diff options
Diffstat (limited to 'arch/ppc64/kernel/pmac_feature.c')
| -rw-r--r-- | arch/ppc64/kernel/pmac_feature.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/arch/ppc64/kernel/pmac_feature.c b/arch/ppc64/kernel/pmac_feature.c index 086abc1bcca1..98ed2bccab1a 100644 --- a/arch/ppc64/kernel/pmac_feature.c +++ b/arch/ppc64/kernel/pmac_feature.c @@ -64,8 +64,7 @@ static DEFINE_SPINLOCK(feature_lock __pmacdata); */ struct macio_chip macio_chips[MAX_MACIO_CHIPS] __pmacdata; -struct macio_chip* __pmac -macio_find(struct device_node* child, int type) +struct macio_chip* __pmac macio_find(struct device_node* child, int type) { while(child) { int i; @@ -78,6 +77,7 @@ macio_find(struct device_node* child, int type) } return NULL; } +EXPORT_SYMBOL_GPL(macio_find); static const char* macio_names[] __pmacdata = { @@ -250,6 +250,30 @@ static long __pmac g5_eth_phy_reset(struct device_node* node, long param, long v return 0; } +static long __pmac g5_i2s_enable(struct device_node *node, long param, long value) +{ + /* Very crude implementation for now */ + struct macio_chip* macio = &macio_chips[0]; + unsigned long flags; + + if (value == 0) + return 0; /* don't disable yet */ + + LOCK(flags); + MACIO_BIS(KEYLARGO_FCR3, KL3_CLK45_ENABLE | KL3_CLK49_ENABLE | + KL3_I2S0_CLK18_ENABLE); + udelay(10); + MACIO_BIS(KEYLARGO_FCR1, K2_FCR1_I2S0_CELL_ENABLE | + K2_FCR1_I2S0_CLK_ENABLE_BIT | K2_FCR1_I2S0_ENABLE); + udelay(10); + MACIO_BIC(KEYLARGO_FCR1, K2_FCR1_I2S0_RESET); + UNLOCK(flags); + udelay(10); + + return 0; +} + + #ifdef CONFIG_SMP static long __pmac g5_reset_cpu(struct device_node* node, long param, long value) { @@ -337,6 +361,7 @@ static struct feature_table_entry g5_features[] __pmacdata = { { PMAC_FTR_READ_GPIO, g5_read_gpio }, { PMAC_FTR_WRITE_GPIO, g5_write_gpio }, { PMAC_FTR_GMAC_PHY_RESET, g5_eth_phy_reset }, + { PMAC_FTR_SOUND_CHIP_ENABLE, g5_i2s_enable }, #ifdef CONFIG_SMP { PMAC_FTR_RESET_CPU, g5_reset_cpu }, #endif /* CONFIG_SMP */ |