| ahd_pci.c (123019) | ahd_pci.c (123579) |
|---|---|
| 1/* 2 * FreeBSD, PCI product support functions 3 * 4 * Copyright (c) 1995-2001 Justin T. Gibbs 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 14 unchanged lines hidden (view full) --- 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * | 1/* 2 * FreeBSD, PCI product support functions 3 * 4 * Copyright (c) 1995-2001 Justin T. Gibbs 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 14 unchanged lines hidden (view full) --- 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * |
| 31 * $Id: ahd_pci.c,v 1.13 2003/11/03 09:22:17 dfr Exp $ | 31 * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/ahd_pci.c#17 $ |
| 32 */ 33 34#include <sys/cdefs.h> | 32 */ 33 34#include <sys/cdefs.h> |
| 35__FBSDID("$FreeBSD: head/sys/dev/aic7xxx/ahd_pci.c 123019 2003-11-28 05:28:29Z imp $"); | 35__FBSDID("$FreeBSD: head/sys/dev/aic7xxx/ahd_pci.c 123579 2003-12-17 00:02:10Z gibbs $"); |
| 36 37#include <dev/aic7xxx/aic79xx_osm.h> 38 | 36 37#include <dev/aic7xxx/aic79xx_osm.h> 38 |
| 39#define AHD_PCI_IOADDR0 PCIR_BAR(0) /* Primary I/O BAR */ 40#define AHD_PCI_MEMADDR PCIR_BAR(1) /* Mem I/O Address */ 41#define AHD_PCI_IOADDR1 PCIR_BAR(3) /* Secondary I/O BAR */ 42 | |
| 43static int ahd_pci_probe(device_t dev); 44static int ahd_pci_attach(device_t dev); 45 46static device_method_t ahd_pci_device_methods[] = { 47 /* Device interface */ 48 DEVMETHOD(device_probe, ahd_pci_probe), 49 DEVMETHOD(device_attach, ahd_pci_attach), 50 DEVMETHOD(device_detach, ahd_detach), --- 57 unchanged lines hidden (view full) --- 108 * Should we bother disabling 39Bit addressing 109 * based on installed memory? 110 */ 111 if (sizeof(bus_addr_t) > 4) 112 ahd->flags |= AHD_39BIT_ADDRESSING; 113 114 /* Allocate a dmatag for our SCB DMA maps */ 115 /* XXX Should be a child of the PCI bus dma tag */ | 39static int ahd_pci_probe(device_t dev); 40static int ahd_pci_attach(device_t dev); 41 42static device_method_t ahd_pci_device_methods[] = { 43 /* Device interface */ 44 DEVMETHOD(device_probe, ahd_pci_probe), 45 DEVMETHOD(device_attach, ahd_pci_attach), 46 DEVMETHOD(device_detach, ahd_detach), --- 57 unchanged lines hidden (view full) --- 104 * Should we bother disabling 39Bit addressing 105 * based on installed memory? 106 */ 107 if (sizeof(bus_addr_t) > 4) 108 ahd->flags |= AHD_39BIT_ADDRESSING; 109 110 /* Allocate a dmatag for our SCB DMA maps */ 111 /* XXX Should be a child of the PCI bus dma tag */ |
| 116 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, | 112 error = aic_dma_tag_create(ahd, /*parent*/NULL, /*alignment*/1, |
| 117 /*boundary*/0, 118 (ahd->flags & AHD_39BIT_ADDRESSING) | 113 /*boundary*/0, 114 (ahd->flags & AHD_39BIT_ADDRESSING) |
| 119 ? 0x7FFFFFFFFFLL | 115 ? 0x7FFFFFFFFF |
| 120 : BUS_SPACE_MAXADDR_32BIT, 121 /*highaddr*/BUS_SPACE_MAXADDR, 122 /*filter*/NULL, /*filterarg*/NULL, 123 /*maxsize*/BUS_SPACE_MAXSIZE_32BIT, 124 /*nsegments*/AHD_NSEG, 125 /*maxsegsz*/AHD_MAXTRANSFER_SIZE, 126 /*flags*/0, | 116 : BUS_SPACE_MAXADDR_32BIT, 117 /*highaddr*/BUS_SPACE_MAXADDR, 118 /*filter*/NULL, /*filterarg*/NULL, 119 /*maxsize*/BUS_SPACE_MAXSIZE_32BIT, 120 /*nsegments*/AHD_NSEG, 121 /*maxsegsz*/AHD_MAXTRANSFER_SIZE, 122 /*flags*/0, |
| 127 /*lockfunc*/busdma_lock_mutex, 128 /*lockarg*/&Giant, | |
| 129 &ahd->parent_dmat); 130 131 if (error != 0) { 132 printf("ahd_pci_attach: Could not allocate DMA tag " 133 "- error %d\n", error); 134 ahd_free(ahd); 135 return (ENOMEM); 136 } --- 14 unchanged lines hidden (view full) --- 151 struct resource *regs; 152 struct resource *regs2; 153 u_int command; 154 int regs_type; 155 int regs_id; 156 int regs_id2; 157 int allow_memio; 158 | 123 &ahd->parent_dmat); 124 125 if (error != 0) { 126 printf("ahd_pci_attach: Could not allocate DMA tag " 127 "- error %d\n", error); 128 ahd_free(ahd); 129 return (ENOMEM); 130 } --- 14 unchanged lines hidden (view full) --- 145 struct resource *regs; 146 struct resource *regs2; 147 u_int command; 148 int regs_type; 149 int regs_id; 150 int regs_id2; 151 int allow_memio; 152 |
| 159 command = ahd_pci_read_config(ahd->dev_softc, PCIR_COMMAND, /*bytes*/1); | 153 command = aic_pci_read_config(ahd->dev_softc, PCIR_COMMAND, /*bytes*/1); |
| 160 regs = NULL; 161 regs2 = NULL; 162 regs_type = 0; 163 regs_id = 0; 164 165 /* Retrieve the per-device 'allow_memio' hint */ 166 if (resource_int_value(device_get_name(ahd->dev_softc), 167 device_get_unit(ahd->dev_softc), --- 25 unchanged lines hidden (view full) --- 193 * Do a quick test to see if memory mapped 194 * I/O is functioning correctly. 195 */ 196 if (error != 0 197 || ahd_pci_test_register_access(ahd) != 0) { 198 device_printf(ahd->dev_softc, 199 "PCI Device %d:%d:%d failed memory " 200 "mapped test. Using PIO.\n", | 154 regs = NULL; 155 regs2 = NULL; 156 regs_type = 0; 157 regs_id = 0; 158 159 /* Retrieve the per-device 'allow_memio' hint */ 160 if (resource_int_value(device_get_name(ahd->dev_softc), 161 device_get_unit(ahd->dev_softc), --- 25 unchanged lines hidden (view full) --- 187 * Do a quick test to see if memory mapped 188 * I/O is functioning correctly. 189 */ 190 if (error != 0 191 || ahd_pci_test_register_access(ahd) != 0) { 192 device_printf(ahd->dev_softc, 193 "PCI Device %d:%d:%d failed memory " 194 "mapped test. Using PIO.\n", |
| 201 ahd_get_pci_bus(ahd->dev_softc), 202 ahd_get_pci_slot(ahd->dev_softc), 203 ahd_get_pci_function(ahd->dev_softc)); | 195 aic_get_pci_bus(ahd->dev_softc), 196 aic_get_pci_slot(ahd->dev_softc), 197 aic_get_pci_function(ahd->dev_softc)); |
| 204 bus_release_resource(ahd->dev_softc, regs_type, 205 regs_id, regs); 206 regs = NULL; 207 } else { 208 command &= ~PCIM_CMD_PORTEN; | 198 bus_release_resource(ahd->dev_softc, regs_type, 199 regs_id, regs); 200 regs = NULL; 201 } else { 202 command &= ~PCIM_CMD_PORTEN; |
| 209 ahd_pci_write_config(ahd->dev_softc, | 203 aic_pci_write_config(ahd->dev_softc, |
| 210 PCIR_COMMAND, 211 command, /*bytes*/1); 212 } 213 } 214 } 215 if (regs == NULL && (command & PCIM_CMD_PORTEN) != 0) { 216 regs_type = SYS_RES_IOPORT; 217 regs_id = AHD_PCI_IOADDR0; --- 14 unchanged lines hidden (view full) --- 232 if (regs2 == NULL) { 233 device_printf(ahd->dev_softc, 234 "can't allocate register resources\n"); 235 return (ENOMEM); 236 } 237 ahd->tags[1] = rman_get_bustag(regs2); 238 ahd->bshs[1] = rman_get_bushandle(regs2); 239 command &= ~PCIM_CMD_MEMEN; | 204 PCIR_COMMAND, 205 command, /*bytes*/1); 206 } 207 } 208 } 209 if (regs == NULL && (command & PCIM_CMD_PORTEN) != 0) { 210 regs_type = SYS_RES_IOPORT; 211 regs_id = AHD_PCI_IOADDR0; --- 14 unchanged lines hidden (view full) --- 226 if (regs2 == NULL) { 227 device_printf(ahd->dev_softc, 228 "can't allocate register resources\n"); 229 return (ENOMEM); 230 } 231 ahd->tags[1] = rman_get_bustag(regs2); 232 ahd->bshs[1] = rman_get_bushandle(regs2); 233 command &= ~PCIM_CMD_MEMEN; |
| 240 ahd_pci_write_config(ahd->dev_softc, PCIR_COMMAND, | 234 aic_pci_write_config(ahd->dev_softc, PCIR_COMMAND, |
| 241 command, /*bytes*/1); 242 ahd->platform_data->regs_res_type[1] = regs_type; 243 ahd->platform_data->regs_res_id[1] = regs_id2; 244 ahd->platform_data->regs[1] = regs2; 245 } 246 ahd->platform_data->regs_res_type[0] = regs_type; 247 ahd->platform_data->regs_res_id[0] = regs_id; 248 ahd->platform_data->regs[0] = regs; --- 9 unchanged lines hidden (view full) --- 258 ahd->platform_data->irq = 259 bus_alloc_resource(ahd->dev_softc, SYS_RES_IRQ, &zero, 260 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); 261 if (ahd->platform_data->irq == NULL) 262 return (ENOMEM); 263 ahd->platform_data->irq_res_type = SYS_RES_IRQ; 264 return (ahd_map_int(ahd)); 265} | 235 command, /*bytes*/1); 236 ahd->platform_data->regs_res_type[1] = regs_type; 237 ahd->platform_data->regs_res_id[1] = regs_id2; 238 ahd->platform_data->regs[1] = regs2; 239 } 240 ahd->platform_data->regs_res_type[0] = regs_type; 241 ahd->platform_data->regs_res_id[0] = regs_id; 242 ahd->platform_data->regs[0] = regs; --- 9 unchanged lines hidden (view full) --- 252 ahd->platform_data->irq = 253 bus_alloc_resource(ahd->dev_softc, SYS_RES_IRQ, &zero, 254 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); 255 if (ahd->platform_data->irq == NULL) 256 return (ENOMEM); 257 ahd->platform_data->irq_res_type = SYS_RES_IRQ; 258 return (ahd_map_int(ahd)); 259} |
| 266 267void 268ahd_power_state_change(struct ahd_softc *ahd, ahd_power_state new_state) 269{ 270 uint32_t cap; 271 u_int cap_offset; 272 273 /* 274 * Traverse the capability list looking for 275 * the power management capability. 276 */ 277 cap = 0; 278 cap_offset = ahd_pci_read_config(ahd->dev_softc, 279 PCIR_CAP_PTR, /*bytes*/1); 280 while (cap_offset != 0) { 281 282 cap = ahd_pci_read_config(ahd->dev_softc, 283 cap_offset, /*bytes*/4); 284 if ((cap & 0xFF) == 1 285 && ((cap >> 16) & 0x3) > 0) { 286 uint32_t pm_control; 287 288 pm_control = ahd_pci_read_config(ahd->dev_softc, 289 cap_offset + 4, 290 /*bytes*/2); 291 pm_control &= ~0x3; 292 pm_control |= new_state; 293 ahd_pci_write_config(ahd->dev_softc, 294 cap_offset + 4, 295 pm_control, /*bytes*/2); 296 break; 297 } 298 cap_offset = (cap >> 8) & 0xFF; 299 } 300} | |