diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-11 13:09:45 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-11 13:09:45 -0400 |
| commit | 7cc4e87f912bbefa440a51856b8d076e5d1f554a (patch) | |
| tree | 1b8df8683f3de37d2e8211ffa8d151f60d59af62 /drivers/mfd | |
| parent | 5ba2f67afb02c5302b2898949ed6fc3b3d37dcf1 (diff) | |
| parent | 69fc7eed5f56bce15b239e5110de2575a6970df4 (diff) | |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (236 commits)
[ARM] 5300/1: fixup spitz reset during boot
[ARM] 5295/1: make ZONE_DMA optional
[ARM] 5239/1: Palm Zire 72 power management support
[ARM] 5298/1: Drop desc_handle_irq()
[ARM] 5297/1: [KS8695] Fix two compile-time warnings
[ARM] 5296/1: [KS8695] Replace macro's with trailing underscores.
[ARM] pxa: allow multi-machine PCMCIA builds
[ARM] pxa: add preliminary CPUFREQ support for PXA3xx
[ARM] pxa: add missing ACCR bit definitions to pxa3xx-regs.h
[ARM] pxa: rename cpu-pxa.c to cpufreq-pxa2xx.c
[ARM] pxa/zylonite: add support for USB OHCI
[ARM] ohci-pxa27x: use ioremap() and offset for register access
[ARM] ohci-pxa27x: introduce pxa27x_clear_otgph()
[ARM] ohci-pxa27x: use platform_get_{irq,resource} for the resource
[ARM] ohci-pxa27x: move OHCI controller specific registers into the driver
[ARM] ohci-pxa27x: introduce flags to avoid direct access to OHCI registers
[ARM] pxa: move I2S register and bit definitions into pxa2xx-i2s.c
[ARM] pxa: simplify DMA register definitions
[ARM] pxa: make additional DCSR bits valid for PXA3xx
[ARM] pxa: move i2c register and bit definitions into i2c-pxa.c
...
Fixed up conflicts in
arch/arm/mach-versatile/core.c
sound/soc/pxa/pxa2xx-ac97.c
sound/soc/pxa/pxa2xx-i2s.c
manually.
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/mfd/Makefile | 1 | ||||
| -rw-r--r-- | drivers/mfd/ucb1400_core.c | 106 |
3 files changed, 116 insertions, 0 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 68dc8d9eb24e..0dae245c6259 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig | |||
| @@ -50,6 +50,15 @@ config HTC_PASIC3 | |||
| 50 | HTC Magician devices, respectively. Actual functionality is | 50 | HTC Magician devices, respectively. Actual functionality is |
| 51 | handled by the leds-pasic3 and ds1wm drivers. | 51 | handled by the leds-pasic3 and ds1wm drivers. |
| 52 | 52 | ||
| 53 | config UCB1400_CORE | ||
| 54 | tristate "Philips UCB1400 Core driver" | ||
| 55 | help | ||
| 56 | This enables support for the Philips UCB1400 core functions. | ||
| 57 | The UCB1400 is an AC97 audio codec. | ||
| 58 | |||
| 59 | To compile this driver as a module, choose M here: the | ||
| 60 | module will be called ucb1400_core. | ||
| 61 | |||
| 53 | config MFD_TMIO | 62 | config MFD_TMIO |
| 54 | bool | 63 | bool |
| 55 | default n | 64 | 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-$(CONFIG_MCP_UCB1200_TS) += ucb1x00-ts.o | |||
| 22 | ifeq ($(CONFIG_SA1100_ASSABET),y) | 22 | ifeq ($(CONFIG_SA1100_ASSABET),y) |
| 23 | obj-$(CONFIG_MCP_UCB1200) += ucb1x00-assabet.o | 23 | obj-$(CONFIG_MCP_UCB1200) += ucb1x00-assabet.o |
| 24 | endif | 24 | endif |
| 25 | obj-$(CONFIG_UCB1400_CORE) += ucb1400_core.o | ||
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 @@ | |||
| 1 | /* | ||
| 2 | * Core functions for: | ||
| 3 | * Philips UCB1400 multifunction chip | ||
| 4 | * | ||
| 5 | * Based on ucb1400_ts.c: | ||
| 6 | * Author: Nicolas Pitre | ||
| 7 | * Created: September 25, 2006 | ||
| 8 | * Copyright: MontaVista Software, Inc. | ||
| 9 | * | ||
| 10 | * Spliting done by: Marek Vasut <marek.vasut@gmail.com> | ||
| 11 | * If something doesnt work and it worked before spliting, e-mail me, | ||
| 12 | * dont bother Nicolas please ;-) | ||
| 13 | * | ||
| 14 | * This program is free software; you can redistribute it and/or modify | ||
| 15 | * it under the terms of the GNU General Public License version 2 as | ||
| 16 | * published by the Free Software Foundation. | ||
| 17 | * | ||
| 18 | * This code is heavily based on ucb1x00-*.c copyrighted by Russell King | ||
| 19 | * covering the UCB1100, UCB1200 and UCB1300.. Support for the UCB1400 has | ||
| 20 | * been made separate from ucb1x00-core/ucb1x00-ts on Russell's request. | ||
| 21 | */ | ||
| 22 | |||
| 23 | #include <linux/module.h> | ||
| 24 | #include <linux/ucb1400.h> | ||
| 25 | |||
| 26 | static int ucb1400_core_probe(struct device *dev) | ||
| 27 | { | ||
| 28 | int err; | ||
| 29 | struct ucb1400 *ucb; | ||
| 30 | struct ucb1400_ts ucb_ts; | ||
| 31 | struct snd_ac97 *ac97; | ||
| 32 | |||
| 33 | memset(&ucb_ts, 0, sizeof(ucb_ts)); | ||
| 34 | |||
| 35 | ucb = kzalloc(sizeof(struct ucb1400), GFP_KERNEL); | ||
| 36 | if (!ucb) { | ||
| 37 | err = -ENOMEM; | ||
| 38 | goto err; | ||
| 39 | } | ||
| 40 | |||
| 41 | dev_set_drvdata(dev, ucb); | ||
| 42 | |||
| 43 | ac97 = to_ac97_t(dev); | ||
| 44 | |||
| 45 | ucb_ts.id = ucb1400_reg_read(ac97, UCB_ID); | ||
| 46 | if (ucb_ts.id != UCB_ID_1400) { | ||
| 47 | err = -ENODEV; | ||
| 48 | goto err0; | ||
| 49 | } | ||
| 50 | |||
| 51 | /* TOUCHSCREEN */ | ||
| 52 | ucb_ts.ac97 = ac97; | ||
| 53 | ucb->ucb1400_ts = platform_device_alloc("ucb1400_ts", -1); | ||
| 54 | if (!ucb->ucb1400_ts) { | ||
| 55 | err = -ENOMEM; | ||
| 56 | goto err0; | ||
| 57 | } | ||
| 58 | err = platform_device_add_data(ucb->ucb1400_ts, &ucb_ts, | ||
| 59 | sizeof(ucb_ts)); | ||
| 60 | if (err) | ||
| 61 | goto err1; | ||
| 62 | err = platform_device_add(ucb->ucb1400_ts); | ||
| 63 | if (err) | ||
| 64 | goto err1; | ||
| 65 | |||
| 66 | return 0; | ||
| 67 | |||
| 68 | err1: | ||
| 69 | platform_device_put(ucb->ucb1400_ts); | ||
| 70 | err0: | ||
| 71 | kfree(ucb); | ||
| 72 | err: | ||
| 73 | return err; | ||
| 74 | } | ||
| 75 | |||
| 76 | static int ucb1400_core_remove(struct device *dev) | ||
| 77 | { | ||
| 78 | struct ucb1400 *ucb = dev_get_drvdata(dev); | ||
| 79 | |||
| 80 | platform_device_unregister(ucb->ucb1400_ts); | ||
| 81 | kfree(ucb); | ||
| 82 | return 0; | ||
| 83 | } | ||
| 84 | |||
| 85 | static struct device_driver ucb1400_core_driver = { | ||
| 86 | .name = "ucb1400_core", | ||
| 87 | .bus = &ac97_bus_type, | ||
| 88 | .probe = ucb1400_core_probe, | ||
| 89 | .remove = ucb1400_core_remove, | ||
| 90 | }; | ||
| 91 | |||
| 92 | static int __init ucb1400_core_init(void) | ||
| 93 | { | ||
| 94 | return driver_register(&ucb1400_core_driver); | ||
| 95 | } | ||
| 96 | |||
| 97 | static void __exit ucb1400_core_exit(void) | ||
| 98 | { | ||
| 99 | driver_unregister(&ucb1400_core_driver); | ||
| 100 | } | ||
| 101 | |||
| 102 | module_init(ucb1400_core_init); | ||
| 103 | module_exit(ucb1400_core_exit); | ||
| 104 | |||
| 105 | MODULE_DESCRIPTION("Philips UCB1400 driver"); | ||
| 106 | MODULE_LICENSE("GPL"); | ||
