diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/Kconfig | 13 | ||||
| -rw-r--r-- | drivers/mfd/Makefile | 1 | ||||
| -rw-r--r-- | drivers/mfd/asic3.c | 2 | ||||
| -rw-r--r-- | drivers/mfd/ucb1400_core.c | 106 |
4 files changed, 119 insertions, 3 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 10c44d3fe01a..0dae245c6259 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -21,7 +21,7 @@ config MFD_SM501 config MFD_SM501_GPIO bool "Export GPIO via GPIO layer" - depends on MFD_SM501 && HAVE_GPIO_LIB + depends on MFD_SM501 && GPIOLIB ---help--- This option uses the gpio library layer to export the 64 GPIO lines on the SM501. The platform data is used to supply the @@ -29,7 +29,7 @@ config MFD_SM501_GPIO config MFD_ASIC3 bool "Support for Compaq ASIC3" - depends on GENERIC_HARDIRQS && HAVE_GPIO_LIB && ARM + depends on GENERIC_HARDIRQS && GPIOLIB && ARM ---help--- This driver supports the ASIC3 multifunction chip found on many PDAs (mainly iPAQ and HTC based ones) @@ -50,6 +50,15 @@ config HTC_PASIC3 HTC Magician devices, respectively. Actual functionality is handled by the leds-pasic3 and ds1wm drivers. +config UCB1400_CORE + tristate "Philips UCB1400 Core driver" + help + This enables support for the Philips UCB1400 core functions. + The UCB1400 is an AC97 audio codec. + + To compile this driver as a module, choose M here: the + module will be called ucb1400_core. + config MFD_TMIO bool default n diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 03ad239ecef0..6abebe364419 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -22,3 +22,4 @@ obj-$(CONFIG_MCP_UCB1200_TS) += ucb1x00-ts.o ifeq ($(CONFIG_SA1100_ASSABET),y) obj-$(CONFIG_MCP_UCB1200) += ucb1x00-assabet.o endif +obj-$(CONFIG_UCB1400_CORE) += ucb1400_core.o diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c index bc2a807f210d..ba5aa2008273 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -312,7 +312,6 @@ static int __init asic3_irq_probe(struct platform_device *pdev) struct asic3 *asic = platform_get_drvdata(pdev); unsigned long clksel = 0; unsigned int irq, irq_base; - int map_size; int ret; ret = platform_get_irq(pdev, 0); @@ -534,6 +533,7 @@ static int __init asic3_probe(struct platform_device *pdev) struct asic3 *asic; struct resource *mem; unsigned long clksel; + int map_size; int ret = 0; asic = kzalloc(sizeof(struct asic3), GFP_KERNEL); diff --git a/drivers/mfd/ucb1400_core.c b/drivers/mfd/ucb1400_core.c new file mode 100644 index 000000000000..178159e264ce --- /dev/null +++ b/drivers/mfd/ucb1400_core.c @@ -0,0 +1,106 @@ +/* + * Core functions for: + * Philips UCB1400 multifunction chip + * + * Based on ucb1400_ts.c: + * Author: Nicolas Pitre + * Created: September 25, 2006 + * Copyright: MontaVista Software, Inc. + * + * Spliting done by: Marek Vasut <marek.vasut@gmail.com> + * If something doesnt work and it worked before spliting, e-mail me, + * dont bother Nicolas please ;-) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This code is heavily based on ucb1x00-*.c copyrighted by Russell King + * covering the UCB1100, UCB1200 and UCB1300.. Support for the UCB1400 has + * been made separate from ucb1x00-core/ucb1x00-ts on Russell's request. + */ + +#include <linux/module.h> +#include <linux/ucb1400.h> + +static int ucb1400_core_probe(struct device *dev) +{ + int err; + struct ucb1400 *ucb; + struct ucb1400_ts ucb_ts; + struct snd_ac97 *ac97; + + memset(&ucb_ts, 0, sizeof(ucb_ts)); + + ucb = kzalloc(sizeof(struct ucb1400), GFP_KERNEL); + if (!ucb) { + err = -ENOMEM; + goto err; + } + + dev_set_drvdata(dev, ucb); + + ac97 = to_ac97_t(dev); + + ucb_ts.id = ucb1400_reg_read(ac97, UCB_ID); + if (ucb_ts.id != UCB_ID_1400) { + err = -ENODEV; + goto err0; + } + + /* TOUCHSCREEN */ + ucb_ts.ac97 = ac97; + ucb->ucb1400_ts = platform_device_alloc("ucb1400_ts", -1); + if (!ucb->ucb1400_ts) { + err = -ENOMEM; + goto err0; + } + err = platform_device_add_data(ucb->ucb1400_ts, &ucb_ts, + sizeof(ucb_ts)); + if (err) + goto err1; + err = platform_device_add(ucb->ucb1400_ts); + if (err) + goto err1; + + return 0; + +err1: + platform_device_put(ucb->ucb1400_ts); +err0: + kfree(ucb); +err: + return err; +} + +static int ucb1400_core_remove(struct device *dev) +{ + struct ucb1400 *ucb = dev_get_drvdata(dev); + + platform_device_unregister(ucb->ucb1400_ts); + kfree(ucb); + return 0; +} + +static struct device_driver ucb1400_core_driver = { + .name = "ucb1400_core", + .bus = &ac97_bus_type, + .probe = ucb1400_core_probe, + .remove = ucb1400_core_remove, +}; + +static int __init ucb1400_core_init(void) +{ + return driver_register(&ucb1400_core_driver); +} + +static void __exit ucb1400_core_exit(void) +{ + driver_unregister(&ucb1400_core_driver); +} + +module_init(ucb1400_core_init); +module_exit(ucb1400_core_exit); + +MODULE_DESCRIPTION("Philips UCB1400 driver"); +MODULE_LICENSE("GPL"); |