diff options
Diffstat (limited to 'sound/pci/emu10k1/emufx.c')
| -rw-r--r-- | sound/pci/emu10k1/emufx.c | 121 |
1 files changed, 114 insertions, 7 deletions
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c index f4452c5cb4c..a44e4fdfc02 100644 --- a/sound/pci/emu10k1/emufx.c +++ b/sound/pci/emu10k1/emufx.c @@ -1071,9 +1071,6 @@ static int __devinit _snd_emu10k1_audigy_init_efx(struct snd_emu10k1 *emu) u32 *gpr_map; mm_segment_t seg; - spin_lock_init(&emu->fx8010.irq_lock); - INIT_LIST_HEAD(&emu->fx8010.gpr_ctl); - if ((icode = kzalloc(sizeof(*icode), GFP_KERNEL)) == NULL || (icode->gpr_map = (u_int32_t __user *) kcalloc(512 + 256 + 256 + 2 * 1024, sizeof(u_int32_t), @@ -1541,9 +1538,6 @@ static int __devinit _snd_emu10k1_init_efx(struct snd_emu10k1 *emu) u32 *gpr_map; mm_segment_t seg; - spin_lock_init(&emu->fx8010.irq_lock); - INIT_LIST_HEAD(&emu->fx8010.gpr_ctl); - if ((icode = kzalloc(sizeof(*icode), GFP_KERNEL)) == NULL) return -ENOMEM; if ((icode->gpr_map = (u_int32_t __user *) @@ -2102,6 +2096,8 @@ static int __devinit _snd_emu10k1_init_efx(struct snd_emu10k1 *emu) int __devinit snd_emu10k1_init_efx(struct snd_emu10k1 *emu) { + spin_lock_init(&emu->fx8010.irq_lock); + INIT_LIST_HEAD(&emu->fx8010.gpr_ctl); if (emu->audigy) return _snd_emu10k1_audigy_init_efx(emu); else @@ -2171,7 +2167,7 @@ int snd_emu10k1_fx8010_tram_setup(struct snd_emu10k1 *emu, u32 size) snd_emu10k1_ptr_write(emu, TCBS, 0, size_reg); spin_lock_irq(&emu->emu_lock); outl(inl(emu->port + HCFG) & ~HCFG_LOCKTANKCACHE_MASK, emu->port + HCFG); - spin_unlock_irq(&emu->emu_lock); + spin_unlock_irq(&emu->emu_lock); } return 0; @@ -2387,3 +2383,114 @@ int __devinit snd_emu10k1_fx8010_new(struct snd_emu10k1 *emu, int device, struct *rhwdep = hw; return 0; } + +#ifdef CONFIG_PM +int __devinit snd_emu10k1_efx_alloc_pm_buffer(struct snd_emu10k1 *emu) +{ + int len; + + len = emu->audigy ? 0x200 : 0x100; + emu->saved_gpr = kmalloc(len * 4, GFP_KERNEL); + if (! emu->saved_gpr) + return -ENOMEM; + len = emu->audigy ? 0x100 : 0xa0; + emu->tram_val_saved = kmalloc(len * 4, GFP_KERNEL); + emu->tram_addr_saved = kmalloc(len * 4, GFP_KERNEL); + if (! emu->tram_val_saved || ! emu->tram_addr_saved) + return -ENOMEM; + len = emu->audigy ? 2 * 1024 : 2 * 512; + emu->saved_icode = vmalloc(len * 4); + if (! emu->saved_icode) + return -ENOMEM; + return 0; +} + +void snd_emu10k1_efx_free_pm_buffer(struct snd_emu10k1 *emu) +{ + kfree(emu->saved_gpr); + kfree(emu->tram_val_saved); + kfree(emu->tram_addr_saved); + vfree(emu->saved_icode); +} + +/* + * save/restore GPR, TRAM and codes + */ +void snd_emu10k1_efx_suspend(struct snd_emu10k1 *emu) +{ + int i, len; + + len = emu->audigy ? 0x200 : 0x100; + for (i = 0; i < len; i++) + emu->saved_gpr[i] = snd_emu10k1_ptr_read(emu, emu->gpr_base + i, 0); + + len = emu->audigy ? 0x100 : 0xa0; + for (i = 0; i < len; i++) { + emu->tram_val_saved[i] = snd_emu10k1_ptr_read(emu, TANKMEMDATAREGBASE + i, 0); + emu->tram_addr_saved[i] = snd_emu10k1_ptr_read(emu, TANKMEMADDRREGBASE + i, 0); + if (emu->audigy) { + emu->tram_addr_saved[i] >>= 12; + emu->tram_addr_saved[i] |= + snd_emu10k1_ptr_read(emu, A_TANKMEMCTLREGBASE + i, 0) << 20; + } + } + + len = emu->audigy ? 2 * 1024 : 2 * 512; + for (i = 0; i < len; i++) + emu->saved_icode[i] = snd_emu10k1_efx_read(emu, i); +} + +void snd_emu10k1_efx_resume(struct snd_emu10k1 *emu) +{ + int i, len; + + /* set up TRAM */ + if (emu->fx8010.etram_pages.bytes > 0) { + unsigned size, size_reg = 0; + size = emu->fx8010.etram_pages.bytes / 2; + size = (size - 1) >> 13; + while (size) { + size >>= 1; + size_reg++; + } + outl(HCFG_LOCKTANKCACHE_MASK | inl(emu->port + HCFG), emu->port + HCFG); + snd_emu10k1_ptr_write(emu, TCB, 0, emu->fx8010.etram_pages.addr); + snd_emu10k1_ptr_write(emu, TCBS, 0, size_reg); + outl(inl(emu->port + HCFG) & ~HCFG_LOCKTANKCACHE_MASK, emu->port + HCFG); + } + + if (emu->audigy) + snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg | A_DBG_SINGLE_STEP); + else + snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg | EMU10K1_DBG_SINGLE_STEP); + + len = emu->audigy ? 0x200 : 0x100; + for (i = 0; i < len; i++) + snd_emu10k1_ptr_write(emu, emu->gpr_base + i, 0, emu->saved_gpr[i]); + + len = emu->audigy ? 0x100 : 0xa0; + for (i = 0; i < len; i++) { + snd_emu10k1_ptr_write(emu, TANKMEMDATAREGBASE + i, 0, + emu->tram_val_saved[i]); + if (! emu->audigy) + snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + i, 0, + emu->tram_addr_saved[i]); + else { + snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + i, 0, + emu->tram_addr_saved[i] << 12); + snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + i, 0, + emu->tram_addr_saved[i] >> 20); + } + } + + len = emu->audigy ? 2 * 1024 : 2 * 512; + for (i = 0; i < len; i++) + snd_emu10k1_efx_write(emu, i, emu->saved_icode[i]); + + /* start FX processor when the DSP code is updated */ + if (emu->audigy) + snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg); + else + snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg); +} +#endif |