[v2,3/4] OMAP4: hwmod: add entries for DMIC driver

Commit Message

David Lambert Jan. 6, 2011, 2 p.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 7274db4..f9b2ad3 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -383,6 +383,95 @@  static struct omap_hwmod omap44xx_l4_wkup_hwmod = {
 };
 
 /*
+ * 'dmic' class
+ * digital microphone controller
+ */
+
+static struct omap_hwmod_class_sysconfig omap44xx_dmic_sysc = {
+	.rev_offs	= 0x0000,
+	.sysc_offs	= 0x0010,
+	.sysc_flags	= (SYSC_HAS_EMUFREE | SYSC_HAS_RESET_STATUS |
+			   SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET),
+	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
+	.sysc_fields	= &omap_hwmod_sysc_type2,
+};
+
+static struct omap_hwmod_class omap44xx_dmic_hwmod_class = {
+	.name = "omap-dmic",
+	.sysc = &omap44xx_dmic_sysc,
+};
+
+/* dmic */
+static struct omap_hwmod omap44xx_dmic_hwmod;
+static struct omap_hwmod_irq_info omap44xx_dmic_irqs[] = {
+	{ .irq = 114 + OMAP44XX_IRQ_GIC_START },
+};
+
+static struct omap_hwmod_dma_info omap44xx_dmic_sdma_reqs[] = {
+	{ .dma_req = 66 + OMAP44XX_DMA_REQ_START },
+};
+
+static struct omap_hwmod_addr_space omap44xx_dmic_addrs[] = {
+	{
+		.pa_start	= 0x4012e000,
+		.pa_end		= 0x4012e07f,
+		.flags		= ADDR_TYPE_RT
+	},
+};
+
+/* l4_abe -> dmic */
+static struct omap_hwmod_ocp_if omap44xx_l4_abe__dmic = {
+	.master		= &omap44xx_l4_abe_hwmod,
+	.slave		= &omap44xx_dmic_hwmod,
+	.clk		= "ocp_abe_iclk",
+	.addr		= omap44xx_dmic_addrs,
+	.addr_cnt	= ARRAY_SIZE(omap44xx_dmic_addrs),
+	.user		= OCP_USER_MPU,
+};
+
+static struct omap_hwmod_addr_space omap44xx_dmic_dma_addrs[] = {
+	{
+		.pa_start	= 0x4902e000,
+		.pa_end		= 0x4902e07f,
+		.flags		= ADDR_TYPE_RT
+	},
+};
+
+/* l4_abe -> dmic (dma) */
+static struct omap_hwmod_ocp_if omap44xx_l4_abe__dmic_dma = {
+	.master		= &omap44xx_l4_abe_hwmod,
+	.slave		= &omap44xx_dmic_hwmod,
+	.clk		= "ocp_abe_iclk",
+	.addr		= omap44xx_dmic_dma_addrs,
+	.addr_cnt	= ARRAY_SIZE(omap44xx_dmic_dma_addrs),
+	.user		= OCP_USER_SDMA,
+};
+
+/* dmic slave ports */
+static struct omap_hwmod_ocp_if *omap44xx_dmic_slaves[] = {
+	&omap44xx_l4_abe__dmic,
+	&omap44xx_l4_abe__dmic_dma,
+};
+
+static struct omap_hwmod omap44xx_dmic_hwmod = {
+	.name		= "omap-dmic",
+	.class		= &omap44xx_dmic_hwmod_class,
+	.mpu_irqs	= omap44xx_dmic_irqs,
+	.mpu_irqs_cnt	= ARRAY_SIZE(omap44xx_dmic_irqs),
+	.sdma_reqs	= omap44xx_dmic_sdma_reqs,
+	.sdma_reqs_cnt	= ARRAY_SIZE(omap44xx_dmic_sdma_reqs),
+	.main_clk	= "dmic_fck",
+	.prcm = {
+		.omap4 = {
+			.clkctrl_reg = OMAP4430_CM1_ABE_DMIC_CLKCTRL,
+		},
+	},
+	.slaves		= omap44xx_dmic_slaves,
+	.slaves_cnt	= ARRAY_SIZE(omap44xx_dmic_slaves),
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
+};
+
+/*
  * 'mpu_bus' class
  * instance(s): mpu_private
  */
@@ -826,6 +915,8 @@  static __initdata struct omap_hwmod *omap44xx_hwmods[] = {
 	&omap44xx_l4_cfg_hwmod,
 	&omap44xx_l4_per_hwmod,
 	&omap44xx_l4_wkup_hwmod,
+	/* dmic class */
+	&omap44xx_dmic_hwmod,
 	/* mpu_bus class */
 	&omap44xx_mpu_private_hwmod,
 
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index fc81912..b347f75 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -72,6 +72,40 @@  void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
 
 /*-------------------------------------------------------------------------*/
 
+#if defined(CONFIG_SND_OMAP_SOC_DMIC) || \
+	defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE)
+
+static struct omap_device_pm_latency omap_dmic_latency[] = {
+	{
+		.deactivate_func = omap_device_idle_hwmods,
+		.activate_func = omap_device_enable_hwmods,
+		.flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
+	},
+};
+
+static void omap_init_dmic(void)
+{
+	struct omap_hwmod *oh;
+	struct omap_device *od;
+
+	oh = omap_hwmod_lookup("omap-dmic");
+	if (!oh) {
+		printk(KERN_ERR "Could not look up dmic hw_mod\n");
+		return;
+	}
+
+	od = omap_device_build("omap-dmic-dai", -1, oh, NULL, 0,
+				omap_dmic_latency,
+				ARRAY_SIZE(omap_dmic_latency), 0);
+	if (IS_ERR(od))
+		printk(KERN_ERR "Could not build omap_device for omap-dmic-dai\n");
+}
+#else
+static inline void omap_init_dmic(void) {}
+#endif
+
+/*-------------------------------------------------------------------------*/
+
 #if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \
 		defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE)
 
@@ -328,6 +362,7 @@  static int __init omap_init_devices(void)
 	/* please keep these calls, and their implementations above,
 	 * in alphabetical order so they're easier to sort through.
 	 */
+	omap_init_dmic();
 	omap_init_rng();
 	omap_init_mcpdm();
 	omap_init_uwire();