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* mmc: core: Don't export the to_sdio_driver macroUlf Hansson2014-11-101-2/+0
| | | | | | The macro is only used by the mmc core, so let's move it in there. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
* mmc: Standardize header file inclusion checks.Robert P. J. Day2011-07-201-4/+3
| | | | | | | | | Standardize the checks for multiple MMC header file inclusion, including adding comments to terminating #endif's, and fixing one incorrect comment. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Chris Ball <cjb@laptop.org>
* sdio: add new function for RAW (Read after Write) operationGrazvydas Ignotas2010-05-271-0/+3
| | | | | | | | | | | | | | | | | | | | | | | SDIO specification allows RAW (Read after Write) operation using IO_RW_DIRECT command (CMD52) by setting the RAW bit. This operation is similar to ordinary read/write commands, except that both write and read are performed using single command/response pair. The Linux SDIO layer already supports this internaly, only external function is missing for drivers to make use, which is added by this patch. This type of command is required to implement proper power save mode support in wl1251 wifi driver. Android has similar patch for G1 in it's tree for the same reason: http://android.git.kernel.org/?p=kernel/common.git;a=commitdiff;h=74a47786f6ecbe6c1cf9fb15efe6a968451deb52 Signed-off-by: Grazvydas Ignotas <notasas@gmail.com> Acked-by: Kalle Valo <kalle.valo@iki.fi> Cc: Dmitry Shmidt <dimitrysh@google.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* sdio: introduce API for special power management featuresNicolas Pitre2010-03-061-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch series provides the core changes needed to allow SDIO cards to remain powered and active while the host system is suspended, and let them wake up the host system when needed. This is used to implement wake-on-lan with SDIO wireless cards at the moment. Patches to add that support to the libertas driver will be posted separately. This patch: Some SDIO cards have the ability to keep on running autonomously when the host system is suspended, and wake it up when needed. This however requires that the host controller preserve power to the card, and configure itself appropriately for wake-up. There is however 4 layers of abstractions involved: the host controller driver, the MMC core code, the SDIO card management code, and the actual SDIO function driver. To make things simple and manageable, host drivers must advertise their PM capabilities with a feature bitmask, then function drivers can query and set those features from their suspend method. Then each layer in the suspend call chain is expected to act upon those bits accordingly. [akpm@linux-foundation.org: fix typo in comment] Signed-off-by: Nicolas Pitre <nico@marvell.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* mmc: make SDIO device/driver struct accessors publicNicolas Pitre2009-09-231-0/+3
| | | | | | | | | | Especially with the PM framework, those are quite handy to have in driver code too. Signed-off-by: Nicolas Pitre <nico@marvell.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* mmc: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers2008-11-081-1/+1
| | | | | | Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-Off-By: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* Merge branch 'for-linus' of ↵Linus Torvalds2008-07-161-10/+11
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (68 commits) sdio_uart: Fix SDIO break control to now return success or an error mmc: host driver for Ricoh Bay1Controllers sdio: sdio_io.c Fix sparse warnings sdio: fix the use of hard coded timeout value. mmc: OLPC: update vdd/powerup quirk comment mmc: fix spares errors of sdhci.c mmc: remove multiwrite capability wbsd: fix bad dma_addr_t conversion atmel-mci: Driver for Atmel on-chip MMC controllers mmc: fix sdio_io sparse errors mmc: wbsd.c fix shadowing of 'dma' variable MMC: S3C24XX: Refuse incorrectly aligned transfers MMC: S3C24XX: Add maintainer entry MMC: S3C24XX: Update error debugging. MMC: S3C24XX: Add media presence test to request handling. MMC: S3C24XX: Fix use of msecs where jiffies are needed MMC: S3C24XX: Add MODULE_ALIAS() entries for the platform devices MMC: S3C24XX: Fix s3c2410_dma_request() return code check. MMC: S3C24XX: Allow card-detect on non-IRQ capable pin MMC: S3C24XX: Ensure host->mrq->data is valid ... Manually fixed up bogus executable bits on drivers/mmc/core/sdio_io.c and include/linux/mmc/sdio_func.h when merging.
| * sdio: fix the use of hard coded timeout value.Benzi Zbit2008-07-151-0/+2
| | | | | | | | | | | | | | | | This adds reading and using of enable_timeout from the CIS Signed-off-by: Benzi Zbit <benzi.zbit@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
| * mmc: fix sdio_io sparse errorsTomas Winkler2008-07-151-9/+6
| | | | | | | | | | | | | | | | | | | | | | | | This patch fixes sdio_io sparse errors. This fix changes signature of API functions, changing unsigned char -> u8 unsigned short -> u16 unsigned long -> u32 - this was probably a bug in 64 bit platforms Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
| * mmc,sdio: helper function for transfer paddingPierre Ossman2008-07-151-1/+3
|/ | | | | | | | | | | | | There are a lot of crappy controllers out there that cannot handle all the request sizes that the MMC/SD/SDIO specifications require. In case the card driver can pad the data to overcome the problems, this commit adds a helper that calculates how much that padding should be. A corresponding helper is also added for SDIO, but it can also deal with all the complexities of splitting up a large transfer efficiently. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* sdio: store vendor stringsPierre Ossman2007-09-231-0/+3
| | | | | | | Store vendor strings found in CISTPL_VERS_1 so that function drivers can access them. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* sdio: add sdio_f0_readb() and sdio_f0_writeb()David Vrabel2007-09-231-0/+5
| | | | | | | | | Add sdio_f0_readb() and sdio_f0_writeb() functions to reading and writing function 0 registers. Writes outside the vendor specific CCCR registers (0xF0 - 0xFF) are not permitted. Signed-off-by: David Vrabel <david.vrabel@csr.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* sdio: set the functions' block sizeDavid Vrabel2007-09-231-1/+4
| | | | | | | | | | | | | | | Before a driver is probed, set the function's block size to the default so the driver is sure the block size is something sensible and it needn't explicitly set it. The default block size is the largest that's supported by both the card and the host, with a maximum of 512 to ensure aribitrarily sized transfer use the optimal (least) number of commands. See http://lkml.org/lkml/2007/8/7/150 for reasons for the block size choice. Signed-off-by: David Vrabel <david.vrabel@csr.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* sdio: support IO_RW_EXTENDEDPierre Ossman2007-09-231-0/+20
| | | | | | | Support the multi-byte transfer operation, including handlers for common operations like writel()/readl(). Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* sdio: core support for SDIO function interruptNicolas Pitre2007-09-231-0/+7
| | | | | Signed-off-by: Nicolas Pitre <npitre@mvista.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* sdio: add device id table and matchingPierre Ossman2007-09-231-1/+29
| | | | Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* sdio: split up common and function CIS parsingPierre Ossman2007-09-231-0/+2
| | | | | | | | Add a more clean separation between global, common CIS information and the function specific one as we need the common information in places where no specific function is specified. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* sdio: link unknown CIS tuples to the sdio_func structureNicolas Pitre2007-09-231-0/+12
| | | | | | | | | This way those tuples that the core cares about are consumed by the core code, and tuples that only function drivers might make sense of are available to drivers. Signed-off-by: Nicolas Pitre <npitre@mvista.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* sdio: basic parsing of FBRPierre Ossman2007-09-231-0/+5
| | | | Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* mmc: enable/disable functions for SDIOPierre Ossman2007-09-231-0/+3
| | | | | | | | Like many other buses, the devices (functions) on the SDIO bus must be enabled before they can be used. Add functions that allow drivers to do so. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* mmc: add basic SDIO I/O operationsPierre Ossman2007-09-231-0/+12
| | | | | | | Add command wrappers that simplify register access from SDIO function drivers. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* mmc: add SDIO driver handlingPierre Ossman2007-09-231-0/+18
| | | | | | Add basic driver handling to the SDIO device model. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* mmc: basic SDIO device modelPierre Ossman2007-09-231-0/+35
Add the sdio bus type and basic device handling. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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