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author | Harry Wentland <harry.wentland@amd.com> | 2017-09-12 15:58:20 -0400 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 17:01:32 -0400 |
commit | 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c (patch) | |
tree | 84301c04dcaaa05c3318a8fe62cf62ab52ecc162 /drivers/gpu/drm/amd/display/dc/gpio/hpd_regs.h | |
parent | 9c5b2b0d409304c2e3c1f4d1c9bb4958e1d46f8f (diff) | |
download | linux-stable-4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c.tar.gz linux-stable-4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c.tar.bz2 linux-stable-4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c.zip |
drm/amd/dc: Add dc display driver (v2)
Supported DCE versions: 8.0, 10.0, 11.0, 11.2
v2: rebase against 4.11
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio/hpd_regs.h')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/hpd_regs.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/hpd_regs.h b/drivers/gpu/drm/amd/display/dc/gpio/hpd_regs.h new file mode 100644 index 000000000000..dcfdd71b2304 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/gpio/hpd_regs.h @@ -0,0 +1,79 @@ +/* + * Copyright 2012-16 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 + * + */ + +#ifndef DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_HPD_REGS_H_ +#define DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_HPD_REGS_H_ + +#include "gpio_regs.h" + +#define ONE_MORE_0 1 +#define ONE_MORE_1 2 +#define ONE_MORE_2 3 +#define ONE_MORE_3 4 +#define ONE_MORE_4 5 +#define ONE_MORE_5 6 + + +#define HPD_GPIO_REG_LIST_ENTRY(type,cd,id) \ + .type ## _reg = REG(DC_GPIO_HPD_## type),\ + .type ## _mask = DC_GPIO_HPD_ ## type ## __DC_GPIO_HPD ## id ## _ ## type ## _MASK,\ + .type ## _shift = DC_GPIO_HPD_ ## type ## __DC_GPIO_HPD ## id ## _ ## type ## __SHIFT + +#define HPD_GPIO_REG_LIST(id) \ + {\ + HPD_GPIO_REG_LIST_ENTRY(MASK,cd,id),\ + HPD_GPIO_REG_LIST_ENTRY(A,cd,id),\ + HPD_GPIO_REG_LIST_ENTRY(EN,cd,id),\ + HPD_GPIO_REG_LIST_ENTRY(Y,cd,id)\ + } + +#define HPD_REG_LIST(id) \ + HPD_GPIO_REG_LIST(ONE_MORE_ ## id), \ + .int_status = REGI(DC_HPD_INT_STATUS, HPD, id),\ + .toggle_filt_cntl = REGI(DC_HPD_TOGGLE_FILT_CNTL, HPD, id) + + #define HPD_MASK_SH_LIST(mask_sh) \ + SF_HPD(DC_HPD_INT_STATUS, DC_HPD_SENSE_DELAYED, mask_sh),\ + SF_HPD(DC_HPD_INT_STATUS, DC_HPD_SENSE, mask_sh),\ + SF_HPD(DC_HPD_TOGGLE_FILT_CNTL, DC_HPD_CONNECT_INT_DELAY, mask_sh),\ + SF_HPD(DC_HPD_TOGGLE_FILT_CNTL, DC_HPD_DISCONNECT_INT_DELAY, mask_sh) + +struct hpd_registers { + struct gpio_registers gpio; + uint32_t int_status; + uint32_t toggle_filt_cntl; +}; + +struct hpd_sh_mask { + /* int_status */ + uint32_t DC_HPD_SENSE_DELAYED; + uint32_t DC_HPD_SENSE; + /* toggle_filt_cntl */ + uint32_t DC_HPD_CONNECT_INT_DELAY; + uint32_t DC_HPD_DISCONNECT_INT_DELAY; +}; + + +#endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_HPD_REGS_H_ */ |