| /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| |
| #include <linux/kernel.h> |
| #include <linux/device.h> |
| #include <linux/regmap.h> |
| #include <linux/delay.h> |
| #include <linux/mfd/wcd9xxx/pdata.h> |
| #include <linux/mfd/wcd9xxx/core.h> |
| #include <linux/mfd/wcd9xxx/wcd9xxx-utils.h> |
| #include <linux/mfd/wcd9335/registers.h> |
| #include <linux/mfd/wcd934x/registers.h> |
| #include <linux/mfd/wcd9335/irq.h> |
| #include <linux/mfd/wcd934x/irq.h> |
| |
| /* wcd9335 interrupt table */ |
| static const struct intr_data wcd9335_intr_table[] = { |
| {WCD9XXX_IRQ_SLIMBUS, false}, |
| {WCD9335_IRQ_MBHC_SW_DET, true}, |
| {WCD9335_IRQ_MBHC_BUTTON_PRESS_DET, true}, |
| {WCD9335_IRQ_MBHC_BUTTON_RELEASE_DET, true}, |
| {WCD9335_IRQ_MBHC_ELECT_INS_REM_DET, true}, |
| {WCD9335_IRQ_MBHC_ELECT_INS_REM_LEG_DET, true}, |
| {WCD9335_IRQ_FLL_LOCK_LOSS, false}, |
| {WCD9335_IRQ_HPH_PA_CNPL_COMPLETE, false}, |
| {WCD9335_IRQ_HPH_PA_CNPR_COMPLETE, false}, |
| {WCD9335_IRQ_EAR_PA_CNP_COMPLETE, false}, |
| {WCD9335_IRQ_LINE_PA1_CNP_COMPLETE, false}, |
| {WCD9335_IRQ_LINE_PA2_CNP_COMPLETE, false}, |
| {WCD9335_IRQ_LINE_PA3_CNP_COMPLETE, false}, |
| {WCD9335_IRQ_LINE_PA4_CNP_COMPLETE, false}, |
| {WCD9335_IRQ_HPH_PA_OCPL_FAULT, false}, |
| {WCD9335_IRQ_HPH_PA_OCPR_FAULT, false}, |
| {WCD9335_IRQ_EAR_PA_OCP_FAULT, false}, |
| {WCD9335_IRQ_SOUNDWIRE, false}, |
| {WCD9335_IRQ_VDD_DIG_RAMP_COMPLETE, false}, |
| {WCD9335_IRQ_RCO_ERROR, false}, |
| {WCD9335_IRQ_SVA_ERROR, false}, |
| {WCD9335_IRQ_MAD_AUDIO, false}, |
| {WCD9335_IRQ_MAD_BEACON, false}, |
| {WCD9335_IRQ_SVA_OUTBOX1, true}, |
| {WCD9335_IRQ_SVA_OUTBOX2, true}, |
| {WCD9335_IRQ_MAD_ULTRASOUND, false}, |
| {WCD9335_IRQ_VBAT_ATTACK, false}, |
| {WCD9335_IRQ_VBAT_RESTORE, false}, |
| }; |
| |
| static const struct intr_data wcd934x_intr_table[] = { |
| {WCD9XXX_IRQ_SLIMBUS, false}, |
| {WCD934X_IRQ_MBHC_SW_DET, true}, |
| {WCD934X_IRQ_MBHC_BUTTON_PRESS_DET, true}, |
| {WCD934X_IRQ_MBHC_BUTTON_RELEASE_DET, true}, |
| {WCD934X_IRQ_MBHC_ELECT_INS_REM_DET, true}, |
| {WCD934X_IRQ_MBHC_ELECT_INS_REM_LEG_DET, true}, |
| {WCD934X_IRQ_MISC, false}, |
| {WCD934X_IRQ_HPH_PA_CNPL_COMPLETE, false}, |
| {WCD934X_IRQ_HPH_PA_CNPR_COMPLETE, false}, |
| {WCD934X_IRQ_EAR_PA_CNP_COMPLETE, false}, |
| {WCD934X_IRQ_LINE_PA1_CNP_COMPLETE, false}, |
| {WCD934X_IRQ_LINE_PA2_CNP_COMPLETE, false}, |
| {WCD934X_IRQ_SLNQ_ANALOG_ERROR, false}, |
| {WCD934X_IRQ_RESERVED_3, false}, |
| {WCD934X_IRQ_HPH_PA_OCPL_FAULT, false}, |
| {WCD934X_IRQ_HPH_PA_OCPR_FAULT, false}, |
| {WCD934X_IRQ_EAR_PA_OCP_FAULT, false}, |
| {WCD934X_IRQ_SOUNDWIRE, false}, |
| {WCD934X_IRQ_VDD_DIG_RAMP_COMPLETE, false}, |
| {WCD934X_IRQ_RCO_ERROR, false}, |
| {WCD934X_IRQ_CPE_ERROR, false}, |
| {WCD934X_IRQ_MAD_AUDIO, false}, |
| {WCD934X_IRQ_MAD_BEACON, false}, |
| {WCD934X_IRQ_CPE1_INTR, true}, |
| {WCD934X_IRQ_RESERVED_4, false}, |
| {WCD934X_IRQ_MAD_ULTRASOUND, false}, |
| {WCD934X_IRQ_VBAT_ATTACK, false}, |
| {WCD934X_IRQ_VBAT_RESTORE, false}, |
| }; |
| |
| /* |
| * wcd9335_bring_down: Bringdown WCD Codec |
| * |
| * @wcd9xxx: Pointer to wcd9xxx structure |
| * |
| * Returns 0 for success or negative error code for failure |
| */ |
| static int wcd9335_bring_down(struct wcd9xxx *wcd9xxx) |
| { |
| if (!wcd9xxx || !wcd9xxx->regmap) |
| return -EINVAL; |
| |
| regmap_write(wcd9xxx->regmap, WCD9335_CODEC_RPM_PWR_CDC_DIG_HM_CTL, |
| 0x04); |
| |
| return 0; |
| } |
| |
| /* |
| * wcd9335_bring_up: Bringup WCD Codec |
| * |
| * @wcd9xxx: Pointer to the wcd9xxx structure |
| * |
| * Returns 0 for success or negative error code for failure |
| */ |
| static int wcd9335_bring_up(struct wcd9xxx *wcd9xxx) |
| { |
| int ret = 0; |
| int val, byte0; |
| struct regmap *wcd_regmap; |
| |
| if (!wcd9xxx) |
| return -EINVAL; |
| |
| if (!wcd9xxx->regmap) { |
| dev_err(wcd9xxx->dev, "%s: wcd9xxx regmap is null!\n", |
| __func__); |
| return -EINVAL; |
| } |
| wcd_regmap = wcd9xxx->regmap; |
| |
| regmap_read(wcd_regmap, WCD9335_CHIP_TIER_CTRL_EFUSE_VAL_OUT0, &val); |
| regmap_read(wcd_regmap, WCD9335_CHIP_TIER_CTRL_CHIP_ID_BYTE0, &byte0); |
| |
| if ((val < 0) || (byte0 < 0)) { |
| dev_err(wcd9xxx->dev, "%s: tasha codec version detection fail!\n", |
| __func__); |
| return -EINVAL; |
| } |
| if ((val & 0x80) && (byte0 == 0x0)) { |
| dev_info(wcd9xxx->dev, "%s: wcd9335 codec version is v1.1\n", |
| __func__); |
| regmap_write(wcd_regmap, WCD9335_CODEC_RPM_RST_CTL, 0x01); |
| regmap_write(wcd_regmap, WCD9335_SIDO_SIDO_CCL_2, 0xFC); |
| regmap_write(wcd_regmap, WCD9335_SIDO_SIDO_CCL_4, 0x21); |
| regmap_write(wcd_regmap, WCD9335_CODEC_RPM_PWR_CDC_DIG_HM_CTL, |
| 0x5); |
| regmap_write(wcd_regmap, WCD9335_CODEC_RPM_PWR_CDC_DIG_HM_CTL, |
| 0x7); |
| regmap_write(wcd_regmap, WCD9335_CODEC_RPM_PWR_CDC_DIG_HM_CTL, |
| 0x3); |
| regmap_write(wcd_regmap, WCD9335_CODEC_RPM_RST_CTL, 0x3); |
| } else if (byte0 == 0x1) { |
| dev_info(wcd9xxx->dev, "%s: wcd9335 codec version is v2.0\n", |
| __func__); |
| regmap_write(wcd_regmap, WCD9335_CODEC_RPM_RST_CTL, 0x01); |
| regmap_write(wcd_regmap, WCD9335_SIDO_SIDO_TEST_2, 0x00); |
| regmap_write(wcd_regmap, WCD9335_SIDO_SIDO_CCL_8, 0x6F); |
| regmap_write(wcd_regmap, WCD9335_BIAS_VBG_FINE_ADJ, 0x65); |
| regmap_write(wcd_regmap, WCD9335_CODEC_RPM_PWR_CDC_DIG_HM_CTL, |
| 0x5); |
| regmap_write(wcd_regmap, WCD9335_CODEC_RPM_PWR_CDC_DIG_HM_CTL, |
| 0x7); |
| regmap_write(wcd_regmap, WCD9335_CODEC_RPM_PWR_CDC_DIG_HM_CTL, |
| 0x3); |
| regmap_write(wcd_regmap, WCD9335_CODEC_RPM_RST_CTL, 0x3); |
| } else if ((byte0 == 0) && (!(val & 0x80))) { |
| dev_info(wcd9xxx->dev, "%s: wcd9335 codec version is v1.0\n", |
| __func__); |
| regmap_write(wcd_regmap, WCD9335_CODEC_RPM_RST_CTL, 0x01); |
| regmap_write(wcd_regmap, WCD9335_SIDO_SIDO_CCL_2, 0xFC); |
| regmap_write(wcd_regmap, WCD9335_SIDO_SIDO_CCL_4, 0x21); |
| regmap_write(wcd_regmap, WCD9335_CODEC_RPM_PWR_CDC_DIG_HM_CTL, |
| 0x3); |
| regmap_write(wcd_regmap, WCD9335_CODEC_RPM_RST_CTL, 0x3); |
| } else { |
| dev_err(wcd9xxx->dev, "%s: tasha codec version unknown\n", |
| __func__); |
| ret = -EINVAL; |
| } |
| |
| return ret; |
| } |
| |
| /* |
| * wcd9335_get_cdc_info: Get codec specific information |
| * |
| * @wcd9xxx: pointer to wcd9xxx structure |
| * @wcd_type: pointer to wcd9xxx_codec_type structure |
| * |
| * Returns 0 for success or negative error code for failure |
| */ |
| static int wcd9335_get_cdc_info(struct wcd9xxx *wcd9xxx, |
| struct wcd9xxx_codec_type *wcd_type) |
| { |
| u16 id_minor, id_major; |
| struct regmap *wcd_regmap; |
| int rc, val, version = 0; |
| |
| if (!wcd9xxx || !wcd_type) |
| return -EINVAL; |
| |
| if (!wcd9xxx->regmap) { |
| dev_err(wcd9xxx->dev, "%s: wcd9xxx regmap is null!\n", |
| __func__); |
| return -EINVAL; |
| } |
| wcd_regmap = wcd9xxx->regmap; |
| |
| rc = regmap_bulk_read(wcd_regmap, WCD9335_CHIP_TIER_CTRL_CHIP_ID_BYTE0, |
| (u8 *)&id_minor, sizeof(u16)); |
| if (rc) |
| return -EINVAL; |
| |
| rc = regmap_bulk_read(wcd_regmap, WCD9335_CHIP_TIER_CTRL_CHIP_ID_BYTE2, |
| (u8 *)&id_major, sizeof(u16)); |
| if (rc) |
| return -EINVAL; |
| |
| dev_info(wcd9xxx->dev, "%s: wcd9xxx chip id major 0x%x, minor 0x%x\n", |
| __func__, id_major, id_minor); |
| |
| /* Version detection */ |
| if (id_major == TASHA_MAJOR) { |
| regmap_read(wcd_regmap, WCD9335_CHIP_TIER_CTRL_EFUSE_VAL_OUT0, |
| &val); |
| version = ((u8)val & 0x80) >> 7; |
| } else if (id_major == TASHA2P0_MAJOR) |
| version = 2; |
| else |
| dev_err(wcd9xxx->dev, "%s: wcd9335 version unknown (major 0x%x, minor 0x%x)\n", |
| __func__, id_major, id_minor); |
| |
| /* Fill codec type info */ |
| wcd_type->id_major = id_major; |
| wcd_type->id_minor = id_minor; |
| wcd_type->num_irqs = WCD9335_NUM_IRQS; |
| wcd_type->version = version; |
| wcd_type->slim_slave_type = WCD9XXX_SLIM_SLAVE_ADDR_TYPE_1; |
| wcd_type->i2c_chip_status = 0x01; |
| wcd_type->intr_tbl = wcd9335_intr_table; |
| wcd_type->intr_tbl_size = ARRAY_SIZE(wcd9335_intr_table); |
| |
| wcd_type->intr_reg[WCD9XXX_INTR_STATUS_BASE] = |
| WCD9335_INTR_PIN1_STATUS0; |
| wcd_type->intr_reg[WCD9XXX_INTR_CLEAR_BASE] = |
| WCD9335_INTR_PIN1_CLEAR0; |
| wcd_type->intr_reg[WCD9XXX_INTR_MASK_BASE] = |
| WCD9335_INTR_PIN1_MASK0; |
| wcd_type->intr_reg[WCD9XXX_INTR_LEVEL_BASE] = |
| WCD9335_INTR_LEVEL0; |
| wcd_type->intr_reg[WCD9XXX_INTR_CLR_COMMIT] = |
| WCD9335_INTR_CLR_COMMIT; |
| |
| return rc; |
| } |
| |
| /* |
| * wcd934x_bring_down: Bringdown WCD Codec |
| * |
| * @wcd9xxx: Pointer to wcd9xxx structure |
| * |
| * Returns 0 for success or negative error code for failure |
| */ |
| static int wcd934x_bring_down(struct wcd9xxx *wcd9xxx) |
| { |
| if (!wcd9xxx || !wcd9xxx->regmap) |
| return -EINVAL; |
| |
| regmap_write(wcd9xxx->regmap, WCD934X_CODEC_RPM_PWR_CDC_DIG_HM_CTL, |
| 0x04); |
| |
| return 0; |
| } |
| |
| /* |
| * wcd934x_bring_up: Bringup WCD Codec |
| * |
| * @wcd9xxx: Pointer to the wcd9xxx structure |
| * |
| * Returns 0 for success or negative error code for failure |
| */ |
| static int wcd934x_bring_up(struct wcd9xxx *wcd9xxx) |
| { |
| struct regmap *wcd_regmap; |
| |
| if (!wcd9xxx) |
| return -EINVAL; |
| |
| if (!wcd9xxx->regmap) { |
| dev_err(wcd9xxx->dev, "%s: wcd9xxx regmap is null!\n", |
| __func__); |
| return -EINVAL; |
| } |
| wcd_regmap = wcd9xxx->regmap; |
| |
| regmap_write(wcd_regmap, WCD934X_CODEC_RPM_RST_CTL, 0x01); |
| regmap_write(wcd_regmap, WCD934X_SIDO_NEW_VOUT_A_STARTUP, 0x19); |
| regmap_write(wcd_regmap, WCD934X_SIDO_NEW_VOUT_D_STARTUP, 0x15); |
| /* Add 1msec delay for VOUT to settle */ |
| usleep_range(1000, 1100); |
| regmap_write(wcd_regmap, WCD934X_CODEC_RPM_PWR_CDC_DIG_HM_CTL, 0x5); |
| regmap_write(wcd_regmap, WCD934X_CODEC_RPM_PWR_CDC_DIG_HM_CTL, 0x7); |
| regmap_write(wcd_regmap, WCD934X_CODEC_RPM_RST_CTL, 0x3); |
| regmap_write(wcd_regmap, WCD934X_CODEC_RPM_RST_CTL, 0x7); |
| regmap_write(wcd_regmap, WCD934X_CODEC_RPM_PWR_CDC_DIG_HM_CTL, 0x3); |
| |
| return 0; |
| } |
| |
| /* |
| * wcd934x_get_cdc_info: Get codec specific information |
| * |
| * @wcd9xxx: pointer to wcd9xxx structure |
| * @wcd_type: pointer to wcd9xxx_codec_type structure |
| * |
| * Returns 0 for success or negative error code for failure |
| */ |
| static int wcd934x_get_cdc_info(struct wcd9xxx *wcd9xxx, |
| struct wcd9xxx_codec_type *wcd_type) |
| { |
| u16 id_minor, id_major; |
| struct regmap *wcd_regmap; |
| int rc, version = -1; |
| |
| if (!wcd9xxx || !wcd_type) |
| return -EINVAL; |
| |
| if (!wcd9xxx->regmap) { |
| dev_err(wcd9xxx->dev, "%s: wcd9xxx regmap is null\n", __func__); |
| return -EINVAL; |
| } |
| wcd_regmap = wcd9xxx->regmap; |
| |
| rc = regmap_bulk_read(wcd_regmap, WCD934X_CHIP_TIER_CTRL_CHIP_ID_BYTE0, |
| (u8 *)&id_minor, sizeof(u16)); |
| if (rc) |
| return -EINVAL; |
| |
| rc = regmap_bulk_read(wcd_regmap, WCD934X_CHIP_TIER_CTRL_CHIP_ID_BYTE2, |
| (u8 *)&id_major, sizeof(u16)); |
| if (rc) |
| return -EINVAL; |
| |
| dev_info(wcd9xxx->dev, "%s: wcd9xxx chip id major 0x%x, minor 0x%x\n", |
| __func__, id_major, id_minor); |
| |
| if (id_major != TAVIL_MAJOR) |
| goto version_unknown; |
| |
| /* |
| * As fine version info cannot be retrieved before tavil probe. |
| * Assign coarse versions for possible future use before tavil probe. |
| */ |
| if (id_minor == cpu_to_le16(0)) |
| version = TAVIL_VERSION_1_0; |
| else if (id_minor == cpu_to_le16(0x01)) |
| version = TAVIL_VERSION_1_1; |
| |
| version_unknown: |
| if (version < 0) |
| dev_err(wcd9xxx->dev, "%s: wcd934x version unknown\n", |
| __func__); |
| |
| /* Fill codec type info */ |
| wcd_type->id_major = id_major; |
| wcd_type->id_minor = id_minor; |
| wcd_type->num_irqs = WCD934X_NUM_IRQS; |
| wcd_type->version = version; |
| wcd_type->slim_slave_type = WCD9XXX_SLIM_SLAVE_ADDR_TYPE_1; |
| wcd_type->i2c_chip_status = 0x01; |
| wcd_type->intr_tbl = wcd934x_intr_table; |
| wcd_type->intr_tbl_size = ARRAY_SIZE(wcd934x_intr_table); |
| |
| wcd_type->intr_reg[WCD9XXX_INTR_STATUS_BASE] = |
| WCD934X_INTR_PIN1_STATUS0; |
| wcd_type->intr_reg[WCD9XXX_INTR_CLEAR_BASE] = |
| WCD934X_INTR_PIN1_CLEAR0; |
| wcd_type->intr_reg[WCD9XXX_INTR_MASK_BASE] = |
| WCD934X_INTR_PIN1_MASK0; |
| wcd_type->intr_reg[WCD9XXX_INTR_LEVEL_BASE] = |
| WCD934X_INTR_LEVEL0; |
| wcd_type->intr_reg[WCD9XXX_INTR_CLR_COMMIT] = |
| WCD934X_INTR_CLR_COMMIT; |
| |
| return rc; |
| } |
| |
| codec_bringdown_fn wcd9xxx_bringdown_fn(int type) |
| { |
| codec_bringdown_fn cdc_bdown_fn; |
| |
| switch (type) { |
| case WCD934X: |
| cdc_bdown_fn = wcd934x_bring_down; |
| break; |
| case WCD9335: |
| cdc_bdown_fn = wcd9335_bring_down; |
| break; |
| default: |
| cdc_bdown_fn = NULL; |
| break; |
| } |
| |
| return cdc_bdown_fn; |
| } |
| |
| codec_bringup_fn wcd9xxx_bringup_fn(int type) |
| { |
| codec_bringup_fn cdc_bup_fn; |
| |
| switch (type) { |
| case WCD934X: |
| cdc_bup_fn = wcd934x_bring_up; |
| break; |
| case WCD9335: |
| cdc_bup_fn = wcd9335_bring_up; |
| break; |
| default: |
| cdc_bup_fn = NULL; |
| break; |
| } |
| |
| return cdc_bup_fn; |
| } |
| |
| codec_type_fn wcd9xxx_get_codec_info_fn(int type) |
| { |
| codec_type_fn cdc_type_fn; |
| |
| switch (type) { |
| case WCD934X: |
| cdc_type_fn = wcd934x_get_cdc_info; |
| break; |
| case WCD9335: |
| cdc_type_fn = wcd9335_get_cdc_info; |
| break; |
| default: |
| cdc_type_fn = NULL; |
| break; |
| } |
| |
| return cdc_type_fn; |
| } |
| |