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phonepad:delete board-rk30-phonepad-rfkill.c
This commit is contained in:
lw
parent
a71203a72c
commit
698daaad8e
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@ -30,7 +30,7 @@ CFLAGS_i2c_sram.o += -mthumb
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obj-$(CONFIG_MACH_RK3066_SDK) += board-rk30-sdk.o
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obj-$(CONFIG_MACH_RK30_SDK) += board-rk30-sdk.o
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obj-$(CONFIG_MACH_RK30_PHONE) += board-rk30-phone.o board-rk30-phone-key.o
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obj-$(CONFIG_MACH_RK30_PHONE_PAD) += board-rk30-phonepad.o board-rk30-phonepad-key.o board-rk30-phonepad-rfkill.o
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obj-$(CONFIG_MACH_RK30_PHONE_PAD) += board-rk30-phonepad.o board-rk30-phonepad-key.o
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obj-$(CONFIG_MACH_RK30_PHONE_LOQUAT) += board-rk30-phone-loquat.o board-rk30-phone-loquat-key.o
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obj-$(CONFIG_MACH_RK30_DS1001B) += board-rk30-ds1001b.o board-rk30-ds1001b-key.o board-rk30-ds1001b-rfkill.o
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obj-$(CONFIG_MACH_RK30_PHONE_A22) += board-rk30-phone-a22.o board-rk30-phone-a22-key.o
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@ -1,449 +0,0 @@
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/*
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* Copyright (C) 2010 ROCKCHIP, Inc.
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* Author: roger_chen <cz@rock-chips.com>
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*
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* This program is the bluetooth device bcm4329's driver,
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*
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*/
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/module.h>
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#include <linux/device.h>
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#include <linux/rfkill.h>
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#include <linux/delay.h>
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#include <linux/i2c.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/interrupt.h>
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#include <linux/wakelock.h>
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#include <linux/fs.h>
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#include <asm/uaccess.h>
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#include <mach/gpio.h>
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#include <asm/irq.h>
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#include <mach/iomux.h>
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#include <linux/wakelock.h>
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#include <linux/timer.h>
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#include <mach/board.h>
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#if 0
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#define DBG(x...) printk(KERN_INFO "[BT_RFKILL]: "x)
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#else
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#define DBG(x...)
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#endif
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#define LOG(x...) printk(KERN_INFO "[BT_RFKILL]: "x)
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#ifdef CONFIG_BCM4329
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#define WIFI_BT_POWER_TOGGLE 1
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#else
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#define WIFI_BT_POWER_TOGGLE 0
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#endif
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#define BT_WAKE_LOCK_TIMEOUT 10 //s
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#define BT_AUTO_SLEEP_TIMEOUT 3
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/*
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* IO Configuration for RK29
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*/
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#ifdef CONFIG_ARCH_RK29
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#define BT_WAKE_HOST_SUPPORT 0
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/* IO configuration */
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// BT power pin
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#define BT_GPIO_POWER RK29_PIN5_PD6
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#define IOMUX_BT_GPIO_POWER() rk29_mux_api_set(GPIO5D6_SDMMC1PWREN_NAME, GPIO5H_GPIO5D6);
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// BT reset pin
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#define BT_GPIO_RESET RK29_PIN6_PC4
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#define IOMUX_BT_GPIO_RESET()
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// BT wakeup pin
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#define BT_GPIO_WAKE_UP RK29_PIN6_PC5
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#define IOMUX_BT_GPIO_WAKE_UP()
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// BT wakeup host pin
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#define BT_GPIO_WAKE_UP_HOST
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#define IOMUX_BT_GPIO_WAKE_UP_HOST()
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//bt cts paired to uart rts
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#define UART_RTS RK29_PIN2_PA7
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#define IOMUX_UART_RTS_GPIO() rk29_mux_api_set(GPIO2A7_UART2RTSN_NAME, GPIO2L_GPIO2A7)
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#define IOMUX_UART_RTS() rk29_mux_api_set(GPIO2A7_UART2RTSN_NAME, GPIO2L_UART2_RTS_N)
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/*
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* IO Configuration for RK30
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*/
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#elif defined (CONFIG_ARCH_RK30)
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#define BT_WAKE_HOST_SUPPORT 1
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/* IO configuration */
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// BT power pin
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#define BT_GPIO_POWER RK30_PIN3_PC7
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#define IOMUX_BT_GPIO_POWER() rk29_mux_api_set(GPIO3C7_SDMMC1WRITEPRT_NAME, GPIO3C_GPIO3C7);
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// BT reset pin
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#define BT_GPIO_RESET RK30_PIN3_PD1
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#define IOMUX_BT_GPIO_RESET() rk29_mux_api_set(GPIO3D1_SDMMC1BACKENDPWR_NAME, GPIO3D_GPIO3D1);
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// BT wakeup pin
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#define BT_GPIO_WAKE_UP RK30_PIN3_PC6
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#define IOMUX_BT_GPIO_WAKE_UP() rk29_mux_api_set(GPIO3C6_SDMMC1DETECTN_NAME, GPIO3C_GPIO3C6);
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// BT wakeup host pin
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#define BT_GPIO_WAKE_UP_HOST RK30_PIN6_PA7
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#define BT_IRQ_WAKE_UP_HOST gpio_to_irq(BT_GPIO_WAKE_UP_HOST)
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#define IOMUX_BT_GPIO_WAKE_UP_HOST()
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//bt cts paired to uart rts
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#define UART_RTS RK30_PIN1_PA3
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#define IOMUX_UART_RTS_GPIO() rk29_mux_api_set(GPIO1A3_UART0RTSN_NAME, GPIO1A_GPIO1A3)
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#define IOMUX_UART_RTS() rk29_mux_api_set(GPIO1A3_UART0RTSN_NAME, GPIO1A_UART0_RTS_N)
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#endif
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struct bt_ctrl
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{
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struct rfkill *bt_rfk;
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#if BT_WAKE_HOST_SUPPORT
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struct timer_list tl;
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bool b_HostWake;
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struct wake_lock bt_wakelock;
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#endif
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};
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static const char bt_name[] =
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#if defined(CONFIG_RKWIFI)
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#if defined(CONFIG_RKWIFI_26M)
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"rk903_26M"
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#else
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"rk903"
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#endif
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#elif defined(CONFIG_BCM4329)
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"bcm4329"
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#elif defined(CONFIG_MV8787)
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"mv8787"
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#else
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"bt_default"
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#endif
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;
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#if WIFI_BT_POWER_TOGGLE
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extern int rk29sdk_bt_power_state;
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extern int rk29sdk_wifi_power_state;
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#endif
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struct bt_ctrl gBtCtrl;
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struct timer_list bt_sleep_tl;
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void bcm4325_sleep(unsigned long bSleep);
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#if BT_WAKE_HOST_SUPPORT
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void resetBtHostSleepTimer(void)
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{
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mod_timer(&(gBtCtrl.tl),jiffies + BT_WAKE_LOCK_TIMEOUT*HZ);//再重新设置超时值。
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}
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void btWakeupHostLock(void)
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{
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if(gBtCtrl.b_HostWake == false){
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DBG("** Lock **\n");
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wake_lock(&(gBtCtrl.bt_wakelock));
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gBtCtrl.b_HostWake = true;
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}
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}
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void btWakeupHostUnlock(void)
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{
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if(gBtCtrl.b_HostWake == true){
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DBG("** UnLock **\n");
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wake_unlock(&(gBtCtrl.bt_wakelock)); //让系统睡眠
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gBtCtrl.b_HostWake = false;
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}
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}
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static void timer_hostSleep(unsigned long arg)
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{
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DBG("b_HostWake=%d\n", gBtCtrl.b_HostWake);
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btWakeupHostUnlock();
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}
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#ifdef CONFIG_PM
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static irqreturn_t bcm4329_wake_host_irq(int irq, void *dev)
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{
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DBG("%s\n",__FUNCTION__);
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btWakeupHostLock();
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resetBtHostSleepTimer();
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return IRQ_HANDLED;
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}
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static void rfkill_do_wakeup(struct work_struct *work)
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{
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// disable bt wakeup host
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DBG("** free irq\n");
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free_irq(BT_IRQ_WAKE_UP_HOST, NULL);
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DBG("Enable UART_RTS\n");
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gpio_set_value(UART_RTS, GPIO_LOW);
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IOMUX_UART_RTS();
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}
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static DECLARE_DELAYED_WORK(wakeup_work, rfkill_do_wakeup);
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static int bcm4329_rfkill_suspend(struct platform_device *pdev, pm_message_t state)
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{
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DBG("%s\n",__FUNCTION__);
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cancel_delayed_work(&wakeup_work);
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#ifdef CONFIG_BT_AUTOSLEEP
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bcm4325_sleep(1);
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#endif
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DBG("Disable UART_RTS\n");
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//To prevent uart to receive bt data when suspended
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IOMUX_UART_RTS_GPIO();
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gpio_request(UART_RTS, "uart_rts");
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gpio_set_value(UART_RTS, GPIO_HIGH);
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// enable bt wakeup host
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DBG("Request irq for bt wakeup host\n");
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if (0 == request_irq(BT_IRQ_WAKE_UP_HOST,
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bcm4329_wake_host_irq,
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IRQF_TRIGGER_FALLING,
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"bt_wake",
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NULL))
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enable_irq_wake(BT_IRQ_WAKE_UP_HOST);
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else
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LOG("Failed to request BT_WAKE_UP_HOST irq\n");
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#ifdef CONFIG_RFKILL_RESET
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extern void rfkill_set_block(struct rfkill *rfkill, bool blocked);
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rfkill_set_block(gBtCtrl.bt_rfk, true);
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#endif
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return 0;
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}
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static int bcm4329_rfkill_resume(struct platform_device *pdev)
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{
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DBG("%s\n",__FUNCTION__);
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// 系统退出二级睡眠后需要拉低RTS，从而才允许BT发数据过来
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// 但是目前发现在resume函数中直接拉低RTS会导致BT数据丢失
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// 所以延迟1s后再拉低RTS
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// 系统退出二级睡眠时释放掉BT_IRQ_WAKE_UP_HOST，在睡眠时候再
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// 次申请，目前发现中断回调函数比resume更晚执行，如果resume
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// 时直接free掉IRQ，会导致中断回调函数不会被执行，
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DBG("delay 1s\n");
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schedule_delayed_work(&wakeup_work, HZ);
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return 0;
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}
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#else
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#define bcm4329_rfkill_suspend NULL
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#define bcm4329_rfkill_resume NULL
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#endif
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#else
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#ifdef CONFIG_PM
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static int bcm4329_rfkill_suspend(struct platform_device *pdev, pm_message_t state)
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{
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#ifdef CONFIG_BT_AUTOSLEEP
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bcm4325_sleep(1);
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#endif
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return 0;
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}
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#else
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#define bcm4329_rfkill_suspend NULL
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#endif
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#define bcm4329_rfkill_resume NULL
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#endif
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void bcm4325_sleep(unsigned long bSleep)
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{
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DBG("*** bt sleep: %d ***\n", bSleep);
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#ifdef CONFIG_BT_AUTOSLEEP
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del_timer(&bt_sleep_tl);// cmy: 确保在唤醒BT时，不会因触发bt_sleep_tl而马上睡眠
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#endif
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IOMUX_BT_GPIO_WAKE_UP();
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gpio_set_value(BT_GPIO_WAKE_UP, bSleep?GPIO_LOW:GPIO_HIGH);
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#ifdef CONFIG_BT_AUTOSLEEP
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if(!bSleep)
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mod_timer(&bt_sleep_tl, jiffies + BT_AUTO_SLEEP_TIMEOUT*HZ);//再重新设置超时值。
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#endif
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}
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static int bcm4329_set_block(void *data, bool blocked)
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{
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DBG("set blocked :%d\n", blocked);
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IOMUX_BT_GPIO_POWER();
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IOMUX_BT_GPIO_RESET();
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if (false == blocked) {
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gpio_set_value(BT_GPIO_POWER, GPIO_HIGH); /* bt power on */
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mdelay(20);
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gpio_set_value(BT_GPIO_RESET, GPIO_LOW);
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mdelay(20);
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gpio_set_value(BT_GPIO_RESET, GPIO_HIGH); /* bt reset deactive*/
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mdelay(20);
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bcm4325_sleep(0); // ensure bt is wakeup
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pr_info("bt turn on power\n");
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} else {
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#if WIFI_BT_POWER_TOGGLE
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if (!rk29sdk_wifi_power_state) {
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#endif
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gpio_set_value(BT_GPIO_POWER, GPIO_LOW); /* bt power off */
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mdelay(20);
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pr_info("bt shut off power\n");
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#if WIFI_BT_POWER_TOGGLE
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}else {
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pr_info("bt shouldn't shut off power, wifi is using it!\n");
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}
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#endif
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gpio_set_value(BT_GPIO_RESET, GPIO_LOW); /* bt reset active*/
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mdelay(20);
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}
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#if WIFI_BT_POWER_TOGGLE
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rk29sdk_bt_power_state = !blocked;
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#endif
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return 0;
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}
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static const struct rfkill_ops bcm4329_rfk_ops = {
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.set_block = bcm4329_set_block,
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};
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static int __devinit bcm4329_rfkill_probe(struct platform_device *pdev)
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{
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int rc = 0;
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bool default_state = true;
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DBG("Enter %s\n",__FUNCTION__);
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/* default to bluetooth off */
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bcm4329_set_block(NULL, default_state); /* blocked -> bt off */
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gBtCtrl.bt_rfk = rfkill_alloc(bt_name,
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NULL,
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RFKILL_TYPE_BLUETOOTH,
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&bcm4329_rfk_ops,
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NULL);
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if (!gBtCtrl.bt_rfk)
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{
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LOG("fail to rfkill_allocate\n");
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return -ENOMEM;
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}
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rfkill_set_states(gBtCtrl.bt_rfk, default_state, false);
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rc = rfkill_register(gBtCtrl.bt_rfk);
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if (rc)
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{
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LOG("failed to rfkill_register,rc=0x%x\n",rc);
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rfkill_destroy(gBtCtrl.bt_rfk);
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}
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gpio_request(BT_GPIO_POWER, NULL);
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gpio_request(BT_GPIO_RESET, NULL);
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gpio_request(BT_GPIO_WAKE_UP, NULL);
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#ifdef CONFIG_BT_AUTOSLEEP
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init_timer(&bt_sleep_tl);
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bt_sleep_tl.expires = 0;
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bt_sleep_tl.function = bcm4325_sleep;
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bt_sleep_tl.data = 1;
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add_timer(&bt_sleep_tl);
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#endif
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#if BT_WAKE_HOST_SUPPORT
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init_timer(&(gBtCtrl.tl));
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gBtCtrl.tl.expires = 0;
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gBtCtrl.tl.function = timer_hostSleep;
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add_timer(&(gBtCtrl.tl));
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gBtCtrl.b_HostWake = false;
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wake_lock_init(&(gBtCtrl.bt_wakelock), WAKE_LOCK_SUSPEND, "bt_wake");
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rc = gpio_request(BT_GPIO_WAKE_UP_HOST, "bt_wake");
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if (rc) {
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LOG("Failed to request BT_WAKE_UP_HOST\n");
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}
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IOMUX_BT_GPIO_WAKE_UP_HOST();
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gpio_pull_updown(BT_GPIO_WAKE_UP_HOST,GPIOPullUp);
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#endif
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LOG("bcm4329 module has been initialized,rc=0x%x\n",rc);
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return rc;
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}
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static int __devexit bcm4329_rfkill_remove(struct platform_device *pdev)
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{
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if (gBtCtrl.bt_rfk)
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rfkill_unregister(gBtCtrl.bt_rfk);
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gBtCtrl.bt_rfk = NULL;
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#if BT_WAKE_HOST_SUPPORT
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del_timer(&(gBtCtrl.tl));//删掉定时器
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btWakeupHostUnlock();
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wake_lock_destroy(&(gBtCtrl.bt_wakelock));
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#endif
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#ifdef CONFIG_BT_AUTOSLEEP
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del_timer(&bt_sleep_tl);
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#endif
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platform_set_drvdata(pdev, NULL);
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DBG("Enter %s\n",__FUNCTION__);
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return 0;
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}
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static struct platform_driver bcm4329_rfkill_driver = {
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.probe = bcm4329_rfkill_probe,
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.remove = __devexit_p(bcm4329_rfkill_remove),
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.driver = {
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.name = "rk29sdk_rfkill",
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.owner = THIS_MODULE,
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},
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.suspend = bcm4329_rfkill_suspend,
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.resume = bcm4329_rfkill_resume,
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};
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/*
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* Module initialization
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*/
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static int __init bcm4329_mod_init(void)
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{
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int ret;
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DBG("Enter %s\n",__FUNCTION__);
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ret = platform_driver_register(&bcm4329_rfkill_driver);
|
||||
LOG("ret=0x%x\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void __exit bcm4329_mod_exit(void)
|
||||
{
|
||||
platform_driver_unregister(&bcm4329_rfkill_driver);
|
||||
}
|
||||
|
||||
module_init(bcm4329_mod_init);
|
||||
module_exit(bcm4329_mod_exit);
|
||||
MODULE_DESCRIPTION("bcm4329 Bluetooth driver");
|
||||
MODULE_AUTHOR("roger_chen cz@rock-chips.com, cmy@rock-chips.com");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user