From cdce4e9ba7ff86a5f43b971a9af88b25a3f6c9a4 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 16 Mar 2010 12:01:28 +0000 Subject: [PATCH] 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 Acked-by: Liam Girdwood --- include/sound/wm8904.h | 74 +++++++++++++++++++++++++++++++++++++-- sound/soc/codecs/wm8904.c | 12 +++++++ sound/soc/codecs/wm8904.h | 64 --------------------------------- 3 files changed, 84 insertions(+), 66 deletions(-) diff --git a/include/sound/wm8904.h b/include/sound/wm8904.h index d66575a601be..ddeeebf7c426 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 diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c index 593e47d0e0eb..ce3f004217ae 100644 --- a/sound/soc/codecs/wm8904.c +++ b/sound/soc/codecs/wm8904.c @@ -2425,6 +2425,7 @@ EXPORT_SYMBOL_GPL(soc_codec_dev_wm8904); static int wm8904_register(struct wm8904_priv *wm8904, enum snd_soc_control_type control) { + struct wm8904_pdata *pdata = wm8904->pdata; int ret; struct snd_soc_codec *codec = &wm8904->codec; int i; @@ -2530,6 +2531,17 @@ static int wm8904_register(struct wm8904_priv *wm8904, WM8904_LINEOUTRZC; wm8904->reg_cache[WM8904_CLOCK_RATES_0] &= ~WM8904_SR_MODE; + /* Apply configuration from the platform data. */ + if (wm8904->pdata) { + for (i = 0; i < WM8904_GPIO_REGS; i++) { + if (!pdata->gpio_cfg[i]) + continue; + + wm8904->reg_cache[WM8904_GPIO_CONTROL_1 + i] + = pdata->gpio_cfg[i] & 0xffff; + } + } + /* Set Class W by default - this will be managed by the Class * G widget at runtime where bypass paths are available. */ diff --git a/sound/soc/codecs/wm8904.h b/sound/soc/codecs/wm8904.h index b68886df34e4..10603a75c1a5 100644 --- a/sound/soc/codecs/wm8904.h +++ b/sound/soc/codecs/wm8904.h @@ -1199,70 +1199,6 @@ extern struct snd_soc_codec_device soc_codec_dev_wm8904; #define WM8904_FLL_CLK_REF_SRC_SHIFT 0 /* FLL_CLK_REF_SRC - [1:0] */ #define WM8904_FLL_CLK_REF_SRC_WIDTH 2 /* FLL_CLK_REF_SRC - [1:0] */ -/* - * 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] */ - /* * R126 (0x7E) - Digital Pulls */