633df0b2ed
- Handling GPIO and UART clock throw State machine. Change-Id: I9b10b15f2150c51823e5eb670954d5b6a97a606e
115 linhas
3.4 KiB
C
115 linhas
3.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
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* Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef __LINUX_BLUETOOTH_POWER_H
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#define __LINUX_BLUETOOTH_POWER_H
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#include <linux/cdev.h>
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#include <linux/types.h>
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#include <linux/mailbox_client.h>
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#include <linux/mailbox/qmp.h>
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/*
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* voltage regulator information required for configuring the
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* bluetooth chipset
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*/
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enum bt_power_modes {
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BT_POWER_DISABLE = 0,
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BT_POWER_ENABLE,
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BT_POWER_RETENTION
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};
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struct log_index {
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int init;
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int crash;
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};
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struct bt_power_vreg_data {
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struct regulator *reg; /* voltage regulator handle */
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const char *name; /* regulator name */
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u32 min_vol; /* min voltage level */
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u32 max_vol; /* max voltage level */
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u32 load_curr; /* current */
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bool is_enabled; /* is this regulator enabled? */
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bool is_retention_supp; /* does this regulator support retention mode */
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struct log_index indx; /* Index for reg. w.r.t init & crash */
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};
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struct bt_power {
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char compatible[32];
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struct bt_power_vreg_data *vregs;
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int num_vregs;
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};
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struct bt_power_clk_data {
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struct clk *clk; /* clock regulator handle */
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const char *name; /* clock name */
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bool is_enabled; /* is this clock enabled? */
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};
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/*
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* Platform data for the bluetooth power driver.
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*/
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struct btpower_platform_data {
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struct platform_device *pdev;
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int bt_gpio_sys_rst; /* Bluetooth reset gpio */
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int wl_gpio_sys_rst; /* Wlan reset gpio */
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int bt_gpio_sw_ctrl; /* Bluetooth sw_ctrl gpio */
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int bt_gpio_debug; /* Bluetooth debug gpio */
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#ifdef CONFIG_MSM_BT_OOBS
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int bt_gpio_dev_wake; /* Bluetooth bt_wake */
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int bt_gpio_host_wake; /* Bluetooth bt_host_wake */
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int irq; /* Bluetooth host_wake IRQ */
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#endif
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int xo_gpio_clk; /* XO clock gpio*/
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struct device *slim_dev;
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struct bt_power_vreg_data *vreg_info; /* VDDIO voltage regulator */
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struct bt_power_clk_data *bt_chip_clk; /* bluetooth reference clock */
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int (*bt_power_setup)(int id); /* Bluetooth power setup function */
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char compatible[32]; /*Bluetooth SoC name */
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int num_vregs;
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struct mbox_client mbox_client_data;
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struct mbox_chan *mbox_chan;
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const char *vreg_ipa;
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#ifdef CONFIG_MSM_BT_OOBS
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struct file *reffilp_obs;
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struct task_struct *reftask_obs;
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#endif
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};
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int btpower_register_slimdev(struct device *dev);
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int btpower_get_chipset_version(void);
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int btpower_aop_mbox_init(struct btpower_platform_data *pdata);
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#define BT_CMD_SLIM_TEST 0xbfac
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#define BT_CMD_PWR_CTRL 0xbfad
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#define BT_CMD_CHIPSET_VERS 0xbfae
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#define BT_CMD_GET_CHIPSET_ID 0xbfaf
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#define BT_CMD_CHECK_SW_CTRL 0xbfb0
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#define BT_CMD_GETVAL_POWER_SRCS 0xbfb1
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#define BT_CMD_SET_IPA_TCS_INFO 0xbfc0
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#ifdef CONFIG_MSM_BT_OOBS
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#define BT_CMD_OBS_SIGNAL_TASK 0xbfd0
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#define BT_CMD_OBS_VOTE_CLOCK 0xbfd1
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/**
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* enum btpower_obs_param: OOBS low power param
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* @BTPOWER_OBS_CLK_OFF: Transport bus is no longer acquired
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* @BTPOWER_OBS_CLK_ON: Acquire transport bus for either transmitting or receiving
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* @BTPOWER_OBS_DEV_OFF: Bluetooth is released because of no more transmission
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* @BTPOWER_OBS_DEV_ON: Wake up the Bluetooth controller for transmission
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*/
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enum btpower_obs_param {
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BTPOWER_OBS_CLK_OFF = 0,
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BTPOWER_OBS_CLK_ON,
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BTPOWER_OBS_DEV_OFF,
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BTPOWER_OBS_DEV_ON,
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};
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#endif
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#endif /* __LINUX_BLUETOOTH_POWER_H */
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