summaryrefslogtreecommitdiffstats
path: root/drivers/mfd
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/Kconfig14
-rw-r--r--drivers/mfd/Makefile1
-rw-r--r--drivers/mfd/arizona-core.c132
-rw-r--r--drivers/mfd/wm97xx-core.c366
4 files changed, 382 insertions, 131 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index fc5e4fef89d2..ac5ad6d0837c 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1746,6 +1746,20 @@ config MFD_WM8994
core support for the WM8994, in order to use the actual
functionaltiy of the device other drivers must be enabled.
+config MFD_WM97xx
+ tristate "Wolfson Microelectronics WM97xx"
+ select MFD_CORE
+ select REGMAP_AC97
+ select AC97_BUS_COMPAT
+ depends on AC97_BUS_NEW
+ help
+ The WM9705, WM9712 and WM9713 is a highly integrated hi-fi CODEC
+ designed for smartphone applications. As well as audio functionality
+ it has on board GPIO and a touchscreen functionality which is
+ supported via the relevant subsystems. This driver provides core
+ support for the WM97xx, in order to use the actual functionaltiy of
+ the device other drivers must be enabled.
+
config MFD_STW481X
tristate "Support for ST Microelectronics STw481x"
depends on I2C && (ARCH_NOMADIK || COMPILE_TEST)
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 8703ff17998e..0235e6766bc1 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -74,6 +74,7 @@ obj-$(CONFIG_MFD_WM8350) += wm8350.o
obj-$(CONFIG_MFD_WM8350_I2C) += wm8350-i2c.o
wm8994-objs := wm8994-core.o wm8994-irq.o wm8994-regmap.o
obj-$(CONFIG_MFD_WM8994) += wm8994.o
+obj-$(CONFIG_MFD_WM97xx) += wm97xx-core.o
obj-$(CONFIG_TPS6105X) += tps6105x.o
obj-$(CONFIG_TPS65010) += tps65010.o
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index 8d46e3ad9529..77875250abe5 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -797,12 +797,7 @@ EXPORT_SYMBOL_GPL(arizona_of_get_type);
static int arizona_of_get_core_pdata(struct arizona *arizona)
{
struct arizona_pdata *pdata = &arizona->pdata;
- struct property *prop;
- const __be32 *cur;
- u32 val;
- u32 pdm_val[ARIZONA_MAX_PDM_SPK];
int ret, i;
- int count = 0;
pdata->reset = of_get_named_gpio(arizona->dev->of_node, "wlf,reset", 0);
if (pdata->reset == -EPROBE_DEFER) {
@@ -836,64 +831,6 @@ static int arizona_of_get_core_pdata(struct arizona *arizona)
ret);
}
- of_property_for_each_u32(arizona->dev->of_node, "wlf,inmode", prop,
- cur, val) {
- if (count == ARRAY_SIZE(pdata->inmode))
- break;
-
- pdata->inmode[count] = val;
- count++;
- }
-
- count = 0;
- of_property_for_each_u32(arizona->dev->of_node, "wlf,dmic-ref", prop,
- cur, val) {
- if (count == ARRAY_SIZE(pdata->dmic_ref))
- break;
-
- pdata->dmic_ref[count] = val;
- count++;
- }
-
- count = 0;
- of_property_for_each_u32(arizona->dev->of_node, "wlf,out-mono", prop,
- cur, val) {
- if (count == ARRAY_SIZE(pdata->out_mono))
- break;
-
- pdata->out_mono[count] = !!val;
- count++;
- }
-
- count = 0;
- of_property_for_each_u32(arizona->dev->of_node,
- "wlf,max-channels-clocked",
- prop, cur, val) {
- if (count == ARRAY_SIZE(pdata->max_channels_clocked))
- break;
-
- pdata->max_channels_clocked[count] = val;
- count++;
- }
-
- ret = of_property_read_u32_array(arizona->dev->of_node,
- "wlf,spk-fmt",
- pdm_val,
- ARRAY_SIZE(pdm_val));
-
- if (ret >= 0)
- for (count = 0; count < ARRAY_SIZE(pdata->spk_fmt); ++count)
- pdata->spk_fmt[count] = pdm_val[count];
-
- ret = of_property_read_u32_array(arizona->dev->of_node,
- "wlf,spk-mute",
- pdm_val,
- ARRAY_SIZE(pdm_val));
-
- if (ret >= 0)
- for (count = 0; count < ARRAY_SIZE(pdata->spk_mute); ++count)
- pdata->spk_mute[count] = pdm_val[count];
-
return 0;
}
@@ -1026,7 +963,7 @@ int arizona_dev_init(struct arizona *arizona)
const char * const mclk_name[] = { "mclk1", "mclk2" };
struct device *dev = arizona->dev;
const char *type_name = NULL;
- unsigned int reg, val, mask;
+ unsigned int reg, val;
int (*apply_patch)(struct arizona *) = NULL;
const struct mfd_cell *subdevs = NULL;
int n_subdevs, ret, i;
@@ -1429,73 +1366,6 @@ int arizona_dev_init(struct arizona *arizona)
ARIZONA_MICB1_RATE, val);
}
- for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
- /* Default for both is 0 so noop with defaults */
- val = arizona->pdata.dmic_ref[i]
- << ARIZONA_IN1_DMIC_SUP_SHIFT;
- if (arizona->pdata.inmode[i] & ARIZONA_INMODE_DMIC)
- val |= 1 << ARIZONA_IN1_MODE_SHIFT;
-
- switch (arizona->type) {
- case WM8998:
- case WM1814:
- regmap_update_bits(arizona->regmap,
- ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 8),
- ARIZONA_IN1L_SRC_SE_MASK,
- (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
- << ARIZONA_IN1L_SRC_SE_SHIFT);
-
- regmap_update_bits(arizona->regmap,
- ARIZONA_ADC_DIGITAL_VOLUME_1R + (i * 8),
- ARIZONA_IN1R_SRC_SE_MASK,
- (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
- << ARIZONA_IN1R_SRC_SE_SHIFT);
-
- mask = ARIZONA_IN1_DMIC_SUP_MASK |
- ARIZONA_IN1_MODE_MASK;
- break;
- default:
- if (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)
- val |= 1 << ARIZONA_IN1_SINGLE_ENDED_SHIFT;
-
- mask = ARIZONA_IN1_DMIC_SUP_MASK |
- ARIZONA_IN1_MODE_MASK |
- ARIZONA_IN1_SINGLE_ENDED_MASK;
- break;
- }
-
- regmap_update_bits(arizona->regmap,
- ARIZONA_IN1L_CONTROL + (i * 8),
- mask, val);
- }
-
- for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
- /* Default is 0 so noop with defaults */
- if (arizona->pdata.out_mono[i])
- val = ARIZONA_OUT1_MONO;
- else
- val = 0;
-
- regmap_update_bits(arizona->regmap,
- ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8),
- ARIZONA_OUT1_MONO, val);
- }
-
- for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) {
- if (arizona->pdata.spk_mute[i])
- regmap_update_bits(arizona->regmap,
- ARIZONA_PDM_SPK1_CTRL_1 + (i * 2),
- ARIZONA_SPK1_MUTE_ENDIAN_MASK |
- ARIZONA_SPK1_MUTE_SEQ1_MASK,
- arizona->pdata.spk_mute[i]);
-
- if (arizona->pdata.spk_fmt[i])
- regmap_update_bits(arizona->regmap,
- ARIZONA_PDM_SPK1_CTRL_2 + (i * 2),
- ARIZONA_SPK1_FMT_MASK,
- arizona->pdata.spk_fmt[i]);
- }
-
pm_runtime_set_active(arizona->dev);
pm_runtime_enable(arizona->dev);
diff --git a/drivers/mfd/wm97xx-core.c b/drivers/mfd/wm97xx-core.c
new file mode 100644
index 000000000000..4141ee52a70b
--- /dev/null
+++ b/drivers/mfd/wm97xx-core.c
@@ -0,0 +1,366 @@
+/*
+ * Wolfson WM97xx -- Core device
+ *
+ * Copyright (C) 2017 Robert Jarzmik
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Features:
+ * - an AC97 audio codec
+ * - a touchscreen driver
+ * - a GPIO block
+ */
+
+#include <linux/device.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/wm97xx.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/wm97xx.h>
+#include <sound/ac97/codec.h>
+#include <sound/ac97/compat.h>
+
+#define WM9705_VENDOR_ID 0x574d4c05
+#define WM9712_VENDOR_ID 0x574d4c12
+#define WM9713_VENDOR_ID 0x574d4c13
+#define WM97xx_VENDOR_ID_MASK 0xffffffff
+
+struct wm97xx_priv {
+ struct regmap *regmap;
+ struct snd_ac97 *ac97;
+ struct device *dev;
+ struct wm97xx_platform_data codec_pdata;
+};
+
+static bool wm97xx_readable_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case AC97_RESET ... AC97_PCM_SURR_DAC_RATE:
+ case AC97_PCM_LR_ADC_RATE:
+ case AC97_CENTER_LFE_MASTER:
+ case AC97_SPDIF ... AC97_LINE1_LEVEL:
+ case AC97_GPIO_CFG ... 0x5c:
+ case AC97_CODEC_CLASS_REV ... AC97_PCI_SID:
+ case 0x74 ... AC97_VENDOR_ID2:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool wm97xx_writeable_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case AC97_VENDOR_ID1:
+ case AC97_VENDOR_ID2:
+ return false;
+ default:
+ return wm97xx_readable_reg(dev, reg);
+ }
+}
+
+static const struct reg_default wm9705_reg_defaults[] = {
+ { 0x02, 0x8000 },
+ { 0x04, 0x8000 },
+ { 0x06, 0x8000 },
+ { 0x0a, 0x8000 },
+ { 0x0c, 0x8008 },
+ { 0x0e, 0x8008 },
+ { 0x10, 0x8808 },
+ { 0x12, 0x8808 },
+ { 0x14, 0x8808 },
+ { 0x16, 0x8808 },
+ { 0x18, 0x8808 },
+ { 0x1a, 0x0000 },
+ { 0x1c, 0x8000 },
+ { 0x20, 0x0000 },
+ { 0x22, 0x0000 },
+ { 0x26, 0x000f },
+ { 0x28, 0x0605 },
+ { 0x2a, 0x0000 },
+ { 0x2c, 0xbb80 },
+ { 0x32, 0xbb80 },
+ { 0x34, 0x2000 },
+ { 0x5a, 0x0000 },
+ { 0x5c, 0x0000 },
+ { 0x72, 0x0808 },
+ { 0x74, 0x0000 },
+ { 0x76, 0x0006 },
+ { 0x78, 0x0000 },
+ { 0x7a, 0x0000 },
+};
+
+static const struct regmap_config wm9705_regmap_config = {
+ .reg_bits = 16,
+ .reg_stride = 2,
+ .val_bits = 16,
+ .max_register = 0x7e,
+ .cache_type = REGCACHE_RBTREE,
+
+ .reg_defaults = wm9705_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm9705_reg_defaults),
+ .volatile_reg = regmap_ac97_default_volatile,
+ .readable_reg = wm97xx_readable_reg,
+ .writeable_reg = wm97xx_writeable_reg,
+};
+
+static struct mfd_cell wm9705_cells[] = {
+ { .name = "wm9705-codec", },
+ { .name = "wm97xx-ts", },
+};
+
+static bool wm9712_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case AC97_REC_GAIN:
+ return true;
+ default:
+ return regmap_ac97_default_volatile(dev, reg);
+ }
+}
+
+static const struct reg_default wm9712_reg_defaults[] = {
+ { 0x02, 0x8000 },
+ { 0x04, 0x8000 },
+ { 0x06, 0x8000 },
+ { 0x08, 0x0f0f },
+ { 0x0a, 0xaaa0 },
+ { 0x0c, 0xc008 },
+ { 0x0e, 0x6808 },
+ { 0x10, 0xe808 },
+ { 0x12, 0xaaa0 },
+ { 0x14, 0xad00 },
+ { 0x16, 0x8000 },
+ { 0x18, 0xe808 },
+ { 0x1a, 0x3000 },
+ { 0x1c, 0x8000 },
+ { 0x20, 0x0000 },
+ { 0x22, 0x0000 },
+ { 0x26, 0x000f },
+ { 0x28, 0x0605 },
+ { 0x2a, 0x0410 },
+ { 0x2c, 0xbb80 },
+ { 0x2e, 0xbb80 },
+ { 0x32, 0xbb80 },
+ { 0x34, 0x2000 },
+ { 0x4c, 0xf83e },
+ { 0x4e, 0xffff },
+ { 0x50, 0x0000 },
+ { 0x52, 0x0000 },
+ { 0x56, 0xf83e },
+ { 0x58, 0x0008 },
+ { 0x5c, 0x0000 },
+ { 0x60, 0xb032 },
+ { 0x62, 0x3e00 },
+ { 0x64, 0x0000 },
+ { 0x76, 0x0006 },
+ { 0x78, 0x0001 },
+ { 0x7a, 0x0000 },
+};
+
+static const struct regmap_config wm9712_regmap_config = {
+ .reg_bits = 16,
+ .reg_stride = 2,
+ .val_bits = 16,
+ .max_register = 0x7e,
+ .cache_type = REGCACHE_RBTREE,
+
+ .reg_defaults = wm9712_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm9712_reg_defaults),
+ .volatile_reg = wm9712_volatile_reg,
+ .readable_reg = wm97xx_readable_reg,
+ .writeable_reg = wm97xx_writeable_reg,
+};
+
+static struct mfd_cell wm9712_cells[] = {
+ { .name = "wm9712-codec", },
+ { .name = "wm97xx-ts", },
+};
+
+static const struct reg_default wm9713_reg_defaults[] = {
+ { 0x02, 0x8080 }, /* Speaker Output Volume */
+ { 0x04, 0x8080 }, /* Headphone Output Volume */
+ { 0x06, 0x8080 }, /* Out3/OUT4 Volume */
+ { 0x08, 0xc880 }, /* Mono Volume */
+ { 0x0a, 0xe808 }, /* LINEIN Volume */
+ { 0x0c, 0xe808 }, /* DAC PGA Volume */
+ { 0x0e, 0x0808 }, /* MIC PGA Volume */
+ { 0x10, 0x00da }, /* MIC Routing Control */
+ { 0x12, 0x8000 }, /* Record PGA Volume */
+ { 0x14, 0xd600 }, /* Record Routing */
+ { 0x16, 0xaaa0 }, /* PCBEEP Volume */
+ { 0x18, 0xaaa0 }, /* VxDAC Volume */
+ { 0x1a, 0xaaa0 }, /* AUXDAC Volume */
+ { 0x1c, 0x0000 }, /* Output PGA Mux */
+ { 0x1e, 0x0000 }, /* DAC 3D control */
+ { 0x20, 0x0f0f }, /* DAC Tone Control*/
+ { 0x22, 0x0040 }, /* MIC Input Select & Bias */
+ { 0x24, 0x0000 }, /* Output Volume Mapping & Jack */
+ { 0x26, 0x7f00 }, /* Powerdown Ctrl/Stat*/
+ { 0x28, 0x0405 }, /* Extended Audio ID */
+ { 0x2a, 0x0410 }, /* Extended Audio Start/Ctrl */
+ { 0x2c, 0xbb80 }, /* Audio DACs Sample Rate */
+ { 0x2e, 0xbb80 }, /* AUXDAC Sample Rate */
+ { 0x32, 0xbb80 }, /* Audio ADCs Sample Rate */
+ { 0x36, 0x4523 }, /* PCM codec control */
+ { 0x3a, 0x2000 }, /* SPDIF control */
+ { 0x3c, 0xfdff }, /* Powerdown 1 */
+ { 0x3e, 0xffff }, /* Powerdown 2 */
+ { 0x40, 0x0000 }, /* General Purpose */
+ { 0x42, 0x0000 }, /* Fast Power-Up Control */
+ { 0x44, 0x0080 }, /* MCLK/PLL Control */
+ { 0x46, 0x0000 }, /* MCLK/PLL Control */
+
+ { 0x4c, 0xfffe }, /* GPIO Pin Configuration */
+ { 0x4e, 0xffff }, /* GPIO Pin Polarity / Type */
+ { 0x50, 0x0000 }, /* GPIO Pin Sticky */
+ { 0x52, 0x0000 }, /* GPIO Pin Wake-Up */
+ /* GPIO Pin Status */
+ { 0x56, 0xfffe }, /* GPIO Pin Sharing */
+ { 0x58, 0x4000 }, /* GPIO PullUp/PullDown */
+ { 0x5a, 0x0000 }, /* Additional Functions 1 */
+ { 0x5c, 0x0000 }, /* Additional Functions 2 */
+ { 0x60, 0xb032 }, /* ALC Control */
+ { 0x62, 0x3e00 }, /* ALC / Noise Gate Control */
+ { 0x64, 0x0000 }, /* AUXDAC input control */
+ { 0x74, 0x0000 }, /* Digitiser Reg 1 */
+ { 0x76, 0x0006 }, /* Digitiser Reg 2 */
+ { 0x78, 0x0001 }, /* Digitiser Reg 3 */
+ { 0x7a, 0x0000 }, /* Digitiser Read Back */
+};
+
+static const struct regmap_config wm9713_regmap_config = {
+ .reg_bits = 16,
+ .reg_stride = 2,
+ .val_bits = 16,
+ .max_register = 0x7e,
+ .cache_type = REGCACHE_RBTREE,
+
+ .reg_defaults = wm9713_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm9713_reg_defaults),
+ .volatile_reg = regmap_ac97_default_volatile,
+ .readable_reg = wm97xx_readable_reg,
+ .writeable_reg = wm97xx_writeable_reg,
+};
+
+static struct mfd_cell wm9713_cells[] = {
+ { .name = "wm9713-codec", },
+ { .name = "wm97xx-ts", },
+};
+
+static int wm97xx_ac97_probe(struct ac97_codec_device *adev)
+{
+ struct wm97xx_priv *wm97xx;
+ const struct regmap_config *config;
+ struct wm97xx_platform_data *codec_pdata;
+ struct mfd_cell *cells;
+ int ret = -ENODEV, nb_cells, i;
+ struct wm97xx_pdata *pdata = snd_ac97_codec_get_platdata(adev);
+
+ wm97xx = devm_kzalloc(ac97_codec_dev2dev(adev),
+ sizeof(*wm97xx), GFP_KERNEL);
+ if (!wm97xx)
+ return -ENOMEM;
+
+ wm97xx->dev = ac97_codec_dev2dev(adev);
+ wm97xx->ac97 = snd_ac97_compat_alloc(adev);
+ if (IS_ERR(wm97xx->ac97))
+ return PTR_ERR(wm97xx->ac97);
+
+
+ ac97_set_drvdata(adev, wm97xx);
+ dev_info(wm97xx->dev, "wm97xx core found, id=0x%x\n",
+ adev->vendor_id);
+
+ codec_pdata = &wm97xx->codec_pdata;
+ codec_pdata->ac97 = wm97xx->ac97;
+ codec_pdata->batt_pdata = pdata->batt_pdata;
+
+ switch (adev->vendor_id) {
+ case WM9705_VENDOR_ID:
+ config = &wm9705_regmap_config;
+ cells = wm9705_cells;
+ nb_cells = ARRAY_SIZE(wm9705_cells);
+ break;
+ case WM9712_VENDOR_ID:
+ config = &wm9712_regmap_config;
+ cells = wm9712_cells;
+ nb_cells = ARRAY_SIZE(wm9712_cells);
+ break;
+ case WM9713_VENDOR_ID:
+ config = &wm9713_regmap_config;
+ cells = wm9713_cells;
+ nb_cells = ARRAY_SIZE(wm9713_cells);
+ break;
+ default:
+ goto err_free_compat;
+ }
+
+ for (i = 0; i < nb_cells; i++) {
+ cells[i].platform_data = codec_pdata;
+ cells[i].pdata_size = sizeof(*codec_pdata);
+ }
+
+ codec_pdata->regmap = devm_regmap_init_ac97(wm97xx->ac97, config);
+ if (IS_ERR(codec_pdata->regmap)) {
+ ret = PTR_ERR(codec_pdata->regmap);
+ goto err_free_compat;
+ }
+
+ ret = devm_mfd_add_devices(wm97xx->dev, PLATFORM_DEVID_NONE,
+ cells, nb_cells, NULL, 0, NULL);
+ if (ret)
+ goto err_free_compat;
+
+ return ret;
+
+err_free_compat:
+ snd_ac97_compat_release(wm97xx->ac97);
+ return ret;
+}
+
+static int wm97xx_ac97_remove(struct ac97_codec_device *adev)
+{
+ struct wm97xx_priv *wm97xx = ac97_get_drvdata(adev);
+
+ snd_ac97_compat_release(wm97xx->ac97);
+
+ return 0;
+}
+
+static const struct ac97_id wm97xx_ac97_ids[] = {
+ { .id = WM9705_VENDOR_ID, .mask = WM97xx_VENDOR_ID_MASK },
+ { .id = WM9712_VENDOR_ID, .mask = WM97xx_VENDOR_ID_MASK },
+ { .id = WM9713_VENDOR_ID, .mask = WM97xx_VENDOR_ID_MASK },
+ { }
+};
+
+static struct ac97_codec_driver wm97xx_ac97_driver = {
+ .driver = {
+ .name = "wm97xx-core",
+ },
+ .probe = wm97xx_ac97_probe,
+ .remove = wm97xx_ac97_remove,
+ .id_table = wm97xx_ac97_ids,
+};
+
+static int __init wm97xx_module_init(void)
+{
+ return snd_ac97_codec_driver_register(&wm97xx_ac97_driver);
+}
+module_init(wm97xx_module_init);
+
+static void __exit wm97xx_module_exit(void)
+{
+ snd_ac97_codec_driver_unregister(&wm97xx_ac97_driver);
+}
+module_exit(wm97xx_module_exit);
+
+MODULE_DESCRIPTION("WM9712, WM9713 core driver");
+MODULE_AUTHOR("Robert Jarzmik <robert.jarzmik@free.fr>");
+MODULE_LICENSE("GPL");
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 18:09:34 +0000