diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-blackbird.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-blackbird.c | 1299 |
1 files changed, 0 insertions, 1299 deletions
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c deleted file mode 100644 index 843ffd9e533..00000000000 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ /dev/null @@ -1,1299 +0,0 @@ -/* - * - * 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@infradead.org> - * - video_ioctl2 conversion - * - * Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/> - * - * 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/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/cx2341x.h> - -#include "cx88.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"); -MODULE_VERSION(CX88_VERSION); - -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; -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) - - -/* ------------------------------------------------------------------ */ - -#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 -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); - release_firmware(firmware); - return -1; - } - - if (0 != memcmp(firmware->data, magic, 8)) { - dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n"); - release_firmware(firmware); - return -1; - } - - /* transfer to the chip */ - dprintk(1,"Loading firmware ...\n"); - dataptr = (u32*)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; - } - if (checksum) { - dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n"); - release_firmware(firmware); - 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->cxhdl.width = dev->width; - dev->cxhdl.height = dev->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) { - - dev->mpeg_active = 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; - - 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); - } - - 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 file *file, void *priv) -{ - struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->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 - ); - - dev->mpeg_active = 1; - 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); - - dev->mpeg_active = 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 vidioc_querycap(struct file *file, void *priv, - struct v4l2_capability *cap) -{ - struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; - struct cx88_core *core = dev->core; - - strcpy(cap->driver, "cx88_blackbird"); - sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); - cx88_querycap(file, core, cap); - return 0; -} - -static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - if (f->index != 0) - return -EINVAL; - - strlcpy(f->description, "MPEG", sizeof(f->description)); - f->pixelformat = V4L2_PIX_FMT_MPEG; - f->flags = V4L2_FMT_FLAG_COMPRESSED; - return 0; -} - -static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, - struct v4l2_format *f) -{ - struct cx8802_fh *fh = priv; - struct cx8802_dev *dev = fh->dev; - - f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; - f->fmt.pix.bytesperline = 0; - f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */; - f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; - f->fmt.pix.width = dev->width; - f->fmt.pix.height = dev->height; - f->fmt.pix.field = fh->mpegq.field; - dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n", - dev->width, dev->height, fh->mpegq.field ); - return 0; -} - -static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, - struct v4l2_format *f) -{ - struct cx8802_fh *fh = priv; - struct cx8802_dev *dev = fh->dev; - - f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; - f->fmt.pix.bytesperline = 0; - f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */; - f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; - dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n", - dev->width, dev->height, fh->mpegq.field ); - return 0; -} - -static int vidioc_s_fmt_vid_cap (struct file *file, void *priv, - struct v4l2_format *f) -{ - struct cx8802_fh *fh = priv; - struct cx8802_dev *dev = fh->dev; - struct cx88_core *core = dev->core; - - f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; - f->fmt.pix.bytesperline = 0; - f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */; - f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; - dev->width = f->fmt.pix.width; - dev->height = f->fmt.pix.height; - fh->mpegq.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); - dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n", - f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field ); - return 0; -} - -static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p) -{ - struct cx8802_fh *fh = priv; - return (videobuf_reqbufs(&fh->mpegq, p)); -} - -static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct cx8802_fh *fh = priv; - return (videobuf_querybuf(&fh->mpegq, p)); -} - -static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct cx8802_fh *fh = priv; - return (videobuf_qbuf(&fh->mpegq, p)); -} - -static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct cx8802_fh *fh = priv; - return (videobuf_dqbuf(&fh->mpegq, p, - file->f_flags & O_NONBLOCK)); -} - -static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct cx8802_fh *fh = priv; - struct cx8802_dev *dev = fh->dev; - - if (!dev->mpeg_active) - blackbird_start_codec(file, fh); - return videobuf_streamon(&fh->mpegq); -} - -static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct cx8802_fh *fh = priv; - struct cx8802_dev *dev = fh->dev; - - if (dev->mpeg_active) - blackbird_stop_codec(dev); - return videobuf_streamoff(&fh->mpegq); -} - -static int vidioc_s_frequency (struct file *file, void *priv, - struct v4l2_frequency *f) -{ - struct cx8802_fh *fh = priv; - struct cx8802_dev *dev = fh->dev; - struct cx88_core *core = dev->core; - - if (unlikely(UNSET == core->board.tuner_type)) - return -EINVAL; - if (unlikely(f->tuner != 0)) - return -EINVAL; - if (dev->mpeg_active) - blackbird_stop_codec(dev); - - cx88_set_freq (core,f); - blackbird_initialize_codec(dev); - cx88_set_scale(dev->core, dev->width, dev->height, - fh->mpegq.field); - return 0; -} - -static int vidioc_log_status (struct file *file, void *priv) -{ - struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; - 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 cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; - return cx88_enum_input (core,i); -} - -static int vidioc_g_frequency (struct file *file, void *priv, - struct v4l2_frequency *f) -{ - struct cx8802_fh *fh = priv; - struct cx88_core *core = fh->dev->core; - - if (unlikely(UNSET == core->board.tuner_type)) - 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 cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; - - *i = core->input; - return 0; -} - -static int vidioc_s_input (struct file *file, void *priv, unsigned int i) -{ - struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; - - if (i >= 4) - return -EINVAL; - if (0 == INPUT(i).type) - return -EINVAL; - - mutex_lock(&core->lock); - cx88_newstation(core); - cx88_video_mux(core,i); - mutex_unlock(&core->lock); - return 0; -} - -static int vidioc_g_tuner (struct file *file, void *priv, - struct v4l2_tuner *t) -{ - struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; - u32 reg; - - if (unlikely(UNSET == core->board.tuner_type)) - return -EINVAL; - if (0 != t->index) - return -EINVAL; - - strcpy(t->name, "Television"); - 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, - struct v4l2_tuner *t) -{ - struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; - - if (UNSET == core->board.tuner_type) - return -EINVAL; - if (0 != t->index) - 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 cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; - - *tvnorm = core->tvnorm; - return 0; -} - -static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id) -{ - struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; - - mutex_lock(&core->lock); - cx88_set_tvnorm(core,*id); - mutex_unlock(&core->lock); - return 0; -} - -/* FIXME: cx88_ioctl_hook not implemented */ - -static int mpeg_open(struct file *file) -{ - struct video_device *vdev = video_devdata(file); - struct cx8802_dev *dev = video_drvdata(file); - struct cx8802_fh *fh; - struct cx8802_driver *drv = NULL; - int err; - - dprintk( 1, "%s\n", __func__); - - mutex_lock(&dev->core->lock); - - /* 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__); - mutex_unlock(&dev->core->lock); - return -ENODEV; - } - - err = drv->request_acquire(drv); - if (err != 0) { - dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err); - mutex_unlock(&dev->core->lock); - return err; - } - - if (!dev->core->mpeg_users && blackbird_initialize_codec(dev) < 0) { - drv->request_release(drv); - mutex_unlock(&dev->core->lock); - return -EINVAL; - } - dprintk(1, "open dev=%s\n", video_device_node_name(vdev)); - - /* allocate + initialize per filehandle data */ - fh = kzalloc(sizeof(*fh),GFP_KERNEL); - if (NULL == fh) { - drv->request_release(drv); - mutex_unlock(&dev->core->lock); - return -ENOMEM; - } - v4l2_fh_init(&fh->fh, vdev); - file->private_data = fh; - fh->dev = dev; - - videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops, - &dev->pci->dev, &dev->slock, - V4L2_BUF_TYPE_VIDEO_CAPTURE, - V4L2_FIELD_INTERLACED, - sizeof(struct cx88_buffer), - fh, NULL); - - /* FIXME: locking against other video device */ - cx88_set_scale(dev->core, dev->width, dev->height, - fh->mpegq.field); - - dev->core->mpeg_users++; - mutex_unlock(&dev->core->lock); - v4l2_fh_add(&fh->fh); - return 0; -} - -static int mpeg_release(struct file *file) -{ - struct cx8802_fh *fh = file->private_data; - struct cx8802_dev *dev = fh->dev; - struct cx8802_driver *drv = NULL; - - mutex_lock(&dev->core->lock); - - if (dev->mpeg_active && dev->core->mpeg_users == 1) - blackbird_stop_codec(dev); - - cx8802_cancel_buffers(fh->dev); - /* stop mpeg capture */ - videobuf_stop(&fh->mpegq); - - videobuf_mmap_free(&fh->mpegq); - - v4l2_fh_del(&fh->fh); - v4l2_fh_exit(&fh->fh); - file->private_data = NULL; - kfree(fh); - - /* Make sure we release the hardware */ - drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); - WARN_ON(!drv); - if (drv) - drv->request_release(drv); - - dev->core->mpeg_users--; - - mutex_unlock(&dev->core->lock); - - 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; - struct cx8802_dev *dev = fh->dev; - - if (!dev->mpeg_active) - blackbird_start_codec(file, fh); - - 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) -{ - unsigned long req_events = poll_requested_events(wait); - struct cx8802_fh *fh = file->private_data; - struct cx8802_dev *dev = fh->dev; - - if (!dev->mpeg_active && (req_events & (POLLIN | POLLRDNORM))) - blackbird_start_codec(file, fh); - - return v4l2_ctrl_poll(file, wait) | 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 const struct v4l2_file_operations mpeg_fops = -{ - .owner = THIS_MODULE, - .open = mpeg_open, - .release = mpeg_release, - .read = mpeg_read, - .poll = mpeg_poll, - .mmap = mpeg_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 = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_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 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) -{ - if (dev->mpeg_dev) { - if (video_is_registered(dev->mpeg_dev)) - 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"); - dev->mpeg_dev->ctrl_handler = &dev->cxhdl.hdl; - video_set_drvdata(dev->mpeg_dev, dev); - 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 %s [mpeg]\n", - dev->core->name, 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; - 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->width = 720; - if (core->tvnorm & V4L2_STD_525_60) { - dev->height = 480; - } else { - dev->height = 576; - } - dev->cxhdl.port = CX2341X_PORT_STREAMING; - dev->cxhdl.width = dev->width; - dev->cxhdl.height = dev->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); - - /* blackbird stuff */ - printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n", - core->name); - 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, dev->height == 576); - cx2341x_handler_setup(&dev->cxhdl); - 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) -{ - printk(KERN_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); - -module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644); -MODULE_PARM_DESC(debug,"enable debug messages [video]"); |