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path: root/drivers/media/video/cx25821/cx25821-audio-upstream.c
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Diffstat (limited to 'drivers/media/video/cx25821/cx25821-audio-upstream.c')
-rw-r--r--drivers/media/video/cx25821/cx25821-audio-upstream.c113
1 files changed, 52 insertions, 61 deletions
diff --git a/drivers/media/video/cx25821/cx25821-audio-upstream.c b/drivers/media/video/cx25821/cx25821-audio-upstream.c
index c20d6dece154..20c7ca3351a8 100644
--- a/drivers/media/video/cx25821/cx25821-audio-upstream.c
+++ b/drivers/media/video/cx25821/cx25821-audio-upstream.c
@@ -107,7 +107,7 @@ static __le32 *cx25821_risc_field_upstream_audio(struct cx25821_dev *dev,
{
unsigned int line;
struct sram_channel *sram_ch =
- dev->channels[dev->_audio_upstream_channel].sram_channels;
+ dev->channels[dev->_audio_upstream_channel].sram_channels;
int offset = 0;
/* scan lines */
@@ -175,10 +175,8 @@ int cx25821_risc_buffer_upstream_audio(struct cx25821_dev *dev,
}
rp = cx25821_risc_field_upstream_audio(dev, rp,
- dev->
- _audiodata_buf_phys_addr
- + databuf_offset, bpl,
- fifo_enable);
+ dev->_audiodata_buf_phys_addr + databuf_offset,
+ bpl, fifo_enable);
if (USE_RISC_NOOP_AUDIO) {
for (i = 0; i < NUM_NO_OPS; i++)
@@ -193,7 +191,7 @@ int cx25821_risc_buffer_upstream_audio(struct cx25821_dev *dev,
/* Recalculate virtual address based on frame index */
rp = dev->_risc_virt_addr + RISC_SYNC_INSTRUCTION_SIZE / 4 +
- (AUDIO_RISC_DMA_BUF_SIZE * (frame + 1) / 4);
+ (AUDIO_RISC_DMA_BUF_SIZE * (frame + 1) / 4);
}
return 0;
@@ -218,7 +216,7 @@ void cx25821_free_memory_audio(struct cx25821_dev *dev)
void cx25821_stop_upstream_audio(struct cx25821_dev *dev)
{
struct sram_channel *sram_ch =
- dev->channels[AUDIO_UPSTREAM_SRAM_CHANNEL_B].sram_channels;
+ dev->channels[AUDIO_UPSTREAM_SRAM_CHANNEL_B].sram_channels;
u32 tmp = 0;
if (!dev->_audio_is_running) {
@@ -286,14 +284,14 @@ int cx25821_get_audio_data(struct cx25821_dev *dev,
} else {
if (!(myfile->f_op)) {
pr_err("%s(): File has no file operations registered!\n",
- __func__);
+ __func__);
filp_close(myfile, NULL);
return -EIO;
}
if (!myfile->f_op->read) {
pr_err("%s(): File has no READ operations registered!\n",
- __func__);
+ __func__);
filp_close(myfile, NULL);
return -EIO;
}
@@ -305,14 +303,14 @@ int cx25821_get_audio_data(struct cx25821_dev *dev,
for (i = 0; i < dev->_audio_lines_count; i++) {
pos = file_offset;
- vfs_read_retval =
- vfs_read(myfile, mybuf, line_size, &pos);
+ vfs_read_retval = vfs_read(myfile, mybuf, line_size,
+ &pos);
if (vfs_read_retval > 0 && vfs_read_retval == line_size
&& dev->_audiodata_buf_virt_addr != NULL) {
memcpy((void *)(dev->_audiodata_buf_virt_addr +
frame_offset / 4), mybuf,
- vfs_read_retval);
+ vfs_read_retval);
}
file_offset += vfs_read_retval;
@@ -328,8 +326,8 @@ int cx25821_get_audio_data(struct cx25821_dev *dev,
if (i > 0)
dev->_audioframe_count++;
- dev->_audiofile_status =
- (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
+ dev->_audiofile_status = (vfs_read_retval == line_size) ?
+ IN_PROGRESS : END_OF_FILE;
set_fs(old_fs);
filp_close(myfile, NULL);
@@ -340,12 +338,12 @@ int cx25821_get_audio_data(struct cx25821_dev *dev,
static void cx25821_audioups_handler(struct work_struct *work)
{
- struct cx25821_dev *dev =
- container_of(work, struct cx25821_dev, _audio_work_entry);
+ struct cx25821_dev *dev = container_of(work, struct cx25821_dev,
+ _audio_work_entry);
if (!dev) {
pr_err("ERROR %s(): since container_of(work_struct) FAILED!\n",
- __func__);
+ __func__);
return;
}
@@ -370,19 +368,19 @@ int cx25821_openfile_audio(struct cx25821_dev *dev,
if (IS_ERR(myfile)) {
const int open_errno = -PTR_ERR(myfile);
pr_err("%s(): ERROR opening file(%s) with errno = %d!\n",
- __func__, dev->_audiofilename, open_errno);
+ __func__, dev->_audiofilename, open_errno);
return PTR_ERR(myfile);
} else {
if (!(myfile->f_op)) {
pr_err("%s(): File has no file operations registered!\n",
- __func__);
+ __func__);
filp_close(myfile, NULL);
return -EIO;
}
if (!myfile->f_op->read) {
pr_err("%s(): File has no READ operations registered!\n",
- __func__);
+ __func__);
filp_close(myfile, NULL);
return -EIO;
}
@@ -395,12 +393,12 @@ int cx25821_openfile_audio(struct cx25821_dev *dev,
for (i = 0; i < dev->_audio_lines_count; i++) {
pos = offset;
- vfs_read_retval =
- vfs_read(myfile, mybuf, line_size, &pos);
+ vfs_read_retval = vfs_read(myfile, mybuf,
+ line_size, &pos);
- if (vfs_read_retval > 0
- && vfs_read_retval == line_size
- && dev->_audiodata_buf_virt_addr != NULL) {
+ if (vfs_read_retval > 0 &&
+ vfs_read_retval == line_size &&
+ dev->_audiodata_buf_virt_addr != NULL) {
memcpy((void *)(dev->
_audiodata_buf_virt_addr
+ offset / 4), mybuf,
@@ -423,8 +421,8 @@ int cx25821_openfile_audio(struct cx25821_dev *dev,
break;
}
- dev->_audiofile_status =
- (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
+ dev->_audiofile_status = (vfs_read_retval == line_size) ?
+ IN_PROGRESS : END_OF_FILE;
set_fs(old_fs);
myfile->f_pos = 0;
@@ -444,9 +442,8 @@ static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev,
cx25821_free_memory_audio(dev);
- dev->_risc_virt_addr =
- pci_alloc_consistent(dev->pci, dev->audio_upstream_riscbuf_size,
- &dma_addr);
+ dev->_risc_virt_addr = pci_alloc_consistent(dev->pci,
+ dev->audio_upstream_riscbuf_size, &dma_addr);
dev->_risc_virt_start_addr = dev->_risc_virt_addr;
dev->_risc_phys_start_addr = dma_addr;
dev->_risc_phys_addr = dma_addr;
@@ -454,22 +451,21 @@ static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev,
if (!dev->_risc_virt_addr) {
printk(KERN_DEBUG
- pr_fmt("ERROR: pci_alloc_consistent() FAILED to allocate memory for RISC program! Returning\n"));
+ pr_fmt("ERROR: pci_alloc_consistent() FAILED to allocate memory for RISC program! Returning\n"));
return -ENOMEM;
}
/* Clear out memory at address */
memset(dev->_risc_virt_addr, 0, dev->_audiorisc_size);
/* For Audio Data buffer allocation */
- dev->_audiodata_buf_virt_addr =
- pci_alloc_consistent(dev->pci, dev->audio_upstream_databuf_size,
- &data_dma_addr);
+ dev->_audiodata_buf_virt_addr = pci_alloc_consistent(dev->pci,
+ dev->audio_upstream_databuf_size, &data_dma_addr);
dev->_audiodata_buf_phys_addr = data_dma_addr;
dev->_audiodata_buf_size = dev->audio_upstream_databuf_size;
if (!dev->_audiodata_buf_virt_addr) {
printk(KERN_DEBUG
- pr_fmt("ERROR: pci_alloc_consistent() FAILED to allocate memory for data buffer! Returning\n"));
+ pr_fmt("ERROR: pci_alloc_consistent() FAILED to allocate memory for data buffer! Returning\n"));
return -ENOMEM;
}
/* Clear out memory at address */
@@ -480,12 +476,11 @@ static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev,
return ret;
/* Creating RISC programs */
- ret =
- cx25821_risc_buffer_upstream_audio(dev, dev->pci, bpl,
- dev->_audio_lines_count);
+ ret = cx25821_risc_buffer_upstream_audio(dev, dev->pci, bpl,
+ dev->_audio_lines_count);
if (ret < 0) {
printk(KERN_DEBUG
- pr_fmt("ERROR creating audio upstream RISC programs!\n"));
+ pr_fmt("ERROR creating audio upstream RISC programs!\n"));
goto error;
}
@@ -533,9 +528,9 @@ int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num,
if (dev->_risc_virt_start_addr != NULL) {
risc_phys_jump_addr =
- dev->_risc_phys_start_addr +
- RISC_SYNC_INSTRUCTION_SIZE +
- AUDIO_RISC_DMA_BUF_SIZE;
+ dev->_risc_phys_start_addr +
+ RISC_SYNC_INSTRUCTION_SIZE +
+ AUDIO_RISC_DMA_BUF_SIZE;
rp = cx25821_risc_field_upstream_audio(dev,
dev->_risc_virt_start_addr + 1,
@@ -632,7 +627,7 @@ static void cx25821_wait_fifo_enable(struct cx25821_dev *dev,
/* 10 millisecond timeout */
if (count++ > 1000) {
pr_err("ERROR: %s() fifo is NOT turned on. Timeout!\n",
- __func__);
+ __func__);
return;
}
@@ -661,9 +656,9 @@ int cx25821_start_audio_dma_upstream(struct cx25821_dev *dev,
/* Set the input mode to 16-bit */
tmp = cx_read(sram_ch->aud_cfg);
- tmp |=
- FLD_AUD_SRC_ENABLE | FLD_AUD_DST_PK_MODE | FLD_AUD_CLK_ENABLE |
- FLD_AUD_MASTER_MODE | FLD_AUD_CLK_SELECT_PLL_D | FLD_AUD_SONY_MODE;
+ tmp |= FLD_AUD_SRC_ENABLE | FLD_AUD_DST_PK_MODE | FLD_AUD_CLK_ENABLE |
+ FLD_AUD_MASTER_MODE | FLD_AUD_CLK_SELECT_PLL_D |
+ FLD_AUD_SONY_MODE;
cx_write(sram_ch->aud_cfg, tmp);
/* Read and write back the interrupt status register to clear it */
@@ -678,12 +673,11 @@ int cx25821_start_audio_dma_upstream(struct cx25821_dev *dev,
tmp = cx_read(sram_ch->int_msk);
cx_write(sram_ch->int_msk, tmp |= _intr_msk);
- err =
- request_irq(dev->pci->irq, cx25821_upstream_irq_audio,
+ err = request_irq(dev->pci->irq, cx25821_upstream_irq_audio,
IRQF_SHARED, dev->name, dev);
if (err < 0) {
- pr_err("%s: can't get upstream IRQ %d\n",
- dev->name, dev->pci->irq);
+ pr_err("%s: can't get upstream IRQ %d\n", dev->name,
+ dev->pci->irq);
goto fail_irq;
}
@@ -726,7 +720,7 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
if (!dev->_irq_audio_queues) {
printk(KERN_DEBUG
- pr_fmt("ERROR: create_singlethread_workqueue() for Audio FAILED!\n"));
+ pr_fmt("ERROR: create_singlethread_workqueue() for Audio FAILED!\n"));
return -ENOMEM;
}
@@ -739,33 +733,30 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
if (dev->input_audiofilename) {
str_length = strlen(dev->input_audiofilename);
- dev->_audiofilename = kmalloc(str_length + 1, GFP_KERNEL);
+ dev->_audiofilename = kmemdup(dev->input_audiofilename,
+ str_length + 1, GFP_KERNEL);
if (!dev->_audiofilename)
goto error;
- memcpy(dev->_audiofilename, dev->input_audiofilename,
- str_length + 1);
-
/* Default if filename is empty string */
if (strcmp(dev->input_audiofilename, "") == 0)
dev->_audiofilename = "/root/audioGOOD.wav";
} else {
str_length = strlen(_defaultAudioName);
- dev->_audiofilename = kmalloc(str_length + 1, GFP_KERNEL);
+ dev->_audiofilename = kmemdup(_defaultAudioName,
+ str_length + 1, GFP_KERNEL);
if (!dev->_audiofilename)
goto error;
-
- memcpy(dev->_audiofilename, _defaultAudioName, str_length + 1);
}
retval = cx25821_sram_channel_setup_upstream_audio(dev, sram_ch,
_line_size, 0);
dev->audio_upstream_riscbuf_size =
- AUDIO_RISC_DMA_BUF_SIZE * NUM_AUDIO_PROGS +
- RISC_SYNC_INSTRUCTION_SIZE;
+ AUDIO_RISC_DMA_BUF_SIZE * NUM_AUDIO_PROGS +
+ RISC_SYNC_INSTRUCTION_SIZE;
dev->audio_upstream_databuf_size = AUDIO_DATA_BUF_SZ * NUM_AUDIO_PROGS;
/* Allocating buffers and prepare RISC program */
@@ -773,7 +764,7 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
_line_size);
if (retval < 0) {
pr_err("%s: Failed to set up Audio upstream buffers!\n",
- dev->name);
+ dev->name);
goto error;
}
/* Start RISC engine */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 19:42:17 +0100