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Diffstat (limited to 'ANDROID_3.4.5/sound/pci/emu10k1/emumpu401.c')
-rw-r--r--ANDROID_3.4.5/sound/pci/emu10k1/emumpu401.c396
1 files changed, 0 insertions, 396 deletions
diff --git a/ANDROID_3.4.5/sound/pci/emu10k1/emumpu401.c b/ANDROID_3.4.5/sound/pci/emu10k1/emumpu401.c
deleted file mode 100644
index bab56482..00000000
--- a/ANDROID_3.4.5/sound/pci/emu10k1/emumpu401.c
+++ /dev/null
@@ -1,396 +0,0 @@
-/*
- * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
- * Routines for control of EMU10K1 MPU-401 in UART mode
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <linux/time.h>
-#include <linux/init.h>
-#include <sound/core.h>
-#include <sound/emu10k1.h>
-
-#define EMU10K1_MIDI_MODE_INPUT (1<<0)
-#define EMU10K1_MIDI_MODE_OUTPUT (1<<1)
-
-static inline unsigned char mpu401_read(struct snd_emu10k1 *emu,
- struct snd_emu10k1_midi *mpu, int idx)
-{
- if (emu->audigy)
- return (unsigned char)snd_emu10k1_ptr_read(emu, mpu->port + idx, 0);
- else
- return inb(emu->port + mpu->port + idx);
-}
-
-static inline void mpu401_write(struct snd_emu10k1 *emu,
- struct snd_emu10k1_midi *mpu, int data, int idx)
-{
- if (emu->audigy)
- snd_emu10k1_ptr_write(emu, mpu->port + idx, 0, data);
- else
- outb(data, emu->port + mpu->port + idx);
-}
-
-#define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0)
-#define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1)
-#define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0)
-#define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1)
-
-#define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80))
-#define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40))
-
-#define MPU401_RESET 0xff
-#define MPU401_ENTER_UART 0x3f
-#define MPU401_ACK 0xfe
-
-static void mpu401_clear_rx(struct snd_emu10k1 *emu, struct snd_emu10k1_midi *mpu)
-{
- int timeout = 100000;
- for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--)
- mpu401_read_data(emu, mpu);
-#ifdef CONFIG_SND_DEBUG
- if (timeout <= 0)
- snd_printk(KERN_ERR "cmd: clear rx timeout (status = 0x%x)\n", mpu401_read_stat(emu, mpu));
-#endif
-}
-
-/*
-
- */
-
-static void do_emu10k1_midi_interrupt(struct snd_emu10k1 *emu, struct snd_emu10k1_midi *midi, unsigned int status)
-{
- unsigned char byte;
-
- if (midi->rmidi == NULL) {
- snd_emu10k1_intr_disable(emu, midi->tx_enable | midi->rx_enable);
- return;
- }
-
- spin_lock(&midi->input_lock);
- if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) {
- if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) {
- mpu401_clear_rx(emu, midi);
- } else {
- byte = mpu401_read_data(emu, midi);
- if (midi->substream_input)
- snd_rawmidi_receive(midi->substream_input, &byte, 1);
- }
- }
- spin_unlock(&midi->input_lock);
-
- spin_lock(&midi->output_lock);
- if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) {
- if (midi->substream_output &&
- snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) {
- mpu401_write_data(emu, midi, byte);
- } else {
- snd_emu10k1_intr_disable(emu, midi->tx_enable);
- }
- }
- spin_unlock(&midi->output_lock);
-}
-
-static void snd_emu10k1_midi_interrupt(struct snd_emu10k1 *emu, unsigned int status)
-{
- do_emu10k1_midi_interrupt(emu, &emu->midi, status);
-}
-
-static void snd_emu10k1_midi_interrupt2(struct snd_emu10k1 *emu, unsigned int status)
-{
- do_emu10k1_midi_interrupt(emu, &emu->midi2, status);
-}
-
-static int snd_emu10k1_midi_cmd(struct snd_emu10k1 * emu, struct snd_emu10k1_midi *midi, unsigned char cmd, int ack)
-{
- unsigned long flags;
- int timeout, ok;
-
- spin_lock_irqsave(&midi->input_lock, flags);
- mpu401_write_data(emu, midi, 0x00);
- /* mpu401_clear_rx(emu, midi); */
-
- mpu401_write_cmd(emu, midi, cmd);
- if (ack) {
- ok = 0;
- timeout = 10000;
- while (!ok && timeout-- > 0) {
- if (mpu401_input_avail(emu, midi)) {
- if (mpu401_read_data(emu, midi) == MPU401_ACK)
- ok = 1;
- }
- }
- if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK)
- ok = 1;
- } else {
- ok = 1;
- }
- spin_unlock_irqrestore(&midi->input_lock, flags);
- if (!ok) {
- snd_printk(KERN_ERR "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n",
- cmd, emu->port,
- mpu401_read_stat(emu, midi),
- mpu401_read_data(emu, midi));
- return 1;
- }
- return 0;
-}
-
-static int snd_emu10k1_midi_input_open(struct snd_rawmidi_substream *substream)
-{
- struct snd_emu10k1 *emu;
- struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
- unsigned long flags;
-
- emu = midi->emu;
- if (snd_BUG_ON(!emu))
- return -ENXIO;
- spin_lock_irqsave(&midi->open_lock, flags);
- midi->midi_mode |= EMU10K1_MIDI_MODE_INPUT;
- midi->substream_input = substream;
- if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT)) {
- spin_unlock_irqrestore(&midi->open_lock, flags);
- if (snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 1))
- goto error_out;
- if (snd_emu10k1_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
- goto error_out;
- } else {
- spin_unlock_irqrestore(&midi->open_lock, flags);
- }
- return 0;
-
-error_out:
- return -EIO;
-}
-
-static int snd_emu10k1_midi_output_open(struct snd_rawmidi_substream *substream)
-{
- struct snd_emu10k1 *emu;
- struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
- unsigned long flags;
-
- emu = midi->emu;
- if (snd_BUG_ON(!emu))
- return -ENXIO;
- spin_lock_irqsave(&midi->open_lock, flags);
- midi->midi_mode |= EMU10K1_MIDI_MODE_OUTPUT;
- midi->substream_output = substream;
- if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) {
- spin_unlock_irqrestore(&midi->open_lock, flags);
- if (snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 1))
- goto error_out;
- if (snd_emu10k1_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
- goto error_out;
- } else {
- spin_unlock_irqrestore(&midi->open_lock, flags);
- }
- return 0;
-
-error_out:
- return -EIO;
-}
-
-static int snd_emu10k1_midi_input_close(struct snd_rawmidi_substream *substream)
-{
- struct snd_emu10k1 *emu;
- struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
- unsigned long flags;
- int err = 0;
-
- emu = midi->emu;
- if (snd_BUG_ON(!emu))
- return -ENXIO;
- spin_lock_irqsave(&midi->open_lock, flags);
- snd_emu10k1_intr_disable(emu, midi->rx_enable);
- midi->midi_mode &= ~EMU10K1_MIDI_MODE_INPUT;
- midi->substream_input = NULL;
- if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT)) {
- spin_unlock_irqrestore(&midi->open_lock, flags);
- err = snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0);
- } else {
- spin_unlock_irqrestore(&midi->open_lock, flags);
- }
- return err;
-}
-
-static int snd_emu10k1_midi_output_close(struct snd_rawmidi_substream *substream)
-{
- struct snd_emu10k1 *emu;
- struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
- unsigned long flags;
- int err = 0;
-
- emu = midi->emu;
- if (snd_BUG_ON(!emu))
- return -ENXIO;
- spin_lock_irqsave(&midi->open_lock, flags);
- snd_emu10k1_intr_disable(emu, midi->tx_enable);
- midi->midi_mode &= ~EMU10K1_MIDI_MODE_OUTPUT;
- midi->substream_output = NULL;
- if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) {
- spin_unlock_irqrestore(&midi->open_lock, flags);
- err = snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0);
- } else {
- spin_unlock_irqrestore(&midi->open_lock, flags);
- }
- return err;
-}
-
-static void snd_emu10k1_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
-{
- struct snd_emu10k1 *emu;
- struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
- emu = midi->emu;
- if (snd_BUG_ON(!emu))
- return;
-
- if (up)
- snd_emu10k1_intr_enable(emu, midi->rx_enable);
- else
- snd_emu10k1_intr_disable(emu, midi->rx_enable);
-}
-
-static void snd_emu10k1_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
-{
- struct snd_emu10k1 *emu;
- struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
- unsigned long flags;
-
- emu = midi->emu;
- if (snd_BUG_ON(!emu))
- return;
-
- if (up) {
- int max = 4;
- unsigned char byte;
-
- /* try to send some amount of bytes here before interrupts */
- spin_lock_irqsave(&midi->output_lock, flags);
- while (max > 0) {
- if (mpu401_output_ready(emu, midi)) {
- if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT) ||
- snd_rawmidi_transmit(substream, &byte, 1) != 1) {
- /* no more data */
- spin_unlock_irqrestore(&midi->output_lock, flags);
- return;
- }
- mpu401_write_data(emu, midi, byte);
- max--;
- } else {
- break;
- }
- }
- spin_unlock_irqrestore(&midi->output_lock, flags);
- snd_emu10k1_intr_enable(emu, midi->tx_enable);
- } else {
- snd_emu10k1_intr_disable(emu, midi->tx_enable);
- }
-}
-
-/*
-
- */
-
-static struct snd_rawmidi_ops snd_emu10k1_midi_output =
-{
- .open = snd_emu10k1_midi_output_open,
- .close = snd_emu10k1_midi_output_close,
- .trigger = snd_emu10k1_midi_output_trigger,
-};
-
-static struct snd_rawmidi_ops snd_emu10k1_midi_input =
-{
- .open = snd_emu10k1_midi_input_open,
- .close = snd_emu10k1_midi_input_close,
- .trigger = snd_emu10k1_midi_input_trigger,
-};
-
-static void snd_emu10k1_midi_free(struct snd_rawmidi *rmidi)
-{
- struct snd_emu10k1_midi *midi = rmidi->private_data;
- midi->interrupt = NULL;
- midi->rmidi = NULL;
-}
-
-static int __devinit emu10k1_midi_init(struct snd_emu10k1 *emu, struct snd_emu10k1_midi *midi, int device, char *name)
-{
- struct snd_rawmidi *rmidi;
- int err;
-
- if ((err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi)) < 0)
- return err;
- midi->emu = emu;
- spin_lock_init(&midi->open_lock);
- spin_lock_init(&midi->input_lock);
- spin_lock_init(&midi->output_lock);
- strcpy(rmidi->name, name);
- snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1_midi_output);
- snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1_midi_input);
- rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
- SNDRV_RAWMIDI_INFO_INPUT |
- SNDRV_RAWMIDI_INFO_DUPLEX;
- rmidi->private_data = midi;
- rmidi->private_free = snd_emu10k1_midi_free;
- midi->rmidi = rmidi;
- return 0;
-}
-
-int __devinit snd_emu10k1_midi(struct snd_emu10k1 *emu)
-{
- struct snd_emu10k1_midi *midi = &emu->midi;
- int err;
-
- if ((err = emu10k1_midi_init(emu, midi, 0, "EMU10K1 MPU-401 (UART)")) < 0)
- return err;
-
- midi->tx_enable = INTE_MIDITXENABLE;
- midi->rx_enable = INTE_MIDIRXENABLE;
- midi->port = MUDATA;
- midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;
- midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;
- midi->interrupt = snd_emu10k1_midi_interrupt;
- return 0;
-}
-
-int __devinit snd_emu10k1_audigy_midi(struct snd_emu10k1 *emu)
-{
- struct snd_emu10k1_midi *midi;
- int err;
-
- midi = &emu->midi;
- if ((err = emu10k1_midi_init(emu, midi, 0, "Audigy MPU-401 (UART)")) < 0)
- return err;
-
- midi->tx_enable = INTE_MIDITXENABLE;
- midi->rx_enable = INTE_MIDIRXENABLE;
- midi->port = A_MUDATA1;
- midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;
- midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;
- midi->interrupt = snd_emu10k1_midi_interrupt;
-
- midi = &emu->midi2;
- if ((err = emu10k1_midi_init(emu, midi, 1, "Audigy MPU-401 #2")) < 0)
- return err;
-
- midi->tx_enable = INTE_A_MIDITXENABLE2;
- midi->rx_enable = INTE_A_MIDIRXENABLE2;
- midi->port = A_MUDATA2;
- midi->ipr_tx = IPR_A_MIDITRANSBUFEMPTY2;
- midi->ipr_rx = IPR_A_MIDIRECVBUFEMPTY2;
- midi->interrupt = snd_emu10k1_midi_interrupt2;
- return 0;
-}
generated by cgit (git 2.34.1) at 2025-02-02 15:19:07 +0000