From 8ce571f5e7eb7186f676af3b60af7980c2fc7929 Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Fri, 4 Dec 2009 05:06:00 -0300 Subject: [PATCH] V4L/DVB (13736): [Mantis] Implement CAM Plug IN and Unplug events Sigh! how i wish things were simpler ... Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_link.h | 8 ++++ drivers/media/dvb/mantis/mantis_pcmcia.c | 66 ++++++++++++++++++++++++++++++++ 2 files changed, 74 insertions(+) diff --git a/drivers/media/dvb/mantis/mantis_link.h b/drivers/media/dvb/mantis/mantis_link.h index 2d9b64f..c6b3222 100644 --- a/drivers/media/dvb/mantis/mantis_link.h +++ b/drivers/media/dvb/mantis/mantis_link.h @@ -31,6 +31,12 @@ struct mantis_slot { u32 timeout; }; +/* Physical layer */ +enum mantis_slot_state { + MODULE_INSERTED = 3, + MODULE_XTRACTED = 4 +}; + struct mantis_ca { struct mantis_slot slot; @@ -44,6 +50,8 @@ struct mantis_ca { enum mantis_sbuf_status sbuf_status; + enum mantis_slot_state slot_state; + struct dvb_device *ca_dev; void *ca_priv; }; diff --git a/drivers/media/dvb/mantis/mantis_pcmcia.c b/drivers/media/dvb/mantis/mantis_pcmcia.c index 63f9621..960123f 100644 --- a/drivers/media/dvb/mantis/mantis_pcmcia.c +++ b/drivers/media/dvb/mantis/mantis_pcmcia.c @@ -19,11 +19,75 @@ */ #include "mantis_common.h" +#include "mantis_link.h" /* temporary due to physical layer stuff */ + +/* + * If Slot state is already PLUG_IN event and we are called + * again, definitely it is jitter alone + */ +void mantis_event_cam_plugin(struct mantis_ca *ca) +{ + struct mantis_pci *mantis = ca->ca_priv; + + u32 gpif_irqcfg; + + if (ca->slot_state == MODULE_XTRACTED) { + dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event: CAM Plugged IN: Adapter(%d) Slot(0)", mantis->num); + udelay(50); + mmwrite(0xda000000, MANTIS_CARD_RESET); + gpif_irqcfg = mmread(MANTIS_GPIF_IRQCFG); + gpif_irqcfg |= MANTIS_MASK_PLUGOUT; + gpif_irqcfg &= ~MANTIS_MASK_PLUGIN; + mmwrite(gpif_irqcfg, MANTIS_GPIF_IRQCFG); + udelay(500); + ca->slot_state = MODULE_INSERTED; + } + udelay(100); +} + +/* + * If Slot state is already UN_PLUG event and we are called + * again, definitely it is jitter alone + */ +void mantis_event_cam_unplug(struct mantis_ca *ca) +{ + struct mantis_pci *mantis = ca->ca_priv; + + u32 gpif_irqcfg; + + if (ca->slot_state == MODULE_INSERTED) { + dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event: CAM Unplugged: Adapter(%d) Slot(0)", mantis->num); + udelay(50); + mmwrite(0x00da0000, MANTIS_CARD_RESET); + gpif_irqcfg = mmread(MANTIS_GPIF_IRQCFG); + gpif_irqcfg |= MANTIS_MASK_PLUGIN; + gpif_irqcfg &= ~MANTIS_MASK_PLUGOUT; + mmwrite(gpif_irqcfg, MANTIS_GPIF_IRQCFG); + udelay(500); + ca->slot_state = MODULE_XTRACTED; + } + udelay(100); +} int mantis_pcmcia_init(struct mantis_ca *ca) { struct mantis_pci *mantis = ca->ca_priv; + u32 gpif_stat, card_stat; + + gpif_stat = mmread(MANTIS_GPIF_STATUS); + card_stat = mmread(MANTIS_GPIF_IRQCFG); + + if (gpif_stat & MANTIS_GPIF_DETSTAT) { + dprintk(mantis->verbose, MANTIS_DEBUG, 1, "CAM found on Adapter(%d) Slot(0)", mantis->num); + mmwrite(card_stat | MANTIS_MASK_PLUGOUT, MANTIS_GPIF_IRQCFG); + ca->slot_state = MODULE_INSERTED; + } else { + dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Empty Slot on Adapter(%d) Slot(0)", mantis->num); + mmwrite(card_stat | MANTIS_MASK_PLUGIN, MANTIS_GPIF_IRQCFG); + ca->slot_state = MODULE_XTRACTED; + } + return 0; } @@ -31,4 +95,6 @@ void mantis_pcmcia_exit(struct mantis_ca *ca) { struct mantis_pci *mantis = ca->ca_priv; + mmwrite(mmread(MANTIS_GPIF_STATUS) & (~MANTIS_CARD_PLUGOUT | ~MANTIS_CARD_PLUGIN), MANTIS_GPIF_STATUS); + mmwrite(mmread(MANTIS_INT_MASK) & ~MANTIS_INT_IRQ0, MANTIS_INT_MASK); } -- 2.7.4