@@ -32,17 +32,17 @@
#include <linux/file.h>
#include <linux/fcntl.h>
#include <linux/slab.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards");
MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>");
MODULE_LICENSE("GPL");
static int _intr_msk =
- FLD_VID_SRC_RISC1 | FLD_VID_SRC_UF | FLD_VID_SRC_SYNC | FLD_VID_SRC_OPC_ERR;
+ FLD_VID_SRC_RISC1 | FLD_VID_SRC_UF | FLD_VID_SRC_SYNC | FLD_VID_SRC_OPC_ERR;
static __le32 *cx25821_update_riscprogram_ch2(struct cx25821_dev *dev,
- __le32 * rp, unsigned int offset,
+ __le32 *rp, unsigned int offset,
unsigned int bpl, u32 sync_line,
unsigned int lines,
int fifo_enable, int field_type)
@@ -53,9 +53,8 @@ static __le32 *cx25821_update_riscprogram_ch2(struct cx25821_dev *dev,
*(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
if (USE_RISC_NOOP_VIDEO) {
- for (i = 0; i < NUM_NO_OPS; i++) {
+ for (i = 0; i < NUM_NO_OPS; i++)
*(rp++) = cpu_to_le32(RISC_NOOP);
- }
}
/* scan lines */
@@ -75,7 +74,7 @@ static __le32 *cx25821_update_riscprogram_ch2(struct cx25821_dev *dev,
}
static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev,
- __le32 * rp,
+ __le32 *rp,
dma_addr_t databuf_phys_addr,
unsigned int offset,
u32 sync_line, unsigned int bpl,
@@ -88,14 +87,12 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev,
int dist_betwn_starts = bpl * 2;
/* sync instruction */
- if (sync_line != NO_SYNC_LINE) {
+ if (sync_line != NO_SYNC_LINE)
*(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
- }
if (USE_RISC_NOOP_VIDEO) {
- for (i = 0; i < NUM_NO_OPS; i++) {
+ for (i = 0; i < NUM_NO_OPS; i++)
*(rp++) = cpu_to_le32(RISC_NOOP);
- }
}
/* scan lines */
@@ -133,7 +130,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
{
__le32 *rp;
int fifo_enable = 0;
- int singlefield_lines = lines >> 1; /*get line count for single field */
+ int singlefield_lines = lines >> 1; /*get line count for single field */
int odd_num_lines = singlefield_lines;
int frame = 0;
int frame_size = 0;
@@ -218,15 +215,15 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
("cx25821: No video file is currently running so return!\n");
return;
}
- /* Disable RISC interrupts */
+ /* Disable RISC interrupts */
tmp = cx_read(sram_ch->int_msk);
cx_write(sram_ch->int_msk, tmp & ~_intr_msk);
- /* Turn OFF risc and fifo */
+ /* Turn OFF risc and fifo */
tmp = cx_read(sram_ch->dma_ctl);
cx_write(sram_ch->dma_ctl, tmp & ~(FLD_VID_FIFO_EN | FLD_VID_RISC_EN));
- /* Clear data buffer memory */
+ /* Clear data buffer memory */
if (dev->_data_buf_virt_addr_ch2)
memset(dev->_data_buf_virt_addr_ch2, 0,
dev->_data_buf_size_ch2);
@@ -250,9 +247,8 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev)
{
- if (dev->_is_running_ch2) {
+ if (dev->_is_running_ch2)
cx25821_stop_upstream_video_ch2(dev);
- }
if (dev->_dma_virt_addr_ch2) {
pci_free_consistent(dev->pci, dev->_risc_size_ch2,
@@ -303,11 +299,10 @@ int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch)
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);
+ 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)) {
@@ -371,8 +366,8 @@ static void cx25821_vidups_handler_ch2(struct work_struct *work)
container_of(work, struct cx25821_dev, _irq_work_entry_ch2);
if (!dev) {
- printk("ERROR %s(): since container_of(work_struct) FAILED! \n",
- __func__);
+ printk("ERROR %s(): since container_of(work_struct) FAILED!\n",
+ __func__);
return;
}
@@ -398,8 +393,8 @@ int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch)
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);
+ 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)) {
@@ -450,9 +445,8 @@ int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch)
if (i > 0)
dev->_frame_count_ch2++;
- if (vfs_read_retval < line_size) {
+ if (vfs_read_retval < line_size)
break;
- }
}
dev->_file_status_ch2 =
@@ -494,7 +488,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
return -ENOMEM;
}
- /* Iniitize at this address until n bytes to 0 */
+ /* Iniitize at this address until n bytes to 0 */
memset(dev->_dma_virt_addr_ch2, 0, dev->_risc_size_ch2);
if (dev->_data_buf_virt_addr_ch2 != NULL) {
@@ -502,7 +496,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
dev->_data_buf_virt_addr_ch2,
dev->_data_buf_phys_addr_ch2);
}
- /* For Video Data buffer allocation */
+ /* For Video Data buffer allocation */
dev->_data_buf_virt_addr_ch2 =
pci_alloc_consistent(dev->pci, dev->upstream_databuf_size_ch2,
&data_dma_addr);
@@ -515,26 +509,26 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
return -ENOMEM;
}
- /* Initialize at this address until n bytes to 0 */
+ /* Initialize at this address until n bytes to 0 */
memset(dev->_data_buf_virt_addr_ch2, 0, dev->_data_buf_size_ch2);
ret = cx25821_openfile_ch2(dev, sram_ch);
if (ret < 0)
return ret;
- /* Creating RISC programs */
+ /* 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");
+ "cx25821: Failed creating Video Upstream Risc programs!\n");
goto error;
}
return 0;
- error:
+ error:
return ret;
}
@@ -542,7 +536,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
u32 status)
{
u32 int_msk_tmp;
- struct sram_channel *channel = dev->channels[chan_num].sram_channels;
+ struct sram_channel *channel = dev->channels[chan_num].sram_channels;
int singlefield_lines = NTSC_FIELD_HEIGHT;
int line_size_in_bytes = Y422_LINE_SZ;
int odd_risc_prog_size = 0;
@@ -550,13 +544,13 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
__le32 *rp;
if (status & FLD_VID_SRC_RISC1) {
- /* We should only process one program per call */
+ /* 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
- */
+ /*
+ * 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);
@@ -612,7 +606,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
dev->_frame_count_ch2);
return -1;
}
- /* ElSE, set the interrupt mask register, re-enable irq. */
+ /* ElSE, set the interrupt mask register, re-enable irq. */
int_msk_tmp = cx_read(channel->int_msk);
cx_write(channel->int_msk, int_msk_tmp |= _intr_msk);
@@ -631,24 +625,22 @@ static irqreturn_t cx25821_upstream_irq_ch2(int irq, void *dev_id)
return -1;
channel_num = VID_UPSTREAM_SRAM_CHANNEL_J;
-
- sram_ch = dev->channels[channel_num].sram_channels;
+ sram_ch = dev->channels[channel_num].sram_channels;
msk_stat = cx_read(sram_ch->int_mstat);
vid_status = cx_read(sram_ch->int_stat);
- /* Only deal with our interrupt */
+ /* Only deal with our interrupt */
if (vid_status) {
handled =
cx25821_video_upstream_irq_ch2(dev, channel_num,
vid_status);
}
- if (handled < 0) {
+ if (handled < 0)
cx25821_stop_upstream_video_ch2(dev);
- } else {
+ else
handled += handled;
- }
return IRQ_RETVAL(handled);
}
@@ -667,22 +659,21 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev,
value |= dev->_isNTSC_ch2 ? 0 : 0x10;
cx_write(ch->vid_fmt_ctl, value);
- /*
- set number of active pixels in each line. Default is 720
- pixels in both NTSC and PAL format
- */
+ /*
+ * set number of active pixels in each line. Default is 720
+ * pixels in both NTSC and PAL format
+ */
cx_write(ch->vid_active_ctl1, width);
num_lines = (height / 2) & 0x3FF;
odd_num_lines = num_lines;
- if (dev->_isNTSC_ch2) {
+ if (dev->_isNTSC_ch2)
odd_num_lines += 1;
- }
value = (num_lines << 16) | odd_num_lines;
- /* set number of active lines in field 0 (top) and field 1 (bottom) */
+ /* set number of active lines in field 0 (top) and field 1 (bottom) */
cx_write(ch->vid_active_ctl2, value);
cx_write(ch->vid_cdt_size, VID_CDT_SIZE >> 3);
@@ -694,27 +685,27 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
u32 tmp = 0;
int err = 0;
- /*
- 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface
- for channel A-C
- */
+ /*
+ * 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);
- /*
- Set the physical start address of the RISC program in the initial
- program counter(IPC) member of the cmds.
- */
+ /*
+ * Set the physical start address of the RISC program in the initial
+ * program counter(IPC) member of the cmds.
+ */
cx_write(sram_ch->cmds_start + 0, dev->_dma_phys_addr_ch2);
- cx_write(sram_ch->cmds_start + 4, 0); /* Risc IPC High 64 bits 63-32 */
+ cx_write(sram_ch->cmds_start + 4, 0); /* Risc IPC High 64 bits 63-32 */
/* reset counter */
cx_write(sram_ch->gpcnt_ctl, 3);
- /* Clear our bits from the interrupt status register. */
+ /* Clear our bits from the interrupt status register. */
cx_write(sram_ch->int_stat, _intr_msk);
- /* Set the interrupt mask register, enable irq. */
+ /* Set the interrupt mask register, enable irq. */
cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << sram_ch->irq_bit));
tmp = cx_read(sram_ch->int_msk);
cx_write(sram_ch->int_msk, tmp |= _intr_msk);
@@ -727,7 +718,7 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
dev->pci->irq);
goto fail_irq;
}
- /* Start the DMA engine */
+ /* Start the DMA engine */
tmp = cx_read(sram_ch->dma_ctl);
cx_set(sram_ch->dma_ctl, tmp | FLD_VID_RISC_EN);
@@ -736,7 +727,7 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
return 0;
- fail_irq:
+ fail_irq:
cx25821_dev_unregister(dev);
return err;
}
@@ -758,7 +749,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
}
dev->_channel2_upstream_select = channel_select;
- sram_ch = dev->channels[channel_select].sram_channels;
+ sram_ch = dev->channels[channel_select].sram_channels;
INIT_WORK(&dev->_irq_work_entry_ch2, cx25821_vidups_handler_ch2);
dev->_irq_queues_ch2 =
@@ -769,10 +760,10 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
("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
- */
+ /*
+ * 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);
@@ -808,7 +799,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
str_length + 1);
}
- /* Default if filename is empty string */
+ /* Default if filename is empty string */
if (strcmp(dev->input_filename_ch2, "") == 0) {
if (dev->_isNTSC_ch2) {
dev->_filename_ch2 =
@@ -833,7 +824,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
dev->upstream_riscbuf_size_ch2 = risc_buffer_size * 2;
dev->upstream_databuf_size_ch2 = data_frame_size * 2;
- /* Allocating buffers and prepare RISC program */
+ /* Allocating buffers and prepare RISC program */
retval =
cx25821_upstream_buffer_prepare_ch2(dev, sram_ch,
dev->_line_size_ch2);
@@ -848,7 +839,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
return 0;
- error:
+ error:
cx25821_dev_unregister(dev);
return err;