diff options
author | Mark Brown <broonie@kernel.org> | 2016-02-09 18:20:39 +0000 |
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committer | Mark Brown <broonie@kernel.org> | 2016-02-09 18:20:39 +0000 |
commit | fcdcc79628a1919bde9acf239e364f65bab6327c (patch) | |
tree | 5499be387cf3028c90ac083b1cf866ebed7bf7e0 /drivers/gpu/drm/amd/include/amd_pcie.h | |
parent | 7a8d44bc89e5cddcd5c0704a11a90484d36ba6ba (diff) | |
parent | a0a90718f18264dc904d34a580f332006f5561e9 (diff) |
Merge branch 'topic/acpi' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-pxa2xx
Diffstat (limited to 'drivers/gpu/drm/amd/include/amd_pcie.h')
-rw-r--r-- | drivers/gpu/drm/amd/include/amd_pcie.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/include/amd_pcie.h b/drivers/gpu/drm/amd/include/amd_pcie.h new file mode 100644 index 0000000000000..7c2a916c1e63c --- /dev/null +++ b/drivers/gpu/drm/amd/include/amd_pcie.h @@ -0,0 +1,50 @@ +/* + * 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. + */ + +#ifndef __AMD_PCIE_H__ +#define __AMD_PCIE_H__ + +/* Following flags shows PCIe link speed supported in driver which are decided by chipset and ASIC */ +#define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 0x00010000 +#define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 0x00020000 +#define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 0x00040000 +#define CAIL_PCIE_LINK_SPEED_SUPPORT_MASK 0xFFFF0000 +#define CAIL_PCIE_LINK_SPEED_SUPPORT_SHIFT 16 + +/* Following flags shows PCIe link speed supported by ASIC H/W.*/ +#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 0x00000001 +#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 0x00000002 +#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 0x00000004 +#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_MASK 0x0000FFFF +#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_SHIFT 0 + +/* Following flags shows PCIe lane width switch supported in driver which are decided by chipset and ASIC */ +#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X1 0x00010000 +#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 0x00020000 +#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 0x00040000 +#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 0x00080000 +#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 0x00100000 +#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 0x00200000 +#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 0x00400000 +#define CAIL_PCIE_LINK_WIDTH_SUPPORT_SHIFT 16 + +#endif |