/** * @file mipi_dsih_hal.c * @brief Hardware Abstraction Level of DWC MIPI DSI HOST controller * * Synopsys Inc. * SG DWC PT02 */ #include "mipi_dsih_hal.h" /** * Write a 32-bit word to the DSI Host core * @param instance pointer to structure holding the DSI Host core information * @param reg_address register offset in core * @param data 32-bit word to be written to register */ void mipi_dsih_write_word(dsih_ctrl_t * instance, uint32_t reg_address, uint32_t data) { instance->core_write_function(instance->address, reg_address, data); } /** * Write a bit field o a 32-bit word to the DSI Host core * @param instance pointer to structure holding the DSI Host core information * @param reg_address register offset in core * @param data to be written to register * @param shift bit shift from the left (system is BIG ENDIAN) * @param width of bit field */ void mipi_dsih_write_part(dsih_ctrl_t * instance, uint32_t reg_address, uint32_t data, uint8_t shift, uint8_t width) { uint32_t mask = (1 << width) - 1; uint32_t temp = mipi_dsih_read_word(instance, reg_address); temp &= ~(mask << shift); temp |= (data & mask) << shift; mipi_dsih_write_word(instance, reg_address, temp); } /** * Write a 32-bit word to the DSI Host core * @param instance pointer to structure holding the DSI Host core information * @param reg_address offset of register * @return 32-bit word value stored in register */ uint32_t mipi_dsih_read_word(dsih_ctrl_t * instance, uint32_t reg_address) { return instance->core_read_function(instance->address, reg_address); } /** * Write a 32-bit word to the DSI Host core * @param instance pointer to structure holding the DSI Host core information * @param reg_address offset of register in core * @param shift bit shift from the left (system is BIG ENDIAN) * @param width of bit field * @return bit field read from register */ uint32_t mipi_dsih_read_part(dsih_ctrl_t * instance, uint32_t reg_address, uint8_t shift, uint8_t width) { return (mipi_dsih_read_word(instance, reg_address) >> shift) & ((1 << width) - 1); } /** * Get DSI Host core version * @param instance pointer to structure holding the DSI Host core information * @return ascii number of the version */ uint32_t mipi_dsih_hal_get_version(dsih_ctrl_t * instance) { return mipi_dsih_read_word(instance, R_DSI_HOST_VERSION); } /** * Modify power status of DSI Host core * @param instance pointer to structure holding the DSI Host core information * @param on (1) or off (0) */ void mipi_dsih_hal_power(dsih_ctrl_t * instance, int on) { mipi_dsih_write_part(instance, R_DSI_HOST_PWR_UP, on, 0, 1); } /** * Get the power status of the DSI Host core * @param instance pointer to structure holding the DSI Host core information * @return power status */ int mipi_dsih_hal_get_power(dsih_ctrl_t * instance) { return (int)(mipi_dsih_read_part(instance, R_DSI_HOST_PWR_UP, 0, 1)); } /** * Write transmission escape timeout * a safe guard so that the state machine would reset if transmission * takes too long * @param instance pointer to structure holding the DSI Host core information * @param tx_escape_division */ void mipi_dsih_hal_tx_escape_division(dsih_ctrl_t * instance, uint8_t tx_escape_division) { mipi_dsih_write_part(instance, R_DSI_HOST_CLK_MGR, tx_escape_division, 0, 8); } /** * Write the DPI video virtual channel destination * @param instance pointer to structure holding the DSI Host core information * @param vc virtual channel */ void mipi_dsih_hal_dpi_video_vc(dsih_ctrl_t * instance, uint8_t vc) { mipi_dsih_write_part(instance, R_DSI_HOST_DPI_VCID, (uint32_t)(vc), 0, 2); } /** * Get the DPI video virtual channel destination * @param instance pointer to structure holding the DSI Host core information * @return virtual channel */ uint8_t mipi_dsih_hal_dpi_get_video_vc(dsih_ctrl_t * instance) { return mipi_dsih_read_part(instance, R_DSI_HOST_DPI_VCID, 0, 2); } /** * Set DPI video color coding * @param instance pointer to structure holding the DSI Host core information * @param color_coding enum (configuration and color depth) * @return error code */ dsih_error_t mipi_dsih_hal_dpi_color_coding(dsih_ctrl_t * instance, dsih_color_coding_t color_coding) { dsih_error_t err = OK; if (color_coding > COLOR_CODE_MAX) { if (instance->log_error != 0) { instance->log_error("sprdfb: invalid colour configuration"); } err = ERR_DSI_COLOR_CODING; } else { mipi_dsih_write_part(instance, R_DSI_HOST_DPI_COLOR_CODE, color_coding, 0, 4); } return err; } /** * Get DPI video color coding * @param instance pointer to structure holding the DSI Host core information * @return color coding enum (configuration and color depth) */ dsih_color_coding_t mipi_dsih_hal_dpi_get_color_coding(dsih_ctrl_t * instance) { return (dsih_color_coding_t)(mipi_dsih_read_part(instance, R_DSI_HOST_DPI_COLOR_CODE, 0, 4)); } /** * Get DPI video color depth * @param instance pointer to structure holding the DSI Host core information * @return number of bits per pixel */ uint8_t mipi_dsih_hal_dpi_get_color_depth(dsih_ctrl_t * instance) { uint8_t color_depth = 0; switch (mipi_dsih_read_part(instance, R_DSI_HOST_DPI_COLOR_CODE, 0, 4)) { case 0: case 1: case 2: color_depth = 16; break; case 3: case 4: color_depth = 18; break; case 5: color_depth = 24; break; case 6: color_depth = 20; break; case 7: color_depth = 24; break; case 8: color_depth = 16; break; case 9: color_depth = 30; break; case 10: color_depth = 36; break; case 11: color_depth = 12; break; default: break; } return color_depth; } /** * Get DPI video pixel configuration * @param instance pointer to structure holding the DSI Host core information * @return pixel configuration */ uint8_t mipi_dsih_hal_dpi_get_color_config(dsih_ctrl_t * instance) { uint8_t color_config = 0; switch (mipi_dsih_read_part(instance, R_DSI_HOST_DPI_COLOR_CODE, 0, 4)) { case 0: color_config = 1; break; case 1: color_config = 2; break; case 2: color_config = 3; break; case 3: color_config = 1; break; case 4: color_config = 2; break; default: color_config = 0; break; } return color_config; } /** * Set DPI loosely packetisation video (used only when color depth = 18 * @param instance pointer to structure holding the DSI Host core information * @param enable */ void mipi_dsih_hal_dpi_18_loosely_packet_en(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_DPI_COLOR_CODE, enable, 8, 1); } /** * Set DPI color mode pin polarity * @param instance pointer to structure holding the DSI Host core information * @param active_low (1) or active high (0) */ void mipi_dsih_hal_dpi_color_mode_pol(dsih_ctrl_t * instance, int active_low) { mipi_dsih_write_part(instance, R_DSI_HOST_DPI_CFG_POL, active_low, 4, 1); } /** * Set DPI shut down pin polarity * @param instance pointer to structure holding the DSI Host core information * @param active_low (1) or active high (0) */ void mipi_dsih_hal_dpi_shut_down_pol(dsih_ctrl_t * instance, int active_low) { mipi_dsih_write_part(instance, R_DSI_HOST_DPI_CFG_POL, active_low, 3, 1); } /** * Set DPI horizontal sync pin polarity * @param instance pointer to structure holding the DSI Host core information * @param active_low (1) or active high (0) */ void mipi_dsih_hal_dpi_hsync_pol(dsih_ctrl_t * instance, int active_low) { mipi_dsih_write_part(instance, R_DSI_HOST_DPI_CFG_POL, active_low, 2, 1); } /** * Set DPI vertical sync pin polarity * @param instance pointer to structure holding the DSI Host core information * @param active_low (1) or active high (0) */ void mipi_dsih_hal_dpi_vsync_pol(dsih_ctrl_t * instance, int active_low) { mipi_dsih_write_part(instance, R_DSI_HOST_DPI_CFG_POL, active_low, 1, 1); } /** * Set DPI data enable pin polarity * @param instance pointer to structure holding the DSI Host core information * @param active_low (1) or active high (0) */ void mipi_dsih_hal_dpi_dataen_pol(dsih_ctrl_t * instance, int active_low) { mipi_dsih_write_part(instance, R_DSI_HOST_DPI_CFG_POL, active_low, 0, 1); } /** * Enable FRAME BTA ACK * @param instance pointer to structure holding the DSI Host core information * @param enable (1) - disable (0) */ void mipi_dsih_hal_dpi_frame_ack_en(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_MODE_CFG, enable, 14, 1); } /** * Enable null packets (value in null packet size will be taken in calculations) * @param instance pointer to structure holding the DSI Host core information * @param enable (1) - disable (0) * @note function retained for backward compatibility (not used from 1.20a on) */ void mipi_dsih_hal_dpi_null_packet_en(dsih_ctrl_t * instance, int enable) { } /** * Enable multi packets (value in no of chunks will be taken in calculations) * @param instance pointer to structure holding the DSI Host core information * @param enable (1) - disable (0) */ void mipi_dsih_hal_dpi_multi_packet_en(dsih_ctrl_t * instance, int enable) { } /** * Enable return to low power mode inside horizontal front porch periods when * timing allows * @param instance pointer to structure holding the DSI Host core information * @param enable (1) - disable (0) */ void mipi_dsih_hal_dpi_lp_during_hfp(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_MODE_CFG, enable, 13, 1); } /** * Enable return to low power mode inside horizontal back porch periods when * timing allows * @param instance pointer to structure holding the DSI Host core information * @param enable (1) - disable (0) */ void mipi_dsih_hal_dpi_lp_during_hbp(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_MODE_CFG, enable, 12, 1); } /** * Enable return to low power mode inside vertical active lines periods when * timing allows * @param instance pointer to structure holding the DSI Host core information * @param enable (1) - disable (0) */ void mipi_dsih_hal_dpi_lp_during_vactive(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_MODE_CFG, enable, 11, 1); } /** * Enable return to low power mode inside vertical front porch periods when * timing allows * @param instance pointer to structure holding the DSI Host core information * @param enable (1) - disable (0) */ void mipi_dsih_hal_dpi_lp_during_vfp(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_MODE_CFG, enable, 10, 1); } /** * Enable return to low power mode inside vertical back porch periods when * timing allows * @param instance pointer to structure holding the DSI Host core information * @param enable (1) - disable (0) */ void mipi_dsih_hal_dpi_lp_during_vbp(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_MODE_CFG, enable, 9, 1); } /** * Enable return to low power mode inside vertical sync periods when * timing allows * @param instance pointer to structure holding the DSI Host core information * @param enable (1) - disable (0) */ void mipi_dsih_hal_dpi_lp_during_vsync(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_MODE_CFG, enable, 8, 1); } /** * Set DPI video mode type (burst/non-burst - with sync pulses or events) * @param instance pointer to structure holding the DSI Host core information * @param type * @return error code */ dsih_error_t mipi_dsih_hal_dpi_video_mode_type(dsih_ctrl_t * instance, dsih_video_mode_t type) { if (type < 3) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_MODE_CFG, type, 0, 2); return OK; } else { if (instance->log_error != 0) { instance->log_error("sprdfb: undefined type"); } return ERR_DSI_OUT_OF_BOUND; } } /** * Enable/disable DPI video mode * @param instance pointer to structure holding the DSI Host core information * @param enable (1) - disable (0) */ void mipi_dsih_hal_dpi_video_mode_en(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_MODE_CFG, enable? 0: 1, 0, 1); } /** * Get the status of video mode, whether enabled or not in core * @param instance pointer to structure holding the DSI Host core information * @return status */ int mipi_dsih_hal_dpi_is_video_mode(dsih_ctrl_t * instance) { return (mipi_dsih_read_part(instance, R_DSI_HOST_MODE_CFG, 0, 1) == 0); } /** * Write the null packet size - will only be taken into account when null * packets are enabled. * @param instance pointer to structure holding the DSI Host core information * @param size of null packet * @return error code */ dsih_error_t mipi_dsih_hal_dpi_null_packet_size(dsih_ctrl_t * instance, uint16_t size) { if (size < (1 << 13)) /* 13-bit field */ { mipi_dsih_write_part(instance, R_DSI_HOST_VID_NULL_SIZE, size, 0, 13); return OK; } else { return ERR_DSI_OUT_OF_BOUND; } } /** * Write no of chunks to core - taken into consideration only when multi packet * is enabled * @param instance pointer to structure holding the DSI Host core information * @param no of chunks */ dsih_error_t mipi_dsih_hal_dpi_chunks_no(dsih_ctrl_t * instance, uint16_t no) { if (no < (1 << 13)) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_NUM_CHUNKS, no, 0, 13); return OK; } else { return ERR_DSI_OUT_OF_BOUND; } } /** * Write video packet size. obligatory for sending video * @param instance pointer to structure holding the DSI Host core information * @param size of video packet - containing information * @return error code */ dsih_error_t mipi_dsih_hal_dpi_video_packet_size(dsih_ctrl_t * instance, uint16_t size) { if (size < (1 << 14)) /* 14-bit field */ { mipi_dsih_write_part(instance, R_DSI_HOST_VID_PKT_SIZE, size, 0, 14); return OK; } else { return ERR_DSI_OUT_OF_BOUND; } } /** * function retained for backward compatibility (not used from 1.20a on) * @param instance pointer to structure holding the DSI Host core information * @param enable (1) - disable (0) */ void mipi_dsih_hal_edpi_enable(dsih_ctrl_t * instance, int enable) { } /** * Specifiy the size of the packet memory write start/continue * @param instance pointer to structure holding the DSI Host core information * @ size of the packet * @note when different than zero (0) eDPI is enabled */ void mipi_dsih_hal_edpi_max_allowed_size(dsih_ctrl_t * instance, uint16_t size) { mipi_dsih_write_part(instance, R_DSI_HOST_EDPI_CMD_SIZE, size, 0, 16); } /** * Enable tear effect acknowledge * @param instance pointer to structure holding the DSI Host core information * @param enable (1) - disable (0) */ void mipi_dsih_hal_tear_effect_ack_en(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, enable, 0, 1); } /** * Enable packets acknowledge request after each packet transmission * @param instance pointer to structure holding the DSI Host core information * @param enable (1) - disable (0) */ void mipi_dsih_hal_cmd_ack_en(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, enable, 1, 1); } /** * Set DCS command packet transmission to transmission type * @param instance pointer to structure holding the DSI Host core information * @param no_of_param of command * @param lp transmit in low power * @return error code */ dsih_error_t mipi_dsih_hal_dcs_wr_tx_type(dsih_ctrl_t * instance, unsigned no_of_param, int lp) { switch (no_of_param) { case 0: mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, lp, 16, 1); break; case 1: mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, lp, 17, 1); break; default: mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, lp, 19, 1); break; } return OK; } /** * Set DCS read command packet transmission to transmission type * @param instance pointer to structure holding the DSI Host core information * @param no_of_param of command * @param lp transmit in low power * @return error code */ dsih_error_t mipi_dsih_hal_dcs_rd_tx_type(dsih_ctrl_t * instance, unsigned no_of_param, int lp) { dsih_error_t err = OK; switch (no_of_param) { case 0: mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, lp, 18, 1); break; default: if (instance->log_error != 0) { instance->log_error("sprdfb: undefined DCS Read packet type"); } err = ERR_DSI_OUT_OF_BOUND; break; } return err; } /*Jessica add begin: to support max read packet size command */ dsih_error_t mipi_dsih_hal_max_rd_packet_size_type(dsih_ctrl_t * instance, int lp) { dsih_error_t err = OK; mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, lp, 10, 1); return err; } /*Jessica add end*/ /** * Set generic write command packet transmission to transmission type * @param instance pointer to structure holding the DSI Host core information * @param no_of_param of command * @param lp transmit in low power * @return error code */ dsih_error_t mipi_dsih_hal_gen_wr_tx_type(dsih_ctrl_t * instance, unsigned no_of_param, int lp) { switch (no_of_param) { case 0: mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, lp, 8, 1); break; case 1: mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, lp, 9, 1); break; case 2: mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, lp, 10, 1); break; default: mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, lp, 14, 1); break; } return OK; } /** * Set generic command packet transmission to transmission type * @param instance pointer to structure holding the DSI Host core information * @param no_of_param of command * @param lp transmit in low power * @return error code */ dsih_error_t mipi_dsih_hal_gen_rd_tx_type(dsih_ctrl_t * instance, unsigned no_of_param, int lp) { dsih_error_t err = OK; switch (no_of_param) { case 0: mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, lp, 11, 1); break; case 1: mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, lp, 12, 1); break; case 2: mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, lp, 13, 1); break; default: if (instance->log_error != 0) { instance->log_error("sprdfb: undefined Generic Read packet type"); } err = ERR_DSI_OUT_OF_BOUND; break; } return err; } /** * Configure maximum read packet size command transmission type * @param instance pointer to structure holding the DSI Host core information * @param lp set to low power */ void mipi_dsih_hal_max_rd_size_tx_type(dsih_ctrl_t * instance, int lp) { mipi_dsih_write_part(instance, R_DSI_HOST_CMD_MODE_CFG, lp, 24, 1); } /** * Enable command mode (Generic interface) * @param instance pointer to structure holding the DSI Host core information * @param enable */ void mipi_dsih_hal_gen_cmd_mode_en(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_MODE_CFG, enable? 1: 0, 0, 1); } /** * Retrieve the controller's status of whether command mode is ON or not * @param instance pointer to structure holding the DSI Host core information * @return whether command mode is ON */ int mipi_dsih_hal_gen_is_cmd_mode(dsih_ctrl_t * instance) { return (mipi_dsih_read_part(instance, R_DSI_HOST_MODE_CFG, 0, 1) == 1); } /** * Configure the Horizontal Line time * @param instance pointer to structure holding the DSI Host core information * @param time taken to transmit the total of the horizontal line */ void mipi_dsih_hal_dpi_hline(dsih_ctrl_t * instance, uint16_t time) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_HLINE_TIME, time, 0, 15); } /** * Configure the Horizontal back porch time * @param instance pointer to structure holding the DSI Host core information * @param time taken to transmit the horizontal back porch */ void mipi_dsih_hal_dpi_hbp(dsih_ctrl_t * instance, uint16_t time) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_HBP_TIME, time, 0, 12); } /** * Configure the Horizontal sync time * @param instance pointer to structure holding the DSI Host core information * @param time taken to transmit the horizontal sync */ void mipi_dsih_hal_dpi_hsa(dsih_ctrl_t * instance, uint16_t time) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_HSA_TIME, time, 0, 12); } /** * Configure the vertical active lines of the video stream * @param instance pointer to structure holding the DSI Host core information * @param lines */ void mipi_dsih_hal_dpi_vactive(dsih_ctrl_t * instance, uint16_t lines) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_VACTIVE_LINES, lines, 0, 14); } /** * Configure the vertical front porch lines of the video stream * @param instance pointer to structure holding the DSI Host core information * @param lines */ void mipi_dsih_hal_dpi_vfp(dsih_ctrl_t * instance, uint16_t lines) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_VFP_LINES, lines, 0, 10); } /** * Configure the vertical back porch lines of the video stream * @param instance pointer to structure holding the DSI Host core information * @param lines */ void mipi_dsih_hal_dpi_vbp(dsih_ctrl_t * instance, uint16_t lines) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_VBP_LINES, lines, 0, 10); } /** * Configure the vertical sync lines of the video stream * @param instance pointer to structure holding the DSI Host core information * @param lines */ void mipi_dsih_hal_dpi_vsync(dsih_ctrl_t * instance, uint16_t lines) { mipi_dsih_write_part(instance, R_DSI_HOST_VID_VSA_LINES, lines, 0, 10); } /** * configure timeout divisions (so they would have more clock ticks) * @param instance pointer to structure holding the DSI Host core information * @param byte_clk_division_factor no of hs cycles before transiting back to LP in * (lane_clk / byte_clk_division_factor) */ void mipi_dsih_hal_timeout_clock_division(dsih_ctrl_t * instance, uint8_t byte_clk_division_factor) { mipi_dsih_write_part(instance, R_DSI_HOST_CLK_MGR, byte_clk_division_factor, 8, 8); } /** * Configure the Low power receive time out * @param instance pointer to structure holding the DSI Host core information * @param count (of byte cycles) */ void mipi_dsih_hal_lp_rx_timeout(dsih_ctrl_t * instance, uint16_t count) { mipi_dsih_write_part(instance, R_DSI_HOST_TO_CNT_CFG, count, 0, 16); } /** * Configure a high speed transmission time out7 * @param instance pointer to structure holding the DSI Host core information * @param count (byte cycles) */ void mipi_dsih_hal_hs_tx_timeout(dsih_ctrl_t * instance, uint16_t count) { mipi_dsih_write_part(instance, R_DSI_HOST_TO_CNT_CFG, count, 16, 16); } /** * Get the error 0 interrupt register status * @param instance pointer to structure holding the DSI Host core information * @param mask the mask to be read from the register * @return error status 0 value */ uint32_t mipi_dsih_hal_int_status_0(dsih_ctrl_t * instance, uint32_t mask) { return (mipi_dsih_read_word(instance, R_DSI_HOST_INT_ST0) & mask); } /** * Get the error 1 interrupt register status * @param instance pointer to structure holding the DSI Host core information * @param mask the mask to be read from the register * @return error status 1 value */ uint32_t mipi_dsih_hal_int_status_1(dsih_ctrl_t * instance, uint32_t mask) { return (mipi_dsih_read_word(instance, R_DSI_HOST_INT_ST1) & mask); } /** * Configure MASK (hiding) of interrupts coming from error 0 source * @param instance pointer to structure holding the DSI Host core information * @param mask to be written to the register */ void mipi_dsih_hal_int_mask_0(dsih_ctrl_t * instance, uint32_t mask) { mipi_dsih_write_word(instance, R_DSI_HOST_INT_MSK0, mask); } /** * Get the ERROR MASK 0 register status * @param instance pointer to structure holding the DSI Host core information * @param mask the bits to read from the mask register */ uint32_t mipi_dsih_hal_int_get_mask_0(dsih_ctrl_t * instance, uint32_t mask) { return (mipi_dsih_read_word(instance, R_DSI_HOST_INT_MSK0) & mask); } /** * Configure MASK (hiding) of interrupts coming from error 0 source * @param instance pointer to structure holding the DSI Host core information * @param mask the mask to be written to the register */ void mipi_dsih_hal_int_mask_1(dsih_ctrl_t * instance, uint32_t mask) { mipi_dsih_write_word(instance, R_DSI_HOST_INT_MSK1, mask); } /** * Get the ERROR MASK 1 register status * @param instance pointer to structure holding the DSI Host core information * @param mask the bits to read from the mask register */ uint32_t mipi_dsih_hal_int_get_mask_1(dsih_ctrl_t * instance, uint32_t mask) { return (mipi_dsih_read_word(instance, R_DSI_HOST_INT_MSK1) & mask); } /* DBI NOT IMPLEMENTED */ void mipi_dsih_hal_dbi_out_color_coding(dsih_ctrl_t * instance, uint8_t color_depth, uint8_t option); void mipi_dsih_hal_dbi_in_color_coding(dsih_ctrl_t * instance, uint8_t color_depth, uint8_t option); void mipi_dsih_hal_dbi_lut_size(dsih_ctrl_t * instance, uint8_t size); void mipi_dsih_hal_dbi_partitioning_en(dsih_ctrl_t * instance, int enable); void mipi_dsih_hal_dbi_dcs_vc(dsih_ctrl_t * instance, uint8_t vc); void mipi_dsih_hal_dbi_max_cmd_size(dsih_ctrl_t * instance, uint16_t size); void mipi_dsih_hal_dbi_cmd_size(dsih_ctrl_t * instance, uint16_t size); void mipi_dsih_hal_dbi_max_cmd_size(dsih_ctrl_t * instance, uint16_t size); int mipi_dsih_hal_dbi_rd_cmd_busy(dsih_ctrl_t * instance); int mipi_dsih_hal_dbi_read_fifo_full(dsih_ctrl_t * instance); int mipi_dsih_hal_dbi_read_fifo_empty(dsih_ctrl_t * instance); int mipi_dsih_hal_dbi_write_fifo_full(dsih_ctrl_t * instance); int mipi_dsih_hal_dbi_write_fifo_empty(dsih_ctrl_t * instance); int mipi_dsih_hal_dbi_cmd_fifo_full(dsih_ctrl_t * instance); int mipi_dsih_hal_dbi_cmd_fifo_empty(dsih_ctrl_t * instance); /** * Write command header in the generic interface * (which also sends DCS commands) as a subset * @param instance pointer to structure holding the DSI Host core information * @param vc of destination * @param packet_type (or type of DCS command) * @param ls_byte (if DCS, it is the DCS command) * @param ms_byte (only parameter of short DCS packet) * @return error code */ dsih_error_t mipi_dsih_hal_gen_packet_header(dsih_ctrl_t * instance, uint8_t vc, uint8_t packet_type, uint8_t ms_byte, uint8_t ls_byte) { if (vc < 4) { mipi_dsih_write_part(instance, R_DSI_HOST_GEN_HDR, (ms_byte << 16) | (ls_byte << 8 ) | ((vc << 6) | packet_type), 0, 24); return OK; } return ERR_DSI_OVERFLOW; } /** * Write the payload of the long packet commands * @param instance pointer to structure holding the DSI Host core information * @param payload array of bytes of payload * @return error code */ dsih_error_t mipi_dsih_hal_gen_packet_payload(dsih_ctrl_t * instance, uint32_t payload) { if (mipi_dsih_hal_gen_write_fifo_full(instance)) { return ERR_DSI_OVERFLOW; } mipi_dsih_write_word(instance, R_DSI_HOST_GEN_PLD_DATA, payload); return OK; } /** * Write the payload of the long packet commands * @param instance pointer to structure holding the DSI Host core information * @param payload pointer to 32-bit array to hold read information * @return error code */ dsih_error_t mipi_dsih_hal_gen_read_payload(dsih_ctrl_t * instance, uint32_t* payload) { *payload = mipi_dsih_read_word(instance, R_DSI_HOST_GEN_PLD_DATA); return OK; } /** * Configure the read back virtual channel for the generic interface * @param instance pointer to structure holding the DSI Host core information * @param vc to listen to on the line */ void mipi_dsih_hal_gen_rd_vc(dsih_ctrl_t * instance, uint8_t vc) { mipi_dsih_write_part(instance, R_DSI_HOST_GEN_VCID, vc, 0, 2); } /** * Enable EOTp reception * @param instance pointer to structure holding the DSI Host core information * @param enable */ void mipi_dsih_hal_gen_eotp_rx_en(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_PCKHDL_CFG, enable, 1, 1); } /** * Enable EOTp transmission * @param instance pointer to structure holding the DSI Host core information * @param enable */ void mipi_dsih_hal_gen_eotp_tx_en(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_PCKHDL_CFG, enable, 0, 1); } /** * Enable Bus Turn-around request * @param instance pointer to structure holding the DSI Host core information * @param enable */ void mipi_dsih_hal_bta_en(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_PCKHDL_CFG, enable, 2, 1); } /** * Enable ECC reception, error correction and reporting * @param instance pointer to structure holding the DSI Host core information * @param enable */ void mipi_dsih_hal_gen_ecc_rx_en(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_PCKHDL_CFG, enable, 3, 1); } /** * Enable CRC reception, error reporting * @param instance pointer to structure holding the DSI Host core information * @param enable */ void mipi_dsih_hal_gen_crc_rx_en(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_PCKHDL_CFG, enable, 4, 1); } /** * Get status of read command * @param instance pointer to structure holding the DSI Host core information * @return 1 if busy */ int mipi_dsih_hal_gen_rd_cmd_busy(dsih_ctrl_t * instance) { return mipi_dsih_read_part(instance, R_DSI_HOST_CMD_PKT_STATUS, 6, 1); } /** * Get the FULL status of generic read payload fifo * @param instance pointer to structure holding the DSI Host core information * @return 1 if fifo full */ int mipi_dsih_hal_gen_read_fifo_full(dsih_ctrl_t * instance) { return mipi_dsih_read_part(instance, R_DSI_HOST_CMD_PKT_STATUS, 5, 1); } /** * Get the EMPTY status of generic read payload fifo * @param instance pointer to structure holding the DSI Host core information * @return 1 if fifo empty */ int mipi_dsih_hal_gen_read_fifo_empty(dsih_ctrl_t * instance) { return mipi_dsih_read_part(instance, R_DSI_HOST_CMD_PKT_STATUS, 4, 1); } /** * Get the FULL status of generic write payload fifo * @param instance pointer to structure holding the DSI Host core information * @return 1 if fifo full */ int mipi_dsih_hal_gen_write_fifo_full(dsih_ctrl_t * instance) { return mipi_dsih_read_part(instance, R_DSI_HOST_CMD_PKT_STATUS, 3, 1); } /** * Get the EMPTY status of generic write payload fifo * @param instance pointer to structure holding the DSI Host core information * @return 1 if fifo empty */ int mipi_dsih_hal_gen_write_fifo_empty(dsih_ctrl_t * instance) { return mipi_dsih_read_part(instance, R_DSI_HOST_CMD_PKT_STATUS, 2, 1); } /** * Get the FULL status of generic command fifo * @param instance pointer to structure holding the DSI Host core information * @return 1 if fifo full */ int mipi_dsih_hal_gen_cmd_fifo_full(dsih_ctrl_t * instance) { return mipi_dsih_read_part(instance, R_DSI_HOST_CMD_PKT_STATUS, 1, 1); } /** * Get the EMPTY status of generic command fifo * @param instance pointer to structure holding the DSI Host core information * @return 1 if fifo empty */ int mipi_dsih_hal_gen_cmd_fifo_empty(dsih_ctrl_t * instance) { return mipi_dsih_read_part(instance, R_DSI_HOST_CMD_PKT_STATUS, 0, 1); } /* only if DPI */ /** * Configure how many cycles of byte clock would the PHY module take * to switch data lane from high speed to low power * @param instance pointer to structure holding the DSI Host core information * @param no_of_byte_cycles * @return error code */ dsih_error_t mipi_dsih_phy_hs2lp_config(dsih_ctrl_t * instance, uint8_t no_of_byte_cycles) { mipi_dsih_write_part(instance, R_DSI_HOST_PHY_TMR_CFG, no_of_byte_cycles, 24, 8); return OK; } /** * Configure how many cycles of byte clock would the PHY module take * to switch the data lane from to low power high speed * @param instance pointer to structure holding the DSI Host core information * @param no_of_byte_cycles * @return error code */ dsih_error_t mipi_dsih_phy_lp2hs_config(dsih_ctrl_t * instance, uint8_t no_of_byte_cycles) { mipi_dsih_write_part(instance, R_DSI_HOST_PHY_TMR_CFG, no_of_byte_cycles, 16, 8); return OK; } /** * Configure how many cycles of byte clock would the PHY module take * to switch clock lane from high speed to low power * @param instance pointer to structure holding the DSI Host core information * @param no_of_byte_cycles * @return error code */ dsih_error_t mipi_dsih_phy_clk_hs2lp_config(dsih_ctrl_t * instance, uint8_t no_of_byte_cycles) { mipi_dsih_write_part(instance, R_DSI_HOST_PHY_TMR_LPCLK_CFG, no_of_byte_cycles, 16, 10); return OK; } /** * Configure how many cycles of byte clock would the PHY module take * to switch clock lane from to low power high speed * @param instance pointer to structure holding the DSI Host core information * @param no_of_byte_cycles * @return error code */ dsih_error_t mipi_dsih_phy_clk_lp2hs_config(dsih_ctrl_t * instance, uint8_t no_of_byte_cycles) { mipi_dsih_write_part(instance, R_DSI_HOST_PHY_TMR_LPCLK_CFG, no_of_byte_cycles, 0, 10); return OK; } /** * Configure how many cycles of byte clock would the PHY module take * to turn the bus around to start receiving * @param instance pointer to structure holding the DSI Host core information * @param no_of_byte_cycles * @return error code */ dsih_error_t mipi_dsih_phy_bta_time(dsih_ctrl_t * instance, uint16_t no_of_byte_cycles) { /*Jessica modified: From ASIC, the second table in spec is correct, this 15 bits are max rd time*/ if (no_of_byte_cycles < 0x8000) /* 15-bit field */ { //mipi_dsih_write_part(instance, R_DSI_HOST_PHY_TMR_CFG, no_of_byte_cycles, 0, 12); mipi_dsih_write_part(instance, R_DSI_HOST_PHY_TMR_CFG, no_of_byte_cycles, 0, 15); } else { return ERR_DSI_OVERFLOW; } return OK; } /** * Enable the automatic mechanism to stop providing clock in the clock * lane when time allows * @param instance pointer to structure holding the DSI Host core information * @param enable * @return error code */ void mipi_dsih_non_continuous_clock(dsih_ctrl_t * instance, int enable) { mipi_dsih_write_part(instance, R_DSI_HOST_LPCLK_CTRL, enable, 1, 1); } /** * Get the status of the automatic mechanism to stop providing clock in the * clock lane when time allows * @param instance pointer to structure holding the DSI Host core information * @return status 1 (enabled) 0 (disabled) */ int mipi_dsih_non_continuous_clock_status(dsih_ctrl_t * instance) { return mipi_dsih_read_part(instance, R_DSI_HOST_LPCLK_CTRL, 1, 1); } /* PRESP Time outs */ /** * Timeout for peripheral (for controller to stay still) after LP data * transmission write requests * @param instance pointer to structure holding the DSI Host core information * @param no_of_byte_cycles period for which the DWC_mipi_dsi_host keeps the * link still, after sending a low power write operation. This period is * measured in cycles of lanebyteclk */ void mipi_dsih_hal_presp_timeout_low_power_write(dsih_ctrl_t * instance, uint16_t no_of_byte_cycles) { mipi_dsih_write_part(instance, R_DSI_HOST_LP_WR_TO_CNT, no_of_byte_cycles, 0, 16); } /** * Timeout for peripheral (for controller to stay still) after LP data * transmission read requests * @param instance pointer to structure holding the DSI Host core information * @param no_of_byte_cycles period for which the DWC_mipi_dsi_host keeps the * link still, after sending a low power read operation. This period is * measured in cycles of lanebyteclk */ void mipi_dsih_hal_presp_timeout_low_power_read(dsih_ctrl_t * instance, uint16_t no_of_byte_cycles) { mipi_dsih_write_part(instance, R_DSI_HOST_LP_RD_TO_CNT, no_of_byte_cycles, 0, 16); } /** * Timeout for peripheral (for controller to stay still) after HS data * transmission write requests * @param instance pointer to structure holding the DSI Host core information * @param no_of_byte_cycles period for which the DWC_mipi_dsi_host keeps the * link still, after sending a high-speed write operation. This period is * measured in cycles of lanebyteclk */ void mipi_dsih_hal_presp_timeout_high_speed_write(dsih_ctrl_t * instance, uint16_t no_of_byte_cycles) { mipi_dsih_write_part(instance, R_DSI_HOST_HS_WR_TO_CNT, no_of_byte_cycles, 0, 16); } /** * Timeout for peripheral between HS data transmission read requests * @param instance pointer to structure holding the DSI Host core information * @param no_of_byte_cycles period for which the DWC_mipi_dsi_host keeps the * link still, after sending a high-speed read operation. This period is * measured in cycles of lanebyteclk */ void mipi_dsih_hal_presp_timeout_high_speed_read(dsih_ctrl_t * instance, uint16_t no_of_byte_cycles) { mipi_dsih_write_part(instance, R_DSI_HOST_HS_RD_TO_CNT, no_of_byte_cycles, 0, 16); } /** * Timeout for peripheral (for controller to stay still) after bus turn around * @param instance pointer to structure holding the DSI Host core information * @param no_of_byte_cycles period for which the DWC_mipi_dsi_host keeps the * link still, after sending a BTA operation. This period is * measured in cycles of lanebyteclk */ void mipi_dsih_hal_presp_timeout_bta(dsih_ctrl_t * instance, uint16_t no_of_byte_cycles) { mipi_dsih_write_part(instance, R_DSI_HOST_BTA_TO_CNT, no_of_byte_cycles, 0, 16); }