diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-26 16:15:31 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-26 16:15:31 -0700 |
commit | 4496d937a518fde0d0e1980e4ab470cedb4b50cd (patch) | |
tree | a02d57e13b44483417973a306f9fd23743959375 | |
parent | 8e9d2089723d08d51e66c5eea49253d76e27941e (diff) | |
parent | 4b2873ba0bda7dc747cde8b6c7dc6c0b01ea6213 (diff) | |
download | linux-3.10-4496d937a518fde0d0e1980e4ab470cedb4b50cd.tar.gz linux-3.10-4496d937a518fde0d0e1980e4ab470cedb4b50cd.tar.bz2 linux-3.10-4496d937a518fde0d0e1980e4ab470cedb4b50cd.zip |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: irq_node.handler() should return irqreturn_t
m68k: section mismatch fixes: Atari SCSI
m68k: section mismatch fixes: DMAsound for Atari
MAINTAINERS: Replace dead link to m68k CVS repository by link to new git repository
m68k: mac - Add SWIM floppy support
m68k: mac - Add a new entry in mac_model to identify the floppy controller type.
m68k: Add install target
-rw-r--r-- | MAINTAINERS | 2 | ||||
-rw-r--r-- | arch/m68k/Makefile | 3 | ||||
-rw-r--r-- | arch/m68k/include/asm/irq_mm.h | 3 | ||||
-rw-r--r-- | arch/m68k/include/asm/macintosh.h | 7 | ||||
-rw-r--r-- | arch/m68k/install.sh | 52 | ||||
-rw-r--r-- | arch/m68k/mac/config.c | 207 | ||||
-rw-r--r-- | arch/m68k/mac/via.c | 9 | ||||
-rw-r--r-- | drivers/block/Kconfig | 7 | ||||
-rw-r--r-- | drivers/block/Makefile | 3 | ||||
-rw-r--r-- | drivers/block/swim.c | 995 | ||||
-rw-r--r-- | drivers/block/swim_asm.S | 247 | ||||
-rw-r--r-- | drivers/scsi/atari_NCR5380.c | 2 | ||||
-rw-r--r-- | drivers/scsi/atari_scsi.c | 2 | ||||
-rw-r--r-- | sound/oss/dmasound/dmasound_atari.c | 4 |
14 files changed, 1483 insertions, 60 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 4dacdfcdbe6..fa7be04b0cf 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2845,7 +2845,7 @@ P: Roman Zippel M: zippel@linux-m68k.org L: linux-m68k@lists.linux-m68k.org W: http://www.linux-m68k.org/ -W: http://linux-m68k-cvs.ubb.ca/ +T: git git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k.git S: Maintained M68K ON APPLE MACINTOSH diff --git a/arch/m68k/Makefile b/arch/m68k/Makefile index 8133dbc4496..570d85c3f97 100644 --- a/arch/m68k/Makefile +++ b/arch/m68k/Makefile @@ -117,3 +117,6 @@ endif archclean: rm -f vmlinux.gz vmlinux.bz2 + +install: + sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)" diff --git a/arch/m68k/include/asm/irq_mm.h b/arch/m68k/include/asm/irq_mm.h index 226bfc0f21b..0cab42cad79 100644 --- a/arch/m68k/include/asm/irq_mm.h +++ b/arch/m68k/include/asm/irq_mm.h @@ -3,6 +3,7 @@ #include <linux/linkage.h> #include <linux/hardirq.h> +#include <linux/irqreturn.h> #include <linux/spinlock_types.h> /* @@ -80,7 +81,7 @@ struct pt_regs; * interrupt source (if it supports chaining). */ typedef struct irq_node { - int (*handler)(int, void *); + irqreturn_t (*handler)(int, void *); void *dev_id; struct irq_node *next; unsigned long flags; diff --git a/arch/m68k/include/asm/macintosh.h b/arch/m68k/include/asm/macintosh.h index 05309f7e3d0..50db3591ca1 100644 --- a/arch/m68k/include/asm/macintosh.h +++ b/arch/m68k/include/asm/macintosh.h @@ -34,6 +34,7 @@ struct mac_model char scc_type; char ether_type; char nubus_type; + char floppy_type; }; #define MAC_ADB_NONE 0 @@ -71,6 +72,12 @@ struct mac_model #define MAC_NO_NUBUS 0 #define MAC_NUBUS 1 +#define MAC_FLOPPY_IWM 0 +#define MAC_FLOPPY_SWIM_ADDR1 1 +#define MAC_FLOPPY_SWIM_ADDR2 2 +#define MAC_FLOPPY_SWIM_IOP 3 +#define MAC_FLOPPY_AV 4 + /* * Gestalt numbers */ diff --git a/arch/m68k/install.sh b/arch/m68k/install.sh new file mode 100644 index 00000000000..9c6bae6112e --- /dev/null +++ b/arch/m68k/install.sh @@ -0,0 +1,52 @@ +#!/bin/sh +# +# This file is subject to the terms and conditions of the GNU General Public +# License. See the file "COPYING" in the main directory of this archive +# for more details. +# +# Copyright (C) 1995 by Linus Torvalds +# +# Adapted from code in arch/i386/boot/Makefile by H. Peter Anvin +# +# "make install" script for m68k architecture +# +# Arguments: +# $1 - kernel version +# $2 - kernel image file +# $3 - kernel map file +# $4 - default install path (blank if root directory) +# + +verify () { + if [ ! -f "$1" ]; then + echo "" 1>&2 + echo " *** Missing file: $1" 1>&2 + echo ' *** You need to run "make" before "make install".' 1>&2 + echo "" 1>&2 + exit 1 + fi +} + +# Make sure the files actually exist +verify "$2" +verify "$3" + +# User may have a custom install script + +if [ -x ~/bin/${CROSS_COMPILE}installkernel ]; then exec ~/bin/${CROSS_COMPILE}installkernel "$@"; fi +if [ -x /sbin/${CROSS_COMPILE}installkernel ]; then exec /sbin/${CROSS_COMPILE}installkernel "$@"; fi + +# Default install - same as make zlilo + +if [ -f $4/vmlinuz ]; then + mv $4/vmlinuz $4/vmlinuz.old +fi + +if [ -f $4/System.map ]; then + mv $4/System.map $4/System.old +fi + +cat $2 > $4/vmlinuz +cp $3 $4/System.map + +sync diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c index 98b6bcfb37b..be017984a45 100644 --- a/arch/m68k/mac/config.c +++ b/arch/m68k/mac/config.c @@ -22,6 +22,7 @@ /* keyb */ #include <linux/init.h> #include <linux/vt_kern.h> +#include <linux/platform_device.h> #define BOOTINFO_COMPAT_1_0 #include <asm/setup.h> @@ -43,6 +44,10 @@ #include <asm/mac_oss.h> #include <asm/mac_psc.h> +/* platform device info */ + +#define SWIM_IO_SIZE 0x2000 /* SWIM IO resource size */ + /* Mac bootinfo struct */ struct mac_booter_data mac_bi_data; @@ -224,7 +229,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_II, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_IWM }, /* @@ -239,7 +245,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_II, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_IWM }, { .ident = MAC_MODEL_IIX, .name = "IIx", @@ -247,7 +254,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_II, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_IICX, .name = "IIcx", @@ -255,7 +263,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_II, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_SE30, .name = "SE/30", @@ -263,7 +272,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_II, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, /* @@ -280,7 +290,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_IIFX, .name = "IIfx", @@ -288,7 +299,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_IOP, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_IOP }, { .ident = MAC_MODEL_IISI, .name = "IIsi", @@ -296,7 +308,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_IIVI, .name = "IIvi", @@ -304,7 +317,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_IIVX, .name = "IIvx", @@ -312,7 +326,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, /* @@ -326,7 +341,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_CCL, .name = "Color Classic", @@ -334,7 +350,9 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS}, + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + }, /* * Some Mac LC machines. Basically the same as the IIci, ADB like IIsi @@ -347,7 +365,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_LCII, .name = "LC II", @@ -355,7 +374,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_LCIII, .name = "LC III", @@ -363,7 +383,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, /* @@ -383,7 +404,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR1 }, { .ident = MAC_MODEL_Q605_ACC, .name = "Quadra 605", @@ -391,7 +413,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR1 }, { .ident = MAC_MODEL_Q610, .name = "Quadra 610", @@ -400,7 +423,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR1 }, { .ident = MAC_MODEL_Q630, .name = "Quadra 630", @@ -410,7 +434,8 @@ static struct mac_model mac_data_table[] = { .ide_type = MAC_IDE_QUADRA, .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR1 }, { .ident = MAC_MODEL_Q650, .name = "Quadra 650", @@ -419,7 +444,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR1 }, /* The Q700 does have a NS Sonic */ { @@ -430,7 +456,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_QUADRA2, .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR1 }, { .ident = MAC_MODEL_Q800, .name = "Quadra 800", @@ -439,7 +466,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR1 }, { .ident = MAC_MODEL_Q840, .name = "Quadra 840AV", @@ -448,7 +476,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_QUADRA3, .scc_type = MAC_SCC_PSC, .ether_type = MAC_ETHER_MACE, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_AV }, { .ident = MAC_MODEL_Q900, .name = "Quadra 900", @@ -457,7 +486,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_QUADRA2, .scc_type = MAC_SCC_IOP, .ether_type = MAC_ETHER_SONIC, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_IOP }, { .ident = MAC_MODEL_Q950, .name = "Quadra 950", @@ -466,7 +496,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_QUADRA2, .scc_type = MAC_SCC_IOP, .ether_type = MAC_ETHER_SONIC, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_IOP }, /* @@ -480,7 +511,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_P475, .name = "Performa 475", @@ -488,7 +520,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR1 }, { .ident = MAC_MODEL_P475F, .name = "Performa 475", @@ -496,7 +529,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR1 }, { .ident = MAC_MODEL_P520, .name = "Performa 520", @@ -504,7 +538,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_P550, .name = "Performa 550", @@ -512,7 +547,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, /* These have the comm slot, and therefore the possibility of SONIC ethernet */ { @@ -523,7 +559,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_II, .ether_type = MAC_ETHER_SONIC, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR1 }, { .ident = MAC_MODEL_P588, .name = "Performa 588", @@ -533,7 +570,8 @@ static struct mac_model mac_data_table[] = { .ide_type = MAC_IDE_QUADRA, .scc_type = MAC_SCC_II, .ether_type = MAC_ETHER_SONIC, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR1 }, { .ident = MAC_MODEL_TV, .name = "TV", @@ -541,7 +579,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_P600, .name = "Performa 600", @@ -549,7 +588,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, /* @@ -565,7 +605,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR1 }, { .ident = MAC_MODEL_C650, .name = "Centris 650", @@ -574,7 +615,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR1 }, { .ident = MAC_MODEL_C660, .name = "Centris 660AV", @@ -583,7 +625,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_QUADRA3, .scc_type = MAC_SCC_PSC, .ether_type = MAC_ETHER_MACE, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_AV }, /* @@ -599,7 +642,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB145, .name = "PowerBook 145", @@ -607,7 +651,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB150, .name = "PowerBook 150", @@ -616,7 +661,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .ide_type = MAC_IDE_PB, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB160, .name = "PowerBook 160", @@ -624,7 +670,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB165, .name = "PowerBook 165", @@ -632,7 +679,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB165C, .name = "PowerBook 165c", @@ -640,7 +688,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB170, .name = "PowerBook 170", @@ -648,7 +697,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB180, .name = "PowerBook 180", @@ -656,7 +706,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB180C, .name = "PowerBook 180c", @@ -664,7 +715,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB190, .name = "PowerBook 190", @@ -673,7 +725,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .ide_type = MAC_IDE_BABOON, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB520, .name = "PowerBook 520", @@ -682,7 +735,8 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, /* @@ -702,7 +756,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB230, .name = "PowerBook Duo 230", @@ -710,7 +765,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB250, .name = "PowerBook Duo 250", @@ -718,7 +774,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB270C, .name = "PowerBook Duo 270c", @@ -726,7 +783,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB280, .name = "PowerBook Duo 280", @@ -734,7 +792,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, { .ident = MAC_MODEL_PB280C, .name = "PowerBook Duo 280c", @@ -742,7 +801,8 @@ static struct mac_model mac_data_table[] = { .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, - .nubus_type = MAC_NUBUS + .nubus_type = MAC_NUBUS, + .floppy_type = MAC_FLOPPY_SWIM_ADDR2 }, /* @@ -815,3 +875,42 @@ static void mac_get_model(char *str) strcpy(str, "Macintosh "); strcat(str, macintosh_config->name); } + +static struct resource swim_resources[1]; + +static struct platform_device swim_device = { + .name = "swim", + .id = -1, + .num_resources = ARRAY_SIZE(swim_resources), + .resource = swim_resources, +}; + +static struct platform_device *mac_platform_devices[] __initdata = { + &swim_device +}; + +int __init mac_platform_init(void) +{ + u8 *swim_base; + + switch (macintosh_config->floppy_type) { + case MAC_FLOPPY_SWIM_ADDR1: + swim_base = (u8 *)(VIA1_BASE + 0x1E000); + break; + case MAC_FLOPPY_SWIM_ADDR2: + swim_base = (u8 *)(VIA1_BASE + 0x16000); + break; + default: + return 0; + } + + swim_resources[0].name = "swim-regs"; + swim_resources[0].start = (resource_size_t)swim_base; + swim_resources[0].end = (resource_size_t)(swim_base + SWIM_IO_SIZE); + swim_resources[0].flags = IORESOURCE_MEM; + + return platform_add_devices(mac_platform_devices, + ARRAY_SIZE(mac_platform_devices)); +} + +arch_initcall(mac_platform_init); diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c index 7d97ba54536..11bce3cb648 100644 --- a/arch/m68k/mac/via.c +++ b/arch/m68k/mac/via.c @@ -645,3 +645,12 @@ int via_irq_pending(int irq) } return 0; } + +void via1_set_head(int head) +{ + if (head == 0) + via1[vBufA] &= ~VIA1A_vHeadSel; + else + via1[vBufA] |= VIA1A_vHeadSel; +} +EXPORT_SYMBOL(via1_set_head); diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 0344a8a8321..e7b8aa0cb47 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -45,6 +45,13 @@ config MAC_FLOPPY If you have a SWIM-3 (Super Woz Integrated Machine 3; from Apple) floppy controller, say Y here. Most commonly found in PowerMacs. +config BLK_DEV_SWIM + tristate "Support for SWIM Macintosh floppy" + depends on M68K && MAC + help + You should select this option if you want floppy support + and you don't have a II, IIfx, Q900, Q950 or AV series. + config AMIGA_Z2RAM tristate "Amiga Zorro II ramdisk support" depends on ZORRO diff --git a/drivers/block/Makefile b/drivers/block/Makefile index 87e120e0a79..3145141cef7 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -6,6 +6,7 @@ # obj-$(CONFIG_MAC_FLOPPY) += swim3.o +obj-$(CONFIG_BLK_DEV_SWIM) += swim_mod.o obj-$(CONFIG_BLK_DEV_FD) += floppy.o obj-$(CONFIG_AMIGA_FLOPPY) += amiflop.o obj-$(CONFIG_PS3_DISK) += ps3disk.o @@ -33,3 +34,5 @@ obj-$(CONFIG_BLK_DEV_UB) += ub.o obj-$(CONFIG_BLK_DEV_HD) += hd.o obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += xen-blkfront.o + +swim_mod-objs := swim.o swim_asm.o diff --git a/drivers/block/swim.c b/drivers/block/swim.c new file mode 100644 index 00000000000..d22cc385693 --- /dev/null +++ b/drivers/block/swim.c @@ -0,0 +1,995 @@ +/* + * Driver for SWIM (Sander Woz Integrated Machine) floppy controller + * + * Copyright (C) 2004,2008 Laurent Vivier <Laurent@lvivier.info> + * + * based on Alastair Bridgewater SWIM analysis, 2001 + * based on SWIM3 driver (c) Paul Mackerras, 1996 + * based on netBSD IWM driver (c) 1997, 1998 Hauke Fath. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * 2004-08-21 (lv) - Initial implementation + * 2008-10-30 (lv) - Port to 2.6 + */ + +#include <linux/module.h> +#include <linux/fd.h> +#include <linux/blkdev.h> +#include <linux/hdreg.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/platform_device.h> + +#include <asm/macintosh.h> +#include <asm/mac_via.h> + +#define CARDNAME "swim" + +struct sector_header { + unsigned char side; + unsigned char track; + unsigned char sector; + unsigned char size; + unsigned char crc0; + unsigned char crc1; +} __attribute__((packed)); + +#define DRIVER_VERSION "Version 0.2 (2008-10-30)" + +#define REG(x) unsigned char x, x ## _pad[0x200 - 1]; + +struct swim { + REG(write_data) + REG(write_mark) + REG(write_CRC) + REG(write_parameter) + REG(write_phase) + REG(write_setup) + REG(write_mode0) + REG(write_mode1) + + REG(read_data) + REG(read_mark) + REG(read_error) + REG(read_parameter) + REG(read_phase) + REG(read_setup) + REG(read_status) + REG(read_handshake) +} __attribute__((packed)); + +#define swim_write(base, reg, v) out_8(&(base)->write_##reg, (v)) +#define swim_read(base, reg) in_8(&(base)->read_##reg) + +/* IWM registers */ + +struct iwm { + REG(ph0L) + REG(ph0H) + REG(ph1L) + REG(ph1H) + REG(ph2L) + REG(ph2H) + REG(ph3L) + REG(ph3H) + REG(mtrOff) + REG(mtrOn) + REG(intDrive) + REG(extDrive) + REG(q6L) + REG(q6H) + REG(q7L) + REG(q7H) +} __attribute__((packed)); + +#define iwm_write(base, reg, v) out_8(&(base)->reg, (v)) +#define iwm_read(base, reg) in_8(&(base)->reg) + +/* bits in phase register */ + +#define SEEK_POSITIVE 0x070 +#define SEEK_NEGATIVE 0x074 +#define STEP 0x071 +#define MOTOR_ON 0x072 +#define MOTOR_OFF 0x076 +#define INDEX 0x073 +#define EJECT 0x077 +#define SETMFM 0x171 +#define SETGCR 0x175 + +#define RELAX 0x033 +#define LSTRB 0x008 + +#define CA_MASK 0x077 + +/* Select values for swim_select and swim_readbit */ + +#define READ_DATA_0 0x074 +#define TWOMEG_DRIVE 0x075 +#define SINGLE_SIDED 0x076 +#define DRIVE_PRESENT 0x077 +#define DISK_IN 0x170 +#define WRITE_PROT 0x171 +#define TRACK_ZERO 0x172 +#define TACHO 0x173 +#define READ_DATA_1 0x174 +#define MFM_MODE 0x175 +#define SEEK_COMPLETE 0x176 +#define ONEMEG_MEDIA 0x177 + +/* Bits in handshake register */ + +#define MARK_BYTE 0x01 +#define CRC_ZERO 0x02 +#define RDDATA 0x04 +#define SENSE 0x08 +#define MOTEN 0x10 +#define ERROR 0x20 +#define DAT2BYTE 0x40 +#define DAT1BYTE 0x80 + +/* bits in setup register */ + +#define S_INV_WDATA 0x01 +#define S_3_5_SELECT 0x02 +#define S_GCR 0x04 +#define S_FCLK_DIV2 0x08 +#define S_ERROR_CORR 0x10 +#define S_IBM_DRIVE 0x20 +#define S_GCR_WRITE 0x40 +#define S_TIMEOUT 0x80 + +/* bits in mode register */ + +#define CLFIFO 0x01 +#define ENBL1 0x02 +#define ENBL2 0x04 +#define ACTION 0x08 +#define WRITE_MODE 0x10 +#define HEDSEL 0x20 +#define MOTON 0x80 + +/*----------------------------------------------------------------------------*/ + +enum drive_location { + INTERNAL_DRIVE = 0x02, + EXTERNAL_DRIVE = 0x04, +}; + +enum media_type { + DD_MEDIA, + HD_MEDIA, +}; + +struct floppy_state { + + /* physical properties */ + + enum drive_location location; /* internal or external drive */ + int head_number; /* single- or double-sided drive */ + + /* media */ + + int disk_in; + int ejected; + enum media_type type; + int write_protected; + + int total_secs; + int secpercyl; + int secpertrack; + + /* in-use information */ + + int track; + int ref_count; + + struct gendisk *disk; + + /* parent controller */ + + struct swim_priv *swd; +}; + +enum motor_action { + OFF, + ON, +}; + +enum head { + LOWER_HEAD = 0, + UPPER_HEAD = 1, +}; + +#define FD_MAX_UNIT 2 + +struct swim_priv { + struct swim __iomem *base; + spinlock_t lock; + struct request_queue *queue; + int floppy_count; + struct floppy_state unit[FD_MAX_UNIT]; +}; + +extern int swim_read_sector_header(struct swim __iomem *base, + struct sector_header *header); +extern int swim_read_sector_data(struct swim __iomem *base, + unsigned char *data); + +static inline void set_swim_mode(struct swim __iomem *base, int enable) +{ + struct iwm __iomem *iwm_base; + unsigned long flags; + + if (!enable) { + swim_write(base, mode0, 0xf8); + return; + } + + iwm_base = (struct iwm __iomem *)base; + local_irq_save(flags); + + iwm_read(iwm_base, q7L); + iwm_read(iwm_base, mtrOff); + iwm_read(iwm_base, q6H); + + iwm_write(iwm_base, q7H, 0x57); + iwm_write(iwm_base, q7H, 0x17); + iwm_write(iwm_base, q7H, 0x57); + iwm_write(iwm_base, q7H, 0x57); + + local_irq_restore(flags); +} + +static inline int get_swim_mode(struct swim __iomem *base) +{ + unsigned long flags; + + local_irq_save(flags); + + swim_write(base, phase, 0xf5); + if (swim_read(base, phase) != 0xf5) + goto is_iwm; + swim_write(base, phase, 0xf6); + if (swim_read(base, phase) != 0xf6) + goto is_iwm; + swim_write(base, phase, 0xf7); + if (swim_read(base, phase) != 0xf7) + goto is_iwm; + local_irq_restore(flags); + return 1; +is_iwm: + local_irq_restore(flags); + return 0; +} + +static inline void swim_select(struct swim __iomem *base, int sel) +{ + swim_write(base, phase, RELAX); + + via1_set_head(sel & 0x100); + + swim_write(base, phase, sel & CA_MASK); +} + +static inline void swim_action(struct swim __iomem *base, int action) +{ + unsigned long flags; + + local_irq_save(flags); + + swim_select(base, action); + udelay(1); + swim_write(base, phase, (LSTRB<<4) | LSTRB); + udelay(1); + swim_write(base, phase, (LSTRB<<4) | ((~LSTRB) & 0x0F)); + udelay(1); + + local_irq_restore(flags); +} + +static inline int swim_readbit(struct swim __iomem *base, int bit) +{ + int stat; + + swim_select(base, bit); + + udelay(10); + + stat = swim_read(base, handshake); + + return (stat & SENSE) == 0; +} + +static inline void swim_drive(struct swim __iomem *base, + enum drive_location location) +{ + if (location == INTERNAL_DRIVE) { + swim_write(base, mode0, EXTERNAL_DRIVE); /* clear drive 1 bit */ + swim_write(base, mode1, INTERNAL_DRIVE); /* set drive 0 bit */ + } else if (location == EXTERNAL_DRIVE) { + swim_write(base, mode0, INTERNAL_DRIVE); /* clear drive 0 bit */ + swim_write(base, mode1, EXTERNAL_DRIVE); /* set drive 1 bit */ + } +} + +static inline void swim_motor(struct swim __iomem *base, + enum motor_action action) +{ + if (action == ON) { + int i; + + swim_action(base, MOTOR_ON); + + for (i = 0; i < 2*HZ; i++) { + swim_select(base, RELAX); + if (swim_readbit(base, MOTOR_ON)) + break; + current->state = TASK_INTERRUPTIBLE; + schedule_timeout(1); + } + } else if (action == OFF) { + swim_action(base, MOTOR_OFF); + swim_select(base, RELAX); + } +} + +static inline void swim_eject(struct swim __iomem *base) +{ + int i; + + swim_action(base, EJECT); + + for (i = 0; i < 2*HZ; i++) { + swim_select(base, RELAX); + if (!swim_readbit(base, DISK_IN)) + break; + current->state = TASK_INTERRUPTIBLE; + schedule_timeout(1); + } + swim_select(base, RELAX); +} + +static inline void swim_head(struct swim __iomem *base, enum head head) +{ + /* wait drive is ready */ + + if (head == UPPER_HEAD) + swim_select(base, READ_DATA_1); + else if (head == LOWER_HEAD) + swim_select(base, READ_DATA_0); +} + +static inline int swim_step(struct swim __iomem *base) +{ + int wait; + + swim_action(base, STEP); + + for (wait = 0; wait < HZ; wait++) { + + current->state = TASK_INTERRUPTIBLE; + schedule_timeout(1); + + swim_select(base, RELAX); + if (!swim_readbit(base, STEP)) + return 0; + } + return -1; +} + +static inline int swim_track00(struct swim __iomem *base) +{ + int try; + + swim_action(base, SEEK_NEGATIVE); + + for (try = 0; try < 100; try++) { + + swim_select(base, RELAX); + if (swim_readbit(base, TRACK_ZERO)) + break; + + if (swim_step(base)) + return -1; + } + + if (swim_readbit(base, TRACK_ZERO)) + return 0; + + return -1; +} + +static inline int swim_seek(struct swim __iomem *base, int step) +{ + if (step == 0) + return 0; + + if (step < 0) { + swim_action(base, SEEK_NEGATIVE); + step = -step; + } else + swim_action(base, SEEK_POSITIVE); + + for ( ; step > 0; step--) { + if (swim_step(base)) + return -1; + } + + return 0; +} + +static inline int swim_track(struct floppy_state *fs, int track) +{ + struct swim __iomem *base = fs->swd->base; + int ret; + + ret = swim_seek(base, track - fs->track); + + if (ret == 0) + fs->track = track; + else { + swim_track00(base); + fs->track = 0; + } + + return ret; +} + +static int floppy_eject(struct floppy_state *fs) +{ + struct swim __iomem *base = fs->swd->base; + + swim_drive(base, fs->location); + swim_motor(base, OFF); + swim_eject(base); + + fs->disk_in = 0; + fs->ejected = 1; + + return 0; +} + +static inline int swim_read_sector(struct floppy_state *fs, + int side, int track, + int sector, unsigned char *buffer) +{ + struct swim __iomem *base = fs->swd->base; + unsigned long flags; + struct sector_header header; + int ret = -1; + short i; + + swim_track(fs, track); + + swim_write(base, mode1, MOTON); + swim_head(base, side); + swim_write(base, mode0, side); + + local_irq_save(flags); + for (i = 0; i < 36; i++) { + ret = swim_read_sector_header(base, &header); + if (!ret && (header.sector == sector)) { + /* found */ + + ret = swim_read_sector_data(base, buffer); + break; + } + } + local_irq_restore(flags); + + swim_write(base, mode0, MOTON); + + if ((header.side != side) || (header.track != track) || + (header.sector != sector)) + return 0; + + return ret; +} + +static int floppy_read_sectors(struct floppy_state *fs, + int req_sector, int sectors_nb, + unsigned char *buffer) +{ + struct swim __iomem *base = fs->swd->base; + int ret; + int side, track, sector; + int i, try; + + + swim_drive(base, fs->location); + for (i = req_sector; i < req_sector + sectors_nb; i++) { + int x; + track = i / fs->secpercyl; + x = i % fs->secpercyl; + side = x / fs->secpertrack; + sector = x % fs->secpertrack + 1; + + try = 5; + do { + ret = swim_read_sector(fs, side, track, sector, + buffer); + if (try-- == 0) + return -1; + } while (ret != 512); + + buffer += ret; + } + + return 0; +} + +static void redo_fd_request(struct request_queue *q) +{ + struct request *req; + struct floppy_state *fs; + + while ((req = elv_next_request(q))) { + + fs = req->rq_disk->private_data; + if (req->sector < 0 || req->sector >= fs->total_secs) { + end_request(req, 0); + continue; + } + if (req->current_nr_sectors == 0) { + end_request(req, 1); + continue; + } + if (!fs->disk_in) { + end_request(req, 0); + continue; + } + if (rq_data_dir(req) == WRITE) { + if (fs->write_protected) { + end_request(req, 0); + continue; + } + } + switch (rq_data_dir(req)) { + case WRITE: + /* NOT IMPLEMENTED */ + end_request(req, 0); + break; + case READ: + if (floppy_read_sectors(fs, req->sector, + req->current_nr_sectors, + req->buffer)) { + end_request(req, 0); + continue; + } + req->nr_sectors -= req->current_nr_sectors; + req->sector += req->current_nr_sectors; + req->buffer += req->current_nr_sectors * 512; + end_request(req, 1); + break; + } + } +} + +static void do_fd_request(struct request_queue *q) +{ + redo_fd_request(q); +} + +static struct floppy_struct floppy_type[4] = { + { 0, 0, 0, 0, 0, 0x00, 0x00, 0x00, 0x00, NULL }, /* no testing */ + { 720, 9, 1, 80, 0, 0x2A, 0x02, 0xDF, 0x50, NULL }, /* 360KB SS 3.5"*/ + { 1440, 9, 2, 80, 0, 0x2A, 0x02, 0xDF, 0x50, NULL }, /* 720KB 3.5" */ + { 2880, 18, 2, 80, 0, 0x1B, 0x00, 0xCF, 0x6C, NULL }, /* 1.44MB 3.5" */ +}; + +static int get_floppy_geometry(struct floppy_state *fs, int type, + struct floppy_struct **g) +{ + if (type >= ARRAY_SIZE(floppy_type)) + return -EINVAL; + + if (type) + *g = &floppy_type[type]; + else if (fs->type == HD_MEDIA) /* High-Density media */ + *g = &floppy_type[3]; + else if (fs->head_number == 2) /* double-sided */ + *g = &floppy_type[2]; + else + *g = &floppy_type[1]; + + return 0; +} + +static void setup_medium(struct floppy_state *fs) +{ + struct swim __iomem *base = fs->swd->base; + + if (swim_readbit(base, DISK_IN)) { + struct floppy_struct *g; + fs->disk_in = 1; + fs->write_protected = swim_readbit(base, WRITE_PROT); + fs->type = swim_readbit(base, ONEMEG_MEDIA); + + if (swim_track00(base)) + printk(KERN_ERR + "SWIM: cannot move floppy head to track 0\n"); + + swim_track00(base); + + get_floppy_geometry(fs, 0, &g); + fs->total_secs = g->size; + fs->secpercyl = g->head * g->sect; + fs->secpertrack = g->sect; + fs->track = 0; + } else { + fs->disk_in = 0; + } +} + +static int floppy_open(struct block_device *bdev, fmode_t mode) +{ + struct floppy_state *fs = bdev->bd_disk->private_data; + struct swim __iomem *base = fs->swd->base; + int err; + + if (fs->ref_count == -1 || (fs->ref_count && mode & FMODE_EXCL)) + return -EBUSY; + + if (mode & FMODE_EXCL) + fs->ref_count = -1; + else + fs->ref_count++; + + swim_write(base, setup, S_IBM_DRIVE | S_FCLK_DIV2); + udelay(10); + swim_drive(base, INTERNAL_DRIVE); + swim_motor(base, ON); + swim_action(base, SETMFM); + if (fs->ejected) + setup_medium(fs); + if (!fs->disk_in) { + err = -ENXIO; + goto out; + } + + if (mode & FMODE_NDELAY) + return 0; + + if (mode & (FMODE_READ|FMODE_WRITE)) { + check_disk_change(bdev); + if ((mode & FMODE_WRITE) && fs->write_protected) { + err = -EROFS; + goto out; + } + } + return 0; +out: + if (fs->ref_count < 0) + fs->ref_count = 0; + else if (fs->ref_count > 0) + --fs->ref_count; + + if (fs->ref_count == 0) + swim_motor(base, OFF); + return err; +} + +static int floppy_release(struct gendisk *disk, fmode_t mode) +{ + struct floppy_state *fs = disk->private_data; + struct swim __iomem *base = fs->swd->base; + + if (fs->ref_count < 0) + fs->ref_count = 0; + else if (fs->ref_count > 0) + --fs->ref_count; + + if (fs->ref_count == 0) + swim_motor(base, OFF); + + return 0; +} + +static int floppy_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long param) +{ + struct floppy_state *fs = bdev->bd_disk->private_data; + int err; + + if ((cmd & 0x80) && !capable(CAP_SYS_ADMIN)) + return -EPERM; + + switch (cmd) { + case FDEJECT: + if (fs->ref_count != 1) + return -EBUSY; + err = floppy_eject(fs); + return err; + + case FDGETPRM: + if (copy_to_user((void __user *) param, (void *) &floppy_type, + sizeof(struct floppy_struct))) + return -EFAULT; + break; + + default: + printk(KERN_DEBUG "SWIM floppy_ioctl: unknown cmd %d\n", + cmd); + return -ENOSYS; + } + return 0; +} + +static int floppy_getgeo(struct block_device *bdev, struct hd_geometry *geo) +{ + struct floppy_state *fs = bdev->bd_disk->private_data; + struct floppy_struct *g; + int ret; + + ret = get_floppy_geometry(fs, 0, &g); + if (ret) + return ret; + + geo->heads = g->head; + geo->sectors = g->sect; + geo->cylinders = g->track; + + return 0; +} + +static int floppy_check_change(struct gendisk *disk) +{ + struct floppy_state *fs = disk->private_data; + + return fs->ejected; +} + +static int floppy_revalidate(struct gendisk *disk) +{ + struct floppy_state *fs = disk->private_data; + struct swim __iomem *base = fs->swd->base; + + swim_drive(base, fs->location); + + if (fs->ejected) + setup_medium(fs); + + if (!fs->disk_in) + swim_motor(base, OFF); + else + fs->ejected = 0; + + return !fs->disk_in; +} + +static struct block_device_operations floppy_fops = { + .owner = THIS_MODULE, + .open = floppy_open, + .release = floppy_release, + .locked_ioctl = floppy_ioctl, + .getgeo = floppy_getgeo, + .media_changed = floppy_check_change, + .revalidate_disk = floppy_revalidate, +}; + +static struct kobject *floppy_find(dev_t dev, int *part, void *data) +{ + struct swim_priv *swd = data; + int drive = (*part & 3); + + if (drive > swd->floppy_count) + return NULL; + + *part = 0; + return get_disk(swd->unit[drive].disk); +} + +static int __devinit swim_add_floppy(struct swim_priv *swd, + enum drive_location location) +{ + struct floppy_state *fs = &swd->unit[swd->floppy_count]; + struct swim __iomem *base = swd->base; + + fs->location = location; + + swim_drive(base, location); + + swim_motor(base, OFF); + + if (swim_readbit(base, SINGLE_SIDED)) + fs->head_number = 1; + else + fs->head_number = 2; + fs->ref_count = 0; + fs->ejected = 1; + + swd->floppy_count++; + + return 0; +} + +static int __devinit swim_floppy_init(struct swim_priv *swd) +{ + int err; + int drive; + struct swim __iomem *base = swd->base; + + /* scan floppy drives */ + + swim_drive(base, INTERNAL_DRIVE); + if (swim_readbit(base, DRIVE_PRESENT)) + swim_add_floppy(swd, INTERNAL_DRIVE); + swim_drive(base, EXTERNAL_DRIVE); + if (swim_readbit(base, DRIVE_PRESENT)) + swim_add_floppy(swd, EXTERNAL_DRIVE); + + /* register floppy drives */ + + err = register_blkdev(FLOPPY_MAJOR, "fd"); + if (err) { + printk(KERN_ERR "Unable to get major %d for SWIM floppy\n", + FLOPPY_MAJOR); + return -EBUSY; + } + + for (drive = 0; drive < swd->floppy_count; drive++) { + swd->unit[drive].disk = alloc_disk(1); + if (swd->unit[drive].disk == NULL) { + err = -ENOMEM; + goto exit_put_disks; + } + swd->unit[drive].swd = swd; + } + + swd->queue = blk_init_queue(do_fd_request, &swd->lock); + if (!swd->queue) { + err = -ENOMEM; + goto exit_put_disks; + } + + for (drive = 0; drive < swd->floppy_count; drive++) { + swd->unit[drive].disk->flags = GENHD_FL_REMOVABLE; + swd->unit[drive].disk->major = FLOPPY_MAJOR; + swd->unit[drive].disk->first_minor = drive; + sprintf(swd->unit[drive].disk->disk_name, "fd%d", drive); + swd->unit[drive].disk->fops = &floppy_fops; + swd->unit[drive].disk->private_data = &swd->unit[drive]; + swd->unit[drive].disk->queue = swd->queue; + set_capacity(swd->unit[drive].disk, 2880); + add_disk(swd->unit[drive].disk); + } + + blk_register_region(MKDEV(FLOPPY_MAJOR, 0), 256, THIS_MODULE, + floppy_find, NULL, swd); + + return 0; + +exit_put_disks: + unregister_blkdev(FLOPPY_MAJOR, "fd"); + while (drive--) + put_disk(swd->unit[drive].disk); + return err; +} + +static int __devinit swim_probe(struct platform_device *dev) +{ + struct resource *res; + struct swim __iomem *swim_base; + struct swim_priv *swd; + int ret; + + res = platform_get_resource_byname(dev, IORESOURCE_MEM, "swim-regs"); + if (!res) { + ret = -ENODEV; + goto out; + } + + if (!request_mem_region(res->start, resource_size(res), CARDNAME)) { + ret = -EBUSY; + goto out; + } + + swim_base = ioremap(res->start, resource_size(res)); + if (!swim_base) { + return -ENOMEM; + goto out_release_io; + } + + /* probe device */ + + set_swim_mode(swim_base, 1); + if (!get_swim_mode(swim_base)) { + printk(KERN_INFO "SWIM device not found !\n"); + ret = -ENODEV; + goto out_iounmap; + } + + /* set platform driver data */ + + swd = kzalloc(sizeof(struct swim_priv), GFP_KERNEL); + if (!swd) { + ret = -ENOMEM; + goto out_iounmap; + } + platform_set_drvdata(dev, swd); + + swd->base = swim_base; + + ret = swim_floppy_init(swd); + if (ret) + goto out_kfree; + + return 0; + +out_kfree: + platform_set_drvdata(dev, NULL); + kfree(swd); +out_iounmap: + iounmap(swim_base); +out_release_io: + release_mem_region(res->start, resource_size(res)); +out: + return ret; +} + +static int __devexit swim_remove(struct platform_device *dev) +{ + struct swim_priv *swd = platform_get_drvdata(dev); + int drive; + struct resource *res; + + blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256); + + for (drive = 0; drive < swd->floppy_count; drive++) { + del_gendisk(swd->unit[drive].disk); + put_disk(swd->unit[drive].disk); + } + + unregister_blkdev(FLOPPY_MAJOR, "fd"); + + blk_cleanup_queue(swd->queue); + + /* eject floppies */ + + for (drive = 0; drive < swd->floppy_count; drive++) + floppy_eject(&swd->unit[drive]); + + iounmap(swd->base); + + res = platform_get_resource_byname(dev, IORESOURCE_MEM, "swim-regs"); + if (res) + release_mem_region(res->start, resource_size(res)); + + platform_set_drvdata(dev, NULL); + kfree(swd); + + return 0; +} + +static struct platform_driver swim_driver = { + .probe = swim_probe, + .remove = __devexit_p(swim_remove), + .driver = { + .name = CARDNAME, + .owner = THIS_MODULE, + }, +}; + +static int __init swim_init(void) +{ + printk(KERN_INFO "SWIM floppy driver %s\n", DRIVER_VERSION); + + return platform_driver_register(&swim_driver); +} +module_init(swim_init); + +static void __exit swim_exit(void) +{ + platform_driver_unregister(&swim_driver); +} +module_exit(swim_exit); + +MODULE_DESCRIPTION("Driver for SWIM floppy controller"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Laurent Vivier <laurent@lvivier.info>"); +MODULE_ALIAS_BLOCKDEV_MAJOR(FLOPPY_MAJOR); diff --git a/drivers/block/swim_asm.S b/drivers/block/swim_asm.S new file mode 100644 index 00000000000..c9668206857 --- /dev/null +++ b/drivers/block/swim_asm.S @@ -0,0 +1,247 @@ +/* + * low-level functions for the SWIM floppy controller + * + * needs assembly language because is very timing dependent + * this controller exists only on macintosh 680x0 based + * + * Copyright (C) 2004,2008 Laurent Vivier <Laurent@lvivier.info> + * + * based on Alastair Bridgewater SWIM analysis, 2001 + * based on netBSD IWM driver (c) 1997, 1998 Hauke Fath. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * 2004-08-21 (lv) - Initial implementation + * 2008-11-05 (lv) - add get_swim_mode + */ + + .equ write_data, 0x0000 + .equ write_mark, 0x0200 + .equ write_CRC, 0x0400 + .equ write_parameter,0x0600 + .equ write_phase, 0x0800 + .equ write_setup, 0x0a00 + .equ write_mode0, 0x0c00 + .equ write_mode1, 0x0e00 + .equ read_data, 0x1000 + .equ read_mark, 0x1200 + .equ read_error, 0x1400 + .equ read_parameter, 0x1600 + .equ read_phase, 0x1800 + .equ read_setup, 0x1a00 + .equ read_status, 0x1c00 + .equ read_handshake, 0x1e00 + + .equ o_side, 0 + .equ o_track, 1 + .equ o_sector, 2 + .equ o_size, 3 + .equ o_crc0, 4 + .equ o_crc1, 5 + + .equ seek_time, 30000 + .equ max_retry, 40 + .equ sector_size, 512 + + .global swim_read_sector_header +swim_read_sector_header: + link %a6, #0 + moveml %d1-%d5/%a0-%a4,%sp@- + movel %a6@(0x0c), %a4 + bsr mfm_read_addrmark + moveml %sp@+, %d1-%d5/%a0-%a4 + unlk %a6 + rts + +sector_address_mark: + .byte 0xa1, 0xa1, 0xa1, 0xfe +sector_data_mark: + .byte 0xa1, 0xa1, 0xa1, 0xfb + +mfm_read_addrmark: + movel %a6@(0x08), %a3 + lea %a3@(read_handshake), %a2 + lea %a3@(read_mark), %a3 + moveq #-1, %d0 + movew #seek_time, %d2 + +wait_header_init: + tstb %a3@(read_error - read_mark) + moveb #0x18, %a3@(write_mode0 - read_mark) + moveb #0x01, %a3@(write_mode1 - read_mark) + moveb #0x01, %a3@(write_mode0 - read_mark) + tstb %a3@(read_error - read_mark) + moveb #0x08, %a3@(write_mode1 - read_mark) + + lea sector_address_mark, %a0 + moveq #3, %d1 + +wait_addr_mark_byte: + + tstb %a2@ + dbmi %d2, wait_addr_mark_byte + bpl header_exit + + moveb %a3@, %d3 + cmpb %a0@+, %d3 + dbne %d1, wait_addr_mark_byte + bne wait_header_init + + moveq #max_retry, %d2 + +amark0: tstb %a2@ + dbmi %d2, amark0 + bpl signal_nonyb + + moveb %a3@, %a4@(o_track) + + moveq #max_retry, %d2 + +amark1: tstb %a2@ + dbmi %d2, amark1 + bpl signal_nonyb + + moveb %a3@, %a4@(o_side) + + moveq #max_retry, %d2 + +amark2: tstb %a2@ + dbmi %d2, amark2 + bpl signal_nonyb + + moveb %a3@, %a4@(o_sector) + + moveq #max_retry, %d2 + +amark3: tstb %a2@ + dbmi %d2, amark3 + bpl signal_nonyb + + moveb %a3@, %a4@(o_size) + + moveq #max_retry, %d2 + +crc0: tstb %a2@ + dbmi %d2, crc0 + bpl signal_nonyb + + moveb %a3@, %a4@(o_crc0) + + moveq #max_retry, %d2 + +crc1: tstb %a2@ + dbmi %d2, crc1 + bpl signal_nonyb + + moveb %a3@, %a4@(o_crc1) + + tstb %a3@(read_error - read_mark) + +header_exit: + moveq #0, %d0 + moveb #0x18, %a3@(write_mode0 - read_mark) + rts +signal_nonyb: + moveq #-1, %d0 + moveb #0x18, %a3@(write_mode0 - read_mark) + rts + + .global swim_read_sector_data +swim_read_sector_data: + link %a6, #0 + moveml %d1-%d5/%a0-%a5,%sp@- + movel %a6@(0x0c), %a4 + bsr mfm_read_data + moveml %sp@+, %d1-%d5/%a0-%a5 + unlk %a6 + rts + +mfm_read_data: + movel %a6@(0x08), %a3 + lea %a3@(read_handshake), %a2 + lea %a3@(read_data), %a5 + lea %a3@(read_mark), %a3 + movew #seek_time, %d2 + +wait_data_init: + tstb %a3@(read_error - read_mark) + moveb #0x18, %a3@(write_mode0 - read_mark) + moveb #0x01, %a3@(write_mode1 - read_mark) + moveb #0x01, %a3@(write_mode0 - read_mark) + tstb %a3@(read_error - read_mark) + moveb #0x08, %a3@(write_mode1 - read_mark) + + lea sector_data_mark, %a0 + moveq #3, %d1 + + /* wait data address mark */ + +wait_data_mark_byte: + + tstb %a2@ + dbmi %d2, wait_data_mark_byte + bpl data_exit + + moveb %a3@, %d3 + cmpb %a0@+, %d3 + dbne %d1, wait_data_mark_byte + bne wait_data_init + + /* read data */ + + tstb %a3@(read_error - read_mark) + + movel #sector_size-1, %d4 /* sector size */ +read_new_data: + movew #max_retry, %d2 +read_data_loop: + moveb %a2@, %d5 + andb #0xc0, %d5 + dbne %d2, read_data_loop + beq data_exit + moveb %a5@, %a4@+ + andb #0x40, %d5 + dbne %d4, read_new_data + beq exit_loop + moveb %a5@, %a4@+ + dbra %d4, read_new_data +exit_loop: + + /* read CRC */ + + movew #max_retry, %d2 +data_crc0: + + tstb %a2@ + dbmi %d2, data_crc0 + bpl data_exit + + moveb %a3@, %d5 + + moveq #max_retry, %d2 + +data_crc1: + + tstb %a2@ + dbmi %d2, data_crc1 + bpl data_exit + + moveb %a3@, %d5 + + tstb %a3@(read_error - read_mark) + + moveb #0x18, %a3@(write_mode0 - read_mark) + + /* return number of bytes read */ + + movel #sector_size, %d0 + addw #1, %d4 + subl %d4, %d0 + rts +data_exit: + moveb #0x18, %a3@(write_mode0 - read_mark) + moveq #-1, %d0 + rts diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c index 93b61f14865..0471f880048 100644 --- a/drivers/scsi/atari_NCR5380.c +++ b/drivers/scsi/atari_NCR5380.c @@ -844,7 +844,7 @@ static char *lprint_Scsi_Cmnd(Scsi_Cmnd *cmd, char *pos, char *buffer, int lengt * */ -static int NCR5380_init(struct Scsi_Host *instance, int flags) +static int __init NCR5380_init(struct Scsi_Host *instance, int flags) { int i; SETUP_HOSTDATA(instance); diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c index 21fe07f9df8..ad7a23aef0e 100644 --- a/drivers/scsi/atari_scsi.c +++ b/drivers/scsi/atari_scsi.c @@ -589,7 +589,7 @@ int atari_queue_command(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *)) #endif -int atari_scsi_detect(struct scsi_host_template *host) +int __init atari_scsi_detect(struct scsi_host_template *host) { static int called = 0; struct Scsi_Host *instance; diff --git a/sound/oss/dmasound/dmasound_atari.c b/sound/oss/dmasound/dmasound_atari.c index 38931f2f696..1f477412306 100644 --- a/sound/oss/dmasound/dmasound_atari.c +++ b/sound/oss/dmasound/dmasound_atari.c @@ -1524,7 +1524,7 @@ static SETTINGS def_soft = { .speed = 8000 } ; -static MACHINE machTT = { +static __initdata MACHINE machTT = { .name = "Atari", .name2 = "TT", .owner = THIS_MODULE, @@ -1553,7 +1553,7 @@ static MACHINE machTT = { .capabilities = DSP_CAP_BATCH /* As per SNDCTL_DSP_GETCAPS */ }; -static MACHINE machFalcon = { +static __initdata MACHINE machFalcon = { .name = "Atari", .name2 = "FALCON", .dma_alloc = AtaAlloc, |