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brcmfmac: replace brcmf_sdcard_cfg_write with brcmf_sdio_regwb 

Use the newly introduced brcmf_sdio_regwb to replace
brcmf_sdcard_cfg_write as part of the SDIO WiFi dongle register
access interface clean up.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Franky Lin 2012-05-04 18:27:33 -07:00 committed by John W. Linville
parent 45db339cd2
commit 3bba829f63
4 changed files with 48 additions and 98 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
View File

@ -87,15 +87,13 @@ int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev)
/* must configure SDIO_CCCR_IENx to enable irq */
data = brcmf_sdio_regrb(sdiodev, SDIO_CCCR_IENx, &ret);
data |= 1 << SDIO_FUNC_1 | 1 << SDIO_FUNC_2 | 1;
brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_0, SDIO_CCCR_IENx,
data, &ret);
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, data, &ret);
/* redirect, configure ane enable io for interrupt signal */
data = SDIO_SEPINT_MASK | SDIO_SEPINT_OE;
if (sdiodev->irq_flags | IRQF_TRIGGER_HIGH)
data |= SDIO_SEPINT_ACT_HI;
brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_0, SDIO_CCCR_BRCM_SEPINT,
data, &ret);
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, data, &ret);
return 0;
}
@ -104,9 +102,8 @@ int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev)
{
brcmf_dbg(TRACE, "Entering\n");
brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_0, SDIO_CCCR_BRCM_SEPINT,
0, NULL);
brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_0, SDIO_CCCR_IENx, 0, NULL);
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, 0, NULL);
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, 0, NULL);
if (sdiodev->irq_wake) {
disable_irq_wake(sdiodev->irq);
@ -157,27 +154,6 @@ int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev)
}
#endif /* CONFIG_BRCMFMAC_SDIO_OOB */
void
brcmf_sdcard_cfg_write(struct brcmf_sdio_dev *sdiodev, uint fnc_num, u32 addr,
u8 data, int *err)
{
int status;
s32 retry = 0;
do {
if (retry) /* wait for 1 ms till bus get settled down */
udelay(1000);
status = brcmf_sdioh_request_byte(sdiodev, SDIOH_WRITE, fnc_num,
addr, (u8 *) &data);
} while (status != 0
&& (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
if (err)
*err = status;
brcmf_dbg(INFO, "fun = %d, addr = 0x%x, u8data = 0x%x\n",
fnc_num, addr, data);
}
int
brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address)
{

96
drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
View File

@ -696,8 +696,8 @@ static int brcmf_sdbrcm_htclk(struct brcmf_sdio *bus, bool on, bool pendok)
clkreq =
bus->alp_only ? SBSDIO_ALP_AVAIL_REQ : SBSDIO_HT_AVAIL_REQ;
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR, clkreq, &err);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
clkreq, &err);
if (err) {
brcmf_dbg(ERROR, "HT Avail request error: %d\n", err);
return -EBADE;
@ -723,8 +723,8 @@ static int brcmf_sdbrcm_htclk(struct brcmf_sdio *bus, bool on, bool pendok)
}
devctl |= SBSDIO_DEVCTL_CA_INT_ONLY;
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_DEVICE_CTL, devctl, &err);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL,
devctl, &err);
brcmf_dbg(INFO, "CLKCTL: set PENDING\n");
bus->clkstate = CLK_PENDING;
@ -734,8 +734,8 @@ static int brcmf_sdbrcm_htclk(struct brcmf_sdio *bus, bool on, bool pendok)
devctl = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_DEVICE_CTL, &err);
devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY;
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_DEVICE_CTL, devctl, &err);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL,
devctl, &err);
}
/* Otherwise, wait here (polling) for HT Avail */
@ -780,13 +780,13 @@ static int brcmf_sdbrcm_htclk(struct brcmf_sdio *bus, bool on, bool pendok)
devctl = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_DEVICE_CTL, &err);
devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY;
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_DEVICE_CTL, devctl, &err);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL,
devctl, &err);
}
bus->clkstate = CLK_SDONLY;
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR, clkreq, &err);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
clkreq, &err);
brcmf_dbg(INFO, "CLKCTL: turned OFF\n");
if (err) {
brcmf_dbg(ERROR, "Failed access turning clock off: %d\n",
@ -897,14 +897,12 @@ static int brcmf_sdbrcm_bussleep(struct brcmf_sdio *bus, bool sleep)
/* Turn off our contribution to the HT clock request */
brcmf_sdbrcm_clkctl(bus, CLK_SDONLY, false);
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR,
SBSDIO_FORCE_HW_CLKREQ_OFF, NULL);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
SBSDIO_FORCE_HW_CLKREQ_OFF, NULL);
/* Isolate the bus */
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_DEVICE_CTL,
SBSDIO_DEVCTL_PADS_ISO, NULL);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL,
SBSDIO_DEVCTL_PADS_ISO, NULL);
/* Change state */
bus->sleeping = true;
@ -912,8 +910,8 @@ static int brcmf_sdbrcm_bussleep(struct brcmf_sdio *bus, bool sleep)
} else {
/* Waking up: bus power up is ok, set local state */
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
0, NULL);
/* Make sure the controller has the bus up */
brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false);
@ -1035,9 +1033,8 @@ static void brcmf_sdbrcm_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx)
if (abort)
brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_FRAMECTRL,
SFC_RF_TERM, &err);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
SFC_RF_TERM, &err);
bus->f1regdata++;
/* Wait until the packet has been flushed (device/FIFO stable) */
@ -2173,9 +2170,8 @@ static int brcmf_sdbrcm_txpkt(struct brcmf_sdio *bus, struct sk_buff *pkt,
bus->tx_sderrs++;
brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_FRAMECTRL, SFC_WF_TERM,
NULL);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
SFC_WF_TERM, NULL);
bus->f1regdata++;
for (i = 0; i < 3; i++) {
@ -2305,17 +2301,16 @@ static void brcmf_sdbrcm_bus_stop(struct device *dev)
saveclk = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR, &err);
if (!err) {
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR,
(saveclk | SBSDIO_FORCE_HT), &err);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
(saveclk | SBSDIO_FORCE_HT), &err);
}
if (err)
brcmf_dbg(ERROR, "Failed to force clock for F2: err %d\n", err);
/* Turn off the bus (F2), free any pending packets */
brcmf_dbg(INTR, "disable SDIO interrupts\n");
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_0, SDIO_CCCR_IOEx,
SDIO_FUNC_ENABLE_1, NULL);
brcmf_sdio_regwb(bus->sdiodev, SDIO_CCCR_IOEx, SDIO_FUNC_ENABLE_1,
NULL);
/* Clear any pending interrupts now that F2 is disabled */
w_sdreg32(bus, local_hostintmask,
@ -2414,8 +2409,8 @@ static bool brcmf_sdbrcm_dpc(struct brcmf_sdio *bus)
bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY;
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_DEVICE_CTL, devctl, &err);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL,
devctl, &err);
if (err) {
brcmf_dbg(ERROR, "error writing DEVCTL: %d\n",
err);
@ -2536,9 +2531,8 @@ static bool brcmf_sdbrcm_dpc(struct brcmf_sdio *bus)
brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_FRAMECTRL, SFC_WF_TERM,
NULL);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
SFC_WF_TERM, NULL);
bus->f1regdata++;
for (i = 0; i < 3; i++) {
@ -2874,9 +2868,8 @@ static int brcmf_tx_frame(struct brcmf_sdio *bus, u8 *frame, u16 len)
brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_FRAMECTRL,
SFC_WF_TERM, NULL);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
SFC_WF_TERM, NULL);
bus->f1regdata++;
for (i = 0; i < 3; i++) {
@ -3461,9 +3454,8 @@ static int brcmf_sdbrcm_bus_init(struct device *dev)
saveclk = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR, &err);
if (!err) {
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR,
(saveclk | SBSDIO_FORCE_HT), &err);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
(saveclk | SBSDIO_FORCE_HT), &err);
}
if (err) {
brcmf_dbg(ERROR, "Failed to force clock for F2: err %d\n", err);
@ -3475,8 +3467,7 @@ static int brcmf_sdbrcm_bus_init(struct device *dev)
offsetof(struct sdpcmd_regs, tosbmailboxdata), &retries);
enable = (SDIO_FUNC_ENABLE_1 | SDIO_FUNC_ENABLE_2);
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_0, SDIO_CCCR_IOEx,
enable, NULL);
brcmf_sdio_regwb(bus->sdiodev, SDIO_CCCR_IOEx, enable, NULL);
timeout = jiffies + msecs_to_jiffies(BRCMF_WAIT_F2RDY);
ready = 0;
@ -3499,19 +3490,16 @@ static int brcmf_sdbrcm_bus_init(struct device *dev)
w_sdreg32(bus, bus->hostintmask,
offsetof(struct sdpcmd_regs, hostintmask), &retries);
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_WATERMARK, 8, &err);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_WATERMARK, 8, &err);
} else {
/* Disable F2 again */
enable = SDIO_FUNC_ENABLE_1;
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_0,
SDIO_CCCR_IOEx, enable, NULL);
brcmf_sdio_regwb(bus->sdiodev, SDIO_CCCR_IOEx, enable, NULL);
ret = -ENODEV;
}
/* Restore previous clock setting */
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR, saveclk, &err);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, saveclk, &err);
if (ret == 0) {
ret = brcmf_sdio_intr_register(bus->sdiodev);
@ -3729,9 +3717,8 @@ brcmf_sdbrcm_probe_attach(struct brcmf_sdio *bus, u32 regsva)
* programs PLL control regs
*/
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR,
BRCMF_INIT_CLKCTL1, &err);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
BRCMF_INIT_CLKCTL1, &err);
if (!err)
clkctl = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR, &err);
@ -3792,16 +3779,15 @@ static bool brcmf_sdbrcm_probe_init(struct brcmf_sdio *bus)
brcmf_dbg(TRACE, "Enter\n");
/* Disable F2 to clear any intermediate frame state on the dongle */
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_0, SDIO_CCCR_IOEx,
SDIO_FUNC_ENABLE_1, NULL);
brcmf_sdio_regwb(bus->sdiodev, SDIO_CCCR_IOEx,
SDIO_FUNC_ENABLE_1, NULL);
bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
bus->sleeping = false;
bus->rxflow = false;
/* Done with backplane-dependent accesses, can drop clock... */
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL);
/* ...and initialize clock/power states */
bus->clkstate = CLK_SDONLY;

9
drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c
View File

@ -425,8 +425,7 @@ brcmf_sdio_chip_buscoreprep(struct brcmf_sdio_dev *sdiodev)
/* Try forcing SDIO core to do ALPAvail request only */
clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_ALP_AVAIL_REQ;
brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err);
brcmf_sdio_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err);
if (err) {
brcmf_dbg(ERROR, "error writing for HT off\n");
return err;
@ -454,13 +453,11 @@ brcmf_sdio_chip_buscoreprep(struct brcmf_sdio_dev *sdiodev)
}
clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_FORCE_ALP;
brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err);
brcmf_sdio_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err);
udelay(65);
/* Also, disable the extra SDIO pull-ups */
brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_SDIOPULLUP, 0, NULL);
brcmf_sdio_regwb(sdiodev, SBSDIO_FUNC1_SDIOPULLUP, 0, NULL);
return 0;
}

9
drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h
View File

@ -168,15 +168,6 @@ struct brcmf_sdio_dev {
extern int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev);
extern int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev);
/* Access SDIO address space (e.g. CCCR) using CMD52 (single-byte interface).
* fn: function number
* addr: unmodified SDIO-space address
* data: data byte to write
* err: pointer to error code (or NULL)
*/
extern void brcmf_sdcard_cfg_write(struct brcmf_sdio_dev *sdiodev, uint func,
u32 addr, u8 data, int *err);
/* Synchronous access to device (client) core registers via CMD53 to F1.
* addr: backplane address (i.e. >= regsva from attach)
* size: register width in bytes (2 or 4)