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path: root/drivers/video/ssd1307fb.c
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Diffstat (limited to 'drivers/video/ssd1307fb.c')
-rw-r--r--drivers/video/ssd1307fb.c69
1 files changed, 35 insertions, 34 deletions
diff --git a/drivers/video/ssd1307fb.c b/drivers/video/ssd1307fb.c
index 5d160ddf33..61d0e083a3 100644
--- a/drivers/video/ssd1307fb.c
+++ b/drivers/video/ssd1307fb.c
@@ -93,9 +93,10 @@ static struct ssd1307fb_array *ssd1307fb_alloc_array(u32 len, u8 type)
return array;
}
-static int ssd1307fb_write_array(struct i2c_client *client,
+static int ssd1307fb_write_array(struct ssd1307fb_par *par,
struct ssd1307fb_array *array, u32 len)
{
+ struct i2c_client *client = par->client;
int ret;
len += sizeof(struct ssd1307fb_array);
@@ -109,7 +110,7 @@ static int ssd1307fb_write_array(struct i2c_client *client,
return 0;
}
-static inline int ssd1307fb_write_cmd(struct i2c_client *client, u8 cmd)
+static inline int ssd1307fb_write_cmd(struct ssd1307fb_par *par, u8 cmd)
{
struct ssd1307fb_array *array;
int ret;
@@ -120,7 +121,7 @@ static inline int ssd1307fb_write_cmd(struct i2c_client *client, u8 cmd)
array->data[0] = cmd;
- ret = ssd1307fb_write_array(client, array, 1);
+ ret = ssd1307fb_write_array(par, array, 1);
kfree(array);
return ret;
@@ -181,20 +182,20 @@ static void ssd1307fb_update_display(struct ssd1307fb_par *par)
}
}
- ssd1307fb_write_array(par->client, array, par->width * par->height / 8);
+ ssd1307fb_write_array(par, array, par->width * par->height / 8);
kfree(array);
}
static void ssd1307fb_enable(struct fb_info *info)
{
struct ssd1307fb_par *par = info->priv;
- ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_ON);
+ ssd1307fb_write_cmd(par, SSD1307FB_DISPLAY_ON);
}
static void ssd1307fb_disable(struct fb_info *info)
{
struct ssd1307fb_par *par = info->priv;
- ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_OFF);
+ ssd1307fb_write_cmd(par, SSD1307FB_DISPLAY_OFF);
}
static void ssd1307fb_flush(struct fb_info *info)
@@ -215,134 +216,134 @@ static int ssd1307fb_init(struct ssd1307fb_par *par)
u32 precharge, dclk, com_invdir, compins;
/* Set initial contrast */
- ret = ssd1307fb_write_cmd(par->client, SSD1307FB_CONTRAST);
+ ret = ssd1307fb_write_cmd(par, SSD1307FB_CONTRAST);
if (ret < 0)
return ret;
- ret = ssd1307fb_write_cmd(par->client, par->contrast);
+ ret = ssd1307fb_write_cmd(par, par->contrast);
if (ret < 0)
return ret;
/* Set segment re-map */
if (par->seg_remap) {
- ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SEG_REMAP_ON);
+ ret = ssd1307fb_write_cmd(par, SSD1307FB_SEG_REMAP_ON);
if (ret < 0)
return ret;
};
/* Set COM direction */
com_invdir = 0xc0 | (par->com_invdir & 0x1) << 3;
- ret = ssd1307fb_write_cmd(par->client, com_invdir);
+ ret = ssd1307fb_write_cmd(par, com_invdir);
if (ret < 0)
return ret;
/* Set multiplex ratio value */
- ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_MULTIPLEX_RATIO);
+ ret = ssd1307fb_write_cmd(par, SSD1307FB_SET_MULTIPLEX_RATIO);
if (ret < 0)
return ret;
- ret = ssd1307fb_write_cmd(par->client, par->height - 1);
+ ret = ssd1307fb_write_cmd(par, par->height - 1);
if (ret < 0)
return ret;
/* set display offset value */
- ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_DISPLAY_OFFSET);
+ ret = ssd1307fb_write_cmd(par, SSD1307FB_SET_DISPLAY_OFFSET);
if (ret < 0)
return ret;
- ret = ssd1307fb_write_cmd(par->client, par->com_offset);
+ ret = ssd1307fb_write_cmd(par, par->com_offset);
if (ret < 0)
return ret;
/* Set clock frequency */
- ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_CLOCK_FREQ);
+ ret = ssd1307fb_write_cmd(par, SSD1307FB_SET_CLOCK_FREQ);
if (ret < 0)
return ret;
dclk = ((par->dclk_div - 1) & 0xf) | (par->dclk_frq & 0xf) << 4;
- ret = ssd1307fb_write_cmd(par->client, dclk);
+ ret = ssd1307fb_write_cmd(par, dclk);
if (ret < 0)
return ret;
/* Set precharge period in number of ticks from the internal clock */
- ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_PRECHARGE_PERIOD);
+ ret = ssd1307fb_write_cmd(par, SSD1307FB_SET_PRECHARGE_PERIOD);
if (ret < 0)
return ret;
precharge = (par->prechargep1 & 0xf) | (par->prechargep2 & 0xf) << 4;
- ret = ssd1307fb_write_cmd(par->client, precharge);
+ ret = ssd1307fb_write_cmd(par, precharge);
if (ret < 0)
return ret;
/* Set COM pins configuration */
- ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_COM_PINS_CONFIG);
+ ret = ssd1307fb_write_cmd(par, SSD1307FB_SET_COM_PINS_CONFIG);
if (ret < 0)
return ret;
compins = 0x02 | !(par->com_seq & 0x1) << 4
| (par->com_lrremap & 0x1) << 5;
- ret = ssd1307fb_write_cmd(par->client, compins);
+ ret = ssd1307fb_write_cmd(par, compins);
if (ret < 0)
return ret;
/* Set VCOMH */
- ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_VCOMH);
+ ret = ssd1307fb_write_cmd(par, SSD1307FB_SET_VCOMH);
if (ret < 0)
return ret;
- ret = ssd1307fb_write_cmd(par->client, par->vcomh);
+ ret = ssd1307fb_write_cmd(par, par->vcomh);
if (ret < 0)
return ret;
/* Turn on the DC-DC Charge Pump */
- ret = ssd1307fb_write_cmd(par->client, SSD1307FB_CHARGE_PUMP);
+ ret = ssd1307fb_write_cmd(par, SSD1307FB_CHARGE_PUMP);
if (ret < 0)
return ret;
- ret = ssd1307fb_write_cmd(par->client,
+ ret = ssd1307fb_write_cmd(par,
BIT(4) | (par->device_info->need_chargepump ? BIT(2) : 0));
if (ret < 0)
return ret;
/* Switch to horizontal addressing mode */
- ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_ADDRESS_MODE);
+ ret = ssd1307fb_write_cmd(par, SSD1307FB_SET_ADDRESS_MODE);
if (ret < 0)
return ret;
- ret = ssd1307fb_write_cmd(par->client,
+ ret = ssd1307fb_write_cmd(par,
SSD1307FB_SET_ADDRESS_MODE_HORIZONTAL);
if (ret < 0)
return ret;
/* Set column range */
- ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_COL_RANGE);
+ ret = ssd1307fb_write_cmd(par, SSD1307FB_SET_COL_RANGE);
if (ret < 0)
return ret;
- ret = ssd1307fb_write_cmd(par->client, 0x0);
+ ret = ssd1307fb_write_cmd(par, 0x0);
if (ret < 0)
return ret;
- ret = ssd1307fb_write_cmd(par->client, par->width - 1);
+ ret = ssd1307fb_write_cmd(par, par->width - 1);
if (ret < 0)
return ret;
/* Set page range */
- ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_PAGE_RANGE);
+ ret = ssd1307fb_write_cmd(par, SSD1307FB_SET_PAGE_RANGE);
if (ret < 0)
return ret;
- ret = ssd1307fb_write_cmd(par->client, 0x0);
+ ret = ssd1307fb_write_cmd(par, 0x0);
if (ret < 0)
return ret;
- ret = ssd1307fb_write_cmd(par->client,
+ ret = ssd1307fb_write_cmd(par,
par->page_offset + (par->height / 8) - 1);
if (ret < 0)
return ret;
/* Turn on the display */
- ret = ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_ON);
+ ret = ssd1307fb_write_cmd(par, SSD1307FB_DISPLAY_ON);
if (ret < 0)
return ret;
@@ -564,7 +565,7 @@ static int ssd1307fb_probe(struct device_d *dev)
}
}
- ssd1307fb_write_array(par->client, array, par->width * par->height / 8);
+ ssd1307fb_write_array(par, array, par->width * par->height / 8);
kfree(array);
dev_info(&client->dev,
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-30 20:55:24 +0000