1 // SPDX-License-Identifier: GPL-2.0-or-later 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* 2 /*
3 * Copyright (c) by Jaroslav Kysela <perex@pe 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 */ 4 */
5 5
6 #include <linux/delay.h> 6 #include <linux/delay.h>
7 #include <linux/interrupt.h> 7 #include <linux/interrupt.h>
8 #include <linux/time.h> 8 #include <linux/time.h>
9 #include <sound/core.h> 9 #include <sound/core.h>
10 #include <sound/gus.h> 10 #include <sound/gus.h>
11 11
12 extern int snd_gf1_synth_init(struct snd_gus_c 12 extern int snd_gf1_synth_init(struct snd_gus_card * gus);
13 extern void snd_gf1_synth_done(struct snd_gus_ 13 extern void snd_gf1_synth_done(struct snd_gus_card * gus);
14 14
15 /* 15 /*
16 * ok.. default interrupt handlers... 16 * ok.. default interrupt handlers...
17 */ 17 */
18 18
19 static void snd_gf1_default_interrupt_handler_ 19 static void snd_gf1_default_interrupt_handler_midi_out(struct snd_gus_card * gus)
20 { 20 {
21 snd_gf1_uart_cmd(gus, gus->gf1.uart_cm 21 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd &= ~0x20);
22 } 22 }
23 23
24 static void snd_gf1_default_interrupt_handler_ 24 static void snd_gf1_default_interrupt_handler_midi_in(struct snd_gus_card * gus)
25 { 25 {
26 snd_gf1_uart_cmd(gus, gus->gf1.uart_cm 26 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd &= ~0x80);
27 } 27 }
28 28
29 static void snd_gf1_default_interrupt_handler_ 29 static void snd_gf1_default_interrupt_handler_timer1(struct snd_gus_card * gus)
30 { 30 {
31 snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOU 31 snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, gus->gf1.timer_enabled &= ~4);
32 } 32 }
33 33
34 static void snd_gf1_default_interrupt_handler_ 34 static void snd_gf1_default_interrupt_handler_timer2(struct snd_gus_card * gus)
35 { 35 {
36 snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOU 36 snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, gus->gf1.timer_enabled &= ~8);
37 } 37 }
38 38
39 static void snd_gf1_default_interrupt_handler_ 39 static void snd_gf1_default_interrupt_handler_wave_and_volume(struct snd_gus_card * gus, struct snd_gus_voice * voice)
40 { 40 {
41 snd_gf1_i_ctrl_stop(gus, 0x00); 41 snd_gf1_i_ctrl_stop(gus, 0x00);
42 snd_gf1_i_ctrl_stop(gus, 0x0d); 42 snd_gf1_i_ctrl_stop(gus, 0x0d);
43 } 43 }
44 44
45 static void snd_gf1_default_interrupt_handler_ 45 static void snd_gf1_default_interrupt_handler_dma_write(struct snd_gus_card * gus)
46 { 46 {
47 snd_gf1_i_write8(gus, 0x41, 0x00); 47 snd_gf1_i_write8(gus, 0x41, 0x00);
48 } 48 }
49 49
50 static void snd_gf1_default_interrupt_handler_ 50 static void snd_gf1_default_interrupt_handler_dma_read(struct snd_gus_card * gus)
51 { 51 {
52 snd_gf1_i_write8(gus, 0x49, 0x00); 52 snd_gf1_i_write8(gus, 0x49, 0x00);
53 } 53 }
54 54
55 void snd_gf1_set_default_handlers(struct snd_g 55 void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what)
56 { 56 {
57 if (what & SNDRV_GF1_HANDLER_MIDI_OUT) 57 if (what & SNDRV_GF1_HANDLER_MIDI_OUT)
58 gus->gf1.interrupt_handler_mid 58 gus->gf1.interrupt_handler_midi_out = snd_gf1_default_interrupt_handler_midi_out;
59 if (what & SNDRV_GF1_HANDLER_MIDI_IN) 59 if (what & SNDRV_GF1_HANDLER_MIDI_IN)
60 gus->gf1.interrupt_handler_mid 60 gus->gf1.interrupt_handler_midi_in = snd_gf1_default_interrupt_handler_midi_in;
61 if (what & SNDRV_GF1_HANDLER_TIMER1) 61 if (what & SNDRV_GF1_HANDLER_TIMER1)
62 gus->gf1.interrupt_handler_tim 62 gus->gf1.interrupt_handler_timer1 = snd_gf1_default_interrupt_handler_timer1;
63 if (what & SNDRV_GF1_HANDLER_TIMER2) 63 if (what & SNDRV_GF1_HANDLER_TIMER2)
64 gus->gf1.interrupt_handler_tim 64 gus->gf1.interrupt_handler_timer2 = snd_gf1_default_interrupt_handler_timer2;
65 if (what & SNDRV_GF1_HANDLER_VOICE) { 65 if (what & SNDRV_GF1_HANDLER_VOICE) {
66 struct snd_gus_voice *voice; 66 struct snd_gus_voice *voice;
67 67
68 voice = &gus->gf1.voices[what 68 voice = &gus->gf1.voices[what & 0xffff];
69 voice->handler_wave = 69 voice->handler_wave =
70 voice->handler_volume = snd_gf 70 voice->handler_volume = snd_gf1_default_interrupt_handler_wave_and_volume;
71 voice->handler_effect = NULL; 71 voice->handler_effect = NULL;
72 voice->volume_change = NULL; 72 voice->volume_change = NULL;
73 } 73 }
74 if (what & SNDRV_GF1_HANDLER_DMA_WRITE 74 if (what & SNDRV_GF1_HANDLER_DMA_WRITE)
75 gus->gf1.interrupt_handler_dma 75 gus->gf1.interrupt_handler_dma_write = snd_gf1_default_interrupt_handler_dma_write;
76 if (what & SNDRV_GF1_HANDLER_DMA_READ) 76 if (what & SNDRV_GF1_HANDLER_DMA_READ)
77 gus->gf1.interrupt_handler_dma 77 gus->gf1.interrupt_handler_dma_read = snd_gf1_default_interrupt_handler_dma_read;
78 } 78 }
79 79
80 /* 80 /*
81 81
82 */ 82 */
83 83
84 static void snd_gf1_clear_regs(struct snd_gus_ 84 static void snd_gf1_clear_regs(struct snd_gus_card * gus)
85 { 85 {
86 unsigned long flags; 86 unsigned long flags;
87 87
88 spin_lock_irqsave(&gus->reg_lock, flag 88 spin_lock_irqsave(&gus->reg_lock, flags);
89 inb(GUSP(gus, IRQSTAT)); 89 inb(GUSP(gus, IRQSTAT));
90 snd_gf1_write8(gus, 0x41, 0); /* DRA 90 snd_gf1_write8(gus, 0x41, 0); /* DRAM DMA Control Register */
91 snd_gf1_write8(gus, 0x45, 0); /* Tim 91 snd_gf1_write8(gus, 0x45, 0); /* Timer Control */
92 snd_gf1_write8(gus, 0x49, 0); /* Sam 92 snd_gf1_write8(gus, 0x49, 0); /* Sampling Control Register */
93 spin_unlock_irqrestore(&gus->reg_lock, 93 spin_unlock_irqrestore(&gus->reg_lock, flags);
94 } 94 }
95 95
96 static void snd_gf1_look_regs(struct snd_gus_c 96 static void snd_gf1_look_regs(struct snd_gus_card * gus)
97 { 97 {
98 unsigned long flags; 98 unsigned long flags;
99 99
100 spin_lock_irqsave(&gus->reg_lock, flag 100 spin_lock_irqsave(&gus->reg_lock, flags);
101 snd_gf1_look8(gus, 0x41); /* DRA 101 snd_gf1_look8(gus, 0x41); /* DRAM DMA Control Register */
102 snd_gf1_look8(gus, 0x49); /* Sam 102 snd_gf1_look8(gus, 0x49); /* Sampling Control Register */
103 inb(GUSP(gus, IRQSTAT)); 103 inb(GUSP(gus, IRQSTAT));
104 snd_gf1_read8(gus, 0x0f); /* IRQ 104 snd_gf1_read8(gus, 0x0f); /* IRQ Source Register */
105 spin_unlock_irqrestore(&gus->reg_lock, 105 spin_unlock_irqrestore(&gus->reg_lock, flags);
106 } 106 }
107 107
108 /* 108 /*
109 * put selected GF1 voices to initial stage.. 109 * put selected GF1 voices to initial stage...
110 */ 110 */
111 111
112 void snd_gf1_smart_stop_voice(struct snd_gus_c 112 void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice)
113 { 113 {
114 unsigned long flags; 114 unsigned long flags;
115 115
116 spin_lock_irqsave(&gus->reg_lock, flag 116 spin_lock_irqsave(&gus->reg_lock, flags);
117 snd_gf1_select_voice(gus, voice); 117 snd_gf1_select_voice(gus, voice);
118 #if 0 118 #if 0
119 dev_dbg(gus->card->dev, 119 dev_dbg(gus->card->dev,
120 " -%i- smart stop voice - volu 120 " -%i- smart stop voice - volume = 0x%x\n",
121 voice, snd_gf1_i_read16(gus, S 121 voice, snd_gf1_i_read16(gus, SNDRV_GF1_VW_VOLUME));
122 #endif 122 #endif
123 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_AD 123 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL);
124 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VO 124 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
125 spin_unlock_irqrestore(&gus->reg_lock, 125 spin_unlock_irqrestore(&gus->reg_lock, flags);
126 } 126 }
127 127
128 void snd_gf1_stop_voice(struct snd_gus_card * 128 void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice)
129 { 129 {
130 unsigned long flags; 130 unsigned long flags;
131 131
132 spin_lock_irqsave(&gus->reg_lock, flag 132 spin_lock_irqsave(&gus->reg_lock, flags);
133 snd_gf1_select_voice(gus, voice); 133 snd_gf1_select_voice(gus, voice);
134 #if 0 134 #if 0
135 dev_dbg(gus->card->dev, 135 dev_dbg(gus->card->dev,
136 " -%i- stop voice - volume = 0 136 " -%i- stop voice - volume = 0x%x\n",
137 voice, snd_gf1_i_read16(gus, S 137 voice, snd_gf1_i_read16(gus, SNDRV_GF1_VW_VOLUME));
138 #endif 138 #endif
139 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_AD 139 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL);
140 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VO 140 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
141 if (gus->gf1.enh_mode) 141 if (gus->gf1.enh_mode)
142 snd_gf1_write8(gus, SNDRV_GF1_ 142 snd_gf1_write8(gus, SNDRV_GF1_VB_ACCUMULATOR, 0);
143 spin_unlock_irqrestore(&gus->reg_lock, 143 spin_unlock_irqrestore(&gus->reg_lock, flags);
144 #if 0 144 #if 0
145 snd_gf1_lfo_shutdown(gus, voice, ULTRA 145 snd_gf1_lfo_shutdown(gus, voice, ULTRA_LFO_VIBRATO);
146 snd_gf1_lfo_shutdown(gus, voice, ULTRA 146 snd_gf1_lfo_shutdown(gus, voice, ULTRA_LFO_TREMOLO);
147 #endif 147 #endif
148 } 148 }
149 149
150 static void snd_gf1_clear_voices(struct snd_gu 150 static void snd_gf1_clear_voices(struct snd_gus_card * gus, unsigned short v_min,
151 unsigned shor 151 unsigned short v_max)
152 { 152 {
153 unsigned long flags; 153 unsigned long flags;
154 unsigned int daddr; 154 unsigned int daddr;
155 unsigned short i, w_16; 155 unsigned short i, w_16;
156 156
157 daddr = gus->gf1.default_voice_address 157 daddr = gus->gf1.default_voice_address << 4;
158 for (i = v_min; i <= v_max; i++) { 158 for (i = v_min; i <= v_max; i++) {
159 #if 0 159 #if 0
160 if (gus->gf1.syn_voices) 160 if (gus->gf1.syn_voices)
161 gus->gf1.syn_voices[i] 161 gus->gf1.syn_voices[i].flags = ~VFLG_DYNAMIC;
162 #endif 162 #endif
163 spin_lock_irqsave(&gus->reg_lo 163 spin_lock_irqsave(&gus->reg_lock, flags);
164 snd_gf1_select_voice(gus, i); 164 snd_gf1_select_voice(gus, i);
165 snd_gf1_ctrl_stop(gus, SNDRV_G 165 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); /* Voice Control Register = voice stop */
166 snd_gf1_ctrl_stop(gus, SNDRV_G 166 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); /* Volume Ramp Control Register = ramp off */
167 if (gus->gf1.enh_mode) 167 if (gus->gf1.enh_mode)
168 snd_gf1_write8(gus, SN 168 snd_gf1_write8(gus, SNDRV_GF1_VB_MODE, gus->gf1.memory ? 0x02 : 0x82); /* Deactivate voice */
169 w_16 = snd_gf1_read8(gus, SNDR 169 w_16 = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL) & 0x04;
170 snd_gf1_write16(gus, SNDRV_GF1 170 snd_gf1_write16(gus, SNDRV_GF1_VW_FREQUENCY, 0x400);
171 snd_gf1_write_addr(gus, SNDRV_ 171 snd_gf1_write_addr(gus, SNDRV_GF1_VA_START, daddr, w_16);
172 snd_gf1_write_addr(gus, SNDRV_ 172 snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, daddr, w_16);
173 snd_gf1_write8(gus, SNDRV_GF1_ 173 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, 0);
174 snd_gf1_write8(gus, SNDRV_GF1_ 174 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, 0);
175 snd_gf1_write8(gus, SNDRV_GF1_ 175 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 0);
176 snd_gf1_write16(gus, SNDRV_GF1 176 snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, 0);
177 snd_gf1_write_addr(gus, SNDRV_ 177 snd_gf1_write_addr(gus, SNDRV_GF1_VA_CURRENT, daddr, w_16);
178 snd_gf1_write8(gus, SNDRV_GF1_ 178 snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, 7);
179 if (gus->gf1.enh_mode) { 179 if (gus->gf1.enh_mode) {
180 snd_gf1_write8(gus, SN 180 snd_gf1_write8(gus, SNDRV_GF1_VB_ACCUMULATOR, 0);
181 snd_gf1_write16(gus, S 181 snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME, 0);
182 snd_gf1_write16(gus, S 182 snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME_FINAL, 0);
183 } 183 }
184 spin_unlock_irqrestore(&gus->r 184 spin_unlock_irqrestore(&gus->reg_lock, flags);
185 #if 0 185 #if 0
186 snd_gf1_lfo_shutdown(gus, i, U 186 snd_gf1_lfo_shutdown(gus, i, ULTRA_LFO_VIBRATO);
187 snd_gf1_lfo_shutdown(gus, i, U 187 snd_gf1_lfo_shutdown(gus, i, ULTRA_LFO_TREMOLO);
188 #endif 188 #endif
189 } 189 }
190 } 190 }
191 191
192 void snd_gf1_stop_voices(struct snd_gus_card * 192 void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max)
193 { 193 {
194 unsigned long flags; 194 unsigned long flags;
195 short i, ramp_ok; 195 short i, ramp_ok;
196 unsigned short ramp_end; 196 unsigned short ramp_end;
197 197
198 if (!in_interrupt()) { /* this can't 198 if (!in_interrupt()) { /* this can't be done in interrupt */
199 for (i = v_min, ramp_ok = 0; i 199 for (i = v_min, ramp_ok = 0; i <= v_max; i++) {
200 spin_lock_irqsave(&gus 200 spin_lock_irqsave(&gus->reg_lock, flags);
201 snd_gf1_select_voice(g 201 snd_gf1_select_voice(gus, i);
202 ramp_end = snd_gf1_rea 202 ramp_end = snd_gf1_read16(gus, 9) >> 8;
203 if (ramp_end > SNDRV_G 203 if (ramp_end > SNDRV_GF1_MIN_OFFSET) {
204 ramp_ok++; 204 ramp_ok++;
205 snd_gf1_write8 205 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 20); /* ramp rate */
206 snd_gf1_write8 206 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, SNDRV_GF1_MIN_OFFSET); /* ramp start */
207 snd_gf1_write8 207 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, ramp_end); /* ramp end */
208 snd_gf1_write8 208 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, 0x40); /* ramp down */
209 if (gus->gf1.e 209 if (gus->gf1.enh_mode) {
210 snd_gf 210 snd_gf1_delay(gus);
211 snd_gf 211 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, 0x40);
212 } 212 }
213 } 213 }
214 spin_unlock_irqrestore 214 spin_unlock_irqrestore(&gus->reg_lock, flags);
215 } 215 }
216 msleep_interruptible(50); 216 msleep_interruptible(50);
217 } 217 }
218 snd_gf1_clear_voices(gus, v_min, v_max 218 snd_gf1_clear_voices(gus, v_min, v_max);
219 } 219 }
220 220
221 static void snd_gf1_alloc_voice_use(struct snd 221 static void snd_gf1_alloc_voice_use(struct snd_gus_card * gus,
222 struct snd 222 struct snd_gus_voice * pvoice,
223 int type, 223 int type, int client, int port)
224 { 224 {
225 pvoice->use = 1; 225 pvoice->use = 1;
226 switch (type) { 226 switch (type) {
227 case SNDRV_GF1_VOICE_TYPE_PCM: 227 case SNDRV_GF1_VOICE_TYPE_PCM:
228 gus->gf1.pcm_alloc_voices++; 228 gus->gf1.pcm_alloc_voices++;
229 pvoice->pcm = 1; 229 pvoice->pcm = 1;
230 break; 230 break;
231 case SNDRV_GF1_VOICE_TYPE_SYNTH: 231 case SNDRV_GF1_VOICE_TYPE_SYNTH:
232 pvoice->synth = 1; 232 pvoice->synth = 1;
233 pvoice->client = client; 233 pvoice->client = client;
234 pvoice->port = port; 234 pvoice->port = port;
235 break; 235 break;
236 case SNDRV_GF1_VOICE_TYPE_MIDI: 236 case SNDRV_GF1_VOICE_TYPE_MIDI:
237 pvoice->midi = 1; 237 pvoice->midi = 1;
238 pvoice->client = client; 238 pvoice->client = client;
239 pvoice->port = port; 239 pvoice->port = port;
240 break; 240 break;
241 } 241 }
242 } 242 }
243 243
244 struct snd_gus_voice *snd_gf1_alloc_voice(stru 244 struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port)
245 { 245 {
246 struct snd_gus_voice *pvoice; 246 struct snd_gus_voice *pvoice;
247 unsigned long flags; 247 unsigned long flags;
248 int idx; 248 int idx;
249 249
250 spin_lock_irqsave(&gus->voice_alloc, f 250 spin_lock_irqsave(&gus->voice_alloc, flags);
251 if (type == SNDRV_GF1_VOICE_TYPE_PCM) 251 if (type == SNDRV_GF1_VOICE_TYPE_PCM) {
252 if (gus->gf1.pcm_alloc_voices 252 if (gus->gf1.pcm_alloc_voices >= gus->gf1.pcm_channels) {
253 spin_unlock_irqrestore 253 spin_unlock_irqrestore(&gus->voice_alloc, flags);
254 return NULL; 254 return NULL;
255 } 255 }
256 } 256 }
257 for (idx = 0; idx < 32; idx++) { 257 for (idx = 0; idx < 32; idx++) {
258 pvoice = &gus->gf1.voices[idx] 258 pvoice = &gus->gf1.voices[idx];
259 if (!pvoice->use) { 259 if (!pvoice->use) {
260 snd_gf1_alloc_voice_us 260 snd_gf1_alloc_voice_use(gus, pvoice, type, client, port);
261 spin_unlock_irqrestore 261 spin_unlock_irqrestore(&gus->voice_alloc, flags);
262 return pvoice; 262 return pvoice;
263 } 263 }
264 } 264 }
265 for (idx = 0; idx < 32; idx++) { 265 for (idx = 0; idx < 32; idx++) {
266 pvoice = &gus->gf1.voices[idx] 266 pvoice = &gus->gf1.voices[idx];
267 if (pvoice->midi && !pvoice->c 267 if (pvoice->midi && !pvoice->client) {
268 snd_gf1_clear_voices(g 268 snd_gf1_clear_voices(gus, pvoice->number, pvoice->number);
269 snd_gf1_alloc_voice_us 269 snd_gf1_alloc_voice_use(gus, pvoice, type, client, port);
270 spin_unlock_irqrestore 270 spin_unlock_irqrestore(&gus->voice_alloc, flags);
271 return pvoice; 271 return pvoice;
272 } 272 }
273 } 273 }
274 spin_unlock_irqrestore(&gus->voice_all 274 spin_unlock_irqrestore(&gus->voice_alloc, flags);
275 return NULL; 275 return NULL;
276 } 276 }
277 277
278 void snd_gf1_free_voice(struct snd_gus_card * 278 void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice)
279 { 279 {
280 unsigned long flags; 280 unsigned long flags;
281 void (*private_free)(struct snd_gus_vo 281 void (*private_free)(struct snd_gus_voice *voice);
282 282
283 if (voice == NULL || !voice->use) 283 if (voice == NULL || !voice->use)
284 return; 284 return;
285 snd_gf1_set_default_handlers(gus, SNDR 285 snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_VOICE | voice->number);
286 snd_gf1_clear_voices(gus, voice->numbe 286 snd_gf1_clear_voices(gus, voice->number, voice->number);
287 spin_lock_irqsave(&gus->voice_alloc, f 287 spin_lock_irqsave(&gus->voice_alloc, flags);
288 private_free = voice->private_free; 288 private_free = voice->private_free;
289 voice->private_free = NULL; 289 voice->private_free = NULL;
290 voice->private_data = NULL; 290 voice->private_data = NULL;
291 if (voice->pcm) 291 if (voice->pcm)
292 gus->gf1.pcm_alloc_voices--; 292 gus->gf1.pcm_alloc_voices--;
293 voice->use = voice->pcm = 0; 293 voice->use = voice->pcm = 0;
294 voice->sample_ops = NULL; 294 voice->sample_ops = NULL;
295 spin_unlock_irqrestore(&gus->voice_all 295 spin_unlock_irqrestore(&gus->voice_alloc, flags);
296 if (private_free) 296 if (private_free)
297 private_free(voice); 297 private_free(voice);
298 } 298 }
299 299
300 /* 300 /*
301 * call this function only by start of driver 301 * call this function only by start of driver
302 */ 302 */
303 303
304 int snd_gf1_start(struct snd_gus_card * gus) 304 int snd_gf1_start(struct snd_gus_card * gus)
305 { 305 {
306 unsigned long flags; 306 unsigned long flags;
307 unsigned int i; 307 unsigned int i;
308 308
309 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RES 309 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
310 udelay(160); 310 udelay(160);
311 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RES 311 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* disable IRQ & DAC */
312 udelay(160); 312 udelay(160);
313 snd_gf1_i_write8(gus, SNDRV_GF1_GB_JOY 313 snd_gf1_i_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac);
314 314
315 snd_gf1_set_default_handlers(gus, SNDR 315 snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_ALL);
316 for (i = 0; i < 32; i++) { 316 for (i = 0; i < 32; i++) {
317 gus->gf1.voices[i].number = i; 317 gus->gf1.voices[i].number = i;
318 snd_gf1_set_default_handlers(g 318 snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_VOICE | i);
319 } 319 }
320 320
321 snd_gf1_uart_cmd(gus, 0x03); /* huh 321 snd_gf1_uart_cmd(gus, 0x03); /* huh.. this cleanup took me some time... */
322 322
323 if (gus->gf1.enh_mode) { /* enh 323 if (gus->gf1.enh_mode) { /* enhanced mode !!!! */
324 snd_gf1_i_write8(gus, SNDRV_GF 324 snd_gf1_i_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_i_look8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01);
325 snd_gf1_i_write8(gus, SNDRV_GF 325 snd_gf1_i_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);
326 } 326 }
327 snd_gf1_clear_regs(gus); 327 snd_gf1_clear_regs(gus);
328 snd_gf1_select_active_voices(gus); 328 snd_gf1_select_active_voices(gus);
329 snd_gf1_delay(gus); 329 snd_gf1_delay(gus);
330 gus->gf1.default_voice_address = gus-> 330 gus->gf1.default_voice_address = gus->gf1.memory > 0 ? 0 : 512 - 8;
331 /* initialize LFOs & clear LFOs memory 331 /* initialize LFOs & clear LFOs memory */
332 if (gus->gf1.enh_mode && gus->gf1.memo 332 if (gus->gf1.enh_mode && gus->gf1.memory) {
333 gus->gf1.hw_lfo = 1; 333 gus->gf1.hw_lfo = 1;
334 gus->gf1.default_voice_address 334 gus->gf1.default_voice_address += 1024;
335 } else { 335 } else {
336 gus->gf1.sw_lfo = 1; 336 gus->gf1.sw_lfo = 1;
337 } 337 }
338 #if 0 338 #if 0
339 snd_gf1_lfo_init(gus); 339 snd_gf1_lfo_init(gus);
340 #endif 340 #endif
341 if (gus->gf1.memory > 0) 341 if (gus->gf1.memory > 0)
342 for (i = 0; i < 4; i++) 342 for (i = 0; i < 4; i++)
343 snd_gf1_poke(gus, gus- 343 snd_gf1_poke(gus, gus->gf1.default_voice_address + i, 0);
344 snd_gf1_clear_regs(gus); 344 snd_gf1_clear_regs(gus);
345 snd_gf1_clear_voices(gus, 0, 31); 345 snd_gf1_clear_voices(gus, 0, 31);
346 snd_gf1_look_regs(gus); 346 snd_gf1_look_regs(gus);
347 udelay(160); 347 udelay(160);
348 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RES 348 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 7); /* Reset Register = IRQ enable, DAC enable */
349 udelay(160); 349 udelay(160);
350 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RES 350 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 7); /* Reset Register = IRQ enable, DAC enable */
351 if (gus->gf1.enh_mode) { /* enh 351 if (gus->gf1.enh_mode) { /* enhanced mode !!!! */
352 snd_gf1_i_write8(gus, SNDRV_GF 352 snd_gf1_i_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_i_look8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01);
353 snd_gf1_i_write8(gus, SNDRV_GF 353 snd_gf1_i_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);
354 } 354 }
355 while ((snd_gf1_i_read8(gus, SNDRV_GF1 355 while ((snd_gf1_i_read8(gus, SNDRV_GF1_GB_VOICES_IRQ) & 0xc0) != 0xc0);
356 356
357 spin_lock_irqsave(&gus->reg_lock, flag 357 spin_lock_irqsave(&gus->reg_lock, flags);
358 outb(gus->gf1.active_voice = 0, GUSP(g 358 outb(gus->gf1.active_voice = 0, GUSP(gus, GF1PAGE));
359 outb(gus->mix_cntrl_reg, GUSP(gus, MIX 359 outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
360 spin_unlock_irqrestore(&gus->reg_lock, 360 spin_unlock_irqrestore(&gus->reg_lock, flags);
361 361
362 snd_gf1_timers_init(gus); 362 snd_gf1_timers_init(gus);
363 snd_gf1_look_regs(gus); 363 snd_gf1_look_regs(gus);
364 snd_gf1_mem_init(gus); 364 snd_gf1_mem_init(gus);
365 snd_gf1_mem_proc_init(gus); 365 snd_gf1_mem_proc_init(gus);
366 #ifdef CONFIG_SND_DEBUG 366 #ifdef CONFIG_SND_DEBUG
367 snd_gus_irq_profile_init(gus); 367 snd_gus_irq_profile_init(gus);
368 #endif 368 #endif
369 369
370 #if 0 370 #if 0
371 if (gus->pnp_flag) { 371 if (gus->pnp_flag) {
372 if (gus->chip.playback_fifo_si 372 if (gus->chip.playback_fifo_size > 0)
373 snd_gf1_i_write16(gus, 373 snd_gf1_i_write16(gus, SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR, gus->chip.playback_fifo_block->ptr >> 8);
374 if (gus->chip.record_fifo_size 374 if (gus->chip.record_fifo_size > 0)
375 snd_gf1_i_write16(gus, 375 snd_gf1_i_write16(gus, SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR, gus->chip.record_fifo_block->ptr >> 8);
376 snd_gf1_i_write16(gus, SNDRV_G 376 snd_gf1_i_write16(gus, SNDRV_GF1_GW_FIFO_SIZE, gus->chip.interwave_fifo_reg);
377 } 377 }
378 #endif 378 #endif
379 379
380 return 0; 380 return 0;
381 } 381 }
382 382
383 /* 383 /*
384 * call this function only by shutdown of dri 384 * call this function only by shutdown of driver
385 */ 385 */
386 386
387 int snd_gf1_stop(struct snd_gus_card * gus) 387 int snd_gf1_stop(struct snd_gus_card * gus)
388 { 388 {
389 snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOU 389 snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, 0); /* stop all timers */
390 snd_gf1_stop_voices(gus, 0, 31); 390 snd_gf1_stop_voices(gus, 0, 31); /* stop all voices */
391 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RES 391 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* disable IRQ & DAC */
392 snd_gf1_timers_done(gus); 392 snd_gf1_timers_done(gus);
393 snd_gf1_mem_done(gus); 393 snd_gf1_mem_done(gus);
394 #if 0 394 #if 0
395 snd_gf1_lfo_done(gus); 395 snd_gf1_lfo_done(gus);
396 #endif 396 #endif
397 return 0; 397 return 0;
398 } 398 }
399 399
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