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Message-ID: <20100120065951.GB26053@atrey.karlin.mff.cuni.cz>
Date: Wed, 20 Jan 2010 07:59:51 +0100
From: Pavel Machek <pavel@....cz>
To: flameman mayer <flamemaniii@...il.com>
Cc: rpurdie@...ys.net, lenz@...wisc.edu,
kernel list <linux-kernel@...r.kernel.org>, arminlitzel@....de,
Cyril Hrubis <metan@....cz>, thommycheck@...il.com,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
dbaryshkov@...il.com, omegamoon@...il.com, eric.y.miao@...il.com,
utx@...guin.cz, zaurus-devel@...ts.linuxtogo.org
Subject: Re: 2.6.23 irda
> about irda on 2.6.23, it seems to me there is a bit of code missing ...
> i wander who and where is calling
> "akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);"
Okay, I'm not using akita, and 2.6.23 is very historic. Can you try on
recent kernel?
> cause i need AKITA_IOEXP_IR_ON
>
>
> 2010-01-19--01-28 [irda] doesitneedsomekindofmagic?
> arch/arm/mach-pxa/spitz.c
> /*
> * Irda on spitz != akita? if so you can have an idea
> */
> static void spitz_irda_transceiver_mode(struct device *dev, int mode)
> {
> if (mode & IR_OFF)
> set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
> else
> reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
> }
>
> /* Spitz Scoop Device (No. 2) GPIOs */
> /* Suspend States in comments
> * Spitz only, Akita uses corresponding AKITA_IOEXP_ */
> #define SPITZ_SCP2_IR_ON SCOOP_GPCR_PA11 /* IrDA On, High */
>
> /* These UART GPIO pins are connected to IrDA:
> * GPIO46_STRXD
> * GPIO47_STTXD
> */
>
>
>
> http://www.linuxhq.com/kernel/v2.6/27-git2/arch/arm/mach-pxa/spitz.c
>
>
> #ifdef CONFIG_MACH_AKITA
> static void akita_irda_transceiver_mode(struct device *dev, int mode)
> {
> - if (mode & IR_OFF)
> - akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
> - else
> - akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
> + gpio_set_value(AKITA_GPIO_IR_ON, mode & IR_OFF);
> pxa2xx_transceiver_mode(dev, mode);
> }
> #endif
>
>
>
>
>
> on my 2.6.23 three i run the following script
>
> my() {
> echo "[*] $1"
> echo "echo [*] $1 >> my-irda.log"
> grep -r $1 $2 * >> my-irda.log
> }
>
> #echo > my-irda.log
> my "irda_startup"
> my "SPITZ_GPIO_IR_ON"
> my "gpio_request(SPITZ_GPIO_IR_ON"
> my "irda_shutdown"
> my "irda_transceiver_mode"
>
>
> and i get
>
> drivers/net/irda/sa1100_ir.c:static int sa1100_irda_startup(struct
> sa1100_irda *si)
> drivers/net/irda/sa1100_ir.c: sa1100_irda_startup(si);
> drivers/net/irda/sa1100_ir.c: err = sa1100_irda_startup(si);
> drivers/net/irda/pxaficp_ir.c:static void pxa_irda_startup(struct pxa_irda *si)
> drivers/net/irda/pxaficp_ir.c: pxa_irda_startup(si);
> drivers/net/irda/pxaficp_ir.c: pxa_irda_startup(si);
> drivers/net/irda/sa1100_ir.c:static int sa1100_irda_startup(struct
> sa1100_irda *si)
> drivers/net/irda/sa1100_ir.c: sa1100_irda_startup(si);
> drivers/net/irda/sa1100_ir.c: err = sa1100_irda_startup(si);
> drivers/net/irda/pxaficp_ir.c:static void pxa_irda_startup(struct pxa_irda *si)
> drivers/net/irda/pxaficp_ir.c: pxa_irda_startup(si);
> drivers/net/irda/pxaficp_ir.c: pxa_irda_startup(si);
> drivers/net/irda/sa1100_ir.c:static void sa1100_irda_shutdown(struct
> sa1100_irda *si)
> drivers/net/irda/sa1100_ir.c: sa1100_irda_shutdown(si);
> drivers/net/irda/sa1100_ir.c: sa1100_irda_shutdown(si);
> drivers/net/irda/sa1100_ir.c: sa1100_irda_shutdown(si);
> drivers/net/irda/pxaficp_ir.c:static void pxa_irda_shutdown(struct pxa_irda *si)
> drivers/net/irda/pxaficp_ir.c: pxa_irda_shutdown(si);
> drivers/net/irda/pxaficp_ir.c: pxa_irda_shutdown(si);
> drivers/net/irda/pxaficp_ir.c: pxa_irda_shutdown(si);
> net/irda/af_irda.c: /* Prevent race conditions with irda_release()
> and irda_shutdown() */
> net/irda/af_irda.c: * Function irda_shutdown (sk, how)
> net/irda/af_irda.c:static int irda_shutdown(struct socket *sock, int how)
> net/irda/af_irda.c: .shutdown = irda_shutdown,
> net/irda/af_irda.c: .shutdown = irda_shutdown,
> net/irda/af_irda.c: .shutdown = irda_shutdown,
> net/irda/af_irda.c: .shutdown = irda_shutdown,
> arch/arm/mach-pxa/lubbock.c:static void
> lubbock_irda_transceiver_mode(struct device *dev, int mode)
> arch/arm/mach-pxa/lubbock.c: .transceiver_mode =
> lubbock_irda_transceiver_mode,
> arch/arm/mach-pxa/spitz.c:static void
> spitz_irda_transceiver_mode(struct device *dev, int mode)
> arch/arm/mach-pxa/spitz.c:static void
> akita_irda_transceiver_mode(struct device *dev, int mode)
> arch/arm/mach-pxa/spitz.c: .transceiver_mode = spitz_irda_transceiver_mode,
> arch/arm/mach-pxa/spitz.c:
> spitz_ficp_platform_data.transceiver_mode =
> akita_irda_transceiver_mode;
> arch/arm/mach-pxa/mainstone.c:static void
> mainstone_irda_transceiver_mode(struct device *dev, int mode)
> arch/arm/mach-pxa/mainstone.c: .transceiver_mode =
> mainstone_irda_transceiver_mode,
> arch/arm/mach-pxa/tosa.c:static void tosa_irda_transceiver_mode(struct
> device *dev, int mode)
> arch/arm/mach-pxa/tosa.c: .transceiver_mode = tosa_irda_transceiver_mode,
> arch/arm/mach-pxa/poodle.c:static void
> poodle_irda_transceiver_mode(struct device *dev, int mode)
> arch/arm/mach-pxa/poodle.c: .transceiver_mode =
> poodle_irda_transceiver_mode,
> arch/arm/mach-pxa/htcuniversal/htcuniversal.c:static void
> htcuniversal_irda_transceiver_mode(struct device *dev, int mode)
> arch/arm/mach-pxa/htcuniversal/htcuniversal.c: .transceiver_mode =
> htcuniversal_irda_transceiver_mode,
> arch/arm/mach-pxa/corgi.c:static void
> corgi_irda_transceiver_mode(struct device *dev, int mode)
> arch/arm/mach-pxa/corgi.c: .transceiver_mode = corgi_irda_transceiver_mode,
> arch/arm/mach-pxa/spitz.c.original:static void
> spitz_irda_transceiver_mode(struct device *dev, int mode)
> arch/arm/mach-pxa/spitz.c.original:static void
> akita_irda_transceiver_mode(struct device *dev, int mode)
> arch/arm/mach-pxa/spitz.c.original: .transceiver_mode =
> spitz_irda_transceiver_mode,
> arch/arm/mach-pxa/spitz.c.original:
> spitz_ficp_platform_data.transceiver_mode =
> akita_irda_transceiver_mode;
>
>
>
>
>
> could you point me into the right way ?
> then i will write a kernel modul that will call
> static void akita_irda_transceiver_mode(struct device *dev, int mode)
> ot
> akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
>
> what "dev" needs ?
>
>
> (i am not so skilled about kernel module)
> regards
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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