c08437b4b5
Introducing a new source module that will be responsible for identifying features and quirks related to the device being handled. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
136 lines
3.5 KiB
C
136 lines
3.5 KiB
C
/*
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* Copyright (c) 2014 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <linux/netdevice.h>
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#include <brcm_hw_ids.h>
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#include "dhd.h"
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#include "dhd_bus.h"
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#include "dhd_dbg.h"
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#include "fwil.h"
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#include "feature.h"
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/*
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* firmware error code received if iovar is unsupported.
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*/
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#define EBRCMF_FEAT_UNSUPPORTED 23
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/*
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* expand feature list to array of feature strings.
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*/
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#define BRCMF_FEAT_DEF(_f) \
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#_f,
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static const char *brcmf_feat_names[] = {
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BRCMF_FEAT_LIST
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};
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#undef BRCMF_FEAT_DEF
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#ifdef DEBUG
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/*
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* expand quirk list to array of quirk strings.
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*/
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#define BRCMF_QUIRK_DEF(_q) \
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#_q,
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static const char * const brcmf_quirk_names[] = {
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BRCMF_QUIRK_LIST
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};
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#undef BRCMF_QUIRK_DEF
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/**
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* brcmf_feat_debugfs_read() - expose feature info to debugfs.
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*
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* @seq: sequence for debugfs entry.
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* @data: raw data pointer.
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*/
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static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data)
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{
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struct brcmf_bus *bus_if = dev_get_drvdata(seq->private);
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u32 feats = bus_if->drvr->feat_flags;
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u32 quirks = bus_if->drvr->chip_quirks;
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int id;
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seq_printf(seq, "Features: %08x\n", feats);
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for (id = 0; id < BRCMF_FEAT_LAST; id++)
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if (feats & BIT(id))
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seq_printf(seq, "\t%s\n", brcmf_feat_names[id]);
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seq_printf(seq, "\nQuirks: %08x\n", quirks);
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for (id = 0; id < BRCMF_FEAT_QUIRK_LAST; id++)
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if (quirks & BIT(id))
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seq_printf(seq, "\t%s\n", brcmf_quirk_names[id]);
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return 0;
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}
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#else
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static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data)
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{
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return 0;
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}
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#endif /* DEBUG */
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/**
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* brcmf_feat_iovar_int_get() - determine feature through iovar query.
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*
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* @ifp: interface to query.
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* @id: feature id.
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* @name: iovar name.
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*/
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static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp,
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enum brcmf_feat_id id, char *name)
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{
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u32 data;
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int err;
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err = brcmf_fil_iovar_int_get(ifp, name, &data);
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if (err == 0) {
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brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]);
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ifp->drvr->feat_flags |= BIT(id);
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} else {
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brcmf_dbg(TRACE, "%s feature check failed: %d\n",
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brcmf_feat_names[id], err);
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}
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}
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void brcmf_feat_attach(struct brcmf_pub *drvr)
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{
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struct brcmf_if *ifp = drvr->iflist[0];
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brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_MCHAN, "mchan");
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/* set chip related quirks */
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switch (drvr->bus_if->chip) {
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case BRCM_CC_43236_CHIP_ID:
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drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_AUTO_AUTH);
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break;
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case BRCM_CC_4329_CHIP_ID:
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drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_NEED_MPC);
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break;
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default:
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/* no quirks */
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break;
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}
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brcmf_debugfs_add_entry(drvr, "features", brcmf_feat_debugfs_read);
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}
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bool brcmf_feat_is_enabled(struct brcmf_if *ifp, enum brcmf_feat_id id)
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{
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return (ifp->drvr->feat_flags & BIT(id));
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}
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bool brcmf_feat_is_quirk_enabled(struct brcmf_if *ifp,
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enum brcmf_feat_quirk quirk)
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{
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return (ifp->drvr->chip_quirks & BIT(quirk));
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}
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