From 742cd5867b2ef7ce865d7ab67574c4e3aa1fb155 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 May 2009 22:12:22 +0900 Subject: [PATCH] MIPS: TXx9: Add ACLC support Add platform support for ACLC of TXx9 SoCs. Signed-off-by: Atsushi Nemoto Acked-by: Mark Brown Signed-off-by: Ralf Baechle --- 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 9cde0090cbf..8169477d147 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 d92ae07000d..18c98c52afd 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 0758a0c411b..54e467410a0 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 1be9798a26b..f13b708de61 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 0db7cf38ed8..852ae4bb7a8 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 369d8637217..7f910125761 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 6b681cd7f8f..3418b2a90f7 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 b2b85293cd4..4dfdb52e866 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 98effef64fd..71396863f54 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 332cdbc7fce..ee468eaee4f 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 37c5e3d2028..8da66e956ee 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 91f2ec8fa27..d5ad5abb80d 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) -- 2.20.1