Merge branch 'auto-ftrace-next' into tracing/for-linus

[linux-2.6-omap-h63xx.git] / arch / arm / plat-omap / mcbsp.c

diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index ec50008a2df6421e46275d0ec022231bdf9a3b8f..9cf83c4da9fa116155d8d17b6fb54bd40f99294e 100644 (file)
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -20,8 +20,8 @@
 #include <linux/interrupt.h>
 #include <linux/err.h>
 #include <linux/clk.h>
+#include <linux/delay.h>
 
-#include <asm/delay.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 
@@ -98,9 +98,10 @@ static void omap_mcbsp_dump_reg(u8 id)
 
 static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id)
 {
-       struct omap_mcbsp * mcbsp_tx = (struct omap_mcbsp *)(dev_id);
+       struct omap_mcbsp *mcbsp_tx = dev_id;
 
-       DBG("TX IRQ callback : 0x%x\n", OMAP_MCBSP_READ(mcbsp_tx->io_base, SPCR2));
+       DBG("TX IRQ callback : 0x%x\n",
+           OMAP_MCBSP_READ(mcbsp_tx->io_base, SPCR2));
 
        complete(&mcbsp_tx->tx_irq_completion);
        return IRQ_HANDLED;
@@ -108,9 +109,10 @@ static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id)
 
 static irqreturn_t omap_mcbsp_rx_irq_handler(int irq, void *dev_id)
 {
-       struct omap_mcbsp * mcbsp_rx = (struct omap_mcbsp *)(dev_id);
+       struct omap_mcbsp *mcbsp_rx = dev_id;
 
-       DBG("RX IRQ callback : 0x%x\n", OMAP_MCBSP_READ(mcbsp_rx->io_base, SPCR2));
+       DBG("RX IRQ callback : 0x%x\n",
+           OMAP_MCBSP_READ(mcbsp_rx->io_base, SPCR2));
 
        complete(&mcbsp_rx->rx_irq_completion);
        return IRQ_HANDLED;
@@ -118,9 +120,10 @@ static irqreturn_t omap_mcbsp_rx_irq_handler(int irq, void *dev_id)
 
 static void omap_mcbsp_tx_dma_callback(int lch, u16 ch_status, void *data)
 {
-       struct omap_mcbsp * mcbsp_dma_tx = (struct omap_mcbsp *)(data);
+       struct omap_mcbsp *mcbsp_dma_tx = data;
 
-       DBG("TX DMA callback : 0x%x\n", OMAP_MCBSP_READ(mcbsp_dma_tx->io_base, SPCR2));
+       DBG("TX DMA callback : 0x%x\n",
+           OMAP_MCBSP_READ(mcbsp_dma_tx->io_base, SPCR2));
 
        /* We can free the channels */
        omap_free_dma(mcbsp_dma_tx->dma_tx_lch);
@@ -131,9 +134,10 @@ static void omap_mcbsp_tx_dma_callback(int lch, u16 ch_status, void *data)
 
 static void omap_mcbsp_rx_dma_callback(int lch, u16 ch_status, void *data)
 {
-       struct omap_mcbsp * mcbsp_dma_rx = (struct omap_mcbsp *)(data);
+       struct omap_mcbsp *mcbsp_dma_rx = data;
 
-       DBG("RX DMA callback : 0x%x\n", OMAP_MCBSP_READ(mcbsp_dma_rx->io_base, SPCR2));
+       DBG("RX DMA callback : 0x%x\n",
+           OMAP_MCBSP_READ(mcbsp_dma_rx->io_base, SPCR2));
 
        /* We can free the channels */
        omap_free_dma(mcbsp_dma_rx->dma_rx_lch);
@@ -197,6 +201,14 @@ static int omap_mcbsp_check(unsigned int id)
 static void omap_mcbsp_dsp_request(void)
 {
        if (cpu_is_omap15xx() || cpu_is_omap16xx()) {
+               int ret;
+
+               ret = omap_dsp_request_mem();
+               if (ret < 0) {
+                       printk(KERN_ERR "Could not get dsp memory: %i\n", ret);
+                       return;
+               }
+
                clk_enable(mcbsp_dsp_ck);
                clk_enable(mcbsp_api_ck);
 
@@ -215,6 +227,7 @@ static void omap_mcbsp_dsp_request(void)
 static void omap_mcbsp_dsp_free(void)
 {
        if (cpu_is_omap15xx() || cpu_is_omap16xx()) {
+               omap_dsp_release_mem();
                clk_disable(mcbsp_dspxor_ck);
                clk_disable(mcbsp_dsp_ck);
                clk_disable(mcbsp_api_ck);
@@ -225,11 +238,16 @@ static void omap_mcbsp_dsp_free(void)
 #ifdef CONFIG_ARCH_OMAP2
 static void omap2_mcbsp2_mux_setup(void)
 {
-       omap_cfg_reg(Y15_24XX_MCBSP2_CLKX);
-       omap_cfg_reg(R14_24XX_MCBSP2_FSX);
-       omap_cfg_reg(W15_24XX_MCBSP2_DR);
-       omap_cfg_reg(V15_24XX_MCBSP2_DX);
-       omap_cfg_reg(V14_24XX_GPIO117);
+       if (cpu_is_omap2420()) {
+               omap_cfg_reg(Y15_24XX_MCBSP2_CLKX);
+               omap_cfg_reg(R14_24XX_MCBSP2_FSX);
+               omap_cfg_reg(W15_24XX_MCBSP2_DR);
+               omap_cfg_reg(V15_24XX_MCBSP2_DX);
+               omap_cfg_reg(V14_24XX_GPIO117);
+       }
+       /*
+        * Need to add MUX settings for OMAP 2430 SDP
+        */
 }
 #endif
 
@@ -1015,6 +1033,8 @@ EXPORT_SYMBOL(omap_mcbsp_set_io_type);
 EXPORT_SYMBOL(omap_mcbsp_free);
 EXPORT_SYMBOL(omap_mcbsp_start);
 EXPORT_SYMBOL(omap_mcbsp_stop);
+EXPORT_SYMBOL(omap_mcbsp_pollread);
+EXPORT_SYMBOL(omap_mcbsp_pollwrite);
 EXPORT_SYMBOL(omap_mcbsp_xmit_word);
 EXPORT_SYMBOL(omap_mcbsp_recv_word);
 EXPORT_SYMBOL(omap_mcbsp_xmit_buffer);