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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2021 Raffaele Tranquillini <raffaele.tranquillini@gmail.com>
4 *
5 * Generated using linux-mdss-dsi-panel-driver-generator from Lineage OS device tree:
6 * https://github.com/LineageOS/android_kernel_xiaomi_msm8996/blob/lineage-18.1/arch/arm/boot/dts/qcom/a1-msm8996-mtp.dtsi
7 */
8
9#include <linux/delay.h>
10#include <linux/gpio/consumer.h>
11#include <linux/module.h>
12#include <linux/of.h>
13
14#include <video/mipi_display.h>
15
16#include <drm/drm_mipi_dsi.h>
17#include <drm/drm_modes.h>
18#include <drm/drm_panel.h>
19
20struct jdi_fhd_r63452 {
21 struct drm_panel panel;
22 struct mipi_dsi_device *dsi;
23 struct gpio_desc *reset_gpio;
24};
25
26static inline struct jdi_fhd_r63452 *to_jdi_fhd_r63452(struct drm_panel *panel)
27{
28 return container_of(panel, struct jdi_fhd_r63452, panel);
29}
30
31static void jdi_fhd_r63452_reset(struct jdi_fhd_r63452 *ctx)
32{
33 gpiod_set_value_cansleep(ctx->reset_gpio, 0);
34 usleep_range(10000, 11000);
35 gpiod_set_value_cansleep(ctx->reset_gpio, 1);
36 usleep_range(1000, 2000);
37 gpiod_set_value_cansleep(ctx->reset_gpio, 0);
38 usleep_range(10000, 11000);
39}
40
41static int jdi_fhd_r63452_on(struct jdi_fhd_r63452 *ctx)
42{
43 struct mipi_dsi_device *dsi = ctx->dsi;
44 struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
45
46 dsi->mode_flags |= MIPI_DSI_MODE_LPM;
47
48 mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xb0, 0x00);
49 mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xd6, 0x01);
50 mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xec,
51 0x64, 0xdc, 0xec, 0x3b, 0x52, 0x00, 0x0b, 0x0b,
52 0x13, 0x15, 0x68, 0x0b, 0xb5);
53 mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xb0, 0x03);
54
55 mipi_dsi_dcs_set_tear_on_multi(&dsi_ctx, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
56
57 mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_SET_ADDRESS_MODE, 0x00);
58
59 mipi_dsi_dcs_set_pixel_format_multi(&dsi_ctx, 0x77);
60 mipi_dsi_dcs_set_column_address_multi(&dsi_ctx, 0x0000, 0x0437);
61 mipi_dsi_dcs_set_page_address_multi(&dsi_ctx, 0x0000, 0x077f);
62 mipi_dsi_dcs_set_tear_scanline_multi(&dsi_ctx, 0x0000);
63 mipi_dsi_dcs_set_display_brightness_multi(&dsi_ctx, 0x00ff);
64
65 mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x24);
66 mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_POWER_SAVE, 0x00);
67 mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS, 0x00);
68 mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x84, 0x00);
69
70 mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
71 mipi_dsi_msleep(&dsi_ctx, 20);
72 mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
73 mipi_dsi_msleep(&dsi_ctx, 80);
74
75 mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xb0, 0x04);
76 mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x84, 0x00);
77 mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xc8, 0x11);
78 mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xb0, 0x03);
79
80 return dsi_ctx.accum_err;
81}
82
83static void jdi_fhd_r63452_off(struct jdi_fhd_r63452 *ctx)
84{
85 struct mipi_dsi_device *dsi = ctx->dsi;
86 struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
87
88 dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
89
90 mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xb0, 0x00);
91 mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xd6, 0x01);
92 mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xec,
93 0x64, 0xdc, 0xec, 0x3b, 0x52, 0x00, 0x0b, 0x0b,
94 0x13, 0x15, 0x68, 0x0b, 0x95);
95 mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xb0, 0x03);
96
97 mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
98 mipi_dsi_usleep_range(&dsi_ctx, 2000, 3000);
99 mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
100 mipi_dsi_msleep(&dsi_ctx, 120);
101}
102
103static int jdi_fhd_r63452_prepare(struct drm_panel *panel)
104{
105 struct jdi_fhd_r63452 *ctx = to_jdi_fhd_r63452(panel);
106 int ret;
107
108 jdi_fhd_r63452_reset(ctx);
109
110 ret = jdi_fhd_r63452_on(ctx);
111 if (ret < 0)
112 gpiod_set_value_cansleep(ctx->reset_gpio, 1);
113
114 return ret;
115}
116
117static int jdi_fhd_r63452_unprepare(struct drm_panel *panel)
118{
119 struct jdi_fhd_r63452 *ctx = to_jdi_fhd_r63452(panel);
120
121 /*
122 * NOTE: We don't return an error here as while the panel won't have
123 * been cleanly turned off at least we've asserted the reset signal
124 * so it should be safe to power it back on again later
125 */
126 jdi_fhd_r63452_off(ctx);
127
128 gpiod_set_value_cansleep(ctx->reset_gpio, 1);
129
130 return 0;
131}
132
133static const struct drm_display_mode jdi_fhd_r63452_mode = {
134 .clock = (1080 + 120 + 16 + 40) * (1920 + 4 + 2 + 4) * 60 / 1000,
135 .hdisplay = 1080,
136 .hsync_start = 1080 + 120,
137 .hsync_end = 1080 + 120 + 16,
138 .htotal = 1080 + 120 + 16 + 40,
139 .vdisplay = 1920,
140 .vsync_start = 1920 + 4,
141 .vsync_end = 1920 + 4 + 2,
142 .vtotal = 1920 + 4 + 2 + 4,
143 .width_mm = 64,
144 .height_mm = 114,
145};
146
147static int jdi_fhd_r63452_get_modes(struct drm_panel *panel,
148 struct drm_connector *connector)
149{
150 struct drm_display_mode *mode;
151
152 mode = drm_mode_duplicate(connector->dev, &jdi_fhd_r63452_mode);
153 if (!mode)
154 return -ENOMEM;
155
156 drm_mode_set_name(mode);
157
158 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
159 connector->display_info.width_mm = mode->width_mm;
160 connector->display_info.height_mm = mode->height_mm;
161 drm_mode_probed_add(connector, mode);
162
163 return 1;
164}
165
166static const struct drm_panel_funcs jdi_fhd_r63452_panel_funcs = {
167 .prepare = jdi_fhd_r63452_prepare,
168 .unprepare = jdi_fhd_r63452_unprepare,
169 .get_modes = jdi_fhd_r63452_get_modes,
170};
171
172static int jdi_fhd_r63452_probe(struct mipi_dsi_device *dsi)
173{
174 struct device *dev = &dsi->dev;
175 struct jdi_fhd_r63452 *ctx;
176 int ret;
177
178 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
179 if (!ctx)
180 return -ENOMEM;
181
182 ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
183 if (IS_ERR(ctx->reset_gpio))
184 return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
185 "Failed to get reset-gpios\n");
186
187 ctx->dsi = dsi;
188 mipi_dsi_set_drvdata(dsi, ctx);
189
190 dsi->lanes = 4;
191 dsi->format = MIPI_DSI_FMT_RGB888;
192 dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST |
193 MIPI_DSI_CLOCK_NON_CONTINUOUS;
194
195 drm_panel_init(&ctx->panel, dev, &jdi_fhd_r63452_panel_funcs,
196 DRM_MODE_CONNECTOR_DSI);
197 ctx->panel.prepare_prev_first = true;
198
199 ret = drm_panel_of_backlight(&ctx->panel);
200 if (ret)
201 return dev_err_probe(dev, ret, "Failed to get backlight\n");
202
203 drm_panel_add(&ctx->panel);
204
205 ret = mipi_dsi_attach(dsi);
206 if (ret < 0) {
207 dev_err(dev, "Failed to attach to DSI host: %d\n", ret);
208 return ret;
209 }
210
211 return 0;
212}
213
214static void jdi_fhd_r63452_remove(struct mipi_dsi_device *dsi)
215{
216 struct jdi_fhd_r63452 *ctx = mipi_dsi_get_drvdata(dsi);
217 int ret;
218
219 ret = mipi_dsi_detach(dsi);
220 if (ret < 0)
221 dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
222
223 drm_panel_remove(&ctx->panel);
224}
225
226static const struct of_device_id jdi_fhd_r63452_of_match[] = {
227 { .compatible = "jdi,fhd-r63452" },
228 { /* sentinel */ }
229};
230MODULE_DEVICE_TABLE(of, jdi_fhd_r63452_of_match);
231
232static struct mipi_dsi_driver jdi_fhd_r63452_driver = {
233 .probe = jdi_fhd_r63452_probe,
234 .remove = jdi_fhd_r63452_remove,
235 .driver = {
236 .name = "panel-jdi-fhd-r63452",
237 .of_match_table = jdi_fhd_r63452_of_match,
238 },
239};
240module_mipi_dsi_driver(jdi_fhd_r63452_driver);
241
242MODULE_AUTHOR("Raffaele Tranquillini <raffaele.tranquillini@gmail.com>");
243MODULE_DESCRIPTION("DRM driver for JDI FHD R63452 DSI panel, command mode");
244MODULE_LICENSE("GPL v2");
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2021 Raffaele Tranquillini <raffaele.tranquillini@gmail.com>
4 *
5 * Generated using linux-mdss-dsi-panel-driver-generator from Lineage OS device tree:
6 * https://github.com/LineageOS/android_kernel_xiaomi_msm8996/blob/lineage-18.1/arch/arm/boot/dts/qcom/a1-msm8996-mtp.dtsi
7 */
8
9#include <linux/delay.h>
10#include <linux/gpio/consumer.h>
11#include <linux/module.h>
12#include <linux/of.h>
13
14#include <video/mipi_display.h>
15
16#include <drm/drm_mipi_dsi.h>
17#include <drm/drm_modes.h>
18#include <drm/drm_panel.h>
19
20struct jdi_fhd_r63452 {
21 struct drm_panel panel;
22 struct mipi_dsi_device *dsi;
23 struct gpio_desc *reset_gpio;
24 bool prepared;
25};
26
27static inline struct jdi_fhd_r63452 *to_jdi_fhd_r63452(struct drm_panel *panel)
28{
29 return container_of(panel, struct jdi_fhd_r63452, panel);
30}
31
32#define dsi_generic_write_seq(dsi, seq...) do { \
33 static const u8 d[] = { seq }; \
34 int ret; \
35 ret = mipi_dsi_generic_write(dsi, d, ARRAY_SIZE(d)); \
36 if (ret < 0) \
37 return ret; \
38 } while (0)
39
40#define dsi_dcs_write_seq(dsi, seq...) do { \
41 static const u8 d[] = { seq }; \
42 int ret; \
43 ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \
44 if (ret < 0) \
45 return ret; \
46 } while (0)
47
48static void jdi_fhd_r63452_reset(struct jdi_fhd_r63452 *ctx)
49{
50 gpiod_set_value_cansleep(ctx->reset_gpio, 0);
51 usleep_range(10000, 11000);
52 gpiod_set_value_cansleep(ctx->reset_gpio, 1);
53 usleep_range(1000, 2000);
54 gpiod_set_value_cansleep(ctx->reset_gpio, 0);
55 usleep_range(10000, 11000);
56}
57
58static int jdi_fhd_r63452_on(struct jdi_fhd_r63452 *ctx)
59{
60 struct mipi_dsi_device *dsi = ctx->dsi;
61 struct device *dev = &dsi->dev;
62 int ret;
63
64 dsi->mode_flags |= MIPI_DSI_MODE_LPM;
65
66 dsi_generic_write_seq(dsi, 0xb0, 0x00);
67 dsi_generic_write_seq(dsi, 0xd6, 0x01);
68 dsi_generic_write_seq(dsi, 0xec,
69 0x64, 0xdc, 0xec, 0x3b, 0x52, 0x00, 0x0b, 0x0b,
70 0x13, 0x15, 0x68, 0x0b, 0xb5);
71 dsi_generic_write_seq(dsi, 0xb0, 0x03);
72
73 ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
74 if (ret < 0) {
75 dev_err(dev, "Failed to set tear on: %d\n", ret);
76 return ret;
77 }
78
79 dsi_dcs_write_seq(dsi, MIPI_DCS_SET_ADDRESS_MODE, 0x00);
80
81 ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x77);
82 if (ret < 0) {
83 dev_err(dev, "Failed to set pixel format: %d\n", ret);
84 return ret;
85 }
86
87 ret = mipi_dsi_dcs_set_column_address(dsi, 0x0000, 0x0437);
88 if (ret < 0) {
89 dev_err(dev, "Failed to set column address: %d\n", ret);
90 return ret;
91 }
92
93 ret = mipi_dsi_dcs_set_page_address(dsi, 0x0000, 0x077f);
94 if (ret < 0) {
95 dev_err(dev, "Failed to set page address: %d\n", ret);
96 return ret;
97 }
98
99 ret = mipi_dsi_dcs_set_tear_scanline(dsi, 0x0000);
100 if (ret < 0) {
101 dev_err(dev, "Failed to set tear scanline: %d\n", ret);
102 return ret;
103 }
104
105 ret = mipi_dsi_dcs_set_display_brightness(dsi, 0x00ff);
106 if (ret < 0) {
107 dev_err(dev, "Failed to set display brightness: %d\n", ret);
108 return ret;
109 }
110
111 dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x24);
112 dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_POWER_SAVE, 0x00);
113 dsi_dcs_write_seq(dsi, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS, 0x00);
114 dsi_dcs_write_seq(dsi, 0x84, 0x00);
115
116 ret = mipi_dsi_dcs_set_display_on(dsi);
117 if (ret < 0) {
118 dev_err(dev, "Failed to set display on: %d\n", ret);
119 return ret;
120 }
121 msleep(20);
122
123 ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
124 if (ret < 0) {
125 dev_err(dev, "Failed to exit sleep mode: %d\n", ret);
126 return ret;
127 }
128 msleep(80);
129
130 dsi_generic_write_seq(dsi, 0xb0, 0x04);
131 dsi_dcs_write_seq(dsi, 0x84, 0x00);
132 dsi_generic_write_seq(dsi, 0xc8, 0x11);
133 dsi_generic_write_seq(dsi, 0xb0, 0x03);
134
135 return 0;
136}
137
138static int jdi_fhd_r63452_off(struct jdi_fhd_r63452 *ctx)
139{
140 struct mipi_dsi_device *dsi = ctx->dsi;
141 struct device *dev = &dsi->dev;
142 int ret;
143
144 dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
145
146 dsi_generic_write_seq(dsi, 0xb0, 0x00);
147 dsi_generic_write_seq(dsi, 0xd6, 0x01);
148 dsi_generic_write_seq(dsi, 0xec,
149 0x64, 0xdc, 0xec, 0x3b, 0x52, 0x00, 0x0b, 0x0b,
150 0x13, 0x15, 0x68, 0x0b, 0x95);
151 dsi_generic_write_seq(dsi, 0xb0, 0x03);
152
153 ret = mipi_dsi_dcs_set_display_off(dsi);
154 if (ret < 0) {
155 dev_err(dev, "Failed to set display off: %d\n", ret);
156 return ret;
157 }
158 usleep_range(2000, 3000);
159
160 ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
161 if (ret < 0) {
162 dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
163 return ret;
164 }
165 msleep(120);
166
167 return 0;
168}
169
170static int jdi_fhd_r63452_prepare(struct drm_panel *panel)
171{
172 struct jdi_fhd_r63452 *ctx = to_jdi_fhd_r63452(panel);
173 struct device *dev = &ctx->dsi->dev;
174 int ret;
175
176 if (ctx->prepared)
177 return 0;
178
179 jdi_fhd_r63452_reset(ctx);
180
181 ret = jdi_fhd_r63452_on(ctx);
182 if (ret < 0) {
183 dev_err(dev, "Failed to initialize panel: %d\n", ret);
184 gpiod_set_value_cansleep(ctx->reset_gpio, 1);
185 return ret;
186 }
187
188 ctx->prepared = true;
189 return 0;
190}
191
192static int jdi_fhd_r63452_unprepare(struct drm_panel *panel)
193{
194 struct jdi_fhd_r63452 *ctx = to_jdi_fhd_r63452(panel);
195 struct device *dev = &ctx->dsi->dev;
196 int ret;
197
198 if (!ctx->prepared)
199 return 0;
200
201 ret = jdi_fhd_r63452_off(ctx);
202 if (ret < 0)
203 dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
204
205 gpiod_set_value_cansleep(ctx->reset_gpio, 1);
206
207 ctx->prepared = false;
208 return 0;
209}
210
211static const struct drm_display_mode jdi_fhd_r63452_mode = {
212 .clock = (1080 + 120 + 16 + 40) * (1920 + 4 + 2 + 4) * 60 / 1000,
213 .hdisplay = 1080,
214 .hsync_start = 1080 + 120,
215 .hsync_end = 1080 + 120 + 16,
216 .htotal = 1080 + 120 + 16 + 40,
217 .vdisplay = 1920,
218 .vsync_start = 1920 + 4,
219 .vsync_end = 1920 + 4 + 2,
220 .vtotal = 1920 + 4 + 2 + 4,
221 .width_mm = 64,
222 .height_mm = 114,
223};
224
225static int jdi_fhd_r63452_get_modes(struct drm_panel *panel,
226 struct drm_connector *connector)
227{
228 struct drm_display_mode *mode;
229
230 mode = drm_mode_duplicate(connector->dev, &jdi_fhd_r63452_mode);
231 if (!mode)
232 return -ENOMEM;
233
234 drm_mode_set_name(mode);
235
236 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
237 connector->display_info.width_mm = mode->width_mm;
238 connector->display_info.height_mm = mode->height_mm;
239 drm_mode_probed_add(connector, mode);
240
241 return 1;
242}
243
244static const struct drm_panel_funcs jdi_fhd_r63452_panel_funcs = {
245 .prepare = jdi_fhd_r63452_prepare,
246 .unprepare = jdi_fhd_r63452_unprepare,
247 .get_modes = jdi_fhd_r63452_get_modes,
248};
249
250static int jdi_fhd_r63452_probe(struct mipi_dsi_device *dsi)
251{
252 struct device *dev = &dsi->dev;
253 struct jdi_fhd_r63452 *ctx;
254 int ret;
255
256 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
257 if (!ctx)
258 return -ENOMEM;
259
260 ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
261 if (IS_ERR(ctx->reset_gpio))
262 return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
263 "Failed to get reset-gpios\n");
264
265 ctx->dsi = dsi;
266 mipi_dsi_set_drvdata(dsi, ctx);
267
268 dsi->lanes = 4;
269 dsi->format = MIPI_DSI_FMT_RGB888;
270 dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST |
271 MIPI_DSI_CLOCK_NON_CONTINUOUS;
272
273 drm_panel_init(&ctx->panel, dev, &jdi_fhd_r63452_panel_funcs,
274 DRM_MODE_CONNECTOR_DSI);
275
276 ret = drm_panel_of_backlight(&ctx->panel);
277 if (ret)
278 return dev_err_probe(dev, ret, "Failed to get backlight\n");
279
280 drm_panel_add(&ctx->panel);
281
282 ret = mipi_dsi_attach(dsi);
283 if (ret < 0) {
284 dev_err(dev, "Failed to attach to DSI host: %d\n", ret);
285 return ret;
286 }
287
288 return 0;
289}
290
291static void jdi_fhd_r63452_remove(struct mipi_dsi_device *dsi)
292{
293 struct jdi_fhd_r63452 *ctx = mipi_dsi_get_drvdata(dsi);
294 int ret;
295
296 ret = mipi_dsi_detach(dsi);
297 if (ret < 0)
298 dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
299
300 drm_panel_remove(&ctx->panel);
301}
302
303static const struct of_device_id jdi_fhd_r63452_of_match[] = {
304 { .compatible = "jdi,fhd-r63452" },
305 { /* sentinel */ }
306};
307MODULE_DEVICE_TABLE(of, jdi_fhd_r63452_of_match);
308
309static struct mipi_dsi_driver jdi_fhd_r63452_driver = {
310 .probe = jdi_fhd_r63452_probe,
311 .remove = jdi_fhd_r63452_remove,
312 .driver = {
313 .name = "panel-jdi-fhd-r63452",
314 .of_match_table = jdi_fhd_r63452_of_match,
315 },
316};
317module_mipi_dsi_driver(jdi_fhd_r63452_driver);
318
319MODULE_AUTHOR("Raffaele Tranquillini <raffaele.tranquillini@gmail.com>");
320MODULE_DESCRIPTION("DRM driver for JDI FHD R63452 DSI panel, command mode");
321MODULE_LICENSE("GPL v2");