20 static void gx_save_regs(struct gxfb_par *par)  in gx_save_regs()  argument
26 		i = read_gp(par, GP_BLT_STATUS);  in gx_save_regs()
30 	rdmsrl(MSR_GX_MSR_PADSEL, par->msr.padsel);  in gx_save_regs()
31 	rdmsrl(MSR_GLCP_DOTPLL, par->msr.dotpll);  in gx_save_regs()
33 	write_dc(par, DC_UNLOCK, DC_UNLOCK_UNLOCK);  in gx_save_regs()
36 	memcpy(par->gp, par->gp_regs, sizeof(par->gp));  in gx_save_regs()
37 	memcpy(par->dc, par->dc_regs, sizeof(par->dc));  in gx_save_regs()
38 	memcpy(par->vp, par->vid_regs, sizeof(par->vp));  in gx_save_regs()
39 	memcpy(par->fp, par->vid_regs + VP_FP_START, sizeof(par->fp));  in gx_save_regs()
42 	write_dc(par, DC_PAL_ADDRESS, 0);  in gx_save_regs()
43 	for (i = 0; i < ARRAY_SIZE(par->pal); i++)  in gx_save_regs()
44 		par->pal[i] = read_dc(par, DC_PAL_DATA);  in gx_save_regs()
70 static void gx_restore_gfx_proc(struct gxfb_par *par)  in gx_restore_gfx_proc()  argument
74 	for (i = 0; i < ARRAY_SIZE(par->gp); i++) {  in gx_restore_gfx_proc()
83 			write_gp(par, i, par->gp[i]);  in gx_restore_gfx_proc()
88 static void gx_restore_display_ctlr(struct gxfb_par *par)  in gx_restore_display_ctlr()  argument
92 	for (i = 0; i < ARRAY_SIZE(par->dc); i++) {  in gx_restore_display_ctlr()
96 			write_dc(par, DC_UNLOCK, DC_UNLOCK_UNLOCK);  in gx_restore_display_ctlr()
101 			write_dc(par, i, par->dc[i] & ~(DC_GENERAL_CFG_VIDE |  in gx_restore_display_ctlr()
109 			write_dc(par, i, par->dc[i] & ~(DC_DISPLAY_CFG_VDEN |  in gx_restore_display_ctlr()
128 			write_dc(par, i, par->dc[i]);  in gx_restore_display_ctlr()
133 	write_dc(par, DC_PAL_ADDRESS, 0);  in gx_restore_display_ctlr()
134 	for (i = 0; i < ARRAY_SIZE(par->pal); i++)  in gx_restore_display_ctlr()
135 		write_dc(par, DC_PAL_DATA, par->pal[i]);  in gx_restore_display_ctlr()
138 static void gx_restore_video_proc(struct gxfb_par *par)  in gx_restore_video_proc()  argument
142 	wrmsrl(MSR_GX_MSR_PADSEL, par->msr.padsel);  in gx_restore_video_proc()
144 	for (i = 0; i < ARRAY_SIZE(par->vp); i++) {  in gx_restore_video_proc()
148 			write_vp(par, i, par->vp[i] & ~VP_VCFG_VID_EN);  in gx_restore_video_proc()
153 			write_vp(par, i, par->vp[i] &  in gx_restore_video_proc()
170 			write_vp(par, i, par->vp[i]);  in gx_restore_video_proc()
175 static void gx_restore_regs(struct gxfb_par *par)  in gx_restore_regs()  argument
179 	gx_set_dotpll((uint32_t) (par->msr.dotpll >> 32));  in gx_restore_regs()
180 	gx_restore_gfx_proc(par);  in gx_restore_regs()
181 	gx_restore_display_ctlr(par);  in gx_restore_regs()
182 	gx_restore_video_proc(par);  in gx_restore_regs()
185 	for (i = 0; i < ARRAY_SIZE(par->fp); i++) {  in gx_restore_regs()
187 			write_fp(par, i, par->fp[i]);  in gx_restore_regs()
191 static void gx_disable_graphics(struct gxfb_par *par)  in gx_disable_graphics()  argument
194 	write_vp(par, VP_VCFG, par->vp[VP_VCFG] & ~VP_VCFG_VID_EN);  in gx_disable_graphics()
195 	write_vp(par, VP_DCFG, par->vp[VP_DCFG] & ~(VP_DCFG_DAC_BL_EN |  in gx_disable_graphics()
199 	write_fp(par, FP_PM, par->fp[FP_PM] & ~FP_PM_P);  in gx_disable_graphics()
203 	write_dc(par, DC_UNLOCK, DC_UNLOCK_UNLOCK);  in gx_disable_graphics()
204 	write_dc(par, DC_GENERAL_CFG, par->dc[DC_GENERAL_CFG] &  in gx_disable_graphics()
207 	write_dc(par, DC_DISPLAY_CFG, par->dc[DC_DISPLAY_CFG] &  in gx_disable_graphics()
210 	write_dc(par, DC_UNLOCK, DC_UNLOCK_LOCK);  in gx_disable_graphics()
213 static void gx_enable_graphics(struct gxfb_par *par)  in gx_enable_graphics()  argument
217 	fp = read_fp(par, FP_PM);  in gx_enable_graphics()
218 	if (par->fp[FP_PM] & FP_PM_P) {  in gx_enable_graphics()
221 			write_fp(par, FP_PM, par->fp[FP_PM]);  in gx_enable_graphics()
225 			write_fp(par, FP_PM, par->fp[FP_PM]);  in gx_enable_graphics()
229 	write_vp(par, VP_VCFG, par->vp[VP_VCFG]);  in gx_enable_graphics()
230 	write_vp(par, VP_DCFG, par->vp[VP_DCFG]);  in gx_enable_graphics()
231 	write_dc(par, DC_DISPLAY_CFG, par->dc[DC_DISPLAY_CFG]);  in gx_enable_graphics()
233 	write_dc(par, DC_GENERAL_CFG, par->dc[DC_GENERAL_CFG]);  in gx_enable_graphics()
236 	write_dc(par, DC_UNLOCK, DC_UNLOCK_LOCK);  in gx_enable_graphics()
241 	struct gxfb_par *par = info->par;  in gx_powerdown()  local
243 	if (par->powered_down)  in gx_powerdown()
246 	gx_save_regs(par);  in gx_powerdown()
247 	gx_disable_graphics(par);  in gx_powerdown()
249 	par->powered_down = 1;  in gx_powerdown()
255 	struct gxfb_par *par = info->par;  in gx_powerup()  local
257 	if (!par->powered_down)  in gx_powerup()
260 	gx_restore_regs(par);  in gx_powerup()
261 	gx_enable_graphics(par);  in gx_powerup()
263 	par->powered_down  = 0;  in gx_powerup()