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Refactor code containing aux calls

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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>
This commit is contained in:
Furquan Shaikh
2013-07-31 13:17:30 -07:00
committed by Patrick Georgi
parent 771c3aca70
commit 997be3d2ee
4 changed files with 148 additions and 149 deletions
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83
src/drivers/intel/gma/intel_dp.c
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@ -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);
}