acpi_timer.c (5331d61da47e57f58c085bdf2b15147d8c017a90) acpi_timer.c (6af444b1184d080c1b2540add2046e0c4c2775e7)
1/*-
2 * Copyright (c) 2000, 2001 Michael Smith
3 * Copyright (c) 2000 BSDi
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 116 unchanged lines hidden (view full) ---

125 return_VOID;
126
127 if ((dev = BUS_ADD_CHILD(parent, 0, "acpi_timer", 0)) == NULL) {
128 device_printf(parent, "could not add acpi_timer0\n");
129 return_VOID;
130 }
131 acpi_timer_dev = dev;
132
1/*-
2 * Copyright (c) 2000, 2001 Michael Smith
3 * Copyright (c) 2000 BSDi
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 116 unchanged lines hidden (view full) ---

125 return_VOID;
126
127 if ((dev = BUS_ADD_CHILD(parent, 0, "acpi_timer", 0)) == NULL) {
128 device_printf(parent, "could not add acpi_timer0\n");
129 return_VOID;
130 }
131 acpi_timer_dev = dev;
132
133 switch (AcpiGbl_FADT.XPmTimerBlock.SpaceId) {
134 case ACPI_ADR_SPACE_SYSTEM_MEMORY:
135 rtype = SYS_RES_MEMORY;
136 break;
137 case ACPI_ADR_SPACE_SYSTEM_IO:
138 rtype = SYS_RES_IOPORT;
139 break;
140 default:
141 return_VOID;
142 }
133 rid = 0;
143 rid = 0;
134 rtype = AcpiGbl_FADT.XPmTimerBlock.SpaceId ?
135 SYS_RES_IOPORT : SYS_RES_MEMORY;
136 rlen = AcpiGbl_FADT.PmTimerLength;
137 rstart = AcpiGbl_FADT.XPmTimerBlock.Address;
138 if (bus_set_resource(dev, rtype, rid, rstart, rlen))
139 device_printf(dev, "couldn't set resource (%s 0x%lx+0x%lx)\n",
140 (rtype == SYS_RES_IOPORT) ? "port" : "mem", rstart, rlen);
141 return_VOID;
142}
143
144static int
145acpi_timer_probe(device_t dev)
146{
147 char desc[40];
148 int i, j, rid, rtype;
149
150 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
151
152 if (dev != acpi_timer_dev)
153 return (ENXIO);
154
144 rlen = AcpiGbl_FADT.PmTimerLength;
145 rstart = AcpiGbl_FADT.XPmTimerBlock.Address;
146 if (bus_set_resource(dev, rtype, rid, rstart, rlen))
147 device_printf(dev, "couldn't set resource (%s 0x%lx+0x%lx)\n",
148 (rtype == SYS_RES_IOPORT) ? "port" : "mem", rstart, rlen);
149 return_VOID;
150}
151
152static int
153acpi_timer_probe(device_t dev)
154{
155 char desc[40];
156 int i, j, rid, rtype;
157
158 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
159
160 if (dev != acpi_timer_dev)
161 return (ENXIO);
162
163 switch (AcpiGbl_FADT.XPmTimerBlock.SpaceId) {
164 case ACPI_ADR_SPACE_SYSTEM_MEMORY:
165 rtype = SYS_RES_MEMORY;
166 break;
167 case ACPI_ADR_SPACE_SYSTEM_IO:
168 rtype = SYS_RES_IOPORT;
169 break;
170 default:
171 return (ENXIO);
172 }
155 rid = 0;
173 rid = 0;
156 rtype = AcpiGbl_FADT.XPmTimerBlock.SpaceId ?
157 SYS_RES_IOPORT : SYS_RES_MEMORY;
158 acpi_timer_reg = bus_alloc_resource_any(dev, rtype, &rid, RF_ACTIVE);
159 if (acpi_timer_reg == NULL) {
160 device_printf(dev, "couldn't allocate resource (%s 0x%lx)\n",
161 (rtype == SYS_RES_IOPORT) ? "port" : "mem",
162 (u_long)AcpiGbl_FADT.XPmTimerBlock.Address);
163 return (ENXIO);
164 }
165 acpi_timer_bsh = rman_get_bushandle(acpi_timer_reg);

--- 24 unchanged lines hidden (view full) ---

190 acpi_timer_timecounter.tc_quality = 1000;
191 } else {
192 acpi_timer_timecounter.tc_name = "ACPI-safe";
193 acpi_timer_timecounter.tc_get_timecount = acpi_timer_get_timecount_safe;
194 acpi_timer_timecounter.tc_quality = 850;
195 }
196 tc_init(&acpi_timer_timecounter);
197
174 acpi_timer_reg = bus_alloc_resource_any(dev, rtype, &rid, RF_ACTIVE);
175 if (acpi_timer_reg == NULL) {
176 device_printf(dev, "couldn't allocate resource (%s 0x%lx)\n",
177 (rtype == SYS_RES_IOPORT) ? "port" : "mem",
178 (u_long)AcpiGbl_FADT.XPmTimerBlock.Address);
179 return (ENXIO);
180 }
181 acpi_timer_bsh = rman_get_bushandle(acpi_timer_reg);

--- 24 unchanged lines hidden (view full) ---

206 acpi_timer_timecounter.tc_quality = 1000;
207 } else {
208 acpi_timer_timecounter.tc_name = "ACPI-safe";
209 acpi_timer_timecounter.tc_get_timecount = acpi_timer_get_timecount_safe;
210 acpi_timer_timecounter.tc_quality = 850;
211 }
212 tc_init(&acpi_timer_timecounter);
213
198 sprintf(desc, "%d-bit timer at 3.579545MHz",
199 (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER) ? 32 : 24);
214 sprintf(desc, "%d-bit timer at %u.%06uMHz",
215 (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER) != 0 ? 32 : 24,
216 acpi_timer_frequency / 1000000, acpi_timer_frequency % 1000000);
200 device_set_desc_copy(dev, desc);
201
202 /* Release the resource, we'll allocate it again during attach. */
203 bus_release_resource(dev, rtype, rid, acpi_timer_reg);
204 return (0);
205}
206
207static int
208acpi_timer_attach(device_t dev)
209{
210 int rid, rtype;
211
212 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
213
217 device_set_desc_copy(dev, desc);
218
219 /* Release the resource, we'll allocate it again during attach. */
220 bus_release_resource(dev, rtype, rid, acpi_timer_reg);
221 return (0);
222}
223
224static int
225acpi_timer_attach(device_t dev)
226{
227 int rid, rtype;
228
229 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
230
231 switch (AcpiGbl_FADT.XPmTimerBlock.SpaceId) {
232 case ACPI_ADR_SPACE_SYSTEM_MEMORY:
233 rtype = SYS_RES_MEMORY;
234 break;
235 case ACPI_ADR_SPACE_SYSTEM_IO:
236 rtype = SYS_RES_IOPORT;
237 break;
238 default:
239 return (ENXIO);
240 }
214 rid = 0;
241 rid = 0;
215 rtype = AcpiGbl_FADT.XPmTimerBlock.SpaceId ?
216 SYS_RES_IOPORT : SYS_RES_MEMORY;
217 acpi_timer_reg = bus_alloc_resource_any(dev, rtype, &rid, RF_ACTIVE);
218 if (acpi_timer_reg == NULL)
219 return (ENXIO);
220 acpi_timer_bsh = rman_get_bushandle(acpi_timer_reg);
221 acpi_timer_bst = rman_get_bustag(acpi_timer_reg);
222 return (0);
223}
224

--- 152 unchanged lines hidden --- 		242 acpi_timer_reg = bus_alloc_resource_any(dev, rtype, &rid, RF_ACTIVE);
243 if (acpi_timer_reg == NULL)
244 return (ENXIO);
245 acpi_timer_bsh = rman_get_bushandle(acpi_timer_reg);
246 acpi_timer_bst = rman_get_bustag(acpi_timer_reg);
247 return (0);
248}
249

--- 152 unchanged lines hidden ---