diff options
Diffstat (limited to 'sound/isa/sb/emu8000.c')
| -rw-r--r-- | sound/isa/sb/emu8000.c | 48 |
1 files changed, 29 insertions, 19 deletions
diff --git a/sound/isa/sb/emu8000.c b/sound/isa/sb/emu8000.c index 0c40951b652..45fcdff611f 100644 --- a/sound/isa/sb/emu8000.c +++ b/sound/isa/sb/emu8000.c @@ -24,6 +24,7 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/ioport.h> +#include <linux/export.h> #include <linux/delay.h> #include <sound/core.h> #include <sound/emu8000.h> @@ -130,7 +131,7 @@ snd_emu8000_dma_chan(struct snd_emu8000 *emu, int ch, int mode) /* */ -static void __devinit +static void snd_emu8000_read_wait(struct snd_emu8000 *emu) { while ((EMU8000_SMALR_READ(emu) & 0x80000000) != 0) { @@ -142,7 +143,7 @@ snd_emu8000_read_wait(struct snd_emu8000 *emu) /* */ -static void __devinit +static void snd_emu8000_write_wait(struct snd_emu8000 *emu) { while ((EMU8000_SMALW_READ(emu) & 0x80000000) != 0) { @@ -155,7 +156,7 @@ snd_emu8000_write_wait(struct snd_emu8000 *emu) /* * detect a card at the given port */ -static int __devinit +static int snd_emu8000_detect(struct snd_emu8000 *emu) { /* Initialise */ @@ -181,7 +182,7 @@ snd_emu8000_detect(struct snd_emu8000 *emu) /* * intiailize audio channels */ -static void __devinit +static void init_audio(struct snd_emu8000 *emu) { int ch; @@ -222,7 +223,7 @@ init_audio(struct snd_emu8000 *emu) /* * initialize DMA address */ -static void __devinit +static void init_dma(struct snd_emu8000 *emu) { EMU8000_SMALR_WRITE(emu, 0); @@ -234,7 +235,7 @@ init_dma(struct snd_emu8000 *emu) /* * initialization arrays; from ADIP */ -static unsigned short init1[128] /*__devinitdata*/ = { +static unsigned short init1[128] = { 0x03ff, 0x0030, 0x07ff, 0x0130, 0x0bff, 0x0230, 0x0fff, 0x0330, 0x13ff, 0x0430, 0x17ff, 0x0530, 0x1bff, 0x0630, 0x1fff, 0x0730, 0x23ff, 0x0830, 0x27ff, 0x0930, 0x2bff, 0x0a30, 0x2fff, 0x0b30, @@ -256,7 +257,7 @@ static unsigned short init1[128] /*__devinitdata*/ = { 0xf3ff, 0x0c30, 0xf7ff, 0x0d30, 0xfbff, 0x0e30, 0xffff, 0x0f30, }; -static unsigned short init2[128] /*__devinitdata*/ = { +static unsigned short init2[128] = { 0x03ff, 0x8030, 0x07ff, 0x8130, 0x0bff, 0x8230, 0x0fff, 0x8330, 0x13ff, 0x8430, 0x17ff, 0x8530, 0x1bff, 0x8630, 0x1fff, 0x8730, 0x23ff, 0x8830, 0x27ff, 0x8930, 0x2bff, 0x8a30, 0x2fff, 0x8b30, @@ -278,7 +279,7 @@ static unsigned short init2[128] /*__devinitdata*/ = { 0xf3ff, 0x8c30, 0xf7ff, 0x8d30, 0xfbff, 0x8e30, 0xffff, 0x8f30, }; -static unsigned short init3[128] /*__devinitdata*/ = { +static unsigned short init3[128] = { 0x0C10, 0x8470, 0x14FE, 0xB488, 0x167F, 0xA470, 0x18E7, 0x84B5, 0x1B6E, 0x842A, 0x1F1D, 0x852A, 0x0DA3, 0x8F7C, 0x167E, 0xF254, 0x0000, 0x842A, 0x0001, 0x852A, 0x18E6, 0x8BAA, 0x1B6D, 0xF234, @@ -300,7 +301,7 @@ static unsigned short init3[128] /*__devinitdata*/ = { 0x1342, 0xD36E, 0x3EC7, 0xB3FF, 0x0000, 0x8365, 0x1420, 0x9570, }; -static unsigned short init4[128] /*__devinitdata*/ = { +static unsigned short init4[128] = { 0x0C10, 0x8470, 0x14FE, 0xB488, 0x167F, 0xA470, 0x18E7, 0x84B5, 0x1B6E, 0x842A, 0x1F1D, 0x852A, 0x0DA3, 0x0F7C, 0x167E, 0x7254, 0x0000, 0x842A, 0x0001, 0x852A, 0x18E6, 0x0BAA, 0x1B6D, 0x7234, @@ -326,7 +327,7 @@ static unsigned short init4[128] /*__devinitdata*/ = { * Taken from the oss driver, not obvious from the doc how this * is meant to work */ -static void __devinit +static void send_array(struct snd_emu8000 *emu, unsigned short *data, int size) { int i; @@ -348,7 +349,7 @@ send_array(struct snd_emu8000 *emu, unsigned short *data, int size) * Send initialization arrays to start up, this just follows the * initialisation sequence in the adip. */ -static void __devinit +static void init_arrays(struct snd_emu8000 *emu) { send_array(emu, init1, ARRAY_SIZE(init1)/4); @@ -370,11 +371,11 @@ init_arrays(struct snd_emu8000 *emu) /* * Size the onboard memory. - * This is written so as not to need arbitary delays after the write. It + * This is written so as not to need arbitrary delays after the write. It * seems that the only way to do this is to use the one channel and keep * reallocating between read and write. */ -static void __devinit +static void size_dram(struct snd_emu8000 *emu) { int i, size, detected_size; @@ -416,9 +417,6 @@ size_dram(struct snd_emu8000 *emu) EMU8000_SMLD_READ(emu); /* discard stale data */ if (EMU8000_SMLD_READ(emu) != UNIQUE_ID2) break; /* no memory at this address */ - - detected_size = size; - snd_emu8000_read_wait(emu); /* @@ -431,6 +429,18 @@ size_dram(struct snd_emu8000 *emu) if (EMU8000_SMLD_READ(emu) != UNIQUE_ID1) break; /* we must have wrapped around */ snd_emu8000_read_wait(emu); + + /* Otherwise, it's valid memory. */ + detected_size = size + 512 * 1024; + } + + /* Distinguish 512 KiB from 0. */ + if (detected_size == 0) { + snd_emu8000_read_wait(emu); + EMU8000_SMALR_WRITE(emu, EMU8000_DRAM_OFFSET); + EMU8000_SMLD_READ(emu); /* discard stale data */ + if (EMU8000_SMLD_READ(emu) == UNIQUE_ID1) + detected_size = 512 * 1024; } /* wait until FULL bit in SMAxW register is false */ @@ -502,7 +512,7 @@ snd_emu8000_init_fm(struct snd_emu8000 *emu) /* * The main initialization routine. */ -static void __devinit +static void snd_emu8000_init_hw(struct snd_emu8000 *emu) { int i; @@ -1021,7 +1031,7 @@ static struct snd_kcontrol_new *mixer_defs[EMU8000_NUM_CONTROLS] = { /* * create and attach mixer elements for WaveTable treble/bass controls */ -static int __devinit +static int snd_emu8000_create_mixer(struct snd_card *card, struct snd_emu8000 *emu) { int i, err = 0; @@ -1072,7 +1082,7 @@ static int snd_emu8000_dev_free(struct snd_device *device) /* * initialize and register emu8000 synth device. */ -int __devinit +int snd_emu8000_new(struct snd_card *card, int index, long port, int seq_ports, struct snd_seq_device **awe_ret) { |