litmus-rt.git - The LITMUS^RT kernel.

diff options

author	Linus Torvalds <torvalds@linux-foundation.org>	2009-05-08 20:14:14 -0400
committer	Linus Torvalds <torvalds@linux-foundation.org>	2009-05-08 20:14:14 -0400
commit	091bf7624d1c90cec9e578a18529f615213ff847 (patch)
tree	e906dd9f65fa5bdeaebac5c9b3f2f08a04fdbece /drivers/net/zorro8390.c
parent	621c2559c16fc703e24fc0e3ffad28d5477b49c7 (diff)

Linux 2.6.30-rc5v2.6.30-rc5

Diffstat (limited to 'drivers/net/zorro8390.c')

0 files changed, 0 insertions, 0 deletions

/* * panel-j-720p-5.c: Panel driver for j-720p-5 panel. * * Copyright (c) 2013-2018, NVIDIA Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include <linux/ioport.h> #include <linux/delay.h> #include <linux/gpio.h> #include <linux/tegra_pwm_bl.h> #include <linux/regulator/consumer.h> #include <linux/backlight.h> #include <linux/pwm_backlight.h> #include "../dc.h" #include "board-panel.h" #include "gpio-names.h" #define DSI_PANEL_EN_GPIO TEGRA_GPIO_PQ2 #define DSI_PANEL_RESET 1 #define DC_CTRL_MODE TEGRA_DC_OUT_CONTINUOUS_MODE static u16 en_panel_rst; static u16 en_panel; static struct tegra_dsi_out dsi_j_720p_5_pdata; static bool reg_requested; static bool gpio_requested; static struct platform_device *disp_device; static struct regulator *vdd_lcd_bl; static struct regulator *vdd_lcd_bl_en; static struct regulator *avdd_lcd_3v0; static struct regulator *dvdd_lcd_3v3; static struct tegra_dc_cmu dsi_j_720p_5_cmu = { /* lut1 maps sRGB to linear space. */ { 0, 1, 2, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 23, 25, 27, 29, 31, 33, 35, 37, 40, 42, 45, 48, 50, 53, 56, 59, 62, 66, 69, 72, 76, 79, 83, 87, 91, 95, 99, 103, 107, 112, 116, 121, 126, 131, 136, 141, 146, 151, 156, 162, 168, 173, 179, 185, 191, 197, 204, 210, 216, 223, 230, 237, 244, 251, 258, 265, 273, 280, 288, 296, 304, 312, 320, 329, 337, 346, 354, 363, 372, 381, 390, 400, 409, 419, 428, 438, 448, 458, 469, 479, 490, 500, 511, 522, 533, 544, 555, 567, 578, 590, 602, 614, 626, 639, 651, 664, 676, 689, 702, 715, 728, 742, 755, 769, 783, 797, 811, 825, 840, 854, 869, 884, 899, 914, 929, 945, 960, 976, 992, 1008, 1024, 1041, 1057, 1074, 1091, 1108, 1125, 1142, 1159, 1177, 1195, 1213, 1231, 1249, 1267, 1286, 1304, 1323, 1342, 1361, 1381, 1400, 1420, 1440, 1459, 1480, 1500, 1520, 1541, 1562, 1582, 1603, 1625, 1646, 1668, 1689, 1711, 1733, 1755, 1778, 1800, 1823, 1846, 1869, 1892, 1916, 1939, 1963, 1987, 2011, 2035, 2059, 2084, 2109, 2133, 2159, 2184, 2209, 2235, 2260, 2286, 2312, 2339, 2365, 2392, 2419, 2446, 2473, 2500, 2527, 2555, 2583, 2611, 2639, 2668, 2696, 2725, 2754, 2783, 2812, 2841, 2871, 2901, 2931, 2961, 2991, 3022, 3052, 3083, 3114, 3146, 3177, 3209, 3240, 3272, 3304, 3337, 3369, 3402, 3435, 3468, 3501, 3535, 3568, 3602, 3636, 3670, 3705, 3739, 3774, 3809, 3844, 3879, 3915, 3950, 3986, 4022, 4059, 4095, }, /* csc */ { 0x100, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100, }, /* lut2 maps linear space to sRGB*/ { 0, 0, 1, 2, 3, 3, 4, 5, 6, 6, 7, 8, 8, 9, 10, 10, 11, 12, 12, 13, 13, 14, 14, 15, 16, 16, 17, 17, 18, 18, 19, 19, 19, 20, 20, 21, 21, 22, 22, 22, 23, 23, 24, 24, 24, 25, 25, 25, 26, 26, 27, 27, 27, 28, 28, 28, 28, 29, 29, 29, 30, 30, 30, 31, 31, 31, 31, 32, 32, 32, 33, 33, 33, 33, 34, 34, 34, 35, 35, 35, 35, 36, 36, 36, 36, 37, 37, 37, 38, 38, 38, 38, 39, 39, 39, 39, 40, 40, 40, 40, 40, 41, 41, 41, 41, 42, 42, 42, 42, 43, 43, 43, 43, 43, 44, 44, 44, 44, 45, 45, 45, 45, 45, 46, 46, 46, 46, 46, 47, 47, 47, 47, 47, 48, 48, 48, 48, 48, 49, 49, 49, 49, 49, 49, 50, 50, 50, 50, 50, 50, 51, 51, 51, 51, 51, 51, 52, 52, 52, 52, 52, 52, 53, 53, 53, 53, 53, 53, 54, 54, 54, 54, 54, 54, 54, 55, 55, 55, 55, 55, 55, 55, 55, 56, 56, 56, 56, 56, 56, 56, 57, 57, 57, 57, 57, 57, 57, 57, 58, 58, 58, 58, 58, 58, 58, 58, 58, 59, 59, 59, 59, 59, 59, 59, 59, 59, 60, 60, 60, 60, 60, 60, 60, 60, 60, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 83, 83, 83, 83, 83, 83, 83, 83, 84, 84, 85, 85, 86, 86, 87, 88, 88, 89, 89, 90, 90, 91, 92, 92, 93, 93, 94, 94, 95, 95, 96, 96, 97, 97, 98, 98, 99, 99, 100, 100, 101, 101, 102, 102, 103, 103, 104, 104, 105, 105, 106, 106, 107, 107, 107, 108, 108, 109, 109, 110, 110, 111, 111, 111, 112, 112, 113, 113, 114, 114, 114, 115, 115, 116, 116, 117, 117, 117, 118, 118, 119, 119, 119, 120, 120, 121, 121, 121, 122, 122, 123, 123, 123, 124, 124, 125, 125, 126, 126, 126, 127, 127, 128, 128, 128, 129, 129, 129, 130, 130, 131, 131, 131, 132, 132, 133, 133, 133, 134, 134, 135, 135, 135, 136, 136, 137, 137, 137, 138, 138, 138, 139, 139, 140, 140, 140, 141, 141, 142, 142, 142, 143, 143, 143, 144, 144, 145, 145, 145, 146, 146, 146, 147, 147, 147, 148, 148, 149, 149, 149, 150, 150, 150, 151, 151, 151, 152, 152, 153, 153, 153, 154, 154, 154, 155, 155, 156, 156, 156, 157, 157, 157, 158, 158, 159, 159, 159, 160, 160, 160, 161, 161, 162, 162, 162, 163, 163, 164, 164, 164, 165, 165, 166, 166, 166, 167, 167, 168, 168, 168, 169, 169, 170, 170, 170, 171, 171, 172, 172, 172, 173, 173, 173, 174, 174, 175, 175, 175, 176, 176, 176, 177, 177, 177, 178, 178, 178, 179, 179, 179, 180, 180, 180, 180, 181, 181, 181, 182, 182, 182, 182, 183, 183, 183, 184, 184, 184, 184, 185, 185, 185, 185, 186, 186, 186, 186, 187, 187, 187, 187, 188, 188, 188, 188, 189, 189, 189, 190, 190, 190, 190, 191, 191, 191, 191, 192, 192, 192, 193, 193, 193, 193, 194, 194, 194, 195, 195, 195, 195, 196, 196, 196, 197, 197, 197, 198, 198, 198, 198, 199, 199, 199, 200, 200, 200, 201, 201, 201, 202, 202, 202, 203, 203, 204, 204, 204, 205, 205, 205, 206, 206, 206, 207, 207, 208, 208, 208, 209, 209, 209, 210, 210, 211, 211, 211, 212, 212, 213, 213, 213, 214, 214, 215, 215, 215, 216, 216, 217, 217, 217, 218, 218, 218, 219, 219, 220, 220, 220, 221, 221, 221, 222, 222, 222, 223, 223, 223, 224, 224, 224, 225, 225, 225, 225, 226, 226, 226, 226, 227, 227, 227, 227, 228, 228, 228, 228, 229, 229, 229, 229, 229, 230, 230, 230, 230, 231, 231, 231, 231, 232, 232, 232, 233, 233, 233, 233, 234, 234, 234, 235, 235, 235, 236, 236, 236, 237, 237, 238, 238, 239, 239, 239, 240, 240, 241, 241, 242, 242, 243, 244, 244, 245, 245, 246, 247, 247, 248, 249, 250, 250, 251, 252, 253, 254, 254, 255, }, }; static int dsi_j_720p_5_bl_notify(struct device *dev, int brightness) { struct backlight_device *bl = NULL; struct pwm_bl_data *pb = NULL; bl = (struct backlight_device *)dev_get_drvdata(dev); pb = (struct pwm_bl_data *)dev_get_drvdata(&bl->dev); /* Apply any backlight response curve */ if (brightness > 255) pr_info("Error: Brightness > 255!\n"); else if (pb->bl_measured) brightness = pb->bl_measured[brightness]; return brightness; } static int dsi_j_720p_5_check_fb(struct device *dev, struct fb_info *info) { struct platform_device *pdev = NULL; pdev = to_platform_device(bus_find_device_by_name( &platform_bus_type, NULL, "tegradc.0")); return info->device == &pdev->dev; } static struct platform_pwm_backlight_data dsi_j_720p_5_bl_data = { .pwm_id = 1, .max_brightness = 255, .dft_brightness = 77, .pwm_period_ns = 29334, .notify = dsi_j_720p_5_bl_notify, /* Only toggle backlight on fb blank notifications for disp1 */ .check_fb = dsi_j_720p_5_check_fb, }; static struct platform_device __maybe_unused dsi_j_720p_5_bl_device = { .name = "pwm-backlight", .id = -1, .dev = { .platform_data = &dsi_j_720p_5_bl_data, }, }; static struct platform_device __maybe_unused *dsi_j_720p_5_bl_devices[] = { &dsi_j_720p_5_bl_device, }; static struct tegra_dc_mode dsi_j_720p_5_modes[] = { { .pclk = 69946560, .h_ref_to_sync = 1, .v_ref_to_sync = 1, .h_sync_width = 32, .v_sync_width = 2, .h_back_porch = 30, .v_back_porch = 11, .h_active = 720, .v_active = 1280, .h_front_porch = 112, .v_front_porch = 11, }, }; static int dsi_j_720p_5_reg_get(struct device *dev) { int err = 0; if (reg_requested) return 0; avdd_lcd_3v0 = regulator_get(dev, "avdd_lcd"); if (IS_ERR(avdd_lcd_3v0)) { pr_err("avdd_lcd regulator get failed\n"); err = PTR_ERR(avdd_lcd_3v0); avdd_lcd_3v0 = NULL; goto fail; } dvdd_lcd_3v3 = regulator_get(dev, "dvdd_lcd"); if (IS_ERR(dvdd_lcd_3v3)) { pr_err("vdd_lcd_1v8_s regulator get failed\n"); err = PTR_ERR(dvdd_lcd_3v3); dvdd_lcd_3v3 = NULL; goto fail; } vdd_lcd_bl_en = regulator_get(dev, "vdd_lcd_bl_en"); if (IS_ERR(vdd_lcd_bl_en)) { pr_err("vdd_lcd_bl_en regulator get failed\n"); err = PTR_ERR(vdd_lcd_bl_en); vdd_lcd_bl_en = NULL; goto fail; } reg_requested = true; return 0; fail: return err; } static int dsi_j_720p_5_gpio_get(void) { int err = 0; if (gpio_requested) return 0; err = gpio_request(dsi_j_720p_5_pdata.dsi_panel_rst_gpio, "panel rst"); if (err < 0) { pr_err("panel reset gpio request failed\n"); goto fail; } err = gpio_request(DSI_PANEL_EN_GPIO, "panel en"); if (err < 0) { pr_err("panel en gpio request failed\n"); goto fail; } err = gpio_request(dsi_j_720p_5_pdata.dsi_panel_bl_pwm_gpio, "panel pwm"); if (err < 0) { pr_err("panel backlight pwm gpio request failed\n"); return err; } gpio_free(dsi_j_720p_5_pdata.dsi_panel_bl_pwm_gpio); gpio_requested = true; return 0; fail: return err; } static struct tegra_dsi_cmd dsi_j_720p_5_init_cmd[] = { /* sleep atleast 160 ms before sending any commands */ DSI_DLY_MS(160), /* panel exit_sleep_mode sequence */ DSI_CMD_SHORT(DSI_DCS_WRITE_0_PARAM, DSI_DCS_EXIT_SLEEP_MODE, 0x0), DSI_SEND_FRAME(5), DSI_DLY_MS(20), /* panel set_display_on sequence */ DSI_CMD_SHORT(DSI_DCS_WRITE_0_PARAM, DSI_DCS_SET_DISPLAY_ON, 0x0), DSI_DLY_MS(20), }; static struct tegra_dsi_cmd dsi_j_720p_5_suspend_cmd[] = { /* panel set_display_off sequence */ DSI_CMD_SHORT(DSI_DCS_WRITE_0_PARAM, DSI_DCS_SET_DISPLAY_OFF, 0x0), /* panel enter_sleep_mode sequence*/ DSI_CMD_SHORT(DSI_DCS_WRITE_0_PARAM, DSI_DCS_ENTER_SLEEP_MODE, 0x0), DSI_DLY_MS(60), }; static int dsi_j_720p_5_enable(struct device *dev) { int err = 0; err = dsi_j_720p_5_reg_get(dev); if (err < 0) { pr_err("dsi regulator get failed\n"); goto fail; } err = tegra_panel_gpio_get_dt("j,720p-5-0", &panel_of); if (err < 0) { err = dsi_j_720p_5_gpio_get(); if (err < 0) { pr_err("dsi gpio request failed\n"); goto fail; } } /* If panel rst gpio is specified in device tree, * use that. */ if (gpio_is_valid(panel_of.panel_gpio[TEGRA_GPIO_RESET])) en_panel_rst = panel_of.panel_gpio[TEGRA_GPIO_RESET]; else en_panel_rst = dsi_j_720p_5_pdata.dsi_panel_rst_gpio; if (gpio_is_valid(panel_of.panel_gpio[TEGRA_GPIO_PANEL_EN])) en_panel = panel_of.panel_gpio[TEGRA_GPIO_PANEL_EN]; else en_panel = DSI_PANEL_EN_GPIO; if (!tegra_dc_initialized(dev)) { gpio_direction_output(en_panel_rst, 0); gpio_direction_output(en_panel, 0); } if (avdd_lcd_3v0) { err = regulator_enable(avdd_lcd_3v0); if (err < 0) { pr_err("avdd_lcd_3v0 regulator enable failed\n"); goto fail; } } usleep_range(3000, 5000); if (dvdd_lcd_3v3) { err = regulator_enable(dvdd_lcd_3v3); if (err < 0) { pr_err("dvdd_lcd_3v3 regulator enable failed\n"); goto fail; } } if (vdd_lcd_bl) { err = regulator_enable(vdd_lcd_bl); if (err < 0) { pr_err("vdd_lcd_bl regulator enable failed\n"); goto fail; } } if (vdd_lcd_bl_en) { err = regulator_enable(vdd_lcd_bl_en); if (err < 0) { pr_err("vdd_lcd_bl_en regulator enable failed\n"); goto fail; } } usleep_range(3000, 5000); if (!tegra_dc_initialized(dev)) { gpio_set_value(en_panel, 1); msleep(20); } return 0; fail: return err; } static int dsi_j_720p_5_postpoweron(struct device *dev) { msleep(80); if (!tegra_dc_initialized(dev)) { gpio_set_value(en_panel_rst, 1); msleep(20); } return 0; } static struct tegra_dsi_out dsi_j_720p_5_pdata = { .n_data_lanes = 4, .controller_vs = DSI_VS_1, .pixel_format = TEGRA_DSI_PIXEL_FORMAT_24BIT_P, .refresh_rate = 60, .virtual_channel = TEGRA_DSI_VIRTUAL_CHANNEL_0, .panel_reset = DSI_PANEL_RESET, .power_saving_suspend = true, .video_data_type = TEGRA_DSI_VIDEO_TYPE_VIDEO_MODE, .video_clock_mode = TEGRA_DSI_VIDEO_CLOCK_TX_ONLY, .video_burst_mode = TEGRA_DSI_VIDEO_NONE_BURST_MODE_WITH_SYNC_END, .dsi_init_cmd = dsi_j_720p_5_init_cmd, .n_init_cmd = ARRAY_SIZE(dsi_j_720p_5_init_cmd), .dsi_suspend_cmd = dsi_j_720p_5_suspend_cmd, .n_suspend_cmd = ARRAY_SIZE(dsi_j_720p_5_suspend_cmd), .ulpm_not_supported = true, }; static int dsi_j_720p_5_disable(struct device *dev) { gpio_direction_output(en_panel_rst, 0); gpio_direction_output(en_panel, 0); usleep_range(5000, 8000); if (vdd_lcd_bl) regulator_disable(vdd_lcd_bl); if (vdd_lcd_bl_en) regulator_disable(vdd_lcd_bl_en); if (dvdd_lcd_3v3) regulator_disable(dvdd_lcd_3v3); if (avdd_lcd_3v0) regulator_disable(avdd_lcd_3v0); return 0; } static int dsi_j_720p_5_postsuspend(void) { /* TODO */ return 0; } static int dsi_j_720p_5_register_bl_dev(void) { int err = 0; struct device_node *dc1_node = NULL; struct device_node *dc2_node = NULL; struct device_node *pwm_bl_node = NULL; find_dc_node(&dc1_node, &dc2_node); pwm_bl_node = of_find_compatible_node(NULL, NULL, "pwm-backlight"); if (!of_have_populated_dt() || !dc1_node || !of_device_is_available(dc1_node) || !pwm_bl_node || !of_device_is_available(pwm_bl_node)) { err = platform_add_devices(dsi_j_720p_5_bl_devices, ARRAY_SIZE(dsi_j_720p_5_bl_devices)); if (err) { pr_err("disp1 bl device registration failed"); of_node_put(pwm_bl_node); return err; } } of_node_put(pwm_bl_node); return err; } static void dsi_j_720p_5_set_disp_device (struct platform_device *loki_display_device) { disp_device = loki_display_device; } static void dsi_j_720p_5_dc_out_init(struct tegra_dc_out *dc) { dc->dsi = &dsi_j_720p_5_pdata; dc->modes = dsi_j_720p_5_modes; dc->n_modes = ARRAY_SIZE(dsi_j_720p_5_modes); dc->enable = dsi_j_720p_5_enable; dc->disable = dsi_j_720p_5_disable; dc->postsuspend = dsi_j_720p_5_postsuspend; dc->postpoweron = dsi_j_720p_5_postpoweron; dc->width = 130; dc->height = 74; dc->flags = DC_CTRL_MODE | TEGRA_DC_OUT_INITIALIZED_MODE; dc->rotation = 270; } static void dsi_j_720p_5_fb_data_init(struct tegra_fb_data *fb) { fb->xres = dsi_j_720p_5_modes[0].h_active; fb->yres = dsi_j_720p_5_modes[0].v_active; } static void dsi_j_720p_5_cmu_init(struct tegra_dc_platform_data *pdata) { pdata->cmu = &dsi_j_720p_5_cmu; } static struct pwm_bl_data_dt_ops dsi_j_720p_5_pwm_bl_ops = { .notify = dsi_j_720p_5_bl_notify, .check_fb = dsi_j_720p_5_check_fb, .blnode_compatible = "j,720p-5-0-bl", }; struct tegra_panel_ops dsi_j_720p_5_ops = { .enable = dsi_j_720p_5_enable, .disable = dsi_j_720p_5_disable, .postsuspend = dsi_j_720p_5_postsuspend, .postpoweron = dsi_j_720p_5_postpoweron, .pwm_bl_ops = &dsi_j_720p_5_pwm_bl_ops, }; struct tegra_panel __initdata dsi_j_720p_5 = { .init_dc_out = dsi_j_720p_5_dc_out_init, .init_fb_data = dsi_j_720p_5_fb_data_init, .set_disp_device = dsi_j_720p_5_set_disp_device, .register_bl_dev = dsi_j_720p_5_register_bl_dev, .init_cmu_data = dsi_j_720p_5_cmu_init, }; EXPORT_SYMBOL(dsi_j_720p_5);


context:
space:
mode: