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-rw-r--r--sound/drivers/vx/vx_core.c81
-rw-r--r--sound/drivers/vx/vx_hwdep.c12
-rw-r--r--sound/drivers/vx/vx_mixer.c39
-rw-r--r--sound/drivers/vx/vx_pcm.c40
4 files changed, 112 insertions, 60 deletions
diff --git a/sound/drivers/vx/vx_core.c b/sound/drivers/vx/vx_core.c
index ffab0400d7fb..18901e5bcfcf 100644
--- a/sound/drivers/vx/vx_core.c
+++ b/sound/drivers/vx/vx_core.c
@@ -110,20 +110,25 @@ static int vx_transfer_end(struct vx_core *chip, int cmd)
{
int err;
- if ((err = vx_reset_chk(chip)) < 0)
+ err = vx_reset_chk(chip);
+ if (err < 0)
return err;
/* irq MESS_READ/WRITE_END */
- if ((err = vx_send_irq_dsp(chip, cmd)) < 0)
+ err = vx_send_irq_dsp(chip, cmd);
+ if (err < 0)
return err;
/* Wait CHK = 1 */
- if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0)
+ err = vx_wait_isr_bit(chip, ISR_CHK);
+ if (err < 0)
return err;
/* If error, Read RX */
- if ((err = vx_inb(chip, ISR)) & ISR_ERR) {
- if ((err = vx_wait_for_rx_full(chip)) < 0) {
+ err = vx_inb(chip, ISR);
+ if (err & ISR_ERR) {
+ err = vx_wait_for_rx_full(chip);
+ if (err < 0) {
snd_printd(KERN_DEBUG "transfer_end: error in rx_full\n");
return err;
}
@@ -232,7 +237,8 @@ int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh)
if (chip->chip_status & VX_STAT_IS_STALE)
return -EBUSY;
- if ((err = vx_reset_chk(chip)) < 0) {
+ err = vx_reset_chk(chip);
+ if (err < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: vx_reset_chk error\n");
return err;
}
@@ -254,7 +260,8 @@ int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh)
rmh->Cmd[0] &= MASK_1_WORD_COMMAND;
/* Wait for TX empty */
- if ((err = vx_wait_isr_bit(chip, ISR_TX_EMPTY)) < 0) {
+ err = vx_wait_isr_bit(chip, ISR_TX_EMPTY);
+ if (err < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: wait tx empty error\n");
return err;
}
@@ -265,18 +272,21 @@ int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh)
vx_outb(chip, TXL, rmh->Cmd[0] & 0xff);
/* Trigger irq MESSAGE */
- if ((err = vx_send_irq_dsp(chip, IRQ_MESSAGE)) < 0) {
+ err = vx_send_irq_dsp(chip, IRQ_MESSAGE);
+ if (err < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: send IRQ_MESSAGE error\n");
return err;
}
/* Wait for CHK = 1 */
- if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0)
+ err = vx_wait_isr_bit(chip, ISR_CHK);
+ if (err < 0)
return err;
/* If error, get error value from RX */
if (vx_inb(chip, ISR) & ISR_ERR) {
- if ((err = vx_wait_for_rx_full(chip)) < 0) {
+ err = vx_wait_for_rx_full(chip);
+ if (err < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: rx_full read error\n");
return err;
}
@@ -292,7 +302,8 @@ int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh)
if (rmh->LgCmd > 1) {
for (i = 1; i < rmh->LgCmd; i++) {
/* Wait for TX ready */
- if ((err = vx_wait_isr_bit(chip, ISR_TX_READY)) < 0) {
+ err = vx_wait_isr_bit(chip, ISR_TX_READY);
+ if (err < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: tx_ready error\n");
return err;
}
@@ -303,13 +314,15 @@ int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh)
vx_outb(chip, TXL, rmh->Cmd[i] & 0xff);
/* Trigger irq MESS_READ_NEXT */
- if ((err = vx_send_irq_dsp(chip, IRQ_MESS_READ_NEXT)) < 0) {
+ err = vx_send_irq_dsp(chip, IRQ_MESS_READ_NEXT);
+ if (err < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: IRQ_READ_NEXT error\n");
return err;
}
}
/* Wait for TX empty */
- if ((err = vx_wait_isr_bit(chip, ISR_TX_READY)) < 0) {
+ err = vx_wait_isr_bit(chip, ISR_TX_READY);
+ if (err < 0) {
snd_printd(KERN_DEBUG "vx_send_msg: TX_READY error\n");
return err;
}
@@ -362,17 +375,21 @@ int vx_send_rih_nolock(struct vx_core *chip, int cmd)
#if 0
printk(KERN_DEBUG "send_rih: cmd = 0x%x\n", cmd);
#endif
- if ((err = vx_reset_chk(chip)) < 0)
+ err = vx_reset_chk(chip);
+ if (err < 0)
return err;
/* send the IRQ */
- if ((err = vx_send_irq_dsp(chip, cmd)) < 0)
+ err = vx_send_irq_dsp(chip, cmd);
+ if (err < 0)
return err;
/* Wait CHK = 1 */
- if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0)
+ err = vx_wait_isr_bit(chip, ISR_CHK);
+ if (err < 0)
return err;
/* If error, read RX */
if (vx_inb(chip, ISR) & ISR_ERR) {
- if ((err = vx_wait_for_rx_full(chip)) < 0)
+ err = vx_wait_for_rx_full(chip);
+ if (err < 0)
return err;
err = vx_inb(chip, RXH) << 16;
err |= vx_inb(chip, RXM) << 8;
@@ -402,7 +419,7 @@ int vx_send_rih(struct vx_core *chip, int cmd)
#define END_OF_RESET_WAIT_TIME 500 /* us */
/**
- * snd_vx_boot_xilinx - boot up the xilinx interface
+ * snd_vx_load_boot_image - boot up the xilinx interface
* @chip: VX core instance
* @boot: the boot record to load
*/
@@ -511,8 +528,9 @@ irqreturn_t snd_vx_threaded_irq_handler(int irq, void *dev)
/* The start on time code conditions are filled (ie the time code
* received by the board is equal to one of those given to it).
*/
- if (events & TIME_CODE_EVENT_PENDING)
+ if (events & TIME_CODE_EVENT_PENDING) {
; /* so far, nothing to do yet */
+ }
/* The frequency has changed on the board (UER mode). */
if (events & FREQUENCY_CHANGE_EVENT_PENDING)
@@ -596,9 +614,9 @@ static void vx_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *b
snd_iprintf(buffer, "%s\n", chip->card->longname);
snd_iprintf(buffer, "Xilinx Firmware: %s\n",
- chip->chip_status & VX_STAT_XILINX_LOADED ? "Loaded" : "No");
+ (chip->chip_status & VX_STAT_XILINX_LOADED) ? "Loaded" : "No");
snd_iprintf(buffer, "Device Initialized: %s\n",
- chip->chip_status & VX_STAT_DEVICE_INIT ? "Yes" : "No");
+ (chip->chip_status & VX_STAT_DEVICE_INIT) ? "Yes" : "No");
snd_iprintf(buffer, "DSP audio info:");
if (chip->audio_info & VX_AUDIO_INFO_REAL_TIME)
snd_iprintf(buffer, " realtime");
@@ -647,7 +665,8 @@ int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *boot)
vx_reset_board(chip, cold_reset);
vx_validate_irq(chip, 0);
- if ((err = snd_vx_load_boot_image(chip, boot)) < 0)
+ err = snd_vx_load_boot_image(chip, boot);
+ if (err < 0)
return err;
msleep(10);
@@ -677,7 +696,8 @@ int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp)
for (i = 0; i < dsp->size; i += 3) {
image = dsp->data + i;
/* Wait DSP ready for a new read */
- if ((err = vx_wait_isr_bit(chip, ISR_TX_EMPTY)) < 0) {
+ err = vx_wait_isr_bit(chip, ISR_TX_EMPTY);
+ if (err < 0) {
printk(KERN_ERR
"dsp loading error at position %d\n", i);
return err;
@@ -697,7 +717,8 @@ int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp)
msleep(200);
- if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0)
+ err = vx_wait_isr_bit(chip, ISR_CHK);
+ if (err < 0)
return err;
vx_toggle_dac_mute(chip, 0);
@@ -753,6 +774,11 @@ int snd_vx_resume(struct vx_core *chip)
EXPORT_SYMBOL(snd_vx_resume);
#endif
+static void snd_vx_release(struct device *dev, void *data)
+{
+ snd_vx_free_firmware(data);
+}
+
/**
* snd_vx_create - constructor for struct vx_core
* @card: card instance
@@ -763,6 +789,8 @@ EXPORT_SYMBOL(snd_vx_resume);
* this function allocates the instance and prepare for the hardware
* initialization.
*
+ * The object is managed via devres, and will be automatically released.
+ *
* return the instance pointer if successful, NULL in error.
*/
struct vx_core *snd_vx_create(struct snd_card *card,
@@ -775,8 +803,9 @@ struct vx_core *snd_vx_create(struct snd_card *card,
if (snd_BUG_ON(!card || !hw || !ops))
return NULL;
- chip = kzalloc(sizeof(*chip) + extra_size, GFP_KERNEL);
- if (! chip)
+ chip = devres_alloc(snd_vx_release, sizeof(*chip) + extra_size,
+ GFP_KERNEL);
+ if (!chip)
return NULL;
mutex_init(&chip->lock);
chip->irq = -1;
diff --git a/sound/drivers/vx/vx_hwdep.c b/sound/drivers/vx/vx_hwdep.c
index 01baa6d872e9..efbb644edba1 100644
--- a/sound/drivers/vx/vx_hwdep.c
+++ b/sound/drivers/vx/vx_hwdep.c
@@ -78,15 +78,19 @@ int snd_vx_setup_firmware(struct vx_core *chip)
/* ok, we reached to the last one */
/* create the devices if not built yet */
- if ((err = snd_vx_pcm_new(chip)) < 0)
+ err = snd_vx_pcm_new(chip);
+ if (err < 0)
return err;
- if ((err = snd_vx_mixer_new(chip)) < 0)
+ err = snd_vx_mixer_new(chip);
+ if (err < 0)
return err;
- if (chip->ops->add_controls)
- if ((err = chip->ops->add_controls(chip)) < 0)
+ if (chip->ops->add_controls) {
+ err = chip->ops->add_controls(chip);
+ if (err < 0)
return err;
+ }
chip->chip_status |= VX_STAT_DEVICE_INIT;
chip->chip_status |= VX_STAT_CHIP_INIT;
diff --git a/sound/drivers/vx/vx_mixer.c b/sound/drivers/vx/vx_mixer.c
index 13099f8c84d6..53d78eb13c53 100644
--- a/sound/drivers/vx/vx_mixer.c
+++ b/sound/drivers/vx/vx_mixer.c
@@ -910,7 +910,8 @@ int snd_vx_mixer_new(struct vx_core *chip)
temp = vx_control_output_level;
temp.index = i;
temp.tlv.p = chip->hw->output_level_db_scale;
- if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
+ err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
+ if (err < 0)
return err;
}
@@ -921,22 +922,26 @@ int snd_vx_mixer_new(struct vx_core *chip)
temp.index = i;
temp.name = "PCM Playback Volume";
temp.private_value = val;
- if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
+ err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
+ if (err < 0)
return err;
temp = vx_control_output_switch;
temp.index = i;
temp.private_value = val;
- if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
+ err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
+ if (err < 0)
return err;
temp = vx_control_monitor_gain;
temp.index = i;
temp.private_value = val;
- if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
+ err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
+ if (err < 0)
return err;
temp = vx_control_monitor_switch;
temp.index = i;
temp.private_value = val;
- if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
+ err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
+ if (err < 0)
return err;
}
for (i = 0; i < chip->hw->num_outs; i++) {
@@ -944,20 +949,25 @@ int snd_vx_mixer_new(struct vx_core *chip)
temp.index = i;
temp.name = "PCM Capture Volume";
temp.private_value = (i * 2) | (1 << 8);
- if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
+ err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
+ if (err < 0)
return err;
}
/* Audio source */
- if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_audio_src, chip))) < 0)
+ err = snd_ctl_add(card, snd_ctl_new1(&vx_control_audio_src, chip));
+ if (err < 0)
return err;
/* clock mode */
- if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_clock_mode, chip))) < 0)
+ err = snd_ctl_add(card, snd_ctl_new1(&vx_control_clock_mode, chip));
+ if (err < 0)
return err;
/* IEC958 controls */
- if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958_mask, chip))) < 0)
+ err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958_mask, chip));
+ if (err < 0)
return err;
- if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958, chip))) < 0)
+ err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958, chip));
+ if (err < 0)
return err;
/* VU, peak, saturation meters */
for (c = 0; c < 2; c++) {
@@ -968,7 +978,8 @@ int snd_vx_mixer_new(struct vx_core *chip)
temp = vx_control_saturation;
temp.index = i;
temp.private_value = val;
- if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
+ err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
+ if (err < 0)
return err;
}
sprintf(name, "%s VU Meter", dir[c]);
@@ -976,14 +987,16 @@ int snd_vx_mixer_new(struct vx_core *chip)
temp.index = i;
temp.name = name;
temp.private_value = val;
- if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
+ err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
+ if (err < 0)
return err;
sprintf(name, "%s Peak Meter", dir[c]);
temp = vx_control_peak_meter;
temp.index = i;
temp.name = name;
temp.private_value = val;
- if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
+ err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
+ if (err < 0)
return err;
}
}
diff --git a/sound/drivers/vx/vx_pcm.c b/sound/drivers/vx/vx_pcm.c
index 664b9efa9a50..ceaeb257003b 100644
--- a/sound/drivers/vx/vx_pcm.c
+++ b/sound/drivers/vx/vx_pcm.c
@@ -60,7 +60,6 @@ static void vx_pcm_read_per_bytes(struct vx_core *chip, struct snd_pcm_runtime *
*buf++ = vx_inb(chip, RXL);
if (++offset >= pipe->buffer_bytes) {
offset = 0;
- buf = (unsigned char *)runtime->dma_area;
}
pipe->hw_ptr = offset;
}
@@ -342,10 +341,12 @@ static int vx_toggle_pipe(struct vx_core *chip, struct vx_pipe *pipe, int state)
}
}
- if ((err = vx_conf_pipe(chip, pipe)) < 0)
+ err = vx_conf_pipe(chip, pipe);
+ if (err < 0)
return err;
- if ((err = vx_send_irqa(chip)) < 0)
+ err = vx_send_irqa(chip);
+ if (err < 0)
return err;
/* If it completes successfully, wait for the pipes
@@ -530,7 +531,6 @@ static int vx_pcm_playback_open(struct snd_pcm_substream *subs)
err = vx_alloc_pipe(chip, 0, audio, 2, &pipe); /* stereo playback */
if (err < 0)
return err;
- chip->playback_pipes[audio] = pipe;
}
/* open for playback */
pipe->references++;
@@ -682,8 +682,9 @@ static void vx_pcm_playback_transfer(struct vx_core *chip,
if (! pipe->prepared || (chip->chip_status & VX_STAT_IS_STALE))
return;
for (i = 0; i < nchunks; i++) {
- if ((err = vx_pcm_playback_transfer_chunk(chip, runtime, pipe,
- chip->ibl.size)) < 0)
+ err = vx_pcm_playback_transfer_chunk(chip, runtime, pipe,
+ chip->ibl.size);
+ if (err < 0)
return;
}
}
@@ -700,7 +701,8 @@ static void vx_pcm_playback_update(struct vx_core *chip,
struct snd_pcm_runtime *runtime = subs->runtime;
if (pipe->running && ! (chip->chip_status & VX_STAT_IS_STALE)) {
- if ((err = vx_update_pipe_position(chip, runtime, pipe)) < 0)
+ err = vx_update_pipe_position(chip, runtime, pipe);
+ if (err < 0)
return;
if (pipe->transferred >= (int)runtime->period_size) {
pipe->transferred %= runtime->period_size;
@@ -749,11 +751,13 @@ static int vx_pcm_trigger(struct snd_pcm_substream *subs, int cmd)
pipe->running = 0;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- if ((err = vx_toggle_pipe(chip, pipe, 0)) < 0)
+ err = vx_toggle_pipe(chip, pipe, 0);
+ if (err < 0)
return err;
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- if ((err = vx_toggle_pipe(chip, pipe, 1)) < 0)
+ err = vx_toggle_pipe(chip, pipe, 1);
+ if (err < 0)
return err;
break;
default:
@@ -794,13 +798,15 @@ static int vx_pcm_prepare(struct snd_pcm_substream *subs)
snd_printdd(KERN_DEBUG "reopen the pipe with data_mode = %d\n", data_mode);
vx_init_rmh(&rmh, CMD_FREE_PIPE);
vx_set_pipe_cmd_params(&rmh, 0, pipe->number, 0);
- if ((err = vx_send_msg(chip, &rmh)) < 0)
+ err = vx_send_msg(chip, &rmh);
+ if (err < 0)
return err;
vx_init_rmh(&rmh, CMD_RES_PIPE);
vx_set_pipe_cmd_params(&rmh, 0, pipe->number, pipe->channels);
if (data_mode)
rmh.Cmd[0] |= BIT_DATA_MODE;
- if ((err = vx_send_msg(chip, &rmh)) < 0)
+ err = vx_send_msg(chip, &rmh);
+ if (err < 0)
return err;
pipe->data_mode = data_mode;
}
@@ -812,7 +818,8 @@ static int vx_pcm_prepare(struct snd_pcm_substream *subs)
}
vx_set_clock(chip, runtime->rate);
- if ((err = vx_set_format(chip, pipe, runtime)) < 0)
+ err = vx_set_format(chip, pipe, runtime);
+ if (err < 0)
return err;
if (vx_is_pcmcia(chip)) {
@@ -1156,8 +1163,7 @@ static int vx_init_audio_io(struct vx_core *chip)
chip->ibl.size = 0;
vx_set_ibl(chip, &chip->ibl); /* query the info */
if (preferred > 0) {
- chip->ibl.size = ((preferred + chip->ibl.granularity - 1) /
- chip->ibl.granularity) * chip->ibl.granularity;
+ chip->ibl.size = roundup(preferred, chip->ibl.granularity);
if (chip->ibl.size > chip->ibl.max_size)
chip->ibl.size = chip->ibl.max_size;
} else
@@ -1190,7 +1196,8 @@ int snd_vx_pcm_new(struct vx_core *chip)
unsigned int i;
int err;
- if ((err = vx_init_audio_io(chip)) < 0)
+ err = vx_init_audio_io(chip);
+ if (err < 0)
return err;
for (i = 0; i < chip->hw->num_codecs; i++) {
@@ -1208,8 +1215,7 @@ int snd_vx_pcm_new(struct vx_core *chip)
if (ins)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &vx_pcm_capture_ops);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_VMALLOC,
- snd_dma_continuous_data(GFP_KERNEL | GFP_DMA32),
- 0, 0);
+ NULL, 0, 0);
pcm->private_data = chip;
pcm->private_free = snd_vx_pcm_free;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.