/* * $Id: cx88-blackbird.c,v 1.26 2005/03/07 15:58:05 kraxel Exp $ * * Support for a cx23416 mpeg encoder via cx2388x host port. * "blackbird" reference design. * * (c) 2004 Jelle Foks * (c) 2004 Gerd Knorr * * 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 #include #include #include #include #include #include #include "cx88.h" MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards"); MODULE_AUTHOR("Jelle Foks "); MODULE_AUTHOR("Gerd Knorr [SuSE Labs]"); MODULE_LICENSE("GPL"); static unsigned int mpegbufs = 8; 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_ENC_PING_FW 0x00000080 #define IVTV_API_ENC_GETVER 0x000000C4 #define IVTV_API_ENC_HALT_FW 0x000000C3 #define IVTV_API_STD_TIMEOUT 0x00010000 /*units??*/ //#define IVTV_API_ASSIGN_PGM_INDEX_INFO 0x000000c7 #define IVTV_API_ASSIGN_STREAM_TYPE 0x000000b9 #define IVTV_API_ASSIGN_OUTPUT_PORT 0x000000bb #define IVTV_API_ASSIGN_FRAMERATE 0x0000008f #define IVTV_API_ASSIGN_FRAME_SIZE 0x00000091 #define IVTV_API_ASSIGN_ASPECT_RATIO 0x00000099 #define IVTV_API_ASSIGN_BITRATES 0x00000095 #define IVTV_API_ASSIGN_GOP_PROPERTIES 0x00000097 #define IVTV_API_ASSIGN_3_2_PULLDOWN 0x000000b1 #define IVTV_API_ASSIGN_GOP_CLOSURE 0x000000c5 #define IVTV_API_ASSIGN_AUDIO_PROPERTIES 0x000000bd #define IVTV_API_ASSIGN_DNR_FILTER_MODE 0x0000009b #define IVTV_API_ASSIGN_DNR_FILTER_PROPS 0x0000009d #define IVTV_API_ASSIGN_CORING_LEVELS 0x0000009f #define IVTV_API_ASSIGN_SPATIAL_FILTER_TYPE 0x000000a1 #define IVTV_API_ASSIGN_FRAME_DROP_RATE 0x000000d0 #define IVTV_API_ASSIGN_PLACEHOLDER 0x000000d8 #define IVTV_API_MUTE_VIDEO 0x000000d9 #define IVTV_API_MUTE_AUDIO 0x000000da #define IVTV_API_INITIALIZE_INPUT 0x000000cd #define IVTV_API_REFRESH_INPUT 0x000000d3 #define IVTV_API_ASSIGN_NUM_VSYNC_LINES 0x000000d6 #define IVTV_API_BEGIN_CAPTURE 0x00000081 //#define IVTV_API_PAUSE_ENCODER 0x000000d2 //#define IVTV_API_EVENT_NOTIFICATION 0x000000d5 #define IVTV_API_END_CAPTURE 0x00000082 /* 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; } static void blackbird_codec_settings(struct cx8802_dev *dev) { int bitrate_mode = 1; int bitrate = 7500000; int bitrate_peak = 7500000; /* assign stream type */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 0); /* program stream */ //blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 2); /* MPEG1 stream */ //blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 3); /* PES A/V */ //blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 10); /* DVD stream */ /* assign output port */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_OUTPUT_PORT, 1, 0, 1); /* 1 = Host */ /* assign framerate */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAMERATE, 1, 0, 0); /* assign frame size */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAME_SIZE, 2, 0, dev->height, dev->width); /* assign aspect ratio */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_ASPECT_RATIO, 1, 0, 2); /* assign bitrates */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_BITRATES, 5, 0, bitrate_mode, /* mode */ bitrate, /* bps */ bitrate_peak / 400, /* peak/400 */ 0, 0x70); /* encoding buffer, ckennedy */ /* assign gop properties */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_GOP_PROPERTIES, 2, 0, 15, 3); //blackbird_api_cmd(dev, IVTV_API_ASSIGN_GOP_PROPERTIES, 2, 0, 2, 1); /* assign 3 2 pulldown */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_3_2_PULLDOWN, 1, 0, 0); /* note: it's not necessary to set the samplerate, the mpeg encoder seems to autodetect/adjust */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, (2<<2) | (8<<4)); /* assign gop closure */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_GOP_CLOSURE, 1, 0, 0); /* assign audio properties */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, 0 | (2 << 2) | (14 << 4)); /* assign dnr filter mode */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_DNR_FILTER_MODE, 2, 0, 0, 0); /* assign dnr filter props*/ blackbird_api_cmd(dev, IVTV_API_ASSIGN_DNR_FILTER_PROPS, 2, 0, 0, 0); /* assign coring levels (luma_h, luma_l, chroma_h, chroma_l) */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_CORING_LEVELS, 4, 0, 0, 255, 0, 255); /* assign spatial filter type: luma_t: 1 = horiz_only, chroma_t: 1 = horiz_only */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_SPATIAL_FILTER_TYPE, 2, 0, 1, 1); /* assign frame drop rate */ blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAME_DROP_RATE, 1, 0, 0); } static int blackbird_initialize_codec(struct cx8802_dev *dev) { struct cx88_core *core = dev->core; int version; int retval; dprintk(1,"Initialize codec\n"); retval = blackbird_api_cmd(dev, IVTV_API_ENC_PING_FW, 0, 0); /* ping */ if (retval < 0) { /* ping was not successful, reset and upload firmware */ cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */ msleep(1); cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */ msleep(1); retval = blackbird_load_firmware(dev); if (retval < 0) return retval; dev->mailbox = blackbird_find_mailbox(dev); if (dev->mailbox < 0) return -1; retval = blackbird_api_cmd(dev, IVTV_API_ENC_PING_FW, 0, 0); /* ping */ if (retval < 0) { dprintk(0, "ERROR: Firmware ping failed!\n"); return -1; } retval = blackbird_api_cmd(dev, IVTV_API_ENC_GETVER, 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 */ #if 0 /* FIXME */ set_scale(dev, 720, 480, V4L2_FIELD_INTERLACED); #endif 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, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); blackbird_api_cmd(dev, IVTV_API_INITIALIZE_INPUT, 0, 0); /* initialize the video input */ msleep(1); blackbird_api_cmd(dev, IVTV_API_MUTE_VIDEO, 1, 0, 0); msleep(1); blackbird_api_cmd(dev, IVTV_API_MUTE_AUDIO, 1, 0, 0); msleep(1); blackbird_api_cmd(dev, IVTV_API_BEGIN_CAPTURE, 2, 0, 0, 0x13); /* start capturing to the host interface */ //blackbird_api_cmd(dev, IVTV_API_BEGIN_CAPTURE, 2, 0, 0, 0); /* start capturing to the host interface */ msleep(1); blackbird_api_cmd(dev, IVTV_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 = 512; fh->dev->ts_packet_count = 100; *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count; if (0 == *count) *count = mpegbufs; if (*count < 2) *count = 2; if (*count > 32) *count = 32; 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(fh->dev, (struct cx88_buffer*)vb); } 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) { struct cx8802_fh *fh = q->priv_data; cx88_free_buffer(fh->dev->pci, (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; if (debug > 1) cx88_print_ioctl(dev->core->name,cmd); switch (cmd) { /* --- 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 TS", sizeof(f->description)); f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; f->pixelformat = V4L2_PIX_FMT_MPEG; return 0; } case VIDIOC_G_FMT: case VIDIOC_S_FMT: case VIDIOC_TRY_FMT: { /* FIXME -- quick'n'dirty for exactly one size ... */ struct v4l2_format *f = arg; memset(f,0,sizeof(*f)); f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; f->fmt.pix.width = dev->width; f->fmt.pix.height = dev->height; f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; f->fmt.pix.sizeimage = 1024 * 512 /* FIXME: BUFFER_SIZE */; } /* --- 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); default: return -EINVAL; } return 0; } static int mpeg_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { return video_usercopy(inode, file, cmd, arg, mpeg_do_ioctl); } 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 = kmalloc(sizeof(*fh),GFP_KERNEL); if (NULL == fh) return -ENOMEM; memset(fh,0,sizeof(*fh)); file->private_data = fh; fh->dev = dev; /* FIXME: locking against other video device */ cx88_set_scale(dev->core, dev->width, dev->height, V4L2_FIELD_INTERLACED); videobuf_queue_init(&fh->mpegq, &blackbird_qops, dev->pci, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP, sizeof(struct cx88_buffer), fh); return 0; } static int mpeg_release(struct inode *inode, struct file *file) { struct cx8802_fh *fh = file->private_data; blackbird_api_cmd(fh->dev, IVTV_API_END_CAPTURE, 3, 0, 1, 0, 0x13); /* 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 = kmalloc(sizeof(*dev),GFP_KERNEL); if (NULL == dev) goto fail_core; memset(dev,0,sizeof(*dev)); dev->pci = pci_dev; dev->core = core; dev->width = 720; dev->height = 480; 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); 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 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); /* ----------------------------------------------------------- */ /* * Local variables: * c-basic-offset: 8 * End: */