From 6bd72f0562142ddae26a052cfc4e578ad6953d06 Mon Sep 17 00:00:00 2001 From: Russell King Date: Thu, 26 Jan 2012 11:01:18 +0000 Subject: ARM: sa1111: add shutdown hook to sa1111_driver structure Add a shutdown hook to the sa1111_driver structure to allow drivers to be notified of system reboots and shutdowns. Acked-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/include/asm/hardware/sa1111.h | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/arm/include/asm/hardware') diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h index 92ed254c175..29e320f6f85 100644 --- a/arch/arm/include/asm/hardware/sa1111.h +++ b/arch/arm/include/asm/hardware/sa1111.h @@ -548,6 +548,7 @@ struct sa1111_driver { int (*remove)(struct sa1111_dev *); int (*suspend)(struct sa1111_dev *, pm_message_t); int (*resume)(struct sa1111_dev *); + void (*shutdown)(struct sa1111_dev *); }; #define SA1111_DRV(_d) container_of((_d), struct sa1111_driver, drv) -- cgit v1.2.3-70-g09d2 From ae99ddbc976572194e8a68cb9ca1e27805ce30c7 Mon Sep 17 00:00:00 2001 From: Russell King Date: Thu, 26 Jan 2012 13:25:47 +0000 Subject: ARM: sa1111: add platform enable/disable functions Add platform hooks to be called when individual sa1111 devices are enabled and disabled. This will allow us to move some platform specifics out of the individual drivers. Acked-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/common/sa1111.c | 22 +++++++++++++++++----- arch/arm/include/asm/hardware/sa1111.h | 8 ++++++-- drivers/input/serio/sa1111ps2.c | 6 +++++- drivers/pcmcia/sa1111_generic.c | 11 +++++++++-- drivers/usb/host/ohci-sa1111.c | 19 ++++++++++++++----- 5 files changed, 51 insertions(+), 15 deletions(-) (limited to 'arch/arm/include/asm/hardware') diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index b0f93628dcd..1366e82e670 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -106,6 +106,7 @@ struct sa1111 { int irq_base; /* base for cascaded on-chip IRQs */ spinlock_t lock; void __iomem *base; + struct sa1111_platform_data *pdata; #ifdef CONFIG_PM void *saved_state; #endif @@ -756,6 +757,7 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq) sachip->dev = me; dev_set_drvdata(sachip->dev, sachip); + sachip->pdata = pd; sachip->phys = mem->start; sachip->irq = irq; @@ -1282,16 +1284,23 @@ EXPORT_SYMBOL(sa1111_set_sleep_io); * sa1111_enable_device - enable an on-chip SA1111 function block * @sadev: SA1111 function block device to enable */ -void sa1111_enable_device(struct sa1111_dev *sadev) +int sa1111_enable_device(struct sa1111_dev *sadev) { struct sa1111 *sachip = sa1111_chip_driver(sadev); unsigned long flags; unsigned int val; + int ret = 0; - spin_lock_irqsave(&sachip->lock, flags); - val = sa1111_readl(sachip->base + SA1111_SKPCR); - sa1111_writel(val | sadev->skpcr_mask, sachip->base + SA1111_SKPCR); - spin_unlock_irqrestore(&sachip->lock, flags); + if (sachip->pdata && sachip->pdata->enable) + ret = sachip->pdata->enable(sachip->pdata->data, sadev->devid); + + if (ret == 0) { + spin_lock_irqsave(&sachip->lock, flags); + val = sa1111_readl(sachip->base + SA1111_SKPCR); + sa1111_writel(val | sadev->skpcr_mask, sachip->base + SA1111_SKPCR); + spin_unlock_irqrestore(&sachip->lock, flags); + } + return ret; } EXPORT_SYMBOL(sa1111_enable_device); @@ -1309,6 +1318,9 @@ void sa1111_disable_device(struct sa1111_dev *sadev) val = sa1111_readl(sachip->base + SA1111_SKPCR); sa1111_writel(val & ~sadev->skpcr_mask, sachip->base + SA1111_SKPCR); spin_unlock_irqrestore(&sachip->lock, flags); + + if (sachip->pdata && sachip->pdata->disable) + sachip->pdata->disable(sachip->pdata->data, sadev->devid); } EXPORT_SYMBOL(sa1111_disable_device); diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h index 29e320f6f85..d54d781021c 100644 --- a/arch/arm/include/asm/hardware/sa1111.h +++ b/arch/arm/include/asm/hardware/sa1111.h @@ -556,9 +556,10 @@ struct sa1111_driver { #define SA1111_DRIVER_NAME(_sadev) ((_sadev)->dev.driver->name) /* - * These frob the SKPCR register. + * These frob the SKPCR register, and call platform specific + * enable/disable functions. */ -void sa1111_enable_device(struct sa1111_dev *); +int sa1111_enable_device(struct sa1111_dev *); void sa1111_disable_device(struct sa1111_dev *); unsigned int sa1111_pll_clock(struct sa1111_dev *); @@ -581,6 +582,9 @@ void sa1111_set_sleep_io(struct sa1111_dev *sadev, unsigned int bits, unsigned i struct sa1111_platform_data { int irq_base; /* base for cascaded on-chip IRQs */ + void *data; + int (*enable)(void *, unsigned); + void (*disable)(void *, unsigned); }; #endif /* _ASM_ARCH_SA1111 */ diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c index 40ec545fbd4..ad7d23b5c6f 100644 --- a/drivers/input/serio/sa1111ps2.c +++ b/drivers/input/serio/sa1111ps2.c @@ -124,13 +124,16 @@ static int ps2_open(struct serio *io) struct ps2if *ps2if = io->port_data; int ret; - sa1111_enable_device(ps2if->dev); + ret = sa1111_enable_device(ps2if->dev); + if (ret) + return ret; ret = request_irq(ps2if->dev->irq[0], ps2_rxint, 0, SA1111_DRIVER_NAME(ps2if->dev), ps2if); if (ret) { printk(KERN_ERR "sa1111ps2: could not allocate IRQ%d: %d\n", ps2if->dev->irq[0], ret); + sa1111_disable_device(ps2if->dev); return ret; } @@ -140,6 +143,7 @@ static int ps2_open(struct serio *io) printk(KERN_ERR "sa1111ps2: could not allocate IRQ%d: %d\n", ps2if->dev->irq[1], ret); free_irq(ps2if->dev->irq[0], ps2if); + sa1111_disable_device(ps2if->dev); return ret; } diff --git a/drivers/pcmcia/sa1111_generic.c b/drivers/pcmcia/sa1111_generic.c index 27f2fe3b7fb..0735c3e6a8b 100644 --- a/drivers/pcmcia/sa1111_generic.c +++ b/drivers/pcmcia/sa1111_generic.c @@ -163,12 +163,18 @@ int sa1111_pcmcia_add(struct sa1111_dev *dev, struct pcmcia_low_level *ops, static int pcmcia_probe(struct sa1111_dev *dev) { void __iomem *base; + int ret; + + ret = sa1111_enable_device(dev); + if (ret) + return ret; dev_set_drvdata(&dev->dev, NULL); - if (!request_mem_region(dev->res.start, 512, - SA1111_DRIVER_NAME(dev))) + if (!request_mem_region(dev->res.start, 512, SA1111_DRIVER_NAME(dev))) { + sa1111_disable_device(dev); return -EBUSY; + } base = dev->mapbase; @@ -212,6 +218,7 @@ static int __devexit pcmcia_remove(struct sa1111_dev *dev) } release_mem_region(dev->res.start, 512); + sa1111_disable_device(dev); return 0; } diff --git a/drivers/usb/host/ohci-sa1111.c b/drivers/usb/host/ohci-sa1111.c index 7d2aa62ea61..f61f4f90529 100644 --- a/drivers/usb/host/ohci-sa1111.c +++ b/drivers/usb/host/ohci-sa1111.c @@ -27,9 +27,10 @@ extern int usb_disabled(void); /*-------------------------------------------------------------------------*/ -static void sa1111_start_hc(struct sa1111_dev *dev) +static int sa1111_start_hc(struct sa1111_dev *dev) { unsigned int usb_rst = 0; + int ret; printk(KERN_DEBUG "%s: starting SA-1111 OHCI USB Controller\n", __FILE__); @@ -57,9 +58,13 @@ static void sa1111_start_hc(struct sa1111_dev *dev) * Now, carefully enable the USB clock, and take * the USB host controller out of reset. */ - sa1111_enable_device(dev); - udelay(11); - sa1111_writel(usb_rst, dev->mapbase + SA1111_USB_RESET); + ret = sa1111_enable_device(dev); + if (ret == 0) { + udelay(11); + sa1111_writel(usb_rst, dev->mapbase + SA1111_USB_RESET); + } + + return ret; } static void sa1111_stop_hc(struct sa1111_dev *dev) @@ -140,7 +145,10 @@ int usb_hcd_sa1111_probe (const struct hc_driver *driver, } hcd->regs = dev->mapbase; - sa1111_start_hc(dev); + ret = sa1111_start_hc(dev); + if (ret) + goto err2; + ohci_hcd_init(hcd_to_ohci(hcd)); retval = usb_add_hcd(hcd, dev->irq[1], 0); @@ -148,6 +156,7 @@ int usb_hcd_sa1111_probe (const struct hc_driver *driver, return retval; sa1111_stop_hc(dev); + err2: release_mem_region(hcd->rsrc_start, hcd->rsrc_len); err1: usb_put_hcd(hcd); -- cgit v1.2.3-70-g09d2 From e5c0fc4185c551c270868dcb6573604db2bc3171 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 25 Jan 2012 10:42:52 +0000 Subject: ARM: sa1111: change devid to be a bitmask Change the sa1111 device id to be a bitmask. This allows us to specify the actual device, while allowing a single driver to bind to both PS2 devices. Acked-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/common/sa1111.c | 12 ++++++------ arch/arm/include/asm/hardware/sa1111.h | 20 +++++++++++--------- 2 files changed, 17 insertions(+), 15 deletions(-) (limited to 'arch/arm/include/asm/hardware') diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index 1366e82e670..4bdf1bb283d 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -158,7 +158,7 @@ static struct sa1111_dev_info sa1111_devices[] = { { .offset = SA1111_KBD, .skpcr_mask = SKPCR_PTCLKEN, - .devid = SA1111_DEVID_PS2, + .devid = SA1111_DEVID_PS2_KBD, .irq = { IRQ_TPRXINT, IRQ_TPTXINT @@ -167,7 +167,7 @@ static struct sa1111_dev_info sa1111_devices[] = { { .offset = SA1111_MSE, .skpcr_mask = SKPCR_PMCLKEN, - .devid = SA1111_DEVID_PS2, + .devid = SA1111_DEVID_PS2_MSE, .irq = { IRQ_MSRXINT, IRQ_MSTXINT @@ -835,12 +835,12 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq) has_devs = ~0; if (machine_is_assabet() || machine_is_jornada720() || machine_is_badge4()) - has_devs &= ~(1 << 4); + has_devs &= ~SA1111_DEVID_PS2_MSE; else - has_devs &= ~(1 << 1); + has_devs &= ~SA1111_DEVID_SAC; for (i = 0; i < ARRAY_SIZE(sa1111_devices); i++) - if (has_devs & (1 << i)) + if (sa1111_devices[i].devid & has_devs) sa1111_init_one_child(sachip, mem, &sa1111_devices[i]); return 0; @@ -1335,7 +1335,7 @@ static int sa1111_match(struct device *_dev, struct device_driver *_drv) struct sa1111_dev *dev = SA1111_DEV(_dev); struct sa1111_driver *drv = SA1111_DRV(_drv); - return dev->devid == drv->devid; + return dev->devid & drv->devid; } static int sa1111_bus_suspend(struct device *dev, pm_message_t state) diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h index d54d781021c..37ad29d482f 100644 --- a/arch/arm/include/asm/hardware/sa1111.h +++ b/arch/arm/include/asm/hardware/sa1111.h @@ -516,15 +516,17 @@ extern struct bus_type sa1111_bus_type; -#define SA1111_DEVID_SBI 0 -#define SA1111_DEVID_SK 1 -#define SA1111_DEVID_USB 2 -#define SA1111_DEVID_SAC 3 -#define SA1111_DEVID_SSP 4 -#define SA1111_DEVID_PS2 5 -#define SA1111_DEVID_GPIO 6 -#define SA1111_DEVID_INT 7 -#define SA1111_DEVID_PCMCIA 8 +#define SA1111_DEVID_SBI (1 << 0) +#define SA1111_DEVID_SK (1 << 1) +#define SA1111_DEVID_USB (1 << 2) +#define SA1111_DEVID_SAC (1 << 3) +#define SA1111_DEVID_SSP (1 << 4) +#define SA1111_DEVID_PS2 (3 << 5) +#define SA1111_DEVID_PS2_KBD (1 << 5) +#define SA1111_DEVID_PS2_MSE (1 << 6) +#define SA1111_DEVID_GPIO (1 << 7) +#define SA1111_DEVID_INT (1 << 8) +#define SA1111_DEVID_PCMCIA (1 << 9) struct sa1111_dev { struct device dev; -- cgit v1.2.3-70-g09d2 From 07be45f57ebe037977c8033a008e9012617b1915 Mon Sep 17 00:00:00 2001 From: Russell King Date: Thu, 26 Jan 2012 13:34:21 +0000 Subject: ARM: sa1111: provide a generic way to prevent devices from registering Some platforms don't want certain devices to be registered, because, eg, the interface is not wired. Provide a way for platforms to prevent various devices from being registered via a devid bitmask in the platform data. Acked-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/common/sa1111.c | 7 ++----- arch/arm/include/asm/hardware/sa1111.h | 1 + arch/arm/mach-pxa/lubbock.c | 1 + arch/arm/mach-sa1100/badge4.c | 1 + arch/arm/mach-sa1100/jornada720.c | 1 + arch/arm/mach-sa1100/neponset.c | 1 + 6 files changed, 7 insertions(+), 5 deletions(-) (limited to 'arch/arm/include/asm/hardware') diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index 4bdf1bb283d..17694cf64aa 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -833,11 +833,8 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq) g_sa1111 = sachip; has_devs = ~0; - if (machine_is_assabet() || machine_is_jornada720() || - machine_is_badge4()) - has_devs &= ~SA1111_DEVID_PS2_MSE; - else - has_devs &= ~SA1111_DEVID_SAC; + if (pd) + has_devs &= ~pd->disable_devs; for (i = 0; i < ARRAY_SIZE(sa1111_devices); i++) if (sa1111_devices[i].devid & has_devs) diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h index 37ad29d482f..74afe20ffff 100644 --- a/arch/arm/include/asm/hardware/sa1111.h +++ b/arch/arm/include/asm/hardware/sa1111.h @@ -584,6 +584,7 @@ void sa1111_set_sleep_io(struct sa1111_dev *sadev, unsigned int bits, unsigned i struct sa1111_platform_data { int irq_base; /* base for cascaded on-chip IRQs */ + unsigned disable_devs; void *data; int (*enable)(void *, unsigned); void (*disable)(void *, unsigned); diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c index 6ebd276aebe..6bb3f47b1f1 100644 --- a/arch/arm/mach-pxa/lubbock.c +++ b/arch/arm/mach-pxa/lubbock.c @@ -223,6 +223,7 @@ static struct resource sa1111_resources[] = { static struct sa1111_platform_data sa1111_info = { .irq_base = LUBBOCK_SA1111_IRQ_BASE, + .disable_devs = SA1111_DEVID_SAC, }; static struct platform_device sa1111_device = { diff --git a/arch/arm/mach-sa1100/badge4.c b/arch/arm/mach-sa1100/badge4.c index d84924993ba..8fb80f02c2a 100644 --- a/arch/arm/mach-sa1100/badge4.c +++ b/arch/arm/mach-sa1100/badge4.c @@ -66,6 +66,7 @@ static void badge4_sa1111_disable(void *data, unsigned devid) static struct sa1111_platform_data sa1111_info = { .irq_base = IRQ_BOARD_END, + .disable_devs = SA1111_DEVID_PS2_MSE, .enable = badge4_sa1111_enable, .disable = badge4_sa1111_disable, }; diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c index ee121d6f048..dcd6d026aa6 100644 --- a/arch/arm/mach-sa1100/jornada720.c +++ b/arch/arm/mach-sa1100/jornada720.c @@ -211,6 +211,7 @@ static struct resource sa1111_resources[] = { static struct sa1111_platform_data sa1111_info = { .irq_base = IRQ_BOARD_END, + .disable_devs = SA1111_DEVID_PS2_MSE, }; static u64 sa1111_dmamask = 0xffffffffUL; diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c index b4fa53a1427..b40a7192f09 100644 --- a/arch/arm/mach-sa1100/neponset.c +++ b/arch/arm/mach-sa1100/neponset.c @@ -242,6 +242,7 @@ static struct resource sa1111_resources[] = { static struct sa1111_platform_data sa1111_info = { .irq_base = IRQ_BOARD_END, + .disable_devs = SA1111_DEVID_PS2_MSE, }; static u64 sa1111_dmamask = 0xffffffffUL; -- cgit v1.2.3-70-g09d2 From 6995f5b007c6b774e7d0c7528ced171145c03a09 Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 16 Jan 2012 14:28:25 +0000 Subject: ARM: sa1111: delete unused physical GPIO register definitions Get rid of the unused GPIO register definitions - we access GPIO registers through the base + offset method, and having the phys address definitions is unnecessary duplication. Acked-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/include/asm/hardware/sa1111.h | 16 ---------------- 1 file changed, 16 deletions(-) (limited to 'arch/arm/include/asm/hardware') diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h index 74afe20ffff..5ba2e13ed2b 100644 --- a/arch/arm/include/asm/hardware/sa1111.h +++ b/arch/arm/include/asm/hardware/sa1111.h @@ -327,22 +327,6 @@ * PC_SSR GPIO Block C Sleep State */ -#define _PA_DDR _SA1111( 0x1000 ) -#define _PA_DRR _SA1111( 0x1004 ) -#define _PA_DWR _SA1111( 0x1004 ) -#define _PA_SDR _SA1111( 0x1008 ) -#define _PA_SSR _SA1111( 0x100c ) -#define _PB_DDR _SA1111( 0x1010 ) -#define _PB_DRR _SA1111( 0x1014 ) -#define _PB_DWR _SA1111( 0x1014 ) -#define _PB_SDR _SA1111( 0x1018 ) -#define _PB_SSR _SA1111( 0x101c ) -#define _PC_DDR _SA1111( 0x1020 ) -#define _PC_DRR _SA1111( 0x1024 ) -#define _PC_DWR _SA1111( 0x1024 ) -#define _PC_SDR _SA1111( 0x1028 ) -#define _PC_SSR _SA1111( 0x102c ) - #define SA1111_GPIO 0x1000 #define SA1111_GPIO_PADDR (0x000) -- cgit v1.2.3-70-g09d2 From 4f8d9cae15b5b5c89ec17c8168215aa06a5c9b2c Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 16 Jan 2012 11:29:43 +0000 Subject: ARM: sa1111: move PS/2 interface register definitions to sa1111p2.c Move the PS/2 interface register definitions into the driver, rather than keeping them in a common location. Acked-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/include/asm/hardware/sa1111.h | 39 +------------------------ drivers/input/serio/sa1111ps2.c | 52 +++++++++++++++++++++++----------- 2 files changed, 37 insertions(+), 54 deletions(-) (limited to 'arch/arm/include/asm/hardware') diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h index 5ba2e13ed2b..dc15bf8ff39 100644 --- a/arch/arm/include/asm/hardware/sa1111.h +++ b/arch/arm/include/asm/hardware/sa1111.h @@ -409,47 +409,10 @@ #define SA1111_WAKEPOL0 0x0034 #define SA1111_WAKEPOL1 0x0038 -/* - * PS/2 Trackpad and Mouse Interfaces - * - * Registers - * PS2CR Control Register - * PS2STAT Status Register - * PS2DATA Transmit/Receive Data register - * PS2CLKDIV Clock Division Register - * PS2PRECNT Clock Precount Register - * PS2TEST1 Test register 1 - * PS2TEST2 Test register 2 - * PS2TEST3 Test register 3 - * PS2TEST4 Test register 4 - */ - +/* PS/2 Trackpad and Mouse Interfaces */ #define SA1111_KBD 0x0a00 #define SA1111_MSE 0x0c00 -/* - * These are offsets from the above bases. - */ -#define SA1111_PS2CR 0x0000 -#define SA1111_PS2STAT 0x0004 -#define SA1111_PS2DATA 0x0008 -#define SA1111_PS2CLKDIV 0x000c -#define SA1111_PS2PRECNT 0x0010 - -#define PS2CR_ENA 0x08 -#define PS2CR_FKD 0x02 -#define PS2CR_FKC 0x01 - -#define PS2STAT_STP 0x0100 -#define PS2STAT_TXE 0x0080 -#define PS2STAT_TXB 0x0040 -#define PS2STAT_RXF 0x0020 -#define PS2STAT_RXB 0x0010 -#define PS2STAT_ENA 0x0008 -#define PS2STAT_RXP 0x0004 -#define PS2STAT_KBD 0x0002 -#define PS2STAT_KBC 0x0001 - /* * PCMCIA Interface * diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c index ad7d23b5c6f..5ebabe3fc84 100644 --- a/drivers/input/serio/sa1111ps2.c +++ b/drivers/input/serio/sa1111ps2.c @@ -24,6 +24,26 @@ #include +#define PS2CR 0x0000 +#define PS2STAT 0x0004 +#define PS2DATA 0x0008 +#define PS2CLKDIV 0x000c +#define PS2PRECNT 0x0010 + +#define PS2CR_ENA 0x08 +#define PS2CR_FKD 0x02 +#define PS2CR_FKC 0x01 + +#define PS2STAT_STP 0x0100 +#define PS2STAT_TXE 0x0080 +#define PS2STAT_TXB 0x0040 +#define PS2STAT_RXF 0x0020 +#define PS2STAT_RXB 0x0010 +#define PS2STAT_ENA 0x0008 +#define PS2STAT_RXP 0x0004 +#define PS2STAT_KBD 0x0002 +#define PS2STAT_KBC 0x0001 + struct ps2if { struct serio *io; struct sa1111_dev *dev; @@ -45,22 +65,22 @@ static irqreturn_t ps2_rxint(int irq, void *dev_id) struct ps2if *ps2if = dev_id; unsigned int scancode, flag, status; - status = sa1111_readl(ps2if->base + SA1111_PS2STAT); + status = sa1111_readl(ps2if->base + PS2STAT); while (status & PS2STAT_RXF) { if (status & PS2STAT_STP) - sa1111_writel(PS2STAT_STP, ps2if->base + SA1111_PS2STAT); + sa1111_writel(PS2STAT_STP, ps2if->base + PS2STAT); flag = (status & PS2STAT_STP ? SERIO_FRAME : 0) | (status & PS2STAT_RXP ? 0 : SERIO_PARITY); - scancode = sa1111_readl(ps2if->base + SA1111_PS2DATA) & 0xff; + scancode = sa1111_readl(ps2if->base + PS2DATA) & 0xff; if (hweight8(scancode) & 1) flag ^= SERIO_PARITY; serio_interrupt(ps2if->io, scancode, flag); - status = sa1111_readl(ps2if->base + SA1111_PS2STAT); + status = sa1111_readl(ps2if->base + PS2STAT); } return IRQ_HANDLED; @@ -75,12 +95,12 @@ static irqreturn_t ps2_txint(int irq, void *dev_id) unsigned int status; spin_lock(&ps2if->lock); - status = sa1111_readl(ps2if->base + SA1111_PS2STAT); + status = sa1111_readl(ps2if->base + PS2STAT); if (ps2if->head == ps2if->tail) { disable_irq_nosync(irq); /* done */ } else if (status & PS2STAT_TXE) { - sa1111_writel(ps2if->buf[ps2if->tail], ps2if->base + SA1111_PS2DATA); + sa1111_writel(ps2if->buf[ps2if->tail], ps2if->base + PS2DATA); ps2if->tail = (ps2if->tail + 1) & (sizeof(ps2if->buf) - 1); } spin_unlock(&ps2if->lock); @@ -103,8 +123,8 @@ static int ps2_write(struct serio *io, unsigned char val) /* * If the TX register is empty, we can go straight out. */ - if (sa1111_readl(ps2if->base + SA1111_PS2STAT) & PS2STAT_TXE) { - sa1111_writel(val, ps2if->base + SA1111_PS2DATA); + if (sa1111_readl(ps2if->base + PS2STAT) & PS2STAT_TXE) { + sa1111_writel(val, ps2if->base + PS2DATA); } else { if (ps2if->head == ps2if->tail) enable_irq(ps2if->dev->irq[1]); @@ -151,7 +171,7 @@ static int ps2_open(struct serio *io) enable_irq_wake(ps2if->dev->irq[0]); - sa1111_writel(PS2CR_ENA, ps2if->base + SA1111_PS2CR); + sa1111_writel(PS2CR_ENA, ps2if->base + PS2CR); return 0; } @@ -159,7 +179,7 @@ static void ps2_close(struct serio *io) { struct ps2if *ps2if = io->port_data; - sa1111_writel(0, ps2if->base + SA1111_PS2CR); + sa1111_writel(0, ps2if->base + PS2CR); disable_irq_wake(ps2if->dev->irq[0]); @@ -179,7 +199,7 @@ static void __devinit ps2_clear_input(struct ps2if *ps2if) int maxread = 100; while (maxread--) { - if ((sa1111_readl(ps2if->base + SA1111_PS2DATA) & 0xff) == 0xff) + if ((sa1111_readl(ps2if->base + PS2DATA) & 0xff) == 0xff) break; } } @@ -189,11 +209,11 @@ static unsigned int __devinit ps2_test_one(struct ps2if *ps2if, { unsigned int val; - sa1111_writel(PS2CR_ENA | mask, ps2if->base + SA1111_PS2CR); + sa1111_writel(PS2CR_ENA | mask, ps2if->base + PS2CR); udelay(2); - val = sa1111_readl(ps2if->base + SA1111_PS2STAT); + val = sa1111_readl(ps2if->base + PS2STAT); return val & (PS2STAT_KBC | PS2STAT_KBD); } @@ -224,7 +244,7 @@ static int __devinit ps2_test(struct ps2if *ps2if) ret = -ENODEV; } - sa1111_writel(0, ps2if->base + SA1111_PS2CR); + sa1111_writel(0, ps2if->base + PS2CR); return ret; } @@ -278,8 +298,8 @@ static int __devinit ps2_probe(struct sa1111_dev *dev) sa1111_enable_device(ps2if->dev); /* Incoming clock is 8MHz */ - sa1111_writel(0, ps2if->base + SA1111_PS2CLKDIV); - sa1111_writel(127, ps2if->base + SA1111_PS2PRECNT); + sa1111_writel(0, ps2if->base + PS2CLKDIV); + sa1111_writel(127, ps2if->base + PS2PRECNT); /* * Flush any pending input. -- cgit v1.2.3-70-g09d2 From ea8c00ac18198763bceb7ca53d26df4aa8d3c414 Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 16 Jan 2012 11:32:09 +0000 Subject: ARM: sa1111: move PCMCIA interface register definitions to sa1111_generic.c Move the PCMCIA interface register definitions into the driver, rather than keeping them in a common place. Acked-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/include/asm/hardware/sa1111.h | 45 ++-------------------------------- drivers/pcmcia/sa1111_generic.c | 44 +++++++++++++++++++++++++++++---- 2 files changed, 41 insertions(+), 48 deletions(-) (limited to 'arch/arm/include/asm/hardware') diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h index dc15bf8ff39..29e3e567388 100644 --- a/arch/arm/include/asm/hardware/sa1111.h +++ b/arch/arm/include/asm/hardware/sa1111.h @@ -413,50 +413,9 @@ #define SA1111_KBD 0x0a00 #define SA1111_MSE 0x0c00 -/* - * PCMCIA Interface - * - * Registers - * PCSR Status Register - * PCCR Control Register - * PCSSR Sleep State Register - */ +/* PCMCIA Interface */ +#define SA1111_PCMCIA 0x1600 -#define SA1111_PCMCIA 0x1600 - -/* - * These are offsets from the above base. - */ -#define SA1111_PCCR 0x0000 -#define SA1111_PCSSR 0x0004 -#define SA1111_PCSR 0x0008 - -#define PCSR_S0_READY (1<<0) -#define PCSR_S1_READY (1<<1) -#define PCSR_S0_DETECT (1<<2) -#define PCSR_S1_DETECT (1<<3) -#define PCSR_S0_VS1 (1<<4) -#define PCSR_S0_VS2 (1<<5) -#define PCSR_S1_VS1 (1<<6) -#define PCSR_S1_VS2 (1<<7) -#define PCSR_S0_WP (1<<8) -#define PCSR_S1_WP (1<<9) -#define PCSR_S0_BVD1 (1<<10) -#define PCSR_S0_BVD2 (1<<11) -#define PCSR_S1_BVD1 (1<<12) -#define PCSR_S1_BVD2 (1<<13) - -#define PCCR_S0_RST (1<<0) -#define PCCR_S1_RST (1<<1) -#define PCCR_S0_FLT (1<<2) -#define PCCR_S1_FLT (1<<3) -#define PCCR_S0_PWAITEN (1<<4) -#define PCCR_S1_PWAITEN (1<<5) -#define PCCR_S0_PSE (1<<6) -#define PCCR_S1_PSE (1<<7) - -#define PCSSR_S0_SLEEP (1<<0) -#define PCSSR_S1_SLEEP (1<<1) diff --git a/drivers/pcmcia/sa1111_generic.c b/drivers/pcmcia/sa1111_generic.c index 0735c3e6a8b..33568e18998 100644 --- a/drivers/pcmcia/sa1111_generic.c +++ b/drivers/pcmcia/sa1111_generic.c @@ -22,6 +22,40 @@ #include "sa1111_generic.h" +/* + * These are offsets from the above base. + */ +#define PCCR 0x0000 +#define PCSSR 0x0004 +#define PCSR 0x0008 + +#define PCSR_S0_READY (1<<0) +#define PCSR_S1_READY (1<<1) +#define PCSR_S0_DETECT (1<<2) +#define PCSR_S1_DETECT (1<<3) +#define PCSR_S0_VS1 (1<<4) +#define PCSR_S0_VS2 (1<<5) +#define PCSR_S1_VS1 (1<<6) +#define PCSR_S1_VS2 (1<<7) +#define PCSR_S0_WP (1<<8) +#define PCSR_S1_WP (1<<9) +#define PCSR_S0_BVD1 (1<<10) +#define PCSR_S0_BVD2 (1<<11) +#define PCSR_S1_BVD1 (1<<12) +#define PCSR_S1_BVD2 (1<<13) + +#define PCCR_S0_RST (1<<0) +#define PCCR_S1_RST (1<<1) +#define PCCR_S0_FLT (1<<2) +#define PCCR_S1_FLT (1<<3) +#define PCCR_S0_PWAITEN (1<<4) +#define PCCR_S1_PWAITEN (1<<5) +#define PCCR_S0_PSE (1<<6) +#define PCCR_S1_PSE (1<<7) + +#define PCSSR_S0_SLEEP (1<<0) +#define PCSSR_S1_SLEEP (1<<1) + #define IDX_IRQ_S0_READY_NINT (0) #define IDX_IRQ_S0_CD_VALID (1) #define IDX_IRQ_S0_BVD1_STSCHG (2) @@ -49,7 +83,7 @@ static void sa1111_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) void sa1111_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { struct sa1111_pcmcia_socket *s = to_skt(skt); - unsigned long status = sa1111_readl(s->dev->mapbase + SA1111_PCSR); + unsigned long status = sa1111_readl(s->dev->mapbase + PCSR); switch (skt->nr) { case 0: @@ -105,10 +139,10 @@ int sa1111_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_s pccr_set_mask |= PCCR_S0_FLT|PCCR_S1_FLT; local_irq_save(flags); - val = sa1111_readl(s->dev->mapbase + SA1111_PCCR); + val = sa1111_readl(s->dev->mapbase + PCCR); val &= ~pccr_skt_mask; val |= pccr_set_mask & pccr_skt_mask; - sa1111_writel(val, s->dev->mapbase + SA1111_PCCR); + sa1111_writel(val, s->dev->mapbase + PCCR); local_irq_restore(flags); return 0; @@ -187,8 +221,8 @@ static int pcmcia_probe(struct sa1111_dev *dev) /* * Initialise the suspend state. */ - sa1111_writel(PCSSR_S0_SLEEP | PCSSR_S1_SLEEP, base + SA1111_PCSSR); - sa1111_writel(PCCR_S0_FLT | PCCR_S1_FLT, base + SA1111_PCCR); + sa1111_writel(PCSSR_S0_SLEEP | PCSSR_S1_SLEEP, base + PCSSR); + sa1111_writel(PCCR_S0_FLT | PCCR_S1_FLT, base + PCCR); #ifdef CONFIG_SA1100_BADGE4 pcmcia_badge4_init(&dev->dev); -- cgit v1.2.3-70-g09d2 From 2213536d78a2ed96e870396b06ee53f4a54a1e42 Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 16 Jan 2012 11:37:03 +0000 Subject: ARM: sa1111: move USB interface register definitions to ohci-sa1111.c Move the USB interface register definitions into the driver, rather than keeping them in a common place. Acked-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/include/asm/hardware/sa1111.h | 26 +------------------------- drivers/usb/host/ohci-sa1111.c | 29 ++++++++++++++++++++++++----- 2 files changed, 25 insertions(+), 30 deletions(-) (limited to 'arch/arm/include/asm/hardware') diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h index 29e3e567388..7c2bbc7f0be 100644 --- a/arch/arm/include/asm/hardware/sa1111.h +++ b/arch/arm/include/asm/hardware/sa1111.h @@ -132,33 +132,9 @@ #define SKPCR_DCLKEN (1<<7) #define SKPCR_PWMCLKEN (1<<8) -/* - * USB Host controller - */ +/* USB Host controller */ #define SA1111_USB 0x0400 -/* - * Offsets from SA1111_USB_BASE - */ -#define SA1111_USB_STATUS 0x0118 -#define SA1111_USB_RESET 0x011c -#define SA1111_USB_IRQTEST 0x0120 - -#define USB_RESET_FORCEIFRESET (1 << 0) -#define USB_RESET_FORCEHCRESET (1 << 1) -#define USB_RESET_CLKGENRESET (1 << 2) -#define USB_RESET_SIMSCALEDOWN (1 << 3) -#define USB_RESET_USBINTTEST (1 << 4) -#define USB_RESET_SLEEPSTBYEN (1 << 5) -#define USB_RESET_PWRSENSELOW (1 << 6) -#define USB_RESET_PWRCTRLLOW (1 << 7) - -#define USB_STATUS_IRQHCIRMTWKUP (1 << 7) -#define USB_STATUS_IRQHCIBUFFACC (1 << 8) -#define USB_STATUS_NIRQHCIM (1 << 9) -#define USB_STATUS_NHCIMFCLR (1 << 10) -#define USB_STATUS_USBPWRSENSE (1 << 11) - /* * Serial Audio Controller * diff --git a/drivers/usb/host/ohci-sa1111.c b/drivers/usb/host/ohci-sa1111.c index 48300080433..585e53eabff 100644 --- a/drivers/usb/host/ohci-sa1111.c +++ b/drivers/usb/host/ohci-sa1111.c @@ -22,6 +22,25 @@ #error "This file is SA-1111 bus glue. CONFIG_SA1111 must be defined." #endif +#define USB_STATUS 0x0118 +#define USB_RESET 0x011c +#define USB_IRQTEST 0x0120 + +#define USB_RESET_FORCEIFRESET (1 << 0) +#define USB_RESET_FORCEHCRESET (1 << 1) +#define USB_RESET_CLKGENRESET (1 << 2) +#define USB_RESET_SIMSCALEDOWN (1 << 3) +#define USB_RESET_USBINTTEST (1 << 4) +#define USB_RESET_SLEEPSTBYEN (1 << 5) +#define USB_RESET_PWRSENSELOW (1 << 6) +#define USB_RESET_PWRCTRLLOW (1 << 7) + +#define USB_STATUS_IRQHCIRMTWKUP (1 << 7) +#define USB_STATUS_IRQHCIBUFFACC (1 << 8) +#define USB_STATUS_NIRQHCIM (1 << 9) +#define USB_STATUS_NHCIMFCLR (1 << 10) +#define USB_STATUS_USBPWRSENSE (1 << 11) + extern int usb_disabled(void); /*-------------------------------------------------------------------------*/ @@ -45,7 +64,7 @@ static int sa1111_start_hc(struct sa1111_dev *dev) * host controller in reset. */ sa1111_writel(usb_rst | USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET, - dev->mapbase + SA1111_USB_RESET); + dev->mapbase + USB_RESET); /* * Now, carefully enable the USB clock, and take @@ -54,7 +73,7 @@ static int sa1111_start_hc(struct sa1111_dev *dev) ret = sa1111_enable_device(dev); if (ret == 0) { udelay(11); - sa1111_writel(usb_rst, dev->mapbase + SA1111_USB_RESET); + sa1111_writel(usb_rst, dev->mapbase + USB_RESET); } return ret; @@ -69,9 +88,9 @@ static void sa1111_stop_hc(struct sa1111_dev *dev) /* * Put the USB host controller into reset. */ - usb_rst = sa1111_readl(dev->mapbase + SA1111_USB_RESET); + usb_rst = sa1111_readl(dev->mapbase + USB_RESET); sa1111_writel(usb_rst | USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET, - dev->mapbase + SA1111_USB_RESET); + dev->mapbase + USB_RESET); /* * Stop the USB clock. @@ -85,7 +104,7 @@ static void sa1111_stop_hc(struct sa1111_dev *dev) #if 0 static void dump_hci_status(struct usb_hcd *hcd, const char *label) { - unsigned long status = sa1111_readl(hcd->regs + SA1111_USB_STATUS); + unsigned long status = sa1111_readl(hcd->regs + USB_STATUS); dbg ("%s USB_STATUS = { %s%s%s%s%s}", label, ((status & USB_STATUS_IRQHCIRMTWKUP) ? "IRQHCIRMTWKUP " : ""), -- cgit v1.2.3-70-g09d2