diff options
Diffstat (limited to 'arch/arm/plat-samsung/s3c-dma-ops.c')
-rw-r--r-- | arch/arm/plat-samsung/s3c-dma-ops.c | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/arch/arm/plat-samsung/s3c-dma-ops.c b/arch/arm/plat-samsung/s3c-dma-ops.c index 7814949..f99448c 100644 --- a/arch/arm/plat-samsung/s3c-dma-ops.c +++ b/arch/arm/plat-samsung/s3c-dma-ops.c @@ -36,30 +36,26 @@ static void s3c_dma_cb(struct s3c2410_dma_chan *channel, void *param, } static unsigned s3c_dma_request(enum dma_ch dma_ch, - struct samsung_dma_info *info) + struct samsung_dma_req *param) { struct cb_data *data; - if (s3c2410_dma_request(dma_ch, info->client, NULL) < 0) { - s3c2410_dma_free(dma_ch, info->client); + if (s3c2410_dma_request(dma_ch, param->client, NULL) < 0) { + s3c2410_dma_free(dma_ch, param->client); return 0; } + if (param->cap == DMA_CYCLIC) + s3c2410_dma_setflags(dma_ch, S3C2410_DMAF_CIRCULAR); + data = kzalloc(sizeof(struct cb_data), GFP_KERNEL); data->ch = dma_ch; list_add_tail(&data->node, &dma_list); - s3c2410_dma_devconfig(dma_ch, info->direction, info->fifo); - - if (info->cap == DMA_CYCLIC) - s3c2410_dma_setflags(dma_ch, S3C2410_DMAF_CIRCULAR); - - s3c2410_dma_config(dma_ch, info->width); - return (unsigned)dma_ch; } -static int s3c_dma_release(unsigned ch, struct s3c2410_dma_client *client) +static int s3c_dma_release(unsigned ch, void *param) { struct cb_data *data; @@ -68,16 +64,24 @@ static int s3c_dma_release(unsigned ch, struct s3c2410_dma_client *client) break; list_del(&data->node); - s3c2410_dma_free(ch, client); + s3c2410_dma_free(ch, param); kfree(data); return 0; } -static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep_info *info) +static int s3c_dma_config(unsigned ch, struct samsung_dma_config *param) +{ + s3c2410_dma_devconfig(ch, param->direction, param->fifo); + s3c2410_dma_config(ch, param->width); + + return 0; +} + +static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep *param) { struct cb_data *data; - int len = (info->cap == DMA_CYCLIC) ? info->period : info->len; + int len = (param->cap == DMA_CYCLIC) ? param->period : param->len; list_for_each_entry(data, &dma_list, node) if (data->ch == ch) @@ -85,11 +89,11 @@ static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep_info *info) if (!data->fp) { s3c2410_dma_set_buffdone_fn(ch, s3c_dma_cb); - data->fp = info->fp; - data->fp_param = info->fp_param; + data->fp = param->fp; + data->fp_param = param->fp_param; } - s3c2410_dma_enqueue(ch, (void *)data, info->buf, len); + s3c2410_dma_enqueue(ch, (void *)data, param->buf, len); return 0; } @@ -117,6 +121,7 @@ static inline int s3c_dma_stop(unsigned ch) static struct samsung_dma_ops s3c_dma_ops = { .request = s3c_dma_request, .release = s3c_dma_release, + .config = s3c_dma_config, .prepare = s3c_dma_prepare, .trigger = s3c_dma_trigger, .started = s3c_dma_started, |