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Commit de04a462 authored by Lin Huang's avatar Lin Huang Committed by Thierry Reding
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drm/panel: p079zca: Support Innolux P097PFG panel 



Support Innolux P097PFG 9.7" 1536x2048 TFT LCD panel, it reuse
the Innolux P079ZCA panel driver.

Changes in v2:
- None
Changes in v3:
- None
Changes in v4:
- None
Changes in v5:
- Document source of init-commands
- 4 lanes per DSI interface

Signed-off-by: default avatarLin Huang <hl@rock-chips.com>
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180702102721.3546-5-heiko@sntech.de
parent 731edd4c

drivers/gpu/drm/panel/panel-innolux-p079zca.c

+196 −4
Original line number Diff line number Diff line
@@ -20,6 +20,15 @@ 


#include <video/mipi_display.h>



struct panel_init_cmd {

	size_t len;

	const char *data;

};



#define _INIT_CMD(...) { \

	.len = sizeof((char[]){__VA_ARGS__}), \

	.data = (char[]){__VA_ARGS__} }



struct panel_desc {

	const struct drm_display_mode *mode;

	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;

	const char * const *supply_names;

	unsigned int num_supplies;
@@ -124,13 +134,43 @@ static int innolux_panel_prepare(struct drm_panel *panel) 
	if (err < 0)

		return err;



	/* 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;

		unsigned 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 %u\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) {
@@ -216,6 +256,155 @@ static const struct panel_desc innolux_p079zca_panel_desc = { 
	.power_down_delay = 80, /* T8: 80ms - 1000ms */

};



static const char * const innolux_p097pfg_supply_names[] = {

	"avdd",

	"avee",

};



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,

};



/*

 * Display manufacturer failed to provide init sequencing according to

 * https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/892065/

 * so the init sequence stems from a register dump of a working panel.

 */

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 = {

	.mode = &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 = 4,

	.supply_names = innolux_p097pfg_supply_names,

	.num_supplies = ARRAY_SIZE(innolux_p097pfg_supply_names),

	.sleep_mode_delay = 100, /* T15 */

};



static int innolux_panel_get_modes(struct drm_panel *panel)

{

	struct innolux_panel *innolux = to_innolux_panel(panel);
@@ -254,6 +443,9 @@ 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);