16 static void gx_save_regs(struct gxfb_par *par)  in gx_save_regs()  argument
22 		i = read_gp(par, GP_BLT_STATUS);  in gx_save_regs()
26 	rdmsrl(MSR_GX_MSR_PADSEL, par->msr.padsel);  in gx_save_regs()
27 	rdmsrl(MSR_GLCP_DOTPLL, par->msr.dotpll);  in gx_save_regs()
29 	write_dc(par, DC_UNLOCK, DC_UNLOCK_UNLOCK);  in gx_save_regs()
32 	memcpy(par->gp, par->gp_regs, sizeof(par->gp));  in gx_save_regs()
33 	memcpy(par->dc, par->dc_regs, sizeof(par->dc));  in gx_save_regs()
34 	memcpy(par->vp, par->vid_regs, sizeof(par->vp));  in gx_save_regs()
35 	memcpy(par->fp, par->vid_regs + VP_FP_START, sizeof(par->fp));  in gx_save_regs()
38 	write_dc(par, DC_PAL_ADDRESS, 0);  in gx_save_regs()
39 	for (i = 0; i < ARRAY_SIZE(par->pal); i++)  in gx_save_regs()
40 		par->pal[i] = read_dc(par, DC_PAL_DATA);  in gx_save_regs()
66 static void gx_restore_gfx_proc(struct gxfb_par *par)  in gx_restore_gfx_proc()  argument
70 	for (i = 0; i < ARRAY_SIZE(par->gp); i++) {  in gx_restore_gfx_proc()
79 			write_gp(par, i, par->gp[i]);  in gx_restore_gfx_proc()
84 static void gx_restore_display_ctlr(struct gxfb_par *par)  in gx_restore_display_ctlr()  argument
88 	for (i = 0; i < ARRAY_SIZE(par->dc); i++) {  in gx_restore_display_ctlr()
92 			write_dc(par, DC_UNLOCK, DC_UNLOCK_UNLOCK);  in gx_restore_display_ctlr()
97 			write_dc(par, i, par->dc[i] & ~(DC_GENERAL_CFG_VIDE |  in gx_restore_display_ctlr()
105 			write_dc(par, i, par->dc[i] & ~(DC_DISPLAY_CFG_VDEN |  in gx_restore_display_ctlr()
124 			write_dc(par, i, par->dc[i]);  in gx_restore_display_ctlr()
129 	write_dc(par, DC_PAL_ADDRESS, 0);  in gx_restore_display_ctlr()
130 	for (i = 0; i < ARRAY_SIZE(par->pal); i++)  in gx_restore_display_ctlr()
131 		write_dc(par, DC_PAL_DATA, par->pal[i]);  in gx_restore_display_ctlr()
134 static void gx_restore_video_proc(struct gxfb_par *par)  in gx_restore_video_proc()  argument
138 	wrmsrl(MSR_GX_MSR_PADSEL, par->msr.padsel);  in gx_restore_video_proc()
140 	for (i = 0; i < ARRAY_SIZE(par->vp); i++) {  in gx_restore_video_proc()
144 			write_vp(par, i, par->vp[i] & ~VP_VCFG_VID_EN);  in gx_restore_video_proc()
149 			write_vp(par, i, par->vp[i] &  in gx_restore_video_proc()
166 			write_vp(par, i, par->vp[i]);  in gx_restore_video_proc()
171 static void gx_restore_regs(struct gxfb_par *par)  in gx_restore_regs()  argument
175 	gx_set_dotpll((uint32_t) (par->msr.dotpll >> 32));  in gx_restore_regs()
176 	gx_restore_gfx_proc(par);  in gx_restore_regs()
177 	gx_restore_display_ctlr(par);  in gx_restore_regs()
178 	gx_restore_video_proc(par);  in gx_restore_regs()
181 	for (i = 0; i < ARRAY_SIZE(par->fp); i++) {  in gx_restore_regs()
183 			write_fp(par, i, par->fp[i]);  in gx_restore_regs()
187 static void gx_disable_graphics(struct gxfb_par *par)  in gx_disable_graphics()  argument
190 	write_vp(par, VP_VCFG, par->vp[VP_VCFG] & ~VP_VCFG_VID_EN);  in gx_disable_graphics()
191 	write_vp(par, VP_DCFG, par->vp[VP_DCFG] & ~(VP_DCFG_DAC_BL_EN |  in gx_disable_graphics()
195 	write_fp(par, FP_PM, par->fp[FP_PM] & ~FP_PM_P);  in gx_disable_graphics()
199 	write_dc(par, DC_UNLOCK, DC_UNLOCK_UNLOCK);  in gx_disable_graphics()
200 	write_dc(par, DC_GENERAL_CFG, par->dc[DC_GENERAL_CFG] &  in gx_disable_graphics()
203 	write_dc(par, DC_DISPLAY_CFG, par->dc[DC_DISPLAY_CFG] &  in gx_disable_graphics()
206 	write_dc(par, DC_UNLOCK, DC_UNLOCK_LOCK);  in gx_disable_graphics()
209 static void gx_enable_graphics(struct gxfb_par *par)  in gx_enable_graphics()  argument
213 	fp = read_fp(par, FP_PM);  in gx_enable_graphics()
214 	if (par->fp[FP_PM] & FP_PM_P) {  in gx_enable_graphics()
217 			write_fp(par, FP_PM, par->fp[FP_PM]);  in gx_enable_graphics()
221 			write_fp(par, FP_PM, par->fp[FP_PM]);  in gx_enable_graphics()
225 	write_vp(par, VP_VCFG, par->vp[VP_VCFG]);  in gx_enable_graphics()
226 	write_vp(par, VP_DCFG, par->vp[VP_DCFG]);  in gx_enable_graphics()
227 	write_dc(par, DC_DISPLAY_CFG, par->dc[DC_DISPLAY_CFG]);  in gx_enable_graphics()
229 	write_dc(par, DC_GENERAL_CFG, par->dc[DC_GENERAL_CFG]);  in gx_enable_graphics()
232 	write_dc(par, DC_UNLOCK, DC_UNLOCK_LOCK);  in gx_enable_graphics()
237 	struct gxfb_par *par = info->par;  in gx_powerdown()  local
239 	if (par->powered_down)  in gx_powerdown()
242 	gx_save_regs(par);  in gx_powerdown()
243 	gx_disable_graphics(par);  in gx_powerdown()
245 	par->powered_down = 1;  in gx_powerdown()
251 	struct gxfb_par *par = info->par;  in gx_powerup()  local
253 	if (!par->powered_down)  in gx_powerup()
256 	gx_restore_regs(par);  in gx_powerup()
257 	gx_enable_graphics(par);  in gx_powerup()
259 	par->powered_down  = 0;  in gx_powerup()