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sys/dev/uart/uart_bus_pci.c
| Show All 37 Lines | |||||
| #include <machine/bus.h> | #include <machine/bus.h> | ||||
| #include <sys/rman.h> | #include <sys/rman.h> | ||||
| #include <machine/resource.h> | #include <machine/resource.h> | ||||
| #include <dev/pci/pcivar.h> | #include <dev/pci/pcivar.h> | ||||
| #include <dev/uart/uart.h> | #include <dev/uart/uart.h> | ||||
| #include <dev/uart/uart_bus.h> | #include <dev/uart/uart_bus.h> | ||||
| #include <dev/uart/uart_cpu.h> | |||||
| #define DEFAULT_RCLK 1843200 | #define DEFAULT_RCLK 1843200 | ||||
| static int uart_pci_probe(device_t dev); | static int uart_pci_probe(device_t dev); | ||||
| static int uart_pci_attach(device_t dev); | static int uart_pci_attach(device_t dev); | ||||
| static int uart_pci_detach(device_t dev); | static int uart_pci_detach(device_t dev); | ||||
| static device_method_t uart_pci_methods[] = { | static device_method_t uart_pci_methods[] = { | ||||
| ▲ Show 20 Lines • Show All 131 Lines • ▼ Show 20 Lines | uart_pci_match(device_t dev, const struct pci_id *id) | ||||
| subven = pci_get_subvendor(dev); | subven = pci_get_subvendor(dev); | ||||
| subdev = pci_get_subdevice(dev); | subdev = pci_get_subdevice(dev); | ||||
| while (id->vendor == vendor && id->device == device && | while (id->vendor == vendor && id->device == device && | ||||
| (id->subven != subven || id->subdev != subdev)) | (id->subven != subven || id->subdev != subdev)) | ||||
| id++; | id++; | ||||
| return ((id->vendor == vendor && id->device == device) ? id : NULL); | return ((id->vendor == vendor && id->device == device) ? id : NULL); | ||||
| } | } | ||||
| extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs; | |||||
| static int | static int | ||||
| uart_pci_probe(device_t dev) | uart_pci_probe(device_t dev) | ||||
| { | { | ||||
| struct uart_softc *sc; | struct uart_softc *sc; | ||||
| struct uart_devinfo *sysdev; | |||||
| const struct pci_id *id; | const struct pci_id *id; | ||||
| int result; | int result; | ||||
| sc = device_get_softc(dev); | sc = device_get_softc(dev); | ||||
| id = uart_pci_match(dev, pci_ns8250_ids); | id = uart_pci_match(dev, pci_ns8250_ids); | ||||
| if (id != NULL) { | if (id != NULL) { | ||||
| sc->sc_class = &uart_ns8250_class; | sc->sc_class = &uart_ns8250_class; | ||||
| goto match; | goto match; | ||||
| } | } | ||||
| /* Add checks for non-ns8250 IDs here. */ | /* Add checks for non-ns8250 IDs here. */ | ||||
| return (ENXIO); | return (ENXIO); | ||||
| match: | match: | ||||
| SLIST_FOREACH(sysdev, &uart_sysdevs, next) { | |||||
| if (sysdev->pci_info.vendor == pci_get_vendor(dev) | |||||
| && sysdev->pci_info.device == pci_get_device(dev) | |||||
| && sysdev->pci_info.bus == pci_get_bus(dev) | |||||
| && sysdev->pci_info.slot == pci_get_slot(dev)) { | |||||
| sc->sc_sysdev = sysdev; | |||||
| sysdev->bas.rclk = sc->sc_bas.rclk; | |||||
| } | |||||
| } | |||||
| result = uart_bus_probe(dev, id->regshft, 0, id->rclk, id->rid, 0, 0); | result = uart_bus_probe(dev, id->regshft, 0, id->rclk, id->rid, 0, 0); | ||||
| /* Bail out on error. */ | /* Bail out on error. */ | ||||
| if (result > 0) | if (result > 0) | ||||
| return (result); | return (result); | ||||
| /* Set/override the device description. */ | /* Set/override the device description. */ | ||||
| if (id->desc) | if (id->desc) | ||||
| device_set_desc(dev, id->desc); | device_set_desc(dev, id->desc); | ||||
| return (result); | return (result); | ||||
| Show All 39 Lines | |||||