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Subject[PATCH v4 2/3] drm/panel: support Innolux P097PFG panel
Date
Support Innolux P097PFG 9.7" 1536x2048 TFT LCD panel, it reuse
the Innolux P079ZCA panel driver.

Change-Id: I97923aa3735f707332681691b0231c9421b427d0
Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v2:
- None
Changes in v3:
- None
Changes in v4:
- download panel initial code

drivers/gpu/drm/panel/panel-innolux-p079zca.c | 192 +++++++++++++++++++++++++-
1 file changed, 187 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
index 2075a9d..883b279 100644
--- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c
+++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
@@ -20,6 +20,15 @@

#include <video/mipi_display.h>

+struct panel_init_cmd {
+ int len;
+ const char *data;
+};
+
+#define _INIT_CMD(...) { \
+ .len = sizeof((char[]){__VA_ARGS__}), \
+ .data = (char[]){__VA_ARGS__} }
+
struct panel_desc {
const struct drm_display_mode *modes;
unsigned int bpc;
@@ -30,6 +39,7 @@ struct panel_desc {

unsigned long flags;
enum mipi_dsi_pixel_format format;
+ const struct panel_init_cmd *init_cmds;
unsigned int lanes;
};

@@ -88,9 +98,12 @@ static int innolux_panel_unprepare(struct drm_panel *panel)
return err;
}

+ /* p097pfg: t15 */
+ msleep(100);
+
gpiod_set_value_cansleep(innolux->enable_gpio, 0);

- /* T8: 80ms - 1000ms */
+ /* p079zca: t8*/
msleep(80);

regulator_disable(innolux->avee);
@@ -124,13 +137,43 @@ static int innolux_panel_prepare(struct drm_panel *panel)
if (err < 0)
goto disable_avdd;

- /* T2: 15ms - 1000ms */
- usleep_range(15000, 16000);
+ /* p079zca: t2 (20ms), p097pfg: t4 (15ms) */
+ usleep_range(20000, 21000);

gpiod_set_value_cansleep(innolux->enable_gpio, 1);

- /* T4: 15ms - 1000ms */
- usleep_range(15000, 16000);
+ /* p079zca: t4, p097pfg: t5 */
+ usleep_range(20000, 21000);
+
+ if (innolux->desc->init_cmds) {
+ const struct panel_init_cmd *cmds =
+ innolux->desc->init_cmds;
+ int i;
+
+ for (i = 0; cmds[i].len != 0; i++) {
+ const struct panel_init_cmd *cmd = &cmds[i];
+
+ err = mipi_dsi_generic_write(innolux->link, cmd->data,
+ cmd->len);
+ if (err < 0) {
+ dev_err(panel->dev,
+ "failed to write command %d\n", i);
+ goto poweroff;
+ }
+
+ /*
+ * Included by random guessing, because without this
+ * (or at least, some delay), the panel sometimes
+ * didn't appear to pick up the command sequence.
+ */
+ err = mipi_dsi_dcs_nop(innolux->link);
+ if (err < 0) {
+ dev_err(panel->dev,
+ "failed to send DCS nop: %d\n", err);
+ goto poweroff;
+ }
+ }
+ }

err = mipi_dsi_dcs_exit_sleep_mode(innolux->link);
if (err < 0) {
@@ -213,6 +256,142 @@ static const struct panel_desc innolux_p079zca_panel_desc = {
.lanes = 4,
};

+static const struct drm_display_mode innolux_p097pfg_mode = {
+ .clock = 229000,
+ .hdisplay = 1536,
+ .hsync_start = 1536 + 100,
+ .hsync_end = 1536 + 100 + 24,
+ .htotal = 1536 + 100 + 24 + 100,
+ .vdisplay = 2048,
+ .vsync_start = 2048 + 100,
+ .vsync_end = 2048 + 100 + 2,
+ .vtotal = 2048 + 100 + 2 + 18,
+ .vrefresh = 60,
+};
+
+static const struct panel_init_cmd innolux_p097pfg_init_cmds[] = {
+ /* page 0 */
+ _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x00),
+ _INIT_CMD(0xB1, 0xE8, 0x11),
+ _INIT_CMD(0xB2, 0x25, 0x02),
+ _INIT_CMD(0xB5, 0x08, 0x00),
+ _INIT_CMD(0xBC, 0x0F, 0x00),
+ _INIT_CMD(0xB8, 0x03, 0x06, 0x00, 0x00),
+ _INIT_CMD(0xBD, 0x01, 0x90, 0x14, 0x14),
+ _INIT_CMD(0x6F, 0x01),
+ _INIT_CMD(0xC0, 0x03),
+ _INIT_CMD(0x6F, 0x02),
+ _INIT_CMD(0xC1, 0x0D),
+ _INIT_CMD(0xD9, 0x01, 0x09, 0x70),
+ _INIT_CMD(0xC5, 0x12, 0x21, 0x00),
+ _INIT_CMD(0xBB, 0x93, 0x93),
+
+ /* page 1 */
+ _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x01),
+ _INIT_CMD(0xB3, 0x3C, 0x3C),
+ _INIT_CMD(0xB4, 0x0F, 0x0F),
+ _INIT_CMD(0xB9, 0x45, 0x45),
+ _INIT_CMD(0xBA, 0x14, 0x14),
+ _INIT_CMD(0xCA, 0x02),
+ _INIT_CMD(0xCE, 0x04),
+ _INIT_CMD(0xC3, 0x9B, 0x9B),
+ _INIT_CMD(0xD8, 0xC0, 0x03),
+ _INIT_CMD(0xBC, 0x82, 0x01),
+ _INIT_CMD(0xBD, 0x9E, 0x01),
+
+ /* page 2 */
+ _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x02),
+ _INIT_CMD(0xB0, 0x82),
+ _INIT_CMD(0xD1, 0x00, 0x00, 0x00, 0x3E, 0x00, 0x82, 0x00, 0xA5,
+ 0x00, 0xC1, 0x00, 0xEA, 0x01, 0x0D, 0x01, 0x40),
+ _INIT_CMD(0xD2, 0x01, 0x6A, 0x01, 0xA8, 0x01, 0xDC, 0x02, 0x29,
+ 0x02, 0x67, 0x02, 0x68, 0x02, 0xA8, 0x02, 0xF0),
+ _INIT_CMD(0xD3, 0x03, 0x19, 0x03, 0x49, 0x03, 0x67, 0x03, 0x8C,
+ 0x03, 0xA6, 0x03, 0xC7, 0x03, 0xDE, 0x03, 0xEC),
+ _INIT_CMD(0xD4, 0x03, 0xFF, 0x03, 0xFF),
+ _INIT_CMD(0xE0, 0x00, 0x00, 0x00, 0x86, 0x00, 0xC5, 0x00, 0xE5,
+ 0x00, 0xFF, 0x01, 0x26, 0x01, 0x45, 0x01, 0x75),
+ _INIT_CMD(0xE1, 0x01, 0x9C, 0x01, 0xD5, 0x02, 0x05, 0x02, 0x4D,
+ 0x02, 0x86, 0x02, 0x87, 0x02, 0xC3, 0x03, 0x03),
+ _INIT_CMD(0xE2, 0x03, 0x2A, 0x03, 0x56, 0x03, 0x72, 0x03, 0x94,
+ 0x03, 0xAC, 0x03, 0xCB, 0x03, 0xE0, 0x03, 0xED),
+ _INIT_CMD(0xE3, 0x03, 0xFF, 0x03, 0xFF),
+
+ /* page 3 */
+ _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x03),
+ _INIT_CMD(0xB0, 0x00, 0x00, 0x00, 0x00),
+ _INIT_CMD(0xB1, 0x00, 0x00, 0x00, 0x00),
+ _INIT_CMD(0xB2, 0x00, 0x00, 0x06, 0x04, 0x01, 0x40, 0x85),
+ _INIT_CMD(0xB3, 0x10, 0x07, 0xFC, 0x04, 0x01, 0x40, 0x80),
+ _INIT_CMD(0xB6, 0xF0, 0x08, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01,
+ 0x40, 0x80),
+ _INIT_CMD(0xBA, 0xC5, 0x07, 0x00, 0x04, 0x11, 0x25, 0x8C),
+ _INIT_CMD(0xBB, 0xC5, 0x07, 0x00, 0x03, 0x11, 0x25, 0x8C),
+ _INIT_CMD(0xC0, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x80, 0x80),
+ _INIT_CMD(0xC1, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x80, 0x80),
+ _INIT_CMD(0xC4, 0x00, 0x00),
+ _INIT_CMD(0xEF, 0x41),
+
+ /* page 4 */
+ _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x04),
+ _INIT_CMD(0xEC, 0x4C),
+
+ /* page 5 */
+ _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x05),
+ _INIT_CMD(0xB0, 0x13, 0x03, 0x03, 0x01),
+ _INIT_CMD(0xB1, 0x30, 0x00),
+ _INIT_CMD(0xB2, 0x02, 0x02, 0x00),
+ _INIT_CMD(0xB3, 0x82, 0x23, 0x82, 0x9D),
+ _INIT_CMD(0xB4, 0xC5, 0x75, 0x24, 0x57),
+ _INIT_CMD(0xB5, 0x00, 0xD4, 0x72, 0x11, 0x11, 0xAB, 0x0A),
+ _INIT_CMD(0xB6, 0x00, 0x00, 0xD5, 0x72, 0x24, 0x56),
+ _INIT_CMD(0xB7, 0x5C, 0xDC, 0x5C, 0x5C),
+ _INIT_CMD(0xB9, 0x0C, 0x00, 0x00, 0x01, 0x00),
+ _INIT_CMD(0xC0, 0x75, 0x11, 0x11, 0x54, 0x05),
+ _INIT_CMD(0xC6, 0x00, 0x00, 0x00, 0x00),
+ _INIT_CMD(0xD0, 0x00, 0x48, 0x08, 0x00, 0x00),
+ _INIT_CMD(0xD1, 0x00, 0x48, 0x09, 0x00, 0x00),
+
+ /* page 6 */
+ _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x06),
+ _INIT_CMD(0xB0, 0x02, 0x32, 0x32, 0x08, 0x2F),
+ _INIT_CMD(0xB1, 0x2E, 0x15, 0x14, 0x13, 0x12),
+ _INIT_CMD(0xB2, 0x11, 0x10, 0x00, 0x3D, 0x3D),
+ _INIT_CMD(0xB3, 0x3D, 0x3D, 0x3D, 0x3D, 0x3D),
+ _INIT_CMD(0xB4, 0x3D, 0x32),
+ _INIT_CMD(0xB5, 0x03, 0x32, 0x32, 0x09, 0x2F),
+ _INIT_CMD(0xB6, 0x2E, 0x1B, 0x1A, 0x19, 0x18),
+ _INIT_CMD(0xB7, 0x17, 0x16, 0x01, 0x3D, 0x3D),
+ _INIT_CMD(0xB8, 0x3D, 0x3D, 0x3D, 0x3D, 0x3D),
+ _INIT_CMD(0xB9, 0x3D, 0x32),
+ _INIT_CMD(0xC0, 0x01, 0x32, 0x32, 0x09, 0x2F),
+ _INIT_CMD(0xC1, 0x2E, 0x1A, 0x1B, 0x16, 0x17),
+ _INIT_CMD(0xC2, 0x18, 0x19, 0x03, 0x3D, 0x3D),
+ _INIT_CMD(0xC3, 0x3D, 0x3D, 0x3D, 0x3D, 0x3D),
+ _INIT_CMD(0xC4, 0x3D, 0x32),
+ _INIT_CMD(0xC5, 0x00, 0x32, 0x32, 0x08, 0x2F),
+ _INIT_CMD(0xC6, 0x2E, 0x14, 0x15, 0x10, 0x11),
+ _INIT_CMD(0xC7, 0x12, 0x13, 0x02, 0x3D, 0x3D),
+ _INIT_CMD(0xC8, 0x3D, 0x3D, 0x3D, 0x3D, 0x3D),
+ _INIT_CMD(0xC9, 0x3D, 0x32),
+
+ {},
+};
+
+static const struct panel_desc innolux_p097pfg_panel_desc = {
+ .modes = &innolux_p097pfg_mode,
+ .bpc = 8,
+ .size = {
+ .width = 147,
+ .height = 196,
+ },
+ .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
+ MIPI_DSI_MODE_LPM,
+ .format = MIPI_DSI_FMT_RGB888,
+ .init_cmds = innolux_p097pfg_init_cmds,
+ .lanes = 8,
+};
+
static int innolux_panel_get_modes(struct drm_panel *panel)
{
struct drm_display_mode *mode;
@@ -251,6 +430,9 @@ static const struct of_device_id innolux_of_match[] = {
{ .compatible = "innolux,p079zca",
.data = &innolux_p079zca_panel_desc
},
+ { .compatible = "innolux,p097pfg",
+ .data = &innolux_p097pfg_panel_desc
+ },
{ }
};
MODULE_DEVICE_TABLE(of, innolux_of_match);
--
2.7.4
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