diff options
Diffstat (limited to 'drivers/gpu/drm/tinydrm/st7586.c')
| -rw-r--r-- | drivers/gpu/drm/tinydrm/st7586.c | 62 |
1 files changed, 33 insertions, 29 deletions
diff --git a/drivers/gpu/drm/tinydrm/st7586.c b/drivers/gpu/drm/tinydrm/st7586.c index 4046b0fc3f7a..8339e7dc5d92 100644 --- a/drivers/gpu/drm/tinydrm/st7586.c +++ b/drivers/gpu/drm/tinydrm/st7586.c @@ -115,6 +115,7 @@ static int st7586_buf_copy(void *dst, struct drm_framebuffer *fb, static void st7586_fb_dirty(struct drm_framebuffer *fb, struct drm_rect *rect) { struct mipi_dbi *mipi = drm_to_mipi_dbi(fb->dev); + struct mipi_dbi *dbi = mipi; int start, end, idx, ret = 0; if (!mipi->enabled) @@ -137,14 +138,14 @@ static void st7586_fb_dirty(struct drm_framebuffer *fb, struct drm_rect *rect) start = rect->x1 / 3; end = rect->x2 / 3; - mipi_dbi_command(mipi, MIPI_DCS_SET_COLUMN_ADDRESS, + mipi_dbi_command(dbi, MIPI_DCS_SET_COLUMN_ADDRESS, (start >> 8) & 0xFF, start & 0xFF, (end >> 8) & 0xFF, (end - 1) & 0xFF); - mipi_dbi_command(mipi, MIPI_DCS_SET_PAGE_ADDRESS, + mipi_dbi_command(dbi, MIPI_DCS_SET_PAGE_ADDRESS, (rect->y1 >> 8) & 0xFF, rect->y1 & 0xFF, (rect->y2 >> 8) & 0xFF, (rect->y2 - 1) & 0xFF); - ret = mipi_dbi_command_buf(mipi, MIPI_DCS_WRITE_MEMORY_START, + ret = mipi_dbi_command_buf(dbi, MIPI_DCS_WRITE_MEMORY_START, (u8 *)mipi->tx_buf, (end - start) * (rect->y2 - rect->y1)); err_msg: @@ -178,6 +179,7 @@ static void st7586_pipe_enable(struct drm_simple_display_pipe *pipe, { struct mipi_dbi *mipi = drm_to_mipi_dbi(pipe->crtc.dev); struct drm_framebuffer *fb = plane_state->fb; + struct mipi_dbi *dbi = mipi; struct drm_rect rect = { .x1 = 0, .x2 = fb->width, @@ -196,29 +198,29 @@ static void st7586_pipe_enable(struct drm_simple_display_pipe *pipe, if (ret) goto out_exit; - mipi_dbi_command(mipi, ST7586_AUTO_READ_CTRL, 0x9f); - mipi_dbi_command(mipi, ST7586_OTP_RW_CTRL, 0x00); + mipi_dbi_command(dbi, ST7586_AUTO_READ_CTRL, 0x9f); + mipi_dbi_command(dbi, ST7586_OTP_RW_CTRL, 0x00); msleep(10); - mipi_dbi_command(mipi, ST7586_OTP_READ); + mipi_dbi_command(dbi, ST7586_OTP_READ); msleep(20); - mipi_dbi_command(mipi, ST7586_OTP_CTRL_OUT); - mipi_dbi_command(mipi, MIPI_DCS_EXIT_SLEEP_MODE); - mipi_dbi_command(mipi, MIPI_DCS_SET_DISPLAY_OFF); + mipi_dbi_command(dbi, ST7586_OTP_CTRL_OUT); + mipi_dbi_command(dbi, MIPI_DCS_EXIT_SLEEP_MODE); + mipi_dbi_command(dbi, MIPI_DCS_SET_DISPLAY_OFF); msleep(50); - mipi_dbi_command(mipi, ST7586_SET_VOP_OFFSET, 0x00); - mipi_dbi_command(mipi, ST7586_SET_VOP, 0xe3, 0x00); - mipi_dbi_command(mipi, ST7586_SET_BIAS_SYSTEM, 0x02); - mipi_dbi_command(mipi, ST7586_SET_BOOST_LEVEL, 0x04); - mipi_dbi_command(mipi, ST7586_ENABLE_ANALOG, 0x1d); - mipi_dbi_command(mipi, ST7586_SET_NLINE_INV, 0x00); - mipi_dbi_command(mipi, ST7586_DISP_MODE_GRAY); - mipi_dbi_command(mipi, ST7586_ENABLE_DDRAM, 0x02); + mipi_dbi_command(dbi, ST7586_SET_VOP_OFFSET, 0x00); + mipi_dbi_command(dbi, ST7586_SET_VOP, 0xe3, 0x00); + mipi_dbi_command(dbi, ST7586_SET_BIAS_SYSTEM, 0x02); + mipi_dbi_command(dbi, ST7586_SET_BOOST_LEVEL, 0x04); + mipi_dbi_command(dbi, ST7586_ENABLE_ANALOG, 0x1d); + mipi_dbi_command(dbi, ST7586_SET_NLINE_INV, 0x00); + mipi_dbi_command(dbi, ST7586_DISP_MODE_GRAY); + mipi_dbi_command(dbi, ST7586_ENABLE_DDRAM, 0x02); switch (mipi->rotation) { default: @@ -234,19 +236,19 @@ static void st7586_pipe_enable(struct drm_simple_display_pipe *pipe, addr_mode = ST7586_DISP_CTRL_MX; break; } - mipi_dbi_command(mipi, MIPI_DCS_SET_ADDRESS_MODE, addr_mode); + mipi_dbi_command(dbi, MIPI_DCS_SET_ADDRESS_MODE, addr_mode); - mipi_dbi_command(mipi, ST7586_SET_DISP_DUTY, 0x7f); - mipi_dbi_command(mipi, ST7586_SET_PART_DISP, 0xa0); - mipi_dbi_command(mipi, MIPI_DCS_SET_PARTIAL_AREA, 0x00, 0x00, 0x00, 0x77); - mipi_dbi_command(mipi, MIPI_DCS_EXIT_INVERT_MODE); + mipi_dbi_command(dbi, ST7586_SET_DISP_DUTY, 0x7f); + mipi_dbi_command(dbi, ST7586_SET_PART_DISP, 0xa0); + mipi_dbi_command(dbi, MIPI_DCS_SET_PARTIAL_AREA, 0x00, 0x00, 0x00, 0x77); + mipi_dbi_command(dbi, MIPI_DCS_EXIT_INVERT_MODE); msleep(100); mipi->enabled = true; st7586_fb_dirty(fb, &rect); - mipi_dbi_command(mipi, MIPI_DCS_SET_DISPLAY_ON); + mipi_dbi_command(dbi, MIPI_DCS_SET_DISPLAY_ON); out_exit: drm_dev_exit(idx); } @@ -318,6 +320,7 @@ static int st7586_probe(struct spi_device *spi) struct device *dev = &spi->dev; struct drm_device *drm; struct mipi_dbi *mipi; + struct mipi_dbi *dbi; struct gpio_desc *a0; u32 rotation = 0; size_t bufsize; @@ -327,6 +330,7 @@ static int st7586_probe(struct spi_device *spi) if (!mipi) return -ENOMEM; + dbi = mipi; drm = &mipi->drm; ret = devm_drm_dev_init(dev, drm, &st7586_driver); if (ret) { @@ -338,10 +342,10 @@ static int st7586_probe(struct spi_device *spi) bufsize = (st7586_mode.vdisplay + 2) / 3 * st7586_mode.hdisplay; - mipi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); - if (IS_ERR(mipi->reset)) { + dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(dbi->reset)) { DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n"); - return PTR_ERR(mipi->reset); + return PTR_ERR(dbi->reset); } a0 = devm_gpiod_get(dev, "a0", GPIOD_OUT_LOW); @@ -352,12 +356,12 @@ static int st7586_probe(struct spi_device *spi) device_property_read_u32(dev, "rotation", &rotation); - ret = mipi_dbi_spi_init(spi, mipi, a0); + ret = mipi_dbi_spi_init(spi, dbi, a0); if (ret) return ret; /* Cannot read from this controller via SPI */ - mipi->read_commands = NULL; + dbi->read_commands = NULL; ret = mipi_dbi_init_with_formats(mipi, &st7586_pipe_funcs, st7586_formats, ARRAY_SIZE(st7586_formats), @@ -372,7 +376,7 @@ static int st7586_probe(struct spi_device *spi) * bytes on little-endian systems and causes out of order data to be * sent to the display). */ - mipi->swap_bytes = true; + dbi->swap_bytes = true; drm_mode_config_reset(drm); |