/**
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* aicwf_sdmmc.c
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*
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* SDIO function declarations
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*
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* Copyright (C) AICSemi 2018-2020
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*/
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#include <linux/interrupt.h>
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#include <linux/completion.h>
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#include <linux/mmc/sdio.h>
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#include <linux/mmc/sdio_ids.h>
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#include <linux/mmc/sdio_func.h>
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#include <linux/mmc/card.h>
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#include <linux/mmc/host.h>
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#include <linux/semaphore.h>
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#include <linux/debugfs.h>
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#include <linux/kthread.h>
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#include "aicwf_txrxif.h"
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#include "aicwf_sdio.h"
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#include "sdio_host.h"
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#include "rwnx_defs.h"
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#include "rwnx_platform.h"
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#include "aicwf_rx_prealloc.h"
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
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#include <linux/pm_wakeirq.h>
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#else
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#include <linux/pm_wakeup.h>
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#endif
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#include "rwnx_wakelock.h"
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#ifdef CONFIG_INGENIC_T20
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#include "mach/jzmmc.h"
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#endif /* CONFIG_INGENIC_T20 */
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#ifdef CONFIG_PLATFORM_ROCKCHIP
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#include <linux/rfkill-wlan.h>
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#endif
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#ifdef CONFIG_PLATFORM_ROCKCHIP2
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#include <linux/rfkill-wlan.h>
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#endif
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#include "aic_bsp_export.h"
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extern uint8_t scanning;
|
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#ifdef CONFIG_GPIO_WAKEUP
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extern int rwnx_send_me_set_lp_level(struct rwnx_hw *rwnx_hw, u8 lp_level);
|
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#ifdef CONFIG_WIFI_SUSPEND_FOR_LINUX
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#include <linux/proc_fs.h>
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void rwnx_init_wifi_suspend_node(void);
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void rwnx_deinit_wifi_suspend_node(void);
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void rwnx_set_wifi_suspend(char onoff);
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struct proc_dir_entry *wifi_suspend_node;
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#endif//CONFIG_WIFI_SUSPEND_FOR_LINUX
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#endif//CONFIG_GPIO_WAKEUP
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int tx_aggr_counter = 32;
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module_param_named(tx_aggr_counter, tx_aggr_counter, int, 0644);
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|
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int aicwf_sdio_readb(struct aic_sdio_dev *sdiodev, uint regaddr, u8 *val)
|
{
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int ret;
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sdio_claim_host(sdiodev->func);
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*val = sdio_readb(sdiodev->func, regaddr, &ret);
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sdio_release_host(sdiodev->func);
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return ret;
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}
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int aicwf_sdio_writeb(struct aic_sdio_dev *sdiodev, uint regaddr, u8 val)
|
{
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int ret;
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sdio_claim_host(sdiodev->func);
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sdio_writeb(sdiodev->func, val, regaddr, &ret);
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sdio_release_host(sdiodev->func);
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return ret;
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}
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int aicwf_sdio_flow_ctrl_msg(struct aic_sdio_dev *sdiodev)
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{
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int ret = -1;
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u8 fc_reg = 0;
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u32 count = 0;
|
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while (true) {
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ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.flow_ctrl_reg, &fc_reg);
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if (ret) {
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return -1;
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}
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if (sdiodev->chipid == PRODUCT_ID_AIC8801 || sdiodev->chipid == PRODUCT_ID_AIC8800DC ||
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sdiodev->chipid == PRODUCT_ID_AIC8800DW) {
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fc_reg = fc_reg & SDIOWIFI_FLOWCTRL_MASK_REG;
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}
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if (fc_reg != 0) {
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ret = fc_reg;
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if(ret > tx_aggr_counter){
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ret = tx_aggr_counter;
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}
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return ret;
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} else {
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if (count >= FLOW_CTRL_RETRY_COUNT) {
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ret = -fc_reg;
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break;
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}
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count++;
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if (count < 30)
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udelay(200);
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else if(count < 40)
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msleep(2);
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else
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msleep(10);
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}
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}
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return ret;
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}
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|
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int aicwf_sdio_flow_ctrl(struct aic_sdio_dev *sdiodev)
|
{
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int ret = -1;
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u8 fc_reg = 0;
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u32 count = 0;
|
|
while (true) {
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ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.flow_ctrl_reg, &fc_reg);
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if (ret) {
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return -1;
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}
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if (sdiodev->chipid == PRODUCT_ID_AIC8801 || sdiodev->chipid == PRODUCT_ID_AIC8800DC ||
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sdiodev->chipid == PRODUCT_ID_AIC8800DW) {
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fc_reg = fc_reg & SDIOWIFI_FLOWCTRL_MASK_REG;
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}
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if (fc_reg > DATA_FLOW_CTRL_THRESH) {
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ret = fc_reg;
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if(ret > tx_aggr_counter){
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ret = tx_aggr_counter;
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}
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return ret;
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} else {
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if (count >= FLOW_CTRL_RETRY_COUNT) {
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ret = -fc_reg;
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break;
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}
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count++;
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if (count < 30)
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udelay(200);
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else if(count < 40)
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msleep(2);
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else
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msleep(10);
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}
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}
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return ret;
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}
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|
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int aicwf_sdio_send_pkt(struct aic_sdio_dev *sdiodev, u8 *buf, uint count)
|
{
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int ret = 0;
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sdio_claim_host(sdiodev->func);
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ret = sdio_writesb(sdiodev->func, sdiodev->sdio_reg.wr_fifo_addr, buf, count);
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sdio_release_host(sdiodev->func);
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return ret;
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}
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#ifdef CONFIG_PREALLOC_RX_SKB
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int aicwf_sdio_recv_pkt(struct aic_sdio_dev *sdiodev, struct rx_buff *rxbuff,
|
u32 size)
|
{
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int ret;
|
|
if ((!rxbuff->data) || (!size)) {
|
return -EINVAL;;
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}
|
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sdio_claim_host(sdiodev->func);
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ret = sdio_readsb(sdiodev->func, rxbuff->data, sdiodev->sdio_reg.rd_fifo_addr, size);
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sdio_release_host(sdiodev->func);
|
|
if (ret < 0) {
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return ret;
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}
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rxbuff->len = size;
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return ret;
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}
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#else
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int aicwf_sdio_recv_pkt(struct aic_sdio_dev *sdiodev, struct sk_buff *skbbuf,
|
u32 size)
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{
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int ret;
|
|
if ((!skbbuf) || (!size)) {
|
return -EINVAL;;
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}
|
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sdio_claim_host(sdiodev->func);
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ret = sdio_readsb(sdiodev->func, skbbuf->data, sdiodev->sdio_reg.rd_fifo_addr, size);
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sdio_release_host(sdiodev->func);
|
|
if (ret < 0) {
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return ret;
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}
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skbbuf->len = size;
|
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return ret;
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}
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#endif
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|
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#ifdef CONFIG_GPIO_WAKEUP
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static int wakeup_enable;
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static u32 hostwake_irq_num;
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#endif//CONFIG_GPIO_WAKEUP
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)//LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0)
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//static struct wakeup_source *ws_rx_sdio;
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//static struct wakeup_source *ws_sdio_pwrctrl;
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//static struct wakeup_source *ws_tx_sdio;
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#ifdef CONFIG_GPIO_WAKEUP
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//static struct wakeup_source *ws;
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#endif
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#else
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#ifdef ANDROID_PLATFORM
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#ifdef CONFIG_GPIO_WAKEUP
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#include <linux/wakelock.h>
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static struct wake_lock irq_wakelock;
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//struct wake_lock irq_wakelock;
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#endif//CONFIG_GPIO_WAKEUP
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#endif//ANDROID_PLATFORM
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#endif
|
|
#ifdef CONFIG_PLATFORM_ALLWINNER
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0)
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extern int sunxi_wlan_get_oob_irq(int *, int *);
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#else
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extern int sunxi_wlan_get_oob_irq(void);
|
extern int sunxi_wlan_get_oob_irq_flags(void);
|
#endif
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#endif// CONFIG_PLATFORM_ALLWINNER
|
|
#if 0
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
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static struct wakeup_source *ws;
|
#else
|
#ifdef ANDROID_PLATFORM
|
#ifdef CONFIG_GPIO_WAKEUP
|
#include <linux/wakelock.h>
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static struct wake_lock irq_wakelock;
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#endif//CONFIG_GPIO_WAKEUP
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#endif//ANDROID_PLATFORM
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#endif
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#endif
|
|
#if 0
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void rwnx_pm_stay_awake(struct aic_sdio_dev *sdiodev){
|
|
#ifdef CONFIG_GPIO_WAKEUP
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spin_lock_bh(&sdiodev->wslock);
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|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 19, 0)
|
if(ws != NULL){
|
__pm_stay_awake(ws);
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AICWFDBG(LOGWAKELOCK, "%s active_count:%d relax_count:%d\r\n", __func__, (int)ws->active_count, (int)ws->relax_count);
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}
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#else
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#ifdef ANDROID_PLATFORM
|
#ifdef CONFIG_GPIO_WAKEUP
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wake_lock(&irq_wakelock);
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#endif //CONFIG_GPIO_WAKEUP
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#endif //ANDROID_PLATFORM
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#endif
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spin_unlock_bh(&sdiodev->wslock);
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#endif
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}
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void rwnx_pm_relax(struct aic_sdio_dev *sdiodev){
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|
#ifdef CONFIG_GPIO_WAKEUP
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spin_lock_bh(&sdiodev->wslock);
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|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 19, 0)
|
if(ws != NULL){
|
__pm_relax(ws);
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AICWFDBG(LOGWAKELOCK, "%s active_count:%d relax_count:%d\r\n", __func__, (int)ws->active_count, (int)ws->relax_count);
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}
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#else
|
#ifdef ANDROID_PLATFORM
|
#ifdef CONFIG_GPIO_WAKEUP
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wake_unlock(&irq_wakelock);
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#endif //CONFIG_GPIO_WAKEUP
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#endif //ANDROID_PLATFORM
|
#endif
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spin_unlock_bh(&sdiodev->wslock);
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#endif
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}
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#endif
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|
|
#ifdef CONFIG_GPIO_WAKEUP
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|
void rwnx_set_wifi_suspend(char onoff);
|
|
|
static irqreturn_t rwnx_hostwake_irq_handler(int irq, void *para)
|
{
|
static int wake_cnt;
|
wake_cnt++;
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|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
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rwnx_wakeup_lock_timeout(g_rwnx_plat->sdiodev->rwnx_hw->ws_rx, 1000);
|
#else
|
#ifdef ANDROID_PLATFORM
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wake_lock_timeout(&irq_wakelock, HZ);
|
#endif //ANDROID_PLATFORM
|
#endif
|
|
AICWFDBG(LOGIRQ, "%s(%d): wake_irq_cnt = %d\n", __func__, __LINE__, wake_cnt);
|
|
#ifdef CONFIG_OOB
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#if 0//old oob feature
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complete(&g_rwnx_plat->sdiodev->bus_if->busrx_trgg);
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#else//new oob feature
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if(g_rwnx_plat->sdiodev->oob_enable){
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complete(&g_rwnx_plat->sdiodev->bus_if->busirq_trgg);
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}
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#endif//old oob feature
|
#endif
|
|
return IRQ_HANDLED;
|
}
|
#endif//CONFIG_GPIO_WAKEUP
|
|
#ifdef CONFIG_GPIO_WAKEUP
|
static int rwnx_disable_hostwake_irq(void);
|
static int rwnx_enable_hostwake_irq(void);
|
#endif
|
|
static int rwnx_register_hostwake_irq(struct device *dev)
|
{
|
int ret = 0;//-1;
|
#ifdef CONFIG_GPIO_WAKEUP
|
unsigned long flag_edge;
|
struct aicbsp_feature_t aicwf_feature;
|
int irq_flags;
|
//TODO hostwake_irq_num hostwake_irq_num and wakeup_enable
|
|
aicbsp_get_feature(&aicwf_feature, NULL);
|
if (aicwf_feature.irqf == 0)
|
flag_edge = IRQF_TRIGGER_RISING | IRQF_NO_SUSPEND;
|
else
|
flag_edge = IRQF_TRIGGER_FALLING | IRQF_NO_SUSPEND;
|
|
|
#ifdef CONFIG_PLATFORM_ALLWINNER
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0)
|
hostwake_irq_num = sunxi_wlan_get_oob_irq(&irq_flags, &wakeup_enable);
|
#else
|
hostwake_irq_num = sunxi_wlan_get_oob_irq();
|
irq_flags = sunxi_wlan_get_oob_irq_flags();
|
wakeup_enable = 1;
|
#endif
|
#endif //CONFIG_PLATFORM_ALLWINNER
|
|
//For Rockchip
|
#ifdef CONFIG_PLATFORM_ROCKCHIP
|
hostwake_irq_num = rockchip_wifi_get_oob_irq();
|
printk("%s hostwake_irq_num:%d \r\n", __func__, hostwake_irq_num);
|
irq_flags = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL | IORESOURCE_IRQ_SHAREABLE) & IRQF_TRIGGER_MASK;
|
printk("%s irq_flags:%d \r\n", __func__, irq_flags);
|
wakeup_enable = 1;
|
#endif //CONFIG_PLATFORM_ROCKCHIP
|
//For Rockchip
|
#ifdef CONFIG_PLATFORM_ROCKCHIP2
|
hostwake_irq_num = rockchip_wifi_get_oob_irq();
|
printk("%s hostwake_irq_num:%d \r\n", __func__, hostwake_irq_num);
|
irq_flags = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL | IORESOURCE_IRQ_SHAREABLE) & IRQF_TRIGGER_MASK;
|
printk("%s irq_flags:%d \r\n", __func__, irq_flags);
|
wakeup_enable = 1;
|
#endif //CONFIG_PLATFORM_ROCKCHIP
|
|
|
|
if (wakeup_enable) {
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
|
//ws = wakeup_source_register(dev, "wifisleep");
|
//ws_tx_sdio = wakeup_source_register(dev, "wifi_tx_sleep");
|
//ws_rx_sdio = wakeup_source_register(dev, "wifi_rx_sleep");
|
//ws_sdio_pwrctrl = wakeup_source_register(dev, "sdio_pwrctrl_sleep");
|
#else
|
wake_lock_init(&irq_wakelock, WAKE_LOCK_SUSPEND, "wifisleep");
|
#endif
|
ret = device_init_wakeup(dev, true);
|
if (ret < 0) {
|
pr_err("%s(%d): device init wakeup failed!\n", __func__, __LINE__);
|
return ret;
|
}
|
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
|
ret = dev_pm_set_wake_irq(dev, hostwake_irq_num);
|
#endif
|
if (ret < 0) {
|
pr_err("%s(%d): can't enable wakeup src!\n", __func__, __LINE__);
|
goto fail1;
|
}
|
|
ret = request_irq(hostwake_irq_num, rwnx_hostwake_irq_handler, flag_edge, "rwnx_hostwake_irq", NULL);
|
|
if (ret < 0) {
|
pr_err("%s(%d): request_irq fail! ret = %d\n", __func__, __LINE__, ret);
|
goto fail2;
|
}
|
}
|
//disable_irq(hostwake_irq_num);
|
rwnx_disable_hostwake_irq();
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
|
dev_pm_clear_wake_irq(dev);
|
#endif
|
rwnx_enable_hostwake_irq();
|
AICWFDBG(LOGINFO, "%s(%d)\n", __func__, __LINE__);
|
return ret;
|
|
fail2:
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
|
dev_pm_clear_wake_irq(dev);
|
#endif
|
fail1:
|
device_init_wakeup(dev, false);
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
|
//wakeup_source_unregister(ws);
|
//wakeup_source_unregister(ws_tx_sdio);
|
//wakeup_source_unregister(ws_rx_sdio);
|
//wakeup_source_unregister(ws_sdio_pwrctrl);
|
#else
|
wake_lock_destroy(&irq_wakelock);
|
#endif
|
#endif//CONFIG_GPIO_WAKEUP
|
return ret;
|
}
|
|
static int rwnx_unregister_hostwake_irq(struct device *dev)
|
{
|
#ifdef CONFIG_GPIO_WAKEUP
|
rwnx_disable_hostwake_irq();
|
if (wakeup_enable) {
|
device_init_wakeup(dev, false);
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
|
dev_pm_clear_wake_irq(dev);
|
#else
|
AICWFDBG(LOGERROR, "%s kernel unsupport this feature!\r\n", __func__);
|
#endif
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
|
//wakeup_source_unregister(ws);
|
//wakeup_source_unregister(ws_tx_sdio);
|
//wakeup_source_unregister(ws_rx_sdio);
|
//wakeup_source_unregister(ws_sdio_pwrctrl);
|
#else
|
#ifdef ANDROID_PLATFORM
|
wake_lock_destroy(&irq_wakelock);
|
#endif //ANDROID_PLATFORM
|
#endif
|
}
|
free_irq(hostwake_irq_num, NULL);
|
#endif//CONFIG_GPIO_WAKEUP
|
AICWFDBG(LOGINFO, "%s(%d)\n", __func__, __LINE__);
|
return 0;
|
}
|
|
#ifdef CONFIG_GPIO_WAKEUP
|
static int rwnx_enable_hostwake_irq(void)
|
{
|
#ifdef CONFIG_GPIO_WAKEUP
|
enable_irq(hostwake_irq_num);
|
enable_irq_wake(hostwake_irq_num);
|
#endif//CONFIG_GPIO_WAKEUP
|
AICWFDBG(LOGINFO, "%s(%d)\n", __func__, __LINE__);
|
return 0;
|
}
|
|
static int rwnx_disable_hostwake_irq(void)
|
{
|
AICWFDBG(LOGINFO, "%s(%d)\n", __func__, __LINE__);
|
#ifdef CONFIG_GPIO_WAKEUP
|
disable_irq_nosync(hostwake_irq_num);
|
//disable_irq_wake(hostwake_irq_num);
|
//disable_irq(hostwake_irq_num);
|
#endif//CONFIG_GPIO_WAKEUP
|
return 0;
|
}
|
#endif
|
|
static int aicwf_sdio_chipmatch(struct aic_sdio_dev *sdio_dev, u16_l vid, u16_l did){
|
|
if(vid == SDIO_VENDOR_ID_AIC8801 && did == SDIO_DEVICE_ID_AIC8801){
|
sdio_dev->chipid = PRODUCT_ID_AIC8801;
|
AICWFDBG(LOGINFO, "%s USE AIC8801\r\n", __func__);
|
return 0;
|
}else if(vid == SDIO_VENDOR_ID_AIC8800DC && did == SDIO_DEVICE_ID_AIC8800DC){
|
sdio_dev->chipid = PRODUCT_ID_AIC8800DC;
|
AICWFDBG(LOGINFO, "%s USE AIC8800DC\r\n", __func__);
|
return 0;
|
}else if(vid == SDIO_VENDOR_ID_AIC8800D80 && did == SDIO_DEVICE_ID_AIC8800D80){
|
sdio_dev->chipid = PRODUCT_ID_AIC8800D80;
|
AICWFDBG(LOGINFO, "%s USE AIC8800D80\r\n", __func__);
|
return 0;
|
}else{
|
return -1;
|
}
|
}
|
|
|
extern int rwnx_send_me_set_lp_level(struct rwnx_hw *rwnx_hw, u8 lp_level);
|
|
static int aicwf_sdio_probe(struct sdio_func *func,
|
const struct sdio_device_id *id)
|
{
|
struct mmc_host *host;
|
struct aic_sdio_dev *sdiodev;
|
struct aicwf_bus *bus_if;
|
int err = -ENODEV;
|
|
AICWFDBG(LOGDEBUG, "%s:%d\n", __func__, func->num);
|
AICWFDBG(LOGDEBUG, "Class=%x\n", func->class);
|
AICWFDBG(LOGDEBUG, "sdio vendor ID: 0x%04x\n", func->vendor);
|
AICWFDBG(LOGDEBUG, "sdio device ID: 0x%04x\n", func->device);
|
AICWFDBG(LOGDEBUG, "Function#: %d\n", func->num);
|
|
host = func->card->host;
|
if (func->num != 1) {
|
return err;
|
}
|
|
bus_if = kzalloc(sizeof(struct aicwf_bus), GFP_KERNEL);
|
if (!bus_if) {
|
sdio_err("alloc bus fail\n");
|
return -ENOMEM;
|
}
|
|
sdiodev = kzalloc(sizeof(struct aic_sdio_dev), GFP_KERNEL);
|
if (!sdiodev) {
|
sdio_err("alloc sdiodev fail\n");
|
kfree(bus_if);
|
return -ENOMEM;
|
}
|
|
|
err = aicwf_sdio_chipmatch(sdiodev, func->vendor, func->device);
|
|
sdiodev->func = func;
|
sdiodev->bus_if = bus_if;
|
|
#ifdef CONFIG_OOB
|
if(sdiodev->chipid == PRODUCT_ID_AIC8801){
|
AICWFDBG(LOGERROR, "%s ERROR!!! 8801 not support OOB \r\n", __func__);
|
sdiodev->oob_enable = false;
|
}else{
|
sdiodev->oob_enable = true;
|
}
|
#else
|
sdiodev->oob_enable = false;
|
#endif
|
|
atomic_set(&sdiodev->is_bus_suspend, 0);
|
bus_if->bus_priv.sdio = sdiodev;
|
|
dev_set_drvdata(&func->dev, bus_if);
|
sdiodev->dev = &func->dev;
|
|
//sdio func init start
|
if (sdiodev->chipid != PRODUCT_ID_AIC8800D80) {
|
err = aicwf_sdio_func_init(sdiodev);
|
} else {
|
err = aicwf_sdiov3_func_init(sdiodev);
|
}
|
if (err < 0) {
|
sdio_err("sdio func init fail\n");
|
goto fail;
|
}
|
//sdio func init end
|
|
if (aicwf_sdio_bus_init(sdiodev) == NULL) {
|
sdio_err("sdio bus init fail\n");
|
err = -1;
|
goto fail;
|
}
|
|
host->caps |= MMC_CAP_NONREMOVABLE;
|
aicwf_rwnx_sdio_platform_init(sdiodev);
|
aicwf_hostif_ready();
|
err = rwnx_register_hostwake_irq(sdiodev->dev);
|
if (err != 0)
|
return err;
|
|
#ifdef CONFIG_GPIO_WAKEUP
|
#ifdef CONFIG_OOB
|
if(sdiodev->oob_enable){
|
AICWFDBG(LOGINFO, "%s SDIOWIFI_INTR_CONFIG_REG Disable\n", __func__);
|
sdio_claim_host(sdiodev->func);
|
//disable sdio interrupt
|
err = aicwf_sdio_writeb(sdiodev, SDIOWIFI_INTR_CONFIG_REG, 0x0);
|
if (err < 0) {
|
sdio_err("reg:%d write failed!\n", SDIOWIFI_INTR_CONFIG_REG);
|
}
|
sdio_release_irq(sdiodev->func);
|
sdio_release_host(sdiodev->func);
|
#if 0
|
#if 0//old oob feature
|
sdiodev->oob_enable = true;
|
#else//new oob feature
|
sdiodev->oob_enable = true;
|
#endif//old oob feature
|
#endif
|
}
|
#endif
|
|
#ifdef CONFIG_WIFI_SUSPEND_FOR_LINUX
|
rwnx_init_wifi_suspend_node();
|
#endif//CONFIG_WIFI_SUSPEND_FOR_LINUX
|
#endif//CONFIG_GPIO_WAKEUP
|
device_disable_async_suspend(sdiodev->dev);
|
|
return 0;
|
fail:
|
aicwf_sdio_func_deinit(sdiodev);
|
dev_set_drvdata(&func->dev, NULL);
|
kfree(sdiodev);
|
kfree(bus_if);
|
aicwf_hostif_fail();
|
return err;
|
}
|
|
void aicwf_sdio_probe_(struct sdio_func *func,
|
const struct sdio_device_id *id){
|
aicwf_sdio_probe(func, NULL);
|
}
|
|
|
static void aicwf_sdio_remove(struct sdio_func *func)
|
{
|
struct mmc_host *host;
|
struct aicwf_bus *bus_if = NULL;
|
struct aic_sdio_dev *sdiodev = NULL;
|
|
AICWFDBG(LOGINFO, "%s Enter\n", __func__);
|
host = func->card->host;
|
host->caps &= ~MMC_CAP_NONREMOVABLE;
|
bus_if = dev_get_drvdata(&func->dev);
|
if (!bus_if) {
|
return;
|
}
|
|
sdiodev = bus_if->bus_priv.sdio;
|
if (!sdiodev) {
|
return;
|
}
|
|
sdiodev->bus_if->state = BUS_DOWN_ST;
|
aicwf_sdio_release(sdiodev);
|
aicwf_sdio_func_deinit(sdiodev);
|
rwnx_unregister_hostwake_irq(sdiodev->dev);
|
dev_set_drvdata(&sdiodev->func->dev, NULL);
|
kfree(sdiodev);
|
kfree(bus_if);
|
#ifdef CONFIG_WIFI_SUSPEND_FOR_LINUX
|
rwnx_deinit_wifi_suspend_node();
|
#endif//CONFIG_WIFI_SUSPEND_FOR_LINUX
|
AICWFDBG(LOGINFO, "%s done\n", __func__);
|
}
|
|
void aicwf_sdio_remove_(struct sdio_func *func){
|
aicwf_sdio_remove(func);
|
}
|
|
static int aicwf_sdio_suspend(struct device *dev)
|
{
|
int ret = 0;
|
struct aicwf_bus *bus_if = dev_get_drvdata(dev);
|
struct aic_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
|
mmc_pm_flag_t sdio_flags;
|
struct rwnx_vif *rwnx_vif, *tmp;
|
|
sdio_dbg("%s enter\n", __func__);
|
|
list_for_each_entry_safe(rwnx_vif, tmp, &sdiodev->rwnx_hw->vifs, list) {
|
if (rwnx_vif->ndev)
|
netif_device_detach(rwnx_vif->ndev);
|
}
|
|
sdio_flags = sdio_get_host_pm_caps(sdiodev->func);
|
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
|
return -EINVAL;
|
}
|
ret = sdio_set_host_pm_flags(sdiodev->func, MMC_PM_KEEP_POWER);
|
if (ret) {
|
return ret;
|
}
|
|
|
while (sdiodev->state == SDIO_ACTIVE_ST) {
|
if (down_interruptible(&sdiodev->tx_priv->txctl_sema))
|
continue;
|
#if defined(CONFIG_SDIO_PWRCTRL)
|
aicwf_sdio_pwr_stctl(sdiodev, SDIO_SLEEP_ST);
|
#endif
|
up(&sdiodev->tx_priv->txctl_sema);
|
break;
|
}
|
#ifdef CONFIG_GPIO_WAKEUP
|
// rwnx_enable_hostwake_irq();
|
#endif
|
#if 0
|
sdio_dbg("%s SDIOWIFI_INTR_CONFIG_REG Disable\n", __func__);
|
sdio_claim_host(sdiodev->func);
|
//disable sdio interrupt
|
ret = aicwf_sdio_writeb(sdiodev, SDIOWIFI_INTR_CONFIG_REG, 0x0);
|
if (ret < 0) {
|
sdio_err("reg:%d write failed!\n", SDIOWIFI_INTR_CONFIG_REG);
|
}
|
sdio_release_irq(sdiodev->func);
|
sdio_release_host(sdiodev->func);
|
#endif
|
atomic_set(&sdiodev->is_bus_suspend, 1);
|
// smp_mb();
|
|
sdio_dbg("%s exit\n", __func__);
|
|
return 0;
|
}
|
|
static int aicwf_sdio_resume(struct device *dev)
|
{
|
struct aicwf_bus *bus_if = dev_get_drvdata(dev);
|
struct aic_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
|
struct rwnx_vif *rwnx_vif, *tmp;
|
//int ret;
|
|
sdio_dbg("%s enter \n", __func__);
|
//#ifdef CONFIG_GPIO_WAKEUP
|
// rwnx_disable_hostwake_irq();
|
//#endif
|
//dev_pm_clear_wake_irq(dev);
|
list_for_each_entry_safe(rwnx_vif, tmp, &sdiodev->rwnx_hw->vifs, list) {
|
if (rwnx_vif->ndev)
|
netif_device_attach(rwnx_vif->ndev);
|
}
|
|
#if defined(CONFIG_SDIO_PWRCTRL)
|
aicwf_sdio_pwr_stctl(sdiodev, SDIO_ACTIVE_ST);
|
#endif
|
|
#ifdef CONFIG_WIFI_SUSPEND_FOR_LINUX
|
rwnx_set_wifi_suspend('0');
|
#endif//CONFIG_WIFI_SUSPEND_FOR_LINUX
|
|
|
// aicwf_sdio_hal_irqhandler(sdiodev->func);
|
|
#if 0
|
sdio_dbg("%s SDIOWIFI_INTR_CONFIG_REG Enable\n", __func__);
|
sdio_claim_host(sdiodev->func);
|
sdio_claim_irq(sdiodev->func, aicwf_sdio_hal_irqhandler);
|
|
//enable sdio interrupt
|
ret = aicwf_sdio_writeb(sdiodev, SDIOWIFI_INTR_CONFIG_REG, 0x07);
|
if (ret != 0)
|
sdio_err("intr register failed:%d\n", ret);
|
sdio_release_host(sdiodev->func);
|
#endif
|
atomic_set(&sdiodev->is_bus_suspend, 0);
|
// smp_mb();
|
|
sdio_dbg("%s exit\n", __func__);
|
return 0;
|
}
|
|
static const struct sdio_device_id aicwf_sdmmc_ids[] = {
|
{SDIO_DEVICE(SDIO_VENDOR_ID_AIC8801, SDIO_DEVICE_ID_AIC8801)},
|
{SDIO_DEVICE(SDIO_VENDOR_ID_AIC8800DC, SDIO_DEVICE_ID_AIC8800DC)},
|
{SDIO_DEVICE(SDIO_VENDOR_ID_AIC8800D80, SDIO_DEVICE_ID_AIC8800D80)},
|
{ },
|
};
|
|
MODULE_DEVICE_TABLE(sdio, aicwf_sdmmc_ids);
|
|
static const struct dev_pm_ops aicwf_sdio_pm_ops = {
|
SET_SYSTEM_SLEEP_PM_OPS(aicwf_sdio_suspend, aicwf_sdio_resume)
|
};
|
|
#ifndef CONFIG_FDRV_NO_REG_SDIO
|
static struct sdio_driver aicwf_sdio_driver = {
|
.probe = aicwf_sdio_probe,
|
.remove = aicwf_sdio_remove,
|
.name = AICWF_SDIO_NAME,
|
.id_table = aicwf_sdmmc_ids,
|
.drv = {
|
.pm = &aicwf_sdio_pm_ops,
|
},
|
};
|
#endif
|
|
#if 0
|
#ifdef CONFIG_NANOPI_M4
|
extern int mmc_rescan_try_freq(struct mmc_host *host, unsigned freq);
|
extern unsigned aic_max_freqs;
|
extern struct mmc_host *aic_host_drv;
|
extern int __mmc_claim_host(struct mmc_host *host, atomic_t *abort);
|
extern void mmc_release_host(struct mmc_host *host);
|
#endif
|
#endif
|
|
#ifdef CONFIG_FDRV_NO_REG_SDIO
|
extern struct sdio_func *get_sdio_func(void);
|
void aicwf_sdio_probe_(struct sdio_func *func, const struct sdio_device_id *id);
|
void aicwf_sdio_remove_(struct sdio_func *func);
|
#endif
|
|
void aicwf_sdio_register(void)
|
{
|
#if 0
|
#ifdef CONFIG_PLATFORM_NANOPI
|
extern_wifi_set_enable(0);
|
mdelay(200);
|
extern_wifi_set_enable(1);
|
mdelay(200);
|
sdio_reinit();
|
#endif /*CONFIG_PLATFORM_NANOPI*/
|
|
#ifdef CONFIG_PLATFORM_ROCKCHIP
|
rockchip_wifi_power(0);
|
mdelay(200);
|
rockchip_wifi_power(1);
|
mdelay(200);
|
rockchip_wifi_set_carddetect(1);
|
#endif /*CONFIG_PLATFORM_ROCKCHIP*/
|
|
#ifdef CONFIG_INGENIC_T20
|
jzmmc_manual_detect(1, 1);
|
#endif /* CONFIG_INGENIC_T20 */
|
|
|
#ifdef CONFIG_NANOPI_M4
|
if (aic_host_drv->card == NULL) {
|
__mmc_claim_host(aic_host_drv, NULL);
|
printk("aic: >>>mmc_rescan_try_freq\n");
|
mmc_rescan_try_freq(aic_host_drv, aic_max_freqs);
|
mmc_release_host(aic_host_drv);
|
}
|
#endif
|
#endif
|
|
|
#ifndef CONFIG_FDRV_NO_REG_SDIO
|
if (sdio_register_driver(&aicwf_sdio_driver)) {
|
|
} else {
|
//may add mmc_rescan here
|
}
|
#else
|
aicwf_sdio_probe_(get_sdio_func(), NULL);
|
#endif
|
}
|
|
void aicwf_sdio_exit(void)
|
{
|
if (g_rwnx_plat && g_rwnx_plat->enabled){
|
rwnx_platform_deinit(g_rwnx_plat->sdiodev->rwnx_hw);
|
}else{
|
AICWFDBG(LOGERROR, "%s g_rwnx_plat is not ready \r\n", __func__);
|
}
|
|
udelay(500);
|
|
#ifndef CONFIG_FDRV_NO_REG_SDIO
|
sdio_unregister_driver(&aicwf_sdio_driver);
|
#else
|
aicwf_sdio_remove_(get_sdio_func());
|
#endif
|
|
#if 0
|
#ifdef CONFIG_PLATFORM_AMLOGIC
|
extern_wifi_set_enable(0);
|
#endif /*CONFIG_PLATFORM_AMLOGIC*/
|
#endif
|
|
#if 0
|
#ifdef CONFIG_PLATFORM_ROCKCHIP
|
rockchip_wifi_set_carddetect(0);
|
mdelay(200);
|
rockchip_wifi_power(0);
|
mdelay(200);
|
#endif /*CONFIG_PLATFORM_ROCKCHIP*/
|
#endif
|
|
if(g_rwnx_plat){
|
kfree(g_rwnx_plat);
|
}
|
}
|
|
#if defined(CONFIG_SDIO_PWRCTRL)
|
int aicwf_sdio_wakeup(struct aic_sdio_dev *sdiodev)
|
{
|
int ret = 0;
|
int read_retry;
|
int write_retry = 20;
|
int wakeup_reg_val;
|
|
if (sdiodev->chipid == PRODUCT_ID_AIC8801 ||
|
sdiodev->chipid == PRODUCT_ID_AIC8800DC ||
|
sdiodev->chipid == PRODUCT_ID_AIC8800DW) {
|
wakeup_reg_val = 1;
|
} else if (sdiodev->chipid == PRODUCT_ID_AIC8800D80) {
|
wakeup_reg_val = 0x11;
|
}
|
|
if (sdiodev->state == SDIO_SLEEP_ST) {
|
AICWFDBG(LOGSDPWRC, "%s w\n", __func__);
|
|
//rwnx_pm_stay_awake(sdiodev);
|
|
while (write_retry) {
|
ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.wakeup_reg, wakeup_reg_val);
|
if (ret) {
|
txrx_err("sdio wakeup fail\n");
|
ret = -1;
|
} else {
|
read_retry = 10;
|
while (read_retry) {
|
u8 val;
|
ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.sleep_reg, &val);
|
if (ret < 0)
|
txrx_err("sdio wakeup read fail\n");
|
else if (val & 0x10) {
|
break;
|
}
|
read_retry--;
|
udelay(200);
|
}
|
if (read_retry != 0)
|
break;
|
}
|
sdio_dbg("write retry: %d \n", write_retry);
|
write_retry--;
|
udelay(100);
|
}
|
|
sdiodev->state = SDIO_ACTIVE_ST;
|
aicwf_sdio_pwrctl_timer(sdiodev, sdiodev->active_duration);
|
}
|
return ret;
|
}
|
|
int aicwf_sdio_sleep_allow(struct aic_sdio_dev *sdiodev)
|
{
|
int ret = 0;
|
struct aicwf_bus *bus_if = sdiodev->bus_if;
|
struct rwnx_hw *rwnx_hw = sdiodev->rwnx_hw;
|
|
if (bus_if->state == BUS_DOWN_ST) {
|
ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.sleep_reg, 0x10);
|
if (ret) {
|
sdio_err("Write sleep fail!\n");
|
}
|
aicwf_sdio_pwrctl_timer(sdiodev, 0);
|
return ret;
|
}
|
|
sdio_info("sleep: %d, %d\n", sdiodev->state, scanning);
|
if (sdiodev->state == SDIO_ACTIVE_ST && !scanning && !rwnx_hw->is_p2p_alive \
|
&& !rwnx_hw->is_p2p_connected) {
|
AICWFDBG(LOGSDPWRC, "%s s\n", __func__);
|
ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.sleep_reg, 0x10);
|
if (ret)
|
sdio_err("Write sleep fail!\n");
|
sdiodev->state = SDIO_SLEEP_ST;
|
aicwf_sdio_pwrctl_timer(sdiodev, 0);
|
//rwnx_pm_relax(sdiodev);
|
} else {
|
aicwf_sdio_pwrctl_timer(sdiodev, sdiodev->active_duration);
|
}
|
|
return ret;
|
}
|
|
int aicwf_sdio_pwr_stctl(struct aic_sdio_dev *sdiodev, uint target)
|
{
|
int ret = 0;
|
|
if (sdiodev->bus_if->state == BUS_DOWN_ST) {
|
return -1;
|
}
|
|
down(&sdiodev->pwrctl_wakeup_sema);
|
|
if (sdiodev->state == target) {
|
if (target == SDIO_ACTIVE_ST) {
|
aicwf_sdio_pwrctl_timer(sdiodev, sdiodev->active_duration);
|
}
|
up(&sdiodev->pwrctl_wakeup_sema);
|
return ret;
|
}
|
|
switch (target) {
|
case SDIO_ACTIVE_ST:
|
aicwf_sdio_wakeup(sdiodev);
|
break;
|
case SDIO_SLEEP_ST:
|
aicwf_sdio_sleep_allow(sdiodev);
|
break;
|
}
|
|
up(&sdiodev->pwrctl_wakeup_sema);
|
return ret;
|
}
|
#endif
|
|
#if 0
|
int align_param = 16;
|
module_param(align_param, int, 0660);
|
#endif
|
|
int aicwf_sdio_txpkt(struct aic_sdio_dev *sdiodev, struct sk_buff *pkt)
|
{
|
int ret = 0;
|
u8 *frame;
|
u32 len = 0;
|
struct aicwf_bus *bus_if = dev_get_drvdata(sdiodev->dev);
|
#if 0
|
int align = 0;
|
#endif
|
if (bus_if->state == BUS_DOWN_ST) {
|
sdio_dbg("tx bus is down!\n");
|
return -EINVAL;
|
}
|
|
#if 0
|
len = pkt->len;
|
len = (len + SDIOWIFI_FUNC_BLOCKSIZE - 1) / SDIOWIFI_FUNC_BLOCKSIZE * SDIOWIFI_FUNC_BLOCKSIZE;
|
|
frame = (u8*)kmalloc(sizeof(u8) * len + align_param, GFP_ATOMIC);
|
align = ((unsigned long)(frame)) & (align_param - 1);
|
memcpy(frame + (align_param - align), (u8 *) (pkt->data), len);
|
|
ret = aicwf_sdio_send_pkt(sdiodev, frame + (align_param - align), len);
|
if (ret)
|
sdio_err("aicwf_sdio_send_pkt fail%d\n", ret);
|
|
kfree(frame);
|
#endif
|
#if 1
|
frame = (u8 *) (pkt->data);
|
len = pkt->len;
|
len = (len + SDIOWIFI_FUNC_BLOCKSIZE - 1) / SDIOWIFI_FUNC_BLOCKSIZE * SDIOWIFI_FUNC_BLOCKSIZE;
|
|
ret = aicwf_sdio_send_pkt(sdiodev, pkt->data, len);
|
if (ret)
|
sdio_err("aicwf_sdio_send_pkt fail%d\n", ret);
|
#endif
|
return ret;
|
}
|
|
static int aicwf_sdio_intr_get_len_bytemode(struct aic_sdio_dev *sdiodev, u8 *byte_len)
|
{
|
int ret = 0;
|
|
if (!byte_len)
|
return -EBADE;
|
|
if (sdiodev->bus_if->state == BUS_DOWN_ST) {
|
*byte_len = 0;
|
} else {
|
ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.bytemode_len_reg, byte_len);
|
sdiodev->rx_priv->data_len = (*byte_len)*4;
|
}
|
|
return ret;
|
}
|
|
static void aicwf_sdio_bus_stop(struct device *dev)
|
{
|
struct aicwf_bus *bus_if = dev_get_drvdata(dev);
|
struct aic_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
|
int ret = 0;
|
|
#if defined(CONFIG_SDIO_PWRCTRL)
|
aicwf_sdio_pwrctl_timer(sdiodev, 0);
|
#endif
|
AICWFDBG(LOGINFO, "%s Enter\n", __func__);
|
|
bus_if->state = BUS_DOWN_ST;
|
if (sdiodev->tx_priv) {
|
ret = down_interruptible(&sdiodev->tx_priv->txctl_sema);
|
if (ret)
|
AICWFDBG(LOGERROR, "down txctl_sema fail\n");
|
}
|
|
#if defined(CONFIG_SDIO_PWRCTRL)
|
aicwf_sdio_pwr_stctl(sdiodev, SDIO_SLEEP_ST);
|
#endif
|
|
if (sdiodev->tx_priv) {
|
if (!ret)
|
up(&sdiodev->tx_priv->txctl_sema);
|
aicwf_frame_queue_flush(&sdiodev->tx_priv->txq);
|
}
|
AICWFDBG(LOGINFO, "%s Exit \n", __func__);
|
}
|
|
#ifdef CONFIG_PREALLOC_RX_SKB
|
struct rx_buff *aicwf_sdio_readframes(struct aic_sdio_dev *sdiodev)
|
{
|
int ret = 0;
|
u32 size = 0;
|
struct aicwf_bus *bus_if = dev_get_drvdata(sdiodev->dev);
|
struct rx_buff* rxbuff;
|
|
if (bus_if->state == BUS_DOWN_ST) {
|
sdio_dbg("bus down\n");
|
return NULL;
|
}
|
|
size = sdiodev->rx_priv->data_len;
|
rxbuff = aicwf_prealloc_rxbuff_alloc(&sdiodev->rx_priv->rxbuff_lock);
|
if (rxbuff == NULL) {
|
printk("failed to alloc rxbuff\n");
|
return NULL;
|
}
|
rxbuff->len = 0;
|
rxbuff->start = rxbuff->data;
|
rxbuff->read = rxbuff->start;
|
rxbuff->end = rxbuff->data + size;
|
|
ret = aicwf_sdio_recv_pkt(sdiodev, rxbuff, size);
|
if (ret) {
|
printk("%s %d, sdio recv pkt fail\n", __func__, __LINE__);
|
aicwf_prealloc_rxbuff_free(rxbuff, &sdiodev->rx_priv->rxbuff_lock);
|
return NULL;
|
}
|
|
return rxbuff;
|
}
|
#else
|
struct sk_buff *aicwf_sdio_readframes(struct aic_sdio_dev *sdiodev)
|
{
|
int ret = 0;
|
u32 size = 0;
|
struct sk_buff *skb = NULL;
|
struct aicwf_bus *bus_if = dev_get_drvdata(sdiodev->dev);
|
|
if (bus_if->state == BUS_DOWN_ST) {
|
sdio_dbg("bus down\n");
|
return NULL;
|
}
|
|
size = sdiodev->rx_priv->data_len;
|
skb = __dev_alloc_skb(size, GFP_KERNEL);
|
if (!skb) {
|
return NULL;
|
}
|
|
ret = aicwf_sdio_recv_pkt(sdiodev, skb, size);
|
if (ret) {
|
dev_kfree_skb(skb);
|
skb = NULL;
|
}
|
|
return skb;
|
}
|
#endif
|
|
static int aicwf_sdio_tx_msg(struct aic_sdio_dev *sdiodev)
|
{
|
int err = 0;
|
u16 len;
|
u8 *payload = sdiodev->tx_priv->cmd_buf;
|
u16 payload_len = sdiodev->tx_priv->cmd_len;
|
u8 adjust_str[4] = {0, 0, 0, 0};
|
int adjust_len = 0;
|
int buffer_cnt = 0;
|
u8 retry = 0;
|
|
len = payload_len;
|
if ((len % TX_ALIGNMENT) != 0) {
|
adjust_len = roundup(len, TX_ALIGNMENT);
|
memcpy(payload+payload_len, adjust_str, (adjust_len - len));
|
payload_len += (adjust_len - len);
|
}
|
len = payload_len;
|
|
//link tail is necessary
|
if ((len % SDIOWIFI_FUNC_BLOCKSIZE) != 0) {
|
memset(payload+payload_len, 0, TAIL_LEN);
|
payload_len += TAIL_LEN;
|
len = (payload_len/SDIOWIFI_FUNC_BLOCKSIZE + 1) * SDIOWIFI_FUNC_BLOCKSIZE;
|
} else
|
len = payload_len;
|
|
if(sdiodev->chipid == PRODUCT_ID_AIC8801 || sdiodev->chipid == PRODUCT_ID_AIC8800D80){
|
buffer_cnt = aicwf_sdio_flow_ctrl_msg(sdiodev);
|
while ((buffer_cnt <= 0 || (buffer_cnt > 0 && len > (buffer_cnt * BUFFER_SIZE))) && retry < 10) {
|
retry++;
|
buffer_cnt = aicwf_sdio_flow_ctrl_msg(sdiodev);
|
printk("buffer_cnt = %d\n", buffer_cnt);
|
}
|
}
|
down(&sdiodev->tx_priv->cmd_txsema);
|
|
if(sdiodev->chipid == PRODUCT_ID_AIC8801 || sdiodev->chipid == PRODUCT_ID_AIC8800D80){
|
if (buffer_cnt > 0 && len < (buffer_cnt * BUFFER_SIZE)) {
|
err = aicwf_sdio_send_pkt(sdiodev, payload, len);
|
if (err) {
|
sdio_err("aicwf_sdio_send_pkt fail%d\n", err);
|
}
|
} else {
|
sdio_err("tx msg fc retry fail:%d, %d\n", buffer_cnt, len);
|
up(&sdiodev->tx_priv->cmd_txsema);
|
return -1;
|
}
|
}else if(sdiodev->chipid == PRODUCT_ID_AIC8800DC){
|
err = aicwf_sdio_send_pkt(sdiodev, payload, len);
|
if (err) {
|
sdio_err("aicwf_sdio_send_pkt fail%d\n", err);
|
}
|
} else {
|
sdio_err("tx msg fc retry fail:%d, %d\n", buffer_cnt, len);
|
up(&sdiodev->tx_priv->cmd_txsema);
|
return -1;
|
}
|
|
sdiodev->tx_priv->cmd_txstate = false;
|
if (!err)
|
sdiodev->tx_priv->cmd_tx_succ = true;
|
else
|
sdiodev->tx_priv->cmd_tx_succ = false;
|
|
up(&sdiodev->tx_priv->cmd_txsema);
|
|
return err;
|
|
}
|
|
static void aicwf_sdio_tx_process(struct aic_sdio_dev *sdiodev)
|
{
|
int err = 0;
|
|
if (sdiodev->bus_if->state == BUS_DOWN_ST) {
|
sdio_err("Bus is down\n");
|
return;
|
}
|
|
#if defined(CONFIG_SDIO_PWRCTRL)
|
aicwf_sdio_pwr_stctl(sdiodev, SDIO_ACTIVE_ST);
|
#endif
|
|
//config
|
sdio_info("send cmd\n");
|
if (sdiodev->tx_priv->cmd_txstate) {
|
if (down_interruptible(&sdiodev->tx_priv->txctl_sema)) {
|
txrx_err("txctl down bus->txctl_sema fail\n");
|
return;
|
}
|
if (sdiodev->state != SDIO_ACTIVE_ST) {
|
txrx_err("state err\n");
|
up(&sdiodev->tx_priv->txctl_sema);
|
txrx_err("txctl up bus->txctl_sema fail\n");
|
return;
|
}
|
|
err = aicwf_sdio_tx_msg(sdiodev);
|
up(&sdiodev->tx_priv->txctl_sema);
|
if (waitqueue_active(&sdiodev->tx_priv->cmd_txdone_wait))
|
wake_up(&sdiodev->tx_priv->cmd_txdone_wait);
|
}
|
|
//data
|
sdio_info("send data\n");
|
if (down_interruptible(&sdiodev->tx_priv->txctl_sema)) {
|
txrx_err("txdata down bus->txctl_sema\n");
|
return;
|
}
|
|
if (sdiodev->state != SDIO_ACTIVE_ST) {
|
txrx_err("sdio state err\n");
|
up(&sdiodev->tx_priv->txctl_sema);
|
return;
|
}
|
|
if (!aicwf_is_framequeue_empty(&sdiodev->tx_priv->txq)){
|
sdiodev->tx_priv->fw_avail_bufcnt = aicwf_sdio_flow_ctrl(sdiodev);
|
}
|
while (!aicwf_is_framequeue_empty(&sdiodev->tx_priv->txq)) {
|
if(sdiodev->bus_if->state == BUS_DOWN_ST) {
|
break;
|
}
|
if (sdiodev->tx_priv->fw_avail_bufcnt <= DATA_FLOW_CTRL_THRESH) {
|
if (sdiodev->tx_priv->cmd_txstate)
|
break;
|
sdiodev->tx_priv->fw_avail_bufcnt = aicwf_sdio_flow_ctrl(sdiodev);
|
} else {
|
if (sdiodev->tx_priv->cmd_txstate) {
|
aicwf_sdio_send(sdiodev->tx_priv, 1);
|
break;
|
} else {
|
aicwf_sdio_send(sdiodev->tx_priv, 0);
|
}
|
}
|
}
|
|
up(&sdiodev->tx_priv->txctl_sema);
|
}
|
|
static int aicwf_sdio_bus_txdata(struct device *dev, struct sk_buff *pkt)
|
{
|
uint prio;
|
int ret = -EBADE;
|
struct rwnx_txhdr *txhdr = NULL;
|
int headroom = 0;
|
struct aicwf_bus *bus_if = dev_get_drvdata(dev);
|
struct aic_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
|
|
if (bus_if->state == BUS_DOWN_ST) {
|
sdio_err("bus_if stopped\n");
|
txhdr = (struct rwnx_txhdr *)pkt->data;
|
headroom = txhdr->sw_hdr->headroom;
|
kmem_cache_free(txhdr->sw_hdr->rwnx_vif->rwnx_hw->sw_txhdr_cache, txhdr->sw_hdr);
|
skb_pull(pkt, headroom);
|
consume_skb(pkt);
|
return -1;
|
}
|
|
prio = (pkt->priority & 0x7);
|
spin_lock_bh(&sdiodev->tx_priv->txqlock);
|
if (!aicwf_frame_enq(sdiodev->dev, &sdiodev->tx_priv->txq, pkt, prio)) {
|
txhdr = (struct rwnx_txhdr *)pkt->data;
|
headroom = txhdr->sw_hdr->headroom;
|
kmem_cache_free(txhdr->sw_hdr->rwnx_vif->rwnx_hw->sw_txhdr_cache, txhdr->sw_hdr);
|
skb_pull(pkt, headroom);
|
consume_skb(pkt);
|
spin_unlock_bh(&sdiodev->tx_priv->txqlock);
|
return -ENOSR;
|
} else {
|
ret = 0;
|
}
|
|
atomic_inc(&sdiodev->tx_priv->tx_pktcnt);
|
spin_unlock_bh(&sdiodev->tx_priv->txqlock);
|
complete(&bus_if->bustx_trgg);
|
|
return ret;
|
}
|
|
static int aicwf_sdio_bus_txmsg(struct device *dev, u8 *msg, uint msglen)
|
{
|
struct aicwf_bus *bus_if = dev_get_drvdata(dev);
|
struct aic_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
|
|
down(&sdiodev->tx_priv->cmd_txsema);
|
sdiodev->tx_priv->cmd_txstate = true;
|
sdiodev->tx_priv->cmd_tx_succ = false;
|
sdiodev->tx_priv->cmd_buf = msg;
|
sdiodev->tx_priv->cmd_len = msglen;
|
up(&sdiodev->tx_priv->cmd_txsema);
|
|
if (bus_if->state != BUS_UP_ST) {
|
sdio_err("bus has stop\n");
|
return -1;
|
}
|
|
complete(&bus_if->bustx_trgg);
|
#if 0
|
if (sdiodev->tx_priv->cmd_txstate) {
|
int timeout = msecs_to_jiffies(CMD_TX_TIMEOUT);
|
ret = wait_event_interruptible_timeout(sdiodev->tx_priv->cmd_txdone_wait, \
|
!(sdiodev->tx_priv->cmd_txstate), timeout);
|
}
|
|
if (!sdiodev->tx_priv->cmd_txstate && sdiodev->tx_priv->cmd_tx_succ) {
|
ret = 0;
|
} else {
|
sdio_err("send faild:%d, %d,%x\n", sdiodev->tx_priv->cmd_txstate, sdiodev->tx_priv->cmd_tx_succ, ret);
|
ret = -EIO;
|
}
|
#endif
|
return 0;
|
}
|
|
|
int aicwf_sdio_send(struct aicwf_tx_priv *tx_priv, u8 txnow)
|
{
|
struct sk_buff *pkt;
|
struct aic_sdio_dev *sdiodev = tx_priv->sdiodev;
|
u32 aggr_len = 0;
|
|
aggr_len = (tx_priv->tail - tx_priv->head);
|
if (((atomic_read(&tx_priv->aggr_count) == 0) && (aggr_len != 0))
|
|| ((atomic_read(&tx_priv->aggr_count) != 0) && (aggr_len == 0))) {
|
if (aggr_len > 0)
|
aicwf_sdio_aggrbuf_reset(tx_priv);
|
goto done;
|
}
|
|
if (atomic_read(&tx_priv->aggr_count) == (tx_priv->fw_avail_bufcnt - DATA_FLOW_CTRL_THRESH)) {
|
if (atomic_read(&tx_priv->aggr_count) > 0) {
|
tx_priv->fw_avail_bufcnt -= atomic_read(&tx_priv->aggr_count);
|
aicwf_sdio_aggr_send(tx_priv); //send and check the next pkt;
|
}
|
} else {
|
spin_lock_bh(&sdiodev->tx_priv->txqlock);
|
pkt = aicwf_frame_dequeue(&sdiodev->tx_priv->txq);
|
if (pkt == NULL) {
|
sdio_err("txq no pkt\n");
|
spin_unlock_bh(&sdiodev->tx_priv->txqlock);
|
goto done;
|
}
|
atomic_dec(&sdiodev->tx_priv->tx_pktcnt);
|
spin_unlock_bh(&sdiodev->tx_priv->txqlock);
|
|
if (tx_priv == NULL || tx_priv->tail == NULL || pkt == NULL)
|
txrx_err("null error\n");
|
if (aicwf_sdio_aggr(tx_priv, pkt)) {
|
aicwf_sdio_aggrbuf_reset(tx_priv);
|
sdio_err("add aggr pkts failed!\n");
|
goto done;
|
}
|
|
//when aggr finish or there is cmd to send, just send this aggr pkt to fw
|
if ((int)atomic_read(&sdiodev->tx_priv->tx_pktcnt) == 0 || txnow || (atomic_read(&tx_priv->aggr_count) == (tx_priv->fw_avail_bufcnt - DATA_FLOW_CTRL_THRESH))) {
|
tx_priv->fw_avail_bufcnt -= atomic_read(&tx_priv->aggr_count);
|
aicwf_sdio_aggr_send(tx_priv);
|
} else
|
goto done;
|
}
|
|
done:
|
return 0;
|
}
|
|
int aicwf_sdio_aggr(struct aicwf_tx_priv *tx_priv, struct sk_buff *pkt)
|
{
|
struct rwnx_txhdr *txhdr = (struct rwnx_txhdr *)pkt->data;
|
u8 *start_ptr = tx_priv->tail;
|
u8 sdio_header[4];
|
u8 adjust_str[4] = {0, 0, 0, 0};
|
u32 curr_len = 0;
|
int allign_len = 0;
|
int headroom;
|
|
sdio_header[0] = ((pkt->len - txhdr->sw_hdr->headroom + sizeof(struct txdesc_api)) & 0xff);
|
sdio_header[1] = (((pkt->len - txhdr->sw_hdr->headroom + sizeof(struct txdesc_api)) >> 8)&0x0f);
|
sdio_header[2] = 0x01; //data
|
if (tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8801 ||
|
tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8800DC ||
|
tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8800DW)
|
sdio_header[3] = 0; //reserved
|
else if (tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8800D80)
|
sdio_header[3] = crc8_ponl_107(&sdio_header[0], 3); // crc8
|
|
memcpy(tx_priv->tail, (u8 *)&sdio_header, sizeof(sdio_header));
|
tx_priv->tail += sizeof(sdio_header);
|
//payload
|
memcpy(tx_priv->tail, (u8 *)(long)&txhdr->sw_hdr->desc, sizeof(struct txdesc_api));
|
tx_priv->tail += sizeof(struct txdesc_api); //hostdesc
|
memcpy(tx_priv->tail, (u8 *)((u8 *)txhdr + txhdr->sw_hdr->headroom), pkt->len-txhdr->sw_hdr->headroom);
|
tx_priv->tail += (pkt->len - txhdr->sw_hdr->headroom);
|
|
//word alignment
|
curr_len = tx_priv->tail - tx_priv->head;
|
if (curr_len & (TX_ALIGNMENT - 1)) {
|
allign_len = roundup(curr_len, TX_ALIGNMENT)-curr_len;
|
memcpy(tx_priv->tail, adjust_str, allign_len);
|
tx_priv->tail += allign_len;
|
}
|
|
if (tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8801 || tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8800DC ||
|
tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8800DW) {
|
start_ptr[0] = ((tx_priv->tail - start_ptr - 4) & 0xff);
|
start_ptr[1] = (((tx_priv->tail - start_ptr - 4)>>8) & 0x0f);
|
}
|
tx_priv->aggr_buf->dev = pkt->dev;
|
|
if (!txhdr->sw_hdr->need_cfm) {
|
headroom = txhdr->sw_hdr->headroom;
|
kmem_cache_free(txhdr->sw_hdr->rwnx_vif->rwnx_hw->sw_txhdr_cache, txhdr->sw_hdr);
|
skb_pull(pkt, headroom);
|
consume_skb(pkt);
|
}
|
|
atomic_inc(&tx_priv->aggr_count);
|
return 0;
|
}
|
|
void aicwf_sdio_aggr_send(struct aicwf_tx_priv *tx_priv)
|
{
|
struct sk_buff *tx_buf = tx_priv->aggr_buf;
|
int ret = 0;
|
int curr_len = 0;
|
|
//link tail is necessary
|
curr_len = tx_priv->tail - tx_priv->head;
|
if ((curr_len % TXPKT_BLOCKSIZE) != 0) {
|
memset(tx_priv->tail, 0, TAIL_LEN);
|
tx_priv->tail += TAIL_LEN;
|
}
|
|
tx_buf->len = tx_priv->tail - tx_priv->head;
|
ret = aicwf_sdio_txpkt(tx_priv->sdiodev, tx_buf);
|
if (ret < 0) {
|
sdio_err("fail to send aggr pkt!\n");
|
}
|
|
aicwf_sdio_aggrbuf_reset(tx_priv);
|
}
|
|
void aicwf_sdio_aggrbuf_reset(struct aicwf_tx_priv *tx_priv)
|
{
|
struct sk_buff *aggr_buf = tx_priv->aggr_buf;
|
|
tx_priv->tail = tx_priv->head;
|
aggr_buf->len = 0;
|
atomic_set(&tx_priv->aggr_count, 0);
|
}
|
|
extern void set_irq_handler(void *fn);
|
|
static int aicwf_sdio_bus_start(struct device *dev)
|
{
|
struct aicwf_bus *bus_if = dev_get_drvdata(dev);
|
struct aic_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
|
int ret = 0;
|
|
|
sdio_claim_host(sdiodev->func);
|
#ifndef CONFIG_FDRV_NO_REG_SDIO
|
sdio_claim_irq(sdiodev->func, aicwf_sdio_hal_irqhandler);
|
#else
|
set_irq_handler(aicwf_sdio_hal_irqhandler);
|
#endif
|
if(sdiodev->chipid == PRODUCT_ID_AIC8800D80){
|
sdio_f0_writeb(sdiodev->func, 0x07, 0x04, &ret);
|
if (ret) {
|
sdio_err("set func0 int en fail %d\n", ret);
|
}
|
}
|
sdio_release_host(sdiodev->func);
|
|
|
//enable sdio interrupt
|
ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.intr_config_reg, 0x07);
|
if (ret != 0)
|
sdio_err("intr register failed:%d\n", ret);
|
|
bus_if->state = BUS_UP_ST;
|
|
return ret;
|
}
|
|
#ifdef CONFIG_TXRX_THREAD_PRIO
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0))
|
#include "uapi/linux/sched/types.h"
|
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 19, 0))
|
#include "linux/sched/types.h"
|
#else
|
#include "linux/sched/rt.h"
|
#endif
|
|
int bustx_thread_prio = 1;
|
module_param_named(bustx_thread_prio, bustx_thread_prio, int, 0644);
|
//module_param(bustx_thread_prio, int, 0);
|
int busrx_thread_prio = 1;
|
module_param_named(busrx_thread_prio, busrx_thread_prio, int, 0644);
|
//module_param(busrx_thread_prio, int, 0);
|
#endif
|
|
#ifdef CONFIG_OOB
|
int rx_thread_wait_to = 1000;
|
module_param_named(rx_thread_wait_to, rx_thread_wait_to, int, 0644);
|
|
//new oob feature
|
int sdio_busirq_thread(void *data){
|
struct aicwf_rx_priv *rx_priv = (struct aicwf_rx_priv *)data;
|
struct aicwf_bus *bus_if = rx_priv->sdiodev->bus_if;
|
#if 0
|
#ifdef CONFIG_THREAD_INFO_IN_TASK
|
int set_cpu_ret = 0;
|
|
AICWFDBG(LOGINFO, "%s the cpu is:%d\n", __func__, current->cpu);
|
set_cpu_ret = set_cpus_allowed_ptr(current, cpumask_of(0));
|
AICWFDBG(LOGINFO, "%s set_cpu_ret is:%d\n", __func__, set_cpu_ret);
|
AICWFDBG(LOGINFO, "%s change cpu to:%d\n", __func__, current->cpu);
|
#endif
|
#endif
|
|
#ifdef CONFIG_TXRX_THREAD_PRIO
|
if (busrx_thread_prio > 0) {
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 9, 0))
|
sched_set_fifo_low(current);
|
#else
|
struct sched_param param;
|
param.sched_priority = (busrx_thread_prio - 1 < MAX_RT_PRIO)?busrx_thread_prio:(MAX_RT_PRIO-1);
|
sched_setscheduler(current, SCHED_FIFO, ¶m);
|
#endif
|
}
|
#endif
|
|
AICWFDBG(LOGINFO, "%s the policy of current thread is:%d\n", __func__, current->policy);
|
AICWFDBG(LOGINFO, "%s the rt_priority of current thread is:%d\n", __func__, current->rt_priority);
|
AICWFDBG(LOGINFO, "%s the current pid is:%d\n", __func__, current->pid);
|
|
|
while (1) {
|
if (kthread_should_stop()) {
|
AICWFDBG(LOGERROR, "sdio busirq thread stop\n");
|
break;
|
}
|
|
if(!wait_for_completion_timeout(&bus_if->busirq_trgg, msecs_to_jiffies(rx_thread_wait_to))){
|
AICWFDBG(LOGRXPOLL, "%s wait for completion timout \r\n", __func__);
|
}
|
|
if (bus_if->state == BUS_DOWN_ST)
|
continue;
|
#if 1
|
#ifdef CONFIG_SDIO_PWRCTRL
|
while(atomic_read(&bus_if->bus_priv.sdio->is_bus_suspend) == 1){
|
AICWFDBG(LOGDEBUG, "%s waiting for sdio bus resume \r\n", __func__);
|
msleep(100);
|
}
|
aicwf_sdio_pwr_stctl(bus_if->bus_priv.sdio, SDIO_ACTIVE_ST);
|
#endif//CONFIG_SDIO_PWRCTRL
|
#endif
|
aicwf_sdio_hal_irqhandler(bus_if->bus_priv.sdio->func);
|
}
|
|
return 0;
|
}
|
|
#endif//CONFIG_OOB
|
|
#if 0
|
#include <linux/sched.h>
|
#endif
|
int sdio_bustx_thread(void *data)
|
{
|
struct aicwf_bus *bus = (struct aicwf_bus *) data;
|
struct aic_sdio_dev *sdiodev = bus->bus_priv.sdio;
|
#if 0
|
#ifdef CONFIG_THREAD_INFO_IN_TASK
|
int set_cpu_ret = 0;
|
|
AICWFDBG(LOGINFO, "%s the cpu is:%d\n", __func__, current->cpu);
|
set_cpu_ret = set_cpus_allowed_ptr(current, cpumask_of(1));
|
AICWFDBG(LOGINFO, "%s set_cpu_ret is:%d\n", __func__, set_cpu_ret);
|
AICWFDBG(LOGINFO, "%s change cpu to:%d\n", __func__, current->cpu);
|
#endif
|
#endif
|
|
#if 0
|
struct cpumask cpumask;
|
cpumask_clear(&cpumask);
|
cpumask_set_cpu(1, &cpumask);
|
cpumask_set_cpu(2, &cpumask);
|
cpumask_set_cpu(3, &cpumask);
|
sched_setaffinity(0, &cpumask);//need to add EXPORT_SYMBOL_GPL(sched_setaffinity) in kernel/sched/core.c
|
#endif
|
#ifdef CONFIG_TXRX_THREAD_PRIO
|
if (bustx_thread_prio > 0) {
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 9, 0))
|
sched_set_fifo_low(current);
|
#else
|
struct sched_param param;
|
param.sched_priority = (bustx_thread_prio < MAX_RT_PRIO)?bustx_thread_prio:(MAX_RT_PRIO-1);
|
sched_setscheduler(current, SCHED_FIFO, ¶m);
|
#endif
|
}
|
#endif
|
|
AICWFDBG(LOGINFO, "%s the policy of current thread is:%d\n", __func__, current->policy);
|
AICWFDBG(LOGINFO, "%s the rt_priority of current thread is:%d\n", __func__, current->rt_priority);
|
AICWFDBG(LOGINFO, "%s the current pid is:%d\n", __func__, current->pid);
|
|
while (1) {
|
if (kthread_should_stop()) {
|
AICWFDBG(LOGERROR, "sdio bustx thread stop\n");
|
break;
|
}
|
|
if (!wait_for_completion_interruptible(&bus->bustx_trgg)) {
|
if (sdiodev->bus_if->state == BUS_DOWN_ST)
|
continue;
|
|
rwnx_wakeup_lock(sdiodev->rwnx_hw->ws_tx);
|
if ((int)(atomic_read(&sdiodev->tx_priv->tx_pktcnt) > 0) || (sdiodev->tx_priv->cmd_txstate == true)){
|
aicwf_sdio_tx_process(sdiodev);
|
}
|
rwnx_wakeup_unlock(sdiodev->rwnx_hw->ws_tx);
|
}
|
}
|
|
return 0;
|
}
|
|
#if 0//old oob feature
|
int sdio_busrx_thread(void *data)
|
{
|
struct aicwf_rx_priv *rx_priv = (struct aicwf_rx_priv *)data;
|
struct aicwf_bus *bus_if = rx_priv->sdiodev->bus_if;
|
#if 0
|
struct cpumask cpumask;
|
cpumask_clear(&cpumask);
|
cpumask_set_cpu(1, &cpumask);
|
cpumask_set_cpu(2, &cpumask);
|
cpumask_set_cpu(3, &cpumask);
|
sched_setaffinity(0, &cpumask);
|
#endif
|
#ifdef CONFIG_TXRX_THREAD_PRIO
|
if (busrx_thread_prio > 0) {
|
struct sched_param param;
|
param.sched_priority = (busrx_thread_prio < MAX_RT_PRIO)?busrx_thread_prio:(MAX_RT_PRIO-1);
|
sched_setscheduler(current, SCHED_FIFO, ¶m);
|
}
|
#endif
|
|
AICWFDBG(LOGINFO, "%s the policy of current thread is:%d\n", __func__, current->policy);
|
AICWFDBG(LOGINFO, "%s the rt_priority of current thread is:%d\n", __func__, current->rt_priority);
|
AICWFDBG(LOGINFO, "%s the current pid is:%d\n", __func__, current->pid);
|
|
while (1) {
|
if (kthread_should_stop()) {
|
AICWFDBG(LOGERROR, "sdio busrx thread stop\n");
|
break;
|
}
|
#ifndef CONFIG_OOB
|
if (!wait_for_completion_interruptible(&bus_if->busrx_trgg)) {
|
#else
|
if(!wait_for_completion_timeout(&bus_if->busrx_trgg, msecs_to_jiffies(rx_thread_wait_to))){
|
AICWFDBG(LOGDEBUG, "%s wait for completion timout \r\n", __func__);
|
}
|
#endif
|
if (bus_if->state == BUS_DOWN_ST)
|
continue;
|
#ifdef CONFIG_OOB
|
#ifdef CONFIG_SDIO_PWRCTRL
|
while(atomic_read(&bus_if->bus_priv.sdio->is_bus_suspend) == 1){
|
AICWFDBG(LOGDEBUG, "%s waiting for sdio bus resume \r\n", __func__);
|
msleep(100);
|
}
|
aicwf_sdio_pwr_stctl(bus_if->bus_priv.sdio, SDIO_ACTIVE_ST);
|
#endif//CONFIG_SDIO_PWRCTRL
|
aicwf_sdio_hal_irqhandler(bus_if->bus_priv.sdio->func);
|
#endif//CONFIG_OOB
|
rwnx_wakeup_lock(rx_priv->sdiodev->rwnx_hw->ws_rx);
|
aicwf_process_rxframes(rx_priv);
|
rwnx_wakeup_unlock(rx_priv->sdiodev->rwnx_hw->ws_rx);
|
#ifndef CONFIG_OOB
|
}
|
#endif
|
}
|
|
return 0;
|
|
}
|
#else//new oob feature
|
int sdio_busrx_thread(void *data)
|
{
|
struct aicwf_rx_priv *rx_priv = (struct aicwf_rx_priv *)data;
|
struct aicwf_bus *bus_if = rx_priv->sdiodev->bus_if;
|
|
|
#if 0
|
struct cpumask cpumask;
|
cpumask_clear(&cpumask);
|
cpumask_set_cpu(1, &cpumask);
|
cpumask_set_cpu(2, &cpumask);
|
cpumask_set_cpu(3, &cpumask);
|
sched_setaffinity(0, &cpumask);
|
#endif
|
#if 0
|
#ifdef CONFIG_THREAD_INFO_IN_TASK
|
int set_cpu_ret = 0;
|
|
AICWFDBG(LOGINFO, "%s the cpu is:%d\n", __func__, current->cpu);
|
set_cpu_ret = set_cpus_allowed_ptr(current, cpumask_of(2));
|
AICWFDBG(LOGINFO, "%s set_cpu_ret is:%d\n", __func__, set_cpu_ret);
|
AICWFDBG(LOGINFO, "%s change cpu to:%d\n", __func__, current->cpu);
|
#endif
|
#endif
|
#ifdef CONFIG_TXRX_THREAD_PRIO
|
if (busrx_thread_prio > 0) {
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 9, 0))
|
sched_set_fifo_low(current);
|
#else
|
struct sched_param param;
|
param.sched_priority = (busrx_thread_prio < MAX_RT_PRIO)?busrx_thread_prio:(MAX_RT_PRIO-1);
|
sched_setscheduler(current, SCHED_FIFO, ¶m);
|
#endif
|
}
|
#endif
|
|
AICWFDBG(LOGINFO, "%s the policy of current thread is:%d\n", __func__, current->policy);
|
AICWFDBG(LOGINFO, "%s the rt_priority of current thread is:%d\n", __func__, current->rt_priority);
|
AICWFDBG(LOGINFO, "%s the current pid is:%d\n", __func__, current->pid);
|
|
while (1) {
|
if (kthread_should_stop()) {
|
AICWFDBG(LOGERROR, "sdio busrx thread stop\n");
|
break;
|
}
|
if (!wait_for_completion_interruptible(&bus_if->busrx_trgg)) {
|
|
if (bus_if->state == BUS_DOWN_ST)
|
continue;
|
rwnx_wakeup_lock(rx_priv->sdiodev->rwnx_hw->ws_rx);
|
aicwf_process_rxframes(rx_priv);
|
rwnx_wakeup_unlock(rx_priv->sdiodev->rwnx_hw->ws_rx);
|
}
|
}
|
return 0;
|
|
}
|
|
#endif//old oob feature
|
|
#if defined(CONFIG_SDIO_PWRCTRL)
|
static int aicwf_sdio_pwrctl_thread(void *data)
|
{
|
struct aic_sdio_dev *sdiodev = (struct aic_sdio_dev *) data;
|
|
while (1) {
|
if (kthread_should_stop()) {
|
sdio_err("sdio pwrctl thread stop\n");
|
break;
|
}
|
if (!wait_for_completion_interruptible(&sdiodev->pwrctrl_trgg)) {
|
//printk("%s working\r\n", __func__);
|
|
if (sdiodev->bus_if->state == BUS_DOWN_ST)
|
continue;
|
|
rwnx_wakeup_lock(sdiodev->rwnx_hw->ws_pwrctrl);
|
|
if ((int)(atomic_read(&sdiodev->tx_priv->tx_pktcnt) <= 0) && (sdiodev->tx_priv->cmd_txstate == false) && \
|
atomic_read(&sdiodev->rx_priv->rx_cnt) == 0)
|
aicwf_sdio_pwr_stctl(sdiodev, SDIO_SLEEP_ST);
|
else
|
aicwf_sdio_pwrctl_timer(sdiodev, sdiodev->active_duration);
|
|
rwnx_wakeup_unlock(sdiodev->rwnx_hw->ws_pwrctrl);
|
}
|
}
|
|
return 0;
|
}
|
|
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 14, 0)
|
static void aicwf_sdio_bus_pwrctl(ulong data)
|
#else
|
static void aicwf_sdio_bus_pwrctl(struct timer_list *t)
|
#endif
|
{
|
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 14, 0)
|
struct aic_sdio_dev *sdiodev = (struct aic_sdio_dev *) data;
|
#else
|
struct aic_sdio_dev *sdiodev = from_timer(sdiodev, t, timer);
|
#endif
|
|
if (sdiodev->bus_if->state == BUS_DOWN_ST) {
|
sdio_err("bus down\n");
|
return;
|
}
|
|
if (sdiodev->pwrctl_tsk) {
|
complete(&sdiodev->pwrctrl_trgg);
|
}
|
}
|
#endif
|
|
#ifdef CONFIG_PREALLOC_RX_SKB
|
static void aicwf_sdio_enq_rxpkt(struct aic_sdio_dev *sdiodev, struct rx_buff *pkt)
|
#else
|
static void aicwf_sdio_enq_rxpkt(struct aic_sdio_dev *sdiodev, struct sk_buff *pkt)
|
#endif
|
{
|
struct aicwf_rx_priv *rx_priv = sdiodev->rx_priv;
|
unsigned long flags = 0;
|
|
spin_lock_irqsave(&rx_priv->rxqlock, flags);
|
#ifdef CONFIG_PREALLOC_RX_SKB
|
if (!aicwf_rxbuff_enqueue(sdiodev->dev, &rx_priv->rxq, pkt)) {
|
spin_unlock_irqrestore(&rx_priv->rxqlock, flags);
|
printk("%s %d, enqueue rxq fail\n", __func__, __LINE__);
|
aicwf_prealloc_rxbuff_free(pkt, &rx_priv->rxbuff_lock);
|
return;
|
}
|
#else
|
if (!aicwf_rxframe_enqueue(sdiodev->dev, &rx_priv->rxq, pkt)) {
|
spin_unlock_irqrestore(&rx_priv->rxqlock, flags);
|
aicwf_dev_skb_free(pkt);
|
return;
|
}
|
#endif
|
spin_unlock_irqrestore(&rx_priv->rxqlock, flags);
|
|
atomic_inc(&rx_priv->rx_cnt);
|
}
|
|
|
#define SDIO_OTHER_INTERRUPT (0x1ul << 7)
|
|
void aicwf_sdio_hal_irqhandler(struct sdio_func *func)
|
{
|
struct aicwf_bus *bus_if = dev_get_drvdata(&func->dev);
|
struct aic_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
|
u8 intstatus = 0;
|
u8 byte_len = 0;
|
#ifdef CONFIG_PREALLOC_RX_SKB
|
struct rx_buff *pkt = NULL;
|
#else
|
struct sk_buff *pkt = NULL;
|
#endif
|
int ret;
|
|
//AICWFDBG(LOGDEBUG, "fdrv %s enter \r\n", __func__);
|
rwnx_wakeup_lock(sdiodev->rwnx_hw->ws_irqrx);
|
|
|
if (!bus_if || bus_if->state == BUS_DOWN_ST) {
|
sdio_err("bus err\n");
|
rwnx_wakeup_unlock(sdiodev->rwnx_hw->ws_irqrx);
|
return;
|
}
|
|
if (sdiodev->chipid == PRODUCT_ID_AIC8801 || sdiodev->chipid == PRODUCT_ID_AIC8800DC ||
|
sdiodev->chipid == PRODUCT_ID_AIC8800DW) {
|
#ifdef CONFIG_PREALLOC_RX_SKB
|
if (list_empty(&aic_rx_buff_list.rxbuff_list)) {
|
printk("%s %d, rxbuff list is empty\n", __func__, __LINE__);
|
rwnx_wakeup_unlock(sdiodev->rwnx_hw->ws_irqrx);
|
return;
|
}
|
#endif
|
ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.block_cnt_reg, &intstatus);
|
while (ret || (intstatus & SDIO_OTHER_INTERRUPT)) {
|
sdio_err("ret=%d, intstatus=%x\r\n", ret, intstatus);
|
ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.block_cnt_reg, &intstatus);
|
}
|
sdiodev->rx_priv->data_len = intstatus * SDIOWIFI_FUNC_BLOCKSIZE;
|
|
if (intstatus > 0) {
|
if (intstatus < 64) {
|
pkt = aicwf_sdio_readframes(sdiodev);
|
} else {
|
aicwf_sdio_intr_get_len_bytemode(sdiodev, &byte_len);//byte_len must<= 128
|
sdio_info("byte mode len=%d\r\n", byte_len);
|
pkt = aicwf_sdio_readframes(sdiodev);
|
}
|
} else {
|
#ifndef CONFIG_PLATFORM_ALLWINNER
|
// sdio_err("Interrupt but no data\n");
|
#endif
|
}
|
|
if (pkt)
|
aicwf_sdio_enq_rxpkt(sdiodev, pkt);
|
|
if(atomic_read(&sdiodev->rx_priv->rx_cnt) == 1){
|
complete(&bus_if->busrx_trgg);
|
}
|
|
}else if (sdiodev->chipid == PRODUCT_ID_AIC8800D80) {
|
do {
|
ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.misc_int_status_reg, &intstatus);
|
if (!ret) {
|
break;
|
}
|
sdio_err("ret=%d, intstatus=%x\r\n",ret, intstatus);
|
} while (1);
|
if (intstatus & SDIO_OTHER_INTERRUPT) {
|
u8 int_pending;
|
ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.sleep_reg, &int_pending);
|
if (ret < 0) {
|
sdio_err("reg:%d read failed!\n", sdiodev->sdio_reg.sleep_reg);
|
}
|
int_pending &= ~0x01; // dev to host soft irq
|
ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.sleep_reg, int_pending);
|
if (ret < 0) {
|
sdio_err("reg:%d write failed!\n", sdiodev->sdio_reg.sleep_reg);
|
}
|
}
|
|
if (intstatus > 0) {
|
uint8_t intmaskf2 = intstatus | (0x1UL << 3);
|
if (intmaskf2 > 120U) { // func2
|
if (intmaskf2 == 127U) { // byte mode
|
//aicwf_sdio_intr_get_len_bytemode(sdiodev, &byte_len, 1);//byte_len must<= 128
|
aicwf_sdio_intr_get_len_bytemode(sdiodev, &byte_len);//byte_len must<= 128
|
sdio_info("byte mode len=%d\r\n", byte_len);
|
//pkt = aicwf_sdio_readframes(sdiodev, 1);
|
pkt = aicwf_sdio_readframes(sdiodev);
|
} else { // block mode
|
sdiodev->rx_priv->data_len = (intstatus & 0x7U) * SDIOWIFI_FUNC_BLOCKSIZE;
|
//pkt = aicwf_sdio_readframes(sdiodev, 1);
|
pkt = aicwf_sdio_readframes(sdiodev);
|
}
|
} else { // func1
|
if (intstatus == 120U) { // byte mode
|
//aicwf_sdio_intr_get_len_bytemode(sdiodev, &byte_len, 0);//byte_len must<= 128
|
aicwf_sdio_intr_get_len_bytemode(sdiodev, &byte_len);//byte_len must<= 128
|
sdio_info("byte mode len=%d\r\n", byte_len);
|
//pkt = aicwf_sdio_readframes(sdiodev, 0);
|
pkt = aicwf_sdio_readframes(sdiodev);
|
} else { // block mode
|
sdiodev->rx_priv->data_len = (intstatus & 0x7FU) * SDIOWIFI_FUNC_BLOCKSIZE;
|
//pkt = aicwf_sdio_readframes(sdiodev, 0);
|
pkt = aicwf_sdio_readframes(sdiodev);
|
}
|
}
|
} else {
|
#ifndef CONFIG_PLATFORM_ALLWINNER
|
//sdio_err("Interrupt but no data\n");
|
#endif
|
}
|
|
if (pkt)
|
aicwf_sdio_enq_rxpkt(sdiodev, pkt);
|
|
if(atomic_read(&sdiodev->rx_priv->rx_cnt) == 1){
|
complete(&bus_if->busrx_trgg);
|
}
|
}
|
|
rwnx_wakeup_unlock(sdiodev->rwnx_hw->ws_irqrx);
|
}
|
|
#if defined(CONFIG_SDIO_PWRCTRL)
|
void aicwf_sdio_pwrctl_timer(struct aic_sdio_dev *sdiodev, uint duration)
|
{
|
uint timeout;
|
|
//printk("%s duration:%d\r\n", __func__, duration);
|
if (sdiodev->bus_if->state == BUS_DOWN_ST && duration)
|
return;
|
|
spin_lock_bh(&sdiodev->pwrctl_lock);
|
if (!duration) {
|
if (timer_pending(&sdiodev->timer))
|
del_timer_sync(&sdiodev->timer);
|
} else {
|
sdiodev->active_duration = duration;
|
timeout = msecs_to_jiffies(sdiodev->active_duration);
|
mod_timer(&sdiodev->timer, jiffies + timeout);
|
}
|
spin_unlock_bh(&sdiodev->pwrctl_lock);
|
}
|
#endif
|
|
static struct aicwf_bus_ops aicwf_sdio_bus_ops = {
|
.stop = aicwf_sdio_bus_stop,
|
.start = aicwf_sdio_bus_start,
|
.txdata = aicwf_sdio_bus_txdata,
|
.txmsg = aicwf_sdio_bus_txmsg,
|
};
|
|
void aicwf_sdio_release(struct aic_sdio_dev *sdiodev)
|
{
|
struct aicwf_bus *bus_if;
|
#ifdef CONFIG_OOB
|
int ret;
|
#endif
|
AICWFDBG(LOGINFO, "%s Enter\n", __func__);
|
|
bus_if = dev_get_drvdata(sdiodev->dev);
|
bus_if->state = BUS_DOWN_ST;
|
#ifdef CONFIG_OOB
|
if(sdiodev->oob_enable){
|
sdio_claim_host(sdiodev->func);
|
//disable sdio interrupt
|
ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.intr_config_reg, 0x0);
|
if (ret < 0) {
|
AICWFDBG(LOGERROR, "reg:%d write failed!\n", sdiodev->sdio_reg.intr_config_reg);
|
}
|
sdio_release_irq(sdiodev->func);
|
sdio_release_host(sdiodev->func);
|
}
|
#endif
|
if (sdiodev->dev)
|
aicwf_bus_deinit(sdiodev->dev);
|
|
if (sdiodev->tx_priv)
|
aicwf_tx_deinit(sdiodev->tx_priv);
|
|
if (sdiodev->rx_priv)
|
aicwf_rx_deinit(sdiodev->rx_priv);
|
|
#if defined(CONFIG_SDIO_PWRCTRL)
|
if (sdiodev->pwrctl_tsk) {
|
complete_all(&sdiodev->pwrctrl_trgg);
|
kthread_stop(sdiodev->pwrctl_tsk);
|
sdiodev->pwrctl_tsk = NULL;
|
}
|
|
AICWFDBG(LOGINFO, "%s:pwrctl stopped\n", __func__);
|
#endif
|
|
if (sdiodev->cmd_mgr.state == RWNX_CMD_MGR_STATE_INITED)
|
rwnx_cmd_mgr_deinit(&sdiodev->cmd_mgr);
|
AICWFDBG(LOGINFO, "%s Exit\n", __func__);
|
}
|
|
void aicwf_sdio_reg_init(struct aic_sdio_dev *sdiodev)
|
{
|
sdio_dbg("%s\n", __func__);
|
|
if(sdiodev->chipid == PRODUCT_ID_AIC8801 || sdiodev->chipid == PRODUCT_ID_AIC8800DC ||
|
sdiodev->chipid == PRODUCT_ID_AIC8800DW){
|
sdiodev->sdio_reg.bytemode_len_reg = SDIOWIFI_BYTEMODE_LEN_REG;
|
sdiodev->sdio_reg.intr_config_reg = SDIOWIFI_INTR_CONFIG_REG;
|
sdiodev->sdio_reg.sleep_reg = SDIOWIFI_SLEEP_REG;
|
sdiodev->sdio_reg.wakeup_reg = SDIOWIFI_WAKEUP_REG;
|
sdiodev->sdio_reg.flow_ctrl_reg = SDIOWIFI_FLOW_CTRL_REG;
|
sdiodev->sdio_reg.register_block = SDIOWIFI_REGISTER_BLOCK;
|
sdiodev->sdio_reg.bytemode_enable_reg = SDIOWIFI_BYTEMODE_ENABLE_REG;
|
sdiodev->sdio_reg.block_cnt_reg = SDIOWIFI_BLOCK_CNT_REG;
|
sdiodev->sdio_reg.rd_fifo_addr = SDIOWIFI_RD_FIFO_ADDR;
|
sdiodev->sdio_reg.wr_fifo_addr = SDIOWIFI_WR_FIFO_ADDR;
|
} else if (sdiodev->chipid == PRODUCT_ID_AIC8800D80){
|
sdiodev->sdio_reg.bytemode_len_reg = SDIOWIFI_BYTEMODE_LEN_REG_V3;
|
sdiodev->sdio_reg.intr_config_reg = SDIOWIFI_INTR_ENABLE_REG_V3;
|
sdiodev->sdio_reg.sleep_reg = SDIOWIFI_INTR_PENDING_REG_V3;
|
sdiodev->sdio_reg.wakeup_reg = SDIOWIFI_INTR_TO_DEVICE_REG_V3;
|
sdiodev->sdio_reg.flow_ctrl_reg = SDIOWIFI_FLOW_CTRL_Q1_REG_V3;
|
sdiodev->sdio_reg.bytemode_enable_reg = SDIOWIFI_BYTEMODE_ENABLE_REG_V3;
|
sdiodev->sdio_reg.misc_int_status_reg = SDIOWIFI_MISC_INT_STATUS_REG_V3;
|
sdiodev->sdio_reg.rd_fifo_addr = SDIOWIFI_RD_FIFO_ADDR_V3;
|
sdiodev->sdio_reg.wr_fifo_addr = SDIOWIFI_WR_FIFO_ADDR_V3;
|
}
|
}
|
|
int aicwf_sdio_func_init(struct aic_sdio_dev *sdiodev)
|
{
|
struct mmc_host *host;
|
u8 block_bit0 = 0x1;
|
u8 byte_mode_disable = 0x1;//1: no byte mode
|
int ret = 0;
|
struct aicbsp_feature_t feature;
|
u8 val = 0;
|
|
aicbsp_get_feature(&feature, NULL);
|
aicwf_sdio_reg_init(sdiodev);
|
|
host = sdiodev->func->card->host;
|
|
sdio_claim_host(sdiodev->func);
|
#if 0//SDIO PHASE SETTING
|
sdiodev->func->card->quirks |= MMC_QUIRK_LENIENT_FN0;
|
sdio_f0_writeb(sdiodev->func, feature.sdio_phase, 0x13, &ret);
|
if (ret < 0) {
|
AICWFDBG(LOGERROR, "write func0 fail %d\n", ret);
|
sdio_release_host(sdiodev->func);
|
return ret;
|
}
|
#endif
|
ret = sdio_set_block_size(sdiodev->func, SDIOWIFI_FUNC_BLOCKSIZE);
|
if (ret < 0) {
|
AICWFDBG(LOGERROR, "set blocksize fail %d\n", ret);
|
sdio_release_host(sdiodev->func);
|
return ret;
|
}
|
ret = sdio_enable_func(sdiodev->func);
|
if (ret < 0) {
|
sdio_release_host(sdiodev->func);
|
AICWFDBG(LOGERROR, "enable func fail %d.\n", ret);
|
return ret;
|
}
|
|
#if 1//SDIO CLOCK SETTING
|
if (feature.sdio_clock > 0) {
|
host->ios.clock = feature.sdio_clock;
|
host->ops->set_ios(host, &host->ios);
|
AICWFDBG(LOGINFO, "Set SDIO Clock %d MHz\n", host->ios.clock/1000000);
|
}
|
#endif
|
|
sdio_release_host(sdiodev->func);
|
|
ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.register_block, block_bit0);
|
if (ret < 0) {
|
AICWFDBG(LOGERROR, "reg:%d write failed!\n", sdiodev->sdio_reg.register_block);
|
return ret;
|
}
|
|
//1: no byte mode
|
ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.bytemode_enable_reg, byte_mode_disable);
|
if (ret < 0) {
|
AICWFDBG(LOGERROR, "reg:%d write failed!\n", sdiodev->sdio_reg.bytemode_enable_reg);
|
return ret;
|
}
|
|
ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.wakeup_reg, 1);
|
if (ret < 0) {
|
AICWFDBG(LOGERROR, "reg:%d write failed!\n", sdiodev->sdio_reg.wakeup_reg);
|
return ret;
|
}
|
|
#if 1
|
mdelay(5);
|
ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.sleep_reg, &val);
|
if (ret < 0) {
|
AICWFDBG(LOGERROR, "reg:%d read failed!\n", sdiodev->sdio_reg.sleep_reg);
|
return ret;
|
}
|
|
if(!(val & 0x10)){
|
AICWFDBG(LOGERROR, "wakeup fail\n");
|
}else{
|
AICWFDBG(LOGINFO, "sdio ready\n");
|
}
|
#endif
|
return ret;
|
}
|
|
int aicwf_sdiov3_func_init(struct aic_sdio_dev *sdiodev)
|
{
|
struct mmc_host *host;
|
u8 byte_mode_disable = 0x1;//1: no byte mode
|
int ret = 0;
|
struct aicbsp_feature_t feature;
|
//u8 val = 0;
|
u8 val1 = 0;
|
|
aicbsp_get_feature(&feature, NULL);
|
aicwf_sdio_reg_init(sdiodev);
|
|
host = sdiodev->func->card->host;
|
|
sdio_claim_host(sdiodev->func);
|
sdiodev->func->card->quirks |= MMC_QUIRK_LENIENT_FN0;
|
|
ret = sdio_set_block_size(sdiodev->func, SDIOWIFI_FUNC_BLOCKSIZE);
|
if (ret < 0) {
|
AICWFDBG(LOGERROR, "set blocksize fail %d\n", ret);
|
sdio_release_host(sdiodev->func);
|
return ret;
|
}
|
ret = sdio_enable_func(sdiodev->func);
|
if (ret < 0) {
|
sdio_release_host(sdiodev->func);
|
AICWFDBG(LOGERROR, "enable func fail %d.\n", ret);
|
return ret;
|
}
|
|
sdio_f0_writeb(sdiodev->func, 0x7F, 0xF2, &ret);
|
if (ret) {
|
sdio_err("set fn0 0xF2 fail %d\n", ret);
|
sdio_release_host(sdiodev->func);
|
return ret;
|
}
|
#if 0
|
if (host->ios.timing == MMC_TIMING_UHS_DDR50) {
|
val = 0x21;//0x1D;//0x5;
|
} else {
|
val = 0x01;//0x19;//0x1;
|
}
|
val |= SDIOCLK_FREE_RUNNING_BIT;
|
sdio_f0_writeb(sdiodev->func, val, 0xF0, &ret);
|
if (ret) {
|
sdio_err("set iopad ctrl fail %d\n", ret);
|
sdio_release_host(sdiodev->func);
|
return ret;
|
}
|
sdio_f0_writeb(sdiodev->func, 0x0, 0xF8, &ret);
|
if (ret) {
|
sdio_err("set iopad delay2 fail %d\n", ret);
|
sdio_release_host(sdiodev->func);
|
return ret;
|
}
|
sdio_f0_writeb(sdiodev->func, 0x20, 0xF1, &ret);
|
if (ret) {
|
sdio_err("set iopad delay1 fail %d\n", ret);
|
sdio_release_host(sdiodev->func);
|
return ret;
|
}
|
msleep(1);
|
#if 1//SDIO CLOCK SETTING
|
if ((feature.sdio_clock > 0) && (host->ios.timing != MMC_TIMING_UHS_DDR50)) {
|
host->ios.clock = feature.sdio_clock;
|
host->ops->set_ios(host, &host->ios);
|
AICWFDBG(LOGINFO, "Set SDIO Clock %d MHz\n", host->ios.clock/1000000);
|
}
|
#endif
|
#endif
|
sdio_release_host(sdiodev->func);
|
|
//1: no byte mode
|
ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.bytemode_enable_reg, byte_mode_disable);
|
if (ret < 0) {
|
AICWFDBG(LOGERROR, "reg:%d write failed!\n", sdiodev->sdio_reg.bytemode_enable_reg);
|
return ret;
|
}
|
|
ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.wakeup_reg, 0x11);
|
if (ret < 0) {
|
AICWFDBG(LOGERROR, "reg:%d write failed!\n", sdiodev->sdio_reg.wakeup_reg);
|
return ret;
|
}
|
|
#if 1
|
mdelay(5);
|
ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.sleep_reg, &val1);
|
if (ret < 0) {
|
AICWFDBG(LOGERROR, "reg:%d read failed!\n", sdiodev->sdio_reg.sleep_reg);
|
return ret;
|
}
|
|
if(!(val1 & 0x10)){
|
AICWFDBG(LOGERROR, "wakeup fail\n");
|
}else{
|
AICWFDBG(LOGINFO, "sdio ready\n");
|
}
|
#endif
|
return ret;
|
}
|
|
void aicwf_sdio_func_deinit(struct aic_sdio_dev *sdiodev)
|
{
|
sdio_claim_host(sdiodev->func);
|
sdio_disable_func(sdiodev->func);
|
sdio_release_host(sdiodev->func);
|
}
|
|
void *aicwf_sdio_bus_init(struct aic_sdio_dev *sdiodev)
|
{
|
int ret;
|
struct aicwf_bus *bus_if;
|
struct aicwf_rx_priv *rx_priv;
|
struct aicwf_tx_priv *tx_priv;
|
|
#if defined(CONFIG_SDIO_PWRCTRL)
|
spin_lock_init(&sdiodev->pwrctl_lock);
|
sema_init(&sdiodev->pwrctl_wakeup_sema, 1);
|
#endif
|
|
bus_if = sdiodev->bus_if;
|
bus_if->dev = sdiodev->dev;
|
bus_if->ops = &aicwf_sdio_bus_ops;
|
bus_if->state = BUS_DOWN_ST;
|
#if defined(CONFIG_SDIO_PWRCTRL)
|
sdiodev->state = SDIO_SLEEP_ST;
|
sdiodev->active_duration = SDIOWIFI_PWR_CTRL_INTERVAL;
|
#else
|
sdiodev->state = SDIO_ACTIVE_ST;
|
#endif
|
|
rx_priv = aicwf_rx_init(sdiodev);
|
if (!rx_priv) {
|
sdio_err("rx init fail\n");
|
goto fail;
|
}
|
sdiodev->rx_priv = rx_priv;
|
|
tx_priv = aicwf_tx_init(sdiodev);
|
if (!tx_priv) {
|
sdio_err("tx init fail\n");
|
goto fail;
|
}
|
sdiodev->tx_priv = tx_priv;
|
aicwf_frame_queue_init(&tx_priv->txq, 8, TXQLEN);
|
spin_lock_init(&tx_priv->txqlock);
|
sema_init(&tx_priv->txctl_sema, 1);
|
sema_init(&tx_priv->cmd_txsema, 1);
|
init_waitqueue_head(&tx_priv->cmd_txdone_wait);
|
atomic_set(&tx_priv->tx_pktcnt, 0);
|
|
#if defined(CONFIG_SDIO_PWRCTRL)
|
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 14, 0)
|
init_timer(&sdiodev->timer);
|
sdiodev->timer.data = (ulong) sdiodev;
|
sdiodev->timer.function = aicwf_sdio_bus_pwrctl;
|
#else
|
timer_setup(&sdiodev->timer, aicwf_sdio_bus_pwrctl, 0);
|
#endif
|
init_completion(&sdiodev->pwrctrl_trgg);
|
#ifdef AICWF_SDIO_SUPPORT
|
sdiodev->pwrctl_tsk = kthread_run(aicwf_sdio_pwrctl_thread, sdiodev, "aicwf_pwrctl");
|
#endif
|
if (IS_ERR(sdiodev->pwrctl_tsk)) {
|
sdiodev->pwrctl_tsk = NULL;
|
}
|
#endif
|
|
ret = aicwf_bus_init(0, sdiodev->dev);
|
if (ret < 0) {
|
sdio_err("bus init fail\n");
|
goto fail;
|
}
|
|
ret = aicwf_bus_start(bus_if);
|
if (ret != 0) {
|
sdio_err("bus start fail\n");
|
goto fail;
|
}
|
|
return sdiodev;
|
|
fail:
|
aicwf_sdio_release(sdiodev);
|
return NULL;
|
}
|
|
uint8_t crc8_ponl_107(uint8_t *p_buffer, uint16_t cal_size)
|
{
|
uint8_t i;
|
uint8_t crc = 0;
|
if (cal_size==0) {
|
return crc;
|
}
|
while (cal_size--) {
|
for (i = 0x80; i > 0; i /= 2) {
|
if (crc & 0x80) {
|
crc *= 2;
|
crc ^= 0x07; //polynomial X8 + X2 + X + 1,(0x107)
|
} else {
|
crc *= 2;
|
}
|
if ((*p_buffer) & i) {
|
crc ^= 0x07;
|
}
|
}
|
p_buffer++;
|
}
|
|
return crc;
|
}
|
|
#ifdef CONFIG_WIFI_SUSPEND_FOR_LINUX
|
void rwnx_set_wifi_suspend(char onoff){
|
int ret = 0;
|
if (onoff == '0') {
|
printk("%s resume \r\n", __func__);
|
rwnx_send_me_set_lp_level(g_rwnx_plat->sdiodev->rwnx_hw, 0);
|
}else{
|
printk("%s suspend \r\n", __func__);
|
rwnx_send_me_set_lp_level(g_rwnx_plat->sdiodev->rwnx_hw, 1);
|
aicwf_sdio_pwr_stctl(g_rwnx_plat->sdiodev, SDIO_SLEEP_ST);
|
ret = aicwf_sdio_writeb(g_rwnx_plat->sdiodev, SDIOWIFI_WAKEUP_REG, 2);
|
if (ret < 0) {
|
sdio_err("reg:%d write failed!\n", SDIOWIFI_WAKEUP_REG);
|
}
|
}
|
}
|
|
static ssize_t rwnx_wifi_suspend_write_proc(struct file *file,
|
const char __user *buffer,
|
size_t count, loff_t *pos){
|
char onoff;
|
|
if (count < 1)
|
return -EINVAL;
|
|
if (copy_from_user(&onoff, buffer, 1))
|
return -EFAULT;
|
|
rwnx_set_wifi_suspend(onoff);
|
|
return count;
|
}
|
|
static const struct file_operations wifi_suspend_fops = {
|
.owner = THIS_MODULE,
|
.write = rwnx_wifi_suspend_write_proc,
|
};
|
|
void rwnx_init_wifi_suspend_node(void){
|
struct proc_dir_entry *ent;
|
|
wifi_suspend_node = proc_mkdir("wifi_suspend", NULL);
|
if (wifi_suspend_node == NULL) {
|
printk("Unable to create /proc/wifi_suspend directory");
|
}
|
|
ent = proc_create("suspend", 0660, wifi_suspend_node, &wifi_suspend_fops);
|
if (ent == NULL) {
|
printk("Unable to create /proc/wifi_suspend/suspend");
|
}
|
}
|
|
void rwnx_deinit_wifi_suspend_node(void){
|
remove_proc_entry("suspend", wifi_suspend_node);
|
remove_proc_entry("wifi_suspend", 0);
|
}
|
#endif//CONFIG_WIFI_SUSPEND_FOR_LINUX
|
