ARM-SHMOBILE series have FIFO-buffered serial interface 2 (FSI2) device which is advanced version of FSI. This patch add simple support for it.
Signed-off-by: Kuninori Morimoto morimoto.kuninori@renesas.com --- v1 -> v2
o based on new [PATCH 2/4 v2] ASoC: fsi: Add FIFO size calculate
sound/soc/sh/Kconfig | 3 +- sound/soc/sh/fsi.c | 56 +++++++++++++++++++++++++++++++++++++++++-------- 2 files changed, 48 insertions(+), 11 deletions(-)
diff --git a/sound/soc/sh/Kconfig b/sound/soc/sh/Kconfig index f07f6d8..a1d14bc 100644 --- a/sound/soc/sh/Kconfig +++ b/sound/soc/sh/Kconfig @@ -1,5 +1,5 @@ menu "SoC Audio support for SuperH" - depends on SUPERH + depends on SUPERH || ARCH_SHMOBILE
config SND_SOC_PCM_SH7760 tristate "SoC Audio support for Renesas SH7760" @@ -22,7 +22,6 @@ config SND_SOC_SH4_SSI
config SND_SOC_SH4_FSI tristate "SH4 FSI support" - depends on CPU_SUBTYPE_SH7724 help This option enables FSI sound support
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c index ae88865..f14bbb0 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -40,6 +40,10 @@ #define MUTE_ST 0x0028 #define REG_END MUTE_ST
+ +#define CPU_INT_ST 0x01F4 +#define CPU_IEMSK 0x01F8 +#define CPU_IMSK 0x01FC #define INT_ST 0x0200 #define IEMSK 0x0204 #define IMSK 0x0208 @@ -47,7 +51,7 @@ #define CLK_RST 0x0210 #define SOFT_RST 0x0214 #define FIFO_SZ 0x0218 -#define MREG_START INT_ST +#define MREG_START CPU_INT_ST #define MREG_END FIFO_SZ
/* DO_FMT */ @@ -116,11 +120,18 @@ struct fsi_priv { int periods; };
+struct fsi_regs { + u32 int_st; + u32 iemsk; + u32 imsk; +}; + struct fsi_master { void __iomem *base; int irq; struct fsi_priv fsia; struct fsi_priv fsib; + struct fsi_regs *regs; struct sh_fsi_platform_info *info; spinlock_t lock; }; @@ -337,8 +348,8 @@ static void fsi_irq_enable(struct fsi_priv *fsi, int is_play) u32 data = fsi_port_ab_io_bit(fsi, is_play); struct fsi_master *master = fsi_get_master(fsi);
- fsi_master_mask_set(master, IMSK, data, data); - fsi_master_mask_set(master, IEMSK, data, data); + fsi_master_mask_set(master, master->regs->imsk, data, data); + fsi_master_mask_set(master, master->regs->iemsk, data, data); }
static void fsi_irq_disable(struct fsi_priv *fsi, int is_play) @@ -346,18 +357,18 @@ static void fsi_irq_disable(struct fsi_priv *fsi, int is_play) u32 data = fsi_port_ab_io_bit(fsi, is_play); struct fsi_master *master = fsi_get_master(fsi);
- fsi_master_mask_set(master, IMSK, data, 0); - fsi_master_mask_set(master, IEMSK, data, 0); + fsi_master_mask_set(master, master->regs->imsk, data, 0); + fsi_master_mask_set(master, master->regs->iemsk, data, 0); }
static u32 fsi_irq_get_status(struct fsi_master *master) { - return fsi_master_read(master, INT_ST); + return fsi_master_read(master, master->regs->int_st); }
static void fsi_irq_clear_all_status(struct fsi_master *master) { - fsi_master_write(master, INT_ST, 0x0000000); + fsi_master_write(master, master->regs->int_st, 0x0000000); }
static void fsi_irq_clear_status(struct fsi_priv *fsi) @@ -369,7 +380,7 @@ static void fsi_irq_clear_status(struct fsi_priv *fsi) data |= fsi_port_ab_io_bit(fsi, 1);
/* clear interrupt factor */ - fsi_master_mask_set(master, INT_ST, data, 0); + fsi_master_mask_set(master, master->regs->int_st, data, 0); }
/************************************************************************ @@ -953,6 +964,7 @@ EXPORT_SYMBOL_GPL(fsi_soc_platform); static int fsi_probe(struct platform_device *pdev) { struct fsi_master *master; + const struct platform_device_id *id_entry; struct resource *res; unsigned int irq; int ret; @@ -962,6 +974,12 @@ static int fsi_probe(struct platform_device *pdev) return -ENODEV; }
+ id_entry = pdev->id_entry; + if (!id_entry) { + dev_err(&pdev->dev, "unknown fsi device\n"); + return -ENODEV; + } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); if (!res || (int)irq <= 0) { @@ -990,6 +1008,7 @@ static int fsi_probe(struct platform_device *pdev) master->fsia.master = master; master->fsib.base = master->base + 0x40; master->fsib.master = master; + master->regs = (struct fsi_regs *)id_entry->driver_data; spin_lock_init(&master->lock);
pm_runtime_enable(&pdev->dev); @@ -1002,7 +1021,8 @@ static int fsi_probe(struct platform_device *pdev)
fsi_soft_all_reset(master);
- ret = request_irq(irq, &fsi_interrupt, IRQF_DISABLED, "fsi", master); + ret = request_irq(irq, &fsi_interrupt, IRQF_DISABLED, + id_entry->name, master); if (ret) { dev_err(&pdev->dev, "irq request err\n"); goto exit_iounmap; @@ -1069,6 +1089,23 @@ static struct dev_pm_ops fsi_pm_ops = { .runtime_resume = fsi_runtime_nop, };
+static struct fsi_regs fsi_regs = { + .int_st = INT_ST, + .iemsk = IEMSK, + .imsk = IMSK, +}; + +static struct fsi_regs fsi2_regs = { + .int_st = CPU_INT_ST, + .iemsk = CPU_IEMSK, + .imsk = CPU_IMSK, +}; + +static struct platform_device_id fsi_id_table[] = { + { "sh_fsi", (kernel_ulong_t)&fsi_regs }, + { "sh_fsi2", (kernel_ulong_t)&fsi2_regs }, +}; + static struct platform_driver fsi_driver = { .driver = { .name = "sh_fsi", @@ -1076,6 +1113,7 @@ static struct platform_driver fsi_driver = { }, .probe = fsi_probe, .remove = fsi_remove, + .id_table = fsi_id_table, };
static int __init fsi_mobile_init(void)