diff options
Diffstat (limited to 'drivers/media/video/cx25821/cx25821-video-upstream-ch2.c')
-rw-r--r-- | drivers/media/video/cx25821/cx25821-video-upstream-ch2.c | 138 |
1 files changed, 59 insertions, 79 deletions
diff --git a/drivers/media/video/cx25821/cx25821-video-upstream-ch2.c b/drivers/media/video/cx25821/cx25821-video-upstream-ch2.c index 2a724ddfa53f..5a157cf4a95e 100644 --- a/drivers/media/video/cx25821/cx25821-video-upstream-ch2.c +++ b/drivers/media/video/cx25821/cx25821-video-upstream-ch2.c @@ -65,9 +65,8 @@ static __le32 *cx25821_update_riscprogram_ch2(struct cx25821_dev *dev, *(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)) { + if ((lines <= NTSC_FIELD_HEIGHT) || + (line < (NTSC_FIELD_HEIGHT - 1)) || !(dev->_isNTSC_ch2)) { offset += dist_betwn_starts; } } @@ -85,7 +84,7 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev, { unsigned int line, i; struct sram_channel *sram_ch = - dev->channels[dev->_channel2_upstream_select].sram_channels; + dev->channels[dev->_channel2_upstream_select].sram_channels; int dist_betwn_starts = bpl * 2; /* sync instruction */ @@ -103,9 +102,8 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev, *(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)) { + if ((lines <= NTSC_FIELD_HEIGHT) || + (line < (NTSC_FIELD_HEIGHT - 1)) || !(dev->_isNTSC_ch2)) { offset += dist_betwn_starts; } @@ -173,7 +171,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev, fifo_enable = FIFO_DISABLE; - /* Even field */ + /* Even field */ rp = cx25821_risc_field_upstream_ch2(dev, rp, dev->_data_buf_phys_addr_ch2 + databuf_offset, bottom_offset, 0x200, bpl, singlefield_lines, @@ -189,9 +187,9 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev, } /* - Loop to 2ndFrameRISC or to Start of - Risc program & generate IRQ - */ + * 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); @@ -203,7 +201,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev, void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev) { struct sram_channel *sram_ch = - dev->channels[VID_UPSTREAM_SRAM_CHANNEL_J].sram_channels; + dev->channels[VID_UPSTREAM_SRAM_CHANNEL_J].sram_channels; u32 tmp = 0; if (!dev->_is_running_ch2) { @@ -262,9 +260,8 @@ int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) struct file *myfile; int frame_index_temp = dev->_frame_index_ch2; int i = 0; - int line_size = - (dev->_pixel_format_ch2 == - PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ; + int line_size = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? + Y411_LINE_SZ : Y422_LINE_SZ; int frame_size = 0; int frame_offset = 0; ssize_t vfs_read_retval = 0; @@ -277,14 +274,11 @@ int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) 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; @@ -318,14 +312,14 @@ int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) for (i = 0; i < dev->_lines_count_ch2; 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_ch2 != NULL) { memcpy((void *)(dev->_data_buf_virt_addr_ch2 + frame_offset / 4), mybuf, - vfs_read_retval); + vfs_read_retval); } file_offset += vfs_read_retval; @@ -341,8 +335,8 @@ int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) if (i > 0) dev->_frame_count_ch2++; - dev->_file_status_ch2 = - (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE; + dev->_file_status_ch2 = (vfs_read_retval == line_size) ? + IN_PROGRESS : END_OF_FILE; set_fs(old_fs); filp_close(myfile, NULL); @@ -353,8 +347,8 @@ int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) static void cx25821_vidups_handler_ch2(struct work_struct *work) { - struct cx25821_dev *dev = - container_of(work, struct cx25821_dev, _irq_work_entry_ch2); + struct cx25821_dev *dev = container_of(work, struct cx25821_dev, + _irq_work_entry_ch2); if (!dev) { pr_err("ERROR %s(): since container_of(work_struct) FAILED!\n", @@ -362,18 +356,16 @@ static void cx25821_vidups_handler_ch2(struct work_struct *work) return; } - cx25821_get_frame_ch2(dev, - dev->channels[dev-> - _channel2_upstream_select].sram_channels); + cx25821_get_frame_ch2(dev, dev->channels[dev-> + _channel2_upstream_select].sram_channels); } int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) { struct file *myfile; int i = 0, j = 0; - int line_size = - (dev->_pixel_format_ch2 == - PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ; + int line_size = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? + Y411_LINE_SZ : Y422_LINE_SZ; ssize_t vfs_read_retval = 0; char mybuf[line_size]; loff_t pos; @@ -410,16 +402,16 @@ int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) for (i = 0; i < dev->_lines_count_ch2; 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->_data_buf_virt_addr_ch2 != NULL) { + 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); + vfs_read_retval); } offset += vfs_read_retval; @@ -438,8 +430,8 @@ int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) break; } - dev->_file_status_ch2 = - (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE; + dev->_file_status_ch2 = (vfs_read_retval == line_size) ? + IN_PROGRESS : END_OF_FILE; set_fs(old_fs); myfile->f_pos = 0; @@ -463,9 +455,8 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev, dev->_dma_phys_addr_ch2); } - dev->_dma_virt_addr_ch2 = - pci_alloc_consistent(dev->pci, dev->upstream_riscbuf_size_ch2, - &dma_addr); + dev->_dma_virt_addr_ch2 = pci_alloc_consistent(dev->pci, + dev->upstream_riscbuf_size_ch2, &dma_addr); dev->_dma_virt_start_addr_ch2 = dev->_dma_virt_addr_ch2; dev->_dma_phys_start_addr_ch2 = dma_addr; dev->_dma_phys_addr_ch2 = dma_addr; @@ -485,9 +476,8 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev, dev->_data_buf_phys_addr_ch2); } /* For Video Data buffer allocation */ - dev->_data_buf_virt_addr_ch2 = - pci_alloc_consistent(dev->pci, dev->upstream_databuf_size_ch2, - &data_dma_addr); + dev->_data_buf_virt_addr_ch2 = pci_alloc_consistent(dev->pci, + dev->upstream_databuf_size_ch2, &data_dma_addr); dev->_data_buf_phys_addr_ch2 = data_dma_addr; dev->_data_buf_size_ch2 = dev->upstream_databuf_size_ch2; @@ -563,8 +553,8 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num, else line_size_in_bytes = Y422_LINE_SZ; risc_phys_jump_addr = - dev->_dma_phys_start_addr_ch2 + - odd_risc_prog_size; + dev->_dma_phys_start_addr_ch2 + + odd_risc_prog_size; rp = cx25821_update_riscprogram_ch2(dev, dev->_dma_virt_start_addr_ch2, @@ -612,11 +602,9 @@ static irqreturn_t cx25821_upstream_irq_ch2(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_ch2(dev, channel_num, - vid_status); - } + if (vid_status) + handled = cx25821_video_upstream_irq_ch2(dev, channel_num, + vid_status); if (handled < 0) cx25821_stop_upstream_video_ch2(dev); @@ -691,8 +679,7 @@ int cx25821_start_video_dma_upstream_ch2(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_ch2, + err = request_irq(dev->pci->irq, cx25821_upstream_irq_ch2, IRQF_SHARED, dev->name, dev); if (err < 0) { pr_err("%s: can't get upstream IRQ %d\n", @@ -752,45 +739,38 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, dev->_file_status_ch2 = RESET_STATUS; dev->_lines_count_ch2 = dev->_isNTSC_ch2 ? 480 : 576; dev->_pixel_format_ch2 = pixel_format; - dev->_line_size_ch2 = - (dev->_pixel_format_ch2 == - PIXEL_FRMT_422) ? (WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2; + dev->_line_size_ch2 = (dev->_pixel_format_ch2 == PIXEL_FRMT_422) ? + (WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2; 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; + 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 = kmalloc(str_length + 1, GFP_KERNEL); + dev->_filename_ch2 = kmemdup(dev->input_filename_ch2, + 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 = kmalloc(str_length + 1, GFP_KERNEL); + dev->_filename_ch2 = kmemdup(dev->_defaultname_ch2, + 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"; + 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"; + dev->_filename_ch2 = (dev->_pixel_format_ch2 == + PIXEL_FRMT_411) ? "/root/pal411.yuv" : + "/root/pal422.yuv"; } } |