static int imx_3stack_mach_probe(struct snd_soc_machine
*machine)
{
struct snd_soc_codec *codec;
struct snd_soc_pcm_link *pcm_link;
int i, ret;
pcm_link = list_first_entry(&machine->active_list,
struct snd_soc_pcm_link, active_list);
wm8903_3stack_pcm_link = pcm_link;
codec = pcm_link->codec;
gpio_activate_audio_ports();
codec->ops->io_probe(codec, machine);
/* set unused imx_3stack WM8903 codec pins */
snd_soc_dapm_set_endpoint(machine, "IN2R", 0);
snd_soc_dapm_set_endpoint(machine, "IN1R", 0);
/* Add imx_3stack specific widgets */
for (i = 0; i < ARRAY_SIZE(imx_3stack_dapm_widgets); i++) {
snd_soc_dapm_new_control(machine, codec,
&imx_3stack_dapm_widgets[i]);
}
for (i = 0; i < ARRAY_SIZE(imx_3stack_machine_controls); i++) {
ret = snd_ctl_add(machine->card,
snd_soc_cnew(&imx_3stack_machine_controls[i],
codec, NULL));
if (ret < 0)
return ret;
}
/* set up imx_3stack specific audio path audio map */
for (i = 0; audio_map[i][0] != NULL; i++) {
snd_soc_dapm_connect_input(machine, audio_map[i][0],
audio_map[i][1], audio_map[i][2]);
}
imx_3stack_ext_control();
snd_soc_dapm_set_policy(machine, SND_SOC_DAPM_POLICY_STREAM);
snd_soc_dapm_sync_endpoints(machine);
wm8903_hp_initialize_hp_detect(codec);
wm8903_hp_status(codec);
gpio_config(WM8903_IRQ_GPIO_PORT, WM8903_IRQ_GPIO_NUM,
false, GPIO_INT_RISE_EDGE);
gpio_request_irq(WM8903_IRQ_GPIO_PORT, WM8903_IRQ_GPIO_NUM,
GPIO_LOW_PRIO,
imx_headphone_detect_handler, 0,
"headphone", pcm_link);
/* register card with ALSA upper layers */
ret = snd_soc_register_card(machine);
if (ret < 0) {
pr_err("%s: failed to register sound card\n", __func__);
return ret;
}
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 0
#ifdef CONFIG_OTG_ZASEVB_DIFFERENTIAL_UNIDIRECTIONAL
int mode = XCVR_D_D;
#elif CONFIG_OTG_ZASEVB_DIFFERENTIAL_BIDIRECTIONAL
#elif CONFIG_OTG_ZASEVB_SINGLE_ENDED_UNIDIRECTIONAL
#elif CONFIG_OTG_ZASEVB_SINGLE_ENDED_BIDIRECTIONAL
int mode = XCVR_SE0_SE0;
#endif /* CONFIG_OTG_ZASEVB_.... */
#endif
#if 1
#ifdef CONFIG_OTG_ZASEVB_DIFFERENTIAL_BIDIRECTIONAL
int hwmode = XCVR_D_D;
int newmode = XCVR_D_D;
#elif CONFIG_OTG_ZASEVB_DIFFERENTIAL_UNIDIRECTIONAL
int hwmode = XCVR_D_SE0_NEW;
int newmode = XCVR_D_D;
#elif CONFIG_OTG_ZASEVB_SINGLE_ENDED_UNIDIRECTIONAL
int hwmode = XCVR_SE0_D_NEW;
int newmode = XCVR_SE0_D_NEW;
#elif CONFIG_OTG_ZASEVB_SINGLE_ENDED_BIDIRECTIONAL
int hwmode = XCVR_SE0_SE0;
int newmode = XCVR_SE0_SE0;
#else
#error Please Configure Transceiver Mode
#endif /* CONFIG_OTG_ZASEVB_.... */
#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_I30030EVB) || defined(CONFIG_ARCH_I30030EVB)
printk(KERN_INFO"IOMUX setting for I30030EVB\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_ARCH_I30030EVB */
#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);
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);
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);
break;
case XCVR_SE0_SE0:
TRACE_MSG0(TCD, "SE0_SE0 - SEO_bidirectional");
printk(KERN_INFO"%s: SE0_SE0 - Single Ended Bidirectional\n", __FUNCTION__);
mc13783_convity_set_single_ended_mode(TRUE);
mc13783_convity_set_directional_mode(TRUE);
break;
}
TRACE_MSG0(TCD, "7. SET HWMODE");
mxc_set_transceiver_mode(newmode);
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
#if 1
for (i=48; i<51; i++){
mc13783_read_reg (PRIO_CONN, i, ®_value);
printk (KERN_INFO"Register %d = %8X\n", i, reg_value);
}
#endif
#if 0 //test for interrupt on changing DP
iomux_config_mux(AP_GPIO_AP_C16,OUTPUTCONFIG_DEFAULT, INPUTCONFIG_NONE);
iomux_config_mux(AP_GPIO_AP_C17,OUTPUTCONFIG_DEFAULT, INPUTCONFIG_NONE);
gpio_config(2, 16, false, GPIO_INT_RISE_EDGE);
gpio = gpio_request_irq(2, 16, GPIO_HIGH_PRIO, gpio_c16_int_hndlr,
SA_SHIRQ, "VP1", NULL);
THROW_IF(gpio, error);
gpio_config_int_en(2, 16, TRUE); // XXX this might not be needed
gpio_config(2, 17, false, GPIO_INT_RISE_EDGE);
gpio = gpio_request_irq(2, 17, GPIO_HIGH_PRIO, gpio_c17_int_hndlr,
SA_SHIRQ, "VP1", NULL);
THROW_IF(gpio, error);
gpio_config_int_en(2, 17, TRUE); // XXX this might not be needed
while (1){
udelay(1000);
}
#endif
#if 0
while(1){
// mc13783_convity_set_var_disconnect (FALSE);
// mc13783_convity_set_udp_pull (FALSE);
// mc13783_convity_set_udp_auto_connect (TRUE);
// mc13783_convity_set_speed_mode (TRUE);
// mc13783_convity_set_pull_down_switch(PD_PU, FALSE);
}
#endif
#if 0 //beautiful pulse between zero and 3.3 on DP
mc13783_convity_set_speed_mode (FALSE); //set high speed
while(1){
mc13783_convity_set_pull_down_switch(PD_PU, TRUE); //variable 1.5K pull-up switch in
mc13783_convity_set_pull_down_switch(PD_UPD_15, FALSE); //DP pull down switch is off
udelay(1000);
mc13783_convity_set_pull_down_switch(PD_PU, FALSE); //variable 1.5K pull-up switch off
mc13783_convity_set_pull_down_switch(PD_UPD_15, TRUE); //DP pull down switch is on
udelay(1000);
}
#endif
#if 0 //beautiful pulse between zero and 3.3 on DM
mc13783_convity_set_speed_mode (TRUE); //set low speed
while(1){
mc13783_convity_set_pull_down_switch(PD_PU, TRUE); //variable 1.5K pull-up switch in
mc13783_convity_set_pull_down_switch(PD_UDM_15, FALSE); //DP pull down switch is off
udelay(1000);
mc13783_convity_set_pull_down_switch(PD_PU, FALSE); //variable 1.5K pull-up switch off
mc13783_convity_set_pull_down_switch(PD_UDM_15, TRUE); //DP pull down switch is on
udelay(1000);
}
#endif
#if 0 //checking VBUS
mc13783_convity_set_output (TRUE, TRUE); //enable VBUS
udelay(1000);
// mc13783_convity_set_output (TRUE, FALSE); //disable VBUS
while(1){
udelay(1000);
}
#endif
#if 0
while (1){
mc13783_convity_set_vbus (FALSE); //pull-down NMOS switch is on
}
#endif
#if 0
mc13783_convity_set_vusb_voltage (TRUE); //set the VUSB voltage to 3.3
mc13783_convity_set_output (FALSE, TRUE); //enable VUSB
#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;
}