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V4L/DVB (13736): [Mantis] Implement CAM Plug IN and Unplug events
Sigh! how i wish things were simpler ... Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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fadfa070d3
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@ -31,6 +31,12 @@ struct mantis_slot {
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u32 timeout;
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};
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/* Physical layer */
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enum mantis_slot_state {
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MODULE_INSERTED = 3,
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MODULE_XTRACTED = 4
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};
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struct mantis_ca {
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struct mantis_slot slot;
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@ -44,6 +50,8 @@ struct mantis_ca {
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enum mantis_sbuf_status sbuf_status;
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enum mantis_slot_state slot_state;
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struct dvb_device *ca_dev;
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void *ca_priv;
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};
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@ -19,11 +19,75 @@
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*/
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#include "mantis_common.h"
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#include "mantis_link.h" /* temporary due to physical layer stuff */
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/*
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* If Slot state is already PLUG_IN event and we are called
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* again, definitely it is jitter alone
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*/
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void mantis_event_cam_plugin(struct mantis_ca *ca)
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{
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struct mantis_pci *mantis = ca->ca_priv;
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u32 gpif_irqcfg;
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if (ca->slot_state == MODULE_XTRACTED) {
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dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event: CAM Plugged IN: Adapter(%d) Slot(0)", mantis->num);
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udelay(50);
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mmwrite(0xda000000, MANTIS_CARD_RESET);
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gpif_irqcfg = mmread(MANTIS_GPIF_IRQCFG);
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gpif_irqcfg |= MANTIS_MASK_PLUGOUT;
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gpif_irqcfg &= ~MANTIS_MASK_PLUGIN;
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mmwrite(gpif_irqcfg, MANTIS_GPIF_IRQCFG);
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udelay(500);
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ca->slot_state = MODULE_INSERTED;
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}
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udelay(100);
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}
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/*
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* If Slot state is already UN_PLUG event and we are called
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* again, definitely it is jitter alone
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*/
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void mantis_event_cam_unplug(struct mantis_ca *ca)
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{
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struct mantis_pci *mantis = ca->ca_priv;
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u32 gpif_irqcfg;
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if (ca->slot_state == MODULE_INSERTED) {
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dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event: CAM Unplugged: Adapter(%d) Slot(0)", mantis->num);
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udelay(50);
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mmwrite(0x00da0000, MANTIS_CARD_RESET);
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gpif_irqcfg = mmread(MANTIS_GPIF_IRQCFG);
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gpif_irqcfg |= MANTIS_MASK_PLUGIN;
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gpif_irqcfg &= ~MANTIS_MASK_PLUGOUT;
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mmwrite(gpif_irqcfg, MANTIS_GPIF_IRQCFG);
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udelay(500);
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ca->slot_state = MODULE_XTRACTED;
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}
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udelay(100);
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}
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int mantis_pcmcia_init(struct mantis_ca *ca)
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{
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struct mantis_pci *mantis = ca->ca_priv;
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u32 gpif_stat, card_stat;
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gpif_stat = mmread(MANTIS_GPIF_STATUS);
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card_stat = mmread(MANTIS_GPIF_IRQCFG);
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if (gpif_stat & MANTIS_GPIF_DETSTAT) {
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dprintk(mantis->verbose, MANTIS_DEBUG, 1, "CAM found on Adapter(%d) Slot(0)", mantis->num);
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mmwrite(card_stat | MANTIS_MASK_PLUGOUT, MANTIS_GPIF_IRQCFG);
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ca->slot_state = MODULE_INSERTED;
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} else {
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dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Empty Slot on Adapter(%d) Slot(0)", mantis->num);
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mmwrite(card_stat | MANTIS_MASK_PLUGIN, MANTIS_GPIF_IRQCFG);
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ca->slot_state = MODULE_XTRACTED;
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}
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return 0;
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}
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@ -31,4 +95,6 @@ void mantis_pcmcia_exit(struct mantis_ca *ca)
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{
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struct mantis_pci *mantis = ca->ca_priv;
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mmwrite(mmread(MANTIS_GPIF_STATUS) & (~MANTIS_CARD_PLUGOUT | ~MANTIS_CARD_PLUGIN), MANTIS_GPIF_STATUS);
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mmwrite(mmread(MANTIS_INT_MASK) & ~MANTIS_INT_IRQ0, MANTIS_INT_MASK);
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}
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