glamo backlight

Sun Apr 11 20:26:50 CEST 2010

sthg. happend with my subscription.... hope this time my email will
reach the list...

On Fri, Apr 9, 2010 at 12:43 PM, mobi phil <mobi at mobiphil.com> wrote:
> Hello,
>
> I sent my prev.email to the community list, probably that is why I did
> not get any help. I think Thomas (White) is very busy, otherwise he
> should have given answer.
>
> I am trying to use a kernel on 2.6.32 drm branch, but there are
> problems with the backlight. I got a "JBT not initialised!!" error
> blahblah.
>
> I looked into the driver code, and I see that theg jbt spi driver is
> not initialized. I think spi does not detect the jbt6k74 device,
> therefore it is not calling the driver init?
>
> fyi: /sys/bus/spi/devices does not list the jbt6k74 device... What
> could go wrong?
>
>
> I would really appreciate your help
> mobiphil
>
>
>
> On Wed, Mar 31, 2010 at 4:40 AM, mobi phil <mobi at mobiphil.com> wrote:
>> FYI: from dmesg below. Strange is the error message:
>>
>>
>> JBT not initialised!!! ... however I have the corresponding drivers:
>>
>> CONFIG_LCD_JBT6K74=y
>> CONFIG_BACKLIGHT_CLASS_DEVICE=y
>> CONFIG_BACKLIGHT_GENERIC=y
>> CONFIG_BACKLIGHT_PCF50633=y
>> CONFIG_DISPLAY_SUPPORT=y
>>
>> CONFIG_DUMMY_CONSOLE=y
>> CONFIG_FRAMEBUFFER_CONSOLE=y
>> CONFIG_MFD_PCF50633=y
>> # CONFIG_MFD_MC13783 is not set
>> CONFIG_PCF50633_ADC=y
>> # CONFIG_AB3100_CORE is not set
>> # CONFIG_EZX_PCAP is not set
>> CONFIG_MFD_GLAMO=y
>> # CONFIG_MFD_GLAMO_FB is not set
>> CONFIG_MFD_GLAMO_GPIO=y
>> CONFIG_MFD_GLAMO_MCI=y
>> CONFIG_MFD_GLAMO_DRM=y
>> CONFIG_REGULATOR=y
>> CONFIG_REGULATOR_DEBUG=y
>>
>>
>>
>> S3C24XX DMA Driver, (c) 2003-2004,2006 Simtec Electronics
>> DMA channel 0 at c8808000, irq 33
>> DMA channel 1 at c8808040, irq 34
>> DMA channel 2 at c8808080, irq 35
>> DMA channel 3 at c88080c0, irq 36
>> S3C244X: Clock Support, DVS off
>> s3c24xx-pwm s3c24xx-pwm.0: tin at 25000000, tdiv at 25000000, tin=divclk, base 0
>> s3c24xx-pwm s3c24xx-pwm.1: tin at 25000000, tdiv at 25000000, tin=divclk, base 8
>> s3c24xx-pwm s3c24xx-pwm.3: tin at 8333333, tdiv at 8333333, tin=divclk, base 16
>> bio: create slab <bio-0> at 0
>> s3c-i2c s3c2440-i2c: slave address 0x10
>> s3c-i2c s3c2440-i2c: bus frequency set to 97 KHz
>> pcf50633 0-0073: Probed device version 19 variant 132
>> regulator: auto: 3300 mV normal
>> regulator: down1: 1300 <--> 1600 mV normal
>> regulator: down2: 1800 mV normal
>> regulator: ldo1: 3300 mV normal
>> regulator: ldo2: 3300 mV normal
>> regulator: ldo3: 3000 mV normal
>> regulator: ldo4: 3200 mV normal
>> regulator: ldo5: 3000 mV normal
>> regulator: ldo6: 3000 mV normal
>> regulator: hcldo: 2000 <--> 3300 mV normal
>> regulator: memldo: 1800 mV normal
>> wake enabled for irq 53
>> s3c24xx-pwm s3c24xx-pwm.2: tin at 8333333, tdiv at 8333333, tin=divclk, base 12
>> s3c-i2c s3c2440-i2c: i2c-0: S3C I2C adapter
>> NET: Registered protocol family 2
>> IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
>> TCP established hash table entries: 4096 (order: 3, 32768 bytes)
>> TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
>> TCP: Hash tables configured (established 4096 bind 4096)
>> TCP reno registered
>> NET: Registered protocol family 1
>> gta02-pm-bt gta02-pm-bt.0: Openmoko Freerunner Bluetooth Power
>> Management: starting
>> gta02-pm-gps gta02-pm-gps.0: starting
>> gta02-pm-wlan gta02-pm-wlan.0: starting
>> JFFS2 version 2.2. (NAND) (SUMMARY)  Â© 2001-2006 Red Hat, Inc.
>> msgmni has been set to 246
>> alg: No test for stdrng (krng)
>> io scheduler noop registered
>> io scheduler deadline registered (default)
>> [drm] Initialized drm 1.1.0 20060810
>> s3c2440-uart.0: s3c2410_serial0 at MMIO 0x50000000 (irq = 70) is a S3C2440
>> s3c2440-uart.1: s3c2410_serial1 at MMIO 0x50004000 (irq = 73) is a S3C2440
>> s3c2440-uart.2: s3c2410_serial2 at MMIO 0x50008000 (irq = 76) is a S3C2440
>> glamo3362 glamo3362.0: Glamo core PLL1: 49119232Hz, PLL2: 89980928Hz
>> glamo-mci glamo-mci.0: glamo_mci driver (C)2007 Openmoko, Inc
>> glamo-mci glamo-mci.0: glamo_mci_set_ios: power down.
>> ENABLE
>> [glamo-drm] SMedia Glamo Direct Rendering Support
>> [glamo-drm] 8187904 bytes of VRAM
>> [glamo-drm] Allocated 480x640 fb: bo c791d900
>> JBT not initialised!!!
>> [drm] DAC-5: set mode 480x640 6
>> Console: switching to colour frame buffer device 80x58
>> [glamo-drm] fb0: glamodrmfb frame buffer device
>> [glamo-drm] Registered panic notifier
>> [drm] Initialized glamo-drm 0.1.0 20090614 on minor 0
>> glamo-mci glamo-mci.0: powered (vdd = 21) clk: 0kHz div=0 (req: 0kHz).
>> Bus width=0
>> physmap platform flash device: 00200000 at 18000000
>> physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank
>>  Intel/Sharp Extended Query Table at 0x0039
>>  Intel/Sharp Extended Query Table at 0x0039
>>  Intel/Sharp Extended Query Table at 0x0039
>>  Intel/Sharp Extended Query Table at 0x0039
>>  Intel/Sharp Extended Query Table at 0x0039
>> cfi_cmdset_0001: Erase suspend on write enabled
>> erase region 0: offset=0x0,size=0x2000,blocks=8
>> erase region 1: offset=0x10000,size=0x10000,blocks=31
>> physmap-flash.0: 1 set(s) of 1 interleaved chips --> 4 partitions of 512 KiB
>> RedBoot partition parsing not available
>> S3C24XX NAND Driver, (c) 2004 Simtec Electronics
>> s3c2410_nand_probe(c034bff0)
>> s3c24xx-nand s3c2440-nand: mapped registers at c9400000
>> result 0 from 100000, 0
>> result 3 from 100000, 25
>> result 2 from 100000, 15
>> s3c24xx-nand s3c2440-nand: Tacls=1, 10ns Twrph0=3 30ns, Twrph1=2 20ns
>> s3c24xx-nand s3c2440-nand: NF_CONF is 0xc21e
>> initialising set 0 (c791a400, info c791e860)
>> s3c24xx-nand s3c2440-nand: NAND soft ECC
>> NAND device: Manufacturer ID: 0xec, Chip ID: 0xaa (Samsung NAND 256MiB
>> 1,8V 8-bit)
>> s3c24xx-nand s3c2440-nand: chip c791a588 => page shift 11
>> 6 cmdlinepart partitions found on MTD device neo1973-nand
>> Creating 6 MTD partitions on "neo1973-nand":
>> 0x000000000000-0x000000040000 : "qi"
>> glamo-mci glamo-mci.0: powered (vdd = 21) clk: 399kHz div=0 (req:
>> 400kHz). Bus width=0
>> 0x000000040000-0x000000080000 : "depr-ub-env"
>> 0x000000080000-0x000000880000 : "kernel"
>> 0x000000880000-0x000000920000 : "depr"
>> glamo-mci glamo-mci.0: powered (vdd = 21) clk: 399kHz div=0 (req:
>> 400kHz). Bus width=0
>> 0x000000920000-0x000000960000 : "identity-ext2"
>> 0x000000960000-0x000010000000 : "rootfs"
>> glamo-mci glamo-mci.0: powered (vdd = 21) clk: 399kHz div=0 (req:
>> 400kHz). Bus width=0
>> initialised ok
>> s3c2410_udc: debugfs dir creation failed -19
>> s3c2440-usbgadget s3c2440-usbgadget: S3C2440: increasing FIFO to 128 bytes
>> usb0: MAC 00:1f:11:01:67:82
>> usb0: HOST MAC 00:1f:11:01:67:83
>> g_ether gadget: Ethernet Gadget, version: Memorial Day 2008
>> g_ether gadget: g_ether ready
>> mice: PS/2 mouse device common for all mice
>> s3c2440-ts s3c2440-ts: Starting
>> s3c2440-ts s3c2440-ts: Created Group filter len:12 coords:2 close:10 thresh:6
>> s3c2440-ts s3c2440-ts: Created Median filter len:20 coords:2 dec_threshold:24
>> s3c2440-ts s3c2440-ts: Created Mean filter len:4 coords:2
>> s3c2440-ts s3c2440-ts: Created Linear filter coords:2
>> s3c2440-ts s3c2440-ts: 4 filter(s) initialized
>> s3c2440-ts s3c2440-ts: Successfully loaded
>> input: s3c2410 TouchScreen as /class/input/input0
>> input: PCF50633 PMU events as /class/input/input1
>> pcf50633-rtc pcf50633-rtc: rtc core: registered pcf50633-rtc as rtc0
>>
>>
>>
>>
>>
>>> tried to build on gdrm-2.6.32, but backlight is gone... I seems that
>>> if I build with the obsolete xxxx_glamo_fb, then it works...
>>
>>
>>
>> --
>> rgrds,
>> mobi phil
>>
>> being mobile, but including technology
>> http://mobiphil.com
>>
>
>
>
> --
> rgrds,
> mobi phil
>
> being mobile, but including technology
> http://mobiphil.com
>

-- 
rgrds,
mobi phil

being mobile, but including technology
http://mobiphil.com