[PATCH v0 12/14] fbdev/viafb: Make I2C terminology more inclusive

From: Easwar Hariharan
Date: Fri Mar 29 2024 - 13:05:21 EST

I2C v7, SMBus 3.2, and I3C specifications have replaced "master/slave"
with more appropriate terms. Inspired by and following on to Wolfram's
series to fix drivers/i2c/[1], fix the terminology for users of
I2C_ALGOBIT bitbanging interface, now that the approved verbiage exists
in the specification.

Compile tested, no functionality changes intended

[1]: https://lore.kernel.org/all/20240322132619.6389-1-wsa+renesas@xxxxxxxxxxxxxxxxxxxx/

Signed-off-by: Easwar Hariharan <eahariha@xxxxxxxxxxxxxxxxxxx>
---
drivers/video/fbdev/via/chip.h | 8 ++++----
drivers/video/fbdev/via/dvi.c | 24 ++++++++++++------------
drivers/video/fbdev/via/lcd.c | 6 +++---
drivers/video/fbdev/via/via_aux.h | 2 +-
drivers/video/fbdev/via/via_i2c.c | 12 ++++++------
drivers/video/fbdev/via/vt1636.c | 6 +++---
6 files changed, 29 insertions(+), 29 deletions(-)

diff --git a/drivers/video/fbdev/via/chip.h b/drivers/video/fbdev/via/chip.h
index f0a19cbcb9e5..1ea6d4ce79e7 100644
--- a/drivers/video/fbdev/via/chip.h
+++ b/drivers/video/fbdev/via/chip.h
@@ -69,7 +69,7 @@
#define VT1632_TMDS 0x01
#define INTEGRATED_TMDS 0x42

-/* Definition TMDS Trasmitter I2C Slave Address */
+/* Definition TMDS Trasmitter I2C Client Address */
#define VT1632_TMDS_I2C_ADDR 0x10

/**************************************************/
@@ -88,21 +88,21 @@
#define TX_DATA_DDR_MODE 0x04
#define TX_DATA_SDR_MODE 0x08

-/* Definition LVDS Trasmitter I2C Slave Address */
+/* Definition LVDS Trasmitter I2C Client Address */
#define VT1631_LVDS_I2C_ADDR 0x70
#define VT3271_LVDS_I2C_ADDR 0x80
#define VT1636_LVDS_I2C_ADDR 0x80

struct tmds_chip_information {
int tmds_chip_name;
- int tmds_chip_slave_addr;
+ int tmds_chip_client_addr;
int output_interface;
int i2c_port;
};

struct lvds_chip_information {
int lvds_chip_name;
- int lvds_chip_slave_addr;
+ int lvds_chip_client_addr;
int output_interface;
int i2c_port;
};
diff --git a/drivers/video/fbdev/via/dvi.c b/drivers/video/fbdev/via/dvi.c
index 13147e3066eb..db7db26416c3 100644
--- a/drivers/video/fbdev/via/dvi.c
+++ b/drivers/video/fbdev/via/dvi.c
@@ -70,7 +70,7 @@ bool viafb_tmds_trasmitter_identify(void)
/* Check for VT1632: */
viaparinfo->chip_info->tmds_chip_info.tmds_chip_name = VT1632_TMDS;
viaparinfo->chip_info->
- tmds_chip_info.tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR;
+ tmds_chip_info.tmds_chip_client_addr = VT1632_TMDS_I2C_ADDR;
viaparinfo->chip_info->tmds_chip_info.i2c_port = VIA_PORT_31;
if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID)) {
/*
@@ -128,14 +128,14 @@ bool viafb_tmds_trasmitter_identify(void)
viaparinfo->chip_info->
tmds_chip_info.tmds_chip_name = NON_TMDS_TRANSMITTER;
viaparinfo->chip_info->tmds_chip_info.
- tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR;
+ tmds_chip_client_addr = VT1632_TMDS_I2C_ADDR;
return false;
}

static void tmds_register_write(int index, u8 data)
{
viafb_i2c_writebyte(viaparinfo->chip_info->tmds_chip_info.i2c_port,
- viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr,
+ viaparinfo->chip_info->tmds_chip_info.tmds_chip_client_addr,
index, data);
}

@@ -144,7 +144,7 @@ static int tmds_register_read(int index)
u8 data;

viafb_i2c_readbyte(viaparinfo->chip_info->tmds_chip_info.i2c_port,
- (u8) viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr,
+ (u8) viaparinfo->chip_info->tmds_chip_info.tmds_chip_client_addr,
(u8) index, &data);
return data;
}
@@ -152,7 +152,7 @@ static int tmds_register_read(int index)
static int tmds_register_read_bytes(int index, u8 *buff, int buff_len)
{
viafb_i2c_readbytes(viaparinfo->chip_info->tmds_chip_info.i2c_port,
- (u8) viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr,
+ (u8) viaparinfo->chip_info->tmds_chip_info.tmds_chip_client_addr,
(u8) index, buff, buff_len);
return 0;
}
@@ -256,14 +256,14 @@ static int viafb_dvi_query_EDID(void)

DEBUG_MSG(KERN_INFO "viafb_dvi_query_EDID!!\n");

- restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr;
- viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA0;
+ restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_client_addr;
+ viaparinfo->chip_info->tmds_chip_info.tmds_chip_client_addr = 0xA0;

data0 = (u8) tmds_register_read(0x00);
data1 = (u8) tmds_register_read(0x01);
if ((data0 == 0) && (data1 == 0xFF)) {
viaparinfo->chip_info->
- tmds_chip_info.tmds_chip_slave_addr = restore;
+ tmds_chip_info.tmds_chip_client_addr = restore;
return EDID_VERSION_1; /* Found EDID1 Table */
}

@@ -280,8 +280,8 @@ static void dvi_get_panel_size_from_DDCv1(

DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv1 \n");

- restore = tmds_chip->tmds_chip_slave_addr;
- tmds_chip->tmds_chip_slave_addr = 0xA0;
+ restore = tmds_chip->tmds_chip_client_addr;
+ tmds_chip->tmds_chip_client_addr = 0xA0;
for (i = 0x25; i < 0x6D; i++) {
switch (i) {
case 0x36:
@@ -306,7 +306,7 @@ static void dvi_get_panel_size_from_DDCv1(

DEBUG_MSG(KERN_INFO "DVI max pixelclock = %d\n",
tmds_setting->max_pixel_clock);
- tmds_chip->tmds_chip_slave_addr = restore;
+ tmds_chip->tmds_chip_client_addr = restore;
}

/* If Disable DVI, turn off pad */
@@ -427,7 +427,7 @@ void viafb_dvi_enable(void)
viafb_i2c_writebyte(viaparinfo->chip_info->
tmds_chip_info.i2c_port,
viaparinfo->chip_info->
- tmds_chip_info.tmds_chip_slave_addr,
+ tmds_chip_info.tmds_chip_client_addr,
0x08, data);
}
}
diff --git a/drivers/video/fbdev/via/lcd.c b/drivers/video/fbdev/via/lcd.c
index beec5c8d4d08..9a6e4ac9e551 100644
--- a/drivers/video/fbdev/via/lcd.c
+++ b/drivers/video/fbdev/via/lcd.c
@@ -147,7 +147,7 @@ bool viafb_lvds_trasmitter_identify(void)
return true;
/* Check for VT1631: */
viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = VT1631_LVDS;
- viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr =
+ viaparinfo->chip_info->lvds_chip_info.lvds_chip_client_addr =
VT1631_LVDS_I2C_ADDR;

if (check_lvds_chip(VT1631_DEVICE_ID_REG, VT1631_DEVICE_ID)) {
@@ -161,7 +161,7 @@ bool viafb_lvds_trasmitter_identify(void)

viaparinfo->chip_info->lvds_chip_info.lvds_chip_name =
NON_LVDS_TRANSMITTER;
- viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr =
+ viaparinfo->chip_info->lvds_chip_info.lvds_chip_client_addr =
VT1631_LVDS_I2C_ADDR;
return false;
}
@@ -327,7 +327,7 @@ static int lvds_register_read(int index)
u8 data;

viafb_i2c_readbyte(VIA_PORT_2C,
- (u8) viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr,
+ (u8) viaparinfo->chip_info->lvds_chip_info.lvds_chip_client_addr,
(u8) index, &data);
return data;
}
diff --git a/drivers/video/fbdev/via/via_aux.h b/drivers/video/fbdev/via/via_aux.h
index 0933bbf20e58..e2b617b1e6fd 100644
--- a/drivers/video/fbdev/via/via_aux.h
+++ b/drivers/video/fbdev/via/via_aux.h
@@ -24,7 +24,7 @@ struct via_aux_drv {
struct list_head chain; /* chain to support multiple drivers */

struct via_aux_bus *bus; /* the I2C bus used */
- u8 addr; /* the I2C slave address */
+ u8 addr; /* the I2C client address */

const char *name; /* human readable name of the driver */
void *data; /* private data of this driver */
diff --git a/drivers/video/fbdev/via/via_i2c.c b/drivers/video/fbdev/via/via_i2c.c
index 582502810575..907c739475d0 100644
--- a/drivers/video/fbdev/via/via_i2c.c
+++ b/drivers/video/fbdev/via/via_i2c.c
@@ -104,7 +104,7 @@ static void via_i2c_setsda(void *data, int state)
spin_unlock_irqrestore(&i2c_vdev->reg_lock, flags);
}

-int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata)
+int viafb_i2c_readbyte(u8 adap, u8 client_addr, u8 index, u8 *pdata)
{
int ret;
u8 mm1[] = {0x00};
@@ -115,7 +115,7 @@ int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata)
*pdata = 0;
msgs[0].flags = 0;
msgs[1].flags = I2C_M_RD;
- msgs[0].addr = msgs[1].addr = slave_addr / 2;
+ msgs[0].addr = msgs[1].addr = client_addr / 2;
mm1[0] = index;
msgs[0].len = 1; msgs[1].len = 1;
msgs[0].buf = mm1; msgs[1].buf = pdata;
@@ -128,7 +128,7 @@ int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata)
return ret;
}

-int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data)
+int viafb_i2c_writebyte(u8 adap, u8 client_addr, u8 index, u8 data)
{
int ret;
u8 msg[2] = { index, data };
@@ -137,7 +137,7 @@ int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data)
if (!via_i2c_par[adap].is_active)
return -ENODEV;
msgs.flags = 0;
- msgs.addr = slave_addr / 2;
+ msgs.addr = client_addr / 2;
msgs.len = 2;
msgs.buf = msg;
ret = i2c_transfer(&via_i2c_par[adap].adapter, &msgs, 1);
@@ -149,7 +149,7 @@ int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data)
return ret;
}

-int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len)
+int viafb_i2c_readbytes(u8 adap, u8 client_addr, u8 index, u8 *buff, int buff_len)
{
int ret;
u8 mm1[] = {0x00};
@@ -159,7 +159,7 @@ int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len
return -ENODEV;
msgs[0].flags = 0;
msgs[1].flags = I2C_M_RD;
- msgs[0].addr = msgs[1].addr = slave_addr / 2;
+ msgs[0].addr = msgs[1].addr = client_addr / 2;
mm1[0] = index;
msgs[0].len = 1; msgs[1].len = buff_len;
msgs[0].buf = mm1; msgs[1].buf = buff;
diff --git a/drivers/video/fbdev/via/vt1636.c b/drivers/video/fbdev/via/vt1636.c
index 8d8cfdb05618..614e5c29a449 100644
--- a/drivers/video/fbdev/via/vt1636.c
+++ b/drivers/video/fbdev/via/vt1636.c
@@ -44,7 +44,7 @@ u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information
u8 data;

viafb_i2c_readbyte(plvds_chip_info->i2c_port,
- plvds_chip_info->lvds_chip_slave_addr, index, &data);
+ plvds_chip_info->lvds_chip_client_addr, index, &data);
return data;
}

@@ -60,7 +60,7 @@ void viafb_gpio_i2c_write_mask_lvds(struct lvds_setting_information
data = (data & (~io_data.Mask)) | io_data.Data;

viafb_i2c_writebyte(plvds_chip_info->i2c_port,
- plvds_chip_info->lvds_chip_slave_addr, index, data);
+ plvds_chip_info->lvds_chip_client_addr, index, data);
}

void viafb_init_lvds_vt1636(struct lvds_setting_information
@@ -113,7 +113,7 @@ bool viafb_lvds_identify_vt1636(u8 i2c_adapter)
DEBUG_MSG(KERN_INFO "viafb_lvds_identify_vt1636.\n");

/* Sense VT1636 LVDS Transmiter */
- viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr =
+ viaparinfo->chip_info->lvds_chip_info.lvds_chip_client_addr =
VT1636_LVDS_I2C_ADDR;

/* Check vendor ID first: */
--
2.34.1