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Diffstat (limited to 'drivers/media/video/cx25821/cx25821-video-upstream.c')
-rw-r--r--drivers/media/video/cx25821/cx25821-video-upstream.c156
1 files changed, 64 insertions, 92 deletions
diff --git a/drivers/media/video/cx25821/cx25821-video-upstream.c b/drivers/media/video/cx25821/cx25821-video-upstream.c
index c0b80068f46..21e7d657f04 100644
--- a/drivers/media/video/cx25821/cx25821-video-upstream.c
+++ b/drivers/media/video/cx25821/cx25821-video-upstream.c
@@ -136,7 +136,7 @@ static __le32 *cx25821_risc_field_upstream(struct cx25821_dev *dev, __le32 * rp,
{
unsigned int line, i;
struct sram_channel *sram_ch =
- dev->channels[dev->_channel_upstream_select].sram_channels;
+ dev->channels[dev->_channel_upstream_select].sram_channels;
int dist_betwn_starts = bpl * 2;
/* sync instruction */
@@ -194,15 +194,12 @@ int cx25821_risc_buffer_upstream(struct cx25821_dev *dev,
if (dev->_isNTSC) {
odd_num_lines = singlefield_lines + 1;
risc_program_size = FRAME1_VID_PROG_SIZE;
- frame_size =
- (bpl ==
- Y411_LINE_SZ) ? FRAME_SIZE_NTSC_Y411 :
- FRAME_SIZE_NTSC_Y422;
+ frame_size = (bpl == Y411_LINE_SZ) ?
+ FRAME_SIZE_NTSC_Y411 : FRAME_SIZE_NTSC_Y422;
} else {
risc_program_size = PAL_VID_PROG_SIZE;
- frame_size =
- (bpl ==
- Y411_LINE_SZ) ? FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;
+ frame_size = (bpl == Y411_LINE_SZ) ?
+ FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;
}
/* Virtual address of Risc buffer program */
@@ -214,13 +211,9 @@ int cx25821_risc_buffer_upstream(struct cx25821_dev *dev,
if (UNSET != top_offset) {
fifo_enable = (frame == 0) ? FIFO_ENABLE : FIFO_DISABLE;
rp = cx25821_risc_field_upstream(dev, rp,
- dev->
- _data_buf_phys_addr +
- databuf_offset,
- top_offset, 0, bpl,
- odd_num_lines,
- fifo_enable,
- ODD_FIELD);
+ dev->_data_buf_phys_addr +
+ databuf_offset, top_offset, 0, bpl,
+ odd_num_lines, fifo_enable, ODD_FIELD);
}
fifo_enable = FIFO_DISABLE;
@@ -234,8 +227,8 @@ int cx25821_risc_buffer_upstream(struct cx25821_dev *dev,
if (frame == 0) {
risc_flag = RISC_CNT_RESET;
- risc_phys_jump_addr =
- dev->_dma_phys_start_addr + risc_program_size;
+ risc_phys_jump_addr = dev->_dma_phys_start_addr +
+ risc_program_size;
} else {
risc_phys_jump_addr = dev->_dma_phys_start_addr;
risc_flag = RISC_CNT_INC;
@@ -255,7 +248,7 @@ int cx25821_risc_buffer_upstream(struct cx25821_dev *dev,
void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev)
{
struct sram_channel *sram_ch =
- dev->channels[VID_UPSTREAM_SRAM_CHANNEL_I].sram_channels;
+ dev->channels[VID_UPSTREAM_SRAM_CHANNEL_I].sram_channels;
u32 tmp = 0;
if (!dev->_is_running) {
@@ -312,9 +305,8 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch)
struct file *myfile;
int frame_index_temp = dev->_frame_index;
int i = 0;
- int line_size =
- (dev->_pixel_format ==
- PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ;
+ int line_size = (dev->_pixel_format == PIXEL_FRMT_411) ?
+ Y411_LINE_SZ : Y422_LINE_SZ;
int frame_size = 0;
int frame_offset = 0;
ssize_t vfs_read_retval = 0;
@@ -326,16 +318,12 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch)
if (dev->_file_status == END_OF_FILE)
return 0;
- if (dev->_isNTSC) {
- frame_size =
- (line_size ==
- Y411_LINE_SZ) ? FRAME_SIZE_NTSC_Y411 :
- FRAME_SIZE_NTSC_Y422;
- } else {
- frame_size =
- (line_size ==
- Y411_LINE_SZ) ? FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;
- }
+ if (dev->_isNTSC)
+ frame_size = (line_size == Y411_LINE_SZ) ?
+ FRAME_SIZE_NTSC_Y411 : FRAME_SIZE_NTSC_Y422;
+ else
+ frame_size = (line_size == Y411_LINE_SZ) ?
+ FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;
frame_offset = (frame_index_temp > 0) ? frame_size : 0;
file_offset = dev->_frame_count * frame_size;
@@ -369,8 +357,8 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch)
for (i = 0; i < dev->_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->_data_buf_virt_addr != NULL) {
@@ -392,8 +380,8 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch)
if (i > 0)
dev->_frame_count++;
- dev->_file_status =
- (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
+ dev->_file_status = (vfs_read_retval == line_size) ?
+ IN_PROGRESS : END_OF_FILE;
set_fs(old_fs);
filp_close(myfile, NULL);
@@ -404,8 +392,8 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch)
static void cx25821_vidups_handler(struct work_struct *work)
{
- struct cx25821_dev *dev =
- container_of(work, struct cx25821_dev, _irq_work_entry);
+ struct cx25821_dev *dev = container_of(work, struct cx25821_dev,
+ _irq_work_entry);
if (!dev) {
pr_err("ERROR %s(): since container_of(work_struct) FAILED!\n",
@@ -413,18 +401,16 @@ static void cx25821_vidups_handler(struct work_struct *work)
return;
}
- cx25821_get_frame(dev,
- dev->channels[dev->_channel_upstream_select].
- sram_channels);
+ cx25821_get_frame(dev, dev->channels[dev->_channel_upstream_select].
+ sram_channels);
}
int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
{
struct file *myfile;
int i = 0, j = 0;
- int line_size =
- (dev->_pixel_format ==
- PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ;
+ int line_size = (dev->_pixel_format == PIXEL_FRMT_411) ?
+ Y411_LINE_SZ : Y422_LINE_SZ;
ssize_t vfs_read_retval = 0;
char mybuf[line_size];
loff_t pos;
@@ -461,8 +447,8 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
for (i = 0; i < dev->_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
@@ -489,8 +475,8 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
break;
}
- dev->_file_status =
- (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
+ dev->_file_status = (vfs_read_retval == line_size) ?
+ IN_PROGRESS : END_OF_FILE;
set_fs(old_fs);
myfile->f_pos = 0;
@@ -507,14 +493,12 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev,
dma_addr_t dma_addr;
dma_addr_t data_dma_addr;
- if (dev->_dma_virt_addr != NULL) {
+ if (dev->_dma_virt_addr != NULL)
pci_free_consistent(dev->pci, dev->upstream_riscbuf_size,
- dev->_dma_virt_addr, dev->_dma_phys_addr);
- }
+ dev->_dma_virt_addr, dev->_dma_phys_addr);
- dev->_dma_virt_addr =
- pci_alloc_consistent(dev->pci, dev->upstream_riscbuf_size,
- &dma_addr);
+ dev->_dma_virt_addr = pci_alloc_consistent(dev->pci,
+ dev->upstream_riscbuf_size, &dma_addr);
dev->_dma_virt_start_addr = dev->_dma_virt_addr;
dev->_dma_phys_start_addr = dma_addr;
dev->_dma_phys_addr = dma_addr;
@@ -528,15 +512,13 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev,
/* Clear memory at address */
memset(dev->_dma_virt_addr, 0, dev->_risc_size);
- if (dev->_data_buf_virt_addr != NULL) {
+ if (dev->_data_buf_virt_addr != NULL)
pci_free_consistent(dev->pci, dev->upstream_databuf_size,
- dev->_data_buf_virt_addr,
- dev->_data_buf_phys_addr);
- }
+ dev->_data_buf_virt_addr,
+ dev->_data_buf_phys_addr);
/* For Video Data buffer allocation */
- dev->_data_buf_virt_addr =
- pci_alloc_consistent(dev->pci, dev->upstream_databuf_size,
- &data_dma_addr);
+ dev->_data_buf_virt_addr = pci_alloc_consistent(dev->pci,
+ dev->upstream_databuf_size, &data_dma_addr);
dev->_data_buf_phys_addr = data_dma_addr;
dev->_data_buf_size = dev->upstream_databuf_size;
@@ -553,9 +535,8 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev,
return ret;
/* Create RISC programs */
- ret =
- cx25821_risc_buffer_upstream(dev, dev->pci, 0, bpl,
- dev->_lines_count);
+ ret = cx25821_risc_buffer_upstream(dev, dev->pci, 0, bpl,
+ dev->_lines_count);
if (ret < 0) {
pr_info("Failed creating Video Upstream Risc programs!\n");
goto error;
@@ -672,10 +653,9 @@ static irqreturn_t cx25821_upstream_irq(int irq, void *dev_id)
vid_status = cx_read(sram_ch->int_stat);
/* Only deal with our interrupt */
- if (vid_status) {
- handled =
- cx25821_video_upstream_irq(dev, channel_num, vid_status);
- }
+ if (vid_status)
+ handled = cx25821_video_upstream_irq(dev, channel_num,
+ vid_status);
if (handled < 0)
cx25821_stop_upstream_video_ch1(dev);
@@ -747,8 +727,7 @@ int cx25821_start_video_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,
+ err = request_irq(dev->pci->irq, cx25821_upstream_irq,
IRQF_SHARED, dev->name, dev);
if (err < 0) {
pr_err("%s: can't get upstream IRQ %d\n",
@@ -807,43 +786,38 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
dev->_file_status = RESET_STATUS;
dev->_lines_count = dev->_isNTSC ? 480 : 576;
dev->_pixel_format = pixel_format;
- dev->_line_size =
- (dev->_pixel_format ==
- PIXEL_FRMT_422) ? (WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2;
+ dev->_line_size = (dev->_pixel_format == PIXEL_FRMT_422) ?
+ (WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2;
data_frame_size = dev->_isNTSC ? NTSC_DATA_BUF_SZ : PAL_DATA_BUF_SZ;
- risc_buffer_size =
- dev->_isNTSC ? NTSC_RISC_BUF_SIZE : PAL_RISC_BUF_SIZE;
+ risc_buffer_size = dev->_isNTSC ?
+ NTSC_RISC_BUF_SIZE : PAL_RISC_BUF_SIZE;
if (dev->input_filename) {
str_length = strlen(dev->input_filename);
- dev->_filename = kmalloc(str_length + 1, GFP_KERNEL);
+ dev->_filename = kmemdup(dev->input_filename, str_length + 1,
+ GFP_KERNEL);
if (!dev->_filename)
goto error;
-
- memcpy(dev->_filename, dev->input_filename, str_length + 1);
} else {
str_length = strlen(dev->_defaultname);
- dev->_filename = kmalloc(str_length + 1, GFP_KERNEL);
+ dev->_filename = kmemdup(dev->_defaultname, str_length + 1,
+ GFP_KERNEL);
if (!dev->_filename)
goto error;
-
- memcpy(dev->_filename, dev->_defaultname, str_length + 1);
}
/* Default if filename is empty string */
if (strcmp(dev->input_filename, "") == 0) {
if (dev->_isNTSC) {
dev->_filename =
- (dev->_pixel_format ==
- PIXEL_FRMT_411) ? "/root/vid411.yuv" :
- "/root/vidtest.yuv";
+ (dev->_pixel_format == PIXEL_FRMT_411) ?
+ "/root/vid411.yuv" : "/root/vidtest.yuv";
} else {
dev->_filename =
- (dev->_pixel_format ==
- PIXEL_FRMT_411) ? "/root/pal411.yuv" :
- "/root/pal422.yuv";
+ (dev->_pixel_format == PIXEL_FRMT_411) ?
+ "/root/pal411.yuv" : "/root/pal422.yuv";
}
}
@@ -852,13 +826,11 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
dev->_file_status = RESET_STATUS;
dev->_lines_count = dev->_isNTSC ? 480 : 576;
dev->_pixel_format = pixel_format;
- dev->_line_size =
- (dev->_pixel_format ==
- PIXEL_FRMT_422) ? (WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2;
+ dev->_line_size = (dev->_pixel_format == PIXEL_FRMT_422) ?
+ (WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2;
- retval =
- cx25821_sram_channel_setup_upstream(dev, sram_ch, dev->_line_size,
- 0);
+ retval = cx25821_sram_channel_setup_upstream(dev, sram_ch,
+ dev->_line_size, 0);
/* setup fifo + format */
cx25821_set_pixelengine(dev, sram_ch, dev->_pixel_format);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-23 22:05:19 +0000