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-rw-r--r--arch/arm/mach-davinci/board-da830-evm.c2
-rw-r--r--arch/arm/mach-davinci/board-da850-evm.c2
-rw-r--r--arch/arm/mach-davinci/board-dm646x-evm.c4
-rw-r--r--arch/arm/mach-davinci/include/mach/asp.h51
-rw-r--r--arch/arm/mach-ep93xx/clock.c67
-rw-r--r--arch/arm/mach-ep93xx/core.c67
-rw-r--r--arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h10
-rw-r--r--arch/arm/mach-ep93xx/include/mach/platform.h3
-rw-r--r--arch/arm/mach-ep93xx/snappercl15.c1
-rw-r--r--arch/arm/mach-kirkwood/common.c38
-rw-r--r--arch/arm/mach-kirkwood/common.h2
-rw-r--r--arch/arm/mach-kirkwood/include/mach/kirkwood.h3
-rw-r--r--arch/arm/mach-kirkwood/openrd-setup.c13
-rw-r--r--arch/arm/mach-omap2/mcbsp.c10
-rw-r--r--arch/arm/plat-mxc/include/mach/ssi.h3
-rw-r--r--arch/arm/plat-omap/include/plat/mcbsp.h2
-rw-r--r--arch/arm/plat-omap/mcbsp.c51
-rw-r--r--arch/arm/plat-orion/include/plat/audio.h11
-rw-r--r--arch/um/drivers/hostaudio_kern.c6
19 files changed, 319 insertions, 27 deletions
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index 212d97084bd..bc384d3561d 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -208,7 +208,7 @@ static struct snd_platform_data da830_evm_snd_data = {
.num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
.tdm_slots = 2,
.serial_dir = da830_iis_serializer_direction,
- .eventq_no = EVENTQ_0,
+ .asp_chan_q = EVENTQ_0,
.version = MCASP_VERSION_2,
.txnumevt = 1,
.rxnumevt = 1,
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index b280efb1fa1..e8c81909026 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -343,7 +343,7 @@ static struct snd_platform_data da850_evm_snd_data = {
.num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
.tdm_slots = 2,
.serial_dir = da850_iis_serializer_direction,
- .eventq_no = EVENTQ_1,
+ .asp_chan_q = EVENTQ_1,
.version = MCASP_VERSION_2,
.txnumevt = 1,
.rxnumevt = 1,
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 6d8889342c9..87521f2d69c 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -323,7 +323,7 @@ static struct snd_platform_data dm646x_evm_snd_data[] = {
.num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
.tdm_slots = 2,
.serial_dir = dm646x_iis_serializer_direction,
- .eventq_no = EVENTQ_0,
+ .asp_chan_q = EVENTQ_0,
},
{
.tx_dma_offset = 0x400,
@@ -332,7 +332,7 @@ static struct snd_platform_data dm646x_evm_snd_data[] = {
.num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
.tdm_slots = 32,
.serial_dir = dm646x_dit_serializer_direction,
- .eventq_no = EVENTQ_0,
+ .asp_chan_q = EVENTQ_0,
},
};
diff --git a/arch/arm/mach-davinci/include/mach/asp.h b/arch/arm/mach-davinci/include/mach/asp.h
index 834725f1e81..9aa240909a2 100644
--- a/arch/arm/mach-davinci/include/mach/asp.h
+++ b/arch/arm/mach-davinci/include/mach/asp.h
@@ -52,7 +52,8 @@
struct snd_platform_data {
u32 tx_dma_offset;
u32 rx_dma_offset;
- enum dma_event_q eventq_no; /* event queue number */
+ enum dma_event_q asp_chan_q; /* event queue number for ASP channel */
+ enum dma_event_q ram_chan_q; /* event queue number for RAM channel */
unsigned int codec_fmt;
/*
* Allowing this is more efficient and eliminates left and right swaps
@@ -63,6 +64,49 @@ struct snd_platform_data {
unsigned sram_size_playback;
unsigned sram_size_capture;
+ /*
+ * If McBSP peripheral gets the clock from an external pin,
+ * there are three chooses, that are MCBSP_CLKX, MCBSP_CLKR
+ * and MCBSP_CLKS.
+ * Depending on different hardware connections it is possible
+ * to use this setting to change the behaviour of McBSP
+ * driver. The dm365_clk_input_pin enum is available for dm365
+ */
+ int clk_input_pin;
+
+ /*
+ * This flag works when both clock and FS are outputs for the cpu
+ * and makes clock more accurate (FS is not symmetrical and the
+ * clock is very fast.
+ * The clock becoming faster is named
+ * i2s continuous serial clock (I2S_SCK) and it is an externally
+ * visible bit clock.
+ *
+ * first line : WordSelect
+ * second line : ContinuousSerialClock
+ * third line: SerialData
+ *
+ * SYMMETRICAL APPROACH:
+ * _______________________ LEFT
+ * _| RIGHT |______________________|
+ * _ _ _ _ _ _ _ _
+ * _| |_| |_ x16 _| |_| |_| |_| |_ x16 _| |_| |_
+ * _ _ _ _ _ _ _ _
+ * _/ \_/ \_ ... _/ \_/ \_/ \_/ \_ ... _/ \_/ \_
+ * \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/
+ *
+ * ACCURATE CLOCK APPROACH:
+ * ______________ LEFT
+ * _| RIGHT |_______________________________|
+ * _ _ _ _ _ _ _ _ _
+ * _| |_ x16 _| |_| |_ x16 _| |_| |_| |_| |_| |_| |
+ * _ _ _ _ dummy cycles
+ * _/ \_ ... _/ \_/ \_ ... _/ \__________________
+ * \_/ \_/ \_/ \_/
+ *
+ */
+ bool i2s_accurate_sck;
+
/* McASP specific fields */
int tdm_slots;
u8 op_mode;
@@ -78,6 +122,11 @@ enum {
MCASP_VERSION_2, /* DA8xx/OMAPL1x */
};
+enum dm365_clk_input_pin {
+ MCBSP_CLKR = 0, /* DM365 */
+ MCBSP_CLKS,
+};
+
#define INACTIVE_MODE 0
#define TX_MODE 1
#define RX_MODE 2
diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c
index 7f3039761d9..8bf3cec98cf 100644
--- a/arch/arm/mach-ep93xx/clock.c
+++ b/arch/arm/mach-ep93xx/clock.c
@@ -43,7 +43,8 @@ static unsigned long get_uart_rate(struct clk *clk);
static int set_keytchclk_rate(struct clk *clk, unsigned long rate);
static int set_div_rate(struct clk *clk, unsigned long rate);
-
+static int set_i2s_sclk_rate(struct clk *clk, unsigned long rate);
+static int set_i2s_lrclk_rate(struct clk *clk, unsigned long rate);
static struct clk clk_xtali = {
.rate = EP93XX_EXT_CLK_RATE,
@@ -112,6 +113,29 @@ static struct clk clk_video = {
.set_rate = set_div_rate,
};
+static struct clk clk_i2s_mclk = {
+ .sw_locked = 1,
+ .enable_reg = EP93XX_SYSCON_I2SCLKDIV,
+ .enable_mask = EP93XX_SYSCON_CLKDIV_ENABLE,
+ .set_rate = set_div_rate,
+};
+
+static struct clk clk_i2s_sclk = {
+ .sw_locked = 1,
+ .parent = &clk_i2s_mclk,
+ .enable_reg = EP93XX_SYSCON_I2SCLKDIV,
+ .enable_mask = EP93XX_SYSCON_I2SCLKDIV_SENA,
+ .set_rate = set_i2s_sclk_rate,
+};
+
+static struct clk clk_i2s_lrclk = {
+ .sw_locked = 1,
+ .parent = &clk_i2s_sclk,
+ .enable_reg = EP93XX_SYSCON_I2SCLKDIV,
+ .enable_mask = EP93XX_SYSCON_I2SCLKDIV_SENA,
+ .set_rate = set_i2s_lrclk_rate,
+};
+
/* DMA Clocks */
static struct clk clk_m2p0 = {
.parent = &clk_h,
@@ -191,6 +215,9 @@ static struct clk_lookup clocks[] = {
INIT_CK("ep93xx-keypad", NULL, &clk_keypad),
INIT_CK("ep93xx-fb", NULL, &clk_video),
INIT_CK("ep93xx-spi.0", NULL, &clk_spi),
+ INIT_CK("ep93xx-i2s", "mclk", &clk_i2s_mclk),
+ INIT_CK("ep93xx-i2s", "sclk", &clk_i2s_sclk),
+ INIT_CK("ep93xx-i2s", "lrclk", &clk_i2s_lrclk),
INIT_CK(NULL, "pwm_clk", &clk_pwm),
INIT_CK(NULL, "m2p0", &clk_m2p0),
INIT_CK(NULL, "m2p1", &clk_m2p1),
@@ -401,6 +428,44 @@ static int set_div_rate(struct clk *clk, unsigned long rate)
return 0;
}
+static int set_i2s_sclk_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned val = __raw_readl(clk->enable_reg);
+
+ if (rate == clk_i2s_mclk.rate / 2)
+ ep93xx_syscon_swlocked_write(val & ~EP93XX_I2SCLKDIV_SDIV,
+ clk->enable_reg);
+ else if (rate == clk_i2s_mclk.rate / 4)
+ ep93xx_syscon_swlocked_write(val | EP93XX_I2SCLKDIV_SDIV,
+ clk->enable_reg);
+ else
+ return -EINVAL;
+
+ clk_i2s_sclk.rate = rate;
+ return 0;
+}
+
+static int set_i2s_lrclk_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned val = __raw_readl(clk->enable_reg) &
+ ~EP93XX_I2SCLKDIV_LRDIV_MASK;
+
+ if (rate == clk_i2s_sclk.rate / 32)
+ ep93xx_syscon_swlocked_write(val | EP93XX_I2SCLKDIV_LRDIV32,
+ clk->enable_reg);
+ else if (rate == clk_i2s_sclk.rate / 64)
+ ep93xx_syscon_swlocked_write(val | EP93XX_I2SCLKDIV_LRDIV64,
+ clk->enable_reg);
+ else if (rate == clk_i2s_sclk.rate / 128)
+ ep93xx_syscon_swlocked_write(val | EP93XX_I2SCLKDIV_LRDIV128,
+ clk->enable_reg);
+ else
+ return -EINVAL;
+
+ clk_i2s_lrclk.rate = rate;
+ return 0;
+}
+
int clk_set_rate(struct clk *clk, unsigned long rate)
{
if (clk->set_rate)
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 8e37a045188..4cb55d3902f 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -758,6 +758,73 @@ void ep93xx_keypad_release_gpio(struct platform_device *pdev)
}
EXPORT_SYMBOL(ep93xx_keypad_release_gpio);
+/*************************************************************************
+ * EP93xx I2S audio peripheral handling
+ *************************************************************************/
+static struct resource ep93xx_i2s_resource[] = {
+ {
+ .start = EP93XX_I2S_PHYS_BASE,
+ .end = EP93XX_I2S_PHYS_BASE + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device ep93xx_i2s_device = {
+ .name = "ep93xx-i2s",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ep93xx_i2s_resource),
+ .resource = ep93xx_i2s_resource,
+};
+
+void __init ep93xx_register_i2s(void)
+{
+ platform_device_register(&ep93xx_i2s_device);
+}
+
+#define EP93XX_SYSCON_DEVCFG_I2S_MASK (EP93XX_SYSCON_DEVCFG_I2SONSSP | \
+ EP93XX_SYSCON_DEVCFG_I2SONAC97)
+
+#define EP93XX_I2SCLKDIV_MASK (EP93XX_SYSCON_I2SCLKDIV_ORIDE | \
+ EP93XX_SYSCON_I2SCLKDIV_SPOL)
+
+int ep93xx_i2s_acquire(unsigned i2s_pins, unsigned i2s_config)
+{
+ unsigned val;
+
+ /* Sanity check */
+ if (i2s_pins & ~EP93XX_SYSCON_DEVCFG_I2S_MASK)
+ return -EINVAL;
+ if (i2s_config & ~EP93XX_I2SCLKDIV_MASK)
+ return -EINVAL;
+
+ /* Must have only one of I2SONSSP/I2SONAC97 set */
+ if ((i2s_pins & EP93XX_SYSCON_DEVCFG_I2SONSSP) ==
+ (i2s_pins & EP93XX_SYSCON_DEVCFG_I2SONAC97))
+ return -EINVAL;
+
+ ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_I2S_MASK);
+ ep93xx_devcfg_set_bits(i2s_pins);
+
+ /*
+ * This is potentially racy with the clock api for i2s_mclk, sclk and
+ * lrclk. Since the i2s driver is the only user of those clocks we
+ * rely on it to prevent parallel use of this function and the
+ * clock api for the i2s clocks.
+ */
+ val = __raw_readl(EP93XX_SYSCON_I2SCLKDIV);
+ val &= ~EP93XX_I2SCLKDIV_MASK;
+ val |= i2s_config;
+ ep93xx_syscon_swlocked_write(val, EP93XX_SYSCON_I2SCLKDIV);
+
+ return 0;
+}
+EXPORT_SYMBOL(ep93xx_i2s_acquire);
+
+void ep93xx_i2s_release(void)
+{
+ ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_I2S_MASK);
+}
+EXPORT_SYMBOL(ep93xx_i2s_release);
extern void ep93xx_gpio_init(void);
diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
index b1e096f0c2d..c54b3e56ba6 100644
--- a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
+++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
@@ -93,6 +93,7 @@
/* APB peripherals */
#define EP93XX_TIMER_BASE EP93XX_APB_IOMEM(0x00010000)
+#define EP93XX_I2S_PHYS_BASE EP93XX_APB_PHYS(0x00020000)
#define EP93XX_I2S_BASE EP93XX_APB_IOMEM(0x00020000)
#define EP93XX_SECURITY_BASE EP93XX_APB_IOMEM(0x00030000)
@@ -194,6 +195,15 @@
#define EP93XX_SYSCON_CLKDIV_ESEL (1<<14)
#define EP93XX_SYSCON_CLKDIV_PSEL (1<<13)
#define EP93XX_SYSCON_CLKDIV_PDIV_SHIFT 8
+#define EP93XX_SYSCON_I2SCLKDIV EP93XX_SYSCON_REG(0x8c)
+#define EP93XX_SYSCON_I2SCLKDIV_SENA (1<<31)
+#define EP93XX_SYSCON_I2SCLKDIV_ORIDE (1<<29)
+#define EP93XX_SYSCON_I2SCLKDIV_SPOL (1<<19)
+#define EP93XX_I2SCLKDIV_SDIV (1 << 16)
+#define EP93XX_I2SCLKDIV_LRDIV32 (0 << 17)
+#define EP93XX_I2SCLKDIV_LRDIV64 (1 << 17)
+#define EP93XX_I2SCLKDIV_LRDIV128 (2 << 17)
+#define EP93XX_I2SCLKDIV_LRDIV_MASK (3 << 17)
#define EP93XX_SYSCON_KEYTCHCLKDIV EP93XX_SYSCON_REG(0x90)
#define EP93XX_SYSCON_KEYTCHCLKDIV_TSEN (1<<31)
#define EP93XX_SYSCON_KEYTCHCLKDIV_ADIV (1<<16)
diff --git a/arch/arm/mach-ep93xx/include/mach/platform.h b/arch/arm/mach-ep93xx/include/mach/platform.h
index a6c09176334..3330b36d79e 100644
--- a/arch/arm/mach-ep93xx/include/mach/platform.h
+++ b/arch/arm/mach-ep93xx/include/mach/platform.h
@@ -58,6 +58,9 @@ void ep93xx_pwm_release_gpio(struct platform_device *pdev);
void ep93xx_register_keypad(struct ep93xx_keypad_platform_data *data);
int ep93xx_keypad_acquire_gpio(struct platform_device *pdev);
void ep93xx_keypad_release_gpio(struct platform_device *pdev);
+void ep93xx_register_i2s(void);
+int ep93xx_i2s_acquire(unsigned i2s_pins, unsigned i2s_config);
+void ep93xx_i2s_release(void);
void ep93xx_init_devices(void);
extern struct sys_timer ep93xx_timer;
diff --git a/arch/arm/mach-ep93xx/snappercl15.c b/arch/arm/mach-ep93xx/snappercl15.c
index 38deaee4039..a12c8930129 100644
--- a/arch/arm/mach-ep93xx/snappercl15.c
+++ b/arch/arm/mach-ep93xx/snappercl15.c
@@ -157,6 +157,7 @@ static void __init snappercl15_init_machine(void)
ep93xx_register_i2c(&snappercl15_i2c_gpio_data, snappercl15_i2c_data,
ARRAY_SIZE(snappercl15_i2c_data));
ep93xx_register_fb(&snappercl15_fb_info);
+ ep93xx_register_i2s();
platform_device_register(&snappercl15_nand_device);
}
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 9dd67c7b445..1c82d4290da 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -25,6 +25,7 @@
#include <asm/mach/time.h>
#include <mach/kirkwood.h>
#include <mach/bridge-regs.h>
+#include <plat/audio.h>
#include <plat/cache-feroceon-l2.h>
#include <plat/ehci-orion.h>
#include <plat/mvsdio.h>
@@ -871,6 +872,42 @@ struct sys_timer kirkwood_timer = {
.init = kirkwood_timer_init,
};
+/*****************************************************************************
+ * Audio
+ ****************************************************************************/
+static struct resource kirkwood_i2s_resources[] = {
+ [0] = {
+ .start = AUDIO_PHYS_BASE,
+ .end = AUDIO_PHYS_BASE + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_KIRKWOOD_I2S,
+ .end = IRQ_KIRKWOOD_I2S,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct kirkwood_asoc_platform_data kirkwood_i2s_data = {
+ .dram = &kirkwood_mbus_dram_info,
+ .burst = 128,
+};
+
+static struct platform_device kirkwood_i2s_device = {
+ .name = "kirkwood-i2s",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(kirkwood_i2s_resources),
+ .resource = kirkwood_i2s_resources,
+ .dev = {
+ .platform_data = &kirkwood_i2s_data,
+ },
+};
+
+void __init kirkwood_audio_init(void)
+{
+ kirkwood_clk_ctrl |= CGC_AUDIO;
+ platform_device_register(&kirkwood_i2s_device);
+}
/*****************************************************************************
* General
@@ -939,6 +976,7 @@ void __init kirkwood_init(void)
kirkwood_spi_plat_data.tclk = kirkwood_tclk;
kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
+ kirkwood_i2s_data.tclk = kirkwood_tclk;
/*
* Disable propagation of mbus errors to the CPU local bus,
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
index 5b2c1c18d64..95bb0a73adf 100644
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -17,6 +17,7 @@ struct mv_sata_platform_data;
struct mvsdio_platform_data;
struct mtd_partition;
struct mtd_info;
+struct kirkwood_asoc_platform_data;
#define KW_PCIE0 (1 << 0)
#define KW_PCIE1 (1 << 1)
@@ -46,6 +47,7 @@ void kirkwood_uart0_init(void);
void kirkwood_uart1_init(void);
void kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, int delay);
void kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, int (*dev_ready)(struct mtd_info *));
+void kirkwood_audio_init(void);
extern int kirkwood_tclk;
extern struct sys_timer kirkwood_timer;
diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
index d141af4c274..93fc2ec95e7 100644
--- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h
+++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
@@ -111,6 +111,9 @@
#define SDIO_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x90000)
+#define AUDIO_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0xA0000)
+#define AUDIO_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0xA0000)
+
/*
* Supported devices and revisions.
*/
diff --git a/arch/arm/mach-kirkwood/openrd-setup.c b/arch/arm/mach-kirkwood/openrd-setup.c
index fd64cd2b4e0..fd06be61881 100644
--- a/arch/arm/mach-kirkwood/openrd-setup.c
+++ b/arch/arm/mach-kirkwood/openrd-setup.c
@@ -15,6 +15,7 @@
#include <linux/mtd/partitions.h>
#include <linux/ata_platform.h>
#include <linux/mv643xx_eth.h>
+#include <linux/i2c.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
@@ -60,6 +61,12 @@ static unsigned int openrd_mpp_config[] __initdata = {
0
};
+static struct i2c_board_info i2c_board_info[] __initdata = {
+ {
+ I2C_BOARD_INFO("cs42l51", 0x4a),
+ },
+};
+
static void __init openrd_init(void)
{
/*
@@ -86,6 +93,12 @@ static void __init openrd_init(void)
kirkwood_sdio_init(&openrd_mvsdio_data);
kirkwood_i2c_init();
+
+ if (machine_is_openrd_client()) {
+ i2c_register_board_info(0, i2c_board_info,
+ ARRAY_SIZE(i2c_board_info));
+ kirkwood_audio_init();
+ }
}
static int __init openrd_pci_init(void)
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index c29337074ad..8fb5e534555 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -133,7 +133,7 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP1_IRQ_RX,
.tx_irq = INT_24XX_MCBSP1_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .buffer_size = 0x6F,
+ .buffer_size = 0x80, /* The FIFO has 128 locations */
},
{
.phys_base = OMAP34XX_MCBSP2_BASE,
@@ -143,7 +143,7 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP2_IRQ_RX,
.tx_irq = INT_24XX_MCBSP2_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .buffer_size = 0x3FF,
+ .buffer_size = 0x500, /* The FIFO has 1024 + 256 locations */
},
{
.phys_base = OMAP34XX_MCBSP3_BASE,
@@ -153,7 +153,7 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP3_IRQ_RX,
.tx_irq = INT_24XX_MCBSP3_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .buffer_size = 0x6F,
+ .buffer_size = 0x80, /* The FIFO has 128 locations */
},
{
.phys_base = OMAP34XX_MCBSP4_BASE,
@@ -162,7 +162,7 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP4_IRQ_RX,
.tx_irq = INT_24XX_MCBSP4_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .buffer_size = 0x6F,
+ .buffer_size = 0x80, /* The FIFO has 128 locations */
},
{
.phys_base = OMAP34XX_MCBSP5_BASE,
@@ -171,7 +171,7 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP5_IRQ_RX,
.tx_irq = INT_24XX_MCBSP5_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .buffer_size = 0x6F,
+ .buffer_size = 0x80, /* The FIFO has 128 locations */
},
};
#define OMAP34XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap34xx_mcbsp_pdata)
diff --git a/arch/arm/plat-mxc/include/mach/ssi.h b/arch/arm/plat-mxc/include/mach/ssi.h
index c34ded523f1..63f3c280423 100644
--- a/arch/arm/plat-mxc/include/mach/ssi.h
+++ b/arch/arm/plat-mxc/include/mach/ssi.h
@@ -10,6 +10,9 @@ struct imx_ssi_platform_data {
unsigned int flags;
#define IMX_SSI_DMA (1 << 0)
#define IMX_SSI_USE_AC97 (1 << 1)
+#define IMX_SSI_NET (1 << 2)
+#define IMX_SSI_SYN (1 << 3)
+#define IMX_SSI_USE_I2S_SLAVE (1 << 4)
void (*ac97_reset) (struct snd_ac97 *ac97);
void (*ac97_warm_reset)(struct snd_ac97 *ac97);
};
diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h
index 975744f10a5..b4ff6a11a8f 100644
--- a/arch/arm/plat-omap/include/plat/mcbsp.h
+++ b/arch/arm/plat-omap/include/plat/mcbsp.h
@@ -473,6 +473,7 @@ void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold);
void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold);
u16 omap_mcbsp_get_max_tx_threshold(unsigned int id);
u16 omap_mcbsp_get_max_rx_threshold(unsigned int id);
+u16 omap_mcbsp_get_fifo_size(unsigned int id);
u16 omap_mcbsp_get_tx_delay(unsigned int id);
u16 omap_mcbsp_get_rx_delay(unsigned int id);
int omap_mcbsp_get_dma_op_mode(unsigned int id);
@@ -483,6 +484,7 @@ static inline void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold)
{ }
static inline u16 omap_mcbsp_get_max_tx_threshold(unsigned int id) { return 0; }
static inline u16 omap_mcbsp_get_max_rx_threshold(unsigned int id) { return 0; }
+static inline u16 omap_mcbsp_get_fifo_size(unsigned int id) { return 0; }
static inline u16 omap_mcbsp_get_tx_delay(unsigned int id) { return 0; }
static inline u16 omap_mcbsp_get_rx_delay(unsigned int id) { return 0; }
static inline int omap_mcbsp_get_dma_op_mode(unsigned int id) { return 0; }
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index 7e669c9744d..e31496e35b0 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -481,9 +481,9 @@ int omap_st_is_enabled(unsigned int id)
EXPORT_SYMBOL(omap_st_is_enabled);
/*
- * omap_mcbsp_set_tx_threshold configures how to deal
- * with transmit threshold. the threshold value and handler can be
- * configure in here.
+ * omap_mcbsp_set_rx_threshold configures the transmit threshold in words.
+ * The threshold parameter is 1 based, and it is converted (threshold - 1)
+ * for the THRSH2 register.
*/
void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold)
{
@@ -498,14 +498,15 @@ void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold)
}
mcbsp = id_to_mcbsp_ptr(id);
- MCBSP_WRITE(mcbsp, THRSH2, threshold);
+ if (threshold && threshold <= mcbsp->max_tx_thres)
+ MCBSP_WRITE(mcbsp, THRSH2, threshold - 1);
}
EXPORT_SYMBOL(omap_mcbsp_set_tx_threshold);
/*
- * omap_mcbsp_set_rx_threshold configures how to deal
- * with receive threshold. the threshold value and handler can be
- * configure in here.
+ * omap_mcbsp_set_rx_threshold configures the receive threshold in words.
+ * The threshold parameter is 1 based, and it is converted (threshold - 1)
+ * for the THRSH1 register.
*/
void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold)
{
@@ -520,7 +521,8 @@ void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold)
}
mcbsp = id_to_mcbsp_ptr(id);
- MCBSP_WRITE(mcbsp, THRSH1, threshold);
+ if (threshold && threshold <= mcbsp->max_rx_thres)
+ MCBSP_WRITE(mcbsp, THRSH1, threshold - 1);
}
EXPORT_SYMBOL(omap_mcbsp_set_rx_threshold);
@@ -560,8 +562,20 @@ u16 omap_mcbsp_get_max_rx_threshold(unsigned int id)
}
EXPORT_SYMBOL(omap_mcbsp_get_max_rx_threshold);
-#define MCBSP2_FIFO_SIZE 0x500 /* 1024 + 256 locations */
-#define MCBSP1345_FIFO_SIZE 0x80 /* 128 locations */
+u16 omap_mcbsp_get_fifo_size(unsigned int id)
+{
+ struct omap_mcbsp *mcbsp;
+
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
+ return -ENODEV;
+ }
+ mcbsp = id_to_mcbsp_ptr(id);
+
+ return mcbsp->pdata->buffer_size;
+}
+EXPORT_SYMBOL(omap_mcbsp_get_fifo_size);
+
/*
* omap_mcbsp_get_tx_delay returns the number of used slots in the McBSP FIFO
*/
@@ -580,10 +594,7 @@ u16 omap_mcbsp_get_tx_delay(unsigned int id)
buffstat = MCBSP_READ(mcbsp, XBUFFSTAT);
/* Number of slots are different in McBSP ports */
- if (mcbsp->id == 2)
- return MCBSP2_FIFO_SIZE - buffstat;
- else
- return MCBSP1345_FIFO_SIZE - buffstat;
+ return mcbsp->pdata->buffer_size - buffstat;
}
EXPORT_SYMBOL(omap_mcbsp_get_tx_delay);
@@ -1683,8 +1694,16 @@ static inline void __devinit omap34xx_device_init(struct omap_mcbsp *mcbsp)
{
mcbsp->dma_op_mode = MCBSP_DMA_MODE_ELEMENT;
if (cpu_is_omap34xx()) {
- mcbsp->max_tx_thres = max_thres(mcbsp);
- mcbsp->max_rx_thres = max_thres(mcbsp);
+ /*
+ * Initially configure the maximum thresholds to a safe value.
+ * The McBSP FIFO usage with these values should not go under
+ * 16 locations.
+ * If the whole FIFO without safety buffer is used, than there
+ * is a possibility that the DMA will be not able to push the
+ * new data on time, causing channel shifts in runtime.
+ */
+ mcbsp->max_tx_thres = max_thres(mcbsp) - 0x10;
+ mcbsp->max_rx_thres = max_thres(mcbsp) - 0x10;
/*
* REVISIT: Set dmap_op_mode to THRESHOLD as default
* for mcbsp2 instances.
diff --git a/arch/arm/plat-orion/include/plat/audio.h b/arch/arm/plat-orion/include/plat/audio.h
new file mode 100644
index 00000000000..9cf1f781329
--- /dev/null
+++ b/arch/arm/plat-orion/include/plat/audio.h
@@ -0,0 +1,11 @@
+#ifndef __PLAT_AUDIO_H
+#define __PLAT_AUDIO_H
+
+#include <linux/mbus.h>
+
+struct kirkwood_asoc_platform_data {
+ u32 tclk;
+ struct mbus_dram_target_info *dram;
+ int burst;
+};
+#endif
diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c
index ae42695c359..68142df7660 100644
--- a/arch/um/drivers/hostaudio_kern.c
+++ b/arch/um/drivers/hostaudio_kern.c
@@ -8,6 +8,7 @@
#include "linux/slab.h"
#include "linux/sound.h"
#include "linux/soundcard.h"
+#include "linux/smp_lock.h"
#include "asm/uaccess.h"
#include "init.h"
#include "os.h"
@@ -198,7 +199,10 @@ static int hostaudio_open(struct inode *inode, struct file *file)
if (file->f_mode & FMODE_WRITE)
w = 1;
+ lock_kernel();
ret = os_open_file(dsp, of_set_rw(OPENFLAGS(), r, w), 0);
+ unlock_kernel();
+
if (ret < 0) {
kfree(state);
return ret;
@@ -254,7 +258,9 @@ static int hostmixer_open_mixdev(struct inode *inode, struct file *file)
if (file->f_mode & FMODE_WRITE)
w = 1;
+ lock_kernel();
ret = os_open_file(mixer, of_set_rw(OPENFLAGS(), r, w), 0);
+ unlock_kernel();
if (ret < 0) {
printk(KERN_ERR "hostaudio_open_mixdev failed to open '%s', "