You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
185 lines
6.6 KiB
185 lines
6.6 KiB
/*
|
|
* Copyright (c) 201 Broadcom Corporation
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
|
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
|
|
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
|
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _LINUX_BRCMFMAC_PLATFORM_H
|
|
#define _LINUX_BRCMFMAC_PLATFORM_H
|
|
|
|
|
|
#define BRCMFMAC_PDATA_NAME "brcmfmac"
|
|
|
|
#define BRCMFMAC_COUNTRY_BUF_SZ 4
|
|
|
|
|
|
/*
|
|
* Platform specific driver functions and data. Through the platform specific
|
|
* device data functions and data can be provided to help the brcmfmac driver to
|
|
* operate with the device in combination with the used platform.
|
|
*/
|
|
|
|
|
|
/**
|
|
* Note: the brcmfmac can be loaded as module or be statically built-in into
|
|
* the kernel. If built-in then do note that it uses module_init (and
|
|
* module_exit) routines which equal device_initcall. So if you intend to
|
|
* create a module with the platform specific data for the brcmfmac and have
|
|
* it built-in to the kernel then use a higher initcall then device_initcall
|
|
* (see init.h). If this is not done then brcmfmac will load without problems
|
|
* but will not pickup the platform data.
|
|
*
|
|
* When the driver does not "detect" platform driver data then it will continue
|
|
* without reporting anything and just assume there is no data needed. Which is
|
|
* probably true for most platforms.
|
|
*/
|
|
|
|
/**
|
|
* enum brcmf_bus_type - Bus type identifier. Currently SDIO, USB and PCIE are
|
|
* supported.
|
|
*/
|
|
enum brcmf_bus_type {
|
|
BRCMF_BUSTYPE_SDIO,
|
|
BRCMF_BUSTYPE_USB,
|
|
BRCMF_BUSTYPE_PCIE
|
|
};
|
|
|
|
|
|
/**
|
|
* struct brcmfmac_sdio_pd - SDIO Device specific platform data.
|
|
*
|
|
* @txglomsz: SDIO txglom size. Use 0 if default of driver is to be
|
|
* used.
|
|
* @drive_strength: is the preferred drive_strength to be used for the SDIO
|
|
* pins. If 0 then a default value will be used. This is
|
|
* the target drive strength, the exact drive strength
|
|
* which will be used depends on the capabilities of the
|
|
* device.
|
|
* @oob_irq_supported: does the board have support for OOB interrupts. SDIO
|
|
* in-band interrupts are relatively slow and for having
|
|
* less overhead on interrupt processing an out of band
|
|
* interrupt can be used. If the HW supports this then
|
|
* enable this by setting this field to true and configure
|
|
* the oob related fields.
|
|
* @oob_irq_nr,
|
|
* @oob_irq_flags: the OOB interrupt information. The values are used for
|
|
* registering the irq using request_irq function.
|
|
* @broken_sg_support: flag for broken sg list support of SDIO host controller.
|
|
* Set this to true if the SDIO host controller has higher
|
|
* align requirement than 32 bytes for each scatterlist
|
|
* item.
|
|
* @sd_head_align: alignment requirement for start of data buffer.
|
|
* @sd_sgentry_align: length alignment requirement for each sg entry.
|
|
* @reset: This function can get called if the device communication
|
|
* broke down. This functionality is particularly useful in
|
|
* case of SDIO type devices. It is possible to reset a
|
|
* dongle via sdio data interface, but it requires that
|
|
* this is fully functional. This function is chip/module
|
|
* specific and this function should return only after the
|
|
* complete reset has completed.
|
|
*/
|
|
struct brcmfmac_sdio_pd {
|
|
int txglomsz;
|
|
unsigned int drive_strength;
|
|
bool oob_irq_supported;
|
|
unsigned int oob_irq_nr;
|
|
unsigned long oob_irq_flags;
|
|
bool broken_sg_support;
|
|
unsigned short sd_head_align;
|
|
unsigned short sd_sgentry_align;
|
|
void (*reset)(void);
|
|
};
|
|
|
|
/**
|
|
* struct brcmfmac_pd_cc_entry - Struct for translating user space country code
|
|
* (iso3166) to firmware country code and
|
|
* revision.
|
|
*
|
|
* @iso3166: iso3166 alpha 2 country code string.
|
|
* @cc: firmware country code string.
|
|
* @rev: firmware country code revision.
|
|
*/
|
|
struct brcmfmac_pd_cc_entry {
|
|
char iso3166[BRCMFMAC_COUNTRY_BUF_SZ];
|
|
char cc[BRCMFMAC_COUNTRY_BUF_SZ];
|
|
s32 rev;
|
|
};
|
|
|
|
/**
|
|
* struct brcmfmac_pd_cc - Struct for translating country codes as set by user
|
|
* space to a country code and rev which can be used by
|
|
* firmware.
|
|
*
|
|
* @table_size: number of entries in table (> 0)
|
|
* @table: array of 1 or more elements with translation information.
|
|
*/
|
|
struct brcmfmac_pd_cc {
|
|
int table_size;
|
|
struct brcmfmac_pd_cc_entry table[0];
|
|
};
|
|
|
|
/**
|
|
* struct brcmfmac_pd_device - Device specific platform data. (id/rev/bus_type)
|
|
* is the unique identifier of the device.
|
|
*
|
|
* @id: ID of the device for which this data is. In case of SDIO
|
|
* or PCIE this is the chipid as identified by chip.c In
|
|
* case of USB this is the chipid as identified by the
|
|
* device query.
|
|
* @rev: chip revision, see id.
|
|
* @bus_type: The type of bus. Some chipid/rev exist for different bus
|
|
* types. Each bus type has its own set of settings.
|
|
* @feature_disable: Bitmask of features to disable (override), See feature.c
|
|
* in brcmfmac for details.
|
|
* @country_codes: If available, pointer to struct for translating country
|
|
* codes.
|
|
* @bus: Bus specific (union) device settings. Currently only
|
|
* SDIO.
|
|
*/
|
|
struct brcmfmac_pd_device {
|
|
unsigned int id;
|
|
unsigned int rev;
|
|
enum brcmf_bus_type bus_type;
|
|
unsigned int feature_disable;
|
|
struct brcmfmac_pd_cc *country_codes;
|
|
union {
|
|
struct brcmfmac_sdio_pd sdio;
|
|
} bus;
|
|
};
|
|
|
|
/**
|
|
* struct brcmfmac_platform_data - BRCMFMAC specific platform data.
|
|
*
|
|
* @power_on: This function is called by the brcmfmac driver when the module
|
|
* gets loaded. This can be particularly useful for low power
|
|
* devices. The platform spcific routine may for example decide to
|
|
* power up the complete device. If there is no use-case for this
|
|
* function then provide NULL.
|
|
* @power_off: This function is called by the brcmfmac when the module gets
|
|
* unloaded. At this point the devices can be powered down or
|
|
* otherwise be reset. So if an actual power_off is not supported
|
|
* but reset is supported by the devices then reset the devices
|
|
* when this function gets called. This can be particularly useful
|
|
* for low power devices. If there is no use-case for this
|
|
* function then provide NULL.
|
|
*/
|
|
struct brcmfmac_platform_data {
|
|
void (*power_on)(void);
|
|
void (*power_off)(void);
|
|
char *fw_alternative_path;
|
|
int device_count;
|
|
struct brcmfmac_pd_device devices[0];
|
|
};
|
|
|
|
|
|
#endif /* _LINUX_BRCMFMAC_PLATFORM_H */
|
|
|