diff options
| author | Manu Abraham <abraham.manu@gmail.com> | 2009-12-04 05:10:25 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-01-17 11:55:34 -0200 |
| commit | c9a750c909cbde15ecd0f8545f48e051bfee6271 (patch) | |
| tree | d83c678ca986d9175925eacb611a410c0972cc20 /drivers/media/dvb/mantis/mantis_hif.c | |
| parent | d8b14f8a76d71c84622a211f57baf15f61cc9703 (diff) | |
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>
Diffstat (limited to 'drivers/media/dvb/mantis/mantis_hif.c')
| -rw-r--r-- | drivers/media/dvb/mantis/mantis_hif.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/media/dvb/mantis/mantis_hif.c b/drivers/media/dvb/mantis/mantis_hif.c index 1472008e257..42aedf7a014 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; |