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-rw-r--r--sound/usb/6fire/chip.c2
-rw-r--r--sound/usb/6fire/comm.c38
-rw-r--r--sound/usb/6fire/comm.h2
-rw-r--r--sound/usb/6fire/firmware.c26
-rw-r--r--sound/usb/6fire/midi.c16
-rw-r--r--sound/usb/6fire/midi.h6
-rw-r--r--sound/usb/6fire/pcm.c53
-rw-r--r--sound/usb/6fire/pcm.h2
8 files changed, 115 insertions, 30 deletions
diff --git a/sound/usb/6fire/chip.c b/sound/usb/6fire/chip.c
index c7dca7b..46a2816 100644
--- a/sound/usb/6fire/chip.c
+++ b/sound/usb/6fire/chip.c
@@ -102,7 +102,7 @@ static int __devinit usb6fire_chip_probe(struct usb_interface *intf,
usb_set_intfdata(intf, chips[i]);
mutex_unlock(&register_mutex);
return 0;
- } else if (regidx < 0)
+ } else if (!devices[i] && regidx < 0)
regidx = i;
}
if (regidx < 0) {
diff --git a/sound/usb/6fire/comm.c b/sound/usb/6fire/comm.c
index c994daa..af6ec8d 100644
--- a/sound/usb/6fire/comm.c
+++ b/sound/usb/6fire/comm.c
@@ -111,19 +111,37 @@ static int usb6fire_comm_send_buffer(u8 *buffer, struct usb_device *dev)
static int usb6fire_comm_write8(struct comm_runtime *rt, u8 request,
u8 reg, u8 value)
{
- u8 buffer[13]; /* 13: maximum length of message */
+ u8 *buffer;
+ int ret;
+
+ /* 13: maximum length of message */
+ buffer = kmalloc(13, GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
usb6fire_comm_init_buffer(buffer, 0x00, request, reg, value, 0x00);
- return usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+ ret = usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+
+ kfree(buffer);
+ return ret;
}
static int usb6fire_comm_write16(struct comm_runtime *rt, u8 request,
u8 reg, u8 vl, u8 vh)
{
- u8 buffer[13]; /* 13: maximum length of message */
+ u8 *buffer;
+ int ret;
+
+ /* 13: maximum length of message */
+ buffer = kmalloc(13, GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
usb6fire_comm_init_buffer(buffer, 0x00, request, reg, vl, vh);
- return usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+ ret = usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+
+ kfree(buffer);
+ return ret;
}
int __devinit usb6fire_comm_init(struct sfire_chip *chip)
@@ -136,6 +154,12 @@ int __devinit usb6fire_comm_init(struct sfire_chip *chip)
if (!rt)
return -ENOMEM;
+ rt->receiver_buffer = kzalloc(COMM_RECEIVER_BUFSIZE, GFP_KERNEL);
+ if (!rt->receiver_buffer) {
+ kfree(rt);
+ return -ENOMEM;
+ }
+
rt->serial = 1;
rt->chip = chip;
usb_init_urb(urb);
@@ -153,6 +177,7 @@ int __devinit usb6fire_comm_init(struct sfire_chip *chip)
urb->interval = 1;
ret = usb_submit_urb(urb, GFP_KERNEL);
if (ret < 0) {
+ kfree(rt->receiver_buffer);
kfree(rt);
snd_printk(KERN_ERR PREFIX "cannot create comm data receiver.");
return ret;
@@ -171,6 +196,9 @@ void usb6fire_comm_abort(struct sfire_chip *chip)
void usb6fire_comm_destroy(struct sfire_chip *chip)
{
- kfree(chip->comm);
+ struct comm_runtime *rt = chip->comm;
+
+ kfree(rt->receiver_buffer);
+ kfree(rt);
chip->comm = NULL;
}
diff --git a/sound/usb/6fire/comm.h b/sound/usb/6fire/comm.h
index edc5dc8..19e2f92 100644
--- a/sound/usb/6fire/comm.h
+++ b/sound/usb/6fire/comm.h
@@ -25,7 +25,7 @@ struct comm_runtime {
struct sfire_chip *chip;
struct urb receiver;
- u8 receiver_buffer[COMM_RECEIVER_BUFSIZE];
+ u8 *receiver_buffer;
u8 serial; /* urb serial */
diff --git a/sound/usb/6fire/firmware.c b/sound/usb/6fire/firmware.c
index 1e3ae33..3b5f517 100644
--- a/sound/usb/6fire/firmware.c
+++ b/sound/usb/6fire/firmware.c
@@ -15,7 +15,9 @@
*/
#include <linux/firmware.h>
+#include <linux/module.h>
#include <linux/bitrev.h>
+#include <linux/kernel.h>
#include "firmware.h"
#include "chip.h"
@@ -59,21 +61,19 @@ struct ihex_record {
unsigned int txt_offset; /* current position in txt_data */
};
-static u8 usb6fire_fw_ihex_nibble(const u8 n)
-{
- if (n >= '0' && n <= '9')
- return n - '0';
- else if (n >= 'A' && n <= 'F')
- return n - ('A' - 10);
- else if (n >= 'a' && n <= 'f')
- return n - ('a' - 10);
- return 0;
-}
-
static u8 usb6fire_fw_ihex_hex(const u8 *data, u8 *crc)
{
- u8 val = (usb6fire_fw_ihex_nibble(data[0]) << 4) |
- usb6fire_fw_ihex_nibble(data[1]);
+ u8 val = 0;
+ int hval;
+
+ hval = hex_to_bin(data[0]);
+ if (hval >= 0)
+ val |= (hval << 4);
+
+ hval = hex_to_bin(data[1]);
+ if (hval >= 0)
+ val |= hval;
+
*crc += val;
return val;
}
diff --git a/sound/usb/6fire/midi.c b/sound/usb/6fire/midi.c
index 13f4509..8283c5d 100644
--- a/sound/usb/6fire/midi.c
+++ b/sound/usb/6fire/midi.c
@@ -20,6 +20,10 @@
#include "chip.h"
#include "comm.h"
+enum {
+ MIDI_BUFSIZE = 64
+};
+
static void usb6fire_midi_out_handler(struct urb *urb)
{
struct midi_runtime *rt = urb->context;
@@ -157,6 +161,12 @@ int __devinit usb6fire_midi_init(struct sfire_chip *chip)
if (!rt)
return -ENOMEM;
+ rt->out_buffer = kzalloc(MIDI_BUFSIZE, GFP_KERNEL);
+ if (!rt->out_buffer) {
+ kfree(rt);
+ return -ENOMEM;
+ }
+
rt->chip = chip;
rt->in_received = usb6fire_midi_in_received;
rt->out_buffer[0] = 0x80; /* 'send midi' command */
@@ -170,6 +180,7 @@ int __devinit usb6fire_midi_init(struct sfire_chip *chip)
ret = snd_rawmidi_new(chip->card, "6FireUSB", 0, 1, 1, &rt->instance);
if (ret < 0) {
+ kfree(rt->out_buffer);
kfree(rt);
snd_printk(KERN_ERR PREFIX "unable to create midi.\n");
return ret;
@@ -198,6 +209,9 @@ void usb6fire_midi_abort(struct sfire_chip *chip)
void usb6fire_midi_destroy(struct sfire_chip *chip)
{
- kfree(chip->midi);
+ struct midi_runtime *rt = chip->midi;
+
+ kfree(rt->out_buffer);
+ kfree(rt);
chip->midi = NULL;
}
diff --git a/sound/usb/6fire/midi.h b/sound/usb/6fire/midi.h
index 97a7bf6..7f8f448 100644
--- a/sound/usb/6fire/midi.h
+++ b/sound/usb/6fire/midi.h
@@ -17,10 +17,6 @@
#include "common.h"
-enum {
- MIDI_BUFSIZE = 64
-};
-
struct midi_runtime {
struct sfire_chip *chip;
struct snd_rawmidi *instance;
@@ -33,7 +29,7 @@ struct midi_runtime {
struct snd_rawmidi_substream *out;
struct urb out_urb;
u8 out_serial; /* serial number of out packet */
- u8 out_buffer[MIDI_BUFSIZE];
+ u8 *out_buffer;
int buffer_offset;
void (*in_received)(struct midi_runtime *rt, u8 *data, int length);
diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c
index d2fb012..8609c74 100644
--- a/sound/usb/6fire/pcm.c
+++ b/sound/usb/6fire/pcm.c
@@ -579,6 +579,33 @@ static void __devinit usb6fire_pcm_init_urb(struct pcm_urb *urb,
urb->instance.number_of_packets = PCM_N_PACKETS_PER_URB;
}
+static int usb6fire_pcm_buffers_init(struct pcm_runtime *rt)
+{
+ int i;
+
+ for (i = 0; i < PCM_N_URBS; i++) {
+ rt->out_urbs[i].buffer = kzalloc(PCM_N_PACKETS_PER_URB
+ * PCM_MAX_PACKET_SIZE, GFP_KERNEL);
+ if (!rt->out_urbs[i].buffer)
+ return -ENOMEM;
+ rt->in_urbs[i].buffer = kzalloc(PCM_N_PACKETS_PER_URB
+ * PCM_MAX_PACKET_SIZE, GFP_KERNEL);
+ if (!rt->in_urbs[i].buffer)
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+static void usb6fire_pcm_buffers_destroy(struct pcm_runtime *rt)
+{
+ int i;
+
+ for (i = 0; i < PCM_N_URBS; i++) {
+ kfree(rt->out_urbs[i].buffer);
+ kfree(rt->in_urbs[i].buffer);
+ }
+}
+
int __devinit usb6fire_pcm_init(struct sfire_chip *chip)
{
int i;
@@ -590,6 +617,13 @@ int __devinit usb6fire_pcm_init(struct sfire_chip *chip)
if (!rt)
return -ENOMEM;
+ ret = usb6fire_pcm_buffers_init(rt);
+ if (ret) {
+ usb6fire_pcm_buffers_destroy(rt);
+ kfree(rt);
+ return ret;
+ }
+
rt->chip = chip;
rt->stream_state = STREAM_DISABLED;
rt->rate = ARRAY_SIZE(rates);
@@ -611,6 +645,7 @@ int __devinit usb6fire_pcm_init(struct sfire_chip *chip)
ret = snd_pcm_new(chip->card, "DMX6FireUSB", 0, 1, 1, &pcm);
if (ret < 0) {
+ usb6fire_pcm_buffers_destroy(rt);
kfree(rt);
snd_printk(KERN_ERR PREFIX "cannot create pcm instance.\n");
return ret;
@@ -626,6 +661,7 @@ int __devinit usb6fire_pcm_init(struct sfire_chip *chip)
snd_dma_continuous_data(GFP_KERNEL),
MAX_BUFSIZE, MAX_BUFSIZE);
if (ret) {
+ usb6fire_pcm_buffers_destroy(rt);
kfree(rt);
snd_printk(KERN_ERR PREFIX
"error preallocating pcm buffers.\n");
@@ -640,17 +676,25 @@ int __devinit usb6fire_pcm_init(struct sfire_chip *chip)
void usb6fire_pcm_abort(struct sfire_chip *chip)
{
struct pcm_runtime *rt = chip->pcm;
+ unsigned long flags;
int i;
if (rt) {
rt->panic = true;
- if (rt->playback.instance)
+ if (rt->playback.instance) {
+ snd_pcm_stream_lock_irqsave(rt->playback.instance, flags);
snd_pcm_stop(rt->playback.instance,
SNDRV_PCM_STATE_XRUN);
- if (rt->capture.instance)
+ snd_pcm_stream_unlock_irqrestore(rt->playback.instance, flags);
+ }
+
+ if (rt->capture.instance) {
+ snd_pcm_stream_lock_irqsave(rt->capture.instance, flags);
snd_pcm_stop(rt->capture.instance,
SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock_irqrestore(rt->capture.instance, flags);
+ }
for (i = 0; i < PCM_N_URBS; i++) {
usb_poison_urb(&rt->in_urbs[i].instance);
@@ -662,6 +706,9 @@ void usb6fire_pcm_abort(struct sfire_chip *chip)
void usb6fire_pcm_destroy(struct sfire_chip *chip)
{
- kfree(chip->pcm);
+ struct pcm_runtime *rt = chip->pcm;
+
+ usb6fire_pcm_buffers_destroy(rt);
+ kfree(rt);
chip->pcm = NULL;
}
diff --git a/sound/usb/6fire/pcm.h b/sound/usb/6fire/pcm.h
index 2bee813..a8e8899 100644
--- a/sound/usb/6fire/pcm.h
+++ b/sound/usb/6fire/pcm.h
@@ -33,7 +33,7 @@ struct pcm_urb {
struct urb instance;
struct usb_iso_packet_descriptor packets[PCM_N_PACKETS_PER_URB];
/* END DO NOT SEPARATE */
- u8 buffer[PCM_N_PACKETS_PER_URB * PCM_MAX_PACKET_SIZE];
+ u8 *buffer;
struct pcm_urb *peer;
};
generated by cgit v1.1 at 2024-04-29 05:26:12 +0000