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usb: musb: hold context on musb structure 

when we start splitting HW glue layer, it's
gonna make it easier to re-use that structure.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2010-12-01 13:53:27 +02:00
parent 1ea7f352d8
commit 7421107b29
2 changed files with 83 additions and 84 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

112
drivers/usb/musb/musb_core.c
View File

@ -2265,8 +2265,6 @@ static int __exit musb_remove(struct platform_device *pdev)
#ifdef CONFIG_PM
static struct musb_context_registers musb_context;
void musb_save_context(struct musb *musb)
{
int i;
@ -2274,65 +2272,65 @@ void musb_save_context(struct musb *musb)
void __iomem *epio;
if (is_host_enabled(musb)) {
musb_context.frame = musb_readw(musb_base, MUSB_FRAME);
musb_context.testmode = musb_readb(musb_base, MUSB_TESTMODE);
musb_context.busctl = musb_read_ulpi_buscontrol(musb->mregs);
musb->context.frame = musb_readw(musb_base, MUSB_FRAME);
musb->context.testmode = musb_readb(musb_base, MUSB_TESTMODE);
musb->context.busctl = musb_read_ulpi_buscontrol(musb->mregs);
}
musb_context.power = musb_readb(musb_base, MUSB_POWER);
musb_context.intrtxe = musb_readw(musb_base, MUSB_INTRTXE);
musb_context.intrrxe = musb_readw(musb_base, MUSB_INTRRXE);
musb_context.intrusbe = musb_readb(musb_base, MUSB_INTRUSBE);
musb_context.index = musb_readb(musb_base, MUSB_INDEX);
musb_context.devctl = musb_readb(musb_base, MUSB_DEVCTL);
musb->context.power = musb_readb(musb_base, MUSB_POWER);
musb->context.intrtxe = musb_readw(musb_base, MUSB_INTRTXE);
musb->context.intrrxe = musb_readw(musb_base, MUSB_INTRRXE);
musb->context.intrusbe = musb_readb(musb_base, MUSB_INTRUSBE);
musb->context.index = musb_readb(musb_base, MUSB_INDEX);
musb->context.devctl = musb_readb(musb_base, MUSB_DEVCTL);
for (i = 0; i < musb->config->num_eps; ++i) {
epio = musb->endpoints[i].regs;
musb_context.index_regs[i].txmaxp =
musb->context.index_regs[i].txmaxp =
musb_readw(epio, MUSB_TXMAXP);
musb_context.index_regs[i].txcsr =
musb->context.index_regs[i].txcsr =
musb_readw(epio, MUSB_TXCSR);
musb_context.index_regs[i].rxmaxp =
musb->context.index_regs[i].rxmaxp =
musb_readw(epio, MUSB_RXMAXP);
musb_context.index_regs[i].rxcsr =
musb->context.index_regs[i].rxcsr =
musb_readw(epio, MUSB_RXCSR);
if (musb->dyn_fifo) {
musb_context.index_regs[i].txfifoadd =
musb->context.index_regs[i].txfifoadd =
musb_read_txfifoadd(musb_base);
musb_context.index_regs[i].rxfifoadd =
musb->context.index_regs[i].rxfifoadd =
musb_read_rxfifoadd(musb_base);
musb_context.index_regs[i].txfifosz =
musb->context.index_regs[i].txfifosz =
musb_read_txfifosz(musb_base);
musb_context.index_regs[i].rxfifosz =
musb->context.index_regs[i].rxfifosz =
musb_read_rxfifosz(musb_base);
}
if (is_host_enabled(musb)) {
musb_context.index_regs[i].txtype =
musb->context.index_regs[i].txtype =
musb_readb(epio, MUSB_TXTYPE);
musb_context.index_regs[i].txinterval =
musb->context.index_regs[i].txinterval =
musb_readb(epio, MUSB_TXINTERVAL);
musb_context.index_regs[i].rxtype =
musb->context.index_regs[i].rxtype =
musb_readb(epio, MUSB_RXTYPE);
musb_context.index_regs[i].rxinterval =
musb->context.index_regs[i].rxinterval =
musb_readb(epio, MUSB_RXINTERVAL);
musb_context.index_regs[i].txfunaddr =
musb->context.index_regs[i].txfunaddr =
musb_read_txfunaddr(musb_base, i);
musb_context.index_regs[i].txhubaddr =
musb->context.index_regs[i].txhubaddr =
musb_read_txhubaddr(musb_base, i);
musb_context.index_regs[i].txhubport =
musb->context.index_regs[i].txhubport =
musb_read_txhubport(musb_base, i);
musb_context.index_regs[i].rxfunaddr =
musb->context.index_regs[i].rxfunaddr =
musb_read_rxfunaddr(musb_base, i);
musb_context.index_regs[i].rxhubaddr =
musb->context.index_regs[i].rxhubaddr =
musb_read_rxhubaddr(musb_base, i);
musb_context.index_regs[i].rxhubport =
musb->context.index_regs[i].rxhubport =
musb_read_rxhubport(musb_base, i);
}
}
musb_platform_save_context(musb, &musb_context);
musb_platform_save_context(musb, &musb->context);
}
void musb_restore_context(struct musb *musb)
@ -2342,67 +2340,67 @@ void musb_restore_context(struct musb *musb)
void __iomem *ep_target_regs;
void __iomem *epio;
musb_platform_restore_context(musb, &musb_context);
musb_platform_restore_context(musb, &musb->context);
if (is_host_enabled(musb)) {
musb_writew(musb_base, MUSB_FRAME, musb_context.frame);
musb_writeb(musb_base, MUSB_TESTMODE, musb_context.testmode);
musb_write_ulpi_buscontrol(musb->mregs, musb_context.busctl);
musb_writew(musb_base, MUSB_FRAME, musb->context.frame);
musb_writeb(musb_base, MUSB_TESTMODE, musb->context.testmode);
musb_write_ulpi_buscontrol(musb->mregs, musb->context.busctl);
}
musb_writeb(musb_base, MUSB_POWER, musb_context.power);
musb_writew(musb_base, MUSB_INTRTXE, musb_context.intrtxe);
musb_writew(musb_base, MUSB_INTRRXE, musb_context.intrrxe);
musb_writeb(musb_base, MUSB_INTRUSBE, musb_context.intrusbe);
musb_writeb(musb_base, MUSB_DEVCTL, musb_context.devctl);
musb_writeb(musb_base, MUSB_POWER, musb->context.power);
musb_writew(musb_base, MUSB_INTRTXE, musb->context.intrtxe);
musb_writew(musb_base, MUSB_INTRRXE, musb->context.intrrxe);
musb_writeb(musb_base, MUSB_INTRUSBE, musb->context.intrusbe);
musb_writeb(musb_base, MUSB_DEVCTL, musb->context.devctl);
for (i = 0; i < musb->config->num_eps; ++i) {
epio = musb->endpoints[i].regs;
musb_writew(epio, MUSB_TXMAXP,
musb_context.index_regs[i].txmaxp);
musb->context.index_regs[i].txmaxp);
musb_writew(epio, MUSB_TXCSR,
musb_context.index_regs[i].txcsr);
musb->context.index_regs[i].txcsr);
musb_writew(epio, MUSB_RXMAXP,
musb_context.index_regs[i].rxmaxp);
musb->context.index_regs[i].rxmaxp);
musb_writew(epio, MUSB_RXCSR,
musb_context.index_regs[i].rxcsr);
musb->context.index_regs[i].rxcsr);
if (musb->dyn_fifo) {
musb_write_txfifosz(musb_base,
musb_context.index_regs[i].txfifosz);
musb->context.index_regs[i].txfifosz);
musb_write_rxfifosz(musb_base,
musb_context.index_regs[i].rxfifosz);
musb->context.index_regs[i].rxfifosz);
musb_write_txfifoadd(musb_base,
musb_context.index_regs[i].txfifoadd);
musb->context.index_regs[i].txfifoadd);
musb_write_rxfifoadd(musb_base,
musb_context.index_regs[i].rxfifoadd);
musb->context.index_regs[i].rxfifoadd);
}
if (is_host_enabled(musb)) {
musb_writeb(epio, MUSB_TXTYPE,
musb_context.index_regs[i].txtype);
musb->context.index_regs[i].txtype);
musb_writeb(epio, MUSB_TXINTERVAL,
musb_context.index_regs[i].txinterval);
musb->context.index_regs[i].txinterval);
musb_writeb(epio, MUSB_RXTYPE,
musb_context.index_regs[i].rxtype);
musb->context.index_regs[i].rxtype);
musb_writeb(epio, MUSB_RXINTERVAL,
musb_context.index_regs[i].rxinterval);
musb->context.index_regs[i].rxinterval);
musb_write_txfunaddr(musb_base, i,
musb_context.index_regs[i].txfunaddr);
musb->context.index_regs[i].txfunaddr);
musb_write_txhubaddr(musb_base, i,
musb_context.index_regs[i].txhubaddr);
musb->context.index_regs[i].txhubaddr);
musb_write_txhubport(musb_base, i,
musb_context.index_regs[i].txhubport);
musb->context.index_regs[i].txhubport);
ep_target_regs =
musb_read_target_reg_base(i, musb_base);
musb_write_rxfunaddr(ep_target_regs,
musb_context.index_regs[i].rxfunaddr);
musb->context.index_regs[i].rxfunaddr);
musb_write_rxhubaddr(ep_target_regs,
musb_context.index_regs[i].rxhubaddr);
musb->context.index_regs[i].rxhubaddr);
musb_write_rxhubport(ep_target_regs,
musb_context.index_regs[i].rxhubport);
musb->context.index_regs[i].rxhubport);
}
}
}

55
drivers/usb/musb/musb_core.h
View File

@ -353,6 +353,33 @@ static inline struct usb_request *next_out_request(struct musb_hw_ep *hw_ep)
#endif
}
struct musb_csr_regs {
/* FIFO registers */
u16 txmaxp, txcsr, rxmaxp, rxcsr;
u16 rxfifoadd, txfifoadd;
u8 txtype, txinterval, rxtype, rxinterval;
u8 rxfifosz, txfifosz;
u8 txfunaddr, txhubaddr, txhubport;
u8 rxfunaddr, rxhubaddr, rxhubport;
};
struct musb_context_registers {
#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \
defined(CONFIG_ARCH_OMAP4)
u32 otg_sysconfig, otg_forcestandby;
#endif
u8 power;
u16 intrtxe, intrrxe;
u8 intrusbe;
u16 frame;
u8 index, testmode;
u8 devctl, busctl, misc;
struct musb_csr_regs index_regs[MUSB_C_NUM_EPS];
};
/*
* struct musb - Driver instance data.
*/
@ -363,6 +390,7 @@ struct musb {
struct clk *phy_clock;
const struct musb_platform_ops *ops;
struct musb_context_registers context;
irqreturn_t (*isr)(int, void *);
struct work_struct irq_work;
@ -582,33 +610,6 @@ extern irqreturn_t musb_interrupt(struct musb *);
extern void musb_hnp_stop(struct musb *musb);
#ifdef CONFIG_PM
struct musb_csr_regs {
/* FIFO registers */
u16 txmaxp, txcsr, rxmaxp, rxcsr;
u16 rxfifoadd, txfifoadd;
u8 txtype, txinterval, rxtype, rxinterval;
u8 rxfifosz, txfifosz;
u8 txfunaddr, txhubaddr, txhubport;
u8 rxfunaddr, rxhubaddr, rxhubport;
};
struct musb_context_registers {
#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \
defined(CONFIG_ARCH_OMAP4)
u32 otg_sysconfig, otg_forcestandby;
#endif
u8 power;
u16 intrtxe, intrrxe;
u8 intrusbe;
u16 frame;
u8 index, testmode;
u8 devctl, busctl, misc;
struct musb_csr_regs index_regs[MUSB_C_NUM_EPS];
};
#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \
defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_BLACKFIN)
extern void musb_platform_save_context(struct musb *musb,