Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1 | /* |
| 2 | On Screen Display cx23415 Framebuffer driver |
| 3 | |
| 4 | This module presents the cx23415 OSD (onscreen display) framebuffer memory |
| 5 | as a standard Linux /dev/fb style framebuffer device. The framebuffer has |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 6 | support for 8, 16 & 32 bpp packed pixel formats with alpha channel. In 16bpp |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 7 | mode, there is a choice of a three color depths (12, 15 or 16 bits), but no |
| 8 | local alpha. The colorspace is selectable between rgb & yuv. |
| 9 | Depending on the TV standard configured in the ivtv module at load time, |
| 10 | the initial resolution is either 640x400 (NTSC) or 640x480 (PAL) at 8bpp. |
| 11 | Video timings are locked to ensure a vertical refresh rate of 50Hz (PAL) |
| 12 | or 59.94 (NTSC) |
| 13 | |
| 14 | Copyright (c) 2003 Matt T. Yourst <yourst@yourst.com> |
| 15 | |
| 16 | Derived from drivers/video/vesafb.c |
| 17 | Portions (c) 1998 Gerd Knorr <kraxel@goldbach.in-berlin.de> |
| 18 | |
| 19 | 2.6 kernel port: |
| 20 | Copyright (C) 2004 Matthias Badaire |
| 21 | |
| 22 | Copyright (C) 2004 Chris Kennedy <c@groovy.org> |
| 23 | |
| 24 | Copyright (C) 2006 Ian Armstrong <ian@iarmst.demon.co.uk> |
| 25 | |
| 26 | This program is free software; you can redistribute it and/or modify |
| 27 | it under the terms of the GNU General Public License as published by |
| 28 | the Free Software Foundation; either version 2 of the License, or |
| 29 | (at your option) any later version. |
| 30 | |
| 31 | This program is distributed in the hope that it will be useful, |
| 32 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 33 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 34 | GNU General Public License for more details. |
| 35 | |
| 36 | You should have received a copy of the GNU General Public License |
| 37 | along with this program; if not, write to the Free Software |
| 38 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 39 | */ |
| 40 | |
| 41 | #include <linux/module.h> |
| 42 | #include <linux/kernel.h> |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 43 | #include <linux/fb.h> |
Hans Verkuil | 0f45b8c | 2007-08-26 06:04:10 -0300 | [diff] [blame] | 44 | #include <linux/ivtvfb.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 45 | #include <linux/slab.h> |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 46 | |
Luis R. Rodriguez | 1bf1735 | 2015-06-15 10:28:16 +0200 | [diff] [blame] | 47 | #ifdef CONFIG_X86_64 |
| 48 | #include <asm/pat.h> |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 49 | #endif |
| 50 | |
| 51 | #include "ivtv-driver.h" |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 52 | #include "ivtv-cards.h" |
Ian Armstrong | 4e7ca40 | 2008-10-19 18:58:26 -0300 | [diff] [blame] | 53 | #include "ivtv-i2c.h" |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 54 | #include "ivtv-udma.h" |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 55 | #include "ivtv-mailbox.h" |
Ian Armstrong | 215659d | 2010-06-12 13:41:57 -0300 | [diff] [blame] | 56 | #include "ivtv-firmware.h" |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 57 | |
| 58 | /* card parameters */ |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 59 | static int ivtvfb_card_id = -1; |
| 60 | static int ivtvfb_debug = 0; |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 61 | static bool osd_laced; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 62 | static int osd_depth; |
| 63 | static int osd_upper; |
| 64 | static int osd_left; |
| 65 | static int osd_yres; |
| 66 | static int osd_xres; |
| 67 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 68 | module_param(ivtvfb_card_id, int, 0444); |
| 69 | module_param_named(debug,ivtvfb_debug, int, 0644); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 70 | module_param(osd_laced, bool, 0444); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 71 | module_param(osd_depth, int, 0444); |
| 72 | module_param(osd_upper, int, 0444); |
| 73 | module_param(osd_left, int, 0444); |
| 74 | module_param(osd_yres, int, 0444); |
| 75 | module_param(osd_xres, int, 0444); |
| 76 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 77 | MODULE_PARM_DESC(ivtvfb_card_id, |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 78 | "Only use framebuffer of the specified ivtv card (0-31)\n" |
| 79 | "\t\t\tdefault -1: initialize all available framebuffers"); |
| 80 | |
| 81 | MODULE_PARM_DESC(debug, |
| 82 | "Debug level (bitmask). Default: errors only\n" |
| 83 | "\t\t\t(debug = 3 gives full debugging)"); |
| 84 | |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 85 | /* Why upper, left, xres, yres, depth, laced ? To match terminology used |
| 86 | by fbset. |
| 87 | Why start at 1 for left & upper coordinate ? Because X doesn't allow 0 */ |
| 88 | |
| 89 | MODULE_PARM_DESC(osd_laced, |
| 90 | "Interlaced mode\n" |
| 91 | "\t\t\t0=off\n" |
| 92 | "\t\t\t1=on\n" |
| 93 | "\t\t\tdefault off"); |
| 94 | |
| 95 | MODULE_PARM_DESC(osd_depth, |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 96 | "Bits per pixel - 8, 16, 32\n" |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 97 | "\t\t\tdefault 8"); |
| 98 | |
| 99 | MODULE_PARM_DESC(osd_upper, |
| 100 | "Vertical start position\n" |
| 101 | "\t\t\tdefault 0 (Centered)"); |
| 102 | |
| 103 | MODULE_PARM_DESC(osd_left, |
| 104 | "Horizontal start position\n" |
| 105 | "\t\t\tdefault 0 (Centered)"); |
| 106 | |
| 107 | MODULE_PARM_DESC(osd_yres, |
| 108 | "Display height\n" |
| 109 | "\t\t\tdefault 480 (PAL)\n" |
| 110 | "\t\t\t 400 (NTSC)"); |
| 111 | |
| 112 | MODULE_PARM_DESC(osd_xres, |
| 113 | "Display width\n" |
| 114 | "\t\t\tdefault 640"); |
| 115 | |
| 116 | MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil, John Harvey, Ian Armstrong"); |
| 117 | MODULE_LICENSE("GPL"); |
| 118 | |
| 119 | /* --------------------------------------------------------------------- */ |
| 120 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 121 | #define IVTVFB_DBGFLG_WARN (1 << 0) |
| 122 | #define IVTVFB_DBGFLG_INFO (1 << 1) |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 123 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 124 | #define IVTVFB_DEBUG(x, type, fmt, args...) \ |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 125 | do { \ |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 126 | if ((x) & ivtvfb_debug) \ |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 127 | printk(KERN_INFO "ivtvfb%d " type ": " fmt, itv->instance , ## args); \ |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 128 | } while (0) |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 129 | #define IVTVFB_DEBUG_WARN(fmt, args...) IVTVFB_DEBUG(IVTVFB_DBGFLG_WARN, "warning", fmt , ## args) |
| 130 | #define IVTVFB_DEBUG_INFO(fmt, args...) IVTVFB_DEBUG(IVTVFB_DBGFLG_INFO, "info", fmt , ## args) |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 131 | |
| 132 | /* Standard kernel messages */ |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 133 | #define IVTVFB_ERR(fmt, args...) printk(KERN_ERR "ivtvfb%d: " fmt, itv->instance , ## args) |
| 134 | #define IVTVFB_WARN(fmt, args...) printk(KERN_WARNING "ivtvfb%d: " fmt, itv->instance , ## args) |
| 135 | #define IVTVFB_INFO(fmt, args...) printk(KERN_INFO "ivtvfb%d: " fmt, itv->instance , ## args) |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 136 | |
| 137 | /* --------------------------------------------------------------------- */ |
| 138 | |
| 139 | #define IVTV_OSD_MAX_WIDTH 720 |
| 140 | #define IVTV_OSD_MAX_HEIGHT 576 |
| 141 | |
| 142 | #define IVTV_OSD_BPP_8 0x00 |
| 143 | #define IVTV_OSD_BPP_16_444 0x03 |
| 144 | #define IVTV_OSD_BPP_16_555 0x02 |
| 145 | #define IVTV_OSD_BPP_16_565 0x01 |
| 146 | #define IVTV_OSD_BPP_32 0x04 |
| 147 | |
| 148 | struct osd_info { |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 149 | /* Physical base address */ |
| 150 | unsigned long video_pbase; |
| 151 | /* Relative base address (relative to start of decoder memory) */ |
| 152 | u32 video_rbase; |
| 153 | /* Mapped base address */ |
| 154 | volatile char __iomem *video_vbase; |
| 155 | /* Buffer size */ |
| 156 | u32 video_buffer_size; |
| 157 | |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 158 | /* video_base rounded down as required by hardware MTRRs */ |
| 159 | unsigned long fb_start_aligned_physaddr; |
| 160 | /* video_base rounded up as required by hardware MTRRs */ |
| 161 | unsigned long fb_end_aligned_physaddr; |
Luis R. Rodriguez | 1bf1735 | 2015-06-15 10:28:16 +0200 | [diff] [blame] | 162 | int wc_cookie; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 163 | |
| 164 | /* Store the buffer offset */ |
| 165 | int set_osd_coords_x; |
| 166 | int set_osd_coords_y; |
| 167 | |
| 168 | /* Current dimensions (NOT VISIBLE SIZE!) */ |
| 169 | int display_width; |
| 170 | int display_height; |
| 171 | int display_byte_stride; |
| 172 | |
| 173 | /* Current bits per pixel */ |
| 174 | int bits_per_pixel; |
| 175 | int bytes_per_pixel; |
| 176 | |
| 177 | /* Frame buffer stuff */ |
| 178 | struct fb_info ivtvfb_info; |
| 179 | struct fb_var_screeninfo ivtvfb_defined; |
| 180 | struct fb_fix_screeninfo ivtvfb_fix; |
Ian Armstrong | 215659d | 2010-06-12 13:41:57 -0300 | [diff] [blame] | 181 | |
| 182 | /* Used for a warm start */ |
| 183 | struct fb_var_screeninfo fbvar_cur; |
| 184 | int blank_cur; |
| 185 | u32 palette_cur[256]; |
| 186 | u32 pan_cur; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 187 | }; |
| 188 | |
| 189 | struct ivtv_osd_coords { |
| 190 | unsigned long offset; |
| 191 | unsigned long max_offset; |
| 192 | int pixel_stride; |
| 193 | int lines; |
| 194 | int x; |
| 195 | int y; |
| 196 | }; |
| 197 | |
| 198 | /* --------------------------------------------------------------------- */ |
| 199 | |
| 200 | /* ivtv API calls for framebuffer related support */ |
| 201 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 202 | static int ivtvfb_get_framebuffer(struct ivtv *itv, u32 *fbbase, |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 203 | u32 *fblength) |
| 204 | { |
| 205 | u32 data[CX2341X_MBOX_MAX_DATA]; |
| 206 | int rc; |
| 207 | |
Ian Armstrong | 215659d | 2010-06-12 13:41:57 -0300 | [diff] [blame] | 208 | ivtv_firmware_check(itv, "ivtvfb_get_framebuffer"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 209 | rc = ivtv_vapi_result(itv, data, CX2341X_OSD_GET_FRAMEBUFFER, 0); |
| 210 | *fbbase = data[0]; |
| 211 | *fblength = data[1]; |
| 212 | return rc; |
| 213 | } |
| 214 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 215 | static int ivtvfb_get_osd_coords(struct ivtv *itv, |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 216 | struct ivtv_osd_coords *osd) |
| 217 | { |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 218 | struct osd_info *oi = itv->osd_info; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 219 | u32 data[CX2341X_MBOX_MAX_DATA]; |
| 220 | |
| 221 | ivtv_vapi_result(itv, data, CX2341X_OSD_GET_OSD_COORDS, 0); |
| 222 | |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 223 | osd->offset = data[0] - oi->video_rbase; |
| 224 | osd->max_offset = oi->display_width * oi->display_height * 4; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 225 | osd->pixel_stride = data[1]; |
| 226 | osd->lines = data[2]; |
| 227 | osd->x = data[3]; |
| 228 | osd->y = data[4]; |
| 229 | return 0; |
| 230 | } |
| 231 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 232 | static int ivtvfb_set_osd_coords(struct ivtv *itv, const struct ivtv_osd_coords *osd) |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 233 | { |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 234 | struct osd_info *oi = itv->osd_info; |
| 235 | |
| 236 | oi->display_width = osd->pixel_stride; |
| 237 | oi->display_byte_stride = osd->pixel_stride * oi->bytes_per_pixel; |
| 238 | oi->set_osd_coords_x += osd->x; |
| 239 | oi->set_osd_coords_y = osd->y; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 240 | |
| 241 | return ivtv_vapi(itv, CX2341X_OSD_SET_OSD_COORDS, 5, |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 242 | osd->offset + oi->video_rbase, |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 243 | osd->pixel_stride, |
| 244 | osd->lines, osd->x, osd->y); |
| 245 | } |
| 246 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 247 | static int ivtvfb_set_display_window(struct ivtv *itv, struct v4l2_rect *ivtv_window) |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 248 | { |
Ian Armstrong | c5874c9 | 2011-05-29 21:33:17 -0300 | [diff] [blame] | 249 | int osd_height_limit = itv->is_out_50hz ? 576 : 480; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 250 | |
| 251 | /* Only fail if resolution too high, otherwise fudge the start coords. */ |
| 252 | if ((ivtv_window->height > osd_height_limit) || (ivtv_window->width > IVTV_OSD_MAX_WIDTH)) |
| 253 | return -EINVAL; |
| 254 | |
| 255 | /* Ensure we don't exceed display limits */ |
| 256 | if (ivtv_window->top + ivtv_window->height > osd_height_limit) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 257 | IVTVFB_DEBUG_WARN("ivtv_ioctl_fb_set_display_window - Invalid height setting (%d, %d)\n", |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 258 | ivtv_window->top, ivtv_window->height); |
| 259 | ivtv_window->top = osd_height_limit - ivtv_window->height; |
| 260 | } |
| 261 | |
| 262 | if (ivtv_window->left + ivtv_window->width > IVTV_OSD_MAX_WIDTH) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 263 | IVTVFB_DEBUG_WARN("ivtv_ioctl_fb_set_display_window - Invalid width setting (%d, %d)\n", |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 264 | ivtv_window->left, ivtv_window->width); |
| 265 | ivtv_window->left = IVTV_OSD_MAX_WIDTH - ivtv_window->width; |
| 266 | } |
| 267 | |
| 268 | /* Set the OSD origin */ |
| 269 | write_reg((ivtv_window->top << 16) | ivtv_window->left, 0x02a04); |
| 270 | |
| 271 | /* How much to display */ |
| 272 | write_reg(((ivtv_window->top+ivtv_window->height) << 16) | (ivtv_window->left+ivtv_window->width), 0x02a08); |
| 273 | |
| 274 | /* Pass this info back the yuv handler */ |
| 275 | itv->yuv_info.osd_vis_w = ivtv_window->width; |
| 276 | itv->yuv_info.osd_vis_h = ivtv_window->height; |
| 277 | itv->yuv_info.osd_x_offset = ivtv_window->left; |
| 278 | itv->yuv_info.osd_y_offset = ivtv_window->top; |
| 279 | |
| 280 | return 0; |
| 281 | } |
| 282 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 283 | static int ivtvfb_prep_dec_dma_to_device(struct ivtv *itv, |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 284 | unsigned long ivtv_dest_addr, void __user *userbuf, |
| 285 | int size_in_bytes) |
| 286 | { |
| 287 | DEFINE_WAIT(wait); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 288 | int got_sig = 0; |
| 289 | |
| 290 | mutex_lock(&itv->udma.lock); |
| 291 | /* Map User DMA */ |
| 292 | if (ivtv_udma_setup(itv, ivtv_dest_addr, userbuf, size_in_bytes) <= 0) { |
| 293 | mutex_unlock(&itv->udma.lock); |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 294 | IVTVFB_WARN("ivtvfb_prep_dec_dma_to_device, " |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 295 | "Error with get_user_pages: %d bytes, %d pages returned\n", |
| 296 | size_in_bytes, itv->udma.page_count); |
| 297 | |
| 298 | /* get_user_pages must have failed completely */ |
| 299 | return -EIO; |
| 300 | } |
| 301 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 302 | IVTVFB_DEBUG_INFO("ivtvfb_prep_dec_dma_to_device, %d bytes, %d pages\n", |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 303 | size_in_bytes, itv->udma.page_count); |
| 304 | |
| 305 | ivtv_udma_prepare(itv); |
| 306 | prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE); |
| 307 | /* if no UDMA is pending and no UDMA is in progress, then the DMA |
| 308 | is finished */ |
Hans Verkuil | ec105a4 | 2009-05-02 11:10:23 -0300 | [diff] [blame] | 309 | while (test_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags) || |
| 310 | test_bit(IVTV_F_I_UDMA, &itv->i_flags)) { |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 311 | /* don't interrupt if the DMA is in progress but break off |
| 312 | a still pending DMA. */ |
| 313 | got_sig = signal_pending(current); |
| 314 | if (got_sig && test_and_clear_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags)) |
| 315 | break; |
| 316 | got_sig = 0; |
| 317 | schedule(); |
| 318 | } |
| 319 | finish_wait(&itv->dma_waitq, &wait); |
| 320 | |
| 321 | /* Unmap Last DMA Xfer */ |
| 322 | ivtv_udma_unmap(itv); |
| 323 | mutex_unlock(&itv->udma.lock); |
| 324 | if (got_sig) { |
| 325 | IVTV_DEBUG_INFO("User stopped OSD\n"); |
| 326 | return -EINTR; |
| 327 | } |
| 328 | |
Ian Armstrong | c777549 | 2008-10-04 10:28:24 -0300 | [diff] [blame] | 329 | return 0; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 330 | } |
| 331 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 332 | static int ivtvfb_prep_frame(struct ivtv *itv, int cmd, void __user *source, |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 333 | unsigned long dest_offset, int count) |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 334 | { |
| 335 | DEFINE_WAIT(wait); |
Ian Armstrong | aaf9fa2 | 2007-07-21 16:43:36 -0300 | [diff] [blame] | 336 | struct osd_info *oi = itv->osd_info; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 337 | |
| 338 | /* Nothing to do */ |
| 339 | if (count == 0) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 340 | IVTVFB_DEBUG_WARN("ivtvfb_prep_frame: Nothing to do. count = 0\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 341 | return -EINVAL; |
| 342 | } |
| 343 | |
| 344 | /* Check Total FB Size */ |
Ian Armstrong | aaf9fa2 | 2007-07-21 16:43:36 -0300 | [diff] [blame] | 345 | if ((dest_offset + count) > oi->video_buffer_size) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 346 | IVTVFB_WARN("ivtvfb_prep_frame: Overflowing the framebuffer %ld, only %d available\n", |
Ian Armstrong | aaf9fa2 | 2007-07-21 16:43:36 -0300 | [diff] [blame] | 347 | dest_offset + count, oi->video_buffer_size); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 348 | return -E2BIG; |
| 349 | } |
| 350 | |
| 351 | /* Not fatal, but will have undesirable results */ |
| 352 | if ((unsigned long)source & 3) |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 353 | IVTVFB_WARN("ivtvfb_prep_frame: Source address not 32 bit aligned (0x%08lx)\n", |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 354 | (unsigned long)source); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 355 | |
| 356 | if (dest_offset & 3) |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 357 | IVTVFB_WARN("ivtvfb_prep_frame: Dest offset not 32 bit aligned (%ld)\n", dest_offset); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 358 | |
| 359 | if (count & 3) |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 360 | IVTVFB_WARN("ivtvfb_prep_frame: Count not a multiple of 4 (%d)\n", count); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 361 | |
| 362 | /* Check Source */ |
| 363 | if (!access_ok(VERIFY_READ, source + dest_offset, count)) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 364 | IVTVFB_WARN("Invalid userspace pointer 0x%08lx\n", |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 365 | (unsigned long)source); |
| 366 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 367 | IVTVFB_DEBUG_WARN("access_ok() failed for offset 0x%08lx source 0x%08lx count %d\n", |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 368 | dest_offset, (unsigned long)source, |
| 369 | count); |
| 370 | return -EINVAL; |
| 371 | } |
| 372 | |
| 373 | /* OSD Address to send DMA to */ |
Hans Verkuil | 33c0fca | 2007-08-23 06:32:46 -0300 | [diff] [blame] | 374 | dest_offset += IVTV_DECODER_OFFSET + oi->video_rbase; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 375 | |
| 376 | /* Fill Buffers */ |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 377 | return ivtvfb_prep_dec_dma_to_device(itv, dest_offset, source, count); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 378 | } |
| 379 | |
Ian Armstrong | 4cbeb371 | 2008-05-12 11:53:10 -0300 | [diff] [blame] | 380 | static ssize_t ivtvfb_write(struct fb_info *info, const char __user *buf, |
Ian Armstrong | 4ee0e42 | 2008-10-06 03:03:18 -0300 | [diff] [blame] | 381 | size_t count, loff_t *ppos) |
Ian Armstrong | 4cbeb371 | 2008-05-12 11:53:10 -0300 | [diff] [blame] | 382 | { |
| 383 | unsigned long p = *ppos; |
| 384 | void *dst; |
| 385 | int err = 0; |
Ian Armstrong | c777549 | 2008-10-04 10:28:24 -0300 | [diff] [blame] | 386 | int dma_err; |
Ian Armstrong | 4cbeb371 | 2008-05-12 11:53:10 -0300 | [diff] [blame] | 387 | unsigned long total_size; |
| 388 | struct ivtv *itv = (struct ivtv *) info->par; |
| 389 | unsigned long dma_offset = |
| 390 | IVTV_DECODER_OFFSET + itv->osd_info->video_rbase; |
| 391 | unsigned long dma_size; |
| 392 | u16 lead = 0, tail = 0; |
| 393 | |
| 394 | if (info->state != FBINFO_STATE_RUNNING) |
| 395 | return -EPERM; |
| 396 | |
| 397 | total_size = info->screen_size; |
| 398 | |
| 399 | if (total_size == 0) |
| 400 | total_size = info->fix.smem_len; |
| 401 | |
| 402 | if (p > total_size) |
| 403 | return -EFBIG; |
| 404 | |
| 405 | if (count > total_size) { |
| 406 | err = -EFBIG; |
| 407 | count = total_size; |
| 408 | } |
| 409 | |
| 410 | if (count + p > total_size) { |
| 411 | if (!err) |
| 412 | err = -ENOSPC; |
Ian Armstrong | 4cbeb371 | 2008-05-12 11:53:10 -0300 | [diff] [blame] | 413 | count = total_size - p; |
| 414 | } |
| 415 | |
| 416 | dst = (void __force *) (info->screen_base + p); |
| 417 | |
| 418 | if (info->fbops->fb_sync) |
| 419 | info->fbops->fb_sync(info); |
| 420 | |
Ian Armstrong | c777549 | 2008-10-04 10:28:24 -0300 | [diff] [blame] | 421 | /* If transfer size > threshold and both src/dst |
| 422 | addresses are aligned, use DMA */ |
| 423 | if (count >= 4096 && |
| 424 | ((unsigned long)buf & 3) == ((unsigned long)dst & 3)) { |
| 425 | /* Odd address = can't DMA. Align */ |
| 426 | if ((unsigned long)dst & 3) { |
| 427 | lead = 4 - ((unsigned long)dst & 3); |
| 428 | if (copy_from_user(dst, buf, lead)) |
| 429 | return -EFAULT; |
| 430 | buf += lead; |
| 431 | dst += lead; |
Ian Armstrong | 4cbeb371 | 2008-05-12 11:53:10 -0300 | [diff] [blame] | 432 | } |
Ian Armstrong | c777549 | 2008-10-04 10:28:24 -0300 | [diff] [blame] | 433 | /* DMA resolution is 32 bits */ |
| 434 | if ((count - lead) & 3) |
| 435 | tail = (count - lead) & 3; |
| 436 | /* DMA the data */ |
| 437 | dma_size = count - lead - tail; |
| 438 | dma_err = ivtvfb_prep_dec_dma_to_device(itv, |
| 439 | p + lead + dma_offset, (void __user *)buf, dma_size); |
| 440 | if (dma_err) |
| 441 | return dma_err; |
| 442 | dst += dma_size; |
| 443 | buf += dma_size; |
| 444 | /* Copy any leftover data */ |
| 445 | if (tail && copy_from_user(dst, buf, tail)) |
| 446 | return -EFAULT; |
| 447 | } else if (copy_from_user(dst, buf, count)) { |
| 448 | return -EFAULT; |
Ian Armstrong | 4cbeb371 | 2008-05-12 11:53:10 -0300 | [diff] [blame] | 449 | } |
| 450 | |
| 451 | if (!err) |
| 452 | *ppos += count; |
| 453 | |
| 454 | return (err) ? err : count; |
| 455 | } |
| 456 | |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 457 | static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) |
| 458 | { |
| 459 | DEFINE_WAIT(wait); |
| 460 | struct ivtv *itv = (struct ivtv *)info->par; |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 461 | int rc = 0; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 462 | |
| 463 | switch (cmd) { |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 464 | case FBIOGET_VBLANK: { |
| 465 | struct fb_vblank vblank; |
| 466 | u32 trace; |
| 467 | |
Dan Rosenberg | 4057079 | 2010-09-15 18:44:22 -0300 | [diff] [blame] | 468 | memset(&vblank, 0, sizeof(struct fb_vblank)); |
| 469 | |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 470 | vblank.flags = FB_VBLANK_HAVE_COUNT |FB_VBLANK_HAVE_VCOUNT | |
| 471 | FB_VBLANK_HAVE_VSYNC; |
Andy Walls | 4e1af31 | 2010-03-13 20:37:25 -0300 | [diff] [blame] | 472 | trace = read_reg(IVTV_REG_DEC_LINE_FIELD) >> 16; |
Ian Armstrong | c5874c9 | 2011-05-29 21:33:17 -0300 | [diff] [blame] | 473 | if (itv->is_out_50hz && trace > 312) |
Ian Armstrong | c777549 | 2008-10-04 10:28:24 -0300 | [diff] [blame] | 474 | trace -= 312; |
Ian Armstrong | c5874c9 | 2011-05-29 21:33:17 -0300 | [diff] [blame] | 475 | else if (itv->is_out_60hz && trace > 262) |
Ian Armstrong | c777549 | 2008-10-04 10:28:24 -0300 | [diff] [blame] | 476 | trace -= 262; |
| 477 | if (trace == 1) |
| 478 | vblank.flags |= FB_VBLANK_VSYNCING; |
Hans Verkuil | a158f35 | 2007-08-23 11:31:57 -0300 | [diff] [blame] | 479 | vblank.count = itv->last_vsync_field; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 480 | vblank.vcount = trace; |
| 481 | vblank.hcount = 0; |
| 482 | if (copy_to_user((void __user *)arg, &vblank, sizeof(vblank))) |
| 483 | return -EFAULT; |
| 484 | return 0; |
| 485 | } |
| 486 | |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 487 | case FBIO_WAITFORVSYNC: |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 488 | prepare_to_wait(&itv->vsync_waitq, &wait, TASK_INTERRUPTIBLE); |
Ian Armstrong | c777549 | 2008-10-04 10:28:24 -0300 | [diff] [blame] | 489 | if (!schedule_timeout(msecs_to_jiffies(50))) |
| 490 | rc = -ETIMEDOUT; |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 491 | finish_wait(&itv->vsync_waitq, &wait); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 492 | return rc; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 493 | |
Hans Verkuil | d715e76 | 2007-07-20 10:30:32 -0300 | [diff] [blame] | 494 | case IVTVFB_IOC_DMA_FRAME: { |
| 495 | struct ivtvfb_dma_frame args; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 496 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 497 | IVTVFB_DEBUG_INFO("IVTVFB_IOC_DMA_FRAME\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 498 | if (copy_from_user(&args, (void __user *)arg, sizeof(args))) |
| 499 | return -EFAULT; |
| 500 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 501 | return ivtvfb_prep_frame(itv, cmd, args.source, args.dest_offset, args.count); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 502 | } |
| 503 | |
| 504 | default: |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 505 | IVTVFB_DEBUG_INFO("Unknown ioctl %08x\n", cmd); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 506 | return -EINVAL; |
| 507 | } |
| 508 | return 0; |
| 509 | } |
| 510 | |
| 511 | /* Framebuffer device handling */ |
| 512 | |
| 513 | static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var) |
| 514 | { |
Ian Armstrong | aaf9fa2 | 2007-07-21 16:43:36 -0300 | [diff] [blame] | 515 | struct osd_info *oi = itv->osd_info; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 516 | struct ivtv_osd_coords ivtv_osd; |
| 517 | struct v4l2_rect ivtv_window; |
Ian Armstrong | aaf9fa2 | 2007-07-21 16:43:36 -0300 | [diff] [blame] | 518 | int osd_mode = -1; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 519 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 520 | IVTVFB_DEBUG_INFO("ivtvfb_set_var\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 521 | |
| 522 | /* Select color space */ |
| 523 | if (var->nonstd) /* YUV */ |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 524 | write_reg(read_reg(0x02a00) | 0x0002000, 0x02a00); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 525 | else /* RGB */ |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 526 | write_reg(read_reg(0x02a00) & ~0x0002000, 0x02a00); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 527 | |
Ian Armstrong | aaf9fa2 | 2007-07-21 16:43:36 -0300 | [diff] [blame] | 528 | /* Set the color mode */ |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 529 | switch (var->bits_per_pixel) { |
| 530 | case 8: |
Ian Armstrong | aaf9fa2 | 2007-07-21 16:43:36 -0300 | [diff] [blame] | 531 | osd_mode = IVTV_OSD_BPP_8; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 532 | break; |
| 533 | case 32: |
Ian Armstrong | aaf9fa2 | 2007-07-21 16:43:36 -0300 | [diff] [blame] | 534 | osd_mode = IVTV_OSD_BPP_32; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 535 | break; |
| 536 | case 16: |
| 537 | switch (var->green.length) { |
| 538 | case 4: |
Ian Armstrong | aaf9fa2 | 2007-07-21 16:43:36 -0300 | [diff] [blame] | 539 | osd_mode = IVTV_OSD_BPP_16_444; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 540 | break; |
| 541 | case 5: |
Ian Armstrong | aaf9fa2 | 2007-07-21 16:43:36 -0300 | [diff] [blame] | 542 | osd_mode = IVTV_OSD_BPP_16_555; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 543 | break; |
| 544 | case 6: |
Ian Armstrong | aaf9fa2 | 2007-07-21 16:43:36 -0300 | [diff] [blame] | 545 | osd_mode = IVTV_OSD_BPP_16_565; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 546 | break; |
| 547 | default: |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 548 | IVTVFB_DEBUG_WARN("ivtvfb_set_var - Invalid bpp\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 549 | } |
| 550 | break; |
| 551 | default: |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 552 | IVTVFB_DEBUG_WARN("ivtvfb_set_var - Invalid bpp\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 553 | } |
| 554 | |
Ian Armstrong | 6659e3e | 2007-10-12 08:15:41 -0300 | [diff] [blame] | 555 | /* Set video mode. Although rare, the display can become scrambled even |
| 556 | if we don't change mode. Always 'bounce' to osd_mode via mode 0 */ |
| 557 | if (osd_mode != -1) { |
Ian Armstrong | aaf9fa2 | 2007-07-21 16:43:36 -0300 | [diff] [blame] | 558 | ivtv_vapi(itv, CX2341X_OSD_SET_PIXEL_FORMAT, 1, 0); |
| 559 | ivtv_vapi(itv, CX2341X_OSD_SET_PIXEL_FORMAT, 1, osd_mode); |
Ian Armstrong | aaf9fa2 | 2007-07-21 16:43:36 -0300 | [diff] [blame] | 560 | } |
| 561 | |
| 562 | oi->bits_per_pixel = var->bits_per_pixel; |
| 563 | oi->bytes_per_pixel = var->bits_per_pixel / 8; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 564 | |
| 565 | /* Set the flicker filter */ |
| 566 | switch (var->vmode & FB_VMODE_MASK) { |
| 567 | case FB_VMODE_NONINTERLACED: /* Filter on */ |
| 568 | ivtv_vapi(itv, CX2341X_OSD_SET_FLICKER_STATE, 1, 1); |
| 569 | break; |
| 570 | case FB_VMODE_INTERLACED: /* Filter off */ |
| 571 | ivtv_vapi(itv, CX2341X_OSD_SET_FLICKER_STATE, 1, 0); |
| 572 | break; |
| 573 | default: |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 574 | IVTVFB_DEBUG_WARN("ivtvfb_set_var - Invalid video mode\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 575 | } |
| 576 | |
| 577 | /* Read the current osd info */ |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 578 | ivtvfb_get_osd_coords(itv, &ivtv_osd); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 579 | |
| 580 | /* Now set the OSD to the size we want */ |
| 581 | ivtv_osd.pixel_stride = var->xres_virtual; |
| 582 | ivtv_osd.lines = var->yres_virtual; |
| 583 | ivtv_osd.x = 0; |
| 584 | ivtv_osd.y = 0; |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 585 | ivtvfb_set_osd_coords(itv, &ivtv_osd); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 586 | |
| 587 | /* Can't seem to find the right API combo for this. |
| 588 | Use another function which does what we need through direct register access. */ |
| 589 | ivtv_window.width = var->xres; |
| 590 | ivtv_window.height = var->yres; |
| 591 | |
| 592 | /* Minimum margin cannot be 0, as X won't allow such a mode */ |
Ian Armstrong | 215659d | 2010-06-12 13:41:57 -0300 | [diff] [blame] | 593 | if (!var->upper_margin) |
| 594 | var->upper_margin++; |
| 595 | if (!var->left_margin) |
| 596 | var->left_margin++; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 597 | ivtv_window.top = var->upper_margin - 1; |
| 598 | ivtv_window.left = var->left_margin - 1; |
| 599 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 600 | ivtvfb_set_display_window(itv, &ivtv_window); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 601 | |
Ian Armstrong | 77aded6 | 2007-11-05 14:27:09 -0300 | [diff] [blame] | 602 | /* Pass screen size back to yuv handler */ |
| 603 | itv->yuv_info.osd_full_w = ivtv_osd.pixel_stride; |
| 604 | itv->yuv_info.osd_full_h = ivtv_osd.lines; |
| 605 | |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 606 | /* Force update of yuv registers */ |
| 607 | itv->yuv_info.yuv_forced_update = 1; |
| 608 | |
Ian Armstrong | 215659d | 2010-06-12 13:41:57 -0300 | [diff] [blame] | 609 | /* Keep a copy of these settings */ |
| 610 | memcpy(&oi->fbvar_cur, var, sizeof(oi->fbvar_cur)); |
| 611 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 612 | IVTVFB_DEBUG_INFO("Display size: %dx%d (virtual %dx%d) @ %dbpp\n", |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 613 | var->xres, var->yres, |
| 614 | var->xres_virtual, var->yres_virtual, |
| 615 | var->bits_per_pixel); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 616 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 617 | IVTVFB_DEBUG_INFO("Display position: %d, %d\n", |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 618 | var->left_margin, var->upper_margin); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 619 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 620 | IVTVFB_DEBUG_INFO("Display filter: %s\n", |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 621 | (var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED ? "on" : "off"); |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 622 | IVTVFB_DEBUG_INFO("Color space: %s\n", var->nonstd ? "YUV" : "RGB"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 623 | |
| 624 | return 0; |
| 625 | } |
| 626 | |
| 627 | static int ivtvfb_get_fix(struct ivtv *itv, struct fb_fix_screeninfo *fix) |
| 628 | { |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 629 | struct osd_info *oi = itv->osd_info; |
| 630 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 631 | IVTVFB_DEBUG_INFO("ivtvfb_get_fix\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 632 | memset(fix, 0, sizeof(struct fb_fix_screeninfo)); |
Hans Verkuil | cebfadf | 2008-04-26 08:51:51 -0300 | [diff] [blame] | 633 | strlcpy(fix->id, "cx23415 TV out", sizeof(fix->id)); |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 634 | fix->smem_start = oi->video_pbase; |
| 635 | fix->smem_len = oi->video_buffer_size; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 636 | fix->type = FB_TYPE_PACKED_PIXELS; |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 637 | fix->visual = (oi->bits_per_pixel == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 638 | fix->xpanstep = 1; |
| 639 | fix->ypanstep = 1; |
| 640 | fix->ywrapstep = 0; |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 641 | fix->line_length = oi->display_byte_stride; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 642 | fix->accel = FB_ACCEL_NONE; |
| 643 | return 0; |
| 644 | } |
| 645 | |
| 646 | /* Check the requested display mode, returning -EINVAL if we can't |
| 647 | handle it. */ |
| 648 | |
| 649 | static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) |
| 650 | { |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 651 | struct osd_info *oi = itv->osd_info; |
Ian Armstrong | 68a341a | 2007-08-03 09:51:58 -0300 | [diff] [blame] | 652 | int osd_height_limit; |
| 653 | u32 pixclock, hlimit, vlimit; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 654 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 655 | IVTVFB_DEBUG_INFO("ivtvfb_check_var\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 656 | |
Ian Armstrong | 68a341a | 2007-08-03 09:51:58 -0300 | [diff] [blame] | 657 | /* Set base references for mode calcs. */ |
Ian Armstrong | c5874c9 | 2011-05-29 21:33:17 -0300 | [diff] [blame] | 658 | if (itv->is_out_50hz) { |
Ian Armstrong | 68a341a | 2007-08-03 09:51:58 -0300 | [diff] [blame] | 659 | pixclock = 84316; |
| 660 | hlimit = 776; |
| 661 | vlimit = 591; |
| 662 | osd_height_limit = 576; |
| 663 | } |
| 664 | else { |
| 665 | pixclock = 83926; |
| 666 | hlimit = 776; |
| 667 | vlimit = 495; |
| 668 | osd_height_limit = 480; |
| 669 | } |
| 670 | |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 671 | if (var->bits_per_pixel == 8 || var->bits_per_pixel == 32) { |
| 672 | var->transp.offset = 24; |
| 673 | var->transp.length = 8; |
| 674 | var->red.offset = 16; |
| 675 | var->red.length = 8; |
| 676 | var->green.offset = 8; |
| 677 | var->green.length = 8; |
| 678 | var->blue.offset = 0; |
| 679 | var->blue.length = 8; |
| 680 | } |
| 681 | else if (var->bits_per_pixel == 16) { |
| 682 | /* To find out the true mode, check green length */ |
| 683 | switch (var->green.length) { |
| 684 | case 4: |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 685 | var->red.offset = 8; |
| 686 | var->red.length = 4; |
| 687 | var->green.offset = 4; |
| 688 | var->green.length = 4; |
| 689 | var->blue.offset = 0; |
| 690 | var->blue.length = 4; |
Hans Verkuil | 459a52f | 2007-08-22 08:58:47 -0300 | [diff] [blame] | 691 | var->transp.offset = 12; |
| 692 | var->transp.length = 1; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 693 | break; |
| 694 | case 5: |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 695 | var->red.offset = 10; |
| 696 | var->red.length = 5; |
| 697 | var->green.offset = 5; |
| 698 | var->green.length = 5; |
| 699 | var->blue.offset = 0; |
| 700 | var->blue.length = 5; |
Hans Verkuil | 459a52f | 2007-08-22 08:58:47 -0300 | [diff] [blame] | 701 | var->transp.offset = 15; |
| 702 | var->transp.length = 1; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 703 | break; |
| 704 | default: |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 705 | var->red.offset = 11; |
| 706 | var->red.length = 5; |
| 707 | var->green.offset = 5; |
| 708 | var->green.length = 6; |
| 709 | var->blue.offset = 0; |
| 710 | var->blue.length = 5; |
Hans Verkuil | 459a52f | 2007-08-22 08:58:47 -0300 | [diff] [blame] | 711 | var->transp.offset = 0; |
| 712 | var->transp.length = 0; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 713 | break; |
| 714 | } |
| 715 | } |
| 716 | else { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 717 | IVTVFB_DEBUG_WARN("Invalid colour mode: %d\n", var->bits_per_pixel); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 718 | return -EINVAL; |
| 719 | } |
| 720 | |
| 721 | /* Check the resolution */ |
Ian Armstrong | 6b1ec9d | 2007-10-17 15:09:56 -0300 | [diff] [blame] | 722 | if (var->xres > IVTV_OSD_MAX_WIDTH || var->yres > osd_height_limit) { |
| 723 | IVTVFB_DEBUG_WARN("Invalid resolution: %dx%d\n", |
| 724 | var->xres, var->yres); |
| 725 | return -EINVAL; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 726 | } |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 727 | |
Ian Armstrong | 6b1ec9d | 2007-10-17 15:09:56 -0300 | [diff] [blame] | 728 | /* Max horizontal size is 1023 @ 32bpp, 2046 & 16bpp, 4092 @ 8bpp */ |
| 729 | if (var->xres_virtual > 4095 / (var->bits_per_pixel / 8) || |
| 730 | var->xres_virtual * var->yres_virtual * (var->bits_per_pixel / 8) > oi->video_buffer_size || |
| 731 | var->xres_virtual < var->xres || |
| 732 | var->yres_virtual < var->yres) { |
| 733 | IVTVFB_DEBUG_WARN("Invalid virtual resolution: %dx%d\n", |
| 734 | var->xres_virtual, var->yres_virtual); |
| 735 | return -EINVAL; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 736 | } |
| 737 | |
| 738 | /* Some extra checks if in 8 bit mode */ |
| 739 | if (var->bits_per_pixel == 8) { |
| 740 | /* Width must be a multiple of 4 */ |
| 741 | if (var->xres & 3) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 742 | IVTVFB_DEBUG_WARN("Invalid resolution for 8bpp: %d\n", var->xres); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 743 | return -EINVAL; |
| 744 | } |
| 745 | if (var->xres_virtual & 3) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 746 | IVTVFB_DEBUG_WARN("Invalid virtual resolution for 8bpp: %d)\n", var->xres_virtual); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 747 | return -EINVAL; |
| 748 | } |
| 749 | } |
| 750 | else if (var->bits_per_pixel == 16) { |
| 751 | /* Width must be a multiple of 2 */ |
| 752 | if (var->xres & 1) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 753 | IVTVFB_DEBUG_WARN("Invalid resolution for 16bpp: %d\n", var->xres); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 754 | return -EINVAL; |
| 755 | } |
| 756 | if (var->xres_virtual & 1) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 757 | IVTVFB_DEBUG_WARN("Invalid virtual resolution for 16bpp: %d)\n", var->xres_virtual); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 758 | return -EINVAL; |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | /* Now check the offsets */ |
| 763 | if (var->xoffset >= var->xres_virtual || var->yoffset >= var->yres_virtual) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 764 | IVTVFB_DEBUG_WARN("Invalid offset: %d (%d) %d (%d)\n", |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 765 | var->xoffset, var->xres_virtual, var->yoffset, var->yres_virtual); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 766 | return -EINVAL; |
| 767 | } |
| 768 | |
| 769 | /* Check pixel format */ |
| 770 | if (var->nonstd > 1) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 771 | IVTVFB_DEBUG_WARN("Invalid nonstd % d\n", var->nonstd); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 772 | return -EINVAL; |
| 773 | } |
| 774 | |
| 775 | /* Check video mode */ |
| 776 | if (((var->vmode & FB_VMODE_MASK) != FB_VMODE_NONINTERLACED) && |
| 777 | ((var->vmode & FB_VMODE_MASK) != FB_VMODE_INTERLACED)) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 778 | IVTVFB_DEBUG_WARN("Invalid video mode: %d\n", var->vmode & FB_VMODE_MASK); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 779 | return -EINVAL; |
| 780 | } |
| 781 | |
| 782 | /* Check the left & upper margins |
| 783 | If the margins are too large, just center the screen |
| 784 | (enforcing margins causes too many problems) */ |
| 785 | |
Ian Armstrong | c5874c9 | 2011-05-29 21:33:17 -0300 | [diff] [blame] | 786 | if (var->left_margin + var->xres > IVTV_OSD_MAX_WIDTH + 1) |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 787 | var->left_margin = 1 + ((IVTV_OSD_MAX_WIDTH - var->xres) / 2); |
Ian Armstrong | c5874c9 | 2011-05-29 21:33:17 -0300 | [diff] [blame] | 788 | |
| 789 | if (var->upper_margin + var->yres > (itv->is_out_50hz ? 577 : 481)) |
| 790 | var->upper_margin = 1 + (((itv->is_out_50hz ? 576 : 480) - |
| 791 | var->yres) / 2); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 792 | |
| 793 | /* Maintain overall 'size' for a constant refresh rate */ |
Ian Armstrong | 68a341a | 2007-08-03 09:51:58 -0300 | [diff] [blame] | 794 | var->right_margin = hlimit - var->left_margin - var->xres; |
| 795 | var->lower_margin = vlimit - var->upper_margin - var->yres; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 796 | |
| 797 | /* Fixed sync times */ |
| 798 | var->hsync_len = 24; |
| 799 | var->vsync_len = 2; |
| 800 | |
| 801 | /* Non-interlaced / interlaced mode is used to switch the OSD filter |
| 802 | on or off. Adjust the clock timings to maintain a constant |
| 803 | vertical refresh rate. */ |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 804 | if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) |
Ian Armstrong | 68a341a | 2007-08-03 09:51:58 -0300 | [diff] [blame] | 805 | var->pixclock = pixclock / 2; |
| 806 | else |
| 807 | var->pixclock = pixclock; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 808 | |
Hans Verkuil | 37f89f9 | 2008-06-22 11:57:31 -0300 | [diff] [blame] | 809 | itv->osd_rect.width = var->xres; |
| 810 | itv->osd_rect.height = var->yres; |
| 811 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 812 | IVTVFB_DEBUG_INFO("Display size: %dx%d (virtual %dx%d) @ %dbpp\n", |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 813 | var->xres, var->yres, |
| 814 | var->xres_virtual, var->yres_virtual, |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 815 | var->bits_per_pixel); |
| 816 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 817 | IVTVFB_DEBUG_INFO("Display position: %d, %d\n", |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 818 | var->left_margin, var->upper_margin); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 819 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 820 | IVTVFB_DEBUG_INFO("Display filter: %s\n", |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 821 | (var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED ? "on" : "off"); |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 822 | IVTVFB_DEBUG_INFO("Color space: %s\n", var->nonstd ? "YUV" : "RGB"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 823 | return 0; |
| 824 | } |
| 825 | |
| 826 | static int ivtvfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) |
| 827 | { |
| 828 | struct ivtv *itv = (struct ivtv *) info->par; |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 829 | IVTVFB_DEBUG_INFO("ivtvfb_check_var\n"); |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 830 | return _ivtvfb_check_var(var, itv); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 831 | } |
| 832 | |
| 833 | static int ivtvfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) |
| 834 | { |
| 835 | u32 osd_pan_index; |
| 836 | struct ivtv *itv = (struct ivtv *) info->par; |
| 837 | |
Ian Armstrong | 6600cc3 | 2011-05-28 22:15:41 -0300 | [diff] [blame] | 838 | if (var->yoffset + info->var.yres > info->var.yres_virtual || |
| 839 | var->xoffset + info->var.xres > info->var.xres_virtual) |
| 840 | return -EINVAL; |
| 841 | |
Laurent Pinchart | 5d9c08d | 2011-05-25 06:41:23 -0300 | [diff] [blame] | 842 | osd_pan_index = var->yoffset * info->fix.line_length |
| 843 | + var->xoffset * info->var.bits_per_pixel / 8; |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 844 | write_reg(osd_pan_index, 0x02A0C); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 845 | |
| 846 | /* Pass this info back the yuv handler */ |
| 847 | itv->yuv_info.osd_x_pan = var->xoffset; |
| 848 | itv->yuv_info.osd_y_pan = var->yoffset; |
| 849 | /* Force update of yuv registers */ |
| 850 | itv->yuv_info.yuv_forced_update = 1; |
Ian Armstrong | 215659d | 2010-06-12 13:41:57 -0300 | [diff] [blame] | 851 | /* Remember this value */ |
| 852 | itv->osd_info->pan_cur = osd_pan_index; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 853 | return 0; |
| 854 | } |
| 855 | |
| 856 | static int ivtvfb_set_par(struct fb_info *info) |
| 857 | { |
| 858 | int rc = 0; |
| 859 | struct ivtv *itv = (struct ivtv *) info->par; |
| 860 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 861 | IVTVFB_DEBUG_INFO("ivtvfb_set_par\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 862 | |
| 863 | rc = ivtvfb_set_var(itv, &info->var); |
| 864 | ivtvfb_pan_display(&info->var, info); |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 865 | ivtvfb_get_fix(itv, &info->fix); |
Ian Armstrong | 215659d | 2010-06-12 13:41:57 -0300 | [diff] [blame] | 866 | ivtv_firmware_check(itv, "ivtvfb_set_par"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 867 | return rc; |
| 868 | } |
| 869 | |
| 870 | static int ivtvfb_setcolreg(unsigned regno, unsigned red, unsigned green, |
| 871 | unsigned blue, unsigned transp, |
| 872 | struct fb_info *info) |
| 873 | { |
| 874 | u32 color, *palette; |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 875 | struct ivtv *itv = (struct ivtv *)info->par; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 876 | |
| 877 | if (regno >= info->cmap.len) |
| 878 | return -EINVAL; |
| 879 | |
| 880 | color = ((transp & 0xFF00) << 16) |((red & 0xFF00) << 8) | (green & 0xFF00) | ((blue & 0xFF00) >> 8); |
| 881 | if (info->var.bits_per_pixel <= 8) { |
| 882 | write_reg(regno, 0x02a30); |
| 883 | write_reg(color, 0x02a34); |
Ian Armstrong | 215659d | 2010-06-12 13:41:57 -0300 | [diff] [blame] | 884 | itv->osd_info->palette_cur[regno] = color; |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 885 | return 0; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 886 | } |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 887 | if (regno >= 16) |
| 888 | return -EINVAL; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 889 | |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 890 | palette = info->pseudo_palette; |
| 891 | if (info->var.bits_per_pixel == 16) { |
| 892 | switch (info->var.green.length) { |
| 893 | case 4: |
| 894 | color = ((red & 0xf000) >> 4) | |
| 895 | ((green & 0xf000) >> 8) | |
| 896 | ((blue & 0xf000) >> 12); |
| 897 | break; |
| 898 | case 5: |
| 899 | color = ((red & 0xf800) >> 1) | |
| 900 | ((green & 0xf800) >> 6) | |
| 901 | ((blue & 0xf800) >> 11); |
| 902 | break; |
| 903 | case 6: |
| 904 | color = (red & 0xf800 ) | |
| 905 | ((green & 0xfc00) >> 5) | |
| 906 | ((blue & 0xf800) >> 11); |
| 907 | break; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 908 | } |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 909 | } |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 910 | palette[regno] = color; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 911 | return 0; |
| 912 | } |
| 913 | |
| 914 | /* We don't really support blanking. All this does is enable or |
| 915 | disable the OSD. */ |
| 916 | static int ivtvfb_blank(int blank_mode, struct fb_info *info) |
| 917 | { |
| 918 | struct ivtv *itv = (struct ivtv *)info->par; |
| 919 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 920 | IVTVFB_DEBUG_INFO("Set blanking mode : %d\n", blank_mode); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 921 | switch (blank_mode) { |
| 922 | case FB_BLANK_UNBLANK: |
| 923 | ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 1); |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 924 | ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 925 | break; |
| 926 | case FB_BLANK_NORMAL: |
| 927 | case FB_BLANK_HSYNC_SUSPEND: |
| 928 | case FB_BLANK_VSYNC_SUSPEND: |
Ian Armstrong | 4e7ca40 | 2008-10-19 18:58:26 -0300 | [diff] [blame] | 929 | ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 0); |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 930 | ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1); |
Ian Armstrong | 4e7ca40 | 2008-10-19 18:58:26 -0300 | [diff] [blame] | 931 | break; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 932 | case FB_BLANK_POWERDOWN: |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 933 | ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 934 | ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 0); |
| 935 | break; |
| 936 | } |
Ian Armstrong | 215659d | 2010-06-12 13:41:57 -0300 | [diff] [blame] | 937 | itv->osd_info->blank_cur = blank_mode; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 938 | return 0; |
| 939 | } |
| 940 | |
| 941 | static struct fb_ops ivtvfb_ops = { |
| 942 | .owner = THIS_MODULE, |
Ian Armstrong | 4cbeb371 | 2008-05-12 11:53:10 -0300 | [diff] [blame] | 943 | .fb_write = ivtvfb_write, |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 944 | .fb_check_var = ivtvfb_check_var, |
| 945 | .fb_set_par = ivtvfb_set_par, |
| 946 | .fb_setcolreg = ivtvfb_setcolreg, |
| 947 | .fb_fillrect = cfb_fillrect, |
| 948 | .fb_copyarea = cfb_copyarea, |
| 949 | .fb_imageblit = cfb_imageblit, |
| 950 | .fb_cursor = NULL, |
| 951 | .fb_ioctl = ivtvfb_ioctl, |
| 952 | .fb_pan_display = ivtvfb_pan_display, |
| 953 | .fb_blank = ivtvfb_blank, |
| 954 | }; |
| 955 | |
Ian Armstrong | 215659d | 2010-06-12 13:41:57 -0300 | [diff] [blame] | 956 | /* Restore hardware after firmware restart */ |
| 957 | static void ivtvfb_restore(struct ivtv *itv) |
| 958 | { |
| 959 | struct osd_info *oi = itv->osd_info; |
| 960 | int i; |
| 961 | |
| 962 | ivtvfb_set_var(itv, &oi->fbvar_cur); |
| 963 | ivtvfb_blank(oi->blank_cur, &oi->ivtvfb_info); |
| 964 | for (i = 0; i < 256; i++) { |
| 965 | write_reg(i, 0x02a30); |
| 966 | write_reg(oi->palette_cur[i], 0x02a34); |
| 967 | } |
| 968 | write_reg(oi->pan_cur, 0x02a0c); |
| 969 | } |
| 970 | |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 971 | /* Initialization */ |
| 972 | |
| 973 | |
| 974 | /* Setup our initial video mode */ |
| 975 | static int ivtvfb_init_vidmode(struct ivtv *itv) |
| 976 | { |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 977 | struct osd_info *oi = itv->osd_info; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 978 | struct v4l2_rect start_window; |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 979 | int max_height; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 980 | |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 981 | /* Color mode */ |
| 982 | |
Ian Armstrong | 6b1ec9d | 2007-10-17 15:09:56 -0300 | [diff] [blame] | 983 | if (osd_depth != 8 && osd_depth != 16 && osd_depth != 32) |
| 984 | osd_depth = 8; |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 985 | oi->bits_per_pixel = osd_depth; |
| 986 | oi->bytes_per_pixel = oi->bits_per_pixel / 8; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 987 | |
| 988 | /* Horizontal size & position */ |
| 989 | |
Ian Armstrong | 6b1ec9d | 2007-10-17 15:09:56 -0300 | [diff] [blame] | 990 | if (osd_xres > 720) |
| 991 | osd_xres = 720; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 992 | |
| 993 | /* Must be a multiple of 4 for 8bpp & 2 for 16bpp */ |
| 994 | if (osd_depth == 8) |
| 995 | osd_xres &= ~3; |
| 996 | else if (osd_depth == 16) |
| 997 | osd_xres &= ~1; |
| 998 | |
Ian Armstrong | 6b1ec9d | 2007-10-17 15:09:56 -0300 | [diff] [blame] | 999 | start_window.width = osd_xres ? osd_xres : 640; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1000 | |
| 1001 | /* Check horizontal start (osd_left). */ |
| 1002 | if (osd_left && osd_left + start_window.width > 721) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 1003 | IVTVFB_ERR("Invalid osd_left - assuming default\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1004 | osd_left = 0; |
| 1005 | } |
| 1006 | |
| 1007 | /* Hardware coords start at 0, user coords start at 1. */ |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1008 | osd_left--; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1009 | |
Ian Armstrong | c5874c9 | 2011-05-29 21:33:17 -0300 | [diff] [blame] | 1010 | start_window.left = osd_left >= 0 ? |
| 1011 | osd_left : ((IVTV_OSD_MAX_WIDTH - start_window.width) / 2); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1012 | |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1013 | oi->display_byte_stride = |
| 1014 | start_window.width * oi->bytes_per_pixel; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1015 | |
| 1016 | /* Vertical size & position */ |
| 1017 | |
Ian Armstrong | c5874c9 | 2011-05-29 21:33:17 -0300 | [diff] [blame] | 1018 | max_height = itv->is_out_50hz ? 576 : 480; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1019 | |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1020 | if (osd_yres > max_height) |
| 1021 | osd_yres = max_height; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1022 | |
Ian Armstrong | c5874c9 | 2011-05-29 21:33:17 -0300 | [diff] [blame] | 1023 | start_window.height = osd_yres ? |
| 1024 | osd_yres : itv->is_out_50hz ? 480 : 400; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1025 | |
| 1026 | /* Check vertical start (osd_upper). */ |
| 1027 | if (osd_upper + start_window.height > max_height + 1) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 1028 | IVTVFB_ERR("Invalid osd_upper - assuming default\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1029 | osd_upper = 0; |
| 1030 | } |
| 1031 | |
| 1032 | /* Hardware coords start at 0, user coords start at 1. */ |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1033 | osd_upper--; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1034 | |
| 1035 | start_window.top = osd_upper >= 0 ? osd_upper : ((max_height - start_window.height) / 2); |
| 1036 | |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1037 | oi->display_width = start_window.width; |
| 1038 | oi->display_height = start_window.height; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1039 | |
| 1040 | /* Generate a valid fb_var_screeninfo */ |
| 1041 | |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1042 | oi->ivtvfb_defined.xres = oi->display_width; |
| 1043 | oi->ivtvfb_defined.yres = oi->display_height; |
| 1044 | oi->ivtvfb_defined.xres_virtual = oi->display_width; |
| 1045 | oi->ivtvfb_defined.yres_virtual = oi->display_height; |
| 1046 | oi->ivtvfb_defined.bits_per_pixel = oi->bits_per_pixel; |
| 1047 | oi->ivtvfb_defined.vmode = (osd_laced ? FB_VMODE_INTERLACED : FB_VMODE_NONINTERLACED); |
| 1048 | oi->ivtvfb_defined.left_margin = start_window.left + 1; |
| 1049 | oi->ivtvfb_defined.upper_margin = start_window.top + 1; |
| 1050 | oi->ivtvfb_defined.accel_flags = FB_ACCEL_NONE; |
| 1051 | oi->ivtvfb_defined.nonstd = 0; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1052 | |
| 1053 | /* We've filled in the most data, let the usual mode check |
| 1054 | routine fill in the rest. */ |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1055 | _ivtvfb_check_var(&oi->ivtvfb_defined, itv); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1056 | |
| 1057 | /* Generate valid fb_fix_screeninfo */ |
| 1058 | |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1059 | ivtvfb_get_fix(itv, &oi->ivtvfb_fix); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1060 | |
| 1061 | /* Generate valid fb_info */ |
| 1062 | |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1063 | oi->ivtvfb_info.node = -1; |
| 1064 | oi->ivtvfb_info.flags = FBINFO_FLAG_DEFAULT; |
| 1065 | oi->ivtvfb_info.fbops = &ivtvfb_ops; |
| 1066 | oi->ivtvfb_info.par = itv; |
| 1067 | oi->ivtvfb_info.var = oi->ivtvfb_defined; |
| 1068 | oi->ivtvfb_info.fix = oi->ivtvfb_fix; |
| 1069 | oi->ivtvfb_info.screen_base = (u8 __iomem *)oi->video_vbase; |
| 1070 | oi->ivtvfb_info.fbops = &ivtvfb_ops; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1071 | |
| 1072 | /* Supply some monitor specs. Bogus values will do for now */ |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1073 | oi->ivtvfb_info.monspecs.hfmin = 8000; |
| 1074 | oi->ivtvfb_info.monspecs.hfmax = 70000; |
| 1075 | oi->ivtvfb_info.monspecs.vfmin = 10; |
| 1076 | oi->ivtvfb_info.monspecs.vfmax = 100; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1077 | |
| 1078 | /* Allocate color map */ |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1079 | if (fb_alloc_cmap(&oi->ivtvfb_info.cmap, 256, 1)) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 1080 | IVTVFB_ERR("abort, unable to alloc cmap\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1081 | return -ENOMEM; |
| 1082 | } |
| 1083 | |
| 1084 | /* Allocate the pseudo palette */ |
Hans Verkuil | 3f98387 | 2008-05-01 10:31:12 -0300 | [diff] [blame] | 1085 | oi->ivtvfb_info.pseudo_palette = |
| 1086 | kmalloc(sizeof(u32) * 16, GFP_KERNEL|__GFP_NOWARN); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1087 | |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1088 | if (!oi->ivtvfb_info.pseudo_palette) { |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1089 | IVTVFB_ERR("abort, unable to alloc pseudo palette\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1090 | return -ENOMEM; |
| 1091 | } |
| 1092 | |
| 1093 | return 0; |
| 1094 | } |
| 1095 | |
| 1096 | /* Find OSD buffer base & size. Add to mtrr. Zero osd buffer. */ |
| 1097 | |
| 1098 | static int ivtvfb_init_io(struct ivtv *itv) |
| 1099 | { |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1100 | struct osd_info *oi = itv->osd_info; |
Luis R. Rodriguez | 1bf1735 | 2015-06-15 10:28:16 +0200 | [diff] [blame] | 1101 | /* Find the largest power of two that maps the whole buffer */ |
| 1102 | int size_shift = 31; |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1103 | |
Hans Verkuil | 26e9d59 | 2007-08-25 05:41:52 -0300 | [diff] [blame] | 1104 | mutex_lock(&itv->serialize_lock); |
Hans Verkuil | 6e5eb59 | 2007-07-25 12:55:52 -0300 | [diff] [blame] | 1105 | if (ivtv_init_on_first_open(itv)) { |
Hans Verkuil | 26e9d59 | 2007-08-25 05:41:52 -0300 | [diff] [blame] | 1106 | mutex_unlock(&itv->serialize_lock); |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 1107 | IVTVFB_ERR("Failed to initialize ivtv\n"); |
Hans Verkuil | 6e5eb59 | 2007-07-25 12:55:52 -0300 | [diff] [blame] | 1108 | return -ENXIO; |
| 1109 | } |
Hans Verkuil | 26e9d59 | 2007-08-25 05:41:52 -0300 | [diff] [blame] | 1110 | mutex_unlock(&itv->serialize_lock); |
Hans Verkuil | 6e5eb59 | 2007-07-25 12:55:52 -0300 | [diff] [blame] | 1111 | |
Ian Armstrong | 5f39b9f | 2010-05-23 22:10:30 -0300 | [diff] [blame] | 1112 | if (ivtvfb_get_framebuffer(itv, &oi->video_rbase, |
| 1113 | &oi->video_buffer_size) < 0) { |
| 1114 | IVTVFB_ERR("Firmware failed to respond\n"); |
| 1115 | return -EIO; |
| 1116 | } |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1117 | |
| 1118 | /* The osd buffer size depends on the number of video buffers allocated |
| 1119 | on the PVR350 itself. For now we'll hardcode the smallest osd buffer |
| 1120 | size to prevent any overlap. */ |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1121 | oi->video_buffer_size = 1704960; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1122 | |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1123 | oi->video_pbase = itv->base_addr + IVTV_DECODER_OFFSET + oi->video_rbase; |
| 1124 | oi->video_vbase = itv->dec_mem + oi->video_rbase; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1125 | |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1126 | if (!oi->video_vbase) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 1127 | IVTVFB_ERR("abort, video memory 0x%x @ 0x%lx isn't mapped!\n", |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1128 | oi->video_buffer_size, oi->video_pbase); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1129 | return -EIO; |
| 1130 | } |
| 1131 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 1132 | IVTVFB_INFO("Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n", |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1133 | oi->video_pbase, oi->video_vbase, |
| 1134 | oi->video_buffer_size / 1024); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1135 | |
Luis R. Rodriguez | 1bf1735 | 2015-06-15 10:28:16 +0200 | [diff] [blame] | 1136 | while (!(oi->video_buffer_size & (1 << size_shift))) |
| 1137 | size_shift--; |
| 1138 | size_shift++; |
| 1139 | oi->fb_start_aligned_physaddr = oi->video_pbase & ~((1 << size_shift) - 1); |
| 1140 | oi->fb_end_aligned_physaddr = oi->video_pbase + oi->video_buffer_size; |
| 1141 | oi->fb_end_aligned_physaddr += (1 << size_shift) - 1; |
| 1142 | oi->fb_end_aligned_physaddr &= ~((1 << size_shift) - 1); |
| 1143 | oi->wc_cookie = arch_phys_wc_add(oi->fb_start_aligned_physaddr, |
| 1144 | oi->fb_end_aligned_physaddr - |
| 1145 | oi->fb_start_aligned_physaddr); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1146 | /* Blank the entire osd. */ |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1147 | memset_io(oi->video_vbase, 0, oi->video_buffer_size); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1148 | |
| 1149 | return 0; |
| 1150 | } |
| 1151 | |
| 1152 | /* Release any memory we've grabbed & remove mtrr entry */ |
| 1153 | static void ivtvfb_release_buffers (struct ivtv *itv) |
| 1154 | { |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1155 | struct osd_info *oi = itv->osd_info; |
| 1156 | |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1157 | /* Release cmap */ |
Adrian Bunk | 1362803 | 2007-08-28 03:28:04 -0300 | [diff] [blame] | 1158 | if (oi->ivtvfb_info.cmap.len) |
| 1159 | fb_dealloc_cmap(&oi->ivtvfb_info.cmap); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1160 | |
| 1161 | /* Release pseudo palette */ |
Syam Sidhardhan | 18552ea | 2013-02-26 15:28:15 -0300 | [diff] [blame] | 1162 | kfree(oi->ivtvfb_info.pseudo_palette); |
Luis R. Rodriguez | 1bf1735 | 2015-06-15 10:28:16 +0200 | [diff] [blame] | 1163 | arch_phys_wc_del(oi->wc_cookie); |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1164 | kfree(oi); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1165 | itv->osd_info = NULL; |
| 1166 | } |
| 1167 | |
| 1168 | /* Initialize the specified card */ |
| 1169 | |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1170 | static int ivtvfb_init_card(struct ivtv *itv) |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1171 | { |
| 1172 | int rc; |
| 1173 | |
| 1174 | if (itv->osd_info) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 1175 | IVTVFB_ERR("Card %d already initialised\n", ivtvfb_card_id); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1176 | return -EBUSY; |
| 1177 | } |
| 1178 | |
Hans Verkuil | 3f98387 | 2008-05-01 10:31:12 -0300 | [diff] [blame] | 1179 | itv->osd_info = kzalloc(sizeof(struct osd_info), |
| 1180 | GFP_ATOMIC|__GFP_NOWARN); |
Richard Knutsson | 14d5deb | 2007-12-08 10:35:06 -0300 | [diff] [blame] | 1181 | if (itv->osd_info == NULL) { |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 1182 | IVTVFB_ERR("Failed to allocate memory for osd_info\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1183 | return -ENOMEM; |
| 1184 | } |
| 1185 | |
| 1186 | /* Find & setup the OSD buffer */ |
Ian Armstrong | 5f39b9f | 2010-05-23 22:10:30 -0300 | [diff] [blame] | 1187 | rc = ivtvfb_init_io(itv); |
| 1188 | if (rc) { |
| 1189 | ivtvfb_release_buffers(itv); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1190 | return rc; |
Ian Armstrong | 5f39b9f | 2010-05-23 22:10:30 -0300 | [diff] [blame] | 1191 | } |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1192 | |
| 1193 | /* Set the startup video mode information */ |
Hans Verkuil | be383bd | 2007-07-20 10:16:03 -0300 | [diff] [blame] | 1194 | if ((rc = ivtvfb_init_vidmode(itv))) { |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1195 | ivtvfb_release_buffers(itv); |
| 1196 | return rc; |
| 1197 | } |
| 1198 | |
| 1199 | /* Register the framebuffer */ |
| 1200 | if (register_framebuffer(&itv->osd_info->ivtvfb_info) < 0) { |
| 1201 | ivtvfb_release_buffers(itv); |
| 1202 | return -EINVAL; |
| 1203 | } |
| 1204 | |
| 1205 | itv->osd_video_pbase = itv->osd_info->video_pbase; |
| 1206 | |
| 1207 | /* Set the card to the requested mode */ |
| 1208 | ivtvfb_set_par(&itv->osd_info->ivtvfb_info); |
| 1209 | |
| 1210 | /* Set color 0 to black */ |
| 1211 | write_reg(0, 0x02a30); |
| 1212 | write_reg(0, 0x02a34); |
| 1213 | |
| 1214 | /* Enable the osd */ |
| 1215 | ivtvfb_blank(FB_BLANK_UNBLANK, &itv->osd_info->ivtvfb_info); |
| 1216 | |
Ian Armstrong | 215659d | 2010-06-12 13:41:57 -0300 | [diff] [blame] | 1217 | /* Enable restart */ |
| 1218 | itv->ivtvfb_restore = ivtvfb_restore; |
| 1219 | |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1220 | /* Allocate DMA */ |
| 1221 | ivtv_udma_alloc(itv); |
| 1222 | return 0; |
| 1223 | |
| 1224 | } |
| 1225 | |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 1226 | static int __init ivtvfb_callback_init(struct device *dev, void *p) |
| 1227 | { |
| 1228 | struct v4l2_device *v4l2_dev = dev_get_drvdata(dev); |
Hans Verkuil | 8ac05ae | 2009-02-07 07:02:27 -0300 | [diff] [blame] | 1229 | struct ivtv *itv = container_of(v4l2_dev, struct ivtv, v4l2_dev); |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 1230 | |
Jiri Slaby | 37b58bf | 2010-07-19 14:39:34 -0300 | [diff] [blame] | 1231 | if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) { |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 1232 | if (ivtvfb_init_card(itv) == 0) { |
| 1233 | IVTVFB_INFO("Framebuffer registered on %s\n", |
Hans Verkuil | 8ac05ae | 2009-02-07 07:02:27 -0300 | [diff] [blame] | 1234 | itv->v4l2_dev.name); |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 1235 | (*(int *)p)++; |
| 1236 | } |
| 1237 | } |
| 1238 | return 0; |
| 1239 | } |
| 1240 | |
| 1241 | static int ivtvfb_callback_cleanup(struct device *dev, void *p) |
| 1242 | { |
| 1243 | struct v4l2_device *v4l2_dev = dev_get_drvdata(dev); |
Hans Verkuil | 8ac05ae | 2009-02-07 07:02:27 -0300 | [diff] [blame] | 1244 | struct ivtv *itv = container_of(v4l2_dev, struct ivtv, v4l2_dev); |
Ian Armstrong | 5f39b9f | 2010-05-23 22:10:30 -0300 | [diff] [blame] | 1245 | struct osd_info *oi = itv->osd_info; |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 1246 | |
Jiri Slaby | 37b58bf | 2010-07-19 14:39:34 -0300 | [diff] [blame] | 1247 | if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) { |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 1248 | if (unregister_framebuffer(&itv->osd_info->ivtvfb_info)) { |
| 1249 | IVTVFB_WARN("Framebuffer %d is in use, cannot unload\n", |
| 1250 | itv->instance); |
| 1251 | return 0; |
| 1252 | } |
| 1253 | IVTVFB_INFO("Unregister framebuffer %d\n", itv->instance); |
Ian Armstrong | 215659d | 2010-06-12 13:41:57 -0300 | [diff] [blame] | 1254 | itv->ivtvfb_restore = NULL; |
Ian Armstrong | 5f39b9f | 2010-05-23 22:10:30 -0300 | [diff] [blame] | 1255 | ivtvfb_blank(FB_BLANK_VSYNC_SUSPEND, &oi->ivtvfb_info); |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 1256 | ivtvfb_release_buffers(itv); |
| 1257 | itv->osd_video_pbase = 0; |
| 1258 | } |
| 1259 | return 0; |
| 1260 | } |
| 1261 | |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1262 | static int __init ivtvfb_init(void) |
| 1263 | { |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 1264 | struct device_driver *drv; |
| 1265 | int registered = 0; |
| 1266 | int err; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1267 | |
Luis R. Rodriguez | 1bf1735 | 2015-06-15 10:28:16 +0200 | [diff] [blame] | 1268 | #ifdef CONFIG_X86_64 |
| 1269 | if (WARN(pat_enabled(), |
| 1270 | "ivtvfb needs PAT disabled, boot with nopat kernel parameter\n")) { |
| 1271 | return -ENODEV; |
| 1272 | } |
| 1273 | #endif |
| 1274 | |
Hans Verkuil | 641ed49 | 2007-08-28 03:24:31 -0300 | [diff] [blame] | 1275 | if (ivtvfb_card_id < -1 || ivtvfb_card_id >= IVTV_MAX_CARDS) { |
| 1276 | printk(KERN_ERR "ivtvfb: ivtvfb_card_id parameter is out of range (valid range: -1 - %d)\n", |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1277 | IVTV_MAX_CARDS - 1); |
| 1278 | return -EINVAL; |
| 1279 | } |
| 1280 | |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 1281 | drv = driver_find("ivtv", &pci_bus_type); |
| 1282 | err = driver_for_each_device(drv, NULL, ®istered, ivtvfb_callback_init); |
Hans Verkuil | 932205a | 2012-04-23 08:25:20 -0300 | [diff] [blame] | 1283 | (void)err; /* suppress compiler warning */ |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1284 | if (!registered) { |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 1285 | printk(KERN_ERR "ivtvfb: no cards found\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1286 | return -ENODEV; |
| 1287 | } |
| 1288 | return 0; |
| 1289 | } |
| 1290 | |
| 1291 | static void ivtvfb_cleanup(void) |
| 1292 | { |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 1293 | struct device_driver *drv; |
| 1294 | int err; |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1295 | |
Hans Verkuil | 7b3a0d4 | 2007-08-26 06:11:07 -0300 | [diff] [blame] | 1296 | printk(KERN_INFO "ivtvfb: Unloading framebuffer module\n"); |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1297 | |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 1298 | drv = driver_find("ivtv", &pci_bus_type); |
| 1299 | err = driver_for_each_device(drv, NULL, NULL, ivtvfb_callback_cleanup); |
Hans Verkuil | 932205a | 2012-04-23 08:25:20 -0300 | [diff] [blame] | 1300 | (void)err; /* suppress compiler warning */ |
Hans Verkuil | 32db775 | 2007-07-20 09:29:43 -0300 | [diff] [blame] | 1301 | } |
| 1302 | |
| 1303 | module_init(ivtvfb_init); |
| 1304 | module_exit(ivtvfb_cleanup); |