diff options
Diffstat (limited to 'sound/sparc/dbri.c')
| -rw-r--r-- | sound/sparc/dbri.c | 35 |
1 files changed, 6 insertions, 29 deletions
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c index 4651ff51351..66b4d45cf8b 100644 --- a/sound/sparc/dbri.c +++ b/sound/sparc/dbri.c @@ -34,7 +34,7 @@ * (the second one is a monitor/tee pipe, valid only for serial input). * * The mmcodec is connected via the CHI bus and needs the data & some - * parameters (volume, balance, output selection) timemultiplexed in 8 byte + * parameters (volume, output selection) timemultiplexed in 8 byte * chunks. It also has a control mode, which serves for audio format setting. * * Looking at the CS4215 data sheet it is easy to set up 2 or 4 codecs on @@ -274,9 +274,7 @@ enum in_or_out { PIPEinput, PIPEoutput }; struct dbri_pipe { u32 sdp; /* SDP command word */ - enum in_or_out direction; int nextpipe; /* Next pipe in linked list */ - int prevpipe; int cycle; /* Offset of timeslot (bits) */ int length; /* Length of timeslot (bits) */ int first_desc; /* Index of first descriptor */ @@ -300,13 +298,11 @@ struct dbri_streaminfo { int pipe; /* Data pipe used */ int left_gain; /* mixer elements */ int right_gain; - int balance; }; /* This structure holds the information for both chips (DBRI & CS4215) */ struct snd_dbri { struct snd_card *card; /* ALSA card */ - struct snd_pcm *pcm; int regs_size, irq; /* Needed for unload */ struct sbus_dev *sdev; /* SBUS device info */ @@ -316,7 +312,6 @@ struct snd_dbri { u32 dma_dvma; /* DBRI visible DMA address */ void __iomem *regs; /* dbri HW regs */ - int dbri_version; /* 'e' and up is OK */ int dbri_irqp; /* intr queue pointer */ int wait_send; /* sequence of command buffers send */ int wait_ackd; /* sequence of command buffers acknowledged */ @@ -337,8 +332,6 @@ struct snd_dbri { #define DBRI_MAX_VOLUME 63 /* Output volume */ #define DBRI_MAX_GAIN 15 /* Input gain */ -#define DBRI_RIGHT_BALANCE 255 -#define DBRI_MID_BALANCE (DBRI_RIGHT_BALANCE >> 1) /* DBRI Reg0 - Status Control Register - defines. (Page 17) */ #define D_P (1<<15) /* Program command & queue pointer valid */ @@ -841,10 +834,6 @@ static void setup_pipe(struct snd_dbri * dbri, int pipe, int sdp) dbri->pipes[pipe].sdp = sdp; dbri->pipes[pipe].desc = -1; dbri->pipes[pipe].first_desc = -1; - if (sdp & D_SDP_TO_SER) - dbri->pipes[pipe].direction = PIPEoutput; - else - dbri->pipes[pipe].direction = PIPEinput; reset_pipe(dbri, pipe); } @@ -1363,14 +1352,6 @@ static void cs4215_setdata(struct snd_dbri * dbri, int muted) int left_gain = info->left_gain % 64; int right_gain = info->right_gain % 64; - if (info->balance < DBRI_MID_BALANCE) { - right_gain *= info->balance; - right_gain /= DBRI_MID_BALANCE; - } else { - left_gain *= DBRI_RIGHT_BALANCE - info->balance; - left_gain /= DBRI_MID_BALANCE; - } - dbri->mm.data[0] &= ~0x3f; /* Reset the volume bits */ dbri->mm.data[1] &= ~0x3f; dbri->mm.data[0] |= (DBRI_MAX_VOLUME - left_gain); @@ -2233,7 +2214,6 @@ static int __devinit snd_dbri_pcm(struct snd_dbri * dbri) pcm->private_data = dbri; pcm->info_flags = 0; strcpy(pcm->name, dbri->card->shortname); - dbri->pcm = pcm; if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, @@ -2452,7 +2432,6 @@ static int __init snd_dbri_mixer(struct snd_dbri * dbri) for (idx = DBRI_REC; idx < DBRI_NO_STREAMS; idx++) { dbri->stream_info[idx].left_gain = 0; dbri->stream_info[idx].right_gain = 0; - dbri->stream_info[idx].balance = DBRI_MID_BALANCE; } return 0; @@ -2484,12 +2463,11 @@ static void dbri_debug_read(struct snd_info_entry * entry, struct dbri_pipe *pptr = &dbri->pipes[pipe]; snd_iprintf(buffer, "Pipe %d: %s SDP=0x%x desc=%d, " - "len=%d @ %d prev: %d next %d\n", + "len=%d @ %d next %d\n", pipe, - (pptr->direction == - PIPEinput ? "input" : "output"), pptr->sdp, - pptr->desc, pptr->length, pptr->cycle, - pptr->prevpipe, pptr->nextpipe); + ((pptr->sdp & D_SDP_TO_SER) ? "output" : "input"), + pptr->sdp, pptr->desc, + pptr->length, pptr->cycle, pptr->nextpipe); } } } @@ -2528,7 +2506,6 @@ static int __init snd_dbri_create(struct snd_card *card, dbri->card = card; dbri->sdev = sdev; dbri->irq = irq->pri; - dbri->dbri_version = sdev->prom_name[9]; dbri->dma = sbus_alloc_consistent(sdev, sizeof(struct dbri_dma), &dbri->dma_dvma); @@ -2648,7 +2625,7 @@ static int __init dbri_attach(int prom_node, struct sbus_dev *sdev) printk(KERN_INFO "audio%d at %p (irq %d) is DBRI(%c)+CS4215(%d)\n", dev, dbri->regs, - dbri->irq, dbri->dbri_version, dbri->mm.version); + dbri->irq, sdev->prom_name[9], dbri->mm.version); dev++; return 0; |