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gerrit-public.fairphone.software / kernel / msm-4.9 / 3e0314bb0b67e7263b07aa021b3c7204a7b1caee / . / drivers / esoc / esoc-mdm.h
blob: fa3a576dfb3c42bb4b3f6d527cffd5244a132896 [file] [log] [blame]
Abhimanyu Kapurc75b2e12016-02-22 18:15:13 -0800[diff] [blame]1/* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License version 2 and
5 * only version 2 as published by the Free Software Foundation.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 */
12
13#ifndef __ESOC_MDM_H__
14#define __ESOC_MDM_H__
15
16#include <linux/delay.h>
17#include <linux/gpio.h>
18#include <linux/jiffies.h>
19#include <linux/module.h>
20#include <linux/of_address.h>
21#include <linux/of_gpio.h>
22#include <linux/pinctrl/consumer.h>
23#include <linux/platform_device.h>
24#include <linux/sched.h>
25#include "esoc.h"
26
27#define MDM_PBLRDY_CNT 20
28#define INVALID_GPIO (-1)
29#define MDM_GPIO(mdm, i) (mdm->gpios[i])
30#define MDM9x25_LABEL "MDM9x25"
31#define MDM9x25_HSIC "HSIC"
32#define MDM9x35_LABEL "MDM9x35"
33#define MDM9x35_PCIE "PCIe"
34#define MDM9x35_DUAL_LINK "HSIC+PCIe"
35#define MDM9x35_HSIC "HSIC"
36#define MDM9x45_LABEL "MDM9x45"
37#define MDM9x45_PCIE "PCIe"
38#define MDM9x55_LABEL "MDM9x55"
39#define MDM9x55_PCIE "PCIe"
40#define MDM2AP_STATUS_TIMEOUT_MS 120000L
41#define MDM_MODEM_TIMEOUT 3000
42#define DEF_RAMDUMP_TIMEOUT 120000
43#define DEF_RAMDUMP_DELAY 2000
44#define RD_BUF_SIZE 100
45#define SFR_MAX_RETRIES 10
46#define SFR_RETRY_INTERVAL 1000
47#define MDM_DBG_OFFSET 0x934
48#define MDM_DBG_MODE 0x53444247
49#define MDM_CTI_NAME "coresight-cti-rpm-cpu0"
50#define MDM_CTI_TRIG 0
51#define MDM_CTI_CH 0
52
53enum mdm_gpio {
54 AP2MDM_WAKEUP = 0,
55 AP2MDM_STATUS,
56 AP2MDM_SOFT_RESET,
57 AP2MDM_VDD_MIN,
58 AP2MDM_CHNLRDY,
59 AP2MDM_ERRFATAL,
60 AP2MDM_VDDMIN,
61 AP2MDM_PMIC_PWR_EN,
62 MDM2AP_WAKEUP,
63 MDM2AP_ERRFATAL,
64 MDM2AP_PBLRDY,
65 MDM2AP_STATUS,
66 MDM2AP_VDDMIN,
67 MDM_LINK_DETECT,
68 NUM_GPIOS,
69};
70
71struct mdm_pon_ops;
72
73struct mdm_ctrl {
74 unsigned int gpios[NUM_GPIOS];
75 spinlock_t status_lock;
76 struct workqueue_struct *mdm_queue;
77 struct delayed_work mdm2ap_status_check_work;
78 struct work_struct mdm_status_work;
79 struct work_struct restart_reason_work;
80 struct completion debug_done;
81 struct device *dev;
82 struct pinctrl *pinctrl;
83 struct pinctrl_state *gpio_state_booting;
84 struct pinctrl_state *gpio_state_running;
85 struct pinctrl_state *gpio_state_active;
86 struct pinctrl_state *gpio_state_suspend;
87 int mdm2ap_status_valid_old_config;
88 int soft_reset_inverted;
89 int errfatal_irq;
90 int status_irq;
91 int pblrdy_irq;
92 int debug;
93 int init;
94 bool debug_fail;
95 unsigned int dump_timeout_ms;
96 unsigned int ramdump_delay_ms;
97 struct esoc_clink *esoc;
98 bool get_restart_reason;
99 unsigned long irq_mask;
100 bool ready;
101 bool dual_interface;
102 u32 status;
103 void __iomem *dbg_addr;
104 bool dbg_mode;
105 struct coresight_cti *cti;
106 int trig_cnt;
107 const struct mdm_pon_ops *pon_ops;
108};
109
110struct mdm_pon_ops {
111 int (*pon)(struct mdm_ctrl *mdm);
112 int (*soft_reset)(struct mdm_ctrl *mdm, bool atomic);
113 int (*poff_force)(struct mdm_ctrl *mdm);
114 int (*poff_cleanup)(struct mdm_ctrl *mdm);
115 void (*cold_reset)(struct mdm_ctrl *mdm);
116 int (*dt_init)(struct mdm_ctrl *mdm);
117 int (*setup)(struct mdm_ctrl *mdm);
118};
119
120struct mdm_ops {
121 struct esoc_clink_ops *clink_ops;
122 struct mdm_pon_ops *pon_ops;
123 int (*config_hw)(struct mdm_ctrl *mdm, const struct mdm_ops *ops,
124 struct platform_device *pdev);
125};
126
127static inline int mdm_toggle_soft_reset(struct mdm_ctrl *mdm, bool atomic)
128{
129 return mdm->pon_ops->soft_reset(mdm, atomic);
130}
131static inline int mdm_do_first_power_on(struct mdm_ctrl *mdm)
132{
133 return mdm->pon_ops->pon(mdm);
134}
135static inline int mdm_power_down(struct mdm_ctrl *mdm)
136{
137 return mdm->pon_ops->poff_force(mdm);
138}
139static inline void mdm_cold_reset(struct mdm_ctrl *mdm)
140{
141 mdm->pon_ops->cold_reset(mdm);
142}
143static inline int mdm_pon_dt_init(struct mdm_ctrl *mdm)
144{
145 return mdm->pon_ops->dt_init(mdm);
146}
147static inline int mdm_pon_setup(struct mdm_ctrl *mdm)
148{
149 return mdm->pon_ops->setup(mdm);
150}
151
152extern struct mdm_pon_ops mdm9x25_pon_ops;
153extern struct mdm_pon_ops mdm9x35_pon_ops;
154extern struct mdm_pon_ops mdm9x45_pon_ops;
155extern struct mdm_pon_ops mdm9x55_pon_ops;
156#endif