V4L/DVB (13735): [Mantis] Implement the Event Manager tasklet

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 122 insertions, 1 deletions

diff --git a/drivers/media/dvb/mantis/mantis_evm.c b/drivers/media/dvb/mantis/mantis_evm.c
index c9359d6ddc23..9f1740ea389c 100644
--- a/drivers/media/dvb/mantis/mantis_evm.c
+++ b/drivers/media/dvb/mantis/mantis_evm.c
@@ -20,12 +20,76 @@
 
 #include "mantis_common.h"
 #include "mantis_link.h"
+#include "mantis_hif.h"
+
+void mantis_hifevm_tasklet(unsigned long data)
+{
+	struct mantis_ca *ca = (struct mantis_ca *) data;
+	struct mantis_pci *mantis = ca->ca_priv;
+
+	u32 gpif_stat;
+
+	gpif_stat = mmread(MANTIS_GPIF_STATUS);
+
+	if (gpif_stat & MANTIS_GPIF_DETSTAT) {
+		if (gpif_stat & MANTIS_CARD_PLUGIN) {
+			dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Plugin", mantis->num);
+			mmwrite(0xdada0000, MANTIS_CARD_RESET);
+			// Plugin call here
+			gpif_stat = 0; // crude !
+		}
+	} else {
+		if (gpif_stat & MANTIS_CARD_PLUGOUT) {
+			dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Unplug", mantis->num);
+			mmwrite(0xdada0000, MANTIS_CARD_RESET);
+			// Unplug call here
+			gpif_stat = 0; // crude !
+		}
+	}
+
+	if (gpif_stat & MANTIS_GPIF_EXTIRQ)
+		dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Ext IRQ", mantis->num);
+
+	if (gpif_stat & MANTIS_SBUF_WSTO)
+		dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Timeout", mantis->num);
+
+	if (gpif_stat & MANTIS_GPIF_OTHERR)
+		dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Alignment Error", mantis->num);
+
+	if (gpif_stat & MANTIS_SBUF_OVFLW)
+		dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Overflow", mantis->num);
+
+	if (gpif_stat & MANTIS_GPIF_BRRDY) {
+		dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Read Ready", mantis->num);
+		ca->sbuf_status = MANTIS_SBUF_DATA_AVAIL;
+		if (ca->hif_job_queue & MANTIS_HIF_MEMRD)
+			wake_up(&ca->hif_brrdyw_wq);
+	}
+	if (gpif_stat & MANTIS_GPIF_WRACK)
+		dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Slave Write ACK", mantis->num);
+
+	if (gpif_stat & MANTIS_GPIF_INTSTAT)
+		dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): GPIF IRQ", mantis->num);
+
+	if (gpif_stat & MANTIS_SBUF_EMPTY)
+		dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Empty", mantis->num);
+
+	if (gpif_stat & MANTIS_SBUF_OPDONE) {
+		dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer operation complete", mantis->num);
+		if (ca->hif_job_queue) {
+			wake_up(&ca->hif_opdone_wq);
+			ca->hif_event = MANTIS_SBUF_OPDONE;
+		}
+	}
+}
 
 int mantis_evmgr_init(struct mantis_ca *ca)
 {
 	struct mantis_pci *mantis = ca->ca_priv;
 
 	dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Initializing Mantis Host I/F Event manager");
+	tasklet_init(&ca->hif_evm_tasklet, mantis_hifevm_tasklet, (unsigned long) ca);
+
 	return 0;
 }
 
@@ -34,4 +98,5 @@ void mantis_evmgr_exit(struct mantis_ca *ca)
 	struct mantis_pci *mantis = ca->ca_priv;
 
 	dprintk(mantis->verbose, MANTIS_DEBUG, 1, "Mantis Host I/F Event manager exiting");
+	tasklet_kill(&ca->hif_evm_tasklet);
 }
diff --git a/drivers/media/dvb/mantis/mantis_reg.h b/drivers/media/dvb/mantis/mantis_reg.h
index 1b54e09fd862..d9862b7dbf03 100644
--- a/drivers/media/dvb/mantis/mantis_reg.h
+++ b/drivers/media/dvb/mantis/mantis_reg.h
@@ -73,6 +73,40 @@
 #define MANTIS_I2C_STOP			(0x01 <<  5)
 #define MANTIS_I2C_PGMODE		(0x01 <<  3)
 
+#define MANTIS_GPIF_CFGSLA		0x84
+#define MANTIS_GPIF_WAITSMPL		(0x07 << 28)
+#define MANTIS_GPIF_BYTEADDRSUB		(0x01 << 25)
+#define MANTIS_GPIF_WAITPOL		(0x01 << 24)
+#define MANTIS_GPIF_NCDELAY		(0x07 << 20)
+#define MANTIS_GPIF_RW2CSDELAY		(0x07 << 16)
+#define MANTIS_GPIF_SLFTIMEDMODE	(0x01 << 15)
+#define MANTIS_GPIF_SLFTIMEDDELY	(0x7f <<  8)
+#define MANTIS_GPIF_DEVTYPE		(0x07 <<  4)
+#define MANTIS_GPIF_BIGENDIAN		(0x01 <<  3)
+#define MANTIS_GPIF_FETCHCMD		(0x03 <<  1)
+#define MANTIS_GPIF_HWORDDEV		(0x01 <<  0)
+
+#define MANTIS_GPIF_WSTOPER		0x90
+#define MANTIS_GPIF_WSTOPERWREN3	(0x01 << 31)
+#define MANTIS_GPIF_PARBOOTN		(0x01 << 29)
+#define MANTIS_GPIF_WSTOPERSLID3	(0x1f << 24)
+#define MANTIS_GPIF_WSTOPERWREN2	(0x01 << 23)
+#define MANTIS_GPIF_WSTOPERSLID2	(0x1f << 16)
+#define MANTIS_GPIF_WSTOPERWREN1	(0x01 << 15)
+#define MANTIS_GPIF_WSTOPERSLID1	(0x1f <<  8)
+#define MANTIS_GPIF_WSTOPERWREN0	(0x01 <<  7)
+#define MANTIS_GPIF_WSTOPERSLID0	(0x1f <<  0)
+
+#define MANTIS_GPIF_CS2RW		0x94
+#define MANTIS_GPIF_CS2RWWREN3		(0x01 << 31)
+#define MANTIS_GPIF_CS2RWDELY3		(0x3f << 24)
+#define MANTIS_GPIF_CS2RWWREN2		(0x01 << 23)
+#define MANTIS_GPIF_CS2RWDELY2		(0x3f << 16)
+#define MANTIS_GPIF_CS2RWWREN1		(0x01 << 15)
+#define MANTIS_GPIF_CS2RWDELY1		(0x3f <<  8)
+#define MANTIS_GPIF_CS2RWWREN0		(0x01 <<  7)
+#define MANTIS_GPIF_CS2RWDELY0		(0x3f <<  0)
+
 #define MANTIS_GPIF_IRQCFG		0x98
 #define MANTIS_GPIF_IRQPOL		(0x01 <<  8)
 #define MANTIS_MASK_WRACK		(0x01 <<  7)
@@ -99,11 +133,33 @@
 #define MANTIS_CARD_PLUGIN		(0x01 <<  1)
 #define MANTIS_CARD_PLUGOUT		(0x01 <<  0)
 
+#define MANTIS_GPIF_BRADDR		0xa0
+#define MANTIS_GPIF_PCMCIAREG		(0x01 		<< 27)
+#define MANTIS_GPIF_PCMCIAIOM		(0x01 		<< 26)
+#define MANTIS_GPIF_BR_ADDR		(0xfffffff	<<  0)
+
+#define MANTIS_GPIF_BRBYTES		0xa4
+#define MANTIS_GPIF_BRCNT		(0xfff 		<<  0)
+
+#define MANTIS_PCMCIA_RESET		0xa8
+#define MANTIS_PCMCIA_RSTVAL		(0xff << 0)
+
+#define MANTIS_CARD_RESET		0xac
+
 #define MANTIS_GPIF_ADDR		0xb0
-#define MANTIS_GPIF_RDWRN		(0x01 << 31)
+#define MANTIS_GPIF_RDWRN		(0x01		<< 31)
+#define MANTIS_GPIF_PCMCIAREG		(0x01		<< 27)
+#define MANTIS_GPIF_PCMCIAIOM		(0x01		<< 26)
+#define MANTIS_GPIF_HIF_ADDR		(0xfffffff	<<  0)
 
 #define MANTIS_GPIF_DOUT		0xb4
+#define MANTIS_GPIF_HIF_DOUT		(0xfffffff	<<  0)
+
 #define MANTIS_GPIF_DIN			0xb8
+#define MANTIS_GPIF_HIF_DIN		(0xfffffff	<<  0)
 
+#define MANTIS_GPIF_SPARE		0xbc
+#define MANTIS_GPIF_LOGICRD		(0xffff		<< 16)
+#define MANTIS_GPIF_LOGICRW		(0xffff		<<  0)
 
 #endif //__MANTIS_REG_H