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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2009-05-19 22:12:22 +0900
committerRalf Baechle <ralf@linux-mips.org>2009-06-17 11:06:25 +0100
commit742cd5867b2ef7ce865d7ab67574c4e3aa1fb155 (patch)
treeb167001ac5f1c165ff29b4cacd16db94f50c7b77 /arch/mips/txx9/generic
parente8635b484f644c7873e6091f15330c49396f2cbc (diff)
MIPS: TXx9: Add ACLC support
Add platform support for ACLC of TXx9 SoCs. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/txx9/generic')
-rw-r--r--arch/mips/txx9/generic/setup.c36
-rw-r--r--arch/mips/txx9/generic/setup_tx4927.c43
-rw-r--r--arch/mips/txx9/generic/setup_tx4938.c11
-rw-r--r--arch/mips/txx9/generic/setup_tx4939.c9
4 files changed, 99 insertions, 0 deletions
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 369d8637217d..7f9101257615 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 6b681cd7f8fb..3418b2a90f7e 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 b2b85293cd44..4dfdb52e8665 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 98effef64fdb..71396863f54e 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;