| /* |
| * |
| * Support for a cx23416 mpeg encoder via cx2388x host port. |
| * "blackbird" reference design. |
| * |
| * (c) 2004 Jelle Foks <jelle@foks.8m.com> |
| * (c) 2004 Gerd Knorr <kraxel@bytesex.org> |
| * |
| * Includes parts from the ivtv driver( http://ivtv.sourceforge.net/), |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/init.h> |
| #include <linux/fs.h> |
| #include <linux/delay.h> |
| #include <linux/device.h> |
| #include <linux/firmware.h> |
| |
| #include "cx88.h" |
| #include <media/v4l2-common.h> |
| |
| MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards"); |
| MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); |
| MODULE_LICENSE("GPL"); |
| |
| static unsigned int mpegbufs = 32; |
| module_param(mpegbufs,int,0644); |
| MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32"); |
| |
| static unsigned int debug = 0; |
| module_param(debug,int,0644); |
| MODULE_PARM_DESC(debug,"enable debug messages [blackbird]"); |
| |
| #define dprintk(level,fmt, arg...) if (debug >= level) \ |
| printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg) |
| |
| static LIST_HEAD(cx8802_devlist); |
| |
| /* ------------------------------------------------------------------ */ |
| |
| #define BLACKBIRD_FIRM_ENC_FILENAME "blackbird-fw-enc.bin" |
| #define BLACKBIRD_FIRM_IMAGE_SIZE 256*1024 |
| |
| /* defines below are from ivtv-driver.h */ |
| |
| #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF |
| |
| /* Firmware API commands */ |
| #define IVTV_API_STD_TIMEOUT 500 |
| |
| #define BLACKBIRD_API_PING 0x80 |
| #define BLACKBIRD_API_BEGIN_CAPTURE 0x81 |
| enum blackbird_capture_type { |
| BLACKBIRD_MPEG_CAPTURE, |
| BLACKBIRD_RAW_CAPTURE, |
| BLACKBIRD_RAW_PASSTHRU_CAPTURE |
| }; |
| enum blackbird_capture_bits { |
| BLACKBIRD_RAW_BITS_NONE = 0x00, |
| BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01, |
| BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02, |
| BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04, |
| BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08, |
| BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10 |
| }; |
| #define BLACKBIRD_API_END_CAPTURE 0x82 |
| enum blackbird_capture_end { |
| BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */ |
| BLACKBIRD_END_NOW, /* stop immediately, no irq */ |
| }; |
| #define BLACKBIRD_API_SET_AUDIO_ID 0x89 |
| #define BLACKBIRD_API_SET_VIDEO_ID 0x8B |
| #define BLACKBIRD_API_SET_PCR_ID 0x8D |
| #define BLACKBIRD_API_SET_FRAMERATE 0x8F |
| enum blackbird_framerate { |
| BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */ |
| BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */ |
| }; |
| #define BLACKBIRD_API_SET_RESOLUTION 0x91 |
| #define BLACKBIRD_API_SET_VIDEO_BITRATE 0x95 |
| enum blackbird_video_bitrate_type { |
| BLACKBIRD_VIDEO_VBR, |
| BLACKBIRD_VIDEO_CBR |
| }; |
| #define BLACKBIRD_PEAK_RATE_DIVISOR 400 |
| enum blackbird_mux_rate { |
| BLACKBIRD_MUX_RATE_DEFAULT, |
| /* dvd mux rate: multiply by 400 to get the actual rate */ |
| BLACKBIRD_MUX_RATE_DVD = 25200 |
| }; |
| #define BLACKBIRD_API_SET_GOP_STRUCTURE 0x97 |
| #define BLACKBIRD_API_SET_ASPECT_RATIO 0x99 |
| enum blackbird_aspect_ratio { |
| BLACKBIRD_ASPECT_RATIO_FORBIDDEN, |
| BLACKBIRD_ASPECT_RATIO_1_1_SQUARE, |
| BLACKBIRD_ASPECT_RATIO_4_3, |
| BLACKBIRD_ASPECT_RATIO_16_9, |
| BLACKBIRD_ASPECT_RATIO_221_100, |
| BLACKBIRD_ASPECT_RATIO_RESERVED |
| }; |
| #define BLACKBIRD_API_SET_DNR_MODE 0x9B |
| enum blackbird_dnr_bits { |
| BLACKBIRD_DNR_BITS_MANUAL, |
| BLACKBIRD_DNR_BITS_AUTO_SPATIAL, |
| BLACKBIRD_DNR_BITS_AUTO_TEMPORAL, |
| BLACKBIRD_DNR_BITS_AUTO |
| }; |
| enum blackbird_median_filter { |
| BLACKBIRD_MEDIAN_FILTER_DISABLED, |
| BLACKBIRD_MEDIAN_FILTER_HORIZONTAL, |
| BLACKBIRD_MEDIAN_FILTER_VERTICAL, |
| BLACKBIRD_MEDIAN_FILTER_HV, |
| BLACKBIRD_MEDIAN_FILTER_DIAGONAL |
| }; |
| #define BLACKBIRD_API_SET_MANUAL_DNR 0x9D |
| #define BLACKBIRD_API_SET_DNR_MEDIAN 0x9F |
| #define BLACKBIRD_API_SET_SPATIAL_FILTER 0xA1 |
| enum blackbird_spatial_filter_luma { |
| BLACKBIRD_SPATIAL_FILTER_LUMA_DISABLED, |
| BLACKBIRD_SPATIAL_FILTER_LUMA_1D_HORIZ, |
| BLACKBIRD_SPATIAL_FILTER_LUMA_1D_VERT, |
| BLACKBIRD_SPATIAL_FILTER_LUMA_2D_HV, /* separable, default */ |
| BLACKBIRD_SPATIAL_FILTER_LUMA_2D_SYMM /* symmetric non-separable */ |
| }; |
| enum blackbird_spatial_filter_chroma { |
| BLACKBIRD_SPATIAL_FILTER_CHROMA_DISABLED, |
| BLACKBIRD_SPATIAL_FILTER_CHROMA_1D_HORIZ /* default */ |
| }; |
| #define BLACKBIRD_API_SET_3_2_PULLDOWN 0xB1 |
| enum blackbird_pulldown { |
| BLACKBIRD_3_2_PULLDOWN_DISABLED, |
| BLACKBIRD_3_2_PULLDOWN_ENABLED |
| }; |
| #define BLACKBIRD_API_SET_VBI_LINE_NO 0xB7 |
| enum blackbird_vbi_line_bits { |
| BLACKBIRD_VBI_LINE_BITS_TOP_FIELD, |
| BLACKBIRD_VBI_LINE_BITS_BOT_FIELD = (1 << 31), |
| BLACKBIRD_VBI_LINE_BITS_ALL_LINES = 0xFFFFFFFF |
| }; |
| enum blackbird_vbi_line { |
| BLACKBIRD_VBI_LINE_DISABLED, |
| BLACKBIRD_VBI_LINE_ENABLED |
| }; |
| enum blackbird_vbi_slicing { |
| BLACKBIRD_VBI_SLICING_NONE, |
| BLACKBIRD_VBI_SLICING_CLOSED_CAPTION |
| }; |
| #define BLACKBIRD_API_SET_STREAM_TYPE 0xB9 |
| enum blackbird_stream_type { |
| BLACKBIRD_STREAM_PROGRAM, |
| BLACKBIRD_STREAM_TRANSPORT, |
| BLACKBIRD_STREAM_MPEG1, |
| BLACKBIRD_STREAM_PES_AV, |
| BLACKBIRD_STREAM_UNKNOWN4, |
| BLACKBIRD_STREAM_PES_VIDEO, |
| BLACKBIRD_STREAM_UNKNOWN6, |
| BLACKBIRD_STREAM_PES_AUDIO, |
| BLACKBIRD_STREAM_UNKNOWN8, |
| BLACKBIRD_STREAM_UNKNOWN9, /* audio/pcm ? */ |
| BLACKBIRD_STREAM_DVD, |
| BLACKBIRD_STREAM_VCD, |
| BLACKBIRD_STREAM_UNKNOWN12 /* svcd/xvcd ? */ |
| }; |
| #define BLACKBIRD_API_SET_OUTPUT_PORT 0xBB |
| enum blackbird_stream_port { |
| BLACKBIRD_OUTPUT_PORT_MEMORY, |
| BLACKBIRD_OUTPUT_PORT_STREAMING, |
| BLACKBIRD_OUTPUT_PORT_SERIAL |
| }; |
| #define BLACKBIRD_API_SET_AUDIO_PARAMS 0xBD |
| enum blackbird_audio_bits_sample_rate { |
| BLACKBIRD_AUDIO_BITS_44100HZ, |
| BLACKBIRD_AUDIO_BITS_48000HZ, |
| BLACKBIRD_AUDIO_BITS_32000HZ, |
| BLACKBIRD_AUDIO_BITS_RESERVED_HZ, |
| }; |
| enum blackbird_audio_bits_encoding { |
| BLACKBIRD_AUDIO_BITS_LAYER_1 = 0x1 << 2, |
| BLACKBIRD_AUDIO_BITS_LAYER_2 = 0x2 << 2, |
| }; |
| enum blackbird_audio_bits_bitrate_layer_1 { |
| BLACKBIRD_AUDIO_BITS_LAYER_1_FREE_FORMAT, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_32 = 0x01 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_64 = 0x02 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_96 = 0x03 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_128 = 0x04 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_160 = 0x05 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_192 = 0x06 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_224 = 0x07 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_256 = 0x08 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_288 = 0x09 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_320 = 0x0A << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_352 = 0x0B << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_384 = 0x0C << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_416 = 0x0D << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_1_448 = 0x0E << 4, |
| }; |
| enum blackbird_audio_bits_bitrate_layer_2 { |
| BLACKBIRD_AUDIO_BITS_LAYER_2_FREE_FORMAT, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_32 = 0x01 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_48 = 0x02 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_56 = 0x03 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_64 = 0x04 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_80 = 0x05 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_96 = 0x06 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_112 = 0x07 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_128 = 0x08 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_160 = 0x09 << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_192 = 0x0A << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_224 = 0x0B << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_256 = 0x0C << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_320 = 0x0D << 4, |
| BLACKBIRD_AUDIO_BITS_LAYER_2_384 = 0x0E << 4, |
| }; |
| enum blackbird_audio_bits_mode { |
| BLACKBIRD_AUDIO_BITS_STEREO, |
| BLACKBIRD_AUDIO_BITS_JOINT_STEREO = 0x1 << 8, |
| BLACKBIRD_AUDIO_BITS_DUAL = 0x2 << 8, |
| BLACKBIRD_AUDIO_BITS_MONO = 0x3 << 8, |
| }; |
| enum blackbird_audio_bits_mode_extension { |
| BLACKBIRD_AUDIO_BITS_BOUND_4, |
| BLACKBIRD_AUDIO_BITS_BOUND_8 = 0x1 << 10, |
| BLACKBIRD_AUDIO_BITS_BOUND_12 = 0x2 << 10, |
| BLACKBIRD_AUDIO_BITS_BOUND_16 = 0x3 << 10, |
| }; |
| enum blackbird_audio_bits_emphasis { |
| BLACKBIRD_AUDIO_BITS_EMPHASIS_NONE, |
| BLACKBIRD_AUDIO_BITS_EMPHASIS_50_15 = 0x1 << 12, |
| BLACKBIRD_AUDIO_BITS_EMPHASIS_RESERVED = 0x2 << 12, |
| BLACKBIRD_AUDIO_BITS_EMPHASIS_CCITT_J17 = 0x3 << 12, |
| }; |
| enum blackbird_audio_bits_crc { |
| BLACKBIRD_AUDIO_BITS_CRC_OFF, |
| BLACKBIRD_AUDIO_BITS_CRC_ON = 0x1 << 14, |
| }; |
| enum blackbird_audio_bits_copyright { |
| BLACKBIRD_AUDIO_BITS_COPYRIGHT_OFF, |
| BLACKBIRD_AUDIO_BITS_COPYRIGHT_ON = 0x1 << 15, |
| }; |
| enum blackbird_audio_bits_original { |
| BLACKBIRD_AUDIO_BITS_COPY, |
| BLACKBIRD_AUDIO_BITS_ORIGINAL = 0x1 << 16, |
| }; |
| #define BLACKBIRD_API_HALT 0xC3 |
| #define BLACKBIRD_API_GET_VERSION 0xC4 |
| #define BLACKBIRD_API_SET_GOP_CLOSURE 0xC5 |
| enum blackbird_gop_closure { |
| BLACKBIRD_GOP_CLOSURE_OFF, |
| BLACKBIRD_GOP_CLOSURE_ON, |
| }; |
| #define BLACKBIRD_API_DATA_XFER_STATUS 0xC6 |
| enum blackbird_data_xfer_status { |
| BLACKBIRD_MORE_BUFFERS_FOLLOW, |
| BLACKBIRD_LAST_BUFFER, |
| }; |
| #define BLACKBIRD_API_PROGRAM_INDEX_INFO 0xC7 |
| enum blackbird_picture_mask { |
| BLACKBIRD_PICTURE_MASK_NONE, |
| BLACKBIRD_PICTURE_MASK_I_FRAMES, |
| BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3, |
| BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7, |
| }; |
| #define BLACKBIRD_API_SET_VBI_PARAMS 0xC8 |
| enum blackbird_vbi_mode_bits { |
| BLACKBIRD_VBI_BITS_SLICED, |
| BLACKBIRD_VBI_BITS_RAW, |
| }; |
| enum blackbird_vbi_insertion_bits { |
| BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA, |
| BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1, |
| BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1, |
| BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1, |
| BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1, |
| }; |
| #define BLACKBIRD_API_SET_DMA_BLOCK_SIZE 0xC9 |
| enum blackbird_dma_unit { |
| BLACKBIRD_DMA_BYTES, |
| BLACKBIRD_DMA_FRAMES, |
| }; |
| #define BLACKBIRD_API_DMA_TRANSFER_INFO 0xCA |
| #define BLACKBIRD_API_DMA_TRANSFER_STAT 0xCB |
| enum blackbird_dma_transfer_status_bits { |
| BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01, |
| BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04, |
| BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10, |
| }; |
| #define BLACKBIRD_API_SET_DMA2HOST_ADDR 0xCC |
| #define BLACKBIRD_API_INIT_VIDEO_INPUT 0xCD |
| #define BLACKBIRD_API_SET_FRAMESKIP 0xD0 |
| #define BLACKBIRD_API_PAUSE 0xD2 |
| enum blackbird_pause { |
| BLACKBIRD_PAUSE_ENCODING, |
| BLACKBIRD_RESUME_ENCODING, |
| }; |
| #define BLACKBIRD_API_REFRESH_INPUT 0xD3 |
| #define BLACKBIRD_API_SET_COPYRIGHT 0xD4 |
| enum blackbird_copyright { |
| BLACKBIRD_COPYRIGHT_OFF, |
| BLACKBIRD_COPYRIGHT_ON, |
| }; |
| #define BLACKBIRD_API_SET_NOTIFICATION 0xD5 |
| enum blackbird_notification_type { |
| BLACKBIRD_NOTIFICATION_REFRESH, |
| }; |
| enum blackbird_notification_status { |
| BLACKBIRD_NOTIFICATION_OFF, |
| BLACKBIRD_NOTIFICATION_ON, |
| }; |
| enum blackbird_notification_mailbox { |
| BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1, |
| }; |
| #define BLACKBIRD_API_SET_CAPTURE_LINES 0xD6 |
| enum blackbird_field1_lines { |
| BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */ |
| BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */ |
| BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */ |
| }; |
| enum blackbird_field2_lines { |
| BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */ |
| BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */ |
| BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */ |
| }; |
| #define BLACKBIRD_API_SET_CUSTOM_DATA 0xD7 |
| enum blackbird_custom_data_type { |
| BLACKBIRD_CUSTOM_EXTENSION_USR_DATA, |
| BLACKBIRD_CUSTOM_PRIVATE_PACKET, |
| }; |
| #define BLACKBIRD_API_MUTE_VIDEO 0xD9 |
| enum blackbird_mute { |
| BLACKBIRD_UNMUTE, |
| BLACKBIRD_MUTE, |
| }; |
| enum blackbird_mute_video_mask { |
| BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00, |
| BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000, |
| BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000, |
| }; |
| enum blackbird_mute_video_shift { |
| BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8, |
| BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16, |
| BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24, |
| }; |
| #define BLACKBIRD_API_MUTE_AUDIO 0xDA |
| |
| /* Registers */ |
| #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/) |
| #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/) |
| #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/) |
| #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/) |
| #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/) |
| #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/) |
| |
| /* ------------------------------------------------------------------ */ |
| |
| static void host_setup(struct cx88_core *core) |
| { |
| /* toggle reset of the host */ |
| cx_write(MO_GPHST_SOFT_RST, 1); |
| udelay(100); |
| cx_write(MO_GPHST_SOFT_RST, 0); |
| udelay(100); |
| |
| /* host port setup */ |
| cx_write(MO_GPHST_WSC, 0x44444444U); |
| cx_write(MO_GPHST_XFR, 0); |
| cx_write(MO_GPHST_WDTH, 15); |
| cx_write(MO_GPHST_HDSHK, 0); |
| cx_write(MO_GPHST_MUX16, 0x44448888U); |
| cx_write(MO_GPHST_MODE, 0); |
| } |
| |
| /* ------------------------------------------------------------------ */ |
| |
| #define P1_MDATA0 0x390000 |
| #define P1_MDATA1 0x390001 |
| #define P1_MDATA2 0x390002 |
| #define P1_MDATA3 0x390003 |
| #define P1_MADDR2 0x390004 |
| #define P1_MADDR1 0x390005 |
| #define P1_MADDR0 0x390006 |
| #define P1_RDATA0 0x390008 |
| #define P1_RDATA1 0x390009 |
| #define P1_RDATA2 0x39000A |
| #define P1_RDATA3 0x39000B |
| #define P1_RADDR0 0x39000C |
| #define P1_RADDR1 0x39000D |
| #define P1_RRDWR 0x39000E |
| |
| static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state) |
| { |
| unsigned long timeout = jiffies + msecs_to_jiffies(1); |
| u32 gpio0,need; |
| |
| need = state ? 2 : 0; |
| for (;;) { |
| gpio0 = cx_read(MO_GP0_IO) & 2; |
| if (need == gpio0) |
| return 0; |
| if (time_after(jiffies,timeout)) |
| return -1; |
| udelay(1); |
| } |
| } |
| |
| static int memory_write(struct cx88_core *core, u32 address, u32 value) |
| { |
| /* Warning: address is dword address (4 bytes) */ |
| cx_writeb(P1_MDATA0, (unsigned int)value); |
| cx_writeb(P1_MDATA1, (unsigned int)(value >> 8)); |
| cx_writeb(P1_MDATA2, (unsigned int)(value >> 16)); |
| cx_writeb(P1_MDATA3, (unsigned int)(value >> 24)); |
| cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40); |
| cx_writeb(P1_MADDR1, (unsigned int)(address >> 8)); |
| cx_writeb(P1_MADDR0, (unsigned int)address); |
| cx_read(P1_MDATA0); |
| cx_read(P1_MADDR0); |
| |
| return wait_ready_gpio0_bit1(core,1); |
| } |
| |
| static int memory_read(struct cx88_core *core, u32 address, u32 *value) |
| { |
| int retval; |
| u32 val; |
| |
| /* Warning: address is dword address (4 bytes) */ |
| cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0); |
| cx_writeb(P1_MADDR1, (unsigned int)(address >> 8)); |
| cx_writeb(P1_MADDR0, (unsigned int)address); |
| cx_read(P1_MADDR0); |
| |
| retval = wait_ready_gpio0_bit1(core,1); |
| |
| cx_writeb(P1_MDATA3, 0); |
| val = (unsigned char)cx_read(P1_MDATA3) << 24; |
| cx_writeb(P1_MDATA2, 0); |
| val |= (unsigned char)cx_read(P1_MDATA2) << 16; |
| cx_writeb(P1_MDATA1, 0); |
| val |= (unsigned char)cx_read(P1_MDATA1) << 8; |
| cx_writeb(P1_MDATA0, 0); |
| val |= (unsigned char)cx_read(P1_MDATA0); |
| |
| *value = val; |
| return retval; |
| } |
| |
| static int register_write(struct cx88_core *core, u32 address, u32 value) |
| { |
| cx_writeb(P1_RDATA0, (unsigned int)value); |
| cx_writeb(P1_RDATA1, (unsigned int)(value >> 8)); |
| cx_writeb(P1_RDATA2, (unsigned int)(value >> 16)); |
| cx_writeb(P1_RDATA3, (unsigned int)(value >> 24)); |
| cx_writeb(P1_RADDR0, (unsigned int)address); |
| cx_writeb(P1_RADDR1, (unsigned int)(address >> 8)); |
| cx_writeb(P1_RRDWR, 1); |
| cx_read(P1_RDATA0); |
| cx_read(P1_RADDR0); |
| |
| return wait_ready_gpio0_bit1(core,1); |
| } |
| |
| |
| static int register_read(struct cx88_core *core, u32 address, u32 *value) |
| { |
| int retval; |
| u32 val; |
| |
| cx_writeb(P1_RADDR0, (unsigned int)address); |
| cx_writeb(P1_RADDR1, (unsigned int)(address >> 8)); |
| cx_writeb(P1_RRDWR, 0); |
| cx_read(P1_RADDR0); |
| |
| retval = wait_ready_gpio0_bit1(core,1); |
| val = (unsigned char)cx_read(P1_RDATA0); |
| val |= (unsigned char)cx_read(P1_RDATA1) << 8; |
| val |= (unsigned char)cx_read(P1_RDATA2) << 16; |
| val |= (unsigned char)cx_read(P1_RDATA3) << 24; |
| |
| *value = val; |
| return retval; |
| } |
| |
| /* ------------------------------------------------------------------ */ |
| |
| /* We don't need to call the API often, so using just one mailbox will probably suffice */ |
| static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command, |
| u32 inputcnt, u32 outputcnt, ...) |
| { |
| unsigned long timeout; |
| u32 value, flag, retval; |
| int i; |
| va_list args; |
| va_start(args, outputcnt); |
| |
| dprintk(1,"%s: 0x%X\n", __FUNCTION__, command); |
| |
| /* this may not be 100% safe if we can't read any memory location |
| without side effects */ |
| memory_read(dev->core, dev->mailbox - 4, &value); |
| if (value != 0x12345678) { |
| dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n"); |
| return -1; |
| } |
| |
| memory_read(dev->core, dev->mailbox, &flag); |
| if (flag) { |
| dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag); |
| return -1; |
| } |
| |
| flag |= 1; /* tell 'em we're working on it */ |
| memory_write(dev->core, dev->mailbox, flag); |
| |
| /* write command + args + fill remaining with zeros */ |
| memory_write(dev->core, dev->mailbox + 1, command); /* command code */ |
| memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */ |
| for (i = 0; i < inputcnt ; i++) { |
| value = va_arg(args, int); |
| memory_write(dev->core, dev->mailbox + 4 + i, value); |
| dprintk(1, "API Input %d = %d\n", i, value); |
| } |
| for (; i < 16 ; i++) |
| memory_write(dev->core, dev->mailbox + 4 + i, 0); |
| |
| flag |= 3; /* tell 'em we're done writing */ |
| memory_write(dev->core, dev->mailbox, flag); |
| |
| /* wait for firmware to handle the API command */ |
| timeout = jiffies + msecs_to_jiffies(10); |
| for (;;) { |
| memory_read(dev->core, dev->mailbox, &flag); |
| if (0 != (flag & 4)) |
| break; |
| if (time_after(jiffies,timeout)) { |
| dprintk(0, "ERROR: API Mailbox timeout\n"); |
| return -1; |
| } |
| udelay(10); |
| } |
| |
| /* read output values */ |
| for (i = 0; i < outputcnt ; i++) { |
| int *vptr = va_arg(args, int *); |
| memory_read(dev->core, dev->mailbox + 4 + i, vptr); |
| dprintk(1, "API Output %d = %d\n", i, *vptr); |
| } |
| va_end(args); |
| |
| memory_read(dev->core, dev->mailbox + 2, &retval); |
| dprintk(1, "API result = %d\n",retval); |
| |
| flag = 0; |
| memory_write(dev->core, dev->mailbox, flag); |
| return retval; |
| } |
| |
| |
| static int blackbird_find_mailbox(struct cx8802_dev *dev) |
| { |
| u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456}; |
| int signaturecnt=0; |
| u32 value; |
| int i; |
| |
| for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) { |
| memory_read(dev->core, i, &value); |
| if (value == signature[signaturecnt]) |
| signaturecnt++; |
| else |
| signaturecnt = 0; |
| if (4 == signaturecnt) { |
| dprintk(1, "Mailbox signature found\n"); |
| return i+1; |
| } |
| } |
| dprintk(0, "Mailbox signature values not found!\n"); |
| return -1; |
| } |
| |
| static int blackbird_load_firmware(struct cx8802_dev *dev) |
| { |
| static const unsigned char magic[8] = { |
| 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa |
| }; |
| const struct firmware *firmware; |
| int i, retval = 0; |
| u32 value = 0; |
| u32 checksum = 0; |
| u32 *dataptr; |
| |
| retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED); |
| retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); |
| retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640); |
| retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A); |
| msleep(1); |
| retval |= register_write(dev->core, IVTV_REG_APU, 0); |
| |
| if (retval < 0) |
| dprintk(0, "Error with register_write\n"); |
| |
| retval = request_firmware(&firmware, BLACKBIRD_FIRM_ENC_FILENAME, |
| &dev->pci->dev); |
| |
| |
| if (retval != 0) { |
| dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n", |
| BLACKBIRD_FIRM_ENC_FILENAME); |
| dprintk(0, "Please fix your hotplug setup, the board will " |
| "not work without firmware loaded!\n"); |
| return -1; |
| } |
| |
| if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) { |
| dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n", |
| firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE); |
| return -1; |
| } |
| |
| if (0 != memcmp(firmware->data, magic, 8)) { |
| dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n"); |
| return -1; |
| } |
| |
| /* transfer to the chip */ |
| dprintk(1,"Loading firmware ...\n"); |
| dataptr = (u32*)firmware->data; |
| for (i = 0; i < (firmware->size >> 2); i++) { |
| value = *dataptr; |
| checksum += ~value; |
| memory_write(dev->core, i, value); |
| dataptr++; |
| } |
| |
| /* read back to verify with the checksum */ |
| for (i--; i >= 0; i--) { |
| memory_read(dev->core, i, &value); |
| checksum -= ~value; |
| } |
| if (checksum) { |
| dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n"); |
| return -1; |
| } |
| release_firmware(firmware); |
| dprintk(0, "Firmware upload successful.\n"); |
| |
| retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); |
| retval |= register_read(dev->core, IVTV_REG_SPU, &value); |
| retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE); |
| msleep(1); |
| |
| retval |= register_read(dev->core, IVTV_REG_VPU, &value); |
| retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8); |
| |
| if (retval < 0) |
| dprintk(0, "Error with register_write\n"); |
| return 0; |
| } |
| |
| /** |
| Settings used by the windows tv app for PVR2000: |
| ================================================================================================================= |
| Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode |
| ----------------------------------------------------------------------------------------------------------------- |
| MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo |
| MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo |
| VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo |
| DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo |
| DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo |
| ================================================================================================================= |
| *DB: "DirectBurn" |
| */ |
| |
| static struct blackbird_dnr default_dnr_params = { |
| .mode = BLACKBIRD_DNR_BITS_MANUAL, |
| .type = BLACKBIRD_MEDIAN_FILTER_DISABLED, |
| .spatial = 0, |
| .temporal = 0 |
| }; |
| static struct v4l2_mpeg_compression default_mpeg_params = { |
| .st_type = V4L2_MPEG_PS_2, |
| .st_bitrate = { |
| .mode = V4L2_BITRATE_CBR, |
| .min = 0, |
| .target = 0, |
| .max = 0 |
| }, |
| .ts_pid_pmt = 16, |
| .ts_pid_audio = 260, |
| .ts_pid_video = 256, |
| .ts_pid_pcr = 259, |
| .ps_size = 0, |
| .au_type = V4L2_MPEG_AU_2_II, |
| .au_bitrate = { |
| .mode = V4L2_BITRATE_CBR, |
| .min = 224, |
| .target = 224, |
| .max = 224 |
| }, |
| .au_sample_rate = 44100, |
| .au_pesid = 0, |
| .vi_type = V4L2_MPEG_VI_2, |
| .vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3, |
| .vi_bitrate = { |
| .mode = V4L2_BITRATE_CBR, |
| .min = 4000, |
| .target = 4500, |
| .max = 6000 |
| }, |
| .vi_frame_rate = 25, |
| .vi_frames_per_gop = 15, |
| .vi_bframes_count = 2, |
| .vi_pesid = 0, |
| .closed_gops = 0, |
| .pulldown = 0 |
| }; |
| |
| static enum blackbird_stream_type mpeg_stream_types[] = { |
| [V4L2_MPEG_SS_1] = BLACKBIRD_STREAM_MPEG1, |
| [V4L2_MPEG_PS_2] = BLACKBIRD_STREAM_PROGRAM, |
| [V4L2_MPEG_TS_2] = BLACKBIRD_STREAM_TRANSPORT, |
| [V4L2_MPEG_PS_DVD] = BLACKBIRD_STREAM_DVD, |
| }; |
| static enum blackbird_aspect_ratio mpeg_stream_ratios[] = { |
| [V4L2_MPEG_ASPECT_SQUARE] = BLACKBIRD_ASPECT_RATIO_1_1_SQUARE, |
| [V4L2_MPEG_ASPECT_4_3] = BLACKBIRD_ASPECT_RATIO_4_3, |
| [V4L2_MPEG_ASPECT_16_9] = BLACKBIRD_ASPECT_RATIO_16_9, |
| [V4L2_MPEG_ASPECT_1_221] = BLACKBIRD_ASPECT_RATIO_221_100, |
| }; |
| static enum blackbird_video_bitrate_type mpeg_video_bitrates[] = { |
| [V4L2_BITRATE_NONE] = BLACKBIRD_VIDEO_CBR, |
| [V4L2_BITRATE_CBR] = BLACKBIRD_VIDEO_CBR, |
| [V4L2_BITRATE_VBR] = BLACKBIRD_VIDEO_VBR, |
| }; |
| /* find the best layer I/II bitrate to fit a given numeric value */ |
| struct bitrate_bits { |
| u32 bits; /* layer bits for the best fit */ |
| u32 rate; /* actual numeric value for the layer best fit */ |
| }; |
| struct bitrate_approximation { |
| u32 target; /* numeric value of the rate we want */ |
| struct bitrate_bits layer[2]; |
| }; |
| static struct bitrate_approximation mpeg_audio_bitrates[] = { |
| /* target layer[0].bits layer[0].rate layer[1].bits layer[1].rate */ |
| { 0, { { 0, 0, }, { 0, 0, }, }, }, |
| { 32, { { BLACKBIRD_AUDIO_BITS_LAYER_1_32 , 32, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_32 , 32, }, }, }, |
| { 48, { { BLACKBIRD_AUDIO_BITS_LAYER_1_64 , 64, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_48 , 48, }, }, }, |
| { 56, { { BLACKBIRD_AUDIO_BITS_LAYER_1_64 , 64, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_56 , 56, }, }, }, |
| { 64, { { BLACKBIRD_AUDIO_BITS_LAYER_1_64 , 64, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_64 , 64, }, }, }, |
| { 80, { { BLACKBIRD_AUDIO_BITS_LAYER_1_96 , 96, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_80 , 80, }, }, }, |
| { 96, { { BLACKBIRD_AUDIO_BITS_LAYER_1_96 , 96, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_96 , 96, }, }, }, |
| { 112, { { BLACKBIRD_AUDIO_BITS_LAYER_1_128, 128, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_112, 112, }, }, }, |
| { 128, { { BLACKBIRD_AUDIO_BITS_LAYER_1_128, 128, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_128, 128, }, }, }, |
| { 160, { { BLACKBIRD_AUDIO_BITS_LAYER_1_160, 160, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_160, 160, }, }, }, |
| { 192, { { BLACKBIRD_AUDIO_BITS_LAYER_1_192, 192, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_192, 192, }, }, }, |
| { 224, { { BLACKBIRD_AUDIO_BITS_LAYER_1_224, 224, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_224, 224, }, }, }, |
| { 256, { { BLACKBIRD_AUDIO_BITS_LAYER_1_256, 256, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_256, 256, }, }, }, |
| { 288, { { BLACKBIRD_AUDIO_BITS_LAYER_1_288, 288, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_320, 320, }, }, }, |
| { 320, { { BLACKBIRD_AUDIO_BITS_LAYER_1_320, 320, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_320, 320, }, }, }, |
| { 352, { { BLACKBIRD_AUDIO_BITS_LAYER_1_352, 352, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_384, 384, }, }, }, |
| { 384, { { BLACKBIRD_AUDIO_BITS_LAYER_1_384, 384, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_384, 384, }, }, }, |
| { 416, { { BLACKBIRD_AUDIO_BITS_LAYER_1_416, 416, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_384, 384, }, }, }, |
| { 448, { { BLACKBIRD_AUDIO_BITS_LAYER_1_448, 448, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_384, 384, }, }, }, |
| }; |
| static const int BITRATES_SIZE = ARRAY_SIZE(mpeg_audio_bitrates); |
| |
| static void blackbird_set_default_params(struct cx8802_dev *dev) |
| { |
| struct v4l2_mpeg_compression *params = &dev->params; |
| u32 au_params; |
| |
| /* assign stream type */ |
| if( params->st_type >= ARRAY_SIZE(mpeg_stream_types) ) |
| params->st_type = V4L2_MPEG_PS_2; |
| if( params->st_type == V4L2_MPEG_SS_1 ) |
| params->vi_type = V4L2_MPEG_VI_1; |
| else |
| params->vi_type = V4L2_MPEG_VI_2; |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_STREAM_TYPE, 1, 0, mpeg_stream_types[params->st_type]); |
| |
| /* assign framerate */ |
| if( params->vi_frame_rate <= 25 ) |
| { |
| params->vi_frame_rate = 25; |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_PAL_25); |
| } |
| else |
| { |
| params->vi_frame_rate = 30; |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_NTSC_30); |
| } |
| |
| /* assign aspect ratio */ |
| if( params->vi_aspect_ratio >= ARRAY_SIZE(mpeg_stream_ratios) ) |
| params->vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3; |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_ASPECT_RATIO, 1, 0, mpeg_stream_ratios[params->vi_aspect_ratio]); |
| |
| /* assign gop properties */ |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_STRUCTURE, 2, 0, params->vi_frames_per_gop, params->vi_bframes_count+1); |
| |
| /* assign gop closure */ |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_CLOSURE, 1, 0, params->closed_gops); |
| |
| /* assign 3 2 pulldown */ |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_3_2_PULLDOWN, 1, 0, params->pulldown); |
| |
| /* make sure the params are within bounds */ |
| if( params->st_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) ) |
| params->vi_bitrate.mode = V4L2_BITRATE_NONE; |
| if( params->vi_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) ) |
| params->vi_bitrate.mode = V4L2_BITRATE_NONE; |
| if( params->au_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) ) |
| params->au_bitrate.mode = V4L2_BITRATE_NONE; |
| |
| /* assign audio properties */ |
| /* note: it's not necessary to set the samplerate, the mpeg encoder seems to autodetect/adjust */ |
| au_params = BLACKBIRD_AUDIO_BITS_STEREO | |
| /* BLACKBIRD_AUDIO_BITS_BOUND_4 | */ |
| BLACKBIRD_AUDIO_BITS_EMPHASIS_NONE | |
| BLACKBIRD_AUDIO_BITS_CRC_OFF | |
| BLACKBIRD_AUDIO_BITS_COPYRIGHT_OFF | |
| BLACKBIRD_AUDIO_BITS_COPY | |
| 0; |
| if( params->au_sample_rate <= 32000 ) |
| { |
| params->au_sample_rate = 32000; |
| au_params |= BLACKBIRD_AUDIO_BITS_32000HZ; |
| } |
| else if( params->au_sample_rate <= 44100 ) |
| { |
| params->au_sample_rate = 44100; |
| au_params |= BLACKBIRD_AUDIO_BITS_44100HZ; |
| } |
| else |
| { |
| params->au_sample_rate = 48000; |
| au_params |= BLACKBIRD_AUDIO_BITS_48000HZ; |
| } |
| if( params->au_type == V4L2_MPEG_AU_2_I ) |
| { |
| au_params |= BLACKBIRD_AUDIO_BITS_LAYER_1; |
| } |
| else |
| { |
| /* TODO: try to handle the other formats more gracefully */ |
| params->au_type = V4L2_MPEG_AU_2_II; |
| au_params |= BLACKBIRD_AUDIO_BITS_LAYER_2; |
| } |
| if( params->au_bitrate.mode ) |
| { |
| int layer; |
| |
| if( params->au_bitrate.mode == V4L2_BITRATE_CBR ) |
| params->au_bitrate.max = params->vi_bitrate.target; |
| else |
| params->au_bitrate.target = params->vi_bitrate.max; |
| |
| layer = params->au_type; |
| if( params->au_bitrate.target == 0 ) |
| { |
| /* TODO: use the minimum possible bitrate instead of 0 ? */ |
| au_params |= 0; |
| } |
| else if( params->au_bitrate.target >= |
| mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].rate ) |
| { |
| /* clamp the bitrate to the max supported by the standard */ |
| params->au_bitrate.target = mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].rate; |
| params->au_bitrate.max = params->au_bitrate.target; |
| au_params |= mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].bits; |
| } |
| else |
| { |
| /* round up to the nearest supported bitrate */ |
| int i; |
| for(i = 1; i < BITRATES_SIZE; i++) |
| { |
| if( params->au_bitrate.target > mpeg_audio_bitrates[i-1].layer[layer].rate && |
| params->au_bitrate.target <= mpeg_audio_bitrates[i].layer[layer].rate ) |
| { |
| params->au_bitrate.target = mpeg_audio_bitrates[i].layer[layer].rate; |
| params->au_bitrate.max = params->au_bitrate.target; |
| au_params |= mpeg_audio_bitrates[i].layer[layer].bits; |
| break; |
| } |
| } |
| } |
| } |
| else |
| { |
| /* TODO: ??? */ |
| params->au_bitrate.target = params->au_bitrate.max = 0; |
| au_params |= 0; |
| } |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_AUDIO_PARAMS, 1, 0, au_params ); |
| |
| /* assign bitrates */ |
| if( params->vi_bitrate.mode ) |
| { |
| /* bitrate is set, let's figure out the cbr/vbr mess */ |
| if( params->vi_bitrate.max < params->vi_bitrate.target ) |
| { |
| if( params->vi_bitrate.mode == V4L2_BITRATE_CBR ) |
| params->vi_bitrate.max = params->vi_bitrate.target; |
| else |
| params->vi_bitrate.target = params->vi_bitrate.max; |
| } |
| } |
| else |
| { |
| if( params->st_bitrate.max < params->st_bitrate.target ) |
| { |
| if( params->st_bitrate.mode == V4L2_BITRATE_VBR ) |
| params->st_bitrate.target = params->st_bitrate.max; |
| else |
| params->st_bitrate.max = params->st_bitrate.target; |
| } |
| /* calculate vi_bitrate = st_bitrate - au_bitrate */ |
| params->vi_bitrate.max = params->st_bitrate.max - params->au_bitrate.max; |
| params->vi_bitrate.target = params->st_bitrate.target - params->au_bitrate.target; |
| } |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_VIDEO_BITRATE, 4, 0, |
| mpeg_video_bitrates[params->vi_bitrate.mode], |
| params->vi_bitrate.target * 1000, /* kbps -> bps */ |
| params->vi_bitrate.max * 1000 / BLACKBIRD_PEAK_RATE_DIVISOR, /* peak/400 */ |
| BLACKBIRD_MUX_RATE_DEFAULT /*, 0x70*/); /* encoding buffer, ckennedy */ |
| |
| /* TODO: implement the stream ID stuff: |
| ts_pid_pmt, ts_pid_audio, ts_pid_video, ts_pid_pcr, |
| ps_size, au_pesid, vi_pesid |
| */ |
| } |
| #define CHECK_PARAM( name ) ( dev->params.name != params->name ) |
| #define IF_PARAM( name ) if( CHECK_PARAM( name ) ) |
| #define UPDATE_PARAM( name ) dev->params.name = params->name |
| void blackbird_set_params(struct cx8802_dev *dev, struct v4l2_mpeg_compression *params) |
| { |
| u32 au_params; |
| |
| /* assign stream type */ |
| if( params->st_type >= ARRAY_SIZE(mpeg_stream_types) ) |
| params->st_type = V4L2_MPEG_PS_2; |
| if( params->st_type == V4L2_MPEG_SS_1 ) |
| params->vi_type = V4L2_MPEG_VI_1; |
| else |
| params->vi_type = V4L2_MPEG_VI_2; |
| if( CHECK_PARAM( st_type ) || CHECK_PARAM( vi_type ) ) |
| { |
| UPDATE_PARAM( st_type ); |
| UPDATE_PARAM( vi_type ); |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_STREAM_TYPE, 1, 0, mpeg_stream_types[params->st_type]); |
| } |
| |
| /* assign framerate */ |
| if( params->vi_frame_rate <= 25 ) |
| params->vi_frame_rate = 25; |
| else |
| params->vi_frame_rate = 30; |
| IF_PARAM( vi_frame_rate ) |
| { |
| UPDATE_PARAM( vi_frame_rate ); |
| if( params->vi_frame_rate == 25 ) |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_PAL_25); |
| else |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_NTSC_30); |
| } |
| |
| /* assign aspect ratio */ |
| if( params->vi_aspect_ratio >= ARRAY_SIZE(mpeg_stream_ratios) ) |
| params->vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3; |
| IF_PARAM( vi_aspect_ratio ) |
| { |
| UPDATE_PARAM( vi_aspect_ratio ); |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_ASPECT_RATIO, 1, 0, mpeg_stream_ratios[params->vi_aspect_ratio]); |
| } |
| |
| /* assign gop properties */ |
| if( CHECK_PARAM( vi_frames_per_gop ) || CHECK_PARAM( vi_bframes_count ) ) |
| { |
| UPDATE_PARAM( vi_frames_per_gop ); |
| UPDATE_PARAM( vi_bframes_count ); |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_STRUCTURE, 2, 0, params->vi_frames_per_gop, params->vi_bframes_count+1); |
| } |
| |
| /* assign gop closure */ |
| IF_PARAM( closed_gops ) |
| { |
| UPDATE_PARAM( closed_gops ); |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_CLOSURE, 1, 0, params->closed_gops); |
| } |
| |
| /* assign 3 2 pulldown */ |
| IF_PARAM( pulldown ) |
| { |
| UPDATE_PARAM( pulldown ); |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_3_2_PULLDOWN, 1, 0, params->pulldown); |
| } |
| |
| /* make sure the params are within bounds */ |
| if( params->st_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) ) |
| params->vi_bitrate.mode = V4L2_BITRATE_NONE; |
| if( params->vi_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) ) |
| params->vi_bitrate.mode = V4L2_BITRATE_NONE; |
| if( params->au_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) ) |
| params->au_bitrate.mode = V4L2_BITRATE_NONE; |
| |
| /* assign audio properties */ |
| /* note: it's not necessary to set the samplerate, the mpeg encoder seems to autodetect/adjust */ |
| au_params = BLACKBIRD_AUDIO_BITS_STEREO | |
| /* BLACKBIRD_AUDIO_BITS_BOUND_4 | */ |
| BLACKBIRD_AUDIO_BITS_EMPHASIS_NONE | |
| BLACKBIRD_AUDIO_BITS_CRC_OFF | |
| BLACKBIRD_AUDIO_BITS_COPYRIGHT_OFF | |
| BLACKBIRD_AUDIO_BITS_COPY | |
| 0; |
| if( params->au_sample_rate < 32000 ) |
| { |
| params->au_sample_rate = 32000; |
| au_params |= BLACKBIRD_AUDIO_BITS_32000HZ; |
| } |
| else if( params->au_sample_rate < 44100 ) |
| { |
| params->au_sample_rate = 44100; |
| au_params |= BLACKBIRD_AUDIO_BITS_44100HZ; |
| } |
| else |
| { |
| params->au_sample_rate = 48000; |
| au_params |= BLACKBIRD_AUDIO_BITS_48000HZ; |
| } |
| if( params->au_type == V4L2_MPEG_AU_2_I ) |
| { |
| au_params |= BLACKBIRD_AUDIO_BITS_LAYER_1; |
| } |
| else |
| { |
| /* TODO: try to handle the other formats more gracefully */ |
| params->au_type = V4L2_MPEG_AU_2_II; |
| au_params |= BLACKBIRD_AUDIO_BITS_LAYER_2; |
| } |
| if( params->au_bitrate.mode ) |
| { |
| int layer; |
| |
| if( params->au_bitrate.mode == V4L2_BITRATE_CBR ) |
| params->au_bitrate.max = params->vi_bitrate.target; |
| else |
| params->au_bitrate.target = params->vi_bitrate.max; |
| |
| layer = params->au_type; |
| if( params->au_bitrate.target == 0 ) |
| { |
| /* TODO: use the minimum possible bitrate instead of 0 ? */ |
| au_params |= 0; |
| } |
| else if( params->au_bitrate.target >= |
| mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].rate ) |
| { |
| /* clamp the bitrate to the max supported by the standard */ |
| params->au_bitrate.target = mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].rate; |
| params->au_bitrate.max = params->au_bitrate.target; |
| au_params |= mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].bits; |
| } |
| else |
| { |
| /* round up to the nearest supported bitrate */ |
| int i; |
| for(i = 1; i < BITRATES_SIZE; i++) |
| { |
| if( params->au_bitrate.target > mpeg_audio_bitrates[i-1].layer[layer].rate && |
| params->au_bitrate.target <= mpeg_audio_bitrates[i].layer[layer].rate ) |
| { |
| params->au_bitrate.target = mpeg_audio_bitrates[i].layer[layer].rate; |
| params->au_bitrate.max = params->au_bitrate.target; |
| au_params |= mpeg_audio_bitrates[i].layer[layer].bits; |
| break; |
| } |
| } |
| } |
| } |
| else |
| { |
| /* TODO: ??? */ |
| params->au_bitrate.target = params->au_bitrate.max = 0; |
| au_params |= 0; |
| } |
| if( CHECK_PARAM( au_type ) || CHECK_PARAM( au_sample_rate ) |
| || CHECK_PARAM( au_bitrate.mode ) || CHECK_PARAM( au_bitrate.max ) |
| || CHECK_PARAM( au_bitrate.target ) |
| ) |
| { |
| UPDATE_PARAM( au_type ); |
| UPDATE_PARAM( au_sample_rate ); |
| UPDATE_PARAM( au_bitrate ); |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_AUDIO_PARAMS, 1, 0, au_params ); |
| } |
| |
| /* assign bitrates */ |
| if( params->vi_bitrate.mode ) |
| { |
| /* bitrate is set, let's figure out the cbr/vbr mess */ |
| if( params->vi_bitrate.max < params->vi_bitrate.target ) |
| { |
| if( params->vi_bitrate.mode == V4L2_BITRATE_CBR ) |
| params->vi_bitrate.max = params->vi_bitrate.target; |
| else |
| params->vi_bitrate.target = params->vi_bitrate.max; |
| } |
| } |
| else |
| { |
| if( params->st_bitrate.max < params->st_bitrate.target ) |
| { |
| if( params->st_bitrate.mode == V4L2_BITRATE_VBR ) |
| params->st_bitrate.target = params->st_bitrate.max; |
| else |
| params->st_bitrate.max = params->st_bitrate.target; |
| } |
| /* calculate vi_bitrate = st_bitrate - au_bitrate */ |
| params->vi_bitrate.max = params->st_bitrate.max - params->au_bitrate.max; |
| params->vi_bitrate.target = params->st_bitrate.target - params->au_bitrate.target; |
| } |
| UPDATE_PARAM( st_bitrate ); |
| if( CHECK_PARAM( vi_bitrate.mode ) || CHECK_PARAM( vi_bitrate.max ) |
| || CHECK_PARAM( vi_bitrate.target ) |
| ) |
| { |
| UPDATE_PARAM( vi_bitrate ); |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_VIDEO_BITRATE, 4, 0, |
| mpeg_video_bitrates[params->vi_bitrate.mode], |
| params->vi_bitrate.target * 1000, /* kbps -> bps */ |
| params->vi_bitrate.max * 1000 / BLACKBIRD_PEAK_RATE_DIVISOR, /* peak/400 */ |
| BLACKBIRD_MUX_RATE_DEFAULT /*, 0x70*/); /* encoding buffer, ckennedy */ |
| } |
| |
| /* TODO: implement the stream ID stuff: |
| ts_pid_pmt, ts_pid_audio, ts_pid_video, ts_pid_pcr, |
| ps_size, au_pesid, vi_pesid |
| */ |
| UPDATE_PARAM( ts_pid_pmt ); |
| UPDATE_PARAM( ts_pid_audio ); |
| UPDATE_PARAM( ts_pid_video ); |
| UPDATE_PARAM( ts_pid_pcr ); |
| UPDATE_PARAM( ps_size ); |
| UPDATE_PARAM( au_pesid ); |
| UPDATE_PARAM( vi_pesid ); |
| } |
| |
| static void blackbird_set_default_dnr_params(struct cx8802_dev *dev) |
| { |
| /* assign dnr filter mode */ |
| if( dev->dnr_params.mode > BLACKBIRD_DNR_BITS_AUTO ) |
| dev->dnr_params.mode = BLACKBIRD_DNR_BITS_MANUAL; |
| if( dev->dnr_params.type > BLACKBIRD_MEDIAN_FILTER_DIAGONAL ) |
| dev->dnr_params.type = BLACKBIRD_MEDIAN_FILTER_DISABLED; |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_DNR_MODE, 2, 0, |
| dev->dnr_params.mode, |
| dev->dnr_params.type |
| ); |
| |
| /* assign dnr filter props*/ |
| if( dev->dnr_params.spatial > 15 ) |
| dev->dnr_params.spatial = 15; |
| if( dev->dnr_params.temporal > 31 ) |
| dev->dnr_params.temporal = 31; |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_MANUAL_DNR, 2, 0, |
| dev->dnr_params.spatial, |
| dev->dnr_params.temporal |
| ); |
| } |
| #define CHECK_DNR_PARAM( name ) ( dev->dnr_params.name != dnr_params->name ) |
| #define UPDATE_DNR_PARAM( name ) dev->dnr_params.name = dnr_params->name |
| void blackbird_set_dnr_params(struct cx8802_dev *dev, struct blackbird_dnr* dnr_params) |
| { |
| /* assign dnr filter mode */ |
| /* clamp values */ |
| if( dnr_params->mode > BLACKBIRD_DNR_BITS_AUTO ) |
| dnr_params->mode = BLACKBIRD_DNR_BITS_MANUAL; |
| if( dnr_params->type > BLACKBIRD_MEDIAN_FILTER_DIAGONAL ) |
| dnr_params->type = BLACKBIRD_MEDIAN_FILTER_DISABLED; |
| /* check if the params actually changed */ |
| if( CHECK_DNR_PARAM( mode ) || CHECK_DNR_PARAM( type ) ) |
| { |
| UPDATE_DNR_PARAM( mode ); |
| UPDATE_DNR_PARAM( type ); |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_DNR_MODE, 2, 0, dnr_params->mode, dnr_params->type); |
| } |
| |
| /* assign dnr filter props*/ |
| if( dnr_params->spatial > 15 ) |
| dnr_params->spatial = 15; |
| if( dnr_params->temporal > 31 ) |
| dnr_params->temporal = 31; |
| if( CHECK_DNR_PARAM( spatial ) || CHECK_DNR_PARAM( temporal ) ) |
| { |
| UPDATE_DNR_PARAM( spatial ); |
| UPDATE_DNR_PARAM( temporal ); |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_MANUAL_DNR, 2, 0, dnr_params->spatial, dnr_params->temporal); |
| } |
| } |
| |
| static void blackbird_codec_settings(struct cx8802_dev *dev) |
| { |
| |
| /* assign output port */ |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_OUTPUT_PORT, 1, 0, BLACKBIRD_OUTPUT_PORT_STREAMING); /* Host */ |
| |
| /* assign frame size */ |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_RESOLUTION, 2, 0, |
| dev->height, dev->width); |
| |
| /* assign coring levels (luma_h, luma_l, chroma_h, chroma_l) */ |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_DNR_MEDIAN, 4, 0, 0, 255, 0, 255); |
| |
| /* assign spatial filter type: luma_t: horiz_only, chroma_t: horiz_only */ |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_SPATIAL_FILTER, 2, 0, |
| BLACKBIRD_SPATIAL_FILTER_LUMA_1D_HORIZ, |
| BLACKBIRD_SPATIAL_FILTER_CHROMA_1D_HORIZ |
| ); |
| |
| /* assign frame drop rate */ |
| /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAME_DROP_RATE, 1, 0, 0); */ |
| |
| blackbird_set_default_params(dev); |
| blackbird_set_default_dnr_params(dev); |
| } |
| |
| 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, BLACKBIRD_API_PING, 0, 0); /* ping */ |
| if (retval < 0) { |
| /* ping was not successful, reset and upload firmware */ |
| cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */ |
| msleep(1); |
| cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */ |
| msleep(1); |
| retval = blackbird_load_firmware(dev); |
| if (retval < 0) |
| return retval; |
| |
| dev->mailbox = blackbird_find_mailbox(dev); |
| if (dev->mailbox < 0) |
| return -1; |
| |
| retval = blackbird_api_cmd(dev, BLACKBIRD_API_PING, 0, 0); /* ping */ |
| if (retval < 0) { |
| dprintk(0, "ERROR: Firmware ping failed!\n"); |
| return -1; |
| } |
| |
| retval = blackbird_api_cmd(dev, BLACKBIRD_API_GET_VERSION, 0, 1, &version); |
| if (retval < 0) { |
| dprintk(0, "ERROR: Firmware get encoder version failed!\n"); |
| return -1; |
| } |
| dprintk(0, "Firmware version is 0x%08x\n", version); |
| } |
| msleep(1); |
| |
| cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */ |
| cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */ |
| cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */ |
| cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */ |
| |
| blackbird_codec_settings(dev); |
| msleep(1); |
| |
| /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef); |
| blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0); |
| blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */ |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_CAPTURE_LINES, 2, 0, |
| BLACKBIRD_FIELD1_SAA7115, |
| BLACKBIRD_FIELD1_SAA7115 |
| ); |
| |
| /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */ |
| blackbird_api_cmd(dev, BLACKBIRD_API_SET_CUSTOM_DATA, 12, 0, |
| BLACKBIRD_CUSTOM_EXTENSION_USR_DATA, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); |
| |
| /* initialize the video input */ |
| blackbird_api_cmd(dev, BLACKBIRD_API_INIT_VIDEO_INPUT, 0, 0); |
| |
| msleep(1); |
| |
| blackbird_api_cmd(dev, BLACKBIRD_API_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE); |
| msleep(1); |
| blackbird_api_cmd(dev, BLACKBIRD_API_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE); |
| msleep(1); |
| |
| /* start capturing to the host interface */ |
| /* blackbird_api_cmd(dev, BLACKBIRD_API_BEGIN_CAPTURE, 2, 0, 0, 0x13); */ |
| blackbird_api_cmd(dev, BLACKBIRD_API_BEGIN_CAPTURE, 2, 0, |
| BLACKBIRD_MPEG_CAPTURE, |
| BLACKBIRD_RAW_BITS_NONE |
| ); |
| msleep(10); |
| |
| blackbird_api_cmd(dev, BLACKBIRD_API_REFRESH_INPUT, 0,0); |
| return 0; |
| } |
| |
| /* ------------------------------------------------------------------ */ |
| |
| static int bb_buf_setup(struct videobuf_queue *q, |
| unsigned int *count, unsigned int *size) |
| { |
| struct cx8802_fh *fh = q->priv_data; |
| |
| fh->dev->ts_packet_size = 188 * 4; /* was: 512 */ |
| fh->dev->ts_packet_count = mpegbufs; /* was: 100 */ |
| |
| *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count; |
| *count = fh->dev->ts_packet_count; |
| return 0; |
| } |
| |
| static int |
| bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, |
| enum v4l2_field field) |
| { |
| struct cx8802_fh *fh = q->priv_data; |
| return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field); |
| } |
| |
| static void |
| bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) |
| { |
| struct cx8802_fh *fh = q->priv_data; |
| cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb); |
| } |
| |
| static void |
| bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb) |
| { |
| cx88_free_buffer(q, (struct cx88_buffer*)vb); |
| } |
| |
| static struct videobuf_queue_ops blackbird_qops = { |
| .buf_setup = bb_buf_setup, |
| .buf_prepare = bb_buf_prepare, |
| .buf_queue = bb_buf_queue, |
| .buf_release = bb_buf_release, |
| }; |
| |
| /* ------------------------------------------------------------------ */ |
| |
| static int mpeg_do_ioctl(struct inode *inode, struct file *file, |
| unsigned int cmd, void *arg) |
| { |
| struct cx8802_fh *fh = file->private_data; |
| struct cx8802_dev *dev = fh->dev; |
| struct cx88_core *core = dev->core; |
| |
| if (debug > 1) |
| v4l_print_ioctl(core->name,cmd); |
| |
| switch (cmd) { |
| |
| /* --- capabilities ------------------------------------------ */ |
| case VIDIOC_QUERYCAP: |
| { |
| struct v4l2_capability *cap = arg; |
| |
| memset(cap,0,sizeof(*cap)); |
| strcpy(cap->driver, "cx88_blackbird"); |
| strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card)); |
| sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci)); |
| cap->version = CX88_VERSION_CODE; |
| cap->capabilities = |
| V4L2_CAP_VIDEO_CAPTURE | |
| V4L2_CAP_READWRITE | |
| V4L2_CAP_STREAMING | |
| 0; |
| if (UNSET != core->tuner_type) |
| cap->capabilities |= V4L2_CAP_TUNER; |
| |
| return 0; |
| } |
| |
| /* --- capture ioctls ---------------------------------------- */ |
| case VIDIOC_ENUM_FMT: |
| { |
| struct v4l2_fmtdesc *f = arg; |
| int index; |
| |
| index = f->index; |
| if (index != 0) |
| return -EINVAL; |
| |
| memset(f,0,sizeof(*f)); |
| f->index = index; |
| strlcpy(f->description, "MPEG", sizeof(f->description)); |
| f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| f->pixelformat = V4L2_PIX_FMT_MPEG; |
| return 0; |
| } |
| case VIDIOC_G_FMT: |
| { |
| struct v4l2_format *f = arg; |
| |
| memset(f,0,sizeof(*f)); |
| f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
| f->fmt.pix.bytesperline = 0; |
| f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */ |
| f->fmt.pix.colorspace = 0; |
| f->fmt.pix.width = dev->width; |
| f->fmt.pix.height = dev->height; |
| f->fmt.pix.field = fh->mpegq.field; |
| dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n", |
| dev->width, dev->height, fh->mpegq.field ); |
| return 0; |
| } |
| case VIDIOC_TRY_FMT: |
| { |
| struct v4l2_format *f = arg; |
| |
| f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
| f->fmt.pix.bytesperline = 0; |
| f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */; |
| f->fmt.pix.colorspace = 0; |
| dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n", |
| dev->width, dev->height, fh->mpegq.field ); |
| return 0; |
| } |
| case VIDIOC_S_FMT: |
| { |
| struct v4l2_format *f = arg; |
| |
| f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
| f->fmt.pix.bytesperline = 0; |
| f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */; |
| f->fmt.pix.colorspace = 0; |
| dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n", |
| f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field ); |
| return 0; |
| } |
| |
| /* --- streaming capture ------------------------------------- */ |
| case VIDIOC_REQBUFS: |
| return videobuf_reqbufs(&fh->mpegq, arg); |
| |
| case VIDIOC_QUERYBUF: |
| return videobuf_querybuf(&fh->mpegq, arg); |
| |
| case VIDIOC_QBUF: |
| return videobuf_qbuf(&fh->mpegq, arg); |
| |
| case VIDIOC_DQBUF: |
| return videobuf_dqbuf(&fh->mpegq, arg, |
| file->f_flags & O_NONBLOCK); |
| |
| case VIDIOC_STREAMON: |
| return videobuf_streamon(&fh->mpegq); |
| |
| case VIDIOC_STREAMOFF: |
| return videobuf_streamoff(&fh->mpegq); |
| |
| /* --- mpeg compression -------------------------------------- */ |
| case VIDIOC_G_MPEGCOMP: |
| { |
| struct v4l2_mpeg_compression *f = arg; |
| |
| memcpy(f,&dev->params,sizeof(*f)); |
| return 0; |
| } |
| case VIDIOC_S_MPEGCOMP: |
| { |
| struct v4l2_mpeg_compression *f = arg; |
| |
| blackbird_set_params(dev, f); |
| return 0; |
| } |
| |
| default: |
| return cx88_do_ioctl( inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook ); |
| } |
| return 0; |
| } |
| |
| int (*cx88_ioctl_hook)(struct inode *inode, struct file *file, |
| unsigned int cmd, void *arg); |
| unsigned int (*cx88_ioctl_translator)(unsigned int cmd); |
| |
| static unsigned int mpeg_translate_ioctl(unsigned int cmd) |
| { |
| return cmd; |
| } |
| |
| static int mpeg_ioctl(struct inode *inode, struct file *file, |
| unsigned int cmd, unsigned long arg) |
| { |
| cmd = cx88_ioctl_translator( cmd ); |
| return video_usercopy(inode, file, cmd, arg, cx88_ioctl_hook); |
| } |
| |
| static int mpeg_open(struct inode *inode, struct file *file) |
| { |
| int minor = iminor(inode); |
| struct cx8802_dev *h,*dev = NULL; |
| struct cx8802_fh *fh; |
| struct list_head *list; |
| |
| list_for_each(list,&cx8802_devlist) { |
| h = list_entry(list, struct cx8802_dev, devlist); |
| if (h->mpeg_dev->minor == minor) |
| dev = h; |
| } |
| if (NULL == dev) |
| return -ENODEV; |
| |
| if (blackbird_initialize_codec(dev) < 0) |
| return -EINVAL; |
| dprintk(1,"open minor=%d\n",minor); |
| |
| /* allocate + initialize per filehandle data */ |
| fh = kzalloc(sizeof(*fh),GFP_KERNEL); |
| if (NULL == fh) |
| return -ENOMEM; |
| file->private_data = fh; |
| fh->dev = dev; |
| |
| videobuf_queue_init(&fh->mpegq, &blackbird_qops, |
| dev->pci, &dev->slock, |
| V4L2_BUF_TYPE_VIDEO_CAPTURE, |
| V4L2_FIELD_INTERLACED, |
| sizeof(struct cx88_buffer), |
| fh); |
| |
| /* FIXME: locking against other video device */ |
| cx88_set_scale(dev->core, dev->width, dev->height, |
| fh->mpegq.field); |
| |
| return 0; |
| } |
| |
| static int mpeg_release(struct inode *inode, struct file *file) |
| { |
| struct cx8802_fh *fh = file->private_data; |
| |
| /* blackbird_api_cmd(fh->dev, BLACKBIRD_API_END_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */ |
| blackbird_api_cmd(fh->dev, BLACKBIRD_API_END_CAPTURE, 3, 0, |
| BLACKBIRD_END_NOW, |
| BLACKBIRD_MPEG_CAPTURE, |
| BLACKBIRD_RAW_BITS_NONE |
| ); |
| |
| /* stop mpeg capture */ |
| if (fh->mpegq.streaming) |
| videobuf_streamoff(&fh->mpegq); |
| if (fh->mpegq.reading) |
| videobuf_read_stop(&fh->mpegq); |
| |
| videobuf_mmap_free(&fh->mpegq); |
| file->private_data = NULL; |
| kfree(fh); |
| return 0; |
| } |
| |
| static ssize_t |
| mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos) |
| { |
| struct cx8802_fh *fh = file->private_data; |
| |
| return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0, |
| file->f_flags & O_NONBLOCK); |
| } |
| |
| static unsigned int |
| mpeg_poll(struct file *file, struct poll_table_struct *wait) |
| { |
| struct cx8802_fh *fh = file->private_data; |
| |
| return videobuf_poll_stream(file, &fh->mpegq, wait); |
| } |
| |
| static int |
| mpeg_mmap(struct file *file, struct vm_area_struct * vma) |
| { |
| struct cx8802_fh *fh = file->private_data; |
| |
| return videobuf_mmap_mapper(&fh->mpegq, vma); |
| } |
| |
| static struct file_operations mpeg_fops = |
| { |
| .owner = THIS_MODULE, |
| .open = mpeg_open, |
| .release = mpeg_release, |
| .read = mpeg_read, |
| .poll = mpeg_poll, |
| .mmap = mpeg_mmap, |
| .ioctl = mpeg_ioctl, |
| .llseek = no_llseek, |
| }; |
| |
| static struct video_device cx8802_mpeg_template = |
| { |
| .name = "cx8802", |
| .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER, |
| .hardware = 0, |
| .fops = &mpeg_fops, |
| .minor = -1, |
| }; |
| |
| /* ------------------------------------------------------------------ */ |
| |
| static void blackbird_unregister_video(struct cx8802_dev *dev) |
| { |
| if (dev->mpeg_dev) { |
| if (-1 != dev->mpeg_dev->minor) |
| video_unregister_device(dev->mpeg_dev); |
| else |
| video_device_release(dev->mpeg_dev); |
| dev->mpeg_dev = NULL; |
| } |
| } |
| |
| static int blackbird_register_video(struct cx8802_dev *dev) |
| { |
| int err; |
| |
| dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci, |
| &cx8802_mpeg_template,"mpeg"); |
| err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1); |
| if (err < 0) { |
| printk(KERN_INFO "%s/2: can't register mpeg device\n", |
| dev->core->name); |
| return err; |
| } |
| printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n", |
| dev->core->name,dev->mpeg_dev->minor & 0x1f); |
| return 0; |
| } |
| |
| /* ----------------------------------------------------------- */ |
| |
| static int __devinit blackbird_probe(struct pci_dev *pci_dev, |
| const struct pci_device_id *pci_id) |
| { |
| struct cx8802_dev *dev; |
| struct cx88_core *core; |
| int err; |
| |
| /* general setup */ |
| core = cx88_core_get(pci_dev); |
| if (NULL == core) |
| return -EINVAL; |
| |
| err = -ENODEV; |
| if (!cx88_boards[core->board].blackbird) |
| goto fail_core; |
| |
| err = -ENOMEM; |
| dev = kzalloc(sizeof(*dev),GFP_KERNEL); |
| if (NULL == dev) |
| goto fail_core; |
| dev->pci = pci_dev; |
| dev->core = core; |
| dev->width = 720; |
| dev->height = 576; |
| memcpy(&dev->params,&default_mpeg_params,sizeof(default_mpeg_params)); |
| memcpy(&dev->dnr_params,&default_dnr_params,sizeof(default_dnr_params)); |
| |
| if (core->board == CX88_BOARD_HAUPPAUGE_ROSLYN) { |
| |
| if (core->tuner_formats & V4L2_STD_525_60) { |
| dev->height = 480; |
| dev->params.vi_frame_rate = 30; |
| } else { |
| dev->height = 576; |
| dev->params.vi_frame_rate = 25; |
| } |
| |
| } |
| |
| err = cx8802_init_common(dev); |
| if (0 != err) |
| goto fail_free; |
| |
| /* blackbird stuff */ |
| printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n", |
| core->name); |
| host_setup(dev->core); |
| |
| list_add_tail(&dev->devlist,&cx8802_devlist); |
| blackbird_register_video(dev); |
| |
| /* initial device configuration: needed ? */ |
| |
| return 0; |
| |
| fail_free: |
| kfree(dev); |
| fail_core: |
| cx88_core_put(core,pci_dev); |
| return err; |
| } |
| |
| static void __devexit blackbird_remove(struct pci_dev *pci_dev) |
| { |
| struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
| |
| /* blackbird */ |
| blackbird_unregister_video(dev); |
| list_del(&dev->devlist); |
| |
| /* common */ |
| cx8802_fini_common(dev); |
| cx88_core_put(dev->core,dev->pci); |
| kfree(dev); |
| } |
| |
| static struct pci_device_id cx8802_pci_tbl[] = { |
| { |
| .vendor = 0x14f1, |
| .device = 0x8802, |
| .subvendor = PCI_ANY_ID, |
| .subdevice = PCI_ANY_ID, |
| },{ |
| /* --- end of list --- */ |
| } |
| }; |
| MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl); |
| |
| static struct pci_driver blackbird_pci_driver = { |
| .name = "cx88-blackbird", |
| .id_table = cx8802_pci_tbl, |
| .probe = blackbird_probe, |
| .remove = __devexit_p(blackbird_remove), |
| .suspend = cx8802_suspend_common, |
| .resume = cx8802_resume_common, |
| }; |
| |
| static int blackbird_init(void) |
| { |
| printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n", |
| (CX88_VERSION_CODE >> 16) & 0xff, |
| (CX88_VERSION_CODE >> 8) & 0xff, |
| CX88_VERSION_CODE & 0xff); |
| #ifdef SNAPSHOT |
| printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", |
| SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); |
| #endif |
| cx88_ioctl_hook = mpeg_do_ioctl; |
| cx88_ioctl_translator = mpeg_translate_ioctl; |
| return pci_register_driver(&blackbird_pci_driver); |
| } |
| |
| static void blackbird_fini(void) |
| { |
| pci_unregister_driver(&blackbird_pci_driver); |
| } |
| |
| module_init(blackbird_init); |
| module_exit(blackbird_fini); |
| |
| EXPORT_SYMBOL(cx88_ioctl_hook); |
| EXPORT_SYMBOL(cx88_ioctl_translator); |
| EXPORT_SYMBOL(blackbird_set_params); |
| EXPORT_SYMBOL(blackbird_set_dnr_params); |
| |
| /* ----------------------------------------------------------- */ |
| /* |
| * Local variables: |
| * c-basic-offset: 8 |
| * End: |
| * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off |
| */ |