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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-03-16 12:01:28 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-03-16 15:58:08 +0000
commitcdce4e9ba7ff86a5f43b971a9af88b25a3f6c9a4 (patch)
treef8993127b71fbdb23f092dcc54cb7021c0e49e47 /include/sound
parent7245387e36e16ae918467685c34510606fd74b7c (diff)
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ASoC: Allow configuration of WM8904 GPIO pin functions
Provide platform data allowing the configuration of the GPIO pins on the WM8904 to be selected, allowing alternate functions to be enabled. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/wm8904.h74
1 files changed, 72 insertions, 2 deletions
diff --git a/include/sound/wm8904.h b/include/sound/wm8904.h
index d66575a601b..ddeeebf7c42 100644
--- a/include/sound/wm8904.h
+++ b/include/sound/wm8904.h
@@ -15,8 +15,76 @@
#ifndef __MFD_WM8994_PDATA_H__
#define __MFD_WM8994_PDATA_H__
-#define WM8904_DRC_REGS 4
-#define WM8904_EQ_REGS 25
+/* Used to enable configuration of a GPIO to all zeros */
+#define WM8904_GPIO_NO_CONFIG 0x8000
+
+/*
+ * R121 (0x79) - GPIO Control 1
+ */
+#define WM8904_GPIO1_PU 0x0020 /* GPIO1_PU */
+#define WM8904_GPIO1_PU_MASK 0x0020 /* GPIO1_PU */
+#define WM8904_GPIO1_PU_SHIFT 5 /* GPIO1_PU */
+#define WM8904_GPIO1_PU_WIDTH 1 /* GPIO1_PU */
+#define WM8904_GPIO1_PD 0x0010 /* GPIO1_PD */
+#define WM8904_GPIO1_PD_MASK 0x0010 /* GPIO1_PD */
+#define WM8904_GPIO1_PD_SHIFT 4 /* GPIO1_PD */
+#define WM8904_GPIO1_PD_WIDTH 1 /* GPIO1_PD */
+#define WM8904_GPIO1_SEL_MASK 0x000F /* GPIO1_SEL - [3:0] */
+#define WM8904_GPIO1_SEL_SHIFT 0 /* GPIO1_SEL - [3:0] */
+#define WM8904_GPIO1_SEL_WIDTH 4 /* GPIO1_SEL - [3:0] */
+
+/*
+ * R122 (0x7A) - GPIO Control 2
+ */
+#define WM8904_GPIO2_PU 0x0020 /* GPIO2_PU */
+#define WM8904_GPIO2_PU_MASK 0x0020 /* GPIO2_PU */
+#define WM8904_GPIO2_PU_SHIFT 5 /* GPIO2_PU */
+#define WM8904_GPIO2_PU_WIDTH 1 /* GPIO2_PU */
+#define WM8904_GPIO2_PD 0x0010 /* GPIO2_PD */
+#define WM8904_GPIO2_PD_MASK 0x0010 /* GPIO2_PD */
+#define WM8904_GPIO2_PD_SHIFT 4 /* GPIO2_PD */
+#define WM8904_GPIO2_PD_WIDTH 1 /* GPIO2_PD */
+#define WM8904_GPIO2_SEL_MASK 0x000F /* GPIO2_SEL - [3:0] */
+#define WM8904_GPIO2_SEL_SHIFT 0 /* GPIO2_SEL - [3:0] */
+#define WM8904_GPIO2_SEL_WIDTH 4 /* GPIO2_SEL - [3:0] */
+
+/*
+ * R123 (0x7B) - GPIO Control 3
+ */
+#define WM8904_GPIO3_PU 0x0020 /* GPIO3_PU */
+#define WM8904_GPIO3_PU_MASK 0x0020 /* GPIO3_PU */
+#define WM8904_GPIO3_PU_SHIFT 5 /* GPIO3_PU */
+#define WM8904_GPIO3_PU_WIDTH 1 /* GPIO3_PU */
+#define WM8904_GPIO3_PD 0x0010 /* GPIO3_PD */
+#define WM8904_GPIO3_PD_MASK 0x0010 /* GPIO3_PD */
+#define WM8904_GPIO3_PD_SHIFT 4 /* GPIO3_PD */
+#define WM8904_GPIO3_PD_WIDTH 1 /* GPIO3_PD */
+#define WM8904_GPIO3_SEL_MASK 0x000F /* GPIO3_SEL - [3:0] */
+#define WM8904_GPIO3_SEL_SHIFT 0 /* GPIO3_SEL - [3:0] */
+#define WM8904_GPIO3_SEL_WIDTH 4 /* GPIO3_SEL - [3:0] */
+
+/*
+ * R124 (0x7C) - GPIO Control 4
+ */
+#define WM8904_GPI7_ENA 0x0200 /* GPI7_ENA */
+#define WM8904_GPI7_ENA_MASK 0x0200 /* GPI7_ENA */
+#define WM8904_GPI7_ENA_SHIFT 9 /* GPI7_ENA */
+#define WM8904_GPI7_ENA_WIDTH 1 /* GPI7_ENA */
+#define WM8904_GPI8_ENA 0x0100 /* GPI8_ENA */
+#define WM8904_GPI8_ENA_MASK 0x0100 /* GPI8_ENA */
+#define WM8904_GPI8_ENA_SHIFT 8 /* GPI8_ENA */
+#define WM8904_GPI8_ENA_WIDTH 1 /* GPI8_ENA */
+#define WM8904_GPIO_BCLK_MODE_ENA 0x0080 /* GPIO_BCLK_MODE_ENA */
+#define WM8904_GPIO_BCLK_MODE_ENA_MASK 0x0080 /* GPIO_BCLK_MODE_ENA */
+#define WM8904_GPIO_BCLK_MODE_ENA_SHIFT 7 /* GPIO_BCLK_MODE_ENA */
+#define WM8904_GPIO_BCLK_MODE_ENA_WIDTH 1 /* GPIO_BCLK_MODE_ENA */
+#define WM8904_GPIO_BCLK_SEL_MASK 0x000F /* GPIO_BCLK_SEL - [3:0] */
+#define WM8904_GPIO_BCLK_SEL_SHIFT 0 /* GPIO_BCLK_SEL - [3:0] */
+#define WM8904_GPIO_BCLK_SEL_WIDTH 4 /* GPIO_BCLK_SEL - [3:0] */
+
+#define WM8904_GPIO_REGS 4
+#define WM8904_DRC_REGS 4
+#define WM8904_EQ_REGS 25
/**
* DRC configurations are specified with a label and a set of register
@@ -52,6 +120,8 @@ struct wm8904_pdata {
int num_retune_mobile_cfgs;
struct wm8904_retune_mobile_cfg *retune_mobile_cfgs;
+
+ u32 gpio_cfg[WM8904_GPIO_REGS];
};
#endif