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[92.176.231.205]) by smtp.gmail.com with ESMTPSA id 1-20020a05600c230100b0040644e699a0sm14171296wmo.45.2023.10.09.11.36.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Oct 2023 11:36:06 -0700 (PDT) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Subject: [PATCH 6/8] drm/ssd13xx: Rename commands that are shared across chip families Date: Mon, 9 Oct 2023 20:34:20 +0200 Message-ID: <20231009183522.543918-7-javierm@redhat.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231009183522.543918-1-javierm@redhat.com> References: <20231009183522.543918-1-javierm@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Zimmermann , Javier Martinez Canillas , Maxime Ripard , Geert Uytterhoeven , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" There are some commands that are shared between the SSD130x and SSD132x controller families, define these as a common SSD13XX set of commands. Signed-off-by: Javier Martinez Canillas --- drivers/gpu/drm/solomon/ssd13xx-spi.c | 4 +-- drivers/gpu/drm/solomon/ssd13xx.c | 45 +++++++++++++++------------ drivers/gpu/drm/solomon/ssd13xx.h | 4 +-- 3 files changed, 29 insertions(+), 24 deletions(-) diff --git a/drivers/gpu/drm/solomon/ssd13xx-spi.c b/drivers/gpu/drm/solomon/ssd13xx-spi.c index a5ebe5475a49..2416756686cc 100644 --- a/drivers/gpu/drm/solomon/ssd13xx-spi.c +++ b/drivers/gpu/drm/solomon/ssd13xx-spi.c @@ -34,10 +34,10 @@ static int ssd13xx_spi_write(void *context, const void *data, size_t count) struct spi_device *spi = t->spi; const u8 *reg = data; - if (*reg == SSD130X_COMMAND) + if (*reg == SSD13XX_COMMAND) gpiod_set_value_cansleep(t->dc, 0); - if (*reg == SSD130X_DATA) + if (*reg == SSD13XX_DATA) gpiod_set_value_cansleep(t->dc, 1); /* Remove control byte since is not used in a 4-wire SPI interface */ diff --git a/drivers/gpu/drm/solomon/ssd13xx.c b/drivers/gpu/drm/solomon/ssd13xx.c index 5a426ac10c58..b30224856518 100644 --- a/drivers/gpu/drm/solomon/ssd13xx.c +++ b/drivers/gpu/drm/solomon/ssd13xx.c @@ -44,18 +44,24 @@ #define SSD130X_PAGE_HEIGHT 8 +/* ssd13xx commands */ +#define SSD13XX_CONTRAST 0x81 +#define SSD13XX_SET_SEG_REMAP 0xa0 +#define SSD13XX_SET_MULTIPLEX_RATIO 0xa8 +#define SSD13XX_DISPLAY_OFF 0xae +#define SSD13XX_DISPLAY_ON 0xaf + +#define SSD13XX_SET_SEG_REMAP_MASK GENMASK(0, 0) +#define SSD13XX_SET_SEG_REMAP_SET(val) FIELD_PREP(SSD13XX_SET_SEG_REMAP_MASK, (val)) + +/* ssd130x commands */ #define SSD130X_PAGE_COL_START_LOW 0x00 #define SSD130X_PAGE_COL_START_HIGH 0x10 #define SSD130X_SET_ADDRESS_MODE 0x20 #define SSD130X_SET_COL_RANGE 0x21 #define SSD130X_SET_PAGE_RANGE 0x22 -#define SSD130X_CONTRAST 0x81 #define SSD130X_SET_LOOKUP_TABLE 0x91 #define SSD130X_CHARGE_PUMP 0x8d -#define SSD130X_SET_SEG_REMAP 0xa0 -#define SSD130X_DISPLAY_OFF 0xae -#define SSD130X_SET_MULTIPLEX_RATIO 0xa8 -#define SSD130X_DISPLAY_ON 0xaf #define SSD130X_START_PAGE_ADDRESS 0xb0 #define SSD130X_SET_COM_SCAN_DIR 0xc0 #define SSD130X_SET_DISPLAY_OFFSET 0xd3 @@ -65,13 +71,12 @@ #define SSD130X_SET_COM_PINS_CONFIG 0xda #define SSD130X_SET_VCOMH 0xdb +/* ssd130x commands accessors */ #define SSD130X_PAGE_COL_START_MASK GENMASK(3, 0) #define SSD130X_PAGE_COL_START_HIGH_SET(val) FIELD_PREP(SSD130X_PAGE_COL_START_MASK, (val) >> 4) #define SSD130X_PAGE_COL_START_LOW_SET(val) FIELD_PREP(SSD130X_PAGE_COL_START_MASK, (val)) #define SSD130X_START_PAGE_ADDRESS_MASK GENMASK(2, 0) #define SSD130X_START_PAGE_ADDRESS_SET(val) FIELD_PREP(SSD130X_START_PAGE_ADDRESS_MASK, (val)) -#define SSD130X_SET_SEG_REMAP_MASK GENMASK(0, 0) -#define SSD130X_SET_SEG_REMAP_SET(val) FIELD_PREP(SSD130X_SET_SEG_REMAP_MASK, (val)) #define SSD130X_SET_COM_SCAN_DIR_MASK GENMASK(3, 3) #define SSD130X_SET_COM_SCAN_DIR_SET(val) FIELD_PREP(SSD130X_SET_COM_SCAN_DIR_MASK, (val)) #define SSD130X_SET_CLOCK_DIV_MASK GENMASK(3, 0) @@ -171,20 +176,20 @@ static inline struct ssd13xx_device *drm_to_ssd13xx(struct drm_device *drm) } /* - * Helper to write data (SSD130X_DATA) to the device. + * Helper to write data (SSD13XX_DATA) to the device. */ static int ssd13xx_write_data(struct ssd13xx_device *ssd13xx, u8 *values, int count) { - return regmap_bulk_write(ssd13xx->regmap, SSD130X_DATA, values, count); + return regmap_bulk_write(ssd13xx->regmap, SSD13XX_DATA, values, count); } /* - * Helper to write command (SSD130X_COMMAND). The fist variadic argument + * Helper to write command (SSD13XX_COMMAND). The fist variadic argument * is the command to write and the following are the command options. * * Note that the ssd13xx protocol requires each command and option to be - * written as a SSD130X_COMMAND device register value. That is why a call - * to regmap_write(..., SSD130X_COMMAND, ...) is done for each argument. + * written as a SSD13XX_COMMAND device register value. That is why a call + * to regmap_write(..., SSD13XX_COMMAND, ...) is done for each argument. */ static int ssd13xx_write_cmd(struct ssd13xx_device *ssd13xx, int count, /* u8 cmd, u8 option, ... */...) @@ -197,7 +202,7 @@ static int ssd13xx_write_cmd(struct ssd13xx_device *ssd13xx, int count, do { value = va_arg(ap, int); - ret = regmap_write(ssd13xx->regmap, SSD130X_COMMAND, value); + ret = regmap_write(ssd13xx->regmap, SSD13XX_COMMAND, value); if (ret) goto out_end; } while (--count); @@ -341,13 +346,13 @@ static int ssd130x_init(struct ssd13xx_device *ssd13xx) int ret; /* Set initial contrast */ - ret = ssd13xx_write_cmd(ssd13xx, 2, SSD130X_CONTRAST, ssd13xx->contrast); + ret = ssd13xx_write_cmd(ssd13xx, 2, SSD13XX_CONTRAST, ssd13xx->contrast); if (ret < 0) return ret; /* Set segment re-map */ - seg_remap = (SSD130X_SET_SEG_REMAP | - SSD130X_SET_SEG_REMAP_SET(ssd13xx->seg_remap)); + seg_remap = (SSD13XX_SET_SEG_REMAP | + SSD13XX_SET_SEG_REMAP_SET(ssd13xx->seg_remap)); ret = ssd13xx_write_cmd(ssd13xx, 1, seg_remap); if (ret < 0) return ret; @@ -360,7 +365,7 @@ static int ssd130x_init(struct ssd13xx_device *ssd13xx) return ret; /* Set multiplex ratio value */ - ret = ssd13xx_write_cmd(ssd13xx, 2, SSD130X_SET_MULTIPLEX_RATIO, ssd13xx->height - 1); + ret = ssd13xx_write_cmd(ssd13xx, 2, SSD13XX_SET_MULTIPLEX_RATIO, ssd13xx->height - 1); if (ret < 0) return ret; @@ -918,7 +923,7 @@ static void ssd13xx_encoder_atomic_enable(struct drm_encoder *encoder, if (ret) goto power_off; - ssd13xx_write_cmd(ssd13xx, 1, SSD130X_DISPLAY_ON); + ssd13xx_write_cmd(ssd13xx, 1, SSD13XX_DISPLAY_ON); backlight_enable(ssd13xx->bl_dev); @@ -937,7 +942,7 @@ static void ssd13xx_encoder_atomic_disable(struct drm_encoder *encoder, backlight_disable(ssd13xx->bl_dev); - ssd13xx_write_cmd(ssd13xx, 1, SSD130X_DISPLAY_OFF); + ssd13xx_write_cmd(ssd13xx, 1, SSD13XX_DISPLAY_OFF); ssd13xx_power_off(ssd13xx); } @@ -1013,7 +1018,7 @@ static int ssd13xx_update_bl(struct backlight_device *bdev) ssd13xx->contrast = brightness; - ret = ssd13xx_write_cmd(ssd13xx, 1, SSD130X_CONTRAST); + ret = ssd13xx_write_cmd(ssd13xx, 1, SSD13XX_CONTRAST); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/solomon/ssd13xx.h b/drivers/gpu/drm/solomon/ssd13xx.h index e78d5ab87474..399b0c8b5680 100644 --- a/drivers/gpu/drm/solomon/ssd13xx.h +++ b/drivers/gpu/drm/solomon/ssd13xx.h @@ -22,8 +22,8 @@ #include #include -#define SSD130X_DATA 0x40 -#define SSD130X_COMMAND 0x80 +#define SSD13XX_DATA 0x40 +#define SSD13XX_COMMAND 0x80 enum ssd13xx_family_ids { SSD130X_FAMILY,