Add platform support for ACLC of TXx9 SoCs.
Signed-off-by: Atsushi Nemoto <anemo@xxxxxxxxxxxxx>
---
Changes since v1:
* use one platform device to provide irq/mem/dma resources and
another platform device for machine driver.
arch/mips/include/asm/txx9/generic.h | 5 ++++
arch/mips/include/asm/txx9/tx4927.h | 2 +
arch/mips/include/asm/txx9/tx4938.h | 1 +
arch/mips/include/asm/txx9/tx4939.h | 1 +
arch/mips/txx9/Kconfig | 3 ++
arch/mips/txx9/generic/setup.c | 36 +++++++++++++++++++++++++++
arch/mips/txx9/generic/setup_tx4927.c | 43 +++++++++++++++++++++++++++++++++
arch/mips/txx9/generic/setup_tx4938.c | 11 ++++++++
arch/mips/txx9/generic/setup_tx4939.c | 9 +++++++
arch/mips/txx9/rbtx4927/setup.c | 8 ++++-
arch/mips/txx9/rbtx4938/setup.c | 2 +
arch/mips/txx9/rbtx4939/setup.c | 2 +
12 files changed, 121 insertions(+), 2 deletions(-)
diff --git a/arch/mips/include/asm/txx9/generic.h b/arch/mips/include/asm/txx9/generic.h
index 9cde009..8169477 100644
--- a/arch/mips/include/asm/txx9/generic.h
+++ b/arch/mips/include/asm/txx9/generic.h
@@ -91,4 +91,9 @@ void txx9_7segled_init(unsigned int num,
void (*putc)(unsigned int pos, unsigned char val));
int txx9_7segled_putc(unsigned int pos, char c);
+void __init txx9_aclc_init(unsigned long baseaddr, int irq,
+ unsigned int dmac_id,
+ unsigned int dma_chan_out,
+ unsigned int dma_chan_in);
+
#endif /* __ASM_TXX9_GENERIC_H */
diff --git a/arch/mips/include/asm/txx9/tx4927.h b/arch/mips/include/asm/txx9/tx4927.h
index d92ae07..18c98c5 100644
--- a/arch/mips/include/asm/txx9/tx4927.h
+++ b/arch/mips/include/asm/txx9/tx4927.h
@@ -50,6 +50,7 @@
#define TX4927_NR_SIO 2
#define TX4927_SIO_REG(ch) (TX4927_REG_BASE + 0xf300 + (ch) * 0x100)
#define TX4927_PIO_REG (TX4927_REG_BASE + 0xf500)
+#define TX4927_ACLC_REG (TX4927_REG_BASE + 0xf700)
#define TX4927_IR_ECCERR 0
#define TX4927_IR_WTOERR 1
@@ -267,5 +268,6 @@ void tx4927_setup_pcierr_irq(void);
void tx4927_irq_init(void);
void tx4927_mtd_init(int ch);
void tx4927_dmac_init(int memcpy_chan);
+void tx4927_aclc_init(unsigned int dma_chan_out, unsigned int dma_chan_in);
#endif /* __ASM_TXX9_TX4927_H */
diff --git a/arch/mips/include/asm/txx9/tx4938.h b/arch/mips/include/asm/txx9/tx4938.h
index 0758a0c..54e4674 100644
--- a/arch/mips/include/asm/txx9/tx4938.h
+++ b/arch/mips/include/asm/txx9/tx4938.h
@@ -306,5 +306,6 @@ struct tx4938ide_platform_info {
void tx4938_ata_init(unsigned int irq, unsigned int shift, int tune);
void tx4938_dmac_init(int memcpy_chan0, int memcpy_chan1);
+void tx4938_aclc_init(void);
#endif
diff --git a/arch/mips/include/asm/txx9/tx4939.h b/arch/mips/include/asm/txx9/tx4939.h
index 1be9798..f13b708 100644
--- a/arch/mips/include/asm/txx9/tx4939.h
+++ b/arch/mips/include/asm/txx9/tx4939.h
@@ -545,5 +545,6 @@ void tx4939_rtc_init(void);
void tx4939_ndfmc_init(unsigned int hold, unsigned int spw,
unsigned char ch_mask, unsigned char wide_mask);
void tx4939_dmac_init(int memcpy_chan0, int memcpy_chan1);
+void tx4939_aclc_init(void);
#endif /* __ASM_TXX9_TX4939_H */
diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig
index 0db7cf3..852ae4b 100644
--- a/arch/mips/txx9/Kconfig
+++ b/arch/mips/txx9/Kconfig
@@ -69,6 +69,7 @@ config SOC_TX4927
select IRQ_TXX9
select PCI_TX4927
select GPIO_TXX9
+ select HAS_TXX9_ACLC
config SOC_TX4938
bool
@@ -78,6 +79,7 @@ config SOC_TX4938
select IRQ_TXX9
select PCI_TX4927
select GPIO_TXX9
+ select HAS_TXX9_ACLC
config SOC_TX4939
bool
@@ -85,6 +87,7 @@ config SOC_TX4939
select HAS_TXX9_SERIAL
select HW_HAS_PCI
select PCI_TX4927
+ select HAS_TXX9_ACLC
config TXX9_7SEGLED
bool
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 369d863..7f91012 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -876,3 +876,39 @@ void __init txx9_dmac_init(int id, unsigned long baseaddr, int irq,
}
#endif
}
+
+void __init txx9_aclc_init(unsigned long baseaddr, int irq,
+ unsigned int dmac_id,
+ unsigned int dma_chan_out,
+ unsigned int dma_chan_in)
+{
+#if defined(CONFIG_SND_SOC_TXX9ACLC) || \
+ defined(CONFIG_SND_SOC_TXX9ACLC_MODULE)
+ unsigned int dma_base = dmac_id * TXX9_DMA_MAX_NR_CHANNELS;
+ struct resource res[] = {
+ {
+ .start = baseaddr,
+ .end = baseaddr + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = irq,
+ .flags = IORESOURCE_IRQ,
+ }, {
+ .name = "txx9dmac-chan",
+ .start = dma_base + dma_chan_out,
+ .flags = IORESOURCE_DMA,
+ }, {
+ .name = "txx9dmac-chan",
+ .start = dma_base + dma_chan_in,
+ .flags = IORESOURCE_DMA,
+ }
+ };
+ struct platform_device *pdev =
+ platform_device_alloc("txx9aclc-ac97", -1);
+
+ if (!pdev ||
+ platform_device_add_resources(pdev, res, ARRAY_SIZE(res)) ||
+ platform_device_add(pdev))
+ platform_device_put(pdev);
+#endif
+}
diff --git a/arch/mips/txx9/generic/setup_tx4927.c b/arch/mips/txx9/generic/setup_tx4927.c
index 6b681cd..3418b2a 100644
--- a/arch/mips/txx9/generic/setup_tx4927.c
+++ b/arch/mips/txx9/generic/setup_tx4927.c
@@ -265,6 +265,49 @@ void __init tx4927_dmac_init(int memcpy_chan)
TXX9_IRQ_BASE + TX4927_IR_DMA(0), &plat_data);
}
+void __init tx4927_aclc_init(unsigned int dma_chan_out,
+ unsigned int dma_chan_in)
+{
+ u64 pcfg = __raw_readq(&tx4927_ccfgptr->pcfg);
+ __u64 dmasel_mask = 0, dmasel = 0;
+ unsigned long flags;
+
+ if (!(pcfg & TX4927_PCFG_SEL2))
+ return;
+ /* setup DMASEL (playback:ACLC ch0, capture:ACLC ch1) */
+ switch (dma_chan_out) {
+ case 0:
+ dmasel_mask |= TX4927_PCFG_DMASEL0_MASK;
+ dmasel |= TX4927_PCFG_DMASEL0_ACL0;
+ break;
+ case 2:
+ dmasel_mask |= TX4927_PCFG_DMASEL2_MASK;
+ dmasel |= TX4927_PCFG_DMASEL2_ACL0;
+ break;
+ default:
+ return;
+ }
+ switch (dma_chan_in) {
+ case 1:
+ dmasel_mask |= TX4927_PCFG_DMASEL1_MASK;
+ dmasel |= TX4927_PCFG_DMASEL1_ACL1;
+ break;
+ case 3:
+ dmasel_mask |= TX4927_PCFG_DMASEL3_MASK;
+ dmasel |= TX4927_PCFG_DMASEL3_ACL1;
+ break;
+ default:
+ return;
+ }
+ local_irq_save(flags);
+ txx9_clear64(&tx4927_ccfgptr->pcfg, dmasel_mask);
+ txx9_set64(&tx4927_ccfgptr->pcfg, dmasel);
+ local_irq_restore(flags);
+ txx9_aclc_init(TX4927_ACLC_REG & 0xfffffffffULL,
+ TXX9_IRQ_BASE + TX4927_IR_ACLC,
+ 0, dma_chan_out, dma_chan_in);
+}
+
static void __init tx4927_stop_unused_modules(void)
{
__u64 pcfg, rst = 0, ckd = 0;
diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c
index b2b8529..4dfdb52 100644
--- a/arch/mips/txx9/generic/setup_tx4938.c
+++ b/arch/mips/txx9/generic/setup_tx4938.c
@@ -414,6 +414,17 @@ void __init tx4938_dmac_init(int memcpy_chan0, int memcpy_chan1)
}
}
+void __init tx4938_aclc_init(void)
+{
+ u64 pcfg = __raw_readq(&tx4938_ccfgptr->pcfg);
+
+ if ((pcfg & TX4938_PCFG_SEL2) &&
+ !(pcfg & TX4938_PCFG_ETH0_SEL))
+ txx9_aclc_init(TX4938_ACLC_REG & 0xfffffffffULL,
+ TXX9_IRQ_BASE + TX4938_IR_ACLC,
+ 1, 0, 1);
+}
+
static void __init tx4938_stop_unused_modules(void)
{
__u64 pcfg, rst = 0, ckd = 0;
diff --git a/arch/mips/txx9/generic/setup_tx4939.c b/arch/mips/txx9/generic/setup_tx4939.c
index 98effef..7139686 100644
--- a/arch/mips/txx9/generic/setup_tx4939.c
+++ b/arch/mips/txx9/generic/setup_tx4939.c
@@ -485,6 +485,15 @@ void __init tx4939_dmac_init(int memcpy_chan0, int memcpy_chan1)
}
}
+void __init tx4939_aclc_init(void)
+{
+ u64 pcfg = __raw_readq(&tx4939_ccfgptr->pcfg);
+
+ if ((pcfg & TX4939_PCFG_I2SMODE_MASK) == TX4939_PCFG_I2SMODE_ACLC)
+ txx9_aclc_init(TX4939_ACLC_REG & 0xfffffffffULL,
+ TXX9_IRQ_BASE + TX4939_IR_ACLC, 1, 0, 1);
+}
+
static void __init tx4939_stop_unused_modules(void)
{
__u64 pcfg, rst = 0, ckd = 0;
diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c
index 332cdbc..ee468ea 100644
--- a/arch/mips/txx9/rbtx4927/setup.c
+++ b/arch/mips/txx9/rbtx4927/setup.c
@@ -337,10 +337,14 @@ static void __init rbtx4927_device_init(void)
rbtx4927_ne_init();
tx4927_wdt_init();
rbtx4927_mtd_init();
- if (TX4927_REV_PCODE() == 0x4927)
+ if (TX4927_REV_PCODE() == 0x4927) {
tx4927_dmac_init(2);
- else
+ tx4927_aclc_init(0, 1);
+ } else {
tx4938_dmac_init(0, 2);
+ tx4938_aclc_init();
+ }
+ platform_device_register_simple("txx9aclc-generic", -1, NULL, 0);
txx9_iocled_init(RBTX4927_LED_ADDR - IO_BASE, -1, 3, 1, "green", NULL);
rbtx4927_gpioled_init();
}
diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c
index 37c5e3d..8da66e9 100644
--- a/arch/mips/txx9/rbtx4938/setup.c
+++ b/arch/mips/txx9/rbtx4938/setup.c
@@ -356,6 +356,8 @@ static void __init rbtx4938_device_init(void)
tx4938_ndfmc_init(10, 35);
tx4938_ata_init(RBTX4938_IRQ_IOC_ATA, 0, 1);
tx4938_dmac_init(0, 2);
+ tx4938_aclc_init();
+ platform_device_register_simple("txx9aclc-generic", -1, NULL, 0);
txx9_iocled_init(RBTX4938_LED_ADDR - IO_BASE, -1, 8, 1, "green", NULL);
}
diff --git a/arch/mips/txx9/rbtx4939/setup.c b/arch/mips/txx9/rbtx4939/setup.c
index 91f2ec8..d5ad5ab 100644
--- a/arch/mips/txx9/rbtx4939/setup.c
+++ b/arch/mips/txx9/rbtx4939/setup.c
@@ -499,6 +499,8 @@ static void __init rbtx4939_device_init(void)
tx4939_ata_init();
tx4939_rtc_init();
tx4939_dmac_init(0, 2);
+ tx4939_aclc_init();
+ platform_device_register_simple("txx9aclc-generic", -1, NULL, 0);
}
static void __init rbtx4939_setup(void)
--
1.5.6.5
