diff options
author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2009-05-19 22:12:22 +0900 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2009-06-17 11:06:25 +0100 |
commit | 742cd5867b2ef7ce865d7ab67574c4e3aa1fb155 (patch) | |
tree | b167001ac5f1c165ff29b4cacd16db94f50c7b77 /arch/mips/txx9/generic | |
parent | e8635b484f644c7873e6091f15330c49396f2cbc (diff) | |
download | linux-742cd5867b2ef7ce865d7ab67574c4e3aa1fb155.tar.bz2 |
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.c | 36 | ||||
-rw-r--r-- | arch/mips/txx9/generic/setup_tx4927.c | 43 | ||||
-rw-r--r-- | arch/mips/txx9/generic/setup_tx4938.c | 11 | ||||
-rw-r--r-- | arch/mips/txx9/generic/setup_tx4939.c | 9 |
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; |