diff options
| author | pgoyette <pgoyette@NetBSD.org> | 2008-10-02 00:55:43 +0000 |
|---|---|---|
| committer | pgoyette <pgoyette@NetBSD.org> | 2008-10-02 00:55:43 +0000 |
| commit | d5697e7834619035ffb96adc1fc032a03214bf58 (patch) | |
| tree | 73307045939c4e05b65322ef35a2743fc9f38d43 /sys/arch/macppc/dev | |
| parent | 4d6d694c472c3e0488dc12d47eed95cf3d45a47b (diff) | |
Add dbcool ki2c attachment for macppc
Diffstat (limited to 'sys/arch/macppc/dev')
| -rw-r--r-- | sys/arch/macppc/dev/dbcool_ki2c.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/sys/arch/macppc/dev/dbcool_ki2c.c b/sys/arch/macppc/dev/dbcool_ki2c.c new file mode 100644 index 00000000000..72a3cfa1fe7 --- /dev/null +++ b/sys/arch/macppc/dev/dbcool_ki2c.c @@ -0,0 +1,107 @@ +/* $NetBSD: dbcool_ki2c.c,v 1.1 2008/10/02 00:55:43 pgoyette Exp $ */ + +/*- + * Copyright (C) 2005 Michael Lorenz + * Copyright (C) 2008 Paul Goyette + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * a driver for the dbCool family of environmental controllers found in the + * iBook G4 and probably other Apple machines + */ + +#include <sys/cdefs.h> +__KERNEL_RCSID(0, "$NetBSD: dbcool_ki2c.c,v 1.1 2008/10/02 00:55:43 pgoyette Exp $"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/device.h> +#include <sys/malloc.h> +#include <sys/sysctl.h> + +#include <uvm/uvm_extern.h> + +#include <dev/ofw/openfirm.h> +#include <macppc/dev/ki2cvar.h> + +#include <dev/i2c/dbcool_var.h> +#include <dev/i2c/dbcool_reg.h> + +static void dbcool_ki2c_attach(device_t, device_t, void *); +static int dbcool_ki2c_match(device_t, cfdata_t, void *); + +CFATTACH_DECL_NEW(dbcool_ki2c, sizeof(struct dbcool_softc), + dbcool_ki2c_match, dbcool_ki2c_attach, NULL, NULL); + +int +dbcool_ki2c_match(device_t parent, cfdata_t cf, void *aux) +{ + struct ki2c_confargs *ka = aux; + char compat[32]; + + if (strcmp(ka->ka_name, "fan") != 0) + return 0; + + memset(compat, 0, sizeof(compat)); + OF_getprop(ka->ka_node, "compatible", compat, sizeof(compat)); + if (strcmp(compat, "adt7467") != 0) + return 0; + + return 1; +} + +void +dbcool_ki2c_attach(device_t parent, device_t self, void *aux) +{ + struct dbcool_softc *sc = device_private(self); + struct ki2c_confargs *ka = aux; + uint8_t ver; + + aprint_normal("\n"); + aprint_naive("\n"); + + sc->parent = parent; + sc->sc_tag = ka->ka_tag; + sc->sc_addr = ka->ka_addr & 0xfe; + if (dbcool_chip_ident(sc) < 0) { + aprint_error_dev(self, "Unrecognized dbCool chip - " + "set-up aborted\n"); + return; + } + + ver = dbcool_readreg(sc, DBCOOL_REVISION_REG); + + if (sc->sc_chip->flags & DBCFLAG_4BIT_VER) + aprint_normal_dev(self, "%s dBCool(tm) Controller " + "(rev 0x%02x, stepping 0x%02x)\n", sc->sc_chip->name, + ver >> 4, ver & 0x0f); + else + aprint_normal_dev(self, "%s dBCool(tm) Controller " + "(rev 0x%04x)\n", sc->sc_chip->name, ver); + + dbcool_setup(self); + + if (!pmf_device_register(self, dbcool_pmf_suspend, dbcool_pmf_resume)) + aprint_error_dev(self, "couldn't establish power handler\n"); +} |
