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Commit cdce4e9b authored by Mark Brown's avatar Mark Brown
Browse files

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: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
parent 7245387e

include/sound/wm8904.h

+72 −2
Original line number Diff line number Diff line
@@ -15,6 +15,74 @@ 
#ifndef __MFD_WM8994_PDATA_H__

#define __MFD_WM8994_PDATA_H__



/* 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
@@ -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

sound/soc/codecs/wm8904.c

+12 −0
Original line number Diff line number Diff line
@@ -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.

	 */

sound/soc/codecs/wm8904.h

+0 −64
Original line number Diff line number Diff line
@@ -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

 */