| /* |
| * Copyright (c) 2015-2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| */ |
| |
| #define pr_fmt(fmt) "msm-dsi-catalog:[%s] " fmt, __func__ |
| #include <linux/errno.h> |
| |
| #include "dsi_catalog.h" |
| |
| /** |
| * dsi_catalog_cmn_init() - catalog init for dsi controller v1.4 |
| */ |
| static void dsi_catalog_cmn_init(struct dsi_ctrl_hw *ctrl, |
| enum dsi_ctrl_version version) |
| { |
| /* common functions */ |
| ctrl->ops.host_setup = dsi_ctrl_hw_cmn_host_setup; |
| ctrl->ops.video_engine_en = dsi_ctrl_hw_cmn_video_engine_en; |
| ctrl->ops.video_engine_setup = dsi_ctrl_hw_cmn_video_engine_setup; |
| ctrl->ops.set_video_timing = dsi_ctrl_hw_cmn_set_video_timing; |
| ctrl->ops.cmd_engine_setup = dsi_ctrl_hw_cmn_cmd_engine_setup; |
| ctrl->ops.setup_cmd_stream = dsi_ctrl_hw_cmn_setup_cmd_stream; |
| ctrl->ops.ctrl_en = dsi_ctrl_hw_cmn_ctrl_en; |
| ctrl->ops.cmd_engine_en = dsi_ctrl_hw_cmn_cmd_engine_en; |
| ctrl->ops.phy_sw_reset = dsi_ctrl_hw_cmn_phy_sw_reset; |
| ctrl->ops.soft_reset = dsi_ctrl_hw_cmn_soft_reset; |
| ctrl->ops.kickoff_command = dsi_ctrl_hw_cmn_kickoff_command; |
| ctrl->ops.kickoff_fifo_command = dsi_ctrl_hw_cmn_kickoff_fifo_command; |
| ctrl->ops.reset_cmd_fifo = dsi_ctrl_hw_cmn_reset_cmd_fifo; |
| ctrl->ops.trigger_command_dma = dsi_ctrl_hw_cmn_trigger_command_dma; |
| ctrl->ops.get_interrupt_status = dsi_ctrl_hw_cmn_get_interrupt_status; |
| ctrl->ops.get_error_status = dsi_ctrl_hw_cmn_get_error_status; |
| ctrl->ops.clear_error_status = dsi_ctrl_hw_cmn_clear_error_status; |
| ctrl->ops.clear_interrupt_status = |
| dsi_ctrl_hw_cmn_clear_interrupt_status; |
| ctrl->ops.enable_status_interrupts = |
| dsi_ctrl_hw_cmn_enable_status_interrupts; |
| ctrl->ops.enable_error_interrupts = |
| dsi_ctrl_hw_cmn_enable_error_interrupts; |
| ctrl->ops.video_test_pattern_setup = |
| dsi_ctrl_hw_cmn_video_test_pattern_setup; |
| ctrl->ops.cmd_test_pattern_setup = |
| dsi_ctrl_hw_cmn_cmd_test_pattern_setup; |
| ctrl->ops.test_pattern_enable = dsi_ctrl_hw_cmn_test_pattern_enable; |
| ctrl->ops.trigger_cmd_test_pattern = |
| dsi_ctrl_hw_cmn_trigger_cmd_test_pattern; |
| ctrl->ops.clear_phy0_ln_err = dsi_ctrl_hw_dln0_phy_err; |
| ctrl->ops.phy_reset_config = dsi_ctrl_hw_cmn_phy_reset_config; |
| |
| switch (version) { |
| case DSI_CTRL_VERSION_1_4: |
| ctrl->ops.setup_lane_map = dsi_ctrl_hw_14_setup_lane_map; |
| ctrl->ops.ulps_ops.ulps_request = dsi_ctrl_hw_14_ulps_request; |
| ctrl->ops.ulps_ops.ulps_exit = dsi_ctrl_hw_14_ulps_exit; |
| ctrl->ops.wait_for_lane_idle = |
| dsi_ctrl_hw_14_wait_for_lane_idle; |
| ctrl->ops.ulps_ops.get_lanes_in_ulps = |
| dsi_ctrl_hw_14_get_lanes_in_ulps; |
| ctrl->ops.clamp_enable = dsi_ctrl_hw_14_clamp_enable; |
| ctrl->ops.clamp_disable = dsi_ctrl_hw_14_clamp_disable; |
| ctrl->ops.reg_dump_to_buffer = |
| dsi_ctrl_hw_14_reg_dump_to_buffer; |
| break; |
| case DSI_CTRL_VERSION_2_0: |
| ctrl->ops.setup_lane_map = dsi_ctrl_hw_20_setup_lane_map; |
| ctrl->ops.wait_for_lane_idle = |
| dsi_ctrl_hw_20_wait_for_lane_idle; |
| ctrl->ops.reg_dump_to_buffer = |
| dsi_ctrl_hw_20_reg_dump_to_buffer; |
| ctrl->ops.ulps_ops.ulps_request = NULL; |
| ctrl->ops.ulps_ops.ulps_exit = NULL; |
| ctrl->ops.ulps_ops.get_lanes_in_ulps = NULL; |
| ctrl->ops.clamp_enable = NULL; |
| ctrl->ops.clamp_disable = NULL; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| /** |
| * dsi_catalog_ctrl_setup() - return catalog info for dsi controller |
| * @ctrl: Pointer to DSI controller hw object. |
| * @version: DSI controller version. |
| * @index: DSI controller instance ID. |
| * |
| * This function setups the catalog information in the dsi_ctrl_hw object. |
| * |
| * return: error code for failure and 0 for success. |
| */ |
| int dsi_catalog_ctrl_setup(struct dsi_ctrl_hw *ctrl, |
| enum dsi_ctrl_version version, |
| u32 index) |
| { |
| int rc = 0; |
| |
| if (version == DSI_CTRL_VERSION_UNKNOWN || |
| version >= DSI_CTRL_VERSION_MAX) { |
| pr_err("Unsupported version: %d\n", version); |
| return -ENOTSUPP; |
| } |
| |
| ctrl->index = index; |
| set_bit(DSI_CTRL_VIDEO_TPG, ctrl->feature_map); |
| set_bit(DSI_CTRL_CMD_TPG, ctrl->feature_map); |
| set_bit(DSI_CTRL_VARIABLE_REFRESH_RATE, ctrl->feature_map); |
| set_bit(DSI_CTRL_DYNAMIC_REFRESH, ctrl->feature_map); |
| set_bit(DSI_CTRL_DESKEW_CALIB, ctrl->feature_map); |
| set_bit(DSI_CTRL_DPHY, ctrl->feature_map); |
| |
| switch (version) { |
| case DSI_CTRL_VERSION_1_4: |
| case DSI_CTRL_VERSION_2_0: |
| dsi_catalog_cmn_init(ctrl, version); |
| break; |
| default: |
| return -ENOTSUPP; |
| } |
| |
| return rc; |
| } |
| |
| /** |
| * dsi_catalog_phy_2_0_init() - catalog init for DSI PHY 14nm |
| */ |
| static void dsi_catalog_phy_2_0_init(struct dsi_phy_hw *phy) |
| { |
| phy->ops.regulator_enable = dsi_phy_hw_v2_0_regulator_enable; |
| phy->ops.regulator_disable = dsi_phy_hw_v2_0_regulator_disable; |
| phy->ops.enable = dsi_phy_hw_v2_0_enable; |
| phy->ops.disable = dsi_phy_hw_v2_0_disable; |
| phy->ops.calculate_timing_params = |
| dsi_phy_hw_calculate_timing_params; |
| phy->ops.phy_idle_on = dsi_phy_hw_v2_0_idle_on; |
| phy->ops.phy_idle_off = dsi_phy_hw_v2_0_idle_off; |
| phy->ops.calculate_timing_params = |
| dsi_phy_hw_calculate_timing_params; |
| phy->ops.phy_timing_val = dsi_phy_hw_timing_val_v2_0; |
| } |
| |
| /** |
| * dsi_catalog_phy_3_0_init() - catalog init for DSI PHY 10nm |
| */ |
| static void dsi_catalog_phy_3_0_init(struct dsi_phy_hw *phy) |
| { |
| phy->ops.regulator_enable = dsi_phy_hw_v3_0_regulator_enable; |
| phy->ops.regulator_disable = dsi_phy_hw_v3_0_regulator_disable; |
| phy->ops.enable = dsi_phy_hw_v3_0_enable; |
| phy->ops.disable = dsi_phy_hw_v3_0_disable; |
| phy->ops.calculate_timing_params = |
| dsi_phy_hw_calculate_timing_params; |
| phy->ops.ulps_ops.wait_for_lane_idle = |
| dsi_phy_hw_v3_0_wait_for_lane_idle; |
| phy->ops.ulps_ops.ulps_request = |
| dsi_phy_hw_v3_0_ulps_request; |
| phy->ops.ulps_ops.ulps_exit = |
| dsi_phy_hw_v3_0_ulps_exit; |
| phy->ops.ulps_ops.get_lanes_in_ulps = |
| dsi_phy_hw_v3_0_get_lanes_in_ulps; |
| phy->ops.phy_timing_val = dsi_phy_hw_timing_val_v3_0; |
| } |
| |
| /** |
| * dsi_catalog_phy_setup() - return catalog info for dsi phy hardware |
| * @ctrl: Pointer to DSI PHY hw object. |
| * @version: DSI PHY version. |
| * @index: DSI PHY instance ID. |
| * |
| * This function setups the catalog information in the dsi_phy_hw object. |
| * |
| * return: error code for failure and 0 for success. |
| */ |
| int dsi_catalog_phy_setup(struct dsi_phy_hw *phy, |
| enum dsi_phy_version version, |
| u32 index) |
| { |
| int rc = 0; |
| |
| if (version == DSI_PHY_VERSION_UNKNOWN || |
| version >= DSI_PHY_VERSION_MAX) { |
| pr_err("Unsupported version: %d\n", version); |
| return -ENOTSUPP; |
| } |
| |
| phy->index = index; |
| set_bit(DSI_PHY_DPHY, phy->feature_map); |
| |
| dsi_phy_timing_calc_init(phy, version); |
| |
| switch (version) { |
| case DSI_PHY_VERSION_2_0: |
| dsi_catalog_phy_2_0_init(phy); |
| break; |
| case DSI_PHY_VERSION_3_0: |
| dsi_catalog_phy_3_0_init(phy); |
| break; |
| case DSI_PHY_VERSION_0_0_HPM: |
| case DSI_PHY_VERSION_0_0_LPM: |
| case DSI_PHY_VERSION_1_0: |
| default: |
| return -ENOTSUPP; |
| } |
| |
| return rc; |
| } |
| |
| |