drivers/ati_radeon_fb.h

   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_phys;
  53         u32                     mmio_base_phys;
  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