diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amd_powerplay.c')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c new file mode 100644 index 000000000000..39ffc5d4e49f --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -0,0 +1,194 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/gfp.h> +#include "amd_shared.h" +#include "amd_powerplay.h" + +static int pp_early_init(void *handle) +{ + return 0; +} + +static int pp_sw_init(void *handle) +{ + return 0; +} + +static int pp_sw_fini(void *handle) +{ + return 0; +} + +static int pp_hw_init(void *handle) +{ + return 0; +} + +static int pp_hw_fini(void *handle) +{ + return 0; +} + +static bool pp_is_idle(void *handle) +{ + return 0; +} + +static int pp_wait_for_idle(void *handle) +{ + return 0; +} + +static int pp_sw_reset(void *handle) +{ + return 0; +} + +static void pp_print_status(void *handle) +{ + +} + +static int pp_set_clockgating_state(void *handle, + enum amd_clockgating_state state) +{ + return 0; +} + +static int pp_set_powergating_state(void *handle, + enum amd_powergating_state state) +{ + return 0; +} + +static int pp_suspend(void *handle) +{ + return 0; +} + +static int pp_resume(void *handle) +{ + return 0; +} + +const struct amd_ip_funcs pp_ip_funcs = { + .early_init = pp_early_init, + .late_init = NULL, + .sw_init = pp_sw_init, + .sw_fini = pp_sw_fini, + .hw_init = pp_hw_init, + .hw_fini = pp_hw_fini, + .suspend = pp_suspend, + .resume = pp_resume, + .is_idle = pp_is_idle, + .wait_for_idle = pp_wait_for_idle, + .soft_reset = pp_sw_reset, + .print_status = pp_print_status, + .set_clockgating_state = pp_set_clockgating_state, + .set_powergating_state = pp_set_powergating_state, +}; + +static int pp_dpm_load_fw(void *handle) +{ + return 0; +} + +static int pp_dpm_fw_loading_complete(void *handle) +{ + return 0; +} + +static int pp_dpm_force_performance_level(void *handle, + enum amd_dpm_forced_level level) +{ + return 0; +} +static enum amd_dpm_forced_level pp_dpm_get_performance_level( + void *handle) +{ + return 0; +} +static int pp_dpm_get_sclk(void *handle, bool low) +{ + return 0; +} +static int pp_dpm_get_mclk(void *handle, bool low) +{ + return 0; +} +static int pp_dpm_powergate_vce(void *handle, bool gate) +{ + return 0; +} +static int pp_dpm_powergate_uvd(void *handle, bool gate) +{ + return 0; +} + +int pp_dpm_dispatch_tasks(void *handle, enum amd_pp_event event_id, void *input, void *output) +{ + return 0; +} +enum amd_pm_state_type pp_dpm_get_current_power_state(void *handle) +{ + return 0; +} +static void +pp_debugfs_print_current_performance_level(void *handle, + struct seq_file *m) +{ + return; +} +const struct amd_powerplay_funcs pp_dpm_funcs = { + .get_temperature = NULL, + .load_firmware = pp_dpm_load_fw, + .wait_for_fw_loading_complete = pp_dpm_fw_loading_complete, + .force_performance_level = pp_dpm_force_performance_level, + .get_performance_level = pp_dpm_get_performance_level, + .get_current_power_state = pp_dpm_get_current_power_state, + .get_sclk = pp_dpm_get_sclk, + .get_mclk = pp_dpm_get_mclk, + .powergate_vce = pp_dpm_powergate_vce, + .powergate_uvd = pp_dpm_powergate_uvd, + .dispatch_tasks = pp_dpm_dispatch_tasks, + .print_current_performance_level = pp_debugfs_print_current_performance_level, +}; + +int amd_powerplay_init(struct amd_pp_init *pp_init, + struct amd_powerplay *amd_pp) +{ + if (pp_init == NULL || amd_pp == NULL) + return -EINVAL; + + amd_pp->ip_funcs = &pp_ip_funcs; + amd_pp->pp_funcs = &pp_dpm_funcs; + + return 0; +} + +int amd_powerplay_fini(void *handle) +{ + return 0; +} |