// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2016 Allwinnertech Co., Ltd. * Copyright (C) 2017-2018 Bootlin * * Maxime Ripard <[email protected]> */ #include <linux/clk.h> #include <linux/component.h> #include <linux/crc-ccitt.h> #include <linux/module.h> #include <linux/of_address.h> #include <linux/phy/phy-mipi-dphy.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/reset.h> #include <linux/slab.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_panel.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include <drm/drm_simple_kms_helper.h> #include "sun4i_crtc.h" #include "sun4i_tcon.h" #include "sun6i_mipi_dsi.h" #include <video/mipi_display.h> #define SUN6I_DSI_CTL_REG … #define SUN6I_DSI_CTL_EN … #define SUN6I_DSI_BASIC_CTL_REG … #define SUN6I_DSI_BASIC_CTL_TRAIL_INV(n) … #define SUN6I_DSI_BASIC_CTL_TRAIL_FILL … #define SUN6I_DSI_BASIC_CTL_HBP_DIS … #define SUN6I_DSI_BASIC_CTL_HSA_HSE_DIS … #define SUN6I_DSI_BASIC_CTL_VIDEO_BURST … #define SUN6I_DSI_BASIC_CTL0_REG … #define SUN6I_DSI_BASIC_CTL0_HS_EOTP_EN … #define SUN6I_DSI_BASIC_CTL0_CRC_EN … #define SUN6I_DSI_BASIC_CTL0_ECC_EN … #define SUN6I_DSI_BASIC_CTL0_INST_ST … #define SUN6I_DSI_BASIC_CTL1_REG … #define SUN6I_DSI_BASIC_CTL1_VIDEO_ST_DELAY(n) … #define SUN6I_DSI_BASIC_CTL1_VIDEO_FILL … #define SUN6I_DSI_BASIC_CTL1_VIDEO_PRECISION … #define SUN6I_DSI_BASIC_CTL1_VIDEO_MODE … #define SUN6I_DSI_BASIC_SIZE0_REG … #define SUN6I_DSI_BASIC_SIZE0_VBP(n) … #define SUN6I_DSI_BASIC_SIZE0_VSA(n) … #define SUN6I_DSI_BASIC_SIZE1_REG … #define SUN6I_DSI_BASIC_SIZE1_VT(n) … #define SUN6I_DSI_BASIC_SIZE1_VACT(n) … #define SUN6I_DSI_INST_FUNC_REG(n) … #define SUN6I_DSI_INST_FUNC_INST_MODE(n) … #define SUN6I_DSI_INST_FUNC_ESCAPE_ENTRY(n) … #define SUN6I_DSI_INST_FUNC_TRANS_PACKET(n) … #define SUN6I_DSI_INST_FUNC_LANE_CEN … #define SUN6I_DSI_INST_FUNC_LANE_DEN(n) … #define SUN6I_DSI_INST_LOOP_SEL_REG … #define SUN6I_DSI_INST_LOOP_NUM_REG(n) … #define SUN6I_DSI_INST_LOOP_NUM_N1(n) … #define SUN6I_DSI_INST_LOOP_NUM_N0(n) … #define SUN6I_DSI_INST_JUMP_SEL_REG … #define SUN6I_DSI_INST_JUMP_CFG_REG(n) … #define SUN6I_DSI_INST_JUMP_CFG_TO(n) … #define SUN6I_DSI_INST_JUMP_CFG_POINT(n) … #define SUN6I_DSI_INST_JUMP_CFG_NUM(n) … #define SUN6I_DSI_TRANS_START_REG … #define SUN6I_DSI_TRANS_ZERO_REG … #define SUN6I_DSI_TCON_DRQ_REG … #define SUN6I_DSI_TCON_DRQ_ENABLE_MODE … #define SUN6I_DSI_TCON_DRQ_SET(n) … #define SUN6I_DSI_PIXEL_CTL0_REG … #define SUN6I_DSI_PIXEL_CTL0_PD_PLUG_DISABLE … #define SUN6I_DSI_PIXEL_CTL0_FORMAT(n) … #define SUN6I_DSI_PIXEL_CTL1_REG … #define SUN6I_DSI_PIXEL_PH_REG … #define SUN6I_DSI_PIXEL_PH_ECC(n) … #define SUN6I_DSI_PIXEL_PH_WC(n) … #define SUN6I_DSI_PIXEL_PH_VC(n) … #define SUN6I_DSI_PIXEL_PH_DT(n) … #define SUN6I_DSI_PIXEL_PF0_REG … #define SUN6I_DSI_PIXEL_PF0_CRC_FORCE(n) … #define SUN6I_DSI_PIXEL_PF1_REG … #define SUN6I_DSI_PIXEL_PF1_CRC_INIT_LINEN(n) … #define SUN6I_DSI_PIXEL_PF1_CRC_INIT_LINE0(n) … #define SUN6I_DSI_SYNC_HSS_REG … #define SUN6I_DSI_SYNC_HSE_REG … #define SUN6I_DSI_SYNC_VSS_REG … #define SUN6I_DSI_SYNC_VSE_REG … #define SUN6I_DSI_BLK_HSA0_REG … #define SUN6I_DSI_BLK_HSA1_REG … #define SUN6I_DSI_BLK_PF(n) … #define SUN6I_DSI_BLK_PD(n) … #define SUN6I_DSI_BLK_HBP0_REG … #define SUN6I_DSI_BLK_HBP1_REG … #define SUN6I_DSI_BLK_HFP0_REG … #define SUN6I_DSI_BLK_HFP1_REG … #define SUN6I_DSI_BLK_HBLK0_REG … #define SUN6I_DSI_BLK_HBLK1_REG … #define SUN6I_DSI_BLK_VBLK0_REG … #define SUN6I_DSI_BLK_VBLK1_REG … #define SUN6I_DSI_BURST_LINE_REG … #define SUN6I_DSI_BURST_LINE_SYNC_POINT(n) … #define SUN6I_DSI_BURST_LINE_NUM(n) … #define SUN6I_DSI_BURST_DRQ_REG … #define SUN6I_DSI_BURST_DRQ_EDGE1(n) … #define SUN6I_DSI_BURST_DRQ_EDGE0(n) … #define SUN6I_DSI_CMD_CTL_REG … #define SUN6I_DSI_CMD_CTL_RX_OVERFLOW … #define SUN6I_DSI_CMD_CTL_RX_FLAG … #define SUN6I_DSI_CMD_CTL_TX_FLAG … #define SUN6I_DSI_CMD_RX_REG(n) … #define SUN6I_DSI_DEBUG_DATA_REG … #define SUN6I_DSI_CMD_TX_REG(n) … #define SUN6I_DSI_SYNC_POINT … enum sun6i_dsi_start_inst { … }; enum sun6i_dsi_inst_id { … }; enum sun6i_dsi_inst_mode { … }; enum sun6i_dsi_inst_escape { … }; enum sun6i_dsi_inst_packet { … }; static const u32 sun6i_dsi_ecc_array[] = …; static u32 sun6i_dsi_ecc_compute(unsigned int data) { … } static u16 sun6i_dsi_crc_compute(u8 const *buffer, size_t len) { … } static u16 sun6i_dsi_crc_repeat(u8 pd, u8 *buffer, size_t len) { … } static u32 sun6i_dsi_build_sync_pkt(u8 dt, u8 vc, u8 d0, u8 d1) { … } static u32 sun6i_dsi_build_blk0_pkt(u8 vc, u16 wc) { … } static u32 sun6i_dsi_build_blk1_pkt(u16 pd, u8 *buffer, size_t len) { … } static void sun6i_dsi_inst_abort(struct sun6i_dsi *dsi) { … } static void sun6i_dsi_inst_commit(struct sun6i_dsi *dsi) { … } static int sun6i_dsi_inst_wait_for_completion(struct sun6i_dsi *dsi) { … } static void sun6i_dsi_inst_setup(struct sun6i_dsi *dsi, enum sun6i_dsi_inst_id id, enum sun6i_dsi_inst_mode mode, bool clock, u8 data, enum sun6i_dsi_inst_packet packet, enum sun6i_dsi_inst_escape escape) { … } static void sun6i_dsi_inst_init(struct sun6i_dsi *dsi, struct mipi_dsi_device *device) { u8 lanes_mask = GENMASK(device->lanes - 1, 0); sun6i_dsi_inst_setup(dsi, DSI_INST_ID_LP11, DSI_INST_MODE_STOP, true, lanes_mask, 0, 0); sun6i_dsi_inst_setup(dsi, DSI_INST_ID_TBA, DSI_INST_MODE_TBA, false, 1, 0, 0); sun6i_dsi_inst_setup(dsi, DSI_INST_ID_HSC, DSI_INST_MODE_HS, true, 0, DSI_INST_PACK_PIXEL, 0); sun6i_dsi_inst_setup(dsi, DSI_INST_ID_HSD, DSI_INST_MODE_HS, false, lanes_mask, DSI_INST_PACK_PIXEL, 0); sun6i_dsi_inst_setup(dsi, DSI_INST_ID_LPDT, DSI_INST_MODE_ESCAPE, false, 1, DSI_INST_PACK_COMMAND, DSI_INST_ESCA_LPDT); sun6i_dsi_inst_setup(dsi, DSI_INST_ID_HSCEXIT, DSI_INST_MODE_HSCEXIT, true, 0, 0, 0); sun6i_dsi_inst_setup(dsi, DSI_INST_ID_NOP, DSI_INST_MODE_STOP, false, lanes_mask, 0, 0); sun6i_dsi_inst_setup(dsi, DSI_INST_ID_DLY, DSI_INST_MODE_NOP, true, lanes_mask, 0, 0); regmap_write(dsi->regs, SUN6I_DSI_INST_JUMP_CFG_REG(0), SUN6I_DSI_INST_JUMP_CFG_POINT(DSI_INST_ID_NOP) | SUN6I_DSI_INST_JUMP_CFG_TO(DSI_INST_ID_HSCEXIT) | SUN6I_DSI_INST_JUMP_CFG_NUM(1)); }; static u16 sun6i_dsi_get_video_start_delay(struct sun6i_dsi *dsi, struct drm_display_mode *mode) { … } static u16 sun6i_dsi_get_line_num(struct sun6i_dsi *dsi, struct drm_display_mode *mode) { … } static u16 sun6i_dsi_get_drq_edge0(struct sun6i_dsi *dsi, struct drm_display_mode *mode, u16 line_num, u16 edge1) { … } static u16 sun6i_dsi_get_drq_edge1(struct sun6i_dsi *dsi, struct drm_display_mode *mode, u16 line_num) { … } static void sun6i_dsi_setup_burst(struct sun6i_dsi *dsi, struct drm_display_mode *mode) { … } static void sun6i_dsi_setup_inst_loop(struct sun6i_dsi *dsi, struct drm_display_mode *mode) { … } static void sun6i_dsi_setup_format(struct sun6i_dsi *dsi, struct drm_display_mode *mode) { … } static void sun6i_dsi_setup_timings(struct sun6i_dsi *dsi, struct drm_display_mode *mode) { … } static int sun6i_dsi_start(struct sun6i_dsi *dsi, enum sun6i_dsi_start_inst func) { … } static void sun6i_dsi_encoder_enable(struct drm_encoder *encoder) { … } static void sun6i_dsi_encoder_disable(struct drm_encoder *encoder) { … } static int sun6i_dsi_get_modes(struct drm_connector *connector) { … } static const struct drm_connector_helper_funcs sun6i_dsi_connector_helper_funcs = …; static enum drm_connector_status sun6i_dsi_connector_detect(struct drm_connector *connector, bool force) { … } static const struct drm_connector_funcs sun6i_dsi_connector_funcs = …; static const struct drm_encoder_helper_funcs sun6i_dsi_enc_helper_funcs = …; static u32 sun6i_dsi_dcs_build_pkt_hdr(struct sun6i_dsi *dsi, const struct mipi_dsi_msg *msg) { … } static int sun6i_dsi_dcs_write_short(struct sun6i_dsi *dsi, const struct mipi_dsi_msg *msg) { … } static int sun6i_dsi_dcs_write_long(struct sun6i_dsi *dsi, const struct mipi_dsi_msg *msg) { … } static int sun6i_dsi_dcs_read(struct sun6i_dsi *dsi, const struct mipi_dsi_msg *msg) { … } static int sun6i_dsi_attach(struct mipi_dsi_host *host, struct mipi_dsi_device *device) { … } static int sun6i_dsi_detach(struct mipi_dsi_host *host, struct mipi_dsi_device *device) { … } static ssize_t sun6i_dsi_transfer(struct mipi_dsi_host *host, const struct mipi_dsi_msg *msg) { … } static const struct mipi_dsi_host_ops sun6i_dsi_host_ops = …; static const struct regmap_config sun6i_dsi_regmap_config = …; static int sun6i_dsi_bind(struct device *dev, struct device *master, void *data) { … } static void sun6i_dsi_unbind(struct device *dev, struct device *master, void *data) { … } static const struct component_ops sun6i_dsi_ops = …; static int sun6i_dsi_probe(struct platform_device *pdev) { … } static void sun6i_dsi_remove(struct platform_device *pdev) { … } static const struct sun6i_dsi_variant sun6i_a31_mipi_dsi_variant = …; static const struct sun6i_dsi_variant sun50i_a64_mipi_dsi_variant = …; static const struct sun6i_dsi_variant sun50i_a100_mipi_dsi_variant = …; static const struct of_device_id sun6i_dsi_of_table[] = …; MODULE_DEVICE_TABLE(of, sun6i_dsi_of_table); static struct platform_driver sun6i_dsi_platform_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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