Lines Matching refs:gus
28 static void snd_gf1_interrupt_midi_in(struct snd_gus_card * gus) in snd_gf1_interrupt_midi_in() argument
36 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_in()
37 stat = snd_gf1_uart_stat(gus); in snd_gf1_interrupt_midi_in()
39 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_in()
44 data = snd_gf1_uart_get(gus); in snd_gf1_interrupt_midi_in()
45 if (!(gus->gf1.uart_cmd & 0x80)) { in snd_gf1_interrupt_midi_in()
46 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_in()
50 gus->gf1.uart_framing++; in snd_gf1_interrupt_midi_in()
51 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_in()
54 byte = snd_gf1_uart_get(gus); in snd_gf1_interrupt_midi_in()
55 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_in()
56 snd_rawmidi_receive(gus->midi_substream_input, &byte, 1); in snd_gf1_interrupt_midi_in()
58 gus->gf1.uart_overrun++; in snd_gf1_interrupt_midi_in()
63 static void snd_gf1_interrupt_midi_out(struct snd_gus_card * gus) in snd_gf1_interrupt_midi_out() argument
69 if (snd_gf1_uart_stat(gus) & 0x01) in snd_gf1_interrupt_midi_out()
70 snd_gf1_interrupt_midi_in(gus); in snd_gf1_interrupt_midi_out()
72 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_out()
73 if (snd_gf1_uart_stat(gus) & 0x02) { /* Tx FIFO free? */ in snd_gf1_interrupt_midi_out()
74 …if (snd_rawmidi_transmit(gus->midi_substream_output, &byte, 1) != 1) { /* no other bytes or error … in snd_gf1_interrupt_midi_out()
75 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd & ~0x20); /* disable Tx interrupt */ in snd_gf1_interrupt_midi_out()
77 snd_gf1_uart_put(gus, byte); in snd_gf1_interrupt_midi_out()
80 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_out()
83 static void snd_gf1_uart_reset(struct snd_gus_card * gus, int close) in snd_gf1_uart_reset() argument
85 snd_gf1_uart_cmd(gus, 0x03); /* reset */ in snd_gf1_uart_reset()
86 if (!close && gus->uart_enable) { in snd_gf1_uart_reset()
88 snd_gf1_uart_cmd(gus, 0x00); /* normal operations */ in snd_gf1_uart_reset()
95 struct snd_gus_card *gus; in snd_gf1_uart_output_open() local
97 gus = substream->rmidi->private_data; in snd_gf1_uart_output_open()
98 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_open()
99 if (!(gus->gf1.uart_cmd & 0x80)) { /* input active? */ in snd_gf1_uart_output_open()
100 snd_gf1_uart_reset(gus, 0); in snd_gf1_uart_output_open()
102 gus->gf1.interrupt_handler_midi_out = snd_gf1_interrupt_midi_out; in snd_gf1_uart_output_open()
103 gus->midi_substream_output = substream; in snd_gf1_uart_output_open()
104 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_open()
106 …tk(KERN_DEBUG "write init - cmd = 0x%x, stat = 0x%x\n", gus->gf1.uart_cmd, snd_gf1_uart_stat(gus)); in snd_gf1_uart_output_open()
114 struct snd_gus_card *gus; in snd_gf1_uart_input_open() local
117 gus = substream->rmidi->private_data; in snd_gf1_uart_input_open()
118 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_input_open()
119 if (gus->gf1.interrupt_handler_midi_out != snd_gf1_interrupt_midi_out) { in snd_gf1_uart_input_open()
120 snd_gf1_uart_reset(gus, 0); in snd_gf1_uart_input_open()
122 gus->gf1.interrupt_handler_midi_in = snd_gf1_interrupt_midi_in; in snd_gf1_uart_input_open()
123 gus->midi_substream_input = substream; in snd_gf1_uart_input_open()
124 if (gus->uart_enable) { in snd_gf1_uart_input_open()
125 for (i = 0; i < 1000 && (snd_gf1_uart_stat(gus) & 0x01); i++) in snd_gf1_uart_input_open()
126 snd_gf1_uart_get(gus); /* clean Rx */ in snd_gf1_uart_input_open()
130 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_input_open()
134 gus->uart_enable, gus->gf1.uart_cmd, snd_gf1_uart_stat(gus)); in snd_gf1_uart_input_open()
138 gus->gf1.port + 0x100, inb(gus->gf1.port + 0x100), in snd_gf1_uart_input_open()
139 inb(gus->gf1.port + 0x101), inb(gus->gf1.port + 0x102)); in snd_gf1_uart_input_open()
147 struct snd_gus_card *gus; in snd_gf1_uart_output_close() local
149 gus = substream->rmidi->private_data; in snd_gf1_uart_output_close()
150 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_close()
151 if (gus->gf1.interrupt_handler_midi_in != snd_gf1_interrupt_midi_in) in snd_gf1_uart_output_close()
152 snd_gf1_uart_reset(gus, 1); in snd_gf1_uart_output_close()
153 snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_MIDI_OUT); in snd_gf1_uart_output_close()
154 gus->midi_substream_output = NULL; in snd_gf1_uart_output_close()
155 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_close()
162 struct snd_gus_card *gus; in snd_gf1_uart_input_close() local
164 gus = substream->rmidi->private_data; in snd_gf1_uart_input_close()
165 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_input_close()
166 if (gus->gf1.interrupt_handler_midi_out != snd_gf1_interrupt_midi_out) in snd_gf1_uart_input_close()
167 snd_gf1_uart_reset(gus, 1); in snd_gf1_uart_input_close()
168 snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_MIDI_IN); in snd_gf1_uart_input_close()
169 gus->midi_substream_input = NULL; in snd_gf1_uart_input_close()
170 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_input_close()
176 struct snd_gus_card *gus; in snd_gf1_uart_input_trigger() local
179 gus = substream->rmidi->private_data; in snd_gf1_uart_input_trigger()
181 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_input_trigger()
183 if ((gus->gf1.uart_cmd & 0x80) == 0) in snd_gf1_uart_input_trigger()
184 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd | 0x80); /* enable Rx interrupts */ in snd_gf1_uart_input_trigger()
186 if (gus->gf1.uart_cmd & 0x80) in snd_gf1_uart_input_trigger()
187 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd & ~0x80); /* disable Rx interrupts */ in snd_gf1_uart_input_trigger()
189 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_input_trigger()
195 struct snd_gus_card *gus; in snd_gf1_uart_output_trigger() local
199 gus = substream->rmidi->private_data; in snd_gf1_uart_output_trigger()
201 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_trigger()
203 if ((gus->gf1.uart_cmd & 0x20) == 0) { in snd_gf1_uart_output_trigger()
204 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_trigger()
207 while (timeout-- > 0 && snd_gf1_uart_stat(gus) & 0x01); in snd_gf1_uart_output_trigger()
209 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_trigger()
210 if (gus->gf1.uart_cmd & 0x20) { in snd_gf1_uart_output_trigger()
211 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_trigger()
214 if (snd_gf1_uart_stat(gus) & 0x02) { in snd_gf1_uart_output_trigger()
216 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_trigger()
219 snd_gf1_uart_put(gus, byte); in snd_gf1_uart_output_trigger()
221 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd | 0x20); /* enable Tx interrupt */ in snd_gf1_uart_output_trigger()
224 if (gus->gf1.uart_cmd & 0x20) in snd_gf1_uart_output_trigger()
225 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd & ~0x20); in snd_gf1_uart_output_trigger()
227 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_trigger()
244 int snd_gf1_rawmidi_new(struct snd_gus_card *gus, int device) in snd_gf1_rawmidi_new() argument
249 if ((err = snd_rawmidi_new(gus->card, "GF1", device, 1, 1, &rmidi)) < 0) in snd_gf1_rawmidi_new()
251 strcpy(rmidi->name, gus->interwave ? "AMD InterWave" : "GF1"); in snd_gf1_rawmidi_new()
255 rmidi->private_data = gus; in snd_gf1_rawmidi_new()
256 gus->midi_uart = rmidi; in snd_gf1_rawmidi_new()