phy: mediatek: Move mtk_hdmi_phy driver into drivers/phy/mediatek folder

mtk_hdmi_phy is currently placed inside mediatek drm driver, but it's
more suitable to place a phy driver into phy driver folder, so move
mtk_hdmi_phy driver into phy driver folder.

Signed-off-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Acked-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Tested-by: Frank Wunderlich <frank-w@public-files.de>

1 files changed, 0 insertions, 282 deletions

diff --git a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
deleted file mode 100644
index 827b93786fac..000000000000
--- a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
+++ /dev/null
@@ -1,282 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2014 MediaTek Inc.
- * Author: Jie Qiu <jie.qiu@mediatek.com>
- */
-
-#include "mtk_hdmi_phy.h"
-
-#define HDMI_CON0		0x00
-#define RG_HDMITX_PLL_EN		BIT(31)
-#define RG_HDMITX_PLL_FBKDIV		(0x7f << 24)
-#define PLL_FBKDIV_SHIFT		24
-#define RG_HDMITX_PLL_FBKSEL		(0x3 << 22)
-#define PLL_FBKSEL_SHIFT		22
-#define RG_HDMITX_PLL_PREDIV		(0x3 << 20)
-#define PREDIV_SHIFT			20
-#define RG_HDMITX_PLL_POSDIV		(0x3 << 18)
-#define POSDIV_SHIFT			18
-#define RG_HDMITX_PLL_RST_DLY		(0x3 << 16)
-#define RG_HDMITX_PLL_IR		(0xf << 12)
-#define PLL_IR_SHIFT			12
-#define RG_HDMITX_PLL_IC		(0xf << 8)
-#define PLL_IC_SHIFT			8
-#define RG_HDMITX_PLL_BP		(0xf << 4)
-#define PLL_BP_SHIFT			4
-#define RG_HDMITX_PLL_BR		(0x3 << 2)
-#define PLL_BR_SHIFT			2
-#define RG_HDMITX_PLL_BC		(0x3 << 0)
-#define PLL_BC_SHIFT			0
-#define HDMI_CON1		0x04
-#define RG_HDMITX_PLL_DIVEN		(0x7 << 29)
-#define PLL_DIVEN_SHIFT			29
-#define RG_HDMITX_PLL_AUTOK_EN		BIT(28)
-#define RG_HDMITX_PLL_AUTOK_KF		(0x3 << 26)
-#define RG_HDMITX_PLL_AUTOK_KS		(0x3 << 24)
-#define RG_HDMITX_PLL_AUTOK_LOAD	BIT(23)
-#define RG_HDMITX_PLL_BAND		(0x3f << 16)
-#define RG_HDMITX_PLL_REF_SEL		BIT(15)
-#define RG_HDMITX_PLL_BIAS_EN		BIT(14)
-#define RG_HDMITX_PLL_BIAS_LPF_EN	BIT(13)
-#define RG_HDMITX_PLL_TXDIV_EN		BIT(12)
-#define RG_HDMITX_PLL_TXDIV		(0x3 << 10)
-#define PLL_TXDIV_SHIFT			10
-#define RG_HDMITX_PLL_LVROD_EN		BIT(9)
-#define RG_HDMITX_PLL_MONVC_EN		BIT(8)
-#define RG_HDMITX_PLL_MONCK_EN		BIT(7)
-#define RG_HDMITX_PLL_MONREF_EN		BIT(6)
-#define RG_HDMITX_PLL_TST_EN		BIT(5)
-#define RG_HDMITX_PLL_TST_CK_EN		BIT(4)
-#define RG_HDMITX_PLL_TST_SEL		(0xf << 0)
-#define HDMI_CON2		0x08
-#define RGS_HDMITX_PLL_AUTOK_BAND	(0x7f << 8)
-#define RGS_HDMITX_PLL_AUTOK_FAIL	BIT(1)
-#define RG_HDMITX_EN_TX_CKLDO		BIT(0)
-#define HDMI_CON3		0x0c
-#define RG_HDMITX_SER_EN		(0xf << 28)
-#define RG_HDMITX_PRD_EN		(0xf << 24)
-#define RG_HDMITX_PRD_IMP_EN		(0xf << 20)
-#define RG_HDMITX_DRV_EN		(0xf << 16)
-#define RG_HDMITX_DRV_IMP_EN		(0xf << 12)
-#define DRV_IMP_EN_SHIFT		12
-#define RG_HDMITX_MHLCK_FORCE		BIT(10)
-#define RG_HDMITX_MHLCK_PPIX_EN		BIT(9)
-#define RG_HDMITX_MHLCK_EN		BIT(8)
-#define RG_HDMITX_SER_DIN_SEL		(0xf << 4)
-#define RG_HDMITX_SER_5T1_BIST_EN	BIT(3)
-#define RG_HDMITX_SER_BIST_TOG		BIT(2)
-#define RG_HDMITX_SER_DIN_TOG		BIT(1)
-#define RG_HDMITX_SER_CLKDIG_INV	BIT(0)
-#define HDMI_CON4		0x10
-#define RG_HDMITX_PRD_IBIAS_CLK		(0xf << 24)
-#define RG_HDMITX_PRD_IBIAS_D2		(0xf << 16)
-#define RG_HDMITX_PRD_IBIAS_D1		(0xf << 8)
-#define RG_HDMITX_PRD_IBIAS_D0		(0xf << 0)
-#define PRD_IBIAS_CLK_SHIFT		24
-#define PRD_IBIAS_D2_SHIFT		16
-#define PRD_IBIAS_D1_SHIFT		8
-#define PRD_IBIAS_D0_SHIFT		0
-#define HDMI_CON5		0x14
-#define RG_HDMITX_DRV_IBIAS_CLK		(0x3f << 24)
-#define RG_HDMITX_DRV_IBIAS_D2		(0x3f << 16)
-#define RG_HDMITX_DRV_IBIAS_D1		(0x3f << 8)
-#define RG_HDMITX_DRV_IBIAS_D0		(0x3f << 0)
-#define DRV_IBIAS_CLK_SHIFT		24
-#define DRV_IBIAS_D2_SHIFT		16
-#define DRV_IBIAS_D1_SHIFT		8
-#define DRV_IBIAS_D0_SHIFT		0
-#define HDMI_CON6		0x18
-#define RG_HDMITX_DRV_IMP_CLK		(0x3f << 24)
-#define RG_HDMITX_DRV_IMP_D2		(0x3f << 16)
-#define RG_HDMITX_DRV_IMP_D1		(0x3f << 8)
-#define RG_HDMITX_DRV_IMP_D0		(0x3f << 0)
-#define DRV_IMP_CLK_SHIFT		24
-#define DRV_IMP_D2_SHIFT		16
-#define DRV_IMP_D1_SHIFT		8
-#define DRV_IMP_D0_SHIFT		0
-#define HDMI_CON7		0x1c
-#define RG_HDMITX_MHLCK_DRV_IBIAS	(0x1f << 27)
-#define RG_HDMITX_SER_DIN		(0x3ff << 16)
-#define RG_HDMITX_CHLDC_TST		(0xf << 12)
-#define RG_HDMITX_CHLCK_TST		(0xf << 8)
-#define RG_HDMITX_RESERVE		(0xff << 0)
-#define HDMI_CON8		0x20
-#define RGS_HDMITX_2T1_LEV		(0xf << 16)
-#define RGS_HDMITX_2T1_EDG		(0xf << 12)
-#define RGS_HDMITX_5T1_LEV		(0xf << 8)
-#define RGS_HDMITX_5T1_EDG		(0xf << 4)
-#define RGS_HDMITX_PLUG_TST		BIT(0)
-
-static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
-{
-	struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
-
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_AUTOK_EN);
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_PLL_POSDIV);
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON3, RG_HDMITX_MHLCK_EN);
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_BIAS_EN);
-	usleep_range(100, 150);
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_PLL_EN);
-	usleep_range(100, 150);
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_BIAS_LPF_EN);
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_TXDIV_EN);
-
-	return 0;
-}
-
-static void mtk_hdmi_pll_unprepare(struct clk_hw *hw)
-{
-	struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
-
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_TXDIV_EN);
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_BIAS_LPF_EN);
-	usleep_range(100, 150);
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_PLL_EN);
-	usleep_range(100, 150);
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_BIAS_EN);
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_PLL_POSDIV);
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PLL_AUTOK_EN);
-	usleep_range(100, 150);
-}
-
-static long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				    unsigned long *parent_rate)
-{
-	struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
-
-	hdmi_phy->pll_rate = rate;
-	if (rate <= 74250000)
-		*parent_rate = rate;
-	else
-		*parent_rate = rate / 2;
-
-	return rate;
-}
-
-static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
-				 unsigned long parent_rate)
-{
-	struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
-	unsigned int pre_div;
-	unsigned int div;
-	unsigned int pre_ibias;
-	unsigned int hdmi_ibias;
-	unsigned int imp_en;
-
-	dev_dbg(hdmi_phy->dev, "%s: %lu Hz, parent: %lu Hz\n", __func__,
-		rate, parent_rate);
-
-	if (rate <= 27000000) {
-		pre_div = 0;
-		div = 3;
-	} else if (rate <= 74250000) {
-		pre_div = 1;
-		div = 2;
-	} else {
-		pre_div = 1;
-		div = 1;
-	}
-
-	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0,
-			  (pre_div << PREDIV_SHIFT), RG_HDMITX_PLL_PREDIV);
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_PLL_POSDIV);
-	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0,
-			  (0x1 << PLL_IC_SHIFT) | (0x1 << PLL_IR_SHIFT),
-			  RG_HDMITX_PLL_IC | RG_HDMITX_PLL_IR);
-	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1,
-			  (div << PLL_TXDIV_SHIFT), RG_HDMITX_PLL_TXDIV);
-	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0,
-			  (0x1 << PLL_FBKSEL_SHIFT) | (19 << PLL_FBKDIV_SHIFT),
-			  RG_HDMITX_PLL_FBKSEL | RG_HDMITX_PLL_FBKDIV);
-	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1,
-			  (0x2 << PLL_DIVEN_SHIFT), RG_HDMITX_PLL_DIVEN);
-	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0,
-			  (0xc << PLL_BP_SHIFT) | (0x2 << PLL_BC_SHIFT) |
-			  (0x1 << PLL_BR_SHIFT),
-			  RG_HDMITX_PLL_BP | RG_HDMITX_PLL_BC |
-			  RG_HDMITX_PLL_BR);
-	if (rate < 165000000) {
-		mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON3,
-					RG_HDMITX_PRD_IMP_EN);
-		pre_ibias = 0x3;
-		imp_en = 0x0;
-		hdmi_ibias = hdmi_phy->ibias;
-	} else {
-		mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON3,
-				      RG_HDMITX_PRD_IMP_EN);
-		pre_ibias = 0x6;
-		imp_en = 0xf;
-		hdmi_ibias = hdmi_phy->ibias_up;
-	}
-	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON4,
-			  (pre_ibias << PRD_IBIAS_CLK_SHIFT) |
-			  (pre_ibias << PRD_IBIAS_D2_SHIFT) |
-			  (pre_ibias << PRD_IBIAS_D1_SHIFT) |
-			  (pre_ibias << PRD_IBIAS_D0_SHIFT),
-			  RG_HDMITX_PRD_IBIAS_CLK |
-			  RG_HDMITX_PRD_IBIAS_D2 |
-			  RG_HDMITX_PRD_IBIAS_D1 |
-			  RG_HDMITX_PRD_IBIAS_D0);
-	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON3,
-			  (imp_en << DRV_IMP_EN_SHIFT),
-			  RG_HDMITX_DRV_IMP_EN);
-	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6,
-			  (hdmi_phy->drv_imp_clk << DRV_IMP_CLK_SHIFT) |
-			  (hdmi_phy->drv_imp_d2 << DRV_IMP_D2_SHIFT) |
-			  (hdmi_phy->drv_imp_d1 << DRV_IMP_D1_SHIFT) |
-			  (hdmi_phy->drv_imp_d0 << DRV_IMP_D0_SHIFT),
-			  RG_HDMITX_DRV_IMP_CLK | RG_HDMITX_DRV_IMP_D2 |
-			  RG_HDMITX_DRV_IMP_D1 | RG_HDMITX_DRV_IMP_D0);
-	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON5,
-			  (hdmi_ibias << DRV_IBIAS_CLK_SHIFT) |
-			  (hdmi_ibias << DRV_IBIAS_D2_SHIFT) |
-			  (hdmi_ibias << DRV_IBIAS_D1_SHIFT) |
-			  (hdmi_ibias << DRV_IBIAS_D0_SHIFT),
-			  RG_HDMITX_DRV_IBIAS_CLK |
-			  RG_HDMITX_DRV_IBIAS_D2 |
-			  RG_HDMITX_DRV_IBIAS_D1 |
-			  RG_HDMITX_DRV_IBIAS_D0);
-	return 0;
-}
-
-static unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
-					      unsigned long parent_rate)
-{
-	struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
-
-	return hdmi_phy->pll_rate;
-}
-
-static const struct clk_ops mtk_hdmi_phy_pll_ops = {
-	.prepare = mtk_hdmi_pll_prepare,
-	.unprepare = mtk_hdmi_pll_unprepare,
-	.set_rate = mtk_hdmi_pll_set_rate,
-	.round_rate = mtk_hdmi_pll_round_rate,
-	.recalc_rate = mtk_hdmi_pll_recalc_rate,
-};
-
-static void mtk_hdmi_phy_enable_tmds(struct mtk_hdmi_phy *hdmi_phy)
-{
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON3,
-			      RG_HDMITX_SER_EN | RG_HDMITX_PRD_EN |
-			      RG_HDMITX_DRV_EN);
-	usleep_range(100, 150);
-}
-
-static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
-{
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON3,
-				RG_HDMITX_DRV_EN | RG_HDMITX_PRD_EN |
-				RG_HDMITX_SER_EN);
-}
-
-struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf = {
-	.flags = CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE,
-	.hdmi_phy_clk_ops = &mtk_hdmi_phy_pll_ops,
-	.hdmi_phy_enable_tmds = mtk_hdmi_phy_enable_tmds,
-	.hdmi_phy_disable_tmds = mtk_hdmi_phy_disable_tmds,
-};
-
-MODULE_AUTHOR("Jie Qiu <jie.qiu@mediatek.com>");
-MODULE_DESCRIPTION("MediaTek MT8173 HDMI PHY Driver");
-MODULE_LICENSE("GPL v2");