soc/mediatek/mt8183: Move dsi driver to common/

The mt8183 dsi driver can be shared with mt819x SoC.
Move dsi.c to common/ folder and rename it to dis_v2.c to
differentiate it from mt8173's dsi driver.

TEST=emerge-kukuki coreboot

Change-Id: I722d3e67f230ab8eb729900cdf15b922eb91a072
Signed-off-by: Yidi Lin <yidi.lin@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48530
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>

2 files changed, 1 insertions, 72 deletions

diff --git a/src/soc/mediatek/mt8183/Makefile.inc b/src/soc/mediatek/mt8183/Makefile.inc
index b5d5173b70b0..744455d5aa3c 100644
--- a/src/soc/mediatek/mt8183/Makefile.inc
+++ b/src/soc/mediatek/mt8183/Makefile.inc
@@ -47,7 +47,7 @@ romstage-y += ../common/wdt.c
 ramstage-y += emi.c
 ramstage-y += ../common/auxadc.c
 ramstage-y += ../common/ddp.c ddp.c
-ramstage-y += ../common/dsi.c dsi.c
+ramstage-y += ../common/dsi.c ../common/mtk_mipi_dphy.c
 ramstage-y += ../common/gpio.c gpio.c
 ramstage-y += ../common/i2c.c i2c.c
 ramstage-y += ../common/mcu.c
diff --git a/src/soc/mediatek/mt8183/dsi.c b/src/soc/mediatek/mt8183/dsi.c
deleted file mode 100644
index fa73ddb4e685..000000000000
--- a/src/soc/mediatek/mt8183/dsi.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <assert.h>
-#include <device/mmio.h>
-#include <delay.h>
-#include <soc/dsi.h>
-#include <soc/pll.h>
-#include <types.h>
-
-void mtk_dsi_configure_mipi_tx(u32 data_rate, u32 lanes)
-{
-	unsigned int txdiv0, txdiv1;
-	u64 pcw;
-
-	if (data_rate >= 2000 * MHz) {
-		txdiv0 = 0;
-		txdiv1 = 0;
-	} else if (data_rate >= 1000 * MHz) {
-		txdiv0 = 1;
-		txdiv1 = 0;
-	} else if (data_rate >= 500 * MHz) {
-		txdiv0 = 2;
-		txdiv1 = 0;
-	} else if (data_rate > 250 * MHz) {
-		/* (data_rate == 250MHz) is a special case that should go to the
-		   else-block below (txdiv0 = 4) */
-		txdiv0 = 3;
-		txdiv1 = 0;
-	} else {
-		/* MIN = 125 */
-		assert(data_rate >= MTK_DSI_DATA_RATE_MIN_MHZ * MHz);
-		txdiv0 = 4;
-		txdiv1 = 0;
-	}
-
-	clrbits32(&mipi_tx->pll_con4, BIT(11) | BIT(10));
-	setbits32(&mipi_tx->pll_pwr, AD_DSI_PLL_SDM_PWR_ON);
-	udelay(30);
-	clrbits32(&mipi_tx->pll_pwr, AD_DSI_PLL_SDM_ISO_EN);
-
-	pcw = (u64)data_rate * (1 << txdiv0) * (1 << txdiv1);
-	pcw <<= 24;
-	pcw /= CLK26M_HZ;
-
-	write32(&mipi_tx->pll_con0, pcw);
-	clrsetbits32(&mipi_tx->pll_con1, RG_DSI_PLL_POSDIV, txdiv0 << 8);
-	udelay(30);
-	setbits32(&mipi_tx->pll_con1, RG_DSI_PLL_EN);
-
-	/* BG_LPF_EN / BG_CORE_EN */
-	write32(&mipi_tx->lane_con, 0x3fff0180);
-	udelay(40);
-	write32(&mipi_tx->lane_con, 0x3fff00c0);
-
-	/* Switch OFF each Lane */
-	clrbits32(&mipi_tx->d0_sw_ctl_en, DSI_SW_CTL_EN);
-	clrbits32(&mipi_tx->d1_sw_ctl_en, DSI_SW_CTL_EN);
-	clrbits32(&mipi_tx->d2_sw_ctl_en, DSI_SW_CTL_EN);
-	clrbits32(&mipi_tx->d3_sw_ctl_en, DSI_SW_CTL_EN);
-	clrbits32(&mipi_tx->ck_sw_ctl_en, DSI_SW_CTL_EN);
-
-	setbits32(&mipi_tx->ck_ckmode_en, DSI_CK_CKMODE_EN);
-}
-
-void mtk_dsi_reset(void)
-{
-	write32(&dsi0->dsi_force_commit,
-		DSI_FORCE_COMMIT_USE_MMSYS | DSI_FORCE_COMMIT_ALWAYS);
-	write32(&dsi0->dsi_con_ctrl, 1);
-	write32(&dsi0->dsi_con_ctrl, 0);
-}