diff options
| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2017-06-06 15:25:12 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-09 12:42:43 +0300 |
| commit | cd446ee2e64f03d0e3d8463bf826aaebe0005149 (patch) | |
| tree | 5fa90c371477035544b1909485d9108c10ccd828 /drivers/thunderbolt/nhi_regs.h | |
| parent | 5e2781bcb1e876d314832489ff8177ef917d9b45 (diff) | |
| download | linux-cd446ee2e64f03d0e3d8463bf826aaebe0005149.tar.xz | |
thunderbolt: Add support for NHI mailbox
The host controller includes two sets of registers that are used to
communicate with the firmware. Add functions that can be used to access
these registers.
This code is based on the work done by Amir Levy and Michael Jamet.
Signed-off-by: Michael Jamet <michael.jamet@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Yehezkel Bernat <yehezkel.bernat@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/thunderbolt/nhi_regs.h')
| -rw-r--r-- | drivers/thunderbolt/nhi_regs.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/thunderbolt/nhi_regs.h b/drivers/thunderbolt/nhi_regs.h index 48b98d3c7e6a..322fe1fa3a3c 100644 --- a/drivers/thunderbolt/nhi_regs.h +++ b/drivers/thunderbolt/nhi_regs.h @@ -107,4 +107,15 @@ struct ring_desc { #define REG_DMA_MISC 0x39864 #define REG_DMA_MISC_INT_AUTO_CLEAR BIT(2) +#define REG_INMAIL_DATA 0x39900 + +#define REG_INMAIL_CMD 0x39904 +#define REG_INMAIL_CMD_MASK GENMASK(7, 0) +#define REG_INMAIL_ERROR BIT(30) +#define REG_INMAIL_OP_REQUEST BIT(31) + +#define REG_OUTMAIL_CMD 0x3990c +#define REG_OUTMAIL_CMD_OPMODE_SHIFT 8 +#define REG_OUTMAIL_CMD_OPMODE_MASK GENMASK(11, 8) + #endif |