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Commit e49b06ba authored by Arend van Spriel's avatar Arend van Spriel Committed by John W. Linville
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brcmfmac: remove unnecessary function prototypes 

With the merge of bcmsdh.c and bcmsdh_mmc.c several function prototypes
are no longer necessary and can be removed. Consequence is reordering
some of the functions.
Reviewed-by: default avatarFranky Lin <frankyl@broadcom.com>
Reviewed-by: default avatarHante Meuleman <meuleman@broadcom.com>
Reviewed-by: default avatarPieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: default avatarArend van Spriel <arend@broadcom.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent e2dc9eea
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Inline Side-by-side
Showing with 231 additions and 263 deletions
drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
View file @ e49b06ba
......@@ -47,6 +47,12 @@
#define SDIOH_API_ACCESS_RETRY_LIMIT 2
#define SDIO_VENDOR_ID_BROADCOM 0x02d0
#define DMA_ALIGN_MASK 0x03
#define SDIO_FUNC1_BLOCKSIZE 64
#define SDIO_FUNC2_BLOCKSIZE 512
static irqreturn_t brcmf_sdio_oob_irqhandler(int irq, void *dev_id)
{
......@@ -83,6 +89,25 @@ static void brcmf_sdio_dummy_irqhandler(struct sdio_func *func)
{
}
static bool brcmf_pm_resume_error(struct brcmf_sdio_dev *sdiodev)
{
bool is_err = false;
#ifdef CONFIG_PM_SLEEP
is_err = atomic_read(&sdiodev->suspend);
#endif
return is_err;
}
static void brcmf_pm_resume_wait(struct brcmf_sdio_dev *sdiodev,
wait_queue_head_t *wq)
{
#ifdef CONFIG_PM_SLEEP
int retry = 0;
while (atomic_read(&sdiodev->suspend) && retry++ != 30)
wait_event_timeout(*wq, false, HZ/100);
#endif
}
int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev)
{
int ret = 0;
......@@ -169,6 +194,144 @@ int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev)
return 0;
}
static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev,
uint regaddr, u8 *byte)
{
struct sdio_func *sdfunc = sdiodev->func[0];
int err_ret;
/*
* Can only directly write to some F0 registers.
* Handle F2 enable/disable and Abort command
* as a special case.
*/
if (regaddr == SDIO_CCCR_IOEx) {
sdfunc = sdiodev->func[2];
if (sdfunc) {
if (*byte & SDIO_FUNC_ENABLE_2) {
/* Enable Function 2 */
err_ret = sdio_enable_func(sdfunc);
if (err_ret)
brcmf_err("enable F2 failed:%d\n",
err_ret);
} else {
/* Disable Function 2 */
err_ret = sdio_disable_func(sdfunc);
if (err_ret)
brcmf_err("Disable F2 failed:%d\n",
err_ret);
}
} else {
err_ret = -ENOENT;
}
} else if ((regaddr == SDIO_CCCR_ABORT) ||
(regaddr == SDIO_CCCR_IENx)) {
sdfunc = kmemdup(sdiodev->func[0], sizeof(struct sdio_func),
GFP_KERNEL);
if (!sdfunc)
return -ENOMEM;
sdfunc->num = 0;
sdio_writeb(sdfunc, *byte, regaddr, &err_ret);
kfree(sdfunc);
} else if (regaddr < 0xF0) {
brcmf_err("F0 Wr:0x%02x: write disallowed\n", regaddr);
err_ret = -EPERM;
} else {
sdio_f0_writeb(sdfunc, *byte, regaddr, &err_ret);
}
return err_ret;
}
static int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw,
uint func, uint regaddr, u8 *byte)
{
int err_ret;
brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x\n", rw, func, regaddr);
brcmf_pm_resume_wait(sdiodev, &sdiodev->request_byte_wait);
if (brcmf_pm_resume_error(sdiodev))
return -EIO;
if (rw && func == 0) {
/* handle F0 separately */
err_ret = brcmf_sdioh_f0_write_byte(sdiodev, regaddr, byte);
} else {
if (rw) /* CMD52 Write */
sdio_writeb(sdiodev->func[func], *byte, regaddr,
&err_ret);
else if (func == 0) {
*byte = sdio_f0_readb(sdiodev->func[func], regaddr,
&err_ret);
} else {
*byte = sdio_readb(sdiodev->func[func], regaddr,
&err_ret);
}
}
if (err_ret) {
/*
* SleepCSR register access can fail when
* waking up the device so reduce this noise
* in the logs.
*/
if (regaddr != SBSDIO_FUNC1_SLEEPCSR)
brcmf_err("Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
rw ? "write" : "read", func, regaddr, *byte,
err_ret);
else
brcmf_dbg(SDIO, "Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
rw ? "write" : "read", func, regaddr, *byte,
err_ret);
}
return err_ret;
}
static int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev, uint rw,
uint func, uint addr, u32 *word,
uint nbytes)
{
int err_ret = -EIO;
if (func == 0) {
brcmf_err("Only CMD52 allowed to F0\n");
return -EINVAL;
}
brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n",
rw, func, addr, nbytes);
brcmf_pm_resume_wait(sdiodev, &sdiodev->request_word_wait);
if (brcmf_pm_resume_error(sdiodev))
return -EIO;
if (rw) { /* CMD52 Write */
if (nbytes == 4)
sdio_writel(sdiodev->func[func], *word, addr,
&err_ret);
else if (nbytes == 2)
sdio_writew(sdiodev->func[func], (*word & 0xFFFF),
addr, &err_ret);
else
brcmf_err("Invalid nbytes: %d\n", nbytes);
} else { /* CMD52 Read */
if (nbytes == 4)
*word = sdio_readl(sdiodev->func[func], addr, &err_ret);
else if (nbytes == 2)
*word = sdio_readw(sdiodev->func[func], addr,
&err_ret) & 0xFFFF;
else
brcmf_err("Invalid nbytes: %d\n", nbytes);
}
if (err_ret)
brcmf_err("Failed to %s word, Err: 0x%08x\n",
rw ? "write" : "read", err_ret);
return err_ret;
}
static int
brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address)
{
......@@ -757,237 +920,6 @@ int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn)
return 0;
}
int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
{
u32 regs = 0;
int ret = 0;
ret = brcmf_sdioh_attach(sdiodev);
if (ret)
goto out;
regs = SI_ENUM_BASE;
/* try to attach to the target device */
sdiodev->bus = brcmf_sdbrcm_probe(regs, sdiodev);
if (!sdiodev->bus) {
brcmf_err("device attach failed\n");
ret = -ENODEV;
goto out;
}
out:
if (ret)
brcmf_sdio_remove(sdiodev);
return ret;
}
int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev)
{
sdiodev->bus_if->state = BRCMF_BUS_DOWN;
if (sdiodev->bus) {
brcmf_sdbrcm_disconnect(sdiodev->bus);
sdiodev->bus = NULL;
}
brcmf_sdioh_detach(sdiodev);
sdiodev->sbwad = 0;
return 0;
}
void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev, bool enable)
{
if (enable)
brcmf_sdbrcm_wd_timer(sdiodev->bus, BRCMF_WD_POLL_MS);
else
brcmf_sdbrcm_wd_timer(sdiodev->bus, 0);
}
#define SDIO_VENDOR_ID_BROADCOM 0x02d0
#define DMA_ALIGN_MASK 0x03
#define SDIO_FUNC1_BLOCKSIZE 64
#define SDIO_FUNC2_BLOCKSIZE 512
/* devices we support, null terminated */
static const struct sdio_device_id brcmf_sdmmc_ids[] = {
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43143)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43241)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4329)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4330)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4334)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM,
SDIO_DEVICE_ID_BROADCOM_4335_4339)},
{ /* end: all zeroes */ },
};
MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
static struct brcmfmac_sdio_platform_data *brcmfmac_sdio_pdata;
bool
brcmf_pm_resume_error(struct brcmf_sdio_dev *sdiodev)
{
bool is_err = false;
#ifdef CONFIG_PM_SLEEP
is_err = atomic_read(&sdiodev->suspend);
#endif
return is_err;
}
void
brcmf_pm_resume_wait(struct brcmf_sdio_dev *sdiodev, wait_queue_head_t *wq)
{
#ifdef CONFIG_PM_SLEEP
int retry = 0;
while (atomic_read(&sdiodev->suspend) && retry++ != 30)
wait_event_timeout(*wq, false, HZ/100);
#endif
}
static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev,
uint regaddr, u8 *byte)
{
struct sdio_func *sdfunc = sdiodev->func[0];
int err_ret;
/*
* Can only directly write to some F0 registers.
* Handle F2 enable/disable and Abort command
* as a special case.
*/
if (regaddr == SDIO_CCCR_IOEx) {
sdfunc = sdiodev->func[2];
if (sdfunc) {
if (*byte & SDIO_FUNC_ENABLE_2) {
/* Enable Function 2 */
err_ret = sdio_enable_func(sdfunc);
if (err_ret)
brcmf_err("enable F2 failed:%d\n",
err_ret);
} else {
/* Disable Function 2 */
err_ret = sdio_disable_func(sdfunc);
if (err_ret)
brcmf_err("Disable F2 failed:%d\n",
err_ret);
}
} else {
err_ret = -ENOENT;
}
} else if ((regaddr == SDIO_CCCR_ABORT) ||
(regaddr == SDIO_CCCR_IENx)) {
sdfunc = kmemdup(sdiodev->func[0], sizeof(struct sdio_func),
GFP_KERNEL);
if (!sdfunc)
return -ENOMEM;
sdfunc->num = 0;
sdio_writeb(sdfunc, *byte, regaddr, &err_ret);
kfree(sdfunc);
} else if (regaddr < 0xF0) {
brcmf_err("F0 Wr:0x%02x: write disallowed\n", regaddr);
err_ret = -EPERM;
} else {
sdio_f0_writeb(sdfunc, *byte, regaddr, &err_ret);
}
return err_ret;
}
int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, uint func,
uint regaddr, u8 *byte)
{
int err_ret;
brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x\n", rw, func, regaddr);
brcmf_pm_resume_wait(sdiodev, &sdiodev->request_byte_wait);
if (brcmf_pm_resume_error(sdiodev))
return -EIO;
if (rw && func == 0) {
/* handle F0 separately */
err_ret = brcmf_sdioh_f0_write_byte(sdiodev, regaddr, byte);
} else {
if (rw) /* CMD52 Write */
sdio_writeb(sdiodev->func[func], *byte, regaddr,
&err_ret);
else if (func == 0) {
*byte = sdio_f0_readb(sdiodev->func[func], regaddr,
&err_ret);
} else {
*byte = sdio_readb(sdiodev->func[func], regaddr,
&err_ret);
}
}
if (err_ret) {
/*
* SleepCSR register access can fail when
* waking up the device so reduce this noise
* in the logs.
*/
if (regaddr != SBSDIO_FUNC1_SLEEPCSR)
brcmf_err("Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
rw ? "write" : "read", func, regaddr, *byte,
err_ret);
else
brcmf_dbg(SDIO, "Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
rw ? "write" : "read", func, regaddr, *byte,
err_ret);
}
return err_ret;
}
int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev,
uint rw, uint func, uint addr, u32 *word,
uint nbytes)
{
int err_ret = -EIO;
if (func == 0) {
brcmf_err("Only CMD52 allowed to F0\n");
return -EINVAL;
}
brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n",
rw, func, addr, nbytes);
brcmf_pm_resume_wait(sdiodev, &sdiodev->request_word_wait);
if (brcmf_pm_resume_error(sdiodev))
return -EIO;
if (rw) { /* CMD52 Write */
if (nbytes == 4)
sdio_writel(sdiodev->func[func], *word, addr,
&err_ret);
else if (nbytes == 2)
sdio_writew(sdiodev->func[func], (*word & 0xFFFF),
addr, &err_ret);
else
brcmf_err("Invalid nbytes: %d\n", nbytes);
} else { /* CMD52 Read */
if (nbytes == 4)
*word = sdio_readl(sdiodev->func[func], addr, &err_ret);
else if (nbytes == 2)
*word = sdio_readw(sdiodev->func[func], addr,
&err_ret) & 0xFFFF;
else
brcmf_err("Invalid nbytes: %d\n", nbytes);
}
if (err_ret)
brcmf_err("Failed to %s word, Err: 0x%08x\n",
rw ? "write" : "read", err_ret);
return err_ret;
}
static int brcmf_sdioh_get_cisaddr(struct brcmf_sdio_dev *sdiodev, u32 regaddr)
{
/* read 24 bits and return valid 17 bit addr */
......@@ -1042,10 +974,7 @@ static int brcmf_sdioh_enablefuncs(struct brcmf_sdio_dev *sdiodev)
return false;
}
/*
* Public entry points & extern's
*/
int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev)
static int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev)
{
int err_ret = 0;
struct mmc_host *host;
......@@ -1092,7 +1021,7 @@ int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev)
return err_ret;
}
void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev)
static void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev)
{
brcmf_dbg(SDIO, "\n");
......@@ -1108,6 +1037,64 @@ void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev)
}
static int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev)
{
sdiodev->bus_if->state = BRCMF_BUS_DOWN;
if (sdiodev->bus) {
brcmf_sdbrcm_disconnect(sdiodev->bus);
sdiodev->bus = NULL;
}
brcmf_sdioh_detach(sdiodev);
sdiodev->sbwad = 0;
return 0;
}
static int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
{
u32 regs = 0;
int ret = 0;
ret = brcmf_sdioh_attach(sdiodev);
if (ret)
goto out;
regs = SI_ENUM_BASE;
/* try to attach to the target device */
sdiodev->bus = brcmf_sdbrcm_probe(regs, sdiodev);
if (!sdiodev->bus) {
brcmf_err("device attach failed\n");
ret = -ENODEV;
goto out;
}
out:
if (ret)
brcmf_sdio_remove(sdiodev);
return ret;
}
/* devices we support, null terminated */
static const struct sdio_device_id brcmf_sdmmc_ids[] = {
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43143)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43241)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4329)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4330)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4334)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM,
SDIO_DEVICE_ID_BROADCOM_4335_4339)},
{ /* end: all zeroes */ },
};
MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
static struct brcmfmac_sdio_platform_data *brcmfmac_sdio_pdata;
static int brcmf_ops_sdio_probe(struct sdio_func *func,
const struct sdio_device_id *id)
{
......@@ -1201,6 +1188,14 @@ static void brcmf_ops_sdio_remove(struct sdio_func *func)
}
#ifdef CONFIG_PM_SLEEP
static void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev, bool enable)
{
if (enable)
brcmf_sdbrcm_wd_timer(sdiodev->bus, BRCMF_WD_POLL_MS);
else
brcmf_sdbrcm_wd_timer(sdiodev->bus, 0);
}
static int brcmf_sdio_suspend(struct device *dev)
{
mmc_pm_flag_t sdio_flags;
......
drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h
View file @ e49b06ba
......@@ -236,43 +236,16 @@ int brcmf_sdcard_recv_chain(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
* nbytes: number of bytes to transfer to/from buf
* Returns 0 or error code.
*/
int brcmf_sdcard_rwdata(struct brcmf_sdio_dev *sdiodev, uint rw, u32 addr,
u8 *buf, uint nbytes);
int brcmf_sdio_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address,
u8 *data, uint size);
/* Issue an abort to the specified function */
int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn);
/* platform specific/high level functions */
int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev);
int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev);
/* attach, return handler on success, NULL if failed.
* The handler shall be provided by all subsequent calls. No local cache
* cfghdl points to the starting address of pci device mapped memory
*/
int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev);
void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev);
/* read or write one byte using cmd52 */
int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, uint fnc,
uint addr, u8 *byte);
/* read or write 2/4 bytes using cmd53 */
int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev, uint rw, uint fnc,
uint addr, u32 *word, uint nbyte);
/* Watchdog timer interface for pm ops */
void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev, bool enable);
void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev);
void brcmf_sdbrcm_disconnect(void *ptr);
void brcmf_sdbrcm_isr(void *arg);
void brcmf_sdbrcm_wd_timer(struct brcmf_sdio *bus, uint wdtick);
void brcmf_pm_resume_wait(struct brcmf_sdio_dev *sdiodev,
wait_queue_head_t *wq);
bool brcmf_pm_resume_error(struct brcmf_sdio_dev *sdiodev);
#endif /* _BRCM_SDH_H_ */
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