1*6b818c53SJagan Teki // SPDX-License-Identifier: GPL-2.0+ 2*6b818c53SJagan Teki /* 3*6b818c53SJagan Teki * Copyright (c) 2019 Radxa Limited 4*6b818c53SJagan Teki * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd. 5*6b818c53SJagan Teki * 6*6b818c53SJagan Teki * Author: 7*6b818c53SJagan Teki * - Jagan Teki <jagan@amarulasolutions.com> 8*6b818c53SJagan Teki * - Stephen Chen <stephen@radxa.com> 9*6b818c53SJagan Teki */ 10*6b818c53SJagan Teki 11*6b818c53SJagan Teki #include <drm/drm_mipi_dsi.h> 12*6b818c53SJagan Teki #include <drm/drm_modes.h> 13*6b818c53SJagan Teki #include <drm/drm_panel.h> 14*6b818c53SJagan Teki #include <drm/drm_print.h> 15*6b818c53SJagan Teki 16*6b818c53SJagan Teki #include <linux/gpio/consumer.h> 17*6b818c53SJagan Teki #include <linux/delay.h> 18*6b818c53SJagan Teki #include <linux/module.h> 19*6b818c53SJagan Teki #include <linux/of_device.h> 20*6b818c53SJagan Teki #include <linux/regulator/consumer.h> 21*6b818c53SJagan Teki 22*6b818c53SJagan Teki #define JD9365DA_INIT_CMD_LEN 2 23*6b818c53SJagan Teki 24*6b818c53SJagan Teki struct jadard_init_cmd { 25*6b818c53SJagan Teki u8 data[JD9365DA_INIT_CMD_LEN]; 26*6b818c53SJagan Teki }; 27*6b818c53SJagan Teki 28*6b818c53SJagan Teki struct jadard_panel_desc { 29*6b818c53SJagan Teki const struct drm_display_mode mode; 30*6b818c53SJagan Teki unsigned int lanes; 31*6b818c53SJagan Teki enum mipi_dsi_pixel_format format; 32*6b818c53SJagan Teki const struct jadard_init_cmd *init_cmds; 33*6b818c53SJagan Teki u32 num_init_cmds; 34*6b818c53SJagan Teki }; 35*6b818c53SJagan Teki 36*6b818c53SJagan Teki struct jadard { 37*6b818c53SJagan Teki struct drm_panel panel; 38*6b818c53SJagan Teki struct mipi_dsi_device *dsi; 39*6b818c53SJagan Teki const struct jadard_panel_desc *desc; 40*6b818c53SJagan Teki 41*6b818c53SJagan Teki struct regulator *vdd; 42*6b818c53SJagan Teki struct regulator *vccio; 43*6b818c53SJagan Teki struct gpio_desc *reset; 44*6b818c53SJagan Teki }; 45*6b818c53SJagan Teki 46*6b818c53SJagan Teki static inline struct jadard *panel_to_jadard(struct drm_panel *panel) 47*6b818c53SJagan Teki { 48*6b818c53SJagan Teki return container_of(panel, struct jadard, panel); 49*6b818c53SJagan Teki } 50*6b818c53SJagan Teki 51*6b818c53SJagan Teki static int jadard_enable(struct drm_panel *panel) 52*6b818c53SJagan Teki { 53*6b818c53SJagan Teki struct device *dev = panel->dev; 54*6b818c53SJagan Teki struct jadard *jadard = panel_to_jadard(panel); 55*6b818c53SJagan Teki const struct jadard_panel_desc *desc = jadard->desc; 56*6b818c53SJagan Teki struct mipi_dsi_device *dsi = jadard->dsi; 57*6b818c53SJagan Teki unsigned int i; 58*6b818c53SJagan Teki int err; 59*6b818c53SJagan Teki 60*6b818c53SJagan Teki msleep(10); 61*6b818c53SJagan Teki 62*6b818c53SJagan Teki for (i = 0; i < desc->num_init_cmds; i++) { 63*6b818c53SJagan Teki const struct jadard_init_cmd *cmd = &desc->init_cmds[i]; 64*6b818c53SJagan Teki 65*6b818c53SJagan Teki err = mipi_dsi_dcs_write_buffer(dsi, cmd->data, JD9365DA_INIT_CMD_LEN); 66*6b818c53SJagan Teki if (err < 0) 67*6b818c53SJagan Teki return err; 68*6b818c53SJagan Teki } 69*6b818c53SJagan Teki 70*6b818c53SJagan Teki msleep(120); 71*6b818c53SJagan Teki 72*6b818c53SJagan Teki err = mipi_dsi_dcs_exit_sleep_mode(dsi); 73*6b818c53SJagan Teki if (err < 0) 74*6b818c53SJagan Teki DRM_DEV_ERROR(dev, "failed to exit sleep mode ret = %d\n", err); 75*6b818c53SJagan Teki 76*6b818c53SJagan Teki err = mipi_dsi_dcs_set_display_on(dsi); 77*6b818c53SJagan Teki if (err < 0) 78*6b818c53SJagan Teki DRM_DEV_ERROR(dev, "failed to set display on ret = %d\n", err); 79*6b818c53SJagan Teki 80*6b818c53SJagan Teki return 0; 81*6b818c53SJagan Teki } 82*6b818c53SJagan Teki 83*6b818c53SJagan Teki static int jadard_disable(struct drm_panel *panel) 84*6b818c53SJagan Teki { 85*6b818c53SJagan Teki struct device *dev = panel->dev; 86*6b818c53SJagan Teki struct jadard *jadard = panel_to_jadard(panel); 87*6b818c53SJagan Teki int ret; 88*6b818c53SJagan Teki 89*6b818c53SJagan Teki ret = mipi_dsi_dcs_set_display_off(jadard->dsi); 90*6b818c53SJagan Teki if (ret < 0) 91*6b818c53SJagan Teki DRM_DEV_ERROR(dev, "failed to set display off: %d\n", ret); 92*6b818c53SJagan Teki 93*6b818c53SJagan Teki ret = mipi_dsi_dcs_enter_sleep_mode(jadard->dsi); 94*6b818c53SJagan Teki if (ret < 0) 95*6b818c53SJagan Teki DRM_DEV_ERROR(dev, "failed to enter sleep mode: %d\n", ret); 96*6b818c53SJagan Teki 97*6b818c53SJagan Teki return 0; 98*6b818c53SJagan Teki } 99*6b818c53SJagan Teki 100*6b818c53SJagan Teki static int jadard_prepare(struct drm_panel *panel) 101*6b818c53SJagan Teki { 102*6b818c53SJagan Teki struct jadard *jadard = panel_to_jadard(panel); 103*6b818c53SJagan Teki int ret; 104*6b818c53SJagan Teki 105*6b818c53SJagan Teki ret = regulator_enable(jadard->vccio); 106*6b818c53SJagan Teki if (ret) 107*6b818c53SJagan Teki return ret; 108*6b818c53SJagan Teki 109*6b818c53SJagan Teki ret = regulator_enable(jadard->vdd); 110*6b818c53SJagan Teki if (ret) 111*6b818c53SJagan Teki return ret; 112*6b818c53SJagan Teki 113*6b818c53SJagan Teki gpiod_set_value(jadard->reset, 1); 114*6b818c53SJagan Teki msleep(5); 115*6b818c53SJagan Teki 116*6b818c53SJagan Teki gpiod_set_value(jadard->reset, 0); 117*6b818c53SJagan Teki msleep(10); 118*6b818c53SJagan Teki 119*6b818c53SJagan Teki gpiod_set_value(jadard->reset, 1); 120*6b818c53SJagan Teki msleep(120); 121*6b818c53SJagan Teki 122*6b818c53SJagan Teki return 0; 123*6b818c53SJagan Teki } 124*6b818c53SJagan Teki 125*6b818c53SJagan Teki static int jadard_unprepare(struct drm_panel *panel) 126*6b818c53SJagan Teki { 127*6b818c53SJagan Teki struct jadard *jadard = panel_to_jadard(panel); 128*6b818c53SJagan Teki 129*6b818c53SJagan Teki gpiod_set_value(jadard->reset, 1); 130*6b818c53SJagan Teki msleep(120); 131*6b818c53SJagan Teki 132*6b818c53SJagan Teki regulator_disable(jadard->vdd); 133*6b818c53SJagan Teki regulator_disable(jadard->vccio); 134*6b818c53SJagan Teki 135*6b818c53SJagan Teki return 0; 136*6b818c53SJagan Teki } 137*6b818c53SJagan Teki 138*6b818c53SJagan Teki static int jadard_get_modes(struct drm_panel *panel, 139*6b818c53SJagan Teki struct drm_connector *connector) 140*6b818c53SJagan Teki { 141*6b818c53SJagan Teki struct jadard *jadard = panel_to_jadard(panel); 142*6b818c53SJagan Teki const struct drm_display_mode *desc_mode = &jadard->desc->mode; 143*6b818c53SJagan Teki struct drm_display_mode *mode; 144*6b818c53SJagan Teki 145*6b818c53SJagan Teki mode = drm_mode_duplicate(connector->dev, desc_mode); 146*6b818c53SJagan Teki if (!mode) { 147*6b818c53SJagan Teki DRM_DEV_ERROR(&jadard->dsi->dev, "failed to add mode %ux%ux@%u\n", 148*6b818c53SJagan Teki desc_mode->hdisplay, desc_mode->vdisplay, 149*6b818c53SJagan Teki drm_mode_vrefresh(desc_mode)); 150*6b818c53SJagan Teki return -ENOMEM; 151*6b818c53SJagan Teki } 152*6b818c53SJagan Teki 153*6b818c53SJagan Teki drm_mode_set_name(mode); 154*6b818c53SJagan Teki drm_mode_probed_add(connector, mode); 155*6b818c53SJagan Teki 156*6b818c53SJagan Teki connector->display_info.width_mm = mode->width_mm; 157*6b818c53SJagan Teki connector->display_info.height_mm = mode->height_mm; 158*6b818c53SJagan Teki 159*6b818c53SJagan Teki return 1; 160*6b818c53SJagan Teki } 161*6b818c53SJagan Teki 162*6b818c53SJagan Teki static const struct drm_panel_funcs jadard_funcs = { 163*6b818c53SJagan Teki .disable = jadard_disable, 164*6b818c53SJagan Teki .unprepare = jadard_unprepare, 165*6b818c53SJagan Teki .prepare = jadard_prepare, 166*6b818c53SJagan Teki .enable = jadard_enable, 167*6b818c53SJagan Teki .get_modes = jadard_get_modes, 168*6b818c53SJagan Teki }; 169*6b818c53SJagan Teki 170*6b818c53SJagan Teki static const struct jadard_init_cmd cz101b4001_init_cmds[] = { 171*6b818c53SJagan Teki { .data = { 0xE0, 0x00 } }, 172*6b818c53SJagan Teki { .data = { 0xE1, 0x93 } }, 173*6b818c53SJagan Teki { .data = { 0xE2, 0x65 } }, 174*6b818c53SJagan Teki { .data = { 0xE3, 0xF8 } }, 175*6b818c53SJagan Teki { .data = { 0x80, 0x03 } }, 176*6b818c53SJagan Teki { .data = { 0xE0, 0x01 } }, 177*6b818c53SJagan Teki { .data = { 0x00, 0x00 } }, 178*6b818c53SJagan Teki { .data = { 0x01, 0x3B } }, 179*6b818c53SJagan Teki { .data = { 0x0C, 0x74 } }, 180*6b818c53SJagan Teki { .data = { 0x17, 0x00 } }, 181*6b818c53SJagan Teki { .data = { 0x18, 0xAF } }, 182*6b818c53SJagan Teki { .data = { 0x19, 0x00 } }, 183*6b818c53SJagan Teki { .data = { 0x1A, 0x00 } }, 184*6b818c53SJagan Teki { .data = { 0x1B, 0xAF } }, 185*6b818c53SJagan Teki { .data = { 0x1C, 0x00 } }, 186*6b818c53SJagan Teki { .data = { 0x35, 0x26 } }, 187*6b818c53SJagan Teki { .data = { 0x37, 0x09 } }, 188*6b818c53SJagan Teki { .data = { 0x38, 0x04 } }, 189*6b818c53SJagan Teki { .data = { 0x39, 0x00 } }, 190*6b818c53SJagan Teki { .data = { 0x3A, 0x01 } }, 191*6b818c53SJagan Teki { .data = { 0x3C, 0x78 } }, 192*6b818c53SJagan Teki { .data = { 0x3D, 0xFF } }, 193*6b818c53SJagan Teki { .data = { 0x3E, 0xFF } }, 194*6b818c53SJagan Teki { .data = { 0x3F, 0x7F } }, 195*6b818c53SJagan Teki { .data = { 0x40, 0x06 } }, 196*6b818c53SJagan Teki { .data = { 0x41, 0xA0 } }, 197*6b818c53SJagan Teki { .data = { 0x42, 0x81 } }, 198*6b818c53SJagan Teki { .data = { 0x43, 0x14 } }, 199*6b818c53SJagan Teki { .data = { 0x44, 0x23 } }, 200*6b818c53SJagan Teki { .data = { 0x45, 0x28 } }, 201*6b818c53SJagan Teki { .data = { 0x55, 0x02 } }, 202*6b818c53SJagan Teki { .data = { 0x57, 0x69 } }, 203*6b818c53SJagan Teki { .data = { 0x59, 0x0A } }, 204*6b818c53SJagan Teki { .data = { 0x5A, 0x2A } }, 205*6b818c53SJagan Teki { .data = { 0x5B, 0x17 } }, 206*6b818c53SJagan Teki { .data = { 0x5D, 0x7F } }, 207*6b818c53SJagan Teki { .data = { 0x5E, 0x6B } }, 208*6b818c53SJagan Teki { .data = { 0x5F, 0x5C } }, 209*6b818c53SJagan Teki { .data = { 0x60, 0x4F } }, 210*6b818c53SJagan Teki { .data = { 0x61, 0x4D } }, 211*6b818c53SJagan Teki { .data = { 0x62, 0x3F } }, 212*6b818c53SJagan Teki { .data = { 0x63, 0x42 } }, 213*6b818c53SJagan Teki { .data = { 0x64, 0x2B } }, 214*6b818c53SJagan Teki { .data = { 0x65, 0x44 } }, 215*6b818c53SJagan Teki { .data = { 0x66, 0x43 } }, 216*6b818c53SJagan Teki { .data = { 0x67, 0x43 } }, 217*6b818c53SJagan Teki { .data = { 0x68, 0x63 } }, 218*6b818c53SJagan Teki { .data = { 0x69, 0x52 } }, 219*6b818c53SJagan Teki { .data = { 0x6A, 0x5A } }, 220*6b818c53SJagan Teki { .data = { 0x6B, 0x4F } }, 221*6b818c53SJagan Teki { .data = { 0x6C, 0x4E } }, 222*6b818c53SJagan Teki { .data = { 0x6D, 0x20 } }, 223*6b818c53SJagan Teki { .data = { 0x6E, 0x0F } }, 224*6b818c53SJagan Teki { .data = { 0x6F, 0x00 } }, 225*6b818c53SJagan Teki { .data = { 0x70, 0x7F } }, 226*6b818c53SJagan Teki { .data = { 0x71, 0x6B } }, 227*6b818c53SJagan Teki { .data = { 0x72, 0x5C } }, 228*6b818c53SJagan Teki { .data = { 0x73, 0x4F } }, 229*6b818c53SJagan Teki { .data = { 0x74, 0x4D } }, 230*6b818c53SJagan Teki { .data = { 0x75, 0x3F } }, 231*6b818c53SJagan Teki { .data = { 0x76, 0x42 } }, 232*6b818c53SJagan Teki { .data = { 0x77, 0x2B } }, 233*6b818c53SJagan Teki { .data = { 0x78, 0x44 } }, 234*6b818c53SJagan Teki { .data = { 0x79, 0x43 } }, 235*6b818c53SJagan Teki { .data = { 0x7A, 0x43 } }, 236*6b818c53SJagan Teki { .data = { 0x7B, 0x63 } }, 237*6b818c53SJagan Teki { .data = { 0x7C, 0x52 } }, 238*6b818c53SJagan Teki { .data = { 0x7D, 0x5A } }, 239*6b818c53SJagan Teki { .data = { 0x7E, 0x4F } }, 240*6b818c53SJagan Teki { .data = { 0x7F, 0x4E } }, 241*6b818c53SJagan Teki { .data = { 0x80, 0x20 } }, 242*6b818c53SJagan Teki { .data = { 0x81, 0x0F } }, 243*6b818c53SJagan Teki { .data = { 0x82, 0x00 } }, 244*6b818c53SJagan Teki { .data = { 0xE0, 0x02 } }, 245*6b818c53SJagan Teki { .data = { 0x00, 0x02 } }, 246*6b818c53SJagan Teki { .data = { 0x01, 0x02 } }, 247*6b818c53SJagan Teki { .data = { 0x02, 0x00 } }, 248*6b818c53SJagan Teki { .data = { 0x03, 0x00 } }, 249*6b818c53SJagan Teki { .data = { 0x04, 0x1E } }, 250*6b818c53SJagan Teki { .data = { 0x05, 0x1E } }, 251*6b818c53SJagan Teki { .data = { 0x06, 0x1F } }, 252*6b818c53SJagan Teki { .data = { 0x07, 0x1F } }, 253*6b818c53SJagan Teki { .data = { 0x08, 0x1F } }, 254*6b818c53SJagan Teki { .data = { 0x09, 0x17 } }, 255*6b818c53SJagan Teki { .data = { 0x0A, 0x17 } }, 256*6b818c53SJagan Teki { .data = { 0x0B, 0x37 } }, 257*6b818c53SJagan Teki { .data = { 0x0C, 0x37 } }, 258*6b818c53SJagan Teki { .data = { 0x0D, 0x47 } }, 259*6b818c53SJagan Teki { .data = { 0x0E, 0x47 } }, 260*6b818c53SJagan Teki { .data = { 0x0F, 0x45 } }, 261*6b818c53SJagan Teki { .data = { 0x10, 0x45 } }, 262*6b818c53SJagan Teki { .data = { 0x11, 0x4B } }, 263*6b818c53SJagan Teki { .data = { 0x12, 0x4B } }, 264*6b818c53SJagan Teki { .data = { 0x13, 0x49 } }, 265*6b818c53SJagan Teki { .data = { 0x14, 0x49 } }, 266*6b818c53SJagan Teki { .data = { 0x15, 0x1F } }, 267*6b818c53SJagan Teki { .data = { 0x16, 0x01 } }, 268*6b818c53SJagan Teki { .data = { 0x17, 0x01 } }, 269*6b818c53SJagan Teki { .data = { 0x18, 0x00 } }, 270*6b818c53SJagan Teki { .data = { 0x19, 0x00 } }, 271*6b818c53SJagan Teki { .data = { 0x1A, 0x1E } }, 272*6b818c53SJagan Teki { .data = { 0x1B, 0x1E } }, 273*6b818c53SJagan Teki { .data = { 0x1C, 0x1F } }, 274*6b818c53SJagan Teki { .data = { 0x1D, 0x1F } }, 275*6b818c53SJagan Teki { .data = { 0x1E, 0x1F } }, 276*6b818c53SJagan Teki { .data = { 0x1F, 0x17 } }, 277*6b818c53SJagan Teki { .data = { 0x20, 0x17 } }, 278*6b818c53SJagan Teki { .data = { 0x21, 0x37 } }, 279*6b818c53SJagan Teki { .data = { 0x22, 0x37 } }, 280*6b818c53SJagan Teki { .data = { 0x23, 0x46 } }, 281*6b818c53SJagan Teki { .data = { 0x24, 0x46 } }, 282*6b818c53SJagan Teki { .data = { 0x25, 0x44 } }, 283*6b818c53SJagan Teki { .data = { 0x26, 0x44 } }, 284*6b818c53SJagan Teki { .data = { 0x27, 0x4A } }, 285*6b818c53SJagan Teki { .data = { 0x28, 0x4A } }, 286*6b818c53SJagan Teki { .data = { 0x29, 0x48 } }, 287*6b818c53SJagan Teki { .data = { 0x2A, 0x48 } }, 288*6b818c53SJagan Teki { .data = { 0x2B, 0x1F } }, 289*6b818c53SJagan Teki { .data = { 0x2C, 0x01 } }, 290*6b818c53SJagan Teki { .data = { 0x2D, 0x01 } }, 291*6b818c53SJagan Teki { .data = { 0x2E, 0x00 } }, 292*6b818c53SJagan Teki { .data = { 0x2F, 0x00 } }, 293*6b818c53SJagan Teki { .data = { 0x30, 0x1F } }, 294*6b818c53SJagan Teki { .data = { 0x31, 0x1F } }, 295*6b818c53SJagan Teki { .data = { 0x32, 0x1E } }, 296*6b818c53SJagan Teki { .data = { 0x33, 0x1E } }, 297*6b818c53SJagan Teki { .data = { 0x34, 0x1F } }, 298*6b818c53SJagan Teki { .data = { 0x35, 0x17 } }, 299*6b818c53SJagan Teki { .data = { 0x36, 0x17 } }, 300*6b818c53SJagan Teki { .data = { 0x37, 0x37 } }, 301*6b818c53SJagan Teki { .data = { 0x38, 0x37 } }, 302*6b818c53SJagan Teki { .data = { 0x39, 0x08 } }, 303*6b818c53SJagan Teki { .data = { 0x3A, 0x08 } }, 304*6b818c53SJagan Teki { .data = { 0x3B, 0x0A } }, 305*6b818c53SJagan Teki { .data = { 0x3C, 0x0A } }, 306*6b818c53SJagan Teki { .data = { 0x3D, 0x04 } }, 307*6b818c53SJagan Teki { .data = { 0x3E, 0x04 } }, 308*6b818c53SJagan Teki { .data = { 0x3F, 0x06 } }, 309*6b818c53SJagan Teki { .data = { 0x40, 0x06 } }, 310*6b818c53SJagan Teki { .data = { 0x41, 0x1F } }, 311*6b818c53SJagan Teki { .data = { 0x42, 0x02 } }, 312*6b818c53SJagan Teki { .data = { 0x43, 0x02 } }, 313*6b818c53SJagan Teki { .data = { 0x44, 0x00 } }, 314*6b818c53SJagan Teki { .data = { 0x45, 0x00 } }, 315*6b818c53SJagan Teki { .data = { 0x46, 0x1F } }, 316*6b818c53SJagan Teki { .data = { 0x47, 0x1F } }, 317*6b818c53SJagan Teki { .data = { 0x48, 0x1E } }, 318*6b818c53SJagan Teki { .data = { 0x49, 0x1E } }, 319*6b818c53SJagan Teki { .data = { 0x4A, 0x1F } }, 320*6b818c53SJagan Teki { .data = { 0x4B, 0x17 } }, 321*6b818c53SJagan Teki { .data = { 0x4C, 0x17 } }, 322*6b818c53SJagan Teki { .data = { 0x4D, 0x37 } }, 323*6b818c53SJagan Teki { .data = { 0x4E, 0x37 } }, 324*6b818c53SJagan Teki { .data = { 0x4F, 0x09 } }, 325*6b818c53SJagan Teki { .data = { 0x50, 0x09 } }, 326*6b818c53SJagan Teki { .data = { 0x51, 0x0B } }, 327*6b818c53SJagan Teki { .data = { 0x52, 0x0B } }, 328*6b818c53SJagan Teki { .data = { 0x53, 0x05 } }, 329*6b818c53SJagan Teki { .data = { 0x54, 0x05 } }, 330*6b818c53SJagan Teki { .data = { 0x55, 0x07 } }, 331*6b818c53SJagan Teki { .data = { 0x56, 0x07 } }, 332*6b818c53SJagan Teki { .data = { 0x57, 0x1F } }, 333*6b818c53SJagan Teki { .data = { 0x58, 0x40 } }, 334*6b818c53SJagan Teki { .data = { 0x5B, 0x30 } }, 335*6b818c53SJagan Teki { .data = { 0x5C, 0x16 } }, 336*6b818c53SJagan Teki { .data = { 0x5D, 0x34 } }, 337*6b818c53SJagan Teki { .data = { 0x5E, 0x05 } }, 338*6b818c53SJagan Teki { .data = { 0x5F, 0x02 } }, 339*6b818c53SJagan Teki { .data = { 0x63, 0x00 } }, 340*6b818c53SJagan Teki { .data = { 0x64, 0x6A } }, 341*6b818c53SJagan Teki { .data = { 0x67, 0x73 } }, 342*6b818c53SJagan Teki { .data = { 0x68, 0x1D } }, 343*6b818c53SJagan Teki { .data = { 0x69, 0x08 } }, 344*6b818c53SJagan Teki { .data = { 0x6A, 0x6A } }, 345*6b818c53SJagan Teki { .data = { 0x6B, 0x08 } }, 346*6b818c53SJagan Teki { .data = { 0x6C, 0x00 } }, 347*6b818c53SJagan Teki { .data = { 0x6D, 0x00 } }, 348*6b818c53SJagan Teki { .data = { 0x6E, 0x00 } }, 349*6b818c53SJagan Teki { .data = { 0x6F, 0x88 } }, 350*6b818c53SJagan Teki { .data = { 0x75, 0xFF } }, 351*6b818c53SJagan Teki { .data = { 0x77, 0xDD } }, 352*6b818c53SJagan Teki { .data = { 0x78, 0x3F } }, 353*6b818c53SJagan Teki { .data = { 0x79, 0x15 } }, 354*6b818c53SJagan Teki { .data = { 0x7A, 0x17 } }, 355*6b818c53SJagan Teki { .data = { 0x7D, 0x14 } }, 356*6b818c53SJagan Teki { .data = { 0x7E, 0x82 } }, 357*6b818c53SJagan Teki { .data = { 0xE0, 0x04 } }, 358*6b818c53SJagan Teki { .data = { 0x00, 0x0E } }, 359*6b818c53SJagan Teki { .data = { 0x02, 0xB3 } }, 360*6b818c53SJagan Teki { .data = { 0x09, 0x61 } }, 361*6b818c53SJagan Teki { .data = { 0x0E, 0x48 } }, 362*6b818c53SJagan Teki { .data = { 0xE0, 0x00 } }, 363*6b818c53SJagan Teki { .data = { 0xE6, 0x02 } }, 364*6b818c53SJagan Teki { .data = { 0xE7, 0x0C } }, 365*6b818c53SJagan Teki }; 366*6b818c53SJagan Teki 367*6b818c53SJagan Teki static const struct jadard_panel_desc cz101b4001_desc = { 368*6b818c53SJagan Teki .mode = { 369*6b818c53SJagan Teki .clock = 70000, 370*6b818c53SJagan Teki 371*6b818c53SJagan Teki .hdisplay = 800, 372*6b818c53SJagan Teki .hsync_start = 800 + 40, 373*6b818c53SJagan Teki .hsync_end = 800 + 40 + 18, 374*6b818c53SJagan Teki .htotal = 800 + 40 + 18 + 20, 375*6b818c53SJagan Teki 376*6b818c53SJagan Teki .vdisplay = 1280, 377*6b818c53SJagan Teki .vsync_start = 1280 + 20, 378*6b818c53SJagan Teki .vsync_end = 1280 + 20 + 4, 379*6b818c53SJagan Teki .vtotal = 1280 + 20 + 4 + 20, 380*6b818c53SJagan Teki 381*6b818c53SJagan Teki .width_mm = 62, 382*6b818c53SJagan Teki .height_mm = 110, 383*6b818c53SJagan Teki .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, 384*6b818c53SJagan Teki }, 385*6b818c53SJagan Teki .lanes = 4, 386*6b818c53SJagan Teki .format = MIPI_DSI_FMT_RGB888, 387*6b818c53SJagan Teki .init_cmds = cz101b4001_init_cmds, 388*6b818c53SJagan Teki .num_init_cmds = ARRAY_SIZE(cz101b4001_init_cmds), 389*6b818c53SJagan Teki }; 390*6b818c53SJagan Teki 391*6b818c53SJagan Teki static int jadard_dsi_probe(struct mipi_dsi_device *dsi) 392*6b818c53SJagan Teki { 393*6b818c53SJagan Teki struct device *dev = &dsi->dev; 394*6b818c53SJagan Teki const struct jadard_panel_desc *desc; 395*6b818c53SJagan Teki struct jadard *jadard; 396*6b818c53SJagan Teki int ret; 397*6b818c53SJagan Teki 398*6b818c53SJagan Teki jadard = devm_kzalloc(&dsi->dev, sizeof(*jadard), GFP_KERNEL); 399*6b818c53SJagan Teki if (!jadard) 400*6b818c53SJagan Teki return -ENOMEM; 401*6b818c53SJagan Teki 402*6b818c53SJagan Teki desc = of_device_get_match_data(dev); 403*6b818c53SJagan Teki dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | 404*6b818c53SJagan Teki MIPI_DSI_MODE_NO_EOT_PACKET; 405*6b818c53SJagan Teki dsi->format = desc->format; 406*6b818c53SJagan Teki dsi->lanes = desc->lanes; 407*6b818c53SJagan Teki 408*6b818c53SJagan Teki jadard->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); 409*6b818c53SJagan Teki if (IS_ERR(jadard->reset)) { 410*6b818c53SJagan Teki DRM_DEV_ERROR(&dsi->dev, "failed to get our reset GPIO\n"); 411*6b818c53SJagan Teki return PTR_ERR(jadard->reset); 412*6b818c53SJagan Teki } 413*6b818c53SJagan Teki 414*6b818c53SJagan Teki jadard->vdd = devm_regulator_get(dev, "vdd"); 415*6b818c53SJagan Teki if (IS_ERR(jadard->vdd)) { 416*6b818c53SJagan Teki DRM_DEV_ERROR(&dsi->dev, "failed to get vdd regulator\n"); 417*6b818c53SJagan Teki return PTR_ERR(jadard->vdd); 418*6b818c53SJagan Teki } 419*6b818c53SJagan Teki 420*6b818c53SJagan Teki jadard->vccio = devm_regulator_get(dev, "vccio"); 421*6b818c53SJagan Teki if (IS_ERR(jadard->vccio)) { 422*6b818c53SJagan Teki DRM_DEV_ERROR(&dsi->dev, "failed to get vccio regulator\n"); 423*6b818c53SJagan Teki return PTR_ERR(jadard->vccio); 424*6b818c53SJagan Teki } 425*6b818c53SJagan Teki 426*6b818c53SJagan Teki drm_panel_init(&jadard->panel, dev, &jadard_funcs, 427*6b818c53SJagan Teki DRM_MODE_CONNECTOR_DSI); 428*6b818c53SJagan Teki 429*6b818c53SJagan Teki ret = drm_panel_of_backlight(&jadard->panel); 430*6b818c53SJagan Teki if (ret) 431*6b818c53SJagan Teki return ret; 432*6b818c53SJagan Teki 433*6b818c53SJagan Teki drm_panel_add(&jadard->panel); 434*6b818c53SJagan Teki 435*6b818c53SJagan Teki mipi_dsi_set_drvdata(dsi, jadard); 436*6b818c53SJagan Teki jadard->dsi = dsi; 437*6b818c53SJagan Teki jadard->desc = desc; 438*6b818c53SJagan Teki 439*6b818c53SJagan Teki ret = mipi_dsi_attach(dsi); 440*6b818c53SJagan Teki if (ret < 0) 441*6b818c53SJagan Teki drm_panel_remove(&jadard->panel); 442*6b818c53SJagan Teki 443*6b818c53SJagan Teki return ret; 444*6b818c53SJagan Teki } 445*6b818c53SJagan Teki 446*6b818c53SJagan Teki static void jadard_dsi_remove(struct mipi_dsi_device *dsi) 447*6b818c53SJagan Teki { 448*6b818c53SJagan Teki struct jadard *jadard = mipi_dsi_get_drvdata(dsi); 449*6b818c53SJagan Teki 450*6b818c53SJagan Teki mipi_dsi_detach(dsi); 451*6b818c53SJagan Teki drm_panel_remove(&jadard->panel); 452*6b818c53SJagan Teki } 453*6b818c53SJagan Teki 454*6b818c53SJagan Teki static const struct of_device_id jadard_of_match[] = { 455*6b818c53SJagan Teki { .compatible = "chongzhou,cz101b4001", .data = &cz101b4001_desc }, 456*6b818c53SJagan Teki { /* sentinel */ } 457*6b818c53SJagan Teki }; 458*6b818c53SJagan Teki MODULE_DEVICE_TABLE(of, jadard_of_match); 459*6b818c53SJagan Teki 460*6b818c53SJagan Teki static struct mipi_dsi_driver jadard_driver = { 461*6b818c53SJagan Teki .probe = jadard_dsi_probe, 462*6b818c53SJagan Teki .remove = jadard_dsi_remove, 463*6b818c53SJagan Teki .driver = { 464*6b818c53SJagan Teki .name = "jadard-jd9365da", 465*6b818c53SJagan Teki .of_match_table = jadard_of_match, 466*6b818c53SJagan Teki }, 467*6b818c53SJagan Teki }; 468*6b818c53SJagan Teki module_mipi_dsi_driver(jadard_driver); 469*6b818c53SJagan Teki 470*6b818c53SJagan Teki MODULE_AUTHOR("Jagan Teki <jagan@edgeble.ai>"); 471*6b818c53SJagan Teki MODULE_AUTHOR("Stephen Chen <stephen@radxa.com>"); 472*6b818c53SJagan Teki MODULE_DESCRIPTION("Jadard JD9365DA-H3 WXGA DSI panel"); 473*6b818c53SJagan Teki MODULE_LICENSE("GPL"); 474