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: Franky Lin <frankyl@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Arend van Spriel
John W. Linville
parent
e2dc9eea53
commit
e49b06ba66
@ -47,6 +47,12 @@
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#define SDIOH_API_ACCESS_RETRY_LIMIT 2
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#define SDIO_VENDOR_ID_BROADCOM 0x02d0
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#define DMA_ALIGN_MASK 0x03
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#define SDIO_FUNC1_BLOCKSIZE 64
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#define SDIO_FUNC2_BLOCKSIZE 512
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static irqreturn_t brcmf_sdio_oob_irqhandler(int irq, void *dev_id)
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{
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@ -83,6 +89,25 @@ static void brcmf_sdio_dummy_irqhandler(struct sdio_func *func)
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{
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}
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static bool brcmf_pm_resume_error(struct brcmf_sdio_dev *sdiodev)
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{
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bool is_err = false;
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#ifdef CONFIG_PM_SLEEP
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is_err = atomic_read(&sdiodev->suspend);
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#endif
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return is_err;
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}
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static void brcmf_pm_resume_wait(struct brcmf_sdio_dev *sdiodev,
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wait_queue_head_t *wq)
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{
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#ifdef CONFIG_PM_SLEEP
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int retry = 0;
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while (atomic_read(&sdiodev->suspend) && retry++ != 30)
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wait_event_timeout(*wq, false, HZ/100);
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#endif
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}
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int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev)
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{
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int ret = 0;
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@ -169,6 +194,144 @@ int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev)
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return 0;
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}
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static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev,
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uint regaddr, u8 *byte)
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{
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struct sdio_func *sdfunc = sdiodev->func[0];
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int err_ret;
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/*
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* Can only directly write to some F0 registers.
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* Handle F2 enable/disable and Abort command
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* as a special case.
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*/
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if (regaddr == SDIO_CCCR_IOEx) {
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sdfunc = sdiodev->func[2];
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if (sdfunc) {
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if (*byte & SDIO_FUNC_ENABLE_2) {
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/* Enable Function 2 */
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err_ret = sdio_enable_func(sdfunc);
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if (err_ret)
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brcmf_err("enable F2 failed:%d\n",
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err_ret);
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} else {
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/* Disable Function 2 */
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err_ret = sdio_disable_func(sdfunc);
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if (err_ret)
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brcmf_err("Disable F2 failed:%d\n",
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err_ret);
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}
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} else {
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err_ret = -ENOENT;
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}
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} else if ((regaddr == SDIO_CCCR_ABORT) ||
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(regaddr == SDIO_CCCR_IENx)) {
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sdfunc = kmemdup(sdiodev->func[0], sizeof(struct sdio_func),
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GFP_KERNEL);
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if (!sdfunc)
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return -ENOMEM;
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sdfunc->num = 0;
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sdio_writeb(sdfunc, *byte, regaddr, &err_ret);
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kfree(sdfunc);
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} else if (regaddr < 0xF0) {
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brcmf_err("F0 Wr:0x%02x: write disallowed\n", regaddr);
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err_ret = -EPERM;
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} else {
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sdio_f0_writeb(sdfunc, *byte, regaddr, &err_ret);
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}
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return err_ret;
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}
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static int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw,
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uint func, uint regaddr, u8 *byte)
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{
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int err_ret;
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brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x\n", rw, func, regaddr);
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brcmf_pm_resume_wait(sdiodev, &sdiodev->request_byte_wait);
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if (brcmf_pm_resume_error(sdiodev))
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return -EIO;
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if (rw && func == 0) {
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/* handle F0 separately */
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err_ret = brcmf_sdioh_f0_write_byte(sdiodev, regaddr, byte);
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} else {
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if (rw) /* CMD52 Write */
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sdio_writeb(sdiodev->func[func], *byte, regaddr,
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&err_ret);
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else if (func == 0) {
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*byte = sdio_f0_readb(sdiodev->func[func], regaddr,
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&err_ret);
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} else {
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*byte = sdio_readb(sdiodev->func[func], regaddr,
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&err_ret);
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}
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}
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if (err_ret) {
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/*
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* SleepCSR register access can fail when
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* waking up the device so reduce this noise
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* in the logs.
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*/
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if (regaddr != SBSDIO_FUNC1_SLEEPCSR)
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brcmf_err("Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
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rw ? "write" : "read", func, regaddr, *byte,
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err_ret);
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else
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brcmf_dbg(SDIO, "Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
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rw ? "write" : "read", func, regaddr, *byte,
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err_ret);
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}
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return err_ret;
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}
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static int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev, uint rw,
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uint func, uint addr, u32 *word,
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uint nbytes)
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{
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int err_ret = -EIO;
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if (func == 0) {
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brcmf_err("Only CMD52 allowed to F0\n");
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return -EINVAL;
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}
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brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n",
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rw, func, addr, nbytes);
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brcmf_pm_resume_wait(sdiodev, &sdiodev->request_word_wait);
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if (brcmf_pm_resume_error(sdiodev))
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return -EIO;
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if (rw) { /* CMD52 Write */
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if (nbytes == 4)
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sdio_writel(sdiodev->func[func], *word, addr,
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&err_ret);
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else if (nbytes == 2)
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sdio_writew(sdiodev->func[func], (*word & 0xFFFF),
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addr, &err_ret);
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else
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brcmf_err("Invalid nbytes: %d\n", nbytes);
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} else { /* CMD52 Read */
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if (nbytes == 4)
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*word = sdio_readl(sdiodev->func[func], addr, &err_ret);
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else if (nbytes == 2)
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*word = sdio_readw(sdiodev->func[func], addr,
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&err_ret) & 0xFFFF;
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else
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brcmf_err("Invalid nbytes: %d\n", nbytes);
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}
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if (err_ret)
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brcmf_err("Failed to %s word, Err: 0x%08x\n",
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rw ? "write" : "read", err_ret);
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return err_ret;
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}
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static int
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brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address)
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{
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@ -757,237 +920,6 @@ int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn)
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return 0;
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}
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int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
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{
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u32 regs = 0;
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int ret = 0;
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ret = brcmf_sdioh_attach(sdiodev);
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if (ret)
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goto out;
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regs = SI_ENUM_BASE;
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/* try to attach to the target device */
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sdiodev->bus = brcmf_sdbrcm_probe(regs, sdiodev);
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if (!sdiodev->bus) {
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brcmf_err("device attach failed\n");
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ret = -ENODEV;
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goto out;
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}
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out:
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if (ret)
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brcmf_sdio_remove(sdiodev);
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return ret;
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}
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int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev)
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{
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sdiodev->bus_if->state = BRCMF_BUS_DOWN;
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if (sdiodev->bus) {
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brcmf_sdbrcm_disconnect(sdiodev->bus);
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sdiodev->bus = NULL;
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}
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brcmf_sdioh_detach(sdiodev);
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sdiodev->sbwad = 0;
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return 0;
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}
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void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev, bool enable)
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{
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if (enable)
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brcmf_sdbrcm_wd_timer(sdiodev->bus, BRCMF_WD_POLL_MS);
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else
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brcmf_sdbrcm_wd_timer(sdiodev->bus, 0);
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}
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#define SDIO_VENDOR_ID_BROADCOM 0x02d0
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#define DMA_ALIGN_MASK 0x03
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#define SDIO_FUNC1_BLOCKSIZE 64
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#define SDIO_FUNC2_BLOCKSIZE 512
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/* devices we support, null terminated */
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static const struct sdio_device_id brcmf_sdmmc_ids[] = {
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{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43143)},
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{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43241)},
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{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4329)},
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{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4330)},
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{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4334)},
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{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM,
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SDIO_DEVICE_ID_BROADCOM_4335_4339)},
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{ /* end: all zeroes */ },
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};
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MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
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static struct brcmfmac_sdio_platform_data *brcmfmac_sdio_pdata;
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bool
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brcmf_pm_resume_error(struct brcmf_sdio_dev *sdiodev)
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{
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bool is_err = false;
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#ifdef CONFIG_PM_SLEEP
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is_err = atomic_read(&sdiodev->suspend);
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#endif
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return is_err;
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}
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void
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brcmf_pm_resume_wait(struct brcmf_sdio_dev *sdiodev, wait_queue_head_t *wq)
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{
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#ifdef CONFIG_PM_SLEEP
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int retry = 0;
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while (atomic_read(&sdiodev->suspend) && retry++ != 30)
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wait_event_timeout(*wq, false, HZ/100);
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#endif
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}
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static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev,
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uint regaddr, u8 *byte)
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{
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struct sdio_func *sdfunc = sdiodev->func[0];
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int err_ret;
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/*
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* Can only directly write to some F0 registers.
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* Handle F2 enable/disable and Abort command
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* as a special case.
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*/
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if (regaddr == SDIO_CCCR_IOEx) {
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sdfunc = sdiodev->func[2];
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if (sdfunc) {
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if (*byte & SDIO_FUNC_ENABLE_2) {
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/* Enable Function 2 */
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err_ret = sdio_enable_func(sdfunc);
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if (err_ret)
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brcmf_err("enable F2 failed:%d\n",
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err_ret);
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} else {
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/* Disable Function 2 */
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err_ret = sdio_disable_func(sdfunc);
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if (err_ret)
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brcmf_err("Disable F2 failed:%d\n",
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err_ret);
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}
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} else {
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err_ret = -ENOENT;
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}
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} else if ((regaddr == SDIO_CCCR_ABORT) ||
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(regaddr == SDIO_CCCR_IENx)) {
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sdfunc = kmemdup(sdiodev->func[0], sizeof(struct sdio_func),
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GFP_KERNEL);
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if (!sdfunc)
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return -ENOMEM;
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sdfunc->num = 0;
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sdio_writeb(sdfunc, *byte, regaddr, &err_ret);
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kfree(sdfunc);
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} else if (regaddr < 0xF0) {
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brcmf_err("F0 Wr:0x%02x: write disallowed\n", regaddr);
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err_ret = -EPERM;
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} else {
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sdio_f0_writeb(sdfunc, *byte, regaddr, &err_ret);
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}
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return err_ret;
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}
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int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, uint func,
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uint regaddr, u8 *byte)
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{
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int err_ret;
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brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x\n", rw, func, regaddr);
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brcmf_pm_resume_wait(sdiodev, &sdiodev->request_byte_wait);
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if (brcmf_pm_resume_error(sdiodev))
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return -EIO;
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if (rw && func == 0) {
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/* handle F0 separately */
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err_ret = brcmf_sdioh_f0_write_byte(sdiodev, regaddr, byte);
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} else {
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if (rw) /* CMD52 Write */
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sdio_writeb(sdiodev->func[func], *byte, regaddr,
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&err_ret);
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else if (func == 0) {
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*byte = sdio_f0_readb(sdiodev->func[func], regaddr,
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&err_ret);
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} else {
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*byte = sdio_readb(sdiodev->func[func], regaddr,
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&err_ret);
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}
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}
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if (err_ret) {
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/*
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* SleepCSR register access can fail when
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* waking up the device so reduce this noise
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* in the logs.
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*/
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if (regaddr != SBSDIO_FUNC1_SLEEPCSR)
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brcmf_err("Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
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rw ? "write" : "read", func, regaddr, *byte,
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err_ret);
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else
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brcmf_dbg(SDIO, "Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
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rw ? "write" : "read", func, regaddr, *byte,
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err_ret);
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}
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return err_ret;
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}
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int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev,
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uint rw, uint func, uint addr, u32 *word,
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uint nbytes)
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{
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int err_ret = -EIO;
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if (func == 0) {
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brcmf_err("Only CMD52 allowed to F0\n");
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return -EINVAL;
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}
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brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n",
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rw, func, addr, nbytes);
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brcmf_pm_resume_wait(sdiodev, &sdiodev->request_word_wait);
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if (brcmf_pm_resume_error(sdiodev))
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return -EIO;
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if (rw) { /* CMD52 Write */
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if (nbytes == 4)
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sdio_writel(sdiodev->func[func], *word, addr,
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&err_ret);
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else if (nbytes == 2)
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sdio_writew(sdiodev->func[func], (*word & 0xFFFF),
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addr, &err_ret);
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else
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brcmf_err("Invalid nbytes: %d\n", nbytes);
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} else { /* CMD52 Read */
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if (nbytes == 4)
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*word = sdio_readl(sdiodev->func[func], addr, &err_ret);
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else if (nbytes == 2)
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*word = sdio_readw(sdiodev->func[func], addr,
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&err_ret) & 0xFFFF;
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else
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brcmf_err("Invalid nbytes: %d\n", nbytes);
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}
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if (err_ret)
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brcmf_err("Failed to %s word, Err: 0x%08x\n",
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rw ? "write" : "read", err_ret);
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return err_ret;
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}
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static int brcmf_sdioh_get_cisaddr(struct brcmf_sdio_dev *sdiodev, u32 regaddr)
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{
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/* read 24 bits and return valid 17 bit addr */
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@ -1042,10 +974,7 @@ static int brcmf_sdioh_enablefuncs(struct brcmf_sdio_dev *sdiodev)
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return false;
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}
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/*
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* Public entry points & extern's
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*/
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int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev)
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static int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev)
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{
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int err_ret = 0;
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struct mmc_host *host;
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@ -1092,7 +1021,7 @@ out:
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return err_ret;
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}
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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;
|
||||
|
||||
@ -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_ */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user