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path: root/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
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Diffstat (limited to 'drivers/gpu/drm/gma500/mdfld_dsi_dpi.c')
-rw-r--r--drivers/gpu/drm/gma500/mdfld_dsi_dpi.c1017
1 files changed, 1017 insertions, 0 deletions
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
new file mode 100644
index 000000000000..d52358b744a0
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
@@ -0,0 +1,1017 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ * jim liu <jim.liu@intel.com>
+ * Jackie Li<yaodong.li@intel.com>
+ */
+
+#include "mdfld_dsi_dpi.h"
+#include "mdfld_output.h"
+#include "mdfld_dsi_pkg_sender.h"
+#include "psb_drv.h"
+#include "tc35876x-dsi-lvds.h"
+
+static void mdfld_dsi_dpi_shut_down(struct mdfld_dsi_dpi_output *output,
+ int pipe);
+
+static void mdfld_wait_for_HS_DATA_FIFO(struct drm_device *dev, u32 pipe)
+{
+ u32 gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
+ int timeout = 0;
+
+ udelay(500);
+
+ /* This will time out after approximately 2+ seconds */
+ while ((timeout < 20000) &&
+ (REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_DATA_FULL)) {
+ udelay(100);
+ timeout++;
+ }
+
+ if (timeout == 20000)
+ DRM_INFO("MIPI: HS Data FIFO was never cleared!\n");
+}
+
+static void mdfld_wait_for_HS_CTRL_FIFO(struct drm_device *dev, u32 pipe)
+{
+ u32 gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
+ int timeout = 0;
+
+ udelay(500);
+
+ /* This will time out after approximately 2+ seconds */
+ while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg)
+ & DSI_FIFO_GEN_HS_CTRL_FULL)) {
+ udelay(100);
+ timeout++;
+ }
+ if (timeout == 20000)
+ DRM_INFO("MIPI: HS CMD FIFO was never cleared!\n");
+}
+
+static void mdfld_wait_for_DPI_CTRL_FIFO(struct drm_device *dev, u32 pipe)
+{
+ u32 gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
+ int timeout = 0;
+
+ udelay(500);
+
+ /* This will time out after approximately 2+ seconds */
+ while ((timeout < 20000) && ((REG_READ(gen_fifo_stat_reg) &
+ DPI_FIFO_EMPTY) != DPI_FIFO_EMPTY)) {
+ udelay(100);
+ timeout++;
+ }
+
+ if (timeout == 20000)
+ DRM_ERROR("MIPI: DPI FIFO was never cleared\n");
+}
+
+static void mdfld_wait_for_SPL_PKG_SENT(struct drm_device *dev, u32 pipe)
+{
+ u32 intr_stat_reg = MIPI_INTR_STAT_REG(pipe);
+ int timeout = 0;
+
+ udelay(500);
+
+ /* This will time out after approximately 2+ seconds */
+ while ((timeout < 20000) && (!(REG_READ(intr_stat_reg)
+ & DSI_INTR_STATE_SPL_PKG_SENT))) {
+ udelay(100);
+ timeout++;
+ }
+
+ if (timeout == 20000)
+ DRM_ERROR("MIPI: SPL_PKT_SENT_INTERRUPT was not sent successfully!\n");
+}
+
+/* For TC35876X */
+
+static void dsi_set_device_ready_state(struct drm_device *dev, int state,
+ int pipe)
+{
+ REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), !!state, 0, 0);
+}
+
+static void dsi_set_pipe_plane_enable_state(struct drm_device *dev,
+ int state, int pipe)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 pipeconf_reg = PIPEACONF;
+ u32 dspcntr_reg = DSPACNTR;
+
+ u32 dspcntr = dev_priv->dspcntr[pipe];
+ u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
+
+ if (pipe) {
+ pipeconf_reg = PIPECCONF;
+ dspcntr_reg = DSPCCNTR;
+ } else
+ mipi &= (~0x03);
+
+ if (state) {
+ /*Set up pipe */
+ REG_WRITE(pipeconf_reg, BIT(31));
+
+ if (REG_BIT_WAIT(pipeconf_reg, 1, 30))
+ dev_err(&dev->pdev->dev, "%s: Pipe enable timeout\n",
+ __func__);
+
+ /*Set up display plane */
+ REG_WRITE(dspcntr_reg, dspcntr);
+ } else {
+ u32 dspbase_reg = pipe ? MDFLD_DSPCBASE : MRST_DSPABASE;
+
+ /* Put DSI lanes to ULPS to disable pipe */
+ REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), 2, 2, 1);
+ REG_READ(MIPI_DEVICE_READY_REG(pipe)); /* posted write? */
+
+ /* LP Hold */
+ REG_FLD_MOD(MIPI_PORT_CONTROL(pipe), 0, 16, 16);
+ REG_READ(MIPI_PORT_CONTROL(pipe)); /* posted write? */
+
+ /* Disable display plane */
+ REG_FLD_MOD(dspcntr_reg, 0, 31, 31);
+
+ /* Flush the plane changes ??? posted write? */
+ REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
+ REG_READ(dspbase_reg);
+
+ /* Disable PIPE */
+ REG_FLD_MOD(pipeconf_reg, 0, 31, 31);
+
+ if (REG_BIT_WAIT(pipeconf_reg, 0, 30))
+ dev_err(&dev->pdev->dev, "%s: Pipe disable timeout\n",
+ __func__);
+
+ if (REG_BIT_WAIT(MIPI_GEN_FIFO_STAT_REG(pipe), 1, 28))
+ dev_err(&dev->pdev->dev, "%s: FIFO not empty\n",
+ __func__);
+ }
+}
+
+static void mdfld_dsi_configure_down(struct mdfld_dsi_encoder *dsi_encoder,
+ int pipe)
+{
+ 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;
+
+ if (!dev_priv->dpi_panel_on[pipe]) {
+ dev_err(dev->dev, "DPI panel is already off\n");
+ return;
+ }
+ tc35876x_toshiba_bridge_panel_off(dev);
+ tc35876x_set_bridge_reset_state(dev, 1);
+ dsi_set_pipe_plane_enable_state(dev, 0, pipe);
+ mdfld_dsi_dpi_shut_down(dpi_output, pipe);
+ dsi_set_device_ready_state(dev, 0, pipe);
+}
+
+static void mdfld_dsi_configure_up(struct mdfld_dsi_encoder *dsi_encoder,
+ int pipe)
+{
+ 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;
+
+ if (dev_priv->dpi_panel_on[pipe]) {
+ dev_err(dev->dev, "DPI panel is already on\n");
+ return;
+ }
+
+ /* For resume path sequence */
+ mdfld_dsi_dpi_shut_down(dpi_output, pipe);
+ dsi_set_device_ready_state(dev, 0, pipe);
+
+ dsi_set_device_ready_state(dev, 1, pipe);
+ tc35876x_set_bridge_reset_state(dev, 0);
+ tc35876x_configure_lvds_bridge(dev);
+ mdfld_dsi_dpi_turn_on(dpi_output, pipe); /* Send turn on command */
+ dsi_set_pipe_plane_enable_state(dev, 1, pipe);
+}
+/* End for TC35876X */
+
+/* ************************************************************************* *\
+ * FUNCTION: mdfld_dsi_tpo_ic_init
+ *
+ * DESCRIPTION: This function is called only by mrst_dsi_mode_set and
+ * restore_display_registers. since this function does not
+ * acquire the mutex, it is important that the calling function
+ * does!
+\* ************************************************************************* */
+static void mdfld_dsi_tpo_ic_init(struct mdfld_dsi_config *dsi_config, u32 pipe)
+{
+ struct drm_device *dev = dsi_config->dev;
+ u32 dcsChannelNumber = dsi_config->channel_num;
+ u32 gen_data_reg = MIPI_HS_GEN_DATA_REG(pipe);
+ u32 gen_ctrl_reg = MIPI_HS_GEN_CTRL_REG(pipe);
+ u32 gen_ctrl_val = GEN_LONG_WRITE;
+
+ DRM_INFO("Enter mrst init TPO MIPI display.\n");
+
+ gen_ctrl_val |= dcsChannelNumber << DCS_CHANNEL_NUMBER_POS;
+
+ /* Flip page order */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x00008036);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
+
+ /* 0xF0 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x005a5af0);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
+
+ /* Write protection key */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x005a5af1);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
+
+ /* 0xFC */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x005a5afc);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
+
+ /* 0xB7 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x770000b7);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x00000044);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x05 << WORD_COUNTS_POS));
+
+ /* 0xB6 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x000a0ab6);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
+
+ /* 0xF2 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x081010f2);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x4a070708);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x000000c5);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
+
+ /* 0xF8 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x024003f8);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x01030a04);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x0e020220);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x00000004);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x0d << WORD_COUNTS_POS));
+
+ /* 0xE2 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x398fc3e2);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x0000916f);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x06 << WORD_COUNTS_POS));
+
+ /* 0xB0 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x000000b0);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
+
+ /* 0xF4 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x240242f4);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x78ee2002);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x2a071050);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x507fee10);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x10300710);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x14 << WORD_COUNTS_POS));
+
+ /* 0xBA */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x19fe07ba);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x101c0a31);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x00000010);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
+
+ /* 0xBB */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x28ff07bb);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x24280a31);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x00000034);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
+
+ /* 0xFB */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x535d05fb);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x1b1a2130);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x221e180e);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x131d2120);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x535d0508);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x1c1a2131);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x231f160d);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x111b2220);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x535c2008);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x1f1d2433);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x2c251a10);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x2c34372d);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x00000023);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS));
+
+ /* 0xFA */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x525c0bfa);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x1c1c232f);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x2623190e);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x18212625);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x545d0d0e);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x1e1d2333);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x26231a10);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x1a222725);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ 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,
+ 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 = dev_priv->pipeconf[pipe];
+ u32 dspcntr = dev_priv->dspcntr[pipe];
+ u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
+
+ 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(DSPASTRIDE, (mode->hdisplay * 4));
+ 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;
+ }
+
+ if (dsi_connector->pipe)
+ dpi_output->panel_on = 0;
+ else
+ 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);
+ 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;
+}