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path: root/drivers/staging/cx25821/cx25821-video-upstream-ch2.c
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Diffstat (limited to 'drivers/staging/cx25821/cx25821-video-upstream-ch2.c')
-rw-r--r--drivers/staging/cx25821/cx25821-video-upstream-ch2.c658
1 files changed, 329 insertions, 329 deletions
diff --git a/drivers/staging/cx25821/cx25821-video-upstream-ch2.c b/drivers/staging/cx25821/cx25821-video-upstream-ch2.c
index ca91b832b01..720729efc31 100644
--- a/drivers/staging/cx25821/cx25821-video-upstream-ch2.c
+++ b/drivers/staging/cx25821/cx25821-video-upstream-ch2.c
@@ -44,97 +44,97 @@ static int _intr_msk = FLD_VID_SRC_RISC1 | FLD_VID_SRC_UF | FLD_VID_SRC_SYNC | F
static __le32 *cx25821_update_riscprogram_ch2( struct cx25821_dev *dev,
- __le32 *rp, unsigned int offset, unsigned int bpl,
- u32 sync_line, unsigned int lines, int fifo_enable, int field_type)
+ __le32 *rp, unsigned int offset, unsigned int bpl,
+ u32 sync_line, unsigned int lines, int fifo_enable, int field_type)
{
unsigned int line, i;
int dist_betwn_starts = bpl * 2;
-
+
*(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
if( USE_RISC_NOOP_VIDEO )
{
- for( i = 0; i < NUM_NO_OPS; i++ )
- {
- *(rp++) = cpu_to_le32(RISC_NOOP);
- }
+ for( i = 0; i < NUM_NO_OPS; i++ )
+ {
+ *(rp++) = cpu_to_le32(RISC_NOOP);
+ }
}
/* scan lines */
for (line = 0; line < lines; line++)
{
- *(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl);
- *(rp++) = cpu_to_le32(dev->_data_buf_phys_addr_ch2+offset);
- *(rp++) = cpu_to_le32(0); /* bits 63-32 */
-
- if ( (lines <= NTSC_FIELD_HEIGHT) || (line < (NTSC_FIELD_HEIGHT-1)) || !(dev->_isNTSC_ch2) )
- {
- offset += dist_betwn_starts;
- }
+ *(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl);
+ *(rp++) = cpu_to_le32(dev->_data_buf_phys_addr_ch2+offset);
+ *(rp++) = cpu_to_le32(0); /* bits 63-32 */
+
+ if ( (lines <= NTSC_FIELD_HEIGHT) || (line < (NTSC_FIELD_HEIGHT-1)) || !(dev->_isNTSC_ch2) )
+ {
+ offset += dist_betwn_starts;
+ }
}
return rp;
}
static __le32 *cx25821_risc_field_upstream_ch2( struct cx25821_dev *dev,
- __le32 *rp,
- dma_addr_t databuf_phys_addr,
- unsigned int offset, u32 sync_line, unsigned int bpl,
- unsigned int lines, int fifo_enable, int field_type)
+ __le32 *rp,
+ dma_addr_t databuf_phys_addr,
+ unsigned int offset, u32 sync_line, unsigned int bpl,
+ unsigned int lines, int fifo_enable, int field_type)
{
unsigned int line, i;
struct sram_channel *sram_ch = &dev->sram_channels[dev->_channel2_upstream_select];
int dist_betwn_starts = bpl * 2;
-
+
/* sync instruction */
if (sync_line != NO_SYNC_LINE)
{
- *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
+ *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
}
if( USE_RISC_NOOP_VIDEO )
{
- for( i = 0; i < NUM_NO_OPS; i++ )
- {
- *(rp++) = cpu_to_le32(RISC_NOOP);
- }
+ for( i = 0; i < NUM_NO_OPS; i++ )
+ {
+ *(rp++) = cpu_to_le32(RISC_NOOP);
+ }
}
/* scan lines */
for (line = 0; line < lines; line++)
{
- *(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl);
- *(rp++) = cpu_to_le32(databuf_phys_addr+offset);
- *(rp++) = cpu_to_le32(0); /* bits 63-32 */
-
-
- if ( (lines <= NTSC_FIELD_HEIGHT) || (line < (NTSC_FIELD_HEIGHT-1)) || !(dev->_isNTSC_ch2) )
- {
- offset += dist_betwn_starts;
- }
-
-
- // check if we need to enable the FIFO after the first 4 lines
- // For the upstream video channel, the risc engine will enable the FIFO.
- if ( fifo_enable && line == 3 )
- {
- *(rp++) = RISC_WRITECR;
- *(rp++) = sram_ch->dma_ctl;
- *(rp++) = FLD_VID_FIFO_EN;
- *(rp++) = 0x00000001;
- }
- }
-
+ *(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl);
+ *(rp++) = cpu_to_le32(databuf_phys_addr+offset);
+ *(rp++) = cpu_to_le32(0); /* bits 63-32 */
+
+
+ if ( (lines <= NTSC_FIELD_HEIGHT) || (line < (NTSC_FIELD_HEIGHT-1)) || !(dev->_isNTSC_ch2) )
+ {
+ offset += dist_betwn_starts;
+ }
+
+
+ // check if we need to enable the FIFO after the first 4 lines
+ // For the upstream video channel, the risc engine will enable the FIFO.
+ if ( fifo_enable && line == 3 )
+ {
+ *(rp++) = RISC_WRITECR;
+ *(rp++) = sram_ch->dma_ctl;
+ *(rp++) = FLD_VID_FIFO_EN;
+ *(rp++) = 0x00000001;
+ }
+ }
+
return rp;
}
int cx25821_risc_buffer_upstream_ch2( struct cx25821_dev *dev, struct pci_dev *pci,
- unsigned int top_offset,
- unsigned int bpl, unsigned int lines)
+ unsigned int top_offset,
+ unsigned int bpl, unsigned int lines)
{
__le32 *rp;
int fifo_enable = 0;
@@ -148,57 +148,57 @@ int cx25821_risc_buffer_upstream_ch2( struct cx25821_dev *dev, struct pci_dev *p
unsigned int bottom_offset = bpl;
dma_addr_t risc_phys_jump_addr;
-
+
if( dev->_isNTSC_ch2 )
{
- 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;
+ 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;
}
else
{
- risc_program_size = PAL_VID_PROG_SIZE;
- frame_size = (bpl == Y411_LINE_SZ) ? FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;
+ risc_program_size = PAL_VID_PROG_SIZE;
+ frame_size = (bpl == Y411_LINE_SZ) ? FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;
}
-
+
/* Virtual address of Risc buffer program */
rp = dev->_dma_virt_addr_ch2;
for( frame = 0; frame < NUM_FRAMES; frame++ )
{
- databuf_offset = frame_size * frame;
-
-
- if (UNSET != top_offset)
- {
- fifo_enable = (frame == 0) ? FIFO_ENABLE : FIFO_DISABLE;
- rp = cx25821_risc_field_upstream_ch2(dev, rp, dev->_data_buf_phys_addr_ch2 + databuf_offset, top_offset, 0, bpl, odd_num_lines, fifo_enable, ODD_FIELD);
- }
-
- fifo_enable = FIFO_DISABLE;
-
-
- //Even field
- rp = cx25821_risc_field_upstream_ch2(dev, rp, dev->_data_buf_phys_addr_ch2 + databuf_offset, bottom_offset, 0x200, bpl, singlefield_lines, fifo_enable, EVEN_FIELD);
-
-
- if( frame == 0 )
- {
- risc_flag = RISC_CNT_RESET;
- risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2 + risc_program_size;
- }
- else
- {
- risc_flag = RISC_CNT_INC;
- risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2;
- }
-
-
- // Loop to 2ndFrameRISC or to Start of Risc program & generate IRQ
- *(rp++) = cpu_to_le32(RISC_JUMP|RISC_IRQ1|risc_flag);
- *(rp++) = cpu_to_le32(risc_phys_jump_addr);
- *(rp++) = cpu_to_le32(0);
+ databuf_offset = frame_size * frame;
+
+
+ if (UNSET != top_offset)
+ {
+ fifo_enable = (frame == 0) ? FIFO_ENABLE : FIFO_DISABLE;
+ rp = cx25821_risc_field_upstream_ch2(dev, rp, dev->_data_buf_phys_addr_ch2 + databuf_offset, top_offset, 0, bpl, odd_num_lines, fifo_enable, ODD_FIELD);
+ }
+
+ fifo_enable = FIFO_DISABLE;
+
+
+ //Even field
+ rp = cx25821_risc_field_upstream_ch2(dev, rp, dev->_data_buf_phys_addr_ch2 + databuf_offset, bottom_offset, 0x200, bpl, singlefield_lines, fifo_enable, EVEN_FIELD);
+
+
+ if( frame == 0 )
+ {
+ risc_flag = RISC_CNT_RESET;
+ risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2 + risc_program_size;
+ }
+ else
+ {
+ risc_flag = RISC_CNT_INC;
+ risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2;
+ }
+
+
+ // Loop to 2ndFrameRISC or to Start of Risc program & generate IRQ
+ *(rp++) = cpu_to_le32(RISC_JUMP|RISC_IRQ1|risc_flag);
+ *(rp++) = cpu_to_le32(risc_phys_jump_addr);
+ *(rp++) = cpu_to_le32(0);
}
return 0;
@@ -212,8 +212,8 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
if( !dev->_is_running_ch2 )
{
- printk("cx25821: No video file is currently running so return!\n");
- return;
+ printk("cx25821: No video file is currently running so return!\n");
+ return;
}
//Disable RISC interrupts
@@ -226,8 +226,8 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
//Clear data buffer memory
if( dev->_data_buf_virt_addr_ch2 )
- memset( dev->_data_buf_virt_addr_ch2, 0, dev->_data_buf_size_ch2 );
-
+ memset( dev->_data_buf_virt_addr_ch2, 0, dev->_data_buf_size_ch2 );
+
dev->_is_running_ch2 = 0;
dev->_is_first_frame_ch2 = 0;
dev->_frame_count_ch2 = 0;
@@ -235,12 +235,12 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
if( dev->_irq_queues_ch2 )
{
- kfree(dev->_irq_queues_ch2);
- dev->_irq_queues_ch2 = NULL;
+ kfree(dev->_irq_queues_ch2);
+ dev->_irq_queues_ch2 = NULL;
}
if( dev->_filename_ch2 != NULL )
- kfree(dev->_filename_ch2);
+ kfree(dev->_filename_ch2);
tmp = cx_read( VID_CH_MODE_SEL );
cx_write( VID_CH_MODE_SEL, tmp & 0xFFFFFE00);
@@ -250,19 +250,19 @@ void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev)
{
if( dev->_is_running_ch2 )
{
- cx25821_stop_upstream_video_ch2(dev);
+ cx25821_stop_upstream_video_ch2(dev);
}
if (dev->_dma_virt_addr_ch2)
{
- pci_free_consistent(dev->pci, dev->_risc_size_ch2, dev->_dma_virt_addr_ch2, dev->_dma_phys_addr_ch2);
- dev->_dma_virt_addr_ch2 = NULL;
+ pci_free_consistent(dev->pci, dev->_risc_size_ch2, dev->_dma_virt_addr_ch2, dev->_dma_phys_addr_ch2);
+ dev->_dma_virt_addr_ch2 = NULL;
}
if (dev->_data_buf_virt_addr_ch2)
{
- pci_free_consistent(dev->pci, dev->_data_buf_size_ch2, dev->_data_buf_virt_addr_ch2, dev->_data_buf_phys_addr_ch2);
- dev->_data_buf_virt_addr_ch2 = NULL;
+ pci_free_consistent(dev->pci, dev->_data_buf_size_ch2, dev->_data_buf_virt_addr_ch2, dev->_data_buf_phys_addr_ch2);
+ dev->_data_buf_virt_addr_ch2 = NULL;
}
}
@@ -280,84 +280,84 @@ int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch
loff_t file_offset;
loff_t pos;
mm_segment_t old_fs;
-
+
if( dev->_file_status_ch2 == END_OF_FILE )
- return 0;
-
+ return 0;
+
if( dev->_isNTSC_ch2 )
{
- frame_size = (line_size == Y411_LINE_SZ) ? FRAME_SIZE_NTSC_Y411 : FRAME_SIZE_NTSC_Y422;
+ 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_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_ch2 * frame_size;
-
+
myfile = filp_open( dev->_filename_ch2, O_RDONLY | O_LARGEFILE, 0 );
if (IS_ERR(myfile))
{
- const int open_errno = -PTR_ERR(myfile);
- printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_filename_ch2, open_errno);
- return PTR_ERR(myfile);
+ const int open_errno = -PTR_ERR(myfile);
+ printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_filename_ch2, open_errno);
+ return PTR_ERR(myfile);
}
else
{
- if( !(myfile->f_op) )
- {
- printk("%s: File has no file operations registered!", __func__);
- filp_close(myfile, NULL);
- return -EIO;
- }
-
-
- if( !myfile->f_op->read )
- {
- printk("%s: File has no READ operations registered!", __func__);
- filp_close(myfile, NULL);
- return -EIO;
- }
-
- pos = myfile->f_pos;
- old_fs = get_fs();
- set_fs(KERNEL_DS);
-
-
- for( i = 0; i < dev->_lines_count_ch2; i++ )
- {
- pos = file_offset;
-
- 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_ch2 != NULL )
- {
- memcpy( (void*)(dev->_data_buf_virt_addr_ch2+frame_offset/4), mybuf, vfs_read_retval);
- }
-
- file_offset += vfs_read_retval;
- frame_offset += vfs_read_retval;
-
- if( vfs_read_retval < line_size )
- {
- printk(KERN_INFO "Done: exit %s() since no more bytes to read from Video file.\n", __func__ );
- break;
- }
- }
-
- if( i > 0 )
- dev->_frame_count_ch2++;
-
- dev->_file_status_ch2 = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
-
-
- set_fs(old_fs);
- filp_close(myfile, NULL);
+ if( !(myfile->f_op) )
+ {
+ printk("%s: File has no file operations registered!", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+
+ if( !myfile->f_op->read )
+ {
+ printk("%s: File has no READ operations registered!", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+ pos = myfile->f_pos;
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+
+
+ for( i = 0; i < dev->_lines_count_ch2; i++ )
+ {
+ pos = file_offset;
+
+ 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_ch2 != NULL )
+ {
+ memcpy( (void*)(dev->_data_buf_virt_addr_ch2+frame_offset/4), mybuf, vfs_read_retval);
+ }
+
+ file_offset += vfs_read_retval;
+ frame_offset += vfs_read_retval;
+
+ if( vfs_read_retval < line_size )
+ {
+ printk(KERN_INFO "Done: exit %s() since no more bytes to read from Video file.\n", __func__ );
+ break;
+ }
+ }
+
+ if( i > 0 )
+ dev->_frame_count_ch2++;
+
+ dev->_file_status_ch2 = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
+
+
+ set_fs(old_fs);
+ filp_close(myfile, NULL);
}
return 0;
@@ -369,8 +369,8 @@ static void cx25821_vidups_handler_ch2(struct work_struct *work)
if( !dev )
{
- printk("ERROR %s(): since container_of(work_struct) FAILED! \n", __func__ );
- return;
+ printk("ERROR %s(): since container_of(work_struct) FAILED! \n", __func__ );
+ return;
}
cx25821_get_frame_ch2( dev, &dev->sram_channels[dev->_channel2_upstream_select] );
@@ -387,76 +387,76 @@ int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch)
loff_t pos;
loff_t offset = (unsigned long)0;
mm_segment_t old_fs;
-
+
myfile = filp_open( dev->_filename_ch2, O_RDONLY | O_LARGEFILE, 0 );
if (IS_ERR(myfile))
{
- const int open_errno = -PTR_ERR(myfile);
- printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_filename_ch2, open_errno);
- return PTR_ERR(myfile);
+ const int open_errno = -PTR_ERR(myfile);
+ printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_filename_ch2, open_errno);
+ return PTR_ERR(myfile);
}
else
{
- if( !(myfile->f_op) )
- {
- printk("%s: File has no file operations registered!", __func__);
- filp_close(myfile, NULL);
- return -EIO;
- }
-
-
- if( !myfile->f_op->read )
- {
- printk("%s: File has no READ operations registered! Returning.", __func__);
- filp_close(myfile, NULL);
- return -EIO;
- }
-
- pos = myfile->f_pos;
- old_fs = get_fs();
- set_fs(KERNEL_DS);
-
-
- for( j = 0; j < NUM_FRAMES; j++ )
- {
- for( i = 0; i < dev->_lines_count_ch2; i++ )
- {
- pos = offset;
-
- 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_ch2 != NULL )
- {
- memcpy( (void*)(dev->_data_buf_virt_addr_ch2+offset/4), mybuf, vfs_read_retval);
- }
-
-
- offset += vfs_read_retval;
-
- if( vfs_read_retval < line_size )
- {
- printk(KERN_INFO "Done: exit %s() since no more bytes to read from Video file.\n", __func__ );
- break;
- }
- }
-
- if( i > 0 )
- dev->_frame_count_ch2++;
-
- if( vfs_read_retval < line_size )
- {
- break;
- }
- }
-
- dev->_file_status_ch2 = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
-
- set_fs(old_fs);
- myfile->f_pos = 0;
- filp_close(myfile, NULL);
+ if( !(myfile->f_op) )
+ {
+ printk("%s: File has no file operations registered!", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+
+ if( !myfile->f_op->read )
+ {
+ printk("%s: File has no READ operations registered! Returning.", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+ pos = myfile->f_pos;
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+
+
+ for( j = 0; j < NUM_FRAMES; j++ )
+ {
+ for( i = 0; i < dev->_lines_count_ch2; i++ )
+ {
+ pos = offset;
+
+ 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_ch2 != NULL )
+ {
+ memcpy( (void*)(dev->_data_buf_virt_addr_ch2+offset/4), mybuf, vfs_read_retval);
+ }
+
+
+ offset += vfs_read_retval;
+
+ if( vfs_read_retval < line_size )
+ {
+ printk(KERN_INFO "Done: exit %s() since no more bytes to read from Video file.\n", __func__ );
+ break;
+ }
+ }
+
+ if( i > 0 )
+ dev->_frame_count_ch2++;
+
+ if( vfs_read_retval < line_size )
+ {
+ break;
+ }
+ }
+
+ dev->_file_status_ch2 = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
+
+ set_fs(old_fs);
+ myfile->f_pos = 0;
+ filp_close(myfile, NULL);
}
return 0;
@@ -464,17 +464,17 @@ int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch)
static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
- struct sram_channel *sram_ch,
- int bpl)
+ struct sram_channel *sram_ch,
+ int bpl)
{
int ret = 0;
dma_addr_t dma_addr;
dma_addr_t data_dma_addr;
-
+
if( dev->_dma_virt_addr_ch2 != NULL )
{
- pci_free_consistent(dev->pci, dev->upstream_riscbuf_size_ch2, dev->_dma_virt_addr_ch2, dev->_dma_phys_addr_ch2);
+ pci_free_consistent(dev->pci, dev->upstream_riscbuf_size_ch2, dev->_dma_virt_addr_ch2, dev->_dma_phys_addr_ch2);
}
dev->_dma_virt_addr_ch2 = pci_alloc_consistent(dev->pci, dev->upstream_riscbuf_size_ch2, &dma_addr);
@@ -486,8 +486,8 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
if (!dev->_dma_virt_addr_ch2)
{
- printk("cx25821: FAILED to allocate memory for Risc buffer! Returning.\n");
- return -ENOMEM;
+ printk("cx25821: FAILED to allocate memory for Risc buffer! Returning.\n");
+ return -ENOMEM;
}
@@ -497,7 +497,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
if( dev->_data_buf_virt_addr_ch2 != NULL )
{
- pci_free_consistent(dev->pci, dev->upstream_databuf_size_ch2, dev->_data_buf_virt_addr_ch2, dev->_data_buf_phys_addr_ch2);
+ pci_free_consistent(dev->pci, dev->upstream_databuf_size_ch2, dev->_data_buf_virt_addr_ch2, dev->_data_buf_phys_addr_ch2);
}
//For Video Data buffer allocation
@@ -507,8 +507,8 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
if (!dev->_data_buf_virt_addr_ch2)
{
- printk("cx25821: FAILED to allocate memory for data buffer! Returning.\n");
- return -ENOMEM;
+ printk("cx25821: FAILED to allocate memory for data buffer! Returning.\n");
+ return -ENOMEM;
}
@@ -518,15 +518,15 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
ret = cx25821_openfile_ch2(dev, sram_ch);
if( ret < 0 )
- return ret;
-
+ return ret;
+
//Creating RISC programs
ret = cx25821_risc_buffer_upstream_ch2(dev, dev->pci, 0, bpl, dev->_lines_count_ch2 );
if (ret < 0)
{
- printk(KERN_INFO "cx25821: Failed creating Video Upstream Risc programs! \n");
- goto error;
+ printk(KERN_INFO "cx25821: Failed creating Video Upstream Risc programs! \n");
+ goto error;
}
return 0;
@@ -549,59 +549,59 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num, u32 st
if (status & FLD_VID_SRC_RISC1)
{
- // We should only process one program per call
- u32 prog_cnt = cx_read( channel->gpcnt );
-
- //Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers
- int_msk_tmp = cx_read(channel->int_msk);
- cx_write(channel->int_msk, int_msk_tmp & ~_intr_msk);
- cx_write( channel->int_stat, _intr_msk );
-
- spin_lock(&dev->slock);
-
- dev->_frame_index_ch2 = prog_cnt;
-
- queue_work(dev->_irq_queues_ch2, &dev->_irq_work_entry_ch2);
-
-
- if ( dev->_is_first_frame_ch2 )
- {
- dev->_is_first_frame_ch2 = 0;
-
- if( dev->_isNTSC_ch2 )
- {
- singlefield_lines += 1;
- odd_risc_prog_size = ODD_FLD_NTSC_PROG_SIZE;
- }
- else
- {
- singlefield_lines = PAL_FIELD_HEIGHT;
- odd_risc_prog_size = ODD_FLD_PAL_PROG_SIZE;
- }
-
-
- if( dev->_dma_virt_start_addr_ch2 != NULL )
- {
- line_size_in_bytes = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ;
- risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2 + odd_risc_prog_size;
-
- rp = cx25821_update_riscprogram_ch2(dev, dev->_dma_virt_start_addr_ch2, TOP_OFFSET, line_size_in_bytes, 0x0, singlefield_lines, FIFO_DISABLE, ODD_FIELD);
-
- // Jump to Even Risc program of 1st Frame
- *(rp++) = cpu_to_le32(RISC_JUMP);
- *(rp++) = cpu_to_le32(risc_phys_jump_addr);
- *(rp++) = cpu_to_le32(0);
- }
- }
-
- spin_unlock(&dev->slock);
- }
-
-
+ // We should only process one program per call
+ u32 prog_cnt = cx_read( channel->gpcnt );
+
+ //Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers
+ int_msk_tmp = cx_read(channel->int_msk);
+ cx_write(channel->int_msk, int_msk_tmp & ~_intr_msk);
+ cx_write( channel->int_stat, _intr_msk );
+
+ spin_lock(&dev->slock);
+
+ dev->_frame_index_ch2 = prog_cnt;
+
+ queue_work(dev->_irq_queues_ch2, &dev->_irq_work_entry_ch2);
+
+
+ if ( dev->_is_first_frame_ch2 )
+ {
+ dev->_is_first_frame_ch2 = 0;
+
+ if( dev->_isNTSC_ch2 )
+ {
+ singlefield_lines += 1;
+ odd_risc_prog_size = ODD_FLD_NTSC_PROG_SIZE;
+ }
+ else
+ {
+ singlefield_lines = PAL_FIELD_HEIGHT;
+ odd_risc_prog_size = ODD_FLD_PAL_PROG_SIZE;
+ }
+
+
+ if( dev->_dma_virt_start_addr_ch2 != NULL )
+ {
+ line_size_in_bytes = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ;
+ risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2 + odd_risc_prog_size;
+
+ rp = cx25821_update_riscprogram_ch2(dev, dev->_dma_virt_start_addr_ch2, TOP_OFFSET, line_size_in_bytes, 0x0, singlefield_lines, FIFO_DISABLE, ODD_FIELD);
+
+ // Jump to Even Risc program of 1st Frame
+ *(rp++) = cpu_to_le32(RISC_JUMP);
+ *(rp++) = cpu_to_le32(risc_phys_jump_addr);
+ *(rp++) = cpu_to_le32(0);
+ }
+ }
+
+ spin_unlock(&dev->slock);
+ }
+
+
if( dev->_file_status_ch2 == END_OF_FILE )
{
- printk("cx25821: EOF Channel 2 Framecount = %d\n", dev->_frame_count_ch2 );
- return -1;
+ printk("cx25821: EOF Channel 2 Framecount = %d\n", dev->_frame_count_ch2 );
+ return -1;
}
//ElSE, set the interrupt mask register, re-enable irq.
@@ -621,10 +621,10 @@ static irqreturn_t cx25821_upstream_irq_ch2(int irq, void *dev_id)
if( !dev )
- return -1;
+ return -1;
channel_num = VID_UPSTREAM_SRAM_CHANNEL_J;
-
+
sram_ch = &dev->sram_channels[channel_num];
msk_stat = cx_read(sram_ch->int_mstat);
@@ -633,17 +633,17 @@ static irqreturn_t cx25821_upstream_irq_ch2(int irq, void *dev_id)
// Only deal with our interrupt
if(vid_status)
{
- handled = cx25821_video_upstream_irq_ch2(dev, channel_num, vid_status);
+ handled = cx25821_video_upstream_irq_ch2(dev, channel_num, vid_status);
}
if( handled < 0 )
{
- cx25821_stop_upstream_video_ch2(dev);
+ cx25821_stop_upstream_video_ch2(dev);
}
else
{
- handled += handled;
+ handled += handled;
}
return IRQ_RETVAL(handled);
@@ -658,7 +658,7 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev, struct sram_cha
u32 value;
int vip_mode = PIXEL_ENGINE_VIP1;
-
+
value = ( (pix_format & 0x3) << 12 ) | ( vip_mode & 0x7 );
value &= 0xFFFFFFEF;
value |= dev->_isNTSC_ch2 ? 0 : 0x10;
@@ -672,7 +672,7 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev, struct sram_cha
if(dev->_isNTSC_ch2)
{
- odd_num_lines += 1;
+ odd_num_lines += 1;
}
value = (num_lines << 16) | odd_num_lines;
@@ -685,7 +685,7 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev, struct sram_cha
int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
- struct sram_channel *sram_ch)
+ struct sram_channel *sram_ch)
{
u32 tmp = 0;
int err = 0;
@@ -716,8 +716,8 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
err = request_irq(dev->pci->irq, cx25821_upstream_irq_ch2, IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
if (err < 0)
{
- printk(KERN_ERR "%s: can't get upstream IRQ %d\n", dev->name, dev->pci->irq);
- goto fail_irq;
+ printk(KERN_ERR "%s: can't get upstream IRQ %d\n", dev->name, dev->pci->irq);
+ goto fail_irq;
}
// Start the DMA engine
@@ -748,8 +748,8 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, in
if( dev->_is_running_ch2 )
{
- printk("Video Channel is still running so return!\n");
- return 0;
+ printk("Video Channel is still running so return!\n");
+ return 0;
}
dev->_channel2_upstream_select = channel_select;
@@ -761,15 +761,15 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, in
if(!dev->_irq_queues_ch2)
{
- printk("cx25821: create_singlethread_workqueue() for Video FAILED!\n");
- return -ENOMEM;
+ printk("cx25821: create_singlethread_workqueue() for Video FAILED!\n");
+ return -ENOMEM;
}
// 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C
tmp = cx_read( VID_CH_MODE_SEL );
cx_write( VID_CH_MODE_SEL, tmp | 0x1B0001FF);
-
+
dev->_is_running_ch2 = 0;
dev->_frame_count_ch2 = 0;
dev->_file_status_ch2 = RESET_STATUS;
@@ -779,43 +779,43 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, in
data_frame_size = dev->_isNTSC_ch2 ? NTSC_DATA_BUF_SZ : PAL_DATA_BUF_SZ;
risc_buffer_size = dev->_isNTSC_ch2 ? NTSC_RISC_BUF_SIZE : PAL_RISC_BUF_SIZE;
-
+
if( dev->input_filename_ch2 )
{
- str_length = strlen(dev->input_filename_ch2);
- dev->_filename_ch2 = (char *) kmalloc(str_length + 1, GFP_KERNEL);
-
- if( !dev->_filename_ch2 )
- goto error;
-
- memcpy(dev->_filename_ch2, dev->input_filename_ch2, str_length + 1);
+ str_length = strlen(dev->input_filename_ch2);
+ dev->_filename_ch2 = (char *) kmalloc(str_length + 1, GFP_KERNEL);
+
+ if( !dev->_filename_ch2 )
+ goto error;
+
+ memcpy(dev->_filename_ch2, dev->input_filename_ch2, str_length + 1);
}
else
{
- str_length = strlen(dev->_defaultname_ch2);
- dev->_filename_ch2 = (char *) kmalloc(str_length + 1, GFP_KERNEL);
-
- if( !dev->_filename_ch2 )
- goto error;
-
- memcpy(dev->_filename_ch2, dev->_defaultname_ch2, str_length + 1);
+ str_length = strlen(dev->_defaultname_ch2);
+ dev->_filename_ch2 = (char *) kmalloc(str_length + 1, GFP_KERNEL);
+
+ if( !dev->_filename_ch2 )
+ goto error;
+
+ memcpy(dev->_filename_ch2, dev->_defaultname_ch2, str_length + 1);
}
-
+
//Default if filename is empty string
if( strcmp(dev->input_filename_ch2,"") == 0)
{
- if( dev->_isNTSC_ch2 )
- {
- dev->_filename_ch2 = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? "/root/vid411.yuv" : "/root/vidtest.yuv";
- }
- else
- {
- dev->_filename_ch2 = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? "/root/pal411.yuv" : "/root/pal422.yuv";
- }
- }
-
-
+ if( dev->_isNTSC_ch2 )
+ {
+ dev->_filename_ch2 = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? "/root/vid411.yuv" : "/root/vidtest.yuv";
+ }
+ else
+ {
+ dev->_filename_ch2 = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? "/root/pal411.yuv" : "/root/pal422.yuv";
+ }
+ }
+
+
retval = cx25821_sram_channel_setup_upstream(dev, sram_ch, dev->_line_size_ch2, 0);
@@ -830,8 +830,8 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, in
retval = cx25821_upstream_buffer_prepare_ch2(dev, sram_ch, dev->_line_size_ch2);
if (retval < 0)
{
- printk(KERN_ERR "%s: Failed to set up Video upstream buffers!\n", dev->name);
- goto error;
+ printk(KERN_ERR "%s: Failed to set up Video upstream buffers!\n", dev->name);
+ goto error;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-28 02:32:36 +0000