[v1] davinci: sound support for Omapl138-Hawkboard

Commit Message

Victor Rodriguez Oct. 1, 2010, 12:50 a.m. UTC

None

Patch

diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c
index fd1f458..d752244 100644
--- a/arch/arm/mach-davinci/board-omapl138-hawk.c
+++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
@@ -13,6 +13,7 @@ 
 #include <linux/init.h>
 #include <linux/console.h>
 #include <linux/gpio.h>
+#include <linux/i2c.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -69,6 +70,87 @@  static int __init omapl138_hawk_config_emac(void)
 }
 device_initcall(omapl138_hawk_config_emac);
 
+static struct i2c_board_info __initdata omapl138_hawk_i2c_devices[] = {
+	{
+		I2C_BOARD_INFO("tlv320aic3x", 0x18),
+	},
+};
+
+static struct davinci_i2c_platform_data omapl138_hawk_i2c_0_pdata = {
+	.bus_freq	= 100,	/* kHz */
+	.bus_delay	= 0,	/* usec */
+};
+
+/* davinci da850 evm audio machine driver */
+static u8 da850_iis_serializer_direction[] = {
+	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
+	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
+	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
+	INACTIVE_MODE,	TX_MODE,	RX_MODE,	INACTIVE_MODE,
+};
+
+static struct snd_platform_data omapl138_hawk_snd_data = {
+	.tx_dma_offset	= 0x2000,
+	.rx_dma_offset	= 0x2000,
+	.op_mode	= DAVINCI_MCASP_IIS_MODE,
+	.num_serializer	= ARRAY_SIZE(da850_iis_serializer_direction),
+	.tdm_slots	= 2,
+	.serial_dir	= da850_iis_serializer_direction,
+	.asp_chan_q	= EVENTQ_1,
+	.version	= MCASP_VERSION_2,
+	.txnumevt	= 1,
+	.rxnumevt	= 1,
+};
+/*
+ * The following EDMA channels/slots are not being used by drivers (for
+ * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
+ * they are being reserved for codecs on the DSP side.
+ */
+static const s16 da850_dma0_rsv_chans[][2] = {
+	/* (offset, number) */
+	{ 8,  6},
+	{24,  4},
+	{30,  2},
+	{-1, -1}
+};
+
+static const s16 da850_dma0_rsv_slots[][2] = {
+	/* (offset, number) */
+	{ 8,  6},
+	{24,  4},
+	{30, 50},
+	{-1, -1}
+};
+
+static const s16 da850_dma1_rsv_chans[][2] = {
+	/* (offset, number) */
+	{ 0, 28},
+	{30,  2},
+	{-1, -1}
+};
+
+static const s16 da850_dma1_rsv_slots[][2] = {
+	/* (offset, number) */
+	{ 0, 28},
+	{30, 90},
+	{-1, -1}
+};
+
+static struct edma_rsv_info da850_edma_cc0_rsv = {
+	.rsv_chans	= da850_dma0_rsv_chans,
+	.rsv_slots	= da850_dma0_rsv_slots,
+};
+
+static struct edma_rsv_info da850_edma_cc1_rsv = {
+	.rsv_chans	= da850_dma1_rsv_chans,
+	.rsv_slots	= da850_dma1_rsv_slots,
+};
+
+static struct edma_rsv_info *da850_edma_rsv[2] = {
+	&da850_edma_cc0_rsv,
+	&da850_edma_cc1_rsv,
+};
+
 static struct davinci_uart_config omapl138_hawk_uart_config __initdata = {
 	.enabled_uarts = 0x7,
 };
@@ -79,6 +161,29 @@  static __init void omapl138_hawk_init(void)
 
 	davinci_serial_init(&omapl138_hawk_uart_config);
 
+
+	ret = da850_register_edma(da850_edma_rsv);
+	if (ret)
+		pr_warning("hawk_init: edma registration failed: %d\n",
+			ret);
+
+	i2c_register_board_info(1, omapl138_hawk_i2c_devices,
+			ARRAY_SIZE(omapl138_hawk_i2c_devices));
+
+	ret = da8xx_register_i2c(0, &omapl138_hawk_i2c_0_pdata);
+	if (ret)
+		pr_warning("omapl138_hawk_init: "
+			"i2c0 registration failed: %d\n",
+				ret);
+
+	ret = davinci_cfg_reg_list(da850_mcasp_pins);
+	if (ret)
+		pr_warning("omapl138_hawk_init: "
+			"mcasp mux setup failed: %d\n",
+				ret);
+	da8xx_register_mcasp(0, &omapl138_hawk_snd_data);
+
+
 	ret = da8xx_register_watchdog();
 	if (ret)
 		pr_warning("omapl138_hawk_init: "
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 63916b9..f033a0a 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -591,7 +591,7 @@  const short da850_cpgmac_pins[] __initdata = {
 const short da850_mcasp_pins[] __initdata = {
 	DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
 	DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
-	DA850_AXR_11, DA850_AXR_12,
+	DA850_AXR_11, DA850_AXR_12, DA850_AXR_13, DA850_AXR_14,
 	-1
 };
 
diff --git a/sound/soc/davinci/Kconfig b/sound/soc/davinci/Kconfig
index 6bbf001..cd29c81 100644
--- a/sound/soc/davinci/Kconfig
+++ b/sound/soc/davinci/Kconfig
@@ -76,8 +76,8 @@  config  SND_DA830_SOC_EVM
 	  DA830/OMAP-L137 EVM
 
 config  SND_DA850_SOC_EVM
-	tristate "SoC Audio support for DA850/OMAP-L138 EVM"
-	depends on SND_DAVINCI_SOC && MACH_DAVINCI_DA850_EVM
+	tristate "SoC Audio support for DA850/OMAP-L138 EVM / Hawkboard"
+	depends on SND_DAVINCI_SOC && (MACH_DAVINCI_DA850_EVM || MACH_OMAPL138_HAWKBOARD)
 	select SND_DAVINCI_SOC_MCASP
 	select SND_SOC_TLV320AIC3X
 	help
diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c
index 97f74d6..73093eb 100644
--- a/sound/soc/davinci/davinci-evm.c
+++ b/sound/soc/davinci/davinci-evm.c
@@ -59,7 +59,8 @@  static int evm_hw_params(struct snd_pcm_substream *substream,
 		sysclk = 12288000;
 
 	else if (machine_is_davinci_da830_evm() ||
-				machine_is_davinci_da850_evm())
+				machine_is_davinci_da850_evm() ||
+				machine_is_omapl138_hawkboard())
 		sysclk = 24576000;
 
 	else
@@ -311,7 +312,8 @@  static int __init evm_init(void)
 	} else if (machine_is_davinci_da830_evm()) {
 		evm_snd_dev_data = &da830_evm_snd_devdata;
 		index = 1;
-	} else if (machine_is_davinci_da850_evm()) {
+	} else if (machine_is_davinci_da850_evm() ||
+			machine_is_omapl138_hawkboard()) {
 		evm_snd_dev_data = &da850_evm_snd_devdata;
 		index = 0;
 	} else