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path: root/drivers/gpu/drm/mediatek/mtk_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_hdmi.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_hdmi.c413
1 files changed, 171 insertions, 242 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
index 06e4fac152b7..8803cd4a8bc9 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
@@ -31,7 +31,6 @@
#include <drm/drm_probe_helper.h>
#include "mtk_cec.h"
-#include "mtk_hdmi.h"
#include "mtk_hdmi_regs.h"
#define NCTS_BYTES 7
@@ -165,7 +164,7 @@ struct mtk_hdmi {
bool dvi_mode;
struct regmap *sys_regmap;
unsigned int sys_offset;
- void __iomem *regs;
+ struct regmap *regs;
struct platform_device *audio_pdev;
struct hdmi_audio_param aud_param;
bool audio_enable;
@@ -181,50 +180,10 @@ 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)
@@ -259,12 +218,12 @@ 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)
@@ -273,25 +232,25 @@ 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,
@@ -337,22 +296,22 @@ 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)
@@ -373,44 +332,44 @@ 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,
@@ -438,7 +397,7 @@ 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,
@@ -459,7 +418,7 @@ 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,
@@ -467,7 +426,7 @@ 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) {
@@ -491,7 +450,7 @@ 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)
@@ -500,14 +459,14 @@ 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,
@@ -548,10 +507,10 @@ 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,
@@ -559,7 +518,7 @@ 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;
@@ -567,7 +526,7 @@ 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,
@@ -576,13 +535,13 @@ 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);
}
}
@@ -590,13 +549,13 @@ 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);
}
}
@@ -604,10 +563,10 @@ 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,
@@ -615,7 +574,7 @@ 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) {
@@ -638,7 +597,7 @@ 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 {
@@ -716,15 +675,22 @@ static unsigned int hdmi_expected_cts(unsigned int audio_sample_rate,
128 * audio_sample_rate);
}
+static void mtk_hdmi_get_ncts(unsigned int sample_rate, unsigned int clock,
+ unsigned int *n, unsigned int *cts)
+{
+ *n = hdmi_recommended_n(sample_rate, clock);
+ *cts = hdmi_expected_cts(sample_rate, clock, *n);
+}
+
static void do_hdmi_hw_aud_set_ncts(struct mtk_hdmi *hdmi, unsigned int n,
unsigned int cts)
{
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;
@@ -737,7 +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,
@@ -746,14 +712,12 @@ static void mtk_hdmi_hw_aud_set_ncts(struct mtk_hdmi *hdmi,
{
unsigned int n, cts;
- n = hdmi_recommended_n(sample_rate, clock);
- cts = hdmi_expected_cts(sample_rate, clock, n);
+ mtk_hdmi_get_ncts(sample_rate, clock, &n, &cts);
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);
}
@@ -873,7 +837,7 @@ 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) {
@@ -905,7 +869,7 @@ 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) {
@@ -1061,20 +1025,6 @@ static int mtk_hdmi_setup_vendor_specific_infoframe(struct mtk_hdmi *hdmi,
return 0;
}
-static int mtk_hdmi_output_init(struct mtk_hdmi *hdmi)
-{
- struct hdmi_audio_param *aud_param = &hdmi->aud_param;
-
- aud_param->aud_codec = HDMI_AUDIO_CODING_TYPE_PCM;
- aud_param->aud_sample_size = HDMI_AUDIO_SAMPLE_SIZE_16;
- aud_param->aud_input_type = HDMI_AUD_INPUT_I2S;
- aud_param->aud_i2s_fmt = HDMI_I2S_MODE_I2S_24BIT;
- aud_param->aud_mclk = HDMI_AUD_MCLK_128FS;
- aud_param->aud_input_chan_type = HDMI_AUD_CHAN_TYPE_2_0;
-
- return 0;
-}
-
static void mtk_hdmi_audio_enable(struct mtk_hdmi *hdmi)
{
mtk_hdmi_hw_send_aud_packet(hdmi, true);
@@ -1087,20 +1037,6 @@ static void mtk_hdmi_audio_disable(struct mtk_hdmi *hdmi)
hdmi->audio_enable = false;
}
-static int mtk_hdmi_audio_set_param(struct mtk_hdmi *hdmi,
- struct hdmi_audio_param *param)
-{
- if (!hdmi->audio_enable) {
- dev_err(hdmi->dev, "hdmi audio is in disable state!\n");
- return -EINVAL;
- }
- dev_dbg(hdmi->dev, "codec:%d, input:%d, channel:%d, fs:%d\n",
- param->aud_codec, param->aud_input_type,
- param->aud_input_chan_type, param->codec_params.sample_rate);
- memcpy(&hdmi->aud_param, param, sizeof(*param));
- return mtk_hdmi_aud_output_config(hdmi, &hdmi->mode);
-}
-
static int mtk_hdmi_output_set_display_mode(struct mtk_hdmi *hdmi,
struct drm_display_mode *mode)
{
@@ -1269,6 +1205,7 @@ static const struct drm_edid *mtk_hdmi_bridge_edid_read(struct drm_bridge *bridg
}
static int mtk_hdmi_bridge_attach(struct drm_bridge *bridge,
+ struct drm_encoder *encoder,
enum drm_bridge_attach_flags flags)
{
struct mtk_hdmi *hdmi = hdmi_ctx_from_bridge(bridge);
@@ -1281,7 +1218,7 @@ static int mtk_hdmi_bridge_attach(struct drm_bridge *bridge,
}
if (hdmi->next_bridge) {
- ret = drm_bridge_attach(bridge->encoder, hdmi->next_bridge,
+ ret = drm_bridge_attach(encoder, hdmi->next_bridge,
bridge, flags);
if (ret)
return ret;
@@ -1407,30 +1344,20 @@ static const struct drm_bridge_funcs mtk_hdmi_bridge_funcs = {
.edid_read = mtk_hdmi_bridge_edid_read,
};
-static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi,
- struct platform_device *pdev)
+static int mtk_hdmi_get_cec_dev(struct mtk_hdmi *hdmi, struct device *dev, struct device_node *np)
{
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
- struct device_node *cec_np, *remote, *i2c_np;
struct platform_device *cec_pdev;
- struct regmap *regmap;
+ struct device_node *cec_np;
int ret;
ret = mtk_hdmi_get_all_clk(hdmi, np);
- if (ret) {
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to get clocks: %d\n", ret);
-
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to get clocks\n");
/* The CEC module handles HDMI hotplug detection */
cec_np = of_get_compatible_child(np->parent, "mediatek,mt8173-cec");
- if (!cec_np) {
- dev_err(dev, "Failed to find CEC node\n");
- return -EINVAL;
- }
+ if (!cec_np)
+ return dev_err_probe(dev, -EINVAL, "Failed to find CEC node\n");
cec_pdev = of_find_device_by_node(cec_np);
if (!cec_pdev) {
@@ -1440,82 +1367,77 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi,
return -EPROBE_DEFER;
}
of_node_put(cec_np);
- hdmi->cec_dev = &cec_pdev->dev;
/*
* The mediatek,syscon-hdmi property contains a phandle link to the
* MMSYS_CONFIG device and the register offset of the HDMI_SYS_CFG
* registers it contains.
*/
- regmap = syscon_regmap_lookup_by_phandle(np, "mediatek,syscon-hdmi");
- ret = of_property_read_u32_index(np, "mediatek,syscon-hdmi", 1,
- &hdmi->sys_offset);
- if (IS_ERR(regmap))
- ret = PTR_ERR(regmap);
- if (ret) {
- dev_err(dev,
- "Failed to get system configuration registers: %d\n",
- ret);
- goto put_device;
- }
- hdmi->sys_regmap = regmap;
+ hdmi->sys_regmap = syscon_regmap_lookup_by_phandle_args(np, "mediatek,syscon-hdmi",
+ 1, &hdmi->sys_offset);
+ if (IS_ERR(hdmi->sys_regmap))
+ return dev_err_probe(dev, PTR_ERR(hdmi->sys_regmap),
+ "Failed to get system configuration registers\n");
- hdmi->regs = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(hdmi->regs)) {
- ret = PTR_ERR(hdmi->regs);
- goto put_device;
- }
+ hdmi->cec_dev = &cec_pdev->dev;
+ return 0;
+}
+
+static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi,
+ struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct device_node *remote, *i2c_np;
+ int ret;
+
+ ret = mtk_hdmi_get_all_clk(hdmi, np);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to get clocks\n");
+
+ hdmi->regs = device_node_to_regmap(dev->of_node);
+ if (IS_ERR(hdmi->regs))
+ return PTR_ERR(hdmi->regs);
remote = of_graph_get_remote_node(np, 1, 0);
- if (!remote) {
- ret = -EINVAL;
- goto put_device;
- }
+ if (!remote)
+ return -EINVAL;
if (!of_device_is_compatible(remote, "hdmi-connector")) {
hdmi->next_bridge = of_drm_find_bridge(remote);
if (!hdmi->next_bridge) {
dev_err(dev, "Waiting for external bridge\n");
of_node_put(remote);
- ret = -EPROBE_DEFER;
- goto put_device;
+ return -EPROBE_DEFER;
}
}
i2c_np = of_parse_phandle(remote, "ddc-i2c-bus", 0);
- if (!i2c_np) {
- dev_err(dev, "Failed to find ddc-i2c-bus node in %pOF\n",
- remote);
- of_node_put(remote);
- ret = -EINVAL;
- goto put_device;
- }
of_node_put(remote);
+ if (!i2c_np)
+ return dev_err_probe(dev, -EINVAL, "No ddc-i2c-bus in connector\n");
hdmi->ddc_adpt = of_find_i2c_adapter_by_node(i2c_np);
of_node_put(i2c_np);
- if (!hdmi->ddc_adpt) {
- dev_err(dev, "Failed to get ddc i2c adapter by node\n");
- ret = -EINVAL;
- goto put_device;
- }
+ if (!hdmi->ddc_adpt)
+ return dev_err_probe(dev, -EINVAL, "Failed to get ddc i2c adapter by node\n");
+
+ ret = mtk_hdmi_get_cec_dev(hdmi, dev, np);
+ if (ret)
+ return ret;
return 0;
-put_device:
- put_device(hdmi->cec_dev);
- return ret;
}
/*
* HDMI audio codec callbacks
*/
-static int mtk_hdmi_audio_hw_params(struct device *dev, void *data,
- struct hdmi_codec_daifmt *daifmt,
- struct hdmi_codec_params *params)
+static int mtk_hdmi_audio_params(struct mtk_hdmi *hdmi,
+ struct hdmi_codec_daifmt *daifmt,
+ struct hdmi_codec_params *params)
{
- struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
- struct hdmi_audio_param hdmi_params;
+ struct hdmi_audio_param aud_params = { 0 };
unsigned int chan = params->cea.channels;
dev_dbg(hdmi->dev, "%s: %u Hz, %d bit, %d channels\n", __func__,
@@ -1526,16 +1448,16 @@ static int mtk_hdmi_audio_hw_params(struct device *dev, void *data,
switch (chan) {
case 2:
- hdmi_params.aud_input_chan_type = HDMI_AUD_CHAN_TYPE_2_0;
+ aud_params.aud_input_chan_type = HDMI_AUD_CHAN_TYPE_2_0;
break;
case 4:
- hdmi_params.aud_input_chan_type = HDMI_AUD_CHAN_TYPE_4_0;
+ aud_params.aud_input_chan_type = HDMI_AUD_CHAN_TYPE_4_0;
break;
case 6:
- hdmi_params.aud_input_chan_type = HDMI_AUD_CHAN_TYPE_5_1;
+ aud_params.aud_input_chan_type = HDMI_AUD_CHAN_TYPE_5_1;
break;
case 8:
- hdmi_params.aud_input_chan_type = HDMI_AUD_CHAN_TYPE_7_1;
+ aud_params.aud_input_chan_type = HDMI_AUD_CHAN_TYPE_7_1;
break;
default:
dev_err(hdmi->dev, "channel[%d] not supported!\n", chan);
@@ -1559,27 +1481,45 @@ static int mtk_hdmi_audio_hw_params(struct device *dev, void *data,
switch (daifmt->fmt) {
case HDMI_I2S:
- hdmi_params.aud_codec = HDMI_AUDIO_CODING_TYPE_PCM;
- hdmi_params.aud_sample_size = HDMI_AUDIO_SAMPLE_SIZE_16;
- hdmi_params.aud_input_type = HDMI_AUD_INPUT_I2S;
- hdmi_params.aud_i2s_fmt = HDMI_I2S_MODE_I2S_24BIT;
- hdmi_params.aud_mclk = HDMI_AUD_MCLK_128FS;
+ aud_params.aud_codec = HDMI_AUDIO_CODING_TYPE_PCM;
+ aud_params.aud_sample_size = HDMI_AUDIO_SAMPLE_SIZE_16;
+ aud_params.aud_input_type = HDMI_AUD_INPUT_I2S;
+ aud_params.aud_i2s_fmt = HDMI_I2S_MODE_I2S_24BIT;
+ aud_params.aud_mclk = HDMI_AUD_MCLK_128FS;
break;
case HDMI_SPDIF:
- hdmi_params.aud_codec = HDMI_AUDIO_CODING_TYPE_PCM;
- hdmi_params.aud_sample_size = HDMI_AUDIO_SAMPLE_SIZE_16;
- hdmi_params.aud_input_type = HDMI_AUD_INPUT_SPDIF;
+ aud_params.aud_codec = HDMI_AUDIO_CODING_TYPE_PCM;
+ aud_params.aud_sample_size = HDMI_AUDIO_SAMPLE_SIZE_16;
+ aud_params.aud_input_type = HDMI_AUD_INPUT_SPDIF;
break;
default:
dev_err(hdmi->dev, "%s: Invalid DAI format %d\n", __func__,
daifmt->fmt);
return -EINVAL;
}
+ memcpy(&aud_params.codec_params, params, sizeof(aud_params.codec_params));
+ memcpy(&hdmi->aud_param, &aud_params, sizeof(aud_params));
+
+ dev_dbg(hdmi->dev, "codec:%d, input:%d, channel:%d, fs:%d\n",
+ aud_params.aud_codec, aud_params.aud_input_type,
+ aud_params.aud_input_chan_type, aud_params.codec_params.sample_rate);
- memcpy(&hdmi_params.codec_params, params,
- sizeof(hdmi_params.codec_params));
+ return 0;
+}
+
+static int mtk_hdmi_audio_hw_params(struct device *dev, void *data,
+ struct hdmi_codec_daifmt *daifmt,
+ struct hdmi_codec_params *params)
+{
+ struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
- mtk_hdmi_audio_set_param(hdmi, &hdmi_params);
+ if (!hdmi->audio_enable) {
+ dev_err(hdmi->dev, "hdmi audio is in disable state!\n");
+ return -EINVAL;
+ }
+
+ mtk_hdmi_audio_params(hdmi, daifmt, params);
+ mtk_hdmi_aud_output_config(hdmi, &hdmi->mode);
return 0;
}
@@ -1625,17 +1565,22 @@ static int mtk_hdmi_audio_get_eld(struct device *dev, void *data, uint8_t *buf,
return 0;
}
-static int mtk_hdmi_audio_hook_plugged_cb(struct device *dev, void *data,
- hdmi_codec_plugged_cb fn,
+static void mtk_hdmi_audio_set_plugged_cb(struct mtk_hdmi *hdmi, hdmi_codec_plugged_cb fn,
struct device *codec_dev)
{
- struct mtk_hdmi *hdmi = data;
-
mutex_lock(&hdmi->update_plugged_status_lock);
hdmi->plugged_cb = fn;
hdmi->codec_dev = codec_dev;
mutex_unlock(&hdmi->update_plugged_status_lock);
+}
+
+static int mtk_hdmi_audio_hook_plugged_cb(struct device *dev, void *data,
+ hdmi_codec_plugged_cb fn,
+ struct device *codec_dev)
+{
+ struct mtk_hdmi *hdmi = data;
+ mtk_hdmi_audio_set_plugged_cb(hdmi, fn, codec_dev);
mtk_hdmi_update_plugged_status(hdmi);
return 0;
@@ -1658,6 +1603,7 @@ static void mtk_hdmi_unregister_audio_driver(void *data)
static int mtk_hdmi_register_audio_driver(struct device *dev)
{
struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
+ struct hdmi_audio_param *aud_param = &hdmi->aud_param;
struct hdmi_codec_pdata codec_data = {
.ops = &mtk_hdmi_audio_codec_ops,
.max_i2s_channels = 2,
@@ -1667,6 +1613,13 @@ static int mtk_hdmi_register_audio_driver(struct device *dev)
};
int ret;
+ aud_param->aud_codec = HDMI_AUDIO_CODING_TYPE_PCM;
+ aud_param->aud_sample_size = HDMI_AUDIO_SAMPLE_SIZE_16;
+ aud_param->aud_input_type = HDMI_AUD_INPUT_I2S;
+ aud_param->aud_i2s_fmt = HDMI_I2S_MODE_I2S_24BIT;
+ aud_param->aud_mclk = HDMI_AUD_MCLK_128FS;
+ aud_param->aud_input_chan_type = HDMI_AUD_CHAN_TYPE_2_0;
+
hdmi->audio_pdev = platform_device_register_data(dev,
HDMI_CODEC_DRV_NAME,
PLATFORM_DEVID_AUTO,
@@ -1708,11 +1661,6 @@ static int mtk_hdmi_probe(struct platform_device *pdev)
mutex_init(&hdmi->update_plugged_status_lock);
platform_set_drvdata(pdev, hdmi);
- ret = mtk_hdmi_output_init(hdmi);
- if (ret)
- return dev_err_probe(dev, ret,
- "Failed to initialize hdmi output\n");
-
ret = mtk_hdmi_register_audio_driver(dev);
if (ret)
return dev_err_probe(dev, ret,
@@ -1789,28 +1737,9 @@ static struct platform_driver mtk_hdmi_driver = {
.pm = &mtk_hdmi_pm_ops,
},
};
-
-static struct platform_driver * const mtk_hdmi_drivers[] = {
- &mtk_hdmi_ddc_driver,
- &mtk_cec_driver,
- &mtk_hdmi_driver,
-};
-
-static int __init mtk_hdmitx_init(void)
-{
- return platform_register_drivers(mtk_hdmi_drivers,
- ARRAY_SIZE(mtk_hdmi_drivers));
-}
-
-static void __exit mtk_hdmitx_exit(void)
-{
- platform_unregister_drivers(mtk_hdmi_drivers,
- ARRAY_SIZE(mtk_hdmi_drivers));
-}
-
-module_init(mtk_hdmitx_init);
-module_exit(mtk_hdmitx_exit);
+module_platform_driver(mtk_hdmi_driver);
MODULE_AUTHOR("Jie Qiu <jie.qiu@mediatek.com>");
MODULE_DESCRIPTION("MediaTek HDMI Driver");
MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS("DRM_MTK_HDMI_V1");
generated by cgit (git 2.34.1) at 2025-05-30 01:39:58 +0000