diff options
Diffstat (limited to 'drivers/media/pci/cx88/cx88-blackbird.c')
| -rw-r--r-- | drivers/media/pci/cx88/cx88-blackbird.c | 1299 |
1 files changed, 1299 insertions, 0 deletions
diff --git a/drivers/media/pci/cx88/cx88-blackbird.c b/drivers/media/pci/cx88/cx88-blackbird.c new file mode 100644 index 00000000000..def363fb71c --- /dev/null +++ b/drivers/media/pci/cx88/cx88-blackbird.c @@ -0,0 +1,1299 @@ +/* + * + * 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, NULL); + + /* 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]"); |