Lines Matching refs:gus

13 static void snd_gf1_interrupt_midi_in(struct snd_gus_card * gus)  in snd_gf1_interrupt_midi_in()  argument
22 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_in()
23 stat = snd_gf1_uart_stat(gus); in snd_gf1_interrupt_midi_in()
25 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_in()
30 data = snd_gf1_uart_get(gus); in snd_gf1_interrupt_midi_in()
31 if (!(gus->gf1.uart_cmd & 0x80)) { in snd_gf1_interrupt_midi_in()
32 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_in()
36 gus->gf1.uart_framing++; in snd_gf1_interrupt_midi_in()
37 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_in()
40 byte = snd_gf1_uart_get(gus); in snd_gf1_interrupt_midi_in()
41 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_in()
42 snd_rawmidi_receive(gus->midi_substream_input, &byte, 1); in snd_gf1_interrupt_midi_in()
44 gus->gf1.uart_overrun++; in snd_gf1_interrupt_midi_in()
49 static void snd_gf1_interrupt_midi_out(struct snd_gus_card * gus) in snd_gf1_interrupt_midi_out() argument
55 if (snd_gf1_uart_stat(gus) & 0x01) in snd_gf1_interrupt_midi_out()
56 snd_gf1_interrupt_midi_in(gus); in snd_gf1_interrupt_midi_out()
58 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_out()
59 if (snd_gf1_uart_stat(gus) & 0x02) { /* Tx FIFO free? */ in snd_gf1_interrupt_midi_out()
60 …if (snd_rawmidi_transmit(gus->midi_substream_output, &byte, 1) != 1) { /* no other bytes or error … in snd_gf1_interrupt_midi_out()
61 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd & ~0x20); /* disable Tx interrupt */ in snd_gf1_interrupt_midi_out()
63 snd_gf1_uart_put(gus, byte); in snd_gf1_interrupt_midi_out()
66 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_interrupt_midi_out()
69 static void snd_gf1_uart_reset(struct snd_gus_card * gus, int close) in snd_gf1_uart_reset() argument
71 snd_gf1_uart_cmd(gus, 0x03); /* reset */ in snd_gf1_uart_reset()
72 if (!close && gus->uart_enable) { in snd_gf1_uart_reset()
74 snd_gf1_uart_cmd(gus, 0x00); /* normal operations */ in snd_gf1_uart_reset()
81 struct snd_gus_card *gus; in snd_gf1_uart_output_open() local
83 gus = substream->rmidi->private_data; in snd_gf1_uart_output_open()
84 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_open()
85 if (!(gus->gf1.uart_cmd & 0x80)) { /* input active? */ in snd_gf1_uart_output_open()
86 snd_gf1_uart_reset(gus, 0); in snd_gf1_uart_output_open()
88 gus->gf1.interrupt_handler_midi_out = snd_gf1_interrupt_midi_out; in snd_gf1_uart_output_open()
89 gus->midi_substream_output = substream; in snd_gf1_uart_output_open()
90 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_open()
92 dev_dbg(gus->card->dev, in snd_gf1_uart_output_open()
94 gus->gf1.uart_cmd, snd_gf1_uart_stat(gus)); in snd_gf1_uart_output_open()
102 struct snd_gus_card *gus; in snd_gf1_uart_input_open() local
105 gus = substream->rmidi->private_data; in snd_gf1_uart_input_open()
106 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_input_open()
107 if (gus->gf1.interrupt_handler_midi_out != snd_gf1_interrupt_midi_out) { in snd_gf1_uart_input_open()
108 snd_gf1_uart_reset(gus, 0); in snd_gf1_uart_input_open()
110 gus->gf1.interrupt_handler_midi_in = snd_gf1_interrupt_midi_in; in snd_gf1_uart_input_open()
111 gus->midi_substream_input = substream; in snd_gf1_uart_input_open()
112 if (gus->uart_enable) { in snd_gf1_uart_input_open()
113 for (i = 0; i < 1000 && (snd_gf1_uart_stat(gus) & 0x01); i++) in snd_gf1_uart_input_open()
114 snd_gf1_uart_get(gus); /* clean Rx */ in snd_gf1_uart_input_open()
116 dev_err(gus->card->dev, "gus midi uart init read - cleanup error\n"); in snd_gf1_uart_input_open()
118 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_input_open()
120 dev_dbg(gus->card->dev, in snd_gf1_uart_input_open()
122 gus->uart_enable, gus->gf1.uart_cmd, snd_gf1_uart_stat(gus)); in snd_gf1_uart_input_open()
123 dev_dbg(gus->card->dev, in snd_gf1_uart_input_open()
125 gus->gf1.port + 0x100, inb(gus->gf1.port + 0x100), in snd_gf1_uart_input_open()
126 inb(gus->gf1.port + 0x101), inb(gus->gf1.port + 0x102)); in snd_gf1_uart_input_open()
134 struct snd_gus_card *gus; in snd_gf1_uart_output_close() local
136 gus = substream->rmidi->private_data; in snd_gf1_uart_output_close()
137 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_close()
138 if (gus->gf1.interrupt_handler_midi_in != snd_gf1_interrupt_midi_in) in snd_gf1_uart_output_close()
139 snd_gf1_uart_reset(gus, 1); in snd_gf1_uart_output_close()
140 snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_MIDI_OUT); in snd_gf1_uart_output_close()
141 gus->midi_substream_output = NULL; in snd_gf1_uart_output_close()
142 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_close()
149 struct snd_gus_card *gus; in snd_gf1_uart_input_close() local
151 gus = substream->rmidi->private_data; in snd_gf1_uart_input_close()
152 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_input_close()
153 if (gus->gf1.interrupt_handler_midi_out != snd_gf1_interrupt_midi_out) in snd_gf1_uart_input_close()
154 snd_gf1_uart_reset(gus, 1); in snd_gf1_uart_input_close()
155 snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_MIDI_IN); in snd_gf1_uart_input_close()
156 gus->midi_substream_input = NULL; in snd_gf1_uart_input_close()
157 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_input_close()
163 struct snd_gus_card *gus; in snd_gf1_uart_input_trigger() local
166 gus = substream->rmidi->private_data; in snd_gf1_uart_input_trigger()
168 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_input_trigger()
170 if ((gus->gf1.uart_cmd & 0x80) == 0) in snd_gf1_uart_input_trigger()
171 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd | 0x80); /* enable Rx interrupts */ in snd_gf1_uart_input_trigger()
173 if (gus->gf1.uart_cmd & 0x80) in snd_gf1_uart_input_trigger()
174 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd & ~0x80); /* disable Rx interrupts */ in snd_gf1_uart_input_trigger()
176 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_input_trigger()
182 struct snd_gus_card *gus; in snd_gf1_uart_output_trigger() local
186 gus = substream->rmidi->private_data; in snd_gf1_uart_output_trigger()
188 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_trigger()
190 if ((gus->gf1.uart_cmd & 0x20) == 0) { in snd_gf1_uart_output_trigger()
191 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_trigger()
194 while (timeout-- > 0 && snd_gf1_uart_stat(gus) & 0x01); in snd_gf1_uart_output_trigger()
196 spin_lock_irqsave(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_trigger()
197 if (gus->gf1.uart_cmd & 0x20) { in snd_gf1_uart_output_trigger()
198 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_trigger()
201 if (snd_gf1_uart_stat(gus) & 0x02) { in snd_gf1_uart_output_trigger()
203 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_trigger()
206 snd_gf1_uart_put(gus, byte); in snd_gf1_uart_output_trigger()
208 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd | 0x20); /* enable Tx interrupt */ in snd_gf1_uart_output_trigger()
211 if (gus->gf1.uart_cmd & 0x20) in snd_gf1_uart_output_trigger()
212 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd & ~0x20); in snd_gf1_uart_output_trigger()
214 spin_unlock_irqrestore(&gus->uart_cmd_lock, flags); in snd_gf1_uart_output_trigger()
231 int snd_gf1_rawmidi_new(struct snd_gus_card *gus, int device) in snd_gf1_rawmidi_new() argument
236 err = snd_rawmidi_new(gus->card, "GF1", device, 1, 1, &rmidi); in snd_gf1_rawmidi_new()
239 strcpy(rmidi->name, gus->interwave ? "AMD InterWave" : "GF1"); in snd_gf1_rawmidi_new()
243 rmidi->private_data = gus; in snd_gf1_rawmidi_new()
244 gus->midi_uart = rmidi; in snd_gf1_rawmidi_new()