void mxc_mc13783_mod_exit(void)
{
while (PENDING_WORK_ITEM(mc13783_work_bh)) {
printk(KERN_ERR"%s: waiting for mc13783_work_bh\n", __FUNCTION__);
schedule_timeout(10 * HZ);
}
while (PENDING_WORK_ITEM(mc13783_otg_wq)) {
printk(KERN_ERR"%s: waiting for mc13783_otg_wq\n", __FUNCTION__);
schedule_timeout(10 * HZ);
}
/* Investigate if these exist
mc13783_convity_set_interface_mode(IM_RS232_1);
mc13783_convity_set_var_disconnect(TRUE);
mc13783_convity_set_udp_auto_connect (FALSE);
mc13783_convity_set_udp_pull (FALSE);
mc13783_convity_set_pull_down_switch(PD_PU, FALSE);
mc13783_convity_set_pull_down_switch(PD_UPD_15, FALSE);
mc13783_convity_set_pull_down_switch(PD_UDM_15, FALSE);
mc13783_convity_event_unsub(IT_CONVITY_USBI, mc13783_usbi_handler);
mc13783_convity_event_unsub(IT_CONVITY_IDI, mc13783_idi_handler);
mc13783_convity_event_unsub(IT_CONVITY_SE1I, mc13783_se1i_handler);
*/
// Remove the following lines if above are needed.
power_ic_periph_set_usb_pull_up(FALSE);
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_UDPPD, FALSE);
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_UDMPD, FALSE);
}
/*! mc13783_bh
* */
void mc13783_bh(void *arg)
{
TRACE_MSG0(TCD, "--");
global_flag = global_flag_array[start_flag];
if (global_flag & PUDP_FLAG_SET){ //set DP pullup
//mc13783_convity_set_speed_mode (FALSE); //set high speed
//mc13783_convity_set_pull_down_switch(PD_PU, TRUE); //variable 1.5K pull-up switch in
power_ic_periph_set_usb_pull_up(TRUE);
}
if (global_flag & PUDP_FLAG_RESET){ //reset DP pullup
//mc13783_convity_set_speed_mode (FALSE); //set high speed
//mc13783_convity_set_pull_down_switch(PD_PU, FALSE); //variable 1.5K pull-up switch off
power_ic_periph_set_usb_pull_up(FALSE); // Turn off the USB pullup
}
if (global_flag & PUDM_FLAG_SET){ //set DM pullup
//mc13783_convity_set_speed_mode (TRUE); //set low speed
//mc13783_convity_set_pull_down_switch(PD_PU, TRUE); //variable 1.5K pull-up switch in
power_ic_periph_set_usb_pull_up(TRUE);
}
if (global_flag & PUDM_FLAG_RESET){ //reset DM pullup
//mc13783_convity_set_speed_mode (TRUE); //set low speed
//mc13783_convity_set_pull_down_switch(PD_PU, FALSE); //variable 1.5K pull-up switch off
power_ic_periph_set_usb_pull_up(FALSE); // Turn off the USB pullup
}
if (global_flag & UPD_FLAG_SET){ //set DP pulldown
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_UDPPD, TRUE);
//mc13783_convity_set_pull_down_switch(PD_UPD_15, TRUE); //DP pull down switch is on
}
if (global_flag & UPD_FLAG_RESET){ //reset DP pulldown
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_UDPPD, FALSE);
//mc13783_convity_set_pull_down_switch(PD_UPD_15, FALSE); //DP pull down switch is off
}
if (global_flag & UDM_FLAG_SET){ //set DM pulldown
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_UDMPD, TRUE);
//mc13783_convity_set_pull_down_switch(PD_UDM_15, TRUE); //DP pull down switch is on
}
if (global_flag & UDM_FLAG_RESET){ //reset DM pulldown
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_UDMPD, FALSE);
//mc13783_convity_set_pull_down_switch(PD_UDM_15, FALSE); //DP pull down switch is off
}
/* Used for OTG
if (global_flag & DRV_VBUS_SET){ //enable vbus voltage
// mc13783_convity_set_output (FALSE, FALSE); //disable VUSB
mc13783_convity_set_output (TRUE, TRUE); //enable VBUS
}
if (global_flag & DRV_VBUS_RESET){ //disable vbus voltage
// mc13783_convity_set_output (FALSE, FALSE); //disable VUSB
mc13783_convity_set_output (TRUE, FALSE); //disable VBUS
}
if (global_flag & CHRG_VBUS_SET){ //enable vbus
#ifndef VBUS_TIMER
mc13783_convity_set_output (TRUE, TRUE); //enable VBUS
#else
mc13783_convity_set_vbus_reg (3); //set VBUS on for 30 ms
#endif
}
if (global_flag & CHRG_VBUS_RESET){ //disable vbus
mc13783_convity_set_output (TRUE, FALSE); //disable VBUS
}
if (global_flag & DISCHRG_VBUS_SET){ //discharge vbus
mc13783_convity_set_output (TRUE, FALSE); //disable VBUS
mc13783_convity_set_vusb_voltage (TRUE); //set the VUSB voltage to 3.3
mc13783_convity_set_output (FALSE, TRUE); //enable VUSB
}
if (global_flag & DISCHRG_VBUS_RESET){ //discharge vbus disable
mc13783_convity_set_output (TRUE, FALSE); //disable VBUS
mc13783_convity_set_output (FALSE, TRUE); //enable VUSB
// mc13783convity_set_output (FALSE, FALSE); //disable VUSB
}
*/
TRACE_MSG3 (TCD, "gloabl flag %d start_flag %d end_flag %d", global_flag, start_flag, end_flag);
global_flag = 0;
global_flag_array[start_flag] = 0;
if (start_flag ++ > 15)
start_flag = 0;
if (start_flag != end_flag)
SCHEDULE_WORK(mc13783_work_bh);
}
static int do_ioctl(struct inode * inode, struct file *filp,
u_int cmd, u_long arg)
{
struct apm_user * as;
struct pm_dev * pm;
struct ipm_config conf;
as = filp->private_data;
if (check_apm_user(as, "ioctl"))
return -EIO;
memset(&conf, 0, sizeof(conf));
switch (cmd) {
case APM_IOC_SUSPEND:
pm_do_suspend(CPUMODE_SLEEP);
break;
case APM_IOC_SET_WAKEUP:
if ((pm = pm_find((pm_dev_t)arg,NULL)) == NULL)
return -EINVAL;
pm_send(pm,PM_SET_WAKEUP,NULL);
break;
case APM_IOC_SLEEP:
pm_go_sleep(arg);
break;
case APM_IOC_SET_SPROF_WIN:
sleep_to = arg * HZ;
APM_DPRINTK("do_ioctl: sleep timeout %ld\n", arg);
break;
case APM_IOC_WAKEUP_ENABLE:
PWER |= arg;
APM_DPRINTK("do_ioctl: enable wakeup source:PWER=0x%x\n", PWER);
break;
case APM_IOC_WAKEUP_DISABLE:
PWER &= ~arg;
APM_DPRINTK("do_ioctl: disable wakeup source:PWER=0x%x\n", PWER);
break;
case APM_IOC_POWEROFF:
APM_DPRINTK("do_ioctl: do power off\n");
/* here all device should response ok */
pm_send_all(PM_SUSPEND, (void *)3);
pm_do_poweroff();
pm_send_all(PM_RESUME, (void *)0);
break;
case APM_IOC_RESET_BP:
APM_DPRINTK("do_ioctl: reset bp\n");
GPCR(GPIO_BB_RESET) = GPIO_bit(GPIO_BB_RESET);
mdelay(1);
GPSR(GPIO_BB_RESET) = GPIO_bit(GPIO_BB_RESET);
break;
case APM_IOC_USEROFF_ENABLE:
APM_DPRINTK("do_ioctl: useroff support enable\n");
user_off_available = (int)arg;
break;
case APM_IOC_NOTIFY_BP:
break;
case APM_IOC_REFLASH:
cpu_proc_fin();
*(unsigned long *)(phys_to_virt(FLAG_ADDR)) = REFLASH_FLAG;
// power_ic_periph_set_usb_pull_up(0);
//LIN mdelay(1000);
//LIN let GPIO control the connectivity
#include <linux/power_ic.h>
set_GPIO_mode(GPIO_USB_READY|GPIO_OUT);
clr_GPIO(GPIO_USB_READY);
power_ic_periph_set_usb_pull_up(0);
mdelay(10);
power_ic_set_reg_bit(POWER_IC_REG_EOC_CONN_CONTROL,19,1);//LIN set USB_CNTRL(bit19) to disable emu control
mdelay(1000);
//LIN power_ic_periph_set_usb_pull_up(1);
/* Initialize the watchdog and let it fire */
OWER = OWER_WME;
OSSR = OSSR_M3;
OSMR3 = OSCR + CLOCK_TICK_RATE/100; /* ... in 10 ms */
MDREFR |= MDREFR_SLFRSH;
while(1);
break;
case APM_IOC_PASSTHRU:
cpu_proc_fin();
*(unsigned long *)(phys_to_virt(FLAG_ADDR)) = PASS_THRU_FLAG;
power_ic_periph_set_usb_pull_up(0);
mdelay(1000);
power_ic_periph_set_usb_pull_up(1);
/* Initialize the watchdog and let it fire */
OWER = OWER_WME;
OSSR = OSSR_M3;
OSMR3 = OSCR + CLOCK_TICK_RATE/100; /* ... in 10 ms */
MDREFR |= MDREFR_SLFRSH;
while(1);
break;
case APM_IOC_SET_IPROF_WIN:
/* set profile window size */
break;
case APM_IOC_STARTPMU:
if( pipm_start_pmu !=NULL )
pipm_start_pmu();
break;
case APM_IOC_GET_IPM_CONFIG:
get_ipm_config(&conf);
return (copy_to_user((void *)arg, &conf,sizeof(conf)))? -EFAULT:0;
break;
case APM_IOC_SET_IPM_CONFIG:
if(copy_from_user(&conf,(void *)arg,sizeof(conf)))
return -EFAULT;
return set_ipm_config(&conf);
break;
default:
return -EINVAL;
}
return 0;
}
/*!
* mxc91231_tcd_mod_init() - initial tcd setup
* This performs the platform specific hardware setup for the MX2ADS.
*/
int mxc91231_tcd_mod_init (void)
{
int i2c = 1;
int gpio = 1;
bool res;
unsigned int reg_value;
int i;
#if 1
#ifdef CONFIG_OTG_BRASSBOARD_DIFFERENTIAL_BIDIRECTIONAL
int hwmode = XCVR_D_D;
int newmode = XCVR_D_D;
#elif CONFIG_OTG_BRASSBOARD_DIFFERENTIAL_UNIDIRECTIONAL
int hwmode = XCVR_D_SE0_NEW;
int newmode = XCVR_D_D;
#elif CONFIG_OTG_BRASSBOARD_SINGLE_ENDED_UNIDIRECTIONAL
int hwmode = XCVR_SE0_D_NEW;
int newmode = XCVR_SE0_D_NEW;
#elif CONFIG_OTG_BRASSBOARD_SINGLE_ENDED_BIDIRECTIONAL
int hwmode = XCVR_SE0_SE0;
int newmode = XCVR_SE0_SE0;
#else
#error Please Configure Transceiver Mode
#endif /* CONFIG_OTG_BRASSBOARD_.... */
#endif
printk(KERN_INFO"%s: AAAA22\n",__FUNCTION__);
TRACE_MSG0(TCD, "1. mc13783 Connectivity");
mxc_mc13783_mod_init();
TRACE_MSG0(TCD, "2. Transceiver setup");
switch(hwmode) {
case XCVR_D_D:
case XCVR_SE0_D_NEW:
case XCVR_D_SE0_NEW:
break;
case XCVR_SE0_SE0:
// this works with XCVR_SE0_SE0 if AP_GPIO_AP_C16 not configured
//isp1301_configure(dat_se0_bidirectional, spd_susp_reg); // XCVR_SEO_SE0
// XXX configure mc13783 transceiver here
break;
}
//isp1301_configure(vp_vm_bidirectional, spd_susp_reg); // XCVR_D_D
TRACE_MSG0(TCD, "5. SET TCD OPS");
THROW_UNLESS(mxc91231_tcd_instance = otg_set_tcd_ops(&tcd_ops), error);
mxc_iomux_gpio_mc13783_set (hwmode);
#if 0
/*
*
* Default
* USB_TXEO_B OE (9 OE)
* USB_DAT_VP DAT_VP (14 DAT/VP)
* USB_SE0_VM SE0_VM (13 SE0/VM)
*
* USB_RXD RCV (12 RCV)
*
* USB_VP VP (11 VP)
* USB_VM VM (10 VM)
*
* AR_USB_VP GP_AP_C16 MUX3 - USB_VP1 AP_GPIO_AP_C16
* AR_USB_VM GP_AP_C17 MUX3 - USB_VM1 AP_GPIO_AP_C17
*/
TRACE_MSG0(OCD, "6. Setup USBOTG IOMUX");
#if defined(CONFIG_ARCH_MXC91231)
printk(KERN_INFO"IOMUX setting for MXC91231\n");
iomux_config_mux(SP_USB_TXOE_B, OUTPUTCONFIG_FUNC1, INPUTCONFIG_FUNC1);
iomux_config_mux(SP_USB_DAT_VP, OUTPUTCONFIG_FUNC1, INPUTCONFIG_FUNC1);
iomux_config_mux(SP_USB_SE0_VM, OUTPUTCONFIG_FUNC1, INPUTCONFIG_FUNC1);
iomux_config_mux(SP_USB_RXD, OUTPUTCONFIG_FUNC1, INPUTCONFIG_FUNC1);
#endif
#if defined(CONFIG_MACH_ARGONLVPHONE)
printk(KERN_INFO"IOMUX setting for MXC91331 and MXC91321\n");
iomux_config_mux(PIN_USB_XRXD, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC);
iomux_config_mux(PIN_USB_VMOUT, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC);
iomux_config_mux(PIN_USB_VPOUT, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC);
iomux_config_mux(PIN_USB_VPIN, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC);
iomux_config_mux(PIN_USB_TXENB, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC);
iomux_config_mux(PIN_USB_VMIN, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC);
#endif /* CONFIG_MACH_ARGONLVPHONE */
#endif
switch(hwmode) {
case XCVR_D_SE0_NEW:
TRACE_MSG0(TCD, "D_D - vp_vm_bidirectional");
printk(KERN_INFO"%s: D_D - Differential Unidirectional\n", __FUNCTION__);
// #if defined(CONFIG_ARCH_MXC91231)
// iomux_config_mux(AP_GPIO_AP_C16,OUTPUTCONFIG_FUNC3, INPUTCONFIG_FUNC3);
// iomux_config_mux(AP_GPIO_AP_C17,OUTPUTCONFIG_FUNC3, INPUTCONFIG_FUNC3);
// #endif
// mc13783_convity_set_single_ended_mode(FALSE);
// mc13783_convity_set_directional_mode(FALSE);
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_DATSE0, FALSE);
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_BIDIR, FALSE);
break;
case XCVR_SE0_D_NEW:
TRACE_MSG0(TCD, "SE0_D");
printk(KERN_INFO"%s: SE0_D - Single Ended Unidirectional\n", __FUNCTION__);
// mc13783_convity_set_single_ended_mode(TRUE);
// mc13783_convity_set_directional_mode(FALSE);
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_DATSE0, TRUE);
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_BIDIR, FALSE);
break;
case XCVR_D_D:
TRACE_MSG0(TCD, "D_SE0");
printk(KERN_INFO"%s: D_SE0 - Differential Bidirectional\n", __FUNCTION__);
// mc13783_convity_set_single_ended_mode(FALSE);
// mc13783_convity_set_directional_mode(TRUE);
// iomux_config_mux(AP_GPIO_AP_C16,OUTPUTCONFIG_FUNC3, INPUTCONFIG_FUNC3);
// iomux_config_mux(AP_GPIO_AP_C17,OUTPUTCONFIG_FUNC3, INPUTCONFIG_FUNC3);
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_DATSE0, FALSE);
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_BIDIR, TRUE);
break;
case XCVR_SE0_SE0:
TRACE_MSG0(TCD, "SE0_SE0 - SEO_bidirectional");
printk(KERN_INFO"%s: SE0_SE0 - Single Ended Bidirectional\n", __FUNCTION__);
printk("OTG_DEBUG: set GPIO 16 and 17 to defaults, config BIT_DATSE0 and BIT_BIDIR for 3 wire\n");
// mc13783_convity_set_single_ended_mode(TRUE);
//
#if defined(CONFIG_ARCH_MXC91231)
iomux_config_mux(AP_GPIO_AP_C16,OUTPUTCONFIG_DEFAULT, INPUTCONFIG_DEFAULT);
iomux_config_mux(AP_GPIO_AP_C17,OUTPUTCONFIG_DEFAULT, INPUTCONFIG_DEFAULT);
#endif
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_DATSE0, TRUE);
power_ic_set_reg_bit(POWER_IC_REG_ATLAS_USB_0, BIT_BIDIR, TRUE);
// debugging stuff
// unsigned int reg_value;
// power_ic_read_reg(POWER_IC_REG_ATLAS_USB_0, ®_value);
// printk("OTG_DEBUG: Atlas POWER_IC_REG_ATLAS_USB_0 register value is: %#8X\n", reg_value);
break;
}
TRACE_MSG0(TCD, "7. SET HWMODE");
mxc_set_transceiver_mode(newmode);
#if 0
// Need to test if the following lines are needed
mc13783_convity_set_var_disconnect (TRUE); // variable 1k5 and UDP/UDM pull-down are disconnected. (PULLOVER)
mc13783__convity_set_usb_transceiver (TRUE); //USB transceiver is disabled (USBXCVREN)
mc13783__convity_set_udp_auto_connect (FALSE); //variable UDP is not automatically connected (SE0CONN)
mc13783__convity_set_pull_down_switch (PD_UDP_150, FALSE); //150K UDP pull-up switch is out (DP150KPU)
mc13783__convity_set_udp_pull(FALSE); //1.5K UDP pull-up and USB xcver is controlled by SPI bits.(USBCNTRL)
mc13783__convity_set_output (TRUE, FALSE); //disable vbus
mc13783__convity_set_output (FALSE, FALSE); //disable vusb
mc13783__convity_set_output (FALSE, TRUE); //enable vusb
#endif
#if 0 // Need to turn this on just find power_ic call to replace mc13783 with
for (i=48; i<51; i++){
mc13783_read_reg (PRIO_CONN, i, ®_value);
printk (KERN_INFO"Register %d = %8X\n", i, reg_value);
}
#endif
/* Success! */
TRACE_MSG0(TCD, "8. Success!");
CATCH(error) {
printk(KERN_INFO"%s: failed\n", __FUNCTION__);
UNLESS (i2c) i2c_close();
//SHP
//UNLESS (gpio) gpio_free_irq (3, GPIO_PIN, GPIO_HIGH_PRIO);
return -EINVAL;
}
TRACE_MSG0(TCD, "MX2_MOD_TCD_INIT FINISHED");
return 0;
}
void power_ic_periph_set_usb_pull_up (int on)
{
/* Set the USB pull-up bit in the EMU One Chip register */
(void)power_ic_set_reg_bit (USB_PU_REG, USB_PU_INDEX, (on) ? 1 : 0);
}