diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dwb.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dwb.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dwb.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dwb.c new file mode 100644 index 000000000000..374cc9acda3b --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dwb.c @@ -0,0 +1,136 @@ +/* + * Copyright 2012-17 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. + * + * Authors: AMD + * + */ + +#if defined(CONFIG_DRM_AMD_DC_DCN1_0) + +#include "reg_helper.h" +#include "resource.h" +#include "dwb.h" +#include "dcn10_dwb.h" + + +#define REG(reg)\ + dwbc10->dwbc_regs->reg + +#define CTX \ + dwbc10->base.ctx + +#undef FN +#define FN(reg_name, field_name) \ + dwbc10->dwbc_shift->field_name, dwbc10->dwbc_mask->field_name + +#define TO_DCN10_DWBC(dwbc_base) \ + container_of(dwbc_base, struct dcn10_dwbc, base) + +static bool dwb1_get_caps(struct dwbc *dwbc, struct dwb_caps *caps) +{ + if (caps) { + caps->adapter_id = 0; /* we only support 1 adapter currently */ + caps->hw_version = DCN_VERSION_1_0; + caps->num_pipes = 2; + memset(&caps->reserved, 0, sizeof(caps->reserved)); + memset(&caps->reserved2, 0, sizeof(caps->reserved2)); + caps->sw_version = dwb_ver_1_0; + caps->caps.support_dwb = true; + caps->caps.support_ogam = false; + caps->caps.support_wbscl = true; + caps->caps.support_ocsc = false; + return true; + } else { + return false; + } +} + +static bool dwb1_enable(struct dwbc *dwbc, struct dc_dwb_params *params) +{ + struct dcn10_dwbc *dwbc10 = TO_DCN10_DWBC(dwbc); + + /* disable first. */ + dwbc->funcs->disable(dwbc); + + /* disable power gating */ + REG_UPDATE_5(WB_EC_CONFIG, DISPCLK_R_WB_GATE_DIS, 1, + DISPCLK_G_WB_GATE_DIS, 1, DISPCLK_G_WBSCL_GATE_DIS, 1, + WB_LB_LS_DIS, 1, WB_LUT_LS_DIS, 1); + + REG_UPDATE(WB_ENABLE, WB_ENABLE, 1); + + return true; +} + +static bool dwb1_disable(struct dwbc *dwbc) +{ + struct dcn10_dwbc *dwbc10 = TO_DCN10_DWBC(dwbc); + + /* disable CNV */ + REG_UPDATE(CNV_MODE, CNV_FRAME_CAPTURE_EN, 0); + + /* disable WB */ + REG_UPDATE(WB_ENABLE, WB_ENABLE, 0); + + /* soft reset */ + REG_UPDATE(WB_SOFT_RESET, WB_SOFT_RESET, 1); + REG_UPDATE(WB_SOFT_RESET, WB_SOFT_RESET, 0); + + /* enable power gating */ + REG_UPDATE_5(WB_EC_CONFIG, DISPCLK_R_WB_GATE_DIS, 0, + DISPCLK_G_WB_GATE_DIS, 0, DISPCLK_G_WBSCL_GATE_DIS, 0, + WB_LB_LS_DIS, 0, WB_LUT_LS_DIS, 0); + + return true; +} + +const struct dwbc_funcs dcn10_dwbc_funcs = { + .get_caps = dwb1_get_caps, + .enable = dwb1_enable, + .disable = dwb1_disable, + .update = NULL, + .set_stereo = NULL, + .set_new_content = NULL, +#if defined(CONFIG_DRM_AMD_DC_DCN2_0) + .set_warmup = NULL, +#endif + .dwb_set_scaler = NULL, +}; + +void dcn10_dwbc_construct(struct dcn10_dwbc *dwbc10, + struct dc_context *ctx, + const struct dcn10_dwbc_registers *dwbc_regs, + const struct dcn10_dwbc_shift *dwbc_shift, + const struct dcn10_dwbc_mask *dwbc_mask, + int inst) +{ + dwbc10->base.ctx = ctx; + + dwbc10->base.inst = inst; + dwbc10->base.funcs = &dcn10_dwbc_funcs; + + dwbc10->dwbc_regs = dwbc_regs; + dwbc10->dwbc_shift = dwbc_shift; + dwbc10->dwbc_mask = dwbc_mask; +} + + +#endif |