| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Hans Verkuil | 3484 | 56.91% | 33 | 37.50% |
| Gerd Knorr | 877 | 14.33% | 3 | 3.41% |
| Mauro Carvalho Chehab | 756 | 12.35% | 16 | 18.18% |
| Catalin Climov | 414 | 6.76% | 2 | 2.27% |
| Steven Toth | 189 | 3.09% | 2 | 2.27% |
| Jelle Foks | 181 | 2.96% | 2 | 2.27% |
| Michael Ira Krufky | 40 | 0.65% | 8 | 9.09% |
| Junghak Sung | 37 | 0.60% | 1 | 1.14% |
| Darron Broad | 36 | 0.59% | 1 | 1.14% |
| Valentin Zagura | 28 | 0.46% | 1 | 1.14% |
| Magnus Damm | 13 | 0.21% | 1 | 1.14% |
| Laurent Pinchart | 12 | 0.20% | 2 | 2.27% |
| Jonathan Nieder | 12 | 0.20% | 3 | 3.41% |
| Frederic Cand | 10 | 0.16% | 2 | 2.27% |
| Roel Kluin | 8 | 0.13% | 1 | 1.14% |
| Trent Piepho | 5 | 0.08% | 1 | 1.14% |
| Lad Prabhakar | 4 | 0.07% | 1 | 1.14% |
| Christophe Jaillet | 4 | 0.07% | 1 | 1.14% |
| Tejun Heo | 3 | 0.05% | 1 | 1.14% |
| Thomas Gleixner | 2 | 0.03% | 1 | 1.14% |
| Peter Hüwe | 2 | 0.03% | 1 | 1.14% |
| Harvey Harrison | 2 | 0.03% | 1 | 1.14% |
| Bhumika Goyal | 1 | 0.02% | 1 | 1.14% |
| Julia Lawall | 1 | 0.02% | 1 | 1.14% |
| Arjan van de Ven | 1 | 0.02% | 1 | 1.14% |
| Total | 6122 | 88 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * Support for a cx23416 mpeg encoder via cx2388x host port. * "blackbird" reference design. * * (c) 2004 Jelle Foks <jelle@foks.us> * (c) 2004 Gerd Knorr <kraxel@bytesex.org> * * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@kernel.org> * - video_ioctl2 conversion * * Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/> */ #include "cx88.h" #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/fs.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/firmware.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-event.h> #include <media/drv-intf/cx2341x.h> MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards"); MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); MODULE_LICENSE("GPL v2"); MODULE_VERSION(CX88_VERSION); static unsigned int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "enable debug messages [blackbird]"); #define dprintk(level, fmt, arg...) do { \ if (debug + 1 > level) \ printk(KERN_DEBUG pr_fmt("%s: blackbird:" fmt), \ __func__, ##arg); \ } while (0) /* ------------------------------------------------------------------ */ #define BLACKBIRD_FIRM_IMAGE_SIZE 376836 /* 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, u32 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", __func__, 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 -EIO; } memory_read(dev->core, dev->mailbox, &flag); if (flag) { dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag); return -EIO; } 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 */ /* timeout */ memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_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(1000); for (;;) { memory_read(dev->core, dev->mailbox, &flag); if (0 != (flag & 4)) break; if (time_after(jiffies, timeout)) { dprintk(0, "ERROR: API Mailbox timeout %x\n", command); return -EIO; } 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 (signaturecnt == 4) { dprintk(1, "Mailbox signature found\n"); return i + 1; } } dprintk(0, "Mailbox signature values not found!\n"); return -EIO; } 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; __le32 *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); usleep_range(10000, 20000); 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) { pr_err("Hotplug firmware request failed (%s).\n", CX2341X_FIRM_ENC_FILENAME); pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n"); return -EIO; } if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) { pr_err("Firmware size mismatch (have %zd, expected %d)\n", firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE); release_firmware(firmware); return -EINVAL; } if (memcmp(firmware->data, magic, 8) != 0) { pr_err("Firmware magic mismatch, wrong file?\n"); release_firmware(firmware); return -EINVAL; } /* transfer to the chip */ dprintk(1, "Loading firmware ...\n"); dataptr = (__le32 *)firmware->data; for (i = 0; i < (firmware->size >> 2); i++) { value = le32_to_cpu(*dataptr); checksum += ~value; memory_write(dev->core, i, value); dataptr++; } /* read back to verify with the checksum */ for (i--; i >= 0; i--) { memory_read(dev->core, i, &value); checksum -= ~value; } release_firmware(firmware); if (checksum) { pr_err("Firmware load might have failed (checksum mismatch).\n"); return -EIO; } dprintk(0, "Firmware upload successful.\n"); retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); retval |= register_read(dev->core, IVTV_REG_SPU, &value); retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE); usleep_range(10000, 20000); retval |= register_read(dev->core, IVTV_REG_VPU, &value); retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8); if (retval < 0) dprintk(0, "Error with register_write\n"); return 0; } /* * Settings used by the windows tv app for PVR2000: * ================================================================================================================= * Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode * ----------------------------------------------------------------------------------------------------------------- * MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo * MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo * VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo * DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo * DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo * ================================================================================================================= * [*] DB: "DirectBurn" */ static void blackbird_codec_settings(struct cx8802_dev *dev) { struct cx88_core *core = dev->core; /* assign frame size */ blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, core->height, core->width); dev->cxhdl.width = core->width; dev->cxhdl.height = core->height; cx2341x_handler_set_50hz(&dev->cxhdl, dev->core->tvnorm & V4L2_STD_625_50); cx2341x_handler_setup(&dev->cxhdl); } static int blackbird_initialize_codec(struct cx8802_dev *dev) { struct cx88_core *core = dev->core; int version; int retval; dprintk(1, "Initialize codec\n"); retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ if (retval < 0) { /* ping was not successful, reset and upload firmware */ cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */ cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */ retval = blackbird_load_firmware(dev); if (retval < 0) return retval; retval = blackbird_find_mailbox(dev); if (retval < 0) return -1; dev->mailbox = retval; /* ping */ retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); if (retval < 0) { dprintk(0, "ERROR: Firmware ping failed!\n"); return -1; } retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version); if (retval < 0) { dprintk(0, "ERROR: Firmware get encoder version failed!\n"); return -1; } dprintk(0, "Firmware version is 0x%08x\n", version); } cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */ cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */ cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */ cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */ blackbird_codec_settings(dev); blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0, BLACKBIRD_FIELD1_SAA7115, BLACKBIRD_FIELD2_SAA7115); blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0, BLACKBIRD_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); return 0; } static int blackbird_start_codec(struct cx8802_dev *dev) { struct cx88_core *core = dev->core; /* start capturing to the host interface */ u32 reg; int i; int lastchange = -1; int lastval = 0; for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) { reg = cx_read(AUD_STATUS); dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg); if ((reg & 0x0F) != lastval) { lastval = reg & 0x0F; lastchange = i; } msleep(100); } /* unmute audio source */ cx_clear(AUD_VOL_CTL, (1 << 6)); blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0); /* initialize the video input */ blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0); cx2341x_handler_set_busy(&dev->cxhdl, 1); /* start capturing to the host interface */ blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE); return 0; } static int blackbird_stop_codec(struct cx8802_dev *dev) { blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE); cx2341x_handler_set_busy(&dev->cxhdl, 0); return 0; } /* ------------------------------------------------------------------ */ static int queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], struct device *alloc_devs[]) { struct cx8802_dev *dev = q->drv_priv; *num_planes = 1; dev->ts_packet_size = 188 * 4; dev->ts_packet_count = 32; sizes[0] = dev->ts_packet_size * dev->ts_packet_count; return 0; } static int buffer_prepare(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct cx8802_dev *dev = vb->vb2_queue->drv_priv; struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb); return cx8802_buf_prepare(vb->vb2_queue, dev, buf); } static void buffer_finish(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct cx8802_dev *dev = vb->vb2_queue->drv_priv; struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb); struct cx88_riscmem *risc = &buf->risc; if (risc->cpu) dma_free_coherent(&dev->pci->dev, risc->size, risc->cpu, risc->dma); memset(risc, 0, sizeof(*risc)); } static void buffer_queue(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct cx8802_dev *dev = vb->vb2_queue->drv_priv; struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb); cx8802_buf_queue(dev, buf); } static int start_streaming(struct vb2_queue *q, unsigned int count) { struct cx8802_dev *dev = q->drv_priv; struct cx88_dmaqueue *dmaq = &dev->mpegq; struct cx8802_driver *drv; struct cx88_buffer *buf; unsigned long flags; int err; /* Make sure we can acquire the hardware */ drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); if (!drv) { dprintk(1, "%s: blackbird driver is not loaded\n", __func__); err = -ENODEV; goto fail; } err = drv->request_acquire(drv); if (err != 0) { dprintk(1, "%s: Unable to acquire hardware, %d\n", __func__, err); goto fail; } if (blackbird_initialize_codec(dev) < 0) { drv->request_release(drv); err = -EINVAL; goto fail; } err = blackbird_start_codec(dev); if (err == 0) { buf = list_entry(dmaq->active.next, struct cx88_buffer, list); cx8802_start_dma(dev, dmaq, buf); return 0; } fail: spin_lock_irqsave(&dev->slock, flags); while (!list_empty(&dmaq->active)) { struct cx88_buffer *buf = list_entry(dmaq->active.next, struct cx88_buffer, list); list_del(&buf->list); vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); } spin_unlock_irqrestore(&dev->slock, flags); return err; } static void stop_streaming(struct vb2_queue *q) { struct cx8802_dev *dev = q->drv_priv; struct cx88_dmaqueue *dmaq = &dev->mpegq; struct cx8802_driver *drv = NULL; unsigned long flags; cx8802_cancel_buffers(dev); blackbird_stop_codec(dev); /* Make sure we release the hardware */ drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); WARN_ON(!drv); if (drv) drv->request_release(drv); spin_lock_irqsave(&dev->slock, flags); while (!list_empty(&dmaq->active)) { struct cx88_buffer *buf = list_entry(dmaq->active.next, struct cx88_buffer, list); list_del(&buf->list); vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); } spin_unlock_irqrestore(&dev->slock, flags); } static const struct vb2_ops blackbird_qops = { .queue_setup = queue_setup, .buf_prepare = buffer_prepare, .buf_finish = buffer_finish, .buf_queue = buffer_queue, .wait_prepare = vb2_ops_wait_prepare, .wait_finish = vb2_ops_wait_finish, .start_streaming = start_streaming, .stop_streaming = stop_streaming, }; /* ------------------------------------------------------------------ */ static int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; strscpy(cap->driver, "cx88_blackbird", sizeof(cap->driver)); return cx88_querycap(file, core, cap); } static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { if (f->index != 0) return -EINVAL; f->pixelformat = V4L2_PIX_FMT_MPEG; return 0; } static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; f->fmt.pix.bytesperline = 0; f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; f->fmt.pix.width = core->width; f->fmt.pix.height = core->height; f->fmt.pix.field = core->field; return 0; } static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; unsigned int maxw, maxh; enum v4l2_field field; f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; f->fmt.pix.bytesperline = 0; f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; maxw = norm_maxw(core->tvnorm); maxh = norm_maxh(core->tvnorm); field = f->fmt.pix.field; switch (field) { case V4L2_FIELD_TOP: case V4L2_FIELD_BOTTOM: case V4L2_FIELD_INTERLACED: case V4L2_FIELD_SEQ_BT: case V4L2_FIELD_SEQ_TB: break; default: field = (f->fmt.pix.height > maxh / 2) ? V4L2_FIELD_INTERLACED : V4L2_FIELD_BOTTOM; break; } if (V4L2_FIELD_HAS_T_OR_B(field)) maxh /= 2; v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, &f->fmt.pix.height, 32, maxh, 0, 0); f->fmt.pix.field = field; return 0; } static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; if (vb2_is_busy(&dev->vb2_mpegq)) return -EBUSY; if (core->v4ldev && (vb2_is_busy(&core->v4ldev->vb2_vidq) || vb2_is_busy(&core->v4ldev->vb2_vbiq))) return -EBUSY; vidioc_try_fmt_vid_cap(file, priv, f); core->width = f->fmt.pix.width; core->height = f->fmt.pix.height; core->field = f->fmt.pix.field; cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, f->fmt.pix.height, f->fmt.pix.width); return 0; } static int vidioc_s_frequency(struct file *file, void *priv, const struct v4l2_frequency *f) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; bool streaming; if (unlikely(core->board.tuner_type == UNSET)) return -EINVAL; if (unlikely(f->tuner != 0)) return -EINVAL; streaming = vb2_start_streaming_called(&dev->vb2_mpegq); if (streaming) blackbird_stop_codec(dev); cx88_set_freq(core, f); blackbird_initialize_codec(dev); cx88_set_scale(core, core->width, core->height, core->field); if (streaming) blackbird_start_codec(dev); return 0; } static int vidioc_log_status(struct file *file, void *priv) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; char name[32 + 2]; snprintf(name, sizeof(name), "%s/2", core->name); call_all(core, core, log_status); v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name); return 0; } static int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *i) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; return cx88_enum_input(core, i); } static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; if (unlikely(core->board.tuner_type == UNSET)) return -EINVAL; if (unlikely(f->tuner != 0)) return -EINVAL; f->frequency = core->freq; call_all(core, tuner, g_frequency, f); return 0; } static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; *i = core->input; return 0; } static int vidioc_s_input(struct file *file, void *priv, unsigned int i) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; if (i >= 4) return -EINVAL; if (!INPUT(i).type) return -EINVAL; cx88_newstation(core); cx88_video_mux(core, i); return 0; } static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; u32 reg; if (unlikely(core->board.tuner_type == UNSET)) return -EINVAL; if (t->index != 0) return -EINVAL; strscpy(t->name, "Television", sizeof(t->name)); t->capability = V4L2_TUNER_CAP_NORM; t->rangehigh = 0xffffffffUL; call_all(core, tuner, g_tuner, t); cx88_get_stereo(core, t); reg = cx_read(MO_DEVICE_STATUS); t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000; return 0; } static int vidioc_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; if (core->board.tuner_type == UNSET) return -EINVAL; if (t->index != 0) return -EINVAL; cx88_set_stereo(core, t->audmode, 1); return 0; } static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; *tvnorm = core->tvnorm; return 0; } static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id) { struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; return cx88_set_tvnorm(core, id); } static const struct v4l2_file_operations mpeg_fops = { .owner = THIS_MODULE, .open = v4l2_fh_open, .release = vb2_fop_release, .read = vb2_fop_read, .poll = vb2_fop_poll, .mmap = vb2_fop_mmap, .unlocked_ioctl = video_ioctl2, }; static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { .vidioc_querycap = vidioc_querycap, .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, .vidioc_reqbufs = vb2_ioctl_reqbufs, .vidioc_querybuf = vb2_ioctl_querybuf, .vidioc_qbuf = vb2_ioctl_qbuf, .vidioc_dqbuf = vb2_ioctl_dqbuf, .vidioc_streamon = vb2_ioctl_streamon, .vidioc_streamoff = vb2_ioctl_streamoff, .vidioc_s_frequency = vidioc_s_frequency, .vidioc_log_status = vidioc_log_status, .vidioc_enum_input = vidioc_enum_input, .vidioc_g_frequency = vidioc_g_frequency, .vidioc_g_input = vidioc_g_input, .vidioc_s_input = vidioc_s_input, .vidioc_g_tuner = vidioc_g_tuner, .vidioc_s_tuner = vidioc_s_tuner, .vidioc_g_std = vidioc_g_std, .vidioc_s_std = vidioc_s_std, .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static const struct video_device cx8802_mpeg_template = { .name = "cx8802", .fops = &mpeg_fops, .ioctl_ops = &mpeg_ioctl_ops, .tvnorms = CX88_NORMS, }; /* ------------------------------------------------------------------ */ /* The CX8802 MPEG API will call this when we can use the hardware */ static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv) { struct cx88_core *core = drv->core; int err = 0; switch (core->boardnr) { case CX88_BOARD_HAUPPAUGE_HVR1300: /* * By default, core setup will leave the cx22702 out of reset, * on the bus. * We left the hardware on power up with the cx22702 active. * We're being given access to re-arrange the GPIOs. * Take the bus off the cx22702 and put the cx23416 on it. */ /* Toggle reset on cx22702 leaving i2c active */ cx_set(MO_GP0_IO, 0x00000080); udelay(1000); cx_clear(MO_GP0_IO, 0x00000080); udelay(50); cx_set(MO_GP0_IO, 0x00000080); udelay(1000); /* tri-state the cx22702 pins */ cx_set(MO_GP0_IO, 0x00000004); udelay(1000); break; default: err = -ENODEV; } return err; } /* The CX8802 MPEG API will call this when we need to release the hardware */ static int cx8802_blackbird_advise_release(struct cx8802_driver *drv) { struct cx88_core *core = drv->core; int err = 0; switch (core->boardnr) { case CX88_BOARD_HAUPPAUGE_HVR1300: /* Exit leaving the cx23416 on the bus */ break; default: err = -ENODEV; } return err; } static void blackbird_unregister_video(struct cx8802_dev *dev) { video_unregister_device(&dev->mpeg_dev); } static int blackbird_register_video(struct cx8802_dev *dev) { int err; cx88_vdev_init(dev->core, dev->pci, &dev->mpeg_dev, &cx8802_mpeg_template, "mpeg"); dev->mpeg_dev.ctrl_handler = &dev->cxhdl.hdl; video_set_drvdata(&dev->mpeg_dev, dev); dev->mpeg_dev.queue = &dev->vb2_mpegq; dev->mpeg_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE; if (dev->core->board.tuner_type != UNSET) dev->mpeg_dev.device_caps |= V4L2_CAP_TUNER; err = video_register_device(&dev->mpeg_dev, VFL_TYPE_VIDEO, -1); if (err < 0) { pr_info("can't register mpeg device\n"); return err; } pr_info("registered device %s [mpeg]\n", video_device_node_name(&dev->mpeg_dev)); return 0; } /* ----------------------------------------------------------- */ static int cx8802_blackbird_probe(struct cx8802_driver *drv) { struct cx88_core *core = drv->core; struct cx8802_dev *dev = core->dvbdev; struct vb2_queue *q; int err; dprintk(1, "%s\n", __func__); dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n", core->boardnr, core->name, core->pci_bus, core->pci_slot); err = -ENODEV; if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD)) goto fail_core; dev->cxhdl.port = CX2341X_PORT_STREAMING; dev->cxhdl.width = core->width; dev->cxhdl.height = core->height; dev->cxhdl.func = blackbird_mbox_func; dev->cxhdl.priv = dev; err = cx2341x_handler_init(&dev->cxhdl, 36); if (err) goto fail_core; v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL, false); /* blackbird stuff */ pr_info("cx23416 based mpeg encoder (blackbird reference design)\n"); host_setup(dev->core); blackbird_initialize_codec(dev); /* initial device configuration: needed ? */ // init_controls(core); cx88_set_tvnorm(core, core->tvnorm); cx88_video_mux(core, 0); cx2341x_handler_set_50hz(&dev->cxhdl, core->height == 576); cx2341x_handler_setup(&dev->cxhdl); q = &dev->vb2_mpegq; q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; q->gfp_flags = GFP_DMA32; q->min_buffers_needed = 2; q->drv_priv = dev; q->buf_struct_size = sizeof(struct cx88_buffer); q->ops = &blackbird_qops; q->mem_ops = &vb2_dma_sg_memops; q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; q->lock = &core->lock; q->dev = &dev->pci->dev; err = vb2_queue_init(q); if (err < 0) goto fail_core; blackbird_register_video(dev); return 0; fail_core: return err; } static int cx8802_blackbird_remove(struct cx8802_driver *drv) { struct cx88_core *core = drv->core; struct cx8802_dev *dev = core->dvbdev; /* blackbird */ blackbird_unregister_video(drv->core->dvbdev); v4l2_ctrl_handler_free(&dev->cxhdl.hdl); return 0; } static struct cx8802_driver cx8802_blackbird_driver = { .type_id = CX88_MPEG_BLACKBIRD, .hw_access = CX8802_DRVCTL_SHARED, .probe = cx8802_blackbird_probe, .remove = cx8802_blackbird_remove, .advise_acquire = cx8802_blackbird_advise_acquire, .advise_release = cx8802_blackbird_advise_release, }; static int __init blackbird_init(void) { pr_info("cx2388x blackbird driver version %s loaded\n", CX88_VERSION); return cx8802_register_driver(&cx8802_blackbird_driver); } static void __exit blackbird_fini(void) { cx8802_unregister_driver(&cx8802_blackbird_driver); } module_init(blackbird_init); module_exit(blackbird_fini);
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