0
edits
Changes
→Poky version 3.3 codename Green (under development)
At this point the Poky build environment needs to be set up, you will do this with the poky-init-build-env script. Sourcing this file in a shell makes changes to PATH and sets other core bitbake variables based on the current working directory.
$ source poky-init-build-env $ bitbake poky-image-sato ===== Notes, tips and tricks for the new demo image ===== ====== Change default bootargs ====== fw_setenv bootargs-base 'mem=506M console=ttyS2,115200n8 console=tty0 omapfb.mode=dvi:1024x768MR-32@60 omapfb.vram=0:8M,1:4M' ====== Bring up eth0 ====== udhcpc -i eth0 ====== ALSA active the headset path ====== amixer set -D hw:0 'Headset' 6dB amixer set -D hw:0 'HeadsetL Mixer AudioL2' on amixer set -D hw:0 'HeadsetR Mixer AudioR2' on ====== SGX Video Acceleration ====== You can test the SGX with a DEMO, grab and untar the SDK Demo Package wget http://neuvoo. Please contribute org/neuvoo/distfiles/SGX-3.01.00.07-SDK.tar.gz tar xzf SGX-3.01.00.07-SDK.tar.gz Then to run the demos just get into the X11 Binaries directory (e.g. OGLES/SDKPackage/Binaries/CommonX11/Demos/EvilSkull) and run the demo: ./OGLESEvilSkull ====== DSP using dspbridge ====== fw_setenv bootargs-base 'mem=506M console=ttyS2,115200n8 console=tty0 omapfb.mode=dvi:1024x768MR-32@60 omapfb.vram=0:8M,1:4M' wget http://download.blender.org/peach/bigbuckbunny_movies/big_buck_bunny_480p_surround-fix.avi modprobe mailbox_mach modprobe bridgedriver base_img=/lib/dsp/baseimage.dof phys_mempool_base=0x9FA00000 DISPLAY=:0 gst-launch -v playbin uri=file:/home/root/big-buck-bunny-480p-surround.avi ====== TFT and Touchscreen ====== Seiko 7.0 inch WVGA (800 x RGB x 480) TFT: fw_setenv bootargs-base 'console=ttyS2,115200n8 console=tty0 omapdss.def_disp=lcd-70 omapfb.mode=dvi:1024x768MR-32@60' Powertip 4.3 inch (480 x RGB x 272) TFT: fw_setenv bootargs-base 'console=ttyS2,115200n8 console=tty0 omapdss.def_disp=lcd-43 omapfb.mode=dvi:1024x768MR-32@60' DVI output: fw_setenv bootargs-base 'console=ttyS2,115200n8 console=tty0 omapdss.def_disp=dvi omapfb.mode=dvi:1024x768MR-32@60' Edit the InputDevice section in your xorg.conf cat >> /etc/X11/xorg.conf << EOF Section "InputDevice" Identifier "Configured Touchscreen" Driver "tslib" Option "CorePointer" "true" Option "SendCoreEvents" "true" Option "Device" "/dev/input/touchscreen0" Option "Protocol" "Auto" EndSection EOF Add "Configured Touchscreen" in "ServerLayout" section and remove "Configured Mouse" Section "ServerLayout" Identifier "Default Layout" Screen "Default Screen" InputDevice "Generic Keyboard" # InputDevice "Configured Mouse" InputDevice "Configured Touchscreen" Option "AllowEmptyInput" "no" EndSection Edit /etc/formfactor/machconfig like this HAVE_TOUCHSCREEN=1 HAVE_KEYBOARD=0 calibrate your touchscreen for Powertip 4.3 inch (480 x RGB x 272) TFT: echo -n "8407 -476 -31410144 3 -4861 38051952 655366" > /etc/pointercal for Seiko 7.0 inch WVGA (800 x RGB x 480) TFT: echo -n "13714 0 -56041568 1 -8076 63332096 6553665536" > /etc/pointercal or calibrate it yourself until you are happy with the result, for example: <pre> /etc/init.d/xserver-nodm stop TSLIB_CALIBFILE=/etc/pointercal TSLIB_TSDEVICE=/dev/input/touchscreen0 TSLIB_CONSOLEDEVICE=none ts_calibrate /etc/init.d/xserver-nodm start</pre> ====== Modem ====== <pre>diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.cindex e633c01..3778990 100644--- a/sound/soc/codecs/twl4030.c+++ b/sound/soc/codecs/twl4030.c@@ -57,7 +57,7 @@ static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = { 0x00, /* REG_AVTXL2PGA (0xC) */ 0x00, /* REG_AVTXR2PGA (0xD) */ 0x00, /* REG_AUDIO_IF (0xE) */- 0x00, /* REG_VOICE_IF (0xF) */+ 0x04, /* REG_VOICE_IF (0xF) */ 0x00, /* REG_ARXR1PGA (0x10) */ 0x00, /* REG_ARXL1PGA (0x11) */ 0x6c, /* REG_ARXR2PGA (0x12) */</pre> ====== TVP5151 ====== * http://git.linuxtv.org/pinchartl/media.git* http://git.ideasonboard.org/?p=media-ctl.git* http://www.omappedia.org/wiki/Camera-ISP_Driver* http://linuxtv.org/downloads/presentations/summit_jun_2010/20100614-v4l2_summit-media.pdf =======Kernel======= git clone git://linuxtv.org/pinchartl/media.git git checkout -b origin/media-0005-sensors media-0005-sensors make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- omap2plus_defconfig make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- menuconfig Select "Device Drivers->Multimedia support" (CONFIG_MEDIA_SUPPORT) and enter to the submenu. --- Multimedia support *** Multimedia core support *** [*] Media Controller API (EXPERIMENTAL) <*> Video For Linux [*] Enable Video For Linux API 1 (DEPRECATED) (NEW) [*] V4L2 sub-device userspace API (EXPERIMENTAL) [*] Video capture adapters ---> --- Video capture adapters <*> OMAP 3 Camera support (EXPERIMENTAL) [*] OMAP 3 Camera debug messages Encoders/decoders and other helper chips ---> <*> Texas Instruments TVP5150 video decoder make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- uImage modules Note: Building OMAP 3 Camera support as module fails with error ERROR: "omap_pm_set_min_bus_tput" [drivers/media/video/isp/omap3-isp.ko] undefined! ======= Helper: media-ctl ======= git clone git://git.ideasonboard.org/media-ctl.git git checkout origin/new-api -b new-api make CROSS_COMPILE=arm-none-linux-gnueabi- KDIR=<kernel include dir> ./media-ctl -p cat /sys/devices/platform/omap3isp/video4linux/v4l-subdev2/name; cat /sys/devices/platform/omap3isp/video4linux/v4l-subdev2/dev OMAP3 ISP CCDC 81:4 mknod /dev/v4l-subdev2 c 81 4 cat /sys/devices/platform/omap3isp/video4linux/v4l-subdev8/name; cat /sys/devices/platform/omap3isp/video4linux/v4l-subdev8/dev tvp5150 2-005c 81:15 mknod /dev/v4l-subdev8 c 81 15 mknod /dev/video2 c 81 5 ./media-ctl -r -l '"tvp5150 2-005c":0->"OMAP3 ISP CCDC":0[1], "OMAP3 ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]' gst-launch v4l2src device=/dev/video2 ! ffmpegcolorspace ! fakesink ======= Patches =======<pre>diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.cindex 5892766..af2ebe7 100644--- a/drivers/media/video/tvp5150.c+++ b/drivers/media/video/tvp5150.c@@ -8,10 +8,13 @@ #include <linux/i2c.h> #include <linux/slab.h> #include <linux/videodev2.h>+#include <linux/v4l2-mediabus.h> #include <linux/delay.h>+#include <media/v4l2-chip-ident.h>+#include <media/v4l2-ctrls.h> #include <media/v4l2-device.h>+#include <media/v4l2-subdev.h> #include <media/tvp5150.h>-#include <media/v4l2-chip-ident.h> #include "tvp5150_reg.h" @@ -67,6 +70,7 @@ static struct v4l2_queryctrl tvp5150_qctrl[] = { struct tvp5150 { struct v4l2_subdev sd;+ struct media_pad pad; v4l2_std_id norm; /* Current set standard */ u32 input;@@ -1059,6 +1063,7 @@ static int tvp5150_probe(struct i2c_client *c, { struct tvp5150 *core; struct v4l2_subdev *sd;+ int ret; /* Check if the adapter supports the needed features */ if (!i2c_check_functionality(c->adapter,@@ -1071,6 +1076,8 @@ static int tvp5150_probe(struct i2c_client *c, } sd = &core->sd; v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);+ core->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;+ v4l_info(c, "chip found @ 0x%02x (%s)\n", c->addr << 1, c->adapter->name); @@ -1084,7 +1091,13 @@ static int tvp5150_probe(struct i2c_client *c, if (debug > 1) tvp5150_log_status(sd);- return 0;++ core->pad.flags = MEDIA_PAD_FLAG_OUTPUT;+ ret = media_entity_init(&core->sd.entity, 1, &core->pad, 0);+ if (ret < 0)+ kfree(core);++ return ret; } static int tvp5150_remove(struct i2c_client *c)@@ -1096,6 +1109,7 @@ static int tvp5150_remove(struct i2c_client *c) c->addr << 1); v4l2_device_unregister_subdev(sd);+ media_entity_cleanup(&sd->entity); kfree(to_tvp5150(sd)); return 0; }</pre> <pre>diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.cindex 5e035a5..ea7e082 100644--- a/arch/arm/mach-omap2/board-igep0020.c+++ b/arch/arm/mach-omap2/board-igep0020.c@@ -32,6 +32,7 @@ #include <plat/display.h> #include <plat/onenand.h> +#include "devices.h" #include "mux.h" #include "hsmmc.h" #include "sdram-numonyx-m65kxxxxam.h"@@ -546,6 +547,10 @@ static void __init igep2_i2c_init(void) if (ret) pr_warning("IGEP2: Could not register I2C1 bus (%d)\n", ret); + ret = omap_register_i2c_bus(2, 400, NULL, 0);+ if (ret)+ pr_warning("IGEP2: Could not register I2C2 bus (%d)\n", ret);+ /* * Bus 3 is attached to the DVI port where devices like the pico DLP * projector don't work reliably with 400kHz@@ -625,6 +630,44 @@ static void __init igep2_wlan_bt_init(void) static inline void __init igep2_wlan_bt_init(void) { } #endif +#include <linux/videodev2.h>++#include "../../../drivers/media/video/isp/isp.h"+#include "../../../drivers/media/video/isp/ispreg.h"++static struct i2c_board_info igep0022_camera_i2c_devices[] = {+ {+ I2C_BOARD_INFO("tvp5150", (0xb8 >> 1)),+ /* .platform_data = &rx51_et8ek8_platform_data, */+ },+};++static struct isp_subdev_i2c_board_info igep0022_camera_primary_subdevs[] = {+ {+ .board_info = &igep0022_camera_i2c_devices[0],+ .i2c_adapter_id = 2,+ },+ { NULL, 0, },+};++static struct isp_v4l2_subdevs_group igep0022_camera_subdevs[] = {+ {+ .subdevs = igep0022_camera_primary_subdevs,+ .interface = ISP_INTERFACE_PARALLEL,+ .bus = { .parallel = {+ .width = 8,+ .data_lane_shift = 0,+ .clk_pol = 0,+ .bridge = ISPCTRL_PAR_BRIDGE_DISABLE,+ } },+ },+ { NULL, 0, },+};++static struct isp_platform_data igep0022_isp_pdata = {+ .subdevs = igep0022_camera_subdevs,+};+ static void __init igep2_init(void) { omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);@@ -649,6 +692,9 @@ static void __init igep2_init(void) */ igep2_wlan_bt_init(); + /* Camera interface */+ if (omap3_init_camera(&igep0022_isp_pdata) < 0)+ pr_warning("IGEP2: Unable to register camera platform \n"); } MACHINE_START(IGEP0020, "IGEP v2 board")</pre> ======= Information ======= '''Assumptions'''* Device: TVP5151* Input connector: S-video (AIP1A (luminance), AIP1B (chrominance))* Video Format: NTSC (M, 4.43), PAL (B, G, H, I, M, N, Nc) or SECAM (B, D, G, K1, L)* Output format: 8-bit 4:2:2 YCbCr with discrete sync outputs '''Recommended Settings''' Recommended I2C writes: This setup requires additional writes to output the discrete sync 4:2:2 data outputs, the HSYNC, and the VSYNC, and to autoswitch between all video formats mentioned above.* I2C register address 00h = Video input source selection #1 register** I2C data 00h = Selects the Composite input* I2C register address 03h = Miscellaneous controls register address** I2C data 0Dh = Enables the YCbCr output data, HSYNC, VSYNC/PALI, AVID, and FID/GLCO* I2C register address 04h = Autoswitch mask register** I2C data C0h = Unmask NTSC-4.43, PAL-N, and PAL-M from the autoswitch process* I2C register address 0Dh = Outputs and data rates select register** I2C data 40h = Enables 8-bit 4:2:2 YCbCr with discrete sync output i2cset -f -y 2 0x5c 0x00 0x00 i2cset -f -y 2 0x5c 0x03 0x0d i2cset -f -y 2 0x5c 0x04 0xc0 i2cset -f -y 2 0x5c 0x0d 0x40 ... UNDER DEVELOPMENT ...
--- That's all folks ---
[[Category:Software distributions|Poky]]