/* * Copyright © 2014 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Author: Shobhit Kumar <[email protected]> * */ #include <linux/gpio/consumer.h> #include <linux/gpio/machine.h> #include <linux/mfd/intel_soc_pmic.h> #include <linux/pinctrl/consumer.h> #include <linux/pinctrl/machine.h> #include <linux/slab.h> #include <linux/string_helpers.h> #include <linux/unaligned.h> #include <drm/drm_crtc.h> #include <drm/drm_edid.h> #include <video/mipi_display.h> #include "i915_drv.h" #include "i915_reg.h" #include "intel_de.h" #include "intel_display_types.h" #include "intel_dsi.h" #include "intel_dsi_vbt.h" #include "intel_gmbus_regs.h" #include "intel_pps_regs.h" #include "vlv_dsi.h" #include "vlv_dsi_regs.h" #include "vlv_sideband.h" #define MIPI_TRANSFER_MODE_SHIFT … #define MIPI_VIRTUAL_CHANNEL_SHIFT … #define MIPI_PORT_SHIFT … struct i2c_adapter_lookup { … }; #define CHV_GPIO_IDX_START_N … #define CHV_GPIO_IDX_START_E … #define CHV_GPIO_IDX_START_SW … #define CHV_GPIO_IDX_START_SE … /* ICL DSI Display GPIO Pins */ #define ICL_GPIO_DDSP_HPD_A … #define ICL_GPIO_L_VDDEN_1 … #define ICL_GPIO_L_BKLTEN_1 … #define ICL_GPIO_DDPA_CTRLCLK_1 … #define ICL_GPIO_DDPA_CTRLDATA_1 … #define ICL_GPIO_DDSP_HPD_B … #define ICL_GPIO_L_VDDEN_2 … #define ICL_GPIO_L_BKLTEN_2 … #define ICL_GPIO_DDPA_CTRLCLK_2 … #define ICL_GPIO_DDPA_CTRLDATA_2 … static enum port intel_dsi_seq_port_to_port(struct intel_dsi *intel_dsi, u8 seq_port) { … } static const u8 *mipi_exec_send_packet(struct intel_dsi *intel_dsi, const u8 *data) { … } static const u8 *mipi_exec_delay(struct intel_dsi *intel_dsi, const u8 *data) { … } static void soc_gpio_set_value(struct intel_connector *connector, u8 gpio_index, const char *con_id, u8 idx, bool value) { … } static void soc_opaque_gpio_set_value(struct intel_connector *connector, u8 gpio_index, const char *chip, const char *con_id, u8 idx, bool value) { … } static void vlv_gpio_set_value(struct intel_connector *connector, u8 gpio_source, u8 gpio_index, bool value) { … } static void chv_gpio_set_value(struct intel_connector *connector, u8 gpio_source, u8 gpio_index, bool value) { … } static void bxt_gpio_set_value(struct intel_connector *connector, u8 gpio_index, bool value) { … } enum { … }; static void icl_native_gpio_set_value(struct drm_i915_private *dev_priv, int gpio, bool value) { … } static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data) { … } #ifdef CONFIG_ACPI static int i2c_adapter_lookup(struct acpi_resource *ares, void *data) { … } static void i2c_acpi_find_adapter(struct intel_dsi *intel_dsi, const u16 target_addr) { … } #else static inline void i2c_acpi_find_adapter(struct intel_dsi *intel_dsi, const u16 target_addr) { } #endif static const u8 *mipi_exec_i2c(struct intel_dsi *intel_dsi, const u8 *data) { … } static const u8 *mipi_exec_spi(struct intel_dsi *intel_dsi, const u8 *data) { … } static const u8 *mipi_exec_pmic(struct intel_dsi *intel_dsi, const u8 *data) { … } fn_mipi_elem_exec; static const fn_mipi_elem_exec exec_elem[] = …; /* * MIPI Sequence from VBT #53 parsing logic * We have already separated each seqence during bios parsing * Following is generic execution function for any sequence */ static const char * const seq_name[] = …; static const char *sequence_name(enum mipi_seq seq_id) { … } static void intel_dsi_vbt_exec(struct intel_dsi *intel_dsi, enum mipi_seq seq_id) { … } void intel_dsi_vbt_exec_sequence(struct intel_dsi *intel_dsi, enum mipi_seq seq_id) { … } void intel_dsi_log_params(struct intel_dsi *intel_dsi) { … } bool intel_dsi_vbt_init(struct intel_dsi *intel_dsi, u16 panel_id) { … } /* * On some BYT/CHT devs some sequences are incomplete and we need to manually * control some GPIOs. We need to add a GPIO lookup table before we get these. * If the GOP did not initialize the panel (HDMI inserted) we may need to also * change the pinmux for the SoC's PWM0 pin from GPIO to PWM. */ static struct gpiod_lookup_table pmic_panel_gpio_table = …; static struct gpiod_lookup_table soc_panel_gpio_table = …; static const struct pinctrl_map soc_pwm_pinctrl_map[] = …; void intel_dsi_vbt_gpio_init(struct intel_dsi *intel_dsi, bool panel_is_on) { … }
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