static int __init
omap_leds_init(void)
{
if (!cpu_class_is_omap1())
return -ENODEV;
if (machine_is_omap_innovator())
leds_event = innovator_leds_event;
else if (machine_is_omap_h2()
|| machine_is_omap_h3()
|| machine_is_omap_perseus2())
leds_event = h2p2_dbg_leds_event;
else if (machine_is_omap_osk())
leds_event = osk_leds_event;
else
return -1;
if (machine_is_omap_h2()
|| machine_is_omap_h3()
#ifdef CONFIG_OMAP_OSK_MISTRAL
|| machine_is_omap_osk()
#endif
) {
/* LED1/LED2 pins can be used as GPIO (as done here), or by
* the LPG (works even in deep sleep!), to drive a bicolor
* LED on the H2 sample board, and another on the H2/P2
* "surfer" expansion board.
*
* The same pins drive a LED on the OSK Mistral board, but
* that's a different kind of LED (just one color at a time).
*/
omap_cfg_reg(P18_1610_GPIO3);
if (gpio_request(3, "LED red") == 0)
gpio_direction_output(3, 1);
else
printk(KERN_WARNING "LED: can't get GPIO3/red?\n");
omap_cfg_reg(MPUIO4);
if (gpio_request(OMAP_MPUIO(4), "LED green") == 0)
gpio_direction_output(OMAP_MPUIO(4), 1);
else
printk(KERN_WARNING "LED: can't get MPUIO4/green?\n");
}
leds_event(led_start);
return 0;
}
static int __init osk_ts_probe(struct omap_ts_t *ts)
{
#ifdef CONFIG_OMAP_OSK_MISTRAL
if (!machine_is_omap_osk())
return -ENODEV;
/* Configure GPIO4 (pin M17 ZDY) as /PENIRQ interrupt input */
omap_cfg_reg(P20_1610_GPIO4);
omap_request_gpio(4);
omap_set_gpio_direction(4, 1);
set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);
ts->irq = PEN_IRQ;
/* Configure uWire interface. ADS7846 is on CS0 */
omap_uwire_configure_mode(ADS7846_UWIRE_CS, UWIRE_READ_RISING_EDGE |
UWIRE_WRITE_RISING_EDGE |
UWIRE_CS_ACTIVE_LOW |
UWIRE_FREQ_DIV_2);
/* FIXME verify there's really a Mistral board:
* see if the AD7846 chip responds.
*/
/* NOTE: no VREF; must ignore the temp, VBAT, and AUX sensors */
return 0;
#else
return -ENODEV;
#endif
}
/**
* usb_hcd_omap_remove - shutdown processing for OMAP-based HCDs
* @dev: USB Host Controller being removed
* Context: !in_interrupt()
*
* Reverses the effect of usb_hcd_omap_probe(), first invoking
* the HCD's stop() method. It is always called from a thread
* context, normally "rmmod", "apmd", or something similar.
*
*/
void usb_hcd_omap_remove (struct usb_hcd *hcd, struct platform_device *pdev)
{
dev_info(&pdev->dev, "remove: state %x\n", hcd->state);
if (in_interrupt ())
BUG ();
hcd->state = USB_STATE_QUIESCING;
dev_dbg(&pdev->dev, "roothub graceful disconnect\n");
usb_disconnect (&hcd->self.root_hub);
hcd->driver->stop (hcd);
hcd_buffer_destroy (hcd);
hcd->state = USB_STATE_HALT;
if (machine_is_omap_osk())
omap_free_gpio(9);
free_irq (hcd->irq, hcd);
usb_deregister_bus (&hcd->self);
omap_stop_hc(pdev);
release_mem_region(pdev->resource[0].start,
pdev->resource[0].end - pdev->resource[0].start + 1);
}
static int __init osk_tps_init(void)
{
if (!machine_is_omap_osk())
return 0;
/* Let LED1 (D9) blink */
tps65010_set_led(LED1, BLINK);
/* Disable LED 2 (D2) */
tps65010_set_led(LED2, OFF);
/* Set GPIO 1 HIGH to disable VBUS power supply;
* OHCI driver powers it up/down as needed.
*/
tps65010_set_gpio_out_value(GPIO1, HIGH);
/* Set GPIO 2 low to turn on LED D3 */
tps65010_set_gpio_out_value(GPIO2, HIGH);
/* Set GPIO 3 low to take ethernet out of reset */
tps65010_set_gpio_out_value(GPIO3, LOW);
/* gpio4 for VDD_DSP */
/* FIXME send power to DSP iff it's configured */
/* Enable LOW_PWR */
tps65010_set_low_pwr(ON);
/* Switch VLDO2 to 3.0V for AIC23 */
tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
| TPS_LDO1_ENABLE);
return 0;
}
static int __init osk_soc_init(void)
{
int err;
u32 curRate;
struct device *dev;
if (!(machine_is_omap_osk()))
return -ENODEV;
osk_snd_device = platform_device_alloc("soc-audio", -1);
if (!osk_snd_device)
return -ENOMEM;
platform_set_drvdata(osk_snd_device, &osk_snd_devdata);
osk_snd_devdata.dev = &osk_snd_device->dev;
*(unsigned int *)osk_dai.cpu_dai->private_data = 0; /* McBSP1 */
err = platform_device_add(osk_snd_device);
if (err)
goto err1;
dev = &osk_snd_device->dev;
tlv320aic23_mclk = clk_get(dev, "mclk");
if (IS_ERR(tlv320aic23_mclk)) {
printk(KERN_ERR "Could not get mclk clock\n");
return -ENODEV;
}
if (clk_get_usecount(tlv320aic23_mclk) > 0) {
/* MCLK is already in use */
printk(KERN_WARNING
"MCLK in use at %d Hz. We change it to %d Hz\n",
(uint) clk_get_rate(tlv320aic23_mclk), CODEC_CLOCK);
}
/*
* Configure 12 MHz output on MCLK.
*/
curRate = (uint) clk_get_rate(tlv320aic23_mclk);
if (curRate != CODEC_CLOCK) {
if (clk_set_rate(tlv320aic23_mclk, CODEC_CLOCK)) {
printk(KERN_ERR "Cannot set MCLK for AIC23 CODEC\n");
err = -ECANCELED;
goto err1;
}
}
printk(KERN_INFO "MCLK = %d [%d], usecount = %d\n",
(uint) clk_get_rate(tlv320aic23_mclk), CODEC_CLOCK,
clk_get_usecount(tlv320aic23_mclk));
return 0;
err1:
clk_put(tlv320aic23_mclk);
platform_device_del(osk_snd_device);
platform_device_put(osk_snd_device);
return err;
}
static int __init osk_soc_init(void)
{
int err;
u32 curRate;
struct device *dev;
if (!(machine_is_omap_osk()))
return -ENODEV;
osk_snd_device = platform_device_alloc("soc-audio", -1);
if (!osk_snd_device)
return -ENOMEM;
platform_set_drvdata(osk_snd_device, &snd_soc_card_osk);
err = platform_device_add(osk_snd_device);
if (err)
goto err1;
dev = &osk_snd_device->dev;
tlv320aic23_mclk = clk_get(dev, "mclk");
if (IS_ERR(tlv320aic23_mclk)) {
printk(KERN_ERR "Could not get mclk clock\n");
err = PTR_ERR(tlv320aic23_mclk);
goto err2;
}
/*
* Configure 12 MHz output on MCLK.
*/
curRate = (uint) clk_get_rate(tlv320aic23_mclk);
if (curRate != CODEC_CLOCK) {
if (clk_set_rate(tlv320aic23_mclk, CODEC_CLOCK)) {
printk(KERN_ERR "Cannot set MCLK for AIC23 CODEC\n");
err = -ECANCELED;
goto err3;
}
}
#ifdef CONFIG_DEBUG_PRINTK
printk(KERN_INFO "MCLK = %d [%d]\n",
(uint) clk_get_rate(tlv320aic23_mclk), CODEC_CLOCK);
#else
;
#endif
return 0;
err3:
clk_put(tlv320aic23_mclk);
err2:
platform_device_del(osk_snd_device);
err1:
platform_device_put(osk_snd_device);
return err;
}
static int __init omap_kp_probe(struct device *dev)
{
int i;
/* Disable the interrupt for the MPUIO keyboard */
omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
if (machine_is_omap_h2() || machine_is_omap_h3()) {
keymap = h2_keymap;
set_bit(EV_REP, omap_kp_dev.evbit);
} else if (machine_is_omap_innovator()) {
keymap = innovator_keymap;
} else if (machine_is_omap_osk()) {
keymap = osk_keymap;
} else {
keymap = test_keymap;
}
init_timer(&kp_timer);
kp_timer.function = omap_kp_timer;
/* get the irq and init timer*/
tasklet_enable(&kp_tasklet);
if (request_irq(INT_KEYBOARD, omap_kp_interrupt, 0,
"omap-keypad", 0) < 0)
return -EINVAL;
/* setup input device */
set_bit(EV_KEY, omap_kp_dev.evbit);
for (i = 0; keymap[i] != 0; i++)
set_bit(keymap[i] & 0x00ffffff, omap_kp_dev.keybit);
omap_kp_dev.name = "omap-keypad";
input_register_device(&omap_kp_dev);
if (machine_is_omap_h2() || machine_is_omap_h3()) {
omap_cfg_reg(F18_1610_KBC0);
omap_cfg_reg(D20_1610_KBC1);
omap_cfg_reg(D19_1610_KBC2);
omap_cfg_reg(E18_1610_KBC3);
omap_cfg_reg(C21_1610_KBC4);
omap_cfg_reg(G18_1610_KBR0);
omap_cfg_reg(F19_1610_KBR1);
omap_cfg_reg(H14_1610_KBR2);
omap_cfg_reg(E20_1610_KBR3);
omap_cfg_reg(E19_1610_KBR4);
omap_cfg_reg(N19_1610_KBR5);
omap_writew(0xff, OMAP_MPUIO_BASE + OMAP_MPUIO_GPIO_DEBOUNCING);
}
/* scan current status and enable interrupt */
omap_kp_scan_keypad(keypad_state);
omap_writew(0, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
return 0;
}
/**
* usb_hcd_omap_remove - shutdown processing for OMAP-based HCDs
* @dev: USB Host Controller being removed
* Context: !in_interrupt()
*
* Reverses the effect of usb_hcd_omap_probe(), first invoking
* the HCD's stop() method. It is always called from a thread
* context, normally "rmmod", "apmd", or something similar.
*
*/
void usb_hcd_omap_remove (struct usb_hcd *hcd, struct platform_device *pdev)
{
usb_remove_hcd(hcd);
if (machine_is_omap_osk())
omap_free_gpio(9);
omap_stop_hc(pdev);
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
clk_put(usb_host_ck);
}
static int __init omap_uwire_init(void)
{
spin_lock_init(&uwire_lock);
uwire_write_reg(UWIRE_SR3, 1);
if (machine_is_omap_h2() || machine_is_omap_osk()) {
/* defaults: W21 SDO, U18 SDI, V19 SCL */
omap_cfg_reg(N14_1610_UWIRE_CS0);
omap_cfg_reg(N15_1610_UWIRE_CS1);
}
return 0;
}
/*
* Board specific gang-switched transceiver power on/off.
* NOTE: OSK supplies power from DC, not battery.
*/
static int omap_ohci_transceiver_power(int on)
{
if (on) {
if (machine_is_omap_innovator() && cpu_is_omap1510())
fpga_write(fpga_read(INNOVATOR_FPGA_CAM_USB_CONTROL)
| ((1 << 5/*usb1*/) | (1 << 3/*usb2*/)),
INNOVATOR_FPGA_CAM_USB_CONTROL);
else if (machine_is_omap_osk())
tps65010_set_gpio_out_value(GPIO1, LOW);
} else {
if (machine_is_omap_innovator() && cpu_is_omap1510())
fpga_write(fpga_read(INNOVATOR_FPGA_CAM_USB_CONTROL)
& ~((1 << 5/*usb1*/) | (1 << 3/*usb2*/)),
INNOVATOR_FPGA_CAM_USB_CONTROL);
else if (machine_is_omap_osk())
tps65010_set_gpio_out_value(GPIO1, HIGH);
}
return 0;
}
/*
* Hardware specific transceiver power on/off
*/
static int omap_ohci_transceiver_power(int on)
{
if (on) {
if (machine_is_omap_innovator() && cpu_is_omap1510())
fpga_write(fpga_read(INNOVATOR_FPGA_CAM_USB_CONTROL)
| ((1 << 5/*usb1*/) | (1 << 3/*usb2*/)),
INNOVATOR_FPGA_CAM_USB_CONTROL);
else if (machine_is_omap_osk()) {
/* FIXME: GPIO1 -> 1 on the TPS65010 I2C chip */
}
} else {
if (machine_is_omap_innovator() && cpu_is_omap1510())
fpga_write(fpga_read(INNOVATOR_FPGA_CAM_USB_CONTROL)
& ~((1 << 5/*usb1*/) | (1 << 3/*usb2*/)),
INNOVATOR_FPGA_CAM_USB_CONTROL);
else if (machine_is_omap_osk()) {
/* FIXME: GPIO1 -> 0 on the TPS65010 I2C chip */
}
}
return 0;
}
static int __init osk_soc_init(void)
{
int err;
u32 curRate;
struct device *dev;
if (!(machine_is_omap_osk()))
return -ENODEV;
osk_snd_device = platform_device_alloc("soc-audio", -1);
if (!osk_snd_device)
return -ENOMEM;
platform_set_drvdata(osk_snd_device, &osk_snd_devdata);
osk_snd_devdata.dev = &osk_snd_device->dev;
*(unsigned int *)osk_dai.cpu_dai->private_data = 0;
err = platform_device_add(osk_snd_device);
if (err)
goto err1;
dev = &osk_snd_device->dev;
tlv320aic23_mclk = clk_get(dev, "mclk");
if (IS_ERR(tlv320aic23_mclk)) {
printk(KERN_ERR "Could not get mclk clock\n");
return -ENODEV;
}
curRate = (uint) clk_get_rate(tlv320aic23_mclk);
if (curRate != CODEC_CLOCK) {
if (clk_set_rate(tlv320aic23_mclk, CODEC_CLOCK)) {
printk(KERN_ERR "Cannot set MCLK for AIC23 CODEC\n");
err = -ECANCELED;
goto err1;
}
}
printk(KERN_INFO "MCLK = %d [%d]\n",
(uint) clk_get_rate(tlv320aic23_mclk), CODEC_CLOCK);
return 0;
err1:
clk_put(tlv320aic23_mclk);
platform_device_del(osk_snd_device);
platform_device_put(osk_snd_device);
return err;
}
/**
* usb_hcd_omap_remove - shutdown processing for OMAP-based HCDs
* @dev: USB Host Controller being removed
* Context: !in_interrupt()
*
* Reverses the effect of usb_hcd_omap_probe(), first invoking
* the HCD's stop() method. It is always called from a thread
* context, normally "rmmod", "apmd", or something similar.
*/
static inline void
usb_hcd_omap_remove (struct usb_hcd *hcd, struct platform_device *pdev)
{
usb_remove_hcd(hcd);
if (!IS_ERR_OR_NULL(hcd->phy)) {
(void) otg_set_host(hcd->phy->otg, 0);
usb_put_phy(hcd->phy);
}
if (machine_is_omap_osk())
gpio_free(9);
iounmap(hcd->regs);
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
clk_put(usb_dc_ck);
clk_put(usb_host_ck);
}
/**
* usb_hcd_omap_remove - shutdown processing for OMAP-based HCDs
* @dev: USB Host Controller being removed
* Context: !in_interrupt()
*
* Reverses the effect of usb_hcd_omap_probe(), first invoking
* the HCD's stop() method. It is always called from a thread
* context, normally "rmmod", "apmd", or something similar.
*/
static inline void
usb_hcd_omap_remove (struct usb_hcd *hcd, struct platform_device *pdev)
{
struct ohci_hcd *ohci = hcd_to_ohci (hcd);
usb_remove_hcd(hcd);
if (ohci->transceiver) {
(void) otg_set_host(ohci->transceiver, 0);
put_device(ohci->transceiver->dev);
}
if (machine_is_omap_osk())
omap_free_gpio(9);
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
clk_put(usb_dc_ck);
clk_put(usb_host_ck);
}
/**
* usb_hcd_omap_remove - shutdown processing for OMAP-based HCDs
* @dev: USB Host Controller being removed
* Context: !in_interrupt()
*
* Reverses the effect of usb_hcd_omap_probe(), first invoking
* the HCD's stop() method. It is always called from a thread
* context, normally "rmmod", "apmd", or something similar.
*/
static inline void
usb_hcd_omap_remove (struct usb_hcd *hcd, struct platform_device *pdev)
{
dev_dbg(hcd->self.controller, "stopping USB Controller\n");
usb_remove_hcd(hcd);
omap_ohci_clock_power(0);
if (!IS_ERR_OR_NULL(hcd->phy)) {
(void) otg_set_host(hcd->phy->otg, 0);
usb_put_phy(hcd->phy);
}
if (machine_is_omap_osk())
gpio_free(9);
iounmap(hcd->regs);
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
clk_put(usb_dc_ck);
clk_put(usb_host_ck);
}
static void omap_kp_scan_keypad(unsigned char *state)
{
int col = 0;
/* read the keypad status */
omap_writew(0xff, OMAP_MPUIO_BASE + OMAP_MPUIO_KBC);
for (col = 0; col < 8; col++) {
omap_writew(~(1 << col) & 0xff, OMAP_MPUIO_BASE + OMAP_MPUIO_KBC);
if (machine_is_omap_osk() || machine_is_omap_h2() || machine_is_omap_h3()) {
udelay(9);
} else {
udelay(2);
}
state[col] = ~omap_readw(OMAP_MPUIO_BASE + OMAP_MPUIO_KBR_LATCH) & 0xff;
}
omap_writew(0x00, OMAP_MPUIO_BASE + OMAP_MPUIO_KBC);
udelay(2);
}
/**
* usb_hcd_omap_remove - shutdown processing for OMAP-based HCDs
* @dev: USB Host Controller being removed
* Context: !in_interrupt()
*
* Reverses the effect of usb_hcd_omap_probe(), first invoking
* the HCD's stop() method. It is always called from a thread
* context, normally "rmmod", "apmd", or something similar.
*/
static inline void
usb_hcd_omap_remove (struct usb_hcd *hcd, struct platform_device *pdev)
{
struct ohci_hcd *ohci = hcd_to_ohci (hcd);
usb_remove_hcd(hcd);
if (ohci->transceiver) {
(void) otg_set_host(ohci->transceiver, 0);
put_device(ohci->transceiver->dev);
}
#ifndef CONFIG_ARCH_OMAP34XX
if (machine_is_omap_osk())
gpio_free(9);
#endif
iounmap(hcd->regs);
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
#ifndef CONFIG_ARCH_OMAP34XX
clk_put(usb_dc_ck);
clk_put(usb_host_ck);
#endif
}
static int ohci_omap_init(struct usb_hcd *hcd)
{
struct ohci_hcd *ohci = hcd_to_ohci(hcd);
struct omap_usb_config *config = hcd->self.controller->platform_data;
int need_transceiver = (config->otg != 0);
int ret;
dev_dbg(hcd->self.controller, "starting USB Controller\n");
if (config->otg) {
ohci_to_hcd(ohci)->self.otg_port = config->otg;
/* */
ohci_to_hcd(ohci)->power_budget = 8;
}
/* */
need_transceiver = need_transceiver
|| machine_is_omap_h2() || machine_is_omap_h3();
if (cpu_is_omap16xx())
ocpi_enable();
#ifdef CONFIG_USB_OTG
if (need_transceiver) {
ohci->transceiver = usb_get_transceiver();
if (ohci->transceiver) {
int status = otg_set_host(ohci->transceiver->otg,
&ohci_to_hcd(ohci)->self);
dev_dbg(hcd->self.controller, "init %s transceiver, status %d\n",
ohci->transceiver->label, status);
if (status) {
if (ohci->transceiver)
put_device(ohci->transceiver->dev);
return status;
}
} else {
dev_err(hcd->self.controller, "can't find transceiver\n");
return -ENODEV;
}
ohci->start_hnp = start_hnp;
}
#endif
omap_ohci_clock_power(1);
if (cpu_is_omap15xx()) {
omap_1510_local_bus_power(1);
omap_1510_local_bus_init();
}
if ((ret = ohci_init(ohci)) < 0)
return ret;
/* */
if (machine_is_omap_osk() || machine_is_omap_innovator()) {
u32 rh = roothub_a (ohci);
/* */
rh &= ~RH_A_NPS;
/* */
if (machine_is_omap_osk()) {
ohci_to_hcd(ohci)->power_budget = 250;
rh &= ~RH_A_NOCP;
/* */
omap_cfg_reg(W8_1610_GPIO9);
gpio_request(9, "OHCI overcurrent");
gpio_direction_input(9);
/* */
omap_cfg_reg(W4_USB_HIGHZ);
}
ohci_writel(ohci, rh, &ohci->regs->roothub.a);
ohci->flags &= ~OHCI_QUIRK_HUB_POWER;
} else if (machine_is_nokia770()) {
/*
*/
ohci_to_hcd(ohci)->power_budget = 0;
}
/* */
omap_ohci_transceiver_power(1);
/*
*/
return 0;
}
static int omap_start_hc(struct ohci_hcd *ohci, struct platform_device *pdev)
{
struct omap_usb_config *config = pdev->dev.platform_data;
int need_transceiver = (config->otg != 0);
dev_dbg(&pdev->dev, "starting USB Controller\n");
if (config->otg) {
ohci->hcd.self.otg_port = config->otg;
/* default/minimum OTG power budget: 8 mA */
ohci->power_budget = 8;
}
/* boards can use OTG transceivers in non-OTG modes */
need_transceiver = need_transceiver
|| machine_is_omap_h2() || machine_is_omap_h3();
if (cpu_is_omap16xx())
ocpi_enable();
#ifdef CONFIG_ARCH_OMAP_OTG
if (need_transceiver) {
ohci->transceiver = otg_get_transceiver();
if (ohci->transceiver) {
int status = otg_set_host(ohci->transceiver,
&ohci->hcd.self);
dev_dbg(&pdev->dev, "init %s transceiver, status %d\n",
ohci->transceiver->label, status);
if (status) {
if (ohci->transceiver)
put_device(ohci->transceiver->dev);
return status;
}
} else {
dev_err(&pdev->dev, "can't find transceiver\n");
return -ENODEV;
}
}
#endif
if (machine_is_omap_osk()) {
omap_request_gpio(9);
omap_set_gpio_direction(9, 1);
omap_set_gpio_dataout(9, 1);
}
omap_ohci_clock_power(1);
omap_ohci_transceiver_power(1);
if (cpu_is_omap1510()) {
omap_1510_local_bus_power(1);
omap_1510_local_bus_init();
}
/* board init will have already handled HMC and mux setup.
* any external transceiver should already be initialized
* too, so all configured ports use the right signaling now.
*/
return 0;
}
static int ohci_omap_init(struct usb_hcd *hcd)
{
struct ohci_hcd *ohci = hcd_to_ohci(hcd);
struct omap_usb_config *config = hcd->self.controller->platform_data;
int need_transceiver = (config->otg != 0);
int ret;
dev_dbg(hcd->self.controller, "starting USB Controller\n");
if (config->otg) {
ohci_to_hcd(ohci)->self.otg_port = config->otg;
/* default/minimum OTG power budget: 8 mA */
ohci_to_hcd(ohci)->power_budget = 8;
}
/* boards can use OTG transceivers in non-OTG modes */
need_transceiver = need_transceiver
|| machine_is_omap_h2() || machine_is_omap_h3();
if (cpu_is_omap16xx())
ocpi_enable();
#ifdef CONFIG_ARCH_OMAP_OTG
if (need_transceiver) {
ohci->transceiver = otg_get_transceiver();
if (ohci->transceiver) {
int status = otg_set_host(ohci->transceiver,
&ohci_to_hcd(ohci)->self);
dev_dbg(hcd->self.controller, "init %s transceiver, status %d\n",
ohci->transceiver->label, status);
if (status) {
if (ohci->transceiver)
put_device(ohci->transceiver->dev);
return status;
}
} else {
dev_err(hcd->self.controller, "can't find transceiver\n");
return -ENODEV;
}
}
#endif
omap_ohci_clock_power(1);
if (cpu_is_omap1510()) {
omap_1510_local_bus_power(1);
omap_1510_local_bus_init();
}
if ((ret = ohci_init(ohci)) < 0)
return ret;
/* board-specific power switching and overcurrent support */
if (machine_is_omap_osk() || machine_is_omap_innovator()) {
u32 rh = roothub_a (ohci);
/* power switching (ganged by default) */
rh &= ~RH_A_NPS;
/* TPS2045 switch for internal transceiver (port 1) */
if (machine_is_omap_osk()) {
ohci_to_hcd(ohci)->power_budget = 250;
rh &= ~RH_A_NOCP;
/* gpio9 for overcurrent detction */
omap_cfg_reg(W8_1610_GPIO9);
omap_request_gpio(9);
omap_set_gpio_direction(9, 1 /* IN */);
/* for paranoia's sake: disable USB.PUEN */
omap_cfg_reg(W4_USB_HIGHZ);
}
ohci_writel(ohci, rh, &ohci->regs->roothub.a);
distrust_firmware = 0;
} else if (machine_is_nokia770()) {
/* We require a self-powered hub, which should have
* plenty of power. */
ohci_to_hcd(ohci)->power_budget = 0;
}
/* FIXME khubd hub requests should manage power switching */
omap_ohci_transceiver_power(1);
/* board init will have already handled HMC and mux setup.
* any external transceiver should already be initialized
* too, so all configured ports use the right signaling now.
*/
return 0;
}
static int ohci_omap_reset(struct usb_hcd *hcd)
{
struct ohci_hcd *ohci = hcd_to_ohci(hcd);
struct omap_usb_config *config = dev_get_platdata(hcd->self.controller);
int need_transceiver = (config->otg != 0);
int ret;
dev_dbg(hcd->self.controller, "starting USB Controller\n");
if (config->otg) {
hcd->self.otg_port = config->otg;
/* default/minimum OTG power budget: 8 mA */
hcd->power_budget = 8;
}
/* boards can use OTG transceivers in non-OTG modes */
need_transceiver = need_transceiver
|| machine_is_omap_h2() || machine_is_omap_h3();
/* XXX OMAP16xx only */
if (config->ocpi_enable)
config->ocpi_enable();
#ifdef CONFIG_USB_OTG
if (need_transceiver) {
hcd->phy = usb_get_phy(USB_PHY_TYPE_USB2);
if (!IS_ERR_OR_NULL(hcd->phy)) {
int status = otg_set_host(hcd->phy->otg,
&ohci_to_hcd(ohci)->self);
dev_dbg(hcd->self.controller, "init %s phy, status %d\n",
hcd->phy->label, status);
if (status) {
usb_put_phy(hcd->phy);
return status;
}
} else {
dev_err(hcd->self.controller, "can't find phy\n");
return -ENODEV;
}
ohci->start_hnp = start_hnp;
}
#endif
omap_ohci_clock_power(1);
if (cpu_is_omap15xx()) {
omap_1510_local_bus_power(1);
omap_1510_local_bus_init();
}
ret = ohci_setup(hcd);
if (ret < 0)
return ret;
if (config->otg || config->rwc) {
ohci->hc_control = OHCI_CTRL_RWC;
writel(OHCI_CTRL_RWC, &ohci->regs->control);
}
/* board-specific power switching and overcurrent support */
if (machine_is_omap_osk() || machine_is_omap_innovator()) {
u32 rh = roothub_a (ohci);
/* power switching (ganged by default) */
rh &= ~RH_A_NPS;
/* TPS2045 switch for internal transceiver (port 1) */
if (machine_is_omap_osk()) {
ohci_to_hcd(ohci)->power_budget = 250;
rh &= ~RH_A_NOCP;
/* gpio9 for overcurrent detction */
omap_cfg_reg(W8_1610_GPIO9);
gpio_request(9, "OHCI overcurrent");
gpio_direction_input(9);
/* for paranoia's sake: disable USB.PUEN */
omap_cfg_reg(W4_USB_HIGHZ);
}
ohci_writel(ohci, rh, &ohci->regs->roothub.a);
ohci->flags &= ~OHCI_QUIRK_HUB_POWER;
} else if (machine_is_nokia770()) {
/* We require a self-powered hub, which should have
* plenty of power. */
ohci_to_hcd(ohci)->power_budget = 0;
}
/* FIXME khubd hub requests should manage power switching */
omap_ohci_transceiver_power(1);
/* board init will have already handled HMC and mux setup.
* any external transceiver should already be initialized
* too, so all configured ports use the right signaling now.
*/
return 0;
}