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![David Howells](/assets/img/avatar_default.png)
Remove all #inclusions of asm/system.h preparatory to splitting and killing it. Performed with the following command: perl -p -i -e 's!^#\s*include\s*<asm/system[.]h>.*\n!!' `grep -Irl '^#\s*include\s*<asm/system[.]h>' *` Signed-off-by: David Howells <dhowells@redhat.com>
1356 lines
37 KiB
C
1356 lines
37 KiB
C
/*======================================================================
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Device driver for Intel 82365 and compatible PC Card controllers.
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i82365.c 1.265 1999/11/10 18:36:21
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The contents of this file are subject to the Mozilla Public
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License Version 1.1 (the "License"); you may not use this file
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except in compliance with the License. You may obtain a copy of
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the License at http://www.mozilla.org/MPL/
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Software distributed under the License is distributed on an "AS
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IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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implied. See the License for the specific language governing
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rights and limitations under the License.
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The initial developer of the original code is David A. Hinds
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<dahinds@users.sourceforge.net>. Portions created by David A. Hinds
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are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
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Alternatively, the contents of this file may be used under the
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terms of the GNU General Public License version 2 (the "GPL"), in which
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case the provisions of the GPL are applicable instead of the
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above. If you wish to allow the use of your version of this file
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only under the terms of the GPL and not to allow others to use
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your version of this file under the MPL, indicate your decision
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by deleting the provisions above and replace them with the notice
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and other provisions required by the GPL. If you do not delete
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the provisions above, a recipient may use your version of this
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file under either the MPL or the GPL.
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======================================================================*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/fcntl.h>
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#include <linux/string.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/timer.h>
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#include <linux/ioport.h>
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#include <linux/delay.h>
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#include <linux/workqueue.h>
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <linux/bitops.h>
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#include <asm/irq.h>
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#include <asm/io.h>
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#include <pcmcia/ss.h>
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#include <linux/isapnp.h>
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/* ISA-bus controllers */
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#include "i82365.h"
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#include "cirrus.h"
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#include "vg468.h"
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#include "ricoh.h"
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static irqreturn_t i365_count_irq(int, void *);
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static inline int _check_irq(int irq, int flags)
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{
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if (request_irq(irq, i365_count_irq, flags, "x", i365_count_irq) != 0)
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return -1;
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free_irq(irq, i365_count_irq);
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return 0;
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}
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/*====================================================================*/
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/* Parameters that can be set with 'insmod' */
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/* Default base address for i82365sl and other ISA chips */
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static unsigned long i365_base = 0x3e0;
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/* Should we probe at 0x3e2 for an extra ISA controller? */
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static int extra_sockets = 0;
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/* Specify a socket number to ignore */
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static int ignore = -1;
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/* Bit map or list of interrupts to choose from */
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static u_int irq_mask = 0xffff;
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static int irq_list[16];
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static unsigned int irq_list_count;
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/* The card status change interrupt -- 0 means autoselect */
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static int cs_irq = 0;
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/* Probe for safe interrupts? */
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static int do_scan = 1;
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/* Poll status interval -- 0 means default to interrupt */
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static int poll_interval = 0;
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/* External clock time, in nanoseconds. 120 ns = 8.33 MHz */
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static int cycle_time = 120;
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/* Cirrus options */
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static int has_dma = -1;
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static int has_led = -1;
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static int has_ring = -1;
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static int dynamic_mode = 0;
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static int freq_bypass = -1;
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static int setup_time = -1;
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static int cmd_time = -1;
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static int recov_time = -1;
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/* Vadem options */
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static int async_clock = -1;
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static int cable_mode = -1;
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static int wakeup = 0;
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module_param(i365_base, ulong, 0444);
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module_param(ignore, int, 0444);
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module_param(extra_sockets, int, 0444);
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module_param(irq_mask, int, 0444);
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module_param_array(irq_list, int, &irq_list_count, 0444);
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module_param(cs_irq, int, 0444);
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module_param(async_clock, int, 0444);
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module_param(cable_mode, int, 0444);
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module_param(wakeup, int, 0444);
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module_param(do_scan, int, 0444);
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module_param(poll_interval, int, 0444);
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module_param(cycle_time, int, 0444);
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module_param(has_dma, int, 0444);
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module_param(has_led, int, 0444);
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module_param(has_ring, int, 0444);
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module_param(dynamic_mode, int, 0444);
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module_param(freq_bypass, int, 0444);
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module_param(setup_time, int, 0444);
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module_param(cmd_time, int, 0444);
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module_param(recov_time, int, 0444);
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/*====================================================================*/
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typedef struct cirrus_state_t {
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u_char misc1, misc2;
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u_char timer[6];
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} cirrus_state_t;
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typedef struct vg46x_state_t {
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u_char ctl, ema;
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} vg46x_state_t;
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struct i82365_socket {
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u_short type, flags;
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struct pcmcia_socket socket;
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unsigned int number;
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unsigned int ioaddr;
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u_short psock;
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u_char cs_irq, intr;
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union {
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cirrus_state_t cirrus;
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vg46x_state_t vg46x;
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} state;
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};
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/* Where we keep track of our sockets... */
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static int sockets = 0;
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static struct i82365_socket socket[8] = {
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{ 0, }, /* ... */
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};
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/* Default ISA interrupt mask */
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#define I365_MASK 0xdeb8 /* irq 15,14,12,11,10,9,7,5,4,3 */
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static int grab_irq;
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static DEFINE_SPINLOCK(isa_lock);
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#define ISA_LOCK(n, f) spin_lock_irqsave(&isa_lock, f)
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#define ISA_UNLOCK(n, f) spin_unlock_irqrestore(&isa_lock, f)
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static struct timer_list poll_timer;
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/*====================================================================*/
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/* These definitions must match the pcic table! */
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typedef enum pcic_id {
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IS_I82365A, IS_I82365B, IS_I82365DF,
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IS_IBM, IS_RF5Cx96, IS_VLSI, IS_VG468, IS_VG469,
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IS_PD6710, IS_PD672X, IS_VT83C469,
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} pcic_id;
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/* Flags for classifying groups of controllers */
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#define IS_VADEM 0x0001
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#define IS_CIRRUS 0x0002
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#define IS_VIA 0x0010
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#define IS_UNKNOWN 0x0400
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#define IS_VG_PWR 0x0800
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#define IS_DF_PWR 0x1000
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#define IS_REGISTERED 0x2000
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#define IS_ALIVE 0x8000
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typedef struct pcic_t {
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char *name;
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u_short flags;
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} pcic_t;
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static pcic_t pcic[] = {
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{ "Intel i82365sl A step", 0 },
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{ "Intel i82365sl B step", 0 },
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{ "Intel i82365sl DF", IS_DF_PWR },
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{ "IBM Clone", 0 },
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{ "Ricoh RF5C296/396", 0 },
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{ "VLSI 82C146", 0 },
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{ "Vadem VG-468", IS_VADEM },
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{ "Vadem VG-469", IS_VADEM|IS_VG_PWR },
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{ "Cirrus PD6710", IS_CIRRUS },
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{ "Cirrus PD672x", IS_CIRRUS },
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{ "VIA VT83C469", IS_CIRRUS|IS_VIA },
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};
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#define PCIC_COUNT (sizeof(pcic)/sizeof(pcic_t))
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/*====================================================================*/
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static DEFINE_SPINLOCK(bus_lock);
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static u_char i365_get(u_short sock, u_short reg)
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{
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unsigned long flags;
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spin_lock_irqsave(&bus_lock,flags);
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{
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unsigned int port = socket[sock].ioaddr;
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u_char val;
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reg = I365_REG(socket[sock].psock, reg);
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outb(reg, port); val = inb(port+1);
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spin_unlock_irqrestore(&bus_lock,flags);
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return val;
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}
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}
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static void i365_set(u_short sock, u_short reg, u_char data)
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{
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unsigned long flags;
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spin_lock_irqsave(&bus_lock,flags);
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{
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unsigned int port = socket[sock].ioaddr;
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u_char val = I365_REG(socket[sock].psock, reg);
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outb(val, port); outb(data, port+1);
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spin_unlock_irqrestore(&bus_lock,flags);
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}
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}
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static void i365_bset(u_short sock, u_short reg, u_char mask)
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{
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u_char d = i365_get(sock, reg);
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d |= mask;
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i365_set(sock, reg, d);
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}
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static void i365_bclr(u_short sock, u_short reg, u_char mask)
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{
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u_char d = i365_get(sock, reg);
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d &= ~mask;
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i365_set(sock, reg, d);
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}
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static void i365_bflip(u_short sock, u_short reg, u_char mask, int b)
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{
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u_char d = i365_get(sock, reg);
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if (b)
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d |= mask;
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else
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d &= ~mask;
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i365_set(sock, reg, d);
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}
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static u_short i365_get_pair(u_short sock, u_short reg)
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{
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u_short a, b;
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a = i365_get(sock, reg);
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b = i365_get(sock, reg+1);
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return (a + (b<<8));
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}
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static void i365_set_pair(u_short sock, u_short reg, u_short data)
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{
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i365_set(sock, reg, data & 0xff);
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i365_set(sock, reg+1, data >> 8);
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}
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/*======================================================================
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Code to save and restore global state information for Cirrus
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PD67xx controllers, and to set and report global configuration
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options.
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The VIA controllers also use these routines, as they are mostly
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Cirrus lookalikes, without the timing registers.
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======================================================================*/
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#define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b))))
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static void cirrus_get_state(u_short s)
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{
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int i;
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cirrus_state_t *p = &socket[s].state.cirrus;
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p->misc1 = i365_get(s, PD67_MISC_CTL_1);
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p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
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p->misc2 = i365_get(s, PD67_MISC_CTL_2);
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for (i = 0; i < 6; i++)
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p->timer[i] = i365_get(s, PD67_TIME_SETUP(0)+i);
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}
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static void cirrus_set_state(u_short s)
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{
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int i;
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u_char misc;
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cirrus_state_t *p = &socket[s].state.cirrus;
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misc = i365_get(s, PD67_MISC_CTL_2);
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i365_set(s, PD67_MISC_CTL_2, p->misc2);
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if (misc & PD67_MC2_SUSPEND) mdelay(50);
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misc = i365_get(s, PD67_MISC_CTL_1);
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misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
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i365_set(s, PD67_MISC_CTL_1, misc | p->misc1);
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for (i = 0; i < 6; i++)
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i365_set(s, PD67_TIME_SETUP(0)+i, p->timer[i]);
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}
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static u_int __init cirrus_set_opts(u_short s, char *buf)
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{
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struct i82365_socket *t = &socket[s];
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cirrus_state_t *p = &socket[s].state.cirrus;
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u_int mask = 0xffff;
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if (has_ring == -1) has_ring = 1;
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flip(p->misc2, PD67_MC2_IRQ15_RI, has_ring);
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flip(p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode);
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flip(p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass);
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if (p->misc2 & PD67_MC2_IRQ15_RI)
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strcat(buf, " [ring]");
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if (p->misc2 & PD67_MC2_DYNAMIC_MODE)
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strcat(buf, " [dyn mode]");
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if (p->misc2 & PD67_MC2_FREQ_BYPASS)
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strcat(buf, " [freq bypass]");
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if (p->misc1 & PD67_MC1_INPACK_ENA)
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strcat(buf, " [inpack]");
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if (p->misc2 & PD67_MC2_IRQ15_RI)
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mask &= ~0x8000;
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if (has_led > 0) {
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strcat(buf, " [led]");
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mask &= ~0x1000;
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}
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if (has_dma > 0) {
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strcat(buf, " [dma]");
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mask &= ~0x0600;
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}
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if (!(t->flags & IS_VIA)) {
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if (setup_time >= 0)
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p->timer[0] = p->timer[3] = setup_time;
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if (cmd_time > 0) {
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p->timer[1] = cmd_time;
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p->timer[4] = cmd_time*2+4;
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}
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if (p->timer[1] == 0) {
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p->timer[1] = 6; p->timer[4] = 16;
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if (p->timer[0] == 0)
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p->timer[0] = p->timer[3] = 1;
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}
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if (recov_time >= 0)
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p->timer[2] = p->timer[5] = recov_time;
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buf += strlen(buf);
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sprintf(buf, " [%d/%d/%d] [%d/%d/%d]", p->timer[0], p->timer[1],
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p->timer[2], p->timer[3], p->timer[4], p->timer[5]);
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}
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return mask;
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}
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/*======================================================================
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Code to save and restore global state information for Vadem VG468
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and VG469 controllers, and to set and report global configuration
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options.
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======================================================================*/
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static void vg46x_get_state(u_short s)
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{
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vg46x_state_t *p = &socket[s].state.vg46x;
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p->ctl = i365_get(s, VG468_CTL);
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if (socket[s].type == IS_VG469)
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p->ema = i365_get(s, VG469_EXT_MODE);
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}
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static void vg46x_set_state(u_short s)
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{
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vg46x_state_t *p = &socket[s].state.vg46x;
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i365_set(s, VG468_CTL, p->ctl);
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if (socket[s].type == IS_VG469)
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i365_set(s, VG469_EXT_MODE, p->ema);
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}
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static u_int __init vg46x_set_opts(u_short s, char *buf)
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{
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vg46x_state_t *p = &socket[s].state.vg46x;
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flip(p->ctl, VG468_CTL_ASYNC, async_clock);
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flip(p->ema, VG469_MODE_CABLE, cable_mode);
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if (p->ctl & VG468_CTL_ASYNC)
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strcat(buf, " [async]");
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if (p->ctl & VG468_CTL_INPACK)
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strcat(buf, " [inpack]");
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if (socket[s].type == IS_VG469) {
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u_char vsel = i365_get(s, VG469_VSELECT);
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if (vsel & VG469_VSEL_EXT_STAT) {
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strcat(buf, " [ext mode]");
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if (vsel & VG469_VSEL_EXT_BUS)
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strcat(buf, " [isa buf]");
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}
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if (p->ema & VG469_MODE_CABLE)
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strcat(buf, " [cable]");
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if (p->ema & VG469_MODE_COMPAT)
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strcat(buf, " [c step]");
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}
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return 0xffff;
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}
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/*======================================================================
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Generic routines to get and set controller options
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======================================================================*/
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static void get_bridge_state(u_short s)
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{
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struct i82365_socket *t = &socket[s];
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if (t->flags & IS_CIRRUS)
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cirrus_get_state(s);
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else if (t->flags & IS_VADEM)
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vg46x_get_state(s);
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}
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static void set_bridge_state(u_short s)
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{
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struct i82365_socket *t = &socket[s];
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if (t->flags & IS_CIRRUS)
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cirrus_set_state(s);
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else {
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i365_set(s, I365_GBLCTL, 0x00);
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i365_set(s, I365_GENCTL, 0x00);
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}
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i365_bflip(s, I365_INTCTL, I365_INTR_ENA, t->intr);
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if (t->flags & IS_VADEM)
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vg46x_set_state(s);
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}
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static u_int __init set_bridge_opts(u_short s, u_short ns)
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{
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u_short i;
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u_int m = 0xffff;
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char buf[128];
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for (i = s; i < s+ns; i++) {
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if (socket[i].flags & IS_ALIVE) {
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printk(KERN_INFO " host opts [%d]: already alive!\n", i);
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continue;
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}
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buf[0] = '\0';
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get_bridge_state(i);
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if (socket[i].flags & IS_CIRRUS)
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m = cirrus_set_opts(i, buf);
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else if (socket[i].flags & IS_VADEM)
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m = vg46x_set_opts(i, buf);
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set_bridge_state(i);
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printk(KERN_INFO " host opts [%d]:%s\n", i,
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|
(*buf) ? buf : " none");
|
|
}
|
|
return m;
|
|
}
|
|
|
|
/*======================================================================
|
|
|
|
Interrupt testing code, for ISA and PCI interrupts
|
|
|
|
======================================================================*/
|
|
|
|
static volatile u_int irq_hits;
|
|
static u_short irq_sock;
|
|
|
|
static irqreturn_t i365_count_irq(int irq, void *dev)
|
|
{
|
|
i365_get(irq_sock, I365_CSC);
|
|
irq_hits++;
|
|
pr_debug("i82365: -> hit on irq %d\n", irq);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static u_int __init test_irq(u_short sock, int irq)
|
|
{
|
|
pr_debug("i82365: testing ISA irq %d\n", irq);
|
|
if (request_irq(irq, i365_count_irq, IRQF_PROBE_SHARED, "scan",
|
|
i365_count_irq) != 0)
|
|
return 1;
|
|
irq_hits = 0; irq_sock = sock;
|
|
msleep(10);
|
|
if (irq_hits) {
|
|
free_irq(irq, i365_count_irq);
|
|
pr_debug("i82365: spurious hit!\n");
|
|
return 1;
|
|
}
|
|
|
|
/* Generate one interrupt */
|
|
i365_set(sock, I365_CSCINT, I365_CSC_DETECT | (irq << 4));
|
|
i365_bset(sock, I365_GENCTL, I365_CTL_SW_IRQ);
|
|
udelay(1000);
|
|
|
|
free_irq(irq, i365_count_irq);
|
|
|
|
/* mask all interrupts */
|
|
i365_set(sock, I365_CSCINT, 0);
|
|
pr_debug("i82365: hits = %d\n", irq_hits);
|
|
|
|
return (irq_hits != 1);
|
|
}
|
|
|
|
static u_int __init isa_scan(u_short sock, u_int mask0)
|
|
{
|
|
u_int mask1 = 0;
|
|
int i;
|
|
|
|
#ifdef __alpha__
|
|
#define PIC 0x4d0
|
|
/* Don't probe level-triggered interrupts -- reserved for PCI */
|
|
mask0 &= ~(inb(PIC) | (inb(PIC+1) << 8));
|
|
#endif
|
|
|
|
if (do_scan) {
|
|
set_bridge_state(sock);
|
|
i365_set(sock, I365_CSCINT, 0);
|
|
for (i = 0; i < 16; i++)
|
|
if ((mask0 & (1 << i)) && (test_irq(sock, i) == 0))
|
|
mask1 |= (1 << i);
|
|
for (i = 0; i < 16; i++)
|
|
if ((mask1 & (1 << i)) && (test_irq(sock, i) != 0))
|
|
mask1 ^= (1 << i);
|
|
}
|
|
|
|
printk(KERN_INFO " ISA irqs (");
|
|
if (mask1) {
|
|
printk("scanned");
|
|
} else {
|
|
/* Fallback: just find interrupts that aren't in use */
|
|
for (i = 0; i < 16; i++)
|
|
if ((mask0 & (1 << i)) && (_check_irq(i, IRQF_PROBE_SHARED) == 0))
|
|
mask1 |= (1 << i);
|
|
printk("default");
|
|
/* If scan failed, default to polled status */
|
|
if (!cs_irq && (poll_interval == 0)) poll_interval = HZ;
|
|
}
|
|
printk(") = ");
|
|
|
|
for (i = 0; i < 16; i++)
|
|
if (mask1 & (1<<i))
|
|
printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i);
|
|
if (mask1 == 0) printk("none!");
|
|
|
|
return mask1;
|
|
}
|
|
|
|
/*====================================================================*/
|
|
|
|
/* Time conversion functions */
|
|
|
|
static int to_cycles(int ns)
|
|
{
|
|
return ns/cycle_time;
|
|
}
|
|
|
|
/*====================================================================*/
|
|
|
|
static int __init identify(unsigned int port, u_short sock)
|
|
{
|
|
u_char val;
|
|
int type = -1;
|
|
|
|
/* Use the next free entry in the socket table */
|
|
socket[sockets].ioaddr = port;
|
|
socket[sockets].psock = sock;
|
|
|
|
/* Wake up a sleepy Cirrus controller */
|
|
if (wakeup) {
|
|
i365_bclr(sockets, PD67_MISC_CTL_2, PD67_MC2_SUSPEND);
|
|
/* Pause at least 50 ms */
|
|
mdelay(50);
|
|
}
|
|
|
|
if ((val = i365_get(sockets, I365_IDENT)) & 0x70)
|
|
return -1;
|
|
switch (val) {
|
|
case 0x82:
|
|
type = IS_I82365A; break;
|
|
case 0x83:
|
|
type = IS_I82365B; break;
|
|
case 0x84:
|
|
type = IS_I82365DF; break;
|
|
case 0x88: case 0x89: case 0x8a:
|
|
type = IS_IBM; break;
|
|
}
|
|
|
|
/* Check for Vadem VG-468 chips */
|
|
outb(0x0e, port);
|
|
outb(0x37, port);
|
|
i365_bset(sockets, VG468_MISC, VG468_MISC_VADEMREV);
|
|
val = i365_get(sockets, I365_IDENT);
|
|
if (val & I365_IDENT_VADEM) {
|
|
i365_bclr(sockets, VG468_MISC, VG468_MISC_VADEMREV);
|
|
type = ((val & 7) >= 4) ? IS_VG469 : IS_VG468;
|
|
}
|
|
|
|
/* Check for Ricoh chips */
|
|
val = i365_get(sockets, RF5C_CHIP_ID);
|
|
if ((val == RF5C_CHIP_RF5C296) || (val == RF5C_CHIP_RF5C396))
|
|
type = IS_RF5Cx96;
|
|
|
|
/* Check for Cirrus CL-PD67xx chips */
|
|
i365_set(sockets, PD67_CHIP_INFO, 0);
|
|
val = i365_get(sockets, PD67_CHIP_INFO);
|
|
if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) {
|
|
val = i365_get(sockets, PD67_CHIP_INFO);
|
|
if ((val & PD67_INFO_CHIP_ID) == 0) {
|
|
type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710;
|
|
i365_set(sockets, PD67_EXT_INDEX, 0xe5);
|
|
if (i365_get(sockets, PD67_EXT_INDEX) != 0xe5)
|
|
type = IS_VT83C469;
|
|
}
|
|
}
|
|
return type;
|
|
} /* identify */
|
|
|
|
/*======================================================================
|
|
|
|
See if a card is present, powered up, in IO mode, and already
|
|
bound to a (non PC Card) Linux driver. We leave these alone.
|
|
|
|
We make an exception for cards that seem to be serial devices.
|
|
|
|
======================================================================*/
|
|
|
|
static int __init is_alive(u_short sock)
|
|
{
|
|
u_char stat;
|
|
unsigned int start, stop;
|
|
|
|
stat = i365_get(sock, I365_STATUS);
|
|
start = i365_get_pair(sock, I365_IO(0)+I365_W_START);
|
|
stop = i365_get_pair(sock, I365_IO(0)+I365_W_STOP);
|
|
if ((stat & I365_CS_DETECT) && (stat & I365_CS_POWERON) &&
|
|
(i365_get(sock, I365_INTCTL) & I365_PC_IOCARD) &&
|
|
(i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(0)) &&
|
|
((start & 0xfeef) != 0x02e8)) {
|
|
if (!request_region(start, stop-start+1, "i82365"))
|
|
return 1;
|
|
release_region(start, stop-start+1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*====================================================================*/
|
|
|
|
static void __init add_socket(unsigned int port, int psock, int type)
|
|
{
|
|
socket[sockets].ioaddr = port;
|
|
socket[sockets].psock = psock;
|
|
socket[sockets].type = type;
|
|
socket[sockets].flags = pcic[type].flags;
|
|
if (is_alive(sockets))
|
|
socket[sockets].flags |= IS_ALIVE;
|
|
sockets++;
|
|
}
|
|
|
|
static void __init add_pcic(int ns, int type)
|
|
{
|
|
u_int mask = 0, i, base;
|
|
int isa_irq = 0;
|
|
struct i82365_socket *t = &socket[sockets-ns];
|
|
|
|
base = sockets-ns;
|
|
if (base == 0) printk("\n");
|
|
printk(KERN_INFO " %s", pcic[type].name);
|
|
printk(" ISA-to-PCMCIA at port %#x ofs 0x%02x",
|
|
t->ioaddr, t->psock*0x40);
|
|
printk(", %d socket%s\n", ns, ((ns > 1) ? "s" : ""));
|
|
|
|
/* Set host options, build basic interrupt mask */
|
|
if (irq_list_count == 0)
|
|
mask = irq_mask;
|
|
else
|
|
for (i = mask = 0; i < irq_list_count; i++)
|
|
mask |= (1<<irq_list[i]);
|
|
mask &= I365_MASK & set_bridge_opts(base, ns);
|
|
/* Scan for ISA interrupts */
|
|
mask = isa_scan(base, mask);
|
|
|
|
/* Poll if only two interrupts available */
|
|
if (!poll_interval) {
|
|
u_int tmp = (mask & 0xff20);
|
|
tmp = tmp & (tmp-1);
|
|
if ((tmp & (tmp-1)) == 0)
|
|
poll_interval = HZ;
|
|
}
|
|
/* Only try an ISA cs_irq if this is the first controller */
|
|
if (!grab_irq && (cs_irq || !poll_interval)) {
|
|
/* Avoid irq 12 unless it is explicitly requested */
|
|
u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
|
|
for (cs_irq = 15; cs_irq > 0; cs_irq--)
|
|
if ((cs_mask & (1 << cs_irq)) &&
|
|
(_check_irq(cs_irq, IRQF_PROBE_SHARED) == 0))
|
|
break;
|
|
if (cs_irq) {
|
|
grab_irq = 1;
|
|
isa_irq = cs_irq;
|
|
printk(" status change on irq %d\n", cs_irq);
|
|
}
|
|
}
|
|
|
|
if (!isa_irq) {
|
|
if (poll_interval == 0)
|
|
poll_interval = HZ;
|
|
printk(" polling interval = %d ms\n",
|
|
poll_interval * 1000 / HZ);
|
|
|
|
}
|
|
|
|
/* Update socket interrupt information, capabilities */
|
|
for (i = 0; i < ns; i++) {
|
|
t[i].socket.features |= SS_CAP_PCCARD;
|
|
t[i].socket.map_size = 0x1000;
|
|
t[i].socket.irq_mask = mask;
|
|
t[i].cs_irq = isa_irq;
|
|
}
|
|
|
|
} /* add_pcic */
|
|
|
|
/*====================================================================*/
|
|
|
|
#ifdef CONFIG_PNP
|
|
static struct isapnp_device_id id_table[] __initdata = {
|
|
{ ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
|
|
ISAPNP_FUNCTION(0x0e00), (unsigned long) "Intel 82365-Compatible" },
|
|
{ ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
|
|
ISAPNP_FUNCTION(0x0e01), (unsigned long) "Cirrus Logic CL-PD6720" },
|
|
{ ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
|
|
ISAPNP_FUNCTION(0x0e02), (unsigned long) "VLSI VL82C146" },
|
|
{ 0 }
|
|
};
|
|
MODULE_DEVICE_TABLE(isapnp, id_table);
|
|
|
|
static struct pnp_dev *i82365_pnpdev;
|
|
#endif
|
|
|
|
static void __init isa_probe(void)
|
|
{
|
|
int i, j, sock, k, ns, id;
|
|
unsigned int port;
|
|
#ifdef CONFIG_PNP
|
|
struct isapnp_device_id *devid;
|
|
struct pnp_dev *dev;
|
|
|
|
for (devid = id_table; devid->vendor; devid++) {
|
|
if ((dev = pnp_find_dev(NULL, devid->vendor, devid->function, NULL))) {
|
|
|
|
if (pnp_device_attach(dev) < 0)
|
|
continue;
|
|
|
|
if (pnp_activate_dev(dev) < 0) {
|
|
printk("activate failed\n");
|
|
pnp_device_detach(dev);
|
|
break;
|
|
}
|
|
|
|
if (!pnp_port_valid(dev, 0)) {
|
|
printk("invalid resources ?\n");
|
|
pnp_device_detach(dev);
|
|
break;
|
|
}
|
|
i365_base = pnp_port_start(dev, 0);
|
|
i82365_pnpdev = dev;
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (!request_region(i365_base, 2, "i82365")) {
|
|
if (sockets == 0)
|
|
printk("port conflict at %#lx\n", i365_base);
|
|
return;
|
|
}
|
|
|
|
id = identify(i365_base, 0);
|
|
if ((id == IS_I82365DF) && (identify(i365_base, 1) != id)) {
|
|
for (i = 0; i < 4; i++) {
|
|
if (i == ignore) continue;
|
|
port = i365_base + ((i & 1) << 2) + ((i & 2) << 1);
|
|
sock = (i & 1) << 1;
|
|
if (identify(port, sock) == IS_I82365DF) {
|
|
add_socket(port, sock, IS_VLSI);
|
|
add_pcic(1, IS_VLSI);
|
|
}
|
|
}
|
|
} else {
|
|
for (i = 0; i < 8; i += 2) {
|
|
if (sockets && !extra_sockets && (i == 4))
|
|
break;
|
|
port = i365_base + 2*(i>>2);
|
|
sock = (i & 3);
|
|
id = identify(port, sock);
|
|
if (id < 0) continue;
|
|
|
|
for (j = ns = 0; j < 2; j++) {
|
|
/* Does the socket exist? */
|
|
if ((ignore == i+j) || (identify(port, sock+j) < 0))
|
|
continue;
|
|
/* Check for bad socket decode */
|
|
for (k = 0; k <= sockets; k++)
|
|
i365_set(k, I365_MEM(0)+I365_W_OFF, k);
|
|
for (k = 0; k <= sockets; k++)
|
|
if (i365_get(k, I365_MEM(0)+I365_W_OFF) != k)
|
|
break;
|
|
if (k <= sockets) break;
|
|
add_socket(port, sock+j, id); ns++;
|
|
}
|
|
if (ns != 0) add_pcic(ns, id);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*====================================================================*/
|
|
|
|
static irqreturn_t pcic_interrupt(int irq, void *dev)
|
|
{
|
|
int i, j, csc;
|
|
u_int events, active;
|
|
u_long flags = 0;
|
|
int handled = 0;
|
|
|
|
pr_debug("pcic_interrupt(%d)\n", irq);
|
|
|
|
for (j = 0; j < 20; j++) {
|
|
active = 0;
|
|
for (i = 0; i < sockets; i++) {
|
|
if (socket[i].cs_irq != irq)
|
|
continue;
|
|
handled = 1;
|
|
ISA_LOCK(i, flags);
|
|
csc = i365_get(i, I365_CSC);
|
|
if ((csc == 0) || (i365_get(i, I365_IDENT) & 0x70)) {
|
|
ISA_UNLOCK(i, flags);
|
|
continue;
|
|
}
|
|
events = (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
|
|
|
|
if (i365_get(i, I365_INTCTL) & I365_PC_IOCARD)
|
|
events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
|
|
else {
|
|
events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
|
|
events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
|
|
events |= (csc & I365_CSC_READY) ? SS_READY : 0;
|
|
}
|
|
ISA_UNLOCK(i, flags);
|
|
pr_debug("socket %d event 0x%02x\n", i, events);
|
|
|
|
if (events)
|
|
pcmcia_parse_events(&socket[i].socket, events);
|
|
|
|
active |= events;
|
|
}
|
|
if (!active) break;
|
|
}
|
|
if (j == 20)
|
|
printk(KERN_NOTICE "i82365: infinite loop in interrupt handler\n");
|
|
|
|
pr_debug("pcic_interrupt done\n");
|
|
return IRQ_RETVAL(handled);
|
|
} /* pcic_interrupt */
|
|
|
|
static void pcic_interrupt_wrapper(u_long data)
|
|
{
|
|
pcic_interrupt(0, NULL);
|
|
poll_timer.expires = jiffies + poll_interval;
|
|
add_timer(&poll_timer);
|
|
}
|
|
|
|
/*====================================================================*/
|
|
|
|
static int i365_get_status(u_short sock, u_int *value)
|
|
{
|
|
u_int status;
|
|
|
|
status = i365_get(sock, I365_STATUS);
|
|
*value = ((status & I365_CS_DETECT) == I365_CS_DETECT)
|
|
? SS_DETECT : 0;
|
|
|
|
if (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD)
|
|
*value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
|
|
else {
|
|
*value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
|
|
*value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
|
|
}
|
|
*value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
|
|
*value |= (status & I365_CS_READY) ? SS_READY : 0;
|
|
*value |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
|
|
|
|
if (socket[sock].type == IS_VG469) {
|
|
status = i365_get(sock, VG469_VSENSE);
|
|
if (socket[sock].psock & 1) {
|
|
*value |= (status & VG469_VSENSE_B_VS1) ? 0 : SS_3VCARD;
|
|
*value |= (status & VG469_VSENSE_B_VS2) ? 0 : SS_XVCARD;
|
|
} else {
|
|
*value |= (status & VG469_VSENSE_A_VS1) ? 0 : SS_3VCARD;
|
|
*value |= (status & VG469_VSENSE_A_VS2) ? 0 : SS_XVCARD;
|
|
}
|
|
}
|
|
|
|
pr_debug("GetStatus(%d) = %#4.4x\n", sock, *value);
|
|
return 0;
|
|
} /* i365_get_status */
|
|
|
|
/*====================================================================*/
|
|
|
|
static int i365_set_socket(u_short sock, socket_state_t *state)
|
|
{
|
|
struct i82365_socket *t = &socket[sock];
|
|
u_char reg;
|
|
|
|
pr_debug("SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
|
|
"io_irq %d, csc_mask %#2.2x)\n", sock, state->flags,
|
|
state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
|
|
|
|
/* First set global controller options */
|
|
set_bridge_state(sock);
|
|
|
|
/* IO card, RESET flag, IO interrupt */
|
|
reg = t->intr;
|
|
reg |= state->io_irq;
|
|
reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
|
|
reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
|
|
i365_set(sock, I365_INTCTL, reg);
|
|
|
|
reg = I365_PWR_NORESET;
|
|
if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
|
|
if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
|
|
|
|
if (t->flags & IS_CIRRUS) {
|
|
if (state->Vpp != 0) {
|
|
if (state->Vpp == 120)
|
|
reg |= I365_VPP1_12V;
|
|
else if (state->Vpp == state->Vcc)
|
|
reg |= I365_VPP1_5V;
|
|
else return -EINVAL;
|
|
}
|
|
if (state->Vcc != 0) {
|
|
reg |= I365_VCC_5V;
|
|
if (state->Vcc == 33)
|
|
i365_bset(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
|
|
else if (state->Vcc == 50)
|
|
i365_bclr(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
|
|
else return -EINVAL;
|
|
}
|
|
} else if (t->flags & IS_VG_PWR) {
|
|
if (state->Vpp != 0) {
|
|
if (state->Vpp == 120)
|
|
reg |= I365_VPP1_12V;
|
|
else if (state->Vpp == state->Vcc)
|
|
reg |= I365_VPP1_5V;
|
|
else return -EINVAL;
|
|
}
|
|
if (state->Vcc != 0) {
|
|
reg |= I365_VCC_5V;
|
|
if (state->Vcc == 33)
|
|
i365_bset(sock, VG469_VSELECT, VG469_VSEL_VCC);
|
|
else if (state->Vcc == 50)
|
|
i365_bclr(sock, VG469_VSELECT, VG469_VSEL_VCC);
|
|
else return -EINVAL;
|
|
}
|
|
} else if (t->flags & IS_DF_PWR) {
|
|
switch (state->Vcc) {
|
|
case 0: break;
|
|
case 33: reg |= I365_VCC_3V; break;
|
|
case 50: reg |= I365_VCC_5V; break;
|
|
default: return -EINVAL;
|
|
}
|
|
switch (state->Vpp) {
|
|
case 0: break;
|
|
case 50: reg |= I365_VPP1_5V; break;
|
|
case 120: reg |= I365_VPP1_12V; break;
|
|
default: return -EINVAL;
|
|
}
|
|
} else {
|
|
switch (state->Vcc) {
|
|
case 0: break;
|
|
case 50: reg |= I365_VCC_5V; break;
|
|
default: return -EINVAL;
|
|
}
|
|
switch (state->Vpp) {
|
|
case 0: break;
|
|
case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break;
|
|
case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break;
|
|
default: return -EINVAL;
|
|
}
|
|
}
|
|
|
|
if (reg != i365_get(sock, I365_POWER))
|
|
i365_set(sock, I365_POWER, reg);
|
|
|
|
/* Chipset-specific functions */
|
|
if (t->flags & IS_CIRRUS) {
|
|
/* Speaker control */
|
|
i365_bflip(sock, PD67_MISC_CTL_1, PD67_MC1_SPKR_ENA,
|
|
state->flags & SS_SPKR_ENA);
|
|
}
|
|
|
|
/* Card status change interrupt mask */
|
|
reg = t->cs_irq << 4;
|
|
if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT;
|
|
if (state->flags & SS_IOCARD) {
|
|
if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
|
|
} else {
|
|
if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1;
|
|
if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2;
|
|
if (state->csc_mask & SS_READY) reg |= I365_CSC_READY;
|
|
}
|
|
i365_set(sock, I365_CSCINT, reg);
|
|
i365_get(sock, I365_CSC);
|
|
|
|
return 0;
|
|
} /* i365_set_socket */
|
|
|
|
/*====================================================================*/
|
|
|
|
static int i365_set_io_map(u_short sock, struct pccard_io_map *io)
|
|
{
|
|
u_char map, ioctl;
|
|
|
|
pr_debug("SetIOMap(%d, %d, %#2.2x, %d ns, "
|
|
"%#llx-%#llx)\n", sock, io->map, io->flags, io->speed,
|
|
(unsigned long long)io->start, (unsigned long long)io->stop);
|
|
map = io->map;
|
|
if ((map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
|
|
(io->stop < io->start)) return -EINVAL;
|
|
/* Turn off the window before changing anything */
|
|
if (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(map))
|
|
i365_bclr(sock, I365_ADDRWIN, I365_ENA_IO(map));
|
|
i365_set_pair(sock, I365_IO(map)+I365_W_START, io->start);
|
|
i365_set_pair(sock, I365_IO(map)+I365_W_STOP, io->stop);
|
|
ioctl = i365_get(sock, I365_IOCTL) & ~I365_IOCTL_MASK(map);
|
|
if (io->speed) ioctl |= I365_IOCTL_WAIT(map);
|
|
if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
|
|
if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
|
|
if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
|
|
i365_set(sock, I365_IOCTL, ioctl);
|
|
/* Turn on the window if necessary */
|
|
if (io->flags & MAP_ACTIVE)
|
|
i365_bset(sock, I365_ADDRWIN, I365_ENA_IO(map));
|
|
return 0;
|
|
} /* i365_set_io_map */
|
|
|
|
/*====================================================================*/
|
|
|
|
static int i365_set_mem_map(u_short sock, struct pccard_mem_map *mem)
|
|
{
|
|
u_short base, i;
|
|
u_char map;
|
|
|
|
pr_debug("SetMemMap(%d, %d, %#2.2x, %d ns, %#llx-%#llx, "
|
|
"%#x)\n", sock, mem->map, mem->flags, mem->speed,
|
|
(unsigned long long)mem->res->start,
|
|
(unsigned long long)mem->res->end, mem->card_start);
|
|
|
|
map = mem->map;
|
|
if ((map > 4) || (mem->card_start > 0x3ffffff) ||
|
|
(mem->res->start > mem->res->end) || (mem->speed > 1000))
|
|
return -EINVAL;
|
|
if ((mem->res->start > 0xffffff) || (mem->res->end > 0xffffff))
|
|
return -EINVAL;
|
|
|
|
/* Turn off the window before changing anything */
|
|
if (i365_get(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
|
|
i365_bclr(sock, I365_ADDRWIN, I365_ENA_MEM(map));
|
|
|
|
base = I365_MEM(map);
|
|
i = (mem->res->start >> 12) & 0x0fff;
|
|
if (mem->flags & MAP_16BIT) i |= I365_MEM_16BIT;
|
|
if (mem->flags & MAP_0WS) i |= I365_MEM_0WS;
|
|
i365_set_pair(sock, base+I365_W_START, i);
|
|
|
|
i = (mem->res->end >> 12) & 0x0fff;
|
|
switch (to_cycles(mem->speed)) {
|
|
case 0: break;
|
|
case 1: i |= I365_MEM_WS0; break;
|
|
case 2: i |= I365_MEM_WS1; break;
|
|
default: i |= I365_MEM_WS1 | I365_MEM_WS0; break;
|
|
}
|
|
i365_set_pair(sock, base+I365_W_STOP, i);
|
|
|
|
i = ((mem->card_start - mem->res->start) >> 12) & 0x3fff;
|
|
if (mem->flags & MAP_WRPROT) i |= I365_MEM_WRPROT;
|
|
if (mem->flags & MAP_ATTRIB) i |= I365_MEM_REG;
|
|
i365_set_pair(sock, base+I365_W_OFF, i);
|
|
|
|
/* Turn on the window if necessary */
|
|
if (mem->flags & MAP_ACTIVE)
|
|
i365_bset(sock, I365_ADDRWIN, I365_ENA_MEM(map));
|
|
return 0;
|
|
} /* i365_set_mem_map */
|
|
|
|
#if 0 /* driver model ordering issue */
|
|
/*======================================================================
|
|
|
|
Routines for accessing socket information and register dumps via
|
|
/sys/class/pcmcia_socket/...
|
|
|
|
======================================================================*/
|
|
|
|
static ssize_t show_info(struct class_device *class_dev, char *buf)
|
|
{
|
|
struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
|
|
return sprintf(buf, "type: %s\npsock: %d\n",
|
|
pcic[s->type].name, s->psock);
|
|
}
|
|
|
|
static ssize_t show_exca(struct class_device *class_dev, char *buf)
|
|
{
|
|
struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
|
|
unsigned short sock;
|
|
int i;
|
|
ssize_t ret = 0;
|
|
unsigned long flags = 0;
|
|
|
|
sock = s->number;
|
|
|
|
ISA_LOCK(sock, flags);
|
|
for (i = 0; i < 0x40; i += 4) {
|
|
ret += sprintf(buf, "%02x %02x %02x %02x%s",
|
|
i365_get(sock,i), i365_get(sock,i+1),
|
|
i365_get(sock,i+2), i365_get(sock,i+3),
|
|
((i % 16) == 12) ? "\n" : " ");
|
|
buf += ret;
|
|
}
|
|
ISA_UNLOCK(sock, flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL);
|
|
static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL);
|
|
#endif
|
|
|
|
/*====================================================================*/
|
|
|
|
/* this is horribly ugly... proper locking needs to be done here at
|
|
* some time... */
|
|
#define LOCKED(x) do { \
|
|
int retval; \
|
|
unsigned long flags; \
|
|
spin_lock_irqsave(&isa_lock, flags); \
|
|
retval = x; \
|
|
spin_unlock_irqrestore(&isa_lock, flags); \
|
|
return retval; \
|
|
} while (0)
|
|
|
|
|
|
static int pcic_get_status(struct pcmcia_socket *s, u_int *value)
|
|
{
|
|
unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
|
|
|
|
if (socket[sock].flags & IS_ALIVE) {
|
|
*value = 0;
|
|
return -EINVAL;
|
|
}
|
|
|
|
LOCKED(i365_get_status(sock, value));
|
|
}
|
|
|
|
static int pcic_set_socket(struct pcmcia_socket *s, socket_state_t *state)
|
|
{
|
|
unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
|
|
|
|
if (socket[sock].flags & IS_ALIVE)
|
|
return -EINVAL;
|
|
|
|
LOCKED(i365_set_socket(sock, state));
|
|
}
|
|
|
|
static int pcic_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
|
|
{
|
|
unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
|
|
if (socket[sock].flags & IS_ALIVE)
|
|
return -EINVAL;
|
|
|
|
LOCKED(i365_set_io_map(sock, io));
|
|
}
|
|
|
|
static int pcic_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem)
|
|
{
|
|
unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
|
|
if (socket[sock].flags & IS_ALIVE)
|
|
return -EINVAL;
|
|
|
|
LOCKED(i365_set_mem_map(sock, mem));
|
|
}
|
|
|
|
static int pcic_init(struct pcmcia_socket *s)
|
|
{
|
|
int i;
|
|
struct resource res = { .start = 0, .end = 0x1000 };
|
|
pccard_io_map io = { 0, 0, 0, 0, 1 };
|
|
pccard_mem_map mem = { .res = &res, };
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
io.map = i;
|
|
pcic_set_io_map(s, &io);
|
|
}
|
|
for (i = 0; i < 5; i++) {
|
|
mem.map = i;
|
|
pcic_set_mem_map(s, &mem);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
static struct pccard_operations pcic_operations = {
|
|
.init = pcic_init,
|
|
.get_status = pcic_get_status,
|
|
.set_socket = pcic_set_socket,
|
|
.set_io_map = pcic_set_io_map,
|
|
.set_mem_map = pcic_set_mem_map,
|
|
};
|
|
|
|
/*====================================================================*/
|
|
|
|
static struct platform_driver i82365_driver = {
|
|
.driver = {
|
|
.name = "i82365",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
};
|
|
|
|
static struct platform_device *i82365_device;
|
|
|
|
static int __init init_i82365(void)
|
|
{
|
|
int i, ret;
|
|
|
|
ret = platform_driver_register(&i82365_driver);
|
|
if (ret)
|
|
goto err_out;
|
|
|
|
i82365_device = platform_device_alloc("i82365", 0);
|
|
if (i82365_device) {
|
|
ret = platform_device_add(i82365_device);
|
|
if (ret)
|
|
platform_device_put(i82365_device);
|
|
} else
|
|
ret = -ENOMEM;
|
|
|
|
if (ret)
|
|
goto err_driver_unregister;
|
|
|
|
printk(KERN_INFO "Intel ISA PCIC probe: ");
|
|
sockets = 0;
|
|
|
|
isa_probe();
|
|
|
|
if (sockets == 0) {
|
|
printk("not found.\n");
|
|
ret = -ENODEV;
|
|
goto err_dev_unregister;
|
|
}
|
|
|
|
/* Set up interrupt handler(s) */
|
|
if (grab_irq != 0)
|
|
ret = request_irq(cs_irq, pcic_interrupt, 0, "i82365", pcic_interrupt);
|
|
|
|
if (ret)
|
|
goto err_socket_release;
|
|
|
|
/* register sockets with the pcmcia core */
|
|
for (i = 0; i < sockets; i++) {
|
|
socket[i].socket.dev.parent = &i82365_device->dev;
|
|
socket[i].socket.ops = &pcic_operations;
|
|
socket[i].socket.resource_ops = &pccard_nonstatic_ops;
|
|
socket[i].socket.owner = THIS_MODULE;
|
|
socket[i].number = i;
|
|
ret = pcmcia_register_socket(&socket[i].socket);
|
|
if (!ret)
|
|
socket[i].flags |= IS_REGISTERED;
|
|
|
|
#if 0 /* driver model ordering issue */
|
|
class_device_create_file(&socket[i].socket.dev,
|
|
&class_device_attr_info);
|
|
class_device_create_file(&socket[i].socket.dev,
|
|
&class_device_attr_exca);
|
|
#endif
|
|
}
|
|
|
|
/* Finally, schedule a polling interrupt */
|
|
if (poll_interval != 0) {
|
|
poll_timer.function = pcic_interrupt_wrapper;
|
|
poll_timer.data = 0;
|
|
init_timer(&poll_timer);
|
|
poll_timer.expires = jiffies + poll_interval;
|
|
add_timer(&poll_timer);
|
|
}
|
|
|
|
return 0;
|
|
err_socket_release:
|
|
for (i = 0; i < sockets; i++) {
|
|
/* Turn off all interrupt sources! */
|
|
i365_set(i, I365_CSCINT, 0);
|
|
release_region(socket[i].ioaddr, 2);
|
|
}
|
|
err_dev_unregister:
|
|
platform_device_unregister(i82365_device);
|
|
release_region(i365_base, 2);
|
|
#ifdef CONFIG_PNP
|
|
if (i82365_pnpdev)
|
|
pnp_disable_dev(i82365_pnpdev);
|
|
#endif
|
|
err_driver_unregister:
|
|
platform_driver_unregister(&i82365_driver);
|
|
err_out:
|
|
return ret;
|
|
} /* init_i82365 */
|
|
|
|
static void __exit exit_i82365(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < sockets; i++) {
|
|
if (socket[i].flags & IS_REGISTERED)
|
|
pcmcia_unregister_socket(&socket[i].socket);
|
|
}
|
|
platform_device_unregister(i82365_device);
|
|
if (poll_interval != 0)
|
|
del_timer_sync(&poll_timer);
|
|
if (grab_irq != 0)
|
|
free_irq(cs_irq, pcic_interrupt);
|
|
for (i = 0; i < sockets; i++) {
|
|
/* Turn off all interrupt sources! */
|
|
i365_set(i, I365_CSCINT, 0);
|
|
release_region(socket[i].ioaddr, 2);
|
|
}
|
|
release_region(i365_base, 2);
|
|
#ifdef CONFIG_PNP
|
|
if (i82365_pnpdev)
|
|
pnp_disable_dev(i82365_pnpdev);
|
|
#endif
|
|
platform_driver_unregister(&i82365_driver);
|
|
} /* exit_i82365 */
|
|
|
|
module_init(init_i82365);
|
|
module_exit(exit_i82365);
|
|
MODULE_LICENSE("Dual MPL/GPL");
|
|
/*====================================================================*/
|