diff options
Diffstat (limited to 'sound/soc/sh/fsi.c')
| -rw-r--r-- | sound/soc/sh/fsi.c | 89 |
1 files changed, 48 insertions, 41 deletions
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c index b87b22e88e43..142c066eaee2 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -250,6 +250,7 @@ struct fsi_clk { struct fsi_priv { void __iomem *base; + phys_addr_t phys; struct fsi_master *master; struct fsi_stream playback; @@ -1371,13 +1372,18 @@ static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io, struct dev shdma_chan_filter, (void *)io->dma_id, dev, is_play ? "tx" : "rx"); if (io->chan) { - struct dma_slave_config cfg; + struct dma_slave_config cfg = {}; int ret; - cfg.slave_id = io->dma_id; - cfg.dst_addr = 0; /* use default addr */ - cfg.src_addr = 0; /* use default addr */ - cfg.direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM; + if (is_play) { + cfg.dst_addr = fsi->phys + REG_DODT; + cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + cfg.direction = DMA_MEM_TO_DEV; + } else { + cfg.src_addr = fsi->phys + REG_DIDT; + cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + cfg.direction = DMA_DEV_TO_MEM; + } ret = dmaengine_slave_config(io->chan, &cfg); if (ret < 0) { @@ -1876,7 +1882,40 @@ static void fsi_handler_init(struct fsi_priv *fsi, } } -static struct of_device_id fsi_of_match[]; +static const struct fsi_core fsi1_core = { + .ver = 1, + + /* Interrupt */ + .int_st = INT_ST, + .iemsk = IEMSK, + .imsk = IMSK, +}; + +static const struct fsi_core fsi2_core = { + .ver = 2, + + /* Interrupt */ + .int_st = CPU_INT_ST, + .iemsk = CPU_IEMSK, + .imsk = CPU_IMSK, + .a_mclk = A_MST_CTLR, + .b_mclk = B_MST_CTLR, +}; + +static const struct of_device_id fsi_of_match[] = { + { .compatible = "renesas,sh_fsi", .data = &fsi1_core}, + { .compatible = "renesas,sh_fsi2", .data = &fsi2_core}, + {}, +}; +MODULE_DEVICE_TABLE(of, fsi_of_match); + +static const struct platform_device_id fsi_id_table[] = { + { "sh_fsi", (kernel_ulong_t)&fsi1_core }, + { "sh_fsi2", (kernel_ulong_t)&fsi2_core }, + {}, +}; +MODULE_DEVICE_TABLE(platform, fsi_id_table); + static int fsi_probe(struct platform_device *pdev) { struct fsi_master *master; @@ -1941,6 +1980,7 @@ static int fsi_probe(struct platform_device *pdev) /* FSI A setting */ fsi = &master->fsia; fsi->base = master->base; + fsi->phys = res->start; fsi->master = master; fsi_port_info_init(fsi, &info.port_a); fsi_handler_init(fsi, &info.port_a); @@ -1953,6 +1993,7 @@ static int fsi_probe(struct platform_device *pdev) /* FSI B setting */ fsi = &master->fsib; fsi->base = master->base + 0x40; + fsi->phys = res->start + 0x40; fsi->master = master; fsi_port_info_init(fsi, &info.port_b); fsi_handler_init(fsi, &info.port_b); @@ -2072,40 +2113,6 @@ static struct dev_pm_ops fsi_pm_ops = { .resume = fsi_resume, }; -static struct fsi_core fsi1_core = { - .ver = 1, - - /* Interrupt */ - .int_st = INT_ST, - .iemsk = IEMSK, - .imsk = IMSK, -}; - -static struct fsi_core fsi2_core = { - .ver = 2, - - /* Interrupt */ - .int_st = CPU_INT_ST, - .iemsk = CPU_IEMSK, - .imsk = CPU_IMSK, - .a_mclk = A_MST_CTLR, - .b_mclk = B_MST_CTLR, -}; - -static struct of_device_id fsi_of_match[] = { - { .compatible = "renesas,sh_fsi", .data = &fsi1_core}, - { .compatible = "renesas,sh_fsi2", .data = &fsi2_core}, - {}, -}; -MODULE_DEVICE_TABLE(of, fsi_of_match); - -static struct platform_device_id fsi_id_table[] = { - { "sh_fsi", (kernel_ulong_t)&fsi1_core }, - { "sh_fsi2", (kernel_ulong_t)&fsi2_core }, - {}, -}; -MODULE_DEVICE_TABLE(platform, fsi_id_table); - static struct platform_driver fsi_driver = { .driver = { .name = "fsi-pcm-audio", @@ -2119,7 +2126,7 @@ static struct platform_driver fsi_driver = { module_platform_driver(fsi_driver); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("SuperH onchip FSI audio driver"); MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>"); MODULE_ALIAS("platform:fsi-pcm-audio"); |