From 89c1d2e7b5993db33805b42e3675289920812f6f Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Mon, 10 Oct 2011 22:06:57 -0700 Subject: [PATCH] usb: gadget: renesas_usbhs: add INTSTS1 interrupt support mod_host use INTSTS1 interrupt Signed-off-by: Kuninori Morimoto Signed-off-by: Felipe Balbi --- drivers/usb/renesas_usbhs/common.h | 9 +++++++ drivers/usb/renesas_usbhs/mod.c | 38 ++++++++++++++++++++++++++++++ drivers/usb/renesas_usbhs/mod.h | 34 +++++++++++++++++++++----- 3 files changed, 75 insertions(+), 6 deletions(-) diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h index 0e867a33a46..dc9490d1f42 100644 --- a/drivers/usb/renesas_usbhs/common.h +++ b/drivers/usb/renesas_usbhs/common.h @@ -172,6 +172,15 @@ struct usbhs_priv; #define NODATA_STATUS_STAGE 5 /* Control write NoData status stage */ #define SEQUENCE_ERROR 6 /* Control transfer sequence error */ +/* INTSTS1 */ +#define OVRCR (1 << 15) /* OVRCR Interrupt Status */ +#define BCHG (1 << 14) /* USB Bus Change Interrupt Status */ +#define DTCH (1 << 12) /* USB Disconnection Detect Interrupt Status */ +#define ATTCH (1 << 11) /* ATTCH Interrupt Status */ +#define EOFERR (1 << 6) /* EOF Error Detect Interrupt Status */ +#define SIGN (1 << 5) /* Setup Transaction Error Interrupt Status */ +#define SACK (1 << 4) /* Setup Transaction ACK Response Interrupt Status */ + /* PIPECFG */ /* DCPCFG */ #define TYPE_NONE (0 << 14) /* Transfer Type */ diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c index 0340fb945f5..993c2ca4f0c 100644 --- a/drivers/usb/renesas_usbhs/mod.c +++ b/drivers/usb/renesas_usbhs/mod.c @@ -254,6 +254,8 @@ static irqreturn_t usbhs_interrupt(int irq, void *data) * see also * usbhs_irq_setting_update */ + + /* INTSTS0 */ if (irq_state.intsts0 & VBINT) usbhs_mod_info_call(priv, irq_vbus, priv, &irq_state); @@ -269,12 +271,26 @@ static irqreturn_t usbhs_interrupt(int irq, void *data) if (irq_state.intsts0 & BRDY) usbhs_mod_call(priv, irq_ready, priv, &irq_state); + /* INTSTS1 */ + if (irq_state.intsts1 & ATTCH) + usbhs_mod_call(priv, irq_attch, priv, &irq_state); + + if (irq_state.intsts1 & DTCH) + usbhs_mod_call(priv, irq_dtch, priv, &irq_state); + + if (irq_state.intsts1 & SIGN) + usbhs_mod_call(priv, irq_sign, priv, &irq_state); + + if (irq_state.intsts1 & SACK) + usbhs_mod_call(priv, irq_sack, priv, &irq_state); + return IRQ_HANDLED; } void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod) { u16 intenb0 = 0; + u16 intenb1 = 0; struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv); /* @@ -286,6 +302,7 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod) * - update INTSTS0 */ usbhs_write(priv, INTENB0, 0); + usbhs_write(priv, INTENB1, 0); usbhs_write(priv, BEMPENB, 0); usbhs_write(priv, BRDYENB, 0); @@ -303,6 +320,9 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod) intenb0 |= VBSE; if (mod) { + /* + * INTSTS0 + */ if (mod->irq_ctrl_stage) intenb0 |= CTRE; @@ -315,8 +335,26 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod) usbhs_write(priv, BRDYENB, mod->irq_brdysts); intenb0 |= BRDYE; } + + /* + * INTSTS1 + */ + if (mod->irq_attch) + intenb1 |= ATTCHE; + + if (mod->irq_attch) + intenb1 |= DTCHE; + + if (mod->irq_sign) + intenb1 |= SIGNE; + + if (mod->irq_sack) + intenb1 |= SACKE; } if (intenb0) usbhs_write(priv, INTENB0, intenb0); + + if (intenb1) + usbhs_write(priv, INTENB1, intenb1); } diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h index 0e2c5b69582..df4b61dab31 100644 --- a/drivers/usb/renesas_usbhs/mod.h +++ b/drivers/usb/renesas_usbhs/mod.h @@ -41,26 +41,48 @@ struct usbhs_mod { int (*start)(struct usbhs_priv *priv); int (*stop)(struct usbhs_priv *priv); - /* INTSTS0 :: DVST (DVSQ) */ + /* + * INTSTS0 + */ + + /* DVST (DVSQ) */ int (*irq_dev_state)(struct usbhs_priv *priv, struct usbhs_irq_state *irq_state); - /* INTSTS0 :: CTRT (CTSQ) */ + /* CTRT (CTSQ) */ int (*irq_ctrl_stage)(struct usbhs_priv *priv, struct usbhs_irq_state *irq_state); - /* INTSTS0 :: BEMP */ - /* BEMPSTS */ + /* BEMP / BEMPSTS */ int (*irq_empty)(struct usbhs_priv *priv, struct usbhs_irq_state *irq_state); u16 irq_bempsts; - /* INTSTS0 :: BRDY */ - /* BRDYSTS */ + /* BRDY / BRDYSTS */ int (*irq_ready)(struct usbhs_priv *priv, struct usbhs_irq_state *irq_state); u16 irq_brdysts; + /* + * INTSTS1 + */ + + /* ATTCHE */ + int (*irq_attch)(struct usbhs_priv *priv, + struct usbhs_irq_state *irq_state); + + /* DTCHE */ + int (*irq_dtch)(struct usbhs_priv *priv, + struct usbhs_irq_state *irq_state); + + /* SIGN */ + int (*irq_sign)(struct usbhs_priv *priv, + struct usbhs_irq_state *irq_state); + + /* SACK */ + int (*irq_sack)(struct usbhs_priv *priv, + struct usbhs_irq_state *irq_state); + struct usbhs_priv *priv; }; -- 2.46.0