1 files changed, 0 insertions, 673 deletions

diff --git a/drivers/media/pci/cx25821/cx25821-video-upstream.c b/drivers/media/pci/cx25821/cx25821-video-upstream.c
deleted file mode 100644
index 6c838c8a7924..000000000000
--- a/drivers/media/pci/cx25821/cx25821-video-upstream.c
+++ /dev/null
@@ -1,673 +0,0 @@
-/*
- *  Driver for the Conexant CX25821 PCIe bridge
- *
- *  Copyright (C) 2009 Conexant Systems Inc.
- *  Authors  <hiep.huynh@conexant.com>, <shu.lin@conexant.com>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
- *  GNU General Public License for more details.
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include "cx25821-video.h"
-#include "cx25821-video-upstream.h"
-
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/slab.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;
-
-int cx25821_sram_channel_setup_upstream(struct cx25821_dev *dev,
-					const struct sram_channel *ch,
-					unsigned int bpl, u32 risc)
-{
-	unsigned int i, lines;
-	u32 cdt;
-
-	if (ch->cmds_start == 0) {
-		cx_write(ch->ptr1_reg, 0);
-		cx_write(ch->ptr2_reg, 0);
-		cx_write(ch->cnt2_reg, 0);
-		cx_write(ch->cnt1_reg, 0);
-		return 0;
-	}
-
-	bpl = (bpl + 7) & ~7;	/* alignment */
-	cdt = ch->cdt;
-	lines = ch->fifo_size / bpl;
-
-	if (lines > 4)
-		lines = 4;
-
-	BUG_ON(lines < 2);
-
-	/* write CDT */
-	for (i = 0; i < lines; i++) {
-		cx_write(cdt + 16 * i, ch->fifo_start + bpl * i);
-		cx_write(cdt + 16 * i + 4, 0);
-		cx_write(cdt + 16 * i + 8, 0);
-		cx_write(cdt + 16 * i + 12, 0);
-	}
-
-	/* write CMDS */
-	cx_write(ch->cmds_start + 0, risc);
-
-	cx_write(ch->cmds_start + 4, 0);
-	cx_write(ch->cmds_start + 8, cdt);
-	cx_write(ch->cmds_start + 12, (lines * 16) >> 3);
-	cx_write(ch->cmds_start + 16, ch->ctrl_start);
-
-	cx_write(ch->cmds_start + 20, VID_IQ_SIZE_DW);
-
-	for (i = 24; i < 80; i += 4)
-		cx_write(ch->cmds_start + i, 0);
-
-	/* fill registers */
-	cx_write(ch->ptr1_reg, ch->fifo_start);
-	cx_write(ch->ptr2_reg, cdt);
-	cx_write(ch->cnt2_reg, (lines * 16) >> 3);
-	cx_write(ch->cnt1_reg, (bpl >> 3) - 1);
-
-	return 0;
-}
-
-static __le32 *cx25821_update_riscprogram(struct cx25821_channel *chan,
-					  __le32 *rp, unsigned int offset,
-					  unsigned int bpl, u32 sync_line,
-					  unsigned int lines, int fifo_enable,
-					  int field_type)
-{
-	struct cx25821_video_out_data *out = chan->out;
-	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);
-	}
-
-	/* scan lines */
-	for (line = 0; line < lines; line++) {
-		*(rp++) = cpu_to_le32(RISC_READ | RISC_SOL | RISC_EOL | bpl);
-		*(rp++) = cpu_to_le32(out->_data_buf_phys_addr + offset);
-		*(rp++) = cpu_to_le32(0);	/* bits 63-32 */
-
-		if ((lines <= NTSC_FIELD_HEIGHT)
-		    || (line < (NTSC_FIELD_HEIGHT - 1)) || !(out->is_60hz)) {
-			offset += dist_betwn_starts;
-		}
-	}
-
-	return rp;
-}
-
-static __le32 *cx25821_risc_field_upstream(struct cx25821_channel *chan, __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)
-{
-	struct cx25821_video_out_data *out = chan->out;
-	unsigned int line, i;
-	const struct sram_channel *sram_ch = chan->sram_channels;
-	int dist_betwn_starts = bpl * 2;
-
-	/* sync instruction */
-	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++)
-			*(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)) || !(out->is_60hz))
-			/* to skip the other field line */
-			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++) = cpu_to_le32(RISC_WRITECR);
-			*(rp++) = cpu_to_le32(sram_ch->dma_ctl);
-			*(rp++) = cpu_to_le32(FLD_VID_FIFO_EN);
-			*(rp++) = cpu_to_le32(0x00000001);
-		}
-	}
-
-	return rp;
-}
-
-static int cx25821_risc_buffer_upstream(struct cx25821_channel *chan,
-					struct pci_dev *pci,
-					unsigned int top_offset,
-					unsigned int bpl, unsigned int lines)
-{
-	struct cx25821_video_out_data *out = chan->out;
-	__le32 *rp;
-	int fifo_enable = 0;
-	/* get line count for single field */
-	int singlefield_lines = lines >> 1;
-	int odd_num_lines = singlefield_lines;
-	int frame = 0;
-	int frame_size = 0;
-	int databuf_offset = 0;
-	int risc_program_size = 0;
-	int risc_flag = RISC_CNT_RESET;
-	unsigned int bottom_offset = bpl;
-	dma_addr_t risc_phys_jump_addr;
-
-	if (out->is_60hz) {
-		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;
-	}
-
-	/* Virtual address of Risc buffer program */
-	rp = out->_dma_virt_addr;
-
-	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(chan, rp,
-					out->_data_buf_phys_addr +
-					databuf_offset, top_offset, 0, bpl,
-					odd_num_lines, fifo_enable, ODD_FIELD);
-		}
-
-		fifo_enable = FIFO_DISABLE;
-
-		/* Even Field */
-		rp = cx25821_risc_field_upstream(chan, rp,
-						 out->_data_buf_phys_addr +
-						 databuf_offset, bottom_offset,
-						 0x200, bpl, singlefield_lines,
-						 fifo_enable, EVEN_FIELD);
-
-		if (frame == 0) {
-			risc_flag = RISC_CNT_RESET;
-			risc_phys_jump_addr = out->_dma_phys_start_addr +
-				risc_program_size;
-		} else {
-			risc_phys_jump_addr = out->_dma_phys_start_addr;
-			risc_flag = RISC_CNT_INC;
-		}
-
-		/* 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;
-}
-
-void cx25821_stop_upstream_video(struct cx25821_channel *chan)
-{
-	struct cx25821_video_out_data *out = chan->out;
-	struct cx25821_dev *dev = chan->dev;
-	const struct sram_channel *sram_ch = chan->sram_channels;
-	u32 tmp = 0;
-
-	if (!out->_is_running) {
-		pr_info("No video file is currently running so return!\n");
-		return;
-	}
-
-	/* Set the interrupt mask register, disable irq. */
-	cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) & ~(1 << sram_ch->irq_bit));
-
-	/* Disable RISC interrupts */
-	tmp = cx_read(sram_ch->int_msk);
-	cx_write(sram_ch->int_msk, tmp & ~_intr_msk);
-
-	/* Turn OFF risc and fifo enable */
-	tmp = cx_read(sram_ch->dma_ctl);
-	cx_write(sram_ch->dma_ctl, tmp & ~(FLD_VID_FIFO_EN | FLD_VID_RISC_EN));
-
-	free_irq(dev->pci->irq, chan);
-
-	/* Clear data buffer memory */
-	if (out->_data_buf_virt_addr)
-		memset(out->_data_buf_virt_addr, 0, out->_data_buf_size);
-
-	out->_is_running = 0;
-	out->_is_first_frame = 0;
-	out->_frame_count = 0;
-	out->_file_status = END_OF_FILE;
-
-	tmp = cx_read(VID_CH_MODE_SEL);
-	cx_write(VID_CH_MODE_SEL, tmp & 0xFFFFFE00);
-}
-
-void cx25821_free_mem_upstream(struct cx25821_channel *chan)
-{
-	struct cx25821_video_out_data *out = chan->out;
-	struct cx25821_dev *dev = chan->dev;
-
-	if (out->_is_running)
-		cx25821_stop_upstream_video(chan);
-
-	if (out->_dma_virt_addr) {
-		pci_free_consistent(dev->pci, out->_risc_size,
-				    out->_dma_virt_addr, out->_dma_phys_addr);
-		out->_dma_virt_addr = NULL;
-	}
-
-	if (out->_data_buf_virt_addr) {
-		pci_free_consistent(dev->pci, out->_data_buf_size,
-				    out->_data_buf_virt_addr,
-				    out->_data_buf_phys_addr);
-		out->_data_buf_virt_addr = NULL;
-	}
-}
-
-int cx25821_write_frame(struct cx25821_channel *chan,
-		const char __user *data, size_t count)
-{
-	struct cx25821_video_out_data *out = chan->out;
-	int line_size = (out->_pixel_format == PIXEL_FRMT_411) ?
-		Y411_LINE_SZ : Y422_LINE_SZ;
-	int frame_size = 0;
-	int frame_offset = 0;
-	int curpos = out->curpos;
-
-	if (out->is_60hz)
-		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 (curpos == 0) {
-		out->cur_frame_index = out->_frame_index;
-		if (wait_event_interruptible(out->waitq, out->cur_frame_index != out->_frame_index))
-			return -EINTR;
-		out->cur_frame_index = out->_frame_index;
-	}
-
-	frame_offset = out->cur_frame_index ? frame_size : 0;
-
-	if (frame_size - curpos < count)
-		count = frame_size - curpos;
-	if (copy_from_user((__force char *)out->_data_buf_virt_addr + frame_offset + curpos,
-				data, count))
-		return -EFAULT;
-	curpos += count;
-	if (curpos == frame_size) {
-		out->_frame_count++;
-		curpos = 0;
-	}
-	out->curpos = curpos;
-
-	return count;
-}
-
-static int cx25821_upstream_buffer_prepare(struct cx25821_channel *chan,
-					   const struct sram_channel *sram_ch,
-					   int bpl)
-{
-	struct cx25821_video_out_data *out = chan->out;
-	struct cx25821_dev *dev = chan->dev;
-	int ret = 0;
-	dma_addr_t dma_addr;
-	dma_addr_t data_dma_addr;
-
-	if (out->_dma_virt_addr != NULL)
-		pci_free_consistent(dev->pci, out->upstream_riscbuf_size,
-				out->_dma_virt_addr, out->_dma_phys_addr);
-
-	out->_dma_virt_addr = pci_alloc_consistent(dev->pci,
-			out->upstream_riscbuf_size, &dma_addr);
-	out->_dma_virt_start_addr = out->_dma_virt_addr;
-	out->_dma_phys_start_addr = dma_addr;
-	out->_dma_phys_addr = dma_addr;
-	out->_risc_size = out->upstream_riscbuf_size;
-
-	if (!out->_dma_virt_addr) {
-		pr_err("FAILED to allocate memory for Risc buffer! Returning\n");
-		return -ENOMEM;
-	}
-
-	/* Clear memory at address */
-	memset(out->_dma_virt_addr, 0, out->_risc_size);
-
-	if (out->_data_buf_virt_addr != NULL)
-		pci_free_consistent(dev->pci, out->upstream_databuf_size,
-				out->_data_buf_virt_addr,
-				out->_data_buf_phys_addr);
-	/* For Video Data buffer allocation */
-	out->_data_buf_virt_addr = pci_alloc_consistent(dev->pci,
-			out->upstream_databuf_size, &data_dma_addr);
-	out->_data_buf_phys_addr = data_dma_addr;
-	out->_data_buf_size = out->upstream_databuf_size;
-
-	if (!out->_data_buf_virt_addr) {
-		pr_err("FAILED to allocate memory for data buffer! Returning\n");
-		return -ENOMEM;
-	}
-
-	/* Clear memory at address */
-	memset(out->_data_buf_virt_addr, 0, out->_data_buf_size);
-
-	/* Create RISC programs */
-	ret = cx25821_risc_buffer_upstream(chan, dev->pci, 0, bpl,
-			out->_lines_count);
-	if (ret < 0) {
-		pr_info("Failed creating Video Upstream Risc programs!\n");
-		goto error;
-	}
-
-	return 0;
-
-error:
-	return ret;
-}
-
-static int cx25821_video_upstream_irq(struct cx25821_channel *chan, u32 status)
-{
-	struct cx25821_video_out_data *out = chan->out;
-	struct cx25821_dev *dev = chan->dev;
-	u32 int_msk_tmp;
-	const struct sram_channel *channel = chan->sram_channels;
-	int singlefield_lines = NTSC_FIELD_HEIGHT;
-	int line_size_in_bytes = Y422_LINE_SZ;
-	int odd_risc_prog_size = 0;
-	dma_addr_t risc_phys_jump_addr;
-	__le32 *rp;
-
-	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);
-
-		wake_up(&out->waitq);
-
-		spin_lock(&dev->slock);
-
-		out->_frame_index = prog_cnt;
-
-		if (out->_is_first_frame) {
-			out->_is_first_frame = 0;
-
-			if (out->is_60hz) {
-				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 (out->_dma_virt_start_addr != NULL) {
-				line_size_in_bytes =
-				    (out->_pixel_format ==
-				     PIXEL_FRMT_411) ? Y411_LINE_SZ :
-				    Y422_LINE_SZ;
-				risc_phys_jump_addr =
-				    out->_dma_phys_start_addr +
-				    odd_risc_prog_size;
-
-				rp = cx25821_update_riscprogram(chan,
-					out->_dma_virt_start_addr, 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);
-	} else {
-		if (status & FLD_VID_SRC_UF)
-			pr_err("%s(): Video Received Underflow Error Interrupt!\n",
-			       __func__);
-
-		if (status & FLD_VID_SRC_SYNC)
-			pr_err("%s(): Video Received Sync Error Interrupt!\n",
-			       __func__);
-
-		if (status & FLD_VID_SRC_OPC_ERR)
-			pr_err("%s(): Video Received OpCode Error Interrupt!\n",
-			       __func__);
-	}
-
-	if (out->_file_status == END_OF_FILE) {
-		pr_err("EOF Channel 1 Framecount = %d\n", out->_frame_count);
-		return -1;
-	}
-	/* 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);
-
-	return 0;
-}
-
-static irqreturn_t cx25821_upstream_irq(int irq, void *dev_id)
-{
-	struct cx25821_channel *chan = dev_id;
-	struct cx25821_dev *dev = chan->dev;
-	u32 vid_status;
-	int handled = 0;
-	const struct sram_channel *sram_ch;
-
-	if (!dev)
-		return -1;
-
-	sram_ch = chan->sram_channels;
-
-	vid_status = cx_read(sram_ch->int_stat);
-
-	/* Only deal with our interrupt */
-	if (vid_status)
-		handled = cx25821_video_upstream_irq(chan, vid_status);
-
-	return IRQ_RETVAL(handled);
-}
-
-static void cx25821_set_pixelengine(struct cx25821_channel *chan,
-				    const struct sram_channel *ch,
-				    int pix_format)
-{
-	struct cx25821_video_out_data *out = chan->out;
-	struct cx25821_dev *dev = chan->dev;
-	int width = WIDTH_D1;
-	int height = out->_lines_count;
-	int num_lines, odd_num_lines;
-	u32 value;
-	int vip_mode = OUTPUT_FRMT_656;
-
-	value = ((pix_format & 0x3) << 12) | (vip_mode & 0x7);
-	value &= 0xFFFFFFEF;
-	value |= out->is_60hz ? 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 */
-	cx_write(ch->vid_active_ctl1, width);
-
-	num_lines = (height / 2) & 0x3FF;
-	odd_num_lines = num_lines;
-
-	if (out->is_60hz)
-		odd_num_lines += 1;
-
-	value = (num_lines << 16) | odd_num_lines;
-
-	/* 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);
-}
-
-static int cx25821_start_video_dma_upstream(struct cx25821_channel *chan,
-					    const struct sram_channel *sram_ch)
-{
-	struct cx25821_video_out_data *out = chan->out;
-	struct cx25821_dev *dev = chan->dev;
-	u32 tmp = 0;
-	int err = 0;
-
-	/* 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.
-	 */
-	cx_write(sram_ch->cmds_start + 0, out->_dma_phys_addr);
-	/* Risc IPC High 64 bits 63-32 */
-	cx_write(sram_ch->cmds_start + 4, 0);
-
-	/* reset counter */
-	cx_write(sram_ch->gpcnt_ctl, 3);
-
-	/* Clear our bits from the interrupt status register. */
-	cx_write(sram_ch->int_stat, _intr_msk);
-
-	/* 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);
-
-	err = request_irq(dev->pci->irq, cx25821_upstream_irq,
-			IRQF_SHARED, dev->name, chan);
-	if (err < 0) {
-		pr_err("%s: can't get upstream IRQ %d\n",
-		       dev->name, dev->pci->irq);
-		goto fail_irq;
-	}
-
-	/* Start the DMA  engine */
-	tmp = cx_read(sram_ch->dma_ctl);
-	cx_set(sram_ch->dma_ctl, tmp | FLD_VID_RISC_EN);
-
-	out->_is_running = 1;
-	out->_is_first_frame = 1;
-
-	return 0;
-
-fail_irq:
-	cx25821_dev_unregister(dev);
-	return err;
-}
-
-int cx25821_vidupstream_init(struct cx25821_channel *chan,
-				 int pixel_format)
-{
-	struct cx25821_video_out_data *out = chan->out;
-	struct cx25821_dev *dev = chan->dev;
-	const struct sram_channel *sram_ch;
-	u32 tmp;
-	int err = 0;
-	int data_frame_size = 0;
-	int risc_buffer_size = 0;
-
-	if (out->_is_running) {
-		pr_info("Video Channel is still running so return!\n");
-		return 0;
-	}
-
-	sram_ch = chan->sram_channels;
-
-	out->is_60hz = dev->tvnorm & V4L2_STD_525_60;
-
-	/* 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);
-
-	out->_is_running = 0;
-	out->_frame_count = 0;
-	out->_file_status = RESET_STATUS;
-	out->_lines_count = out->is_60hz ? 480 : 576;
-	out->_pixel_format = pixel_format;
-	out->_line_size = (out->_pixel_format == PIXEL_FRMT_422) ?
-		(WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2;
-	data_frame_size = out->is_60hz ? NTSC_DATA_BUF_SZ : PAL_DATA_BUF_SZ;
-	risc_buffer_size = out->is_60hz ?
-		NTSC_RISC_BUF_SIZE : PAL_RISC_BUF_SIZE;
-
-	out->_is_running = 0;
-	out->_frame_count = 0;
-	out->_file_status = RESET_STATUS;
-	out->_lines_count = out->is_60hz ? 480 : 576;
-	out->_pixel_format = pixel_format;
-	out->_line_size = (out->_pixel_format == PIXEL_FRMT_422) ?
-		(WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2;
-	out->curpos = 0;
-	init_waitqueue_head(&out->waitq);
-
-	err = cx25821_sram_channel_setup_upstream(dev, sram_ch,
-			out->_line_size, 0);
-
-	/* setup fifo + format */
-	cx25821_set_pixelengine(chan, sram_ch, out->_pixel_format);
-
-	out->upstream_riscbuf_size = risc_buffer_size * 2;
-	out->upstream_databuf_size = data_frame_size * 2;
-
-	/* Allocating buffers and prepare RISC program */
-	err = cx25821_upstream_buffer_prepare(chan, sram_ch, out->_line_size);
-	if (err < 0) {
-		pr_err("%s: Failed to set up Video upstream buffers!\n",
-		       dev->name);
-		goto error;
-	}
-
-	cx25821_start_video_dma_upstream(chan, sram_ch);
-
-	return 0;
-
-error:
-	cx25821_dev_unregister(dev);
-
-	return err;
-}