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Message-ID: <a5524d8c-5847-46f4-b472-bc3b06c9c2b4@gmail.com>
Date: Sun, 24 Nov 2024 14:00:49 +0100
From: Philippe Simons <simons.philippe@...il.com>
To: Hironori KIKUCHI <kikuchan98@...il.com>, linux-kernel@...r.kernel.org
Cc: Neil Armstrong <neil.armstrong@...aro.org>,
Jessica Zhang <quic_jesszhan@...cinc.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Paul Cercueil <paul@...pouillou.net>,
Christophe Branchereau <cbranchereau@...il.com>,
Ryan Walklin <ryan@...ttoast.com>, dri-devel@...ts.freedesktop.org,
devicetree@...r.kernel.org
Subject: Re: [PATCH 6/6] drm: panel: nv3052c: Add a panel for RG CubeXX
Tested on RG CubeXX
Tested-by: Philippe Simons <simons.philippe@...il.com>
On 24/11/2024 09:02, Hironori KIKUCHI wrote:
> This is a display panel used in the Anbernic RG CubeXX, a handheld
> gaming device from Anbernic. It is 3.95 inches in size (diagonally)
> with a resolution of 720x720.
>
> Signed-off-by: Hironori KIKUCHI <kikuchan98@...il.com>
> ---
> .../gpu/drm/panel/panel-newvision-nv3052c.c | 198 ++++++++++++++++++
> 1 file changed, 198 insertions(+)
>
> diff --git a/drivers/gpu/drm/panel/panel-newvision-nv3052c.c b/drivers/gpu/drm/panel/panel-newvision-nv3052c.c
> index 5a7cf6cb8be..bd5be0b5e93 100644
> --- a/drivers/gpu/drm/panel/panel-newvision-nv3052c.c
> +++ b/drivers/gpu/drm/panel/panel-newvision-nv3052c.c
> @@ -963,6 +963,176 @@ static const struct nv3052c_reg ylm_lbv0400001x_v1_panel_regs[] = {
> { 0x36, 0x0a }, // bgr = 1, ss = 1, gs = 0
> };
>
> +static const struct nv3052c_reg ylm_lbn0395004h_v1_panel_regs[] = {
> + // EXTC Command set enable, select page 1
> + { 0xff, 0x30 }, { 0xff, 0x52 }, { 0xff, 0x01 },
> + // Mostly unknown registers
> + { 0xe3, 0x00 },
> + { 0x0a, 0x01 }, // WRMADC_EN
> + { 0x23, 0x00 }, // RGB interface control: DE+SYNC MODE PCLK-N
> + { 0x25, 0x14 },
> + { 0x29, 0x02 },
> + { 0x2a, 0xcf },
> + { 0x38, 0x9c }, // VCOM_ADJ1
> + { 0x39, 0xa7 }, // VCOM_ADJ2
> + { 0x3a, 0x5f }, // VCOM_ADJ3
> + { 0x91, 0x77 }, // EXTPW_CTRL2
> + { 0x92, 0x77 }, // EXTPW_CTRL3
> + { 0x99, 0x52 }, // PUMP_CTRL2
> + { 0x9b, 0x5b }, // PUMP_CTRL4
> + { 0xa0, 0x55 },
> + { 0xa1, 0x50 },
> + { 0xa4, 0x9c },
> + { 0xa7, 0x02 },
> + { 0xa8, 0x01 },
> + { 0xa9, 0x01 },
> + { 0xaa, 0xfc },
> + { 0xab, 0x28 },
> + { 0xac, 0x06 },
> + { 0xad, 0x06 },
> + { 0xae, 0x06 },
> + { 0xaf, 0x03 },
> + { 0xb0, 0x08 },
> + { 0xb1, 0x26 },
> + { 0xb2, 0x28 },
> + { 0xb3, 0x28 },
> + { 0xb4, 0x03 },
> + { 0xb5, 0x08 },
> + { 0xb6, 0x26 },
> + { 0xb7, 0x08 },
> + { 0xb8, 0x26 },
> + // EXTC Command set enable, select page 2
> + { 0xff, 0x30 }, { 0xff, 0x52 }, { 0xff, 0x02 },
> + // Set gray scale voltage to adjust gamma
> + { 0xb0, 0x02 }, // PGAMVR0
> + { 0xb1, 0x11 }, // PGAMVR1
> + { 0xb2, 0x12 }, // PGAMVR2
> + { 0xb3, 0x2e }, // PGAMVR3
> + { 0xb4, 0x30 }, // PGAMVR4
> + { 0xb5, 0x37 }, // PGAMVR5
> + { 0xb6, 0x1c }, // PGAMPR0
> + { 0xb7, 0x39 }, // PGAMPR1
> + { 0xb8, 0x08 }, // PGAMPK0
> + { 0xb9, 0x00 }, // PGAMPK1
> + { 0xba, 0x12 }, // PGAMPK2
> + { 0xbb, 0x12 }, // PGAMPK3
> + { 0xbc, 0x14 }, // PGAMPK4
> + { 0xbd, 0x15 }, // PGAMPK5
> + { 0xbe, 0x16 }, // PGAMPK6
> + { 0xbf, 0x0d }, // PGAMPK7
> + { 0xc0, 0x15 }, // PGAMPK8
> + { 0xc1, 0x04 }, // PGAMPK9
> + { 0xd0, 0x05 }, // NGAMVR0
> + { 0xd1, 0x07 }, // NGAMVR0
> + { 0xd2, 0x08 }, // NGAMVR1
> + { 0xd3, 0x30 }, // NGAMVR2
> + { 0xd4, 0x2e }, // NGAMVR3
> + { 0xd5, 0x32 }, // NGAMVR4
> + { 0xd6, 0x1c }, // NGAMPR0
> + { 0xd7, 0x3b }, // NGAMPR1
> + { 0xd8, 0x10 }, // NGAMPK0
> + { 0xd9, 0x06 }, // NGAMPK1
> + { 0xda, 0x12 }, // NGAMPK2
> + { 0xdb, 0x12 }, // NGAMPK3
> + { 0xdc, 0x14 }, // NGAMPK4
> + { 0xdd, 0x15 }, // NGAMPK5
> + { 0xde, 0x18 }, // NGAMPK6
> + { 0xdf, 0x0f }, // NGAMPK7
> + { 0xe0, 0x17 }, // NGAMPK8
> + { 0xe1, 0x0a }, // NGAMPK9
> + // EXTC Command set enable, select page 3
> + { 0xff, 0x30 }, { 0xff, 0x52 }, { 0xff, 0x03 },
> + // Set various timing settings
> + { 0x08, 0x09 }, // GIP_VST_9
> + { 0x09, 0x0a }, // GIP_VST_10
> + { 0x0a, 0x0b }, // GIP_VST_11
> + { 0x0b, 0x0c }, // GIP_VST_12
> + { 0x28, 0x22 }, // GIP_VEND_9
> + { 0x2a, 0xec }, // GIP_VEND_11
> + { 0x2b, 0xec }, // GIP_VEND_12
> + { 0x30, 0x00 }, // GIP_CLK_1
> + { 0x31, 0x00 }, // GIP_CLK_2
> + { 0x32, 0x00 }, // GIP_CLK_3
> + { 0x33, 0x00 }, // GIP_CLK_4
> + { 0x34, 0x61 }, // GIP_CLK_5
> + { 0x35, 0xd4 }, // GIP_CLK_6
> + { 0x36, 0x24 }, // GIP_CLK_7
> + { 0x37, 0x03 }, // GIP_CLK_8
> + { 0x40, 0x0d }, // GIP_CLKA_1
> + { 0x41, 0x0e }, // GIP_CLKA_2
> + { 0x42, 0x0f }, // GIP_CLKA_3
> + { 0x43, 0x10 }, // GIP_CLKA_4
> + { 0x44, 0x22 }, // GIP_CLKA_5
> + { 0x45, 0xe1 }, // GIP_CLKA_6
> + { 0x46, 0xe2 }, // GIP_CLKA_7
> + { 0x47, 0x22 }, // GIP_CLKA_8
> + { 0x48, 0xe3 }, // GIP_CLKA_9
> + { 0x49, 0xe4 }, // GIP_CLKA_10
> + { 0x50, 0x11 }, // GIP_CLKB_1
> + { 0x51, 0x12 }, // GIP_CLKB_2
> + { 0x52, 0x13 }, // GIP_CLKB_3
> + { 0x53, 0x14 }, // GIP_CLKB_4
> + { 0x54, 0x22 }, // GIP_CLKB_5
> + { 0x55, 0xe5 }, // GIP_CLKB_6
> + { 0x56, 0xe6 }, // GIP_CLKB_7
> + { 0x57, 0x22 }, // GIP_CLKB_8
> + { 0x58, 0xe7 }, // GIP_CLKB_9
> + { 0x59, 0xe8 }, // GIP_CLKB_10
> + // Map internal GOA signals to GOA output pad
> + { 0x80, 0x05 }, // PANELU2D1
> + { 0x81, 0x1e }, // PANELU2D2
> + { 0x82, 0x02 }, // PANELU2D3
> + { 0x83, 0x04 }, // PANELU2D4
> + { 0x84, 0x1e }, // PANELU2D5
> + { 0x85, 0x1e }, // PANELU2D6
> + { 0x86, 0x1f }, // PANELU2D7
> + { 0x87, 0x1f }, // PANELU2D8
> + { 0x88, 0x0e }, // PANELU2D9
> + { 0x89, 0x10 }, // PANELU2D10
> + { 0x8a, 0x0a }, // PANELU2D11
> + { 0x8b, 0x0c }, // PANELU2D12
> + { 0x96, 0x05 }, // PANELU2D23
> + { 0x97, 0x1e }, // PANELU2D24
> + { 0x98, 0x01 }, // PANELU2D25
> + { 0x99, 0x03 }, // PANELU2D26
> + { 0x9a, 0x1e }, // PANELU2D27
> + { 0x9b, 0x1e }, // PANELU2D28
> + { 0x9c, 0x1f }, // PANELU2D29
> + { 0x9d, 0x1f }, // PANELU2D30
> + { 0x9e, 0x0d }, // PANELU2D31
> + { 0x9f, 0x0f }, // PANELU2D32
> + { 0xa0, 0x09 }, // PANELU2D33
> + { 0xa1, 0x0b }, // PANELU2D34
> + { 0xb0, 0x05 }, // PANELD2U1
> + { 0xb1, 0x1f }, // PANELD2U2
> + { 0xb2, 0x03 }, // PANELD2U3
> + { 0xb3, 0x01 }, // PANELD2U4
> + { 0xb4, 0x1e }, // PANELD2U5
> + { 0xb5, 0x1e }, // PANELD2U6
> + { 0xb6, 0x1f }, // PANELD2U7
> + { 0xb7, 0x1e }, // PANELD2U8
> + { 0xb8, 0x0b }, // PANELD2U9
> + { 0xb9, 0x09 }, // PANELD2U10
> + { 0xba, 0x0f }, // PANELD2U11
> + { 0xbb, 0x0d }, // PANELD2U12
> + { 0xc6, 0x05 }, // PANELD2U23
> + { 0xc7, 0x1f }, // PANELD2U24
> + { 0xc8, 0x04 }, // PANELD2U25
> + { 0xc9, 0x02 }, // PANELD2U26
> + { 0xca, 0x1e }, // PANELD2U27
> + { 0xcb, 0x1e }, // PANELD2U28
> + { 0xcc, 0x1f }, // PANELD2U29
> + { 0xcd, 0x1e }, // PANELD2U30
> + { 0xce, 0x0c }, // PANELD2U31
> + { 0xcf, 0x0a }, // PANELD2U32
> + { 0xd0, 0x10 }, // PANELD2U33
> + { 0xd1, 0x0e }, // PANELD2U34
> + // EXTC Command set enable, select page 0
> + { 0xff, 0x30 }, { 0xff, 0x52 }, { 0xff, 0x00 },
> + // Display Access Control
> + { 0x36, 0x0a }, // bgr = 1, ss = 1, gs = 0
> +};
> +
> static inline struct nv3052c *to_nv3052c(struct drm_panel *panel)
> {
> return container_of(panel, struct nv3052c, panel);
> @@ -1245,6 +1415,21 @@ static const struct drm_display_mode ylm_lbv0400001x_v1_mode[] = {
> },
> };
>
> +static const struct drm_display_mode ylm_lbn0395004h_v1_mode[] = {
> + {
> + .clock = 36000,
> + .hdisplay = 720,
> + .hsync_start = 720 + 28,
> + .hsync_end = 720 + 28 + 4,
> + .htotal = 720 + 28 + 4 + 42,
> + .vdisplay = 720,
> + .vsync_start = 720 + 16,
> + .vsync_end = 720 + 16 + 4,
> + .vtotal = 720 + 16 + 4 + 16,
> + .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
> + },
> +};
> +
> static const struct nv3052c_panel_info ltk035c5444t_panel_info = {
> .display_modes = ltk035c5444t_modes,
> .num_modes = ARRAY_SIZE(ltk035c5444t_modes),
> @@ -1300,12 +1485,24 @@ static const struct nv3052c_panel_info ylm_lbv0400001x_v1_panel_info = {
> .panel_regs_len = ARRAY_SIZE(ylm_lbv0400001x_v1_panel_regs),
> };
>
> +static const struct nv3052c_panel_info ylm_lbn0395004h_v1_panel_info = {
> + .display_modes = ylm_lbn0395004h_v1_mode,
> + .num_modes = ARRAY_SIZE(ylm_lbn0395004h_v1_mode),
> + .width_mm = 71,
> + .height_mm = 71,
> + .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
> + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE,
> + .panel_regs = ylm_lbn0395004h_v1_panel_regs,
> + .panel_regs_len = ARRAY_SIZE(ylm_lbn0395004h_v1_panel_regs),
> +};
> +
> static const struct spi_device_id nv3052c_ids[] = {
> { "ltk035c5444t", },
> { "fs035vg158", },
> { "rg35xx-plus-panel", },
> { "rg35xx-plus-rev6-panel", },
> { "rg40xx-panel", },
> + { "rgcubexx-panel", },
> { /* sentinel */ }
> };
> MODULE_DEVICE_TABLE(spi, nv3052c_ids);
> @@ -1316,6 +1513,7 @@ static const struct of_device_id nv3052c_of_match[] = {
> { .compatible = "anbernic,rg35xx-plus-panel", .data = &wl_355608_a8_panel_info },
> { .compatible = "anbernic,rg35xx-plus-rev6-panel", .data = &ylm_lbv0345001h_v2_panel_info },
> { .compatible = "anbernic,rg40xx-panel", .data = &ylm_lbv0400001x_v1_panel_info },
> + { .compatible = "anbernic,rgcubexx-panel", .data = &ylm_lbn0395004h_v1_panel_info },
> { /* sentinel */ }
> };
> MODULE_DEVICE_TABLE(of, nv3052c_of_match);
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