1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2012 Russell King 4 * Rewritten from the dovefb driver, and Armada510 manuals. 5 */ 6 #ifndef ARMADA_HW_H 7 #define ARMADA_HW_H 8 9 /* 10 * Note: the following registers are written from IRQ context: 11 * LCD_SPU_V_PORCH, LCD_SPU_ADV_REG, LCD_SPUT_V_H_TOTAL 12 * LCD_SPU_DMA_START_ADDR_[YUV][01], LCD_SPU_DMA_PITCH_YC, 13 * LCD_SPU_DMA_PITCH_UV, LCD_SPU_DMA_OVSA_HPXL_VLN, 14 * LCD_SPU_DMA_HPXL_VLN, LCD_SPU_DZM_HPXL_VLN, LCD_SPU_DMA_CTRL0 15 */ 16 enum { 17 LCD_SPU_ADV_REG = 0x0084, /* Armada 510 */ 18 LCD_SPU_DMA_START_ADDR_Y0 = 0x00c0, 19 LCD_SPU_DMA_START_ADDR_U0 = 0x00c4, 20 LCD_SPU_DMA_START_ADDR_V0 = 0x00c8, 21 LCD_CFG_DMA_START_ADDR_0 = 0x00cc, 22 LCD_SPU_DMA_START_ADDR_Y1 = 0x00d0, 23 LCD_SPU_DMA_START_ADDR_U1 = 0x00d4, 24 LCD_SPU_DMA_START_ADDR_V1 = 0x00d8, 25 LCD_CFG_DMA_START_ADDR_1 = 0x00dc, 26 LCD_SPU_DMA_PITCH_YC = 0x00e0, 27 LCD_SPU_DMA_PITCH_UV = 0x00e4, 28 LCD_SPU_DMA_OVSA_HPXL_VLN = 0x00e8, 29 LCD_SPU_DMA_HPXL_VLN = 0x00ec, 30 LCD_SPU_DZM_HPXL_VLN = 0x00f0, 31 LCD_CFG_GRA_START_ADDR0 = 0x00f4, 32 LCD_CFG_GRA_START_ADDR1 = 0x00f8, 33 LCD_CFG_GRA_PITCH = 0x00fc, 34 LCD_SPU_GRA_OVSA_HPXL_VLN = 0x0100, 35 LCD_SPU_GRA_HPXL_VLN = 0x0104, 36 LCD_SPU_GZM_HPXL_VLN = 0x0108, 37 LCD_SPU_HWC_OVSA_HPXL_VLN = 0x010c, 38 LCD_SPU_HWC_HPXL_VLN = 0x0110, 39 LCD_SPUT_V_H_TOTAL = 0x0114, 40 LCD_SPU_V_H_ACTIVE = 0x0118, 41 LCD_SPU_H_PORCH = 0x011c, 42 LCD_SPU_V_PORCH = 0x0120, 43 LCD_SPU_BLANKCOLOR = 0x0124, 44 LCD_SPU_ALPHA_COLOR1 = 0x0128, 45 LCD_SPU_ALPHA_COLOR2 = 0x012c, 46 LCD_SPU_COLORKEY_Y = 0x0130, 47 LCD_SPU_COLORKEY_U = 0x0134, 48 LCD_SPU_COLORKEY_V = 0x0138, 49 LCD_CFG_RDREG4F = 0x013c, /* Armada 510 */ 50 LCD_SPU_SPI_RXDATA = 0x0140, 51 LCD_SPU_ISA_RXDATA = 0x0144, 52 LCD_SPU_HWC_RDDAT = 0x0158, 53 LCD_SPU_GAMMA_RDDAT = 0x015c, 54 LCD_SPU_PALETTE_RDDAT = 0x0160, 55 LCD_SPU_IOPAD_IN = 0x0178, 56 LCD_CFG_RDREG5F = 0x017c, 57 LCD_SPU_SPI_CTRL = 0x0180, 58 LCD_SPU_SPI_TXDATA = 0x0184, 59 LCD_SPU_SMPN_CTRL = 0x0188, 60 LCD_SPU_DMA_CTRL0 = 0x0190, 61 LCD_SPU_DMA_CTRL1 = 0x0194, 62 LCD_SPU_SRAM_CTRL = 0x0198, 63 LCD_SPU_SRAM_WRDAT = 0x019c, 64 LCD_SPU_SRAM_PARA0 = 0x01a0, /* Armada 510 */ 65 LCD_SPU_SRAM_PARA1 = 0x01a4, 66 LCD_CFG_SCLK_DIV = 0x01a8, 67 LCD_SPU_CONTRAST = 0x01ac, 68 LCD_SPU_SATURATION = 0x01b0, 69 LCD_SPU_CBSH_HUE = 0x01b4, 70 LCD_SPU_DUMB_CTRL = 0x01b8, 71 LCD_SPU_IOPAD_CONTROL = 0x01bc, 72 LCD_SPU_IRQ_ENA = 0x01c0, 73 LCD_SPU_IRQ_ISR = 0x01c4, 74 }; 75 76 /* For LCD_SPU_ADV_REG */ 77 enum { 78 ADV_VSYNC_L_OFF = 0xfff << 20, 79 ADV_GRACOLORKEY = 1 << 19, 80 ADV_VIDCOLORKEY = 1 << 18, 81 ADV_HWC32BLEND = 1 << 15, 82 ADV_HWC32ARGB = 1 << 14, 83 ADV_HWC32ENABLE = 1 << 13, 84 ADV_VSYNCOFFEN = 1 << 12, 85 ADV_VSYNC_H_OFF = 0xfff << 0, 86 }; 87 88 enum { 89 CFG_565 = 0, 90 CFG_1555 = 1, 91 CFG_888PACK = 2, 92 CFG_X888 = 3, 93 CFG_8888 = 4, 94 CFG_422PACK = 5, 95 CFG_422 = 6, 96 CFG_420 = 7, 97 CFG_PSEUDO4 = 9, 98 CFG_PSEUDO8 = 10, 99 CFG_SWAPRB = 1 << 4, 100 CFG_SWAPUV = 1 << 3, 101 CFG_SWAPYU = 1 << 2, 102 CFG_YUV2RGB = 1 << 1, 103 }; 104 105 /* For LCD_SPU_DMA_CTRL0 */ 106 enum { 107 CFG_NOBLENDING = 1 << 31, 108 CFG_GAMMA_ENA = 1 << 30, 109 CFG_CBSH_ENA = 1 << 29, 110 CFG_PALETTE_ENA = 1 << 28, 111 CFG_ARBFAST_ENA = 1 << 27, 112 CFG_HWC_1BITMOD = 1 << 26, 113 CFG_HWC_1BITENA = 1 << 25, 114 CFG_HWC_ENA = 1 << 24, 115 CFG_DMAFORMAT = 0xf << 20, 116 #define CFG_DMA_FMT(x) ((x) << 20) 117 CFG_GRAFORMAT = 0xf << 16, 118 #define CFG_GRA_FMT(x) ((x) << 16) 119 #define CFG_GRA_MOD(x) ((x) << 8) 120 CFG_GRA_FTOGGLE = 1 << 15, 121 CFG_GRA_HSMOOTH = 1 << 14, 122 CFG_GRA_TSTMODE = 1 << 13, 123 CFG_GRA_ENA = 1 << 8, 124 #define CFG_DMA_MOD(x) ((x) << 0) 125 CFG_DMA_FTOGGLE = 1 << 7, 126 CFG_DMA_HSMOOTH = 1 << 6, 127 CFG_DMA_TSTMODE = 1 << 5, 128 CFG_DMA_ENA = 1 << 0, 129 }; 130 131 enum { 132 CKMODE_DISABLE = 0, 133 CKMODE_Y = 1, 134 CKMODE_U = 2, 135 CKMODE_RGB = 3, 136 CKMODE_V = 4, 137 CKMODE_R = 5, 138 CKMODE_G = 6, 139 CKMODE_B = 7, 140 }; 141 142 /* For LCD_SPU_DMA_CTRL1 */ 143 enum { 144 CFG_FRAME_TRIG = 1 << 31, 145 CFG_VSYNC_INV = 1 << 27, 146 CFG_CKMODE_MASK = 0x7 << 24, 147 #define CFG_CKMODE(x) ((x) << 24) 148 CFG_CARRY = 1 << 23, 149 CFG_GATED_CLK = 1 << 21, 150 CFG_PWRDN_ENA = 1 << 20, 151 CFG_DSCALE_MASK = 0x3 << 18, 152 CFG_DSCALE_NONE = 0x0 << 18, 153 CFG_DSCALE_HALF = 0x1 << 18, 154 CFG_DSCALE_QUAR = 0x2 << 18, 155 CFG_ALPHAM_MASK = 0x3 << 16, 156 CFG_ALPHAM_VIDEO = 0x0 << 16, 157 CFG_ALPHAM_GRA = 0x1 << 16, 158 CFG_ALPHAM_CFG = 0x2 << 16, 159 CFG_ALPHA_MASK = 0xff << 8, 160 #define CFG_ALPHA(x) ((x) << 8) 161 CFG_PIXCMD_MASK = 0xff, 162 }; 163 164 /* For LCD_SPU_SRAM_CTRL */ 165 enum { 166 SRAM_READ = 0 << 14, 167 SRAM_WRITE = 2 << 14, 168 SRAM_INIT = 3 << 14, 169 SRAM_HWC32_RAM1 = 0xc << 8, 170 SRAM_HWC32_RAM2 = 0xd << 8, 171 SRAM_HWC32_RAMR = SRAM_HWC32_RAM1, 172 SRAM_HWC32_RAMG = SRAM_HWC32_RAM2, 173 SRAM_HWC32_RAMB = 0xe << 8, 174 SRAM_HWC32_TRAN = 0xf << 8, 175 SRAM_HWC = 0xf << 8, 176 }; 177 178 /* For LCD_SPU_SRAM_PARA1 */ 179 enum { 180 CFG_CSB_256x32 = 1 << 15, /* cursor */ 181 CFG_CSB_256x24 = 1 << 14, /* palette */ 182 CFG_CSB_256x8 = 1 << 13, /* gamma */ 183 CFG_PDWN1920x32 = 1 << 8, /* Armada 510: power down vscale ram */ 184 CFG_PDWN256x32 = 1 << 7, /* power down cursor */ 185 CFG_PDWN256x24 = 1 << 6, /* power down palette */ 186 CFG_PDWN256x8 = 1 << 5, /* power down gamma */ 187 CFG_PDWNHWC = 1 << 4, /* Armada 510: power down all hwc ram */ 188 CFG_PDWN32x32 = 1 << 3, /* power down slave->smart ram */ 189 CFG_PDWN16x66 = 1 << 2, /* power down UV fifo */ 190 CFG_PDWN32x66 = 1 << 1, /* power down Y fifo */ 191 CFG_PDWN64x66 = 1 << 0, /* power down graphic fifo */ 192 }; 193 194 /* For LCD_CFG_SCLK_DIV */ 195 enum { 196 /* Armada 510 */ 197 SCLK_510_AXI = 0x0 << 30, 198 SCLK_510_EXTCLK0 = 0x1 << 30, 199 SCLK_510_PLL = 0x2 << 30, 200 SCLK_510_EXTCLK1 = 0x3 << 30, 201 SCLK_510_DIV_CHANGE = 1 << 29, 202 SCLK_510_FRAC_DIV_MASK = 0xfff << 16, 203 SCLK_510_INT_DIV_MASK = 0xffff << 0, 204 205 /* Armada 16x */ 206 SCLK_16X_AHB = 0x0 << 28, 207 SCLK_16X_PCLK = 0x1 << 28, 208 SCLK_16X_AXI = 0x4 << 28, 209 SCLK_16X_PLL = 0x8 << 28, 210 SCLK_16X_FRAC_DIV_MASK = 0xfff << 16, 211 SCLK_16X_INT_DIV_MASK = 0xffff << 0, 212 }; 213 214 /* For LCD_SPU_DUMB_CTRL */ 215 enum { 216 DUMB16_RGB565_0 = 0x0 << 28, 217 DUMB16_RGB565_1 = 0x1 << 28, 218 DUMB18_RGB666_0 = 0x2 << 28, 219 DUMB18_RGB666_1 = 0x3 << 28, 220 DUMB12_RGB444_0 = 0x4 << 28, 221 DUMB12_RGB444_1 = 0x5 << 28, 222 DUMB24_RGB888_0 = 0x6 << 28, 223 DUMB_BLANK = 0x7 << 28, 224 DUMB_MASK = 0xf << 28, 225 CFG_BIAS_OUT = 1 << 8, 226 CFG_REV_RGB = 1 << 7, 227 CFG_INV_CBLANK = 1 << 6, 228 CFG_INV_CSYNC = 1 << 5, /* Normally active high */ 229 CFG_INV_HENA = 1 << 4, 230 CFG_INV_VSYNC = 1 << 3, /* Normally active high */ 231 CFG_INV_HSYNC = 1 << 2, /* Normally active high */ 232 CFG_INV_PCLK = 1 << 1, 233 CFG_DUMB_ENA = 1 << 0, 234 }; 235 236 /* For LCD_SPU_IOPAD_CONTROL */ 237 enum { 238 CFG_VSCALE_LN_EN = 3 << 18, 239 CFG_GRA_VM_ENA = 1 << 15, 240 CFG_DMA_VM_ENA = 1 << 13, 241 CFG_CMD_VM_ENA = 1 << 11, 242 CFG_CSC_MASK = 3 << 8, 243 CFG_CSC_YUV_CCIR709 = 1 << 9, 244 CFG_CSC_YUV_CCIR601 = 0 << 9, 245 CFG_CSC_RGB_STUDIO = 1 << 8, 246 CFG_CSC_RGB_COMPUTER = 0 << 8, 247 CFG_IOPAD_MASK = 0xf << 0, 248 CFG_IOPAD_DUMB24 = 0x0 << 0, 249 CFG_IOPAD_DUMB18SPI = 0x1 << 0, 250 CFG_IOPAD_DUMB18GPIO = 0x2 << 0, 251 CFG_IOPAD_DUMB16SPI = 0x3 << 0, 252 CFG_IOPAD_DUMB16GPIO = 0x4 << 0, 253 CFG_IOPAD_DUMB12GPIO = 0x5 << 0, 254 CFG_IOPAD_SMART18 = 0x6 << 0, 255 CFG_IOPAD_SMART16 = 0x7 << 0, 256 CFG_IOPAD_SMART8 = 0x8 << 0, 257 }; 258 259 #define IOPAD_DUMB24 0x0 260 261 /* For LCD_SPU_IRQ_ENA */ 262 enum { 263 DMA_FRAME_IRQ0_ENA = 1 << 31, 264 DMA_FRAME_IRQ1_ENA = 1 << 30, 265 DMA_FRAME_IRQ_ENA = DMA_FRAME_IRQ0_ENA | DMA_FRAME_IRQ1_ENA, 266 DMA_FF_UNDERFLOW_ENA = 1 << 29, 267 GRA_FRAME_IRQ0_ENA = 1 << 27, 268 GRA_FRAME_IRQ1_ENA = 1 << 26, 269 GRA_FRAME_IRQ_ENA = GRA_FRAME_IRQ0_ENA | GRA_FRAME_IRQ1_ENA, 270 GRA_FF_UNDERFLOW_ENA = 1 << 25, 271 VSYNC_IRQ_ENA = 1 << 23, 272 DUMB_FRAMEDONE_ENA = 1 << 22, 273 TWC_FRAMEDONE_ENA = 1 << 21, 274 HWC_FRAMEDONE_ENA = 1 << 20, 275 SLV_IRQ_ENA = 1 << 19, 276 SPI_IRQ_ENA = 1 << 18, 277 PWRDN_IRQ_ENA = 1 << 17, 278 ERR_IRQ_ENA = 1 << 16, 279 CLEAN_SPU_IRQ_ISR = 0xffff, 280 }; 281 282 /* For LCD_SPU_IRQ_ISR */ 283 enum { 284 DMA_FRAME_IRQ0 = 1 << 31, 285 DMA_FRAME_IRQ1 = 1 << 30, 286 DMA_FRAME_IRQ = DMA_FRAME_IRQ0 | DMA_FRAME_IRQ1, 287 DMA_FF_UNDERFLOW = 1 << 29, 288 GRA_FRAME_IRQ0 = 1 << 27, 289 GRA_FRAME_IRQ1 = 1 << 26, 290 GRA_FRAME_IRQ = GRA_FRAME_IRQ0 | GRA_FRAME_IRQ1, 291 GRA_FF_UNDERFLOW = 1 << 25, 292 VSYNC_IRQ = 1 << 23, 293 DUMB_FRAMEDONE = 1 << 22, 294 TWC_FRAMEDONE = 1 << 21, 295 HWC_FRAMEDONE = 1 << 20, 296 SLV_IRQ = 1 << 19, 297 SPI_IRQ = 1 << 18, 298 PWRDN_IRQ = 1 << 17, 299 ERR_IRQ = 1 << 16, 300 DMA_FRAME_IRQ0_LEVEL = 1 << 15, 301 DMA_FRAME_IRQ1_LEVEL = 1 << 14, 302 DMA_FRAME_CNT_ISR = 3 << 12, 303 GRA_FRAME_IRQ0_LEVEL = 1 << 11, 304 GRA_FRAME_IRQ1_LEVEL = 1 << 10, 305 GRA_FRAME_CNT_ISR = 3 << 8, 306 VSYNC_IRQ_LEVEL = 1 << 7, 307 DUMB_FRAMEDONE_LEVEL = 1 << 6, 308 TWC_FRAMEDONE_LEVEL = 1 << 5, 309 HWC_FRAMEDONE_LEVEL = 1 << 4, 310 SLV_FF_EMPTY = 1 << 3, 311 DMA_FF_ALLEMPTY = 1 << 2, 312 GRA_FF_ALLEMPTY = 1 << 1, 313 PWRDN_IRQ_LEVEL = 1 << 0, 314 }; 315 316 static inline u32 armada_rect_hw_fp(struct drm_rect *r) 317 { 318 return (drm_rect_height(r) & 0xffff0000) | drm_rect_width(r) >> 16; 319 } 320 321 static inline u32 armada_rect_hw(struct drm_rect *r) 322 { 323 return drm_rect_height(r) << 16 | (drm_rect_width(r) & 0x0000ffff); 324 } 325 326 static inline u32 armada_rect_yx(struct drm_rect *r) 327 { 328 return (r)->y1 << 16 | ((r)->x1 & 0x0000ffff); 329 } 330 331 #endif 332