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path: root/drivers/gpu/drm/msm/hdmi
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Diffstat (limited to 'drivers/gpu/drm/msm/hdmi')
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi.c245
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi.h64
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi.xml.h83
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi_audio.c273
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi_bridge.c83
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi_connector.c181
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi_phy_8x74.c157
-rw-r--r--drivers/gpu/drm/msm/hdmi/qfprom.xml.h8
8 files changed, 952 insertions, 142 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index 50d11df35b2..7f7aadef8a8 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -17,8 +17,6 @@
#include "hdmi.h"
-static struct platform_device *hdmi_pdev;
-
void hdmi_set_mode(struct hdmi *hdmi, bool power_on)
{
uint32_t ctrl = 0;
@@ -41,7 +39,7 @@ void hdmi_set_mode(struct hdmi *hdmi, bool power_on)
power_on ? "Enable" : "Disable", ctrl);
}
-static irqreturn_t hdmi_irq(int irq, void *dev_id)
+irqreturn_t hdmi_irq(int irq, void *dev_id)
{
struct hdmi *hdmi = dev_id;
@@ -67,17 +65,17 @@ void hdmi_destroy(struct kref *kref)
if (hdmi->i2c)
hdmi_i2c_destroy(hdmi->i2c);
- put_device(&hdmi->pdev->dev);
+ platform_set_drvdata(hdmi->pdev, NULL);
}
/* initialize connector */
-int hdmi_init(struct drm_device *dev, struct drm_encoder *encoder)
+struct hdmi *hdmi_init(struct drm_device *dev, struct drm_encoder *encoder)
{
struct hdmi *hdmi = NULL;
struct msm_drm_private *priv = dev->dev_private;
- struct platform_device *pdev = hdmi_pdev;
+ struct platform_device *pdev = priv->hdmi_pdev;
struct hdmi_platform_config *config;
- int ret;
+ int i, ret;
if (!pdev) {
dev_err(dev->dev, "no hdmi device\n");
@@ -95,12 +93,13 @@ int hdmi_init(struct drm_device *dev, struct drm_encoder *encoder)
kref_init(&hdmi->refcount);
- get_device(&pdev->dev);
-
hdmi->dev = dev;
hdmi->pdev = pdev;
+ hdmi->config = config;
hdmi->encoder = encoder;
+ hdmi_audio_infoframe_init(&hdmi->audio.infoframe);
+
/* not sure about which phy maps to which msm.. probably I miss some */
if (config->phy_init)
hdmi->phy = config->phy_init(hdmi);
@@ -114,44 +113,70 @@ int hdmi_init(struct drm_device *dev, struct drm_encoder *encoder)
goto fail;
}
- hdmi->mmio = msm_ioremap(pdev, "hdmi_msm_hdmi_addr", "HDMI");
+ hdmi->mmio = msm_ioremap(pdev, config->mmio_name, "HDMI");
if (IS_ERR(hdmi->mmio)) {
ret = PTR_ERR(hdmi->mmio);
goto fail;
}
- hdmi->mvs = devm_regulator_get(&pdev->dev, "8901_hdmi_mvs");
- if (IS_ERR(hdmi->mvs))
- hdmi->mvs = devm_regulator_get(&pdev->dev, "hdmi_mvs");
- if (IS_ERR(hdmi->mvs)) {
- ret = PTR_ERR(hdmi->mvs);
- dev_err(dev->dev, "failed to get mvs regulator: %d\n", ret);
- goto fail;
+ BUG_ON(config->hpd_reg_cnt > ARRAY_SIZE(hdmi->hpd_regs));
+ for (i = 0; i < config->hpd_reg_cnt; i++) {
+ struct regulator *reg;
+
+ reg = devm_regulator_get(&pdev->dev, config->hpd_reg_names[i]);
+ if (IS_ERR(reg)) {
+ ret = PTR_ERR(reg);
+ dev_err(dev->dev, "failed to get hpd regulator: %s (%d)\n",
+ config->hpd_reg_names[i], ret);
+ goto fail;
+ }
+
+ hdmi->hpd_regs[i] = reg;
}
- hdmi->mpp0 = devm_regulator_get(&pdev->dev, "8901_mpp0");
- if (IS_ERR(hdmi->mpp0))
- hdmi->mpp0 = NULL;
+ BUG_ON(config->pwr_reg_cnt > ARRAY_SIZE(hdmi->pwr_regs));
+ for (i = 0; i < config->pwr_reg_cnt; i++) {
+ struct regulator *reg;
- hdmi->clk = devm_clk_get(&pdev->dev, "core_clk");
- if (IS_ERR(hdmi->clk)) {
- ret = PTR_ERR(hdmi->clk);
- dev_err(dev->dev, "failed to get 'clk': %d\n", ret);
- goto fail;
+ reg = devm_regulator_get(&pdev->dev, config->pwr_reg_names[i]);
+ if (IS_ERR(reg)) {
+ ret = PTR_ERR(reg);
+ dev_err(dev->dev, "failed to get pwr regulator: %s (%d)\n",
+ config->pwr_reg_names[i], ret);
+ goto fail;
+ }
+
+ hdmi->pwr_regs[i] = reg;
}
- hdmi->m_pclk = devm_clk_get(&pdev->dev, "master_iface_clk");
- if (IS_ERR(hdmi->m_pclk)) {
- ret = PTR_ERR(hdmi->m_pclk);
- dev_err(dev->dev, "failed to get 'm_pclk': %d\n", ret);
- goto fail;
+ BUG_ON(config->hpd_clk_cnt > ARRAY_SIZE(hdmi->hpd_clks));
+ for (i = 0; i < config->hpd_clk_cnt; i++) {
+ struct clk *clk;
+
+ clk = devm_clk_get(&pdev->dev, config->hpd_clk_names[i]);
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ dev_err(dev->dev, "failed to get hpd clk: %s (%d)\n",
+ config->hpd_clk_names[i], ret);
+ goto fail;
+ }
+
+ hdmi->hpd_clks[i] = clk;
}
- hdmi->s_pclk = devm_clk_get(&pdev->dev, "slave_iface_clk");
- if (IS_ERR(hdmi->s_pclk)) {
- ret = PTR_ERR(hdmi->s_pclk);
- dev_err(dev->dev, "failed to get 's_pclk': %d\n", ret);
- goto fail;
+ BUG_ON(config->pwr_clk_cnt > ARRAY_SIZE(hdmi->pwr_clks));
+ for (i = 0; i < config->pwr_clk_cnt; i++) {
+ struct clk *clk;
+
+ clk = devm_clk_get(&pdev->dev, config->pwr_clk_names[i]);
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ dev_err(dev->dev, "failed to get pwr clk: %s (%d)\n",
+ config->pwr_clk_names[i], ret);
+ goto fail;
+ }
+
+ hdmi->pwr_clks[i] = clk;
}
hdmi->i2c = hdmi_i2c_init(hdmi);
@@ -178,20 +203,22 @@ int hdmi_init(struct drm_device *dev, struct drm_encoder *encoder)
goto fail;
}
- hdmi->irq = platform_get_irq(pdev, 0);
- if (hdmi->irq < 0) {
- ret = hdmi->irq;
- dev_err(dev->dev, "failed to get irq: %d\n", ret);
- goto fail;
- }
+ if (!config->shared_irq) {
+ hdmi->irq = platform_get_irq(pdev, 0);
+ if (hdmi->irq < 0) {
+ ret = hdmi->irq;
+ dev_err(dev->dev, "failed to get irq: %d\n", ret);
+ goto fail;
+ }
- ret = devm_request_threaded_irq(&pdev->dev, hdmi->irq,
- NULL, hdmi_irq, IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
- "hdmi_isr", hdmi);
- if (ret < 0) {
- dev_err(dev->dev, "failed to request IRQ%u: %d\n",
- hdmi->irq, ret);
- goto fail;
+ ret = devm_request_threaded_irq(&pdev->dev, hdmi->irq,
+ NULL, hdmi_irq, IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ "hdmi_isr", hdmi);
+ if (ret < 0) {
+ dev_err(dev->dev, "failed to request IRQ%u: %d\n",
+ hdmi->irq, ret);
+ goto fail;
+ }
}
encoder->bridge = hdmi->bridge;
@@ -199,7 +226,9 @@ int hdmi_init(struct drm_device *dev, struct drm_encoder *encoder)
priv->bridges[priv->num_bridges++] = hdmi->bridge;
priv->connectors[priv->num_connectors++] = hdmi->connector;
- return 0;
+ platform_set_drvdata(pdev, hdmi);
+
+ return hdmi;
fail:
if (hdmi) {
@@ -211,54 +240,150 @@ fail:
hdmi_destroy(&hdmi->refcount);
}
- return ret;
+ return ERR_PTR(ret);
}
/*
* The hdmi device:
*/
-static int hdmi_dev_probe(struct platform_device *pdev)
+#include <linux/of_gpio.h>
+
+static void set_hdmi_pdev(struct drm_device *dev,
+ struct platform_device *pdev)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ priv->hdmi_pdev = pdev;
+}
+
+static int hdmi_bind(struct device *dev, struct device *master, void *data)
{
static struct hdmi_platform_config config = {};
#ifdef CONFIG_OF
- /* TODO */
+ struct device_node *of_node = dev->of_node;
+
+ int get_gpio(const char *name)
+ {
+ int gpio = of_get_named_gpio(of_node, name, 0);
+ if (gpio < 0) {
+ dev_err(dev, "failed to get gpio: %s (%d)\n",
+ name, gpio);
+ gpio = -1;
+ }
+ return gpio;
+ }
+
+ /* TODO actually use DT.. */
+ static const char *hpd_reg_names[] = {"hpd-gdsc", "hpd-5v"};
+ static const char *pwr_reg_names[] = {"core-vdda", "core-vcc"};
+ static const char *hpd_clk_names[] = {"iface_clk", "core_clk", "mdp_core_clk"};
+ static unsigned long hpd_clk_freq[] = {0, 19200000, 0};
+ static const char *pwr_clk_names[] = {"extp_clk", "alt_iface_clk"};
+
+ config.phy_init = hdmi_phy_8x74_init;
+ config.mmio_name = "core_physical";
+ config.hpd_reg_names = hpd_reg_names;
+ config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
+ config.pwr_reg_names = pwr_reg_names;
+ config.pwr_reg_cnt = ARRAY_SIZE(pwr_reg_names);
+ config.hpd_clk_names = hpd_clk_names;
+ config.hpd_freq = hpd_clk_freq;
+ config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
+ config.pwr_clk_names = pwr_clk_names;
+ config.pwr_clk_cnt = ARRAY_SIZE(pwr_clk_names);
+ config.ddc_clk_gpio = get_gpio("qcom,hdmi-tx-ddc-clk");
+ config.ddc_data_gpio = get_gpio("qcom,hdmi-tx-ddc-data");
+ config.hpd_gpio = get_gpio("qcom,hdmi-tx-hpd");
+ config.mux_en_gpio = get_gpio("qcom,hdmi-tx-mux-en");
+ config.mux_sel_gpio = get_gpio("qcom,hdmi-tx-mux-sel");
+ config.shared_irq = true;
+
#else
+ static const char *hpd_clk_names[] = {
+ "core_clk", "master_iface_clk", "slave_iface_clk",
+ };
if (cpu_is_apq8064()) {
+ static const char *hpd_reg_names[] = {"8921_hdmi_mvs"};
config.phy_init = hdmi_phy_8960_init;
+ config.mmio_name = "hdmi_msm_hdmi_addr";
+ config.hpd_reg_names = hpd_reg_names;
+ config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
+ config.hpd_clk_names = hpd_clk_names;
+ config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
config.ddc_clk_gpio = 70;
config.ddc_data_gpio = 71;
config.hpd_gpio = 72;
- config.pmic_gpio = 13 + NR_GPIO_IRQS;
- } else if (cpu_is_msm8960()) {
+ config.mux_en_gpio = -1;
+ config.mux_sel_gpio = -1;
+ } else if (cpu_is_msm8960() || cpu_is_msm8960ab()) {
+ static const char *hpd_reg_names[] = {"8921_hdmi_mvs"};
config.phy_init = hdmi_phy_8960_init;
+ config.mmio_name = "hdmi_msm_hdmi_addr";
+ config.hpd_reg_names = hpd_reg_names;
+ config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
+ config.hpd_clk_names = hpd_clk_names;
+ config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
config.ddc_clk_gpio = 100;
config.ddc_data_gpio = 101;
config.hpd_gpio = 102;
- config.pmic_gpio = -1;
+ config.mux_en_gpio = -1;
+ config.mux_sel_gpio = -1;
} else if (cpu_is_msm8x60()) {
+ static const char *hpd_reg_names[] = {
+ "8901_hdmi_mvs", "8901_mpp0"
+ };
config.phy_init = hdmi_phy_8x60_init;
+ config.mmio_name = "hdmi_msm_hdmi_addr";
+ config.hpd_reg_names = hpd_reg_names;
+ config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
+ config.hpd_clk_names = hpd_clk_names;
+ config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
config.ddc_clk_gpio = 170;
config.ddc_data_gpio = 171;
config.hpd_gpio = 172;
- config.pmic_gpio = -1;
+ config.mux_en_gpio = -1;
+ config.mux_sel_gpio = -1;
}
#endif
- pdev->dev.platform_data = &config;
- hdmi_pdev = pdev;
+ dev->platform_data = &config;
+ set_hdmi_pdev(dev_get_drvdata(master), to_platform_device(dev));
return 0;
}
+static void hdmi_unbind(struct device *dev, struct device *master,
+ void *data)
+{
+ set_hdmi_pdev(dev_get_drvdata(master), NULL);
+}
+
+static const struct component_ops hdmi_ops = {
+ .bind = hdmi_bind,
+ .unbind = hdmi_unbind,
+};
+
+static int hdmi_dev_probe(struct platform_device *pdev)
+{
+ return component_add(&pdev->dev, &hdmi_ops);
+}
+
static int hdmi_dev_remove(struct platform_device *pdev)
{
- hdmi_pdev = NULL;
+ component_del(&pdev->dev, &hdmi_ops);
return 0;
}
+static const struct of_device_id dt_match[] = {
+ { .compatible = "qcom,hdmi-tx" },
+ {}
+};
+
static struct platform_driver hdmi_driver = {
.probe = hdmi_dev_probe,
.remove = hdmi_dev_remove,
- .driver.name = "hdmi_msm",
+ .driver = {
+ .name = "hdmi_msm",
+ .of_match_table = dt_match,
+ },
};
void __init hdmi_register(void)
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h
index 2c2ec566394..9d7723c6528 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.h
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.h
@@ -22,12 +22,20 @@
#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
+#include <linux/hdmi.h>
#include "msm_drv.h"
#include "hdmi.xml.h"
struct hdmi_phy;
+struct hdmi_platform_config;
+
+struct hdmi_audio {
+ bool enabled;
+ struct hdmi_audio_infoframe infoframe;
+ int rate;
+};
struct hdmi {
struct kref refcount;
@@ -35,14 +43,21 @@ struct hdmi {
struct drm_device *dev;
struct platform_device *pdev;
- void __iomem *mmio;
+ const struct hdmi_platform_config *config;
- struct regulator *mvs; /* HDMI_5V */
- struct regulator *mpp0; /* External 5V */
+ /* audio state: */
+ struct hdmi_audio audio;
- struct clk *clk;
- struct clk *m_pclk;
- struct clk *s_pclk;
+ /* video state: */
+ bool power_on;
+ unsigned long int pixclock;
+
+ void __iomem *mmio;
+
+ struct regulator *hpd_regs[2];
+ struct regulator *pwr_regs[2];
+ struct clk *hpd_clks[3];
+ struct clk *pwr_clks[2];
struct hdmi_phy *phy;
struct i2c_adapter *i2c;
@@ -60,7 +75,30 @@ struct hdmi {
/* platform config data (ie. from DT, or pdata) */
struct hdmi_platform_config {
struct hdmi_phy *(*phy_init)(struct hdmi *hdmi);
- int ddc_clk_gpio, ddc_data_gpio, hpd_gpio, pmic_gpio;
+ const char *mmio_name;
+
+ /* regulators that need to be on for hpd: */
+ const char **hpd_reg_names;
+ int hpd_reg_cnt;
+
+ /* regulators that need to be on for screen pwr: */
+ const char **pwr_reg_names;
+ int pwr_reg_cnt;
+
+ /* clks that need to be on for hpd: */
+ const char **hpd_clk_names;
+ const long unsigned *hpd_freq;
+ int hpd_clk_cnt;
+
+ /* clks that need to be on for screen pwr (ie pixel clk): */
+ const char **pwr_clk_names;
+ int pwr_clk_cnt;
+
+ /* gpio's: */
+ int ddc_clk_gpio, ddc_data_gpio, hpd_gpio, mux_en_gpio, mux_sel_gpio;
+
+ /* older devices had their own irq, mdp5+ it is shared w/ mdp: */
+ bool shared_irq;
};
void hdmi_set_mode(struct hdmi *hdmi, bool power_on);
@@ -106,6 +144,18 @@ struct hdmi_phy {
struct hdmi_phy *hdmi_phy_8960_init(struct hdmi *hdmi);
struct hdmi_phy *hdmi_phy_8x60_init(struct hdmi *hdmi);
+struct hdmi_phy *hdmi_phy_8x74_init(struct hdmi *hdmi);
+
+/*
+ * audio:
+ */
+
+int hdmi_audio_update(struct hdmi *hdmi);
+int hdmi_audio_info_setup(struct hdmi *hdmi, bool enabled,
+ uint32_t num_of_channels, uint32_t channel_allocation,
+ uint32_t level_shift, bool down_mix);
+void hdmi_audio_set_sample_rate(struct hdmi *hdmi, int rate);
+
/*
* hdmi bridge:
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.xml.h b/drivers/gpu/drm/msm/hdmi/hdmi.xml.h
index 4e939f82918..e2636582cfd 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.xml.h
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.xml.h
@@ -8,14 +8,16 @@ http://github.com/freedreno/envytools/
git clone https://github.com/freedreno/envytools.git
The rules-ng-ng source files this header was generated from are:
-- /home/robclark/src/freedreno/envytools/rnndb/msm.xml ( 595 bytes, from 2013-07-05 19:21:12)
+- /home/robclark/src/freedreno/envytools/rnndb/msm.xml ( 647 bytes, from 2013-11-30 14:45:35)
- /home/robclark/src/freedreno/envytools/rnndb/freedreno_copyright.xml ( 1453 bytes, from 2013-03-31 16:51:27)
-- /home/robclark/src/freedreno/envytools/rnndb/mdp4/mdp4.xml ( 19332 bytes, from 2013-10-07 16:36:48)
+- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp4.xml ( 17996 bytes, from 2013-12-01 19:10:31)
+- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp_common.xml ( 1615 bytes, from 2013-11-30 15:00:52)
+- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp5.xml ( 22517 bytes, from 2013-12-03 20:59:13)
- /home/robclark/src/freedreno/envytools/rnndb/dsi/dsi.xml ( 11712 bytes, from 2013-08-17 17:13:43)
- /home/robclark/src/freedreno/envytools/rnndb/dsi/sfpb.xml ( 344 bytes, from 2013-08-11 19:26:32)
- /home/robclark/src/freedreno/envytools/rnndb/dsi/mmss_cc.xml ( 1544 bytes, from 2013-08-16 19:17:05)
- /home/robclark/src/freedreno/envytools/rnndb/hdmi/qfprom.xml ( 600 bytes, from 2013-07-05 19:21:12)
-- /home/robclark/src/freedreno/envytools/rnndb/hdmi/hdmi.xml ( 19288 bytes, from 2013-08-11 18:14:15)
+- /home/robclark/src/freedreno/envytools/rnndb/hdmi/hdmi.xml ( 20932 bytes, from 2013-12-01 15:13:04)
Copyright (C) 2013 by the following authors:
- Rob Clark <robdclark@gmail.com> (robclark)
@@ -212,6 +214,20 @@ static inline uint32_t HDMI_HDCP_LINK0_STATUS_KEY_STATE(enum hdmi_hdcp_key_state
#define REG_HDMI_HDCP_RESET 0x00000130
#define HDMI_HDCP_RESET_LINK0_DEAUTHENTICATE 0x00000001
+#define REG_HDMI_VENSPEC_INFO0 0x0000016c
+
+#define REG_HDMI_VENSPEC_INFO1 0x00000170
+
+#define REG_HDMI_VENSPEC_INFO2 0x00000174
+
+#define REG_HDMI_VENSPEC_INFO3 0x00000178
+
+#define REG_HDMI_VENSPEC_INFO4 0x0000017c
+
+#define REG_HDMI_VENSPEC_INFO5 0x00000180
+
+#define REG_HDMI_VENSPEC_INFO6 0x00000184
+
#define REG_HDMI_AUDIO_CFG 0x000001d0
#define HDMI_AUDIO_CFG_ENGINE_ENABLE 0x00000001
#define HDMI_AUDIO_CFG_FIFO_WATERMARK__MASK 0x000000f0
@@ -235,6 +251,9 @@ static inline uint32_t HDMI_DDC_CTRL_TRANSACTION_CNT(uint32_t val)
return ((val) << HDMI_DDC_CTRL_TRANSACTION_CNT__SHIFT) & HDMI_DDC_CTRL_TRANSACTION_CNT__MASK;
}
+#define REG_HDMI_DDC_ARBITRATION 0x00000210
+#define HDMI_DDC_ARBITRATION_HW_ARBITRATION 0x00000010
+
#define REG_HDMI_DDC_INT_CTRL 0x00000214
#define HDMI_DDC_INT_CTRL_SW_DONE_INT 0x00000001
#define HDMI_DDC_INT_CTRL_SW_DONE_ACK 0x00000002
@@ -340,6 +359,20 @@ static inline uint32_t HDMI_DDC_REF_REFTIMER(uint32_t val)
return ((val) << HDMI_DDC_REF_REFTIMER__SHIFT) & HDMI_DDC_REF_REFTIMER__MASK;
}
+#define REG_HDMI_CEC_STATUS 0x00000298
+
+#define REG_HDMI_CEC_INT 0x0000029c
+
+#define REG_HDMI_CEC_ADDR 0x000002a0
+
+#define REG_HDMI_CEC_TIME 0x000002a4
+
+#define REG_HDMI_CEC_REFTIMER 0x000002a8
+
+#define REG_HDMI_CEC_RD_DATA 0x000002ac
+
+#define REG_HDMI_CEC_RD_FILTER 0x000002b0
+
#define REG_HDMI_ACTIVE_HSYNC 0x000002b4
#define HDMI_ACTIVE_HSYNC_START__MASK 0x00000fff
#define HDMI_ACTIVE_HSYNC_START__SHIFT 0
@@ -410,17 +443,33 @@ static inline uint32_t HDMI_VSYNC_TOTAL_F2_V_TOTAL(uint32_t val)
#define HDMI_FRAME_CTRL_HSYNC_LOW 0x20000000
#define HDMI_FRAME_CTRL_INTERLACED_EN 0x80000000
+#define REG_HDMI_AUD_INT 0x000002cc
+#define HDMI_AUD_INT_AUD_FIFO_URUN_INT 0x00000001
+#define HDMI_AUD_INT_AUD_FIFO_URAN_MASK 0x00000002
+#define HDMI_AUD_INT_AUD_SAM_DROP_INT 0x00000004
+#define HDMI_AUD_INT_AUD_SAM_DROP_MASK 0x00000008
+
#define REG_HDMI_PHY_CTRL 0x000002d4
#define HDMI_PHY_CTRL_SW_RESET_PLL 0x00000001
#define HDMI_PHY_CTRL_SW_RESET_PLL_LOW 0x00000002
#define HDMI_PHY_CTRL_SW_RESET 0x00000004
#define HDMI_PHY_CTRL_SW_RESET_LOW 0x00000008
-#define REG_HDMI_AUD_INT 0x000002cc
-#define HDMI_AUD_INT_AUD_FIFO_URUN_INT 0x00000001
-#define HDMI_AUD_INT_AUD_FIFO_URAN_MASK 0x00000002
-#define HDMI_AUD_INT_AUD_SAM_DROP_INT 0x00000004
-#define HDMI_AUD_INT_AUD_SAM_DROP_MASK 0x00000008
+#define REG_HDMI_CEC_WR_RANGE 0x000002dc
+
+#define REG_HDMI_CEC_RD_RANGE 0x000002e0
+
+#define REG_HDMI_VERSION 0x000002e4
+
+#define REG_HDMI_CEC_COMPL_CTL 0x00000360
+
+#define REG_HDMI_CEC_RD_START_RANGE 0x00000364
+
+#define REG_HDMI_CEC_RD_TOTAL_RANGE 0x00000368
+
+#define REG_HDMI_CEC_RD_ERR_RESP_LO 0x0000036c
+
+#define REG_HDMI_CEC_WR_CHECK_CONFIG 0x00000370
#define REG_HDMI_8x60_PHY_REG0 0x00000300
#define HDMI_8x60_PHY_REG0_DESER_DEL_CTRL__MASK 0x0000001c
@@ -504,5 +553,23 @@ static inline uint32_t HDMI_8x60_PHY_REG1_OUTVOL_SWING_CTRL(uint32_t val)
#define REG_HDMI_8960_PHY_REG12 0x00000430
+#define REG_HDMI_8x74_ANA_CFG0 0x00000000
+
+#define REG_HDMI_8x74_ANA_CFG1 0x00000004
+
+#define REG_HDMI_8x74_PD_CTRL0 0x00000010
+
+#define REG_HDMI_8x74_PD_CTRL1 0x00000014
+
+#define REG_HDMI_8x74_BIST_CFG0 0x00000034
+
+#define REG_HDMI_8x74_BIST_PATN0 0x0000003c
+
+#define REG_HDMI_8x74_BIST_PATN1 0x00000040
+
+#define REG_HDMI_8x74_BIST_PATN2 0x00000044
+
+#define REG_HDMI_8x74_BIST_PATN3 0x00000048
+
#endif /* HDMI_XML */
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_audio.c b/drivers/gpu/drm/msm/hdmi/hdmi_audio.c
new file mode 100644
index 00000000000..872485f6013
--- /dev/null
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_audio.c
@@ -0,0 +1,273 @@
+/*
+ * Copyright (C) 2013 Red Hat
+ * Author: Rob Clark <robdclark@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/hdmi.h>
+#include "hdmi.h"
+
+
+/* Supported HDMI Audio channels */
+#define MSM_HDMI_AUDIO_CHANNEL_2 0
+#define MSM_HDMI_AUDIO_CHANNEL_4 1
+#define MSM_HDMI_AUDIO_CHANNEL_6 2
+#define MSM_HDMI_AUDIO_CHANNEL_8 3
+
+/* maps MSM_HDMI_AUDIO_CHANNEL_n consts used by audio driver to # of channels: */
+static int nchannels[] = { 2, 4, 6, 8 };
+
+/* Supported HDMI Audio sample rates */
+#define MSM_HDMI_SAMPLE_RATE_32KHZ 0
+#define MSM_HDMI_SAMPLE_RATE_44_1KHZ 1
+#define MSM_HDMI_SAMPLE_RATE_48KHZ 2
+#define MSM_HDMI_SAMPLE_RATE_88_2KHZ 3
+#define MSM_HDMI_SAMPLE_RATE_96KHZ 4
+#define MSM_HDMI_SAMPLE_RATE_176_4KHZ 5
+#define MSM_HDMI_SAMPLE_RATE_192KHZ 6
+#define MSM_HDMI_SAMPLE_RATE_MAX 7
+
+
+struct hdmi_msm_audio_acr {
+ uint32_t n; /* N parameter for clock regeneration */
+ uint32_t cts; /* CTS parameter for clock regeneration */
+};
+
+struct hdmi_msm_audio_arcs {
+ unsigned long int pixclock;
+ struct hdmi_msm_audio_acr lut[MSM_HDMI_SAMPLE_RATE_MAX];
+};
+
+#define HDMI_MSM_AUDIO_ARCS(pclk, ...) { (1000 * (pclk)), __VA_ARGS__ }
+
+/* Audio constants lookup table for hdmi_msm_audio_acr_setup */
+/* Valid Pixel-Clock rates: 25.2MHz, 27MHz, 27.03MHz, 74.25MHz, 148.5MHz */
+static const struct hdmi_msm_audio_arcs acr_lut[] = {
+ /* 25.200MHz */
+ HDMI_MSM_AUDIO_ARCS(25200, {
+ {4096, 25200}, {6272, 28000}, {6144, 25200}, {12544, 28000},
+ {12288, 25200}, {25088, 28000}, {24576, 25200} }),
+ /* 27.000MHz */
+ HDMI_MSM_AUDIO_ARCS(27000, {
+ {4096, 27000}, {6272, 30000}, {6144, 27000}, {12544, 30000},
+ {12288, 27000}, {25088, 30000}, {24576, 27000} }),
+ /* 27.027MHz */
+ HDMI_MSM_AUDIO_ARCS(27030, {
+ {4096, 27027}, {6272, 30030}, {6144, 27027}, {12544, 30030},
+ {12288, 27027}, {25088, 30030}, {24576, 27027} }),
+ /* 74.250MHz */
+ HDMI_MSM_AUDIO_ARCS(74250, {
+ {4096, 74250}, {6272, 82500}, {6144, 74250}, {12544, 82500},
+ {12288, 74250}, {25088, 82500}, {24576, 74250} }),
+ /* 148.500MHz */
+ HDMI_MSM_AUDIO_ARCS(148500, {
+ {4096, 148500}, {6272, 165000}, {6144, 148500}, {12544, 165000},
+ {12288, 148500}, {25088, 165000}, {24576, 148500} }),
+};
+
+static const struct hdmi_msm_audio_arcs *get_arcs(unsigned long int pixclock)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(acr_lut); i++) {
+ const struct hdmi_msm_audio_arcs *arcs = &acr_lut[i];
+ if (arcs->pixclock == pixclock)
+ return arcs;
+ }
+
+ return NULL;
+}
+
+int hdmi_audio_update(struct hdmi *hdmi)
+{
+ struct hdmi_audio *audio = &hdmi->audio;
+ struct hdmi_audio_infoframe *info = &audio->infoframe;
+ const struct hdmi_msm_audio_arcs *arcs = NULL;
+ bool enabled = audio->enabled;
+ uint32_t acr_pkt_ctrl, vbi_pkt_ctrl, aud_pkt_ctrl;
+ uint32_t infofrm_ctrl, audio_config;
+
+ DBG("audio: enabled=%d, channels=%d, channel_allocation=0x%x, "
+ "level_shift_value=%d, downmix_inhibit=%d, rate=%d",
+ audio->enabled, info->channels, info->channel_allocation,
+ info->level_shift_value, info->downmix_inhibit, audio->rate);
+ DBG("video: power_on=%d, pixclock=%lu", hdmi->power_on, hdmi->pixclock);
+
+ if (enabled && !(hdmi->power_on && hdmi->pixclock)) {
+ DBG("disabling audio: no video");
+ enabled = false;
+ }
+
+ if (enabled) {
+ arcs = get_arcs(hdmi->pixclock);
+ if (!arcs) {
+ DBG("disabling audio: unsupported pixclock: %lu",
+ hdmi->pixclock);
+ enabled = false;
+ }
+ }
+
+ /* Read first before writing */
+ acr_pkt_ctrl = hdmi_read(hdmi, REG_HDMI_ACR_PKT_CTRL);
+ vbi_pkt_ctrl = hdmi_read(hdmi, REG_HDMI_VBI_PKT_CTRL);
+ aud_pkt_ctrl = hdmi_read(hdmi, REG_HDMI_AUDIO_PKT_CTRL1);
+ infofrm_ctrl = hdmi_read(hdmi, REG_HDMI_INFOFRAME_CTRL0);
+ audio_config = hdmi_read(hdmi, REG_HDMI_AUDIO_CFG);
+
+ /* Clear N/CTS selection bits */
+ acr_pkt_ctrl &= ~HDMI_ACR_PKT_CTRL_SELECT__MASK;
+
+ if (enabled) {
+ uint32_t n, cts, multiplier;
+ enum hdmi_acr_cts select;
+ uint8_t buf[14];
+
+ n = arcs->lut[audio->rate].n;
+ cts = arcs->lut[audio->rate].cts;
+
+ if ((MSM_HDMI_SAMPLE_RATE_192KHZ == audio->rate) ||
+ (MSM_HDMI_SAMPLE_RATE_176_4KHZ == audio->rate)) {
+ multiplier = 4;
+ n >>= 2; /* divide N by 4 and use multiplier */
+ } else if ((MSM_HDMI_SAMPLE_RATE_96KHZ == audio->rate) ||
+ (MSM_HDMI_SAMPLE_RATE_88_2KHZ == audio->rate)) {
+ multiplier = 2;
+ n >>= 1; /* divide N by 2 and use multiplier */
+ } else {
+ multiplier = 1;
+ }
+
+ DBG("n=%u, cts=%u, multiplier=%u", n, cts, multiplier);
+
+ acr_pkt_ctrl |= HDMI_ACR_PKT_CTRL_SOURCE;
+ acr_pkt_ctrl |= HDMI_ACR_PKT_CTRL_AUDIO_PRIORITY;
+ acr_pkt_ctrl |= HDMI_ACR_PKT_CTRL_N_MULTIPLIER(multiplier);
+
+ if ((MSM_HDMI_SAMPLE_RATE_48KHZ == audio->rate) ||
+ (MSM_HDMI_SAMPLE_RATE_96KHZ == audio->rate) ||
+ (MSM_HDMI_SAMPLE_RATE_192KHZ == audio->rate))
+ select = ACR_48;
+ else if ((MSM_HDMI_SAMPLE_RATE_44_1KHZ == audio->rate) ||
+ (MSM_HDMI_SAMPLE_RATE_88_2KHZ == audio->rate) ||
+ (MSM_HDMI_SAMPLE_RATE_176_4KHZ == audio->rate))
+ select = ACR_44;
+ else /* default to 32k */
+ select = ACR_32;
+
+ acr_pkt_ctrl |= HDMI_ACR_PKT_CTRL_SELECT(select);
+
+ hdmi_write(hdmi, REG_HDMI_ACR_0(select - 1),
+ HDMI_ACR_0_CTS(cts));
+ hdmi_write(hdmi, REG_HDMI_ACR_1(select - 1),
+ HDMI_ACR_1_N(n));
+
+ hdmi_write(hdmi, REG_HDMI_AUDIO_PKT_CTRL2,
+ COND(info->channels != 2, HDMI_AUDIO_PKT_CTRL2_LAYOUT) |
+ HDMI_AUDIO_PKT_CTRL2_OVERRIDE);
+
+ acr_pkt_ctrl |= HDMI_ACR_PKT_CTRL_CONT;
+ acr_pkt_ctrl |= HDMI_ACR_PKT_CTRL_SEND;
+
+ /* configure infoframe: */
+ hdmi_audio_infoframe_pack(info, buf, sizeof(buf));
+ hdmi_write(hdmi, REG_HDMI_AUDIO_INFO0,
+ (buf[3] << 0) || (buf[4] << 8) ||
+ (buf[5] << 16) || (buf[6] << 24));
+ hdmi_write(hdmi, REG_HDMI_AUDIO_INFO1,
+ (buf[7] << 0) || (buf[8] << 8));
+
+ hdmi_write(hdmi, REG_HDMI_GC, 0);
+
+ vbi_pkt_ctrl |= HDMI_VBI_PKT_CTRL_GC_ENABLE;
+ vbi_pkt_ctrl |= HDMI_VBI_PKT_CTRL_GC_EVERY_FRAME;
+
+ aud_pkt_ctrl |= HDMI_AUDIO_PKT_CTRL1_AUDIO_SAMPLE_SEND;
+
+ infofrm_ctrl |= HDMI_INFOFRAME_CTRL0_AUDIO_INFO_SEND;
+ infofrm_ctrl |= HDMI_INFOFRAME_CTRL0_AUDIO_INFO_CONT;
+ infofrm_ctrl |= HDMI_INFOFRAME_CTRL0_AUDIO_INFO_SOURCE;
+ infofrm_ctrl |= HDMI_INFOFRAME_CTRL0_AUDIO_INFO_UPDATE;
+
+ audio_config &= ~HDMI_AUDIO_CFG_FIFO_WATERMARK__MASK;
+ audio_config |= HDMI_AUDIO_CFG_FIFO_WATERMARK(4);
+ audio_config |= HDMI_AUDIO_CFG_ENGINE_ENABLE;
+ } else {
+ hdmi_write(hdmi, REG_HDMI_GC, HDMI_GC_MUTE);
+ acr_pkt_ctrl &= ~HDMI_ACR_PKT_CTRL_CONT;
+ acr_pkt_ctrl &= ~HDMI_ACR_PKT_CTRL_SEND;
+ vbi_pkt_ctrl &= ~HDMI_VBI_PKT_CTRL_GC_ENABLE;
+ vbi_pkt_ctrl &= ~HDMI_VBI_PKT_CTRL_GC_EVERY_FRAME;
+ aud_pkt_ctrl &= ~HDMI_AUDIO_PKT_CTRL1_AUDIO_SAMPLE_SEND;
+ infofrm_ctrl &= ~HDMI_INFOFRAME_CTRL0_AUDIO_INFO_SEND;
+ infofrm_ctrl &= ~HDMI_INFOFRAME_CTRL0_AUDIO_INFO_CONT;
+ infofrm_ctrl &= ~HDMI_INFOFRAME_CTRL0_AUDIO_INFO_SOURCE;
+ infofrm_ctrl &= ~HDMI_INFOFRAME_CTRL0_AUDIO_INFO_UPDATE;
+ audio_config &= ~HDMI_AUDIO_CFG_ENGINE_ENABLE;
+ }
+
+ hdmi_write(hdmi, REG_HDMI_ACR_PKT_CTRL, acr_pkt_ctrl);
+ hdmi_write(hdmi, REG_HDMI_VBI_PKT_CTRL, vbi_pkt_ctrl);
+ hdmi_write(hdmi, REG_HDMI_AUDIO_PKT_CTRL1, aud_pkt_ctrl);
+ hdmi_write(hdmi, REG_HDMI_INFOFRAME_CTRL0, infofrm_ctrl);
+
+ hdmi_write(hdmi, REG_HDMI_AUD_INT,
+ COND(enabled, HDMI_AUD_INT_AUD_FIFO_URUN_INT) |
+ COND(enabled, HDMI_AUD_INT_AUD_SAM_DROP_INT));
+
+ hdmi_write(hdmi, REG_HDMI_AUDIO_CFG, audio_config);
+
+
+ DBG("audio %sabled", enabled ? "en" : "dis");
+
+ return 0;
+}
+
+int hdmi_audio_info_setup(struct hdmi *hdmi, bool enabled,
+ uint32_t num_of_channels, uint32_t channel_allocation,
+ uint32_t level_shift, bool down_mix)
+{
+ struct hdmi_audio *audio;
+
+ if (!hdmi)
+ return -ENXIO;
+
+ audio = &hdmi->audio;
+
+ if (num_of_channels >= ARRAY_SIZE(nchannels))
+ return -EINVAL;
+
+ audio->enabled = enabled;
+ audio->infoframe.channels = nchannels[num_of_channels];
+ audio->infoframe.channel_allocation = channel_allocation;
+ audio->infoframe.level_shift_value = level_shift;
+ audio->infoframe.downmix_inhibit = down_mix;
+
+ return hdmi_audio_update(hdmi);
+}
+
+void hdmi_audio_set_sample_rate(struct hdmi *hdmi, int rate)
+{
+ struct hdmi_audio *audio;
+
+ if (!hdmi)
+ return;
+
+ audio = &hdmi->audio;
+
+ if ((rate < 0) || (rate >= MSM_HDMI_SAMPLE_RATE_MAX))
+ return;
+
+ audio->rate = rate;
+ hdmi_audio_update(hdmi);
+}
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
index 5a8ee3473cf..f6cf745c249 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
@@ -19,10 +19,7 @@
struct hdmi_bridge {
struct drm_bridge base;
-
struct hdmi *hdmi;
-
- unsigned long int pixclock;
};
#define to_hdmi_bridge(x) container_of(x, struct hdmi_bridge, base)
@@ -34,6 +31,65 @@ static void hdmi_bridge_destroy(struct drm_bridge *bridge)
kfree(hdmi_bridge);
}
+static void power_on(struct drm_bridge *bridge)
+{
+ struct drm_device *dev = bridge->dev;
+ struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge);
+ struct hdmi *hdmi = hdmi_bridge->hdmi;
+ const struct hdmi_platform_config *config = hdmi->config;
+ int i, ret;
+
+ for (i = 0; i < config->pwr_reg_cnt; i++) {
+ ret = regulator_enable(hdmi->pwr_regs[i]);
+ if (ret) {
+ dev_err(dev->dev, "failed to enable pwr regulator: %s (%d)\n",
+ config->pwr_reg_names[i], ret);
+ }
+ }
+
+ if (config->pwr_clk_cnt > 0) {
+ DBG("pixclock: %lu", hdmi->pixclock);
+ ret = clk_set_rate(hdmi->pwr_clks[0], hdmi->pixclock);
+ if (ret) {
+ dev_err(dev->dev, "failed to set pixel clk: %s (%d)\n",
+ config->pwr_clk_names[0], ret);
+ }
+ }
+
+ for (i = 0; i < config->pwr_clk_cnt; i++) {
+ ret = clk_prepare_enable(hdmi->pwr_clks[i]);
+ if (ret) {
+ dev_err(dev->dev, "failed to enable pwr clk: %s (%d)\n",
+ config->pwr_clk_names[i], ret);
+ }
+ }
+}
+
+static void power_off(struct drm_bridge *bridge)
+{
+ struct drm_device *dev = bridge->dev;
+ struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge);
+ struct hdmi *hdmi = hdmi_bridge->hdmi;
+ const struct hdmi_platform_config *config = hdmi->config;
+ int i, ret;
+
+ /* TODO do we need to wait for final vblank somewhere before
+ * cutting the clocks?
+ */
+ mdelay(16 + 4);
+
+ for (i = 0; i < config->pwr_clk_cnt; i++)
+ clk_disable_unprepare(hdmi->pwr_clks[i]);
+
+ for (i = 0; i < config->pwr_reg_cnt; i++) {
+ ret = regulator_disable(hdmi->pwr_regs[i]);
+ if (ret) {
+ dev_err(dev->dev, "failed to disable pwr regulator: %s (%d)\n",
+ config->pwr_reg_names[i], ret);
+ }
+ }
+}
+
static void hdmi_bridge_pre_enable(struct drm_bridge *bridge)
{
struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge);
@@ -41,7 +97,14 @@ static void hdmi_bridge_pre_enable(struct drm_bridge *bridge)
struct hdmi_phy *phy = hdmi->phy;
DBG("power up");
- phy->funcs->powerup(phy, hdmi_bridge->pixclock);
+
+ if (!hdmi->power_on) {
+ power_on(bridge);
+ hdmi->power_on = true;
+ hdmi_audio_update(hdmi);
+ }
+
+ phy->funcs->powerup(phy, hdmi->pixclock);
hdmi_set_mode(hdmi, true);
}
@@ -62,6 +125,12 @@ static void hdmi_bridge_post_disable(struct drm_bridge *bridge)
DBG("power down");
hdmi_set_mode(hdmi, false);
phy->funcs->powerdown(phy);
+
+ if (hdmi->power_on) {
+ power_off(bridge);
+ hdmi->power_on = false;
+ hdmi_audio_update(hdmi);
+ }
}
static void hdmi_bridge_mode_set(struct drm_bridge *bridge,
@@ -75,7 +144,7 @@ static void hdmi_bridge_mode_set(struct drm_bridge *bridge,
mode = adjusted_mode;
- hdmi_bridge->pixclock = mode->clock * 1000;
+ hdmi->pixclock = mode->clock * 1000;
hdmi->hdmi_mode = drm_match_cea_mode(mode) > 1;
@@ -123,9 +192,7 @@ static void hdmi_bridge_mode_set(struct drm_bridge *bridge,
DBG("frame_ctrl=%08x", frame_ctrl);
hdmi_write(hdmi, REG_HDMI_FRAME_CTRL, frame_ctrl);
- // TODO until we have audio, this might be safest:
- if (hdmi->hdmi_mode)
- hdmi_write(hdmi, REG_HDMI_GC, HDMI_GC_MUTE);
+ hdmi_audio_update(hdmi);
}
static const struct drm_bridge_funcs hdmi_bridge_funcs = {
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
index 823eee521a3..28f7e3ec6c2 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
@@ -17,19 +17,20 @@
#include <linux/gpio.h>
+#include "msm_kms.h"
#include "hdmi.h"
struct hdmi_connector {
struct drm_connector base;
struct hdmi *hdmi;
+ struct work_struct hpd_work;
};
#define to_hdmi_connector(x) container_of(x, struct hdmi_connector, base)
static int gpio_config(struct hdmi *hdmi, bool on)
{
struct drm_device *dev = hdmi->dev;
- struct hdmi_platform_config *config =
- hdmi->pdev->dev.platform_data;
+ const struct hdmi_platform_config *config = hdmi->config;
int ret;
if (on) {
@@ -39,26 +40,43 @@ static int gpio_config(struct hdmi *hdmi, bool on)
"HDMI_DDC_CLK", config->ddc_clk_gpio, ret);
goto error1;
}
+ gpio_set_value_cansleep(config->ddc_clk_gpio, 1);
+
ret = gpio_request(config->ddc_data_gpio, "HDMI_DDC_DATA");
if (ret) {
dev_err(dev->dev, "'%s'(%d) gpio_request failed: %d\n",
"HDMI_DDC_DATA", config->ddc_data_gpio, ret);
goto error2;
}
+ gpio_set_value_cansleep(config->ddc_data_gpio, 1);
+
ret = gpio_request(config->hpd_gpio, "HDMI_HPD");
if (ret) {
dev_err(dev->dev, "'%s'(%d) gpio_request failed: %d\n",
"HDMI_HPD", config->hpd_gpio, ret);
goto error3;
}
- if (config->pmic_gpio != -1) {
- ret = gpio_request(config->pmic_gpio, "PMIC_HDMI_MUX_SEL");
+ gpio_direction_input(config->hpd_gpio);
+ gpio_set_value_cansleep(config->hpd_gpio, 1);
+
+ if (config->mux_en_gpio != -1) {
+ ret = gpio_request(config->mux_en_gpio, "HDMI_MUX_EN");
if (ret) {
dev_err(dev->dev, "'%s'(%d) gpio_request failed: %d\n",
- "PMIC_HDMI_MUX_SEL", config->pmic_gpio, ret);
+ "HDMI_MUX_SEL", config->mux_en_gpio, ret);
goto error4;
}
- gpio_set_value_cansleep(config->pmic_gpio, 0);
+ gpio_set_value_cansleep(config->mux_en_gpio, 1);
+ }
+
+ if (config->mux_sel_gpio != -1) {
+ ret = gpio_request(config->mux_sel_gpio, "HDMI_MUX_SEL");
+ if (ret) {
+ dev_err(dev->dev, "'%s'(%d) gpio_request failed: %d\n",
+ "HDMI_MUX_SEL", config->mux_sel_gpio, ret);
+ goto error5;
+ }
+ gpio_set_value_cansleep(config->mux_sel_gpio, 0);
}
DBG("gpio on");
} else {
@@ -66,15 +84,23 @@ static int gpio_config(struct hdmi *hdmi, bool on)
gpio_free(config->ddc_data_gpio);
gpio_free(config->hpd_gpio);
- if (config->pmic_gpio != -1) {
- gpio_set_value_cansleep(config->pmic_gpio, 1);
- gpio_free(config->pmic_gpio);
+ if (config->mux_en_gpio != -1) {
+ gpio_set_value_cansleep(config->mux_en_gpio, 0);
+ gpio_free(config->mux_en_gpio);
+ }
+
+ if (config->mux_sel_gpio != -1) {
+ gpio_set_value_cansleep(config->mux_sel_gpio, 1);
+ gpio_free(config->mux_sel_gpio);
}
DBG("gpio off");
}
return 0;
+error5:
+ if (config->mux_en_gpio != -1)
+ gpio_free(config->mux_en_gpio);
error4:
gpio_free(config->hpd_gpio);
error3:
@@ -88,10 +114,11 @@ error1:
static int hpd_enable(struct hdmi_connector *hdmi_connector)
{
struct hdmi *hdmi = hdmi_connector->hdmi;
+ const struct hdmi_platform_config *config = hdmi->config;
struct drm_device *dev = hdmi_connector->base.dev;
struct hdmi_phy *phy = hdmi->phy;
uint32_t hpd_ctrl;
- int ret;
+ int i, ret;
ret = gpio_config(hdmi, true);
if (ret) {
@@ -99,31 +126,30 @@ static int hpd_enable(struct hdmi_connector *hdmi_connector)
goto fail;
}
- ret = clk_prepare_enable(hdmi->clk);
- if (ret) {
- dev_err(dev->dev, "failed to enable 'clk': %d\n", ret);
- goto fail;
- }
-
- ret = clk_prepare_enable(hdmi->m_pclk);
- if (ret) {
- dev_err(dev->dev, "failed to enable 'm_pclk': %d\n", ret);
- goto fail;
- }
+ for (i = 0; i < config->hpd_clk_cnt; i++) {
+ if (config->hpd_freq && config->hpd_freq[i]) {
+ ret = clk_set_rate(hdmi->hpd_clks[i],
+ config->hpd_freq[i]);
+ if (ret)
+ dev_warn(dev->dev, "failed to set clk %s (%d)\n",
+ config->hpd_clk_names[i], ret);
+ }
- ret = clk_prepare_enable(hdmi->s_pclk);
- if (ret) {
- dev_err(dev->dev, "failed to enable 's_pclk': %d\n", ret);
- goto fail;
+ ret = clk_prepare_enable(hdmi->hpd_clks[i]);
+ if (ret) {
+ dev_err(dev->dev, "failed to enable hpd clk: %s (%d)\n",
+ config->hpd_clk_names[i], ret);
+ goto fail;
+ }
}
- if (hdmi->mpp0)
- ret = regulator_enable(hdmi->mpp0);
- if (!ret)
- ret = regulator_enable(hdmi->mvs);
- if (ret) {
- dev_err(dev->dev, "failed to enable regulators: %d\n", ret);
- goto fail;
+ for (i = 0; i < config->hpd_reg_cnt; i++) {
+ ret = regulator_enable(hdmi->hpd_regs[i]);
+ if (ret) {
+ dev_err(dev->dev, "failed to enable hpd regulator: %s (%d)\n",
+ config->hpd_reg_names[i], ret);
+ goto fail;
+ }
}
hdmi_set_mode(hdmi, false);
@@ -156,26 +182,26 @@ fail:
static int hdp_disable(struct hdmi_connector *hdmi_connector)
{
struct hdmi *hdmi = hdmi_connector->hdmi;
+ const struct hdmi_platform_config *config = hdmi->config;
struct drm_device *dev = hdmi_connector->base.dev;
- int ret = 0;
+ int i, ret = 0;
/* Disable HPD interrupt */
hdmi_write(hdmi, REG_HDMI_HPD_INT_CTRL, 0);
hdmi_set_mode(hdmi, false);
- if (hdmi->mpp0)
- ret = regulator_disable(hdmi->mpp0);
- if (!ret)
- ret = regulator_disable(hdmi->mvs);
- if (ret) {
- dev_err(dev->dev, "failed to enable regulators: %d\n", ret);
- goto fail;
+ for (i = 0; i < config->hpd_reg_cnt; i++) {
+ ret = regulator_disable(hdmi->hpd_regs[i]);
+ if (ret) {
+ dev_err(dev->dev, "failed to disable hpd regulator: %s (%d)\n",
+ config->hpd_reg_names[i], ret);
+ goto fail;
+ }
}
- clk_disable_unprepare(hdmi->clk);
- clk_disable_unprepare(hdmi->m_pclk);
- clk_disable_unprepare(hdmi->s_pclk);
+ for (i = 0; i < config->hpd_clk_cnt; i++)
+ clk_disable_unprepare(hdmi->hpd_clks[i]);
ret = gpio_config(hdmi, false);
if (ret) {
@@ -189,9 +215,19 @@ fail:
return ret;
}
+static void
+hotplug_work(struct work_struct *work)
+{
+ struct hdmi_connector *hdmi_connector =
+ container_of(work, struct hdmi_connector, hpd_work);
+ struct drm_connector *connector = &hdmi_connector->base;
+ drm_helper_hpd_irq_event(connector->dev);
+}
+
void hdmi_connector_irq(struct drm_connector *connector)
{
struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector);
+ struct msm_drm_private *priv = connector->dev->dev_private;
struct hdmi *hdmi = hdmi_connector->hdmi;
uint32_t hpd_int_status, hpd_int_ctrl;
@@ -209,37 +245,59 @@ void hdmi_connector_irq(struct drm_connector *connector)
hdmi_write(hdmi, REG_HDMI_HPD_INT_CTRL,
hpd_int_ctrl | HDMI_HPD_INT_CTRL_INT_ACK);
- drm_helper_hpd_irq_event(connector->dev);
-
/* detect disconnect if we are connected or visa versa: */
hpd_int_ctrl = HDMI_HPD_INT_CTRL_INT_EN;
if (!detected)
hpd_int_ctrl |= HDMI_HPD_INT_CTRL_INT_CONNECT;
hdmi_write(hdmi, REG_HDMI_HPD_INT_CTRL, hpd_int_ctrl);
+
+ queue_work(priv->wq, &hdmi_connector->hpd_work);
}
}
+static enum drm_connector_status detect_reg(struct hdmi *hdmi)
+{
+ uint32_t hpd_int_status = hdmi_read(hdmi, REG_HDMI_HPD_INT_STATUS);
+ return (hpd_int_status & HDMI_HPD_INT_STATUS_CABLE_DETECTED) ?
+ connector_status_connected : connector_status_disconnected;
+}
+
+static enum drm_connector_status detect_gpio(struct hdmi *hdmi)
+{
+ const struct hdmi_platform_config *config = hdmi->config;
+ return gpio_get_value(config->hpd_gpio) ?
+ connector_status_connected :
+ connector_status_disconnected;
+}
+
static enum drm_connector_status hdmi_connector_detect(
struct drm_connector *connector, bool force)
{
struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector);
struct hdmi *hdmi = hdmi_connector->hdmi;
- uint32_t hpd_int_status;
+ enum drm_connector_status stat_gpio, stat_reg;
int retry = 20;
- hpd_int_status = hdmi_read(hdmi, REG_HDMI_HPD_INT_STATUS);
+ do {
+ stat_gpio = detect_gpio(hdmi);
+ stat_reg = detect_reg(hdmi);
+
+ if (stat_gpio == stat_reg)
+ break;
- /* sense seems to in some cases be momentarily de-asserted, don't
- * let that trick us into thinking the monitor is gone:
- */
- while (retry-- && !(hpd_int_status & HDMI_HPD_INT_STATUS_CABLE_DETECTED)) {
mdelay(10);
- hpd_int_status = hdmi_read(hdmi, REG_HDMI_HPD_INT_STATUS);
- DBG("status=%08x", hpd_int_status);
+ } while (--retry);
+
+ /* the status we get from reading gpio seems to be more reliable,
+ * so trust that one the most if we didn't manage to get hdmi and
+ * gpio status to agree:
+ */
+ if (stat_gpio != stat_reg) {
+ DBG("HDMI_HPD_INT_STATUS tells us: %d", stat_reg);
+ DBG("hpd gpio tells us: %d", stat_gpio);
}
- return (hpd_int_status & HDMI_HPD_INT_STATUS_CABLE_DETECTED) ?
- connector_status_connected : connector_status_disconnected;
+ return stat_gpio;
}
static void hdmi_connector_destroy(struct drm_connector *connector)
@@ -285,6 +343,8 @@ static int hdmi_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector);
+ struct hdmi *hdmi = hdmi_connector->hdmi;
+ const struct hdmi_platform_config *config = hdmi->config;
struct msm_drm_private *priv = connector->dev->dev_private;
struct msm_kms *kms = priv->kms;
long actual, requested;
@@ -293,6 +353,13 @@ static int hdmi_connector_mode_valid(struct drm_connector *connector,
actual = kms->funcs->round_pixclk(kms,
requested, hdmi_connector->hdmi->encoder);
+ /* for mdp5/apq8074, we manage our own pixel clk (as opposed to
+ * mdp4/dtv stuff where pixel clk is assigned to mdp/encoder
+ * instead):
+ */
+ if (config->pwr_clk_cnt > 0)
+ actual = clk_round_rate(hdmi->pwr_clks[0], actual);
+
DBG("requested=%ld, actual=%ld", requested, actual);
if (actual != requested)
@@ -335,6 +402,7 @@ struct drm_connector *hdmi_connector_init(struct hdmi *hdmi)
}
hdmi_connector->hdmi = hdmi_reference(hdmi);
+ INIT_WORK(&hdmi_connector->hpd_work, hotplug_work);
connector = &hdmi_connector->base;
@@ -342,7 +410,8 @@ struct drm_connector *hdmi_connector_init(struct hdmi *hdmi)
DRM_MODE_CONNECTOR_HDMIA);
drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
- connector->polled = DRM_CONNECTOR_POLL_HPD;
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT |
+ DRM_CONNECTOR_POLL_DISCONNECT;
connector->interlace_allowed = 1;
connector->doublescan_allowed = 0;
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8x74.c b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8x74.c
new file mode 100644
index 00000000000..59fa6cdacb2
--- /dev/null
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8x74.c
@@ -0,0 +1,157 @@
+/*
+ * Copyright (C) 2013 Red Hat
+ * Author: Rob Clark <robdclark@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "hdmi.h"
+
+struct hdmi_phy_8x74 {
+ struct hdmi_phy base;
+ struct hdmi *hdmi;
+ void __iomem *mmio;
+};
+#define to_hdmi_phy_8x74(x) container_of(x, struct hdmi_phy_8x74, base)
+
+
+static void phy_write(struct hdmi_phy_8x74 *phy, u32 reg, u32 data)
+{
+ msm_writel(data, phy->mmio + reg);
+}
+
+//static u32 phy_read(struct hdmi_phy_8x74 *phy, u32 reg)
+//{
+// return msm_readl(phy->mmio + reg);
+//}
+
+static void hdmi_phy_8x74_destroy(struct hdmi_phy *phy)
+{
+ struct hdmi_phy_8x74 *phy_8x74 = to_hdmi_phy_8x74(phy);
+ kfree(phy_8x74);
+}
+
+static void hdmi_phy_8x74_reset(struct hdmi_phy *phy)
+{
+ struct hdmi_phy_8x74 *phy_8x74 = to_hdmi_phy_8x74(phy);
+ struct hdmi *hdmi = phy_8x74->hdmi;
+ unsigned int val;
+
+ /* NOTE that HDMI_PHY_CTL is in core mmio, not phy mmio: */
+
+ val = hdmi_read(hdmi, REG_HDMI_PHY_CTRL);
+
+ if (val & HDMI_PHY_CTRL_SW_RESET_LOW) {
+ /* pull low */
+ hdmi_write(hdmi, REG_HDMI_PHY_CTRL,
+ val & ~HDMI_PHY_CTRL_SW_RESET);
+ } else {
+ /* pull high */
+ hdmi_write(hdmi, REG_HDMI_PHY_CTRL,
+ val | HDMI_PHY_CTRL_SW_RESET);
+ }
+
+ if (val & HDMI_PHY_CTRL_SW_RESET_PLL_LOW) {
+ /* pull low */
+ hdmi_write(hdmi, REG_HDMI_PHY_CTRL,
+ val & ~HDMI_PHY_CTRL_SW_RESET_PLL);
+ } else {
+ /* pull high */
+ hdmi_write(hdmi, REG_HDMI_PHY_CTRL,
+ val | HDMI_PHY_CTRL_SW_RESET_PLL);
+ }
+
+ msleep(100);
+
+ if (val & HDMI_PHY_CTRL_SW_RESET_LOW) {
+ /* pull high */
+ hdmi_write(hdmi, REG_HDMI_PHY_CTRL,
+ val | HDMI_PHY_CTRL_SW_RESET);
+ } else {
+ /* pull low */
+ hdmi_write(hdmi, REG_HDMI_PHY_CTRL,
+ val & ~HDMI_PHY_CTRL_SW_RESET);
+ }
+
+ if (val & HDMI_PHY_CTRL_SW_RESET_PLL_LOW) {
+ /* pull high */
+ hdmi_write(hdmi, REG_HDMI_PHY_CTRL,
+ val | HDMI_PHY_CTRL_SW_RESET_PLL);
+ } else {
+ /* pull low */
+ hdmi_write(hdmi, REG_HDMI_PHY_CTRL,
+ val & ~HDMI_PHY_CTRL_SW_RESET_PLL);
+ }
+}
+
+static void hdmi_phy_8x74_powerup(struct hdmi_phy *phy,
+ unsigned long int pixclock)
+{
+ struct hdmi_phy_8x74 *phy_8x74 = to_hdmi_phy_8x74(phy);
+
+ phy_write(phy_8x74, REG_HDMI_8x74_ANA_CFG0, 0x1b);
+ phy_write(phy_8x74, REG_HDMI_8x74_ANA_CFG1, 0xf2);
+ phy_write(phy_8x74, REG_HDMI_8x74_BIST_CFG0, 0x0);
+ phy_write(phy_8x74, REG_HDMI_8x74_BIST_PATN0, 0x0);
+ phy_write(phy_8x74, REG_HDMI_8x74_BIST_PATN1, 0x0);
+ phy_write(phy_8x74, REG_HDMI_8x74_BIST_PATN2, 0x0);
+ phy_write(phy_8x74, REG_HDMI_8x74_BIST_PATN3, 0x0);
+ phy_write(phy_8x74, REG_HDMI_8x74_PD_CTRL1, 0x20);
+}
+
+static void hdmi_phy_8x74_powerdown(struct hdmi_phy *phy)
+{
+ struct hdmi_phy_8x74 *phy_8x74 = to_hdmi_phy_8x74(phy);
+ phy_write(phy_8x74, REG_HDMI_8x74_PD_CTRL0, 0x7f);
+}
+
+static const struct hdmi_phy_funcs hdmi_phy_8x74_funcs = {
+ .destroy = hdmi_phy_8x74_destroy,
+ .reset = hdmi_phy_8x74_reset,
+ .powerup = hdmi_phy_8x74_powerup,
+ .powerdown = hdmi_phy_8x74_powerdown,
+};
+
+struct hdmi_phy *hdmi_phy_8x74_init(struct hdmi *hdmi)
+{
+ struct hdmi_phy_8x74 *phy_8x74;
+ struct hdmi_phy *phy = NULL;
+ int ret;
+
+ phy_8x74 = kzalloc(sizeof(*phy_8x74), GFP_KERNEL);
+ if (!phy_8x74) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
+ phy = &phy_8x74->base;
+
+ phy->funcs = &hdmi_phy_8x74_funcs;
+
+ phy_8x74->hdmi = hdmi;
+
+ /* for 8x74, the phy mmio is mapped separately: */
+ phy_8x74->mmio = msm_ioremap(hdmi->pdev,
+ "phy_physical", "HDMI_8x74");
+ if (IS_ERR(phy_8x74->mmio)) {
+ ret = PTR_ERR(phy_8x74->mmio);
+ goto fail;
+ }
+
+ return phy;
+
+fail:
+ if (phy)
+ hdmi_phy_8x74_destroy(phy);
+ return ERR_PTR(ret);
+}
diff --git a/drivers/gpu/drm/msm/hdmi/qfprom.xml.h b/drivers/gpu/drm/msm/hdmi/qfprom.xml.h
index dbde4f6339b..d591567173c 100644
--- a/drivers/gpu/drm/msm/hdmi/qfprom.xml.h
+++ b/drivers/gpu/drm/msm/hdmi/qfprom.xml.h
@@ -8,14 +8,16 @@ http://github.com/freedreno/envytools/
git clone https://github.com/freedreno/envytools.git
The rules-ng-ng source files this header was generated from are:
-- /home/robclark/src/freedreno/envytools/rnndb/msm.xml ( 595 bytes, from 2013-07-05 19:21:12)
+- /home/robclark/src/freedreno/envytools/rnndb/msm.xml ( 647 bytes, from 2013-11-30 14:45:35)
- /home/robclark/src/freedreno/envytools/rnndb/freedreno_copyright.xml ( 1453 bytes, from 2013-03-31 16:51:27)
-- /home/robclark/src/freedreno/envytools/rnndb/mdp4/mdp4.xml ( 19332 bytes, from 2013-10-07 16:36:48)
+- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp4.xml ( 17996 bytes, from 2013-12-01 19:10:31)
+- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp_common.xml ( 1615 bytes, from 2013-11-30 15:00:52)
+- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp5.xml ( 22517 bytes, from 2013-12-03 20:59:13)
- /home/robclark/src/freedreno/envytools/rnndb/dsi/dsi.xml ( 11712 bytes, from 2013-08-17 17:13:43)
- /home/robclark/src/freedreno/envytools/rnndb/dsi/sfpb.xml ( 344 bytes, from 2013-08-11 19:26:32)
- /home/robclark/src/freedreno/envytools/rnndb/dsi/mmss_cc.xml ( 1544 bytes, from 2013-08-16 19:17:05)
- /home/robclark/src/freedreno/envytools/rnndb/hdmi/qfprom.xml ( 600 bytes, from 2013-07-05 19:21:12)
-- /home/robclark/src/freedreno/envytools/rnndb/hdmi/hdmi.xml ( 19288 bytes, from 2013-08-11 18:14:15)
+- /home/robclark/src/freedreno/envytools/rnndb/hdmi/hdmi.xml ( 20932 bytes, from 2013-12-01 15:13:04)
Copyright (C) 2013 by the following authors:
- Rob Clark <robdclark@gmail.com> (robclark)