Commit c9a750c9 authored by Manu Abraham's avatar Manu Abraham Committed by Mauro Carvalho Chehab
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V4L/DVB (13742): [Mantis] Implement PCMCIA I/O Rd/Wr operations 



Signed-off-by: default avatarManu Abraham <manu@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent d8b14f8a

drivers/media/dvb/mantis/mantis_hif.c

+54 −0
Original line number Diff line number Diff line
@@ -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;

drivers/media/dvb/mantis/mantis_link.h

+2 −0
Original line number Diff line number Diff line
@@ -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