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path: root/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c445
1 files changed, 313 insertions, 132 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 0cd5b8d970d7..8cf9d7e7c3f7 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: ISC
/*
* 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/types.h>
@@ -27,13 +16,14 @@
#include <linux/mmc/sdio_ids.h>
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/card.h>
+#include <linux/mmc/core.h>
#include <linux/semaphore.h>
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/bcma/bcma.h>
#include <linux/debugfs.h>
#include <linux/vmalloc.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <defs.h>
#include <brcmu_wifi.h>
#include <brcmu_utils.h>
@@ -52,7 +42,22 @@
/* watermark expressed in number of words */
#define DEFAULT_F2_WATERMARK 0x8
#define CY_4373_F2_WATERMARK 0x40
+#define CY_4373_F1_MESBUSYCTRL (CY_4373_F2_WATERMARK | SBSDIO_MESBUSYCTRL_ENAB)
#define CY_43012_F2_WATERMARK 0x60
+#define CY_43012_MES_WATERMARK 0x50
+#define CY_43012_MESBUSYCTRL (CY_43012_MES_WATERMARK | \
+ SBSDIO_MESBUSYCTRL_ENAB)
+#define CY_4339_F2_WATERMARK 48
+#define CY_4339_MES_WATERMARK 80
+#define CY_4339_MESBUSYCTRL (CY_4339_MES_WATERMARK | \
+ SBSDIO_MESBUSYCTRL_ENAB)
+#define CY_43455_F2_WATERMARK 0x60
+#define CY_43455_MES_WATERMARK 0x50
+#define CY_43455_MESBUSYCTRL (CY_43455_MES_WATERMARK | \
+ SBSDIO_MESBUSYCTRL_ENAB)
+#define CY_435X_F2_WATERMARK 0x40
+#define CY_435X_F1_MESBUSYCTRL (CY_435X_F2_WATERMARK | \
+ SBSDIO_MESBUSYCTRL_ENAB)
#ifdef DEBUG
@@ -130,8 +135,6 @@ struct rte_console {
#define BRCMF_FIRSTREAD (1 << 6)
-#define BRCMF_CONSOLE 10 /* watchdog interval to poll console */
-
/* SBSDIO_DEVICE_CTL */
/* 1: device will assert busy signal when receiving CMD53 */
@@ -324,15 +327,6 @@ struct rte_console {
#define MAX_KSO_ATTEMPTS (PMU_MAX_TRANSITION_DLY/KSO_WAIT_US)
#define BRCMF_SDIO_MAX_ACCESS_ERRORS 5
-/*
- * Conversion of 802.1D priority to precedence level
- */
-static uint prio2prec(u32 prio)
-{
- return (prio == PRIO_8021D_NONE || prio == PRIO_8021D_BE) ?
- (prio^2) : prio;
-}
-
#ifdef DEBUG
/* Device console log buffer state */
struct brcmf_console {
@@ -561,7 +555,7 @@ enum brcmf_sdio_frmtype {
BRCMF_SDIO_FT_SUB,
};
-#define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu))
+#define SDIOD_DRVSTR_KEY(chip, pmu) (((unsigned int)(chip) << 16) | (pmu))
/* SDIO Pad drive strength to select value mappings */
struct sdiod_drive_str {
@@ -620,12 +614,23 @@ BRCMF_FW_DEF(43362, "brcmfmac43362-sdio");
BRCMF_FW_DEF(4339, "brcmfmac4339-sdio");
BRCMF_FW_DEF(43430A0, "brcmfmac43430a0-sdio");
/* Note the names are not postfixed with a1 for backward compatibility */
-BRCMF_FW_DEF(43430A1, "brcmfmac43430-sdio");
-BRCMF_FW_DEF(43455, "brcmfmac43455-sdio");
-BRCMF_FW_DEF(4354, "brcmfmac4354-sdio");
-BRCMF_FW_DEF(4356, "brcmfmac4356-sdio");
-BRCMF_FW_DEF(4373, "brcmfmac4373-sdio");
-BRCMF_FW_DEF(43012, "brcmfmac43012-sdio");
+BRCMF_FW_CLM_DEF(43430A1, "brcmfmac43430-sdio");
+BRCMF_FW_DEF(43430B0, "brcmfmac43430b0-sdio");
+BRCMF_FW_CLM_DEF(43439, "brcmfmac43439-sdio");
+BRCMF_FW_CLM_DEF(43455, "brcmfmac43455-sdio");
+BRCMF_FW_DEF(43456, "brcmfmac43456-sdio");
+BRCMF_FW_CLM_DEF(4354, "brcmfmac4354-sdio");
+BRCMF_FW_CLM_DEF(4356, "brcmfmac4356-sdio");
+BRCMF_FW_DEF(4359, "brcmfmac4359-sdio");
+BRCMF_FW_CLM_DEF(4373, "brcmfmac4373-sdio");
+BRCMF_FW_CLM_DEF(43012, "brcmfmac43012-sdio");
+BRCMF_FW_CLM_DEF(43752, "brcmfmac43752-sdio");
+
+/* firmware config files */
+MODULE_FIRMWARE(BRCMF_FW_DEFAULT_PATH "brcmfmac*-sdio.*.txt");
+
+/* per-board firmware binaries */
+MODULE_FIRMWARE(BRCMF_FW_DEFAULT_PATH "brcmfmac*-sdio.*.bin");
static const struct brcmf_firmware_mapping brcmf_sdio_fwnames[] = {
BRCMF_FW_ENTRY(BRCM_CC_43143_CHIP_ID, 0xFFFFFFFF, 43143),
@@ -641,14 +646,23 @@ static const struct brcmf_firmware_mapping brcmf_sdio_fwnames[] = {
BRCMF_FW_ENTRY(BRCM_CC_43362_CHIP_ID, 0xFFFFFFFE, 43362),
BRCMF_FW_ENTRY(BRCM_CC_4339_CHIP_ID, 0xFFFFFFFF, 4339),
BRCMF_FW_ENTRY(BRCM_CC_43430_CHIP_ID, 0x00000001, 43430A0),
- BRCMF_FW_ENTRY(BRCM_CC_43430_CHIP_ID, 0xFFFFFFFE, 43430A1),
- BRCMF_FW_ENTRY(BRCM_CC_4345_CHIP_ID, 0xFFFFFFC0, 43455),
+ BRCMF_FW_ENTRY(BRCM_CC_43430_CHIP_ID, 0x00000002, 43430A1),
+ BRCMF_FW_ENTRY(BRCM_CC_43430_CHIP_ID, 0xFFFFFFFC, 43430B0),
+ BRCMF_FW_ENTRY(BRCM_CC_4345_CHIP_ID, 0x00000200, 43456),
+ BRCMF_FW_ENTRY(BRCM_CC_4345_CHIP_ID, 0xFFFFFDC0, 43455),
+ BRCMF_FW_ENTRY(BRCM_CC_43454_CHIP_ID, 0x00000040, 43455),
BRCMF_FW_ENTRY(BRCM_CC_4354_CHIP_ID, 0xFFFFFFFF, 4354),
BRCMF_FW_ENTRY(BRCM_CC_4356_CHIP_ID, 0xFFFFFFFF, 4356),
+ BRCMF_FW_ENTRY(BRCM_CC_4359_CHIP_ID, 0xFFFFFFFF, 4359),
+ BRCMF_FW_ENTRY(BRCM_CC_43751_CHIP_ID, 0xFFFFFFFF, 43752),
+ BRCMF_FW_ENTRY(BRCM_CC_43752_CHIP_ID, 0xFFFFFFFF, 43752),
BRCMF_FW_ENTRY(CY_CC_4373_CHIP_ID, 0xFFFFFFFF, 4373),
- BRCMF_FW_ENTRY(CY_CC_43012_CHIP_ID, 0xFFFFFFFF, 43012)
+ BRCMF_FW_ENTRY(CY_CC_43012_CHIP_ID, 0xFFFFFFFF, 43012),
+ BRCMF_FW_ENTRY(CY_CC_43439_CHIP_ID, 0xFFFFFFFF, 43439),
};
+#define TXCTL_CREDITS 2
+
static void pkt_align(struct sk_buff *p, int len, int align)
{
uint datalign;
@@ -662,8 +676,22 @@ static void pkt_align(struct sk_buff *p, int len, int align)
/* To check if there's window offered */
static bool data_ok(struct brcmf_sdio *bus)
{
- return (u8)(bus->tx_max - bus->tx_seq) != 0 &&
- ((u8)(bus->tx_max - bus->tx_seq) & 0x80) == 0;
+ u8 tx_rsv = 0;
+
+ /* Reserve TXCTL_CREDITS credits for txctl when it is ready to send */
+ if (bus->ctrl_frame_stat)
+ tx_rsv = TXCTL_CREDITS;
+
+ return (bus->tx_max - bus->tx_seq - tx_rsv) != 0 &&
+ ((bus->tx_max - bus->tx_seq - tx_rsv) & 0x80) == 0;
+
+}
+
+/* To check if there's window offered */
+static bool txctl_ok(struct brcmf_sdio *bus)
+{
+ return (bus->tx_max - bus->tx_seq) != 0 &&
+ ((bus->tx_max - bus->tx_seq) & 0x80) == 0;
}
static int
@@ -676,6 +704,12 @@ brcmf_sdio_kso_control(struct brcmf_sdio *bus, bool on)
brcmf_dbg(TRACE, "Enter: on=%d\n", on);
+ sdio_retune_crc_disable(bus->sdiodev->func1);
+
+ /* Cannot re-tune if device is asleep; defer till we're awake */
+ if (on)
+ sdio_retune_hold_now(bus->sdiodev->func1);
+
wr_val = (on << SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT);
/* 1st KSO write goes to AOS wake up core if device is asleep */
brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, wr_val, &err);
@@ -736,6 +770,11 @@ brcmf_sdio_kso_control(struct brcmf_sdio *bus, bool on)
if (try_cnt > MAX_KSO_ATTEMPTS)
brcmf_err("max tries: rd_val=0x%x err=%d\n", rd_val, err);
+ if (on)
+ sdio_retune_release(bus->sdiodev->func1);
+
+ sdio_retune_crc_enable(bus->sdiodev->func1);
+
return err;
}
@@ -1090,8 +1129,8 @@ static u32 brcmf_sdio_hostmail(struct brcmf_sdio *bus)
/* dongle indicates the firmware has halted/crashed */
if (hmb_data & HMB_DATA_FWHALT) {
- brcmf_err("mailbox indicates firmware halted\n");
- brcmf_dev_coredump(&sdiod->func1->dev);
+ brcmf_dbg(SDIO, "mailbox indicates firmware halted\n");
+ brcmf_fw_crashed(&sdiod->func1->dev);
}
/* Dongle recomposed rx frames, accept them again */
@@ -1260,7 +1299,7 @@ static void brcmf_sdio_free_glom(struct brcmf_sdio *bus)
}
}
-/**
+/*
* brcmfmac sdio bus specific header
* This is the lowest layer header wrapped on the packets transmitted between
* host and WiFi dongle which contains information needed for SDIO core and
@@ -1313,7 +1352,7 @@ static void brcmf_sdio_free_glom(struct brcmf_sdio *bus)
static inline u8 brcmf_sdio_getdatoffset(u8 *swheader)
{
u32 hdrvalue;
- hdrvalue = *(u32 *)swheader;
+ hdrvalue = le32_to_cpu(*(__le32 *)swheader);
return (u8)((hdrvalue & SDPCM_DOFFSET_MASK) >> SDPCM_DOFFSET_SHIFT);
}
@@ -1322,7 +1361,7 @@ static inline bool brcmf_sdio_fromevntchan(u8 *swheader)
u32 hdrvalue;
u8 ret;
- hdrvalue = *(u32 *)swheader;
+ hdrvalue = le32_to_cpu(*(__le32 *)swheader);
ret = (u8)((hdrvalue & SDPCM_CHANNEL_MASK) >> SDPCM_CHANNEL_SHIFT);
return (ret == SDPCM_EVENT_CHANNEL);
@@ -1579,7 +1618,7 @@ static u8 brcmf_sdio_rxglom(struct brcmf_sdio *bus, u8 rxseq)
/* Do an SDIO read for the superframe. Configurable iovar to
* read directly into the chained packet, or allocate a large
- * packet and and copy into the chain.
+ * packet and copy into the chain.
*/
sdio_claim_host(bus->sdiodev->func1);
errcode = brcmf_sdiod_recv_chain(bus->sdiodev,
@@ -1677,7 +1716,7 @@ static u8 brcmf_sdio_rxglom(struct brcmf_sdio *bus, u8 rxseq)
brcmf_rx_event(bus->sdiodev->dev, pfirst);
else
brcmf_rx_frame(bus->sdiodev->dev, pfirst,
- false);
+ false, false);
bus->sdcnt.rxglompkts++;
}
@@ -1846,7 +1885,7 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes)
}
rd->len_left = rd->len;
- /* read header first for unknow frame length */
+ /* read header first for unknown frame length */
sdio_claim_host(bus->sdiodev->func1);
if (!rd->len) {
ret = brcmf_sdiod_recv_buf(bus->sdiodev,
@@ -1932,7 +1971,10 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes)
if (brcmf_sdio_hdparse(bus, bus->rxhdr, &rd_new,
BRCMF_SDIO_FT_NORMAL)) {
rd->len = 0;
+ brcmf_sdio_rxfail(bus, true, true);
+ sdio_release_host(bus->sdiodev->func1);
brcmu_pkt_buf_free_skb(pkt);
+ continue;
}
bus->sdcnt.rx_readahead_cnt++;
if (rd->len != roundup(rd_new.len, 16)) {
@@ -2008,7 +2050,7 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes)
brcmf_rx_event(bus->sdiodev->dev, pkt);
else
brcmf_rx_frame(bus->sdiodev->dev, pkt,
- false);
+ false, false);
/* prepare the descriptor for the next read */
rd->len = rd->len_nxtfrm << 4;
@@ -2655,7 +2697,7 @@ static void brcmf_sdio_dpc(struct brcmf_sdio *bus)
brcmf_sdio_clrintr(bus);
if (bus->ctrl_frame_stat && (bus->clkstate == CLK_AVAIL) &&
- data_ok(bus)) {
+ txctl_ok(bus)) {
sdio_claim_host(bus->sdiodev->func1);
if (bus->ctrl_frame_stat) {
err = brcmf_sdio_tx_ctrlframe(bus, bus->ctrl_frame_buf,
@@ -2663,6 +2705,9 @@ static void brcmf_sdio_dpc(struct brcmf_sdio *bus)
bus->ctrl_frame_err = err;
wmb();
bus->ctrl_frame_stat = false;
+ if (err)
+ brcmf_err("sdio ctrlframe tx failed err=%d\n",
+ err);
}
sdio_release_host(bus->sdiodev->func1);
brcmf_sdio_wait_event_wakeup(bus);
@@ -2765,7 +2810,13 @@ static int brcmf_sdio_bus_txdata(struct device *dev, struct sk_buff *pkt)
skb_push(pkt, bus->tx_hdrlen);
/* precondition: IS_ALIGNED((unsigned long)(pkt->data), 2) */
- prec = prio2prec((pkt->priority & PRIOMASK));
+ /* In WLAN, priority is always set by the AP using WMM parameters
+ * and this need not always follow the standard 802.1d priority.
+ * Based on AP WMM config, map from 802.1d priority to corresponding
+ * precedence level.
+ */
+ prec = brcmf_map_prio_to_prec(bus_if->drvr->config,
+ (pkt->priority & PRIOMASK));
/* Check for existing queue, current flow-control,
pending event, or pending clock */
@@ -2999,21 +3050,35 @@ static int brcmf_sdio_trap_info(struct seq_file *seq, struct brcmf_sdio *bus,
if (error < 0)
return error;
- seq_printf(seq,
- "dongle trap info: type 0x%x @ epc 0x%08x\n"
- " cpsr 0x%08x spsr 0x%08x sp 0x%08x\n"
- " lr 0x%08x pc 0x%08x offset 0x%x\n"
- " r0 0x%08x r1 0x%08x r2 0x%08x r3 0x%08x\n"
- " r4 0x%08x r5 0x%08x r6 0x%08x r7 0x%08x\n",
- le32_to_cpu(tr.type), le32_to_cpu(tr.epc),
- le32_to_cpu(tr.cpsr), le32_to_cpu(tr.spsr),
- le32_to_cpu(tr.r13), le32_to_cpu(tr.r14),
- le32_to_cpu(tr.pc), sh->trap_addr,
- le32_to_cpu(tr.r0), le32_to_cpu(tr.r1),
- le32_to_cpu(tr.r2), le32_to_cpu(tr.r3),
- le32_to_cpu(tr.r4), le32_to_cpu(tr.r5),
- le32_to_cpu(tr.r6), le32_to_cpu(tr.r7));
-
+ if (seq)
+ seq_printf(seq,
+ "dongle trap info: type 0x%x @ epc 0x%08x\n"
+ " cpsr 0x%08x spsr 0x%08x sp 0x%08x\n"
+ " lr 0x%08x pc 0x%08x offset 0x%x\n"
+ " r0 0x%08x r1 0x%08x r2 0x%08x r3 0x%08x\n"
+ " r4 0x%08x r5 0x%08x r6 0x%08x r7 0x%08x\n",
+ le32_to_cpu(tr.type), le32_to_cpu(tr.epc),
+ le32_to_cpu(tr.cpsr), le32_to_cpu(tr.spsr),
+ le32_to_cpu(tr.r13), le32_to_cpu(tr.r14),
+ le32_to_cpu(tr.pc), sh->trap_addr,
+ le32_to_cpu(tr.r0), le32_to_cpu(tr.r1),
+ le32_to_cpu(tr.r2), le32_to_cpu(tr.r3),
+ le32_to_cpu(tr.r4), le32_to_cpu(tr.r5),
+ le32_to_cpu(tr.r6), le32_to_cpu(tr.r7));
+ else
+ pr_debug("dongle trap info: type 0x%x @ epc 0x%08x\n"
+ " cpsr 0x%08x spsr 0x%08x sp 0x%08x\n"
+ " lr 0x%08x pc 0x%08x offset 0x%x\n"
+ " r0 0x%08x r1 0x%08x r2 0x%08x r3 0x%08x\n"
+ " r4 0x%08x r5 0x%08x r6 0x%08x r7 0x%08x\n",
+ le32_to_cpu(tr.type), le32_to_cpu(tr.epc),
+ le32_to_cpu(tr.cpsr), le32_to_cpu(tr.spsr),
+ le32_to_cpu(tr.r13), le32_to_cpu(tr.r14),
+ le32_to_cpu(tr.pc), sh->trap_addr,
+ le32_to_cpu(tr.r0), le32_to_cpu(tr.r1),
+ le32_to_cpu(tr.r2), le32_to_cpu(tr.r3),
+ le32_to_cpu(tr.r4), le32_to_cpu(tr.r5),
+ le32_to_cpu(tr.r6), le32_to_cpu(tr.r7));
return 0;
}
@@ -3067,8 +3132,10 @@ static int brcmf_sdio_checkdied(struct brcmf_sdio *bus)
else if (sh.flags & SDPCM_SHARED_ASSERT)
brcmf_err("assertion in dongle\n");
- if (sh.flags & SDPCM_SHARED_TRAP)
+ if (sh.flags & SDPCM_SHARED_TRAP) {
brcmf_err("firmware trap in dongle\n");
+ brcmf_sdio_trap_info(NULL, bus, &sh);
+ }
return 0;
}
@@ -3143,9 +3210,12 @@ static int brcmf_debugfs_sdio_count_read(struct seq_file *seq, void *data)
return 0;
}
-static void brcmf_sdio_debugfs_create(struct brcmf_sdio *bus)
+static void brcmf_sdio_debugfs_create(struct device *dev)
{
- struct brcmf_pub *drvr = bus->sdiodev->bus_if->drvr;
+ struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+ struct brcmf_pub *drvr = bus_if->drvr;
+ struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
+ struct brcmf_sdio *bus = sdiodev->bus;
struct dentry *dentry = brcmf_debugfs_get_devdir(drvr);
if (IS_ERR_OR_NULL(dentry))
@@ -3165,7 +3235,7 @@ static int brcmf_sdio_checkdied(struct brcmf_sdio *bus)
return 0;
}
-static void brcmf_sdio_debugfs_create(struct brcmf_sdio *bus)
+static void brcmf_sdio_debugfs_create(struct device *dev)
{
}
#endif /* DEBUG */
@@ -3343,6 +3413,7 @@ static int brcmf_sdio_download_firmware(struct brcmf_sdio *bus,
/* Take arm out of reset */
if (!brcmf_chip_set_active(bus->ci, rstvec)) {
brcmf_err("error getting out of ARM core reset\n");
+ bcmerror = -EIO;
goto err;
}
@@ -3354,11 +3425,9 @@ err:
static bool brcmf_sdio_aos_no_decode(struct brcmf_sdio *bus)
{
- if (bus->ci->chip == CY_CC_43012_CHIP_ID ||
- bus->ci->chip == CY_CC_4373_CHIP_ID ||
- bus->ci->chip == BRCM_CC_4339_CHIP_ID ||
- bus->ci->chip == BRCM_CC_4345_CHIP_ID ||
- bus->ci->chip == BRCM_CC_4354_CHIP_ID)
+ if (bus->ci->chip == BRCM_CC_43751_CHIP_ID ||
+ bus->ci->chip == BRCM_CC_43752_CHIP_ID ||
+ bus->ci->chip == CY_CC_43012_CHIP_ID)
return true;
else
return false;
@@ -3463,6 +3532,7 @@ static int brcmf_sdio_bus_preinit(struct device *dev)
struct brcmf_sdio *bus = sdiodev->bus;
struct brcmf_core *core = bus->sdio_core;
u32 value;
+ __le32 iovar;
int err;
/* maxctl provided by common layer */
@@ -3477,24 +3547,22 @@ static int brcmf_sdio_bus_preinit(struct device *dev)
if (bus->rxbuf)
bus->rxblen = value;
- brcmf_sdio_debugfs_create(bus);
-
/* the commands below use the terms tx and rx from
* a device perspective, ie. bus:txglom affects the
* bus transfers from device to host.
*/
if (core->rev < 12) {
/* for sdio core rev < 12, disable txgloming */
- value = 0;
- err = brcmf_iovar_data_set(dev, "bus:txglom", &value,
- sizeof(u32));
+ iovar = 0;
+ err = brcmf_iovar_data_set(dev, "bus:txglom", &iovar,
+ sizeof(iovar));
} else {
/* otherwise, set txglomalign */
value = sdiodev->settings->bus.sdio.sd_sgentry_align;
/* SDIO ADMA requires at least 32 bit alignment */
- value = max_t(u32, value, ALIGNMENT);
- err = brcmf_iovar_data_set(dev, "bus:txglomalign", &value,
- sizeof(u32));
+ iovar = cpu_to_le32(max_t(u32, value, ALIGNMENT));
+ err = brcmf_iovar_data_set(dev, "bus:txglomalign", &iovar,
+ sizeof(iovar));
}
if (err < 0)
@@ -3503,9 +3571,9 @@ static int brcmf_sdio_bus_preinit(struct device *dev)
bus->tx_hdrlen = SDPCM_HWHDR_LEN + SDPCM_SWHDR_LEN;
if (sdiodev->sg_support) {
bus->txglom = false;
- value = 1;
+ iovar = cpu_to_le32(1);
err = brcmf_iovar_data_set(bus->sdiodev->dev, "bus:rxglom",
- &value, sizeof(u32));
+ &iovar, sizeof(iovar));
if (err < 0) {
/* bus:rxglom is allowed to fail */
err = 0;
@@ -3573,7 +3641,7 @@ void brcmf_sdio_trigger_dpc(struct brcmf_sdio *bus)
}
}
-void brcmf_sdio_isr(struct brcmf_sdio *bus)
+void brcmf_sdio_isr(struct brcmf_sdio *bus, bool in_isr)
{
brcmf_dbg(TRACE, "Enter\n");
@@ -3584,7 +3652,7 @@ void brcmf_sdio_isr(struct brcmf_sdio *bus)
/* Count the interrupt call */
bus->sdcnt.intrcount++;
- if (in_interrupt())
+ if (in_isr)
atomic_set(&bus->ipend, 1);
else
if (brcmf_sdio_intr_rstatus(bus)) {
@@ -3667,7 +3735,11 @@ static void brcmf_sdio_bus_watchdog(struct brcmf_sdio *bus)
if (bus->idlecount > bus->idletime) {
brcmf_dbg(SDIO, "idle\n");
sdio_claim_host(bus->sdiodev->func1);
- brcmf_sdio_wd_timer(bus, false);
+#ifdef DEBUG
+ if (!BRCMF_FWCON_ON() ||
+ bus->console_interval == 0)
+#endif
+ brcmf_sdio_wd_timer(bus, false);
bus->idlecount = 0;
brcmf_sdio_bus_sleep(bus, true, false);
sdio_release_host(bus->sdiodev->func1);
@@ -3846,7 +3918,7 @@ static u32 brcmf_sdio_buscore_read32(void *ctx, u32 addr)
* It can be identified as 4339 by looking at the chip revision. It
* is corrected here so the chip.c module has the right info.
*/
- if (addr == CORE_CC_REG(SI_ENUM_BASE, chipid) &&
+ if (addr == CORE_CC_REG(SI_ENUM_BASE_DEFAULT, chipid) &&
(sdiodev->func1->device == SDIO_DEVICE_ID_BROADCOM_4339 ||
sdiodev->func1->device == SDIO_DEVICE_ID_BROADCOM_4335_4339)) {
rev = (val & CID_REV_MASK) >> CID_REV_SHIFT;
@@ -3873,7 +3945,7 @@ static const struct brcmf_buscore_ops brcmf_sdio_buscore_ops = {
.write32 = brcmf_sdio_buscore_write32,
};
-static bool
+static int
brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
{
struct brcmf_sdio_dev *sdiodev;
@@ -3882,12 +3954,16 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
int reg_addr;
u32 reg_val;
u32 drivestrength;
+ u32 enum_base;
+ int ret = -EBADE;
sdiodev = bus->sdiodev;
sdio_claim_host(sdiodev->func1);
- pr_debug("F1 signature read @0x18000000=0x%4x\n",
- brcmf_sdiod_readl(sdiodev, SI_ENUM_BASE, NULL));
+ enum_base = brcmf_chip_enum_base(sdiodev->func1->device);
+
+ pr_debug("F1 signature read @0x%08x=0x%4x\n", enum_base,
+ brcmf_sdiod_readl(sdiodev, enum_base, NULL));
/*
* Force PLL off until brcmf_chip_attach()
@@ -3906,7 +3982,8 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
goto fail;
}
- bus->ci = brcmf_chip_attach(sdiodev, &brcmf_sdio_buscore_ops);
+ bus->ci = brcmf_chip_attach(sdiodev, sdiodev->func1->device,
+ &brcmf_sdio_buscore_ops);
if (IS_ERR(bus->ci)) {
brcmf_err("brcmf_chip_attach failed!\n");
bus->ci = NULL;
@@ -3927,8 +4004,9 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
BRCMF_BUSTYPE_SDIO,
bus->ci->chip,
bus->ci->chiprev);
- if (!sdiodev->settings) {
+ if (IS_ERR_OR_NULL(sdiodev->settings)) {
brcmf_err("Failed to get device parameters\n");
+ ret = PTR_ERR_OR_ZERO(sdiodev->settings);
goto fail;
}
/* platform specific configuration:
@@ -3947,15 +4025,14 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
*/
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->func1) & MMC_PM_KEEP_POWER) &&
+ if (IS_ENABLED(CONFIG_PM_SLEEP) &&
+ (sdio_get_host_pm_caps(sdiodev->func1) & MMC_PM_KEEP_POWER) &&
((sdio_get_host_pm_caps(sdiodev->func1) & MMC_PM_WAKE_SDIO_IRQ) ||
(sdiodev->settings->bus.sdio.oob_irq_supported)))
sdiodev->bus_if->wowl_supported = true;
-#endif
if (brcmf_sdio_kso_init(bus)) {
brcmf_err("error enabling KSO\n");
@@ -3998,7 +4075,7 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
/* allocate header buffer */
bus->hdrbuf = kzalloc(MAX_HDR_READ + bus->head_align, GFP_KERNEL);
if (!bus->hdrbuf)
- return false;
+ return -ENOMEM;
/* Locate an appropriately-aligned portion of hdrbuf */
bus->rxhdr = (u8 *) roundup((unsigned long)&bus->hdrbuf[0],
bus->head_align);
@@ -4009,11 +4086,11 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
if (bus->poll)
bus->pollrate = 1;
- return true;
+ return 0;
fail:
sdio_release_host(sdiodev->func1);
- return false;
+ return ret;
}
static int
@@ -4046,7 +4123,7 @@ brcmf_sdio_watchdog_thread(void *data)
static void
brcmf_sdio_watchdog(struct timer_list *t)
{
- struct brcmf_sdio *bus = from_timer(bus, t, timer);
+ struct brcmf_sdio *bus = timer_container_of(bus, t, timer);
if (bus->watchdog_tsk) {
complete(&bus->watchdog_wait);
@@ -4057,26 +4134,57 @@ brcmf_sdio_watchdog(struct timer_list *t)
}
}
-static
-int brcmf_sdio_get_fwname(struct device *dev, const char *ext, u8 *fw_name)
+static int brcmf_sdio_get_blob(struct device *dev, const struct firmware **fw,
+ enum brcmf_blob_type type)
{
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
- struct brcmf_fw_request *fwreq;
- struct brcmf_fw_name fwnames[] = {
- { ext, fw_name },
- };
+ struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
- fwreq = brcmf_fw_alloc_request(bus_if->chip, bus_if->chiprev,
- brcmf_sdio_fwnames,
- ARRAY_SIZE(brcmf_sdio_fwnames),
- fwnames, ARRAY_SIZE(fwnames));
- if (!fwreq)
- return -ENOMEM;
+ switch (type) {
+ case BRCMF_BLOB_CLM:
+ *fw = sdiodev->clm_fw;
+ sdiodev->clm_fw = NULL;
+ break;
+ default:
+ return -ENOENT;
+ }
- kfree(fwreq);
+ if (!*fw)
+ return -ENOENT;
+
+ return 0;
+}
+
+static int brcmf_sdio_bus_reset(struct device *dev)
+{
+ struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+ struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
+
+ brcmf_dbg(SDIO, "Enter\n");
+
+ /* start by unregistering irqs */
+ brcmf_sdiod_intr_unregister(sdiodev);
+
+ brcmf_sdiod_remove(sdiodev);
+
+ /* reset the adapter */
+ sdio_claim_host(sdiodev->func1);
+ mmc_hw_reset(sdiodev->func1->card);
+ sdio_release_host(sdiodev->func1);
+
+ brcmf_bus_change_state(sdiodev->bus_if, BRCMF_BUS_DOWN);
return 0;
}
+static void brcmf_sdio_bus_remove(struct device *dev)
+{
+ struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+ struct brcmf_sdio_dev *sdiod = bus_if->bus_priv.sdio;
+
+ device_release_driver(&sdiod->func2->dev);
+ device_release_driver(&sdiod->func1->dev);
+}
+
static const struct brcmf_bus_ops brcmf_sdio_bus_ops = {
.stop = brcmf_sdio_bus_stop,
.preinit = brcmf_sdio_bus_preinit,
@@ -4087,11 +4195,15 @@ static const struct brcmf_bus_ops brcmf_sdio_bus_ops = {
.wowl_config = brcmf_sdio_wowl_config,
.get_ramsize = brcmf_sdio_bus_get_ramsize,
.get_memdump = brcmf_sdio_bus_get_memdump,
- .get_fwname = brcmf_sdio_get_fwname,
+ .get_blob = brcmf_sdio_get_blob,
+ .debugfs_create = brcmf_sdio_debugfs_create,
+ .reset = brcmf_sdio_bus_reset,
+ .remove = brcmf_sdio_bus_remove,
};
#define BRCMF_SDIO_FW_CODE 0
#define BRCMF_SDIO_FW_NVRAM 1
+#define BRCMF_SDIO_FW_CLM 2
static void brcmf_sdio_firmware_callback(struct device *dev, int err,
struct brcmf_fw_request *fwreq)
@@ -4114,6 +4226,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
code = fwreq->items[BRCMF_SDIO_FW_CODE].binary;
nvram = fwreq->items[BRCMF_SDIO_FW_NVRAM].nv_data.data;
nvram_len = fwreq->items[BRCMF_SDIO_FW_NVRAM].nv_data.len;
+ sdiod->clm_fw = fwreq->items[BRCMF_SDIO_FW_CLM].binary;
kfree(fwreq);
/* try to download image and nvram to the dongle */
@@ -4164,7 +4277,9 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
bus->hostintmask, NULL);
switch (sdiod->func1->device) {
- case SDIO_DEVICE_ID_CYPRESS_4373:
+ case SDIO_DEVICE_ID_BROADCOM_43751:
+ case SDIO_DEVICE_ID_BROADCOM_43752:
+ case SDIO_DEVICE_ID_BROADCOM_CYPRESS_4373:
brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
CY_4373_F2_WATERMARK);
brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
@@ -4175,10 +4290,9 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
&err);
brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
- CY_4373_F2_WATERMARK |
- SBSDIO_MESBUSYCTRL_ENAB, &err);
+ CY_4373_F1_MESBUSYCTRL, &err);
break;
- case SDIO_DEVICE_ID_CYPRESS_43012:
+ case SDIO_DEVICE_ID_BROADCOM_CYPRESS_43012:
brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
CY_43012_F2_WATERMARK);
brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
@@ -4188,6 +4302,50 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
&err);
+ brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
+ CY_43012_MESBUSYCTRL, &err);
+ break;
+ case SDIO_DEVICE_ID_BROADCOM_4329:
+ case SDIO_DEVICE_ID_BROADCOM_4339:
+ brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
+ CY_4339_F2_WATERMARK);
+ brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
+ CY_4339_F2_WATERMARK, &err);
+ devctl = brcmf_sdiod_readb(sdiod, SBSDIO_DEVICE_CTL,
+ &err);
+ devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
+ brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
+ &err);
+ brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
+ CY_4339_MESBUSYCTRL, &err);
+ break;
+ case SDIO_DEVICE_ID_BROADCOM_43455:
+ brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
+ CY_43455_F2_WATERMARK);
+ brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
+ CY_43455_F2_WATERMARK, &err);
+ devctl = brcmf_sdiod_readb(sdiod, SBSDIO_DEVICE_CTL,
+ &err);
+ devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
+ brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
+ &err);
+ brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
+ CY_43455_MESBUSYCTRL, &err);
+ break;
+ case SDIO_DEVICE_ID_BROADCOM_4359:
+ case SDIO_DEVICE_ID_BROADCOM_4354:
+ case SDIO_DEVICE_ID_BROADCOM_4356:
+ brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
+ CY_435X_F2_WATERMARK);
+ brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
+ CY_435X_F2_WATERMARK, &err);
+ devctl = brcmf_sdiod_readb(sdiod, SBSDIO_DEVICE_CTL,
+ &err);
+ devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
+ brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
+ &err);
+ brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
+ CY_435X_F1_MESBUSYCTRL, &err);
break;
default:
brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
@@ -4197,7 +4355,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
} else {
/* Disable F2 again */
sdio_disable_func(sdiod->func2);
- goto release;
+ goto checkdied;
}
if (brcmf_chip_sr_capable(bus->ci)) {
@@ -4209,6 +4367,12 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
}
if (err == 0) {
+ /* Assign bus interface call back */
+ sdiod->bus_if->dev = sdiod->dev;
+ sdiod->bus_if->ops = &brcmf_sdio_bus_ops;
+ sdiod->bus_if->chip = bus->ci->chip;
+ sdiod->bus_if->chiprev = bus->ci->chiprev;
+
/* Allow full data communication using DPC from now on. */
brcmf_sdiod_change_state(bus->sdiodev, BRCMF_SDIOD_DATA);
@@ -4218,27 +4382,35 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
}
/* If we didn't come up, turn off backplane clock */
- if (err != 0)
+ if (err != 0) {
brcmf_sdio_clkctl(bus, CLK_NONE, false);
+ goto checkdied;
+ }
sdio_release_host(sdiod->func1);
- /* Assign bus interface call back */
- sdiod->bus_if->dev = sdiod->dev;
- sdiod->bus_if->ops = &brcmf_sdio_bus_ops;
- sdiod->bus_if->chip = bus->ci->chip;
- sdiod->bus_if->chiprev = bus->ci->chiprev;
+ err = brcmf_alloc(sdiod->dev, sdiod->settings);
+ if (err) {
+ brcmf_err("brcmf_alloc failed\n");
+ goto claim;
+ }
/* Attach to the common layer, reserve hdr space */
- err = brcmf_attach(sdiod->dev, sdiod->settings);
+ err = brcmf_attach(sdiod->dev);
if (err != 0) {
brcmf_err("brcmf_attach failed\n");
- goto fail;
+ goto free;
}
/* ready */
return;
+free:
+ brcmf_free(sdiod->dev);
+claim:
+ sdio_claim_host(sdiod->func1);
+checkdied:
+ brcmf_sdio_checkdied(bus);
release:
sdio_release_host(sdiod->func1);
fail:
@@ -4254,6 +4426,7 @@ brcmf_sdio_prepare_fw_request(struct brcmf_sdio *bus)
struct brcmf_fw_name fwnames[] = {
{ ".bin", bus->sdiodev->fw_name },
{ ".txt", bus->sdiodev->nvram_name },
+ { ".clm_blob", bus->sdiodev->clm_name },
};
fwreq = brcmf_fw_alloc_request(bus->ci->chip, bus->ci->chiprev,
@@ -4265,7 +4438,9 @@ brcmf_sdio_prepare_fw_request(struct brcmf_sdio *bus)
fwreq->items[BRCMF_SDIO_FW_CODE].type = BRCMF_FW_TYPE_BINARY;
fwreq->items[BRCMF_SDIO_FW_NVRAM].type = BRCMF_FW_TYPE_NVRAM;
- fwreq->board_type = bus->sdiodev->settings->board_type;
+ fwreq->items[BRCMF_SDIO_FW_CLM].type = BRCMF_FW_TYPE_BINARY;
+ fwreq->items[BRCMF_SDIO_FW_CLM].flags = BRCMF_FW_REQF_OPTIONAL;
+ fwreq->board_types[0] = bus->sdiodev->settings->board_type;
return fwreq;
}
@@ -4280,9 +4455,11 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
brcmf_dbg(TRACE, "Enter\n");
/* Allocate private bus interface state */
- bus = kzalloc(sizeof(struct brcmf_sdio), GFP_ATOMIC);
- if (!bus)
+ bus = kzalloc(sizeof(*bus), GFP_ATOMIC);
+ if (!bus) {
+ ret = -ENOMEM;
goto fail;
+ }
bus->sdiodev = sdiodev;
sdiodev->bus = bus;
@@ -4293,10 +4470,11 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
bus->tx_seq = SDPCM_SEQ_WRAP - 1;
/* single-threaded workqueue */
- wq = alloc_ordered_workqueue("brcmf_wq/%s", WQ_MEM_RECLAIM,
+ wq = alloc_ordered_workqueue("brcmf_wq/%s", WQ_MEM_RECLAIM | WQ_HIGHPRI,
dev_name(&sdiodev->func1->dev));
if (!wq) {
brcmf_err("insufficient memory to create txworkqueue\n");
+ ret = -ENOMEM;
goto fail;
}
brcmf_sdiod_freezer_count(sdiodev);
@@ -4304,7 +4482,8 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
bus->brcmf_wq = wq;
/* attempt to attach to the dongle */
- if (!(brcmf_sdio_probe_attach(bus))) {
+ ret = brcmf_sdio_probe_attach(bus);
+ if (ret < 0) {
brcmf_err("brcmf_sdio_probe_attach failed\n");
goto fail;
}
@@ -4376,7 +4555,7 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
fail:
brcmf_sdio_remove(bus);
- return NULL;
+ return ERR_PTR(ret);
}
/* Detach and free everything */
@@ -4396,6 +4575,7 @@ void brcmf_sdio_remove(struct brcmf_sdio *bus)
brcmf_sdiod_intr_unregister(bus->sdiodev);
brcmf_detach(bus->sdiodev->dev);
+ brcmf_free(bus->sdiodev->dev);
cancel_work_sync(&bus->datawork);
if (bus->brcmf_wq)
@@ -4420,6 +4600,8 @@ void brcmf_sdio_remove(struct brcmf_sdio *bus)
if (bus->sdiodev->settings)
brcmf_release_module_param(bus->sdiodev->settings);
+ release_firmware(bus->sdiodev->clm_fw);
+ bus->sdiodev->clm_fw = NULL;
kfree(bus->rxbuf);
kfree(bus->hdrbuf);
kfree(bus);
@@ -4432,7 +4614,7 @@ void brcmf_sdio_wd_timer(struct brcmf_sdio *bus, bool active)
{
/* Totally stop the timer */
if (!active && bus->wd_active) {
- del_timer_sync(&bus->timer);
+ timer_delete_sync(&bus->timer);
bus->wd_active = false;
return;
}
@@ -4466,4 +4648,3 @@ int brcmf_sdio_sleep(struct brcmf_sdio *bus, bool sleep)
return ret;
}
-
generated by cgit (git 2.34.1) at 2025-12-25 19:55:25 +0000