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[src/trunk]: src/sys/dev Make the Realtek PCI network interfaces detachable.



details:   https://anonhg.NetBSD.org/src/rev/370708de9515
branches:  trunk
changeset: 756660:370708de9515
user:      jakllsch <jakllsch%NetBSD.org@localhost>
date:      Tue Jul 27 21:02:00 2010 +0000

description:
Make the Realtek PCI network interfaces detachable.
Use __arraycount to avoid null table entries.
Miscellaneous other touch-ups in bus front-ends.

diffstat:

 sys/dev/cardbus/if_re_cardbus.c |   11 +--
 sys/dev/ic/rtl8169.c            |    7 +-
 sys/dev/ic/rtl81x9.c            |    7 +-
 sys/dev/ic/rtl81x9var.h         |    7 +-
 sys/dev/pci/if_re_pci.c         |  116 +++++++++++++++++++++++----------------
 sys/dev/pci/if_rtk_pci.c        |   68 +++++++++++++++++------
 6 files changed, 136 insertions(+), 80 deletions(-)

diffs (truncated from 493 to 300 lines):

diff -r 6b8a796f79b8 -r 370708de9515 sys/dev/cardbus/if_re_cardbus.c
--- a/sys/dev/cardbus/if_re_cardbus.c   Tue Jul 27 20:20:46 2010 +0000
+++ b/sys/dev/cardbus/if_re_cardbus.c   Tue Jul 27 21:02:00 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_re_cardbus.c,v 1.25 2010/03/18 20:51:42 dyoung Exp $        */
+/*     $NetBSD: if_re_cardbus.c,v 1.26 2010/07/27 21:02:00 jakllsch Exp $      */
 
 /*
  * Copyright (c) 2004 Jonathan Stone
@@ -36,7 +36,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_re_cardbus.c,v 1.25 2010/03/18 20:51:42 dyoung Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_re_cardbus.c,v 1.26 2010/07/27 21:02:00 jakllsch Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -95,7 +95,6 @@
        pcireg_t sc_csr;
        int sc_bar_reg;
        pcireg_t sc_bar_val;
-       bus_size_t sc_mapsize;
        cardbus_intr_line_t sc_intrline;
 };
 
@@ -170,14 +169,14 @@
        csc->sc_csr = PCI_COMMAND_MASTER_ENABLE;
 #ifdef RTK_USEIOSPACE
        if (Cardbus_mapreg_map(ct, RTK_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0,
-           &sc->rtk_btag, &sc->rtk_bhandle, &adr, &csc->sc_mapsize) == 0) {
+           &sc->rtk_btag, &sc->rtk_bhandle, &adr, &sc->rtk_bsize) == 0) {
                csc->sc_csr |= PCI_COMMAND_IO_ENABLE;
                csc->sc_bar_reg = RTK_PCI_LOIO;
                csc->sc_bar_val = adr | PCI_MAPREG_TYPE_IO;
        }
 #else
        if (Cardbus_mapreg_map(ct, RTK_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0,
-           &sc->rtk_btag, &sc->rtk_bhandle, &adr, &csc->sc_mapsize) == 0) {
+           &sc->rtk_btag, &sc->rtk_bhandle, &adr, &sc->rtk_bsize) == 0) {
                csc->sc_csr |= PCI_COMMAND_MEM_ENABLE;
                csc->sc_bar_reg = RTK_PCI_LOMEM;
                csc->sc_bar_val = adr | PCI_MAPREG_TYPE_MEM;
@@ -231,7 +230,7 @@
         */
        if (csc->sc_bar_reg != 0)
                Cardbus_mapreg_unmap(ct, csc->sc_bar_reg,
-                   sc->rtk_btag, sc->rtk_bhandle, csc->sc_mapsize);
+                   sc->rtk_btag, sc->rtk_bhandle, sc->rtk_bsize);
 
        return 0;
 }
diff -r 6b8a796f79b8 -r 370708de9515 sys/dev/ic/rtl8169.c
--- a/sys/dev/ic/rtl8169.c      Tue Jul 27 20:20:46 2010 +0000
+++ b/sys/dev/ic/rtl8169.c      Tue Jul 27 21:02:00 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rtl8169.c,v 1.131 2010/04/09 10:40:59 nonaka Exp $     */
+/*     $NetBSD: rtl8169.c,v 1.132 2010/07/27 21:02:00 jakllsch Exp $   */
 
 /*
  * Copyright (c) 1997, 1998-2003
@@ -33,7 +33,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rtl8169.c,v 1.131 2010/04/09 10:40:59 nonaka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rtl8169.c,v 1.132 2010/07/27 21:02:00 jakllsch Exp $");
 /* $FreeBSD: /repoman/r/ncvs/src/sys/dev/re/if_re.c,v 1.20 2004/04/11 20:34:08 ru Exp $ */
 
 /*
@@ -955,6 +955,9 @@
 
        pmf_device_deregister(sc->sc_dev);
 
+       /* we don't want to run again */
+       sc->sc_flags &= ~RTK_ATTACHED;
+
        return 0;
 }
 
diff -r 6b8a796f79b8 -r 370708de9515 sys/dev/ic/rtl81x9.c
--- a/sys/dev/ic/rtl81x9.c      Tue Jul 27 20:20:46 2010 +0000
+++ b/sys/dev/ic/rtl81x9.c      Tue Jul 27 21:02:00 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rtl81x9.c,v 1.90 2010/04/05 07:19:36 joerg Exp $       */
+/*     $NetBSD: rtl81x9.c,v 1.91 2010/07/27 21:02:00 jakllsch Exp $    */
 
 /*
  * Copyright (c) 1997, 1998
@@ -86,7 +86,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rtl81x9.c,v 1.90 2010/04/05 07:19:36 joerg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rtl81x9.c,v 1.91 2010/07/27 21:02:00 jakllsch Exp $");
 
 #include "rnd.h"
 
@@ -849,6 +849,9 @@
            RTK_RXBUFLEN + 16);
        bus_dmamem_free(sc->sc_dmat, &sc->sc_dmaseg, sc->sc_dmanseg);
 
+       /* we don't want to run again */
+       sc->sc_flags &= ~RTK_ATTACHED;
+
        return 0;
 }
 
diff -r 6b8a796f79b8 -r 370708de9515 sys/dev/ic/rtl81x9var.h
--- a/sys/dev/ic/rtl81x9var.h   Tue Jul 27 20:20:46 2010 +0000
+++ b/sys/dev/ic/rtl81x9var.h   Tue Jul 27 21:02:00 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rtl81x9var.h,v 1.49 2009/09/05 03:50:49 tsutsui Exp $  */
+/*     $NetBSD: rtl81x9var.h,v 1.50 2010/07/27 21:02:00 jakllsch Exp $ */
 
 /*
  * Copyright (c) 1997, 1998
@@ -177,12 +177,13 @@
 };
 
 struct rtk_softc {
-       device_t sc_dev;                /* generic device structures */
+       device_t                sc_dev;
        struct ethercom         ethercom;       /* interface info */
        struct mii_data         mii;
        struct callout          rtk_tick_ch;    /* tick callout */
+       bus_space_tag_t         rtk_btag;       /* bus space tag */
        bus_space_handle_t      rtk_bhandle;    /* bus space handle */
-       bus_space_tag_t         rtk_btag;       /* bus space tag */
+       bus_size_t              rtk_bsize;      /* bus space mapping size */
        u_int                   sc_quirk;       /* chip quirks */
 #define RTKQ_8129              0x00000001      /* 8129 */
 #define RTKQ_8139CPLUS         0x00000002      /* 8139C+ */
diff -r 6b8a796f79b8 -r 370708de9515 sys/dev/pci/if_re_pci.c
--- a/sys/dev/pci/if_re_pci.c   Tue Jul 27 20:20:46 2010 +0000
+++ b/sys/dev/pci/if_re_pci.c   Tue Jul 27 21:02:00 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_re_pci.c,v 1.38 2009/09/02 15:11:13 tsutsui Exp $   */
+/*     $NetBSD: if_re_pci.c,v 1.39 2010/07/27 21:02:00 jakllsch Exp $  */
 
 /*
  * Copyright (c) 1997, 1998-2003
@@ -46,7 +46,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_re_pci.c,v 1.38 2009/09/02 15:11:13 tsutsui Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_re_pci.c,v 1.39 2010/07/27 21:02:00 jakllsch Exp $");
 
 #include <sys/types.h>
 
@@ -76,14 +76,14 @@
 
        void *sc_ih;
        pci_chipset_tag_t sc_pc;
-       pcitag_t sc_pcitag;
 };
 
 static int     re_pci_match(device_t, cfdata_t, void *);
 static void    re_pci_attach(device_t, device_t, void *);
+static int     re_pci_detach(device_t, int);
 
 CFATTACH_DECL_NEW(re_pci, sizeof(struct re_pci_softc),
-    re_pci_match, re_pci_attach, NULL, NULL);
+    re_pci_match, re_pci_attach, re_pci_detach, NULL);
 
 /*
  * Various supported device vendors/types and their names.
@@ -116,9 +116,23 @@
        { PCI_VENDOR_LINKSYS, PCI_PRODUCT_LINKSYS_EG1032,
            RTK_8169,
            "Linksys EG1032 rev. 3 Gigabit Ethernet" },
-       { 0, 0, 0, NULL }
 };
 
+static const struct rtk_type *
+re_pci_lookup(const struct pci_attach_args * pa)
+{
+       int i;
+
+       for(i = 0; i < __arraycount(re_devs); i++) {
+               if (PCI_VENDOR(pa->pa_id) != re_devs[i].rtk_vid)
+                       continue;
+               if (PCI_PRODUCT(pa->pa_id) == re_devs[i].rtk_did)
+                       return &re_devs[i];
+       }
+
+       return NULL;
+}
+
 #define RE_LINKSYS_EG1032_SUBID        0x00241737
 
 /*
@@ -128,7 +142,6 @@
 static int
 re_pci_match(device_t parent, cfdata_t cf, void *aux)
 {
-       const struct rtk_type *t;
        struct pci_attach_args *pa = aux;
        pcireg_t subid;
 
@@ -140,6 +153,7 @@
                if (subid != RE_LINKSYS_EG1032_SUBID)
                        return 0;
        }
+
        /* Don't match 8139 other than C-PLUS */
        if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK &&
            PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139) {
@@ -147,15 +161,8 @@
                        return 0;
        }
 
-       t = re_devs;
-
-       while (t->rtk_name != NULL) {
-               if ((PCI_VENDOR(pa->pa_id) == t->rtk_vid) &&
-                   (PCI_PRODUCT(pa->pa_id) == t->rtk_did)) {
-                       return 2;       /* defect rtk(4) */
-               }
-               t++;
-       }
+       if (re_pci_lookup(pa) != NULL)
+               return 2;       /* defeat rtk(4) */
 
        return 0;
 }
@@ -171,22 +178,22 @@
        const char *intrstr = NULL;
        const struct rtk_type *t;
        uint32_t hwrev;
-       int error = 0;
        pcireg_t command, memtype;
        bool ioh_valid, memh_valid;
        bus_space_tag_t iot, memt;
        bus_space_handle_t ioh, memh;
-       bus_size_t iosize, memsize, bsize;
+       bus_size_t iosize, memsize;
 
        sc->sc_dev = self;
+       psc->sc_pc = pa->pa_pc;
+
+       command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
+       command |= PCI_COMMAND_MASTER_ENABLE;
+       pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
 
        /*
         * Map control/status registers.
         */
-       command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
-       command |= PCI_COMMAND_MASTER_ENABLE;
-       pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
-
        ioh_valid = (pci_mapreg_map(pa, RTK_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0,
            &iot, &ioh, NULL, &iosize) == 0);
        memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RTK_PCI_LOMEM);
@@ -204,26 +211,20 @@
        if (ioh_valid) {
                sc->rtk_btag = iot;
                sc->rtk_bhandle = ioh;
-               bsize = iosize;
+               sc->rtk_bsize = iosize;
+               if (memh_valid)
+                       bus_space_unmap(memt, memh, memsize);
        } else if (memh_valid) {
                sc->rtk_btag = memt;
                sc->rtk_bhandle = memh;
-               bsize = memsize;
+               sc->rtk_bsize = memsize;
        } else {
                aprint_error(": can't map registers\n");
                return;
        }
 
-       t = re_devs;
-       hwrev = CSR_READ_4(sc, RTK_TXCFG) & RTK_TXCFG_HWREV;
-
-       while (t->rtk_name != NULL) {
-               if ((PCI_VENDOR(pa->pa_id) == t->rtk_vid) &&
-                   (PCI_PRODUCT(pa->pa_id) == t->rtk_did)) {
-                       break;
-               }
-               t++;
-       }
+       t = re_pci_lookup(pa);
+       KASSERT(t != NULL);
 
        aprint_normal(": %s (rev. 0x%02x)\n",
            t->rtk_name, PCI_REVISION(pa->pa_class));
@@ -262,28 +263,45 @@
 
        re_attach(sc);
 
+       hwrev = CSR_READ_4(sc, RTK_TXCFG) & RTK_TXCFG_HWREV;
+
        /*
         * Perform hardware diagnostic on the original RTL8169.
         * Some 32-bit cards were incorrectly wired and would
         * malfunction if plugged into a 64-bit slot.
         */



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