From: Holger Schurig Date: Mon, 26 Jan 2009 15:34:56 +0000 (+0100) Subject: arm/imx21: Framebuffer support for i.MX21 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e48135519bd569eed374e0e17ed5233d4105fa97;p=openwrt%2Fstaging%2Fblogic.git arm/imx21: Framebuffer support for i.MX21 This patch mimicks what Martin wrote on the mailing list: * move arch/arm/mach-imx/include/mach/imxfb.h into arch/arm/mach-mxc/include/mach/imxfb.h * changes Kconfig so that CONFIG_FB_IMX is selectable * adds a platform device (copied from some pengutronix patches) Signed-off-by: Holger Schurig Signed-off-by: Sascha Hauer --- diff --git a/arch/arm/mach-imx/include/mach/imxfb.h b/arch/arm/mach-imx/include/mach/imxfb.h deleted file mode 100644 index 870d0d939616..000000000000 --- a/arch/arm/mach-imx/include/mach/imxfb.h +++ /dev/null @@ -1,83 +0,0 @@ -/* - * This structure describes the machine which we are running on. - */ - -#define PCR_TFT (1 << 31) -#define PCR_COLOR (1 << 30) -#define PCR_PBSIZ_1 (0 << 28) -#define PCR_PBSIZ_2 (1 << 28) -#define PCR_PBSIZ_4 (2 << 28) -#define PCR_PBSIZ_8 (3 << 28) -#define PCR_BPIX_1 (0 << 25) -#define PCR_BPIX_2 (1 << 25) -#define PCR_BPIX_4 (2 << 25) -#define PCR_BPIX_8 (3 << 25) -#define PCR_BPIX_12 (4 << 25) -#define PCR_BPIX_16 (4 << 25) -#define PCR_PIXPOL (1 << 24) -#define PCR_FLMPOL (1 << 23) -#define PCR_LPPOL (1 << 22) -#define PCR_CLKPOL (1 << 21) -#define PCR_OEPOL (1 << 20) -#define PCR_SCLKIDLE (1 << 19) -#define PCR_END_SEL (1 << 18) -#define PCR_END_BYTE_SWAP (1 << 17) -#define PCR_REV_VS (1 << 16) -#define PCR_ACD_SEL (1 << 15) -#define PCR_ACD(x) (((x) & 0x7f) << 8) -#define PCR_SCLK_SEL (1 << 7) -#define PCR_SHARP (1 << 6) -#define PCR_PCD(x) ((x) & 0x3f) - -#define PWMR_CLS(x) (((x) & 0x1ff) << 16) -#define PWMR_LDMSK (1 << 15) -#define PWMR_SCR1 (1 << 10) -#define PWMR_SCR0 (1 << 9) -#define PWMR_CC_EN (1 << 8) -#define PWMR_PW(x) ((x) & 0xff) - -#define LSCR1_PS_RISE_DELAY(x) (((x) & 0x7f) << 26) -#define LSCR1_CLS_RISE_DELAY(x) (((x) & 0x3f) << 16) -#define LSCR1_REV_TOGGLE_DELAY(x) (((x) & 0xf) << 8) -#define LSCR1_GRAY2(x) (((x) & 0xf) << 4) -#define LSCR1_GRAY1(x) (((x) & 0xf)) - -#define DMACR_BURST (1 << 31) -#define DMACR_HM(x) (((x) & 0xf) << 16) -#define DMACR_TM(x) ((x) & 0xf) - -struct imx_fb_platform_data { - u_long pixclock; - - u_short xres; - u_short yres; - - u_int nonstd; - u_char bpp; - u_char hsync_len; - u_char left_margin; - u_char right_margin; - - u_char vsync_len; - u_char upper_margin; - u_char lower_margin; - u_char sync; - - u_int cmap_greyscale:1, - cmap_inverse:1, - cmap_static:1, - unused:29; - - u_int pcr; - u_int pwmr; - u_int lscr1; - u_int dmacr; - - u_char * fixed_screen_cpu; - dma_addr_t fixed_screen_dma; - - void (*lcd_power)(int); - void (*backlight_power)(int); -}; - -void set_imx_fb_info(struct imx_fb_platform_data *); diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c index 9ddd6d061058..07061e644545 100644 --- a/arch/arm/mach-mx2/devices.c +++ b/arch/arm/mach-mx2/devices.c @@ -228,6 +228,39 @@ struct platform_device mxc_nand_device = { .resource = mxc_nand_resources, }; +#ifdef CONFIG_FB_IMX +/* + * lcdc: + * - i.MX1: the basic controller + * - i.MX21: to be checked + * - i.MX27: like i.MX1, with slightly variations + */ +static struct resource mxc_fb[] = { + { + .start = LCDC_BASE_ADDR, + .end = LCDC_BASE_ADDR + 0xFFF, + .flags = IORESOURCE_MEM, + }, + { + .start = MXC_INT_LCDC, + .end = MXC_INT_LCDC, + .flags = IORESOURCE_IRQ, + } +}; + +/* mxc lcd driver */ +struct platform_device mxc_fb_device = { + .name = "imx-fb", + .id = 0, + .num_resources = ARRAY_SIZE(mxc_fb), + .resource = mxc_fb, + .dev = { + .coherent_dma_mask = 0xFFFFFFFF, + }, +}; + +#endif + /* GPIO port description */ static struct mxc_gpio_port imx_gpio_ports[] = { [0] = { diff --git a/arch/arm/mach-mx2/devices.h b/arch/arm/mach-mx2/devices.h index 1e8cb577a642..f4cb0ce29f13 100644 --- a/arch/arm/mach-mx2/devices.h +++ b/arch/arm/mach-mx2/devices.h @@ -1,4 +1,3 @@ - extern struct platform_device mxc_gpt1; extern struct platform_device mxc_gpt2; extern struct platform_device mxc_gpt3; @@ -14,3 +13,4 @@ extern struct platform_device mxc_uart_device4; extern struct platform_device mxc_uart_device5; extern struct platform_device mxc_w1_master_device; extern struct platform_device mxc_nand_device; +extern struct platform_device mxc_fb_device; diff --git a/arch/arm/plat-mxc/include/mach/imxfb.h b/arch/arm/plat-mxc/include/mach/imxfb.h new file mode 100644 index 000000000000..870d0d939616 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/imxfb.h @@ -0,0 +1,83 @@ +/* + * This structure describes the machine which we are running on. + */ + +#define PCR_TFT (1 << 31) +#define PCR_COLOR (1 << 30) +#define PCR_PBSIZ_1 (0 << 28) +#define PCR_PBSIZ_2 (1 << 28) +#define PCR_PBSIZ_4 (2 << 28) +#define PCR_PBSIZ_8 (3 << 28) +#define PCR_BPIX_1 (0 << 25) +#define PCR_BPIX_2 (1 << 25) +#define PCR_BPIX_4 (2 << 25) +#define PCR_BPIX_8 (3 << 25) +#define PCR_BPIX_12 (4 << 25) +#define PCR_BPIX_16 (4 << 25) +#define PCR_PIXPOL (1 << 24) +#define PCR_FLMPOL (1 << 23) +#define PCR_LPPOL (1 << 22) +#define PCR_CLKPOL (1 << 21) +#define PCR_OEPOL (1 << 20) +#define PCR_SCLKIDLE (1 << 19) +#define PCR_END_SEL (1 << 18) +#define PCR_END_BYTE_SWAP (1 << 17) +#define PCR_REV_VS (1 << 16) +#define PCR_ACD_SEL (1 << 15) +#define PCR_ACD(x) (((x) & 0x7f) << 8) +#define PCR_SCLK_SEL (1 << 7) +#define PCR_SHARP (1 << 6) +#define PCR_PCD(x) ((x) & 0x3f) + +#define PWMR_CLS(x) (((x) & 0x1ff) << 16) +#define PWMR_LDMSK (1 << 15) +#define PWMR_SCR1 (1 << 10) +#define PWMR_SCR0 (1 << 9) +#define PWMR_CC_EN (1 << 8) +#define PWMR_PW(x) ((x) & 0xff) + +#define LSCR1_PS_RISE_DELAY(x) (((x) & 0x7f) << 26) +#define LSCR1_CLS_RISE_DELAY(x) (((x) & 0x3f) << 16) +#define LSCR1_REV_TOGGLE_DELAY(x) (((x) & 0xf) << 8) +#define LSCR1_GRAY2(x) (((x) & 0xf) << 4) +#define LSCR1_GRAY1(x) (((x) & 0xf)) + +#define DMACR_BURST (1 << 31) +#define DMACR_HM(x) (((x) & 0xf) << 16) +#define DMACR_TM(x) ((x) & 0xf) + +struct imx_fb_platform_data { + u_long pixclock; + + u_short xres; + u_short yres; + + u_int nonstd; + u_char bpp; + u_char hsync_len; + u_char left_margin; + u_char right_margin; + + u_char vsync_len; + u_char upper_margin; + u_char lower_margin; + u_char sync; + + u_int cmap_greyscale:1, + cmap_inverse:1, + cmap_static:1, + unused:29; + + u_int pcr; + u_int pwmr; + u_int lscr1; + u_int dmacr; + + u_char * fixed_screen_cpu; + dma_addr_t fixed_screen_dma; + + void (*lcd_power)(int); + void (*backlight_power)(int); +}; + +void set_imx_fb_info(struct imx_fb_platform_data *); diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index fb19803060cf..967ac3d359a6 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -397,7 +397,7 @@ config FB_SA1100 config FB_IMX tristate "Motorola i.MX LCD support" - depends on FB && ARM && ARCH_IMX + depends on FB && (ARCH_IMX || ARCH_MX2) select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT