[U-Boot-Users] [PATCH] Extend ATI Radeon driver to support more video modes

Rodolfo Giometti giometti at enneenne.com
Tue Feb 12 09:20:54 CET 2008


On Mon, Feb 11, 2008 at 08:42:08PM +0100, Anatolij Gustschin wrote:
> Adds ATI Radeon 9200 support for 1280x1024, 1024x768,
> 800x600, 640x480 at 24, 16 and 8 bpp. Hope this patch
> won't screw up X300 and X700 support.

Can someone test/check this issue? :)

> Signed-off-by: Anatolij Gustschin <agust at denx.de>
> ---
>  drivers/video/ati_radeon_fb.c |  401 +++++++++++++++++++++++++++++++++++++++--
>  1 files changed, 386 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/video/ati_radeon_fb.c b/drivers/video/ati_radeon_fb.c
> index 0bdaa1c..740a360 100644
> --- a/drivers/video/ati_radeon_fb.c
> +++ b/drivers/video/ati_radeon_fb.c
> @@ -44,6 +44,7 @@
>  #include <asm/io.h>
>  #include <malloc.h>
>  #include <video_fb.h>
> +#include "videomodes.h"
>  
>  #include <radeon.h>
>  #include "ati_ids.h"
> @@ -70,6 +71,7 @@
>  #define PCI_CHIP_RV280_5961		0x5961
>  #define PCI_CHIP_RV280_5962		0x5962
>  #define PCI_CHIP_RV280_5964		0x5964
> +#define PCI_CHIP_RV280_5C63		0x5C63
>  #define PCI_CHIP_RV370_5B60		0x5B60
>  #define PCI_CHIP_RV380_5657		0x5657
>  #define PCI_CHIP_R420_554d		0x554d
> @@ -79,6 +81,7 @@ static struct pci_device_id ati_radeon_pci_ids[] = {
>  	{PCI_VENDOR_ID_ATI, PCI_CHIP_RV280_5961},
>  	{PCI_VENDOR_ID_ATI, PCI_CHIP_RV280_5962},
>  	{PCI_VENDOR_ID_ATI, PCI_CHIP_RV280_5964},
> +	{PCI_VENDOR_ID_ATI, PCI_CHIP_RV280_5C63},
>  	{PCI_VENDOR_ID_ATI, PCI_CHIP_RV370_5B60},
>  	{PCI_VENDOR_ID_ATI, PCI_CHIP_RV380_5657},
>  	{PCI_VENDOR_ID_ATI, PCI_CHIP_R420_554d},
> @@ -90,12 +93,115 @@ static u16 ati_radeon_id_family_table[][2] = {
>  	{PCI_CHIP_RV280_5961, CHIP_FAMILY_RV280},
>  	{PCI_CHIP_RV280_5962, CHIP_FAMILY_RV280},
>  	{PCI_CHIP_RV280_5964, CHIP_FAMILY_RV280},
> +	{PCI_CHIP_RV280_5C63, CHIP_FAMILY_RV280},
>  	{PCI_CHIP_RV370_5B60, CHIP_FAMILY_RV380},
>  	{PCI_CHIP_RV380_5657, CHIP_FAMILY_RV380},
>  	{PCI_CHIP_R420_554d,  CHIP_FAMILY_R420},
>  	{0, 0}
>  };

Are you adding a new board here? If so, please provide a separate
patch.

>  
> +static struct {
> +	unsigned char idx;
> +	unsigned int val;
> +} pal_16[] = {
> +	{0x00, 0x00000000},
> +	{0x00, 0x00000400},
> +	{0x04, 0x00000400},
> +	{0x08, 0x00080c08},
> +	{0x08, 0x00080808},
> +	{0x10, 0x00101410},
> +	{0x0c, 0x00080c08},
> +	{0x18, 0x00181c18},
> +	{0x10, 0x00101010},
> +	{0x20, 0x00202420},
> +	{0x14, 0x00101410},
> +	{0x28, 0x00292c29},
> +	{0x18, 0x00181818},
> +	{0x30, 0x00313431},
> +	{0x1c, 0x00181c18},
> +	{0x38, 0x00393c39},
> +	{0x20, 0x00202020},
> +	{0x40, 0x00414441},
> +	{0x24, 0x00202420},
> +	{0x48, 0x004a4c4a},
> +	{0x28, 0x00292829},
> +	{0x50, 0x00525552},
> +	{0x2c, 0x00292c29},
> +	{0x58, 0x005a5d5a},
> +	{0x30, 0x00313031},
> +	{0x60, 0x00626562},
> +	{0x34, 0x00313431},
> +	{0x68, 0x006a6d6a},
> +	{0x38, 0x00393839},
> +	{0x70, 0x00737573},
> +	{0x3c, 0x00393c39},
> +	{0x78, 0x007b7d7b},
> +	{0x40, 0x00414041},
> +	{0x80, 0x00838583},
> +	{0x44, 0x00414441},
> +	{0x88, 0x008b8d8b},
> +	{0x48, 0x004a484a},
> +	{0x90, 0x00949594},
> +	{0x4c, 0x004a4c4a},
> +	{0x98, 0x009c9d9c},
> +	{0x50, 0x00525052},
> +	{0xa0, 0x00a4a5a4},
> +	{0x54, 0x00525552},
> +	{0xa8, 0x00acaeac},
> +	{0x58, 0x005a595a},
> +	{0xb0, 0x00b4b6b4},
> +	{0x5c, 0x005a5d5a},
> +	{0xb8, 0x00bdbebd},
> +	{0x60, 0x00626162},
> +	{0xc0, 0x00c5c6c5},
> +	{0x64, 0x00626562},
> +	{0xc8, 0x00cdcecd},
> +	{0x68, 0x006a696a},
> +	{0xd0, 0x00d5d6d5},
> +	{0x6c, 0x006a6d6a},
> +	{0xd8, 0x00dedede},
> +	{0x70, 0x00737173},
> +	{0xe0, 0x00e6e6e6},
> +	{0x74, 0x00737573},
> +	{0xe8, 0x00eeeeee},
> +	{0x78, 0x007b797b},
> +	{0xf0, 0x00f6f6f6},
> +	{0x7c, 0x007b7d7b},
> +	{0xf8, 0x00ffffff},
> +	{0x80, 0x00838183},
> +	{0x84, 0x00838583},
> +	{0x88, 0x008b898b},
> +	{0x8c, 0x008b8d8b},
> +	{0x90, 0x00949194},
> +	{0x94, 0x00949594},
> +	{0x98, 0x009c999c},
> +	{0x9c, 0x009c9d9c},
> +	{0xa0, 0x00a4a1a4},
> +	{0xa4, 0x00a4a5a4},
> +	{0xa8, 0x00acaaac},
> +	{0xac, 0x00acaeac},
> +	{0xb0, 0x00b4b2b4},
> +	{0xb4, 0x00b4b6b4},
> +	{0xb8, 0x00bdbabd},
> +	{0xbc, 0x00bdbebd},
> +	{0xc0, 0x00c5c2c5},
> +	{0xc4, 0x00c5c6c5},
> +	{0xc8, 0x00cdcacd},
> +	{0xcc, 0x00cdcecd},
> +	{0xd0, 0x00d5d2d5},
> +	{0xd4, 0x00d5d6d5},
> +	{0xd8, 0x00dedade},
> +	{0xdc, 0x00dedede},
> +	{0xe0, 0x00e6e2e6},
> +	{0xe4, 0x00e6e6e6},
> +	{0xe8, 0x00eeeaee},
> +	{0xec, 0x00eeeeee},
> +	{0xf0, 0x00f6f2f6},
> +	{0xf4, 0x00f6f6f6},
> +	{0xf8, 0x00fffaff},
> +	{0xfc, 0x00ffffff},
> +};
> +
>  u16 get_radeon_id_family(u16 device)
>  {
>  	int i;
> @@ -350,6 +456,196 @@ void radeon_setmode(void)
>  	radeon_write_pll_regs(rinfo, mode);
>  }
>  
> +static void set_pal_16(void)
> +{
> +	int i;
> +
> +	for (i = 0; i < 96; i++) {
> +		OUTREG8(PALETTE_INDEX, pal_16[i].idx);
> +		OUTREG(PALETTE_DATA, pal_16[i].val);
> +	}
> +}
> +
> +static void set_pal_24(void)
> +{
> +	int idx, val = 0;
> +
> +	for (idx = 0; idx < 256; idx++) {
> +		OUTREG8(PALETTE_INDEX, idx);
> +		OUTREG(PALETTE_DATA, val);
> +		val += 0x00010101;
> +	}
> +}
> +
> +void radeon_setmode_9200(int vesa_idx, int bpp)
> +{
> +	struct radeon_regs *mode = malloc(sizeof(struct radeon_regs));
> +	unsigned long dp_gm_cntl;
> +
> +	mode->crtc_gen_cntl = 0x03000600;
> +	mode->surface_cntl = 0x00a00000;
> +	dp_gm_cntl = 0x100036d2;
> +	mode->crtc_ext_cntl = 0x00008048;
> +	mode->dac_cntl = 0xff002102;
> +	mode->crtc_offset_cntl = 0x00008000;
> +
> +	if (bpp == 16) {
> +		mode->crtc_gen_cntl = 0x03000400;
> +		dp_gm_cntl = 0x100034d2;
> +		mode->surface_cntl = 0x00500000;
> +	} else if (bpp == 8) {
> +		mode->crtc_gen_cntl = 0x03000200;
> +		dp_gm_cntl = 0x100032d2;
> +		mode->surface_cntl = 0x00000000;
> +	}
> +
> +	if (vesa_idx == RES_MODE_640x480 && bpp == 8) {
> +		mode->dac_cntl = 0xff002100;
> +		mode->crtc_offset_cntl = 0x00000000;
> +	}
> +
> +	switch (vesa_idx) {
> +	case RES_MODE_1280x1024:
> +#if 1 /* @ 60 Hz */
> +		mode->crtc_h_total_disp = 0x009f00d2;
> +		mode->crtc_h_sync_strt_wid = 0x000e0528;
> +		mode->crtc_v_total_disp = 0x03ff0429;
> +		mode->crtc_v_sync_strt_wid = 0x00030400;
> +		mode->crtc_pitch = 0x00a000a0;
> +		mode->ppll_div_3 = 0x00010060;
> +#else /* @ 75 Hz */
> +		mode->crtc_h_total_disp = 0x009f00d2;
> +		mode->crtc_h_sync_strt_wid = 0x00120508;
> +		mode->crtc_v_total_disp = 0x03ff0429;
> +		mode->crtc_v_sync_strt_wid = 0x00030400;
> +		mode->crtc_pitch = 0x00a000a0;
> +		mode->ppll_div_3 = 0x00010078;
> +#endif

Mmm... better adding a configuration define here or just remove the
unused code.

> +		switch (bpp) {
> +		case 24:
> +			mode->surf_info[0] = 0x00a10140;
> +			mode->surf_upper_bound[0] = 0x004fffff;
> +			break;
> +		case 16:
> +			mode->surf_info[0] = 0x005100a0;
> +			mode->surf_upper_bound[0] = 0x0027ffff;
> +			break;
> +		default: /* 8 bpp */
> +			mode->surf_info[0] = 0x00010050;
> +			mode->surf_upper_bound[0] = 0x0013ffff;
> +			break;
> +		}
> +		break;
> +	case RES_MODE_1024x768:
> +#if 1 /* @ 60 Hz */
> +		mode->crtc_h_total_disp = 0x007f00a7;
> +		mode->crtc_h_sync_strt_wid = 0x00910410;
> +		mode->crtc_v_total_disp = 0x02ff0325;
> +		mode->crtc_v_sync_strt_wid = 0x00860302;
> +		mode->crtc_pitch = 0x00800080;
> +		mode->ppll_div_3 = 0x00020074;
> +#else /* @ 75 Hz */
> +		mode->crtc_h_total_disp = 0x007f00a3;
> +		mode->crtc_h_sync_strt_wid = 0x000c0408;
> +		mode->crtc_v_total_disp = 0x02ff031f;
> +		mode->crtc_v_sync_strt_wid = 0x00030300;
> +		mode->crtc_pitch = 0x00800080;
> +		mode->ppll_div_3 = 0x0002008c;
> +#endif

Ditto.

> +		switch (bpp) {
> +		case 24:
> +			mode->surf_info[0] = 0x00a10100;
> +			mode->surf_upper_bound[0] = 0x002fffff;
> +			break;
> +		case 16:
> +			mode->surf_info[0] = 0x00510080;
> +			mode->surf_upper_bound[0] = 0x0017ffff;
> +			break;
> +		default: /* 8 bpp */
> +			mode->surf_info[0] = 0x00010040;
> +			mode->surf_upper_bound[0] = 0x000bffff;
> +			break;
> +		}
> +		break;
> +	case RES_MODE_800x600:
> +		mode->crtc_h_total_disp = 0x00630083;
> +		mode->crtc_h_sync_strt_wid = 0x00100340;
> +		mode->crtc_v_total_disp = 0x02570273;
> +		mode->crtc_v_sync_strt_wid = 0x00040258;
> +		mode->ppll_div_3 = 0x0003008e;
> +		switch (bpp) {
> +		case 24:
> +			mode->crtc_pitch = 0x00680068;
> +			mode->surf_info[0] = 0x00a100d0;
> +			mode->surf_upper_bound[0] = 0x001edfff;
> +			break;
> +		case 16:
> +			mode->crtc_pitch = 0x00700070;
> +			mode->surf_info[0] = 0x00510070;
> +			mode->surf_upper_bound[0] = 0x00109fff;
> +			break;
> +		default: /* 8 bpp */
> +			mode->crtc_pitch = 0x00800080;
> +			mode->surf_info[0] = 0x00010040;
> +			mode->surf_upper_bound[0] = 0x00097fff;
> +			break;
> +		}
> +		break;
> +	default: /* RES_MODE_640x480 */
> +		mode->crtc_h_total_disp = 0x4f0063;
> +		mode->crtc_h_sync_strt_wid = 0x8c02a2;
> +		mode->crtc_v_total_disp = 0x01df020c;
> +		mode->crtc_v_sync_strt_wid = 0x8201ea;
> +		mode->crtc_pitch = 0x00500050;
> +		mode->ppll_div_3 = 0x00030059;
> +		switch (bpp) {
> +		case 24:
> +			mode->surf_info[0] = 0x00a100a0;
> +			mode->surf_upper_bound[0] = 0x0012bfff;
> +			break;
> +		case 16:
> +			mode->surf_info[0] = 0x00510050;
> +			mode->surf_upper_bound[0] = 0x00095fff;
> +			break;
> +		default: /* 8 bpp */
> +			break;
> +		}
> +		break;
> +	}
> +
> +	OUTREG(CRTC_GEN_CNTL, mode->crtc_gen_cntl);
> +	OUTREGP(CRTC_EXT_CNTL, mode->crtc_ext_cntl,
> +		~(CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS));
> +	OUTREGP(DAC_CNTL, mode->dac_cntl, DAC_RANGE_CNTL | DAC_BLANKING);
> +	OUTREG(CRTC_H_TOTAL_DISP, mode->crtc_h_total_disp);
> +	OUTREG(CRTC_H_SYNC_STRT_WID, mode->crtc_h_sync_strt_wid);
> +	OUTREG(CRTC_V_TOTAL_DISP, mode->crtc_v_total_disp);
> +	OUTREG(CRTC_V_SYNC_STRT_WID, mode->crtc_v_sync_strt_wid);
> +	OUTREG(CRTC_OFFSET, 0);
> +	OUTREG(CRTC_OFFSET_CNTL, mode->crtc_offset_cntl);
> +	OUTREG(CRTC_PITCH, mode->crtc_pitch);
> +
> +	mode->clk_cntl_index = 0x300;
> +	mode->ppll_ref_div = 0xc;
> +
> +	radeon_write_pll_regs(rinfo, mode);
> +
> +	OUTREG(SURFACE0_INFO, mode->surf_info[0]);
> +	OUTREG(SURFACE0_LOWER_BOUND, 0);
> +	OUTREG(SURFACE0_UPPER_BOUND, mode->surf_upper_bound[0]);
> +	OUTREG(SURFACE_CNTL, mode->surface_cntl);
> +
> +	OUTREG(DP_GUI_MASTER_CNTL, dp_gm_cntl);
> +	OUTREG(0x0000325c, 0x0000000f);
> +
> +	if (bpp == 24)
> +		set_pal_24();
> +	else if (bpp == 16)
> +		set_pal_16();
> +
> +	free(mode);
> +}
> +
>  #include "../bios_emulator/include/biosemu.h"
>  extern int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo ** pVGAInfo, int cleanUp);
>  
> @@ -421,29 +717,101 @@ GraphicDevice ctfb;
>  void *video_hw_init(void)
>  {
>  	GraphicDevice *pGD = (GraphicDevice *) & ctfb;
> -	int i;
>  	u32 *vm;
> +	char *penv;
> +	unsigned long t1, hsynch, vsynch;
> +	int bits_per_pixel, i, tmp, vesa_idx = 0, videomode;
> +	struct ctfb_res_modes *res_mode;
> +	struct ctfb_res_modes var_mode;
>  
>  	rinfo = malloc(sizeof(struct radeonfb_info));
>  
> +	printf("Video: ");
>  	if(radeon_probe(rinfo)) {
>  		printf("No radeon video card found!\n");
>  		return NULL;
>  	}
>  
> -	/* fill in Graphic device struct */
> -	sprintf (pGD->modeIdent, "%dx%dx%d %ldkHz %ldHz", 640,
> -		 480, 16, (1000 / 1000),
> -		 (2000 / 1000));
> -	printf ("%s\n", pGD->modeIdent);
> +	tmp = 0;
> +
> +	videomode = CFG_DEFAULT_VIDEO_MODE;
> +	/* get video mode via environment */
> +	if ((penv = getenv ("videomode")) != NULL) {
> +		/* deceide if it is a string */
> +		if (penv[0] <= '9') {
> +			videomode = (int) simple_strtoul (penv, NULL, 16);
> +			tmp = 1;
> +		}
> +	} else {
> +		tmp = 1;
> +	}
> +	if (tmp) {
> +		/* parameter are vesa modes */
> +		/* search params */
> +		for (i = 0; i < VESA_MODES_COUNT; i++) {
> +			if (vesa_modes[i].vesanr == videomode)
> +				break;
> +		}
> +		if (i == VESA_MODES_COUNT) {
> +			printf ("no VESA Mode found, switching to mode 0x%x ", CFG_DEFAULT_VIDEO_MODE);
> +			i = 0;
> +		}
> +		res_mode = (struct ctfb_res_modes *) &res_mode_init[vesa_modes[i].resindex];
> +		bits_per_pixel = vesa_modes[i].bits_per_pixel;
> +		vesa_idx = vesa_modes[i].resindex;
> +	} else {
> +		res_mode = (struct ctfb_res_modes *) &var_mode;
> +		bits_per_pixel = video_get_params (res_mode, penv);
> +	}
>  
> -	pGD->winSizeX = 640;
> -	pGD->winSizeY = 480;
> -	pGD->plnSizeX = 640;
> -	pGD->plnSizeY = 480;
> +	/* calculate hsynch and vsynch freq (info only) */
> +	t1 = (res_mode->left_margin + res_mode->xres +
> +	      res_mode->right_margin + res_mode->hsync_len) / 8;
> +	t1 *= 8;
> +	t1 *= res_mode->pixclock;
> +	t1 /= 1000;
> +	hsynch = 1000000000L / t1;
> +	t1 *= (res_mode->upper_margin + res_mode->yres +
> +	       res_mode->lower_margin + res_mode->vsync_len);
> +	t1 /= 1000;
> +	vsynch = 1000000000L / t1;
>  
> -	pGD->gdfBytesPP = 1;
> -	pGD->gdfIndex = GDF__8BIT_INDEX;
> +	/* fill in Graphic device struct */
> +	sprintf (pGD->modeIdent, "%dx%dx%d %ldkHz %ldHz", res_mode->xres,
> +		 res_mode->yres, bits_per_pixel, (hsynch / 1000),
> +		 (vsynch / 1000));
> +	printf ("%s\n", pGD->modeIdent);
> +	pGD->winSizeX = res_mode->xres;
> +	pGD->winSizeY = res_mode->yres;
> +	pGD->plnSizeX = res_mode->xres;
> +	pGD->plnSizeY = res_mode->yres;
> +
> +	switch (bits_per_pixel) {
> +	case 24:
> +		pGD->gdfBytesPP = 4;
> +		pGD->gdfIndex = GDF_32BIT_X888RGB;
> +		if (res_mode->xres == 800) {
> +			pGD->winSizeX = 832;
> +			pGD->plnSizeX = 832;
> +		}
> +		break;
> +	case 16:
> +		pGD->gdfBytesPP = 2;
> +		pGD->gdfIndex = GDF_16BIT_565RGB;
> +		if (res_mode->xres == 800) {
> +			pGD->winSizeX = 896;
> +			pGD->plnSizeX = 896;
> +		}
> +		break;
> +	default:
> +		if (res_mode->xres == 800) {
> +			pGD->winSizeX = 1024;
> +			pGD->plnSizeX = 1024;
> +		}
> +		pGD->gdfBytesPP = 1;
> +		pGD->gdfIndex = GDF__8BIT_INDEX;
> +		break;
> +	}
>  
>  	pGD->isaBase = CFG_ISA_IO_BASE_ADDRESS;
>  	pGD->pciBase = rinfo->fb_base_phys;
> @@ -464,14 +832,17 @@ void *video_hw_init(void)
>  	pGD->cprBase = rinfo->fb_base_phys;	/* Dummy */
>  	/* set up Hardware */
>  
> -	/* Clear video memory */
> -	i = pGD->memSize / 4;
> +	/* Clear video memory (only visible screen area) */
> +	i = pGD->winSizeX * pGD->winSizeY * pGD->gdfBytesPP / 4;
>  	vm = (unsigned int *) pGD->pciBase;
>  	while (i--)
>  		*vm++ = 0;
>  	/*SetDrawingEngine (bits_per_pixel);*/
>  
> -	radeon_setmode();
> +	if (rinfo->family == CHIP_FAMILY_RV280)
> +		radeon_setmode_9200(vesa_idx, bits_per_pixel);
> +	else
> +		radeon_setmode();
>  
>  	return ((void *) pGD);
>  }
> -- 
> 1.5.3.3

Suggestion: your patch is filled by several magic numbers, maybe
adding some defines can improve its readability. :)

Ciao,

Rodolfo

-- 

GNU/Linux Solutions                  e-mail:    giometti at enneenne.com
Linux Device Driver                             giometti at gnudd.com
Embedded Systems                     		giometti at linux.it
UNIX programming                     phone:     +39 349 2432127




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