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gjdwebserver-overlay/sys-kernel/pinephone-pro-sources/files/2423aac2d6f5db55da99e11fd799ee66fe6f54c6.patch
Gerben Jan Dijkman 185ddcbfd1 Added PinePhone Pro Sources
2022-01-14 17:01:30 +01:00

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From 2423aac2d6f5db55da99e11fd799ee66fe6f54c6 Mon Sep 17 00:00:00 2001
From: Samuel Holland <samuel@sholland.org>
Date: Mon, 9 Aug 2021 19:30:18 -0500
Subject: [PATCH] Input: kb151 - Add support for the FN layer
Signed-off-by: Samuel Holland <samuel@sholland.org>
---
.../dts/allwinner/sun50i-a64-pinephone.dtsi | 34 +++++++++++++++++--
drivers/input/keyboard/kb151.c | 33 ++++++++++--------
2 files changed, 51 insertions(+), 16 deletions(-)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
index 0bdc6eceec6099..68f5730cf164c7 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
@@ -557,7 +557,7 @@
reg = <0x15>;
interrupt-parent = <&r_pio>;
interrupts = <0 12 IRQ_TYPE_EDGE_FALLING>; /* PL12 */
- keypad,num-rows = <6>;
+ keypad,num-rows = <12>;
keypad,num-columns = <12>;
linux,keymap = <MATRIX_KEY(0, 0, KEY_ESC)
MATRIX_KEY(0, 1, KEY_1)
@@ -612,7 +612,37 @@
MATRIX_KEY(4, 9, KEY_LEFTBRACE)
MATRIX_KEY(5, 2, KEY_FN)
MATRIX_KEY(5, 3, KEY_LEFTALT)
- MATRIX_KEY(5, 5, KEY_RIGHTALT)>;
+ MATRIX_KEY(5, 5, KEY_RIGHTALT)
+
+ /* FN layer */
+ MATRIX_KEY(6, 1, KEY_BACKSLASH)
+ MATRIX_KEY(6, 2, KEY_BACKSLASH)
+ MATRIX_KEY(6, 3, KEY_DOLLAR)
+ MATRIX_KEY(6, 4, KEY_EURO)
+ MATRIX_KEY(6, 5, KEY_GRAVE)
+ MATRIX_KEY(6, 6, KEY_GRAVE)
+ MATRIX_KEY(6, 7, KEY_MINUS)
+ MATRIX_KEY(6, 8, KEY_EQUAL)
+ MATRIX_KEY(6, 9, KEY_MINUS)
+ MATRIX_KEY(6, 10, KEY_EQUAL)
+ MATRIX_KEY(6, 11, KEY_DELETE)
+
+ MATRIX_KEY(8, 0, KEY_SYSRQ)
+ MATRIX_KEY(8, 10, KEY_INSERT)
+
+ MATRIX_KEY(9, 0, KEY_LEFTSHIFT)
+ MATRIX_KEY(9, 8, KEY_HOME)
+ MATRIX_KEY(9, 9, KEY_UP)
+ MATRIX_KEY(9, 10, KEY_END)
+
+ MATRIX_KEY(10, 1, KEY_LEFTCTRL)
+ MATRIX_KEY(10, 6, KEY_LEFT)
+ MATRIX_KEY(10, 8, KEY_RIGHT)
+ MATRIX_KEY(10, 9, KEY_DOWN)
+
+ MATRIX_KEY(11, 2, KEY_FN)
+ MATRIX_KEY(11, 3, KEY_LEFTALT)
+ MATRIX_KEY(11, 5, KEY_RIGHTALT)>;
wakeup-source;
};
};
diff --git a/drivers/input/keyboard/kb151.c b/drivers/input/keyboard/kb151.c
index 595275d4f9d96f..bb6250efe93419 100644
--- a/drivers/input/keyboard/kb151.c
+++ b/drivers/input/keyboard/kb151.c
@@ -29,6 +29,7 @@ struct kb151 {
u8 row_shift;
u8 rows;
u8 cols;
+ u8 fn_state;
u8 buf_swap;
u8 buf[];
};
@@ -55,7 +56,7 @@ static void kb151_update(struct i2c_client *client)
return;
}
- dev_info(dev, "%02x | %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
+ dev_dbg(dev, "%02x | %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
new_buf[0], new_buf[1], new_buf[2], new_buf[3], new_buf[4], new_buf[5],
new_buf[6], new_buf[7], new_buf[8], new_buf[9], new_buf[10], new_buf[11],
new_buf[12]);
@@ -65,8 +66,6 @@ static void kb151_update(struct i2c_client *client)
crc, new_buf[0]);
return;
}
- dev_info(dev, "Good scan data (%02x == %02x)\n",
- crc, new_buf[0]);
for (col = 0; col < kb151->cols; ++col) {
u8 old = *(++old_buf);
@@ -74,14 +73,20 @@ static void kb151_update(struct i2c_client *client)
u8 changed = old ^ new;
for (row = 0; row < kb151->rows; ++row) {
- int code = MATRIX_SCAN_CODE(row, col, kb151->row_shift);
u8 pressed = new & BIT(row);
+ u8 map_row = row + (kb151->fn_state ? kb151->rows : 0);
+ int code = MATRIX_SCAN_CODE(map_row, col, kb151->row_shift);
if (!(changed & BIT(row)))
continue;
dev_dbg(&client->dev, "row %u col %u %sed\n",
- row, col, pressed ? "press" : "releas");
+ map_row, col, pressed ? "press" : "releas");
+ if (keymap[code] == KEY_FN) {
+ dev_dbg(&client->dev, "FN is now %s\n",
+ pressed ? "pressed" : "released");
+ kb151->fn_state = pressed;
+ } else
input_report_key(kb151->input, keymap[code], pressed);
}
}
@@ -151,7 +156,7 @@ static int kb151_probe(struct i2c_client *client)
struct device *dev = &client->dev;
u8 info[KB151_MATRIX_SIZE + 1];
unsigned int kb_rows, kb_cols;
- unsigned int rows, cols;
+ unsigned int map_rows, map_cols;
struct kb151 *kb151;
int ret;
@@ -168,20 +173,20 @@ static int kb151_probe(struct i2c_client *client)
info[KB151_FW_REVISION] & 0xf,
info[KB151_FW_FEATURES]);
- ret = matrix_keypad_parse_properties(dev, &rows, &cols);
+ ret = matrix_keypad_parse_properties(dev, &map_rows, &map_cols);
if (ret)
return ret;
kb_rows = info[KB151_MATRIX_SIZE] & 0xf;
kb_cols = info[KB151_MATRIX_SIZE] >> 4;
- if (rows > kb_rows || cols != kb_cols) {
+ if (map_rows != 2 * kb_rows || map_cols != kb_cols) {
dev_err(dev, "Keyboard matrix is %ux%u, but key map is %ux%u\n",
- kb_rows, kb_cols, rows, cols);
+ kb_rows, kb_cols, map_rows, map_cols);
return -EINVAL;
}
/* Allocate two buffers, and include space for the CRC. */
- kb151 = devm_kzalloc(dev, struct_size(kb151, buf, 2 * (cols + 1)), GFP_KERNEL);
+ kb151 = devm_kzalloc(dev, struct_size(kb151, buf, 2 * (kb_cols + 1)), GFP_KERNEL);
if (!kb151)
return -ENOMEM;
@@ -189,9 +194,9 @@ static int kb151_probe(struct i2c_client *client)
crc8_populate_msb(kb151->crc_table, KB151_CRC8_POLYNOMIAL);
- kb151->row_shift = get_count_order(cols);
- kb151->rows = rows;
- kb151->cols = cols;
+ kb151->row_shift = get_count_order(kb_cols);
+ kb151->rows = kb_rows;
+ kb151->cols = kb_cols;
kb151->input = devm_input_allocate_device(dev);
if (!kb151->input)
@@ -207,7 +212,7 @@ static int kb151_probe(struct i2c_client *client)
__set_bit(EV_REP, kb151->input->evbit);
- ret = matrix_keypad_build_keymap(NULL, NULL, rows, cols,
+ ret = matrix_keypad_build_keymap(NULL, NULL, map_rows, map_cols,
NULL, kb151->input);
if (ret)
return dev_err_probe(dev, ret, "Failed to build keymap\n");
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