xref: /OK3568_Linux_fs/kernel/drivers/gpu/arm/mali400/mali/common/mali_gp.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /*
2  * Copyright (C) 2011-2014, 2016-2017 ARM Limited. All rights reserved.
3  *
4  * This program is free software and is provided to you under the terms of the GNU General Public License version 2
5  * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
6  *
7  * A copy of the licence is included with the program, and can also be obtained from Free Software
8  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
9  */
10 
11 #ifndef __MALI_GP_H__
12 #define __MALI_GP_H__
13 
14 #include "mali_osk.h"
15 #include "mali_gp_job.h"
16 #include "mali_hw_core.h"
17 #include "regs/mali_gp_regs.h"
18 
19 struct mali_group;
20 
21 /**
22  * Definition of the GP core struct
23  * Used to track a GP core in the system.
24  */
25 struct mali_gp_core {
26 	struct mali_hw_core  hw_core;           /**< Common for all HW cores */
27 	_mali_osk_irq_t     *irq;               /**< IRQ handler */
28 };
29 
30 _mali_osk_errcode_t mali_gp_initialize(void);
31 void mali_gp_terminate(void);
32 
33 struct mali_gp_core *mali_gp_create(const _mali_osk_resource_t *resource, struct mali_group *group);
34 void mali_gp_delete(struct mali_gp_core *core);
35 
36 void mali_gp_stop_bus(struct mali_gp_core *core);
37 _mali_osk_errcode_t mali_gp_stop_bus_wait(struct mali_gp_core *core);
38 void mali_gp_reset_async(struct mali_gp_core *core);
39 _mali_osk_errcode_t mali_gp_reset_wait(struct mali_gp_core *core);
40 void mali_gp_hard_reset(struct mali_gp_core *core);
41 _mali_osk_errcode_t mali_gp_reset(struct mali_gp_core *core);
42 
43 void mali_gp_job_start(struct mali_gp_core *core, struct mali_gp_job *job);
44 void mali_gp_resume_with_new_heap(struct mali_gp_core *core, u32 start_addr, u32 end_addr);
45 
46 u32 mali_gp_core_get_version(struct mali_gp_core *core);
47 
48 struct mali_gp_core *mali_gp_get_global_gp_core(void);
49 
50 #if MALI_STATE_TRACKING
51 u32 mali_gp_dump_state(struct mali_gp_core *core, char *buf, u32 size);
52 #endif
53 
54 void mali_gp_update_performance_counters(struct mali_gp_core *core, struct mali_gp_job *job);
55 
mali_gp_core_description(struct mali_gp_core * core)56 MALI_STATIC_INLINE const char *mali_gp_core_description(struct mali_gp_core *core)
57 {
58 	return core->hw_core.description;
59 }
60 
mali_gp_get_interrupt_result(struct mali_gp_core * core)61 MALI_STATIC_INLINE enum mali_interrupt_result mali_gp_get_interrupt_result(struct mali_gp_core *core)
62 {
63 	u32 stat_used = mali_hw_core_register_read(&core->hw_core, MALIGP2_REG_ADDR_MGMT_INT_STAT) &
64 			MALIGP2_REG_VAL_IRQ_MASK_USED;
65 
66 	if (0 == stat_used) {
67 		return MALI_INTERRUPT_RESULT_NONE;
68 	} else if ((MALIGP2_REG_VAL_IRQ_VS_END_CMD_LST |
69 		    MALIGP2_REG_VAL_IRQ_PLBU_END_CMD_LST) == stat_used) {
70 		return MALI_INTERRUPT_RESULT_SUCCESS;
71 	} else if (MALIGP2_REG_VAL_IRQ_VS_END_CMD_LST == stat_used) {
72 		return MALI_INTERRUPT_RESULT_SUCCESS_VS;
73 	} else if (MALIGP2_REG_VAL_IRQ_PLBU_END_CMD_LST == stat_used) {
74 		return MALI_INTERRUPT_RESULT_SUCCESS_PLBU;
75 	} else if (MALIGP2_REG_VAL_IRQ_PLBU_OUT_OF_MEM & stat_used) {
76 		return MALI_INTERRUPT_RESULT_OOM;
77 	}
78 
79 	return MALI_INTERRUPT_RESULT_ERROR;
80 }
81 
mali_gp_get_rawstat(struct mali_gp_core * core)82 MALI_STATIC_INLINE u32 mali_gp_get_rawstat(struct mali_gp_core *core)
83 {
84 	MALI_DEBUG_ASSERT_POINTER(core);
85 	return mali_hw_core_register_read(&core->hw_core,
86 					  MALIGP2_REG_ADDR_MGMT_INT_RAWSTAT);
87 }
88 
mali_gp_is_active(struct mali_gp_core * core)89 MALI_STATIC_INLINE u32 mali_gp_is_active(struct mali_gp_core *core)
90 {
91 	u32 status = mali_hw_core_register_read(&core->hw_core, MALIGP2_REG_ADDR_MGMT_STATUS);
92 	return (status & MALIGP2_REG_VAL_STATUS_MASK_ACTIVE) ? MALI_TRUE : MALI_FALSE;
93 }
94 
mali_gp_mask_all_interrupts(struct mali_gp_core * core)95 MALI_STATIC_INLINE void mali_gp_mask_all_interrupts(struct mali_gp_core *core)
96 {
97 	mali_hw_core_register_write(&core->hw_core, MALIGP2_REG_ADDR_MGMT_INT_MASK, MALIGP2_REG_VAL_IRQ_MASK_NONE);
98 }
99 
mali_gp_enable_interrupts(struct mali_gp_core * core,enum mali_interrupt_result exceptions)100 MALI_STATIC_INLINE void mali_gp_enable_interrupts(struct mali_gp_core *core, enum mali_interrupt_result exceptions)
101 {
102 	/* Enable all interrupts, except those specified in exceptions */
103 	u32 value;
104 
105 	if (MALI_INTERRUPT_RESULT_SUCCESS_VS == exceptions) {
106 		/* Enable all used except VS complete */
107 		value = MALIGP2_REG_VAL_IRQ_MASK_USED &
108 			~MALIGP2_REG_VAL_IRQ_VS_END_CMD_LST;
109 	} else {
110 		MALI_DEBUG_ASSERT(MALI_INTERRUPT_RESULT_SUCCESS_PLBU ==
111 				  exceptions);
112 		/* Enable all used except PLBU complete */
113 		value = MALIGP2_REG_VAL_IRQ_MASK_USED &
114 			~MALIGP2_REG_VAL_IRQ_PLBU_END_CMD_LST;
115 	}
116 
117 	mali_hw_core_register_write(&core->hw_core,
118 				    MALIGP2_REG_ADDR_MGMT_INT_MASK,
119 				    value);
120 }
121 
mali_gp_read_plbu_alloc_start_addr(struct mali_gp_core * core)122 MALI_STATIC_INLINE u32 mali_gp_read_plbu_alloc_start_addr(struct mali_gp_core *core)
123 {
124 	return mali_hw_core_register_read(&core->hw_core, MALIGP2_REG_ADDR_MGMT_PLBU_ALLOC_START_ADDR);
125 }
126 
127 #endif /* __MALI_GP_H__ */
128