diff options
Diffstat (limited to 'drivers/media/rc/nuvoton-cir.c')
| -rw-r--r-- | drivers/media/rc/nuvoton-cir.c | 75 |
1 files changed, 55 insertions, 20 deletions
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c index d4d64492a057..bf3060ea6107 100644 --- a/drivers/media/rc/nuvoton-cir.c +++ b/drivers/media/rc/nuvoton-cir.c @@ -37,8 +37,6 @@ #include "nuvoton-cir.h" -static char *chip_id = "w836x7hg"; - /* write val to config reg */ static inline void nvt_cr_write(struct nvt_dev *nvt, u8 val, u8 reg) { @@ -233,6 +231,8 @@ static int nvt_hw_detect(struct nvt_dev *nvt) unsigned long flags; u8 chip_major, chip_minor; int ret = 0; + char chip_id[12]; + bool chip_unknown = false; nvt_efm_enable(nvt); @@ -246,15 +246,39 @@ static int nvt_hw_detect(struct nvt_dev *nvt) } chip_minor = nvt_cr_read(nvt, CR_CHIP_ID_LO); - nvt_dbg("%s: chip id: 0x%02x 0x%02x", chip_id, chip_major, chip_minor); - if (chip_major != CHIP_ID_HIGH || - (chip_minor != CHIP_ID_LOW && chip_minor != CHIP_ID_LOW2)) { - nvt_pr(KERN_ERR, "%s: unsupported chip, id: 0x%02x 0x%02x", - chip_id, chip_major, chip_minor); - ret = -ENODEV; + /* these are the known working chip revisions... */ + switch (chip_major) { + case CHIP_ID_HIGH_667: + strcpy(chip_id, "w83667hg\0"); + if (chip_minor != CHIP_ID_LOW_667) + chip_unknown = true; + break; + case CHIP_ID_HIGH_677B: + strcpy(chip_id, "w83677hg\0"); + if (chip_minor != CHIP_ID_LOW_677B2 && + chip_minor != CHIP_ID_LOW_677B3) + chip_unknown = true; + break; + case CHIP_ID_HIGH_677C: + strcpy(chip_id, "w83677hg-c\0"); + if (chip_minor != CHIP_ID_LOW_677C) + chip_unknown = true; + break; + default: + strcpy(chip_id, "w836x7hg\0"); + chip_unknown = true; + break; } + /* warn, but still let the driver load, if we don't know this chip */ + if (chip_unknown) + nvt_pr(KERN_WARNING, "%s: unknown chip, id: 0x%02x 0x%02x, " + "it may not work...", chip_id, chip_major, chip_minor); + else + nvt_dbg("%s: chip id: 0x%02x 0x%02x", + chip_id, chip_major, chip_minor); + nvt_efm_disable(nvt); spin_lock_irqsave(&nvt->nvt_lock, flags); @@ -267,13 +291,23 @@ static int nvt_hw_detect(struct nvt_dev *nvt) static void nvt_cir_ldev_init(struct nvt_dev *nvt) { - u8 val; + u8 val, psreg, psmask, psval; + + if (nvt->chip_major == CHIP_ID_HIGH_667) { + psreg = CR_MULTIFUNC_PIN_SEL; + psmask = MULTIFUNC_PIN_SEL_MASK; + psval = MULTIFUNC_ENABLE_CIR | MULTIFUNC_ENABLE_CIRWB; + } else { + psreg = CR_OUTPUT_PIN_SEL; + psmask = OUTPUT_PIN_SEL_MASK; + psval = OUTPUT_ENABLE_CIR | OUTPUT_ENABLE_CIRWB; + } - /* output pin selection (Pin95=CIRRX, Pin96=CIRTX1, WB enabled */ - val = nvt_cr_read(nvt, CR_OUTPUT_PIN_SEL); - val &= OUTPUT_PIN_SEL_MASK; - val |= (OUTPUT_ENABLE_CIR | OUTPUT_ENABLE_CIRWB); - nvt_cr_write(nvt, val, CR_OUTPUT_PIN_SEL); + /* output pin selection: enable CIR, with WB sensor enabled */ + val = nvt_cr_read(nvt, psreg); + val &= psmask; + val |= psval; + nvt_cr_write(nvt, val, psreg); /* Select CIR logical device and enable */ nvt_select_logical_dev(nvt, LOGICAL_DEV_CIR); @@ -640,7 +674,7 @@ static void nvt_process_rx_ir_data(struct nvt_dev *nvt) rawir.pulse ? "pulse" : "space", rawir.duration); - ir_raw_event_store(nvt->rdev, &rawir); + ir_raw_event_store_with_filter(nvt->rdev, &rawir); } /* @@ -1070,18 +1104,20 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id) rdev->tx_ir = nvt_tx_ir; rdev->s_tx_carrier = nvt_set_tx_carrier; rdev->input_name = "Nuvoton w836x7hg Infrared Remote Transceiver"; + rdev->input_phys = "nuvoton/cir0"; rdev->input_id.bustype = BUS_HOST; rdev->input_id.vendor = PCI_VENDOR_ID_WINBOND2; rdev->input_id.product = nvt->chip_major; rdev->input_id.version = nvt->chip_minor; + rdev->dev.parent = &pdev->dev; rdev->driver_name = NVT_DRIVER_NAME; rdev->map_name = RC_MAP_RC6_MCE; + rdev->timeout = US_TO_NS(1000); + /* rx resolution is hardwired to 50us atm, 1, 25, 100 also possible */ + rdev->rx_resolution = US_TO_NS(CIR_SAMPLE_PERIOD); #if 0 rdev->min_timeout = XYZ; rdev->max_timeout = XYZ; - rdev->timeout = XYZ; - /* rx resolution is hardwired to 50us atm, 1, 25, 100 also possible */ - rdev->rx_resolution = XYZ; /* tx bits */ rdev->tx_resolution = XYZ; #endif @@ -1090,8 +1126,7 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id) if (ret) goto failure; - device_set_wakeup_capable(&pdev->dev, 1); - device_set_wakeup_enable(&pdev->dev, 1); + device_init_wakeup(&pdev->dev, true); nvt->rdev = rdev; nvt_pr(KERN_NOTICE, "driver has been successfully loaded\n"); if (debug) { |