From: Naresh Medisetty <[email protected]>

Registers the platform devices for ASP on dm355, dm644x and dm646x so that the
machine driver can probe to get ASP related platform data.

Signed-off-by: Naresh Medisetty <[email protected]>
---
This patch applies to the DaVinci git tree available at 
http://git.kernel.org/?p=linux/kernel/git/khilman/linux-davinci.git

 arch/arm/mach-davinci/dm355.c            |   24 +++++++++++
 arch/arm/mach-davinci/dm644x.c           |   24 +++++++++++
 arch/arm/mach-davinci/dm646x.c           |   67 ++++++++++++++++++++++++++++++
 arch/arm/mach-davinci/include/mach/asp.h |   39 ++++++++++++++++-
 4 files changed, 152 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index ee92c10..b79e9ac 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -23,6 +23,7 @@
 #include <mach/psc.h>
 #include <mach/mux.h>
 #include <mach/irqs.h>
+#include <mach/asp.h>
 
 #include "clock.h"
 #include "mux.h"
@@ -540,6 +541,28 @@ static struct platform_device dm355_edma_device = {
        .resource               = edma_resources,
 };
 
+/* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
+static struct resource dm355_evm_snd_resources[] = {
+       {
+               .start  = DAVINCI_ASP1_BASE,
+               .end    = DAVINCI_ASP1_BASE + SZ_8K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+};
+
+static struct evm_snd_platform_data dm355_evm_snd_data = {
+       .tx_dma_ch      = DAVINCI_DMA_ASP1_TX,
+       .rx_dma_ch      = DAVINCI_DMA_ASP1_RX,
+};
+
+static struct platform_device dm355_asoc_device = {
+       .name                           = "davinci-asoc",
+       .id                                     = -1,
+       .dev.platform_data      = &dm355_evm_snd_data,
+       .num_resources          = ARRAY_SIZE(dm355_evm_snd_resources),
+       .resource                       = dm355_evm_snd_resources,
+};
+
 /*----------------------------------------------------------------------*/
 
 void __init dm355_init(void)
@@ -555,6 +578,7 @@ static int __init dm355_init_devices(void)
 
        davinci_cfg_reg(DM355_INT_EDMA_CC);
        platform_device_register(&dm355_edma_device);
+       platform_device_register(&dm355_asoc_device);
        return 0;
 }
 postcore_initcall(dm355_init_devices);
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index d1f5790..8921c4f 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -20,6 +20,7 @@
 #include <mach/irqs.h>
 #include <mach/psc.h>
 #include <mach/mux.h>
+#include <mach/asp.h>
 
 #include "clock.h"
 #include "mux.h"
@@ -463,6 +464,28 @@ static struct platform_device dm644x_edma_device = {
        .resource               = edma_resources,
 };
 
+/* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
+static struct resource dm644x_evm_snd_resources[] = {
+       {
+               .start  = DAVINCI_ASP0_BASE,
+               .end    = DAVINCI_ASP0_BASE + SZ_8K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+};
+
+static struct evm_snd_platform_data dm644x_evm_snd_data = {
+       .tx_dma_ch      = DAVINCI_DMA_ASP0_TX,
+       .rx_dma_ch      = DAVINCI_DMA_ASP0_RX,
+};
+
+static struct platform_device dm644x_asoc_device = {
+       .name                           = "davinci-asoc",
+       .id                                     = -1,
+       .dev.platform_data      = &dm644x_evm_snd_data,
+       .num_resources          = ARRAY_SIZE(dm644x_evm_snd_resources),
+       .resource                       = dm644x_evm_snd_resources,
+};
+
 /*----------------------------------------------------------------------*/
 #if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE)
 
@@ -495,6 +518,7 @@ static int __init dm644x_init_devices(void)
                return 0;
 
        platform_device_register(&dm644x_edma_device);
+       platform_device_register(&dm644x_asoc_device);
        return 0;
 }
 postcore_initcall(dm644x_init_devices);
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 6276b31..f26bfcd 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -20,6 +20,7 @@
 #include <mach/irqs.h>
 #include <mach/psc.h>
 #include <mach/mux.h>
+#include <mach/asp.h>
 
 #include "clock.h"
 #include "mux.h"
@@ -499,6 +500,70 @@ static struct platform_device dm646x_edma_device = {
        .resource               = edma_resources,
 };
 
+static u8 dm6467_iis_serializer_direction[] = {
+       TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
+};
+
+static u8 dm6467_dit_serializer_direction[] = {
+       TX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
+};
+
+static struct evm_snd_platform_data dm6467_evm_snd_data[] = {
+       {
+               .clk_name       = "mcasp0",
+               .tx_dma_ch      = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
+               .rx_dma_ch      = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
+               .tx_dma_offset  = 0x400,
+               .rx_dma_offset  = 0x400,
+               .op_mode        = DAVINCI_MCASP_IIS_MODE,
+               .num_serializer = 4,
+               .tdm_slots      = 2,
+               .serial_dir     = dm6467_iis_serializer_direction,
+               .eventq_no      = EVENTQ_0,
+       },
+       {
+               .clk_name       = "mcasp1",
+               .tx_dma_ch      = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
+               .rx_dma_ch      = -1,
+               .tx_dma_offset  = 0x400,
+               .rx_dma_offset  = 0,
+               .op_mode        = DAVINCI_MCASP_DIT_MODE,
+               .num_serializer = 4,
+               .tdm_slots      = 32,
+               .serial_dir     = dm6467_dit_serializer_direction,
+               .eventq_no      = EVENTQ_0,
+       },
+};
+
+static struct resource dm6467_evm_snd_resources[] = {
+       {
+               .name   = "mcasp0",
+               .start  = DAVINCI_DM646X_MCASP0_REG_BASE,
+               .end    = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       {
+               .name   = "mcasp1",
+               .start  = DAVINCI_DM646X_MCASP1_REG_BASE,
+               .end    = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+};
+
+static struct platform_device dm646x_asoc_device = {
+       .name                           = "davinci-asoc",
+       .id                                     = -1,
+       .dev.platform_data      = dm6467_evm_snd_data,
+       .num_resources          = ARRAY_SIZE(dm6467_evm_snd_resources),
+       .resource                       = dm6467_evm_snd_resources,
+};
+
+static struct platform_device dm646x_dit_device = {
+       .name                           = "davinci-dit",
+       .id                                     = -1,
+
+};
+
 /*----------------------------------------------------------------------*/
 
 #if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE)
@@ -532,6 +597,8 @@ static int __init dm646x_init_devices(void)
                return 0;
 
        platform_device_register(&dm646x_edma_device);
+       platform_device_register(&dm646x_asoc_device);
+       platform_device_register(&dm646x_dit_device);
        return 0;
 }
 postcore_initcall(dm646x_init_devices);
diff --git a/arch/arm/mach-davinci/include/mach/asp.h 
b/arch/arm/mach-davinci/include/mach/asp.h
index e0abc43..1bb1f0b 100644
--- a/arch/arm/mach-davinci/include/mach/asp.h
+++ b/arch/arm/mach-davinci/include/mach/asp.h
@@ -5,21 +5,56 @@
 #define __ASM_ARCH_DAVINCI_ASP_H
 
 #include <mach/irqs.h>
+#include <mach/edma.h>
 
-/* Bases of register banks */
+/* Bases of dm644x and dm355 register banks */
 #define DAVINCI_ASP0_BASE      0x01E02000
 #define DAVINCI_ASP1_BASE      0x01E04000
 
-/* EDMA channels */
+
+/* Bases of dm646x register banks */
+#define        DAVINCI_DM646X_MCASP0_REG_BASE          0x01D01000
+#define DAVINCI_DM646X_MCASP1_REG_BASE         0x01D01800
+
+/* EDMA channels of dm644x and dm355 */
 #define DAVINCI_DMA_ASP0_TX    2
 #define DAVINCI_DMA_ASP0_RX    3
 #define DAVINCI_DMA_ASP1_TX    8
 #define DAVINCI_DMA_ASP1_RX    9
 
+
+/* EDMA channels of dm646x */
+#define        DAVINCI_DM646X_DMA_MCASP0_AXEVT0        6
+#define        DAVINCI_DM646X_DMA_MCASP0_AREVT0        9
+#define        DAVINCI_DM646X_DMA_MCASP1_AXEVT1        12
 /* Interrupts */
 #define DAVINCI_ASP0_RX_INT    IRQ_MBRINT
 #define DAVINCI_ASP0_TX_INT    IRQ_MBXINT
 #define DAVINCI_ASP1_RX_INT    IRQ_MBRINT
 #define DAVINCI_ASP1_TX_INT    IRQ_MBXINT
 
+struct evm_snd_platform_data {
+       char *clk_name;
+       int tx_dma_ch;
+       int rx_dma_ch;
+       u32 tx_dma_offset;
+       u32 rx_dma_offset;
+       enum dma_event_q eventq_no;     /* event queue number */
+       unsigned int codec_fmt;
+
+       /* McASP specific fields */
+       int tdm_slots;
+       u8 op_mode;
+       u8 num_serializer;
+       u8 *serial_dir;
+};
+
+#define INACTIVE_MODE  0
+#define TX_MODE                1
+#define RX_MODE                2
+
+#define DAVINCI_MCASP_IIS_MODE 0
+#define DAVINCI_MCASP_DIT_MODE 1
+
+
 #endif /* __ASM_ARCH_DAVINCI_ASP_H */
-- 
1.5.6

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