diff --git a/drivers/gpu/drm/msm/dsi-staging/dsi_catalog.c b/drivers/gpu/drm/msm/dsi-staging/dsi_catalog.c new file mode 100644 index 000000000000..114998fb8fc5 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi-staging/dsi_catalog.c @@ -0,0 +1,167 @@ +/* + * Copyright (c) 2015-2016, 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 + +#include "dsi_catalog.h" + +/** + * dsi_catalog_14_init() - catalog init for dsi controller v1.4 + */ +static void dsi_catalog_14_init(struct dsi_ctrl_hw *ctrl) +{ + ctrl->ops.host_setup = dsi_ctrl_hw_14_host_setup; + ctrl->ops.setup_lane_map = dsi_ctrl_hw_14_setup_lane_map; + ctrl->ops.video_engine_en = dsi_ctrl_hw_14_video_engine_en; + ctrl->ops.video_engine_setup = dsi_ctrl_hw_14_video_engine_setup; + ctrl->ops.set_video_timing = dsi_ctrl_hw_14_set_video_timing; + ctrl->ops.cmd_engine_setup = dsi_ctrl_hw_14_cmd_engine_setup; + ctrl->ops.ctrl_en = dsi_ctrl_hw_14_ctrl_en; + ctrl->ops.cmd_engine_en = dsi_ctrl_hw_14_cmd_engine_en; + ctrl->ops.phy_sw_reset = dsi_ctrl_hw_14_phy_sw_reset; + ctrl->ops.soft_reset = dsi_ctrl_hw_14_soft_reset; + ctrl->ops.kickoff_command = dsi_ctrl_hw_14_kickoff_command; + ctrl->ops.kickoff_fifo_command = dsi_ctrl_hw_14_kickoff_fifo_command; + ctrl->ops.reset_cmd_fifo = dsi_ctrl_hw_14_reset_cmd_fifo; + ctrl->ops.trigger_command_dma = dsi_ctrl_hw_14_trigger_command_dma; + ctrl->ops.ulps_request = dsi_ctrl_hw_14_ulps_request; + ctrl->ops.ulps_exit = dsi_ctrl_hw_14_ulps_exit; + ctrl->ops.clear_ulps_request = dsi_ctrl_hw_14_clear_ulps_request; + ctrl->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.get_interrupt_status = dsi_ctrl_hw_14_get_interrupt_status; + ctrl->ops.get_error_status = dsi_ctrl_hw_14_get_error_status; + ctrl->ops.clear_error_status = dsi_ctrl_hw_14_clear_error_status; + ctrl->ops.clear_interrupt_status = + dsi_ctrl_hw_14_clear_interrupt_status; + ctrl->ops.enable_status_interrupts = + dsi_ctrl_hw_14_enable_status_interrupts; + ctrl->ops.enable_error_interrupts = + dsi_ctrl_hw_14_enable_error_interrupts; + ctrl->ops.video_test_pattern_setup = + dsi_ctrl_hw_14_video_test_pattern_setup; + ctrl->ops.cmd_test_pattern_setup = + dsi_ctrl_hw_14_cmd_test_pattern_setup; + ctrl->ops.test_pattern_enable = dsi_ctrl_hw_14_test_pattern_enable; + ctrl->ops.trigger_cmd_test_pattern = + dsi_ctrl_hw_14_trigger_cmd_test_pattern; +} + +/** + * dsi_catalog_20_init() - catalog init for dsi controller v2.0 + */ +static void dsi_catalog_20_init(struct dsi_ctrl_hw *ctrl) +{ + set_bit(DSI_CTRL_CPHY, ctrl->feature_map); +} + +/** + * 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: + dsi_catalog_14_init(ctrl); + break; + case DSI_CTRL_VERSION_2_0: + dsi_catalog_20_init(ctrl); + break; + default: + return -ENOTSUPP; + } + + return rc; +} + +/** + * dsi_catalog_phy_4_0_init() - catalog init for DSI PHY v4.0 + */ +static void dsi_catalog_phy_4_0_init(struct dsi_phy_hw *phy) +{ + phy->ops.regulator_enable = dsi_phy_hw_v4_0_regulator_enable; + phy->ops.regulator_disable = dsi_phy_hw_v4_0_regulator_disable; + phy->ops.enable = dsi_phy_hw_v4_0_enable; + phy->ops.disable = dsi_phy_hw_v4_0_disable; + phy->ops.calculate_timing_params = + dsi_phy_hw_v4_0_calculate_timing_params; +} + +/** + * 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); + + switch (version) { + case DSI_PHY_VERSION_4_0: + dsi_catalog_phy_4_0_init(phy); + break; + case DSI_PHY_VERSION_1_0: + case DSI_PHY_VERSION_2_0: + case DSI_PHY_VERSION_3_0: + default: + return -ENOTSUPP; + } + + return rc; +} + + diff --git a/drivers/gpu/drm/msm/dsi-staging/dsi_catalog.h b/drivers/gpu/drm/msm/dsi-staging/dsi_catalog.h new file mode 100644 index 000000000000..e4b33c259540 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi-staging/dsi_catalog.h @@ -0,0 +1,125 @@ +/* + * Copyright (c) 2015-2016, 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. + * + */ + +#ifndef _DSI_CATALOG_H_ +#define _DSI_CATALOG_H_ + +#include "dsi_ctrl_hw.h" +#include "dsi_phy_hw.h" + +/** + * 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); + +/** + * 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); + +/* Definitions for 4.0 PHY hardware driver */ +void dsi_phy_hw_v4_0_regulator_enable(struct dsi_phy_hw *phy, + struct dsi_phy_per_lane_cfgs *cfg); +void dsi_phy_hw_v4_0_regulator_disable(struct dsi_phy_hw *phy); +void dsi_phy_hw_v4_0_enable(struct dsi_phy_hw *phy, struct dsi_phy_cfg *cfg); +void dsi_phy_hw_v4_0_disable(struct dsi_phy_hw *phy); +int dsi_phy_hw_v4_0_calculate_timing_params(struct dsi_phy_hw *phy, + struct dsi_mode_info *mode, + struct dsi_host_common_cfg *cfg, + struct dsi_phy_per_lane_cfgs + *timing); + +/* Definitions for 1.4 controller hardware driver */ +void dsi_ctrl_hw_14_host_setup(struct dsi_ctrl_hw *ctrl, + struct dsi_host_common_cfg *config); +void dsi_ctrl_hw_14_video_engine_en(struct dsi_ctrl_hw *ctrl, bool on); +void dsi_ctrl_hw_14_video_engine_setup(struct dsi_ctrl_hw *ctrl, + struct dsi_host_common_cfg *common_cfg, + struct dsi_video_engine_cfg *cfg); +void dsi_ctrl_hw_14_set_video_timing(struct dsi_ctrl_hw *ctrl, + struct dsi_mode_info *mode); + +void dsi_ctrl_hw_14_cmd_engine_setup(struct dsi_ctrl_hw *ctrl, + struct dsi_host_common_cfg *common_cfg, + struct dsi_cmd_engine_cfg *cfg); + +void dsi_ctrl_hw_14_ctrl_en(struct dsi_ctrl_hw *ctrl, bool on); +void dsi_ctrl_hw_14_cmd_engine_en(struct dsi_ctrl_hw *ctrl, bool on); + +void dsi_ctrl_hw_14_phy_sw_reset(struct dsi_ctrl_hw *ctrl); +void dsi_ctrl_hw_14_soft_reset(struct dsi_ctrl_hw *ctrl); + +void dsi_ctrl_hw_14_setup_lane_map(struct dsi_ctrl_hw *ctrl, + struct dsi_lane_mapping *lane_map); +void dsi_ctrl_hw_14_kickoff_command(struct dsi_ctrl_hw *ctrl, + struct dsi_ctrl_cmd_dma_info *cmd, + u32 flags); + +void dsi_ctrl_hw_14_kickoff_fifo_command(struct dsi_ctrl_hw *ctrl, + struct dsi_ctrl_cmd_dma_fifo_info *cmd, + u32 flags); +void dsi_ctrl_hw_14_reset_cmd_fifo(struct dsi_ctrl_hw *ctrl); +void dsi_ctrl_hw_14_trigger_command_dma(struct dsi_ctrl_hw *ctrl); + +void dsi_ctrl_hw_14_ulps_request(struct dsi_ctrl_hw *ctrl, u32 lanes); +void dsi_ctrl_hw_14_ulps_exit(struct dsi_ctrl_hw *ctrl, u32 lanes); +void dsi_ctrl_hw_14_clear_ulps_request(struct dsi_ctrl_hw *ctrl, u32 lanes); +u32 dsi_ctrl_hw_14_get_lanes_in_ulps(struct dsi_ctrl_hw *ctrl); + +void dsi_ctrl_hw_14_clamp_enable(struct dsi_ctrl_hw *ctrl, + u32 lanes, + bool enable_ulps); + +void dsi_ctrl_hw_14_clamp_disable(struct dsi_ctrl_hw *ctrl, + u32 lanes, + bool disable_ulps); +u32 dsi_ctrl_hw_14_get_interrupt_status(struct dsi_ctrl_hw *ctrl); +void dsi_ctrl_hw_14_clear_interrupt_status(struct dsi_ctrl_hw *ctrl, u32 ints); +void dsi_ctrl_hw_14_enable_status_interrupts(struct dsi_ctrl_hw *ctrl, + u32 ints); + +u64 dsi_ctrl_hw_14_get_error_status(struct dsi_ctrl_hw *ctrl); +void dsi_ctrl_hw_14_clear_error_status(struct dsi_ctrl_hw *ctrl, u64 errors); +void dsi_ctrl_hw_14_enable_error_interrupts(struct dsi_ctrl_hw *ctrl, + u64 errors); + +void dsi_ctrl_hw_14_video_test_pattern_setup(struct dsi_ctrl_hw *ctrl, + enum dsi_test_pattern type, + u32 init_val); +void dsi_ctrl_hw_14_cmd_test_pattern_setup(struct dsi_ctrl_hw *ctrl, + enum dsi_test_pattern type, + u32 init_val, + u32 stream_id); +void dsi_ctrl_hw_14_test_pattern_enable(struct dsi_ctrl_hw *ctrl, bool enable); +void dsi_ctrl_hw_14_trigger_cmd_test_pattern(struct dsi_ctrl_hw *ctrl, + u32 stream_id); +#endif /* _DSI_CATALOG_H_ */