diff options
Diffstat (limited to 'drivers/gpu/drm/i2c/ch7006_mode.c')
-rw-r--r-- | drivers/gpu/drm/i2c/ch7006_mode.c | 470 |
1 files changed, 0 insertions, 470 deletions
diff --git a/drivers/gpu/drm/i2c/ch7006_mode.c b/drivers/gpu/drm/i2c/ch7006_mode.c deleted file mode 100644 index 6afe6d0ee630..000000000000 --- a/drivers/gpu/drm/i2c/ch7006_mode.c +++ /dev/null @@ -1,470 +0,0 @@ -/* - * Copyright (C) 2009 Francisco Jerez. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial - * portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#include "ch7006_priv.h" - -const char * const ch7006_tv_norm_names[] = { - [TV_NORM_PAL] = "PAL", - [TV_NORM_PAL_M] = "PAL-M", - [TV_NORM_PAL_N] = "PAL-N", - [TV_NORM_PAL_NC] = "PAL-Nc", - [TV_NORM_PAL_60] = "PAL-60", - [TV_NORM_NTSC_M] = "NTSC-M", - [TV_NORM_NTSC_J] = "NTSC-J", -}; - -#define NTSC_LIKE_TIMINGS .vrefresh = 60 * fixed1/1.001, \ - .vdisplay = 480, \ - .vtotal = 525, \ - .hvirtual = 660 - -#define PAL_LIKE_TIMINGS .vrefresh = 50 * fixed1, \ - .vdisplay = 576, \ - .vtotal = 625, \ - .hvirtual = 810 - -const struct ch7006_tv_norm_info ch7006_tv_norms[] = { - [TV_NORM_NTSC_M] = { - NTSC_LIKE_TIMINGS, - .black_level = 0.339 * fixed1, - .subc_freq = 3579545 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, NTSC), - .voffset = 0, - }, - [TV_NORM_NTSC_J] = { - NTSC_LIKE_TIMINGS, - .black_level = 0.286 * fixed1, - .subc_freq = 3579545 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, NTSC_J), - .voffset = 0, - }, - [TV_NORM_PAL] = { - PAL_LIKE_TIMINGS, - .black_level = 0.3 * fixed1, - .subc_freq = 4433618.75 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL), - .voffset = 0, - }, - [TV_NORM_PAL_M] = { - NTSC_LIKE_TIMINGS, - .black_level = 0.339 * fixed1, - .subc_freq = 3575611.433 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL_M), - .voffset = 16, - }, - - /* The following modes seem to work right but they're - * undocumented */ - - [TV_NORM_PAL_N] = { - PAL_LIKE_TIMINGS, - .black_level = 0.339 * fixed1, - .subc_freq = 4433618.75 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL), - .voffset = 0, - }, - [TV_NORM_PAL_NC] = { - PAL_LIKE_TIMINGS, - .black_level = 0.3 * fixed1, - .subc_freq = 3582056.25 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL), - .voffset = 0, - }, - [TV_NORM_PAL_60] = { - NTSC_LIKE_TIMINGS, - .black_level = 0.3 * fixed1, - .subc_freq = 4433618.75 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL_M), - .voffset = 16, - }, -}; - -#define __MODE(f, hd, vd, ht, vt, hsynp, vsynp, \ - subc, scale, scale_mask, norm_mask, e_hd, e_vd) { \ - .mode = { \ - .name = #hd "x" #vd, \ - .status = 0, \ - .type = DRM_MODE_TYPE_DRIVER, \ - .clock = f, \ - .hdisplay = hd, \ - .hsync_start = e_hd + 16, \ - .hsync_end = e_hd + 80, \ - .htotal = ht, \ - .hskew = 0, \ - .vdisplay = vd, \ - .vsync_start = vd + 10, \ - .vsync_end = vd + 26, \ - .vtotal = vt, \ - .vscan = 0, \ - .flags = DRM_MODE_FLAG_##hsynp##HSYNC | \ - DRM_MODE_FLAG_##vsynp##VSYNC, \ - }, \ - .enc_hdisp = e_hd, \ - .enc_vdisp = e_vd, \ - .subc_coeff = subc * fixed1, \ - .dispmode = bitfs(CH7006_DISPMODE_SCALING_RATIO, scale) | \ - bitfs(CH7006_DISPMODE_INPUT_RES, e_hd##x##e_vd), \ - .valid_scales = scale_mask, \ - .valid_norms = norm_mask \ - } - -#define MODE(f, hd, vd, ht, vt, hsynp, vsynp, \ - subc, scale, scale_mask, norm_mask) \ - __MODE(f, hd, vd, ht, vt, hsynp, vsynp, subc, scale, \ - scale_mask, norm_mask, hd, vd) - -#define NTSC_LIKE (1 << TV_NORM_NTSC_M | 1 << TV_NORM_NTSC_J | \ - 1 << TV_NORM_PAL_M | 1 << TV_NORM_PAL_60) - -#define PAL_LIKE (1 << TV_NORM_PAL | 1 << TV_NORM_PAL_N | 1 << TV_NORM_PAL_NC) - -const struct ch7006_mode ch7006_modes[] = { - MODE(21000, 512, 384, 840, 500, N, N, 181.797557582, 5_4, 0x6, PAL_LIKE), - MODE(26250, 512, 384, 840, 625, N, N, 145.438046066, 1_1, 0x1, PAL_LIKE), - MODE(20140, 512, 384, 800, 420, N, N, 213.257083791, 5_4, 0x4, NTSC_LIKE), - MODE(24671, 512, 384, 784, 525, N, N, 174.0874153, 1_1, 0x3, NTSC_LIKE), - MODE(28125, 720, 400, 1125, 500, N, N, 135.742176298, 5_4, 0x6, PAL_LIKE), - MODE(34875, 720, 400, 1116, 625, N, N, 109.469496898, 1_1, 0x1, PAL_LIKE), - MODE(23790, 720, 400, 945, 420, N, N, 160.475642016, 5_4, 0x4, NTSC_LIKE), - MODE(29455, 720, 400, 936, 525, N, N, 129.614941843, 1_1, 0x3, NTSC_LIKE), - MODE(25000, 640, 400, 1000, 500, N, N, 152.709948279, 5_4, 0x6, PAL_LIKE), - MODE(31500, 640, 400, 1008, 625, N, N, 121.198371646, 1_1, 0x1, PAL_LIKE), - MODE(21147, 640, 400, 840, 420, N, N, 180.535097338, 5_4, 0x4, NTSC_LIKE), - MODE(26434, 640, 400, 840, 525, N, N, 144.42807787, 1_1, 0x2, NTSC_LIKE), - MODE(30210, 640, 400, 840, 600, N, N, 126.374568276, 7_8, 0x1, NTSC_LIKE), - MODE(21000, 640, 480, 840, 500, N, N, 181.797557582, 5_4, 0x4, PAL_LIKE), - MODE(26250, 640, 480, 840, 625, N, N, 145.438046066, 1_1, 0x2, PAL_LIKE), - MODE(31500, 640, 480, 840, 750, N, N, 121.198371646, 5_6, 0x1, PAL_LIKE), - MODE(24671, 640, 480, 784, 525, N, N, 174.0874153, 1_1, 0x4, NTSC_LIKE), - MODE(28196, 640, 480, 784, 600, N, N, 152.326488422, 7_8, 0x2, NTSC_LIKE), - MODE(30210, 640, 480, 800, 630, N, N, 142.171389101, 5_6, 0x1, NTSC_LIKE), - __MODE(29500, 720, 576, 944, 625, P, P, 145.592111636, 1_1, 0x7, PAL_LIKE, 800, 600), - MODE(36000, 800, 600, 960, 750, P, P, 119.304647022, 5_6, 0x6, PAL_LIKE), - MODE(39000, 800, 600, 936, 836, P, P, 110.127366499, 3_4, 0x1, PAL_LIKE), - MODE(39273, 800, 600, 1040, 630, P, P, 145.816809399, 5_6, 0x4, NTSC_LIKE), - MODE(43636, 800, 600, 1040, 700, P, P, 131.235128487, 3_4, 0x2, NTSC_LIKE), - MODE(47832, 800, 600, 1064, 750, P, P, 119.723275165, 7_10, 0x1, NTSC_LIKE), - {} -}; - -const struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder, - const struct drm_display_mode *drm_mode) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - const struct ch7006_mode *mode; - - for (mode = ch7006_modes; mode->mode.clock; mode++) { - - if (~mode->valid_norms & 1<<priv->norm) - continue; - - if (mode->mode.hdisplay != drm_mode->hdisplay || - mode->mode.vdisplay != drm_mode->vdisplay || - mode->mode.vtotal != drm_mode->vtotal || - mode->mode.htotal != drm_mode->htotal || - mode->mode.clock != drm_mode->clock) - continue; - - return mode; - } - - return NULL; -} - -/* Some common HW state calculation code */ - -void ch7006_setup_levels(struct drm_encoder *encoder) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - uint8_t *regs = priv->state.regs; - const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm]; - int gain; - int black_level; - - /* Set DAC_GAIN if the voltage drop between white and black is - * high enough. */ - if (norm->black_level < 339*fixed1/1000) { - gain = 76; - - regs[CH7006_INPUT_FORMAT] |= CH7006_INPUT_FORMAT_DAC_GAIN; - } else { - gain = 71; - - regs[CH7006_INPUT_FORMAT] &= ~CH7006_INPUT_FORMAT_DAC_GAIN; - } - - black_level = round_fixed(norm->black_level*26625)/gain; - - /* Correct it with the specified brightness. */ - black_level = interpolate(90, black_level, 208, priv->brightness); - - regs[CH7006_BLACK_LEVEL] = bitf(CH7006_BLACK_LEVEL_0, black_level); - - ch7006_dbg(client, "black level: %d\n", black_level); -} - -void ch7006_setup_subcarrier(struct drm_encoder *encoder) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct ch7006_state *state = &priv->state; - const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm]; - const struct ch7006_mode *mode = priv->mode; - uint32_t subc_inc; - - subc_inc = round_fixed((mode->subc_coeff >> 8) - * (norm->subc_freq >> 24)); - - setbitf(state, CH7006_SUBC_INC0, 28, subc_inc); - setbitf(state, CH7006_SUBC_INC1, 24, subc_inc); - setbitf(state, CH7006_SUBC_INC2, 20, subc_inc); - setbitf(state, CH7006_SUBC_INC3, 16, subc_inc); - setbitf(state, CH7006_SUBC_INC4, 12, subc_inc); - setbitf(state, CH7006_SUBC_INC5, 8, subc_inc); - setbitf(state, CH7006_SUBC_INC6, 4, subc_inc); - setbitf(state, CH7006_SUBC_INC7, 0, subc_inc); - - ch7006_dbg(client, "subcarrier inc: %u\n", subc_inc); -} - -void ch7006_setup_pll(struct drm_encoder *encoder) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - uint8_t *regs = priv->state.regs; - const struct ch7006_mode *mode = priv->mode; - int n, best_n = 0; - int m, best_m = 0; - int freq, best_freq = 0; - - for (n = 0; n < CH7006_MAXN; n++) { - for (m = 0; m < CH7006_MAXM; m++) { - freq = CH7006_FREQ0*(n+2)/(m+2); - - if (abs(freq - mode->mode.clock) < - abs(best_freq - mode->mode.clock)) { - best_freq = freq; - best_n = n; - best_m = m; - } - } - } - - regs[CH7006_PLLOV] = bitf(CH7006_PLLOV_N_8, best_n) | - bitf(CH7006_PLLOV_M_8, best_m); - - regs[CH7006_PLLM] = bitf(CH7006_PLLM_0, best_m); - regs[CH7006_PLLN] = bitf(CH7006_PLLN_0, best_n); - - if (best_n < 108) - regs[CH7006_PLL_CONTROL] |= CH7006_PLL_CONTROL_CAPACITOR; - else - regs[CH7006_PLL_CONTROL] &= ~CH7006_PLL_CONTROL_CAPACITOR; - - ch7006_dbg(client, "n=%d m=%d f=%d c=%d\n", - best_n, best_m, best_freq, best_n < 108); -} - -void ch7006_setup_power_state(struct drm_encoder *encoder) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - uint8_t *power = &priv->state.regs[CH7006_POWER]; - int subconnector; - - subconnector = priv->select_subconnector ? priv->select_subconnector : - priv->subconnector; - - *power = CH7006_POWER_RESET; - - if (priv->last_dpms == DRM_MODE_DPMS_ON) { - switch (subconnector) { - case DRM_MODE_SUBCONNECTOR_SVIDEO: - *power |= bitfs(CH7006_POWER_LEVEL, CVBS_OFF); - break; - case DRM_MODE_SUBCONNECTOR_Composite: - *power |= bitfs(CH7006_POWER_LEVEL, SVIDEO_OFF); - break; - case DRM_MODE_SUBCONNECTOR_SCART: - *power |= bitfs(CH7006_POWER_LEVEL, NORMAL) | - CH7006_POWER_SCART; - break; - } - - } else { - if (priv->chip_version >= 0x20) - *power |= bitfs(CH7006_POWER_LEVEL, FULL_POWER_OFF); - else - *power |= bitfs(CH7006_POWER_LEVEL, POWER_OFF); - } -} - -void ch7006_setup_properties(struct drm_encoder *encoder) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct ch7006_state *state = &priv->state; - const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm]; - const struct ch7006_mode *ch_mode = priv->mode; - const struct drm_display_mode *mode = &ch_mode->mode; - uint8_t *regs = state->regs; - int flicker, contrast, hpos, vpos; - uint64_t scale, aspect; - - flicker = interpolate(0, 2, 3, priv->flicker); - regs[CH7006_FFILTER] = bitf(CH7006_FFILTER_TEXT, flicker) | - bitf(CH7006_FFILTER_LUMA, flicker) | - bitf(CH7006_FFILTER_CHROMA, 1); - - contrast = interpolate(0, 5, 7, priv->contrast); - regs[CH7006_CONTRAST] = bitf(CH7006_CONTRAST_0, contrast); - - scale = norm->vtotal*fixed1; - do_div(scale, mode->vtotal); - - aspect = ch_mode->enc_hdisp*fixed1; - do_div(aspect, ch_mode->enc_vdisp); - - hpos = round_fixed((norm->hvirtual * aspect - mode->hdisplay * scale) - * priv->hmargin * mode->vtotal) / norm->vtotal / 100 / 4; - - setbitf(state, CH7006_POV, HPOS_8, hpos); - setbitf(state, CH7006_HPOS, 0, hpos); - - vpos = max(0, norm->vdisplay - round_fixed(mode->vdisplay*scale) - + norm->voffset) * priv->vmargin / 100 / 2; - - setbitf(state, CH7006_POV, VPOS_8, vpos); - setbitf(state, CH7006_VPOS, 0, vpos); - - ch7006_dbg(client, "hpos: %d, vpos: %d\n", hpos, vpos); -} - -/* HW access functions */ - -void ch7006_write(struct i2c_client *client, uint8_t addr, uint8_t val) -{ - uint8_t buf[] = {addr, val}; - int ret; - - ret = i2c_master_send(client, buf, ARRAY_SIZE(buf)); - if (ret < 0) - ch7006_err(client, "Error %d writing to subaddress 0x%x\n", - ret, addr); -} - -uint8_t ch7006_read(struct i2c_client *client, uint8_t addr) -{ - uint8_t val; - int ret; - - ret = i2c_master_send(client, &addr, sizeof(addr)); - if (ret < 0) - goto fail; - - ret = i2c_master_recv(client, &val, sizeof(val)); - if (ret < 0) - goto fail; - - return val; - -fail: - ch7006_err(client, "Error %d reading from subaddress 0x%x\n", - ret, addr); - return 0; -} - -void ch7006_state_load(struct i2c_client *client, - struct ch7006_state *state) -{ - ch7006_load_reg(client, state, CH7006_POWER); - - ch7006_load_reg(client, state, CH7006_DISPMODE); - ch7006_load_reg(client, state, CH7006_FFILTER); - ch7006_load_reg(client, state, CH7006_BWIDTH); - ch7006_load_reg(client, state, CH7006_INPUT_FORMAT); - ch7006_load_reg(client, state, CH7006_CLKMODE); - ch7006_load_reg(client, state, CH7006_START_ACTIVE); - ch7006_load_reg(client, state, CH7006_POV); - ch7006_load_reg(client, state, CH7006_BLACK_LEVEL); - ch7006_load_reg(client, state, CH7006_HPOS); - ch7006_load_reg(client, state, CH7006_VPOS); - ch7006_load_reg(client, state, CH7006_INPUT_SYNC); - ch7006_load_reg(client, state, CH7006_DETECT); - ch7006_load_reg(client, state, CH7006_CONTRAST); - ch7006_load_reg(client, state, CH7006_PLLOV); - ch7006_load_reg(client, state, CH7006_PLLM); - ch7006_load_reg(client, state, CH7006_PLLN); - ch7006_load_reg(client, state, CH7006_BCLKOUT); - ch7006_load_reg(client, state, CH7006_SUBC_INC0); - ch7006_load_reg(client, state, CH7006_SUBC_INC1); - ch7006_load_reg(client, state, CH7006_SUBC_INC2); - ch7006_load_reg(client, state, CH7006_SUBC_INC3); - ch7006_load_reg(client, state, CH7006_SUBC_INC4); - ch7006_load_reg(client, state, CH7006_SUBC_INC5); - ch7006_load_reg(client, state, CH7006_SUBC_INC6); - ch7006_load_reg(client, state, CH7006_SUBC_INC7); - ch7006_load_reg(client, state, CH7006_PLL_CONTROL); - ch7006_load_reg(client, state, CH7006_CALC_SUBC_INC0); -} - -void ch7006_state_save(struct i2c_client *client, - struct ch7006_state *state) -{ - ch7006_save_reg(client, state, CH7006_POWER); - - ch7006_save_reg(client, state, CH7006_DISPMODE); - ch7006_save_reg(client, state, CH7006_FFILTER); - ch7006_save_reg(client, state, CH7006_BWIDTH); - ch7006_save_reg(client, state, CH7006_INPUT_FORMAT); - ch7006_save_reg(client, state, CH7006_CLKMODE); - ch7006_save_reg(client, state, CH7006_START_ACTIVE); - ch7006_save_reg(client, state, CH7006_POV); - ch7006_save_reg(client, state, CH7006_BLACK_LEVEL); - ch7006_save_reg(client, state, CH7006_HPOS); - ch7006_save_reg(client, state, CH7006_VPOS); - ch7006_save_reg(client, state, CH7006_INPUT_SYNC); - ch7006_save_reg(client, state, CH7006_DETECT); - ch7006_save_reg(client, state, CH7006_CONTRAST); - ch7006_save_reg(client, state, CH7006_PLLOV); - ch7006_save_reg(client, state, CH7006_PLLM); - ch7006_save_reg(client, state, CH7006_PLLN); - ch7006_save_reg(client, state, CH7006_BCLKOUT); - ch7006_save_reg(client, state, CH7006_SUBC_INC0); - ch7006_save_reg(client, state, CH7006_SUBC_INC1); - ch7006_save_reg(client, state, CH7006_SUBC_INC2); - ch7006_save_reg(client, state, CH7006_SUBC_INC3); - ch7006_save_reg(client, state, CH7006_SUBC_INC4); - ch7006_save_reg(client, state, CH7006_SUBC_INC5); - ch7006_save_reg(client, state, CH7006_SUBC_INC6); - ch7006_save_reg(client, state, CH7006_SUBC_INC7); - ch7006_save_reg(client, state, CH7006_PLL_CONTROL); - ch7006_save_reg(client, state, CH7006_CALC_SUBC_INC0); - - state->regs[CH7006_FFILTER] = (state->regs[CH7006_FFILTER] & 0xf0) | - (state->regs[CH7006_FFILTER] & 0x0c) >> 2 | - (state->regs[CH7006_FFILTER] & 0x03) << 2; -} |