diff options
Diffstat (limited to 'drivers/gpu/drm/msm/hdmi')
-rw-r--r-- | drivers/gpu/drm/msm/hdmi/hdmi.c | 272 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/hdmi/hdmi.h | 131 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/hdmi/hdmi.xml.h | 508 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 167 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/hdmi/hdmi_connector.c | 367 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/hdmi/hdmi_i2c.c | 281 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/hdmi/hdmi_phy_8960.c | 141 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/hdmi/hdmi_phy_8x60.c | 214 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/hdmi/qfprom.xml.h | 50 |
9 files changed, 2131 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c new file mode 100644 index 00000000000..50d11df35b2 --- /dev/null +++ b/drivers/gpu/drm/msm/hdmi/hdmi.c @@ -0,0 +1,272 @@ +/* + * 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" + +static struct platform_device *hdmi_pdev; + +void hdmi_set_mode(struct hdmi *hdmi, bool power_on) +{ + uint32_t ctrl = 0; + + if (power_on) { + ctrl |= HDMI_CTRL_ENABLE; + if (!hdmi->hdmi_mode) { + ctrl |= HDMI_CTRL_HDMI; + hdmi_write(hdmi, REG_HDMI_CTRL, ctrl); + ctrl &= ~HDMI_CTRL_HDMI; + } else { + ctrl |= HDMI_CTRL_HDMI; + } + } else { + ctrl = HDMI_CTRL_HDMI; + } + + hdmi_write(hdmi, REG_HDMI_CTRL, ctrl); + DBG("HDMI Core: %s, HDMI_CTRL=0x%08x", + power_on ? "Enable" : "Disable", ctrl); +} + +static irqreturn_t hdmi_irq(int irq, void *dev_id) +{ + struct hdmi *hdmi = dev_id; + + /* Process HPD: */ + hdmi_connector_irq(hdmi->connector); + + /* Process DDC: */ + hdmi_i2c_irq(hdmi->i2c); + + /* TODO audio.. */ + + return IRQ_HANDLED; +} + +void hdmi_destroy(struct kref *kref) +{ + struct hdmi *hdmi = container_of(kref, struct hdmi, refcount); + struct hdmi_phy *phy = hdmi->phy; + + if (phy) + phy->funcs->destroy(phy); + + if (hdmi->i2c) + hdmi_i2c_destroy(hdmi->i2c); + + put_device(&hdmi->pdev->dev); +} + +/* initialize connector */ +int 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 hdmi_platform_config *config; + int ret; + + if (!pdev) { + dev_err(dev->dev, "no hdmi device\n"); + ret = -ENXIO; + goto fail; + } + + config = pdev->dev.platform_data; + + hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL); + if (!hdmi) { + ret = -ENOMEM; + goto fail; + } + + kref_init(&hdmi->refcount); + + get_device(&pdev->dev); + + hdmi->dev = dev; + hdmi->pdev = pdev; + hdmi->encoder = encoder; + + /* not sure about which phy maps to which msm.. probably I miss some */ + if (config->phy_init) + hdmi->phy = config->phy_init(hdmi); + else + hdmi->phy = ERR_PTR(-ENXIO); + + if (IS_ERR(hdmi->phy)) { + ret = PTR_ERR(hdmi->phy); + dev_err(dev->dev, "failed to load phy: %d\n", ret); + hdmi->phy = NULL; + goto fail; + } + + hdmi->mmio = msm_ioremap(pdev, "hdmi_msm_hdmi_addr", "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; + } + + hdmi->mpp0 = devm_regulator_get(&pdev->dev, "8901_mpp0"); + if (IS_ERR(hdmi->mpp0)) + hdmi->mpp0 = NULL; + + 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; + } + + 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; + } + + 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; + } + + hdmi->i2c = hdmi_i2c_init(hdmi); + if (IS_ERR(hdmi->i2c)) { + ret = PTR_ERR(hdmi->i2c); + dev_err(dev->dev, "failed to get i2c: %d\n", ret); + hdmi->i2c = NULL; + goto fail; + } + + hdmi->bridge = hdmi_bridge_init(hdmi); + if (IS_ERR(hdmi->bridge)) { + ret = PTR_ERR(hdmi->bridge); + dev_err(dev->dev, "failed to create HDMI bridge: %d\n", ret); + hdmi->bridge = NULL; + goto fail; + } + + hdmi->connector = hdmi_connector_init(hdmi); + if (IS_ERR(hdmi->connector)) { + ret = PTR_ERR(hdmi->connector); + dev_err(dev->dev, "failed to create HDMI connector: %d\n", ret); + hdmi->connector = NULL; + 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; + } + + 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; + + priv->bridges[priv->num_bridges++] = hdmi->bridge; + priv->connectors[priv->num_connectors++] = hdmi->connector; + + return 0; + +fail: + if (hdmi) { + /* bridge/connector are normally destroyed by drm: */ + if (hdmi->bridge) + hdmi->bridge->funcs->destroy(hdmi->bridge); + if (hdmi->connector) + hdmi->connector->funcs->destroy(hdmi->connector); + hdmi_destroy(&hdmi->refcount); + } + + return ret; +} + +/* + * The hdmi device: + */ + +static int hdmi_dev_probe(struct platform_device *pdev) +{ + static struct hdmi_platform_config config = {}; +#ifdef CONFIG_OF + /* TODO */ +#else + if (cpu_is_apq8064()) { + config.phy_init = hdmi_phy_8960_init; + 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.phy_init = hdmi_phy_8960_init; + config.ddc_clk_gpio = 100; + config.ddc_data_gpio = 101; + config.hpd_gpio = 102; + config.pmic_gpio = -1; + } else if (cpu_is_msm8x60()) { + config.phy_init = hdmi_phy_8x60_init; + config.ddc_clk_gpio = 170; + config.ddc_data_gpio = 171; + config.hpd_gpio = 172; + config.pmic_gpio = -1; + } +#endif + pdev->dev.platform_data = &config; + hdmi_pdev = pdev; + return 0; +} + +static int hdmi_dev_remove(struct platform_device *pdev) +{ + hdmi_pdev = NULL; + return 0; +} + +static struct platform_driver hdmi_driver = { + .probe = hdmi_dev_probe, + .remove = hdmi_dev_remove, + .driver.name = "hdmi_msm", +}; + +void __init hdmi_register(void) +{ + platform_driver_register(&hdmi_driver); +} + +void __exit hdmi_unregister(void) +{ + platform_driver_unregister(&hdmi_driver); +} diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h new file mode 100644 index 00000000000..2c2ec566394 --- /dev/null +++ b/drivers/gpu/drm/msm/hdmi/hdmi.h @@ -0,0 +1,131 @@ +/* + * 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/>. + */ + +#ifndef __HDMI_CONNECTOR_H__ +#define __HDMI_CONNECTOR_H__ + +#include <linux/i2c.h> +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <linux/regulator/consumer.h> + +#include "msm_drv.h" +#include "hdmi.xml.h" + + +struct hdmi_phy; + +struct hdmi { + struct kref refcount; + + struct drm_device *dev; + struct platform_device *pdev; + + void __iomem *mmio; + + struct regulator *mvs; /* HDMI_5V */ + struct regulator *mpp0; /* External 5V */ + + struct clk *clk; + struct clk *m_pclk; + struct clk *s_pclk; + + struct hdmi_phy *phy; + struct i2c_adapter *i2c; + struct drm_connector *connector; + struct drm_bridge *bridge; + + /* the encoder we are hooked to (outside of hdmi block) */ + struct drm_encoder *encoder; + + bool hdmi_mode; /* are we in hdmi mode? */ + + int irq; +}; + +/* 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; +}; + +void hdmi_set_mode(struct hdmi *hdmi, bool power_on); +void hdmi_destroy(struct kref *kref); + +static inline void hdmi_write(struct hdmi *hdmi, u32 reg, u32 data) +{ + msm_writel(data, hdmi->mmio + reg); +} + +static inline u32 hdmi_read(struct hdmi *hdmi, u32 reg) +{ + return msm_readl(hdmi->mmio + reg); +} + +static inline struct hdmi * hdmi_reference(struct hdmi *hdmi) +{ + kref_get(&hdmi->refcount); + return hdmi; +} + +static inline void hdmi_unreference(struct hdmi *hdmi) +{ + kref_put(&hdmi->refcount, hdmi_destroy); +} + +/* + * The phy appears to be different, for example between 8960 and 8x60, + * so split the phy related functions out and load the correct one at + * runtime: + */ + +struct hdmi_phy_funcs { + void (*destroy)(struct hdmi_phy *phy); + void (*reset)(struct hdmi_phy *phy); + void (*powerup)(struct hdmi_phy *phy, unsigned long int pixclock); + void (*powerdown)(struct hdmi_phy *phy); +}; + +struct hdmi_phy { + const struct hdmi_phy_funcs *funcs; +}; + +struct hdmi_phy *hdmi_phy_8960_init(struct hdmi *hdmi); +struct hdmi_phy *hdmi_phy_8x60_init(struct hdmi *hdmi); + +/* + * hdmi bridge: + */ + +struct drm_bridge *hdmi_bridge_init(struct hdmi *hdmi); + +/* + * hdmi connector: + */ + +void hdmi_connector_irq(struct drm_connector *connector); +struct drm_connector *hdmi_connector_init(struct hdmi *hdmi); + +/* + * i2c adapter for ddc: + */ + +void hdmi_i2c_irq(struct i2c_adapter *i2c); +void hdmi_i2c_destroy(struct i2c_adapter *i2c); +struct i2c_adapter *hdmi_i2c_init(struct hdmi *hdmi); + +#endif /* __HDMI_CONNECTOR_H__ */ diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.xml.h b/drivers/gpu/drm/msm/hdmi/hdmi.xml.h new file mode 100644 index 00000000000..f5fa4865e05 --- /dev/null +++ b/drivers/gpu/drm/msm/hdmi/hdmi.xml.h @@ -0,0 +1,508 @@ +#ifndef HDMI_XML +#define HDMI_XML + +/* Autogenerated file, DO NOT EDIT manually! + +This file was generated by the rules-ng-ng headergen tool in this git repository: +http://0x04.net/cgit/index.cgi/rules-ng-ng +git clone git://0x04.net/rules-ng-ng + +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/freedreno_copyright.xml ( 1453 bytes, from 2013-03-31 16:51:27) +- /home/robclark/src/freedreno/envytools/rnndb/mdp4/mdp4.xml ( 19332 bytes, from 2013-08-16 22:16:36) +- /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) + +Copyright (C) 2013 by the following authors: +- Rob Clark <robdclark@gmail.com> (robclark) + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice (including the +next paragraph) shall be included in all copies or substantial +portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + + +enum hdmi_hdcp_key_state { + NO_KEYS = 0, + NOT_CHECKED = 1, + CHECKING = 2, + KEYS_VALID = 3, + AKSV_INVALID = 4, + CHECKSUM_MISMATCH = 5, +}; + +enum hdmi_ddc_read_write { + DDC_WRITE = 0, + DDC_READ = 1, +}; + +enum hdmi_acr_cts { + ACR_NONE = 0, + ACR_32 = 1, + ACR_44 = 2, + ACR_48 = 3, +}; + +#define REG_HDMI_CTRL 0x00000000 +#define HDMI_CTRL_ENABLE 0x00000001 +#define HDMI_CTRL_HDMI 0x00000002 +#define HDMI_CTRL_ENCRYPTED 0x00000004 + +#define REG_HDMI_AUDIO_PKT_CTRL1 0x00000020 +#define HDMI_AUDIO_PKT_CTRL1_AUDIO_SAMPLE_SEND 0x00000001 + +#define REG_HDMI_ACR_PKT_CTRL 0x00000024 +#define HDMI_ACR_PKT_CTRL_CONT 0x00000001 +#define HDMI_ACR_PKT_CTRL_SEND 0x00000002 +#define HDMI_ACR_PKT_CTRL_SELECT__MASK 0x00000030 +#define HDMI_ACR_PKT_CTRL_SELECT__SHIFT 4 +static inline uint32_t HDMI_ACR_PKT_CTRL_SELECT(enum hdmi_acr_cts val) +{ + return ((val) << HDMI_ACR_PKT_CTRL_SELECT__SHIFT) & HDMI_ACR_PKT_CTRL_SELECT__MASK; +} +#define HDMI_ACR_PKT_CTRL_SOURCE 0x00000100 +#define HDMI_ACR_PKT_CTRL_N_MULTIPLIER__MASK 0x00070000 +#define HDMI_ACR_PKT_CTRL_N_MULTIPLIER__SHIFT 16 +static inline uint32_t HDMI_ACR_PKT_CTRL_N_MULTIPLIER(uint32_t val) +{ + return ((val) << HDMI_ACR_PKT_CTRL_N_MULTIPLIER__SHIFT) & HDMI_ACR_PKT_CTRL_N_MULTIPLIER__MASK; +} +#define HDMI_ACR_PKT_CTRL_AUDIO_PRIORITY 0x80000000 + +#define REG_HDMI_VBI_PKT_CTRL 0x00000028 +#define HDMI_VBI_PKT_CTRL_GC_ENABLE 0x00000010 +#define HDMI_VBI_PKT_CTRL_GC_EVERY_FRAME 0x00000020 +#define HDMI_VBI_PKT_CTRL_ISRC_SEND 0x00000100 +#define HDMI_VBI_PKT_CTRL_ISRC_CONTINUOUS 0x00000200 +#define HDMI_VBI_PKT_CTRL_ACP_SEND 0x00001000 +#define HDMI_VBI_PKT_CTRL_ACP_SRC_SW 0x00002000 + +#define REG_HDMI_INFOFRAME_CTRL0 0x0000002c +#define HDMI_INFOFRAME_CTRL0_AVI_SEND 0x00000001 +#define HDMI_INFOFRAME_CTRL0_AVI_CONT 0x00000002 +#define HDMI_INFOFRAME_CTRL0_AUDIO_INFO_SEND 0x00000010 +#define HDMI_INFOFRAME_CTRL0_AUDIO_INFO_CONT 0x00000020 +#define HDMI_INFOFRAME_CTRL0_AUDIO_INFO_SOURCE 0x00000040 +#define HDMI_INFOFRAME_CTRL0_AUDIO_INFO_UPDATE 0x00000080 + +#define REG_HDMI_GEN_PKT_CTRL 0x00000034 +#define HDMI_GEN_PKT_CTRL_GENERIC0_SEND 0x00000001 +#define HDMI_GEN_PKT_CTRL_GENERIC0_CONT 0x00000002 +#define HDMI_GEN_PKT_CTRL_GENERIC0_UPDATE__MASK 0x0000000c +#define HDMI_GEN_PKT_CTRL_GENERIC0_UPDATE__SHIFT 2 +static inline uint32_t HDMI_GEN_PKT_CTRL_GENERIC0_UPDATE(uint32_t val) +{ + return ((val) << HDMI_GEN_PKT_CTRL_GENERIC0_UPDATE__SHIFT) & HDMI_GEN_PKT_CTRL_GENERIC0_UPDATE__MASK; +} +#define HDMI_GEN_PKT_CTRL_GENERIC1_SEND 0x00000010 +#define HDMI_GEN_PKT_CTRL_GENERIC1_CONT 0x00000020 +#define HDMI_GEN_PKT_CTRL_GENERIC0_LINE__MASK 0x003f0000 +#define HDMI_GEN_PKT_CTRL_GENERIC0_LINE__SHIFT 16 +static inline uint32_t HDMI_GEN_PKT_CTRL_GENERIC0_LINE(uint32_t val) +{ + return ((val) << HDMI_GEN_PKT_CTRL_GENERIC0_LINE__SHIFT) & HDMI_GEN_PKT_CTRL_GENERIC0_LINE__MASK; +} +#define HDMI_GEN_PKT_CTRL_GENERIC1_LINE__MASK 0x3f000000 +#define HDMI_GEN_PKT_CTRL_GENERIC1_LINE__SHIFT 24 +static inline uint32_t HDMI_GEN_PKT_CTRL_GENERIC1_LINE(uint32_t val) +{ + return ((val) << HDMI_GEN_PKT_CTRL_GENERIC1_LINE__SHIFT) & HDMI_GEN_PKT_CTRL_GENERIC1_LINE__MASK; +} + +#define REG_HDMI_GC 0x00000040 +#define HDMI_GC_MUTE 0x00000001 + +#define REG_HDMI_AUDIO_PKT_CTRL2 0x00000044 +#define HDMI_AUDIO_PKT_CTRL2_OVERRIDE 0x00000001 +#define HDMI_AUDIO_PKT_CTRL2_LAYOUT 0x00000002 + +static inline uint32_t REG_HDMI_AVI_INFO(uint32_t i0) { return 0x0000006c + 0x4*i0; } + +#define REG_HDMI_GENERIC0_HDR 0x00000084 + +static inline uint32_t REG_HDMI_GENERIC0(uint32_t i0) { return 0x00000088 + 0x4*i0; } + +#define REG_HDMI_GENERIC1_HDR 0x000000a4 + +static inline uint32_t REG_HDMI_GENERIC1(uint32_t i0) { return 0x000000a8 + 0x4*i0; } + +static inline uint32_t REG_HDMI_ACR(uint32_t i0) { return 0x000000c4 + 0x8*i0; } + +static inline uint32_t REG_HDMI_ACR_0(uint32_t i0) { return 0x000000c4 + 0x8*i0; } +#define HDMI_ACR_0_CTS__MASK 0xfffff000 +#define HDMI_ACR_0_CTS__SHIFT 12 +static inline uint32_t HDMI_ACR_0_CTS(uint32_t val) +{ + return ((val) << HDMI_ACR_0_CTS__SHIFT) & HDMI_ACR_0_CTS__MASK; +} + +static inline uint32_t REG_HDMI_ACR_1(uint32_t i0) { return 0x000000c8 + 0x8*i0; } +#define HDMI_ACR_1_N__MASK 0xffffffff +#define HDMI_ACR_1_N__SHIFT 0 +static inline uint32_t HDMI_ACR_1_N(uint32_t val) +{ + return ((val) << HDMI_ACR_1_N__SHIFT) & HDMI_ACR_1_N__MASK; +} + +#define REG_HDMI_AUDIO_INFO0 0x000000e4 +#define HDMI_AUDIO_INFO0_CHECKSUM__MASK 0x000000ff +#define HDMI_AUDIO_INFO0_CHECKSUM__SHIFT 0 +static inline uint32_t HDMI_AUDIO_INFO0_CHECKSUM(uint32_t val) +{ + return ((val) << HDMI_AUDIO_INFO0_CHECKSUM__SHIFT) & HDMI_AUDIO_INFO0_CHECKSUM__MASK; +} +#define HDMI_AUDIO_INFO0_CC__MASK 0x00000700 +#define HDMI_AUDIO_INFO0_CC__SHIFT 8 +static inline uint32_t HDMI_AUDIO_INFO0_CC(uint32_t val) +{ + return ((val) << HDMI_AUDIO_INFO0_CC__SHIFT) & HDMI_AUDIO_INFO0_CC__MASK; +} + +#define REG_HDMI_AUDIO_INFO1 0x000000e8 +#define HDMI_AUDIO_INFO1_CA__MASK 0x000000ff +#define HDMI_AUDIO_INFO1_CA__SHIFT 0 +static inline uint32_t HDMI_AUDIO_INFO1_CA(uint32_t val) +{ + return ((val) << HDMI_AUDIO_INFO1_CA__SHIFT) & HDMI_AUDIO_INFO1_CA__MASK; +} +#define HDMI_AUDIO_INFO1_LSV__MASK 0x00007800 +#define HDMI_AUDIO_INFO1_LSV__SHIFT 11 +static inline uint32_t HDMI_AUDIO_INFO1_LSV(uint32_t val) +{ + return ((val) << HDMI_AUDIO_INFO1_LSV__SHIFT) & HDMI_AUDIO_INFO1_LSV__MASK; +} +#define HDMI_AUDIO_INFO1_DM_INH 0x00008000 + +#define REG_HDMI_HDCP_CTRL 0x00000110 +#define HDMI_HDCP_CTRL_ENABLE 0x00000001 +#define HDMI_HDCP_CTRL_ENCRYPTION_ENABLE 0x00000100 + +#define REG_HDMI_HDCP_INT_CTRL 0x00000118 + +#define REG_HDMI_HDCP_LINK0_STATUS 0x0000011c +#define HDMI_HDCP_LINK0_STATUS_AN_0_READY 0x00000100 +#define HDMI_HDCP_LINK0_STATUS_AN_1_READY 0x00000200 +#define HDMI_HDCP_LINK0_STATUS_KEY_STATE__MASK 0x70000000 +#define HDMI_HDCP_LINK0_STATUS_KEY_STATE__SHIFT 28 +static inline uint32_t HDMI_HDCP_LINK0_STATUS_KEY_STATE(enum hdmi_hdcp_key_state val) +{ + return ((val) << HDMI_HDCP_LINK0_STATUS_KEY_STATE__SHIFT) & HDMI_HDCP_LINK0_STATUS_KEY_STATE__MASK; +} + +#define REG_HDMI_HDCP_RESET 0x00000130 +#define HDMI_HDCP_RESET_LINK0_DEAUTHENTICATE 0x00000001 + +#define REG_HDMI_AUDIO_CFG 0x000001d0 +#define HDMI_AUDIO_CFG_ENGINE_ENABLE 0x00000001 +#define HDMI_AUDIO_CFG_FIFO_WATERMARK__MASK 0x000000f0 +#define HDMI_AUDIO_CFG_FIFO_WATERMARK__SHIFT 4 +static inline uint32_t HDMI_AUDIO_CFG_FIFO_WATERMARK(uint32_t val) +{ + return ((val) << HDMI_AUDIO_CFG_FIFO_WATERMARK__SHIFT) & HDMI_AUDIO_CFG_FIFO_WATERMARK__MASK; +} + +#define REG_HDMI_USEC_REFTIMER 0x00000208 + +#define REG_HDMI_DDC_CTRL 0x0000020c +#define HDMI_DDC_CTRL_GO 0x00000001 +#define HDMI_DDC_CTRL_SOFT_RESET 0x00000002 +#define HDMI_DDC_CTRL_SEND_RESET 0x00000004 +#define HDMI_DDC_CTRL_SW_STATUS_RESET 0x00000008 +#define HDMI_DDC_CTRL_TRANSACTION_CNT__MASK 0x00300000 +#define HDMI_DDC_CTRL_TRANSACTION_CNT__SHIFT 20 +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_INT_CTRL 0x00000214 +#define HDMI_DDC_INT_CTRL_SW_DONE_INT 0x00000001 +#define HDMI_DDC_INT_CTRL_SW_DONE_ACK 0x00000002 +#define HDMI_DDC_INT_CTRL_SW_DONE_MASK 0x00000004 + +#define REG_HDMI_DDC_SW_STATUS 0x00000218 +#define HDMI_DDC_SW_STATUS_NACK0 0x00001000 +#define HDMI_DDC_SW_STATUS_NACK1 0x00002000 +#define HDMI_DDC_SW_STATUS_NACK2 0x00004000 +#define HDMI_DDC_SW_STATUS_NACK3 0x00008000 + +#define REG_HDMI_DDC_HW_STATUS 0x0000021c + +#define REG_HDMI_DDC_SPEED 0x00000220 +#define HDMI_DDC_SPEED_THRESHOLD__MASK 0x00000003 +#define HDMI_DDC_SPEED_THRESHOLD__SHIFT 0 +static inline uint32_t HDMI_DDC_SPEED_THRESHOLD(uint32_t val) +{ + return ((val) << HDMI_DDC_SPEED_THRESHOLD__SHIFT) & HDMI_DDC_SPEED_THRESHOLD__MASK; +} +#define HDMI_DDC_SPEED_PRESCALE__MASK 0xffff0000 +#define HDMI_DDC_SPEED_PRESCALE__SHIFT 16 +static inline uint32_t HDMI_DDC_SPEED_PRESCALE(uint32_t val) +{ + return ((val) << HDMI_DDC_SPEED_PRESCALE__SHIFT) & HDMI_DDC_SPEED_PRESCALE__MASK; +} + +#define REG_HDMI_DDC_SETUP 0x00000224 +#define HDMI_DDC_SETUP_TIMEOUT__MASK 0xff000000 +#define HDMI_DDC_SETUP_TIMEOUT__SHIFT 24 +static inline uint32_t HDMI_DDC_SETUP_TIMEOUT(uint32_t val) +{ + return ((val) << HDMI_DDC_SETUP_TIMEOUT__SHIFT) & HDMI_DDC_SETUP_TIMEOUT__MASK; +} + +static inline uint32_t REG_HDMI_I2C_TRANSACTION(uint32_t i0) { return 0x00000228 + 0x4*i0; } + +static inline uint32_t REG_HDMI_I2C_TRANSACTION_REG(uint32_t i0) { return 0x00000228 + 0x4*i0; } +#define HDMI_I2C_TRANSACTION_REG_RW__MASK 0x00000001 +#define HDMI_I2C_TRANSACTION_REG_RW__SHIFT 0 +static inline uint32_t HDMI_I2C_TRANSACTION_REG_RW(enum hdmi_ddc_read_write val) +{ + return ((val) << HDMI_I2C_TRANSACTION_REG_RW__SHIFT) & HDMI_I2C_TRANSACTION_REG_RW__MASK; +} +#define HDMI_I2C_TRANSACTION_REG_STOP_ON_NACK 0x00000100 +#define HDMI_I2C_TRANSACTION_REG_START 0x00001000 +#define HDMI_I2C_TRANSACTION_REG_STOP 0x00002000 +#define HDMI_I2C_TRANSACTION_REG_CNT__MASK 0x00ff0000 +#define HDMI_I2C_TRANSACTION_REG_CNT__SHIFT 16 +static inline uint32_t HDMI_I2C_TRANSACTION_REG_CNT(uint32_t val) +{ + return ((val) << HDMI_I2C_TRANSACTION_REG_CNT__SHIFT) & HDMI_I2C_TRANSACTION_REG_CNT__MASK; +} + +#define REG_HDMI_DDC_DATA 0x00000238 +#define HDMI_DDC_DATA_DATA_RW__MASK 0x00000001 +#define HDMI_DDC_DATA_DATA_RW__SHIFT 0 +static inline uint32_t HDMI_DDC_DATA_DATA_RW(enum hdmi_ddc_read_write val) +{ + return ((val) << HDMI_DDC_DATA_DATA_RW__SHIFT) & HDMI_DDC_DATA_DATA_RW__MASK; +} +#define HDMI_DDC_DATA_DATA__MASK 0x0000ff00 +#define HDMI_DDC_DATA_DATA__SHIFT 8 +static inline uint32_t HDMI_DDC_DATA_DATA(uint32_t val) +{ + return ((val) << HDMI_DDC_DATA_DATA__SHIFT) & HDMI_DDC_DATA_DATA__MASK; +} +#define HDMI_DDC_DATA_INDEX__MASK 0x00ff0000 +#define HDMI_DDC_DATA_INDEX__SHIFT 16 +static inline uint32_t HDMI_DDC_DATA_INDEX(uint32_t val) +{ + return ((val) << HDMI_DDC_DATA_INDEX__SHIFT) & HDMI_DDC_DATA_INDEX__MASK; +} +#define HDMI_DDC_DATA_INDEX_WRITE 0x80000000 + +#define REG_HDMI_HPD_INT_STATUS 0x00000250 +#define HDMI_HPD_INT_STATUS_INT 0x00000001 +#define HDMI_HPD_INT_STATUS_CABLE_DETECTED 0x00000002 + +#define REG_HDMI_HPD_INT_CTRL 0x00000254 +#define HDMI_HPD_INT_CTRL_INT_ACK 0x00000001 +#define HDMI_HPD_INT_CTRL_INT_CONNECT 0x00000002 +#define HDMI_HPD_INT_CTRL_INT_EN 0x00000004 +#define HDMI_HPD_INT_CTRL_RX_INT_ACK 0x00000010 +#define HDMI_HPD_INT_CTRL_RX_INT_EN 0x00000020 +#define HDMI_HPD_INT_CTRL_RCV_PLUGIN_DET_MASK 0x00000200 + +#define REG_HDMI_HPD_CTRL 0x00000258 +#define HDMI_HPD_CTRL_TIMEOUT__MASK 0x00001fff +#define HDMI_HPD_CTRL_TIMEOUT__SHIFT 0 +static inline uint32_t HDMI_HPD_CTRL_TIMEOUT(uint32_t val) +{ + return ((val) << HDMI_HPD_CTRL_TIMEOUT__SHIFT) & HDMI_HPD_CTRL_TIMEOUT__MASK; +} +#define HDMI_HPD_CTRL_ENABLE 0x10000000 + +#define REG_HDMI_DDC_REF 0x0000027c +#define HDMI_DDC_REF_REFTIMER_ENABLE 0x00010000 +#define HDMI_DDC_REF_REFTIMER__MASK 0x0000ffff +#define HDMI_DDC_REF_REFTIMER__SHIFT 0 +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_ACTIVE_HSYNC 0x000002b4 +#define HDMI_ACTIVE_HSYNC_START__MASK 0x00000fff +#define HDMI_ACTIVE_HSYNC_START__SHIFT 0 +static inline uint32_t HDMI_ACTIVE_HSYNC_START(uint32_t val) +{ + return ((val) << HDMI_ACTIVE_HSYNC_START__SHIFT) & HDMI_ACTIVE_HSYNC_START__MASK; +} +#define HDMI_ACTIVE_HSYNC_END__MASK 0x0fff0000 +#define HDMI_ACTIVE_HSYNC_END__SHIFT 16 +static inline uint32_t HDMI_ACTIVE_HSYNC_END(uint32_t val) +{ + return ((val) << HDMI_ACTIVE_HSYNC_END__SHIFT) & HDMI_ACTIVE_HSYNC_END__MASK; +} + +#define REG_HDMI_ACTIVE_VSYNC 0x000002b8 +#define HDMI_ACTIVE_VSYNC_START__MASK 0x00000fff +#define HDMI_ACTIVE_VSYNC_START__SHIFT 0 +static inline uint32_t HDMI_ACTIVE_VSYNC_START(uint32_t val) +{ + return ((val) << HDMI_ACTIVE_VSYNC_START__SHIFT) & HDMI_ACTIVE_VSYNC_START__MASK; +} +#define HDMI_ACTIVE_VSYNC_END__MASK 0x0fff0000 +#define HDMI_ACTIVE_VSYNC_END__SHIFT 16 +static inline uint32_t HDMI_ACTIVE_VSYNC_END(uint32_t val) +{ + return ((val) << HDMI_ACTIVE_VSYNC_END__SHIFT) & HDMI_ACTIVE_VSYNC_END__MASK; +} + +#define REG_HDMI_VSYNC_ACTIVE_F2 0x000002bc +#define HDMI_VSYNC_ACTIVE_F2_START__MASK 0x00000fff +#define HDMI_VSYNC_ACTIVE_F2_START__SHIFT 0 +static inline uint32_t HDMI_VSYNC_ACTIVE_F2_START(uint32_t val) +{ + return ((val) << HDMI_VSYNC_ACTIVE_F2_START__SHIFT) & HDMI_VSYNC_ACTIVE_F2_START__MASK; +} +#define HDMI_VSYNC_ACTIVE_F2_END__MASK 0x0fff0000 +#define HDMI_VSYNC_ACTIVE_F2_END__SHIFT 16 +static inline uint32_t HDMI_VSYNC_ACTIVE_F2_END(uint32_t val) +{ + return ((val) << HDMI_VSYNC_ACTIVE_F2_END__SHIFT) & HDMI_VSYNC_ACTIVE_F2_END__MASK; +} + +#define REG_HDMI_TOTAL 0x000002c0 +#define HDMI_TOTAL_H_TOTAL__MASK 0x00000fff +#define HDMI_TOTAL_H_TOTAL__SHIFT 0 +static inline uint32_t HDMI_TOTAL_H_TOTAL(uint32_t val) +{ + return ((val) << HDMI_TOTAL_H_TOTAL__SHIFT) & HDMI_TOTAL_H_TOTAL__MASK; +} +#define HDMI_TOTAL_V_TOTAL__MASK 0x0fff0000 +#define HDMI_TOTAL_V_TOTAL__SHIFT 16 +static inline uint32_t HDMI_TOTAL_V_TOTAL(uint32_t val) +{ + return ((val) << HDMI_TOTAL_V_TOTAL__SHIFT) & HDMI_TOTAL_V_TOTAL__MASK; +} + +#define REG_HDMI_VSYNC_TOTAL_F2 0x000002c4 +#define HDMI_VSYNC_TOTAL_F2_V_TOTAL__MASK 0x00000fff +#define HDMI_VSYNC_TOTAL_F2_V_TOTAL__SHIFT 0 +static inline uint32_t HDMI_VSYNC_TOTAL_F2_V_TOTAL(uint32_t val) +{ + return ((val) << HDMI_VSYNC_TOTAL_F2_V_TOTAL__SHIFT) & HDMI_VSYNC_TOTAL_F2_V_TOTAL__MASK; +} + +#define REG_HDMI_FRAME_CTRL 0x000002c8 +#define HDMI_FRAME_CTRL_RGB_MUX_SEL_BGR 0x00001000 +#define HDMI_FRAME_CTRL_VSYNC_LOW 0x10000000 +#define HDMI_FRAME_CTRL_HSYNC_LOW 0x20000000 +#define HDMI_FRAME_CTRL_INTERLACED_EN 0x80000000 + +#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_8x60_PHY_REG0 0x00000300 +#define HDMI_8x60_PHY_REG0_DESER_DEL_CTRL__MASK 0x0000001c +#define HDMI_8x60_PHY_REG0_DESER_DEL_CTRL__SHIFT 2 +static inline uint32_t HDMI_8x60_PHY_REG0_DESER_DEL_CTRL(uint32_t val) +{ + return ((val) << HDMI_8x60_PHY_REG0_DESER_DEL_CTRL__SHIFT) & HDMI_8x60_PHY_REG0_DESER_DEL_CTRL__MASK; +} + +#define REG_HDMI_8x60_PHY_REG1 0x00000304 +#define HDMI_8x60_PHY_REG1_DTEST_MUX_SEL__MASK 0x000000f0 +#define HDMI_8x60_PHY_REG1_DTEST_MUX_SEL__SHIFT 4 +static inline uint32_t HDMI_8x60_PHY_REG1_DTEST_MUX_SEL(uint32_t val) +{ + return ((val) << HDMI_8x60_PHY_REG1_DTEST_MUX_SEL__SHIFT) & HDMI_8x60_PHY_REG1_DTEST_MUX_SEL__MASK; +} +#define HDMI_8x60_PHY_REG1_OUTVOL_SWING_CTRL__MASK 0x0000000f +#define HDMI_8x60_PHY_REG1_OUTVOL_SWING_CTRL__SHIFT 0 +static inline uint32_t HDMI_8x60_PHY_REG1_OUTVOL_SWING_CTRL(uint32_t val) +{ + return ((val) << HDMI_8x60_PHY_REG1_OUTVOL_SWING_CTRL__SHIFT) & HDMI_8x60_PHY_REG1_OUTVOL_SWING_CTRL__MASK; +} + +#define REG_HDMI_8x60_PHY_REG2 0x00000308 +#define HDMI_8x60_PHY_REG2_PD_DESER 0x00000001 +#define HDMI_8x60_PHY_REG2_PD_DRIVE_1 0x00000002 +#define HDMI_8x60_PHY_REG2_PD_DRIVE_2 0x00000004 +#define HDMI_8x60_PHY_REG2_PD_DRIVE_3 0x00000008 +#define HDMI_8x60_PHY_REG2_PD_DRIVE_4 0x00000010 +#define HDMI_8x60_PHY_REG2_PD_PLL 0x00000020 +#define HDMI_8x60_PHY_REG2_PD_PWRGEN 0x00000040 +#define HDMI_8x60_PHY_REG2_RCV_SENSE_EN 0x00000080 + +#define REG_HDMI_8x60_PHY_REG3 0x0000030c +#define HDMI_8x60_PHY_REG3_PLL_ENABLE 0x00000001 + +#define REG_HDMI_8x60_PHY_REG4 0x00000310 + +#define REG_HDMI_8x60_PHY_REG5 0x00000314 + +#define REG_HDMI_8x60_PHY_REG6 0x00000318 + +#define REG_HDMI_8x60_PHY_REG7 0x0000031c + +#define REG_HDMI_8x60_PHY_REG8 0x00000320 + +#define REG_HDMI_8x60_PHY_REG9 0x00000324 + +#define REG_HDMI_8x60_PHY_REG10 0x00000328 + +#define REG_HDMI_8x60_PHY_REG11 0x0000032c + +#define REG_HDMI_8x60_PHY_REG12 0x00000330 +#define HDMI_8x60_PHY_REG12_RETIMING_EN 0x00000001 +#define HDMI_8x60_PHY_REG12_PLL_LOCK_DETECT_EN 0x00000002 +#define HDMI_8x60_PHY_REG12_FORCE_LOCK 0x00000010 + +#define REG_HDMI_8960_PHY_REG0 0x00000400 + +#define REG_HDMI_8960_PHY_REG1 0x00000404 + +#define REG_HDMI_8960_PHY_REG2 0x00000408 + +#define REG_HDMI_8960_PHY_REG3 0x0000040c + +#define REG_HDMI_8960_PHY_REG4 0x00000410 + +#define REG_HDMI_8960_PHY_REG5 0x00000414 + +#define REG_HDMI_8960_PHY_REG6 0x00000418 + +#define REG_HDMI_8960_PHY_REG7 0x0000041c + +#define REG_HDMI_8960_PHY_REG8 0x00000420 + +#define REG_HDMI_8960_PHY_REG9 0x00000424 + +#define REG_HDMI_8960_PHY_REG10 0x00000428 + +#define REG_HDMI_8960_PHY_REG11 0x0000042c + +#define REG_HDMI_8960_PHY_REG12 0x00000430 + + +#endif /* HDMI_XML */ diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c new file mode 100644 index 00000000000..5a8ee3473cf --- /dev/null +++ b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c @@ -0,0 +1,167 @@ +/* + * 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_bridge { + struct drm_bridge base; + + struct hdmi *hdmi; + + unsigned long int pixclock; +}; +#define to_hdmi_bridge(x) container_of(x, struct hdmi_bridge, base) + +static void hdmi_bridge_destroy(struct drm_bridge *bridge) +{ + struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge); + hdmi_unreference(hdmi_bridge->hdmi); + drm_bridge_cleanup(bridge); + kfree(hdmi_bridge); +} + +static void hdmi_bridge_pre_enable(struct drm_bridge *bridge) +{ + struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge); + struct hdmi *hdmi = hdmi_bridge->hdmi; + struct hdmi_phy *phy = hdmi->phy; + + DBG("power up"); + phy->funcs->powerup(phy, hdmi_bridge->pixclock); + hdmi_set_mode(hdmi, true); +} + +static void hdmi_bridge_enable(struct drm_bridge *bridge) +{ +} + +static void hdmi_bridge_disable(struct drm_bridge *bridge) +{ +} + +static void hdmi_bridge_post_disable(struct drm_bridge *bridge) +{ + struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge); + struct hdmi *hdmi = hdmi_bridge->hdmi; + struct hdmi_phy *phy = hdmi->phy; + + DBG("power down"); + hdmi_set_mode(hdmi, false); + phy->funcs->powerdown(phy); +} + +static void hdmi_bridge_mode_set(struct drm_bridge *bridge, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge); + struct hdmi *hdmi = hdmi_bridge->hdmi; + int hstart, hend, vstart, vend; + uint32_t frame_ctrl; + + mode = adjusted_mode; + + hdmi_bridge->pixclock = mode->clock * 1000; + + hdmi->hdmi_mode = drm_match_cea_mode(mode) > 1; + + hstart = mode->htotal - mode->hsync_start; + hend = mode->htotal - mode->hsync_start + mode->hdisplay; + + vstart = mode->vtotal - mode->vsync_start - 1; + vend = mode->vtotal - mode->vsync_start + mode->vdisplay - 1; + + DBG("htotal=%d, vtotal=%d, hstart=%d, hend=%d, vstart=%d, vend=%d", + mode->htotal, mode->vtotal, hstart, hend, vstart, vend); + + hdmi_write(hdmi, REG_HDMI_TOTAL, + HDMI_TOTAL_H_TOTAL(mode->htotal - 1) | + HDMI_TOTAL_V_TOTAL(mode->vtotal - 1)); + + hdmi_write(hdmi, REG_HDMI_ACTIVE_HSYNC, + HDMI_ACTIVE_HSYNC_START(hstart) | + HDMI_ACTIVE_HSYNC_END(hend)); + hdmi_write(hdmi, REG_HDMI_ACTIVE_VSYNC, + HDMI_ACTIVE_VSYNC_START(vstart) | + HDMI_ACTIVE_VSYNC_END(vend)); + + if (mode->flags & DRM_MODE_FLAG_INTERLACE) { + hdmi_write(hdmi, REG_HDMI_VSYNC_TOTAL_F2, + HDMI_VSYNC_TOTAL_F2_V_TOTAL(mode->vtotal)); + hdmi_write(hdmi, REG_HDMI_VSYNC_ACTIVE_F2, + HDMI_VSYNC_ACTIVE_F2_START(vstart + 1) | + HDMI_VSYNC_ACTIVE_F2_END(vend + 1)); + } else { + hdmi_write(hdmi, REG_HDMI_VSYNC_TOTAL_F2, + HDMI_VSYNC_TOTAL_F2_V_TOTAL(0)); + hdmi_write(hdmi, REG_HDMI_VSYNC_ACTIVE_F2, + HDMI_VSYNC_ACTIVE_F2_START(0) | + HDMI_VSYNC_ACTIVE_F2_END(0)); + } + + frame_ctrl = 0; + if (mode->flags & DRM_MODE_FLAG_NHSYNC) + frame_ctrl |= HDMI_FRAME_CTRL_HSYNC_LOW; + if (mode->flags & DRM_MODE_FLAG_NVSYNC) + frame_ctrl |= HDMI_FRAME_CTRL_VSYNC_LOW; + if (mode->flags & DRM_MODE_FLAG_INTERLACE) + frame_ctrl |= HDMI_FRAME_CTRL_INTERLACED_EN; + 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); +} + +static const struct drm_bridge_funcs hdmi_bridge_funcs = { + .pre_enable = hdmi_bridge_pre_enable, + .enable = hdmi_bridge_enable, + .disable = hdmi_bridge_disable, + .post_disable = hdmi_bridge_post_disable, + .mode_set = hdmi_bridge_mode_set, + .destroy = hdmi_bridge_destroy, +}; + + +/* initialize bridge */ +struct drm_bridge *hdmi_bridge_init(struct hdmi *hdmi) +{ + struct drm_bridge *bridge = NULL; + struct hdmi_bridge *hdmi_bridge; + int ret; + + hdmi_bridge = kzalloc(sizeof(*hdmi_bridge), GFP_KERNEL); + if (!hdmi_bridge) { + ret = -ENOMEM; + goto fail; + } + + hdmi_bridge->hdmi = hdmi_reference(hdmi); + + bridge = &hdmi_bridge->base; + + drm_bridge_init(hdmi->dev, bridge, &hdmi_bridge_funcs); + + return bridge; + +fail: + if (bridge) + hdmi_bridge_destroy(bridge); + + return ERR_PTR(ret); +} diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c new file mode 100644 index 00000000000..823eee521a3 --- /dev/null +++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c @@ -0,0 +1,367 @@ +/* + * 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/gpio.h> + +#include "hdmi.h" + +struct hdmi_connector { + struct drm_connector base; + struct hdmi *hdmi; +}; +#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; + int ret; + + if (on) { + ret = gpio_request(config->ddc_clk_gpio, "HDMI_DDC_CLK"); + if (ret) { + dev_err(dev->dev, "'%s'(%d) gpio_request failed: %d\n", + "HDMI_DDC_CLK", config->ddc_clk_gpio, ret); + goto error1; + } + 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; + } + 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"); + if (ret) { + dev_err(dev->dev, "'%s'(%d) gpio_request failed: %d\n", + "PMIC_HDMI_MUX_SEL", config->pmic_gpio, ret); + goto error4; + } + gpio_set_value_cansleep(config->pmic_gpio, 0); + } + DBG("gpio on"); + } else { + gpio_free(config->ddc_clk_gpio); + 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); + } + DBG("gpio off"); + } + + return 0; + +error4: + gpio_free(config->hpd_gpio); +error3: + gpio_free(config->ddc_data_gpio); +error2: + gpio_free(config->ddc_clk_gpio); +error1: + return ret; +} + +static int hpd_enable(struct hdmi_connector *hdmi_connector) +{ + struct hdmi *hdmi = hdmi_connector->hdmi; + struct drm_device *dev = hdmi_connector->base.dev; + struct hdmi_phy *phy = hdmi->phy; + uint32_t hpd_ctrl; + int ret; + + ret = gpio_config(hdmi, true); + if (ret) { + dev_err(dev->dev, "failed to configure GPIOs: %d\n", ret); + 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; + } + + ret = clk_prepare_enable(hdmi->s_pclk); + if (ret) { + dev_err(dev->dev, "failed to enable 's_pclk': %d\n", 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; + } + + hdmi_set_mode(hdmi, false); + phy->funcs->reset(phy); + hdmi_set_mode(hdmi, true); + + hdmi_write(hdmi, REG_HDMI_USEC_REFTIMER, 0x0001001b); + + /* enable HPD events: */ + hdmi_write(hdmi, REG_HDMI_HPD_INT_CTRL, + HDMI_HPD_INT_CTRL_INT_CONNECT | + HDMI_HPD_INT_CTRL_INT_EN); + + /* set timeout to 4.1ms (max) for hardware debounce */ + hpd_ctrl = hdmi_read(hdmi, REG_HDMI_HPD_CTRL); + hpd_ctrl |= HDMI_HPD_CTRL_TIMEOUT(0x1fff); + + /* Toggle HPD circuit to trigger HPD sense */ + hdmi_write(hdmi, REG_HDMI_HPD_CTRL, + ~HDMI_HPD_CTRL_ENABLE & hpd_ctrl); + hdmi_write(hdmi, REG_HDMI_HPD_CTRL, + HDMI_HPD_CTRL_ENABLE | hpd_ctrl); + + return 0; + +fail: + return ret; +} + +static int hdp_disable(struct hdmi_connector *hdmi_connector) +{ + struct hdmi *hdmi = hdmi_connector->hdmi; + struct drm_device *dev = hdmi_connector->base.dev; + int 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; + } + + clk_disable_unprepare(hdmi->clk); + clk_disable_unprepare(hdmi->m_pclk); + clk_disable_unprepare(hdmi->s_pclk); + + ret = gpio_config(hdmi, false); + if (ret) { + dev_err(dev->dev, "failed to unconfigure GPIOs: %d\n", ret); + goto fail; + } + + return 0; + +fail: + return ret; +} + +void hdmi_connector_irq(struct drm_connector *connector) +{ + struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector); + struct hdmi *hdmi = hdmi_connector->hdmi; + uint32_t hpd_int_status, hpd_int_ctrl; + + /* Process HPD: */ + hpd_int_status = hdmi_read(hdmi, REG_HDMI_HPD_INT_STATUS); + hpd_int_ctrl = hdmi_read(hdmi, REG_HDMI_HPD_INT_CTRL); + + if ((hpd_int_ctrl & HDMI_HPD_INT_CTRL_INT_EN) && + (hpd_int_status & HDMI_HPD_INT_STATUS_INT)) { + bool detected = !!(hpd_int_status & HDMI_HPD_INT_STATUS_CABLE_DETECTED); + + DBG("status=%04x, ctrl=%04x", hpd_int_status, hpd_int_ctrl); + + /* ack the irq: */ + 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); + } +} + +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; + int retry = 20; + + hpd_int_status = hdmi_read(hdmi, REG_HDMI_HPD_INT_STATUS); + + /* 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); + } + + return (hpd_int_status & HDMI_HPD_INT_STATUS_CABLE_DETECTED) ? + connector_status_connected : connector_status_disconnected; +} + +static void hdmi_connector_destroy(struct drm_connector *connector) +{ + struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector); + + hdp_disable(hdmi_connector); + + drm_sysfs_connector_remove(connector); + drm_connector_cleanup(connector); + + hdmi_unreference(hdmi_connector->hdmi); + + kfree(hdmi_connector); +} + +static int hdmi_connector_get_modes(struct drm_connector *connector) +{ + struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector); + struct hdmi *hdmi = hdmi_connector->hdmi; + struct edid *edid; + uint32_t hdmi_ctrl; + int ret = 0; + + hdmi_ctrl = hdmi_read(hdmi, REG_HDMI_CTRL); + hdmi_write(hdmi, REG_HDMI_CTRL, hdmi_ctrl | HDMI_CTRL_ENABLE); + + edid = drm_get_edid(connector, hdmi->i2c); + + hdmi_write(hdmi, REG_HDMI_CTRL, hdmi_ctrl); + + drm_mode_connector_update_edid_property(connector, edid); + + if (edid) { + ret = drm_add_edid_modes(connector, edid); + kfree(edid); + } + + return ret; +} + +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 msm_drm_private *priv = connector->dev->dev_private; + struct msm_kms *kms = priv->kms; + long actual, requested; + + requested = 1000 * mode->clock; + actual = kms->funcs->round_pixclk(kms, + requested, hdmi_connector->hdmi->encoder); + + DBG("requested=%ld, actual=%ld", requested, actual); + + if (actual != requested) + return MODE_CLOCK_RANGE; + + return 0; +} + +static struct drm_encoder * +hdmi_connector_best_encoder(struct drm_connector *connector) +{ + struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector); + return hdmi_connector->hdmi->encoder; +} + +static const struct drm_connector_funcs hdmi_connector_funcs = { + .dpms = drm_helper_connector_dpms, + .detect = hdmi_connector_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .destroy = hdmi_connector_destroy, +}; + +static const struct drm_connector_helper_funcs hdmi_connector_helper_funcs = { + .get_modes = hdmi_connector_get_modes, + .mode_valid = hdmi_connector_mode_valid, + .best_encoder = hdmi_connector_best_encoder, +}; + +/* initialize connector */ +struct drm_connector *hdmi_connector_init(struct hdmi *hdmi) +{ + struct drm_connector *connector = NULL; + struct hdmi_connector *hdmi_connector; + int ret; + + hdmi_connector = kzalloc(sizeof(*hdmi_connector), GFP_KERNEL); + if (!hdmi_connector) { + ret = -ENOMEM; + goto fail; + } + + hdmi_connector->hdmi = hdmi_reference(hdmi); + + connector = &hdmi_connector->base; + + drm_connector_init(hdmi->dev, connector, &hdmi_connector_funcs, + DRM_MODE_CONNECTOR_HDMIA); + drm_connector_helper_add(connector, &hdmi_connector_helper_funcs); + + connector->polled = DRM_CONNECTOR_POLL_HPD; + + connector->interlace_allowed = 1; + connector->doublescan_allowed = 0; + + drm_sysfs_connector_add(connector); + + ret = hpd_enable(hdmi_connector); + if (ret) { + dev_err(hdmi->dev->dev, "failed to enable HPD: %d\n", ret); + goto fail; + } + + drm_mode_connector_attach_encoder(connector, hdmi->encoder); + + return connector; + +fail: + if (connector) + hdmi_connector_destroy(connector); + + return ERR_PTR(ret); +} diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_i2c.c b/drivers/gpu/drm/msm/hdmi/hdmi_i2c.c new file mode 100644 index 00000000000..f4ab7f70fed --- /dev/null +++ b/drivers/gpu/drm/msm/hdmi/hdmi_i2c.c @@ -0,0 +1,281 @@ +/* + * 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_i2c_adapter { + struct i2c_adapter base; + struct hdmi *hdmi; + bool sw_done; + wait_queue_head_t ddc_event; +}; +#define to_hdmi_i2c_adapter(x) container_of(x, struct hdmi_i2c_adapter, base) + +static void init_ddc(struct hdmi_i2c_adapter *hdmi_i2c) +{ + struct hdmi *hdmi = hdmi_i2c->hdmi; + + hdmi_write(hdmi, REG_HDMI_DDC_CTRL, + HDMI_DDC_CTRL_SW_STATUS_RESET); + hdmi_write(hdmi, REG_HDMI_DDC_CTRL, + HDMI_DDC_CTRL_SOFT_RESET); + + hdmi_write(hdmi, REG_HDMI_DDC_SPEED, + HDMI_DDC_SPEED_THRESHOLD(2) | + HDMI_DDC_SPEED_PRESCALE(10)); + + hdmi_write(hdmi, REG_HDMI_DDC_SETUP, + HDMI_DDC_SETUP_TIMEOUT(0xff)); + + /* enable reference timer for 27us */ + hdmi_write(hdmi, REG_HDMI_DDC_REF, + HDMI_DDC_REF_REFTIMER_ENABLE | + HDMI_DDC_REF_REFTIMER(27)); +} + +static int ddc_clear_irq(struct hdmi_i2c_adapter *hdmi_i2c) +{ + struct hdmi *hdmi = hdmi_i2c->hdmi; + struct drm_device *dev = hdmi->dev; + uint32_t retry = 0xffff; + uint32_t ddc_int_ctrl; + + do { + --retry; + + hdmi_write(hdmi, REG_HDMI_DDC_INT_CTRL, + HDMI_DDC_INT_CTRL_SW_DONE_ACK | + HDMI_DDC_INT_CTRL_SW_DONE_MASK); + + ddc_int_ctrl = hdmi_read(hdmi, REG_HDMI_DDC_INT_CTRL); + + } while ((ddc_int_ctrl & HDMI_DDC_INT_CTRL_SW_DONE_INT) && retry); + + if (!retry) { + dev_err(dev->dev, "timeout waiting for DDC\n"); + return -ETIMEDOUT; + } + + hdmi_i2c->sw_done = false; + + return 0; +} + +#define MAX_TRANSACTIONS 4 + +static bool sw_done(struct hdmi_i2c_adapter *hdmi_i2c) +{ + struct hdmi *hdmi = hdmi_i2c->hdmi; + + if (!hdmi_i2c->sw_done) { + uint32_t ddc_int_ctrl; + + ddc_int_ctrl = hdmi_read(hdmi, REG_HDMI_DDC_INT_CTRL); + + if ((ddc_int_ctrl & HDMI_DDC_INT_CTRL_SW_DONE_MASK) && + (ddc_int_ctrl & HDMI_DDC_INT_CTRL_SW_DONE_INT)) { + hdmi_i2c->sw_done = true; + hdmi_write(hdmi, REG_HDMI_DDC_INT_CTRL, + HDMI_DDC_INT_CTRL_SW_DONE_ACK); + } + } + + return hdmi_i2c->sw_done; +} + +static int hdmi_i2c_xfer(struct i2c_adapter *i2c, + struct i2c_msg *msgs, int num) +{ + struct hdmi_i2c_adapter *hdmi_i2c = to_hdmi_i2c_adapter(i2c); + struct hdmi *hdmi = hdmi_i2c->hdmi; + struct drm_device *dev = hdmi->dev; + static const uint32_t nack[] = { + HDMI_DDC_SW_STATUS_NACK0, HDMI_DDC_SW_STATUS_NACK1, + HDMI_DDC_SW_STATUS_NACK2, HDMI_DDC_SW_STATUS_NACK3, + }; + int indices[MAX_TRANSACTIONS]; + int ret, i, j, index = 0; + uint32_t ddc_status, ddc_data, i2c_trans; + + num = min(num, MAX_TRANSACTIONS); + + WARN_ON(!(hdmi_read(hdmi, REG_HDMI_CTRL) & HDMI_CTRL_ENABLE)); + + if (num == 0) + return num; + + init_ddc(hdmi_i2c); + + ret = ddc_clear_irq(hdmi_i2c); + if (ret) + return ret; + + for (i = 0; i < num; i++) { + struct i2c_msg *p = &msgs[i]; + uint32_t raw_addr = p->addr << 1; + + if (p->flags & I2C_M_RD) + raw_addr |= 1; + + ddc_data = HDMI_DDC_DATA_DATA(raw_addr) | + HDMI_DDC_DATA_DATA_RW(DDC_WRITE); + + if (i == 0) { + ddc_data |= HDMI_DDC_DATA_INDEX(0) | + HDMI_DDC_DATA_INDEX_WRITE; + } + + hdmi_write(hdmi, REG_HDMI_DDC_DATA, ddc_data); + index++; + + indices[i] = index; + + if (p->flags & I2C_M_RD) { + index += p->len; + } else { + for (j = 0; j < p->len; j++) { + ddc_data = HDMI_DDC_DATA_DATA(p->buf[j]) | + HDMI_DDC_DATA_DATA_RW(DDC_WRITE); + hdmi_write(hdmi, REG_HDMI_DDC_DATA, ddc_data); + index++; + } + } + + i2c_trans = HDMI_I2C_TRANSACTION_REG_CNT(p->len) | + HDMI_I2C_TRANSACTION_REG_RW( + (p->flags & I2C_M_RD) ? DDC_READ : DDC_WRITE) | + HDMI_I2C_TRANSACTION_REG_START; + + if (i == (num - 1)) + i2c_trans |= HDMI_I2C_TRANSACTION_REG_STOP; + + hdmi_write(hdmi, REG_HDMI_I2C_TRANSACTION(i), i2c_trans); + } + + /* trigger the transfer: */ + hdmi_write(hdmi, REG_HDMI_DDC_CTRL, + HDMI_DDC_CTRL_TRANSACTION_CNT(num - 1) | + HDMI_DDC_CTRL_GO); + + ret = wait_event_timeout(hdmi_i2c->ddc_event, sw_done(hdmi_i2c), HZ/4); + if (ret <= 0) { + if (ret == 0) + ret = -ETIMEDOUT; + dev_warn(dev->dev, "DDC timeout: %d\n", ret); + DBG("sw_status=%08x, hw_status=%08x, int_ctrl=%08x", + hdmi_read(hdmi, REG_HDMI_DDC_SW_STATUS), + hdmi_read(hdmi, REG_HDMI_DDC_HW_STATUS), + hdmi_read(hdmi, REG_HDMI_DDC_INT_CTRL)); + return ret; + } + + ddc_status = hdmi_read(hdmi, REG_HDMI_DDC_SW_STATUS); + + /* read back results of any read transactions: */ + for (i = 0; i < num; i++) { + struct i2c_msg *p = &msgs[i]; + + if (!(p->flags & I2C_M_RD)) + continue; + + /* check for NACK: */ + if (ddc_status & nack[i]) { + DBG("ddc_status=%08x", ddc_status); + break; + } + + ddc_data = HDMI_DDC_DATA_DATA_RW(DDC_READ) | + HDMI_DDC_DATA_INDEX(indices[i]) | + HDMI_DDC_DATA_INDEX_WRITE; + + hdmi_write(hdmi, REG_HDMI_DDC_DATA, ddc_data); + + /* discard first byte: */ + hdmi_read(hdmi, REG_HDMI_DDC_DATA); + + for (j = 0; j < p->len; j++) { + ddc_data = hdmi_read(hdmi, REG_HDMI_DDC_DATA); + p->buf[j] = FIELD(ddc_data, HDMI_DDC_DATA_DATA); + } + } + + return i; +} + +static u32 hdmi_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; +} + +static const struct i2c_algorithm hdmi_i2c_algorithm = { + .master_xfer = hdmi_i2c_xfer, + .functionality = hdmi_i2c_func, +}; + +void hdmi_i2c_irq(struct i2c_adapter *i2c) +{ + struct hdmi_i2c_adapter *hdmi_i2c = to_hdmi_i2c_adapter(i2c); + + if (sw_done(hdmi_i2c)) + wake_up_all(&hdmi_i2c->ddc_event); +} + +void hdmi_i2c_destroy(struct i2c_adapter *i2c) +{ + struct hdmi_i2c_adapter *hdmi_i2c = to_hdmi_i2c_adapter(i2c); + i2c_del_adapter(i2c); + kfree(hdmi_i2c); +} + +struct i2c_adapter *hdmi_i2c_init(struct hdmi *hdmi) +{ + struct drm_device *dev = hdmi->dev; + struct hdmi_i2c_adapter *hdmi_i2c; + struct i2c_adapter *i2c = NULL; + int ret; + + hdmi_i2c = kzalloc(sizeof(*hdmi_i2c), GFP_KERNEL); + if (!hdmi_i2c) { + ret = -ENOMEM; + goto fail; + } + + i2c = &hdmi_i2c->base; + + hdmi_i2c->hdmi = hdmi; + init_waitqueue_head(&hdmi_i2c->ddc_event); + + + i2c->owner = THIS_MODULE; + i2c->class = I2C_CLASS_DDC; + snprintf(i2c->name, sizeof(i2c->name), "msm hdmi i2c"); + i2c->dev.parent = &hdmi->pdev->dev; + i2c->algo = &hdmi_i2c_algorithm; + + ret = i2c_add_adapter(i2c); + if (ret) { + dev_err(dev->dev, "failed to register hdmi i2c: %d\n", ret); + goto fail; + } + + return i2c; + +fail: + if (i2c) + hdmi_i2c_destroy(i2c); + return ERR_PTR(ret); +} diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8960.c b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8960.c new file mode 100644 index 00000000000..e5b7ed5b8f0 --- /dev/null +++ b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8960.c @@ -0,0 +1,141 @@ +/* + * 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_8960 { + struct hdmi_phy base; + struct hdmi *hdmi; +}; +#define to_hdmi_phy_8960(x) container_of(x, struct hdmi_phy_8960, base) + +static void hdmi_phy_8960_destroy(struct hdmi_phy *phy) +{ + struct hdmi_phy_8960 *phy_8960 = to_hdmi_phy_8960(phy); + kfree(phy_8960); +} + +static void hdmi_phy_8960_reset(struct hdmi_phy *phy) +{ + struct hdmi_phy_8960 *phy_8960 = to_hdmi_phy_8960(phy); + struct hdmi *hdmi = phy_8960->hdmi; + unsigned int val; + + 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_8960_powerup(struct hdmi_phy *phy, + unsigned long int pixclock) +{ + struct hdmi_phy_8960 *phy_8960 = to_hdmi_phy_8960(phy); + struct hdmi *hdmi = phy_8960->hdmi; + + hdmi_write(hdmi, REG_HDMI_8960_PHY_REG0, 0x1b); + hdmi_write(hdmi, REG_HDMI_8960_PHY_REG1, 0xf2); + hdmi_write(hdmi, REG_HDMI_8960_PHY_REG4, 0x00); + hdmi_write(hdmi, REG_HDMI_8960_PHY_REG5, 0x00); + hdmi_write(hdmi, REG_HDMI_8960_PHY_REG6, 0x00); + hdmi_write(hdmi, REG_HDMI_8960_PHY_REG7, 0x00); + hdmi_write(hdmi, REG_HDMI_8960_PHY_REG8, 0x00); + hdmi_write(hdmi, REG_HDMI_8960_PHY_REG9, 0x00); + hdmi_write(hdmi, REG_HDMI_8960_PHY_REG10, 0x00); + hdmi_write(hdmi, REG_HDMI_8960_PHY_REG11, 0x00); + hdmi_write(hdmi, REG_HDMI_8960_PHY_REG3, 0x20); +} + +static void hdmi_phy_8960_powerdown(struct hdmi_phy *phy) +{ + struct hdmi_phy_8960 *phy_8960 = to_hdmi_phy_8960(phy); + struct hdmi *hdmi = phy_8960->hdmi; + + hdmi_write(hdmi, REG_HDMI_8960_PHY_REG2, 0x7f); +} + +static const struct hdmi_phy_funcs hdmi_phy_8960_funcs = { + .destroy = hdmi_phy_8960_destroy, + .reset = hdmi_phy_8960_reset, + .powerup = hdmi_phy_8960_powerup, + .powerdown = hdmi_phy_8960_powerdown, +}; + +struct hdmi_phy *hdmi_phy_8960_init(struct hdmi *hdmi) +{ + struct hdmi_phy_8960 *phy_8960; + struct hdmi_phy *phy = NULL; + int ret; + + phy_8960 = kzalloc(sizeof(*phy_8960), GFP_KERNEL); + if (!phy_8960) { + ret = -ENOMEM; + goto fail; + } + + phy = &phy_8960->base; + + phy->funcs = &hdmi_phy_8960_funcs; + + phy_8960->hdmi = hdmi; + + return phy; + +fail: + if (phy) + hdmi_phy_8960_destroy(phy); + return ERR_PTR(ret); +} diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8x60.c b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8x60.c new file mode 100644 index 00000000000..391433c1af7 --- /dev/null +++ b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8x60.c @@ -0,0 +1,214 @@ +/* + * 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_8x60 { + struct hdmi_phy base; + struct hdmi *hdmi; +}; +#define to_hdmi_phy_8x60(x) container_of(x, struct hdmi_phy_8x60, base) + +static void hdmi_phy_8x60_destroy(struct hdmi_phy *phy) +{ + struct hdmi_phy_8x60 *phy_8x60 = to_hdmi_phy_8x60(phy); + kfree(phy_8x60); +} + +static void hdmi_phy_8x60_reset(struct hdmi_phy *phy) +{ + struct hdmi_phy_8x60 *phy_8x60 = to_hdmi_phy_8x60(phy); + struct hdmi *hdmi = phy_8x60->hdmi; + unsigned int val; + + 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); + } + + 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); + } +} + +static void hdmi_phy_8x60_powerup(struct hdmi_phy *phy, + unsigned long int pixclock) +{ + struct hdmi_phy_8x60 *phy_8x60 = to_hdmi_phy_8x60(phy); + struct hdmi *hdmi = phy_8x60->hdmi; + + /* De-serializer delay D/C for non-lbk mode: */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG0, + HDMI_8x60_PHY_REG0_DESER_DEL_CTRL(3)); + + if (pixclock == 27000000) { + /* video_format == HDMI_VFRMT_720x480p60_16_9 */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG1, + HDMI_8x60_PHY_REG1_DTEST_MUX_SEL(5) | + HDMI_8x60_PHY_REG1_OUTVOL_SWING_CTRL(3)); + } else { + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG1, + HDMI_8x60_PHY_REG1_DTEST_MUX_SEL(5) | + HDMI_8x60_PHY_REG1_OUTVOL_SWING_CTRL(4)); + } + + /* No matter what, start from the power down mode: */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG2, + HDMI_8x60_PHY_REG2_PD_PWRGEN | + HDMI_8x60_PHY_REG2_PD_PLL | + HDMI_8x60_PHY_REG2_PD_DRIVE_4 | + HDMI_8x60_PHY_REG2_PD_DRIVE_3 | + HDMI_8x60_PHY_REG2_PD_DRIVE_2 | + HDMI_8x60_PHY_REG2_PD_DRIVE_1 | + HDMI_8x60_PHY_REG2_PD_DESER); + + /* Turn PowerGen on: */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG2, + HDMI_8x60_PHY_REG2_PD_PLL | + HDMI_8x60_PHY_REG2_PD_DRIVE_4 | + HDMI_8x60_PHY_REG2_PD_DRIVE_3 | + HDMI_8x60_PHY_REG2_PD_DRIVE_2 | + HDMI_8x60_PHY_REG2_PD_DRIVE_1 | + HDMI_8x60_PHY_REG2_PD_DESER); + + /* Turn PLL power on: */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG2, + HDMI_8x60_PHY_REG2_PD_DRIVE_4 | + HDMI_8x60_PHY_REG2_PD_DRIVE_3 | + HDMI_8x60_PHY_REG2_PD_DRIVE_2 | + HDMI_8x60_PHY_REG2_PD_DRIVE_1 | + HDMI_8x60_PHY_REG2_PD_DESER); + + /* Write to HIGH after PLL power down de-assert: */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG3, + HDMI_8x60_PHY_REG3_PLL_ENABLE); + + /* ASIC power on; PHY REG9 = 0 */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG9, 0); + + /* Enable PLL lock detect, PLL lock det will go high after lock + * Enable the re-time logic + */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG12, + HDMI_8x60_PHY_REG12_RETIMING_EN | + HDMI_8x60_PHY_REG12_PLL_LOCK_DETECT_EN); + + /* Drivers are on: */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG2, + HDMI_8x60_PHY_REG2_PD_DESER); + + /* If the RX detector is needed: */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG2, + HDMI_8x60_PHY_REG2_RCV_SENSE_EN | + HDMI_8x60_PHY_REG2_PD_DESER); + + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG4, 0); + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG5, 0); + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG6, 0); + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG7, 0); + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG8, 0); + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG9, 0); + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG10, 0); + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG11, 0); + + /* If we want to use lock enable based on counting: */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG12, + HDMI_8x60_PHY_REG12_RETIMING_EN | + HDMI_8x60_PHY_REG12_PLL_LOCK_DETECT_EN | + HDMI_8x60_PHY_REG12_FORCE_LOCK); +} + +static void hdmi_phy_8x60_powerdown(struct hdmi_phy *phy) +{ + struct hdmi_phy_8x60 *phy_8x60 = to_hdmi_phy_8x60(phy); + struct hdmi *hdmi = phy_8x60->hdmi; + + /* Assert RESET PHY from controller */ + hdmi_write(hdmi, REG_HDMI_PHY_CTRL, + HDMI_PHY_CTRL_SW_RESET); + udelay(10); + /* De-assert RESET PHY from controller */ + hdmi_write(hdmi, REG_HDMI_PHY_CTRL, 0); + /* Turn off Driver */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG2, + HDMI_8x60_PHY_REG2_PD_DRIVE_4 | + HDMI_8x60_PHY_REG2_PD_DRIVE_3 | + HDMI_8x60_PHY_REG2_PD_DRIVE_2 | + HDMI_8x60_PHY_REG2_PD_DRIVE_1 | + HDMI_8x60_PHY_REG2_PD_DESER); + udelay(10); + /* Disable PLL */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG3, 0); + /* Power down PHY, but keep RX-sense: */ + hdmi_write(hdmi, REG_HDMI_8x60_PHY_REG2, + HDMI_8x60_PHY_REG2_RCV_SENSE_EN | + HDMI_8x60_PHY_REG2_PD_PWRGEN | + HDMI_8x60_PHY_REG2_PD_PLL | + HDMI_8x60_PHY_REG2_PD_DRIVE_4 | + HDMI_8x60_PHY_REG2_PD_DRIVE_3 | + HDMI_8x60_PHY_REG2_PD_DRIVE_2 | + HDMI_8x60_PHY_REG2_PD_DRIVE_1 | + HDMI_8x60_PHY_REG2_PD_DESER); +} + +static const struct hdmi_phy_funcs hdmi_phy_8x60_funcs = { + .destroy = hdmi_phy_8x60_destroy, + .reset = hdmi_phy_8x60_reset, + .powerup = hdmi_phy_8x60_powerup, + .powerdown = hdmi_phy_8x60_powerdown, +}; + +struct hdmi_phy *hdmi_phy_8x60_init(struct hdmi *hdmi) +{ + struct hdmi_phy_8x60 *phy_8x60; + struct hdmi_phy *phy = NULL; + int ret; + + phy_8x60 = kzalloc(sizeof(*phy_8x60), GFP_KERNEL); + if (!phy_8x60) { + ret = -ENOMEM; + goto fail; + } + + phy = &phy_8x60->base; + + phy->funcs = &hdmi_phy_8x60_funcs; + + phy_8x60->hdmi = hdmi; + + return phy; + +fail: + if (phy) + hdmi_phy_8x60_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 new file mode 100644 index 00000000000..bee36363bcd --- /dev/null +++ b/drivers/gpu/drm/msm/hdmi/qfprom.xml.h @@ -0,0 +1,50 @@ +#ifndef QFPROM_XML +#define QFPROM_XML + +/* Autogenerated file, DO NOT EDIT manually! + +This file was generated by the rules-ng-ng headergen tool in this git repository: +http://0x04.net/cgit/index.cgi/rules-ng-ng +git clone git://0x04.net/rules-ng-ng + +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/freedreno_copyright.xml ( 1453 bytes, from 2013-03-31 16:51:27) +- /home/robclark/src/freedreno/envytools/rnndb/mdp4/mdp4.xml ( 19332 bytes, from 2013-08-16 22:16:36) +- /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) + +Copyright (C) 2013 by the following authors: +- Rob Clark <robdclark@gmail.com> (robclark) + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice (including the +next paragraph) shall be included in all copies or substantial +portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + + +#define REG_QFPROM_CONFIG_ROW0_LSB 0x00000238 +#define QFPROM_CONFIG_ROW0_LSB_HDMI_DISABLE 0x00200000 +#define QFPROM_CONFIG_ROW0_LSB_HDCP_DISABLE 0x00400000 + + +#endif /* QFPROM_XML */ |