};
-/* bits in OTG_CTRL_REG */
+/* bits in OTG_CTRL */
#define OTG_XCEIV_OUTPUTS \
(OTG_ASESSVLD|OTG_BSESSEND|OTG_BSESSVLD|OTG_VBUSVLD|OTG_ID)
#if defined(CONFIG_TPS65010) || defined(CONFIG_TPS65010_MODULE)
-#include <asm/arch/tps65010.h>
+#include <linux/i2c/tps65010.h>
#else
/* operational registers */
#define ISP1301_MODE_CONTROL_1 0x04 /* u8 read, set, +1 clear */
-# define MC1_SPEED_REG (1 << 0)
-# define MC1_SUSPEND_REG (1 << 1)
+# define MC1_SPEED (1 << 0)
+# define MC1_SUSPEND (1 << 1)
# define MC1_DAT_SE0 (1 << 2)
# define MC1_TRANSPARENT (1 << 3)
# define MC1_BDIS_ACON_EN (1 << 4)
return state_string(isp->otg.state);
}
-#ifdef VERBOSE
-#define dev_vdbg dev_dbg
-#else
-#define dev_vdbg(dev, fmt, arg...) do{}while(0)
-#endif
-
/*-------------------------------------------------------------------------*/
/* NOTE: some of this ISP1301 setup is specific to H2 boards;
isp->otg.state = OTG_STATE_UNDEFINED;
// isp1301_set_bits(isp, ISP1301_MODE_CONTROL_2, MC2_GLOBAL_PWR_DN);
- isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_SUSPEND_REG);
+ isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_SUSPEND);
isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_ID_PULLDOWN);
isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
static void power_up(struct isp1301 *isp)
{
// isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_2, MC2_GLOBAL_PWR_DN);
- isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_SUSPEND_REG);
+ isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_SUSPEND);
/* do this only when cpu is driving transceiver,
* so host won't see a low speed device...
/* called from irq handlers */
static void a_idle(struct isp1301 *isp, const char *tag)
{
+ u32 l;
+
if (isp->otg.state == OTG_STATE_A_IDLE)
return;
gadget_suspend(isp);
}
isp->otg.state = OTG_STATE_A_IDLE;
- isp->last_otg_ctrl = OTG_CTRL_REG = OTG_CTRL_REG & OTG_XCEIV_OUTPUTS;
+ l = omap_readl(OTG_CTRL) & OTG_XCEIV_OUTPUTS;
+ omap_writel(l, OTG_CTRL);
+ isp->last_otg_ctrl = l;
pr_debug(" --> %s/%s\n", state_name(isp), tag);
}
/* called from irq handlers */
static void b_idle(struct isp1301 *isp, const char *tag)
{
+ u32 l;
+
if (isp->otg.state == OTG_STATE_B_IDLE)
return;
gadget_suspend(isp);
}
isp->otg.state = OTG_STATE_B_IDLE;
- isp->last_otg_ctrl = OTG_CTRL_REG = OTG_CTRL_REG & OTG_XCEIV_OUTPUTS;
+ l = omap_readl(OTG_CTRL) & OTG_XCEIV_OUTPUTS;
+ omap_writel(l, OTG_CTRL);
+ isp->last_otg_ctrl = l;
pr_debug(" --> %s/%s\n", state_name(isp), tag);
}
u8 src = isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE);
pr_debug("otg: %06x, %s %s, otg/%02x stat/%02x.%02x\n",
- OTG_CTRL_REG, label, state_name(isp),
+ omap_readl(OTG_CTRL), label, state_name(isp),
ctrl, status, src);
/* mode control and irq enables don't change much */
#endif
static void check_state(struct isp1301 *isp, const char *tag)
{
enum usb_otg_state state = OTG_STATE_UNDEFINED;
- u8 fsm = OTG_TEST_REG & 0x0ff;
+ u8 fsm = omap_readw(OTG_TEST) & 0x0ff;
unsigned extra = 0;
switch (fsm) {
if (isp->otg.state == state && !extra)
return;
pr_debug("otg: %s FSM %s/%02x, %s, %06x\n", tag,
- state_string(state), fsm, state_name(isp), OTG_CTRL_REG);
+ state_string(state), fsm, state_name(isp),
+ omap_readl(OTG_CTRL));
}
#else
{
u32 otg_ctrl;
- otg_ctrl = OTG_CTRL_REG
- & OTG_CTRL_MASK
- & ~OTG_XCEIV_INPUTS
- & ~(OTG_ID|OTG_ASESSVLD|OTG_VBUSVLD);
+ otg_ctrl = omap_readl(OTG_CTRL) & OTG_CTRL_MASK;
+ otg_ctrl &= ~OTG_XCEIV_INPUTS;
+ otg_ctrl &= ~(OTG_ID|OTG_ASESSVLD|OTG_VBUSVLD);
+
+
if (int_src & INTR_SESS_VLD)
otg_ctrl |= OTG_ASESSVLD;
else if (isp->otg.state == OTG_STATE_A_WAIT_VFALL) {
return;
}
}
- OTG_CTRL_REG = otg_ctrl;
+ omap_writel(otg_ctrl, OTG_CTRL);
}
/* outputs from ISP1301_OTG_STATUS */
{
u32 otg_ctrl;
- otg_ctrl = OTG_CTRL_REG
- & OTG_CTRL_MASK
- & ~OTG_XCEIV_INPUTS
- & ~(OTG_BSESSVLD|OTG_BSESSEND);
+ otg_ctrl = omap_readl(OTG_CTRL) & OTG_CTRL_MASK;
+ otg_ctrl &= ~OTG_XCEIV_INPUTS;
+ otg_ctrl &= ~(OTG_BSESSVLD | OTG_BSESSEND);
if (otg_status & OTG_B_SESS_VLD)
otg_ctrl |= OTG_BSESSVLD;
else if (otg_status & OTG_B_SESS_END)
otg_ctrl |= OTG_BSESSEND;
- OTG_CTRL_REG = otg_ctrl;
+ omap_writel(otg_ctrl, OTG_CTRL);
}
/* inputs going to ISP1301 */
u32 otg_ctrl, otg_change;
u8 set = OTG1_DM_PULLDOWN, clr = OTG1_DM_PULLUP;
- otg_ctrl = OTG_CTRL_REG;
+ otg_ctrl = omap_readl(OTG_CTRL);
otg_change = otg_ctrl ^ isp->last_otg_ctrl;
isp->last_otg_ctrl = otg_ctrl;
otg_ctrl = otg_ctrl & OTG_XCEIV_INPUTS;
/* HNP switch to host or peripheral; and SRP */
if (otg_change & OTG_PULLUP) {
+ u32 l;
+
switch (isp->otg.state) {
case OTG_STATE_B_IDLE:
if (clr & OTG1_DP_PULLUP)
default:
break;
}
- OTG_CTRL_REG |= OTG_PULLUP;
+ l = omap_readl(OTG_CTRL);
+ l |= OTG_PULLUP;
+ omap_writel(l, OTG_CTRL);
}
- check_state(isp, __FUNCTION__);
+ check_state(isp, __func__);
dump_regs(isp, "otg->isp1301");
}
static irqreturn_t omap_otg_irq(int irq, void *_isp)
{
- u16 otg_irq = OTG_IRQ_SRC_REG;
+ u16 otg_irq = omap_readw(OTG_IRQ_SRC);
u32 otg_ctrl;
int ret = IRQ_NONE;
struct isp1301 *isp = _isp;
/* update ISP1301 transciever from OTG controller */
if (otg_irq & OPRT_CHG) {
- OTG_IRQ_SRC_REG = OPRT_CHG;
+ omap_writew(OPRT_CHG, OTG_IRQ_SRC);
isp1301_defer_work(isp, WORK_UPDATE_ISP);
ret = IRQ_HANDLED;
/* SRP to become b_peripheral failed */
} else if (otg_irq & B_SRP_TMROUT) {
- pr_debug("otg: B_SRP_TIMEOUT, %06x\n", OTG_CTRL_REG);
+ pr_debug("otg: B_SRP_TIMEOUT, %06x\n", omap_readl(OTG_CTRL));
notresponding(isp);
/* gadget drivers that care should monitor all kinds of
if (isp->otg.state == OTG_STATE_B_SRP_INIT)
b_idle(isp, "srp_timeout");
- OTG_IRQ_SRC_REG = B_SRP_TMROUT;
+ omap_writew(B_SRP_TMROUT, OTG_IRQ_SRC);
ret = IRQ_HANDLED;
/* HNP to become b_host failed */
} else if (otg_irq & B_HNP_FAIL) {
pr_debug("otg: %s B_HNP_FAIL, %06x\n",
- state_name(isp), OTG_CTRL_REG);
+ state_name(isp), omap_readl(OTG_CTRL));
notresponding(isp);
- otg_ctrl = OTG_CTRL_REG;
+ otg_ctrl = omap_readl(OTG_CTRL);
otg_ctrl |= OTG_BUSDROP;
otg_ctrl &= OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
- OTG_CTRL_REG = otg_ctrl;
+ omap_writel(otg_ctrl, OTG_CTRL);
/* subset of b_peripheral()... */
isp->otg.state = OTG_STATE_B_PERIPHERAL;
pr_debug(" --> b_peripheral\n");
- OTG_IRQ_SRC_REG = B_HNP_FAIL;
+ omap_writew(B_HNP_FAIL, OTG_IRQ_SRC);
ret = IRQ_HANDLED;
/* detect SRP from B-device ... */
} else if (otg_irq & A_SRP_DETECT) {
pr_debug("otg: %s SRP_DETECT, %06x\n",
- state_name(isp), OTG_CTRL_REG);
+ state_name(isp), omap_readl(OTG_CTRL));
isp1301_defer_work(isp, WORK_UPDATE_OTG);
switch (isp->otg.state) {
if (!isp->otg.host)
break;
isp1301_defer_work(isp, WORK_HOST_RESUME);
- otg_ctrl = OTG_CTRL_REG;
+ otg_ctrl = omap_readl(OTG_CTRL);
otg_ctrl |= OTG_A_BUSREQ;
otg_ctrl &= ~(OTG_BUSDROP|OTG_B_BUSREQ)
& ~OTG_XCEIV_INPUTS
& OTG_CTRL_MASK;
- OTG_CTRL_REG = otg_ctrl;
+ omap_writel(otg_ctrl, OTG_CTRL);
break;
default:
break;
}
- OTG_IRQ_SRC_REG = A_SRP_DETECT;
+ omap_writew(A_SRP_DETECT, OTG_IRQ_SRC);
ret = IRQ_HANDLED;
/* timer expired: T(a_wait_bcon) and maybe T(a_wait_vrise)
* we don't track them separately
*/
} else if (otg_irq & A_REQ_TMROUT) {
- otg_ctrl = OTG_CTRL_REG;
+ otg_ctrl = omap_readl(OTG_CTRL);
pr_info("otg: BCON_TMOUT from %s, %06x\n",
state_name(isp), otg_ctrl);
notresponding(isp);
otg_ctrl |= OTG_BUSDROP;
otg_ctrl &= ~OTG_A_BUSREQ & OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
- OTG_CTRL_REG = otg_ctrl;
+ omap_writel(otg_ctrl, OTG_CTRL);
isp->otg.state = OTG_STATE_A_WAIT_VFALL;
- OTG_IRQ_SRC_REG = A_REQ_TMROUT;
+ omap_writew(A_REQ_TMROUT, OTG_IRQ_SRC);
ret = IRQ_HANDLED;
/* A-supplied voltage fell too low; overcurrent */
} else if (otg_irq & A_VBUS_ERR) {
- otg_ctrl = OTG_CTRL_REG;
+ otg_ctrl = omap_readl(OTG_CTRL);
printk(KERN_ERR "otg: %s, VBUS_ERR %04x ctrl %06x\n",
state_name(isp), otg_irq, otg_ctrl);
otg_ctrl |= OTG_BUSDROP;
otg_ctrl &= ~OTG_A_BUSREQ & OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
- OTG_CTRL_REG = otg_ctrl;
+ omap_writel(otg_ctrl, OTG_CTRL);
isp->otg.state = OTG_STATE_A_VBUS_ERR;
- OTG_IRQ_SRC_REG = A_VBUS_ERR;
+ omap_writew(A_VBUS_ERR, OTG_IRQ_SRC);
ret = IRQ_HANDLED;
/* switch driver; the transciever code activates it,
} else if (otg_irq & DRIVER_SWITCH) {
int kick = 0;
- otg_ctrl = OTG_CTRL_REG;
+ otg_ctrl = omap_readl(OTG_CTRL);
printk(KERN_NOTICE "otg: %s, SWITCH to %s, ctrl %06x\n",
state_name(isp),
(otg_ctrl & OTG_DRIVER_SEL)
if (otg_ctrl & OTG_DRIVER_SEL) {
switch (isp->otg.state) {
case OTG_STATE_A_IDLE:
- b_idle(isp, __FUNCTION__);
+ b_idle(isp, __func__);
break;
default:
break;
} else {
if (!(otg_ctrl & OTG_ID)) {
otg_ctrl &= OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
- OTG_CTRL_REG = otg_ctrl | OTG_A_BUSREQ;
+ omap_writel(otg_ctrl | OTG_A_BUSREQ, OTG_CTRL);
}
if (isp->otg.host) {
}
}
- OTG_IRQ_SRC_REG = DRIVER_SWITCH;
+ omap_writew(DRIVER_SWITCH, OTG_IRQ_SRC);
ret = IRQ_HANDLED;
if (kick)
isp->otg.host->otg_port);
}
- check_state(isp, __FUNCTION__);
+ check_state(isp, __func__);
return ret;
}
static int otg_init(struct isp1301 *isp)
{
+ u32 l;
+
if (!otg_dev)
return -ENODEV;
- dump_regs(isp, __FUNCTION__);
+ dump_regs(isp, __func__);
/* some of these values are board-specific... */
- OTG_SYSCON_2_REG |= OTG_EN
+ l = omap_readl(OTG_SYSCON_2);
+ l |= OTG_EN
/* for B-device: */
| SRP_GPDATA /* 9msec Bdev D+ pulse */
| SRP_GPDVBUS /* discharge after VBUS pulse */
| SRP_DPW /* detect 167+ns SRP pulses */
| SRP_DATA | SRP_VBUS /* accept both kinds of SRP pulse */
;
+ omap_writel(l, OTG_SYSCON_2);
update_otg1(isp, isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE));
update_otg2(isp, isp1301_get_u8(isp, ISP1301_OTG_STATUS));
- check_state(isp, __FUNCTION__);
+ check_state(isp, __func__);
pr_debug("otg: %s, %s %06x\n",
- state_name(isp), __FUNCTION__, OTG_CTRL_REG);
+ state_name(isp), __func__, omap_readl(OTG_CTRL));
- OTG_IRQ_EN_REG = DRIVER_SWITCH | OPRT_CHG
+ omap_writew(DRIVER_SWITCH | OPRT_CHG
| B_SRP_TMROUT | B_HNP_FAIL
- | A_VBUS_ERR | A_SRP_DETECT | A_REQ_TMROUT;
- OTG_SYSCON_2_REG |= OTG_EN;
+ | A_VBUS_ERR | A_SRP_DETECT | A_REQ_TMROUT, OTG_IRQ_EN);
+
+ l = omap_readl(OTG_SYSCON_2);
+ l |= OTG_EN;
+ omap_writel(l, OTG_SYSCON_2);
return 0;
}
static void b_peripheral(struct isp1301 *isp)
{
- OTG_CTRL_REG = OTG_CTRL_REG & OTG_XCEIV_OUTPUTS;
+ u32 l;
+
+ l = omap_readl(OTG_CTRL) & OTG_XCEIV_OUTPUTS;
+ omap_writel(l, OTG_CTRL);
+
usb_gadget_vbus_connect(isp->otg.gadget);
#ifdef CONFIG_USB_OTG
isp_bstat = 0;
}
} else {
+ u32 l;
+
/* if user unplugged mini-A end of cable,
* don't bypass A_WAIT_VFALL.
*/
isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1,
MC1_BDIS_ACON_EN);
isp->otg.state = OTG_STATE_B_IDLE;
- OTG_CTRL_REG &= OTG_CTRL_REG & OTG_CTRL_MASK
- & ~OTG_CTRL_BITS;
+ l = omap_readl(OTG_CTRL) & OTG_CTRL_MASK;
+ l &= ~OTG_CTRL_BITS;
+ omap_writel(l, OTG_CTRL);
break;
case OTG_STATE_B_IDLE:
break;
OTG1_DP_PULLDOWN);
isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1,
OTG1_DP_PULLUP);
- dump_regs(isp, __FUNCTION__);
+ dump_regs(isp, __func__);
#endif
/* FALLTHROUGH */
case OTG_STATE_B_SRP_INIT:
- b_idle(isp, __FUNCTION__);
- OTG_CTRL_REG &= OTG_CTRL_REG & OTG_XCEIV_OUTPUTS;
+ b_idle(isp, __func__);
+ l = omap_readl(OTG_CTRL) & OTG_XCEIV_OUTPUTS;
+ omap_writel(l, OTG_CTRL);
/* FALLTHROUGH */
case OTG_STATE_B_IDLE:
if (isp->otg.gadget && (isp_bstat & OTG_B_SESS_VLD)) {
*/
update_otg1(isp, isp_stat);
update_otg2(isp, isp_bstat);
- check_state(isp, __FUNCTION__);
+ check_state(isp, __func__);
#endif
dump_regs(isp, "isp1301->otg");
case OTG_STATE_A_WAIT_VRISE:
isp->otg.state = OTG_STATE_A_HOST;
pr_debug(" --> a_host\n");
- otg_ctrl = OTG_CTRL_REG;
+ otg_ctrl = omap_readl(OTG_CTRL);
otg_ctrl |= OTG_A_BUSREQ;
otg_ctrl &= ~(OTG_BUSDROP|OTG_B_BUSREQ)
& OTG_CTRL_MASK;
- OTG_CTRL_REG = otg_ctrl;
+ omap_writel(otg_ctrl, OTG_CTRL);
break;
case OTG_STATE_B_WAIT_ACON:
isp->otg.state = OTG_STATE_B_HOST;
return -ENODEV;
if (!host) {
- OTG_IRQ_EN_REG = 0;
+ omap_writew(0, OTG_IRQ_EN);
power_down(isp);
isp->otg.host = 0;
return 0;
*/
isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_VBUS_DRV);
- dump_regs(isp, __FUNCTION__);
+ dump_regs(isp, __func__);
return 0;
isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget)
{
struct isp1301 *isp = container_of(otg, struct isp1301, otg);
+ u32 l;
if (!otg || isp != the_transceiver)
return -ENODEV;
if (!gadget) {
- OTG_IRQ_EN_REG = 0;
+ omap_writew(0, OTG_IRQ_EN);
if (!isp->otg.default_a)
enable_vbus_draw(isp, 0);
usb_gadget_vbus_disconnect(isp->otg.gadget);
isp->otg.gadget = gadget;
// FIXME update its refcount
- OTG_CTRL_REG = (OTG_CTRL_REG & OTG_CTRL_MASK
- & ~(OTG_XCEIV_OUTPUTS|OTG_CTRL_BITS))
- | OTG_ID;
+ l = omap_readl(OTG_CTRL) & OTG_CTRL_MASK;
+ l &= ~(OTG_XCEIV_OUTPUTS|OTG_CTRL_BITS);
+ l |= OTG_ID;
+ omap_writel(l, OTG_CTRL);
+
power_up(isp);
isp->otg.state = OTG_STATE_B_IDLE;
isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
INTR_VBUS_VLD);
dev_info(&isp->client.dev, "B-Peripheral sessions ok\n");
- dump_regs(isp, __FUNCTION__);
+ dump_regs(isp, __func__);
/* If this has a Mini-AB connector, this mode is highly
* nonstandard ... but can be handy for testing, so long
|| isp->otg.state != OTG_STATE_B_IDLE)
return -ENODEV;
- otg_ctrl = OTG_CTRL_REG;
+ otg_ctrl = omap_readl(OTG_CTRL);
if (!(otg_ctrl & OTG_BSESSEND))
return -EINVAL;
otg_ctrl |= OTG_B_BUSREQ;
otg_ctrl &= ~OTG_A_BUSREQ & OTG_CTRL_MASK;
- OTG_CTRL_REG = otg_ctrl;
+ omap_writel(otg_ctrl, OTG_CTRL);
isp->otg.state = OTG_STATE_B_SRP_INIT;
- pr_debug("otg: SRP, %s ... %06x\n", state_name(isp), OTG_CTRL_REG);
+ pr_debug("otg: SRP, %s ... %06x\n", state_name(isp),
+ omap_readl(OTG_CTRL));
#ifdef CONFIG_USB_OTG
- check_state(isp, __FUNCTION__);
+ check_state(isp, __func__);
#endif
return 0;
}
{
#ifdef CONFIG_USB_OTG
struct isp1301 *isp = container_of(dev, struct isp1301, otg);
+ u32 l;
if (!dev || isp != the_transceiver)
return -ENODEV;
#endif
/* caller must suspend then clear A_BUSREQ */
usb_gadget_vbus_connect(isp->otg.gadget);
- OTG_CTRL_REG |= OTG_A_SETB_HNPEN;
+ l = omap_readl(OTG_CTRL);
+ l |= OTG_A_SETB_HNPEN;
+ omap_writel(l, OTG_CTRL);
break;
case OTG_STATE_A_PERIPHERAL:
return -EILSEQ;
}
pr_debug("otg: HNP %s, %06x ...\n",
- state_name(isp), OTG_CTRL_REG);
- check_state(isp, __FUNCTION__);
+ state_name(isp), omap_readl(OTG_CTRL));
+ check_state(isp, __func__);
return 0;
#else
/* srp-only */
update_otg2(isp, isp1301_get_u8(isp, ISP1301_OTG_STATUS));
#endif
- dump_regs(isp, __FUNCTION__);
+ dump_regs(isp, __func__);
#ifdef VERBOSE
mod_timer(&isp->timer, jiffies + TIMER_JIFFIES);
git.openpandora.org / pandora-kernel.git / blobdiff