On Tue, May 14, 2013 at 03:01:03PM +0200, NeZetiC wrote:
> >Synopsis: Elantech touchpad v2 detected but synaptics fails
> >Category: kernel
> >Environment:
> System : OpenBSD 5.3
> Details : OpenBSD 5.3 (EEEPC) #5: Tue May 14 11:51:36 CEST 2013
> [email protected]
> :/var/src/sys/arch/i386/compile/EEEPC
>
> Architecture: OpenBSD.i386
> Machine : i386
> >Description:
> My laptop have an Elantech touchpad. It's a v2 generation, firmware
> version 0x140200.
> OpenBSD -current contains patchs for supporting this kind of
> touchpad via synaptics.
> On my computer, -current kernel pms driver detects and initializes
> it successfully.
> But synaptics xserver driver fail to load.
> Kernel report a timeout (pckbc: command timeout).
> >How-To-Repeat:
> - Computer with Elantech touchpad (v2, firmware 0x140200)
> - Boot OpenBSD -current kernel
> - Touchpad is detected
> - Start X11
> - Synaptics module fails to initialize
> >Fix:
> Patching pms kernel driver, using values from linux kernel
> fix the bug on my laptop (but I didn't investigated why).
>
> Synaptics loads without error, and touchpad is fully supported.
>
> --- dev/pckbc/pms-new.c Mon May 13 12:43:22 2013
> +++ dev/pckbc/pms.c Tue May 14 11:59:15 2013
> @@ -1492,22 +1492,22 @@
> elantech_ps2_cmd(sc, ELANTECH_PS2_CUSTOM_COMMAND) ||
> elantech_ps2_cmd(sc, 0x10) ||
> elantech_ps2_cmd(sc, ELANTECH_PS2_CUSTOM_COMMAND) ||
> - elantech_ps2_cmd(sc, 0x54) ||
> + elantech_ps2_cmd(sc, 0xc4) ||
> pms_set_scaling(sc, 1) ||
> elantech_ps2_cmd(sc, ELANTECH_PS2_CUSTOM_COMMAND) ||
> elantech_ps2_cmd(sc, ELANTECH_CMD_WRITE_REG) ||
> elantech_ps2_cmd(sc, ELANTECH_PS2_CUSTOM_COMMAND) ||
> elantech_ps2_cmd(sc, 0x11) ||
> elantech_ps2_cmd(sc, ELANTECH_PS2_CUSTOM_COMMAND) ||
> - elantech_ps2_cmd(sc, 0x88) ||
> - pms_set_scaling(sc, 1) ||
> - elantech_ps2_cmd(sc, ELANTECH_PS2_CUSTOM_COMMAND) ||
> + elantech_ps2_cmd(sc, 0x8a) ||
> + pms_set_scaling(sc, 1)) //||
> + /*elantech_ps2_cmd(sc, ELANTECH_PS2_CUSTOM_COMMAND) ||
> elantech_ps2_cmd(sc, ELANTECH_CMD_WRITE_REG) ||
> elantech_ps2_cmd(sc, ELANTECH_PS2_CUSTOM_COMMAND) ||
> elantech_ps2_cmd(sc, 0x21) ||
> elantech_ps2_cmd(sc, ELANTECH_PS2_CUSTOM_COMMAND) ||
> elantech_ps2_cmd(sc, 0x88) ||
> - pms_set_scaling(sc, 1))
> + pms_set_scaling(sc, 1))*/
> return (-1);
>
> /* Read back reg 0x10 to ensure hardware is ready. */
>
> dmesg:
> OpenBSD 5.3 (EEEPC) #5: Tue May 14 11:51:36 CEST 2013
> [email protected]:/var/src/sys/arch/i386/compile/EEEPC
> cpu0: Intel(R) Atom(TM) CPU N455 @ 1.66GHz ("GenuineIntel" 686-class) 1.67
> GHz
> cpu0:
> FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,NXE,LONG,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM,MOVBE,LAHF,PERF
> real mem = 1063383040 (1014MB)
> avail mem = 1034997760 (987MB)
> mainbus0 at root
> bios0 at mainbus0: AT/286+ BIOS, date 04/12/11, BIOS32 rev. 0 @ 0xf0010,
> SMBIOS rev. 2.6 @ 0xf0760 (31 entries)
> bios0: vendor American Megatrends Inc. version "0703" date 04/12/2011
> bios0: ASUSTeK Computer INC. 1001PXD
> acpi0 at bios0: rev 2
> acpi0: sleep states S0 S3 S4 S5
> acpi0: tables DSDT FACP APIC MCFG ECDT OEMB HPET GSCI SSDT SLIC
> acpi0: wakeup devices P0P1(S4) P0P4(S4) P0P5(S4) P0P6(S4) P0P7(S4)
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: apic clock running at 166MHz
> cpu1 at mainbus0: apid 1 (application processor)
> cpu1: Intel(R) Atom(TM) CPU N455 @ 1.66GHz ("GenuineIntel" 686-class) 1.67
> GHz
> cpu1:
> FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,NXE,LONG,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM,MOVBE,LAHF,PERF
> ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
> ioapic0: misconfigured as apic 1, remapped to apid 2
> acpimcfg0 at acpi0 addr 0xe0000000, bus 0-255
> acpiec0 at acpi0
> acpihpet0 at acpi0: 14318179 Hz
> acpiprt0 at acpi0: bus 0 (PCI0)
> acpiprt1 at acpi0: bus 4 (P0P4)
> acpiprt2 at acpi0: bus 2 (P0P5)
> acpiprt3 at acpi0: bus -1 (P0P6)
> acpiprt4 at acpi0: bus 1 (P0P7)
> acpicpu0 at acpi0: C2, C1, PSS
> acpicpu1 at acpi0: C2, C1, PSS
> acpitz0 at acpi0: critical temperature is 98 degC
> acpibat0 at acpi0: BAT0 model "1001PXD" serial type LION oem "ASUS"
> acpiac0 at acpi0: AC unit online
> acpiasus0 at acpi0
> acpibtn0 at acpi0: LID_
> acpibtn1 at acpi0: SLPB
> acpibtn2 at acpi0: PWRB
> bios0: ROM list: 0xc0000/0xda00!
> cpu0: Enhanced SpeedStep 1667 MHz: speeds: 1667, 1333, 1000 MHz
> pci0 at mainbus0 bus 0: configuration mode 1 (bios)
> pchb0 at pci0 dev 0 function 0 "Intel Pineview DMI" rev 0x00
> vga1 at pci0 dev 2 function 0 "Intel Pineview Video" rev 0x00
> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
> wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
> intagp0 at vga1
> agp0 at intagp0: aperture at 0xd0000000, size 0x10000000
> inteldrm0 at vga1: apic 2 int 16
> drm0 at inteldrm0
> "Intel Pineview Video" rev 0x00 at pci0 dev 2 function 1 not configured
> azalia0 at pci0 dev 27 function 0 "Intel 82801GB HD Audio" rev 0x02: msi
> azalia0: codecs: Realtek ALC269
> audio0 at azalia0
> ppb0 at pci0 dev 28 function 0 "Intel 82801GB PCIE" rev 0x02: apic 2 int 16
> pci1 at ppb0 bus 4
> ppb1 at pci0 dev 28 function 1 "Intel 82801GB PCIE" rev 0x02: apic 2 int 17
> pci2 at ppb1 bus 2
> athn0 at pci2 dev 0 function 0 "Atheros AR9285" rev 0x01: apic 2 int 17
> athn0: AR9285 rev 2 (1T1R), ROM rev 14, address 74:2f:68:8c:f3:14
> ppb2 at pci0 dev 28 function 3 "Intel 82801GB PCIE" rev 0x02: apic 2 int 19
> pci3 at ppb2 bus 1
> alc0 at pci3 dev 0 function 0 "Attansic Technology L2C" rev 0xc1: msi,
> address 14:da:e9:3b:c3:4b
> atphy0 at alc0 phy 0: F2 10/100 PHY, rev. 5
> uhci0 at pci0 dev 29 function 0 "Intel 82801GB USB" rev 0x02: apic 2 int 23
> uhci1 at pci0 dev 29 function 1 "Intel 82801GB USB" rev 0x02: apic 2 int 19
> uhci2 at pci0 dev 29 function 2 "Intel 82801GB USB" rev 0x02: apic 2 int 18
> uhci3 at pci0 dev 29 function 3 "Intel 82801GB USB" rev 0x02: apic 2 int 16
> ehci0 at pci0 dev 29 function 7 "Intel 82801GB USB" rev 0x02: apic 2 int 23
> usb0 at ehci0: USB revision 2.0
> uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
> ppb3 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0xe2
> pci4 at ppb3 bus 5
> pcib0 at pci0 dev 31 function 0 "Intel NM10 LPC" rev 0x02
> ahci0 at pci0 dev 31 function 2 "Intel 82801GR AHCI" rev 0x02: msi, AHCI 1.1
> scsibus0 at ahci0: 32 targets
> sd0 at scsibus0 targ 0 lun 0: <ATA, WDC WD3200BPVT-8, 01.0> SCSI3 0/direct
> fixed naa.50014ee205fede22
> sd0: 305245MB, 512 bytes/sector, 625142448 sectors
> ichiic0 at pci0 dev 31 function 3 "Intel 82801GB SMBus" rev 0x02: apic 2
> int 21
> iic0 at ichiic0
> spdmem0 at iic0 addr 0x50: 1GB DDR3 SDRAM PC3-10600 SO-DIMM
> usb1 at uhci0: USB revision 1.0
> uhub1 at usb1 "Intel UHCI root hub" rev 1.00/1.00 addr 1
> usb2 at uhci1: USB revision 1.0
> uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1
> usb3 at uhci2: USB revision 1.0
> uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1
> usb4 at uhci3: USB revision 1.0
> uhub4 at usb4 "Intel UHCI root hub" rev 1.00/1.00 addr 1
> isa0 at pcib0
> isadma0 at isa0
> pckbc0 at isa0 port 0x60/5
> pckbd0 at pckbc0 (kbd slot)
> pckbc0: using irq 1 for kbd slot
> wskbd0 at pckbd0: console keyboard, using wsdisplay0
> pms0 at pckbc0 (aux slot)
> pckbc0: using irq 12 for aux slot
> wsmouse0 at pms0 mux 0
> pms0: Elantech Touchpad, version 2
> pcppi0 at isa0 port 0x61
> spkr0 at pcppi0
> npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
> mtrr: Pentium Pro MTRR support
> uvideo0 at uhub0 port 6 configuration 1 interface 0 "Azurewave USB 2.0 UVC
> VGA WebCam" rev 2.00/12.04 addr 2
> video0 at uvideo0
> vscsi0 at root
> scsibus1 at vscsi0: 256 targets
> softraid0 at root
> scsibus2 at softraid0: 256 targets
> root on sd0a (ec0f1db50330855e.a) swap on sd0b dump on sd0b
>
Could you check this patch?
--
Alexandr Shadchin
Index: pms.c
===================================================================
RCS file: /cvs/src/sys/dev/pckbc/pms.c,v
retrieving revision 1.41
diff -u -p -r1.41 pms.c
--- pms.c 20 Apr 2013 08:01:37 -0000 1.41
+++ pms.c 20 May 2013 07:49:52 -0000
@@ -1508,7 +1508,7 @@ elantech_set_absolute_mode_v2(struct pms
elantech_ps2_cmd(sc, ELANTECH_PS2_CUSTOM_COMMAND) ||
elantech_ps2_cmd(sc, 0x21) ||
elantech_ps2_cmd(sc, ELANTECH_PS2_CUSTOM_COMMAND) ||
- elantech_ps2_cmd(sc, 0x88) ||
+ elantech_ps2_cmd(sc, 0x60) ||
pms_set_scaling(sc, 1))
return (-1);
