2019-05-16 12:04:09 +00:00
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// SPDX-License-Identifier: ISC
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/*
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* Copyright (c) 2014 Broadcom Corporation
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2014-12-21 11:43:52 +00:00
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*/
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#ifndef BRCMFMAC_COMMON_H
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#define BRCMFMAC_COMMON_H
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2016-02-17 10:27:04 +00:00
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#include <linux/platform_device.h>
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2016-02-17 10:27:07 +00:00
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#include <linux/platform_data/brcmfmac.h>
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2016-02-17 10:26:53 +00:00
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#include "fwil_types.h"
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2016-01-02 08:41:41 +00:00
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#define BRCMF_FW_ALTPATH_LEN 256
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/* Definitions for the module global and device specific settings are defined
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* here. Two structs are used for them. brcmf_mp_global_t and brcmf_mp_device.
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* The mp_global is instantiated once in a global struct and gets initialized
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* by the common_attach function which should be called before any other
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* (module) initiliazation takes place. The device specific settings is part
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* of the drvr struct and should be initialized on every brcmf_attach.
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*/
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/**
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* struct brcmf_mp_global_t - Global module paramaters.
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*
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* @firmware_path: Alternative firmware path.
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*/
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struct brcmf_mp_global_t {
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char firmware_path[BRCMF_FW_ALTPATH_LEN];
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};
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extern struct brcmf_mp_global_t brcmf_mp_global;
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/**
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* struct brcmf_mp_device - Device module paramaters.
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*
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* @p2p_enable: Legacy P2P0 enable (old wpa_supplicant).
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* @feature_disable: Feature_disable bitmask.
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* @fcmode: FWS flow control.
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* @roamoff: Firmware roaming off?
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2016-02-17 10:27:08 +00:00
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* @ignore_probe_fail: Ignore probe failure.
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wifi: brcmfmac: support brcm,ccode-map-trivial DT property
Commit a21bf90e927f ("brcmfmac: use ISO3166 country code and 0 rev as
fallback on some devices") introduced a fallback mechanism whereby a
trivial mapping from ISO3166 country codes to firmware country code and
revision is used on some devices. This fallback operates on the device
level, so it is enabled only for certain supported chipsets.
In general though, the firmware country codes are determined by the CLM
blob, which is board-specific and may vary despite the underlying
chipset being the same.
The aforementioned commit is actually a refinement of a previous commit
that was reverted in commit 151a7c12c4fc ("Revert "brcmfmac: use ISO3166
country code and 0 rev as fallback"") due to regressions with a BCM4359
device. The refinement restricted the fallback mechanism to specific
chipsets such as the BCM4345.
We use a chipset - CYW88359 - that the driver identifies as a BCM4359
too. But in our case, the CLM blob uses ISO3166 country codes
internally, and all with revision 0. So the trivial mapping is exactly
what is needed in order for the driver to sync the kernel regulatory
domain to the firmware. This is just a matter of how the CLM blob was
prepared by the hardware vendor. The same could hold for other boards
too.
Although the brcm,ccode-map device tree property is useful for cases
where the mapping is more complex, the trivial case invites a much
simpler specification. This patch adds support for parsing the
brcm,ccode-map-trivial device tree property. Subordinate to the more
specific brcm,ccode-map property, this new proprety simply informs the
driver that the fallback method should be used in every case.
In the absence of the new property in the device tree, expect no
functional change.
Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220711123005.3055300-3-alvin@pqrs.dk
2022-07-11 12:30:04 +00:00
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* @trivial_ccode_map: Assume firmware uses ISO3166 country codes with rev 0
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2016-02-17 10:26:53 +00:00
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* @country_codes: If available, pointer to struct for translating country codes
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2016-02-17 10:27:08 +00:00
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* @bus: Bus specific platform data. Only SDIO at the mmoment.
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2016-01-02 08:41:41 +00:00
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*/
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struct brcmf_mp_device {
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2016-02-17 10:27:08 +00:00
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bool p2p_enable;
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unsigned int feature_disable;
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int fcmode;
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bool roamoff;
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2018-03-15 07:29:09 +00:00
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bool iapp;
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2016-02-17 10:27:08 +00:00
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bool ignore_probe_fail;
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wifi: brcmfmac: support brcm,ccode-map-trivial DT property
Commit a21bf90e927f ("brcmfmac: use ISO3166 country code and 0 rev as
fallback on some devices") introduced a fallback mechanism whereby a
trivial mapping from ISO3166 country codes to firmware country code and
revision is used on some devices. This fallback operates on the device
level, so it is enabled only for certain supported chipsets.
In general though, the firmware country codes are determined by the CLM
blob, which is board-specific and may vary despite the underlying
chipset being the same.
The aforementioned commit is actually a refinement of a previous commit
that was reverted in commit 151a7c12c4fc ("Revert "brcmfmac: use ISO3166
country code and 0 rev as fallback"") due to regressions with a BCM4359
device. The refinement restricted the fallback mechanism to specific
chipsets such as the BCM4345.
We use a chipset - CYW88359 - that the driver identifies as a BCM4359
too. But in our case, the CLM blob uses ISO3166 country codes
internally, and all with revision 0. So the trivial mapping is exactly
what is needed in order for the driver to sync the kernel regulatory
domain to the firmware. This is just a matter of how the CLM blob was
prepared by the hardware vendor. The same could hold for other boards
too.
Although the brcm,ccode-map device tree property is useful for cases
where the mapping is more complex, the trivial case invites a much
simpler specification. This patch adds support for parsing the
brcm,ccode-map-trivial device tree property. Subordinate to the more
specific brcm,ccode-map property, this new proprety simply informs the
driver that the fallback method should be used in every case.
In the absence of the new property in the device tree, expect no
functional change.
Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220711123005.3055300-3-alvin@pqrs.dk
2022-07-11 12:30:04 +00:00
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bool trivial_ccode_map;
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2016-02-17 10:27:07 +00:00
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struct brcmfmac_pd_cc *country_codes;
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2018-10-10 11:01:01 +00:00
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const char *board_type;
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2022-05-06 04:42:46 +00:00
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unsigned char mac[ETH_ALEN];
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2022-09-16 16:02:51 +00:00
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const char *antenna_sku;
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2016-02-17 10:27:08 +00:00
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union {
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struct brcmfmac_sdio_pd sdio;
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} bus;
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2016-01-02 08:41:41 +00:00
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};
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2017-01-18 10:48:52 +00:00
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void brcmf_c_set_joinpref_default(struct brcmf_if *ifp);
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2016-02-17 10:27:08 +00:00
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struct brcmf_mp_device *brcmf_get_module_param(struct device *dev,
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enum brcmf_bus_type bus_type,
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u32 chip, u32 chiprev);
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void brcmf_release_module_param(struct brcmf_mp_device *module_param);
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2016-01-02 08:41:42 +00:00
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2015-10-08 18:33:19 +00:00
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/* Sets dongle media info (drv_version, mac address). */
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int brcmf_c_preinit_dcmds(struct brcmf_if *ifp);
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2022-07-08 13:37:11 +00:00
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int brcmf_c_set_cur_etheraddr(struct brcmf_if *ifp, const u8 *addr);
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2015-10-08 18:33:19 +00:00
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2018-10-10 11:01:02 +00:00
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#ifdef CONFIG_DMI
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void brcmf_dmi_probe(struct brcmf_mp_device *settings, u32 chip, u32 chiprev);
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#else
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static inline void
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brcmf_dmi_probe(struct brcmf_mp_device *settings, u32 chip, u32 chiprev) {}
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#endif
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2020-05-05 06:51:26 +00:00
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u8 brcmf_map_prio_to_prec(void *cfg, u8 prio);
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u8 brcmf_map_prio_to_aci(void *cfg, u8 prio);
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2014-12-21 11:43:52 +00:00
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#endif /* BRCMFMAC_COMMON_H */
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