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https://github.com/freebsd/freebsd-src
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Adds the APM hooks into the generic pccard kernel files. With this code
in place device drivers can now register power-down/power-up routines so that we can use common routines to power-up/power-down cards for insert/removals, suspend/resume, etc.. Reviewed by: phk Submitted by: the 'Nomads'
This commit is contained in:
Nate Williams
parent
d9fd44dd79
commit
ceff12b4c4
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=15360
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@ -14,7 +14,7 @@
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*
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* Sep, 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
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*
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* $Id: apm.c,v 1.38 1996/04/18 19:21:47 nate Exp $
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* $Id: apm.c,v 1.39 1996/04/22 19:40:18 nate Exp $
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*/
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#include "apm.h"
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@ -356,7 +356,6 @@ apm_hook_establish(int apmh, struct apmhook *ah)
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return apm_add_hook(&hook[apmh], ah);
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}
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#ifdef notused
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/* disestablish an apm hook */
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void
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apm_hook_disestablish(int apmh, struct apmhook *ah)
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@ -366,7 +365,6 @@ apm_hook_disestablish(int apmh, struct apmhook *ah)
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apm_del_hook(&hook[apmh], ah);
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}
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#endif /* notused */
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static struct timeval suspend_time;
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@ -14,7 +14,7 @@
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*
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* Sep, 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
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*
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* $Id: apm.c,v 1.38 1996/04/18 19:21:47 nate Exp $
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* $Id: apm.c,v 1.39 1996/04/22 19:40:18 nate Exp $
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*/
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#include "apm.h"
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@ -356,7 +356,6 @@ apm_hook_establish(int apmh, struct apmhook *ah)
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return apm_add_hook(&hook[apmh], ah);
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}
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#ifdef notused
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/* disestablish an apm hook */
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void
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apm_hook_disestablish(int apmh, struct apmhook *ah)
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@ -366,7 +365,6 @@ apm_hook_disestablish(int apmh, struct apmhook *ah)
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apm_del_hook(&hook[apmh], ah);
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}
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#endif /* notused */
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static struct timeval suspend_time;
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@ -12,7 +12,7 @@
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*
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* Aug, 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
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*
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* $Id: apm_bios.h,v 1.8 1996/03/12 05:51:35 nate Exp $
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* $Id: apm_bios.h,v 1.9 1996/03/13 00:41:45 nate Exp $
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*/
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#ifndef _MACHINE_APM_BIOS_H_
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@ -135,9 +135,7 @@ struct apmhook {
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void apm_suspend(void);
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struct apmhook *apm_hook_establish (int apmh, struct apmhook *);
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#ifdef notused
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void apm_hook_disestablish (int apmh, struct apmhook *);
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#endif
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void apm_cpu_idle(void);
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void apm_cpu_busy(void);
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@ -54,6 +54,11 @@
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#include <i386/isa/isa_device.h>
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#include <i386/isa/icu.h>
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#include "apm.h"
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#if NAPM > 0
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#include <machine/apm_bios.h>
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#endif /* NAPM > 0 */
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#include <pccard/card.h>
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#include <pccard/driver.h>
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#include <pccard/slot.h>
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@ -82,6 +87,20 @@ static int invalid_io_memory(unsigned long, int);
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static struct pccard_drv *find_driver(char *);
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static void remove_device(struct pccard_dev *);
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static void slot_irq_handler(int);
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static void power_off_slot(void *);
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#if NAPM > 0
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/*
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* For the APM stuff, the apmhook structure is kept
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* separate from the slot structure so that the slot
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* drivers do not need to know about the hooks (or the
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* data structures).
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*/
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static int slot_suspend(void *arg);
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static int slot_resume(void *arg);
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static struct apmhook s_hook[MAXSLOT]; /* APM suspend */
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static struct apmhook r_hook[MAXSLOT]; /* APM resume */
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#endif /* NAPM > 0 */
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static struct slot *pccard_slots[MAXSLOT]; /* slot entries */
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static struct slot *slot_list;
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@ -221,6 +240,12 @@ pccard_remove_controller(struct slot_ctrl *cp)
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last->next = next;
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else
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slot_list = next;
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#if NAPM > 0
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apm_hook_disestablish(APM_HOOK_SUSPEND,
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&s_hook[sp->slot]);
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apm_hook_disestablish(APM_HOOK_RESUME,
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&r_hook[sp->slot]);
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#endif
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if (cp->extra && sp->cdata)
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FREE(sp->cdata, M_DEVBUF);
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FREE(sp, M_DEVBUF);
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@ -244,6 +269,21 @@ pccard_remove_controller(struct slot_ctrl *cp)
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}
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}
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/*
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* Power off the slot.
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* (doing it immediately makes the removal of some cards unstable)
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*/
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static void
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power_off_slot(void *arg)
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{
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struct slot *sp = (struct slot *)arg;
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sp->pwr_off_pending = 0;
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/* Power off the slot. */
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sp->ctrl->disable(sp);
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}
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/*
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* disable_slot - Disables the slot by removing
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* the power and unmapping the I/O
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@ -282,7 +322,8 @@ disable_slot(struct slot *sp)
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}
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}
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/* Power off the slot. */
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sp->ctrl->disable(sp);
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timeout(power_off_slot, (caddr_t)sp, hz / 4);
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sp->pwr_off_pending = 1;
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/* De-activate all contexts. */
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for (i = 0; i < sp->ctrl->maxmem; i++)
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@ -297,6 +338,40 @@ disable_slot(struct slot *sp)
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}
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}
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/*
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* APM hooks for suspending and resuming.
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*/
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#if NAPM > 0
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static int
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slot_suspend(void *arg)
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{
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struct slot *sp = arg;
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struct pccard_dev *dp;
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for (dp = sp->devices; dp; dp = dp->next)
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(void) dp->drv->suspend(dp);
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if (!sp->suspend_power)
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sp->ctrl->disable(sp);
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return (0);
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}
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static int
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slot_resume(void *arg)
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{
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struct slot *sp = arg;
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struct pccard_dev *dp;
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if (!sp->suspend_power)
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sp->ctrl->power(sp);
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if (sp->irq)
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sp->ctrl->mapirq(sp, sp->irq);
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for (dp = sp->devices; dp; dp = dp->next)
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(void) dp->drv->init(dp, 0);
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return (0);
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}
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#endif /* NAPM > 0 */
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/*
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* pccard_alloc_slot - Called from controller probe
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* routine, this function allocates a new PC-CARD slot
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@ -345,6 +420,24 @@ pccard_alloc_slot(struct slot_ctrl *cp)
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printf("PC-Card %s (%d mem & %d I/O windows)\n",
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cp->name, cp->maxmem, cp->maxio);
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}
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#if NAPM > 0
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{
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struct apmhook *ap;
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ap = &s_hook[sp->slot];
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ap->ah_fun = slot_suspend;
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ap->ah_arg = (void *)sp;
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ap->ah_name = cp->name;
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ap->ah_order = APM_MID_ORDER;
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apm_hook_establish(APM_HOOK_SUSPEND, ap);
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ap = &r_hook[sp->slot];
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ap->ah_fun = slot_resume;
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ap->ah_arg = (void *)sp;
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ap->ah_name = cp->name;
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ap->ah_order = APM_MID_ORDER;
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apm_hook_establish(APM_HOOK_RESUME, ap);
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}
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#endif /* NAPM > 0 */
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return(sp);
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}
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@ -528,19 +621,26 @@ inserted(void *arg)
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*/
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sp->pwr.vcc = 50;
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sp->pwr.vpp = 0;
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untimeout(power_off_slot, (caddr_t)sp);
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if (sp->pwr_off_pending)
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sp->ctrl->disable(sp);
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sp->pwr_off_pending = 0;
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sp->ctrl->power(sp);
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printf("Card inserted, slot %d\n", sp->slot);
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/*
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* Now start resetting the card.
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*/
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sp->ctrl->reset(sp);
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#if NAPM > 0
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sp->suspend_power = 0;
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#endif
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}
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/*
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* Insert/Remove beep
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*/
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static int beepok = 1;
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static int beepok = 0;
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static void enable_beep(void *dummy)
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{
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@ -572,8 +672,10 @@ int s;
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sp->state = empty;
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splx(s);
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printf("Card removed, slot %d\n", sp->slot);
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sysbeep(PCCARD_BEEP_PITCH0, PCCARD_BEEP_DURATION0);
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beepok = 0;
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if (beepok) {
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sysbeep(PCCARD_BEEP_PITCH0, PCCARD_BEEP_DURATION0);
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beepok = 0;
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}
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timeout(enable_beep, (void *)NULL, hz/5);
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selwakeup(&sp->selp);
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}
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@ -581,8 +683,10 @@ int s;
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case card_inserted:
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sp->insert_seq = 1;
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timeout(inserted, (void *)sp, hz/4);
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sysbeep(PCCARD_BEEP_PITCH0, PCCARD_BEEP_DURATION0);
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beepok = 0;
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if (beepok) {
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sysbeep(PCCARD_BEEP_PITCH0, PCCARD_BEEP_DURATION0);
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beepok = 0;
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}
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timeout(enable_beep, (void *)NULL, hz/5);
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break;
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}
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@ -750,6 +854,9 @@ crdioctl(dev_t dev, int cmd, caddr_t data, int fflag, struct proc *p)
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struct mem_desc *mp;
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struct io_desc *ip;
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/* beep is disabled until the 1st call of crdioctl() */
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enable_beep(NULL);
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if (sp == 0 && cmd != PIOCRWMEM)
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return(ENXIO);
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switch(cmd) {
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@ -630,6 +630,8 @@ pcic_probe ()
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pcicintr, 0, &pcic_imask);
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if (pcic_irq < 0)
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printf("pcic: failed to allocate IRQ\n");
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else
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printf("pcic: controller irq %d\n", pcic_irq);
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}
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/*
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* Check for a card in this slot.
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@ -800,7 +802,7 @@ pcic_reset(void *chan)
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putb(sp, PCIC_TIME_CMD0, 0x6);
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putb(sp, PCIC_TIME_RECOV0, 0x0);
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putb(sp, PCIC_TIME_SETUP1, 1);
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putb(sp, PCIC_TIME_CMD1, 0x5F);
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putb(sp, PCIC_TIME_CMD1, 0xf);
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putb(sp, PCIC_TIME_RECOV1, 0);
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}
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selwakeup(&slotp->selp);
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@ -125,6 +125,8 @@ struct slot {
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struct power pwr; /* Power values */
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struct slot_ctrl *ctrl; /* Per-controller data */
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void *cdata; /* Controller specific data */
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int suspend_power; /* Leave powered on during suspend */
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int pwr_off_pending;/* Power status of slot */
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#ifdef DEVFS
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void *devfs_token;
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#endif /* DEVFS*/
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