![Kirill A. Shutemov](/assets/img/avatar_default.png)
drivers/built-in.o: In function `mdfld_dsi_connector_set_property': mdfld_dsi_output.c:(.text+0x6e909): undefined reference to `mdfld_set_brightness' make: *** [.tmp_vmlinux1] Error 1 Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
622 lines
16 KiB
C
622 lines
16 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 <linux/module.h>
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#include "mdfld_dsi_output.h"
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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 "tc35876x-dsi-lvds.h"
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#include <linux/pm_runtime.h>
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#include <asm/intel_scu_ipc.h>
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/* get the LABC from command line. */
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static int LABC_control = 1;
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#ifdef MODULE
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module_param(LABC_control, int, 0644);
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#else
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static int __init parse_LABC_control(char *arg)
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{
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/* LABC control can be passed in as a cmdline parameter */
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/* to enable this feature add LABC=1 to cmdline */
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/* to disable this feature add LABC=0 to cmdline */
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if (!arg)
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return -EINVAL;
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if (!strcasecmp(arg, "0"))
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LABC_control = 0;
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else if (!strcasecmp(arg, "1"))
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LABC_control = 1;
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return 0;
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}
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early_param("LABC", parse_LABC_control);
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#endif
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/**
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* Check and see if the generic control or data buffer is empty and ready.
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*/
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void mdfld_dsi_gen_fifo_ready(struct drm_device *dev, u32 gen_fifo_stat_reg,
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u32 fifo_stat)
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{
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u32 GEN_BF_time_out_count;
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/* Check MIPI Adatper command registers */
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for (GEN_BF_time_out_count = 0;
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GEN_BF_time_out_count < GEN_FB_TIME_OUT;
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GEN_BF_time_out_count++) {
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if ((REG_READ(gen_fifo_stat_reg) & fifo_stat) == fifo_stat)
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break;
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udelay(100);
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}
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if (GEN_BF_time_out_count == GEN_FB_TIME_OUT)
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DRM_ERROR("mdfld_dsi_gen_fifo_ready, Timeout. gen_fifo_stat_reg = 0x%x.\n",
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gen_fifo_stat_reg);
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}
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/**
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* Manage the DSI MIPI keyboard and display brightness.
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* FIXME: this is exported to OSPM code. should work out an specific
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* display interface to OSPM.
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*/
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void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config, int pipe)
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{
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struct mdfld_dsi_pkg_sender *sender =
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mdfld_dsi_get_pkg_sender(dsi_config);
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struct drm_device *dev = sender->dev;
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struct drm_psb_private *dev_priv = dev->dev_private;
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u32 gen_ctrl_val;
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if (!sender) {
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DRM_ERROR("No sender found\n");
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return;
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}
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/* Set default display backlight value to 85% (0xd8)*/
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mdfld_dsi_send_mcs_short(sender, write_display_brightness, 0xd8, 1,
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true);
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/* Set minimum brightness setting of CABC function to 20% (0x33)*/
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mdfld_dsi_send_mcs_short(sender, write_cabc_min_bright, 0x33, 1, true);
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/* Enable backlight or/and LABC */
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gen_ctrl_val = BRIGHT_CNTL_BLOCK_ON | DISPLAY_DIMMING_ON |
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BACKLIGHT_ON;
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if (LABC_control == 1)
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gen_ctrl_val |= DISPLAY_DIMMING_ON | DISPLAY_BRIGHTNESS_AUTO
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| GAMMA_AUTO;
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if (LABC_control == 1)
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gen_ctrl_val |= AMBIENT_LIGHT_SENSE_ON;
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dev_priv->mipi_ctrl_display = gen_ctrl_val;
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mdfld_dsi_send_mcs_short(sender, write_ctrl_display, (u8)gen_ctrl_val,
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1, true);
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mdfld_dsi_send_mcs_short(sender, write_ctrl_cabc, UI_IMAGE, 1, true);
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}
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void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe, int level)
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{
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struct mdfld_dsi_pkg_sender *sender;
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struct drm_psb_private *dev_priv;
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struct mdfld_dsi_config *dsi_config;
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u32 gen_ctrl_val = 0;
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int p_type = TMD_VID;
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if (!dev || (pipe != 0 && pipe != 2)) {
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DRM_ERROR("Invalid parameter\n");
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return;
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}
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p_type = mdfld_get_panel_type(dev, 0);
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dev_priv = dev->dev_private;
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if (pipe)
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dsi_config = dev_priv->dsi_configs[1];
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else
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dsi_config = dev_priv->dsi_configs[0];
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sender = mdfld_dsi_get_pkg_sender(dsi_config);
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if (!sender) {
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DRM_ERROR("No sender found\n");
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return;
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}
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gen_ctrl_val = (level * 0xff / MDFLD_DSI_BRIGHTNESS_MAX_LEVEL) & 0xff;
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dev_dbg(sender->dev->dev, "pipe = %d, gen_ctrl_val = %d.\n",
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pipe, gen_ctrl_val);
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if (p_type == TMD_VID) {
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/* Set display backlight value */
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mdfld_dsi_send_mcs_short(sender, tmd_write_display_brightness,
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(u8)gen_ctrl_val, 1, true);
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} else {
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/* Set display backlight value */
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mdfld_dsi_send_mcs_short(sender, write_display_brightness,
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(u8)gen_ctrl_val, 1, true);
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/* Enable backlight control */
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if (level == 0)
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gen_ctrl_val = 0;
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else
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gen_ctrl_val = dev_priv->mipi_ctrl_display;
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mdfld_dsi_send_mcs_short(sender, write_ctrl_display,
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(u8)gen_ctrl_val, 1, true);
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}
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}
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static int mdfld_dsi_get_panel_status(struct mdfld_dsi_config *dsi_config,
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u8 dcs, u32 *data, bool hs)
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{
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struct mdfld_dsi_pkg_sender *sender
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= mdfld_dsi_get_pkg_sender(dsi_config);
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if (!sender || !data) {
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DRM_ERROR("Invalid parameter\n");
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return -EINVAL;
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}
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return mdfld_dsi_read_mcs(sender, dcs, data, 1, hs);
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}
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int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config, u32 *mode,
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bool hs)
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{
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if (!dsi_config || !mode) {
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DRM_ERROR("Invalid parameter\n");
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return -EINVAL;
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}
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return mdfld_dsi_get_panel_status(dsi_config, 0x0a, mode, hs);
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}
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/*
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* NOTE: this function was used by OSPM.
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* TODO: will be removed later, should work out display interfaces for OSPM
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*/
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void mdfld_dsi_controller_init(struct mdfld_dsi_config *dsi_config, int pipe)
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{
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if (!dsi_config || ((pipe != 0) && (pipe != 2))) {
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DRM_ERROR("Invalid parameters\n");
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return;
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}
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mdfld_dsi_dpi_controller_init(dsi_config, pipe);
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}
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static void mdfld_dsi_connector_save(struct drm_connector *connector)
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{
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}
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static void mdfld_dsi_connector_restore(struct drm_connector *connector)
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{
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}
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/* FIXME: start using the force parameter */
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static enum drm_connector_status
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mdfld_dsi_connector_detect(struct drm_connector *connector, bool force)
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{
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struct mdfld_dsi_connector *dsi_connector
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= mdfld_dsi_connector(connector);
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dsi_connector->status = connector_status_connected;
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return dsi_connector->status;
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}
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static int mdfld_dsi_connector_set_property(struct drm_connector *connector,
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struct drm_property *property,
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uint64_t value)
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{
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struct drm_encoder *encoder = connector->encoder;
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if (!strcmp(property->name, "scaling mode") && encoder) {
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struct psb_intel_crtc *psb_crtc =
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to_psb_intel_crtc(encoder->crtc);
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bool centerechange;
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uint64_t val;
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if (!psb_crtc)
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goto set_prop_error;
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switch (value) {
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case DRM_MODE_SCALE_FULLSCREEN:
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break;
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case DRM_MODE_SCALE_NO_SCALE:
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break;
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case DRM_MODE_SCALE_ASPECT:
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break;
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default:
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goto set_prop_error;
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}
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if (drm_connector_property_get_value(connector, property, &val))
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goto set_prop_error;
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if (val == value)
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goto set_prop_done;
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if (drm_connector_property_set_value(connector,
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property, value))
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goto set_prop_error;
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centerechange = (val == DRM_MODE_SCALE_NO_SCALE) ||
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(value == DRM_MODE_SCALE_NO_SCALE);
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if (psb_crtc->saved_mode.hdisplay != 0 &&
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psb_crtc->saved_mode.vdisplay != 0) {
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if (centerechange) {
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if (!drm_crtc_helper_set_mode(encoder->crtc,
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&psb_crtc->saved_mode,
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encoder->crtc->x,
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encoder->crtc->y,
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encoder->crtc->fb))
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goto set_prop_error;
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} else {
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struct drm_encoder_helper_funcs *funcs =
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encoder->helper_private;
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funcs->mode_set(encoder,
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&psb_crtc->saved_mode,
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&psb_crtc->saved_adjusted_mode);
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}
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}
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} else if (!strcmp(property->name, "backlight") && encoder) {
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if (drm_connector_property_set_value(connector, property,
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value))
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goto set_prop_error;
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else {
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#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
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struct backlight_device *psb_bd;
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psb_bd = mdfld_get_backlight_device();
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if (psb_bd) {
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psb_bd->props.brightness = value;
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mdfld_set_brightness(psb_bd);
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}
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#endif
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}
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}
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set_prop_done:
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return 0;
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set_prop_error:
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return -1;
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}
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static void mdfld_dsi_connector_destroy(struct drm_connector *connector)
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{
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struct mdfld_dsi_connector *dsi_connector =
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mdfld_dsi_connector(connector);
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struct mdfld_dsi_pkg_sender *sender;
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if (!dsi_connector)
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return;
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drm_sysfs_connector_remove(connector);
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drm_connector_cleanup(connector);
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sender = dsi_connector->pkg_sender;
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mdfld_dsi_pkg_sender_destroy(sender);
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kfree(dsi_connector);
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}
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static int mdfld_dsi_connector_get_modes(struct drm_connector *connector)
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{
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struct mdfld_dsi_connector *dsi_connector =
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mdfld_dsi_connector(connector);
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struct mdfld_dsi_config *dsi_config =
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mdfld_dsi_get_config(dsi_connector);
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struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
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struct drm_display_mode *dup_mode = NULL;
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struct drm_device *dev = connector->dev;
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connector->display_info.min_vfreq = 0;
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connector->display_info.max_vfreq = 200;
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connector->display_info.min_hfreq = 0;
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connector->display_info.max_hfreq = 200;
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if (fixed_mode) {
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dev_dbg(dev->dev, "fixed_mode %dx%d\n",
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fixed_mode->hdisplay, fixed_mode->vdisplay);
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dup_mode = drm_mode_duplicate(dev, fixed_mode);
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drm_mode_probed_add(connector, dup_mode);
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return 1;
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}
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DRM_ERROR("Didn't get any modes!\n");
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return 0;
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}
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static int mdfld_dsi_connector_mode_valid(struct drm_connector *connector,
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struct drm_display_mode *mode)
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{
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struct mdfld_dsi_connector *dsi_connector =
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mdfld_dsi_connector(connector);
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struct mdfld_dsi_config *dsi_config =
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mdfld_dsi_get_config(dsi_connector);
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struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
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if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
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return MODE_NO_DBLESCAN;
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if (mode->flags & DRM_MODE_FLAG_INTERLACE)
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return MODE_NO_INTERLACE;
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/**
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* FIXME: current DC has no fitting unit, reject any mode setting
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* request
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* Will figure out a way to do up-scaling(pannel fitting) later.
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**/
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if (fixed_mode) {
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if (mode->hdisplay != fixed_mode->hdisplay)
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return MODE_PANEL;
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if (mode->vdisplay != fixed_mode->vdisplay)
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return MODE_PANEL;
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}
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return MODE_OK;
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}
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static void mdfld_dsi_connector_dpms(struct drm_connector *connector, int mode)
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{
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if (mode == connector->dpms)
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return;
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/*first, execute dpms*/
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drm_helper_connector_dpms(connector, mode);
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}
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static struct drm_encoder *mdfld_dsi_connector_best_encoder(
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struct drm_connector *connector)
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{
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struct mdfld_dsi_connector *dsi_connector =
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mdfld_dsi_connector(connector);
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struct mdfld_dsi_config *dsi_config =
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mdfld_dsi_get_config(dsi_connector);
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return &dsi_config->encoder->base.base;
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}
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/*DSI connector funcs*/
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static const struct drm_connector_funcs mdfld_dsi_connector_funcs = {
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.dpms = /*drm_helper_connector_dpms*/mdfld_dsi_connector_dpms,
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.save = mdfld_dsi_connector_save,
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.restore = mdfld_dsi_connector_restore,
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.detect = mdfld_dsi_connector_detect,
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.fill_modes = drm_helper_probe_single_connector_modes,
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.set_property = mdfld_dsi_connector_set_property,
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.destroy = mdfld_dsi_connector_destroy,
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};
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/*DSI connector helper funcs*/
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static const struct drm_connector_helper_funcs
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mdfld_dsi_connector_helper_funcs = {
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.get_modes = mdfld_dsi_connector_get_modes,
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.mode_valid = mdfld_dsi_connector_mode_valid,
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.best_encoder = mdfld_dsi_connector_best_encoder,
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};
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static int mdfld_dsi_get_default_config(struct drm_device *dev,
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struct mdfld_dsi_config *config, int pipe)
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{
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if (!dev || !config) {
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DRM_ERROR("Invalid parameters");
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return -EINVAL;
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}
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config->bpp = 24;
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if (mdfld_get_panel_type(dev, pipe) == TC35876X)
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config->lane_count = 4;
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else
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config->lane_count = 2;
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config->channel_num = 0;
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if (mdfld_get_panel_type(dev, pipe) == TMD_VID)
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config->video_mode = MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE;
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else if (mdfld_get_panel_type(dev, pipe) == TC35876X)
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config->video_mode =
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MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_EVENTS;
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else
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config->video_mode = MDFLD_DSI_VIDEO_BURST_MODE;
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return 0;
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}
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int mdfld_dsi_panel_reset(int pipe)
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{
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unsigned gpio;
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int ret = 0;
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switch (pipe) {
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case 0:
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gpio = 128;
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break;
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case 2:
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gpio = 34;
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break;
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default:
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DRM_ERROR("Invalid output\n");
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return -EINVAL;
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}
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ret = gpio_request(gpio, "gfx");
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if (ret) {
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DRM_ERROR("gpio_rqueset failed\n");
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return ret;
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}
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ret = gpio_direction_output(gpio, 1);
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if (ret) {
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DRM_ERROR("gpio_direction_output failed\n");
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goto gpio_error;
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}
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gpio_get_value(128);
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gpio_error:
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if (gpio_is_valid(gpio))
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gpio_free(gpio);
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return ret;
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}
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/*
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* MIPI output init
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* @dev drm device
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* @pipe pipe number. 0 or 2
|
|
* @config
|
|
*
|
|
* Do the initialization of a MIPI output, including create DRM mode objects
|
|
* initialization of DSI output on @pipe
|
|
*/
|
|
void mdfld_dsi_output_init(struct drm_device *dev,
|
|
int pipe,
|
|
const struct panel_funcs *p_vid_funcs)
|
|
{
|
|
struct mdfld_dsi_config *dsi_config;
|
|
struct mdfld_dsi_connector *dsi_connector;
|
|
struct drm_connector *connector;
|
|
struct mdfld_dsi_encoder *encoder;
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
struct panel_info dsi_panel_info;
|
|
u32 width_mm, height_mm;
|
|
|
|
dev_dbg(dev->dev, "init DSI output on pipe %d\n", pipe);
|
|
|
|
if (!dev || ((pipe != 0) && (pipe != 2))) {
|
|
DRM_ERROR("Invalid parameter\n");
|
|
return;
|
|
}
|
|
|
|
/*create a new connetor*/
|
|
dsi_connector = kzalloc(sizeof(struct mdfld_dsi_connector), GFP_KERNEL);
|
|
if (!dsi_connector) {
|
|
DRM_ERROR("No memory");
|
|
return;
|
|
}
|
|
|
|
dsi_connector->pipe = pipe;
|
|
|
|
dsi_config = kzalloc(sizeof(struct mdfld_dsi_config),
|
|
GFP_KERNEL);
|
|
if (!dsi_config) {
|
|
DRM_ERROR("cannot allocate memory for DSI config\n");
|
|
goto dsi_init_err0;
|
|
}
|
|
mdfld_dsi_get_default_config(dev, dsi_config, pipe);
|
|
|
|
dsi_connector->private = dsi_config;
|
|
|
|
dsi_config->changed = 1;
|
|
dsi_config->dev = dev;
|
|
|
|
dsi_config->fixed_mode = p_vid_funcs->get_config_mode(dev);
|
|
if (p_vid_funcs->get_panel_info(dev, pipe, &dsi_panel_info))
|
|
goto dsi_init_err0;
|
|
|
|
width_mm = dsi_panel_info.width_mm;
|
|
height_mm = dsi_panel_info.height_mm;
|
|
|
|
dsi_config->mode = dsi_config->fixed_mode;
|
|
dsi_config->connector = dsi_connector;
|
|
|
|
if (!dsi_config->fixed_mode) {
|
|
DRM_ERROR("No pannel fixed mode was found\n");
|
|
goto dsi_init_err0;
|
|
}
|
|
|
|
if (pipe && dev_priv->dsi_configs[0]) {
|
|
dsi_config->dvr_ic_inited = 0;
|
|
dev_priv->dsi_configs[1] = dsi_config;
|
|
} else if (pipe == 0) {
|
|
dsi_config->dvr_ic_inited = 1;
|
|
dev_priv->dsi_configs[0] = dsi_config;
|
|
} else {
|
|
DRM_ERROR("Trying to init MIPI1 before MIPI0\n");
|
|
goto dsi_init_err0;
|
|
}
|
|
|
|
|
|
connector = &dsi_connector->base.base;
|
|
drm_connector_init(dev, connector, &mdfld_dsi_connector_funcs,
|
|
DRM_MODE_CONNECTOR_LVDS);
|
|
drm_connector_helper_add(connector, &mdfld_dsi_connector_helper_funcs);
|
|
|
|
connector->display_info.subpixel_order = SubPixelHorizontalRGB;
|
|
connector->display_info.width_mm = width_mm;
|
|
connector->display_info.height_mm = height_mm;
|
|
connector->interlace_allowed = false;
|
|
connector->doublescan_allowed = false;
|
|
|
|
/*attach properties*/
|
|
drm_connector_attach_property(connector,
|
|
dev->mode_config.scaling_mode_property,
|
|
DRM_MODE_SCALE_FULLSCREEN);
|
|
drm_connector_attach_property(connector,
|
|
dev_priv->backlight_property,
|
|
MDFLD_DSI_BRIGHTNESS_MAX_LEVEL);
|
|
|
|
/*init DSI package sender on this output*/
|
|
if (mdfld_dsi_pkg_sender_init(dsi_connector, pipe)) {
|
|
DRM_ERROR("Package Sender initialization failed on pipe %d\n",
|
|
pipe);
|
|
goto dsi_init_err0;
|
|
}
|
|
|
|
encoder = mdfld_dsi_dpi_init(dev, dsi_connector, p_vid_funcs);
|
|
if (!encoder) {
|
|
DRM_ERROR("Create DPI encoder failed\n");
|
|
goto dsi_init_err1;
|
|
}
|
|
encoder->private = dsi_config;
|
|
dsi_config->encoder = encoder;
|
|
encoder->base.type = (pipe == 0) ? INTEL_OUTPUT_MIPI :
|
|
INTEL_OUTPUT_MIPI2;
|
|
drm_sysfs_connector_add(connector);
|
|
return;
|
|
|
|
/*TODO: add code to destroy outputs on error*/
|
|
dsi_init_err1:
|
|
/*destroy sender*/
|
|
mdfld_dsi_pkg_sender_destroy(dsi_connector->pkg_sender);
|
|
|
|
drm_connector_cleanup(connector);
|
|
|
|
kfree(dsi_config->fixed_mode);
|
|
kfree(dsi_config);
|
|
dsi_init_err0:
|
|
kfree(dsi_connector);
|
|
}
|