Commit 742cd586 authored by Atsushi Nemoto's avatar Atsushi Nemoto Committed by Ralf Baechle
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MIPS: TXx9: Add ACLC support



Add platform support for ACLC of TXx9 SoCs.
Signed-off-by: default avatarAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Acked-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent e8635b48
......@@ -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 */
......@@ -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 */
......@@ -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
......@@ -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 */
......@@ -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
......
......@@ -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
}
......@@ -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;
......
......@@ -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;
......
......@@ -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;
......
......@@ -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();
}
......
......@@ -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);
}
......
......@@ -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)
......
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