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Diffstat (limited to 'arch/arm/mach-omap1/mcbsp.c')
-rw-r--r--arch/arm/mach-omap1/mcbsp.c394
1 files changed, 315 insertions, 79 deletions
diff --git a/arch/arm/mach-omap1/mcbsp.c b/arch/arm/mach-omap1/mcbsp.c
index b3a796a6da0..8ed67f8d176 100644
--- a/arch/arm/mach-omap1/mcbsp.c
+++ b/arch/arm/mach-omap1/mcbsp.c
@@ -10,6 +10,7 @@
*
* Multichannel mode not supported.
*/
+#include <linux/ioport.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/clk.h>
@@ -18,11 +19,14 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
+#include <linux/omap-dma.h>
+#include <mach/mux.h>
+#include "soc.h"
+#include <linux/platform_data/asoc-ti-mcbsp.h>
+
#include <mach/irqs.h>
-#include <plat/dma.h>
-#include <plat/mux.h>
-#include <plat/cpu.h>
-#include <plat/mcbsp.h>
+
+#include "iomap.h"
#define DPS_RSTCT2_PER_EN (1 << 0)
#define DSP_RSTCT2_WD_PER_EN (1 << 1)
@@ -30,6 +34,7 @@
static int dsp_use;
static struct clk *api_clk;
static struct clk *dsp_clk;
+static struct platform_device **omap_mcbsp_devices;
static void omap1_mcbsp_request(unsigned int id)
{
@@ -37,7 +42,7 @@ static void omap1_mcbsp_request(unsigned int id)
* On 1510, 1610 and 1710, McBSP1 and McBSP3
* are DSP public peripherals.
*/
- if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) {
+ if (id == 0 || id == 2) {
if (dsp_use++ == 0) {
api_clk = clk_get(NULL, "api_ck");
dsp_clk = clk_get(NULL, "dsp_ck");
@@ -58,7 +63,7 @@ static void omap1_mcbsp_request(unsigned int id)
static void omap1_mcbsp_free(unsigned int id)
{
- if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) {
+ if (id == 0 || id == 2) {
if (--dsp_use == 0) {
if (!IS_ERR(api_clk)) {
clk_disable(api_clk);
@@ -77,134 +82,365 @@ static struct omap_mcbsp_ops omap1_mcbsp_ops = {
.free = omap1_mcbsp_free,
};
+#define OMAP7XX_MCBSP1_BASE 0xfffb1000
+#define OMAP7XX_MCBSP2_BASE 0xfffb1800
+
+#define OMAP1510_MCBSP1_BASE 0xe1011800
+#define OMAP1510_MCBSP2_BASE 0xfffb1000
+#define OMAP1510_MCBSP3_BASE 0xe1017000
+
+#define OMAP1610_MCBSP1_BASE 0xe1011800
+#define OMAP1610_MCBSP2_BASE 0xfffb1000
+#define OMAP1610_MCBSP3_BASE 0xe1017000
+
#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
+struct resource omap7xx_mcbsp_res[][6] = {
+ {
+ {
+ .start = OMAP7XX_MCBSP1_BASE,
+ .end = OMAP7XX_MCBSP1_BASE + SZ_256,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "rx",
+ .start = INT_7XX_McBSP1RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "tx",
+ .start = INT_7XX_McBSP1TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "rx",
+ .start = 9,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .name = "tx",
+ .start = 8,
+ .flags = IORESOURCE_DMA,
+ },
+ },
+ {
+ {
+ .start = OMAP7XX_MCBSP2_BASE,
+ .end = OMAP7XX_MCBSP2_BASE + SZ_256,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "rx",
+ .start = INT_7XX_McBSP2RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "tx",
+ .start = INT_7XX_McBSP2TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "rx",
+ .start = 11,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .name = "tx",
+ .start = 10,
+ .flags = IORESOURCE_DMA,
+ },
+ },
+};
+
+#define omap7xx_mcbsp_res_0 omap7xx_mcbsp_res[0]
+
static struct omap_mcbsp_platform_data omap7xx_mcbsp_pdata[] = {
{
- .phys_base = OMAP7XX_MCBSP1_BASE,
- .dma_rx_sync = OMAP_DMA_MCBSP1_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP1_TX,
- .rx_irq = INT_7XX_McBSP1RX,
- .tx_irq = INT_7XX_McBSP1TX,
.ops = &omap1_mcbsp_ops,
},
{
- .phys_base = OMAP7XX_MCBSP2_BASE,
- .dma_rx_sync = OMAP_DMA_MCBSP3_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP3_TX,
- .rx_irq = INT_7XX_McBSP2RX,
- .tx_irq = INT_7XX_McBSP2TX,
.ops = &omap1_mcbsp_ops,
},
};
-#define OMAP7XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap7xx_mcbsp_pdata)
-#define OMAP7XX_MCBSP_REG_NUM (OMAP_MCBSP_REG_XCERH / sizeof(u16) + 1)
+#define OMAP7XX_MCBSP_RES_SZ ARRAY_SIZE(omap7xx_mcbsp_res[1])
+#define OMAP7XX_MCBSP_COUNT ARRAY_SIZE(omap7xx_mcbsp_res)
#else
+#define omap7xx_mcbsp_res_0 NULL
#define omap7xx_mcbsp_pdata NULL
-#define OMAP7XX_MCBSP_PDATA_SZ 0
-#define OMAP7XX_MCBSP_REG_NUM 0
+#define OMAP7XX_MCBSP_RES_SZ 0
+#define OMAP7XX_MCBSP_COUNT 0
#endif
#ifdef CONFIG_ARCH_OMAP15XX
+struct resource omap15xx_mcbsp_res[][6] = {
+ {
+ {
+ .start = OMAP1510_MCBSP1_BASE,
+ .end = OMAP1510_MCBSP1_BASE + SZ_256,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "rx",
+ .start = INT_McBSP1RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "tx",
+ .start = INT_McBSP1TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "rx",
+ .start = 9,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .name = "tx",
+ .start = 8,
+ .flags = IORESOURCE_DMA,
+ },
+ },
+ {
+ {
+ .start = OMAP1510_MCBSP2_BASE,
+ .end = OMAP1510_MCBSP2_BASE + SZ_256,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "rx",
+ .start = INT_1510_SPI_RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "tx",
+ .start = INT_1510_SPI_TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "rx",
+ .start = 17,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .name = "tx",
+ .start = 16,
+ .flags = IORESOURCE_DMA,
+ },
+ },
+ {
+ {
+ .start = OMAP1510_MCBSP3_BASE,
+ .end = OMAP1510_MCBSP3_BASE + SZ_256,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "rx",
+ .start = INT_McBSP3RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "tx",
+ .start = INT_McBSP3TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "rx",
+ .start = 11,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .name = "tx",
+ .start = 10,
+ .flags = IORESOURCE_DMA,
+ },
+ },
+};
+
+#define omap15xx_mcbsp_res_0 omap15xx_mcbsp_res[0]
+
static struct omap_mcbsp_platform_data omap15xx_mcbsp_pdata[] = {
{
- .phys_base = OMAP1510_MCBSP1_BASE,
- .dma_rx_sync = OMAP_DMA_MCBSP1_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP1_TX,
- .rx_irq = INT_McBSP1RX,
- .tx_irq = INT_McBSP1TX,
.ops = &omap1_mcbsp_ops,
},
{
- .phys_base = OMAP1510_MCBSP2_BASE,
- .dma_rx_sync = OMAP_DMA_MCBSP2_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP2_TX,
- .rx_irq = INT_1510_SPI_RX,
- .tx_irq = INT_1510_SPI_TX,
.ops = &omap1_mcbsp_ops,
},
{
- .phys_base = OMAP1510_MCBSP3_BASE,
- .dma_rx_sync = OMAP_DMA_MCBSP3_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP3_TX,
- .rx_irq = INT_McBSP3RX,
- .tx_irq = INT_McBSP3TX,
.ops = &omap1_mcbsp_ops,
},
};
-#define OMAP15XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap15xx_mcbsp_pdata)
-#define OMAP15XX_MCBSP_REG_NUM (OMAP_MCBSP_REG_XCERH / sizeof(u16) + 1)
+#define OMAP15XX_MCBSP_RES_SZ ARRAY_SIZE(omap15xx_mcbsp_res[1])
+#define OMAP15XX_MCBSP_COUNT ARRAY_SIZE(omap15xx_mcbsp_res)
#else
+#define omap15xx_mcbsp_res_0 NULL
#define omap15xx_mcbsp_pdata NULL
-#define OMAP15XX_MCBSP_PDATA_SZ 0
-#define OMAP15XX_MCBSP_REG_NUM 0
+#define OMAP15XX_MCBSP_RES_SZ 0
+#define OMAP15XX_MCBSP_COUNT 0
#endif
#ifdef CONFIG_ARCH_OMAP16XX
+struct resource omap16xx_mcbsp_res[][6] = {
+ {
+ {
+ .start = OMAP1610_MCBSP1_BASE,
+ .end = OMAP1610_MCBSP1_BASE + SZ_256,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "rx",
+ .start = INT_McBSP1RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "tx",
+ .start = INT_McBSP1TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "rx",
+ .start = 9,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .name = "tx",
+ .start = 8,
+ .flags = IORESOURCE_DMA,
+ },
+ },
+ {
+ {
+ .start = OMAP1610_MCBSP2_BASE,
+ .end = OMAP1610_MCBSP2_BASE + SZ_256,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "rx",
+ .start = INT_1610_McBSP2_RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "tx",
+ .start = INT_1610_McBSP2_TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "rx",
+ .start = 17,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .name = "tx",
+ .start = 16,
+ .flags = IORESOURCE_DMA,
+ },
+ },
+ {
+ {
+ .start = OMAP1610_MCBSP3_BASE,
+ .end = OMAP1610_MCBSP3_BASE + SZ_256,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "rx",
+ .start = INT_McBSP3RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "tx",
+ .start = INT_McBSP3TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "rx",
+ .start = 11,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .name = "tx",
+ .start = 10,
+ .flags = IORESOURCE_DMA,
+ },
+ },
+};
+
+#define omap16xx_mcbsp_res_0 omap16xx_mcbsp_res[0]
+
static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = {
{
- .phys_base = OMAP1610_MCBSP1_BASE,
- .dma_rx_sync = OMAP_DMA_MCBSP1_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP1_TX,
- .rx_irq = INT_McBSP1RX,
- .tx_irq = INT_McBSP1TX,
.ops = &omap1_mcbsp_ops,
},
{
- .phys_base = OMAP1610_MCBSP2_BASE,
- .dma_rx_sync = OMAP_DMA_MCBSP2_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP2_TX,
- .rx_irq = INT_1610_McBSP2_RX,
- .tx_irq = INT_1610_McBSP2_TX,
.ops = &omap1_mcbsp_ops,
},
{
- .phys_base = OMAP1610_MCBSP3_BASE,
- .dma_rx_sync = OMAP_DMA_MCBSP3_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP3_TX,
- .rx_irq = INT_McBSP3RX,
- .tx_irq = INT_McBSP3TX,
.ops = &omap1_mcbsp_ops,
},
};
-#define OMAP16XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap16xx_mcbsp_pdata)
-#define OMAP16XX_MCBSP_REG_NUM (OMAP_MCBSP_REG_XCERH / sizeof(u16) + 1)
+#define OMAP16XX_MCBSP_RES_SZ ARRAY_SIZE(omap16xx_mcbsp_res[1])
+#define OMAP16XX_MCBSP_COUNT ARRAY_SIZE(omap16xx_mcbsp_res)
#else
+#define omap16xx_mcbsp_res_0 NULL
#define omap16xx_mcbsp_pdata NULL
-#define OMAP16XX_MCBSP_PDATA_SZ 0
-#define OMAP16XX_MCBSP_REG_NUM 0
+#define OMAP16XX_MCBSP_RES_SZ 0
+#define OMAP16XX_MCBSP_COUNT 0
#endif
-int __init omap1_mcbsp_init(void)
+static void omap_mcbsp_register_board_cfg(struct resource *res, int res_count,
+ struct omap_mcbsp_platform_data *config, int size)
{
- if (cpu_is_omap7xx()) {
- omap_mcbsp_count = OMAP7XX_MCBSP_PDATA_SZ;
- omap_mcbsp_cache_size = OMAP7XX_MCBSP_REG_NUM * sizeof(u16);
- } else if (cpu_is_omap15xx()) {
- omap_mcbsp_count = OMAP15XX_MCBSP_PDATA_SZ;
- omap_mcbsp_cache_size = OMAP15XX_MCBSP_REG_NUM * sizeof(u16);
- } else if (cpu_is_omap16xx()) {
- omap_mcbsp_count = OMAP16XX_MCBSP_PDATA_SZ;
- omap_mcbsp_cache_size = OMAP16XX_MCBSP_REG_NUM * sizeof(u16);
+ int i;
+
+ omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *),
+ GFP_KERNEL);
+ if (!omap_mcbsp_devices) {
+ printk(KERN_ERR "Could not register McBSP devices\n");
+ return;
}
- mcbsp_ptr = kzalloc(omap_mcbsp_count * sizeof(struct omap_mcbsp *),
- GFP_KERNEL);
- if (!mcbsp_ptr)
- return -ENOMEM;
+ for (i = 0; i < size; i++) {
+ struct platform_device *new_mcbsp;
+ int ret;
+
+ new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1);
+ if (!new_mcbsp)
+ continue;
+ platform_device_add_resources(new_mcbsp, &res[i * res_count],
+ res_count);
+ config[i].reg_size = 2;
+ config[i].reg_step = 2;
+ new_mcbsp->dev.platform_data = &config[i];
+ ret = platform_device_add(new_mcbsp);
+ if (ret) {
+ platform_device_put(new_mcbsp);
+ continue;
+ }
+ omap_mcbsp_devices[i] = new_mcbsp;
+ }
+}
+
+static int __init omap1_mcbsp_init(void)
+{
+ if (!cpu_class_is_omap1())
+ return -ENODEV;
if (cpu_is_omap7xx())
- omap_mcbsp_register_board_cfg(omap7xx_mcbsp_pdata,
- OMAP7XX_MCBSP_PDATA_SZ);
+ omap_mcbsp_register_board_cfg(omap7xx_mcbsp_res_0,
+ OMAP7XX_MCBSP_RES_SZ,
+ omap7xx_mcbsp_pdata,
+ OMAP7XX_MCBSP_COUNT);
if (cpu_is_omap15xx())
- omap_mcbsp_register_board_cfg(omap15xx_mcbsp_pdata,
- OMAP15XX_MCBSP_PDATA_SZ);
+ omap_mcbsp_register_board_cfg(omap15xx_mcbsp_res_0,
+ OMAP15XX_MCBSP_RES_SZ,
+ omap15xx_mcbsp_pdata,
+ OMAP15XX_MCBSP_COUNT);
if (cpu_is_omap16xx())
- omap_mcbsp_register_board_cfg(omap16xx_mcbsp_pdata,
- OMAP16XX_MCBSP_PDATA_SZ);
+ omap_mcbsp_register_board_cfg(omap16xx_mcbsp_res_0,
+ OMAP16XX_MCBSP_RES_SZ,
+ omap16xx_mcbsp_pdata,
+ OMAP16XX_MCBSP_COUNT);
- return omap_mcbsp_init();
+ return 0;
}
arch_initcall(omap1_mcbsp_init);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-05 07:43:51 +0000