| 333,6 → 333,64 |
|---|
| dprintk("suspend modulation w/ clock speed: %d kHz.\n", freqs.new); |
| } |
| |
| |
| void gx_force_values(unsigned char on_duration, unsigned char off_duration) { |
| |
| u8 suscfg, pmer1; |
| unsigned long flags; |
| |
| if (off_duration == 0) { /* 100% of CPU speed, it is special case */ |
| local_irq_save(flags); |
| pci_write_config_byte(gx_params->cs55x0, PCI_SUSCFG, (gx_params->pci_suscfg & ~(SUSMOD))); |
| pci_read_config_byte(gx_params->cs55x0, PCI_SUSCFG, &(gx_params->pci_suscfg)); |
| local_irq_restore(flags); |
| dprintk("suspend modulation disabled: cpu runs 100 percent speed.\n"); |
| return; |
| } |
| |
| local_irq_save(flags); |
| switch (gx_params->cs55x0->device) { |
| case PCI_DEVICE_ID_CYRIX_5530_LEGACY: |
| pmer1 = gx_params->pci_pmer1 | IRQ_SPDUP | VID_SPDUP; |
| /* FIXME: need to test other values -- Zwane,Miura */ |
| pci_write_config_byte(gx_params->cs55x0, PCI_IRQTC, 4); /* typical 2 to 4ms */ |
| pci_write_config_byte(gx_params->cs55x0, PCI_VIDTC, 100);/* typical 50 to 100ms */ |
| pci_write_config_byte(gx_params->cs55x0, PCI_PMER1, pmer1); |
| |
| if (gx_params->pci_rev < 0x10) { /* CS5530(rev 1.2, 1.3) */ |
| suscfg = gx_params->pci_suscfg | SUSMOD; |
| } else { /* CS5530A,B.. */ |
| suscfg = gx_params->pci_suscfg | SUSMOD | PWRSVE; |
| } |
| break; |
| case PCI_DEVICE_ID_CYRIX_5520: |
| case PCI_DEVICE_ID_CYRIX_5510: |
| suscfg = gx_params->pci_suscfg | SUSMOD; |
| break; |
| default: |
| local_irq_restore(flags); |
| dprintk("fatal: try to set unknown chipset.\n"); |
| return; |
| } |
| |
| gx_params->off_duration = off_duration; |
| gx_params->on_duration = on_duration; |
| |
| pci_write_config_byte(gx_params->cs55x0, PCI_MODOFF, gx_params->off_duration); |
| pci_write_config_byte(gx_params->cs55x0, PCI_MODON, gx_params->on_duration); |
| |
| pci_write_config_byte(gx_params->cs55x0, PCI_SUSCFG, suscfg); |
| pci_read_config_byte(gx_params->cs55x0, PCI_SUSCFG, &suscfg); |
| |
| local_irq_restore(flags); |
| |
| gx_params->pci_suscfg = suscfg; |
| |
| dprintk("suspend modulation w/ duration of ON:%d us, OFF:%d us\n", |
| gx_params->on_duration * 32, gx_params->off_duration * 32); |
| |
| } |
| |
| /**************************************************************** |
| * High level functions * |
| ****************************************************************/ |