j6x0lcd.c revision 1.3.2.6
1 1.3.2.6 skrll /* $NetBSD: j6x0lcd.c,v 1.3.2.6 2005/11/10 13:56:31 skrll Exp $ */ 2 1.3.2.2 skrll 3 1.3.2.2 skrll /* 4 1.3.2.6 skrll * Copyright (c) 2004, 2005 Valeriy E. Ushakov 5 1.3.2.2 skrll * All rights reserved. 6 1.3.2.2 skrll * 7 1.3.2.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.3.2.2 skrll * modification, are permitted provided that the following conditions 9 1.3.2.2 skrll * are met: 10 1.3.2.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.3.2.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.3.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.3.2.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.3.2.2 skrll * documentation and/or other materials provided with the distribution. 15 1.3.2.2 skrll * 3. The name of the author may not be used to endorse or promote products 16 1.3.2.2 skrll * derived from this software without specific prior written permission 17 1.3.2.2 skrll * 18 1.3.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 1.3.2.2 skrll * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 1.3.2.2 skrll * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 1.3.2.2 skrll * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 1.3.2.2 skrll * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 1.3.2.2 skrll * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 1.3.2.2 skrll * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 1.3.2.2 skrll * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 1.3.2.2 skrll * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 1.3.2.2 skrll * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 1.3.2.2 skrll */ 29 1.3.2.2 skrll 30 1.3.2.2 skrll #include <sys/cdefs.h> 31 1.3.2.6 skrll __KERNEL_RCSID(0, "$NetBSD: j6x0lcd.c,v 1.3.2.6 2005/11/10 13:56:31 skrll Exp $"); 32 1.3.2.2 skrll 33 1.3.2.2 skrll #include <sys/param.h> 34 1.3.2.2 skrll #include <sys/kernel.h> 35 1.3.2.2 skrll #include <sys/device.h> 36 1.3.2.2 skrll #include <sys/systm.h> 37 1.3.2.2 skrll #ifdef GPROF 38 1.3.2.2 skrll #include <sys/gmon.h> 39 1.3.2.2 skrll #endif 40 1.3.2.2 skrll 41 1.3.2.2 skrll #include <machine/platid.h> 42 1.3.2.2 skrll #include <machine/platid_mask.h> 43 1.3.2.2 skrll 44 1.3.2.2 skrll #include <machine/config_hook.h> 45 1.3.2.2 skrll 46 1.3.2.2 skrll #include <sh3/dacreg.h> 47 1.3.2.2 skrll #include <hpcsh/dev/hd64461/hd64461var.h> /* XXX: for hd64461_reg_read_2 &c */ 48 1.3.2.2 skrll #include <hpcsh/dev/hd64461/hd64461reg.h> 49 1.3.2.2 skrll #include <hpcsh/dev/hd64461/hd64461gpioreg.h> 50 1.3.2.2 skrll 51 1.3.2.6 skrll #define arraysize(ary) (sizeof(ary) / sizeof(ary[0])) 52 1.3.2.6 skrll 53 1.3.2.2 skrll 54 1.3.2.2 skrll /* 55 1.3.2.2 skrll * LCD power: controlled by pin 0 in HD64461 GPIO port B. 56 1.3.2.2 skrll * 0 - power on 57 1.3.2.2 skrll * 1 - power off 58 1.3.2.2 skrll */ 59 1.3.2.6 skrll #define HD64461_GPBDR_J6X0_LCD_OFF 0x01 60 1.3.2.2 skrll 61 1.3.2.6 skrll #define HD64461_GPBCR_J6X0_LCD_OFF_MASK 0xfffc 62 1.3.2.6 skrll #define HD64461_GPBCR_J6X0_LCD_OFF_BITS 0x0001 63 1.3.2.2 skrll 64 1.3.2.2 skrll 65 1.3.2.2 skrll /* 66 1.3.2.2 skrll * LCD brightness: controlled by DAC channel 0. Larger channel values 67 1.3.2.2 skrll * mean dimmer. Values smaller (i.e. brighter) then 0x5e seems to 68 1.3.2.2 skrll * result in no visible changes. 69 1.3.2.2 skrll */ 70 1.3.2.2 skrll #define J6X0LCD_BRIGHTNESS_DA_MAX 0x5e 71 1.3.2.2 skrll #define J6X0LCD_BRIGHTNESS_DA_MIN 0xff 72 1.3.2.2 skrll 73 1.3.2.2 skrll #define J6X0LCD_DA_TO_BRIGHTNESS(da) \ 74 1.3.2.2 skrll (J6X0LCD_BRIGHTNESS_DA_MIN - (da)) 75 1.3.2.2 skrll 76 1.3.2.2 skrll #define J6X0LCD_BRIGHTNESS_TO_DA(br) \ 77 1.3.2.2 skrll (J6X0LCD_BRIGHTNESS_DA_MIN - (br)) 78 1.3.2.2 skrll 79 1.3.2.2 skrll #define J6X0LCD_BRIGHTNESS_MAX \ 80 1.3.2.2 skrll J6X0LCD_DA_TO_BRIGHTNESS(J6X0LCD_BRIGHTNESS_DA_MAX) 81 1.3.2.2 skrll 82 1.3.2.2 skrll /* convenience macro to accesses DAC registers */ 83 1.3.2.2 skrll #define DAC_(x) (*((volatile uint8_t *)SH7709_DA ## x)) 84 1.3.2.2 skrll 85 1.3.2.2 skrll 86 1.3.2.2 skrll /* 87 1.3.2.6 skrll * LCD contrast in 680 is controlled by pins 6..3 of HD64461 GPIO 88 1.3.2.6 skrll * port B. 6th pin is the least significant bit, 3rd pin is the most 89 1.3.2.6 skrll * significant. The bits are inverted: 0 = .1111...; 1 = .0111...; 90 1.3.2.6 skrll * etc. Larger values mean "blacker". 91 1.3.2.2 skrll * 92 1.3.2.6 skrll * The contrast value is programmed by setting bits in the data 93 1.3.2.6 skrll * register to all ones, and changing the mode of the pins in the 94 1.3.2.6 skrll * control register, setting logical "ones" to GPIO output mode (1), 95 1.3.2.6 skrll * and switching "zeroes" to input mode (3). 96 1.3.2.2 skrll */ 97 1.3.2.6 skrll #define HD64461_GPBDR_J680_CONTRAST_BITS 0x78 /* set */ 98 1.3.2.6 skrll #define HD64461_GPBCR_J680_CONTRAST_MASK 0xc03f 99 1.3.2.2 skrll 100 1.3.2.6 skrll static const uint8_t j6x0lcd_contrast680_pins[] = { 6, 5, 4, 3 }; 101 1.3.2.2 skrll 102 1.3.2.6 skrll static const uint16_t j6x0lcd_contrast680_control_bits[] = { 103 1.3.2.6 skrll 0x1540, 0x3540, 0x1d40, 0x3d40, 0x1740, 0x3740, 0x1f40, 0x3f40, 104 1.3.2.6 skrll 0x15c0, 0x35c0, 0x1dc0, 0x3dc0, 0x17c0, 0x37c0, 0x1fc0, 0x3fc0 105 1.3.2.2 skrll }; 106 1.3.2.2 skrll 107 1.3.2.2 skrll 108 1.3.2.6 skrll /* 109 1.3.2.6 skrll * LCD contrast in 620lx is controlled by pins 7,6,3,4,5 of HD64461 110 1.3.2.6 skrll * GPIO port B (in the order from the least significant to the most 111 1.3.2.6 skrll * significant). The bits are inverted: 0 = 11111...; 5 = 01110...; 112 1.3.2.6 skrll * etc. Larger values mean "whiter". 113 1.3.2.6 skrll * 114 1.3.2.6 skrll * The contrast value is programmed by setting bits in the data 115 1.3.2.6 skrll * register to all zeroes, and changing the mode of the pins in the 116 1.3.2.6 skrll * control register, setting logical "ones" to GPIO output mode (1), 117 1.3.2.6 skrll * and switching "zeroes" to input mode (3). 118 1.3.2.6 skrll */ 119 1.3.2.6 skrll #define HD64461_GPBDR_J620LX_CONTRAST_BITS 0xf8 /* clear */ 120 1.3.2.6 skrll #define HD64461_GPBCR_J620LX_CONTRAST_MASK 0x003f 121 1.3.2.6 skrll 122 1.3.2.6 skrll static const uint8_t j6x0lcd_contrast620lx_pins[] = { 7, 6, 3, 4, 5 }; 123 1.3.2.6 skrll 124 1.3.2.6 skrll static const uint16_t j6x0lcd_contrast620lx_control_bits[] = { 125 1.3.2.6 skrll 0xffc0, 0x7fc0, 0xdfc0, 0x5fc0, 0xff40, 0x7f40, 0xdf40, 0x5f40, 126 1.3.2.6 skrll 0xfdc0, 0x7dc0, 0xddc0, 0x5dc0, 0xfd40, 0x7d40, 0xdd40, 0x5d40, 127 1.3.2.6 skrll 0xf7c0, 0x77c0, 0xd7c0, 0x57c0, 0xf740, 0x7740, 0xd740, 0x5740, 128 1.3.2.6 skrll 0xf5c0, 0x75c0, 0xd5c0, 0x55c0, 0xf540, 0x7540, 0xd540, 0x5540 129 1.3.2.2 skrll }; 130 1.3.2.2 skrll 131 1.3.2.2 skrll 132 1.3.2.6 skrll 133 1.3.2.2 skrll struct j6x0lcd_softc { 134 1.3.2.2 skrll struct device sc_dev; 135 1.3.2.2 skrll int sc_brightness; 136 1.3.2.2 skrll int sc_contrast; 137 1.3.2.6 skrll 138 1.3.2.6 skrll int sc_contrast_max; 139 1.3.2.6 skrll uint16_t sc_contrast_mask; 140 1.3.2.6 skrll const uint16_t *sc_contrast_control_bits; 141 1.3.2.2 skrll }; 142 1.3.2.2 skrll 143 1.3.2.2 skrll static int j6x0lcd_match(struct device *, struct cfdata *, void *); 144 1.3.2.2 skrll static void j6x0lcd_attach(struct device *, struct device *, void *); 145 1.3.2.2 skrll 146 1.3.2.2 skrll CFATTACH_DECL(j6x0lcd, sizeof(struct j6x0lcd_softc), 147 1.3.2.2 skrll j6x0lcd_match, j6x0lcd_attach, NULL, NULL); 148 1.3.2.2 skrll 149 1.3.2.2 skrll 150 1.3.2.2 skrll static int j6x0lcd_param(void *, int, long, void *); 151 1.3.2.2 skrll static int j6x0lcd_power(void *, int, long, void *); 152 1.3.2.2 skrll 153 1.3.2.6 skrll static int j6x0lcd_contrast_raw(uint16_t, int, const uint8_t *); 154 1.3.2.6 skrll static void j6x0lcd_contrast_set(struct j6x0lcd_softc *, int); 155 1.3.2.6 skrll 156 1.3.2.6 skrll 157 1.3.2.2 skrll 158 1.3.2.2 skrll static int 159 1.3.2.2 skrll j6x0lcd_match(struct device *parent, struct cfdata *cfp, void *aux) 160 1.3.2.2 skrll { 161 1.3.2.2 skrll 162 1.3.2.2 skrll /* 163 1.3.2.6 skrll * XXX: platid_mask_MACH_HP_LX also matches 360LX. It's not 164 1.3.2.6 skrll * confirmed whether touch panel in 360LX is connected this 165 1.3.2.6 skrll * way. We may need to regroup platid masks. 166 1.3.2.2 skrll */ 167 1.3.2.6 skrll if (!platid_match(&platid, &platid_mask_MACH_HP_JORNADA_6XX) 168 1.3.2.6 skrll && !platid_match(&platid, &platid_mask_MACH_HP_LX)) 169 1.3.2.2 skrll return (0); 170 1.3.2.2 skrll 171 1.3.2.2 skrll if (strcmp(cfp->cf_name, "j6x0lcd") != 0) 172 1.3.2.2 skrll return (0); 173 1.3.2.2 skrll 174 1.3.2.2 skrll return (1); 175 1.3.2.2 skrll } 176 1.3.2.2 skrll 177 1.3.2.2 skrll 178 1.3.2.2 skrll static void 179 1.3.2.2 skrll j6x0lcd_attach(struct device *parent, struct device *self, void *aux) 180 1.3.2.2 skrll { 181 1.3.2.2 skrll struct j6x0lcd_softc *sc = (struct j6x0lcd_softc *)self; 182 1.3.2.2 skrll uint16_t bcr, bdr; 183 1.3.2.2 skrll uint8_t dcr, ddr; 184 1.3.2.2 skrll 185 1.3.2.5 skrll /* 186 1.3.2.2 skrll * Brightness is controlled by DAC channel 0. 187 1.3.2.2 skrll */ 188 1.3.2.2 skrll dcr = DAC_(CR); 189 1.3.2.2 skrll dcr &= ~SH7709_DACR_DAE; /* want to control each channel separately */ 190 1.3.2.2 skrll dcr |= SH7709_DACR_DAOE0; /* enable channel 0 */ 191 1.3.2.2 skrll DAC_(CR) = dcr; 192 1.3.2.2 skrll 193 1.3.2.2 skrll ddr = DAC_(DR0); 194 1.3.2.2 skrll sc->sc_brightness = J6X0LCD_DA_TO_BRIGHTNESS(ddr); 195 1.3.2.2 skrll 196 1.3.2.2 skrll /* 197 1.3.2.2 skrll * Contrast and power are controlled by HD64461 GPIO port B. 198 1.3.2.2 skrll */ 199 1.3.2.2 skrll bcr = hd64461_reg_read_2(HD64461_GPBCR_REG16); 200 1.3.2.2 skrll bdr = hd64461_reg_read_2(HD64461_GPBDR_REG16); 201 1.3.2.2 skrll 202 1.3.2.6 skrll /* 203 1.3.2.6 skrll * Make sure LCD is turned on. 204 1.3.2.6 skrll */ 205 1.3.2.6 skrll bcr &= HD64461_GPBCR_J6X0_LCD_OFF_MASK; 206 1.3.2.6 skrll bcr |= HD64461_GPBCR_J6X0_LCD_OFF_BITS; /* output mode */ 207 1.3.2.2 skrll 208 1.3.2.6 skrll bdr &= ~HD64461_GPBDR_J6X0_LCD_OFF; 209 1.3.2.2 skrll 210 1.3.2.6 skrll /* 211 1.3.2.6 skrll * 620LX and 680 have different contrast control. 212 1.3.2.6 skrll */ 213 1.3.2.6 skrll if (platid_match(&platid, &platid_mask_MACH_HP_JORNADA_6XX)) { 214 1.3.2.6 skrll bdr |= HD64461_GPBDR_J680_CONTRAST_BITS; 215 1.3.2.6 skrll 216 1.3.2.6 skrll sc->sc_contrast_mask = 217 1.3.2.6 skrll HD64461_GPBCR_J680_CONTRAST_MASK; 218 1.3.2.6 skrll sc->sc_contrast_control_bits = 219 1.3.2.6 skrll j6x0lcd_contrast680_control_bits; 220 1.3.2.6 skrll sc->sc_contrast_max = 221 1.3.2.6 skrll arraysize(j6x0lcd_contrast680_control_bits) - 1; 222 1.3.2.6 skrll 223 1.3.2.6 skrll sc->sc_contrast = sc->sc_contrast_max 224 1.3.2.6 skrll - j6x0lcd_contrast_raw(bcr, 225 1.3.2.6 skrll arraysize(j6x0lcd_contrast680_pins), 226 1.3.2.6 skrll j6x0lcd_contrast680_pins); 227 1.3.2.6 skrll } else { 228 1.3.2.6 skrll bdr &= ~HD64461_GPBDR_J620LX_CONTRAST_BITS; 229 1.3.2.6 skrll 230 1.3.2.6 skrll sc->sc_contrast_mask = 231 1.3.2.6 skrll HD64461_GPBCR_J620LX_CONTRAST_MASK; 232 1.3.2.6 skrll sc->sc_contrast_control_bits = 233 1.3.2.6 skrll j6x0lcd_contrast620lx_control_bits; 234 1.3.2.6 skrll sc->sc_contrast_max = 235 1.3.2.6 skrll arraysize(j6x0lcd_contrast620lx_control_bits) - 1; 236 1.3.2.6 skrll 237 1.3.2.6 skrll sc->sc_contrast = 238 1.3.2.6 skrll j6x0lcd_contrast_raw(bcr, 239 1.3.2.6 skrll arraysize(j6x0lcd_contrast620lx_pins), 240 1.3.2.6 skrll j6x0lcd_contrast620lx_pins); 241 1.3.2.6 skrll } 242 1.3.2.2 skrll 243 1.3.2.2 skrll hd64461_reg_write_2(HD64461_GPBCR_REG16, bcr); 244 1.3.2.6 skrll hd64461_reg_write_2(HD64461_GPBDR_REG16, bdr); 245 1.3.2.2 skrll 246 1.3.2.2 skrll printf(": brightness %d, contrast %d\n", 247 1.3.2.2 skrll sc->sc_brightness, sc->sc_contrast); 248 1.3.2.2 skrll 249 1.3.2.2 skrll 250 1.3.2.2 skrll /* LCD brightness hooks */ 251 1.3.2.5 skrll config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_BRIGHTNESS_MAX, 252 1.3.2.2 skrll CONFIG_HOOK_SHARE, 253 1.3.2.2 skrll j6x0lcd_param, sc); 254 1.3.2.5 skrll config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_BRIGHTNESS, 255 1.3.2.2 skrll CONFIG_HOOK_SHARE, 256 1.3.2.2 skrll j6x0lcd_param, sc); 257 1.3.2.5 skrll config_hook(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS, 258 1.3.2.2 skrll CONFIG_HOOK_SHARE, 259 1.3.2.2 skrll j6x0lcd_param, sc); 260 1.3.2.2 skrll 261 1.3.2.2 skrll /* LCD contrast hooks */ 262 1.3.2.5 skrll config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_CONTRAST_MAX, 263 1.3.2.2 skrll CONFIG_HOOK_SHARE, 264 1.3.2.2 skrll j6x0lcd_param, sc); 265 1.3.2.5 skrll config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_CONTRAST, 266 1.3.2.2 skrll CONFIG_HOOK_SHARE, 267 1.3.2.2 skrll j6x0lcd_param, sc); 268 1.3.2.5 skrll config_hook(CONFIG_HOOK_SET, CONFIG_HOOK_CONTRAST, 269 1.3.2.2 skrll CONFIG_HOOK_SHARE, 270 1.3.2.2 skrll j6x0lcd_param, sc); 271 1.3.2.2 skrll 272 1.3.2.2 skrll /* LCD on/off hook */ 273 1.3.2.2 skrll config_hook(CONFIG_HOOK_POWERCONTROL, 274 1.3.2.2 skrll CONFIG_HOOK_POWERCONTROL_LCD, 275 1.3.2.2 skrll CONFIG_HOOK_SHARE, 276 1.3.2.2 skrll j6x0lcd_power, sc); 277 1.3.2.2 skrll } 278 1.3.2.2 skrll 279 1.3.2.2 skrll 280 1.3.2.6 skrll /* 281 1.3.2.6 skrll * Get raw contrast value programmed in GPIO port B control register. 282 1.3.2.6 skrll * Used only at attach time to get initial contrast. 283 1.3.2.6 skrll */ 284 1.3.2.6 skrll static int 285 1.3.2.6 skrll j6x0lcd_contrast_raw(uint16_t bcr, int width, const uint8_t *pin) 286 1.3.2.6 skrll { 287 1.3.2.6 skrll int contrast; 288 1.3.2.6 skrll int bit; 289 1.3.2.6 skrll 290 1.3.2.6 skrll contrast = 0; 291 1.3.2.6 skrll for (bit = 0; bit < width; ++bit) { 292 1.3.2.6 skrll unsigned int c, v; 293 1.3.2.6 skrll 294 1.3.2.6 skrll c = (bcr >> (pin[bit] << 1)) & 0x3; 295 1.3.2.6 skrll if (c == 1) /* output mode? */ 296 1.3.2.6 skrll v = 1; 297 1.3.2.6 skrll else 298 1.3.2.6 skrll v = 0; 299 1.3.2.6 skrll contrast |= (v << bit); 300 1.3.2.6 skrll } 301 1.3.2.6 skrll 302 1.3.2.6 skrll return contrast; 303 1.3.2.6 skrll } 304 1.3.2.6 skrll 305 1.3.2.6 skrll 306 1.3.2.6 skrll /* 307 1.3.2.6 skrll * Set contrast by programming GPIO port B control register. 308 1.3.2.6 skrll * Data register has been initialized at attach time. 309 1.3.2.6 skrll */ 310 1.3.2.6 skrll static void 311 1.3.2.6 skrll j6x0lcd_contrast_set(struct j6x0lcd_softc *sc, int contrast) 312 1.3.2.6 skrll { 313 1.3.2.6 skrll uint16_t bcr; 314 1.3.2.6 skrll 315 1.3.2.6 skrll sc->sc_contrast = contrast; 316 1.3.2.6 skrll 317 1.3.2.6 skrll bcr = hd64461_reg_read_2(HD64461_GPBCR_REG16); 318 1.3.2.6 skrll 319 1.3.2.6 skrll bcr &= sc->sc_contrast_mask; 320 1.3.2.6 skrll bcr |= sc->sc_contrast_control_bits[contrast]; 321 1.3.2.6 skrll 322 1.3.2.6 skrll hd64461_reg_write_2(HD64461_GPBCR_REG16, bcr); 323 1.3.2.6 skrll } 324 1.3.2.6 skrll 325 1.3.2.6 skrll 326 1.3.2.2 skrll static int 327 1.3.2.2 skrll j6x0lcd_param(ctx, type, id, msg) 328 1.3.2.2 skrll void *ctx; 329 1.3.2.2 skrll int type; 330 1.3.2.2 skrll long id; 331 1.3.2.2 skrll void *msg; 332 1.3.2.2 skrll { 333 1.3.2.2 skrll struct j6x0lcd_softc *sc = ctx; 334 1.3.2.2 skrll int value; 335 1.3.2.2 skrll uint8_t dr; 336 1.3.2.2 skrll 337 1.3.2.2 skrll switch (type) { 338 1.3.2.2 skrll case CONFIG_HOOK_GET: 339 1.3.2.2 skrll switch (id) { 340 1.3.2.2 skrll case CONFIG_HOOK_CONTRAST: 341 1.3.2.2 skrll *(int *)msg = sc->sc_contrast; 342 1.3.2.2 skrll return (0); 343 1.3.2.2 skrll 344 1.3.2.2 skrll case CONFIG_HOOK_CONTRAST_MAX: 345 1.3.2.6 skrll *(int *)msg = sc->sc_contrast_max; 346 1.3.2.2 skrll return (0); 347 1.3.2.2 skrll 348 1.3.2.2 skrll case CONFIG_HOOK_BRIGHTNESS: 349 1.3.2.2 skrll *(int *)msg = sc->sc_brightness; 350 1.3.2.2 skrll return (0); 351 1.3.2.2 skrll 352 1.3.2.2 skrll case CONFIG_HOOK_BRIGHTNESS_MAX: 353 1.3.2.2 skrll *(int *)msg = J6X0LCD_BRIGHTNESS_MAX; 354 1.3.2.2 skrll return (0); 355 1.3.2.2 skrll } 356 1.3.2.2 skrll break; 357 1.3.2.2 skrll 358 1.3.2.2 skrll case CONFIG_HOOK_SET: 359 1.3.2.2 skrll value = *(int *)msg; 360 1.3.2.2 skrll if (value < 0) 361 1.3.2.2 skrll value = 0; 362 1.3.2.2 skrll 363 1.3.2.2 skrll switch (id) { 364 1.3.2.2 skrll case CONFIG_HOOK_CONTRAST: 365 1.3.2.6 skrll if (value > sc->sc_contrast_max) 366 1.3.2.6 skrll value = sc->sc_contrast_max; 367 1.3.2.6 skrll j6x0lcd_contrast_set(sc, value); 368 1.3.2.2 skrll return (0); 369 1.3.2.2 skrll 370 1.3.2.2 skrll case CONFIG_HOOK_BRIGHTNESS: 371 1.3.2.2 skrll if (value > J6X0LCD_BRIGHTNESS_MAX) 372 1.3.2.2 skrll value = J6X0LCD_BRIGHTNESS_MAX; 373 1.3.2.2 skrll sc->sc_brightness = value; 374 1.3.2.2 skrll 375 1.3.2.2 skrll dr = J6X0LCD_BRIGHTNESS_TO_DA(value); 376 1.3.2.2 skrll DAC_(DR0) = dr; 377 1.3.2.2 skrll return (0); 378 1.3.2.2 skrll } 379 1.3.2.2 skrll break; 380 1.3.2.2 skrll } 381 1.3.2.2 skrll 382 1.3.2.2 skrll return (EINVAL); 383 1.3.2.2 skrll } 384 1.3.2.2 skrll 385 1.3.2.2 skrll 386 1.3.2.2 skrll static int 387 1.3.2.2 skrll j6x0lcd_power(ctx, type, id, msg) 388 1.3.2.5 skrll void *ctx; 389 1.3.2.5 skrll int type; 390 1.3.2.5 skrll long id; 391 1.3.2.2 skrll void *msg; 392 1.3.2.2 skrll { 393 1.3.2.2 skrll int on; 394 1.3.2.2 skrll uint16_t r; 395 1.3.2.2 skrll 396 1.3.2.2 skrll if (type != CONFIG_HOOK_POWERCONTROL 397 1.3.2.2 skrll || id != CONFIG_HOOK_POWERCONTROL_LCD) 398 1.3.2.2 skrll return (EINVAL); 399 1.3.2.2 skrll 400 1.3.2.2 skrll on = (int)msg; 401 1.3.2.2 skrll 402 1.3.2.2 skrll r = hd64461_reg_read_2(HD64461_GPBDR_REG16); 403 1.3.2.2 skrll if (on) 404 1.3.2.6 skrll r &= ~HD64461_GPBDR_J6X0_LCD_OFF; 405 1.3.2.2 skrll else 406 1.3.2.6 skrll r |= HD64461_GPBDR_J6X0_LCD_OFF; 407 1.3.2.2 skrll hd64461_reg_write_2(HD64461_GPBDR_REG16, r); 408 1.3.2.2 skrll 409 1.3.2.2 skrll return (0); 410 1.3.2.2 skrll } 411
Indexes created Tue Sep 30 20:09:53 GMT 2025