diff options
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7770.c | 16 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx.h | 11 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_core.c | 7 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_osm_pci.c | 50 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_pci.c | 27 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx.h | 11 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm_pci.c | 46 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_pci.c | 16 |
8 files changed, 137 insertions, 47 deletions
diff --git a/drivers/scsi/aic7xxx/aic7770.c b/drivers/scsi/aic7xxx/aic7770.c index c4d17231c828..6d86a9be538f 100644 --- a/drivers/scsi/aic7xxx/aic7770.c +++ b/drivers/scsi/aic7xxx/aic7770.c @@ -60,8 +60,6 @@ #define ID_OLV_274xD 0x04907783 /* Olivetti OEM (Differential) */ static int aic7770_chip_init(struct ahc_softc *ahc); -static int aic7770_suspend(struct ahc_softc *ahc); -static int aic7770_resume(struct ahc_softc *ahc); static int aha2840_load_seeprom(struct ahc_softc *ahc); static ahc_device_setup_t ahc_aic7770_VL_setup; static ahc_device_setup_t ahc_aic7770_EISA_setup; @@ -155,8 +153,6 @@ aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io) return (error); ahc->bus_chip_init = aic7770_chip_init; - ahc->bus_suspend = aic7770_suspend; - ahc->bus_resume = aic7770_resume; error = ahc_reset(ahc, /*reinit*/FALSE); if (error != 0) @@ -272,18 +268,6 @@ aic7770_chip_init(struct ahc_softc *ahc) return (ahc_chip_init(ahc)); } -static int -aic7770_suspend(struct ahc_softc *ahc) -{ - return (ahc_suspend(ahc)); -} - -static int -aic7770_resume(struct ahc_softc *ahc) -{ - return (ahc_resume(ahc)); -} - /* * Read the 284x SEEPROM. */ diff --git a/drivers/scsi/aic7xxx/aic79xx.h b/drivers/scsi/aic7xxx/aic79xx.h index 27adbb294ac1..ce638aa6005a 100644 --- a/drivers/scsi/aic7xxx/aic79xx.h +++ b/drivers/scsi/aic7xxx/aic79xx.h @@ -1003,8 +1003,15 @@ struct ahd_suspend_channel_state { uint8_t seqctl; }; +struct ahd_suspend_pci_state { + uint32_t devconfig; + uint8_t command; + uint8_t csize_lattime; +}; + struct ahd_suspend_state { struct ahd_suspend_channel_state channel[2]; + struct ahd_suspend_pci_state pci_state; uint8_t optionmode; uint8_t dscommand0; uint8_t dspcistatus; @@ -1333,6 +1340,8 @@ struct ahd_pci_identity *ahd_find_pci_device(ahd_dev_softc_t); int ahd_pci_config(struct ahd_softc *, struct ahd_pci_identity *); int ahd_pci_test_register_access(struct ahd_softc *); +void ahd_pci_suspend(struct ahd_softc *); +void ahd_pci_resume(struct ahd_softc *); /************************** SCB and SCB queue management **********************/ void ahd_qinfifo_requeue_tail(struct ahd_softc *ahd, @@ -1343,6 +1352,8 @@ struct ahd_softc *ahd_alloc(void *platform_arg, char *name); int ahd_softc_init(struct ahd_softc *); void ahd_controller_info(struct ahd_softc *ahd, char *buf); int ahd_init(struct ahd_softc *ahd); +int ahd_suspend(struct ahd_softc *ahd); +void ahd_resume(struct ahd_softc *ahd); int ahd_default_config(struct ahd_softc *ahd); int ahd_parse_vpddata(struct ahd_softc *ahd, struct vpd_config *vpd); diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c index 05f692bd0adc..a7dd8cdda472 100644 --- a/drivers/scsi/aic7xxx/aic79xx_core.c +++ b/drivers/scsi/aic7xxx/aic79xx_core.c @@ -7175,7 +7175,6 @@ ahd_pause_and_flushwork(struct ahd_softc *ahd) ahd->flags &= ~AHD_ALL_INTERRUPTS; } -#if 0 int ahd_suspend(struct ahd_softc *ahd) { @@ -7189,19 +7188,15 @@ ahd_suspend(struct ahd_softc *ahd) ahd_shutdown(ahd); return (0); } -#endif /* 0 */ -#if 0 -int +void ahd_resume(struct ahd_softc *ahd) { ahd_reset(ahd, /*reinit*/TRUE); ahd_intr_enable(ahd, TRUE); ahd_restart(ahd); - return (0); } -#endif /* 0 */ /************************** Busy Target Table *********************************/ /* diff --git a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c index c62ce41f2793..66f0259edb69 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c @@ -50,6 +50,8 @@ static int ahd_linux_pci_reserve_io_regions(struct ahd_softc *ahd, static int ahd_linux_pci_reserve_mem_region(struct ahd_softc *ahd, u_long *bus_addr, uint8_t __iomem **maddr); +static int ahd_linux_pci_dev_suspend(struct pci_dev *pdev, pm_message_t mesg); +static int ahd_linux_pci_dev_resume(struct pci_dev *pdev); static void ahd_linux_pci_dev_remove(struct pci_dev *pdev); /* Define the macro locally since it's different for different class of chips. @@ -86,10 +88,58 @@ MODULE_DEVICE_TABLE(pci, ahd_linux_pci_id_table); static struct pci_driver aic79xx_pci_driver = { .name = "aic79xx", .probe = ahd_linux_pci_dev_probe, +#ifdef CONFIG_PM + .suspend = ahd_linux_pci_dev_suspend, + .resume = ahd_linux_pci_dev_resume, +#endif .remove = ahd_linux_pci_dev_remove, .id_table = ahd_linux_pci_id_table }; +static int +ahd_linux_pci_dev_suspend(struct pci_dev *pdev, pm_message_t mesg) +{ + struct ahd_softc *ahd = pci_get_drvdata(pdev); + int rc; + + if ((rc = ahd_suspend(ahd))) + return rc; + + ahd_pci_suspend(ahd); + + pci_save_state(pdev); + pci_disable_device(pdev); + + if (mesg.event == PM_EVENT_SUSPEND) + pci_set_power_state(pdev, PCI_D3hot); + + return rc; +} + +static int +ahd_linux_pci_dev_resume(struct pci_dev *pdev) +{ + struct ahd_softc *ahd = pci_get_drvdata(pdev); + int rc; + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + + if ((rc = pci_enable_device(pdev))) { + dev_printk(KERN_ERR, &pdev->dev, + "failed to enable device after resume (%d)\n", rc); + return rc; + } + + pci_set_master(pdev); + + ahd_pci_resume(ahd); + + ahd_resume(ahd); + + return rc; +} + static void ahd_linux_pci_dev_remove(struct pci_dev *pdev) { diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c index 0bada0028aa0..7a203a90601a 100644 --- a/drivers/scsi/aic7xxx/aic79xx_pci.c +++ b/drivers/scsi/aic7xxx/aic79xx_pci.c @@ -389,6 +389,33 @@ ahd_pci_config(struct ahd_softc *ahd, struct ahd_pci_identity *entry) return error; } +void +ahd_pci_suspend(struct ahd_softc *ahd) +{ + /* + * Save chip register configuration data for chip resets + * that occur during runtime and resume events. + */ + ahd->suspend_state.pci_state.devconfig = + ahd_pci_read_config(ahd->dev_softc, DEVCONFIG, /*bytes*/4); + ahd->suspend_state.pci_state.command = + ahd_pci_read_config(ahd->dev_softc, PCIR_COMMAND, /*bytes*/1); + ahd->suspend_state.pci_state.csize_lattime = + ahd_pci_read_config(ahd->dev_softc, CSIZE_LATTIME, /*bytes*/1); + +} + +void +ahd_pci_resume(struct ahd_softc *ahd) +{ + ahd_pci_write_config(ahd->dev_softc, DEVCONFIG, + ahd->suspend_state.pci_state.devconfig, /*bytes*/4); + ahd_pci_write_config(ahd->dev_softc, PCIR_COMMAND, + ahd->suspend_state.pci_state.command, /*bytes*/1); + ahd_pci_write_config(ahd->dev_softc, CSIZE_LATTIME, + ahd->suspend_state.pci_state.csize_lattime, /*bytes*/1); +} + /* * Perform some simple tests that should catch situations where * our registers are invalidly mapped. diff --git a/drivers/scsi/aic7xxx/aic7xxx.h b/drivers/scsi/aic7xxx/aic7xxx.h index e1bd57b9f23d..3d4e42d90452 100644 --- a/drivers/scsi/aic7xxx/aic7xxx.h +++ b/drivers/scsi/aic7xxx/aic7xxx.h @@ -962,16 +962,6 @@ struct ahc_softc { ahc_bus_chip_init_t bus_chip_init; /* - * Bus specific suspend routine. - */ - ahc_bus_suspend_t bus_suspend; - - /* - * Bus specific resume routine. - */ - ahc_bus_resume_t bus_resume; - - /* * Target mode related state kept on a per enabled lun basis. * Targets that are not enabled will have null entries. * As an initiator, we keep one target entry for our initiator @@ -1153,6 +1143,7 @@ struct ahc_pci_identity *ahc_find_pci_device(ahc_dev_softc_t); int ahc_pci_config(struct ahc_softc *, struct ahc_pci_identity *); int ahc_pci_test_register_access(struct ahc_softc *); +void ahc_pci_resume(struct ahc_softc *ahc); /*************************** EISA/VL Front End ********************************/ struct aic7770_identity *aic7770_find_device(uint32_t); diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c index ea5687df732d..4488946cff2e 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c @@ -49,6 +49,8 @@ static int ahc_linux_pci_reserve_io_region(struct ahc_softc *ahc, static int ahc_linux_pci_reserve_mem_region(struct ahc_softc *ahc, u_long *bus_addr, uint8_t __iomem **maddr); +static int ahc_linux_pci_dev_suspend(struct pci_dev *pdev, pm_message_t mesg); +static int ahc_linux_pci_dev_resume(struct pci_dev *pdev); static void ahc_linux_pci_dev_remove(struct pci_dev *pdev); /* Define the macro locally since it's different for different class of chips. @@ -133,10 +135,54 @@ MODULE_DEVICE_TABLE(pci, ahc_linux_pci_id_table); static struct pci_driver aic7xxx_pci_driver = { .name = "aic7xxx", .probe = ahc_linux_pci_dev_probe, +#ifdef CONFIG_PM + .suspend = ahc_linux_pci_dev_suspend, + .resume = ahc_linux_pci_dev_resume, +#endif .remove = ahc_linux_pci_dev_remove, .id_table = ahc_linux_pci_id_table }; +static int +ahc_linux_pci_dev_suspend(struct pci_dev *pdev, pm_message_t mesg) +{ + struct ahc_softc *ahc = pci_get_drvdata(pdev); + int rc; + + if ((rc = ahc_suspend(ahc))) + return rc; + + pci_save_state(pdev); + pci_disable_device(pdev); + + if (mesg.event == PM_EVENT_SUSPEND) + pci_set_power_state(pdev, PCI_D3hot); + + return rc; +} + +static int +ahc_linux_pci_dev_resume(struct pci_dev *pdev) +{ + struct ahc_softc *ahc = pci_get_drvdata(pdev); + int rc; + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + + if ((rc = pci_enable_device(pdev))) { + dev_printk(KERN_ERR, &pdev->dev, + "failed to enable device after resume (%d)\n", rc); + return rc; + } + + pci_set_master(pdev); + + ahc_pci_resume(ahc); + + return (ahc_resume(ahc)); +} + static void ahc_linux_pci_dev_remove(struct pci_dev *pdev) { diff --git a/drivers/scsi/aic7xxx/aic7xxx_pci.c b/drivers/scsi/aic7xxx/aic7xxx_pci.c index 09c8172c9e5e..ae35937b8055 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_pci.c +++ b/drivers/scsi/aic7xxx/aic7xxx_pci.c @@ -633,8 +633,6 @@ static void write_brdctl(struct ahc_softc *ahc, uint8_t value); static uint8_t read_brdctl(struct ahc_softc *ahc); static void ahc_pci_intr(struct ahc_softc *ahc); static int ahc_pci_chip_init(struct ahc_softc *ahc); -static int ahc_pci_suspend(struct ahc_softc *ahc); -static int ahc_pci_resume(struct ahc_softc *ahc); static int ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor, @@ -791,8 +789,6 @@ ahc_pci_config(struct ahc_softc *ahc, struct ahc_pci_identity *entry) ahc->bus_intr = ahc_pci_intr; ahc->bus_chip_init = ahc_pci_chip_init; - ahc->bus_suspend = ahc_pci_suspend; - ahc->bus_resume = ahc_pci_resume; /* Remeber how the card was setup in case there is no SEEPROM */ if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) { @@ -2024,18 +2020,9 @@ ahc_pci_chip_init(struct ahc_softc *ahc) return (ahc_chip_init(ahc)); } -static int -ahc_pci_suspend(struct ahc_softc *ahc) -{ - return (ahc_suspend(ahc)); -} - -static int +void ahc_pci_resume(struct ahc_softc *ahc) { - - pci_set_power_state(ahc->dev_softc, AHC_POWER_STATE_D0); - /* * We assume that the OS has restored our register * mappings, etc. Just update the config space registers @@ -2063,7 +2050,6 @@ ahc_pci_resume(struct ahc_softc *ahc) &sxfrctl1); ahc_release_seeprom(&sd); } - return (ahc_resume(ahc)); } static int |