staging: brcm80211: move files only used by brcmsmac into appropriate dir

A number of files in the util subdir are only used by the brcmsmac driver.
Move those files into the brcmsmac subdir instead, and do the necessary
Makefile updates to get the files from the new location.

Cc: devel@linuxdriverproject.org
Cc: linux-wireless@vger.kernel.org
Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 714 deletions

diff --git a/drivers/staging/brcm80211/util/bcmsrom.c b/drivers/staging/brcm80211/util/bcmsrom.c
deleted file mode 100644
index 8df44555f87..00000000000
--- a/drivers/staging/brcm80211/util/bcmsrom.c
+++ /dev/null
@@ -1,714 +0,0 @@
-/*
- * Copyright (c) 2010 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.
- */
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/etherdevice.h>
-#include <bcmdefs.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <stdarg.h>
-#include <bcmutils.h>
-#include <hndsoc.h>
-#include <sbchipc.h>
-#include <bcmdevs.h>
-#include <pcicfg.h>
-#include <aiutils.h>
-#include <bcmsrom.h>
-#include <bcmsrom_tbl.h>
-
-#include <bcmnvram.h>
-#include <bcmotp.h>
-
-#define SROM_OFFSET(sih) ((sih->ccrev > 31) ? \
-	(((sih->cccaps & CC_CAP_SROM) == 0) ? NULL : \
-	 ((u8 *)curmap + PCI_16KB0_CCREGS_OFFSET + CC_SROM_OTP)) : \
-	((u8 *)curmap + PCI_BAR0_SPROM_OFFSET))
-
-#if defined(BCMDBG)
-#define WRITE_ENABLE_DELAY	500	/* 500 ms after write enable/disable toggle */
-#define WRITE_WORD_DELAY	20	/* 20 ms between each word write */
-#endif
-
-typedef struct varbuf {
-	char *base;		/* pointer to buffer base */
-	char *buf;		/* pointer to current position */
-	unsigned int size;	/* current (residual) size in bytes */
-} varbuf_t;
-extern char *_vars;
-extern uint _varsz;
-
-static int initvars_srom_si(si_t *sih, void *curmap, char **vars, uint *count);
-static void _initvars_srom_pci(u8 sromrev, u16 *srom, uint off, varbuf_t *b);
-static int initvars_srom_pci(si_t *sih, void *curmap, char **vars, uint *count);
-static int initvars_flash_si(si_t *sih, char **vars, uint *count);
-static int sprom_read_pci(si_t *sih, u16 *sprom,
-			  uint wordoff, u16 *buf, uint nwords, bool check_crc);
-#if defined(BCMNVRAMR)
-static int otp_read_pci(si_t *sih, u16 *buf, uint bufsz);
-#endif
-static u16 srom_cc_cmd(si_t *sih, void *ccregs, u32 cmd,
-			  uint wordoff, u16 data);
-
-static int initvars_table(char *start, char *end,
-			  char **vars, uint *count);
-static int initvars_flash(si_t *sih, char **vp,
-			  uint len);
-
-/* Initialization of varbuf structure */
-static void varbuf_init(varbuf_t *b, char *buf, uint size)
-{
-	b->size = size;
-	b->base = b->buf = buf;
-}
-
-/* append a null terminated var=value string */
-static int varbuf_append(varbuf_t *b, const char *fmt, ...)
-{
-	va_list ap;
-	int r;
-	size_t len;
-	char *s;
-
-	if (b->size < 2)
-		return 0;
-
-	va_start(ap, fmt);
-	r = vsnprintf(b->buf, b->size, fmt, ap);
-	va_end(ap);
-
-	/* C99 snprintf behavior returns r >= size on overflow,
-	 * others return -1 on overflow.
-	 * All return -1 on format error.
-	 * We need to leave room for 2 null terminations, one for the current var
-	 * string, and one for final null of the var table. So check that the
-	 * strlen written, r, leaves room for 2 chars.
-	 */
-	if ((r == -1) || (r > (int)(b->size - 2))) {
-		b->size = 0;
-		return 0;
-	}
-
-	/* Remove any earlier occurrence of the same variable */
-	s = strchr(b->buf, '=');
-	if (s != NULL) {
-		len = (size_t) (s - b->buf);
-		for (s = b->base; s < b->buf;) {
-			if ((memcmp(s, b->buf, len) == 0) && s[len] == '=') {
-				len = strlen(s) + 1;
-				memmove(s, (s + len),
-					((b->buf + r + 1) - (s + len)));
-				b->buf -= len;
-				b->size += (unsigned int)len;
-				break;
-			}
-
-			while (*s++)
-				;
-		}
-	}
-
-	/* skip over this string's null termination */
-	r++;
-	b->size -= r;
-	b->buf += r;
-
-	return r;
-}
-
-/*
- * Initialize local vars from the right source for this platform.
- * Return 0 on success, nonzero on error.
- */
-int srom_var_init(si_t *sih, uint bustype, void *curmap,
-		  char **vars, uint *count)
-{
-	uint len;
-
-	len = 0;
-
-	if (vars == NULL || count == NULL)
-		return 0;
-
-	*vars = NULL;
-	*count = 0;
-
-	switch (bustype) {
-	case SI_BUS:
-	case JTAG_BUS:
-		return initvars_srom_si(sih, curmap, vars, count);
-
-	case PCI_BUS:
-		if (curmap == NULL)
-			return -1;
-
-		return initvars_srom_pci(sih, curmap, vars, count);
-
-	default:
-		break;
-	}
-	return -1;
-}
-
-/* In chips with chipcommon rev 32 and later, the srom is in chipcommon,
- * not in the bus cores.
- */
-static u16
-srom_cc_cmd(si_t *sih, void *ccregs, u32 cmd,
-	    uint wordoff, u16 data)
-{
-	chipcregs_t *cc = (chipcregs_t *) ccregs;
-	uint wait_cnt = 1000;
-
-	if ((cmd == SRC_OP_READ) || (cmd == SRC_OP_WRITE)) {
-		W_REG(&cc->sromaddress, wordoff * 2);
-		if (cmd == SRC_OP_WRITE)
-			W_REG(&cc->sromdata, data);
-	}
-
-	W_REG(&cc->sromcontrol, SRC_START | cmd);
-
-	while (wait_cnt--) {
-		if ((R_REG(&cc->sromcontrol) & SRC_BUSY) == 0)
-			break;
-	}
-
-	if (!wait_cnt) {
-		return 0xffff;
-	}
-	if (cmd == SRC_OP_READ)
-		return (u16) R_REG(&cc->sromdata);
-	else
-		return 0xffff;
-}
-
-static inline void ltoh16_buf(u16 *buf, unsigned int size)
-{
-	for (size /= 2; size; size--)
-		*(buf + size) = le16_to_cpu(*(buf + size));
-}
-
-static inline void htol16_buf(u16 *buf, unsigned int size)
-{
-	for (size /= 2; size; size--)
-		*(buf + size) = cpu_to_le16(*(buf + size));
-}
-
-/*
- * Read in and validate sprom.
- * Return 0 on success, nonzero on error.
- */
-static int
-sprom_read_pci(si_t *sih, u16 *sprom, uint wordoff,
-	       u16 *buf, uint nwords, bool check_crc)
-{
-	int err = 0;
-	uint i;
-	void *ccregs = NULL;
-
-	/* read the sprom */
-	for (i = 0; i < nwords; i++) {
-
-		if (sih->ccrev > 31 && ISSIM_ENAB(sih)) {
-			/* use indirect since direct is too slow on QT */
-			if ((sih->cccaps & CC_CAP_SROM) == 0)
-				return 1;
-
-			ccregs = (void *)((u8 *) sprom - CC_SROM_OTP);
-			buf[i] =
-			    srom_cc_cmd(sih, ccregs, SRC_OP_READ,
-					wordoff + i, 0);
-
-		} else {
-			if (ISSIM_ENAB(sih))
-				buf[i] = R_REG(&sprom[wordoff + i]);
-
-			buf[i] = R_REG(&sprom[wordoff + i]);
-		}
-
-	}
-
-	/* bypass crc checking for simulation to allow srom hack */
-	if (ISSIM_ENAB(sih))
-		return err;
-
-	if (check_crc) {
-
-		if (buf[0] == 0xffff) {
-			/* The hardware thinks that an srom that starts with 0xffff
-			 * is blank, regardless of the rest of the content, so declare
-			 * it bad.
-			 */
-			return 1;
-		}
-
-		/* fixup the endianness so crc8 will pass */
-		htol16_buf(buf, nwords * 2);
-		if (hndcrc8((u8 *) buf, nwords * 2, CRC8_INIT_VALUE) !=
-		    CRC8_GOOD_VALUE) {
-			/* DBG only pci always read srom4 first, then srom8/9 */
-			err = 1;
-		}
-		/* now correct the endianness of the byte array */
-		ltoh16_buf(buf, nwords * 2);
-	}
-	return err;
-}
-
-#if defined(BCMNVRAMR)
-static int otp_read_pci(si_t *sih, u16 *buf, uint bufsz)
-{
-	u8 *otp;
-	uint sz = OTP_SZ_MAX / 2;	/* size in words */
-	int err = 0;
-
-	otp = kzalloc(OTP_SZ_MAX, GFP_ATOMIC);
-	if (otp == NULL) {
-		return -EBADE;
-	}
-
-	err = otp_read_region(sih, OTP_HW_RGN, (u16 *) otp, &sz);
-
-	memcpy(buf, otp, bufsz);
-
-	kfree(otp);
-
-	/* Check CRC */
-	if (buf[0] == 0xffff) {
-		/* The hardware thinks that an srom that starts with 0xffff
-		 * is blank, regardless of the rest of the content, so declare
-		 * it bad.
-		 */
-		return 1;
-	}
-
-	/* fixup the endianness so crc8 will pass */
-	htol16_buf(buf, bufsz);
-	if (hndcrc8((u8 *) buf, SROM4_WORDS * 2, CRC8_INIT_VALUE) !=
-	    CRC8_GOOD_VALUE) {
-		err = 1;
-	}
-	/* now correct the endianness of the byte array */
-	ltoh16_buf(buf, bufsz);
-
-	return err;
-}
-#endif				/* defined(BCMNVRAMR) */
-/*
-* Create variable table from memory.
-* Return 0 on success, nonzero on error.
-*/
-static int initvars_table(char *start, char *end,
-			  char **vars, uint *count)
-{
-	int c = (int)(end - start);
-
-	/* do it only when there is more than just the null string */
-	if (c > 1) {
-		char *vp = kmalloc(c, GFP_ATOMIC);
-		if (!vp)
-			return -ENOMEM;
-		memcpy(vp, start, c);
-		*vars = vp;
-		*count = c;
-	} else {
-		*vars = NULL;
-		*count = 0;
-	}
-
-	return 0;
-}
-
-/*
- * Find variables with <devpath> from flash. 'base' points to the beginning
- * of the table upon enter and to the end of the table upon exit when success.
- * Return 0 on success, nonzero on error.
- */
-static int initvars_flash(si_t *sih, char **base, uint len)
-{
-	char *vp = *base;
-	char *flash;
-	int err;
-	char *s;
-	uint l, dl, copy_len;
-	char devpath[SI_DEVPATH_BUFSZ];
-
-	/* allocate memory and read in flash */
-	flash = kmalloc(NVRAM_SPACE, GFP_ATOMIC);
-	if (!flash)
-		return -ENOMEM;
-	err = nvram_getall(flash, NVRAM_SPACE);
-	if (err)
-		goto exit;
-
-	ai_devpath(sih, devpath, sizeof(devpath));
-
-	/* grab vars with the <devpath> prefix in name */
-	dl = strlen(devpath);
-	for (s = flash; s && *s; s += l + 1) {
-		l = strlen(s);
-
-		/* skip non-matching variable */
-		if (strncmp(s, devpath, dl))
-			continue;
-
-		/* is there enough room to copy? */
-		copy_len = l - dl + 1;
-		if (len < copy_len) {
-			err = -EOVERFLOW;
-			goto exit;
-		}
-
-		/* no prefix, just the name=value */
-		strncpy(vp, &s[dl], copy_len);
-		vp += copy_len;
-		len -= copy_len;
-	}
-
-	/* add null string as terminator */
-	if (len < 1) {
-		err = -EOVERFLOW;
-		goto exit;
-	}
-	*vp++ = '\0';
-
-	*base = vp;
-
- exit:	kfree(flash);
-	return err;
-}
-
-/*
- * Initialize nonvolatile variable table from flash.
- * Return 0 on success, nonzero on error.
- */
-static int initvars_flash_si(si_t *sih, char **vars, uint *count)
-{
-	char *vp, *base;
-	int err;
-
-	base = vp = kmalloc(MAXSZ_NVRAM_VARS, GFP_ATOMIC);
-	if (!vp)
-		return -ENOMEM;
-
-	err = initvars_flash(sih, &vp, MAXSZ_NVRAM_VARS);
-	if (err == 0)
-		err = initvars_table(base, vp, vars, count);
-
-	kfree(base);
-
-	return err;
-}
-
-/* Parse SROM and create name=value pairs. 'srom' points to
- * the SROM word array. 'off' specifies the offset of the
- * first word 'srom' points to, which should be either 0 or
- * SROM3_SWRG_OFF (full SROM or software region).
- */
-
-static uint mask_shift(u16 mask)
-{
-	uint i;
-	for (i = 0; i < (sizeof(mask) << 3); i++) {
-		if (mask & (1 << i))
-			return i;
-	}
-	return 0;
-}
-
-static uint mask_width(u16 mask)
-{
-	int i;
-	for (i = (sizeof(mask) << 3) - 1; i >= 0; i--) {
-		if (mask & (1 << i))
-			return (uint) (i - mask_shift(mask) + 1);
-	}
-	return 0;
-}
-
-static void _initvars_srom_pci(u8 sromrev, u16 *srom, uint off, varbuf_t *b)
-{
-	u16 w;
-	u32 val;
-	const sromvar_t *srv;
-	uint width;
-	uint flags;
-	u32 sr = (1 << sromrev);
-
-	varbuf_append(b, "sromrev=%d", sromrev);
-
-	for (srv = pci_sromvars; srv->name != NULL; srv++) {
-		const char *name;
-
-		if ((srv->revmask & sr) == 0)
-			continue;
-
-		if (srv->off < off)
-			continue;
-
-		flags = srv->flags;
-		name = srv->name;
-
-		/* This entry is for mfgc only. Don't generate param for it, */
-		if (flags & SRFL_NOVAR)
-			continue;
-
-		if (flags & SRFL_ETHADDR) {
-			u8 ea[ETH_ALEN];
-
-			ea[0] = (srom[srv->off - off] >> 8) & 0xff;
-			ea[1] = srom[srv->off - off] & 0xff;
-			ea[2] = (srom[srv->off + 1 - off] >> 8) & 0xff;
-			ea[3] = srom[srv->off + 1 - off] & 0xff;
-			ea[4] = (srom[srv->off + 2 - off] >> 8) & 0xff;
-			ea[5] = srom[srv->off + 2 - off] & 0xff;
-
-			varbuf_append(b, "%s=%pM", name, ea);
-		} else {
-			w = srom[srv->off - off];
-			val = (w & srv->mask) >> mask_shift(srv->mask);
-			width = mask_width(srv->mask);
-
-			while (srv->flags & SRFL_MORE) {
-				srv++;
-				if (srv->off == 0 || srv->off < off)
-					continue;
-
-				w = srom[srv->off - off];
-				val +=
-				    ((w & srv->mask) >> mask_shift(srv->
-								   mask)) <<
-				    width;
-				width += mask_width(srv->mask);
-			}
-
-			if ((flags & SRFL_NOFFS)
-			    && ((int)val == (1 << width) - 1))
-				continue;
-
-			if (flags & SRFL_CCODE) {
-				if (val == 0)
-					varbuf_append(b, "ccode=");
-				else
-					varbuf_append(b, "ccode=%c%c",
-						      (val >> 8), (val & 0xff));
-			}
-			/* LED Powersave duty cycle has to be scaled:
-			 *(oncount >> 24) (offcount >> 8)
-			 */
-			else if (flags & SRFL_LEDDC) {
-				u32 w32 = (((val >> 8) & 0xff) << 24) |	/* oncount */
-				    (((val & 0xff)) << 8);	/* offcount */
-				varbuf_append(b, "leddc=%d", w32);
-			} else if (flags & SRFL_PRHEX)
-				varbuf_append(b, "%s=0x%x", name, val);
-			else if ((flags & SRFL_PRSIGN)
-				 && (val & (1 << (width - 1))))
-				varbuf_append(b, "%s=%d", name,
-					      (int)(val | (~0 << width)));
-			else
-				varbuf_append(b, "%s=%u", name, val);
-		}
-	}
-
-	if (sromrev >= 4) {
-		/* Do per-path variables */
-		uint p, pb, psz;
-
-		if (sromrev >= 8) {
-			pb = SROM8_PATH0;
-			psz = SROM8_PATH1 - SROM8_PATH0;
-		} else {
-			pb = SROM4_PATH0;
-			psz = SROM4_PATH1 - SROM4_PATH0;
-		}
-
-		for (p = 0; p < MAX_PATH_SROM; p++) {
-			for (srv = perpath_pci_sromvars; srv->name != NULL;
-			     srv++) {
-				if ((srv->revmask & sr) == 0)
-					continue;
-
-				if (pb + srv->off < off)
-					continue;
-
-				/* This entry is for mfgc only. Don't generate param for it, */
-				if (srv->flags & SRFL_NOVAR)
-					continue;
-
-				w = srom[pb + srv->off - off];
-				val = (w & srv->mask) >> mask_shift(srv->mask);
-				width = mask_width(srv->mask);
-
-				/* Cheating: no per-path var is more than 1 word */
-
-				if ((srv->flags & SRFL_NOFFS)
-				    && ((int)val == (1 << width) - 1))
-					continue;
-
-				if (srv->flags & SRFL_PRHEX)
-					varbuf_append(b, "%s%d=0x%x", srv->name,
-						      p, val);
-				else
-					varbuf_append(b, "%s%d=%d", srv->name,
-						      p, val);
-			}
-			pb += psz;
-		}
-	}
-}
-
-/*
- * Initialize nonvolatile variable table from sprom.
- * Return 0 on success, nonzero on error.
- */
-static int initvars_srom_pci(si_t *sih, void *curmap, char **vars, uint *count)
-{
-	u16 *srom, *sromwindow;
-	u8 sromrev = 0;
-	u32 sr;
-	varbuf_t b;
-	char *vp, *base = NULL;
-	bool flash = false;
-	int err = 0;
-
-	/*
-	 * Apply CRC over SROM content regardless SROM is present or not,
-	 * and use variable <devpath>sromrev's existence in flash to decide
-	 * if we should return an error when CRC fails or read SROM variables
-	 * from flash.
-	 */
-	srom = kmalloc(SROM_MAX, GFP_ATOMIC);
-	if (!srom)
-		return -2;
-
-	sromwindow = (u16 *) SROM_OFFSET(sih);
-	if (ai_is_sprom_available(sih)) {
-		err =
-		    sprom_read_pci(sih, sromwindow, 0, srom, SROM_WORDS,
-				   true);
-
-		if ((srom[SROM4_SIGN] == SROM4_SIGNATURE) ||
-		    (((sih->buscoretype == PCIE_CORE_ID)
-		      && (sih->buscorerev >= 6))
-		     || ((sih->buscoretype == PCI_CORE_ID)
-			 && (sih->buscorerev >= 0xe)))) {
-			/* sromrev >= 4, read more */
-			err =
-			    sprom_read_pci(sih, sromwindow, 0, srom,
-					   SROM4_WORDS, true);
-			sromrev = srom[SROM4_CRCREV] & 0xff;
-		} else if (err == 0) {
-			/* srom is good and is rev < 4 */
-			/* top word of sprom contains version and crc8 */
-			sromrev = srom[SROM_CRCREV] & 0xff;
-			/* bcm4401 sroms misprogrammed */
-			if (sromrev == 0x10)
-				sromrev = 1;
-		}
-	}
-#if defined(BCMNVRAMR)
-	/* Use OTP if SPROM not available */
-	else {
-		err = otp_read_pci(sih, srom, SROM_MAX);
-		if (err == 0)
-			/* OTP only contain SROM rev8/rev9 for now */
-			sromrev = srom[SROM4_CRCREV] & 0xff;
-		else
-			err = 1;
-	}
-#else
-	else
-		err = 1;
-#endif
-
-	/*
-	 * We want internal/wltest driver to come up with default
-	 * sromvars so we can program a blank SPROM/OTP.
-	 */
-	if (err) {
-		char *value;
-		u32 val;
-		val = 0;
-
-		value = ai_getdevpathvar(sih, "sromrev");
-		if (value) {
-			sromrev = (u8) simple_strtoul(value, NULL, 0);
-			flash = true;
-			goto varscont;
-		}
-
-		value = ai_getnvramflvar(sih, "sromrev");
-		if (value) {
-			err = 0;
-			goto errout;
-		}
-
-		{
-			err = -1;
-			goto errout;
-		}
-	}
-
- varscont:
-	/* Bitmask for the sromrev */
-	sr = 1 << sromrev;
-
-	/* srom version check: Current valid versions: 1, 2, 3, 4, 5, 8, 9 */
-	if ((sr & 0x33e) == 0) {
-		err = -2;
-		goto errout;
-	}
-
-	base = vp = kmalloc(MAXSZ_NVRAM_VARS, GFP_ATOMIC);
-	if (!vp) {
-		err = -2;
-		goto errout;
-	}
-
-	/* read variables from flash */
-	if (flash) {
-		err = initvars_flash(sih, &vp, MAXSZ_NVRAM_VARS);
-		if (err)
-			goto errout;
-		goto varsdone;
-	}
-
-	varbuf_init(&b, base, MAXSZ_NVRAM_VARS);
-
-	/* parse SROM into name=value pairs. */
-	_initvars_srom_pci(sromrev, srom, 0, &b);
-
-	/* final nullbyte terminator */
-	vp = b.buf;
-	*vp++ = '\0';
-
- varsdone:
-	err = initvars_table(base, vp, vars, count);
-
- errout:
-	if (base)
-		kfree(base);
-
-	kfree(srom);
-	return err;
-}
-
-
-static int initvars_srom_si(si_t *sih, void *curmap, char **vars, uint *varsz)
-{
-	/* Search flash nvram section for srom variables */
-	return initvars_flash_si(sih, vars, varsz);
-}