1254 lines
34 KiB
C
1254 lines
34 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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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.us>
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* (c) 2004 Gerd Knorr <kraxel@bytesex.org>
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*
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* (c) 2005-2006 Mauro Carvalho Chehab <mchehab@kernel.org>
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* - video_ioctl2 conversion
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*
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* Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/>
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*/
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#include "cx88.h"
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/slab.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/v4l2-ioctl.h>
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#include <media/v4l2-event.h>
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#include <media/drv-intf/cx2341x.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.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
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MODULE_LICENSE("GPL v2");
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MODULE_VERSION(CX88_VERSION);
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static unsigned int debug;
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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...) do { \
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if (debug + 1 > level) \
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printk(KERN_DEBUG pr_fmt("%s: blackbird:" fmt), \
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__func__, ##arg); \
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} while (0)
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/* ------------------------------------------------------------------ */
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#define BLACKBIRD_FIRM_IMAGE_SIZE 376836
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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, u32 command, int in,
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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", __func__, command);
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/*
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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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*/
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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,
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"Firmware and/or mailbox pointer not initialized or corrupted\n");
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return -EIO;
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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 -EIO;
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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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/* timeout */
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memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_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(1000);
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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 %x\n", command);
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return -EIO;
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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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/*
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* We don't need to call the API often, so using just one mailbox
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* will probably suffice
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*/
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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;
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int i, err;
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va_start(vargs, outputcnt);
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for (i = 0; i < inputcnt; i++)
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data[i] = va_arg(vargs, int);
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err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
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for (i = 0; i < outputcnt; i++) {
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int *vptr = va_arg(vargs, int *);
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*vptr = data[i];
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}
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va_end(vargs);
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return err;
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}
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static int blackbird_find_mailbox(struct cx8802_dev *dev)
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{
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u32 signature[4] = {0x12345678, 0x34567812, 0x56781234, 0x78123456};
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int signaturecnt = 0;
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u32 value;
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int i;
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for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
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memory_read(dev->core, i, &value);
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if (value == signature[signaturecnt])
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signaturecnt++;
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else
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signaturecnt = 0;
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if (signaturecnt == 4) {
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dprintk(1, "Mailbox signature found\n");
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return i + 1;
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}
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}
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dprintk(0, "Mailbox signature values not found!\n");
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return -EIO;
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}
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static int blackbird_load_firmware(struct cx8802_dev *dev)
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{
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static const unsigned char magic[8] = {
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0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
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};
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const struct firmware *firmware;
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int i, retval = 0;
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u32 value = 0;
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u32 checksum = 0;
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__le32 *dataptr;
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retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
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retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS,
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IVTV_CMD_HW_BLOCKS_RST);
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retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH,
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0x80000640);
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retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE,
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0x1A);
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usleep_range(10000, 20000);
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retval |= register_write(dev->core, IVTV_REG_APU, 0);
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if (retval < 0)
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dprintk(0, "Error with register_write\n");
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retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
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&dev->pci->dev);
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if (retval != 0) {
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pr_err("Hotplug firmware request failed (%s).\n",
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CX2341X_FIRM_ENC_FILENAME);
|
|
pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n");
|
|
return -EIO;
|
|
}
|
|
|
|
if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
|
|
pr_err("Firmware size mismatch (have %zd, expected %d)\n",
|
|
firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
|
|
release_firmware(firmware);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (memcmp(firmware->data, magic, 8) != 0) {
|
|
pr_err("Firmware magic mismatch, wrong file?\n");
|
|
release_firmware(firmware);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* transfer to the chip */
|
|
dprintk(1, "Loading firmware ...\n");
|
|
dataptr = (__le32 *)firmware->data;
|
|
for (i = 0; i < (firmware->size >> 2); i++) {
|
|
value = le32_to_cpu(*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;
|
|
}
|
|
release_firmware(firmware);
|
|
if (checksum) {
|
|
pr_err("Firmware load might have failed (checksum mismatch).\n");
|
|
return -EIO;
|
|
}
|
|
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);
|
|
usleep_range(10000, 20000);
|
|
|
|
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)
|
|
{
|
|
struct cx88_core *core = dev->core;
|
|
|
|
/* assign frame size */
|
|
blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
|
|
core->height, core->width);
|
|
|
|
dev->cxhdl.width = core->width;
|
|
dev->cxhdl.height = core->height;
|
|
cx2341x_handler_set_50hz(&dev->cxhdl,
|
|
dev->core->tvnorm & V4L2_STD_625_50);
|
|
cx2341x_handler_setup(&dev->cxhdl);
|
|
}
|
|
|
|
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 */
|
|
cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
|
|
retval = blackbird_load_firmware(dev);
|
|
if (retval < 0)
|
|
return retval;
|
|
|
|
retval = blackbird_find_mailbox(dev);
|
|
if (retval < 0)
|
|
return -1;
|
|
|
|
dev->mailbox = retval;
|
|
|
|
/* ping */
|
|
retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
|
|
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);
|
|
}
|
|
|
|
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);
|
|
|
|
blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
|
|
BLACKBIRD_FIELD1_SAA7115, BLACKBIRD_FIELD2_SAA7115);
|
|
|
|
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);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int blackbird_start_codec(struct cx8802_dev *dev)
|
|
{
|
|
struct cx88_core *core = dev->core;
|
|
/* start capturing to the host interface */
|
|
u32 reg;
|
|
|
|
int i;
|
|
int lastchange = -1;
|
|
int lastval = 0;
|
|
|
|
for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
|
|
reg = cx_read(AUD_STATUS);
|
|
|
|
dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
|
|
if ((reg & 0x0F) != lastval) {
|
|
lastval = reg & 0x0F;
|
|
lastchange = i;
|
|
}
|
|
msleep(100);
|
|
}
|
|
|
|
/* unmute audio source */
|
|
cx_clear(AUD_VOL_CTL, (1 << 6));
|
|
|
|
blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
|
|
|
|
/* initialize the video input */
|
|
blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
|
|
|
|
cx2341x_handler_set_busy(&dev->cxhdl, 1);
|
|
|
|
/* start capturing to the host interface */
|
|
blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
|
|
BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int blackbird_stop_codec(struct cx8802_dev *dev)
|
|
{
|
|
blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
|
|
BLACKBIRD_END_NOW,
|
|
BLACKBIRD_MPEG_CAPTURE,
|
|
BLACKBIRD_RAW_BITS_NONE);
|
|
|
|
cx2341x_handler_set_busy(&dev->cxhdl, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
|
|
static int queue_setup(struct vb2_queue *q,
|
|
unsigned int *num_buffers, unsigned int *num_planes,
|
|
unsigned int sizes[], struct device *alloc_devs[])
|
|
{
|
|
struct cx8802_dev *dev = q->drv_priv;
|
|
|
|
*num_planes = 1;
|
|
dev->ts_packet_size = 188 * 4;
|
|
dev->ts_packet_count = 32;
|
|
sizes[0] = dev->ts_packet_size * dev->ts_packet_count;
|
|
return 0;
|
|
}
|
|
|
|
static int buffer_prepare(struct vb2_buffer *vb)
|
|
{
|
|
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
|
|
struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
|
|
struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
|
|
|
|
return cx8802_buf_prepare(vb->vb2_queue, dev, buf);
|
|
}
|
|
|
|
static void buffer_finish(struct vb2_buffer *vb)
|
|
{
|
|
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
|
|
struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
|
|
struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
|
|
struct cx88_riscmem *risc = &buf->risc;
|
|
|
|
if (risc->cpu)
|
|
pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
|
|
memset(risc, 0, sizeof(*risc));
|
|
}
|
|
|
|
static void buffer_queue(struct vb2_buffer *vb)
|
|
{
|
|
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
|
|
struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
|
|
struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
|
|
|
|
cx8802_buf_queue(dev, buf);
|
|
}
|
|
|
|
static int start_streaming(struct vb2_queue *q, unsigned int count)
|
|
{
|
|
struct cx8802_dev *dev = q->drv_priv;
|
|
struct cx88_dmaqueue *dmaq = &dev->mpegq;
|
|
struct cx8802_driver *drv;
|
|
struct cx88_buffer *buf;
|
|
unsigned long flags;
|
|
int err;
|
|
|
|
/* Make sure we can acquire the hardware */
|
|
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
|
|
if (!drv) {
|
|
dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
|
|
err = -ENODEV;
|
|
goto fail;
|
|
}
|
|
|
|
err = drv->request_acquire(drv);
|
|
if (err != 0) {
|
|
dprintk(1, "%s: Unable to acquire hardware, %d\n", __func__,
|
|
err);
|
|
goto fail;
|
|
}
|
|
|
|
if (blackbird_initialize_codec(dev) < 0) {
|
|
drv->request_release(drv);
|
|
err = -EINVAL;
|
|
goto fail;
|
|
}
|
|
|
|
err = blackbird_start_codec(dev);
|
|
if (err == 0) {
|
|
buf = list_entry(dmaq->active.next, struct cx88_buffer, list);
|
|
cx8802_start_dma(dev, dmaq, buf);
|
|
return 0;
|
|
}
|
|
|
|
fail:
|
|
spin_lock_irqsave(&dev->slock, flags);
|
|
while (!list_empty(&dmaq->active)) {
|
|
struct cx88_buffer *buf = list_entry(dmaq->active.next,
|
|
struct cx88_buffer, list);
|
|
|
|
list_del(&buf->list);
|
|
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED);
|
|
}
|
|
spin_unlock_irqrestore(&dev->slock, flags);
|
|
return err;
|
|
}
|
|
|
|
static void stop_streaming(struct vb2_queue *q)
|
|
{
|
|
struct cx8802_dev *dev = q->drv_priv;
|
|
struct cx88_dmaqueue *dmaq = &dev->mpegq;
|
|
struct cx8802_driver *drv = NULL;
|
|
unsigned long flags;
|
|
|
|
cx8802_cancel_buffers(dev);
|
|
blackbird_stop_codec(dev);
|
|
|
|
/* Make sure we release the hardware */
|
|
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
|
|
WARN_ON(!drv);
|
|
if (drv)
|
|
drv->request_release(drv);
|
|
|
|
spin_lock_irqsave(&dev->slock, flags);
|
|
while (!list_empty(&dmaq->active)) {
|
|
struct cx88_buffer *buf = list_entry(dmaq->active.next,
|
|
struct cx88_buffer, list);
|
|
|
|
list_del(&buf->list);
|
|
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
|
|
}
|
|
spin_unlock_irqrestore(&dev->slock, flags);
|
|
}
|
|
|
|
static const struct vb2_ops blackbird_qops = {
|
|
.queue_setup = queue_setup,
|
|
.buf_prepare = buffer_prepare,
|
|
.buf_finish = buffer_finish,
|
|
.buf_queue = buffer_queue,
|
|
.wait_prepare = vb2_ops_wait_prepare,
|
|
.wait_finish = vb2_ops_wait_finish,
|
|
.start_streaming = start_streaming,
|
|
.stop_streaming = stop_streaming,
|
|
};
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
|
|
static int vidioc_querycap(struct file *file, void *priv,
|
|
struct v4l2_capability *cap)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
|
|
strscpy(cap->driver, "cx88_blackbird", sizeof(cap->driver));
|
|
sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
|
|
return cx88_querycap(file, core, cap);
|
|
}
|
|
|
|
static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
|
|
struct v4l2_fmtdesc *f)
|
|
{
|
|
if (f->index != 0)
|
|
return -EINVAL;
|
|
|
|
f->pixelformat = V4L2_PIX_FMT_MPEG;
|
|
return 0;
|
|
}
|
|
|
|
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
|
|
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;
|
|
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
|
|
f->fmt.pix.width = core->width;
|
|
f->fmt.pix.height = core->height;
|
|
f->fmt.pix.field = core->field;
|
|
return 0;
|
|
}
|
|
|
|
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
unsigned int maxw, maxh;
|
|
enum v4l2_field field;
|
|
|
|
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;
|
|
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
|
|
|
|
maxw = norm_maxw(core->tvnorm);
|
|
maxh = norm_maxh(core->tvnorm);
|
|
|
|
field = f->fmt.pix.field;
|
|
|
|
switch (field) {
|
|
case V4L2_FIELD_TOP:
|
|
case V4L2_FIELD_BOTTOM:
|
|
case V4L2_FIELD_INTERLACED:
|
|
case V4L2_FIELD_SEQ_BT:
|
|
case V4L2_FIELD_SEQ_TB:
|
|
break;
|
|
default:
|
|
field = (f->fmt.pix.height > maxh / 2)
|
|
? V4L2_FIELD_INTERLACED
|
|
: V4L2_FIELD_BOTTOM;
|
|
break;
|
|
}
|
|
if (V4L2_FIELD_HAS_T_OR_B(field))
|
|
maxh /= 2;
|
|
|
|
v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
|
|
&f->fmt.pix.height, 32, maxh, 0, 0);
|
|
f->fmt.pix.field = field;
|
|
return 0;
|
|
}
|
|
|
|
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
|
|
if (vb2_is_busy(&dev->vb2_mpegq))
|
|
return -EBUSY;
|
|
if (core->v4ldev && (vb2_is_busy(&core->v4ldev->vb2_vidq) ||
|
|
vb2_is_busy(&core->v4ldev->vb2_vbiq)))
|
|
return -EBUSY;
|
|
vidioc_try_fmt_vid_cap(file, priv, f);
|
|
core->width = f->fmt.pix.width;
|
|
core->height = f->fmt.pix.height;
|
|
core->field = f->fmt.pix.field;
|
|
cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height,
|
|
f->fmt.pix.field);
|
|
blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
|
|
f->fmt.pix.height, f->fmt.pix.width);
|
|
return 0;
|
|
}
|
|
|
|
static int vidioc_s_frequency(struct file *file, void *priv,
|
|
const struct v4l2_frequency *f)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
bool streaming;
|
|
|
|
if (unlikely(core->board.tuner_type == UNSET))
|
|
return -EINVAL;
|
|
if (unlikely(f->tuner != 0))
|
|
return -EINVAL;
|
|
streaming = vb2_start_streaming_called(&dev->vb2_mpegq);
|
|
if (streaming)
|
|
blackbird_stop_codec(dev);
|
|
|
|
cx88_set_freq(core, f);
|
|
blackbird_initialize_codec(dev);
|
|
cx88_set_scale(core, core->width, core->height, core->field);
|
|
if (streaming)
|
|
blackbird_start_codec(dev);
|
|
return 0;
|
|
}
|
|
|
|
static int vidioc_log_status(struct file *file, void *priv)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
char name[32 + 2];
|
|
|
|
snprintf(name, sizeof(name), "%s/2", core->name);
|
|
call_all(core, core, log_status);
|
|
v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
|
|
return 0;
|
|
}
|
|
|
|
static int vidioc_enum_input(struct file *file, void *priv,
|
|
struct v4l2_input *i)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
|
|
return cx88_enum_input(core, i);
|
|
}
|
|
|
|
static int vidioc_g_frequency(struct file *file, void *priv,
|
|
struct v4l2_frequency *f)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
|
|
if (unlikely(core->board.tuner_type == UNSET))
|
|
return -EINVAL;
|
|
if (unlikely(f->tuner != 0))
|
|
return -EINVAL;
|
|
|
|
f->frequency = core->freq;
|
|
call_all(core, tuner, g_frequency, f);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
|
|
*i = core->input;
|
|
return 0;
|
|
}
|
|
|
|
static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
|
|
if (i >= 4)
|
|
return -EINVAL;
|
|
if (!INPUT(i).type)
|
|
return -EINVAL;
|
|
|
|
cx88_newstation(core);
|
|
cx88_video_mux(core, i);
|
|
return 0;
|
|
}
|
|
|
|
static int vidioc_g_tuner(struct file *file, void *priv,
|
|
struct v4l2_tuner *t)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
u32 reg;
|
|
|
|
if (unlikely(core->board.tuner_type == UNSET))
|
|
return -EINVAL;
|
|
if (t->index != 0)
|
|
return -EINVAL;
|
|
|
|
strscpy(t->name, "Television", sizeof(t->name));
|
|
t->capability = V4L2_TUNER_CAP_NORM;
|
|
t->rangehigh = 0xffffffffUL;
|
|
call_all(core, tuner, g_tuner, t);
|
|
|
|
cx88_get_stereo(core, t);
|
|
reg = cx_read(MO_DEVICE_STATUS);
|
|
t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
|
|
return 0;
|
|
}
|
|
|
|
static int vidioc_s_tuner(struct file *file, void *priv,
|
|
const struct v4l2_tuner *t)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
|
|
if (core->board.tuner_type == UNSET)
|
|
return -EINVAL;
|
|
if (t->index != 0)
|
|
return -EINVAL;
|
|
|
|
cx88_set_stereo(core, t->audmode, 1);
|
|
return 0;
|
|
}
|
|
|
|
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
|
|
*tvnorm = core->tvnorm;
|
|
return 0;
|
|
}
|
|
|
|
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
|
|
{
|
|
struct cx8802_dev *dev = video_drvdata(file);
|
|
struct cx88_core *core = dev->core;
|
|
|
|
return cx88_set_tvnorm(core, id);
|
|
}
|
|
|
|
static const struct v4l2_file_operations mpeg_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = v4l2_fh_open,
|
|
.release = vb2_fop_release,
|
|
.read = vb2_fop_read,
|
|
.poll = vb2_fop_poll,
|
|
.mmap = vb2_fop_mmap,
|
|
.unlocked_ioctl = video_ioctl2,
|
|
};
|
|
|
|
static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
|
|
.vidioc_querycap = vidioc_querycap,
|
|
.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
|
|
.vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
|
|
.vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
|
|
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
|
|
.vidioc_reqbufs = vb2_ioctl_reqbufs,
|
|
.vidioc_querybuf = vb2_ioctl_querybuf,
|
|
.vidioc_qbuf = vb2_ioctl_qbuf,
|
|
.vidioc_dqbuf = vb2_ioctl_dqbuf,
|
|
.vidioc_streamon = vb2_ioctl_streamon,
|
|
.vidioc_streamoff = vb2_ioctl_streamoff,
|
|
.vidioc_s_frequency = vidioc_s_frequency,
|
|
.vidioc_log_status = vidioc_log_status,
|
|
.vidioc_enum_input = vidioc_enum_input,
|
|
.vidioc_g_frequency = vidioc_g_frequency,
|
|
.vidioc_g_input = vidioc_g_input,
|
|
.vidioc_s_input = vidioc_s_input,
|
|
.vidioc_g_tuner = vidioc_g_tuner,
|
|
.vidioc_s_tuner = vidioc_s_tuner,
|
|
.vidioc_g_std = vidioc_g_std,
|
|
.vidioc_s_std = vidioc_s_std,
|
|
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
|
|
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
|
|
};
|
|
|
|
static const struct video_device cx8802_mpeg_template = {
|
|
.name = "cx8802",
|
|
.fops = &mpeg_fops,
|
|
.ioctl_ops = &mpeg_ioctl_ops,
|
|
.tvnorms = CX88_NORMS,
|
|
};
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
|
|
/* 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->boardnr) {
|
|
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.
|
|
*/
|
|
/* Toggle reset on cx22702 leaving i2c active */
|
|
cx_set(MO_GP0_IO, 0x00000080);
|
|
udelay(1000);
|
|
cx_clear(MO_GP0_IO, 0x00000080);
|
|
udelay(50);
|
|
cx_set(MO_GP0_IO, 0x00000080);
|
|
udelay(1000);
|
|
/* tri-state the cx22702 pins */
|
|
cx_set(MO_GP0_IO, 0x00000004);
|
|
udelay(1000);
|
|
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->boardnr) {
|
|
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)
|
|
{
|
|
video_unregister_device(&dev->mpeg_dev);
|
|
}
|
|
|
|
static int blackbird_register_video(struct cx8802_dev *dev)
|
|
{
|
|
int err;
|
|
|
|
cx88_vdev_init(dev->core, dev->pci, &dev->mpeg_dev,
|
|
&cx8802_mpeg_template, "mpeg");
|
|
dev->mpeg_dev.ctrl_handler = &dev->cxhdl.hdl;
|
|
video_set_drvdata(&dev->mpeg_dev, dev);
|
|
dev->mpeg_dev.queue = &dev->vb2_mpegq;
|
|
dev->mpeg_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
|
|
V4L2_CAP_VIDEO_CAPTURE;
|
|
if (dev->core->board.tuner_type != UNSET)
|
|
dev->mpeg_dev.device_caps |= V4L2_CAP_TUNER;
|
|
err = video_register_device(&dev->mpeg_dev, VFL_TYPE_VIDEO, -1);
|
|
if (err < 0) {
|
|
pr_info("can't register mpeg device\n");
|
|
return err;
|
|
}
|
|
pr_info("registered device %s [mpeg]\n",
|
|
video_device_node_name(&dev->mpeg_dev));
|
|
return 0;
|
|
}
|
|
|
|
/* ----------------------------------------------------------- */
|
|
|
|
static int cx8802_blackbird_probe(struct cx8802_driver *drv)
|
|
{
|
|
struct cx88_core *core = drv->core;
|
|
struct cx8802_dev *dev = core->dvbdev;
|
|
struct vb2_queue *q;
|
|
int err;
|
|
|
|
dprintk(1, "%s\n", __func__);
|
|
dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
|
|
core->boardnr,
|
|
core->name,
|
|
core->pci_bus,
|
|
core->pci_slot);
|
|
|
|
err = -ENODEV;
|
|
if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
|
|
goto fail_core;
|
|
|
|
dev->cxhdl.port = CX2341X_PORT_STREAMING;
|
|
dev->cxhdl.width = core->width;
|
|
dev->cxhdl.height = core->height;
|
|
dev->cxhdl.func = blackbird_mbox_func;
|
|
dev->cxhdl.priv = dev;
|
|
err = cx2341x_handler_init(&dev->cxhdl, 36);
|
|
if (err)
|
|
goto fail_core;
|
|
v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL, false);
|
|
|
|
/* blackbird stuff */
|
|
pr_info("cx23416 based mpeg encoder (blackbird reference design)\n");
|
|
host_setup(dev->core);
|
|
|
|
blackbird_initialize_codec(dev);
|
|
|
|
/* initial device configuration: needed ? */
|
|
// init_controls(core);
|
|
cx88_set_tvnorm(core, core->tvnorm);
|
|
cx88_video_mux(core, 0);
|
|
cx2341x_handler_set_50hz(&dev->cxhdl, core->height == 576);
|
|
cx2341x_handler_setup(&dev->cxhdl);
|
|
|
|
q = &dev->vb2_mpegq;
|
|
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
|
|
q->gfp_flags = GFP_DMA32;
|
|
q->min_buffers_needed = 2;
|
|
q->drv_priv = dev;
|
|
q->buf_struct_size = sizeof(struct cx88_buffer);
|
|
q->ops = &blackbird_qops;
|
|
q->mem_ops = &vb2_dma_sg_memops;
|
|
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
|
|
q->lock = &core->lock;
|
|
q->dev = &dev->pci->dev;
|
|
|
|
err = vb2_queue_init(q);
|
|
if (err < 0)
|
|
goto fail_core;
|
|
|
|
blackbird_register_video(dev);
|
|
|
|
return 0;
|
|
|
|
fail_core:
|
|
return err;
|
|
}
|
|
|
|
static int cx8802_blackbird_remove(struct cx8802_driver *drv)
|
|
{
|
|
struct cx88_core *core = drv->core;
|
|
struct cx8802_dev *dev = core->dvbdev;
|
|
|
|
/* blackbird */
|
|
blackbird_unregister_video(drv->core->dvbdev);
|
|
v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
|
|
|
|
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 __init blackbird_init(void)
|
|
{
|
|
pr_info("cx2388x blackbird driver version %s loaded\n",
|
|
CX88_VERSION);
|
|
return cx8802_register_driver(&cx8802_blackbird_driver);
|
|
}
|
|
|
|
static void __exit blackbird_fini(void)
|
|
{
|
|
cx8802_unregister_driver(&cx8802_blackbird_driver);
|
|
}
|
|
|
|
module_init(blackbird_init);
|
|
module_exit(blackbird_fini);
|