1524 lines
40 KiB
C
1524 lines
40 KiB
C
/*
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*
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* Support for a cx23416 mpeg encoder via cx2388x host port.
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* "blackbird" reference design.
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*
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* (c) 2004 Jelle Foks <jelle@foks.8m.com>
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* (c) 2004 Gerd Knorr <kraxel@bytesex.org>
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*
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* Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/fs.h>
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#include <linux/delay.h>
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#include <linux/device.h>
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#include <linux/firmware.h>
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#include <media/v4l2-common.h>
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#include <media/cx2341x.h>
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#include "cx88.h"
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MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
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MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
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MODULE_LICENSE("GPL");
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static unsigned int mpegbufs = 32;
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module_param(mpegbufs,int,0644);
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MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
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static unsigned int debug = 0;
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module_param(debug,int,0644);
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MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
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#define dprintk(level,fmt, arg...) if (debug >= level) \
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printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
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/* ------------------------------------------------------------------ */
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struct cx88_tvnorm {
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char *name;
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v4l2_std_id id;
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u32 cxiformat;
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u32 cxoformat;
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};
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static struct cx88_tvnorm tvnorms[] = {
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{
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.name = "NTSC-M",
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.id = V4L2_STD_NTSC_M,
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.cxiformat = VideoFormatNTSC,
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.cxoformat = 0x181f0008,
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},{
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.name = "NTSC-JP",
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.id = V4L2_STD_NTSC_M_JP,
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.cxiformat = VideoFormatNTSCJapan,
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.cxoformat = 0x181f0008,
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},{
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.name = "PAL-BG",
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.id = V4L2_STD_PAL_BG,
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.cxiformat = VideoFormatPAL,
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.cxoformat = 0x181f0008,
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},{
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.name = "PAL-DK",
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.id = V4L2_STD_PAL_DK,
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.cxiformat = VideoFormatPAL,
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.cxoformat = 0x181f0008,
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},{
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.name = "PAL-I",
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.id = V4L2_STD_PAL_I,
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.cxiformat = VideoFormatPAL,
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.cxoformat = 0x181f0008,
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},{
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.name = "PAL-M",
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.id = V4L2_STD_PAL_M,
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.cxiformat = VideoFormatPALM,
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.cxoformat = 0x1c1f0008,
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},{
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.name = "PAL-N",
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.id = V4L2_STD_PAL_N,
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.cxiformat = VideoFormatPALN,
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.cxoformat = 0x1c1f0008,
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},{
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.name = "PAL-Nc",
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.id = V4L2_STD_PAL_Nc,
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.cxiformat = VideoFormatPALNC,
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.cxoformat = 0x1c1f0008,
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},{
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.name = "PAL-60",
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.id = V4L2_STD_PAL_60,
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.cxiformat = VideoFormatPAL60,
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.cxoformat = 0x181f0008,
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},{
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.name = "SECAM-L",
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.id = V4L2_STD_SECAM_L,
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.cxiformat = VideoFormatSECAM,
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.cxoformat = 0x181f0008,
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},{
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.name = "SECAM-DK",
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.id = V4L2_STD_SECAM_DK,
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.cxiformat = VideoFormatSECAM,
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.cxoformat = 0x181f0008,
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}
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};
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int cx88_do_ioctl( struct inode *inode, struct file *file,
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int radio, struct cx88_core *core, unsigned int cmd,
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void *arg, v4l2_kioctl driver_ioctl );
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#define BLACKBIRD_FIRM_IMAGE_SIZE 256*1024
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/* defines below are from ivtv-driver.h */
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#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
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/* Firmware API commands */
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#define IVTV_API_STD_TIMEOUT 500
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enum blackbird_capture_type {
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BLACKBIRD_MPEG_CAPTURE,
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BLACKBIRD_RAW_CAPTURE,
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BLACKBIRD_RAW_PASSTHRU_CAPTURE
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};
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enum blackbird_capture_bits {
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BLACKBIRD_RAW_BITS_NONE = 0x00,
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BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
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BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
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BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
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BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
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BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
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};
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enum blackbird_capture_end {
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BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
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BLACKBIRD_END_NOW, /* stop immediately, no irq */
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};
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enum blackbird_framerate {
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BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
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BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
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};
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enum blackbird_stream_port {
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BLACKBIRD_OUTPUT_PORT_MEMORY,
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BLACKBIRD_OUTPUT_PORT_STREAMING,
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BLACKBIRD_OUTPUT_PORT_SERIAL
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};
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enum blackbird_data_xfer_status {
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BLACKBIRD_MORE_BUFFERS_FOLLOW,
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BLACKBIRD_LAST_BUFFER,
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};
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enum blackbird_picture_mask {
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BLACKBIRD_PICTURE_MASK_NONE,
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BLACKBIRD_PICTURE_MASK_I_FRAMES,
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BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
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BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
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};
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enum blackbird_vbi_mode_bits {
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BLACKBIRD_VBI_BITS_SLICED,
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BLACKBIRD_VBI_BITS_RAW,
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};
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enum blackbird_vbi_insertion_bits {
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BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
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BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
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BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
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BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
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BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
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};
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enum blackbird_dma_unit {
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BLACKBIRD_DMA_BYTES,
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BLACKBIRD_DMA_FRAMES,
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};
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enum blackbird_dma_transfer_status_bits {
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BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
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BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
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BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
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};
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enum blackbird_pause {
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BLACKBIRD_PAUSE_ENCODING,
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BLACKBIRD_RESUME_ENCODING,
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};
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enum blackbird_copyright {
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BLACKBIRD_COPYRIGHT_OFF,
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BLACKBIRD_COPYRIGHT_ON,
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};
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enum blackbird_notification_type {
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BLACKBIRD_NOTIFICATION_REFRESH,
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};
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enum blackbird_notification_status {
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BLACKBIRD_NOTIFICATION_OFF,
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BLACKBIRD_NOTIFICATION_ON,
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};
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enum blackbird_notification_mailbox {
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BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
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};
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enum blackbird_field1_lines {
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BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
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BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
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BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
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};
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enum blackbird_field2_lines {
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BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
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BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
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BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
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};
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enum blackbird_custom_data_type {
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BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
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BLACKBIRD_CUSTOM_PRIVATE_PACKET,
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};
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enum blackbird_mute {
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BLACKBIRD_UNMUTE,
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BLACKBIRD_MUTE,
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};
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enum blackbird_mute_video_mask {
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BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
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BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
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BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
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};
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enum blackbird_mute_video_shift {
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BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
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BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
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BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
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};
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/* Registers */
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#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
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#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
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#define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
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#define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
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#define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
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#define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
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/* ------------------------------------------------------------------ */
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static void host_setup(struct cx88_core *core)
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{
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/* toggle reset of the host */
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cx_write(MO_GPHST_SOFT_RST, 1);
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udelay(100);
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cx_write(MO_GPHST_SOFT_RST, 0);
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udelay(100);
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/* host port setup */
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cx_write(MO_GPHST_WSC, 0x44444444U);
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cx_write(MO_GPHST_XFR, 0);
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cx_write(MO_GPHST_WDTH, 15);
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cx_write(MO_GPHST_HDSHK, 0);
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cx_write(MO_GPHST_MUX16, 0x44448888U);
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cx_write(MO_GPHST_MODE, 0);
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}
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/* ------------------------------------------------------------------ */
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#define P1_MDATA0 0x390000
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#define P1_MDATA1 0x390001
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#define P1_MDATA2 0x390002
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#define P1_MDATA3 0x390003
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#define P1_MADDR2 0x390004
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#define P1_MADDR1 0x390005
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#define P1_MADDR0 0x390006
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#define P1_RDATA0 0x390008
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#define P1_RDATA1 0x390009
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#define P1_RDATA2 0x39000A
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#define P1_RDATA3 0x39000B
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#define P1_RADDR0 0x39000C
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#define P1_RADDR1 0x39000D
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#define P1_RRDWR 0x39000E
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static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
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{
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unsigned long timeout = jiffies + msecs_to_jiffies(1);
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u32 gpio0,need;
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need = state ? 2 : 0;
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for (;;) {
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gpio0 = cx_read(MO_GP0_IO) & 2;
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if (need == gpio0)
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return 0;
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if (time_after(jiffies,timeout))
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return -1;
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udelay(1);
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}
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}
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static int memory_write(struct cx88_core *core, u32 address, u32 value)
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{
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/* Warning: address is dword address (4 bytes) */
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cx_writeb(P1_MDATA0, (unsigned int)value);
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cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
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cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
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cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
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cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
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cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
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cx_writeb(P1_MADDR0, (unsigned int)address);
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cx_read(P1_MDATA0);
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cx_read(P1_MADDR0);
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return wait_ready_gpio0_bit1(core,1);
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}
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static int memory_read(struct cx88_core *core, u32 address, u32 *value)
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{
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int retval;
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u32 val;
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/* Warning: address is dword address (4 bytes) */
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cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
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cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
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cx_writeb(P1_MADDR0, (unsigned int)address);
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cx_read(P1_MADDR0);
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retval = wait_ready_gpio0_bit1(core,1);
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cx_writeb(P1_MDATA3, 0);
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val = (unsigned char)cx_read(P1_MDATA3) << 24;
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cx_writeb(P1_MDATA2, 0);
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val |= (unsigned char)cx_read(P1_MDATA2) << 16;
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cx_writeb(P1_MDATA1, 0);
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val |= (unsigned char)cx_read(P1_MDATA1) << 8;
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cx_writeb(P1_MDATA0, 0);
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val |= (unsigned char)cx_read(P1_MDATA0);
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*value = val;
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return retval;
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}
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static int register_write(struct cx88_core *core, u32 address, u32 value)
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{
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cx_writeb(P1_RDATA0, (unsigned int)value);
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cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
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cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
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cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
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cx_writeb(P1_RADDR0, (unsigned int)address);
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cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
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cx_writeb(P1_RRDWR, 1);
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cx_read(P1_RDATA0);
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cx_read(P1_RADDR0);
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return wait_ready_gpio0_bit1(core,1);
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}
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static int register_read(struct cx88_core *core, u32 address, u32 *value)
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{
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int retval;
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u32 val;
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cx_writeb(P1_RADDR0, (unsigned int)address);
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cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
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cx_writeb(P1_RRDWR, 0);
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cx_read(P1_RADDR0);
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retval = wait_ready_gpio0_bit1(core,1);
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val = (unsigned char)cx_read(P1_RDATA0);
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val |= (unsigned char)cx_read(P1_RDATA1) << 8;
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val |= (unsigned char)cx_read(P1_RDATA2) << 16;
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val |= (unsigned char)cx_read(P1_RDATA3) << 24;
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*value = val;
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return retval;
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}
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/* ------------------------------------------------------------------ */
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static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
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{
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struct cx8802_dev *dev = priv;
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unsigned long timeout;
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u32 value, flag, retval;
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int i;
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dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
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/* this may not be 100% safe if we can't read any memory location
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without side effects */
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memory_read(dev->core, dev->mailbox - 4, &value);
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if (value != 0x12345678) {
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dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
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return -1;
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}
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memory_read(dev->core, dev->mailbox, &flag);
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if (flag) {
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dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
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return -1;
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}
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flag |= 1; /* tell 'em we're working on it */
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memory_write(dev->core, dev->mailbox, flag);
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/* write command + args + fill remaining with zeros */
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memory_write(dev->core, dev->mailbox + 1, command); /* command code */
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memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
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for (i = 0; i < in; i++) {
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memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
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dprintk(1, "API Input %d = %d\n", i, data[i]);
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}
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for (; i < CX2341X_MBOX_MAX_DATA; i++)
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memory_write(dev->core, dev->mailbox + 4 + i, 0);
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flag |= 3; /* tell 'em we're done writing */
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memory_write(dev->core, dev->mailbox, flag);
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/* wait for firmware to handle the API command */
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timeout = jiffies + msecs_to_jiffies(10);
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for (;;) {
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memory_read(dev->core, dev->mailbox, &flag);
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if (0 != (flag & 4))
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break;
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if (time_after(jiffies,timeout)) {
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dprintk(0, "ERROR: API Mailbox timeout\n");
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return -1;
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}
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udelay(10);
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}
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/* read output values */
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for (i = 0; i < out; i++) {
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memory_read(dev->core, dev->mailbox + 4 + i, data + i);
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dprintk(1, "API Output %d = %d\n", i, data[i]);
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}
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memory_read(dev->core, dev->mailbox + 2, &retval);
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dprintk(1, "API result = %d\n",retval);
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flag = 0;
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memory_write(dev->core, dev->mailbox, flag);
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return retval;
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}
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/* ------------------------------------------------------------------ */
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/* We don't need to call the API often, so using just one mailbox will probably suffice */
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static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
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u32 inputcnt, u32 outputcnt, ...)
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{
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u32 data[CX2341X_MBOX_MAX_DATA];
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|
va_list vargs;
|
|
int i, err;
|
|
|
|
va_start(vargs, outputcnt);
|
|
|
|
for (i = 0; i < inputcnt; i++) {
|
|
data[i] = va_arg(vargs, int);
|
|
}
|
|
err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
|
|
for (i = 0; i < outputcnt; i++) {
|
|
int *vptr = va_arg(vargs, int *);
|
|
*vptr = data[i];
|
|
}
|
|
va_end(vargs);
|
|
return err;
|
|
}
|
|
|
|
static int blackbird_find_mailbox(struct cx8802_dev *dev)
|
|
{
|
|
u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
|
|
int signaturecnt=0;
|
|
u32 value;
|
|
int i;
|
|
|
|
for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
|
|
memory_read(dev->core, i, &value);
|
|
if (value == signature[signaturecnt])
|
|
signaturecnt++;
|
|
else
|
|
signaturecnt = 0;
|
|
if (4 == signaturecnt) {
|
|
dprintk(1, "Mailbox signature found\n");
|
|
return i+1;
|
|
}
|
|
}
|
|
dprintk(0, "Mailbox signature values not found!\n");
|
|
return -1;
|
|
}
|
|
|
|
static int blackbird_load_firmware(struct cx8802_dev *dev)
|
|
{
|
|
static const unsigned char magic[8] = {
|
|
0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
|
|
};
|
|
const struct firmware *firmware;
|
|
int i, retval = 0;
|
|
u32 value = 0;
|
|
u32 checksum = 0;
|
|
u32 *dataptr;
|
|
|
|
retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
|
|
retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
|
|
retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
|
|
retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
|
|
msleep(1);
|
|
retval |= register_write(dev->core, IVTV_REG_APU, 0);
|
|
|
|
if (retval < 0)
|
|
dprintk(0, "Error with register_write\n");
|
|
|
|
retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
|
|
&dev->pci->dev);
|
|
|
|
|
|
if (retval != 0) {
|
|
dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
|
|
CX2341X_FIRM_ENC_FILENAME);
|
|
dprintk(0, "Please fix your hotplug setup, the board will "
|
|
"not work without firmware loaded!\n");
|
|
return -1;
|
|
}
|
|
|
|
if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
|
|
dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
|
|
firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
|
|
release_firmware(firmware);
|
|
return -1;
|
|
}
|
|
|
|
if (0 != memcmp(firmware->data, magic, 8)) {
|
|
dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
|
|
release_firmware(firmware);
|
|
return -1;
|
|
}
|
|
|
|
/* transfer to the chip */
|
|
dprintk(1,"Loading firmware ...\n");
|
|
dataptr = (u32*)firmware->data;
|
|
for (i = 0; i < (firmware->size >> 2); i++) {
|
|
value = *dataptr;
|
|
checksum += ~value;
|
|
memory_write(dev->core, i, value);
|
|
dataptr++;
|
|
}
|
|
|
|
/* read back to verify with the checksum */
|
|
for (i--; i >= 0; i--) {
|
|
memory_read(dev->core, i, &value);
|
|
checksum -= ~value;
|
|
}
|
|
if (checksum) {
|
|
dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
|
|
release_firmware(firmware);
|
|
return -1;
|
|
}
|
|
release_firmware(firmware);
|
|
dprintk(0, "Firmware upload successful.\n");
|
|
|
|
retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
|
|
retval |= register_read(dev->core, IVTV_REG_SPU, &value);
|
|
retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
|
|
msleep(1);
|
|
|
|
retval |= register_read(dev->core, IVTV_REG_VPU, &value);
|
|
retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
|
|
|
|
if (retval < 0)
|
|
dprintk(0, "Error with register_write\n");
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
Settings used by the windows tv app for PVR2000:
|
|
=================================================================================================================
|
|
Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
|
|
-----------------------------------------------------------------------------------------------------------------
|
|
MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
|
|
MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
|
|
VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
|
|
DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
|
|
DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
|
|
=================================================================================================================
|
|
*DB: "DirectBurn"
|
|
*/
|
|
|
|
static void blackbird_codec_settings(struct cx8802_dev *dev)
|
|
{
|
|
/* assign frame size */
|
|
blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
|
|
dev->height, dev->width);
|
|
|
|
dev->params.width = dev->width;
|
|
dev->params.height = dev->height;
|
|
dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
|
|
|
|
cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
|
|
}
|
|
|
|
static struct v4l2_mpeg_compression default_mpeg_params = {
|
|
.st_type = V4L2_MPEG_PS_2,
|
|
.st_bitrate = {
|
|
.mode = V4L2_BITRATE_CBR,
|
|
.min = 0,
|
|
.target = 0,
|
|
.max = 0
|
|
},
|
|
.ts_pid_pmt = 16,
|
|
.ts_pid_audio = 260,
|
|
.ts_pid_video = 256,
|
|
.ts_pid_pcr = 259,
|
|
.ps_size = 0,
|
|
.au_type = V4L2_MPEG_AU_2_II,
|
|
.au_bitrate = {
|
|
.mode = V4L2_BITRATE_CBR,
|
|
.min = 224,
|
|
.target = 224,
|
|
.max = 224
|
|
},
|
|
.au_sample_rate = 48000,
|
|
.au_pesid = 0,
|
|
.vi_type = V4L2_MPEG_VI_2,
|
|
.vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3,
|
|
.vi_bitrate = {
|
|
.mode = V4L2_BITRATE_CBR,
|
|
.min = 4000,
|
|
.target = 4500,
|
|
.max = 6000
|
|
},
|
|
.vi_frame_rate = 25,
|
|
.vi_frames_per_gop = 12,
|
|
.vi_bframes_count = 2,
|
|
.vi_pesid = 0,
|
|
.closed_gops = 1,
|
|
.pulldown = 0
|
|
};
|
|
|
|
static int blackbird_initialize_codec(struct cx8802_dev *dev)
|
|
{
|
|
struct cx88_core *core = dev->core;
|
|
int version;
|
|
int retval;
|
|
|
|
dprintk(1,"Initialize codec\n");
|
|
retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
|
|
if (retval < 0) {
|
|
/* ping was not successful, reset and upload firmware */
|
|
cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
|
|
msleep(1);
|
|
cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
|
|
msleep(1);
|
|
retval = blackbird_load_firmware(dev);
|
|
if (retval < 0)
|
|
return retval;
|
|
|
|
dev->mailbox = blackbird_find_mailbox(dev);
|
|
if (dev->mailbox < 0)
|
|
return -1;
|
|
|
|
retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
|
|
if (retval < 0) {
|
|
dprintk(0, "ERROR: Firmware ping failed!\n");
|
|
return -1;
|
|
}
|
|
|
|
retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
|
|
if (retval < 0) {
|
|
dprintk(0, "ERROR: Firmware get encoder version failed!\n");
|
|
return -1;
|
|
}
|
|
dprintk(0, "Firmware version is 0x%08x\n", version);
|
|
}
|
|
msleep(1);
|
|
|
|
cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
|
|
cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
|
|
cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
|
|
cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
|
|
|
|
blackbird_codec_settings(dev);
|
|
msleep(1);
|
|
|
|
/* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
|
|
blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
|
|
blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
|
|
blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
|
|
BLACKBIRD_FIELD1_SAA7115,
|
|
BLACKBIRD_FIELD2_SAA7115
|
|
);
|
|
|
|
/* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
|
|
blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
|
|
BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
|
|
|
|
/* initialize the video input */
|
|
blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
|
|
|
|
msleep(1);
|
|
|
|
blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
|
|
msleep(1);
|
|
blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
|
|
msleep(1);
|
|
|
|
/* start capturing to the host interface */
|
|
/* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */
|
|
blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
|
|
BLACKBIRD_MPEG_CAPTURE,
|
|
BLACKBIRD_RAW_BITS_NONE
|
|
);
|
|
msleep(10);
|
|
|
|
blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0);
|
|
return 0;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
|
|
static int bb_buf_setup(struct videobuf_queue *q,
|
|
unsigned int *count, unsigned int *size)
|
|
{
|
|
struct cx8802_fh *fh = q->priv_data;
|
|
|
|
fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
|
|
fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
|
|
|
|
*size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
|
|
*count = fh->dev->ts_packet_count;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
|
|
enum v4l2_field field)
|
|
{
|
|
struct cx8802_fh *fh = q->priv_data;
|
|
return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
|
|
}
|
|
|
|
static void
|
|
bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
|
|
{
|
|
struct cx8802_fh *fh = q->priv_data;
|
|
cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
|
|
}
|
|
|
|
static void
|
|
bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
|
|
{
|
|
cx88_free_buffer(q, (struct cx88_buffer*)vb);
|
|
}
|
|
|
|
static struct videobuf_queue_ops blackbird_qops = {
|
|
.buf_setup = bb_buf_setup,
|
|
.buf_prepare = bb_buf_prepare,
|
|
.buf_queue = bb_buf_queue,
|
|
.buf_release = bb_buf_release,
|
|
};
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
|
|
static const u32 *ctrl_classes[] = {
|
|
cx88_user_ctrls,
|
|
cx2341x_mpeg_ctrls,
|
|
NULL
|
|
};
|
|
|
|
static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
|
|
{
|
|
qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
|
|
if (qctrl->id == 0)
|
|
return -EINVAL;
|
|
|
|
/* Standard V4L2 controls */
|
|
if (cx8800_ctrl_query(qctrl) == 0)
|
|
return 0;
|
|
|
|
/* MPEG V4L2 controls */
|
|
if (cx2341x_ctrl_query(&dev->params, qctrl))
|
|
qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
|
|
return 0;
|
|
}
|
|
|
|
static int blackbird_querymenu(struct cx8802_dev *dev, struct v4l2_querymenu *qmenu)
|
|
{
|
|
struct v4l2_queryctrl qctrl;
|
|
|
|
qctrl.id = qmenu->id;
|
|
blackbird_queryctrl(dev, &qctrl);
|
|
return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
|
|
}
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
|
|
static int mpeg_do_ioctl(struct inode *inode, struct file *file,
|
|
unsigned int cmd, void *arg)
|
|
{
|
|
struct cx8802_fh *fh = file->private_data;
|
|
struct cx8802_dev *dev = fh->dev;
|
|
struct cx88_core *core = dev->core;
|
|
|
|
if (debug > 1)
|
|
v4l_print_ioctl(core->name,cmd);
|
|
|
|
switch (cmd) {
|
|
|
|
/* --- capabilities ------------------------------------------ */
|
|
case VIDIOC_QUERYCAP:
|
|
{
|
|
struct v4l2_capability *cap = arg;
|
|
|
|
memset(cap,0,sizeof(*cap));
|
|
strcpy(cap->driver, "cx88_blackbird");
|
|
strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card));
|
|
sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
|
|
cap->version = CX88_VERSION_CODE;
|
|
cap->capabilities =
|
|
V4L2_CAP_VIDEO_CAPTURE |
|
|
V4L2_CAP_READWRITE |
|
|
V4L2_CAP_STREAMING;
|
|
if (UNSET != core->tuner_type)
|
|
cap->capabilities |= V4L2_CAP_TUNER;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* --- capture ioctls ---------------------------------------- */
|
|
case VIDIOC_ENUM_FMT:
|
|
{
|
|
struct v4l2_fmtdesc *f = arg;
|
|
int index;
|
|
|
|
index = f->index;
|
|
if (index != 0)
|
|
return -EINVAL;
|
|
|
|
memset(f,0,sizeof(*f));
|
|
f->index = index;
|
|
strlcpy(f->description, "MPEG", sizeof(f->description));
|
|
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
f->pixelformat = V4L2_PIX_FMT_MPEG;
|
|
return 0;
|
|
}
|
|
case VIDIOC_G_FMT:
|
|
{
|
|
struct v4l2_format *f = arg;
|
|
|
|
memset(f,0,sizeof(*f));
|
|
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
|
|
f->fmt.pix.bytesperline = 0;
|
|
f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
|
|
f->fmt.pix.colorspace = 0;
|
|
f->fmt.pix.width = dev->width;
|
|
f->fmt.pix.height = dev->height;
|
|
f->fmt.pix.field = fh->mpegq.field;
|
|
dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
|
|
dev->width, dev->height, fh->mpegq.field );
|
|
return 0;
|
|
}
|
|
case VIDIOC_TRY_FMT:
|
|
{
|
|
struct v4l2_format *f = arg;
|
|
|
|
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
|
|
f->fmt.pix.bytesperline = 0;
|
|
f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
|
|
f->fmt.pix.colorspace = 0;
|
|
dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
|
|
dev->width, dev->height, fh->mpegq.field );
|
|
return 0;
|
|
}
|
|
case VIDIOC_S_FMT:
|
|
{
|
|
struct v4l2_format *f = arg;
|
|
|
|
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
|
|
f->fmt.pix.bytesperline = 0;
|
|
f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
|
|
f->fmt.pix.colorspace = 0;
|
|
dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
|
|
f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
|
|
return 0;
|
|
}
|
|
|
|
/* --- streaming capture ------------------------------------- */
|
|
case VIDIOC_REQBUFS:
|
|
return videobuf_reqbufs(&fh->mpegq, arg);
|
|
|
|
case VIDIOC_QUERYBUF:
|
|
return videobuf_querybuf(&fh->mpegq, arg);
|
|
|
|
case VIDIOC_QBUF:
|
|
return videobuf_qbuf(&fh->mpegq, arg);
|
|
|
|
case VIDIOC_DQBUF:
|
|
return videobuf_dqbuf(&fh->mpegq, arg,
|
|
file->f_flags & O_NONBLOCK);
|
|
|
|
case VIDIOC_STREAMON:
|
|
return videobuf_streamon(&fh->mpegq);
|
|
|
|
case VIDIOC_STREAMOFF:
|
|
return videobuf_streamoff(&fh->mpegq);
|
|
|
|
/* --- mpeg compression -------------------------------------- */
|
|
case VIDIOC_G_MPEGCOMP:
|
|
{
|
|
struct v4l2_mpeg_compression *f = arg;
|
|
|
|
printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. "
|
|
"Replace with VIDIOC_G_EXT_CTRLS!");
|
|
memcpy(f,&default_mpeg_params,sizeof(*f));
|
|
return 0;
|
|
}
|
|
case VIDIOC_S_MPEGCOMP:
|
|
printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. "
|
|
"Replace with VIDIOC_S_EXT_CTRLS!");
|
|
return 0;
|
|
case VIDIOC_G_EXT_CTRLS:
|
|
{
|
|
struct v4l2_ext_controls *f = arg;
|
|
|
|
if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
|
|
return -EINVAL;
|
|
return cx2341x_ext_ctrls(&dev->params, f, cmd);
|
|
}
|
|
case VIDIOC_S_EXT_CTRLS:
|
|
{
|
|
struct v4l2_ext_controls *f = arg;
|
|
struct cx2341x_mpeg_params p;
|
|
int err;
|
|
|
|
if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
|
|
return -EINVAL;
|
|
p = dev->params;
|
|
err = cx2341x_ext_ctrls(&p, VIDIOC_S_EXT_CTRLS, cmd);
|
|
if (err == 0 && cmd == VIDIOC_S_EXT_CTRLS) {
|
|
err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
|
|
dev->params = p;
|
|
}
|
|
return err;
|
|
}
|
|
case VIDIOC_TRY_EXT_CTRLS:
|
|
{
|
|
struct v4l2_ext_controls *f = arg;
|
|
struct cx2341x_mpeg_params p;
|
|
int err;
|
|
|
|
if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
|
|
return -EINVAL;
|
|
p = dev->params;
|
|
err = cx2341x_ext_ctrls(&p, VIDIOC_TRY_EXT_CTRLS, cmd);
|
|
return err;
|
|
}
|
|
case VIDIOC_S_FREQUENCY:
|
|
{
|
|
struct v4l2_frequency *f = arg;
|
|
|
|
blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
|
|
BLACKBIRD_END_NOW,
|
|
BLACKBIRD_MPEG_CAPTURE,
|
|
BLACKBIRD_RAW_BITS_NONE);
|
|
|
|
cx88_set_freq (core,f);
|
|
|
|
blackbird_initialize_codec(dev);
|
|
cx88_set_scale(dev->core, dev->width, dev->height,
|
|
fh->mpegq.field);
|
|
return 0;
|
|
}
|
|
case VIDIOC_LOG_STATUS:
|
|
{
|
|
char name[32 + 2];
|
|
|
|
snprintf(name, sizeof(name), "%s/2", core->name);
|
|
printk("%s/2: ============ START LOG STATUS ============\n",
|
|
core->name);
|
|
cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
|
|
cx2341x_log_status(&dev->params, name);
|
|
printk("%s/2: ============= END LOG STATUS =============\n",
|
|
core->name);
|
|
return 0;
|
|
}
|
|
case VIDIOC_QUERYMENU:
|
|
return blackbird_querymenu(dev, arg);
|
|
case VIDIOC_QUERYCTRL:
|
|
{
|
|
struct v4l2_queryctrl *qctrl = arg;
|
|
|
|
if (blackbird_queryctrl(dev, qctrl) == 0)
|
|
return 0;
|
|
|
|
struct v4l2_queryctrl *qctrl = arg;
|
|
|
|
qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
|
|
if (unlikely(qctrl->id == 0))
|
|
return -EINVAL;
|
|
return cx8800_ctrl_query(qctrl);
|
|
}
|
|
|
|
default:
|
|
return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
|
|
struct cx88_core *core, unsigned int cmd, void *arg, v4l2_kioctl driver_ioctl)
|
|
{
|
|
int err;
|
|
|
|
if (debug) {
|
|
if (debug > 1) {
|
|
if (_IOC_DIR(cmd) & _IOC_WRITE)
|
|
v4l_printk_ioctl_arg("cx88(w)",cmd, arg);
|
|
else if (!_IOC_DIR(cmd) & _IOC_READ) {
|
|
v4l_print_ioctl("cx88", cmd);
|
|
}
|
|
} else
|
|
v4l_print_ioctl(core->name,cmd);
|
|
|
|
}
|
|
|
|
switch (cmd) {
|
|
/* ------ input switching ---------- */
|
|
case VIDIOC_ENUMINPUT:
|
|
{
|
|
static const char *iname[] = {
|
|
[ CX88_VMUX_COMPOSITE1 ] = "Composite1",
|
|
[ CX88_VMUX_COMPOSITE2 ] = "Composite2",
|
|
[ CX88_VMUX_COMPOSITE3 ] = "Composite3",
|
|
[ CX88_VMUX_COMPOSITE4 ] = "Composite4",
|
|
[ CX88_VMUX_SVIDEO ] = "S-Video",
|
|
[ CX88_VMUX_TELEVISION ] = "Television",
|
|
[ CX88_VMUX_CABLE ] = "Cable TV",
|
|
[ CX88_VMUX_DVB ] = "DVB",
|
|
[ CX88_VMUX_DEBUG ] = "for debug only",
|
|
};
|
|
struct v4l2_input *i = arg;
|
|
unsigned int n;
|
|
|
|
n = i->index;
|
|
if (n >= 4)
|
|
return -EINVAL;
|
|
if (0 == INPUT(n)->type)
|
|
return -EINVAL;
|
|
memset(i,0,sizeof(*i));
|
|
i->index = n;
|
|
i->type = V4L2_INPUT_TYPE_CAMERA;
|
|
strcpy(i->name,iname[INPUT(n)->type]);
|
|
if ((CX88_VMUX_TELEVISION == INPUT(n)->type) ||
|
|
(CX88_VMUX_CABLE == INPUT(n)->type))
|
|
i->type = V4L2_INPUT_TYPE_TUNER;
|
|
for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
|
|
i->std |= tvnorms[n].id;
|
|
return 0;
|
|
}
|
|
case VIDIOC_G_CTRL:
|
|
return cx88_get_control(core,arg);
|
|
case VIDIOC_S_CTRL:
|
|
return cx88_set_control(core,arg);
|
|
|
|
case VIDIOC_G_FREQUENCY:
|
|
{
|
|
struct v4l2_frequency *f = arg;
|
|
|
|
memset(f,0,sizeof(*f));
|
|
|
|
if (UNSET == core->tuner_type)
|
|
return -EINVAL;
|
|
|
|
/* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
|
|
f->type = radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
|
|
f->frequency = core->freq;
|
|
|
|
cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
|
|
|
|
return 0;
|
|
}
|
|
case VIDIOC_G_INPUT:
|
|
{
|
|
unsigned int *i = arg;
|
|
|
|
*i = core->input;
|
|
return 0;
|
|
}
|
|
case VIDIOC_S_INPUT:
|
|
{
|
|
unsigned int *i = arg;
|
|
|
|
if (*i >= 4)
|
|
return -EINVAL;
|
|
mutex_lock(&core->lock);
|
|
cx88_newstation(core);
|
|
cx88_video_mux(core,*i);
|
|
mutex_unlock(&core->lock);
|
|
return 0;
|
|
}
|
|
|
|
|
|
case VIDIOC_G_TUNER:
|
|
{
|
|
struct v4l2_tuner *t = arg;
|
|
u32 reg;
|
|
|
|
if (UNSET == core->tuner_type)
|
|
return -EINVAL;
|
|
if (0 != t->index)
|
|
return -EINVAL;
|
|
|
|
memset(t,0,sizeof(*t));
|
|
strcpy(t->name, "Television");
|
|
t->type = V4L2_TUNER_ANALOG_TV;
|
|
t->capability = V4L2_TUNER_CAP_NORM;
|
|
t->rangehigh = 0xffffffffUL;
|
|
|
|
cx88_get_stereo(core ,t);
|
|
reg = cx_read(MO_DEVICE_STATUS);
|
|
t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
|
|
return 0;
|
|
}
|
|
case VIDIOC_S_TUNER:
|
|
{
|
|
struct v4l2_tuner *t = arg;
|
|
|
|
if (UNSET == core->tuner_type)
|
|
return -EINVAL;
|
|
if (0 != t->index)
|
|
return -EINVAL;
|
|
cx88_set_stereo(core, t->audmode, 1);
|
|
return 0;
|
|
}
|
|
/* ---------- tv norms ---------- */
|
|
case VIDIOC_S_STD:
|
|
{
|
|
v4l2_std_id *id = arg;
|
|
unsigned int i;
|
|
|
|
for(i = 0; i < ARRAY_SIZE(tvnorms); i++)
|
|
if (*id & tvnorms[i].id)
|
|
break;
|
|
if (i == ARRAY_SIZE(tvnorms))
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&core->lock);
|
|
cx88_set_tvnorm(core,tvnorms[i].id);
|
|
mutex_unlock(&core->lock);
|
|
return 0;
|
|
}
|
|
case VIDIOC_ENUMSTD:
|
|
{
|
|
struct v4l2_standard *e = arg;
|
|
unsigned int i;
|
|
|
|
i = e->index;
|
|
if (i >= ARRAY_SIZE(tvnorms))
|
|
return -EINVAL;
|
|
err = v4l2_video_std_construct(e, tvnorms[e->index].id,
|
|
tvnorms[e->index].name);
|
|
e->index = i;
|
|
if (err < 0)
|
|
return err;
|
|
return 0;
|
|
}
|
|
case VIDIOC_G_STD:
|
|
{
|
|
v4l2_std_id *id = arg;
|
|
|
|
*id = core->tvnorm;
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
|
/* ioctls to allow direct acces to the cx2388x registers */
|
|
case VIDIOC_INT_G_REGISTER:
|
|
{
|
|
struct v4l2_register *reg = arg;
|
|
|
|
if (reg->i2c_id != 0)
|
|
return -EINVAL;
|
|
/* cx2388x has a 24-bit register space */
|
|
reg->val = cx_read(reg->reg&0xffffff);
|
|
return 0;
|
|
}
|
|
case VIDIOC_INT_S_REGISTER:
|
|
{
|
|
struct v4l2_register *reg = arg;
|
|
|
|
if (reg->i2c_id != 0)
|
|
return -EINVAL;
|
|
if (!capable(CAP_SYS_ADMIN))
|
|
return -EPERM;
|
|
cx_write(reg->reg&0xffffff, reg->val);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
default:
|
|
return v4l_compat_translate_ioctl(inode,file,cmd,arg,
|
|
driver_ioctl);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int (*cx88_ioctl_hook)(struct inode *inode, struct file *file,
|
|
unsigned int cmd, void *arg);
|
|
unsigned int (*cx88_ioctl_translator)(unsigned int cmd);
|
|
|
|
static unsigned int mpeg_translate_ioctl(unsigned int cmd)
|
|
{
|
|
return cmd;
|
|
}
|
|
|
|
static int mpeg_ioctl(struct inode *inode, struct file *file,
|
|
unsigned int cmd, unsigned long arg)
|
|
{
|
|
cmd = cx88_ioctl_translator( cmd );
|
|
return video_usercopy(inode, file, cmd, arg, cx88_ioctl_hook);
|
|
}
|
|
|
|
static int mpeg_open(struct inode *inode, struct file *file)
|
|
{
|
|
int minor = iminor(inode);
|
|
struct cx8802_dev *dev = NULL;
|
|
struct cx8802_fh *fh;
|
|
struct cx8802_driver *drv = NULL;
|
|
int err;
|
|
|
|
dev = cx8802_get_device(inode);
|
|
|
|
dprintk( 1, "%s\n", __FUNCTION__);
|
|
|
|
if (dev == NULL)
|
|
return -ENODEV;
|
|
|
|
/* Make sure we can acquire the hardware */
|
|
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
|
|
if (drv) {
|
|
err = drv->request_acquire(drv);
|
|
if(err != 0) {
|
|
dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err);
|
|
return err;
|
|
}
|
|
}
|
|
|
|
if (blackbird_initialize_codec(dev) < 0) {
|
|
if (drv)
|
|
drv->request_release(drv);
|
|
return -EINVAL;
|
|
}
|
|
dprintk(1,"open minor=%d\n",minor);
|
|
|
|
/* allocate + initialize per filehandle data */
|
|
fh = kzalloc(sizeof(*fh),GFP_KERNEL);
|
|
if (NULL == fh) {
|
|
if (drv)
|
|
drv->request_release(drv);
|
|
return -ENOMEM;
|
|
}
|
|
file->private_data = fh;
|
|
fh->dev = dev;
|
|
|
|
videobuf_queue_init(&fh->mpegq, &blackbird_qops,
|
|
dev->pci, &dev->slock,
|
|
V4L2_BUF_TYPE_VIDEO_CAPTURE,
|
|
V4L2_FIELD_INTERLACED,
|
|
sizeof(struct cx88_buffer),
|
|
fh);
|
|
|
|
/* FIXME: locking against other video device */
|
|
cx88_set_scale(dev->core, dev->width, dev->height,
|
|
fh->mpegq.field);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mpeg_release(struct inode *inode, struct file *file)
|
|
{
|
|
struct cx8802_fh *fh = file->private_data;
|
|
struct cx8802_dev *dev = NULL;
|
|
struct cx8802_driver *drv = NULL;
|
|
|
|
/* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
|
|
blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
|
|
BLACKBIRD_END_NOW,
|
|
BLACKBIRD_MPEG_CAPTURE,
|
|
BLACKBIRD_RAW_BITS_NONE
|
|
);
|
|
|
|
cx8802_cancel_buffers(fh->dev);
|
|
/* stop mpeg capture */
|
|
if (fh->mpegq.streaming)
|
|
videobuf_streamoff(&fh->mpegq);
|
|
if (fh->mpegq.reading)
|
|
videobuf_read_stop(&fh->mpegq);
|
|
|
|
videobuf_mmap_free(&fh->mpegq);
|
|
file->private_data = NULL;
|
|
kfree(fh);
|
|
|
|
/* Make sure we release the hardware */
|
|
dev = cx8802_get_device(inode);
|
|
if (dev == NULL)
|
|
return -ENODEV;
|
|
|
|
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
|
|
if (drv)
|
|
drv->request_release(drv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t
|
|
mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
|
|
{
|
|
struct cx8802_fh *fh = file->private_data;
|
|
|
|
return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
|
|
file->f_flags & O_NONBLOCK);
|
|
}
|
|
|
|
static unsigned int
|
|
mpeg_poll(struct file *file, struct poll_table_struct *wait)
|
|
{
|
|
struct cx8802_fh *fh = file->private_data;
|
|
|
|
return videobuf_poll_stream(file, &fh->mpegq, wait);
|
|
}
|
|
|
|
static int
|
|
mpeg_mmap(struct file *file, struct vm_area_struct * vma)
|
|
{
|
|
struct cx8802_fh *fh = file->private_data;
|
|
|
|
return videobuf_mmap_mapper(&fh->mpegq, vma);
|
|
}
|
|
|
|
static const struct file_operations mpeg_fops =
|
|
{
|
|
.owner = THIS_MODULE,
|
|
.open = mpeg_open,
|
|
.release = mpeg_release,
|
|
.read = mpeg_read,
|
|
.poll = mpeg_poll,
|
|
.mmap = mpeg_mmap,
|
|
.ioctl = mpeg_ioctl,
|
|
.llseek = no_llseek,
|
|
};
|
|
|
|
static struct video_device cx8802_mpeg_template =
|
|
{
|
|
.name = "cx8802",
|
|
.type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
|
|
.hardware = 0,
|
|
.fops = &mpeg_fops,
|
|
.minor = -1,
|
|
};
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
|
|
/* The CX8802 MPEG API will call this when we can use the hardware */
|
|
static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
|
|
{
|
|
struct cx88_core *core = drv->core;
|
|
int err = 0;
|
|
|
|
switch (core->board) {
|
|
case CX88_BOARD_HAUPPAUGE_HVR1300:
|
|
/* By default, core setup will leave the cx22702 out of reset, on the bus.
|
|
* We left the hardware on power up with the cx22702 active.
|
|
* We're being given access to re-arrange the GPIOs.
|
|
* Take the bus off the cx22702 and put the cx23416 on it.
|
|
*/
|
|
cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
|
|
cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */
|
|
break;
|
|
default:
|
|
err = -ENODEV;
|
|
}
|
|
return err;
|
|
}
|
|
|
|
/* The CX8802 MPEG API will call this when we need to release the hardware */
|
|
static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
|
|
{
|
|
struct cx88_core *core = drv->core;
|
|
int err = 0;
|
|
|
|
switch (core->board) {
|
|
case CX88_BOARD_HAUPPAUGE_HVR1300:
|
|
/* Exit leaving the cx23416 on the bus */
|
|
break;
|
|
default:
|
|
err = -ENODEV;
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static void blackbird_unregister_video(struct cx8802_dev *dev)
|
|
{
|
|
if (dev->mpeg_dev) {
|
|
if (-1 != dev->mpeg_dev->minor)
|
|
video_unregister_device(dev->mpeg_dev);
|
|
else
|
|
video_device_release(dev->mpeg_dev);
|
|
dev->mpeg_dev = NULL;
|
|
}
|
|
}
|
|
|
|
static int blackbird_register_video(struct cx8802_dev *dev)
|
|
{
|
|
int err;
|
|
|
|
dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
|
|
&cx8802_mpeg_template,"mpeg");
|
|
err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
|
|
if (err < 0) {
|
|
printk(KERN_INFO "%s/2: can't register mpeg device\n",
|
|
dev->core->name);
|
|
return err;
|
|
}
|
|
printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
|
|
dev->core->name,dev->mpeg_dev->minor & 0x1f);
|
|
return 0;
|
|
}
|
|
|
|
/* ----------------------------------------------------------- */
|
|
|
|
static int cx8802_blackbird_probe(struct cx8802_driver *drv)
|
|
{
|
|
struct cx88_core *core = drv->core;
|
|
struct cx8802_dev *dev = core->dvbdev;
|
|
int err;
|
|
|
|
dprintk( 1, "%s\n", __FUNCTION__);
|
|
dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
|
|
core->board,
|
|
core->name,
|
|
core->pci_bus,
|
|
core->pci_slot);
|
|
|
|
err = -ENODEV;
|
|
if (!(cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD))
|
|
goto fail_core;
|
|
|
|
dev->width = 720;
|
|
dev->height = 576;
|
|
cx2341x_fill_defaults(&dev->params);
|
|
dev->params.port = CX2341X_PORT_STREAMING;
|
|
|
|
if (core->tvnorm & V4L2_STD_525_60) {
|
|
dev->height = 480;
|
|
} else {
|
|
dev->height = 576;
|
|
}
|
|
|
|
/* blackbird stuff */
|
|
printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
|
|
core->name);
|
|
host_setup(dev->core);
|
|
|
|
blackbird_register_video(dev);
|
|
|
|
/* initial device configuration: needed ? */
|
|
|
|
return 0;
|
|
|
|
fail_core:
|
|
return err;
|
|
}
|
|
|
|
static int cx8802_blackbird_remove(struct cx8802_driver *drv)
|
|
{
|
|
/* blackbird */
|
|
blackbird_unregister_video(drv->core->dvbdev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct cx8802_driver cx8802_blackbird_driver = {
|
|
.type_id = CX88_MPEG_BLACKBIRD,
|
|
.hw_access = CX8802_DRVCTL_SHARED,
|
|
.probe = cx8802_blackbird_probe,
|
|
.remove = cx8802_blackbird_remove,
|
|
.advise_acquire = cx8802_blackbird_advise_acquire,
|
|
.advise_release = cx8802_blackbird_advise_release,
|
|
};
|
|
|
|
static int blackbird_init(void)
|
|
{
|
|
printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
|
|
(CX88_VERSION_CODE >> 16) & 0xff,
|
|
(CX88_VERSION_CODE >> 8) & 0xff,
|
|
CX88_VERSION_CODE & 0xff);
|
|
#ifdef SNAPSHOT
|
|
printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
|
|
SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
|
|
#endif
|
|
cx88_ioctl_hook = mpeg_do_ioctl;
|
|
cx88_ioctl_translator = mpeg_translate_ioctl;
|
|
return cx8802_register_driver(&cx8802_blackbird_driver);
|
|
}
|
|
|
|
static void blackbird_fini(void)
|
|
{
|
|
cx8802_unregister_driver(&cx8802_blackbird_driver);
|
|
}
|
|
|
|
module_init(blackbird_init);
|
|
module_exit(blackbird_fini);
|
|
|
|
EXPORT_SYMBOL(cx88_ioctl_hook);
|
|
EXPORT_SYMBOL(cx88_ioctl_translator);
|
|
|
|
/* ----------------------------------------------------------- */
|
|
/*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* End:
|
|
* kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
|
|
*/
|