diff options
author | Furquan Shaikh <furquan@google.com> | 2013-07-31 13:17:30 -0700 |
---|---|---|
committer | Patrick Georgi <patrick@georgi-clan.de> | 2013-12-21 13:27:03 +0100 |
commit | 997be3d2eef923024907a2b8ff37e6cb23394b9d (patch) | |
tree | 9b9482a1f7fd3a7254d1924bc81b2395c7ff1557 /src/drivers/intel/gma/intel_dp.c | |
parent | 771c3aca70e6fa8eb0b3ad5f6b6478578bfb5e85 (diff) |
Refactor code containing aux calls
Moved a lot of code from i915io.c to intel_dp.c with specific function calls
Change-Id: Ib2ed52b4f73ee0076e2dd68a26541e5bbe1366bc
Reviewed-on: https://gerrit.chromium.org/gerrit/63950
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Ronald G. Minnich <rminnich@chromium.org>
Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/4429
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/drivers/intel/gma/intel_dp.c')
-rw-r--r-- | src/drivers/intel/gma/intel_dp.c | 83 |
1 files changed, 81 insertions, 2 deletions
diff --git a/src/drivers/intel/gma/intel_dp.c b/src/drivers/intel/gma/intel_dp.c index 419e49ed2d..b824cb7950 100644 --- a/src/drivers/intel/gma/intel_dp.c +++ b/src/drivers/intel/gma/intel_dp.c @@ -250,6 +250,40 @@ intel_dp_aux_native_write_1(struct intel_dp *intel_dp, return intel_dp_aux_native_write(intel_dp, address, &byte, 1); } +int intel_dp_set_bw(struct intel_dp *intel_dp) +{ + printk(BIOS_SPEW, "DP_LINK_BW_SET"); + return intel_dp_aux_native_write_1(intel_dp, + DP_LINK_BW_SET, + intel_dp->link_bw); +} + +int intel_dp_set_lane_count(struct intel_dp *intel_dp) +{ + printk(BIOS_SPEW, "DP_LANE_COUNT_SET"); + return intel_dp_aux_native_write_1(intel_dp, + DP_LANE_COUNT_SET, + intel_dp->lane_count); +} + +int intel_dp_set_training_pattern(struct intel_dp *intel_dp, + u8 pat) +{ + printk(BIOS_SPEW, "DP_TRAINING_PATTERN_SET"); + return intel_dp_aux_native_write_1(intel_dp, + DP_TRAINING_PATTERN_SET, + pat); +} + +int intel_dp_set_training_lane0(struct intel_dp *intel_dp, + u8 val) +{ + printk(BIOS_SPEW, "DP_TRAINING_LANE0_SET"); + return intel_dp_aux_native_write_1(intel_dp, + DP_TRAINING_LANE0_SET, + val); +} + /* read bytes from a native aux channel */ static int intel_dp_aux_native_read(struct intel_dp *intel_dp, @@ -381,6 +415,24 @@ intel_dp_i2c_aux_ch(struct intel_dp *intel_dp, return -1; } +int intel_dp_i2c_write(struct intel_dp *intel_dp, + u8 val) +{ + return intel_dp_i2c_aux_ch(intel_dp, + MODE_I2C_WRITE, + val, + NULL); +} + +int intel_dp_i2c_read(struct intel_dp *intel_dp, + u8 *val) +{ + return intel_dp_i2c_aux_ch(intel_dp, + MODE_I2C_READ, + 0, + val); +} + int intel_dp_i2c_init(struct intel_dp *intel_dp) { @@ -990,7 +1042,7 @@ intel_dp_aux_native_read_retry(struct intel_dp *intel_dp, uint16_t address, * Fetch AUX CH registers 0x202 - 0x207 which contain * link status information */ -static int +int intel_dp_get_link_status(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE]) { @@ -1728,7 +1780,7 @@ int intel_dp_get_max_downspread(struct intel_dp *intel_dp, u8 *max_downspread) { int got, want = 1; - got = intel_dp_aux_native_read_retry(intel_dp, 0x000, max_downspread, + got = intel_dp_aux_native_read_retry(intel_dp, DP_MAX_DOWNSPREAD, max_downspread, want); if (got < want) { printk(BIOS_SPEW, "%s: got %d, wanted %d\n", __func__, got, want); @@ -1761,3 +1813,30 @@ void intel_dp_set_resolution(struct intel_dp *intel_dp) io_i915_write32(intel_dp->vblank, VBLANK(intel_dp->transcoder)); io_i915_write32(intel_dp->vsync, VSYNC(intel_dp->transcoder)); } + +int intel_dp_get_training_pattern(struct intel_dp *intel_dp, + u8 *recv) +{ + return intel_dp_aux_native_read_retry(intel_dp, + DP_TRAINING_PATTERN_SET, + recv, + 0); +} + +int intel_dp_get_lane_count(struct intel_dp *intel_dp, + u8 *recv) +{ + return intel_dp_aux_native_read_retry(intel_dp, + DP_LANE_COUNT_SET, + recv, + 0); +} + +int intel_dp_get_lane_align_status(struct intel_dp *intel_dp, + u8 *recv) +{ + return intel_dp_aux_native_read_retry(intel_dp, + DP_LANE_ALIGN_STATUS_UPDATED, + recv, + 0); +} |