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path: root/drivers/media/video/cx88/cx88-blackbird.c
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Diffstat (limited to 'drivers/media/video/cx88/cx88-blackbird.c')
-rw-r--r--drivers/media/video/cx88/cx88-blackbird.c911
1 files changed, 911 insertions, 0 deletions
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
new file mode 100644
index 00000000000..46d6778b863
--- /dev/null
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -0,0 +1,911 @@
+/*
+ * $Id: cx88-blackbird.c,v 1.26 2005/03/07 15:58:05 kraxel Exp $
+ *
+ * Support for a cx23416 mpeg encoder via cx2388x host port.
+ * "blackbird" reference design.
+ *
+ * (c) 2004 Jelle Foks <jelle@foks.8m.com>
+ * (c) 2004 Gerd Knorr <kraxel@bytesex.org>
+ *
+ * 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/moduleparam.h>
+#include <linux/init.h>
+#include <linux/fs.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/firmware.h>
+
+#include "cx88.h"
+
+MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
+MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>");
+MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
+MODULE_LICENSE("GPL");
+
+static unsigned int mpegbufs = 8;
+module_param(mpegbufs,int,0644);
+MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
+
+static unsigned int debug = 0;
+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)
+
+static LIST_HEAD(cx8802_devlist);
+
+/* ------------------------------------------------------------------ */
+
+#define BLACKBIRD_FIRM_ENC_FILENAME "blackbird-fw-enc.bin"
+#define BLACKBIRD_FIRM_IMAGE_SIZE 256*1024
+
+/* defines below are from ivtv-driver.h */
+
+#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
+
+/*Firmware API commands*/
+#define IVTV_API_ENC_PING_FW 0x00000080
+#define IVTV_API_ENC_GETVER 0x000000C4
+#define IVTV_API_ENC_HALT_FW 0x000000C3
+#define IVTV_API_STD_TIMEOUT 0x00010000 /*units??*/
+//#define IVTV_API_ASSIGN_PGM_INDEX_INFO 0x000000c7
+#define IVTV_API_ASSIGN_STREAM_TYPE 0x000000b9
+#define IVTV_API_ASSIGN_OUTPUT_PORT 0x000000bb
+#define IVTV_API_ASSIGN_FRAMERATE 0x0000008f
+#define IVTV_API_ASSIGN_FRAME_SIZE 0x00000091
+#define IVTV_API_ASSIGN_ASPECT_RATIO 0x00000099
+#define IVTV_API_ASSIGN_BITRATES 0x00000095
+#define IVTV_API_ASSIGN_GOP_PROPERTIES 0x00000097
+#define IVTV_API_ASSIGN_3_2_PULLDOWN 0x000000b1
+#define IVTV_API_ASSIGN_GOP_CLOSURE 0x000000c5
+#define IVTV_API_ASSIGN_AUDIO_PROPERTIES 0x000000bd
+#define IVTV_API_ASSIGN_DNR_FILTER_MODE 0x0000009b
+#define IVTV_API_ASSIGN_DNR_FILTER_PROPS 0x0000009d
+#define IVTV_API_ASSIGN_CORING_LEVELS 0x0000009f
+#define IVTV_API_ASSIGN_SPATIAL_FILTER_TYPE 0x000000a1
+#define IVTV_API_ASSIGN_FRAME_DROP_RATE 0x000000d0
+#define IVTV_API_ASSIGN_PLACEHOLDER 0x000000d8
+#define IVTV_API_MUTE_VIDEO 0x000000d9
+#define IVTV_API_MUTE_AUDIO 0x000000da
+#define IVTV_API_INITIALIZE_INPUT 0x000000cd
+#define IVTV_API_REFRESH_INPUT 0x000000d3
+#define IVTV_API_ASSIGN_NUM_VSYNC_LINES 0x000000d6
+#define IVTV_API_BEGIN_CAPTURE 0x00000081
+//#define IVTV_API_PAUSE_ENCODER 0x000000d2
+//#define IVTV_API_EVENT_NOTIFICATION 0x000000d5
+#define IVTV_API_END_CAPTURE 0x00000082
+
+/* 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;
+}
+
+/* ------------------------------------------------------------------ */
+
+/* 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, ...)
+{
+ unsigned long timeout;
+ u32 value, flag, retval;
+ int i;
+ va_list args;
+ va_start(args, outputcnt);
+
+ dprintk(1,"%s: 0x%X\n", __FUNCTION__, 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 < inputcnt ; i++) {
+ value = va_arg(args, int);
+ memory_write(dev->core, dev->mailbox + 4 + i, value);
+ dprintk(1, "API Input %d = %d\n", i, value);
+ }
+ for (; i < 16 ; 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 < outputcnt ; i++) {
+ int *vptr = va_arg(args, int *);
+ memory_read(dev->core, dev->mailbox + 4 + i, vptr);
+ dprintk(1, "API Output %d = %d\n", i, *vptr);
+ }
+ va_end(args);
+
+ 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;
+}
+
+
+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, BLACKBIRD_FIRM_ENC_FILENAME,
+ &dev->pci->dev);
+ if (retval != 0) {
+ dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
+ BLACKBIRD_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);
+ return -1;
+ }
+
+ if (0 != memcmp(firmware->data, magic, 8)) {
+ dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
+ 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");
+ 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;
+}
+
+static void blackbird_codec_settings(struct cx8802_dev *dev)
+{
+ int bitrate_mode = 1;
+ int bitrate = 7500000;
+ int bitrate_peak = 7500000;
+
+ /* assign stream type */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 0); /* program stream */
+ //blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 2); /* MPEG1 stream */
+ //blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 3); /* PES A/V */
+ //blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 10); /* DVD stream */
+
+ /* assign output port */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_OUTPUT_PORT, 1, 0, 1); /* 1 = Host */
+
+ /* assign framerate */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAMERATE, 1, 0, 0);
+
+ /* assign frame size */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAME_SIZE, 2, 0,
+ dev->height, dev->width);
+
+ /* assign aspect ratio */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_ASPECT_RATIO, 1, 0, 2);
+
+ /* assign bitrates */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_BITRATES, 5, 0,
+ bitrate_mode, /* mode */
+ bitrate, /* bps */
+ bitrate_peak / 400, /* peak/400 */
+ 0, 0x70); /* encoding buffer, ckennedy */
+
+ /* assign gop properties */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_GOP_PROPERTIES, 2, 0, 15, 3);
+ //blackbird_api_cmd(dev, IVTV_API_ASSIGN_GOP_PROPERTIES, 2, 0, 2, 1);
+
+ /* assign 3 2 pulldown */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_3_2_PULLDOWN, 1, 0, 0);
+
+ /* note: it's not necessary to set the samplerate, the mpeg encoder seems to autodetect/adjust */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, (2<<2) | (8<<4));
+
+ /* assign gop closure */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_GOP_CLOSURE, 1, 0, 0);
+
+ /* assign audio properties */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, 0 | (2 << 2) | (14 << 4));
+
+ /* assign dnr filter mode */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_DNR_FILTER_MODE, 2, 0, 0, 0);
+
+ /* assign dnr filter props*/
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_DNR_FILTER_PROPS, 2, 0, 0, 0);
+
+ /* assign coring levels (luma_h, luma_l, chroma_h, chroma_l) */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_CORING_LEVELS, 4, 0, 0, 255, 0, 255);
+
+ /* assign spatial filter type: luma_t: 1 = horiz_only, chroma_t: 1 = horiz_only */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_SPATIAL_FILTER_TYPE, 2, 0, 1, 1);
+
+ /* assign frame drop rate */
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAME_DROP_RATE, 1, 0, 0);
+}
+
+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, IVTV_API_ENC_PING_FW, 0, 0); /* ping */
+ if (retval < 0) {
+ /* ping was not successful, reset and upload firmware */
+ cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
+ msleep(1);
+ cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
+ msleep(1);
+ retval = blackbird_load_firmware(dev);
+ if (retval < 0)
+ return retval;
+
+ dev->mailbox = blackbird_find_mailbox(dev);
+ if (dev->mailbox < 0)
+ return -1;
+
+ retval = blackbird_api_cmd(dev, IVTV_API_ENC_PING_FW, 0, 0); /* ping */
+ if (retval < 0) {
+ dprintk(0, "ERROR: Firmware ping failed!\n");
+ return -1;
+ }
+
+ retval = blackbird_api_cmd(dev, IVTV_API_ENC_GETVER, 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);
+ }
+ msleep(1);
+
+ 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 */
+
+#if 0 /* FIXME */
+ set_scale(dev, 720, 480, V4L2_FIELD_INTERLACED);
+#endif
+ blackbird_codec_settings(dev);
+ msleep(1);
+
+ //blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
+ //blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180);
+ blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+
+ blackbird_api_cmd(dev, IVTV_API_INITIALIZE_INPUT, 0, 0); /* initialize the video input */
+
+ msleep(1);
+
+ blackbird_api_cmd(dev, IVTV_API_MUTE_VIDEO, 1, 0, 0);
+ msleep(1);
+ blackbird_api_cmd(dev, IVTV_API_MUTE_AUDIO, 1, 0, 0);
+ msleep(1);
+
+ blackbird_api_cmd(dev, IVTV_API_BEGIN_CAPTURE, 2, 0, 0, 0x13); /* start capturing to the host interface */
+ //blackbird_api_cmd(dev, IVTV_API_BEGIN_CAPTURE, 2, 0, 0, 0); /* start capturing to the host interface */
+ msleep(1);
+
+ blackbird_api_cmd(dev, IVTV_API_REFRESH_INPUT, 0,0);
+ 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 = 512;
+ fh->dev->ts_packet_count = 100;
+
+ *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
+ if (0 == *count)
+ *count = mpegbufs;
+ if (*count < 2)
+ *count = 2;
+ if (*count > 32)
+ *count = 32;
+ 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(fh->dev, (struct cx88_buffer*)vb);
+}
+
+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)
+{
+ struct cx8802_fh *fh = q->priv_data;
+ cx88_free_buffer(fh->dev->pci, (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 mpeg_do_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, void *arg)
+{
+ struct cx8802_fh *fh = file->private_data;
+ struct cx8802_dev *dev = fh->dev;
+
+ if (debug > 1)
+ cx88_print_ioctl(dev->core->name,cmd);
+
+ switch (cmd) {
+
+ /* --- capture ioctls ---------------------------------------- */
+ case VIDIOC_ENUM_FMT:
+ {
+ struct v4l2_fmtdesc *f = arg;
+ int index;
+
+ index = f->index;
+ if (index != 0)
+ return -EINVAL;
+
+ memset(f,0,sizeof(*f));
+ f->index = index;
+ strlcpy(f->description, "MPEG TS", sizeof(f->description));
+ f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ f->pixelformat = V4L2_PIX_FMT_MPEG;
+ return 0;
+ }
+ case VIDIOC_G_FMT:
+ case VIDIOC_S_FMT:
+ case VIDIOC_TRY_FMT:
+ {
+ /* FIXME -- quick'n'dirty for exactly one size ... */
+ struct v4l2_format *f = arg;
+
+ memset(f,0,sizeof(*f));
+ f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ f->fmt.pix.width = dev->width;
+ f->fmt.pix.height = dev->height;
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
+ f->fmt.pix.sizeimage = 1024 * 512 /* FIXME: BUFFER_SIZE */;
+ }
+
+ /* --- streaming capture ------------------------------------- */
+ case VIDIOC_REQBUFS:
+ return videobuf_reqbufs(&fh->mpegq, arg);
+
+ case VIDIOC_QUERYBUF:
+ return videobuf_querybuf(&fh->mpegq, arg);
+
+ case VIDIOC_QBUF:
+ return videobuf_qbuf(&fh->mpegq, arg);
+
+ case VIDIOC_DQBUF:
+ return videobuf_dqbuf(&fh->mpegq, arg,
+ file->f_flags & O_NONBLOCK);
+
+ case VIDIOC_STREAMON:
+ return videobuf_streamon(&fh->mpegq);
+
+ case VIDIOC_STREAMOFF:
+ return videobuf_streamoff(&fh->mpegq);
+
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int mpeg_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ return video_usercopy(inode, file, cmd, arg, mpeg_do_ioctl);
+}
+
+static int mpeg_open(struct inode *inode, struct file *file)
+{
+ int minor = iminor(inode);
+ struct cx8802_dev *h,*dev = NULL;
+ struct cx8802_fh *fh;
+ struct list_head *list;
+
+ list_for_each(list,&cx8802_devlist) {
+ h = list_entry(list, struct cx8802_dev, devlist);
+ if (h->mpeg_dev->minor == minor)
+ dev = h;
+ }
+ if (NULL == dev)
+ return -ENODEV;
+
+ if (blackbird_initialize_codec(dev) < 0)
+ return -EINVAL;
+ dprintk(1,"open minor=%d\n",minor);
+
+ /* allocate + initialize per filehandle data */
+ fh = kmalloc(sizeof(*fh),GFP_KERNEL);
+ if (NULL == fh)
+ return -ENOMEM;
+ memset(fh,0,sizeof(*fh));
+ file->private_data = fh;
+ fh->dev = dev;
+
+ /* FIXME: locking against other video device */
+ cx88_set_scale(dev->core, dev->width, dev->height,
+ V4L2_FIELD_INTERLACED);
+
+ videobuf_queue_init(&fh->mpegq, &blackbird_qops,
+ dev->pci, &dev->slock,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ V4L2_FIELD_TOP,
+ sizeof(struct cx88_buffer),
+ fh);
+ return 0;
+}
+
+static int mpeg_release(struct inode *inode, struct file *file)
+{
+ struct cx8802_fh *fh = file->private_data;
+
+ blackbird_api_cmd(fh->dev, IVTV_API_END_CAPTURE, 3, 0, 1, 0, 0x13);
+
+ /* stop mpeg capture */
+ if (fh->mpegq.streaming)
+ videobuf_streamoff(&fh->mpegq);
+ if (fh->mpegq.reading)
+ videobuf_read_stop(&fh->mpegq);
+
+ videobuf_mmap_free(&fh->mpegq);
+ file->private_data = NULL;
+ kfree(fh);
+ 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;
+
+ 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;
+
+ 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 struct file_operations mpeg_fops =
+{
+ .owner = THIS_MODULE,
+ .open = mpeg_open,
+ .release = mpeg_release,
+ .read = mpeg_read,
+ .poll = mpeg_poll,
+ .mmap = mpeg_mmap,
+ .ioctl = mpeg_ioctl,
+ .llseek = no_llseek,
+};
+
+static struct video_device cx8802_mpeg_template =
+{
+ .name = "cx8802",
+ .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
+ .hardware = 0,
+ .fops = &mpeg_fops,
+ .minor = -1,
+};
+
+/* ------------------------------------------------------------------ */
+
+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->minor & 0x1f);
+ return 0;
+}
+
+/* ----------------------------------------------------------- */
+
+static int __devinit blackbird_probe(struct pci_dev *pci_dev,
+ const struct pci_device_id *pci_id)
+{
+ struct cx8802_dev *dev;
+ struct cx88_core *core;
+ int err;
+
+ /* general setup */
+ core = cx88_core_get(pci_dev);
+ if (NULL == core)
+ return -EINVAL;
+
+ err = -ENODEV;
+ if (!cx88_boards[core->board].blackbird)
+ goto fail_core;
+
+ err = -ENOMEM;
+ dev = kmalloc(sizeof(*dev),GFP_KERNEL);
+ if (NULL == dev)
+ goto fail_core;
+ memset(dev,0,sizeof(*dev));
+ dev->pci = pci_dev;
+ dev->core = core;
+ dev->width = 720;
+ dev->height = 480;
+
+ err = cx8802_init_common(dev);
+ if (0 != err)
+ goto fail_free;
+
+ /* blackbird stuff */
+ printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
+ core->name);
+ host_setup(dev->core);
+
+ list_add_tail(&dev->devlist,&cx8802_devlist);
+ blackbird_register_video(dev);
+ return 0;
+
+ fail_free:
+ kfree(dev);
+ fail_core:
+ cx88_core_put(core,pci_dev);
+ return err;
+}
+
+static void __devexit blackbird_remove(struct pci_dev *pci_dev)
+{
+ struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
+
+ /* blackbird */
+ blackbird_unregister_video(dev);
+ list_del(&dev->devlist);
+
+ /* common */
+ cx8802_fini_common(dev);
+ cx88_core_put(dev->core,dev->pci);
+ kfree(dev);
+}
+
+static struct pci_device_id cx8802_pci_tbl[] = {
+ {
+ .vendor = 0x14f1,
+ .device = 0x8802,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },{
+ /* --- end of list --- */
+ }
+};
+MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
+
+static struct pci_driver blackbird_pci_driver = {
+ .name = "cx88-blackbird",
+ .id_table = cx8802_pci_tbl,
+ .probe = blackbird_probe,
+ .remove = __devexit_p(blackbird_remove),
+ .suspend = cx8802_suspend_common,
+ .resume = cx8802_resume_common,
+};
+
+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 pci_register_driver(&blackbird_pci_driver);
+}
+
+static void blackbird_fini(void)
+{
+ pci_unregister_driver(&blackbird_pci_driver);
+}
+
+module_init(blackbird_init);
+module_exit(blackbird_fini);
+
+/* ----------------------------------------------------------- */
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */