Paul Brook | WM8750State *s = FROM_I2C_SLAVE(WM8750State, I2C_SLAVE_FROM_QDEV(dev)); |
672 | adb86c37 | balrog | s->data_req = data_req; |
673 | adb86c37 | balrog | s->opaque = opaque; |
674 | adb86c37 | balrog | } |
675 | adb86c37 | balrog | |
676 | adb86c37 | balrog | void wm8750_dac_dat(void *opaque, uint32_t sample) |
677 | adb86c37 | balrog | { |
678 | bc24a225 | Paul Brook | WM8750State *s = (WM8750State *) opaque; |
679 | af83e09e | balrog | |
680 | 683efdcb | balrog | *(uint32_t *) &s->data_out[s->idx_out] = sample; |
681 | adb86c37 | balrog | s->req_out -= 4;
|
682 | adb86c37 | balrog | s->idx_out += 4;
|
683 | adb86c37 | balrog | if (s->idx_out >= sizeof(s->data_out) || s->req_out <= 0) |
684 | adb86c37 | balrog | wm8750_out_flush(s); |
685 | adb86c37 | balrog | } |
686 | adb86c37 | balrog | |
687 | 662caa6f | balrog | void *wm8750_dac_buffer(void *opaque, int samples) |
688 | 662caa6f | balrog | { |
689 | bc24a225 | Paul Brook | WM8750State *s = (WM8750State *) opaque; |
690 | 662caa6f | balrog | /* XXX: Should check if there are <i>samples</i> free samples available */
|
691 | 662caa6f | balrog | void *ret = s->data_out + s->idx_out;
|
692 | 662caa6f | balrog | |
693 | 662caa6f | balrog | s->idx_out += samples << 2;
|
694 | 662caa6f | balrog | s->req_out -= samples << 2;
|
695 | 662caa6f | balrog | return ret;
|
696 | 662caa6f | balrog | } |
697 | 662caa6f | balrog | |
698 | 662caa6f | balrog | void wm8750_dac_commit(void *opaque) |
699 | 662caa6f | balrog | { |
700 | bc24a225 | Paul Brook | WM8750State *s = (WM8750State *) opaque; |
701 | 662caa6f | balrog | |
702 | 7442511c | blueswir1 | wm8750_out_flush(s); |
703 | 662caa6f | balrog | } |
704 | 662caa6f | balrog | |
705 | adb86c37 | balrog | uint32_t wm8750_adc_dat(void *opaque)
|
706 | adb86c37 | balrog | { |
707 | bc24a225 | Paul Brook | WM8750State *s = (WM8750State *) opaque; |
708 | adb86c37 | balrog | uint32_t *data; |
709 | af83e09e | balrog | |
710 | adb86c37 | balrog | if (s->idx_in >= sizeof(s->data_in)) |
711 | adb86c37 | balrog | wm8750_in_load(s); |
712 | af83e09e | balrog | |
713 | adb86c37 | balrog | data = (uint32_t *) &s->data_in[s->idx_in]; |
714 | adb86c37 | balrog | s->req_in -= 4;
|
715 | adb86c37 | balrog | s->idx_in += 4;
|
716 | 683efdcb | balrog | return *data;
|
717 | adb86c37 | balrog | } |
718 | af83e09e | balrog | |
719 | b0f74c87 | balrog | void wm8750_set_bclk_in(void *opaque, int new_hz) |
720 | af83e09e | balrog | { |
721 | bc24a225 | Paul Brook | WM8750State *s = (WM8750State *) opaque; |
722 | af83e09e | balrog | |
723 | b0f74c87 | balrog | s->ext_adc_hz = new_hz; |
724 | b0f74c87 | balrog | s->ext_dac_hz = new_hz; |
725 | af83e09e | balrog | wm8750_clk_update(s, 1);
|
726 | af83e09e | balrog | } |
727 | cdbe40ca | Paul Brook | |
728 | cdbe40ca | Paul Brook | static I2CSlaveInfo wm8750_info = {
|
729 | 074f2fff | Gerd Hoffmann | .qdev.name = "wm8750",
|
730 | 074f2fff | Gerd Hoffmann | .qdev.size = sizeof(WM8750State),
|
731 | cdbe40ca | Paul Brook | .init = wm8750_init, |
732 | cdbe40ca | Paul Brook | .event = wm8750_event, |
733 | cdbe40ca | Paul Brook | .recv = wm8750_rx, |
734 | cdbe40ca | Paul Brook | .send = wm8750_tx |
735 | cdbe40ca | Paul Brook | }; |
736 | cdbe40ca | Paul Brook | |
737 | cdbe40ca | Paul Brook | static void wm8750_register_devices(void) |
738 | cdbe40ca | Paul Brook | { |
739 | 074f2fff | Gerd Hoffmann | i2c_register_slave(&wm8750_info); |
740 | cdbe40ca | Paul Brook | } |
741 | cdbe40ca | Paul Brook | |
742 | cdbe40ca | Paul Brook | device_init(wm8750_register_devices) |