1 #ifndef __ATI_RADEON_FB_H
2 #define __ATI_RADEON_FB_H
3 
4 /***************************************************************
5  * Most of the definitions here are adapted right from XFree86 *
6  ***************************************************************/
7 
8 /*
9  * Chip families. Must fit in the low 16 bits of a long word
10  */
11 enum radeon_family {
12 	CHIP_FAMILY_UNKNOW,
13 	CHIP_FAMILY_LEGACY,
14 	CHIP_FAMILY_RADEON,
15 	CHIP_FAMILY_RV100,
16 	CHIP_FAMILY_RS100,    /* U1 (IGP320M) or A3 (IGP320)*/
17 	CHIP_FAMILY_RV200,
18 	CHIP_FAMILY_RS200,    /* U2 (IGP330M/340M/350M) or A4 (IGP330/340/345/350),
19 				 RS250 (IGP 7000) */
20 	CHIP_FAMILY_R200,
21 	CHIP_FAMILY_RV250,
22 	CHIP_FAMILY_RS300,    /* Radeon 9000 IGP */
23 	CHIP_FAMILY_RV280,
24 	CHIP_FAMILY_R300,
25 	CHIP_FAMILY_R350,
26 	CHIP_FAMILY_RV350,
27 	CHIP_FAMILY_RV380,    /* RV370/RV380/M22/M24 */
28 	CHIP_FAMILY_R420,     /* R420/R423/M18 */
29 	CHIP_FAMILY_LAST,
30 };
31 
32 #define IS_RV100_VARIANT(rinfo) (((rinfo)->family == CHIP_FAMILY_RV100)  || \
33 				 ((rinfo)->family == CHIP_FAMILY_RV200)  || \
34 				 ((rinfo)->family == CHIP_FAMILY_RS100)  || \
35 				 ((rinfo)->family == CHIP_FAMILY_RS200)  || \
36 				 ((rinfo)->family == CHIP_FAMILY_RV250)  || \
37 				 ((rinfo)->family == CHIP_FAMILY_RV280)  || \
38 				 ((rinfo)->family == CHIP_FAMILY_RS300))
39 
40 #define IS_R300_VARIANT(rinfo) (((rinfo)->family == CHIP_FAMILY_R300)  || \
41 				((rinfo)->family == CHIP_FAMILY_RV350) || \
42 				((rinfo)->family == CHIP_FAMILY_R350)  || \
43 				((rinfo)->family == CHIP_FAMILY_RV380) || \
44 				((rinfo)->family == CHIP_FAMILY_R420))
45 
46 struct radeonfb_info {
47 	char name[20];
48 
49 	struct pci_device_id	pdev;
50 	u16			family;
51 
52 	u32			fb_base_bus;
53 	u32			mmio_base_bus;
54 
55 	void			*mmio_base;
56 	void			*fb_base;
57 
58 	u32			video_ram;
59 	u32			mapped_vram;
60 	int			vram_width;
61 	int			vram_ddr;
62 
63 	u32			fb_local_base;
64 };
65 
66 #define INREG8(addr)		readb((rinfo->mmio_base)+addr)
67 #define OUTREG8(addr,val)	writeb(val, (rinfo->mmio_base)+addr)
68 #define INREG16(addr)		readw((rinfo->mmio_base)+addr)
69 #define OUTREG16(addr,val)	writew(val, (rinfo->mmio_base)+addr)
70 #define INREG(addr)		readl((rinfo->mmio_base)+addr)
71 #define OUTREG(addr,val)	writel(val, (rinfo->mmio_base)+addr)
72 
73 static inline void _OUTREGP(struct radeonfb_info *rinfo, u32 addr,
74 		       u32 val, u32 mask)
75 {
76 	unsigned int tmp;
77 
78 	tmp = INREG(addr);
79 	tmp &= (mask);
80 	tmp |= (val);
81 	OUTREG(addr, tmp);
82 }
83 
84 #define OUTREGP(addr,val,mask)	_OUTREGP(rinfo, addr, val,mask)
85 
86 /*
87  * 2D Engine helper routines
88  */
89 static inline void radeon_engine_flush (struct radeonfb_info *rinfo)
90 {
91 	int i;
92 
93 	/* initiate flush */
94 	OUTREGP(RB2D_DSTCACHE_CTLSTAT, RB2D_DC_FLUSH_ALL,
95 	        ~RB2D_DC_FLUSH_ALL);
96 
97 	for (i=0; i < 2000000; i++) {
98 		if (!(INREG(RB2D_DSTCACHE_CTLSTAT) & RB2D_DC_BUSY))
99 			return;
100 		udelay(1);
101 	}
102 	printf("radeonfb: Flush Timeout !\n");
103 }
104 
105 static inline void _radeon_fifo_wait(struct radeonfb_info *rinfo, int entries)
106 {
107 	int i;
108 
109 	for (i=0; i<2000000; i++) {
110 		if ((INREG(RBBM_STATUS) & 0x7f) >= entries)
111 			return;
112 		udelay(1);
113 	}
114 	printf("radeonfb: FIFO Timeout !\n");
115 }
116 
117 static inline void _radeon_engine_idle(struct radeonfb_info *rinfo)
118 {
119 	int i;
120 
121 	/* ensure FIFO is empty before waiting for idle */
122 	_radeon_fifo_wait (rinfo, 64);
123 
124 	for (i=0; i<2000000; i++) {
125 		if (((INREG(RBBM_STATUS) & GUI_ACTIVE)) == 0) {
126 			radeon_engine_flush (rinfo);
127 			return;
128 		}
129 		udelay(1);
130 	}
131 	printf("radeonfb: Idle Timeout !\n");
132 }
133 
134 #define radeon_engine_idle()		_radeon_engine_idle(rinfo)
135 #define radeon_fifo_wait(entries)	_radeon_fifo_wait(rinfo,entries)
136 #define radeon_msleep(ms)		_radeon_msleep(rinfo,ms)
137 
138 /*
139  * This structure contains the various registers manipulated by this
140  * driver for setting or restoring a mode. It's mostly copied from
141  * XFree's RADEONSaveRec structure. A few chip settings might still be
142  * tweaked without beeing reflected or saved in these registers though
143  */
144 struct radeon_regs {
145 	/* Common registers */
146 	u32		ovr_clr;
147 	u32		ovr_wid_left_right;
148 	u32		ovr_wid_top_bottom;
149 	u32		ov0_scale_cntl;
150 	u32		mpp_tb_config;
151 	u32		mpp_gp_config;
152 	u32		subpic_cntl;
153 	u32		viph_control;
154 	u32		i2c_cntl_1;
155 	u32		gen_int_cntl;
156 	u32		cap0_trig_cntl;
157 	u32		cap1_trig_cntl;
158 	u32		bus_cntl;
159 	u32		surface_cntl;
160 	u32		bios_5_scratch;
161 
162 	/* Other registers to save for VT switches or driver load/unload */
163 	u32		dp_datatype;
164 	u32		rbbm_soft_reset;
165 	u32		clock_cntl_index;
166 	u32		amcgpio_en_reg;
167 	u32		amcgpio_mask;
168 
169 	/* Surface/tiling registers */
170 	u32		surf_lower_bound[8];
171 	u32		surf_upper_bound[8];
172 	u32		surf_info[8];
173 
174 	/* CRTC registers */
175 	u32		crtc_gen_cntl;
176 	u32		crtc_ext_cntl;
177 	u32		dac_cntl;
178 	u32		crtc_h_total_disp;
179 	u32		crtc_h_sync_strt_wid;
180 	u32		crtc_v_total_disp;
181 	u32		crtc_v_sync_strt_wid;
182 	u32		crtc_offset;
183 	u32		crtc_offset_cntl;
184 	u32		crtc_pitch;
185 	u32		disp_merge_cntl;
186 	u32		grph_buffer_cntl;
187 	u32		crtc_more_cntl;
188 
189 	/* CRTC2 registers */
190 	u32		crtc2_gen_cntl;
191 	u32		dac2_cntl;
192 	u32		disp_output_cntl;
193 	u32		disp_hw_debug;
194 	u32		disp2_merge_cntl;
195 	u32		grph2_buffer_cntl;
196 	u32		crtc2_h_total_disp;
197 	u32		crtc2_h_sync_strt_wid;
198 	u32		crtc2_v_total_disp;
199 	u32		crtc2_v_sync_strt_wid;
200 	u32		crtc2_offset;
201 	u32		crtc2_offset_cntl;
202 	u32		crtc2_pitch;
203 
204 	/* Flat panel regs */
205 	u32		fp_crtc_h_total_disp;
206 	u32		fp_crtc_v_total_disp;
207 	u32		fp_gen_cntl;
208 	u32		fp2_gen_cntl;
209 	u32		fp_h_sync_strt_wid;
210 	u32		fp2_h_sync_strt_wid;
211 	u32		fp_horz_stretch;
212 	u32		fp_panel_cntl;
213 	u32		fp_v_sync_strt_wid;
214 	u32		fp2_v_sync_strt_wid;
215 	u32		fp_vert_stretch;
216 	u32		lvds_gen_cntl;
217 	u32		lvds_pll_cntl;
218 	u32		tmds_crc;
219 	u32		tmds_transmitter_cntl;
220 
221 	/* Computed values for PLL */
222 	u32		dot_clock_freq;
223 	int		feedback_div;
224 	int		post_div;
225 
226 	/* PLL registers */
227 	u32		ppll_div_3;
228 	u32		ppll_ref_div;
229 	u32		vclk_ecp_cntl;
230 	u32		clk_cntl_index;
231 
232 	/* Computed values for PLL2 */
233 	u32		dot_clock_freq_2;
234 	int		feedback_div_2;
235 	int		post_div_2;
236 
237 	/* PLL2 registers */
238 	u32		p2pll_ref_div;
239 	u32		p2pll_div_0;
240 	u32		htotal_cntl2;
241 
242 	/* Palette */
243 	int		palette_valid;
244 };
245 
246 static inline u32 __INPLL(struct radeonfb_info *rinfo, u32 addr)
247 {
248 	u32 data;
249 
250 	OUTREG8(CLOCK_CNTL_INDEX, addr & 0x0000003f);
251 	/* radeon_pll_errata_after_index(rinfo); */
252 	data = INREG(CLOCK_CNTL_DATA);
253 	/* radeon_pll_errata_after_data(rinfo); */
254 	return data;
255 }
256 
257 static inline void __OUTPLL(struct radeonfb_info *rinfo, unsigned int index,
258 			    u32 val)
259 {
260 
261 	OUTREG8(CLOCK_CNTL_INDEX, (index & 0x0000003f) | 0x00000080);
262 	/* radeon_pll_errata_after_index(rinfo); */
263 	OUTREG(CLOCK_CNTL_DATA, val);
264 	/* radeon_pll_errata_after_data(rinfo); */
265 }
266 
267 static inline void __OUTPLLP(struct radeonfb_info *rinfo, unsigned int index,
268 			     u32 val, u32 mask)
269 {
270 	unsigned int tmp;
271 
272 	tmp  = __INPLL(rinfo, index);
273 	tmp &= (mask);
274 	tmp |= (val);
275 	__OUTPLL(rinfo, index, tmp);
276 }
277 
278 #define INPLL(addr)			__INPLL(rinfo, addr)
279 #define OUTPLL(index, val)		__OUTPLL(rinfo, index, val)
280 #define OUTPLLP(index, val, mask)	__OUTPLLP(rinfo, index, val, mask)
281 
282 #endif
283