diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/glamo/glamo-core.c | 33 | ||||
| -rw-r--r-- | drivers/mfd/glamo/glamo-core.h | 35 | ||||
| -rw-r--r-- | drivers/mfd/glamo/glamo-regs.h | 24 |
3 files changed, 76 insertions, 16 deletions
diff --git a/drivers/mfd/glamo/glamo-core.c b/drivers/mfd/glamo/glamo-core.c index e0e39409595..2b47b65f8af 100644 --- a/drivers/mfd/glamo/glamo-core.c +++ b/drivers/mfd/glamo/glamo-core.c @@ -221,10 +221,31 @@ 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-command-queue", + .start = GLAMO_MEM_BASE + GLAMO_OFFSET_CMDQ, + .end = GLAMO_MEM_BASE + GLAMO_OFFSET_CMDQ + + GLAMO_CMDQ_SIZE - 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 +256,9 @@ 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 e5b1a35518a..702430450b4 100644 --- a/drivers/mfd/glamo/glamo-core.h +++ b/drivers/mfd/glamo/glamo-core.h @@ -3,18 +3,33 @@ #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 */ +#define GLAMO_CMDQ_SIZE (128 * 1024) /* 128k ring 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 \ + - GLAMO_CMDQ_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) +#define GLAMO_OFFSET_CMDQ (GLAMO_OFFSET_MMC + GLAMO_MMC_BUFFER_SIZE) enum glamo_pll { GLAMO_PLL1, diff --git a/drivers/mfd/glamo/glamo-regs.h b/drivers/mfd/glamo/glamo-regs.h index 59848e1122e..8b2fd474fcd 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 */ |