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Message-ID: <20241217154345.276919-13-angelogioacchino.delregno@collabora.com>
Date: Tue, 17 Dec 2024 16:43:24 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: chunkuang.hu@...nel.org
Cc: p.zabel@...gutronix.de,
airlied@...il.com,
simona@...ll.ch,
maarten.lankhorst@...ux.intel.com,
mripard@...nel.org,
tzimmermann@...e.de,
robh@...nel.org,
krzk+dt@...nel.org,
conor+dt@...nel.org,
matthias.bgg@...il.com,
angelogioacchino.delregno@...labora.com,
ck.hu@...iatek.com,
jitao.shi@...iatek.com,
jie.qiu@...iatek.com,
junzhi.zhao@...iatek.com,
dri-devel@...ts.freedesktop.org,
linux-mediatek@...ts.infradead.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
kernel@...labora.com,
dmitry.baryshkov@...aro.org,
Guillaume Ranquet <granquet@...libre.com>
Subject: [PATCH v3 12/33] drm/mediatek: hdmi: Use regmap instead of iomem for main registers
From: Guillaume Ranquet <granquet@...libre.com>
In preparation for the addition of a new version of the HDMI IP
which will need to share its iospace between multiple subdrivers,
and in preparation for moving out the common bits between the two,
migrate this driver to fully use regmap.
Signed-off-by: Guillaume Ranquet <granquet@...libre.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
drivers/gpu/drm/mediatek/mtk_hdmi.c | 173 +++++++++++-----------------
1 file changed, 65 insertions(+), 108 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
index 9131c2fdfba8..d84fae1de2b0 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
@@ -170,7 +170,7 @@ struct mtk_hdmi {
u32 ibias_up;
struct regmap *sys_regmap;
unsigned int sys_offset;
- void __iomem *regs;
+ struct regmap *regs;
enum hdmi_colorspace csp;
struct platform_device *audio_pdev;
struct hdmi_audio_param aud_param;
@@ -187,50 +187,10 @@ static inline struct mtk_hdmi *hdmi_ctx_from_bridge(struct drm_bridge *b)
return container_of(b, struct mtk_hdmi, bridge);
}
-static u32 mtk_hdmi_read(struct mtk_hdmi *hdmi, u32 offset)
-{
- return readl(hdmi->regs + offset);
-}
-
-static void mtk_hdmi_write(struct mtk_hdmi *hdmi, u32 offset, u32 val)
-{
- writel(val, hdmi->regs + offset);
-}
-
-static void mtk_hdmi_clear_bits(struct mtk_hdmi *hdmi, u32 offset, u32 bits)
-{
- void __iomem *reg = hdmi->regs + offset;
- u32 tmp;
-
- tmp = readl(reg);
- tmp &= ~bits;
- writel(tmp, reg);
-}
-
-static void mtk_hdmi_set_bits(struct mtk_hdmi *hdmi, u32 offset, u32 bits)
-{
- void __iomem *reg = hdmi->regs + offset;
- u32 tmp;
-
- tmp = readl(reg);
- tmp |= bits;
- writel(tmp, reg);
-}
-
-static void mtk_hdmi_mask(struct mtk_hdmi *hdmi, u32 offset, u32 val, u32 mask)
-{
- void __iomem *reg = hdmi->regs + offset;
- u32 tmp;
-
- tmp = readl(reg);
- tmp = (tmp & ~mask) | (val & mask);
- writel(tmp, reg);
-}
-
static void mtk_hdmi_hw_vid_black(struct mtk_hdmi *hdmi, bool black)
{
- mtk_hdmi_mask(hdmi, VIDEO_CFG_4, black ? GEN_RGB : NORMAL_PATH,
- VIDEO_SOURCE_SEL);
+ regmap_update_bits(hdmi->regs, VIDEO_SOURCE_SEL,
+ VIDEO_CFG_4, black ? GEN_RGB : NORMAL_PATH);
}
static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable)
@@ -265,12 +225,12 @@ static void mtk_hdmi_hw_1p4_version_enable(struct mtk_hdmi *hdmi, bool enable)
static void mtk_hdmi_hw_aud_mute(struct mtk_hdmi *hdmi)
{
- mtk_hdmi_set_bits(hdmi, GRL_AUDIO_CFG, AUDIO_ZERO);
+ regmap_set_bits(hdmi->regs, GRL_AUDIO_CFG, AUDIO_ZERO);
}
static void mtk_hdmi_hw_aud_unmute(struct mtk_hdmi *hdmi)
{
- mtk_hdmi_clear_bits(hdmi, GRL_AUDIO_CFG, AUDIO_ZERO);
+ regmap_clear_bits(hdmi->regs, GRL_AUDIO_CFG, AUDIO_ZERO);
}
static void mtk_hdmi_hw_reset(struct mtk_hdmi *hdmi)
@@ -279,25 +239,25 @@ static void mtk_hdmi_hw_reset(struct mtk_hdmi *hdmi)
HDMI_RST, HDMI_RST);
regmap_update_bits(hdmi->sys_regmap, hdmi->sys_offset + HDMI_SYS_CFG1C,
HDMI_RST, 0);
- mtk_hdmi_clear_bits(hdmi, GRL_CFG3, CFG3_CONTROL_PACKET_DELAY);
+ regmap_clear_bits(hdmi->regs, GRL_CFG3, CFG3_CONTROL_PACKET_DELAY);
regmap_update_bits(hdmi->sys_regmap, hdmi->sys_offset + HDMI_SYS_CFG1C,
ANLG_ON, ANLG_ON);
}
static void mtk_hdmi_hw_enable_notice(struct mtk_hdmi *hdmi, bool enable_notice)
{
- mtk_hdmi_mask(hdmi, GRL_CFG2, enable_notice ? CFG2_NOTICE_EN : 0,
- CFG2_NOTICE_EN);
+ regmap_update_bits(hdmi->regs, GRL_CFG2, CFG2_NOTICE_EN,
+ enable_notice ? CFG2_NOTICE_EN : 0);
}
static void mtk_hdmi_hw_write_int_mask(struct mtk_hdmi *hdmi, u32 int_mask)
{
- mtk_hdmi_write(hdmi, GRL_INT_MASK, int_mask);
+ regmap_write(hdmi->regs, GRL_INT_MASK, int_mask);
}
static void mtk_hdmi_hw_enable_dvi_mode(struct mtk_hdmi *hdmi, bool enable)
{
- mtk_hdmi_mask(hdmi, GRL_CFG1, enable ? CFG1_DVI : 0, CFG1_DVI);
+ regmap_update_bits(hdmi->regs, GRL_CFG1, CFG1_DVI, enable ? CFG1_DVI : 0);
}
static void mtk_hdmi_hw_send_info_frame(struct mtk_hdmi *hdmi, u8 *buffer,
@@ -343,22 +303,22 @@ static void mtk_hdmi_hw_send_info_frame(struct mtk_hdmi *hdmi, u8 *buffer,
dev_err(hdmi->dev, "Unknown infoframe type %d\n", frame_type);
return;
}
- mtk_hdmi_clear_bits(hdmi, ctrl_reg, ctrl_frame_en);
- mtk_hdmi_write(hdmi, GRL_INFOFRM_TYPE, frame_type);
- mtk_hdmi_write(hdmi, GRL_INFOFRM_VER, frame_ver);
- mtk_hdmi_write(hdmi, GRL_INFOFRM_LNG, frame_len);
+ regmap_clear_bits(hdmi->regs, ctrl_reg, ctrl_frame_en);
+ regmap_write(hdmi->regs, GRL_INFOFRM_TYPE, frame_type);
+ regmap_write(hdmi->regs, GRL_INFOFRM_VER, frame_ver);
+ regmap_write(hdmi->regs, GRL_INFOFRM_LNG, frame_len);
- mtk_hdmi_write(hdmi, GRL_IFM_PORT, checksum);
+ regmap_write(hdmi->regs, GRL_IFM_PORT, checksum);
for (i = 0; i < frame_len; i++)
- mtk_hdmi_write(hdmi, GRL_IFM_PORT, frame_data[i]);
+ regmap_write(hdmi->regs, GRL_IFM_PORT, frame_data[i]);
- mtk_hdmi_set_bits(hdmi, ctrl_reg, ctrl_frame_en);
+ regmap_set_bits(hdmi->regs, ctrl_reg, ctrl_frame_en);
}
static void mtk_hdmi_hw_send_aud_packet(struct mtk_hdmi *hdmi, bool enable)
{
- mtk_hdmi_mask(hdmi, GRL_SHIFT_R2, enable ? 0 : AUDIO_PACKET_OFF,
- AUDIO_PACKET_OFF);
+ regmap_update_bits(hdmi->regs, AUDIO_PACKET_OFF,
+ GRL_SHIFT_R2, enable ? 0 : AUDIO_PACKET_OFF);
}
static void mtk_hdmi_hw_config_sys(struct mtk_hdmi *hdmi)
@@ -379,44 +339,44 @@ static void mtk_hdmi_hw_set_deep_color_mode(struct mtk_hdmi *hdmi)
static void mtk_hdmi_hw_send_av_mute(struct mtk_hdmi *hdmi)
{
- mtk_hdmi_clear_bits(hdmi, GRL_CFG4, CTRL_AVMUTE);
+ regmap_clear_bits(hdmi->regs, GRL_CFG4, CTRL_AVMUTE);
usleep_range(2000, 4000);
- mtk_hdmi_set_bits(hdmi, GRL_CFG4, CTRL_AVMUTE);
+ regmap_set_bits(hdmi->regs, GRL_CFG4, CTRL_AVMUTE);
}
static void mtk_hdmi_hw_send_av_unmute(struct mtk_hdmi *hdmi)
{
- mtk_hdmi_mask(hdmi, GRL_CFG4, CFG4_AV_UNMUTE_EN,
- CFG4_AV_UNMUTE_EN | CFG4_AV_UNMUTE_SET);
+ regmap_update_bits(hdmi->regs, GRL_CFG4, CFG4_AV_UNMUTE_EN | CFG4_AV_UNMUTE_SET,
+ CFG4_AV_UNMUTE_EN);
usleep_range(2000, 4000);
- mtk_hdmi_mask(hdmi, GRL_CFG4, CFG4_AV_UNMUTE_SET,
- CFG4_AV_UNMUTE_EN | CFG4_AV_UNMUTE_SET);
+ regmap_update_bits(hdmi->regs, GRL_CFG4, CFG4_AV_UNMUTE_EN | CFG4_AV_UNMUTE_SET,
+ CFG4_AV_UNMUTE_SET);
}
static void mtk_hdmi_hw_ncts_enable(struct mtk_hdmi *hdmi, bool on)
{
- mtk_hdmi_mask(hdmi, GRL_CTS_CTRL, on ? 0 : CTS_CTRL_SOFT,
- CTS_CTRL_SOFT);
+ regmap_update_bits(hdmi->regs, GRL_CTS_CTRL, CTS_CTRL_SOFT,
+ on ? 0 : CTS_CTRL_SOFT);
}
static void mtk_hdmi_hw_ncts_auto_write_enable(struct mtk_hdmi *hdmi,
bool enable)
{
- mtk_hdmi_mask(hdmi, GRL_CTS_CTRL, enable ? NCTS_WRI_ANYTIME : 0,
- NCTS_WRI_ANYTIME);
+ regmap_update_bits(hdmi->regs, GRL_CTS_CTRL, NCTS_WRI_ANYTIME,
+ enable ? NCTS_WRI_ANYTIME : 0);
}
static void mtk_hdmi_hw_msic_setting(struct mtk_hdmi *hdmi,
struct drm_display_mode *mode)
{
- mtk_hdmi_clear_bits(hdmi, GRL_CFG4, CFG4_MHL_MODE);
+ regmap_clear_bits(hdmi->regs, GRL_CFG4, CFG4_MHL_MODE);
if (mode->flags & DRM_MODE_FLAG_INTERLACE &&
mode->clock == 74250 &&
mode->vdisplay == 1080)
- mtk_hdmi_clear_bits(hdmi, GRL_CFG2, CFG2_MHL_DE_SEL);
+ regmap_clear_bits(hdmi->regs, GRL_CFG2, CFG2_MHL_DE_SEL);
else
- mtk_hdmi_set_bits(hdmi, GRL_CFG2, CFG2_MHL_DE_SEL);
+ regmap_set_bits(hdmi->regs, GRL_CFG2, CFG2_MHL_DE_SEL);
}
static void mtk_hdmi_hw_aud_set_channel_swap(struct mtk_hdmi *hdmi,
@@ -444,7 +404,7 @@ static void mtk_hdmi_hw_aud_set_channel_swap(struct mtk_hdmi *hdmi,
swap_bit = LFE_CC_SWAP;
break;
}
- mtk_hdmi_mask(hdmi, GRL_CH_SWAP, swap_bit, 0xff);
+ regmap_update_bits(hdmi->regs, GRL_CH_SWAP, 0xff, swap_bit);
}
static void mtk_hdmi_hw_aud_set_bit_num(struct mtk_hdmi *hdmi,
@@ -465,7 +425,7 @@ static void mtk_hdmi_hw_aud_set_bit_num(struct mtk_hdmi *hdmi,
break;
}
- mtk_hdmi_mask(hdmi, GRL_AOUT_CFG, val, AOUT_BNUM_SEL_MASK);
+ regmap_update_bits(hdmi->regs, GRL_AOUT_CFG, AOUT_BNUM_SEL_MASK, val);
}
static void mtk_hdmi_hw_aud_set_i2s_fmt(struct mtk_hdmi *hdmi,
@@ -473,7 +433,7 @@ static void mtk_hdmi_hw_aud_set_i2s_fmt(struct mtk_hdmi *hdmi,
{
u32 val;
- val = mtk_hdmi_read(hdmi, GRL_CFG0);
+ regmap_read(hdmi->regs, GRL_CFG0, &val);
val &= ~(CFG0_W_LENGTH_MASK | CFG0_I2S_MODE_MASK);
switch (i2s_fmt) {
@@ -497,7 +457,7 @@ static void mtk_hdmi_hw_aud_set_i2s_fmt(struct mtk_hdmi *hdmi,
val |= CFG0_I2S_MODE_I2S | CFG0_W_LENGTH_16BIT;
break;
}
- mtk_hdmi_write(hdmi, GRL_CFG0, val);
+ regmap_write(hdmi->regs, GRL_CFG0, val);
}
static void mtk_hdmi_hw_audio_config(struct mtk_hdmi *hdmi, bool dst)
@@ -506,14 +466,14 @@ static void mtk_hdmi_hw_audio_config(struct mtk_hdmi *hdmi, bool dst)
u8 val;
/* Disable high bitrate, set DST packet normal/double */
- mtk_hdmi_clear_bits(hdmi, GRL_AOUT_CFG, HIGH_BIT_RATE_PACKET_ALIGN);
+ regmap_clear_bits(hdmi->regs, GRL_AOUT_CFG, HIGH_BIT_RATE_PACKET_ALIGN);
if (dst)
val = DST_NORMAL_DOUBLE | SACD_DST;
else
val = 0;
- mtk_hdmi_mask(hdmi, GRL_AUDIO_CFG, val, mask);
+ regmap_update_bits(hdmi->regs, GRL_AUDIO_CFG, mask, val);
}
static void mtk_hdmi_hw_aud_set_i2s_chan_num(struct mtk_hdmi *hdmi,
@@ -554,10 +514,10 @@ static void mtk_hdmi_hw_aud_set_i2s_chan_num(struct mtk_hdmi *hdmi,
i2s_uv = I2S_UV_CH_EN(0);
}
- mtk_hdmi_write(hdmi, GRL_CH_SW0, ch_switch & 0xff);
- mtk_hdmi_write(hdmi, GRL_CH_SW1, (ch_switch >> 8) & 0xff);
- mtk_hdmi_write(hdmi, GRL_CH_SW2, (ch_switch >> 16) & 0xff);
- mtk_hdmi_write(hdmi, GRL_I2S_UV, i2s_uv);
+ regmap_write(hdmi->regs, GRL_CH_SW0, ch_switch & 0xff);
+ regmap_write(hdmi->regs, GRL_CH_SW1, (ch_switch >> 8) & 0xff);
+ regmap_write(hdmi->regs, GRL_CH_SW2, (ch_switch >> 16) & 0xff);
+ regmap_write(hdmi->regs, GRL_I2S_UV, i2s_uv);
}
static void mtk_hdmi_hw_aud_set_input_type(struct mtk_hdmi *hdmi,
@@ -565,7 +525,7 @@ static void mtk_hdmi_hw_aud_set_input_type(struct mtk_hdmi *hdmi,
{
u32 val;
- val = mtk_hdmi_read(hdmi, GRL_CFG1);
+ regmap_read(hdmi->regs, GRL_CFG1, &val);
if (input_type == HDMI_AUD_INPUT_I2S &&
(val & CFG1_SPDIF) == CFG1_SPDIF) {
val &= ~CFG1_SPDIF;
@@ -573,7 +533,7 @@ static void mtk_hdmi_hw_aud_set_input_type(struct mtk_hdmi *hdmi,
(val & CFG1_SPDIF) == 0) {
val |= CFG1_SPDIF;
}
- mtk_hdmi_write(hdmi, GRL_CFG1, val);
+ regmap_write(hdmi->regs, GRL_CFG1, val);
}
static void mtk_hdmi_hw_aud_set_channel_status(struct mtk_hdmi *hdmi,
@@ -582,13 +542,13 @@ static void mtk_hdmi_hw_aud_set_channel_status(struct mtk_hdmi *hdmi,
int i;
for (i = 0; i < 5; i++) {
- mtk_hdmi_write(hdmi, GRL_I2S_C_STA0 + i * 4, channel_status[i]);
- mtk_hdmi_write(hdmi, GRL_L_STATUS_0 + i * 4, channel_status[i]);
- mtk_hdmi_write(hdmi, GRL_R_STATUS_0 + i * 4, channel_status[i]);
+ regmap_write(hdmi->regs, GRL_I2S_C_STA0 + i * 4, channel_status[i]);
+ regmap_write(hdmi->regs, GRL_L_STATUS_0 + i * 4, channel_status[i]);
+ regmap_write(hdmi->regs, GRL_R_STATUS_0 + i * 4, channel_status[i]);
}
for (; i < 24; i++) {
- mtk_hdmi_write(hdmi, GRL_L_STATUS_0 + i * 4, 0);
- mtk_hdmi_write(hdmi, GRL_R_STATUS_0 + i * 4, 0);
+ regmap_write(hdmi->regs, GRL_L_STATUS_0 + i * 4, 0);
+ regmap_write(hdmi->regs, GRL_R_STATUS_0 + i * 4, 0);
}
}
@@ -596,13 +556,13 @@ static void mtk_hdmi_hw_aud_src_reenable(struct mtk_hdmi *hdmi)
{
u32 val;
- val = mtk_hdmi_read(hdmi, GRL_MIX_CTRL);
+ regmap_read(hdmi->regs, GRL_MIX_CTRL, &val);
if (val & MIX_CTRL_SRC_EN) {
val &= ~MIX_CTRL_SRC_EN;
- mtk_hdmi_write(hdmi, GRL_MIX_CTRL, val);
+ regmap_write(hdmi->regs, GRL_MIX_CTRL, val);
usleep_range(255, 512);
val |= MIX_CTRL_SRC_EN;
- mtk_hdmi_write(hdmi, GRL_MIX_CTRL, val);
+ regmap_write(hdmi->regs, GRL_MIX_CTRL, val);
}
}
@@ -610,10 +570,10 @@ static void mtk_hdmi_hw_aud_src_disable(struct mtk_hdmi *hdmi)
{
u32 val;
- val = mtk_hdmi_read(hdmi, GRL_MIX_CTRL);
+ regmap_read(hdmi->regs, GRL_MIX_CTRL, &val);
val &= ~MIX_CTRL_SRC_EN;
- mtk_hdmi_write(hdmi, GRL_MIX_CTRL, val);
- mtk_hdmi_write(hdmi, GRL_SHIFT_L1, 0x00);
+ regmap_write(hdmi->regs, GRL_MIX_CTRL, val);
+ regmap_write(hdmi->regs, GRL_SHIFT_L1, 0x00);
}
static void mtk_hdmi_hw_aud_set_mclk(struct mtk_hdmi *hdmi,
@@ -621,7 +581,7 @@ static void mtk_hdmi_hw_aud_set_mclk(struct mtk_hdmi *hdmi,
{
u32 val;
- val = mtk_hdmi_read(hdmi, GRL_CFG5);
+ regmap_read(hdmi->regs, GRL_CFG5, &val);
val &= CFG5_CD_RATIO_MASK;
switch (mclk) {
@@ -644,7 +604,7 @@ static void mtk_hdmi_hw_aud_set_mclk(struct mtk_hdmi *hdmi,
val |= CFG5_FS256;
break;
}
- mtk_hdmi_write(hdmi, GRL_CFG5, val);
+ regmap_write(hdmi->regs, GRL_CFG5, val);
}
struct hdmi_acr_n {
@@ -728,9 +688,9 @@ static void do_hdmi_hw_aud_set_ncts(struct mtk_hdmi *hdmi, unsigned int n,
unsigned char val[NCTS_BYTES];
int i;
- mtk_hdmi_write(hdmi, GRL_NCTS, 0);
- mtk_hdmi_write(hdmi, GRL_NCTS, 0);
- mtk_hdmi_write(hdmi, GRL_NCTS, 0);
+ regmap_write(hdmi->regs, GRL_NCTS, 0);
+ regmap_write(hdmi->regs, GRL_NCTS, 0);
+ regmap_write(hdmi->regs, GRL_NCTS, 0);
memset(val, 0, sizeof(val));
val[0] = (cts >> 24) & 0xff;
@@ -743,7 +703,7 @@ static void do_hdmi_hw_aud_set_ncts(struct mtk_hdmi *hdmi, unsigned int n,
val[6] = n & 0xff;
for (i = 0; i < NCTS_BYTES; i++)
- mtk_hdmi_write(hdmi, GRL_NCTS, val[i]);
+ regmap_write(hdmi->regs, GRL_NCTS, val[i]);
}
static void mtk_hdmi_hw_aud_set_ncts(struct mtk_hdmi *hdmi,
@@ -758,8 +718,7 @@ static void mtk_hdmi_hw_aud_set_ncts(struct mtk_hdmi *hdmi,
dev_dbg(hdmi->dev, "%s: sample_rate=%u, clock=%d, cts=%u, n=%u\n",
__func__, sample_rate, clock, n, cts);
- mtk_hdmi_mask(hdmi, DUMMY_304, AUDIO_I2S_NCTS_SEL_64,
- AUDIO_I2S_NCTS_SEL);
+ regmap_update_bits(hdmi->regs, DUMMY_304, AUDIO_I2S_NCTS_SEL, AUDIO_I2S_NCTS_SEL_64);
do_hdmi_hw_aud_set_ncts(hdmi, n, cts);
}
@@ -879,7 +838,7 @@ static void mtk_hdmi_aud_set_input(struct mtk_hdmi *hdmi)
bool dst;
mtk_hdmi_hw_aud_set_channel_swap(hdmi, HDMI_AUD_SWAP_LFE_CC);
- mtk_hdmi_set_bits(hdmi, GRL_MIX_CTRL, MIX_CTRL_FLAT);
+ regmap_set_bits(hdmi->regs, GRL_MIX_CTRL, MIX_CTRL_FLAT);
if (hdmi->aud_param.aud_input_type == HDMI_AUD_INPUT_SPDIF &&
hdmi->aud_param.aud_codec == HDMI_AUDIO_CODING_TYPE_DST) {
@@ -911,7 +870,7 @@ static int mtk_hdmi_aud_set_src(struct mtk_hdmi *hdmi,
mtk_hdmi_hw_ncts_enable(hdmi, false);
mtk_hdmi_hw_aud_src_disable(hdmi);
- mtk_hdmi_clear_bits(hdmi, GRL_CFG2, CFG2_ACLK_INV);
+ regmap_clear_bits(hdmi->regs, GRL_CFG2, CFG2_ACLK_INV);
if (hdmi->aud_param.aud_input_type == HDMI_AUD_INPUT_I2S) {
switch (sample_rate) {
@@ -1425,7 +1384,6 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi,
struct device_node *cec_np, *remote, *i2c_np;
struct platform_device *cec_pdev;
struct regmap *regmap;
- struct resource *mem;
int ret;
ret = mtk_hdmi_get_all_clk(hdmi, np);
@@ -1471,8 +1429,7 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi,
}
hdmi->sys_regmap = regmap;
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- hdmi->regs = devm_ioremap_resource(dev, mem);
+ hdmi->regs = device_node_to_regmap(dev->of_node);
if (IS_ERR(hdmi->regs)) {
ret = PTR_ERR(hdmi->regs);
goto put_device;
--
2.47.0
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