drivers/DRM:Rename the drm driver to be compatible with hikey960 and hikey970.
Rename DRM driver kirin960 to kirin9xx to be compatible with hikey960 and hikey970. Signed-off-by: Xiubin Zhang <zhangxiubin1@huawei.com>
This commit is contained in:
Xiubin Zhang
Guodong Xu
@@ -4,4 +4,4 @@
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source "drivers/gpu/drm/hisilicon/kirin/Kconfig"
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source "drivers/gpu/drm/hisilicon/kirin960/Kconfig"
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source "drivers/gpu/drm/hisilicon/kirin9xx/Kconfig"
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@@ -3,4 +3,4 @@
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# Please keep this list sorted alphabetically
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obj-$(CONFIG_DRM_HISI_KIRIN) += kirin/
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obj-$(CONFIG_DRM_KIRIN_960) += kirin960/
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obj-$(CONFIG_DRM_KIRIN_960) += kirin9xx/
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@@ -1,402 +0,0 @@
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/*
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* HiKey LCD panel driver
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* TODO: Add backlight adjustment support.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/gpio/consumer.h>
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#include <video/mipi_display.h>
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#include <linux/regulator/consumer.h>
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#include <linux/regulator/driver.h>
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#include <linux/regulator/machine.h>
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#include <drm/drmP.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_mipi_dsi.h>
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#include <drm/drm_panel.h>
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#define REGFLAG_DELAY 0XFFE
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struct hikey_panel {
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struct drm_panel base;
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struct mipi_dsi_device *dsi;
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bool prepared;
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bool enabled;
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struct gpio_desc *gpio_pwr_en;
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struct gpio_desc *gpio_bl_en;
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struct gpio_desc *gpio_pwm;
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struct regulator *vdd;
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};
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struct dsi_panel_cmd {
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u32 cmd; /* cmd: DCS command */
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u32 len; /* command payload length */
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u8 data[64]; /* buffer containing the command payload */
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};
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static struct dsi_panel_cmd nte300nts_init_cmds[] = {
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{0x01, 0, {0x00} },
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{REGFLAG_DELAY, 5, {} },
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{0xB0, 1, {0x00} },
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{REGFLAG_DELAY, 2, {} },
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{0xD6, 1, {0x01} },
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{REGFLAG_DELAY, 2, {} },
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{0xB3, 5, {0x14, 0x08, 0x00, 0x22, 0x00} },
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{REGFLAG_DELAY, 2, {} },
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{0xB4, 1, {0x0C} },
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{REGFLAG_DELAY, 2, {} },
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{0xB6, 2, {0x3A, 0xC3} },
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{REGFLAG_DELAY, 2, {} },
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{0x2A, 4, {0x00, 0x00, 0X04, 0XAF} },
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{REGFLAG_DELAY, 2, {} },
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{0x2B, 4, {0x00, 0x00, 0X07, 0X7F} },
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{REGFLAG_DELAY, 2, {} },
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{0x51, 1, {0xA6} },
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{REGFLAG_DELAY, 2, {} },
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{0x53, 1, {0x2C} },
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{REGFLAG_DELAY, 2, {} },
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{0x3A, 1, {0x66} },
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{REGFLAG_DELAY, 2, {} },
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{0x29, 0, {0x00} },
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{REGFLAG_DELAY, 20, {} },
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{0x11, 0, {0x00} },
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{REGFLAG_DELAY, 150, {} },
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};
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static struct dsi_panel_cmd nte300nts_off_cmds[] = {
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{0x28, 0, {0x00} },
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{REGFLAG_DELAY, 20, {} },
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{0x10, 0, {0x00} },
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{REGFLAG_DELAY, 80, {} },
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};
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static int hikey_panel_write_cmds(struct mipi_dsi_device *dsi,
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struct dsi_panel_cmd *cmds,
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u32 count)
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{
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struct dsi_panel_cmd *cmd;
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int ret = 0;
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u32 i;
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for (i = 0; i < count; i++) {
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cmd = &cmds[i];
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switch (cmd->cmd) {
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case REGFLAG_DELAY:
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msleep(cmd->len);
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break;
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default:
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ret = mipi_dsi_dcs_write(dsi, cmd->cmd, cmd->data,
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cmd->len);
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}
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}
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return ret;
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}
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static inline struct hikey_panel *to_hikey_panel(struct drm_panel *panel)
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{
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return container_of(panel, struct hikey_panel, base);
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}
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static int hikey_panel_unprepare(struct drm_panel *p)
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{
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struct hikey_panel *panel = to_hikey_panel(p);
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if (!panel->prepared)
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return 0;
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gpiod_set_value(panel->gpio_bl_en, 0);
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gpiod_set_value(panel->gpio_pwm, 0);
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panel->prepared = false;
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return 0;
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}
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static int hikey_panel_prepare(struct drm_panel *p)
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{
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struct hikey_panel *panel = to_hikey_panel(p);
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int ret;
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if (panel->prepared)
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return 0;
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/*
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* A minimum delay of 250ms is required after power-up until commands
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* can be sent
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*/
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msleep(250);
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/* init the panel */
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ret = hikey_panel_write_cmds(panel->dsi, nte300nts_init_cmds,
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ARRAY_SIZE(nte300nts_init_cmds));
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if (ret < 0)
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return ret;
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panel->prepared = true;
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return 0;
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}
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static int hikey_panel_disable(struct drm_panel *p)
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{
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struct hikey_panel *panel = to_hikey_panel(p);
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int ret;
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if (!panel->enabled)
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return 0;
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ret = hikey_panel_write_cmds(panel->dsi, nte300nts_off_cmds,
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ARRAY_SIZE(nte300nts_off_cmds));
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if (ret < 0)
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return ret;
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panel->enabled = false;
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return 0;
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}
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static int hikey_panel_enable(struct drm_panel *p)
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{
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struct hikey_panel *panel = to_hikey_panel(p);
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if (panel->enabled)
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return 0;
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msleep(200);
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gpiod_set_value(panel->gpio_bl_en, 1);
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gpiod_set_value(panel->gpio_pwm, 1);
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panel->enabled = true;
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return 0;
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}
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static const struct drm_display_mode default_mode = {
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.clock = 144000,
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.hdisplay = 1200,
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.hsync_start = 1200 + 200,
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.hsync_end = 1200 + 200 + 12,
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.htotal = 1200 + 12 + 60 + 200,
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.vdisplay = 1920,
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.vsync_start = 1920 + 8,
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.vsync_end = 1920 + 8 + 2,
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.vtotal = 1920 + 2 + 8 + 8,
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};
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static int hikey_panel_get_modes(struct drm_panel *panel)
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{
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struct drm_display_mode *mode;
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mode = drm_mode_duplicate(panel->drm, &default_mode);
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if (!mode) {
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DRM_ERROR("failed to add mode %ux%ux@%u\n",
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default_mode.hdisplay, default_mode.vdisplay,
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default_mode.vrefresh);
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return -ENOMEM;
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}
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drm_mode_set_name(mode);
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drm_mode_probed_add(panel->connector, mode);
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panel->connector->display_info.width_mm = 94;
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panel->connector->display_info.height_mm = 151;
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return 1;
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}
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static const struct drm_panel_funcs hikey_panel_funcs = {
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.get_modes = hikey_panel_get_modes,
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.enable = hikey_panel_enable,
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.disable = hikey_panel_disable,
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.prepare = hikey_panel_prepare,
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.unprepare = hikey_panel_unprepare,
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};
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static int hikey_panel_add(struct hikey_panel *panel)
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{
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struct device *dev = &panel->dsi->dev;
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int ret;
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drm_panel_init(&panel->base);
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panel->base.funcs = &hikey_panel_funcs;
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panel->base.dev = dev;
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ret = drm_panel_add(&panel->base);
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if (ret)
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return ret;
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return 0;
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}
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static void hikey_panel_del(struct hikey_panel *panel)
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{
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if (panel->base.dev)
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drm_panel_remove(&panel->base);
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}
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static int hikey_panel_parse_dt(struct hikey_panel *panel)
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{
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struct device *dev = &panel->dsi->dev;
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int ret = 0;
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panel->gpio_pwr_en =
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devm_gpiod_get_optional(dev, "pwr-en", GPIOD_OUT_HIGH);
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if (IS_ERR(panel->gpio_pwr_en))
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return PTR_ERR(panel->gpio_pwr_en);
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panel->gpio_bl_en =
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devm_gpiod_get_optional(dev, "bl-en", GPIOD_OUT_LOW);
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if (IS_ERR(panel->gpio_bl_en))
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return PTR_ERR(panel->gpio_bl_en);
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panel->gpio_pwm =
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devm_gpiod_get_optional(dev, "pwm", GPIOD_OUT_LOW);
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if (IS_ERR(panel->gpio_pwm))
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return PTR_ERR(panel->gpio_pwm);
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panel->vdd = devm_regulator_get(dev, "vdd");
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if (IS_ERR(panel->vdd)) {
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ret = PTR_ERR(panel->vdd);
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return ret;
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}
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ret = regulator_set_voltage(panel->vdd, 1800000, 1800000);
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if (ret)
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return ret;
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ret = regulator_enable(panel->vdd);
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if (ret)
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return ret;
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return 0;
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}
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static int hikey_panel_attach_dsi(struct mipi_dsi_device *dsi)
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{
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int ret;
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dsi->phy_clock = 864000; /* in kHz */
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dsi->lanes = 4;
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dsi->format = MIPI_DSI_FMT_RGB888;
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dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
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MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_VIDEO_HSE |
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MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM;
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ret = mipi_dsi_attach(dsi);
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if (ret) {
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DRM_ERROR("failed to attach dsi to host\n");
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return ret;
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}
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return 0;
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}
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static int hikey_panel_probe(struct mipi_dsi_device *dsi)
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{
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struct device *dev = &dsi->dev;
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struct hikey_panel *panel;
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int ret;
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panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
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if (!panel)
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return -ENOMEM;
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panel->dsi = dsi;
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ret = hikey_panel_parse_dt(panel);
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if (ret)
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return ret;
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ret = hikey_panel_add(panel);
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if (ret)
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return ret;
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ret = hikey_panel_attach_dsi(dsi);
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if (ret) {
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hikey_panel_del(panel);
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return ret;
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}
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mipi_dsi_set_drvdata(dsi, panel);
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return 0;
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}
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static int hikey_panel_remove(struct mipi_dsi_device *dsi)
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{
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struct hikey_panel *panel = mipi_dsi_get_drvdata(dsi);
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int ret;
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ret = hikey_panel_disable(&panel->base);
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if (ret < 0)
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DRM_ERROR("failed to disable panel: %d\n", ret);
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ret = mipi_dsi_detach(dsi);
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if (ret < 0)
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DRM_ERROR("failed to detach from DSI host: %d\n", ret);
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drm_panel_detach(&panel->base);
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hikey_panel_del(panel);
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return 0;
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}
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static void hikey_panel_shutdown(struct mipi_dsi_device *dsi)
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{
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struct hikey_panel *panel = mipi_dsi_get_drvdata(dsi);
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hikey_panel_disable(&panel->base);
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}
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static const struct of_device_id panel_of_match[] = {
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{ .compatible = "hisilicon,mipi-hikey", },
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{ }
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};
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MODULE_DEVICE_TABLE(of, panel_of_match);
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static struct mipi_dsi_driver hikey_panel_driver = {
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.driver = {
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.name = "hikey-lcd-panel",
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.of_match_table = panel_of_match,
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},
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.probe = hikey_panel_probe,
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.remove = hikey_panel_remove,
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.shutdown = hikey_panel_shutdown,
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};
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module_mipi_dsi_driver(hikey_panel_driver);
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MODULE_DESCRIPTION("NTE300NTS (1920x1200) video mode panel driver");
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MODULE_LICENSE("GPL v2");
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Executable → Regular
Executable → Regular
Executable → Regular
Executable → Regular
Executable → Regular
Executable → Regular
Executable → Regular
@@ -29,7 +29,7 @@
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#include <drm/drm_mipi_dsi.h>
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#include <drm/drm_panel.h>
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#include "../hisilicon/kirin960/kirin_fb_panel.h"
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#include "../hisilicon/kirin9xx/kirin_fb_panel.h"
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#define REGFLAG_DELAY 0XFFE
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-2058
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user