diff options
Diffstat (limited to 'drivers/usb/musb/tusb6010.c')
| -rw-r--r-- | drivers/usb/musb/tusb6010.c | 273 |
1 files changed, 119 insertions, 154 deletions
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index 2ba3b070ed0..159ef4be1ef 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -17,17 +17,21 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> -#include <linux/init.h> +#include <linux/err.h> +#include <linux/prefetch.h> #include <linux/usb.h> #include <linux/irq.h> +#include <linux/io.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> +#include <linux/usb/usb_phy_generic.h> #include "musb_core.h" struct tusb6010_glue { struct device *dev; struct platform_device *musb; + struct platform_device *phy; }; static void tusb_musb_set_vbus(struct musb *musb, int is_on); @@ -39,7 +43,7 @@ static void tusb_musb_set_vbus(struct musb *musb, int is_on); * Checks the revision. We need to use the DMA register as 3.0 does not * have correct versions for TUSB_PRCM_REV or TUSB_INT_CTRL_REV. */ -u8 tusb_get_revision(struct musb *musb) +static u8 tusb_get_revision(struct musb *musb) { void __iomem *tbase = musb->ctrl_base; u32 die_id; @@ -56,12 +60,12 @@ u8 tusb_get_revision(struct musb *musb) return rev; } -static int tusb_print_revision(struct musb *musb) +static void tusb_print_revision(struct musb *musb) { void __iomem *tbase = musb->ctrl_base; u8 rev; - rev = tusb_get_revision(musb); + rev = musb->tusb_revision; pr_info("tusb: %s%i.%i %s%i.%i %s%i.%i %s%i.%i %s%i %s%i.%i\n", "prcm", @@ -80,8 +84,6 @@ static int tusb_print_revision(struct musb *musb) TUSB_DIDR1_HI_CHIP_REV(musb_readl(tbase, TUSB_DIDR1_HI)), "rev", TUSB_REV_MAJOR(rev), TUSB_REV_MINOR(rev)); - - return tusb_get_revision(musb); } #define WBUS_QUIRK_MASK (TUSB_PHY_OTG_CTRL_TESTM2 | TUSB_PHY_OTG_CTRL_TESTM1 \ @@ -106,7 +108,7 @@ static void tusb_wbus_quirk(struct musb *musb, int enabled) tmp = phy_otg_ena & ~WBUS_QUIRK_MASK; tmp |= TUSB_PHY_OTG_CTRL_WRPROTECT | TUSB_PHY_OTG_CTRL_TESTM2; musb_writel(tbase, TUSB_PHY_OTG_CTRL_ENABLE, tmp); - DBG(2, "Enabled tusb wbus quirk ctrl %08x ena %08x\n", + dev_dbg(musb->controller, "Enabled tusb wbus quirk ctrl %08x ena %08x\n", musb_readl(tbase, TUSB_PHY_OTG_CTRL), musb_readl(tbase, TUSB_PHY_OTG_CTRL_ENABLE)); } else if (musb_readl(tbase, TUSB_PHY_OTG_CTRL_ENABLE) @@ -115,7 +117,7 @@ static void tusb_wbus_quirk(struct musb *musb, int enabled) musb_writel(tbase, TUSB_PHY_OTG_CTRL, tmp); tmp = TUSB_PHY_OTG_CTRL_WRPROTECT | phy_otg_ena; musb_writel(tbase, TUSB_PHY_OTG_CTRL_ENABLE, tmp); - DBG(2, "Disabled tusb wbus quirk ctrl %08x ena %08x\n", + dev_dbg(musb->controller, "Disabled tusb wbus quirk ctrl %08x ena %08x\n", musb_readl(tbase, TUSB_PHY_OTG_CTRL), musb_readl(tbase, TUSB_PHY_OTG_CTRL_ENABLE)); phy_otg_ctrl = 0; @@ -150,7 +152,7 @@ tusb_fifo_write_unaligned(void __iomem *fifo, const u8 *buf, u16 len) } static inline void tusb_fifo_read_unaligned(void __iomem *fifo, - void __iomem *buf, u16 len) + void *buf, u16 len) { u32 val; int i; @@ -172,13 +174,14 @@ static inline void tusb_fifo_read_unaligned(void __iomem *fifo, void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf) { + struct musb *musb = hw_ep->musb; void __iomem *ep_conf = hw_ep->conf; void __iomem *fifo = hw_ep->fifo; u8 epnum = hw_ep->epnum; prefetch(buf); - DBG(4, "%cX ep%d fifo %p count %d buf %p\n", + dev_dbg(musb->controller, "%cX ep%d fifo %p count %d buf %p\n", 'T', epnum, fifo, len, buf); if (epnum) @@ -193,7 +196,7 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf) /* Best case is 32bit-aligned destination address */ if ((0x02 & (unsigned long) buf) == 0) { if (len >= 4) { - writesl(fifo, buf, len >> 2); + iowrite32_rep(fifo, buf, len >> 2); buf += (len & ~0x03); len &= 0x03; } @@ -221,11 +224,12 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf) void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *buf) { + struct musb *musb = hw_ep->musb; void __iomem *ep_conf = hw_ep->conf; void __iomem *fifo = hw_ep->fifo; u8 epnum = hw_ep->epnum; - DBG(4, "%cX ep%d fifo %p count %d buf %p\n", + dev_dbg(musb->controller, "%cX ep%d fifo %p count %d buf %p\n", 'R', epnum, fifo, len, buf); if (epnum) @@ -239,7 +243,7 @@ void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *buf) /* Best case is 32bit-aligned destination address */ if ((0x02 & (unsigned long) buf) == 0) { if (len >= 4) { - readsl(fifo, buf, len >> 2); + ioread32_rep(fifo, buf, len >> 2); buf += (len & ~0x03); len &= 0x03; } @@ -267,15 +271,13 @@ void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *buf) static struct musb *the_musb; -#ifdef CONFIG_USB_GADGET_MUSB_HDRC - /* This is used by gadget drivers, and OTG transceiver logic, allowing * at most mA current to be drawn from VBUS during a Default-B session * (that is, while VBUS exceeds 4.4V). In Default-A (including pure host * mode), or low power Default-B sessions, something else supplies power. * Caller must take care of locking. */ -static int tusb_draw_power(struct otg_transceiver *x, unsigned mA) +static int tusb_draw_power(struct usb_phy *x, unsigned mA) { struct musb *musb = the_musb; void __iomem *tbase = musb->ctrl_base; @@ -291,7 +293,7 @@ static int tusb_draw_power(struct otg_transceiver *x, unsigned mA) * The actual current usage would be very board-specific. For now, * it's simpler to just use an aggregate (also board-specific). */ - if (x->default_a || mA < (musb->min_power << 1)) + if (x->otg->default_a || mA < (musb->min_power << 1)) mA = 0; reg = musb_readl(tbase, TUSB_PRCM_MNGMT); @@ -304,14 +306,10 @@ static int tusb_draw_power(struct otg_transceiver *x, unsigned mA) } musb_writel(tbase, TUSB_PRCM_MNGMT, reg); - DBG(2, "draw max %d mA VBUS\n", mA); + dev_dbg(musb->controller, "draw max %d mA VBUS\n", mA); return 0; } -#else -#define tusb_draw_power NULL -#endif - /* workaround for issue 13: change clock during chip idle * (to be fixed in rev3 silicon) ... symptoms include disconnect * or looping suspend/resume cycles @@ -349,7 +347,7 @@ static void tusb_allow_idle(struct musb *musb, u32 wakeup_enables) u32 reg; if ((wakeup_enables & TUSB_PRCM_WBUS) - && (tusb_get_revision(musb) == TUSB_REV_30)) + && (musb->tusb_revision == TUSB_REV_30)) tusb_wbus_quirk(musb, 1); tusb_set_clock_source(musb, 0); @@ -374,7 +372,7 @@ static void tusb_allow_idle(struct musb *musb, u32 wakeup_enables) reg |= TUSB_PRCM_MNGMT_PM_IDLE | TUSB_PRCM_MNGMT_DEV_IDLE; musb_writel(tbase, TUSB_PRCM_MNGMT, reg); - DBG(6, "idle, wake on %02x\n", wakeup_enables); + dev_dbg(musb->controller, "idle, wake on %02x\n", wakeup_enables); } /* @@ -421,8 +419,8 @@ static void musb_do_idle(unsigned long _musb) if ((musb->a_wait_bcon != 0) && (musb->idle_timeout == 0 || time_after(jiffies, musb->idle_timeout))) { - DBG(4, "Nothing connected %s, turning off VBUS\n", - otg_state_string(musb)); + dev_dbg(musb->controller, "Nothing connected %s, turning off VBUS\n", + usb_otg_state_string(musb->xceiv->state)); } /* FALLTHROUGH */ case OTG_STATE_A_IDLE: @@ -438,19 +436,14 @@ static void musb_do_idle(unsigned long _musb) if (is_host_active(musb) && (musb->port1_status >> 16)) goto done; -#ifdef CONFIG_USB_GADGET_MUSB_HDRC - if (is_peripheral_enabled(musb) && !musb->gadget_driver) + if (!musb->gadget_driver) { wakeups = 0; - else { + } else { wakeups = TUSB_PRCM_WHOSTDISCON - | TUSB_PRCM_WBUS + | TUSB_PRCM_WBUS | TUSB_PRCM_WVBUS; - if (is_otg_enabled(musb)) - wakeups |= TUSB_PRCM_WID; + wakeups |= TUSB_PRCM_WID; } -#else - wakeups = TUSB_PRCM_WHOSTDISCON | TUSB_PRCM_WBUS; -#endif tusb_allow_idle(musb, wakeups); } done: @@ -481,7 +474,8 @@ static void tusb_musb_try_idle(struct musb *musb, unsigned long timeout) /* Never idle if active, or when VBUS timeout is not set as host */ if (musb->is_active || ((musb->a_wait_bcon == 0) && (musb->xceiv->state == OTG_STATE_A_WAIT_BCON))) { - DBG(4, "%s active, deleting timer\n", otg_state_string(musb)); + dev_dbg(musb->controller, "%s active, deleting timer\n", + usb_otg_state_string(musb->xceiv->state)); del_timer(&musb_idle_timer); last_timer = jiffies; return; @@ -491,14 +485,14 @@ static void tusb_musb_try_idle(struct musb *musb, unsigned long timeout) if (!timer_pending(&musb_idle_timer)) last_timer = timeout; else { - DBG(4, "Longer idle timer already pending, ignoring\n"); + dev_dbg(musb->controller, "Longer idle timer already pending, ignoring\n"); return; } } last_timer = timeout; - DBG(4, "%s inactive, for idle timer for %lu ms\n", - otg_state_string(musb), + dev_dbg(musb->controller, "%s inactive, for idle timer for %lu ms\n", + usb_otg_state_string(musb->xceiv->state), (unsigned long)jiffies_to_msecs(timeout - jiffies)); mod_timer(&musb_idle_timer, timeout); } @@ -515,6 +509,7 @@ static void tusb_musb_set_vbus(struct musb *musb, int is_on) void __iomem *tbase = musb->ctrl_base; u32 conf, prcm, timer; u8 devctl; + struct usb_otg *otg = musb->xceiv->otg; /* HDRC controls CPEN, but beware current surges during device * connect. They can trigger transient overcurrent conditions @@ -527,7 +522,7 @@ static void tusb_musb_set_vbus(struct musb *musb, int is_on) if (is_on) { timer = OTG_TIMER_MS(OTG_TIME_A_WAIT_VRISE); - musb->xceiv->default_a = 1; + otg->default_a = 1; musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; devctl |= MUSB_DEVCTL_SESSION; @@ -553,11 +548,11 @@ static void tusb_musb_set_vbus(struct musb *musb, int is_on) musb->xceiv->state = OTG_STATE_A_IDLE; } musb->is_active = 0; - musb->xceiv->default_a = 1; + otg->default_a = 1; MUSB_HST_MODE(musb); } else { musb->is_active = 0; - musb->xceiv->default_a = 0; + otg->default_a = 0; musb->xceiv->state = OTG_STATE_B_IDLE; MUSB_DEV_MODE(musb); } @@ -572,8 +567,8 @@ static void tusb_musb_set_vbus(struct musb *musb, int is_on) musb_writel(tbase, TUSB_DEV_CONF, conf); musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); - DBG(1, "VBUS %s, devctl %02x otg %3x conf %08x prcm %08x\n", - otg_state_string(musb), + dev_dbg(musb->controller, "VBUS %s, devctl %02x otg %3x conf %08x prcm %08x\n", + usb_otg_state_string(musb->xceiv->state), musb_readb(musb->mregs, MUSB_DEVCTL), musb_readl(tbase, TUSB_DEV_OTG_STAT), conf, prcm); @@ -585,21 +580,12 @@ static void tusb_musb_set_vbus(struct musb *musb, int is_on) * * Note that if a mini-A cable is plugged in the ID line will stay down as * the weak ID pull-up is not able to pull the ID up. - * - * REVISIT: It would be possible to add support for changing between host - * and peripheral modes in non-OTG configurations by reconfiguring hardware - * and then setting musb->board_mode. For now, only support OTG mode. */ static int tusb_musb_set_mode(struct musb *musb, u8 musb_mode) { void __iomem *tbase = musb->ctrl_base; u32 otg_stat, phy_otg_ctrl, phy_otg_ena, dev_conf; - if (musb->board_mode != MUSB_OTG) { - ERR("Changing mode currently only supported in OTG mode\n"); - return -EINVAL; - } - otg_stat = musb_readl(tbase, TUSB_DEV_OTG_STAT); phy_otg_ctrl = musb_readl(tbase, TUSB_PHY_OTG_CTRL); phy_otg_ena = musb_readl(tbase, TUSB_PHY_OTG_CTRL_ENABLE); @@ -607,33 +593,25 @@ static int tusb_musb_set_mode(struct musb *musb, u8 musb_mode) switch (musb_mode) { -#ifdef CONFIG_USB_MUSB_HDRC_HCD case MUSB_HOST: /* Disable PHY ID detect, ground ID */ phy_otg_ctrl &= ~TUSB_PHY_OTG_CTRL_OTG_ID_PULLUP; phy_otg_ena |= TUSB_PHY_OTG_CTRL_OTG_ID_PULLUP; dev_conf |= TUSB_DEV_CONF_ID_SEL; dev_conf &= ~TUSB_DEV_CONF_SOFT_ID; break; -#endif - -#ifdef CONFIG_USB_GADGET_MUSB_HDRC case MUSB_PERIPHERAL: /* Disable PHY ID detect, keep ID pull-up on */ phy_otg_ctrl |= TUSB_PHY_OTG_CTRL_OTG_ID_PULLUP; phy_otg_ena |= TUSB_PHY_OTG_CTRL_OTG_ID_PULLUP; dev_conf |= (TUSB_DEV_CONF_ID_SEL | TUSB_DEV_CONF_SOFT_ID); break; -#endif - -#ifdef CONFIG_USB_MUSB_OTG case MUSB_OTG: /* Use PHY ID detection */ phy_otg_ctrl |= TUSB_PHY_OTG_CTRL_OTG_ID_PULLUP; phy_otg_ena |= TUSB_PHY_OTG_CTRL_OTG_ID_PULLUP; dev_conf &= ~(TUSB_DEV_CONF_ID_SEL | TUSB_DEV_CONF_SOFT_ID); break; -#endif default: - DBG(2, "Trying to set mode %i\n", musb_mode); + dev_dbg(musb->controller, "Trying to set mode %i\n", musb_mode); return -EINVAL; } @@ -657,17 +635,15 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) { u32 otg_stat = musb_readl(tbase, TUSB_DEV_OTG_STAT); unsigned long idle_timeout = 0; + struct usb_otg *otg = musb->xceiv->otg; /* ID pin */ if ((int_src & TUSB_INT_SRC_ID_STATUS_CHNG)) { int default_a; - if (is_otg_enabled(musb)) - default_a = !(otg_stat & TUSB_DEV_OTG_STAT_ID_STATUS); - else - default_a = is_host_enabled(musb); - DBG(2, "Default-%c\n", default_a ? 'A' : 'B'); - musb->xceiv->default_a = default_a; + default_a = !(otg_stat & TUSB_DEV_OTG_STAT_ID_STATUS); + dev_dbg(musb->controller, "Default-%c\n", default_a ? 'A' : 'B'); + otg->default_a = default_a; tusb_musb_set_vbus(musb, default_a); /* Don't allow idling immediately */ @@ -679,9 +655,7 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) if (int_src & TUSB_INT_SRC_VBUS_SENSE_CHNG) { /* B-dev state machine: no vbus ~= disconnect */ - if ((is_otg_enabled(musb) && !musb->xceiv->default_a) - || !is_host_enabled(musb)) { -#ifdef CONFIG_USB_MUSB_HDRC_HCD + if (!otg->default_a) { /* ? musb_root_disconnect(musb); */ musb->port1_status &= ~(USB_PORT_STAT_CONNECTION @@ -690,10 +664,9 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) | USB_PORT_STAT_HIGH_SPEED | USB_PORT_STAT_TEST ); -#endif if (otg_stat & TUSB_DEV_OTG_STAT_SESS_END) { - DBG(1, "Forcing disconnect (no interrupt)\n"); + dev_dbg(musb->controller, "Forcing disconnect (no interrupt)\n"); if (musb->xceiv->state != OTG_STATE_B_IDLE) { /* INTR_DISCONNECT can hide... */ musb->xceiv->state = OTG_STATE_B_IDLE; @@ -701,18 +674,18 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) } musb->is_active = 0; } - DBG(2, "vbus change, %s, otg %03x\n", - otg_state_string(musb), otg_stat); + dev_dbg(musb->controller, "vbus change, %s, otg %03x\n", + usb_otg_state_string(musb->xceiv->state), otg_stat); idle_timeout = jiffies + (1 * HZ); schedule_work(&musb->irq_work); } else /* A-dev state machine */ { - DBG(2, "vbus change, %s, otg %03x\n", - otg_state_string(musb), otg_stat); + dev_dbg(musb->controller, "vbus change, %s, otg %03x\n", + usb_otg_state_string(musb->xceiv->state), otg_stat); switch (musb->xceiv->state) { case OTG_STATE_A_IDLE: - DBG(2, "Got SRP, turning on VBUS\n"); + dev_dbg(musb->controller, "Got SRP, turning on VBUS\n"); musb_platform_set_vbus(musb, 1); /* CONNECT can wake if a_wait_bcon is set */ @@ -756,7 +729,8 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) if (int_src & TUSB_INT_SRC_OTG_TIMEOUT) { u8 devctl; - DBG(4, "%s timer, %03x\n", otg_state_string(musb), otg_stat); + dev_dbg(musb->controller, "%s timer, %03x\n", + usb_otg_state_string(musb->xceiv->state), otg_stat); switch (musb->xceiv->state) { case OTG_STATE_A_WAIT_VRISE: @@ -767,7 +741,7 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase) if (otg_stat & TUSB_DEV_OTG_STAT_VBUS_VALID) { if ((devctl & MUSB_DEVCTL_VBUS) != MUSB_DEVCTL_VBUS) { - DBG(2, "devctl %02x\n", devctl); + dev_dbg(musb->controller, "devctl %02x\n", devctl); break; } musb->xceiv->state = OTG_STATE_A_WAIT_BCON; @@ -812,7 +786,7 @@ static irqreturn_t tusb_musb_interrupt(int irq, void *__hci) musb_writel(tbase, TUSB_INT_MASK, ~TUSB_INT_MASK_RESERVED_BITS); int_src = musb_readl(tbase, TUSB_INT_SRC) & ~TUSB_INT_SRC_RESERVED_BITS; - DBG(3, "TUSB IRQ %08x\n", int_src); + dev_dbg(musb->controller, "TUSB IRQ %08x\n", int_src); musb->int_usb = (u8) int_src; @@ -821,7 +795,7 @@ static irqreturn_t tusb_musb_interrupt(int irq, void *__hci) u32 reg; u32 i; - if (tusb_get_revision(musb) == TUSB_REV_30) + if (musb->tusb_revision == TUSB_REV_30) tusb_wbus_quirk(musb, 0); /* there are issues re-locking the PLL on wakeup ... */ @@ -833,7 +807,7 @@ static irqreturn_t tusb_musb_interrupt(int irq, void *__hci) reg = musb_readl(tbase, TUSB_SCRATCH_PAD); if (reg == i) break; - DBG(6, "TUSB NOR not ready\n"); + dev_dbg(musb->controller, "TUSB NOR not ready\n"); } /* work around issue 13 (2nd half) */ @@ -845,7 +819,7 @@ static irqreturn_t tusb_musb_interrupt(int irq, void *__hci) musb->is_active = 1; schedule_work(&musb->irq_work); } - DBG(3, "wake %sactive %02x\n", + dev_dbg(musb->controller, "wake %sactive %02x\n", musb->is_active ? "" : "in", reg); /* REVISIT host side TUSB_PRCM_WHOSTDISCON, TUSB_PRCM_WBUS */ @@ -867,7 +841,7 @@ static irqreturn_t tusb_musb_interrupt(int irq, void *__hci) u32 dma_src = musb_readl(tbase, TUSB_DMA_INT_SRC); u32 real_dma_src = musb_readl(tbase, TUSB_DMA_INT_MASK); - DBG(3, "DMA IRQ %08x\n", dma_src); + dev_dbg(musb->controller, "DMA IRQ %08x\n", dma_src); real_dma_src = ~real_dma_src & dma_src; if (tusb_dma_omap() && real_dma_src) { int tx_source = (real_dma_src & 0xffff); @@ -875,7 +849,7 @@ static irqreturn_t tusb_musb_interrupt(int irq, void *__hci) for (i = 1; i <= 15; i++) { if (tx_source & (1 << i)) { - DBG(3, "completing ep%i %s\n", i, "tx"); + dev_dbg(musb->controller, "completing ep%i %s\n", i, "tx"); musb_dma_completion(musb, i, 1); } } @@ -943,7 +917,7 @@ static void tusb_musb_enable(struct musb *musb) musb_writel(tbase, TUSB_INT_CTRL_CONF, TUSB_INT_CTRL_CONF_INT_RELCYC(0)); - set_irq_type(musb->nIrq, IRQ_TYPE_LEVEL_LOW); + irq_set_irq_type(musb->nIrq, IRQ_TYPE_LEVEL_LOW); /* maybe force into the Default-A OTG state machine */ if (!(musb_readl(tbase, TUSB_DEV_OTG_STAT) @@ -1035,10 +1009,11 @@ static int tusb_musb_start(struct musb *musb) goto err; } - ret = tusb_print_revision(musb); - if (ret < 2) { + musb->tusb_revision = tusb_get_revision(musb); + tusb_print_revision(musb); + if (musb->tusb_revision < 2) { printk(KERN_ERR "tusb: Unsupported TUSB6010 revision %i\n", - ret); + musb->tusb_revision); goto err; } @@ -1089,10 +1064,9 @@ static int tusb_musb_init(struct musb *musb) void __iomem *sync = NULL; int ret; - usb_nop_xceiv_register(); - musb->xceiv = otg_get_transceiver(); - if (!musb->xceiv) - return -ENODEV; + musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2); + if (IS_ERR_OR_NULL(musb->xceiv)) + return -EPROBE_DEFER; pdev = to_platform_device(musb->controller); @@ -1130,10 +1104,8 @@ static int tusb_musb_init(struct musb *musb) } musb->isr = tusb_musb_interrupt; - if (is_peripheral_enabled(musb)) { - musb->xceiv->set_power = tusb_draw_power; - the_musb = musb; - } + musb->xceiv->set_power = tusb_draw_power; + the_musb = musb; setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb); @@ -1142,8 +1114,7 @@ done: if (sync) iounmap(sync); - otg_put_transceiver(musb->xceiv); - usb_nop_xceiv_unregister(); + usb_put_phy(musb->xceiv); } return ret; } @@ -1158,8 +1129,7 @@ static int tusb_musb_exit(struct musb *musb) iounmap(musb->sync_va); - otg_put_transceiver(musb->xceiv); - usb_nop_xceiv_unregister(); + usb_put_phy(musb->xceiv); return 0; } @@ -1177,14 +1147,19 @@ static const struct musb_platform_ops tusb_ops = { .set_vbus = tusb_musb_set_vbus, }; -static u64 tusb_dmamask = DMA_BIT_MASK(32); +static const struct platform_device_info tusb_dev_info = { + .name = "musb-hdrc", + .id = PLATFORM_DEVID_AUTO, + .dma_mask = DMA_BIT_MASK(32), +}; -static int __init tusb_probe(struct platform_device *pdev) +static int tusb_probe(struct platform_device *pdev) { - struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; + struct resource musb_resources[3]; + struct musb_hdrc_platform_data *pdata = dev_get_platdata(&pdev->dev); struct platform_device *musb; struct tusb6010_glue *glue; - + struct platform_device_info pinfo; int ret = -ENOMEM; glue = kzalloc(sizeof(*glue), GFP_KERNEL); @@ -1193,67 +1168,68 @@ static int __init tusb_probe(struct platform_device *pdev) goto err0; } - musb = platform_device_alloc("musb-hdrc", -1); - if (!musb) { - dev_err(&pdev->dev, "failed to allocate musb device\n"); - goto err1; - } - - musb->dev.parent = &pdev->dev; - musb->dev.dma_mask = &tusb_dmamask; - musb->dev.coherent_dma_mask = tusb_dmamask; - glue->dev = &pdev->dev; - glue->musb = musb; pdata->platform_ops = &tusb_ops; + usb_phy_generic_register(); platform_set_drvdata(pdev, glue); - ret = platform_device_add_resources(musb, pdev->resource, - pdev->num_resources); - if (ret) { - dev_err(&pdev->dev, "failed to add resources\n"); - goto err2; - } - - ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); - if (ret) { - dev_err(&pdev->dev, "failed to add platform_data\n"); - goto err2; - } - - ret = platform_device_add(musb); - if (ret) { - dev_err(&pdev->dev, "failed to register musb device\n"); - goto err1; + memset(musb_resources, 0x00, sizeof(*musb_resources) * + ARRAY_SIZE(musb_resources)); + + musb_resources[0].name = pdev->resource[0].name; + musb_resources[0].start = pdev->resource[0].start; + musb_resources[0].end = pdev->resource[0].end; + musb_resources[0].flags = pdev->resource[0].flags; + + musb_resources[1].name = pdev->resource[1].name; + musb_resources[1].start = pdev->resource[1].start; + musb_resources[1].end = pdev->resource[1].end; + musb_resources[1].flags = pdev->resource[1].flags; + + musb_resources[2].name = pdev->resource[2].name; + musb_resources[2].start = pdev->resource[2].start; + musb_resources[2].end = pdev->resource[2].end; + musb_resources[2].flags = pdev->resource[2].flags; + + pinfo = tusb_dev_info; + pinfo.parent = &pdev->dev; + pinfo.res = musb_resources; + pinfo.num_res = ARRAY_SIZE(musb_resources); + pinfo.data = pdata; + pinfo.size_data = sizeof(*pdata); + + glue->musb = musb = platform_device_register_full(&pinfo); + if (IS_ERR(musb)) { + ret = PTR_ERR(musb); + dev_err(&pdev->dev, "failed to register musb device: %d\n", ret); + goto err3; } return 0; -err2: - platform_device_put(musb); - -err1: +err3: kfree(glue); err0: return ret; } -static int __exit tusb_remove(struct platform_device *pdev) +static int tusb_remove(struct platform_device *pdev) { struct tusb6010_glue *glue = platform_get_drvdata(pdev); - platform_device_del(glue->musb); - platform_device_put(glue->musb); + platform_device_unregister(glue->musb); + usb_phy_generic_unregister(glue->phy); kfree(glue); return 0; } static struct platform_driver tusb_driver = { - .remove = __exit_p(tusb_remove), + .probe = tusb_probe, + .remove = tusb_remove, .driver = { .name = "musb-tusb", }, @@ -1262,15 +1238,4 @@ static struct platform_driver tusb_driver = { MODULE_DESCRIPTION("TUSB6010 MUSB Glue Layer"); MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); MODULE_LICENSE("GPL v2"); - -static int __init tusb_init(void) -{ - return platform_driver_probe(&tusb_driver, tusb_probe); -} -subsys_initcall(tusb_init); - -static void __exit tusb_exit(void) -{ - platform_driver_unregister(&tusb_driver); -} -module_exit(tusb_exit); +module_platform_driver(tusb_driver); |
