diff options
Diffstat (limited to 'sound/pci/emu10k1/io.c')
| -rw-r--r-- | sound/pci/emu10k1/io.c | 78 |
1 files changed, 59 insertions, 19 deletions
diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c index b9d3ae0dcab7..ef5304df8c11 100644 --- a/sound/pci/emu10k1/io.c +++ b/sound/pci/emu10k1/io.c @@ -29,8 +29,9 @@ #include <linux/time.h> #include <sound/core.h> #include <sound/emu10k1.h> +#include <linux/delay.h> -unsigned int snd_emu10k1_ptr_read(emu10k1_t * emu, unsigned int reg, unsigned int chn) +unsigned int snd_emu10k1_ptr_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn) { unsigned long flags; unsigned int regptr, val; @@ -61,7 +62,7 @@ unsigned int snd_emu10k1_ptr_read(emu10k1_t * emu, unsigned int reg, unsigned in } } -void snd_emu10k1_ptr_write(emu10k1_t *emu, unsigned int reg, unsigned int chn, unsigned int data) +void snd_emu10k1_ptr_write(struct snd_emu10k1 *emu, unsigned int reg, unsigned int chn, unsigned int data) { unsigned int regptr; unsigned long flags; @@ -91,7 +92,7 @@ void snd_emu10k1_ptr_write(emu10k1_t *emu, unsigned int reg, unsigned int chn, u } } -unsigned int snd_emu10k1_ptr20_read(emu10k1_t * emu, +unsigned int snd_emu10k1_ptr20_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn) { @@ -107,7 +108,7 @@ unsigned int snd_emu10k1_ptr20_read(emu10k1_t * emu, return val; } -void snd_emu10k1_ptr20_write(emu10k1_t *emu, +void snd_emu10k1_ptr20_write(struct snd_emu10k1 *emu, unsigned int reg, unsigned int chn, unsigned int data) @@ -123,7 +124,46 @@ void snd_emu10k1_ptr20_write(emu10k1_t *emu, spin_unlock_irqrestore(&emu->emu_lock, flags); } -void snd_emu10k1_intr_enable(emu10k1_t *emu, unsigned int intrenb) +int snd_emu10k1_spi_write(struct snd_emu10k1 * emu, + unsigned int data) +{ + unsigned int reset, set; + unsigned int reg, tmp; + int n, result; + if (emu->card_capabilities->ca0108_chip) + reg = 0x3c; /* PTR20, reg 0x3c */ + else { + /* For other chip types the SPI register + * is currently unknown. */ + return 1; + } + if (data > 0xffff) /* Only 16bit values allowed */ + return 1; + + tmp = snd_emu10k1_ptr20_read(emu, reg, 0); + reset = (tmp & ~0x3ffff) | 0x20000; /* Set xxx20000 */ + set = reset | 0x10000; /* Set xxx1xxxx */ + snd_emu10k1_ptr20_write(emu, reg, 0, reset | data); + tmp = snd_emu10k1_ptr20_read(emu, reg, 0); /* write post */ + snd_emu10k1_ptr20_write(emu, reg, 0, set | data); + result = 1; + /* Wait for status bit to return to 0 */ + for (n = 0; n < 100; n++) { + udelay(10); + tmp = snd_emu10k1_ptr20_read(emu, reg, 0); + if (!(tmp & 0x10000)) { + result = 0; + break; + } + } + if (result) /* Timed out */ + return 1; + snd_emu10k1_ptr20_write(emu, reg, 0, reset | data); + tmp = snd_emu10k1_ptr20_read(emu, reg, 0); /* Write post */ + return 0; +} + +void snd_emu10k1_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb) { unsigned long flags; unsigned int enable; @@ -134,7 +174,7 @@ void snd_emu10k1_intr_enable(emu10k1_t *emu, unsigned int intrenb) spin_unlock_irqrestore(&emu->emu_lock, flags); } -void snd_emu10k1_intr_disable(emu10k1_t *emu, unsigned int intrenb) +void snd_emu10k1_intr_disable(struct snd_emu10k1 *emu, unsigned int intrenb) { unsigned long flags; unsigned int enable; @@ -145,7 +185,7 @@ void snd_emu10k1_intr_disable(emu10k1_t *emu, unsigned int intrenb) spin_unlock_irqrestore(&emu->emu_lock, flags); } -void snd_emu10k1_voice_intr_enable(emu10k1_t *emu, unsigned int voicenum) +void snd_emu10k1_voice_intr_enable(struct snd_emu10k1 *emu, unsigned int voicenum) { unsigned long flags; unsigned int val; @@ -165,7 +205,7 @@ void snd_emu10k1_voice_intr_enable(emu10k1_t *emu, unsigned int voicenum) spin_unlock_irqrestore(&emu->emu_lock, flags); } -void snd_emu10k1_voice_intr_disable(emu10k1_t *emu, unsigned int voicenum) +void snd_emu10k1_voice_intr_disable(struct snd_emu10k1 *emu, unsigned int voicenum) { unsigned long flags; unsigned int val; @@ -185,7 +225,7 @@ void snd_emu10k1_voice_intr_disable(emu10k1_t *emu, unsigned int voicenum) spin_unlock_irqrestore(&emu->emu_lock, flags); } -void snd_emu10k1_voice_intr_ack(emu10k1_t *emu, unsigned int voicenum) +void snd_emu10k1_voice_intr_ack(struct snd_emu10k1 *emu, unsigned int voicenum) { unsigned long flags; @@ -202,7 +242,7 @@ void snd_emu10k1_voice_intr_ack(emu10k1_t *emu, unsigned int voicenum) spin_unlock_irqrestore(&emu->emu_lock, flags); } -void snd_emu10k1_voice_half_loop_intr_enable(emu10k1_t *emu, unsigned int voicenum) +void snd_emu10k1_voice_half_loop_intr_enable(struct snd_emu10k1 *emu, unsigned int voicenum) { unsigned long flags; unsigned int val; @@ -222,7 +262,7 @@ void snd_emu10k1_voice_half_loop_intr_enable(emu10k1_t *emu, unsigned int voicen spin_unlock_irqrestore(&emu->emu_lock, flags); } -void snd_emu10k1_voice_half_loop_intr_disable(emu10k1_t *emu, unsigned int voicenum) +void snd_emu10k1_voice_half_loop_intr_disable(struct snd_emu10k1 *emu, unsigned int voicenum) { unsigned long flags; unsigned int val; @@ -242,7 +282,7 @@ void snd_emu10k1_voice_half_loop_intr_disable(emu10k1_t *emu, unsigned int voice spin_unlock_irqrestore(&emu->emu_lock, flags); } -void snd_emu10k1_voice_half_loop_intr_ack(emu10k1_t *emu, unsigned int voicenum) +void snd_emu10k1_voice_half_loop_intr_ack(struct snd_emu10k1 *emu, unsigned int voicenum) { unsigned long flags; @@ -259,7 +299,7 @@ void snd_emu10k1_voice_half_loop_intr_ack(emu10k1_t *emu, unsigned int voicenum) spin_unlock_irqrestore(&emu->emu_lock, flags); } -void snd_emu10k1_voice_set_loop_stop(emu10k1_t *emu, unsigned int voicenum) +void snd_emu10k1_voice_set_loop_stop(struct snd_emu10k1 *emu, unsigned int voicenum) { unsigned long flags; unsigned int sol; @@ -279,7 +319,7 @@ void snd_emu10k1_voice_set_loop_stop(emu10k1_t *emu, unsigned int voicenum) spin_unlock_irqrestore(&emu->emu_lock, flags); } -void snd_emu10k1_voice_clear_loop_stop(emu10k1_t *emu, unsigned int voicenum) +void snd_emu10k1_voice_clear_loop_stop(struct snd_emu10k1 *emu, unsigned int voicenum) { unsigned long flags; unsigned int sol; @@ -299,7 +339,7 @@ void snd_emu10k1_voice_clear_loop_stop(emu10k1_t *emu, unsigned int voicenum) spin_unlock_irqrestore(&emu->emu_lock, flags); } -void snd_emu10k1_wait(emu10k1_t *emu, unsigned int wait) +void snd_emu10k1_wait(struct snd_emu10k1 *emu, unsigned int wait) { volatile unsigned count; unsigned int newtime = 0, curtime; @@ -318,9 +358,9 @@ void snd_emu10k1_wait(emu10k1_t *emu, unsigned int wait) } } -unsigned short snd_emu10k1_ac97_read(ac97_t *ac97, unsigned short reg) +unsigned short snd_emu10k1_ac97_read(struct snd_ac97 *ac97, unsigned short reg) { - emu10k1_t *emu = ac97->private_data; + struct snd_emu10k1 *emu = ac97->private_data; unsigned long flags; unsigned short val; @@ -331,9 +371,9 @@ unsigned short snd_emu10k1_ac97_read(ac97_t *ac97, unsigned short reg) return val; } -void snd_emu10k1_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short data) +void snd_emu10k1_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short data) { - emu10k1_t *emu = ac97->private_data; + struct snd_emu10k1 *emu = ac97->private_data; unsigned long flags; spin_lock_irqsave(&emu->emu_lock, flags); |