V4L/DVB (13742): [Mantis] Implement PCMCIA I/O Rd/Wr operations

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

2 files changed, 56 insertions, 0 deletions

diff --git a/drivers/media/dvb/mantis/mantis_hif.c b/drivers/media/dvb/mantis/mantis_hif.c
index 1472008e257e..42aedf7a0147 100644
--- a/drivers/media/dvb/mantis/mantis_hif.c
+++ b/drivers/media/dvb/mantis/mantis_hif.c
@@ -111,6 +111,60 @@ int mantis_hif_write_mem(struct mantis_ca *ca, u32 addr, u8 data)
         return 0;
 }
 
+int mantis_hif_read_iom(struct mantis_ca *ca, u32 addr, u32 count, u32 *data)
+{
+        struct mantis_pci *mantis = ca->ca_priv;
+        u32 hif_addr = 0;
+
+        hif_addr &= ~MANTIS_GPIF_PCMCIAREG;
+        hif_addr |=  MANTIS_GPIF_HIFRDWRN;
+        hif_addr |=  MANTIS_GPIF_PCMCIAIOM;
+        hif_addr |=  addr;
+
+        mmwrite(hif_addr, MANTIS_GPIF_HIFADDR);
+        ca->hif_job_queue = MANTIS_HIF_IOMRD;
+
+        if (mantis_hif_sbuf_opdone_wait(ca) != 0) {
+                ca->hif_job_queue &= ~MANTIS_HIF_IOMRD;
+                dprintk(verbose, MANTIS_ERROR, 1, "Adapter(%d) Slot(0): HIF Smart Buffer operation failed", mantis->num);
+                return -EREMOTEIO;
+        }
+        udelay(50);
+        ca->hif_job_queue &= ~MANTIS_HIF_IOMRD;
+        *data = mmread(MANTIS_GPIF_HIFDIN);
+        hif_addr |= MANTIS_GPIF_PCMCIAREG;
+        mmwrite(hif_addr, MANTIS_GPIF_HIFADDR);
+
+        return 0;
+}
+
+int mantis_hif_write_iom(struct mantis_ca *ca, u32 addr, u32 data)
+{
+        struct mantis_pci *mantis = ca->ca_priv;
+        u32 hif_addr = 0;
+
+        hif_addr &= ~MANTIS_GPIF_PCMCIAREG;
+        hif_addr &= ~MANTIS_GPIF_HIFRDWRN;
+        hif_addr |=  MANTIS_GPIF_PCMCIAIOM;
+        hif_addr |=  addr;
+
+        mmwrite(hif_addr, MANTIS_GPIF_HIFADDR);
+        mmwrite(data, MANTIS_GPIF_HIFDOUT);
+
+        ca->hif_job_queue = MANTIS_HIF_IOMWR;
+        if (mantis_hif_sbuf_opdone_wait(ca) != 0) {
+                ca->hif_job_queue &= ~MANTIS_HIF_IOMWR;
+                dprintk(verbose, MANTIS_ERROR, 1, "Adapter(%d) Slot(0): HIF Smart Buffer operation failed", mantis->num);
+                return -EREMOTEIO;
+        }
+        udelay(50);
+        ca->hif_job_queue &= ~MANTIS_HIF_IOMWR;
+        hif_addr |= MANTIS_GPIF_PCMCIAREG;
+        mmwrite(hif_addr, MANTIS_GPIF_HIFADDR);
+
+        return 0;
+}
+
 int mantis_hif_init(struct mantis_ca *ca)
 {
         struct mantis_pci *mantis = ca->ca_priv;
diff --git a/drivers/media/dvb/mantis/mantis_link.h b/drivers/media/dvb/mantis/mantis_link.h
index 8862502866c5..478900ea184d 100644
--- a/drivers/media/dvb/mantis/mantis_link.h
+++ b/drivers/media/dvb/mantis/mantis_link.h
@@ -73,5 +73,7 @@ extern int mantis_hif_init(struct mantis_ca *ca);
 extern void mantis_hif_exit(struct mantis_ca *ca);
 extern int mantis_hif_read_mem(struct mantis_ca *ca, u32 addr);
 extern int mantis_hif_write_mem(struct mantis_ca *ca, u32 addr, u8 data);
+extern int mantis_hif_read_iom(struct mantis_ca *ca, u32 addr, u32 count, u32 *data);
+extern int mantis_hif_write_iom(struct mantis_ca *ca, u32 addr, u32 data);
 
 #endif // __MANTIS_LINK_H