/* * * 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 #include #include "cx88.h" MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards"); MODULE_AUTHOR("Jelle Foks , Gerd Knorr [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_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 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 }; enum blackbird_capture_end { BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */ BLACKBIRD_END_NOW, /* stop immediately, no irq */ }; enum blackbird_framerate { BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */ BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */ }; enum blackbird_stream_port { BLACKBIRD_OUTPUT_PORT_MEMORY, BLACKBIRD_OUTPUT_PORT_STREAMING, BLACKBIRD_OUTPUT_PORT_SERIAL }; enum blackbird_data_xfer_status { BLACKBIRD_MORE_BUFFERS_FOLLOW, BLACKBIRD_LAST_BUFFER, }; 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, }; 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, }; enum blackbird_dma_unit { BLACKBIRD_DMA_BYTES, BLACKBIRD_DMA_FRAMES, }; 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, }; enum blackbird_pause { BLACKBIRD_PAUSE_ENCODING, BLACKBIRD_RESUME_ENCODING, }; enum blackbird_copyright { BLACKBIRD_COPYRIGHT_OFF, BLACKBIRD_COPYRIGHT_ON, }; 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, }; 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 */ }; enum blackbird_custom_data_type { BLACKBIRD_CUSTOM_EXTENSION_USR_DATA, BLACKBIRD_CUSTOM_PRIVATE_PACKET, }; 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, }; /* 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; } /* ------------------------------------------------------------------ */ static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA]) { struct cx8802_dev *dev = priv; unsigned long timeout; u32 value, flag, retval; int i; 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 < in; i++) { memory_write(dev->core, dev->mailbox + 4 + i, data[i]); dprintk(1, "API Input %d = %d\n", i, data[i]); } for (; i < CX2341X_MBOX_MAX_DATA; 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 < out; i++) { memory_read(dev->core, dev->mailbox + 4 + i, data + i); dprintk(1, "API Output %d = %d\n", i, data[i]); } 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; } /* ------------------------------------------------------------------ */ /* 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, ...) { u32 data[CX2341X_MBOX_MAX_DATA]; va_list vargs; int i, err; va_start(vargs, outputcnt); for (i = 0; i < inputcnt; i++) { data[i] = va_arg(vargs, int); } err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data); for (i = 0; i < outputcnt; i++) { int *vptr = va_arg(vargs, int *); *vptr = data[i]; } va_end(vargs); return err; } static int blackbird_find_mailbox(struct cx8802_dev *dev) { u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456}; int signaturecnt=0; u32 value; int i; for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) { memory_read(dev->core, i, &value); if (value == signature[signaturecnt]) signaturecnt++; else signaturecnt = 0; if (4 == signaturecnt) { dprintk(1, "Mailbox signature found\n"); return i+1; } } dprintk(0, "Mailbox signature values not found!\n"); return -1; } static int blackbird_load_firmware(struct cx8802_dev *dev) { static const unsigned char magic[8] = { 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa }; const struct firmware *firmware; int i, retval = 0; u32 value = 0; u32 checksum = 0; u32 *dataptr; retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED); retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640); retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A); msleep(1); retval |= register_write(dev->core, IVTV_REG_APU, 0); if (retval < 0) dprintk(0, "Error with register_write\n"); retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME, &dev->pci->dev); if (retval != 0) { dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n", CX2341X_FIRM_ENC_FILENAME); dprintk(0, "Please fix your hotplug setup, the board will " "not work without firmware loaded!\n"); return -1; } if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) { dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n", firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE); 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 void blackbird_codec_settings(struct cx8802_dev *dev) { /* assign frame size */ blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, dev->height, dev->width); dev->params.width = dev->width; dev->params.height = dev->height; dev->params.is_50hz = (dev->core->tvnorm->id & V4L2_STD_625_50) != 0; cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params); } static struct v4l2_mpeg_compression default_mpeg_params = { .st_type = V4L2_MPEG_PS_2, .st_bitrate = { .mode = V4L2_BITRATE_CBR, .min = 0, .target = 0, .max = 0 }, .ts_pid_pmt = 16, .ts_pid_audio = 260, .ts_pid_video = 256, .ts_pid_pcr = 259, .ps_size = 0, .au_type = V4L2_MPEG_AU_2_II, .au_bitrate = { .mode = V4L2_BITRATE_CBR, .min = 224, .target = 224, .max = 224 }, .au_sample_rate = 48000, .au_pesid = 0, .vi_type = V4L2_MPEG_VI_2, .vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3, .vi_bitrate = { .mode = V4L2_BITRATE_CBR, .min = 4000, .target = 4500, .max = 6000 }, .vi_frame_rate = 25, .vi_frames_per_gop = 12, .vi_bframes_count = 2, .vi_pesid = 0, .closed_gops = 1, .pulldown = 0 }; static int blackbird_initialize_codec(struct cx8802_dev *dev) { struct cx88_core *core = dev->core; int version; int retval; dprintk(1,"Initialize codec\n"); retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ if (retval < 0) { /* ping was not successful, reset and upload firmware */ cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */ msleep(1); cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */ msleep(1); retval = blackbird_load_firmware(dev); if (retval < 0) return retval; dev->mailbox = blackbird_find_mailbox(dev); if (dev->mailbox < 0) return -1; retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ if (retval < 0) { dprintk(0, "ERROR: Firmware ping failed!\n"); return -1; } retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version); if (retval < 0) { dprintk(0, "ERROR: Firmware get encoder version failed!\n"); return -1; } dprintk(0, "Firmware version is 0x%08x\n", version); } msleep(1); cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */ cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */ cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */ cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */ blackbird_codec_settings(dev); msleep(1); /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef); blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0); blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */ blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0, BLACKBIRD_FIELD1_SAA7115, BLACKBIRD_FIELD2_SAA7115 ); /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */ blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0, BLACKBIRD_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); /* initialize the video input */ blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0); msleep(1); blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE); msleep(1); blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE); msleep(1); /* start capturing to the host interface */ /* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */ blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE ); msleep(10); blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0); return 0; } /* ------------------------------------------------------------------ */ static int bb_buf_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) { struct cx8802_fh *fh = q->priv_data; fh->dev->ts_packet_size = 188 * 4; /* was: 512 */ fh->dev->ts_packet_count = mpegbufs; /* was: 100 */ *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count; *count = fh->dev->ts_packet_count; return 0; } static int bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, enum v4l2_field field) { struct cx8802_fh *fh = q->priv_data; return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field); } static void bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) { struct cx8802_fh *fh = q->priv_data; cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb); } static void bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb) { cx88_free_buffer(q, (struct cx88_buffer*)vb); } static struct videobuf_queue_ops blackbird_qops = { .buf_setup = bb_buf_setup, .buf_prepare = bb_buf_prepare, .buf_queue = bb_buf_queue, .buf_release = bb_buf_release, }; /* ------------------------------------------------------------------ */ static 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; printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. " "Replace with VIDIOC_G_EXT_CTRLS!"); memcpy(f,&default_mpeg_params,sizeof(*f)); return 0; } case VIDIOC_S_MPEGCOMP: printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. " "Replace with VIDIOC_S_EXT_CTRLS!"); return 0; case VIDIOC_G_EXT_CTRLS: { struct v4l2_ext_controls *f = arg; if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) return -EINVAL; return cx2341x_ext_ctrls(&dev->params, f, cmd); } case VIDIOC_S_EXT_CTRLS: case VIDIOC_TRY_EXT_CTRLS: { struct v4l2_ext_controls *f = arg; struct cx2341x_mpeg_params p; int err; if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) return -EINVAL; p = dev->params; err = cx2341x_ext_ctrls(&p, f, cmd); if (err == 0 && cmd == VIDIOC_S_EXT_CTRLS) { err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p); dev->params = p; } return err; } case VIDIOC_S_FREQUENCY: { blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE); cx88_do_ioctl( inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook ); blackbird_initialize_codec(dev); cx88_set_scale(dev->core, dev->width, dev->height, fh->mpegq.field); 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, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */ blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE ); cx8802_cancel_buffers(fh->dev); /* stop mpeg capture */ if (fh->mpegq.streaming) videobuf_streamoff(&fh->mpegq); if (fh->mpegq.reading) videobuf_read_stop(&fh->mpegq); videobuf_mmap_free(&fh->mpegq); file->private_data = NULL; kfree(fh); 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; cx2341x_fill_defaults(&dev->params); dev->params.port = CX2341X_PORT_STREAMING; if (core->tvnorm->id & V4L2_STD_525_60) { dev->height = 480; } else { dev->height = 576; } 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); /* ----------------------------------------------------------- */ /* * 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 */