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https://github.com/AsahiLinux/u-boot
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282 lines
6.7 KiB
C
282 lines
6.7 KiB
C
#ifndef __ATI_RADEON_FB_H
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#define __ATI_RADEON_FB_H
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/***************************************************************
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* Most of the definitions here are adapted right from XFree86 *
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***************************************************************/
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/*
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* Chip families. Must fit in the low 16 bits of a long word
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*/
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enum radeon_family {
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CHIP_FAMILY_UNKNOW,
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CHIP_FAMILY_LEGACY,
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CHIP_FAMILY_RADEON,
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CHIP_FAMILY_RV100,
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CHIP_FAMILY_RS100, /* U1 (IGP320M) or A3 (IGP320)*/
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CHIP_FAMILY_RV200,
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CHIP_FAMILY_RS200, /* U2 (IGP330M/340M/350M) or A4 (IGP330/340/345/350),
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RS250 (IGP 7000) */
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CHIP_FAMILY_R200,
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CHIP_FAMILY_RV250,
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CHIP_FAMILY_RS300, /* Radeon 9000 IGP */
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CHIP_FAMILY_RV280,
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CHIP_FAMILY_R300,
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CHIP_FAMILY_R350,
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CHIP_FAMILY_RV350,
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CHIP_FAMILY_RV380, /* RV370/RV380/M22/M24 */
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CHIP_FAMILY_R420, /* R420/R423/M18 */
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CHIP_FAMILY_LAST,
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};
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#define IS_RV100_VARIANT(rinfo) (((rinfo)->family == CHIP_FAMILY_RV100) || \
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((rinfo)->family == CHIP_FAMILY_RV200) || \
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((rinfo)->family == CHIP_FAMILY_RS100) || \
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((rinfo)->family == CHIP_FAMILY_RS200) || \
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((rinfo)->family == CHIP_FAMILY_RV250) || \
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((rinfo)->family == CHIP_FAMILY_RV280) || \
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((rinfo)->family == CHIP_FAMILY_RS300))
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#define IS_R300_VARIANT(rinfo) (((rinfo)->family == CHIP_FAMILY_R300) || \
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((rinfo)->family == CHIP_FAMILY_RV350) || \
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((rinfo)->family == CHIP_FAMILY_R350) || \
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((rinfo)->family == CHIP_FAMILY_RV380) || \
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((rinfo)->family == CHIP_FAMILY_R420))
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struct radeonfb_info {
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char name[20];
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struct pci_device_id pdev;
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u16 family;
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u32 fb_base_phys;
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u32 mmio_base_phys;
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void *mmio_base;
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void *fb_base;
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u32 video_ram;
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u32 mapped_vram;
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int vram_width;
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int vram_ddr;
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u32 fb_local_base;
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};
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#define INREG8(addr) readb((rinfo->mmio_base)+addr)
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#define OUTREG8(addr,val) writeb(val, (rinfo->mmio_base)+addr)
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#define INREG16(addr) readw((rinfo->mmio_base)+addr)
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#define OUTREG16(addr,val) writew(val, (rinfo->mmio_base)+addr)
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#define INREG(addr) readl((rinfo->mmio_base)+addr)
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#define OUTREG(addr,val) writel(val, (rinfo->mmio_base)+addr)
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static inline void _OUTREGP(struct radeonfb_info *rinfo, u32 addr,
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u32 val, u32 mask)
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{
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unsigned int tmp;
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tmp = INREG(addr);
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tmp &= (mask);
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tmp |= (val);
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OUTREG(addr, tmp);
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}
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#define OUTREGP(addr,val,mask) _OUTREGP(rinfo, addr, val,mask)
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/*
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* 2D Engine helper routines
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*/
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static inline void radeon_engine_flush (struct radeonfb_info *rinfo)
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{
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int i;
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/* initiate flush */
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OUTREGP(RB2D_DSTCACHE_CTLSTAT, RB2D_DC_FLUSH_ALL,
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~RB2D_DC_FLUSH_ALL);
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for (i=0; i < 2000000; i++) {
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if (!(INREG(RB2D_DSTCACHE_CTLSTAT) & RB2D_DC_BUSY))
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return;
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udelay(1);
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}
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printf("radeonfb: Flush Timeout !\n");
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}
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static inline void _radeon_fifo_wait(struct radeonfb_info *rinfo, int entries)
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{
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int i;
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for (i=0; i<2000000; i++) {
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if ((INREG(RBBM_STATUS) & 0x7f) >= entries)
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return;
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udelay(1);
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}
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printf("radeonfb: FIFO Timeout !\n");
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}
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static inline void _radeon_engine_idle(struct radeonfb_info *rinfo)
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{
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int i;
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/* ensure FIFO is empty before waiting for idle */
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_radeon_fifo_wait (rinfo, 64);
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for (i=0; i<2000000; i++) {
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if (((INREG(RBBM_STATUS) & GUI_ACTIVE)) == 0) {
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radeon_engine_flush (rinfo);
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return;
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}
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udelay(1);
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}
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printf("radeonfb: Idle Timeout !\n");
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}
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#define radeon_engine_idle() _radeon_engine_idle(rinfo)
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#define radeon_fifo_wait(entries) _radeon_fifo_wait(rinfo,entries)
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#define radeon_msleep(ms) _radeon_msleep(rinfo,ms)
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/*
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* This structure contains the various registers manipulated by this
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* driver for setting or restoring a mode. It's mostly copied from
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* XFree's RADEONSaveRec structure. A few chip settings might still be
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* tweaked without beeing reflected or saved in these registers though
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*/
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struct radeon_regs {
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/* Common registers */
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u32 ovr_clr;
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u32 ovr_wid_left_right;
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u32 ovr_wid_top_bottom;
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u32 ov0_scale_cntl;
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u32 mpp_tb_config;
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u32 mpp_gp_config;
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u32 subpic_cntl;
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u32 viph_control;
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u32 i2c_cntl_1;
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u32 gen_int_cntl;
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u32 cap0_trig_cntl;
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u32 cap1_trig_cntl;
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u32 bus_cntl;
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u32 surface_cntl;
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u32 bios_5_scratch;
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/* Other registers to save for VT switches or driver load/unload */
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u32 dp_datatype;
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u32 rbbm_soft_reset;
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u32 clock_cntl_index;
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u32 amcgpio_en_reg;
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u32 amcgpio_mask;
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/* Surface/tiling registers */
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u32 surf_lower_bound[8];
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u32 surf_upper_bound[8];
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u32 surf_info[8];
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/* CRTC registers */
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u32 crtc_gen_cntl;
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u32 crtc_ext_cntl;
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u32 dac_cntl;
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u32 crtc_h_total_disp;
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u32 crtc_h_sync_strt_wid;
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u32 crtc_v_total_disp;
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u32 crtc_v_sync_strt_wid;
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u32 crtc_offset;
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u32 crtc_offset_cntl;
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u32 crtc_pitch;
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u32 disp_merge_cntl;
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u32 grph_buffer_cntl;
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u32 crtc_more_cntl;
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/* CRTC2 registers */
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u32 crtc2_gen_cntl;
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u32 dac2_cntl;
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u32 disp_output_cntl;
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u32 disp_hw_debug;
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u32 disp2_merge_cntl;
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u32 grph2_buffer_cntl;
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u32 crtc2_h_total_disp;
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u32 crtc2_h_sync_strt_wid;
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u32 crtc2_v_total_disp;
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u32 crtc2_v_sync_strt_wid;
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u32 crtc2_offset;
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u32 crtc2_offset_cntl;
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u32 crtc2_pitch;
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/* Flat panel regs */
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u32 fp_crtc_h_total_disp;
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u32 fp_crtc_v_total_disp;
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u32 fp_gen_cntl;
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u32 fp2_gen_cntl;
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u32 fp_h_sync_strt_wid;
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u32 fp2_h_sync_strt_wid;
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u32 fp_horz_stretch;
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u32 fp_panel_cntl;
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u32 fp_v_sync_strt_wid;
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u32 fp2_v_sync_strt_wid;
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u32 fp_vert_stretch;
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u32 lvds_gen_cntl;
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u32 lvds_pll_cntl;
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u32 tmds_crc;
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u32 tmds_transmitter_cntl;
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/* Computed values for PLL */
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u32 dot_clock_freq;
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int feedback_div;
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int post_div;
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/* PLL registers */
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u32 ppll_div_3;
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u32 ppll_ref_div;
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u32 vclk_ecp_cntl;
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u32 clk_cntl_index;
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/* Computed values for PLL2 */
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u32 dot_clock_freq_2;
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int feedback_div_2;
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int post_div_2;
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/* PLL2 registers */
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u32 p2pll_ref_div;
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u32 p2pll_div_0;
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u32 htotal_cntl2;
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/* Palette */
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int palette_valid;
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};
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static inline u32 __INPLL(struct radeonfb_info *rinfo, u32 addr)
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{
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u32 data;
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OUTREG8(CLOCK_CNTL_INDEX, addr & 0x0000003f);
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/* radeon_pll_errata_after_index(rinfo); */
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data = INREG(CLOCK_CNTL_DATA);
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/* radeon_pll_errata_after_data(rinfo); */
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return data;
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}
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static inline void __OUTPLL(struct radeonfb_info *rinfo, unsigned int index,
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u32 val)
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{
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OUTREG8(CLOCK_CNTL_INDEX, (index & 0x0000003f) | 0x00000080);
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/* radeon_pll_errata_after_index(rinfo); */
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OUTREG(CLOCK_CNTL_DATA, val);
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/* radeon_pll_errata_after_data(rinfo); */
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}
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static inline void __OUTPLLP(struct radeonfb_info *rinfo, unsigned int index,
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u32 val, u32 mask)
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{
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unsigned int tmp;
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tmp = __INPLL(rinfo, index);
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tmp &= (mask);
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tmp |= (val);
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__OUTPLL(rinfo, index, tmp);
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}
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#define INPLL(addr) __INPLL(rinfo, addr)
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#define OUTPLL(index, val) __OUTPLL(rinfo, index, val)
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#define OUTPLLP(index, val, mask) __OUTPLLP(rinfo, index, val, mask)
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#endif
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