\r
\r
int cx25821_sram_channel_setup_upstream_audio(struct cx25821_dev *dev,\r
- struct sram_channel *ch,\r
- unsigned int bpl, u32 risc)\r
+ struct sram_channel *ch,\r
+ unsigned int bpl, u32 risc)\r
{\r
unsigned int i, lines;\r
u32 cdt;\r
\r
if (lines > 3) \r
{\r
- lines = 3;\r
+ lines = 3;\r
}\r
\r
BUG_ON(lines < 2);\r
cx_write(ch->cmds_start + 8, cdt); \r
cx_write(ch->cmds_start + 12, AUDIO_CDT_SIZE_QW); \r
cx_write(ch->cmds_start + 16, ch->ctrl_start); \r
- \r
+ \r
//IQ size\r
cx_write(ch->cmds_start + 20, AUDIO_IQ_SIZE_DW); \r
\r
\r
\r
static __le32 *cx25821_risc_field_upstream_audio( struct cx25821_dev *dev, __le32 *rp, \r
- dma_addr_t databuf_phys_addr,\r
- unsigned int bpl, int fifo_enable)\r
+ dma_addr_t databuf_phys_addr,\r
+ unsigned int bpl, int fifo_enable)\r
{\r
unsigned int line;\r
struct sram_channel *sram_ch = &dev->sram_channels[dev->_audio_upstream_channel_select];\r
int offset = 0;\r
- \r
+ \r
\r
/* scan lines */\r
for (line = 0; line < LINES_PER_AUDIO_BUFFER; line++) \r
{ \r
*(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl); \r
- *(rp++) = cpu_to_le32(databuf_phys_addr + offset); \r
- *(rp++) = cpu_to_le32(0); /* bits 63-32 */ \r
+ *(rp++) = cpu_to_le32(databuf_phys_addr + offset); \r
+ *(rp++) = cpu_to_le32(0); /* bits 63-32 */ \r
\r
- // Check if we need to enable the FIFO after the first 3 lines \r
- // For the upstream audio channel, the risc engine will enable the FIFO. \r
- if ( fifo_enable && line == 2 )\r
+ // Check if we need to enable the FIFO after the first 3 lines \r
+ // For the upstream audio channel, the risc engine will enable the FIFO. \r
+ if ( fifo_enable && line == 2 )\r
{\r
*(rp++) = RISC_WRITECR;\r
*(rp++) = sram_ch->dma_ctl;\r
*(rp++) = sram_ch->fld_aud_fifo_en;\r
*(rp++) = 0x00000020;\r
- } \r
- \r
- offset += AUDIO_LINE_SIZE;\r
+ } \r
+ \r
+ offset += AUDIO_LINE_SIZE;\r
}\r
- \r
+ \r
return rp;\r
}\r
\r
int cx25821_risc_buffer_upstream_audio( struct cx25821_dev *dev, \r
- struct pci_dev *pci, \r
- unsigned int bpl, unsigned int lines)\r
+ struct pci_dev *pci, \r
+ unsigned int bpl, unsigned int lines)\r
{\r
__le32 *rp;\r
int fifo_enable = 0;\r
int risc_flag = RISC_CNT_INC;\r
dma_addr_t risc_phys_jump_addr;\r
\r
- \r
+ \r
/* Virtual address of Risc buffer program */\r
rp = dev->_risc_virt_addr;\r
\r
\r
for( frame = 0; frame < NUM_AUDIO_FRAMES; frame++ )\r
{ \r
- databuf_offset = frame_size * frame; \r
- \r
- if( frame == 0 )\r
- {\r
- fifo_enable = 1;\r
- risc_flag = RISC_CNT_RESET; \r
- }\r
- else\r
- {\r
- fifo_enable = 0;\r
- risc_flag = RISC_CNT_INC;\r
- }\r
- \r
- //Calculate physical jump address \r
- if( (frame+1) == NUM_AUDIO_FRAMES )\r
- {\r
- risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE; \r
- }\r
- else\r
- {\r
- risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE + AUDIO_RISC_DMA_BUF_SIZE*(frame+1); \r
- }\r
- \r
- rp = cx25821_risc_field_upstream_audio(dev, rp, dev->_audiodata_buf_phys_addr+databuf_offset, bpl, fifo_enable); \r
- \r
- \r
- if( USE_RISC_NOOP_AUDIO )\r
- {\r
- for( i = 0; i < NUM_NO_OPS; i++ )\r
- {\r
- *(rp++) = cpu_to_le32(RISC_NOOP);\r
- }\r
- }\r
- \r
-\r
- // Loop to (Nth)FrameRISC or to Start of Risc program & generate IRQ \r
- *(rp++) = cpu_to_le32(RISC_JUMP|RISC_IRQ1|risc_flag); \r
- *(rp++) = cpu_to_le32(risc_phys_jump_addr); \r
- *(rp++) = cpu_to_le32(0); \r
-\r
- //Recalculate virtual address based on frame index \r
- rp = dev->_risc_virt_addr + RISC_SYNC_INSTRUCTION_SIZE/4 + (AUDIO_RISC_DMA_BUF_SIZE*(frame+1)/4 ) ; \r
+ databuf_offset = frame_size * frame; \r
+ \r
+ if( frame == 0 )\r
+ {\r
+ fifo_enable = 1;\r
+ risc_flag = RISC_CNT_RESET; \r
+ }\r
+ else\r
+ {\r
+ fifo_enable = 0;\r
+ risc_flag = RISC_CNT_INC;\r
+ }\r
+ \r
+ //Calculate physical jump address \r
+ if( (frame+1) == NUM_AUDIO_FRAMES )\r
+ {\r
+ risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE; \r
+ }\r
+ else\r
+ {\r
+ risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE + AUDIO_RISC_DMA_BUF_SIZE*(frame+1); \r
+ }\r
+ \r
+ rp = cx25821_risc_field_upstream_audio(dev, rp, dev->_audiodata_buf_phys_addr+databuf_offset, bpl, fifo_enable); \r
+ \r
+ \r
+ if( USE_RISC_NOOP_AUDIO )\r
+ {\r
+ for( i = 0; i < NUM_NO_OPS; i++ )\r
+ {\r
+ *(rp++) = cpu_to_le32(RISC_NOOP);\r
+ }\r
+ }\r
+ \r
+\r
+ // Loop to (Nth)FrameRISC or to Start of Risc program & generate IRQ \r
+ *(rp++) = cpu_to_le32(RISC_JUMP|RISC_IRQ1|risc_flag); \r
+ *(rp++) = cpu_to_le32(risc_phys_jump_addr); \r
+ *(rp++) = cpu_to_le32(0); \r
+\r
+ //Recalculate virtual address based on frame index \r
+ rp = dev->_risc_virt_addr + RISC_SYNC_INSTRUCTION_SIZE/4 + (AUDIO_RISC_DMA_BUF_SIZE*(frame+1)/4 ) ; \r
}\r
\r
return 0;\r
\r
if( !dev->_audio_is_running )\r
{\r
- printk("cx25821: No audio file is currently running so return!\n");\r
- return;\r
+ printk("cx25821: No audio file is currently running so return!\n");\r
+ return;\r
}\r
- \r
+ \r
//Disable RISC interrupts\r
cx_write( sram_ch->int_msk, 0 );\r
\r
\r
//Clear data buffer memory\r
if( dev->_audiodata_buf_virt_addr )\r
- memset( dev->_audiodata_buf_virt_addr, 0, dev->_audiodata_buf_size ); \r
- \r
+ memset( dev->_audiodata_buf_virt_addr, 0, dev->_audiodata_buf_size ); \r
+ \r
dev->_audio_is_running = 0;\r
dev->_is_first_audio_frame = 0;\r
dev->_audioframe_count = 0;\r
\r
if( dev->_irq_audio_queues )\r
{\r
- kfree(dev->_irq_audio_queues); \r
- dev->_irq_audio_queues = NULL; \r
+ kfree(dev->_irq_audio_queues); \r
+ dev->_irq_audio_queues = NULL; \r
} \r
\r
if( dev->_audiofilename != NULL )\r
- kfree(dev->_audiofilename); \r
+ kfree(dev->_audiofilename); \r
}\r
\r
\r
{\r
if( dev->_audio_is_running )\r
{\r
- cx25821_stop_upstream_audio(dev);\r
+ cx25821_stop_upstream_audio(dev);\r
}\r
\r
cx25821_free_memory_audio(dev);\r
\r
\r
if( dev->_audiofile_status == END_OF_FILE ) \r
- return 0;\r
- \r
+ return 0;\r
+ \r
myfile = filp_open( dev->_audiofilename, O_RDONLY | O_LARGEFILE, 0 );\r
\r
\r
if (IS_ERR(myfile)) \r
{\r
- const int open_errno = -PTR_ERR(myfile);\r
- printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_audiofilename, open_errno);\r
- return PTR_ERR(myfile);\r
+ const int open_errno = -PTR_ERR(myfile);\r
+ printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_audiofilename, open_errno);\r
+ return PTR_ERR(myfile);\r
} \r
else \r
{ \r
- if( !(myfile->f_op) )\r
- { \r
- printk("%s: File has no file operations registered!\n", __func__);\r
- filp_close(myfile, NULL);\r
- return -EIO;\r
- }\r
- \r
- \r
- if( !myfile->f_op->read ) \r
- { \r
- printk("%s: File has no READ operations registered! \n", __func__);\r
- filp_close(myfile, NULL);\r
- return -EIO;\r
- }\r
- \r
- pos = myfile->f_pos; \r
- old_fs = get_fs(); \r
- set_fs(KERNEL_DS);\r
- \r
- \r
- for( i = 0; i < dev->_audio_lines_count; i++ )\r
- {\r
- pos = file_offset; \r
- \r
- vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos); \r
- \r
- \r
- if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_audiodata_buf_virt_addr != NULL ) \r
- {\r
- memcpy( (void*)(dev->_audiodata_buf_virt_addr+frame_offset/4), mybuf, vfs_read_retval); \r
- } \r
- \r
- file_offset += vfs_read_retval;\r
- frame_offset += vfs_read_retval;\r
-\r
- if( vfs_read_retval < line_size )\r
- { \r
- printk(KERN_INFO "Done: exit %s() since no more bytes to read from Audio file.\n", __func__ );\r
- break;\r
- } \r
- }\r
- \r
- if( i > 0 ) \r
- dev->_audioframe_count++; \r
-\r
- dev->_audiofile_status = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE; \r
-\r
- \r
- set_fs(old_fs); \r
- filp_close(myfile, NULL); \r
+ if( !(myfile->f_op) )\r
+ { \r
+ printk("%s: File has no file operations registered!\n", __func__);\r
+ filp_close(myfile, NULL);\r
+ return -EIO;\r
+ }\r
+ \r
+ \r
+ if( !myfile->f_op->read ) \r
+ { \r
+ printk("%s: File has no READ operations registered! \n", __func__);\r
+ filp_close(myfile, NULL);\r
+ return -EIO;\r
+ }\r
+ \r
+ pos = myfile->f_pos; \r
+ old_fs = get_fs(); \r
+ set_fs(KERNEL_DS);\r
+ \r
+ \r
+ for( i = 0; i < dev->_audio_lines_count; i++ )\r
+ {\r
+ pos = file_offset; \r
+ \r
+ vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos); \r
+ \r
+ \r
+ if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_audiodata_buf_virt_addr != NULL ) \r
+ {\r
+ memcpy( (void*)(dev->_audiodata_buf_virt_addr+frame_offset/4), mybuf, vfs_read_retval); \r
+ } \r
+ \r
+ file_offset += vfs_read_retval;\r
+ frame_offset += vfs_read_retval;\r
+\r
+ if( vfs_read_retval < line_size )\r
+ { \r
+ printk(KERN_INFO "Done: exit %s() since no more bytes to read from Audio file.\n", __func__ );\r
+ break;\r
+ } \r
+ }\r
+ \r
+ if( i > 0 ) \r
+ dev->_audioframe_count++; \r
+\r
+ dev->_audiofile_status = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE; \r
+\r
+ \r
+ set_fs(old_fs); \r
+ filp_close(myfile, NULL); \r
}\r
\r
return 0;\r
\r
if( !dev )\r
{\r
- printk("ERROR %s(): since container_of(work_struct) FAILED! \n", __func__ );\r
- return;\r
+ printk("ERROR %s(): since container_of(work_struct) FAILED! \n", __func__ );\r
+ return;\r
}\r
\r
cx25821_get_audio_data( dev, &dev->sram_channels[dev->_audio_upstream_channel_select] );\r
loff_t pos;\r
loff_t offset = (unsigned long)0;\r
mm_segment_t old_fs;\r
- \r
+ \r
\r
myfile = filp_open( dev->_audiofilename, O_RDONLY | O_LARGEFILE, 0 );\r
\r
\r
if (IS_ERR(myfile)) \r
{\r
- const int open_errno = -PTR_ERR(myfile);\r
- printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_audiofilename, open_errno);\r
- return PTR_ERR(myfile);\r
+ const int open_errno = -PTR_ERR(myfile);\r
+ printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_audiofilename, open_errno);\r
+ return PTR_ERR(myfile);\r
} \r
else \r
{\r
- if( !(myfile->f_op) )\r
- { \r
- printk("%s: File has no file operations registered! \n", __func__);\r
- filp_close(myfile, NULL);\r
- return -EIO;\r
- }\r
- \r
- \r
- if( !myfile->f_op->read )\r
- { \r
- printk("%s: File has no READ operations registered! \n", __func__);\r
- filp_close(myfile, NULL);\r
- return -EIO;\r
- }\r
- \r
- pos = myfile->f_pos;\r
- old_fs = get_fs(); \r
- set_fs(KERNEL_DS);\r
- \r
- \r
- for( j = 0; j < NUM_AUDIO_FRAMES; j++ ) \r
- { \r
- for( i = 0; i < dev->_audio_lines_count; i++ )\r
- {\r
- pos = offset;\r
-\r
- vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos); \r
- \r
- \r
- if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_audiodata_buf_virt_addr != NULL ) \r
- { \r
- memcpy( (void*)(dev->_audiodata_buf_virt_addr+offset/4), mybuf, vfs_read_retval); \r
- } \r
- \r
- offset += vfs_read_retval;\r
-\r
- if( vfs_read_retval < line_size )\r
- { \r
- printk(KERN_INFO "Done: exit %s() since no more bytes to read from Audio file.\n", __func__ );\r
- break;\r
- } \r
- }\r
- \r
- if( i > 0 ) \r
- {\r
- dev->_audioframe_count++;\r
- } \r
- \r
- if( vfs_read_retval < line_size )\r
- {\r
- break;\r
- } \r
- }\r
- \r
- dev->_audiofile_status = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE; \r
- \r
- set_fs(old_fs); \r
- myfile->f_pos = 0;\r
- filp_close(myfile, NULL); \r
+ if( !(myfile->f_op) )\r
+ { \r
+ printk("%s: File has no file operations registered! \n", __func__);\r
+ filp_close(myfile, NULL);\r
+ return -EIO;\r
+ }\r
+ \r
+ \r
+ if( !myfile->f_op->read )\r
+ { \r
+ printk("%s: File has no READ operations registered! \n", __func__);\r
+ filp_close(myfile, NULL);\r
+ return -EIO;\r
+ }\r
+ \r
+ pos = myfile->f_pos;\r
+ old_fs = get_fs(); \r
+ set_fs(KERNEL_DS);\r
+ \r
+ \r
+ for( j = 0; j < NUM_AUDIO_FRAMES; j++ ) \r
+ { \r
+ for( i = 0; i < dev->_audio_lines_count; i++ )\r
+ {\r
+ pos = offset;\r
+\r
+ vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos); \r
+ \r
+ \r
+ if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_audiodata_buf_virt_addr != NULL ) \r
+ { \r
+ memcpy( (void*)(dev->_audiodata_buf_virt_addr+offset/4), mybuf, vfs_read_retval); \r
+ } \r
+ \r
+ offset += vfs_read_retval;\r
+\r
+ if( vfs_read_retval < line_size )\r
+ { \r
+ printk(KERN_INFO "Done: exit %s() since no more bytes to read from Audio file.\n", __func__ );\r
+ break;\r
+ } \r
+ }\r
+ \r
+ if( i > 0 ) \r
+ {\r
+ dev->_audioframe_count++;\r
+ } \r
+ \r
+ if( vfs_read_retval < line_size )\r
+ {\r
+ break;\r
+ } \r
+ }\r
+ \r
+ dev->_audiofile_status = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE; \r
+ \r
+ set_fs(old_fs); \r
+ myfile->f_pos = 0;\r
+ filp_close(myfile, NULL); \r
}\r
\r
return 0;\r
}\r
\r
static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev,\r
- struct sram_channel *sram_ch,\r
- int bpl)\r
+ struct sram_channel *sram_ch,\r
+ int bpl)\r
{\r
int ret = 0;\r
dma_addr_t dma_addr;\r
dma_addr_t data_dma_addr; \r
- \r
+ \r
\r
cx25821_free_memory_audio(dev); \r
\r
\r
if (!dev->_risc_virt_addr)\r
{\r
- printk("cx25821 ERROR: pci_alloc_consistent() FAILED to allocate memory for RISC program! Returning.\n");\r
+ printk("cx25821 ERROR: pci_alloc_consistent() FAILED to allocate memory for RISC program! Returning.\n");\r
return -ENOMEM;\r
}\r
\r
\r
if (!dev->_audiodata_buf_virt_addr)\r
{ \r
- printk("cx25821 ERROR: pci_alloc_consistent() FAILED to allocate memory for data buffer! Returning. \n");\r
+ printk("cx25821 ERROR: pci_alloc_consistent() FAILED to allocate memory for data buffer! Returning. \n");\r
return -ENOMEM;\r
}\r
\r
\r
ret = cx25821_openfile_audio(dev, sram_ch); \r
if( ret < 0 )\r
- return ret;\r
- \r
+ return ret;\r
+ \r
\r
//Creating RISC programs\r
ret = cx25821_risc_buffer_upstream_audio(dev, dev->pci, bpl, dev->_audio_lines_count ); \r
if (status & FLD_AUD_SRC_RISCI1) \r
{\r
//Get interrupt_index of the program that interrupted\r
- u32 prog_cnt = cx_read( channel->gpcnt );\r
+ u32 prog_cnt = cx_read( channel->gpcnt );\r
\r
- //Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers\r
- cx_write(channel->int_msk, 0); \r
- cx_write(channel->int_stat, cx_read(channel->int_stat) );\r
+ //Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers\r
+ cx_write(channel->int_msk, 0); \r
+ cx_write(channel->int_stat, cx_read(channel->int_stat) );\r
\r
spin_lock(&dev->slock); \r
- \r
- \r
- while(prog_cnt != dev->_last_index_irq)\r
- { \r
- //Update _last_index_irq\r
- if(dev->_last_index_irq < (NUMBER_OF_PROGRAMS-1))\r
- {\r
- dev->_last_index_irq++;\r
- }\r
- else\r
- {\r
- dev->_last_index_irq = 0;\r
- }\r
-\r
- dev->_audioframe_index = dev->_last_index_irq;\r
- \r
- queue_work(dev->_irq_audio_queues, &dev->_audio_work_entry); \r
- }\r
-\r
- \r
- if ( dev->_is_first_audio_frame )\r
- {\r
- dev->_is_first_audio_frame = 0; \r
- \r
- if( dev->_risc_virt_start_addr != NULL )\r
- {\r
- risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE + AUDIO_RISC_DMA_BUF_SIZE; \r
- \r
- rp = cx25821_risc_field_upstream_audio(dev, dev->_risc_virt_start_addr+1, dev->_audiodata_buf_phys_addr, AUDIO_LINE_SIZE, FIFO_DISABLE); \r
-\r
- if( USE_RISC_NOOP_AUDIO )\r
- {\r
- for( i = 0; i < NUM_NO_OPS; i++ )\r
- {\r
- *(rp++) = cpu_to_le32(RISC_NOOP);\r
- }\r
- }\r
- \r
- // Jump to 2nd Audio Frame\r
- *(rp++) = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_RESET); \r
- *(rp++) = cpu_to_le32(risc_phys_jump_addr); \r
- *(rp++) = cpu_to_le32(0); \r
- }\r
- }\r
- \r
+ \r
+ \r
+ while(prog_cnt != dev->_last_index_irq)\r
+ { \r
+ //Update _last_index_irq\r
+ if(dev->_last_index_irq < (NUMBER_OF_PROGRAMS-1))\r
+ {\r
+ dev->_last_index_irq++;\r
+ }\r
+ else\r
+ {\r
+ dev->_last_index_irq = 0;\r
+ }\r
+\r
+ dev->_audioframe_index = dev->_last_index_irq;\r
+ \r
+ queue_work(dev->_irq_audio_queues, &dev->_audio_work_entry); \r
+ }\r
+\r
+ \r
+ if ( dev->_is_first_audio_frame )\r
+ {\r
+ dev->_is_first_audio_frame = 0; \r
+ \r
+ if( dev->_risc_virt_start_addr != NULL )\r
+ {\r
+ risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE + AUDIO_RISC_DMA_BUF_SIZE; \r
+ \r
+ rp = cx25821_risc_field_upstream_audio(dev, dev->_risc_virt_start_addr+1, dev->_audiodata_buf_phys_addr, AUDIO_LINE_SIZE, FIFO_DISABLE); \r
+\r
+ if( USE_RISC_NOOP_AUDIO )\r
+ {\r
+ for( i = 0; i < NUM_NO_OPS; i++ )\r
+ {\r
+ *(rp++) = cpu_to_le32(RISC_NOOP);\r
+ }\r
+ }\r
+ \r
+ // Jump to 2nd Audio Frame\r
+ *(rp++) = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_RESET); \r
+ *(rp++) = cpu_to_le32(risc_phys_jump_addr); \r
+ *(rp++) = cpu_to_le32(0); \r
+ }\r
+ }\r
+ \r
spin_unlock(&dev->slock); \r
}\r
else\r
{\r
- if(status & FLD_AUD_SRC_OF)\r
- printk("%s: Audio Received Overflow Error Interrupt!\n", __func__);\r
+ if(status & FLD_AUD_SRC_OF)\r
+ printk("%s: Audio Received Overflow Error Interrupt!\n", __func__);\r
\r
- if(status & FLD_AUD_SRC_SYNC)\r
- printk("%s: Audio Received Sync Error Interrupt!\n", __func__);\r
+ if(status & FLD_AUD_SRC_SYNC)\r
+ printk("%s: Audio Received Sync Error Interrupt!\n", __func__);\r
\r
- if(status & FLD_AUD_SRC_OPC_ERR)\r
- printk("%s: Audio Received OpCode Error Interrupt!\n", __func__); \r
- \r
- // Read and write back the interrupt status register to clear our bits\r
- cx_write(channel->int_stat, cx_read(channel->int_stat) ); \r
+ if(status & FLD_AUD_SRC_OPC_ERR)\r
+ printk("%s: Audio Received OpCode Error Interrupt!\n", __func__); \r
+ \r
+ // Read and write back the interrupt status register to clear our bits\r
+ cx_write(channel->int_stat, cx_read(channel->int_stat) ); \r
}\r
\r
- \r
+ \r
if( dev->_audiofile_status == END_OF_FILE )\r
{ \r
- printk("cx25821: EOF Channel Audio Framecount = %d\n", dev->_audioframe_count );\r
- return -1;\r
+ printk("cx25821: EOF Channel Audio Framecount = %d\n", dev->_audioframe_count );\r
+ return -1;\r
}\r
\r
//ElSE, set the interrupt mask register, re-enable irq. \r
int_msk_tmp = cx_read( channel->int_msk ); \r
cx_write( channel->int_msk, int_msk_tmp |= _intr_msk ); \r
- \r
+ \r
return 0;\r
}\r
\r
\r
\r
if( !dev )\r
- return -1;\r
- \r
+ return -1;\r
+ \r
\r
sram_ch = &dev->sram_channels[dev->_audio_upstream_channel_select]; \r
\r
// Only deal with our interrupt\r
if(audio_status)\r
{\r
- handled = cx25821_audio_upstream_irq(dev, dev->_audio_upstream_channel_select, audio_status);\r
+ handled = cx25821_audio_upstream_irq(dev, dev->_audio_upstream_channel_select, audio_status);\r
}\r
\r
\r
if( handled < 0 )\r
{ \r
- cx25821_stop_upstream_audio(dev);\r
+ cx25821_stop_upstream_audio(dev);\r
}\r
else\r
{\r
- handled += handled; \r
+ handled += handled; \r
} \r
\r
return IRQ_RETVAL(handled);\r
\r
do\r
{\r
- //Wait 10 microsecond before checking to see if the FIFO is turned ON.\r
- udelay(10);\r
-\r
- tmp = cx_read( sram_ch->dma_ctl );\r
- \r
- if(count++ > 1000) //10 millisecond timeout \r
- {\r
- printk("cx25821 ERROR: %s() fifo is NOT turned on. Timeout!\n", __func__);\r
- return;\r
- }\r
- \r
+ //Wait 10 microsecond before checking to see if the FIFO is turned ON.\r
+ udelay(10);\r
+\r
+ tmp = cx_read( sram_ch->dma_ctl );\r
+ \r
+ if(count++ > 1000) //10 millisecond timeout \r
+ {\r
+ printk("cx25821 ERROR: %s() fifo is NOT turned on. Timeout!\n", __func__);\r
+ return;\r
+ }\r
+ \r
} while( !(tmp & sram_ch->fld_aud_fifo_en) );\r
- \r
+ \r
}\r
\r
\r
int cx25821_start_audio_dma_upstream(struct cx25821_dev *dev,\r
- struct sram_channel *sram_ch)\r
+ struct sram_channel *sram_ch)\r
{\r
u32 tmp = 0;\r
int err = 0;\r
\r
if( dev->_audio_is_running )\r
{\r
- printk("Audio Channel is still running so return!\n");\r
- return 0;\r
+ printk("Audio Channel is still running so return!\n");\r
+ return 0;\r
}\r
- \r
+ \r
dev->_audio_upstream_channel_select = channel_select; \r
sram_ch = &dev->sram_channels[channel_select]; \r
\r
\r
if(!dev->_irq_audio_queues)\r
{\r
- printk("cx25821 ERROR: create_singlethread_workqueue() for Audio FAILED!\n");\r
+ printk("cx25821 ERROR: create_singlethread_workqueue() for Audio FAILED!\n");\r
return -ENOMEM;\r
}\r
- \r
+ \r
\r
dev->_last_index_irq = 0; \r
dev->_audio_is_running = 0; \r
dev->_audio_lines_count = LINES_PER_AUDIO_BUFFER; \r
_line_size = AUDIO_LINE_SIZE; \r
\r
- \r
+ \r
if( dev->input_audiofilename )\r
{\r
- str_length = strlen(dev->input_audiofilename);\r
- dev->_audiofilename = (char *) kmalloc(str_length + 1, GFP_KERNEL); \r
- \r
- if( !dev->_audiofilename )\r
- goto error;\r
- \r
- memcpy(dev->_audiofilename, dev->input_audiofilename, str_length + 1); \r
-\r
- //Default if filename is empty string\r
- if( strcmp(dev->input_audiofilename,"") == 0) \r
- {\r
- dev->_audiofilename = "/root/audioGOOD.wav"; \r
- } \r
+ str_length = strlen(dev->input_audiofilename);\r
+ dev->_audiofilename = (char *) kmalloc(str_length + 1, GFP_KERNEL); \r
+ \r
+ if( !dev->_audiofilename )\r
+ goto error;\r
+ \r
+ memcpy(dev->_audiofilename, dev->input_audiofilename, str_length + 1); \r
+\r
+ //Default if filename is empty string\r
+ if( strcmp(dev->input_audiofilename,"") == 0) \r
+ {\r
+ dev->_audiofilename = "/root/audioGOOD.wav"; \r
+ } \r
}\r
else\r
{\r
- str_length = strlen(_defaultAudioName); \r
- dev->_audiofilename = (char *) kmalloc(str_length + 1, GFP_KERNEL); \r
- \r
- if( !dev->_audiofilename )\r
- goto error;\r
- \r
- memcpy(dev->_audiofilename, _defaultAudioName, str_length + 1);\r
+ str_length = strlen(_defaultAudioName); \r
+ dev->_audiofilename = (char *) kmalloc(str_length + 1, GFP_KERNEL); \r
+ \r
+ if( !dev->_audiofilename )\r
+ goto error;\r
+ \r
+ memcpy(dev->_audiofilename, _defaultAudioName, str_length + 1);\r
} \r
\r
\r
\r
return err;\r
}\r
-