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Make basic Broadcom I/O space reading functions work

Browse source 
It's now possible to use Broadcom functions to read the I/O registers of
SDIO card. The functions were copied from the BSD-licensed Broadcom Linux driver
as-is. To make it possible, a small Linux compatibility layer was introduced.

Currently the card responds with the correct version number ("magic")
when reading the corresponding address.

Approved by:	imp (mentor)
Differential Revision:	https://reviews.freebsd.org/D12111
This commit is contained in:
Ilya Bakulin 2017-09-18 20:01:01 +00:00
parent 70394ab378
commit 029c02a3ae
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=323717
9 changed files with 1280 additions and 427 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
usr.bin/sdiotool/Makefile
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@ -1,7 +1,7 @@
# $FreeBSD$
PROG= sdiotool
SRCS= sdiotool.c
SRCS= sdiotool.c cam_sdio.c linux_sdio_compat.c
LIBADD= cam util
MAN=

26
usr.bin/sdiotool/brcmfmac_bus.h Normal file
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@ -0,0 +1,26 @@
/*
* 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.
*
* $FreeBSD$
*/
/* The level of bus communication with the dongle */
enum brcmf_bus_state {
BRCMF_BUS_DOWN, /* Not ready for frame transfers */
BRCMF_BUS_UP /* Ready for frame transfers */
};
struct brcmf_bus {
enum brcmf_bus_state state;
};

160
usr.bin/sdiotool/brcmfmac_sdio.h Normal file
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@ -0,0 +1,160 @@
/*
* 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.
*
* $FreeBSD$
*/
#define SDIO_FUNC_0 0
#define SDIO_FUNC_1 1
#define SDIO_FUNC_2 2
#define SDIOD_FBR_SIZE 0x100
/* io_en */
#define SDIO_FUNC_ENABLE_1 0x02
#define SDIO_FUNC_ENABLE_2 0x04
/* io_rdys */
#define SDIO_FUNC_READY_1 0x02
#define SDIO_FUNC_READY_2 0x04
/* intr_status */
#define INTR_STATUS_FUNC1 0x2
#define INTR_STATUS_FUNC2 0x4
/* Maximum number of I/O funcs */
#define SDIOD_MAX_IOFUNCS 7
/* mask of register map */
#define REG_F0_REG_MASK 0x7FF
#define REG_F1_MISC_MASK 0x1FFFF
/* as of sdiod rev 0, supports 3 functions */
#define SBSDIO_NUM_FUNCTION 3
/* function 0 vendor specific CCCR registers */
#define SDIO_CCCR_BRCM_CARDCAP 0xf0
#define SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT 0x02
#define SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT 0x04
#define SDIO_CCCR_BRCM_CARDCAP_CMD_NODEC 0x08
#define SDIO_CCCR_BRCM_CARDCTRL 0xf1
#define SDIO_CCCR_BRCM_CARDCTRL_WLANRESET 0x02
#define SDIO_CCCR_BRCM_SEPINT 0xf2
#define SDIO_SEPINT_MASK 0x01
#define SDIO_SEPINT_OE 0x02
#define SDIO_SEPINT_ACT_HI 0x04
/* function 1 miscellaneous registers */
/* sprom command and status */
#define SBSDIO_SPROM_CS 0x10000
/* sprom info register */
#define SBSDIO_SPROM_INFO 0x10001
/* sprom indirect access data byte 0 */
#define SBSDIO_SPROM_DATA_LOW 0x10002
/* sprom indirect access data byte 1 */
#define SBSDIO_SPROM_DATA_HIGH 0x10003
/* sprom indirect access addr byte 0 */
#define SBSDIO_SPROM_ADDR_LOW 0x10004
/* gpio select */
#define SBSDIO_GPIO_SELECT 0x10005
/* gpio output */
#define SBSDIO_GPIO_OUT 0x10006
/* gpio enable */
#define SBSDIO_GPIO_EN 0x10007
/* rev < 7, watermark for sdio device */
#define SBSDIO_WATERMARK 0x10008
/* control busy signal generation */
#define SBSDIO_DEVICE_CTL 0x10009
/* SB Address Window Low (b15) */
#define SBSDIO_FUNC1_SBADDRLOW 0x1000A
/* SB Address Window Mid (b23:b16) */
#define SBSDIO_FUNC1_SBADDRMID 0x1000B
/* SB Address Window High (b31:b24) */
#define SBSDIO_FUNC1_SBADDRHIGH 0x1000C
/* Frame Control (frame term/abort) */
#define SBSDIO_FUNC1_FRAMECTRL 0x1000D
/* ChipClockCSR (ALP/HT ctl/status) */
#define SBSDIO_FUNC1_CHIPCLKCSR 0x1000E
/* SdioPullUp (on cmd, d0-d2) */
#define SBSDIO_FUNC1_SDIOPULLUP 0x1000F
/* Write Frame Byte Count Low */
#define SBSDIO_FUNC1_WFRAMEBCLO 0x10019
/* Write Frame Byte Count High */
#define SBSDIO_FUNC1_WFRAMEBCHI 0x1001A
/* Read Frame Byte Count Low */
#define SBSDIO_FUNC1_RFRAMEBCLO 0x1001B
/* Read Frame Byte Count High */
#define SBSDIO_FUNC1_RFRAMEBCHI 0x1001C
/* MesBusyCtl (rev 11) */
#define SBSDIO_FUNC1_MESBUSYCTRL 0x1001D
/* Sdio Core Rev 12 */
#define SBSDIO_FUNC1_WAKEUPCTRL 0x1001E
#define SBSDIO_FUNC1_WCTRL_ALPWAIT_MASK 0x1
#define SBSDIO_FUNC1_WCTRL_ALPWAIT_SHIFT 0
#define SBSDIO_FUNC1_WCTRL_HTWAIT_MASK 0x2
#define SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT 1
#define SBSDIO_FUNC1_SLEEPCSR 0x1001F
#define SBSDIO_FUNC1_SLEEPCSR_KSO_MASK 0x1
#define SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT 0
#define SBSDIO_FUNC1_SLEEPCSR_KSO_EN 1
#define SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK 0x2
#define SBSDIO_FUNC1_SLEEPCSR_DEVON_SHIFT 1
#define SBSDIO_FUNC1_MISC_REG_START 0x10000 /* f1 misc register start */
#define SBSDIO_FUNC1_MISC_REG_LIMIT 0x1001F /* f1 misc register end */
/* function 1 OCP space */
/* sb offset addr is <= 15 bits, 32k */
#define SBSDIO_SB_OFT_ADDR_MASK 0x07FFF
#define SBSDIO_SB_OFT_ADDR_LIMIT 0x08000
/* with b15, maps to 32-bit SB access */
#define SBSDIO_SB_ACCESS_2_4B_FLAG 0x08000
/* valid bits in SBSDIO_FUNC1_SBADDRxxx regs */
#define SBSDIO_SBADDRLOW_MASK 0x80 /* Valid bits in SBADDRLOW */
#define SBSDIO_SBADDRMID_MASK 0xff /* Valid bits in SBADDRMID */
#define SBSDIO_SBADDRHIGH_MASK 0xffU /* Valid bits in SBADDRHIGH */
/* Address bits from SBADDR regs */
#define SBSDIO_SBWINDOW_MASK 0xffff8000
#define SDIOH_READ 0 /* Read request */
#define SDIOH_WRITE 1 /* Write request */
#define SDIOH_DATA_FIX 0 /* Fixed addressing */
#define SDIOH_DATA_INC 1 /* Incremental addressing */
/* internal return code */
#define SUCCESS 0
#define ERROR 1
/* Packet alignment for most efficient SDIO (can change based on platform) */
#define BRCMF_SDALIGN (1 << 6)
/**
* enum brcmf_sdiod_state - the state of the bus.
*
* @BRCMF_SDIOD_DOWN: Device can be accessed, no DPC.
* @BRCMF_SDIOD_DATA: Ready for data transfers, DPC enabled.
* @BRCMF_SDIOD_NOMEDIUM: No medium access to dongle possible.
*/
enum brcmf_sdiod_state {
BRCMF_SDIOD_DOWN,
BRCMF_SDIOD_DATA,
BRCMF_SDIOD_NOMEDIUM
};

440
usr.bin/sdiotool/cam_sdio.c Normal file
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@ -0,0 +1,440 @@
/*-
* Copyright (c) 2017 Ilya Bakulin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "cam_sdio.h"
/* Use CMD52 to read or write a single byte */
int
sdio_rw_direct(struct cam_device *dev,
uint8_t func_number,
uint32_t addr,
uint8_t is_write,
uint8_t *data, uint8_t *resp) {
union ccb *ccb;
uint32_t flags;
uint32_t arg;
int retval = 0;
ccb = cam_getccb(dev);
if (ccb == NULL) {
warnx("%s: error allocating CCB", __func__);
return (-1);
}
bzero(&(&ccb->ccb_h)[1],
sizeof(union ccb) - sizeof(struct ccb_hdr));
flags = MMC_RSP_R5 | MMC_CMD_AC;
arg = SD_IO_RW_FUNC(func_number) | SD_IO_RW_ADR(addr);
if (is_write)
arg |= SD_IO_RW_WR | SD_IO_RW_RAW | SD_IO_RW_DAT(*data);
cam_fill_mmcio(&ccb->mmcio,
/*retries*/ 0,
/*cbfcnp*/ NULL,
/*flags*/ CAM_DIR_NONE,
/*mmc_opcode*/ SD_IO_RW_DIRECT,
/*mmc_arg*/ arg,
/*mmc_flags*/ flags,
/*mmc_data*/ 0,
/*timeout*/ 5000);
if (((retval = cam_send_ccb(dev, ccb)) < 0)
|| ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)) {
const char warnstr[] = "error sending command";
if (retval < 0)
warn(warnstr);
else
warnx(warnstr);
return (-1);
}
*resp = ccb->mmcio.cmd.resp[0] & 0xFF;
cam_freeccb(ccb);
return (retval);
}
/*
* CMD53 -- IO_RW_EXTENDED
* Use to read or write memory blocks
*
* is_increment=1: FIFO mode
* blk_count > 0: block mode
*/
int
sdio_rw_extended(struct cam_device *dev,
uint8_t func_number,
uint32_t addr,
uint8_t is_write,
caddr_t data, size_t datalen,
uint8_t is_increment,
uint16_t blk_count) {
union ccb *ccb;
uint32_t flags;
uint32_t arg;
uint32_t cam_flags;
uint8_t resp;
struct mmc_data mmcd;
int retval = 0;
if (blk_count != 0) {
warnx("%s: block mode is not supported yet", __func__);
return (-1);
}
ccb = cam_getccb(dev);
if (ccb == NULL) {
warnx("%s: error allocating CCB", __func__);
return (-1);
}
bzero(&(&ccb->ccb_h)[1],
sizeof(union ccb) - sizeof(struct ccb_hdr));
flags = MMC_RSP_R5 | MMC_CMD_ADTC;
arg = SD_IO_RW_FUNC(func_number) | SD_IO_RW_ADR(addr) |
SD_IOE_RW_LEN(datalen);
if (is_increment)
arg |= SD_IO_RW_INCR;
mmcd.data = data;
mmcd.len = datalen;
mmcd.xfer_len = 0; /* not used by MMCCAM */
mmcd.mrq = NULL; /* not used by MMCCAM */
if (is_write) {
arg |= SD_IO_RW_WR;
cam_flags = CAM_DIR_OUT;
mmcd.flags = MMC_DATA_WRITE;
} else {
cam_flags = CAM_DIR_IN;
mmcd.flags = MMC_DATA_READ;
}
cam_fill_mmcio(&ccb->mmcio,
/*retries*/ 0,
/*cbfcnp*/ NULL,
/*flags*/ cam_flags,
/*mmc_opcode*/ SD_IO_RW_EXTENDED,
/*mmc_arg*/ arg,
/*mmc_flags*/ flags,
/*mmc_data*/ &mmcd,
/*timeout*/ 5000);
if (((retval = cam_send_ccb(dev, ccb)) < 0)
|| ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)) {
const char warnstr[] = "error sending command";
if (retval < 0)
warn(warnstr);
else
warnx(warnstr);
return (-1);
}
resp = ccb->mmcio.cmd.resp[0] & 0xFF;
if (resp != 0)
warn("Response from CMD53 is not 0?!");
cam_freeccb(ccb);
return (retval);
}
int
sdio_read_bool_for_func(struct cam_device *dev, uint32_t addr, uint8_t func_number, uint8_t *is_enab) {
uint8_t resp;
int ret;
ret = sdio_rw_direct(dev, 0, addr, 0, NULL, &resp);
if (ret < 0)
return ret;
*is_enab = (resp & (1 << func_number)) > 0 ? 1 : 0;
return (0);
}
int
sdio_set_bool_for_func(struct cam_device *dev, uint32_t addr, uint8_t func_number, int enable) {
uint8_t resp;
int ret;
uint8_t is_enabled;
ret = sdio_rw_direct(dev, 0, addr, 0, NULL, &resp);
if (ret != 0)
return ret;
is_enabled = resp & (1 << func_number);
if ((is_enabled !=0 && enable == 1) || (is_enabled == 0 && enable == 0))
return 0;
if (enable)
resp |= 1 << func_number;
else
resp &= ~ (1 << func_number);
ret = sdio_rw_direct(dev, 0, addr, 1, &resp, &resp);
return ret;
}
/* Conventional I/O functions */
uint8_t
sdio_read_1(struct cam_device *dev, uint8_t func_number, uint32_t addr, int *ret) {
uint8_t val;
*ret = sdio_rw_direct(dev, func_number, addr, 0, NULL, &val);
return val;
}
int
sdio_write_1(struct cam_device *dev, uint8_t func_number, uint32_t addr, uint8_t val) {
uint8_t _val;
return sdio_rw_direct(dev, func_number, addr, 0, &val, &_val);
}
uint16_t
sdio_read_2(struct cam_device *dev, uint8_t func_number, uint32_t addr, int *ret) {
uint16_t val;
*ret = sdio_rw_extended(dev, func_number, addr,
/* is_write */ 0,
/* data */ (caddr_t) &val,
/* datalen */ sizeof(val),
/* is_increment */ 1,
/* blk_count */ 0
);
return val;
}
int
sdio_write_2(struct cam_device *dev, uint8_t func_number, uint32_t addr, uint16_t val) {
return sdio_rw_extended(dev, func_number, addr,
/* is_write */ 1,
/* data */ (caddr_t) &val,
/* datalen */ sizeof(val),
/* is_increment */ 1,
/* blk_count */ 0
);
}
uint32_t
sdio_read_4(struct cam_device *dev, uint8_t func_number, uint32_t addr, int *ret) {
uint32_t val;
*ret = sdio_rw_extended(dev, func_number, addr,
/* is_write */ 0,
/* data */ (caddr_t) &val,
/* datalen */ sizeof(val),
/* is_increment */ 1,
/* blk_count */ 0
);
return val;
}
int
sdio_write_4(struct cam_device *dev, uint8_t func_number, uint32_t addr, uint32_t val) {
return sdio_rw_extended(dev, func_number, addr,
/* is_write */ 1,
/* data */ (caddr_t) &val,
/* datalen */ sizeof(val),
/* is_increment */ 1,
/* blk_count */ 0
);
}
/* Higher-level wrappers for certain management operations */
int
sdio_is_func_ready(struct cam_device *dev, uint8_t func_number, uint8_t *is_enab) {
return sdio_read_bool_for_func(dev, SD_IO_CCCR_FN_READY, func_number, is_enab);
}
int
sdio_is_func_enabled(struct cam_device *dev, uint8_t func_number, uint8_t *is_enab) {
return sdio_read_bool_for_func(dev, SD_IO_CCCR_FN_ENABLE, func_number, is_enab);
}
int
sdio_func_enable(struct cam_device *dev, uint8_t func_number, int enable) {
return sdio_set_bool_for_func(dev, SD_IO_CCCR_FN_ENABLE, func_number, enable);
}
int
sdio_is_func_intr_enabled(struct cam_device *dev, uint8_t func_number, uint8_t *is_enab) {
return sdio_read_bool_for_func(dev, SD_IO_CCCR_INT_ENABLE, func_number, is_enab);
}
int
sdio_func_intr_enable(struct cam_device *dev, uint8_t func_number, int enable) {
return sdio_set_bool_for_func(dev, SD_IO_CCCR_INT_ENABLE, func_number, enable);
}
int
sdio_card_set_bus_width(struct cam_device *dev, enum mmc_bus_width bw) {
int ret;
uint8_t ctl_val;
ret = sdio_rw_direct(dev, 0, SD_IO_CCCR_BUS_WIDTH, 0, NULL, &ctl_val);
if (ret < 0) {
warn("Error getting CCCR_BUS_WIDTH value");
return ret;
}
ctl_val &= ~0x3;
switch (bw) {
case bus_width_1:
/* Already set to 1-bit */
break;
case bus_width_4:
ctl_val |= CCCR_BUS_WIDTH_4;
break;
case bus_width_8:
warn("Cannot do 8-bit on SDIO yet");
return -1;
break;
}
ret = sdio_rw_direct(dev, 0, SD_IO_CCCR_BUS_WIDTH, 1, &ctl_val, &ctl_val);
if (ret < 0) {
warn("Error setting CCCR_BUS_WIDTH value");
return ret;
}
return ret;
}
int
sdio_func_read_cis(struct cam_device *dev, uint8_t func_number,
uint32_t cis_addr, struct cis_info *info) {
uint8_t tuple_id, tuple_len, tuple_count;
uint32_t addr;
char *cis1_info[4];
int start, i, ch, count, ret;
char cis1_info_buf[256];
tuple_count = 0; /* Use to prevent infinite loop in case of parse errors */
memset(cis1_info_buf, 0, 256);
do {
addr = cis_addr;
tuple_id = sdio_read_1(dev, 0, addr++, &ret);
if (tuple_id == SD_IO_CISTPL_END)
break;
if (tuple_id == 0) {
cis_addr++;
continue;
}
tuple_len = sdio_read_1(dev, 0, addr++, &ret);
if (tuple_len == 0 && tuple_id != 0x00) {
warn("Parse error: 0-length tuple %02X\n", tuple_id);
return -1;
}
switch (tuple_id) {
case SD_IO_CISTPL_VERS_1:
addr += 2;
for (count = 0, start = 0, i = 0;
(count < 4) && ((i + 4) < 256); i++) {
ch = sdio_read_1(dev, 0, addr + i, &ret);
printf("count=%d, start=%d, i=%d, Got %c (0x%02x)\n", count, start, i, ch, ch);
if (ch == 0xff)
break;
cis1_info_buf[i] = ch;
if (ch == 0) {
cis1_info[count] =
cis1_info_buf + start;
start = i + 1;
count++;
}
}
printf("Card info:");
for (i=0; i<4; i++)
if (cis1_info[i])
printf(" %s", cis1_info[i]);
printf("\n");
break;
case SD_IO_CISTPL_MANFID:
info->man_id = sdio_read_1(dev, 0, addr++, &ret);
info->man_id |= sdio_read_1(dev, 0, addr++, &ret) << 8;
info->prod_id = sdio_read_1(dev, 0, addr++, &ret);
info->prod_id |= sdio_read_1(dev, 0, addr++, &ret) << 8;
break;
case SD_IO_CISTPL_FUNCID:
/* not sure if we need to parse it? */
break;
case SD_IO_CISTPL_FUNCE:
if (tuple_len < 4) {
printf("FUNCE is too short: %d\n", tuple_len);
break;
}
if (func_number == 0) {
/* skip extended_data */
addr++;
info->max_block_size = sdio_read_1(dev, 0, addr++, &ret);
info->max_block_size |= sdio_read_1(dev, 0, addr++, &ret) << 8;
} else {
info->max_block_size = sdio_read_1(dev, 0, addr + 0xC, &ret);
info->max_block_size |= sdio_read_1(dev, 0, addr + 0xD, &ret) << 8;
}
break;
default:
warnx("Skipping tuple ID %02X len %02X\n", tuple_id, tuple_len);
}
cis_addr += tuple_len + 2;
tuple_count++;
} while (tuple_count < 20);
return 0;
}
uint32_t
sdio_get_common_cis_addr(struct cam_device *dev) {
uint32_t addr;
int ret;
addr = sdio_read_1(dev, 0, SD_IO_CCCR_CISPTR, &ret);
addr |= sdio_read_1(dev, 0, SD_IO_CCCR_CISPTR + 1, &ret) << 8;
addr |= sdio_read_1(dev, 0, SD_IO_CCCR_CISPTR + 2, &ret) << 16;
if (addr < SD_IO_CIS_START || addr > SD_IO_CIS_START + SD_IO_CIS_SIZE) {
warn("Bad CIS address: %04X\n", addr);
addr = 0;
}
return addr;
}
void sdio_card_reset(struct cam_device *dev) {
int ret;
uint8_t ctl_val;
ret = sdio_rw_direct(dev, 0, SD_IO_CCCR_CTL, 0, NULL, &ctl_val);
if (ret < 0)
errx(1, "Error getting CCCR_CTL value");
ctl_val |= CCCR_CTL_RES;
ret = sdio_rw_direct(dev, 0, SD_IO_CCCR_CTL, 1, &ctl_val, &ctl_val);
if (ret < 0)
errx(1, "Error setting CCCR_CTL value");
}

95
usr.bin/sdiotool/cam_sdio.h Normal file
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/*-
* Copyright (c) 2017 Ilya Bakulin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/ioctl.h>
#include <sys/stdint.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/endian.h>
#include <sys/sbuf.h>
#include <sys/mman.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <inttypes.h>
#include <limits.h>
#include <fcntl.h>
#include <ctype.h>
#include <err.h>
#include <libutil.h>
#include <unistd.h>
#include <cam/cam.h>
#include <cam/cam_debug.h>
#include <cam/cam_ccb.h>
#include <cam/mmc/mmc_all.h>
#include <camlib.h>
struct cis_info {
uint16_t man_id;
uint16_t prod_id;
uint16_t max_block_size;
};
int sdio_rw_direct(struct cam_device *dev,
uint8_t func_number,
uint32_t addr,
uint8_t is_write,
uint8_t *data,
uint8_t *resp);
int
sdio_rw_extended(struct cam_device *dev,
uint8_t func_number,
uint32_t addr,
uint8_t is_write,
caddr_t data, size_t datalen,
uint8_t is_increment,
uint16_t blk_count);
uint8_t sdio_read_1(struct cam_device *dev, uint8_t func_number, uint32_t addr, int *ret);
int sdio_write_1(struct cam_device *dev, uint8_t func_number, uint32_t addr, uint8_t val);
uint16_t sdio_read_2(struct cam_device *dev, uint8_t func_number, uint32_t addr, int *ret);
int sdio_write_2(struct cam_device *dev, uint8_t func_number, uint32_t addr, uint16_t val);
uint32_t sdio_read_4(struct cam_device *dev, uint8_t func_number, uint32_t addr, int *ret);
int sdio_write_4(struct cam_device *dev, uint8_t func_number, uint32_t addr, uint32_t val);
int sdio_read_bool_for_func(struct cam_device *dev, uint32_t addr, uint8_t func_number, uint8_t *is_enab);
int sdio_set_bool_for_func(struct cam_device *dev, uint32_t addr, uint8_t func_number, int enable);
int sdio_is_func_ready(struct cam_device *dev, uint8_t func_number, uint8_t *is_enab);
int sdio_is_func_enabled(struct cam_device *dev, uint8_t func_number, uint8_t *is_enab);
int sdio_func_enable(struct cam_device *dev, uint8_t func_number, int enable);
int sdio_is_func_intr_enabled(struct cam_device *dev, uint8_t func_number, uint8_t *is_enab);
int sdio_func_intr_enable(struct cam_device *dev, uint8_t func_number, int enable);
void sdio_card_reset(struct cam_device *dev);
uint32_t sdio_get_common_cis_addr(struct cam_device *dev);
int sdio_func_read_cis(struct cam_device *dev, uint8_t func_number,
uint32_t cis_addr, struct cis_info *info);
int sdio_card_set_bus_width(struct cam_device *dev, enum mmc_bus_width bw);

58
usr.bin/sdiotool/linux_compat.h Normal file
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@ -0,0 +1,58 @@
/*-
* Copyright (c) 2016-2017 Ilya Bakulin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#ifndef _LINUX_COMPAT_H_
#define _LINUX_COMPAT_H_
/* Linux compatibility shims */
#define uint unsigned int
#define u32 uint32_t
#define u8 uint8_t
#define u16 uint16_t
#define s32 int32_t
#define bool int8_t
#define true 1
#define false 0
#define usleep_range(a, b) usleep(a)
#define ENOMEDIUM -1
#define EINVAL -2
#define WARN_ON(cond) ({ \
bool __ret = (cond); \
if (__ret) { \
printf("WARNING %s failed at %s:%d\n", \
#cond, __FILE__, __LINE__); \
} \
(__ret); \
})
#endif

104
usr.bin/sdiotool/linux_sdio_compat.c Normal file
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@ -0,0 +1,104 @@
/*-
* Copyright (c) 2016-2017 Ilya Bakulin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/ioctl.h>
#include <sys/stdint.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/endian.h>
#include <sys/sbuf.h>
#include <sys/mman.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <inttypes.h>
#include <limits.h>
#include <fcntl.h>
#include <ctype.h>
#include <err.h>
#include <libutil.h>
#include <unistd.h>
#include <cam/cam.h>
#include <cam/cam_debug.h>
#include <cam/cam_ccb.h>
#include <cam/mmc/mmc_all.h>
#include <camlib.h>
#include "linux_compat.h"
#include "linux_sdio_compat.h"
#include "cam_sdio.h"
u8 sdio_readb(struct sdio_func *func, unsigned int addr, int *err_ret) {
return sdio_read_1(func->dev, func->num, addr, err_ret);
}
unsigned char sdio_f0_readb(struct sdio_func *func, unsigned int addr, int *err_ret) {
return sdio_readb(func, addr, err_ret);
}
u16 sdio_readw(struct sdio_func *func, unsigned int addr, int *err_ret) {
return sdio_read_2(func->dev, func->num, addr, err_ret);
}
u32 sdio_readl(struct sdio_func *func, unsigned int addr, int *err_ret) {
return sdio_read_4(func->dev, func->num, addr, err_ret);
}
void sdio_writeb(struct sdio_func *func, u8 b,
unsigned int addr, int *err_ret) {
*err_ret = sdio_write_1(func->dev, func->num, addr, b);
}
/* Only writes to the vendor specific CCCR registers
* (0xF0 - 0xFF) are permiited. */
void sdio_f0_writeb(struct sdio_func *func, unsigned char b,
unsigned int addr, int *err_ret)
{
if (addr < 0xF0 || addr > 0xFF) {
if (err_ret)
*err_ret = -EINVAL;
return;
}
sdio_writeb(func, b, addr, err_ret);
}
void sdio_writew(struct sdio_func *func, u16 b,
unsigned int addr, int *err_ret) {
*err_ret = sdio_write_2(func->dev, func->num, addr, b);
}
void sdio_writel(struct sdio_func *func, u32 b,
unsigned int addr, int *err_ret) {
*err_ret = sdio_write_4(func->dev, func->num, addr, b);
}

63
usr.bin/sdiotool/linux_sdio_compat.h Normal file
View file

@ -0,0 +1,63 @@
/*-
* Copyright (c) 2017 Ilya Bakulin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#ifndef _LINUX_SDIO_COMPAT_H_
#define _LINUX_SDIO_COMPAT_H_
#include <sys/types.h>
#include "linux_compat.h"
/* Linux SDIO stack functions and definitions */
#define SDIO_CCCR_ABORT SD_IO_CCCR_CTL
#define SDIO_CCCR_IENx SD_IO_CCCR_INT_ENABLE
struct sdio_func {
struct cam_device *dev;
uint8_t num;
};
u8 sdio_readb(struct sdio_func *func, unsigned int addr, int *err_ret);
unsigned char sdio_f0_readb(struct sdio_func *func,
unsigned int addr, int *err_ret);
u16 sdio_readw(struct sdio_func *func, unsigned int addr, int *err_ret);
u32 sdio_readl(struct sdio_func *func, unsigned int addr, int *err_ret);
void sdio_writeb(struct sdio_func *func, u8 b,
unsigned int addr, int *err_ret);
void sdio_f0_writeb(struct sdio_func *func, unsigned char b,
unsigned int addr, int *err_ret);
void sdio_writew(struct sdio_func *func, u16 b,
unsigned int addr, int *err_ret);
void sdio_writel(struct sdio_func *func, u32 b,
unsigned int addr, int *err_ret);
#endif

759
usr.bin/sdiotool/sdiotool.c
View file

@ -23,6 +23,20 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* 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.
*
* $FreeBSD$
*/
@ -55,365 +69,14 @@ __FBSDID("$FreeBSD$");
#include <cam/mmc/mmc_all.h>
#include <camlib.h>
struct cis_info {
uint16_t man_id;
uint16_t prod_id;
uint16_t max_block_size;
};
#include "linux_compat.h"
#include "linux_sdio_compat.h"
#include "cam_sdio.h"
#include "brcmfmac_sdio.h"
#include "brcmfmac_bus.h"
static int sdio_rw_direct(struct cam_device *dev,
uint8_t func_number,
uint32_t addr,
uint8_t is_write,
uint8_t *data,
uint8_t *resp);
static uint8_t sdio_read_1(struct cam_device *dev, uint8_t func_number, uint32_t addr);
static void sdio_write_1(struct cam_device *dev, uint8_t func_number, uint32_t addr, uint8_t val);
static int sdio_is_func_ready(struct cam_device *dev, uint8_t func_number, uint8_t *is_enab);
static int sdio_is_func_enabled(struct cam_device *dev, uint8_t func_number, uint8_t *is_enab);
static int sdio_func_enable(struct cam_device *dev, uint8_t func_number, int enable);
static int sdio_is_func_intr_enabled(struct cam_device *dev, uint8_t func_number, uint8_t *is_enab);
static int sdio_func_intr_enable(struct cam_device *dev, uint8_t func_number, int enable);
static void sdio_card_reset(struct cam_device *dev);
static uint32_t sdio_get_common_cis_addr(struct cam_device *dev);
static void probe_bcrm(struct cam_device *dev);
/* Use CMD52 to read or write a single byte */
int
sdio_rw_direct(struct cam_device *dev,
uint8_t func_number,
uint32_t addr,
uint8_t is_write,
uint8_t *data, uint8_t *resp) {
union ccb *ccb;
uint32_t flags;
uint32_t arg;
int retval = 0;
ccb = cam_getccb(dev);
if (ccb == NULL) {
warnx("%s: error allocating CCB", __func__);
return (1);
}
bzero(&(&ccb->ccb_h)[1],
sizeof(union ccb) - sizeof(struct ccb_hdr));
flags = MMC_RSP_R5 | MMC_CMD_AC;
arg = SD_IO_RW_FUNC(func_number) | SD_IO_RW_ADR(addr);
if (is_write)
arg |= SD_IO_RW_WR | SD_IO_RW_RAW | SD_IO_RW_DAT(*data);
cam_fill_mmcio(&ccb->mmcio,
/*retries*/ 0,
/*cbfcnp*/ NULL,
/*flags*/ CAM_DIR_NONE,
/*mmc_opcode*/ SD_IO_RW_DIRECT,
/*mmc_arg*/ arg,
/*mmc_flags*/ flags,
/*mmc_data*/ 0,
/*timeout*/ 5000);
if (((retval = cam_send_ccb(dev, ccb)) < 0)
|| ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)) {
const char warnstr[] = "error sending command";
if (retval < 0)
warn(warnstr);
else
warnx(warnstr);
return (-1);
}
*resp = ccb->mmcio.cmd.resp[0] & 0xFF;
cam_freeccb(ccb);
return (retval);
}
#if 0
/*
* CMD53 -- IO_RW_EXTENDED
* Use to read or write memory blocks
*
* is_increment=1: FIFO mode
* blk_count > 0: block mode
*/
int
sdio_rw_extended(struct cam_device *dev,
uint8_t func_number,
uint32_t addr,
uint8_t is_write,
uint8_t *data, size_t datalen,
uint8_t is_increment,
uint16_t blk_count) {
union ccb *ccb;
uint32_t flags;
uint32_t arg;
int retval = 0;
if (blk_count != 0) {
warnx("%s: block mode is not supported yet", __func__);
return (1);
}
ccb = cam_getccb(dev);
if (ccb == NULL) {
warnx("%s: error allocating CCB", __func__);
return (1);
}
bzero(&(&ccb->ccb_h)[1],
sizeof(union ccb) - sizeof(struct ccb_hdr));
flags = MMC_RSP_R5 | MMC_CMD_AC;
arg = SD_IO_RW_FUNC(func_number) | SD_IO_RW_ADR(addr);
if (is_write)
arg |= SD_IO_RW_WR;
cam_fill_mmcio(&ccb->mmcio,
/*retries*/ 0,
/*cbfcnp*/ NULL,
/*flags*/ CAM_DIR_NONE,
/*mmc_opcode*/ SD_IO_RW_DIRECT,
/*mmc_arg*/ arg,
/*mmc_flags*/ flags,
/*mmc_data*/ 0,
/*timeout*/ 5000);
if (((retval = cam_send_ccb(dev, ccb)) < 0)
|| ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)) {
const char warnstr[] = "error sending command";
if (retval < 0)
warn(warnstr);
else
warnx(warnstr);
return (-1);
}
*resp = ccb->mmcio.cmd.resp[0] & 0xFF;
cam_freeccb(ccb);
return (retval);
}
#endif
static int
sdio_read_bool_for_func(struct cam_device *dev, uint32_t addr, uint8_t func_number, uint8_t *is_enab) {
uint8_t resp;
int ret;
ret = sdio_rw_direct(dev, 0, addr, 0, NULL, &resp);
if (ret < 0)
return ret;
*is_enab = (resp & (1 << func_number)) > 0 ? 1 : 0;
return (0);
}
static int
sdio_set_bool_for_func(struct cam_device *dev, uint32_t addr, uint8_t func_number, int enable) {
uint8_t resp;
int ret;
uint8_t is_enabled;
ret = sdio_rw_direct(dev, 0, addr, 0, NULL, &resp);
if (ret != 0)
return ret;
is_enabled = resp & (1 << func_number);
if ((is_enabled !=0 && enable == 1) || (is_enabled == 0 && enable == 0))
return 0;
if (enable)
resp |= 1 << func_number;
else
resp &= ~ (1 << func_number);
ret = sdio_rw_direct(dev, 0, addr, 1, &resp, &resp);
return ret;
}
static uint8_t
sdio_read_1(struct cam_device *dev, uint8_t func_number, uint32_t addr) {
uint8_t val;
sdio_rw_direct(dev, func_number, addr, 0, NULL, &val);
return val;
}
__unused static void
sdio_write_1(struct cam_device *dev, uint8_t func_number, uint32_t addr, uint8_t val) {
uint8_t _val;
sdio_rw_direct(dev, func_number, addr, 0, &val, &_val);
}
static int
sdio_is_func_ready(struct cam_device *dev, uint8_t func_number, uint8_t *is_enab) {
return sdio_read_bool_for_func(dev, SD_IO_CCCR_FN_READY, func_number, is_enab);
}
static int
sdio_is_func_enabled(struct cam_device *dev, uint8_t func_number, uint8_t *is_enab) {
return sdio_read_bool_for_func(dev, SD_IO_CCCR_FN_ENABLE, func_number, is_enab);
}
static int
sdio_func_enable(struct cam_device *dev, uint8_t func_number, int enable) {
return sdio_set_bool_for_func(dev, SD_IO_CCCR_FN_ENABLE, func_number, enable);
}
static int
sdio_is_func_intr_enabled(struct cam_device *dev, uint8_t func_number, uint8_t *is_enab) {
return sdio_read_bool_for_func(dev, SD_IO_CCCR_INT_ENABLE, func_number, is_enab);
}
static int
sdio_func_intr_enable(struct cam_device *dev, uint8_t func_number, int enable) {
return sdio_set_bool_for_func(dev, SD_IO_CCCR_INT_ENABLE, func_number, enable);
}
static int
sdio_card_set_bus_width(struct cam_device *dev, enum mmc_bus_width bw) {
int ret;
uint8_t ctl_val;
ret = sdio_rw_direct(dev, 0, SD_IO_CCCR_BUS_WIDTH, 0, NULL, &ctl_val);
if (ret < 0) {
warn("Error getting CCCR_BUS_WIDTH value");
return ret;
}
ctl_val &= ~0x3;
switch (bw) {
case bus_width_1:
/* Already set to 1-bit */
break;
case bus_width_4:
ctl_val |= CCCR_BUS_WIDTH_4;
break;
case bus_width_8:
warn("Cannot do 8-bit on SDIO yet");
return -1;
break;
}
ret = sdio_rw_direct(dev, 0, SD_IO_CCCR_BUS_WIDTH, 1, &ctl_val, &ctl_val);
if (ret < 0) {
warn("Error setting CCCR_BUS_WIDTH value");
return ret;
}
return ret;
}
static int
sdio_func_read_cis(struct cam_device *dev, uint8_t func_number,
uint32_t cis_addr, struct cis_info *info) {
uint8_t tuple_id, tuple_len, tuple_count;
uint32_t addr;
char *cis1_info[4];
int start, i, ch, count;
char cis1_info_buf[256];
tuple_count = 0; /* Use to prevent infinite loop in case of parse errors */
memset(cis1_info_buf, 0, 256);
do {
addr = cis_addr;
tuple_id = sdio_read_1(dev, 0, addr++);
if (tuple_id == SD_IO_CISTPL_END)
break;
if (tuple_id == 0) {
cis_addr++;
continue;
}
tuple_len = sdio_read_1(dev, 0, addr++);
if (tuple_len == 0 && tuple_id != 0x00) {
warn("Parse error: 0-length tuple %02X\n", tuple_id);
return -1;
}
switch (tuple_id) {
case SD_IO_CISTPL_VERS_1:
addr += 2;
for (count = 0, start = 0, i = 0;
(count < 4) && ((i + 4) < 256); i++) {
ch = sdio_read_1(dev, 0, addr + i);
printf("count=%d, start=%d, i=%d, Got %c (0x%02x)\n", count, start, i, ch, ch);
if (ch == 0xff)
break;
cis1_info_buf[i] = ch;
if (ch == 0) {
cis1_info[count] =
cis1_info_buf + start;
start = i + 1;
count++;
}
}
printf("Card info:");
for (i=0; i<4; i++)
if (cis1_info[i])
printf(" %s", cis1_info[i]);
printf("\n");
break;
case SD_IO_CISTPL_MANFID:
info->man_id = sdio_read_1(dev, 0, addr++);
info->man_id |= sdio_read_1(dev, 0, addr++) << 8;
info->prod_id = sdio_read_1(dev, 0, addr++);
info->prod_id |= sdio_read_1(dev, 0, addr++) << 8;
break;
case SD_IO_CISTPL_FUNCID:
/* not sure if we need to parse it? */
break;
case SD_IO_CISTPL_FUNCE:
if (tuple_len < 4) {
printf("FUNCE is too short: %d\n", tuple_len);
break;
}
if (func_number == 0) {
/* skip extended_data */
addr++;
info->max_block_size = sdio_read_1(dev, 0, addr++);
info->max_block_size |= sdio_read_1(dev, 0, addr++) << 8;
} else {
info->max_block_size = sdio_read_1(dev, 0, addr + 0xC);
info->max_block_size |= sdio_read_1(dev, 0, addr + 0xD) << 8;
}
break;
default:
printf("Skipping tuple ID %02X len %02X\n", tuple_id, tuple_len);
}
cis_addr += tuple_len + 2;
tuple_count++;
} while (tuple_count < 20);
return 0;
}
static uint32_t
sdio_get_common_cis_addr(struct cam_device *dev) {
uint32_t addr;
addr = sdio_read_1(dev, 0, SD_IO_CCCR_CISPTR);
addr |= sdio_read_1(dev, 0, SD_IO_CCCR_CISPTR + 1) << 8;
addr |= sdio_read_1(dev, 0, SD_IO_CCCR_CISPTR + 2) << 16;
if (addr < SD_IO_CIS_START || addr > SD_IO_CIS_START + SD_IO_CIS_SIZE) {
warn("Bad CIS address: %04X\n", addr);
addr = 0;
}
return addr;
}
static void sdio_card_reset(struct cam_device *dev) {
int ret;
uint8_t ctl_val;
ret = sdio_rw_direct(dev, 0, SD_IO_CCCR_CTL, 0, NULL, &ctl_val);
if (ret < 0)
errx(1, "Error getting CCCR_CTL value");
ctl_val |= CCCR_CTL_RES;
ret = sdio_rw_direct(dev, 0, SD_IO_CCCR_CTL, 1, &ctl_val, &ctl_val);
if (ret < 0)
errx(1, "Error setting CCCR_CTL value");
}
/*
* How Linux driver works
*
@ -494,6 +157,258 @@ static void sdio_card_reset(struct cam_device *dev) {
*
*
*/
/* BRCM-specific functions */
#define SDIOH_API_ACCESS_RETRY_LIMIT 2
#define SI_ENUM_BASE 0x18000000
#define REPLY_MAGIC 0x16044330
#define brcmf_err(fmt, ...) brcmf_dbg(0, fmt, ##__VA_ARGS__)
#define brcmf_dbg(level, fmt, ...) printf(fmt, ##__VA_ARGS__)
struct brcmf_sdio_dev {
struct cam_device *cam_dev;
u32 sbwad; /* Save backplane window address */
struct brcmf_bus *bus_if;
enum brcmf_sdiod_state state;
struct sdio_func *func[8];
};
void brcmf_bus_change_state(struct brcmf_bus *bus, enum brcmf_bus_state state);
void brcmf_sdiod_change_state(struct brcmf_sdio_dev *sdiodev,
enum brcmf_sdiod_state state);
static int brcmf_sdiod_request_data(struct brcmf_sdio_dev *sdiodev, u8 fn, u32 addr,
u8 regsz, void *data, bool write);
static int brcmf_sdiod_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address);
static int brcmf_sdiod_addrprep(struct brcmf_sdio_dev *sdiodev, uint width, u32 *addr);
u32 brcmf_sdiod_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret);
static void bailout(int ret);
static void
bailout(int ret) {
if (ret == 0)
return;
errx(1, "Operation returned error %d", ret);
}
void
brcmf_bus_change_state(struct brcmf_bus *bus, enum brcmf_bus_state state)
{
bus->state = state;
}
void brcmf_sdiod_change_state(struct brcmf_sdio_dev *sdiodev,
enum brcmf_sdiod_state state)
{
if (sdiodev->state == BRCMF_SDIOD_NOMEDIUM ||
state == sdiodev->state)
return;
//brcmf_dbg(TRACE, "%d -> %d\n", sdiodev->state, state);
switch (sdiodev->state) {
case BRCMF_SDIOD_DATA:
/* any other state means bus interface is down */
brcmf_bus_change_state(sdiodev->bus_if, BRCMF_BUS_DOWN);
break;
case BRCMF_SDIOD_DOWN:
/* transition from DOWN to DATA means bus interface is up */
if (state == BRCMF_SDIOD_DATA)
brcmf_bus_change_state(sdiodev->bus_if, BRCMF_BUS_UP);
break;
default:
break;
}
sdiodev->state = state;
}
static inline int brcmf_sdiod_f0_writeb(struct sdio_func *func,
uint regaddr, u8 byte) {
int err_ret;
/*
* Can only directly write to some F0 registers.
* Handle CCCR_IENx and CCCR_ABORT command
* as a special case.
*/
if ((regaddr == SDIO_CCCR_ABORT) ||
(regaddr == SDIO_CCCR_IENx))
sdio_writeb(func, byte, regaddr, &err_ret);
else
sdio_f0_writeb(func, byte, regaddr, &err_ret);
return err_ret;
}
static int brcmf_sdiod_request_data(struct brcmf_sdio_dev *sdiodev, u8 fn, u32 addr, u8 regsz, void *data, bool write)
{
struct sdio_func *func;
int ret = -EINVAL;
brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n",
write, fn, addr, regsz);
/* only allow byte access on F0 */
if (WARN_ON(regsz > 1 && !fn))
return -EINVAL;
func = sdiodev->func[fn];
switch (regsz) {
case sizeof(u8):
if (write) {
if (fn)
sdio_writeb(func, *(u8 *)data, addr, &ret);
else
ret = brcmf_sdiod_f0_writeb(func, addr,
*(u8 *)data);
} else {
if (fn)
*(u8 *)data = sdio_readb(func, addr, &ret);
else
*(u8 *)data = sdio_f0_readb(func, addr, &ret);
}
break;
case sizeof(u16):
if (write)
sdio_writew(func, *(u16 *)data, addr, &ret);
else
*(u16 *)data = sdio_readw(func, addr, &ret);
break;
case sizeof(u32):
if (write)
sdio_writel(func, *(u32 *)data, addr, &ret);
else
*(u32 *)data = sdio_readl(func, addr, &ret);
break;
default:
brcmf_err("invalid size: %d\n", regsz);
break;
}
if (ret)
brcmf_dbg(SDIO, "failed to %s data F%d@0x%05x, err: %d\n",
write ? "write" : "read", fn, addr, ret);
return ret;
}
static int
brcmf_sdiod_addrprep(struct brcmf_sdio_dev *sdiodev, uint width, u32 *addr)
{
uint bar0 = *addr & ~SBSDIO_SB_OFT_ADDR_MASK;
int err = 0;
if (bar0 != sdiodev->sbwad) {
err = brcmf_sdiod_set_sbaddr_window(sdiodev, bar0);
if (err)
return err;
sdiodev->sbwad = bar0;
}
*addr &= SBSDIO_SB_OFT_ADDR_MASK;
if (width == 4)
*addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
return 0;
}
static int brcmf_sdiod_regrw_helper(struct brcmf_sdio_dev *sdiodev, u32 addr, u8 regsz, void *data, bool write) {
u8 func;
s32 retry = 0;
int ret;
if (sdiodev->state == BRCMF_SDIOD_NOMEDIUM)
return -ENOMEDIUM;
/*
* figure out how to read the register based on address range
* 0x00 ~ 0x7FF: function 0 CCCR and FBR
* 0x10000 ~ 0x1FFFF: function 1 miscellaneous registers
* The rest: function 1 silicon backplane core registers
*/
if ((addr & ~REG_F0_REG_MASK) == 0)
func = SDIO_FUNC_0;
else
func = SDIO_FUNC_1;
do {
if (!write)
memset(data, 0, regsz);
/* for retry wait for 1 ms till bus get settled down */
if (retry)
usleep_range(1000, 2000);
ret = brcmf_sdiod_request_data(sdiodev, func, addr, regsz,
data, write);
} while (ret != 0 && ret != -ENOMEDIUM &&
retry++ < SDIOH_API_ACCESS_RETRY_LIMIT);
if (ret == -ENOMEDIUM)
brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM);
else if (ret != 0) {
/*
* SleepCSR register access can fail when
* waking up the device so reduce this noise
* in the logs.
*/
if (addr != SBSDIO_FUNC1_SLEEPCSR)
brcmf_err("failed to %s data F%d@0x%05x, err: %d\n",
write ? "write" : "read", func, addr, ret);
else
brcmf_dbg(SDIO, "failed to %s data F%d@0x%05x, err: %d\n",
write ? "write" : "read", func, addr, ret);
}
return ret;
}
static int
brcmf_sdiod_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address)
{
int err = 0, i;
u8 addr[3];
if (sdiodev->state == BRCMF_SDIOD_NOMEDIUM)
return -ENOMEDIUM;
addr[0] = (address >> 8) & SBSDIO_SBADDRLOW_MASK;
addr[1] = (address >> 16) & SBSDIO_SBADDRMID_MASK;
addr[2] = (address >> 24) & SBSDIO_SBADDRHIGH_MASK;
for (i = 0; i < 3; i++) {
err = brcmf_sdiod_regrw_helper(sdiodev,
SBSDIO_FUNC1_SBADDRLOW + i,
sizeof(u8), &addr[i], true);
if (err) {
brcmf_err("failed at addr: 0x%0x\n",
SBSDIO_FUNC1_SBADDRLOW + i);
break;
}
}
return err;
}
u32 brcmf_sdiod_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret)
{
u32 data = 0;
int retval;
brcmf_dbg(SDIO, "addr:0x%08x\n", addr);
retval = brcmf_sdiod_addrprep(sdiodev, sizeof(data), &addr);
if (retval)
goto done;
retval = brcmf_sdiod_regrw_helper(sdiodev, addr, sizeof(data), &data,
false);
brcmf_dbg(SDIO, "data:0x%08x\n", data);
done:
if (ret)
*ret = retval;
return data;
}
/********************************************************/
__unused
static void
probe_bcrm(struct cam_device *dev) {
@ -508,8 +423,8 @@ probe_bcrm(struct cam_device *dev) {
sdio_func_read_cis(dev, 0, cis_addr, &info);
printf("Vendor 0x%04X product 0x%04X\n", info.man_id, info.prod_id);
}
__unused
static uint8_t *
__unused static uint8_t*
mmap_fw() {
const char fw_path[] = "/home/kibab/repos/fbsd-bbb/brcm-firmware/brcmfmac4330-sdio.bin";
struct stat sb;
@ -533,69 +448,65 @@ usage() {
exit(0);
}
struct card_info {
uint8_t num_funcs;
struct cis_info f[8];
};
/*
* TODO: We should add SDIO card info about at least number of
* available functions to struct cam_device and use it instead
* of checking for man_id = 0x00 for detecting number of functions
*/
static void
get_sdio_card_info(struct cam_device *dev) {
get_sdio_card_info(struct cam_device *dev, struct card_info *ci) {
uint32_t cis_addr;
uint32_t fbr_addr;
struct cis_info info;
int ret;
cis_addr = sdio_get_common_cis_addr(dev);
memset(&info, 0, sizeof(info));
sdio_func_read_cis(dev, 0, cis_addr, &info);
memset(ci, 0, sizeof(struct card_info));
sdio_func_read_cis(dev, 0, cis_addr, &ci->f[0]);
printf("F0: Vendor 0x%04X product 0x%04X max block size %d bytes\n",
info.man_id, info.prod_id, info.max_block_size);
for (int i = 1; i <= 2; i++) {
ci->f[0].man_id, ci->f[0].prod_id, ci->f[0].max_block_size);
for (int i = 1; i <= 7; i++) {
fbr_addr = SD_IO_FBR_START * i + 0x9;
cis_addr = sdio_read_1(dev, 0, fbr_addr++);
cis_addr |= sdio_read_1(dev, 0, fbr_addr++) << 8;
cis_addr |= sdio_read_1(dev, 0, fbr_addr++) << 16;
memset(&info, 0, sizeof(info));
sdio_func_read_cis(dev, i, cis_addr, &info);
cis_addr = sdio_read_1(dev, 0, fbr_addr++, &ret);bailout(ret);
cis_addr |= sdio_read_1(dev, 0, fbr_addr++, &ret) << 8;
cis_addr |= sdio_read_1(dev, 0, fbr_addr++, &ret) << 16;
sdio_func_read_cis(dev, i, cis_addr, &ci->f[i]);
printf("F%d: Vendor 0x%04X product 0x%04X max block size %d bytes\n",
i, info.man_id, info.prod_id, info.max_block_size);
i, ci->f[i].man_id, ci->f[i].prod_id, ci->f[i].max_block_size);
if (ci->f[i].man_id == 0) {
printf("F%d doesn't exist\n", i);
break;
}
ci->num_funcs++;
}
}
/* Test interrupt delivery when select() */
__unused static int
sdio_signal_intr(struct cam_device *dev) {
uint8_t resp;
int ret;
ret = sdio_rw_direct(dev, 0, 0x666, 0, NULL, &resp);
if (ret < 0)
return ret;
return (0);
}
static void
do_intr_test(__unused struct cam_device *dev) {
}
int
main(int argc, char **argv) {
char device[] = "pass";
int unit = 0;
int func = 0;
uint8_t resp;
uint8_t is_enab;
__unused uint8_t *fw_ptr;
int ch;
struct cam_device *cam_dev;
int is_intr_test = 0;
int ret;
struct card_info ci;
//fw_ptr = mmap_fw();
while ((ch = getopt(argc, argv, "Iu:")) != -1) {
while ((ch = getopt(argc, argv, "fu:")) != -1) {
switch (ch) {
case 'u':
unit = (int) strtol(optarg, NULL, 10);
break;
case 'f':
func = (int) strtol(optarg, NULL, 10);
case 'I':
is_intr_test = 1;
break;
case '?':
default:
usage();
@ -607,43 +518,39 @@ main(int argc, char **argv) {
if ((cam_dev = cam_open_spec_device(device, unit, O_RDWR, NULL)) == NULL)
errx(1, "Cannot open device");
get_sdio_card_info(cam_dev);
if (is_intr_test > 0)
do_intr_test(cam_dev);
exit(0);
sdio_card_reset(cam_dev);
get_sdio_card_info(cam_dev, &ci);
/* Read Addr 7 of func 0 */
int ret = sdio_rw_direct(cam_dev, 0, 7, 0, NULL, &resp);
if (ret < 0)
errx(1, "Error sending CAM command");
printf("Result: %02x\n", resp);
/* For now, everything non-broadcom is out of the question */
if (ci.f[0].man_id != 0x02D0) {
printf("The card is not a Broadcom device\n");
exit(1);
}
/* Init structures */
struct brcmf_sdio_dev brcmf_dev;
struct brcmf_bus bus_if;
struct sdio_func f0, f1, f2;
bus_if.state = BRCMF_BUS_DOWN;
brcmf_dev.cam_dev = cam_dev;
brcmf_dev.bus_if = &bus_if;
brcmf_dev.state = BRCMF_SDIOD_DOWN;
/* Check if func 1 is enabled */
ret = sdio_is_func_enabled(cam_dev, 1, &is_enab);
if (ret < 0)
errx(1, "Cannot check if func is enabled");
printf("F1 enabled: %d\n", is_enab);
ret = sdio_func_enable(cam_dev, 1, 1 - is_enab);
if (ret < 0)
errx(1, "Cannot enable/disable func");
printf("F1 en/dis result: %d\n", ret);
/* Fill in functions */
brcmf_dev.func[0] = &f0;
brcmf_dev.func[1] = &f1;
brcmf_dev.func[2] = &f2;
/* Check if func 1 is ready */
ret = sdio_is_func_ready(cam_dev, 1, &is_enab);
if (ret < 0)
errx(1, "Cannot check if func is ready");
printf("F1 ready: %d\n", is_enab);
/* Check if interrupts are enabled */
ret = sdio_is_func_intr_enabled(cam_dev, 1, &is_enab);
if (ret < 0)
errx(1, "Cannot check if func intr is enabled");
printf("F1 intr enabled: %d\n", is_enab);
ret = sdio_func_intr_enable(cam_dev, 1, 1 - is_enab);
if (ret < 0)
errx(1, "Cannot enable/disable func intr");
printf("F1 intr en/dis result: %d\n", ret);
brcmf_dev.func[0]->dev = brcmf_dev.func[1]->dev
= brcmf_dev.func[2]->dev = cam_dev;
brcmf_dev.func[0]->num = 0;
brcmf_dev.func[1]->num = 1;
brcmf_dev.func[2]->num = 2;
ret = sdio_func_enable(cam_dev, 1, 1);bailout(ret);
uint32_t magic = brcmf_sdiod_regrl(&brcmf_dev, 0x18000000, &ret);
printf("Magic = %08x\n", magic);
if (magic != REPLY_MAGIC) {
errx(1, "Reply magic is incorrect: expected %08x, got %08x",
REPLY_MAGIC, magic);
}
cam_close_spec_device(cam_dev);
}