ALSA: ASoC: OMAP: Add support for OMAP2430 and OMAP34xx in McBSP DAI driver
Jarkko Nikula [Thu, 9 Oct 2008 12:57:20 +0000 (15:57 +0300)]
Thanks to Arun KS <arunks@mistralsolutions.com> for fixing one typo in
original version of this patch.

Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/soc/omap/omap-mcbsp.c

index d32eb47..e97e6b2 100644 (file)
@@ -84,11 +84,22 @@ static const unsigned long omap1_mcbsp_port[][2] = {
 static const int omap1_dma_reqs[][2] = {};
 static const unsigned long omap1_mcbsp_port[][2] = {};
 #endif
-#if defined(CONFIG_ARCH_OMAP2420)
-static const int omap2420_dma_reqs[][2] = {
+
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+static const int omap24xx_dma_reqs[][2] = {
        { OMAP24XX_DMA_MCBSP1_TX, OMAP24XX_DMA_MCBSP1_RX },
        { OMAP24XX_DMA_MCBSP2_TX, OMAP24XX_DMA_MCBSP2_RX },
+#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX)
+       { OMAP24XX_DMA_MCBSP3_TX, OMAP24XX_DMA_MCBSP3_RX },
+       { OMAP24XX_DMA_MCBSP4_TX, OMAP24XX_DMA_MCBSP4_RX },
+       { OMAP24XX_DMA_MCBSP5_TX, OMAP24XX_DMA_MCBSP5_RX },
+#endif
 };
+#else
+static const int omap24xx_dma_reqs[][2] = {};
+#endif
+
+#if defined(CONFIG_ARCH_OMAP2420)
 static const unsigned long omap2420_mcbsp_port[][2] = {
        { OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DXR1,
          OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DRR1 },
@@ -96,10 +107,43 @@ static const unsigned long omap2420_mcbsp_port[][2] = {
          OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR1 },
 };
 #else
-static const int omap2420_dma_reqs[][2] = {};
 static const unsigned long omap2420_mcbsp_port[][2] = {};
 #endif
 
+#if defined(CONFIG_ARCH_OMAP2430)
+static const unsigned long omap2430_mcbsp_port[][2] = {
+       { OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DXR,
+         OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DRR },
+       { OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR,
+         OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR },
+       { OMAP2430_MCBSP3_BASE + OMAP_MCBSP_REG_DXR,
+         OMAP2430_MCBSP3_BASE + OMAP_MCBSP_REG_DRR },
+       { OMAP2430_MCBSP4_BASE + OMAP_MCBSP_REG_DXR,
+         OMAP2430_MCBSP4_BASE + OMAP_MCBSP_REG_DRR },
+       { OMAP2430_MCBSP5_BASE + OMAP_MCBSP_REG_DXR,
+         OMAP2430_MCBSP5_BASE + OMAP_MCBSP_REG_DRR },
+};
+#else
+static const unsigned long omap2430_mcbsp_port[][2] = {};
+#endif
+
+#if defined(CONFIG_ARCH_OMAP34XX)
+static const unsigned long omap34xx_mcbsp_port[][2] = {
+       { OMAP34XX_MCBSP1_BASE + OMAP_MCBSP_REG_DXR,
+         OMAP34XX_MCBSP1_BASE + OMAP_MCBSP_REG_DRR },
+       { OMAP34XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR,
+         OMAP34XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR },
+       { OMAP34XX_MCBSP3_BASE + OMAP_MCBSP_REG_DXR,
+         OMAP34XX_MCBSP3_BASE + OMAP_MCBSP_REG_DRR },
+       { OMAP34XX_MCBSP4_BASE + OMAP_MCBSP_REG_DXR,
+         OMAP34XX_MCBSP4_BASE + OMAP_MCBSP_REG_DRR },
+       { OMAP34XX_MCBSP5_BASE + OMAP_MCBSP_REG_DXR,
+         OMAP34XX_MCBSP5_BASE + OMAP_MCBSP_REG_DRR },
+};
+#else
+static const unsigned long omap34xx_mcbsp_port[][2] = {};
+#endif
+
 static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream)
 {
        struct snd_soc_pcm_runtime *rtd = substream->private_data;
@@ -167,12 +211,15 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
                dma = omap1_dma_reqs[bus_id][substream->stream];
                port = omap1_mcbsp_port[bus_id][substream->stream];
        } else if (cpu_is_omap2420()) {
-               dma = omap2420_dma_reqs[bus_id][substream->stream];
+               dma = omap24xx_dma_reqs[bus_id][substream->stream];
                port = omap2420_mcbsp_port[bus_id][substream->stream];
+       } else if (cpu_is_omap2430()) {
+               dma = omap24xx_dma_reqs[bus_id][substream->stream];
+               port = omap2430_mcbsp_port[bus_id][substream->stream];
+       } else if (cpu_is_omap343x()) {
+               dma = omap24xx_dma_reqs[bus_id][substream->stream];
+               port = omap34xx_mcbsp_port[bus_id][substream->stream];
        } else {
-               /*
-                * TODO: Add support for 2430 and 3430
-                */
                return -ENODEV;
        }
        omap_mcbsp_dai_dma_params[id][substream->stream].dma_req = dma;
@@ -315,7 +362,7 @@ static int omap_mcbsp_dai_set_clks_src(struct omap_mcbsp_data *mcbsp_data,
                                       int clk_id)
 {
        int sel_bit;
-       u16 reg;
+       u16 reg, reg_devconf1 = OMAP243X_CONTROL_DEVCONF1;
 
        if (cpu_class_is_omap1()) {
                /* OMAP1's can use only external source clock */
@@ -325,6 +372,12 @@ static int omap_mcbsp_dai_set_clks_src(struct omap_mcbsp_data *mcbsp_data,
                        return 0;
        }
 
+       if (cpu_is_omap2420() && mcbsp_data->bus_id > 1)
+               return -EINVAL;
+
+       if (cpu_is_omap343x())
+               reg_devconf1 = OMAP343X_CONTROL_DEVCONF1;
+
        switch (mcbsp_data->bus_id) {
        case 0:
                reg = OMAP2_CONTROL_DEVCONF0;
@@ -334,20 +387,26 @@ static int omap_mcbsp_dai_set_clks_src(struct omap_mcbsp_data *mcbsp_data,
                reg = OMAP2_CONTROL_DEVCONF0;
                sel_bit = 6;
                break;
-       /* TODO: Support for ports 3 - 5 in OMAP2430 and OMAP34xx */
+       case 2:
+               reg = reg_devconf1;
+               sel_bit = 0;
+               break;
+       case 3:
+               reg = reg_devconf1;
+               sel_bit = 2;
+               break;
+       case 4:
+               reg = reg_devconf1;
+               sel_bit = 4;
+               break;
        default:
                return -EINVAL;
        }
 
-       if (cpu_class_is_omap2()) {
-               if (clk_id == OMAP_MCBSP_SYSCLK_CLKS_FCLK) {
-                       omap_ctrl_writel(omap_ctrl_readl(reg) &
-                                        ~(1 << sel_bit), reg);
-               } else {
-                       omap_ctrl_writel(omap_ctrl_readl(reg) |
-                                        (1 << sel_bit), reg);
-               }
-       }
+       if (clk_id == OMAP_MCBSP_SYSCLK_CLKS_FCLK)
+               omap_ctrl_writel(omap_ctrl_readl(reg) & ~(1 << sel_bit), reg);
+       else
+               omap_ctrl_writel(omap_ctrl_readl(reg) | (1 << sel_bit), reg);
 
        return 0;
 }