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path: root/sound/pci/emu10k1/emumpu401.c
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Diffstat (limited to 'sound/pci/emu10k1/emumpu401.c')
-rw-r--r--sound/pci/emu10k1/emumpu401.c71
1 files changed, 47 insertions, 24 deletions
diff --git a/sound/pci/emu10k1/emumpu401.c b/sound/pci/emu10k1/emumpu401.c
index d96eb455103..fdf2b0ada48 100644
--- a/sound/pci/emu10k1/emumpu401.c
+++ b/sound/pci/emu10k1/emumpu401.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* Routines for control of EMU10K1 MPU-401 in UART mode
*
*
@@ -19,7 +19,6 @@
*
*/
-#include <sound/driver.h>
#include <linux/time.h>
#include <linux/init.h>
#include <sound/core.h>
@@ -65,7 +64,9 @@ static void mpu401_clear_rx(struct snd_emu10k1 *emu, struct snd_emu10k1_midi *mp
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));
+ dev_err(emu->card->dev,
+ "cmd: clear rx timeout (status = 0x%x)\n",
+ mpu401_read_stat(emu, mpu));
#endif
}
@@ -116,7 +117,7 @@ static void snd_emu10k1_midi_interrupt2(struct snd_emu10k1 *emu, unsigned int st
do_emu10k1_midi_interrupt(emu, &emu->midi2, status);
}
-static void snd_emu10k1_midi_cmd(struct snd_emu10k1 * emu, struct snd_emu10k1_midi *midi, unsigned char cmd, int ack)
+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;
@@ -141,11 +142,15 @@ static void snd_emu10k1_midi_cmd(struct snd_emu10k1 * emu, struct snd_emu10k1_mi
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",
+ if (!ok) {
+ dev_err(emu->card->dev,
+ "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)
@@ -155,18 +160,24 @@ static int snd_emu10k1_midi_input_open(struct snd_rawmidi_substream *substream)
unsigned long flags;
emu = midi->emu;
- snd_assert(emu, return -ENXIO);
+ 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);
- snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 1);
- snd_emu10k1_midi_cmd(emu, midi, MPU401_ENTER_UART, 1);
+ 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)
@@ -176,18 +187,24 @@ static int snd_emu10k1_midi_output_open(struct snd_rawmidi_substream *substream)
unsigned long flags;
emu = midi->emu;
- snd_assert(emu, return -ENXIO);
+ 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);
- snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 1);
- snd_emu10k1_midi_cmd(emu, midi, MPU401_ENTER_UART, 1);
+ 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)
@@ -195,20 +212,22 @@ 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;
- snd_assert(emu, return -ENXIO);
+ 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);
- snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0);
+ err = snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0);
} else {
spin_unlock_irqrestore(&midi->open_lock, flags);
}
- return 0;
+ return err;
}
static int snd_emu10k1_midi_output_close(struct snd_rawmidi_substream *substream)
@@ -216,20 +235,22 @@ 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;
- snd_assert(emu, return -ENXIO);
+ 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);
- snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0);
+ err = snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0);
} else {
spin_unlock_irqrestore(&midi->open_lock, flags);
}
- return 0;
+ return err;
}
static void snd_emu10k1_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
@@ -237,7 +258,8 @@ static void snd_emu10k1_midi_input_trigger(struct snd_rawmidi_substream *substre
struct snd_emu10k1 *emu;
struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
emu = midi->emu;
- snd_assert(emu, return);
+ if (snd_BUG_ON(!emu))
+ return;
if (up)
snd_emu10k1_intr_enable(emu, midi->rx_enable);
@@ -252,7 +274,8 @@ static void snd_emu10k1_midi_output_trigger(struct snd_rawmidi_substream *substr
unsigned long flags;
emu = midi->emu;
- snd_assert(emu, return);
+ if (snd_BUG_ON(!emu))
+ return;
if (up) {
int max = 4;
@@ -301,12 +324,12 @@ static struct snd_rawmidi_ops snd_emu10k1_midi_input =
static void snd_emu10k1_midi_free(struct snd_rawmidi *rmidi)
{
- struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)rmidi->private_data;
+ 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)
+static int emu10k1_midi_init(struct snd_emu10k1 *emu, struct snd_emu10k1_midi *midi, int device, char *name)
{
struct snd_rawmidi *rmidi;
int err;
@@ -329,7 +352,7 @@ static int __devinit emu10k1_midi_init(struct snd_emu10k1 *emu, struct snd_emu10
return 0;
}
-int __devinit snd_emu10k1_midi(struct snd_emu10k1 *emu)
+int snd_emu10k1_midi(struct snd_emu10k1 *emu)
{
struct snd_emu10k1_midi *midi = &emu->midi;
int err;
@@ -346,7 +369,7 @@ int __devinit snd_emu10k1_midi(struct snd_emu10k1 *emu)
return 0;
}
-int __devinit snd_emu10k1_audigy_midi(struct snd_emu10k1 *emu)
+int snd_emu10k1_audigy_midi(struct snd_emu10k1 *emu)
{
struct snd_emu10k1_midi *midi;
int err;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-20 17:02:48 +0000