Changeset 7fa2031 in mainline for uspace/drv/fb/amdm37x_dispc/amdm37x_dispc_regs.h

Timestamp:

2013-01-20T22:17:55Z (11 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

f03f107

Parents:

96228d0

Message:

amdm37x_dispc: Implement mode changing.

File:

• uspace/drv/fb/amdm37x_dispc/amdm37x_dispc_regs.h (modified) (2 diffs)

uspace/drv/fb/amdm37x_dispc/amdm37x_dispc_regs.h

@@ -41 +41 @@
 #define AMDM37x_DISPC_SIZE 1024
 
-#include <assert.h>
 #include <macros.h>
 
@@ -280 +279 @@
         ioport32_t vid_preload[2];
 
-} __attribute__((packed)) amdm37x_dispc_regs_t;
-
-static inline void amdm37x_dispc_setup_fb(amdm37x_dispc_regs_t *regs,
-    unsigned x, unsigned y, unsigned bpp, uintptr_t pa)
-{
-        assert(regs);
-        /* Init sequence for dispc is in chapter 7.6.5.1.4 p. 1810,
-         * no idea what parts of that work. */
-
-        /* Disable all interrupts */
-        regs->irqenable = 0;
-
-        /* Pixel format specifics*/
-        uint32_t attrib_pixel_format = 0;
-        uint32_t control_data_lanes = 0;
-        switch (bpp)
-        {
-        case 32:
-                attrib_pixel_format = AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_RGBX;
-                control_data_lanes = AMDM37X_DISPC_CONTROL_TFTDATALINES_24B;
-                break;
-        case 24:
-                attrib_pixel_format = AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_RGB24;
-                control_data_lanes = AMDM37X_DISPC_CONTROL_TFTDATALINES_24B;
-                break;
-        case 16:
-                attrib_pixel_format = AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_RGB16;
-                control_data_lanes = AMDM37X_DISPC_CONTROL_TFTDATALINES_16B;
-                break;
-        default:
-                assert(false);
-        }
-
-        /* Prepare sizes */
-        const uint32_t size_reg =
-            (((x - 1) & AMDM37X_DISPC_SIZE_WIDTH_MASK)
-                << AMDM37X_DISPC_SIZE_WIDTH_SHIFT) |
-            (((y - 1) & AMDM37X_DISPC_SIZE_HEIGHT_MASK)
-                << AMDM37X_DISPC_SIZE_HEIGHT_SHIFT);
-
-        /* modes taken from u-boot, for 1024x768 */
-        // TODO replace magic values with actual correct values
-//      regs->timing_h = 0x1a4024c9;
-//      regs->timing_v = 0x02c00509;
-//      regs->pol_freq = 0x00007028;
-//      regs->divisor  = 0x00010001;
-
-        /* setup output */
-        regs->size_lcd = size_reg;
-        regs->size_dig = size_reg;
-
-        /* Nice blue default color */
-        regs->default_color[0] = 0x0000ff;
-        regs->default_color[1] = 0x0000ff;
-
-        /* Setup control register */
-        uint32_t control = 0 |
-                AMDM37X_DISPC_CONTROL_PCKFREEENABLE_FLAG |
-                (control_data_lanes << AMDM37X_DISPC_CONTROL_TFTDATALINES_SHIFT) |
-                AMDM37X_DISPC_CONTROL_GPOUT0_FLAG |
-                AMDM37X_DISPC_CONTROL_GPOUT1_FLAG;
-        regs->control = control;
-
-        /* No gamma stuff only data */
-        uint32_t config = (AMDM37X_DISPC_CONFIG_LOADMODE_DATAEVERYFRAME
-                    << AMDM37X_DISPC_CONFIG_LOADMODE_SHIFT);
-        regs->config = config;
-
-
-        /* Set framebuffer base address */
-        regs->gfx.ba[0] = pa;
-        regs->gfx.ba[1] = pa;
-        regs->gfx.position = 0;
-
-        /* Setup fb size */
-        regs->gfx.size = size_reg;
-
-        /* Set pixel format */
-        uint32_t attribs = 0 |
-            (attrib_pixel_format << AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_SHIFT);
-        regs->gfx.attributes = attribs;
-
-        /* 0x03ff03c0 is the default */
-        regs->gfx.fifo_threshold = 0x03ff03c0;
-        /* This value should be stride - width, 1 means next pixel i.e.
-         * stride == width */
-        regs->gfx.row_inc = 1;
-        /* number of bytes to next pixel in BPP multiples */
-        regs->gfx.pixel_inc = 1;
-        /* only used if video is played over fb */
-        regs->gfx.window_skip = 0;
-        /* Gamma and palette table */
-        regs->gfx.table_ba = 0;
-
-        /* enable frame buffer graphics */
-        regs->gfx.attributes |= AMDM37X_DISPC_GFX_ATTRIBUTES_ENABLE_FLAG;
-        /* Update register values */
-        regs->control |= AMDM37X_DISPC_CONTROL_GOLCD_FLAG;
-        regs->control |= AMDM37X_DISPC_CONTROL_GODIGITAL_FLAG;
-        /* Enable output */
-        regs->control |= AMDM37X_DISPC_CONTROL_LCD_ENABLE_FLAG;
-        regs->control |= AMDM37X_DISPC_CONTROL_DIGITAL_ENABLE_FLAG;
-}
+} amdm37x_dispc_regs_t;
+
 
 #endif