[PATCH v2 1/28] drm/i2c: tda998x: simplify the i2c read/write functions
Jean-Francois Moine
moinejf at free.fr
Thu Jan 9 05:57:24 EST 2014
This patch simplifies the i2c read/write functions and permits them to
be easily called in more contexts.
Signed-off-by: Jean-Francois Moine <moinejf at free.fr>
---
drivers/gpu/drm/i2c/tda998x_drv.c | 322 +++++++++++----------
1 file changed, 162 insertions(+), 160 deletions(-)
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index 400b0c4..26dd299 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -30,6 +30,7 @@
struct tda998x_priv {
struct i2c_client *cec;
+ struct i2c_client *hdmi;
uint16_t rev;
uint8_t current_page;
int dpms;
@@ -328,9 +329,9 @@ struct tda998x_priv {
#define TDA19988 0x0301
static void
-cec_write(struct drm_encoder *encoder, uint16_t addr, uint8_t val)
+cec_write(struct tda998x_priv *priv, uint16_t addr, uint8_t val)
{
- struct i2c_client *client = to_tda998x_priv(encoder)->cec;
+ struct i2c_client *client = priv->cec;
uint8_t buf[] = {addr, val};
int ret;
@@ -340,9 +341,9 @@ cec_write(struct drm_encoder *encoder, uint16_t addr, uint8_t val)
}
static uint8_t
-cec_read(struct drm_encoder *encoder, uint8_t addr)
+cec_read(struct tda998x_priv *priv, uint8_t addr)
{
- struct i2c_client *client = to_tda998x_priv(encoder)->cec;
+ struct i2c_client *client = priv->cec;
uint8_t val;
int ret;
@@ -362,12 +363,10 @@ fail:
}
static void
-set_page(struct drm_encoder *encoder, uint16_t reg)
+set_page(struct tda998x_priv *priv, uint16_t reg)
{
- struct tda998x_priv *priv = to_tda998x_priv(encoder);
-
if (REG2PAGE(reg) != priv->current_page) {
- struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
+ struct i2c_client *client = priv->hdmi;
uint8_t buf[] = {
REG_CURPAGE, REG2PAGE(reg)
};
@@ -380,13 +379,13 @@ set_page(struct drm_encoder *encoder, uint16_t reg)
}
static int
-reg_read_range(struct drm_encoder *encoder, uint16_t reg, char *buf, int cnt)
+reg_read_range(struct tda998x_priv *priv, uint16_t reg, char *buf, int cnt)
{
- struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
+ struct i2c_client *client = priv->hdmi;
uint8_t addr = REG2ADDR(reg);
int ret;
- set_page(encoder, reg);
+ set_page(priv, reg);
ret = i2c_master_send(client, &addr, sizeof(addr));
if (ret < 0)
@@ -404,16 +403,16 @@ fail:
}
static void
-reg_write_range(struct drm_encoder *encoder, uint16_t reg, uint8_t *p, int cnt)
+reg_write_range(struct tda998x_priv *priv, uint16_t reg, uint8_t *p, int cnt)
{
- struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
+ struct i2c_client *client = priv->hdmi;
uint8_t buf[cnt+1];
int ret;
buf[0] = REG2ADDR(reg);
memcpy(&buf[1], p, cnt);
- set_page(encoder, reg);
+ set_page(priv, reg);
ret = i2c_master_send(client, buf, cnt + 1);
if (ret < 0)
@@ -421,21 +420,21 @@ reg_write_range(struct drm_encoder *encoder, uint16_t reg, uint8_t *p, int cnt)
}
static uint8_t
-reg_read(struct drm_encoder *encoder, uint16_t reg)
+reg_read(struct tda998x_priv *priv, uint16_t reg)
{
uint8_t val = 0;
- reg_read_range(encoder, reg, &val, sizeof(val));
+ reg_read_range(priv, reg, &val, sizeof(val));
return val;
}
static void
-reg_write(struct drm_encoder *encoder, uint16_t reg, uint8_t val)
+reg_write(struct tda998x_priv *priv, uint16_t reg, uint8_t val)
{
- struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
+ struct i2c_client *client = priv->hdmi;
uint8_t buf[] = {REG2ADDR(reg), val};
int ret;
- set_page(encoder, reg);
+ set_page(priv, reg);
ret = i2c_master_send(client, buf, ARRAY_SIZE(buf));
if (ret < 0)
@@ -443,13 +442,13 @@ reg_write(struct drm_encoder *encoder, uint16_t reg, uint8_t val)
}
static void
-reg_write16(struct drm_encoder *encoder, uint16_t reg, uint16_t val)
+reg_write16(struct tda998x_priv *priv, uint16_t reg, uint16_t val)
{
- struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
+ struct i2c_client *client = priv->hdmi;
uint8_t buf[] = {REG2ADDR(reg), val >> 8, val};
int ret;
- set_page(encoder, reg);
+ set_page(priv, reg);
ret = i2c_master_send(client, buf, ARRAY_SIZE(buf));
if (ret < 0)
@@ -457,47 +456,47 @@ reg_write16(struct drm_encoder *encoder, uint16_t reg, uint16_t val)
}
static void
-reg_set(struct drm_encoder *encoder, uint16_t reg, uint8_t val)
+reg_set(struct tda998x_priv *priv, uint16_t reg, uint8_t val)
{
- reg_write(encoder, reg, reg_read(encoder, reg) | val);
+ reg_write(priv, reg, reg_read(priv, reg) | val);
}
static void
-reg_clear(struct drm_encoder *encoder, uint16_t reg, uint8_t val)
+reg_clear(struct tda998x_priv *priv, uint16_t reg, uint8_t val)
{
- reg_write(encoder, reg, reg_read(encoder, reg) & ~val);
+ reg_write(priv, reg, reg_read(priv, reg) & ~val);
}
static void
-tda998x_reset(struct drm_encoder *encoder)
+tda998x_reset(struct tda998x_priv *priv)
{
/* reset audio and i2c master: */
- reg_set(encoder, REG_SOFTRESET, SOFTRESET_AUDIO | SOFTRESET_I2C_MASTER);
+ reg_set(priv, REG_SOFTRESET, SOFTRESET_AUDIO | SOFTRESET_I2C_MASTER);
msleep(50);
- reg_clear(encoder, REG_SOFTRESET, SOFTRESET_AUDIO | SOFTRESET_I2C_MASTER);
+ reg_clear(priv, REG_SOFTRESET, SOFTRESET_AUDIO | SOFTRESET_I2C_MASTER);
msleep(50);
/* reset transmitter: */
- reg_set(encoder, REG_MAIN_CNTRL0, MAIN_CNTRL0_SR);
- reg_clear(encoder, REG_MAIN_CNTRL0, MAIN_CNTRL0_SR);
+ reg_set(priv, REG_MAIN_CNTRL0, MAIN_CNTRL0_SR);
+ reg_clear(priv, REG_MAIN_CNTRL0, MAIN_CNTRL0_SR);
/* PLL registers common configuration */
- reg_write(encoder, REG_PLL_SERIAL_1, 0x00);
- reg_write(encoder, REG_PLL_SERIAL_2, PLL_SERIAL_2_SRL_NOSC(1));
- reg_write(encoder, REG_PLL_SERIAL_3, 0x00);
- reg_write(encoder, REG_SERIALIZER, 0x00);
- reg_write(encoder, REG_BUFFER_OUT, 0x00);
- reg_write(encoder, REG_PLL_SCG1, 0x00);
- reg_write(encoder, REG_AUDIO_DIV, AUDIO_DIV_SERCLK_8);
- reg_write(encoder, REG_SEL_CLK, SEL_CLK_SEL_CLK1 | SEL_CLK_ENA_SC_CLK);
- reg_write(encoder, REG_PLL_SCGN1, 0xfa);
- reg_write(encoder, REG_PLL_SCGN2, 0x00);
- reg_write(encoder, REG_PLL_SCGR1, 0x5b);
- reg_write(encoder, REG_PLL_SCGR2, 0x00);
- reg_write(encoder, REG_PLL_SCG2, 0x10);
+ reg_write(priv, REG_PLL_SERIAL_1, 0x00);
+ reg_write(priv, REG_PLL_SERIAL_2, PLL_SERIAL_2_SRL_NOSC(1));
+ reg_write(priv, REG_PLL_SERIAL_3, 0x00);
+ reg_write(priv, REG_SERIALIZER, 0x00);
+ reg_write(priv, REG_BUFFER_OUT, 0x00);
+ reg_write(priv, REG_PLL_SCG1, 0x00);
+ reg_write(priv, REG_AUDIO_DIV, AUDIO_DIV_SERCLK_8);
+ reg_write(priv, REG_SEL_CLK, SEL_CLK_SEL_CLK1 | SEL_CLK_ENA_SC_CLK);
+ reg_write(priv, REG_PLL_SCGN1, 0xfa);
+ reg_write(priv, REG_PLL_SCGN2, 0x00);
+ reg_write(priv, REG_PLL_SCGR1, 0x5b);
+ reg_write(priv, REG_PLL_SCGR2, 0x00);
+ reg_write(priv, REG_PLL_SCG2, 0x10);
/* Write the default value MUX register */
- reg_write(encoder, REG_MUX_VP_VIP_OUT, 0x24);
+ reg_write(priv, REG_MUX_VP_VIP_OUT, 0x24);
}
static uint8_t tda998x_cksum(uint8_t *buf, size_t bytes)
@@ -513,18 +512,18 @@ static uint8_t tda998x_cksum(uint8_t *buf, size_t bytes)
#define PB(x) (HB(2) + 1 + (x))
static void
-tda998x_write_if(struct drm_encoder *encoder, uint8_t bit, uint16_t addr,
+tda998x_write_if(struct tda998x_priv *priv, uint8_t bit, uint16_t addr,
uint8_t *buf, size_t size)
{
buf[PB(0)] = tda998x_cksum(buf, size);
- reg_clear(encoder, REG_DIP_IF_FLAGS, bit);
- reg_write_range(encoder, addr, buf, size);
- reg_set(encoder, REG_DIP_IF_FLAGS, bit);
+ reg_clear(priv, REG_DIP_IF_FLAGS, bit);
+ reg_write_range(priv, addr, buf, size);
+ reg_set(priv, REG_DIP_IF_FLAGS, bit);
}
static void
-tda998x_write_aif(struct drm_encoder *encoder, struct tda998x_encoder_params *p)
+tda998x_write_aif(struct tda998x_priv *priv, struct tda998x_encoder_params *p)
{
uint8_t buf[PB(5) + 1];
@@ -537,12 +536,12 @@ tda998x_write_aif(struct drm_encoder *encoder, struct tda998x_encoder_params *p)
buf[PB(4)] = p->audio_frame[4];
buf[PB(5)] = p->audio_frame[5] & 0xf8; /* DM_INH + LSV */
- tda998x_write_if(encoder, DIP_IF_FLAGS_IF4, REG_IF4_HB0, buf,
+ tda998x_write_if(priv, DIP_IF_FLAGS_IF4, REG_IF4_HB0, buf,
sizeof(buf));
}
static void
-tda998x_write_avi(struct drm_encoder *encoder, struct drm_display_mode *mode)
+tda998x_write_avi(struct tda998x_priv *priv, struct drm_display_mode *mode)
{
uint8_t buf[PB(13) + 1];
@@ -554,36 +553,36 @@ tda998x_write_avi(struct drm_encoder *encoder, struct drm_display_mode *mode)
buf[PB(3)] = HDMI_QUANTIZATION_RANGE_FULL << 2;
buf[PB(4)] = drm_match_cea_mode(mode);
- tda998x_write_if(encoder, DIP_IF_FLAGS_IF2, REG_IF2_HB0, buf,
+ tda998x_write_if(priv, DIP_IF_FLAGS_IF2, REG_IF2_HB0, buf,
sizeof(buf));
}
-static void tda998x_audio_mute(struct drm_encoder *encoder, bool on)
+static void tda998x_audio_mute(struct tda998x_priv *priv, bool on)
{
if (on) {
- reg_set(encoder, REG_SOFTRESET, SOFTRESET_AUDIO);
- reg_clear(encoder, REG_SOFTRESET, SOFTRESET_AUDIO);
- reg_set(encoder, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_FIFO);
+ reg_set(priv, REG_SOFTRESET, SOFTRESET_AUDIO);
+ reg_clear(priv, REG_SOFTRESET, SOFTRESET_AUDIO);
+ reg_set(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_FIFO);
} else {
- reg_clear(encoder, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_FIFO);
+ reg_clear(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_FIFO);
}
}
static void
-tda998x_configure_audio(struct drm_encoder *encoder,
+tda998x_configure_audio(struct tda998x_priv *priv,
struct drm_display_mode *mode, struct tda998x_encoder_params *p)
{
uint8_t buf[6], clksel_aip, clksel_fs, ca_i2s, cts_n, adiv;
uint32_t n;
/* Enable audio ports */
- reg_write(encoder, REG_ENA_AP, p->audio_cfg);
- reg_write(encoder, REG_ENA_ACLK, p->audio_clk_cfg);
+ reg_write(priv, REG_ENA_AP, p->audio_cfg);
+ reg_write(priv, REG_ENA_ACLK, p->audio_clk_cfg);
/* Set audio input source */
switch (p->audio_format) {
case AFMT_SPDIF:
- reg_write(encoder, REG_MUX_AP, 0x40);
+ reg_write(priv, REG_MUX_AP, 0x40);
clksel_aip = AIP_CLKSEL_AIP(0);
/* FS64SPDIF */
clksel_fs = AIP_CLKSEL_FS(2);
@@ -592,7 +591,7 @@ tda998x_configure_audio(struct drm_encoder *encoder,
break;
case AFMT_I2S:
- reg_write(encoder, REG_MUX_AP, 0x64);
+ reg_write(priv, REG_MUX_AP, 0x64);
clksel_aip = AIP_CLKSEL_AIP(1);
/* ACLK */
clksel_fs = AIP_CLKSEL_FS(0);
@@ -605,12 +604,12 @@ tda998x_configure_audio(struct drm_encoder *encoder,
return;
}
- reg_write(encoder, REG_AIP_CLKSEL, clksel_aip);
- reg_clear(encoder, REG_AIP_CNTRL_0, AIP_CNTRL_0_LAYOUT);
+ reg_write(priv, REG_AIP_CLKSEL, clksel_aip);
+ reg_clear(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_LAYOUT);
/* Enable automatic CTS generation */
- reg_clear(encoder, REG_AIP_CNTRL_0, AIP_CNTRL_0_ACR_MAN);
- reg_write(encoder, REG_CTS_N, cts_n);
+ reg_clear(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_ACR_MAN);
+ reg_write(priv, REG_CTS_N, cts_n);
/*
* Audio input somehow depends on HDMI line rate which is
@@ -623,7 +622,7 @@ tda998x_configure_audio(struct drm_encoder *encoder,
adiv = AUDIO_DIV_SERCLK_16;
else
adiv = AUDIO_DIV_SERCLK_8;
- reg_write(encoder, REG_AUDIO_DIV, adiv);
+ reg_write(priv, REG_AUDIO_DIV, adiv);
/*
* This is the approximate value of N, which happens to be
@@ -638,28 +637,28 @@ tda998x_configure_audio(struct drm_encoder *encoder,
buf[3] = n;
buf[4] = n >> 8;
buf[5] = n >> 16;
- reg_write_range(encoder, REG_ACR_CTS_0, buf, 6);
+ reg_write_range(priv, REG_ACR_CTS_0, buf, 6);
/* Set CTS clock reference */
- reg_write(encoder, REG_AIP_CLKSEL, clksel_aip | clksel_fs);
+ reg_write(priv, REG_AIP_CLKSEL, clksel_aip | clksel_fs);
/* Reset CTS generator */
- reg_set(encoder, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_CTS);
- reg_clear(encoder, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_CTS);
+ reg_set(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_CTS);
+ reg_clear(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_CTS);
/* Write the channel status */
buf[0] = 0x04;
buf[1] = 0x00;
buf[2] = 0x00;
buf[3] = 0xf1;
- reg_write_range(encoder, REG_CH_STAT_B(0), buf, 4);
+ reg_write_range(priv, REG_CH_STAT_B(0), buf, 4);
- tda998x_audio_mute(encoder, true);
+ tda998x_audio_mute(priv, true);
mdelay(20);
- tda998x_audio_mute(encoder, false);
+ tda998x_audio_mute(priv, false);
/* Write the audio information packet */
- tda998x_write_aif(encoder, p);
+ tda998x_write_aif(priv, p);
}
/* DRM encoder functions */
@@ -701,19 +700,19 @@ tda998x_encoder_dpms(struct drm_encoder *encoder, int mode)
switch (mode) {
case DRM_MODE_DPMS_ON:
/* enable video ports, audio will be enabled later */
- reg_write(encoder, REG_ENA_VP_0, 0xff);
- reg_write(encoder, REG_ENA_VP_1, 0xff);
- reg_write(encoder, REG_ENA_VP_2, 0xff);
+ reg_write(priv, REG_ENA_VP_0, 0xff);
+ reg_write(priv, REG_ENA_VP_1, 0xff);
+ reg_write(priv, REG_ENA_VP_2, 0xff);
/* set muxing after enabling ports: */
- reg_write(encoder, REG_VIP_CNTRL_0, priv->vip_cntrl_0);
- reg_write(encoder, REG_VIP_CNTRL_1, priv->vip_cntrl_1);
- reg_write(encoder, REG_VIP_CNTRL_2, priv->vip_cntrl_2);
+ reg_write(priv, REG_VIP_CNTRL_0, priv->vip_cntrl_0);
+ reg_write(priv, REG_VIP_CNTRL_1, priv->vip_cntrl_1);
+ reg_write(priv, REG_VIP_CNTRL_2, priv->vip_cntrl_2);
break;
case DRM_MODE_DPMS_OFF:
/* disable video ports */
- reg_write(encoder, REG_ENA_VP_0, 0x00);
- reg_write(encoder, REG_ENA_VP_1, 0x00);
- reg_write(encoder, REG_ENA_VP_2, 0x00);
+ reg_write(priv, REG_ENA_VP_0, 0x00);
+ reg_write(priv, REG_ENA_VP_1, 0x00);
+ reg_write(priv, REG_ENA_VP_2, 0x00);
break;
}
@@ -826,57 +825,57 @@ tda998x_encoder_mode_set(struct drm_encoder *encoder,
div = 148500 / mode->clock;
/* mute the audio FIFO: */
- reg_set(encoder, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_FIFO);
+ reg_set(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_FIFO);
/* set HDMI HDCP mode off: */
- reg_set(encoder, REG_TBG_CNTRL_1, TBG_CNTRL_1_DWIN_DIS);
- reg_clear(encoder, REG_TX33, TX33_HDMI);
+ reg_set(priv, REG_TBG_CNTRL_1, TBG_CNTRL_1_DWIN_DIS);
+ reg_clear(priv, REG_TX33, TX33_HDMI);
+ reg_write(priv, REG_ENC_CNTRL, ENC_CNTRL_CTL_CODE(0));
- reg_write(encoder, REG_ENC_CNTRL, ENC_CNTRL_CTL_CODE(0));
/* no pre-filter or interpolator: */
- reg_write(encoder, REG_HVF_CNTRL_0, HVF_CNTRL_0_PREFIL(0) |
+ reg_write(priv, REG_HVF_CNTRL_0, HVF_CNTRL_0_PREFIL(0) |
HVF_CNTRL_0_INTPOL(0));
- reg_write(encoder, REG_VIP_CNTRL_5, VIP_CNTRL_5_SP_CNT(0));
- reg_write(encoder, REG_VIP_CNTRL_4, VIP_CNTRL_4_BLANKIT(0) |
+ reg_write(priv, REG_VIP_CNTRL_5, VIP_CNTRL_5_SP_CNT(0));
+ reg_write(priv, REG_VIP_CNTRL_4, VIP_CNTRL_4_BLANKIT(0) |
VIP_CNTRL_4_BLC(0));
- reg_clear(encoder, REG_PLL_SERIAL_3, PLL_SERIAL_3_SRL_CCIR);
+ reg_clear(priv, REG_PLL_SERIAL_3, PLL_SERIAL_3_SRL_CCIR);
- reg_clear(encoder, REG_PLL_SERIAL_1, PLL_SERIAL_1_SRL_MAN_IZ);
- reg_clear(encoder, REG_PLL_SERIAL_3, PLL_SERIAL_3_SRL_DE);
- reg_write(encoder, REG_SERIALIZER, 0);
- reg_write(encoder, REG_HVF_CNTRL_1, HVF_CNTRL_1_VQR(0));
+ reg_clear(priv, REG_PLL_SERIAL_1, PLL_SERIAL_1_SRL_MAN_IZ);
+ reg_clear(priv, REG_PLL_SERIAL_3, PLL_SERIAL_3_SRL_DE);
+ reg_write(priv, REG_SERIALIZER, 0);
+ reg_write(priv, REG_HVF_CNTRL_1, HVF_CNTRL_1_VQR(0));
/* TODO enable pixel repeat for pixel rates less than 25Msamp/s */
rep = 0;
- reg_write(encoder, REG_RPT_CNTRL, 0);
- reg_write(encoder, REG_SEL_CLK, SEL_CLK_SEL_VRF_CLK(0) |
+ reg_write(priv, REG_RPT_CNTRL, 0);
+ reg_write(priv, REG_SEL_CLK, SEL_CLK_SEL_VRF_CLK(0) |
SEL_CLK_SEL_CLK1 | SEL_CLK_ENA_SC_CLK);
- reg_write(encoder, REG_PLL_SERIAL_2, PLL_SERIAL_2_SRL_NOSC(div) |
+ reg_write(priv, REG_PLL_SERIAL_2, PLL_SERIAL_2_SRL_NOSC(div) |
PLL_SERIAL_2_SRL_PR(rep));
/* set color matrix bypass flag: */
- reg_set(encoder, REG_MAT_CONTRL, MAT_CONTRL_MAT_BP);
+ reg_set(priv, REG_MAT_CONTRL, MAT_CONTRL_MAT_BP);
/* set BIAS tmds value: */
- reg_write(encoder, REG_ANA_GENERAL, 0x09);
+ reg_write(priv, REG_ANA_GENERAL, 0x09);
- reg_clear(encoder, REG_TBG_CNTRL_0, TBG_CNTRL_0_SYNC_MTHD);
+ reg_clear(priv, REG_TBG_CNTRL_0, TBG_CNTRL_0_SYNC_MTHD);
/*
* Sync on rising HSYNC/VSYNC
*/
- reg_write(encoder, REG_VIP_CNTRL_3, 0);
- reg_set(encoder, REG_VIP_CNTRL_3, VIP_CNTRL_3_SYNC_HS);
+ reg_write(priv, REG_VIP_CNTRL_3, 0);
+ reg_set(priv, REG_VIP_CNTRL_3, VIP_CNTRL_3_SYNC_HS);
/*
* TDA19988 requires high-active sync at input stage,
* so invert low-active sync provided by master encoder here
*/
if (mode->flags & DRM_MODE_FLAG_NHSYNC)
- reg_set(encoder, REG_VIP_CNTRL_3, VIP_CNTRL_3_H_TGL);
+ reg_set(priv, REG_VIP_CNTRL_3, VIP_CNTRL_3_H_TGL);
if (mode->flags & DRM_MODE_FLAG_NVSYNC)
- reg_set(encoder, REG_VIP_CNTRL_3, VIP_CNTRL_3_V_TGL);
+ reg_set(priv, REG_VIP_CNTRL_3, VIP_CNTRL_3_V_TGL);
/*
* Always generate sync polarity relative to input sync and
@@ -887,49 +886,49 @@ tda998x_encoder_mode_set(struct drm_encoder *encoder,
reg |= TBG_CNTRL_1_H_TGL;
if (mode->flags & DRM_MODE_FLAG_NVSYNC)
reg |= TBG_CNTRL_1_V_TGL;
- reg_write(encoder, REG_TBG_CNTRL_1, reg);
-
- reg_write(encoder, REG_VIDFORMAT, 0x00);
- reg_write16(encoder, REG_REFPIX_MSB, ref_pix);
- reg_write16(encoder, REG_REFLINE_MSB, ref_line);
- reg_write16(encoder, REG_NPIX_MSB, n_pix);
- reg_write16(encoder, REG_NLINE_MSB, n_line);
- reg_write16(encoder, REG_VS_LINE_STRT_1_MSB, vs1_line_s);
- reg_write16(encoder, REG_VS_PIX_STRT_1_MSB, vs1_pix_s);
- reg_write16(encoder, REG_VS_LINE_END_1_MSB, vs1_line_e);
- reg_write16(encoder, REG_VS_PIX_END_1_MSB, vs1_pix_e);
- reg_write16(encoder, REG_VS_LINE_STRT_2_MSB, vs2_line_s);
- reg_write16(encoder, REG_VS_PIX_STRT_2_MSB, vs2_pix_s);
- reg_write16(encoder, REG_VS_LINE_END_2_MSB, vs2_line_e);
- reg_write16(encoder, REG_VS_PIX_END_2_MSB, vs2_pix_e);
- reg_write16(encoder, REG_HS_PIX_START_MSB, hs_pix_s);
- reg_write16(encoder, REG_HS_PIX_STOP_MSB, hs_pix_e);
- reg_write16(encoder, REG_VWIN_START_1_MSB, vwin1_line_s);
- reg_write16(encoder, REG_VWIN_END_1_MSB, vwin1_line_e);
- reg_write16(encoder, REG_VWIN_START_2_MSB, vwin2_line_s);
- reg_write16(encoder, REG_VWIN_END_2_MSB, vwin2_line_e);
- reg_write16(encoder, REG_DE_START_MSB, de_pix_s);
- reg_write16(encoder, REG_DE_STOP_MSB, de_pix_e);
+ reg_write(priv, REG_TBG_CNTRL_1, reg);
+
+ reg_write(priv, REG_VIDFORMAT, 0x00);
+ reg_write16(priv, REG_REFPIX_MSB, ref_pix);
+ reg_write16(priv, REG_REFLINE_MSB, ref_line);
+ reg_write16(priv, REG_NPIX_MSB, n_pix);
+ reg_write16(priv, REG_NLINE_MSB, n_line);
+ reg_write16(priv, REG_VS_LINE_STRT_1_MSB, vs1_line_s);
+ reg_write16(priv, REG_VS_PIX_STRT_1_MSB, vs1_pix_s);
+ reg_write16(priv, REG_VS_LINE_END_1_MSB, vs1_line_e);
+ reg_write16(priv, REG_VS_PIX_END_1_MSB, vs1_pix_e);
+ reg_write16(priv, REG_VS_LINE_STRT_2_MSB, vs2_line_s);
+ reg_write16(priv, REG_VS_PIX_STRT_2_MSB, vs2_pix_s);
+ reg_write16(priv, REG_VS_LINE_END_2_MSB, vs2_line_e);
+ reg_write16(priv, REG_VS_PIX_END_2_MSB, vs2_pix_e);
+ reg_write16(priv, REG_HS_PIX_START_MSB, hs_pix_s);
+ reg_write16(priv, REG_HS_PIX_STOP_MSB, hs_pix_e);
+ reg_write16(priv, REG_VWIN_START_1_MSB, vwin1_line_s);
+ reg_write16(priv, REG_VWIN_END_1_MSB, vwin1_line_e);
+ reg_write16(priv, REG_VWIN_START_2_MSB, vwin2_line_s);
+ reg_write16(priv, REG_VWIN_END_2_MSB, vwin2_line_e);
+ reg_write16(priv, REG_DE_START_MSB, de_pix_s);
+ reg_write16(priv, REG_DE_STOP_MSB, de_pix_e);
if (priv->rev == TDA19988) {
/* let incoming pixels fill the active space (if any) */
- reg_write(encoder, REG_ENABLE_SPACE, 0x01);
+ reg_write(priv, REG_ENABLE_SPACE, 0x01);
}
/* must be last register set: */
- reg_clear(encoder, REG_TBG_CNTRL_0, TBG_CNTRL_0_SYNC_ONCE);
+ reg_clear(priv, REG_TBG_CNTRL_0, TBG_CNTRL_0_SYNC_ONCE);
/* Only setup the info frames if the sink is HDMI */
if (priv->is_hdmi_sink) {
/* We need to turn HDMI HDCP stuff on to get audio through */
- reg_clear(encoder, REG_TBG_CNTRL_1, TBG_CNTRL_1_DWIN_DIS);
- reg_write(encoder, REG_ENC_CNTRL, ENC_CNTRL_CTL_CODE(1));
- reg_set(encoder, REG_TX33, TX33_HDMI);
+ reg_clear(priv, REG_TBG_CNTRL_1, TBG_CNTRL_1_DWIN_DIS);
+ reg_write(priv, REG_ENC_CNTRL, ENC_CNTRL_CTL_CODE(1));
+ reg_set(priv, REG_TX33, TX33_HDMI);
- tda998x_write_avi(encoder, adjusted_mode);
+ tda998x_write_avi(priv, adjusted_mode);
if (priv->params.audio_cfg)
- tda998x_configure_audio(encoder, adjusted_mode,
+ tda998x_configure_audio(priv, adjusted_mode,
&priv->params);
}
}
@@ -938,7 +937,9 @@ static enum drm_connector_status
tda998x_encoder_detect(struct drm_encoder *encoder,
struct drm_connector *connector)
{
- uint8_t val = cec_read(encoder, REG_CEC_RXSHPDLEV);
+ struct tda998x_priv *priv = to_tda998x_priv(encoder);
+ uint8_t val = cec_read(priv, REG_CEC_RXSHPDLEV);
+
return (val & CEC_RXSHPDLEV_HPD) ? connector_status_connected :
connector_status_disconnected;
}
@@ -946,29 +947,30 @@ tda998x_encoder_detect(struct drm_encoder *encoder,
static int
read_edid_block(struct drm_encoder *encoder, uint8_t *buf, int blk)
{
+ struct tda998x_priv *priv = to_tda998x_priv(encoder);
uint8_t offset, segptr;
int ret, i;
/* enable EDID read irq: */
- reg_set(encoder, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD);
+ reg_set(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD);
offset = (blk & 1) ? 128 : 0;
segptr = blk / 2;
- reg_write(encoder, REG_DDC_ADDR, 0xa0);
- reg_write(encoder, REG_DDC_OFFS, offset);
- reg_write(encoder, REG_DDC_SEGM_ADDR, 0x60);
- reg_write(encoder, REG_DDC_SEGM, segptr);
+ reg_write(priv, REG_DDC_ADDR, 0xa0);
+ reg_write(priv, REG_DDC_OFFS, offset);
+ reg_write(priv, REG_DDC_SEGM_ADDR, 0x60);
+ reg_write(priv, REG_DDC_SEGM, segptr);
/* enable reading EDID: */
- reg_write(encoder, REG_EDID_CTRL, 0x1);
+ reg_write(priv, REG_EDID_CTRL, 0x1);
/* flag must be cleared by sw: */
- reg_write(encoder, REG_EDID_CTRL, 0x0);
+ reg_write(priv, REG_EDID_CTRL, 0x0);
/* wait for block read to complete: */
for (i = 100; i > 0; i--) {
- uint8_t val = reg_read(encoder, REG_INT_FLAGS_2);
+ uint8_t val = reg_read(priv, REG_INT_FLAGS_2);
if (val & INT_FLAGS_2_EDID_BLK_RD)
break;
msleep(1);
@@ -977,14 +979,14 @@ read_edid_block(struct drm_encoder *encoder, uint8_t *buf, int blk)
if (i == 0)
return -ETIMEDOUT;
- ret = reg_read_range(encoder, REG_EDID_DATA_0, buf, EDID_LENGTH);
+ ret = reg_read_range(priv, REG_EDID_DATA_0, buf, EDID_LENGTH);
if (ret != EDID_LENGTH) {
dev_err(encoder->dev->dev, "failed to read edid block %d: %d",
blk, ret);
return ret;
}
- reg_clear(encoder, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD);
+ reg_clear(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD);
return 0;
}
@@ -1001,7 +1003,7 @@ do_get_edid(struct drm_encoder *encoder)
return NULL;
if (priv->rev == TDA19988)
- reg_clear(encoder, REG_TX4, TX4_PD_RAM);
+ reg_clear(priv, REG_TX4, TX4_PD_RAM);
/* base block fetch */
if (read_edid_block(encoder, block, 0))
@@ -1041,13 +1043,13 @@ do_get_edid(struct drm_encoder *encoder)
done:
if (priv->rev == TDA19988)
- reg_set(encoder, REG_TX4, TX4_PD_RAM);
+ reg_set(priv, REG_TX4, TX4_PD_RAM);
return block;
fail:
if (priv->rev == TDA19988)
- reg_set(encoder, REG_TX4, TX4_PD_RAM);
+ reg_set(priv, REG_TX4, TX4_PD_RAM);
dev_warn(encoder->dev->dev, "failed to read EDID\n");
kfree(block);
return NULL;
@@ -1131,7 +1133,6 @@ tda998x_encoder_init(struct i2c_client *client,
struct drm_device *dev,
struct drm_encoder_slave *encoder_slave)
{
- struct drm_encoder *encoder = &encoder_slave->base;
struct tda998x_priv *priv;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
@@ -1143,6 +1144,7 @@ tda998x_encoder_init(struct i2c_client *client,
priv->vip_cntrl_2 = VIP_CNTRL_2_SWAP_E(4) | VIP_CNTRL_2_SWAP_F(5);
priv->current_page = 0;
+ priv->hdmi = client;
priv->cec = i2c_new_dummy(client->adapter, 0x34);
priv->dpms = DRM_MODE_DPMS_OFF;
@@ -1150,14 +1152,14 @@ tda998x_encoder_init(struct i2c_client *client,
encoder_slave->slave_funcs = &tda998x_encoder_funcs;
/* wake up the device: */
- cec_write(encoder, REG_CEC_ENAMODS,
+ cec_write(priv, REG_CEC_ENAMODS,
CEC_ENAMODS_EN_RXSENS | CEC_ENAMODS_EN_HDMI);
- tda998x_reset(encoder);
+ tda998x_reset(priv);
/* read version: */
- priv->rev = reg_read(encoder, REG_VERSION_LSB) |
- reg_read(encoder, REG_VERSION_MSB) << 8;
+ priv->rev = reg_read(priv, REG_VERSION_LSB) |
+ reg_read(priv, REG_VERSION_MSB) << 8;
/* mask off feature bits: */
priv->rev &= ~0x30; /* not-hdcp and not-scalar bit */
@@ -1173,16 +1175,16 @@ tda998x_encoder_init(struct i2c_client *client,
}
/* after reset, enable DDC: */
- reg_write(encoder, REG_DDC_DISABLE, 0x00);
+ reg_write(priv, REG_DDC_DISABLE, 0x00);
/* set clock on DDC channel: */
- reg_write(encoder, REG_TX3, 39);
+ reg_write(priv, REG_TX3, 39);
/* if necessary, disable multi-master: */
if (priv->rev == TDA19989)
- reg_set(encoder, REG_I2C_MASTER, I2C_MASTER_DIS_MM);
+ reg_set(priv, REG_I2C_MASTER, I2C_MASTER_DIS_MM);
- cec_write(encoder, REG_CEC_FRO_IM_CLK_CTRL,
+ cec_write(priv, REG_CEC_FRO_IM_CLK_CTRL,
CEC_FRO_IM_CLK_CTRL_GHOST_DIS | CEC_FRO_IM_CLK_CTRL_IMCLK_SEL);
return 0;
--
Ken ar c'hentañ | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
More information about the linux-arm-kernel
mailing list