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![Wolfram Sang](/assets/img/avatar_default.png)
A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
807 lines
23 KiB
C
807 lines
23 KiB
C
/*======================================================================
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Device driver for Databook TCIC-2 PCMCIA controller
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tcic.c 1.111 2000/02/15 04:13:12
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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/errno.h>
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#include <linux/interrupt.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/platform_device.h>
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#include <linux/bitops.h>
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#include <asm/io.h>
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#include <pcmcia/ss.h>
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#include "tcic.h"
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MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
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MODULE_DESCRIPTION("Databook TCIC-2 PCMCIA socket driver");
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MODULE_LICENSE("Dual MPL/GPL");
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/*====================================================================*/
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/* Parameters that can be set with 'insmod' */
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/* The base port address of the TCIC-2 chip */
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static unsigned long tcic_base = TCIC_BASE;
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/* Specify a socket number to ignore */
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static int ignore = -1;
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/* Probe for safe interrupts? */
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static int do_scan = 1;
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/* Bit map 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;
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/* Poll status interval -- 0 means default to interrupt */
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static int poll_interval;
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/* Delay for card status double-checking */
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static int poll_quick = HZ/20;
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/* CCLK external clock time, in nanoseconds. 70 ns = 14.31818 MHz */
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static int cycle_time = 70;
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module_param(tcic_base, ulong, 0444);
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module_param(ignore, int, 0444);
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module_param(do_scan, 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(poll_interval, int, 0444);
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module_param(poll_quick, int, 0444);
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module_param(cycle_time, int, 0444);
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/*====================================================================*/
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static irqreturn_t tcic_interrupt(int irq, void *dev);
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static void tcic_timer(u_long data);
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static struct pccard_operations tcic_operations;
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struct tcic_socket {
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u_short psock;
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u_char last_sstat;
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u_char id;
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struct pcmcia_socket socket;
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};
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static struct timer_list poll_timer;
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static int tcic_timer_pending;
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static int sockets;
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static struct tcic_socket socket_table[2];
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/*====================================================================*/
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/* Trick when selecting interrupts: the TCIC sktirq pin is supposed
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to map to irq 11, but is coded as 0 or 1 in the irq registers. */
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#define TCIC_IRQ(x) ((x) ? (((x) == 11) ? 1 : (x)) : 15)
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#ifdef DEBUG_X
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static u_char tcic_getb(u_char reg)
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{
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u_char val = inb(tcic_base+reg);
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printk(KERN_DEBUG "tcic_getb(%#lx) = %#x\n", tcic_base+reg, val);
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return val;
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}
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static u_short tcic_getw(u_char reg)
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{
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u_short val = inw(tcic_base+reg);
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printk(KERN_DEBUG "tcic_getw(%#lx) = %#x\n", tcic_base+reg, val);
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return val;
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}
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static void tcic_setb(u_char reg, u_char data)
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{
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printk(KERN_DEBUG "tcic_setb(%#lx, %#x)\n", tcic_base+reg, data);
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outb(data, tcic_base+reg);
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}
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static void tcic_setw(u_char reg, u_short data)
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{
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printk(KERN_DEBUG "tcic_setw(%#lx, %#x)\n", tcic_base+reg, data);
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outw(data, tcic_base+reg);
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}
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#else
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#define tcic_getb(reg) inb(tcic_base+reg)
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#define tcic_getw(reg) inw(tcic_base+reg)
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#define tcic_setb(reg, data) outb(data, tcic_base+reg)
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#define tcic_setw(reg, data) outw(data, tcic_base+reg)
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#endif
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static void tcic_setl(u_char reg, u_int data)
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{
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#ifdef DEBUG_X
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printk(KERN_DEBUG "tcic_setl(%#x, %#lx)\n", tcic_base+reg, data);
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#endif
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outw(data & 0xffff, tcic_base+reg);
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outw(data >> 16, tcic_base+reg+2);
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}
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static void tcic_aux_setb(u_short reg, u_char data)
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{
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u_char mode = (tcic_getb(TCIC_MODE) & TCIC_MODE_PGMMASK) | reg;
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tcic_setb(TCIC_MODE, mode);
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tcic_setb(TCIC_AUX, data);
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}
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static u_short tcic_aux_getw(u_short reg)
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{
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u_char mode = (tcic_getb(TCIC_MODE) & TCIC_MODE_PGMMASK) | reg;
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tcic_setb(TCIC_MODE, mode);
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return tcic_getw(TCIC_AUX);
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}
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static void tcic_aux_setw(u_short reg, u_short data)
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{
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u_char mode = (tcic_getb(TCIC_MODE) & TCIC_MODE_PGMMASK) | reg;
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tcic_setb(TCIC_MODE, mode);
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tcic_setw(TCIC_AUX, data);
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}
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/*====================================================================*/
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/* Time conversion functions */
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static int to_cycles(int ns)
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{
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if (ns < 14)
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return 0;
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else
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return 2*(ns-14)/cycle_time;
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}
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/*====================================================================*/
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static volatile u_int irq_hits;
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static irqreturn_t __init tcic_irq_count(int irq, void *dev)
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{
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irq_hits++;
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return IRQ_HANDLED;
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}
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static u_int __init try_irq(int irq)
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{
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u_short cfg;
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irq_hits = 0;
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if (request_irq(irq, tcic_irq_count, 0, "irq scan", tcic_irq_count) != 0)
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return -1;
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mdelay(10);
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if (irq_hits) {
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free_irq(irq, tcic_irq_count);
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return -1;
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}
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/* Generate one interrupt */
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cfg = TCIC_SYSCFG_AUTOBUSY | 0x0a00;
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tcic_aux_setw(TCIC_AUX_SYSCFG, cfg | TCIC_IRQ(irq));
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tcic_setb(TCIC_IENA, TCIC_IENA_ERR | TCIC_IENA_CFG_HIGH);
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tcic_setb(TCIC_ICSR, TCIC_ICSR_ERR | TCIC_ICSR_JAM);
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udelay(1000);
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free_irq(irq, tcic_irq_count);
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/* Turn off interrupts */
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tcic_setb(TCIC_IENA, TCIC_IENA_CFG_OFF);
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while (tcic_getb(TCIC_ICSR))
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tcic_setb(TCIC_ICSR, TCIC_ICSR_JAM);
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tcic_aux_setw(TCIC_AUX_SYSCFG, cfg);
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return (irq_hits != 1);
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}
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static u_int __init irq_scan(u_int mask0)
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{
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u_int mask1;
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int i;
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#ifdef __alpha__
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#define PIC 0x4d0
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/* Don't probe level-triggered interrupts -- reserved for PCI */
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int level_mask = inb_p(PIC) | (inb_p(PIC+1) << 8);
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if (level_mask)
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mask0 &= ~level_mask;
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#endif
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mask1 = 0;
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if (do_scan) {
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for (i = 0; i < 16; i++)
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if ((mask0 & (1 << i)) && (try_irq(i) == 0))
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mask1 |= (1 << i);
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for (i = 0; i < 16; i++)
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if ((mask1 & (1 << i)) && (try_irq(i) != 0)) {
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mask1 ^= (1 << i);
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}
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}
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if (mask1) {
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printk("scanned");
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} else {
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/* Fallback: just find interrupts that aren't in use */
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for (i = 0; i < 16; i++)
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if ((mask0 & (1 << i)) &&
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(request_irq(i, tcic_irq_count, 0, "x", tcic_irq_count) == 0)) {
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mask1 |= (1 << i);
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free_irq(i, tcic_irq_count);
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}
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printk("default");
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}
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printk(") = ");
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for (i = 0; i < 16; i++)
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if (mask1 & (1<<i))
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printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i);
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printk(" ");
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return mask1;
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}
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/*======================================================================
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See if a card is present, powered up, in IO mode, and already
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bound to a (non-PCMCIA) Linux driver.
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We make an exception for cards that look like serial devices.
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======================================================================*/
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static int __init is_active(int s)
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{
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u_short scf1, ioctl, base, num;
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u_char pwr, sstat;
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u_int addr;
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tcic_setl(TCIC_ADDR, (s << TCIC_ADDR_SS_SHFT)
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| TCIC_ADDR_INDREG | TCIC_SCF1(s));
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scf1 = tcic_getw(TCIC_DATA);
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pwr = tcic_getb(TCIC_PWR);
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sstat = tcic_getb(TCIC_SSTAT);
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addr = TCIC_IWIN(s, 0);
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tcic_setw(TCIC_ADDR, addr + TCIC_IBASE_X);
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base = tcic_getw(TCIC_DATA);
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tcic_setw(TCIC_ADDR, addr + TCIC_ICTL_X);
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ioctl = tcic_getw(TCIC_DATA);
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if (ioctl & TCIC_ICTL_TINY)
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num = 1;
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else {
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num = (base ^ (base-1));
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base = base & (base-1);
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}
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if ((sstat & TCIC_SSTAT_CD) && (pwr & TCIC_PWR_VCC(s)) &&
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(scf1 & TCIC_SCF1_IOSTS) && (ioctl & TCIC_ICTL_ENA) &&
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((base & 0xfeef) != 0x02e8)) {
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struct resource *res = request_region(base, num, "tcic-2");
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if (!res) /* region is busy */
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return 1;
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release_region(base, num);
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}
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return 0;
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}
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/*======================================================================
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This returns the revision code for the specified socket.
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======================================================================*/
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static int __init get_tcic_id(void)
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{
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u_short id;
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tcic_aux_setw(TCIC_AUX_TEST, TCIC_TEST_DIAG);
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id = tcic_aux_getw(TCIC_AUX_ILOCK);
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id = (id & TCIC_ILOCKTEST_ID_MASK) >> TCIC_ILOCKTEST_ID_SH;
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tcic_aux_setw(TCIC_AUX_TEST, 0);
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return id;
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}
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/*====================================================================*/
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static struct platform_driver tcic_driver = {
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.driver = {
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.name = "tcic-pcmcia",
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},
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};
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static struct platform_device tcic_device = {
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.name = "tcic-pcmcia",
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.id = 0,
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};
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static int __init init_tcic(void)
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{
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int i, sock, ret = 0;
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u_int mask, scan;
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if (platform_driver_register(&tcic_driver))
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return -1;
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printk(KERN_INFO "Databook TCIC-2 PCMCIA probe: ");
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sock = 0;
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if (!request_region(tcic_base, 16, "tcic-2")) {
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printk("could not allocate ports,\n ");
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platform_driver_unregister(&tcic_driver);
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return -ENODEV;
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}
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else {
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tcic_setw(TCIC_ADDR, 0);
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if (tcic_getw(TCIC_ADDR) == 0) {
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tcic_setw(TCIC_ADDR, 0xc3a5);
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if (tcic_getw(TCIC_ADDR) == 0xc3a5) sock = 2;
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}
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if (sock == 0) {
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/* See if resetting the controller does any good */
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tcic_setb(TCIC_SCTRL, TCIC_SCTRL_RESET);
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tcic_setb(TCIC_SCTRL, 0);
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tcic_setw(TCIC_ADDR, 0);
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if (tcic_getw(TCIC_ADDR) == 0) {
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tcic_setw(TCIC_ADDR, 0xc3a5);
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if (tcic_getw(TCIC_ADDR) == 0xc3a5) sock = 2;
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}
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}
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}
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if (sock == 0) {
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printk("not found.\n");
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release_region(tcic_base, 16);
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platform_driver_unregister(&tcic_driver);
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return -ENODEV;
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}
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sockets = 0;
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for (i = 0; i < sock; i++) {
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if ((i == ignore) || is_active(i)) continue;
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socket_table[sockets].psock = i;
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socket_table[sockets].id = get_tcic_id();
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socket_table[sockets].socket.owner = THIS_MODULE;
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/* only 16-bit cards, memory windows must be size-aligned */
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/* No PCI or CardBus support */
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socket_table[sockets].socket.features = SS_CAP_PCCARD | SS_CAP_MEM_ALIGN;
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/* irq 14, 11, 10, 7, 6, 5, 4, 3 */
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socket_table[sockets].socket.irq_mask = 0x4cf8;
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/* 4K minimum window size */
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socket_table[sockets].socket.map_size = 0x1000;
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sockets++;
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}
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switch (socket_table[0].id) {
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case TCIC_ID_DB86082:
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printk("DB86082"); break;
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case TCIC_ID_DB86082A:
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printk("DB86082A"); break;
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case TCIC_ID_DB86084:
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printk("DB86084"); break;
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case TCIC_ID_DB86084A:
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printk("DB86084A"); break;
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case TCIC_ID_DB86072:
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printk("DB86072"); break;
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case TCIC_ID_DB86184:
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printk("DB86184"); break;
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case TCIC_ID_DB86082B:
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printk("DB86082B"); break;
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default:
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printk("Unknown ID 0x%02x", socket_table[0].id);
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}
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/* Set up polling */
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poll_timer.function = &tcic_timer;
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poll_timer.data = 0;
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init_timer(&poll_timer);
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/* Build interrupt mask */
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printk(KERN_CONT ", %d sockets\n", sockets);
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printk(KERN_INFO " irq list (");
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if (irq_list_count == 0)
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mask = irq_mask;
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else
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for (i = mask = 0; i < irq_list_count; i++)
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mask |= (1<<irq_list[i]);
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/* irq 14, 11, 10, 7, 6, 5, 4, 3 */
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mask &= 0x4cf8;
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/* Scan interrupts */
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mask = irq_scan(mask);
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for (i=0;i<sockets;i++)
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socket_table[i].socket.irq_mask = mask;
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/* Check for only two interrupts available */
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scan = (mask & (mask-1));
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if (((scan & (scan-1)) == 0) && (poll_interval == 0))
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poll_interval = HZ;
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if (poll_interval == 0) {
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/* Avoid irq 12 unless it is explicitly requested */
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u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
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for (i = 15; i > 0; i--)
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if ((cs_mask & (1 << i)) &&
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(request_irq(i, tcic_interrupt, 0, "tcic",
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tcic_interrupt) == 0))
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break;
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cs_irq = i;
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if (cs_irq == 0) poll_interval = HZ;
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}
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if (socket_table[0].socket.irq_mask & (1 << 11))
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printk("sktirq is irq 11, ");
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if (cs_irq != 0)
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printk("status change on irq %d\n", cs_irq);
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else
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printk("polled status, interval = %d ms\n",
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poll_interval * 1000 / HZ);
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for (i = 0; i < sockets; i++) {
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tcic_setw(TCIC_ADDR+2, socket_table[i].psock << TCIC_SS_SHFT);
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socket_table[i].last_sstat = tcic_getb(TCIC_SSTAT);
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}
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|
|
/* jump start interrupt handler, if needed */
|
|
tcic_interrupt(0, NULL);
|
|
|
|
platform_device_register(&tcic_device);
|
|
|
|
for (i = 0; i < sockets; i++) {
|
|
socket_table[i].socket.ops = &tcic_operations;
|
|
socket_table[i].socket.resource_ops = &pccard_nonstatic_ops;
|
|
socket_table[i].socket.dev.parent = &tcic_device.dev;
|
|
ret = pcmcia_register_socket(&socket_table[i].socket);
|
|
if (ret && i)
|
|
pcmcia_unregister_socket(&socket_table[0].socket);
|
|
}
|
|
|
|
return ret;
|
|
|
|
return 0;
|
|
|
|
} /* init_tcic */
|
|
|
|
/*====================================================================*/
|
|
|
|
static void __exit exit_tcic(void)
|
|
{
|
|
int i;
|
|
|
|
del_timer_sync(&poll_timer);
|
|
if (cs_irq != 0) {
|
|
tcic_aux_setw(TCIC_AUX_SYSCFG, TCIC_SYSCFG_AUTOBUSY|0x0a00);
|
|
free_irq(cs_irq, tcic_interrupt);
|
|
}
|
|
release_region(tcic_base, 16);
|
|
|
|
for (i = 0; i < sockets; i++) {
|
|
pcmcia_unregister_socket(&socket_table[i].socket);
|
|
}
|
|
|
|
platform_device_unregister(&tcic_device);
|
|
platform_driver_unregister(&tcic_driver);
|
|
} /* exit_tcic */
|
|
|
|
/*====================================================================*/
|
|
|
|
static irqreturn_t tcic_interrupt(int irq, void *dev)
|
|
{
|
|
int i, quick = 0;
|
|
u_char latch, sstat;
|
|
u_short psock;
|
|
u_int events;
|
|
static volatile int active = 0;
|
|
|
|
if (active) {
|
|
printk(KERN_NOTICE "tcic: reentered interrupt handler!\n");
|
|
return IRQ_NONE;
|
|
} else
|
|
active = 1;
|
|
|
|
pr_debug("tcic_interrupt()\n");
|
|
|
|
for (i = 0; i < sockets; i++) {
|
|
psock = socket_table[i].psock;
|
|
tcic_setl(TCIC_ADDR, (psock << TCIC_ADDR_SS_SHFT)
|
|
| TCIC_ADDR_INDREG | TCIC_SCF1(psock));
|
|
sstat = tcic_getb(TCIC_SSTAT);
|
|
latch = sstat ^ socket_table[psock].last_sstat;
|
|
socket_table[i].last_sstat = sstat;
|
|
if (tcic_getb(TCIC_ICSR) & TCIC_ICSR_CDCHG) {
|
|
tcic_setb(TCIC_ICSR, TCIC_ICSR_CLEAR);
|
|
quick = 1;
|
|
}
|
|
if (latch == 0)
|
|
continue;
|
|
events = (latch & TCIC_SSTAT_CD) ? SS_DETECT : 0;
|
|
events |= (latch & TCIC_SSTAT_WP) ? SS_WRPROT : 0;
|
|
if (tcic_getw(TCIC_DATA) & TCIC_SCF1_IOSTS) {
|
|
events |= (latch & TCIC_SSTAT_LBAT1) ? SS_STSCHG : 0;
|
|
} else {
|
|
events |= (latch & TCIC_SSTAT_RDY) ? SS_READY : 0;
|
|
events |= (latch & TCIC_SSTAT_LBAT1) ? SS_BATDEAD : 0;
|
|
events |= (latch & TCIC_SSTAT_LBAT2) ? SS_BATWARN : 0;
|
|
}
|
|
if (events) {
|
|
pcmcia_parse_events(&socket_table[i].socket, events);
|
|
}
|
|
}
|
|
|
|
/* Schedule next poll, if needed */
|
|
if (((cs_irq == 0) || quick) && (!tcic_timer_pending)) {
|
|
poll_timer.expires = jiffies + (quick ? poll_quick : poll_interval);
|
|
add_timer(&poll_timer);
|
|
tcic_timer_pending = 1;
|
|
}
|
|
active = 0;
|
|
|
|
pr_debug("interrupt done\n");
|
|
return IRQ_HANDLED;
|
|
} /* tcic_interrupt */
|
|
|
|
static void tcic_timer(u_long data)
|
|
{
|
|
pr_debug("tcic_timer()\n");
|
|
tcic_timer_pending = 0;
|
|
tcic_interrupt(0, NULL);
|
|
} /* tcic_timer */
|
|
|
|
/*====================================================================*/
|
|
|
|
static int tcic_get_status(struct pcmcia_socket *sock, u_int *value)
|
|
{
|
|
u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
|
|
u_char reg;
|
|
|
|
tcic_setl(TCIC_ADDR, (psock << TCIC_ADDR_SS_SHFT)
|
|
| TCIC_ADDR_INDREG | TCIC_SCF1(psock));
|
|
reg = tcic_getb(TCIC_SSTAT);
|
|
*value = (reg & TCIC_SSTAT_CD) ? SS_DETECT : 0;
|
|
*value |= (reg & TCIC_SSTAT_WP) ? SS_WRPROT : 0;
|
|
if (tcic_getw(TCIC_DATA) & TCIC_SCF1_IOSTS) {
|
|
*value |= (reg & TCIC_SSTAT_LBAT1) ? SS_STSCHG : 0;
|
|
} else {
|
|
*value |= (reg & TCIC_SSTAT_RDY) ? SS_READY : 0;
|
|
*value |= (reg & TCIC_SSTAT_LBAT1) ? SS_BATDEAD : 0;
|
|
*value |= (reg & TCIC_SSTAT_LBAT2) ? SS_BATWARN : 0;
|
|
}
|
|
reg = tcic_getb(TCIC_PWR);
|
|
if (reg & (TCIC_PWR_VCC(psock)|TCIC_PWR_VPP(psock)))
|
|
*value |= SS_POWERON;
|
|
dev_dbg(&sock->dev, "GetStatus(%d) = %#2.2x\n", psock, *value);
|
|
return 0;
|
|
} /* tcic_get_status */
|
|
|
|
/*====================================================================*/
|
|
|
|
static int tcic_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
|
|
{
|
|
u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
|
|
u_char reg;
|
|
u_short scf1, scf2;
|
|
|
|
dev_dbg(&sock->dev, "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
|
|
"io_irq %d, csc_mask %#2.2x)\n", psock, state->flags,
|
|
state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
|
|
tcic_setw(TCIC_ADDR+2, (psock << TCIC_SS_SHFT) | TCIC_ADR2_INDREG);
|
|
|
|
reg = tcic_getb(TCIC_PWR);
|
|
reg &= ~(TCIC_PWR_VCC(psock) | TCIC_PWR_VPP(psock));
|
|
|
|
if (state->Vcc == 50) {
|
|
switch (state->Vpp) {
|
|
case 0: reg |= TCIC_PWR_VCC(psock) | TCIC_PWR_VPP(psock); break;
|
|
case 50: reg |= TCIC_PWR_VCC(psock); break;
|
|
case 120: reg |= TCIC_PWR_VPP(psock); break;
|
|
default: return -EINVAL;
|
|
}
|
|
} else if (state->Vcc != 0)
|
|
return -EINVAL;
|
|
|
|
if (reg != tcic_getb(TCIC_PWR))
|
|
tcic_setb(TCIC_PWR, reg);
|
|
|
|
reg = TCIC_ILOCK_HOLD_CCLK | TCIC_ILOCK_CWAIT;
|
|
if (state->flags & SS_OUTPUT_ENA) {
|
|
tcic_setb(TCIC_SCTRL, TCIC_SCTRL_ENA);
|
|
reg |= TCIC_ILOCK_CRESENA;
|
|
} else
|
|
tcic_setb(TCIC_SCTRL, 0);
|
|
if (state->flags & SS_RESET)
|
|
reg |= TCIC_ILOCK_CRESET;
|
|
tcic_aux_setb(TCIC_AUX_ILOCK, reg);
|
|
|
|
tcic_setw(TCIC_ADDR, TCIC_SCF1(psock));
|
|
scf1 = TCIC_SCF1_FINPACK;
|
|
scf1 |= TCIC_IRQ(state->io_irq);
|
|
if (state->flags & SS_IOCARD) {
|
|
scf1 |= TCIC_SCF1_IOSTS;
|
|
if (state->flags & SS_SPKR_ENA)
|
|
scf1 |= TCIC_SCF1_SPKR;
|
|
if (state->flags & SS_DMA_MODE)
|
|
scf1 |= TCIC_SCF1_DREQ2 << TCIC_SCF1_DMA_SHIFT;
|
|
}
|
|
tcic_setw(TCIC_DATA, scf1);
|
|
|
|
/* Some general setup stuff, and configure status interrupt */
|
|
reg = TCIC_WAIT_ASYNC | TCIC_WAIT_SENSE | to_cycles(250);
|
|
tcic_aux_setb(TCIC_AUX_WCTL, reg);
|
|
tcic_aux_setw(TCIC_AUX_SYSCFG, TCIC_SYSCFG_AUTOBUSY|0x0a00|
|
|
TCIC_IRQ(cs_irq));
|
|
|
|
/* Card status change interrupt mask */
|
|
tcic_setw(TCIC_ADDR, TCIC_SCF2(psock));
|
|
scf2 = TCIC_SCF2_MALL;
|
|
if (state->csc_mask & SS_DETECT) scf2 &= ~TCIC_SCF2_MCD;
|
|
if (state->flags & SS_IOCARD) {
|
|
if (state->csc_mask & SS_STSCHG) reg &= ~TCIC_SCF2_MLBAT1;
|
|
} else {
|
|
if (state->csc_mask & SS_BATDEAD) reg &= ~TCIC_SCF2_MLBAT1;
|
|
if (state->csc_mask & SS_BATWARN) reg &= ~TCIC_SCF2_MLBAT2;
|
|
if (state->csc_mask & SS_READY) reg &= ~TCIC_SCF2_MRDY;
|
|
}
|
|
tcic_setw(TCIC_DATA, scf2);
|
|
/* For the ISA bus, the irq should be active-high totem-pole */
|
|
tcic_setb(TCIC_IENA, TCIC_IENA_CDCHG | TCIC_IENA_CFG_HIGH);
|
|
|
|
return 0;
|
|
} /* tcic_set_socket */
|
|
|
|
/*====================================================================*/
|
|
|
|
static int tcic_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
|
|
{
|
|
u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
|
|
u_int addr;
|
|
u_short base, len, ioctl;
|
|
|
|
dev_dbg(&sock->dev, "SetIOMap(%d, %d, %#2.2x, %d ns, "
|
|
"%#llx-%#llx)\n", psock, io->map, io->flags, io->speed,
|
|
(unsigned long long)io->start, (unsigned long long)io->stop);
|
|
if ((io->map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
|
|
(io->stop < io->start)) return -EINVAL;
|
|
tcic_setw(TCIC_ADDR+2, TCIC_ADR2_INDREG | (psock << TCIC_SS_SHFT));
|
|
addr = TCIC_IWIN(psock, io->map);
|
|
|
|
base = io->start; len = io->stop - io->start;
|
|
/* Check to see that len+1 is power of two, etc */
|
|
if ((len & (len+1)) || (base & len)) return -EINVAL;
|
|
base |= (len+1)>>1;
|
|
tcic_setw(TCIC_ADDR, addr + TCIC_IBASE_X);
|
|
tcic_setw(TCIC_DATA, base);
|
|
|
|
ioctl = (psock << TCIC_ICTL_SS_SHFT);
|
|
ioctl |= (len == 0) ? TCIC_ICTL_TINY : 0;
|
|
ioctl |= (io->flags & MAP_ACTIVE) ? TCIC_ICTL_ENA : 0;
|
|
ioctl |= to_cycles(io->speed) & TCIC_ICTL_WSCNT_MASK;
|
|
if (!(io->flags & MAP_AUTOSZ)) {
|
|
ioctl |= TCIC_ICTL_QUIET;
|
|
ioctl |= (io->flags & MAP_16BIT) ? TCIC_ICTL_BW_16 : TCIC_ICTL_BW_8;
|
|
}
|
|
tcic_setw(TCIC_ADDR, addr + TCIC_ICTL_X);
|
|
tcic_setw(TCIC_DATA, ioctl);
|
|
|
|
return 0;
|
|
} /* tcic_set_io_map */
|
|
|
|
/*====================================================================*/
|
|
|
|
static int tcic_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
|
|
{
|
|
u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
|
|
u_short addr, ctl;
|
|
u_long base, len, mmap;
|
|
|
|
dev_dbg(&sock->dev, "SetMemMap(%d, %d, %#2.2x, %d ns, "
|
|
"%#llx-%#llx, %#x)\n", psock, mem->map, mem->flags,
|
|
mem->speed, (unsigned long long)mem->res->start,
|
|
(unsigned long long)mem->res->end, mem->card_start);
|
|
if ((mem->map > 3) || (mem->card_start > 0x3ffffff) ||
|
|
(mem->res->start > 0xffffff) || (mem->res->end > 0xffffff) ||
|
|
(mem->res->start > mem->res->end) || (mem->speed > 1000))
|
|
return -EINVAL;
|
|
tcic_setw(TCIC_ADDR+2, TCIC_ADR2_INDREG | (psock << TCIC_SS_SHFT));
|
|
addr = TCIC_MWIN(psock, mem->map);
|
|
|
|
base = mem->res->start; len = mem->res->end - mem->res->start;
|
|
if ((len & (len+1)) || (base & len)) return -EINVAL;
|
|
if (len == 0x0fff)
|
|
base = (base >> TCIC_MBASE_HA_SHFT) | TCIC_MBASE_4K_BIT;
|
|
else
|
|
base = (base | (len+1)>>1) >> TCIC_MBASE_HA_SHFT;
|
|
tcic_setw(TCIC_ADDR, addr + TCIC_MBASE_X);
|
|
tcic_setw(TCIC_DATA, base);
|
|
|
|
mmap = mem->card_start - mem->res->start;
|
|
mmap = (mmap >> TCIC_MMAP_CA_SHFT) & TCIC_MMAP_CA_MASK;
|
|
if (mem->flags & MAP_ATTRIB) mmap |= TCIC_MMAP_REG;
|
|
tcic_setw(TCIC_ADDR, addr + TCIC_MMAP_X);
|
|
tcic_setw(TCIC_DATA, mmap);
|
|
|
|
ctl = TCIC_MCTL_QUIET | (psock << TCIC_MCTL_SS_SHFT);
|
|
ctl |= to_cycles(mem->speed) & TCIC_MCTL_WSCNT_MASK;
|
|
ctl |= (mem->flags & MAP_16BIT) ? 0 : TCIC_MCTL_B8;
|
|
ctl |= (mem->flags & MAP_WRPROT) ? TCIC_MCTL_WP : 0;
|
|
ctl |= (mem->flags & MAP_ACTIVE) ? TCIC_MCTL_ENA : 0;
|
|
tcic_setw(TCIC_ADDR, addr + TCIC_MCTL_X);
|
|
tcic_setw(TCIC_DATA, ctl);
|
|
|
|
return 0;
|
|
} /* tcic_set_mem_map */
|
|
|
|
/*====================================================================*/
|
|
|
|
static int tcic_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;
|
|
tcic_set_io_map(s, &io);
|
|
}
|
|
for (i = 0; i < 5; i++) {
|
|
mem.map = i;
|
|
tcic_set_mem_map(s, &mem);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct pccard_operations tcic_operations = {
|
|
.init = tcic_init,
|
|
.get_status = tcic_get_status,
|
|
.set_socket = tcic_set_socket,
|
|
.set_io_map = tcic_set_io_map,
|
|
.set_mem_map = tcic_set_mem_map,
|
|
};
|
|
|
|
/*====================================================================*/
|
|
|
|
module_init(init_tcic);
|
|
module_exit(exit_tcic);
|