| /* |
| * |
| * 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://ivtv.sourceforge.net/), |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/init.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/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"); |
| |
| 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 = *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->params.width = dev->width; |
| dev->params.height = dev->height; |
| dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0; |
| |
| cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params); |
| } |
| |
| 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); |
| |
| /* 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 |
| ); |
| |
| 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 const u32 *ctrl_classes[] = { |
| cx88_user_ctrls, |
| cx2341x_mpeg_ctrls, |
| NULL |
| }; |
| |
| static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl) |
| { |
| qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); |
| if (qctrl->id == 0) |
| return -EINVAL; |
| |
| /* Standard V4L2 controls */ |
| if (cx8800_ctrl_query(dev->core, qctrl) == 0) |
| return 0; |
| |
| /* MPEG V4L2 controls */ |
| if (cx2341x_ctrl_query(&dev->params, qctrl)) |
| qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; |
| return 0; |
| } |
| |
| /* ------------------------------------------------------------------ */ |
| /* IOCTL Handlers */ |
| |
| static int vidioc_querymenu (struct file *file, void *priv, |
| struct v4l2_querymenu *qmenu) |
| { |
| struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; |
| struct v4l2_queryctrl qctrl; |
| |
| qctrl.id = qmenu->id; |
| blackbird_queryctrl(dev, &qctrl); |
| return v4l2_ctrl_query_menu(qmenu, &qctrl, |
| cx2341x_ctrl_get_menu(&dev->params, qmenu->id)); |
| } |
| |
| 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"); |
| strlcpy(cap->card, core->board.name, sizeof(cap->card)); |
| sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci)); |
| cap->version = CX88_VERSION_CODE; |
| cap->capabilities = |
| V4L2_CAP_VIDEO_CAPTURE | |
| V4L2_CAP_READWRITE | |
| V4L2_CAP_STREAMING; |
| if (UNSET != core->board.tuner_type) |
| cap->capabilities |= V4L2_CAP_TUNER; |
| 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->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 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_fh *fh = priv; |
| struct cx8802_dev *dev = fh->dev; |
| |
| f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
| f->fmt.pix.bytesperline = 0; |
| f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */ |
| f->fmt.pix.colorspace = 0; |
| f->fmt.pix.width = dev->width; |
| f->fmt.pix.height = dev->height; |
| f->fmt.pix.field = fh->mpegq.field; |
| dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n", |
| dev->width, dev->height, fh->mpegq.field ); |
| return 0; |
| } |
| |
| 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->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
| f->fmt.pix.bytesperline = 0; |
| f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */; |
| f->fmt.pix.colorspace = 0; |
| dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n", |
| dev->width, dev->height, fh->mpegq.field ); |
| return 0; |
| } |
| |
| 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->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; |
| f->fmt.pix.bytesperline = 0; |
| f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */; |
| f->fmt.pix.colorspace = 0; |
| 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(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n", |
| f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field ); |
| return 0; |
| } |
| |
| 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; |
| return videobuf_streamon(&fh->mpegq); |
| } |
| |
| static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) |
| { |
| struct cx8802_fh *fh = priv; |
| return videobuf_streamoff(&fh->mpegq); |
| } |
| |
| static int vidioc_g_ext_ctrls (struct file *file, void *priv, |
| struct v4l2_ext_controls *f) |
| { |
| struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; |
| |
| if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) |
| return -EINVAL; |
| return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS); |
| } |
| |
| static int vidioc_s_ext_ctrls (struct file *file, void *priv, |
| struct v4l2_ext_controls *f) |
| { |
| struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; |
| struct cx2341x_mpeg_params p; |
| int err; |
| |
| if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) |
| return -EINVAL; |
| |
| if (dev->mpeg_active) |
| blackbird_stop_codec(dev); |
| |
| p = dev->params; |
| err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS); |
| if (!err) { |
| err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p); |
| dev->params = p; |
| } |
| return err; |
| } |
| |
| static int vidioc_try_ext_ctrls (struct file *file, void *priv, |
| struct v4l2_ext_controls *f) |
| { |
| struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; |
| struct cx2341x_mpeg_params p; |
| int err; |
| |
| if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) |
| return -EINVAL; |
| p = dev->params; |
| err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS); |
| |
| return err; |
| } |
| |
| 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 (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); |
| printk("%s/2: ============ START LOG STATUS ============\n", |
| core->name); |
| cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL); |
| cx2341x_log_status(&dev->params, name); |
| printk("%s/2: ============= END LOG STATUS =============\n", |
| core->name); |
| return 0; |
| } |
| |
| static int vidioc_queryctrl (struct file *file, void *priv, |
| struct v4l2_queryctrl *qctrl) |
| { |
| struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; |
| |
| if (blackbird_queryctrl(dev, qctrl) == 0) |
| return 0; |
| |
| qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); |
| if (unlikely(qctrl->id == 0)) |
| return -EINVAL; |
| return cx8800_ctrl_query(dev->core, qctrl); |
| } |
| |
| 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_ctrl (struct file *file, void *priv, |
| struct v4l2_control *ctl) |
| { |
| struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; |
| return |
| cx88_get_control(core,ctl); |
| } |
| |
| static int vidioc_s_ctrl (struct file *file, void *priv, |
| struct v4l2_control *ctl) |
| { |
| struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; |
| return |
| cx88_set_control(core,ctl); |
| } |
| |
| 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; |
| |
| f->type = V4L2_TUNER_ANALOG_TV; |
| f->frequency = core->freq; |
| cx88_call_i2c_clients(core,VIDIOC_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; |
| |
| 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->type = V4L2_TUNER_ANALOG_TV; |
| t->capability = V4L2_TUNER_CAP_NORM; |
| t->rangehigh = 0xffffffffUL; |
| |
| 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_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 inode *inode, struct file *file) |
| { |
| int minor = iminor(inode); |
| struct cx8802_dev *dev = NULL; |
| struct cx8802_fh *fh; |
| struct cx8802_driver *drv = NULL; |
| int err; |
| |
| lock_kernel(); |
| dev = cx8802_get_device(inode); |
| |
| dprintk( 1, "%s\n", __func__); |
| |
| if (dev == NULL) { |
| unlock_kernel(); |
| return -ENODEV; |
| } |
| |
| /* Make sure we can acquire the hardware */ |
| drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); |
| if (drv) { |
| err = drv->request_acquire(drv); |
| if(err != 0) { |
| dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err); |
| unlock_kernel(); |
| return err; |
| } |
| } |
| |
| if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) { |
| if (drv) |
| drv->request_release(drv); |
| unlock_kernel(); |
| return -EINVAL; |
| } |
| dprintk(1,"open minor=%d\n",minor); |
| |
| /* allocate + initialize per filehandle data */ |
| fh = kzalloc(sizeof(*fh),GFP_KERNEL); |
| if (NULL == fh) { |
| if (drv) |
| drv->request_release(drv); |
| unlock_kernel(); |
| return -ENOMEM; |
| } |
| 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); |
| |
| /* FIXME: locking against other video device */ |
| cx88_set_scale(dev->core, dev->width, dev->height, |
| fh->mpegq.field); |
| unlock_kernel(); |
| |
| atomic_inc(&dev->core->mpeg_users); |
| |
| return 0; |
| } |
| |
| static int mpeg_release(struct inode *inode, struct file *file) |
| { |
| struct cx8802_fh *fh = file->private_data; |
| struct cx8802_dev *dev = fh->dev; |
| struct cx8802_driver *drv = NULL; |
| |
| if (dev->mpeg_active && atomic_read(&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); |
| file->private_data = NULL; |
| kfree(fh); |
| |
| /* Make sure we release the hardware */ |
| dev = cx8802_get_device(inode); |
| if (dev == NULL) |
| return -ENODEV; |
| |
| drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); |
| if (drv) |
| drv->request_release(drv); |
| |
| atomic_dec(&dev->core->mpeg_users); |
| |
| 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) |
| { |
| struct cx8802_fh *fh = file->private_data; |
| struct cx8802_dev *dev = fh->dev; |
| |
| if (!dev->mpeg_active) |
| blackbird_start_codec(file, fh); |
| |
| return videobuf_poll_stream(file, &fh->mpegq, wait); |
| } |
| |
| static int |
| mpeg_mmap(struct file *file, struct vm_area_struct * vma) |
| { |
| struct cx8802_fh *fh = file->private_data; |
| |
| return videobuf_mmap_mapper(&fh->mpegq, vma); |
| } |
| |
| static const struct file_operations mpeg_fops = |
| { |
| .owner = THIS_MODULE, |
| .open = mpeg_open, |
| .release = mpeg_release, |
| .read = mpeg_read, |
| .poll = mpeg_poll, |
| .mmap = mpeg_mmap, |
| .ioctl = video_ioctl2, |
| .llseek = no_llseek, |
| }; |
| |
| static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { |
| .vidioc_querymenu = vidioc_querymenu, |
| .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_g_ext_ctrls = vidioc_g_ext_ctrls, |
| .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls, |
| .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls, |
| .vidioc_s_frequency = vidioc_s_frequency, |
| .vidioc_log_status = vidioc_log_status, |
| .vidioc_queryctrl = vidioc_queryctrl, |
| .vidioc_enum_input = vidioc_enum_input, |
| .vidioc_g_ctrl = vidioc_g_ctrl, |
| .vidioc_s_ctrl = vidioc_s_ctrl, |
| .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_s_std = vidioc_s_std, |
| }; |
| |
| static struct video_device cx8802_mpeg_template = { |
| .name = "cx8802", |
| .fops = &mpeg_fops, |
| .ioctl_ops = &mpeg_ioctl_ops, |
| .minor = -1, |
| .tvnorms = CX88_NORMS, |
| .current_norm = V4L2_STD_NTSC_M, |
| }; |
| |
| /* ------------------------------------------------------------------ */ |
| |
| /* 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. |
| */ |
| cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */ |
| cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */ |
| 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 (-1 != dev->mpeg_dev->minor) |
| video_unregister_device(dev->mpeg_dev); |
| else |
| video_device_release(dev->mpeg_dev); |
| dev->mpeg_dev = NULL; |
| } |
| } |
| |
| static int blackbird_register_video(struct cx8802_dev *dev) |
| { |
| int err; |
| |
| dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci, |
| &cx8802_mpeg_template,"mpeg"); |
| err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1); |
| if (err < 0) { |
| printk(KERN_INFO "%s/2: can't register mpeg device\n", |
| dev->core->name); |
| return err; |
| } |
| printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n", |
| dev->core->name, dev->mpeg_dev->num); |
| 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; |
| dev->height = 576; |
| cx2341x_fill_defaults(&dev->params); |
| dev->params.port = CX2341X_PORT_STREAMING; |
| |
| cx8802_mpeg_template.current_norm = core->tvnorm; |
| |
| if (core->tvnorm & V4L2_STD_525_60) { |
| dev->height = 480; |
| } else { |
| dev->height = 576; |
| } |
| |
| /* blackbird stuff */ |
| printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n", |
| core->name); |
| host_setup(dev->core); |
| |
| blackbird_initialize_codec(dev); |
| blackbird_register_video(dev); |
| |
| /* initial device configuration: needed ? */ |
| mutex_lock(&dev->core->lock); |
| // init_controls(core); |
| cx88_set_tvnorm(core,core->tvnorm); |
| cx88_video_mux(core,0); |
| mutex_unlock(&dev->core->lock); |
| |
| return 0; |
| |
| fail_core: |
| return err; |
| } |
| |
| static int cx8802_blackbird_remove(struct cx8802_driver *drv) |
| { |
| /* blackbird */ |
| blackbird_unregister_video(drv->core->dvbdev); |
| |
| 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 blackbird_init(void) |
| { |
| printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n", |
| (CX88_VERSION_CODE >> 16) & 0xff, |
| (CX88_VERSION_CODE >> 8) & 0xff, |
| CX88_VERSION_CODE & 0xff); |
| #ifdef SNAPSHOT |
| printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", |
| SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); |
| #endif |
| return cx8802_register_driver(&cx8802_blackbird_driver); |
| } |
| |
| static void 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]"); |
| |
| /* ----------------------------------------------------------- */ |
| /* |
| * Local variables: |
| * c-basic-offset: 8 |
| * End: |
| * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off |
| */ |