b712eb76c9
With this change, mdp transfer time updated to userspace will be the preferred dtsi entry, when both dsi clock and mdp transfer time nodes are set. Change-Id: I37cd55e3d6f3f0f78f4ca4bddf921f6cf743c1b9 Signed-off-by: Vara Reddy <varar@codeaurora.org>
4436 lines
108 KiB
C
4436 lines
108 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
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*/
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/gpio.h>
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#include <linux/of_gpio.h>
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#include <linux/pwm.h>
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#include <video/mipi_display.h>
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#include "dsi_panel.h"
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#include "dsi_ctrl_hw.h"
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#include "dsi_parser.h"
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/**
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* topology is currently defined by a set of following 3 values:
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* 1. num of layer mixers
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* 2. num of compression encoders
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* 3. num of interfaces
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*/
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#define TOPOLOGY_SET_LEN 3
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#define MAX_TOPOLOGY 5
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#define DSI_PANEL_DEFAULT_LABEL "Default dsi panel"
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#define DEFAULT_PANEL_JITTER_NUMERATOR 2
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#define DEFAULT_PANEL_JITTER_DENOMINATOR 1
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#define DEFAULT_PANEL_JITTER_ARRAY_SIZE 2
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#define MAX_PANEL_JITTER 10
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#define DEFAULT_PANEL_PREFILL_LINES 25
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#define MIN_PREFILL_LINES 35
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enum dsi_dsc_ratio_type {
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DSC_8BPC_8BPP,
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DSC_10BPC_8BPP,
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DSC_12BPC_8BPP,
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DSC_10BPC_10BPP,
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DSC_RATIO_TYPE_MAX
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};
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static u32 dsi_dsc_rc_buf_thresh[] = {0x0e, 0x1c, 0x2a, 0x38, 0x46, 0x54,
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0x62, 0x69, 0x70, 0x77, 0x79, 0x7b, 0x7d, 0x7e};
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/*
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* DSC 1.1
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* Rate control - Min QP values for each ratio type in dsi_dsc_ratio_type
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*/
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static char dsi_dsc_rc_range_min_qp_1_1[][15] = {
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{0, 0, 1, 1, 3, 3, 3, 3, 3, 3, 5, 5, 5, 7, 12},
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{0, 4, 5, 5, 7, 7, 7, 7, 7, 7, 9, 9, 9, 11, 17},
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{0, 4, 9, 9, 11, 11, 11, 11, 11, 11, 13, 13, 13, 15, 21},
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{0, 4, 5, 6, 7, 7, 7, 7, 7, 7, 9, 9, 9, 11, 15},
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};
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/*
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* DSC 1.1 SCR
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* Rate control - Min QP values for each ratio type in dsi_dsc_ratio_type
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*/
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static char dsi_dsc_rc_range_min_qp_1_1_scr1[][15] = {
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{0, 0, 1, 1, 3, 3, 3, 3, 3, 3, 5, 5, 5, 9, 12},
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{0, 4, 5, 5, 7, 7, 7, 7, 7, 7, 9, 9, 9, 13, 16},
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{0, 4, 9, 9, 11, 11, 11, 11, 11, 11, 13, 13, 13, 17, 20},
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{0, 4, 5, 6, 7, 7, 7, 7, 7, 7, 9, 9, 9, 11, 15},
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};
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/*
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* DSC 1.1
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* Rate control - Max QP values for each ratio type in dsi_dsc_ratio_type
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*/
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static char dsi_dsc_rc_range_max_qp_1_1[][15] = {
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{4, 4, 5, 6, 7, 7, 7, 8, 9, 10, 11, 12, 13, 13, 15},
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{4, 8, 9, 10, 11, 11, 11, 12, 13, 14, 15, 16, 17, 17, 19},
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{12, 12, 13, 14, 15, 15, 15, 16, 17, 18, 19, 20, 21, 21, 23},
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{7, 8, 9, 10, 11, 11, 11, 12, 13, 13, 14, 14, 15, 15, 16},
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};
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/*
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* DSC 1.1 SCR
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* Rate control - Max QP values for each ratio type in dsi_dsc_ratio_type
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*/
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static char dsi_dsc_rc_range_max_qp_1_1_scr1[][15] = {
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{4, 4, 5, 6, 7, 7, 7, 8, 9, 10, 10, 11, 11, 12, 13},
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{8, 8, 9, 10, 11, 11, 11, 12, 13, 14, 14, 15, 15, 16, 17},
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{12, 12, 13, 14, 15, 15, 15, 16, 17, 18, 18, 19, 19, 20, 23},
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{7, 8, 9, 10, 11, 11, 11, 12, 13, 13, 14, 14, 15, 15, 16},
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};
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/*
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* DSC 1.1 and DSC 1.1 SCR
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* Rate control - bpg offset values
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*/
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static char dsi_dsc_rc_range_bpg_offset[] = {2, 0, 0, -2, -4, -6, -8, -8,
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-8, -10, -10, -12, -12, -12, -12};
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int dsi_dsc_create_pps_buf_cmd(struct msm_display_dsc_info *dsc, char *buf,
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int pps_id)
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{
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char *bp;
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char data;
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int i, bpp;
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char *dbgbp;
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dbgbp = buf;
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bp = buf;
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/* First 7 bytes are cmd header */
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*bp++ = 0x0A;
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*bp++ = 1;
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*bp++ = 0;
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*bp++ = 0;
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*bp++ = dsc->pps_delay_ms;
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*bp++ = 0;
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*bp++ = 128;
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*bp++ = (dsc->version & 0xff); /* pps0 */
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*bp++ = (pps_id & 0xff); /* pps1 */
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bp++; /* pps2, reserved */
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data = dsc->line_buf_depth & 0x0f;
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data |= ((dsc->bpc & 0xf) << 4);
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*bp++ = data; /* pps3 */
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bpp = dsc->bpp;
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bpp <<= 4; /* 4 fraction bits */
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data = (bpp >> 8);
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data &= 0x03; /* upper two bits */
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data |= ((dsc->block_pred_enable & 0x1) << 5);
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data |= ((dsc->convert_rgb & 0x1) << 4);
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data |= ((dsc->enable_422 & 0x1) << 3);
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data |= ((dsc->vbr_enable & 0x1) << 2);
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*bp++ = data; /* pps4 */
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*bp++ = (bpp & 0xff); /* pps5 */
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*bp++ = ((dsc->pic_height >> 8) & 0xff); /* pps6 */
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*bp++ = (dsc->pic_height & 0x0ff); /* pps7 */
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*bp++ = ((dsc->pic_width >> 8) & 0xff); /* pps8 */
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*bp++ = (dsc->pic_width & 0x0ff); /* pps9 */
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*bp++ = ((dsc->slice_height >> 8) & 0xff);/* pps10 */
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*bp++ = (dsc->slice_height & 0x0ff); /* pps11 */
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*bp++ = ((dsc->slice_width >> 8) & 0xff); /* pps12 */
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*bp++ = (dsc->slice_width & 0x0ff); /* pps13 */
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*bp++ = ((dsc->chunk_size >> 8) & 0xff);/* pps14 */
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*bp++ = (dsc->chunk_size & 0x0ff); /* pps15 */
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*bp++ = (dsc->initial_xmit_delay >> 8) & 0x3; /* pps16, bit 0, 1 */
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*bp++ = (dsc->initial_xmit_delay & 0xff);/* pps17 */
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*bp++ = ((dsc->initial_dec_delay >> 8) & 0xff); /* pps18 */
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*bp++ = (dsc->initial_dec_delay & 0xff);/* pps19 */
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bp++; /* pps20, reserved */
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*bp++ = (dsc->initial_scale_value & 0x3f); /* pps21 */
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*bp++ = ((dsc->scale_increment_interval >> 8) & 0xff); /* pps22 */
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*bp++ = (dsc->scale_increment_interval & 0xff); /* pps23 */
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*bp++ = ((dsc->scale_decrement_interval >> 8) & 0xf); /* pps24 */
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*bp++ = (dsc->scale_decrement_interval & 0x0ff);/* pps25 */
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bp++; /* pps26, reserved */
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*bp++ = (dsc->first_line_bpg_offset & 0x1f);/* pps27 */
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*bp++ = ((dsc->nfl_bpg_offset >> 8) & 0xff);/* pps28 */
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*bp++ = (dsc->nfl_bpg_offset & 0x0ff); /* pps29 */
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*bp++ = ((dsc->slice_bpg_offset >> 8) & 0xff);/* pps30 */
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*bp++ = (dsc->slice_bpg_offset & 0x0ff);/* pps31 */
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*bp++ = ((dsc->initial_offset >> 8) & 0xff);/* pps32 */
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*bp++ = (dsc->initial_offset & 0x0ff); /* pps33 */
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*bp++ = ((dsc->final_offset >> 8) & 0xff);/* pps34 */
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*bp++ = (dsc->final_offset & 0x0ff); /* pps35 */
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*bp++ = (dsc->min_qp_flatness & 0x1f); /* pps36 */
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*bp++ = (dsc->max_qp_flatness & 0x1f); /* pps37 */
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*bp++ = ((dsc->rc_model_size >> 8) & 0xff);/* pps38 */
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*bp++ = (dsc->rc_model_size & 0x0ff); /* pps39 */
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*bp++ = (dsc->edge_factor & 0x0f); /* pps40 */
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*bp++ = (dsc->quant_incr_limit0 & 0x1f); /* pps41 */
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*bp++ = (dsc->quant_incr_limit1 & 0x1f); /* pps42 */
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data = ((dsc->tgt_offset_hi & 0xf) << 4);
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data |= (dsc->tgt_offset_lo & 0x0f);
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*bp++ = data; /* pps43 */
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for (i = 0; i < 14; i++)
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*bp++ = (dsc->buf_thresh[i] & 0xff); /* pps44 - pps57 */
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for (i = 0; i < 15; i++) { /* pps58 - pps87 */
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data = (dsc->range_min_qp[i] & 0x1f);
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data <<= 3;
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data |= ((dsc->range_max_qp[i] >> 2) & 0x07);
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*bp++ = data;
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data = (dsc->range_max_qp[i] & 0x03);
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data <<= 6;
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data |= (dsc->range_bpg_offset[i] & 0x3f);
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*bp++ = data;
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}
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return 128;
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}
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static int dsi_panel_vreg_get(struct dsi_panel *panel)
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{
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int rc = 0;
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int i;
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struct regulator *vreg = NULL;
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for (i = 0; i < panel->power_info.count; i++) {
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vreg = devm_regulator_get(panel->parent,
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panel->power_info.vregs[i].vreg_name);
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rc = PTR_RET(vreg);
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if (rc) {
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DSI_ERR("failed to get %s regulator\n",
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panel->power_info.vregs[i].vreg_name);
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goto error_put;
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}
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panel->power_info.vregs[i].vreg = vreg;
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}
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return rc;
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error_put:
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for (i = i - 1; i >= 0; i--) {
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devm_regulator_put(panel->power_info.vregs[i].vreg);
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panel->power_info.vregs[i].vreg = NULL;
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}
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return rc;
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}
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static int dsi_panel_vreg_put(struct dsi_panel *panel)
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{
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int rc = 0;
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int i;
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for (i = panel->power_info.count - 1; i >= 0; i--)
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devm_regulator_put(panel->power_info.vregs[i].vreg);
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return rc;
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}
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static int dsi_panel_gpio_request(struct dsi_panel *panel)
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{
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int rc = 0;
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struct dsi_panel_reset_config *r_config = &panel->reset_config;
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if (gpio_is_valid(r_config->reset_gpio)) {
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rc = gpio_request(r_config->reset_gpio, "reset_gpio");
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if (rc) {
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DSI_ERR("request for reset_gpio failed, rc=%d\n", rc);
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goto error;
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}
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}
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if (gpio_is_valid(r_config->disp_en_gpio)) {
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rc = gpio_request(r_config->disp_en_gpio, "disp_en_gpio");
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if (rc) {
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DSI_ERR("request for disp_en_gpio failed, rc=%d\n", rc);
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goto error_release_reset;
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}
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}
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if (gpio_is_valid(panel->bl_config.en_gpio)) {
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rc = gpio_request(panel->bl_config.en_gpio, "bklt_en_gpio");
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if (rc) {
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DSI_ERR("request for bklt_en_gpio failed, rc=%d\n", rc);
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goto error_release_disp_en;
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}
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}
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if (gpio_is_valid(r_config->lcd_mode_sel_gpio)) {
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rc = gpio_request(r_config->lcd_mode_sel_gpio, "mode_gpio");
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if (rc) {
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DSI_ERR("request for mode_gpio failed, rc=%d\n", rc);
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goto error_release_mode_sel;
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}
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}
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if (gpio_is_valid(panel->panel_test_gpio)) {
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rc = gpio_request(panel->panel_test_gpio, "panel_test_gpio");
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if (rc) {
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DSI_WARN("request for panel_test_gpio failed, rc=%d\n",
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rc);
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panel->panel_test_gpio = -1;
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rc = 0;
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}
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}
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goto error;
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error_release_mode_sel:
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if (gpio_is_valid(panel->bl_config.en_gpio))
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gpio_free(panel->bl_config.en_gpio);
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error_release_disp_en:
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if (gpio_is_valid(r_config->disp_en_gpio))
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gpio_free(r_config->disp_en_gpio);
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error_release_reset:
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if (gpio_is_valid(r_config->reset_gpio))
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gpio_free(r_config->reset_gpio);
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error:
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return rc;
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}
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static int dsi_panel_gpio_release(struct dsi_panel *panel)
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{
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int rc = 0;
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struct dsi_panel_reset_config *r_config = &panel->reset_config;
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if (gpio_is_valid(r_config->reset_gpio))
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gpio_free(r_config->reset_gpio);
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if (gpio_is_valid(r_config->disp_en_gpio))
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gpio_free(r_config->disp_en_gpio);
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if (gpio_is_valid(panel->bl_config.en_gpio))
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gpio_free(panel->bl_config.en_gpio);
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if (gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio))
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gpio_free(panel->reset_config.lcd_mode_sel_gpio);
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if (gpio_is_valid(panel->panel_test_gpio))
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gpio_free(panel->panel_test_gpio);
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return rc;
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}
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int dsi_panel_trigger_esd_attack(struct dsi_panel *panel)
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{
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struct dsi_panel_reset_config *r_config;
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if (!panel) {
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DSI_ERR("Invalid panel param\n");
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return -EINVAL;
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}
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r_config = &panel->reset_config;
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if (!r_config) {
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DSI_ERR("Invalid panel reset configuration\n");
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return -EINVAL;
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}
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if (gpio_is_valid(r_config->reset_gpio)) {
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gpio_set_value(r_config->reset_gpio, 0);
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DSI_INFO("GPIO pulled low to simulate ESD\n");
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return 0;
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}
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DSI_ERR("failed to pull down gpio\n");
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return -EINVAL;
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}
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static int dsi_panel_reset(struct dsi_panel *panel)
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{
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int rc = 0;
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struct dsi_panel_reset_config *r_config = &panel->reset_config;
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int i;
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if (gpio_is_valid(panel->reset_config.disp_en_gpio)) {
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rc = gpio_direction_output(panel->reset_config.disp_en_gpio, 1);
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if (rc) {
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DSI_ERR("unable to set dir for disp gpio rc=%d\n", rc);
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goto exit;
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}
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}
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if (r_config->count) {
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rc = gpio_direction_output(r_config->reset_gpio,
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r_config->sequence[0].level);
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if (rc) {
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DSI_ERR("unable to set dir for rst gpio rc=%d\n", rc);
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goto exit;
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}
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}
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for (i = 0; i < r_config->count; i++) {
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gpio_set_value(r_config->reset_gpio,
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r_config->sequence[i].level);
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if (r_config->sequence[i].sleep_ms)
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usleep_range(r_config->sequence[i].sleep_ms * 1000,
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(r_config->sequence[i].sleep_ms * 1000) + 100);
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}
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if (gpio_is_valid(panel->bl_config.en_gpio)) {
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rc = gpio_direction_output(panel->bl_config.en_gpio, 1);
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if (rc)
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DSI_ERR("unable to set dir for bklt gpio rc=%d\n", rc);
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}
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if (gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio)) {
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bool out = true;
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if ((panel->reset_config.mode_sel_state == MODE_SEL_DUAL_PORT)
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|| (panel->reset_config.mode_sel_state
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== MODE_GPIO_LOW))
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out = false;
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else if ((panel->reset_config.mode_sel_state
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== MODE_SEL_SINGLE_PORT) ||
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(panel->reset_config.mode_sel_state
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== MODE_GPIO_HIGH))
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out = true;
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rc = gpio_direction_output(
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panel->reset_config.lcd_mode_sel_gpio, out);
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if (rc)
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DSI_ERR("unable to set dir for mode gpio rc=%d\n", rc);
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}
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if (gpio_is_valid(panel->panel_test_gpio)) {
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rc = gpio_direction_input(panel->panel_test_gpio);
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if (rc)
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DSI_WARN("unable to set dir for panel test gpio rc=%d\n",
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rc);
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}
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exit:
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return rc;
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}
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static int dsi_panel_set_pinctrl_state(struct dsi_panel *panel, bool enable)
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{
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int rc = 0;
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struct pinctrl_state *state;
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if (panel->host_config.ext_bridge_mode)
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return 0;
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if (enable)
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state = panel->pinctrl.active;
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else
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state = panel->pinctrl.suspend;
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rc = pinctrl_select_state(panel->pinctrl.pinctrl, state);
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if (rc)
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DSI_ERR("[%s] failed to set pin state, rc=%d\n",
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panel->name, rc);
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return rc;
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|
}
|
|
|
|
|
|
static int dsi_panel_power_on(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
rc = dsi_pwr_enable_regulator(&panel->power_info, true);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to enable vregs, rc=%d\n",
|
|
panel->name, rc);
|
|
goto exit;
|
|
}
|
|
|
|
rc = dsi_panel_set_pinctrl_state(panel, true);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to set pinctrl, rc=%d\n", panel->name, rc);
|
|
goto error_disable_vregs;
|
|
}
|
|
|
|
rc = dsi_panel_reset(panel);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to reset panel, rc=%d\n", panel->name, rc);
|
|
goto error_disable_gpio;
|
|
}
|
|
|
|
goto exit;
|
|
|
|
error_disable_gpio:
|
|
if (gpio_is_valid(panel->reset_config.disp_en_gpio))
|
|
gpio_set_value(panel->reset_config.disp_en_gpio, 0);
|
|
|
|
if (gpio_is_valid(panel->bl_config.en_gpio))
|
|
gpio_set_value(panel->bl_config.en_gpio, 0);
|
|
|
|
(void)dsi_panel_set_pinctrl_state(panel, false);
|
|
|
|
error_disable_vregs:
|
|
(void)dsi_pwr_enable_regulator(&panel->power_info, false);
|
|
|
|
exit:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_power_off(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (gpio_is_valid(panel->reset_config.disp_en_gpio))
|
|
gpio_set_value(panel->reset_config.disp_en_gpio, 0);
|
|
|
|
if (gpio_is_valid(panel->reset_config.reset_gpio))
|
|
gpio_set_value(panel->reset_config.reset_gpio, 0);
|
|
|
|
if (gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio))
|
|
gpio_set_value(panel->reset_config.lcd_mode_sel_gpio, 0);
|
|
|
|
rc = dsi_panel_set_pinctrl_state(panel, false);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed set pinctrl state, rc=%d\n", panel->name,
|
|
rc);
|
|
}
|
|
|
|
rc = dsi_pwr_enable_regulator(&panel->power_info, false);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to enable vregs, rc=%d\n",
|
|
panel->name, rc);
|
|
|
|
return rc;
|
|
}
|
|
static int dsi_panel_tx_cmd_set(struct dsi_panel *panel,
|
|
enum dsi_cmd_set_type type)
|
|
{
|
|
int rc = 0, i = 0;
|
|
ssize_t len;
|
|
struct dsi_cmd_desc *cmds;
|
|
u32 count;
|
|
enum dsi_cmd_set_state state;
|
|
struct dsi_display_mode *mode;
|
|
const struct mipi_dsi_host_ops *ops = panel->host->ops;
|
|
|
|
if (!panel || !panel->cur_mode)
|
|
return -EINVAL;
|
|
|
|
mode = panel->cur_mode;
|
|
|
|
cmds = mode->priv_info->cmd_sets[type].cmds;
|
|
count = mode->priv_info->cmd_sets[type].count;
|
|
state = mode->priv_info->cmd_sets[type].state;
|
|
|
|
if (count == 0) {
|
|
DSI_DEBUG("[%s] No commands to be sent for state(%d)\n",
|
|
panel->name, type);
|
|
goto error;
|
|
}
|
|
|
|
for (i = 0; i < count; i++) {
|
|
if (state == DSI_CMD_SET_STATE_LP)
|
|
cmds->msg.flags |= MIPI_DSI_MSG_USE_LPM;
|
|
|
|
if (cmds->last_command)
|
|
cmds->msg.flags |= MIPI_DSI_MSG_LASTCOMMAND;
|
|
|
|
len = ops->transfer(panel->host, &cmds->msg);
|
|
if (len < 0) {
|
|
rc = len;
|
|
DSI_ERR("failed to set cmds(%d), rc=%d\n", type, rc);
|
|
goto error;
|
|
}
|
|
if (cmds->post_wait_ms)
|
|
usleep_range(cmds->post_wait_ms*1000,
|
|
((cmds->post_wait_ms*1000)+10));
|
|
cmds++;
|
|
}
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_pinctrl_deinit(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (panel->host_config.ext_bridge_mode)
|
|
return 0;
|
|
|
|
devm_pinctrl_put(panel->pinctrl.pinctrl);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_pinctrl_init(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (panel->host_config.ext_bridge_mode)
|
|
return 0;
|
|
|
|
/* TODO: pinctrl is defined in dsi dt node */
|
|
panel->pinctrl.pinctrl = devm_pinctrl_get(panel->parent);
|
|
if (IS_ERR_OR_NULL(panel->pinctrl.pinctrl)) {
|
|
rc = PTR_ERR(panel->pinctrl.pinctrl);
|
|
DSI_ERR("failed to get pinctrl, rc=%d\n", rc);
|
|
goto error;
|
|
}
|
|
|
|
panel->pinctrl.active = pinctrl_lookup_state(panel->pinctrl.pinctrl,
|
|
"panel_active");
|
|
if (IS_ERR_OR_NULL(panel->pinctrl.active)) {
|
|
rc = PTR_ERR(panel->pinctrl.active);
|
|
DSI_ERR("failed to get pinctrl active state, rc=%d\n", rc);
|
|
goto error;
|
|
}
|
|
|
|
panel->pinctrl.suspend =
|
|
pinctrl_lookup_state(panel->pinctrl.pinctrl, "panel_suspend");
|
|
|
|
if (IS_ERR_OR_NULL(panel->pinctrl.suspend)) {
|
|
rc = PTR_ERR(panel->pinctrl.suspend);
|
|
DSI_ERR("failed to get pinctrl suspend state, rc=%d\n", rc);
|
|
goto error;
|
|
}
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_wled_register(struct dsi_panel *panel,
|
|
struct dsi_backlight_config *bl)
|
|
{
|
|
struct backlight_device *bd;
|
|
|
|
bd = backlight_device_get_by_type(BACKLIGHT_RAW);
|
|
if (!bd) {
|
|
DSI_ERR("[%s] fail raw backlight register\n", panel->name);
|
|
return -EPROBE_DEFER;
|
|
}
|
|
|
|
bl->raw_bd = bd;
|
|
return 0;
|
|
}
|
|
|
|
static int dsi_panel_update_backlight(struct dsi_panel *panel,
|
|
u32 bl_lvl)
|
|
{
|
|
int rc = 0;
|
|
struct mipi_dsi_device *dsi;
|
|
|
|
if (!panel || (bl_lvl > 0xffff)) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
dsi = &panel->mipi_device;
|
|
|
|
rc = mipi_dsi_dcs_set_display_brightness(dsi, bl_lvl);
|
|
if (rc < 0)
|
|
DSI_ERR("failed to update dcs backlight:%d\n", bl_lvl);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_update_pwm_backlight(struct dsi_panel *panel,
|
|
u32 bl_lvl)
|
|
{
|
|
int rc = 0;
|
|
u32 duty = 0;
|
|
u32 period_ns = 0;
|
|
struct dsi_backlight_config *bl;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("Invalid Params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
bl = &panel->bl_config;
|
|
if (!bl->pwm_bl) {
|
|
DSI_ERR("pwm device not found\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
period_ns = bl->pwm_period_usecs * NSEC_PER_USEC;
|
|
duty = bl_lvl * period_ns;
|
|
duty /= bl->bl_max_level;
|
|
|
|
rc = pwm_config(bl->pwm_bl, duty, period_ns);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to change pwm config, rc=\n", panel->name,
|
|
rc);
|
|
goto error;
|
|
}
|
|
|
|
if (bl_lvl == 0 && bl->pwm_enabled) {
|
|
pwm_disable(bl->pwm_bl);
|
|
bl->pwm_enabled = false;
|
|
return 0;
|
|
}
|
|
|
|
if (!bl->pwm_enabled) {
|
|
rc = pwm_enable(bl->pwm_bl);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to enable pwm, rc=\n", panel->name,
|
|
rc);
|
|
goto error;
|
|
}
|
|
|
|
bl->pwm_enabled = true;
|
|
}
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_set_backlight(struct dsi_panel *panel, u32 bl_lvl)
|
|
{
|
|
int rc = 0;
|
|
struct dsi_backlight_config *bl = &panel->bl_config;
|
|
|
|
if (panel->host_config.ext_bridge_mode)
|
|
return 0;
|
|
|
|
DSI_DEBUG("backlight type:%d lvl:%d\n", bl->type, bl_lvl);
|
|
switch (bl->type) {
|
|
case DSI_BACKLIGHT_WLED:
|
|
rc = backlight_device_set_brightness(bl->raw_bd, bl_lvl);
|
|
break;
|
|
case DSI_BACKLIGHT_DCS:
|
|
rc = dsi_panel_update_backlight(panel, bl_lvl);
|
|
break;
|
|
case DSI_BACKLIGHT_EXTERNAL:
|
|
break;
|
|
case DSI_BACKLIGHT_PWM:
|
|
rc = dsi_panel_update_pwm_backlight(panel, bl_lvl);
|
|
break;
|
|
default:
|
|
DSI_ERR("Backlight type(%d) not supported\n", bl->type);
|
|
rc = -ENOTSUPP;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static u32 dsi_panel_get_brightness(struct dsi_backlight_config *bl)
|
|
{
|
|
u32 cur_bl_level;
|
|
struct backlight_device *bd = bl->raw_bd;
|
|
|
|
/* default the brightness level to 50% */
|
|
cur_bl_level = bl->bl_max_level >> 1;
|
|
|
|
switch (bl->type) {
|
|
case DSI_BACKLIGHT_WLED:
|
|
/* Try to query the backlight level from the backlight device */
|
|
if (bd->ops && bd->ops->get_brightness)
|
|
cur_bl_level = bd->ops->get_brightness(bd);
|
|
break;
|
|
case DSI_BACKLIGHT_DCS:
|
|
case DSI_BACKLIGHT_EXTERNAL:
|
|
case DSI_BACKLIGHT_PWM:
|
|
default:
|
|
/*
|
|
* Ideally, we should read the backlight level from the
|
|
* panel. For now, just set it default value.
|
|
*/
|
|
break;
|
|
}
|
|
|
|
DSI_DEBUG("cur_bl_level=%d\n", cur_bl_level);
|
|
return cur_bl_level;
|
|
}
|
|
|
|
void dsi_panel_bl_handoff(struct dsi_panel *panel)
|
|
{
|
|
struct dsi_backlight_config *bl = &panel->bl_config;
|
|
|
|
bl->bl_level = dsi_panel_get_brightness(bl);
|
|
}
|
|
|
|
static int dsi_panel_pwm_register(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
struct dsi_backlight_config *bl = &panel->bl_config;
|
|
|
|
bl->pwm_bl = devm_of_pwm_get(panel->parent, panel->panel_of_node, NULL);
|
|
if (IS_ERR_OR_NULL(bl->pwm_bl)) {
|
|
rc = PTR_ERR(bl->pwm_bl);
|
|
DSI_ERR("[%s] failed to request pwm, rc=%d\n", panel->name,
|
|
rc);
|
|
return rc;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dsi_panel_bl_register(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
struct dsi_backlight_config *bl = &panel->bl_config;
|
|
|
|
if (panel->host_config.ext_bridge_mode)
|
|
return 0;
|
|
|
|
switch (bl->type) {
|
|
case DSI_BACKLIGHT_WLED:
|
|
rc = dsi_panel_wled_register(panel, bl);
|
|
break;
|
|
case DSI_BACKLIGHT_DCS:
|
|
break;
|
|
case DSI_BACKLIGHT_EXTERNAL:
|
|
break;
|
|
case DSI_BACKLIGHT_PWM:
|
|
rc = dsi_panel_pwm_register(panel);
|
|
break;
|
|
default:
|
|
DSI_ERR("Backlight type(%d) not supported\n", bl->type);
|
|
rc = -ENOTSUPP;
|
|
goto error;
|
|
}
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static void dsi_panel_pwm_unregister(struct dsi_panel *panel)
|
|
{
|
|
struct dsi_backlight_config *bl = &panel->bl_config;
|
|
|
|
devm_pwm_put(panel->parent, bl->pwm_bl);
|
|
}
|
|
|
|
static int dsi_panel_bl_unregister(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
struct dsi_backlight_config *bl = &panel->bl_config;
|
|
|
|
if (panel->host_config.ext_bridge_mode)
|
|
return 0;
|
|
|
|
switch (bl->type) {
|
|
case DSI_BACKLIGHT_WLED:
|
|
break;
|
|
case DSI_BACKLIGHT_DCS:
|
|
break;
|
|
case DSI_BACKLIGHT_EXTERNAL:
|
|
break;
|
|
case DSI_BACKLIGHT_PWM:
|
|
dsi_panel_pwm_unregister(panel);
|
|
break;
|
|
default:
|
|
DSI_ERR("Backlight type(%d) not supported\n", bl->type);
|
|
rc = -ENOTSUPP;
|
|
goto error;
|
|
}
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_timing(struct dsi_mode_info *mode,
|
|
struct dsi_parser_utils *utils)
|
|
{
|
|
int rc = 0;
|
|
u64 tmp64 = 0;
|
|
struct dsi_display_mode *display_mode;
|
|
struct dsi_display_mode_priv_info *priv_info;
|
|
|
|
display_mode = container_of(mode, struct dsi_display_mode, timing);
|
|
|
|
priv_info = display_mode->priv_info;
|
|
|
|
rc = utils->read_u64(utils->data,
|
|
"qcom,mdss-dsi-panel-clockrate", &tmp64);
|
|
if (rc == -EOVERFLOW) {
|
|
tmp64 = 0;
|
|
rc = utils->read_u32(utils->data,
|
|
"qcom,mdss-dsi-panel-clockrate", (u32 *)&tmp64);
|
|
}
|
|
|
|
mode->clk_rate_hz = !rc ? tmp64 : 0;
|
|
display_mode->priv_info->clk_rate_hz = mode->clk_rate_hz;
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-mdp-transfer-time-us",
|
|
&mode->mdp_transfer_time_us);
|
|
if (!rc)
|
|
display_mode->priv_info->mdp_transfer_time_us =
|
|
mode->mdp_transfer_time_us;
|
|
else
|
|
display_mode->priv_info->mdp_transfer_time_us = 0;
|
|
|
|
rc = utils->read_u32(utils->data,
|
|
"qcom,mdss-dsi-panel-framerate",
|
|
&mode->refresh_rate);
|
|
if (rc) {
|
|
DSI_ERR("failed to read qcom,mdss-dsi-panel-framerate, rc=%d\n",
|
|
rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-panel-width",
|
|
&mode->h_active);
|
|
if (rc) {
|
|
DSI_ERR("failed to read qcom,mdss-dsi-panel-width, rc=%d\n",
|
|
rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data,
|
|
"qcom,mdss-dsi-h-front-porch",
|
|
&mode->h_front_porch);
|
|
if (rc) {
|
|
DSI_ERR("failed to read qcom,mdss-dsi-h-front-porch, rc=%d\n",
|
|
rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data,
|
|
"qcom,mdss-dsi-h-back-porch",
|
|
&mode->h_back_porch);
|
|
if (rc) {
|
|
DSI_ERR("failed to read qcom,mdss-dsi-h-back-porch, rc=%d\n",
|
|
rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data,
|
|
"qcom,mdss-dsi-h-pulse-width",
|
|
&mode->h_sync_width);
|
|
if (rc) {
|
|
DSI_ERR("failed to read qcom,mdss-dsi-h-pulse-width, rc=%d\n",
|
|
rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-h-sync-skew",
|
|
&mode->h_skew);
|
|
if (rc)
|
|
DSI_ERR("qcom,mdss-dsi-h-sync-skew is not defined, rc=%d\n",
|
|
rc);
|
|
|
|
DSI_DEBUG("panel horz active:%d front_portch:%d back_porch:%d sync_skew:%d\n",
|
|
mode->h_active, mode->h_front_porch, mode->h_back_porch,
|
|
mode->h_sync_width);
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-panel-height",
|
|
&mode->v_active);
|
|
if (rc) {
|
|
DSI_ERR("failed to read qcom,mdss-dsi-panel-height, rc=%d\n",
|
|
rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-v-back-porch",
|
|
&mode->v_back_porch);
|
|
if (rc) {
|
|
DSI_ERR("failed to read qcom,mdss-dsi-v-back-porch, rc=%d\n",
|
|
rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-v-front-porch",
|
|
&mode->v_front_porch);
|
|
if (rc) {
|
|
DSI_ERR("failed to read qcom,mdss-dsi-v-back-porch, rc=%d\n",
|
|
rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-v-pulse-width",
|
|
&mode->v_sync_width);
|
|
if (rc) {
|
|
DSI_ERR("failed to read qcom,mdss-dsi-v-pulse-width, rc=%d\n",
|
|
rc);
|
|
goto error;
|
|
}
|
|
DSI_DEBUG("panel vert active:%d front_portch:%d back_porch:%d pulse_width:%d\n",
|
|
mode->v_active, mode->v_front_porch, mode->v_back_porch,
|
|
mode->v_sync_width);
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_pixel_format(struct dsi_host_common_cfg *host,
|
|
struct dsi_parser_utils *utils,
|
|
const char *name)
|
|
{
|
|
int rc = 0;
|
|
u32 bpp = 0;
|
|
enum dsi_pixel_format fmt;
|
|
const char *packing;
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-bpp", &bpp);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to read qcom,mdss-dsi-bpp, rc=%d\n",
|
|
name, rc);
|
|
return rc;
|
|
}
|
|
|
|
host->bpp = bpp;
|
|
|
|
switch (bpp) {
|
|
case 3:
|
|
fmt = DSI_PIXEL_FORMAT_RGB111;
|
|
break;
|
|
case 8:
|
|
fmt = DSI_PIXEL_FORMAT_RGB332;
|
|
break;
|
|
case 12:
|
|
fmt = DSI_PIXEL_FORMAT_RGB444;
|
|
break;
|
|
case 16:
|
|
fmt = DSI_PIXEL_FORMAT_RGB565;
|
|
break;
|
|
case 18:
|
|
fmt = DSI_PIXEL_FORMAT_RGB666;
|
|
break;
|
|
case 24:
|
|
default:
|
|
fmt = DSI_PIXEL_FORMAT_RGB888;
|
|
break;
|
|
}
|
|
|
|
if (fmt == DSI_PIXEL_FORMAT_RGB666) {
|
|
packing = utils->get_property(utils->data,
|
|
"qcom,mdss-dsi-pixel-packing",
|
|
NULL);
|
|
if (packing && !strcmp(packing, "loose"))
|
|
fmt = DSI_PIXEL_FORMAT_RGB666_LOOSE;
|
|
}
|
|
|
|
host->dst_format = fmt;
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_lane_states(struct dsi_host_common_cfg *host,
|
|
struct dsi_parser_utils *utils,
|
|
const char *name)
|
|
{
|
|
int rc = 0;
|
|
bool lane_enabled;
|
|
u32 num_of_lanes = 0;
|
|
|
|
lane_enabled = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-lane-0-state");
|
|
host->data_lanes |= (lane_enabled ? DSI_DATA_LANE_0 : 0);
|
|
|
|
lane_enabled = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-lane-1-state");
|
|
host->data_lanes |= (lane_enabled ? DSI_DATA_LANE_1 : 0);
|
|
|
|
lane_enabled = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-lane-2-state");
|
|
host->data_lanes |= (lane_enabled ? DSI_DATA_LANE_2 : 0);
|
|
|
|
lane_enabled = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-lane-3-state");
|
|
host->data_lanes |= (lane_enabled ? DSI_DATA_LANE_3 : 0);
|
|
|
|
if (host->data_lanes & DSI_DATA_LANE_0)
|
|
num_of_lanes++;
|
|
if (host->data_lanes & DSI_DATA_LANE_1)
|
|
num_of_lanes++;
|
|
if (host->data_lanes & DSI_DATA_LANE_2)
|
|
num_of_lanes++;
|
|
if (host->data_lanes & DSI_DATA_LANE_3)
|
|
num_of_lanes++;
|
|
|
|
host->num_data_lanes = num_of_lanes;
|
|
|
|
if (host->data_lanes == 0) {
|
|
DSI_ERR("[%s] No data lanes are enabled, rc=%d\n", name, rc);
|
|
rc = -EINVAL;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_color_swap(struct dsi_host_common_cfg *host,
|
|
struct dsi_parser_utils *utils,
|
|
const char *name)
|
|
{
|
|
int rc = 0;
|
|
const char *swap_mode;
|
|
|
|
swap_mode = utils->get_property(utils->data,
|
|
"qcom,mdss-dsi-color-order", NULL);
|
|
if (swap_mode) {
|
|
if (!strcmp(swap_mode, "rgb_swap_rgb")) {
|
|
host->swap_mode = DSI_COLOR_SWAP_RGB;
|
|
} else if (!strcmp(swap_mode, "rgb_swap_rbg")) {
|
|
host->swap_mode = DSI_COLOR_SWAP_RBG;
|
|
} else if (!strcmp(swap_mode, "rgb_swap_brg")) {
|
|
host->swap_mode = DSI_COLOR_SWAP_BRG;
|
|
} else if (!strcmp(swap_mode, "rgb_swap_grb")) {
|
|
host->swap_mode = DSI_COLOR_SWAP_GRB;
|
|
} else if (!strcmp(swap_mode, "rgb_swap_gbr")) {
|
|
host->swap_mode = DSI_COLOR_SWAP_GBR;
|
|
} else {
|
|
DSI_ERR("[%s] Unrecognized color order-%s\n",
|
|
name, swap_mode);
|
|
rc = -EINVAL;
|
|
}
|
|
} else {
|
|
DSI_DEBUG("[%s] Falling back to default color order\n", name);
|
|
host->swap_mode = DSI_COLOR_SWAP_RGB;
|
|
}
|
|
|
|
/* bit swap on color channel is not defined in dt */
|
|
host->bit_swap_red = false;
|
|
host->bit_swap_green = false;
|
|
host->bit_swap_blue = false;
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_triggers(struct dsi_host_common_cfg *host,
|
|
struct dsi_parser_utils *utils,
|
|
const char *name)
|
|
{
|
|
const char *trig;
|
|
int rc = 0;
|
|
|
|
trig = utils->get_property(utils->data,
|
|
"qcom,mdss-dsi-mdp-trigger", NULL);
|
|
if (trig) {
|
|
if (!strcmp(trig, "none")) {
|
|
host->mdp_cmd_trigger = DSI_TRIGGER_NONE;
|
|
} else if (!strcmp(trig, "trigger_te")) {
|
|
host->mdp_cmd_trigger = DSI_TRIGGER_TE;
|
|
} else if (!strcmp(trig, "trigger_sw")) {
|
|
host->mdp_cmd_trigger = DSI_TRIGGER_SW;
|
|
} else if (!strcmp(trig, "trigger_sw_te")) {
|
|
host->mdp_cmd_trigger = DSI_TRIGGER_SW_TE;
|
|
} else {
|
|
DSI_ERR("[%s] Unrecognized mdp trigger type (%s)\n",
|
|
name, trig);
|
|
rc = -EINVAL;
|
|
}
|
|
|
|
} else {
|
|
DSI_DEBUG("[%s] Falling back to default MDP trigger\n",
|
|
name);
|
|
host->mdp_cmd_trigger = DSI_TRIGGER_SW;
|
|
}
|
|
|
|
trig = utils->get_property(utils->data,
|
|
"qcom,mdss-dsi-dma-trigger", NULL);
|
|
if (trig) {
|
|
if (!strcmp(trig, "none")) {
|
|
host->dma_cmd_trigger = DSI_TRIGGER_NONE;
|
|
} else if (!strcmp(trig, "trigger_te")) {
|
|
host->dma_cmd_trigger = DSI_TRIGGER_TE;
|
|
} else if (!strcmp(trig, "trigger_sw")) {
|
|
host->dma_cmd_trigger = DSI_TRIGGER_SW;
|
|
} else if (!strcmp(trig, "trigger_sw_seof")) {
|
|
host->dma_cmd_trigger = DSI_TRIGGER_SW_SEOF;
|
|
} else if (!strcmp(trig, "trigger_sw_te")) {
|
|
host->dma_cmd_trigger = DSI_TRIGGER_SW_TE;
|
|
} else {
|
|
DSI_ERR("[%s] Unrecognized mdp trigger type (%s)\n",
|
|
name, trig);
|
|
rc = -EINVAL;
|
|
}
|
|
|
|
} else {
|
|
DSI_DEBUG("[%s] Falling back to default MDP trigger\n", name);
|
|
host->dma_cmd_trigger = DSI_TRIGGER_SW;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-te-pin-select",
|
|
&host->te_mode);
|
|
if (rc) {
|
|
DSI_WARN("[%s] fallback to default te-pin-select\n", name);
|
|
host->te_mode = 1;
|
|
rc = 0;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_misc_host_config(struct dsi_host_common_cfg *host,
|
|
struct dsi_parser_utils *utils,
|
|
const char *name)
|
|
{
|
|
u32 val = 0;
|
|
int rc = 0;
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-t-clk-post", &val);
|
|
if (!rc) {
|
|
host->t_clk_post = val;
|
|
DSI_DEBUG("[%s] t_clk_post = %d\n", name, val);
|
|
}
|
|
|
|
val = 0;
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-t-clk-pre", &val);
|
|
if (!rc) {
|
|
host->t_clk_pre = val;
|
|
DSI_DEBUG("[%s] t_clk_pre = %d\n", name, val);
|
|
}
|
|
|
|
host->ignore_rx_eot = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-rx-eot-ignore");
|
|
|
|
host->append_tx_eot = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-tx-eot-append");
|
|
|
|
host->ext_bridge_mode = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-ext-bridge-mode");
|
|
|
|
host->force_hs_clk_lane = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-force-clock-lane-hs");
|
|
return 0;
|
|
}
|
|
|
|
static void dsi_panel_parse_split_link_config(struct dsi_host_common_cfg *host,
|
|
struct dsi_parser_utils *utils,
|
|
const char *name)
|
|
{
|
|
int rc = 0;
|
|
u32 val = 0;
|
|
bool supported = false;
|
|
struct dsi_split_link_config *split_link = &host->split_link;
|
|
|
|
supported = utils->read_bool(utils->data, "qcom,split-link-enabled");
|
|
|
|
if (!supported) {
|
|
DSI_DEBUG("[%s] Split link is not supported\n", name);
|
|
split_link->split_link_enabled = false;
|
|
return;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,sublinks-count", &val);
|
|
if (rc || val < 1) {
|
|
DSI_DEBUG("[%s] Using default sublinks count\n", name);
|
|
split_link->num_sublinks = 2;
|
|
} else {
|
|
split_link->num_sublinks = val;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,lanes-per-sublink", &val);
|
|
if (rc || val < 1) {
|
|
DSI_DEBUG("[%s] Using default lanes per sublink\n", name);
|
|
split_link->lanes_per_sublink = 2;
|
|
} else {
|
|
split_link->lanes_per_sublink = val;
|
|
}
|
|
|
|
DSI_DEBUG("[%s] Split link is supported %d-%d\n", name,
|
|
split_link->num_sublinks, split_link->lanes_per_sublink);
|
|
split_link->split_link_enabled = true;
|
|
}
|
|
|
|
static int dsi_panel_parse_host_config(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
|
|
rc = dsi_panel_parse_pixel_format(&panel->host_config, utils,
|
|
panel->name);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to get pixel format, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = dsi_panel_parse_lane_states(&panel->host_config, utils,
|
|
panel->name);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to parse lane states, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = dsi_panel_parse_color_swap(&panel->host_config, utils,
|
|
panel->name);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to parse color swap config, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = dsi_panel_parse_triggers(&panel->host_config, utils,
|
|
panel->name);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to parse triggers, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = dsi_panel_parse_misc_host_config(&panel->host_config, utils,
|
|
panel->name);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to parse misc host config, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
|
|
dsi_panel_parse_split_link_config(&panel->host_config, utils,
|
|
panel->name);
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_qsync_caps(struct dsi_panel *panel,
|
|
struct device_node *of_node)
|
|
{
|
|
int rc = 0;
|
|
u32 val = 0;
|
|
|
|
rc = of_property_read_u32(of_node,
|
|
"qcom,mdss-dsi-qsync-min-refresh-rate",
|
|
&val);
|
|
if (rc)
|
|
DSI_DEBUG("[%s] qsync min fps not defined rc:%d\n",
|
|
panel->name, rc);
|
|
|
|
panel->qsync_min_fps = val;
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_dyn_clk_caps(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
bool supported = false;
|
|
struct dsi_dyn_clk_caps *dyn_clk_caps = &panel->dyn_clk_caps;
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
const char *name = panel->name;
|
|
|
|
supported = utils->read_bool(utils->data, "qcom,dsi-dyn-clk-enable");
|
|
|
|
if (!supported) {
|
|
dyn_clk_caps->dyn_clk_support = false;
|
|
return rc;
|
|
}
|
|
|
|
dyn_clk_caps->bit_clk_list_len = utils->count_u32_elems(utils->data,
|
|
"qcom,dsi-dyn-clk-list");
|
|
|
|
if (dyn_clk_caps->bit_clk_list_len < 1) {
|
|
DSI_ERR("[%s] failed to get supported bit clk list\n", name);
|
|
return -EINVAL;
|
|
}
|
|
|
|
dyn_clk_caps->bit_clk_list = kcalloc(dyn_clk_caps->bit_clk_list_len,
|
|
sizeof(u32), GFP_KERNEL);
|
|
if (!dyn_clk_caps->bit_clk_list)
|
|
return -ENOMEM;
|
|
|
|
rc = utils->read_u32_array(utils->data, "qcom,dsi-dyn-clk-list",
|
|
dyn_clk_caps->bit_clk_list,
|
|
dyn_clk_caps->bit_clk_list_len);
|
|
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to parse supported bit clk list\n", name);
|
|
return -EINVAL;
|
|
}
|
|
|
|
dyn_clk_caps->dyn_clk_support = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dsi_panel_parse_dfps_caps(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
bool supported = false;
|
|
struct dsi_dfps_capabilities *dfps_caps = &panel->dfps_caps;
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
const char *name = panel->name;
|
|
const char *type;
|
|
u32 i;
|
|
|
|
supported = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-pan-enable-dynamic-fps");
|
|
|
|
if (!supported) {
|
|
DSI_DEBUG("[%s] DFPS is not supported\n", name);
|
|
dfps_caps->dfps_support = false;
|
|
return rc;
|
|
}
|
|
|
|
type = utils->get_property(utils->data,
|
|
"qcom,mdss-dsi-pan-fps-update", NULL);
|
|
if (!type) {
|
|
DSI_ERR("[%s] dfps type not defined\n", name);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
} else if (!strcmp(type, "dfps_suspend_resume_mode")) {
|
|
dfps_caps->type = DSI_DFPS_SUSPEND_RESUME;
|
|
} else if (!strcmp(type, "dfps_immediate_clk_mode")) {
|
|
dfps_caps->type = DSI_DFPS_IMMEDIATE_CLK;
|
|
} else if (!strcmp(type, "dfps_immediate_porch_mode_hfp")) {
|
|
dfps_caps->type = DSI_DFPS_IMMEDIATE_HFP;
|
|
} else if (!strcmp(type, "dfps_immediate_porch_mode_vfp")) {
|
|
dfps_caps->type = DSI_DFPS_IMMEDIATE_VFP;
|
|
} else {
|
|
DSI_ERR("[%s] dfps type is not recognized\n", name);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
dfps_caps->dfps_list_len = utils->count_u32_elems(utils->data,
|
|
"qcom,dsi-supported-dfps-list");
|
|
if (dfps_caps->dfps_list_len < 1) {
|
|
DSI_ERR("[%s] dfps refresh list not present\n", name);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
dfps_caps->dfps_list = kcalloc(dfps_caps->dfps_list_len, sizeof(u32),
|
|
GFP_KERNEL);
|
|
if (!dfps_caps->dfps_list) {
|
|
rc = -ENOMEM;
|
|
goto error;
|
|
}
|
|
|
|
rc = utils->read_u32_array(utils->data,
|
|
"qcom,dsi-supported-dfps-list",
|
|
dfps_caps->dfps_list,
|
|
dfps_caps->dfps_list_len);
|
|
if (rc) {
|
|
DSI_ERR("[%s] dfps refresh rate list parse failed\n", name);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
dfps_caps->dfps_support = true;
|
|
|
|
/* calculate max and min fps */
|
|
dfps_caps->max_refresh_rate = dfps_caps->dfps_list[0];
|
|
dfps_caps->min_refresh_rate = dfps_caps->dfps_list[0];
|
|
|
|
for (i = 1; i < dfps_caps->dfps_list_len; i++) {
|
|
if (dfps_caps->dfps_list[i] < dfps_caps->min_refresh_rate)
|
|
dfps_caps->min_refresh_rate = dfps_caps->dfps_list[i];
|
|
else if (dfps_caps->dfps_list[i] > dfps_caps->max_refresh_rate)
|
|
dfps_caps->max_refresh_rate = dfps_caps->dfps_list[i];
|
|
}
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_video_host_config(struct dsi_video_engine_cfg *cfg,
|
|
struct dsi_parser_utils *utils,
|
|
const char *name)
|
|
{
|
|
int rc = 0;
|
|
const char *traffic_mode;
|
|
u32 vc_id = 0;
|
|
u32 val = 0;
|
|
u32 line_no = 0;
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-h-sync-pulse", &val);
|
|
if (rc) {
|
|
DSI_DEBUG("[%s] fallback to default h-sync-pulse\n", name);
|
|
cfg->pulse_mode_hsa_he = false;
|
|
} else if (val == 1) {
|
|
cfg->pulse_mode_hsa_he = true;
|
|
} else if (val == 0) {
|
|
cfg->pulse_mode_hsa_he = false;
|
|
} else {
|
|
DSI_ERR("[%s] Unrecognized value for mdss-dsi-h-sync-pulse\n",
|
|
name);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
cfg->hfp_lp11_en = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-hfp-power-mode");
|
|
|
|
cfg->hbp_lp11_en = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-hbp-power-mode");
|
|
|
|
cfg->hsa_lp11_en = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-hsa-power-mode");
|
|
|
|
cfg->last_line_interleave_en = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-last-line-interleave");
|
|
|
|
cfg->eof_bllp_lp11_en = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-bllp-eof-power-mode");
|
|
|
|
cfg->bllp_lp11_en = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-bllp-power-mode");
|
|
|
|
cfg->force_clk_lane_hs = of_property_read_bool(utils->data,
|
|
"qcom,mdss-dsi-force-clock-lane-hs");
|
|
|
|
traffic_mode = utils->get_property(utils->data,
|
|
"qcom,mdss-dsi-traffic-mode",
|
|
NULL);
|
|
if (!traffic_mode) {
|
|
DSI_DEBUG("[%s] Falling back to default traffic mode\n", name);
|
|
cfg->traffic_mode = DSI_VIDEO_TRAFFIC_SYNC_PULSES;
|
|
} else if (!strcmp(traffic_mode, "non_burst_sync_pulse")) {
|
|
cfg->traffic_mode = DSI_VIDEO_TRAFFIC_SYNC_PULSES;
|
|
} else if (!strcmp(traffic_mode, "non_burst_sync_event")) {
|
|
cfg->traffic_mode = DSI_VIDEO_TRAFFIC_SYNC_START_EVENTS;
|
|
} else if (!strcmp(traffic_mode, "burst_mode")) {
|
|
cfg->traffic_mode = DSI_VIDEO_TRAFFIC_BURST_MODE;
|
|
} else {
|
|
DSI_ERR("[%s] Unrecognized traffic mode-%s\n", name,
|
|
traffic_mode);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-virtual-channel-id",
|
|
&vc_id);
|
|
if (rc) {
|
|
DSI_DEBUG("[%s] Fallback to default vc id\n", name);
|
|
cfg->vc_id = 0;
|
|
} else {
|
|
cfg->vc_id = vc_id;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-dma-schedule-line",
|
|
&line_no);
|
|
if (rc) {
|
|
DSI_DEBUG("[%s] set default dma scheduling line no\n", name);
|
|
cfg->dma_sched_line = 0x1;
|
|
/* do not fail since we have default value */
|
|
rc = 0;
|
|
} else {
|
|
cfg->dma_sched_line = line_no;
|
|
}
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_cmd_host_config(struct dsi_cmd_engine_cfg *cfg,
|
|
struct dsi_parser_utils *utils,
|
|
const char *name)
|
|
{
|
|
u32 val = 0;
|
|
int rc = 0;
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-wr-mem-start", &val);
|
|
if (rc) {
|
|
DSI_DEBUG("[%s] Fallback to default wr-mem-start\n", name);
|
|
cfg->wr_mem_start = 0x2C;
|
|
} else {
|
|
cfg->wr_mem_start = val;
|
|
}
|
|
|
|
val = 0;
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-wr-mem-continue",
|
|
&val);
|
|
if (rc) {
|
|
DSI_DEBUG("[%s] Fallback to default wr-mem-continue\n", name);
|
|
cfg->wr_mem_continue = 0x3C;
|
|
} else {
|
|
cfg->wr_mem_continue = val;
|
|
}
|
|
|
|
/* TODO: fix following */
|
|
cfg->max_cmd_packets_interleave = 0;
|
|
|
|
val = 0;
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-te-dcs-command",
|
|
&val);
|
|
if (rc) {
|
|
DSI_DEBUG("[%s] fallback to default te-dcs-cmd\n", name);
|
|
cfg->insert_dcs_command = true;
|
|
} else if (val == 1) {
|
|
cfg->insert_dcs_command = true;
|
|
} else if (val == 0) {
|
|
cfg->insert_dcs_command = false;
|
|
} else {
|
|
DSI_ERR("[%s] Unrecognized value for mdss-dsi-te-dcs-command\n",
|
|
name);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_panel_mode(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
bool panel_mode_switch_enabled;
|
|
enum dsi_op_mode panel_mode;
|
|
const char *mode;
|
|
|
|
mode = utils->get_property(utils->data,
|
|
"qcom,mdss-dsi-panel-type", NULL);
|
|
if (!mode) {
|
|
DSI_DEBUG("[%s] Fallback to default panel mode\n", panel->name);
|
|
panel_mode = DSI_OP_VIDEO_MODE;
|
|
} else if (!strcmp(mode, "dsi_video_mode")) {
|
|
panel_mode = DSI_OP_VIDEO_MODE;
|
|
} else if (!strcmp(mode, "dsi_cmd_mode")) {
|
|
panel_mode = DSI_OP_CMD_MODE;
|
|
} else {
|
|
DSI_ERR("[%s] Unrecognized panel type-%s\n", panel->name, mode);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
panel_mode_switch_enabled = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-panel-mode-switch");
|
|
|
|
DSI_DEBUG("%s: panel operating mode switch feature %s\n", __func__,
|
|
(panel_mode_switch_enabled ? "enabled" : "disabled"));
|
|
|
|
if (panel_mode == DSI_OP_VIDEO_MODE || panel_mode_switch_enabled) {
|
|
rc = dsi_panel_parse_video_host_config(&panel->video_config,
|
|
utils,
|
|
panel->name);
|
|
if (rc) {
|
|
DSI_ERR("[%s] Failed to parse video host cfg, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
if (panel_mode == DSI_OP_CMD_MODE || panel_mode_switch_enabled) {
|
|
rc = dsi_panel_parse_cmd_host_config(&panel->cmd_config,
|
|
utils,
|
|
panel->name);
|
|
if (rc) {
|
|
DSI_ERR("[%s] Failed to parse cmd host config, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
panel->panel_mode = panel_mode;
|
|
panel->panel_mode_switch_enabled = panel_mode_switch_enabled;
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_phy_props(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
u32 val = 0;
|
|
const char *str;
|
|
struct dsi_panel_phy_props *props = &panel->phy_props;
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
const char *name = panel->name;
|
|
|
|
rc = utils->read_u32(utils->data,
|
|
"qcom,mdss-pan-physical-width-dimension", &val);
|
|
if (rc) {
|
|
DSI_DEBUG("[%s] Physical panel width is not defined\n", name);
|
|
props->panel_width_mm = 0;
|
|
rc = 0;
|
|
} else {
|
|
props->panel_width_mm = val;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data,
|
|
"qcom,mdss-pan-physical-height-dimension",
|
|
&val);
|
|
if (rc) {
|
|
DSI_DEBUG("[%s] Physical panel height is not defined\n", name);
|
|
props->panel_height_mm = 0;
|
|
rc = 0;
|
|
} else {
|
|
props->panel_height_mm = val;
|
|
}
|
|
|
|
str = utils->get_property(utils->data,
|
|
"qcom,mdss-dsi-panel-orientation", NULL);
|
|
if (!str) {
|
|
props->rotation = DSI_PANEL_ROTATE_NONE;
|
|
} else if (!strcmp(str, "180")) {
|
|
props->rotation = DSI_PANEL_ROTATE_HV_FLIP;
|
|
} else if (!strcmp(str, "hflip")) {
|
|
props->rotation = DSI_PANEL_ROTATE_H_FLIP;
|
|
} else if (!strcmp(str, "vflip")) {
|
|
props->rotation = DSI_PANEL_ROTATE_V_FLIP;
|
|
} else {
|
|
DSI_ERR("[%s] Unrecognized panel rotation-%s\n", name, str);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
error:
|
|
return rc;
|
|
}
|
|
const char *cmd_set_prop_map[DSI_CMD_SET_MAX] = {
|
|
"qcom,mdss-dsi-pre-on-command",
|
|
"qcom,mdss-dsi-on-command",
|
|
"qcom,mdss-dsi-post-panel-on-command",
|
|
"qcom,mdss-dsi-pre-off-command",
|
|
"qcom,mdss-dsi-off-command",
|
|
"qcom,mdss-dsi-post-off-command",
|
|
"qcom,mdss-dsi-pre-res-switch",
|
|
"qcom,mdss-dsi-res-switch",
|
|
"qcom,mdss-dsi-post-res-switch",
|
|
"qcom,cmd-to-video-mode-switch-commands",
|
|
"qcom,cmd-to-video-mode-post-switch-commands",
|
|
"qcom,video-to-cmd-mode-switch-commands",
|
|
"qcom,video-to-cmd-mode-post-switch-commands",
|
|
"qcom,mdss-dsi-panel-status-command",
|
|
"qcom,mdss-dsi-lp1-command",
|
|
"qcom,mdss-dsi-lp2-command",
|
|
"qcom,mdss-dsi-nolp-command",
|
|
"PPS not parsed from DTSI, generated dynamically",
|
|
"ROI not parsed from DTSI, generated dynamically",
|
|
"qcom,mdss-dsi-timing-switch-command",
|
|
"qcom,mdss-dsi-post-mode-switch-on-command",
|
|
"qcom,mdss-dsi-qsync-on-commands",
|
|
"qcom,mdss-dsi-qsync-off-commands",
|
|
};
|
|
|
|
const char *cmd_set_state_map[DSI_CMD_SET_MAX] = {
|
|
"qcom,mdss-dsi-pre-on-command-state",
|
|
"qcom,mdss-dsi-on-command-state",
|
|
"qcom,mdss-dsi-post-on-command-state",
|
|
"qcom,mdss-dsi-pre-off-command-state",
|
|
"qcom,mdss-dsi-off-command-state",
|
|
"qcom,mdss-dsi-post-off-command-state",
|
|
"qcom,mdss-dsi-pre-res-switch-state",
|
|
"qcom,mdss-dsi-res-switch-state",
|
|
"qcom,mdss-dsi-post-res-switch-state",
|
|
"qcom,cmd-to-video-mode-switch-commands-state",
|
|
"qcom,cmd-to-video-mode-post-switch-commands-state",
|
|
"qcom,video-to-cmd-mode-switch-commands-state",
|
|
"qcom,video-to-cmd-mode-post-switch-commands-state",
|
|
"qcom,mdss-dsi-panel-status-command-state",
|
|
"qcom,mdss-dsi-lp1-command-state",
|
|
"qcom,mdss-dsi-lp2-command-state",
|
|
"qcom,mdss-dsi-nolp-command-state",
|
|
"PPS not parsed from DTSI, generated dynamically",
|
|
"ROI not parsed from DTSI, generated dynamically",
|
|
"qcom,mdss-dsi-timing-switch-command-state",
|
|
"qcom,mdss-dsi-post-mode-switch-on-command-state",
|
|
"qcom,mdss-dsi-qsync-on-commands-state",
|
|
"qcom,mdss-dsi-qsync-off-commands-state",
|
|
};
|
|
|
|
static int dsi_panel_get_cmd_pkt_count(const char *data, u32 length, u32 *cnt)
|
|
{
|
|
const u32 cmd_set_min_size = 7;
|
|
u32 count = 0;
|
|
u32 packet_length;
|
|
u32 tmp;
|
|
|
|
while (length >= cmd_set_min_size) {
|
|
packet_length = cmd_set_min_size;
|
|
tmp = ((data[5] << 8) | (data[6]));
|
|
packet_length += tmp;
|
|
if (packet_length > length) {
|
|
DSI_ERR("format error\n");
|
|
return -EINVAL;
|
|
}
|
|
length -= packet_length;
|
|
data += packet_length;
|
|
count++;
|
|
}
|
|
|
|
*cnt = count;
|
|
return 0;
|
|
}
|
|
|
|
static int dsi_panel_create_cmd_packets(const char *data,
|
|
u32 length,
|
|
u32 count,
|
|
struct dsi_cmd_desc *cmd)
|
|
{
|
|
int rc = 0;
|
|
int i, j;
|
|
u8 *payload;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
u32 size;
|
|
|
|
cmd[i].msg.type = data[0];
|
|
cmd[i].last_command = (data[1] == 1);
|
|
cmd[i].msg.channel = data[2];
|
|
cmd[i].msg.flags |= (data[3] == 1 ? MIPI_DSI_MSG_REQ_ACK : 0);
|
|
cmd[i].msg.ctrl = 0;
|
|
cmd[i].post_wait_ms = cmd[i].msg.wait_ms = data[4];
|
|
cmd[i].msg.tx_len = ((data[5] << 8) | (data[6]));
|
|
|
|
size = cmd[i].msg.tx_len * sizeof(u8);
|
|
|
|
payload = kzalloc(size, GFP_KERNEL);
|
|
if (!payload) {
|
|
rc = -ENOMEM;
|
|
goto error_free_payloads;
|
|
}
|
|
|
|
for (j = 0; j < cmd[i].msg.tx_len; j++)
|
|
payload[j] = data[7 + j];
|
|
|
|
cmd[i].msg.tx_buf = payload;
|
|
data += (7 + cmd[i].msg.tx_len);
|
|
}
|
|
|
|
return rc;
|
|
error_free_payloads:
|
|
for (i = i - 1; i >= 0; i--) {
|
|
cmd--;
|
|
kfree(cmd->msg.tx_buf);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void dsi_panel_destroy_cmd_packets(struct dsi_panel_cmd_set *set)
|
|
{
|
|
u32 i = 0;
|
|
struct dsi_cmd_desc *cmd;
|
|
|
|
for (i = 0; i < set->count; i++) {
|
|
cmd = &set->cmds[i];
|
|
kfree(cmd->msg.tx_buf);
|
|
}
|
|
}
|
|
|
|
static void dsi_panel_dealloc_cmd_packets(struct dsi_panel_cmd_set *set)
|
|
{
|
|
kfree(set->cmds);
|
|
}
|
|
|
|
static int dsi_panel_alloc_cmd_packets(struct dsi_panel_cmd_set *cmd,
|
|
u32 packet_count)
|
|
{
|
|
u32 size;
|
|
|
|
size = packet_count * sizeof(*cmd->cmds);
|
|
cmd->cmds = kzalloc(size, GFP_KERNEL);
|
|
if (!cmd->cmds)
|
|
return -ENOMEM;
|
|
|
|
cmd->count = packet_count;
|
|
return 0;
|
|
}
|
|
|
|
static int dsi_panel_parse_cmd_sets_sub(struct dsi_panel_cmd_set *cmd,
|
|
enum dsi_cmd_set_type type,
|
|
struct dsi_parser_utils *utils)
|
|
{
|
|
int rc = 0;
|
|
u32 length = 0;
|
|
const char *data;
|
|
const char *state;
|
|
u32 packet_count = 0;
|
|
|
|
data = utils->get_property(utils->data, cmd_set_prop_map[type],
|
|
&length);
|
|
if (!data) {
|
|
DSI_DEBUG("%s commands not defined\n", cmd_set_prop_map[type]);
|
|
rc = -ENOTSUPP;
|
|
goto error;
|
|
}
|
|
|
|
DSI_DEBUG("type=%d, name=%s, length=%d\n", type,
|
|
cmd_set_prop_map[type], length);
|
|
|
|
print_hex_dump_debug("", DUMP_PREFIX_NONE,
|
|
8, 1, data, length, false);
|
|
|
|
rc = dsi_panel_get_cmd_pkt_count(data, length, &packet_count);
|
|
if (rc) {
|
|
DSI_ERR("commands failed, rc=%d\n", rc);
|
|
goto error;
|
|
}
|
|
DSI_DEBUG("[%s] packet-count=%d, %d\n", cmd_set_prop_map[type],
|
|
packet_count, length);
|
|
|
|
rc = dsi_panel_alloc_cmd_packets(cmd, packet_count);
|
|
if (rc) {
|
|
DSI_ERR("failed to allocate cmd packets, rc=%d\n", rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = dsi_panel_create_cmd_packets(data, length, packet_count,
|
|
cmd->cmds);
|
|
if (rc) {
|
|
DSI_ERR("failed to create cmd packets, rc=%d\n", rc);
|
|
goto error_free_mem;
|
|
}
|
|
|
|
state = utils->get_property(utils->data, cmd_set_state_map[type], NULL);
|
|
if (!state || !strcmp(state, "dsi_lp_mode")) {
|
|
cmd->state = DSI_CMD_SET_STATE_LP;
|
|
} else if (!strcmp(state, "dsi_hs_mode")) {
|
|
cmd->state = DSI_CMD_SET_STATE_HS;
|
|
} else {
|
|
DSI_ERR("[%s] command state unrecognized-%s\n",
|
|
cmd_set_state_map[type], state);
|
|
goto error_free_mem;
|
|
}
|
|
|
|
return rc;
|
|
error_free_mem:
|
|
kfree(cmd->cmds);
|
|
cmd->cmds = NULL;
|
|
error:
|
|
return rc;
|
|
|
|
}
|
|
|
|
static int dsi_panel_parse_cmd_sets(
|
|
struct dsi_display_mode_priv_info *priv_info,
|
|
struct dsi_parser_utils *utils)
|
|
{
|
|
int rc = 0;
|
|
struct dsi_panel_cmd_set *set;
|
|
u32 i;
|
|
|
|
if (!priv_info) {
|
|
DSI_ERR("invalid mode priv info\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
for (i = DSI_CMD_SET_PRE_ON; i < DSI_CMD_SET_MAX; i++) {
|
|
set = &priv_info->cmd_sets[i];
|
|
set->type = i;
|
|
set->count = 0;
|
|
|
|
if (i == DSI_CMD_SET_PPS) {
|
|
rc = dsi_panel_alloc_cmd_packets(set, 1);
|
|
if (rc)
|
|
DSI_ERR("failed to allocate cmd set %d, rc = %d\n",
|
|
i, rc);
|
|
set->state = DSI_CMD_SET_STATE_LP;
|
|
} else {
|
|
rc = dsi_panel_parse_cmd_sets_sub(set, i, utils);
|
|
if (rc)
|
|
DSI_DEBUG("failed to parse set %d\n", i);
|
|
}
|
|
}
|
|
|
|
rc = 0;
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_reset_sequence(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
int i;
|
|
u32 length = 0;
|
|
u32 count = 0;
|
|
u32 size = 0;
|
|
u32 *arr_32 = NULL;
|
|
const u32 *arr;
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
struct dsi_reset_seq *seq;
|
|
|
|
if (panel->host_config.ext_bridge_mode)
|
|
return 0;
|
|
|
|
arr = utils->get_property(utils->data,
|
|
"qcom,mdss-dsi-reset-sequence", &length);
|
|
if (!arr) {
|
|
DSI_ERR("[%s] dsi-reset-sequence not found\n", panel->name);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
if (length & 0x1) {
|
|
DSI_ERR("[%s] syntax error for dsi-reset-sequence\n",
|
|
panel->name);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
DSI_DEBUG("RESET SEQ LENGTH = %d\n", length);
|
|
length = length / sizeof(u32);
|
|
|
|
size = length * sizeof(u32);
|
|
|
|
arr_32 = kzalloc(size, GFP_KERNEL);
|
|
if (!arr_32) {
|
|
rc = -ENOMEM;
|
|
goto error;
|
|
}
|
|
|
|
rc = utils->read_u32_array(utils->data, "qcom,mdss-dsi-reset-sequence",
|
|
arr_32, length);
|
|
if (rc) {
|
|
DSI_ERR("[%s] cannot read dso-reset-seqience\n", panel->name);
|
|
goto error_free_arr_32;
|
|
}
|
|
|
|
count = length / 2;
|
|
size = count * sizeof(*seq);
|
|
seq = kzalloc(size, GFP_KERNEL);
|
|
if (!seq) {
|
|
rc = -ENOMEM;
|
|
goto error_free_arr_32;
|
|
}
|
|
|
|
panel->reset_config.sequence = seq;
|
|
panel->reset_config.count = count;
|
|
|
|
for (i = 0; i < length; i += 2) {
|
|
seq->level = arr_32[i];
|
|
seq->sleep_ms = arr_32[i + 1];
|
|
seq++;
|
|
}
|
|
|
|
|
|
error_free_arr_32:
|
|
kfree(arr_32);
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_misc_features(struct dsi_panel *panel)
|
|
{
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
|
|
panel->ulps_feature_enabled =
|
|
utils->read_bool(utils->data, "qcom,ulps-enabled");
|
|
|
|
DSI_DEBUG("%s: ulps feature %s\n", __func__,
|
|
(panel->ulps_feature_enabled ? "enabled" : "disabled"));
|
|
|
|
panel->ulps_suspend_enabled =
|
|
utils->read_bool(utils->data, "qcom,suspend-ulps-enabled");
|
|
|
|
DSI_DEBUG("%s: ulps during suspend feature %s\n", __func__,
|
|
(panel->ulps_suspend_enabled ? "enabled" : "disabled"));
|
|
|
|
panel->te_using_watchdog_timer = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-te-using-wd");
|
|
|
|
panel->sync_broadcast_en = utils->read_bool(utils->data,
|
|
"qcom,cmd-sync-wait-broadcast");
|
|
|
|
panel->lp11_init = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-lp11-init");
|
|
return 0;
|
|
}
|
|
|
|
static int dsi_panel_parse_jitter_config(
|
|
struct dsi_display_mode *mode,
|
|
struct dsi_parser_utils *utils)
|
|
{
|
|
int rc;
|
|
struct dsi_display_mode_priv_info *priv_info;
|
|
u32 jitter[DEFAULT_PANEL_JITTER_ARRAY_SIZE] = {0, 0};
|
|
u64 jitter_val = 0;
|
|
|
|
priv_info = mode->priv_info;
|
|
|
|
rc = utils->read_u32_array(utils->data, "qcom,mdss-dsi-panel-jitter",
|
|
jitter, DEFAULT_PANEL_JITTER_ARRAY_SIZE);
|
|
if (rc) {
|
|
DSI_DEBUG("panel jitter not defined rc=%d\n", rc);
|
|
} else {
|
|
jitter_val = jitter[0];
|
|
jitter_val = div_u64(jitter_val, jitter[1]);
|
|
}
|
|
|
|
if (rc || !jitter_val || (jitter_val > MAX_PANEL_JITTER)) {
|
|
priv_info->panel_jitter_numer = DEFAULT_PANEL_JITTER_NUMERATOR;
|
|
priv_info->panel_jitter_denom =
|
|
DEFAULT_PANEL_JITTER_DENOMINATOR;
|
|
} else {
|
|
priv_info->panel_jitter_numer = jitter[0];
|
|
priv_info->panel_jitter_denom = jitter[1];
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-panel-prefill-lines",
|
|
&priv_info->panel_prefill_lines);
|
|
if (rc) {
|
|
DSI_DEBUG("panel prefill lines are not defined rc=%d\n", rc);
|
|
priv_info->panel_prefill_lines = mode->timing.v_back_porch +
|
|
mode->timing.v_sync_width + mode->timing.v_front_porch;
|
|
} else if (priv_info->panel_prefill_lines >=
|
|
DSI_V_TOTAL(&mode->timing)) {
|
|
DSI_DEBUG("invalid prefill lines config=%d setting to:%d\n",
|
|
priv_info->panel_prefill_lines, DEFAULT_PANEL_PREFILL_LINES);
|
|
|
|
priv_info->panel_prefill_lines = DEFAULT_PANEL_PREFILL_LINES;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dsi_panel_parse_power_cfg(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
char *supply_name;
|
|
|
|
if (panel->host_config.ext_bridge_mode)
|
|
return 0;
|
|
|
|
if (!strcmp(panel->type, "primary"))
|
|
supply_name = "qcom,panel-supply-entries";
|
|
else
|
|
supply_name = "qcom,panel-sec-supply-entries";
|
|
|
|
rc = dsi_pwr_of_get_vreg_data(&panel->utils,
|
|
&panel->power_info, supply_name);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to parse vregs\n", panel->name);
|
|
goto error;
|
|
}
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_gpios(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
const char *data;
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
char *reset_gpio_name, *mode_set_gpio_name;
|
|
|
|
if (!strcmp(panel->type, "primary")) {
|
|
reset_gpio_name = "qcom,platform-reset-gpio";
|
|
mode_set_gpio_name = "qcom,panel-mode-gpio";
|
|
} else {
|
|
reset_gpio_name = "qcom,platform-sec-reset-gpio";
|
|
mode_set_gpio_name = "qcom,panel-sec-mode-gpio";
|
|
}
|
|
|
|
panel->reset_config.reset_gpio = utils->get_named_gpio(utils->data,
|
|
reset_gpio_name, 0);
|
|
if (!gpio_is_valid(panel->reset_config.reset_gpio) &&
|
|
!panel->host_config.ext_bridge_mode) {
|
|
rc = panel->reset_config.reset_gpio;
|
|
DSI_ERR("[%s] failed get reset gpio, rc=%d\n", panel->name, rc);
|
|
goto error;
|
|
}
|
|
|
|
panel->reset_config.disp_en_gpio = utils->get_named_gpio(utils->data,
|
|
"qcom,5v-boost-gpio",
|
|
0);
|
|
if (!gpio_is_valid(panel->reset_config.disp_en_gpio)) {
|
|
DSI_DEBUG("[%s] 5v-boot-gpio is not set, rc=%d\n",
|
|
panel->name, rc);
|
|
panel->reset_config.disp_en_gpio =
|
|
utils->get_named_gpio(utils->data,
|
|
"qcom,platform-en-gpio", 0);
|
|
if (!gpio_is_valid(panel->reset_config.disp_en_gpio)) {
|
|
DSI_DEBUG("[%s] platform-en-gpio is not set, rc=%d\n",
|
|
panel->name, rc);
|
|
}
|
|
}
|
|
|
|
panel->reset_config.lcd_mode_sel_gpio = utils->get_named_gpio(
|
|
utils->data, mode_set_gpio_name, 0);
|
|
if (!gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio))
|
|
DSI_DEBUG("mode gpio not specified\n");
|
|
|
|
DSI_DEBUG("mode gpio=%d\n", panel->reset_config.lcd_mode_sel_gpio);
|
|
|
|
data = utils->get_property(utils->data,
|
|
"qcom,mdss-dsi-mode-sel-gpio-state", NULL);
|
|
if (data) {
|
|
if (!strcmp(data, "single_port"))
|
|
panel->reset_config.mode_sel_state =
|
|
MODE_SEL_SINGLE_PORT;
|
|
else if (!strcmp(data, "dual_port"))
|
|
panel->reset_config.mode_sel_state =
|
|
MODE_SEL_DUAL_PORT;
|
|
else if (!strcmp(data, "high"))
|
|
panel->reset_config.mode_sel_state =
|
|
MODE_GPIO_HIGH;
|
|
else if (!strcmp(data, "low"))
|
|
panel->reset_config.mode_sel_state =
|
|
MODE_GPIO_LOW;
|
|
} else {
|
|
/* Set default mode as SPLIT mode */
|
|
panel->reset_config.mode_sel_state = MODE_SEL_DUAL_PORT;
|
|
}
|
|
|
|
/* TODO: release memory */
|
|
rc = dsi_panel_parse_reset_sequence(panel);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to parse reset sequence, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
|
|
panel->panel_test_gpio = utils->get_named_gpio(utils->data,
|
|
"qcom,mdss-dsi-panel-test-pin",
|
|
0);
|
|
if (!gpio_is_valid(panel->panel_test_gpio))
|
|
DSI_DEBUG("%s:%d panel test gpio not specified\n", __func__,
|
|
__LINE__);
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_bl_pwm_config(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
u32 val;
|
|
struct dsi_backlight_config *config = &panel->bl_config;
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,bl-pmic-pwm-period-usecs",
|
|
&val);
|
|
if (rc) {
|
|
DSI_ERR("bl-pmic-pwm-period-usecs is not defined, rc=%d\n", rc);
|
|
goto error;
|
|
}
|
|
config->pwm_period_usecs = val;
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_bl_config(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
u32 val = 0;
|
|
const char *bl_type;
|
|
const char *data;
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
char *bl_name;
|
|
|
|
if (!strcmp(panel->type, "primary"))
|
|
bl_name = "qcom,mdss-dsi-bl-pmic-control-type";
|
|
else
|
|
bl_name = "qcom,mdss-dsi-sec-bl-pmic-control-type";
|
|
|
|
bl_type = utils->get_property(utils->data, bl_name, NULL);
|
|
if (!bl_type) {
|
|
panel->bl_config.type = DSI_BACKLIGHT_UNKNOWN;
|
|
} else if (!strcmp(bl_type, "bl_ctrl_pwm")) {
|
|
panel->bl_config.type = DSI_BACKLIGHT_PWM;
|
|
} else if (!strcmp(bl_type, "bl_ctrl_wled")) {
|
|
panel->bl_config.type = DSI_BACKLIGHT_WLED;
|
|
} else if (!strcmp(bl_type, "bl_ctrl_dcs")) {
|
|
panel->bl_config.type = DSI_BACKLIGHT_DCS;
|
|
} else if (!strcmp(bl_type, "bl_ctrl_external")) {
|
|
panel->bl_config.type = DSI_BACKLIGHT_EXTERNAL;
|
|
} else {
|
|
DSI_DEBUG("[%s] bl-pmic-control-type unknown-%s\n",
|
|
panel->name, bl_type);
|
|
panel->bl_config.type = DSI_BACKLIGHT_UNKNOWN;
|
|
}
|
|
|
|
data = utils->get_property(utils->data, "qcom,bl-update-flag", NULL);
|
|
if (!data) {
|
|
panel->bl_config.bl_update = BL_UPDATE_NONE;
|
|
} else if (!strcmp(data, "delay_until_first_frame")) {
|
|
panel->bl_config.bl_update = BL_UPDATE_DELAY_UNTIL_FIRST_FRAME;
|
|
} else {
|
|
DSI_DEBUG("[%s] No valid bl-update-flag: %s\n",
|
|
panel->name, data);
|
|
panel->bl_config.bl_update = BL_UPDATE_NONE;
|
|
}
|
|
|
|
panel->bl_config.bl_scale = MAX_BL_SCALE_LEVEL;
|
|
panel->bl_config.bl_scale_sv = MAX_SV_BL_SCALE_LEVEL;
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-bl-min-level", &val);
|
|
if (rc) {
|
|
DSI_DEBUG("[%s] bl-min-level unspecified, defaulting to zero\n",
|
|
panel->name);
|
|
panel->bl_config.bl_min_level = 0;
|
|
} else {
|
|
panel->bl_config.bl_min_level = val;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-bl-max-level", &val);
|
|
if (rc) {
|
|
DSI_DEBUG("[%s] bl-max-level unspecified, defaulting to max level\n",
|
|
panel->name);
|
|
panel->bl_config.bl_max_level = MAX_BL_LEVEL;
|
|
} else {
|
|
panel->bl_config.bl_max_level = val;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-brightness-max-level",
|
|
&val);
|
|
if (rc) {
|
|
DSI_DEBUG("[%s] brigheness-max-level unspecified, defaulting to 255\n",
|
|
panel->name);
|
|
panel->bl_config.brightness_max_level = 255;
|
|
} else {
|
|
panel->bl_config.brightness_max_level = val;
|
|
}
|
|
|
|
if (panel->bl_config.type == DSI_BACKLIGHT_PWM) {
|
|
rc = dsi_panel_parse_bl_pwm_config(panel);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to parse pwm config, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
panel->bl_config.en_gpio = utils->get_named_gpio(utils->data,
|
|
"qcom,platform-bklight-en-gpio",
|
|
0);
|
|
if (!gpio_is_valid(panel->bl_config.en_gpio)) {
|
|
if (panel->bl_config.en_gpio == -EPROBE_DEFER) {
|
|
DSI_DEBUG("[%s] failed to get bklt gpio, rc=%d\n",
|
|
panel->name, rc);
|
|
rc = -EPROBE_DEFER;
|
|
goto error;
|
|
} else {
|
|
DSI_DEBUG("[%s] failed to get bklt gpio, rc=%d\n",
|
|
panel->name, rc);
|
|
rc = 0;
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
void dsi_dsc_pclk_param_calc(struct msm_display_dsc_info *dsc, int intf_width)
|
|
{
|
|
int slice_per_pkt, slice_per_intf;
|
|
int bytes_in_slice, total_bytes_per_intf;
|
|
|
|
if (!dsc || !dsc->slice_width || !dsc->slice_per_pkt ||
|
|
(intf_width < dsc->slice_width)) {
|
|
DSI_ERR("invalid input, intf_width=%d slice_width=%d\n",
|
|
intf_width, dsc ? dsc->slice_width : -1);
|
|
return;
|
|
}
|
|
|
|
slice_per_pkt = dsc->slice_per_pkt;
|
|
slice_per_intf = DIV_ROUND_UP(intf_width, dsc->slice_width);
|
|
|
|
/*
|
|
* If slice_per_pkt is greater than slice_per_intf then default to 1.
|
|
* This can happen during partial update.
|
|
*/
|
|
if (slice_per_pkt > slice_per_intf)
|
|
slice_per_pkt = 1;
|
|
|
|
bytes_in_slice = DIV_ROUND_UP(dsc->slice_width * dsc->bpp, 8);
|
|
total_bytes_per_intf = bytes_in_slice * slice_per_intf;
|
|
|
|
dsc->eol_byte_num = total_bytes_per_intf % 3;
|
|
dsc->pclk_per_line = DIV_ROUND_UP(total_bytes_per_intf, 3);
|
|
dsc->bytes_in_slice = bytes_in_slice;
|
|
dsc->bytes_per_pkt = bytes_in_slice * slice_per_pkt;
|
|
dsc->pkt_per_line = slice_per_intf / slice_per_pkt;
|
|
}
|
|
|
|
|
|
int dsi_dsc_populate_static_param(struct msm_display_dsc_info *dsc)
|
|
{
|
|
int bpp, bpc;
|
|
int mux_words_size;
|
|
int groups_per_line, groups_total;
|
|
int min_rate_buffer_size;
|
|
int hrd_delay;
|
|
int pre_num_extra_mux_bits, num_extra_mux_bits;
|
|
int slice_bits;
|
|
int data;
|
|
int final_value, final_scale;
|
|
int ratio_index, mod_offset;
|
|
|
|
dsc->rc_model_size = 8192;
|
|
|
|
if (dsc->version == 0x11 && dsc->scr_rev == 0x1)
|
|
dsc->first_line_bpg_offset = 15;
|
|
else
|
|
dsc->first_line_bpg_offset = 12;
|
|
|
|
dsc->edge_factor = 6;
|
|
dsc->tgt_offset_hi = 3;
|
|
dsc->tgt_offset_lo = 3;
|
|
dsc->enable_422 = 0;
|
|
dsc->convert_rgb = 1;
|
|
dsc->vbr_enable = 0;
|
|
|
|
dsc->buf_thresh = dsi_dsc_rc_buf_thresh;
|
|
|
|
bpp = dsc->bpp;
|
|
bpc = dsc->bpc;
|
|
|
|
if ((bpc == 12) && (bpp == 8))
|
|
ratio_index = DSC_12BPC_8BPP;
|
|
else if ((bpc == 10) && (bpp == 8))
|
|
ratio_index = DSC_10BPC_8BPP;
|
|
else if ((bpc == 10) && (bpp == 10))
|
|
ratio_index = DSC_10BPC_10BPP;
|
|
else
|
|
ratio_index = DSC_8BPC_8BPP;
|
|
|
|
if (dsc->version == 0x11 && dsc->scr_rev == 0x1) {
|
|
dsc->range_min_qp =
|
|
dsi_dsc_rc_range_min_qp_1_1_scr1[ratio_index];
|
|
dsc->range_max_qp =
|
|
dsi_dsc_rc_range_max_qp_1_1_scr1[ratio_index];
|
|
} else {
|
|
dsc->range_min_qp = dsi_dsc_rc_range_min_qp_1_1[ratio_index];
|
|
dsc->range_max_qp = dsi_dsc_rc_range_max_qp_1_1[ratio_index];
|
|
}
|
|
dsc->range_bpg_offset = dsi_dsc_rc_range_bpg_offset;
|
|
|
|
if (bpp == 8) {
|
|
dsc->initial_offset = 6144;
|
|
dsc->initial_xmit_delay = 512;
|
|
} else if (bpp == 10) {
|
|
dsc->initial_offset = 5632;
|
|
dsc->initial_xmit_delay = 410;
|
|
} else {
|
|
dsc->initial_offset = 2048;
|
|
dsc->initial_xmit_delay = 341;
|
|
}
|
|
|
|
dsc->line_buf_depth = bpc + 1;
|
|
|
|
if (bpc == 8) {
|
|
dsc->input_10_bits = 0;
|
|
dsc->min_qp_flatness = 3;
|
|
dsc->max_qp_flatness = 12;
|
|
dsc->quant_incr_limit0 = 11;
|
|
dsc->quant_incr_limit1 = 11;
|
|
mux_words_size = 48;
|
|
} else if (bpc == 10) { /* 10bpc */
|
|
dsc->input_10_bits = 1;
|
|
dsc->min_qp_flatness = 7;
|
|
dsc->max_qp_flatness = 16;
|
|
dsc->quant_incr_limit0 = 15;
|
|
dsc->quant_incr_limit1 = 15;
|
|
mux_words_size = 48;
|
|
} else { /* 12 bpc */
|
|
dsc->input_10_bits = 0;
|
|
dsc->min_qp_flatness = 11;
|
|
dsc->max_qp_flatness = 20;
|
|
dsc->quant_incr_limit0 = 19;
|
|
dsc->quant_incr_limit1 = 19;
|
|
mux_words_size = 64;
|
|
}
|
|
|
|
mod_offset = dsc->slice_width % 3;
|
|
switch (mod_offset) {
|
|
case 0:
|
|
dsc->slice_last_group_size = 2;
|
|
break;
|
|
case 1:
|
|
dsc->slice_last_group_size = 0;
|
|
break;
|
|
case 2:
|
|
dsc->slice_last_group_size = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
dsc->det_thresh_flatness = 2 << (bpc - 8);
|
|
|
|
groups_per_line = DIV_ROUND_UP(dsc->slice_width, 3);
|
|
|
|
dsc->chunk_size = dsc->slice_width * bpp / 8;
|
|
if ((dsc->slice_width * bpp) % 8)
|
|
dsc->chunk_size++;
|
|
|
|
/* rbs-min */
|
|
min_rate_buffer_size = dsc->rc_model_size - dsc->initial_offset +
|
|
dsc->initial_xmit_delay * bpp +
|
|
groups_per_line * dsc->first_line_bpg_offset;
|
|
|
|
hrd_delay = DIV_ROUND_UP(min_rate_buffer_size, bpp);
|
|
|
|
dsc->initial_dec_delay = hrd_delay - dsc->initial_xmit_delay;
|
|
|
|
dsc->initial_scale_value = 8 * dsc->rc_model_size /
|
|
(dsc->rc_model_size - dsc->initial_offset);
|
|
|
|
slice_bits = 8 * dsc->chunk_size * dsc->slice_height;
|
|
|
|
groups_total = groups_per_line * dsc->slice_height;
|
|
|
|
data = dsc->first_line_bpg_offset * 2048;
|
|
|
|
dsc->nfl_bpg_offset = DIV_ROUND_UP(data, (dsc->slice_height - 1));
|
|
|
|
pre_num_extra_mux_bits = 3 * (mux_words_size + (4 * bpc + 4) - 2);
|
|
|
|
num_extra_mux_bits = pre_num_extra_mux_bits - (mux_words_size -
|
|
((slice_bits - pre_num_extra_mux_bits) % mux_words_size));
|
|
|
|
data = 2048 * (dsc->rc_model_size - dsc->initial_offset
|
|
+ num_extra_mux_bits);
|
|
dsc->slice_bpg_offset = DIV_ROUND_UP(data, groups_total);
|
|
|
|
data = dsc->initial_xmit_delay * bpp;
|
|
final_value = dsc->rc_model_size - data + num_extra_mux_bits;
|
|
|
|
final_scale = 8 * dsc->rc_model_size /
|
|
(dsc->rc_model_size - final_value);
|
|
|
|
dsc->final_offset = final_value;
|
|
|
|
data = (final_scale - 9) * (dsc->nfl_bpg_offset +
|
|
dsc->slice_bpg_offset);
|
|
dsc->scale_increment_interval = (2048 * dsc->final_offset) / data;
|
|
|
|
dsc->scale_decrement_interval = groups_per_line /
|
|
(dsc->initial_scale_value - 8);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int dsi_panel_parse_phy_timing(struct dsi_display_mode *mode,
|
|
struct dsi_parser_utils *utils)
|
|
{
|
|
const char *data;
|
|
u32 len, i;
|
|
int rc = 0;
|
|
struct dsi_display_mode_priv_info *priv_info;
|
|
|
|
if (!mode || !mode->priv_info)
|
|
return -EINVAL;
|
|
|
|
priv_info = mode->priv_info;
|
|
|
|
data = utils->get_property(utils->data,
|
|
"qcom,mdss-dsi-panel-phy-timings", &len);
|
|
if (!data) {
|
|
DSI_DEBUG("Unable to read Phy timing settings\n");
|
|
} else {
|
|
priv_info->phy_timing_val =
|
|
kzalloc((sizeof(u32) * len), GFP_KERNEL);
|
|
if (!priv_info->phy_timing_val)
|
|
return -EINVAL;
|
|
|
|
for (i = 0; i < len; i++)
|
|
priv_info->phy_timing_val[i] = data[i];
|
|
|
|
priv_info->phy_timing_len = len;
|
|
}
|
|
|
|
if (mode->panel_mode == DSI_OP_VIDEO_MODE) {
|
|
/*
|
|
* For command mode we update the pclk as part of
|
|
* function dsi_panel_calc_dsi_transfer_time( )
|
|
* as we set it based on dsi clock or mdp transfer time.
|
|
*/
|
|
mode->pixel_clk_khz = (DSI_H_TOTAL_DSC(&mode->timing) *
|
|
DSI_V_TOTAL(&mode->timing) *
|
|
mode->timing.refresh_rate) / 1000;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_dsc_params(struct dsi_display_mode *mode,
|
|
struct dsi_parser_utils *utils)
|
|
{
|
|
u32 data;
|
|
int rc = -EINVAL;
|
|
int intf_width;
|
|
const char *compression;
|
|
struct dsi_display_mode_priv_info *priv_info;
|
|
|
|
if (!mode || !mode->priv_info)
|
|
return -EINVAL;
|
|
|
|
priv_info = mode->priv_info;
|
|
|
|
priv_info->dsc_enabled = false;
|
|
compression = utils->get_property(utils->data,
|
|
"qcom,compression-mode", NULL);
|
|
if (compression && !strcmp(compression, "dsc"))
|
|
priv_info->dsc_enabled = true;
|
|
|
|
if (!priv_info->dsc_enabled) {
|
|
DSI_DEBUG("dsc compression is not enabled for the mode\n");
|
|
return 0;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsc-version", &data);
|
|
if (rc) {
|
|
priv_info->dsc.version = 0x11;
|
|
rc = 0;
|
|
} else {
|
|
priv_info->dsc.version = data & 0xff;
|
|
/* only support DSC 1.1 rev */
|
|
if (priv_info->dsc.version != 0x11) {
|
|
DSI_ERR("%s: DSC version:%d not supported\n", __func__,
|
|
priv_info->dsc.version);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsc-scr-version", &data);
|
|
if (rc) {
|
|
priv_info->dsc.scr_rev = 0x0;
|
|
rc = 0;
|
|
} else {
|
|
priv_info->dsc.scr_rev = data & 0xff;
|
|
/* only one scr rev supported */
|
|
if (priv_info->dsc.scr_rev > 0x1) {
|
|
DSI_ERR("%s: DSC scr version:%d not supported\n",
|
|
__func__, priv_info->dsc.scr_rev);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsc-slice-height", &data);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse qcom,mdss-dsc-slice-height\n");
|
|
goto error;
|
|
}
|
|
priv_info->dsc.slice_height = data;
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsc-slice-width", &data);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse qcom,mdss-dsc-slice-width\n");
|
|
goto error;
|
|
}
|
|
priv_info->dsc.slice_width = data;
|
|
|
|
intf_width = mode->timing.h_active;
|
|
if (intf_width % priv_info->dsc.slice_width) {
|
|
DSI_ERR("invalid slice width for the intf width:%d slice width:%d\n",
|
|
intf_width, priv_info->dsc.slice_width);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
priv_info->dsc.pic_width = mode->timing.h_active;
|
|
priv_info->dsc.pic_height = mode->timing.v_active;
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsc-slice-per-pkt", &data);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse qcom,mdss-dsc-slice-per-pkt\n");
|
|
goto error;
|
|
} else if (!data || (data > 2)) {
|
|
DSI_ERR("invalid dsc slice-per-pkt:%d\n", data);
|
|
goto error;
|
|
}
|
|
priv_info->dsc.slice_per_pkt = data;
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsc-bit-per-component",
|
|
&data);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse qcom,mdss-dsc-bit-per-component\n");
|
|
goto error;
|
|
}
|
|
priv_info->dsc.bpc = data;
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-pps-delay-ms", &data);
|
|
if (rc) {
|
|
DSI_DEBUG("pps-delay-ms not specified, defaulting to 0\n");
|
|
data = 0;
|
|
}
|
|
priv_info->dsc.pps_delay_ms = data;
|
|
|
|
rc = utils->read_u32(utils->data, "qcom,mdss-dsc-bit-per-pixel",
|
|
&data);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse qcom,mdss-dsc-bit-per-pixel\n");
|
|
goto error;
|
|
}
|
|
priv_info->dsc.bpp = data;
|
|
|
|
priv_info->dsc.block_pred_enable = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsc-block-prediction-enable");
|
|
|
|
priv_info->dsc.full_frame_slices = DIV_ROUND_UP(intf_width,
|
|
priv_info->dsc.slice_width);
|
|
|
|
dsi_dsc_populate_static_param(&priv_info->dsc);
|
|
dsi_dsc_pclk_param_calc(&priv_info->dsc, intf_width);
|
|
|
|
mode->timing.dsc_enabled = true;
|
|
mode->timing.dsc = &priv_info->dsc;
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_hdr_config(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
struct drm_panel_hdr_properties *hdr_prop;
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
|
|
hdr_prop = &panel->hdr_props;
|
|
hdr_prop->hdr_enabled = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-panel-hdr-enabled");
|
|
|
|
if (hdr_prop->hdr_enabled) {
|
|
rc = utils->read_u32_array(utils->data,
|
|
"qcom,mdss-dsi-panel-hdr-color-primaries",
|
|
hdr_prop->display_primaries,
|
|
DISPLAY_PRIMARIES_MAX);
|
|
if (rc) {
|
|
DSI_ERR("%s:%d, Unable to read color primaries,rc:%u\n",
|
|
__func__, __LINE__, rc);
|
|
hdr_prop->hdr_enabled = false;
|
|
return rc;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data,
|
|
"qcom,mdss-dsi-panel-peak-brightness",
|
|
&(hdr_prop->peak_brightness));
|
|
if (rc) {
|
|
DSI_ERR("%s:%d, Unable to read hdr brightness, rc:%u\n",
|
|
__func__, __LINE__, rc);
|
|
hdr_prop->hdr_enabled = false;
|
|
return rc;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data,
|
|
"qcom,mdss-dsi-panel-blackness-level",
|
|
&(hdr_prop->blackness_level));
|
|
if (rc) {
|
|
DSI_ERR("%s:%d, Unable to read hdr brightness, rc:%u\n",
|
|
__func__, __LINE__, rc);
|
|
hdr_prop->hdr_enabled = false;
|
|
return rc;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int dsi_panel_parse_topology(
|
|
struct dsi_display_mode_priv_info *priv_info,
|
|
struct dsi_parser_utils *utils,
|
|
int topology_override)
|
|
{
|
|
struct msm_display_topology *topology;
|
|
u32 top_count, top_sel, *array = NULL;
|
|
int i, len = 0;
|
|
int rc = -EINVAL;
|
|
|
|
len = utils->count_u32_elems(utils->data, "qcom,display-topology");
|
|
if (len <= 0 || len % TOPOLOGY_SET_LEN ||
|
|
len > (TOPOLOGY_SET_LEN * MAX_TOPOLOGY)) {
|
|
DSI_ERR("invalid topology list for the panel, rc = %d\n", rc);
|
|
return rc;
|
|
}
|
|
|
|
top_count = len / TOPOLOGY_SET_LEN;
|
|
|
|
array = kcalloc(len, sizeof(u32), GFP_KERNEL);
|
|
if (!array)
|
|
return -ENOMEM;
|
|
|
|
rc = utils->read_u32_array(utils->data,
|
|
"qcom,display-topology", array, len);
|
|
if (rc) {
|
|
DSI_ERR("unable to read the display topologies, rc = %d\n", rc);
|
|
goto read_fail;
|
|
}
|
|
|
|
topology = kcalloc(top_count, sizeof(*topology), GFP_KERNEL);
|
|
if (!topology) {
|
|
rc = -ENOMEM;
|
|
goto read_fail;
|
|
}
|
|
|
|
for (i = 0; i < top_count; i++) {
|
|
struct msm_display_topology *top = &topology[i];
|
|
|
|
top->num_lm = array[i * TOPOLOGY_SET_LEN];
|
|
top->num_enc = array[i * TOPOLOGY_SET_LEN + 1];
|
|
top->num_intf = array[i * TOPOLOGY_SET_LEN + 2];
|
|
}
|
|
|
|
if (topology_override >= 0 && topology_override < top_count) {
|
|
DSI_INFO("override topology: cfg:%d lm:%d comp_enc:%d intf:%d\n",
|
|
topology_override,
|
|
topology[topology_override].num_lm,
|
|
topology[topology_override].num_enc,
|
|
topology[topology_override].num_intf);
|
|
top_sel = topology_override;
|
|
goto parse_done;
|
|
}
|
|
|
|
rc = utils->read_u32(utils->data,
|
|
"qcom,default-topology-index", &top_sel);
|
|
if (rc) {
|
|
DSI_ERR("no default topology selected, rc = %d\n", rc);
|
|
goto parse_fail;
|
|
}
|
|
|
|
if (top_sel >= top_count) {
|
|
rc = -EINVAL;
|
|
DSI_ERR("default topology is specified is not valid, rc = %d\n",
|
|
rc);
|
|
goto parse_fail;
|
|
}
|
|
|
|
DSI_INFO("default topology: lm: %d comp_enc:%d intf: %d\n",
|
|
topology[top_sel].num_lm,
|
|
topology[top_sel].num_enc,
|
|
topology[top_sel].num_intf);
|
|
|
|
parse_done:
|
|
memcpy(&priv_info->topology, &topology[top_sel],
|
|
sizeof(struct msm_display_topology));
|
|
parse_fail:
|
|
kfree(topology);
|
|
read_fail:
|
|
kfree(array);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_roi_alignment(struct dsi_parser_utils *utils,
|
|
struct msm_roi_alignment *align)
|
|
{
|
|
int len = 0, rc = 0;
|
|
u32 value[6];
|
|
struct property *data;
|
|
|
|
if (!align)
|
|
return -EINVAL;
|
|
|
|
memset(align, 0, sizeof(*align));
|
|
|
|
data = utils->find_property(utils->data,
|
|
"qcom,panel-roi-alignment", &len);
|
|
len /= sizeof(u32);
|
|
if (!data) {
|
|
DSI_ERR("panel roi alignment not found\n");
|
|
rc = -EINVAL;
|
|
} else if (len != 6) {
|
|
DSI_ERR("incorrect roi alignment len %d\n", len);
|
|
rc = -EINVAL;
|
|
} else {
|
|
rc = utils->read_u32_array(utils->data,
|
|
"qcom,panel-roi-alignment", value, len);
|
|
if (rc)
|
|
DSI_DEBUG("error reading panel roi alignment values\n");
|
|
else {
|
|
align->xstart_pix_align = value[0];
|
|
align->ystart_pix_align = value[1];
|
|
align->width_pix_align = value[2];
|
|
align->height_pix_align = value[3];
|
|
align->min_width = value[4];
|
|
align->min_height = value[5];
|
|
}
|
|
|
|
DSI_INFO("roi alignment: [%d, %d, %d, %d, %d, %d]\n",
|
|
align->xstart_pix_align,
|
|
align->width_pix_align,
|
|
align->ystart_pix_align,
|
|
align->height_pix_align,
|
|
align->min_width,
|
|
align->min_height);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_partial_update_caps(struct dsi_display_mode *mode,
|
|
struct dsi_parser_utils *utils)
|
|
{
|
|
struct msm_roi_caps *roi_caps = NULL;
|
|
const char *data;
|
|
int rc = 0;
|
|
|
|
if (!mode || !mode->priv_info) {
|
|
DSI_ERR("invalid arguments\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
roi_caps = &mode->priv_info->roi_caps;
|
|
|
|
memset(roi_caps, 0, sizeof(*roi_caps));
|
|
|
|
data = utils->get_property(utils->data,
|
|
"qcom,partial-update-enabled", NULL);
|
|
if (data) {
|
|
if (!strcmp(data, "dual_roi"))
|
|
roi_caps->num_roi = 2;
|
|
else if (!strcmp(data, "single_roi"))
|
|
roi_caps->num_roi = 1;
|
|
else {
|
|
DSI_INFO(
|
|
"invalid value for qcom,partial-update-enabled: %s\n",
|
|
data);
|
|
return 0;
|
|
}
|
|
} else {
|
|
DSI_DEBUG("partial update disabled as the property is not set\n");
|
|
return 0;
|
|
}
|
|
|
|
roi_caps->merge_rois = utils->read_bool(utils->data,
|
|
"qcom,partial-update-roi-merge");
|
|
|
|
roi_caps->enabled = roi_caps->num_roi > 0;
|
|
|
|
DSI_DEBUG("partial update num_rois=%d enabled=%d\n", roi_caps->num_roi,
|
|
roi_caps->enabled);
|
|
|
|
if (roi_caps->enabled)
|
|
rc = dsi_panel_parse_roi_alignment(utils,
|
|
&roi_caps->align);
|
|
|
|
if (rc)
|
|
memset(roi_caps, 0, sizeof(*roi_caps));
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_panel_mode_caps(struct dsi_display_mode *mode,
|
|
struct dsi_parser_utils *utils)
|
|
{
|
|
bool vid_mode_support, cmd_mode_support;
|
|
|
|
if (!mode || !mode->priv_info) {
|
|
DSI_ERR("invalid arguments\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
vid_mode_support = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-video-mode");
|
|
|
|
cmd_mode_support = utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-cmd-mode");
|
|
|
|
if (cmd_mode_support)
|
|
mode->panel_mode = DSI_OP_CMD_MODE;
|
|
else if (vid_mode_support)
|
|
mode->panel_mode = DSI_OP_VIDEO_MODE;
|
|
else
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
};
|
|
|
|
|
|
static int dsi_panel_parse_dms_info(struct dsi_panel *panel)
|
|
{
|
|
int dms_enabled;
|
|
const char *data;
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
|
|
panel->dms_mode = DSI_DMS_MODE_DISABLED;
|
|
dms_enabled = utils->read_bool(utils->data,
|
|
"qcom,dynamic-mode-switch-enabled");
|
|
if (!dms_enabled)
|
|
return 0;
|
|
|
|
data = utils->get_property(utils->data,
|
|
"qcom,dynamic-mode-switch-type", NULL);
|
|
if (data && !strcmp(data, "dynamic-resolution-switch-immediate")) {
|
|
panel->dms_mode = DSI_DMS_MODE_RES_SWITCH_IMMEDIATE;
|
|
} else {
|
|
DSI_ERR("[%s] unsupported dynamic switch mode: %s\n",
|
|
panel->name, data);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
};
|
|
|
|
/*
|
|
* The length of all the valid values to be checked should not be greater
|
|
* than the length of returned data from read command.
|
|
*/
|
|
static bool
|
|
dsi_panel_parse_esd_check_valid_params(struct dsi_panel *panel, u32 count)
|
|
{
|
|
int i;
|
|
struct drm_panel_esd_config *config = &panel->esd_config;
|
|
|
|
for (i = 0; i < count; ++i) {
|
|
if (config->status_valid_params[i] >
|
|
config->status_cmds_rlen[i]) {
|
|
DSI_DEBUG("ignore valid params\n");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool dsi_panel_parse_esd_status_len(struct dsi_parser_utils *utils,
|
|
char *prop_key, u32 **target, u32 cmd_cnt)
|
|
{
|
|
int tmp;
|
|
|
|
if (!utils->find_property(utils->data, prop_key, &tmp))
|
|
return false;
|
|
|
|
tmp /= sizeof(u32);
|
|
if (tmp != cmd_cnt) {
|
|
DSI_ERR("request property(%d) do not match cmd count(%d)\n",
|
|
tmp, cmd_cnt);
|
|
return false;
|
|
}
|
|
|
|
*target = kcalloc(tmp, sizeof(u32), GFP_KERNEL);
|
|
if (IS_ERR_OR_NULL(*target)) {
|
|
DSI_ERR("Error allocating memory for property\n");
|
|
return false;
|
|
}
|
|
|
|
if (utils->read_u32_array(utils->data, prop_key, *target, tmp)) {
|
|
DSI_ERR("cannot get values from dts\n");
|
|
kfree(*target);
|
|
*target = NULL;
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static void dsi_panel_esd_config_deinit(struct drm_panel_esd_config *esd_config)
|
|
{
|
|
kfree(esd_config->status_buf);
|
|
kfree(esd_config->return_buf);
|
|
kfree(esd_config->status_value);
|
|
kfree(esd_config->status_valid_params);
|
|
kfree(esd_config->status_cmds_rlen);
|
|
kfree(esd_config->status_cmd.cmds);
|
|
}
|
|
|
|
int dsi_panel_parse_esd_reg_read_configs(struct dsi_panel *panel)
|
|
{
|
|
struct drm_panel_esd_config *esd_config;
|
|
int rc = 0;
|
|
u32 tmp;
|
|
u32 i, status_len, *lenp;
|
|
struct property *data;
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("Invalid Params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
esd_config = &panel->esd_config;
|
|
if (!esd_config)
|
|
return -EINVAL;
|
|
|
|
dsi_panel_parse_cmd_sets_sub(&esd_config->status_cmd,
|
|
DSI_CMD_SET_PANEL_STATUS, utils);
|
|
if (!esd_config->status_cmd.count) {
|
|
DSI_ERR("panel status command parsing failed\n");
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
if (!dsi_panel_parse_esd_status_len(utils,
|
|
"qcom,mdss-dsi-panel-status-read-length",
|
|
&panel->esd_config.status_cmds_rlen,
|
|
esd_config->status_cmd.count)) {
|
|
DSI_ERR("Invalid status read length\n");
|
|
rc = -EINVAL;
|
|
goto error1;
|
|
}
|
|
|
|
if (dsi_panel_parse_esd_status_len(utils,
|
|
"qcom,mdss-dsi-panel-status-valid-params",
|
|
&panel->esd_config.status_valid_params,
|
|
esd_config->status_cmd.count)) {
|
|
if (!dsi_panel_parse_esd_check_valid_params(panel,
|
|
esd_config->status_cmd.count)) {
|
|
rc = -EINVAL;
|
|
goto error2;
|
|
}
|
|
}
|
|
|
|
status_len = 0;
|
|
lenp = esd_config->status_valid_params ?: esd_config->status_cmds_rlen;
|
|
for (i = 0; i < esd_config->status_cmd.count; ++i)
|
|
status_len += lenp[i];
|
|
|
|
if (!status_len) {
|
|
rc = -EINVAL;
|
|
goto error2;
|
|
}
|
|
|
|
/*
|
|
* Some panel may need multiple read commands to properly
|
|
* check panel status. Do a sanity check for proper status
|
|
* value which will be compared with the value read by dsi
|
|
* controller during ESD check. Also check if multiple read
|
|
* commands are there then, there should be corresponding
|
|
* status check values for each read command.
|
|
*/
|
|
data = utils->find_property(utils->data,
|
|
"qcom,mdss-dsi-panel-status-value", &tmp);
|
|
tmp /= sizeof(u32);
|
|
if (!IS_ERR_OR_NULL(data) && tmp != 0 && (tmp % status_len) == 0) {
|
|
esd_config->groups = tmp / status_len;
|
|
} else {
|
|
DSI_ERR("error parse panel-status-value\n");
|
|
rc = -EINVAL;
|
|
goto error2;
|
|
}
|
|
|
|
esd_config->status_value =
|
|
kzalloc(sizeof(u32) * status_len * esd_config->groups,
|
|
GFP_KERNEL);
|
|
if (!esd_config->status_value) {
|
|
rc = -ENOMEM;
|
|
goto error2;
|
|
}
|
|
|
|
esd_config->return_buf = kcalloc(status_len * esd_config->groups,
|
|
sizeof(unsigned char), GFP_KERNEL);
|
|
if (!esd_config->return_buf) {
|
|
rc = -ENOMEM;
|
|
goto error3;
|
|
}
|
|
|
|
esd_config->status_buf = kzalloc(SZ_4K, GFP_KERNEL);
|
|
if (!esd_config->status_buf) {
|
|
rc = -ENOMEM;
|
|
goto error4;
|
|
}
|
|
|
|
rc = utils->read_u32_array(utils->data,
|
|
"qcom,mdss-dsi-panel-status-value",
|
|
esd_config->status_value, esd_config->groups * status_len);
|
|
if (rc) {
|
|
DSI_DEBUG("error reading panel status values\n");
|
|
memset(esd_config->status_value, 0,
|
|
esd_config->groups * status_len);
|
|
}
|
|
|
|
return 0;
|
|
|
|
error4:
|
|
kfree(esd_config->return_buf);
|
|
error3:
|
|
kfree(esd_config->status_value);
|
|
error2:
|
|
kfree(esd_config->status_valid_params);
|
|
kfree(esd_config->status_cmds_rlen);
|
|
error1:
|
|
kfree(esd_config->status_cmd.cmds);
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_parse_esd_config(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
const char *string;
|
|
struct drm_panel_esd_config *esd_config;
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
u8 *esd_mode = NULL;
|
|
|
|
esd_config = &panel->esd_config;
|
|
esd_config->status_mode = ESD_MODE_MAX;
|
|
esd_config->esd_enabled = utils->read_bool(utils->data,
|
|
"qcom,esd-check-enabled");
|
|
|
|
if (!esd_config->esd_enabled)
|
|
return 0;
|
|
|
|
rc = utils->read_string(utils->data,
|
|
"qcom,mdss-dsi-panel-status-check-mode", &string);
|
|
if (!rc) {
|
|
if (!strcmp(string, "bta_check")) {
|
|
esd_config->status_mode = ESD_MODE_SW_BTA;
|
|
} else if (!strcmp(string, "reg_read")) {
|
|
esd_config->status_mode = ESD_MODE_REG_READ;
|
|
} else if (!strcmp(string, "te_signal_check")) {
|
|
if (panel->panel_mode == DSI_OP_CMD_MODE) {
|
|
esd_config->status_mode = ESD_MODE_PANEL_TE;
|
|
} else {
|
|
DSI_ERR("TE-ESD not valid for video mode\n");
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
} else {
|
|
DSI_ERR("No valid panel-status-check-mode string\n");
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
} else {
|
|
DSI_DEBUG("status check method not defined!\n");
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
if (panel->esd_config.status_mode == ESD_MODE_REG_READ) {
|
|
rc = dsi_panel_parse_esd_reg_read_configs(panel);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse esd reg read mode params, rc=%d\n",
|
|
rc);
|
|
goto error;
|
|
}
|
|
esd_mode = "register_read";
|
|
} else if (panel->esd_config.status_mode == ESD_MODE_SW_BTA) {
|
|
esd_mode = "bta_trigger";
|
|
} else if (panel->esd_config.status_mode == ESD_MODE_PANEL_TE) {
|
|
esd_mode = "te_check";
|
|
}
|
|
|
|
DSI_DEBUG("ESD enabled with mode: %s\n", esd_mode);
|
|
|
|
return 0;
|
|
|
|
error:
|
|
panel->esd_config.esd_enabled = false;
|
|
return rc;
|
|
}
|
|
|
|
static void dsi_panel_update_util(struct dsi_panel *panel,
|
|
struct device_node *parser_node)
|
|
{
|
|
struct dsi_parser_utils *utils = &panel->utils;
|
|
|
|
if (parser_node) {
|
|
*utils = *dsi_parser_get_parser_utils();
|
|
utils->data = parser_node;
|
|
|
|
DSI_DEBUG("switching to parser APIs\n");
|
|
|
|
goto end;
|
|
}
|
|
|
|
*utils = *dsi_parser_get_of_utils();
|
|
utils->data = panel->panel_of_node;
|
|
end:
|
|
utils->node = panel->panel_of_node;
|
|
}
|
|
|
|
struct dsi_panel *dsi_panel_get(struct device *parent,
|
|
struct device_node *of_node,
|
|
struct device_node *parser_node,
|
|
const char *type,
|
|
int topology_override)
|
|
{
|
|
struct dsi_panel *panel;
|
|
struct dsi_parser_utils *utils;
|
|
const char *panel_physical_type;
|
|
int rc = 0;
|
|
|
|
panel = kzalloc(sizeof(*panel), GFP_KERNEL);
|
|
if (!panel)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
panel->panel_of_node = of_node;
|
|
panel->parent = parent;
|
|
panel->type = type;
|
|
|
|
dsi_panel_update_util(panel, parser_node);
|
|
utils = &panel->utils;
|
|
|
|
panel->name = utils->get_property(utils->data,
|
|
"qcom,mdss-dsi-panel-name", NULL);
|
|
if (!panel->name)
|
|
panel->name = DSI_PANEL_DEFAULT_LABEL;
|
|
|
|
/*
|
|
* Set panel type to LCD as default.
|
|
*/
|
|
panel->panel_type = DSI_DISPLAY_PANEL_TYPE_LCD;
|
|
panel_physical_type = utils->get_property(utils->data,
|
|
"qcom,mdss-dsi-panel-physical-type", NULL);
|
|
if (panel_physical_type && !strcmp(panel_physical_type, "oled"))
|
|
panel->panel_type = DSI_DISPLAY_PANEL_TYPE_OLED;
|
|
rc = dsi_panel_parse_host_config(panel);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse host configuration, rc=%d\n",
|
|
rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = dsi_panel_parse_panel_mode(panel);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse panel mode configuration, rc=%d\n",
|
|
rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = dsi_panel_parse_dfps_caps(panel);
|
|
if (rc)
|
|
DSI_ERR("failed to parse dfps configuration, rc=%d\n", rc);
|
|
|
|
if (!(panel->dfps_caps.dfps_support)) {
|
|
/* qsync and dfps are mutually exclusive features */
|
|
rc = dsi_panel_parse_qsync_caps(panel, of_node);
|
|
if (rc)
|
|
DSI_DEBUG("failed to parse qsync features, rc=%d\n",
|
|
rc);
|
|
}
|
|
|
|
rc = dsi_panel_parse_dyn_clk_caps(panel);
|
|
if (rc)
|
|
DSI_ERR("failed to parse dynamic clk config, rc=%d\n", rc);
|
|
|
|
rc = dsi_panel_parse_phy_props(panel);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse panel physical dimension, rc=%d\n",
|
|
rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = dsi_panel_parse_gpios(panel);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse panel gpios, rc=%d\n", rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = dsi_panel_parse_power_cfg(panel);
|
|
if (rc)
|
|
DSI_ERR("failed to parse power config, rc=%d\n", rc);
|
|
|
|
rc = dsi_panel_parse_bl_config(panel);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse backlight config, rc=%d\n", rc);
|
|
if (rc == -EPROBE_DEFER)
|
|
goto error;
|
|
}
|
|
|
|
rc = dsi_panel_parse_misc_features(panel);
|
|
if (rc)
|
|
DSI_ERR("failed to parse misc features, rc=%d\n", rc);
|
|
|
|
rc = dsi_panel_parse_hdr_config(panel);
|
|
if (rc)
|
|
DSI_ERR("failed to parse hdr config, rc=%d\n", rc);
|
|
|
|
rc = dsi_panel_get_mode_count(panel);
|
|
if (rc) {
|
|
DSI_ERR("failed to get mode count, rc=%d\n", rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = dsi_panel_parse_dms_info(panel);
|
|
if (rc)
|
|
DSI_DEBUG("failed to get dms info, rc=%d\n", rc);
|
|
|
|
rc = dsi_panel_parse_esd_config(panel);
|
|
if (rc)
|
|
DSI_DEBUG("failed to parse esd config, rc=%d\n", rc);
|
|
|
|
panel->power_mode = SDE_MODE_DPMS_OFF;
|
|
drm_panel_init(&panel->drm_panel);
|
|
panel->drm_panel.dev = &panel->mipi_device.dev;
|
|
panel->mipi_device.dev.of_node = of_node;
|
|
|
|
rc = drm_panel_add(&panel->drm_panel);
|
|
if (rc)
|
|
goto error;
|
|
|
|
mutex_init(&panel->panel_lock);
|
|
|
|
return panel;
|
|
error:
|
|
kfree(panel);
|
|
return ERR_PTR(rc);
|
|
}
|
|
|
|
void dsi_panel_put(struct dsi_panel *panel)
|
|
{
|
|
drm_panel_remove(&panel->drm_panel);
|
|
|
|
/* free resources allocated for ESD check */
|
|
dsi_panel_esd_config_deinit(&panel->esd_config);
|
|
|
|
kfree(panel);
|
|
}
|
|
|
|
int dsi_panel_drv_init(struct dsi_panel *panel,
|
|
struct mipi_dsi_host *host)
|
|
{
|
|
int rc = 0;
|
|
struct mipi_dsi_device *dev;
|
|
|
|
if (!panel || !host) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
dev = &panel->mipi_device;
|
|
|
|
dev->host = host;
|
|
/*
|
|
* We dont have device structure since panel is not a device node.
|
|
* When using drm panel framework, the device is probed when the host is
|
|
* create.
|
|
*/
|
|
dev->channel = 0;
|
|
dev->lanes = 4;
|
|
|
|
panel->host = host;
|
|
rc = dsi_panel_vreg_get(panel);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to get panel regulators, rc=%d\n",
|
|
panel->name, rc);
|
|
goto exit;
|
|
}
|
|
|
|
rc = dsi_panel_pinctrl_init(panel);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to init pinctrl, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error_vreg_put;
|
|
}
|
|
|
|
rc = dsi_panel_gpio_request(panel);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to request gpios, rc=%d\n", panel->name,
|
|
rc);
|
|
goto error_pinctrl_deinit;
|
|
}
|
|
|
|
rc = dsi_panel_bl_register(panel);
|
|
if (rc) {
|
|
if (rc != -EPROBE_DEFER)
|
|
DSI_ERR("[%s] failed to register backlight, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error_gpio_release;
|
|
}
|
|
|
|
goto exit;
|
|
|
|
error_gpio_release:
|
|
(void)dsi_panel_gpio_release(panel);
|
|
error_pinctrl_deinit:
|
|
(void)dsi_panel_pinctrl_deinit(panel);
|
|
error_vreg_put:
|
|
(void)dsi_panel_vreg_put(panel);
|
|
exit:
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_drv_deinit(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
rc = dsi_panel_bl_unregister(panel);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to unregister backlight, rc=%d\n",
|
|
panel->name, rc);
|
|
|
|
rc = dsi_panel_gpio_release(panel);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to release gpios, rc=%d\n", panel->name,
|
|
rc);
|
|
|
|
rc = dsi_panel_pinctrl_deinit(panel);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to deinit gpios, rc=%d\n", panel->name,
|
|
rc);
|
|
|
|
rc = dsi_panel_vreg_put(panel);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to put regs, rc=%d\n", panel->name, rc);
|
|
|
|
panel->host = NULL;
|
|
memset(&panel->mipi_device, 0x0, sizeof(panel->mipi_device));
|
|
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_validate_mode(struct dsi_panel *panel,
|
|
struct dsi_display_mode *mode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int dsi_panel_get_mode_count(struct dsi_panel *panel)
|
|
{
|
|
const u32 SINGLE_MODE_SUPPORT = 1;
|
|
struct dsi_parser_utils *utils;
|
|
struct device_node *timings_np, *child_np;
|
|
int num_dfps_rates, num_bit_clks;
|
|
int num_video_modes = 0, num_cmd_modes = 0;
|
|
int count, rc = 0;
|
|
void *utils_data = NULL;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
utils = &panel->utils;
|
|
|
|
panel->num_timing_nodes = 0;
|
|
|
|
timings_np = utils->get_child_by_name(utils->data,
|
|
"qcom,mdss-dsi-display-timings");
|
|
if (!timings_np && !panel->host_config.ext_bridge_mode) {
|
|
DSI_ERR("no display timing nodes defined\n");
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
count = utils->get_child_count(timings_np);
|
|
if ((!count && !panel->host_config.ext_bridge_mode) ||
|
|
count > DSI_MODE_MAX) {
|
|
DSI_ERR("invalid count of timing nodes: %d\n", count);
|
|
rc = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
/* No multiresolution support is available for video mode panels.
|
|
* Multi-mode is supported for video mode during POMS is enabled.
|
|
*/
|
|
if (panel->panel_mode != DSI_OP_CMD_MODE &&
|
|
!panel->host_config.ext_bridge_mode &&
|
|
!panel->panel_mode_switch_enabled)
|
|
count = SINGLE_MODE_SUPPORT;
|
|
|
|
panel->num_timing_nodes = count;
|
|
dsi_for_each_child_node(timings_np, child_np) {
|
|
utils_data = child_np;
|
|
if (utils->read_bool(utils->data, "qcom,mdss-dsi-video-mode"))
|
|
num_video_modes++;
|
|
else if (utils->read_bool(utils->data,
|
|
"qcom,mdss-dsi-cmd-mode"))
|
|
num_cmd_modes++;
|
|
else if (panel->panel_mode == DSI_OP_VIDEO_MODE)
|
|
num_video_modes++;
|
|
else if (panel->panel_mode == DSI_OP_CMD_MODE)
|
|
num_cmd_modes++;
|
|
}
|
|
|
|
num_dfps_rates = !panel->dfps_caps.dfps_support ? 1 :
|
|
panel->dfps_caps.dfps_list_len;
|
|
|
|
num_bit_clks = !panel->dyn_clk_caps.dyn_clk_support ? 1 :
|
|
panel->dyn_clk_caps.bit_clk_list_len;
|
|
|
|
/* Inflate num_of_modes by fps and bit clks in dfps */
|
|
panel->num_display_modes = (num_cmd_modes * num_bit_clks) +
|
|
(num_video_modes * num_bit_clks * num_dfps_rates);
|
|
|
|
error:
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_get_phy_props(struct dsi_panel *panel,
|
|
struct dsi_panel_phy_props *phy_props)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel || !phy_props) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
memcpy(phy_props, &panel->phy_props, sizeof(*phy_props));
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_get_dfps_caps(struct dsi_panel *panel,
|
|
struct dsi_dfps_capabilities *dfps_caps)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel || !dfps_caps) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
memcpy(dfps_caps, &panel->dfps_caps, sizeof(*dfps_caps));
|
|
return rc;
|
|
}
|
|
|
|
void dsi_panel_put_mode(struct dsi_display_mode *mode)
|
|
{
|
|
int i;
|
|
|
|
if (!mode->priv_info)
|
|
return;
|
|
|
|
for (i = 0; i < DSI_CMD_SET_MAX; i++) {
|
|
dsi_panel_destroy_cmd_packets(&mode->priv_info->cmd_sets[i]);
|
|
dsi_panel_dealloc_cmd_packets(&mode->priv_info->cmd_sets[i]);
|
|
}
|
|
|
|
kfree(mode->priv_info);
|
|
}
|
|
|
|
void dsi_panel_calc_dsi_transfer_time(struct dsi_host_common_cfg *config,
|
|
struct dsi_display_mode *mode, u32 frame_threshold_us)
|
|
{
|
|
u32 frame_time_us,nslices;
|
|
u64 min_bitclk_hz, total_active_pixels, bits_per_line, pclk_rate_hz;
|
|
struct msm_display_dsc_info *dsc = mode->timing.dsc;
|
|
struct dsi_mode_info *timing = &mode->timing;
|
|
struct dsi_display_mode *display_mode;
|
|
u32 jitter_numer, jitter_denom, prefill_lines;
|
|
u32 min_threshold_us, prefill_time_us;
|
|
|
|
/* Packet overlead in bits,2 bytes header + 2 bytes checksum
|
|
* + 1 byte dcs data command.
|
|
*/
|
|
const u32 packet_overhead = 56;
|
|
|
|
display_mode = container_of(timing, struct dsi_display_mode, timing);
|
|
|
|
jitter_numer = display_mode->priv_info->panel_jitter_numer;
|
|
jitter_denom = display_mode->priv_info->panel_jitter_denom;
|
|
|
|
frame_time_us = mult_frac(1000, 1000, (timing->refresh_rate));
|
|
|
|
if (timing->dsc_enabled) {
|
|
nslices = (timing->h_active)/(dsc->slice_width);
|
|
/* (slice width x bit-per-pixel + packet overhead) x
|
|
* number of slices x height x fps / lane
|
|
*/
|
|
bits_per_line = ((dsc->slice_width * dsc->bpp) +
|
|
packet_overhead) * nslices;
|
|
bits_per_line = bits_per_line / (config->num_data_lanes);
|
|
|
|
min_bitclk_hz = (bits_per_line * timing->v_active *
|
|
timing->refresh_rate);
|
|
} else {
|
|
total_active_pixels = ((DSI_H_ACTIVE_DSC(timing)
|
|
* timing->v_active));
|
|
/* calculate the actual bitclk needed to transfer the frame */
|
|
min_bitclk_hz = (total_active_pixels * (timing->refresh_rate) *
|
|
(config->bpp)) / (config->num_data_lanes);
|
|
}
|
|
|
|
timing->min_dsi_clk_hz = min_bitclk_hz;
|
|
|
|
if (timing->clk_rate_hz) {
|
|
/* adjust the transfer time proportionately for bit clk*/
|
|
timing->dsi_transfer_time_us = mult_frac(frame_time_us,
|
|
min_bitclk_hz, timing->clk_rate_hz);
|
|
} else if (mode->priv_info->mdp_transfer_time_us) {
|
|
timing->dsi_transfer_time_us =
|
|
mode->priv_info->mdp_transfer_time_us;
|
|
} else {
|
|
|
|
min_threshold_us = mult_frac(frame_time_us,
|
|
jitter_numer, (jitter_denom * 100));
|
|
/*
|
|
* Increase the prefill_lines proportionately as recommended
|
|
* 35lines for 60fps, 52 for 90fps, 70lines for 120fps.
|
|
*/
|
|
prefill_lines = mult_frac(MIN_PREFILL_LINES,
|
|
timing->refresh_rate, 60);
|
|
|
|
prefill_time_us = mult_frac(frame_time_us, prefill_lines,
|
|
(timing->v_active));
|
|
|
|
/*
|
|
* Threshold is sum of panel jitter time, prefill line time
|
|
* plus 100usec buffer time.
|
|
*/
|
|
min_threshold_us = min_threshold_us + 100 + prefill_time_us;
|
|
|
|
DSI_DEBUG("min threshold time=%d\n", min_threshold_us);
|
|
|
|
if (min_threshold_us > frame_threshold_us)
|
|
frame_threshold_us = min_threshold_us;
|
|
|
|
timing->dsi_transfer_time_us = frame_time_us -
|
|
frame_threshold_us;
|
|
}
|
|
|
|
timing->mdp_transfer_time_us = timing->dsi_transfer_time_us;
|
|
|
|
/* Force update mdp xfer time to hal,if clk and mdp xfer time is set */
|
|
if (mode->priv_info->mdp_transfer_time_us && timing->clk_rate_hz) {
|
|
timing->mdp_transfer_time_us =
|
|
mode->priv_info->mdp_transfer_time_us;
|
|
}
|
|
|
|
/* Calculate pclk_khz to update modeinfo */
|
|
pclk_rate_hz = mult_frac(min_bitclk_hz, frame_time_us,
|
|
timing->dsi_transfer_time_us);
|
|
|
|
display_mode->pixel_clk_khz = mult_frac(pclk_rate_hz,
|
|
config->num_data_lanes, config->bpp);
|
|
|
|
do_div(display_mode->pixel_clk_khz, 1000);
|
|
}
|
|
|
|
|
|
int dsi_panel_get_mode(struct dsi_panel *panel,
|
|
u32 index, struct dsi_display_mode *mode,
|
|
int topology_override)
|
|
{
|
|
struct device_node *timings_np, *child_np;
|
|
struct dsi_parser_utils *utils;
|
|
struct dsi_display_mode_priv_info *prv_info;
|
|
u32 child_idx = 0;
|
|
int rc = 0, num_timings;
|
|
void *utils_data = NULL;
|
|
|
|
if (!panel || !mode) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
utils = &panel->utils;
|
|
|
|
mode->priv_info = kzalloc(sizeof(*mode->priv_info), GFP_KERNEL);
|
|
if (!mode->priv_info) {
|
|
rc = -ENOMEM;
|
|
goto done;
|
|
}
|
|
|
|
prv_info = mode->priv_info;
|
|
|
|
timings_np = utils->get_child_by_name(utils->data,
|
|
"qcom,mdss-dsi-display-timings");
|
|
if (!timings_np) {
|
|
DSI_ERR("no display timing nodes defined\n");
|
|
rc = -EINVAL;
|
|
goto parse_fail;
|
|
}
|
|
|
|
num_timings = utils->get_child_count(timings_np);
|
|
if (!num_timings || num_timings > DSI_MODE_MAX) {
|
|
DSI_ERR("invalid count of timing nodes: %d\n", num_timings);
|
|
rc = -EINVAL;
|
|
goto parse_fail;
|
|
}
|
|
|
|
utils_data = utils->data;
|
|
|
|
dsi_for_each_child_node(timings_np, child_np) {
|
|
if (index != child_idx++)
|
|
continue;
|
|
|
|
utils->data = child_np;
|
|
|
|
rc = dsi_panel_parse_timing(&mode->timing, utils);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse panel timing, rc=%d\n", rc);
|
|
goto parse_fail;
|
|
}
|
|
|
|
rc = dsi_panel_parse_dsc_params(mode, utils);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse dsc params, rc=%d\n", rc);
|
|
goto parse_fail;
|
|
}
|
|
|
|
rc = dsi_panel_parse_topology(prv_info, utils,
|
|
topology_override);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse panel topology, rc=%d\n", rc);
|
|
goto parse_fail;
|
|
}
|
|
|
|
rc = dsi_panel_parse_cmd_sets(prv_info, utils);
|
|
if (rc) {
|
|
DSI_ERR("failed to parse command sets, rc=%d\n", rc);
|
|
goto parse_fail;
|
|
}
|
|
|
|
rc = dsi_panel_parse_jitter_config(mode, utils);
|
|
if (rc)
|
|
DSI_ERR(
|
|
"failed to parse panel jitter config, rc=%d\n", rc);
|
|
|
|
rc = dsi_panel_parse_phy_timing(mode, utils);
|
|
if (rc) {
|
|
DSI_ERR(
|
|
"failed to parse panel phy timings, rc=%d\n", rc);
|
|
goto parse_fail;
|
|
}
|
|
|
|
rc = dsi_panel_parse_partial_update_caps(mode, utils);
|
|
if (rc)
|
|
DSI_ERR("failed to partial update caps, rc=%d\n", rc);
|
|
|
|
if (panel->panel_mode_switch_enabled) {
|
|
rc = dsi_panel_parse_panel_mode_caps(mode, utils);
|
|
if (rc) {
|
|
DSI_ERR("PMS: failed to parse panel mode\n");
|
|
rc = 0;
|
|
mode->panel_mode = panel->panel_mode;
|
|
}
|
|
} else {
|
|
mode->panel_mode = panel->panel_mode;
|
|
}
|
|
}
|
|
goto done;
|
|
|
|
parse_fail:
|
|
kfree(mode->priv_info);
|
|
mode->priv_info = NULL;
|
|
done:
|
|
utils->data = utils_data;
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_get_host_cfg_for_mode(struct dsi_panel *panel,
|
|
struct dsi_display_mode *mode,
|
|
struct dsi_host_config *config)
|
|
{
|
|
int rc = 0;
|
|
struct dsi_dyn_clk_caps *dyn_clk_caps = &panel->dyn_clk_caps;
|
|
|
|
if (!panel || !mode || !config) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
config->panel_mode = panel->panel_mode;
|
|
memcpy(&config->common_config, &panel->host_config,
|
|
sizeof(config->common_config));
|
|
|
|
if (panel->panel_mode == DSI_OP_VIDEO_MODE) {
|
|
memcpy(&config->u.video_engine, &panel->video_config,
|
|
sizeof(config->u.video_engine));
|
|
} else {
|
|
memcpy(&config->u.cmd_engine, &panel->cmd_config,
|
|
sizeof(config->u.cmd_engine));
|
|
}
|
|
|
|
memcpy(&config->video_timing, &mode->timing,
|
|
sizeof(config->video_timing));
|
|
config->video_timing.mdp_transfer_time_us =
|
|
mode->priv_info->mdp_transfer_time_us;
|
|
config->video_timing.dsc_enabled = mode->priv_info->dsc_enabled;
|
|
config->video_timing.dsc = &mode->priv_info->dsc;
|
|
|
|
if (dyn_clk_caps->dyn_clk_support)
|
|
config->bit_clk_rate_hz_override = mode->timing.clk_rate_hz;
|
|
else
|
|
config->bit_clk_rate_hz_override = mode->priv_info->clk_rate_hz;
|
|
|
|
config->esc_clk_rate_hz = 19200000;
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_pre_prepare(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
/* If LP11_INIT is set, panel will be powered up during prepare() */
|
|
if (panel->lp11_init)
|
|
goto error;
|
|
|
|
rc = dsi_panel_power_on(panel);
|
|
if (rc) {
|
|
DSI_ERR("[%s] panel power on failed, rc=%d\n", panel->name, rc);
|
|
goto error;
|
|
}
|
|
|
|
error:
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_update_pps(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
struct dsi_panel_cmd_set *set = NULL;
|
|
struct dsi_display_mode_priv_info *priv_info = NULL;
|
|
|
|
if (!panel || !panel->cur_mode) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
priv_info = panel->cur_mode->priv_info;
|
|
|
|
set = &priv_info->cmd_sets[DSI_CMD_SET_PPS];
|
|
|
|
dsi_dsc_create_pps_buf_cmd(&priv_info->dsc, panel->dsc_pps_cmd, 0);
|
|
rc = dsi_panel_create_cmd_packets(panel->dsc_pps_cmd,
|
|
DSI_CMD_PPS_SIZE, 1, set->cmds);
|
|
if (rc) {
|
|
DSI_ERR("failed to create cmd packets, rc=%d\n", rc);
|
|
goto error;
|
|
}
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_PPS);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_PPS cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
}
|
|
|
|
dsi_panel_destroy_cmd_packets(set);
|
|
error:
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_set_lp1(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
if (!panel->panel_initialized)
|
|
goto exit;
|
|
|
|
/*
|
|
* Consider LP1->LP2->LP1.
|
|
* If the panel is already in LP mode, do not need to
|
|
* set the regulator.
|
|
* IBB and AB power mode would be set at the same time
|
|
* in PMIC driver, so we only call ibb setting that is enough.
|
|
*/
|
|
if (dsi_panel_is_type_oled(panel) &&
|
|
panel->power_mode != SDE_MODE_DPMS_LP2)
|
|
dsi_pwr_panel_regulator_mode_set(&panel->power_info,
|
|
"ibb", REGULATOR_MODE_IDLE);
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_LP1);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_LP1 cmd, rc=%d\n",
|
|
panel->name, rc);
|
|
exit:
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_set_lp2(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
if (!panel->panel_initialized)
|
|
goto exit;
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_LP2);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_LP2 cmd, rc=%d\n",
|
|
panel->name, rc);
|
|
exit:
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_set_nolp(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
if (!panel->panel_initialized)
|
|
goto exit;
|
|
|
|
/*
|
|
* Consider about LP1->LP2->NOLP.
|
|
*/
|
|
if (dsi_panel_is_type_oled(panel) &&
|
|
(panel->power_mode == SDE_MODE_DPMS_LP1 ||
|
|
panel->power_mode == SDE_MODE_DPMS_LP2))
|
|
dsi_pwr_panel_regulator_mode_set(&panel->power_info,
|
|
"ibb", REGULATOR_MODE_NORMAL);
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_NOLP);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_NOLP cmd, rc=%d\n",
|
|
panel->name, rc);
|
|
exit:
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_prepare(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
if (panel->lp11_init) {
|
|
rc = dsi_panel_power_on(panel);
|
|
if (rc) {
|
|
DSI_ERR("[%s] panel power on failed, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_PRE_ON);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_PRE_ON cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
|
|
error:
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
static int dsi_panel_roi_prepare_dcs_cmds(struct dsi_panel_cmd_set *set,
|
|
struct dsi_rect *roi, int ctrl_idx, int unicast)
|
|
{
|
|
static const int ROI_CMD_LEN = 5;
|
|
|
|
int rc = 0;
|
|
|
|
/* DTYPE_DCS_LWRITE */
|
|
char *caset, *paset;
|
|
|
|
set->cmds = NULL;
|
|
|
|
caset = kzalloc(ROI_CMD_LEN, GFP_KERNEL);
|
|
if (!caset) {
|
|
rc = -ENOMEM;
|
|
goto exit;
|
|
}
|
|
caset[0] = 0x2a;
|
|
caset[1] = (roi->x & 0xFF00) >> 8;
|
|
caset[2] = roi->x & 0xFF;
|
|
caset[3] = ((roi->x - 1 + roi->w) & 0xFF00) >> 8;
|
|
caset[4] = (roi->x - 1 + roi->w) & 0xFF;
|
|
|
|
paset = kzalloc(ROI_CMD_LEN, GFP_KERNEL);
|
|
if (!paset) {
|
|
rc = -ENOMEM;
|
|
goto error_free_mem;
|
|
}
|
|
paset[0] = 0x2b;
|
|
paset[1] = (roi->y & 0xFF00) >> 8;
|
|
paset[2] = roi->y & 0xFF;
|
|
paset[3] = ((roi->y - 1 + roi->h) & 0xFF00) >> 8;
|
|
paset[4] = (roi->y - 1 + roi->h) & 0xFF;
|
|
|
|
set->type = DSI_CMD_SET_ROI;
|
|
set->state = DSI_CMD_SET_STATE_LP;
|
|
set->count = 2; /* send caset + paset together */
|
|
set->cmds = kcalloc(set->count, sizeof(*set->cmds), GFP_KERNEL);
|
|
if (!set->cmds) {
|
|
rc = -ENOMEM;
|
|
goto error_free_mem;
|
|
}
|
|
set->cmds[0].msg.channel = 0;
|
|
set->cmds[0].msg.type = MIPI_DSI_DCS_LONG_WRITE;
|
|
set->cmds[0].msg.flags = unicast ? MIPI_DSI_MSG_UNICAST : 0;
|
|
set->cmds[0].msg.ctrl = unicast ? ctrl_idx : 0;
|
|
set->cmds[0].msg.tx_len = ROI_CMD_LEN;
|
|
set->cmds[0].msg.tx_buf = caset;
|
|
set->cmds[0].msg.rx_len = 0;
|
|
set->cmds[0].msg.rx_buf = 0;
|
|
set->cmds[0].msg.wait_ms = 0;
|
|
set->cmds[0].last_command = 0;
|
|
set->cmds[0].post_wait_ms = 0;
|
|
|
|
set->cmds[1].msg.channel = 0;
|
|
set->cmds[1].msg.type = MIPI_DSI_DCS_LONG_WRITE;
|
|
set->cmds[1].msg.flags = unicast ? MIPI_DSI_MSG_UNICAST : 0;
|
|
set->cmds[1].msg.ctrl = unicast ? ctrl_idx : 0;
|
|
set->cmds[1].msg.tx_len = ROI_CMD_LEN;
|
|
set->cmds[1].msg.tx_buf = paset;
|
|
set->cmds[1].msg.rx_len = 0;
|
|
set->cmds[1].msg.rx_buf = 0;
|
|
set->cmds[1].msg.wait_ms = 0;
|
|
set->cmds[1].last_command = 1;
|
|
set->cmds[1].post_wait_ms = 0;
|
|
|
|
goto exit;
|
|
|
|
error_free_mem:
|
|
kfree(caset);
|
|
kfree(paset);
|
|
kfree(set->cmds);
|
|
|
|
exit:
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_send_qsync_on_dcs(struct dsi_panel *panel,
|
|
int ctrl_idx)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
DSI_DEBUG("ctrl:%d qsync on\n", ctrl_idx);
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_QSYNC_ON);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_QSYNC_ON cmds rc=%d\n",
|
|
panel->name, rc);
|
|
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_send_qsync_off_dcs(struct dsi_panel *panel,
|
|
int ctrl_idx)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
DSI_DEBUG("ctrl:%d qsync off\n", ctrl_idx);
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_QSYNC_OFF);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_QSYNC_OFF cmds rc=%d\n",
|
|
panel->name, rc);
|
|
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_send_roi_dcs(struct dsi_panel *panel, int ctrl_idx,
|
|
struct dsi_rect *roi)
|
|
{
|
|
int rc = 0;
|
|
struct dsi_panel_cmd_set *set;
|
|
struct dsi_display_mode_priv_info *priv_info;
|
|
|
|
if (!panel || !panel->cur_mode) {
|
|
DSI_ERR("Invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
priv_info = panel->cur_mode->priv_info;
|
|
set = &priv_info->cmd_sets[DSI_CMD_SET_ROI];
|
|
|
|
rc = dsi_panel_roi_prepare_dcs_cmds(set, roi, ctrl_idx, true);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to prepare DSI_CMD_SET_ROI cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
return rc;
|
|
}
|
|
DSI_DEBUG("[%s] send roi x %d y %d w %d h %d\n", panel->name,
|
|
roi->x, roi->y, roi->w, roi->h);
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_ROI);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_ROI cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
|
|
mutex_unlock(&panel->panel_lock);
|
|
|
|
dsi_panel_destroy_cmd_packets(set);
|
|
dsi_panel_dealloc_cmd_packets(set);
|
|
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_pre_mode_switch_to_video(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("Invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_CMD_TO_VID_SWITCH);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_CMD_TO_VID_SWITCH cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_pre_mode_switch_to_cmd(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("Invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_VID_TO_CMD_SWITCH);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_CMD_TO_VID_SWITCH cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_mode_switch_to_cmd(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("Invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_POST_VID_TO_CMD_SWITCH);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_CMD_TO_VID_SWITCH cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_mode_switch_to_vid(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("Invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_POST_CMD_TO_VID_SWITCH);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_CMD_TO_VID_SWITCH cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_switch(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("Invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_TIMING_SWITCH);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_TIMING_SWITCH cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_post_switch(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("Invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_POST_TIMING_SWITCH);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_POST_TIMING_SWITCH cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_enable(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("Invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_ON);
|
|
if (rc)
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_ON cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
else
|
|
panel->panel_initialized = true;
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_post_enable(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_POST_ON);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_POST_ON cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
error:
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_pre_disable(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_PRE_OFF);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_PRE_OFF cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
|
|
error:
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_disable(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
/* Avoid sending panel off commands when ESD recovery is underway */
|
|
if (!atomic_read(&panel->esd_recovery_pending)) {
|
|
/*
|
|
* Need to set IBB/AB regulator mode to STANDBY,
|
|
* if panel is going off from AOD mode.
|
|
*/
|
|
if (dsi_panel_is_type_oled(panel) &&
|
|
(panel->power_mode == SDE_MODE_DPMS_LP1 ||
|
|
panel->power_mode == SDE_MODE_DPMS_LP2))
|
|
dsi_pwr_panel_regulator_mode_set(&panel->power_info,
|
|
"ibb", REGULATOR_MODE_STANDBY);
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_OFF);
|
|
if (rc) {
|
|
/*
|
|
* Sending panel off commands may fail when DSI
|
|
* controller is in a bad state. These failures can be
|
|
* ignored since controller will go for full reset on
|
|
* subsequent display enable anyway.
|
|
*/
|
|
pr_warn_ratelimited("[%s] failed to send DSI_CMD_SET_OFF cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
rc = 0;
|
|
}
|
|
}
|
|
panel->panel_initialized = false;
|
|
panel->power_mode = SDE_MODE_DPMS_OFF;
|
|
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_unprepare(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_POST_OFF);
|
|
if (rc) {
|
|
DSI_ERR("[%s] failed to send DSI_CMD_SET_POST_OFF cmds, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
|
|
error:
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|
|
|
|
int dsi_panel_post_unprepare(struct dsi_panel *panel)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (!panel) {
|
|
DSI_ERR("invalid params\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&panel->panel_lock);
|
|
|
|
rc = dsi_panel_power_off(panel);
|
|
if (rc) {
|
|
DSI_ERR("[%s] panel power_Off failed, rc=%d\n",
|
|
panel->name, rc);
|
|
goto error;
|
|
}
|
|
error:
|
|
mutex_unlock(&panel->panel_lock);
|
|
return rc;
|
|
}
|