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![Alan](/assets/img/avatar_default.png)
Both cases produce the same result. Kill the junk code. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
1016 lines
31 KiB
C
1016 lines
31 KiB
C
/*
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* Copyright © 2010 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* jim liu <jim.liu@intel.com>
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* Jackie Li<yaodong.li@intel.com>
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*/
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#include "mdfld_dsi_dpi.h"
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#include "mdfld_output.h"
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#include "mdfld_dsi_pkg_sender.h"
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#include "psb_drv.h"
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#include "tc35876x-dsi-lvds.h"
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static void mdfld_dsi_dpi_shut_down(struct mdfld_dsi_dpi_output *output,
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int pipe);
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static void mdfld_wait_for_HS_DATA_FIFO(struct drm_device *dev, u32 pipe)
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{
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u32 gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
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int timeout = 0;
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udelay(500);
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/* This will time out after approximately 2+ seconds */
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while ((timeout < 20000) &&
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(REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_DATA_FULL)) {
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udelay(100);
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timeout++;
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}
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if (timeout == 20000)
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DRM_INFO("MIPI: HS Data FIFO was never cleared!\n");
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}
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static void mdfld_wait_for_HS_CTRL_FIFO(struct drm_device *dev, u32 pipe)
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{
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u32 gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
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int timeout = 0;
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udelay(500);
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/* This will time out after approximately 2+ seconds */
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while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg)
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& DSI_FIFO_GEN_HS_CTRL_FULL)) {
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udelay(100);
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timeout++;
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}
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if (timeout == 20000)
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DRM_INFO("MIPI: HS CMD FIFO was never cleared!\n");
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}
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static void mdfld_wait_for_DPI_CTRL_FIFO(struct drm_device *dev, u32 pipe)
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{
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u32 gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
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int timeout = 0;
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udelay(500);
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/* This will time out after approximately 2+ seconds */
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while ((timeout < 20000) && ((REG_READ(gen_fifo_stat_reg) &
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DPI_FIFO_EMPTY) != DPI_FIFO_EMPTY)) {
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udelay(100);
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timeout++;
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}
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if (timeout == 20000)
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DRM_ERROR("MIPI: DPI FIFO was never cleared\n");
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}
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static void mdfld_wait_for_SPL_PKG_SENT(struct drm_device *dev, u32 pipe)
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{
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u32 intr_stat_reg = MIPI_INTR_STAT_REG(pipe);
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int timeout = 0;
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udelay(500);
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/* This will time out after approximately 2+ seconds */
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while ((timeout < 20000) && (!(REG_READ(intr_stat_reg)
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& DSI_INTR_STATE_SPL_PKG_SENT))) {
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udelay(100);
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timeout++;
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}
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if (timeout == 20000)
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DRM_ERROR("MIPI: SPL_PKT_SENT_INTERRUPT was not sent successfully!\n");
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}
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/* For TC35876X */
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static void dsi_set_device_ready_state(struct drm_device *dev, int state,
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int pipe)
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{
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REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), !!state, 0, 0);
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}
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static void dsi_set_pipe_plane_enable_state(struct drm_device *dev,
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int state, int pipe)
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{
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struct drm_psb_private *dev_priv = dev->dev_private;
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u32 pipeconf_reg = PIPEACONF;
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u32 dspcntr_reg = DSPACNTR;
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u32 dspcntr = dev_priv->dspcntr[pipe];
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u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
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if (pipe) {
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pipeconf_reg = PIPECCONF;
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dspcntr_reg = DSPCCNTR;
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} else
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mipi &= (~0x03);
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if (state) {
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/*Set up pipe */
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REG_WRITE(pipeconf_reg, BIT(31));
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if (REG_BIT_WAIT(pipeconf_reg, 1, 30))
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dev_err(&dev->pdev->dev, "%s: Pipe enable timeout\n",
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__func__);
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/*Set up display plane */
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REG_WRITE(dspcntr_reg, dspcntr);
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} else {
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u32 dspbase_reg = pipe ? MDFLD_DSPCBASE : MRST_DSPABASE;
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/* Put DSI lanes to ULPS to disable pipe */
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REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), 2, 2, 1);
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REG_READ(MIPI_DEVICE_READY_REG(pipe)); /* posted write? */
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/* LP Hold */
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REG_FLD_MOD(MIPI_PORT_CONTROL(pipe), 0, 16, 16);
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REG_READ(MIPI_PORT_CONTROL(pipe)); /* posted write? */
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/* Disable display plane */
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REG_FLD_MOD(dspcntr_reg, 0, 31, 31);
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/* Flush the plane changes ??? posted write? */
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REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
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REG_READ(dspbase_reg);
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/* Disable PIPE */
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REG_FLD_MOD(pipeconf_reg, 0, 31, 31);
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if (REG_BIT_WAIT(pipeconf_reg, 0, 30))
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dev_err(&dev->pdev->dev, "%s: Pipe disable timeout\n",
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__func__);
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if (REG_BIT_WAIT(MIPI_GEN_FIFO_STAT_REG(pipe), 1, 28))
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dev_err(&dev->pdev->dev, "%s: FIFO not empty\n",
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__func__);
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}
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}
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static void mdfld_dsi_configure_down(struct mdfld_dsi_encoder *dsi_encoder,
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int pipe)
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{
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struct mdfld_dsi_dpi_output *dpi_output =
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MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
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struct mdfld_dsi_config *dsi_config =
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mdfld_dsi_encoder_get_config(dsi_encoder);
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struct drm_device *dev = dsi_config->dev;
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struct drm_psb_private *dev_priv = dev->dev_private;
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if (!dev_priv->dpi_panel_on[pipe]) {
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dev_err(dev->dev, "DPI panel is already off\n");
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return;
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}
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tc35876x_toshiba_bridge_panel_off(dev);
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tc35876x_set_bridge_reset_state(dev, 1);
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dsi_set_pipe_plane_enable_state(dev, 0, pipe);
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mdfld_dsi_dpi_shut_down(dpi_output, pipe);
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dsi_set_device_ready_state(dev, 0, pipe);
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}
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static void mdfld_dsi_configure_up(struct mdfld_dsi_encoder *dsi_encoder,
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int pipe)
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{
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struct mdfld_dsi_dpi_output *dpi_output =
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MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
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struct mdfld_dsi_config *dsi_config =
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mdfld_dsi_encoder_get_config(dsi_encoder);
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struct drm_device *dev = dsi_config->dev;
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struct drm_psb_private *dev_priv = dev->dev_private;
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if (dev_priv->dpi_panel_on[pipe]) {
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dev_err(dev->dev, "DPI panel is already on\n");
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return;
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}
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/* For resume path sequence */
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mdfld_dsi_dpi_shut_down(dpi_output, pipe);
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dsi_set_device_ready_state(dev, 0, pipe);
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dsi_set_device_ready_state(dev, 1, pipe);
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tc35876x_set_bridge_reset_state(dev, 0);
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tc35876x_configure_lvds_bridge(dev);
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mdfld_dsi_dpi_turn_on(dpi_output, pipe); /* Send turn on command */
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dsi_set_pipe_plane_enable_state(dev, 1, pipe);
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}
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/* End for TC35876X */
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/* ************************************************************************* *\
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* FUNCTION: mdfld_dsi_tpo_ic_init
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*
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* DESCRIPTION: This function is called only by mrst_dsi_mode_set and
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* restore_display_registers. since this function does not
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* acquire the mutex, it is important that the calling function
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* does!
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\* ************************************************************************* */
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static void mdfld_dsi_tpo_ic_init(struct mdfld_dsi_config *dsi_config, u32 pipe)
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{
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struct drm_device *dev = dsi_config->dev;
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u32 dcsChannelNumber = dsi_config->channel_num;
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u32 gen_data_reg = MIPI_HS_GEN_DATA_REG(pipe);
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u32 gen_ctrl_reg = MIPI_HS_GEN_CTRL_REG(pipe);
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u32 gen_ctrl_val = GEN_LONG_WRITE;
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DRM_INFO("Enter mrst init TPO MIPI display.\n");
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gen_ctrl_val |= dcsChannelNumber << DCS_CHANNEL_NUMBER_POS;
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/* Flip page order */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x00008036);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
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/* 0xF0 */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x005a5af0);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
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/* Write protection key */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x005a5af1);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
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/* 0xFC */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x005a5afc);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
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/* 0xB7 */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x770000b7);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x00000044);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x05 << WORD_COUNTS_POS));
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/* 0xB6 */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x000a0ab6);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
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/* 0xF2 */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x081010f2);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x4a070708);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x000000c5);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
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/* 0xF8 */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x024003f8);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x01030a04);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x0e020220);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x00000004);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x0d << WORD_COUNTS_POS));
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/* 0xE2 */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x398fc3e2);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x0000916f);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x06 << WORD_COUNTS_POS));
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/* 0xB0 */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x000000b0);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
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/* 0xF4 */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x240242f4);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x78ee2002);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x2a071050);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x507fee10);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x10300710);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x14 << WORD_COUNTS_POS));
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/* 0xBA */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x19fe07ba);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x101c0a31);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x00000010);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
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/* 0xBB */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x28ff07bb);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x24280a31);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x00000034);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
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/* 0xFB */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x535d05fb);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x1b1a2130);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x221e180e);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x131d2120);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x535d0508);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x1c1a2131);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x231f160d);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x111b2220);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x535c2008);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x1f1d2433);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x2c251a10);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x2c34372d);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x00000023);
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mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
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REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS));
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/* 0xFA */
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x525c0bfa);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x1c1c232f);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x2623190e);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x18212625);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x545d0d0e);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x1e1d2333);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x26231a10);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x1a222725);
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mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
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REG_WRITE(gen_data_reg, 0x545d280f);
|
|
mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
|
|
REG_WRITE(gen_data_reg, 0x21202635);
|
|
mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
|
|
REG_WRITE(gen_data_reg, 0x31292013);
|
|
mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
|
|
REG_WRITE(gen_data_reg, 0x31393d33);
|
|
mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
|
|
REG_WRITE(gen_data_reg, 0x00000029);
|
|
mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
|
|
REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS));
|
|
|
|
/* Set DM */
|
|
mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
|
|
REG_WRITE(gen_data_reg, 0x000100f7);
|
|
mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
|
|
REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
|
|
}
|
|
|
|
static u16 mdfld_dsi_dpi_to_byte_clock_count(int pixel_clock_count,
|
|
int num_lane, int bpp)
|
|
{
|
|
return (u16)((pixel_clock_count * bpp) / (num_lane * 8));
|
|
}
|
|
|
|
/*
|
|
* Calculate the dpi time basing on a given drm mode @mode
|
|
* return 0 on success.
|
|
* FIXME: I was using proposed mode value for calculation, may need to
|
|
* use crtc mode values later
|
|
*/
|
|
int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode,
|
|
struct mdfld_dsi_dpi_timing *dpi_timing,
|
|
int num_lane, int bpp)
|
|
{
|
|
int pclk_hsync, pclk_hfp, pclk_hbp, pclk_hactive;
|
|
int pclk_vsync, pclk_vfp, pclk_vbp;
|
|
|
|
pclk_hactive = mode->hdisplay;
|
|
pclk_hfp = mode->hsync_start - mode->hdisplay;
|
|
pclk_hsync = mode->hsync_end - mode->hsync_start;
|
|
pclk_hbp = mode->htotal - mode->hsync_end;
|
|
|
|
pclk_vfp = mode->vsync_start - mode->vdisplay;
|
|
pclk_vsync = mode->vsync_end - mode->vsync_start;
|
|
pclk_vbp = mode->vtotal - mode->vsync_end;
|
|
|
|
/*
|
|
* byte clock counts were calculated by following formula
|
|
* bclock_count = pclk_count * bpp / num_lane / 8
|
|
*/
|
|
dpi_timing->hsync_count = mdfld_dsi_dpi_to_byte_clock_count(
|
|
pclk_hsync, num_lane, bpp);
|
|
dpi_timing->hbp_count = mdfld_dsi_dpi_to_byte_clock_count(
|
|
pclk_hbp, num_lane, bpp);
|
|
dpi_timing->hfp_count = mdfld_dsi_dpi_to_byte_clock_count(
|
|
pclk_hfp, num_lane, bpp);
|
|
dpi_timing->hactive_count = mdfld_dsi_dpi_to_byte_clock_count(
|
|
pclk_hactive, num_lane, bpp);
|
|
dpi_timing->vsync_count = mdfld_dsi_dpi_to_byte_clock_count(
|
|
pclk_vsync, num_lane, bpp);
|
|
dpi_timing->vbp_count = mdfld_dsi_dpi_to_byte_clock_count(
|
|
pclk_vbp, num_lane, bpp);
|
|
dpi_timing->vfp_count = mdfld_dsi_dpi_to_byte_clock_count(
|
|
pclk_vfp, num_lane, bpp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *dsi_config,
|
|
int pipe)
|
|
{
|
|
struct drm_device *dev = dsi_config->dev;
|
|
int lane_count = dsi_config->lane_count;
|
|
struct mdfld_dsi_dpi_timing dpi_timing;
|
|
struct drm_display_mode *mode = dsi_config->mode;
|
|
u32 val;
|
|
|
|
/*un-ready device*/
|
|
REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), 0, 0, 0);
|
|
|
|
/*init dsi adapter before kicking off*/
|
|
REG_WRITE(MIPI_CTRL_REG(pipe), 0x00000018);
|
|
|
|
/*enable all interrupts*/
|
|
REG_WRITE(MIPI_INTR_EN_REG(pipe), 0xffffffff);
|
|
|
|
/*set up func_prg*/
|
|
val = lane_count;
|
|
val |= dsi_config->channel_num << DSI_DPI_VIRT_CHANNEL_OFFSET;
|
|
|
|
switch (dsi_config->bpp) {
|
|
case 16:
|
|
val |= DSI_DPI_COLOR_FORMAT_RGB565;
|
|
break;
|
|
case 18:
|
|
val |= DSI_DPI_COLOR_FORMAT_RGB666;
|
|
break;
|
|
case 24:
|
|
val |= DSI_DPI_COLOR_FORMAT_RGB888;
|
|
break;
|
|
default:
|
|
DRM_ERROR("unsupported color format, bpp = %d\n",
|
|
dsi_config->bpp);
|
|
}
|
|
REG_WRITE(MIPI_DSI_FUNC_PRG_REG(pipe), val);
|
|
|
|
REG_WRITE(MIPI_HS_TX_TIMEOUT_REG(pipe),
|
|
(mode->vtotal * mode->htotal * dsi_config->bpp /
|
|
(8 * lane_count)) & DSI_HS_TX_TIMEOUT_MASK);
|
|
REG_WRITE(MIPI_LP_RX_TIMEOUT_REG(pipe),
|
|
0xffff & DSI_LP_RX_TIMEOUT_MASK);
|
|
|
|
/*max value: 20 clock cycles of txclkesc*/
|
|
REG_WRITE(MIPI_TURN_AROUND_TIMEOUT_REG(pipe),
|
|
0x14 & DSI_TURN_AROUND_TIMEOUT_MASK);
|
|
|
|
/*min 21 txclkesc, max: ffffh*/
|
|
REG_WRITE(MIPI_DEVICE_RESET_TIMER_REG(pipe),
|
|
0xffff & DSI_RESET_TIMER_MASK);
|
|
|
|
REG_WRITE(MIPI_DPI_RESOLUTION_REG(pipe),
|
|
mode->vdisplay << 16 | mode->hdisplay);
|
|
|
|
/*set DPI timing registers*/
|
|
mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing,
|
|
dsi_config->lane_count, dsi_config->bpp);
|
|
|
|
REG_WRITE(MIPI_HSYNC_COUNT_REG(pipe),
|
|
dpi_timing.hsync_count & DSI_DPI_TIMING_MASK);
|
|
REG_WRITE(MIPI_HBP_COUNT_REG(pipe),
|
|
dpi_timing.hbp_count & DSI_DPI_TIMING_MASK);
|
|
REG_WRITE(MIPI_HFP_COUNT_REG(pipe),
|
|
dpi_timing.hfp_count & DSI_DPI_TIMING_MASK);
|
|
REG_WRITE(MIPI_HACTIVE_COUNT_REG(pipe),
|
|
dpi_timing.hactive_count & DSI_DPI_TIMING_MASK);
|
|
REG_WRITE(MIPI_VSYNC_COUNT_REG(pipe),
|
|
dpi_timing.vsync_count & DSI_DPI_TIMING_MASK);
|
|
REG_WRITE(MIPI_VBP_COUNT_REG(pipe),
|
|
dpi_timing.vbp_count & DSI_DPI_TIMING_MASK);
|
|
REG_WRITE(MIPI_VFP_COUNT_REG(pipe),
|
|
dpi_timing.vfp_count & DSI_DPI_TIMING_MASK);
|
|
|
|
REG_WRITE(MIPI_HIGH_LOW_SWITCH_COUNT_REG(pipe), 0x46);
|
|
|
|
/*min: 7d0 max: 4e20*/
|
|
REG_WRITE(MIPI_INIT_COUNT_REG(pipe), 0x000007d0);
|
|
|
|
/*set up video mode*/
|
|
val = dsi_config->video_mode | DSI_DPI_COMPLETE_LAST_LINE;
|
|
REG_WRITE(MIPI_VIDEO_MODE_FORMAT_REG(pipe), val);
|
|
|
|
REG_WRITE(MIPI_EOT_DISABLE_REG(pipe), 0x00000000);
|
|
|
|
REG_WRITE(MIPI_LP_BYTECLK_REG(pipe), 0x00000004);
|
|
|
|
/*TODO: figure out how to setup these registers*/
|
|
if (mdfld_get_panel_type(dev, pipe) == TC35876X)
|
|
REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x2A0c6008);
|
|
else
|
|
REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x150c3408);
|
|
|
|
REG_WRITE(MIPI_CLK_LANE_SWITCH_TIME_CNT_REG(pipe), (0xa << 16) | 0x14);
|
|
|
|
if (mdfld_get_panel_type(dev, pipe) == TC35876X)
|
|
tc35876x_set_bridge_reset_state(dev, 0); /*Pull High Reset */
|
|
|
|
/*set device ready*/
|
|
REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), 1, 0, 0);
|
|
}
|
|
|
|
void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output, int pipe)
|
|
{
|
|
struct drm_device *dev = output->dev;
|
|
|
|
/* clear special packet sent bit */
|
|
if (REG_READ(MIPI_INTR_STAT_REG(pipe)) & DSI_INTR_STATE_SPL_PKG_SENT)
|
|
REG_WRITE(MIPI_INTR_STAT_REG(pipe),
|
|
DSI_INTR_STATE_SPL_PKG_SENT);
|
|
|
|
/*send turn on package*/
|
|
REG_WRITE(MIPI_DPI_CONTROL_REG(pipe), DSI_DPI_CTRL_HS_TURN_ON);
|
|
|
|
/*wait for SPL_PKG_SENT interrupt*/
|
|
mdfld_wait_for_SPL_PKG_SENT(dev, pipe);
|
|
|
|
if (REG_READ(MIPI_INTR_STAT_REG(pipe)) & DSI_INTR_STATE_SPL_PKG_SENT)
|
|
REG_WRITE(MIPI_INTR_STAT_REG(pipe),
|
|
DSI_INTR_STATE_SPL_PKG_SENT);
|
|
|
|
output->panel_on = 1;
|
|
|
|
/* FIXME the following is disabled to WA the X slow start issue
|
|
for TMD panel
|
|
if (pipe == 2)
|
|
dev_priv->dpi_panel_on2 = true;
|
|
else if (pipe == 0)
|
|
dev_priv->dpi_panel_on = true; */
|
|
}
|
|
|
|
static void mdfld_dsi_dpi_shut_down(struct mdfld_dsi_dpi_output *output,
|
|
int pipe)
|
|
{
|
|
struct drm_device *dev = output->dev;
|
|
|
|
/*if output is on, or mode setting didn't happen, ignore this*/
|
|
if ((!output->panel_on) || output->first_boot) {
|
|
output->first_boot = 0;
|
|
return;
|
|
}
|
|
|
|
/* Wait for dpi fifo to empty */
|
|
mdfld_wait_for_DPI_CTRL_FIFO(dev, pipe);
|
|
|
|
/* Clear the special packet interrupt bit if set */
|
|
if (REG_READ(MIPI_INTR_STAT_REG(pipe)) & DSI_INTR_STATE_SPL_PKG_SENT)
|
|
REG_WRITE(MIPI_INTR_STAT_REG(pipe),
|
|
DSI_INTR_STATE_SPL_PKG_SENT);
|
|
|
|
if (REG_READ(MIPI_DPI_CONTROL_REG(pipe)) == DSI_DPI_CTRL_HS_SHUTDOWN)
|
|
goto shutdown_out;
|
|
|
|
REG_WRITE(MIPI_DPI_CONTROL_REG(pipe), DSI_DPI_CTRL_HS_SHUTDOWN);
|
|
|
|
shutdown_out:
|
|
output->panel_on = 0;
|
|
output->first_boot = 0;
|
|
|
|
/* FIXME the following is disabled to WA the X slow start issue
|
|
for TMD panel
|
|
if (pipe == 2)
|
|
dev_priv->dpi_panel_on2 = false;
|
|
else if (pipe == 0)
|
|
dev_priv->dpi_panel_on = false; */
|
|
}
|
|
|
|
static void mdfld_dsi_dpi_set_power(struct drm_encoder *encoder, bool on)
|
|
{
|
|
struct mdfld_dsi_encoder *dsi_encoder = mdfld_dsi_encoder(encoder);
|
|
struct mdfld_dsi_dpi_output *dpi_output =
|
|
MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
|
|
struct mdfld_dsi_config *dsi_config =
|
|
mdfld_dsi_encoder_get_config(dsi_encoder);
|
|
int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
|
|
struct drm_device *dev = dsi_config->dev;
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
|
|
/*start up display island if it was shutdown*/
|
|
if (!gma_power_begin(dev, true))
|
|
return;
|
|
|
|
if (on) {
|
|
if (mdfld_get_panel_type(dev, pipe) == TMD_VID)
|
|
mdfld_dsi_dpi_turn_on(dpi_output, pipe);
|
|
else if (mdfld_get_panel_type(dev, pipe) == TC35876X)
|
|
mdfld_dsi_configure_up(dsi_encoder, pipe);
|
|
else {
|
|
/*enable mipi port*/
|
|
REG_WRITE(MIPI_PORT_CONTROL(pipe),
|
|
REG_READ(MIPI_PORT_CONTROL(pipe)) | BIT(31));
|
|
REG_READ(MIPI_PORT_CONTROL(pipe));
|
|
|
|
mdfld_dsi_dpi_turn_on(dpi_output, pipe);
|
|
mdfld_dsi_tpo_ic_init(dsi_config, pipe);
|
|
}
|
|
dev_priv->dpi_panel_on[pipe] = true;
|
|
} else {
|
|
if (mdfld_get_panel_type(dev, pipe) == TMD_VID)
|
|
mdfld_dsi_dpi_shut_down(dpi_output, pipe);
|
|
else if (mdfld_get_panel_type(dev, pipe) == TC35876X)
|
|
mdfld_dsi_configure_down(dsi_encoder, pipe);
|
|
else {
|
|
mdfld_dsi_dpi_shut_down(dpi_output, pipe);
|
|
|
|
/*disable mipi port*/
|
|
REG_WRITE(MIPI_PORT_CONTROL(pipe),
|
|
REG_READ(MIPI_PORT_CONTROL(pipe)) & ~BIT(31));
|
|
REG_READ(MIPI_PORT_CONTROL(pipe));
|
|
}
|
|
dev_priv->dpi_panel_on[pipe] = false;
|
|
}
|
|
gma_power_end(dev);
|
|
}
|
|
|
|
void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode)
|
|
{
|
|
mdfld_dsi_dpi_set_power(encoder, mode == DRM_MODE_DPMS_ON);
|
|
}
|
|
|
|
bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder,
|
|
const struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
struct mdfld_dsi_encoder *dsi_encoder = mdfld_dsi_encoder(encoder);
|
|
struct mdfld_dsi_config *dsi_config =
|
|
mdfld_dsi_encoder_get_config(dsi_encoder);
|
|
struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
|
|
|
|
if (fixed_mode) {
|
|
adjusted_mode->hdisplay = fixed_mode->hdisplay;
|
|
adjusted_mode->hsync_start = fixed_mode->hsync_start;
|
|
adjusted_mode->hsync_end = fixed_mode->hsync_end;
|
|
adjusted_mode->htotal = fixed_mode->htotal;
|
|
adjusted_mode->vdisplay = fixed_mode->vdisplay;
|
|
adjusted_mode->vsync_start = fixed_mode->vsync_start;
|
|
adjusted_mode->vsync_end = fixed_mode->vsync_end;
|
|
adjusted_mode->vtotal = fixed_mode->vtotal;
|
|
adjusted_mode->clock = fixed_mode->clock;
|
|
drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder)
|
|
{
|
|
mdfld_dsi_dpi_set_power(encoder, false);
|
|
}
|
|
|
|
void mdfld_dsi_dpi_commit(struct drm_encoder *encoder)
|
|
{
|
|
mdfld_dsi_dpi_set_power(encoder, true);
|
|
}
|
|
|
|
/* For TC35876X */
|
|
/* This functionality was implemented in FW in iCDK */
|
|
/* But removed in DV0 and later. So need to add here. */
|
|
static void mipi_set_properties(struct mdfld_dsi_config *dsi_config, int pipe)
|
|
{
|
|
struct drm_device *dev = dsi_config->dev;
|
|
|
|
REG_WRITE(MIPI_CTRL_REG(pipe), 0x00000018);
|
|
REG_WRITE(MIPI_INTR_EN_REG(pipe), 0xffffffff);
|
|
REG_WRITE(MIPI_HS_TX_TIMEOUT_REG(pipe), 0xffffff);
|
|
REG_WRITE(MIPI_LP_RX_TIMEOUT_REG(pipe), 0xffffff);
|
|
REG_WRITE(MIPI_TURN_AROUND_TIMEOUT_REG(pipe), 0x14);
|
|
REG_WRITE(MIPI_DEVICE_RESET_TIMER_REG(pipe), 0xff);
|
|
REG_WRITE(MIPI_HIGH_LOW_SWITCH_COUNT_REG(pipe), 0x25);
|
|
REG_WRITE(MIPI_INIT_COUNT_REG(pipe), 0xf0);
|
|
REG_WRITE(MIPI_EOT_DISABLE_REG(pipe), 0x00000000);
|
|
REG_WRITE(MIPI_LP_BYTECLK_REG(pipe), 0x00000004);
|
|
REG_WRITE(MIPI_DBI_BW_CTRL_REG(pipe), 0x00000820);
|
|
REG_WRITE(MIPI_CLK_LANE_SWITCH_TIME_CNT_REG(pipe), (0xa << 16) | 0x14);
|
|
}
|
|
|
|
static void mdfld_mipi_set_video_timing(struct mdfld_dsi_config *dsi_config,
|
|
int pipe)
|
|
{
|
|
struct drm_device *dev = dsi_config->dev;
|
|
struct mdfld_dsi_dpi_timing dpi_timing;
|
|
struct drm_display_mode *mode = dsi_config->mode;
|
|
|
|
mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing,
|
|
dsi_config->lane_count,
|
|
dsi_config->bpp);
|
|
|
|
REG_WRITE(MIPI_DPI_RESOLUTION_REG(pipe),
|
|
mode->vdisplay << 16 | mode->hdisplay);
|
|
REG_WRITE(MIPI_HSYNC_COUNT_REG(pipe),
|
|
dpi_timing.hsync_count & DSI_DPI_TIMING_MASK);
|
|
REG_WRITE(MIPI_HBP_COUNT_REG(pipe),
|
|
dpi_timing.hbp_count & DSI_DPI_TIMING_MASK);
|
|
REG_WRITE(MIPI_HFP_COUNT_REG(pipe),
|
|
dpi_timing.hfp_count & DSI_DPI_TIMING_MASK);
|
|
REG_WRITE(MIPI_HACTIVE_COUNT_REG(pipe),
|
|
dpi_timing.hactive_count & DSI_DPI_TIMING_MASK);
|
|
REG_WRITE(MIPI_VSYNC_COUNT_REG(pipe),
|
|
dpi_timing.vsync_count & DSI_DPI_TIMING_MASK);
|
|
REG_WRITE(MIPI_VBP_COUNT_REG(pipe),
|
|
dpi_timing.vbp_count & DSI_DPI_TIMING_MASK);
|
|
REG_WRITE(MIPI_VFP_COUNT_REG(pipe),
|
|
dpi_timing.vfp_count & DSI_DPI_TIMING_MASK);
|
|
}
|
|
|
|
static void mdfld_mipi_config(struct mdfld_dsi_config *dsi_config, int pipe)
|
|
{
|
|
struct drm_device *dev = dsi_config->dev;
|
|
int lane_count = dsi_config->lane_count;
|
|
|
|
if (pipe) {
|
|
REG_WRITE(MIPI_PORT_CONTROL(0), 0x00000002);
|
|
REG_WRITE(MIPI_PORT_CONTROL(2), 0x80000000);
|
|
} else {
|
|
REG_WRITE(MIPI_PORT_CONTROL(0), 0x80010000);
|
|
REG_WRITE(MIPI_PORT_CONTROL(2), 0x00);
|
|
}
|
|
|
|
REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x150A600F);
|
|
REG_WRITE(MIPI_VIDEO_MODE_FORMAT_REG(pipe), 0x0000000F);
|
|
|
|
/* lane_count = 3 */
|
|
REG_WRITE(MIPI_DSI_FUNC_PRG_REG(pipe), 0x00000200 | lane_count);
|
|
|
|
mdfld_mipi_set_video_timing(dsi_config, pipe);
|
|
}
|
|
|
|
static void mdfld_set_pipe_timing(struct mdfld_dsi_config *dsi_config, int pipe)
|
|
{
|
|
struct drm_device *dev = dsi_config->dev;
|
|
struct drm_display_mode *mode = dsi_config->mode;
|
|
|
|
REG_WRITE(HTOTAL_A, ((mode->htotal - 1) << 16) | (mode->hdisplay - 1));
|
|
REG_WRITE(HBLANK_A, ((mode->htotal - 1) << 16) | (mode->hdisplay - 1));
|
|
REG_WRITE(HSYNC_A,
|
|
((mode->hsync_end - 1) << 16) | (mode->hsync_start - 1));
|
|
|
|
REG_WRITE(VTOTAL_A, ((mode->vtotal - 1) << 16) | (mode->vdisplay - 1));
|
|
REG_WRITE(VBLANK_A, ((mode->vtotal - 1) << 16) | (mode->vdisplay - 1));
|
|
REG_WRITE(VSYNC_A,
|
|
((mode->vsync_end - 1) << 16) | (mode->vsync_start - 1));
|
|
|
|
REG_WRITE(PIPEASRC,
|
|
((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
|
|
}
|
|
/* End for TC35876X */
|
|
|
|
void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
|
|
struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
struct mdfld_dsi_encoder *dsi_encoder = mdfld_dsi_encoder(encoder);
|
|
struct mdfld_dsi_dpi_output *dpi_output =
|
|
MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
|
|
struct mdfld_dsi_config *dsi_config =
|
|
mdfld_dsi_encoder_get_config(dsi_encoder);
|
|
struct drm_device *dev = dsi_config->dev;
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
|
|
u32 pipeconf_reg = PIPEACONF;
|
|
u32 dspcntr_reg = DSPACNTR;
|
|
u32 pipeconf, dspcntr;
|
|
|
|
u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
|
|
|
|
if (WARN_ON(pipe < 0))
|
|
return;
|
|
|
|
pipeconf = dev_priv->pipeconf[pipe];
|
|
dspcntr = dev_priv->dspcntr[pipe];
|
|
|
|
if (pipe) {
|
|
pipeconf_reg = PIPECCONF;
|
|
dspcntr_reg = DSPCCNTR;
|
|
} else {
|
|
if (mdfld_get_panel_type(dev, pipe) == TC35876X)
|
|
mipi &= (~0x03); /* Use all four lanes */
|
|
else
|
|
mipi |= 2;
|
|
}
|
|
|
|
/*start up display island if it was shutdown*/
|
|
if (!gma_power_begin(dev, true))
|
|
return;
|
|
|
|
if (mdfld_get_panel_type(dev, pipe) == TC35876X) {
|
|
/*
|
|
* The following logic is required to reset the bridge and
|
|
* configure. This also starts the DSI clock at 200MHz.
|
|
*/
|
|
tc35876x_set_bridge_reset_state(dev, 0); /*Pull High Reset */
|
|
tc35876x_toshiba_bridge_panel_on(dev);
|
|
udelay(100);
|
|
/* Now start the DSI clock */
|
|
REG_WRITE(MRST_DPLL_A, 0x00);
|
|
REG_WRITE(MRST_FPA0, 0xC1);
|
|
REG_WRITE(MRST_DPLL_A, 0x00800000);
|
|
udelay(500);
|
|
REG_WRITE(MRST_DPLL_A, 0x80800000);
|
|
|
|
if (REG_BIT_WAIT(pipeconf_reg, 1, 29))
|
|
dev_err(&dev->pdev->dev, "%s: DSI PLL lock timeout\n",
|
|
__func__);
|
|
|
|
REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x2A0c6008);
|
|
|
|
mipi_set_properties(dsi_config, pipe);
|
|
mdfld_mipi_config(dsi_config, pipe);
|
|
mdfld_set_pipe_timing(dsi_config, pipe);
|
|
|
|
REG_WRITE(DSPABASE, 0x00);
|
|
REG_WRITE(DSPASIZE,
|
|
((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
|
|
|
|
REG_WRITE(DSPACNTR, 0x98000000);
|
|
REG_WRITE(DSPASURF, 0x00);
|
|
|
|
REG_WRITE(VGACNTRL, 0x80000000);
|
|
REG_WRITE(DEVICE_READY_REG, 0x00000001);
|
|
|
|
REG_WRITE(MIPI_PORT_CONTROL(pipe), 0x80810000);
|
|
} else {
|
|
/*set up mipi port FIXME: do at init time */
|
|
REG_WRITE(MIPI_PORT_CONTROL(pipe), mipi);
|
|
}
|
|
REG_READ(MIPI_PORT_CONTROL(pipe));
|
|
|
|
if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
|
|
/* NOP */
|
|
} else if (mdfld_get_panel_type(dev, pipe) == TC35876X) {
|
|
/* set up DSI controller DPI interface */
|
|
mdfld_dsi_dpi_controller_init(dsi_config, pipe);
|
|
|
|
/* Configure MIPI Bridge and Panel */
|
|
tc35876x_configure_lvds_bridge(dev);
|
|
dev_priv->dpi_panel_on[pipe] = true;
|
|
} else {
|
|
/*turn on DPI interface*/
|
|
mdfld_dsi_dpi_turn_on(dpi_output, pipe);
|
|
}
|
|
|
|
/*set up pipe*/
|
|
REG_WRITE(pipeconf_reg, pipeconf);
|
|
REG_READ(pipeconf_reg);
|
|
|
|
/*set up display plane*/
|
|
REG_WRITE(dspcntr_reg, dspcntr);
|
|
REG_READ(dspcntr_reg);
|
|
|
|
msleep(20); /* FIXME: this should wait for vblank */
|
|
|
|
if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
|
|
/* NOP */
|
|
} else if (mdfld_get_panel_type(dev, pipe) == TC35876X) {
|
|
mdfld_dsi_dpi_turn_on(dpi_output, pipe);
|
|
} else {
|
|
/* init driver ic */
|
|
mdfld_dsi_tpo_ic_init(dsi_config, pipe);
|
|
/*init backlight*/
|
|
mdfld_dsi_brightness_init(dsi_config, pipe);
|
|
}
|
|
|
|
gma_power_end(dev);
|
|
}
|
|
|
|
/*
|
|
* Init DSI DPI encoder.
|
|
* Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector
|
|
* return pointer of newly allocated DPI encoder, NULL on error
|
|
*/
|
|
struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev,
|
|
struct mdfld_dsi_connector *dsi_connector,
|
|
const struct panel_funcs *p_funcs)
|
|
{
|
|
struct mdfld_dsi_dpi_output *dpi_output = NULL;
|
|
struct mdfld_dsi_config *dsi_config;
|
|
struct drm_connector *connector = NULL;
|
|
struct drm_encoder *encoder = NULL;
|
|
int pipe;
|
|
u32 data;
|
|
int ret;
|
|
|
|
pipe = dsi_connector->pipe;
|
|
|
|
if (mdfld_get_panel_type(dev, pipe) != TC35876X) {
|
|
dsi_config = mdfld_dsi_get_config(dsi_connector);
|
|
|
|
/* panel hard-reset */
|
|
if (p_funcs->reset) {
|
|
ret = p_funcs->reset(pipe);
|
|
if (ret) {
|
|
DRM_ERROR("Panel %d hard-reset failed\n", pipe);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/* panel drvIC init */
|
|
if (p_funcs->drv_ic_init)
|
|
p_funcs->drv_ic_init(dsi_config, pipe);
|
|
|
|
/* panel power mode detect */
|
|
ret = mdfld_dsi_get_power_mode(dsi_config, &data, false);
|
|
if (ret) {
|
|
DRM_ERROR("Panel %d get power mode failed\n", pipe);
|
|
dsi_connector->status = connector_status_disconnected;
|
|
} else {
|
|
DRM_INFO("pipe %d power mode 0x%x\n", pipe, data);
|
|
dsi_connector->status = connector_status_connected;
|
|
}
|
|
}
|
|
|
|
dpi_output = kzalloc(sizeof(struct mdfld_dsi_dpi_output), GFP_KERNEL);
|
|
if (!dpi_output) {
|
|
DRM_ERROR("No memory\n");
|
|
return NULL;
|
|
}
|
|
|
|
dpi_output->panel_on = 0;
|
|
dpi_output->dev = dev;
|
|
if (mdfld_get_panel_type(dev, pipe) != TC35876X)
|
|
dpi_output->p_funcs = p_funcs;
|
|
dpi_output->first_boot = 1;
|
|
|
|
/*get fixed mode*/
|
|
dsi_config = mdfld_dsi_get_config(dsi_connector);
|
|
|
|
/*create drm encoder object*/
|
|
connector = &dsi_connector->base.base;
|
|
encoder = &dpi_output->base.base.base;
|
|
drm_encoder_init(dev,
|
|
encoder,
|
|
p_funcs->encoder_funcs,
|
|
DRM_MODE_ENCODER_LVDS, NULL);
|
|
drm_encoder_helper_add(encoder,
|
|
p_funcs->encoder_helper_funcs);
|
|
|
|
/*attach to given connector*/
|
|
drm_mode_connector_attach_encoder(connector, encoder);
|
|
|
|
/*set possible crtcs and clones*/
|
|
if (dsi_connector->pipe) {
|
|
encoder->possible_crtcs = (1 << 2);
|
|
encoder->possible_clones = (1 << 1);
|
|
} else {
|
|
encoder->possible_crtcs = (1 << 0);
|
|
encoder->possible_clones = (1 << 0);
|
|
}
|
|
|
|
dsi_connector->base.encoder = &dpi_output->base.base;
|
|
|
|
return &dpi_output->base;
|
|
}
|