2 * Copyright 2015 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
23 #include <linux/types.h>
24 #include <linux/kernel.h>
25 #include <linux/slab.h>
26 #include "pp_instance.h"
28 #include "cgs_common.h"
29 #include "linux/delay.h"
30 #include "cz_smumgr.h"
31 #include "tonga_smumgr.h"
32 #include "fiji_smumgr.h"
33 #include "polaris10_smumgr.h"
35 int smum_init(struct amd_pp_init
*pp_init
, struct pp_instance
*handle
)
37 struct pp_smumgr
*smumgr
;
39 if ((handle
== NULL
) || (pp_init
== NULL
))
42 smumgr
= kzalloc(sizeof(struct pp_smumgr
), GFP_KERNEL
);
46 smumgr
->device
= pp_init
->device
;
47 smumgr
->chip_family
= pp_init
->chip_family
;
48 smumgr
->chip_id
= pp_init
->chip_id
;
49 smumgr
->hw_revision
= pp_init
->rev_id
;
50 smumgr
->usec_timeout
= AMD_MAX_USEC_TIMEOUT
;
51 smumgr
->reload_fw
= 1;
52 handle
->smu_mgr
= smumgr
;
54 switch (smumgr
->chip_family
) {
59 switch (smumgr
->chip_id
) {
61 tonga_smum_init(smumgr
);
64 fiji_smum_init(smumgr
);
68 polaris10_smum_init(smumgr
);
82 int smum_fini(struct pp_smumgr
*smumgr
)
84 kfree(smumgr
->device
);
89 int smum_get_argument(struct pp_smumgr
*smumgr
)
91 if (NULL
!= smumgr
->smumgr_funcs
->get_argument
)
92 return smumgr
->smumgr_funcs
->get_argument(smumgr
);
97 int smum_download_powerplay_table(struct pp_smumgr
*smumgr
,
100 if (NULL
!= smumgr
->smumgr_funcs
->download_pptable_settings
)
101 return smumgr
->smumgr_funcs
->download_pptable_settings(smumgr
,
107 int smum_upload_powerplay_table(struct pp_smumgr
*smumgr
)
109 if (NULL
!= smumgr
->smumgr_funcs
->upload_pptable_settings
)
110 return smumgr
->smumgr_funcs
->upload_pptable_settings(smumgr
);
115 int smum_send_msg_to_smc(struct pp_smumgr
*smumgr
, uint16_t msg
)
117 if (smumgr
== NULL
|| smumgr
->smumgr_funcs
->send_msg_to_smc
== NULL
)
120 return smumgr
->smumgr_funcs
->send_msg_to_smc(smumgr
, msg
);
123 int smum_send_msg_to_smc_with_parameter(struct pp_smumgr
*smumgr
,
124 uint16_t msg
, uint32_t parameter
)
126 if (smumgr
== NULL
||
127 smumgr
->smumgr_funcs
->send_msg_to_smc_with_parameter
== NULL
)
129 return smumgr
->smumgr_funcs
->send_msg_to_smc_with_parameter(
130 smumgr
, msg
, parameter
);
134 * Returns once the part of the register indicated by the mask has
135 * reached the given value.
137 int smum_wait_on_register(struct pp_smumgr
*smumgr
,
139 uint32_t value
, uint32_t mask
)
144 if (smumgr
== NULL
|| smumgr
->device
== NULL
)
147 for (i
= 0; i
< smumgr
->usec_timeout
; i
++) {
148 cur_value
= cgs_read_register(smumgr
->device
, index
);
149 if ((cur_value
& mask
) == (value
& mask
))
154 /* timeout means wrong logic*/
155 if (i
== smumgr
->usec_timeout
)
161 int smum_wait_for_register_unequal(struct pp_smumgr
*smumgr
,
163 uint32_t value
, uint32_t mask
)
171 for (i
= 0; i
< smumgr
->usec_timeout
; i
++) {
172 cur_value
= cgs_read_register(smumgr
->device
,
174 if ((cur_value
& mask
) != (value
& mask
))
179 /* timeout means wrong logic */
180 if (i
== smumgr
->usec_timeout
)
188 * Returns once the part of the register indicated by the mask
189 * has reached the given value.The indirect space is described by
190 * giving the memory-mapped index of the indirect index register.
192 int smum_wait_on_indirect_register(struct pp_smumgr
*smumgr
,
193 uint32_t indirect_port
,
198 if (smumgr
== NULL
|| smumgr
->device
== NULL
)
201 cgs_write_register(smumgr
->device
, indirect_port
, index
);
202 return smum_wait_on_register(smumgr
, indirect_port
+ 1,
206 void smum_wait_for_indirect_register_unequal(
207 struct pp_smumgr
*smumgr
,
208 uint32_t indirect_port
,
213 if (smumgr
== NULL
|| smumgr
->device
== NULL
)
215 cgs_write_register(smumgr
->device
, indirect_port
, index
);
216 smum_wait_for_register_unequal(smumgr
, indirect_port
+ 1,
220 int smu_allocate_memory(void *device
, uint32_t size
,
221 enum cgs_gpu_mem_type type
,
222 uint32_t byte_align
, uint64_t *mc_addr
,
223 void **kptr
, void *handle
)
226 cgs_handle_t cgs_handle
;
228 if (device
== NULL
|| handle
== NULL
||
229 mc_addr
== NULL
|| kptr
== NULL
)
232 ret
= cgs_alloc_gpu_mem(device
, type
, size
, byte_align
,
233 0, 0, (cgs_handle_t
*)handle
);
237 cgs_handle
= *(cgs_handle_t
*)handle
;
239 ret
= cgs_gmap_gpu_mem(device
, cgs_handle
, mc_addr
);
243 ret
= cgs_kmap_gpu_mem(device
, cgs_handle
, kptr
);
250 cgs_gunmap_gpu_mem(device
, cgs_handle
);
253 cgs_free_gpu_mem(device
, cgs_handle
);
257 int smu_free_memory(void *device
, void *handle
)
259 cgs_handle_t cgs_handle
= (cgs_handle_t
)handle
;
261 if (device
== NULL
|| handle
== NULL
)
264 cgs_kunmap_gpu_mem(device
, cgs_handle
);
265 cgs_gunmap_gpu_mem(device
, cgs_handle
);
266 cgs_free_gpu_mem(device
, cgs_handle
);