diff options
Diffstat (limited to 'recipes/linux/linux-openmoko-2.6.32/0009-Work-on-Glamo-core-for-DRM.patch')
| -rw-r--r-- | recipes/linux/linux-openmoko-2.6.32/0009-Work-on-Glamo-core-for-DRM.patch | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/recipes/linux/linux-openmoko-2.6.32/0009-Work-on-Glamo-core-for-DRM.patch b/recipes/linux/linux-openmoko-2.6.32/0009-Work-on-Glamo-core-for-DRM.patch new file mode 100644 index 0000000000..79b0ea4e0f --- /dev/null +++ b/recipes/linux/linux-openmoko-2.6.32/0009-Work-on-Glamo-core-for-DRM.patch @@ -0,0 +1,162 @@ +From 8cdc10f17ecd42c9f71f7f4a657d979ab20f9e26 Mon Sep 17 00:00:00 2001 +From: Thomas White <taw@bitwiz.org.uk> +Date: Tue, 17 Nov 2009 23:45:29 +0100 +Subject: [PATCH 09/14] Work on Glamo-core for DRM + +This adds modifications to the core of the Glamo driver to expose functionality +to support DRM and KMS. + +Signed-off-by: Thomas White <taw@bitwiz.org.uk> +--- + drivers/mfd/glamo/glamo-core.c | 27 +++++++++++++++++++++------ + drivers/mfd/glamo/glamo-core.h | 32 ++++++++++++++++++++++---------- + drivers/mfd/glamo/glamo-regs.h | 24 ++++++++++++++++++++++++ + include/linux/mfd/glamo.h | 7 ++----- + 4 files changed, 69 insertions(+), 21 deletions(-) + +diff --git a/drivers/mfd/glamo/glamo-core.c b/drivers/mfd/glamo/glamo-core.c +index 82a906a..74da668 100644 +--- a/drivers/mfd/glamo/glamo-core.c ++++ b/drivers/mfd/glamo/glamo-core.c +@@ -221,10 +221,25 @@ static struct resource glamo_fb_resources[] = { + .flags = IORESOURCE_MEM, + }, { + .name = "glamo-fb-mem", +- .start = GLAMO_OFFSET_FB, +- .end = GLAMO_OFFSET_FB + GLAMO_FB_SIZE - 1, ++ .start = GLAMO_MEM_BASE + GLAMO_OFFSET_FB, ++ .end = GLAMO_MEM_BASE + GLAMO_OFFSET_FB + GLAMO_FB_SIZE - 1, + .flags = IORESOURCE_MEM, +- }, ++ }, { ++ .name = "glamo-cmdq-regs", ++ .start = GLAMO_REGOFS_CMDQUEUE, ++ .end = GLAMO_REGOFS_RISC - 1, ++ .flags = IORESOURCE_MEM, ++ }, { ++ .name = "glamo-2d-regs", ++ .start = GLAMO_REGOFS_2D, ++ .end = GLAMO_REGOFS_3D- 1, ++ .flags = IORESOURCE_MEM, ++ }, { ++ .name = "glamo-2d-irq", ++ .start = GLAMO_IRQ_2D, ++ .end = GLAMO_IRQ_2D, ++ .flags = IORESOURCE_IRQ, ++ } + }; + + static struct resource glamo_mmc_resources[] = { +@@ -235,9 +250,9 @@ static struct resource glamo_mmc_resources[] = { + .flags = IORESOURCE_MEM + }, { + .name = "glamo-mmc-mem", +- .start = GLAMO_OFFSET_FB + GLAMO_FB_SIZE, +- .end = GLAMO_OFFSET_FB + GLAMO_FB_SIZE + +- GLAMO_MMC_BUFFER_SIZE - 1, ++ .start = GLAMO_MEM_BASE + GLAMO_OFFSET_MMC, ++ .end = GLAMO_MEM_BASE + GLAMO_OFFSET_MMC ++ + GLAMO_MMC_BUFFER_SIZE - 1, + .flags = IORESOURCE_MEM + }, { + .start = GLAMO_IRQ_MMC, +diff --git a/drivers/mfd/glamo/glamo-core.h b/drivers/mfd/glamo/glamo-core.h +index 17017b0..0adba96 100644 +--- a/drivers/mfd/glamo/glamo-core.h ++++ b/drivers/mfd/glamo/glamo-core.h +@@ -3,18 +3,30 @@ + + #include <linux/mfd/glamo.h> + ++/* Amount of Glamo memory */ ++#define GLAMO_INTERNAL_RAM_SIZE 0x800000 ++ ++/* Arbitrarily determined amount for the hardware cursor */ ++#define GLAMO_CURSOR_SIZE (4096) ++#define GLAMO_MMC_BUFFER_SIZE (64 * 1024) /* 64k MMC buffer */ ++/* Remaining memory will be used for 2D and 3D graphics */ ++#define GLAMO_FB_SIZE (GLAMO_INTERNAL_RAM_SIZE \ ++ - GLAMO_CURSOR_SIZE \ ++ - GLAMO_MMC_BUFFER_SIZE) ++/* A 640x480, 16bpp, double-buffered framebuffer */ ++#if (GLAMO_FB_SIZE < (640 * 480 * 4)) /* == 0x12c000 */ ++#error Not enough Glamo VRAM for framebuffer! ++#endif ++ + /* for the time being, we put the on-screen framebuffer into the lowest + * VRAM space. This should make the code easily compatible with the various +- * 2MB/4MB/8MB variants of the Smedia chips */ +-#define GLAMO_OFFSET_VRAM 0x800000 +-#define GLAMO_OFFSET_FB (GLAMO_OFFSET_VRAM) +- +-/* we only allocate the minimum possible size for the framebuffer to make +- * sure we have sufficient memory for other functions of the chip */ +-/*#define GLAMO_FB_SIZE (640*480*4) *//* == 0x12c000 */ +-#define GLAMO_INTERNAL_RAM_SIZE 0x800000 +-#define GLAMO_MMC_BUFFER_SIZE (64 * 1024) +-#define GLAMO_FB_SIZE (GLAMO_INTERNAL_RAM_SIZE - GLAMO_MMC_BUFFER_SIZE) ++ * 2MB/4MB/8MB variants of the Smedia chips ++ * glamo-fb.c assumes FB comes first, followed by cursor, so DON'T MOVE THEM ++ * (see glamo_regs[] in glamo-fb.c for more information) */ ++#define GLAMO_MEM_BASE (0x800000) ++#define GLAMO_OFFSET_FB (0x000000) ++#define GLAMO_OFFSET_CURSOR (GLAMO_OFFSET_FB + GLAMO_FB_SIZE) ++#define GLAMO_OFFSET_MMC (GLAMO_OFFSET_CURSOR + GLAMO_CURSOR_SIZE) + + enum glamo_pll { + GLAMO_PLL1, +diff --git a/drivers/mfd/glamo/glamo-regs.h b/drivers/mfd/glamo/glamo-regs.h +index 59848e1..8b2fd47 100644 +--- a/drivers/mfd/glamo/glamo-regs.h ++++ b/drivers/mfd/glamo/glamo-regs.h +@@ -627,4 +627,28 @@ enum glamo_core_revisions { + GLAMO_CORE_REV_A3 = 0x0003, + }; + ++enum glamo_register_cq { ++ GLAMO_REG_CMDQ_BASE_ADDRL = 0x00, ++ GLAMO_REG_CMDQ_BASE_ADDRH = 0x02, ++ GLAMO_REG_CMDQ_LEN = 0x04, ++ GLAMO_REG_CMDQ_WRITE_ADDRL = 0x06, ++ GLAMO_REG_CMDQ_WRITE_ADDRH = 0x08, ++ GLAMO_REG_CMDQ_FLIP = 0x0a, ++ GLAMO_REG_CMDQ_CONTROL = 0x0c, ++ GLAMO_REG_CMDQ_READ_ADDRL = 0x0e, ++ GLAMO_REG_CMDQ_READ_ADDRH = 0x10, ++ GLAMO_REG_CMDQ_STATUS = 0x12, ++}; ++ ++#define REG_2D(x) (GLAMO_REGOFS_2D+(x)) ++ ++enum glamo_register_2d { ++ GLAMO_REG_2D_DST_X = REG_2D(0x0a), ++ GLAMO_REG_2D_COMMAND1 = REG_2D(0x3a), ++ GLAMO_REG_2D_STATUS = REG_2D(0x42), ++ GLAMO_REG_2D_ID1 = REG_2D(0x44), ++ GLAMO_REG_2D_ID2 = REG_2D(0x46), ++ GLAMO_REG_2D_ID3 = REG_2D(0x48), ++}; ++ + #endif /* _GLAMO_REGS_H */ +diff --git a/include/linux/mfd/glamo.h b/include/linux/mfd/glamo.h +index 529d4f0..ea91a06 100644 +--- a/include/linux/mfd/glamo.h ++++ b/include/linux/mfd/glamo.h +@@ -41,12 +41,9 @@ enum glamo_engine { + GLAMO_ENGINE_RISC = 11, + GLAMO_ENGINE_MICROP1_MPEG_ENC = 12, + GLAMO_ENGINE_MICROP1_MPEG_DEC = 13, +-#if 0 +- GLAMO_ENGINE_H264_DEC = 14, +- GLAMO_ENGINE_RISC1 = 15, +- GLAMO_ENGINE_SPI = 16, +-#endif + __NUM_GLAMO_ENGINES + }; + ++#define GLAMO_ENGINE_ALL (__NUM_GLAMO_ENGINES) ++ + #endif +-- +1.7.1 + |