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1253 lines
34 KiB
1253 lines
34 KiB
// 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 <[email protected]> |
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* (c) 2004 Gerd Knorr <[email protected]> |
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* |
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* (c) 2005-2006 Mauro Carvalho Chehab <[email protected]> |
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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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|
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#include "cx88.h" |
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|
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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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|
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MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards"); |
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MODULE_AUTHOR("Jelle Foks <[email protected]>, Gerd Knorr <[email protected]> [SuSE Labs]"); |
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MODULE_LICENSE("GPL v2"); |
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MODULE_VERSION(CX88_VERSION); |
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|
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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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|
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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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/* ------------------------------------------------------------------ */ |
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|
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#define BLACKBIRD_FIRM_IMAGE_SIZE 376836 |
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|
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/* defines below are from ivtv-driver.h */ |
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|
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#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF |
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|
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/* Firmware API commands */ |
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#define IVTV_API_STD_TIMEOUT 500 |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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enum blackbird_notification_type { |
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BLACKBIRD_NOTIFICATION_REFRESH, |
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}; |
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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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|
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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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|
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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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|
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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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/* ------------------------------------------------------------------ */ |
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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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/* ------------------------------------------------------------------ */ |
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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va_start(vargs, outputcnt); |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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if (retval < 0) |
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dprintk(0, "Error with register_write\n"); |
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|
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retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME, |
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&dev->pci->dev); |
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|
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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); |
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pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n"); |
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return -EIO; |
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} |
|
|
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if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) { |
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pr_err("Firmware size mismatch (have %zd, expected %d)\n", |
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firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE); |
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release_firmware(firmware); |
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return -EINVAL; |
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} |
|
|
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if (memcmp(firmware->data, magic, 8) != 0) { |
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pr_err("Firmware magic mismatch, wrong file?\n"); |
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release_firmware(firmware); |
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return -EINVAL; |
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} |
|
|
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/* transfer to the chip */ |
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dprintk(1, "Loading firmware ...\n"); |
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dataptr = (__le32 *)firmware->data; |
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for (i = 0; i < (firmware->size >> 2); i++) { |
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value = le32_to_cpu(*dataptr); |
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checksum += ~value; |
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memory_write(dev->core, i, value); |
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dataptr++; |
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} |
|
|
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/* read back to verify with the checksum */ |
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for (i--; i >= 0; i--) { |
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memory_read(dev->core, i, &value); |
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checksum -= ~value; |
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} |
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release_firmware(firmware); |
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if (checksum) { |
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pr_err("Firmware load might have failed (checksum mismatch).\n"); |
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return -EIO; |
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} |
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dprintk(0, "Firmware upload successful.\n"); |
|
|
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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_read(dev->core, IVTV_REG_SPU, &value); |
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retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE); |
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usleep_range(10000, 20000); |
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|
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retval |= register_read(dev->core, IVTV_REG_VPU, &value); |
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retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8); |
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|
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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);
|
|
|