mirror of
https://github.com/physwizz/a155-U-u1.git
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177 lines
4.0 KiB
C
177 lines
4.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef _SLBC_OPS_H_
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#define _SLBC_OPS_H_
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#include <linux/list.h>
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#include <linux/bitops.h>
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/* error code */
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#define EWAIT_RELEASE 1 /* wait for release */
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#define ENOT_AVAILABLE 2 /* not available for now */
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#define EREQ_DONE 3 /* already requested */
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#define EREQ_MASKED 4 /* req madk bit set */
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#define EDISABLED 5 /* req madk bit set */
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/* call back return value */
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#define CB_DONE 0 /* no need to use*/
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#define CB_OK 1 /* ready to use/release */
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/* slot status */
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#define SLOT_AVAILABLE 0 /* slot available*/
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#define SLOT_NOT_FOUND 1 /* slot not found */
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#define SLOT_USED 2 /* slot used */
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/* sid status */
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#define SID_NOT_FOUND 0xffff
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/* need to modify slbc_uid_str */
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enum slbc_uid {
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UID_ZERO = 0,
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UID_MM_VENC,
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UID_MM_DISP,
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UID_MM_MDP,
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UID_MM_VDEC,
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UID_AI_MDLA,
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UID_AI_ISP,
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UID_GPU,
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UID_HIFI3,
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UID_CPU,
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UID_AOV,
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UID_SH_P2,
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UID_SH_APU,
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UID_MML,
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UID_DSC_IDLE,
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UID_AINR,
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UID_TEST_BUFFER,
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UID_TEST_CACHE,
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UID_TEST_ACP,
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UID_DISP,
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UID_MAX,
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};
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#define UID_MM_BITS_1 (BIT(UID_MM_DISP) | BIT(UID_MM_MDP))
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#define BIT_IN_MM_BITS_1(x) ((x) & UID_MM_BITS_1)
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#define UID_MM_BITS_2 (BIT(UID_SH_P2) | BIT(UID_SH_APU))
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#define BIT_IN_MM_BITS_2(x) ((x) & UID_MM_BITS_2)
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#define UID_MM_BITS_3 (BIT(UID_MML) | BIT(UID_DISP))
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#define BIT_IN_MM_BITS_3(x) ((x) & UID_MM_BITS_3)
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enum slbc_type {
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TP_BUFFER = 0,
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TP_CACHE,
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TP_ACP,
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};
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enum slbc_force {
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FR_DIS = 0,
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FR_CPU,
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FR_GPU,
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FR_APU,
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FR_MAX,
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};
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#define ACP_ONLY_BIT 2
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enum slbc_flag {
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FG_SECURE = BIT(0),
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FG_POWER = BIT(1),
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FG_ACP_ONLY = BIT(ACP_ONLY_BIT),
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FG_ACP_1_4 = BIT(ACP_ONLY_BIT + 1),
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FG_ACP_2_4 = BIT(ACP_ONLY_BIT + 2),
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FG_ACP_3_4 = BIT(ACP_ONLY_BIT + 3),
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FG_ACP_4_4 = BIT(ACP_ONLY_BIT + 4),
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};
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#define FG_ACP_BITS (FG_ACP_1_4 | FG_ACP_2_4 | FG_ACP_3_4 | FG_ACP_4_4)
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#define SLBC_TRY_FLAG_BIT(d, bit) (((d)->flag & (bit)) == (bit))
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struct slbc_data {
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unsigned int uid;
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unsigned int type;
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ssize_t size;
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unsigned int flag;
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int ret;
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/* below used by slbc driver */
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void __iomem *paddr;
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void __iomem *vaddr;
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unsigned int sid;
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unsigned int slot_used;
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void *config;
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int ref;
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int pwr_ref;
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struct slbc_data *private;
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};
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#define ui_to_slbc_data(d, ui) \
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do { \
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(d)->uid = ((ui) >> 24 & 0xff); \
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(d)->type = ((ui) >> 16 & 0xff); \
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(d)->flag = ((ui) >> 8 & 0xff); \
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} while (0)
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#define slbc_data_to_ui(d) \
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((((d)->uid) & 0xff) << 24 | \
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(((d)->type) & 0xff) << 16 | \
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(((d)->flag) & 0xff) << 8)
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struct slbc_ops {
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struct list_head node;
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struct slbc_data *data;
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int (*activate)(struct slbc_data *data);
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void (*deactivate)(struct slbc_data *data);
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};
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extern int slbc_enable;
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extern char *slbc_uid_str[UID_MAX];
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extern int popcount(unsigned int x);
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#if IS_ENABLED(CONFIG_MTK_SLBC)
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extern int slbc_request(struct slbc_data *d);
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extern int slbc_release(struct slbc_data *d);
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extern int slbc_power_on(struct slbc_data *d);
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extern int slbc_power_off(struct slbc_data *d);
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extern int slbc_secure_on(struct slbc_data *d);
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extern int slbc_secure_off(struct slbc_data *d);
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extern void slbc_update_mm_bw(unsigned int bw);
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extern void slbc_update_mic_num(unsigned int num);
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extern void slbc_update_inner(unsigned int inner);
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extern void slbc_update_outer(unsigned int outer);
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#else
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__attribute__ ((weak)) int slbc_request(struct slbc_data *d)
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{
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return -EDISABLED;
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};
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__attribute__ ((weak)) int slbc_release(struct slbc_data *d)
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{
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return -EDISABLED;
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};
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__attribute__ ((weak)) int slbc_power_on(struct slbc_data *d)
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{
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return -EDISABLED;
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};
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__attribute__ ((weak)) int slbc_power_off(struct slbc_data *d)
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{
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return -EDISABLED;
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};
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__attribute__ ((weak)) int slbc_secure_on(struct slbc_data *d)
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{
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return -EDISABLED;
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};
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__attribute__ ((weak)) int slbc_secure_off(struct slbc_data *d)
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{
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return -EDISABLED;
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};
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__attribute__ ((weak)) void slbc_update_mm_bw(unsigned int bw) {}
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__attribute__ ((weak)) void slbc_update_mic_num(unsigned int num) {}
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__attribute__ ((weak)) void slbc_update_inner(unsigned int inner) {}
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__attribute__ ((weak)) void slbc_update_outer(unsigned int outer) {}
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#endif /* CONFIG_MTK_SLBC */
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#endif /* _SLBC_OPS_H_ */
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