diff options
Diffstat (limited to 'package/kernel/mac80211/patches/344-0017-brcmfmac-switch-to-new-platform-data.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/344-0017-brcmfmac-switch-to-new-platform-data.patch | 734 |
1 files changed, 0 insertions, 734 deletions
diff --git a/package/kernel/mac80211/patches/344-0017-brcmfmac-switch-to-new-platform-data.patch b/package/kernel/mac80211/patches/344-0017-brcmfmac-switch-to-new-platform-data.patch deleted file mode 100644 index 37b68552cc..0000000000 --- a/package/kernel/mac80211/patches/344-0017-brcmfmac-switch-to-new-platform-data.patch +++ /dev/null @@ -1,734 +0,0 @@ -From: Hante Meuleman <meuleman@broadcom.com> -Date: Wed, 17 Feb 2016 11:27:07 +0100 -Subject: [PATCH] brcmfmac: switch to new platform data - -Platform data is only available for sdio. With this patch a new -platform data structure is being used which allows for platform -data for any device and configurable per device. This patch only -switches to the new structure and adds support for SDIO devices. - -Reviewed-by: Arend Van Spriel <arend@broadcom.com> -Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> -Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> -Signed-off-by: Hante Meuleman <meuleman@broadcom.com> -Signed-off-by: Arend van Spriel <arend@broadcom.com> -Signed-off-by: Kalle Valo <kvalo@codeaurora.org> ---- - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c -@@ -103,7 +103,7 @@ static void brcmf_sdiod_dummy_irqhandler - - int brcmf_sdiod_intr_register(struct brcmf_sdio_dev *sdiodev) - { -- struct brcmfmac_sdio_platform_data *pdata; -+ struct brcmfmac_sdio_pd *pdata; - int ret = 0; - u8 data; - u32 addr, gpiocontrol; -@@ -173,7 +173,7 @@ int brcmf_sdiod_intr_register(struct brc - - int brcmf_sdiod_intr_unregister(struct brcmf_sdio_dev *sdiodev) - { -- struct brcmfmac_sdio_platform_data *pdata; -+ struct brcmfmac_sdio_pd *pdata; - - brcmf_dbg(SDIO, "Entering\n"); - -@@ -1164,17 +1164,6 @@ static int brcmf_ops_sdio_probe(struct s - dev_set_drvdata(&func->dev, bus_if); - dev_set_drvdata(&sdiodev->func[1]->dev, bus_if); - sdiodev->dev = &sdiodev->func[1]->dev; -- sdiodev->pdata = brcmf_get_module_param(sdiodev->dev); -- --#ifdef CONFIG_PM_SLEEP -- /* wowl can be supported when KEEP_POWER is true and (WAKE_SDIO_IRQ -- * is true or when platform data OOB irq is true). -- */ -- if ((sdio_get_host_pm_caps(sdiodev->func[1]) & MMC_PM_KEEP_POWER) && -- ((sdio_get_host_pm_caps(sdiodev->func[1]) & MMC_PM_WAKE_SDIO_IRQ) || -- (sdiodev->pdata && sdiodev->pdata->oob_irq_supported))) -- bus_if->wowl_supported = true; --#endif - - brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_DOWN); - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c -@@ -6459,8 +6459,8 @@ int brcmf_cfg80211_wait_vif_event(struct - static s32 brcmf_translate_country_code(struct brcmf_pub *drvr, char alpha2[2], - struct brcmf_fil_country_le *ccreq) - { -- struct cc_translate *country_codes; -- struct cc_entry *cc; -+ struct brcmfmac_pd_cc *country_codes; -+ struct brcmfmac_pd_cc_entry *cc; - s32 found_index; - int i; - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c -@@ -80,7 +80,7 @@ module_param_named(ignore_probe_fail, br - MODULE_PARM_DESC(ignore_probe_fail, "always succeed probe for debugging"); - #endif - --static struct brcmfmac_sdio_platform_data *brcmfmac_pdata; -+static struct brcmfmac_platform_data *brcmfmac_pdata; - struct brcmf_mp_global_t brcmf_mp_global; - - int brcmf_c_preinit_dcmds(struct brcmf_if *ifp) -@@ -229,15 +229,46 @@ void __brcmf_dbg(u32 level, const char * - - static void brcmf_mp_attach(void) - { -+ /* If module param firmware path is set then this will always be used, -+ * if not set then if available use the platform data version. To make -+ * sure it gets initialized at all, always copy the module param version -+ */ - strlcpy(brcmf_mp_global.firmware_path, brcmf_firmware_path, - BRCMF_FW_ALTPATH_LEN); -+ if ((brcmfmac_pdata) && (brcmfmac_pdata->fw_alternative_path) && -+ (brcmf_mp_global.firmware_path[0] == '\0')) { -+ strlcpy(brcmf_mp_global.firmware_path, -+ brcmfmac_pdata->fw_alternative_path, -+ BRCMF_FW_ALTPATH_LEN); -+ } - } - --struct brcmfmac_sdio_platform_data *brcmf_get_module_param(struct device *dev) --{ -- if (!brcmfmac_pdata) -- brcmf_of_probe(dev, &brcmfmac_pdata); -- return brcmfmac_pdata; -+struct brcmfmac_sdio_pd *brcmf_get_module_param(struct device *dev, -+ enum brcmf_bus_type bus_type, -+ u32 chip, u32 chiprev) -+{ -+ struct brcmfmac_sdio_pd *pdata; -+ struct brcmfmac_pd_device *device_pd; -+ int i; -+ -+ if (brcmfmac_pdata) { -+ for (i = 0; i < brcmfmac_pdata->device_count; i++) { -+ device_pd = &brcmfmac_pdata->devices[i]; -+ if ((device_pd->bus_type == bus_type) && -+ (device_pd->id == chip) && -+ ((device_pd->rev == chiprev) || -+ (device_pd->rev == -1))) { -+ brcmf_dbg(INFO, "Platform data for device found\n"); -+ if (device_pd->bus_type == BRCMF_BUSTYPE_SDIO) -+ return &device_pd->bus.sdio; -+ break; -+ } -+ } -+ } -+ pdata = NULL; -+ brcmf_of_probe(dev, &pdata); -+ -+ return pdata; - } - - int brcmf_mp_device_attach(struct brcmf_pub *drvr) -@@ -287,7 +318,7 @@ static int brcmf_common_pd_remove(struct - static struct platform_driver brcmf_pd = { - .remove = brcmf_common_pd_remove, - .driver = { -- .name = BRCMFMAC_SDIO_PDATA_NAME, -+ .name = BRCMFMAC_PDATA_NAME, - } - }; - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h -@@ -16,7 +16,7 @@ - #define BRCMFMAC_COMMON_H - - #include <linux/platform_device.h> --#include <linux/platform_data/brcmfmac-sdio.h> -+#include <linux/platform_data/brcmfmac.h> - #include "fwil_types.h" - - extern const u8 ALLFFMAC[ETH_ALEN]; -@@ -43,33 +43,6 @@ struct brcmf_mp_global_t { - extern struct brcmf_mp_global_t brcmf_mp_global; - - /** -- * struct 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 cc_entry { -- char iso3166[BRCMF_COUNTRY_BUF_SZ]; -- char cc[BRCMF_COUNTRY_BUF_SZ]; -- s32 rev; --}; -- --/** -- * struct cc_translate - 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: dynamic array of 1 or more elements with translation information. -- */ --struct cc_translate { -- int table_size; -- struct cc_entry table[0]; --}; -- --/** - * struct brcmf_mp_device - Device module paramaters. - * - * @sdiod_txglomsz: SDIO txglom size. -@@ -88,10 +61,12 @@ struct brcmf_mp_device { - int fcmode; - bool roamoff; - bool ignore_probe_fail; -- struct cc_translate *country_codes; -+ struct brcmfmac_pd_cc *country_codes; - }; - --struct brcmfmac_sdio_platform_data *brcmf_get_module_param(struct device *dev); -+struct brcmfmac_sdio_pd *brcmf_get_module_param(struct device *dev, -+ enum brcmf_bus_type bus_type, -+ u32 chip, u32 chiprev); - int brcmf_mp_device_attach(struct brcmf_pub *drvr); - void brcmf_mp_device_detach(struct brcmf_pub *drvr); - #ifdef DEBUG ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c -@@ -23,8 +23,7 @@ - #include "common.h" - #include "of.h" - --void --brcmf_of_probe(struct device *dev, struct brcmfmac_sdio_platform_data **sdio) -+void brcmf_of_probe(struct device *dev, struct brcmfmac_sdio_pd **sdio) - { - struct device_node *np = dev->of_node; - int irq; ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.h -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.h -@@ -15,10 +15,9 @@ - */ - #ifdef CONFIG_OF - void --brcmf_of_probe(struct device *dev, struct brcmfmac_sdio_platform_data **sdio); -+brcmf_of_probe(struct device *dev, struct brcmfmac_sdio_pd **sdio); - #else --static void brcmf_of_probe(struct device *dev, -- struct brcmfmac_sdio_platform_data **sdio) -+static void brcmf_of_probe(struct device *dev, struct brcmfmac_sdio_pd **sdio) - { - } - #endif /* CONFIG_OF */ ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c -@@ -33,8 +33,6 @@ - #include <linux/bcma/bcma.h> - #include <linux/debugfs.h> - #include <linux/vmalloc.h> --#include <linux/platform_data/brcmfmac-sdio.h> --#include <linux/moduleparam.h> - #include <asm/unaligned.h> - #include <defs.h> - #include <brcmu_wifi.h> -@@ -44,6 +42,8 @@ - #include "sdio.h" - #include "chip.h" - #include "firmware.h" -+#include "core.h" -+#include "common.h" - - #define DCMD_RESP_TIMEOUT msecs_to_jiffies(2500) - #define CTL_DONE_TIMEOUT msecs_to_jiffies(2500) -@@ -3775,26 +3775,28 @@ static const struct brcmf_buscore_ops br - static bool - brcmf_sdio_probe_attach(struct brcmf_sdio *bus) - { -+ struct brcmf_sdio_dev *sdiodev; - u8 clkctl = 0; - int err = 0; - int reg_addr; - u32 reg_val; - u32 drivestrength; - -- sdio_claim_host(bus->sdiodev->func[1]); -+ sdiodev = bus->sdiodev; -+ sdio_claim_host(sdiodev->func[1]); - - pr_debug("F1 signature read @0x18000000=0x%4x\n", -- brcmf_sdiod_regrl(bus->sdiodev, SI_ENUM_BASE, NULL)); -+ brcmf_sdiod_regrl(sdiodev, SI_ENUM_BASE, NULL)); - - /* - * Force PLL off until brcmf_chip_attach() - * programs PLL control regs - */ - -- brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, -+ brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - BRCMF_INIT_CLKCTL1, &err); - if (!err) -- clkctl = brcmf_sdiod_regrb(bus->sdiodev, -+ clkctl = brcmf_sdiod_regrb(sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, &err); - - if (err || ((clkctl & ~SBSDIO_AVBITS) != BRCMF_INIT_CLKCTL1)) { -@@ -3803,50 +3805,77 @@ brcmf_sdio_probe_attach(struct brcmf_sdi - goto fail; - } - -- bus->ci = brcmf_chip_attach(bus->sdiodev, &brcmf_sdio_buscore_ops); -+ bus->ci = brcmf_chip_attach(sdiodev, &brcmf_sdio_buscore_ops); - if (IS_ERR(bus->ci)) { - brcmf_err("brcmf_chip_attach failed!\n"); - bus->ci = NULL; - goto fail; - } -+ sdiodev->pdata = brcmf_get_module_param(sdiodev->dev, -+ BRCMF_BUSTYPE_SDIO, -+ bus->ci->chip, -+ bus->ci->chiprev); -+ /* platform specific configuration: -+ * alignments must be at least 4 bytes for ADMA -+ */ -+ bus->head_align = ALIGNMENT; -+ bus->sgentry_align = ALIGNMENT; -+ if (sdiodev->pdata) { -+ if (sdiodev->pdata->sd_head_align > ALIGNMENT) -+ bus->head_align = sdiodev->pdata->sd_head_align; -+ if (sdiodev->pdata->sd_sgentry_align > ALIGNMENT) -+ bus->sgentry_align = sdiodev->pdata->sd_sgentry_align; -+ } -+ /* allocate scatter-gather table. sg support -+ * will be disabled upon allocation failure. -+ */ -+ brcmf_sdiod_sgtable_alloc(sdiodev); -+ -+#ifdef CONFIG_PM_SLEEP -+ /* wowl can be supported when KEEP_POWER is true and (WAKE_SDIO_IRQ -+ * is true or when platform data OOB irq is true). -+ */ -+ if ((sdio_get_host_pm_caps(sdiodev->func[1]) & MMC_PM_KEEP_POWER) && -+ ((sdio_get_host_pm_caps(sdiodev->func[1]) & MMC_PM_WAKE_SDIO_IRQ) || -+ (sdiodev->pdata && sdiodev->pdata->oob_irq_supported))) -+ sdiodev->bus_if->wowl_supported = true; -+#endif - - if (brcmf_sdio_kso_init(bus)) { - brcmf_err("error enabling KSO\n"); - goto fail; - } - -- if ((bus->sdiodev->pdata) && (bus->sdiodev->pdata->drive_strength)) -- drivestrength = bus->sdiodev->pdata->drive_strength; -+ if ((sdiodev->pdata) && (sdiodev->pdata->drive_strength)) -+ drivestrength = sdiodev->pdata->drive_strength; - else - drivestrength = DEFAULT_SDIO_DRIVE_STRENGTH; -- brcmf_sdio_drivestrengthinit(bus->sdiodev, bus->ci, drivestrength); -+ brcmf_sdio_drivestrengthinit(sdiodev, bus->ci, drivestrength); - - /* Set card control so an SDIO card reset does a WLAN backplane reset */ -- reg_val = brcmf_sdiod_regrb(bus->sdiodev, -- SDIO_CCCR_BRCM_CARDCTRL, &err); -+ reg_val = brcmf_sdiod_regrb(sdiodev, SDIO_CCCR_BRCM_CARDCTRL, &err); - if (err) - goto fail; - - reg_val |= SDIO_CCCR_BRCM_CARDCTRL_WLANRESET; - -- brcmf_sdiod_regwb(bus->sdiodev, -- SDIO_CCCR_BRCM_CARDCTRL, reg_val, &err); -+ brcmf_sdiod_regwb(sdiodev, SDIO_CCCR_BRCM_CARDCTRL, reg_val, &err); - if (err) - goto fail; - - /* set PMUControl so a backplane reset does PMU state reload */ - reg_addr = CORE_CC_REG(brcmf_chip_get_pmu(bus->ci)->base, pmucontrol); -- reg_val = brcmf_sdiod_regrl(bus->sdiodev, reg_addr, &err); -+ reg_val = brcmf_sdiod_regrl(sdiodev, reg_addr, &err); - if (err) - goto fail; - - reg_val |= (BCMA_CC_PMU_CTL_RES_RELOAD << BCMA_CC_PMU_CTL_RES_SHIFT); - -- brcmf_sdiod_regwl(bus->sdiodev, reg_addr, reg_val, &err); -+ brcmf_sdiod_regwl(sdiodev, reg_addr, reg_val, &err); - if (err) - goto fail; - -- sdio_release_host(bus->sdiodev->func[1]); -+ sdio_release_host(sdiodev->func[1]); - - brcmu_pktq_init(&bus->txq, (PRIOMASK + 1), TXQLEN); - -@@ -3867,7 +3896,7 @@ brcmf_sdio_probe_attach(struct brcmf_sdi - return true; - - fail: -- sdio_release_host(bus->sdiodev->func[1]); -+ sdio_release_host(sdiodev->func[1]); - return false; - } - -@@ -4045,18 +4074,6 @@ struct brcmf_sdio *brcmf_sdio_probe(stru - bus->txminmax = BRCMF_TXMINMAX; - bus->tx_seq = SDPCM_SEQ_WRAP - 1; - -- /* platform specific configuration: -- * alignments must be at least 4 bytes for ADMA -- */ -- bus->head_align = ALIGNMENT; -- bus->sgentry_align = ALIGNMENT; -- if (sdiodev->pdata) { -- if (sdiodev->pdata->sd_head_align > ALIGNMENT) -- bus->head_align = sdiodev->pdata->sd_head_align; -- if (sdiodev->pdata->sd_sgentry_align > ALIGNMENT) -- bus->sgentry_align = sdiodev->pdata->sd_sgentry_align; -- } -- - /* single-threaded workqueue */ - wq = alloc_ordered_workqueue("brcmf_wq/%s", WQ_MEM_RECLAIM, - dev_name(&sdiodev->func[1]->dev)); ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h -@@ -184,7 +184,7 @@ struct brcmf_sdio_dev { - struct brcmf_sdio *bus; - struct device *dev; - struct brcmf_bus *bus_if; -- struct brcmfmac_sdio_platform_data *pdata; -+ struct brcmfmac_sdio_pd *pdata; - bool oob_irq_requested; - bool irq_en; /* irq enable flags */ - spinlock_t irq_en_lock; ---- a/include/linux/platform_data/brcmfmac-sdio.h -+++ /dev/null -@@ -1,135 +0,0 @@ --/* -- * Copyright (c) 2013 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 -- --/* -- * Platform specific driver functions and data. Through the platform specific -- * device data functions can be provided to help the brcmfmac driver to -- * operate with the device in combination with the used platform. -- * -- * Use the platform data in the following (similar) way: -- * -- * --#include <brcmfmac_platform.h> -- -- --static void brcmfmac_power_on(void) --{ --} -- --static void brcmfmac_power_off(void) --{ --} -- --static void brcmfmac_reset(void) --{ --} -- --static struct brcmfmac_sdio_platform_data brcmfmac_sdio_pdata = { -- .power_on = brcmfmac_power_on, -- .power_off = brcmfmac_power_off, -- .reset = brcmfmac_reset --}; -- --static struct platform_device brcmfmac_device = { -- .name = BRCMFMAC_SDIO_PDATA_NAME, -- .id = PLATFORM_DEVID_NONE, -- .dev.platform_data = &brcmfmac_sdio_pdata --}; -- --void __init brcmfmac_init_pdata(void) --{ -- brcmfmac_sdio_pdata.oob_irq_supported = true; -- brcmfmac_sdio_pdata.oob_irq_nr = gpio_to_irq(GPIO_BRCMF_SDIO_OOB); -- brcmfmac_sdio_pdata.oob_irq_flags = IORESOURCE_IRQ | -- IORESOURCE_IRQ_HIGHLEVEL; -- platform_device_register(&brcmfmac_device); --} -- * -- * -- * 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. -- * -- * Explanation of the platform_data fields: -- * -- * 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 -- * -- * power_on: This function is called by the brcmfmac 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 device can be powered down or otherwise be reset. -- * So if an actual power_off is not supported but reset is then reset the device -- * when this function gets called. This can be particularly useful for low power -- * devices. If there is no use-case for this function (either power-down or -- * reset) then provide NULL. -- * -- * 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. -- */ -- --#define BRCMFMAC_SDIO_PDATA_NAME "brcmfmac_sdio" -- --struct brcmfmac_sdio_platform_data { -- 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 (*power_on)(void); -- void (*power_off)(void); -- void (*reset)(void); --}; -- --#endif /* _LINUX_BRCMFMAC_PLATFORM_H */ ---- /dev/null -+++ b/include/linux/platform_data/brcmfmac.h -@@ -0,0 +1,185 @@ -+/* -+ * 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 */ |