| /* Copyright (c) 2013, 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. |
| */ |
| |
| #ifndef WCD9XXX_CODEC_COMMON |
| |
| #define WCD9XXX_CODEC_COMMON |
| |
| #include "wcd9xxx-resmgr.h" |
| |
| #define WCD9XXX_CLSH_REQ_ENABLE true |
| #define WCD9XXX_CLSH_REQ_DISABLE false |
| |
| #define WCD9XXX_CLSH_EVENT_PRE_DAC 0x01 |
| #define WCD9XXX_CLSH_EVENT_POST_PA 0x02 |
| |
| /* Basic states for Class H state machine. |
| * represented as a bit mask within a u8 data type |
| * bit 0: EAR mode |
| * bit 1: HPH Left mode |
| * bit 2: HPH Right mode |
| * bit 3: Lineout mode |
| * bit 4: Ultrasound mode |
| */ |
| #define WCD9XXX_CLSH_STATE_IDLE 0x00 |
| #define WCD9XXX_CLSH_STATE_EAR (0x01 << 0) |
| #define WCD9XXX_CLSH_STATE_HPHL (0x01 << 1) |
| #define WCD9XXX_CLSH_STATE_HPHR (0x01 << 2) |
| #define WCD9XXX_CLSH_STATE_LO (0x01 << 3) |
| #define NUM_CLSH_STATES ((0x01 << 4) - 1) |
| |
| /* Derived State: Bits 1 and 2 should be set for Headphone stereo */ |
| #define WCD9XXX_CLSH_STATE_HPH_ST (WCD9XXX_CLSH_STATE_HPHL | \ |
| WCD9XXX_CLSH_STATE_HPHR) |
| |
| |
| struct wcd9xxx_reg_mask_val { |
| u16 reg; |
| u8 mask; |
| u8 val; |
| }; |
| |
| /* Class H data that the codec driver will maintain */ |
| struct wcd9xxx_clsh_cdc_data { |
| u8 state; |
| int buck_mv; |
| bool is_dynamic_vdd_cp; |
| struct wcd9xxx_resmgr *resmgr; |
| }; |
| |
| struct wcd9xxx_anc_header { |
| u32 reserved[3]; |
| u32 num_anc_slots; |
| }; |
| |
| enum wcd9xxx_buck_volt { |
| WCD9XXX_CDC_BUCK_UNSUPPORTED = 0, |
| WCD9XXX_CDC_BUCK_MV_1P8 = 1800000, |
| WCD9XXX_CDC_BUCK_MV_2P15 = 2150000, |
| }; |
| |
| extern void wcd9xxx_clsh_fsm(struct snd_soc_codec *codec, |
| struct wcd9xxx_clsh_cdc_data *cdc_clsh_d, |
| u8 req_state, bool req_type, u8 clsh_event); |
| |
| extern void wcd9xxx_clsh_init(struct wcd9xxx_clsh_cdc_data *clsh, |
| struct wcd9xxx_resmgr *resmgr); |
| |
| extern void wcd9xxx_clsh_imped_config(struct snd_soc_codec *codec, |
| int imped); |
| |
| enum wcd9xxx_codec_event { |
| WCD9XXX_CODEC_EVENT_CODEC_UP = 0, |
| }; |
| |
| struct wcd9xxx_register_save_node { |
| struct list_head lh; |
| u16 reg; |
| u16 value; |
| }; |
| |
| extern int wcd9xxx_soc_update_bits_push(struct snd_soc_codec *codec, |
| struct list_head *lh, |
| uint16_t reg, uint8_t mask, |
| uint8_t value, int delay); |
| extern void wcd9xxx_restore_registers(struct snd_soc_codec *codec, |
| struct list_head *lh); |
| #endif |