| intpm.c (179622) | intpm.c (189882) |
|---|---|
| 1/*- 2 * Copyright (c) 1998, 1999 Takanori Watanabe 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1998, 1999 Takanori Watanabe 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/pci/intpm.c 179622 2008-06-06 18:29:56Z jhb $"); | 28__FBSDID("$FreeBSD: head/sys/pci/intpm.c 189882 2009-03-16 16:15:14Z avg $"); |
| 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/kernel.h> 34#include <sys/lock.h> 35#include <sys/module.h> 36#include <sys/mutex.h> --- 125 unchanged lines hidden (view full) --- 162 163 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_MISC | INTR_MPSAFE, 164 NULL, intsmb_rawintr, sc, &sc->irq_hand); 165 if (error) { 166 device_printf(dev, "Failed to map intr\n"); 167 goto fail; 168 } 169 | 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/kernel.h> 34#include <sys/lock.h> 35#include <sys/module.h> 36#include <sys/mutex.h> --- 125 unchanged lines hidden (view full) --- 162 163 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_MISC | INTR_MPSAFE, 164 NULL, intsmb_rawintr, sc, &sc->irq_hand); 165 if (error) { 166 device_printf(dev, "Failed to map intr\n"); 167 goto fail; 168 } 169 |
| 170 value = pci_read_config(dev, PCI_BASE_ADDR_PM, 4); 171 device_printf(dev, "PM %s %x\n", (value & 1) ? "I/O mapped" : "Memory", 172 value & 0xfffe); 173 | |
| 174 sc->isbusy = 0; 175 sc->smbus = device_add_child(dev, "smbus", -1); 176 if (sc->smbus == NULL) { 177 error = ENXIO; 178 goto fail; 179 } 180 error = device_probe_and_attach(sc->smbus); 181 if (error) --- 178 unchanged lines hidden (view full) --- 360 361 INTSMB_LOCK_ASSERT(sc); 362 tmp = bus_read_1(sc->io_res, PIIX4_SMBHSTCNT); 363 tmp &= 0xe0; 364 tmp |= cmd; 365 tmp |= PIIX4_SMBHSTCNT_START; 366 367 /* While not in autoconfiguration enable interrupts. */ | 170 sc->isbusy = 0; 171 sc->smbus = device_add_child(dev, "smbus", -1); 172 if (sc->smbus == NULL) { 173 error = ENXIO; 174 goto fail; 175 } 176 error = device_probe_and_attach(sc->smbus); 177 if (error) --- 178 unchanged lines hidden (view full) --- 356 357 INTSMB_LOCK_ASSERT(sc); 358 tmp = bus_read_1(sc->io_res, PIIX4_SMBHSTCNT); 359 tmp &= 0xe0; 360 tmp |= cmd; 361 tmp |= PIIX4_SMBHSTCNT_START; 362 363 /* While not in autoconfiguration enable interrupts. */ |
| 368 if (!cold || !nointr) | 364 if (!cold && !nointr) |
| 369 tmp |= PIIX4_SMBHSTCNT_INTREN; 370 bus_write_1(sc->io_res, PIIX4_SMBHSTCNT, tmp); 371} 372 373static int | 365 tmp |= PIIX4_SMBHSTCNT_INTREN; 366 bus_write_1(sc->io_res, PIIX4_SMBHSTCNT, tmp); 367} 368 369static int |
| 374intsmb_error(int status) | 370intsmb_error(device_t dev, int status) |
| 375{ 376 int error = 0; 377 378 if (status & PIIX4_SMBHSTSTAT_ERR) 379 error |= SMB_EBUSERR; 380 if (status & PIIX4_SMBHSTSTAT_BUSC) 381 error |= SMB_ECOLLI; 382 if (status & PIIX4_SMBHSTSTAT_FAIL) 383 error |= SMB_ENOACK; | 371{ 372 int error = 0; 373 374 if (status & PIIX4_SMBHSTSTAT_ERR) 375 error |= SMB_EBUSERR; 376 if (status & PIIX4_SMBHSTSTAT_BUSC) 377 error |= SMB_ECOLLI; 378 if (status & PIIX4_SMBHSTSTAT_FAIL) 379 error |= SMB_ENOACK; |
| 380 381 if (error != 0 && bootverbose) 382 device_printf(dev, "error = %d, status = %#x\n", error, status); 383 |
|
| 384 return (error); 385} 386 387/* 388 * Polling Code. 389 * 390 * Polling is not encouraged because it requires waiting for the 391 * device if it is busy. --- 13 unchanged lines hidden (view full) --- 405 PIIX4_SMBHSTSTAT_BUSY) 406 break; 407 408 /* Wait for busy to clear. */ 409 for (i = 0; i < 0x7fff; i++) { 410 status = bus_read_1(sc->io_res, PIIX4_SMBHSTSTS); 411 if (!(status & PIIX4_SMBHSTSTAT_BUSY)) { 412 sc->isbusy = 0; | 384 return (error); 385} 386 387/* 388 * Polling Code. 389 * 390 * Polling is not encouraged because it requires waiting for the 391 * device if it is busy. --- 13 unchanged lines hidden (view full) --- 405 PIIX4_SMBHSTSTAT_BUSY) 406 break; 407 408 /* Wait for busy to clear. */ 409 for (i = 0; i < 0x7fff; i++) { 410 status = bus_read_1(sc->io_res, PIIX4_SMBHSTSTS); 411 if (!(status & PIIX4_SMBHSTSTAT_BUSY)) { 412 sc->isbusy = 0; |
| 413 error = intsmb_error(status); | 413 error = intsmb_error(sc->dev, status); |
| 414 if (error == 0 && !(status & PIIX4_SMBHSTSTAT_INTR)) 415 device_printf(sc->dev, "unknown cause why?\n"); 416 return (error); 417 } 418 } 419 420 /* Timed out waiting for busy to clear. */ 421 sc->isbusy = 0; --- 15 unchanged lines hidden (view full) --- 437 if (cold) 438 /* So that it can use device during device probe on SMBus. */ 439 return (intsmb_stop_poll(sc)); 440 441 error = msleep(sc, &sc->lock, PWAIT | PCATCH, "SMBWAI", hz / 8); 442 if (error == 0) { 443 status = bus_read_1(sc->io_res, PIIX4_SMBHSTSTS); 444 if (!(status & PIIX4_SMBHSTSTAT_BUSY)) { | 414 if (error == 0 && !(status & PIIX4_SMBHSTSTAT_INTR)) 415 device_printf(sc->dev, "unknown cause why?\n"); 416 return (error); 417 } 418 } 419 420 /* Timed out waiting for busy to clear. */ 421 sc->isbusy = 0; --- 15 unchanged lines hidden (view full) --- 437 if (cold) 438 /* So that it can use device during device probe on SMBus. */ 439 return (intsmb_stop_poll(sc)); 440 441 error = msleep(sc, &sc->lock, PWAIT | PCATCH, "SMBWAI", hz / 8); 442 if (error == 0) { 443 status = bus_read_1(sc->io_res, PIIX4_SMBHSTSTS); 444 if (!(status & PIIX4_SMBHSTSTAT_BUSY)) { |
| 445 error = intsmb_error(status); | 445 error = intsmb_error(sc->dev, status); |
| 446 if (error == 0 && !(status & PIIX4_SMBHSTSTAT_INTR)) 447 device_printf(sc->dev, "unknown cause why?\n"); 448#ifdef ENABLE_ALART 449 bus_write_1(sc->io_res, PIIX4_SMBSLVCNT, 450 PIIX4_SMBSLVCNT_ALTEN); 451#endif 452 return (error); 453 } --- 329 unchanged lines hidden --- | 446 if (error == 0 && !(status & PIIX4_SMBHSTSTAT_INTR)) 447 device_printf(sc->dev, "unknown cause why?\n"); 448#ifdef ENABLE_ALART 449 bus_write_1(sc->io_res, PIIX4_SMBSLVCNT, 450 PIIX4_SMBSLVCNT_ALTEN); 451#endif 452 return (error); 453 } --- 329 unchanged lines hidden --- |