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1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 | /* * * 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/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->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->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->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->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->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->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); call_all(core, core, log_status); 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; 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; 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 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; } 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); 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); 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) { 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 v4l2_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, }; 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, .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. */ /* 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"); 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; 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 ? */ // init_controls(core); cx88_set_tvnorm(core,core->tvnorm); cx88_video_mux(core,0); 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 __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]"); |